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Diffstat (limited to 'contrib/gcc/ChangeLog.7')
| -rw-r--r-- | contrib/gcc/ChangeLog.7 | 21543 |
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diff --git a/contrib/gcc/ChangeLog.7 b/contrib/gcc/ChangeLog.7 new file mode 100644 index 0000000..dc7282b --- /dev/null +++ b/contrib/gcc/ChangeLog.7 @@ -0,0 +1,21543 @@ +2002-06-30 Devang Patel <dpatel@apple.com> + + * objc/objc-act.c (finish_file): Avoid finish_objc() if + -fsyntax-only. + +Fri Jun 28 17:22:37 2002 Denis Chertykov <denisc@overta.ru> + Frank Ch. Eigler <fche@redhat.com> + Matthew Green <mrg@redhat.com> + Richard Henderson <rtl@redhat.com> + Dave Hudson <dave.hudson@ubicom.com> + Jeff Johnston <jjohnstn@redhat.com> + Alan Lehotsky <apl@alum.mit.edu> + Bernd Schmidt <bernds@redhat.com> + Graham Stott <grahams@redhat.com> + + * doc/extend.texi: Add ip2k port to description of attribute + naked. + * doc/install.texi (Specific): Add ip2k description. + * doc/install-old.texi (Configurations): Add ip2k to possible + cpu types. + * doc/md.texi: Document ip2k constraints. + * config/ip2k/crt0.S: New file. + * config/ip2k/ip2k-protos.h: New file. + * config/ip2k/ip2k.c: New file. + * config/ip2k/ip2k.h: New file. + * config/ip2k/ip2k.md: New file. + * config/ip2k/libgcc.S: New file. + * config/ip2k/t-ip2k: New file. + +2002-06-30 Hans-Peter Nilsson <hp@bitrange.com> + + * config/mmix/mmix.md ("return"): New pattern. + * config/mmix/mmix.h (TARGET_MASK_USE_RETURN_INSN) + (TARGET_USE_RETURN_INSN): New macros. + (TARGET_DEFAULT): Include TARGET_MASK_USE_RETURN_INSN. + (TARGET_SWITCHES): Add -msingle-exit and -mno-single-exit. + * config/mmix/mmix.c (MMIX_OUTPUT_REGNO): Fix spacing. + (MMIX_POP_ARGUMENT): New macro. + (mmix_target_asm_function_prologue): When no epilogue is executed, + just emit a blank line. Use MMIX_POP_ARGUMENT with final POP insn. + (mmix_print_operand) <case '.'>: New case. + (mmix_print_operand_punct_valid_p): Match '.'. + (mmix_use_simple_return): New function. + * config/mmix/mmix-protos.h (mmix_use_simple_return): Prototype. + * doc/invoke.texi (Option Summary) <MMIX Summary>: Add + -msingle-exit, -mno-single-exit. + (MMIX Options): Ditto. + +2002-06-30 Aldy Hernandez <aldyh@redhat.com> + + * config/i386/i386.c (ix86_init_mmx_sse_builtins): Fix typos. + +2002-06-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * gengtype.c (oprintf): Move VA_CLOSE after all fixedarg uses. + +2002-06-30 Alan Modra <amodra@bigpond.net.au> + + * unroll.c (loop_iterations): Handle EQ loops. + +2002-06-29 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000.md (ctrdi): Allocate pseudo for FPR + constraint in define_expand, not splitter. + Formatting. + +2002-06-29 Aldy Hernandez <aldyh@redhat.com> + + * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use + build_function_type_list instead of build_function_type. + + * config/ia64/ia64.c (ia64_init_builtins): Same. + + * config/alpha/alpha.c (alpha_init_builtins): Same. + + * config/rs6000/rs6000.c (altivec_init_builtins): Same. + + * config/arm/arm.c (arm_init_builtins): Same. + + * tree.h: Add build_function_type_list prototype. + + * tree.c (build_function_type_list): New. + +2002-06-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * collect2.c (scan_prog_file): Fix typo in message. + +2002-06-28 Aaron Lehmann <aaronl@vitelus.com> + + * fold-cont.c: Remove unused CHARMASK. + +2002-06-29 Neil Booth <neil@daikokuya.co.uk> + + PR preprocessor/7150 + * cppmain.c (scan_translation_unit_trad): Simplify. + * cppmacro.c (cpp_scan_nooutput): Handle traditional case. + +2002-06-29 Neil Booth <neil@daikokuya.demon.co.uk> + + * config/i386/crtdll.h: Define EXTRA_OS_CPP_BUILTINS. + Don't use CPP_PREDEFINES. + * config/i386/cygwin.h (EXTRA_OS_CPP_BUILTINS): New. + Used TARGET_OS_CPP_BUILTINS in preference to CPP_PREDEFINES. + * config/i386/djgpp.h, config/i386/i386-coff.h, + config/i386/i386-interix.h, config/i386/i386-interix3.h, + config/i386/lynx-ng.h, config/i386/lynx.h, config/i386/mingw32.h, + config/i386/openbsd.h, config/i386/ptx4-i.h, config/i386/sysv3.h, + config/i386/uwin.h: Similarly. + +2002-06-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * c4x.h: (TARGET_CPU_CPP_BUILTINS): Check flag_inline_functions and + flag_inline_trees to enable inlining. + +2002-06-28 Phil Edwards <pme@gcc.gnu.org> + + * configure.in (gcc_gxx_include_dir): Change to match versioned + C++ headers if --enable-version-specific-runtime-libs is used. + * configure: Regenerate. + +2002-06-28 Jan Hubicka <jh@suse.cz> + + * gcse.c (gcse_emit_move_after): Use gen_move_insn to produce the move. + +2002-06-28 Stephen Clarke <stephen.clarke@superh.com> + + * combine.c (combine_simplify_rtx): Pass the mode of the + shift count, not the shift operation when trying to simplify + a shift on a SHIFT_COUNT_TRUNCATED target. + +2002-06-28 Stephane Carrez <stcarrez@nerim.fr> + + * config/m68hc11/m68hc11.md ("*addsi3"): Use 'o' constraint to + avoid the auto increment addressing modes. + ("*subsi3"): Likewise. + (split for add/sub on address): For 68HC12 push the value on + the stack and do the operation with a pop. + +2002-06-28 Neil Booth <neil@daikokuya.co.uk> + + * cpplib.c (_cpp_handle_directive): Move #define-specific + code to the #define handler... + (do_define): ...here. + (lex_macro_node): No longer a need to check for comments here. + +2002-06-28 Stephane Carrez <stcarrez@nerim.fr> + + * config/m68hc11/m68hc11.h (OPTIMIZATION_OPTIONS): Define. + * config/m68hc11/m68hc11-protos.h (m68hc11_optimization_options): + Declare. + * config/m68hc11/m68hc11.c (m68hc11_optimization_options): New, + do not reorder basic blocks at the end when optimizing for size. + +2002-06-28 Stephane Carrez <stcarrez@nerim.fr> + + * config/m68hc11/m68hc11.c (autoinc_mode): New function. + (m68hc11_make_autoinc_notes): New function. + (m68hc11_split_move): Be very cautious when spliting a move with + auto increment/decrement modes because this may result in incompatible + directions; add REG_INC notes to the resulting insn for CSE reg. + +2002-06-28 Stephane Carrez <Stephane.Carrez@nerim.fr> + + * config/m68hc11/m68hc11.c (register_indirect_p): For 68HC12 a constant + can be a valid address. + +2002-06-28 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.c: Remove unusued variables from last + patch. + +2002-06-27 Aldy Hernandez <aldyh@redhat.com> + + Revert: + * config/rs6000/rs6000.c (rs6000_override_options): Move + *SUBTARGET_OVERRIDE_OPTIONS before the -m options. + +2002-06-27 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.c (altivec_expand_builtin): Move + lvx/stv/dst builtins... + (altivec_expand_ld_builtin): ...to here. + (altivec_expand_st_builtin): ...here. + (altivec_expand_dst_builtin): ...and here (respectively). + +2002-06-28 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.h (RETURN_IN_MEMORY): Update comment. + +2001-06-08 Bernd Schmidt <bernds@redhat.com> + + * emit-rtl.c (gen_lowpart_common): Don't create paradoxical FLOAT_MODE + subregs. + * recog.c (general_operand, register_operand): Disallow them. + +2002-06-28 Neil Booth <neil@daikokuya.co.uk> + + PR preprocessor/7138 + * cpplib.c (_cpp_handle_directive): Do traditional + preparation after setting state.angled_headers. + * cpptrad.c (scan_out_logical_line): Fix potential + quote bug. + +2002-06-27 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.c (rs6000_override_options): Move + *SUBTARGET_OVERRIDE_OPTIONS before the -m options. + +2002-06-27 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.md: Give "*xxx" names to all unnamed insn's. + (*lsiu, *ssiu, movstrsi_internal, zero_cost_loop_start, + zero_cost_loop_end): Remove unnecessary "parallel" from insns. + +2002-06-27 Roger Sayle <roger@eyesopen.com> + + * config/d30v/d30v.h: Remove commented out STACK_REGS #defines. + * config/stormy16/stormy16.h: Likewise. + + * config/stormy16/stormy16.h (CUMULATIVE_ARGS): Replace typedef + with #define. + +2002-06-26 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/install.texi (Binaries): Add Sinix/Reliant Unix. Move + Hitachi entry. Make punctuation more consistent. + +2002-06-27 Matt Kraai <kraai@alumni.cmu.edu> + + * doc/install.texi: Change ` bit' to `-bit'. + * doc/md.texi: Change `-bits' to `-bit'. + * doc/tm.texi: Change `-bits' to ` bits'. + +2002-06-27 Daniel Berlin <dberlin@dberlin.org> + + * gcse.c (hoist_code): Rewrite to only get list of dominated + blocks once per BB. Also fix reversed test (by removing need for + the test at all). + +2002-06-27 Neil Booth <neil@daikokuya.co.uk> + + * cpphash.h (_cpp_set_trad_context): Remove. + * cpplib.c (prepare_directive_trad): Do nothing for #define. + (cpp_push_buffer, _cpp_pop_buffer): Don't call _cpp_set_trad_context. + * cpptrad.c: Update comments. + (_cpp_read_logical_line_trad): Let scan_logical_line handle + updating the current context. + (scan_logical_line): Update the current context. + (_cpp_create_trad_definition): Similarly. + (_cpp_set_trad_context): Remove. + +2002-06-27 Neil Booth <neil@daikokuya.co.uk> + + PR preprocessor/7070 + * c-lex.c (cb_def_pragma): Don't try to spell CPP_EOF. + +2002-06-26 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa-protos.h (xtensa_return_addr): Declare. + config/xtensa/xtensa.c (xtensa_return_addr): New function. + config/xtensa/xtensa.h (RETURN_ADDR_RTX): Use xtensa_return_addr. + config/xtensa/xtensa.md (fix_return_addr): New pattern. + +2002-06-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * mips.c (coprocessor_operand, coprocessor2_operand, + symbolic_operand): Move prototypes from here... + * mips-protos.h (coprocessor_operand, coprocessor2_operand, + symbolic_operand): ...to here. + +Wed Jun 26 16:32:57 2002 J"orn Rennecke <joern.rennecke@superh.com> + + * config/sh/crt1.asm: remove _stack label definition + and sentinel value. + +2002-06-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * varasm.c: Include real.h before output.h. + +2002-06-26 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.h (ALTIVEC_VECTOR_MODE): Revert change to + check for TARGET_ALTIVEC. + +2002-06-26 Nathanael Nerode <neroden@gcc.gnu.org> + + * config.gcc (vax-*-vms*): Make obselete. + +2002-06-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * gcc.c (warn_std): Delete. + +2002-06-25 Loren J. Rittle <ljrittle@acm.org> + + * doc/extend.texi: Fix formatting of last checkin. + +2002-06-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * config/alpha/alpha.h (TARGET_CPU_CPP_BUILTINS): Remove leading + underscore from __IEEE_FP and __IEEE_FP_INEXACT. + +2002-06-25 Aldy Hernandez <aldyh@redhat.com> + + * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document + discrepancies from motorola's documentation. + +Tue Jun 25 21:51:13 2002 J"orn Rennecke <joern.rennecke@superh.com> + + * optabs.c (expand_vector_binop, expand_vector_unop): Don't assume + GET_MODE_UNIT_SIZE (mode) == UNITS_PER_WORD. + + * config/sh/lib1funcs.asm (udivdi3): Make first divide step + produce a 32 bit result before normalization, then normalize with a + left shift. Compute approximative error of 2nd reciprocal + approximation in 2's complement. Fix mask generation from upper + longword of second divide stage result. + For large divisor, fix shift count used to truncate first stage + divide result; make decision if to adjust upwards based on comparison + of higher parts of normalized values. + (udivdi): Likewise. Undo normalization of result for large divisor + case. + +2002-06-25 David S. Miller <davem@redhat.com> + + * config/sparc/sparc.md: Change \\{t,n} to \{t,n}. + +2002-06-25 Neil Booth <neil@daikokuya.co.uk> + + * cpplib.c (do_include_common): Revert to correct line number + if -traditional. + * cpptrad.c (scan_out_logical_line): Treat null directive as + white space. Invlidate MI optimization for non-whitespace + text outside a directive. + +2002-06-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (SHELL): Set to @SHELL@. + * fixinc/Makefile.in (SHELL): Likewise. + + * mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2, + fixuns_truncsfsi2, fixuns_truncsfdi2): Avoid automatic aggregate + initialization. + +2002-06-24 Jeff Law <law@redhat.com> + + * flow.c (propagate_one_insn): When removing an insn + with a REG_LIBCALL note but not the entire libcall sequence, + delete the associated REG_RETVAL note. + +Mon Jun 24 21:05:09 2002 J"orn Rennecke <joern.rennecke@superh.com> + + * lib1funcs.asm (sdivsi3): Add optimized SH64 implementations. + (udivsi3): Likewise. Rewrite SH1 implementation. + (udivdi3, divdi3, umoddi3, moddi3): New SHmedia functions. + * sh.md (R20_REG, R21_REG, R22_REG, R23_REG, FR23_REG): New constants. + (udivsi3_i1_media, divsi3_i1_media): Fix clobber list. + * config/sh/t-sh64 (LIB1ASMFUNCS): (_udivdi3, _divdi3, _umoddi3): Add. + (_moddi3): Likewise. + + * lib1funcs.asm (ic_invalidate): Add data cache line writeback. + + * sh.h (FUNCTION_ARG_ADVANCE): Take SHCOMPACT_FORCE_ON_STACK + arguments into account for stack_regs. + +2002-06-24 Matt Kraai <kraai@alumni.cmu.edu> + + * doc/extend.texi: Change `@dots{}' to `/* @r{@dots{}} */' + in examples. + +2002-06-24 Art Haas <ahaas@neosoft.com> + + * doc/extend.texi (Other Builtins): Change `...' to `@dots{}'. + * doc/tm.texi (Frame Layout): Likewise. + +2002-06-20 Steve Ellcey <sje@cup.hp.com> + + * gcc/config.gcc (ia64*-*-hpux*): Set use_collect2 to no. + Set float_format to i128. + +2002-06-24 David S. Miller <davem@redhat.com> + + * config/sparc/sparc.c (INIT_TARGET_OPTABS): If ARCH64, set the + 32-bit ABI libfuncs to NULL. + + * config/sparc/sparc.md: Use define_insn_and_split. Use braced + strings instead of quoted strings for code blocks. + + * expmed.c (expand_divmod): Do not set optab1/optab2 to the shift + optabs if op1 is const0_rtx. + + * Makefile.in (GTFILES): Add basic-block.h + * basic-block.h (label_value_list, tail_recursion_label_list): + Mark with GTY. + +2002-06-24 Neil Booth <neil@daikokuya.co.uk> + + * cpptrad.c (scan_out_logical_line): Check recursing only when + we know we have a macro invocation in the function-like case. + Only call _cpp_handle_directive if we know we have a good + directive, or we want to reject a bad directive. + +2002-06-24 Alan Modra <amodra@bigpond.net.au> + + * doloop.c (doloop_valid_p): Correct comment. + (doloop_modify_runtime <abs_inc != 1>): Simplify. + (doloop_modify_runtime <do-while>): Don't emit code when NE. + +Thu Jun 20 00:26:53 2002 Denis Chertykov <denisc@overta.ru> + + * config.gcc: Add support for ip2k. + +2002-06-23 Jan Hubicka <jh@suse.cz> + Jeff Law <law@redhat.com> + + * function.h (struct emit_status): Clarify potential contents + of regno_reg_rtx array. + * integrate.c (copy_rtx_and_substitute): Update comments. Make + sure entry in regno_reg_rtx is a REG before checking REG_POINTER. + + * reg-stack.c (convert_regs_exit): Push the registers to stack in + proper order. + +2002-06-22 Ulrich Weigand <uweigand@de.ibm.com> + + PR middle-end/6963 + * function.c (assign_stack_temp_for_type): Do not return + the same MEM rtx for multiple uses of a stack slot. + +2002-06-22 David S. Miller <davem@redhat.com> + + PR target/6841 target/6770 target/6719 + * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Return + NO_REGS for constant X when CLASS is GENERAL_OR_FP_REGS or + GENERAL_OR_EXTRA_FP_REGS. + +2002-06-22 Neil Booth <neil@daikokuya.co.uk> + + * cpptrad.c (struct fun_macro): Add line number. + (scan_out_logical_line): Set it, and use it to report unterminated + macro invocations. + +2002-06-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * genautomata.c (copy_node, VLA_PTR_CREATE, VLA_PTR_EXPAND, + VLA_PTR_ADD, VLA_HWINT_CREATE, VLA_HWINT_EXPAND, VLA_HWINT_ADD, + DECL_UNIT, DECL_BYPASS, DECL_AUTOMATON, DECL_EXCL, DECL_PRESENCE, + DECL_ABSENCE, DECL_RESERV, DECL_INSN_RESERV, REGEXP_UNIT, + REGEXP_RESERV, REGEXP_SEQUENCE, REGEXP_REPEAT, REGEXP_ALLOF, + REGEXP_ONEOF, check_name): Const-ify. + +2002-06-21 Matt Thomas <matt@3am-software.com> + + * config/vax/vax.c (vax_output_function_prologue): Use + REGISTER_PREFIX. Fix some indentation. + * config/vax/vax.h (FUNCTION_PROFILER): Use reg_names[]. + (VAX_ISTREAM_SYNC): Define. + (INITIALIZE_TRAMPOLINE): Use VAX_ISTREAM_SYNC. Move the + i-stream sync to the end. + (REGISTER_PREFIX): Define as "". + (ASM_OUTPUT_MI_THUNK): Use REGISTER_PREFIX. + +2002-06-21 Jason Thorpe <thorpej@wasabisystems.com> + + * config.gcc (ns32k-*-netbsd*): Remove from list of obsolete + configurations. + +2002-06-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * tree.c (tree_node_kind, tree_node_counts, tree_node_sizes, + tree_node_kind_names): Wrap in GATHER_STATISTICS macro. + +2002-06-21 Matt Thomas <matt@3am-software.com> + + * config/vax/netbsd.h: Adjust a comment. + (TARGET_DEFAULT): Redefine as 0. + +2002-06-21 Richard Henderson <rth@redhat.com> + + * bb-reorder.c (make_reorder_chain_1): Search harder for the + vax casesi fallthru edge. + * cfglayout.c (cleanup_unconditional_jumps): Use + redirect_edge_succ_nodup. Do not delete ADDR_VEC insns as dead. + * cfgrtl.c (force_nonfallthru_and_redirect): Place redirection + block after ADDR_VEC. + +2002-06-21 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtfastmath.o. + +2002-06-21 Neil Booth <neil@daikokuya.co.uk> + + * cpperror.c (cpp_error): For traditional CPP, default to + diagnostics on pfile->line. + * cpplib.c (prepare_directive_trad): Set line number for + diagnostics for #define too. + * cpptrad.c (skip_whitespace): Skip comments properly. + (_cpp_expansions_different_trad): Initialize quote2. + +2002-06-21 Hans-Peter Nilsson <hp@bitrange.com> + + * config/mmix/mmix.md: Change GNU CC to GCC in file header comment. + * config/mmix/mmix.h: Ditto. + * config/mmix/mmix-protos.h: Ditto. + * config/mmix/mmix.c: Ditto. Fix typo in comment. + * config/mmix/mmix-modes.def: Change GNU CC to GCC in file header + comment. Comment extra CC modes. + +2002-06-20 Jan Hubicka <jh@suse.cz> + + * cfglayout.c (scope_to_insns_initialize): Call set_block_levels. + (scope_to_insns_finalize): Do not call set_block_levels; handle + sequences. + (choose_inner_scope): New. + * rtl.h (choose_inner_scope): Declare. + +2002-06-20 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa-protos.h (pa_asm_output_mi_thunk): Change third argument to + HOST_WIDE_INT. + * pa.c (pa_asm_output_mi_thunk): Likewise. + (n_deferred_plabels): Change type to size_t. + (output_deferred_plabels, output_call): Use size_t instead of int. + +2002-06-20 Richard Henderson <rth@redhat.com> + + PR target/4041 + * config/m68k/m68k.md (zero_extendsidi2): Create expander; duplicate + pattern and adjust constraints for coldfire. + +2002-06-20 Richard Henderson <rth@redhat.com> + + * explow.c (probe_stack_range): Use gen_rtx_fmt_ee. + +2002-06-20 Chris Demetriou <cgd@broadcom.com> + + * config.gcc (mipsisa64-*-elf*, mipsisa64el-*-elf*): New targets. + +2002-06-20 Chris Demetriou <cgd@broadcom.com> + + * config/mips/mips.h (ISA_HAS_FP4): Fix comment to reflect use. + +2002-06-20 Stan Shebs <shebs@apple.com> + + * dominance.c: Include errors.h instead of error.h. + +2002-06-20 Neil Booth <neil@daikokuya.co.uk> + + * cppexp.c (cpp_interpret_integer): Don't force traditional + numbers to be unsigned. + * cpplib.c (prepare_directive_trad): Set line number for + diagnostics. + * cpptrad.c (scan_out_logical_line): Continue scanning out + at start of buffer. + * gcc.c (trad_capable_cpp): Use cc1 always. + +2002-06-20 Jeffrey Law <law@redhat.com> + + * i386.h (TARGET_DEFAULT): Do not turn on frame pointer + elimination in leaf functions by default yet. + +2002-06-20 Richard Sandiford <rsandifo@redhat.com> + + * combine.c (make_extraction): Reapply to the argument of an ASHIFT. + +2002-06-20 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * config/sparc/t-crtfm (crtfastmath.o): Prefix with $(T) for + multilibs. + * config/sparc/t-sol2-64 (EXTRA_MULTILIB_PARTS): Add crtfastmath.o. + Fixes PR other/6836. + +Thu Jun 20 19:42:21 CEST 2002 Jan Hubicka <jh@suse.cz> + Pavel Nejedly <bim@atrey.karlin.mff.cuni.cz> + + Mon Jun 10 20:42:34 CEST 2002 Jan Hubicka <jh@suse.cz> + + * basic-block.h: Do not include et-forest.h + (dominance_info): Declare as struct dominance-info. + * cfglayout.c (cleanup_unconditional_jumps): Remove the edge before + deleting block. + * dominance.c (struct dominance_info): Define. + (BB_NODE, SET_BB_NODE): New macros. + (bb_hash_func, bb_eq_func): Kill. + (calculate_dominace_info, free_dominacne_info, set_immediate_dominator, + nearest_common_dominator, dominated_by_p, recount_dominator, + add_to_dominance_info, delete_from_dominance_info): update for new + representation. + (get_dominated_by, redirect_immediate_dominators): Rewrite using + enumerate_sons. + * ifcvt.c (process_double_test_block, merge_if_block, find_cond_trap, + find_if_case_1, find_if_case_2): Remove killed blocks from dominance + structure. + + * et-forest.h: Update copyright; revamp all function to operate on + nodes + (et_forest_value): Kill. + (et_forest_enumerate_sons, et_forest_node_value): New. + * et-forest.c: Update copyright. + * et-forest.h: Update copyright; revamp all function to operate on + nodes + (et_forest_value): Kill. + (et_forest_enumerate_sons, et_forest_node_value): New. + + Thu Jun 6 22:43:43 CEST 2002 Jan Hubicka <jh@suse.cz> + + * basic-block.h: Inlude et-forest.h + (basic_block_def): Kill dominator. + (dominance_info): New type. + (loops): Use dominace_info. + (dominace handling functions): Take dominace_info as argument + instead of bitmaps. + (create_preheader): Likewise. + * cfg.c (entry_exit_blocks): Kill dominator. + (dump_flow_info): Do not dump dominators. + * cfglayout.c (cleanup_unconditonal_jumps): Delete deleted block from + dominators. + * cfgloop.c (flow_pre_header_find): Use dominacne_info. + (flow_loops_pre_header_scan, make_forwarder_block, + canonicale_loop_headers, flow_loops_find): Likewise. + * dominance.c: Include error.h + (idoms_to_doms): Kill. + (bb_hash_func, bb_eq_func): New static functions. + (debug_dominace_info): New global function. + (calculate_dominance_info): Use new et forest structure. + (free_dominace_info, get_immediate_dominator, set_immediate_dominator, + get_dominated_by, redirect_immediate_dominators, + nearest_common_dominator, dominated_by_p, verify_dominators, + recount_dominator, iterate_fix_dominators, add_to_dominace_info, + delete_from_dominance_info): New global functions. + * gcse.c (domnators): CHange to dominance_info. + (alloc_hoist_mem): Do not alloc dominators + (free_code_hoist_mem): Use free_dominance_info. + (compute_code_hoist_data): Use dominance_info. + (hoist_code): Likewise. + * ifcvt.c (post_dominators): Likewise. + (find_if_case_2, if_convert): Likewise. + * predict.c (process_note_predictions, process_note_prediction, + estimate-probability): Likewise. + * sched-rgn.c (find_rgns, init_regions): Likewise. + * ssa-dce.c (find_all_control_dependences, fint_control_depemndence, + find_pdom, delete_insn_bb, ssa_eliminate_dead_code): Likewise. + * ssa.c (compute_dominance_frontiers_1, rename_block, rename_registers, + find_evaluations, convert_to_ssa): Likewise. + * ssa.h (compute_dominance_frontiers): Likewise. + + Thu Jun 6 22:57:34 CEST 2002 Pavel Nejedly <bim@atrey.karlin.mff.cuni.cz> + + * Makefile.in (et-forest.c): Add. + * et-forest.c: New file. + * at-forest.h: New file. + +2002-06-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-decl.c (c_decode_option): Use ARRAY_SIZE in lieu of explicit + array size calculation. + * gengtype.c (NUM_BASE_FILES, create_file, write_gc_root): + Likewise. + + * diagnostic.c (diagnostic_kind_text): Const-ify. + * gengtype.c (lang_names): Likewise. + +Thu Jun 20 17:25:29 CEST 2002 JAn HUbicka <jh@suse.cz> + + * combine.c (subst): Be prepared for simplify_subreg to return VOIDmode. + +2002-06-20 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * config/sol2.h: New file. + * config.gcc (i?86-*-solaris2*): Include it before i386/sol2.h. + (sparc64-wrs-vxworks*): Include it before sparc/sol2.h. + (sparc-*-chorusos*): Likewise. + (sparc-*-elf*): Likewise. + (sparc-*-rtems*, sparc-*-rtemself*): Likewise. + (sparc64-*-solaris2*, sparcv9-*-solaris2*): Likewise. + (sparc-hal-solaris2*): Likewise. + (sparc-*-solaris2*): Likewise. + (sparclite-*-elf*): Likewise. + (sparc86x-*-elf*): Likewise. + (sparc64-*-elf*): Likewise. + + * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Moved to + config/sol2.h. + (ASM_SPEC): Override config/sol2.h version for now. + Removed obsolete GAS_REJECTS_MINUS_S variant. + (WINT_TYPE, WINT_TYPE_SIZE): Moved to config/sol2.h. + (HANDLE_PRAGMA_REDEFINE_EXTNAME): Likewise. + (TARGET_OS_CPP_BUILTINS): Likewise. + Assert system=unix. + (CPP_SPEC): Simplified using new CPP_SUBTARGET_SPEC. + (LIB_SPEC, ENDFILE_SPEC, STARTFILE_SPEC, LINK_SPEC): Moved to + config/sol2.h. + (SWITCH_TAKES_ARG, STDC_0_IN_SYSTEM_HEADERS): Likewise. + (ASM_CPU_SPEC): Define. + (SUBTARGET_EXTRA_SPECS): Define. + + * config/sparc/sol2-bi.h (LONG_DOUBLE_TYPE_SIZE): Removed, already + in config/sparc/sol2.h. + (ASM_SPEC): Moved to config/sol2.h. + (CPP_CPU_SPEC): Simplified. + (STARTFILE_SPEC32): Likewise, renamed to STARTFILE_ARCH32_SPEC for + consistency. + (STARTFILE_SPEC64): Renamed to STARTFILE_ARCH64_SPEC. + (STARTFILE_ARCH_SPEC): Use new names STARTFILE_ARCH32_SPEC, + STARTFILE_ARCH64_SPEC. + (STARTFILE_SPEC): Moved to config/sol2.h + (SUBTARGET_EXTRA_SPECS): Add startfile_arch. + (LINK_ARCH32_SPEC): Moved to config/sol2.h. + (LINK_ARCH64_SPEC): Simplified. + (LINK_ARCH_SPEC): Redefined config/sol2.h version for 64-bit support. + (LINK_SPEC): Moved to config/sol2.h + + * config/sparc/sol2.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Moved to + config/sol2.h. + Use BITS_PER_WORD for size. + (WINT_TYPE, WINT_TYPE_SIZE): Likewise. + (HANDLE_PRAGMA_REDEFINE_EXTNAME): Likewise. + (CPP_PREDEFINES): Removed OS-specific part handled by + TARGET_OS_CPP_BUILTINS. + (CPP_SUBTARGET_SPEC): Moved to config/sol2.h. + (CPLUSPLUS_CPP_SPEC): Removed, handled by TARGET_OS_CPP_BUILTINS. + (ASM_SPEC): Moved to config/sol2.h. + (PREFERRED_DEBUGGING_TYPE): Likewise. + (STARTFILE_SPEC, LIB_SPEC, LINK_SPEC): Likewise. + (SWITCH_TAKES_ARG, STDC_0_IN_SYSTEM_HEADERS): Likewise. + (TARGET_DEFAULT): Reordered to match config/sparc/sol2-bi.h version. + (TRANSFER_FROM_TRAMPOLINE): Moved to config/sol2.h + + * config.gcc (i?86-*-solaris2*): Removed obsolete gas support. + * config/i386/sol2gas.h: Removed. + +Thu Jun 20 12:14:01 CEST 2002 Jan Hubicka <jh@suse.cz> + + * i386.md (xorqi_1_slp, xorqi_2_slp): New patterns. + +2002-06-16 Aldy Hernandez <aldyh@redhat.com> + + * gcc.c-torture/execute/simd-1.c: New. + + * gcc.dg/simd-1.c: New. + + * doc/extend.texi (Vector Extensions): Document that we can + specify simd types not specifically supported by the hardware. + Document that simd types can be used as function arguments. + Document that signness does make a difference in SIMD types. + Misc cleanups and revisions to the vector extensions section. + + * simplify-rtx.c (simplify_subreg): Simplify subregs of vector + constants. + + * expr.c (vector_mode_valid_p): New. + + * expr.h: Add vector_mode_valid_p. + + * defaults.h (VECTOR_MODE_SUPPORTED_P): Set default. + + * c-common.c (type_for_mode): Always build vector nodes regardless + of VECTOR_MODE_SUPPORTED_P. + (handle_mode_attribute): Error if we can't emulate a nonexisting + vector mode. + (handle_vector_size_attribute): Same. + + * optabs.c (expand_binop): Open-code vector operations. + (expand_unop): Open-code vector unops. + (expand_vector_binop): New. + (expand_vector_unop): New. + + * c-typeck.c (build_binary_op): Allow vectors in binops. + Allow vectors in conditional operatiors. + (build_unary_op): Allow vectors in unary minus. + + * config/rs6000/rs6000.h (ALTIVEC_VECTOR_MODE): Conditionalize on + TARGET_ALTIVEC. + +2002-05-20 Richard Henderson <rth@redhat.com> + + * c-common.c (c_common_get_alias_set): Correctly handle characters. + Rearrange order of expressions; don't handle vectors here. + * alias.c (get_alias_set): Let vectors match their components. + +2002-06-19 Chris Demetriou <cgd@broadcom.com> + + * config/mips/mips.c (mips_emit_prefetch): Use hints which + match desired locality. + +2002-06-19 Dhananjay R. Deshpande <dhananjayd@kpit.com> + + * config/h8300/h8300.c (TARGET_INSERT_ATTRIBUTES): Define. + (h8300_insert_attributes): New. + +2002-06-19 Akim Demaille <akim@epita.fr> + + * c-parse.in (initelt: identifier ':' initval): Add an empty + action to fix a type clash. + (aliasdecl, classdef): Add the missing closing `;'. + Whitespace changes. + * gengtype-yacc.y (typedef_struct): Add an empty action to preevnt + $$ = $1 type clashes. + +2002-06-19 Eric Christopher <echristo@redhat.com> + + * config/mips/mips.c (symbol_operand): New function. + (mips_emit_prefetch): Ditto. + * config/mips/mips-protos.h: Define. + * config/mips/mips.h (ISA_HAS_PREFETCH): Define. + (CONSTANT_ADDRESS_P): Adjust, use TARGET_GAS. + (LEGITIMIZE_ADDRESS): Ditto. + * config/mips/mips.md (prefetch, prefetch_si_address, + prefetch_si, prefetch_di_address, prefetch_di): New patterns. + +2002-06-19 Eric Christopher <echristo@redhat.com> + + * config/fp-bit.h: Add unordered defines for gofast. + +2002-06-19 Vladimir Makarov <vmakarov@redhat.com> + + * genautomata.c (DECL_UNIT, DECL_BYPASS, DECL_AUTOMATON, + DECL_EXCL, DECL_PRESENCE, DECL_ABSENCE, DECL_RESERV, + DECL_INSN_RESERV, REGEXP_UNIT, REGEXP_RESERV, REGEXP_SEQUENCE, + REGEXP_REPEAT, REGEXP_ALLOF, REGEXP_ONEOF): New macros with + checking and without it. + (decl_name, decl_mode_check_failed, regexp_name, + regexp_mode_check_failed): New functions. + (gen_cpu_unit, gen_query_cpu_unit, gen_bypass, gen_excl_set, + gen_presence_set, gen_absence_set, gen_automaton, + gen_regexp_repeat, gen_regexp_allof, gen_regexp_oneof, + gen_regexp_sequence, gen_reserv, gen_insn_reserv, + automaton_decl_hash, automaton_decl_eq_p): Use the macros. + (find_automaton_decl): Ditto. Set up mode of work_automaton_decl. + (insn_decl_hash, insn_decl_hash, insn_decl_eq_p): Use the macros. + (find_insn_decl): Ditto. Set up mode of work_insn_decl. + (decl_hash, decl_eq_p): Use the macros. + (find_decl): Ditto. Set up mode of work_decl. + (process_excls, process_presence_absence, process_decls, + check_automaton_usage, process_regexp, process_regexp_decls, + check_usage, loop_in_regexp, check_loops_in_regexps, + process_regexp_cycles, add_advance_cycle_insn_decl, + initiate_states, initiate_excl_sets, + initiate_presence_absence_sets, copy_insn_regexp, transform_1, + transform_2): Use the macros. + (transform_3): Ditto. Check mode before making transformations of + ALLOF. + (regexp_transform_func, transform_insn_regexps, + process_unit_to_form_the_same_automaton_unit_lists, + form_the_same_automaton_unit_lists_from_regexp, + form_the_same_automaton_unit_lists, + process_seq_for_forming_states, process_alts_for_forming_states, + create_alt_states, form_ainsn_with_same_reservs, make_automaton, + form_arcs_marked_by_insn, NDFA_to_DFA, set_new_cycle_flags, + estimate_one_automaton_bound, compare_max_occ_cycle_nums, + units_to_automata_heuristic_distr, create_ainsns, + units_to_automata_distr, create_automata): Use the macros. + (form_regexp): Ditto. Fix typo in access to fields of ALLOF. + (longest_path_length, min_issue_delay_pass_states, + output_dead_lock_vect, output_tables, output_insn_code_cases, + output_internal_insn_latency_func, output_print_reservation_func, + output_description, output_automaton_units, generate): Use the + macros. + (make_insn_alts_attr): Ditto. Check case when there are not + alternatives in the reservation. + (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr, + make_bypass_attr, form_important_insn_automata_lists, + expand_automata): Use the macros. + +2002-06-20 Tim Josling <tej@melbpc.org.au> + + * Makefile.in: Clean up code to check for misspecified languages + in enable-languages. + +2002-06-19 Andrew Pinski <pinskia@physics.uc.edu> + + * cpptrad.c (_cpp_replacement_text_len): initialize len. + +2002-06-19 Jason Merrill <jason@redhat.com> + + * Makefile.in (unstrap, restrap): New targets. + (bootstrap): Mention restrap. + +2002-06-19 Matt Kraai <kraai@alumni.cmu.edu> + + * except.c (ehl_free): Remove. + + * doc/tm.texi (TARGET_CPU_CPP_BUILTINS): Correct misnamings of + builtin_define and builtin_define_std. + +2002-06-19 Ian Dall <ian@sibyl.beware.dropbear.id.au> + + * config/ns32k/ns32k.md: Give "*xxx" names to all unnamed insn's. + (sCOND): Restrict operand class so that gcc knows how to reload them. + (bitfield_set): Merge two unnamed insn's using alternatives. + (call_value): Remove constraint on unused uperand. + (udivmodhi4, udivmodsi4, udivmoddihi4_internal): Remove. + (udivmoddiqi4_internal, udivmoddihi4, udivmoddiqi4): Remove. + + * longlong.h (count_trailing_zeros): Escape newline and beautify. + +2002-06-19 Mark Mitchell <mark@codesourcery.com> + + * Makefile.in (QMTEST_DIR): Simplify definition. + +2002-06-19 Nick Clifton <nickc@cambridge.redhat.com> + + * config/d30v/d30v.h (CUMULATIVE_ARGS): Replace typedef with + #define. + +2002-06-19 Neil Booth <neil@daikokuya.co.uk> + + * cpphash.h (struct cpp_reader): Make date and time strings. + (_cpp_builtin_macro_text, _cpp_copy_replacement_text, + _cpp_replacement_text_len): New. + * cppinit.c (cpp_create_reader): Update. + (init_builtins): Register appropriate builtins for -traditional-cpp. + * cppmacro.c (new_number_token): Remove. + (_cpp_builtin_macro_text): New. + (builtin_macro): Use it. + (cpp_macro_definition): Update to handle traditional macros. + * cppmain.c (cb_line_change): Don't do column positioning for + traditional output. + * cpptrad.c (enum ls): Rename ls_fun_macro to ls_fun_open. New + state ls_fun_close. + (skip_whitespace): Fix. + (maybe_start_funlike): Don't set state.parsing_args. + (scan_out_logical_line): Remove duplicate error. Use lex_state + rather than state.parsing_args. + (push_replacement_text): Handle builtins. + (_cpp_replacement_text_len, _cpp_copy_replacement_text): New. + +2002-06-18 Hans-Peter Nilsson <hp@axis.com> + Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * config/fp-bit.c (_fpmul_parts, _fpdiv_parts): Mark with + attribute __always_inline__. + +2002-06-18 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.h (FUNCTION_PROFILER): Respect flag_pic + when generating the call to _mcount. + (NO_PROFILE_COUNTERS): Define. + +2002-06-18 Richard Henderson <rth@redhat.com> + + * print-rtl.c (print_rtx): Adjust NOTE argument numbers for + 2002-06-02 change. + +Tue Jun 18 20:53:32 2002 J"orn Rennecke <joern.rennecke@superh.com> + + * t-sh (MULTILIB_EXCEPTIONS): Set to ml. + config/sh/t-linux (MULTILIB_EXCEPTIONS): Clear. + * config/sh/t-netbsd (MULTILIB_EXCEPTIONS): Likewise. + * config/sh/t-sh64 (MULTILIB_EXCEPTIONS): Likewise. + + * sh-protos.h (sh_pr_interrupt): Declare. + * sh.c (sh_pr_interrupt): New function. + (print_operand, calc_live_regs, sh_expand_prologue): Use it. + (sh_hard_regno_rename_ok): Likewise. + * sh.h (NORMAL_MODE): FP_MODE_NONE for interupt handlers. + +2002-06-18 Vladimir Makarov <vmakarov@redhat.com> + + * rtl.def (DEFINE_AUTOMATON): Add description of new options + `time' and `v'. Fix incorrect description of option `w'. + + * doc/md.texi: Ditto. + + * genautomata.c (TIME_OPTION, V_OPTION): New macros. + (gen_automata_option): Process the new options. + (transform_2, transform_3): Initialize some variables. + (initiate_automaton_gen): Use the new macros. + +2002-06-18 Richard Sandiford <rsandifo@redhat.com> + + * config/mips/mips-protos.h (mips_initial_elimination_offset): Declare. + (mips_set_return_address, mips_restore_gp): Declare. + * config/mips/mips.h (struct mips_frame_info): Move to mips.c + (current_frame_info): Remove. + (INITIAL_ELIMINATION_OFFSET): Use mips_initial_elimination_offset. + * config/mips/mips.c: Remove uses of current_frame_info. + (struct mips_frame_info): Moved from mips.h. Remove 'insns_len'. + (struct machine_function): Add 'frame' and 'insns_len'. + (current_frame_info, zero_frame_info): Remove. + (mips_restore_gp, mips_set_return_address): New. + (mips_initial_elimination_offset): New. + * config/mips/mips.md (exception_receiver): Use mips_restore_gp. + (eh_return define_split): Use mips_set_return_address. + +2002-06-18 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplib.c (dtable): Update. + (end_directive): Decrement expansion prevention count. + Clear state.in_expression. + (prepare_directive_trad): Set state.in_expression. + Increment expansion prevention count. + * cpptrad.c (enum ls): New. + (_cpp_overlay_buffer): Set overlaid_buffer. + (_cpp_remove_overlay): Use overlaid_buffer. + (_cpp_read_logcial_line_trad): Update buffer when it might + have changed. + (scan_out_logical_line): Handle state transitions for assertions + and defined() in #if, and for funlike invocations including the + directive case. Handle '<' and '>' as a quote mechanism in + #include. Warn about unterminated macro invocations. + * cpphash.h (struct lexer_state): New member in_expression. + (struct cpp_reader): New member overlaid buffer. + +2002-06-18 Hans-Peter Nilsson <hp@axis.com> + + * config/cris/arit.c (do_31div, __Udiv, __Umod): Mark prototype + __always_inline__. + +2002-06-18 Alan Modra <amodra@bigpond.net.au> + + * config/ia64/ia64.md (doloop_end_internal): Correct rtl. + + * doloop.c (doloop_optimize): Extract pattern from insn. + +2002-06-17 Matt Kraai <kraai@alumni.cmu.edu> + + * doc/extend.texi (Function Attributes): Remove `,...' from @var. + +2002-06-17 Jeff Law <law@redhat.com> + + * libgcc2.c: Do not include symcat.h or machmode.h. + +2002-06-17 Richard Henderson <rth@redhat.com> + + PR target/6922 + * expmed.c (make_tree): Handle SIGN_EXTEND/ZERO_EXTEND. + +2002-06-17 Tom Tromey <tromey@redhat.com> + + * dwarfout.c: Include function.h. + +2002-06-17 Andreas Schwab <schwab@suse.de> + + * print-rtl.c (print_rtx): Print space before vector, not after. + (debug_rtx): Clear sawclose before printing. + (debug_rtx_list): Print newline after each list element. + (debug_rtx_range): Likewise. + +2002-06-17 Richard Henderson <rth@redhat.com> + + * function.h (struct function) [funcdef_no]: Rename profile_label_no. + (current_function_funcdef_no): Similarly. + * function.c (funcdef_no): Similarly. + (prepare_function_start): Set current_function_funcdef_no. + (expand_function_start): Don't set current_function_profile_label_no. + * dwarf2out.h (current_funcdef_number): Remove. + * dwarf2out.c (current_funcdef_number): Remove. Replace with + current_function_funcdef_no throughout. + * dwarfout.c, vmsdbgout.c: Similarly. + * except.c (sjlj_funcdef_number): Remove. + (sjlj_emit_function_enter): Use current_function_funcdef_no instead. + (output_function_exception_table): Likewise. + * final.c (profile_function): Use current_function_funcdef_no + instead of current_function_profile_label_no. + +2002-06-17 Vladimir Makarov <vmakarov@redhat.com> + + * sched-ebb.c (init_ready_list): Check INSN_P first. + +Mon Jun 17 17:26:15 2002 J"orn Rennecke <joern.rennecke@superh.com> + + * sh.md (divsi3): Update way how to find insns in a sequence. + + * reload1.c (merge_assigned_reloads): Don't change reloads + other than RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS + to RELOAD_OTHER when there are conflicting input reloads. + +2002-06-17 Richard Earnshaw (rearnsha@arm.com) + + * function.c (epilogue_done): Correctly build a sequence of insns for + a sibcall epilogue. + +2002-06-17 Nick Clifton <nickc@cambridge.redhat.com> + + * config/fr30/fr30.h (CUMULATIVE_ARGS): Replace typedef with + #define. + + * config/m32r/m32r.md: Replace gen_sequence with get_insns. + +2002-06-16 Richard Henderson <rth@redhat.com> + + * config/i386/i386.h (BIGGEST_FIELD_ALIGNMENT): Define instead + of ADJUST_FIELD_ALIGN if IN_TARGET_LIBS. + +2002-06-16 Richard Henderson <rth@redhat.com> + + PR opt/6722 + * regclass.c (globalize_reg): Update regs_invalidated_by_call. + +2002-06-16 Neil Booth <neil@daikokuya.demon.co.uk> + + * config.gcc: Add i386/sysv4-cpp.h; remove i386-aout.h from vxworks. + * config/i386/i386-aout.h, config/i386/i386elf.h, + config/i386/sysv4.h: Remove CPP_PREDEFINES. + * config/i386/linux64.h, config/i386/i386elf.h, config/i386/mach.h, + config/i386/netware.h, config/i386/rtemself.h, config/i386/sco5.h, + config/i386/sol2.h, config/i386/vsta.h, config/i386/vxi386.h, + config/i386/win32.h: Use TARGET_OS_CPP_BUILTINS rather than + CPP_PREDEFINES and part of CPP_SPEC. + * config/i386/sysv4-cpp.h: New. + +2002-06-16 Richard Henderson <rth@redhat.com> + + PR c/7030 + * dwarf2out.c (modified_type_die): Don't assign the qualified die + to the unqualified type. + +Sun Jun 16 22:16:10 CEST 2002 Jan Hubicka <jh@suse.cz> + + * i386-protos.h (x86_field_alignment): Declare. + * i386.c (x86_field_alignment): Define. + * i386.h (ADJUST_FIELD_ALIGNMENT): New. + (BIGGEST_FIELD_ALIGNMENT): Kill. + +2002-06-16 Richard Henderson <rth@redhat.com> + + * vax.md (casesi): Use emit_jump_insn. Tidy expander pattern. + +2002-06-16 Richard Henderson <rth@redhat.com> + + * c-common.c (flag_ms_extensions): Move from c++ front end. + * c-common.h (flag_ms_extensions): Declare. + * c-decl.c (c_decode_option): Add -fms-extensions. + (grokfield): Don't accept anonymous structures in ISO C mode; + accept only unnamed anonymous structures in GNU C mode; accept + Plan 9 extensions in MS mode. + * c-parse.in (SAVE_EXT_FLAGS, RESTORE_EXT_FLAGS): Rename from + SAVE/RESTORE_WARN_FLAGS; add flag_iso frobbing; update all callers. + (extension): Clear flag_iso. + * doc/invoke.texi (C Dialect Options): Add -fms-extensions. + +2002-06-16 Hans-Peter Nilsson <hp@axis.com> + + PR target/7042 + * reorg.c (make_return_insns) [DELAY_SLOTS_FOR_EPILOGUE]: Exit + early if current_function_epilogue_delay_list is non-empty. + * config/cris/cris.md ("return"): Add sanity check asserting that + current_function_epilogue_delay_list is empty. + +2002-06-16 Jeff Law <law@redhat.com> + + * emit-rtl.c (gen_rtx_REG): Temporarily turn off automatic + sharing of hard registers. + + * toplev.c (rest_of_compilation): Remove redundant conditional. + + * toplev.c (rest_of_compilation): Perform a simpler, less costly + cleanup of the CFG when not optimizing. + +2002-06-16 Alan Modra <amodra@bigpond.net.au> + + * gcc.c (main): Correct startfile_prefix_spec check. + +2002-06-12 Geoffrey Keating <geoffk@redhat.com> + + * config.gcc: Revert rth's patch of 2002-05-18. Instead, + include both darwin.o and rs6000-c.o. + +2002-06-15 Roger Sayle <roger@eyesopen.com> + + * expr.c (compare_from_rtx): Call simplify_relational_operation + on all comparisons, not just those between integer constants, + with the correct (possibly unsigned) comparison code. + (do_compare_rtx_and_jump): Likewise. + +2002-06-15 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * Makefile.in (tm_defines): New configuration variable. + (cs-config.h, cs-hconfig.h, cs-tconfig.h): Rename DEFINES to XM_DEFINES. + Pass tm_defines in TM_DEFINES. + (cs-tm_p.h): Rename DEFINES to XM_DEFINES. Pass TM_DEFINES. + * config.gcc (tm_defines): New configuration variable. + (hppa*-*-* | parisc*-*-*): Use tm_defines instead of pa-700.h and + pa-7100.h headers. Change hppa1* scheduling default to 7100LC. + * configure.in: Substitute tm_defines. + * configure: Rebuilt. + * mkconfig.sh: Rename DEFINES to XM_DEFINES. Output TM_DEFINES. + * doc/install.texi: Update. + * pa/pa-700.h: Delete file. + * pa/pa-7100.h: Delete file. + +2002-06-15 Roger Sayle <roger@eyesopen.com> + + * fold-const.c (comparison_to_compcode): New function to convert + an comparison TREE CODE into a bit-based representation. + (compcode_to_comparison): New function to convert from this bit + based representation back to a comparison TREE CODE. + (fold_truthop): Simplify (x<y) && (x==y) and related composite + comparisons. + +2002-06-15 Aldy Hernandez <aldyh@redhat.com> + + * tm.texi (MEMBER_TYPE_FORCES_BLK): Document MODE argument. + + * stor-layout.c (compute_record_mode): Remove check for + FUNCTION_ARG_REG_LITTLE_ENDIAN and VOIDmode when checking for + MEMBER_TYPE_FORCES_BLK. Pass new mode field to + MEMBER_TYPE_FORCES_BLK. + + * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Same. + + * config/c4x/c4x.h (MEMBER_TYPE_FORCES_BLK): Same. + +2002-06-14 Jeff Sturm <jsturm@one-point.com> + + * config/sparc/sparc.h (DYNAMIC_CHAIN_ADDRESS): Add SPARC_STACK_BIAS. + +2002-06-14 Steve Ellcey <sje@cup.hp.com> + + * configure.in (USE_UNWIND_EXCEPTIONS): Add support to set + USE_UNWIND_EXCEPTIONS if --enable-libunwind-exceptions is set. + * configure, config.in: Regenerate. + +2002-06-14 Eric Botcazou <ebotcazou@multimania.com> + + * loop.c (check_final_value): Use v->always_executed + instead of v->always_computable. + * unroll.c (final_giv_value): Don't calculate the final + value as a function of the biv if the giv is not computed + for every loop iteration. + +2002-06-14 Eric Botcazou <ebotcazou@multimania.com> + + * loop.c (for_each_insn_in_loop): Fix formatting and comments. + +2002-06-14 Eric Botcazou <ebotcazou@multimania.com> + + PR c/6677 + * convert.c (convert_to_integer) [LSHIFT_EXPR]: Don't pass + the truncation down when the target type is signed. + [trunc1]: Use unsigned arithmetic for LSHIFT_EXPR. + * fold-const.c (extract_muldiv) [NOP_EXPR]: Don't pass through + the conversion if the target type is a smaller type. + +2002-06-14 Richard Henderson <rth@redhat.com> + + * fold-const.c (fold) [compare ops]: Move X>=C / X<C transfomation + earlier. Re-factor comparisons vs extrema. + +2002-06-14 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.md (builtin_zapnot): Fix op2 mode. + +2002-06-14 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * rtl.h (SCHED_GROUP_P): Disallow CODE_LABEL, BARRIER and NOTE. + * sched-deps.c (add_dependence): Likewise. + (group_leader): Likewise. + * sched-rgn.c (init_ready_list): Likewise. + * doc/rtl.texi: Adjust accordingly. + +2002-06-13 Jeffrey Law <law@redhat.com> + + * gcse.c (delete_null_pointer_checks_1): Inform caller if any + null pointer checks were eliminated. Update prototype. + (delete_null_pointer_checks): Similarly. + * rtl.h (delete_null_pointer_checks): Update prototype. + * toplev.c (rest_of_compilation): Only run cleanup_cfg if + delete_null_pointer_checks deletes one or more null + pointer checks. Do not run cleanup_cfg before gcse, the + CFG is accurate and optimized at that point.. + + * rs6000.c (rs6000_frame_related): Avoid unwanted sharing + of hard registers. + +2002-06-14 Ulrich Weigand <uweigand@de.ibm.com> + + * Makefile.in (libgcc.mk): Depend on specs. + +Fri Jun 14 12:15:11 2002 J"orn Rennecke <joern.rennecke@superh.com> + + * sh.md (mulsi3): Update way how to find insns in a sequence. + +Fri Jun 14 12:04:02 2002 Dhananjay R. Deshpande <dhananjayd@kpit.com> + + * sh.h: Define HARD_REGNO_RENAME_OK + * sh.c: sh_hard_regno_rename_ok: New. If current function has + interrupt_handler attribute, only registers saved on stack are OK. + * sh-protos.h: Declare sh_hard_regno_rename_ok. + +2002-06-14 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/sh.md (jump): Emit jump insn. + (call_pcrel): Get pattern of the result of gen_call_site. + (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise. + +2002-06-14 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.h (struct cpp_buffer): Remove saved_line_base. + * cpptrad.c: Update comments. + (skip_whitespace, copy_comment): Take a new parameter. + (skip_escaped_newlines): Don't duplicate escaped newline test. + (copy_comment): Different location for CUR, decide here how + to copy / replace the comment. + (skip_whitespace): Copy whitespace. + (_cpp_overlay_buffer, _cpp_remove_overlay): Don't play with line_base. + (scan_out_logical_line): Let copy comment handle keeping or + replacing comments. + (scan_parameters, _cpp_create_trad_definition): Update. + +2002-06-13 Alan Lehotsky <apl@alum.mit.edu> + + * reload.c (get_secondary_mem,find_reloads_address, + find_reloads_address_1): Pass reference to MEM to find_reloads_address + so that LEGITIMIZE_RELOAD_ADDRESS will be called. + +2002-06-13 Jessica Han <jessica@cup.hp.com> + + * defaults.h (TARGET_VTABLE_ENTRY_ALIGN): New. + (TARGET_VTABLE_DATA_ENTRY_DISTANCE): New. + * doc/tm.texi: Document them. + * config/ia64/ia64.h (TARGET_VTABLE_ENTRY_ALIGN): New. + (TARGET_VTABLE_DATA_ENTRY_DISTANCE): New. + (TARGET_VTABLE_USES_DESCRIPTORS): 4 word descriptors for 32-bit mode. + (ASM_OUTPUT_FDESC): Likewise. + +2002-06-13 Eric Christopher <echristo@redhat.com> + + * diagnostic.c (output_format): Fix thinko. + +Thu Jun 13 22:34:33 2002 J"orn Rennecke <joern.rennecke@superh.com> + + * config/sh/coff.h (HAS_INIT_SECTION, INVOKE__MAIN): Don't define. + (DWARF2_UNWIND_INFO): Define to 0. + + * config/sh/sh.c (calc_live_regs): Don't use initial_value + optimization for PR_MEDIA_REG. + +2002-06-13 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.h (_cpp_lex_identifier_trad): Remove. + * cpplib.c (end_directive): Don't skip, always remove overlay + apart from #define. + (prepare_directive_trad): Handle NULL pfile->directive. + (_cpp_handle_directive): Always call prepare_directive_trad + if traditional. + * cppmain.c (check_multiline_token): Rename account_for_newlines, + generalize inputs. + (scan_translation_unit_trad): Use it. + * cpptrad.c (skip_comment): Rename copy_comment, copy comment to + output, get escaped newline in comment close correct. + (check_output_buffer, skip_whitespace): Update. + (_cpp_lex_identifier_trad): Remove. + (scan_out_logical_line): Handle -C and comments in directives + properly. + +Thu Jun 13 20:18:38 2002 J"orn Rennecke <joern.rennecke@superh.com> + + * config.gcc: Add support for sh[234]*-*-elf*, sh[2346lbe]*-*-linux*. + * config/sh/linux.h (TARGET_DEFAULT): Use TARGET_CPU_DEFAULT. + * sh.h (SELECT_SH1, SELECT_SH2, SELECT_SH3, SELECT_SH3E): New macros. + (SELECT_SH4_NOFPU, SELECT_SH4_SINGLE_ONLY, SELECT_SH4): Likewise. + (SELECT_SH4_SINGLE, SELECT_SH5_64, SELECT_SH5_64_NOFPU): Likewise. + (SELECT_SH5_32, SELECT_SH5_32_NOFPU, SELECT_SH5_COMPACT): Likewise. + (SELECT_SH5_COMPACT_NOFPU): Likewise. + (TARGET_SWITCHES): Use them. + (TARGET_CPU_DEFAULT): Define if not already defined. + (TARGET_DEFAULT): Use it. + (LINK_DEFAULT_CPU_EMUL): Value now depends on TARGET_CPU_DEFAULT. + * config/sh/t-linux (MULTILIB_OPTIONS): Use MULTILIB_ENDIAN. + * config/sh/t-monolib: New file. + +2002-06-13 Roger Sayle <roger@eyesopen.com> + + * toplev.c (rest_of_compilation): Simplify (and correct) the + logic of the first delete-null-pointer-checks pass. + +Thu Jun 13 18:24:17 CEST 2002 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_expand_movstr): Fix pasto. + +Thu Jun 13 18:18:17 CEST 2002 Jan Hubicka <jh@suse.cz> + + * reload.c (find_valid_class): Fix thinko in my previous patch. + +2002-06-13 Ulrich Weigand <uweigand@de.ibm.com> + + * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): New macro. + * config/s390/linux.h (TARGET_OS_CPP_BUILTINS): New macro. + (CPP_PREDEFINES, CPP_SPEC, CPP_ARCH31_SPEC, CPP_ARCH64_SPEC): Remove. + (EXTRA_SPECS): Remove cpp_arch31 and cpp_arch64. + +2002-06-13 Gabriel Dos Reis <gdr@codesourcery.com> + + * tree-inline.c (expand_call_inline): Don' mess with _DECL + fields. + +2002-06-13 Gabriel Dos Reis <gdr@codesourcery.com> + + * diagnostic.c (output_format): Recognize "%H" as a format + specifier for a location_t. + (text_specifies_location): New function. + (diagnostic_set_info): Use it. + +2002-06-13 Jeffrey Law <law@redhat.com> + + * emit-rtl.c (static_regno_reg_rtx): Define. + (init_emit_once): Initialize static_regno_reg_rtx. + (init_emit): Copy static_regno_reg_rtx into regno_reg_rtx instead + of building new hard reg objects once per function. + (gen_rtx_REG): Try to share hard regs. + * regclass.c (init_fake_stack_mems): New function broken out from + init_regs. + * rtl.h (init_fake_stack_mems): Declare. + * toplev.c (lang_independent_init): Call init_regs before + init_emit_once. Call init_fake_stack_mems after init_emit_once. + + * i386.md (extenddfxf2, extenddftf2): Fix typo/thinko. + + * alias.c (argument_registers): Remove. + (init_alias_once): Initialize static_reg_base_value here. Remove + initialization of argument_registers. + (init_alias_once_per_function): Remove. + (init_alias_analysis): Copy all the entries from static_reg_base_value + into new_reg_base_value all at once. + * rtl.h (init_alias_once_per_function): Remove declaration. + * function.c (prepare_function_start): Do not call + init_alias_once_per_function. + + * caller-save.c (init_caller_save): Use gen_rtx_INSN instead of + starting a sequence and emitting an INSN. + +2002-06-13 Richard Sandiford <rsandifo@redhat.com> + + * config/mips/r3900.h (MIPS_CPU_STRING_DEFAULT): Make lower case. + +2002-06-13 David S. Miller <davem@redhat.com> + + * expmed.c (init_expmed): Remove duplicate init of 'reg'. + +2002-06-13 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplib.c (end_directive): Handle line skipping. Only remove + the rest of the line if the directive was valid. + * cppmacro.c (_cpp_push_text_context): Set NODE_DISABLED when + expanding a traditional macro. + * cpptrad.c (recursive_macro): New. + (read_logical_line_trad): Handle skipping. + (scan_out_logical_line): Continue after a successful directive. + Don't expand macros whilst skipping, or if recursing. + (_cpp_create_trad_definition): scan_out_logical_line now sets + the output current position. + +2002-06-12 Eric Christopher <echristo@redhat.com> + + From Chris Demetriou <cgd@broadcom.com> + * config/mips/mips.h (ISA_HAS_FP4): Add ISA_MIPS64 and fix + comment. + (ISA_HAS_MADD_MSUB): Ditto. + (ISA_HAS_NMADD_NMSUB): Ditto. + +2002-06-12 Eric Christopher <echristo@redhat.com> + + * config.gcc: Consolidate little endian handling and + little/big endian targets. + * config/mips/elfl.h: Remove file. + * config/mips/elfl64.h: Ditto. + * config/mips/ecoffl.h: Ditto. + * config/mips/r3900.h (SUBTARGET_CPP_SPEC): Remove. + +2002-06-12 Geoffrey Keating <geoffk@redhat.com> + + * gengtype.h (xvasprintf): New prototype. + (xasprintf): New prototype. + (struct outf): New. + (get_output_file): Return an outf_p. + (header_file): Is now an outf_p. + (base_files): Now are outf_p. + (oprintf): New. + * gengtype.c: Replace all output FILE * with outf_p; use oprintf + rather than stdio operations. Use xasprintf in a few places, + when appropriate. + (xvasprintf): New. + (xasprintf): New. + (struct filemap): Delete. + (files): Delete. + (output_files): New. + (oprintf): New. + (create_file): Create an outf_p. Add parameter to indicate output + file name, change all callers. + (open_base_files): Create gtype-desc.c here. + (get_output_file_with_visibility): Rewrite. + (get_output_file_name): Just look at 'name' field in struct outf. + (close_output_files): Rewrite. + +2002-06-12 Jason Thorpe <thorpej@wasabisystems.com> + + * config/vax/vax.h (MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT) + (MASK_G_FLOAT): Define. + (TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT): Use them. + (TARGET_SWITCHES): Likewise. + (TARGET_DEFAULT): Likewise. + +2002-06-12 Daniel Jacobowitz <drow@mvista.com> + + * config/mips/elf.h (DWARF2_DEBUG_INFO): Define. + * config/mips/mips.c (mips_output_filename): Don't print a + ".file" directive if we are using DWARF-2. + (mips_output_function_prologue): Do not emit source file + name for TARGET_GAS. + +Wed Jun 12 16:45:13 CEST 2002 Jan Hubicka <jh@suse.cz> + + * i386.md (shift patterns): Use (TARGET_SHIFT1 || optimize_size) to + decide whether emit the short opcode. + * i386.h (x86_shift1): Declare. + (TARGET_SHIFT1): New macro. + * i386.c (x86_shift1): New global variable. + + * toplev.c (rest_of_compilation): Call find_basic_block pre-loop + unconditionally; make loop to rebuild CFG; kill unnecesary + find_basic_block calls; kill compute_bb_for_insn call. + * cfgbuild.c (find_basic_blocks): Kill compute_bb_for_insn call. + * haifa-sched.c (sched_init): Likewise. + * ssa-ccp.c (ssa_const_prop): Likewise. + * ssa-dce.c (ssa_eliminate_dead_code): Likewise. + +2002-06-11 David S. Miller <davem@redhat.com> + + * emit-rtl.c (emit_*_scope): Only access INSN_SCOPE if + active_insn_p. + +2002-06-11 Richard Henderson <rth@redhat.com> + + * c-common.c (builtin_define_type_max): New. + (cb_register_builtins): Define __SCHAR_MAX__, __SHRT_MAX__, + __INT_MAX__, __LONG_MAX__, __LONG_LONG_MAX__, __CHAR_BIT__. + + From Joseph S. Myers: + * glimits.h: Rewrite to expect the double underscore definitions + from the compiler. + + * config/alpha/unicosmk.h, config/avr/avr.h, config/h8300/h8300.h, + config/i386/linux64.h, config/ia64/aix.h, config/ia64/hpux.h, + config/ia64/ia64.h, config/m68hc11/m68hc11.h, config/m68hc11/m68hc12.h, + config/mips/mips.h, config/mmix/mmix.h, config/mn10200/mn10200.h, + config/pa/pa.h, config/rs6000/aix43.h, config/rs6000/aix51.h, + config/rs6000/linux64.h, config/s390/linux.h, config/sh/sh.h, + config/stormy16/stormy16.h: Don't define any of __SHRT_MAX__, + __INT_MAX__, __LONG_MAX__, or __LONG_LONG_MAX__. + +2002-06-11 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (ALPHA_BUILTIN_THREAD_POINTER): New. + (ALPHA_BUILTIN_SET_THREAD_POINTER): New. + (code_for_builtns): Update. + (alpha_init_builtins): Add __builtin_thread_pointer and + __builtin_set_thread_pointer. + (alpha_expand_builtin): Handle void builtins. + * doc/extend.texi (Alpha Built-in Functions): Update. + +2002-06-11 Hans-Peter Nilsson <hp@axis.com> + + PR target/6997 + * config/cris/cris.md ("sleu"): Set attribute "cc" to "none". + +2002-06-11 Zack Weinberg <zack@codesourcery.com> + + * config.gcc: Make the name of the extra-modes file adjustable + by target stanzas. + (s390x, strongarm, xscale stanzas): Use this facility. + * configure.in: Update to match. + * configure: Regenerate. + +2002-06-11 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.c (rs6000_emit_minmax): Treat unsigned + max/mins as unsigned GE compares. + +2002-06-11 Jason Thorpe <thorpej@wasabisystems.com> + + * config.gcc (vax-*-bsd*): Add vax/bsd.h to ${tm_file}. + * config/vax/bsd.h: New file. + * config/vax/netbsd.h: Add missing notice. + (CPP_PREDEFINES): Remove. + (TARGET_OS_CPP_BUILTINS): Define. + (CPP_SPEC): Use NETBSD_CPP_SPEC. + * config/vax/openbsd.h: Update copyright years. + (CPP_PREDEFINES): Remove. + (TARGET_OS_CPP_BUILTINS): Define. + * config/vax/ultrix.h: Likewise. + * config/vax/vaxv.h: Likewise. + * config/vax/vms.h: Likewise. + * config/vax/vax.h (TARGET_CPU_CPP_BUILTINS): Define. + (CPP_PREDEFINES, CPP_SPEC): Remove. + +Wed Jun 12 01:50:28 CEST 2002 Jan Hubicka <jh@suse.cz> + + * i386.md (addqi_1_slp, subqi_1_slp + (andqi_ext0, testqi_ext0): Remove unnecesary check. + (addhi*, addqi*): Simplify "dec" condition. + (testsi to testqi splitters): Remove TARGET_PROMOTE_QImode check. + (and, or, xor to QImode splitters): New. + (iorqi_ext*): New. + (xorqi_ext_0): New. + (xorqi_ext_1): Rename to xorqi_ext_2; bring to sync with and versions. + (andqi_ext_1_rex64): New. + (ashrqi*_slp): New. + (ashlqi*_slp): New. + (lshlqi*_slp): New. + (rotrqi3*_slp): New. + (rotlqi3*_slp): New. + +2002-06-11 Geoffrey Keating <geoffk@redhat.com> + + * config.gcc (powerpc*-*-*, rs6000-*-*-*): Don't bother including + softfloat.h. + * config/rs6000/vxppc.h (CPP_ENDIAN_BIG_SPEC): Delete. + (CPP_ENDIAN_LITTLE_SPEC): Delete. + * config/rs6000/sysv4le.h (CPP_ENDIAN_DEFAULT_SPEC): Delete. + * config/rs6000/sysv4.h (CPP_SYSV_SPEC): Delete _SOFT_FLOAT setting, + __LONG_DOUBLE_128__ setting, _CALL_* setting. + (CPP_DEFAULT_SPEC): Delete. + (CPP_FLOAT_DEFAULT_SPEC): Delete. + (CPP_LONGDOUBLE_DEFAULT_SPEC): Delete. + (CPP_SYSV_DEFAULT_SPEC): Delete. + (CPP_ENDIAN_BIG_SPEC): Delete. + (CPP_ENDIAN_LITTLE_SPEC): Delete. + (CPP_ENDIAN_SPEC): Delete. + (CPP_SPEC): Don't include cpp_endian, cpp_cpu. + (SUBTARGET_EXTRA_SPECS): Delete cpp_sysv_default, cpp_endian_default, + cpp_endian, cpp_endian_big, cpp_endian_little, cpp_float_default, + cpp_longdouble_default. + * config/rs6000/softfloat.h: Delete. + * config/rs6000/rs6000.h (CPP_CPU_SPEC): Delete. + (EXTRA_SPECS): Delete cpp_cpu. + (TARGET_CPU_CPP_BUILTINS): New. + * config/rs6000/rs6000-protos.h (rs6000_cpu_cpp_builtins): New + prototype. + * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): New. + * config/rs6000/linux64.h (CPP_PREDEFINES): Remove endianness defines. + (CPP_DEFAULT_SPEC): Delete. + * config/rs6000/eabiaix.h (CPP_SYSV_DEFAULT_SPEC): Delete. + * config/rs6000/darwin.h (CPP_PREDEFINES): Don't define __BIG_ENDIAN__. + * config/rs6000/beos.h (CPP_SPEC): Remove cpp_cpu. + (CPP_DEFAULT_SPEC): Delete. + * config/rs6000/aix51.h (CPP_SPEC): Remove cpp_cpu, -D_ARCH_PPC. + (CPLUSPLUS_CPP_SPEC): Likewise. + (CPP_CPU_SPEC): Delete. + (CPP_DEFAULT_SPEC): Delete. + * config/rs6000/aix43.h (CPP_SPEC): Remove cpp_cpu, -D_ARCH_PPC. + (CPLUSPLUS_CPP_SPEC): Likewise. + (CPP_CPU_SPEC): Delete. + (CPP_DEFAULT_SPEC): Delete. + * config/rs6000/aix41.h (CPP_SPEC): Remove cpp_cpu. + (CPP_DEFAULT_SPEC): Delete. + * config/rs6000/aix.h (CPP_SPEC): Remove cpp_cpu. + (CPP_DEFAULT_SPEC): Delete. + + * doc/gty.texi: Small updates. + +2002-06-12 Gabriel Dos Reis <gdr@codesourcery.com> + + * objc/objc-act.c (warn_with_ivar): Adjust calls to + diagnostic_count_error. + (warn_with_method): Likewise. + + * diagnostic.h (warnings_are_errors_message): New field of + diagnostic_context. + (diagnostic_count_error): Rename to diagnostic_count_diagnostic to + match semantics. + * diagnostic.c: Adjust calls to diagnostic_count_error through out. + (diagnostic_count_diagnostic): Make aware of other kinds of + diagnostics. + (diagnostic_initialize): Initialize warnings_are_errors_message field. + +2002-06-11 Tom Tromey <tromey@redhat.com> + + For PR java/6520: + * fold-const.c (fold_convert): Don't modify existing tree's type. + +2002-06-11 Geoffrey Keating <geoffk@redhat.com> + + * config/rs6000/ppc-asm.h: Remove some Windows NT leftovers. + +2002-06-11 Richard Henderson <rth@redhat.com> + + * caller-save.c (init_caller_save): Clear INSN_CODE each iteration. + +2002-06-11 Richard Henderson <rth@redhat.com> + + * defaults.h (EH_FRAME_SECTION_NAME): Don't define if + DWARF2_UNWIND_INFO is false. + +2002-06-11 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/t-xtensa (LIBGCC1_TEST, CROSS_LIBGCC1): Delete. + + * config/s390/s390.c (emit_prologue): gen_store_multiple + returns an insn now, not a pattern. + +2002-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * Makefile.in (gccinstall.dvi): Pass absolute pathnames to + $(TEXI2DVI) -o. + +Tue Jun 11 21:53:37 CEST 2002 Jan Hubicka <jh@suse.cz> + + * i386.c (x86_promote_QImode): Set for Athlon + (x86_fast_prefix): New global variable. + (x86_arch_always_fancy_math_387): Fix formating. + * i386.h (x86_fast_prefix): Declare + (TARGET_FAST_PREFIX): define. + * i386.md (and to strict_low_part, HI to SI + promoting splitter): Use new macro. + + * i386.h (RTX_COSTS): float_extend is not for free for SSE. + +2002-06-11 Zack Weinberg <zack@codesourcery.com> + + * Makefile.in (distclean): Delete junk left in testsuite + directory, too. + +2002-06-11 Jeffrey Law <law@redhat.com> + + * emit-rtl.c (try_split): Use INSN_LAST, not LAST_INSN to get the + last insn created by the splitter. + + * caller-save.c (init_caller_save): Move creation of SAVEINSN + and RESTINSN into into the scope of the sequence. + + * mips.c (mips_expand_prologue): Use emit_jump_insn for trivial + RETURN insns. + + * loop.c (loop_regs_scan): Avoid useless generation of REG objects. + + * mips.c (function_arg_advance): gen_ashldi3 returns an INSN now, + not the pattern. So extract the pattern from the insn. + + * mips.c (embedded_pic_fnaddr_reg): Fix typo. + +2002-06-11 Ulrich Weigand <uweigand@de.ibm.com> + + * config/s390/s390.md (movsi): Only use floating point + register alternatives when operands are already fprs. + (movdi_31, movdi_64): Likewise. + +2002-06-11 David S. Miller <davem@redhat.com> + + * emit-rtl.c (try_split): Do not abort on non-INSN_P. + Only run RTX equality checks on INSN_P rtl. + +2002-06-11 Ulrich Weigand <uweigand@de.ibm.com> + + * config/s390/s390.md (reload_base, ltorg): Remove. + * s390.c (s390_stop_dump_lit_p, s390_dump_literal_pool, + s390_asm_output_pool_prologue, s390_pool_start_insn): Remove. + * s390-protos.h (s390_stop_dump_lit_p, s390_dump_literal_pool, + s390_asm_output_pool_prologue): Likewise. + * s390.h (s390_pool_start_insn): Likewise. + + * s390.c (s390_output_symbolic_const): Remove support for + old-style pool chunks. + (s390_function_epilogue): Likewise. + (s390_output_constant_pool): Likewise. Also, fix incorrect + alignment for 64-bit literal pools. + (print_operand_address): Remove 'y' and 'Y' format flags. + * s390.h (ASM_OUTPUT_POOL_PROLOGUE): Remove support for + old-style pool chunks. + (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise. + (ASM_OUTPUT_POOL_EPILOGUE): Remove. + (S390_CHUNK_MAX, S390_CHUNK_OV, S390_POOL_MAX): Remove. + + * s390.c (consttable_operand): New function. + * s390-protos.h (consttable_operand): Declare it. + * s390.h (PREDICATE_CODES): Add consttable_operand. + * s390.md (consttable_qi, consttable_hi, consttable_si, consttable_di, + consttable_sf, consttable_df, pool_start_31, pool_end_31, + pool_start_64, pool_end_64, reload_base, reload_base2): New insns. + * s390.c (struct constant, struct constant_pool): New data types. + (constant_modes, gen_consttable): New variables. + (s390_start_pool, s390_end_pool, s390_add_pool, + s390_dump_pool, s390_free_pool): New functions. + (s390_chunkify_pool): Completely reimplement literal pool + overflow handling. + + * s390.c (s390_pool_overflow): New variable. + * s390.h (s390_pool_overflow): Declare it. + * s390.md (cjump, icjump): Use it to adapt length for out-of-range + jumps in literal pool overflow situations. + + * s390.c (s390_decompose_address): Accept new-style pool chunk offsets. + (s390_frame_info): Account for possible use of RETURN_REGNUM + by new literal pool overflow code. + (s390_emit_prologue): Likewise. + +2002-06-05 David S. Miller <davem@redhat.com> + + Delete SEQUENCE rtl usage outside of reorg and ssa passes. + * rtl.h (gen_sequence, emit_insns, emit_insns_before, + emit_insns_before_scope, emit_insns_after, + emit_insns_after_scope): Delete declaration. + * ada/misc.c (insert_code_for): Use emit_insn* instead of + emit_insns_foo. + * config/alpha/alpha.c (alpha_set_memflags_1): Abort on SEQUENCE. + (alpha_set_memflags): Fix comment. + (set_frame_related_p): Use get_insns instead of gen_sequence. + * config/alpha/alpha.md (setjmp receiver splitter): Avoid + emitting no insns. + * config/arm/arm.c (arm_finalize_pic): Use get_insns instead of + gen_sequence. + (arm_gen_load_multiple, arm_gen_store_multiple): Likewise. + * config/fr30/fr30.c (fr30_move_double): Likewise. + * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_movstr): + Likewise. + * config/ia64/ia64.c (spill_restore_mem): Likewise. + * config/ia64/ia64.md (conditional move spliiter): Avoid emitting + no insns. + * config/m32r/m32r.c (gen_split_move_double): Use get_insns + instead of gen_sequence. + * config/mips/mips.c (embedded_pic_fnaddr_reg): Likewise. + (mips_expand_prologue, mips16_gp_pseudo_reg): Likewise. + * config/sh/sh.c (sh_need_epilogue): Likewise. + * config/sparc/sparc.md (current_function_calls_alloca, flat): New + attributes. + (setjmp pattern and split): Use them to avoid splitter which emits + no RTL. + * genattrtab.c (main): Emit include of function.h + * config/stormy16/stormy16.c (xstormy16_split_cbranch): Use + get_insns instead of gen_sequence. + * config/cris/cris.c (cris_split_movdx): Likewise. + * emit-rtl.c (emit_insns*): Kill. + (try_split): Expect insn list instead of SEQUENCE. + (make_jump_insn_raw, make_call_insn_raw): Fix comments. + (emit_*insn*): Reimplement to work with INSN lists and PATTERNs. + Make them abort if a SEQUENCE is given and RTL checking is + enabled. + (emit_*_scope): Don't forget to set scope on final insn. + (gen_sequence): Move from here... + * ssa.c (gen_sequence): To here as private function. + * builtins.c (expand_builtin_apply_args): Use emit_insn_foo, fix + comments. + (expand_builtin_return, expand_builtin_mathfn): Likewise. + (expand_builtin_strlen): Use get_insns instead of gen_sequence. + (expand_builtin_saveregs): Use emit_insn_foo, fix comments. + (expand_builtin_expect_jump): Use get_insns and fix comments. + * calls.c (try_to_integrate): Use emit_insn_foo. + (expand_call, emit_library_call_value_1): Likewise. + * expr.c (emit_queue): Handle insn lists instead of SEQUENCE. + (emit_move_insn_1): Use get_insns instead of gen_sequence. + (expand_expr): Use emit_insn_foo. + * cfgrtl.c (commit_one_edge_insertion): Use emit_insn_foo. + * except.c (build_post_landing_pads): Likewise. + * flow.c (attempt_auto_inc): Likewise. + * stmt.c (expand_fixup, fixup_gotos, expand_nl_handler_label, + expand_nl_goto_receivers, expand_decl_cleanup): Likewise. + * function.c (fixup_var_refs_insn): Use get_insns instead of + gen_sequence. + (fixup_var_refs_1): Likewise and expect insn list from gen_foo. + (fixup_memory_subreg): Use get_insns instead of gen_sequence. + (fixup_stack_1, purge_addressof_1, expand_main_function, + get_arg_pointer_save_area): Likewise. + (optimize_bit_field, instantiate_virtual_regs_1, assign_parms, + expand_function_end): Use emit_insn_foo. + (record_insns, keep_stack_depressed): Work with insn list instead + of SEQUENCE, fix comments. + * ifcvt.c (noce_emit_store_flag, noce_try_store_flag, + noce_try_store_flag_constants, noce_try_store_flag_inc, + noce_try_store_flag_mask, noce_emit_cmove, noce_try_cmove_arith, + noce_try_minmax, noce_try_abs): Use emit_insn_foo. + (noce_process_if_block): Use get_insns instead of gen_sequence. + * optabs.c (add_equal_note): Work with insn list, fix comments. + (expand_binop): Expect insn list from GEN_FCN(), use emit_insn_foo. + (expand_unop, expand_complex_abs, expand_unop_insn, + expand_no_conflict_block): Likewise. + (gen_move_insn): Use get_insns instead of gen_sequence. + (gen_cond_trap): Likewise. + * integrate.c (copy_rtx_and_substitute): Likewise. + (emit_initial_value_sets): Use emit_insn_foo. + * reload1.c (emit_output_reload_insns, emit_reload_insns): Likewise. + (fixup_abnormal_edges): Avoid losing REG_NOTES more intelligently + now that RTL generators give insn lists. + * sibcall.c (replace_call_placeholder): Use emit_insn_foo. + * doloop.c (doloop_modify, doloop_modify_runtime): Use get_insns + instead of gen_sequence. + (doloop_optimize): Work with insn lists instead of SEQUENCE rtl. + * explow.c (emit_stack_save, emit_stack_restore): Use get_insns + instead of gen_sequence. + * loop.c (move_movables, emit_prefetch_instructions, + gen_add_mult, check_dbra_loop, gen_load_of_final_value): + Likewise. + (loop_regs_update): Work with insn list instead of SEQUENCE rtl. + (product_cheap_p): Likewise, and add commentary about RTL wastage + here. + * lcm.c (optimize_mode_switching): Use get_insns instead of + gen_sequence. + * profile.c (gen_edge_profiler): Likewise. + * regmove.c (copy_src_to_dest): Likewise. + * reg-stack.c (compensate_edge): Likewise and fix comment. + * gcse.c (process_insert_insn): Likewise. + (insert_insn_end_bb): Work with insn list instead of SEQUENCE rtl. + * jump.c (delete_prior_computation): Update comment. + * genemit.c (gen_expand, gen_split, main): Use get_insns instead + of gen_sequence, update comments to match. + * recog.c (peephole2_optimize): Work with insn lists instead of + SEQUENCE rtl. + * sched-vis.c (print_pattern): Abort on SEQUENCE. + * unroll.c (unroll_loop, find_splittable_givs, final_giv_value): + Use get_insns instead of gen_sequence. + (copy_loop_body): Likewise and don't emit dummy NOTE. + * genrecog.c: Don't mention SEQUENCE rtl in comments. + * combine.c (try_combine): Expect insn lists from split generator. + * reorg.c (relax_delay_slots): Emit SEQUENCE into insn list by + hand. + +2002-06-11 Roger Sayle <roger@eyesopen.com> + Andreas Jaeger <aj@suse.de> + + * cfgbuild.c: Update copyright years. + +2002-06-11 Andreas Schwab <schwab@suse.de> + + * config/m68k/m68k.h (PREDICATE_CODES): Define. + +2002-06-11 Eric Christopher <echristo@redhat.com> + + * doc/tm.texi (Run-time Target): Add comment about flag_iso + and strict ANSI. + * config/mips/ecoff.h (CPP_PREDEFINES): Remove. + * config/mips/ecoffl.h: Ditto. + * config/mips/elf64.h (SUBTARGET_CPP_SPEC): Remove. + (CPP_PREDEFINES): Ditto. + * config/mips/elfl64.h: Ditto. + * config/mips/elfl.h: Ditto. + * config/mips/iris3.h (CPP_PREDEFINES, SUBTARGET_CPP_SPEC): #if 0 + out until irix header consolidation. + * config/mips/iris5.h (CPP_PREDEFINES, SUBTARGET_CPP_SPEC): Replace + with SUBTARGET_OS_CPP_BUILTINS. + * config/mips/iris6.h: Ditto. + (CPLUSPLUS_CPP_SPEC): Remove. + * config/mips/linux.h: Ditto. + * config/mips/netbsd.h: Ditto. + * config/mips/openbsd.h: Ditto. + * config/mips/rtems.h: Ditto. + * config/mips/rtems64.h: Ditto. + * config/mips/sni-svr4.h: Ditto. + * config/mips/mips.h (ISA_MIPS1, ISA_MIPS2, ISA_MIPS3, ISA_MIPS4, + ISA_MIPS32, ISA_MIPS64): New defines. + (GENERATE_MULT3_SI, HAVE_SQRT_P, ISA_HAS_64BIT_REGS, + ISA_HAS_BRANCHLIKELY, ISA_HAS_CONDMOVE, ISA_HAS_8CC, ISA_HAS_FP4, + ISA_HAS_COND_TRAP, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB, + ISA_HAS_CLZ_CLO, ISA_HAS_DCLZ_DCLO): Use. + (TARGET_CPU_CPP_BUILTINS): Define. + (CPP_PREDEFINES, LONG_MAX_SPEC, CPP_FPR_SPEC, CPP_SPEC): Remove. + * config/mips/mips.md (mulsi3_mult3): Use ISA_MIPS32/64. + (movdicc): Remove check for ISA_MIPS32. + (bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, + sunordered_df, sunordered_sf, sordered_df, sordered_sf, + sunlt_df, sunlt_sf, sungt_df, sungt_sf, suneq_df, suneq_sf, sunge_df, + sunge_sf, sunle_df, sunle_sf): New patterns. + +2002-06-11 Neil Booth <neil@daikokuya.demon.co.uk> + + * Makefile.in: Update cppmain.o. + * cpphash.h (struct cpp_reader): Move some members to a + nested structure. + (trad_line): Rename saved_line. + (_cpp_read_logical_line_trad): Update. + (_cpp_remove_overlay): New. + * cppinit.c (cpp_create_reader): No need to set saved_line. + (cpp_destroy): Update. + (cpp_read_main_file): Only overlay if compiling. + * cpplex.c (continue_after_nul): Return false if in directive. + * cpplib.c (EXPAND): New. + (directive_table, SEEN_EOL): Update. + (end_directive): Remove overlay if traditional; don't skip + line in traditional #define. + (prepare_directive_trad): New. + (_cpp_handle_directive, run_directive): Update for traditional + directives. + (lex_macro_node): Simplify, don't use lex_identifier_trad. + * cpplib.h (struct options): Add preprocess_only. + * cppmain.c: Don't include intl.h. + (cpp_preprocess_file): Set options->preprocess_only. + (scan_translation_unit_trad): Fix, and print line numbers. + * cpptrad.c (check_output_buffer, lex_identifier, scan_parameters, + maybe_start_funlike, scan_out_logical_line, replace_args_and_push, + save_replacement_text, _cpp_create_trad_definition): Update for + variable renaming. + (_cpp_overlay_buffer): Save line number. + (_cpp_remove_overlay): Rename from restore_buff, restore line. + (_cpp_read_logical_line_trad): Don't handle overlays here. + (scan_out_logical_line): Process directives. + +2002-06-11 Danny Smith <dannysmith@users.sourforge.net> + + * gthr-win32.h: Wrap functions in extern "C". + (__gthread_key_t): Typedef as unsigned long, + not win32 DWORD. + (__GTHREAD_ONCE_INIT): Use 0, not win32 FALSE. + (__gthread_mutex_t): Typedef as void*, not win32 HANDLE. + (__gthr_win32_once, __gthr_win32_key_create, + __gthr_win32_key_delete, __gthr_win32_getspecific, + __gthr_win32_setspecific, __gthr_win32_mutex_init_function, + __gthr_win32_mutex_lock,__gthr_win32_mutex_trylock, + __gthr_win32_mutex_unlock): Declare. + (__gthread_once,__gthread_key_create, + __gthread_key_delete, __gthread_getspecific, + __gthread_setspecific, __gthread_mutex_init_function, + __gthread_mutex_lock,__gthread_mutex_trylock, + __gthread_mutex_unlock): Call corresponding + __gthr_win32_* extern implementations if #defined + __GTHREAD_HIDE_WIN32API. + * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Set to + $(srcdir)/config/i386/gthr-win32.c + * config/i386/gthr-win32.c: New implementation file. + (__gthr_win32_once, __gthr_win32_key_create, + __gthr_win32_key_delete, __gthr_win32_getspecific, + __gthr_win32_setspecific, __gthr_win32_mutex_init_function, + __gthr_win32_mutex_lock,__gthr_win32_mutex_trylock, + __gthr_win32_mutex_unlock): New functions, based on + static inlines in gthr-win32.h. + +2002-06-10 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.c (override_options): Don't warn about + using -fpic or -fPIC when PIC is enabled by default. + +2002-06-10 Roger Sayle <roger@eyesopen.com> + + * toplev.c (rest_of_compilation): Revert flag_if_conversion change. + +2002-06-10 Zack Weinberg <zack@codesourcery.com> + + * Makefile.in (MACHMODE_H): Add @extra_modes_file@. + * configure.in: If $srcdir/config/${cpu_type}/${cpu_type}-modes.def + exists, substitute its pathname as @extra_modes_file@, define + EXTRA_MODES_FILE to be an appropriate string to #include it + with, and define EXTRA_CC_MODES to 1. + + * machmode.def: Update comments. Include EXTRA_MODES_FILE if + it's defined. Get rid of redundancy in calling sequence for + CC; don't use it to define CCmode, to avoid a warning. + * libgcc2.c: Include symcat.h for the sake of machmode.def. + + * arc-modes.def, arm-modes.def, c4x-modes.def, i386-modes.def, + i960-modes.def, ia64-modes.def, m88k-modes.def, mmix-modes.def, + pa-modes.def, pdp11-modes.def, rs6000-modes.def, sparc-modes.def: + New files. + * arc.h, arm.h, c4x.h, i386.h, i960.h, ia64.h, m88k.h, mmix.h, + pa.h, pdp11.h, rs6000.h, sparc.h: Don't define EXTRA_CC_MODES. + + * doc/sourcebuild.texi, doc/tm.texi: Document new scheme for + defining extra CC modes. + +2002-06-10 Roger Sayle <roger@eyesopen.com> + Andreas Jaeger <aj@suse.de> + + * cfgrtl.c (create_basic_block_structure): Remove index argument + and use last_basic_block++ instead. (create_basic_block): Update. + * cfgbuild.c (find_basic_blocks_1): Likewise. + + * cfgrtl.c (compute_bb_for_insn): Remove unused "max" argument. + * haifa-sched.c (sched_init): Update compute_bb_for_insn caller. + * sched-ebb.c (schedule_ebbs): Likewise. + * sched-rgn.c (schedule_insns): Likewise. + * ssa-ccp.c (ssa_const_prop): Likewise. + * ssa-dcs.c (ssa_eliminate_dead_code): Likewise. + * toplev.c (rest_of_compilation): Likewise. + * config/ia64/ia64.c (ia64_reorg): Likewise. + +2002-06-10 Roger Sayle <roger@eyesopen.com> + + * simplify-rtx.c (simplify_replace_rtx): Allow replacement + of matching registers. + +2002-06-10 Roger Sayle <roger@eyesopen.com> + + * toplev.c (rest_of_compilation): Disable early if-conversion pass. + * gcse.c (bypass_conditional_jumps): Fix typo in setcc test. + +2002-06-10 Hans-Peter Nilsson <hp@bitrange.com> + + * config/mmix/mmix.h: Improve comments. + (CPP_SPEC, CPP_PREDEFINES): Don't define. + (TARGET_CPU_CPP_BUILTINS): Define. + (CANONICALIZE_COMPARISON): Don't define, replace with comment. + (PREDICATE_CODES) <"mmix_reg_or_8bit_or_256_operand">: Remove + unused predicate. + * config/mmix/mmix.c (MMIX_OUTPUT_REGNO): Add cast to avoid + compiler warning. + (mmix_constant_address_p): Remove another + redundant test before case. + (mmix_canonicalize_comparison): Remove unused function. + (mmix_print_operand_address): Don't test and adjust for operand in + non-canonical format. + (mmix_reg_or_8bit_or_256_operand): Remove unused predicate. + (mmix_gen_compare_reg): Don't use CANONICALIZE_COMPARISON. + +2002-06-10 Zack Weinberg <zack@codesourcery.com> + + * config/m32r/m32r.h: Don't define SELECT_CC_MODE. + * config/m32r/m32r-protos.h: Don't prototype m32r_select_cc_mode. + * config/m32r/m32r.c: Don't define m32r_select_cc_mode. + (gen_compare): Use CCmode unconditionally. + +2002-06-10 Jakub Jelinek <jakub@redhat.com> + + PR optimization/6759 + * cse.c (cse_insn): Fold src_eqv just once, store it folded back into + the REQ_EQUAL note. + +2002-06-10 Jakub Jelinek <jakub@redhat.com> + + PR c/6660 + * c-decl.c (grokfield): Allow user defined types if they declare + structs or unions for unnamed fields. + +2002-06-10 Jakub Jelinek <jakub@redhat.com> + + PR c/6809 + * print-rtl.c (print_mem_expr): Don't crash on unnamed fields. + +2002-06-10 Jakub Jelinek <jakub@redhat.com> + + PR optimization/6842 + * combine.c (combine_simplify_rtx) [SUBREG]: Don't ICE if VOIDmode + operand subreg cannot be simplified. + +2002-06-10 Jakub Jelinek <jakub@redhat.com> + + * varasm.c (const_hash): Handle FDESC_EXPR like ADDR_EXPR. + (compare_constant): Likewise. + (output_addressed_constants): Likewise. + +2002-06-10 Jakub Jelinek <jakub@redhat.com> + + * cfgcleanup.c (try_optimize_cfg): Make sure merge_blocks doesn't + merge bb with itself. + +2002-06-10 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.md (builtin_zap): Fix thinkos expanding mask. + (builtin_zapnot): Likewise. + + * config/alpha/ev5.md: Don't combine shift and mvi insns in one + reservation. + +2002-06-10 Eric Christopher <echristo@redhat.com> + + * config/i386/i386.c (ix86_osf_output_function_prologue): Remove + prototype and function. + (TARGET_ASM_FUNCTION_PROLOGUE): Remove OSF version. + (call_insn_operand): Remove half pic references. + (legitimate_address_p): Ditto. + * config/i386/i386.h: Remove half pic defines. + +2002-06-10 Eric Christopher <echristo@redhat.com> + + * doc/extend.texi (Return Address): Add note explaining the side- + effects of inlining on __builtin_return_address. + +2002-06-10 Tom Tromey <tromey@redhat.com> + + * Makefile.in (LANGHOOKS_DEF_H): Include langhooks-def.h. + (c-common.o): Depend on langhooks.h. + +2002-06-10 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.h (_cpp_read_logical_line_trad, + _cpp_expansions_different_trad): Update prototypes. + * cpplex.c (continue_after_nul): New. + * cppmain.c: Include cpphash.h. + (scan_translation_unit_trad): New. + (cpp_preprocess_file): Call it. + * cpptrad.c (_cpp_read_logical_line_trad): Take new parameter + overlay. + (_cpp_expansions_different_trad): Update prototype. + +Mon Jun 10 18:02:24 2002 J"orn Rennecke <joern.rennecke@superh.com> + + Fix cfi generation for SH[1-4]: + + * sh.c (frame_insn): New function. + (output_stack_adjust): Add parameter emit_fn. All callers changed. + (push): Now returns rtx. Use frame_insn. + (sh_expand_prologue): Clear RTX_FRAME_RELATED_P for second push + of a DF register. + * sh.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_RETURN_COLUMN): Define. + +2002-06-10 Zack Weinberg <zack@codesourcery.com> + + * Makefile.in (STAGESTUFF): Add s-gtype, gt-*.h, gtype-*.h, + and gtype-desc.c. + (mostlyclean): Delete specs.h, options.h, gencheck.h here... + (distclean): ... not here. But do delete all testsuite/*.log, + testsuite/*.sum files here. Delete mkheaders. Delete + po/*.gmo and the testsuite directory in a split tree build. + +2002-06-10 Jeffrey Law <law@redhat.com> + + * alias.c (static_reg_base_value): New to hold RTL for + items allocated once per function for the aliasing code. + (init_alias_once_per_function): Initialize static_reg_base_value. + (init_alias_analysis): Avoid throw-away allocations of RTL by + using pre-computed values in static_reg_base_value. + * function.c (prepare_function_start): Call + init_alias_once_per_function appropriately. + * rtl.h (init_alias_once_per_function): Declare. + * caller-save (init_caller_save): Restructure slightly to + avoid lots of silly RTL generation. + * expr.c (init_expr_once): Likewise. + * reload1.c (reload_cse_regs_1): Allocate throw-away register + RTL object here. Pass it into children. + (reload_cse_simplify_operands): Use passed-in register RTL + object. + (reload_cse_simplify): Pass through throw-away register + RTL object. + +2002-06-10 Daniel Berlin <dberlin@dberlin.org> + + * Makefile.in (ssa.o): Add dependency on $(RTL_H), which was missing. + +2002-06-10 Richard Sandiford <rsandifo@redhat.com> + + * gcc.c (process_command): Avoid assignment to read-only location. + Fix sizeof calculation. + +2002-06-10 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.h (struct cpp_macro): Put comments on their own lines. + (_cpp_expansions_different_trad): New. + * cppmacro.c (warn_of_redefinition): Fix for traditional case. + * cpptrad.c (canonicalize_text): New. + (scan_out_logical_line): Handle no arguments correctly. + (save_replacement_text): Commit memory when finished. + (_cpp_expansions_different_trad): New. + +2002-06-10 Tim Josling <tej@melbpc.org.au> + + * gengtype.c (unnamed enum containing BASE_FILE_*): Add languages + TREELANG and COBOL. + (lang_names): Add treelang and cobol. + (get_file_basename): Add code to support treelang and cobol as + 4th and 5th users of c-common.c. + +2002-06-09 Geoffrey Keating <geoffk@redhat.com> + + * Makefile.in (install-driver): Install driver as + $(target_alias)-gcc-$(version). + * gcc.c (spec_version): Make const. + (process_command): Handle -V and -b by using exec. + * doc/invoke.texi (Target Options): Restore -V option, + update docs for -b option. + +2002-06-10 Tim Josling <tej@melbpc.org.au> + + * configure.in (remaining_languages_check): + Added check that all languages specified were found. + Exit if not found. Previous behavior was silent failure. + * configure: Regenerated. + +2002-06-10 Tim Josling <tej@melbpc.org.au> + + First steps to making treelang documentation compliant, based on + instructions in sourcebuild.texi. Also add to gcc.c list of + default languages. + + * doc/contrib.texi: Add self as contributor of treelang. + + * doc/frontends.texi: Add mention of treelang. + + * doc/invoke.texi (Overall Options): Add mention of treelang. + + * doc/standards.texi: Add mention of treelang. + +2002-06-09 Hans-Peter Nilsson <hp@axis.com> + + * config/cris/cris.c: Include ggc.h + +2002-06-09 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.h (_cpp_push_text_context): Update. + (_cpp_arguments_ok): New. + * cppmacro.c (_cpp_arguments_ok): New, split out from... + (collect_args): ...here. + (_cpp_push_text_context): Change inputs. + * cpptrad.c (struct fun_macro, maybe_start_funlike, save_argument, + replace_args_and_push): New. + (lex_identifier, _cpp_lex_identifier_trad, scan_parameters): + Don't use IS macros directly. + (scan_out_logical_line): Handle function-like macro argument + collection. + (push_replacement_text): Update. + (replacement_length): Remove. + (_cpp_create_trad_definition): Don't skip whitespace before + checking for '('. + +2002-06-09 Marek Michalkiewicz <marekm@amelek.gda.pl> + + * config/avr/avr.c (avr_mcu_types): Update for new devices. + * config/avr/avr.h (TARGET_SWITCHES, AVR_MEGA): Add -mshort-calls. + (LINK_SPEC, CRT_BINUTILS_SPECS): Update for new devices. + * config/avr/avr.md ("type" and "length" attributes): New type + "xcall", length 1 or 2 if AVR_MEGA. Use in all patterns that + output a single "call" or "rcall" insn depending on device size. + * config/avr/t-avr (MULTILIB_MATCHES): Update for new devices. + +2002-06-09 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/{aix43.h,aix5.1} (ASM_CPU_SPEC): Add power3 + synonym for 630. Add power4. Remove embedded processors. Use -m604 + assembler option. + (CPP_CPU_SPEC): Add power3 and power4. + (PROCESSOR_DEFAULT): Change to 604e. + * config/rs6000/rs6000.h (ASM_CPU_SPEC): Similar additions. + (CPP_CPU_SPEC): Similar additions. + (enum process_type): Add POWER4. + (RTX_COSTS): Add POWER4. + (CPP_CPU_SPEC): Similar additions. + * config/rs6000/linux64.h (PROCESSOR_DEFAULT): Define. + (PROCESSOR_DEFAULT64): Define. + * config/rs6000/rs6000.c (rs6000_override_options): Add power4. + (rs6000_adjust_cost): Add 603, 604, 604e, 620, 630, Power4 to + branch adjustment. + (rs6000_issue_rate): Add Power4. + * config/rs6000/rs6000.md (cpu attr): Add power4. + (iu compare): Remove 604, 604e, 620, 630. + Add basic Power4 scheduling information. + (mfcr/mtcrf): Change type attribute to cr_logical. + +2002-06-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * gengtype.h (error_at_line): Use PARAMS, not VPARAMS. Add + ATTRIBUTE_PRINTF_2. + * gengtype-lex.l: Fix format specifier warning. + + * genautomata.c: Don't include ctype.h or limits.h. Use ISSPACE, + not isspace. + * gengtype-lex.l: Don't include ctype.h and use ISSPACE/ISIDNUM in + lieu of isspace/IDchar. + * gengtype.c: Likewise for ctype.h and ISALNUM vs isalnum. + * read-rtl.c: Likewise for ctype.h. Don't define ISDIGIT or + ISSPACE. + +2002-06-08 Zack Weinberg <zack@codesourcery.com> + + * Makefile.in (LIBCPP_OBJS): Take out version.o. + * cpphash.h (cpp_reader): Take out print_version member. + * cppinit.c: (cpp_handle_option): Don't do anything with + -version. Just set help_only for --version, --target-help. + Just set verbose option for -v. + (cpp_post_options): Don't print a version string. + +2002-06-08 Marek Michalkiewicz <marekm@amelek.gda.pl> + + * config/avr/avr.c (TARGET_SECTION_TYPE_FLAGS): New. + (avr_section_type_flags): New, handle .noinit* sections. + +2002-06-08 Jason Thorpe <thorpej@wasabisystems.com> + + * config/sh/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): Define + and include netbsd_entry_point. + (SUBTARGET_LINK_SPEC): Define as NETBSD_LINK_SPEC_ELF. + (NETBSD_ENTRY_POINT): Define. + +2002-06-08 Jason Thorpe <thorpej@wasabisystems.com> + + * config/sh/sh.h (SUBTARGET_EXTRA_SPECS): Define empty + if not already defined. + (EXTRA_SPECS): Add SUBTARGET_EXTRA_SPECS. + +2002-06-08 Marek Michalkiewicz <marekm@amelek.gda.pl> + + * config/avr/avr.c (avr_regs_to_save): No need to save any registers + in a noreturn function. + (avr_output_function_prologue, avr_output_function_epilogue): + Correct function size calculation. Do not crash on empty function. + (avr_output_function_epilogue): No need for epilogue after a BARRIER. + +2002-06-08 Jason Thorpe <thorpej@wasabisystems.com> + + * config/mips/netbsd.h (SUBTARGET_EXTRA_SPECS): Add + netbsd_link_spec and netbsd_entry_point. + (LINK_SPEC): Use %(netbsd_link_spec). + (NETBSD_ENTRY_POINT): Define. + +2002-06-08 Jason Thorpe <thorpej@wasabisystems.com> + + * config/sparc/netbsd-elf.h (LINK_ARCH32_SPEC): Only specify + linker emulation. + (LINK_ARCH64_SPEC): Likewise. + (LINK_SPEC, NETBSD_ENTRY_POINT): Define. + (SUBTARGET_EXTRA_SPECS): Add netbsd_link_spec and netbsd_entry_point. + +2002-06-08 Marc Espie <espie@openbsd.org> + + * lists.c (free_list): Fix typo in comment. + +2002-06-08 Andreas Jaeger <aj@suse.de> + + * lcm.c (optimize_mode_switching): Add unused attribute for + variable. + + * sched-deps.c (sched_analyze): Remove unused variable. + +2002-06-08 Gabriel Dos Reis <gdr@codesourcery.com> + + * diagnostic.def: Don't capitalize diagnostict descriptors. + +2002-06-08 Jason Thorpe <thorpej@wasabisystems.com> + + * config/m68k/netbsd-elf.h (EXTRA_SPECS): Add netbsd_entry_point. + (LINK_SPEC): Define as NETBSD_LINK_SPEC_ELF. + (NETBSD_ENTRY_POINT): Define. + +2002-06-08 Jason Thorpe <thorpej@wasabisystems.com> + + * config/i386/netbsd-elf.h (LINK_SPEC): Define as + NETBSD_LINK_SPEC_ELF. + (SUBTARGET_EXTRA_SPECS): Add netbsd_entry_point. + (NETBSD_ENTRY_POINT): Define. + * config/i386/netbsd64.h (LINK_SPEC): Use %(netbsd_link_spec). + (SUBTARGET_EXTRA_SPECS): Add netbsd_link_spec and + netbsd_entry_point. + (NETBSD_ENTRY_POINT): Define. + +2002-06-08 Jason Thorpe <thorpej@wasabisystems.com> + + * config/alpha/netbsd.h (SUBTARGET_EXTRA_SPECS): Add + netbsd_link_spec and netbsd_entry_point. + (LINK_SPEC): Use %(netbsd_link_spec). + (NETBSD_ENTRY_POINT): Define. + +2002-06-08 Jason Thorpe <thorpej@wasabisystems.com> + + * config/netbsd-elf.h (LINK_SPEC): Rename to... + (NETBSD_LINK_SPEC_ELF): ...this. Use %(netbsd_entry_point) + to specify program entry point. + +2002-06-07 Jeff Law <law@redhat.com + + * emit-rtl.c (init_emit): Add hard registers to regno_reg_rtx. + * combine.c (move_deaths): Use regno_reg_rtx for hard regs rather + than creating a new register. + (distribute_notes): Likewise. + * df.c (df_reg_use_gen): Likewise. + (df_reg_clobber_gen): Likewise. + (df_ref_record): Likewise. + * expr.c (use_regs): Likewise. + * flow.c (propagate_one_insn): Likewise. + (mark_set_1): Likewise. + (mark_used_reg): Likewise. + * reload.c (emit_reload_insns): Likewise. + +2002-06-07 Roger Sayle <roger@eyesopen.com> + + * simplify-rtx.c (simplify_gen_relational): Simplify RTL of the form + (ne (comp x y) 0) into (comp x y) where comp is a comparison code. + Simplify (eq (comp x y) 0) into (revcomp x y) if the sense of the + comparison code comp can be reversed. + +2002-06-07 Roger Sayle <roger@eyesopen.com> + + * fold-const.c (fold) [EQ_EXPR]: Place both integer and real + constants last in comparisons. Optimize (x+1.0)>0.0 into the + equivalent x > -1.0 when -ffast-math. + +2002-06-07 Jason Thorpe <thorpej@wasabisystems.com> + + * config.gcc (mips*-*-netbsd*): Add mips/t-netbsd to ${tmake_file}. + * config/mips/t-netbsd: New file. + +2002-06-07 Zack Weinberg <zack@codesourcery.com> + + * cppinit.c (COMMAND_LINE_OPTIONS): Give all relevant -W + options their own entries. + (parse_option): Clarify comment. + (cpp_handle_option): Remove 'ignore' parameter and OPT_W + special case. Replace if/strcmp chain for -W options with + use of new OPT_* entries for them. + (cpp_handle_options): Update to match. + * cpplib.h: Remove last parameter to cpp_handle_option from prototype. + * c-decl.c: Update call to cpp_handle_option. + +2002-06-07 Akim Demaille <akim@epita.fr> + + * gengtype-yacc.y (optionseqopt): Add the ending `;' to the action. + Whitespace changes. + +2002-06-07 Jeffrey Law <law@redhat.com> + + * sched-deps.c (free_deps): Avoid calling free_INSN_LIST_list + on empty lists. + +2002-06-07 H.J. Lu (hjl@gnu.org) + + * configure.in: Add --enable-__cxa_atexit. + * configure: Regenerated. + * config.in: Likewise. + + * defaults.h (DEFAULT_USE_CXA_ATEXIT): New. Defined to be 0 if + not defined. + +2002-06-07 Gabriel Dos Reis <gdr@merlin.nerim.net> + + * diagnostic.c (diagnostic_build_prefix): Fix initialization. + +2002-06-07 Jason Thorpe <thorpej@wasabisystems.com> + + * config/mips/netbsd.h (CACHE_FLUSH_FUNC): Define. + +2002-06-07 Jason Merrill <jason@redhat.com> + + * cppexp.c (num_equality_op): Use a temporary variable to work + around gcc 3.0.4 bug. + +2002-06-07 Gabriel Dos Reis <gdr@codesourcery.com> + + * diagnostic.c (diagnostic_build_prefix): Tidy. + +2002-06-07 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpptrad.c (struct block, BLOCK_HEADER_LEN, BLOCK_LEN, + scan_parameters, save_replacement_text, replacement_length): New. + (scan_out_logical_line): Take a macro and save parameters if + non-NULL. + (_cpp_logical_line_trad): Update. + (_cpp_create_trad_definition): Update to handle function-like + macros. + * cpplex.c (new_buff): Update. + (struct dummy, DEFAULT_ALIGNMENT, CPP_ALIGN): Move... + * cpphash.h: ...here. + (CPP_ALIGN2, _cpp_save_parameter): New. + * cppmacro.c (save_parameter): Rename, export. + (parse_params): Update. + +2002-06-07 Andreas Jaeger <aj@suse.de> + + * config/mmix/mmix.c: Remove extra broken prototype for + mmix_init_machine_status. + +2002-06-06 Geoffrey Keating <geoffk@redhat.com> + + * gengtype.c: Add comments before all the routines. + +2002-06-07 Jason Thorpe <thorpej@wasabisystems.com> + + * config.gcc (sh5*-*-netbsd*): Remove sh/t-netbsd-sh5-32 + from and add t-sh64 to ${tmake_file}. + (sh64*-*-netbsd*): Add t-sh64 to ${tmake_file}. + * config/sh/t-netbsd-sh5 (LIB1ASMFUNCS): Remove. + * config/sh/t-netbsd-sh5-32: Remove. + * config/sh/t-netbsd-sh5-64 (MULTILIB_OPTIONS): Use + MULTILIB_ENDIAN. + (MULTILIB_DIRNAMES): Define. + +Thu Jun 6 23:14:46 CEST 2002 Jan Hubicka <jh@suse.cz> + + * i386.md (and promoting splitters): Disable QI to SImode promoting + when doing so changes immediate to be 32bit. + + * rtl.h (emit_*_scope): Declare. + * emit-rtl.c (emit_*_scope): New global functions. + (try_split): Copy scope. + * ifcvt.c (noce_try_store_flag, noce_try_store_flag_constants, + noce_try_flag_inc, noce_try_store_flag_mask, noce_try_cmove, + noce_try_cmove_arith, noce_try_minmax, noce_try_abs, + noce_process_if_block, find_cond_trap): Copy scopes. + * recog.c (peephole2_optimize): likewise. + +2002-06-06 Jeffrey Law <law@redhat.com> + + * h8300.h (OK_FOR_U): Fix thinko exposed by flag checking. + +Thu Jun 6 21:06:25 2002 J"orn Rennecke <joern.rennecke@superh.com> + + * gengtype-lex.l (INITIAL): New rule for "'"("\\".|[^\\])"'". + +2002-06-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * Makefile.in (TEXI_GCCINSTALL_FILES): Define. + ($(docdir)/gccinstall.info): New target. + (info): Depend on it. + (gccinstall.dvi): New target. + (dvi): Depend on it. + * doc/.cvsignore: Ignore new info files. + * doc/install.texi (@setfilename): Reflect new info filename. + +Thu Jun 6 15:57:23 2002 J"orn Rennecke <joern.rennecke@superh.com> + + * sh.c (machine_dependent_reorg): Don't set RTX_UNCHANGING_P + on an UNSPEC. + +Thu Jun 6 07:17:43 2002 Nicola Pero <n.pero@mi.flashnet.it> + + PR objc/6834 + * objc/objc-lang.c (LANG_HOOKS_GET_ALIAS_SET): Define to be + c_common_get_alias_set. + (LANG_HOOKS_SAFE_FROM_P): Define to be c_safe_from_p. + +2002-06-06 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn): New + functions. + * rtl.h (get_first_nonnote_insn, get_last_nonnote_insn): Declare. + * avr/avr.c (avr_output_function_epilogue): Use above to determine + function size. + * pa/pa.c (pa_output_function_prologue): Likewise. + +2002-06-05 David S. Miller <davem@redhat.com> + + * integrate.c (subst_constants): Handle 'B' RTL format. + +2002-06-05 Eric Christopher <echristo@redhat.com> + + * varasm.c (make_decl_rtl): Fix comment for removed + halfpic.c. + +2002-06-05 Eric Christopher <echristo@redhat.com> + + * Makefile.in: Remove missed halfpic bits. + +2002-06-05 Eric Christopher <echristo@redhat.com> + + * toplev.c: Remove half-pic. + * config/mips/mips.c: Ditto. + * config/mips/mips.h: Ditto. Remove unused defines. + * config/mips/openbsd.h: Update comment to reflect above. + * config/mips/mips.md: Remove half-pic constraints. + * halfpic.h: Delete. + * halfpic.c: Ditto. + +2002-06-05 Jeffrey Law <law@redhat.com> + + * pa.h (EXTRA_CONSTRAINT, T case): Further refine so that it + rejects (mem (lo_sum (reg) (unspec))), but will allow + (mem (lo_sum (reg) (symbol_ref)) for PA2.0. + +2002-06-05 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.h (_cpp_create_definition): Update prototype. + (_cpp_push_text_context, _cpp_create_trad_definition): New. + ( cpp_lex_identifier_trad): New. + (_cpp_set_trad_context): New. + * cppinit.c (cpp_finish_options): Don't conditionalize builtins. + * cpplib.c (SEEN_EOL): Update. + (lex_macro_node): Update for -traditional. + (cpp_push_buffer, _cpp_pop_buffer): Similarly. + * cppmacro.c (_cpp_create_definition): Split into + create_iso_definition() and _cpp_create_trad_definition(). + (warn_of_redefinition): Update prototype; handle traditional + macros. + (_cpp_push_text_context): New. + * cpptrad.c (skip_whitespace, push_replacement_text): New. + (lex_identifier): Call ht_lookup with correct start. + (_cpp_lex_identifier_tradm _cpp_create_trad_definition, + _cpp_set_trad_context): New. + (scan_out_logical_line): Update to handle changing contexts. + +Wed Jun 5 20:42:31 2002 J"orn Rennecke <joern.rennecke@superh.com> + + * config.gcc (sh-*-elf*, sh64*-*-elf*): Unify. + (shl*-*-elf*): Add. + * config/sh/t-be (MULTILIB_ENDIAN): Set. + * config/sh/t-le (MULTILIB_ENDIAN): Likewise. + * t-sh (MULTILIB_ENDIAN): Set. + (MULTILIB_OPTIONS): Use it. + * t-sh64 (MULTILIB_OPTIONS): Likewise. + (MULTILIB_DIRNAMES): Likewise. + +2002-06-05 Gabriel Dos Reis <gdr@codesourcery.com> + + * toplev.h (report_error_function): Remove. + + * diagnostic.h (location_t): New datatype. + (text_info): Likewise. + (diagnostic_info): Likewise. + (output_prefix): New macro. + (diagnostic_last_function_changed): Likewise. + (diagnostic_set_last_function): Likewise. + (diagnostic_last_module_changed): Likewise. + (diagnostic_set_last_module): Likewise. + (report_diagnostic): Now macro. + (diagnostic_set_info): Declare. + + * diagnostic.c (report_problematic_module): Rename to + diagnostic_repor_current_module. + (set_diagnostic_context): Remove. + (count_error): Rename to diagnostic_error_count. + (error_function_changed): Remove. + (record_last_error_function): Likewise. + (error_module_changed): Likewise. + (record_last_error_module): Likewise. + (context_as_prefix): Rename to diagnostic_build_prefix. + (flush_diagnostic_buffer): Rename to diagnostic_flush_buffer. + (diagnostic_set_info): New function. + + * objc/objc-act.c: #include diagnostic.h + (error_with_ivar): Adjust call to count_error. + (warn_with_method): Likewise. + * objc/Make-lang.in (objc-act.o): Depend on diagnostic.h + +2002-06-05 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.c (xtensa_build_va_list): Use + lang_hooks.types.make_type instead of make_node; set up + __va_list_tag type decl. + (xtensa_builtin_saveregs): Remove broken use of + RTX_UNCHANGING_P and unnecessary use of MEM_IN_STRUCT_P + for saved registers; add varargs alias set. + +2002-06-05 Neil Booth <neil@daikokuya.demon.co.uk> + +config: + * alpha/gnu.h: Undef TARGET_OS_CPP_BUILTINS. + * i386/beos-elf.h: Use TARGET_OS_CPP_BUILTINS rather than + CPP_PREDEFINES and part of CPP_SPEC. + i386/freebsd-aout.h, i386/gas.h, i386/gnu.h, i386/linux-aout.h, + i386/linux.h, i386/moss.h, i386/xm-vsta.h: Similarly. + +Wed Jun 5 15:20:58 CEST 2002 Jan Hubicka <jh@suse.cz> + + * reg-stack.c (reg_to_stack): Do not call find_basic_blocks. + +2002-06-05 Alan Modra <amodra@bigpond.net.au> + + * config/rs6000/linux64.h (ASM_OUTPUT_SOURCE_LINE): Define. + +2002-06-04 Zack Weinberg <zack@codesourcery.com> + + * gengtype-yacc.y: Make sure all rules end with a semicolon. + +2002-06-04 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.c (xtensa_init_machine_status): Fix + typo in function prototype and include "ggc.h" header. + +2002-06-04 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (mode_mask_operand): Simplify without ifdefs. + (print_operand) ['U']: Likewise. + (alpha_expand_unaligned_store): Correct constants for 32-bit cross. + (alpha_expand_unaligned_store_words): Likewise. + (alpha_expand_builtin_vector_binop): Fix typo. + (enum alpha_builtin, code_for_builtin): Add remaining ext, ins, msk, + umulh, and cix insns. + (one_arg_builtins): Add cix builtins. + (two_arg_builtins): Add ext, ins, msk, umulh builtins. + (alpha_expand_builtin): Fix typo in arity. + * config/alpha/alpha.md (UNSPEC_CTLZ, UNSPEC_CTPOP): New. + (builtin_extbl, builtin_extwl, builtin_extll, builtin_extwh, + builtin_extlh, builtin_insbl, builtin_inswl, builtin_insll, + builtin_insql, builtin_inswh, builtin_inslh, builtin_insqh, + builtin_mskbl, builtin_mskwl, builtin_mskll, builtin_mskql, + builtin_mskwh, builtin_msklh, builtin_mskqh, builtin_cttz, + builtin_ctlz, builtin_ctpop): New. + * doc/extend.texi (Alpha Built-in Functions): Update. + +2002-06-04 Geoffrey Keating <geoffk@redhat.com> + + * gengtype.c (write_gc_root): Don't unnecessarily prevent + global variable-length arrays being roots. + + * config.gcc (powerpc-*-darwin*): Set config_gtfiles. + * configure.in (config_gtfiles): New variable. + (all_gtfiles): Initialize from config_gtfiles. + * configure: Regenerate. + +2002-06-04 Neil Booth <neil@daikokuya.demon.co.uk> + +config/i386: + * beos-elf.h, cygwin.h, djgpp.h, gas.h, gnu.h, i386-interix.h, + i386-interix3.h, i386elf.h, linux-aout.h, linux.h, linux64.h, + mingw32.h, netbsd-elf.h, netbsd.h, netbsd64.h, rtemself.h, + sco5.h, sol2.h, sysv3.h, sysv4.h, sysv5.h, uwin.h, vxi386.h, + win32.h (CPP_SPEC): Remove cpp_cpu. + * i386.h (TARGET_CPU_CPP_BUILTINS): Use. + (CPP_CPU_DEFAULT_SPEC, CPP_CPU_SPEC): Die! + +2002-06-04 Janis Johnson <janis187@us.ibm.com> + + * config/ia64/ia64.c (gen_thread_pointer): Fix variable name. + +2002-06-04 Jeff Law <law@redhat.com. + David Edelsohn <edelsohn@gnu.org> + Michael Matz <matz@kde.org> + + * sched-int.h (struct deps): New field libcall_block_tail_insn. + * sched_deps.c (init_deps): Initialize libcall_block_tail_insn. + * sched_deps.c (sched_analyze_insn): If libcall_block_tail_insn + is set, then mark the current insn as being part of a libcall + scheduling group. + (sched_analyze): Set and clear libcall_block_tail_insn appropriately. + + * haifa-sched.c (schedule_block): Do not count USE or CLOBBER + insns against the issue rate. + +Tue Jun 4 19:29:42 CEST 2002 Jan Hubicka <jh@suse.cz> + + * cfglayout.c (duplicate_insn_chain): Kill NOTE_INSN_RANGE notes. + * final.c (final_scan_insn): Likewise. + * ggc-common.c (ggc_mark_rtx_children_1): Likewise; use + NOTE_EXPECTED_VALUE instead of NOTE_RANGE. + * haifa-sched.c (unlink_other_notes): Likeewise. + (reemit_notes): Likewise. + * print-rtl.c (print_rtx): Likewise. + * sched-deps (sched-analyze): Likewise. + * rtl.c (note_insn_name): Likewise. + * rtl.h (NOTE_RANGE_INFO, NOTE_LIVE_INFO): Kill. + (enum insn_note): Kill NOTE_INSN_RANGE_*, NOTE_INSN_LIVE. + (RANGE_*): Kill. + +2002-06-04 Jason Thorpe <thorpej@wasabisystems.com> + + * varasm.c (mark_constants): Handle RTX format 'B'. + +2002-06-04 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.h (FIRST, LAST, CUR, RLIMIT): New. + (struct cpp_context): Add traditional fields. + * cppmacro.c (paste_all_tokens, push_ptoken_context, + push_token_context, cpp_get_token, _cpp_backup_tokens): Update. + * cpptrad.c (skip_comment, lex_identifier, + _cpp_read_logical_line_trad, scan_out_logical_line): Update. + +2002-06-04 Kazu Hirata <kazu@cs.umass.edu> + + * gbl-ctors.h: Fix formatting. + * gcc.c: Likewise. + * gccspec.c: Likewise. + * gcov.c: Likewise. + * gcov-io.h: Likewise. + * gcse.c: Likewise. + * ggc-common.c: Likewise. + * ggc.h: Likewise. + * ggc-page.c: Likewise. + * ggc-simple.c: Likewise. + * global.c: Likewise. + * graph.h: Likewise. + * gthr-dce.h: Likewise. + * gthr.h: Likewise. + * gthr-posix.h: Likewise. + * gthr-rtems.h: Likewise. + * gthr-solaris.h: Likewise. + * gthr-win32.h: Likewise. + +2002-06-03 Geoffrey Keating <geoffk@redhat.com> + + Merge from pch-branch: + + * gengtype.h (UNION_OR_STRUCT_P): New macro. + * gengtype.c (write_gc_structure_fields): Use it. + (write_gc_root): Use it here too. + + * gengtype.c (write_gc_structure_fields): Assume that lengths + of typenames fit into an 'int'; don't pass a size_t to "%d" in + printf. + (write_gc_marker_routine_for_structure): Likewise. + (write_gc_types): Likewise. + (write_gc_root): Likewise. + + * varray.h (VARRAY_CLEAR): New. + (varray_clear): Prototype. + * varray.c (varray_clear): New. + * cselib.c (reg_values_old): New. + (used_regs_old): New. + (cselib_init): Use cached varrays if available to avoid + generating large amounts of garbage. + (cselib_finish): Don't throw away old varrays. + + * final.c (insn_addresses_): Move out of ifdef. + + * varray.c (uses_ggc): Make more varray kinds GCable. + * varray.h (union varray_data_tag): Let gengtype see + fields 'generic' and 'te'. + * reg-stack.c: Include gt-reg-stack.h, ggc.h. + (stack_regs_mentioned_data): Move out of ifdef; mark with gengtype. + (reg_to_stack): Don't call VARRAY_FREE. + * insn-addr.h (INSN_ADDRESSES_FREE): Don't use VARRAY_FREE. + (insn_addresses_): Use gengtype to mark. + * gengtype.c (write_gc_structure_fields): Handle arrays of generic + pointers; handle generic pointers in unused union fields. + (get_output_file_with_visibility): Include cselib.h, + insn-addr.h in gtype-desc.c. + * function.c (prologue): Use gengtype to mark. + (epilogue): Likewise. + (sibcall_epilogue): Likewise. + * dependence.c: Include gt-dependence.h, ggc.h. + (struct def_use): Use gengtype to mark. + (struct loop): Likewise. + (struct induction): Likewise. + (struct dependence): Likewise. + (def_use_chain): Likewise. + (dep_chain): Likewise. + (loop_chain): Likewise. + (induction_chain): Likewise. + (init_dependence_analysis): Don't free anything, just clear pointers. + (build_def_use): Use GGC to allocate def_use. + (add_loop): Use GGC to allocate loop. + (find_induction_variable): Use GGC to allocate induction. + (check_node_dependence): Use GGC to allocate induction, dependence. + (dump_node_dependence): Don't free varrays. + (end_dependence_analysis): Likewise. + * cselib.h (struct cselib_val_struct): Use gengtype to mark. + (struct elt_loc_list): Likewise. + (struct elt_list): Likewise. + * cselib.c: Don't include obstack.h. + (hash_table): Use gengtype to mark. + (reg_values): Use gengtype to mark. + (used_regs): Use gengtype to mark. + (cselib_obstack): Delete. + (cselib_startobj): Delete. + (empty_vals): Mark as deletable. + (empty_elt_lists): Mark as deletable. + (empty_elt_loc_lists): Mark as deletable. + (new_elt_list): Use GGC to allocate struct elt_list. + (new_elt_loc_list): Use GGC to allocate struct elt_loc_list. + (clear_table): Don't delete obstack; don't unnecessarily clear + deletable variables. + (new_cselib_val): Use GGC to allocate struct cselib_val. + (cselib_init): Don't set up obstacks. Use GGC to allocate + hash table. + (cselib_finish): Just clear variables, don't free anything. + * Makefile.in (cselib.o): Remove dependency on $(OBSTACK_H). + (reg-stack.o): Add dependency on gt-reg-stack.h, $(GGC_H). + (dependence.o): Add dependency on gt-dependence.h, $(GGC_H). + (GTFILES): Add insn-addr.h, cselib.h, dependence.c, reg-stack.c. + (gt-reg-stack.h): New rule. + (gt-dependence.h): New rule. + (gtype-desc.o): Add cselib.h, insn-addr.h. + + * varray.c: Use only necessary headers. + (element_size): New. + (uses_ggc): New. + (varray_init): Take type, not size. Use GGC if appropriate. + (varray_grow): Update for change to struct varray_head_tag. + Use GGC if appropriate. + * varray.h (struct const_equiv_data): Use gengtype. + (enum varray_data_enum): New. + (union varray_data_tag): Use gengtype. + (struct varray_head_tag): Use gengtype. Replace size field with + enum varray_data_enum. + (varray_init): Update prototype. + (VARRAY_SCHED_INIT): Delete. + (VARRAY_*_INIT): Update for change to varray_init. + (VARRAY_SCHED): Delete. + (VARRAY_PUSH_SCHED): Delete. + (VARRAY_TOP_SCHED): Delete. + * tree.h: Update for change to length specifier. + * tree-inline.c (optimize_inline_calls): Don't use VARRAY_FREE. + (clone_body): Likewise. + * ssa.h (ssa_definition): Use gengtype to mark. + * ssa.c (convert_from_ssa): Don't use VARRAY_FREE. + * ssa-dce.c (ssa_eliminate_dead_code): Don't use VARRAY_FREE. + * rtl.h (struct rtvec_def): Update for change to length specifier. + * integrate.c (expand_inline_function): Don't use VARRAY_FREE. + (struct initial_value_struct): Update for change to length specifier. + * ggc.h (ggc_add_rtx_varray_root): Delete prototype. + (ggc_add_tree_varray_root): Delete prototype. + (ggc_mark_rtx_varray): Delete prototype. + (ggc_mark_tree_varray): Delete prototype. + * ggc-common.c (ggc_add_rtx_varray_root): Delete. + (ggc_add_tree_varray_root): Delete. + (ggc_mark_rtx_varray): Delete. + (ggc_mark_tree_varray): Delete. + (ggc_mark_rtx_varray_ptr): Delete. + (ggc_mark_tree_varray_ptr): Delete. + * gengtype.h (enum typekind): Remove TYPE_VARRAY. + (create_varray): Delete prototype. + * gengtype.c (varrays): Delete. + (create_varray): Delete. + (adjust_field_type): Detect array of string pointers. + (process_gc_options): Remove code to handle varray_type option. + (set_gc_used_type): Remove TYPE_VARRAY case. + (output_escaped_param): New. + (write_gc_structure_fields): Use output_escaped_param on all + parameters. Handle 'skip' with 'use_param' option. Handle + arrays of strings. Remove TYPE_VARRAY handling. + (write_gc_roots): Use boolean to detect 'length' option. + * gengtype-yacc.y (VARRAY_TYPE): Delete token. + (struct_fields): Call adjust_field_type on array fields. + (type): Remove VARRAY_TYPE case. + (type_option): Likewise. + * gengtype-lex.l: Don't consider varray_type a keyword. + * function.h: Update for change to length specifier. + (free_eh_status): Delete prototype. + * function.c (free_after_compilation): Don't call free_eh_status. + (reorder_blocks): Don't use VARRAY_FREE. + * except.c (struct eh_status): Update for change to length specifier. + remove varray_type specifier. + (free_eh_status): Delete. + * dwarf2out.c: Include gt-dwarf2out.h. + (used_rtx_varray): Use gengtype to mark, move + outside ifdefs. + (incomplete_types): Likewise. + (decl_scope_table): Likewise. + (dwarf2out_init): Don't call ggc_add_tree_varray_root. + * cfglayout.c (scope_to_insns_finalize): Don't use VARRAY_FREE. + * c-tree.h (struct lang_type): Update for change to length specifier. + * c-parse.in (yylexstring): Don't use VARRAY_FREE. + * c-objc-common.c: Include gt-c-objc-common.h. + (deferred_fns): Mark for gengtype. + (c_objc_common_init): Don't call ggc_add_tree_varray_root. + (expand_deferred_fns): Just set deferred_fns to 0 to free it. + * Makefile.in (c-objc-common.o): Add gt-c-objc-common.h. + (gtype-desc.o): Update dependencies. + (dwarf2out.o): Add gt-dwarf2out.h. + (varray.o): Update dependencies. + (GTFILES): Add varray.h, ssa.h, dwarf2out.c, c-objc-common.c. + (gt-c-objc-common.h): New rule. + (gt-dwarf2out.h): New rule. + * objc/objc-act.c (build_objc_string_object): Don't use VARRAY_FREE. + + * doc/gty.texi (GTY Options): Correct spelling. + (GGC Roots): Likewise. + * Makefile.in (TEXI_CPP_FILES): New. + (TEXI_GCC_FILES): New. + (TEXI_GCCINT_FILES): New. + (TEXI_CPPINT_FILES): New. + ($(docdir)/cpp.info): Use new macros. + ($(docdir)/gcc.info): Likewise. + ($(docdir)/gccint.info): Likewise. + ($(docdir)/cppinternals.info): Likewise. + (cpp.dvi): Likewise. + (gcc.dvi): Likewise. + (gccint.dvi): Likewise. + (cppinternals.dvi): Likewise. + + * Makefile.in ($(docdir)/gccint.info): Depend on gty.texi. + * doc/gccint.texi (Top): Include gty.texi. + * doc/gty.texi: New file. + + * bitmap.c: Include ggc.h, gt-bitmap.h. + (bitmap_ggc_free): New. + (bitmap_elem_to_freelist): New. + (bitmap_element_free): Use bitmap_elem_to_freelist. + (bitmap_element_allocate): Allow use of GGC. + (bitmap_clear): Use bitmap_elem_to_freelist. + (bitmap_copy): Update for change to bitmap_element_allocate. + (bitmap_set_bit): Likewise. + (bitmap_operation): Update for changes elsewhere. + (bitmap_initialize): Allow to create bitmaps that will use GGC. + * bitmap.h (struct bitmap_element_def): Use gengtype. + (struct bitmap_head_def): Likewise. Also add 'using_obstack' field. + (bitmap_initialize): Add extra parameter. + (BITMAP_OBSTACK_ALLOC): Update for change to bitmap_initialize. + (BITMAP_ALLOCA): Delete. + (BITMAP_XMALLOC): Update for change to bitmap_initialize. + (BITMAP_GGC_ALLOC): New. + * Makefile.in (gtype-desc.o): Add bitmap.h. + (bitmap.o): Add gt-bitmap.h, $(GGC_H). + (GTFILES): Add bitmap.c. + (gt-bitmap.h): New rule. + ($(HOST_PREFIX_1)bitmap.o): Add gt-bitmap.h. + * basic-block.h: Update for changes to bitmap_initialize. + * except.c (exception_handler_label_map): Move into... + (struct eh_status): Here. + (struct eh_region): Make 'aka' GCable. + (free_eh_status): Don't need to specially handle + exception_handler_label_map. + (add_ehl_entry): Update for changes to exception_handler_label_map. + (find_exception_handler_labels): Likewise. + (remove_exception_handler_label): Likewise. + (maybe_remove_eh_handler): Likewise. + (for_each_eh_label): Likewise. + (remove_eh_handler): Allocate 'aka' using GGC. + * gengtype.c (get_output_file_with_visibility): Add bitmap.h + to list of includes. + + * gengtype.c (write_gc_marker_routine_for_structure): Name + the routines 'gt_ggc_mx_*' instead of 'gt_ggc_m_*'. + (write_gc_types): Arrange for the tests with NULL to be inlined. + (write_gc_roots): Update uses of procedure pointers. + * ggc-common.c (gt_ggc_mx_rtx_def): Rename from gt_ggc_m_rtx_def. + + * Makefile.in (explow.o): Add dependency on gt-explow.h. + (sdbout.o): Add dependency on gt-sdbout.h. + + * emit-rtl.c (const_int_htab): Use gengtype to clear unused entries. + (mem_attrs_htab): Likewise. + (init_emit_once): Don't call ggc_add_deletable_htab. + * fold-const.c (size_htab): Use gengtype to clear unused entries. + (size_int_type_wide): Don't call ggc_add_deletable_htab. + * gengtype.c (finish_root_table): Add LASTNAME and TNAME + parameters, use them, change callers. + (write_gc_root): Add IF_MARKED parameter, use it, change callers. + (write_gc_roots): Handle 'if_marked' option. + (main): Don't need to call set_gc_used_type any more. + * ggc.h (ggc_htab_marked_p): Delete. + (ggc_htab_mark): Delete. + (struct ggc_cache_tab): New. + (gt_ggc_cache_rtab): New declaration. + * ggc-common.c (struct d_htab_root): Delete. + (d_htab_roots): Delete. + (ggc_add_deletable_htab): Delete. + (ggc_htab_delete): Handle new htab-deleting mechanism. + (ggc_mark_roots): Use new htab-deleting mechanism. + * tree.c (type_hash_table): Use gengtype to clear unused entries. + Make static. + (init_obstacks): Don't call ggc_add_deletable_htab. + + * objc/objc-act.h (struct hashed_attribute): Use gengtype. + (struct hashed_entry): Likewise. + (nst_method_hash_list): Likewise. + (cls_method_hash_list): Likewise. + (HASH_ALLOC_LIST_SIZE): Delete. + (ATTR_ALLOC_LIST_SIZE): Delete. + * objc/objc-act.c (hash_init): Use ggc to allocate + nst_method_hash_list, cls_method_hash_list. + (hash_enter): Use ggc to allocate; allocate one entry at a time. + (hash_add_attr): Likewise. + (ggc_mark_hash_table): Delete. + (objc_act_parse_init): Delete. + (objc_init): Delete reference to objc_act_parse_init. + * tlink.c: Replace hash.h with hashtab.h. Explicitly include + obstack.h. Replace references to 'struct hash_table' with htab_t. + (struct symbol_hash_entry): Replace hash header with key field. + (struct file_hash_entry): Replace hash header with key field. + (struct demangled_hash_entry): Replace hash header with key field. + (hash_string_eq): New. + (hash_string_hash): New. + (symbol_hash_newfunc): Delete. + (symbol_hash_lookup): Modify to use htab_t. + (file_hash_newfunc): Delete. + (file_hash_lookup): Modify to use htab_t. + (demangled_hash_newfunc): Delete. + (demangled_hash_lookup): Modify to use htab_t. + (tlink_init): Modify to use htab_t. + * hash.h: Delete. + * hash.c: Delete. + * ggc.h: Delete forward structure declarations. + Delete prototypes for deleted functions. + * ggc-common.c: Don't include hash.h. + (ggc_add_tree_hash_table_root): Delete. + (ggc_mark_tree_hash_table_entry): Delete. + (ggc_mark_tree_hash_table): Delete. + (ggc_mark_tree_hash_table_ptr): Delete. + * gengtype.c (write_gc_structure_fields): Allow param_is option. + (write_gc_marker_routine_for_structure): Use visibility of + the parameter if there is one. + * function.c: Replace hash.h with hashtab.h. Replace references + to 'struct hash_table *' with htab_t. + (struct insns_for_mem_entry): Include a plain key. + (fixup_var_refs_insns_with_hash): Update to use htab_t. + (insns_for_mem_newfunc): Delete. + (insns_for_mem_hash): Update to use htab_t. + (insns_for_mem_comp): Likewise. + (insns_for_mem_walk): Likewise. + * c-lang.c: Include ggc.h. + * Makefile.in (OBJS): Remove hash.o. + (c-lang.o): Add GGC_H. + (COLLECT2_OBJS): Remove hash.o. + (tlink.o): Remove hash.h, add HASHTAB_H and OBSTACK_H. + (ggc-common.o): Remove hash.h. + (function.o): Remove hash.h, add HASHTAB_H. + (genautomata.o): Remove hash.h, add HASHTAB_H. + + * varasm.c (mark_const_str_htab_1): Delete. + (mark_const_str_htab): Delete. + (const_str_htab_del): Delete. + (const_str_htab): Use gengtype to mark. + (init_varasm_once): Use gengtype to mark hashtables. Use GC to + allocate them. + * tree.c (mark_tree_hashtable_entry): Delete. + (mark_tree_hashtable): Delete. + * tree.h (mark_tree_hashtable): Delete prototype. + * ggc.h (ggc_test_and_set_mark): Treat (void *)1 like NULL. + (ggc_mark): Likewise. + (ggc_calloc): New. + (htab_create_ggc): New. + * ggc-common.c (ggc_calloc): New. + * gengtype.h (enum typekind): Add TYPE_PARAM_STRUCT. + (struct type): Add param_struct structure. + * gengtype.c (param_structs): New. + (adjust_field_type): Handle param_is option. + (set_gc_used_type): Handle TYPE_PARAM_STRUCT. + (get_output_file_with_visibility): Include hashtab.h in gtype-desc.c. + (write_gc_structure_fields): Add new PARAM parameter. Update + callers. Handle use_param option. Handle TYPE_PARAM_STRUCT. + (write_gc_marker_routine_for_structure): Add new PARAM parameter. + Use it to generate function name. Update callers. + (write_gc_types): Add new PARAM_STRUCTS parameter. Update callers. + Process them. + (write_gc_roots): Handle TYPE_PARAM_STRUCT. Allow param_is + option. + (main): Define PTR as pointer-to-scalar. Don't specially + mark deferred_string or ehl_map_entry. + * gengtype-yacc.y (PARAM_IS): Add new token. + (externstatic): Use adjust_field_type. + (type_option): Add PARAM_IS. + * gengtype-lex.l: Add rule for typedef of function pointers. + Add rule for PARAM_IS. + (IWORD): Add size_t. + * except.c (exception_handler_label_map): Use gengtype to mark. + (type_to_runtime_map): Likewise. + (mark_ehl_map_entry): Delete. + (mark_ehl_map): Delete. + (init_eh): Use gengtype for roots; use GC to allocate hash tables. + (t2r_mark_1): Delete. + (t2r_mark): Delete. + * Makefile.in (gtype-desc.o): Correct dependencies. + (GTFILES): Add hashtab.h. + (genautomata.o): Actually uses hashtab.h. + + * Makefile.in (stringpool.o): Add $(GGC_H). + (dwarf2asm.o): Likewise. + (GTFILES): Add hashtable.h. + * c-common.h (struct c_common_identifier): Use gengtype. + * c-decl.h (c_mark_tree): Delete. + * c-lang.c (LANG_HOOKS_MARK_TREE): Delete. + * c-tree.h (struct lang_identifier): Use gengtype. + (union lang_tree_node): New. + (c_mark_tree): Delete prototype. + * dwarf2out.c [!DWARF2_DEBUGGING_INFO]: Define dummy + dwarf2_debug_hooks. + * gengtype-lex.l (IWORD): Allow 'bool'. + (ptr_alias): Match. + * gengtype-yacc.y (ALIAS): New token. + (type_option): New rule. + (option): Use type_option. + * gengtype.c (process_gc_options): New. + (set_gc_used_type): Use it. + (write_gc_structure_fields): Add 'bitmap' parameter, change callers. + Add new variable 't' to hold the type of the field being processed. + Add more error checking. Use UNION_P when looking at 'desc' option. + Handle language-specific structures containing other + language-specific structures. + (write_gc_types): Handle 'ptr_alias' option. + (main): Don't need to specially output lang_type, lang_decl, lang_id2. + * ggc-common.c (ggc_pending_trees): Delete. + (ggc_mark_roots): Don't manipulate ggc_pending_trees. + (ggc_mark_trees): Delete. + (gt_ggc_m_tree_node): Delete. + * ggc.h (ggc_pending_trees): Delete. + (ggc_mark_tree): Make alias of gt_ggc_m_tree_node. + * hashtable.h (ht_identifier): Use gengtype. + * langhooks-def.h (LANG_HOOKS_MARK_TREE): Delete. + * langhooks.h (struct lang_hooks): Delete mark_tree. + * sdbout.c [! SDB_DEBUGGING_INFO]: Define dummy sdb_debug_hooks + anyway. + * system.h: Poison LANG_HOOKS_MARK_TREE. + * tree.c (tree_node_structure): New. + * tree.h (struct tree_common): Use gengtype. + (struct tree_int_cst): Likewise. + (struct tree_real_cst): Likewise. + (struct tree_string): Likewise. + (struct tree_complex): Likewise. + (struct tree_vector): Likewise. + (struct tree_identifier): Likewise. + (struct tree_list): Likewise. + (struct tree_vec): Likewise. + (struct tree_exp): Likewise. + (struct tree_block): Likewise. + (struct tree_type): Likewise. + (struct tree_decl): Likewise. + (enum tree_structure_enum): New. + (union tree_node): Use gengtype, with an alias. + (tree_node_structure): Prototype. + * objc/objc-lang.c (LANG_HOOKS_MARK_TREE): Delete. + + Merge to tag pch-merge-20020430. The LANG_HOOKS_FUNCTION_MARK + macro was deleted. The LANG_HOOKS_FUNCTION_FREE macro was renamed + to LANG_HOOKS_FUNCTION_FINAL. + * Makefile.in (GTFILES): Add bitmap.h. + * except.c (struct eh_region): Mark field 'aka' to be skipped. + + * config/alpha/alpha.c [TARGET_ABI_UNICOSMK] + (alpha_init_machine_status): Give proper type. + * Makefile.in (c-lang.o): Depend on gtype-c.h. + (optabs.o): Depend on gt-optabs.h. + (GTFILES): Add optabs.o. + (gt-optabs.h): Add rule. + * optabs.c: Include gt-optabs.h. + + * gengtype.c (set_gc_used_type): Correct some errors in last change. + (write_gc_structure_fields): If a field which should be NULL is + not, abort. + * c-pragma.c: Move struct align_stack and variable alignment_stack + out from the ifdef. + + * config/xtensa/t-xtensa: Add dependencies for gt-xtensa.h. + * config/xtensa/xtensa.c: Include gt-cris.h. + (struct machine_function): Use gengtype to mark. + * config/mmix/mmix.h (struct machine_function): Use gengtype + to mark. + * config/cris/t-cris: Add dependencies for gt-cris.h. + * config/cris/cris.c: Include gt-cris.h. + (struct machine_function): Use gengtype to mark. + * config/rs6000/rs6000.h (struct machine_function): Use gengtype + to mark. + * doc/tm.texi (Per-Function Data): Delete references to + mark_machine_status. + * config/ia64/ia64.c (ia64_override_options): Don't set + mark_machine_status. + * config/i386/i386.c (override_options): Likewise. + * config/d30v/d30v.c (d30v_init_expanders): Likewise. + * config/arm/arm.c (arm_init_expanders): Likewise. + * config/alpha/alpha.c (override_options): Likewise. + * gengtype.h (enum gc_used_enum): Add GC_MAYBE_POINTED_TO. + * gengtype.c (set_gc_used_type): Handle 'maybe_null' option. + (write_gc_structure_fields): Don't handle 'really' option. + Handle 'maybe_null' option. + (write_gc_types): Handle 'maybe_null' option. + * function.h (struct function): Don't use "really". + (mark_machine_status): Delete declaration. + (mark_lang_status): Delete declaration. + (gt_ggc_mr_machine_function): Delete prototype. + (gt_ggc_mr_language_function): Delete prototype. + * function.c (mark_machine_status): Delete. + (mark_lang_status): Delete. + (gt_ggc_mr_machine_function): Delete. + (gt_ggc_mr_language_function): Delete. + * c-tree.h (mark_c_function_context): Delete prototype. + * c-objc-common.c (c_objc_common_init): Don't set mark_lang_status. + * c-decl.c (struct language_function): Rename from struct + c_language_function. Update uses. Use gengtype to mark. + (mark_c_function_context): Delete. + * c-common.h (struct c_language_function): Rename from struct + language_function. + (mark_stmt_tree): Delete prototype. + (c_mark_lang_decl): Delete prototype. + (mark_c_language_function): Delete prototype. + * c-common.c (mark_stmt_tree): Delete. + (c_mark_lang_decl): Delete. + (mark_c_language_function): Delete. + + * gengtype.h (enum typekind): Add TYPE_LANG_STRUCT. + (lang_bitmap): New typedef. Use where appropriate. + (struct type): Add gc_used field, lang_struct field. + (UNION_P): New macro. + (new_structure): New prototype. + (find_structure): Remove 'pos' parameter. Change all callers. + * gengtype-lex.l: Update for changes to find_structure. + * gengtype-yacc.y (typedef_struct): Use new_structure. + (yacc_ids): Suppress warning. + (type): Use new_structure. + * gengtype.c (string_type): Update for changes to struct type. + (find_structure): Just find a structure, don't worry about + creating one. + (new_structure): New. + (note_yacc_type): Use new_structure. + (set_gc_used_type): New. + (set_gc_used): New. + (write_gc_structure_fields): Allow for pointers to TYPE_LANG_STRUCT. + (write_gc_types): Handle TYPE_LANG_STRUCT. + (write_gc_marker_routine_for_structure): New. + (main): Call set_gc_used. Add some calls to set_gc_used_type + for places where GCC doesn't use gengtype properly yet. + * ggc.h (gt_ggc_m_rtx_def): Don't prototype. + (gt_ggc_m_tree_node): Likewise. + + * varasm.c (copy_constant): Call expand_constant if we hit + something we can't recognize. + + * ggc-common.c (ggc_mark_rtvec_children): Delete. + (ggc_mark_rtx_children): Use generic name for ggc_mark_rtvec. + (lang_mark_false_label_stack): Delete. + * rtl.h (struct rtvec_def): Use gengtype to mark. + * ggc.h (ggc_mark_rtvec): Delete. + (gt_ggc_m_rtvec_def): Delete. + (ggc_mark_nonnull_tree): Delete. + (ggc_mark_rtvec_children): Delete prototype. + (lang_mark_false_label_stack): Delete declaration. + + * gengtype.h (note_yacc_type): Add prototype. + * gengtype.c (note_yacc_type): New function. + * gengtype-lex.l: Add lexer support for yacc files. + * gengtype-yacc.y (start): Extract union from yacc files. + (yacc_union): New rule. + (yacc_typematch): New rule. + (yacc_ids): New rule. + (enum_items): Tweak for efficiency. + (optionseq): Likewise. + + * c-common.h (struct language_function): Use gengtype. + (struct c_lang_decl): Likewise. + * c-tree.h (struct lang_decl): Likewise. + (struct lang_type): Likewise. + * c-decl.c (lang_mark_tree): Use generated marker routines to mark + tree language substructures. + + * stringpool.c (mark_ident): Replace ggc_mark_nonnull_tree with + ggc_mark_tree. + * dwarf2asm.c (mark_indirect_pool_entry): Likewise. + + * varasm.c (struct rtx_const): Remove 'skip' tags for scalar arrays. + + * stmt.c (struct nesting): Add discriminator. Use gengtype to + mark. Remove 'data.block.cleanup_ptr' field. + (struct stmt_status): Use usual technique to mark struct nesting. + (gt_ggc_mr_nesting_cond): Delete. + (gt_ggc_mr_nesting_loop): Delete. + (gt_ggc_mr_nesting_block): Delete. + (gt_ggc_mr_nesting_case_stmt): Delete. + (expand_start_cond): Set discriminator. + (expand_start_loop): Likewise. + (expand_start_null_loop): Likewise. + (expand_start_bindings_and_block): Set discriminator. Don't set + deleted fields. + (expand_decl_cleanup): Replace 'cleanup_ptr' with + &thisblock->data.block.cleanups. + (expand_start_case): Set discriminator. + (expand_start_case_dummy): Set discriminator. + + * ggc-callbacks.c: Remove. + + * gengtype.h (struct type): Add 'u.s.bitmap' field. + (find_structure): Add 'pos' parameter. + * gengtype-lex.l: Update callers to find_structure. + * gengtype-yacc.y: Likewise. + * gengtype.c (find_structure): Allow for structures to be defined + in multiple language backends. + (get_output_file_with_visibility): Include debug.h in gtype-desc.c. + (counter): Rename to gc_counter. + (write_gc_structure_fields): Fail when writing out fields for + an incomplete structure. Ignore arrays of scalars. Handle + 'tree_vec' special. + (write_gc_types): Reset counter for each procedure written. + + * stmt.c (add_case_node): Use GGC to allocate struct case_node. + (free_case_nodes): Delete. + (expand_end_case_type): Delete call to free_case_nodes. + + * Makefile.in (cselib.o): Include gt-<filename>.h. + (gcse.o): Likewise. + (profile.o): Likewise. + (alias.o): Likewise. + (GTFILES): Add alias.c, cselib.c, gcse.c, profile.c, and + alphabetize backend files. + (gt-alias.h, gt-cselib.h, gt-gcse.h, gt-profile.h): New rules. + * alias.c: Use gengtype for roots. + * c-common.h (struct stmt_tree_s): Use gengtype. + * c-decl.c: Use gengtype for roots. + * cselib.c: Use gengtype for roots. + * expr.c: Use gengtype for roots. + * fold-const.c: Use gengtype for roots. + * gcse.c: Use gengtype for roots. + * gengtype-lex.l: Handle typedefs of function types. + Allow for empty array bounds. + Allow processing to stop on initializers. + * gengtype-yacc.y (externstatic): Stop processing on initializers. + (semiequal): New rule. + * gengtype.c (create_file): Tidy output files. + (get_output_file_with_visibility): Fix paren warning. Fix bug + involving multiple input files mapping to one output file. + (write_gc_structure_fields): Skip arrays of scalars. + (write_gc_types): Tidy output files. + (write_gc_root): New function. + (write_gc_roots): Fix bugs, add support for roots that are + structures. + * ggc-common.c (ggc_mark_rtx_ptr): Delete. + (ggc_mark_tree_ptr): Delete. + (ggc_add_rtx_root): Delete. + (ggc_add_tree_root): Delete. + (ggc_del_root): Delete. + * integrate.c (get_func_hard_reg_initial_val): Use ggc_alloc to + allocate struct initial_value_struct. + * profile.c: Use gengtype for roots. + * sdbout.c: Use gengtype for roots. + * varasm.c (mark_weak_decls): Delete unused prototype. + (mark_const_hash_entry): Delete unused function. + * config/darwin-protos.h: Use gengtype for roots. + (machopic_add_gc_roots): Delete. + * config/arm/arm.c: Use gengtype for roots. + * config/arm/arm.h: Use gengtype for roots. + * config/c4x/c4x-protos.h: Use gengtype for roots. + * config/c4x/c4x.c (c4x_add_gc_roots): Delete. + * config/d30v/d30v-protos.h: Use gengtype for roots. + * config/d30v/d30v.c (d30v_add_gc_roots): Delete. + * config/dsp16xx/dsp16xx.c (override_options): Use gengtype for roots. + * config/dsp16xx/dsp16xx.h: Use gengtype for roots. + * config/ia64/ia64-protos.h: Use gengtype for roots. + * config/ia64/ia64.c (ia64_add_gc_roots): Delete. + * config/m68hc11/m68hc11-protos.h: Use gengtype for roots. + * config/m68hc11/m68hc11.c (z_reg): Make global. + (z_reg_qi): Make global. + (m68hc11_add_gc_roots): Delete. + * config/mcore/mcore-protos.h: Use gengtype for roots. + * config/mcore/mcore.c (mcore_add_gc_roots): Delete. + * config/mips/mips.c (mips_add_gc_roots): Delete. + * config/mips/mips.h: Use gengtype for roots. + * config/mmix/mmix.c (override_options): Use gengtype for roots. + * config/mmix/mmix.h: Use gengtype for roots. + * config/mn10200/mn10200.c (asm_file_start): Use gengtype for roots. + * config/mn10200/mn10200.h: Use gengtype for roots. + * config/pa/pa.c: Use gengtype for roots, marking. + (struct deferred_plabel): Use GGC, gengtype. + (pa_add_gc_roots): Delete. + (mark_deferred_plabels): Delete. + * config/pj/pj-protos.h: Use gengtype for roots. + * config/pj/pj.h (OVERRIDE_OPTIONS): Don't define. + * config/rs6000/rs6000.c: Use gengtype for roots. Don't call + machopic_add_gc_roots. + * config/rs6000/rs6000.h: Use gengtype for roots. + * config/rs6000/t-darwin (darwin.o): Add dependency on gt-darwin.h. + (gt-darwin.h): Add rule. + * config/sh/sh.c: Use gengtype for roots. + * config/sh/t-sh ($(out_object_file)): Add dependency on gt-sh.h. + (gt-sh.h): Add rule. + * config/sparc/sparc.c: Use gengtype for roots. + (sparc_add_gc_roots): Delete. + (struct ultrasparc_pipeline_state): Use GGC, gengtype. + (mark_ultrasparc_pipeline_state): Delete. + * config/sparc/sparc.h: Use gengtype for roots. + + * Makefile.in (c-parse.o): Update dependencies. + (c-common.o): Likewise. + (GTFILES): Add c-common.h, c-tree.h, c-common.c, c-parse.in. + Add dependencies for the files they generate. + * c-common.c: Replace ggc_add_* uses with GTY annotations. + * c-common.h: Likewise. + * c-decl.c: Likewise. + (gt_ggc_mp_binding_level): Delete. + * c-lang.c: Include gtype-c.h. + * c-parse.in: Replace ggc_add_* uses with GTY annotations. Include + gt-c-parse.h. + * c-pragma.h: Replace ggc_add_* uses with GTY annotations. + (gt_ggc_mp_align_stack): Delete. + * c-tree.h: Replace ggc_add_* uses with GTY annotations. + * function.c: Replace ggc_add_* uses with GTY annotations. + (gt_ggc_mp_function): Delete. + * function.h: Replace ggc_add_* uses with GTY annotations. + * gengtype.c (lang_names): New. + (NUM_BASE_FILES): New. + (open_base_files): Create language base files. + (startswith): New. + (get_file_basename): New. + (get_base_file_bitmap): New. + (get_output_file_with_visibility): Rename from get_output_file. + Add more mappings for various C/Objc filenames. + (finish_root_table): New. + (write_gc_roots): Handle dependencies and scoping properly. + * gengtype.h: Add prototypes for new functions. + * ggc-common.c (struct deletable_root): Delete. + (deletables): Delete. + (ggc_add_deletable_root): Delete. + (ggc_mark_roots): No need to deal with deleted functionality. + * ggc.h (ggc_add_deletable_root): Delete prototype. + * objc/Make-lang.in (objc-act.o): Add gtype-objc.h dependency. + (gtype-objc.h): Add rule to create. + * objc/config-lang.in (gtfiles): New. + * objc/objc-act.c: Allocate imp_list using GGC. Replace uses of + ggc_add_* with GTY markers. Include gtype-objc.h. + (ggc_mark_imp_list): Delete. + * objc/objc-act.h: Replace uses of ggc_add_* with GTY markers. + * objc/objc-lang.c: Random Whitespace Change. + + * except.h (exception_handler_labels): Delete. + (get_exception_handler_labels): New. + * except.c (exception_handler_labels): Delete. + (struct eh_status): Add exception_handler_labels field. + (doing_eh): Don't add exception_handler_labels as root. + (free_eh_status): Don't need to free exception_handler_labels. + (get_exception_handler_labels): New. + (find_exception_handler_labels): Update for move of + exception_handler_labels. + (remove_exception_handler_label): Likewise. + * cfgrtl.c (can_delete_label_p): Use get_exception_handler_labels. + * jump.c (rebuild_jump_labels): Likewise. + * loop.c (find_and_verify_loops): Likewise. + * sched-rgn.c (is_cfg_nonregular): Likewise. + + * gengtype.c (write_gc_structure_fields): Handle variable-length + TYPE_ARRAYs. + + * varasm.c (struct weak_syms): Use GGC, gengtype. + (mark_weak_decls): Delete. + (weak_decls): Likewise. + (add_weak): Likewise. + (remove_from_pending_weak_list): Likewise. + (init_varasm_once): Likewise. + + * Makefile.in (gtype-desc.o): Add libfuncs.h dependency. + (GTFILES): Add tree.h, libfuncs.h, emit-rtl.c, explow.c, + stor-layout.c, regclass.c, and lists.c. + Add dependencies of gt-emit-rtl.h gt-explow.h gt-stor-layout.h + gt-regclass.h and gt-lists.h on s-gtype. + * emit-rtl.c: Use gengtype for roots. Include gt-emit-rtl.h. + * except.c: Use gengtype for roots. + * explow.c: Use gengtype for roots. Include gt-explow.h. + * expr.h (init_stor_layout_once): Delete prototype. + * function.c: Use gengtype for roots. + * gengtype-lex.l: Add ENT_EXTERNSTATIC lexing. + * gengtype-yacc.y (start): Can also be an externstatic. + (externstatic): New production. + (struct_fields): Correct array bounds inversion for 2-d arrays. + * gengtype.c (variables): New variable. + (note_variable): New function. + (get_output_file): Include libfuncs.h into gtype-desc.c. + (get_output_file_name): New function. + (write_gc_structure_fields): Suppress warnings. + (write_gc_types): Make static. + (put_mangled_filename): New function. + (write_gc_roots): New function. + (main): Call write_gc_roots. + * gengtype.h (note_variable): Prototype. + (get_output_file_name): Prototype. + (write_gc_types): Delete prototype. + * ggc.h: Clean up unnecessary structure predefinitions. + (struct ggc_root_tab): Define. + (gt_ggc_m_rtx_def): Make function, not macro. + (gt_ggc_m_tree_node): Likewise. + * libfuncs.h: Use gengtype for roots. + * lists.c: Use gengtype for roots. Include gt-lists.h. + (init_EXPR_INSN_LIST_cache): Delete. + * optabs.c: Use gengtype for roots. + (gt_ggc_mp_optab): Delete. + * optabs.h: Use gengtype for roots. + * regclass.c: Use gengtype for roots. Include gt-regclass.h. + * rtl.h: Use gengtype for roots. + (init_EXPR_INSN_LIST_cache): Delete prototype. + * stor-layout.c: Use gengtype for roots. + Include gt-stor-layout.h. + (init_stor_layout_once): Delete. + * toplev.c: Use gengtype for roots. Delete calls to deleted + routines. + * tree.c: Use gengtype for roots. + * tree.h: Use gengtype for roots. + * varasm.c: Use gengtype for roots. + + * Makefile.in (GTFILES): Add @all_gtfiles@. + * configure: Regenerate. + * configure.in: Construct all_gtfiles from the gtfiles definitions + in config-lang.in. + * gengtype-yacc.y (type): Warn about duplicate structure names. + * gengtype.c (get_output_file): Handle .c files in language + subdirectories. + + * Makefile.in (GTFILES): Run gengtype on all the config files + and on the target .c file. + * except.c (mark_eh_region): Delete. + (init_eh_for_function): Use GGC on struct eh_status. + (mark_eh_status): Delete. + (free_eh_status): Use GGC. + (expand_eh_region_start): Use GGC to + (collect_eh_region_array): Allocate last_region_number using GGC. + (duplicate_eh_region_1): Use GGC to allocate struct eh_region. + (remove_eh_handler): Let GGC free struct eh_region. + (add_call_site): Use GGC to reallocate call_site_record array. + * function.c (init_machine_status): Update calling sequence. + (mark_machine_status): Likewise. + (mark_lang_status): Likewise. + (prepare_function_start): Update init_machine_status call. + (mark_function_status): Delete. + (maybe_mark_struct_function): Delete. + (ggc_mark_struct_function): Delete. + (gt_ggc_mp_function): New. + (gt_ggc_mr_machine_function): New. + (gt_ggc_mr_language_function): New. + (init_function_once): Use canonical names. + * function.h (struct function): Use gengtype. + (init_machine_status): Return the structure. + (mark_machine_status): Take a 'void *'. + (mark_lang_status): Likewise. + * ggc-common.c (ggc_mark_trees): Use canonical name for + ggc_mark_struct_function. + * tree.h (ggc_mark_struct_function): Delete prototype. + * config/alpha/alpha.c (alpha_mark_machine_status): Delete. + (alpha_init_machine_status): Likewise. + (override_options): Use canonical name for alpha_mark_machine_status. + * config/alpha/unicosmk.h (struct machine_function): Use gengtype. + * config/arm/arm.h (struct machine_function): Use gengtype. + * config/arm/arm.c (arm_mark_machine_status): Delete. + (arm_init_machine_status): Update calling sequence. + (arm_init_expanders): Use canonical name for arm_mark_machine_status. + * config/cris/cris.c (cris_init_machine_status): Update + calling sequence. + * config/d30v/d30v.h (struct machine_function): Use gengtype. + * config/d30v/d30v.c (d30v_init_machine_status): Update + calling sequence. + (d30v_mark_machine_status): Delete. + * config/i386/i386.c: Include gt-i386.h. + (struct machine_function): Use gengtype. + (ix86_init_machine_status): Update calling sequence. + (ix86_mark_machine_status): Delete. + (override_options): Use canonical namke for ix86_mark_machine_status. + * config/ia64/ia64.h (struct machine_function): Use gengtype. + * config/ia64/ia64.c (ia64_init_machine_status): Update calling + sequence. + (ia64_mark_machine_status): Delete. + (ia64_override_options): Use canonical name for + ia64_mark_machine_status. + * config/mmix/mmix.c (mmix_init_machine_status): Update calling + sequence. + * config/rs6000/rs6000.c (rs6000_init_machine_status): Likewise. + * config/xtensa/xtensa.c (xtensa_init_machine_status): Likewise. + * gengtype.c (get_output_file): Fix warning. + (main): Add prototype to suppress warning. + * tree.c: Remove tree_hash_mark prototype. + + * tree.h (init_stmt): Delete prototype. + * toplev.c (lang_independent_init): Don't call init_stmt. + * stmt.c (ALLOC_NESTING): Use GGC for 'struct nesting'. + (stmt_obstack): Delete. + (POPSTACK): No need to free 'struct nesting'. + (gt_ggc_mr_nesting_cond): Use canonical names. + (gt_ggc_mr_nesting_loop): Use canonical names. + (gt_ggc_mr_nesting_block): Use canonical names. + (gt_ggc_mr_nesting_case_stmt): Use canonical names. + (mark_stmt_status): Delete. + (init_stmt): Delete. + (clear_last_expr): Clear both last_expr_type and last_expr_value. + Use it everywhere that last_expr_type was cleared. + * lists.c (init_EXPR_INSN_LIST_cache): Use ggc_add_deletable_root. + (zap_lists): Delete. + * ggc.h (ggc_add_deletable_root): Prototype. + (mark_stmt_status): Remove prototype. + * ggc-common.c (ggc_add_deletable_root): New. + (ggc_mark_roots): Handle deletable roots. + * function.c (ggc_mark_struct_function): Use canonical name + for mark_stmt_status. + * emit-rtl.c (free_sequence_stack): New. + (start_sequence): Use a freelist for sequences. + (end_sequence): Likewise. + (init_emit_once): Add free_sequence_stack as a deleteable root. + * c-pragma.c Include gt-c-pragma.h. + (struct align_stack): Use gengtype. + (push_alignment): Use GGC for struct align_stack. + (mark_align_stack): Delete. + (gt_ggc_mp_align_stack): New. + (init_pragma): Use canonical name for mark_align_stack. + * c-decl.c: Include gt-c-decl.h. + (struct binding_level): Use gengtype. + (make_binding_level): Use GGC; handle the freelist here. + (pop_binding_level): New. + (pushlevel): Move code into make_binding_level. + (push_label_level): Likewise. + (poplevel): Move code into pop_binding_level. + (pop_label_level): Likewise. + (mark_binding_level): Delete. + (gt_ggc_mp_binding_level): New. + (c_init_decl_processing): Use canonical name for mark_binding_level. + Add free_binding_level as deletable root. + (mark_c_function_context): Use canonical name for mark_binding_level. + * Makefile.in (c-decl.o): Add gt-c-decl.h. + (c-pragma.o): Add gt-c-pragma.h. + (GTFILES): Add c-decl.c and c-pragma.c. + (gt-c-decl.h, gt-c-pragma.h): Create using gengtype. + + * tree.c (struct type_hash): Use gengtype. + (init_obstacks): Use canonical name for type_hash_mark. + (type_hash_mark): Delete. + Include gt-tree.h. + * rtl.h (struct mem_attrs): Use gengtype. + * optabs.h (struct optab): Use gengtype. + * optabs.c (expand_binop): Squish signed/unsigned warning. + (mark_optab): Make local, use canonical name, use autogenerated + marker procedure. + (init_optabs): Use canonical name for mark_optab. + (new_optab): Use GGC to allocate optabs. + * ggc.h: Delete mark_optab prototype. + * ggc-common.c (ggc_mark_rtx_children): Use canonical name for + mem_attrs marker procedure. + * gengtype.c (get_output_file): Include headers in gtype-desc.c + explicitly rather than deducing them from file names. + (write_gc_structure_fields): Handle arrays of structures. + (main): Return nonzero exit code if errors occur during output. + * emit-rtl.c (mem_attrs_mark): Delete. + (init_emit_once): Use canonical name for mem_attrs marker procedure. + * Makefile.in (gtype-desc.o): Explicitly name dependencies. + (tree.o): Depend on gt-tree.h. + (GTFILES): Add rtl.h, optabs.h, tree.c. + (gt-tree.h): Add it to s-gtype rule. + + * .cvsignore: Ignore gengtype flex/bison generated files. + * Makefile.in (GGC_H): Add gtype-desc.h. + (OBJS): Add gtype-desc.o. + (GEN): Add gengtype. + (STAGESTUFF): Add gengtype. + (varasm.o): Add gt-varasm.h. + (stmt.o): Add gt-stmt.h. + (except.o): Add gt-except.h. + (integrate.o): Add gt-integrate.h. + (GTFILES): New. + Add new rules for new files. + * configure: Regenerate. + * configure.in: Correct defaults.h paths. + * emit-rtl.c (mark_sequence_stack): Delete. + (mark_emit_status): Delete. + (start_sequence): Allocate sequence structures using GGC. + (end_sequence): Allocate sequence structures using GGC. + * except.c: Use gengtype for various structures. Include + gt-except.h. + * expr.c (mark_expr_status): Delete. + * function.c: Use gengtype for various structures. Include + gt-function.h. + (mark_function_status): Use standard gt_ggc names for marker functions. + (ggc_mark_struct_function): Likewise. + * function.h: Use gengtype for various structures. + * gengtype-lex.l: New file. + * gengtype-yacc.y: New file. + * gengtype.c: New file. + * gengtype.h: New file. + * ggc.h: Include gtype-desc.h. Alias some marker procedures to + the standard names. Remove some now-unnecessary prototypes. + * integrate.c: Use gengtype for various structures. Include + gt-integrate.h. + (mark_hard_reg_initial_vals): Delete. + * integrate.h (mark_hard_reg_initial_vals): Delete. + * stmt.c: Use gengtype for various structures. Include + gt-stmt.h. + (mark_case_node): Delete. + (mark_goto_fixup): Delete. + (mark_stmt_status): Use standard gt_ggc names for marker functions. + * system.h: Define GTY to empty. In flex/bison files, + don't poison malloc or realloc, instead just define them to + xmalloc and xrealloc. + * varasm.c: Use gengtype for various structures. Include + gt-varasm.h. Use standard gt_ggc names for marker functions. + (mark_pool_constant): Delete. + (mark_varasm_status): Delete. + (decode_rtx_const): #if 0 out non-typesafe hack. + + * function.h (free_lang_status): Mark as obsolete. + * function.c (free_lang_status): Mark as obsolete. + * c-decl.c (push_c_function_context): Use GC to allocate and free + struct language_function. + (pop_c_function_context): Likewise. + * c-common.c (mark_c_language_function): Mark struct + language_function. + + * doc/tm.texi (Per-Function Data): Don't document free_machine_status. + Document that the machine_function structures must be allocated + using GC. Update mark_machine_status documentation. + * function.h: Don't declare free_machine_status. + * function.c (free_machine_status): Don't define. + (free_after_compilation): Don't call free_machine_status. + (ggc_mark_struct_function): Mark f->machine. Call + mark_machine_status only on non-NULL pointers. + * system.h: Poison free_machine_status. + * config/xtensa/xtensa.c (xtensa_init_machine_status): Use GC on + struct machine_function. + (xtensa_free_machine_status): Delete. + (override_options): Don't set free_machine_status. + * config/rs6000/rs6000.c (rs6000_override_options): Don't set + free_machine_status. + (rs6000_init_machine_status): Use GC on struct machine_function. + (rs6000_free_machine_status): Delete. + * config/ia64/ia64.c (ia64_init_machine_status): Use GC on struct + machine_function. + (ia64_mark_machine_status): Likewise. + (ia64_free_machine_status): Delete. + (ia64_override_options): Don't set free_machine_status. + * config/i386/i386.c (override_options): Don't set + free_machine_status. + (ix86_init_machine_status): Use GC on struct machine_function. + (ix86_mark_machine_status): Likewise. + (ix86_free_machine_status): Delete. + * config/d30v/d30v.c: (d30v_init_machine_status): Use GC on struct + machine_function. + (d30v_mark_machine_status): Likewise. + (d30v_free_machine_status): Delete. + (d30v_init_expanders): Don't set free_machine_status. + * config/arm/arm.c (arm_mark_machine_status): Use GC on struct + machine_function. + (arm_init_machine_status): Likewise. + (arm_free_machine_status): Delete. + (arm_init_expanders): Don't set free_machine_status. + * config/alpha/alpha.c (override_options): Don't set + free_machine_status. + (alpha_init_machine_status): Use GC on struct machine_function. + (alpha_mark_machine_status): Likewise. + (alpha_free_machine_status): Delete. + + * varasm.c (compare_constant): Fix typo. + + * varasm.c: Don't include obstack.h. + (struct varasm_status): x_const_rtx_hash_table is a hash of rtxes. + (struct rtx_const): Give substructures names, improve formatting. + (struct constant_descriptor): Delete. + (struct constant_descriptor_tree): New, based on constant_descriptor. + (const_hash_table): Is a hash table of trees. + (mark_const_hash_entry): Is used for hashes of trees. Mark + constant_descriptor_tree structure. + (mark_const_str_htab_1): Mark deferred_string structure. + (compare_constant): Rewrite to compare trees. + (compare_constant_1): Delete. + (record_constant): Delete. + (record_constant_1): Delete. + (output_constant_def): Use struct constant_descriptor_tree. + Don't duplicate trees twice. + (struct constant_descriptor_rtx): New. + (struct pool_constant): Used for rtx constants. + (init_varasm_status): Update for change to struct varasm_status. + (mark_varasm_status): Likewise. + (free_varasm_status): Delete. + (compare_constant_rtx): Rewrite to handle constant_descriptor_rtx. + (record_constant_rtx): Likewise. + (mem_for_const_double): Update to use struct constant_descriptor_rtx. + (force_const_mem): Likewise. + * Makefile.in (varasm.o): Doesn't depend on obstack.h. + * function.c (free_after_compilation): Don't use free_varasm_status. + * function.h: Don't prototype free_varasm_status. + + * ggc-common.c (ggc_realloc): Handle X being NULL. + + * ggc-common.c (ggc_realloc): New function. + * ggc.h: Prototype it. + * emit-rtl.c (free_emit_status): Delete. + (init_emit): Allocate emit subarrays using GC. + (gen_reg_rtx): Reallocate subarrays using GC. + (init_emit): Use GC to allocate 'struct emit_status' and its + subarrays. + (mark_emit_status): Mark structure and its subarrays. + * stmt.c (free_stmt_status): Delete. + * expr.c (free_expr_status): Delete. + * function.h: Remove prototypes for deleted functions. + * function.c (free_after_compilation): Don't use deleted functions. + Don't call free() on x_parm_reg_stack_loc. + (free_after_parsing): Don't use free_stmt_status. + (assign_parms): Use GC to allocate and resize x_parm_reg_stack_loc. + (mark_function_status): Mark x_parm_reg_stack_loc. + + * varasm.c (init_varasm_status): Use GC to allocate + 'struct varasm_status' and its fields x_const_rtx_hash_table + and x_const_rtx_sym_hash_table. + (mark_varasm_status): Mark them. + (free_varasm_status): Use GC to free them. + * expr.c (init_expr): Use GC to allocate 'struct expr_status'. + (mark_expr_status): Mark the structure itself. + (free_expr_status): Use GC to free the structure. + * stmt.c (free_stmt_status): Use GC to free 'struct stmt_status'. + (mark_stmt_status): Mark the 'struct stmt_status' itself. + (init_stmt_for_function): Allocate the structure for GC. + + * dwarf2out.c (lookup_type_die): Use TYPE_SYMTAB_DIE. + (equate_type_number_to_die): Likewise. + * tree.h (TYPE_SYMTAB_DIE): New macro. + (struct die_struct): Predeclare. + (struct tree_type): Add field symtab.die. Add a tag + to the union type of field symtab. + + * varray.h (VARRAY_RTVEC_INIT): A varray of rtvec contains + 'struct rtvec_def *', not 'struct rtvec_def'. + + * function.h (original_arg_vector): Make a real rtvec. + * function.c (ggc_mark_struct_function): Adjust. + * integrate.c (expand_inline_function): Adjust. + +2002-06-04 Jason Thorpe <thorpej@wasabisystems.com> + + * config.gcc (sh5-*-netbsd*, sh5l*-*-netbsd*) + (sh64-*-netbsd*, sh64l*-*-netbsd*): New targets. + * config/sh/netbsd-elf.h (TARGET_VERSION_ENDIAN) + (TARGET_VERSION_CPU): Define according to the + default target. + (TARGET_VERSION): Use TARGET_VERSION_ENDIAN and + TARGET_VERSION_CPU. + (TARGET_OS_CPP_BUILTINS): Use NETBSD_OS_CPP_BUILTINS_LP64 + if TARGET_SHMEDIA64. + (LINK_DEFAULT_CPU_EMUL): Define according to the + default target. + (SUBTARGET_LINK_EMUL_SUFFIX): Define. + (SUBTARGET_LINK_SPEC): Define. + (LINK_SPEC): Use SH_LINK_SPEC. + (ASM_SPEC): Remove. + (TARGET_DEFAULT): Use TARGET_CPU_DEFAULT. + (FUNCTION_PROFILER): Add cases for TARGET_SHMEDIA32 + and TARGET_SHMEDIA64 which abort, for now. + * config/sh/t-netbsd-sh5: New file. + * config/sh/t-netbsd-sh5-32: New file. + * config/sh/t-netbsd-sh5-64: New file. + +2002-06-03 Falk Hueffner <falk.hueffner@student.uni-tuebingen.de> + Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (reg_or_const_int_operand): New. + (some_operand, input_operand): Accept CONST_VECTOR. + (alpha_extra_constraint): Add 'W'. + (alpha_expand_zap_mask): New. + (alpha_expand_builtin_vector_binop): New. + (enum alpha_builtin): New. + (zero_arg_builtins, one_arg_builtins, two_arg_builtins): New. + (alpha_init_builtins, alpha_expand_builtin): New. + (TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): New. + * config/alpha/alpha.h (VECTOR_MODE_SUPPORTED_P): New. + (PREDICATE_CODES): Update. + * config/alpha/alpha-protos.h: Update. + * config/alpha/alpha.md (UNSPEC_CMPBGE, UNSPEC_ZAP, + UNSPEC_AMASK, UNSPEC_IMPLVER, UNSPEC_PERR, UNSPECV_RPCC): New. + (movv8qi, movv8qi_fix, movv8qi_nofix): New. + (movv4hi, movv4hi_fix, movv4hi_nofix): New. + (movv2si, movv2si_fix, movv2si_nofix): New. + (uminv8qi3, sminv8qi3, uminv4hi3, sminv4hi3): New. + (umaxv8qi3, smaxv8qi3, umaxv4hi3, smaxv4hi3): New. + (builtin_cmpbge, builtin_extql, builtin_extqh, builtin_zap, + builtin_zap_1, builtin_zapnot, builtin_zapnot_1, builtin_amask, + builtin_implver, builtin_rpcc, builtin_minub8, builtin_minsb8, + builtin_minuw4, builtin_minsw4, builtin_maxub8, builtin_maxsb8, + builtin_maxuw4, builtin_maxsw4, builtin_perr, builtin_pklb, + pklb, builtin_pkwb, pkwb, builtin_unpkbl, unpkbl, + builtin_unpkbw, unpkbw): New. + * doc/extend.texi (Alpha Built-in Functions): New. + +2002-06-03 Richard Henderson <rth@redhat.com> + + * crtstuff.c (__EH_FRAME_BEGIN__): Conditionalize on + USE_EH_FRAME_REGISTRY, not EH_FRAME_SECTION_NAME. + +2002-06-03 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha-protos.h: Eliminate unneeded ifdefs. + + * config/alpha/alpha.c (reg_or_0_operand): Use CONST0_RTX. + (const0_operand): New. + (reg_or_fp0_operand, fp0_operand): Remove. + * config/alpha/alpha.h (PREDICATE_CODES): Update. + * config/alpha/alpha-protos.h: Update. + * config/alpha/alpha.md: Replace all uses of reg_or_fp0_operand + and fp0_operand with reg_or_0_operand and const0_operand. + +2002-06-03 Dan Nicolaescu <dann@godzilla.ics.uci.edu> + + * alias.c (nonoverlapping_memrefs_p): Fix off by one error. + +2002-06-03 Roger Sayle <roger@eyesopen.com> + + * gcse.c (cprop_jump): Use single_set to get the pattern + from the setcc argument. + +2002-06-03 Gabriel Dos Reis <gdr@codesourcery.com> + + * diagnostic.h (diagnostic_count): Move from output_buffer to + diagnostic_context. + (diagnostic_kind_count): Adjust definition. + +Mon Jun 3 19:11:53 CEST 2002 Jan Hubicka <jh@suse.cz> + + * except.c (except.c): Do not rebuild CFG. + * toplev.c (rest_of_compilation): Recompute CFG after sibcall + optimization. + +Mon Jun 3 11:53:01 CEST 2002 Jan Hubicka <jh@suse.cz> + + * integrate.c (copy_insn_list): Properly pace the INSN_SCOPE copies. + * toplev.c: Include cfglahout.h + * Makefile.in (toplev.c): Add dependnecy. + +2002-06-03 Neil Booth <neil@daikokuya.demon.co.uk> + + * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): New. + (CPP_CPU32_SPEC, CPP_CPU64_SPEC): Kill. + (CPP_CPUCOMMON_SPEC): Rename CPP_CPU_SPEC. + +2002-06-03 Jason Thorpe <thorpej@wasabisystems.com> + + * config/ns32k/netbsd.h: Update copyright years. + (TARGET_OS_CPP_BUILTINS): Define. + (CPP_PREDEFINES): Remove. + * config/ns32k/ns32k.h (CPP_PREDEFINES): Remove. + (TARGET_CPU_CPP_BUILTINS): Define. + +2002-06-02 Kazu Hirata <kazu@cs.umass.edu> + + * emit-rtl.c: Fix formatting. + * errors.h: Likewise. + * except.c: Likewise. + * explow.c: Likewise. + * expmed.c: Likewise. + * expr.c: Likewise. + * expr.h: Likewise. + +2002-06-02 Kazu Hirata <kazu@cs.umass.edu> + + * config/h8300/elf.h: Fix formatting. + * config/h8300/rtems.h: Likewise. + +2002-06-03 Jason Thorpe <thorpej@wasabisystems.com> + + * config/rs6000/netbsd.h (DRAFT_V4_STRUCT_RET): Remove. + +2002-06-02 Tom Tromey <tromey@redhat.com> + + * fixinc/fixincl.x: Rebuilt. + * fixinc/inclhack.def (thread_keyword): Match `*__thread'. + +2002-06-02 Neil Booth <neil@daikokuya.demon.co.uk> + +config/i370: + * i370.h (TARGET_CPU_CPP_BUILTINS): Use. + * linux.h: Use TARGET_OS_CPP_BUILTINS rather than CPP_PREDEFINES. + * mvs.h: Similarly. + * oe.h: Similarly. + +Mon Jun 3 00:18:20 CEST 2002 Jan Hubicka <jh@suse.cz> + + * final.c (final): Allow notes to not have computed addresses; + kill no longer needed STACK_REGS ifdef. + +2002-06-02 Richard Henderson <rth@redhat.com> + + * gcse.c (bypass_conditional_jumps): Fix typo last change. + +Sun Jun 2 23:02:11 CEST 2002 Jan Hubicka <jh@suse.cz> + + * loop.c (emit_prefetch_instructions): Properly place the address + computation. + +Sun Jun 2 22:56:48 CEST 2002 Jan Hubicka <jh@suse.cz> + + * basic-block.h (basic_block_for_insn, BLOCK_FOR_INSN): Kill. + (set_block_for_insn): Turn into macro. + * cfgbuild.c (find_basic_block): Do not clear basic_block_for_insn. + * cfglayout.c (insn_scopes): Kill. + (scope_to_insns_initialize): Do not use insn_scopes. + (scope_to_insns_finalize): Likewise. + (duplicate_insn_chain): Likewise. + (cfg_layout_initialize, cfg_layout_finalize): Do not turn scopes to notes. + * cfgrtl.c (basic_block_for_insn): Kill. + (delete_insn_and_edges, delete_insn_chain_and_edges): Simplify. + (create_basic_block_structure): Use reorder_insns. + (compute_bb_for_insn): Do not use basic_block_for_insn. + (merge_blocks_nomove): Likewise. + (update_bb_for_insn): Likewise. + (verify_flow_info): Likewise. + (set_block_for_insn): Kill. + * combine.c (try_combine): Update gen_rtx_INSN call. + * emit-rtl.c (gen_label_rtx): Update gen_rtx_CODE_LABEL call. + (mark_insn_raw, make_jump_insn_raw, make_call_insn_raw): Clear + scopes and BBs. + (add_insn_after, add_insn_before, remove_insn, reorder_insns): Simplify. + (emit_note_before, emit_note_after, emit_line_note_after, emit_note): + Clear BB. + (emit_insns_after): Simplify. + (emit_copy_of_insn_after): Copy scope. + * final.c (final_start_function): Lower scopes. + * flow.c (check_function_return_warnings): Do not rely on deleted insn. + * integrate.c (copy_insn_list): Cope scopes. + * jump.c (duplicate_loop_exit_test): LIkewise; simplify. + * loop.c (loop_optimize): Do not care block notes. + * print-rtl.c (print_rtx): Print BB. + * recog.c (apply_change_group): Simplify. + * rtl.c (copy_rtx): Handle 'B'. + * rtl.def (INSN, CALL_INSN, JUMP_INSN, NOTE): Add extra fields. + * rtl.h (Field accessors): Update indexes. + * sched-ebb.c (schedule_ebbs): Do not lower notes. + * sched-rgn.c (schedule_insns): Likewise. + * toplev.c (rest_of_compilation): Lower notes. + * unroll.c (unroll_loop): Do not care scoping notes. + (copy_loop_body): Copy scopes. + +2002-06-02 Neil Booth <neil@daikokuya.demon.co.uk> + +config/h8300: + * elf.h: Use TARGET_OS_CPP_BUILTINS rather than + SUBTARGET_SPEC. + * rtems.h: Similarly. + * h8300.h (CPP_PREDEFINES, CPP_SPEC, SUBTARGET_CPP_SPEC, + EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove. + (TARGET_CPU_CPP_BUILTINS): Use. + +2002-06-02 Richard Henderson <rth@redhat.com> + + * alias.c: Include target.h. + (mark_constant_function): Use targetm.binds_local_p instead + of checking TREE_PUBLIC ourselves. + * Makefile.in (alias.o): Add TARGET_H. + +2002-06-02 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lex.c: Update copyright and file description. + +2002-06-02 Neil Booth <neil@daikokuya.demon.co.uk> + + * config/fr30/fr30.h: Update to new CPP macros. + +2002-06-02 Neil Booth <neil@daikokuya.demon.co.uk> + + * config/dsp16xx/dsp16xx.h: Update to new CPP macros. + +2002-06-02 Neil Booth <neil@daikokuya.demon.co.uk> + Zack Weinberg <zack@codesourcery.com> + + * c-common.c (c_common_init): Override cpplib's default + warn_long_long setting. + * c-lex.c (lex_number): Replace with interpret_integer, + interpret_float, narrowest_unsigned_type and + narrowest_signed_type, taking advantage of the new + cpplib functionality. + * cpperror.c (_cpp_begin_message): If a warning is turned + into an error, avoid printing "warning:". + * cppexp.c (cpp_num_sign_extend): New. + * cppinit.c: Update comment. + * cpplib.h (cpp_num_sign_extend): New. + * tree.h: Update comment. + +2002-06-02 Gabriel Dos Reis <gdr@codesourcery.com> + + * diagnostic.h (struct diagnostic_context): Add new member + internal_error. + (internal_error_function): Remove declaration. + * diagnostic.c (internal_error_function): Remove definition.. + (internal_error): Adjust use. + +2002-06-02 Richard Henderson <rth@redhat.com> + + * rtl.h (CC0_P): New. + * gcse.c (cprop_jump): Use it with single_set. Tweak dump text. + (cprop_insn): Allow any mode register; use CC0_P. CSE out single_set. + (bypass_block): Save old dest block for dump text. + (bypass_conditional_jumps): Allow any mode register; use CC0_P. + Allow only true SET insns, not single_set. + +2002-06-02 Gabriel Dos Reis <gdr@codesourcery.com> + + * diagnostic.c (diagnostic_finish): Rename to output_flush. + (clear_disgnostic_info): Rename to output_clear_data. Use false + instead of 0 for boolean value. + Adjust function call throughout. + +Sun Jun 2 19:15:27 CEST 2002 Jan Hubicka <jh@suse.cz> + + * cfgrtl.c (commit_one_edge_insertion): Fix warning. + * gcse.c (bypass_conditional_jumps): CSE out single_set call. + +2002-06-02 Neil Booth <neil@daikokuya.demon.co.uk> + + * d30v.h (CPP_PREDEFINES): Replace with + (TARGET_CPU_CPP_BUILTINS): New. + +2002-06-02 Roger Sayle <roger@eyesopen.com> + + * config/alpha/alpha.h [ASM_OUTPUT_LABELREF]: Fix typo. + +Sun Jun 2 12:11:52 CEST 2002 Jan Hubicka <jh@suse.cz> + + * gcse.c (bypass_conditional_jumps): Use single set to obtain set. + +2002-06-02 Richard Henderson <rth@redhat.com> + + * rtlanal.c (volatile_refs_p): Not automatically true for CALL. + +2002-06-02 Marek Michalkiewicz <marekm@amelek.gda.pl> + + Support for C++ constructors/destructors. + * config/avr/avr.c (avr_output_function_epilogue): Jump to exit() + instead of looping if main() returns. + (asm_file_start): Output global symbols that cause .data and .bss + initialization code to be linked in, unconditionally for now. + (avr_asm_out_ctor, avr_asm_out_dtor): New functions. + * config/avr/avr.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): New. + (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New. + (LIBSTDCXX): New. + * config/avr/libgcc.S (_exit): Split in .fini9 and .fini0 sections. + (__tablejump__): New. + (__do_copy_data, __do_clear_bss): New. + (__do_global_ctors, __do_global_dtors): New. + * config/avr/t-avr (LIB1ASMFUNCS): Add _copy_data, _clear_bss, + _ctors, _dtors. + +2002-06-02 Neil Booth <neil@daikokuya.demon.co.uk> + + * c4x/c4x.h (TARGET_CPU_CPP_BUILTINS): New. + (CPP_SPEC, CPP_PREDEFINES): Kill. + * c4x/rtems.h (CPP_PREDEFINES): Kill. + (TARGET_OS_CPP_BUILTINS): New. + +Sat Jun 1 23:29:51 CEST 2002 Jan Hubicka <jh@suse.cz> + + * Makefile.in (tracer.o): New. + * params.def (TRACER_*): New options. + * rtl.h (tracer): Declare. + * timevar.def (TV_TRACER): New. + * toplev.c (dump_file_index): Add DFI_tracer. + (dump_file_info): Add tracer. + (flag_tracer): New. + (lang_indepdenent_options): Add tracer. + (rest_of_compilation): Call tracer. + * tracer.c: New file. + * invoke.texi (-ftracer): Document. + (--param tracer-*): Document. + +2002-06-01 Daniel Berlin <dberlin@dberlin.org> + + * tree-inline.c (expand_call_inline): Make the statement + expression we generate have a COMPOUND_STMT. + +2002-06-01 Roger Sayle <roger@eyesopen.com> + + * gcse.c (cprop_cc0_jump): Function deleted. + (cprop_jump): Take an additional argument which is the possibly + NULL cc setting insn immediately before the conditional jump. + When a MODE_CC set is present, substitute it into the JUMP_INSN + before attempting the constant propagation. + (cprop_insn): Recognize cc setters followed by conditional jumps + as a special case. Use cprop_jump instead of cprop_cc0_jump. + (cprop_one_pass): Call bypass_conditional_jumps if altering jumps. + (find_bypass_set): New function based upon find_avail_set used by + cprop, but finds constant expressions available at the end of + basic blocks. + (bypass_block): New function. Given a basic block that begins + with a conditional jump and multiple incoming edges, perform + the jump bypass optimization. + (bypass_conditional_jumps): New function. Call bypass_block with + each suitable basic block in the CFG using a simple single pass. + +2002-06-01 Roger Sayle <roger@eyesopen.com> + + * tree.c (real_minus_onep): New function to test for -1.0. + * fold-const.c (fold) [MULT_EXPR]: Optimize -1.0*x into -x. + +2002-06-01 Roger Sayle <roger@eyesopen.com> + + * fold-const.c (fold_truthop): Transform "a || b" into "(a|b) != 0" + and "!p && !q" into "(p|q) == 0" under suitable conditions. + +2002-06-01 Andreas Jaeger <aj@suse.de> + + * cppexp.c (cpp_classify_number): Cast precission to int for + correct printf format. + +2002-06-01 Marek Michalkiewicz <marekm@amelek.gda.pl> + + * config/avr/avr.c (avr_mcu_types): Remove devices that were once + expected, but don't really exist: atmega83, atmega85, attiny10. + * config/avr/avr.h (LINK_SPEC): Update to use the new avr[1-5] ld + emulations for all devices. + (CRT_BINUTILS_SPECS): Remove atmega83, atmega85, attiny10. + * config/avr/t-avr (MULTILIB_MATCHES): Remove atmega83, atmega85. + +2002-06-01 Kazu Hirata <kazu@cs.umass.edu> + + * config/h8300/h8300-protos.h: Add a prototype for + h8300_shift_needs_scratch_p. + * config/h8300/h8300.c (h8300_shift_needs_scratch_p): New. + * config/h8300/h8300.h (OK_FOR_R): New. + (OK_FOR_S): Likewise. + (OK_FOR_T): Likewise. + (EXTRA_CONSTRAINT): Call OK_FOR_R, OK_FOR_S, and OK_FOR_T. + * config/h8300/h8300.md (anonymous shift patterns): Use + constraints R, S, and T. + +Sat Jun 1 11:23:22 CEST 2002 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz> + + * basic-block.h (struct basic_block_def): New field loop_father. + (BB_VISITED): New flag. + (struct loop): New field pred, removed field shared. + (struct loops): New field parray. + (LOOP_EXITS_DOMS): Removed. + (flow_loop_tree_node_add, flow_loop_tree_node_remove, + flow_loop_nested_p, flow_bb_inside_loop_p, get_loop_body, + dfs_enumerate_from, loop_preheader_edge, loop_latch_edge, + add_bb_to_loop, remove_bb_from_loops, find_common_loop, + verify_loop_structure): Declare. + * cfg.c (entry_exit_blocks): Initialize loop_father field. + * cfganal.c (dfs_enumerate_from): New function. + * cfgloop.c (HEAVY_EDGE_RATIO): New constant. + (flow_loop_entry_edges_find, flow_loop_exit_edges_find, + flow_loop_nodes_find, flow_loop_level_compute, flow_loop_nested_p, + flow_loop_dump, flow_loops_dump, flow_loops_free, + flow_loop_tree_node_add, flow_loop_level_compute, + flow_loops_level_compute, flow_loop_scan, flow_loops_update, + flow_loop_outside_edge_p): Modified for new infrastructure. + (make_forwarder_block, canonicalize_loop_headers, glb_enum_p, + redirect_edge_with_latch_update, flow_loop_free): New static functions. + (flow_loop_tree_node_remove, flow_bb_inside_loop_p, + get_loop_body, add_bb_to_loop, remove_bb_from_loops, + find_common_loop, verify_loop_structure, loop_latch_edge, + loop_preheader_edge): New functions. + (flow_loops_cfg_dump): Do not show dominators, as this information + does not remain up to date long. + (flow_loops_find): Store results in new format. + * predict.c (propagate_freq, estimate_probability, + estimate_loops_at_level, estimate_bb_frequencies): Use new loop + infrastructure. + +2002-06-01 Alan Lehotsky <apl@alum.mit.edu> + + * except.c (nothrow_function_p): Walk epilogue delay list + checking the insn, not the chain for potential throws. + +2002-05-31 Zack Weinberg <zack@codesourcery.com> + + * Makefile.in (INSTALL_CPP, UNINSTALL_CPP): Remove. + (install): Refer to install-cpp directly. + (uninstall-cpp): Folded into uninstall rule. + * configure.in: Delete all code relating to --disable-cpp. + * configure: Regenerate. + * config/t-install-cpp: Delete. + +2002-05-31 Richard Henderson <rth@redhat.com> + + * configure.in (HAVE_AS_TLS): Add alpha tests. + * configure: Rebuild. + * config/alpha/alpha.c (TARGET_AS_TLS): New. + (alpha_tls_size, alpha_tls_size_string): New. + (overide_options): Set it. Always install machine_status hooks. + (input_operand): Accept got tls predicates. + (local_symbol_p): Merge into ... + (local_symbolic_operand): ... here. Reject tls symbols. + (global_symbolic_operand): Likewise. + (tls_symbolic_operand_1, dtp16_symbolic_operand): New. + (dtp32_symbolic_operand, gotdtp_symbolic_operand): New. + (tp16_symbolic_operand, tp32_symbolic_operand): New. + (gottp_symbolic_operand, tls_symbolic_operand_type): New. + (alpha_encode_section_info): Handle TLS symbols. + (alpha_strip_name_encoding): Likewise. + (alpha_legitimate_address_p): Likewise. + (alpha_legitimize_address): Likewise. + (alpha_expand_mov): Early exit to avoid nop moves. + (struct machine_function): Move from unicosmk.h. Add some_ld_name. + (alpha_init_machine_status, alpha_mark_machine_status, + alpha_free_machine_status): Always define. + (get_some_local_dynamic_name, get_some_local_dynamic_name_1): New. + (print_operand, print_operand_address): Add TLS relocs. + * config/alpha/alpha.h (HAVE_AS_TLS): Default 0. + (MASK_TLS_KERNEL, TARGET_TLS_KERNEL): New. + (TARGET_SWITCHES): Add -mtls-kernel. + (alpha_tls_size, alpha_tls_size_string): New. + (TARGET_OPTIONS): Add -mtls-size=. + (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, + REGNO_REG_CLASS, REG_CLASS_FROM_LETTER): Add R0_REG. + (ASM_OUTPUT_LABELREF): Skip %. + (PRINT_OPERAND_PUNCT_VALID_P): Add &. + (PREDICATE_CODES): Update. + * config/alpha/alpha.md (UNSPEC_TLSGD_CALL, UNSPEC_TLSLDM_CALL, + UNSPEC_TLSGD, UNSPEC_TLSLDM, UNSPEC_DTPREL, UNSPEC_TPREL, + UNSPEC_TP, UNSPECV_SET_TP): New. + (adddi_er_lo16_dtp, adddi_er_hi32_dtp, adddi_er_lo32_dtp, + adddi_er_lo16_tp, adddi_er_hi32_tp, adddi_er_lo32_tp, load_tp, + set_tp, movdi_er_tlsgd, movdi_er_tlsldm, movdi_er_gotdtp, + movdi_er_gottp, call_value_osf_tlsgd, call_value_osf_tlsldm): New. + (call_value_osf_2_er): Accept anything as op4. + * config/alpha/alpha-protos.h: Update. + * config/alpha/unicosmk.h (struct machine_function): Move to alpha.c. + +2002-05-31 Zack Weinberg <zack@codesourcery.com> + + * cppinit.c (append_include_chain): Always pay attention to + cxx_aware when setting new->sysp. Remove ATTRIBUTE_UNUSED + marker on argument. + +2002-05-31 Kazu Hirata <kazu@cs.umass.edu> + + * target.h: Fix formatting. + * timevar.h: Likewise. + * tlink.c: Likewise. + * toplev.c: Likewise. + * toplev.h: Likewise. + * tree.c: Likewise. + * tree-dump.h: Likewise. + * tree.h: Likewise. + * tree-inline.h: Likewise. + * unroll.c: Likewise. + * unwind-dw2.c: Likewise. + * unwind-dw2-fde.c: Likewise. + * unwind-dw2-fde-glibc.c: Likewise. + * unwind-dw2-fde.h: Likewise. + * unwind.h: Likewise. + * unwind-sjlj.c: Likewise. + * varasm.c: Likewise. + * varray.h: Likewise. + * vmsdbg.h: Likewise. + * vmsdbgout.c: Likewise. + * xcoffout.h: Likewise. + +2002-05-31 Igor Shevlyakov <igor@microunity.com> + + * expr.c (compare_from_rtx): Generate comparison between op0 and op1 + rather than cc0 and 0 in a case when HAVE_cc0 is not defined. + +2002-05-31 Matthew Woodcraft <mattheww@chiark.greenend.org.uk> + + * gcc.c (cpp_unique_options): Remove "-d" options. + (cpp_debug_options): New spec string. + (default_compilers): Use it. + * objc/lang-specs.h: Likewise. + +2002-05-31 Nathanael Nerode <neroden@twcny.rr.com> + + * gcc/Makefile.in: Replace HOST_PREFIX, HOST_PREFIX_1 with + BUILD_PREFIX, BUILD_PREFIX_1, to correct nomenclature. + * gcc/mklibgcc.in: Likewise. + * gcc/config/arc/t-arc: Likewise. + * gcc/configure.in: Likewise. + * gcc/configure: Regenerate. + +2002-05-31 Stan Shebs <shebs@apple.com> + Turly O'Connor <turly@apple.com> + + * c-decl.c (struct binding_level): Change int field n_incomplete + to tree list incomplete_list. + (clear_binding_level): Init field with NULL. + (pushdecl): Add incomplete type to list. + (mark_binding_level): Mark the incomplete list. + (finish_struct): Scan the incomplete list for types instead + of all decls in the current binding level. + +2002-05-31 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.c (output_millicode_call): Add missing '%' characters. + (output_call): Likewise. + +2002-05-31 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/xcoff.h (HOT_TEXT_SECTION_NAME): Define. + (UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Define. + +2002-05-31 Alan Lehotsky <apl@alum.mit.edu> + + * varasm.c (mark_constant_pool): Walk epilogue delay list + checking the insn, not the chain for potential constants. + +Fri May 31 12:38:43 2002 J"orn Rennecke <joern.rennecke@superh.com> + + * config/sh/elf.h (ASM_SPEC): Use subtarget_endian_asm_spec. + +Fri May 31 13:50:19 CEST 2002 Jan Hubicka <jh@suse.cz> + + * i386.c (classify_argument): Properly handle base types. + + * dwarf2out.c (expand_builin_init_dwarf_reg_sizes): + Store first DWARF_FRAME_REGISTERS dwarf registers, not pseudo + registers. + +Fri May 31 13:37:54 CEST 2002 Jan Hubicka <jh@suse.cz> + + * gcse.c (gcse_emit_move_after): New. + (pre_delete, hoist_store): Use it. + + * reload1.c (emit_input_reload_insns): Use constrain_operands + instead of constraint_accepts_reg_p to verify optimization. + (constraint_accepts_reg_p): Kill. + + * reload1.c (reload_cse_delete_noop_set): Kill. + (reload_cse_simplify): Use delete_insn_and_edges. + +2002-05-31 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz> + + * cfgloop.c (flow_loops_find): Initialize first and last fields + correctly. + +2002-05-31 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-common.c (builtin_define_std): Correct logic. + +2002-05-31 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.c (output_millicode_call): Correct "be,l" insn for TARGET_PA_20. + (output_call): Likewise. + +2002-05-31 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.c: Move output.h include after tree.h include. + (pa_asm_output_mi_thunk): Constify identifier lab. + +2002-05-31 Jason Thorpe <thorpej@wasabisystems.com> + + * config/ns32k/ns32k.h: Define named constants for the + bits in target_flags and use them. + * config/ns32k/netbsd.h (TARGET_DEFAULT): Use named constants. + +2002-05-30 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * config.gcc (tm_file): Prefix pa/pa-700.h to tm_file list for PA1.0 + architecture and pa/pa-7100.h for PA1.1 architecture, respectively. + * pa/pa.c (override_options): Use TARGET_SCHED_DEFAULT to select + default scheduling model. + * pa/pa.h (TARGET_SCHED_DEFAULT): Define if not defined to "8000". + * pa/pa-700.h (TARGET_SCHED_DEFAULT): New file for "700" scheduling. + * pa/pa-7100.h (TARGET_SCHED_DEFAULT): New file for "7100" scheduling. + * doc/install.texi (hppa*-*-*): Document default scheduling. + +2002-05-30 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.c (following_call): Check TARGET_JUMP_IN_DELAY. + +2002-05-31 Jason Thorpe <thorpej@wasabisystems.com> + + * config.gcc (ns32k-*-netbsd*): Set tm_file to + "${tm_file} netbsd.h netbsd-aout.h ns32k/netbsd.h" + * config/ns32k/netbsd.h: Don't include ns32k/ns32k.h, + netbsd.h, or netbsd-aout.h. + +2002-05-31 Jason Thorpe <thorpej@wasabisystems.com> + + * longlong.h (count_trailing_zeros): Add missing \, and clean up + whitespace in __ns32000__ case. + +2002-05-31 Aldy Hernandez <aldyh@redhat.com> + + * expr.c (expand_expr): Output partially zeroed out vectors with + output_constant_def. + +2002-05-30 Jason Thorpe <thorpej@wasabisystems.com> + + * config.gcc (sh[123456789l]*-*-*): Set cpu_type to sh. + (sh-*-netbsdelf*) + (shl*-*-netbsdelf*): New targets. + * config/sh/netbsd-elf.h: New file. + * config/sh/t-netbsd: New file. + +2002-05-30 Richard Henderson <rth@redhat.com> + Eric Botcazou <ebotcazou@multimania.com> + + PR optimization/6822 + * config/i386/i386.c (ix86_expand_int_movcc): Don't cast INTVAL + to unsigned int for op1 comparisons. Use gen_int_mode. + +2002-05-30 Eric Botcazou <ebotcazou@multimania.com> + + * expmed.c (const_mult_add_overflow_p): New. + * expr.h: Declare it. + * loop.c (maybe_eliminate_biv_1) [COMPARE]: Use it. + Don't eliminate the biv if the giv has a constant multiplier and + the rhs argument of the comparison does satisfy the predicate. + Use expand_mult_add to compute the replacement constant. + +2002-05-30 Osku Salerma <osku@iki.fi> + + * c-common.c (c_common_attribute_table): Add "may_alias" entry. + (c_common_get_alias_set): Handle it. + * doc/extend.texi: Document it. + +2002-05-30 Richard Henderson <rth@redhat.com> + + * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): Kill. + * toplev.c (process_options): Don't check it. + * doc/tm.texi: Don't document it. + * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): New. + (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): Kill. + * config/i386/i386.c (ix86_frame_pointer_required): Suppress leaf + frame pointer optimization if current_function_profile. + +2002-05-30 Kazu Hirata <kazu@cs.umass.edu> + + * langhooks.c: Fix formatting. + * langhooks.h: Likewise. + * lcm.c: Likewise. + * libgcc2.c: Likewise. + * lists.c: Likewise. + * local-alloc.c: Likewise. + * loop.c: Likewise. + * loop.h: Likewise. + +2002-05-30 Marc Espie <espie@openbsd.org> + + * config.gcc (sparc64-*-openbsd*): New. + * config/sparc/openbsd1-64.h: New. + * config/sparc/openbsd64.h: New. + +2002-05-30 Jeff Law <law@redhat.com> + + * flow.c (propagate_one_insn): Revise yesterday's patch. Delete + a dead insn with a REG_RETVAL note when the entire libcall is not + dead and remove the associated REG_LIBCALL note at the same time. + +Thu May 30 19:54:30 2002 J"orn Rennecke <joern.rennecke@superh.com> + + * lcm.c (output.h): #include. + (compute_earliest): Remove hack to treat renumbered EXIT_BLOCK + as an ordinary block. + (optimize_mode_switching): Don't pretend that the exit block is + an ordinary block, or handle sucessors of entry block specially. + Instead, split edges from entry block and to exit block, and + put a computing definition on the thus gained post-entry-block, + and a need on the pre-exit-block. + +Thu May 30 20:28:01 CEST 2002 Jan Hubicka <jh@suse.cz> + + * gengenrtl.c (type_from_format, accessor_from_format): Support 'B'. + * rtl.texi: Document 'B' + +2002-05-30 Jason Thorpe <thorpej@wasabisystems.com> + + * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Compute + at run-time. + (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 96 if not __mc68010__. + +2002-05-30 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.c (rs6000_expand_unop_builtin): Return + const0_rtx instead of NULL_RTX when in error. + (altivec_expand_abs_builtin): Same. + (rs6000_expand_binop_builtin): Same. + (altivec_expand_predicate_builtin): Same. + (altivec_expand_stv_builtin): Same. + (rs6000_expand_ternop_builtin): Same. + (altivec_expand_builtin): Same. + +2002-05-29 David S. Miller <davem@redhat.com> + + * rtl.h (clear_emit_caches): Delete. + * integrate.c (output_inline_function): Don't call it. + * emit-rtl.c (restore_emit_status, init_emit): Likewise. + (clear_emit_caches): Delete definition. + (SEQUENCE_RESULT_SIZE, sequence_result, free_insn): Likewise. + +2002-05-30 Hans-Peter Nilsson <hp@bitrange.com> + + * config/mmix/mmix.c: Include real.h. + (mmix_constant_address_p): Remove redundant test before switch. + +2002-05-29 Jason Thorpe <thorpej@wasabisystems.com> + + * config/mips/mips.h (READONLY_DATA_SECTION_ASM_OP): Define + only if not already defined. + +2002-05-29 Kazu Hirata <kazu@cs.umass.edu> + + * config/h8300/h8300-protos.h: Remove prototypes for + ok_for_bclr and small_power_of_two. + * config/h8300/h8300.c (small_power_of_two): Remove. + (ok_for_blcr): Likewise. + (fix_bit_operand): Make WHAT deal with an integer instead of a + constraint character. + * config/h8300/h8300.h (CONST_OK_FOR_O): Remove. + (CONST_OK_FOR_P): Likewise. + (CONST_OK_FOR_LETTER_P): Do not call CONST_OK_FOR_O or + CONST_OK_FOR_P any more. + * config/h8300/h8300.md (andqi3): Adjust to the new prototype + of fix_bit_operand. + (iorqi3): Likewise. + (xorqi3): Likewise. + +2002-05-29 Jason Thorpe <thorpej@wasabisystems.com> + + * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Define. + (CPP_PREDEFINES): Make sure this is undefined. + (CPP_SPEC): Place -D__mips=1 at the beginning of the spec, + since it is no longer in CPP_PREDEFINES. Don't -U__MIPSEL__ + or -U__MIPSEB__ before defining one or the other. Instead, + use %(subtarget_endian_default) if neither -EB nor -EL are + specified. + (SUBTARGET_EXTRA_SPECS): Define. + (SUBTARGET_CPP_SPEC): Remove __LONG64 handling. Use + %(netbsd_cpp_spec). + +2002-05-29 Hans-Peter Nilsson <hp@axis.com> + + * doc/md.texi (Patterns): Note pattern condition pitfall + for unnamed insn. + +2002-05-29 Aldy Hernandez <aldyh@redhat.com> + + * rs6000.c: (altivec_expand_builtin): Only expand altivec builtins + when TARGET_ALTIVEC. Move handling of generic unary, binary, and + ternary operations from here... + (rs6000_expand_builtin): ...to here. + New argument expandedp. + Change all instances of altivec_expand_binop_builtin to + rs6000_expand_binop_builtin. + (altivec_expand_unop_builtin): Rename to + rs6000_expand_unop_builtin. + (altivec_expand_binop_builtin): Rename to + rs6000_expand_binop_builtin. + (altivec_expand_ternop_builtin): Rename to + rs6000_expand_ternop_builtin. + +2002-05-29 Richard Henderson <rth@redhat.com> + + * config/i386/biarch64.h (TARGET_64BIT_DEFAULT): Define with value. + (TARGET_BI_ARCH): Likewise. + * config/i386/i386.h: Test TARGET_64BIT_DEFAULT by value. + (TARGET_SWITCHES): Combine target defaults here not in TARGET_DEFAULT. + (TARGET_64BIT_DEFAULT): Default to 0. + (TARGET_DEFAULT): Default to MASK_OMIT_LEAF_FRAME_POINTER. + +2002-05-29 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (USE_HIDDEN_LINKONCE): New. + (get_pc_thunk_name): New. + (output_set_got): Use it. + (ix86_asm_file_end): If USE_HIDDEN_LINKONCE, emit get_pc thunks + into linkonce sections. + +2002-05-29 Jason Thorpe <thorpej@wasabisystems.com> + + * config/sparc/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define. + (CPP_PREDEFINES): Make sure this is undefined. + (CPP_SUBTARGET_SPEC64, CPP_SUBTARGET_SPEC32): Remove. + (CPP_SUBTARGET_SPEC): Don't provide different versions for + default-32 and default-64. Just always use %(netbsd_cpp_spec). + (SUBTARGET_EXTRA_SPECS): Remove cpp_subtarget_spec32 and + cpp_subtarget_spec64. Add netbsd_cpp_spec. + * config/sparc/netbsd.h (TARGET_OS_CPP_BUILTINS): Define. + (CPP_PREDEFINES): Make sure this is undefined. + (SUBTARGET_EXTRA_SPECS): Define. + (CPP_SPEC): Use %(netbsd_cpp_spec). + +2002-05-29 Jeff Law <law@redhat.com> + + * pa.h (ASM_OUTPUT_MI_THUNK): Remove unwanted semi-colon. + + * flow.c (propagate_one_insn): Do not remove a dead insn if it + contains a REG_RETVAL note. + + * haifa-sched (sched_analyze): Remove another useless clearing + of SCHED_GROUP_P I missed yesterday. + + * pa.h (ASM_OUTPUT_MI_THUNK): Move implementation into pa.c. + * pa.c (pa_asm_output_mi_thunk): New function. + * pa-protos.h (pa_asm_output_mi_thunk): Declare. + +2002-05-29 Neil Booth <neil@daikokuya.demon.co.uk> + Marek Michalkiewicz <marekm@amelek.gda.pl> + + * config/avr/avr.c (avr_base_arch_macro, avr_extra_arch_macro): New. + (avr_asm_only_p): Make non-static. + (enum avr_arch): Remove. + (avr_arch_types): New. + (avr_mcu_types): Update. + (avr_override_options): Use avr_arch_types table instead of switch. + * avr.h (CPP_PREDEFINES): Die. + (avr_base_arch_macro, avr_extra_arch_macro): New. + (TARGET_CPU_CPP_BUILTINS): New. + (CPP_SPEC, EXTRA_SPECS): Simplify. + (CPP_AVR1_SPEC, CPP_AVR2_SPEC, CPP_AVR3_SPEC, CPP_AVR4_SPEC, + CPP_AVR5_SPEC): Die. + +2002-05-29 Jason Thorpe <thorpej@wasabisystems.com> + + * config/arm/netbsd.h (TARGET_OS_CPP_BUILTINS): Use + NETBSD_OS_CPP_BUILTINS_AOUT. + (SUBTARGET_EXTRA_SPECS): Define. + (CPP_SPEC): Use %(netbsd_cpp_spec). + +2002-05-29 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (ix86_output_function_epilogue): New. + (TARGET_ASM_FUNCTION_EPILOGUE): New. + (pic_label_name): Remove. + (pic_labels_used): New. + (ix86_asm_file_end): Emit one pc load stub for each register used. + (output_set_got): Generate deep pc load to any register. + (ix86_select_alt_pic_regnum): New. + (ix86_save_reg): Don't save pic register if we can find a valid + call-clobbered replacement. + (ix86_expand_prologue): If we found a valid replacement, renumber + pic_offset_table_rtx. + * config/i386/i386.h (PIC_OFFSET_TABLE_REGNUM): Look at + pic_offset_table_rtx after reload. + (REAL_PIC_OFFSET_TABLE_REGNUM): New. + * config/i386/i386.md (set_got): Make insn, not expander. + (set_got_nopic, set_got_deep, set_got_nodeep): Remove. + +2002-05-29 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (ix86_compute_frame_layout): Do add bottom + alignment for alloca. + +2002-05-29 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (output_pic_addr_const): Lowercase rip. + (print_operand_address): Only add rip for symbolic addresses + for which we do not have another relocation type. + +2002-05-29 Jason Thorpe <thorpej@wasabisystems.com> + + * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define. + (EXTRA_SPECS): Add netbsd_cpp_spec. + (CPP_SPEC): Use %(netbsd_cpp_spec). + (CPP_PREDEFINES): Remove. + * config/m68k/netbsd.h (TARGET_OS_CPP_BUILTINS): Define. + (EXTRA_SPECS): Define. + (CPP_SPEC): Use %(netbsd_cpp_spec). + (CPP_PREDEFINES): Remove. + +2002-05-29 Neil Booth <neil@daikokuya.demon.co.uk> + + PR preprocessor/6844 + * cppmacro.c (cpp_macro_definition): Reserve space for terminating + NUL. + +2002-05-29 Eric Christopher <echristo@redhat.com> + + * config/mips/linux.h (SUBTARGET_CPP_SPEC): Add support for + mips5/mips32/mips64 and _MIPS_ISA_MIPSXX. + +2002-05-29 Nick Clifton <nickc@cambridge.redhat.com> + + * config/fr30/fr30.md: Remove previous restriction on splits. + Enforce conformance through gen_lowpart and cont_int_operand. + * config/fr30/fr30.h (BSS_SECTION_ASM_OP): Use ".section .bss" + as the assembler does not support ".bss". + +2002-05-29 Jason Thorpe <thorpej@wasabisystems.com> + + * config/i386/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define. + (CPP_PREDEFINES): Remove. + (SUBTARGET_EXTRA_SPECS): Define. + (CPP_SPEC): Use %(netbsd_cpp_spec). + * config/i386/netbsd.h (TARGET_OS_CPP_BUILTINS): Define. + (CPP_PREDEFINES): Remove. + (SUBTARGET_EXTRA_SPECS): Define. + (CPP_SPEC): Use %(netbsd_cpp_spec). + * config/i386/netbsd64.h (TARGET_OS_CPP_BUILTINS): Define. + (CPP_PREDEFINES, CPP_LP64_SPEC, CPP_SUBTARGET_SPEC): Remove. + (SUBTARGET_EXTRA_SPECS): Remove cpp_lp64 and cpp_subtarget. + Add netbsd_cpp_spec. + (CPP_SPEC): Remove %(cpp_subtarget), add %(netbsd_cpp_spec). + +2002-05-29 Neil Booth <neil@daikokuya.demon.co.uk> + Zack Weinberg <zack@codesourcery.com> + + * cppexp.c (cpp_num): Move to cpplib.h. + (CPP_ERROR): Remove. + (interpret_float_suffix, interpret_int_suffix): New. + (struct suffix, vsuf_1, vsuf_2, vsuf_3): Remove. + (cpp_classify_number, cpp_interpret_integer): New. + (interpret_number): Remove. + (eval_token): Update to use new routines. + * cpphash.h (cpp_num_part): Move to cpplib.h. + * cppinit.c (cpp_post_options): Set warn_long_long. + * cpplib.h (struct cpp_options): Add warn_long_long. + (cpp_num, cpp_num_part, CPP_N_CATEGORY, CPP_N_INVALID, + CPP_N_INTEGER, CPP_N_FLOATING, CPP_N_WIDTH, CPP_N_SMALL, + CPP_N_MEDIUM, CPP_N_LARGE, CPP_N_RADIX, CPP_N_DEC, CPP_N_HEX, + CPP_N_OCTAL, CPP_N_UNSIGNED, CPP_N_IMAGINARY, cpp_classify_number, + cpp_interpret_integer): New. + +2002-05-29 Joel Sherrill <joel@OARcorp.com> + + * config/rs6000/rs6000.h (ASM_CPU_SPEC): Use -m403 and -m405. + +2002-05-29 Jason Thorpe <thorpej@wasabisystems.com> + + * config/alpha/netbsd.h (TARGET_OS_CPP_BUILTINS): Use + NETBSD_OS_CPP_BUILTINS_ELF and NETBSD_OS_CPP_BUILTINS_LP64. + (CPP_SUBTARGET_SPEC): Define. + (SUBTARGET_EXTRA_SPECS): Define. + (CPP_SPEC): Remove. + +2002-05-29 Chris Lattner <sabre@nondot.org> + + * ssa.c (rename_insn_1): Rename uses of undefined registers to + prevent confusion if/when the register is defined. + +2002-05-29 Hans-Peter Nilsson <hp@axis.com> + + PR target/6838 + * config/cris/cris.md: Fix typos and thinkos in comments. + ("*mov_sideqi_biap_mem"): Remove '*' in constraint for operand 4, + second alternative. + ("*mov_sidehi_biap_mem", "*mov_sidesi_biap_mem"): Ditto. + ("*mov_sideqi_mem"): Similar, but for operand 3. + ("*mov_sidehi_mem", "*mov_sidesi_mem"): Ditto. + (splitter for mov_sideqi_mem, mov_sidehi_mem, mov_sidesi_mem): + Remove spurious mode specifier on operand 2. + +2002-05-29 Kazu Hirata <kazu@cs.umass.edu> + + * config/h8300/h8300-protos.h: Remove the prototype for + o_operand. + Add prototypes for single_one_operand and single_zero_operand. + * config/h8300/h8300.c (o_operand): Remove. + (single_one_operand): New. + (single_zero_operand): Likewise. + (print_operand): For 'V' operand, and the operand with 0xff. + For 'V' and 'W' operands, do not and the bit position with 7. + * config/h8300/h8300.md (various anonymous patterns): Replace + use of exact_log2 with single_one_operand/single_zero_operand. + +2002-05-29 Ulrich Weigand <uweigand@de.ibm.com> + + * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New. + +2002-05-29 Ulrich Weigand <uweigand@de.ibm.com> + + * config/s390/s390.c (legitimate_pic_operand_p): Do not + accept symbolic LARL operands. + (s390_emit_epilogue): Do not set FRAME_RELATED_P on + epilogue insns. + +2002-05-29 Hartmut Penner <hpenner@de.ibm.com> + + * config/s390/s390.md (cmpstr_64/31): Mark whole + input registers as used. + +2002-05-28 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (ix86_save_reg): Examine regs_ever_live, + not current_function_uses_pic_offset_table and + current_function_uses_const_pool; examine current_function_profile. + (ix86_expand_prologue): Likewise. Add pic_offset_table_rtx as + input to blockage if needed. + (ix86_expand_call): Do not set current_function_uses_pic_offset_table. + (legitimize_pic_address): Likewise. Set regs_ever_live for + pic_offset_table_rtx when invoked during reload. + * config/i386/i386.h (FINALIZE_PIC): Remove. + * config/i386/i386.md (tablejump): Reformat. Do not set + current_function_uses_pic_offset_table. + (tls_global_dynamic, tls_local_dynamic_base): Likewise. + (blockage): Accept anything as operand 0. + +2002-05-28 Jason Thorpe <thorpej@wasabisystems.com> + + * config/netbsd-aout.h (NETBSD_OS_CPP_BUILTINS_AOUT): Define + common CPP built-ins for all NetBSD a.out targets. + * config/netbsd-elf.h (NETBSD_OS_CPP_BUILTINS_ELF): Define + common CPP built-ins for all NetBSD ELF targets. + * config/netbsd.h: Add missing notice. + (NETBSD_OS_CPP_BUILTINS_COMMON): Define common CPP built-ins + for all NetBSD targets. + (NETBSD_OS_CPP_BUILTINS_LP64): Define common CPP built-ins + for all NetBSD targets using an LP64 code model. + (NETBSD_CPP_SPEC): Define CPP_SPEC parts common to all + NetBSD targets. + +2002-05-28 Richard Henderson <rth@redhat.com> + + * flow.c (update_life_info_in_dirty_blocks): Only do a partial + update if UPDATE_LIFE_LOCAL. + +2002-05-28 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com> + + * config/sh/sh.c: Include real.h for REAL_VALUE_TYPE. + +Tue May 28 21:16:18 2002 J"orn Rennecke <joern.rennecke@superh.com> + Jason R. Thorpe <thorpej@wasabisystems.com> + + config/sh reorganization to factor out endianness and coff: + + * config/sh/little.h: New file. + * config/sh/sh.h (TARGET_ENDIAN_DEFAULT): If not already + defined, define to 0 to select big-endian. + (SUBTARGET_ASM_ENDIAN_SPEC): Define according to TARGET_ENDIAN_DEFAULT. + (TARGET_DEFAULT): Include TARGET_ENDIAN_DEFAULT. + * config/sh/sh64.h (TARGET_DEFAULT): Include TARGET_ENDIAN_DEFAULT. + * config/sh/t-be: New file. + * config/sh/t-le: New file. + + * sh.h (SDB_DEBUGGING_INFO, #include "dbxcoff.h"): Moved to sh/coff.h. + (SDB_DELIM, MAX_OFILE_ALIGNMENT, IDENT_ASM_OP): Likewise. + (TARGET_ASM_NAMED_SECTION, ASM_OUTPUT_SKIP): Likewise. + (USER_LABEL_PREFIX, LOCAL_LABEL_PREFIX): Likewise. + (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Likewise. + (ASM_OUTPUT_COMMON, ASM_OUTPUT_LOCAL): Likewise. + (ASM_FILE_END, ASM_DECLARE_FUNCTION_NAME): Deleted. + (CPP_SPEC, SUBTARGET_CPP_ENDIAN_SPEC): Likewise. + (SUBTARGET_CPP_SPEC, CPP_DEFAULT_CPU_SPEC, CPP_PREDEFINES): Likewise. + (EXTRA_SPECS): Remove SUBTARGET_CPP_ENDIAN_SPEC and + CPP_DEFAULT_CPU_SPEC. Add LINK_EMUL_PREFIX, LINK_DEFAULT_CPU_EMUL, + SUBTARGET_LINK_EMUL_SUFFIX and SUBTARGET_LINK_SPEC. + (LINK_SPEC): Define to SH_LINK_SPEC. + (TARGET_CPU_CPP_BUILTINS, SH_LINK_SPEC): Define. + (LINK_EMUL_PREFIX, LINK_DEFAULT_CPU_EMUL): Likewise. + (SUBTARGET_LINK_EMUL_SUFFIX, SUBTARGET_LINK_SPEC): Likewise. + (CPP_SPEC): Reduce to %(subtarget_cpp_spec). + (TARGET_ENDIAN_DEFAULT): Define if not already defined. + * config/sh/coff.h: New file. + (TARGET_ASM_NAMED_SECTION): Now default_coff_asm_named_section + (TARGET_OBJFMT_CPP_BUILTINS): Define. + * config/sh/elf.h (IDENT_ASM_OP): No need to #undef at the start. + (ASM_FILE_END, ASM_OUTPUT_SOURCE_LINE): Likewise. + (DBX_OUTPUT_MAIN_SOURCE_FILE_END, TARGET_ASM_NAMED_SECTION): Likewise. + (ASM_DECLARE_FUNCTION_NAME, MAX_OFILE_ALIGNMENT, SIZE_TYPE): Likewise. + (PTRDIFF_TYPE): Likewise. + ("dbxelf.h", "elfos.h", "svr4.h"): Don't #include. + (CPP_PREDEFINES): Don't define. + (TARGET_OBJFMT_CPP_BUILTINS): Define. + (LINK_SPEC): Define to SH_LINK_SPEC. + (LINK_EMUL_PREFIX): Redefine. + * config/sh/linux.h: (SUBTARGET_CPP_SPEC): Remove -fpic / -fPIC cases. + (SUBTARGET_CPP_ENDIAN_SPEC, CPP_DEFAULT_CPU_SPEC): Remove redefinition. + (CPP_PREDEFINES, SUBTARGET_ASM_ENDIAN_SPEC): Likewise. + (CC1_SPEC, CC1PLUS_SPEC, LINK_SPEC): Likewise. + (TARGET_OS_CPP_BUILTINS): Define. + (TARGET_DEFAULT): Redefine. + (SUBTARGET_LINK_EMUL_SUFFIX, SUBTARGET_LINK_SPEC): Likewise. + * config/sh/sh64.h (CPP_DEFAULT_CPU_SPEC): Remove. + (LINK_SPEC): Don't redefine. + (LINK_DEFAULT_CPU_EMUL): Redefine. + (TARGET_DEFAULT): Include TARGET_ENDIAN_DEFAULT. + * sh.c (sh_asm_named_section): Don't declare / define. + * t-linux (MULTILIB_OPTIONS): Rely on pre-set endianness option. + * config.gcc (sh-*-elf* tm_file): Add dbxelf.h elfos.h svr4.h. + (sh64-*-elf* tm_file): Likewise. + (sh-*-rtemself* tm_file): Likewise. + (sh-*-linux* tm_file): Likewise. Add sh/little.h. + (sh-*-linux* tmake_file): Add sh/t-le. + (sh-*-rtems* tm_file): Add sh/coff.h + (sh-*-* tm_file): Likewise. + +Tue May 28 21:16:18 2002 J"orn Rennecke <joern.rennecke@superh.com> + + * sh.h (LEGITIMATE_PIC_OPERAND_P): Check for SYMBOL_REF before using + CONSTANT_POOL_ADDRESS_P. + + * coff.h (HAS_INIT_SECTION, INVOKE__MAIN): Define. + +2002-05-28 David Edelsohn <edelsohn@gnu.org> + Jeff Law <law@redhat.com> + + * optabs.c (expand_binop): Fix nwords sign warnings. + generate pseudo for add_optab. + + * sched-deps.c (sched_analyze): Do not clear SCHED_GROUP_P. + * haifa-sched.c (move_insn): Clear SCHED_GROUP_P after it is used. + +2002-05-28 Marc Espie <espie@openbsd.org> + + * config/i386/openbsd.h (HAVE_GAS_MAX_SKIP_P2ALIGN): Remove, + inherited from gas.h. + (ASM_QUAD): Undef. OpenBSD does not support it. + +2002-05-28 Danny Smith <dannysmith@users.sourceforge.net> + + * doc/install.texi (binaries): Change mingw binaries + link to www.mingw.org. + +2002-05-28 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz> + + * cfgloop.c (flow_loops_cfg_dump): Use bb->index, not i. + +2002-05-28 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (ix86_compute_frame_layout): Do not add + bottom alignment for leaf functions. + +2002-05-28 Zack Weinberg <zack@codesourcery.com> + + * config/pa/milli32.S, config/pa/lib1funcs.asm, + config/sparc/sol2-g1.asm: Delete unused files. + +2002-05-28 Richard Henderson <rth@redhat.com> + + * cfg.c (dump_flow_info): Print bb->index, not i, for block number. + + * flow.c (calculate_global_regs_live): Rename call_used to + invalidated_by_call. Initialize from regs_invalidated_by_call + instead of call_used_regs. + + * varasm.c (default_binds_local_p): Check TREE_PUBLIC before + DECL_EXTERNAL. + +2002-05-28 Zack Weinberg <zack@codesourcery.com> + + * tree.h: Don't include real.h. + Forward-declare struct realvaluetype. + (struct tree_real_cst): Point to the REAL_VALUE_TYPE, do not + contain it. + (TREE_REAL_CST_PTR): New accessor. + (TREE_REAL_CST): Update. + * real.h: Include machmode.h. + (realvaluetype): Make it struct realvaluetype, not a typedef. + (build_real): Prototype here. + + * tree.c: Include real.h. + (build_real): Allocate the REAL_VALUE_TYPE as a separate + object in GC memory, set TREE_REAL_CST_PTR to point to it. + (build_real_from_int_cst): Use build_real. + * ggc-common.c (ggc_mark_trees): Mark TREE_REAL_CST_PTR of a + REAL_CST. + + * builtins.c, c-common.c, c-lex.c, dwarf2out.c, expr.c, + fold-const.c, print-tree.c, real.c: Include real.h. + * Makefile.in: Update dependency lists. + +2002-05-28 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz> + + * basic-block.h (last_basic_block): Declare. + (expunge_block_nocompact): Declaration removed. + (compact_blocks): Declare. + * cfg.c (last_basic_block): New variable. + (expunge_block_nocompact): Removed. + (expunge_block): Do not compact basic blocks. + (compact_blocks): New. + * cfganal.c (flow_call_edges_add): Use the fact that bb indices no + longer change. + * cfgbuild.c (find_basic_blocks_1, find_basic_blocks): Set + last_basic_block. + * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Do not change + real positions of blocks. + (delete_unreachable_blocks): Simplified -- quadratic behavior now + cannot occur. + (cleanup_cfg): Compact blocks. + * cfgrtl.c (create_basic_block): Insert basic blocks to the end of + basic_block_info varray. + (flow_delete_block): Comment update. + (back_edge_of_syntactic_loop_p): Modify position check code. + (verify_flow_info): Update checking. + * flow.c (calculate_global_regs_live): Use FOR_EACH_BB. + * ifcvt.c (SET_ORIG_INDEX, ORIG_INDEX): Removed. + (find_if_case_1, find_if_case_2, if_convert): Use the fact that bb + indices no longer change. + * lcm.c (optimize_mode_switching): Replace n_basic_blocks with + last_basic_block. + * predict.c (estimate_bb_frequencies): Remove unneccessary code. + * profile.c (branch_prob): Compact blocks. + * sched-rgn.c (find_rgns): Replace n_basic_blocks with + last_basic_block. + +2002-05-28 Kazu Hirata <kazu@cs.umass.edu> + + * config/h8300/h8300.md (two anonymous patterns): New. + +2002-05-28 David S. Miller <davem@redhat.com> + + * config/sparc/sparc.md (cpu): Tidy. + (type): Delete 'return', add 'ialuX', 'flushw', 'iflush', and + 'trap'. + (in_call_delay): Delete reference to 'return' type. + (eligible_for_return_delay, in_return_delay, define_delay + referencing those): Delete. + (rest of file): Use new type attributes as appropriate. + * config/sparc/sparc-protos.h (eligible_for_return_delay): Delete. + * config/sparc/sparc.c (eligible_for_return_delay): Likewise. + * config/sparc/ultra1_2.md (us1_single): New reservation. + (us1_ialuX): Likewise. + * config/sparc/ultra3.md (us3_single): Likewise. + (us3_ialuX): Likewise. + (us3_imul, us3_idiv): Tweak. + +2002-05-28 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (alpha_in_small_data_p): Return false for + STRING_CST. + +2002-05-28 Richard Henderson <rth@redhat.com> + + * config.gcc: Obsolete mn10200. + +2002-05-28 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppexp.c (interpret_number): Optimize for single-digit + and less-than-half-precision cases. + (num_trim, num_positive, num_div_op): Cast constants. + +2002-05-27 Bo Thorsen <bo@suse.de> + + * config/i386/libgcc-x86_64-glibc.ver: Copy this file from the + 3.1 branch. The file was made by Jakub Jelinek. + * config/i386/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Add i386 + support so multilib doesn't break. And don't define this at all + when -Dinhibit_libc is used. + (MULTILIB_DEFAULTS): Always set default to 64 bit compilation. + * config/i386/t-linux64: Implement full multilib support. Patch + originally done by Andreas Jaeger and Jakub Jelinek. + +2002-05-27 Roger Sayle <roger@eyesopen.com> + + * c-common.c: Add support for __attribute__((nothrow)) to specify + that a function cannot throw an exception (using TREE_NOTHROW). + (handle_nothrow_attribute): New function to process this attribute. + + * doc/extend.texi: Document the new nothrow function attribute. + +2002-05-27 H.J. Lu (hjl@gnu.org) + + * cppexp.c (num_trim): Use 1UL instead of 1 for long int. + (num_positive): Likewise. + (num_div_op): Likewise. + +2002-05-27 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-common.c (c_common_init): Always use intmax_t. + +2002-05-27 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-common.c (c_common_init): Use intmax_t for now. + +2002-05-24 Andrew Haley <aph@redhat.com> + + * fold-const.c (fold): Don't convert (T)(x & c) into (T)x & (T)c + if T is a boolean type. + +2002-05-27 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz> + + * basic-block.h (last_basic_block): Defined as synonym for + n_basic_blocks. + * cfganal.c (mark_dfs_back_edges, flow_reverse_top_sort_order_compute, + flow_depth_first_order_compute, flow_preorder_transversal_compute, + flow_dfs_compute_reverse_init): Replaced relevant occurences of + n_basic_blocks with last_basic_block. + * cfgbuild.c (make_edges): Likewise. + * cfgloop.c (flow_loop_scan, flow_loops_find): Likewise. + * cfgrtl.c (verify_flow_info, purge_all_dead_edges): Likewise. + * combine.c (combine_instructions): Likewise. + * df.c (df_alloc, df_analyse_1, df_analyse, iterative_dataflow_sbitmap, + iterative_dataflow_bitmap): Likewise. + * dominance.c (init_dom_info, calc_dfs_tree_nonrec, calc_dfs_tree, + calc_idoms, idoms_to_doms): Likewise. + * flow.c (update_life_info_in_dirty_blocks, free_basic_block_vars): + Likewise. + * gcse.c (gcse_main, alloc_gcse_mem, compute_local_properties, + compute_hash_table, expr_reaches_here_p, one_classic_gcse_pass, + one_cprop_pass, compute_pre_data, pre_expr_reaches_here_p, + one_pre_gcse_pass, compute_transpout, delete_null_pointer_checks_1, + delete_null_pointer_checks, compute_code_hoist_vbeinout, + hoist_expr_reaches_here_p, hoist_code, one_code_hoisting_pass, + compute_store_table, build_store_vectors): Likewise. + * haifa-sched.c (sched_init): Likewise. + * ifcvt.c (if_convert): Likewise. + * lcm.c (compute_antinout_edge, compute_laterin, compute_insert_delete, + pre_edge_lcm, compute_available, compute_nearerout, + compute_rev_insert_delete, pre_edge_rev_lcm, optimize_mode_switching): + Likewise. + * predict.c (estimate_probability, process_note_prediction, + note_prediction_to_br_prob): Likewise. + * profile.c (GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): Likewise. + * recog.c (split_all_insns, peephole2_optimize): Likewise. + * regrename.c (copyprop_hardreg_forward): Likewise. + * resource.c (init_resource_info): Likewise. + * sched-rgn.c (build_control_flow, find_rgns, compute_trg_info, + init_regions, schedule_insns): Likewise. + * ssa-ccp.c (ssa_const_prop): Likewise. + * ssa-dce.c (ssa_eliminate_dead_code): Likewise. + * ssa.c (compute_dominance_frontiers, + compute_iterated_dominance_frontiers, convert_to_ssa): Likewise. + + * df.c (df_refs_unlink): Fix FOR_EACH_BB usage (in #if 0'ed code) + * gcse.c (alloc_rd_mem, alloc_avail_expr_mem): Use n_blocks for vector + sizes consistently. + +Mon May 27 14:28:12 CEST 2002 Jan Hubicka <jh@suse.cz> + + * basic-block.h (can_hoist_p, hoist_insn_after, hoist_insn_to_edge): + new. + * rtlanal.c (hoist_test_store, can_hoist_insn_p, hoist_update_store, + hoist_insn_after, hoist_insn_to_edge): New. + +Mon May 27 12:14:02 CEST 2002 Jan Hubicka <jh@suse.cz> + + * basic-block.h (PEOP_SCAN_DEAD_STORES): New. + (PROP_FINAL): Include. + * flow.c (life_analysis, update_life_info, + init_propagate_block_info, mark_set_1, mark_used_rgs): + Support SCAN_DEAD_STORE. + +2002-05-27 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-common.c (c_common_init): Set CPP arithmetic precision. + * cppexp.c (cpp_num_part): Move typedef ... + * cpphash.h: ...here; make unsigned HOST_WIDE_INT. + * cppinit.c (cpp_create_reader): Default to host long arithmetic. + (sanity_checks): Update. + +2002-05-26 Geoffrey Keating <geoffk@redhat.com> + + * Makefile.in (INSTALL_HEADERS): Add 'install-mkheaders'. + (mkheaders): New rule. + (install-mkheaders): New rule. + * configure.in (all_outputs): Add mkheaders. + * configure: Regenerate. + * mkheaders.in: New file. + +2002-05-26 Jakub Jelinek <jakub@redhat.com> + + * cse.c (fold_rtx): Don't optimize if SUBREG changes mode class. + +2002-05-26 Andreas Jaeger <aj@suse.de> + + * cfg.c (dump_flow_info): Remove extra argument to fprintf. + +2002-05-26 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppexp.c (possible_sum_sign, integer_overflow, left_shift, + right_shift): Remove. + (cpp_num, cpp_num_part, PART_PRECISION, HALF_MASK, LOW_PART, + HIGH_PART): New. + (struct op): Use cpp_num. + (num_zerop, num_eq, num_positive, num_greater_freq, num_trim, + num_part_mul, num_unary_op, num_binary_op, num_negate, + num_bitwise_op, num_inequality_op, num_equality_op, num_mul, + num_div_op, num_lshift, num_rshift, append_digit): New. + (interpret_number, parse_defined, eval_token, reduce): Update + for two-integer arithmetic. + (binary_handler): New typedef. + (optab): Update. + (COMPARE, EQUALITY, BITWISE, MINMAX, UNARY, SHIFT): Delete. + (_cpp_parse_expr, reduce): Update to handle two-integers. + * cpplib.c (_cpp_test_assertion): Back up on CPP_EOF. + +2002-05-26 Marek Michalkiewicz <marekm@amelek.gda.pl> + + * config/avr/avr-protos.h (avr_out_sbxx_branch): Declare. + * config/avr/avr.c (jump_over_one_insn_p): Take length of the + branch insn into account, do not assume 1. + (avr_out_sbxx_branch): New function. Optimize cases of skipping + over single word insn. Handle upper half of I/O space too. + * config/avr/avr.md (*sbrx_branch): Use it. + (*sbrx_and_branchhi, *sbrx_and_branchsi): Likewise. + (*sbix_branch, *sbix_branch_bit7): Likewise. + (*sbix_branch_tmp, *sbix_branch_tmp_bit7): New. + Use RTL peepholes to optimize register operand sign tests. + +2002-05-26 Marek Michalkiewicz <marekm@amelek.gda.pl> + + * config/avr/avr.c (avr_asm_only_p): New variable. + (avr_override_options): Set it here if AVR1. + (asm_file_start): Test it here, report an error if set. + +2002-05-26 Kazu Hirata <kazu@cs.umass.edu> + + * alias.c: Fix formatting. + * attribs.c: Likewise. + * bb-reorder.c: Likewise. + * bitmap.c: Likewise. + * bitmap.h: Likewise. + * builtins.c: Likewise. + +Sun May 26 14:00:44 CEST 2002 Jan Hubicka <jh@suse.cz> + + * reload.c (find_valid_class): Accept new argument DEST, + choose class accordingly. + (push_reload): Update callers. + +2002-05-26 Andreas Jaeger <aj@suse.de> + + * combine.c (combine_instructions): Do not indent #if for + traditional C. + +2002-05-25 Richard Henderson <rth@redhat.com> + + * c-pragma.c (apply_pragma_weak): Convert value identifier to + string for decl_attributes. + (handle_pragma_weak): Call assemble_alias if we're modifying + an existing decl. + +2002-05-25 Richard Henderson <rth@redhat.com> + + PR target/6788 + * config/sparc/sparc.c (sparc_output_mi_thunk): New implementation + using rtl instead of fprintf. + * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Use it. + * config/sparc/sparc-protos.h: Update. + +2002-05-25 Neil Booth <neil@daikokuya.demon.co.uk> + + * Makefile.in (C_COMMON_H): Fix. + Update other targets. + * c-common.c: Don't include c-lex.h. + (builtin_define_with_value): Make static and prototype. + (builtin_define_std): Move from c-lex.h. + * c-common.h (init_c_lex): Move from c-lex.h. + * c-decl.c: Don't include c-lex.h. + (make_pointer_declarator): Move from c-parse.in. + * c-lex.c: Don't include c-lex.h. + * c-lex.h: Remove. + * c-parse.in: Don't include c-lex.h; include c-pragma.h. + (make_pointer_declarator): Move to c-decl.c. + * c-pragma.c: Don't include c-lex.h. + * c-pragma.h (yydebug, YYDEBUG, parse_in, c_lex): Move from c-lex.h. + * c-tree.h (make_pointer_declarator): New. +doc: + * passes.texi, tm.texi: Update. +objc: + * Make-lang.in: Update and correct. + * objc-act.c: Don't include c-lex.h or cpplib.h. +treelang: + * treetree.c: Don't include c-lex.h. +config: + * darwin-c.c: Don't include c-lex.h. + * c4x/c4x-c.c: Don't include c-lex.h. + * c4x/t-c4x: Update. + * i370/i370-c.c: Don't include c-lex.h. + * i370/t-i370: Update. + * i960/i960-c.c: Don't include c-lex.h. + * i960/i960.c: Don't include cpplib.h, c-lex.h or c-pragma.h. + * i960/t-960bare: Update. + * i960/t-vxworks: Update. + * rs6000/rs6000-c.c: Don't include c-lex.h; include c-pragma.h. + * rs6000/t-darwin: Update. + * rs6000/t-rs6000-c-rule: Update. + * v850/v850-c.c: Don't include c-lex.h. + * v850/v850.c: Don't include c-lex.h or cpplib.h. + + +2002-05-25 Kazu Hirata <kazu@cs.umass.edu> + + * tree.def: Fix typos. + * doc/install.texi: Likewise. + +2002-05-25 Richard Henderson <rth@redhat.com> + + * configure.in (HAVE_AS_TLS): Add ia64 test. + * configure: Rebuild. + * config/ia64/ia64.c (ia64_tls_size_string, ia64_tls_size): New. + (override_options): Set it. + (TARGET_HAVE_TLS): New. + (sdata_symbolic_operand): Look for 's'. + (tls_symbolic_operand): New. + (ia64_expand_load_address): Abort for tls symbols. + (gen_tls_get_addr): New. + (gen_thread_pointer): New. + (ia64_expand_move): Split out from movdi. Handle tls symbols. + (rtx_needs_barrier): Add new unspecs. + (ia64_encode_section_info): Handle tls symbols. + (ia64_strip_name_encoding): Strip two encoding chars. + * config/ia64/ia64.h (ia64_tls_size, ia64_tls_size_string): New. + (TARGET_TLS14, TARGET_TLS22, TARGET_TLS64): New. + (TARGET_OPTIONS): Add tls-size. + (ENCODE_SECTION_INFO_CHAR): Rename from SDATA_NAME_FLAG_CHAR. + * config/ia64/ia64.md (UNSPEC_LTOFF_DTPMOD, UNSPEC_LTOFF_DTPREL, + UNSPEC_DTPREL, UNSPEC_LTOFF_TPREL, UNSPEC_TPREL, UNSPEC_LD_BASE): New. + (movqi, movhi, movsi, movdi, movti): Use ia64_expand_move. + (movsf, movdf): Likewise. + (movdi_symbolic): Use match_scratch. Don't split if we won't + have a scratch availiable. + (load_ltoff_dtpmod, load_dtprel, load_dtprel64, load_dtprel22, + add_dtprel, add_dtprel14, add_dtprel22, load_ltoff_tprel, load_tprel, + load_tprel64, load_tprel22, add_tprel, add_tprel14, add_tprel22): New. + * config/ia64/ia64-protos.h: Update. + * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use + sdata_symbolic_operand. + (ASM_OUTPUT_LABELREF): Strip two characters. + +2002-05-25 Kazu Hirata <kazu@cs.umass.edu> + + * combine.c (simplify_set): Remove an unnecessary subreg. + +2002-05-25 Marek Michalkiewicz <marekm@amelek.gda.pl> + + * config/avr/avr.c (avr_handle_progmem_attribute): Handle TYPE_DECL. + + * config/avr/avr.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_BSS): New. + +2002-05-25 Gabriel Dos Reis <gdr@codesourcery.com> + + * toplev.c (output_clean_symbol_name): Fix another thinko. Gosh. + +2002-05-25 Roger Sayle <roger@eyesopen.com> + + * simplify-rtx.c (simplify_gen_relational): Simplify the RTX + (cond (compare x y) 0) into the equivalent (cond x y). + +2002-05-25 Gabriel Dos Reis <gdr@codesourcery.com> + + * toplev.c (output_clean_symbol_name): Use xstrdup. Fix thinko. + +2002-05-24 Zack Weinberg <zack@codesourcery.com> + + * config.gcc: Remove all stanzas for previously obsoleted + systems. Where necessary, add explicit error stanzas to + prevent removed systems from being misidentified as something + else. Begin a fresh obsoletions list, with the systems that + were reprieved last round. + * doc/install.texi: Remove all mention of dead targets. + * fixinc/mkfixinc.sh: Likewise. + + * config/arm/arm.h: Bit 31 of target_flags is no longer + reserved. + + * config/1750a/1750a-protos.h, config/1750a/1750a.c, + config/1750a/1750a.h, config/1750a/1750a.md, config/1750a/ms1750.inc, + config/a29k/a29k-protos.h, config/a29k/a29k.c, config/a29k/a29k.h, + config/a29k/a29k.md, config/a29k/rtems.h, config/a29k/t-a29kbare, + config/a29k/t-vx29k, config/a29k/unix.h, config/a29k/vx29k.h, + config/alpha/osf12.h, config/alpha/osf2or3.h, + config/arm/arm-wince-pe.h, config/arm/arm.h, config/arm/riscix.h, + config/arm/riscix1-1.h, config/arm/rix-gas.h, config/arm/t-riscix, + config/clipper/clipper-protos.h, config/clipper/clipper.c, + config/clipper/clipper.h, config/clipper/clipper.md, + config/clipper/clix.h, config/convex/convex-protos.h, + config/convex/convex.c, config/convex/convex.h, + config/convex/convex.md, config/convex/fixinc.convex, + config/convex/proto.h, config/elxsi/elxsi-protos.h, + config/elxsi/elxsi.c, config/elxsi/elxsi.h, config/elxsi/elxsi.md, + config/i386/386bsd.h, config/i386/aix386.h, config/i386/aix386ng.h, + config/i386/bsd386.h, config/i386/dgux.h, config/i386/djgpp-rtems.h, + config/i386/isc.h, config/i386/iscdbx.h, config/i386/linux-oldld.h, + config/i386/next.h, config/i386/osf1-ci.asm, config/i386/osf1-cn.asm, + config/i386/osf1elf.h, config/i386/osf1elfgdb.h, config/i386/osfelf.h, + config/i386/osfrose.h, config/i386/rtems.h, config/i386/seq-gas.h, + config/i386/seq-sysv3.h, config/i386/seq2-sysv3.h, + config/i386/sequent.h, config/i386/sun.h, config/i386/sun386.h, + config/i386/t-dgux, config/i386/t-next, config/i386/t-osf, + config/i386/t-osf1elf, config/i860/bsd-gas.h, config/i860/bsd.h, + config/i860/fx2800.h, config/i860/i860-protos.h, config/i860/i860.c, + config/i860/i860.h, config/i860/i860.md, config/i860/mach.h, + config/i860/paragon.h, config/i860/sysv3.h, config/i860/sysv4.h, + config/i860/t-fx2800, config/i860/varargs.asm, config/m68k/a-ux.h, + config/m68k/altos3068.h, config/m68k/apollo68.h, + config/m68k/aux-crt1.c, config/m68k/aux-crt2.asm, + config/m68k/aux-crtn.asm, config/m68k/aux-exit.c, + config/m68k/aux-low.gld, config/m68k/aux-mcount.c, + config/m68k/auxas.h, config/m68k/auxgas.h, config/m68k/auxgld.h, + config/m68k/auxld.h, config/m68k/ctix.h, config/m68k/dpx2.h, + config/m68k/dpx2.ifile, config/m68k/dpx2cdbx.h, config/m68k/dpx2g.h, + config/m68k/isi-nfp.h, config/m68k/isi.h, config/m68k/lynx-ng.h, + config/m68k/lynx.h, config/m68k/math-3300.h, config/m68k/news.h, + config/m68k/news3.h, config/m68k/news3gas.h, config/m68k/newsgas.h, + config/m68k/next.h, config/m68k/next21.h, config/m68k/rtems.h, + config/m68k/t-aux, config/m68k/t-lynx, config/m68k/t-next, + config/m68k/x-next, config/m88k/dgux.h, config/m88k/dgux.ld, + config/m88k/dguxbcs.h, config/m88k/dolph.h, config/m88k/dolphin.ld, + config/m88k/luna.h, config/m88k/m88k-coff.h, config/m88k/sysv3.h, + config/m88k/t-bug, config/m88k/t-dgux, config/m88k/t-dgux-gas, + config/m88k/t-dguxbcs, config/m88k/t-dolph, config/m88k/t-m88k-gas, + config/m88k/t-tekXD88, config/m88k/tekXD88.h, config/m88k/tekXD88.ld, + config/mips/bsd-4.h, config/mips/bsd-5.h, config/mips/dec-bsd.h, + config/mips/dec-osf1.h, config/mips/elflorion.h, + config/mips/iris4loser.h, config/mips/mips-5.h, config/mips/news4.h, + config/mips/news5.h, config/mips/nws3250v4.h, config/mips/osfrose.h, + config/mips/svr3-4.h, config/mips/svr3-5.h, config/mips/svr4-4.h, + config/mips/svr4-5.h, config/mips/svr4-t.h, config/mips/t-bsd, + config/mips/t-bsd-gas, config/mips/t-svr3, config/mips/t-svr3-gas, + config/mips/t-svr4, config/mips/t-svr4-gas, config/mips/t-ultrix, + config/mips/ultrix.h, config/nextstep-protos.h, config/nextstep.c, + config/nextstep.h, config/nextstep21.h, config/ns32k/encore.h, + config/ns32k/merlin.h, config/ns32k/pc532-mach.h, + config/ns32k/pc532-min.h, config/ns32k/pc532.h, + config/ns32k/sequent.h, config/ns32k/tek6000.h, + config/ns32k/tek6100.h, config/ns32k/tek6200.h, config/pj/lib1funcs.S, + config/pj/linux.h, config/pj/pj-protos.h, config/pj/pj.c, + config/pj/pj.h, config/pj/pj.md, config/pj/pjl.h, config/pj/t-pj, + config/sparc/rtems.h, config/we32k/we32k-protos.h, + config/we32k/we32k.c, config/we32k/we32k.h, config/we32k/we32k.md: + Delete file. + +2002-05-24 Richard Henderson <rth@redhat.com> + + * flags.h (TLS_MODEL_GLOBAL_DYNAMIC): Set to 1. + * toplev.c (flag_tls_default) Set to TLS_MODEL_GLOBAL_DYNAMIC. + * config/i386/i386.c (tls_model_chars): Add leading space. + (tls_symbolic_operand): Don't bias by 1. + (legitimize_address): Don't unbias by 1. + +2002-05-24 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com> + + * lcm.c (optimize_mode_switching): Change bb used as indices + to bb->index. + +2002-05-24 Richard Henderson <rth@redhat.com> + + * config/ia64/ia64.c (ia64_reorg): Use update_life_info instead + of update_life_info_in_dirty_blocks. + +2002-05-24 Jakub Jelinek <jakub@redhat.com> + + PR other/6782 + * final.c (get_mem_expr_from_op): Return 0 if op is NULL. + +2002-05-24 Neil Booth <neil@daikokuya.demon.co.uk> + + PR preprocessor/6780 + * cppmacro.c (enter_macro_context): Clear state.angled_headers. + +2002-05-24 Jim Blandy <jimb@redhat.com> + + * dwarf2out.c (dwarf2out_finish): Don't forget to emit a final + entry with a type code of zero, marking the end of the compilation + unit's macro info. + +2002-05-24 Richard Henderson <rth@redhat.com> + + * varasm.c (asm_output_bss): Always output one byte. + * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Likewise. + +2002-05-24 Bryce McKinlay <bryce@waitaki.otago.ac.nz> + + * tree.c (decl_type_context): Return NULL_TREE if decl's context is a + namespace. + +2002-05-24 Andreas Jaeger <aj@suse.de> + + * ggc-page.c (alloc_page): Cast variables of type size_t to + unsigned long, adjust printf format string. + (ggc_alloc): Likewise. + (ggc_print_statistics): Likewise. + (ggc_print_statistics): Correct printf format string for SCALE to + use unsigned long. + +2002-05-24 Danny Smith <dannysmith@users.sourceforge.net> + + * config/i386/mingw32.h (CPP_SPEC): Remove -remap. + +2002-05-23 Gabriel Dos Reis <gdr@codesourcery.com> + Zack Weinberg <zack@codesourcery.com> + + * config/i386/mingw32.h (OUTPUT_QUOTED_STRING): Properly output + quoted strings. + * dwarf2out.c (lookup_filename): Properly quote filename in .file + directive in assembly file. + * config/m68k/dpx2.h (ASM_OUTPUT_SOURCE_FILENAME): Likewise. + * config/m88k/m88k.h (ASM_OUTPUT_SOURCE_FILENAME): Likewise. + * config/pj/pj.h (ASM_FILE_START): Likewise. + * config/rs6000/xcoff.h (ASM_FILE_START): Likewise. + * config/avr/avr.c (asm_file_end): Likewise. + * toplev.c (output_quoted_string): Handle possibly signed plain + char. + * toplev.h (output_clean_symbol_name): Declare + * toplev.c (output_clean_symbol_name): Define. + * config/alpha/alpha.c (unicosmk_output_module_name): Use it. + * config/1750a/1750a.h (ASM_FILE_START): Likewise. + +2002-05-24 Alan Modra <amodra@bigpond.net.au> + + * config/rs6000/rs6000.c (output_toc): Mask longs to 32 bits. + +2002-05-23 Vladimir Makarov <vmakarov@redhat.com> + + * genautomata.c (reserv_sets_hash_value): Use shift equal to 3/4 + of size of unsigned. + +2002-05-23 Richard Henderson <rth@redhat.com> + + * configure.in (HAVE_AS_TLS): New test. + * config.in, configure: Rebuild. + * config/i386/i386.c (TARGET_HAVE_TLS): Set if HAVE_AS_TLS. + (ix86_tls_dialect_string, ix86_tls_dialect): New. + (override_options): Set it. + (tls_model_chars, tls_symbolic_operand): New. + (tls_symbolic_operand_1, global_dynamic_symbolic_operand): New. + (local_dynamic_symbolic_operand, initial_exec_symbolic_operand): New. + (local_exec_symbolic_operand): New. + (get_pic_label_name): Merge into output_set_got. + (ix86_asm_file_end): Emit pic_label_name if defined. + (legitimate_constant_p, constant_address_p): New. + (legitimate_pic_operand_p): New. + (legitimate_pic_address_disp_p): Handle GOTTPOFF, NTPOFF, DTPOFF. + (legitimate_address_p): Likewise. + (ix86_encode_section_info): Rename from i386_; handle tls decls. + (ix86_strip_name_encoding): New. + (get_thread_pointer): New. + (legitimize_address): Handle tls symbols. + (output_pic_addr_const): Handle GOTTPOFF, TPOFF, NTPOFF, DTPOFF. + Remove UNSPEC_PLT. + (struct machine_function): Add some_ld_name. + (get_some_local_dynamic_name, get_some_local_dynamic_name_1): Set it. + (print_operand) [&]: Use it. Handle UNSPEC_TP. + (output_addr_const_extra): New. + (maybe_get_pool_constant): New. + (ix86_split_to_parts): Use it. + (ix86_expand_move): Handle tls symbols. + (ix86_tls_get_addr): New. + * config/i386/i386.h (TARGET_GNU_TLS, TARGET_SUN_TLS): New. + (TARGET_OPTIONS): Add tls-dialect. + (CONSTANT_ADDRESS_P): Use new out-of-line function. + (LEGITIMATE_CONSTANT_P): Likewise. + (LEGITIMATE_PIC_OPERAND_P): Likewise. + (TARGET_STRIP_NAME_ENCODING): New. + (ASM_OUTPUT_LABELREF): New. + (PRINT_OPERAND_PUNCT_VALID_P): Add '&'. + (OUTPUT_ADDR_CONST_EXTRA): New. + (PREDICATE_CODES): Update. + (ix86_tls_dialect, ix86_tls_dialect_string): New. + * config/i386/i386.md: Regroup and renumber unspec constants. + (tls_global_dynamic_gnu, tls_global_dynamic_sun): New. + (tls_local_dynamic_base_gnu, tls_local_dynamic_base_sun): New. + (tls_global_dynamic, tls_local_dynamic_base): New. + (tls_local_dynamic_once): New. + * config/i386/i386-protos.h: Update. + +2002-05-23 Richard Henderson <rth@redhat.com> + + * genemit.c (gen_insn): Print file:lineno comment before function. + (main): likewise. + * gensupport.c (struct queue_elem): Add filename member. + (queue_pattern): Initialize it; update all callers. + (process_include): Don't free filename. + (read_md_rtx): Set read_rtx_filename. + +2002-05-23 Hans Boehm <Hans_Boehm@hp.com> + + * config/ia64/linux.h (IA64_GATE_AREA_END): Adjust for 64K pages. + +2002-05-23 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (output_set_got): Fix typo in pic no-deep case. + +2002-05-23 Richard Henderson <rth@redhat.com> + + * doc/extend.texi (C++98 Thread-Local Edits): Update with + commentary from Mark. + +2002-05-23 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz> + + * bb-reorder.c (make_reorder_chain, make_reorder_chain_1): + Use FOR_EACH_BB macros to iterate over basic block chain. + * cfg.c (clear_edges, clear_bb_flags, dump_flow_info, + alloc_aux_for_blocks, clear_aux_for_blocks, alloc_aux_for_edges): + Likewise. + * cfganal.c (set_edge_can_fallthru_flag, flow_call_edges_add, + find_unreachable_blocks, create_edge_list, verify_edge_list, + remove_fake_edges, add_noreturn_fake_exit_edges, + flow_preorder_transversal_compute, flow_dfs_compute_reverse_execute): + Likewise. + * cfgbuild.c (make_edges, find_basic_blocks, find_many_sub_basic_blocks, + find_sub_basic_blocks): Likewise. + * cfgcleanup.c (try_optimize_cfg, delete_unreachable_blocks): + Likewise. + * cfglayout.c (record_effective_endpoints, cleanup_unconditional_jumps): + Likewise. + * cfgloop.c (flow_loops_cfg_dump, flow_loops_find): + Likewise. + * cfgrtl.c (compute_bb_for_insn, tidy_fallthru_edges, + commit_edge_insertions, commit_edge_insertions_watch_calls, + print_rtl_with_bb, verify_flow_info, purge_all_dead_edges): Likewise. + * combine.c (combine_instructions, reg_dead_at_p): Likewise. + * conflict.c (conflict_graph_compute): Likewise. + * df.c (df_bitmaps_alloc, df_bitmaps_free, df_alloc, df_analyse_1, + df_modified_p, df_refs_unlink, df_dump): Likewise. + * dominance.c (calc_dfs_tree, calculate_dominance_info): Likewise. + * final.c (compute_alignments): Likewise. + * flow.c (update_life_info, update_life_info_in_dirty_blocks, + delete_noop_moves, calculate_global_regs_live, allocate_bb_life_data, + count_or_remove_death_notes): Likewise. + * gcse.c (oprs_unchanged_p, record_last_reg_set_info, + compute_hash_table, compute_kill_rd, compute_rd, compute_ae_kill, + classic_gcse, compute_transp, cprop, compute_pre_data, + compute_transpout, invalidate_nonnull_info, + delete_null_pointer_checks_1, delete_null_pointer_checks, + compute_code_hoist_vbeinout, hoist_code, compute_ld_motion_mems, + compute_store_table, build_store_vectors, store_motion): Likewise. + * global.c (global_conflicts, mark_elimination): Likewise. + * graph.c (print_rtl_graph_with_bb): Likewise. + * haifa-sched.c (sched_init): Likewise. + * ifcvt.c (if_convert): Likewise. + * lcm.c (compute_antinout_edge, compute_laterin, compute_insert_delete, + compute_available, compute_nearerout, compute_rev_insert_delete, + optimize_mode_switching): Likewise. + * local-alloc.c (local_alloc, update_equiv_regs): Likewise. + * predict.c (estimate_probability, note_prediction_to_br_prob, + propagate_freq, counts_to_freqs, expensive_function_p, + estimate_bb_frequencies): Likewise. + * profile.c (instrument_edges, get_exec_counts, + compute_branch_probabilities, compute_checksum, branch_prob, + find_spanning_tree): Likewise. + * recog.c (split_all_insns, peephole2_optimize): Likewise. + * reg-stack.c (reg_to_stack, convert_regs_entry, convert_regs): + Likewise. + * regclass.c (scan_one_insn, regclass): Likewise. + * regmove.c (mark_flags_life_zones, regmove_optimize, + record_stack_memrefs): Likewise. + * regrename.c (regrename_optimize, copyprop_hardreg_forward): Likewise. + * reload1.c (reload, reload_combine, fixup_abnormal_edges): Likewise. + * resource.c (find_basic_block): Likewise. + * sched-ebb.c (schedule_ebbs): Likewise. + * sched-rgn.c (is_cfg_nonregular, build_control_flow, + find_single_block_region, find_rgns, schedule_insns) + * sibcall.c (optimize_sibling_and_tail_recursive_call) + * ssa-ccp.c (optimize_unexecutable_edges, + ssa_ccp_df_delete_unreachable_insns): Likewise. + * ssa-dce.c (ssa_eliminate_dead_code): Likewise. + * ssa.c (find_evaluations, compute_dominance_frontiers_1, + rename_block, convert_to_ssa, compute_conservative_reg_partition, + compute_coalesced_reg_partition, rename_equivalent_regs, + convert_from_ssa): Likewise. + * config/ia64/ia64.c (emit_predicate_relation_info, process_epilogue, + process_for_unwind_directive): Likewise. + + * df.c (FOR_ALL_BBS): Removed. + * gcse.c (struct null_pointer_info): Type of current_block field + changed. + (struct reg_avail_info): Type of last_bb field changed. + * config/ia64/ia64.c (block_num): Removed. + (need_copy_state): Type changed. + (last_block): New. + +2002-05-23 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinit.c (mark_named_operators): Split out from init_builtins. + (cpp_finish_options): Call it from here instead. + +2002-05-23 Jason Thorpe <thorpej@wasabisystems.com> + + * builtin-attrs.def: Update copyright years. + (ATTR_NONNULL): New attribute identifier. + (ATTR_NONNULL_1, ATTR_NONNULL_2, ATTR_NONNULL_3): New + attribute tree lists. + (DEF_FORMAT_ATTRIBUTE): Chain a nonnull attribute for the + format operand. + (ATTR_FORMAT_ARG_1, ATTR_FORMAT_ARG_2): Use... + (DEF_FORMAT_ARG_ATTRIBUTE): ...this to generate format_arg + attribute lists. Chain the appropriate nonnull attribute. + * c-format.c (check_format_arg): Remove null format string + warning. + * testsuite/gcc.dg/format/null-1.c: New test. + +2002-05-23 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * Makefile.in (ADAC): Define. + (SYSLIBS): Define. + (.SUFFIXES): Move before language makefile fragments. + (STAGE2_FLAGS_TO_PASS): Use stage CC as ADAC. + +2002-05-23 Mark Mitchell <mark@codesourcery.com> + + * varasm.c (make_decl_rtl): Don't allow weak variables to be + placed in common. + +Thu May 23 19:43:41 CEST 2002 Jan Hubicka <jh@suse.cz> + + * cfg.c (dump_flow_info): Print results of + maybe_hot/probably_never_executed predicates. + * toplev.c (open_dump_file): Print function frequency. + +2002-05-23 David S. Miller <davem@redhat.com> + + * cse.c (approx_reg_cost_1, approx_reg_cost): Recode to not use + regsets. + +2002-05-23 Jason Thorpe <thorpej@wasabisystems.com> + + * c-common.c (warn_nonnull): Declare. + (c_common_attribute_table): Add "nonnull" attribute. + (handle_nonnull_attribute, check_function_nonnull, nonnull_check_p, + check_nonnull_arg, get_nonnull_operand, check_function_arguments, + check_function_arguments_recurse): New functions. + * c-common.h (warn_nonnull): Declare extern. + (check_function_arguments, check_function_arguments_recurse): New + prototypes. + * c-decl.c (c_decode_option): Add -Wnonnull option. + * c-format.c (set_Wformat): Set warn_nonnull if enabling + format checking. + (format_check_context): New structure. + (check_format_info_recurse): Remove recursion and rename to... + (check_format_arg): ...this. Update comment. + (check_format_info): Use check_function_arguments_recurse. + * c-typeck.c (build_function_call): Call check_function_arguments + instead of check_function_format. + * doc/extend.texi: Document "nonnull" attribute. + * doc/invoke.texi: Docuemnt -Wnonnull option. + * testsuite/gcc.dg/nonnull-1.c: New test. + * testsuite/gcc.dg/nonnull-2.c: New test. + +2002-05-23 David S. Miller <davem@redhat.com> + + * basic-block.h (CLEANUP_NO_INSN_DEL): Define it. + * cfgcleanup.c (cleanup_cfg): If it is set do not + attempt to delete trivially dead insns. + * except.c (finish_eh_generation): Pass it to cleanup_cfg. + * toplev.c (rest_of_compilation): Document non-trivial aspect + the RTL before optimize_save_area_alloca is run. + +2002-05-23 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lex.c (indent_level): Remove. + (cb_file_change, c_lex): Remove indent level handling. + * c-lex.h (indent_level): Remove. + * input.h (struct file_stack): Remove indent_level. + * toplev.c (push_srcloc): Remove indent_level handling. + +2002-05-23 Jakub Jelinek <jakub@redhat.com> + + PR target/6753 + * config/i386/i386.md (sse_movdfcc, sse_movdfcc_eq): Use Y instead + of x in constraints for clarity. + (sse_mov?fcc split): abort if op2 == op3. + (sse_movsfcc_const0_1, sse_movsfcc_const0_2, sse_movsfcc_const0_3, + sse_movsfcc_const0_4): Add earlyclobber. + (sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3, + sse_movdfcc_const0_4): Likewise. Use DFmode, not SFmode. + Use Y instead of x in constraints. + +2002-05-23 Richard Henderson <rth@redhat.com> + + * doc/extend.texi (C99 Thread-Local Edits): New subsection. + (C++98 Thread-Local Edits): New subsection. + + * config/i386/i386.c, config/i386/i386.h: Tidy comments and whitespace. + (ix86_arch): Set type to enum processor_type. + + * config/i386/i386.md (movsi_1, movdi_1_rex64): Use + LEGITIMATE_PIC_OPERAND_P not SYMBOLIC_CONST. + +2002-05-23 Jakub Jelinek <jakub@redhat.com> + + * configure.in: Fix as version test for binutils 2.12.1 releases + (without dates). + * configure: Rebuilt. + +2002-05-23 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (get_pic_label_name): New. + (load_pic_register): Remove. + (output_set_got): New. + (ix86_expand_prologue): Use gen_set_got; mark insn REG_MAYBE_DEAD. + * config/i386/i386.md (UNSPEC_SET_GOT): New. + (UNSPECV_PROLOGUE_SET_GOT, UNSPECV_PROLOGUE_GET_PC): Remove. + (prologue_set_got, prologue_get_pc): Remove. + (set_got, set_got_nopic, set_got_deep, set_got_nodeep): New. + (builtin_setjmp_receiver): Use gen_set_got. + * config/i386/i386-protos.h: Update. + +Thu May 23 09:22:23 CEST 2002 Jan Hubicka <jh@suse.cz> + + * gcse.c (hash_expr): Do not use alias set for hashing. + +2002-05-22 Kevin Buettner <kevinb@redhat.com> + + * dbxout.c (dbxout_class_name_qualifiers): New function. + (dbxout_symbol): Output class/struct qualifiers for a .stabs entry. + +2002-05-23 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpperror.c (_cpp_begin_message): No special casing + of CPP_FATAL_LIMIT. + * cppinit.c (sanity_checks): s/DL_FATAL/DL_ICE/. + (output_deps, cpp_handle_option, cpp_post_options): Use DL_ERROR. + * cpplib.c (do_include_common): Use DL_ERROR. + * cpplib.h (CPP_FATAL_LIMIT, CPP_FATAL_ERRORS, DL_FATAL): Remove. + (DL_ICE): Renumber. + * fix-header.c (read_scan_file): Update. + +2002-05-22 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (ix86_expand_call): New function, extracted + from md call patterns. Add pic_offset_table_rtx to + CALL_INSN_FUNCTION_USAGE when needed. + * config/i386/i386.md (call_pop, call): Use ix86_expand_call. + (call_value_pop, call_value, untyped_call): Likewise. + (call_exp, call_value_exp): Remove. + * config/i386/i386-protos.h: Update. + +2002-05-22 Richard Henderson <rth@redhat.com> + + * varasm.c (default_section_type_flags): Check for VAR_DECL + before using DECL_THREAD_LOCAL. + +2002-05-22 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/aix43.h (LINK_SPEC): Add PE initializer. + (STARTFILE_SPEC): Delete PE crt0.o. + * config/rs6000/aix51.h: Same. + * config/rs6000/rs6000.c: Use TARGET_XCOFF, not OBJECT_FORMAT_COFF. + * config/rs6000/rs6000.h (ASM_WEAKEN_DECL): Append [DS] to + function descriptor symbol. Use RS6000_OUTPUT_BASENAME. + (ASM_OUTPUT_DEF_FROM_DECLS): Use RS6000_OUTPUT_BASENAME. + * config/rs6000/xcoff.h (ASM_OUTPUT_DEF): Define. + +2002-05-22 Richard Henderson <rth@redhat.com> + + * varasm.c (default_section_type_flags): Handle tls data and + default sections. + (default_unique_section): Handle tls sections. + +2002-05-23 Alan Modra <amodra@bigpond.net.au> + + * configure.in (CROSS): Define NATIVE_CROSS. + * configure: Regenerate. + * gcc.c (STARTFILE_PREFIX_SPEC): Define. + (startfile_prefix_spec): New var. + (static_specs): Add startfile_prefix_spec. + (do_spec_2): Split out from.. + (do_spec): ..here. + (main): Process startfile_prefix_spec. + * config/rs6000/linux64.h (LINK_OS_LINUX_SPEC) Change name of + dynamic linker. + (STARTFILE_PREFIX_SPEC): Define. + (STARTFILE_LINUX_SPEC, ENDFILE_LINUX_SPEC): Rewrite without + absolute paths. + +2002-05-22 Kazu Hirata <kazu@cs.umass.edu> + + * cpperror.c: Fix formatting. + * cppexp.c: Likewise. + * cppfiles.c: Likewise. + * cpphash.c: Likewise. + * cpphash.h: Likewise. + * cppinit.c: Likewise. + * cpplex.c: Likewise. + * cpplib.c: Likewise. + * cppmacro.c: Likewise. + * cppmain.c: Likewise. + * cppspec.c: Likewise. + +2002-05-22 Jakub Jelinek <jakub@redhat.com> + + * combine.c (force_to_mode): Use gen_int_mode. + Don't clear CONST_INT bits outside of mode. + +2002-05-22 Richard Henderson <rth@redhat.com> + + * fixinc/inclhack.def (thread_keyword): Match __thread as last arg. + * fixinc/fixincl.x, fixinc/tests/base/pthread.h: Rebuild. + +2002-05-22 Jakub Jelinek <jakub@redhat.com> + + PR c/6643 + * emit-rtl.c (widen_memory_access): Only call compare_tree_int + if DECL_SIZE_UNIT is INTEGER_CST. + +2002-05-22 Richard Henderson <rth@redhat.com> + + * flow.c (life_analysis): Delete broken reg_label check. + +2002-05-22 Richard Henderson <rth@redhat.com> + + * fixinc/inclhack.def (thread_keyword): Allow as any prototype arg. + * fixinc/fixincl.x, fixinc/tests/base/pthread.h: Rebuild. + +Wed May 22 18:39:57 2002 J"orn Rennecke <joern.rennecke@superh.com> + + * t-sh (LIB2FUNCS_EXTRA): Now embed-bb.c. + (embed-bb.c): New rule. + * t-sh64 (LIB2FUNCS_EXTRA): Don't change. + * config/sh/embed_bb.c: Delete. + +Wed May 22 18:25:29 2002 J"orn Rennecke <joern.rennecke@superh.com> + + * c-common.c (cb_register_builtins): Don't indent '#' of #define. + +2002-05-22 Kazu Hirata <kazu@cs.umass.edu> + + * config/h8300/h8300.md (*andorqi3): New. + +2002-05-22 Neil Booth <neil@daikokuya.demon.co.uk> + + PR preprocessor/6517 + * Makefile.in: Update. + * c-common.c (c_common_post_options): Add preprocessor + errors to the error count. + * c-lang.c (c_post_options): Kill. + (LANG_HOOKS_POST_OPTIONS): Use c_common_post_options. + * hooks.h: Add header guards. + * langhooks-def.h: Include hooks.h. + (LANG_HOOKS_POST_OPTIONS): Update. + * langhooks.h (struct lang_hooks): Update post_options. + * toplev.c (parse_options_and_default_flags): Update. +objc: + * objc-lang.c (objc_post_options): Kill. + (LANG_HOOKS_POST_OPTIONS): Use c_common_post_options. + +2002-05-21 Bruce Korb <bkorb@gnu.org> + + * fixinc/tests/base/pthread.h(THREAD_KEYWORD_CHECK): add fix check + * fixinc/inclhack.def(thread_keyword): use c_fix = format. + * fixinc/fixincl.x: regen. + +2002-05-21 Kazu Hirata <kazu@cs.umass.edu> + + * cfgbuild.c: Fix formatting. + * cfg.c: Likewise. + * cfgcleanup.c: Likewise. + * cfglayout.c: Likewise. + * cfgloop.c: Likewise. + * cfgrtl.c: Likewise. + +2002-05-21 Richard Henderson <rth@redhat.com> + + * c-common.h (enum rid): Add RID_THREAD. + * c-decl.c (start_decl): Do not set DECL_COMMON for tls variables. + (grokdeclarator): Grok __thread. + * c-parse.in (reswords): Add __thread. + (rid_to_yy): Add RID_THREAD. + + * tree.h (DECL_THREAD_LOCAL): New. + (struct tree_decl): Add thread_local_flag. + * print-tree.c (print_node): Dump DECL_THREAD_LOCAL. + * tree.c (staticp): TLS variables are not static. + + * target-def.h (TARGET_HAVE_TLS): New. + * target.h (have_tls): New. + * output.h (SECTION_TLS): New. + * varasm.c (assemble_variable): TLS variables can't be common for now. + (default_section_type_flags): Handle .tdata and .tbss. + (default_elf_asm_named_section): Handle SECTION_TLS. + (categorize_decl_for_section): Handle DECL_THREAD_LOCAL. + + * flags.h (flag_tls_default): Declare. + * toplev.c (flag_tls_default): Define. + (display_help): Display help for it. + (decode_f_option): Set it. + + * doc/extend.texi (Thread-Local): New node describing language-level + thread-local storage. + * doc/invoke.texi (-ftls-model): Document. + + * fixinc/inclhack.def (thread_keyword): New. + * fixinc/fixincl.x: Rebuild. + +2002-05-21 Jeffrey A Law <law@redhat.com> + + * optabs.c (expand_binop): For double-word integer multiplies, + do not compute intermediate results into something that is + not a register (such as a SUBREG or MEM). + + * i386.c (ix86_sched_reorder_ppro): Fix typo/thinko. + (ix86_sched_reorder): Make sure to initialize scheduling + data even when there's only one insn in the ready queue. + +2002-05-21 Vladimir Makarov <vmakarov@redhat.com> + + * genautomata.c (reserv_sets_hash_value): Fix a typo. + +2002-05-21 Vladimir Makarov <vmakarov@redhat.com> + + * genautomata.c (reserv_sets_hash_value): Define hash_value as + set_el_t. Transform the hash value into unsigned. + (output_cycle_reservs): Fix bug with output of repeated `nothing'. + (transform_3): Add code to process `(A,B)+(D,E)'. + +2002-05-21 NIIBE Yutaka <gniibe@m17n.org> + + * reload1.c (do_output_reload): Run delete_output_reload + only if optimizing. + +2002-05-21 Roger Sayle <roger@eyesopen.com> + + PR middle-end/6600 + * expr.c (STORE_MAX_PIECES): New macro to avoid immediate constants + larger than INTEGER_CST. (store_by_pieces_1): Use it here... + (can_store_by_pieces): ... and here to limit the largest mode used. + Add a comment to document this function. + +2002-05-21 Richard Henderson <rth@redhat.com> + + * flow.c (life_analysis): Fix test for deleted label. + +2002-05-21 Neil Booth <neil@daikokuya.demon.co.uk> + + * doc/tm.texi: Fix typo. + +2002-05-21 Zack Weinberg <zack@codesourcery.com> + + * c-common.c (c_common_init): Set options->unsigned_char from + flag_signed_char. + (cb_register_builtins): Define __STRICT_ANSI__ and + __CHAR_UNSIGNED__ here... + * cppinit.c (init_builtins): Not here. + (cpp_create_reader): unsigned_char option defaults to 0, not + !DEFAULT_SIGNED_CHAR. + (COMMAND_LINE_OPTIONS, cpp_handle_option): Lose -fsigned-char + and -funsigned-char. + + * cpphash.h (struct spec_nodes): Kill n__STRICT_ANSI__. + * cpphash.c (_cpp_init_hashtable): Don't set it. + * cppmacro.c (builtin_macro) [BT_STDC]: Use the language setting + directly. Clarify comment. + +2002-05-21 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz> + + * bb-reorder.c (make_reorder_chain_1): Use prev_bb/next_bb to get to + neighboring basic blocks. Use ENTRY_BLOCK_PTR->next_bb instead of + BASIC_BLOCK (0). Use EXIT_BLOCK_PTR->prev_bb instead of + BASIC_BLOCK (n_basic_blocks - 1). + * cfganal.c (can_fallthru, flow_call_edges_add, + flow_preorder_transversal_compute): Too. + * cfgbuild.c (make_edges, find_basic_blocks, find_many_sub_basic_blocks, + find_sub_basic_blocks): Too. + * cfgcleanup.c (try_simplify_condjump, try_optimize_cfg): Too. + * cfglayout.c (skip_insns_after_block, fixup_reorder_chain, + fixup_fallthru_exit_predecessor, cfg_layout_redirect_edge): Too. + * cfgrtl.c (tidy_fallthru_edges, verify_flow_info): Too. + * combine.c (this_basic_block): Type changed to basic_block. + (combine_instructions, set_nonzero_bits_and_sign_copies, try_combine, + nonzero_bits, num_sign_bit_copies, get_last_value_validate, + get_last_value, distribute_notes, distribute_links): Too. + * final.c (compute_alignments): Too. + * flow.c (regno_uninitialized, regno_clobbered_at_setjmp): Too. + * function.c (thread_prologue_and_epilogue_insns): Too. + * gcse.c (compute_code_hoist_vbeinout): Too. + * global.c (build_insn_chain): Too. + * ifcvt.c (find_if_block, find_cond_trap): Too. + * predict.c (last_basic_block_p, note_prediction_to_br_prob): Too. + * regmove.c (regmove_optimize): Too. + * resource.c (find_basic_block): Too. + * sched-ebb.c (schedule_ebbs): Too. + * ssa-dce.c (find_control_dependence, find_pdom): Too. + +2002-05-21 Andreas Jaeger <aj@suse.de> + + * cppinit.c (sanity_checks): Avoid printf mismatch warnings. + +2002-05-21 Richard Henderson <rth@redhat.com> + + * reg-stack.c (swap_rtx_condition, subst_stack_regs_pat): Use + unspec names, not numbers. + +2002-05-21 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/sourcebuild.texi: Mention snapshot-README and + snapshot-index.html as needing updating for new front ends. + +2002-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * rtl.h (SUBREG_PROMOTED_UNSIGNED_SET): Avoid warnings when + disabling checking, and avoid multiple evaluation of RTX. + +2002-05-21 Richard Earnshaw <rearnsha@arm.com> + + * bitmap.c (bitmap_find_bit): Return early if we have the correct + element cached. + +Tue May 21 10:51:54 CEST 2002 Jan Hubicka <jh@suse.cz> + + * profile.c (gen_edge_profiler): Set alias set before the memory is + used. + +2002-05-20 David S. Miller <davem@redhat.com> + + * cselib.c (max_value_regs): New. + (cselib_lookup, cselib_invalidate_regno): Initialize it when + adding new entries to the REG_VALUES table and we are dealing with + a hard register. + (clear_table): Initialize it. + (cselib_invalidate_regno): Use it to determine which hard + registers to scan when mode is not VOIDmode. + +2002-05-20 Duraid Madina <duraid@fl.net.au> + + * tradcpp.c (fixup_newlines): Use old-style function header. + +2002-05-20 Krister Walfridsson <cato@df.lth.se> + + * reload1.c (reload_cse_simplify): Fix typo in rtx code check. + +2002-05-20 H.J. Lu (hjl@gnu.org) + + Base on suggestions from Zhang Fuxin <fxzhang@ict.ac.cn>: + + * config/mips/mips.h (DFMODE_NAN): Defined. + (SFMODE_NAN): Likewise. + +2002-05-20 Dale Johannesen <dalej@apple.com> + + * combine.c (cant_combine_insn_p): Back out my + previous patch. + +2002-05-20 Kazu Hirata <kazu@cs.umass.edu> + + * params.c: Fix formatting. + * params.h: Likewise. + * predict.c: Likewise. + * prefix.c: Likewise. + * print-rtl.c: Likewise. + * print-tree.c: Likewise. + * profile.c: Likewise. + +2002-05-20 H.J. Lu (hjl@gnu.org) + + * gcc/config/mips/linux.h (SDB_DEBUGGING_INFO): Undefine. + +2002-05-20 Nick Clifton <nickc@cambridge.redhat.com> + + * config/arm/arm-wince-pe.h (ASM_SPEC): Pass -mcpu and -march + switches straight on to the assembler, do not abbreviate them. + * config/arm/elf.h (ASM_SPEC): As above. + * config/arm/semi.h (ASM_SPEC): As above. + * config/arm/unknown-elf-oabi.h (ASM_SPEC): As above. + * config/arm/xscale-coff.h (SUBTARGET_ASM_SPEC): Pass + -mcpu=xscale on to the assembler by default. + * config/arm/xscale-elf.h (SUBTARGET_ASM_SPEC): As above. + +2002-05-20 Richard Henderson <rth@redhat.com> + + * cse.c (canon_hash): Reorder do_not_record test. Always + allow pic_offset_table_rtx. + +2002-05-19 Toon Moene <toon@moene.indiv.nluug.nl> + + * optabs.c (expand_cmplxdiv_wide): Use complex_part_zero_p. + (expand_binop): Ditto (3 times). + +2002-05-19 Mark Mitchell <mitchell@doubledemon.codesourcery.com> + + * Makefile.in (distclean): Remove QMTest stuff. + (QMTEST_PATH): New variable. + (QMTESTFLAGS): Likewise. + (QMTESTRUNFLAGS): Likewise. + (QMTEST): Likewise. + (QMTEST_GPP_TESTS): Likewise. + (QMTEST_DIR): Likewise. + (QMTEST_DIR/context): New target. + (qmtest-g++): Likeise. + (qmtest-gui): Likewise. + (QMTEST_DIR/gpp-expected.qmr): Likewise. + +2002-05-19 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.h (FUNCTION_VALUE): Only return vectors in + an altivec register if TARGET_ALTIVEC. + + * config/rs600/rs6000.c (rs6000_emit_move): Change VECTOR_MODE_P + to ALTIVEC_VECTOR_MODE. + (rs6000_va_arg): Only vectors of type AltiVec are 16 byte aligned. + (rs6000_va_arg): Vectors may go in registers if they are not + altivec vectors. + +2002-05-19 Kazu Hirata <kazu@cs.umass.edu> + + * protoize.c: Fix formatting. + +2002-05-19 Richard Henderson <rth@redhat.com> + + * gensupport.c (init_include_reader): Merge into ... + (process_include): ... here. Simplify composite path creation. + Plug memory leaks. Fix file/line number tracking. Do not + process_define_cond_exec. Return void. + (process_rtx): Don't check process_include return value. + +2002-05-20 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz> + + * basic_block.h (struct basic_block_def): Added prev_bb and next_bb + fields. + (FOR_BB_BETWEEN, FOR_ALL_BB, FOR_ALL_BB_REVERSE): New macros for + traversing basic block chain. + (create_basic_block_structure, create_basic_block): Declaration changed. + (link_block, unlink_block): Declare. + * cfg.c (entry_exit_blocks): Initialize new fields. + (link_block, unlink_block): New. + (expunge_block_nocompact): Unlink basic block. + (dump_flow_info): Print prev_bb/next_bb fields. + * cfgbuild.c (find_basic_blocks_1, find_basic_blocks): Modified. + * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Modified. + * cfglayout.c (fixup_reorder_chain, cfg_layout_duplicate_bb): Modified. + * cfgrtl.c (create_basic_block_structure, create_basic_block, + split_block, force_nonfallthru_and_redirect, split_edge): Modified. + (verify_flow_info): Check that list agrees with numbering. + +2002-05-19 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-common.c (preprocessing_asm): New macro. + * c-lex.h (builtin_define, builtin_assert): Use pfile. +doc: + * tm.texi: Update. +config/alpha: + * alpha.h (CPLUSPLUS_CPP_SPEC): Remove. + (CPP_SPEC): Simplify. + (TARGET_CPU_CPP_BUILTINS): Update. + * freebsd.h (TARGET_OS_CPP_BUILTINS): New. + (CPP_SPEC): Simplify. + * linux.h (CPLUSPLUS_CPP_SPEC): Remove. + (TARGET_OS_CPP_BUILTINS): Update. + * osf.h (CPP_XFLOAT_SPEC): Kill. + (TARGET_OS_CPP_BUILTINS): Update. + (CPP_SUBTARGET_SPEC, SUBTARGET_EXTRA_SPECS): Simplify. + * osf5.h (CPP_XFLOAT_SPEC): Kill. + * vms.h (CPP_SUBTARGET_SPEC): Kill. + (TARGET_OS_CPP_BUILTINS): Update. + +2002-05-19 Richard Henderson <rth@redhat.com> + + * varasm.c (default_binds_local_p): Fix typo. + +2002-05-19 Marek Michalkiewicz <marekm@amelek.gda.pl> + + * config/avr/avr.c (machine_dependent_reorg): Sign extend the + CONST_INT operand to the correct mode after adding 1 to it. + +2002-05-19 Mark Mitchell <mark@codesourcery.com> + + * config.gcc (powerpc-wrs-windiss*): New target. + +2002-05-19 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * config/rs6000/rs6000.md (ashrdi3_no_power): New. + (ashrdi3): Use it. + +2002-05-18 Mark Mitchell <mark@codesourcery.com> + + * configure.in (AC_CHECK_FUNCS): Add checks for scandir and + alphasort. + * config.in: Regenerated. + * configure: Regenerated. + +2002-05-19 Richard Henderson <rth@redhat.com> + + * target-def.h (TARGET_BINDS_LOCAL_P): New. + * target.h (struct gcc_target): Move boolean fields to the end. + Add binds_local_p. + * varasm.c (default_binds_local_p): New. + * output.h: Declare it. + + * config/alpha/alpha.c (alpha_encode_section_info): Use the new hook. + * config/cris/cris.c (cris_encode_section_info): Likewise. + * config/i386/i386.c (i386_encode_section_info): Likewise. + * config/ia64/ia64.c (ia64_encode_section_info): Likewise. + * config/sh/sh.c (sh_encode_section_info): Likewise. + + * doc/tm.texi (TARGET_IN_SMALL_DATA_P): New. + (TARGET_BINDS_LOCAL_P): New. + +2002-05-19 Richard Henderson <rth@redhat.com> + + * system.h (BLOCK_PROFILER, BLOCK_PROFILER_CODE, + FUNCTION_BLOCK_PROFILER, FUNCTION_BLOCK_PROFILER_EXIT, + MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Poison. + + * toplev.c (display_help): Kill -a -ax help. + + * config/1750a/1750a.h, config/alpha/alpha.h, + config/clipper/clipper.h, config/dsp16xx/dsp16xx.h, + config/h8300/h8300.h, config/i960/i960.h, config/m68k/tower-as.h, + config/m88k/m88k.h, config/vax/vax.h, config/we32k/we32k.h: + (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Kill. + + * libgcc2.c [L_bb] (BLOCK_PROFILER_CODE): Kill. + * config/m68k/sun3.h (BLOCK_PROFILER_CODE): Kill. + + * config/i386/i386-protos.h (ix86_output_block_profiler): Kill. + (ix86_output_function_block_profiler): Kill. + * config/m68hc11/m68hc11.c (m68hc11_block_profiler): Kill. + (m68hc11_function_block_profiler): Kill. + * config/m68hc11/m68hc11-protos.h: Update. + * config/m88k/m88k.c (output_block_profiler): Kill. + (output_function_block_profiler): Kill. + * config/m88k/m88k-protos.h: Update. + +2002-05-19 Richard Henderson <rth@redhat.com> + + * system.h (STRIP_NAME_ENCODING): Poison it. + * output.h (STRIP_NAME_ENCODING): Remove. + (default_strip_name_encoding): Declare. + * target-def.h (TARGET_STRIP_NAME_ENCODING): New. + * target.h (strip_name_encoding): New. + * varasm.c (default_strip_name_encoding): New. + + * dwarf2asm.c, varasm.c, config/darwin.c, config/darwin.h, + config/alpha/alpha.c, config/arm/pe.c, config/avr/avr.c, + config/cris/cris.c, config/i386/cygwin.h, config/i386/interix.c, + config/i386/winnt.c, config/m32r/m32r.h, config/mcore/mcore-elf.h, + config/mcore/mcore-pe.h, config/mcore/mcore.c, config/mcore/mcore.h, + config/mips/mips.c, config/mn10200/mn10200.h, config/mn10300/mn10300.h, + config/pa/pa.c, config/pa/pa.h, config/pa/som.h, + config/rs6000/rs6000.c, config/rs6000/sysv4.h, config/rs6000/xcoff.h, + config/v850/v850.h: Use the hook, not the macro. + + * config/darwin-protos.h, config/darwin.c, config/darwin.h, + config/alpha/alpha.c, config/alpha/alpha.h, config/h8300/h8300.c, + config/h8300/h8300.h, config/i386/cygwin.h, config/i386/i386-interix.h, + config/i386/i386-protos.h, config/i386/win32.h, config/i386/winnt.c, + config/ia64/ia64.c, config/ia64/ia64.h, config/m32r/m32r.c, + config/m32r/m32r.h, config/mcore/mcore.c, config/mcore/mcore.h, + config/pa/pa.c, config/rs6000/rs6000.c, config/rs6000/sysv4.h, + config/rs6000/xcoff.h, config/sh/sh.c, config/sh/sh.h, + config/v850/v850.c, config/v850/v850.h: + Move STRIP_NAME_ENCODING to out-of-line function and add + TARGET_STRIP_NAME_ENCODING. + + * config/arm/arm.c, config/arm/arm.h, config/mmix/mmix-protos.h, + config/mmix/mmix.c, config/mmix/mmix.h: Replace STRIP_NAME_ENCODING + with TARGET_STRIP_NAME_ENCODING referencing existing function; + make function static. + + * xcoffout.c: Include target.h + * Makefile.in (xcoffout.o): Update. + + * config/avr/avr.c (avr_encode_section_info): Correct prototype. + * config/avr/avr.h (STRIP_NAME_ENCODING): Remove. + * config/rs6000/rs6000.c (rs6000_xcoff_unique_section): Mark + reloc argument unused. + * config/sh/sh.c (TARGET_ENCODE_SECTION_INFO): New. + + * doc/tm.texi (TARGET_STRIP_NAME_ENCODING): Update from previous + STRIP_NAME_ENCODING docs. + +2002-05-19 Andreas Jaeger <aj@suse.de> + + * gengenrtl.c: Add prototype for excluded_rtx. + + * real.h: Add prototype for exact_real_truncate. + +2002-05-18 Richard Henderson <rth@redhat.com> + + * system.h (ENCODE_SECTION_INFO): Poison it. + * target-def.h (TARGET_ENCODE_SECTION_INFO): New. + * target.h (encode_section_info): New. + * varasm.c (make_decl_rtl, output_constant_def): Use it. + * hooks.c (hook_tree_int_void): New. + * hooks.h: Declare it. + + * config/darwin.h, config/alpha/alpha-protos.h, config/alpha/alpha.c, + config/alpha/alpha.h, config/arm/pe.h, config/avr/avr-protos.h, + config/avr/avr.c, config/avr/avr.h, config/c4x/c4x-protos.h, + config/c4x/c4x.c, config/c4x/c4x.h, config/cris/cris-protos.h, + config/cris/cris.c, config/cris/cris.h, config/i386/cygwin.h, + config/i386/win32.h, config/ia64/ia64-protos.h, config/ia64/ia64.c, + config/ia64/ia64.h, config/m32r/m32r-protos.h, config/m32r/m32r.c, + config/m32r/m32r.h, config/m68hc11/m68hc11-protos.h, + config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h, + config/mcore/mcore-protos.h, config/mcore/mcore.c, + config/mcore/mcore.h, config/mmix/mmix-protos.h, config/mmix/mmix.c, + config/mmix/mmix.h, config/rs6000/rs6000-protos.h, + config/rs6000/sysv4.h, config/stormy16/stormy16-protos.h, + config/stormy16/stormy16.c, config/stormy16/stormy16.h: + Replace ENCODE_SECTION_INFO with TARGET_ENCODE_SECTION_INFO + referencing existing function. Make function static. + + * config/a29k/a29k.c, config/a29k/a29k.h, config/arc/arc.c, + config/arc/arc.h, config/arm/arm.c, config/arm/arm.h, + config/h8300/h8300.c, config/h8300/h8300.h, config/i370/i370.c, + config/i370/i370.h, config/i386/i386-interix.h, config/i386/i386.c, + config/i386/i386.h, config/i386/interix.c, config/m88k/m88k.c, + config/m88k/m88k.h, config/mips/mips.c, config/mips/mips.h, + config/ns32k/ns32k.c, config/ns32k/ns32k.h, config/pa/pa.c, + config/pa/pa.h, config/romp/romp.c, config/romp/romp.h, + config/rs6000/linux64.h, config/rs6000/xcoff.h, config/s390/s390.c, + config/s390/s390.h, config/sh/sh.c, config/sh/sh.h, + config/sparc/sparc.c, config/sparc/sparc.h, config/v850/v850.c, + config/v850/v850.h, config/vax/vax.c, config/vax/vms.h, + config/xtensa/xtensa.c, config/xtensa/xtensa.h: + Move ENCODE_SECTION_INFO to out-of-line function and add + TARGET_ENCODE_SECTION_INFO. + + * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Use hook, not macro. + (ASM_DECLARE_OBJECT_NAME, ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise. + + * config/arm/pe.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Rename + from SUBTARGET_* + (switch_to_section): Replace in_rdata case with in_readonly_data. + + * config/h8300/h8300.c (h8300_encode_label): Make static. + * config/h8300/h8300-protos.h: Update. + + * config/rs6000/rs6000.c (rs6000_elf_encode_section_info): Rename + from rs6000_encode_section_info; make static. + (rs6000_xcoff_encode_section_info): New. + + * config/v850/v850.c (v850_encode_data_area): Make static. + * config/v850/v850-protos.h: Update. + + * config/vax/vax.c: Include flags.h. + (vms_select_section): Fix typo. + + * doc/tm.texi (TARGET_ENCODE_SECTION_INFO): Update from previous + ENCODE_SECTION_INFO docs. + +2002-05-18 Richard Henderson <rth@redhat.com> + + * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Rename from + REGISTER_TARGET_PRAGMAS. + * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Redefine. + + * config.gcc: Do not use rs6000-c.c on powerpc-darwin. + +2002-05-18 Richard Henderson <rth@redhat.com> + + * system.h (SELECT_RTX_SECTION): Poison. + * target-def.h (TARGET_ASM_SELECT_RTX_SECTION): New. + * target.h (select_rtx_section): New. + * varasm.c (output_constant_pool): Use it. + (default_select_rtx_section, default_elf_select_rtx_section): New. + * output.h: Declare them. + + * config/darwin.h (SELECT_RTX_SECTION): Move ... + * config/darwin.c (machopic_select_rtx_section): ... here. + * config/darwin-protos.h: Update. + + * config/nextstep.h (SELECT_RTX_SECTION): Move ... + * config/nextstep.c (machopic_select_rtx_section): ... here. + (nextstep_select_section): Rename variable to avoid macro clash. + * config/nextstep-protos.h: Update. + + * config/elfos.h, config/svr3.h, config/arm/aof.h, config/c4x/c4x.h, + config/i386/dgux.h, config/i386/osfrose.h, config/i386/sco5.h, + config/i386/svr3gas.h, config/i860/paragon.h, config/ia64/aix.h, + config/m32r/m32r.h, config/m68k/dpx2.h, config/m68k/lynx.h, + config/m68k/m68k.h, config/m68k/tower-as.h, config/m88k/dgux.h, + config/mcore/mcore-pe.h, config/mips/mips.h, config/mmix/mmix.h, + config/pa/pa-linux.h, config/pa/pa.h, config/romp/romp.h, + config/rs6000/lynx.h, config/rs6000/sysv4.h, config/s390/linux.h, + config/sparc/sysv4.h, config/xtensa/elf.h, config/xtensa/linux.h + (SELECT_RTX_SECTION): Remove. + + * config/darwin.h, config/elfos.h, config/nextstep.h, + config/ia64/aix.h, config/ia64/sysv4.h, config/alpha/alpha.c, + config/mips/mips.c, config/romp/romp.c, config/rs6000/sysv4.h, + config/rs6000/xcoff.h, config/s390/s390.c, config/sparc/aout.h, + config/sparc/lynx.h, config/xtensa/xtensa.c + (TARGET_ASM_SELECT_RTX_SECTION): New. + + * config/alpha/elf.h (SELECT_RTX_SECTION): Move ... + * config/alpha/alpha.c (alpha_elf_select_rtx_section): ... here. + * config/ia64/sysv4.h (SELECT_RTX_SECTION): Move ... + * config/ia64/ia64.c (ia64_select_rtx_section): ... here. + (ia64_aix_select_rtx_section): New. + * config/mips/iris6.h (READONLY_DATA_SECTION_ASM_OP): Undef before + redefining. + * config/mips/mips.c (mips_select_rtx_section): Make static. + Support ELF SHF_MERGE features. + * config/mips/mips-protos.h: Update. + * config/rs6000/xcoff.h (SELECT_RTX_SECTION): Move ... + * config/rs6000/rs6000.c (rs6000_xcoff_select_rtx_section): ... here. + (rs6000_elf_select_rtx_section): Rename from rs6000_select_rtx_section; + make static, fall back to default_elf_select_rtx_section. + * config/rs6000/rs6000-protos.h: Update. + * config/sparc/sparc.h (SELECT_RTX_SECTION): Move ... + * config/sparc/sparc.c (sparc_aout_select_rtx_section): ... here. + * config/sparc/sunos4.h (on_exit): Declare only if IN_LIBGCC2. + * config/romp/romp.c (romp_select_rtx_section): New. + * config/s390/s390.c (s390_select_rtx_section): New. + * config/xtensa/xtensa.c: Include output.h. Shuffle local function + declarations before target macro definition. + (xtensa_emit_call): Use static buffer. + (xtensa_select_rtx_section): New. + * config/xtensa/xtensa.h (MAX_INT_TYPE_SIZE): Remove. + (IMPLICIT_FIX_EXPR, EASY_DIV_EXPR): Remove. + (ASM_OUTPUT_POOL_PROLOGUE): Update call to resolve_unique_section. + + * doc/tm.texi (TARGET_ASM_SELECT_RTX_SECTION): Update from + SELECT_RTX_SECTION docs. + +Sun May 19 00:24:23 CEST 2002 Jan Hubicka <jh@suse.cz> + + * i386.md (movsi/movdi): Fix template. + (sse2 patterns): Set attributes consistently. + + * i386.md (pushqi2, ashrqi_*): Fix constraint. + +2002-05-18 Toon Moene <toon@moene.indiv.nluug.nl> + + * optabs.c (complex_part_zero_p): New. + * (expand_cmplxdiv_straight): Use it. + * (expand_cmplxdiv_wide): Ditto. + * (expand_binop): Ditto. + +2002-05-18 Richard Henderson <rth@redhat.com> + + * final.c (HAVE_READONLY_DATA_SECTION): New. + (shorten_branches): Use it instead of ifdefs. + * varasm.c (enum in_section): Add in_readonly_data. + (text_section, data_section): Tidy. + (readonly_data_section): Use READONLY_DATA_SECTION_ASM_OP if present. + + * config/darwin.h, config/nextstep.h, config/h8300/elf.h, + config/i860/paragon.h, config/m68k/dpx2.h, config/m68k/hp320.h + (READONLY_DATA_SECTION): Don't undef. + + * config/alpha/unicosmk.h, config/h8300/elf.h, config/i386/aix386ng.h, + config/i860/paragon.h, config/m68k/dpx2.h, config/m68k/hp320.h, + config/rs6000/lynx.h (READONLY_DATA_SECTION_ASM_OP): Undef. + + * config/elfos.h, config/svr3.h, config/alpha/alpha-interix.h, + config/alpha/elf.h, config/c4x/c4x.h, config/i386/i386-interix.h, + config/i386/sco5.h, config/i386/svr3gas.h, config/i860/sysv3.h, + config/m88k/m88k.h, config/pa/pa64-hpux.h (USE_CONST_SECTION): Remove. + + * config/elfos.h, config/netware.h, config/alpha/alpha-interix.h, + config/alpha/elf.h, config/alpha/vms.h, config/arc/arc.h, + config/arm/coff.h, config/c4x/c4x.h, config/dsp16xx/dsp16xx.h, + config/i386/dgux.h, config/i386/i386-interix.h, config/i386/sco5.h, + config/ia64/hpux.h, config/m32r/m32r.h, config/m68k/tower-as.h, + config/m88k/m88k.h, config/mcore/mcore-pe.h, config/mips/iris6.h, + config/mips/mips.h, config/mmix/mmix.h, config/pa/pa64-hpux.h, + config/sparc/sysv4.h (READONLY_DATA_SECTION_ASM_OP): Rename from + CONST_SECTION_ASM_OP/READONLY_SECTION_ASM_OP/RDATA_SECTION_ASM_OP. + + * config/elfos.h, config/netware.h, config/1750a/1750a.h, + config/a29k/a29k.h, config/alpha/alpha-interix.h, config/alpha/alpha.h, + config/arm/coff.h, config/h8300/h8300.h, config/i386/aix386ng.h, + config/i386/i386-interix.h, config/i386/osfrose.h, config/mmix/mmix.h, + config/pa/pa64-hpux.h, config/sparc/litecoff.h + (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Remove. + + * config/elfos.h, config/netware.h, config/svr3.h, + config/alpha/alpha-interix.h, config/alpha/alpha.h, config/alpha/elf.h, + config/arm/coff.h, config/c4x/c4x.h, config/dsp16xx/dsp16xx.h, + config/h8300/h8300.h, config/i386/i386-interix.h, + config/i386/osfrose.h, config/i386/svr3gas.h, config/mmix/mmix.h, + config/pa/pa64-hpux.h (READONLY_DATA_SECTION): Remove. + + * config/elfos.h, config/netware.h, config/svr3.h, + config/alpha/alpha-interix.h, config/alpha/alpha.h, config/alpha/elf.h, + config/c4x/c4x.h, config/i386/aix386ng.h, config/i386/i386-interix.h, + config/i386/sco5.h, config/i386/svr3gas.h, config/mmix/mmix.h, + config/pa/pa64-hpux.h (CONST_SECTION_FUNCTION): Remove. + + * config/lynx.h, config/svr3.h, config/alpha/elf.h, config/alpha/vms.h, + config/c4x/c4x.h, config/dsp16xx/dsp16xx.h, config/i386/sco5.h, + config/i386/svr3gas.h, config/i860/sysv3.h, config/i860/sysv4.h, + config/ia64/sysv4.h, config/m32r/m32r.h, config/m88k/m88k.h, + config/mcore/mcore-elf.h, config/mcore/mcore-pe.h, config/mips/elf.h, + config/mips/elf64.h, config/mips/iris6.h, config/mips/linux.h, + config/mips/mips.h, config/mips/rtems64.h, config/mips/vxworks.h, + config/rs6000/sysv4.h, config/v850/v850.h + (EXTRA_SECTIONS): Remove in_const/in_rdata. + (EXTRA_SECTION_FUNCTIONS): Remove accompanying function. + + * config/svr3.h, config/c4x/c4x.h, config/i386/dgux.h, + config/i386/sco5.h, config/i386/svr3gas.h, config/ia64/aix.h, + config/m88k/dgux.h, config/mcore/mcore-pe.h, config/mmix/mmix.h, + config/sparc/sysv4.h (SELECT_RTX_SECTION): Use readonly_data_section. + * config/alpha/alpha.c (alpha_start_function): Likewise. + (alpha_write_linkage): Likewise. + * config/m32r/m32r.c (m32r_select_section): Likewise. + * config/m88k/m88k.c (m88k_select_section): Likewise. + * config/mips/mips.c (mips_select_rtx_section): Likewise. + * config/rs6000/rs6000.c (rs6000_select_rtx_section): Likewise. + (rs6000_elf_select_section): Likewise. + * config/v850/v850.c (v850_select_section): Likewise. + + * config/1750a/1750a.h, config/i860/sysv3.h + (READONLY_DATA_SECTION_ASM_OP): New. + READONLY_DATA_SECTION_ASM_OP. + * config/i386/interix.c, config/i386/winnt.c + (i386_pe_unique_section): Always use .rdata prefix. + * config/pa/som.h (readonly_data): Always switch to read-only section. + (READONLY_DATA_SECTION): Predicate on flag_pic. + * config/we32k/we32k.h (READONLY_DATA_SECTION): Remove parenthesis. + * doc/tm.texi (READONLY_DATA_SECTION_ASM_OP): New. + (READONLY_DATA_SECTION): Update. + +2002-05-18 Jason Thorpe <thorpej@wasabisystems.com> + + * c-common.c (c_common_post_options): Warn if -Wformat-zero-length + is used without -Wformat. + * c-common.h (warn_format_zero_length): Declare extern. + * c-decl.c (warn_options): Add "format-zero-length". + * c-format.c (warn_format_zero_length): Declare. + (set_Wformat): Set warn_format_zero_length for -Wformat. + (check_format_info): Only warn about zero-length formats if + warn_format_zero_length is true. Include the format type + name in the warning message. + * doc/invoke.texi: Document -Wformat-zero-length. + * testsuite/gcc.dg/format/zero-length-1.c: New test. + +2002-05-18 Kazu Hirata <kazu@cs.umass.edu> + + * timevar.c: Fix formatting. + * tlink.c: Likewise. + * toplev.c: Likewise. + * tree-dump.c: Likewise. + * tree-inline.c: Likewise. + +2002-05-18 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinit.c (cpp_post_options): If preprocessed, turn off + traditional. If traditional, turn off column numbers. + * cpplib.c (cpp_push_buffer): Lex from stage 3 if traditional. + * cpptrad.c (handle_newline): Update line_base. + (skip_comment): Handle -Wcomment. + +2002-05-17 Zack Weinberg <zack@codesourcery.com> + + * cppinit.c (struct builtin): Remove unused fields. + (CPLUS, BUILTIN, OPERATOR, O, builtin_array_end): Kill. + (operator_array): New - was second half of builtin_array. + (init_builtins): Simplify loop over builtin_array/operator_array. + +2002-05-18 Neil Booth <neil@daikokuya.demon.co.uk> + + * defaults.h (UNIQUE_SECTION): Remove. + * system.h (UNIQUE_SECTION, SELECT_SECTION): Poison. + +2002-05-17 Richard Henderson <rth@redhat.com> + + * expr.c (init_expr_once): Don't use start/end_sequence. + Use rtx_alloc instead of emit_insn. + * toplev.c (lang_dependent_init): Run init_expr_once here ... + (lang_independent_init): ... not here. + +2002-05-17 Jason Thorpe <thorpej@wasabisystems.com> + + * config/sh/lib1funcs.asm (GLOBAL): Use __USER_LABEL_PREFIX__. + +2002-05-17 Marek Michalkiewicz <marekm@amelek.gda.pl> + + * config/avr/avr.c (avr_regs_to_save): New function. Also check + for fixed registers, possibly used for global register variables. + (initial_elimination_offset, avr_output_function_prologue, + avr_output_function_epilogue): Move common code to avr_regs_to_save. + +2002-05-17 Neil Booth <neil@daikokuya.demon.co.uk> + + * Makefile.in: Update for cpptrad.c. + * cpphash.h (struct cpp_buffer): New members for buffer + overlays. + (struct cpp_reader): New members for traditional output. + (_cpp_read_logical_line, _cpp_overlay_buffer): New. + * cppinit.c (cpp_create_reader): Set trad_line. + (cpp_destroy): Free trad_out_base if used. + (cpp_read_main_file): Overlay an empty buffer if traditional. + (cpp_finish_options): Don't do builtins. + (COMMAND_LINE_OPTIONS): Add -traditional-cpp. + (cpp_handle_option): Handle it. + * cpplex.c (continue_after_nul): New. + (_cpp_lex_direct): Use handle_nul. + * cpplib.h (struct cpp_options): New traditional option. + * cpptrad.c: New file. + +2002-05-17 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-common.c (c_common_init_options): Use C89 for Objective-C, + and set the options flag. + * cppinit.c (lang_flags): Remove objc. + (lang_defaults): Remove OBJC and OBJCXX. + (set_lang): Update. + (COMMAND_LINE_OPTIONS): Remove -+ and -lang-objc++. + (cpp_handle_option): Remove -+ and -lang-objc++. + For ObjC, just set a flag. + (print_help): Update. + * cpplib.h (enum c_lang): Remove CLK_OBJC and CLK_OBJCXX. + +2002-05-17 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * doc/install.texi (Specific, mips-sgi-irix6): Document need to + bootstrap with -mips3. + +2002-05-17 Kazu Hirata <kazu@cs.umass.edu> + + * final.c: Fix formatting. + * fix-header.c: Likewise. + * flow.c: Likewise. + * fold-const.c: Likewise. + * function.c: Likewise. + +2002-05-17 David S. Miller <davem@redhat.com> + + PR c/6689, PR optimization/6615 + * local-alloc.c (struct equivalence): Rename 'src' to 'src_p' + and make it a pointer to rtx. Update comments. + (update_equiv_regs): When scanning for equivalences, record + address of SET_SRC (set) in reg_equiv[].src_p. Dereference + it while making the equiv replacements. + +2002-05-17 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * config/sparc/sparc.c (sparc_aout_select_section): Fixed typo. + +2002-05-17 kaz Kojima <kkojima@rr.iij4u.or.jp> + + * config/sh/sh.h (ENCODE_SECTION_INFO): Consider MODULE_LOCAL_P + when encoding visibility into SYMBOL_REF_FLAG. + +2002-05-17 Richard Sandiford <rsandifo@redhat.com> + + * expr.c (force_operand): Fix reversed move. + +2002-05-17 Kurt Wall <kwall@kurtwerks.com> + + * doc/install.texi (Testing): Mention two common DejaGnu warnings + that can be ignored. + +2002-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/install.texi (Final install): Recommend to install into a + "clean" target directory. + +2002-05-17 Richard Henderson <rth@redhat.com> + + * config/ia64/ia64.md: Use braced strings instead of quoted strings + for code blocks. Tidy whitespace. + +2002-05-17 Richard Henderson <rth@redhat.com> + + * hooks.c (hook_tree_bool_false): New. + * hooks.h: Declare it. + * target-def.h (TARGET_ASM_SELECT_SECTION): New. + (TARGET_ASM_UNIQUE_SECTION, TARGET_IN_SMALL_DATA_P): New. + * target.h (select_section, unique_section): New. + (in_small_data_p): New. + * varasm.c (resolve_unique_section): Use hooks instead of macros. + (variable_section, output_constant_def_contents): Likewise. + (default_select_section, default_unique_section): New. + (categorize_decl_for_section, default_elf_select_section): New. + * output.h: Declare them. + + * config/darwin.h (ALIAS_SECTION, try_section_alias): Remove. + (TARGET_ASM_SELECT_SECTION): New. + (SELECT_SECTION): Move ... + * config/darwin.c (machopic_select_section): ... here. + * config/darwin-protos.h: Update. + + * config/nextstep.h (TARGET_ASM_SELECT_SECTION): New. + (SELECT_SECTION): Move ... + * config/nextstep.c (nextstep_select_section): ... here. + * config/nextstep-protos.h: Update. + + * config/elfos.h (UNIQUE_SECTION, SELECT_SECTION): Remove. + (TARGET_ASM_SELECT_SECTION): New. + * config/svr3.h (SELECT_SECTION): Remove. + + * config/alpha/alpha.c (unicosmk_unique_section): Make static. + (TARGET_ASM_UNIQUE_SECTION) [UNICOS]: New. + (TARGET_IN_SMALL_DATA_P, alpha_in_small_data_p): New. + (alpha_encode_section_info): Use it. + * config/alpha/alpha-protos.h: Update. + * config/alpha/elf.h (DO_SELECT_SECTION): Remove. + (SELECT_SECTION, UNIQUE_SECTION): Remove. + (TARGET_ASM_SELECT_SECTION): New. + * config/alpha/unicosmk.h (UNIQUE_SECTION): Remove. + + * config/arm/pe.h (UNIQUE_SECTION): Remove. + (TARGET_ASM_UNIQUE_SECTION): New. + + * config/avr/avr.c (TARGET_ASM_UNIQUE_SECTION): New. + (avr_unique_section): Rename from unique_section; make static. + * config/avr/avr-protos.h: Update. + * config/avr/avr.h (UNIQUE_SECTION): Remove. + + * config/c4x/c4x.h (SELECT_SECTION): Remove. + + * config/i386/cygwin.h (UNIQUE_SECTION): Remove. + (TARGET_ASM_UNIQUE_SECTION): New. + * config/i386/i386-interix.h: Likewise. + * config/i386/win32.h: Likewise. + * config/i386/djgpp.h (UNIQUE_SECTION): Remove. + * config/i386/i386.c (ix86_asm_file_end): Use target hook not macro. + * config/i386/sco5.h (SELECT_SECTION): Remove. + (TARGET_ASM_SELECT_SECTION): New. + * config/i386/svr3gas.h (SELECT_SECTION): Remove. + + * config/i860/paragon.h: Undef TARGET_ASM_SELECT_SECTION + instead of SELECT_SECTION. + * config/m68k/dpx2.h: Likewise. + * config/rs6000/lynx.h: Likewise. + + * config/ia64/aix.h (SELECT_SECTION, UNIQUE_SECTION): Remove. + (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): New. + * config/ia64/ia64.c (TARGET_IN_SMALL_DATA_P): New. + (ia64_in_small_data_p): New. + (ia64_encode_section_info): Use it. Reorganize overlarge conditional. + (ia64_aix_select_section, ia64_aix_unique_section): New. + * config/ia64/sysv4.h (DO_SELECT_SECTION): Remove. + (SELECT_SECTION, UNIQUE_SECTION): Remove. + + * config/m32r/m32r.h (SELECT_SECTION): Remove. + (TARGET_ASM_SELECT_SECTION): New. + * config/m32r/m32r.c (m32r_select_section): Take align argument. + * config/m32r/m32r-protos.h: Update. + + * config/m88k/m88k.h (TARGET_ASM_SELECT_SECTION): New. + (SELECT_SECTION): Move ... + * config/m88k/m88k.c (m88k_select_section): ... here. + + * config/mcore/mcore-pe.h (SELECT_SECTION): Remove. + * config/mcore/mcore.h (UNIQUE_SECTION): Remove. + * config/mcore/mcore.c (TARGET_ASM_UNIQUE_SECTION): New. + (mcore_unique_section): Make static. + * config/mcore/mcore-protos.h: Update. + + * config/mips/elf.h (UNIQUE_SECTION): Remove. + (TARGET_ASM_UNIQUE_SECTION): New. + * config/mips/elf64.h: Likewise. + * config/mips/iris6gld.h: Likewise. + * config/mips/linux.h: Likewise. + * config/mips/mips-protos.h: Update. + * config/mips/mips.c (mips_select_section): Add align argument. + * config/mips/mips.h (SELECT_SECTION): Remove. + (TARGET_ASM_SELECT_SECTION): New. + + * config/mmix/mmix.h (SELECT_SECTION, UNIQUE_SECTION): Remove. + * config/mmix/mmix.c (mmix_select_section): Remove. + (mmix_unique_section): Remove. + * config/mmix/mmix-protos.h: Update. + + * config/pa/pa.h (TARGET_ASM_SELECT_SECTION): New. + (SELECT_SECTION): Move ... + * config/pa/pa.c (pa_select_section): ... here. + * config/pa/pa64-hpux.h (UNIQUE_SECTION): Remove. + + * config/rs6000/rs6000.c (rs6000_elf_select_section): Rename + from rs6000_select_section and make static. + (rs6000_elf_unique_section): Similarly. + (rs6000_xcoff_select_section): From xcoff.h. + (rs6000_xcoff_unique_section): Likewise. + * config/rs6000/rs6000-protos.h: Update. + * config/rs6000/sysv4.h (SELECT_SECTION, UNIQUE_SECTION): Remove. + (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): New. + * config/rs6000/xcoff.h: Likewise. + + * config/sparc/aout.h (TARGET_ASM_SELECT_SECTION): New. + (SELECT_SECTION): Move ... + * config/sparc/sparc.c (sparc_aout_select_section): ... here. + + * config/v850/v850.h (SELECT_SECTION): Move ... + * config/v850/v850.c (v850_select_section): ... here. + (TARGET_ASM_SELECT_SECTION): New. + + * config/vax/vms.h (SELECT_SECTION): Move ... + * config/vax/vax.c (vms_select_section): ... here. + (TARGET_ASM_SELECT_SECTION): New. + + * doc/tm.texi: Update SELECT_SECTION and UNIQUE_SECTION docs + for the target hooks. + +2002-05-17 Nick Clifton <nickc@cambridge.redhat.com> + + * config/arm/arm.c (emit_multi_reg_push): Do not set + RTX_FRAME_RELATED_P on the SEQUENCE. + +2002-05-16 Richard Henderson <rth@redhat.com> + + * config/ia64/ia64.c (ia64_reorg): Rebuild bb_for_insn before + splitting. Use split_all_insns; update_life_info_in_dirty_blocks. + +2002-05-16 Richard Henderson <rth@redhat.com> + + * config/alpha/unicosmk.h (TARGET_OS_CPP_BUILTINS): Fix typo. + + * config/ia64/ia64.c (saveable_obstack): Do not declare. + +2002-05-16 Richard Henderson <rth@redhat.com> + + * basic-block.h, bb-reorder.c, cfg.c, cfganal.c, cfgbuild.c, + cfgcleanup.c, cfglayout.c, cfgloop.c, cfgrtl.c, combine.c, + conflict.c, df.c, df.h, dominance.c, final.c, flow.c, function.c, + gcse.c, global.c, graph.c, haifa-sched.c, ifcvt.c, lcm.c, + local-alloc.c, loop.c, predict.c, print-rtl.c, profile.c, + recog.c, reg-stack.c, regclass.c, regmove.c, regrename.c, + reload1.c, reorg.c, resource.c, sbitmap.c, sched-deps.c, + sched-ebb.c, sched-rgn.c, sibcall.c, ssa-ccp.c, ssa-dce.c, ssa.c: + Revert "Basic block renumbering removal", and two followup patches. + +2002-05-16 Jason Thorpe <thorpej@wasabisystems.com> + + * lcm.c (optimize_mode_switching): Revert previous change. + +2002-05-16 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz> + + * sched-rgn.c (schedule_insns): Initialize large_region_blocks + with only extant block numbers. + +2002-05-16 Jason Thorpe <thorpej@wasabisystems.com> + + * lcm.c (optimize_mode_switching): Fix typo. + +2002-05-16 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz> + + * flow.c (calculate_global_regs_live): Queue blocks in program order. + +2002-05-16 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * doc/install.texi (Configuration): Document PWDCMD. + +2002-05-16 Dale Johannesen <dalej@apple.com> + + * combine.c (cant_combine_insn_p): Reenable combinations + involving hard regs unless CLASS_LIKELY_SPILLED_P. + +2002-05-16 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-common.c (cb_register_builtins): Handle more built-ins + here rather than in gcc.c specs. + * gcc.c (cpp_unique_options): Move many built-ins to c-common.c. + (cpp_options): Pass -O flags even when only preprocessing. + * toplev.c (set_fast_math_flags): New prototype. + (fast_math_flags_set_p): New. + (set_no_fast_math_flags): Remove. + (decode_f_option): Update. + * toplev.h (set_fast_math_flags): Update. + (fast_math_flags_set_p): New. + (set_no_fast_math_flags): Remove. +config: + * c4x/c4x.c (c4x_override_options): Update. + +2002-05-16 Zack Weinberg <zack@codesourcery.com> + + * c-common.c (STDC_0_IN_SYSTEM_HEADERS, REGISTER_PREFIX): + Default-define here. + (builtin_define_with_value): Can now wrap the expansion in + quotation marks if such is wanted. + (cb_register_builtins): Update calls to builtin_define_with_value. + Define __REGISTER_PREFIX__, __USER_LABEL_PREFIX__, and __VERSION__ + here. + (c_common_init): Set options->stdc_0_in_system_headers. + * c-lex.h: Update prototype of builtin_define_with_value. + * cppdefault.h: Remove default definitions of USER_LABEL_PREFIX + and REGISTER_PREFIX. + + * cppinit.c (VERS, ULP, C, X): Kill. + (builtin_array): Remove entries for __VERSION__, + __USER_LABEL_PREFIX__, __REGISTER_PREFIX__, and + __HAVE_BUILTIN_SETJMP__. Make __STDC__ always a builtin, not + a constant. + (init_builtins): Kill off a bunch of now-dead code. + (COMMAND_LINE_OPTIONS): Remove -fleading-underscore and + -fno-leading-underscore. + (cpp_handle_option): Remove code to set user_label_prefix. + (cpp_post_options): Likewise. + + * cpplib.h (struct cpp_options): Remove user_label_prefix. + (stdc_0_in_system_headers): New. + * cppmacro.c (builtin_macro): Check CPP_OPTION (pfile, + stdc_0_in_system_headers) too to decide the value of __STDC__. + + * tradcpp.c (user_label_prefix): Kill. + (main): Remove code handling -f(no-)leading-underscore. + (initialize_builtins): Don't define __REGISTER_PREFIX__ + or __USER_LABEL_PREFIX__. + (install_value): Wrap compound statement in dummy loop so the + macro works properly in an if statement. + + +2002-05-16 Janis Johnson <janis187@us.ibm.com> + + * loop.h (struct loop_info): Add member has_prefetch. + * loop.c (PREFETCH_CONDITIONAL): Change default to 1. + (prescan_loop): Initialize has_prefetch. + (struct prefetch_info): Change prefetch_in_loop and + prefetch_before_loop from bit fields to ints. + (emit_prefetch_instructions): Several small fixes. + (check_dbra_loop): Don't reverse loop that uses prefetch. + +2002-05-16 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * Makefile.in: Allow for PWDCMD to override hardcoded pwd. + * configure.in: Likewise. + * fixinc/check.tpl: Likewise. + * fixinc/fixinc.dgux: Likewise. + * fixinc/fixinc.svr4: Likewise. + * fixinc/fixinc.winnt: Likewise. + * fixinc/fixincl.sh: Likewise. + * fixproto: Likewise. + * configure: Regenerate. + +2002-05-16 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz> + + Basic block renumbering removal: + * basic_block.h (struct basic_block_def): Renamed index to sindex, + added prev_bb and next_bb fields. + (n_basic_blocks): Renamed to num_basic_blocks. + (last_basic_block): New, index of last basic block. + (FOR_BB_BETWEEN, FOR_ALL_BB, FOR_ALL_BB_REVERSE): New macros for + traversing basic block chain. + (BLOCK_NUM): index -> sindex. + (create_basic_block_structure, create_basic_block): Declaration changed. + (debug_num2bb): Declare. + (expunge_block_nocompact): Declaration removed. + (link_block, unlink_block, compact_blocks): Declare. + * bb-reorder.c (make_reorder_chain, make_reorder_chain_1): Modified. + * cfg.c (entry_exit_blocks): Initialize new fields. + (clear_edges, alloc_block, expunge_block, cached_make_edge, + redirect_edge_pred, dump_flow_info, dump_edge_info, + alloc_aux_for_blocks, clear_aux_for_blocks, alloc_aux_for_edges, + free_aux_for_edges): Modified. + (link_block, unlink_block, compact_blocks, debug_num2bb): New. + (expunge_block_nocompact): Removed. + * cfganal.c (can_fallthru, mark_dfs_back_edges, flow_call_edges_add, + find_unreachable_blocks, create_edge_list, print_edge_list, + verify_edge_list, flow_edge_list_print, remove_fake_successors, + remove_fake_edges, flow_reverse_top_sort_order_compute, + flow_depth_first_order_compute, flow_preorder_transversal_compute, + flow_dfs_compute_reverse_init, flow_dfs_compute_reverse_add_bb, + flow_dfs_compute_reverse_execute): Modified. + * cfgbuild.c (make_edges, make_eh_edge, find_basic_blocks_1, + find_basic_blocks, find_many_sub_basic_blocks, find_sub_basic_blocks): + Modified. + * cfgcleanup.c (try_simplify_condjump, try_forward_edges, + merge_blocks_move_predecessor_nojumps, + merge_blocks_move_successor_nojumps, merge_blocks, + outgoing_edges_match, try_crossjump_to_edge, try_crossjump_bb, + try_optimize_cfg, delete_unreachable_blocks, cleanup_cfg): Modified. + * cfglayout.c (skip_insns_after_block, label_for_bb, + record_effective_endpoints, scope_to_insns_finalize, + fixup_reorder_chain, verify_insn_chain, cleanup_unconditional_jumps, + fixup_fallthru_exit_predecessor, cfg_layout_redirect_edge, + cfg_layout_duplicate_bb): Modified. + * cfgloop.c (flow_loops_cfg_dump, flow_loop_dump, flow_loops_dump, + flow_loop_entry_edges_find, flow_loop_exit_edges_find, + flow_loop_nodes_find, flow_loop_pre_header_find, flow_loop_scan, + flow_loops_find, flow_loop_outside_edge_p): Modified. + * cfgrtl.c (create_basic_block_structure, create_basic_block, + flow_delete_block, compute_bb_for_insn, split_block, + try_redirect_by_replacing_jump, redirect_edge_and_branch, + force_nonfallthru_and_redirect, tidy_fallthru_edge, + back_edge_of_syntactic_loop_p, split_edge, commit_one_edge_insertion, + commit_edge_insertions, commit_edge_insertions_watch_calls, + dump_bb, print_rtl_with_bb, verify_flow_info, purge_dead_edges, + purge_all_dead_edges): Modified. + * combine.c (combine_instructions, set_nonzero_bits_and_sign_copies, + try_combine, nonzero_bits, num_sign_bit_copies, get_last_value_validate, + get_last_value, reg_dead_at_p, distribute_notes, distribute_links): + Modified. + * conflict.c (conflict_graph_compute): Modified. + * df.c (FOR_ALL_BBS): Removed. + (df_bitmaps_alloc, df_bitmaps_free, df_alloc, df_analyse_1, + df_modified_p, df_analyse, df_refs_unlink, df_insn_modify, + df_dump, hybrid_search_bitmap, iterative_dataflow_sbitmap): Modified. + * df.h (DF_BB_INFO, DF_REF_BBNO): Modified. + * dominance.c (init_dom_info, calc_dfs_tree_nonrec, calc_dfs_tree, + calc_idoms, idoms_to_doms, calculate_dominance_info): Modified. + * final.c (compute_alignments, final_scan_insn): Modified. + * flow.c (verify_local_live_at_start, update_life_info, + update_life_info_in_dirty_blocks, free_basic_block_vars, + delete_noop_moves, calculate_global_regs_live, + initialize_uninitialized_subregs, allocate_bb_life_data, + regno_uninitialized, regno_clobbered_at_setjmp, mark_set_1, + mark_used_reg, count_or_remove_death_notes): Modified. + * function.c (thread_prologue_and_epilogue_insns): Modified. + * gcse.c (struct null_pointer_info): Change typo of current_block + to basic_block. + (gcse_main, alloc_gcse_mem, compute_local_properties, compute_sets, + oprs_unchanged_p, load_killed_in_block_p, record_last_reg_set_info, + compute_hash_table, alloc_rd_mem, handle_rd_kill_set, compute_kill_rd, + alloc_avail_expr_mem, expr_killed_p, compute_ae_kill, + expr_reaches_here_p_work, expr_reaches_here_p, handle_avail_expr, + classic_gcse, one_classic_gcse_pass, compute_transp, cprop, + one_cprop_pass, compute_pre_data, pre_expr_reaches_here_p_work, + pre_expr_reaches_here_p, insert_insn_end_bb, pre_edge_insert, + pre_delete, one_pre_gcse_pass, compute_transpout, + invalidate_nonnull_info, delete_null_pointer_checks_1, + free_code_hoist_mem, compute_code_hoist_vbeinout, + hoist_expr_reaches_here_p, hoist_code, one_code_hoisting_pass, + compute_ld_motion_mems, store_ops_ok, find_moveable_store, + compute_store_table, build_store_vectors, insert_insn_start_bb, + insert_store, replace_store_insn, free_store_memory, store_motion): + Modified. + * global.c (global_alloc, global_conflicts, mark_elimination, + build_insn_chain): Modified. + * graph.c (print_rtl_graph_with_bb): Modified. + * haifa-sched.c (sched_init): Modified. + * ifcvt.c (SET_ORIG_INDEX, ORIG_INDEX): Removed. + (find_if_block, find_cond_trap, find_if_case_1, find_if_case_2, + if_convert): Modified. + * lcm.c (compute_antinout_edge, compute_earliest, compute_laterin, + compute_insert_delete, pre_edge_lcm, compute_available, + compute_farthest, compute_nearerout, compute_rev_insert_delete, + pre_edge_rev_lcm, make_preds_opaque, optimize_mode_switching): + Modified. + * local-alloc.c (alloc_qty, local_alloc, update_equiv_regs): Modified. + * loop.c (loop_dump_aux): Modified. + * predict.c (combine_predictions_for_insn, estimate_probability, + last_basic_block_p, process_note_prediction, process_note_predictions, + note_prediction_to_br_prob, propagate_freq, counts_to_freqs, + expensive_function_p, estimate_bb_frequencies, + compute_function_frequency): Modified. + * print-rtl.c (print_rtx): Modified. + * profile.c (GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX, instrument_edges, + get_exec_counts, compute_branch_probabilities, compute_checksum, + branch_prob, find_spanning_tree): Modified. + * recog.c (split_all_insns, peephole2_optimize): Modified. + * reg-stack.c (reg_to_stack, convert_regs_entry, compensate_edge, + convert_regs_1, convert_regs_2, convert_regs): Modified. + * regclass.c (scan_one_insn, regclass): Modified. + * regmove.c (mark_flags_life_zones, regmove_optimize, + combine_stack_adjustments): Modified. + * regrename.c (regrename_optimize, copyprop_hardreg_forward): Modified. + * reload1.c (reload, reload_combine, copy_eh_notes): Modified. + * reorg.c (dbr_schedule): Modified. + * resource.c (find_basic_block, init_resource_info): Modified. + * sbitmap.c (sbitmap_intersection_of_succs, + sbitmap_intersection_of_preds, sbitmap_union_of_succs, + sbitmap_union_of_preds): Modified. + * sched-deps.c (init_dependency_caches): Modified. + * sched-ebb.c (schedule_ebbs): Modified. + * sched-rgn.c (is_cfg_nonregular, build_control_flow, debug_regions, + find_rgns, compute_trg_info, init_regions, schedule_insns): Modified. + * sibcall.c (optimize_sibling_and_tail_recursive_call): Modified. + * ssa-ccp.c (examine_flow_edges, optimize_unexecutable_edges, + ssa_ccp_substitute_constants, ssa_ccp_df_delete_unreachable_insns, + ssa_const_prop): Modified. + * ssa-dce.c (set_control_dependent_block_to_edge_map_, + find_control_dependence, find_pdom, ssa_eliminate_dead_code): Modified. + * ssa.c (remove_phi_alternative, find_evaluations, + compute_dominance_frontiers_1, compute_iterated_dominance_frontiers, + insert_phi_node, rename_block, convert_to_ssa, eliminate_phi, + make_regs_equivalent_over_bad_edges, + make_equivalent_phi_alternatives_equival, + compute_conservative_reg_partition, + coalesce_regs_in_successor_phi_nodes, compute_coalesced_reg_partition, + rename_equivalent_regs, convert_from_ssa, for_each_successor_phi): + Modified. + +2002-05-16 Mark Mitchell <mark@codesourcery.com> + + * cfgrtl.c (purge_dead_edges): Correct handling of EDGE_EH. + +2002-05-16 Nick Clifton <nickc@cambridge.redhat.com> + + * config/arm/arm.c (arm_rtx_costs): Check for RTX being a + SYMBOL_REF before calling CONSTANT_POOL_ADDRESS_P. + (arm_adjust_cost): Check for RTX being a SYMBOL_REF before + calling CONSTANT_POOL_ADDRESS_P. + * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Fix typo in code + to decide whether to define __arm__ or __thumb. + (THUMB_GO_IF_LEGITIMATE_ADDRESS): Check for RTX being a + SYMBOL_REF before calling CONSTANT_POOL_ADDRESS_P. + +2002-05-16 Neil Booth <neil@daikokuya.demon.co.uk> + + * config/arc/arc.h (CPP_PREDEFINES): Remove. + (CPP_SPEC): Update. + (TARGET_CPU_CPP_BUILTINS): New. + +2002-05-16 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.h (cpp_macro): Move here, and make expansion a union. + * cppmacro.c (cpp_macro): Remove. + (enter_macro_context, replace_args, warn_of_redefinition, + _cpp_create_definition, cpp_macro_definition): Update. + +2002-05-16 Jason Merrill <jason@redhat.com> + + * config/mips/mips.c (mips_output_external): Don't do sdata + optimization for a variable with DECL_COMDAT set. + +2002-05-15 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/altivec.h: Cleanups for tighter typechecking. + Cleanups for accepting modifiers on pointers. + Fix predicate typos. + Allow long pointers as well as int pointers. + +2002-05-15 Richard Henderson <rth@redhat.com> + + * varasm.c (merge_weak): Remove special case for extern and common. + +2002-05-15 Matt Hiller <hiller@redhat.com> + + * testsuite/gcc.c-torture/compile/20000804-1.x: Don't return 1 if + XFAILing. + * testsuite/gcc.c-torture/compile/20001226-1.x: Ditto. + * testsuite/gcc.c-torture/compile/920520-1.x: Ditto. + * testsuite/gcc.c-torture/compile/mipscop-1.x: XFAIL for now. + * testsuite/gcc.c-torture/compile/mipscop-2.x: Ditto. + * testsuite/gcc.c-torture/compile/mipscop-3.x: Ditto. + * testsuite/gcc.c-torture/compile/mipscop-4.x: Ditto. + +2002-05-15 Aldy Hernandez <aldyh@redhat.com> + + * reload1.c (forget_old_reloads_1): Do not use subreg offset. + +2002-05-15 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.md ("altivec_mtvscr"): Set VSCR register. + ("altivec_mfvscr"): Read from VSCR. + + Add vscr sets for the following insns: altivec_vctuxs, + altivec_vaddubs, altivec_vaddsbs, altivec_vadduhs, + altivec_vaddshs, altivec_vadduws, altivec_vaddsws, altivec_vctsxs, + altivec_vmhaddshs, altivec_vmhraddshs, altivec_vmsumuhs, + altivec_vmsumshs, altivec_vpkuhss, altivec_vpkshss, + altivec_vpkuwss, altivec_vpkswss, altivec_vpkuhus, + altivec_vpkshus, altivec_vpkuwus, altivec_vpkswus, + altivec_vsububs, altivec_vsubsbs, altivec_vsubuhs, + altivec_vsubshs, altivec_vsubuws, altivec_vsubsws, + altivec_vsum4ubs, altivec_vsum4sbs, altivec_vsum4shs, + altivec_vsum2sws, altivec_vsumsws. + + * config/rs6000/rs6000.h: Add VSCR fixed register. + (CALL_REALLY_USED_REGISTERS): Add vscr. + (CALL_USED_REGISTERS): Same. + (FIXED_REGISTERS): Same. + (REG_ALLOC_ORDER): Same. + (reg_class): Add VSCR_REGS. + (REG_CLASS_NAMES): Same. + (REG_CLASS_CONTENTS): Same. + (VSCR_REGNO): New. + (REGISTER_NAMES): Add vscr. + (DEBUG_REGISTER_NAMES): Same. + (ADDITIONAL_REGISTER_NAMES): Same. + (FIRST_PSEUDO_REGISTER): Increment. + (CONDITIONAL_REGISTER_USAGE): Set VSCR as a global register. + +2002-05-15 Jakub Jelinek <jakub@redhat.com> + + * fold-const.c (fold): Fix a typo. + +2002-05-15 Eric Botcazou <ebotcazou@multimania.com> + + * fold-const.c (fold) [LT_EXPR]: Move the transformation of a + comparison against the highest or lowest integer value before + the 'X >= CST to X > (CST - 1)' and 'X < CST to X <= (CST - 1)' + transformation and that of an unsigned comparison against 0 + right after. + +2002-05-15 Richard Henderson <rth@redhat.com> + + * varasm.c (merge_weak): Error for any weakening after definition. + Adjust weakening after use warning to catch more cases. + (assemble_alias): Set TREE_USED and TREE_ASM_WRITTEN consistently. + * config/alpha/alpha.c (alpha_encode_section_info): Do not abort. + +Wed May 15 10:38:27 CEST 2002 Jan Hubicka <jh@suse.cz> + + * invoke.texi (-malign-double): Re-add lost warning. + + * i386-protos.h (x86_output_mi_thunk): Declare. + * unix.h (ASM_OUTPUT_MI_THUNK): Move offline to ... + * i386.c (x86_output_mi_thunk): ... here; handle 64bits. + + * dwarf2out.c (output_call_frame_info): Do not skip unwind info + when flag_asynchronous_unwind_tables is set. + + * flags.h (flag_reorder_functions): Declare. + * function.c (prepare_function_start): Initialize frequnecy. + * params.def (HOT_BB_COUNT_FRACTION, HOT_BB_FREQUENCY_FRACTION): New. + * Makefile.in (predict.o): Add dependency on target.h and params.h + * defaults.h (HOT_TEXT_SECTION_NAME, + UNLIKELY_EXECUTED_TEXT_SECTION_NAME): New macros. + * predict.c (choose_function_section): New function. + (estimate_bb_frequencies): Use it. + * toplev.c (flag_reorder_functions): New global variable. + (lang_independent_options): New. + (parse_options_and_default_flags): Set. + * varasm.c (assemble_start_function): Bypass functdion alignment + for never executed functions. + * invoke.texi (-freorder-blocks, -freorder-functions): Document. + (param hot-bb-count-fraction, hot-bb-frequency-fraction): New. + * tm.texi (HOT_TEXT_SECTION_NAME, UNLIKELY_EXECUTED_TEXT_SECTION_NAME): + Document. + + Thu Jan 3 21:52:09 CET 2002 Jan Hubicka <jh@suse.cz> + + * predict.c: Inlude profile.h + (MIN_COUNT): Rename to MIN_COUNT_FRACTION + (maybe_hot_bb_p, probably_cold_bb_p, probably_never_executed_bb_p): + Use the information about maximal counter in the program. + + Thu Dec 20 22:14:00 CET 2001 Jan Hubicka <jh@suse.cz> + + * basic-block.h (maybe_hot_bb_p, probably_cold_bb_p, + probably_never_executed_bb_p): New functions. + * cfgcleanup.c (outgoing_edges_match): Use them. + * predict.c (MIN_COUNT, MIN_FREQUENCY): New macros. + (maybe_hot_bb_p, probably_cold_bb_p, + probably_never_executed_bb_p): New functions. + + * function.h (function): Add new field function_frequency. + * predict.c (compute_function_frequency): New function. + (estimate_probability): Call it. + +2002-03-09 Jakub Jelinek <jakub@redhat.com> + + PR optimization/5172, optimization/5200 + * gcse.c (gcse_main): Disable store_motion. + +2002-05-14 Zack Weinberg <zack@codesourcery.com> + + * c-parse.in (MODIFIED_WCHAR_TYPE): New macro. + (c_common_nodes_and_builtins): Use it. + (builtin_define_with_value): New function. + (cb_register_builtins): Define __SIZE_TYPE__, + __PTRDIFF_TYPE__, __WCHAR_TYPE__, and __WINT_TYPE__ here, + using builtin_define_with_value. Use consistent notation when + defining __GXX_WEAK__. + (WCHAR_TYPE_SIZE): Don't redefine. + (combine_strings): Don't use WCHAR_TYPE_SIZE. + + * cppdefault.h: Don't provide defaults for SIZE_TYPE, + PTRDIFF_TYPE, WCHAR_TYPE, or WINT_TYPE. + * cppinit.c (builtin_array): Remove entries for __SIZE_TYPE__ etc. + * tradcpp.c (initialize_builtins): Likewise. + * gcc.c (cpp_unique_options): Don't muck with __WCHAR_TYPE__. + + * c-lex.h (builtin_define_with_value): Prototype. + * system.h: Poison NO_BUILTIN_SIZE_TYPE, NO_BUILTIN_WCHAR_TYPE, + NO_BUILTIN_PTRDIFF_TYPE, and NO_BUILTIN_WINT_TYPE. + * doc/tm.texi: Remove mention of NO_BUILTIN_SIZE_TYPE etc. + + * config/avr/avr.h, config/h8300/h8300.h, config/i386/i386.h, + config/ia64/ia64.h, config/mips/dec-osf1.h, config/mips/iris6.h, + config/mips/linux.h, config/mips/mips.h, config/mips/netbsd.h, + config/mips/osfrose.h, config/mips/sni-svr4.h, config/rs6000/aix51.h, + config/s390/linux.h, config/sh/sh.h, config/sh/sh64.h, + config/sparc/linux64.h, config/sparc/netbsd-elf.h, + config/sparc/sol2-bi.h, config/sparc/sparc.h: + Do not define NO_BUILTIN_SIZE_TYPE etc. Remove all references + to __SIZE_TYPE__ etc from all spec strings. When this makes + extra specs empty, delete them. + +2002-05-14 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.c (override_options): Override TARGET_JUMP_IN_DELAY when scheduling + for PA8000 or generating dwarf2 call frame information. + (output_call): Remove DO_FRAME_NOTES check from return pointer + optimization. + (following_call): Return 0 when scheduling for PA8000 or generating + dwarf2 call frame information. Revise comment. + +2002-05-14 Neil Booth <neil@daikokuya.demon.co.uk> + +config/alpha: + * alpha.h (TARGET_CPU_CPP_BUILTINS): Define __IEEE_FP + and __IEEE_FP_INEXACT as appropriate. + (CPLUSPLUS_CPP_SPEC): Don't define __cplusplus. + (CPP_SPEC): Remove ieee defines. + * freebsd.h, netbsd.h: Remove ieee defines and cpp_cpu. + +2002-05-14 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (ix86_save_reg): Make regno unsigned. + (ix86_safe_length, ix86_safe_length_prefix, ix86_safe_memory): Kill. + +2002-05-14 Neil Booth <neil@daikokuya.demon.co.uk> + + * arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define. + (CPP_SPEC): Update. + (CPP_APCS_PC_SPEC, CPP_APCS_PC_DEFAULT_SPEC, + CPP_FLOAT_SPEC, CPP_FLOAT_DEFAULT_SPEC, CPP_ENDIAN_SPEC, + CPP_ENDIAN_DEFAULT_SPEC, CPP_INTERWORK_DEFAULT_SPEC, + CPP_INTERWORK_SPEC, CPP_PREDEFINES): Remove. + (EXTRA_SPECS): Update. + * arm/conix-elf.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h, + arm/riscix1-1.h, arm/rtems-elf.h, arm/semiaof.h, arm/unknown-elf.h, + arm/unknown-elf-oabi.h, arm/vxarm.h: Remove CPP_PREDEFINES and + define TARGET_OS_CPP_BUILTINS if necessary. + +2002-05-14 Neil Booth <neil@daikokuya.demon.co.uk> + + * gcc.c (cpp_options): Must pass -m* and -f* options + to the front end even when only preprocessing. + (cc1_options): Remove redundant -lang-c. + * tradcpp.c (main): Ignore -m options. +objc: + * lang-specs.h: Similarly. + +2002-05-14 Vladimir Makarov <vmakarov@redhat.com> + + * genautomata.c (transform_3): Add code for transformation + `(A,B,...)+C -> A+C,B,...'. + +Tue May 14 12:48:22 CEST 2002 Jan Hubicka <jh@suse.cz> + + * final.c (end_final): Do not output profile_arcs constructor, when + no functions are instrumented. + +Tue May 14 12:38:30 CEST 2002 Jan Hubicka <jh@suse.cz> + + * i386.md (testsi to testqi_zext_1 splitter): Fix typo. + +2002-05-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/install.texi: Remove special markup originally required for + HTML generation with texi2html. + +2002-05-14 Andreas Schwab <schwab@suse.de> + + * config/ia64/sysv4.h (DO_SELECT_SECTION): Factored out of + SELECT_SECTION. + (UNIQUE_SECTION): Define to get small data correctly. + + * varasm.c (resolve_unique_section): Add third parameter + flag_function_or_data_sections and use it instead of + flag_function_sections. + (assemble_start_function): Pass flag_function_sections. + (asm_emit_uninitialised): Pass flag_data_sections. + (assemble_variable): Likewise. + +2002-05-14 Richard Henderson <rth@redhat.com> + + * config/i386/i386.md: Use define_constants for unspec numbers. + * config/i386/i386.c: Likewise. + +2002-05-13 Neil Booth <neil@daikokuya.demon.co.uk> + + * doc/contrib.texi: Update my entry. + +2002-05-13 Mark Mitchell <mark@codesourcery.com> + + * fixinc/inclhack.def (winidss_valist): Limit applicability. + * fixinc/fixincl.x: Regenerated. + * fixinc/tests/base/math.h: Update. + * fixinc/tests/base/testing.h: Likewise. + +2002-05-13 Zack Weinberg <zack@codesourcery.com> + + * genattr.c (gen_attr): Don't emit a comma after the last + enumerator. + +2002-05-13 Richard Henderson <rth@redhat.com> + + * cfgrtl.c (purge_dead_edges): Handle abnormal call edges created + by non-local gotos. + * recog.c (peephole2_optimize): Likewise. + +2002-05-13 Andris Pavenis <pavenis@lanet.lv> + + * cppfiles.c (open_file): Change mode (DJGPP only) of redirected + input to O_BINARY. + +2002-05-13 Jeffrey A Law (law@redhat.com) + + * flow.c (invalidate_mems_from_autoinc): Rewrite to use for_each_rtx. + Update prototype and callers. + (propagate_one_insn): Stack pointer adjustments kill MEMs on + the mem_set_list which reference the stack pointer, as do + calls to constant functions as they may clobber outgoing + argument space. + + * i386.c (ia32_multipass_dfa_lookahead): Prototype. + + * i386.c (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Define. + (ia32_multipass_dfa_lookahead): New function. + +2002-05-13 Neil Booth <neil@daikokuya.demon.co.uk> + + * gcc.c (SWITCH_TAKES_ARG): Remove 'V'. + (translate_options): Remove 'V'. + (process_command): Similarly. +doc: + * invoke.texi: Remove documentation of 'V'. + +2002-05-13 Ulrich Weigand <uweigand@de.ibm.com> + + * config/s390/linux.h: Revert 2002-04-22 changes. + +2002-05-13 Scott Marks <SMarks@mobile-mind.com> + + * config/fr30/fr30.md: Only allow splits of immediate loads + if the destination is a register. + +2002-05-13 Neil Booth <neil@daikokuya.demon.co.uk> + + * Makefile.in (c-common.o, cppinit.o): Update. + * c-common.c: Include except.h. + (cb_register_builtins): Handle __USING_SJLJ_EXCEPTIONS__. + Call TARGET_CPU_CPP_BUILTINS and TARGET_OS_CPP_BUILTINS. + * cppinit.c (__USING_SJLJ_EXCEPTIONS): Not here. + * defaults.h (TARGET_OS_CPP_BUILTINS, TARGET_CPU_CPP_BUILTINS, + CPP_PREDEFINES): Handle here. +config: + * alpha/alpha-interix.h, alpha/gnu.h, alpha/linux.h, + alpha/netbsd.h, alpha/openbsd.h, alpha/osf.h, alpha/unicosmk.h, + alpha/vms.h, alpha/vxworks.h: Remove CPP_PREDEFINES, define + TARGET_OS_CPP_BUILTINS. + * alpha/alpha.h (TARGET_CPU_CPP_BUILTINS): Define. + (CPP_SPEC, EXTRA_SPECS): Update. + (CPP_AM_BWX_SPEC, CPP_AM_MAX_SPEC, CPP_AM_FIX_SPEC, + CPP_AM_CIX_SPEC, CPP_IM_EV4_SPEC, CPP_IM_EV5_SPEC, + CPP_IM_EV6_SPEC, CPP_CPU_EV4_SPEC, CPP_CPU_EV5_SPEC, + CPP_CPU_EV56_SPEC, CPP_CPU_PCA56_SPEC, CPP_CPU_EV6_SPEC, + CPP_CPU_EV67_SPEC, CPP_CPU_DEFAULT_SPEC, CPP_CPU_SPEC): Remove. +doc: + * tm.texi (TARGET_REGISTER_CPP_BUILTINS): Remove. + (TARGET_OS_CPP_BUILTINS, TARGET_CPU_CPP_BUILTINS): Define. + +2002-05-12 Zack Weinberg <zack@codesourcery.com> + + * emit-rtl.c (global_rtl): Update comment. + (const_double_htab, const_double_htab_hash, + const_double_htab_hash, lookup_const_double): New. + (const_int_htab_hash, const_int_htab_eq): Remove const + qualifiers, which cause tons of warnings with RTL checking on. + (gen_rtx_CONST_DOUBLE): Deleted. + (const_double_from_real_value): New function - bears some + resemblance to the former immed_real_const_1. + (immed_double_const): Moved here from varasm.c and + simplified. + (gen_rtx_REG): Make REGNO unsigned to squelch warnings. + (gen_rtx_SUBREG): Use gen_rtx_raw_SUBREG. + (gen_rtx): Use immed_double_const. + (init_emit_once): Initialize the const_double_htab. Use + REAL_VALUE_FROM_INT where possible. Can now use + CONST_DOUBLE_FROM_REAL_VALUE when setting up const_tiny_rtx. + * varasm.c (struct varasm_status): Remove x_const_double_chain. + (const_double_chain, immed_real_const, clear_const_double_mem): Delete. + (immed_double_const, immed_real_const_1): Moved to emit-rtl.c. + (init_varasm_status, mark_varasm_status): Don't touch + x_const_double_chain. + + * output.h: Delete prototype for clear_const_double_mem. + * real.h: Make REAL_VALUE_TYPE a macro again. Remove leading + '0' slot from all CONST_DOUBLE_FORMAT definitions. Prototype + const_double_from_real_value, not immed_real_const_1, and use + it to define CONST_DOUBLE_FROM_REAL_VALUE. Define new macro + CONST_DOUBLE_ATOF. + * rtl.h (CONST_DOUBLE_CHAIN): Kill. + (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Adjust. + (gen_rtx_CONST_DOUBLE, immed_real_const): Delete prototypes. + (gen_rtx_REG): Second arg is unsigned. + + * gengenrtl.c (special_rtx): Take out CONST_DOUBLE. + (excluded_rtx): New, return true for CONST_DOUBLE. + (genmacro): Write nothing for excluded codes. + * combine.c (combine_simplify_rtx): Use CONST_DOUBLE_FROM_REAL_VALUE. + * expr.c (expand_expr): Likewise. + * ggc-common.c (ggc_mark_rtx_children_1): Don't mark the + CONST_DOUBLE_CHAIN. + * toplev.c (rest_of_compilation): Don't call + clear_const_double_mem. + + * config/rs6000/rs6000.c (rs6000_float_const): Delete. + (rs6000_hash_constant): Remove CONST_DOUBLE special case. + (toc_hash_eq): Remove CONST_DOUBLE and LABEL_REF special cases. + * config/rs6000/rs6000-protos.h: Don't prototype rs6000_float_const. + * config/c4x/c4x.md, config/rs6000/rs6000.md: Use CONST_DOUBLE_ATOF. + * config/dsp16xx/dsp16xx.md, config/mips/mips.md, + config/pa/pa.md: Use CONST_DOUBLE_FROM_REAL_VALUE. + * config/sparc/sparc.md, config/sparc/sparc.c: Use immed_double_const. + +2002-05-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * mips/iris6.h (CPLUSPLUS_CPP_SPEC): Define. + +2002-05-12 Tom Tromey <tromey@redhat.com> + + * tree.h (copy_node): Don't mention TREE_PERMANENT. + +2002-05-12 Zack Weinberg <zack@codesourcery.com> + + * gensupport.c (n_comma_elts): Moved here from genattrtab.c. + (scan_comma_elt): New function. Accepts whitespace in comma lists. + * gensupport.h: Prototype new routines. + * genattr.c (gen_attr): Use scan_comma_elt. Avoid unnecessary + use of printf. + * genattrtab.c (n_comma_elts): Moved to gensupport.c. + (next_comma_elt): Use scan_comma_elt. + + * config/i386/i386.md: Use new attribute notation to break up + long lines in define_attr forms. + +2002-05-12 Richard Henderson <rth@redhat.com> + + * expr.c (compress_float_constant): New. + (emit_move_insn): Use it. + (float_extend_from_mem): New. + (init_expr_once): Initialize it. + * real.c (exact_real_truncate): New. + + * config/i386/i386.h (CONST_COSTS): Assume CONST_DOUBLE gets + dropped into memory; penalize for size. + (RTX_COSTS): FLOAT_EXTEND is free. + * config/i386/i386.md (extendsfdf2, extendsfxf2, extendsftf2, + extenddfxf2, extenddftf2): Accept constants and drop them to memory. + +2002-05-12 Richard Henderson <rth@redhat.com> + + * profile.h (profile_info): Add missing extern to declaration. + * profile.c (profile_info): Define it. + +2002-05-11 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Revise sets of general registers + used for DImode and TImode. + +2002-05-11 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplex.c (_cpp_lex_direct): When in a directive at EOF + fake a newline. + +2002-05-11 Zack Weinberg <zack@codesourcery.com> + + * config/rs6000/rs6000.c (rs6000_default_long_calls, + rs6000_longcall_switch, rs6000_set_default_type_attributes): New. + (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Set it. + (rs6000_override_options): Handle -m(no-)longcall. + (init_cumulative_args, output_mi_thunk): Check for both + longcall and shortcall attributes on the function. + (rs6000_attribute_table): Add "shortcall". + (rs6000_handle_longcall_attribute): Update comment. + (altivec_expand_unop_builtin, altivec_expand_binop_builtin, + altivec_expand_ternop_builtin): Add default clauses to switches + to silence warnings. + + * config/rs6000/rs6000.h: Declare rs6000_longcall_switch and + rs6000_default_long_calls. Define REGISTER_TARGET_PRAGMAS. + (TARGET_OPTIONS): Add longcall and no-longcall. + + * config/rs6000/rs6000.md (call_nonlocal_sysv, + call_value_nonlocal_sysv): Split by alternatives. One pair + accepts only SYMBOL_REFs and rejects if CALL_LONG is set in + the call cookie. The other pair accepts only LR/CTR and has + no restriction. + + * config.gcc (rs6000-*-* | powerpc*-*-* trailer stanza): + Set c_target_objs, cxx_target_objs; add t-rs6000-c-rule to + tmake_file. + * config/rs6000/rs6000-c.c: New file. + * config/rs6000/t-rs6000-c-rule: New file. + * config/rs6000/rs6000-protos.c: Add multiple-include guard. + Prototype rs6000_pragma_longcall. + + * doc/extend.texi: Document shortcall attribute. + * doc/invoke.texi: Document -mlongcall, -mno-longcall. + +2002-05-11 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * reorg.c (dbr_schedule): Remove unnecessary test. + +Sat May 11 14:34:35 CEST 2002 Jan Hubicka <jh@suse.cz> + + * i386.md (testsi to testqi spliters): New. + + 2002-01-14 Josef Zlomek <zlomek@matfyz.cz> + + cfg.c (dump_edge_info): added dumping of EDGE_CAN_FALLTHRU. + + Wed Jan 9 2002 Josef Zlomek <zlomj9am@artax.karlin.mff.cuni.cz> + + * basic-block.h: New flag EDGE_CAN_FALLTHRU + * cfganal.c (set_edge_can_fallthru_flag): New function; marks the edges + that can be made fallthru. + + Mon Nov 12 16:25:53 CET 2001 Jan Hubicka <jh@suse.cz> + + * cfglayout.c (cleanup_unconditional_jumps): New static function. + (cfg_layout_initialize): Use it. + +2002-05-11 Marek Michalkiewicz <marekm@amelek.gda.pl> + + * config/avr/avr.c (avr_mcu_types): Update supported devices. + * config/avr/avr.h (CPP_SPEC, LINK_SPEC, CRT_BINUTILS_SPECS): Likewise. + * config/avr/t-avr (MULTILIB_MATCHES): Likewise. + +2002-05-11 Kazu Hirata <kazu@cs.umass.edu> + + * dbxout.c: Fix formatting. + * dependence.c: Likewise. + * df.c: Likewise. + * diagnostic.c: Likewise. + * doloop.c: Likewise. + * dominance.c: Likewise. + * doschk.c: Likewise. + * dwarf2asm.c: Likewise. + * dwarf2out.c: Likewise. + * dwarfout.c: Likewise. + +2002-05-10 Richard Henderson <rth@redhat.com> + + * final.c (end_final): Tidy whitespace. Don't honor flag_pack_struct. + Convert integers constants as needed. Replace "nwords" field with + "sizeof_bb". + (final): Save profile data if cfun->arc_profile, not profile_arc_flag. + * function.h: Fix typo in comment. + * libgcc2.c (struct bb): Replace "nwords" with "sizeof_bb". + +2002-05-10 Roger Sayle <roger@eyesopen.com> + + * fold-const.c (build_range_check): Optimize (c>=1) && (c<=127) + into the equivalent (signed char)c > 0. + +2002-05-10 Janis Johnson <janis187@us.ibm.com> + + * loop.c: (PREFETCH_EXTREME_DIFFERENCE, PREFETCH_BEFORE_LOOP): New. + (PREFETCH_CONDITIONAL): Renamed from PREFETCH_NOT_ALWAYS. + (struct prefetch_info): Fix spelling of member bytes_accessed. + (emit_prefetch_instructions): Make dump messages more regular; + restructure code to add more dump messages; use new macros for + heuristics. (There are no code generation changes in any of this). + +2002-05-10 David S. Miller <davem@redhat.com> + + * rtl.h (INSN_ANNULLED_BRANCH_P): Accept INSN too, update comment. + (struct rtx_def): Update unchanging flag comment. + * doc/rtl.texi (INSN_ANNULLED_BRANCH_P): Update description. + * reorg.c (delete_from_delay_list): INSN_ANNULLED_BRANCH_P needs + to be handled to INSN too. + (dbr_schedule): Likewise. + * resource.c (next_insn_no_annul): Likewise. + + * cse.c (rtx_cost): Remove multiplication by power of 2 special + casing. + +2002-05-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/install.texi (Specific, *-*-solaris2*): Update passus on + setting CONFIG_SHELL to /bin/ksh and remove alternate trick to + (possibly) work around broken /bin/sh. + +2002-05-10 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * config/mips/t-iris6 (SHLIB_SLIBDIR_SUFFIXES): Use mabi=64 and + . as N64/N32 libgcc_s.so subdirs. + +2002-05-10 David S. Miller <davem@redhat.com> + + * config/sparc/sparc.md: Use define_constants for unspec numbers. + + * rtl.h (struct rtx_def): Document unchanging and in_struct flags + more accurately. + (INSN_ANNULLED_BRANCH_P): Only valid for JUMP_INSN and CALL_INSN, fix + comment. + (INSN_FROM_TARGET_P): Valid also for CALL_INSN. + * doc/rtl.texi: Document these macros more accurately. + * recog.c (whole file): Only mess with INSN_ANNULLED_BRANCH_P for + JUMP_INSNs and CALL_INSNs. + * resource.c (whole file): Only mess with INSN_ANNULLED_BRANCH_P + or INSN_FROM_TARGET_P if the code is appropriate. + +2002-05-10 Marek Michalkiewicz <marekm@amelek.gda.pl> + + * config/avr/avr.c (print_operand): Check that addr is a SYMBOL_REF + before using SYMBOL_REF_FLAG (addr). + + * config/avr/avr-protos.h (avr_io_address_p): Declare. + * config/avr/avr.c (io_address_p): Rename to avr_io_address_p. + Make non-static. Update all callers. + * config/avr/avr.md (*cbi, *sbi, *sbix_branch, *sbix_branch_bit7): + New insns to clear/set/test a single bit in I/O address space. + +2002-05-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * rtl.h (ENABLE_RTL_FLAG_CHECKING): Also check for gcc >= 2.7. + +2002-05-09 Neil Booth <neil@daikokuya.demon.co.uk> + + * Makefile.in: Update. + * c-common.c (flag_iso, flag_undef, cb_register_builtins, + builtin_define_std): New. + (c_common_init): Register CPP builtins callback. + * c-common.h (flag_iso, flag_undef): New. + * c-decl.c (c_decode_option): Set flag_iso and flag_undef. + * c-lex.c: Don't include target.h. + (cb_register_builtins): Move to c-common.c. + (init_c_lex): Don't register hook here. + * c-lex.h (builtin_define, builtin_assert, builtin_define_std): New. + (cpp_define, cpp_assert): Remove. + * gcc.c (cc1_options): Pass -undef to front end. + * target-def.h (TARGET_REGISTER_CPP_BUILTINS): Remove. + (TARGET_INITIALIZER): Update. + * target.h (struct cpp_reader): Don't predeclare. + (struct gcc_target): Remove cpp builtin hook. + * tree.c (default_register_cpp_builtins): Remove. +doc: + * tm.texi: Update. + +2002-05-09 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppexp.c (_cpp_expand_op_stack): Set op_limit. + +2002-05-09 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * config/mips/t-iris6 (SHLIB_SLIBDIR_SUFFIXES): Define. + (SHLIB_LINK, SHLIB_INSTALL): Adjust. + +2002-05-09 Jakub Jelinek <jakub@redhat.com> + + * config/sparc/t-linux64 (SHLIB_MAPFILES): Set. + * config/sparc/libgcc-sparc-glibc.ver: New file. + * config/cris/t-linux (SHLIB_MAPFILES): Remove. + * mklibgcc.in: Preprocess SHLIB_MAPFILES with ml flags. + +2002-05-09 Jakub Jelinek <jakub@redhat.com> + + PR target/6429 + * Makefile.in (libgcc.mk): Pass SHLIB_SLIBDIR_SUFFIXES to mklibgcc. + * mklibgcc.in: If SHLIB_SLIBDIR_SUFFIXES is defined, put libgcc_s + shared libraries into multilib dirs, with SONAME libgcc_s.so.1 for + base multilibs. + * config/t-slibgcc-elf-ver (SHLIB_LINK): Adjust for the above. + * config/t-slibgcc-sld (SHLIB_LINK): Likewise. + * config/sparc/t-linux64 (SHLIB_SLIBDIR_SUFFIXES): Define. + * config/sparc/t-sol2-64 (SHLIB_SLIBDIR_SUFFIXES): Define. + +2002-05-09 Richard Henderson <rth@redhat.com> + + * config/ia64/ia64.md: Use define_constants for unspec numbers. + * config/ia64/ia64.c: Likewise. + +2002-05-09 Richard Sandiford <rsandifo@redhat.com> + + * config/mips/mips.c (mips_add_large_offset_to_sp): Remove FILE arg. + (save_restore_insns): Likewise. + (mips_expand_prologue, mips_expand_epilogue): Update callers. + (highpart_shift_operator): Attach ATTRIBUTE_UNUSED to mode argument. + +Thu May 9 11:50:09 2002 Jeffrey A Law (law@redhat.com) + + * athlon.md, k6.md, pentium.md, ppro.md): New files. + * i386.md: Move scheduling information into new files. + + * i386.md (type attribute): Add "rotate" for rotate insns. + (rotate insns): Set type to "rotate". + (various attributes and function units): Treat rotate like shift. + (pent_pair attribute): Only rotates by one bit position are + pairable. + (sbb insns): Explicitly set pent_pair attribute on a couple + that were missing it. + +Thu May 9 18:29:24 2002 J"orn Rennecke <joern.rennecke@superh.com> + + * sh.c (sh_builtin_saveregs): If starting with an odd fp register, + make sure that buffer starts on odd word address. + (sh_va_arg): Skip odd fp registers when reading a double precision + value. + +2002-05-09 Neil Booth <neil@daikokuya.demon.co.uk> + + * tree.h (preserve_data, object_permanent_p, type_precision): + Remove. + +2002-05-09 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplib.c (cpp_init_internal_pragmas): Remove #pragma poison. + * cppmacro.c (paste_all_tokens): Bad pastes are a hard error. +doc: + * cpp.texi: Update for removal of obsolete features. + +Thu May 9 07:46:18 2002 Jan Hubicka <jh@suse.cz> + Jeffrey A Law (law@redhat.com) + + * i386.c (ia32_use_dfa_pipeline_interface): New function. Use + the DFA interface for Pentium processors. + (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): DEFINE. + (attr_pent_pair, ix86_pent_find_pair): Remove. + (ix86_sched_reorder_pentium): Remove. + (ix86_sched_reorder): Remove reordering for Pentium. + * i386.md (Pentium scheduling): Rewrite using DFA description. + +Thu May 9 14:55:39 CEST 2002 Jan Hubicka <jh@suse.cz> + + * cfganal.c (can_fallthru): Fix fast path. + * cfgrtl.c (verify_flow_info): Avoid crash on conditionals + with edges to the next block. + +Thu May 9 14:52:45 CEST 2002 Jan Hubicka <jh@suse.cz> + Pavel Nejedly <bim@atrey.karlin.mff.cuni.cz> + + * final.c (end_final): Use C trees to output data structures for profiling. + + * Makefile.in (LIBGCC_DEPS): Added missing dependency on gcov-io.h + (profile.o): New dependency profile.h + (final.o): New dependency profile.h + * profile.h: New file. New global structure profile_info. + * final.h (count_edges_instrumented_now): Declare. + (current_function_cfg_checksum): Declare. + (function_list): New structure. + (functions_head, functions_tail): New static variables. + (end_final): Emits more data, removed some -ax stuff. + (final): Stores function names and chcksums. + * gcov-io.h (__write_gcov_string): New function. + (__read_gcov_string): New function. + * gcov.c (read_profile): New function. + (create_program_flow_graph): Uses read_profile instead of reading + da_file. + (read_files): Removed da_file checking, it's done by read_profile now. + * libgcc2.c (bb_function_info): New structure. + (bb): New field in structure, removed some -ax stuff. + (__bb_exit_func): Changed structure of da_file. + * profile.c (count_edges_instrumented_now): New global variable. + (current_function_cfg_checksum): New global variable. + (max_counter_in_program): New global variable. + (get_exec_counts): New function. + (compute_checksum): New function. + (instrument_edges): Sets count_edges_instrumented_now. + (compute_branch_probabilities): Uses get_exec_counts instead of + reading da_file. + (branch_prob): Calls compute_checksum and writes extra data to bbg_file. + (init_branch_prob): Removed da_file checking, done in get_exec_counts + now. + (end_branch_prob): Removed da_file checking, done in get_exec_counts + now. + * gcov.texi: Updated information about gcov file format. + +2002-05-09 Kazu Hirata <kazu@cs.umass.edu> + + * sbitmap.c: Fix formatting. + * scan.c: Likewise. + * scan-decls.c: Likewise. + * sched-deps.c: Likewise. + * sched-ebb.c: Likewise. + * sched-rgn.c: Likewise. + * sched-vis.c: Likewise. + * sdbout.c: Likewise. + * sibcall.c: Likewise. + * simplify-rtx.c: Likewise. + * ssa.c: Likewise. + * ssa-ccp.c: Likewise. + * ssa-dce.c: Likewise. + * stmt.c: Likewise. + * stor-layout.c: Likewise. + * stringpool.c: Likewise. + +2002-05-09 David S. Miller <davem@redhat.com> + + * config/sparc/sol2.h (ASM_CPU_SPEC): Handle -mcpu=v9. + +2002-05-07 David S. Miller <davem@redhat.com> + + * config/sparc/sparc.h (TARGET_BUGGY_QP_LIB): Define to zero. + * config/sparc/sol2.h (TARGET_BUGGY_QP_LIB): Override to one. + * config/sparc/sparc.c (emit_soft_tfmode_libcall): If the Qp + library implementation clobbers the output before the inputs + are fully consumed, use stack temporary for the output. + +2002-05-09 Jason Thorpe <thorpej@wasabisystems.com> + + * config/netbsd.h (CPP_SPEC): Remove. + * config/i386/netbsd-elf.h (CPP_SPEC): Define. + * config/i386/netbsd.h (CPP_SPEC): Define. + * config/ns32k/netbsd.h (CPP_SPEC): Define. + * config/sparc/netbsd-elf.h (CPP_SPEC): Remove. + * config/sparc/netbsd.h (CPP_SPEC): Define. + * config/vax/netbsd.h (CPP_SPEC): Define. + +2002-05-08 Kazu Hirata <kazu@cs.umass.edu> + + * read-rtl.c: Fix formatting. + * real.c: Likewise. + * recog.c: Likewise. + * regclass.c: Likewise. + * regmove.c: Likewise. + * reg-stack.c: Likewise. + * reload1.c: Likewise. + * reload.c: Likewise. + * resource.c: Likewise. + * rtlanal.c: Likewise. + * rtl.c: Likewise. + * rtl-error.c: Likewise. + +2002-05-08 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa/pa-64.h (MAX_WCHAR_TYPE_SIZE): Delete. + * pa/pa.h (MAX_WCHAR_TYPE_SIZE): Delete. + +2002-05-08 Bernd Schmidt <bernds@redhat.com> + + * config/i386/i386.h (CPP_CPUCOMMON_SPEC): Tweak previous change to + use __SSE2__ macro instead. + * config/i386/xmmintrin.h: Likewise. + +2002-05-08 Janis Johnson <janis187@us.ibm.com> + + * rtl.h (RTL_FLAG_CHECK*): Add an argument for the macro name, + and use it in all invocations of these macros. Clean up comments. + * rtl.c (rtl_check_failed_flag): Add an argument for the name + of the flag access macro whose check failed. + * doc/rtl.texi (Flags): Document additional flag uses. + +2002-05-08 Robert Spier <rspier@pobox.com> + Neil Booth <neil@daikokuya.demon.co.uk> + + PR preprocessor/6521 + * cppfiles.c (handle_missing_header): Don't do anything + different for <> includes. +doc: + * cppopts.texi: Update documentation for -MG. + +2002-05-08 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplex.c (cpp_interpret_charconst): Truncate as well as + sign-extend. +doc: + * cpp.texi: Clarify multichar charconst valuation. + +2002-05-08 Mark Mitchell <mark@codesourcery.com> + + * doc/invoke.texi: Document -mwindiss option. + +2002-05-08 Jason Merrill <jason@redhat.com> + + * dwarf2out.c (output_call_frame_info): Don't emit a CIE with no FDEs. + + * dwarf2out.c (gen_type_die): Abort on broken recursion. + + PR c++/6381 + * dwarf2out.c (rtl_for_decl_location): Only expand INTEGER_CST and + REAL_CST. + +2002-05-08 Nick Clifton <nickc@cambridge.redhat.com> + + * config/arm/t-arm-elf (MULTILIB): Do not allow big-endian/ + little-endian multilibs to override arm/thumb multilibs. + Do not build hardware floating point multilibs, nor apcs-26 + multilibs for the Thumb. + +2002-05-08 Mark Mitchell <mark@codesourcery.com> + + PR c/6569. + * varasm.c (mark_weak): New function. + (merge_weak): Use it. Do not call declare_weak. + (declare_weak): Use merge_weak. + +Wed May 8 13:12:11 CEST 2002 Jan Hubicka <jh@suse.cz> + + * cse.c (dead_libcall_p): Update counts. + (delete_trivially_dead_insns): Update call of dead_libcall_p. + +Wed May 8 11:08:50 CEST 2002 Jan Hubicka <jh@suse.cz> + + * cfglayout.c (function_tail_eff_head): Rename to ... + (function_footer): ... this one. + (unlink_insn_chain): New functions. + (label_for_bb): Only call block_label and emit debug message. + (record_effective_endpoints): Actually unlink the headers and footers. + (fixup_reorder_cahin): Re-insert the unlinked sequences. + (cfg_layout_duplicate_bb): Use duplicate_insn_chain. + * cfglayout.h (struct reorder_block_def): New fields footer/header; + remove eff_head/eff_end. + * rtl.h (set_first_insn): Declare. + * emit-rtl.c (set_first_insn): New function. + + * cfglayout.c (fixup_reorder_chain): Dump duplicated + (cfg_layout_can_duplicate_bb_p, cfg_layout_rerirect_edge, + cfg_layout_duplicate_bb): New global function. + (duplicate_insn_chain): New static function. + * cfglayout.h (cfg_layout_can_duplicate_bb_p, cfg_layout_rerirect_edge, + cfg_layout_duplicate_bb): Declare. + (struct reorder_block_def): Add "original" field. + * emit-rtl.c (emit_copy_of_insn_after): New function. + * rtl.h (emit_copy_of_insn_after): Declare. + + * cfglayout.c (fixup_fallthru_exit_predecessor): Kill. + (fixup_reorder_chain): properly handle edges to exit block. + +Wed May 8 11:10:31 CEST 2002 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz> + Jan Hubicka <jh@suse.cz> + + * basic-block.h (note_prediction_to_br_prob): declare. + * c-semantics.c: Inlucde predit.h + (expand_stmt): predict GOTO_STMT as not taken. + * cfgcleanup.c: (delete_unreachable_blocks): Make global. + (cleanup_cfg): Do not free tail_recursion_list. + * cfgrtl.c (can_delete_note_p): Delete NOTE_INSN_PREDICTION. + (flow_delete_block): Kill predictions past end of basic block. + * output.h (delete_unreachable_blocks): Declare. + * predict.c (predicted_by_p, process_note_predictions, + process_note_prediction, last_block_p): New function. + (estimate_probability): Bypass loop on PRED_CONTINUE; + do not handle noreturn heuristics; kill PRED_RETURN; add + PRED_EARLY_RETURN. + * predict.def (PRED_CONTINUE, PRED_EARLY_RETURN, PRED_GOTO, + PRED_CONST_RETURN, PRED_NEGATIVE_RETURN, PRED_NULL_RETURN): New. + * predict.h (IS_TAKEN): New constant. + * print-rtl.c (print_rtx): Pretty print NOTE_INSN_PREDICTION. + * rtl.c (NOTE_INSN_PREDICTION): New. + * rtl.h (NOTE_PREDICTION, NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS): + New macro. + (insn_note): add NOTE_INSN_PREDICTION. + * sibcall.c (optimize_sibling_and_tail_recursive_call): Do not build + CFG; free tail_recursion_label_list. + * stmt.c: Include predict.h; + (return_prediction): New. + (expand_value_return): Use it. + * toplev.c: Lower NOTE_INSN_PREDICTION before sibcall. + +2002-05-08 Richard Sandiford <rsandifo@redhat.com> + + * config/mips/mips.md: Name the unspecs with define_constant. + (*HILO_delay): Rename to 'hilo_delay' (no star). + (reload_indi): Replace gen_rtx_UNSPEC with gen_hilo_delay. + (reload_outdi, reload_outsi): Likewise. + +2002-05-07 Kazu Hirata <kazu@cs.umass.edu> + + * toplev.c: Fix formatting. + +2002-05-07 Janis Johnson <janis187@us.ibm.com> + + * config.in (ENABLE_RTL_FLAG_CHECKING): New. + * configure.in (ac_rtlflag_checking): New. + * doc/install.texi (--enable-checking): Document RTL flag checking. + +2002-05-07 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-common.c (c_common_init): Set options->unsigned_wchar. + * cppinit.c (cpp_create_reader): Default unsigned_wchar, + group target dependencies. + (init_builtins, cpp_handle_option): Update. + * cpplex.c (cpp_interpret_charconst): Update. + * cpplib.h (struct cpp_options): Add unsigned_wchar, rename + signed_char to unsigned_char, group target dependencies. + * defaults.h (WCHAR_UNSIGNED): Remove. + * system.h (WCHAR_UNSIGNED, MAX_CHAR_TYPE_SIZE): Poison. +config: + * freebsd.h, interix.h, alpha/freebsd.h, arm/freebsd.h, + i386/386bsd.h, i386/beos-elf.h, i386/bsd386.h, i386/cygwin.h, + i386/djgpp.h, i386/freebsd-aout.h, i386/i386-interix.h, + i386/win32.h, ia64/freebsd.h, mips/netbsd.h, rs6000/freebsd.h, + sh/elf.h, sh/sh.h, sparc/freebsd.h: Remove WCHAR_UNSIGNED. +doc: + * tm.texi: Remove MAX_CHAR_TYPE_SIZE. + +2002-05-07 Mark Mitchell <mark@codesourcery.com> + + * fixinc/inclhack.def (windiss_math1): New fix. + (windiss_math2): Likewise. + (windiss_valist): Likewise. + * fixinc/fixincl.x: Regenerated. + +2002-05-07 Andreas Jaeger <aj@suse.de> + + * genautomata.c (output_internal_min_issue_delay_func): Add + ATTRIBUTE_UNUSED to avoid warning with empty dfa. + (output_internal_trans_func): Likewise. + +Tue May 7 10:06:22 2002 Jeffrey A Law (law@redhat.com) + + * pa.c (hppa_profile_hook): Use force_reg to get the address + of the profile hook into an appropriate pseudo register. + +2002-05-07 Mark Mitchell <mark@codesourcery.com> + + * config/rs6000/sysv4.h (SUBTARGET_SWITCHES): Add -mwindiss. + (LINK_START_SPEC): Handle it. + (LINK_OS_SPEC): Likewise. + (CPP_SPEC): Likewise. + (STARTFILE_SPEC): Likewise. + (LIB_SPEC): Likewise. + (ENDFILE_SPEC): Likewise. Do not assume crtsavres.o is used on + all platforms. + (CRTSAVRES_DEFAULT_SPEC): New macro. + (LIB_WINDISS_SPEC): New macro. + (CPP_OS_WINDISS_SPEC): Likewise. + (STARTFILE_WINDISS_SPEC): Likewise. + (ENDFILE_WINDISS_SPEC): Likewise. + (LINK_START_WINDISS_SPEC): Likewise. + (LINK_OS_WINDISS_SPEC): Likewise. + * config/rs6000/windiss.h: New file. + +2002-05-07 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.c (bdesc_2arg): Fix vmax typos. + +2002-05-06 David S. Miller <davem@redhat.com> + + * config/sparc/sparc.md (shift insns): Do not mask off + second operand, 'I' constraint and SHIFT_COUNT_TRUNCATED + take care of it. + +2002-05-06 Richard Henderson <rth@redhat.com> + + PR c++/6212 + * expr.c (highest_pow2_factor_for_type): New. + (expand_assignment): Use it. + +2002-05-06 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.md ("altivec_mtvscr"): Change to + unspec_volatile. + ("altivec_mfvscr"): Same. + +2002-05-06 Janis Johnson <janis187@us.ibm.com> + + * rtl.h (struct rtx_def): Update comments. + (RTL_FLAG_CHECK[12345678]): New. (rtl_check_failed_flag): Declare. + (RTL_FLAG): New. (CLEAR_RTX_FLAGS): New. (flag access macros): Use + RTL_FLAG_CHECK macros with list of expected RTL codes. + * rtl.c (copy_rtx, shallow_copy_rtx): Use RTX_FLAG macro. + (rtl_check_failed_flag): New. + * reload1.c (reload): Use REG macro before changing rtx to MEM. + (reload_cse_noop_set_p): Check rtx code before using access macro. + * config/ia64/ia64.c (process_for_unwind_directive): Check rtx code + before using access macro. + +2002-05-06 Janis Johnson <janis187@us.ibm.com> + + * doc/rtl.texi (Flags): Update to reflect current usage. + +2002-05-06 Roger Sayle <roger@eyesopen.com> + + PR opt/3995 + * fold-const.c (sign_bit_p): New function. + (fold) [EQ_EXPR]: Use this to convert (A & C) == 0 into A >= 0 and + (A & C) != 0 into A < 0, when constant C is the sign bit of A's type. + Reapply fold when converting (A & C) == C into (A & C) != 0. + (fold_binary_op_with_conditional_arg): Fix typo in comment. + +2002-05-07 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-common.c (warn_multichar): New. + (c_common_init): Set CPP's warn_multichar. + * c-common.h (warn_multichar): New. + * c-decl.c (warn_multichar): Remove. + * c-lex.c (lex_charconst): Update. + * c-tree.h (warn_multichar): Remove. + * cppexp.c (eval_token): Sign-extend charconst value. + * cppinit.c (cpp_create_reader): Set warn_multichar. + * cpplex.c (cpp_interpret_charconst): Don't sign-extend + each character. Update prototype. Sign-extend the result. + * cpplib.h: Fix conditions. + (struct cpp_options): Add new warning flag. + (cpp_interpret_charconst): Update prototype. +doc: + * cpp.texi: Update documentation. + +2002-05-06 Vladimir Makarov <vmakarov@redhat.com> + + * genautomata.c (form_the_same_automaton_unit_lists_from_regexp): + Fix typo in usage of allof instead of unit. + +2002-05-06 Richard Henderson <rth@redhat.com> + + * recog.c (if_test_bypass_p): Accept multiple set insns for OUT, + and any jump or call for IN. + +2002-05-06 Bernd Schmidt <bernds@redhat.com> + + * config/i386/i386.h (CPP_CPUCOMMON_SPEC): Define __SSE2_BUILTINS__ if + -msse2. + * config/i386/xmmintrin.h: Use it to conditionalize SSE2 support. + +2002-05-06 Roger Sayle <roger@eyesopen.com> + + * fold-const.c (lshift-double): Cast the high word to an unsigned + HOST_WIDE_INT when extracting sign bit to avoid compiler warning. + (div_and_round_double): Cast carry to a signed HOST_WIDE_INT to + avoid compiler warning. (fold): Remove redundant code from + BIT_AND_EXPR as integer operands are canonicalized to be arg1. + +2002-05-06 Jeff Law <law@redhat.com> + + * pa-protos.h (hppa_fpstore_bypass_p): Declare. + * pa.c (pa_adjust_cost): Remove all true dependency cost + adjustments. Also remove support for non-DFA scheduling. + * pa.md (700, 7100, 7100lc, 7200, 7300): Use bypass mechanism + to adjust true dependency costs. Update various comments. + (7100lc, 7200, 7300 scheduling): Simplify by combining the + FP ALU & MPY units into a single unit. + +2002-05-06 Catherine Moore <clm@redhat.com> + + * config/v850/v850.c (compute_register_save_size): Make sure + to count all of the registers that will be saved. + +Mon May 6 18:03:11 CEST 2002 Jan Hubicka <jh@suse.cz> + + * i386.c (q_regs_operand): Use ANY_QI_REGS_P. + +2002-05-06 David S. Miller <davem@redhat.com> + + * config/sparc/sparc.c (emit_soft_tfmode_libcall): Do not + allow result to overlap input operands in memory. + +2002-05-06 Neil Booth <neil@daikokuya.demon.co.uk> + +doc: + * cpp.texi: Update multichar charconst docs. + +2002-05-06 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplex.c (cpp_interpret_charconst): Sign-extend each + character. Don't ignore excess characters. Treat + multicharacter character constants as signed. + (cpp_parse_escape): Clarify diagnostic. + +2002-05-05 Jakub Jelinek <jakub@redhat.com> + + * config/sparc/sparc.md (ashlsi3): If shift count is const1_rtx, + use add instead of shift. + (ashldi3_sp64): Likewise. + (ashlsi3_const1, ashldi3_const1): Remove. + * config/sparc/sparc.h (PREDICATE_CODES): Add const1_operand. + * config/sparc/sparc.c (const1_operand): New. + +2002-05-05 Jason Thorpe <thorpej@wasabisystems.com> + + * config.gcc (alpha*-*-netbsd*): Don't use crtstuff. + +2002-05-05 Jakub Jelinek <jakub@redhat.com> + + PR target/6561 + * config/sparc/sparc.md (muldi3_v8plus): Handle %1 equal to %2. + +2002-05-05 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (alpha_adjust_cost): Remove everything but + memory latency adjustments. + (alpha_variable_issue): Remove. + (alpha_use_dfa_pipeline_interface): New. + (alpha_multipass_dfa_lookahead): New. + * config/alpha/alpha.md: Remove define_function_unit scheduling; + include new dfa scheduling. + (attr type): Add none. + (blockage): Use it. + * config/alpha/ev4.md: New. + * config/alpha/ev5.md: New. + * config/alpha/ev6.md: New. + +2002-05-05 David S. Miller <davem@redhat.com> + + * recog.c (store_data_bypass_p): Handle CLOBBER inside PARALLEL. + +2002-05-05 Kazu Hirata <kazu@cs.umass.edu> + + * cse.c: Fix formatting. + * emit-rtl.c: Likewise. + +2002-05-05 Vladimir Makarov <vmakarov@redhat.com> + + * genautomata.c (initiate_states): Add additional guard to + initialize `units_array'. + +2002-05-05 Vladimir Makarov <vmakarov@redhat.com> + + * genautomata.c (form_the_same_automaton_unit_lists_from_regexp, + process_unit_to_form_the_same_automaton_unit_lists, + form_the_same_automaton_unit_lists + check_unit_distributions_to_automata): New prototypes and + functions. + (check_automata): Rename it into `check_automata_insn_issues'. + (unit_decl): New fields `the_same_automaton_unit' and + `the_same_automaton_message_reported_p'. + (unit_decl_t): New typedef. + (the_same_automaton_lists): New gloval variable. + (unit_regexp, unit_set_el, units_array, units_cmp, + output_get_cpu_unit_code_func): Use the typedef. + (evaluate_max_reserv_cycles): Increment + `description->max_insn_reserv_cycles'. + (initiate_states): Don't increment `max_cycles_num'. + (transform_insn_regexps): Move code around transformation of + regexps from `generate'. + (generate): Remove call of `transform_insn_regexps'. + (expand_automata): Call `transform_insn_regexps' and + `check_unit_distributions_to_automata'. Check errors before + `generate'. + + * config/sparc/ultra3.md (us3_a0, us3_a1): Move the units into + automaton `ultrasparc3_1'. + +2002-05-05 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-common.c (c_common_init): Set up CPP arithmetic. + * cppinit.c (cpp_create_reader): Default CPP arithmetic to + something reasonable for the host. + (sanity_checks): Add checks. + (cpp_read_main_file): Call sanity_checks() from here... + (cpp_post_options): ... not here. + * cpplex.c (cpp_interpret_charconst): Get max_chars right. + * cpplib.h (struct cpp_options): New member int_precision. + +2002-05-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * doc/install.texi (powerpc-*-linux-gnu*): Update build requirements. + +2002-05-04 David S. Miller <davem@redhat.com> + + * config/sparc/linux.h, config/sparc/linux64.h + (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define twice. + + * config/sparc/sparc.c (sparc_rtx_costs): Describe costs of + more RTX codes. + * config/sparc/sparc.h (RTX_COSTS_CASES): List those new codes. + + * recog.c (store_data_bypass_p): Handle out_insn being a PARALLEL + of SETs. + +2002-05-05 Tim Josling <tej@melbpc.org.au> + + * treelang; New directory for new sample language treelang. + +2002-05-04 Neil Booth <neil@daikokuya.demon.co.uk> + + * Makefile.in (c-lex.o): Update. + * c-lex.c: Include target.h. + (cb_register_builtins): New. + (init_c_lex): Set builtins callback. + * c-lex.h (cpp_define, cpp_assert): New prototypes. + * cppinit.c (init_builtins): Use callback, including for + GXX_WEAK. + * cpplib.h (struct cpp_callbacks): New member. + * target-def.h (TARGET_REGISTER_CPP_BUILTINS): New. + (TARGET_INITIALIZER): Update. + * target.h (struct gcc_target): New hook. + * tree.c (default_register_cpp_builtins): New. + * tree.h (default_register_cpp_builtins): New. +doc: + * tm.texi (TARGET_REGISTER_CPP_BUILTINS): Document. + +2002-05-04 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinit.c (MAX_WCHAR_TYPE_SIZE): Move to cpplib.h + (cpp_post_options): Move sanity checks to... + (sanity_checks): New. + * cpplex.c (maybe_read_ucs): Fix prototype. + (parse_string, cpp_parse_escape): Cast for %c format specifier. + * cpplib.h (cppchar_t): Use unsigned long or unsigned long long + if necessary. + +2002-05-04 Bernd Schmidt <bernds@redhat.com> + + * config/i386/i386.c (bdesc_2arg): Add a couple of missing SSE2 + builtins. Use V2DI patterns instead of TI for logical operations. + (ix86_init_mmx_sse_builtins): Add a couple of missing SSE2 builtins. + Correct definitions of psadbw, pmovmskb128, movntdq, cvtdq2ps. + (ix86_expand_builtins): Change the pattern used for movntdq. + * config/i386/i386.md (sse2_andv2di3, sse2_iorv2di3, sse2_xorv2di3, + sse2_nandv2di3): New patterns. + (sse2_anddf3, sse2_nanddf3, sse2_iordf3, sse2_xordf3): Correct modes + on operands. + (sse2_movntv2di): Renamed from sse2_movntti and modes adjusted. + (cvtdq2pd): Correct mode on operand 1. + (sse2_umulsidi3): Describe without unspec. + (sse2_psadbw, mmx_psadbw): Describe with unspec; use more appropriate + machine modes. + (lshrv2di3): Renamed from sse2_lshrv2di3 and removed unspec. + (ashlv2di3): Likewise, from sse2_ashlv2di3. + (ashrv8hi3, ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, + ashlv4si3, ashlv2di3): Use SImode for shift count. + (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti, lshrv2di3_ti, + lshrv4si3_ti, lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): + New patterns. + * config/i386/xmmintrin.h (__v2df, __v2di, __v4si, __v8hi, __v16qi): + New typedefs. + (__m128i, __m128d): New macros. + (_mm_add_pd, _mm_add_sd, _mm_sub_pd, _mm_sub_sd, _mm_mul_pd, + _mm_mul_sd, _mm_div_pd, _mm_div_sd, _mm_sqrt_pd, _mm_sqrt_sd, + _mm_min_pd, _mm_min_sd, _mm_max_sd, _mm_max_pd, _mm_and_pd, + _mm_andnot_pd, _mm_xor_pd, _mm_or_pd, _mm_cmpeq_pd, _mm_cmplt_pd, + _mm_cmple_pd, _mm_cmpgt_pd, _mm_cmpge_pd, _mm_cmpneq_pd, + _mm_cmpnlt_pd, _mm_cmpnle_pd, _mm_cmpngt_pd, _mm_cmpnge_pd, + _mm_cmpord_pd, _mm_cmpunord_pd, _mm_cmpeq_sd, _mm_cmplt_sd, + _mm_cmple_sd, _mm_cmpgt_sd, _mm_cmpge_sd, _mm_cmpneq_sd, + _mm_cmpnlt_sd, _mm_cmpnle_sd, _mm_cmpngt_sd, _mm_cmpnge_sd, + _mm_cmpord_sd, _mm_cmpunord_sd, _mm_comieq_sd, _mm_comilt_sd, + _mm_comile_sd, _mm_comigt_sd, _mm_comige_sd, _mm_comineq_sd, + _mm_ucomieq_sd, _mm_ucomieq_sd, _mm_ucomilt_sd, _mm_ucomile_sd, + _mm_ucomigt_sd, _mm_ucomige_sd, _mm_ucomineq_sd, _mm_cvtepi32_pd, + _mm_cvtepi32_ps, _mm_cvtpd_epi32, _mm_cvtpd_pi32, _mm_cvtpd_ps, + _mm_cvttpd_epi32, _mm_cvttpd_pi32, _mm_cvtpi32_pd, _mm_cvtps_epi32, + _mm_cvttps_epi32, _mm_cvtps_pd, _mm_cvtsd_si32, _mm_cvttsd_si32, + _mm_cvtsd_ss, _mm_cvtsi32_sd, _mm_cvtss_sd, _mm_unpackhi_pd, + _mm_unpacklo_pd, _mm_loadh_pd, _mm_storeh_pd, _mm_storel_pd, + _mm_movemask_pd, _mm_packs_epi16, _mm_packs_epi32, _mm_packus_epi16, + _mm_unpackhi_epi8, _mm_unpackhi_epi16, _mm_unpackhi_epi32, + _mm_unpacklo_epi8, _mm_unpacklo_epi16, _mm_unpacklo_epi32, + _mm_add_epi8, _mm_add_epi16, _mm_add_epi32, _mm_add_epi64, + _mm_adds_epi8, _mm_adds_epi16, _mm_adds_epu8, _mm_adds_epu16, + _mm_sub_epi8, _mm_sub_epi16, _mm_sub_epi32, _mm_sub_epi64, + _mm_subs_epi8, _mm_subs_epi16, _mm_subs_epu8, _mm_subs_epu16, + _mm_madd_epi16, _mm_mulhi_epi16, _mm_mullo_epi16, _mm_mul_pu16, + _mm_mul_epu16, _mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, + _mm_sra_epi16, _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, + _mm_srl_epi64, _mm_slli_epi16, _mm_slli_epi32, _mm_slli_epi64, + _mm_srai_epi16, _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32, + _mm_srli_epi64, _mm_and_si128, _mm_andnot_si128, _mm_or_si128, + _mm_xor_si128, _mm_cmpeq_epi8, _mm_cmpeq_epi16, _mm_cmpeq_epi32, + _mm_cmpgt_epi8, _mm_cmpgt_epi16, _mm_cmpgt_epi32, _mm_max_epi16, + _mm_max_epu8, _mm_min_epi16, _mm_min_epu8, _mm_movemask_epi8, + _mm_mulhi_epu16, _mm_maskmoveu_si128, _mm_avg_epu8, _mm_avg_epu16, + _mm_sad_epu8, _mm_stream_si32, _mm_stream_si128, _mm_stream_pd, + _mm_movpi64_epi64, _mm_clflush, _mm_lfence, _mm_mfence): New + functions. + (_mm_shufflehi_epi16, _mm_shufflelo_epi16, _mm_shuffle_epi32, + _mm_extract_epi16, _mm_insert_epi16, _mm_shuffle_pd): New macros. + +2002-05-04 Kazu Hirata <kazu@cs.umass.edu> + + * dwarf2out.c: Fix formatting. + * varasm.c: Likewise. + +2002-05-04 David Edelsohn <edelsohn@gnu.org> + + PR c/6543 + * config/rs6000/rs6000.md (sCC pattern and splitter): Remove + clobber and use result as temporary value. + +Sat May 4 13:20:54 CEST 2002 Jan Hubicka <jh@suse.cz> + + * expr.c (force_operand): Use expand_simple_* to handle more + cases. + +2002-05-04 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lex.c (lex_string): Let cpp_parse_escape handles truncation + and sign-extension. + (lex_charconst): Update for change in prototype of + cpp_interpret_charconst. Extend from cppchar_t to HOST_WIDE_INT + appropriately. + * cpphash.h (BITS_PER_CPPCHAR_T): New. + * cppinit.c (cpp_create_reader): Initialize them for no + change in semantics. + (cpp_post_options): Add sanity checks. + * cpplex.c (cpp_parse_escape): Handle precision, sign-extension + and truncation issues. Calculate in type cppchar_t. + (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Remove. + (cpp_interpret_charconst): Calculate in type cppchar_t. Handle + run-time dependent precision correctly. Return whether the + result is signed or not. + * cpplib.c (dequote_string): Use cppchar_t; update. + * cpplib.h (cppchar_signed_t): New. + struct cpp_options): New precision members. + (cpp_interpret_charconst, cpp_parse_escape): Update prototypes. + * cppexp.c (eval_token): Update. + +2002-05-03 David S. Miller <davem@redhat.com> + + * config/sparc/sparc-protos.h (sparc_rtx_costs): New. + * config/sparc/sparc.c (sparc_rtx_costs): New function + implementing RTX_COSTS and CONST_COSTS. + * config/sparc/sparc.h (CONST_COSTS): Delete. + (RTX_COSTS_CASES): Define. + (RTX_COSTS): Expand RTX_COSTS_CASES and use sparc_rtx_costs to do + the work. + + * config/sparc/sparc.md (DFA schedulers): Split out... + * config/sparc/cypress.md, config/sparc/hypersparc.md, + config/sparc/sparclet.md, config/sparc/supersparc.md, + config/sparc/ultra1_2.md, config/sparc/ultra3.md: ... into here. + + * config/sparc/sparc.c (LEAF_REGISTERS): Do not do ifdef + checks on it, always defined for SPARC. + + * config/sparc/sparc.h (REG_ALLOC_ORDER, REG_LEAF_ALLOC_ORDER): + Tweak, and add more detailed comments. + +2002-05-03 Zack Weinberg <zack@codesourcery.com> + + * Re-apply patch accidentally reverted with + DFA scheduler merge: remove all rules and variables to slurp + source files out of libiberty and rebuild them with HOST_CC. + ($(HOST_PREFIX_1)varray.o): New rule. + (genattrtab rule): Word wrap. + +2002-05-03 Jason Thorpe <thorpej@wasabisystems.com> + + * config/i386/netbsd64.h (CPP_LP64_SPEC): Define. + (CPP_SUBTARGET_SPEC): Define. + (SUBTARGET_EXTRA_SPECS): Redefine, adding cpp_lp64 and + cpp_subtarget specs. + (CPP_SPEC): Redefine to include %(cpp_subtarget). + +2002-05-03 David S. Miller <davem@redhat.com> + + * target-defs.h (TARGET_SCHED_CYCLE_DISPLAY): Delete. + * target.h (struct gcc_target): Delete cycle_display member. + + * config/ia64/ia64.c (ia64_emit_insn_before): Put it back. + (rtx_needs_barrier): Delete reference to cycle_display unspec. + (ia64_sched_reorder2): Mention need for cycle display handling + once such notes exist. + +2002-05-03 Richard Henderson <rth@redhat.com> + + * real.c (etoasc): Strip most trailing zeros for clarity. + * sched-vis.c: Include real.h. + (print_value): Use REAL_VALUE_TO_DECIMAL as needed. + * Makefile.in (sched-vis.o): Add real.h. + +2002-05-03 David S. Miller <davem@redhat.com> + + * haifa-sched.c (rank_for_schedule): Revert 2002-05-02 change, + no longer needed. + +2002-05-03 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.c (altivec_expand_binop_builtin): Error out + when we get an out of range literal. + (altivec_expand_ternop_builtin): Same. + (altivec_expand_unop_builtin): Same. + (altivec_expand_builtin): Same, for dss. + (altivec_expand_builtin): Use trees instead of rtl when + determining literal argument validity. + +2002-05-03 David S. Miller <davem@redhat.com> + + Delete cycle display scheduling hook. + * config/ia64/ia64.c (ia64_cycle_display, + TARGET_SCHED_CYCLE_DISPLAY, ia64_emit_insn_before): Delete. + (ia64_sched_reorder2): Don't check for CODE_FOR_cycle_display + and use emit_insn_before instead of ia64_emit_insn_before. + * config/ia64/ia64.md (unspec usage): Delete cycle display. + (cycle_display): Delete insn pattern. + * config/sparc/sparc.md (unspec usage): Delete cycle display. + (cycle_display): Delete insn pattern. + * config/sparc/sparc.c (sparc_cycle_display, + TARGET_SCHED_CYCLE_DISPLAY): Delete. + * doc/md.texi (cycle_display): Don't mention. + * doc/tm.texi (TARGET_SCHED_CYCLE_DISPLAY): Likewise. + +2002-05-03 Richard Henderson <rth@redhat.com> + + * recog.c (store_data_bypass_p, if_test_bypass_p): New. + * recog.h: Declare them. + + * config/sparc/sparc.c (ultrasparc_store_bypass_p): Remove. + * config/sparc/sparc.md: Use store_data_bypass_p instead. + * config/sparc/sparc-protos.h: Update. + +2002-05-03 Jason Thorpe <thorpej@wasabisystems.com> + + * config/sparc/netbsd-elf.c (CPP_SUBTARGET_SPEC64): Remove + -D__arch64__. Add -D_LP64. + (CPP_ARCH32_SPEC): Redefine to match the non-bi-arch version + from sparc.h. + (CPP_ARCH64_SPEC): Likewise. + (NO_BUILTIN_PTRDIFF_TYPE): Undef. + (NO_BUILTIN_SIZE_TYPE): Undef. + +2002-05-03 Vladimir Makarov <vmakarov@redhat.com> + + * genautomata.c (min_issue_delay_pass_states): Change return type + in the prototype. + (min_issue_delay_pass_states): Change the algorithm. + (min_issue_delay): Set up min_insn_issue_delay for the state. + (output_min_issue_delay_table): Interchange the nested loops and + and initiate min_insn_issue_delay for states. + +Fri May 3 22:59:15 CEST 2002 Jan Hubicka <jh@suse.cz> + + * cfgcleanup.c (try_optimize_cfg): Call merge_block only when + jump is simplejump. + +Fri May 3 22:53:37 CEST 2002 Jan Hubicka <jh@suse.cz> + + * i386.c (expand_movstr, expand_clrstr): Fix inline-all-stringops + sequence. + +2002-05-03 Richard Henderson <rth@redhat.com> + + PR opt/6534 + * ifcvt.c (noce_try_store_flag, noce_try_store_flag_constants, + noce_try_store_flag_inc, noce_try_store_flag_mask, noce_try_cmove, + noce_try_cmove_arith, noce_try_minmax, noce_try_abs): Insert new + code before JUMP, not EARLIEST. + +2002-05-03 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-format.c (check_format_info_main): Don't check for presence of + parameter for * width until after operand number has been read, + and only check for it if format parameters are available. + Fixes PR c/6547. + +2002-05-03 Jason Thorpe <thorpej@wasabisystems.com> + + * config/alpha/netbsd.h (CPP_PREDEFINES): Add -D_LP64. + (LINK_SPEC): Undef before defining. + +2002-05-03 Jakub Jelinek <jakub@redhat.com> + + PR preprocessor/6489 + * tradcpp.c (fixup_newlines): New. + (main, finclude): Use it. + +2002-05-03 Richard Sandiford <rsandifo@redhat.com> + + * config/mips/elf64.h (UNIQUE_SECTION): Use mips_unique_section. + * config/mips/mips.c (mips_unique_section): Strip encoding from + decl name. + +2002-05-03 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.c (ix86_expand_int_movcc): Truncate to proper + mode. + +2002-05-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * doc/install.texi (Installing): Mention GCC 3.1 buildstats. + (Specific): Removed buildstats references. + (Specific, hppa*-hp-hpux11): Adjust for GCC versions > 3.0. + (Specific, sparc-sun-solaris2*): Update 64-bit hints for GCC 3.1. + Accomodate Solaris versions beyond 8. + (Specific, sparc-sun-solaris2.7): Update as path for GCC 3.1. + (Specific, *-*-solaris2.8): Removed, obsolete. + +2002-05-03 Jakub Jelinek <jakub@redhat.com> + + PR target/6542 + * config/sparc/sparc.h (leaf_reg_remap): Remove const. + (CONDITIONAL_REGISTER_USAGE): For TARGET_FLAT make + fill leaf_reg_remap with identity. + * config/sparc/sparc.c (leaf_reg_remap): Remove const. + +2002-05-03 Kazu Hirata <kazu@cs.umass.edu> + + * config/h8300/crti.asm: Remove trailing spaces. + * config/h8300/h8300.c: Likewise. + * config/h8300/lib1funcs.asm: Likewise. + +2002-05-02 Jason Merrill <jason@redhat.com> + + * defaults.h (BOOL_TYPE_SIZE): Move default here from cp/decl.c. + * c-decl.c (c_init_decl_processing): Use it. + * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Define to INT_TYPE_SIZE. + * config/i960/i960.h (BOOL_TYPE_SIZE): Don't define. + * config/mcore/mcore.h (BOOL_TYPE_SIZE): Don't define. + +2002-05-03 Kazu Hirata <kazu@cs.umass.edu> + + * regrename.c: Fix formatting. + * tree.c: Likewise. + +Fri May 3 13:34:43 CEST 2002 Jan Hubicka <jh@suse.cz> + + * i386.md (attribute memory): Handle compares properly. + +Fri May 3 10:51:38 CEST 2002 Jan Hubicka <jh@suse.cz> + + * i386.md (sse_clrsf, sse_clrsi): Set memory attribute + to none. + +2002-05-02 Kazu Hirata <kazu@cs.umass.edu> + + * function.c: Fix formatting. + +2002-05-02 Jan Hubicka <jh@suse.cz> + + * haifa-sched.c (schedule_insn): Print table of instructions and + reservations. + (sched_block): Do not print ready list at verbosity level 1. + * sched-vis.c (print_insn): Make global. + * sched-ebb.c (ebb_print_insn): Rename from... + (print_insn): ... this one. + * sched-int.h (print_insn): Declare + +2002-05-02 Richard Henderson <rth@redhat.com> + + * haifa-sched.c (rank_for_schedule): Skip past last_scheduled_insn + emitted by cycle_display. + +2002-05-02 Loren J. Rittle <ljrittle@acm.org> + + * doc/install.texi (*-*-freebsd*): Update to latest status. + +2002-05-02 Jakub Jelinek <jakub@redhat.com> + + PR target/6540 + * config.gcc (sparc*-*-solaris2*): Set float_format to i128. + * config/float-sparc.h: Assume 128-bit long double if + __LONG_DOUBLE_128__ is defined. + +2002-05-02 Vladimir Makarov <vmakarov@redhat.com> + + * genattrtab.c (write_function_unit_info): Add a dummy element + when num_units == 0. + +2002-05-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * predict.c: (propagate_freq, estimate_bb_frequencies): Use + TYPE_MODE (double_type_node) instead of DFmode. + +Thu May 2 19:50:04 CEST 2002 Jan Hubicka <jh@suse.cz> + + * cfgrtl.c (try_redirect_by_replacing_jump): Do not kill computed + jumps post reload. + * toplev.c (rest_of_compilation): Revert Richard's patch. + +2001-05-02 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa/x-ada (ADA_CFLAGS): Rename to X_ADA_CFLAGS. + +2002-05-02 Catherine Moore <clm@redhat.com> + + * config/v850/v850.h (TRAMPOLINE_TEMPLATE): Change r5 to r20. + +2002-05-02 Kazu Hirata <kazu@hxi.com> + + * combine.c: Fix comment typos. + * expr.c: Likewise. + * genautomata.c: Likewise. + * stmt.c: Likewise. + * tree.h: Likewise. + +2002-05-02 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/install.texi: State GNAT version requirements. + +2002-05-02 Nick Clifton <nickc@cambridge.redhat.com> + + * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Accept any form + of the frame pointer or arg pointer register which strict register + checking is not enabled. + +2002-05-02 Aldy Hernandez <aldyh@redhat.com> + + * gcc.dg/altivec-8.c: New. + + * config/rs6000/rs6000.c (rs6000_legitimate_address): Disallow + PRE_INC and PRE_DEC for altivec modes. + +2002-05-01 Bruce Korb <bkorb@gnu.org> + + * fixinc/check.tpl(set-writable): make sure the function exists first + * fixinc/inclhack.def(alpha_assert): fix test_text + * fixinc/tests/base/assert.h: add in missing result + +2002-05-01 Jeff Law <law@redhat.com> + + * pa.h (EXTRA_CONSTRAINT): Don't accept PIC addresses for the + 'T' constraint. + +2002-05-01 Joel Brobecker <brobecker@gnat.com> + + * dbxout.c (dbxout_type): Emit size information for range types, + as well, but only when using GDB extensions. + +2002-05-01 Richard Henderson <rth@redhat.com> + + * configure.in (HAVE_GAS_HIDDEN): Replace SPARC feature test with + target-independent gnu binutils date test. + +2002-05-01 Richard Henderson <rth@redhat.com> + + * cfgcleanup.c (merge_blocks_move_successor_nojumps): Emit dump + info before expunging the block. + +2002-05-01 Jakub Jelinek <jakub@redhat.com> + + * cppinit.c (cpp_handle_option) [-dM]: Don't set no_output here... + (cpp_post_options): ...but here. Disable -dD, -dN and -dI when + -M -or -MM is in effect. + +2002-05-01 Zack Weinberg <zack@codesourcery.com> + + * config.gcc: Correct test of --enable-obsolete. Obsolete all + A29k configurations. + * doc/install.texi: Update to match. + +2002-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + PR bootstrap/6514 + * varasm.c (globalize_decl): Compare DECL_ASSEMBLER_NAME to check + for duplicates. Always loop over whole list. + +Wed May 1 10:32:37 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * reload.c (find_reloads, case 'p'): Set BADOP to 0. + +2002-05-01 Joel Sherrill <joel@OARcorp.com> + + * config/sparc/t-elf (sparc-rtems, sparc-elf): Build assembly + support routines. + +2002-05-01 Joel Sherrill <joel@OARcorp.com> + + * config/arm/rtems-elf.h: Add #undef TARGET_VERSION to prevent warning. + +2002-05-01 David Edelsohn <edelsohn@gnu.org> + + * rs6000.md (abssi2_nopower): Convert to define_insn_and_split. + (nabs_nopower): Same. + (floatdisf2): New pattern. + (absdi2): Convert to define_insn_and_split. + (nabsdi2): Same. + (trunctfsf2): Same. + (floatditf2): Same. + (floatsitf2): Same. + (fix_trunctfdi2): Same. + (fix_trunctfsi2): Same. + +2002-05-01 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/install.texi: Update Texinfo version requirement + documentation. + +2002-05-01 Jakub Jelinek <jakub@redhat.com> + + PR target/6512, PR target/5628 + * config/sparc/sparc.md (movdf_insn_v9only_novis): Don't allow >= %f32 + when memory is not aligned. + (movdf_insn_v9only_vis): Likewise. + * config/sparc/sparc.h (SECONDARY_INPUT_RELOAD_CLASS): Request a FP_REGS + temporary for EXTRA_FP_REGS DFmode load from unaligned memory. + (SECONDARY_OUTPUT_RELOAD_CLASS): Similarly. + +2002-05-01 Aldy Hernandez <aldyh@redhat.com> + + * gcc.dg/altivec-7.c: New. + + * config/rs6000/altivec.h: Cleanup. + +2002-04-30 Aldy Hernandez <aldyh@redhat.com> + + * doc/invoke.texi (Option Summary): Add -mvrsave=. + (RS/6000 and PowerPC Options): Document -mvrsave=. + + * config/rs6000/rs6000.c (rs6000_altivec_vrsave): New global. + (rs6000_altivec_vrsave_string): Same. + (rs6000_override_options): Call rs6000_parse_vrsave_option. + (rs6000_parse_vrsave_option): New. + (rs6000_stack_info): Only generate vrsave instructions when + TARGET_ALTIVEC_VRSAVE. + + * config/rs6000/rs6000.h (TARGET_OPTIONS): Add -mvrsave= option. + (rs6000_altivec_vrsave_string): Define extern. + (rs6000_altivec_vrsave): Same. + (TARGET_ALTIVEC_VRSAVE): New. + +2002-04-30 Richard Henderson <rth@redhat.com> + + PR opt/6516 + * toplev.c (rest_of_compilation): Don't run cross-jump before + bb-reorder. + +2002-04-30 Tom Rix <trix@redhat.com> + + * regrename.c (build_def_use, copyprop_hardreg_forward_1): Sanity + check which_alternative. + +2002-04-30 Kazu Hirata <kazu@hxi.com> + + * cpplex.c: Fix comment formatting. + * function.c: Likewise. + * integrate.c: Likewise. + * regrename.c: Likewise. + * sibcall.c: Likewise. + * simplify-rtx.c: Likewise. + * tree-inline.c: Likewise. + +2002-04-30 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * config.gcc (hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-rtems*, + hppa1.0-*-osf*, hppa1.1-*-bsd*, hppa1.1-*-hpux10*, hppa2*-*-hpux10*, + hppa1.0-*-hpux10*, hppa*64*-*-hpux11*, hppa1.1-*-hpux11*, + hppa2*-*-hpux11*, hppa1.0-*-hpux11*, hppa*-*-lites*): Define xmake_file. + * pa/t-linux, pa/t-pa, pa/t-pa64, t-pro (T_ADAFLAGS): Delete. + * pa/x-ada: New file. Define ADA_CFLAGS. + +2002-04-30 Hans-Peter Nilsson <hp@bitrange.com> + + * config/mmix/mmix.h (MMIX_LAST_STACK_REGISTER_REGNUM): Renamed + from MMIX_LAST_REGISTER_FILE_REGNUM. + (NO_IMPLICIT_EXTERN_C): Remove cryptic obsolete comment. + (struct machine_function): New member highest_saved_stack_register + previously static variable in mmix.c. + (MACHINE_DEPENDENT_REORG): Define. + * config/mmix/mmix.c (highest_saved_stack_register): Deleted. + (MMIX_OUTPUT_REGNO): New. + (mmix_target_asm_function_prologue): Move calculation of last used + saved-stack-register into... + (mmix_machine_dependent_reorg): New function. Update to also handle + !TARGET_ABI_GNU. + (mmix_print_operand): Apply MMIX_OUTPUT_REGNO when emitting + register names, simplify somewhat by new variable regno. + <case 'p'>: Remove fixed FIXME. Always emit highest used saved + register. + (mmix_print_operand_address): Apply MMIX_OUTPUT_REGNO when + emitting register names. + (mmix_asm_output_reg_push, mmix_asm_output_reg_pop): Ditto. + (mmix_dbx_register_number): Apply MMIX_OUTPUT_REGNO here too. + Remove fixed FIXME. + * config/mmix/mmix-protos.h (mmix_machine_dependent_reorg): + Declare. + + * config/mmix/mmix.md ("divmoddi4"): Update head comment. + +2002-04-30 Richard Henderson <rth@redhat.com> + + * config/sparc/sparc.c (emit_soft_tfmode_libcall, + emit_soft_tfmode_binop, emit_soft_tfmode_unop, emit_soft_tfmode_cvt, + emit_hard_tfmode_operation, emit_tfmode_binop, emit_tfmode_unop, + emit_tfmode_cvt): New. + * config/sparc/sparc.md (extendsftf2, extenddftf2, trunctfsf2, + trunctfdf2, floatsitf2, floatunssitf2, floatditf2, floatunsditf2, + fix_trunctfsi2, fixuns_trunctfsi2, fix_trunctfdi2, fixuns_trunctfdi2, + addtf3, subtf3, multf3, divtf3, sqrttf2): Use them. + * config/sparc/sparc-protos.h: Update. + +2002-04-30 Janis Johnson <janis187@us.ibm.com> + + * install.texi (Final install): Add to the list of info to include + in a report of a successful bootstrap, and add link to 3.1 list. + +Tue Apr 30 19:15:36 CEST 2002 Jan Hubicka <jh@suse.cz> + + * i386.md (type): Add new SSE/MMX subtypes, remove usused fop1. + (mode): Add vector modes + (i387): Kill attribute. + (unit): New attribute. + (length_immediate): Grok new types. + (prefix_data16, prefix_rep, prefix_0f): Fix for SSE/MMX. + (modrm): Use "unit". + (memory): Handle MMX/SSE properly. + (scheduling descriptions): Kill uses of fop1. + (sse, mmx, fp patterns): Set type and mode properly. + +Tue Apr 30 09:31:59 2002 Jeffrey A Law (law@redhat.com) + + * pa.c (override_options): Default to PA8000 scheduling. + * doc/invoke.texi (HP-PA options): Mention newly added 7300 + scheduling parameter. + + * pa.md (7100lc, 7200, 7300 scheduling): Slightly refine + handling of double precision multiplies. + + * pa.md (7100lc, 7200, 7300 scheduling): Refine handling of + fpdiv and fpsqrt instructions. + (7200 & 7300 scheduling): Fix typo in handling of + store-load and store-store penalties. + +2002-04-30 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/contrib.texi (Contributors): Use MIPS instead of Mips and + mips. Add two missing commas. + +2002-04-30 Paolo Carlini <pcarlini@unitus.it> + + * doc/contrib.texi (Contributors): Update Paolo Carlini's + and Benjamin Kosnik's entries. + +2002-04-29 David S. Miller <davem@redhat.com> + + * config/sparc/sparc.h (BRANCH_COST, PREFETCH_BLOCK, + SIMULTANEOUS_PREFETCHES): Tune for UltraSPARC-III. + * config/sparc/sparc.md (call + jmp 32-bit peepholes): Likewise. + * config/sparc/sparc.c (sparc_initialize_trampoline): Likewise. + +2002-04-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * combine.c (find_split_point): Use gen_int_mode. + +2002-04-29 Vladimir Makarov <vmakarov@redhat.com> + + Merging code from dfa-branch: + + 2002-04-24 Vladimir Makarov <vmakarov@redhat.com> + + * genautomata.c (output_reserv_sets): Fix typo. + + 2002-04-23 Vladimir Makarov <vmakarov@redhat.com> + + * genautomata.c (output_reserv_sets): Remove + next_cycle_output_flag. + + Thu Apr 18 08:57:06 2002 Jeffrey A Law (law@redhat.com) + + * sched-rgn.c (init_ready_list): Make the DFA code handle + USE/CLOBBER insns in the same way as the traditional + scheduler. + (new_ready): Similarly.. + + 2002-04-17 Vladimir Makarov <vmakarov@redhat.com> + + * haifa-sched.c (schedule_block): Change the DFA state only after + issuing insn. + + Wed Apr 17 15:38:36 2002 Jeffrey A Law (law@redhat.com) + + * pa.c (hppa_use_dfa_pipeline_interface): New function. + (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define. + (override_options): Add PA7300 scheduling support. + (pa_adjust_cost): Update various comments. Properly + handle anti and output dependencies when using the + DFA scheduler. + (pa_issue_rate): Add PA7300 scheduling support. + (pa_can_combine_p): Call extract_insn before calling + constrain_operands (taken from mainline tree). + * pa.h (enum processor_type): Add PROCESSOR_PA7300. + * pa.md (cpu attr): Add 7300. Rewrite pipeline + descriptions using DFA descriptions. Add PA7300 + scheduling support. + + 2002-03-30 David S. Miller <davem@redhat.com> + + Add UltraSPARC-III DFA scheduling support. + * config/sparc/sparc.md (define_attr type): Add fpcrmove. + Update FP conditional move on register insn patterns to use it, as + appropriate. + (define_attr cpu): Add ultrasparc3. + (define_attr us3load_type): New, update integer load patterns to + set it, as appropriate. + (define_automaton): Add ultrasparc3_0 and ultrasparc3_1. + (rest): Add UltraSPARC3 scheduling description. + * config/sparc/sparc.h (TARGET_CPU_ultrasparc3): New. + (PROCESSOR_ULTRASPARC3): New. + ({ASM,CPP}_CPU64_DEFAULT_SPEC): Handle ultrasparc3. + ({ASM,CPP}_CPU_SPEC): Likewise. + (REGISTER_MOVE_COST): Likewise. + (RTX_COSTS): Likewise. + * config/sparc/sparc.c (sparc_override_options, + sparc_initialize_trampoline, sparc64_initialize_trampoline, + sparc_use_dfa_pipeline_interface, sparc_use_sched_lookahead, + sparc_issue_rate): Likewise. + * config/sparc/sol2.h: Likewise. + * config/sparc/sol2-sld-64.h: Likewise. + * config/sparc/linux64.h: Likewise. + + 2002-03-22 Vladimir Makarov <vmakarov@redhat.com> + + * doc/md.texi: Add comments about usage the latency time for the + different dependencies and about case when two or more conditions + in different define_insn_reservations returns TRUE for an insn. + + * doc/md.texi: Add reference for automaton based pipeline + description. + + 2002-03-04 Vladimir Makarov <vmakarov@redhat.com> + + * doc/passes.texi: Add missed information about genattrtab. + + 2002-03-01 Vladimir Makarov <vmakarov@redhat.com> + + * genautomata.c (output_automata_list_transition_code): Check + automata_list on NULL. + + 2002-02-28 Vladimir Makarov <vmakarov@redhat.com> + + * genautomata.c (output_insn_code_cases, + output_automata_list_min_issue_delay_code, + output_automata_list_transition_code, + output_automata_list_state_alts_code): Comment the functions. + + 2002-02-22 Vladimir Makarov <vmakarov@redhat.com> + + * genautomata.c (automata_list_el_t): New typedef. + (get_free_automata_list_el,free_automata_list_el, + free_automata_list, automata_list_hash, automata_list_eq_p, + initiate_automata_lists, automata_list_start, automata_list_add, + automata_list_finish, finish_automata_lists, + output_insn_code_cases, output_automata_list_min_issue_delay_code, + output_automata_list_transition_code, + output_automata_list_state_alts_code, add_automaton_state, + form_important_insn_automata_lists): New functions and prototypes. + (insn_reserv_decl): Add members important_automata_list and + processed_p. + (ainsn): Add members important_p. + (automata_list_el): New structure. + (first_free_automata_list_el, current_automata_list, + automata_list_table): New global variables. + (create_ainsns): Initiate member important_p. + (output_internal_min_issue_delay_func): Generate the switch and + call output_insn_code_cases. + (output_internal_trans_func, output_internal_state_alts_func): + Ditto. + (generate): Call initiate_automata_lists. + (automaton_states): New global variable. + (expand_automata): Call form_important_insn_automata_lists. + (write_automata): Call finish_automata_lists. + + 2002-02-21 Vladimir Makarov <vmakarov@redhat.com> + + * genautomata.c (add_excls, add_presence_absence): Check that + cpu units in the sets belong the same automaton. + + * rtl.def (EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET): Add comment + about that cpu units in the sets belong the same automaton. + + * doc/md.texi: Ditto. + + 2001-12-20 Naveen Sharma <naveens@noida.hcltech.com> + Nitin Gupta <niting@noida.hcltech.com> + + * config/sh/sh.c (sh_use_dfa_interface): New function. + + (sh_issue_rate): New Function. + TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE: define. + TARGET_SCHED_ISSUE_RATE: define. + + * config/sh/sh.md: Add DFA based pipeline description for SH4. + + (define_attr insn_class): New attribute used for DFA + scheduling. + (define_insn cmpgtsi_t): Set attribute insn_class mt_group. + (cmpgesi_t,cmpgtusi_t,cmpgeusi_t,cmpeqsi_t, + cmpeqdi_t): Likewise. + + (add,addc1,addsi3,subc,subc1,*subsi3_internal, + negc,negsi2,ashldi3_k,lshrdi3_k,ashrdi3_k): Set insn_class + ex_group. + (iorsi3,rotlsi3_1,rotlsi3_31,rotlsi3_16): Likewise. + + 2001-10-03 Vladimir Makarov <vmakarov@toke.toronto.redhat.com> + + * haifa-sched.c (queue_to_ready): Remove unnecessary condition for + break. + + 2001-10-03 Vladimir Makarov <vmakarov@toke.toronto.redhat.com> + + * genautomata.c (DFA_INSN_CODES_LENGTH_VARIABLE_NAME): New macro. + (output_dfa_insn_code_func): Expand dfa_insn_codes if it is + necessary. + (output_dfa_start_func): Initiate new variable insn_codes_length, + (write_automata): Output definition of the new variable. + + 2001-10-02 David S. Miller <davem@redhat.com> + + * haifa-sched.c (advance_one_cycle): New function. + (schedule_block): Use it. + (queue_to_ready): Use it, and also make sure to advance the DFA + state on all stall cycles, not just those where insn_queue links + are found. + + 2001-10-02 Richard Sandiford <rsandifo@redhat.com> + + * haifa-sched.c (max_issue): Remove last_p argument. Only return + nonzero if the highest-priority instruction could be scheduled. + (choose_ready): Remove last argument from max_issue call. + + 2001-09-28 David S. Miller <davem@redhat.com> + + * config/sparc/sparc.c (sparc_use_sched_lookahead): Use 4 for + ultrasparc and 3 for other multi-issue sparcs. + + 2001-09-27 David S. Miller <davem@redhat.com> + + * config/sparc/sparc.md (cycle_display): New pattern. + * config/sparc/sparc.c (sparc_cycle_display): New. + (TARGET_SCHED_CYCLE_DISPLAY): Set it. + + 2001-09-25 David S. Miller <davem@redhat.com> + + Convert all of SPARC scheduling to DFA + * config/sparc/sparc.md: Kill all define_function_unit + directives and replace with DFA equivalent. + * config/sparc/sparc.c (ultrasparc_adjust_cost, + mark_ultrasparc_pipeline_state, ultra_cmove_results_ready_p, + ultra_fpmode_conflict_exists, ultra_find_type, + ultra_build_types_avail, ultra_flush_pipeline, + ultra_rescan_pipeline_state, ultrasparc_sched_reorder, + ultrasparc_variable_issue, ultrasparc_sched_init, + sparc_variable_issue, sparc_sched_reorder, ultra_code_from_mask, + ultra_schedule_insn, ultra_code_names, ultra_pipe_hist, + ultra_cur_hist, ultra_cycles_elapsed): Kill. + (sparc_use_dfa_pipeline_interface, sparc_use_sched_lookahead, + ultrasparc_store_bypass_p): New. + * config/sparc/sparc-protos.h (ultrasparc_store_bypass_p): + Declare. + + 2001-09-24 David S. Miller <davem@redhat.com> + + * haifa-sched.c (ready_remove): Fix thinko, we want to copy around + ready->vec[foo] not ready[foo]. + + 2001-09-07 Vladimir Makarov <vmakarov@redhat.com> + + * doc/md.texi: Correct examples for define_insn_reservations + `mult' and `div'. + + 2001-09-07 Vladimir Makarov <vmakarov@redhat.com> + + * genautomata.c (create_automata): Print message about creation of + each automaton. + (generate): Remove printing meease about creation of + automata. + + 2001-09-05 David S. Miller <davem@redhat.com> + + * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC. + * config/sparc/linux64.h: Likewise. + + 2001-08-31 Vladimir Makarov <vmakarov@redhat.com> + + * haifa-sched.c (insn_cost, schedule_insn, queue_to_ready, + schedule_block, sched_init, sched_finish): Add missed calls of + use_dfa_pipeline_interface. + + * sched-rgn.c (init_ready_list, new_ready, debug_dependencies): + Ditto. + + * sched-vis.c (get_visual_tbl_length): Ditto. + + 2001-08-27 Richard Henderson <rth@redhat.com> + + * genattr.c (main): Emit state_t even when not doing scheduling. + + 2001-08-27 Richard Henderson <rth@redhat.com> + + * genautomata.c (expand_automata): Always create a description. + + 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com> + + * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET, + PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON, + AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New + RTL constructions. + + * genattr.c (main): New variable num_insn_reservations. Increase + it if there is DEFINE_INSN_RESERVATION. Output automaton based + pipeline hazard recognizer interface. + + * genattrtab.h: New file. + + * genattrtab.c: Include genattrtab.h. + (attr_printf, check_attr_test, make_internal_attr, + make_numeric_value): Move protypes into genattrtab.h. Define them + as external. + (num_dfa_decls): New global variable. + (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, + DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET, + DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION, + DEFINE_INSN_RESERVATION. Call expand_automata and write_automata. + + * genautomata.c: New file. + + * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them. + + * sched-int.h: (curr_state): Add the external definition for + automaton pipeline interface. + (haifa_insn_data): Add comments for members blockage and units. + + * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE, + TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN, + TARGET_SCHED_DFA_PRE_CYCLE_INSN, + TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN, + TARGET_SCHED_DFA_POST_CYCLE_INSN, + TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD, + TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New + macros. + (TARGET_SCHED): Use the new macros. + + * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn, + dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn, + first_cycle_multipass_dfa_lookahead, init_dfa_bubbles, + dfa_bubble): New members in gcc_target.sched. + + * haifa-sched.c (insert_schedule_bubbles_p): New variable. + (MAX_INSN_QUEUE_INDEX): New macro for automaton interface. + (insn_queue): Redefine it as pointer to array. + (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of + INSN_QUEUE_SIZE. + (max_insn_queue_index_macro_value): New variable. + (curr_state, dfa_state_size, ready_try): New varaibles for + automaton interface. + (ready_element, ready_remove, max_issue): New function prototypes + for automaton interface. + (choose_ready): New function prototype. + (insn_unit, blockage_range): Add comments. + (unit_last_insn, unit_tick, unit_n_insns): Define them for case + FUNCTION_UNITS_SIZE == 0. + (insn_issue_delay, actual_hazard_this_instance, schedule_unit, + actual_hazard, potential_hazard): Add comments. + (insn_cost): Use cost -1 as undefined value. Remove + LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton + pipeline interface. + (ready_element, ready_remove): New functions for automaton + interface. + (schedule_insn): Add new code for automaton pipeline interface. + (queue_to_ready): Add new code for automaton pipeline interface. + Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE. + (debug_ready_list): Print newline when the queue is empty. + (max_issue): New function for automaton pipeline interface. + (choose_ready): New function. + (schedule_block): Add new code for automaton pipeline interface. + Print ready list before scheduling each insn. + (sched_init): Add new code for automaton pipeline interface. + Initiate insn cost by -1. + (sched_finish): Free the current automaton state and finalize + automaton pipeline interface. + + * sched-rgn.c: Include target.h. + (init_ready_list, new_ready, debug_dependencies): Add new code for + automaton pipeline interface. + + * sched-vis.c: Include target.h. + (get_visual_tbl_length): Add code for automaton interface. + (target_units, print_block_visualization): Add comments. + + * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB, + USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables. + (sched-rgn.o, sched-vis.o): Add new dependency file target.h. + (getruntime.o, genautomata.o): New entries. + (genattrtab.o): Add new dependency file genattrtab.h. + (genattrtab): Add new dependencies. Link it with `libm.a'. + (getruntime.o, hashtab.o): New entries for canadian cross. + + * doc/md.texi: Description of automaton based model. + + * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST): + Add comments. + (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE, + TARGET_SCHED_DFA_PRE_CYCLE_INSN, + TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN, + TARGET_SCHED_DFA_POST_CYCLE_INSN, + TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN, + TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD, + TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new + hook descriptions. + (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE, + MAX_DFA_ISSUE_RATE): New macro descriptions. + + * doc/contrib.texi: Add dfa based scheduler contribution. + + * doc/gcc.texi: Add more information about genattrtab. + +Mon Apr 29 17:19:10 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * reload1.c (eliminate_regs, case SUBREG): Fix typo in + adjust_address_nv call. + +2002-04-29 Janis Johnson <janis187@us.ibm.com> + + * doc/install.texi (Testing): Provide additional information, and + a stronger encouragement, for running the testsuites. + +2002-04-29 DJ Delorie <dj@redhat.com> + + * config/mips/mips.c (mips_parse_cpu): Warn if the CPU name is + given in upper case. + +2002-04-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * fixinc/inclhack.def (solaris_widec): Include <wchar.h> in + Solaris 2 <widec.h> if missing. + * fixinc/fixincl.x: Regenerate. + * fixinc/tests/base/widec.h: New file. + +2002-04-29 Nick Clifton <nickc@cambridge.redhat.com> + + * toplev.c (f_options): Add "profile" switch so that + -fno-profile can be used to disable -p. + +2002-04-29 Bernd Schmidt <bernds@redhat.com> + + * c-common.c (type_for_mode): Add support for V2DFmode, V2DImode, + UV2DImode. + * tree.c (build_common_tree_nodes_2): Likewise. + * tree.h (enum tree_index): Likewise. + (V2DF_type_node, V2DI_type_node, unsigned_V2DI_type_node): Define. + + * config/i386/i386.c (bdesc_comi, bdesc_2arg, bdesc_1arg): Add SSE2 + entries. + (init_mmx_sse_builtins): Initialize SSE2 builtins. + (ix86_expand_builtin): Add support for SSE2 builtins. + * config/i386/i386.h (VALID_SSE2_REG_MODE): New macro. + (VALID_SSE_REG_MODE): Use it. + (VECTOR_MODE_SUPPORTED_P): Allow SSE2 modes here as well. + (enum ix86_builtins): Add SSE2 builtins. + * config/i386/i386.md (movv2df_internal, movv2df, movv8hi_internal, + movv8hi, movv16qi_internal, movv16qi, pushv2df, pushv8hi, pushv16qi, + addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3, vmmulv2df3, + divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3, vmsminv2df3, + sse2_anddf3, sse2_nanddf3, sse2_iordf3, sse2_xordf3, sqrtv2df2, + vmsqrtv2df2, maskcmpv2df3, maskncmpv2df3, vmmaskcmpv2df3, + vmmaskncmpv2df3, sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, + sse2_maskmovdqu, sse2_movntv2df, sse2_movntti, sse2_movntsi, cvtdq2ps, + cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq, cvtpd2pi, + cvttpd2pi, cvtpi2pd, cvtsd2si, cvttsd2si, cvtsi2sd, cvtsd2ss, + cvtss2sd, cvtpd2ps, cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, + ssaddv16qi3, ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, + subv4si3, subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, + mulv8hi3, smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3, + sse2_umulv2siv2di3, sse2_pmaddwd, sse2_clrti, sse2_uavgv16qi3, + sse2_uavgv8hi3, sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, + sse2_pshuflw, sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, + gtv8hi3, gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, + ashrv8hi3, ashrv4si3, lshrv8hi3, lshrv4si3, sse2_lshrv2di3, + ashlv8hi3, ashlv4si3, sse2_ashlv2di3, sse2_ashlti3, sse2_lshrti3, + sse2_unpckhpd, sse2_unpcklpd, sse2_packsswb, sse2_packssdw, + sse2_packuswb, sse2_punpckhbw, sse2_punpckhwd, sse2_punpckhdq, + sse2_punpcklbw, sse2_punpcklwd, sse2_punpckldq, sse2_movapd, + sse2_movupd, sse2_movdqa, sse2_movdqu, sse2_movdq2q, sse2_movq2dq, + sse2_movhpd, sse2_movlpd, sse2_loadsd, sse2_movsd, sse2_storesd, + sse2_shufpd, sse2_clflush, sse2_mfence, mfence_insn, sse2_lfence, + lfence_insn): New patterns. + (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Renamed from + sse_andti3_sse2, sse_nandti3_sse2, sse_iorti3_sse2, sse_xorti3_sse2. + +Mon Apr 29 17:03:24 CEST 2002 Jan Hubicka <jh@suse.cz> + + * i386.md (sse_mov?fcc*): Revert patch of Mar 14th. + +2002-04-29 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/contrib.texi (Contributors): Add Paolo Carlini and + Janis Johnson. + Update Richard Henderson, Jakub Jelinek, and Mark Mitchell. + Refer to Objective-C instead of ObjC, SPARC instead of sparc, + and CPU instead of cpu. + +Mon Apr 29 13:36:41 CEST 2002 Jan Hubicka <jh@suse.cz> + + * toplev.c (flag_if_conversion, flag_if_conversion2): New static + variables. + (lang_independent_options): Add -fif-conversion, -fif-conversion2 + (rest_of_compilation): Do if conversion only when asked for. + (parse_options_and_default_flags): Set new variables to 1 for -O1 + * invoke.texi (-fif-conversion, -fif-conversion2): Document. + +Mon Apr 29 13:02:50 CEST 2002 Jan Hubicka <jh@suse.cz> + + * i386.c (dbx64_register_map): Fix typo. + +Mon Apr 29 12:18:35 CEST 2002 Jan Hubicka <jh@suse.cz> + + * predict.c (real_zero, real_one, real_almost_one, real_br_prob_base, + real_one_half, real_bb_freq_max): New static variables. + (debug_profile_bbauxs): Kill. + (process_note_predictions): Kill unused variable. + (block_info_def, edge_info_def): Use REAL_VALUE_TYPE instead of + volatile double. + (propagate_freq): Use REAL_ARITHMETICS. + (estimate_bb_frequencies): Likevise; init new static variables. + * Makefile.in (predict.o): Add dependency on real.h + +2002-04-28 David S. Miller <davem@redhat.com> + + PR target/6500 + * config/sparc/sparc.md (prefetch): Emit properly for 32-bit vs. + 64-bit TARGET_V9. Do not use prefetch page, use prefetch for + several {reads,writes} instead. + * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): + Define. + +2002-04-27 David S. Miller <davem@redhat.com> + + PR target/6494 + * config/sparc/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Be mindful + of the stack bias. + + * config/sparc/linux.h, config/sparc/linux64.h: Don't bother + including signal.h and sys/ucontext.h, not needed. + +2002-04-29 Hans-Peter Nilsson <hp@bitrange.com> + + * varasm.c (output_constant_def): Correct test for not calling + ENCODE_SECTION_INFO for INTEGER_CST. + +2002-04-29 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppexp.c (lex): Move some code to _cpp_parse_expr, but + keep most cases as function eval_token. + (eval_token): New function. + (_cpp_parse_expr): Read token here for improved diagnostics. + Don't use op_as_text. Detect bad ':' here. + (reduce): Don't detect bad ':' here. + (op_as_text): Remove. + * cpphash.h (_cpp_test_assertion): Change prototype. + * cpplib.c (_cpp_test_assertion): Change prototype. + +2002-04-28 Richard Henderson <rth@redhat.com> + + PR c/5154 + * ggc-common.c (ggc_mark_rtx_children_1): Rename from... + (ggc_mark_rtx_children): New. + +2002-04-28 Jakub Jelinek <jakub@redhat.com> + + PR target/6496 + * config/sparc/sparc.md (call + jump 32-bit peepholes): Disable jump + after call peepholes for UltraSPARC. + (call + jump 64-bit peepholes): Remove. + +2002-04-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + PR c/6497 + * config/rs6000/rs6000.md (sCC patterns): Remove clobber and use + result as temporary value. + +2002-04-28 Jakub Jelinek <jakub@redhat.com> + + PR c++/6396 + * toplev.c (rest_of_compilation): Only run regrename and copy + propagation if optimizing. + +2002-04-28 Jakub Jelinek <jakub@redhat.com> + + PR optimization/6475 + * reload1.c (alter_reg): Only call set_mem_expr if I is home pseudo + register of REGNO_DECL (i). + * Makefile.in (reload1.o): Add $(TREE_H). + +2002-04-28 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppexp.c (lex): Update to use state.skip_eval. + (struct op): Remove prio and flags members. + (FLAG_BITS, FLAG_MASK, PRIO_SHIFT, EXTRACT_PRIO, EXTRACT_FLAGS, + SHORT_CIRCUIT, RIGHT_ASSOC, ..._PRIO, op_to_prio): Remove. + (LEFT_ASSOC): New macro. + (optab): New table of operator priorities and flags. + (SHIFT): Update. + (_cpp_parse_expr): Clean up logic. Return bool. Use a + malloc-ed parser stack. + (reduce): New; reduce the operator stack. + (_cpp_expand_op_stack): Expand the operator stack as necessary. + * cpphash.h (struct op): Predeclare. + (struct cpp_reader): New members op_stack, op_limit. + (struct lexer_state): New member skip_eval. + (_cpp_parse_expr): Update. + (_cpp_expand_op_stack): New. + * cpplib.c (do_if): Update. + * cppinit.c (cpp_create_reader): Create op stack. + (cpp_destroy): And destroy it. + * cpplib.h (CPP_LAST_CPP_OP): Correct. + (TTYPE_TABLE): Correct. + +2002-04-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + PR c/6343 + * c-decl.c (duplicate_decls): Call merge_weak. + * c-pragma.c (apply_pragma_weak): Warn about misuse. + * output.h (merge_weak): Prototype merge_weak. + * varasm.c (merge_weak): New function. + (declare_weak): Make sure we don't give an error on VAR_DECLs. + Mark RTL with SYMBOL_REF_WEAK. + +2002-04-27 Kurt Garloff <garloff@suse.de> + + * tree-inline.c (inlinable_function_p): Improve heuristics + by using a smoother function to cut down allowable inlinable size. + * param.def: Add parameters max-inline-insns-single, + max-inline-slope, min-inline-insns that determine the exact + shape of the above function. + * param.h: Likewise. + +2002-04-26 Richard Henderson <rth@redhat.com> + + * c-parse.in (malloced_yyss, malloced_yyvs): New. + (yyoverflow): Re-add. Set them. + (free_parser_stacks): New. + * c-common.h: Declare it. + * c-lex.c (c_common_parse_file): Call it. + +2002-04-26 Richard Henderson <rth@redhat.com> + + * cfgrtl.c (tidy_fallthru_edge): Don't use next_real_insn + for fallthru search. + +2002-04-26 Eric Christopher <echristo@redhat.com> + + PR optimization/3700 + * config/mips/mips.c (mips_issue_rate): Define. New function. + (TARGET_SCHED_ISSUE_RATE): Use. + +2002-04-25 David S. Miller <davem@redhat.com> + + PR target/6422 + * reorg.c (optimize_skip): Do not allow exception causing + instructions to be considered for delay slots. + (fill_simply_delay_slots, fill_slots_from_thread): Likewise. + (relax_delay_slots): Do not try to consider exception causing + instructions as redundant. + +2002-04-26 Richard Henderson <rth@redhat.com> + + PR c/5225 + * c-typeck.c (build_unary_op) [CONVERT_EXPR]: Invoke non_lvalue. + +2002-04-26 Mark Mitchell <mark@codesourcery.com> + + PR bootstrap/6445 + * config/i386/i386.md (untyped_call): Return the value in a float + register if TARGET_FLOAT_RETURNS_IN_80387, not just if + TARGET_80387. + +2002-04-26 Alexandre Oliva <aoliva@redhat.com> + + * tree.c (tree_int_cst_lt): Compare constants whose types differ + in unsigned-ness correctly. + +2002-04-26 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.h (FUNCTION_OK_FOR_SIBCALL): Don't do sibcalls when using the + portable runtime model. + +2002-04-26 Richard Henderson <rth@redhat.com> + + * c-parse.in (yyoverflow): Revert. + +2002-04-26 David Edelsohn <edelsohn@gnu.org> + Richard Henderson <rth@redhat.com> + + * config/rs6000/rs6000.md (sCC pattern): Remove clobber and use + result as temporary value. + +2002-04-26 Richard Henderson <rth@redhat.com> + + PR c/3581 + * c-common.c (fix_string_type): Split out of ... + (combine_strings): ... here. Take a varray, not a tree list. + (c_expand_builtin_printf): Use fix_string_type. + * c-common.h: Update decls. + * c-parse.in (string): Remove. Update all uses to use STRING + instead, and not call combine_strings. + (yylexstring): New. + (_yylex): Use it. + * c-typeck.c (simple_asm_stmt): Don't call combine_strings. + (build_asm_stmt): Likewise. + * objc/objc-act.c (my_build_string): Use fix_string_type. + (build_objc_string_object): Build varray for combine_strings. + +2002-04-26 Bo Thorsen <bo@suse.co.uk> + + * config/i386/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Define for + x86-64. + +2002-04-26 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppexp.c (CPP_UMINUS, CPP_UPLUS): New. + (HAVE_NO_R_OPERAND): Remove. + (HAVE_VALUE): Remove. + (op_to_prio): Update. + (UNARY): Don't alter flags. + (_cpp_parse_expr): want_value used to indicate whether + a number or unary operator is expected next. Distinguish + unary and binary +/-. + (op_as_text): Update for unary operators. + +2002-04-25 Richard Henderson <rth@redhat.com> + + PR c/2161 + * c-parse.in (yyoverflow): New. + +2002-04-25 Richard Henderson <rth@redhat.com> + + PR c/2098 + * c-common.c (shorten_compare): Simplfy conditions leading to + the generation of a warning. + +2002-04-25 Richard Henderson <rth@redhat.com> + + PR c/2035 + * expmed.c (extract_bit_field): Fall through to generic code rather + than aborting on subreg special case. + +2002-04-25 David S. Miller <davem@redhat.com> + + * config/sparc/sparc.h (FUNCTION_OK_FOR_SIBCALL): Add back check + for DECL being NULL. + +2002-04-25 Steve Christiansen <smc@us.ibm.com> + + * doc/md.texi (Machine Constraints): Add IA-64 constraints. + +2002-04-25 Eric Botcazou <ebotcazou@multimania.com> + + * c-decl.c (grokdeclarator): Remove outdated ??? note + on invalid declaration of flexible array members. + +2002-04-25 Richard Henderson <rth@redhat.com> + + * doc/invoke.texi: Document -gdwarf{,-2} vs debug level. + +2002-04-25 Ulrich Weigand <uweigand@de.ibm.com> + + * config/s390/s390.c (s390_emit_epilogue): Always restore registers + needed by the compiler, even if they are used as global regs. + +2002-04-25 Matt Hiller <hiller@redhat.com> + + * mips.c (mips_class_max_nregs, mips_register_move_cost): New + functions. + * mips.h (CLASS_MAX_NREGS, REGISTER_MOVE_COST): Redefine as calls + of the corresponding functions. + * mips-protos.h (mips_class_max_nregs, mips_register_move_cost): + New prototypes. + +2002-04-25 Matt Hiller <hiller@redhat.com> + + * config/mips/mips.h (mips_sw_reg_names): Declare as extern. + + (ALL_COP_ADDITIONAL_REGISTER_NAMES): New macro. + (FIRST_PSEUDO_REGISTER): Redefine considering coprocessor + registers, adjust comment accordingly. + (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS, + reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGISTER_NAMES, + DEBUG_REGISTER_NAMES, REG_ALLOC_ORDER): Adjust to include entries + for coprocessor registers. + (ADDITIONAL_REGISTER_NAMES): Include + ALL_COP_ADDITIONAL_REGISTER_NAMES. + + (COP0_REG_FIRST, COP0_REG_LAST, COP0_REG_NUM, + COP2_REG_FIRST, COP2_REG_LAST, COP2_REG_NUM, + COP3_REG_FIRST, COP3_REG_LAST, COP3_REG_NUM, + COP0_REG_P, COP2_REG_P, COP3_REG_P, ALL_COP_REG_P, + COPNUM_AS_CHAR_FROM_REGNUM, COP_REG_CLASS_P): New macros. + + (mips_char_to_class): Adjust comment to include coprocessor + constraint letters. + + * config/mips/mips.c (coprocessor_operand, coprocessor2_operand): + New functions. + (mips_reg_names, mips_regno_to_class): Include coprocessor + information. + (mips_sw_reg_names): Ditto, make non-static. + (mips_move_1word): Handle moves to and from coprocessor registers. + (mips_move_2words): Handle moves to and from coprocessor + registers. + (mips_class_max_nregs, mips_register_move_cost): Handle + coprocessor register classes. + (override_options): Initialize mips_char_to_class and + mips_hard_regno_mode_ok properly for coprocessor registers. + + * config/mips/mips.md (movdi_internal, movdi_internal2, + movsi_internal1, movsi_internal2): Add constraint-sets for + coprocessor registers. + * testsuite/gcc.c-torture/mipscop-1.c: New testcase. + * testsuite/gcc.c-torture/mipscop-1.x: Disable above if target + isn't mips. + * testsuite/gcc.c-torture/mipscop-2.c: New testcase. + * testsuite/gcc.c-torture/mipscop-2.x: Disable above if target + isn't mips. + * testsuite/gcc.c-torture/mipscop-3.c: New testcase. + * testsuite/gcc.c-torture/mipscop-3.x: Disable above if target + isn't mips. + * testsuite/gcc.c-torture/mipscop-4.c: New testcase. + * testsuite/gcc.c-torture/mipscop-4.x: Disable above if target + isn't mips. + + * doc/tm.texi: Document feature. + +2002-04-25 Neil Booth <neil@daikokuya.demon.co.uk> + + * integrate.c (function_attribute_inlinable_p): Simplify. + Check the table pointer is not NULL. + +2002-04-25 Steven Bosscher <S.Bosscher@student.tudelft.nl> + + * doc/c-tree.texi: Fix typo in introduction. + +2002-04-25 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-common.h (c_common_parse_file): Update. + * c-lang.c (LANG_HOOKS_SET_YYDEBUG): Remove. + * c-lex.c (YYDEBUG): Get from c-lex.h. + (c_common_parse_file): Update. + * c-lex.h (YYDEBUG, yydebug): New. + * c-parse.in (YYDEBUG): Get from c-lex.h. + (c_set_yydebug): Remove. + * c-tree.h (c_set_yydebug): Remove. + * langhooks-def.h (lhd_do_nothing_i): New. + (lhd_set_yydebug, LANG_HOOKS_SET_YYDEBUG): Remove. + (LANG_HOOKS_PARSE_FILE, LANG_HOOKS_INITIALIZER): Update. + * langhooks.c (lhd_do_nothing_i): New. + (lhd_set_yydebug): Remove. + * langhooks.h (struct lang_hooks): Update. + * toplev.c (set_yydebug): New. + (compile_file): Update call to parse_file hook. + (decode_d_option): Update. +objc: + * objc-lang.c (LANG_HOOKS_SET_YYDEBUG): Remove. + +Wed Apr 24 23:45:37 2002 J"orn Rennecke <joern.rennecke@superh.com> + + * loop.c (load_mems): Don't change the interface of called functions. + + * calls.c (expand_call): Take current_function_pretend_args_size + into account when setting argblock for sibcalls. + +2002-04-24 Matt Hiller <hiller@redhat.com> + + * cpplex.c: Remove conditional #undef of MULTIBYTE_CHARS. + * c-lex.c: Ditto. + + * cpplex.c (skip_line_comment): Process comment one multibyte + character at a time rather than one char at a time, if + appropriate. + (parse_string): Process string one multibyte character at a time + rather than one char at a time, if appropriate. + * c-lex.c (lex_string): Lex and copy multibyte strings + appropriately. + * cpplib.h (cppchar_t): Change to unsigned. + +2002-04-24 Richard Henderson <rth@redhat.com> + + PR c/3467 + * c-decl.c (grokdeclarator): Don't pedwarn variable sized arrays + for c99. + +Wed Apr 24 21:51:54 2002 J"orn Rennecke <joern.rennecke@superh.com> + + * sh.c (sh_va_arg): If argument was passed by reference, + dereference the pointer. + + * sh.h (PIC_OFFSET_TABLE_REGNUM): Conditionalize on flag_pic. + + * sh.md (divsi3_i4_media): Use match_operand for input values + rather than hard registers. + (divsi3 - TARGET_SHMEDIA_FPU case): Don't ferry values + unnecessarily through hard registers. Keep copies of pseudo + registers outside of the libcall sequence. + + * sh.md (casesi_shift_media): Add modes. + + * sh.h (RETURN_IN_MEMORY): Return variable size BLKmode + values in memory. + +2002-04-24 Neil Booth <neil@daikokuya.demon.co.uk> + + * attribs.c (c_common_attribute_table): Move table and handlers + to c-common.c. + (format_attribute_table, lang_attribute_table, + lang_attribute_common): Remove. + (init_attributes): Replace NULL pointers with pointers to the + empty table. + (handle_packed_attribute, handle_nocommon_attribute, + handle_common_attribute, handle_noreturn_attribute, + handle_noinline_attribute, handle_always_inline_attribute, + handle_used_attribute, handle_unused_attribute, + handle_const_attribute, handle_transparent_union_attribute, + handle_constructor_attribute, handle_destructor_attribute, + handle_mode_attribute, handle_section_attribute, + handle_aligned_attribute, handle_weak_attribute, + handle_alias_attribute, handle_visibility_attribute, + handle_no_instrument_function_attribute, handle_malloc_attribute, + handle_no_limit_stack_attribute, handle_pure_attribute, + handle_deprecated_attribute, handle_vector_size_attribute, + vector_size_helper): Move to c-common.c. + * c-common.c (c_common_attribute_table, + handle_packed_attribute, handle_nocommon_attribute, + handle_common_attribute, handle_noreturn_attribute, + handle_noinline_attribute, handle_always_inline_attribute, + handle_used_attribute, handle_unused_attribute, + handle_const_attribute, handle_transparent_union_attribute, + handle_constructor_attribute, handle_destructor_attribute, + handle_mode_attribute, handle_section_attribute, + handle_aligned_attribute, handle_weak_attribute, + handle_alias_attribute, handle_visibility_attribute, + handle_no_instrument_function_attribute, handle_malloc_attribute, + handle_no_limit_stack_attribute, handle_pure_attribute, + handle_deprecated_attribute, handle_vector_size_attribute, + vector_size_helper): Move from attribs.c. + * c-common.h (c_common_attribute_table, + c_common_format_attribute_table): New. + * c-lang.c (LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, + LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE): Redefine. + * langhooks-def.h (LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE, + LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_ATTRIBUTE_TABLE): New. + (LANG_HOOKS_INITIALIZER): Update. + * langhooks.h (struct lang_hooks): 3 new attribute hooks. + * target-def.h (TARGET_ATTRIBUTE_TABLE): Default to NULL. + * target.h: Update comment. + * tree.c (default_target_attribute_table): Remove. + * tree.h (default_target_attribute_table, format_attribute_table, + lang_attribute_table, lang_attribute_common): Remove. +objc: + * objc-lang.c (LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, + LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE): Redefine. + +2002-04-24 Jason Merrill <jason@redhat.com> + + * dwarf2.h (enum dwarf_attribute): Add DW_AT_GNU_vector. + * dwarf2out.c (dwarf_attr_name): Support it. + (gen_array_type_die): Emit it. + (lookup_type_die): No special handling for VECTOR_TYPE. + (gen_type_die): Hand VECTOR_TYPE off to gen_array_type_die. + +2002-04-24 Richard Henderson <rth@redhat.com> + + * config/mips/mips.md (movdi_usd): Renumber. + +2002-04-24 David S. Miller <davem@redhat.com> + + PR target/6420 + * config/sparc/sparc.h (FUNCTION_OK_FOR_SIBCALL): Return false if + 32-bit SPARC and current_function_returns_struct is true. + +Wed Apr 24 13:48:25 CEST 2002 Jan Hubicka <jh@suse.cz> + + * loop.c (canonicalize_condition): Use gen_int_mode. + +2002-04-24 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/altivec.h: Cleanup file. Add non individual + variants. + (vec_vaddubm): New. + (vec_vadduhm): New. + (vec_vadduwm): New. + (vec_vaddfp): New. + (vec_vaddcuw): New. + (vec_vaddubs): New. + (vec_vaddsbs): New. + (vec_vadduhs): New. + (vec_vadduws): New. + (vec_vaddsws): New. + (vec_vand): New. + (vec_vandc): New. + (vec_vavgub): New. + (vec_vavgsb): New. + (vec_vavguh): New. + (vec_vavgsh): New. + (vec_vavguw): New. + (vec_vavgsw): New. + (vec_vrfip): New. + (vec_vcmpbfp): New. + (vec_vcmpequb): New. + (vec_vcmpequh): New. + (vec_vcmpequw): New. + (vec_vcmpeqfp): New. + (vec_vcmpgefp): New. + (vec_vcmpgtub): New. + (vec_vcmpgtsb): New. + (vec_vcmpgtuh): New. + (vec_vcmpgtsh): New. + (vec_vcmpgtuw): New. + (vec_vcmpgtsw): New. + (vec_vcmpgtfp): New. + (vec_vcmpgefp): New. + (vec_vcfux): New. + (vec_vcfsx): New. + (vec_vctsxs): New. + (vec_vctuxs): New. + (vec_vexptefp): New. + (vec_vrfim): New. + (vec_lvx): New. + (vec_lvebx): New. + (vec_lvehx): New. + (vec_lde): Add vector float variant. + (vec_lvewx): New. + (vec_lvxl): New. + (vec_vlogefp): New. + (vec_vmaddfp): New. + (vec_vmhaddshs): New. + (vec_vmaxub): New. + (vec_vmaxsb): New. + (vec_vmaxuh): New. + (vec_vmaxsh): New. + (vec_vmaxuw): New. + (vec_vmaxsw): New. + (vec_vmaxsw): New. + (vec_vmaxfp): New. + (vec_vmrghb): New. + (vec_vmrghh): New. + (vec_vmrghw): New. + (vec_vmrglb): New. + (vec_vmrglh): New. + (vec_vmrglw): New. + (vec_vminub): New. + (vec_vminsb): New. + (vec_vminuh): New. + (vec_vminsh): New. + (vec_vminuw): New. + (vec_vminsw): New. + (vec_vminfp): New. + (vec_vmladduhm): New. + (vec_vmhraddshs): New. + (vec_msumubm): New. + (vec_vmsummbm): New. + (vec_vmsumuhm): New. + (vec_vmsumshm): New. + (vec_vmsumuhs): New. + (vec_vmsumshs): New. + (vec_vmuleub): New. + (vec_vmulesb): New. + (vec_vmuleuh): New. + (vec_vmulesh): New. + (vec_vmuloub): New. + (vec_mulosb): New. + (vec_vmulouh): New. + (vec_vmulosh): New. + (vec_vnmsubfp): New. + (vec_vnor): New. + (vec_vor): New. + (vec_vpkuhum): New. + (vec_vpkuwum): New. + (vec_vpkpx): New. + (vec_vpkuhus): New. + (vec_vpkshss): New. + (vec_vpkuwus): New. + (vec_vpkswss): New. + (vec_vpkshus): New. + (vec_vpkswus): New. + (vec_vperm): New. + (vec_vrefp): New. + (vec_vrlb): New. + (vec_vrlh): New. + (vec_vrlw): New. + (vec_vrfin): New. + (vec_vrsqrtefp): New. + (vec_vsel): New. + (vec_vslb): New. + (vec_vslh): New. + (vec_vslw): New. + (vec_vsldoi): New. + (vec_vsl): New. + (vec_vslo): New. + (vec_vspltb): New. + (vec_vsplth): New. + (vec_vspltw): New. + (vec_vspltisb): New. + (vec_vspltish): New. + (vec_vspltisw): New. + (vec_vsrb): New. + (vec_vsrh): New. + (vec_vsrw): New. + (vec_vsrab): New. + (vec_vsrah): New. + (vec_vsraw): New. + (vec_vsr): New. + (vec_vsro): New. + (vec_stvx): New. + (vec_stvebx): New. + (vec_stvehx): New. + (vec_stvewx): New. + (vec_stvxl): New. + (vec_vsububm): New. + (vec_vsubuhm): New. + (vec_vsubuwm): New. + (vec_vsubfp): New. + (vec_vsubcuw): New. + (vec_vsububs): New. + (vec_vsubsbs): New. + (vec_vsubuhs): New. + (vec_vsubshs): New. + (vec_vsubuws): New. + (vec_vsubsws): New. + (vec_vsum4ubs): New. + (vec_vsum4sbs): New. + (vec_vsum4shs): New. + (vec_vsum2sws): New. + (vec_vsumsws): New. + (vec_vrfiz): New. + (vec_vupkhsb): New. + (vec_vupkhpx): New. + (vec_vupkhsh): New. + (vec_vupklsb): New. + (vec_vupklpx): New. + (vec_vupklsh): New. + (vec_vxor): New. + +2002-04-23 Eric Botcazou <ebotcazou@multimania.com> + + PR c/5430 + * fold-const.c (split_tree): Add MINUS_LITP parameter; separate + added literals from substracted literals. + (associate_trees): Don't convert MINUS_EXPR into PLUS_EXPR. + (fold) [associate]: Preserve MINUS_EXPR if needed. + +2002-04-23 Zack Weinberg <zack@codesourcery.com> + + * doc/install.texi: Clarify which versions of alpha*-dec-osf* + are obsoleted. + +2002-04-23 Tom Tromey <tromey@redhat.com> + + * gcc.c: Added --resource. For PR java/6314. + +2002-04-23 David O'Brien <obrien@FreeBSD.org> + + * cp/g++spec.c: Use profiled libstdc++ and libm with -p/-pg. + * config/freebsd.h (MATH_LIBRARY_PROFILE): Use the _p verions of + these libraries. + +2002-04-23 David O'Brien <obrien@FreeBSD.org> + + * config/freebsd.h(OBJECT_FORMAT_ELF): Define. + +Tue Apr 23 14:24:25 CEST 2002 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_output_addr_diff_elt): Avoid x86_64 binutils bug + workaround. + (ix86_expand_int_movcc): Avoid x86_64 compilation chrash. + (ix86_expand_clrstr): Fix typo. + * loop.c (gen_load_of_final_value): New. + (loop_givs_rescan, strength_reduce, check_dbra_loop): + Use it. + +2002-04-23 Roger Sayle <roger@eyesopen.com> + + * builtins.c (builtin_memset_gen_str): New function. + (expand_builtin_memset): Optimize the case of constant length, but + unknown value. + +2002-04-23 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/altivec.h (vec_step): Remove extraneous + parentheses. + (vec_ctu): Cast return. + +2002-04-23 Alan Modra <amodra@bigpond.net.au> + + PR target/6413 + * function.h: (struct function): Add profile_label_no field. + (current_function_profile_label_no): Define. + * function.c: (profile_label_no): New static var. + (expand_function_start): Increment it, and copy to + current_function_profile_label_no. + * output.h (profile_label_no): Delete. + * final.c (profile_label_no): Delete. + (profile_function): Use current_function_profile_label_no. + (final_end_function): Don't increment profile_label_no here. + * config/i386/i386.c (ix86_osf_output_function_prologue): Replace + profile_label_no with current_function_profile_label_no. + * config/pa/pa.c (current_function_number): Delete. + (pa_output_function_prologue): Don't output profile label here. + (hppa_profile_hook): Use label_no param rather than + current_function_number. + (FUNC_BEGIN_PROLOG_LABEL): Move to .. + * config/pa/pa.h: .. here. + (FUNCTION_PROFILER): Output profile label here. + +2002-04-22 Eric Christopher <echristo@redhat.com> + + * config/mips/mips.h (ASM_OUTPUT_ALIGNED_DECL_COMMON): Revert + patch of 2002-04-09 due to binutils issues. + (FUNCTION_ARG_REGNO_P): Ensure even numbered float register. + +2002-04-22 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.md ("*movv4si_internal"): Change 'm' + constraint to 'o' for m=r and r=m alternatives. + ("*movv8hi_internal1"): Same. + ("*movv16qi_internal1"): Same. + ("*movv4sf_internal1"): Same. + +2002-04-22 Janis Johnson <janis187@us.ibm.com> + + * rtl.h (RTX_FLAG): New macro. + * emit-rtl.c (copy_most_rtx): Use macros to access rtx flags. + * final.c (alter_subreg): Use macro to access rtx flag. + * integrate.c (copy_rtx_and_substitute): Use new access macro. + * print-rtl.c (print_rtx): Use new access macro. + + * cse.c (insert): Check rtx code before accessing flag. + + * genattrtab.c (ATTR_IND_SIMPLIFIED_P, ATTR_CURR_SIMPLIFIED_P, + ATTR_PERMANENT_P, ATTR_EQ_ATTR_P): New. + (attr_hash_add_string, attr_rtx_1, attr_copy_rtx, check_attr_test, + convert_const_symbol_ref, make_canonical, make_alternative_compare, + evaluate_eq_attr, attr_rtx_cost, simplify_test_exp_in_temp, + simplify_test_exp, optimize_attrs, simplify_by_exploding, + find_and_mark_used_attributes, unmark_used_attributes, + add_values_to_cover, simplify_with_current_value, + simplify_with_current_value_aux, clear_struct_flag, walk_attr_value, + copy_rtx_unchanging, main): Use new access macros. + +2002-04-22 Tom Rix <trix@redhat.com> + + * expmed.c (init_expmed): Generate shifted constant once. + +2002-04-22 Zack Weinberg <zack@codesourcery.com> + + * c-lex.c (lex_charconst): Call convert to get constant in + proper type; don't just smash the type field. + Fixes PR c/6300. + + * config.gcc: Add list of obsolete configurations. Disallow + building these without --enable-obsolete. + * doc/install.texi: Document --enable-obsolete and obsoletion + policy. Mention obsoletion of individual targets in + appropriate places. + +2002-04-22 Richard Henderson <rth@redhat.com> + + * config/sparc/sol2-bi.h (ASM_DEBUG_SPEC): New. + +2002-04-22 Mark Mitchell <mark@codesourcery.com> + + PR f/6138. + * function.c (fixup_memory_subreg): Add promoted_mode parameter. + (walk_fixup_memory_subreg): Likewise. + (fixup_var_refs_insn): Adjust accordingly. + (fixup_var_refs_1): Likewise. + +2002-04-22 Ulrich Weigand <uweigand@de.ibm.com> + + * config/s390/linux.h: (LIBPATH_SPEC, LIBPATH_ARCH31_SPEC, + LIBPATH_ARCH64_SPEC): Define. + (EXTRA_SPECS): Add libpath, libpath_arch31, libpath_arch64. + (STARTFILE_SPEC, ENDFILE_SPEC): Define; use libpath. + (LINK_ARCH31_SPEC): Add libpath_arch31 to search path. + (LINK_ARCH64_SPEC): Add libpath_arch64 to search path. + +2002-04-22 Joel Sherrill <joel@OARcorp.com> + + * gthr-rtems.h: Correct prototypes to remove warnings. + +2002-04-22 Richard Henderson <rth@redhat.com> + + PR c/6344 + * alias.c (canon_true_dependence): Special case (mem:blk (scratch)). + + * gcse.c (free_insn_expr_list_list): New. + (clear_modify_mem_tables): Use it. Fix bit set usage. + (canon_list_insert): Use EXPR_LISTs for expressions. + (record_last_mem_set_info): Factor BLOCK_NUM (insn). + +2002-04-22 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c (_cpp_pop_file_buffer): Return void. Move + file change and include code to _cpp_pop_buffer. + * cpphash.h (struct pending_option): Predeclare. + (struct cpp_reader): New member next_include_file. + (_cpp_pop_file_buffer): Update. + (_cpp_push_next_buffer): Update, rename. + * cppinit.c (cpp_destroy): Free include chain and pending here. + (cpp_finish_options): Simplify. + (_cpp_push_next_buffer): Rename and clean up. + * cpplib.c (cpp_pop_buffer): Move code from _cpp_pop_file_buffer. + Clarify. + * cppmacro.c (cpp_scan_nooutput): Set return_at_eof here. + +2002-04-22 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/altivec.h (vec_xor): Add variant for both args + being vector signed int. + (vec_andc): Same. + (vec_xor): Add variant for both args being vector signed char. + Remove redundant variant. + (vec_andc): Same. + +2002-04-21 David S. Miller <davem@redhat.com> + + * config/sparc/sparc.md (set then compare DI mode peephole2): Fix + compare mode in output RTL. + +2002-04-22 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000.c (rs6000_override_options): Correct + style and formatting of previous patch. + +2002-04-22 Alan Modra <amodra@bigpond.net.au> + + * config/rs6000/rs6000.c (rs6000_override_options): Always clear + flag_pic for ABI_AIX. + +2002-04-21 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppexp.c (struct op, parse_number): Replace U_CHAR with uchar. + * cppfiles.c (read_include_file): Similarly. + * cpphash.h (DSC, U_CHAR, ustrcmp, ustrncmp, ustrlen, + uxstrdup ustrchr, ufputs): Similarly. + * cppinit.c (TRIGRAPH_MAP, cpp_destroy): Similarly. + * cpplex.c (parse_slow, unescaped_terminator_p, save_comment, + cpp_ideq, parse_identifier, parse_number): Similarly. + * cpplib.c (struct directive, dequote_string, D, run_directive, + cpp_push_buffer): Similarly. + * cppmacro.c (new_string_token, builtin_macro, cpp_quote_string, + _cpp_create_definition, check_trad_stringification, + cpp_macro_definition): Similarly. + +2002-04-21 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppmacro.c (funlike_invocation_p): Don't step back + over CPP_EOF. + +2002-04-21 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000.c (output_profile_hook): Do not increment + labelno. + +2002-04-20 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/invoke.texi: Remove Chill references. + * doc/gcc.texi: Update last modified date. + +2002-04-20 Kazu Hirata <kazu@hxi.com> + + * config/h8300/lib1funcs.asm (___mulsi3): Remove unnecessary + push and pop. Replace add.l with add.w. + +2002-04-20 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com> + + * config/h8300/lib1funcs.asm (___mulsi3): Use hardware + multiply instructions for H8/300H case. + +2002-04-20 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com> + + * config/h8300/lib1funcs.asm (___cmpsi2, ___ucmpsi2): + Bum three instructions from each routine. + +2002-04-20 Neil Booth <neil@daikokuya.demon.co.uk> + + * Makefile.in: Update. + * decl.c (push_c_function_context, pop_c_function_context, + mark_c_function_context): Rename for consistency. + * c-objc-common.c (c_objc_common_init): Langhooks set elsewhere. + * c-tree.h (push_c_function_context, pop_c_function_context, + mark_c_function_context): Rename for consistency. + * c-lang.c (LANG_HOOKS_FUNCTION_ENTER_NESTED, + LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_FUNCTION_MARK): Redefine. + * function.c (init_lang_status, save_lang_status, + restore_lang_status, mark_lang_status, free_lang_status): + Move to langhooks.h. + (push_function_context_to, pop_function_context_from, + free_after_parsing, prepare_function_start, ggc_mark_struct_function): + Update. + * function.h (init_lang_status, save_lang_status, + restore_lang_status, mark_lang_status, free_lang_status): + Move to langhooks.h. + * langhooks-def.h (LANG_HOOKS_FUNCTION_INIT, + LANG_HOOKS_FUNCTION_FREE, LANG_HOOKS_FUNCTION_ENTER_NESTED, + LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_FUNCTION_MARK, + LANG_HOOKS_FUNCTION_INITIALIZER): New. + (LANG_HOOKS_INITIALIZER): Update. + (lhd_do_nothing_f): New. + * langhooks.h (struct lang_hooks_for_functions): New. + (struct lang_hooks): New hooks. + * langhooks.c (lhd_do_nothing_f): New. +objc: + * objc-lang.c (LANG_HOOKS_FUNCTION_ENTER_NESTED, + LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_FUNCTION_MARK): Redefine. + +2002-04-19 David S. Miller <davem@redhat.com> + + * config/sparc/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define. + * config/sparc/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Likewise. + +2002-04-19 Jakub Jelinek <jakub@redhat.com> + + PR optimization/3756 + * config/i386/i386.c (ix86_expand_int_movcc): Optimize + x = ((int) y < 0) ? cst1 : cst2. + +2002-04-19 Jakub Jelinek <jakub@redhat.com> + + PR c/6358 + * function.c: Reapply patch for c/6358. + (expand_function_end): Copy decl_rtl's mode, not + current_function_return_rtx mode. + +2002-04-19 Joel Sherrill <joel@OARcorp.com> + + * config/rtems.h (STARTFILE_SPEC, ENDFILE_SPEC): Fix for non-ELF + targets. + +2002-04-19 Tom Tromey <tromey@redhat.com> + + * doc/install.texi (Specific): Update status of Solaris 2.8. + For PR libgcj/6158. + +2002-04-19 Andreas Schwab <schwab@suse.de> + + * real.c: Allow sizeof (REAL_VALUE_TYPE) > 2*NE. + (PUT_REAL): Restore old definition. + +2002-04-19 Dan Nicolaescu <dann@godzilla.ics.uci.edu> + Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/install.texi (Specific, sparc-sun-solaris2*): Mention that + binutils 2.11.2 and higher generate smaller binaries than Sun's + native tools. + +2002-04-19 Mark Mitchell <mark@codesourcery.com> + + PR c++/6352 + * toplev.c (rest_of_compilation): Do not defer functions for which + TREE_SYMBOL_REFERENCED has already been set. + +Fri Apr 19 15:53:03 CEST 2002 Jan Hubicka <jh@suse.cz> + + * i386.md (movsi_1, movhi_1): Force reload to use more flexible + alternative. + +2002-04-19 Neil Booth <neil@daikokuya.demon.co.uk> + + * builtins.c: Include langhooks.h. + (lang_type_promotes_to): Remove. + (expand_builtin_va_arg): Use new hook. + * c-common.c (c_common_nodes_and_builtins): Don't set hook. + (simple_type_promotes_to): Move to c-typeck.c. + * c-common.h (simple_type_promotes_to): Remove. + * c-decl.c (duplicate_decls, grokdeclarator): Update. + * c-format.c: Include langhooks.h. + (check_format_types): Update. + * c-tree.h (c_type_promotes_to): New. + * c-typeck.c (c_type_promotes_to): Move from c-common.c. + (type_lists_compatible_p): Update. + * langhooks-def.h (lhd_type_promotes_to): New. + (LANG_HOOKS_TYPE_PROMOTES_TO): New. + (LANG_HOOKS_FOR_TYPES_INITIALIZER): Update. + * langhooks.c (lhd_type_promotes_to): New. + * langhooks.h (struct lang_hooks_for_types): New hook. + * tree.h (lang_type_promotes_to): Remove. +objc: + * objc-lang.c (LANG_HOOKS_TYPE_PROMOTES_TO): Redefine. + +2002-04-18 Richard Henderson <rth@redhat.com> + + * function.c: Revert patch for c/6358. + +2002-04-18 Richard Henderson <rth@redhat.com> + + * ifcvt.c (find_cond_trap): Handle cases with no proper THEN or JOIN + blocks. Handle multiple references to the TRAP block. Handle + non-adjacent THEN and OTHER blocks. + +2002-04-18 Richard Henderson <rth@redhat.com> + + * config/ia64/ia64.c (ia64_function_arg_pass_by_reference): Don't + crash with no type for by-mode libcalls. + + * config/ia64/ia64.md (conditional_trap): Fix predicate polarity. + +2002-04-18 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/lib2funcs.S (__xtensa_libgcc_window_spill, + __xtensa_nonlocal_goto): Use a syscall instructions to flush + the register windows. + +2002-04-18 Zack Weinberg <zack@codesourcery.com> + + * real.h: Define REAL_VALUE_TYPE_SIZE as 96 or 160, as + appropriate. Document need for extended precision even when + MAX_LONG_DOUBLE_TYPE_SIZE is smaller. Define REAL_WIDTH here, + based on REAL_VALUE_TYPE_SIZE. Use REAL_WIDTH to size + REAL_VALUE_TYPE. Define CONST_DOUBLE_FORMAT here. Use #error + instead of relying on later syntax error when REAL_WIDTH > 5. + * real.c: Define NE based only on whether or not we have a + full 128-bit extended type (not INTEL_EXTENDED_IEEE_FORMAT). + Require sizeof(REAL_VALUE_TYPE) == 2*NE. Unconditionally + define GET_REAL and PUT_REAL as simple memcpy operations; no + need to byteswap or round. + Use #error instead of #ifdef-ing out the entire file, for + prompt error detection. + + * rtl.c, gengenrtl.c: No need to calculate CONST_DOUBLE_FORMAT here. + +2002-04-18 David S. Miller <davem@redhat.com> + + * config/sparc/sparc.h (BRANCH_COST): Define. + + * fold-const.c (BRANCH_COST): Don't provide default here, expr.h + does it. + +2002-04-18 Hans-Peter Nilsson <hp@bitrange.com> + + * flow.c (update_life_info): Ignore return value of cleanup_cfg. + Mask out PROP_SCAN_DEAD_CODE | PROP_KILL_DEAD_CODE in + propagate_block calls after relaxation loop using new variable + stabilized_prop_flags. + +2002-04-18 Richard Henderson <rth@redhat.com> + + * config/ia64/ia64.c (ia64_function_arg_pass_by_reference): New. + (ia64_va_arg): Expect variable sized types by reference. + * config/ia64/ia64-protos.h: Update. + * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Use + ia64_function_arg_pass_by_reference. + +2002-04-18 Richard Henderson <rth@redhat.com> + + * ifcvt.c: Include except.h. + (block_has_only_trap): Break out from find_cond_trap. + (find_cond_trap): Use it. Always delete the trap block. + (merge_if_block): Allow then block null. Be less simplistic about + what insns can end a block. + * Makefile.in (ifcvt.o): Depend on except.h. + + * config/ia64/ia64.md (trap, conditional_trap): New. + +2002-04-18 Jakub Jelinek <jakub@redhat.com> + + PR c/6358 + * function.c (assign_parms): Assign hard current_function_return_rtx + register here... + (expand_function_end): ...not here. + +2002-04-18 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lang.c (LANG_HOOKS_INCOMPLETE_TYPE_ERROR): Redefine. + * c-tree.h (c_incomplete_type_error): New. + * c-typeck.c (require_complete_type, build_component_ref): Update. + (incomplete_type_error): Rename. + * langhooks-def.h (lhd_incomplete_type_error): New. + (LANG_HOOKS_INCOMPLETE_TYPE_ERROR): New. + (LANG_HOOKS_FOR_TYPES_INITIALIZER): Update. + * langhooks.c (lhd_incomplete_type_error): New. + * langhooks.h (struct lang_hooks_for_types): New hook. + * tree.c (size_in_bytes): Use new hook. + * tree.h (incomplete_type_error): Remove. +objc: + * objc-lang.c (LANG_HOOKS_INCOMPLETE_TYPE_ERROR): Redefine. + +2002-04-18 Zack Weinberg <zack@codesourcery.com> + + * config/arc/arc.md: Remove #if HOST_FLOAT_FORMAT != + TARGET_FLOAT_FORMAT blocks. + +2002-04-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/install.texi (Downloading the source): Do not mention Chill + any longer, but mention Ada. + (Configuration): Do not mention Chill any longer. + +2002-04-18 Hans-Peter Nilsson <hp@axis.com> + + * config/cris/cris.h (TARGET_VERSION): Remove local version number. + +Thu Apr 18 17:14:08 CEST 2002 Jan Hubicka <jh@suse.cz> + + * i386.h (SSE_FLOAT_MODE_P): Fix bogus conflict resolution + in last patch. + +2002-04-18 Jakub Jelinek <jakub@redhat.com> + + * fold-const.c (fold): Use (*lang_hooks.types.unsigned_type) + instead of unsigned_type. + +Thu Apr 18 15:49:12 CEST 2002 Jan Hubicka <jh@suse.cz> + + * i386.h (SSE_FLOAT_MODE_P): Kill bogus TARGET_SSE_MATH check. + * i386.md (sse_mov?fcc*): Swap operands for cases they will be swapped + later. + +2002-04-18 Bernd Schmidt <bernds@redhat.com> + + * attribs.c (vector_type_node_list): New static variable. + (handle_vector_size_attribute): Use it to avoid generating a + new type node each time we are called. + + * combine.c (subst): Avoid trying to make a vector mode subreg of + an integer constant. + (gen_lowpart_for_combine): Likewise. + +2002-04-18 Roger Sayle <roger@eyesopen.com> + Jakub Jelinek <jakub@redhat.com> + + * fold-const.c (fold) [NOP_EXPR]: Convert (T)(x&c) into ((T)x&(T)c) + for integer constant c (if x has unsigned type or sign bit is not + set in c). This folds the zero/sign extension into the bit-wise and + operation. + +2002-04-18 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/6205 + * config/i386/i386.md (movsf_1): Use pxor only if TARGET_SSE2, + otherwise xorps. + +2002-04-17 NIIBE Yutaka <gniibe@m17n.org> + + * config/sh/elf.h: Undefine ASM_OUTPUT_CASE_LABEL. + +2002-04-17 Nick Clifton <nickc@cambridge.redhat.com> + + * gcc.c (read_specs): Detect and fail if an attempt is made to + rename a spec string to an already existing string. + +2002-04-17 Ulrich Weigand <uweigand@de.ibm.com> + + * config/s390/s390.c (legitimize_pic_address): Do not generate + illegal address constant without CONST. + +2002-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * sparc/linux64.h (CC1_SPEC): Error for -m32 and -m64. + * sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise. + +2002-04-17 Ulrich Weigand <uweigand@de.ibm.com> + + PR optimization/6305 + * config/s390/s390.c (s390_expand_plus_operand): Use find_replacement + to make sure previous reloads are taken into account. Generate + better code if one operand is an in-range immediate constant. + +2002-04-16 Andrew Haley <aph@cambridge.redhat.com> + + * doc/install.texi (Building): libgcj requires GNU make. + +2002-04-17 Jakub Jelinek <jakub@redhat.com> + + PR bootstrap/6315 + * config/sparc/sparc.md (movtf reg<-reg split): Allow spliting + even if hard quad and register is not floating. + (movtf reg<-mem split): Disallow splitting if hard quad and + register is floating. + (movtf mem<-reg split): Likewise. + * config/sparc/sparc.c (fp_register_operand): New predicate. + * config/sparc/sparc.h (PREDICATE_CODES): Add fp_register_operand. + +2002-04-17 Zack Weinberg <zack@codesourcery.com> + + * Makefile.in (PROTO_OBJS): Add cppdefault.o. + (protoize.o): Take $(PREPROCESSOR_DEFINES) off command line. + (unprotoize.o): Ditto. Build from protoize.c. Define + UNPROTOIZE on command line. + * protoize.c: Include cppdefault.h. Delete include_defaults. + (in_system_include_dir): Use cpp_include_defaults (defined in + cppdefault.o). + * unprotoize.c: Delete file. + +2002-04-17 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/altivec.h (vec_ld): Add array variants. + (vec_lde): Same. + (vec_ldl): Same. + +2002-04-17 Alan Matsuoka <alanm@redhat.com> + Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/altivec.h: Define __ALTIVEC__. + (bool): New. + (__pixel): New. + (pixel): New. + (vec_cfux): New. + (vec_vmaddfp): New. + (vec_vsldoi): New. + Add parentheses to all macro arguments. + +2002-04-16 Richard Henderson <rth@redhat.com> + + PR c++/6320 + * except.c (remove_eh_handler): Insert inner regions at beginning + of sibling chain. Refactor expressions. + +2002-04-16 Richard Henderson <rth@redhat.com> + + * config/sparc/sol2-bi.h (AS_SPARC64_FLAG): New. + * config/sparc/sol2-gas-bi.h: New file. + * config.gcc (sparc*-solaris): Add it as needed. + * configure.in (AS_SPARC64_FLAG): Remove check. + * config.in, configure: Regenerate. + + * config/sparc/sol2-bi.h (CC1_SPEC): Error for -m32 and -m64. + +2002-04-16 Richard Henderson <rth@redhat.com> + + * config/mips/mips.c (override_options): Don't override N32 for + a 64-bit ISA. + + PR 6202 + * config/mips/mips.md (can_delay): Split out of existing define_delays. + (HILO_delay): Set can_delay false. + +2002-04-16 Dale Johannesen <dalej@apple.com> + + * config/rs6000/rs6000.c (rs6000_output_function_prologue): Compute + instruction addresses. + (rs6000_output_function_epilogue): Likewise. + +2002-04-16 Paolo Carlini <pcarlini@unitus.it> + + * c-parse.in (poplevel, compstmt_start, + compstmt_primary_start): Add ending ';', in accordance + with POSIX. + +2002-04-16 Richard Henderson <rth@redhat.com> + + * config.gcc (sparcv9-solaris): Configure for 64-bit default. + Adjust tm_file order to get TARGET_DEFAULT set properly. + (sparc-solaris): Configure 2.[78] for 64-bit multilibs. + * doc/install.texi (sparc-solaris): Update. + +2002-04-16 Dale Johannesen <dalej@apple.com> + + * config/rs6000/rs6000.c (rs6000_emit_cmove): Fail if modes of + comparison operands do not match each other or if modes of + conditions do not match result. + +2002-04-16 Hartmut Penner <hpenner@de.ibm.com> + + PR target/6305 + * config/s390/s390.md (mulsidi3): Set both subregs of the + multiword register. + +2002-04-16 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/altivec.h (vec_addc): Type check. + +2002-04-16 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/6279 + * expr.c (store_expr): Don't copy if DECL_RTL (exp) == target. + + * expr.c (safe_from_p): Cleanup: use DECL_RTL_IF_SET. + +2002-04-15 Richard Henderson <rth@redhat.com> + + * config/mips/abi64.h (SUBTARGET_CONDITIONAL_REGISTER_USAGE): Set + call_really_used_regs too. + +2002-04-15 Richard Henderson <rth@redhat.com> + + * config/alpha/gnu.h (CPP_PREDEFINES): Underscores for gnu_hurd. + +2002-04-15 David S. Miller <davem@redhat.com> + + * rtlanal.c (note_stores): Don't present PARALLEL SET_DESTs + as being CLOBBERed. + +2002-04-16 Jakub Jelinek <jakub@redhat.com> + + PR c/6290 + * config/rs6000/rs6000.c (easy_vector_constant): Return 1 if the + CONST_VECTOR is { 0, ... 0 }. + +2002-04-15 Loren J. Rittle <ljrittle@acm.org> + + * doc/install.texi (Installing GCC: Configuration): Clarify + the only supported ways to configure gcc. + +2002-04-15 Roland McGrath <roland@frob.com> + + * config.gcc (alpha*-*-gnu*): New target configuration. + * config/alpha/gnu.h: New file for it. + * config/gnu.h (TARGET_MEM_FUNCTIONS): #undef before #define. + +2002-04-16 Mark Mitchell <mark@codesourcery.com> + + * c-common.h (STMT_EXPR_NO_SCOPE): New macro. + * c-common.c (c_expand_expr): Respect STMT_EXPR_NO_SCOPE. + * tree.h (expand_start_stmt_expr): Update prototype. + * stmt.c (expand_start_stmt_expr): Add has_scope parameter. + * tree-inline.c (expand_call_inline): Set STMT_EXPR_NO_SCOPE + on the STMT_EXPR created for the inline function. + +2002-04-15 Richard Henderson <rth@redhat.com> + + * config/alpha/linux.h, config/arm/linux-elf.h, config/i370/linux.h, + config/i386/linux-aout.h, config/i386/linux-oldld.h, + config/i386/linux.h, config/i386/linux64.h, config/ia64/linux.h, + config/m68k/linux-aout.h, config/m68k/linux.h, config/mips/linux.h, + config/pa/pa-linux.h, config/pj/linux.h, config/s390/linux.h, + config/sh/linux.h, config/sparc/linux-aout.h, config/sparc/linux.h, + config/sparc/linux64.h, config/xtensa/linux.h (CPP_PREDEFINES): + Define __gnu_linux__, not gnu_linux. + * config/rs6000/sysv4.h (CPP_OS_GNU_SPEC): Likewise for gnu_hurd. + +2002-04-15 Mark Mitchell <mark@codesourcery.com> + + Remove Chill front end. + * gcc.c (default_compilers): Remove Chill entries. + * ch: Remove directory. + * doc/frontends.texi: Remove information about Chill. + * doc/sourcebuild.texi: Likewise. + * doc/standards.texi: Likewise. + +2002-04-15 Douglas B Rupp <rupp@gnat.com> + + * config/alpha/vms.h (INCLUDE_DEFAULTS): Add /gnu/lib/gcc-lib/include. + (LONGLONG_STANDALONE): Define. + +2002-04-15 David S. Miller <davem@redhat.com> + + * config/sparc/sparc.c (sparc_emit_float_lib_cmp): + Call emit_library_call with LCT_NORMAL. + (sparc_initialize_trampoline): Use LCT_foo instead of + magic constant in emit_library_call invocations. + (sparc64_initialize_trampoline): Likewise. + (sparc_profile_hook): Likewise. + * config/sparc/sparc.md: Likewise. + + * config/sparc/sparc.c (sparc_extra_constraint_check): + Fix type of argument 'c'. + * config/sparc/sparc-protos.h (sparc_extra_constraint_check): + Likewise. + +2002-04-15 Gabriel Dos Reis <gdr@merlin.codesourcery.com> + + * diagnostic.h (output_buffer_state): Redefine. + (output_format_decoder): New macro. + (output_prefixing_rule): Likewise. + (output_line_cutoff): Likewise. + (diagnostic_format_decoder): Adjust. + (diagnostic_prefixing_rule): Likewise. + (diagnostic_line_cutoff): Likewise. + (diagnostic_state): Likewise. + (diagnostic_kind_count): Likewise. + (diagnostic_buffer): Now a macro. + + * diagnostic.c (diagnostic_buffer): Remove definition. + (output_is_line_wrapping): Adjust. + (set_real_maximum_length): Likewise. + (output_set_maximum_length): Likewise. + (init_output_buffer): Likewise. + (lhd_print_error_function): Likewise. + (output_do_verbatim): Likewise. + +2002-04-14 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpperror.c (print_location): Don't print include chain + if line == 0. + (cpp_begin_message): Update to use DL_ macros. + (cpp_ice, cpp_fatal, cpp_error_from_errno, cpp_warning, + cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line, + cpp_notice, cpp_notice_from_errno): Remove. + (cpp_error, cpp_error_with_line): Update to take a diagnostic + level. + (cpp_errno): New. + * cppexp.c (CPP_ICE): Remove. + (SYNTAX_ERROR, SYNTAX_ERROR2, parse_number, parse_defined, + lex, integer_overflow, _cpp_parse_expr): Update. + * cppfiles.c (read_include_file, find_include_file, + handle_missing_header, _cpp_read_file, remap_filename): Update. + * cpphash.h (enum error_type): Remove. + (_cpp_begin_message): Update. + * cppinit.c (append_include_chain, remove_dup_dirs, output_deps, + cpp_handle_option, cpp_post_options): Update. + * cpplex.c (trigraph_p, skip_escaped_newlines, skip_block_comment, + skip_whitespace, parse_identifier, parse_slow, parse_string, + _cpp_lex_direct, cpp_spell_token, maybe_read_ucs, cpp_parse_escape, + cpp_interpret_charconst): Update. + * cpplib.c (check_eol, directive_diagnostics, _cpp_handle_directive, + lex_macro_node, do_undef, glue_header_name, parse_include, + do_include_common, read_flag, do_line, do_linemarker, do_ident, + cpp_register_pragma, do_pragma_once, do_pragma_system_header, + do_pragma_poison, do_pragma_dependency, _cpp_do__Pragma, do_else, + do_elif, do_endif, parse_answer, parse_assertion, do_assert, + _cpp_pop_buffer, do_diagnostic): Update. + * cpplib.h (DL_WARNING, DL_WARNING_SYSHDR, DL_PEDWARN, DL_ERROR, + DL_FATAL, DL_ICE, DL_EXTRACT, DL_WARNING_P): New. + (cpp_ice, cpp_fatal, cpp_error_from_errno, cpp_warning, + cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line, + cpp_notice, cpp_notice_from_errno): Remove. + (cpp_error, cpp_error_with_line): Update to take a diagnostic + level. + (cpp_errno): New. + * cppmacro.c (builtin_macro, stringify_arg, paste_all_tokens, + collect_args, enter_macro_context, save_parameter, parse_params, + _cpp_create_definition, check_trad_stringification, + cpp_macro_definition): Update. + * cppmain.c (cpp_preprocess_file): Update. + * fix-header.c (read_scan_file): Update. + +2002-04-14 Andreas Schwab <schwab@suse.de> + + * config/ia64/linux.h (CPP_PREDEFINES): Fix missing backslash. + +2002-04-14 Jeroen Dobbelaere <jeroen.dobbelaere@acunia.com> + + * config/arm/linux-elf.h (CPLUSPLUS_CPP_SPEC): Define. + +2002-04-13 Mark Mitchell <mark@codesourcery.com> + + * config/i386/gnu.h (CPP_PREDEFINES): Define __gnu_hurd__, + not gnu_hurd. + +2002-04-13 Hans-Peter Nilsson <hp@axis.com> + + * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC): Fix typo. + +2002-04-13 Joel Sherrill <joel@OARcorp.com> + + * config/sparc/t-elf: Enable v8 multilibs. Impacts + sparc-elf and sparc-rtems targets. + +2002-04-13 Mark Mitchell <mark@codesourcery.com> + + * alpha/linux.h: Define __gnu_linux__ wherever __linux__ is + defined, and __gnu_hurd__ wherever __GNU__ is defined. + * arm/linux-elf.h: Likewise. + * cris/aout.h: Likewise. + * cris/linux.h: Likewise. + * i370/linux.h: Likewise. + * i386/gnu.h: Likewise. + * i386/linux-aout.h: Likewise. + * i386/linux-oldld.h: Likewise. + * i386/linux.h: Likewise. + * i386/linux64.h: Likewise. + * ia64/linux.h: Likewise. + * m68k/linux-aout.h: Likewise. + * m68k/linux.h: Likewise. + * mips/linux.h: Likewise. + * pa/pa-linux.h: Likewise. + * pj/linux.h: Likewise. + * rs6000/sysv4.h: Likewise. + * s390/linux.h: Likewise. + * sh/linux.h: Likewise. + * sparc/linux-aout.h: Likewise. + * sparc/linux.h: Likewise. + * sparc/linux64.h: Likewise. + * xtensa/linux.h: Likewise. + +2002-04-13 Richard Sandiford <rsandifo@redhat.com> + + * stmt.c (check_unique_operand_names): Expect operand names to + be strings rather than identifiers. Use simple_cst_equal to + compare them. + (resolve_operand_name_1): Make same identifier to string change here. + * c-parse.in (asm_operand): Convert a named operand into a string. + * cp/parse.y (asm_operand): Likewise. + +2002-04-13 Andreas Schwab <schwab@suse.de> + + * config/ia64/ia64.h (CPP_SPEC): Include %(cpp_cpu). + +2002-04-12 Mark Mitchell <mark@codesourcery.com> + + Revert these changes: + + 2002-04-06 Mark Mitchell <mark@codesourcery.com> + + PR c++/5571 + * stor-layout.c (layout_decl): Reset the RTL for the decl. + +2002-04-12 Richard Henderson <rth@redhat.com> + + * config.gcc (sparcv9-*-solaris2): Default to 32-bit code. + (sparc*-*-solaris): Clean up header files. + * configure.in (AS_SPARC64_FLAG): Error out if can't find it + and plan on generating 64-bit code. + * toplev.c (decode_g_option): Remove LINKER_DOES_NOT_WORK_WITH_DWARF2. + * config/sparc/sol2-64.h: Delete and reuse for default 64-bit code. + * config/sparc/sol2-sld-64.h: Rename ... + * config/sparc/sol2-bi.h: ... here. Remove the bits that checked + for AS_SPARC64_FLAG not defined. + * config/sparc/sol2-gld-bi.h: New. + * config/sparc/sol2-sld.h: Remove. + * config/sparc/sol26-sld.h: New. + * config/sparc/sol2.h: Tidy comments. + * doc/install.texi: Document sparc-solaris configury changes. + +2002-04-12 Richard Henderson <rth@redhat.com> + + * recog.c (offsettable_address_p): Match the logic in adjust_address. + + * config/sparc/sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Handle TFmode + in 64-bit mode only. Use only for 32-bit or MEDLOW. + +2002-04-12 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * config/alpha/osf.h (LINK_SPEC): Pass -S to silence ld warnings. + +Fri Apr 12 15:42:59 2002 Jeffrey A Law (law@redhat.com) + + * pa.c (pa_can_combine_p): Call extract_insn before calling + constrain_operands. + +2002-04-12 Douglas B Rupp <rupp@gnat.com> + + * config/i386/i386-interix.h (EH_FRAME_IN_DATA_SECTION): Define. + (TARGET_ASM_NAMED_SECTION, RETURN_IN_MEMORY) Define. + (DEFAULT_PCC_STRUCT_RETURN): Define as 0. + (CPP_PREDEFINES): Handle __declspec. + * config/i386/t-interix (USER_H): Remove. + +2002-04-12 DJ Delorie <dj@redhat.com> + + * integrate.c (compare_blocks): Make comparisons safe for when + sizeof(int) < sizeof(char *). + (find_block): Likewise. + +2002-04-12 Jan Hubicka <jh@suse.cz> + David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000.c (call_operand): Allow LINK and COUNT + registers. + (symbol_ref_operand): New. + * config/rs6000/rs6000.h (PREDICATE_CODES): Add symbol_ref_operand. + * config/rs6000/rs6000.md (call_nonlocal_aix): Use symbol_ref_operand. + +2002-04-12 Andreas Schwab <schwab@suse.de> + + * config/ia64/ia64.h (ASM_SPEC): Moved from here ... + * config/ia64/sysv4.h (ASM_SPEC): ... to here, so that it + overrides the definition in config/svr4.h. + +2002-04-12 Eric Norum <eric.norum@usask.ca> + + * config/rtems.h, config/a29k/rtems.h, config/arm/rtems-elf.h, + config/c4x/rtems.h, config/h8300/rtems.h, config/i386/rtems.h, + config/i386/rtemself.h, config/i960/rtems.h, config/m68k/rtems.h, + config/m68k/rtemself.h, config/mips/rtems.h, config/mips/rtems64.h, + config/pa/rtems.h, config/rs6000/rtems.h, config/sh/rtems.h, + config/sh/rtemself.h, config/sparc/rtems.h, config/sparc/rtemself.h, + config/v850/rtems.h (*-rtems*): Cleanup pass to move common + definitions to config/rtems.h and make the targets more similar. + +Fri Apr 12 08:06:54 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (expand_assigment): Remove duplicate conversions #ifdef + POINTERS_EXTEND_UNSIGNED. + (store_constructor, expand_expr, case COMPONENT_REF): Likewise. + (store_expr): Use TYPE_MODE (sizetype), not ptr_mode. + + * emit-rtl.c (widen_memory_access): Don't do anything if MEMOFFSET + not specified. + +Fri Apr 12 12:11:26 2002 J"orn Rennecke <joern.rennecke@superh.com> + + * sh.c (calc_live_regs, sh_pr_n_sets): Use of PR_MEDIA_REG / PR_REG + depends on TARGET_SHMEDIA, not TARGET_SH5. + +2002-04-12 Hans-Peter Nilsson <hp@bitrange.com> + + * function.c (fixup_var_refs_1) <SET, handling VAR in SET_SRC>: + For paradoxical (subreg VAR), replace VAR, don't try the subreg. + +Fri Apr 12 10:51:38 2002 J"orn Rennecke <joern.rennecke@superh.com> + + * sh.c (broken_move): Constant 0. / 1. load is OK if there is + no r0 clobber. + +2002-04-12 Andreas Schwab <schwab@suse.de> + + * config/ia64/ia64.h (EXTRA_SPECS): Fix missing backslash. + +2002-04-12 Richard Henderson <rth@redhat.com> + + PR bootstrap/4191 + * config/d30v/d30v.h (INIT_SECTION_ASM_OP): Don't undef. + + * flow.c (mark_used_reg): Manage reg_cond_dead properly for + modes spanning multiple hard regs. + + * recog.c (peephole2_optimize): Rebuild jump labels as needed. + +2002-04-11 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.c (pa_output_function_prologue): Don't accumulate the total + number of code bytes when using TARGET_64BIT, or gas, SOM and not + the portable runtime. + (output_deferred_plabels): Handle 64bit plabels. + (output_cbranch): Use $PIC_pcrel$0 for pc relative relocations when + generating pic code using the GAS assembler for object formats that + are not SOM (ie., ELF32 and ELF64). + (output_millicode_call): Check attribute type if attribute length is 28. + Likewise use $PIC_pcrel$0. Only call get_attr_length and + dbr_sequence_length once. + (output_call): Likewise use $PIC_pcrel$0, and call get_attr_length and + dbr_sequence_length once. + * pa.h (TARGET_SOM): Define if not defined. + * pa.md (pattern to load address of label): Likewise use $PIC_pcrel$0 + with GAS and not SOM. + (jump, call_internal_reg, call_value_internal_reg): Likewise. + * som.h (OBJ_SOM): Rename to TARGET_SOM. Undefine before defining. + +2002-04-11 David O'Brien <obrien@FreeBSD.org> + + * config/freebsd.h (NO_IMPLICIT_EXTERN_C, SCCS_DIRECTIVE): Give value. + (DEFAULT_PCC_STRUCT_RETURN) Do not redefine. + (USER_LABEL_PREFIX, HANDLE_SYSV_PRAGMA, IDENT_ASM_OP, + DWARF2_DEBUGGING_INFO, DBX_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE): + elfos.h and dbxelf.h values are fine now. + * config/i386/freebsd.h, config/alpha/freebsd.h + (DEFAULT_PCC_STRUCT_RETURN): Define to 0. + +2002-04-11 David O'Brien <obrien@FreeBSD.org> + + * config/ia64/aix.h (CPP_PREDEFINES): Do not define _LP64/__LP64__ + or set Acpu or Amachine. Reformat. + (ASM_SPEC, DONT_USE_BUILTIN_SETJMP, PROFILE_BEFORE_PROLOGUE): Do not + define. + (LINK_SPEC): Do not need to undef. + * config/ia64/elf.h (ASM_EXTRA_SPEC): Define. + * config/ia64/freebsd.h (LINK_SPEC): Do not need to undef. + (ASM_SPEC, DONT_USE_BUILTIN_SETJMP, PROFILE_BEFORE_PROLOGUE): Do not + define. + * config/ia64/hpux.h (ASM_EXTRA_SPEC): Define. + (ASM_SPEC): Do not define, use ASM_EXTRA_SPEC instead. + (LINK_SPEC): Do not need to undef. + (DONT_USE_BUILTIN_SETJMP): Do not define. + * config/ia64/ia64.h (ASM_SPEC, ASM_EXTRA_SPEC): Add. + (CPP_CPU_SPEC): Define _LP64, set Acpu and Amachine. Remove -Dia64. + (DONT_USE_BUILTIN_SETJMP, PROFILE_BEFORE_PROLOGUE): Define. + Remove trailing spaces. + * config/ia64/linux.h (CPP_PREDEFINES): Do not define _LP64/__LP64__, + __ELF__, or set Acpu or Amachine. Reformat. + (ASM_SPEC, DONT_USE_BUILTIN_SETJMP, PROFILE_BEFORE_PROLOGUE): Do not + define. + +2002-04-11 David O'Brien <obrien@FreeBSD.org> + + * config.gcc (ia64-*-freebsd*): Fix ordering of tm_files to match + all other *-*-freebsd* targets. + +2002-04-11 Richard Henderson <rth@redhat.com> + + * config.gcc (alpha*-*-linux*ecoff): Detect and reject. + +2002-04-11 David O'Brien <obrien@FreeBSD.org> + + * config.gcc (alpha*-*-openbsd, alpha64-dec-*vms,alpha*-dec-*vms): + Include {cpu}/{cpu}.h thru tm_file. + (alpha*-*-linux*ecoff): Remove target. + * config/alpha/elf.h (CPP_SUBTARGET_SPEC): Define __ELF__. + (LINK_SPEC): Remove, is not OS independent. + * config/alpha/freebsd.h (CPP_SPEC): Do not define __ELF__. + (LINK_SPEC): Do not need to #undef any longer. + * config/alpha/linux-ecoff.h (LINK_SPEC): Do not need to #undef + any longer. + * config/alpha/linux-elf.h (SUB_CPP_PREDEFINES): Do not define + __ELF__. + (LINK_SPEC): Moved here from alpha/elf.h. + * config/alpha/linux.h (CPP_PREDEFINES): No longer consumer of + SUB_CPP_PREDEFINES. + * config/alpha/linux-ecoff.h: Remove. + * config/alpha/netbsd.h (CPP_PREDEFINES): Do not define __ELF__. + (CPP_SPEC): Define _POSIX_SOURCE as needed. + (CPP_SUBTARGET_SPEC): Do not define. + (LINK_SPEC): Do not need to #undef any longer. + * config/alpha/openbsd.h: Do not directly include alpha/alpha.h. + * config/alpha/vms.h: Likewise. + +2002-04-11 Richard Sandiford <rsandifo@redhat.com> + + * doc/extend.texi: Remove old claim that typedefs cannot have + an alignment attribute. + +2002-04-11 Jakub Jelinek <jakub@redhat.com> + + PR optimization/6177 + * expr.c (expand_expr) [COMPONENT_REF]: Handle op0 CONCAT if + bitpos is 0 and bitsize CONCAT size. + +2002-04-11 Jakub Jelinek <jakub@redhat.com> + + PR c/6223 + * combine.c (if_then_else_cond): Use trunc_int_for_mode on nz. + +2002-04-10 David O'Brien <obrien@FreeBSD.org> + + * config/alpha/freebsd.h: Minor reformatting. + (CPP_SPEC): Define ELF and add cpp_subtarget. + (ASM_SPEC): No longer needed. + +2002-04-11 Richard Henderson <rth@redhat.com> + + * config/sparc/sparc.md (movdi_insn_sp32): Add o/J alternative. + (movdi_insn_sp32_v9): Likewise. Only allow stx with aligned memory. + (dimode mem/zero splitter): New. + +2002-04-11 Hans-Peter Nilsson <hp@axis.com> + + * config/cris/cris.c (cris_override_options): Tweak error message + for PIC not implemented. + + * config/cris/cris.h: Tweak comments related to parameter-passing. + + * t-cris (TARGET_LIBGCC2_CFLAGS): Don't -Dinhibit_libc here. + +2002-04-10 Richard Henderson <rth@redhat.com> + + * except.c (add_ehl_entry): Allow duplicates after landing pad + creation. + +2002-04-10 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/t-aix43 (SHLIB_NM_FLAGS): Add -X32_64. + +2002-04-10 Toon Moene <toon@moene.indiv.nluug.nl> + + * c-decl.c (c_init_decl_processing): Move generation of + decls for g77_integer_type_node and friends from here ... + * c-common.c (c_common_nodes_and_builtins): ... to here. + +2002-04-10 Ulrich Weigand <uweigand@de.ibm.com> + + * reload1.c (choose_reload_regs): HARD_FRAME_POINTER_REGNUM + is only used as frame pointer when frame_pointer_needed is true. + +2002-04-10 Richard Earnshaw <rearnsha@arm.com> + + PR target/817 + * arm.md (arm_movdi): Adjust neg_pool_range attribute to allow + for the fact that the pool entry uses two words. + (movdf_hard_insn): Similarly. Also, ADR instruction can span + 1k bytes. + (movdf_soft_insn): Similarly. + (movxf_hard_insn): Adjust neg_pool_range attribute to allow + for the fact that the pool entry uses three words. + +2002-04-10 Richard Sandiford <rsandifo@redhat.com> + + * config/mips/mips.c (mips_va_arg): When using the struct version + of the EABI va_list, allow arguments in the register save area to + take up less room than a stack argument. + +2002-04-10 Richard Henderson <rth@redhat.com> + + * expr.c (expand_expr) [INTEGER_CST]: Don't force into registers + if EXPAND_INITIALIZER. + +2002-04-09 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.md (movdi_er_maybe_g): New. + * config/alpha/alpha.c (alpha_expand_mov): Use it. + +2002-04-10 Alan Modra <amodra@bigpond.net.au> + + PR optimization/6233 + * rtlanal.c (pure_call_p): New function. + * rtl.h (pure_call_p): Declare. + * loop.c (prescan_loop): Use it to set has_nonconst_call. + * gcse.c (store_killed_in_insn): Use pure_call_p here too. + +2002-04-09 Eric Christopher <echristo@redhat.com> + + * config/mips/mips.h (ASM_OUTPUT_ALIGNED_DECL_COMMON): Add additional + information to .comm directive. + +2002-04-09 Richard Henderson <rth@redhat.com> + + PR c/5078 + * expr.c (expand_expr) [INTEGER_CST]: Force overflows into registers. + +2002-04-09 Richard Henderson <rth@redhat.com> + + * basic-block.h (flow_delete_block_noexpunge): Declare. + (expunge_block_nocompact): Declare. + * cfg.c (expunge_block_nocompact): Split out from ... + (expunge_block): ... here. + * cfgrtl.c (can_delete_label_p): Don't use exception_handler_labels. + (flow_delete_block_noexpunge): Split out from ... + (flow_delete_block): ... here. + * cfgcleanup.c (delete_unreachable_blocks): Compact while + removing dead blocks. + * except.c (exception_handler_labels): Remove. + (exception_handler_label_map): New. + (struct eh_region): Add aka member. + (mark_ehl_map_entry, mark_ehl_map, free_region): New. + (ehl_hash, ehl_eq, ehl_free, add_ehl_entry): New. + (for_each_eh_label, for_each_eh_label_1): New. + (init_eh): Register exception_handler_label_map. + (free_eh_status): Use free_region. + (find_exception_handler_labels): Use the map, not the list. + (remove_exception_handler_label): Likewise. + (maybe_remove_eh_handler): Likewise. + (remove_eh_handler): Use the region aka bitmap. + * except.h (exception_handler_labels): Remove. + (for_each_eh_label): Declare. + * jump.c (rebuild_jump_labels): Don't check exception_handler_labels. + * loop.c (invalidate_loops_containing_label): New. + (find_and_verify_loops): Use it. Use for_each_eh_label. + * sched-rgn.c (is_cfg_nonregular): Use + current_function_has_exception_handlers. + +2002-04-09 Richard Henderson <rth@redhat.com> + + * sbitmap.c (sbitmap_union_of_diff, sbitmap_a_and_b, sbitmap_a_xor_b, + sbitmap_a_or_b, sbitmap_a_or_b_and_c, sbitmap_a_and_b_or_c): + Do not return changed status. + (sbitmap_union_of_diff_cg, sbitmap_a_and_b_cg, sbitmap_a_xor_b_cg, + sbitmap_a_or_b_cg, sbitmap_a_or_b_and_c_cg, sbitmap_a_and_b_or_c_cg): + New functions that do return changed status. + * sbitmap.h: Update decls. + * gcse.c, lcm.c: Use _cg functions as needed. + +Tue Apr 9 19:15:57 2002 J"orn Rennecke <joern.rennecke@superh.com> + + * config.gcc (sh-*-elf*): Use sh/embed-elf.h instead of sh/elf.h. + (sh64-*-elf*, sh-*-rtemself*): Likewise. + * config/sh/embed_bb.c: New file. + * config/sh/embed-elf.h: New file. + * sh.h (CPP_SPEC): Supply __SIZE_TYPE__ and __PTRDIFF_TYPE__ + if -m[12345]* option is given. Don't use subtarget_cpp_ptr_spec. + (CPP_DEFAULT_CPU_SPEC): Add settings for __SIZE_TYPE__ and + __PTRDIFF_TYPE__ . + (SUBTARGET_CPP_PTR_SPEC): Don't define. + (EXTRA_SPECS): Remove subtarget_cpp_ptr_spec. + Add subtarget_asm_endian_spec. + (ASM_SPEC): Use subtarget_asm_endian_spec. + (SUBTARGET_ASM_ENDIAN_SPEC): Define. + (RETURN_ADDR_RTX): Use PR_MEDIA_REG for TARGET_SH5. + (WCHAR_UNSIGNED): Define. + (SH_ELF_WCHAR_TYPE, SH_DBX_REGISTER_NUMBER): Define. + (DBX_REGISTER_NUMBER): Use SH_DBX_REGISTER_NUMBER. + (ALLOCATE_INITIAL_VALUE): Use PR_MEDIA_REG for TARGET_SH5. + Fix value. + * sh.c (calc_live_regs): Use PR_MEDIA_REG for TARGET_SH5. + (sh_adjust_cost): Likewise. + sh64.h (CPP_DEFAULT_CPU_SPEC): Add settings for __SIZE_TYPE__ and + __PTRDIFF_TYPE__ . + (SUBTARGET_CPP_PTR_SPEC, WCHAR_TYPE): Don't #undef/ #define. + (WCHAR_TYPE_SIZE): Likewise. + (ASM_SPEC): Use subtarget_asm_endian_spec. + (SH_ELF_WCHAR_TYPE): #undef/ #define. + (MAX_WCHAR_TYPE_SIZE): Don't #undef. + * config/sh/elf.h (WCHAR_UNSIGNED): #undef . + (MAX_WCHAR_TYPE_SIZE): Don't #define . + (WCHAR_TYPE, WCHAR_TYPE_SIZE): #undef / #define . + (USER_LABEL_PREFIX): Don't #undef /#define . + (DBX_REGISTER_NUMBER): Use SH_DBX_REGISTER_NUMBER. + * config/elf/linux.h (USER_LABEL_PREFIX): Don't #undef /#define . + (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE, WCHAR_TYPE_SIZE): Likewise. + (ASM_SPEC): Likewise. + (SUBTARGET_ASM_ENDIAN_SPEC): #undef / #define . + (CC1_SPEC): don't supply -m3 for -m4*, -m5*. + * t-sh: (LIB1ASMFUNCS): Use LIB1ASMFUNCS_CACHE. + (LIB2FUNCS_EXTRA): Define. + * t-sh64 (LIB2FUNCS_EXTRA): Define. + * config/sh/t-linux (LIB1ASMFUNCS): Don't redefine. + (LIB1ASMFUNCS_CACHE): Define. + (LIB2FUNCS_EXTRA): Redefine empty. + +2002-04-08 Richard Henderson <rth@redhat.com> + + * reorg.c (get_branch_condition): Use reversed_comparison_code. + +2002-04-09 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/larith.asm (__map_data_section): Fix condition + and optimize for size. + (__do_global_ctors): Fix pointer comparison. + (__do_global_dtors): Likewise. + +2002-04-09 David S. Miller <davem@redhat.com> + + * config/sparc/sparc.c (sparc_extra_constraint_check): New + function, implementing EXTRA_CONSTRAINTS. For memory constraints, + allow reloading pseudos. + * config/sparc/sparc.h (EXTRA_CONSTRAINTS): Use it. + * config/sparc/sparc-protos.h: Declare it. + + * config/sparc/sparc.c (const64_is_2insns): Kill signed vs. + unsigned comparison warning. + (output_restore_regs): Mark leaf_function as unused. + +Tue Apr 9 09:35:45 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (is_aligning_offset): New function. + (expand_expr, case COMPONENT_EXPR): Call it. + +2002-04-08 David S. Miller <davem@redhat.com> + + PR target/6082 + * config/sparc/freebsd.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDLOW + + Make init_priority work on SPARC when using GNU ld. + * config/sparc/linux.h, config/sparc/linux64.h, + config/sparc/netbsd-elf.h, config/sparc/freebsd.h + (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Undefine. + * config/sparc/sol2-gld.h: New file to do the same. + * config.gcc (sparc*-*-solaris2*): If gnu_ld=yes add + sparc/sol2-gld.h to tm_file. + + PR optimization/4328 + * config/sparc/sparc.h (EXTRA_CONSTRAINT): Add new constraint 'W'. + * doc/md.texi: Document it. + * config/sparc/sparc.md (movdi_insn_sp64_novis, + movdi_insn_sp64_vis, movdf_insn_sp32, movdf_insn_v9only_novis, + movdf_insn_v9only_vis, movdf_insn_sp64_novis, + movdf_insn_sp64_vis): Use it as MEM constraing with 'e' registers. + * config/sparc/sparc.c (mem_min_alignment): Fix comment. + +2002-04-08 Andreas Jaeger <aj@suse.de> + + * stmt.c (expand_asm_operands): Revert last patch from Richard + Henderson. + +2002-04-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/contrib.texi (Contributors): Add John David Anglin and Loren + J. Rittle (the latter also to Testers). Update David O'Brien's entry. + +2002-04-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/contrib.texi (Contributors): Add David O'Brien. + +2002-04-08 Alan Modra <amodra@bigpond.net.au> + + * configure.in (auto-build.h): Use target_alias and build_alias + when running configure. + (gcc_cv_as, gcc_cv_ld): Search install paths when build != host too. + (gcc_cv_nm, gcc_cv_objdump): Set for build != host too. + * configure: Regenerate. + +2002-04-07 David S. Miller <davem@redhat.com> + + * config.gcc (sparc64-*-linux*): Add t-crtfm to tmake_file. + +2002-04-07 John David Anglin <dave@hiauly1.hia.nrc.ca> + + PR 5933 + * pa.h (ASM_OUTPUT_MI_THUNK): Use indirect jump to target function when + generating 32-bit pic code. + +2002-04-06 Jason Thorpe <thorpej@wasabisystems.com> + + * cppinit.c (cpp_create_reader): Initialize + discard_comments_in_macro_exp. + (COMMAND_LINE_OPTIONS): Add "-CC" option. + (cpp_handle_option): Handle "-CC" option. + * cpplex.c (save_comment): If saving a C++ comment in + a directive, convert it to a C comment. + (_cpp_lex_direct): Pass second comment start character to + save_comment to indicate comment type. + * cpplib.c (_cpp_handle_directive): If processing + a "#define" directive and discard_comments_in_macro_exp + is false, re-enable saving of comments. + (lex_macro_node): If discard_comments_in_macro_exp is false, + discard any comments before the macro identifier. + * cpplib.h (struct cpp_options): Add discard_comments_in_macro_exp + member. + * cppmacro.c (cpp_get_token): If expanding a macro while + processing a directive, discard any comments we might encounter. + (parse_params): If discard_comments_in_macro_exp is false, + ignore comments in the macro parameter list. + * gcc.c (cpp_unique_options): Add "-CC" option. + (option_map): Map "--comments-in-macros" to "-CC". + * doc/cppopts.texi: Document "-CC" option. + * f/lang-specs.h: Add "-CC" option. + * testsuite/gcc.dg/cpp/maccom1.c: New test. + * testsuite/gcc.dg/cpp/maccom2.c: New test. + * testsuite/gcc.dg/cpp/maccom3.c: New test. + * testsuite/gcc.dg/cpp/maccom4.c: New test. + * testsuite/gcc.dg/cpp/maccom5.c: New test. + * testsuite/gcc.dg/cpp/maccom6.c: New test. + +2002-04-06 John David Anglin <dave@hiauly1.hia.nrc.ca> + + PR middle-end/6180 + * reorg.c (dbr_schedule): Don't reposition prologue and epilogue notes. + +2002-04-06 Mark Mitchell <mark@codesourcery.com> + + PR c++/5571 + * stor-layout.c (layout_decl): Reset the RTL for the decl. + + PR opt/5120 + * sibcall.c (optimize_sibling_and_tail_recursive_call): Clear + RTX_UNCHANGING_P for the functions arguments when a tail call + is made. + +2002-04-06 Jason Merrill <jason@redhat.com> + + * toplev.c (flag_no_inline, flag_really_no_inline): Default to 2. + (parse_options_and_default_flags): Set them appropriately. + * c-common.c (c_common_post_options): Don't set flag_really_no_inline. + +2002-04-06 Hans-Peter Nilsson <hp@bitrange.com> + + * config/mmix/t-mmix (TARGET_LIBGCC2_CFLAGS): Don't -Dinhibit_libc + here. + + * config/mmix/mmix.h (INITIAL_ELIMINATION_OFFSET): Remove spurious + semicolon. + + * config/mmix/mmix.c (mmix_expand_builtin_va_arg): Variable-size + types come in by-reference. Fix typo in comment. + +2002-04-05 David S. Miller <davem@redhat.com> + + * config/sparc/freebsd.h (ENDFILE_SPEC): Add crtfastmath bits. + * config.gcc (sparc64-wrs-vxworks, sparc-*-chorusos, + sparc-*-rtems*, sparclite-*-elf* sparc86x-*-elf*, sparc64-*-elf*, + {sparc64,ultrasparc}-*-freebsd*): Add sparc/t-crtfm to tmake_file. + +2002-04-05 David S. Miller <davem@redhat.com> + + * config/sparc/sparc.c (sparc_nonflat_function_epilogue): If we + are not going to emit return instructions, emit at least a nop + for the sake of sane backtraces. + +2002-04-05 Richard Henderson <rth@redhat.com> + + * doc/rtl.texi (Regs and Memory): Document (mem:BLK (scratch)). + +2002-04-05 Jakub Jeilnek <jakub@redhat.com> + + * mklibgcc.in: Use $tmpmapfile, not tmp-$@. + +2002-04-05 Alexandre Oliva <aoliva@redhat.com> + + * config/mips/mips.h (ISA_HAS_BRANCHLIKELY, ISA_HAS_CONDMOVE, + ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB, + ISA_HAS_CLZ_CLO, ISA_HAS_DCLZ_DCLO): Disable if TARGET_MIPS16. + +2002-04-05 Andreas Schwab <schwab@suse.de> + + * c-convert.c: Include c-common.h. + * Makefile.in (c-convert.o): Updated. + +2002-04-05 Jakub Jelinek <jakub@redhat.com> + + * mklibgcc.in: Use separate libgcc.map for each multilib. + * Makefile.in (distclean): Don't remove libgcc.map here. + +2002-04-05 Jakub Jelinek <jakub@redhat.com> + + * Makefile.in (s-mlib): Handle --disable-multilib by separate + genmultilib invocation. + +2002-04-04 Richard Sandiford <rsandifo@redhat.com> + + * config/mips/mips.h (CUMULATIVE_ARGS): Rename fp_regs to num_fprs + to avoid clash with Irix header file sys/ucontext.h. Rename gp_regs + to num_gprs for symmetry. + * config/mips/mips.c: Adjust accordingly. + +2002-04-04 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-common.c (truthvalue_conversion): Rename, update. + * c-common.h (c_common_truthvalue_conversion): New. + * c-convert.c (convert): Update. + * c-lang.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Redefine. + * c-parse.in (expr_no_commas, if_prefix, select_or_iter_stmt): Update. + * c-typeck.c (build_binary_op, build_unary_op, + build_conditional_expr): Update. + * fold-const.c (constant_boolean_node, fold): Use langhook. + * langhooks-def.h (LANGHOOK_INITIALIZER): Update. + * langhooks.h (struct lang_hooks): New hook. + * stmt.c (expand_decl_cleanup): Use langhook. + * tree.h (truthvalue_conversion): Remove. +objc: + * objc-lang.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Redefine. + +2002-04-05 Alan Modra <amodra@bigpond.net.au> + + * config/rs6000/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtsavres.o + Add rules to make null object file. + +2002-04-04 Jim Blandy <jimb@redhat.com> + + * cppmacro.c (cpp_macro_definition): Do not emit spaces after + macro formal parameter names. + +2002-04-04 David S. Miller <davem@redhat.com> + + * calls.c (store_one_arg): If ECF_SIBCALL, use tail_call_reg. + +2002-04-04 Richard Henderson <rth@redhat.com> + + PR middle-end/5099 + * stmt.c (expand_asm_operands): Validate outputs vs asm_operand_ok. + Support copies into and out of memory. Don't accept allows_reg + and allows_mem as gospel. + +2002-04-04 Richard Henderson <rth@redhat.com> + + PR opt/6165 + * alias.c (true_dependence): Force (mem:blk (scratch)) to conflict. + (write_dependence_p): Likewise. + +2002-04-04 Richard Henderson <rth@redhat.com> + + * predict.c (estimate_bb_frequencies): Do frequency calculation + with a volatile temporary. + +2002-04-04 Ulrich Weigand <uweigand@de.ibm.com> + + * config/s390/linux.h (LOCAL_LABEL_PREFIX): Define. + +2002-04-04 Jakub Jelinek <jakub@redhat.com> + + PR c++/6119 + * final.c (final_start_function): Don't bump profile_label_no here... + (final_end_function): ...but here. + +2002-04-04 Jakub Jelinek <jakub@redhat.com> + + * config/sparc/sparc.md (pic): New attribute. + (do_builtin_setjmp_setup): Save %fp, %i7 and %l7 for TARGET_V9 + into stack slots. + (split after do_builtin_setjmp_setup): New. + +2002-04-04 Jakub Jelinek <jakub@redhat.com> + + PR fortran/6106 + * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Backout 2001-01-01 + change. + +2002-04-04 Jakub Jelinek <jakub@redhat.com> + + * config/sparc/sparc.c (sparc_va_arg): Adjust va_list by + UNITS_PER_WORD for zero sized aggregates. + +2002-04-03 David S. Miller <davem@redhat.com> + + * gcc.c (LINK_GCC_C_SEQUENCE_SPEC): No need for a new + one-character spec for this, just use %(link_gcc_c_sequence). + +2002-04-03 David S. Miller <davem@redhat.com> + + * config/sparc/crtfastmath.c (FPRS_NS): Delete bogus little-endian + handling. + +2002-04-03 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa-linux.h (INCOMING_RETURN_ADDR_RTX): Move. + (DWARF_FRAME_RETURN_COLUMN): Move. + (ASM_PREFERRED_EH_DATA_FORMAT): Define. + (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Define. + * pa.c (except.h, predict.h): Include. + (FRP): Delete. + (store_reg_modify, set_reg_plus_d): Revise prototypes. + (output_ascii): Add cast. + (store_reg_modify): Revise to add frame notes. + (set_reg_plus_d): Likewise. + (compute_frame_size): Include space for eh data registers in frame if + the current function calls eh_return. + (hppa_expand_prologue): Ensure register %r2 is saved if the current + function calls eh_return. Save eh data registers if the current + function calls eh_return. Fix code to add frame notes. Emit + blockage to prevent insns with frame notes being scheduled in the + delay slot of calls. + (hppa_expand_epilogue): Restore eh data registers and do final stack + adjustment if the current function calls eh_return. Don't add frame + notes. + (output_call): Revise for change in length of call insn. Don't do + return pointer adjustment for an unconditional jump in the delay slot + of a call when using frame notes. + * pa.h (EH_RETURN_DATA_REGNO): Revise for TARGET_64BIT compatibility. + (EH_RETURN_HANDLER_RTX): Use saved value on stack. + (ARG_POINTER_CFA_OFFSET): Define. + * pa.md (return_external_pic): New pattern. + (prologue): Correct formatting. Use return_external_pic if current + function calls eh_return. + (call_internal_symref, call_value_internal_symref, + sibcall_internal_symref, sibcall_value_internal_symref): Change default + lengths of short, long non-pic, and long pic calls to 8, 68, and 84, + respectively. + (exception_receiver): Use hppa_pic_save_rtx () to restore pic register. + + * configure.in ("assembler dwarf2 debug_line support"): Add hppa*-*-* to + list of targets to check using "nop" insn. + * configure: Rebuilt. + +2002-04-04 Alan Modra <amodra@bigpond.net.au> + + * config/rs6000/t-linux64 (EXTRA_MULTILIB_PARTS): Define. + +2002-04-03 David S. Miller <davem@redhat.com> + + * gcc.c (LINK_GCC_C_SEQUENCE_SPEC): New spec to override the gcc/c + library sequence passed to the linker. + (LINK_COMMAND_SPEC): Use it. + * doc/tm.texi: Document it, and mention from LINK_COMMAND_SPEC as + a macro a target can use to avoid overriding LINK_COMMAND_SPEC. + * config/sparc/sparc.h (LINK_GCC_C_SEQUENCE_SPEC): Define. + +2002-04-03 Jason Merrill <jason@redhat.com> + + * except.c (struct eh_status): Remove protect_list. + (begin_protect_partials, end_protect_partials): Remove. + (add_partial_entry): Remove. + * except.h: Remove prototypes. + + * expr.c (expand_expr) [WITH_CLEANUP_EXPR, TARGET_EXPR]: Use + expand_decl_cleanup_eh. + + PR c++/5636 + * tree.h (CLEANUP_EH_ONLY): New macro. + * stmt.c (expand_decl_cleanup_eh): New fn. + (expand_cleanups): Check CLEANUP_EH_ONLY. + * c-semantics.c (genrtl_decl_cleanup): Just take the CLEANUP_STMT. + Use expand_decl_cleanup_eh. + (expand_stmt): Adjust. + * c-common.h: Adjust prototype. + +2002-04-04 Hans-Peter Nilsson <hp@axis.com> + + * config/cris/cris.c (cris_target_asm_function_prologue): Cast + uses of PIC_OFFSET_TABLE_REGNUM to int to silence warnings. + (cris_target_asm_function_epilogue): Ditto. + (cris_initial_frame_pointer_offset): Ditto. + (cris_simple_epilogue): Ditto. + (cris_expand_builtin_va_arg): Variable-size types come in + by-reference. + +2002-04-03 David S. Miller <davem@redhat.com> + + * config/sparc/crtfastmath.c (FPRS_NS): Get it right for + little-endian. + (set_fast_math): Correct 'fsr' type. + +2002-04-03 Richard Henderson <rth@redhat.com> + + PR opt/3569 + * langhooks.h (lang_hooks.decls.warn_unused_global): New. + * toplev.c (check_global_declarations): Use it. + * langhooks-def.h (lhd_warn_unused_global_decl): Declare. + (LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL): New. + (LANG_HOOKS_DECLS): Add it. + * langhooks.c (lhd_warn_unused_global_decl): New. + * c-decl.c (LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL): New. + * c-objc-common.c (c_warn_unused_global_decl): New. + * c-tree.h (c_warn_unused_global_decl): Declare. + * objc/objc-lang.c (LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL): New. + +2002-04-03 Neil Booth <neil@daikokuya.demon.co.uk> + + * langhooks-def.h (lhd_set_decl_assembler_name, + LANG_HOOKS_SET_DECL_ASSEMBLER_NAME): New. + (LANG_HOOKS_INITIALIZER): Update. + * langhooks.c (lhd_set_decl_assembler_name): New, from tree.c + * langhooks.h (struct lang_hooks): New hook. + * tree.c (set_decl_assembler_name): Move to langhooks.c. + (lang_set_decl_assembler_name): Remove. + (init_obstacks): Don't set hook. + (decl_assembler_name): New function. + * tree.h (DECL_ASSEMBLER_NAME): Turn into a function call. + (decl_assembler_name): New. + (lang_set_decl_assembler_name): Remove. + +2002-04-03 Jakub Jelinek <jakub@redhat.com> + + * configure.in (HAVE_SPARC_UA_PCREL_HIDDEN): Test whether %r_disp32() + works properly with .hidden symbols. + * configure: Rebuilt. + * config.in: Rebuilt. + * config/sparc/sparc.h (ASM_PREFERRED_EH_DATA_FORMAT): Use + DW_EH_PE_absptr for flag_pic && GLOBAL if %r_disp32() doesn't work + properly with .hidden symbols. + +2002-04-03 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/6102 + * df.c (df_insn_refs_record): Use XEXP not SET_DEST to access + USE argument. + +2002-04-03 Richard Henderson <rth@redhat.com> + + PR opt/4120 + * sched-rgn.c (sets_likely_spilled): New. + (sets_likely_spilled_1): New. + (add_branch_dependences): Use it. + +2002-04-02 Richard Henderson <rth@redhat.com> + + PR opt/4311 + * loop.h (LOOP_FIRST_PASS): New. + * loop.c (strength_reduce): Mind it when deciding to unroll. + * toplev.c (rest_of_compilation): Set it. + +2002-04-02 David S. Miller <davem@redhat.com> + + * config/sparc/sparc.md (ldd peephole2s): Fix final arg to + mems_ok_for_ldd_peep when the order of the loads being examined + is reversed. + * config/sparc/sparc.c (mems_ok_for_ldd_peep): Expand upon + existing comment to increase comprehension of this situation. + +2002-04-02 Zack Weinberg <zack@codesourcery.com> + + * config/sh/sh.md: Don't use union real_extract. + +2002-04-02 Richard Henderson <rth@redhat.com> + + * libgcc2.c (__bb_exit_func): Revert 03-31 change. + +2002-04-02 David O'Brien <obrien@FreeBSD.org> + + * config.gcc (i386-dg-dgux, i386-go32-msdos , i386-go32-rtems, + i386-ibm-aix, i386-moss-msdos, i386-ncr-sysv4, i386-next-, + i386-pc-msdosdjgpp, i386-sequent-bsd, i386-sequent-ptx1, + i386-sequent-ptx2, i386-sequent-ptx4, i386-sun-sunos, + i386-wrs-vxworks, i386-*-aout, i386-*-beoself, i386-*-bsd, + i386-*-bsdi, i386-*-chorusos, i386-*-coff, i386-*-elf, + i386-*-freebsd5, i386-*-freebsd-aout, i386-*-gnu, i386-*-interix, + i386-*-interix3, i386-*-isc, i386-*-linux, i386-*-linuxaout, + i386-*-linuxoldld, i386-*-lynxos, i386-*-mach, i386-*-mingw32, + i386-*-netbsd, i386-*-netbsdelf, i386-*-netware, i386-*-openbsd, + i386-*-osf1, i386-*-osfrose, i386-*-pe , i386-*-rtems, + i386-*-rtemscoff, i386-*-sco3.2v5, i386-*-solaris2, i386-*-sysv, + i386-*-sysv4, i386-*-sysv5, i386-*-udk, i386-*-uwin, i386-*-vsta, + i386-*-win32, x86_64-*-freebsd5, x86_64-*-linux, x86_64-*-netbsd): + Include as many configury headers via tm_file as possible. This + includes among others i386/unix.h, i386/bsd.h, i386/gas.h. + * config/openbsd-oldgas.h: New file. + * config/i386/386bsd.h, config/i386/aix386ng.h, config/i386/att.h, + config/i386/bsd.h, config/i386/djgpp.h, config/i386/freebsd-aout.h, + config/i386/gas.h, config/i386/gstabs.h, config/i386/i386-aout.h, + config/i386/i386-coff.h, config/i386/i386-interix.h, + config/i386/iscdbx.h, config/i386/linux-aout.h, + config/i386/linux-oldld.h, config/i386/lynx-ng.h, config/i386/lynx.h, + config/i386/mach.h, config/i386/netbsd.h, config/i386/next.h, + config/i386/openbsd.h, config/i386/osfelf.h, config/i386/osfrose.h, + config/i386/sco5.h, config/i386/seq-gas.h, config/i386/seq-sysv3.h, + config/i386/seq2-sysv3.h, config/i386/sequent.h, config/i386/sun.h, + config/i386/sun386.h, config/i386/svr3dbx.h, config/i386/svr3gas.h, + config/i386/sysv3.h, config/i386/uwin.h, config/i386/vsta.h, + config/i386/vxi386.h: Do not directly include configury headers. + * config/i386/cygwin.h, config/i386/djgpp.h, config/i386/win32.h: + Directly include configury headers that are no longer automatically + included by the above headers. + * config/i386/att.h, config/i386/bsd.h (TARGET_VERSION): Do not define. + * config/i386/386bsd.h, config/i386/aix386ng.h, config/i386/cygwin.h, + config/i386/djgpp.h, config/i386/i386-aout.h, config/i386/i386-coff.h, + config/i386/lynx-ng.h, config/i386/lynx.h, config/i386/mach.h, + config/i386/netbsd.h, config/i386/openbsd.h, config/i386/rtems.h, + config/i386/seq-sysv3.h, config/i386/sequent.h, config/i386/svr3gas.h, + config/i386/sysv3.h, config/i386/vsta.h, config/i386/vxi386.h + (TARGET_VERSION): Define. + * config/i386/beos-elf.h, config/i386/freebsd.h, + config/i386/i386-interix.h, config/i386/i386elf.h, config/i386/linux.h, + config/i386/linux64.h, config/i386/netbsd-elf.h, config/i386/netbsd64.h, + config/i386/osfelf.h, config/i386/osfrose.h, config/i386/ptx4-i.h, + config/i386/sco5.h, config/i386/sysv4.h + (TARGET_VERSION): Do not need to protect. + * config/i386/freebsd64.h (TARGET_VERSION): Fix style. + * config/i386/386bsd.h, config/i386/cygwin.h, config/i386/djgpp.h, + config/i386/freebsd-aout.h, config/i386/i386-aout.h, + config/i386/i386-interix.h, config/i386/linux-aout.h, + config/i386/linux-oldld.h, config/i386/mach.h, config/i386/netbsd.h, + config/i386/openbsd.h, config/i386/vsta.h, config/i386/win32.h + (YES_UNDERSCORES): Do not define - not needed. + * config/i386/bsd.h, config/i386/gas.h (LPREFIX, + ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL, + USER_LABEL_PREFIX): Do not handle the "NO_UNDERSCORES" case. + * config/i386/i386-coff.h, config/i386/lynx.h, config/i386/lynx-ng.h + (LPREFIX, ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL, + USER_LABEL_PREFIX): Define. (handles the "NO_UNDERSCORES" case) + * config/i386/isc.h: Preserve comment from config/i386/isccoff.h. + * config/i386/isccoff.h, config/i386/v3gas.h: Remove. + +2002-04-02 Eric Botcazou <ebotcazou@multimania.com> + Richard Henderson <rth@redhat.com> + + PR c/5484 + * function.c (assign_temp): Accept either type or decl argument. + Detect variables whose size is too large to fit into an integer. + * stmt.c (expand_decl): Pass the decl, not the type. + +2002-04-02 David O'Brien <obrien@FreeBSD.org> + + * protoize.c: Match include directory usage with cppdefault.c. + +2002-04-03 Jeffrey A Law (law@redhat.com) + Hans-Peter Nilsson <hp@bitrange.com> + + * combine.c (simplify_comparison): Avoid narrowing a comparison + with a paradoxical subreg when doing so would drop signficant bits. + +2002-04-02 Steve Ellcey <sje@cup.hp.com> + + * builtins.c (expand_builtin_prefetch): Force op0 pointer to Pmode + if POINTERS_EXTEND_UNSIGNED is defined. + +2002-04-02 Richard Henderson <rth@redhat.com> + + PR opt/3967 + * local-alloc.c (contains_replace_regs): LO_SUM may contain + replace regs. + +2002-04-02 Richard Henderson <rth@redhat.com> + + * doc/standards.texi: Document required freestanding libc entry points. + +2002-04-02 Alan Modra <amodra@bigpond.net.au> + + * config/rs6000/rs6000.md (ctrdi*): Add FPR constraint and + associated splitter. Remove MQ constraint. + (ctrdi_internal4): Correct CCmode clobber. + +2002-04-02 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * milli64.S ($$dyncall): New function. + * t-linux (LIB1ASMFUNCS): Revise module list. + (LIB1ASMSRC): Use pa/milli64.S. + +2002-04-02 Richard Henderson <rth@redhat.com> + + * fixinc/inclhack.def (AAB_solaris_sys_varargs_h): Move and + rename solaris_sys_varargs_h. + +Tue Apr 2 06:47:40 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * stor-layout.c (layout_type, case ARRAY_TYPE): Give one-element array + the same mode as its component. + +2002-04-02 Richard Henderson <rth@redhat.com> + + PR opt/190 + * final.c (this_is_asm_operands): Export. + * output.h (this_is_asm_operands): Declare. + * config/i386/i386.c (print_operand): Error odd asm operands. + +2002-04-02 Richard Henderson <rth@redhat.com> + + PR opt/420 + * config/m68k/m68k.md (dbcc peepholes): Match four forms of dbra. + +2002-04-01 Richard Henderson <rth@redhat.com> + + PR target/1538 + * fixinc/inclhack.def (solaris_sys_varargs_h): New. + * fixinc/fixincl.x: Rebuild. + +2002-04-01 Richard Henderson <rth@redhat.com> + + * config/ia64/unwind-ia64.c: Include ia64intrin.h. + (atomic_alloc, atomic_free): New. + (SIZE, MASK_FOR, PTR_IN): New. + (emergency_reg_state, emergency_reg_state_free): New. + (emergency_labeled_state, emergency_labeled_state_free): New. + (reg_state_alloced, labeled_state_alloced): New. + (alloc_reg_state, free_reg_state): New. + (alloc_label_state, free_label_state, free_label_states): New. + (push, pop, dup_state_stack, free_state_stack): Use them. + (desc_label_state): Likewise. + (uw_frame_state_for): Free label states and state stack. + (uw_update_reg_address): Eliminate warnings. + +2002-04-01 Vladimir Makarov <vmakarov@redhat.com> + + * config/pa/pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON, + ASM_OUTPUT_ALIGNED_LOCAL): Redefine them. + +2002-04-01 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-decl.c (grokdeclarator): Update. + * c-lang.c (LANG_HOOKS_MARK_ADDRESSABLE): Redefine. + * c-tree.h (c_mark_addressable): New. + * c-typeck.c (default_function_array_conversion, build_unary_op, + build_array_ref, convert_for_assignment): Update. + (mark_addressable): Rename. + * calls.c (try_to_integrate, expand_call): Use langhook. + * expr.c (expand_expr): Use langhook. + * langhooks-def.h (LANG_HOOKS_INITIALIZER): Update. + * langhooks.h (struct lang_hooks): New hook. + * stmt.c (expand_asm_operands): Use langhook. + * tree.h (mark_addressable): Remove. +objc: + * objc-lang.c (LANG_HOOKS_MARK_ADDRESSABLE): Redefine. + +2002-04-01 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.c (xtensa_va_arg): Fix compiler warning + in previous change. + +2002-04-01 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.c (xtensa_va_arg): Fix to handle arguments + for which MUST_PASS_IN_STACK is true (e.g., variable-sized types). + +2002-04-01 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-common.c (unsigned_conversion_warning, convert_and_check, + unsigned_type, signed_type, shorten_compare, + c_common_get_alias_set, c_common_nodes_and_builtins): Use new hooks. + (unsigned_type, signed_type, signed_or_unsigned_type): Rename. + * c-common.h (unsigned_type, signed_type, signed_or_unsigned_type): + New. + * c-decl.c (grokdeclarator): Update. + * c-format.c (check_format_types): Update. + * c-lang.c (LANG_HOOKS_SIGNED_TYPE, LANG_HOOKS_UNSIGNED_TYPE, + LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): New. + * c-typeck.c (build_binary_op, convert_for_assignment): Update. + * convert.c (convert_to_integer): Use new hooks. + * expmed.c (make_tree): Use new hooks. + * expr.c (store_expr): Use new hooks. + * fold-const.c (operand_equal_for_comparison_p, build_range_check, + all_ones_mask_p, unextend, fold): Use new hooks. + * langhooks.h (struct lang_hooks_for_types): New hooks. + * tree.h (signed_or_unsigned_type, signed_type, + unsigned_type): Remove. +objc: + * objc-lang.c (LANG_HOOKS_SIGNED_TYPE, LANG_HOOKS_UNSIGNED_TYPE, + LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): New. + +2002-03-31 Richard Henderson <rth@redhat.com> + + * config/ia64/unwind-ia64.c (alloc_spill_area): Fix offset. + (desc_frgr_mem): Fix reference to f16-f31. + +2002-03-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * rtl.h (RTL_CHECK1, RTL_CHECK2, RTL_CHECKC1, RTL_CHECKC2, + RTVEC_ELT): Const-ify. + * varray.h (VARRAY_CHECK): Const-ify. + * ggc.h (ggc_mark_rtx, ggc_mark_tree, ggc_mark_nonnull_tree, + ggc_mark_rtvec, ggc_mark): Const-ify. + +2002-04-01 Neil Booth <neil@daikokuya.demon.co.uk> + + * diagnostic.c: Include langhooks-def.h. + * Makefile.in (diagnostic.o): Update. + +2002-03-31 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-common.c (c_unsafe_for_reeval): Rename. + * c-common.h (c_unsafe_for_reeval): Rename. + * c-decl.c (finish_incomplete_decl): Rename. + (c_init_decl_processing): Don't set langhook. + * c-lang.c (LANG_HOOKS_FINISH_INCOMPLETE_DECL, + LANG_HOOKS_UNSAFE_FOR_REEVAL): Redefine. + * c-objc-common.c (c_objc_common_init): Don't set langhook. + * c-tree.h (finish_incomplete_decl): Rename. + * langhooks-def.h (lhd_unsafe_for_reeval): New. + (LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL): New. + (LANG_HOOKS_INITIALIZER): Update. + * langhooks.c (lhd_unsafe_For_reeval): New. + * langhooks.h (struct langhooks): New hooks. + * toplev.c (incomplete_decl_finalize_hook): Remove. + (wrapup_global_declarations): Update. + * tree.c (lang_unsafe_for_reeval): Remove. + (unsafe_for_reeval): Update. + * tree.h (lang_unsafe_for_reeval, incomplete_decl_finalize_hook): + Remove. +objc: + * objc-lang.c (LANG_HOOKS_FINISH_INCOMPLETE_DECL, + LANG_HOOKS_UNSAFE_FOR_REEVAL): Redefine. + +2002-03-31 Neil Booth <neil@daikokuya.demon.co.uk> + + * diagnostic.c (print_error_function): Remove. + (default_print_error_function): Rename. + (report_error_function): Update. + * diagnostic.h (print_error_function): Remove. + (default_print_error_function): Remove. + * langhooks-def.h (struct diagnostic_context): Predeclare. + (lhd_print_error_function, LANG_HOOKS_PRINT_ERROR_FUNCTION): New. + (LANG_HOOKS_INITIALIZER): Update. + * langhooks.h (struct diagnostic context): Predeclare. + (struct lang_hooks): New hook. + +2002-03-31 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * config/rs6000/rs6000.h (RS6000_PIC_OFFSET_TABLE_REGNUM): New. + (PIC_OFFSET_TABLE_REGNUM): Use it and return INVALID_REGNUM if + !flag_pic. + (CONDITIONAL_REGISTER_USAGE): Adjust accordingly. + * config/rs6000/rs6000.h: Use RS6000_PIC_OFFSET_TABLE_REGNUM instead + of PIC_OFFSET_TABLE_REGNUM thruout. + * config/rs6000/rs6000.md: Likewise. + * config/rs6000/darwin.h: Likewise. + +Sun Mar 31 14:43:24 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * emit-rtl.c (adjust_address_1, offset_address): Cast value to + unsigned HOST_WIDE_INT, not unsigned int. + +2002-03-31 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/6096, middle-end/6098, middle-end/6099 + * reorg.c (emit_delay_sequence): Only increment LABEL_NUSES for + CODE_LABELs. + (fill_slots_from_thread): Likewise. + +2002-03-31 Jakub Jelinek <jakub@redhat.com> + + * config/sparc/sparc.c (function_arg_record_value_1): Pass complex + floating fields in float regs. + (function_arg_record_value_2): Likewise. + +2002-03-31 Hans-Peter Nilsson <hp@bitrange.com> + + * config/mmix/mmix.md (define_constants): Remove misleading + FIXME. Add MMIX_fp_rO_OFFSET. + ("nonlocal_goto_receiver"): Don't have stack-frame address of + saved rO as part of the pattern. Remove FIXME. + ("*nonlocal_goto_receiver_expanded"): Similar. Generate address + here, at output-time. + +2002-03-31 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/6100 + * config/sparc/sparc.c (output_cbranch): Use REG_BR_PROB, not + REG_BR_PRED. + (output_v9branch): Likewise. + +2002-03-31 Alexandre Oliva <aoliva@redhat.com> + + * gcc.c: Revert previous patch for now. + * config/i386/djgpp.h: Likewise. + +2002-03-31 Hans-Peter Nilsson <hp@bitrange.com> + + * config/mmix/crti.asm (_init): Register _fini with atexit. + * config/mmix/crtn.asm (_fini): Add omitted "POP 0,0". + +2002-03-31 Richard Henderson <rth@redhat.com> + + PR target/3997 + * config/alpha/elf.h (ASM_OUTPUT_DEF): Tidy. + (ASM_OUTPUT_DEF_FROM_DECLS): New. + +2002-03-31 Richard Henderson <rth@redhat.com> + + * libgcc2.c (__bb_exit_func): Make static. + + * config/alpha/alpha.md (trap): New. + +2002-03-31 Richard Henderson <rth@redhat.com> + + * builtins.c (expand_builtin_va_arg): Give warnings not errors for + promoted argument types; build trap. + (expand_builtin_trap): New. + (expand_builtin): Use it. + * stmt.c (expand_nl_goto_receivers): Likewise. + * expr.h (expand_builtin_trap): Declare. + * libfuncs.h (LTI_abort, abort_libfunc): New. + * optabs.c (init_optabs): Init abort_libfunc. + +2002-03-31 Alexandre Oliva <aoliva@redhat.com> + + * gcc.c (LIBGCC_SPEC): Folded %L and duplicate %G here... + (LINK_COMMAND_SPEC): ... from here. + (init_gcc_specs): Duplicate it here too, omitting + shared_name in the second copy. + (init_spec): Test for duplicate + * config/i386/djgpp.h (LINK_COMMAND_SPEC): Remove `%L %G'. + +2002-03-30 David S. Miller <davem@redhat.com> + + * config/sparc/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define. + * config/sparc/linux64.h (HANDLE_PRAGMA_PACK_PUSH_POP): Likewise. + +2002-03-30 Roger Sayle <roger@eyesopen.com> + Richard Henderson <rth@redhat.com> + + * regmove.c (combine_stack_adjustments_for_block): Avoid + emitting a stack adjustment of zero bytes. Let delete_insn + update bb->head. + +2002-03-30 Richard Henderson <rth@redhat.com> + + * config/sparc/sparc.c: Remove all references to TARGET_EPILOGUE. + (sparc_emitting_epilogue): New. + (leaf_label, output_return, sparc_return_peephole_ok): Remove. + * config/sparc/sparc-protos.h: Update. + * config/sparc/sparc.h (MASK_EPILOGUE, TARGET_EPILOGUE): Remove. + (TARGET_SWITCHES): Update. + * config/sparc/sparc.md (return): Remove. + (return_*): Use sparc_emitting_epilogue, not !TARGET_EPILOGUE. + * config/sparc/freebsd.h, config/sparc/linux64.h, config/sparc/lite.h, + config/sparc/liteelf.h, config/sparc/netbsd-elf.h, + config/sparc/sol2-sld-64.h, config/sparc/sol2.h, + config/sparc/sp64-aout.h, config/sparc/sp64-elf.h, + config/sparc/sp86x-aout.h, config/sparc/sp86x-elf.h, + config/sparc/splet.h, config/sparc/vxsparc64.h (TARGET_DEFAULT): + Remove MASK_EPILOGUE. + * doc/invoke.texi: Update. + +2002-03-30 Daniel Berlin <dan@dberlin.org> + + * dwarf2out.c (dwarf2out_define): Remove start_source_file call, + CPP will start the file for us. + +2002-03-30 Richard Henderson <rth@redhat.com> + + PR target/5446 + * config/ia64/ia64.c (group_barrier_needed_p): Special case + prologue_allocate_stack. + (ia64_single_set): Use insn codes for recognition of special + cases, not rtl matching. + * config/ia64/ia64.md (prologue_allocate_stack): Op 3 is in-out. + +Sat Mar 30 23:48:41 CET 2002 Jan Hubicka <jh@suse.cz> + + * cfgbuild.c (find_basic_blocks_1): Clear aux for blocks. + +2002-03-30 Richard Henderson <rth@redhat.com> + + PR target/6032 + * config/sparc/sparc.h (OVERRIDE_OPTIONS): Don't override -fpic + or -fomit-frame-pointer with profiling. + (SUBTARGET_OVERRIDE_OPTIONS): Remove. + (FUNCTION_PROFILER): Do nothing. + (PROFILE_HOOK): New. + * config/sparc/sparc.c (sparc_override_options): Don't check + code models for profiling. + (sparc_function_profiler): Remove. + (sparc_profile_hook): New. + * config/sparc/sparc-protos.h: Update. + +2002-03-30 Jakub Jelinek <jakub@redhat.com> + + PR optimization/6086 + * combine.c (combine_simplify_rtx): If simplify_rtx failed because + of SUBREG of volatile MEM or because the MEM was mode dependent, + return CLOBBER instead of unmodified SUBREG. + +Sat Mar 30 14:08:55 CET 2002 Jan Hubicka <jh@suse.cz> + + * local-alloc.c (local_alloc): Avoid call of update_equiv_regs + when not optimizing. + + * toplev.c (rest_of_compilation): Cann mark_constant_function + only when optimizing. + + * flow.c (calculate_global_regs_live): Ensure that all AUX fields + are NULL. + + * cfgcleanup.c (bb_flags): Add BB_NONTHREADABLE_BLOCK. + (thread_jump): Set BB_NONTHREADABLE_BLOCK, check it. + (try_optimize_cfg): clear all AUX fields. + + * i386.c (aligned_operand): Be prepared for SUBREGed registers. + (ix86_decompose_address): Use REG_P instead of GET_CODE (...) == REG. + (ix86_address_cost): Be prepared for SUBREGed registers. + (legitimate_address_p): Accept SUBREGed registers. + +2002-03-29 Richard Henderson <rth@redhat.com> + + PR target/5672 + * expr.c (expand_expr): Pass along EXPAND_INITIALIZER one more place. + +2002-03-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * config/rs6000/rs6000.c (rs6000_va_arg): Correctly set register count + for aggregate and TFmode types. + +2002-03-29 Hans-Peter Nilsson <hp@bitrange.com> + + * cfg.c (dump_flow_info): Guard against NULL regno_reg_rtx[i]. + +2002-03-29 Richard Henderson <rth@redhat.com> + + PR target/5886 + * config/ia64/aix.h (CPP_PREDEFINES): Add -D_LP64. + * config/ia64/hpux.h, config/ia64/linux.h: Likewise. + +2002-03-29 Richard Henderson <rth@redhat.com> + + PR target/6041 + * config/i386/i386.c (x86_arch_always_fancy_math_387): New. + (override_options): Disable NO_FANCY_MATH_387 if the arch allows. + * config/i386/i386.h (x86_arch_always_fancy_math_387): New. + * config/i386/i386.md (sqrtxf2, sqrtextendsfxf2, sinxf2): Fix + conditional. + * docs/invoke.texi: Update -mno-fancy-math-387 docs. + +2002-03-29 Dale Johannesen <dalej@apple.com> + + * loop.c (combine_movables): Do allow combination of pseudos. + +2002-03-29 Loren J. Rittle <ljrittle@acm.org> + + * config.gcc (*-*-freebsd*): Enable creation of libgcc_s.so. + * config/t-slibgcc-elf-ver (SHLIB_LC): Add macro and use it. + No functional change except ... + * config/t-slibgcc-nolc-override (SHLIB_LC): Override it. New file. + * doc/install.texi (*-*-freebsd*): Document port configuration. + +2002-03-29 Neil Booth <neil@daikokuya.demon.co.uk> + + * Makefile.in (convert.o, calls.o, expmed.o): Update. + * attribs.c (handle_mode_attribute, handle_vector_size_attribute): + Use new hooks. + * builtin-types.def (BT_PTRMODE): Update. + * c-common.c (type_for_size): Rename c_common_type_for_size. + (type_for_mode): Similarly. + (shorten_compare, pointer_int_sum, c_common_nodes_and_builtins): + Use new hook. + * c-bommon.h (c_common_type_for_size, c_common_type_for_mode): New. + * c-decl.c (finish_enum, build_enumerator): Use new hooks. + * c-lang.c (LANG_HOOKS_TYPE_FOR_MODE, LANG_HOOKS_TYPE_FOR_SIZE): + Redefine. + * c-typeck.c (common_type, comptypes, default_conversion): + Use new hooks. + * calls.c: Include langhooks.h. + (emit_library_call_value_1): Use new hooks. Avoid redundant + calls. + * convert.c: Include langhooks.h + (convert_to_pointer, convert_to_integer): Use new hooks. + * except.c (init_eh): Similarly. + * expmed.c: Include langhooks.h. + (expand_mult_add): Use new hooks. + * expr.c (store_expr, store_constructor, expand_expr, do_jump, + try_casesi): Similarly. + * fold-const.c (optimize_bit_field_compare, make_range, + decode_field_reference, fold_truthop, fold): Similarly. + * function.c (assign_stack_local_1, assign_stack_temp_for_type, + put_var_into_stack): Similarly. + * langhooks-def.h (LANG_HOOKS_TYPE_FOR_MODE, + LANG_HOOKS_TYPE_FOR_SIZE): New. + (LANG_HOOKS_TYPES_INITIALIZER): Update. + * langhooks.h (lang_hooks_for_types): New hooks. + * stmt.c (expand_decl_cleanup, emit_case_nodes): Use new hooks. + * tree.c (get_unwidened, get_narrower): Similarly. + * tree.h (type_for_mode, type_for_size): Remove. + * varasm.c (force_const_mem): Use new hooks. + * utils2.c (nonbinary_modular_operation): Update. +objc: + * objc-act.c (handle_impent): Update. + * objc-lang.c (LANG_HOOKS_TYPE_FOR_MODE, LANG_HOOKS_TYPE_FOR_SIaZE): + Redefine. + +2002-03-29 Steve Ellcey <sje@cup.hp.com> + + * config/ia64/ia64.md (*ptr_extend_plus_1, *ptr_extend_plus_2): New. + * config/ia64/ia64.c (basereg_operand): New. + * config/ia64/ia64-protos.h (basereg_operand): Declare. + * config/ia64/ia64.h (PREDICATE_CODES): Add basereg_operand. + +2002-03-29 Hans-Peter Nilsson <hp@bitrange.com> + + * config/mmix/mmix.c (mmix_target_asm_function_prologue): Correct + unwind information when frame_pointer_needed. + (mmix_assemble_integer): Tweak wording in comment. + +2002-03-29 Neil Booth <neil@daikokuya.demon.co.uk> + + * Makefile.in (except.o): Update. + * except.c: Include langhooks.h. + (init_eh): Use langhook. + * langhooks-def.h (LANG_HOOKS_MAKE_TYPE, + LANG_HOOKS_FOR_TYPES_INITIALIZER): New. + (LANG_HOOKS_INITIALIZER): Update. + * langhooks.h (lang_hooks_for_types): New. + (struct lang_hooks): Add it. + * tree.c (make_lang_type_fn, make_lang_type): Remove. + * tree.h (make_lang_type_fn, make_lang_type): Remove. +config: + * alpha/alpha.c: Include langhooks.h. + (alpha_build_va_list): Use langhook. + * d30v/d30v.c: Include langhooks.h. + (d30v_build_va_list): Use langhook. + * i386/i386.c: Include langhooks.h. + (ix86_build_va_list): Use langhook. + * rs6000/rs6000.c (rs6000_build_va_list): Use langhook. + * s390/s390.c: Include langhooks.h. + (s390_build_va_list): Use langhook. + * stormy16/stormy16.c: Include langhooks.h. + (stormy16_build_va_list): Use langhook. + +2002-03-29 Jakub Jelinek <jakub@redhat.com> + + PR c++/5964 + * config/sparc/sparc.md (empty_delay_slot, branch_type): New + attributes. + (length): Compute variable length for branches/calls/jumps here. + (branch, inverted_branch, normal_fp_branch, inverted_fp_branch, + normal_fpe_branch, inverted_fpe_branch): Remove length attribute, + define branch_type attribute. + (divsi3_sp32): Maximum length is 6 not 7. + (call_address_struct_value_sp32, call_symbolic_struct_value_sp32, + call_address_untyped_struct_value_sp32, + call_symbolic_untyped_struct_value_sp32): Set length to 3 not 2. + * config/sparc/sparc.c (empty_delay_slot): New function. + * config/sparc/sparc.h (ADJUST_INSN_LENGTH): Remove. + * config/sparc/sparc-protos.h (empty_delay_slot): Add prototype. + +2002-03-29 Jakub Jelinek <jakub@redhat.com> + + * combine.c (set_nonzero_bits_and_sign_copies): Don't call + nonzero_bits if not needed. + (nonzero_bits) [XOR]: Likewise. + (nonzero_bits) [REG]: Use reg_last_set_nonzero_bits even if + reg_last_set_mode and mode are both MODE_INT, but not equal. + (record_value_for_reg): Compute reg_last_set_nonzero_bits + in nonzero_bits_mode for MODE_INT modes. + +2002-03-28 Richard Henderson <rth@redhat.com> + + PR target/5715 + * config/alpha/osf.h (ASM_SPEC): Don't pass any special options + to GAS. Correct drift between alternatives. + +2002-03-28 Richard Henderson <rth@redhat.com> + + PR target/6087 + * reload1.c (fixup_abnormal_edges): Move insn to edge via sequence. + +2002-03-28 Alexandre Oliva <aoliva@redhat.com> + + * config/i386/freebsd.h (LINK_SPEC): Don't pass default + emulation to the linker. + +2002-03-28 Loren J. Rittle <ljrittle@acm.org> + + * config/alpha/freebsd.h (LINK_SPEC): Likewise. + * config/sparc/freebsd.h (LINK_SPEC): Likewise. + +Thu Mar 28 16:35:31 2002 Jeffrey A Law (law@redhat.com) + + * combine.c (simplify_and_const_int): Make sure to apply mask + when force_to_mode returns a constant integer. PR3311. + +2002-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa-linux.h (LOCAL_LABEL_PREFIX): Define. + +2002-03-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/invoke.texi (Warning Options): Refer to C++ Dialect Options + and Objective-C Dialect Options. + +2002-03-28 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (alpha_emit_conditional_branch): TFmode NE + comparison should be done vs !=0 not >0 return code. Tidy cases. + +2002-03-28 Richard Henderson <rth@redhat.com> + + * c-decl.c (finish_function): New arg can_defer_p. Pass it + on to c_expand_body. + * c-tree.h (finish_function): Update decl. + * c-objc-common.c, c-parse.in, objc/objc-act.c: Update calls. + +Thu Mar 28 19:13:36 CET 2002 Jan Hubicka <jh@suse.cz> + + * ifcvt.c (if_convert): Clear aux_for_blocks early enought. + +Thu Mar 28 13:21:53 CET 2002 Jan Hubicka <jh@suse.cz> + + * rtlanal.c: Include flags.h + (may_trap_p): Do not mark FP operations if trapping + if !flag_trapping_math + * Makefile.in (rtlanal.o): Add dependency on flag.h + * ifcvt.c (noce_operand_ok): Avoid the lameness. + +2002-03-27 Zack Weinberg <zack@codesourcery.com> + + * mips.md: Use dconst1, not 1.0, as first argument of + REAL_VALUE_LDEXP. Don't use union real_extract. + +2002-03-28 Alan Modra <amodra@bigpond.net.au> + + * configure.in (gcc_cv_as): Use $target_alias in directory searchs + rather than $target. Heed program_prefix and + program_transform_name. Search for gas in cross-compiler case too. + "test -x" rather than "test -f". + (gcc_cv_ld): Likewise. + (gcc_cv_nm): Heed program_prefix and program_transform_name. + (gcc_cv_objdump): Likewise. + * configure: Regenerate. + +2002-03-27 Neil Booth <neil@daikokuya.demon.co.uk> + + * Makefile.in (attribs.o): Update. + * attribs.c: Include langhooks.h. + (decl_attributes): Use langhook. + * c-decl.c (insert_default_attributes): Rename. + * c-tree.h (c_insert_default_attributes): New. + * langhooks-def.h (LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES):New. + (LANG_HOOKS_INITIALIZER): Update. + * langhooks.h (struct lang_hooks): New hook. + * tree.h (insert_default_attributes): Remove. +objc: + * objc-lang.c (LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES): Redefine. + +2002-03-27 Andreas Schwab <schwab@suse.de> + + * config/i386/i386.c (classify_argument): Also check for + QUAL_UNION_TYPE. + +2002-03-27 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * doc/install.texi (alpha*-dec-osf*): Don't need --enable-libgcj + any more. + +Wed Mar 27 23:19:30 CET 2002 Jan Hubicka <jh@suse.cz> + + * i960.md (ret): Set PC. + (nonlocal_goto): Fix expander. + * builtins.c (epxand_builin_longjmp): Check that we've emitted + some jump or call. + +Wed Mar 27 23:11:35 CET 2002 Jan Hubicka <jh@suse.cz> + + * optabs.c (emit_no_conflict_block, emit_libcall_block): Avoid nesting + of libcall regions. + +Wed Mar 27 22:54:14 CET 2002 Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz> + + * cfgrtl.c (merge_blocks_nomove): Use set_block_for_insn instead of + assigning to BLOCK_FOR_INSN directly. + +Wed Mar 27 22:33:05 CET 2002 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_output_addr_diff_elt): Remove binutils bug workaround. + +2002-03-27 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-common.c (c_expand_expr): Fix prototype. + * c-common.h (c_expand_expr): Always declare, update. + * c-lang.c (LANG_HOOKS_EXPAND_EXPR): Redefine. + * c-objc-common.c (c_objc_common_init): No global hook. + * expr.c (expand_expr): Use langhook. + * expr.h (enum expand_modifier): Conditionally declare. + * langhooks-def.h (lhd_expand_expr, LANG_HOOKS_EXPAND_EXPR): New. + (LANG_HOOKS_INITIALIZER): Update. + * langhooks.c (lhd_expand_expr): New. + * langhooks.h (struct lang_hooks): New hook. + * toplev.c (lang_expand_expr_t, lang_expand_expr): Delete. + (lang_independent_init): Don't default hook. +objc: + * objc-lang.c (LANG_HOOKS_EXPAND_EXPR): Redefine. + +2002-03-27 Richard Henderson <rth@redhat.com> + + PR target/6054 + * config/ia64/ia64.c (ia64_expand_call): Use pic patterns for + TARGET_CONST_GP. Simplify conditions. + +2002-03-27 Richard Henderson <rth@redhat.com> + + * config/sparc/freebsd.h, config/sparc/linux.h, config/sparc/linux64.h, + config/sparc/netbsd-elf.h, config/sparc/pbd.h, config/sparc/sol2.h, + config/sparc/vxsim.h (LOCAL_LABEL_PREFIX): Define. + +2002-03-27 Danny Smith <dannysmith@users.sourceforge.net> + + * config/i386/cygwin.h (TARGET_DLL, TARGET_WIN32, + TARGET_CYGWIN, TARGET_WINDOWS): Remove unused switches. + (MASK_DLL, MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS): + Remove unnecessary masks. + (MASK_NOP_FUN_DLLIMPORT): Use an unused an bit. + (SUBTARGET_SWITCHES): Use empty masks for -mwin32, -mcygwin, + -mwindows, -mdll switches and their negations. + +2002-03-27 Neil Booth <neil@daikokuya.demon.co.uk> + + * gcc-common.c (lang_mark_false_label_stack): Remove. + * ggc.h (lang_mark_false_label_stack): Similarly. + +2002-03-26 Vladimir Makarov <vmakarov@redhat.com> + + * pa/pa-pro-end.h (CPP_PREDEFINES): Add -D__pro__. + + * pa/lib2funcs.asm: Don't use .SPACE and .SUBSPACE if __pro__ + or __rtems_ is defined. + +2002-03-26 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (alpha_emit_set_const): Add a REG_EQUAL note + if a non-trivial load was emitted. + (alpha_emit_set_const_1): Remove obsolete extension. Fix thinko + in high+extra+low case. + +2002-03-26 Richard Henderson <rth@redhat.com> + + * config.gcc (sparc*-solaris): Use float_format=sparc. + +2002-03-26 Richard Henderson <rth@redhat.com> + + * config/sparc/sparc.h (MAX_WCHAR_TYPE_SIZE): Don't define. + * config/sparc/linux-aout.h (MAX_WCHAR_TYPE_SIZE): Don't undef. + * config/sparc/linux.h, config/sparc/linux64.h: Likewise. + * config/sparc/sol2.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Redefine. + (WINT_TYPE_SIZE): Fix at 32. + +2002-03-26 Richard Henderson <rth@redhat.com> + + * toplev.c (rest_of_compilation): Delay emit_initial_value_sets + until after eh landing pad generation. + * config/alpha/alpha.c (alpha_gp_save_rtx): Use gen_mem_addressof. + * config/alpha/alpha.md (exception_receiver_2): Only accept MEMs. + +2002-03-26 Richard Henderson <rth@redhat.com> + + * expr.h (ADD_PARM_SIZE): One more convert for INC. + +2002-03-26 Phil Edwards <pme@gcc.gnu.org> + + * gcc.c (cpp_options): Preserve relative ordering of -pedantic + and warning switches. + (cc1_options): Likewise. + +2002-03-26 Hans Boehm <Hans_Boehm@hp.com> + + * config/ia64/linux.h (MD_FALLBACK_FRAME_STATE_FOR): + Restore more of the signal context. Set no_reg_stack_frame. + * config/ia64/unwind-ia64.c (unw_state_record): + Add no_reg_stack_frame, comments. + (uw_frame_state_for): Initialize when field to UNW_WHEN_NEVER. + (uw_update_context): Adjust bsp when unwinding from leaf, + but not signal frame. + +2002-03-26 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/aix51.h (WCHAR_TYPE): Define. + +2002-03-26 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.c (xtensa_va_arg): Handle variable-sized types. + +2002-03-26 Richard Earnshaw <rearnsha@arm.com> + + PR target/5621 + * arm.md (define_asm_attributes): Reapply patch of Thu Sep 9, 1999: + "Add a pool_range attribute", which was lost during the ARM/Thumb + merge. + +2002-03-26 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.c (xtensa_valid_move): Allow move from + a register into the MAC16 accumulator. + +2002-03-26 Andrew Cagney <ac131313@redhat.com> + + * doc/invoke.texi (Option Summary): Mention -Wswitch-enum. + (Warning Options): Document -Wswitch-enum. + * toplev.c (W_options): Add -Wswitch-enum. Update comment on + -Wswitch. + (warn_switch_enum): Define variables. + * flags.h (warn_switch_enum): Declare variables. + * stmt.c (expand_end_case_type): When warn_switch_enum / + -Wswitch-enum, perform switch checks. + Fix PR c/5044. + +2002-03-26 Richard Earnshaw <rearnsha@arm.com> + + * arm.md (reload_mulsi3, reload_mulsi_compare0, reload_muladdsi) + (reload_mulsi_compare0_scratch, reload_muladdsi_compare0) + (reload_muladdsi_compare0_scratch): Delete. + +2002-03-26 Loren J. Rittle <ljrittle@acm.org> + + * doc/install.texi (*-*-freebsd*): Update. + +2002-03-26 Richard Henderson <rth@redhat.com> + + * expr.h (ADD_PARM_SIZE): Cast INC to ssizetype. + (SUB_PARM_SIZE): Cast DEC to ssizetype. + + * config/alpha/alpha.c (alpha_va_arg): Read MUST_PASS_IN_STACK + types from the normal argument frame. + + * config/sparc/sparc.c (function_arg_pass_by_reference): Pass + variable sized objects by reference. + (sparc_va_arg): Receive them by reference too. + +2002-03-26 Hartmut Penner <hpenner@de.ibm.com> + + * config/s390/s390.c (s390_emit_epilogue): Change epilogue + code to not restoring global registers. + +2002-03-26 Neil Booth <neil@daikokuya.demon.co.uk> + + * Makefile.in (ggc-common.o): Update. + * c-decl.c (lang_mark_tree): Rename c_mark_tree. + * c-lang.c (LANG_HOOKS_MARK_TREE): Redefine. + * c-tree.h (c_mark_tree): New. + * ggc-common.c: Include langhooks.h. + (gcc_mark_trees): Use new langhook. + * ggc-callbacks.c: Delete file. + * ggc.h (lang_mark_tree): Remove. + * langhooks-def.h (LANG_HOOKS_MARK_TREE): New. + (LANG_HOOKS_INITIALIZER): Update. + * langhooks.h (struct lang_hooks): New hook. +objc: + * objc-lang.c (LANG_HOOKS_MARK_TREE): Redefine. + +2002-03-25 Zack Weinberg <zack@codesourcery.com> + + * doc/cpp.texi: Exclude entire Top node from printed manual. + Move option index after directive index. Insert page breaks + before GFDL and concept index. Index environment variables + with command line options. + * doc/cppenv.texi: Use @vtable for environment variable list. + Add paragraph explaining semantics of empty elements in path + variables. Exclude a cross-reference to Fishkill from the + manpage. Remove an unnecessary cross-reference of the entry + right above the referer. Don't use @anchor in text that goes + into manpage. + * doc/cppopts.texi: Cross-reference the environment variables + section, not the specific environment variable, for consistency. + +2002-03-25 Richard Henderson <rth@redhat.com> + + * recog.c (peephole2_optimize): Distribute EH_REGION -1 notes + anywhere in the block. Don't refer to insns that have been + removed from the chain. Iterate backward through the new insns. + Don't refer to edges that have been removed. + +2002-03-26 Alan Modra <amodra@bigpond.net.au> + + * combine.c (simplify_comparison <ASHIFTRT, LSHIFTRT>): Correct + test for overflow of constant. + +2002-03-25 Richard Earnshaw <rearnsha@arm.com> + + PR target/2623 + * arm.md (loadhi_preinc, loadhi_predec, loadhi_shiftpreinc) + (loadhi_shiftpredec, loadhi-with-writeback peephole): Don't use + these patterns on arm_archv4. + +2002-03-25 Danny Smith <dannysmith@sourceforge.users.net> + + * config/i386/mingw32.h (WINT_TYPE): Define as "short unsigned + int". + +2002-03-25 Zack Weinberg <zack@codesourcery.com> + + * toplev.c: Don't include setjmp.h. Kill float_handler_set, + float_handled, float_handler, float_signal, set_float_handler, + and do_float_handler. Set handler for SIGFPE to crash_signal. + * toplev.h: Don't prototype do_float_handler. + + * c-lex.c: Fold parse_float into lex_number. Make warning + about portability of hex float constants more informative, and + don't issue it on top of a syntax error. + * fold-const.c: Fold const_binop_1 and fold_convert_1 into + their callers. + * real.h: Define REAL_VALUE_ABS here... + * simplify-rtx.c: ... not here. Fold check_fold_consts, + simplify_unary_real, simplify_binary_real, and + simplify_binary_is2orm1 into their callers. + * tree.c: Fold build_real_from_int_cst_1 into caller. + + * doc/tm.texi: Document REAL_VALUE_ABS and REAL_VALUE_NEGATIVE. + + * tsystem.h: Include float.h here... + * libgcc2.c: ... not here. + +2002-03-25 Nick Clifton <nickc@cambridge.redhat.com> + + Fixes for: PR bootstrap/3591, target/5676 + * config/mcore/mcore.h (CC1_SPEC): Define only if not already + defined. Do not disable exceptions or rtti. + * config/mcore/mcore-pe.h (CC1_SPEC): Define before including + mcore.h. Disable exceptions and rtti, since they are not + supported by EPOC. + +2002-03-25 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-decl.c (maybe_build_cleanup): Remove. + * expr.c (expand_expr): Use langhook. + * langhooks-def.h (lhd_return_null_tree, + LANG_HOOKS_MAYBE_BUILD_CLEANUP): New. + (LANGHOOKS_INITIALIZER): Update. + * langhooks.c (lhd_return_null_tree): New. + * langhooks.h (struct lang_hooks): New hook. + * tree-inline.c (initialize_inlined_parameters): Use langhook. + * tree.h (maybe_build_cleanup): Remove. + +2002-03-25 Jakub Jelinek <jakub@redhat.com> + + * regrename.c (build_def_use): Move recog_memoized + before extract_insn. + +2002-03-25 Jakub Jelinek <jakub@redhat.com> + + PR target/6043 + * expr.c (emit_group_store): Handle storing into CONCAT. + +2002-03-25 Jakub Jelinek <jakub@redhat.com> + + * regrename.c (build_def_use): Share RTL between MATCH_OPERATOR and + corresponding MATCH_DUP. + +2002-03-24 Richard Henderson <rth@redhat.com> + + * unroll.c (unroll_loop): Zero label_map. + + * gcse.c: Include except.h. + * Makefile.in (gcse.o): Update. + +2002-03-24 Richard Henderson <rth@redhat.com> + + * varasm.c (asm_emit_uninitialised): Revert 2002-03-14 change. + Do resolve_unique_section before shared data clause. + +2002-03-24 Richard Henderson <rth@redhat.com> + + * config/alpha/elf.h (STARTFILE_SPEC): Use crtbeginT with -static. + +2002-03-24 Richard Henderson <rth@redhat.com> + + * recog.c (peephole2_optimize): Split blocks when EH insns are + generated in the middle of a block. Do global life update if + zapped EH edges. + +2002-03-24 Richard Henderson <rth@redhat.com> + + * mips.c (mips_function_value): Only promote_mode for non-libcalls. + +2002-03-24 Neil Booth <neil@daikokuya.demon.co.uk> + + preprocessor/3951 + * gcc.c (cpp_options): Pass -MD through as -MD not -M -MF. + * cppinit.c (cpp_handle_option): Set no_ouput if -MD or -MMD. + (init_dependency_output): Don't make no_output decision here. + +2002-03-24 Andrew Cagney <ac131313@redhat.com> + + * stmt.c (check_for_full_enumeration_handling): Remove tests of + warn_switch. Update description. + (expand_end_case_type): Call check_for_full_enumeration_handling + when warn_switch. + +2002-03-24 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.c (m68hc11_autoinc_compatible_p): New function. + (m68hc11_split_move): Call it to see if the source and destination + operands use the same direction auto inc/dec mode, otherwise make the + source an offsetable memory operand and generate an add. + +2002-03-24 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md ("*subsi3_zero_extendhi"): Allow address + register for operand 2. + ("*subsi3_zero_extendqi"): Likewise. + ("*iorhi3_gen"): Do the operation on the upper bits and then lower + bits so that it is compatible with a pop. + ("*andhi3_gen"): Likewise. + ("xorhi3"): Likewise. + +2002-03-24 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinit.c (cpp_handle_option): Set warn_endif_labels if + -pedantic here... + (cpp_post_options): ... not here. + +2002-03-24 Neil Booth <neil@daikokuya.demon.co.uk> + Aldy Hernandez <aldyh@redhat.com> + + Removal of separate preprocessor cpp0. + + * Makefile.in (GCC_PASSES, STAGESTUFF, LIBCPP_OBJS, + cpp0, install-common): Update. + * c-common.c (flag_preprocess_only): New. + (c_common_init): Preprocess for -E. + * c-common.h (flag_preprocess_only): New. + * c-decl.c (c_decode_option): Handle -E and -std=c++98. + * c-objc-common.c (c_init_decl_processing): Exit quickly + for NULL return from c_common_init. + * cpplib.h (cpp_preprocess_file): New. + * cppmain.c (main, general_init, pfile, progname): Remove. + (do_preprocessing): Rename cpp_preprocess_file, don't call + cpp_finish. Don't close stdout here. + (setup_callbacks): Update prototype. + * gcc.c (trad_capable_cpp, cpp_unique_options, default_compilers): + Update. + * tradcpp.c (main): Ignore -quiet. +objc: + * lang-specs.h (default_compilers): Preprocess with cc1obj. + +2002-03-24 Richard Henderson <rth@redhat.com> + + PR optimization/5742 + * machmode.def: Add inner mode field to complex modes. + * config/mips/mips.c (mips_function_value): Always define. Add + new argument to handle libcalls. + * config/mips/mips.h (LIBCALL_VALUE): Use mips_function_value. + (FUNCTION_VALUE): Likewise. + * config/mips/abi64.h (FUNCTION_VALUE): Remove. + * config/mips/mips-protos.h: Update. + +2002-03-23 Richard Henderson <rth@redhat.com> + + * config/sparc/sparc.c (sparc_emit_floatunsdi): New. + * config/sparc/sparc-protos.h: Update. + * config/sparc/sparc.md (floatunsdisf2, floatunsdidf2): New. + +2002-03-23 Richard Henderson <rth@redhat.com> + + * config/sparc/gmon-sol2.c (internal_mcount): Assume either + _start or _init begins the text segment. + +2002-03-23 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000.h (RETURN_IN_MEMORY): Cast to HOST_WIDE_INT + not HOST_WIDEST_INT. + (RS6000_ARG_SIZE): Remove unsigned cast of int_size_in_bytes. + +2002-03-23 Richard Earnshaw <rearnsha@arm.com> + + PR java/5489 + * arm.md (return, sibcall_epilogue): Pass const_true_rtx as the + operand argument to output_return_instruction. + * arm.c (arm_print_operand, case 'd'): If the operand is + const_true_rtx then just return. + (arm_print_operand, case 'D'): If the operand is const_true_rtx + then abort. + +2002-03-23 Andrew Cagney <ac131313@redhat.com> + + * doc/invoke.texi (Option Summary): Mention -Wswitch-default. + (Warning Options): Document -Wswitch-default. + * toplev.c (W_options): Add -Wswitch-default. Update comment on + -Wswitch. + (warn_switch_default): Define variable. + (warn_switch): Update comment. + * flags.h (warn_switch_default): Declare variable. + (warn_switch): Update comment. + * stmt.c (expand_end_case): Check for and, when + warn_switch_no_default, warn of a missing default case. + +2002-03-23 Alan Modra <amodra@bigpond.net.au> + + * real.h (N): Special case 128 bit doubles. + + * combine.c (simplify_comparison): When widening modes, ignore + sign extension on CONST_INTs. + +2002-03-22 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.c (print_operand): Fix incorrect mode + passed to adjust_address. Fix comment formatting. + + +2002-03-22 Zack Weinberg <zack@codesourcery.com> + + * real.h: Don't define REAL_INFINITY or REAL_IS_NOT_DOUBLE. + Always make REAL_VALUE_TYPE a struct containing an array of + HOST_WIDE_INT, not a double. Tidy up the code deciding how + big it is. Don't declare or use union real_extract. + + * emit-rtl.c (init_emit_once), varasm.c (immed_real_const_1, + decode_rtx_const, output_constant_pool), config/a29k/a29k.c + (print_operand), config/arm/arm.c (output_move_double), + config/arm/arm.md (consttable_4, consttable_8), + config/romp/romp.c (output_fpops), config/s390/s390.h + (ASM_OUTPUT_SPECIAL_POOL_ENTRY), config/xtensa/xtensa.c + (xtensa_output_literal): Don't use union real_extract. + + * config/dsp16xx/dsp16xx.c (print_operand), config/i860/i860.c + (sfmode_constant_to_ulong), config/ns32k/merlin.h + (PRINT_OPERAND), config/ns32k/ns32k.c (print_operand), + config/pdp11/pdp11.h (PRINT_OPERAND), config/we32k/we32k.h + (PRINT_OPERAND): Don't use local version of union + real_extract. + + * config/convex/convex.c (check_float_value), config/vax/vax.c + (vax_float_literal), config/m88k/m88k.md (divdf3), + config/dsp16xx/dsp16xx.md (fixuns_trunchfhi2), + config/pdp11/pdp11.c (output_move_quad): Don't do host + arithmetic on target floating point quantities. + + * config/a29k/a29k.md, config/dsp16xx/dsp16xx.c + (output_dsp16xx_float_const): Don't test HOST_FLOAT_FORMAT. + + * fold-const.c (fold), simplify-rtx.c (simplify_binary_real): + Use MODE_HAS_INFINITIES rather than #ifdef REAL_INFINITY. + + * real.c (earith): Test INFINITY rather than REAL_INFINITY; + NANS implies INFINITY, so can drop #ifdef NANS inside #ifndef + INFINITY. + * print-rtl.c (print_rtx): Disable code which needs + floating-point emulator. + * libgcc2.c: Include float.h and use DBL_MANT_DIG, + FLT_MANT_DIG, to define DF_SIZE and SF_SIZE, rather than + depending on HOST_FLOAT_FORMAT to be defined properly. + + * config/1750a/1750a.c (get_double, float_label): Delete. + (print_operand): Delete huge commented-out chunk. Use + REAL_VALUE_TO_DECIMAL. + * config/1750a/1750a-protos.h: Delete prototypes of deleted + functions. + * config/convex/convex.h: Always set TARGET_FLOAT_FORMAT to + IEEE_FLOAT_FORMAT. + * config/i370/i370.h (PRINT_OPERAND [TARGET_HLASM version]): + Use REAL_VALUE_TO_DECIMAL as ELF version does. + * config/m88k/m88k.c (real_power_of_2_operand, + legitimize_operand): Take the REAL_VALUE_TYPE and/or union + real_extract out of the union; run the input through + REAL_VALUE_TO_TARGET_DOUBLE, then plug the pair of longwords + from that into the union. + * config/pdp11/pdp11.c (output_move_double): Rearrange + parentheses to make automatic indenter happy. + + * doc/tm.texi (Cross-compilation): Rename node to "Floating + Point" and rewrite to describe current situation. Also adjust + documentation of REAL_VALUE_TO_TARGET_SINGLE and friends to + match code. + * doc/rtl.texi: Adjust cross reference. + +2002-03-22 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa-protos.h (non_acc_reg_operand): Remove. + (xtensa_valid_move, xtensa_preferred_reload_class): Define. + * config/xtensa/xtensa.c (non_acc_reg_operand): Remove. + (xtensa_valid_move, xtensa_preferred_reload_class): Define to + prevent use of sp as a reload register. + (xtensa_emit_move_sequence): Use xtensa_valid_move instead of + non_acc_reg_operand. + * config/xtensa/xtensa.h (PREDICATE_CODES): Remove non_acc_reg_operand. + (PREFERRED_RELOAD_CLASS): Move code to xtensa_preferred_reload_class. + * config/xtensa/xtensa.md (movsi_internal, movhi_internal, + movqi_internal): Use xtensa_valid_move instead of non_acc_reg_operand. + +2002-03-22 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.h (struct cpp_reader): Remove mls_line and mls_col. + * cpplex.c (unterminated): Delete. + (parse_string): No string literal may extend over multiple + lines. Suppress the error when preprocessing assembly. + * cppmain.c (scan_translation_unit): Strings are single-line. + + * doc/cpp.texi: Update to match. + +2002-03-22 Jakub Jelinek <jakub@redhat.com> + + PR optimization/5854 + * config/m68hc11/m68hc11.h (CONST_OK_FOR_LETTER_VALUE_P): Use K for 0. + Shut up warnings. + (CONST_DOUBLE_OK_FOR_LETTER_P): Use G for 0.0. + (EXTRA_CONSTRAINT): Use S for non-push memory operand. + * config/m68hc11/m68hc11.c (m68hc11_split_move): Handle setting from + const0 if scratch register was not allocated. + (m68hc11_reload_operands, m68hc11_gen_lowpart, m68hc11_gen_highpart, + m68hc11_z_replacement): Replace gen_rtx (CONST_INT, VOIDmode, ...) + with GEN_INT (...). + (m68hc11_reorg): Compute BLOCK_FOR_INSN before reload_cse_regs. + * config/m68hc11/m68hc11.md: Replace gen_rtx (CONST_INT, VOIDmode, ...) + with GEN_INT (...) everywhere. Remove constraints in define_split + patterns. + (movdi_internal, movdf_internal, movsi_internal, movsf_internal): Don't + require scratch register for setting 0 into regs/non-pushable memory. + +2002-03-22 Alexandre Oliva <aoliva@redhat.com> + + * config/mips/mips.h (MASK_RETURN_ADDR): Define. + (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define. + +2002-03-22 Phil Edwards <pme@gcc.gnu.org> + + * cpplib.h (struct cpp_options): New member, warn_endif_labels. + * cppinit.c (cpp_create_reader): On by default. + (cpp_handle_option): Handle -W[no-]endif-labels. + (cpp_post_options): Also enable if -pedantic. + * cpplib.c (do_else): Use it. + (do_endif): Likewise. + * doc/cppopts.texi: Document new option. + * doc/invoke.texi: Document new option. + +2002-03-22 Lars Brinkhoff <lars@nocrew.org> + + * config/i386/i386.c, config/i386/i386.md: Change all occurences + of GEN_INT (trunc_int_for_mode (...)) to gen_int_mode (...). + +2002-03-22 Alexandre Oliva <aoliva@redhat.com> + + * flow.c (calculate_global_regs_live): Clear aux fields of + ENTRY and EXIT. + +2002-03-22 Jakub Jelinek <jakub@redhat.com> + + * config/v850/v850.c (v850_reorg): Only call alter_subreg on + REG or MEM subregs, pass rtx * instead of rtx to it. + * config/i860/i860.c (output_delayed_branch, output_delay_insn): Pass + rtx * instead of rtx to alter_subreg. + * config/m32r/m32r.c (gen_split_move_double): Likewise. + * config/pj/pj.c (pj_output_rval): Likewise. + +2002-03-22 Richard Henderson <rth@redhat.com> + + PR target/3177 + * config/ia64/ia64.h (CUMULATIVE_ARGS): Add int_regs. + (INIT_CUMULATIVE_ARGS, INIT_CUMULATIVE_INCOMING_ARGS): Update. + * config/ia64/ia64.c (ia64_function_arg_advance): Set int_regs. + (ia64_expand_prologue): Look at int_regs, not words, for number + of incomming int regs. + +2002-03-22 Andrew MacLeod <amacleod@redhat.com> + + * expr.c (expand_expr): A RESULT_DECL is part of a call. + +Fri Mar 22 16:30:42 CET 2002 Jan Hubicka <jh@suse.cz> + + * toplev.c (flag_loop_optimize, flag_crossjumping): + New static variables. + (rest_of_compilation): Conditionalize crossjumping and + loop optimizer. + (parse_options_and_default_flags): Default loop_optimize and + crossjumping. + (lang_independent_options): Add -fcrossjumping and -floop-optimize + * invoke.texi (crossjumping, loop-optimize): Document. + +2002-03-22 Richard Sandiford <rsandifo@redhat.com> + + * real.c (eiisneg): Move outside #ifdef NANS. + +Fri Mar 22 12:08:36 CET 2002 Jan Hubicka <jh@suse.cz> + + * cfgcleanup.c (outgoing_edges_math): Fix condition; relax + frequencies match; avoid match on different loop depths. + (try_crossjump_to_bb): Kill tests that no longer brings time + savings. + * cfgrtl.c (force_nonfallthru_and_redirect): Fix loop_depth + updating code. + (split_edge): Likewise. + + * flow.c (update_life_info_in_dirty_blocks): Fix uninitialized + variable. + + * Makefile.in (cfgrtl): Add insn-config.h depenendency. + * cfgrtl.c: Include insn-config.h + (split_block) Dirtify block in presence of conditional execution + +2002-03-22 Richard Sandiford <rsandifo@redhat.com> + + * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Undefine. + * config/mips/mips-protos.h (mips_setup_incoming_varargs): Declare. + (function_arg): Constify CUMULATIVE_ARGS. + (function_arg_partial_nregs, function_arg_pass_by_reference): Likewise. + * config/mips/mips.h (UNITS_PER_FPVALUE): Zero when TARGET_SOFT_FLOAT. + (UNITS_PER_DOUBLE): New macro. + (SETUP_INCOMING_VARARGS): Define. Use mips_setup_incoming_varargs. + (CUMULATIVE_ARGS): Reformat. Remove num_adjusts workaround and + last_arg_fp field. Replace arg_words and fp_arg_words with gp_regs, + fp_regs and stack_words. + (EABI_FLOAT_VARARGS_P): New macro. + * config/mips/mips.c (struct mips_arg_info): New. + (mips_arg_info): New function. + (function_arg_advance): Use it. Add adjustment instructions here + rather than in function_arg. + (function_arg): Constify CUMULATIVE_ARGS. Use mips_arg_info. Check + for VOIDmode at the beginning of the function. + (function_partial_nregs): Constify CUMULATIVE_ARGS. Use mips_arg_info. + (function_arg_pass_by_reference): Likewise. + (mips_setup_incoming_varags): New, largely based on old abi64.h code. + (mips_build_va_list): Test EABI_FLOAT_VARARGS_P. + (mips_va_start): Likewise. Use the new stack_words field of + CUMULATIVE_ARGS to set up overflow area. Reformat. + (mips_va_arg): Test EABI_FLOAT_VARARGS_P. Unify EABI handling of + doubles and other types, aligning the overflow pointer for non-doubles + too. Remove some code duplication. Replace hard-coded constants. + +2002-03-22 Richard Sandiford <rsandifo@redhat.com> + + * config/mips/mips.h (FUNCTION_ARG_REGNO_P): Simplify. + (CLASS_UNITS): Undefine. + (CLASS_MAX_NREGS): Use FP_INC. + * config/mips/mips.c (compute_frame_size): Likewise. + (override_options): Use FP_INC and UNITS_PER_FPVALUE. + +2002-03-22 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplex.c (parse_identifier_slow): Rename parse_slow, adjust + prototype, and handle lexing numbers and identifiers. + (parse_identifier): Update to new form of parse_slow. + (parse_number): Fast path only, use parse_slow otherwise. + (_cpp_lex_direct): Update calls to parse_number. + +2002-03-21 DJ Delorie <dj@redhat.com> + + * bb-reorder.c (make_reorder_chain_1): Protect against + when redundant edges are omitted. + * predict.c (dump_prediction): Likewise. + +2002-03-21 Richard Henderson <rth@redhat.com> + + PR target/5996 + * fixinc/inclhack.def (solaris_stdio_tag): New. + * fixinc/fixincl.x: Regenerate. + +2002-03-21 Eric Botcazou <ebotcazou@multimania.com> + + PR c/5597 + * c-typeck.c (process_init_element): Flag non-static + initialization of a flexible array member as illegal. + +2002-03-22 Alan Modra <amodra@bigpond.net.au> + + * config/rs6000/t-linux64: New. + * config.gcc (powerpc64-*-linux* <tmake_file>): Drop t-ppcos and + t-ppccomm. Use t-rs6000 and t-linux64. + (powerpc64-*-gnu* <tmake_file>): Likewise. + * mklibgcc.in (SHLIB_MKMAP_OPTS): New variable. + * mkmap-symver.awk (dotsyms): If set, output .foo as well as foo. + * Makefile.in (SHLIB_MKMAP_OPTS): Pass to mklibgcc. + +2002-03-21 Aldy Hernandez <aldyh@redhat.com> + + * langhooks.c (lhd_tree_inlining_cannot_inline_tree_fn): Check + flag_really_no_inline instead of optimize == 0. + + * c-objc-common.c (c_cannot_inline_tree_fn): Same. + + * cp/tree.c (cp_cannot_inline_tree_fn): Same. + + * flags.h (flag_really_no_inline): New. + + * c-common.c (c_common_post_options): Initialize + flag_really_no_inline. + + * toplev.c (flag_really_no_inline): New. + +2002-03-21 Jakub Jelinek <jakub@redhat.com> + + * config/avr/avr.md (length): Fix length computation for + conditional branches. + +2002-03-21 Neil Booth <neil@daikokuya.demon.co.uk> + + * Makefile.in (fold-const.o, stor-layout.o, stmt.o, + sdbout.o, profile.o): Update. + * c-common.c (c_common_nodes_and_builtins): Use pushdecl + langhook. + * c-common.h (gettags): Move here from tree.h. + * c-tree.h (pushdecl, pushlevel, poplevel, set_block, + insert_block, getdecls, kept_level_p, global_bindings_p): New. + * dbxout.c (dbxout_init): Use getdecls langhook. + * expr.c (expand_expr): Use insert_block langhook. + * fold-const.c: Include langhooks.h. + (fold_range_test, fold_binary_op_with_conditional_arg, + fold): Use global_bindings_p langhook. + * integrate.c (expand_inline_function): Use insert_block langhook. + * langhooks-def.h (LANG_HOOKS_DECLS, LANG_HOOKS_PUSHLEVEL, + LANG_HOOKS_POPLEVEL, LANG_HOOKS_GLOBAL_BINDINGS_P, + LANG_HOOKS_INSERT_BLOCK, LANG_HOOKS_SET_BLOCK, LANG_HOOKS_PUSHDECL, + LANG_HOOKS_GETDECLS): New. + (LANG_HOOKS_INITIALIZER): Update. + * langhooks.c (lhd_clear_binding_stack): Use global_bindings_p + langhook. + * langhooks.h (struct lang_hooks_for_decls): New. + (struct lang_hooks): Update. + * profile.c: Include langhooks.h. + (output_func_start_profiler): Use new langhooks. + * sdbout.c: Include langhooks.h. + (sdbout_init, sdbout_finish): Use getdecls langhook. + * stmt.c: Include langhooks.h. + (expand_fixup, fixup_gotos): Use new langhooks. + * stor-layout.c: Include langhooks.h. + (variable_size): Use global_bindings_p langhook. + * toplev.c (compile_file): Use getdecls langhook. + * tree-inline.c (remap_block): Use insert_block langhook. + * tree.h (pushdecl, pushlevel, poplevel, set_block, gettags, + insert_block, getdecls, kept_level_p, global_bindings_p): Remove. + +2002-03-21 Richard Henderson <rth@redhat.com> + + * config/rs6000/rs6000.c (rs6000_select_rtx_section): Put symbolic + constants in .data when -fpic. + +2002-03-21 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/contrib.texi (Contributors): Use GNU/Linux instead of Linux + where appropriate. + +2002-03-21 Tom Tromey <tromey@redhat.com> + + * config/i386/sol2.h (ASM_QUAD): Undef. Fixes PR bootstrap/5948. + +Thu Mar 21 09:50:48 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/ia64/ia64.c (hfa_element_mode, case ARRAY_TYPE): Recurse. + + * expr.c (emit_group_store): Don't copy const0_rtx to a CONCAT. + +2002-03-21 Eric Botcazou <ebotcazou@multimania.com> + Richard Henderson <rth@redhat.com> + + PR c/5354 + * c-common.c (c_expand_expr): Preserve result of a statement + expression if needed. + +2002-03-21 Jakub Jelinek <jakub@redhat.com> + + PR bootstrap/4195 + * genrecog.c (maybe_both_true_mode): Remove. + (maybe_both_true_2, write_switch): Revert 2001-07-17 changes. + * machmode.def (Pmode): Likewise. + +Thu Mar 21 01:55:06 EST 2002 John Wehle (john@feith.com) + + * alias.c: (nonlocal_mentioned_p): Use for_each_rtx. + (nonlocal_mentioned_p_1): New function. + (nonlocal_referenced_p, nonlocal_referenced_p_1): Likewise. + (nonlocal_set_p, nonlocal_set_p_1): Likewise. + (mark_constant_function): Recognize pure functions. + * rtl.h (global_reg_mentioned_p): New prototype. + * rtlanal.c (global_reg_mentioned_p, + global_reg_mentioned_p_1): New function. + +2002-03-21 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * fixinc/inclhack.def (alpha_assert): Fix assert macro in Tru64 + UNIX assert.h. + * fixinc/fixincl.x: Regenerate. + +2002-03-20 Jason Merrill <jason@redhat.com> + + * config/i386/cygwin.h (DWARF2_UNWIND_INFO): Define to 0. + +2002-03-20 Michael Meissner <meissner@redhat.com> + + * doc/invoke.texi (Optimize Options): Document that -O2 sets + -fstrict-aliasing. + +2002-03-20 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Emit a + ".literal_position" directive before the constant pool. + +2002-03-20 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/contrib.texi (Contributors): Update Geoffrey Keating. + Add Craig Rodrigues. + Add Brad Lucier to testers. + +2002-03-20 Jakub Jelinek <jakub@redhat.com> + + PR target/4792 + * config/arc/arc.md (movsicc, movdicc, movsfcc, movdfcc): Add mode + to if_then_else. + (movsicc_insn, movdicc_insn, movsfcc_insn, movdfcc_insn): Likewise. + * config/arc/arc.c (arc_final_prescan_insn): Use extract_insn_cached + instead of insn_extract. + +2002-03-20 Jakub Jelinek <jakub@redhat.com> + + PR bootstrap/4192 + * config/fr30/fr30.md (jump): Remove clobber of fixed register. + + * genemit.c (output_added_clobbers_hard_reg_p): Only output return + stmt if some case has been output. + +2002-03-20 Jakub Jelinek <jakub@redhat.com> + + PR c/5972 + * config/i386/i386.md (movdicc_c_rex64, movsicc_noc, movhicc_noc, + movsfcc_1, movdfcc_1): Add %O2. + * config/i386/i386.c (print_operand): Handle %ON. + Print . before float condition codes in Sun as cmov syntax. + * config/i386/sol2.h (CMOV_SUN_AS_SYNTAX): Define for Sun as. + * config.gcc (i[34567]86-*-solaris2*): Remove comment which is + no longer true. + +2002-03-20 Philip Blundell <pb@nexus.co.uk> + + * config/arm/arm.c (arm_output_epilogue): Don't generate separate + return instruction if PC was popped. + +2002-03-20 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.md: Remove unused type attributes. + (adddi_carry, subddi_carry): Change type attribute to "multi". + +2002-03-19 Dale Johannesen <dalej@apple.com> + + PR optimization/5999, middle-end/5731 + * expr.c (expand_expr) [RDIV_EXPR]: Only convert real divisions into + multiplications by reciprocals. + +2002-03-20 Neil Booth <neil@daikokuya.demon.co.uk> + + * Makefile.in: Update. + * c-common.c: Include langhooks.h. + (inline_forbidden_p): Use new hook. + * diagnostic.c: Include langhooks.h. + (format_with_decl, announce_function, + default_print_error_function): Use new hook. + * dwarf2out.c (dwarf2_name): Use new hook. + * function.c: Include langhooks.h. + (init_function_start): Use new hook. + * langhooks-def.h (lhd_decl_printable_name): New. + (LANGHOOKS_DECL_PRINTABLE_NAME): New. + (LANGHOOKS_INITIALIZER): Update. + * langhooks.c (lhd_decl_printable_name): New. + * langhooks.h (struct lang_hooks): New hook. + * toplev.c (decl_name, decl_printable_name): Remove. + (open_dump_file): Use new hook. + (process_options): Remove old hook. + * tree.h (decl_printable_name): Remove. +objc: + * objc-act.c (objc_init): Remove old hook. + (objc_printable_name): Export. + * objc-act.h (objc_printable_name): New. + * objc-lang.c (LANG_HOOKS_DECL_PRINTABLE_NAME): Redefine. + +2002-03-19 Jim Blandy <jimb@redhat.com> + + * c-lex.c (cb_file_change): Pass the #inclusion's line number to + the start_source_file debug hook, not the current line number. + +2002-03-19 Richard Henderson <rth@redhat.com> + + * flow.c (EH_USES): Provide default. + (calculate_global_regs_live): Use it for EH edges and noreturn calls. + * doc/tm.texi (EH_USES): New. + + * config/ia64/ia64.c (ia64_eh_uses): New. + * config/ia64/ia64-protos.h: Update. + * config/ia64/ia64.h (EH_USES): New. + +2002-03-19 Richard Henderson <rth@redhat.com> + + * varasm.c (output_constant_def): Fix stupid typo. + +2002-03-19 Richard Henderson <rth@redhat.com> + + PR 5879 + * except.c (current_function_has_exception_handlers): New. + * except.h: Declare it. + * sibcall.c (optimize_sibling_and_tail_recursive_call): Use it. + Combine tests that disable all sibcalls for the function. + +2002-03-19 Olivier Hainque <hainque@act-europe.fr> + + * varasm.c (output_constant_def): Don't call ENCODE_SECTION_INFO + for INTEGER_CST. + +2002-03-19 Richard Henderson <rth@redhat.com> + + PR 5977, 5991 + * config/ia64/ia64.c: Revert 2002-03-01 patch. + * config/ia64/ia64.h (INIT_EXPANDERS): New. + +2002-03-19 Jim Blandy <jimb@redhat.com> + + * cppmacro.c (cpp_macro_definition): Emit a space after the macro + name, even if the replacement list contains no tokens, as required + by Dwarf. + +2002-03-19 Jason Merrill <jason@redhat.com> + + * varasm.c (globalize_decl): Get the name from the RTL, not + DECL_ASSEMBLER_NAME. + + * Makefile.in (LIBGCC2_DEBUG_CFLAGS): Set to -g. + +2002-03-19 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.md (adddi3, adddi_carry, subdi3, + subdi_carry): Define. + +2002-03-19 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000.c (rs6000_override_options): Only warn + about -fpic/-fPIC if extra_warnings set. + +2002-03-19 David Edelsohn <edelsohn@gnu.org> + + * expr.c (expand_expr): Sign-extend CONST_INT generated from + TREE_STRING_POINTER. + * fold-const.c (fold): Delete #if 0 ARRAY_REF case. + +Tue Mar 19 14:12:32 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/sparc/sparc.h (CAN_ELMINIATE): Can only eliminate FP + in favor of SP if FRAME_POINTER_REQUIRED is false. + +2002-03-19 Lars Brinkhoff <lars@nocrew.org> + + * emit-rtl.c (gen_int_mode): New function. + * rtl.h: Prototype for it. + * combine.c (make_extraction, simplify_comparison), expmed.c + (store_bit_field, expand_mult_highpart, expand_divmod), expr.c + (convert_modes, store_field), optabs.c (expand_fix), + simplify-rtx.c (neg_const_int, simplify_unary_real), + + * config/rs6000/rs6000.c, config/rs6000/rs6000.md: + Use it instead of GEN_INT (trunc_int_for_mode (...)). + +2002-03-19 Jakub Jelinek <jakub@redhat.com> + + PR c/5656 + * langhooks.h (struct lang_hooks_for_tree_inlining): Add + convert_parm_for_inlining. + * c-lang.c (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING): + Define. + * langhooks-def.h: Likewise. + * objc/objc-lang.c: Likewise. + * langhooks.c (lhd_tree_inlining_convert_parm_for_inlining): New + function. + * tree-inline.c (initialize_inlined_parameters): + Call convert_parm_for_inlining lang hook if needed. + * c-typeck.c (c_convert_parm_for_inlining): New function. + * c-tree.h (c_convert_parm_for_inlining): Add prototype. + +2002-03-18 Mark Mitchell <mark@codesourcery.com> + + * calls.c (precompute_arguments): Do not assume that temporaries + can be destroyed after expanding the argument. + (expand_call): Likewise. + +2002-03-15 Eric Christopher <echristo@redhat.com> + + * config/mips/mips.md (movdf_internal2): Add two new move constraints. + Fix register preference on last change. + * config/mips/mips.c (mips_return_in_memory): New function. + * config/mips/mips.h (RETURN_IN_MEMORY): Use. + * config/mips/mips-protos.h: Declare. + * config/mips/abi64.h (RETURN_IN_MEMORY): Remove. Add to above. + * config/mips/elf64.h: Add #ifndef/#endif brackets around defaults. + +2002-03-18 Alexandre Oliva <aoliva@redhat.com> + + * config/mips/mips.md (andsi3) [TARGET_MIPS16]: Force operand 1 to + a register too. + (anddi3, iorsi3): Likewise. + + * config/mips/mips.h (ENCODE_SECTION_INFO) [TARGET_MIPS16]: Don't + use %gprel for symbols that are going to be placed in linkonce + sections. + + * config/mips/mips.h (ELIMINABLE_REGS): Can't eliminate + RETURN_ADDRESS_POINTER_REGNUM to $ra. + (CAN_ELIMINATE): Only eliminate it to $sp if a frame pointer is + not needed. Disregard leaf_function_p(). + (INITIAL_ELIMINATION_OFFSET): Adjust for elimination of rap to + mips16 frame pointer. + * config/mips/mips.md (store ra): Only to small SP offsets. + 2001-08-22 Graham Stott <grahams@redhat.com> + * config/mips/mips.h (RETURN_ADDR_RTX): For a leaf function + return a REG rtx for the return address register. + +2002-03-18 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Treat + constant-pool addresses as "mode-dependent". + (GO_IF_LEGITIMATE_ADDRESS): Rename macro arguments. + +2002-03-18 Jakub Jelinek <jakub@redhat.com> + + PR target/5740 + * expr.c (emit_group_load): Use extract_bit_field if + needed for CONCAT arguments. + +2002-03-18 Richard Earnshaw <rearnsha@arm.com> + + PR target/4863 + * arm.md (tablejump): Make this a define_expand. For PIC add the + offset to the base of the table. + (thumb_tablejump): Matcher for Thumb tablejump insn. + * config/arm/aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output thumb entries + as the difference of two labels. + * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise. + * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Only put ARM jump + tables in the code. + * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise. + * arm.c (get_jump_table_size): If the table is not in the text + section, return zero. + +2002-03-18 Bernd Schmidt <bernds@redhat.com> + + * config/arm/arm.c (arm_gen_movstrqi): Use gen_lowpart instead + of gen_rtx_SUBREG. + (arm_reload_out_hi): Use gen_lowpart instead of + gen_rtx_SUBREG to access QImode components. + * config/arm/arm.md: Disable zero_extend split for QImode + subregs in BIG_ENDIAN mode. + (storehi_bigend): Match use of least significant byte. + (storeinthi): Remove extraneous SUBREG. + Add missing construction of operands[2]. + (movhi): Use gen_lowpart in place of gen_rtx_SUBREG. + (movqi): Use gen_lowpart in place of gen_rtx_SUBREG. + Replace gen_rtx (SUBREG) with gen_rtx_SUBREG. + +2002-03-18 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.h (PREDICATE_CODES): Add PARALLEL to + any_operand. + +2002-03-17 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (alpha_emit_set_const_1): Build add insns + explicitly. + +2002-03-17 Hans-Peter Nilsson <hp@bitrange.com> + + * config/mmix/mmix.md ("fixuns_truncdfdi2"): Use (unsigned_fix:DI + (unsigned_fix:DF op1)), not (unsigned_fix:DI (fix:DF op1)). + +2002-03-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * ifcvt.c (dead_or_predicable): Fix uninitialized variable. + + * predict.c (estimate_bb_frequencies): Delete unused variables. + +2002-03-17 Richard Henderson <rth@redhat.com> + + * config/ia64/ia64.c (ia64_attribute_table): Move before + targetm definition. Make static. + +2002-03-17 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-common.h (yyparse, c_common_parse_file): New. + * c-lang.c: Include c-common.h. + (LANG_HOOKS_PARSE_FILE): Redefine. + * c-lex.c: Include c-common.h. + (yyparse): Rename c_common_parse_file. Call yyparse. + * c-parse.in (yyparse): Remove macro. + * c-tree.h (yyparse_1): Remove. + * langhooks-def.h (LANG_HOOKS_PARSE_FILE): New. + (LANG_HOOKS_INITIALIZER): Update. + * langhooks.h (struct lang_hoooks): New hook parse_file. + * toplev.c (compile_file): Use parse_file hook. + * tree.h (yyparse): Remove. + * objc/objc-lang.c (LANG_HOOKS_PARSE_FILE): Redefine. + +2002-03-17 Hans-Peter Nilsson <hp@bitrange.com> + + * config/mmix/mmix.md ("truncdfsf2"): Correct operator is + float_truncate, not fix. + ("*truncdfsf2_real"): Ditto. + ("*nonlocal_goto_receiver_expanded"): Fix output template formatting. + + * config/mmix/mmix.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Don't define. + +2002-03-16 Alexandre Oliva <aoliva@redhat.com> + + * config/mips/mips.h (CAN_ELIMINATE): Don't eliminate rap to $fp + (s8), but rather HARD_FRAME_POINTER_REGNUM. Add parentheses + where appropriate. Make the second reference to + leaf_function_p a function call, as intended. Reindented. + + * config/mips/mips.h (ISA_HAS_COND_TRAP): Not available on MIPS16. + * config/mips/mips.md (trap) [TARGET_MIPS16]: Emit `break 0'. + + * config/mips/mips.md (addsi3, adddi3): Use scratch register to + add register to non-constant into sp. + + * config/mips/mips-protos.h (embedded_pic_fnaddr_reg): New. + * config/mips/mips.h (embedded_pic_fnaddr_rtx): Lose. + (mips16_gp_pseudo_rtx): Lose. + (INIT_EXPANDERS): Deleted. + * config/mips/mips.c (mips_init_machine_status): New. + (mips_free_machine_status): New. + (mips_mark_machine_status): New. + (override_options): Set them. + (embedded_pic_fnaddr_rtx, mips16_gp_pseudo_rtx): Moved to... + (struct machine_function): ... new. Replaced all references. + (mips_add_gc_roots): Don't mark them. + (embedded_pic_fnaddr_reg): New, extracted from... + (embedded_pic_offset): ... here. + * config/mips/mips.md (movdi): Call embedded_pic_fnaddr_reg. + (movsi): Likewise. + +2002-03-16 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinit.c: Revert -MD removal. + +2002-03-16 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.c (m68hc11_override_options): Don't use + soft registers by default for 68HC12. + (m68hc11_conditional_register_usage): Don't use Z register for 68HC12 + when compiling with -fomit-frame-pointer. + (expand_prologue): Use push/pop to allocate 4-bytes of locals on 68HC12. + (expand_epilogue): Likewise. + (m68hc11_gen_rotate): Use exg when rotating by 8. + +2002-03-16 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11-protos.h (ix_reg): Declare. + * config/m68hc11/m68hc11.md ("addsi3"): Use general_operand for sources. + (splits): Remove unused add splits. + ("*addhi3_68hc12"): Tune constraints. + ("addhi_sp"): Try to use X instead of Y in all cases and if the + constant fits in 8-bits and D is dead use abx/aby instructions. + ("*addhi3"): Remove extern declaration of ix_reg. + ("*subsi3"): Optimize and provide new split. + ("subhi3"): Cleanup. + ("*subhi3_sp"): Avoid saving X if we know it is dead. + (arith splits): For 68hc12 save the address register on the stack + and do the arithmetic operation with a pop. + +2002-03-16 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md ("*movqi_68hc12"): Fix constraints, avoid + allocating QImode in address registers. + ("*movqi_m68hc11"): Likewise. + +Sat Mar 16 12:57:28 CET 2002 Jan HUbicka <jh@suse.cz> + + * cfgcleanup.c (cleanup_cfg): Fix updating of liveness. + +2002-03-16 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinit.c (print_help): Display -MD and -MMD. + Don't display usage string. Update assertion syntax and + typo. + (COMMAND_LINE_OPTIONS): Remove OPT_MD, OPT_MMD. + (cpp_handle_option): Update. + +2002-03-15 Chris Demetriou <cgd@broadcom.com> + + * config/mips/mips.h (SUBTARGET_CPP_SIZE_SPEC): Provide an + MEABI case for each definition of SUBTARGET_CPP_SIZE_SPEC, + and define it so that regardless of target CPU size, + __SIZE_TYPE__ and __PTRDIFF_TYPE__ are defined in terms + of "int" rather than "long." + +2002-03-15 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (alpha_va_arg): Manipulate the type + size as a tree. + +2002-03-15 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md ("tstqi_1"): Try to use ldab instead of tst. + ("tstqi" split): Avoid using memory for tstqi on address register. + (splits): Remove constraints. + ("cmphi_1_hc12"): New from "cmphi_1" and tuned for 68HC12. + ("cmpdf", "cmpsf"): Remove since not used. + ("*tbeq", "*tbne", "*tbeq8", "*tbne8"): Also look in cc_status.value2. + (peephole2): New peepholes to optimize tstqi and pre inc/dec addressing. + +2002-03-15 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md ("negsi2"): Optimize inline case. + ("neghi2"): Tighten constraints. + ("one_cmplsi2"): Optimize and simplify split. + * config/m68hc11/larith.asm (__negsi2): Likewise for library. + +2002-03-15 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md ("logicalsi3_zexthi"): Fix constraints + and split of AND operation to clear the upper bits. + ("*logicalsi3_zextqi"): Likewise. + ("*logicallhi3_zexthi_ashift8"): Likewise. + ("*logicalsi3_silshr16"): Likewise. + ("logicalsi3_silshl16"): Likewise. + ("anddi3", "iordi3", "xordi3" splits): Remove constraints. + +2002-03-15 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.c (m68hc11_symbolic_p): New function. + (m68hc11_indirect_p): New function. + (m68hc11_override_options): Must set MASK_NO_DIRECT_MODE for 68HC12. + (m68hc11_gen_highpart): Use TARGET_NO_DIRECT_MODE instead of + TARGET_M6812. + (asm_print_register): Likewise. + * config/m68hc11/m68hc11-protos.h (m68hc11_symbolic_p): Declare. + (m68hc11_indirect_p): Declare. + * config/m68hc11/m68hc11.h (EXTRA_CONSTRAINT): New constraint 'R', 'Q'. + (TARGET_NO_DIRECT_MODE, TARGET_RELAX): New. + (TARGET_SWITCHES): New option -mrelax. + * config/m68hc11/m68hc11.md ("andsi3"): Allow soft register for + destination. + ("iorsi3", "xorsi3"): Likewise. + ("andhi3", "andqi3", "iorhi3", "iorqi3"): Use a define_expand. + ("*andhi3_mem"): New to handle destination in memory with bclr + and a scratch register. + ("*andqi3_mem", "*iorhi3_mem", "*iorqi3_mem"): Likewise. + ("*andhi3_const"): New when operand2 is constant. + ("*andqi3_const", "*iorhi3_const", "*iorqi3_const"): Likewise. + ("*andhi3_gen"): Cleanup of the old "andhi3". + ("*andqi3_gen", "*iorhi3_gen", "*iorqi3_gen"): Likewise. + ("xorqi3"): Update constraints. + +2002-03-15 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.c (m68hc11_small_indexed_indirect_p): Look + for reg_equiv_memory_loc when the operand is a register that does + not get a hard register (stack location). + (tst_operand): After reload, accept all memory operand. + (symbolic_memory_operand): Fix detection of symbolic references. + * config/m68hc11/m68hc11.h (VALID_CONSTANT_OFFSET_P): For 68HC12 + accept symbols and any constant. + +2002-03-15 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.c (emit_move_after_reload): Add a REG_INC + note on the insn that sets the soft frame register. + (must_parenthesize): ix and iy are also reserved names. + (print_operand_address): One more place where parenthesis are required + to avoid confusion with register names. + (m68hc11_gen_movhi): Allow push of stack pointer. + (m68hc11_check_z_replacement): Fix handling of parallel with a + clobber. + (m68hc11_z_replacement): Must update the REG_INC notes to tell what + the replacement register is. + * config/m68hc11/m68hc11.h (REG_CLASS_CONTENTS): Switch Z_REGS + and D8_REGS classes. + (MODES_TIEABLE_P): All modes are tieable except QImode. + +2002-03-15 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/larith.asm (___adddi3): Optimize saving of result. + (___subdi3): Likewise. + (__mulsi3, __mulhi32): Avoid using _.tmp scratch location. + (__map_data_section): Optimize 68hc11 case. + +2002-03-15 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.c (m6812_cost): Make cost of add higher + than a shift to avoid adding a register with itself. + (m68hc11_memory_move_cost): Take into account NO_REGS. + (m68hc11_register_move_cost): Update and use memory move cost + for soft registers. + (m68hc11_address_cost): Make cost of valid offset not 0 so that + it gives more opportunities to cse to optimize. + * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Pass the mode. + * config/m68hc11/m68hc11-protos.h (m68hc11_register_move_cost): Update. + +2002-03-15 Mark Mitchell <mark@codesourcery.com> + + * c-common.c (statement_code_p): Handle CLEANUP_STMT. + * c-common.def (CLEANUP_STMT): New tree node. + * c-common.h (CLEANUP_DECL): New macro. + (CLEANUP_EXPR): Likewise. + * c-semantics.c (expand_stmt): Handle CLEANUP_STMT. + * expr.c (expand_expr): Tidy. + * tree-dump.c (dequeue_and_dump): Handle CLEANUP_STMT. + * tree-inline.c (initialize_inlined_parameters): Clean up + new local variables. + +2002-03-15 Jakub Jelinek <jakub@redhat.com> + + PR bootstrap/4128 + * config/sparc/sparc.c (gen_v9_scc): Move early clobber test + before movrXX only, use reg_overlap_mentioned_p. + Only special case NE if just one insn can be generated. + +2002-03-15 Jason Merrill <jason@redhat.com> + + * varasm.c (assemble_variable): Call resolve_unique_section before + checking DECL_SECTION_NAME. Use zeros for a decl with DECL_INITIAL + of error_mark_node. + +2002-03-15 Richard Earnshaw <rearnsha@arm.com> + + PR target/5170 + * arm.md (split pattern for thumb shiftable immediates): Add comment + explaining non-obvious test. + +2002-03-15 Richard Earnshaw <rearnsha@arm.com> + + PR target/5712 + * arm.md (movaddr, movaddr_insn): Delete. + +2002-03-15 Jason Merrill <jason@redhat.com> + + * toplev.c (wrapup_global_declarations): Clarify variable handling. + -fkeep-static-consts doesn't apply to comdats. + +2002-03-14 Richard Henderson <rth@redhat.com> + + * c-decl.c: Include c-pragma.h. + (start_decl, start_function): Invoke maybe_apply_pragma_weak. + (finish_function): Tidy. + * c-pragma.c: Include c-common.h. + (pending_weaks, apply_pragma_weak, maybe_apply_pragma_weak): New. + (handle_pragma_weak): Use them. + (init_pragma): Register pending_weaks. + * c-pragma.h (maybe_apply_pragma_weak): Declare. + * print-tree.c (print_node): Print DECL_WEAK. + * varasm.c (mark_weak_decls): Remove. + (remove_from_pending_weak_list): Remove. + (add_weak): Remove. + (asm_emit_uninitialised): Call globalize_decl for weak commons. + (weak_decls): Make a tree_list. + (declare_weak): Cons weak_decls directly. + (globalize_decl): Remove weak_decls elements directly. + (weak_finish): Simplify weak_decls walk. Don't weaken unused + symbols. Don't pretend to handle aliases. + (init_varasm_once): Update weak_decls registry. + * Makefile.in: Update dependencies. + +2002-03-14 Richard Henderson <rth@redhat.com> + + PR target/5312 + * config/ia64/ia64.c: Include tm_p.h last. + (gen_nop_type): Remove duplicate definition. + (cycle_end_fill_slots): Set sched_data for second L slot. + (maybe_rotate): Call cycle_end_fill_slots to fill in nop slots. + (nop_cycles_until): Fix typos. + +2002-03-15 Jakub Jelinek <jakub@redhat.com> + + PR optimization/5891 + * unroll.c (copy_loop_body) [CALL_INSN]: Copy SIBLING_CALL_P flag. + +2002-03-14 David Mosberger <davidm@hpl.hp.com>, Hans Boehm <Hans_Boehm@hp.com> + + * config/ia64/unwind-ia64.c: Handle copy_state and label_state + descriptors correctly. + +2002-03-14 Michael Meissner <meissner@redhat.com> + + * params.def (PARAM_MAX_UNROLLED_INSNS): New macro, default to + 100, allowing MAX_UNROLLED_INSNS to be overridden. + + * params.h (MAX_UNROLLED_INSNS): Define so it can be overridden by + --param. + + * unroll.c (params.h): Include. + (MAX_UNROLLED_INSNS): Delete, now in params.h. + + * doc/invoke.texi (--param max-unroll-insns): Document. + + * Makefile.in (unroll.o): Add $(PARAMS_H) dependency. + +2002-03-14 Richard Earnshaw <rearnsha@arm.com> + + * arm.md: Fix warnings about constraints in peepholes and splits. + +2002-03-14 Zack Weinberg <zack@codesourcery.com> + + * cpphash.h (struct lexer_state): Remove line_extension member. + * cpplib.c (dequote_string, do_linemarker): New functions. + (linemarker_dir): New data object. + (DIRECTIVE_TABLE): No longer need to interpret #line in + preprocessed source. Delete obsolete comment about return + values of handlers. + (end_directive, directive_diagnostics, _cpp_handle_directive): + Don't muck with line_extension. + (directive_diagnostics): No need to issue warnings for + linemarkers here. + (_cpp_handle_directive): Issue warnings for linemarkers here, + when appropriate. Dispatch linemarkers to do_linemarker, not + do_line. + (do_line): Code to handle linemarkers split out to do_linemarker. + Convert escape sequences in filename argument, both places. + + * cppmacro.c (quote_string): Rename cpp_quote_string and + export. All callers changed. + * cpplib.h (cpp_quote_string): Prototype. + * cppmain.c (print_line): Call cpp_quote_string on to_file + before printing it. + + * doc/cpp.texi: Document that escapes are now interpreted in + #line and in linemarkers, and that non-printing characters are + converted to octal escapes when linemarkers are generated. + +Thu Mar 14 19:04:29 CET 2002 Jan Hubicka <jh@suse.cz> + + * emit-rtl.c (try_split): Use delete_insns. + * recog.c (split_all_insns): Fix terminating condition. + +2002-03-14 Richard Earnshaw <rearnsha@arm.com> + Jeroen Dobbelaere <jeroen.dobbelaere@acunia.com> + + PR target/5828 + * arm.c (arm_output_epilogue): Fix floating-point register save + adjustment when using a frame pointer. + +2002-03-14 Richard Sandiford <rsandifo@redhat.com> + + * config/mips/mips.h (FP_INC, UNITS_PER_FPVALUE): New macros. + * config/mips/mips.c (compute_frame_size): Retrofit them here. + (save_restore_insns, mips_expand_epilogue): And here. + (build_mips16_call_stub): And here. + (mips_function_value): Use the new macros to decide whether a single + or complex float can be returned in floating-point registers. Return + a parallel rtx in the complex case. + +Thu Mar 14 11:03:12 CET 2002 Jan Hubicka <jh@suse.cz> + + * toplev.c (rest_of_compilation): Add CLEANUP_UPDATE_LIFE to cfg_cleanup + call after liveness analysis. + + * recog.c (split_insn): Use delete_insn_and_edges. + + * cfgrtl.c (verify_flow_info): Be permisive about non-any_condjump + instructions to have branch prediction notes. + * ia64reorg.c (ia64_reorg): Do not rebuild CFG. + +2002-03-14 Geoffrey Keating <geoffk@redhat.com> + + * configure.in: Don't pass -Wno-long-long to a ADA compiler + that doesn't support it. + * configure: Regenerate. + +2002-03-13 Jakub Jelinek <jakub@redhat.com> + + PR target/5626 + * config/sparc/sparc.md (normal_branch, inverted_branch, + normal_fp_branch, inverted_fp_branch, normal_fpe_branch, + inverted_fp_branch): Adjust calls to output_cbranch. + Set length attribute. + (normal_int_branch_sp64, inverted_int_branch_sp64): Adjust calls to + output_v9branch. Set length attribute. + * config/sparc/sparc.c (fcc0_reg_operand, noov_compare64_op): New + predicates. + (noov_compare_op): Handle CCX_NOOVmode the same way as CC_NOOVmode. + (output_cbranch): Likewise. Handle far branches. + (output_v9branch): Handle far branches. + * config/sparc/sparc-protos.h (output_cbranch, output_v9branch): + Adjust prototypes. + * config/sparc/sparc.h (PREDICATE_CODES): Add fcc0_reg_operand and + noov_compare64_op predicates. + +2002-03-13 Jason Merrill <jason@redhat.com> + + * gthr-posix.h (__gthread_active_p): Move __gthread_active_ptr + into the function and constify it. + * gthr-dce.h, gthr-solaris.h: Likewise. + +2002-03-13 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000.h (PAD_VARARGS_DOWN): Define. + * config/rs6000/rs6000.c (rs6000_va_arg): Use + std_expand_builtin_va_arg if not ABI_V4. + +2002-03-13 Jason Merrill <jason@redhat.com> + + * varasm.c (globalize_decl): New fn. + (assemble_start_function): Use it. + (asm_emit_uninitialized): Use it. + (assemble_alias): Use it. + (assemble_variable): Use it. + +2002-03-13 Hans-Peter Nilsson <hp@axis.com> + + * config/cris/cris.c (cris_target_asm_function_prologue): Revert + 2002-03-12 internal visibility change. + (cris_encode_section_info): Consider MODULE_LOCAL_P when encoding + visibility into SYMBOL_REF_FLAG. + +2002-03-13 Ulrich Weigand <uweigand@de.ibm.com> + + * expr.c (expand_expr, case NE_EXPR): Do not call copy_to_reg with + VOIDmode operand. Add compile-time optimization for constant results. + +2002-03-12 Jason Merrill <jason@redhat.com> + + * c-typeck.c (convert_for_assignment): Don't allow conversions + between pointers and references. Only allow lvalues to convert to + reference. + +2002-03-13 Hartmut Penner <hpenner@de.ibm.com> + + * config/s390/s390.h (PROFILE_BEFORE_PROLOGUE): Emit profile code + before prologue, to avoid scheduling problems. + +2002-03-13 Jakub Jelinek <jakub@redhat.com> + + * config/sparc/sparc.h (INITIAL_FRAME_POINTER_OFFSET): Remove. + (ELIMINABLE_REGS): Add sfp->sp. + (INITIAL_ELIMINATION_OFFSET): Compute sfp->sp offset too. + +2002-03-13 Jakub Jelinek <jakub@redhat.com> + + PR optimization/5892 + * config/ia64/ia64.c (rotate_one_bundle): Update current packet. + +2002-03-13 Jakub Jelinek <jakub@redhat.com> + + * loop.c (basic_induction_var): Don't call convert_modes if mode + classes are different. + +2002-03-12 Richard Henderson <rth@redhat.com> + + PR optimization/5901 + * function.c (reposition_prologue_and_epilogue_notes): Position + the markers after/before the last/first insn not deleted. + +2002-03-12 Richard Henderson <rth@redhat.com> + + PR optimization/5878 + * config/arc/arc.h, config/cris/cris.h, config/i386/i386.h, + config/m68k/m68k.h, config/s390/s390.h, config/sparc/sparc.h + (PIC_OFFSET_TABLE_REGNUM): Conditionalize on flag_pic. + + * config/arm/arm.h config/i386/i386.h, config/m68k/m68k.h, + config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Set + PIC_OFFSET_TABLE_REGNUM based on INVALID_REGNUM not flag_pic. + + * config/arc/arc.h (CONDITIONAL_REGISTER_USAGE): New. + * config/arm/arm.c (arm_pic_register): Init to INVALID_REGNUM. + (arm_override_options): Set arm_pic_register if TARGET_APCS_STACK + also. Don't set it if not flag_pic. + * config/i386/i386.c (ix86_save_reg): Trust PIC_OFFSET_TABLE_REGNUM + to be INVALID_REGNUM when not used. + +2002-03-13 Aldy Hernandez <aldyh@redhat.com> + + * expmed.c (store_bit_field): Reset alias set for memory. + (extract_bit_field): Same. + +2002-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-common.c (c_tree_code_type, c_tree_code_length, + c_tree_code_name, add_c_tree_codes): Delete. + * c-common.h (add_c_tree_codes): Delete. + * c-lang.c (tree_code_type, tree_code_length, tree_code_name): + Define. + * c-objc-common.c (c_objc_common_init): Don't call + add_c_tree_codes, instead set lang_unsafe_for_reeval. + * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length, + objc_tree_code_name, add_objc_tree_codes): Delete. + (objc_init): Don't call add_objc_tree_codes. + * objc/objc-lang.c (tree_code_type, tree_code_length, + tree_code_name): Define. + * toplev.c (lang_independent_init): Don't set + tree_code_length[IDENTIFIER_NODE]. + * tree.c (tree_code_type, tree_code_length, tree_code_name): + Delete definitions, moved to language front-ends. + * tree.def (IDENTIFIER_NODE): Hardwire the length. + * tree.h (tree_code_type, tree_code_length, tree_code_name): + Const-ify. + (tree_code_length): Change type to unsigned char. + +2002-03-12 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (ix86_expand_prologue): Revert 2002-03-03 + internal visibility change. + +2002-03-12 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.c (xtensa_expand_block_move): Use + validize_mem() instead of change_address to avoid clobbering + memory attributes. + +2002-03-12 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lex.h (position_after_whitespace): Remove. + +2002-03-12 Jakub Jelinek <jakub@redhat.com> + + * c-lex.c (cb_ident, c_lex): Remove unnecessary cast. + (lex_string): Use unsigned char pointers. + +2002-03-12 Ulrich Weigand <uweigand@de.ibm.com> + + * reload1.c (reload): Ignore MEM REG_EQUIV notes if the equivalent + is not a valid memory_operand. + +2002-03-12 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa-config.h: Define XCHAL_HAVE_LOOPS. + * config/xtensa/lib1funcs.asm: Fix copyright to include + special case for libgcc files. + (__udivsi3): Avoid loop instructions when XCHAL_HAVE_LOOPS is 0. + (__divsi3): Likewise. + (__umodsi3): Likewise. + (__modsi3): Likewise. + * config/xtensa/lib2funcs.S: Fix copyright to include + special case for libgcc files. + +2002-03-12 Tom Rix <trix@redhat.com> + + * collect2.c (resolve_lib_name): Move outside of + OBJECT_FORMAT_COFF ifdef. + (ignore_library): Same. + +2002-03-12 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/t-xtensa (CRTSTUFF_T_CFLAGS_S): Define. + +2002-03-12 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Switch + to function_section before writing out the constant pool. + +2002-03-12 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000.h (PREDICATE_CODES): Add any_operand and + zero_constant. + * config/rs6000/rs6000.c (easy_fp_constant): Fix formatting. + +2002-03-12 Alan Modra <amodra@bigpond.net.au> + + * config/rs6000/rs6000.md (addsi3): Optimize sign extension. + (adddi3): Likewise. + (movdf): Likewise. + (movdi): Likewise. + (cmpsi splitter): Likewise. + (modsi3): Fail if <= 0. + * config/rs6000/rs6000.c (reg_or_add_cint64_operand): Remove + redundant test when HOST_BITS_PER_WIDE_INT != 32. + (reg_or_sub_cint64_operand): Likewise. + (num_insns_constant_wide): Optimize sign extension. + (rs6000_legitimize_address): Likewise. + +2002-03-12 Andrew MacLeod <amacleod@redhat.com> + + * config/sparc/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define. + * config/sparc/linux64.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define. + +2002-03-12 Andrew MacLeod <amacleod@redhat.com> + + * config/sparc/sparc.h (RETURN_ADDR_RTX): Include v9 stack bias in + address calculation. + +2002-03-12 Ulrich Weigand <uweigand@de.ibm.com> + + * config/s390/s390.md (reload_insi, reload_indi): Change mode of + scratch register to DImode / TImode. + config/s390/s390.c (s390_expand_plus_operand): Make sure scratch + register used does not overlap the target. + +2002-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (debug.o): Depend on debug.h. + * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Const-ify. + * debug.c (do_nothing_debug_hooks): Likewise. + * debug.h (debug_hooks, do_nothing_debug_hooks, dbx_debug_hooks, + sdb_debug_hooks, xcoff_debug_hooks, dwarf_debug_hooks, + dwarf2_debug_hooks, vmsdbg_debug_hooks): Likewise. + * dwarf2out.c (dwarf2_debug_hooks): Likewise. + * dwarfout.c (dwarf_debug_hooks): Likewise. + * integrate.c (output_inline_function): Likewise. + * objc/objc-act.c (synth_module_prologue): Likewise. + * sdbout.c (sdb_debug_hooks): Likewise. + * toplev.c (debug_hooks): Likewise. + * vmsdbgout.c (vmsdbg_debug_hooks): Likewise. + +2002-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * 1750a.h, a29k.h, arc.h, arm.h, c4x.h, clipper.h, cris.h, d30v.h, + dsp16xx.h, fr30.h, h8300.h, i370.h, i386.h, i860.h, i960.h, + m32r.h, m68hc11.h, m68k.h, m88k.h, mcore.h, mmix.h, mn10300.h, + ns32k.h, pa.h, pdp11.h, pj.h, romp.h, s390.h, stormy16.h, + v850.h, vax.h, we32k.h, xtensa.h (POINTER_SIZE): Delete. + * defaults.h (POINTER_SIZE): Define. + * doc/tm.texi (POINTER_SIZE): Document default. + +2002-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * mn10200.h (PTRDIFF_TYPE): Change it to a signed type. + +2002-03-11 Richard Henderson <rth@redhat.com> + + * toplev.c (rest_of_compilation): Call purge_all_dead_edges + if rebuild_label_notes_after_reload. + +2002-03-12 Hans-Peter Nilsson <hp@axis.com> + + * config/cris/cris.c (cris_target_asm_function_prologue): Do not + emit pic register load if "internal" visibility. + (cris_print_operand): Avoid traditional-warning for 0xffffffff. + (cris_expand_builtin_va_arg): Do all computations on trees. + +2002-03-11 Richard Henderson <rth@redhat.com> + + * rtlanal.c: Include recog.h. + (keep_with_call_p): Fix thinko. + * Makefile.in (rtlanal.o): Update dependencies. + +2002-03-11 Chris Meyer <cmeyer@gatan.com> + + * genflags.c (gen_insn): Use IS_VSPACE. + * genoutput.c (output_insn_data): Likewise. + (process_template): Likewise. + +2002-03-11 Richard Henderson <rth@redhat.com> + + * toplev.c (rest_of_compilation): Don't compile if we've had errors. + +2002-03-11 Neil Booth <neil@daikokuya.demon.co.uk> + + * Makefile.in: Update. + * doc/cppenv.texi, cppopts.texi: Split out of cpp.texi and gcc.texi. + Update documentation. + * doc/gcc.texi: Include cppopts.texi and cppenv.texi. + * doc/cpp.texi: Include cppopts.texi and cppenv.texi. + +2002-03-11 Zack Weinberg <zack@codesourcery.com> + + * Makefile.in: Give texi2pod its input file as a command line + argument, not on stdin. + +2002-03-11 Dan Nicolaescu <dann@ics.uci.edu> + Daniel Berlin <dan@dberlin.org> + + C++ alias analysis improvement. + * alias.c (record_component_aliases): Record aliases for base + classes too. + +2002-03-11 Ulrich Weigand <uweigand@de.ibm.com> + + * config/s390/s390.h (REG_ALLOC_ORDER): Add missing register. + +2002-03-11 Douglas B Rupp <rupp@gnat.com> + + * toplev.c (vms_fopen): Remove, not needed. + + * vmsdbgout.c (lookup_filename): Adjust creation date for GMT. + + * config/alpha/xm-vms.h (__UNIX_FWRITE): Define. + + * config/alpha/alpha.c (alpha_sa_size, VMS): Don't reserve space + for FP, already done later. + + * toplev.c (debug_args): Add entry for VMS_DEBUG. + * vmsdbgout.c (vmsdbgout_init): Fix typo in call to xmalloc. + +2002-03-11 Richard Sandiford <rsandifo@redhat.com> + + * defaults.h (LARGEST_EXPONENT_IS_NORMAL, ROUND_TOWARDS_ZERO): New. + (MODE_HAS_NANS, MODE_HAS_INFINITIES): Evaluate to false if + LARGEST_EXPONENT_IS_NORMAL for the given mode. + (MODE_HAS_SIGN_DEPENDENT_ROUNDING): False when ROUND_TOWARDS_ZERO. + * real.c (eadd1): Make rounding dependent on !ROUND_TOWARDS_ZERO. + (ediv, emul, eldexp, esqrt): Likewise. + (etoe113, etoe64, etoe53, etoe24, etodec, etoibm, etoc4x): Likewise. + (e24toe): Only check NaNs & infinities if !LARGEST_EXPONENT_IS_NORMAL. + (saturate): New function. + (toe53, toe24): Saturate on overflow if LARGEST_EXPONENT_IS_NORMAL. + (make_nan): Use a saturation value instead of a NaN if + LARGEST_EXPONENT_IS_NORMAL. Warn when this happens. + * fp-bit.c (pack_d): Saturate on NaN, infinite or overflowing + inputs if LARGEST_EXPONENT_IS_NORMAL. Represent subnormals as + zero if NO_DENORMALS. Only round to nearest if !ROUND_TOWARDS_ZERO. + (unpack_d): No NaNs or infinities if LARGEST_EXPONENT_IS_NORMAL. + (_fpmul_parts, _fpdiv_parts): Only round to nearest if + !ROUND_TOWARDS_ZERO. + * doc/tm.texi (LARGEST_EXPONENT_IS_NORMAL): Document. + (ROUND_TOWARDS_ZERO): Document. + +2002-03-11 Andreas Jaeger <aj@suse.de> + + * cfg.c (dump_flow_info): Remove unused variable. + +2002-03-11 Hans-Peter Nilsson <hp@bitrange.com> + + * config/mmix/mmix.c (mmix_expand_builtin_va_arg): Do all + computations on trees. + +2002-03-10 Richard Henderson <rth@redhat.com> + + PR 5693: + * reload.c (copy_replacements_1): New. + (copy_replacements): Use it to recurse through the rtx. + +2002-03-10 Richard Henderson <rth@redhat.com> + + * loop.c (strength_reduce): Compute number of iterations as + unsigned HOST_WIDE_INT. + +2002-03-10 Richard Henderson <rth@redhat.com> + + * sched-rgn.c (add_branch_dependences): Don't allow insns that throw + to move away from the end of the block. + +2002-03-10 Neil Booth <neil@daikokuya.demon.co.uk> + + PR preprocessor/5899 + * cppinit.c (init_dependency_output): Don't ignore -dM etc. + +2002-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * mbchar.c (JIS_state_table, JIS_action_table): Const-ify. + + * attribs.c (decl_attributes): Fix signed/unsigned warning. + +2002-03-10 Hans-Peter Nilsson <hp@bitrange.com> + + * config/mmix/mmix.c: Improve comments. + (mmix_target_asm_function_prologue): Drop variable + empty_stack_frame. Don't allocate unused slot above fp. + (mmix_target_asm_function_epilogue): Mirror prologue changes. + * config/mmix/mmix.h (MMIX_GNU_ABI_REG_ALLOC_ORDER): Don't have + brace in first column. + (enum reg_class): Ditto. + (FIRST_PARM_OFFSET): Now 0. + (USER_LABEL_PREFIX): Remove #if 0:d definition. + +2002-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * combine.c (make_extraction): Fix error in last change. + +2002-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c4x.c (c4x_fp_reglist): Const-ify. + * cris.c (cris_print_operand): Likewise. + * i386.c (ix86_va_arg): Likewise. + * ia64/unwind-ia64.c (unw_decode_table): Likewise. + * m32r.c (m32r_hard_regno_mode_ok): Likewise. + * m32r.h (m32r_hard_regno_mode_ok): Likewise. + * mcore.c (regno_reg_class, mcore_unique_section): Likewise. + * mcore.h (regno_reg_class): Likewise. + * mips.c (gen_int_relational): Likewise. + * ns32k.c (ns32k_reg_class_contents, regclass_map): Likewise. + * ns32k.h (ns32k_reg_class_contents, regclass_map): Likewise. + * pdp11.c (move_costs): Likewise. + * pj.h (INITIALIZE_TRAMPOLINE): Likewise. + * s390.c (s390_branch_condition_mnemonic, regclass_map): + Likewise. + * s390.h (regclass_map): Likewise. + * sh.c (shift_amounts): Likewise. + * sh.md (rotlsi3): Likewise. + +2002-03-09 Geoffrey Keating <geoffk@redhat.com> + + * config/rs6000/rs6000.md (ne0+4): Add extra CLOBBER. + (ne0+5): Use new clobber to generate proper shift pattern. + Patch by Michael Matz <matz@kde.org>. + +2002-03-09 Andreas Schwab <schwab@suse.de> + + * gcc.c (validate_all_switches): Also handle `%W{...}'. + +2002-03-09 Geoffrey Keating <geoffk@redhat.com> + + * config/rs6000/sysv4.h (BIGGEST_ALIGNMENT): Don't define. + +2002-03-09 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/5877 + * expr.c (highest_pow2_factor): Check TREE_INT_CST_LOW + even for non-representable constants. + +Sat Mar 9 07:20:01 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * emit-rtl.c (copy_most_rtx): Accept EXPR_LIST for may_share. + * function.c (fixup_var_refs): Add MAY_SHARE parameter. + (fixup_var_refs_insns, fixup_var_refs_insns_with_has): Likewise. + (fixup_var_refs_insn, fixup_var_refs_1): Likewise. + (pop_function_context): Compute MAY_SHARE parameter for + fixup_var_refs. + (fixup_var_refs_1, case MEM): Pass MAY_SHARE to copy_most_rtx, not VAR. + (gen_mem_addressof): Call fixup_var_refs with new parm. + + * combine.c (make_extraction): Don't make extension of CONST_INT. + +2002-03-09 Alexandre Oliva <aoliva@redhat.com> + + * config/mips/mips.c (function_arg_pass_by_reference): Force to 0 + in o32 and o64 ABIs. + * config/mips/abi64.h (MUST_PASS_IN_STACK): Define as in expr.h, + but getting fixed-size structs passed in registers regardless of + padding in o32 and o64 ABIs. + + * config/mips/mips.c (mips_va_arg): Apply big-endianness address + offset before loading address of argument passed by transparent + reference. + +2002-03-08 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * t-pa64 (LIB1ASMFUNCS, LIB1ASMSRC): Delete. + +2002-03-09 Alexandre Oliva <aoliva@redhat.com> + + * config/mips/mips.c (mips_expand_prologue): Set regno of vararg + marker such that registers after it are saved. + +2002-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * sparc.c (arith_4096_operand): Fix error in last change. + +2002-03-08 Alexandre Oliva <aoliva@redhat.com> + + * config/mips/mips.h (SUBTARGET_CPP_SIZE_SPEC): Remove duplicate + defaults for MEABI. + +2002-03-08 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.c (rs6000_va_arg): Fix alignment for + vectors. + +2002-03-08 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/sysv4.h (BIGGEST_ALIGNMENT): Change for altivec. + +Fri Mar 8 21:27:49 CET 2002 Jan Hubicka <jh@suse.cz> + + * cfgrtl.c (purge_dead_edges): Set BB_DRITY flags if edge has been + removed; fix return value. + * combine.c (combine_instructions): Dirtify blocks where we failed to + update liveness; purge dead edges; use update_life_info_in_dirty_blocks. + * toplev.c (rest_of_compilation): Do not purge_dead_edges after combine. + +2002-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * gcse.c (insert_insn_end_bb): Fix typo in last change. + +Fri Mar 8 21:08:52 CET 2002 Jan Hubicka <jh@suse.cz> + + * recog.c (peephole2_optimize): Re-distribute EH edges. + +2002-03-08 Neil Booth <neil@daikokuya.demon.co.uk> + + * expr.c (expand_expr): Use unsave lang hook. + * langhooks-def.h (LANG_HOOKS_UNSAVE): New. + (LANG_HOOKS_INITIALIZER): Update. + * langhooks.h (struct lang_hooks): New hook unsave. + * tree.c (lang_unsave, lang_unsave_expr_now): Remove. + (unsave_expr_1): Remove unused lang_unsave_expr_now. + (unsave_expr_now_r): Rename lhd_unsave. Update. Return input. + (unsave_expr_now): Remove. + * tree.h (unsave_expr_now, lang_unsave, + lang_unsave_expr_now): Remove. + (lhd_unsave): New. + +2002-03-08 Andreas Jaeger <aj@suse.de> + + * flow.c (propagate_block_delete_insn): Remove unused variable. + +2002-03-08 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (h8300_adjust_insn_length): Tighten + insn length for memory load/store. + +2002-03-08 Craig Rodrigues <rodrigc@gcc.gnu.org> + + * doc/install.texi (--with-libiconv-prefix): Document. + +2002-03-08 Michael Y. Brukman <myb2@cornell.edu> + + * doc/sourcebuild.texi: Fix typo. + +2002-03-08 Jakub Jelinek <jakub@redhat.com> + + PR c/3711 + * builtins.c (std_expand_builtin_va_arg): Do all computations on + trees. + +Fri Mar 8 06:48:45 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * rtl.c (copy_most_rtx): Move from here ... + * emit-rtl.c (copy_most_rtx): ... to here. + +2002-03-08 Alexandre Oliva <aoliva@redhat.com> + + * config/mips/mips.h (LONG_MAX_SPEC): Rewrite, along with + SUBTARGET_CPP_SIZE_SPEC. + * config/mips/abi64.h (LONG_MAX_SPEC): Delete. + + * config/mips/mips.h (SUBTARGET_CPP_SIZE_SPEC): Simplify. + +2002-03-07 Matt Hiller <hiller@redhat.com> + + * gensupport.c (first_dir_md_include): Renamed from include; + change all references. + (last_dir_md_include): Renamed from last_include; change all + references. + (init_md_reader): Unconditionally initialize base_dir whether or + not filename is a relative path. + +2002-03-07 Alexandre Oliva <aoliva@redhat.com> + + * config/fp-bit.c (_unord_f2): Compile it in even if + US_SOFTWARE_GOFAST is enabled. + + * config/gofast.h (GOFAST_RENAME_LIBCALLS): Set gt and ge as + NULL_RTX. Set all HFmode operations as NULL_RTX. + * optabs.c (prepare_float_lib_cmp) <GT, GE, LT, LE>: If libfunc is + NULL_RTX, try reversing the comparison and the operands. + +2002-03-06 Ulrich Weigand <uweigand@de.ibm.com> + + * genextract.c (walk_rtx): Recurse into MATCH_PAR_DUP. + genoutput.c (scan_operands): Recurse into MATCH_PAR_DUP + and MATCH_OP_DUP. + +Thu Mar 7 16:54:10 CET 2002 Jan Hubicka <jh@suse.cz> + + * reload1.c (reload_cse_delete_noop_set): Purge dead edges. + +Thu Mar 7 16:33:54 CET 2002 Jan Hubicka <jh@suse.cz> + + * basic-block.h (fixup_abnormal_edges): Declare. + * reload1.c (fixup_abnormal_edges): New function. + * reg-stack.c (convert_regs): Use it. + + * gcse.c (insert_insn_end_bb): Handle trapping insns. + + * gcse.c (hash_scan_set): Refuse instructions with EH edges. + +2002-03-07 Richard Sandiford <rsandifo@redhat.com> + + * defaults.h (MODE_HAS_NANS, MODE_HAS_INFINITIES): New. + (MODE_HAS_SIGNED_ZEROS, MODE_HAS_SIGN_DEPENDENT_ROUNDING): New. + * flags.h (HONOR_NANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS): New. + (HONOR_SIGN_DEPENDENT_ROUNDING): New. + * builtins.c (expand_builtin_mathfn): Use HONOR_NANS. + * c-common.c (truthvalue_conversion): Reduce x - y != 0 to x != y + unless x and y could be infinite. + (expand_unordered_cmp): New, mostly split from expand_tree_builtin. + Check that the common type of both arguments is a real, even for + targets without unordered comparisons. Allow an integer argument + to be compared against a real. + (expand_tree_builtin): Use expand_unordered_cmp. + * combine.c (combine_simplify_rtx): Use the new HONOR_... macros. + * cse.c (fold_rtx): Likewise. Fix indentation. + * fold-const.c (fold_real_zero_addition_p): New. + (fold): Use it, and the new HONOR_... macros. + * ifcvt.c (noce_try_minmax): Use the new HONOR_... macros. + * jump.c (reversed_comparison_code_parts): After searching for + the true comparison mode, use HONOR_NANS to decide whether it + can be safely reversed. + (reverse_condition_maybe_unordered): Remove IEEE check. + * simplify-rtx.c (simplify_binary_operation): Use the new macros + to decide which simplifications are valid. Allow the following + simplifications for IEEE: (-a + b) to (b - a), (a + -b) to (a - b), + and (a - -b) to (a + b). + (simplify_relational_operation): Use HONOR_NANS. + * doc/tm.texi: Document the MODE_HAS_... macros. + +2002-03-07 Richard Earnshaw <rearnsha@arm.com> + + * combine.c (simplify_comparison): If simplifying a logical shift + right and compare with constant, force the comparison to unsigned. + +2002-03-07 Aldy Hernandez <aldyh@redhat.com> + + * doc/invoke.texi: Add documentation for -mabi=no-altivec. + + * config/rs6000/rs6000.c (rs6000_parse_abi_options): Add + -mabi=no-altivec + (alt_reg_names): Remove % for vrsave. + +2002-03-06 Richard Henderson <rth@redhat.com> + + PR optimization/5844 + * genemit.c (gen_exp): New argument used. Invoke copy_rtx + if used indicates we've already emitted one copy of an operand. + (gen_insn, gen_expand, output_add_clobbers): Supply a null used. + (gen_split): Supply a non-null used. + +2002-03-06 Ulrich Weigand <uweigand@de.ibm.com> + + * reload1.c (reload): Unshare all rtl after reload is done. + + * simplify-rtx.c (simplify_plus_minus): Do not abort, + but simply fail if the expression is too complex to simplify. + (simplify_gen_binary): Handle simplify_plus_minus failures. + +Wed Mar 6 20:32:09 CET 2002 Jan Hubicka <jh@suse.cz> + + * toplev.c (rest_of_compilation): Do jump threading before SSA path; + consistently call delete_trivially_dead_insns after CSE and GCSE; + fix DFI_life dumping; do jump threading after liveness; do crossjumping + after liveness2; update comment in last crossjumping. + * cfgcleanup.c (try_crossjump_to_edge): Dirtify block. + +Wed Mar 6 12:27:10 2002 Jeffrey A Law (law@redhat.com) + + * ssa-ccp.c (ssa_fast_dce): Update the DF def-use chains + after completing fast dead code elimination. + + * m68k.h (CONST_COSTS): Lower cost of 0.0 when used inside a + COMPARE operator. + +2002-03-06 Phil Edwards <pme@gcc.gnu.org> + + * version.c: Fix misplaced leading blanks on first line. + +Wed Mar 6 19:08:03 CET 2002 Jan Hubicka <jh@suse.cz> + + * cfgrtl.c (verify_flow_info): Accept RESX as EH edge source. + +Wed Mar 6 18:14:43 CET 2002 Jan Hubicka <jh@suse.cz> + + * cfgcleanup.c (mentions_nonequal_regs): New function. + (thread_jump): Use it. + * toplev.c (rest_of_compilation): Run jump threading after + liveness. + +2002-03-06 Jakub Jelinek <jakub@redhat.com> + + * ssa-ccp.c (ssa_ccp_substitute_constants): Backout 2002-03-05 + patch. + +Wed Mar 6 11:28:19 CET 2002 Jan Hubicka <jh@suse.cz> + + * predict.c (estimate_bb_frequencies): Do not reload the + frequencies from notes. + +Wed Mar 6 10:59:39 CET 2002 Jan Hubicka <jh@suse.cz> + + * cfgrtl.c (delete_insn_and_edges, delete_insn_chain_and_edges): New. + * rtl.h (delete_insn_and_edges, delete_insn_chain_and_edges): Declare + + * basic-block.h (update_life_info, update_life_info_in_dirty_blocks, + delete_noop_moves): Return indeger. + * flow.c (ndead): New variable. + (propagate_block_delete_insn): Use delete_insn_and_edges; remove + BB argument; update callers. + (propagate_block_delete_libcall): Use delete_insn_chain_and_edges. + (life_analysis): Do not call purge_all_dead_edges. + (update_life_info): Return number of deleted insns; print statistics. + (update_life_info_in_dirty_blocks): likewise. + (delete_noop_moves): Use delete_insn_and_edges; print statistics; + return number of insns deleted. + + * cse.c: Include timevar.h + (delete_trivially_dead_insns): Kill preserve_basic_blocks argument; + iterate until stabilizes; print statistics; return number of killed + insns. + * Makefile.in: (cse.o): Add timevar.h dependency + * rtl.h (delete_trivially_dead_insns): New. + * timever.def: Add TV_DELETE_TRIVIALLY_DEAD timer. + * toplev.c (rest_of_compilation): Update callers. + + * cfgcleanup.c (try_optimize_cfg): Kill blocks. + (try_optimize_cfg): Do not update liveness. + (cleanup-cfg): Loop until try_optimize_cfg and dead code + removal stabilizes; use delete_trivially_dead_insns. + + * cfgrtl.c (verify_flow_info): Sanity check outgoing edges. + +2002-03-05 Zack Weinberg <zack@codesourcery.com> + + * cppmain.c (setup_callbacks): Disable #pragma and #ident + callbacks when processing assembly language. + +2002-03-05 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.h (ASM_FILE_END): Define. + * som.h (ASM_FILE_END): Delete. + + * pa.c (function_arg): Don't pass floats in general registers in + indirect calls if TARGET_ELF32. + +2002-03-05 Richard Henderson <rth@redhat.com> + + * config/i386/i386.md (floatsidf2): Conditionalize on hard-float. + +2002-03-05 Danny Smith <dannysmith@users.sourceforge.net> + + * gthr-win32.h (__GTHREAD_MUTEX_INIT_DEFAULT): Define. + +2002-03-05 Jakub Jelinek <jakub@redhat.com> + + * mklibgcc.in: Prepend a tab before .hidden, add $flags to gcc + -r command line. Don't hide any symbols if not building + shared libgcc. + +Tue Mar 5 18:31:27 CET 2002 Jan Hubicka <jh@suse.cz> + + * cfg.c (dump_flow_info): Warn about profile mismatches. + * cfgrtl.c (verify_flow_info): Few aditional sanity checks. + (purge_dead_edges): Remove REG_BR_PROB notes on simplejumps. + +2002-03-05 Jakub Jelinek <jakub@redhat.com> + + * expmed.c (emit_store_flag): Don't test BITS_PER_WORD * 2 + wide volatile memory by parts. + +2002-03-05 Jakub Jelinek <jakub@redhat.com> + + * ssa-ccp.c (ssa_ccp_substitute_constants): Don't crash if def + is NULL. + +2002-03-05 Richard Henderson <rth@redhat.com> + + * rs6000.h (TOTAL_ALTIVEC_REGS): Fix off-by-one error. + +2002-03-04 Geoffrey Keating <geoffk@redhat.com> + + * toplev.c (documented_lang_options): Document more + language-specific options. + * doc/invoke.texi (Warning Options): Correct documentation for + -Wno-multichar, -Wno-div-by-zero, and -Wsystem-headers. + * c-decl.c (c_decode_option): Use a table to handle warning options. + +2002-03-05 Hans-Peter Nilsson <hp@bitrange.com> + + * config/mmix/mmix.h (ENCODE_SECTION_INFO): Pass on new second + parameter to mmix_encode_section_info. + (LINK_SPEC): Don't defsym __.MMIX.start..text if linking + relocatably. Always produce ELF, not mmo if linking relocatably. + * config/mmix/mmix.c (mmix_encode_section_info): If new parameter + first is nonzero, don't add symbol prefix. + * config/mmix/mmix-protos.h (mmix_encode_section_info): Tweak + prototype accordingly. + +2002-03-04 Krister Walfridsson <cato@df.lth.se> + + * config.gcc (*-*-netbsd*): Add t-slibgcc-elf-ver to tmake_file. + +2002-03-05 Joseph S. Myers <jsm28@cam.ac.uk> + + * configure.in: Increase required makeinfo version to 4.1. + * configure: Regenerate. + +2002-03-04 Geoffrey Keating <geoffk@redhat.com> + + * .cvsignore: Remove *.info* and genrtl*; these files are generated + elsewhere now. + +2002-03-04 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/include/texinfo.tex: Update to version 2002-03-01.06. + * doc/invoke.texi: Fix @math uses. + +Mon Mar 4 15:33:54 CET 2002 Jan Hubicka <jh@suse.cz> + + * toplev.c (rest_of_compilation): Cleanup CFG after dead jumptables + removal + +2002-03-03 Aldy Hernandez <aldyh@redhat.com> + + * config.gcc (powerpc-*-eabialtivec*): Use t-ppcendian. + (powerpc-*-eabisimaltivec*): Same. + + * config/rs6000/t-ppcendian: New. + +2002-03-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * c4x-protos.h, c4x.h, c4x.c, c4x.md: Add new functions + nonimmediate_src_operand and nonimmediate_lsrc_operand to + disallow ZERO_EXTEND with CONST_INT or CONST_DOUBLE. + +2002-03-03 Richard Henderson <rth@redhat.com> + + * toplev.c (rest_of_decl_compilation): Revert last two changes. + +2002-03-03 Zack Weinberg <zack@codesourcery.com> + + * emit-rtl.c, final.c, fold-const.c, gengenrtl.c, optabs.c, + print-tree.c, real.c, real.h, recog.c, rtl.c, simplify-rtx.c, + tree.c, config/m68k/m68k.c: + Remove all #ifndef REAL_ARITHMETIC blocks, make all #ifdef + REAL_ARITHMETIC blocks unconditional. Delete some further + #ifdef blocks predicated on REAL_ARITHMETIC. + * flags.h, toplev.c: Delete remaining references to + flag_pretend_float. + + * doc/invoke.texi: Remove documentation of -fpretend-float. + * doc/tm.texi: Describe the various REAL_* macros as provided by + real.h, not by the target configuration files. + + * config/alpha/alpha.h, config/alpha/unicosmk.h, config/arm/arm.h, + config/avr/avr.h, config/c4x/c4x.h, config/convex/convex.h, + config/cris/cris.h, config/d30v/d30v.h, config/dsp16xx/dsp16xx.h, + config/h8300/h8300.h, config/i370/i370.h, config/i386/i386.h, + config/i386/osf1elf.h, config/i960/i960.h, config/ia64/ia64.h, + config/m32r/m32r.h, config/m68hc11/m68hc11.h, config/m68k/dpx2.h, + config/m68k/linux-aout.h, config/m68k/linux.h, config/m68k/m68k.h, + config/m68k/sun3.h, config/m68k/vxm68k.h, config/mcore/mcore.h, + config/mips/mips.h, config/mmix/mmix.h, config/mn10200/mn10200.h, + config/mn10300/mn10300.h, config/pa/pa.h, config/pj/pj.h, + config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.h, + config/sparc/freebsd.h, config/sparc/linux.h, config/sparc/linux64.h, + config/sparc/sol2.h, config/sparc/sparc.h, config/sparc/vxsim.h, + config/stormy16/stormy16.h, config/v850/v850.h, config/vax/vax.h, + config/xtensa/xtensa.h: + Do not define, undefine, or mention in comments any of + REAL_ARITHMETIC, REAL_VALUE_ATOF, REAL_VALUE_HTOF, + REAL_VALUE_ISNAN, REAL_VALUE_ISINF, + REAL_VALUE_TO_TARGET_SINGLE, REAL_VALUE_TO_TARGET_DOUBLE, + REAL_VALUE_TO_TARGET_LONG_DOUBLE, REAL_VALUE_TO_DECIMAL, + REAL_VALUE_TYPE, REAL_VALUES_EQUAL, REAL_VALUES_LESS, + REAL_VALUE_LDEXP, REAL_VALUE_FIX, REAL_VALUE_UNSIGNED_FIX, + REAL_VALUE_RNDZINT, REAL_VALUE_UNSIGNED_RNDZINT, + REAL_INFINITY, REAL_VALUE_NEGATE, REAL_VALUE_TRUNCATE, + REAL_VALUE_TO_INT, or REAL_VALUE_FROM_INT. + +2002-03-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * 1750a.h, a29k.h, alpha.h, arc.h, arm.h, avr.h, c4x.h, clipper.h, + convex.h, cris.h, d30v.h, dsp16xx.h, elxsi.h, fr30.h, h8300.h, + i370.h, i386.h, i860.h, i960.h, ia64.h, m32r.h, m68hc11.h, m68k.h, + m88k.h, mcore.h, mips.h, mmix.h, mn10200.h, mn10300.h, ns32k.h, + pa.h, pdp11.h, pj.h, romp.h, rs6000.h, s390.h, sh.h, sparc.h, + stormy16.h, v850.h, vax.h, we32k.h, xtensa.h (BITS_PER_WORD): + Delete. + * defaults.h (BITS_PER_WORD): Define. + * doc/tm.texi (BITS_PER_WORD): Document default value. + + * 1750a.h, avr.h, convex.h, d30v.h, dsp16xx.h, fr30.h, ia64.h, + m68hc11.h, m88k.h, mips.h, pdp11.h, rs6000.h, sparc.c, + stormy16.h, xtensa.h, vmsdbgout.c (CHAR_TYPE_SIZE): Delete. + +2002-03-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * attribs.c (init_attributes, decl_attributes): Use ARRAY_SIZE in + lieu of explicit sizeof/sizeof. + * i386.c (override_options, ix86_init_mmx_sse_builtins, + ix86_expand_builtin): Likewise. + * mips.c (mips_add_gc_roots): Likewise. + * mmix.c (mmix_output_condition): Likewise. + * rs6000.c (rs6000_override_options, altivec_expand_builtin, + altivec_init_builtins): Likewise. + * sparc.c (mark_ultrasparc_pipeline_state): Likewise. + * cppexp.c (Nsuff, parse_number): Likewise. + * cppinit.c (builtin_array_end): Likewise. + * gcc.c (n_default_compilers, process_command): Likewise. + * genpreds.c (output_predicate_decls): Likewise. + * ggc-page.c (NUM_EXTRA_ORDERS): Likewise. + * lcm.c (N_ENTITIES): Likewise. + * stor-layout.c (set_sizetype): Likewise. + +2002-03-03 Richard Henderson <rth@redhat.com> + + * toplev.c (rest_of_decl_compilation): Do not invoke make_decl_rtl + for types or labels. + +2002-03-03 Richard Henderson <rth@redhat.com> + + * c-decl.c (start_decl): Initialized variables are not common. + +2002-03-02 Per Bothner <per@bothner.com> + + * gcc.c (option_map): Suport new --bootclasspath option. + --CLASSPATH is now just an alias for --classpath. + +2002-03-02 Richard Henderson <rth@redhat.com> + + * config/i386/i386.h (ix86_expand_prologue): Do not emit pic register + load if "internal" visibility. + * doc/extend.texi: Document visibility meanings. + +2002-03-02 Richard Henderson <rth@redhat.com> + + * config/i386/i386.h (ENCODE_SECTION_INFO): MODULE_LOCAL_P applies + to functions as well. + +2002-03-02 Richard Henderson <rth@redhat.com> + + * attribs.c (handle_alias_attribute): Don't call assemble_alias. + (handle_visibility_attribute): Don't call assemble_visibility. + * toplev.c (rest_of_decl_compilation): Invoke make_decl_rtl even + without asmspec. Invoke assemble_alias when needed. + * varasm.c (maybe_assemble_visibility): New. + (assemble_start_function, assemble_variable, assemble_alias): Use it. + +2002-03-02 Richard Henderson <rth@redhat.com> + + * varasm.c (make_decl_rtl): Remove call to REDO_SECTION_INFO_P; + invoke ENCODE_SECTION_INFO with first call flag. + + * config/darwin-protos.h, config/darwin.c, config/darwin.h, + config/a29k/a29k.h, config/alpha/alpha-protos.h, config/alpha/alpha.c, + config/alpha/alpha.h, config/arc/arc.h, config/arm/arm-protos.h, + config/arm/arm.h, config/arm/pe.c, config/arm/pe.h, + config/avr/avr-protos.h, config/avr/avr.c, config/avr/avr.h, + config/c4x/c4x-protos.h, config/c4x/c4x.c, config/c4x/c4x.h, + config/cris/cris-protos.h, config/cris/cris.c, config/cris/cris.h, + config/d30v/d30v.h, config/h8300/h8300.h, config/i370/i370.h, + config/i386/cygwin.h, config/i386/i386-interix.h, config/i386/i386.h, + config/i386/osfrose.h, config/i386/win32.h, config/i386/winnt.c, + config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h, + config/m32r/m32r-protos.h, config/m32r/m32r.c, config/m32r/m32r.h, + config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c, + config/m68hc11/m68hc11.h, config/m88k/m88k.h, + config/mcore/mcore-protos.h, config/mcore/mcore.c, + config/mcore/mcore.h, config/mips/mips.h, config/ns32k/ns32k.h, + config/pa/pa.h, config/romp/romp.h, config/rs6000/linux64.h, + config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c, + config/rs6000/sysv4.h, config/rs6000/xcoff.h, config/s390/s390.h, + config/sh/sh.h, config/sparc/sparc.h, + config/stormy16/stormy16-protos.h, config/stormy16/stormy16.c, + config/stormy16/stormy16.h, config/v850/v850.h, config/vax/vms.h, + config/xtensa/xtensa.h, doc/tm.texi: ENCODE_SECTION_INFO now takes + FIRST argument. As needed, examine it and do nothing. + + * config/darwin.h, config/alpha/alpha.h, config/arm/pe.h, + config/i386/cygwin.h, config/ia64/ia64.h, config/m68hc11/m68hc11.h, + config/mcore/mcore.h: Remove REDO_SECTION_INFO_P. + + * config/arm/t-pe (pe.o): Add dependencies. + +2002-03-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * a29k.h, alpha.h, arc.h, arm.h, avr.h, clipper.h, convex.h, + cris.h, d30v.h, elxsi.h, fr30.h, h8300.h, i370.h, i386.h, i860.h, + i960.h, ia64.h, m32r.h, m68hc11.h, m68k.h, m88k.h, mcore.h, + mips.h, mmix.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pdp11.h, + pj.h, romp.h, rs6000.h, s390.h, sh.h, sparc.h, stormy16.h, v850.h, + vax.h, we32k.h, xtensa.h: (BITS_PER_UNIT): Delete. + * defaults.h (BITS_PER_UNIT): Define. + * doc/tm.texi (BITS_PER_UNIT): Document default value. + +2002-03-02 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300-protos.h: Add a prototype for + compute_a_shift_length. + * config/h8300/h8300.c (h8300_asm_insn_count): New. + (compute_a_shift_length): Likewise. + (h8300_adjust_insn_length): Do not adjust insn length of shift + insns. + * config/h8300/h8300.md (anonymous shift patterns): Use + compute_a_shift_length. + +Sat Mar 2 06:30:14 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/sparc/sparc.c (sparc_initialize_trampoline): Use + trunc_int_for_mode. + + * emit-rtl.c (offset_address): Call update_temp_slot_address. + +2002-03-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (CRTSTUFF_CFLAGS): Add -fno-zero-initialized-in-bss. + * doc/invoke.texi (-fno-zero-initialized-in-bss): Document. + * flags.h (flag_zero_initialized_in_bss): Declare. + * toplev.c (flag_zero_initialized_in_bss): New flag. + (lang_independent_options): Add flag_zero_initialized_in_bss. + * tree.c (initializer_zerop): New function. + * tree.h (initializer_zerop): Declare. + * varasm.c (assemble_variable): If we can emit bss, put zero + initializers in the bss section. + +2002-03-02 Alan Modra <amodra@bigpond.net.au> + + * config/rs6000/rs6000.h (ASM_WEAKEN_DECL): AIX assembler doesn't + like more than one symbol per .weak directive. + +2002-03-01 Richard Henderson <rth@redhat.com> + + * config/ia64/ia64.c (ia64_initial_elimination_offset): Do not + adjust argument_pointer by pretend_args_size. + (ia64_va_start): Adjust va_start address by -pretend_args_size. + +2002-03-01 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (h8300_adjust_insn_length): Clean up. + +Fri Mar 1 20:59:14 CET 2002 Jan Hubicka <jh@suse.cz> + + * toplev.c (rest_of_compilation): Delete dead jumptables before + loop. + * flow.c (delete_dead_jumptables): Make global. + * rtl.h (delete_dead_jumptables): Declare. + +2002-03-01 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000.h (HANDLE_PRAGMA_PACK): Delete. + * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Define. + * config/rs6000/xcoff.h (COLLECT_EXPORT_LIST): Delete. + +2002-03-01 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300-protos.h: Fix formatting. + * config/h8300/h8300.c: Likewise. + * config/h8300/h8300.h: Likewise. + +2002-03-01 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (print_operand): Support 16-bit + constant addresses. + * config/h8300/h8300.h (TINY_CONSTANT_ADDRESS_P): New. + +2002-02-28 Richard Henderson <rth@redhat.com> + + * expmed.c (store_bit_field): Prevent generation of CONCATs; + pun complex values as integers; use gen_lowpart instead of + gen_rtx_SUBREG. + (extract_bit_field): Likewise. + +2002-03-01 Alan Modra <amodra@bigpond.net.au> + David Edelsohn <edelsohn@gnu.org> + + * doc/tm.texi (ASM_WEAKEN_DECL): Document. + (ASM_WEAKEN_LABEL): Mention ASM_WEAKEN_DECL. + (SUPPORTS_WEAK): Likewise. + * output.h (add_weak): Add tree param. + * varasm.c (add_weak): Likewise. Save decl. + (struct weak_syms): Add decl field. + (mark_weak_decls): New function. + (init_varasm_once): ggc_add_root mark_weak_decls. + (assemble_start_function): Use ASM_WEAKEN_DECL. + (assemble_variable): Likewise. + (assemble_alias): Likewise. + (declare_weak): Pass decl to add_weak. + (weak_finish): Use ASM_WEAKEN_DECL. Try to find decl. + (remove_from_pending_weak_list): Declare and define for + ASM_WEAKEN_DECL. + * c-pragma.c (handle_pragma_weak): Adjust add_weak call. + * c-pragma.h (HANDLE_PRAGMA_WEAK): Define if ASM_WEAKEN_DECL too. + * defaults.h (SUPPORTS_WEAK): Likewise. + * config/rs6000/linux64.h (ASM_DECLARE_FUNCTION_NAME): Don't emit + .weak for code sym. Do emit .size for descriptor sym. + (ASM_DECLARE_FUNCTION_SIZE): Define. + * config/rs6000/rs6000.h (ASM_WEAKEN_DECL): Define. + (ASM_OUTPUT_DEF_FROM_DECLS): Don't emit .weak here. Don't output + .lglobl unless TARGET_XCOFF. Formatting fixes. + * config/rs6000/xcoff.h (ASM_DECLARE_FUNCTION_NAME): Don't emit + .weak for code sym. + (HANDLE_PRAGMA_WEAK): Remove. + (ASM_WEAKEN_LABEL): Remove. + * config/rs6000/aix.h (HANDLE_SYSV_PRAGMA): Define. + +2002-03-01 Jason Merrill <jason@redhat.com> + + * tree.h (TARGET_EXPR_SLOT, TARGET_EXPR_INITIAL): New macros. + (TARGET_EXPR_CLEANUP): New macro. + +2002-02-28 Steve Ellcey <sje@cup.hp.com> + + * doc/rtl.texi (SUBREG_PROMOTED_UNSIGNED_P): Change definition + to take ptr_extend into account as third type of extension. + (SUBREG_PROMOTED_UNSIGNED_SET): Definition of new macro to set bit + fields used by SUBREG_PROMOTED_UNSIGNED_P. + * rtl.h (SUBREG_PROMOTED_UNSIGNED_SET): New macro. + (SUBREG_PROMOTED_UNSIGNED_P): Change to return -1 as well as 0 or 1. + * calls.c (precompute_arguments): Use new macro. + (expand_call): Ditto. + * combine.c (nonzero_bits): Ditto. + (record_promoted_value): Ditto. + * expr.c (store_expr): Ditto. + (expand_expr): Ditto. + * function.c (assign_parms): Ditto. + +2002-02-28 Alexandre Oliva <aoliva@redhat.com> + + * gcc.c (init_gcc_specs): Get -static and -static-libgcc to + override -shared and -shared-libgcc. + +2002-02-28 David O'Brien <obrien@FreeBSD.org> + + * config.gcc (sparc64-*-freebsd): Explicitly accept a cpu specification + of "ultrasparc". + * config/sparc/freebsd.h: Do not use MASK_FASTER_STRUCTS. It appears + to be broken. + +2002-02-28 Richard Henderson <rth@redhat.com> + + * config/ia64/ia64.c (ia64_adjust_cost): All non-MM consumers have + 4 cycle latency from MM producers. + (ia64_internal_sched_reorder): Likewise with pipeline flush. + +2002-02-28 Jakub Jelinek <jakub@redhat.com> + + * mklibgcc.in: Don't use GNU make extension. + +2002-02-28 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-parse.in (STATIC): New terminal. + (scspec): New non-terminal. Update productions accordingly. + (program): Remove bogus ifc / end ifc. + (array_declarator): Simplify production using STATIC. + +2002-02-28 Jim Meyering <meyering@lucent.com> + + * cpplex.c (cpp_parse_escape): Restore mistakenly-removed code: + \a still means TARGET_BELL. + +2002-02-28 Richard Henderson <rth@redhat.com> + + * haifa-sched.c (sched_emit_insn): New. + (schedule_block): Use last_scheduled_insn to track last insn. + * sched-int.h (sched_emit_insn): Prototype. + * config/ia64/ia64.c (last_issued): Remove. + (ia64_variable_issue): Don't set it. + (nop_cycles_until): Use sched_emit_insn. + +2002-02-28 Andrew MacLeod <amacleod@redhat.com> + + * config/sparc/sparc.c (sparc64_initialize_trampoline): Generate sign + extended constants. + +2002-02-28 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c: Fix formatting. + * config/h8300/h8300.h: Likewise. + +2002-02-28 Marek Michalkiewicz <marekm@amelek.gda.pl> + + * config/avr/avr.c (avr_hard_regno_mode_ok): Do not allow r29 + which may overwrite the high byte of the frame pointer. + +2002-02-28 Bo Thorsen <bo@suse.de> + + * config/i386/linux64.h (LINK_SPEC): Fix 32/64 bit compilation. + (STARTFILE_SPEC): Add 64 bit files. + (ENDFILE_SPEC): Likewise. + +2002-02-28 Jason Merrill <jason@redhat.com> + + * c-decl.c (finish_function): Only warn about missing return + statement with -Wreturn-type. + +Don Feb 28 11:24:30 CET 2002 Jan Hubicka <jh@suse.cz> + + * cfgrtl.c (purge_dead_edges): Fix handling of EH edges. + + * i386.h (CONDITIONAL_REGISTER_USAGE): Do not write to + PIC_OFFSET_TABLE_REGNUM when it is INVALID_REGNUM + +Don Feb 28 11:07:36 CET 2002 Jan Hubicka <jh@suse.cz> + + * basic-block.h (BB_REACHABLE): Renumber. + (BB_DIRTY, BB_NEW): New flags. + (clear_bb_flags): Declare. + (update_life_info_in_dirty_blocks): Declare. + * cfg.c (clear_bb_flags): New function. + * cfgrtl.c (create_basic_block_structure): Set flags to BB_NEW. + * emit-rtl.c (add_insn_after, add_insn_before, remove_insn, + reorder_insns, emit_insn_after): Mark block as dirty. + * flow.c (update_life_info): Fix clearing of PROP_LOG_LINKS. + (update_life_info_in_dirty_blocks): New function. + * recog.c (apply_change_group): Dirtify block. + + * cse.c (cse_insn): Reorder emitting of jump insn to keep + cfg consistent. + * gcse.c (delete_null_pointer_checks): Likewise. + + * toplev.c (dump_file_index): Move cse2 after bp, + add DFI_null + (dump_file_info): Similary. + (rest_of_compilation): Avoid most of CFG rebuilds; + do first if converision after null pointer checks, do cse2 + after branch prediction; avoid full liveness rebuild after + initializing subregs. + * invoke.texi (-d options): Document -du, renumber. + + * cfgcleanup.c (bb_flags): Remove BB_UPDATE_LIFE. + (notice_new_block): Do not set BB_UPDATE_LIFE. + (try_forward_edges, merge_blocks_move_predecessor_nojumps, + merge_blocks_move_successor_nojumps, merge_blocks, + try_crossjump_to_edge): Likewise. + (try_optimize_cfg): Likewise; use update_life_info_in_dirty_blocks. + * cfgrtl.c (merge_blocks_nomove): Copy b's flags to a. + * ifcvt.c (SET_UPDATE_LIFE, UPDATE_LIFE): Kill. + (merge_of_block): Do not use life_data_ok. + (find_if_case_1): Do not use SET_UPDATE_LIFE. + (if_convert): Use BB_DIRTY mechanizm to update life. + * lcm.c (optimize_mode_switching): Update + update_life_info_in_dirty_blocks + +2002-02-28 Neil Booth <neil@daikokuya.demon.co.uk> + + * Makefile.in (integrate.o): Update. + * c-decl.c (copy_lang_decl): Rename. + * c-lang.c (LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): Redefine. + * integrate.c: Include langhooks.h. + (copy_decl_for_inlining): Update to use langhook. + * langhooks-def.h (lhd_do_nothing_t, + LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): New. + (LANG_HOOKS_INITIALIZER): Update. + * langhooks.c (lhd_do_nothing_t): New. + * langhooks.h (struct lang_hooks): Add dup_lang_specific_decl. + * tree.h (copy_lang_decl): Remove. +objc: + * objc-lang.c (LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): Redefine. + +2002-02-27 Andrew MacLeod <amacleod@redhat.com> + + * dwarf2out.c (stack_adjust_offset): Add support for POST_INC, + POST_DEC, and POST_MODIFY. + +2002-02-27 Zack Weinberg <zack@codesourcery.com> + + * c-typeck.c (digest_init): Remove unused parameter; all + callers changed. + +2002-02-27 Geoffrey Keating <geoffk@redhat.com> + + * expmed.c (expand_shift): Correctly test for low part of a + subreg. + +2002-02-27 Ulrich Weigand <uweigand@de.ibm.com> + + * config/s390/s390.c (s390_chunkify_pool): Do not confuse + insn UIDs with insn addresses. + +2002-02-27 Zack Weinberg <zack@codesourcery.com> + + * c-common.c, c-common.h, c-decl.c, c-lex.c, c-parse.in, + c-tree.h, c-typeck.c, cppexp.c, cpplex.c, cpplib.c, cpplib.h, + cppmacro.c, objc/lang-specs.h, objc/objc-act.c, + builtin-types.def, builtins.def, dwarf2out.c, dwarfout.c, + gcc.c, toplev.c: Delete code implementing -traditional mode. + + * doc/bugreport.texi, doc/cpp.texi, doc/extend.texi, + doc/invoke.texi, doc/standards.texi, doc/trouble.texi: + Document removal of -traditional mode for compilation, and + remove documentation only relevant to that mode. + + * config/nextstep.h, config/ptx4.h, config/svr4.h, + config/convex/convex.h, config/d30v/d30v.h, + config/i386/dgux.h, config/i386/osf1elf.h, + config/i386/osfelf.h, config/i386/osfrose.h, + config/i386/sco5.h, config/i386/sol2.h, config/m68k/a-ux.h, + config/m68k/hp310.h, config/m88k/dgux.h, + config/m88k/dguxbcs.h, config/m88k/luna.h, config/m88k/m88k.c, + config/m88k/m88k.h, config/m88k/openbsd.h, + config/mips/abi64.h, config/mips/osfrose.h, + config/mips/svr4-5.h, config/mips/svr4-t.h, + config/sparc/sol2-sld-64.h, config/sparc/sol2.h, + config/stormy16/stormy16.h: Remove all references to + -traditional from target specs. Delete all mention of the + no-longer-necessary TRADITIONAL_RETURN_FLOAT macro. Also + delete a couple of commented-out definitions of + DOLLARS_IN_IDENTIFIERS, with (incorrect) commentary referring + to -traditional. + + * system.h: Poison TRADITIONAL_RETURN_FLOAT. + * doc/tm.texi: Remove mention of TRADITIONAL_RETURN_FLOAT macro. + +2002-02-27 Zack Weinberg <zack@codesourcery.com> + + * mklibgcc.in: Don't use \n in a line subject to + interpretation by echo. + +2002-02-27 Graham Stott <grahams@redhat.com> + + * config/rs6000/rs6000.h (ASM_OUTPUT_DEF_FROM_DELC): + Constify NAME. + + * loop.c (prescan_loop): Handle PARALLEL. + + * unroll.c (loop_iterations): Return 0 if the add_val for + a BIV is REG. + + * final.c (output_operand_lossage): Constify PFX_STR. + + * df.c (df_insn_refs_record): Use XEXP (x, 0) for USE. + +Wed Feb 27 10:45:19 CET 2002 Jan Hubicka <jh@suse.cz> + + * linux64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Remove. + * x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Allways define. + +Wed Feb 27 10:39:20 CET 2002 Jan Hubicka <jh@suse.cz> + + * linux64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define. + +2002-02-27 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplex.c (_cpp_lex_token): Handle directives in macro + arguments. + * cpplib.c (_cpp_handle_directive): Save and restore state + if parsing macro args when entering a directive. + * cppmacro.c (collect_args): No need to handle directives + in macro arguments. + (enter_macro_context, replace_args): Use the original macro + definition in case it was redefined whilst collecting arguments. +doc: + * cpp.texi: Update. + +2002-02-26 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Delete. + * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Delete. + * config/rs6000/rs6000.c (rs6000_return_addr): Use efficient + method on AIX. + * config/rs6000/rs6000.md (movsi_low): Use gpc_reg_operand. + (movsi_low_st, movdf_low, movdf_low_st, movsf_low, movsf_low_st): Same. + (load_toc_v4_PIC_2): Same. + +2002-02-26 Alan Modra <amodra@bigpond.net.au> + + * config/rs6000/rs6000.md (load_toc_aix_di): Handle TARGET_RELOCATABLE. + +2002-02-26 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.md (ashldi_se): Re-enable. + +2002-02-26 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (alpha_encode_section_info): Examine + MODULE_LOCAL_P; improve commentary. + +2002-02-26 Zack Weinberg <zack@codesourcery.com> + + * doc/cpp.texi: Clarify documentation of relationship between + #line and #include. + +2002-02-26 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300-protos.h: Update the prototype for + compute_logical_op_length. Add the prototype for + compute_logical_op_cc. + * config/h8300/h8300.c (compute_logical_op_length): Figure out + code from operands. + (compute_logical_op_cc): New. + * config/h8300/h8300.md: Combine all the logical op patterns + in HImode and SImode. Use compute_logical_op_cc. + +2002-02-26 Kelley Cook <kelleycook@comcast.net> + + * config/i386/i386.c (print_operand): Don't append ATT-style + length suffixs to x87 opcodes when in Intel mode. + +2002-02-26 Ryan T. Sammartino <ryants@shaw.ca> + + * emit-rtl.c (gen_const_vector_0): Remove TYPE argument. + (init_emit_once): Update calls. + * fixinc/gnu-regex.c (_GNU_SOURCE): Remove. + (init_syntax_once): Prototype. + +2002-02-26 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa-linux.h (LIB_SPEC): Update definition. + * pa32-linux.h (LINK_COMMAND_SPEC): Delete. + +2002-02-26 Richard Henderson <rth@redhat.com> + + * config/ia64/ia64.c (nop_cycles_until): Do init_insn_group_barriers + if we emitted a stop bit. + +2002-02-26 Jakub Jelinek <jakub@redhat.com> + + * configure.in (libgcc_visibility): Substitute. + * configure: Rebuilt. + * mklibgcc.in: If libgcc_visibility = yes, make libgcc.a global + defined symbols .hidden. + +2002-02-26 Jakub Jelinek <jakub@redhat.com> + + * attribs.c (c_common_attribute_table): Add visibility. + (handle_visibility_attribute): New function. + * varasm.c (assemble_visibility): New function. + * output.h (assemble_visibility): Add prototype. + * tree.h (MODULE_LOCAL_P): Define. + * crtstuff.c (__dso_handle): Use visibility attribute. + * config/i386/i386.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG + for MODULE_LOCAL_P symbols too. + * config/ia64/ia64.c (ia64_encode_section_info): Handle + MODULE_LOCAL_P symbols the same way as local symbols. + Add SDATA_NAME_FLAG_CHAR even if decl was explicitely forced + into .sdata/.sbss by the user. + * doc/extend.texi (Function Attributes): Document visibility + attribute. + +2002-02-26 Jakub Jelinek <jakub@redhat.com> + + PR debug/5770 + * dwarf2out.c (rtl_for_decl_location): Return CONST_STRING for + STRING_CST initializer spanning the whole variable without + embedded zeros. + If expand_expr returned MEM, don't use it. + +2002-02-26 Alexandre Oliva <aoliva@redhat.com> + + * dwarf2out.c (gen_inlined_subroutine_die): If block is abstract, + generate a die for the lexical block. + +2002-02-26 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300-protos.h: Add a prototype for + compute_logical_op_length. + * config/h8300/h8300.c (compute_logical_op_length): New. + * config/h8300/h8300.md (anonymous logical patterns): Use + compute_logical_op_length for length. + +2002-02-26 Aldy Hernandez <aldyh@redhat.com> + + * dwarf2out.c (modified_type_die): Do not call type_main_variant + for vectors. + (gen_type_die): Same. + + * attribs.c (handle_vector_size_attribute): Set debug information. + +2002-02-26 Daniel Egger <degger@fhm.edu> + + * config/rs6000/rs6000.md: Swap define_insn attributes to + fix incorrect generation of merge high instructions instead + of merge low. + +2002-02-26 Aldy Hernandez <aldyh@redhat.com> + + * c-typeck.c (really_start_incremental_init): Use + bitsize_zero_node for vectors. + +2002-02-26 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.md (get_vrsave_internal): Fix typo. + ("*set_vrsave_internal"): Same. + +2002-02-25 Richard Henderson <rth@redhat.com> + + * expr.c (expand_expr) [MULT_EXPR]: Do not apply distributive law + in EXPAND_SUM case. Use host_integerp/tree_low_cst. + +2002-02-25 Jakub Jelinek <jakub@redhat.com> + + PR target/5755 + * config/i386/i386.c (ix86_return_pops_args): Only pop + fake structure return argument if it was passed on the stack. + +2002-02-25 Jason Merrill <jason@redhat.com> + + * attribs.c (decl_attributes): Also re-layout PARM_DECL and + RESULT_DECL. + +2002-02-25 Alexandre Oliva <aoliva@redhat.com> + + * gcc.c (init_gcc_specs): Get -shared-libgcc along with -shared to + link with shared_name only. + * doc/invoke.texi (Link Options): Document new behavior. + +2002-02-25 Aldy Hernandez <aldyh@redhat.com> + + * c-typeck.c (push_init_level): Handle vectors. + +2002-02-25 Alexandre Oliva <aoliva@redhat.com> + + * config/sparc/sparc.c (const64_high_operand): Zero-extend + operands of SPARC_SETHI_P. + (input_operand): Likewise. + (sparc_emit_set_const32): Likewise. + * config/sparc/sparc.h (SPARC_SETHI_P): Disregard TARGET_ARCH64. + (SPARC_SETHI32_P): Zero-extend operand from 32 bits. + (CONST_OK_FOR_LETTER_P): Use SETHI32 for `K'. Add `N' as SETHI. + * config/sparc/sparc.md (movdi_insn_sp64_novis): Use `N'. + (movdi_insn_sp64_vis): Likewise. + (movdi split, movdf split): Use SETHI32. + * doc/md.texi: Document SPARC constraints L, M and N. + +2002-02-25 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.md ("get_vrsave_internal"): New. + ("*set_vrsave_internal"): use mfspr for Darwin. + + * config/rs6000/rs6000.c (rs6000_emit_prologue): Call + gen_get_vrsave_internal. + +Sun Feb 24 16:38:56 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * optabs.c (widen_operand): Properly handle CONST_INT for NO_EXTEND. + +2002-02-24 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplex.c (cpp_interpret_charconst): Get signedness or + otherwise of wide character constants correct. + * cppexp.c (lex): Get signedness of wide charconsts correct. + +Sun Feb 24 07:41:31 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * optabs.c (widen_operand): Only call convert_modes for + promoted SUBREG if signedness matches. + * config/alpha/alpha.md (*addsi_se2, *subsi_se2): New patterns. + +2002-02-23 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplib.c (glue_header_name): Use local buffer to build up + header name. + +2002-02-23 Neil Booth <neil@daikokuya.demon.co.uk> + + * doc/cpp.texi, doc/invoke.texi: Update documentation for -MM. + +2002-02-23 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (output_simode_bld): Handle H8/300 and + H8/300[HS] separately. + * config/h8300/h8300.md: Remove the early clobber constraint + from bit field patterns. + +2002-02-23 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md (mulqihi3): Tighten predicates to + register_operand. + (mulhisi3): Likewise. + (umulqisi3): Likewise. + (umulhisi3): Likewise. + +2002-02-23 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinit.c (output_deps): Correct test for stdout output. + (init_dependency_output): Cure warning. + +Sat Feb 23 08:42:47 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (store_expr): When converting expression to promoted + equivalent type, allow using SUBREG_REG of TARGET as the target + of the expansion of EXP. + * loop.c (basic_induction_var, case SUBREG): Always look inside. + * config/alpha/alpha.c (rtx_equiv_function_matters): Delete decl. + (alpha_emit_set_const): Handle SImode when can't make new pseudos. + (alpha_emit_set_const_1, alpha_sa_mask): Use no_new_pseudos. + * config/alpha/alpha.md (addsi3, subsi3): Don't use if optimizing. + +2002-02-23 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/contribute.texi, doc/extend.texi, doc/install.texi, + doc/invoke.texi, doc/md.texi, doc/passes.texi, doc/rtl.texi, + doc/standards.texi, doc/tm.texi: Remove trailing whitespace. + +2002-02-23 Jakub Jelinek <jakub@redhat.com> + + PR optimization/5747 + * loop.c (scan_loop): Update reg info if move_movables created new + pseudos. + +2002-02-23 David Edelsohn <edelsohn@gnu.org> + + * gcc.c (init_gcc_spec): Revert last change. + +2002-02-23 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000.md (load_toc_aix_{si,di}): Use + gpc_reg_operand constraint. + +2002-02-23 Alan Modra <amodra@bigpond.net.au> + + * config/rs6000/rs6000.c (num_insns_constant): Fix formatting. + Simplify comparison of `low'. + (add_operand): Fix formatting. + (non_add_cint_operand): Use CONST_OK_FOR_LETTER_P. + (mask_operand): Disallow mask to wrap in 64-bit mode. + (rs6000_stack_info): Remove redundant test setting push_p. + (output_toc): Fix formatting. + * config/rs6000/rs6000.md (boolsi3, boolcsi3 splitters): Use + cc_reg_not_cr0_operand constraint. + (booldi3, boolcdi3 splitters): Same. + +2002-02-23 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/altivec.h: Add extra level of parentheses on casts. + +2002-02-22 David Edelsohn <edelsohn@gnu.org> + + * gcc.c (init_gcc_spec): Do not link with static libgcc.a if + gcc invoked with -shared-libgcc. + +2002-02-22 Jakub Jelinek <jakub@redhat.com> + + PR c++/5748 + * stmt.c (expand_anon_union_decl): Set TREE_USED on the anon union + decl if any of elements was TREE_USED. + +2002-02-22 Alexandre Oliva <aoliva@redhat.com> + + * config/sparc/sol2.h: Don't include sys/mman.h. + * config/sparc/sparc.c (arith_operand): Use SMALL_INT32. + (arith_4096_operand): Don't throw high bits away. + (const64_operand): Take sign extension of CONST_INTs into account. + (const64_high_operand, sparc_emit_set_const32): Likewise. + (GEN_HIGHINT64): Likewise. + (sparc_emit_set_const64_quick1): Likewise. + (const64_is_2insns): Likewise. + (print_operand): Use trunc_int_for_mode for sign extension. + * config/sparc/sparc.h (SMALL_INT32): Likewise. + * config/sparc/sparc.md (movqi): Sign-extend CONST_DOUBLE + chars. Assume CONST_INT is already properly sign-extended. + (movdi split): Sign-extend each SImode part. + (andsi3 split): Don't mask high bits off, so that result + remains properly sign-extend. + (iorsi3 split): Likewise. + (xorsi3 split): Likewise. + +2002-02-22 Richard Sandiford <rsandifo@redhat.com> + + * fold-const.c (fold): Fix typo in comments. + +2002-02-21 Diego Novillo <dnovillo@redhat.com> + + * Makefile.in (langhooks.o): Update dependencies. + +2002-02-21 Diego Novillo <dnovillo@redhat.com> + + * langhooks.c: Include flags.h. + +2002-02-21 Aldy Hernandez <aldyh@redhat.com> + + * testsuite/gcc.dg/attr-alwaysinline.c: New. + + * c-common.c (c_common_post_options): Set inline trees by + default. + + * doc/extend.texi (Function Attributes): Document always_inline + attribute. + Update documentation about inlining when not optimizing. + + * cp/decl.c (duplicate_decls): Merge always_inline attribute. + + * cp/tree.c (cp_cannot_inline_tree_fn): Do not inline at -O0 + unless DECL_ALWAYS_INLINE. + + * c-objc-common.c (c_cannot_inline_tree_fn): Do not inline at -O0 + unless DECL_ALWAYS_INLINE. + (c_disregard_inline_limits): Disregard if always_inline set. + + * langhooks.c (lhd_tree_inlining_disregard_inline_limits): + Disregard if always_inline set. + (lhd_tree_inlining_cannot_inline_tree_fn): Do not inline at -O0 + unless DECL_ALWAYS_INLINE. + + * attribs.c (handle_always_inline_attribute): New. + (c_common_attribute_table): Add always_inline. + + * config/rs6000/altivec.h: Add prototypes for builtins + requiring the always_inline attribute. + +2002-02-21 Eric Christopher <echristo@redhat.com> + + * expmed.c (store_bit_field): Try to simplify the subreg + before generating a new one when when the mode size of + value is less than maxmode. + +2002-02-21 Richard Henderson <rth@redhat.com> + + * emit-rtl.c (offset_address): Use simplify_gen_binary rather + than gen_rtx_PLUS to form the sum. + * explow.c (force_reg): Rearrange to not allocate new pseudo + when force_operand returns a register. + * expr.c (expand_assignment): Allow offset_rtx expansion to + return a sum. Do not force addresses into registers. + (expand_expr): Likewise. + * simplify-rtx.c (simplify_gen_binary): Use simplify_plus_minus + to canonicalize arithmetic that didn't simpify. + (simplify_plus_minus): New argument force; update + all callers. Don't split CONST unless we can do something with it, + and wouldn't lose the constness of the operands. + + * config/i386/i386.c (legitimize_pic_address): Recognize UNSPECs + that we generated earlier. + +2002-02-21 Tom Tromey <tromey@redhat.com> + + * dwarf2out.c (DWARF_LINE_MIN_INSTR_LENGTH): Removed. + (output_line_info): Use constant `1', with a long explanatory + comment. + * system.h (DWARF_LINE_MIN_INSTR_LENGTH): Poison. + +Thu Feb 21 22:43:44 2002 J"orn Rennecke <joern.rennecke@superh.com> + + * jump.c (redirect_jump): If old label has no UID, don't try to + delete it. + +Thu Feb 21 21:17:21 2002 J"orn Rennecke <joern.rennecke@superh.com> + + * sh.md (insv): Provide byte offsets for gen_rtx_SUBREG. + If input is constant, do shifts at compile time. + +2002-02-21 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/extend.texi: Fix some more overfull hboxes. + +2002-02-21 Jakub Jelinek <jakub@redhat.com> + + PR optimization/4994 + * config/i386/i386.md (movsi_1, movsf_1): Support MMX -> MMX + register moves. + +2002-02-21 Jakub Jelinek <jakub@redhat.com> + + PR c++/4574 + * expr.h (expand_and): Add mode argument. + * expmed.c (expand_and): Add mode argument. + (expand_mult_highpart_adjust, emit_store_flag): Adjust callers. + * expr.c (store_field, expand_expr, do_store_flag): Likewise. + * except.c (expand_builtin_extract_return_addr): Likewise. + * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise. + * config/sparc/sparc.c (sparc_initialize_trampoline): Likewise. + * config/c4x/c4x.h (INITIALIZE_TRAMPOLINE): Likewise. + Use GEN_INT (x) instead of gen_rtx (CONST_INT, VOIDmode, x). + * config/c4x/c4x.md: Use GEN_INT (x) instead of + gen_rtx (CONST_INT, VOIDmode, x). + +2002-02-21 Jakub Jelinek <jakub@redhat.com> + + PR c/4697: + * stmt.c (warn_if_unused_value): Move side effects test once more. + +2002-02-20 Torbjorn Granlund <tege@swox.com> + + * config/avr/avr.md: Add more patterns for mized-mode add and subtract + (addsi3_zero_extend, subhi3_zero_extend1, subsi3_zero_extend). + +Thu Feb 21 16:20:46 2002 Alexandre Oliva <aoliva@redhat.com> + + * rtlanal.c (replace_rtx): Don't make a CONST_INT the operand of + SUBREG or ZERO_EXTEND. + +Thu Feb 21 15:35:46 2002 J"orn Rennecke <joern.rennecke@superh.com> + + * sh.h (current_function_anonymous_args): Remove. + (SETUP_INCOMING_VARARGS): Don't set it - just check that one + of current_function_varargs and current_function_stdarg is set. + * sh.c (sh_expand_prologue): Check current_function_varargs / + current_function_stdarg / TARGET_SH5 instead of + current_function_anonymous_args. + + * sh64.h (TARGET_VERSION): Define. + +2002-02-20 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000.h (EPILOGUE_USES): Conditionalize + VRSAVE_REGNO on TARGET_ALTIVEC. + +2002-02-20 Alan Modra <amodra@bigpond.net.au> + + * config/rs6000/rs6000.c (includes_lshift_p): Mask irrelevant + bits of SImode const_int. + (includes_rshift_p): Likewise. + (print_operand): Call mask_operand and mask64_operand with correct + mode. + (rs6000_output_function_epilogue): Pad traceback table to word. + * config/rs6000/rs6000.h (MASK_64BIT): Correct comment. + (EXTRA_CONSTRAINT, 'S' and 'T'): Call mask_operand and + mask64_operand with correct mode. + (FUNCTION_ARG_REGNO_P): Correct parentheses. + +2002-02-20 Jakub Jelinek <jakub@redhat.com> + + PR debug/4461 + * varasm.c (get_pool_constant_mark): New. + * rtl.h (get_pool_constant_mark): Add prototype. + * dwarf2out.c (mem_loc_descriptor): A pool constant cannot + be represented if it has not been output. + +2002-02-20 Alexandre Oliva <aoliva@redhat.com> + + * combine.c (do_SUBST): Sanity check substitutions of + CONST_INTs, and reject them in SUBREGs and ZERO_EXTENDs. + (subst): Simplify SUBREG or ZERO_EXTEND instead of SUBSTing a + CONST_INT into its operand. + (known_cond): Likewise, for ZERO_EXTEND. + * simplify-rtx.c (simplify_unary_operation): Fix condition to + allow for simplification of wide modes. Reject CONST_INTs in + ZERO_EXTEND when their actual mode is not given. + +2002-02-20 Alexandre Oliva <aoliva@redhat.com> + + * c-decl.c (pushdecl): If no global declaration is found for an + extern declaration in block scope, try a limbo one. + +2002-02-20 Jakub Jelinek <jakub@redhat.com> + + PR c++/4401 + * c-common.c (pointer_int_sum): Moved from... + * c-typeck.c (pointer_int_sum): ...here. + * c-common.h (pointer_int_sum): Add prototype. + +2002-02-20 Jakub Jelinek <jakub@redhat.com> + + PR c++/5713 + * c-decl.c (duplicate_decls): Return 0 if issued error about + redeclaration. + +2002-02-20 Roger Sayle <roger@eyesopen.com> + Jakub Jelinek <jakub@redhat.com> + + PR c/4389 + * tree.c (host_integerp): Ensure that the constant integer is + representable in a HOST_WIDE_INT or an unsigned HOST_WIDE_INT + when pos is zero or nonzero respectively. Clarify comment. + * c-format.c (check_format_info_recurse): Fix host_integerp + usage; the pos argument should be zero when assigning to a + signed HOST_WIDE_INT. + +2002-02-20 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (ix86_expand_vector_move): Use the mode + of the operand, rather than assuming TImode. + (ix86_expand_binop_builtin): Cope with commutative patterns + using nonimmediate_operand for both operands. + (ix86_expand_timode_binop_builtin): Likewise. + (ix86_expand_store_builtin): Validate operand 1. + (ix86_expand_unop1_builtin): Likewise. + +2002-02-20 Philip Blundell <philb@gnu.org> + + PR 5705 + * config/arm/arm.h (HARD_REGNO_RENAME_OK): New macro. + +2002-02-20 Richard Henderson <rth@redhat.com> + + PR c/5615 + * expr.h (ARGS_SIZE_TREE): Convert size.var to ssizetype. + +2002-02-20 Tom Tromey <tromey@redhat.com> + + * config/fr30/fr30.h (DWARF_LINE_MIN_INSTR_LENGTH): Removed. + * config/sh/sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Removed. + * config/pj/pj.h (DWARF_LINE_MIN_INSTR_LENGTH): Removed. + * config/cris/cris.h (DWARF_LINE_MIN_INSTR_LENGTH): Removed. + * dwarf2out.c (DWARF_LINE_MIN_INSTR_LENGTH): Define + unconditionally. + +Wed Feb 20 00:03:25 EST 2002 Alan Matsuoka <alanm@redhat.com> + + * config/rs6000/rs6000.h (LEGITIMATE_OFFSET_ADDRESS_P): Look + for (const_int 0) in X not just INTVAL. + +2002-02-20 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/extend.texi: Avoid or reduce overfull hboxes. + +2002-02-20 Diego Novillo <dnovillo@redhat.com> + + * expmed.c (store_bit_field): Do not store bit fields using SUBREG + operations if the field does not start at a mode boundary. + +2001-02-20 Joel Sherrill <joel@OARcorp.com> + + * config/a29k/rtems.h, config/arm/rtems-elf.h, config/h8300/rtems.h, + config/mips/rtems.h: Use new style of -Asystem= rather than -Asystem(). + Also done for -Acpu and -Amachine. + +2002-02-20 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinit.c (init_dependency_output): Take deps output file + from -o if none given with -MF. Suppress normal output. + * gcc.c (cpp_unique_options): Have -M and -MM imply -E. + * doc/cpp.texi, doc/invoke.texi: Update. + +2002-02-19 Zack Weinberg <zack@codesourcery.com> + + * toplev.c (output_quoted_string): Write unprintable + characters with octal escapes. + +2002-02-19 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Set + really_call_used[VRSAVE_REGNO] if not Altivec. + +2002-02-19 Alan Modra <amodra@bigpond.net.au> + + * config/rs6000/rs6000.c (u_short_cint_operand): Mask op with + MODE_MASK. + (constant_pool_expr_1): Fix formatting. + (rs6000_legitimize_reload_address): Likewise. + +Tue Feb 19 20:13:57 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/sparc/sparc.md (nonlocal_goto): Use hard_frame_pointer_rtx + now that we have one. + +2002-02-19 Zack Weinberg <zack@codesourcery.com> + + * tree.h (struct tree_common): Remove aux. Add unused_0 at + end of first block of bitfields (which was only seven bits); + rename dummy to unused_1; remove comment which is no longer true. + +2002-02-19 Gaute B Strokkenes <gs234@cam.ac.uk> + + * doc/c-tree.texi (Classes, TYPE_BINFO): Fix typo. + +2002-02-19 Philip Blundell <pb@nexus.co.uk> + + PR 5399 + * config/arm/arm.h (THUMB_LEGITIMATE_CONSTANT_P): Accept anything + if generating PIC. + + PR 5054 + * config/arm/arm.md (call_insn) [TARGET_THUMB]: Use + arm_is_longcall_p rather than inspecting call-type cookie + directly. + (call_value_insn) [TARGET_THUMB]: Likewise. + +2002-02-19 Graham Stott <grahams@redhat.com> + + * config/i386/i386.c (ix86_expand_builtin): Fix typo. + +2002-02-19 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/linux64.h (LINK_OS_LINUX_SPEC): Look in /lib64. + ({STARTFILE,ENDFILE}_LINUX_SPEC): Define. + (FP_SAVE_INLINE): Delete. + + * config/rs6000/sysv4.h (ENDFILE_SPEC): Add crtsaveres.o. + * config/rs6000/eabi.asm: Remove ABI save restore routines. + * config/rs6000/t-ppccomm: Build crtsavres.o. + * config/rs6000/crtsavres.asm: New file. + +2002-02-19 Philip Blundell <philb@gnu.org> + + * config/arm/arm.c (use_return_insn): Don't reject interrupt + functions. + (arm_compute_save_reg_mask): Save LR for interrupt functions too. + (output_return_instruction): Allow interrupt functions to return with + ldmfd sp!, {... pc}^. Use LDR to restore any single register. + (arm_expand_prologue): Subtract 4 before stacking LR in an + interrupt function. + +2002-02-19 Philip Blundell <pb@nexus.co.uk> + + * config/arm/arm.c (arm_encode_call_attribute): Operate on any + decl, not just FUNCTION_DECL. + (legitimize_pic_address): Handle local SYMBOL_REF like LABEL_REF. + (arm_assemble_integer): Likewise. + * config/arm/arm.h (ARM_ENCODE_CALL_TYPE): Allow any decl to be + marked local. + +2002-02-19 matthew green <mrg@eterna.com.au> + + * config.gcc (sparc-*-netbsdelf*): Enable target. + (sparc64-*-netbsd*): New target. + * config/sparc/netbsd-elf.h: New file. + * config/sparc/t-netbsd64: New file. + +2002-02-19 Gaute B Strokkenes <gs234@cam.ac.uk> + + * doc/rtl.texi (Flags, MEM_SCALAR_P): Fix typo. + +2002-02-19 Ryan T. Sammartino <ryants@shaw.ca> + + * doc/invoke.texi: explicitly list the style guidelines that + -Weffc++ checks for. + +Tue Feb 19 12:37:23 CET 2002 Jan Hubicka <jh@suse.cz> + + * regmove.c (regmove_optimize): Avoid increasing of register pressure. + +2002-02-19 Neil Booth <neil@daikokuya.demon.co.uk> + + PR other/5718 + * gcc.c (cpp_unique_options): Treat -o as indicating object file + only if not -E. If -E, pass -o through to the preprocessor. + +2002-02-19 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.h (REGNO_REG_CLASS): Replace a literal + register number with an appropriate macro. + +2002-02-19 Bryce McKinlay <bryce@waitaki.otago.ac.nz> + + * doc/rtl.texi (Constants): Close @code tag. + +2002-02-19 Aldy Hernandez <aldyh@redhat.com> + + * config/i386/i386.md ("mmx_uavgv8qi3"): Use const_vector. + ("mmx_uavgv4hi3"): Same. + ("pmulhrwv4hi3"): Same. + + * tree-inline.c (walk_tree): Handle vectors. + + * c-common.c (constant_expression_warning): Handle vectors. + (overflow_warning): Same. + + * sched-deps.c (sched_analyze_2): Handle vectors. + + * rtlanal.c (rtx_unstable_p): Handle vectors. + (rtx_varies_p): Same. + (count_occurrences): Same. + (regs_set_between_p): Same. + (modified_between_p): Same. + (modified_in_p): Same. + (volatile_insn_p): Same. + (volatile_refs_p): Same. + (side_effects_p): Same. + (may_trap_p): Same. + (inequality_comparisons_p): Same. + (replace_regs): Same. + (computed_jump_p_1): Same. + + * rtl.c (DEF_MACHMODE): Change all definitions to accept 8th + argument. + (inner_mode_array): New. + (copy_rtx): Handle vectors. + (copy_most_rtx): Same. + (rtx_equal_p): Same. + (get_mode_alignment): Adjust for vectors. + + * resource.c (mark_referenced_resources): Handle vectors. + (mark_set_resources): Same. + + * reload1.c (eliminate_regs): Handle vectors. + (elimination_effects): Same. + (scan_paradoxical_subregs): Same. + + * reload.c (subst_reg_equivs): Handle vectors. + + * regrename.c (scan_rtx): Handle vectors. + + * regclass.c (reg_scan_mark_refs): Handle vectors. + + * recog.c (find_single_use_1): Handle vectors. + + * local-alloc.c (equiv_init_varies_p): Handle vectors. + (contains_replace_regs): Same. + (memref_referenced_p): Same. + + * integrate.c (copy_rtx_and_substitute): Handle vectors. + (subst_constants): Same. + + * genattrtab.c (attr_copy_rtx): Handle vectors. + (encode_units_mask): Same. + (clear_struct_flag): Same. + (count_sub_rtxs): Same. + + * gcse.c (want_to_gcse_p): Handle vectors. + (oprs_unchanged_p): Same. + (hash_expr_1): Same. + (oprs_not_set_p): Same. + (expr_killed_p): Same. + (compute_transp): Same. + (store_ops_ok): Same. + + * function.c (purge_addressof_1): Do not allow paradoxical subregs + of vectors. + (fixup_var_refs_1): Same. + (instantiate_virtual_regs_1): Same. + + * fold-const.c (operand_equal_p): Handle vectors. + (fold): Same. + (rtl_expr_nonnegative_p): Same. + + * flow.c (mark_used_regs): Handle vectors. + + * df.c (df_uses_record): Handle vectors. + + * cselib.c (cselib_subst_to_values): Handle vectors. + (cselib_mem_conflict_p): Same. + (hash_rtx): Same. + + * cse.c (canon_reg): Handle vectors. + (fold_rt): Same. + (cse_process_notes): Same. + (count_reg_usage): Same. + (canon_hash): Same. + + * alias.c (nonlocal_mentioned_p): Add case for CONST_VECTOR. + + * combine.c (mark_used_regs_combine): Add case for CONST_VECTOR. + + * emit-rtl.c (init_emit_once): Generate const0_rtx for vectors. + (gen_rtx): Handle CONST_VECTOR. + (gen_const_vector_0): New. + (copy_rtx_if_shared): CONST_VECTORs can be shared. + (reset_used_flags): Same. + (copy_insn_1): Same. + (initializer_constant_valid_p): Handle VECTOR_CST. + + * doc/c-tree.texi (Expression trees): Document VECTOR_CST. + + * doc/rtl.texi (Constants): Document const_vector. + (CONST0_RTX): Update for vectors. + (RTL sharing): Same. + + * print-tree.c (print_node): Add case for VECTOR_CST. + + * tree.h (TREE_VECTOR_CST_ELTS): New. + (struct tree_vector): New. + (union tree_node): Add vector node. + (build_vector): Add prototype. + + * tree.def (VECTOR_CST): New. + + * tree.c (build_vector): New. + + * expmed.c (make_tree): Handle CONST_VECTOR. + + * rtl.h (CONSTANT_P): CONST_VECTORs are constants too. + (CONST_VECTOR_ELT): New. + (CONST_VECTOR_NUNITS): New. + + * machmode.h (GET_MODE_INNER): New. + (DEF_MACHMODE): Accept 8th arg. + + * machmode.def: Add 8th argument for vector inner mode. + Add inner vector modes for vectors. + + * rtl.def (VEC_CONST): Remove. + (CONST_VECTOR): New. + + * expr.c (clear_storage): Allow vectors. + (is_zeros_p): Handle VECTOR_CST. + + * varasm.c (output_constant_pool): Handle vectors. + (rtx_const): Add veclo and vechi fields. + (kind): Add RTX_VECTOR. + (decode_rtx_const): Add case for vector. + + * config/rs6000/rs6000-protos.h: Add zero_constant. + + * config/rs6000/rs6000.c (rs6000_emit_move): Handle vector + constants. Force easy vector constants into memory. + (easy_vector_constant): New. + (emit_easy_vector_constant): New. + (rs6000_legitimize_reload_address): Do not generate bad reloads on + darwin. + + * config/rs6000/rs6000.md ("altivec_lvx"): Reflect what + instruction does. + ("altivec_lvxl"): Same. + (altivec_lvebx): Same. + (altivec_lvehx): Same. + (altivec_lvewx): Same. + ("*movv4si_const0"): New. + ("*movv4sf_const0"): New. + ("*movv8hi_const0"): New. + ("*movv16qi_const0"): New. + +2002-02-18 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (notice_update_cc): Use + cc_status.value2. + +2002-02-18 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md (divmod patterns): Change the + constraints for operands[1] to register_operand. + +2002-02-18 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300-protos.h: Remove the prototype for + p_operand. + * config/h8300/h8300.c (p_operand): Remove. + * config/h8300/h8300.md: Replace p_operand with + const_int_operand. + +2002-02-18 Philip Blundell <pb@nexus.co.uk> + + * config/arm/arm.c (arm_compute_save_reg_mask): Fix typo in + comment. + (output_return_instruction): Allow use of LDR to unstack + return addresss even for interrupt handlers or when + interworking. If compiling for ARMv5, use interworking-safe + return instructions by default. Remove duplicated code and + lengthy "strcat" sequences. + +2002-02-18 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * config/rs6000/sysv4.h (STARTFILE_SPEC): Use crtbeginT.o for -static. + (LINK_EH_SPEC): Define. + * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbeginT.o. + +2002-02-18 Ulrich Weigand <uweigand@de.ibm.com> + + * config/s390/s390.c (s390_emit_prologue): Do not set the + frame_related flag for call-clobbered registers. + +Mon Feb 18 15:07:35 CET 2002 Jan Hubicka <jh@suse.cz> + + * i386.c (classify_argument): Properly classify SSE/MMX modes and VOIDmode. + (construct_container): Fix handling of SSE operands. + (ix86_expand_builtin): Fix handling of 64bit pointers. + (mmx_maskmovq_rex): New pattern. + +Mon Feb 18 11:55:55 CET 2002 Jan Hubicka <jh@suse.cz> + + * regrename.c (kill_set_value): Handle subregs properly. + +2002-02-18 David Billinghurst <David.Billinghurst@riotinto.com> + + * objc/objc-act.c (handle_impent): Remove leading '*' + from objc_class_name. + +2002-02-17 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (some_small_symbolic_operand, + some_small_symbolic_operand_1, split_small_symbolic_operand, + split_small_symbolic_operand_1): Rename from *symbolic_mem_op*. + Handle small SYMBOL_REFs anywhere, not just inside memories. + * config/alpha/alpha-protos.h: Update. + * config/alpha/alpha.h (PREDICATE_CODES): Update. + * config/alpha/alpha.md (small symbolic operand splitter): Update. + +2002-02-17 Roland McGrath <roland@frob.com> + + * config.gcc (powerpc-*-gnu-gnualtivec*, + powerpc-*-gnu*, powerpc64-*-gnu*): New configurations. + * config/rs6000/gnu.h: New file. + * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): + Grok "gnu" in rs6000_abi_name. + (ASM_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC, + CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC, LIB_SPEC, ENDFILE_SPEC): + Grok -mcall-gnu analogous to -mcall-linux et al. + (LIB_GNU_SPEC, STARTFILE_GNU_SPEC, ENDFILE_GNU_SPEC, + LINK_START_GNU_SPEC, LINK_OS_GNU_SPEC, CPP_OS_GNU_SPEC): New macros. + (SUBTARGET_EXTRA_SPECS): Add *_os_gnu specs using them. + +2002-02-17 Jakub Jelinek <jakub@redhat.com> + + PR c/3444: + * c-typeck.c (build_binary_op) [BIT_XOR_EXPR]: Remove explicit + shortening. + +2002-02-17 Philipp Thomas <pthomas@suse.de> + + * config/cris/cris.h: Undefine STARTFILE_SPEC and + ENDFILE_SPEC before (re)defining them. + +2002-02-17 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c: Fix formatting. + * config/h8300/h8300.h: Likewise. + +2002-02-17 Philipp Thomas <pthomas@suse.de> + + * doc/tm.texi: Explain why empty strings should not be + marked for translation. + +2002-02-17 Philipp Thomas <pthomas@suse.de> + + * final.c (output_operand_lossage): Changed to accept + printf style arguments. Change calls where necessary. + * output.h (output_operand_lossage): Change declaration + accordingly. Update copyright. + * config/arc/arc.c config/fr30/fr30.c config/m32r/m32r.c + config/m88k/m88k.c : Adapt all calls to output_operand_lossage. + Update copyright date where necessary. + + * config/i386/i386.c (print_operand): Likewise. Remove use of + sprintf. + + * config/cris/cris.c (cris_operand_lossage): Likewise. + Rename parameter so that exgettext recognizes it as + translatable message. + (LOSE_AND_RETURN): Rename parameter to msgid. + +2002-02-17 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.h (CONDITIONAL_REGISTER_USAGE): Replace a + hard coded register number with an appropriate macro. + (HARD_REGNO_MODE_OK): Likewise. + (ARG_POINTER_REGNUM): Likewise. + (STATIC_CHAIN_REGNUM): Likewise. + (RETURN_ADDRESS_POINTER_REGNUM): Likewise. + * config/h8300/h8300.md (define_constants): Define more + register numbers. + +2002-02-17 Philipp Thomas <pthomas@suse.de> + + * config/i386/i386.h: Don't mark empty strings for translation. + +2002-02-16 H.J. Lu <hjl@gnu.org> + + * config/mips/linux.h (ASM_PREFERRED_EH_DATA_FORMAT): New. + +2002-02-16 Zack Weinberg <zack@codesourcery.com> + + * cppinit.c (merge_include_chains): Check for brack being + NULL before attempting to merge it with qtail. + +2002-02-16 Andrew Cagney <ac131313@redhat.com> + + * config/rs6000/netbsd.h (PREFERRED_DEBUGGING_TYPE): Set to + DBX_DEBUG. + +2002-02-16 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa/t-pa, pa/t-pro, som.h: Revert last patch. + +2002-02-16 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa/t-pa (LIB2FUNCS_EXTRA): Don't build lib2funcs.asm. + * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. + * som.h (DO_GLOBAL_DTORS_BODY): Delete define. + +Sat Feb 16 13:48:50 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/alpha/alpha.md (*movsi_nt_vms_nofix): Was *movsi_nt_vms; + now only if !TARGET_FIX. + (*movsi_nt_vms_fix): New pattern. + +2002-02-16 Douglas B Rupp <rupp@gnat.com> + + * config/alpha/alpha.c: Implement null frame procedure types on VMS. + (alpha_procedure_type): Replaces alpha_is_stack_procedure. + (alpha_sa_mask, alpha_sa_size): Reflect above change. + (alpha_pv_save_size, alpha_expand_prologue): Likewise. + (alpha_start_function, alpha_expand_epilogue): Likewise. + (unicosmk_gen_dsib): Likewise. + +Sat Feb 16 13:39:09 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (store_constructor): Handle target REG case for ARRAY_TYPE. + +2002-02-16 Ulrich Weigand <uweigand@de.ibm.com> + + * config/s390/s390.c (pool_stop_uid, other_chunk, far_away, + check_and_change_labels, s390_final_chunkify): Delete. + (s390_split_branches, s390_chunkify_pool): New functions. + (s390_function_prologue): Call them. + + * config/s390/s390.h (S390_REL_MAX): Delete. + (S390_CHUNK_MAX, S390_CHUNK_OV): Adjust values. + + * config/s390/s390.md (cjump, icjump, jump): Fix length + attribute calculation. + + +2002-02-15 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/linux64.h (STRIP_NAME_ENCODING): Delete. + * config/rs6000/ppc-asm.h (JUMP_TARGET): Define for powerpc64. + +2002-02-15 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * gcc.c (init_gcc_specs): Revert patch from 2002-02-15. + * config/pa/pa-linux.h (LIB_SPEC): Likewise. + * config/pa/pa32-linux.h (LINK_COMMAND_SPEC): Likewise. + +2002-02-15 Richard Sandiford <rsandifo@redhat.com> + + * c-decl.c (grokdeclarator): Prevent a segfault on unnamed decls. + +2002-02-15 Richard Sandiford <rsandifo@redhat.com> + + * reload.c (find_dummy_reload): Check that an output register + is valid for its mode. + +2002-02-14 Alexandre Oliva <aoliva@redhat.com> + + * combine.c (known_cond): After replacing the REG of a SUBREG, try + to simplify it. + + * function.c (assign_parms): Demote promoted argument passed by + transparent reference. + +2001-02-14 Joel Sherrill <joel@OARcorp.com> + + * config/arm/rtems-elf.h, config/h8300/rtems.h: Removed redundant + -Acpu() and -Amachine() to eliminate warnings. + +2002-02-14 Ulrich Weigand <uweigand@de.ibm.com> + + * config/s390/linux.h (ASM_OUTPUT_ALIGNED_BSS): New. + +2002-02-14 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300-protos.h: Update the prototype for + const_costs. + * config/h8300/h8300.c (const_costs): Treat SET as a little + more expensive operation. + * config/h8300/h8300.h (DEFAULT_RTX_COSTS): Update the + reference to const_costs. + +2002-02-14 Hans-Peter Nilsson <hp@axis.com> + + * config.gcc (c4x-*-rtems*): Fix typo in tm_file setting. + +2002-02-14 Jakub Jelinek <jakub@redhat.com> + + PR c/5503: + * c-decl.c (duplicate_decls): If builtin type has TYPE_ARG_TYPES NULL, + use arguments from newtype. + +2002-02-13 Eric Christopher <echristo@redhat.com> + + * config/mips/mips.c (override_options): Add check for march/mipsX + on the same command line. Fix error message in cpu processing. + Remove architecture and ISA checks. + +2002-02-14 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Adjust for vectors. + + * config/rs6000/sysv4.h (ROUND_TYPE_ALIGN): Add MAX. + +2002-02-14 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.md ("*movv4si_internal"): Add m<-r and r<-r + alternatives. + ("*movv8hi_internal1"): Same. + ("*movv16qi_internal1"): Same. + ("*movv4sf_internal1"): Same. + + * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do + not push_reload for altivec modes. + +2002-02-13 Joel Sherrill <joel@OARcorp.com> + + * config.gcc (a29k-*-rtems), config/a29k/rtems.h: General cleanup across + all RTEMS targets including removal of #includes from config/*/rtems*.h + file and adding them to tm_file setting. Added xm_defines=POSIX to + many targets. + * config.gcc (c4x-*-rtems), config/c4x/rtems.h: Ditto. + * config.gcc (h8300-*-rtems), config/h8300/rtems.h: Ditto. + * config.gcc (hppa1.1-*-rtems), config/pa/rtems.h: Ditto. + * config.gcc (i960-*-rtems), config/i960/rtems.h: Ditto. + * config.gcc (m68k-*-rtems*), config/m68k/rtems.h, + config/m68k/rtemself.h: Ditto. + * config.gcc (mips*-*-rtems*), config/mips/rtems.h, + config/mips/rtems64.h: Ditto. + * config.gcc (powerpc-*-rtems*), config/rs6000/rtems.h: Ditto. + * config.gcc (sh-*-rtems*), config/sh/rtems.h, config/sh/rtemself.h: + Ditto. + * config.gcc (sparc-*-rtems*), config/sparc/rtems.h, + config/sparc/rtemself.h: Ditto. + * config.gcc (v850-*-rtems*), config/v850/rtems.h: Ditto. + * config.gcc (arm-rtems), config/arm/rtems-elf.h: Ditto plus moved + arm-rtems stanza closer to other arm-elf targets and made arm-rtems + more like arm-elf. + * config.gcc (i[34567]86-*-rtems*), config/i386/djgpp-rtems.h, + config/i386/rtems.h, config/i386/rtemself.h: Ditto plus i386-rtemself + target made more similar to i386-elf. + * config/i386/t-rtems-i386: Added soft float support and multilibs. + * config/m68k/t-m68kbare: Add 68040 and 68060 as multilib alternatives to + be similar to config/m68k/t-m68kelf. + * gthr-rtems.h: Encapsulate with extern "C" for C++. + +Wed Feb 13 23:41:15 CET 2002 Jan Hubicka <jh@suse.cz> + + * regmove.c (kill_value): Handle subregs. + +Wed Feb 13 23:34:30 CET 2002 Jan Hubicka <jh@suse.cz> + + * i386.md (mul patterns): Allow memory operand to be first; + add expanders where needed; fix constraints. + (min?f_nonieee, max?f_nonieee, SSE TImode patterns): + Allow memory operand to be the first. + + * i386.c (ix86_prepare_fp_compare_args): Fix condition for swapping + operands. + +2002-02-13 Jakub Jelinek <jakub@redhat.com> + + PR c/5681: + * expr.c (safe_from_p): Pass VOIDmode to true_dependence instead of + GET_MODE (x). + +2002-02-13 Jakub Jelinek <jakub@redhat.com> + + PR optimization/5547: + * config/i386/i386.c (i386_simplify_dwarf_addr): Simplify + all valid IA-32 address modes involving non-scaled %ebx and + GOT/GOTOFF as displacement. + +2002-02-13 Ulrich Weigand <uweigand@de.ibm.com> + + * config/s390/s390.c (s390_final_chunkify): Re-run shorten_branches + after emitting ltorg insns. + + * config/s390/s390.md (*cmpdf_ccs_0, *cmpdf_ccs, *cmpsf_ccs_0, + *cmpsf_ccs, truncdfsf2_ieee, *adddf3, *addsf3, *subdf3, *subsf3, + *muldf3, *mulsf3, *divdf3, *divsf3, *negdf2, *negsf2, *absdf2, + *abssf2): Fix "op_type" attribute. + +2002-02-13 Douglas B Rupp <rupp@gnat.com> + + * mkconfig.sh: Avoid using a subshell redirect. + ($output.T): Change to $(output)T. + (ENABLE_NLS): Remove unneeded undef. + + * config/alpha/vms.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Define. + * config/alpha/x-vms (libsubdir): Define. + + * config/alpha/vms.h (MD_FALLBACK_FRAME_STATE_FOR): Handle + register frame procedures. Optimize retrieving context. + + * config/alpha/t-vms (MULTILIB_OPTIONS): Define. + (MULTILIB_DIRNAME, LIBGCC, INSTALL_LIBGCC): Likewise. + * config/alpha/vms.h (ASM_FILE_START): Write .arch directive. + +Wed Feb 13 09:45:08 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * alias.c (find_base_term, case ZERO_EXTEND, case SIGN_EXTEND): + Make same change as for find_base_value. + +2002-02-13 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.h (MODES_TIEABLE_P): Accept a combination + of QImode and SImode. + +2002-02-13 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (h8300_adjust_insn_length): Correct the + length computation of movsi. + * config/h8300/h8300.md (movsi_h8300hs): Correct the length. + +2002-02-13 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md (subqi3): Tighten the predicate for + operands[2] to register_operand. + +Wed Feb 13 10:35:56 CET 2002 Jan Hubicka <jh@suse.cz> + + * i386.md (fop_*_comm_*): allow nonimmediate in the first operand. + +2002-02-12 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.md: Use predicate altivec_register_operand + for altivec_lvx* and altivec_stvx*. + ("*movv4si_internal"): Add constraint for loading from GPRs. + ("*movv8hi_internal1"): Same. + ("*movv16qi_internal1"): Same. + ("*movv4sf_internal1"): Same. + + * config/rs6000/rs6000.c (altivec_register_operand): New. + + * config/rs6000/rs6000.h (PREDICATE_CODES): Add + altivec_register_operand. + +2002-02-13 Hans-Peter Nilsson <hp@bitrange.com> + + * config/mmix/mmix.c (mmix_assemble_integer) <case 4>: Don't + handle SYMBOL_REF. + +2002-02-13 Stan Shebs <shebs@apple.com> + + * c-typeck.c (digest_init): Handle vectors. + (really_start_incremental_init): Same. + (pop_init_level): Same. + (process_init_element): Same. + + * varasm.c (output_constant): Same. + + * expr.c (clear_storage): Same. + (store_constructor): Same. + +2002-02-12 Eric Christopher <echristo@redhat.com> + + * explow.c (hard_function_value): Add comment explaining + signed/unsigned comparison. + +2002-02-12 Jakub Jelinek <jakub@redhat.com> + + * jump.c (never_reached_warning): Add finish argument. + If finish is NULL, stop on CODE_LABEL, otherwise stop before first + real insn after end. + * rtl.h (never_reached_warning): Adjust prototype. + * cse.c (cse_insn): Pass NULL as finish to never_reached_warning. + * cfgrtl.c (flow_delete_block): Pass b->end as finish to + never_reached_warning. + +2002-02-12 Graham Stott <grahams@redhat.com> + + * config/hp/pa.h (GO_IF_LEGITIMATE_ADDRESS): Fix typos. + +2002-02-12 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (shift_alg_hi): Improve the 15-bit + logical shifts on H8/300. + (shift_alg_si): Improve several shifts on H8/300. + (get_shift_alg): Likewise. + +2002-02-12 Graham Stott <grahams@redhat.com> + + * config/pa/pa.c (compute_movstrsi_length): Fix typos. + +Tue Feb 12 10:12:56 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * alias.c (find_base_value, case ZERO_EXTEND, case SIGN_EXTEND): + Handle #ifdef POINTERS_EXTEND_UNSIGNED. + +2002-02-11 Hans-Peter Nilsson <hp@bitrange.com> + + * config/mmix/mmix.c (mmix_assemble_integer) <case 1, 2>: Handle + non-CONST_INT through default_assemble_integer. + <case 4>: Likewise, for non-CONST_INT, non-SYMBOL_REF. + <case 8>: Abort for CONST_DOUBLE. + +2002-02-11 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * gcc.c (init_gcc_specs): Add static libgcc to link when "-shared" + is specified. + * config/pa/pa-linux.h (LIB_SPEC): Delete. + * config/pa/pa32-linux.h (LINK_COMMAND_SPEC): Delete. + +2002-02-11 Andrew Haley <aph@cambridge.redhat.com> + + * config/stormy16/stormy16.md (zero_extendqihi2): New. + +2002-02-11 Alexandre Oliva <aoliva@redhat.com> + + * regrename.c (regrename_optimize): Don't accept a + part-clobbered register if the replaced register is not part + clobbered. + + * calls.c (store_one_arg): In the non-BLKmode non-partial case, + take padding into account when computing the argument value. + + * config/sh/sh.h (FUNCTION_ARG_REGNO_P): Fix parenthesizing error. + + * combine.c (try_combine): Apply substitutions in + CALL_INSN_FUNCTION_USAGE too. + +2002-02-11 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.c (altivec_init_builtins): Handle + __builtin_altivec_abs*. + (bdesc_abs): New. + + * config/rs6000/rs6000.h (rs6000_builtins): Add + ALTIVEC_BUILTIN_ABS*. + + * config/rs6000/altivec.h: Use const char for builtins expecting + literals. + (vec_abs): New versions for C and C++. + (vec_abss): Same. + +2002-02-10 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.h (INITIALIZE_TRAMPOLINE): Simplify by + using Pmode. + +2002-02-10 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.h (STACK_POINTER_REGNUM): Use the + constant definition from h8300.md. + (FRAME_POINTER_REGNUM): Likewise. + * config/h8300/h8300.md (define_constants): Add FP_REG. + +2002-02-10 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (print_operand): Remove redundant code. + +2002-02-10 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300-protos.h: Remove the prototype for byte_reg. + * config/h8300/h8300.c (byte_reg): Make it static. + +2002-02-10 Richard Henderson <rth@redhat.com> + + PR c/5623 + * c-typeck.c (incomplete_type_error): Handle flexible array members. + +2002-02-10 Richard Henderson <rth@redhat.com> + + PR c++/5624 + * tree.c (append_random_chars): Don't abort if main_input_filename + does not exist. + +2002-02-10 Hans-Peter Nilsson <hp@bitrange.com> + + * config/mmix/t-mmix (MULTILIB_EXTRA_OPTS): Disable. + +2002-02-10 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md (pushhi1_h8300): Correct the mode used. + (pushhi1): Likewise. + +2002-02-10 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.c (reg_before_reload_operand): Don't accept a SUBREG operand. + * pa.h (PREDICATE_CODES): Adjust codes for reg_before_reload_operand. + +2002-02-09 David O'Brien <obrien@FreeBSD.org> + + * config/sparc/freebsd.h(TARGET_DEFAULT): Add MASK_EPILOGUE setting and + remove MASK_VIS. + (ASM_CPU_DEFAULT_SPEC): Remove. Default setting is fine. + +2002-02-09 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (output_logical_op): Use sub.w to clear + a half of an SImode register on H8/300. + +Sat Feb 9 18:28:02 CET 2002 Jan Hubicka <jh@suse.cz> + + * i386.md (movdi_2): Add missing '!'. + +2002-02-09 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.h: Fix formatting. Remove commented-out + definitions. + +2002-02-09 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md (length): Correct the distance valid + for the short branch. + +2002-02-09 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md (iorhi3): Tighten the predicates. + +2002-02-09 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.h (REGISTER_NATURAL_MODE): Save part-clobbered + registers in SImode. + (HARD_REGNO_CALL_PART_CLOBBERED) [TARGET_SHMEDIA32]: Set r18 as + part-clobbered. + + * config/sh/sh.c (expand_prologue): Fix mis-applied 2001-11-09's + patch. + + Contribute sh64-elf. + 2002-02-09 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.c (TARGET_CANNOT_MODIFY_JUMPS_P): Define to... + (sh_cannot_modify_jumps_p): New function. + 2002-02-05 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.c (TARGET_MS_BITFIELD_LAYOUT_P): Define to... + (sh_ms_bitfield_layout_p): New function. + 2002-02-04 Alexandre Oliva <aoliva@redhat.com> + Zack Weinberg <zack@codesourcery.com> + * config/sh/sh.h (TRAMPOLINE_ADJUST_ADDRESS): Use + expand_simple_binop instead of expand_binop. + 2002-02-03 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.h (OVERRIDE_OPTIONS) [! TARGET_SH5]: Disable + use of .quad and .uaquad. + * config/sh/sh.c (TARGET_ASM_UNALIGNED_DI_OP, + TARGET_ASM_ALIGNED_DI_OP): Add comment pointing to the above. + 2002-01-24 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.md (movdi_const, movdi_const_32bit, + movdi_const_16bit): Make sure all CONSTs have modes. + (sym2PIC): Ditto, but by adjusting all callers. + * config/sh/sh.c (calc_live_regs) [TARGET_SHCOMPACT]: Set pr_live + if the prologue calls the SHmedia argument decoder or register + saver. + 2002-01-24 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.c (TARGET_ASM_UNALIGNED_DI_OP): Define. + (TARGET_ASM_ALIGNED_DI_OP): Likewise. + (sh_expand_epilogue): Don't emit USE of return target register. + (prepare_move_operands): Legitimize DImode PIC addresses. + (sh_media_register_for_return): Skip tr0, used to initialize the + PIC register. + (sh_expand_prologue): Remove explicit USE of return register. + (nonpic_symbol_mentioned_p): PC is non-PIC. Don't recurse in + CONST_DOUBLEs. UNSPEC_GOTPLT is PIC. + * config/sh/sh.h (ASM_OUTPUT_DOUBLE_INT): Removed, obsolete. + (OVERRIDE_OPTIONS): Don't disable PIC on SH5. + (EXTRA_CONSTRAINT_S): Use MOVI_SHORI_BASE_OPERAND_P instead of + EXTRA_CONSTRAINT_T. + (GOT_ENTRY_P, GOTPLT_ENTRY_P, GOTOFF_P, PIC_ADDR_P): New. + (MOVI_SHORI_BASE_OPERAND_P): New. + (NON_PIC_REFERENCE_P, PIC_REFERENCE_P): New. + (EXTRA_CONSTRAINT_T): Define in terms of them. + (OUTPUT_ADDR_CONST_EXTRA): Handle UNSPEC_GOTPLT. + * config/sh/sh.md (movsi_media, movsi_media_nofpu, + movdi_media, movdi_media_nofpu): Add SIBCALL_REGS class to + alternatives supporting TARGET_REGS. + (UNSPEC_GOTPLT): New constant. + (movdi split): Move incrementing of LABEL_NUSES... + (movdi_const, movdi_const_32bit): Here. Use + MOVI_SHORI_BASE_OPERAND_P instead of EXTRA_CONSTRAINT_T. + (movdi_const_16bit): New. + (call, call_value) [flag_pic]: Use GOTPLT. + (call_pop, call_value_pop): New expands. + (call_pop_compact, call_pop_rettramp): New insns. + (call_value_pop_compact, call_value_pop_rettramp): New insns. + (sibcall) [flag_pic]: Use GOT. + (builtint_setjmp_receiver): Remove bogus, unused expand. + (GOTaddr2picreg): Implement for SHcompact and SHmedia. + (*pt, *ptb, ptrel): New insns. + (sym2GOT): Handle DImode GOT. + (sym2GOTPLT, symGOTPLT2reg): New expands. + (sym2PIC): New expand. + (shcompact_return_tramp): Use GOTPLT to return trampoline. + (shcompact_return_tramp_i): Use return register explicitly. + * config/sh/sh.h (OVERRIDE_OPTIONS) [TARGET_SHMEDIA]: Don't + disable flag_reorder_blocks. + 2002-01-19 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.md (sibcall_compact): Reorder return, uses and + clobbers, for clarity. + (sibcall_epilogue) [TARGET_SHCOMPACT]: Mark saving and + restoring of r0 in macl as MAYBE_DEAD. + 2002-01-18 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.h (LONG_DOUBLE_TYPE_SIZE): Define. + * config/sh/sh.md (movv4sf_i, movv16sf_i): Fix uses of + alter_subreg all over. + (jump) [TARGET_SHMEDIA]: FAIL to create new jumps after + reload, instead of emitting instructions that would require + reloading. + (casesi_load_media): Add missing modes. + 2001-11-09 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.c (sh_expand_prologue): Mark the PIC register + as used if the argument decoder is called. + 2001-08-28 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.md (udivsi3, divsi3): Load libcall symbol name in + Pmode, then extend it to DImode if necessary. + 2001-08-28 Stephen Clarke <Stephen.Clarke@st.com> + * config/sh/sh.h (LEGITIMATE_CONSTANT_P): Don't accept DFmode + constants in FPU-enabled SHmedia, let them be loaded from memory. + 2001-08-28 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.md (cmpeqdi_media, cmpgtdi_media, cmpgtudi_media): + Adjust whitespace in assembly output templates. + 2001-08-28 Stephen Clarke <Stephen.Clarke@st.com> + * config/sh/sh.md (movdicc_false, movdicc_true, movdicc): Adjust + mode of if_then_else. + 2001-08-04 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh64.h (CPP_DEFAULT_CPU_SPEC): Override definition in + sh.h. + 2001-07-26 Andrew Haley <aph@cambridge.redhat.com> + Joern Rennecke <amylaar@redhat.com> + * config/sh/sh64.h (CPP_DEFAULT_CPU_SPEC): New. + (SUBTARGET_CPP_PTR_SPEC): New. + (SUBTARGET_CPP_SPEC): Remove. + 2001-07-06 Chandrakala Chavva <cchavva@redhat.com> + * config/sh/sh.md (movsf_media_nofpu+1, movdf_media_nofpu+1): + Fix typo in previous checkin. + 2001-07-11 Chandrakala Chavva <cchavva@redhat.com> + * config/sh/sh.h (MODES_TIEABLE_P): Fix redact indentations. + 2001-07-10 Chandrakala Chavva <cchavva@cygnus.com> + Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.h (MODES_TIEABLE_P): Don't tie modes wider than + what single FP register can hold for SHmedia target. + 2001-07-06 Chandrakala Chavva <cchavva@redhat.com> + Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.md (movsf_media_nofpu+1, movdf_media_nofpu+1): + Do not split into SUBREG. + 2001-06-14 Alexandre Oliva <aoliva@redhat.com> + * config/sh/ushmedia.h, config/sh/sshmedia.h: Updated signatures + and added new functions as specified in SH5 ABI r9. + 2001-06-04 Alexandre Oliva <aoliva@redhat.com> + * config/sh/lib1funcs.asm (GCC_nested_trampoline): Align to an + 8-byte boundary. + 2001-06-03 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.c (dump_table): Add const0_rtx in calls of + gen_consttable_4 and gen_consttable_8. Emit multiple labels + and consttable_window_ends. + 2001-06-03 Graham Stott <grahams@redhat,com> + * config/sh/sh.md (movdi split): Remove unused variable last_insn. + 2001-05-16 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.c (print_operand): Handle floating-point pair, + vector and matrix registers. + * config/sh/sh.h (REGISTER_MOVE_COST): Take floating-pointer + vector modes into account. + * config/sh/sh.md (movv2sf): Split move between registers into + movdf. + (movv4sf, movv16sf): Introduce insns that get split only after + reload. + * config/sh/shmedia.h: Fix Copyright dates. + * config/sh/ushmedia.h: Likewise. Move loop counter + declarations into conditionals that uses them. + (sh_media_FVADD_S, sh_media_FVSUB_S): Fix off-by-one error in + loop boundary. + * config/sh/sshmedia.h: Fix Copyright dates. + (sh_media_PUTCFG): Fix constraints. + 2001-05-12 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define to + ptrmemfunc_vbit_in_delta for SH5. + 2001-05-08 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.h (TARGET_SWITCHES): Document -m5-*. + * invoke.texi: Likewise. + 2001-04-14 Alexandre Oliva <aoliva@redhat.com> + * config/sh/lib1funcs.asm (GCC_push_shmedia_regs, + GCC_push_shmedia_regs_nofpu, GCC_pop_shmedia_regs, + GCC_pop_shmedia_regs_nofpu): New global symbols. + * config/sh/t-sh64 (LIB1ASMFUNCS): Add them. + * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): New macro. + * config/sh/sh.c (calc_live_regs): Account for PR's saving in + compact function with nonlocal labels. + (sh_expand_prologue) [SHcompact]: Push SHmedia regs if needed. + (sh_expand_epilogue) [SHcompact]: Pop them when appropriate. + (initial_elimination_offset): Account for their stack space. + * config/sh/sh.md (shmedia_save_restore_regs_compact): New insn. + * config/sh/sh.md (movsi_media, movsi_media_nofpu, movqi_media, + movhi_media, movdi_media, movdi_media_nofpu, movdf_media, + movdf_media_nofpu, movsf_media, movsf_media_nofpu): Require at + least one of the operands to be a register. + (movv2sf): Likewise. Renamed to movv2sf_i. + (movdi, movdf, movv2sf, movv4sf, movv16sf, movsf): + prepare_move_operands() before emitting SHmedia insns. + 2001-04-03 Alexandre Oliva <aoliva@redhat.com> + * config/sh/crti.asm (init, fini) [__SH5__ && ! __SHMEDIA__]: + Don't save nor initialize r12. Don't mis-align the stack. + Pad the code with a nop. + * config/sh/crti.asm: Don't restore r12. Don't mis-align the + stack. + 2001-03-13 Alexandre Oliva <aoliva@redhat.com> + * gcc/longlong.h (__umulsidi3, count_leading_zeros) + [__SHMEDIA__]: Implement. + 2001-03-11 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.md: Set latency of `pt' closer to reality. + (movsi_media, movsi_media_nofpu, movdi_media, movdi_media_nofpu, + movdf_media, movdf_media_nofpu, movsf_media, movsf_media_nofpu): + Set move, load and store type attributes. + * config/sh/sh.c (sh_loop_align) [TARGET_SH5]: Set to 3. + * config/sh/sh.h (OVERRIDE_OPTIONS) [TARGET_SH5]: Disable + profiling. + * config/sh/sh.h (PROMOTE_MODE): Sign-extend SImode to DImode. + * config/sh/sh-protos.h (sh_media_register_for_return): Declare. + * config/sh/sh.c (sh_media_register_for_return): New function. + (sh_expand_prologue) [TARGET_SHMEDIA]: Copy r18 to an available + branch-target register. + (sh_expand_epilogue) [TARGET_SHMEDIA]: Explicitly USE it. + * config/sh/sh.md (return_media_i): Use any call-clobbered + branch-target register. + (return_media): If r18 wasn't copied in the prologue, copy it + here. + * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE) [TARGET_SHMEDIA]: + Clear class FP0_REGS. + * config/sh/sh64.h (LINK_SPEC): Removed incorrect default copied + from elf.h. + 2001-03-08 DJ Delorie <dj@redhat.com> + * config/sh/sh.h (OVERRIDE_OPTIONS): Disable relaxing for SHMEDIA. + 2001-02-09 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.md (sibcall_compact): Set fp_mode to single. + 2001-02-07 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.h (INT_ASM_OP) [SHMEDIA64]: Use `.quad'. + 2001-02-03 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.h (INIT_CUMULATIVE_ARGS): Compute size of BLKmode + return value correctly for call_cookie. + 2001-02-01 Alexandre Oliva <aoliva@redhat.com> + * config/sh/crt1.asm (start): Modified so as to call + ___setup_argv_and_call_main. + 2001-01-26 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Don't count stack_regs in + SHmedia mode. + 2001-01-20 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.h (STRIP_DATALABEL_ENCODING): New macro. + (STRIP_NAME_ENCODING): Use it. + (ASM_OUTPUT_LABELREF): Likewise. Don't call assemble_name(). + 2001-01-19 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.md (sgeu) [! SHMEDIA]: Fix invocation of + prepare_scc_operands(). + * config/sh/sh.h (SH_DATALABEL_ENCODING): Change to "#"... + (DATALABEL_SYMNAME_P): ... so that we don't need memcmp here. + 2001-01-17 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.h (STRIP_NAME_ENCODING): Strip leading `*'. + 2001-01-13 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.md (shcompact_incoming_args): Use R0_REG. + * config/sh/sh.md (R7_REG, R8_REG, R9_REG): Define as constants, + used in shcompact_incoming_args. + * config/sh/sh.c (sh_expand_epilogue): Fix thinko in previous + change. + * config/sh/crt1.asm (start) [SH5]: Switch to single-precision + mode. + * config/sh/lib1funcs.asm (sdivsi3_i4, udivsi3_i4, set_fpscr): + Adjust accordingly. + * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue): + Simplify. Adjust. Add sanity check. + * config/sh/sh.h (TARGET_SWITCHES) [5-compact]: Set + FPU_SINGLE_BIT. + * config/sh/sh.md (udivsi3_i4_single, divsi3_i4_single): Match + TARGET_SHCOMPACT. + (udivsi3, divsi3): Use them. + (force_mode_for_call): New insn. + (call, call_value, sibcall_value): Emit it before SHcompact + calls. + 2001-01-11 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.md (call, call_value, sibcall): Make sure the + call cookie is non-NULL before taking its value. + 2001-01-10 Alexandre Oliva <aoliva@redhat.com> + * config.gcc (sh64): Set target_requires_64bit_host_wide_int. + 2001-01-09 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.md (shcompact_incoming_args): Set argument memory + block. + * config/sh/sh.h (STATIC_CHAIN_REGNUM) [SH5]: Use r1. + * config/sh/sh.c (sh_expand_prologue) [SH5]: Use r0 as + temporary for stack adjusts. Use MACL and MACH to pass + arguments to shcompact_incoming_args. + * config/sh/sh.md (shcompact_incoming_args): Adjust. Don't + clobber r1. + * config/sh/lib1funcs.asm (shcompact_incoming_args): Likewise. + (nested_trampoline): Load static chain address into r1. + * config/sh/sh.md (movdi_media splits): Fix sign-extension. + 2001-01-07 Alexandre Oliva <aoliva@redhat.com + * config/sh/sh.c (fpul_operand) [SHMEDIA]: Just call + fp_arith_reg_operand(). + 2001-01-06 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.md (casesi): Sign-extend the first two operands, + and use signed compares for them. + * config/sh/sh.c (dump_table): Don't emit 8-byte constants after + 4-byte ones. Instead, inter-leave them, maintaining the 8-byte + ones properly aligned. + (find_barrier): Account for extra alignment needed for 8-byte wide + constants. + (machine_dependent_reorg): Require a label for the second 4-byte + constant after an 8-byte one. + * config/sh/lib1funcs.asm (sdivsi3): Fix typo in yesterday's + change. + 2001-01-05 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.c (machine_dependent_reorg) [SHCOMPACT]: Reset + last_float when switching float modes. + * config/sh/sh.md (movdf) [SH5]: Don't use stack-pointer + auto-increment for general-purpose registers. + * config/sh/lib1funcs.asm (sdivsi3) [SHMEDIA]: Sign-extend the + result. + * config/sh/sh.c (sh_expand_prologue) [SH5]: Use r1 as temporary + for stack adjust. + * config/sh/sh.c (sh_builtin_saveregs): Support using all + registers for varargs. + 2001-01-01 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Simplify. + * config/sh/sh.h (CALL_COOKIE_STACKSEQ, + CALL_COOKIE_STACKSEQ_SHIFT, CALL_COOKIE_STACKSEQ_GET): New macros. + (CALL_COOKIE_INT_REG_SHIFT): Adjust. + (FUNCTION_ARG_ADVANCE): Use SHCOMPACT_FORCE_ON_STACK. Adjust + call_cookie accordingly. + (FUNCTION_ARG): Test SHCOMPACT_FORCE_ON_STACK. + (SHCOMPACT_BYREF): Likewise. + (SHCOMPACT_FORCE_ON_STACK): New macro. + * config/sh/sh.c (sh_expand_prologue): Use new call_cookie format. + (sh_builtin_saveregs): Likewise. + * config/sh/lib1funcs.asm (shcompact_call_trampoline, + shcompact_incoming_args): Use new shift values. Support + sequences of consecutive and non-consecutive pushes/pops. + * config/sh/sh.md (return): Don't explicitly use PR_REG. + 2001-01-05 Hans-Peter Nilsson <hpn@cygnus.com> + * config/sh/sh.h (TEXT_SECTION): Define. + * config/sh/elf.h (ASM_FILE_START): Output TEXT_SECTION_ASM_OP. + 2001-01-05 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.h (INIT_CUMULATIVE_LIBCALL_ARGS): New macro. + * config/sh/sh.h (BASE_RETURN_VALUE_REG): Use FP regs for + return values on FPU-enabled SHmedia. + (FUNCTION_VALUE_REGNO_P): Mark FIRST_FP_RET_REG as used on + FPU-enabled SHmedia. + (INIT_CUMULATIVE_ARGS): Set up return trampoline only if + value is returned in a non-FP reg and is not returned by + reference. + * config/sh/sh.md (shcompact_return_tramp_i): Change type to + jump_ind. + 2000-01-04 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.h (SH_MIN_ALIGN_FOR_CALLEE_COPY): New. + (FUNCTION_ARG_CALLEE_COPIES): Require argument to be + quad-aligned to be passed by callee-copy reference. + 2001-01-03 Alexandre Oliva <aoliva@redhat.com> + * config/sh/elf.h (MAX_WCHAR_TYPE_SIZE): Define. + * config/sh/sh64.h (MAX_WCHAR_TYPE_SIZE): Undefine. + 2001-01-02 Alexandre Oliva <aoliva@redhat.com> + * config/sh/lib1funcs.asm (shcompact_call_trampoline): Fix error in + copying low-numbered FP regs to r7 and r8. + * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Don't request copying of + FP regs to general-purpose regs only if the copy was passed on the + stack. + * config/sh/lib1funcs.asm (shcompact_call_trampoline): Fix typo in + copying FP reg to r9. + * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Use trampoline to + copy FP regs to general-purpose regs only in outgoing calls. + * config/sh/sh.md (movdf_media, movsf_media): Revert incorrect + change from 2000-10-30. Adjust for 64-bit (or 32-bit) + HOST_WIDE_INT. + * config/sh/sh.h (struct sh_args): Document all fields. + (FUNCTION_OK_FOR_SIBCALL): Functions that receive arguments + passed partially on the stack should not consider making + sibcalls. + * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Add byref regs to + stack_regs only for incoming calls. When passing FP args, + make sure there are FP regs available before modifying + call_cookie. + (SHCOMPACT_BYREF): Pass double args in general-purpose + registers by reference. + 2000-12-30 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.h (FUNCTION_OK_FOR_SIBCALL) [SHCOMPACT]: Don't + attempt to generate sibcalls if the caller got any arguments + by reference. + * config/sh/lib1funcs.asm (set_fpscr) [SH5]: Default to double. + * config/sh/sh.c (dump_table) [SHCOMPACT]: Align DImode and DFmode + to 8-byte boundaries. + * config/sh/sh.md (shcompact_preserve_incoming_args): New insn. + * config/sh/sh.h (CALL_COOKIE_INT_REG_GET): New macro. + * config/sh/sh.c (sh_expand_prologue): Preserve args that will be + stored in the stack. + * config/sh/lib1funcs.asm (ct_main_table, ia_main_table): Arrange + for the offsets to have the ISA bit set. + (shcompact_call_trampoline): Document. Swap r0 and r1, to match + invocation. Use beq instead of bgt to mark end of sequence of + loads. + (shcompact_incoming_args): Fix store of r2. Use beq instead of + bgt to mark end of sequence of stores. + * config/sh/sh.c (arith_operand): Don't check whether + CONST_OK_FOR_J for now. + * config/sh/sh.md (movdf_media, movsf_media): Use HOST_WIDE_INT + instead of long for conversion. + 2000-12-29 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.c (print_operand_address): Convert INTVAL to int + before passing it to fprintf. + 2000-12-28 Alexandre Oliva <aoliva@redhat.com> + * config/sh/crt1.asm (start): Reset SR.FD, to enable the FP unit. + Call set_fpscr before reading/writing SR. + * config/sh/crt1.asm (start): Set SR.SZ and SR.PR, but not SR.FR. + Call set_fpscr. + * config/sh/lib1funcs.asm: Add `.align 2' directives before + SHmedia code. + (FMOVD_WORKS): Define on SH5 with FPU. + (set_fpscr): Define on SH5. Remove separate _fpscr_values + setting. + * config/sh/t-sh64 (LIB1ASMFUNCS): Add _set_fpscr instead of + _fpscr_values. + 2000-12-28 Hans-Peter Nilsson <hpn@cygnus.com> + * config/sh/lib1funcs.asm (ct_main_table): Align contents to even + address. + (ia_main_table): Ditto. + 2000-12-27 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.h (MAX_WCHAR_TYPE_SIZE): Don't define. + * config/sh/sh64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Reinstate + the definitions from sh.h. + * config/sh/sh.h (PTRDIFF_TYPE): Define as conditional on + TARGET_SH5. + (SUBTARGET_CPP_SPEC): Arrange for __PTRDIFF_TYPE__ to be defined. + * config/sh/elf.h (PTRDIFF_TYPE): Likewise. + * config/sh/sh64.h (SUBTARGET_CPP_SPEC): Likewise. + 2000-12-26 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.md (movdi_media split): Don't add REG_LABEL notes. + Increment LABEL_NUSES. + + * config/sh/sh.h (SIZE_TYPE): Define as conditional on + TARGET_SH5. + (SUBTARGET_CPP_SPEC): Arrange for __SIZE_TYPE__ to be always + defined. + * config/sh/elf.h (SIZE_TYPE): Likewise. + * config/sh/sh64.h (SUBTARGET_CPP_SPEC): Likewise. + * config/sh/lib1funcs.asm (shcompact_call_trampoline, + shcompact_incoming_args): Load switch table addresses using + datalabel. + * config/sh/sh.h (SUBTARGET_CPP_SPEC): Define __SIZE_TYPE__. + (NO_BUILTIN_SIZE_TYPE): Define. + (SIZE_TYPE): Don't define. + * config/sh/sh64.h (SUBTARGET_CPP_SPEC): Define __SIZE_TYPE__. + * config/sh/sh.h (CPP_SPEC): Fixed typo that prevented the + definition of __SH5__=32 for -m5-compact-nofpu. + * config/sh/sh.c (barrier_align): Ensure 32-bit alignment after + ADDR_DIFF_VEC. + 2000-12-24 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.h (FUNCTION_ARG_PADDING): Removed. + 2000-12-23 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.h (TARGET_CACHE32): Enable on SH5. + (FUNCTION_BOUNDARY): Ensure 32-bit alignment for SHmedia. + (INSN_LENGTH_ALIGNMENT): Likewise. + 2000-12-22 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.md (call, call_value, sibcall): Simplify + copying of non-branch-target register. + 2000-12-22 Alexandre Oliva <aoliva@redhat.com> + * glimits.h (__LONG_MAX__): Revert 2000-12-13's patch. + * config/sh/sh.h (CPP_SPEC): Define it here for 64-bit SHmedia. + 2000-12-22 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.h (GET_SH_ARG_CLASS): Handle complex + floating-point values as structs. + (FUNCTION_ARG): Use SH5_PROTOTYPED_FLOAT_ARG. + (SH5_PROTOTYPELESS_FLOAT_ARG): List FP registers before + general-purpose register. + (SH5_PROTOTYPED_FLOAT_ARG): New macro. + 2000-12-20 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.md (addsi3): Force operand1 to reg for SHmedia. + * config/sh/sh.md (movsi_media): Split CONST_DOUBLE loads too. + * config/sh/sh.h (DATALABEL_REF_P): Don't require the CONST. + (ENCODE_SECTION_INFO): Enclose variables and constants in + DATALABEL unspecs. + (SH_DATALABEL_ENCODING, DATALABEL_SYMNAME_P): Define. + (STRIP_NAME_ENCODING): Strip SH_DATALABEL_ENCODING off. + (ASM_OUTPUT_LABELREF, AMS_OUTPUT_SYMBOL_REF): Define. + * config/sh/sh.c (gen_datalabel_ref): Use UNSPEC_DATALABEL + only for LABEL_REFs. For SYMBOL_REFs, prepend + SH_DATALABEL_ENCODING to the symbol name. + * config/sh/sh.md (indirect_jump): Use SUBREG instead of + convert_mode(). + 2000-12-20 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.md (casesi): Enclose ADDR_DIFF_VEC address in + UNSPEC_DATALABEL. + * config/sh/sh.c (gen_datalabel_ref): Accept LABEL_REFs. + * config/sh/sh.h (DATALABEL_REF_NO_CONST_P): Likewise. + (DATALABEL_REF_P): Don't require CONST. + (ASM_OUTPUT_ADDR_DIFF_ELT): On SH5, output datalabel before + REL label. + 2000-12-19 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.md (extendhidi2, extendqidi2): Use arithmetic shift + right. + 2000-12-18 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.md (movsi_media, call, call_value, sibcall): + Use shallow_copy_rtx and PUT_MODE to change the mode of + SYMBOL_REFs, LABEL_REFs, CONSTs, etc. + * config/sh/sh.h (PREFERRED_RELOAD_CLASS): Reload SYMBOL_REFs + on SHmedia using GENERAL_REGs. + * config/sh/sh.md (ble_media_i, blt_media_i, bleu_media_i, + bltu_media_i): Fix reversion of conditions. + 2000-12-18 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.md (zero_extendhidi2): Use logical shift right. + * config/sh/sh.c (output_far_jump): Save r13 in macl. + 2000-12-17 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.c (gen_datalabel_ref): Fix mode of the UNSPEC. + 2000-12-16 Alexandre Oliva <aoliva@redhat.com> + * config/sh/lib1funcs.asm (ic_invalidate): Define for SH5. + (GCC_nested_trampoline): Likewise. + * config/sh/sh-protos.h (gen_datalabel_ref): Declare. + * config/sh/sh.c (gen_datalabel_ref): Define. + * config/sh/sh.h (TRAMPOLINE_SIZE): Adjust for SH5. + (INITIALIZE_TRAMPOLINE): Likewise. + (TRAMPOLINE_ADJUST_ADDRESS): Define. + (DATALABEL_REF_NO_CONST_P, DATALABEL_REF_P): Define. + (EXTRA_CONSTRAINT_T): Match DATALABEL unspecs. + (OUTPUT_ADDR_CONST_EXTRA): Handle DATALABEL unspecs. + * config/sh/sh.md (UNSPEC_DATALABEL): New constant. + (ic_invalidate): Adjust for SH5. + (ic_invalidate_line_media, ic_invalidate_line_compact): New insns. + * config/sh/t-sh64 (LIB1ASMFUNCS): Added _ic_invalidate and + _nested_trampoline. + 2000-12-15 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.h (MOVE_MAX): Set to 8 for SHmedia, 4 elsewhere. + (MOVE_MAX_PIECES): Set to 8 on SHmedia too. + 2000-12-14 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.h (DBX_REGISTER_NUMBER): Adjust for sh64-elf-gdb. + * config/sh/elf.h (DBX_REGISTER_NUMBER): Likewise. + 2000-12-14 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.c (target_reg_operand): Match only target-branch + registers and pseudos that aren't virtual registers. + * config/sh/sh.md (call, call_value, sibcall) [TARGET_SHMEDIA]: + Copy operands that don't match target_reg_operand to pseudos. + (call_media, call_value_media, sibcall_media): Use + target_reg_operand instead of target_operand. + 2000-12-13 Alexandre Oliva <aoliva@redhat.com> + * glimits.h (__LONG_MAX__) [SH5 == 64]: Adjust for 64 bits. + * config/sh/sh.c (target_reg_operand): Match hardware registers + other than branch-target registers. + * config/sh/sh.md (zero_extendqidi2): Input operand is %1. + * config/sh/lib1funcs.asm (sdivsi3) [SH5]: Make it global. + (fpscr_values) [SH5 == 32]: Define. + * config/sh/t-sh64 (LIB1ASMFUNCS): Add fpscr_values. + * config/sh/sh.md (call, call_value, sibcall) [TARGET_SHMEDIA]: + Handle function addresses coming in SUBREGs. + 2000-12-12 Alexandre Oliva <aoliva@redhat.com> + * config/sh/lib1funcs.asm (shcompact_call_trampoline, + shcompact_return_trampoline): Use datalabel where appropriate. + 2000-12-09 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use a + general-purpose register to copy one branch-target register to + another. + 2000-12-06 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.c (target_operand): Accept LABEL_REFs and + SYMBOL_REFs with VOIDmode. + * config/sh/sh.md (ble_media_i, blt_media_i, bleu_media_i, + bltu_media_i): New insns. + 2000-12-06 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.h (RETURN_IN_MEMORY): Adjust for SH5 ABI. + (INIT_CUMULATIVE_ARGS): Likewise. + 2000-12-01 Alexandre Oliva <aoliva@redhat.com> + * machmode.def (V16SFmode): New mode. + * c-common.c (type_for_mode): Support V2SF and V16SF. + * tree.c (build_common_tree_nodes_2): Likewise. + * tree.h (tree_index): Likewise. + * calls.c (emit_call_1): Take args_so_far. Adjust all + callers. Introduce CALL_POPS_ARGS. + * tm.texi (CALL_POPS_ARGS): Document. + * config/sh/crt1.asm: Implement in SHmedia mode. + * config/sh/crti.asm, config/sh/crtn.asm: Likewise + * config/sh/elf.h (ASM_SPEC, LINK_SPEC): Support SH5 flags. + (DBX_REGISTER_NUMBER): Renumber registers for SH5. + * config/sh/lib1funcs.asm: Disable functions unused in SH5. + Implement divsi and udivsi in SHmedia mode. Introduce + SHcompact trampolines. + * config/sh/sh.c (GEN_MOV, GEN_ADD3, GEN_SUB3): Use DImode + only in SHmedia64. + (regno_reg_class): Rewrite. + (fp_reg_names): Remove. + (sh_register_names, sh_additional_register_names): New. + (print_operand): Added `u'. Support SUBREGs in addresses. + Add parentheses around shifted CONSTs. + (output_file_start): Output .mode and .abi directives. + (shiftcosts, addsubcosts, multcosts): Adjust. + (output_stack_adjust): Compute alignment. Sanity-check SIZE. + (push_regs): Take array of HOST_WIDE_INTs. Adjust callers. + (calc_live_regs): Output to array of HOST_WIDE_INTs. Count + bytes, not registers. Take into account the need for the + SHcompact incoming args trampoline. Adjust all callers. + (sh_expand_prologue): Take stack_regs into account. Call + incoming args trampoline. Keep stack aligned as per SH5 ABI. + (sh_expand_epilogue): Take stack_regs into accoutn. Keep + stack aligned as per SH5 ABI. + (sh_builtin_saveregs): Support SH5 ABI. + (sh_build_va_list, sh_va_start): Likewise. + (initial_elimination_offset): Take alignment into account. + Compute location of PR according to the SH5 stack frame. + (arith_reg_operand): Reject branch-target registers. + (shmedia_6bit_operand): New. + (logical_operand): Use CONST_OK_FOR_P on SHmedia. + (target_reg_operand): Match DImode only. Accept SUBREGs. + (target_operand): New. + * config/sh/sh.h (CPP_SPEC, SUBTARGET_CPP_SPEC): Support SH5 flags. + (CONDITIONAL_REGISTER_USAGE): Implement SH5 ABI. Initialize + SIBCALL_REGS for SHmedia. + (TARGET_SH3E, TARGET_SH4): Only if SH1_BIT is set too. + (TARGET_FPU_DOUBLE, TARGET_FPU_ANY): New. + (TARGET_SHMEDIA32, TARGET_SHMEDIA64): New. + (TARGET_SWITCHES): New SH5 flags. + (OVERRIDE_OPTIONS): Set SH5-specific options. Use + VALID_REGISTER_P to disable unsupported registers. + (LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE): Set. + (POINTER_SIZE, PARM_BOUNDARY): Adjust. + (FUNCTION_ARG_PADDING): Define. + (FASTEST_ALIGNMENT): Adjust. + (SH_REGISTER_NAMES_INITIALIZER): New. + (sh_register_names): Declare. + (DEBUG_REGISTER_NAMES): Define. + (REGISTER_NAMES): Define based on sh_register_names. + (SH_ADDITIONAL_REGISTER_NAMES_INITIALIZER): New. + (sh_additional_register_names): Declare. + (LAST_GENERAL_REG, LAST_FP_REG, LAST_XD_REG): Adjust for SHmedia. + (FIRST_TARGET_REG, LAST_TARGET_REG): Define. + (TARGET_REGISTER_P, SHMEDIA_REGISTER_P, VALID_REGISTER_P): Define. + (REGISTER_NATURAL_MODE): Define. + (FIRST_PSEUDO_REGISTER): Adjust. + (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust. + (HARD_REGNO_CALL_PART_CLOBBERED): Define. + (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Adjust. + (VECTOR_MODE_SUPPORTED_P): Define. + (REG_CLASS_CONTENTS): Adjust. + (SMALL_REGISTER_CLASSES): Adjust. + (REG_ALLOC_ORDER): Adjust. + (INDEX_REG_CLASS): Adjust. + (CONST_OK_FOR_O, CONST_OK_FOR_P): New. + (CONST_OK_FOR_LETTER_P): Adjust. + (PREFERRED_RELOAD_CLASS): Adjust. + (SECONDARY_OUTPUT_RELOAD_CLASS): Adjust. + (SECONDARY_INPUT_RELOAD_CLASS): Adjust. + (NPARM_REGS, FIRST_PARM_REG, FIRST_RET_REG): Adjust. + (FIRST_FP_PARM_REG): Adjust. + (CALL_POPS_ARGS): Define. + (FUNCTION_ARG_REGNO_P): Adjust. + (struct sh_args): New fields. + (GET_SH_ARG_CLASS): Adjust. + (INIT_CUMULATIVE_ARGS): Adjust. + (INIT_CUMULATIVE_INCOMING_ARGS): Define. + (FUNCTION_ARG_ADVANCE): Adjust. + (FUNCTION_ARG): Adjust. + (FUNCTION_ARG_PASS_BY_REFERENCE, SHCOMPACT_BYREF): Define. + (FUNCTION_ARG_CALLEE_COPIES): Define. + (SH5_PROTOTYPELESS_FLOAT_ARG): Define. + (STRICT_ARGUMENT_NAMING): Define. + (PRETEND_OUTGOING_VARARGS_NAMED): Adjust. + (FUNCTION_ARG_PARTIAL_NREGS): Adjust. + (SH5_WOULD_BE_PARTIAL_NREGS): Define. + (SETUP_INCOMING_VARARGS): Adjust. + (HAVE_POST_INCREMENT, HAVE_PRE_DECREMENT): Adjust. + (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Adjust. + (REGNO_OK_FOR_INDEX_P, REG_OK_FOR_INDEX_P): Adjust. + (SUBREG_OK_FOR_INDEX_P): Adjust. + (EXTRA_CONSTRAINT_S): Update. + (EXTRA_CONSTRAINT_T): New. + (EXTRA_CONSTRAINT): Adjust. + (GO_IF_LEGITIMATE_INDEX): Adjust. + (GO_IF_LEGITIMATE_ADDRESS): Adjust. + (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Adjust. + (MOVE_MAX): Adjust. + (MAX_MOVE_MAX): Define. + (Pmode): Adjust. + (CONST_COSTS): Adjust. + (REGISTER_MOVE_COST): Adjust. + (BRANCH_COST): Adjust. + (TEXT_SECTION_ASM_OP): Adjust. + (DBX_REGISTER_NUMBER): Adjust. + (ASM_OUTPUT_DOUBLE_INT): New. + (UNALIGNED_DOUBLE_INT_ASM_OP): New. + (PREDICATE_CODES): Adjust. + (PROMOTE_MODE): Adjust. + (CRT_CALL_STATIC_FUNCTION): Do not define for SHmedia. + * config/sh/sh.md (AP_REG, PR_REG, T_REG, GBR_REG): Renumber. + (MACH_REG, MACL_REG, FPUL_REG, RAP_REG, FPSCR_REG): Renumber. + (PR_MEDIA_REG, T_MEDIA_REG, R10_REG): New. + (DR0_REG, DR2_REG, DR4_REG): Renumber. + (TR0_REG, TR1_REG, TR2_REG): New. + (XD0_REG): Renumber. + (UNSPEC_COMPACT_ARGS): New. + (type): Added pt and ptabs. + (length): Default to 4 on SHmedia. Default pt length to 12 + and 20 on SHmedia32 and SHmedia64, respectively. + (pt): New function unit. + (movdi, movsi): Add types pt and ptabs. Don't increment LABEL_NUSES. + Add whitespace between operands of SHmedia instructions. + (movdicc): Fix. + (adddi3_media, addsi3_media): Adjust constraints. + (subsi3) [SHmedia]: Force operand 1 into a register. + (udivsi3_i1_media, udivsi3_i4_media): New. + (udivsi3): Support SHmedia. + (divsi3_i1_media, divsi3_i4_media): New. + (divsi3): Support SHmedia. + (anddi3, iordi3, xordi3): Adjust constraints. + (zero_extendhidi2, zero_extendqidi2): New. + (extendsidi2, extendhidi2, extendqidi2): New. + (push, pop, push_e, push_fpul, push_4): Disable on SH5. + (pop_e, pop_fpul, pop_4): Likewise. + (movsi_media): Support FP and BT registers. + (movsi_media_nofpu): New. Adjust splits to DImode. + (lduw, ldub): Renamed to zero_extend* above. + (movqi_media): Fix typo. + (movdi_media): Support FP and BT registers. + (movdi_media_nofpu): New. Adjust splits for SHmedia32. + (movdi_const_32bit): New. + (shori_media): Require immediate operand. Use `u' for output. + (movdf_media, movsf_media): Simplified. + (movdf_media_nofpu, movsf_media_nofpu): New. + (movdf, movsf): Adjust + (movv2sf, movv2sf, movv16sf): New. + (beq_media, beq_media_i): Adjust constraints. Don't use + scratch BT register. + (bne_media, bne_media_i): Likewise. + (bgt_media, bgt_media_i): Likewise. + (bge_media, bge_media_i): Likewise. + (bgtu_media, bgtu_media_i): Likewise. + (bgeu_media, bgeu_media_i): Likewise. + (beq, bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, + bunordered): Emit jump insn. Force operands to registers when + needed. + (jump_media, jump): Simplify. + (call_compact, call_compact_rettramp): New. + (call_value_compact, call_value_compact_rettramp): New. + (call_media, call_value_media): Simplify. + (sibcall_compact, sibcall_media): New. + (call, call_value): Adjust for SHmedia and SHcompact. + (sibcall, sibcall_value, untyped_call): Likewise. + (sibcall_epilogue): Preserve r0 across epilogue for SHcompact. + (indirect_jump): Adjust for SHmedia. + (casesi_jump_media): New. + (nop): Re-enable for SHmedia. + (call_site): Restrict to SH1. + (casesi): Adjust for SHmedia. + (casesi_shift_media, casesi_load_media): New. + (return): Explicitly use PR register. Call return trampoline + on SHcompact. + (return_i): Explicitly use PR register. + (shcompact_return_tramp, shcompact_return_tramp_i): New. + (return_media): Adjust. + (shcompact_incoming_args): New. + (epilogue): Adjust. + (seq, slt, sle, sgt, sge, sgtu, sltu, sleu, sgeu, sne): Adjust. + (movstrsi): Disable on SH5. + (fpu_switch0, fpu_switch1, movpsi): Enable on SH4. + (addsf3, addsf3_media): Test TARGET_SHMEDIA_FPU. + (subsf3, subsf3_media): Likewise. + (mulsf3, mulsf3_media, mac_media): Likewise. + (divsf3, divsf3_media): Likewise. + (floatdisf2, floatsisf2_media): Likewise. Adjust constraints. + (floatsisf2, fux_truncsfsi2): Likewise. + (fix_truncsfdi2, fix_truncsfsi2_media): Likewise. Adjust + constraints. + (cmpeqsf_media, cmpgtsf_media, cmpgesf_media): Likewise. + (cmpunsf_media, cmpsf): Likewise. + (negsf2, negsf2_media, sqrtsf2, sqrtsf2_media): Likewise. + (abssf2, abssf2_media): Likewise. + (adddf3, adddf3_media, subdf3, subdf3_media): Likewise. + (muldf3, muldf3_media, divdf3, divdf3_media): Likewise. + (floatdidf2, floatsidf2_media): Likewise. Adjust constraints. + (floatsidf2, fix_truncdfsi2): Likewise. + (fix_truncdfdi2, fix_truncdfsi2_media): Likewise. Adjust + constraints. + (cmpeqdf_media, cmpgtdf_media): Likewise. + (cmpgedf_media, cmpundf_media, cmpdf): Likewise. + (negdf2, negdf2_media, sqrtdf2, sqrtdf2_media): Likewise. + (absdf2, absdf2_media): Likewise. + (extendsfdf2, extendsfdf2_media): Likewise. + (truncsfdf2, truncsfdf2_media): Likewise. + * config/sh/sh64.h: New file. + * config/sh/t-sh64: New file. + * config/sh/shmedia.h: New file. + * config/sh/ushmedia.h: New file. + * config/sh/sshmedia.h: New file. + * configure.in: Added sh64-*-elf. + * configure: Rebuilt. + 2000-10-10 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.c (GEN_MOV, GEN_ADD3, GEN_SUB3): New macros. + (reg_class_from_letter): Use `b' for TARGET_REGS. + (print_operand): Support `%M', `%m', `AND' and + `ASHIFTRT'. Do not precede constants with `#' on SHmedia. + (andcosts): Adjust for SHmedia. + (output_stack_adjust, sh_expand_prologue, sh_expand_epilogue): + Likewise. + (target_reg_operand): New function. + * config/sh/sh-protos.h (target_reg_operand): Declare. + * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Don't disable + FP registers on SH5. + (HARD_REGNO_MODE_OK): Accept them whenever they're acceptable + on SH4. + (TARGET_REGISTER_P): New macro. + (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Added TARGET_REGS. + (FUNCTION_VALUE): Use DImode for promoted types on SHmedia. + (EXTRA_CONSTRAINT_S): New macro. + (EXTRA_CONSTRAINT): Adjust. + (FLOAT_TYPE_SIZE): Define to 32. + (Pmode): DImode on SHmedia. + (CONST_COSTS): Adjust for SHmedia literals. + (PREDICATE_CODES): Added target_reg_operand. + (PROMOTE_MODE): Promote signed types to DImode on SHmedia. + * config/sh/sh.md: Remove all attrs from SHmedia insns. + (cmpeqdi_media, cmpgtdi_media, cmpgtudi_media): New insns. + (cmpdi): Accept SHmedia. + (movdicc_false, movdicc_true): New insns. + (movdicc): New expand. + (adddi3): Accept arith_operand for op2, but FAIL on SH1 if + no_new_pseudos. + (addsi3_media): Match `S' constraint. + (anddi3, andcdi3, iordi3, xordi3, negdi_media): New insns. + (negdi2): Expand for SHmedia. + (one_cmpldi2): New expand. + (zero_extendsidi2): Change from expand to insn. + (extendsidi2): Add constraints. + (movdi_media, movsi_media): Change `%x' to `%M'. Use `%m' for + LD/ST address. Fix SI immediate loading split. + (movhi_media, movqi_media, lduw, ldub): New insns. + (movhi, movqi): Accept SHmedia. + (shori_media, movdi_media): Relax input constraints. Split + symbolic constants. + (movdf_media, movsf_media): New insn. New split to movdi. + (movdf, movsf): Match on SHmedia. + (beq_media, bne_media, bgt_media, bge_media, bgtu_media, + bgeu_media): New insns and splits. New insns with `_i' suffix. + (beq, bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu): Adjust. + (bunordered): New expand. + (jump_compact): Renamed from `jump'. + (jump_media): New insn. + (jump): New expand. + (call_media, call_value_media): New insns. + (call, call_value): Adjust. + (indirect_jump_compact): Renamed from `indirect_jump'. + (indirect_jump_media): New insn. + (indirect_jump): New expand. + (untyped_call, return): Accept SHmedia. + (return_media): New insn. + (prologue, epilogue, blockage): Accept SHmedia. + (seq, slt, sle, sgt, sge, sgtu, sltu, sleu, sgeu, sne): Adjust. + (sunordered): New expand. + (addsf3, subsf3, mulsf3, divsf3, floatsisf2, fix_truncsfsi2, + cmpsf, negsf2, sqrtsf2, abssf2): Adjust for SHmedia. + (addsf3_media, subsf3_media, mulsf3_media, mac_media, + divsf3_media, floatdisf2, floatsisf2_media, fix_truncsfdi2, + fix_truncsfsi2_media, cmpeqsf_media, cmpgtsf_media, + cmpgesf_media, cmpunsf_media, negsf2_media, sqrtsf2_media, + abssf2_media): New insns. + (adddf3, subdf3, muldf3, divdf3, floatsidf2, fix_truncdfsi2, + cmpdf, negdf2, sqrtdf2, absdf2): Adjust for SHmedia. + (adddf3_media, subdf3_media, muldf3_media, divdf3_media, + floatdidf2, floatsidf2_media, fix_truncdfdi2, + fix_truncdfsi2_media, cmpeqdf_media, cmpgtdf_media, + cmpgedf_media, cmpundf_media, negdf2_media, sqrtdf2_media, + absdf2_media): New insns. + (extendsfdf2, truncdfsf2): Adjust for SHmedia. + (extendsfdf2_media, truncdfsf2_media): New insns. + 2000-09-14 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.c (machine_dependent_reorg): On shmedia, skip for now. + * config/sh/sh.h (CONST_OK_FOR_J): Document. + (LEGITIMATE_CONSTANT_P): Accept CONST_DOUBLEs on shmedia. + * config/sh/sh.md (adddi3): New expand. + (adddi3_media, adddi3z_media): New insns. + (adddi3_compact): Renamed from adddi3. + (addsi3_media): Use add.l r63 to add constant zero. + (subdi3): New expand. + (subdi3_media): New insn. + (subdi3_compact): Renamed from subdi3. + (mulsidi3): New expand. + (mulsidi3_media): New insn. + (mulsidi3_compact): Renamed from mulsidi3. + (umulsidi3): New expand. + (umulsidi3_media): New insn. + (umulsidi3_compact): Renamed from umulsidi3. + (ashlsi3_media, ashrsi3_media, lshrsi3_media): New insns. + (ashlsi3, ashrsi3, lshrsi3): Use them. + (ashldi3_media, ashrdi3_media, lshrdi3_media): New insns. + (ashldi3, ashrdi3, lshrdi3): Use them. + (zero_extendsidi2): New expand. + (extendsidi2): New insn. + (movsi_media): New insn. Split to movdi to load constants. + (movsi): Enable for shmedia. + (movdi_media): New insn. Use shori_media to load wide constants. + (short_media): New insn. + (movdi): Enable for shmedia. + 2000-09-08 Alexandre Oliva <aoliva@redhat.com> + * config/sh/sh.h (CPP_SPEC): Added `m5'. + (SUBTARGET_CPP_SPEC): Added `!m5'. + (SH5_BIT, TARGET_SH5, TARGET_SHMEDIA, TARGET_SHCOMPACT): New macros. + (TARGET_SWITCHES): Added `5' and `5-compact'. Added SH1_BIT + to all other SH variants. + (TARGET_DEFAULT): Set to SH1_BIT. + (OVERRIDE_OPTIONS): Recognize sh5 CPU. + (BITS_PER_WORD): Raise to 64 on shmedia. + (MAX_BITS_PER_WORD): Change to 64. + (MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Set to MAX_BITS_PER_WORD. + (INT_TYPE_SIZE): Keep as 32. + (UNITS_PER_WORD): Raise to 8 on shmedia. + (MIN_UNITS_PER_WORD): Keep as 4. + (POINTER_SIZE): Raise to 64 on shmedia. + (CONST_OK_FOR_J): New macro. + (CONST_OK_FOR_LETTER_P): Use it. + (processor_type): Add PROCESSOR_SH5. + * config/sh/sh.md: Conditionalize all expands, insns and + splits to TARGET_SH1. + (cpu): Added sh5. + (addsi3_compact): Renamed from... + (addsi3): Now an expand. + (addsi3_media, subsi3_media): New insns. + (subsi3): Don't negate constants with SHmedia. + + * hooks.c: New file. + * hooks.h: New file. + * Makefile.in (HOOKS_H): New. + (TARGET_DEF_H): Added $(HOOKS_H). + (OBJS): Added hooks.o. + (cfgcleanup.o, bb-reorder.o): Added target.h. + (hooks.o): Added dependencies. + * target-def.h (TARGET_CANNOT_MODIFY_JUMPS_P): New, added to... + (TARGET_INITIALIZER): this. + * doc/tm.texi (TARGET_CANNOT_MODIFY_JUMPS_P): Document. + * target.h (struct gcc_target): Added cannot_modify_jumps_p. + * bb-reorder.c: Include target.h. + (reorder_basic_blocks): Skip if cannot modify jumps. + * cfgcleanup.c: Include target.h. + (try_optimize_cfg): Skip merge blocking if cannot modify jumps. + +2002-02-08 Chris Demetriou <cgd@broadcom.com> + + * config/mips/mips.md (casesi_internal, casesi_internal_di): + Protect jump delay slot instructions with .set noreorder and + .set nomacro. + +2002-02-08 Chris Demetriou <cgd@broadcom.com> + + * config/mips/mips.md (casesi_internal_di): Calculate + the index into the target offset table correctly. + +2002-02-08 Richard Henderson <rth@redhat.com> + + * expr.c (expand_expr): Mind EXPAND_INITIALIZER for truncation also. + * final.c (output_addr_const): Accept and discard SUBREG. + * varasm.c (decode_addr_const): Don't abort on unknown expressions -- + mark them unknown instead. + (simplify_subtraction): Handle RTX_UNKNOWN. + (initializer_constant_valid_p): Strip NOP_EXPRs that narrow the mode. + +2002-02-08 David Edelsohn <edelsohn@gnu.org> + + * doc/invoke.texi (RS/6000 and PowerPC Options): Fix typo. + +2002-02-08 Richard Henderson <rth@redhat.com> + + * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_BSS): New. + +2002-02-08 Andreas Jaeger <aj@suse.de> + + * config.gcc (x86_64-*-linux): Add t-linux64 makefile fragment. + * config/i386/t-linux64: New file. + +2002-02-08 Jakub Jelinek <jakub@redhat.com> + + * c-common.c (c_expand_expr): Revert 2002-02-06 patch. + * c-parse.in (compstmt): Clear last_expr_type. + +2002-02-07 Richard Henderson <rth@redhat.com> + + * loop.c (strength_reduce): Sink final_value when not + eliminating a biv. + +2002-02-07 David O'Brien <obrien@FreeBSD.org> + + * config/sparc/freebsd.h: Fix mismatched spec {. + +2002-02-07 Richard Henderson <rth@redhat.com> + + * cfgrtl.c: Include recog.h and insn-config.h. + (keep_with_call_p): Fix general_operand invocation. + * Makefile.in (cfgrtl.o): Update dependencies. + +2002-02-07 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (two_insn_adds_subs_operand): Revise a + comment. Accept HImode only if TARGET_H8300. + +2002-02-07 Eric Christopher <echristo@redhat.com> + + * config/mips/crtn.asm: Cleanup #ifdefs. + +2002-02-07 Eric Christopher <echristo@redhat.com> + + * config/mips/crti.asm: Add changes for mips16. mips16 uses + register 7 as RA instead of $31. + * config/mips/crtn.asm: Ditto. + * config/mips/mips.c (mips_move_2words): Add case for + TARGET_MIPS16 when HOST_BITS_PER_WIDE_INT >= 64. + (compute_frame_size): Fix typo. + (save_restore_insns): Ditto. Make documentation about using + register $7 as return register more precise. + (mips_expand_epilogue): Fix comment. Add code to work around not + being able to add to the stack pointer directly. + * config/mips/mips.h (EH_RETURN_DATA_REGNO): Change register number + to 2 for TARGET_MIPS16 as we need 6 and 7 as clobbers in the + epilogue. + +2002-02-07 Tom Rix <trix@redhat.com> + + * config/rs6000/rs6000.c (reg_or_aligned_short_operand): New. For + immediates in ldu and stdu DS opcode field. + * config/rs6000/rs6000.md (movdi_update, movdi_update1): Use. + * config/rs6000/rs6000-protos.h: Add reg_or_aligned_short_operand. + * config/rs6000/rs6000.h (PREDICATE_CODES): Same. + +2002-02-07 Jeff Sturm <jsturm@one-point.com> + + * config/sparc/sparc.c (compute_frame_size): Don't correct frame + offset for stack bias. + +2002-02-07 H.J. Lu <hjl@gnu.org> + + * config/mips/linux.h (SUBTARGET_ASM_DEBUGGING_SPEC): Defined. + +2002-02-07 Ulrich Weigand <uweigand@de.ibm.com> + + * testsuite/gcc.dg/cpp/charconst-2.c: Add -fsigned-char option. + +Thu Feb 7 12:14:17 CET 2002 Jan Hubicka <jh@suse.cz> + + * i386-protos.h (x86_order_regs_for_local_alloc): Declare + * i386.c (x86_order_regs_for_local_alloc): New global function. + * i386.h (REG_ALLOC_ORDER): CLeanup. + (ORDER_REGS_FOR_LOCAL_ALLOC): New. + +2002-02-07 Richard Henderson <rth@redhat.com> + + PR optimization/2463 + * alias.c (find_base_value): Recall base values for fixed hard regs. + * loop.c (loop_regs_update): Don't use single_set on non-insns. + +2002-02-07 Alexandre Oliva <aoliva@redhat.com> + + * config/mips/mips.md (define_delay) [mips16]: Adjust required + length. + +2002-02-06 Richard Henderson <rth@redhat.com> + + PR c/5609 + * stmt.c (resolve_operand_name_1): Take more care with mixed + named and unnamed operands. + +2002-02-06 Janis Johnson <janis187@us.ibm.com> + Jan Hubicka <jh@suse.cz> + + * loop.c (remove_constant_addition): Avoid clobbering a shared + CONST expression. + +2002-02-06 Ulrich Weigand <uweigand@de.ibm.com> + + * config.gcc (s390x-*-linux*): Add t-linux64 makefile fragment. + * config/s390/t-linux64: New file. + * config/s390/libgcc-glibc.ver: New file. + +2002-02-06 Ulrich Weigand <uweigand@de.ibm.com> + + * config/s390/linux64.h: Delete file. + * config/s390/s390x.h: New file. + * config.gcc (s390x-*-linux*): Use s390x.h instead of linux64.h + as target header file. + * config/s390/linux.h (TARGET_VERSION): Define depending on + DEFAULT_TARGET_64BIT. + (CPP_SPEC, ASM_SPEC, LINK_SPEC): Likewise. + (SIZE_TYPE, PTRDIFF_TYPE): Likewise. + (NO_BUILTIN_SIZE_TYPE, NO_BUILTIN_PTRDIFF_TYPE): Define. + (CPP_ARCH31_SPEC, CPP_ARCH64_SPEC): New defines. + (LINK_ARCH31_SPEC, LINK_ARCH64_SPEC): New defines. + (EXTRA_SPEC): New define. + * config/s390/s390.h (TARGET_VERSION): Define depending on + DEFAULT_TARGET_64BIT. + (MASK_RETURN_ADDR): Add run-time check for TARGET_64BIT. + +2002-02-06 Jason Merrill <jason@redhat.com> + + * c-decl.c (finish_function): Warn about a non-void function with + no return statement and no abnormal exit. + (current_function_returns_abnormally): New variable. + (start_function): Clear it. + (struct c_language_function): Add returns_abnormally. + (push_c_function_context): Save it. + (pop_c_function_context): Restore it. + (builtin_function): Set TREE_THIS_VOLATILE on return fns. + (grokdeclarator): Set C_FUNCTION_IMPLICIT_INT on functions without + an explicit return type. + * c-tree.h: Declare current_function_returns_abnormally. + (C_FUNCTION_IMPLICIT_INT): New macro. + * c-typeck.c (build_function_call): Set it. + (c_expand_return): Set current_function_returns_value even if the + value is erroneous. + +2002-02-06 Jakub Jelinek <jakub@redhat.com> + + PR c/5420: + * c-common.c (c_unsafe_for_reeval): Make COMPOUND_LITERAL_EXPR + unsafe for reevaluation. + +2002-02-06 Jakub Jelinek <jakub@redhat.com> + + PR c/5482: + * c-common.c (c_expand_expr) [STMT_EXPR]: If last expression is not + EXPR_STMT, but COMPOUND_STMT, recurse into it. + +2002-02-06 Richard Henderson <rth@redhat.com> + + * cfganal.c (keep_with_call_p): Source for fixed_reg dest must + be a general_operand. Dest for function value must be a pseudo. + +2002-02-06 Nick Clifton <nickc@cambridge.redhat.com> + + * dbxout.c (dbxout_symbol_location): Accept LABEL_REFs as well + as SYMBOL_REFs from the constant pool. + +2002-02-06 Alexandre Oliva <aoliva@redhat.com> + + * dbxout.c (dbxout_parms): Apply DEBUGGER_ARG_OFFSET to parameters + passed by invisible reference. + +2002-02-05 Richard Henderson <rth@redhat.com> + + * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): No stack bias. + +2002-02-06 Hans-Peter Nilsson <hp@bitrange.com> + + Implement using "base addresses" in insn operands as default. + * config/mmix/mmix.c (mmix_conditional_register_usage): if + -mabi=gnu, modify fixed_regs to fit the GNU ABI. + (mmix_extra_constraint): Use 'R' to indicate that GETA should be + used to read the rtx value. + (mmix_target_asm_function_epilogue): Fix spacing. + (mmix_constant_address_p): Handle TARGET_BASE_ADDRESSES. + (mmix_legitimate_address): Ditto. + (mmix_encode_section_info): Set SYMBOL_REF_FLAG on rtx:es that + should be loaded with a GETA insn. Don't allocate needless extra + char for nul termination and fix misleading comment. + (mmix_print_operand_address): Handle constants if + TARGET_BASE_ADDRESSES. + (mmix_output_register_setting): Use base addressing if + TARGET_BASE_ADDRESSES and the number of insns is 3. + * config/mmix/t-mmix (MULTILIB_EXTRA_OPTS): New. + * config/mmix/mmix.md ("movdi"): Change the alternative with GETA + to use R as constraint, add LDA to match s. + * config/mmix/mmix.h (TARGET_BASE_ADDRESSES): New. + (TARGET_DEFAULT): Add TARGET_MASK_BASE_ADDRESSES. + (TARGET_SWITCHES): Add -mbase-addresses, -mno-base-addresses. + (FIXED_REGISTERS): Make registers $231..$246 fixed by default. + (MMIX_MMIXWARE_ABI_REG_ALLOC_ORDER): Move $231..$246 last, in + order with other fixed registers. + (MMIX_GNU_ABI_REG_ALLOC_ORDER): Put forward $231, in order with + other parameter/call-clobbered registers. + * doc/invoke.texi (Option Summary) <MMIX Options>: Add + -mbase-addresses, -mno-base-addresses. + (MMIX Options): Ditto. + +2002-02-05 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.h (PREDICATE_CODES): Add reg_before_reload_operand. + +2002-02-06 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/altivec.h: Change elem to _S_elem. + +2002-02-05 Jason Thorpe <thorpej@wasabisystems.com> + + * config/netbsd.h (WCHAR_TYPE): Define. + (WCHAR_TYPE_SIZE): Ditto. + (WINT_TYPE): Ditto. + * config/alpha/netbsd.h (WCHAR_TYPE): Remove. + (WCHAR_UNSIGNED): Ditto. + (WCHAR_TYPE_SIZE): Ditto. + (WINT_TYPE): Ditto. + * config/arm/netbsd.h: Likewise. + * config/i386/netbsd-elf.h: Likewise. + * config/i386/netbsd.h: Likewise. + * config/m68k/netbsd-elf.h: Likewise. + * config/m68k/netbsd.h: Likewise. + * config/ns32k/netbsd.h: Likewise. + * config/sparc/netbsd.h: Likewise. + * config/vax/netbsd.: Likewise. + +2002-02-05 Alexandre Oliva <aoliva@redhat.com> + + * target.h (struct gcc_target): Added ms_bitfield_layout_p. + * target-def.h (TARGET_MS_BITFIELD_LAYOUT_P): New. Added to... + (TARGET_INITIALIZER): this. + * doc/tm.texi (TARGET_MS_BITFIELD_LAYOUT_P): Document. + (BITFIELD_NBYTES_LIMITED): Markup fix. + * tree.h (default_ms_bitfield_layout_p): Declare. + (record_layout_info): Added prev_field. + * tree.c (default_ms_bitfield_layout_p): New fn. + * c-decl.c (finish_struct): Disregard EMPTY_FIELD_BOUNDARY and + PCC_BITFIELD_TYPE_MATTERS for MS bit-field layout. + * stor-layout.c: Include target.h. + (start_record_layout): Initialize prev_field. + (place_field): Handle MS bit-field layout, and disregard + EMPTY_FIELD_BOUNDARY, BITFIELD_NBYTES_LIMITED and + PCC_BITFIELD_TYPE_MATTERS in this case. Update prev_field. + * Makefile.in (stor-layout.o): Adjust dependencies. + +2002-02-05 Jason Merrill <jason@redhat.com> + + * collect2.c (dump_file): Pass DMGL_VERBOSE to cplus_demangle. + +2002-02-05 Andreas Jaeger <aj@suse.de> + + * crtstuff.c: Fix comments. + +2002-02-05 Richard Henderson <rth@redhat.com> + + PR fortran/3393 + * loop.c (loop_iv_add_mult_emit_before): Copy multiplier as well. + (loop_iv_add_mult_sink, loop_iv_add_mult_hoist): Likewise. + + PR fortran/3392 + * config/mips/mips.c (function_arg): Handle TImode. + (function_arg_advance): Likewise. + +2002-02-05 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/altivec.h (vec_step_help): Rename to + __vec_step_help. + +2002-02-05 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/altivec.h: Fix typos. + +2002-02-05 Jason Thorpe <thorpej@wasabisystems.com> + + * config/arm/netbsd.h: Correct a comment. + +2002-02-05 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.c (altivec_init_builtins): Fix typo + building void typed builtins. + + * config/rs6000/altivec.h (vec_ld*): Fix typos. + (vec_step): Implement for C++. + +Mon Feb 4 19:23:19 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * final.c (final_scan_insn): Add case for NOTE_INSN_LOOP_END_TOP_COND. + +2002-02-04 Richard Henderson <rth@redhat.com> + + * combine.c (nonzero_bits): Re-introduce special case for + sp/fp/ap wrt REGNO_POINTER_ALIGN. + +2002-02-05 Aldy Hernandez <aldyh@redhat.com> + + * doc/extend.texi: Warn about unsupported usage of altivec + builtins. + + * config/rs6000/rs6000.md (altivec_vcmp*_p): Remove. + (altivec_predicate_*): New. + + * config/rs6000/altivec.h: Rewrite predicates to use new builtins. + Add C++ version of vec_*() functions. + + * config/rs6000/rs6000.c (bdesc_altivec_preds): New. + (bdesc_2arg): Remove altivec predicates. + (altivec_expand_builtin): Handle predicates. + (altivec_init_builtins): Handle predicates. + (altivec_expand_predicate_builtin): New. + +2002-02-04 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.c (DO_FRAME_NOTES): Move forward. + (store_reg): Revise handling of frame notes. + (load_reg): Likewise. + (set_reg_plus_d): Likewise. + (hppa_expand_prologue): Likewise. + (hppa_expand_epilogue): Likewise. + +2002-02-04 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * unwind-dw2-fde-glibc.c: Define _GNU_SOURCE if not defined. + +2002-02-04 Jakub Jelinek <jakub@redhat.com> + + PR c/4475, c++/3780: + * c-common.def (SWITCH_STMT): Add SWITCH_TYPE operand. + * c-common.h (SWITCH_TYPE): Define. + * c-typeck.c (c_start_case): Set SWITCH_TYPE. + * stmt.c (all_cases_count): Set lastval to thisval at end of loop. + Rename spareness variable to sparseness. + (expand_end_case_type): Renamed from expand_end_case, use orig_type + if non-NULL instead of TREE_TYPE (orig_index). + * tree.h (expand_end_case_type): Renamed from expand_end_case. + (expand_end_case): Define using expand_end_case_type. + * c-semantics.c (genrtl_switch_stmt): Pass SWITCH_TYPE + to expand_end_case_type. + * doc/c-tree.texi (SWITCH_STMT): Document SWITCH_TYPE. + +2002-02-04 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.h (PREFERRED_STACK_BOUNDARY): Define to match standard rounding. + (BIGGEST_ALIGNMENT): Change to 128. + +2002-02-04 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa32-linux.h (LINK_COMMAND_SPEC): Define. + +2002-02-04 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.md (call_internal_reg_64bit): Remove unused variable. + +2002-02-04 Nick Clifton <nickc@cambridge.redhat.com> + + * config/arm/arm.h (machine_function): Add uses_anonymous_args + field. + (SETUP_INCOMING_VARARGS): Set uses_anonymous_args. + * config/arm/arm.c (current_function_anonymous_args): Delete, + replace uses with cfun->machine->uses_anonymous_args. + (arm_reorg): Do not reset uses_anonymous_args. + + * config/arm/arm.c (arm_hard_regno_mode_ok): Allow any value in + any geenral register. + +2001-02-04 Bernd Schmidt <bernds@redhat.com>s + + * cfgrtl.c (force_nonfallthru_and_redirect): Don't try to redirect + the entry block. + +2002-02-04 Richard Henderson <rth@redhat.com> + + * combine.c (force_to_mode): Remove STACK_BIAS code. + (nonzero_bits): Likewise. Replace sp/fp special case with + REGNO_POINTER_ALIGN. + + * config/sparc/sparc.h (FRAME_POINTER_REGNUM): Change to SFP. + (HARD_FRAME_POINTER_REGNUM): New. + (FIRST_PSEUDO_REGISTER, REG_CLASS_CONTENTS): Update. + (FIXED_REGS, CALL_USED_REGS): Update. + (REG_ALLOC_ORDER, REGISTER_NAMES): Update. + (CONDITIONAL_REGISTER_USAGE): Update for HFP. + (HARD_REGNO_NREGS): Update for SFP. + (STACK_POINTER_OFFSET): Include bias here ... + (FIRST_PARM_OFFSET): ... not here. + (STACK_BIAS): Remove. + (INIT_EXPANDERS): New. + (STARTING_FRAME_OFFSET): Do not include bias. + (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New. + (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Update for SFP. + (REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Likewise. + * config/sparc/aout.h (DBX_REGISTER_NUMBER): Update for HFP. + * config/sparc/litecoff.h, config/sparc/sol2.h: Likewise. + * config/sparc/sparc.c (mem_min_alignment): Update for HFP. + (sparc_nonflat_function_prologue, epilogue_renumber): Likewise. + (MUST_SAVE_REGISTER): Likewise. + (sparc_flat_function_prologue): Likewise. + (sparc_flat_function_epilogue): Likewise. + (HARD_FRAME_POINTER_MASK): Rename from FRAME_POINTER_MASK. + (sparc_init_modes): SFP is GENERAL_REGS. + (sparc_builtin_saveregs): SFP does not have bias applied. + +2002-02-04 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (current_function_is_thunk): Don't check + current_function_is_thunk. + (alpha_sa_mask): Distinguish between current_function_is_thunk + called from ASM_OUTPUT_MI_THUNK and not. + (alpha_does_function_need_gp): Thunks always need gp. + (alpha_start_function, alpha_output_function_end_prologue): Likewise. + (alpha_output_mi_thunk_osf): New. + * config/alpha/alpha-protos.h: Update. + * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): New. + +2002-02-04 Richard Sandiford <rsandifo@redhat.com> + + * c-typeck.c (build_c_cast): Warn when qualifiers are added to + function types, not when they're taken away. + +Mon Feb 4 09:05:58 2002 Jeffrey A Law (law@redhat.com) + + * cfgrtl.c (try_redirect_by_replacing_jump): Remove associated + CODE_LABEL and jump table when replacing a table jump with a + simple jump. + +2002-02-04 Ulrich Weigand <uweigand@de.ibm.com> + + * config/s390/s390-protos.h (legitimize_la_operand, + s390_secondary_input_reload_class, s390_plus_operand, + s390_expand_plus_operand): Add prototypes. + + config/s390/s390.c (s390_secondary_input_reload_class, + s390_plus_operand, s390_expand_plus_operand): New functions. + + (struct s390_address): New member 'pointer'. + (s390_decompose_address): Compute it. + (legitimate_la_operand_p): Use it. + (legitimize_la_operand): New function. + (movti, movdi, movdf splitters): Call it. + + config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS): Define. + (PREDICATE_CODES): Add s390_plus_operand. + + config/s390/s390.md (adddi3_inv_64, addaddr_ccclobber): Delete. + (la_ccclobber): Allow GENERAL_REGS as output operand. + + (reload_load_address, *reload_load_address_reg_0, *la, *do_la_reg_0, + *reload_la_64, *reload_la_31 and splitters): Delete, replace by ... + (*la_64, *la_31, reload_indi, reload_insi): ... these. + +2002-02-04 Ulrich Weigand <uweigand@de.ibm.com> + + * gcc/config/s390/s390.h (CRT_CALL_STATIC_FUNCTION): Fixed + register names for regular asm () construct. + +2002-02-04 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.md (movsf_1): Allow moving SF values in MMX + registers. + +2002-02-04 Jakub Jelinek <jakub@redhat.com> + + * combine.c (recog_for_combine): Create a dummy insn with PATTERN + pat for recog. + +2002-02-04 Hartmut Penner <hpenner@de.ibm.com> + + * varasm.c (decode_rtx_const): Allow unspec (symbol_ref) in + constant pool to be identical by string address and index. + +2002-02-04 Anthony Green <green@redhat.com> + + * output.h (SECTION_OVERRIDE): Define. + * varasm.c (named_section): Obey SECTION_OVERRIDE. + +2002-02-03 Jason Thorpe <thorpej@wasabisystems.com> + + * config.gcc (arm*-*-netbsdelf*): Placeholder to prevent match + by existing arm*-*-netbsd* (a.out) target. + (ns32k-*-netbsdelf*): Likewise. + (sparc-*-netbsdelf*): Likewise. + (vax-*-netbsdelf*): Likewise. + +2002-02-03 Danny Smith <dannysmith@users.sourceforge.net> + + * gthr-win32.h: Protect against conflicting typedef for BOOL in windows + headers and libobjc headers. + +2002-02-03 Mumit Khan <khan@nanotech.wisc.edu> + + * gthr-win32.h (__mingwthr_key_dtor): Use extern "C" linkage for C++. + (_mingw.h): Remove duplicate include. + +2002-02-03 Jason Thorpe <thorpej@wasabisystems.com> + + * config.gcc: Set cpu_type to m68k for 68010, as well. + (m68010-*-netbsdelf*): New... + (m68k*-*-netbsdelf*): ...targets. + * config/m68k/netbsd-elf.h: New file. + +2002-02-02 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (hand_list): Move inside function_arg. + +2002-02-02 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (h8_push_ops): Move inside + h8300_init_once. + (h8_pop_ops): Likewise. + (h8_move_ops): Likewise. + +2002-02-02 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (os_task): Make it static. + (monitor): Likewise. + (pragma_saveall): Likewise. + +2002-02-02 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.md (ic_invalidate_line): Make sure the immediate + constant is a valid sign-extension for Pmode. + +2002-02-02 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c: Fix formatting. + +2002-02-02 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md: Fix formatting. + +2002-02-02 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md (one_cmpl patterns): Tighten the + predicates of operands[1]. Split the patterns for each + processor variant. + +2002-02-02 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md (xor patterns): Tighten the predicates + of operands[1] to register_operand. + +2002-02-02 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.h (struct spec_nodes): Remove n__CHAR_UNSIGNED__. + * cpphash.c (_cpp_init_hashtable): Similarly. + * cppinit.c (cpp_create_reader): Default the signed_char flag. + (init_builtins): Define __CHAR_UNSIGNED__ appropriately. + (COMMAND_LINE_OPTIONS): Recognize -f{un,}signed-char. + (cpp_handle_option): Handle the new options. + * cpplex.c (cpp_interpret_charconst): Use new flag. + * cpplib.h (struct cpp_options): New member signed_char. + * gcc.c (cpp_unique_options): Remove %c spec and documentation. + (cpp_options): Handle -fsigned-char and -funsigned-char. + (static_specs): Remove signed_char_spec. + (do_spec1): Don't handle %c. + * system.h: Poison SIGNED_CHAR_SPEC. + * tradcif.y (yylex): Use flag_signed_char. + * tradcpp.h (flag_signed_char): New. + * tradcpp.c (flag_signed_char): New. + (main): Handle new command-line options. + (initialize_builtins): Define __CHAR_UNSIGNED__ if appropriate. +config: + * alpha/alpha.h (SIGNED_CHAR_SPEC): Remove. + * avr/avr.h: Remove old comments. + * i960/i960.h (CPP_SPEC): Pass -fsigned-char if -mic*. + (CC1_SPEC): Pass -fsigned-char if -mic*. + (SIGNED_CHAR_SPEC): Remove. +doc: + * tm.texi (SIGNED_CHAR_SPEC): Remove documentation. + +2002-02-01 Eric Christopher <echristo@redhat.com> + + From Daniel Jacobowitz <dmj+@andrew.cmu.edu> + * config/mips/mips.h (FUNCTION_PROFILER): Fix function profiling. + * config/mips/linux.h (ASM_OUTPUT_REG_PUSH): Undefine. + (ASM_OUTPUT_REG_POP): Ditto. + +2002-02-02 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-decl.c, tree.c, tree.h, objc/objc-act.c: Revert bitfield + patch. + +2002-02-02 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.h (CPP_CPUCOMMON_SPEC): Add missing | separators. + +2002-02-02 Jakub Jelinek <jakub@redhat.com> + + PR c/5304: + * expmed.c (expand_mult_highpart): Use immed_double_const for wide_op1 + unconditionally. + +2002-02-01 Janis Johnson <janis187@us.ibm.com> + + * cfganal.c: Include tm_p.h. + (keep_with_call_p): Fix the test that determines if a register holds + the return value of a call. + +2002-02-01 DJ Delorie <dj@redhat.com> + + * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): If + we are given conflicting registers, switch to the other one we + had allocated for us. + * config/sparc/sparc.md (reload_indi, reload_outdi): Pass op[2] + as TImode so we know when the "other" register is available. + +2002-02-01 David O'Brien <obrien@FreeBSD.org> + + * config/sparc/sol2-sld-64.h: Include sparc/biarch64.h rather than + sparc/sparc_bi.h. + +2002-02-01 Janis Johnson <janis187@us.ibm.com> + + * cfganal.c (keep_with_call_p): New function. + (flow_call_edges_add): Prevent splitting a block between a call and + a single-set instruction that should be kept in the same block. + +2002-02-01 Craig Rodrigues <rodrigc@gcc.gnu.org> + + * doc/install.texi (avr): Update outdated URL. + +2002-01-30 Andrew Haley <aph@cambridge.redhat.com> + + * config/stormy16/stormy16.md (pushqi): New. + (popqi): New. + (pushhi): New. + (pophi): New. + (movhi): Remove stack operands. + (movqi): Likewise. + * config/stormy16/stormy16.h (PREDICATE_CODES): Add + nonimmediate_nonstack_operand. + * config/stormy16/stormy16.c (nonimmediate_nonstack_operand): + New. + * config/stormy16/stormy16-protos.h (nonimmediate_nonstack_operand) + New. + +2002-01-31 Jason Merrill <jason@redhat.com> + + * Makefile.in (c-parse.c): Handle .output file. + * objc/Make-lang.in (objc-parse.c): Likewise. + +2002-02-01 Alexandre Oliva <aoliva@redhat.com> + + * config/mips/mips.h (ENDIAN_SPEC): Output the endianness flag if + the -me[lb] option is given. Don't output the default flag + twice. + +2002-01-31 Zack Weinberg <zack@codesourcery.com> + + * c-lex.c (yyparse): Call debug_hooks->start_source_file for + the primary source file; this has not been done yet. + * c-decl.c (c_expand_body): Reset input_filename from + DECL_SOURCE_FILE (fndecl) before calling init_function_start. + +2002-01-31 Kazu Hirata <kazu@hxi.com> + + * rtlanal.c (subreg_regno_offset): Do not use + SUBREG_REGNO_OFFSET. + * system.h: Add SUBREG_REGNO_OFFSET to the GCC poison list. + * doc/tm.texi (SUBREG_REGNO_OFFSET): Remove. + +2002-01-31 Joseph S. Myers <jsm28@cam.ac.uk> + + * gccbug.in: Follow GNU Coding Standards for --version. Use GCC + version rather than GNATS version in --version output. + +2002-01-31 Richard Sandiford <rsandifo@redhat.com> + + * ifcvt.c (noce_process_if_block): Make a copy of the destination + when copying back from a temporary. + +2002-01-30 Richard Henderson <rth@redhat.com> + + * ifcvt.c (dead_or_predicable): Handling merging when other_bb + and new_dest are the same. + +2002-01-30 Richard Henderson <rth@redhat.com> + + PR opt/5076 + * rtl.h (NOTE_INSN_LOOP_END_TOP_COND): New. + * rtl.c (note_insn_name): Update. + * emit-rtl.c (remove_unnecessary_notes): Kill it. + * stmt.c (expand_end_loop): Kill jump opt code. Use LOOP_END_TOP_COND + to perform loop rotation. + (expand_exit_loop_top_cond): New. + * tree.h (expand_exit_loop_top_cond): Declare it. + * c-semantics.c (genrtl_while_stmt): Use it. + (genrtl_for_stmt): Likewise. + +2002-01-30 Alexandre Oliva <aoliva@redhat.com> + + * config/mips/mips.h (PARM_BOUNDARY): Guarantee alignment of + arguments to 64-bit boundaries on 64-bit ABIs. + +2002-01-30 Steve Ellcey <sje@cup.hp.com> + + * loop.c (loop_invariant_p): Special case pic_offset_table_rtx. + +2002-01-31 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-decl.c (grokdeclarator): Handle type being a typedef for an + invalid type. + +2002-01-30 David O'Brien <obrien@FreeBSD.org> + + * config.gcc: Include sparc/biarch64.h rather than sparc/sparc_bi.h. + * config/sparc/sparc_bi.h: Remove file. + * config/sparc/biarch64.h: New file (rename of sparc_bi.h). + +2002-01-30 Richard Henderson <rth@redhat.com> + + * sched-deps.c (sched_analyze): Make a call read the frame pointer. + +2002-01-30 Zack Weinberg <zack@codesourcery.com> + + * expmed.c (emit_store_flag): Call protect_from_queue on op0 and op1. + +2002-01-30 Jason Merrill <jason@redhat.com> + + * dwarf2out.c (dwarf_cfi_name): Add other DWARF 3 codes. + (output_cfi): Likewise. Disable DW_CFA_GNU_negative_offset_extended. + (reg_save): Use DW_CFA_offset_extended_sf instead. + + * dwarf2out.c (dwarf2out_finish): Don't abort if there were errors. + +2002-01-29 Jakub Jelinek <jakub@redhat.com> + + * cselib.c (cselib_record_sets): Use IF_THEN_ELSE result + in cselib_lookup. + +2002-01-29 Aldy Hernandez <aldyh@redhat.com> + + * rs6000.md ("*call_value_local32"): Remove constraints. + ("*call_value_local64"): Same. + ("*call_value_indirect_nonlocal_aix32"): Same. + ("*call_value_nonlocal_aix32"): Same. + ("*call_value_indirect_nonlocal_aix64"): Same. + ("*call_value_nonlocal_aix64"): Same. + ("*call_value_nonlocal_sysv"): Same. + +2002-01-29 Richard Henderson <rth@redhat.com> + + * config/alpha/elf.h (SDB_DEBUGGING_INFO): Undef. + +2002-01-29 Richard Henderson <rth@redhat.com> + + * expr.c (force_operand): Ignore flag_pic for detecting pic + address loads. + * regclass.c (init_reg_sets_1): Test fixed_regs not flag_pic + for determining if PIC_OFFSET_TABLE_REGNUM is call-clobbered. + * resource.c (mark_target_live_regs): Use regs_invalidated_by_call + instead of open-coded loop. + * doc/tm.texi (PIC_OFFSET_TABLE_REGNUM): Clarify that it must + be fixed when in use. + +2002-01-29 Richard Henderson <rth@redhat.com> + + * sched-int.h (struct deps_reg): Add uses_length, clobbers_length. + * sched-rgn.c (propagate_deps): Update them. + * sched-deps.c (sched_analyze_insn): Update them. Flush the + clobbers list when either gets too long. + +2002-01-29 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.h (LIMIT_RELOAD_CLASS): Handle LEGACY_REGS + and INDEX_REGS the same as GENERAL_REGS. + (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise. + +2002-01-29 Neil Booth <neil@daikokuya.demon.co.uk> + + * tree.c (build_nonstandard_integer_type): Correct prototype. + +2002-01-29 Ulrich Weigand <uweigand@de.ibm.com> + + * config/s390/s390.md (movstrsico, movstrdix_64, + movstrsix_31): Remove, replace by ... + (movstrdi_short, movstrsi_short, movstrdi_long, + movstrsi_long): ... these. New. + (movstrdi, movstrsi): Adapt. + + (rotldi3, rotlsi3, ashldi3, *ashldi3_31, *ashldi3_64, + ashlsi3, lshrdi3, *lshrdi3_31, *lshrdi3_64, lshrsi3): + Remove unnecessary CC clobber. + (*ashrdi3_cc_31, *ashrdi3_cconly_31, *ashrdi3_cc_64, + *ashrdi3_cconly_64, *ashrsi3_cc, *ashrsi3_cconly): New. + + (divmoddi4): Don't partially initialize TImode register. + +2002-01-29 Geoffrey Keating <geoffk@redhat.com> + + * doc/sourcebuild.texi (C Tests): Document gcc.dg/debug directory. + +2002-01-29 Richard Henderson <rth@redhat.com> + + * flow.c (print_rtl_and_abort): Remove. + (print_rtl_and_abort_fcn): Remove. + (verify_local_live_at_start): Use dump_bb instead. + (verify_wide_reg): Likewise. Take a basic_block, not rtl endpoints. + (verify_wide_reg_1): Return 2 on mode test failure. + +2002-01-29 Neil Booth <neil@daikokuya.demon.co.uk> + + PR c/3325, c/3326, c/2511, c/3347 + * c-decl.c (enum_decl_context): Remove BITFIELD. + (grokdeclarator): Take bitfield width as an input. + Ensure bitfields are given the correct type. Perform + bitfield width validation with build_bitfield_integer_type + rather than waiting for finish_struct. + (grok_typename, grok_typename_in_parm_context, start_decl, + push_parmdecl, grokfield, start_function): Update calls to + grokdeclarator. + (build_bitfield_integer_type): New function. + (finish_struct): Move bitfield validation to grokdeclarator + and build_bitfield_integer_type. + * tree.c (build_nonstandard_integer_type): New function. + * tree.h (build_nonstandard_integer_type): New prototype. +objc: + * objc-act.c (objc_copy_list): Remove DECL_INITIAL kludge. + +2002-01-29 Jakub Jelinek <jakub@redhat.com> + + PR other/1502: + * cppinit.c (cpp_handle_option): Add ignore argument, if it is zero, + don't ignore unrecognized -W* options. + (cpp_handle_options): Pass 1 as last argument to cpp_handle_option. + * cpplib.h (cpp_handle_option): Adjust prototype. + * c-decl.c (c_decode_options): Pass 0 as last argument to + cpp_handle_option. + + PR c/2896: + * gcc.c (cpp_unique_options): Split from cpp_options. + (cpp_options): Source cpp_unique_options. + (default_compilers): Use cpp_unique_options instead of cpp_options + when used together with cc1_options. + (static_specs): Add cpp_unique_options. + * objc/lang-specs.h: Use cpp_unique_options instead of cpp_options + when used together with cc1_options. + +2002-01-29 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300-protos.h: Update the prototype of + output_a_shift. + * config/h8300/h8300.c (output_a_shift): Remove an unused + argument 'insn'. Remove redundant code. + * config/h8300/h8300.md: Adust to the new prototype of + output_a_shift. + +2002-01-29 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300-protos.h: Update the prototypes of + emit_a_rotate and expand_a_rotate. + * config/h8300/h8300.c (emit_a_rotate): Change the type of the + first argument to 'enum rtx_code'. + (expand_a_rotate): Likewise. + +2002-01-28 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300-protos.h: Update the prototype of + output_simode_bld. + * config/h8300/h8300.c (output_simode_bld): Remove an argumen + 'log2'. + * config/h8300/h8300.md: Adjust to the new prototype. + +2002-01-28 Kazu Hirata <kazu@hxi.com> + + * conifg/h8300/h8300.c (h8300_adjust_insn_length): Remove + redundant code. + +2002-01-28 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * emit-rtl.c (gen_rtx_REG): Check that the PIC_OFFSET_TABLE_REGNUM + is a fixed register before returning pic_offset_table_rtx. + * loop.c (scan_loop): Don't hoist insns that set pic_offset_table_rtx + when PIC_OFFSET_TABLE_REG_CALL_CLOBBERED is defined. + +2002-01-28 Jason Merrill <jason@redhat.com> + + * dwarf2.h: Sync with src version. + +2002-01-28 Paul Koning <pkoning@equallogic.com> + + * builtin-types.def (BT_FN_VOID_CONST_PTR_VAR): Replace + BT_FN_VOID_PTR_VAR. + * builtins.def (BUILT_IN_PREFETCH): Change first argument to be const. + * doc/extend.texi (__builtin_prefetch): Update documentation: + first argument is now const void ptr. + +2002-01-28 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300-protos.h: Remove an unused prototype. + +2002-01-28 Roman Zippel <zippel@linux-m68k.org> + + * toplev.c (lang_independent_init): Round up identifier size. + +2002-01-28 Richard Earnshaw <rearnsha@arm.com> + + * config.gcc: Revert previous change. + +2002-01-28 Andris Pavenis <pavenis@latnet.lv> + + * config/i386/djgpp.h: Use STRIP_NAME_ENCODING in macro UNIQUE_SECTION + +2002-01-28 Richard Earnshaw <rearnsha@arm.com> + + * config.gcc (*-*-netbsdelf*): Set up generic parameters. + (*-*-netbsd*): Always use collect2. Remove collect2 settings from + other non-elf netbsd config frags. + * config/netbsd-aout.h (STARTFILE_SPEC): Don't pull in c++rt0 since + collect2 will does that. + * config/netbsd.h (LIBGCC_SPEC): Add white space before -lgcc, so that + shared-lib frobbing will work. + +2002-01-28 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.h: Fix formatting. + * config/h8300/h8300.md: Likewise. + +2002-01-28 Loren J. Rittle <ljrittle@acm.org> + + * fixinc/inclhack.def (strict_ansi_not): Add a bypass based on + the old, removed AAA_standards fix. + * fixinc/fixincl.x: Rebuilt. + +2002-01-28 Hans-Peter Nilsson <hp@axis.com> + + * config/cris/cris.h (CRT_CALL_STATIC_FUNCTION): Change to emit + atexit call in crtbegin, hooked in after call to frame_dummy; + register EH before registering __fini__start. + +2002-01-28 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/altivec.h: Remove spurious semicolons. + +2002-01-27 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md: Replace dead bit extraction patterns + with ones that work. + +Sun Jan 27 13:23:40 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * emit-rtl.c (get_mem_attrs): Don't default alignment for non-BLKmode + if not STRICT_ALIGNMENT. + * rtl.h (MEM_ALIGN): Likewise. + +2002-01-27 Craig Rodrigues <rodrigc@gcc.gnu.org> + + * doc/invoke.texi (-fdump-translation-unit): Revert this + patch: 2001-10-21 Craig Rodrigues <rodrigc@gcc.gnu.org> + +2002-01-27 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md (define_constants): New. + (anonymous patterns) Use defined constants appropriately. + +2002-01-27 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (function_arg): Remove redundant code. + +2002-01-26 Richard Henderson <rth@redhat.com> + + * sched-deps.c (reg_pending_uses_head): New. + (reg_pending_barrier): Rename from reg_pending_sets_all. + (find_insn_list): Don't mark inline. + (find_insn_mem_list): Remove. + (add_dependence_list, add_dependence_list_and_free): New. + (flush_pending_lists): Replace only_write param with separate + for_read and for_write parameters. Update all callers. Use + add_dependence_list_and_free. + (sched_analyze_1): Do not add reg dependencies here; just set + the pending bits. Use add_dependence_list. + (sched_analyze_2): Likewise. + (sched_analyze_insn): Replace schedule_barrier_found with + reg_pending_barrier. Add all dependencies for pending reg + uses, sets, and clobbers. + (sched_analyze): Don't add reg dependencies for calls, just + set pending bits. Use regs_invalidated_by_call. Treat + sched_before_next_call as a normal list, not a fake insn. + (init_deps): No funny init for sched_before_next_call. + (free_deps): Free pending mems lists. Don't zero reg_last. + (init_deps_global): Init reg_pending_uses. + (finish_deps_global): Free it. + * sched-int.h (deps): Make in_post_call_group_p boolean. Update docs. + (find_insn_mem_list): Remove. + * sched-rgn.c (concat_INSN_LIST, concat_insn_mem_list): New. + (propagate_deps): Use them. Zero temp mem lists. + +2002-01-26 Richard Henderson <rth@redhat.com> + + * Makefile.in (CRTSTUFF_CFLAGS): New. + (crtbegin.o, crtend.o, crtbeginS.o, crtendS.o, crtbeginT.o): Use it. + * config.gcc (alpha-linux, alpha-freebsd, alpha-netbsd): Use plain + crtstuff.c instead of alpha assembly version. + * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Rewrite to assume the + entire dummy function sequence. Use FORCE_CODE_SECTION_ALIGN + not FORCE_{INIT,FINI}_SECTION_ALIGN. + (__do_global_dtors_aux): Mark used. + (frame_dummy, __do_global_ctors_aux): Mark used. + (fini_dummy, init_dummy): Remove. + + * config/alpha/crtbegin.asm: Remove file. + * config/alpha/crtend.asm: Remove file. + * config/alpha/t-crtbe: Remove file. + * config/alpha/elf.h (CRT_CALL_STATIC_FUNCTION): New. + (LINK_EH_SPEC): New. + + * config/cris/cris.h (CRT_CALL_STATIC_FUNCTION): Rewrite old + FORCE_INIT_SECTION_ALIGN hack. Register __fini_start before + calling constructors. + * config/cris/linux.h (CRT_CALL_STATIC_FUNCTION): Undef. + + * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): New. + * config/i386/linux.h (CRT_CALL_STATIC_FUNCTION): Replace old + CRT_END_INIT_DUMMY hack. + * config/i386/sol2.h (FORCE_CODE_SECTION_ALIGN): Replace + FORCE_{INIT,FINI}_SECTION_ALIGN. + + * config/mcore/mcore-elf.h (FORCE_CODE_SECTION_ALIGN): Replace + FORCE_{INIT,FINI}_SECTION_ALIGN. + + * config/s390/s390.h (CRT_CALL_STATIC_FUNCTION): Update for new + invocation sequence. + * config/sh/sh.h (CRT_CALL_STATIC_FUNCTION): Likewise. + + * doc/tm.texi (CRT_CALL_STATIC_FUNCTION): Update. + (FORCE_CODE_SECTION_ALIGN): New. + +2002-01-26 Richard Henderson <rth@redhat.com> + + * config/cris/cris.c (cris_print_operand): Handle 64-bit CONST_INT. + +2002-01-26 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (alpha_sa_mask): Mark RA for unicos here too. + (alpha_sa_size): Use alpha_sa_mask to compute size of saved regs. + +2002-01-26 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md: Remove bit extraction patterns that + cannot be triggered. + Restrict each bit extraction pattern to a variant on which the + pattern is tested. + +2002-01-26 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/include/texinfo.tex: Update to version 2002-01-04.07. + +2002-01-26 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md: Remove bit test patterns that cannot + be triggered. + Restrict each bit test pattern to a variant on which the + pattern is tested. + +2002-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (expand_builtin_strncat): Remove redundant check for + INTEGER_CST. + +2002-01-25 David O'Brien <obrien@FreeBSD.org> + + * config/i386/x86-64.h (DEFAULT_PCC_STRUCT_RETURN): Do not overide + default setting. + * config/i386/freebsd64.h (DEFAULT_PCC_STRUCT_RETURN): Do not override + existing setting. + +2002-01-25 Geoffrey Keating <geoffk@redhat.com> + + * dbxout.c (dbxout_init): Use assemble_name rather than just + stripping off the first character. + (dbxout_source_file): Likewise. + +2002-01-25 DJ Delorie <dj@redhat.com> + + * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): Compare + using rtx_equal_p, not by comparing pointers. + +2002-01-25 Steve Ellcey <sje@cup.hp.com> + + * emit-rtl.c (gen_rtx_REG): Always return the same rtx + for PIC_OFFSET_TABLE_REGNUM. + (init_emit_once): Use gen_raw_REG to initialize pic_offset_table_rtx. + +2002-01-25 David O'Brien <obrien@FreeBSD.org> + + * config.gcc (x86_64-*-freebsd*): New target. + (x86_64-*-netbsd*,x86_64-*-linux*): Use ${tm_file} rather than its + value. + (i[34567]86-*-freebsd*): Don't include svr4.h. + * config/i386/freebsd64.h: New file. + +2002-01-25 Douglas B Rupp <rupp@gnat.com> + + * config/alpha/x-vms (version): Make static. + + * config/alpha/vms.h (MD_FALLBACK_FRAME_STATE_FOR): Fix error + in previous checkin. + + * Makefile.in (install-headers-cp): New target. + * config.gcc (alpha-dec-*vms*): Install headers with + install-headers-cp + +Fri Jan 25 22:42:49 CET 2002 Jan Hubicka <jh@suse.cz> + + * unroll.c (unroll_loop): Lower final_value to nonmemory operand; + avoid it's copies. + +Fri Jan 25 08:26:19 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * builtins.c (expand_builtin_strncpy): Use integer_zerop instead + of compare_tree_int. + (expand_builtin_strncat): Likewise. + * c-decl.c (finish_struct): Use tree_low_cst. + * tree.h (compare_tree_int): Arg is unsigned HOST_WIDE_INT. + * tree.c (compare_tree_int): Likewise. + +2002-01-25 Ulrich Weigand <uweigand@de.ibm.com> + + * reload1.c (eliminate_regs_in_insn): Recognize frame pointer + adjustments even if they are implemented by more than two insns. + +Fri Jan 25 20:43:56 CET 2002 Jan Hubicka <jh@suse.cz> + + * df.c (df_ref_create, df_ref_record_1, df_ref_record): Kill BB arg. + * df.h (struct ref): Kill B. + (DF_REF_BB, DF_REF_BBNO): Use BLOCK_FOR_INSN. + + * basic-block.h (PROP_EQUAL_NOTES): New flag. + * flow.c (propagate_one_insn): Use it. + (mark_used_regs): Handle NIL. + +2002-01-25 Geoffrey Keating <geoffk@redhat.com> + + * config/stormy16/stormy16.md (tablejump_pcrel): Use a MEM + to help folding. + +2002-01-25 David Edelsohn <edelsohn@gnu.org> + + * rs6000.md (prefetch): Make address V4SI mode so that the address + is restricted to legitimate form for instruction. + +2002-01-25 Bob Wilson <bob.wilson@acm.org> + + * doc/install.texi (xtensa-*-elf): New target. + (xtensa-*-linux*): New target. + * doc/contrib.texi: Add myself. + +2002-01-25 Nick Clifton <nickc@cambridge.redhat.com> + + * config/arm/arm.c (arm_hard_regno_mode_ok): Allow any general + purpose register to hold an SImode (or smaller) value. + +2002-01-25 Jakub Jelinek <jakub@redhat.com> + + * unwind-dw2-fde-glibc.c: If inhibit_libc, use __register_frame* + registry only. + * crtstuff.c: Likewise. + +2002-01-25 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md (negation patterns): Tighten + predicates to register_operand. + +2002-01-24 Aldy Hernandez <aldyh@redhat.com> + + * loop.c (emit_prefetch_instructions): Use the prefetch insn's + mode, not Pmode. + + * builtins.c (expand_builtin_prefetch): Same. + +2002-01-24 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.md (sym_label2reg): Make sure all CONSTs have + modes. + +2002-01-24 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (print_operand): Remove support for + operand character 'A'. + * config/h8300/h8300.md (three anonymous patterns): Replace + operand character 'A' with either 'T' or 'S'. + +2002-01-24 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (print_operand): Remove support for + operand character 'U'. + +2002-01-24 Andris Pavenis <pavenis@latnet.lv> + + * config/i386/t-djgpp: Use NATIVE_SYSTEM_HEADER_DIR. + +2002-01-24 Nick Clifton <nickc@cambridge.redhat.com> + + * config/arm/arm.c (arm_hard_regno_mode_ok): Allow SImode + values to be assigned to the stack pointer. + +2002-01-14 Hartmut Penner <hpenner@de.ibm.com> + + * emit_rtl.c (gen_lowpart_common): Conversion from const_int + to const_double needs to be done right for big-endian systems. + +2002-01-24 Jason Merrill <jason@redhat.com> + + PR c++/2432 + * config/sparc/sparc.md (call-jump peepholes): Pass the right insn + to can_throw_internal. + +2002-01-23 Richard Henderson <rth@redhat.com> + + * fold-const.c (fold): Change UINT_MAX test to check vs precision + rather than TYPE_MAX_VALUE. Fix indentation and a bogus negation. + +2002-01-24 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.md (symGOT_load, sym2GOT, sym2GOTOFF): New expands. + (symGOT2reg): Use them, then set as GOT value as unchanging. + (symGOTOFF2reg): Set REG_EQUAL note. Use a different pseudo + as a temporary, if possible. + (symPLT_label2reg): Enclose (pc) in UNSPEC_PIC. Emit + sym@PLT-(.LPCS#+2-.) instead of sym@PLT+.-(.LPCS#+2). + +2002-01-23 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md: Fix xorqi and xorqi so that they will + accept to accept 0x80 as operands[2]. + +2002-01-24 Alexandre Oliva <aoliva@redhat.com> + + * config/sparc/sparc.md (fix_trunctfdi2): Correct typo in mode. + +2002-01-23 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.md (call_value_osf_1_er peepholes): Fix typo. + +2002-01-23 Aldy Hernandez <aldyh@redhat.com> + + * c-parse.in (parmlist_or_identifiers): Add maybe_attribute. + (parmlist_or_identifiers_1): Verify that only a parmlist follows + an attribute. + +2002-01-23 Richard Henderson <rth@redhat.com> + + * expr.c (move_by_pieces_1): Extend size before negation. + + * config/m68k/t-m68kbare (MULTILIB_OPTIONS): Add 68040 and 68060. + (MULTILIB_MATCHES): Remove 68040 and 68060 aliases. + (MULTILIB_EXCEPTIONS): Ignore 68881 and soft-float for 68040 and 68060. + * config/m68k/t-m68kelf: Likewise. + +2002-01-23 Bob Wilson <bob.wilson@acm.org> + + * config/xtensa/elf.h: New file. + * config/xtensa/lib1funcs.asm: New file. + * config/xtensa/lib2funcs.S: New file. + * config/xtensa/linux.h: New file. + * config/xtensa/t-xtensa: New file. + * config/xtensa/xtensa-config.h: New file. + * config/xtensa/xtensa-protos.h: New file. + * config/xtensa/xtensa.c: New file. + * config/xtensa/xtensa.h: New file. + * config/xtensa/xtensa.md: New file. + * config.gcc (xtensa-*-elf*): New target. + (xtensa-*-linux*): New target. + * cse.c (canon_hash): Compare rtx pointers instead of register + numbers. This is required for the Xtensa port. + * integrate.c (copy_insn_list): Handle case where the static + chain is in memory and the memory address has to be copied to + a register. + * doc/invoke.texi (Option Summary): Add Xtensa options. + (Xtensa Options): New node. + * doc/md.texi (Machine Constraints): Add Xtensa machine constraints. + +2002-01-23 Zack Weinberg <zack@codesourcery.com> + + * diagnostic.c (internal_error): Do ICE suppression only + when ENABLE_CHECKING is not defined. + + * c-typeck.c (require_complete_type): Return error_mark_node + if type is error_mark_node. + +2002-01-23 Janis Johnson <janis187@us.ibm.com> + + * toplev.c (process_options): Disable -fprefetch-loop-arrays with + -Os and issue a warning. + +2002-01-23 Zack Weinberg <zack@codesourcery.com> + + * doc/fragments.texi, doc/hostconfig.texi: Update to reflect + current (lack of) need for host configuration by hand. + + * doc/gccint.texi, doc/rtl.texi, doc/tm.texi: Adjust cross + references. Documentation of some target macros moved from + hostconfig.texi to tm.texi. + +2002-01-23 Will Cohen <wcohen@redhat.com> + + * config/arm/arm.h (THUMB_FUNCTION_PROFILER): Define if not currently + defined. + +2002-01-23 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md (*andorhi3): Accept 0x8000 as an + operand[3]. + +2002-01-23 Jason Merrill <jason@redhat.com> + + * tree.c (build1): Don't set TREE_READONLY on INDIRECT_REF. + + * function.c (assign_parms): Don't put args of inline functions + into registers when not optimizing. + +2002-01-23 Nick Clifton <nickc@cambridge.redhat.com> + + * config/arm/arm.md (UNSPEC_PROLOGUE_USE): New unspec constant. + (prologue_use): New pattern. + * config/arm/arm.c (expand_prologue): Use gen_prologue_use in + preference to gen_rtx_USE. + (thumb_expand_prologue): Use gen_prologue_use in preference to + gen_rtx_USE. + (thumb_expand_epilogue): Use gen_prologue_use in preference to + gen_rtx_USE. + +2002-01-23 Hans-Peter Nilsson <hp@bitrange.com> + + * loop.c [!HAVE_prefetch] (CODE_FOR_prefetch): Define to 0. + +2002-01-23 Neil Booth <neil@daikokuya.demon.co.uk> + + PR c/3504 + * doc/extend.texi: Correct documentation of __alignof__. + +2002-01-22 Zack Weinberg <zack@codesourcery.com> + + * params.h: Rename arguments of DEFPARAM so that it will be + recognized as a translation keyword. + +2002-01-22 Aldy Hernandez <aldyh@redhat.com> + + * extend.texi: Document altivec functions. + Fix N-bit adjectives in X86 builtin documentation. + +2002-01-22 Alexandre Oliva <aoliva@redhat.com> + + * reload.c (reg_overlap_mentioned_for_reload_p): Handle PLUS and + auto_inc_dec values. + +2002-01-22 Richard Earnshaw <rearnsha@arm.com> + + * config/netbsd-aout.h (SWITCH_TAKES_ARG): Remove bogus white space + after backslash. + (ASM_DECLARE_OBJECT_NAME): Add missing backslash before final line. + +2002-01-22 Alexandre Oliva <aoliva@redhat.com> + + * config/i386/freebsd-aout.h (ASM_QUAD): Undefine. + +2002-01-22 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (split_small_symbolic_mem_operand): Use + copy_insn not copy_rtx. + +2002-01-23 Alan Modra <amodra@bigpond.net.au> + + * combine.c (simplify_and_const_int): Don't trunc_int_for_mode + "nonzero" as that might add "1" bits. Ensure "constop" is + properly sign extened. + (force_to_mode): Tweak for sign extended constop. + +2002-01-22 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (some_small_symbolic_mem_operand) Use + for_each_rtx instead of assuming we're already looking at the MEM. + (split_small_symbolic_mem_operand): Likewise. + * config/alpha/alpha.h (PREDICATE_CODES): Update. + * config/alpha/alpha.md (small symbolic memory splitters): Update. + +2002-01-22 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.md (divmodsi_internal_er): Generate lituse + sequence number for the literal. + (divmoddi_internal_er): Likewise. + +2002-01-22 Craig Rodrigues <rodrigc@gcc.gnu.org> + + PR java/4972 + * aclocal.m4 (AM_ICONV): Put linking flags for libiconv + in LIBICONV variable. + * configure: Regenerated. + +2002-01-22 Krister Walfridsson <cato@df.lth.se> + + * dependence.c (build_def_use): Remove array_idx. + + * dwarfout.c (last_filename): Remove. + (output_compile_unit_die): Remove last_filename. + +2002-01-22 Roger Sayle <roger@eyesopen.com> + Richard Henderson <rth@redhat.com> + + PR opt/3640 + * fold-const.c (fold): Optimize unsigned comparisons against + UINT_MAX (and similar unsigned constants). + +2002-01-22 Janis Johnson <janis187@us.ibm.com> + + * Makefile.in (loop.o): Depend on OPTABS_H. + * loop.c (emit_prefetch_instructions): Check the prefetch operand + against the predicate. + + PR target/5379 + * config/i386/i386.md (prefetch_sse): Specify "p" as a constraint + for the address operand. + +2002-01-22 Richard Henderson <rth@redhat.com> + + * config/alpha/freebsd.h (FUNCTION_PROFILER): Remove. + +2002-01-22 Craig Rodrigues <rodrigc@gcc.gnu.org> + + PR other/5450 + * config/i386/sysv4.h (CPP_SPEC): Define, and add CPU + preprocessor flags. + +2002-01-22 Jason Thorpe <thorpej@wasabisystems.com> + + * config.gcc (x86_64-*-netbsd*): New target. + * config/i386/netbsd64.h: New file. + +2002-01-22 Aldy Hernandez <aldyh@redhat.com> + + * regrename.c (kill_value): Fix typo. + +2002-01-22 Aldy Hernandez <aldyh@redhat.com> + + * doc/tm.texi: Remove STARTING_FRAME_PHASE. + + * config/rs6000/rs6000.h: Same. + + * function.c (instantiate_virtual_regs): Remove + STARTING_FRAME_PHASE. + (assign_stack_local_1): Same. + Calculate frame phase. + +2002-01-22 Nick Clifton <nickc@redhat.com> + + * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Move 'regno' + variable declaration to outer scope in order to simplify + future extensions. + (HARD_REGNO_MODE_OK): Replace macro body with a with a call to + arm_hard_regno_mode_ok. + * config/arm/arm-protos.h: Add a prototype for + arm_hard_regno_mode_ok. + * config/arm/arm.c (soft_df_operand): Remove now redundant + check for DImode values using IP_REGNUM. + (nonimmediate_soft_df_operand): Remove now redundant check for + DImode values using IP_REGNUM. + (arm_hard_regno_mode_ok): New function. New check: make sure + that DImode values are not stored in IP_REGNUM. + + * config/arm/arm.c (arm_expand_prologue): Replace REG_MAYBE_DEAD + note with a USE. + (thumb_expand_prologue): Replace REG_MAYBE_DEAD note with a USE. + +2002-01-22 Jason Merrill <jason@redhat.com> + + * c-semantics.c (genrtl_compound_stmt): Only check nesting + consistency if this COMPOUND_STMT is scoped. + +2002-01-22 Kazu Hirata <kazu@hxi.com> + + * predict.c: Fix formatting. + * print-tree.c: Likewise. + * protoize.c: Likewise. + * real.h: Likewise. + * rtl.h: Likewise. + * sbitmap.h: Likewise. + * scan.c: Likewise. + * sched-deps.c: Likewise. + * sched-vis.c: Likewise. + * sdbout.c: Likewise. + * sibcall.c: Likewise. + * ssa.c: Likewise. + * ssa-ccp.c: Likewise. + * ssa-dce.c: Likewise. + * stmt.c: Likewise. + * stor-layout.c: Likewise. + * system.h: Likewise. + +Tue Jan 22 06:26:33 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * tree.c (int_fits_type_p): If bounds of a subtype are variable, see + if fits in bounds of base type. + + * dwarf2out.c (equate_decl_number_to_die): Add "int" to decls. + (loc_descriptor_from_tree, case CALL_EXPR, case ADDR_EXPR): New. + (add_bound_info, default): If can't find a context, make a + SAVE_EXPR. + (dwarf2out_finish): Check for SAVE_EXPR in node->created_for. + +2002-01-22 Hans-Peter Nilsson <hp@axis.com> + + * c-typeck.c (parser_build_binary_op): If result from + build_binary_op is ERROR_MARK just return error_mark_node without + further processing. + +2002-01-21 Jason Thorpe <thorpej@wasabisystems.com> + + * config/netbsd.h (TARGET_HAS_F_SETLKW): define. + Split a.out-specific bits into... + * config/netbsd-aout.h: ...this. + * config/netbsd-elf.h: New file. + * config/alpha/netbsd-elf.h: Remove. + * config/alpha/netbsd.h: Rewrite for a NetBSD/alpha ELF target. + * config/i386/netbsd-elf.h (LIB_SPEC): Remove. + (STARTFILE_SPEC): Remove redundant definition. + (ENDFILE_SPEC): Likewise. + (LINK_SPEC): Likewise. + (CPP_SPEC): Likewise. + (ASM_SPEC): Likewise. + (LIB_SPEC): Likewise. + (SWITCH_TAKES_ARG): Likewise. + (TARGET_MEM_FUNCTIONS): Likewise. + (CPP_PREDEFINES): Redefine. + (ASM_FINAL_SPEC): Remove redefinition. + (ASM_COMMENT_START): Redefine. + (FUNCTION_PROFILER): Define. + (TARGET_VERSION): Redefine. + Comment and formatting cleanup. + * config/i386/netbsd.h: Include <netbsd-aout.h>. + * config/m68k/netbsd.h: Include <netbsd-aout.h>. + * config/mips/netbsd.h: Rewrite for NetBSD/mips ELF target, + big- or little-endian. + * config/ns32k/netbsd.h: Include <netbsd-aout.h>. + * config.gcc (*-*-netbsd*): Add definitions common to all + NetBSD configs. + (alpha*-*-netbsd*): Remove redundant xm_defines, gas, and + gnu_ld definitions. Add netbsd-elf.h to and remove + alpha/netbsd-elf.h from tm_file. Remove alpha/t-crtfm from + tmake_file, and don't lose previous tmake_file contents. + (arm*-*-netbsd*): Add netbsd-aout.h to tm_file. + (i[34567]86-*-netbsdelf*): Remove redundant xm_defines, gas, and + gnu_ld definitions. Add netbsd-elf.h to tm_file. + (mips-dec-netbsd*): Remove as alias for mipsel-*-netbsd*. + (mipsel-*-netbsd*): Rename this to... + (mips*-*-netbsd*): ...this. Add elfos.h to tm_file. Add + mips/little.h to tm_file for mips*el-*. + (powerpc-*-netbsd*): Remove redundant xm_defines definition. + (sparc-*-netbsd*): Add netbsd-aout.h to tm_file. + (vax-*-netbsd*): Add netbsd-aout.h to tm_file. + +2002-01-21 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa-protos.h (reg_before_reload_operand): New function prototype. + * pa.c (reg_before_reload_operand): New function implementation. + * pa.md (decrement_and_branch_until_zero, movb): Use it. Change "!*m" + contraints to "*m". + +2002-01-21 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * combine.c (simplify_and_const_int): Properly sign-extend CONSTOP. + +2002-01-21 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa64-hpux.h (MD_EXEC_PREFIX): Set to "/usr/ccs/bin". + (MD_STARTFILE_PREFIX): Set to "/usr/ccs/lib/pa20_64/". + (MD_STARTFILE_PREFIX_1): Set to "/opt/langtools/lib/pa20_64/". + (EH_FRAME_IN_DATA_SECTION): Define and update comment on init sections. + (ENDFILE_SPEC): Undefine. + (STARTFILE_SPEC): Redefine for PA. + +2002-01-21 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * config/rs6000/t-ppccomm (CRTSTUFF_T_CFLAGS_S): Re-add -fPIC. + +2002-01-21 Daniel Jacobowitz <drow@mvista.com> + + * config.gcc: Add entries to supported PowerPC --with-cpu + types. + +2002-01-21 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.c (ix86_function_arg_regno_p): Never return + true for 64-bit mode only SSE registers in 32-bit mode. + +2002-01-21 Kazu Hirata <kazu@hxi.com> + + * unwind-dw2.c: Fix formatting. + * unwind-dw2-fde.c: Likewise. + * unwind-dw2-fde.h: Likewise. + * unwind-pe.h: Likewise. + * varasm.c: Likewise. + * varray.h: Likewise. + +2002-01-21 Hans-Peter Nilsson <hp@bitrange.com> + + Remove workaround for register stack overwrite bug in mmix. + * config/mmix/mmix.c (mmix_target_asm_function_prologue): Remove + support for TARGET_REG_STACK_FILL_BUG. + * config/mmix/mmix.h: Remove member has_call_without_parameters. + (TARGET_MASK_REG_STACK_FILL_BUG, TARGET_REG_STACK_FILL_BUG): + Delete. + (TARGET_DEFAULT): Remove TARGET_MASK_REG_STACK_FILL_BUG. + (TARGET_SWITCHES): Remove -mreg-stack-fill-bug-workaround and + -mno-reg-stack-fill-bug-workaround. + * config/mmix/mmix.md ("call", "call_value"): Don't set struct + machine member has_call_without_parameters. + * doc/invoke.texi (Option Summary) <MMIX Options>: Remove + -mreg-stack-fill-bug-workaround and + -mno-reg-stack-fill-bug-workaround. + (MMIX Options): Ditto. + +2002-01-21 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (function_arg): Replace 0 with NULL_RTX + as appropriate. + Remove redundant code. + +2002-01-21 Joseph S. Myers <jsm28@cam.ac.uk> + + * config/alpha/alpha.h, config/arc/arc.h, config/avr/avr.h, + config/c4x/c4x.h, config/d30v/d30v.h, config/dsp16xx/dsp16xx.h, + config/fr30/fr30.h, config/ia64/ia64.h, config/m68hc11/m68hc11.h, + config/mips/mips.h, config/rs6000/rs6000.h, config/sparc/sparc.h, + config/stormy16/stormy16.h, config/v850/v850.h: Remove commented + out target macro definitions and non-target-specific comments + mostly taken from old versions of the manual. + +2002-01-20 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.h: Fix comment formatting. + * config/ia64/aix.h: Likewise. + * config/ia64/ia64-protos.h: Likewise. + * config/ia64/ia64.c: Likewise. + * config/ia64/ia64.h: Likewise. + * config/ia64/ia64intrin.h: Likewise. + * config/ia64/linux.h: Likewise. + * config/ia64/unwind-aix.c: Likewise. + * config/ia64/unwind-ia64.c: Likewise. + +2002-01-20 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c: Revise comments about shift code. + +2002-01-20 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (function_arg): Update a comment. + +2002-01-20 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md: Update the comments at the beginning + of the file. + +2002-01-20 Kazu Hirata <kazu@hxi.com> + + * config/i370/i370.c: Fix comment formatting. + * config/i370/i370.h: Likewise. + * config/i370/i370.md: Likewise. + * config/i370/linux.h: Likewise. + +Sun Jan 20 18:40:14 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * reg-stack.c (subst_stack_regs): Properly check for deleted insn. + + * dwarf2out.c (loc_descriptor_from_tree): Add TRUTH_*_EXPR cases. + (gen_struct_or_union_type_die): Don't SIGSEGV if no TYPE_STUB_DECL + in incomplete case. + +2002-01-20 Graham Stott <grahams@redhat.com> + + * cfgloop.c (flow_loop_preheader_scan): Fix typo. + +2002-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * config.gcc (hppa*64*-*-hpux11*): Fix tmake_file. + +2002-01-19 Tom Rix <trix@redhat.com> + + * config/rs6000/rs6000.md: Fix DF split for 64 bit hosts. + +2002-01-18 Aldy Hernandez <aldyh@redhat.com> + + * doc/tm.texi (STARTING_FRAME_PHASE): Document. + + * function.c (assign_stack_local_1): Adjust x_frame_offset with + STARTING_FRAME_PHASE. + (STARTING_FRAME_PHASE): New. + (instantiate_virtual_regs): Check saneness of + STARTING_FRAME_PHASE. + + * config/rs6000/rs6000.h (STARTING_FRAME_PHASE): New. + +2002-01-19 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.md (movdf_i4 split): Fix alter_subreg calls. + +2002-01-18 Craig Rodrigues <rodrigc@gcc.gnu.org> + + * doc/install.texi (hppa*-hp-hpux11): Clarify that GCC 2.95.x cannot + be used for bootstrapping GCC 3.0. + +2002-01-18 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md: Fix an insn length. + +2002-01-18 Kazu Hirata <kazu@hxi.com> + + * bitmap.h: Fix comment formatting. + * combine.c: Likewise. + * cppfiles.c: Likewise. + * c-pragma.h: Likewise. + * c-typeck.c: Likewise. + * df.c: Likewise. + * dwarf2out.c: Likewise. + * function.c: Likewise. + * gcc.c: Likewise. + * genattrtab.c: Likewise. + * gthr-win32.h: Likewise. + * haifa-sched.c: Likewise. + * predict.c: Likewise. + * rtlanal.c: Likewise. + * rtl.h: Likewise. + * unwind-dw2-fde.h: Likewise. + * unwind-pe.h: Likewise. + * vmsdbgout.c: Likewise. + +Thu Jan 17 15:28:26 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * attribs.c (decl_attributes): Clear ATTR_FLAG_TYPE_IN_PLACE + if type_required and passed decl. + +2002-01-17 Aldy Hernandez <aldyh@redhat.com> + + * config.gcc (cpu_type): Include altivec.h in powerpc + extra_headers. + Same for darwin. + + * config/rs6000/altivec.h: New. + +2002-01-17 David Edelsohn <edelsohn@gnu.org> + + * doc/install.texi (*-ibm-aix*): Update assembler and exception + handling information. + * doc/trouble.texi (Interoperation): Add libstdc++ information + for AIX. + (Misunderstandings): Add template instantiation and static template + member information for AIX. + +2002-01-17 Jason Merrill <jason@redhat.com> + + * dbxout.c (dbxout_type): Support const and volatile. + + * except.c (add_partial_entry): Remove backwards compatibility code. + (end_protect_partials): Likewise. + +2002-01-17 Jakub Jelinek <jakub@redhat.com> + + * config/ia64/ia64.md (prologue_use): New. + * config/ia64/ia64.c (ia64_expand_prologue): Use + gen_prologue_use instead of gen_rtx_USE. + (group_barrier_needed_p): Handle CODE_FOR_prologue_use the same way + as CODE_FOR_pred_rel_mutex. + (ia64_sched_reorder2): Likewise. + +2002-01-16 Eric Christopher <echristo@redhat.com> + + * config/mips/r3900.h: Reformat. + (SUBTARGET_CPP_SIZE_SPEC): Remove. + * config/mips/isa3264.h (SUBTARGET_CPP_SIZE_SPEC): Ditto. + * config/mips/mips.h (ABI_GAS_ASM_SPEC): Default to "". + (SUBTARGET_CPP_SIZE_SPEC): Rewrite. + * config/mips/t-elf: Remove mips3 multilib. + +2002-01-16 H.J. Lu <hjl@gnu.org> + + * config/mips/linux.h: Include "mips/abi64.h". + +2002-01-16 H.J. Lu <hjl@gnu.org> + + * config/mips/t-linux: New. + + * config.gcc: Add mips/t-linux to tmake_file for mips*-*-linux*. + + * config/mips/linux.h: Don't include "gofast.h". + (INIT_SUBTARGET_OPTABS): Removed. + +2002-01-16 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300-protos.h: Replace emit_a_shift with + output_a_shift. + * config/h8300/h8300.c: Likewise. + * config/h8300/h8300.md: Likewise. + +2002-01-16 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md (pushqi1_h8300): Use a tab instead of + spaces after an opcode name. + (pushqi1_h8300hs): Likewise. + (pushhi1_h8300hs): Likewise. + +2002-01-16 Kazu Hirata <kazu@hxi.com> + + * doc/extend.texi: Replace "option" with "attribute" + appropriately. + +2002-01-16 Jakub Jelinek <jakub@redhat.com> + + * config/alpha/alpha.c (some_small_symbolic_mem_operand): Look into + (and:DI () (const_int -8)). + (split_small_symbolic_mem_operand): Split + (mem (and:DI () (const_int -8)). + +2002-01-16 Jakub Jelinek <jakub@redhat.com> + + PR target/5309: + * config/sparc/sparc.c (ultrasparc_adjust_cost): Handle TYPE_IDIV the + same way as TYPE_IMUL. + (ultrasparc_sched_reorder): Likewise. + * config/sparc/sparc.md (type): Add comment to update + ultrasparc_sched_reorder when making changes. + +2002-01-16 Kazu Hirata <kazu@hxi.com> + + * doc/invoke.texi: Change the dump file name of block + reordering pass from 28.bbro to 29.bbro. + Mention -dk option. + +Wed Jan 16 17:54:22 CET 2002 Jan Hubicka <jh@suse.cz> + + * i386.md (minsf splitter): Fix pasto. + +2002-01-16 Nick Clifton <nickc@cambridge.redhat.com> + + * config/arm/arm.c (arm_expand_prologue): Add REG_MAYBE_DEAD note + to frame pointer initialisation instruction. + (thumb_expand_prologue): Add REG_MAYBE_DEAD note to frame pointer + initialisation instruction. + (soft_df_operand): Do not accept the IP register. + (nonimmediate_soft_df_operand): Do not accept the IP register. + +2002-01-16 Jakub Jelinek <jakub@redhat.com> + + PR target/5357: + * config/sparc/sparc.c (sparc_override_options): Avoid MASK_V9 and + MASK_V8 being both set. + +2002-01-16 Ulrich Weigand <uweigand@de.ibm.com> + + * config/s390/s390.c (s390_emit_prologue): Do not emit USE + insn for GOT register; add REG_MAYBE_DEAD notes instead. + config/s390/s390.md (call, call_value): Add GOT register to + CALL_INSN_FUNCTION_USAGE where needed. + (call_exp, call_value_exp): New. + +2002-01-16 Nick Clifton <nickc@cambridge.redhat.com> + + * config/arm/arm.c: General formatting tidy up. + +2002-01-16 Graham Stott <grahams@redhat.com> + + * calls.c (try_to_integrate): Use "(size_t)" intermediate + cast and when casting an integer literal to "rtx" pointer. + (expand_call): Likewise. + * flow.c (try_pre_increment): Likewise. + (find_use_as_address): Likewise. + * integrate.c (expand_iline_function): Likewise. + * regmove.c (try_auto_increment): Likewise. + +2002-01-16 Graham Stott <grahams@redhat.com> + + * sched-rgn.c (passed): Use sbitmap_free. + (header): Likewise. + (inner): Likewise. + (in_queue): Likewise. + (in_stack): Likewise. + +2002-01-15 Eric Christopher <echristo@redhat.com> + + * flow.c (propagate_one_insn): Change to use fatal_insn. + +2002-01-15 Kazu Hirata <kazu@hxi.com> + + * expmed.c (extract_fixed_bit_field): Remove unused code. + * system.h: Poison SLOW_ZERO_EXTEND. + * doc/tm.texi: Remove. + * config/1750a/1750a.h (SLOW_ZERO_EXTEND): Remove. + * config/arm/arm.h: Likewise. + * config/avr/avr.h: Likewise. + * config/clipper/clipper.h: Likewise. + * config/convex/convex.h: Likewise. + * config/d30v/d30v.h: Likewise. + * config/dsp16xx/dsp16xx.h: Likewise. + * config/elxsi/elxsi.h: Likewise. + * config/fr30/fr30.h: Likewise. + * config/h8300/h8300.h: Likewise. + * config/i370/i370.h: Likewise. + * config/i386/i386.h: Likewise. + * config/m68k/m68k.h: Likewise. + * config/mips/mips.h: Likewise. + * config/ns32k/ns32k.h: Likewise. + * config/pdp11/pdp11.h: Likewise. + * config/pj/pj.h: Likewise. + * config/s390/s390.h: Likewise. + * config/sh/sh.h: Likewise. + * config/stormy16/stormy16.h: Likewise. + * config/v850/v850.h: Likewise. + * config/vax/vax.h: Likewise. + * config/we32k/we32k.h: Likewise. + +2002-01-15 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.md (altivec_stvx): Add parallels to stvx. + (altivec_lvsl): Change constraint to b. + (altivec_lvsr): Same. + (altivec_lvebx): Same. + (altivec_lvehx): Same. + (altivec_lvewx): Same. + (altivec_lvxl): Same. + (altivec_lvx): Same. + (altivec_stvx): Add parallel. + (altivec_stvxl): Same. + (altivec_stvehx): Same. + (altivec_stvebx): Same. + (altivec_stvebx): Same. + +2002-01-15 Aldy Hernandez <aldyh@redhat.com> + + * config.gcc: Change altivec.h to altivec-defs.h. + + * config/rs6000/altivec.h: Delete. + + * config/rs6000/altivec-defs.h: Add. + +2002-01-15 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * vax.c (vax_rtx_cost): Return MAX_COST for unsupported MULT, UDIV + and UMOD modes. + + * vax.h (INDEX_TERM_P): Restrict indexing to modes which have a size + less than or equal to eight bytes. + + * vax.md (andsi3): Remove constraints and change SET destination + operand type to nonimmediate_operand. + (andhi3, andqi3): Likewise. Don't clear high order bits of operand 1 + when it is a CONST_INT. + +2002-01-15 Jason Merrill <jason@redhat.com> + + * c-common.def (FILE_STMT): New code. + * c-common.c (statement_code_p): It's a statement. + * c-common.h (stmt_tree_s): Add x_last_filename. + (FILE_STMT_FILENAME_NODE, FILE_STMT_FILENAME): New macros. + (last_expr_filename): New macro. + * c-semantics.c (begin_stmt_tree): Initialize it. + (add_stmt): If the filename changed, also insert a + FILE_STMT. + (expand_stmt): Handle seeing one. + +2002-01-15 Eric Christopher <echristo@redhat.com> + + * flow.c (propagate_one_insn): Add error message and print out + insn for debugging. + +2002-01-15 Joseph S. Myers <jsm28@cam.ac.uk> + + * system.h (ASM_IDENTIFY_GCC, STDC_VALUE, TRAMPOLINE_ALIGN, + ASM_IDENTIFY_GCC_AFTER_SOURCE): Poison. + * config/pdp11/pdp11.h (TRAMPOLINE_ALIGN): Rename to + TRAMPOLINE_ALIGNMENT. + * config/arm/arm.h, config/mcore/mcore.h: Likewise. Change value + to be in bits. + * config/i386/cygwin.h (PCC_BITFIELDS_TYPE_MATTERS): Rename to + PCC_BITFIELD_TYPE_MATTERS. + * config/interix.h (STDC_VALUE): Remove. Use + STDC_0_IN_SYSTEM_HEADERS. + * config/darwin.h (ASM_IDENTIFY_GCC), config/dsp16xx/dsp16xx.h + (ASM_IDENTIFY_GCC), config/stormy16/stormy16.h (ASM_IDENTIFY_GCC, + ASM_IDENTIFY_GCC_AFTER_SOURCE): Remove. + +2002-01-15 Craig Rodrigues <rodrigc@gcc.gnu.org> + + * doc/install.texi (hppa*-hp-hpux11): --enable-threads does + not work on this platform currently. + +2002-01-15 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-typeck.c (build_unary_op): Don't wrap msgid argument of + readonly_warning in _(). + +2002-01-15 Douglas B Rupp <rupp@gnat.com> + + * gcc.c (delete_if_ordinary): Backout previous change. + +2002-01-15 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (print_operand): Remove support for + unused operand characters. + + * read-rtl.c: Fix formatting. + * real.c: Likewise. + * recog.c: Likewise. + * regclass.c: Likewise. + * regmove.c: Likewise. + * reg-stack.c: Likewise. + * reload1.c: Likewise. + * rtlanal.c: Likewise. + +2002-01-15 Kazu Hirata <kazu@hxi.com> + + * config/i386/i386.c: Fix formatting. + +2002-01-15 Jakub Jelinek <jakub@redhat.com> + + * c-typeck.c (process_init_element): Don't save_expr + COMPOUND_LITERAL_EXPR if just its initializer will be used. + +2002-01-15 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Do not + emit optional traceback table if optimize_size or TARGET_ELF. + * config/rs6000/rs6000.md (prefetch): New. + +2002-01-15 Andreas Jaeger <aj@suse.de> + + * config.gcc (x86_64-*-*): Install mmintrin.h and xmmintrin.h. + +2002-01-15 Kazu Hirata <kazu@hxi.com> + + * mips-tfile.c: Fix formatting. + +Tue Jan 15 00:56:11 CET 2002 Jan Hubicka <jh@suse.cz> + + * unroll.c (final_reg_note_copy): Fix previous commit. + +2002-01-14 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300-protos.h: Remove the prototype for + eq_operator. + * config/h8300/h8300.c (eq_operator): Remove. + +2002-01-14 Richard Henderson <rth@redhat.com> + + * config/i386/i386.md (prefetch): Tidy. + (prefetch_3dnow): Fix locality operand. + +2002-01-14 Richard Henderson <rth@redhat.com> + + * config/mips/mips.h (HI_AND_FP_REGS): New register class. + (CLASS_CANNOT_CHANGE_MODE): Disallow HI in little-endian mode. + +2002-01-14 Hans-Peter Nilsson <hp@bitrange.com> + + * reload1.c (reload_combine): Pass reg_sum replacement through + copy_rtx in loop performing multiple changes. + +2002-01-14 Jakub Jelinek <jakub@redhat.com> + + * except.c (remove_unreachable_regions): New. + (free_eh_status): Clear exception_handler_labels. + (convert_from_eh_region_ranges): Call remove_unreachable_regions. + (find_exception_handler_labels): Don't add the same label more than + once. + (remove_exception_handler_label): Don't die if + find_exception_handler_labels hasn't been called for the current + function yet. + +Mon Jan 14 21:26:13 CET 2002 Jan Hubicka <jh@suse.cz> + + * toplev.c (rest_of_compilation): Rebuild jump labels after + gcse. + +2002-01-14 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/extend.texi: Move documentation of X86 built-in functions + here. + * doc/invoke.texi: From here. + * doc/sourcebuild.texi: Document location of documentation for + machine built-in functions. + +2002-01-13 Christopher Faylor <cgf@redhat.com> + + * cppfiles.c (TEST_THRESHOLD): New macro. + (SHOULD_MMAP): Ditto. + (read_include_file): Use SHOULD_MMAP macro to decide when mmap should + be used. + +Mon Jan 14 20:23:34 CET 2002 Jan Hubicka <jh@suse.cz> + + * unroll.c (final_reg_note_copy): Properly handle + REG_LABEL + (unroll_loops): Fix LOOP_CONDITION heuristics. + +2002-01-14 Geoffrey Keating <geoffk@redhat.com> + + * doc/invoke.texi (Xstormy16 Options): Add xstormy16 option. + * doc/md.texi (Machine Constraints): Use @minus{} where appropriate. + +Mon Jan 14 20:18:19 CET 2002 Jan Hubicka <jh@suse.cz> + + * cfgcleanup.c (try_forward_edges): Avoid infinite loop at infinite + threaded loop. + +2002-01-14 Tom Rix <trix@redhat.com> + + * config/rs6000/rs6000.md: Fix typo with sradi. + +2002-01-14 Ulrich Weigand <uweigand@de.ibm.com> + + * config/s390/s390.md (movstrdix_64, movstrsix_31, movstrdi_64, + movstrsi_31, clrstrsi_64, clrstrsi_31): Improve RTL templates. + (clrstrdi, clrstrsi): Adapt callers. + + (extendsidi2, zero_extendsidi2): Remove no-conflict blocks. + + (movti splitter): Never use register 0 as base register. + +2002-01-14 Hartmut Penner <hpenner@de.ibm.com> + + * combine.c (simplify_shift_const): Always generate new rtx + for shift expression instead of reusing given expression. + +Mon Jan 14 07:08:55 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/alpha/alpha.c (alpha_expand_mov): Don't call + alpha_legitimize_address unless mode is Pmode. + +2002-01-13 Geoffrey Keating <geoffk@redhat.com> + + * doc/md.texi (Modifiers): Document the '*' constraint for the + user. + + * doc/md.texi (Machine Constraints): Add constraints for xstormy16. + * doc/extend.texi (Function Attributes): 'interrupt' is valid + for xstormy16 too. + +2002-01-13 Richard Henderson <rth@redhat.com> + + * reload.c (find_reloads): Use a hard reg destination as reload reg + for an input reload of the source. + +2002-01-13 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/install.texi (Binaries): Make link to ftp.writtenword.com + more generic. + +Sun Jan 13 07:23:01 2002 Douglas B Rupp <rupp@gnat.com> + + * Makefile.in (LIB2FUNCS): Split into LIB2FUNCS_1 and LIB2FUNCS_2. + * mklibgcc.in (LIB2FUNCS): Split into LIB2FUNCS_1 and LIB2FUNCS_2. + + * config/alpha/x-vms (USE_COLLECT2): Set to empty. + +Sun Jan 13 06:55:31 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * dwarf2out.c (mem_loc_descriptor, case ADDRESSOF): New case. + +2002-01-12 Tom Rix <trix@redhat.com> + + * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Use ior for + TARGET_POWERPC64. + +2002-01-12 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (bdesc_2arg): Mark psadbw MASK_3DNOW_A. + + * doc/invoke.texi: Update Alpha options. + + * doc/invoke.texi: Update i386 built-in function lists. + +Sat Jan 12 17:38:11 CET 2002 Jan Hubicka <jh@suse.cz> + + * unroll.c (final_reg_note_copy): Avoid crash on REG_LABEL note + referencing outside. + +Sat Jan 12 08:54:51 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * diagnostic.c (warn_deprecated_use): Rework to lower indentation. + * expr.c (emit_move_insn_1): Remove warning, use HOST_WIDE_INT for + offsets, and change line folding. + * optabs.c (expand_binop): Remove warnings. + * sdbout.c (sdbout_record_type_name): Constify NAME to avoid warning. + +2002-01-12 Graham Stott <grahams@redhat.com> + + * attribs.c (handle_deprecated_attribute): constify WHAT. + * diagnostic.c (warn_deprecated_use): Add braces, fixes + dangling else warning and constify WHAT. + * except.h (struct function, struct inline_remap): Move + struct tag forward defs before all prototypes. + (duplicate_eh_regions): Whitespace. + +2002-01-12 Nick Clifton <nickc@cambridge.redhat.com> + + * config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use + MODE_BASE_REG_CLASS. + (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Use MODE_BASE_REG_CLASS. + +2002-01-12 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (override_options): If SSE, enable sse prefetch. + (ix86_expand_vector_move): New. + (bdesc_2arg): Remove andps, andnps, orps, xorps. + (ix86_init_mmx_sse_builtins): Make static. Remove composite builtins. + Remove old prefetch builtins. Special case the logicals removed above. + (ix86_expand_builtin): Likewise. + (safe_vector_operand): Use V4SFmode, not TImode. + (ix86_expand_store_builtin): Remove shuffle arg. Update callers. + (ix86_expand_timode_binop_builtin): New. + * config/i386/i386-protos.h: Update. + * config/i386/i386.h (enum ix86_builtins): Update. + * config/i386/i386.md: Correct predicates on MMX/SSE patterns. + Use ix86_expand_vector_move in vector move expanders. + (movti_internal, movti_rex64): Add xorps alternative. + (sse_clrv4sf): Rename and adjust from sse_clrti. + (prefetch): Don't work so hard. + (prefetch_sse, prefetch_3dnow): Use PREFETCH rtx, not UNSPEC. + * config/i386/xmmintrin.h (__m128): Use V4SFmode. + (_mm_getcsr, _mm_setcsr): Fix typo in builtin name. + +2002-01-11 Richard Henderson <rth@redhat.com> + + * config/i386/mmintrin.h: New file. + * config/i386/xmmintrin.h: New file. + * config.gcc (i?86-*-*): Add extra_headers. + * simplify-rtx.c (simplify_unary_operation): Handle saturating + truncation codes. + (simplify_binary_operation): Handle saturating arithmetic codes. + * config/i386/i386.c (ix86_expand_sse_comi): Return the full result, + not the lowpart subreg. + (ix86_expand_builtin): Return a TImode dummy register instead of 0 + on error. + * config/i386/i386.md (mmx_clrdi): Override memory attribute. + +2002-01-12 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * conflict.c (conflict_graph_compute): Free regsets when finished. + * ssa.c (compute_coalesced_reg_partition): Likewise. + +2002-01-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * global.c (find_reg): Check for HARD_REGNO_CALL_PART_CLOBBERED + every where we allocate a register. + +2002-01-12 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * gcse.c (compute_pre_data, pre_gcse): Use sbitmap_free. + * lcm.c (compute_earliest, compute_farthest): Likewise. + +2002-01-11 Janis Johnson <janis187@us.ibm.com> + + * expr.c (expand_assignment): Fix misuse of MEM_KEEP_ALIAS_SET. + +2002-01-11 Janis Johnson <janis187@us.ibm.com> + + * doc/rtl.texi (Insns): Fix 2 typos. + +2002-01-11 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/invoke.texi: Avoid overfull hboxes. Add summary of D30V + options. Use @table @gcctabopt for MMIX options. Add index + entries for MMIX options. Start new paragraph with first + heading of the machine-dependent options. + +2002-01-11 Craig Rodrigues <rodrigc@gcc.gnu.org> + + PR other/5299 + * config/ns32k/ns32k.md: Fix spelling mistake of "than" in comments. + * combine.c (force_to_mode): Same. + * reload1.c (clear_reload_reg_in_use): Same. + +2002-01-11 Nick Clifton <nickc@cambridge.redhat.com> + + * config/arm/arm.c (arm_gen_constant): Correct test of 'remainder' + and 'subtargets'. + +2002-01-11 Andreas Jaeger <aj@suse.de>, + Brad Lucier <lucier@math.purdue.edu> + + * config/i386/i386.h (CPP_CPUCOMMON_SPEC): Remove wrong + mcpu. + +Fri Jan 11 07:35:12 2002 Douglas B Rupp <rupp@gnat.com> + + * config/alpha/vms.h: (MD_FALLBACK_FRAME_STATE_FOR): Fix errors. + Protect with IN_LIBGCC. + (LINK_EH_SPEC): Add required trailing space. + +Fri Jan 11 09:25:05 2002 Nicola Pero <n.pero@mi.flashnet.it> + + * c-tree.h: Move function declarations so that they are listed + under the filename which contains them. + (check_identifier, finish_decl_top_level, + lookup_name_current_level_global, shadow_record_fields): Remove. + +2002-01-11 Andreas Jaeger <aj@suse.de> + + * config/i386/i386.h (CPP_CPUCOMMON_SPEC): Remove duplicated + march. + +2002-01-10 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (print_operand): Add 'J'. + * config/alpha/alpha.md (call_osf_1_er, call_value_osf_1_er): Take a + new operand with the sequence number for the lituse. When splitting + the insns, use gen_movdi_er_high_g and generate a sequence number. + (gen_movdi_er_high_g): Print the sequence number if nonzero. + +2002-01-10 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.c (altivec_init_builtins): Add support for + lvebx, lvehx, lvewx, lvxl, lvx, stvx, stvebx, stvehx, stvewx, + stvxl. + (altivec_expand_builtin): Same. + (altivec_expand_stv_builtin): New. + + * config/rs6000/rs6000.h (rs6000_builtins): Same. + + * config/rs6000/rs6000.md ("altivec_lvebx"): New. + ("altivec_lvehx"): New. + ("altivec_lvewx"): New. + ("altivec_lvxl"): New. + ("altivec_lvx"): New. + ("altivec_stvx"): New. + ("altivec_stvebx"): New. + ("altivec_stvehx"): New. + ("altivec_stvewx"): New. + ("altivec_stvxl"): New. + +2002-01-10 Richard Henderson <rth@redhat.com> + + * cfgrtl.c (delete_insn): Assert insn hasn't been deleted yet. + * reload1.c (delete_output_reload): Zap spill_reg_store. Take + care not to delete instructions twice. + +2002-01-10 Zack Weinberg <zack@codesourcery.com> + + * toplev.c: Don't declare environ (it's not used anywhere). + * configure.in: Don't check for declaration of environ. + * config/i386/xm-mingw32.h: Don't #define environ. + * config.in, configure: Regenerate. + +2002-01-10 Zack Weinberg <zack@codesourcery.com> + + * configure.in: Set stage1_cflags for powerpc-*-darwin*. + * configure: Regenerate. + + * config/interix.h: Set DO_GLOBAL_CTORS_BODY and + DO_GLOBAL_DTORS_BODY here, not in xm-interix.h. + * config/alpha/vms.h: Set INCLUDE_DEFAULTS here, not in + alpha/xm-vms.h. + * config/m68k/t-next: Set OTHER_FIXINCLUDES_DIRS and + LIMITS_H_TEST here, not in m68k/x-next. + * config/rs6000/beos.h: Set STANDARD_INCLUDE_DIR and + SYSTEM_INCLUDE_DIR here, not in rs6000/xm-beos.h. + + * config/x-interix: Don't set RANLIB, RANLIB_TEST, SHELL, + LIBGCC2_INCLUDES, or SYSTEM_HEADER_DIR. + * config/alpha/x-vms: Don't set USE_COLLECT2. Add comments. + + * config/i386/x-djgpp: Renamed i386/t-djgpp. + * config/m88k/x-dolph: Renamed m88k/t-dolph. + * config/m88k/x-texXD88: Renamed m88k/t-texXD88. + * config/pa/x-pa-mpeix: Renamed pa/t-mpeix. Update for + replacement of quadlib.asm with quadlib.c. + + * config/x-interix3, config/xm-interix.h, config/i386/x-beos, + config/i386/xm-osf1elf.h, config/rs6000/x-darwin, + config/rs6000/xm-beos.h: Delete file. + + * config.gcc: Update to match above changes. + +2002-01-10 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.h: Fix comment typos. + * config/h8300/h8300.md: Likewise. + * config/h8300/lib1funcs.asm: Likewise. + +2002-01-10 Dale Johannesen <dalej@apple.com> + + PR optimization/5269 + * unroll.c (precondition_loop_p): Make *increment be the correct + sign when n_iterations known, to avoid confusing caller. + +2002-01-10 Kazu Hirata <kazu@hxi.com> + + * doc/extend.texi (deprecated): Fix a typo. + +Thu Jan 10 22:35:54 CET 2002 Jan Hubicka <jh@suse.cz> + + * basic-block.h (update_br_prob_note): Declare. + * cfgcleanup.c (try_simplify_condjump): Call update_br_prob_note. + (try_forward_edges): Care negative frequencies and update note. + (outgoing_edges_match): Tweek conditional merging heuristics. + (try_crossjump_to_edge): use update_br_prob_note. + * cfglayout.c (fixup_reorder_chain): Likewise. + * cfrtl.c (update_br_prob_note): New. + * ifcvt.c (dead_or_predicable): Call update_br_prob_note. + + * i386.c (ix86_decompose_address): Return -1 if address contains + shift. + (legitimate_address_p): Require ix86_decompose_address to return 1. + + * gcse.c (hash_scan_set): Use CONSTANT_INSN_P. + (cprop_insn): Likewise. + +2002-01-10 Kazu Hirata <kazu@hxi.com> + + * toplev.c: Fix formatting. + * tree.c: Likewise. + * tree-dump.c: Likewise. + * unroll.c: Likewise. + * unwind-dw2.c: Likewise. + * unwind-dw2-fde.c: Likewise. + * unwind-dw2-fde-glibc.c: Likewise. + * unwind-sjlj.c: Likewise. + +2002-01-10 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/invoke.texi: Document PDP-11 options. + +2002-01-10 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.h: Fix formatting. + +2002-01-10 Ira Ruben <ira@apple.com> + + Add __attribute__ ((deprecated)). + * extend.texi: Document __attribute__ ((deprecated)). + * invoke.texi: Document -Wno-deprecated-declarations. + * testsuite/g++.dg/other/deprecated.C: New C++ test. + * testsuite/gcc.dg/deprecated.c: New C test. + * attribs.c (enum attrs): Declare handle_deprecated_attribute(). + (c_common_attribute_table): Add "deprecated" entry. + (handle_deprecated_attribute): New function. + * c-decl.c (deprecated_states): New enum. + deprecated_state: State of "deprecated" handling. + (start_decl): Set deprecated_state based on attributes. + (grokdeclarator): Test for deprecated uses, propagate attribute. + * c-typeck.c (build_component_ref): Test for deprecated fields. + (build_external_ref): Test for deprecated primaries. + * diagnostic.c (warn_deprecated_use) New function to issue + warnings about __attribute__ ((depricated)) references. + * flags.h (warn_deprecated_decl): Extern declared for + -W[no-]deprecated-declarations option. + * print-tree.c (print_node): Show deprecated flag status. + * toplev.c (warn_deprecated_decl): Defined. + (W_options): Added "deprecated-declaration". + * toplev.h (warn_deprecated_use): Extern declared. + * tree.h (struct tree_common): Define deprecated_flag. + (TREE_DEPRECATED): New macro to access flag. + * cp/call.c (build_call): Test for deprecated calls. + * cp/class.c (add_implicitly_declared_members): Set global + flag to tell grokdeclarator to not issue deprecated warnings. + * cp/cp-tree.h: Add extern for adding_implicit_members. + * cp/decl.c (deprecated_states): New enum. + (start_decl): Set deprecated_state based on attributes. + (grokdeclarator): Test for deprecated uses, propagate attribute. + * cp/lex.c (do_identifier): Test for deprecated primaries. + * cp/typeck.c (build_component_ref): Test for deprecated fields. + +2002-01-10 Ira Ruben <ira@apple.com> + + Fix to assign attributes to inline member functions. + * cp/decl.c (start_method): Handle attrlist. + +2002-01-10 Kazu Hirata <kazu@hxi.com> + + * combine.c (expand_field_assignment): Use subreg_lsb(). + +2002-01-10 David Edelsohn <edelsohn@gnu.org> + + * alias.c (find_base_value): Add cases for HIGH, PRE_INC, PRE_DEC, + POST_INC, POST_DEC, PRE_MODIFY, and POST_MODIFY. + (find_base_term): Add cases for TRUNCATE, PRE_MODIFY, and POST_MODIFY. + Recurse for any operand of AND as long as constant is nonzero. + +2002-01-10 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md: Remove constraints from expanders. + +2002-01-10 Kazu Hirata <kazu@hxi.com> + + * varasm.c: Fix formatting. + * varray.c: Likewise. + * vmsdbgout.c: Likewise. + * xcoffout.c: Likewise. + +Thu Jan 10 17:19:12 CET 2002 Jan Hubicka <jh@suse.cz> + + * cfgcleanup.c (try_forward_edges): Properly initialize nthreaded_edges; + update edge probabilities to match. + +2002-01-10 Joseph S. Myers <jsm28@cam.ac.uk> + + * Makefile.in ($(docdir)/gccint.info, gccint.dvi): Add additional + dependencies. + * doc/languages.texi, doc/sourcebuild.texi: New files. + * doc/configfiles.texi: Make a subsubsection. Update. + * doc/configterms.texi: Add @node. Remove warning that this isn't + instructions for building GCC. + * doc/makefile.texi: Make a subsection. + * doc/gccint.texi: Update. + +Thu Jan 10 16:39:58 CET 2002 Jan Hubicka <jh@suse.cz> + + * i386.md (sse_mov?fcc_const0_?): Fix constraints. + +Thu Jan 10 12:45:50 2002 Nicola Pero <n.pero@mi.flashnet.it> + + * doc/cpp.texi: Document the __OBJC__ preprocessor macro. + +Thu Jan 10 11:19:18 CET 2002 Jan Hubicka <jh@suse.cz> + + * optabs.c (expand_fix): Look for wider integer modes first. + + * i386.md (mov?f): Avoid the fake const double trick for medium + memory model. + (min?f*/max?f*): Prohibit memory operands for i387 variant. + (fop_df_4): Disable for SSE compilation. + +2002-01-10 Graham Stott <grahams@redhat.com> + + * dwarf2out.c (indirect_string_alloc, output_indirect_string): + Move prototype into DWARF2_DEBUGGING_INFO conditional block. + +2002-01-10 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.md (extendsidi2_fix): Penalize f/f alternative. + +2002-01-10 Richard Henderson <rth@redhat.com> + + * regrename.c (find_oldest_value_reg): Fix typo in mode change check. + (copyprop_hardreg_forward_1): Likewise. Use mode_change_ok. + +2002-01-10 Kazu Hirata <kazu@hxi.com> + + * combine.c (can_combine_p): Fix a comment typo. + +2002-01-09 Zack Weinberg <zack@codesourcery.com> + + * Makefile.in (s-gencheck, s-options, s-specs): Handle an + empty list correctly. Change loop index $t to $f for + consistency with rest of Makefile. + +2002-01-08 Aldy Hernandez <aldyh@redhat.com> + + * testuite/gcc.dg/altivec-4.c: Add test for mtvscr, dssall, + mfvscr, dss, lvsl, lvsr, dstt, dstst, dststt, dst. + + * config/rs6000/rs6000.c (altivec_expand_builtin): Add support for + mtvscr, dssall, mfvscr, dss, lvsl, lvsr, dstt, dst, dstst, dststt. + (altivec_init_builtins): Same. + (altivec_expand_unop_builtin): Return NULL_RTX on error. + (altivec_expand_binop_builtin): Same. + (altivec_expand_ternop_builtin): Same. + (bdesc_dst): New. + + * config/rs6000/rs6000.md ("altivec_mtvscr"): New. + ("altivec_vctuxs"): Fix typo. + ("altivec_vnmsubfp"): Same. + ("altivec_dssall"): New. + ("altivec_mfvscr"): New. + ("altivec_dss"): New. + ("altivec_lvsl"): New. + ("altivec_lvsr"): New. + ("altivec_dstt"): New. + ("altivec_dstst"): New. + ("altivec_dststt"): New. + ("altivec_dst"): New. + + * config/rs6000/rs6000.h (rs6000_builtins): Add mtvscr, dssall, + mfvscr, dss, lvsl, lvsr, dstt, dstst, dststt, dst. + +2002-01-09 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.md (prologue_mcount): Remove lituse_jsr reloc. + +2002-01-10 Hans-Peter Nilsson <hp@bitrange.com> + + * config/mmix/mmix.c (mmix_asm_identify_gcc): Remove unused + function. + * config/mmix/mmix-protos.h (mmix_asm_identify_gcc): Don't + prototype. + * config/mmix/mmix.h (ASM_IDENTIFY_GCC): Remove unused macro. + +2002-01-09 Kazu Hirata <kazu@hxi.com> + + * read-rtl.c: Fix formatting. + * real.c: Likewise. + * regclass.c: Likewise. + * regrename.c: Likewise. + * reg-stack.c: Likewise. + * reload1.c: Likewise. + * reload.c: Likewise. + * rtl.c: Likewise. + +2002-01-09 Kazu Hirata <kazu@hxi.com> + + * rtlanal.c (find_reg_fusage): Use XEXP instead of SET_DEST + to extract items in the expr_list chain. + +2002-01-09 Richard Henderson <rth@redhat.com> + + * config/vax/vax.c (vax_rtx_cost): Never abort. + + * config/vax/vax.h (REAL_ARITHMETIC): Define. + +2002-01-09 Jan Hubicka <jh@suse.cz> + + * gcse.c (cprop_jump): Delete insn if simplified jump is no-op. + +2002-01-09 Richard Henderson <rth@redhat.com> + + * config/arm/arm.c (arm_gen_constant): Use trunc_int_for_mode. + Unify code from various alternatives. + +2002-01-09 Richard Henderson <rth@redhat.com> + + * regrename.c (copy_value): Ignore the copy if the source register + is present in the value chain with a narrower mode. + +2002-01-09 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * real.c (c4xtoe, toc4x): Do some special conversion on long doubles + for the c4x target. Also improve layout. + +2002-01-09 Richard Henderson <rth@redhat.com> + + * config/m32r/m32r.c (move_src_operand): Fix 32-bit int test. + * config/m32r/m32r.md (and ior xor splitters): Swap operands + to match insn patterns. + +2002-01-09 Richard Henderson <rth@redhat.com> + + * regrename.c (find_oldest_value_reg): Use gen_rtx_raw_REG. + (copyprop_hardreg_forward_1): Likewise. + +2002-01-09 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.md (decrement_and_branch_until_zero): Change predicate for + operand 0 from register_operand to reg_or_nonsymb_mem_operand. + +2002-01-09 Bryce McKinlay <bryce@waitaki.otago.ac.nz> + + * ginclude/stddef.h: Define _BSD_WCHAR_T_DEFINED_ if _BSD_WCHAR_T_ + gets undefined. For Darwin. + +2002-01-09 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * config/c4x/c4x.h: Use PUSH_ARGS and PUSH_ROUNDING for stack passing. + +2002-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x/md: Remove extraneous constraints from define_splits. + +2002-01-08 Richard Henderson <rth@redhat.com> + + * regrename.c (copy_value): Ignore overlapping copies. + +2002-01-08 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (alpha_split_conditional_move): Call copy_rtx + as needed to avoid shared structure. + +2002-01-08 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (get_shift_alg): Fix 15-bit LSHIFTRT on + H8/300H and H8S. + +2002-01-08 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/tm.texi (EASY_DIV_EXPR, IMPLICIT_FIX_EXPR, + LONGJMP_RESTORE_FROM_STACK, MAX_INT_TYPE_SIZE): Remove + documentation of obsolete macros. + * system.h: Poison these macros. + * config/1750a/1750a.h, config/a29k/a29k.h, config/alpha/alpha.h, + config/arc/arc.h, config/arm/arm.h, config/avr/avr.h, + config/c4x/c4x.h, config/clipper/clipper.h, + config/convex/convex.h, config/cris/cris.h, config/d30v/d30v.h, + config/dsp16xx/dsp16xx.h, config/elxsi/elxsi.h, + config/fr30/fr30.h, config/h8300/h8300.h, config/i370/i370.h, + config/i386/i386.h, config/i860/i860.h, config/i960/i960.h, + config/ia64/ia64.h, config/m32r/m32r.h, config/m68hc11/m68hc11.h, + config/m68k/m68k.h, config/m88k/m88k.h, config/mcore/mcore.h, + config/mips/mips.h, config/mmix/mmix.h, config/mn10200/mn10200.h, + config/mn10300/mn10300.h, config/ns32k/ns32k.h, config/pa/pa.h, + config/pdp11/pdp11.h, config/pj/pj.h, config/romp/romp.h, + config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.h, + config/sparc/sparc.h, config/stormy16/stormy16.h, + config/v850/v850.h, config/vax/vax.h, config/we32k/we32k.h: Remove + definitions and commented out definitions of obsolete macros. + * config/mips/iris5.h (MAX_WCHAR_TYPE_SIZE): Don't define in terms + of MAX_INT_TYPE_SIZE. + +2002-01-08 Ulrich Weigand <uweigand@de.ibm.com> + + * config/s390/s390.c (s390_preferred_reload_class): Never + return ADDR_REGS if it isn't a subset of the given class. + * config/s390/s390.h (REGISTER_MOVE_COST): Penalize not just + FP_REGS, but all superclasses as well. + + * config/s390/s390.c (s390_function_profiler): Fix thinko. + + * config/s390/s390.md (cmpdi_ccu_mem, cmpsi_ccu_mem, + cmphi_ccu_mem, cmpqi_ccu_mem): First operand of compare + must not be a const_int. + +2002-01-08 Richard Henderson <rth@redhat.com> + + * Makefile.in (toplev.o): Depend on options.h. + (gcc.o): Depend on specs.h. + +2002-01-08 Jakub Jelinek <jakub@redhat.com> + + * expr.c (store_expr): Convert VOIDmode constants back to target's + mode. + +2002-01-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/invoke.texi: Markup gcc as @command. Refer to + http://gcc.gnu.org/onlinedocs/gcc/Contributors.html instead + of http://gcc.gnu.org/thanks.html. + +2002-01-08 Dale Johannesen <dalej@apple.com> + + * config/rs6000/rs6000.md: Add missing int register + target case to movdf_low. + +2002-01-08 Zack Weinberg <zack@codesourcery.com> + + * Makefile.in (cs-tconfig.h): Don't depend on $(CONFIG_H) or + except.h. Remove commands to define USING_SJLJ_EXCEPTIONS. + (cppinit.o): Depend on except.h. + (gencheck.h, options.h, specs.h, s-gencheck, s-options, + s-specs): New rules. + + * configure.in: Don't AC_DEFINE_UNQUOTED PACKAGE or VERSION. + Don't create specs.h/options.h/gencheck.h here. Remove + unnecessary variable settings from last argument of AC_OUTPUT. + * config.in, configure: Regenerate. + * intl.c: Hardcode package name as "gcc". + + * cppinit.c: Include except.h. + (builtin_array): Define __USING_SJLJ_EXCEPTIONS__ when + appropriate. + * unwind-dw2.c, unwind-sjlj.c, config/ia64/unwind-ia64.c: + Use #if(n)def __USING_SJLJ_EXCEPTIONS, not #if + (!)USING_SJLJ_EXCEPTIONS. + * doc/cpp.texi: Document __USING_SJLJ_EXCEPTIONS__. + +2002-01-08 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/tm.texi (ASM_OUTPUT_EH_REGION_BEG, ASM_OUTPUT_EH_REGION_END, + ASM_OUTPUT_LABELREF_AS_INT, DOESNT_NEED_UNWINDER, EH_TABLE_LOOKUP, + OBJC_SELECTORS_WITHOUT_LABELS, OMIT_EH_TABLE): Remove + documentation of obsolete macros. + * system.h: Poison these macros. + * config/d30v/d30v.h, config/ns32k/encore.h, + config/stormy16/stormy16.h: Remove definitions and commented out + definitions of obsolete macros. + +Tue Jan 8 15:56:41 2002 Nicola Pero <nicola@brainstorm.co.uk> + + * objc/objc-act.c (handle_class_ref): Mark the declaration of + %sobjc_class_ref_%s as used - to prevent unwanted compiler + warnings. + +2002-01-08 Ulrich Weigand <uweigand@de.ibm.com> + + * config/s390/linux.h (ASM_OUTPUT_LABELREF): Remove. + * config/s390/s390.c (s390_emit_epilog): Add REG_FRAME_RELATED_EXPR + to insn adjusting stack/frame pointer. + * config/s390/s390.md (reload_la_64, reload_la_31): Do not + accept operands that cause the insn to be non-splittable. + +2002-01-08 Graham Stott <grahams@redhat.com> + + * c-tree.h (C_TYPE_FIELDS_READONLY): Uppercase macro parameter. + (C_TYPE_FIELDS_VOLATILE): Likewise. + (C_TYPE_BEING_DEFINED): Likewise. + (C_IS_RESERVED_WORD): Likewise. + (C_TYPE_VARIABLE_SIZE): Likewise. + (C_DECL_VARIABLE_SIZE): Likewise. + (C_MISSING_PROTOTYPE_WARNED): Likewise. + (C_SET_EXP_ORIGINAL_CODE): Likewise. + (C_TYPEDEF_EXPLICITLY_SIGNED): Uppercase macro parameter and remove + parenthesis. + (C_DECL_ANTICIPATED): Likewise. + (c_build_type_variant): Add parenthesis. + +2002-01-08 Joseph S. Myers <jsm28@cam.ac.uk> + + * gcc.c (option_map): Remove --version. + (process_command): Handle -fversion following the GNU Coding + Standards. Partially addresses PR other/704. + +2002-01-08 Graham Stott <grahams@redhat.com> + + * combine.c (combine_instructions): Fix typo. + +2002-01-08 Graham Stott <grahams@redhat.com> + + * debug.h: Use "tree" and "rtx" throughout. + + * debug.c: Likewise. + +2002-01-08 Nick Clifton <nickc@cambridge.redhat.com> + + * dbxout.c (dbxout_symbol_location): If a symbol ref is in the + constant pool, use the pool's version of the symbol instead. + +2002-01-07 Richard Henderson <rth@redhat.com> + + * regrename.c (find_oldest_value_reg): Ignore the value chain if + the original register was copied in a mode with a fewer number of + hard registers than the desired mode. + (copyprop_hardreg_forward_1): Likewise. + (debug_value_data): Fix loop test. + * toplev.c (parse_options_and_default_flags): Reenable + -fcprop-registers at -O1. + +2002-01-07 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.c (bdesc_2arg): Add altivec predicates. + (altivec_init_builtins): New node v4si_ftype_v16qi_v16qi. + + * config/rs6000/rs6000.h (rs6000_builtins): Add enums for altivec + predicates. + + * config/rs6000/rs6000.md: Add altivec predicate patterns. + +2002-01-07 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.c (FUNC_BEGIN_PROLOG_LABEL, current_function_number): Define. + (pa_output_function_prologue): Output local label at the beginning of + the prologue when profiling. + (hppa_profile_hook): Use the local label rather than the function label. + * pa.h (PROFILE_BEFORE_PROLOGUE): Define. + +2002-01-07 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000.c (print_operand): Remove extra space. + (altivec_expand_unop_builtin): Fix thinko. + (altivec_expand_binop_builtin): Same. + (altivec_expand_ternop_builtin): Same. + (altivec_expand_builtin): Same. + +2002-01-07 Richard Henderson <rth@redhat.com> + + * config/rs6000/xcoff.h (ASM_FILE_START): Reverted to profile_flag. + +2002-01-07 Jason Merrill <jason@redhat.com> + + * unwind-dw2.c (execute_cfa_program): Use < again. + +2002-01-07 Jakub Jelinek <jakub@redhat.com> + + * predict.c (combine_predictions_for_insn): Avoid division by zero. + +2002-01-07 Jakub Jelinek <jakub@redhat.com> + + * simplify-rtx.c (simplify_plus_minus): Bump n_ops for NOT. + Don't allow -1 - x -> ~x simplifications in the first pass. + +2002-01-07 Aldy Hernandez <aldyh@redhat.com> + + * rs6000.c (altivec_expand_ternop_builtin): Don't die on invalid + arguments. + (altivec_expand_binop_builtin): Same. + (altivec_expand_unop_builtin): Same. + (print_operand): Fix typo. + (bdesc_1arg): Add vupk* variants. + + * rs6000.h (rs6000_builtins): Add vupk* enums. + + * rs6000.md: Add altivec_vupk* variants. + +2002-01-07 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/gcc.texi, doc/gccint.texi, doc/cppinternals.texi, + doc/install.texi, doc/invoke.texi, doc/rtl.texi: Update copyright + and last update dates. + +2002-01-07 Janis Johnson <janis187@us.ibm.com> + + * doc/rtl.texi (Flags): Clean up documentation of RTL flags + +2002-01-07 Marek Michalkiewicz <marekm@amelek.gda.pl> + + * config/avr/avr.c (avr_mcu_types): Add new MCU types. + * config/avr/avr.h (CPP_SPEC): Likewise. + (LINK_SPEC): Likewise. + (CRT_BINUTILS_SPECS): Likewise. + * config/avr/t-avr (MULTILIB_MATCHES): Likewise. + * doc/invoke.texi (AVR Options): Document them. + +Mon Jan 7 11:59:34 CET 2002 Jan Hubicka <jh@suse.cz> + + * unroll.c (copy_loop_body): Always properly update JUMP_LABEL and + LABEL_NUSES. + +2002-01-07 Graham Stott <grahams@redhat.com> + + * config/i386/i386.h: Update copyright date. + (HALF_PIC_PTR): Add parenthesis. + (OPTIMIZATION_OPTIONS): Whitespace, add parenthesis and wrap. + (CONSTANT_ALIGNMENT): Add parenthesis. + (DATA_ALIGNMENT): Likewise. + (LOCAL_ALIGNMENT): Likewise. + (FUNCTION_ARG_BOUNDARY): Whitespace, add parenthesis and wrap. + (IS_STACK_MODE): Uppercase macro parameter, add parenthesis and wrap. + (CONDITIONAL_REGISTER_USAGE): Wrap in do {...} while (0). + (HARD_REGNO_NREGS): Add paranethesis. + (VALID_SSE_REG_MODE): Whitespace. + (VALID_MMX_REG_MODE): Whitespace. + (VALID_FP_MODE_P): Uppercase macros parameter and whitespace. + (ix86_hard_regno_mode_ok): Add parenthesis. + (HARD_REGNO_CALLER_SAVE_MODE): Whitespace. + (RETURN_IN_MEMORY): Whitespace. + (N_REG_CLASSES): Add parenthesis. + (INTEGER_CLASS_P): Add parenthesis and wrap. + (FLOAT_CLASS_P): Likewise. + (SSE_CLASS_P): Likewise. + (MMX_CLASS_P): Likewise. + (MAYBE_INTEGER_CLASS_P): Likewise. + (MAYBE_FLOAT_CLASS_P): Likewise. + (MAYBE_SSE_CLASS_P): Likewise. + (MAYBE_MMX_CLASS_P): Likewise. + (Q_CLASS_P): Likewise. + (GENERAL_REGNO_P): Uppercase macro parameter. + (REX_INT_REGNO_P): Uppercase macro parameter and wrap. + (FP_REGNO_P): Likewise. + (ANY_FP_REGNO_P): Uppercase macro parameter. + (SSE_REGNO_P): Likewise. + (SSE_REGNO): Likewise. + (SSE_REG_P): Likewise. + (SSE_FLOAT_MODE_P): Likewise. + (MMX_REGNO_P): Likewise. + (MMX_REG_P):Likewise. + (STACK_REG_P): Likewise. + (NON_STACK_REG_P): Likewise. + (STACK_TOP_P): Likewise. + (CONVERT_HARD_REGISTER_TO_SSA_P): Add parenthesis. + (PREFERRED_RELOAD_CLASS): Add parenthesis and whitespace. + (SECONDARY_MEMORY_NEEDED): Likewise. + (SECONDARY_OUTPUT_RELOAD_CLASS): Whitespace. + (MD_ASM_CLOBBERS): Whitespace and wrap. + (MUST_PASS_IN_STACK): Whitespace and wrap. + (RETURN_POPS_ARGS): Add parenthesis. + (INIT_CUMULATIVE_ARGS): Likewise. + (FUNCTION_ARG): Likewise. + (FUNCTION_OK_FOR_SIBCALL): Add parenthesis and whitespace. + (SETUP_INCOMING_VARARGS): Likewise. + (BUILD_VA_LIST_TYPE): Add parenthesis. + (EXPAND_BUILTIN_VA_START): Uppercase macro paremeters and add + parenthsis. + (EXPAND_BUILTIN_VA_ARG): Likewise. + (FUNCTION_PROFILER): Wrap in do { ... } while (0) and add parenthesis. + (INITIALIZE_TRAMPOLINE): Add parenthesis. + (INITIAL_ELIMINATION_OFFSET): Likewise. + (REGNO_OK_FOR_INDEX_P): Add parenthesis. + (REGNO_OK_FOR_BASE_P): Likewise. + (REGNO_OK_FOR_SIREG_P): Add parenthesis and wrap. + (REGNO_OK_FOR_DIREG_P): Likewise. + (REG_OK_FOR_INDEX_P): Whitespace. + (REG_OK_FOR_BASE_P): Whitespace. + (GO_IF_LEGITIMATE_ADDRESS): Wrap in do { ... } while (0) and add + parenthesis. + (FIND_BASE_TERM): Fix typo. + (LEGITIMIZE_ADDRESS): Wrap in { .. } while (0) and add parenthesis. + (REWRITE_ADDRESS): Uppercase macro parameter and whitespace. + (SYMBOLIC_CONST; Whitespace. + (GO_IF_MODE_DEPENDENT_ADDRESS):Wrap in { .. } while (0) and wrap. + (ENCODE_SECTION_INFO): Whitespace. + (FINALIZE_PIC): Remove do { ... } while (0). + (PROMOTE_MODE): Wrap in do { ... } while (0). + (CONST_COSTS): Whitespace. + (RTX_COSTS): Add paramethesis, whitespace and wrap. + (REGISTER_MOVE_COST): Add parenthesis. + (MEMORY_MOVE_COST): Likewise. + (EXTRA_CC_MODES): Whitespace. + (SELECT_CC_MODE): Add parenthesis and whitespace. + (DBX_REGISTER_NUMBER): Uppercase macro parameter and add parenthsis. + (ASM_PREFERRED_EH_DATA_FORMAT): Add parenthesis and whitespace. + (ASM_OUTPUT_LABEL): Add paramethesis. + (ASM_OUTPUT_REG_PUSH): Add parenthesis and whitespace. + (ASM_OUTPUT_REG_POP): Likewise. + (ASM_OUTPUT_ADDR_VEC_ELT): Add parenthesis. + (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise. + + * config/i386/i386.c: Update copyright. + (CHECK_STACK_LIMIT): Add parenthesis. + (AT_BP): Uppercase macro parameter. + (x86_64_int_parameter_registers): Constify. + (x86_64_int_return_registers): Likewise. + (ix86_compare_op0): Use rtx. + (construct_container): Constify INTREG parameter. + (function_arg): Use rtx. + + * diagnostic.h: Update copyright date. + (output_buffer_state): Add parenthesis. + (output_buffer_format_args): Likewise. + + * combine.c (combine_instructions): Replace XEXP (links, 0) + with link. + +2002-01-06 H.J. Lu <hjl@gnu.org> + + * cfgcleanup.c (thread_jump): Fix 2 typos. + +2002-01-06 Aldy Hernandez <aldyh@redhat.com> + + * config.gcc: Add support for --enable-altivec. + +2002-01-06 Craig Rodrigues <rodrigc@gcc.gnu.org> + + * emit-rtl.c (gen_highpart): Add check for NULL_RTX. + +2002-01-06 Jakub Jelinek <jakub@redhat.com> + + * objc/objc-act.c (handle_impent): Use assemble_variable to emit + __objc_class_name_*. + +2002-01-06 Craig Rodrigues <rodrigc@gcc.gnu.org> + + * doc/install.texi (sparcv9-*-solaris2*): Add documentation. + +2002-01-06 Richard Henderson <rth@redhat.com> + + * reorg.c (emit_delay_sequence): Remove death notes, not merely + nop them out. Increment label reference count for REG_LABEL. + (fill_slots_from_thread): Frob label reference count around + delete_related_insns. + +2002-01-05 Richard Henderson <rth@redhat.com> + + * cfgcleanup.c (try_forward_edges): Detect infinite loops while + jump threading. + +2002-01-05 Richard Henderson <rth@redhat.com> + + * c-decl.c (c_expand_body): Don't call outlining_inline_function. + * integrate.c (output_inline_function): Likewise. + * toplev.c (rest_of_compilation): Do it here instead. Move call + to remove_unnecessary_notes after emitting abstract instance. + Force an emitted nested function to have its parent emited as well. + * dwarf2out.c (loc_descriptor_from_tree): Read mode after checking + for null. + (rtl_for_decl_location): Do not look at reload data structures + before reload has run. + +2002-01-05 Kazu Hirata <kazu@hxi.com> + + * cse.c: Fix formatting. + * dwarf2asm.c: Likewise. + * dwarf2out.c: Likewise. + * explow.c: Likewise. + * expmed.c: Likewise. + * function.c: Likewise. + * gcov.c: Likewise. + * gencheck.c: Likewise. + * genrecog.c: Likewise. + * ggc-common.c: Likewise. + * ggc-page.c: Likewise. + * global.c: Likewise. + +2002-01-05 Kazu Hirata <kazu@hxi.com> + + * combine.c: Fix formatting. + +2002-01-05 Craig Rodrigues <crodrigu@bbn.com> + + PR middle-end/1557 + * config/ia64/ia64.h (RENAME_EXTENDED_BLOCKS): Remove. + +2002-01-05 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000.h (TARGET_POWERPC): For IN_LIBGCC2, define + as 1 for __powerpc64__ as well. + + * config/rs6000/t-aix43 (T_ADAFLAGS): Define. + + * alias.c (find_base_value, PLUS/MINUS): If we found a base, + return it. + +2002-01-05 Daniel Berlin <dan@dberlin.org> + + * lcm.c: Revert change, due to performance regression it causes on + SPEC because it's slightly more conservative (sigh, I hate + edge-based LCM). + +Sat Jan 5 11:52:05 CET 2002 Jan Hubicka <jh@suse.cz> + + * cfgcleanup.c (try_forward_edges): Allow multiple jump threading. + +2002-01-05 Neil Booth <neil@daikokuya.demon.co.uk> + + * doc/cppinternals.texi: Update. + +2002-01-05 Hans-Peter Nilsson <hp@bitrange.com> + + * doc/invoke.texi (Option Summary) <MMIX Options>: Document + -mbranch-predict, -mreg-stack-fill-bug-workaround and their + negatives. + (MMIX Options): Ditto. Fix item/itemx typo for -mno-zero-extend. + * config/mmix/mmix.c (mmix_target_asm_function_prologue): Rework + kludge for pre-october-14th mmix versions to handle new-found bug + with PUSHJ/PUSHGO and the register stack. + * config/mmix/mmix.h (struct machine_function): Rename member + has_call_value_without_parameters to has_call_without_parameters. + All referers changed. + (TARGET_MASK_REG_STACK_FILL_BUG, TARGET_DEFAULT + TARGET_MASK_BRANCH_PREDICT): New macros. + (TARGET_SWITCHES): New options -mreg-stack-fill-bug-workaround, + -mno-reg-stack-fill-bug-workaround. + * config/mmix/mmix.md ("call"): Set struct machine member + has_call_without_parameters. + +Sat Jan 5 02:20:22 CET 2002 Jan Hubicka <jh@suse.cz> + + * cfgcleanup.c (thread_jump): Fix handling of reversed branches. + +Sat Jan 5 01:35:29 CET 2002 Jan Hubicka <jh@suse.cz> + + * cfgcleanup.c: Include tm_p.h + (mark_effect): Fix handling of hard register; fix handling of SET + +2002-01-04 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md (anonymous patterns): Check that + operands are registers before using REGNO on them. + +2002-01-03 Roland McGrath <roland@frob.com> + + * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcall-gnu. + +2002-01-04 Jakub Jelinek <jakub@redhat.com> + + * tree.h (expand_expr_stmt_value): Add maybe_last argument. + * c-common.h (genrtl_expr_stmt_value): Likewise. + * stmt.c (expand_expr_stmt): Pass 1 as maybe_last. + (expand_expr_stmt_value): Add maybe_last argument. + Don't warn about statement with no effect if it is the last statement + in expression statement. + * c-semantics.c (genrtl_expr_stmt): Pass 1 as maybe_last. + (genrtl_expr_stmt_value): Add maybe_last argument, pass it down to + expand_expr_stmt_value. + (expand_stmt) [EXPR_STMT]: Pass 1 as maybe_last to + genrtl_expr_stmt_value if t is the last EXPR_STMT in its scope. + * expr.c (expand_expr) [LABELED_BLOCK_EXPR, LOOP_EXPR]: Pass 1 + as maybe_last to expand_expr_stmt_value. + +Fri Jan 4 11:45:05 2002 Jeffrey A Law (law@redhat.com) + + * c-common.c (c_expand_start_cond): Expect the IF_STMT node to + be passed in, do not build it. + (c_begin_if_stmt): New function. + (c_begin_while_stmt, c_finish_while_stmt_cond): Likewise. + * c-common.h (c_expand_start_cond): Update prototype. + (c_begin_if_stmt): Prototype new function. + (c_begin_while_stmt, c_finish_while_stmt_cond): Likewise. + * c-parse.in (if_prefix): Use c_begin_if_stmt, + c_begin_while_stmt and c_finish_while_stmt_cond. + +2002-01-04 William Cohen <wcohen@redhat.com> + + * config/pa/elf.h (ASM_FILE_START): Reverted to profile_flag. + * config/pa/pa-linux.h (ASM_FILE_START): Likewise. + * config/pa/pa64-hpux.h (ASM_FILE_START): Likewise. + * config/pa/som.h (ASM_FILE_START): Likewise. + +2002-01-04 Daniel Berlin <dan@cgsoftware.com> + + * lcm.c: Include df.h. + Add available_transfer_function prototype. + (compute_available): Rework to use iterative dataflow framework. + (struct bb_info): s/bb_info/lcm_bb_info/g to avoid conflict + with bb_info in df.h + (available_transfer_function): New function. + + * Makefile.in (lcm.o): add df.h to dependencies. + +2002-01-04 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (some_operand): Accept HIGH. + (input_operand): Likewise; accept simple references to globals. + (alpha_const_ok_for_letter_p): New, outlined from alpha.h. + (alpha_const_double_ok_for_letter_p): Likewise. + (alpha_extra_constraint): Likewise. + (alpha_preferred_reload_class): Likewise. Do not force + symbolic constants to memory. + (alpha_legitimate_address_p): Accept simple references + to small_symbolic_operand. + (alpha_legitimize_address): New arg scratch. Be prepared to be + called when no_new_pseudos. Emit simple symbolic references. + Split integers into low, high, and rest. + (alpha_expand_mov): Use alpha_legitimize_address. + (some_small_symbolic_mem_operand): New. + (split_small_symbolic_mem_operand): New. + * config/alpha/alpha-protos.h: Update. + * config/alpha/alpha.h (CONST_OK_FOR_LETTER_P): Out-line. + (CONST_DOUBLE_OK_FOR_LETTER_P): Likewise. + (EXTRA_CONSTRAINT): Likewise. + (PREFERRED_RELOAD_CLASS): Likewise. + (LEGITIMIZE_ADDRESS): Update for alpha_legitimize_address change. + (PREDICATE_CODES): Update. + * config/alpha/alpha.md: New post-reload splitters to convert + simplfied symbolic operands to the form that references $29. + (divide expanders): Use emit_move_insn, not gen_movdi_er_high_g. + (movdi_er_nofix, movdi_er_fix): Accept any symbolic operand. + +2002-01-03 Richard Henderson <rth@redhat.com> + + * local-alloc.c (function_invariant_p): Update commentary. + +2002-01-04 H.J. Lu <hjl@gnu.org> + + * toplev.c (rest_of_compilation): Fix a typo when calling + cleanup_cfg. + +2002-01-03 Kazu Hirata <kazu@hxi.com> + + * c-common.c: Fix formatting. + * diagnostic.c: Likewise. + * doloop.c: Likewise. + * dwarf2out.c: Likewise. + +2002-01-03 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (output_logical_op): Use 'not.w' instead + of 'neg.w' when xoring with 0x0000ffff or 0xffff0000. + +2002-01-03 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpperror.c: Update comments and copyright. + * cppexp.c, cppfiles.c, cpphash.c, cpphash.h, cppinit.c, + cpplex.c, cpplib.c, cpplib.h, cppmacro.c, cppmain.c: Similarly. + +2002-01-03 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * collect2.c (main): Use strcmp when testing for "-shared". + +2002-01-03 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppmacro.c: Don't include intl.h. Update comments. + (new_number_token): Allocate enough buffer for 64-bit unsigned + integers; update prototype. + * cppmain.c: Update comments. + +2002-01-03 William Cohen <wcohen@redhat.com> + + * function.h (struct function): Add profile. + (current_function_profile): New. + doc/extend.texi: Update documentation. + * final.c (final_start_function): Use current_function_profile + instead of profile_flag. + (profile_after_prologue): Likewise. + * function.c (expand_function_start): Likewise. + (expand_function_start): Likewise. + * config/alpha/alpha.c (direct_call_operand): + (alpha_does_function_need_gp): Likewise. + (alpha_expand_prologue): Likewise. + * config/arm/arm.c (arm_expand_prologue): Likewise. + thumb_expand_prologue: Likewise. + * config/d30v/d30v.c (d30v_stack_info): Likewise. + * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Likewise. + (fr30_expand_prologue): Likewise. + * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise. + * config/i386/i386.c (ix86_osf_output_function_prologue): Likewise. + * config/i386/i386.h (FINALIZE_PIC): Likewise. + * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise. + * config/i960/i960.c (i960_output_function_prologue): Likewise. + * config/ia64/ia64.c (ia64_compute_frame_size): Likewise. + * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Likewise. + (m32r_expand_prologue): Likewise. + * config/m88k/m88k.c (m88k_layout_frame): Likewise. + (m88k_expand_prologue): Likewise. + * config/m88k/m88k.h (ADJUST_INSN_LENGTH): Likewise. + * config/mips/mips.c (compute_frame_size): Likewise. + (mips_expand_prologue): Likewise. + (mips_can_use_return_insn): Likewise. + * config/pa/elf.h (ASM_FILE_START): Likewise. + * config/pa/pa-linux.h (ASM_FILE_START): Likewise. + * config/pa/pa64-hpux.h (ASM_FILE_START): Likewise. + * config/pa/som.h (ASM_FILE_START): Likewise. + * config/romp/romp.c (romp_using_r14): Likewise. + * config/rs6000/rs6000.c (first_reg_to_save): Likewise. + (rs6000_stack_info): Likewise. + * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise. + * config/rs6000/xcoff.h (ASM_FILE_START): Likewise. + * config/v850/v850.c (compute_register_save_size): Likewise. + +2002-01-03 Jakub Jelinek <jakub@redhat.com> + + * simplify-rtx.c (simplify_binary_operation) [DIV]: If + gen_lowpart_common fails, use gen_lowpart_SUBREG. + +2002-01-03 Turly O'Connor <turly@apple.com> + + * darwin.c (machopic_output_possible_stub_label): Don't generate + stub routines for pseudo-stubs which we've just defined. + +2002-01-03 Kazu Hirata <kazu@hxi.com> + + * builtins.c: Fix formatting. + * c-typeck.c: Likewise. + * combine.c: Likewise. + * expr.c: Likewise. + * loop.c: Likewise. + +2002-01-03 Andreas Schwab <schwab@suse.de> + + * cppfiles.c (_cpp_pop_file_buffer): Change return type to bool + and return true if _cpp_push_next_buffer pushed a new include + file. + * cpplib.c (_cpp_pop_buffer): Only call obstack_free if + _cpp_pop_file_buffer did not push a new file. + * cpphash.h (_cpp_pop_file_buffer): Update declaration. + +2002-01-02 Eric Christopher <echristo@redhat.com> + + * final.c (final_scan_insn): Change 0 -> NULL_RTX in + FIND_REG_INC_NOTE call. Update copyright. + * loop.c (canonicalize_condition): Ditto. + * reorg.c (delete_scheduled_jump): Ditto. + +2002-01-03 Kazu Hirata <kazu@hxi.com> + + * gcse.c: Fix formatting. + +2002-01-03 Graham Stott <grahams@redhat.com> + + * mkconfig.sh: Output to config.h, hconfig.h and tconfig.h + forward defs for struct tags rtx_def, union_tree, rtvec_def + also output corresponding typedefs for rtx, tree, and rtvec. + + * system.h: Move forward defs for struct tags rtx_def, union_tree, + rtvec_def along with corresponding typedefs for rtx, tree, and + rtvec to config.h, hconfig.h, tconfig.h. + +2002-01-03 Graham Stott <grahams@redhat.com> + + * tree.h: Update copyright date. + (IS_EXPR_CODE_CLASS): Add parenthesis. + (TREE_SET_CODE): Add whitespace. + (TREE_CHECK): Add parenthesis. + (TREE_CLASS_CODE): Add parenthesis and wrap long line. + (CST_OR_CONSTRUCTOR_CHECK): + (EXPR_CHECK): Add parenthis, whitespace and wrap line. + (TREE_SYMBOL_REFERENCED): Whitespace. + (INT_CST_LT): Likewise. + (INT_CST_LT_UNSIGNED): Likewise. + (tree_real_cst): Unwrap comment. + (tree_string): Likewise. + (tree_complex): Likewise. + (IDENTIFIER_POINTER): correct cast. + (SAVE_EXPR_CONTEXT): Whitespace. + (EXPR_WFL_FILENAME_NODE): Likewise. + (EXPR_WFL_FILENAME): Remove parenthesis. + (DECL_ORIGIN): Add parenthesis. + (DECL_FROM_INLINE): Use NULL_TREE. + (build_int_2): Whitespace. + (build_type_variant): Add parenthesis. + + * gcc/jcf-parse.c: Update copyright date. + (yyparse): Constify resource_filename. + +2002-01-03 Graham Stott <grahams@redhat.com> + + * rtl.h: Update copyright date. + (RTL_CHECK1): Wrap long line. + (RTL_CHECK2): Likewise. + (RTL_CHECKC1): Wrap long line and whitespace. + (RTL_CHECKC2): Likewise. + (XWINT): Whitespace. + (XINT): Likewise. + (XSTR): Likewise. + (XEXP): Likewise. + (XVEC): Likewise. + (XMODE): Likewise. + (XBITMAP): Likewise. + (XTREE): Likewise. + (XBBDEF): Likewise. + (XTMPL): Likewise. + (X0WINT): Likewise. + (X0INT):Likewise. + (X0UINT): Likewise. + (X0STR): Likewise. + (X0EXP): Likewise. + (X0VEC): Likewise. + (X0MODE): Likewise. + (X0BITMAP): Likewise. + (X0TREE): Likewise. + (X0BBDEF): Likewise. + (X0ADVFLAGS): Likewise. + (X0CSELIB): Likewise. + (X0MEMATTR): Likewise. + (XCWINT): Likewise. + (XCINT): Likewise. + (XCUINT): Likewise. + (XCSTR): Likewise. + (XCEXP): Likewise. + (XCVEC): Likewise. + (XCMODE): Likewise. + (XCBITMAP): Likewise. + (XCTREE): Likewise. + (XCBBDEF): Likewise. + (XCADVFLAGS): Likewise. + (XCCSELIB): Likewise. + (XC2EXP): Likewise. + (INSN_UID): Likewise. + (PREV_INSN): Likewise. + (PATTERN): Likewise. + (INSN_CODE): Likewise. + (PUT_REG_NOTE_KIND): Likewise. + (CODE_LABEL_NUMBER): Likewise. + (NOTE_SOURCE_FILE): Likewise. + (NOTE_BLOCK): Likewise. + (NOTE_EH_HANDLER): Likewise. + (NOTE_RANGE_INFO): Likewise. + (NOTE_LIVE_INFO): Likewise. + (NOTE_BASIC_BLOCK): Likewise. + (NOTE_EXPECTED_VALUE): Likewise. + (NOTE_LINE_NUMBER): Likewise. + (LABEL_NAME): Likewise. + (LABEL_NUSES): Likewise. + (LABEL_ALTERNATE_NAME): Likewise. + (ADDRESSOF_DECL): Likewise. + (JUMP_LABEL): Likewise. + (LABEL_NEXTREF): Likewise. + (REGNO): Likewise. + (ORIGINAL_REGNO: Likewise. + (HARD_REGISTER_NUM_P): Add parenthesis. + (SUBREG_REG): Whitespace. + (SUBREG_BYTE): Likewise. + (ASM_OPERANDS_TEMPLATE): Remove parenthesis. + (ASM_OPERANDS_OUTPUT_CONSTRAINT): Likewise. + (ASM_OPERANDS_OUTPUT_IDX): Likewise. + (ASM_OPERANDS_INPUT_VEC): Likewise. + (ASM_OPERANDS_INPUT_CONSTRAINT_VEC): Likewise. + (ASM_OPERANDS_INPUT): Likewise. + (ASM_OPERANDS_INPUT_LENGTH): Likewise. + (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): Likewise. + (ASM_OPERANDS_INPUT_CONSTRAINT): Likewise. + (ASM_OPERANDS_INPUT_MODE): Likewise. + (ASM_OPERANDS_SOURCE_FILE): Likewise. + (ASM_OPERANDS_SOURCE_LINE): Likewise. + (MEM_SET_IN_STRUCT_P): Minor reformat. + (TRAP_CONDITION): Whitespace. + (TRAP_CODE): Likewise. + (COND_EXEC_TEST): Likewise. + (COND_EXEC_CODE): Likewise. + (FIND_REG_INC_NOTE): Uppercase macro args and add parenthesis. + (PHI_NODE_P): Add parenthesis. + (plus_constant): Whitespace and add parenthesis. + +2002-01-03 Kazu Hirata <kazu@hxi.com> + + * config/avr/avr.c: Fix comment typos. + * config/c4x/c4x.md: Likewise. + * config/dsp16xx/dsp16xx.h: Likewise. + * config/dsp16xx/dsp16xx.md: Likewise. + * config/i386/i386.md: Likewise. + * config/ia64/ia64.c: Likewise. + * config/m32r/m32r.h: Likewise. + * config/m68hc11/m68hc11.md: Likewise. + * config/mmix/mmix.c: Likewise. + * config/mn10200/mn10200.c: Likewise. + * config/romp/romp.c: Likewise. + * config/sh/sh.c: Likewise. + * config/stormy16/stormy16.c: Likewise. + * config/stormy16/stormy16.h: Likewise. + * config/stormy16/stormy16.md: Likewise. + +2002-01-03 Graham Stott <grahams@redhat.com> + + * loop.h: Update copyright date. + (LOOP_MOVABLES): Fix typo. + (LOOP_REGS): Likewise. + (LOOP_IVS): Likewise. + +2002-01-03 Graham Stott <grahams@redhat.com> + + * cppinit.c: Update copyright date. + Don't include output.h + * Makefile.in: Update copyright date. + Update dependency. + +2002-01-02 Craig Rodrigues <rodrigc@gcc.gnu.org> + + PR c/5226 + * invoke.texi (-mthreads): Remove from documented RS/6000 options. + (-pthread) Add to RS/6000 options. + +2002-01-02 Kazu Hirata <kazu@hxi.com> + + * except.c: Fix comment typos. + * loop.c: Likewise. + * varasm.c: Likewise. + * doc/tm.texi: Fix a typo. + +2002-01-02 Jakub Jelinek <jakub@redhat.com> + + * c-typeck.c (output_init_element): Allow initializing static storage + duration objects with compound literals. + +2002-01-02 Richard Henderson <rth@redhat.com> + + * objc/objc-act.c (hack_method_prototype): Clear current_function_decl + after abusing it. + +2002-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * gcc.c (default_compilers): Const-ify. + * mips-tdump.c (stab_names): Likewise. + * mips-tfile.c (map_coff_types, map_coff_storage, + map_coff_sym_type, map_coff_derived_type, stabs_symbol, + pseudo_ops_t, pseudo_ops): Likewise. + * protoize.c (default_include): Likewise + + * real.c (GET_REAL, PUT_REAL): Don't cast away const-ness. + (ezero, ehalf, eone, etwo, e32, elog2, esqrt2, epi): Const-ify. + Add array size in declaration. + (endian, emov, eisneg, eisinf, eisnan, eiisnan, eiisneg, emovi, + emovo, emovz, eiisinf, ecmpm, eaddm, esubm, m16m, edivm, emulm, + esub, eadd, eadd1, ediv, emul, e53toe, e64toe, e113toe, e24toe, + etoe113, etoe64, etoe53, etoe24, ecmp, eround, ltoe, ultoe, + eifrac, euifrac, e24toasc, e53toasc, e64toasc, e113toasc, etoasc, + efloor, efrexp, eldexp, eremain, dectoe, etodec, ibmtoe, etoibm, + c4xtoe, etoc4x, uditoe, ditoe, etoudi, etodi, esqrt, etens, + emtens, make_nan): Const-ify. + (TFbignan, TFlittlenan, XFbignan, XFlittlenan, DFbignan, + DFlittlenan, SFbignan, SFlittlenan): Make static and const-ify. + +2002-01-02 Joseph S. Myers <jsm28@cam.ac.uk> + + * config.gcc (ia64-*-*): Set extra_headers. + (alpha*-dec-osf*): Likewise. Don't use alpha/t-osf. + * config/alpha/t-osf: Remove. + * config/ia64/t-ia64 (EXTRA_HEADERS): Remove. + +2002-01-02 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/t-aix43: Revert previous change. + +2002-01-02 Jason Merrill <jason@redhat.com> + + * c-decl.c (c_expand_body): Call outlining_inline_function when + emitting an inline function out of line. + +2002-01-02 Richard Henderson <rth@redhat.com> + + * dwarf2out.c (limbo_die_node): Add created_for member. + (new_die): New argument created_for. Update all callers. + (mark_limbo_die_list): New. + (dwarf2out_init): Register limbo_die_list as a root. + (dwarf2out_finish): Force insert limbo dies into their function + context. + +2002-01-02 Nathan Sidwell <nathan@codesourcery.com> + + PR c++/5089 + * doc/invoke.texi (-Wold-style-cast): Only warn about non-void casts. + +2002-01-02 Kazu Hirata <kazu@hxi.com> + + * config/h8300/fixunssfsi.c: Update copyright. + Fix comment typos. + Fix formatting. + * config/h8300/h8300.c: Update copyright. + Eliminate warnings. + +2002-01-02 Kazu Hirata <kazu@hxi.com> + + * config/romp/romp.c: Fix comment formatting. + * config/romp/romp.h: Likewise. + * config/romp/romp.md: Likewise. + * config/s390/s390.c: Likewise. + * config/stormy16/stormy16.c: Likewise. + * config/stormy16/stormy16.h: Likewise. + +2002-01-02 Alexandre Oliva <aoliva@redhat.com> + + * c-common.h (genrtl_expr_stmt_value): Declare. + * c-semantics.c (genrtl_goto_stmt): Redirect to... + (genrtl_goto_stmt_value): ... this new function. Pass new + argument down to expand_expr_stmt_value, taking + TREE_ADDRESSABLE into account. + * c-common.c (c_expand_expr): Mark the last EXPR_STMT of a + STMT_EXPR as addressable, i.e., one whose result we want. + * expr.c (expand_expr): Don't save expression statement value + of labeled_blocks or loop_exprs. + * stmt.c (expand_expr_stmt): Redirect to... + (expand_expr_stmt_value): ... this new function. Use new + argument to tell whether to save expression value. + (expand_end_stmt_expr): Reset last_expr_type and + last_expr_value if we don't have either. + * tree-inline.c (declare_return_variable): Mark its use + statement as addressable. + * tree.h: Document new use of TREE_ADDRESSABLE. + (expand_expr_stmt_value): Declare. + +2002-01-01 Tom Rix <trix@redhat.com> + + * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Fix for use by + rs6000_emit_allocate_stack. + +2002-01-01 Joseph S. Myers <jsm28@cam.ac.uk> + + * configure.in: Prepend ${srcdir}/config/${cpu_type}/ instead of + ${srcdir}/ginclude/ to every entry in extra_headers. + * configure: Regenerate. + * ginclude/math-3300.h: Rename to config/m68k/math-3300.h. + * ginclude/math-68881.h: Rename to config/m68k/math-68881.h. + * ginclude/ppc-asm.h: Rename to config/rs6000/ppc-asm.h. + * ginclude/proto.h: Rename to config/convex/proto.h. + +Tue Jan 1 17:12:56 2002 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * attribs.c (handle_vector_size_attribute): Use host_integerp + and tree_int_cst; remove warnings. + * caller-save.c (insert_restore): Add cast to get rid of warning. + (insert_save): Likewise. + * emit-rtl.c (adjust_address_1, offset_address): Likewise. + * regmove.c (find_matches): Add temporary var to kill a warning. + +2002-01-01 Douglas B Rupp <rupp@gnat.com> + + * config/alpha/vms.h (DWARF2_UNWIND_INFO, EH_RETURN_HANDLER_RTX, + LINK_EH_SPEC, MD_FALLBACK_FRAME_STATE_FOR): Define. + * config/alpha/t-vms (EXTRA_PARTS): Add vms-dwarf2eh.o + (vms-dwarf2eh.o): Add Makefile rule. + * config/alpha/vms-ld.c (main): Handle vms-dwarf2eh.o. + * config/alpha/vms-dwarf2eh.asm: New file. + + * gcc.c (delete_if_ordinary): Delete all versions. + +2002-01-01 Hans-Peter Nilsson <hp@bitrange.com> + + * config/mmix/mmix.md: Update FIXME to not mention + define_constants. + (MMIX_rJ_REGNUM): New define_constants constant. + ("movqi", "movsi", "movdi", "*movdicc_real_foldable", + "*movdicc_real"): Adjust contraints formatting. + ("*bCC_foldable"): Add %+ for P in output format and delete FIXME + for branch prediction. + ("*bCC", "*bCC_inverted_foldable", "*bCC_inverted"): Add %+ in + output template. + ("*call_real", "*call_value_real", "nonlocal_goto_receiver", + "*nonlocal_goto_receiver_expanded"): Use MMIX_rJ_REGNUM instead of + number. Delete related FIXMEs. + * config/mmix/mmix.h (MMIX_INCOMING_RETURN_ADDRESS_REGNUM): Change + from number to MMIX_rJ_REGNUM. + (TARGET_MASK_BRANCH_PREDICT): New. + (TARGET_DEFAULT): Change to TARGET_MASK_BRANCH_PREDICT. + (TARGET_SWITCHES): Update comment. Correct -mno-toplevel-symbols + value. Add -mbranch-predict and -mno-branch-predict. + (TARGET_VERSION): Drop date. + (ADDITIONAL_REGISTER_NAMES): Use MMIX_rJ_REGNUM, not number. + * config/mmix/mmix.c (mmix_encode_section_info): Correct condition + for finding out global symbols. + (mmix_asm_output_labelref): Revert condition for global symbol. + (mmix_print_operand): <case '+'>: Emit P for a likely branch. + (mmix_print_operand_punct_valid_p): A '+' is valid. + +See ChangeLog.6 for earlier changes. |
