diff options
| author | obrien <obrien@FreeBSD.org> | 2002-02-01 18:16:02 +0000 |
|---|---|---|
| committer | obrien <obrien@FreeBSD.org> | 2002-02-01 18:16:02 +0000 |
| commit | c9ab9ae440a8066b2c2b85b157b1fdadcf09916a (patch) | |
| tree | 086d9d6c8fbd4fc8fe4495059332f66bc0f8d12b /contrib/gcc/ChangeLog.5 | |
| parent | 2ecfd8bd04b63f335c1ec6295740a4bfd97a4fa6 (diff) | |
| download | FreeBSD-src-c9ab9ae440a8066b2c2b85b157b1fdadcf09916a.zip FreeBSD-src-c9ab9ae440a8066b2c2b85b157b1fdadcf09916a.tar.gz | |
Enlist the FreeBSD-CURRENT users as testers of what is to become Gcc 3.1.0.
These bits are taken from the FSF anoncvs repo on 1-Feb-2002 08:20 PST.
Diffstat (limited to 'contrib/gcc/ChangeLog.5')
| -rw-r--r-- | contrib/gcc/ChangeLog.5 | 14446 |
1 files changed, 14446 insertions, 0 deletions
diff --git a/contrib/gcc/ChangeLog.5 b/contrib/gcc/ChangeLog.5 new file mode 100644 index 0000000..40eccd1 --- /dev/null +++ b/contrib/gcc/ChangeLog.5 @@ -0,0 +1,14446 @@ +2001-06-30 Zack Weinberg <zackw@stanford.edu> + + * rtl.def (DEFINE_INSN, DEFINE_INSN_AND_SPLIT, DEFINE_PEEPHOLE): + Change output-template slot to format 'T'. + * rtl.h (XTMPL): New. + * read-rtl.c (read_escape): New function. + (read_quoted_string, read_braced_string): Use it. + (read_rtx): Set star_if_braced from the format string. + Use XTMPL where appropriate. + * genoutput.c (gen_insn, gen_peephole): Use XTMPL to get the + template string. + + * rtl.c: Include errors.h for sake of rtl_check_failed* routines. + Document 'T' in rtx format strings. + * Makefile.in (rtl.o, $(HOST_PREFIX_1)rtl.o): Depend on errors.h. + * errors.c (internal_error): Add missing ": " at end of string. + + * i860.md: Change triple backslashes to double backslashes at + ends of lines in output templates. + * ns32k.md: Remove stray backslash-newline in output template. + +2001-06-29 Nick Clifton <nickc@cambridge.redhat.com> + + * gcc.c (process_command): Append a DIR_SEPARATOR to a path + specified by the -B switch, if doing so would create a valid + directory name. + * doc/invoke.texi: Document changed behaviour of -B. + +2001-06-29 DJ Delorie <dj@redhat.com> + + * simplify-rtx.c (simplify_subreg): When simplifying a CONCAT, at + least get rid of the CONCAT if we can't simplify further. + +Fri Jun 29 12:27:24 2001 Jeffrey A Law (law@cygnus.com) + + * simplify-rtx.c (simplify_rtx): Use swap_commutative_operands_p. + + * doc/gcc.texi (Passes): Update due to recent -fdce -> -fssa-dce + changes. Fix documentation for SSA DCE pass. + + * ssa-dce.c (ssa_eliminate_dead_code): Renamed from + eliminate_date_code. + * ssa.h (ssa_eliminate_dead_code): Corresponding changes. + * timevar.def (TV_SSA_DCE): Renamed from TV_DEAD_CODE_ELIM. + * toplev.c (DFI_ssa_dce): Renamed from DFI_dce. + (dump_file_info): Similar changes. + (flag_ssa_dce): Similarly + (f_options): Similar changes. + (rest_of_compilation): Corresponding changes. + * doc/invoke.texi: Update as option is now -fssa-dce instead + of -fdce. Update dump file name. + + * ssa-dce.c (note_inherently_necessary_set): New function. + (find_inherently_necessary): Use it. Do not consider + NOTEs, CODE_LABELs or BARRIERS are necessary. Improve + handling of asms and unspecs. + (delete_insn_bb): Only delete INSNs, CALL_INSNs or JUMP_INSNs. + +2001-06-29 Joseph S. Myers <jsm28@cam.ac.uk> + + * target.h (struct gcc_target): Add comp_type_attributes and + set_default_type_attributes. + * target-def.h (TARGET_COMP_TYPE_ATTRIBUTES, + TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Define. + (TARGET_INITIALIZER): Update. + * doc/tm.texi (COMP_TYPE_ATTRIBUTES, TARGET_COMP_TYPE_ATTRIBUTES, + SET_DEFAULT_TYPE_ATTRIBUTES, TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): + Update documentation of old target macros to describe new target + hooks. + * tree.c (make_node): Use target.set_default_type_attributes. + (default_comp_type_attributes, + default_set_default_type_attributes): New functions. + * tree.h (default_comp_type_attributes, + default_set_default_type_attributes): Declare. + * c-typeck.c (COMP_TYPE_ATTRIBUTES): Don't define. + (comptypes): Use target.comp_type_attributes. + * config/arc/arc-protos.h, config/arc/arc.c, config/arc/arc.h + (arc_comp_type_attributes, arc_set_default_type_attributes, + COMP_TYPE_ATTRIBUTES, SET_DEFAULT_TYPE_ATTRIBUTES): Remove + functions and macros with default behaviour. + * config/m32r/m32r-protos.h, config/m32r/m32r.c, + config/m32r/m32r.h (m32r_comp_type_attributes, + m32r_set_default_type_attributes, COMP_TYPE_ATTRIBUTES, + SET_DEFAULT_TYPE_ATTRIBUTES): Likewise. + * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c, + config/m68hc11/m68hc11.h (m68hc11_comp_type_attributes, + m68hc11_set_default_type_attributes, COMP_TYPE_ATTRIBUTES, + SET_DEFAULT_TYPE_ATTRIBUTES): Likewise. + * config/ns32k/ns32k-protos.h, config/ns32k/ns32k.c, + config/ns32k/ns32k.h (ns32k_comp_type_attributes, + COMP_TYPE_ATTRIBUTES): Likewise. + * config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c, + config/rs6000/rs6000.h (rs6000_comp_type_attributes, + rs6000_set_default_type_attributes, COMP_TYPE_ATTRIBUTES, + SET_DEFAULT_TYPE_ATTRIBUTES): Likewise. + * config/d30v/d30v.h (COMP_TYPE_ATTRIBUTES, + SET_DEFAULT_TYPE_ATTRIBUTES): Remove commented out macro + definitions. + * config/i386/i386.h (SET_DEFAULT_TYPE_ATTRIBUTES): Likewise. + * config/ns32k/ns32k.h (SET_DEFAULT_TYPE_ATTRIBUTES): Likewise. + * config/arm/arm.c (arm_comp_type_attributes, + arm_set_default_type_attributes): Make static. + (TARGET_COMP_TYPE_ATTRIBUTES, TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): + Define. + * config/arm/arm.h (COMP_TYPE_ATTRIBUTES, + SET_DEFAULT_TYPE_ATTRIBUTES): Don't define. + * config/arm/arm-protos.h (arm_comp_type_attributes, + arm_set_default_type_attributes): Don't declare. + * config/i386/i386.c (ix86_comp_type_attributes): Make static. + (TARGET_COMP_TYPE_ATTRIBUTES): Define. + * config/i386/i386.h (COMP_TYPE_ATTRIBUTES): Don't define. + * config/i386/i386-protos.h (ix86_comp_type_attributes): Don't + declare. + +2001-06-28 Jan van Male <jan.vanmale@fenk.wau.nl> + + * predict.c (dump_prediction): Eliminate fprintf warning. + +2001-06-28 Diego Novillo <dnovillo@redhat.com> + + * flow.c (dump_bb): Remove unused third argument to call + to fprintf when displaying the basic block header. + +2001-06-28 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + Jeff Law <law@redhat.com> + + * Makefile.in (OBJS): Add df.o + (df.o): Add dependencies. + * basic-block.h (flow_depth_first_order_compute): Declare. + * flow.c (flow_depth_first_order_compute): No longer declare. + Make external. + * df.c, df.h: New files. + +2001-06-28 Zack Weinberg <zackw@stanford.edu> + + * config/i386/i386.md: Global update to use new string syntax + where it will improve readability. Warning fixes: + (*truncdfsf2_2): Abort if which_alternative is not 0 or 1. + (*adddi_1_rex64, *adddi_2_rex64, *adddi_3_rex64, + *adddi_4_rex64, *adddi_5_rex64): Cast 1 to unsigned int. + + * read-rtl.c: Syntactic sugar for C embedded in strings in + machine descriptions. + (read_string): Break inner loop into separate function. Takes + an int. Dispatch to read_quoted_string or read_braced_string + as appropriate. Automatically insert a leading star on braced + strings if STAR_IF_BRACED is true. + (read_quoted_string, read_braced_string): New functions. + * doc/rtl.texi, doc/md.texi: Document new syntax. Update + examples to match. + + * rtl.c: Split RTL reader (read_rtx, read_skip_spaces, + traverse_md_constants, fatal_with_file_and_line, + fatal_expected_char, read_name, read_string, def_hash, + def_name_eq_p, read_constants, and related data) to its own + file. Weed out now-unnecessary #includes. + * read-rtl.c: New file. + * Makefile.in (HOST_RTL): Add read-rtl.o. + (read-rtl.o): New rule. + (rtl.o, $(HOST_PREFIX_1)rtl.o): Update dependencies. + * doc/gcc.texi (Passes): Talk briefly about the support + library used by genfoo. + * doc/rtl.texi (Reading RTL): read_rtx is not available in the + compiler itself. + +2001-06-28 Stan Shebs <shebs@apple.com> + + * config/darwin.h (REGISTER_TARGET_PRAGMAS): Define. + * config/darwin-c.c: New file. + * config/darwin-protos.h: Declare new functions. + * config/rs6000/t-darwin (darwin-c.o): New rule. + * config.gcc (powerpc-*-darwin*): Define c_target_objs and + cxx_target_objs. + * doc/extend.texi (Pragmas): New section. + +Thu Jun 28 20:13:11 CEST 2001 Jan Hubicka <jh@suse.cz> + + * flow.c (try_merge_block): Rename to try_optimize_cfg; + do basic simplifications on the CFG. + (is_forwarder_block_p, can_fallthru, try_redirect_by_replacing_jump, + try_simplify_condjump): New. + (redirect_edge_and_branch): Try replace jump insn. + (flow_delete_insn): Handle deleting of ADDR_VEC insns. + + * basic-block.h (FALLTHRU_EDGE, BRANCH_EDGE): New macros. + +Thu Jun 28 11:19:42 2001 Jeffrey A Law (law@cygnus.com) + + * ssa-dce.c (eliminate_dead_code): Properly handle control + dependencies implied by PHI nodes. + + * ssa-dce.c (eliminate_dead_code): Remove fake edges from the + CFG after dead code elimination is complete. + +2001-06-28 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * gthr-posix.h [LIBOBJC]: Add weak definitions of + sched_get_priority_max, sched_get_priority_min. + +2001-06-28 Gabriel Dos Reis <gdr@codesourcery.com> + + * diagnostic.c (default_print_error_function): Tweak. + (report_error_function): Likewise. + * toplev.h (default_print_error_function): Move to... + * diagnostic.h: ...here. Add a `diagnostic_context *' parameter. + * tree.h (print_error_function): Move to... + * diagnostic.h: ...here. Add a `diagnostic_context *' parameter. + +Thu Jun 28 06:16:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (expand_assignment): When have varying-length object, + make MEM a BLKmode. + (expand_expr, case ADDR_EXPR): Use SAVE_EXPR_RTL after putting + SAVE_EXPR stack in case we had a SUBREG. + +Thu Jun 28 10:31:06 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (cmp?i): Simplify; refuse immediate operand + in alternative 0 + * i386.c (cmpsi_operand): Refuse constants. + + * i386.md (movsi_insv_1, movsi_insv_1_rex64): Allow immediate operand. + + * flow.c (block_label, redirect_edge_and_branch): Split out from .... + (split_edge) .... here; + +2001-06-28 Neil Booth <neil@cat.daikokuya.demon.co.uk> + + * i386/i386.c (ix86_valid_type_attribute_p): Give external + linkage, move declaration to... + * i386/i386-protos.h: ...here. + +2001-06-27 H.J. Lu (hjl@gnu.org) + + * build-make (CC): Removed. + (HOST_CC): Set to $(CC_FOR_BUILD). + (HOST_CFLAGS): Replace $(CFLAGS) with $(CFLAGS_FOR_BUILD). + Fix a typo in comments. + + * configure.in: Set CFLAGS to $(CFLAGS_FOR_BUILD) when + generating auto-build.h for canadian cross compile. Set CC + to `"${CC_FOR_BUILD}"' instead of just `${CC_FOR_BUILD}'. + Save/restore CFLAGS. + * configure: Regenerated. + +2001-06-27 Jim Wilson <wilson@redhat.com> + + * emit-rtl.c (gen_highpart): Call validize_mem. + +2001-06-27 Bruce Korb <bkorb@gnu.org> + + * fixinc/inclhack.def(hpux11_cpp_pow_inline): new, but real similar to + hpux10_cpp_pow_inline. Not similar enough. + (solaris_mutex_init): renamed. PTHREAD_*_INITIALIZER is a problem for + all Solaris versions. This fix patches MUTEX and COND initializers, + the RWLOCK one will wait for someone to complain. For now, anyway. + (uw7_byteorder_fix): It was looking for the byteorder.h file in the + wrong directory. + +2001-06-27 Stan Shebs <shebs@apple.com> + + * objc/objc-act.c (handle_impent): Rewrite to be more portable + and to use ASM_DECLARE_CLASS_REFERENCE. + * config/darwin.h (ASM_DECLARE_CLASS_REFERENCE): Rename from + undocumented DECLARE_CLASS_REFERENCE, add file argument. + * doc/tm.texi (ASM_DECLARE_CLASS_REFERENCE): Document. + +Wed Jun 27 18:01:09 2001 Jeffrey A Law (law@cygnus.com) + + * simplify-rtx.c (simplify_rtx): Canonicalize commutative expressions + by putting complex operands first and constants second. + +2001-06-27 Gabriel Dos Reis <gdr@codesourcery.com> + + * diagnostic.h: Add documentation. Make macros polymorphic. + * diagnostic.c (ideal_line_wrap_cutoff): Remove + definition. Replace with diagnostic_line_cutoff. + (prefixing_policy): Remove. Replace with diagnostic_prefixing_rule. + +2001-06-27 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/c-tree.texi, doc/contrib.texi, doc/cpp.texi, + doc/cppinternals.texi, doc/extend.texi, doc/gcc.texi, + doc/gcov.texi, doc/install-old.texi, doc/install.texi, + doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Replace + . at end of sentences preceded by a capital letter with @.. + +2001-06-26 Daniel Berlin <dan@cgsoftware.com> + + * doc/invoke.texi: Add description of max-gcse-passes param. + + * gcse.c (gcse_main): Use MAX_GCSE_PASSES instead of MAX_PASSES. + (MAX_PASSES): Remove now unneeded macro. + + * params.h (MAX_GCSE_PASSES): New macro, to get parameter value of + max-gcse-passes param. + + * params.def (PARAM_MAX_GCSE_PASSES): New parameter, controlling + maximum number of GCSE passes to run. Defaults to 1 (which is what + MAX_PASSES in gcse.c used to be). + +2001-06-27 Neil Booth <neil@cat.daikokuya.demon.co.uk> + + * system.h (TARGET_ESC): Move to ... + * defaults.h (TARGET_ESC): ... here. + * target-def.h (TARGET_VALID_DECL_ATTRIBUTE, + TARGET_VALID_TYPE_ATTRIBUTE): Default to a no-op handler. + * tree.c (default_valid_attribute_p): New. + (valid_machine_attribute): Handlers can not be NULL. + * tree.h (default_valid_attribute_p): New. + * doc/tm.texi: Document TARGET_ESC. + * cp/decl2.c (import_export_class): Update. + +2001-06-26 Bruce Korb <bkorb@gnu.org> + + * gcc/fixinc/fixincl.c(initialize): In very strict ANSI, you cannot + use preprocessing directives inside a string literal. Fixed. + +2001-06-26 Jim Wilson <wilson@redhat.com> + + * doc/tm.texi (MAX_LONG_DOUBLE_TYPE_SIZE, INTEL_EXTENDED_IEEE_FORMAT): + Document. + +2001-06-27 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/cpp.texi, doc/cppinternals.texi, doc/extend.texi, + doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi, + doc/tm.texi: Use @: where necessary when a full stop does not end + a sentence. + +2001-06-27 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/gcc.texi, doc/install.texi, doc/invoke.texi: Remove trailing + whitespace. + +2001-06-26 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/c-tree.texi, doc/cpp.texi, doc/extend.texi, doc/gcc.texi, + doc/install.texi, doc/invoke.texi, doc/objc.texi, doc/rtl.texi, + doc/tm.texi: Use two spaces after ends of sentences. + +2001-06-26 Daniel Berlin <dan@cgsoftware.com> + + * toplev.c (display_help): Fix param thinko. + * Makefile.in: Fix params.h dependencies. + +2001-06-26 Gabriel Dos Reis <gdr@codesourcery.com> + + * toplev.c (decode_f_option): Adjust setting. + (toplev_main): Call diagnostic_initialize. Remove call to + reshape_diagnostic_buffer._ + + * diagnostic.h (struct output_buffer): Add new field format_decoder. + (diagnostic_format_decoder): New macro. + (diagnostic_prefixing_rule): Likewise. + (diagnostic_line_cutoff): Likewise. + (set_message_prefixing_rule): Remove. + + * diagnostic.c (lang_printer): Remove. + (diagnostic_message_length_per_line): Likewise. + (current_prefixing_rule): Likewise. + (initialize_diagnostics): Rename to... + (diagnostic_initialize): ...this. Tweak. + (default_initialize_buffer): Remove. + (reshape_diagnostic_buffer): Likewise. + (init_output_buffer): Adjust prefixing rule setting. + (output_format): Use format_decoder from the output_buffer. + + * c-lang.c (c_init): Adjust tree formatter setting. + +2001-06-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * config/i386/sol2.h (CPP_SPEC): Pass -P for .S files. + +2001-06-26 Neil Booth <neil@daikokuya.demon.co.uk> + + * Makefile.in (TARGET_H, TARGET_DEF_H): New. + (c-decl.o, tree.o, c-typeck.o, $(out_object_file)): Update. + * c-decl.c (duplicate_decls): Use function pointer. + * c-typeck.c (common_type): Similarly. + * tree.c (valid_machine_attribute): Similarly. + (merge_machine_type_attributes): Rename merge_type_attributes. + (merge_machine_decl_attributes): Rename merge_decl_attributes. + (merge_dllimport_decl_attributes): New function. + * tree.h (merge_machine_type_attributes): Rename merge_type_attributes. + (merge_machine_decl_attributes): Rename merge_decl_attributes. + (merge_dllimport_decl_attributes): New prototype. + * target.h: New. + * target-def.h: New. + +doc: (Joseph Myers) + * doc/gcc.texi, doc/tm.texi: Update documentation. + +cp: Make-lang.in: Update dependencies. + * spew.c: Include target.h. + (duplicate_decls): Call target function. + * decl2.c: include target.h + (import_export_class): Use existence of target function pointer. + * typeck.c: Include target.h. + (qualify_type_recursive): Rename variable. Call target function. + (type_after_usual_arithmetic_conversions): Similarly. + (common_type): Similarly. + +config: * 1750a/1750a.c, a29k/29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c, + avr/avr.c, c4x/c4x.c, clipper/clipper.c, convex/convex.c, + d30v/d30v.c, dsp16xx/dsp16xx.c, elxsi/elxsi.c, fr30/fr30.c, + i370/i370.c, i386/i386.c, i860/i860.c, i960/i960.c, ia64/ia64.c, + m32r/m32r.c, m68hc11/m68hc11.c, m68k/m68k.c, m88k/m88k.c, + mips/mips.c, mn10200/mn10200.c, mn10300/mn10300.c, ns32k/ns32k.c, + pa/pa.c, pdp11/pdp11.c, pj/pj.c, romp/romp.c, rs6000/rs6000.c, + sh/sh.c, sparc/sparc.c, v850/v850.c, vax/vax.c, we32k/we32k.c) + : Include target.h and target-def.h. Define target. + + * arc/arc-protos.h (arc_valid_machine_decl_attribute): Remove. + * arc/arc.c (arc_valid_machine_decl_attribute): Rename + arc_valid_decl_attribute, make static. + * arc/arc.h (VALID_MACHINE_TYPE_ATTRIBUTE): Remove. + * arm/arm-protos.h (arm_valid_machine_decl_attribute, + arm_valid_type_attribute_p, arm_pe_valid_machine_decl_attribute, + arm_pe_merge_machine_decl_attributes): Remove. + * arm/arm.c (arm_valid_machine_decl_attribute_p): Rename + arm_valid_decl_attribute_p, make static. + (arm_pe_valid_decl_attribute_p): Move from pe.c. + * arm/pe.c (arm_pe_valid_machine_decl_attribute_p): Move to arm.c. + (arm_pe_merge_machine_decl_attributes): Move to tree.c. + * arm/arm.h (VALID_MACHINE_TYPE_ATTRIBUTE): Remove. + * arm/coff.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove. + * arm/elf.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove. + * arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): New. + (VALID_MACHINE_TYPE_ATTRIBUTE, VALID_MACHINE_DECL_ATTRIBUTE): Remove. + * avr/avr-protos.h (valid_machine_type_attribute, + valid_machine_decl_attribute): Remove. + * avr/avr.c (valid_machine_type_attribute, + valid_machine_decl_attribute): Rename and make static. + * avr/avr.h (VALID_MACHINE_TYPE_ATTRIBUTE, + VALID_MACHINE_DECL_ATTRIBUTE): Remove. + * c4x/c4x-protos.h (c4x_valid_type_attribute_p): Remove. + * c4x/c4x.c (c4x_valid_type_attribute_p): Make static. + * c4x/c4x.h (VALID_MACHINE_TYPE_ATTRIBUTE): Remove. + * d30v/d30v.h: Remove obsolete comments. + * h8300/h8300-protos.h (h8300_valid_machine_decl_attribute): Remove. + * h8300/h8300.c (h8300_valid_machine_decl_attribute): Rename, make + static. + * h8300/h8300.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove. + * i386/cygwin.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define. + (i386_pe_merge_decl_attributes, MERGE_MACHINE_DECL_ATTRIBUTES, + i386_pe_valid_type_attributes_p): Remove. + * i386/i386-protos.h (ix86_valid_decl_attribute_p, + ix86_valid_type_attribute_p): Remove. + * i386/i386.c (ix86_valid_decl_attribute_p): Remove. + (ix86_valid_type_attribute_p): Make static. + * i386/i386.h (VALID_MACHINE_DECL_ATTRIBUTE, + VALID_MACHINE_TYPE_ATTRIBUTE): Remove. + * i386/winnt.c (i386_pe_merge_decl_attributes): Move to tree.c. + * ia64/ia64-protos.h (ia64_valid_type_attribute): Remove. + * ia64/ia64.c (ia64_valid_type_attribute): Make static. + * ia64/ia64.h (VALID_MACHINE_TYPE_ATTRIBUTE): Remove. + * m32r/m32r-protos.h (m32r_valid_machine_decl_attribute): Remove. + * m32r/m32r.c (m32r_valid_decl_attribute): Make static. + * m32r/m32r.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove. + * m68hc11/m68hc11-protos.h (m68hc11_valid_decl_attribute_p, + m68hc11_valid_type_attribute_p): Remove. + * m68hc11/m68hc11.c (m68hc11_valid_decl_attribute_p): Remove. + (m68hc11_valid_type_attribute_p): Make static. + * m68hc11/m68hc11.h (VALID_MACHINE_DECL_ATTRIBUTE, + VALID_MACHINE_TYPE_ATTRIBUTE): Remove. + * mcore/mcore-protos.h (mcore_valid_machine_decl_attribute, + mcore_merge_machine_decl_attribute): Remove. + * mcore/mcore.c (mcore_valid_machine_decl_attribute): Rename, + make static. + (mcore_merge_machine_decl_attributes): Move to tree.c. + * mcore/mcore.h (VALID_MACHINE_DECL_ATTRIBUTE, + VALID_MACHINE_TYPE_ATTRIBUTE): Remove. + (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define. + * ns32k/ns32k-protos.h (ns32k_valid_decl_attribute_p, + ns32k_valid_type_attribute_p): Remove. + * ns32k/ns32k.c (ns32k_valid_decl_attribute_p): Remove. + (ns32k_valid_type_attribute_p): Make static. + * ns32k/ns32k.h (VALID_MACHINE_DECL_ATTRIBUTE, + VALID_MACHINE_TYPE_ATTRIBUTE): Remove. + * rs6000/rs6000-protos.h (rs6000_valid_decl_attribute_p, + rs6000_valid_type_attribute_p): Remove. + * rs6000/rs6000.c (rs6000_valid_decl_attribute_p): Remove. + (rs6000_valid_type_attribute_p): Make static. + * rs6000/rs6000.h (VALID_MACHINE_DECL_ATTRIBUTE, + VALID_MACHINE_TYPE_ATTRIBUTE): Remove. + * sh/sh-protos.h (sh_valid_machine_decl_attribute): Remove. + * sh/sh.c (sh_valid_machine_decl_attribute): Rename, make static. + * sh/sh.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove. + * v850/v850-protos.h (v850_valid_machine_decl_attribute): Remove. + * v850/v850.c (v850_valid_machine_decl_attribute): Rename, make static. + * v850/v850.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove. + +2001-06-26 Vladimir Makarov <vmakarov@toke.toronto.redhat.com> + + * glimits.h (USHRT_MAX): Use unsigned suffix if int can not hold + it. + +2001-06-26 Gabriel Dos Reis <gdr@codesourcery.com> + + * diagnostic.h (struct diagnostic_context): Add new field. + (lang_diagnostic_starter, lang_diagnostic_finalizer): Remove + declaratons. + (global_dc): Declare. + * diagnostic.c (global_diagnostic_context): New variable. + (global_output_buffer): Remove. + (global_dc): Define. + (lang_diagnostic_starter, lang_diagnostic_finalizer): Remove + definitions. + (initialize_diagnostics): Adjust initialization. + (set_diagnostic_context): Adjust setting. + +2001-06-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * config/mips/iris5.h (UNALIGNED_INT_ASM_OP, + UNALIGNED_SHORT_ASM_OP): Define. + * config/mips/iris6.h (UNALIGNED_INT_ASM_OP, + UNALIGNED_SHORT_ASM_OP): Undef. + +Tue Jun 26 12:40:12 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (float_truncate splitter, and to mov splitters): Add + reload_completed; fix operand predicate. + + * haifa-sched.c (sched_init): Do not split insns. + * toplev.c (rest_of_compilation): Call split_all_insns before + sched1 pass; simplify condition of post-reload splitter; + call split_all_insn before sched2 pass. + +2001-06-26 Gabriel Dos Reis <gdr@codesourcery.com> + + * diagnostic.h (diagnostic_prefixing_rule_t): New enum type. + (set_message_prefixing_rule): Adjust prototype. + * diagnostic.c (current_prefixing_rule): Adjust type. + +2001-06-26 Neil Booth <neil@daikokuya.demon.co.uk> + + * defaults.h: Default escape sequences to ASCII. + * config/i370/i370.h: Adjust for ASCII default. + * config/1750a/1750a.h: Remove escape sequence definitions. + * config/a29k/a29k.h: Similarly. + * config/alpha/alpha.h: Similarly. + * config/arc/arc.h: Similarly. + * config/arm/arm.h: Similarly. + * config/avr/avr.h: Similarly. + * config/c4x/c4x.h: Similarly. + * config/clipper/clipper.h: Similarly. + * config/convex/convex.h: Similarly. + * config/d30v/d30v.h: Similarly. + * config/dsp16xx/dsp16xx.h: Similarly. + * config/elxsi/elxsi.h: Similarly. + * config/fr30/fr30.h: Similarly. + * config/h8300/h8300.h: Similarly. + * config/i386/i386.h: Similarly. + * config/i860/i860.h: Similarly. + * config/i960/i960.h: Similarly. + * config/ia64/ia64.h: Similarly. + * config/m32r/m32r.h: Similarly. + * config/m68hc11/m68hc11.h: Similarly. + * config/m68k/m68k.h: Similarly. + * config/m88k/m88k.h: Similarly. + * config/mcore/mcore.h: Similarly. + * config/mips/mips.h: Similarly. + * config/mn10200/mn10200.h: Similarly. + * config/mn10300/mn10300.h: Similarly. + * config/ns32k/ns32k.h: Similarly. + * config/pa/pa.h: Similarly. + * config/pdp11/pdp11.h: Similarly. + * config/pj/pj.h: Similarly. + * config/romp/romp.h: Similarly. + * config/rs6000/rs6000.h: Similarly. + * config/sh/sh.h: Similarly. + * config/sparc/sparc.h: Similarly. + * config/v850/v850.h: Similarly. + * config/vax/vax.h: Similarly. + * config/we32k/we32k.h: Similarly. + * doc/tm.texi: Update documentation. + +2001-06-26 Gabriel Dos Reis <gdr@merlin.codesourcery.com> + + * diagnostic.c (digit_buffer): Remove as global. Move to... + * diagnostic.h (struct output_buffer): ... here. + * diagnostic.c (output_formatted_integer): Adjust use of digit_buffer. + +2001-06-25 Steve Ellcey <sje@cup.hp.com> + + * config.gcc (ia64*-*-hpux*): Add ia64/hpux_longdouble.h to tm_file. + Define tmake_file to include ia64/t-hpux. + * real.c (INTEL_EXTENDED_IEEE_FORMAT): Test for value instead of + testing to see if it is defined. + * real.h (INTEL_EXTENDED_IEEE_FORMAT): Likewise. Default to 0 if + undefined. + * config/ia64/hpux_longdouble.h: New. + * config/ia64/ia64.c (hfa_element_mode): Add comment about incorrect + handling of long doubles. + (ia64_function_arg, ia64_function_value): Add checks for TFmode + and INTEL_EXTENDED_IEEE_FORMAT. + * config/ia64/ia64.h (INTEL_EXTENDED_IEEE_FORMAT): Define to one. + (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, LIBCALL_VALUE): Add checks for + TFmode and INTEL_EXTENDED_IEEE_FORMAT. + * config/ia64/ia64.md (all TFmode patterns): Test + INTEL_EXTENDED_IEEE_FORMAT in condition. + (floatdidf2, floatdisf2): New, for !INTEL_EXTENDED_IEEE_FORMAT. + * config/ia64/quadlib.c: New. + * config/ia64/t-hpux: New. + * config/i386/i386.h (INTEL_EXTENDED_IEEE_FORMAT): Define to one. + +2001-06-25 Jim Wilson <wilson@redhat.com> + + * config/i960/t-960bare (i960-c.o): Add missing header dependencies. + * config/i960/t-vxworks960: Likewise. + +2001-06-25 Dale Johannesen <dalej@apple.com> + + * bitmap.c (bitmap_last_bit_set): Fix a non-c89 usage (null actual + argument to macro). + +Mon Jun 25 11:10:51 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (movsi_insv_1, movsi_insv_1_rex64): Fix constraints. + +2001-06-25 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi, + doc/gcc.texi, doc/gcov.texi, doc/install.texi, doc/invoke.texi, + doc/md.texi, doc/rtl.texi, doc/tm.texi: Be more consistent about + the use of "GCC" and related terms. + * doc/gcc.1, doc/gcov.1: Regenerate. + +2001-06-24 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/extend.texi, doc/gcc.texi, doc/install-old.texi, + doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Remove + uses of @refill. + +Sun Jun 24 21:21:49 CEST 2001 Jan Hubicka <jh@suse.cz> + + * (movsi_insv_1, movsi_insv_1_rex64): Allow immediate operand. + +2001-06-24 Richard Henderson <rth@redhat.com> + + * builtins.c (expand_builtin_expect_jump): Disable if the + expression can't be re-evaluated. + +2001-06-24 Nick Clifton <nickc@cambridge.redhat.com> + + * config/arm/arm.c (arm_compute_save_reg_mask): For FIQ interrupt + handlers examine register r0-r7, for other interrupt handlers + examine r0-r12. If the interrupt handler is not a leaf function + save all call clobbered registers. + (arm_output_epilogue): If the prologue has pushed the IP register, + restore it here. + (Arm_expand_prologue): For interrupt functions that need the frame + pointer, push the IP register before it is corrupted. + + * config/arm/arm.h (ARM_SIGN_EXTEND): Fix compile time warnings + about the use of signed and unsigned quantities in a conditional. + +2001-06-23 Richard Henderson <rth@redhat.com> + + * config/alpha/crtfastmath.c: New file. + * config/alpha/t-crtfm: New file. + * config/alpha/elf.h (ENDFILE_SPEC): Use crtfastmath.o. + * config/alpha/osf.h (ENDFILE_SPEC): Likewise. + * config/alpha/t-crtbe (EXTRA_PARTS): Add pieces defined here. + * config.gcc (alpha-{linux,freebsd,netbsd,osf}): Use alpha/t-crtfm; + do not set extra_parts here. + +2001-06-24 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/install-old.texi: Remove more documentation of configure + options. + * doc/install.texi: Add it here. + +Sat Jun 23 19:40:05 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386-protos.h (emit_i387_cw_initialization): Declare. + * i386.md (movsi_insv_1): Remove '*'. + (fix_trunc?f?i2): Revamp to use control word parameters. + (fix_trunc?i_1): Likewise; update splitters. + (fix splitter): Remove. + * i386.c (MAX_386_STACK_LOCALS): set to 3. + (emit_i387_cw_initialization): New function. + (output_fix_trunc): Do not initialize control word; + kill dead code; simplify. + +2001-06-23 Neil Booth <neil@cat.daikokuya.demon.co.uk> + + * cppmacro.c (make_string_token): Avoid warning. + (cpp_macro_definition): Prepend the macro name. Update + comments. + * cppmain.c (cb_define, dump_macro): Update for changes + to cpp_macro_definition. + +Sat Jun 23 10:20:03 CEST 2001 Jan Hubicka <jh@suse.cz> + + * flow.c (attempt_auto_inc, try_pre_increment_1): Fix typo. + +Sat Jun 23 01:23:59 CEST 2001 Jan Hubicka <jh@suse.cz> + + * flow.c (mark_set_1, attempt_auto_inc, mark_used_reg, + try_pre_increment_1): compute REG_FREQ using bb->frequency. + + * regclass.c (loop_cost): Kill. + (frequency): New global variable. + (record_operand_costs): Replace loop_cost by frequency. + (scan_one_insn): Likewise. + (regclass): Likewise; set frequency according to bb->frequency. + + * flow.c (split_edge): Set frequency. + +Sat Jun 23 01:16:42 CEST 2001 Jan Hubicka <jh@suse.cz> + + * predict.c (block_info_def): Add nvisited. + (propagate_freq): Count nvisited; re-queue delayed blocks; handle + irreducible regions. + + * flow.c (dump_edge_info): Dump the probability of edge. + (combine_predictions_for_insn): Dump the basic block. + +2001-06-22 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/gcc.texi: Update documentation of source files of C + compiler. + +2001-06-22 Richard Henderson <rth@redhat.com> + + * doc/invoke.texi (-funsafe-math-optimizations): Document its + possible effects at link time. + +2001-06-22 Diego Novillo <dnovillo@redhat.com> + + * basic-block.h (dump_edge_info): Declare. + (clear_edges): Declare. + (mark_critical_edges): Declare. + * flow.c (dump_edge_info): Remove static declaration. + (clear_edges): Ditto. + (mark_critical_edges): Ditto. + (free_basic_block_vars): Only clear edges and free basic block + array if basic_block_info is not NULL. + * ssa.c (compute_dominance_frontiers): Remove static declaration. + * ssa.h (compute_dominance_frontiers): Declare. + +2001-06-22 Toshiyasu Morita (toshiyasu.morita@hsa.hitachi.com) + + * predict.c: (expected_value_to_br_prob): Check for const_true_rtx + instead of const1_rtx for true case. + +2001-06-22 David Mosberger <davidm@hpl.hp.com> + + * config/ia64/crtfastmath.c: New file. + * config/ia64/t-ia64 (EXTRA_PARTS): Include it. + * config/ia64/linux.h (ENDFILE_SPEC): New. + +2001-06-22 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com> + + * config/h8300/h8300.c (asm_file_start): Remove reference to + "release F-1". + +2001-06-22 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (verify_tree): Check for x being NULL. + * doc/c-tree.texi: Document COMPOUND_BODY of an empty + COMPOUND_STMT. + Fixes PR c/3259. + +2001-06-22 DJ Delorie <dj@redhat.com> + + * config/arm/arm.h (struct machine_function): Remove ra_rtx. + * config/arm/arm.c (arm_mark_machine_status): Remove ra_rtx. + (arm_return_addr): Use get_hard_reg_initial_val et al. + * config/d30v/d30v.h (struct machine_function): Remove ra_rtx. + * config/d30v/d30v.c (d30v_mark_machine_status): Remove ra_rtx. + (d30v_return_addr): Use get_hard_reg_initial_val et al. + * config/rs6000/rs6000.h (struct machine_function): Remove ra_rtx. + * config/rs6000/rs6000.c (rs6000_override_options): Don't set + mark_machine_status. + (rs6000_mark_machine_status): Remove. + (rs6000_return_addr): Use get_hard_reg_initial_val. + (rs6000_ra_ever_killed): Use has_hard_reg_initial_val. + * config/v850/v850.h (INIT_EXPANDERS): Delete. + * config/v850/v850.c (struct machine_function): Delete. + (v850_init_machine_status): Delete. + (v850_mark_machine_status): Delete. + (v850_free_machine_status): Delete. + (v850_return_addr): Use get_hard_reg_initial_val. + (v850_init_expanders): Delete. + +Fri Jun 22 19:20:59 CEST 2001 Jan Hubicka <jh@suse.cz> + + * predict.c (estimate_bb_frequencies): Do not handle conditional + jumps jumping to fallthru basic block as conditional jumps. + +Fri Jun 22 19:11:28 CEST 2001 Jan Hubicka <jh@suse.cz> + + * regs.h (struct reg_info_def): Add freq field. + (REG_N_REFS): Update comment. + (REG_FREQ): New. + * regclass.c (scan_one_insn): Update REG_FREQ. + * flow.c (mark_set_1): Update REG_FREQ, make REG_N_SETS unweighted. + (attempt_auto_inc): Likewise. + (mark_used_reg): Likewise. + (try_pre_increment_1): Likewise. + * local-alloc.c (struct qty): Add freq field. + (alloc_qty): Set freq. + (update_equiv_regs): Set REG_FREQ. + (QTY_CMP_PRI): Use freq. + (combine_regs): Update qty->freq. + * global.c (struct allocno): Update comment for n_refs; + add freq field. + (local_reg_freq): New array. + (global_alloc): Update freq field; + allocate and initialize local_reg_freq. + (allocno_compare): Use freq field. + (find_reg): Likewise. + * reload1.c (count_pseudo): Use freq isntead of n_refs. + (count_spilled_pseudo): Likewise. + + * tm.texi (GCOV_TYPE_SIZE): Document. + * basic-block.h (gcov_type): Define. + (struct edge_def): Use gcov_type for count field. + (struct basic_block_def): Likewise. + * defaults.h (GCOV_TYPE_SIZE): Define. + * final.c (end_final): Use GCOV_TYPE_SIZE. + * flow.c (dump_edge_info, dump_flow_info, dump_bb): Print count fields + using HOST_WIDEST_INT_PRINT_DEC. + * gcov-io.h (__fetch_gcov_type, __store_gcov_type, __read_gcov_type, + __write_gcov_type): New. + (store_long): Remove. + * gcov.c (gcov_type): Set default. + (struct adj_list): Use gcov_type for arc_count. + (bb_info): Use gcov_type for succ_count, pred_count and exec_count. + (create_program_flow_graph): Read arc_count properly. + (solve_program_flow_graph): 'total' is gcov_type. + (output_data): Line_counts is gcov_type, print it properly. + * libgcc2.c (struct bb): Counts is gcov_type. + (__bb_exit_func): Use __read_gcov_type and __write_gcov_type. + * profile.c (LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE): Set default. + (GCOV_TYPE_SIZE): Define. + (struct bb_info): succ_count and pred_count is gcov_type. + (compute_branch_probabilities): Use __read_gcov_type, + print read edges to the dump file. + (total): Is gcov_type. + (gen_edge_profiler): Use GCOV_TYPE_SIZE. + +2001-06-14 Andrew Haley <aph@cambridge.redhat.com> + + * optabs.c (emit_libcall_block): When using non-call exceptions, + don't mark libcalls never throwing. + +2001-06-21 Stan Shebs <shebs@apple.com> + + * objc/objc-act.c (hash_init): Use xcalloc. + +2001-06-21 Richard Henderson <rth@redhat.com> + + * flow.c (entry_exit_blocks): Initialize frequency. + (split_block): Copy it. + (dump_flow_info): Dump it. + +Thu Jun 21 22:15:10 2001 J"orn Rennecke <amylaar@redhat.com> + + * sh.c (barrier_align): Also recognize branch-around-a-jump-sequence + from machine-depedent_reorg for purposes of alignment supression + when no delay slot insn has been added. + +2001-06-21 Neil Booth <neil@cat.daikokuya.demon.co.uk> + + * cppmacro.c (make_string_token): Null terminate. + +2001-06-21 DJ Delorie <dj@redhat.com> + + * config/alpha/alpha.h (struct machine_function): Remove. + * config/alpha/alpha.c (integrate.h): Include. + (override_options): Don't set up machine_status hooks. + (alpha_init_machine_status): Remove. + (alpha_mark_machine_status): Remove. + (alpha_free_machine_status): Remove. + (alpha_return_addr): Use get_hard_reg_initial_val. + (alpha_gp_save_rtx): Likewise. + (alpha_ra_ever_killed): Use has_hard_reg_initial_val. + +2001-06-20 Aldy Hernandez <aldyh@redhat.com> + + * config/sh/sh.md (interrupt_function): Use + current_function_interrupt. + (define_delay): Schedule in delay slot if TARGET_SH3, even if it is + an interrupt function. + + * config/sh/sh.h (current_function_interrupt): Define extern. + + * config/sh/sh.c (current_function_interrupt): New global. + (sh_expand_prologue): Set current_function_interrupt. + +2001-06-21 Phil Edwards <pme@sources.redhat.com> + + * doc/install.texi: Add 'c' to list of --enable-languages choices. + +2001-06-21 DJ Delorie <dj@redhat.com> + + * integrate.c (mark_hard_reg_initial_vals): Check for NULL. + + * integrate.c (ggc.h): Include. + (initial_value_pair, initial_value_struct, + setup_initial_hard_reg_value_integration): Add prototypes. + (expand_inline_function): Call + setup_initial_hard_reg_value_integration. + (has_func_hard_reg_initial_val, get_func_hard_reg_initial_val, + get_hard_reg_initial_val, has_hard_reg_initial_val): New functions + to keep track of values present at the start of a function. + (mark_hard_reg_initial_vals): New, for gc. + (setup_initial_hard_reg_value_integration): New. Sets up pseudo + mappings for initial values. + (emit_initial_value_sets): New. Emits code to set initial value + pseudos. + * integrate.h: Add prototypes for new functions. + * function.h (struct function): Add hard_reg_initial_vals field. + * function.c (integrate.h): Include. + (mark_function_status): Call + mark_hard_reg_initial_vals. + * toplev.c (integrate.h): Include. + (rest_of_compilation): Call emit_initial_value_sets. + +2001-06-21 Stan Shebs <shebs@apple.com> + + * doc/contrib.texi, doc/cpp.texi, doc/cppinternals.texi, + doc/extend.texi, doc/gcc.texi, doc/install.texi, doc/invoke.texi, + doc/objc.texi, doc/tm.texi: Use the correct name "Objective-C" + everywhere instead of "Objective C". + +2001-06-21 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi, + doc/gcc.texi, doc/install-old.texi, doc/install.texi, + doc/invoke.texi, doc/rtl.texi: Consistently use "front end" and + "back end" as nouns and "front-end" and "back-end" as adjectives. + +Wed Jun 20 21:53:35 CEST 2001 Jan Hubicka <jh@suse.cz> + + * predict.c (estimate_probability): Fix loop bounds. + +Wed Jun 20 19:10:48 CEST 2001 Jan Hubicka <jh@suse.cz> + + * toplev.c (rest_of_compilation): Run mark_constant_function + before profile-arcs. + +Wed Jun 20 19:08:18 CEST 2001 Jan Hubicka <jh@suse.cz> + + * predict.c (estimate_loops_at_level, propagate_freq + estimate_bb_frequencies, count_to_freqs): New functions. + (estimate_probability): Call estimate_bb_frequencies. + * basic-block.h (basic_block_def): Add field "freq". + (BB_FREQ_MAX): New constant. + +Wed Jun 20 17:02:50 2001 J"orn Rennecke <amylaar@redhat.com> + + * sh.c (barrier_align): Don't ask for alignment when seeing a + branch-around-a-jump from machine_dependent_reorg. + +Wed Jun 20 08:35:02 2001 Jeffrey A Law (law@cygnus.com) + + * ssa.c (rename_block): Update parameter to remove_phi_alternative + (convert_from_ssa): Do create REG_DEAD and REG_UNUSED notes when + re-running life analysis. + +2001-06-20 Stan Shebs <shebs@apple.com> + + * objc/objc-act.c (hash_init): Assume xmalloc always succeeds, + also use memset to clear the hash tables. + (hash_enter): Assume xmalloc always succeeds. + (hash_add_attr): Ditto. + (continue_class): Ditto. + +2001-06-20 Michael Meissner <meissner@redhat.com> + + * builtins.c (predict.h): Include. + (expand_builtin_expect): Update comment. + (expand_builtin_expect_jump): New function to expand + __builtin_expect inside of a conditional jump expansion. + + * expr.c (do_jump): Special case __builtin_expect (<test>, 0) and + __builtin_expect (<test>, 1). + + * Makefile.in (builtins.o): Depend on $(PREDICT_H). + + * rtl.h (expand_builtin_expect_jump): Add prototype. + +2001-06-19 Geoffrey Keating <geoffk@redhat.com> + + * doc/rtl.texi (Machine Modes): Correct description of + floating-point modes on machines with non-8-bit bytes. + +2001-06-19 Bernd Schmidt <bernds@redhat.com> + + * regmove.c (optimize_reg_copy_3): Do nothing if previous insn + carries a REG_EQUIV note. If it carries REG_EQUAL, delete the + note. + +Tue Jun 19 07:53:52 2001 Jeffrey A Law (law@cygnus.com) + + * ssa.c (remove_phi_alternative): Remove declaration. No longer + static. Second argument is a pointer to a basic block structure, + not a basic block index. + (convert_to_ssa): Do not remove dead code. + (convert_from_ssa): Do not remove dead code to create death notes. + * ssa.h (remove_phi_alternative): Declare. + + * flow.c (delete_unreachable_blocks): Fix patch error in + previous change (call to find_unreachable_blocks was lost). + + * ssa.c (ssa_uses): Remove definition. + (apply_delayed_renames): Don't grow ssa_uses. + (rename_block): Remove comment related to ssa_uses. + (rename_registers): Do not initialize ssa_uses. + (convert_from_ssa): Do not free ssa_uses. + + * ssa-dce.c: Renamed from dce.c. + * Makefile.in (OBJS): Replace dce.o with ssa-dce.o + (dependencies): Replace dce.c with ssa-dce.c and dce.o with + ssa-dce.o. + +2001-06-19 Eric Christopher <echristo@redhat.com> + + * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode + and DFmode are UNITS_PER_WORD and 2*UNITS_PER_WORD. Use + GET_MODE_BITSIZE instead of GET_MODE_SIZE/UNITS_PER_WORD. + +Tue Jun 19 01:52:27 2001 J"orn Rennecke <amylaar@redhat.com> + + * sh.c (output_branch): Delete bogus code. + + * sh.c (initial_elimination_offset): + Fix FROM == RETURN_ADDRESS_POINTER_REGNUM case. + +Mon Jun 18 12:50:49 2001 Jeffrey A Law (law@cygnus.com) + + * flow.c (find_unreachable_blocks): New function. + (delete_unreachable_blocks): Use find_unreachable_blocks. + * basic-block.h (find_unreachable_blocks): Declare. + + * dce.c (eliminate_dead_code): Fix formatting glitch. + +2001-06-18 Jason Merrill <jason_merrill@redhat.com> + + * c-common.h (RETURN_NULLIFIED_P): New macro. + * c-semantics.c (genrtl_return_stmt): Check it. + + * expr.c (clear_storage): Set TREE_NOTHROW on the decl for memset. + (emit_block_move): Likewise. + +Mon Jun 18 17:27:24 CEST 2001 Jan Hubicka <jh@suse.cz> + + * unroll.c: Include predict.h. + (unroll_loop): Drop prediction notes on preconditioning. + * predict.def (PRED_LOOP_PRECONDITIONG, PRED_LOOP_CONDITION): + New; add comments on the others. + * Makefile.in: (unroll.o): Add dependency on predict.h. + * loop.c (strength_reduce): Fix branch prediction. + +Mon Jun 18 17:26:56 CEST 2001 Jan Hubicka <jh@suse.cz> + + * stmt.c (emit_case_nodes): Optimize test whether index is in given + interval. + +Mon Jun 18 15:43:10 CEST 2001 Jan Hubicka <jh@suse.cz> + + * predict.c (estimate_probability): Do not bail out early + when note is present. + (combine_predictions_for_insn): Fix note removal code. + +2001-06-18 Ben Elliston <bje@redhat.com> + + * except.c (resolve_fixup_regions): Initialise "cleanup". + +2001-06-17 Neil Booth <neil@daikokuya.demon.co.uk> + + * tm.texi: Document STDC_0_IN_SYSTEM_HEADERS. + +Sat Jun 16 20:20:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (expand_expr, case ADDR_EXPR): If taking address of SAVE_EXPR, + use put_var_into_stack. + +2001-06-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * gccspec.c (lang_specific_driver): If compiling ObjC, add + -shared-libgcc when necessary. + * Makefile.in (gccspec.o): Compile with DRIVER_DEFINES. + +2001-06-16 Daniel Berlin <dan@cgsoftware.com> + + * bitmap.h: Add dump_bitmap, bitmap_zero, bitmap_union_of_diffs, + bitmap_a_or_b, bitmap_a_and_b, bitmap_first_set_bit, + bitmap_last_set_bit. All for compatibility with sbitmap's. + + *bitmap.c (bitmap_zero): New function. + (bitmap_union_of_diffs): New function. + (bitmap_first_set_bit): New function. + (bitmap_last_set_bit): New function. + +2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpp.texi, invoke.texi: Update. + * cpp.1, gcc.1: Regenerate. + +Sat Jun 16 12:45:20 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (minsf): Fix splitter. (PR fortran/3191) + +2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk> + + * doc/cpp.texi: Update. + * doc/cpp.1: Regenerate. + +2001-06-15 Loren J. Rittle <ljrittle@acm.org> + + * doc/install.texi: Use correct markup hints. + +Fri Jun 15 18:05:22 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * function.c (gen_mem_addressof): Handle case where DECL is SAVE_EXPR. + + * explow.c (expr_size): If DECL and size specified, use it. + +2001-06-15 Zack Weinberg <zackw@stanford.edu> + + * doc/cpp.texi: Formatting corrections. + Correct buggy example of use of __GNUC__ etc. + Clarify $ in identifiers. + * doc/cpp.1: Regenerate. + +Fri Jun 15 19:35:38 CEST 2001 Jan Hubicka <jh@suse.cz> + + * optabs.c (expand_twoval_binop): Avoid undefined behaviour. + +2001-06-15 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * doc/install.texi (Specific, alpha*-*-*): Fixed Tru64 UNIX + etc. spelling. + (Specific, alpha-*-osf1): Renamed to alpha*-*-osf*. + Added Tru64 UNIX V5.1 bootstrap hints. + (Specific, alpha*-*-osf*): Removed old section, obsolete. + +2001-06-15 Andreas Jaeger <aj@suse.de> + + * doc/install.texi (Specific): Mention that glibc cannot be + compiled with GCC 3.0. + +2001-06-14 Andrew Haley <aph@cambridge.redhat.com> + + * combine.c (nonzero_bits): Don't optimize away division by + zero. + +2001-06-15 Zack Weinberg <zackw@stanford.edu> + + * doc/cpp.texi: Revised and brought up to date. + * doc/cpp.1: Regenerate. + +2001-06-15 Loren J. Rittle <ljrittle@acm.org> + + * doc/install.texi: Update --enable-threads to match reality. + +2001-06-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * doc/install.texi: Update for C4x. + * README.C4X: Remove. + +2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi, + doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi, + doc/objc.texi, doc/rtl.texi, doc/tm.texi: Fix spelling and typos. + Consistently use "built-in" and "bit-field". Minor logical markup + improvements. + * doc/gcc.1: Regenerate. + +2001-06-14 Richard Henderson <rth@redhat.com> + + * config/mips/mips.md (exception_receiver): New. + +2001-06-14 Daniel J. Berlin <dan@cgsoftware.com> + + * doc/gcc.texi: Update passes documentation to be more in tune + with reality. + +Thu Jun 14 15:38:28 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_expand_prologue): Fix merging conflict. + +2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi, + doc/gcc.texi, doc/gcov.texi, doc/install-old.texi, + doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Use more + logical markup. Use TeX quotes and dashes. Use @dots{} and + @minus{}. Avoid spaces inside @var. Update last modification + date in gcc.texi. + * doc/gcc.1, doc/gcov.1: Regenerate. + +Thu Jun 14 12:44:15 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (x86_accumulate_outgoing_args, x86_prologue_using_move, + x86_epilogue_using_move): New global variables. + (override_options): Enable ACCUMULATE_OUTGOING_ARGS if preferred. + (ix86_emit_save_regs_using_mov): New static function. + (ix86_expand_prologue, ix86_expand_epilogue): Use moves if preferred. + * i386.h (MASK_MMX, MASK_SSE, MASK_SSE2, MASK_128BIT_LONG_DOUBLE, + MASK_MIX_SSE_I387): Renumber. + (MASK_NO_ACCUMULATE_OUTGOING_ARGS): New. + (x86_accumulate_outgoing_args, x86_prologue_using_move, + x86_epilogue_using_move): Declare. + (TARGET_PROLOGUE_USING_MOVE, TARGET_EPILOGUE_USING_MOVE): New. + +2001-06-13 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * inclhack.def (hpux10_cpp_pow_inline): New hack. + +2001-06-13 Richard Henderson <rth@redhat.com> + + * ifcvt.c (dead_or_predicable): Fix return value last patch. + +2001-06-13 Mark Mitchell <mark@codesourcery.com> + + * NEWS: Remove. + +2001-06-13 Richard Henderson <rth@redhat.com> + + * ifcvt.c (cond_exec_get_condition): Use reversed_comparison_code. + (cond_exec_process_if_block, dead_or_predicable): Likewise. + +2001-06-13 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * mips-tfile.c (copy_object): Always pass indexNil for symbol + table index. + +2001-06-13 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.h (OK_FOR_T): Remove. + (EXTRA_CONSTRAINT): Do not use OK_FOR_T. + * config/h8300/h8300.md: Remove alternatives involving inc and dec + in the helper patterns for addhi3 and addsi3. + +2001-06-13 Phil Edwards <pme@sources.redhat.com> + + * doc/contrib.texi: Link to libstdc++'s thanks.html for now. + +2001-06-13 Zack Weinberg <zackw@stanford.edu> + + * Makefile.in: Move _bb and __gcc_bcmp to LIB2FUNCS_ST. + * libgcc-std.ver: Take out __bb* and __gcc_bcmp. + + * config/t-slibgcc-elf-ver, config/t-slibgcc-sld, + config/alpha/t-osf4, config/mips/t-iris6: Extract all + references to @shlib_map_file@, @shlib_objs@, or + @shlib_base_name@ to Makefile variables. + Bump soname version of libgcc to 1. + +2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/install.texi: Use more logical markup. Include @node + commands in the source when generating any non-HTML. + +2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk> + + * README: Remove. Some of the contents moved to ../README. + +2001-06-13 Alexandre Oliva <aoliva@redhat.com> + + * doc/install.texi (--enable-shared): List package names + recognized by GCC. + +2001-06-13 Alexandre Oliva <aoliva@redhat.com> + + * doc/install.texi (ix86-*-solaris*): Removed, outdated. + (*-*-solaris*): Document problem in /bin/sh that affects + configuring libraries. + (sparc-*-solaris*): Recommend GNU binutils 2.11.1 or vendor tools. + (*-sun-solaris2.8): Document linker problem that explains why + libjava is disabled by default. + +2001-06-09 Mark Mitchell <mark@codesourcery.com> + + Revert this patch: + * toplev.c (rest_of_compilation): Remove dead code before + purge_addressof. + +2001-06-12 Alexandre Oliva <aoliva@redhat.com> + + Reverted: + 2001-06-07 Nathan Sidwell <nathan@codesourcery.com> + * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support. + * configure: Rebuilt. + +2001-06-12 Jim Wilson <wilson@redhat.com> + + * loop.c (strength_reduce): Move bl->all_reduced set before + check_ext_dependant_givs call. + (check_ext_dependant_givs): Clear bl->all_reduced when ignoring givs. + +2001-06-12 Alexandre Oliva <aoliva@redhat.com> + + * doc/extend.texi (Function Attributes): Document SH's sp_switch + and trap_exit. + +2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/invoke.texi: Use more logical markup. Use TeX quotes, + dashes and @dots{}. + +2001-06-12 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (ix86_expand_prologue): Always use + gen_pro_epilogue_adjust_stack; update arguments. + (ix86_expand_epilogue): Likewise. + (ix86_emit_epilogue_esp_adjustment): Remove. + (ix86_adjust_cost): Remove pro_epilogue_adjust_stack hack. + * config/i386/i386.md (pro_epilogue_adjust_stack): Use a BLKmode + clobber of scratch memory instead of a modification of EBP as the + barrier. Update all peepholes to match. + +2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/gcc.texi: Change the font used for @def... commands to a + fixed width font. + * doc/extend.texi: Use more logical markup. Use "built-in" + instead of "builtin". Use @deftypefn to mark up built-in + functions; specify their types in the @deftypefn and not in the + descriptive text. Use TeX quotes and dashes. Add more index + entries. + +2001-06-12 lars brinkhoff <lars@nocrew.org> + + * gcc.texi (HOST_BITS_PER_LONGLONG): Document. + (DIR_SEPARATOR_2): Likewise. + +2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/install.texi (--exec-prefix, --bindir, --libdir, + --with-slibdir, --infodir, --mandir, --with-cpp-install-dir): + Document. + (--enable-cpp): Change to document --disable-cpp instead; update + to reflect current default. + (--without-fast-fixincludes): Remove documentation. + (Final install): Document installation directories in more + detail. Document use of make dvi. + +Tue Jun 12 19:01:43 CEST 2001 Jan Hubicka <jh@suse.cz> + + * recog.c (validate_replace_rtx_1): Fix previous patch. + +Tue Jun 12 17:25:39 CEST 2001 Jan Hubicka <jh@suse.cz> + + * recog.c (validate_replace_rtx_1): Do plus_constant call always. + +Tue Jun 12 17:24:07 CEST 2001 Jan Hubicka <jh@suse.cz> + + * simplify-rtx.c (simplify_subreg): Allow volatile memory + to be subregged in case we don't have move instruction. + +Tue Jun 12 12:20:12 CEST 2001 Jan Hubicka <jh@suse.cz> + + * loop.c: Include predict.h + (strength_reduce): Drop branch prediction note in case + number of iterations is known. + * predict.def (PRED_LOOP_ITERATIONS): new. + * Makefile.in (loop.o): Add dependency on predict.h + +2001-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-decl.c (grokdeclarator): Use INTEGRAL_TYPE_P. + + * c-typeck.c (c_start_case): Likewise. + +2001-06-12 Mark Mitchell <mark@codesourcery.com> + + * expr.c (store_field): Don't set MEM_ALIAS_SET for a field + in a structure at a variable address. + +2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/gcov.texi: Use more logical markup. + +2001-06-11 Mark Mitchell <mark@codesourcery.com> + + * unroll.c (initial_reg_note_copy): Use PUT_REG_NOTE_KIND and + REG_NOTE_KIND, not PUT_MODE and GET_MODE. + (final_reg_note_copy): Remove REG_WAS_0 notes that are no longer + valid. + +2001-06-11 Stan Shebs <shebs@apple.com> + + * config/darwin.h (ASM_FILE_END): Remove decl of language_string. + +2001-06-11 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md ("*lshrdi3_const32"): Mark the clobber + as an early clobber to make sure it is not used by reload in + one of the operands. + +2001-06-11 Mark Mitchell <mark@codesourcery.com> + + * doc/c-tree.texi: Update information about flag_honor_std. + * doc/install.texi: Note that binutils is required on HPUX 11. + * doc/invoke.texi (-fhonor-std): Note that -fno-honor-std is + now the default. + + * config/mips/abi64.h (RETURN_IN_MEMORY): Fix handling of + variable-sized types. + +2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/md.texi: Use TeX dashes and quotes. + +2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/rtl.texi: Reference manual chapter about trees. + +2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * config/mips/iris6.h (NO_BUILTIN_WINT_TYPE): Define. + (WINT_TYPE): Override. + (WINT_TYPE_SIZE): Likewise. + (SUBTARGET_CPP_SIZE_SPEC): Define __WINT_TYPE__ as appropriate. + + * config/sparc/sol2.h (WINT_TYPE): Define. + (WINT_TYPE_SIZE): Likewise. + + * config/sparc/sol2-sld-64.h (NO_BUILTIN_WINT_TYPE): Define. + (WINT_TYPE): Override. + (WINT_TYPE_SIZE): Likewise. + (CPP_ARCH32_SPEC): Add __WINT_TYPE__ definition. + (CPP_ARCH64_SPEC): Likewise. + +2001-06-11 Richard Henderson <rth@redhat.com> + + * unwind-dw2-fde.c (__deregister_frame_info): Don't play games + with alias attribute. + + * config/linux.h (CPLUSPLUS_CPP_SPEC): Use %(cpp) not $(cpp_cpu). + * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): Likewise. + +2001-06-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * config/rs6000/linux.h (CPLUSPLUS_CPP_SPEC): New. + +2001-06-11 Stan Shebs <shebs@apple.com> + + * config/darwin.c (darwin_encode_section_info): Rewrite to simplify + and fix coding mistakes. + +2001-06-11 Nick Clifton <nickc@cambridge.redhat.com> + + * config/m32r/m32r.md (movstrsi_internal): Do not expect a + return string from m32r_output_block_move. + * config/m32r/m32r-protos.h: Make m32r_output_block_move a + void function. + * config/m32r/m32r.h (INT32_P): Rename to UNIT32_P and remove + integer overflow. + (ROUND_ADVANCE): Remove signed/unsigned conflict. + * config/m32r/m32r.c: Declare prototypes for static functions. + (move_src_operand): Replace INT32_P with UINT32_P. + (function_arg_partial_nregs): Fixed signed/unsigned conflict + in initialisation of 'size'. + (m32r_sched_reord): Remove redundant declarations of 'code'. + (m32r_output_block_move): Change to a void function. + (m32r_encode_section_info): Cast return of + TREE_STRING_POINTER to avoid compile time warning. + +2001-06-11 Richard Henderson <rth@redhat.com> + + * config/alpha/osf5.h (TARGET_LD_BUGGY_LDGP): New. + * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Default. + (struct machine_function): Add gp_save_rtx. + * config/alpha/alpha.c (alpha_mark_machine_status): Mark it. + (alpha_gp_save_rtx): New. + * config/alpha/alpha-protos.h: Declare it. + * config/alpha/alpha.md (exception_receiver): Make an expander. + Use alpha_gp_save_rtx if TARGET_LD_BUGGY_LDGP. + +2001-06-11 Richard Henderson <rth@redhat.com> + + * config/alpha/osf.h (LINK_SPEC): Hide _GLOBAL_* symbols. + +2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * configure.in: Align --help messages. + Remove trailing full stops. + Consistently use lower case. + Fix DWARF 2 spelling. + * configure: Rebuilt. + +2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * config/alpha/alpha.h (CPP_SPEC): Don't define __LANGUAGE_C and + variants for .cpp/.cp/.c++ files. + Move definition of __LANGUAGE_C_PLUS_PLUS ... + (CPLUSPLUS_CPP_SPEC): ... here. + +Mon Jun 11 15:47:45 CEST 2001 Jan Hubicka <jh@suse.cz> + + * jump.c (duplicate_loop_exit_test): Fix loop header heuristics. + +2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-decl.c (store_parm_decls): When comparing types in an + old-style function declaration with those from a previous + prototype, compare the unqualified versions of parameter types. + Fixes PR c/3116. + +2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/objc.texi: Use more logical markup. Use TeX dashes. + +2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/c-tree.texi: Use more logical markup. + +2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-decl.c (xref_tag): Don't return previous tags of wrong type. + +2001-06-11 Aldy Hernandez <aldyh@redhat.com> + + * loop.c (scan_loop): Do not combine asm statements. + +2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * simplify-rtx.c (simplify_subreg): Fix offset calculation + for complex values within a CONCAT. + +2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/install.texi: Update details of what components are included + in the GCC distribution. Update default directory for g++ + includes. Update documentation relating to old libio. Adjust + documentation on DejaGnu environment variables. Remove + documentation of --enable-cpplib. + +2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/contrib.texi: Fix alphabetical order. Fix typos. Improve + markup. + +2001-06-10 Richard Henderson <rth@redhat.com> + + * ifcvt.c (life_data_ok): New. + (merge_if_block): Use it to determine whether to update + global_live_at_end. + (if_convert): Set it. + +2001-06-10 Richard Henderson <rth@redhat.com> + + * config/alpha/osf5.h (ASM_OLDAS_SPEC): Add -c. + +2001-06-10 Alexandre Oliva <aoliva@redhat.com> + + * doc/invoke.texi (MN10300 Options): Document -mno-crt0. + (SH Options): Document -mieee. + * doc/install.texi (Final install): Remove obsolete information + about installing cross compilers. + * doc/gcc.1: Rebuilt. + +2001-06-10 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (override_options): Set align_loops, + align_jumps, and align_functions. + * config/alpha/alpha.h (FUNCTION_BOUNDARY): Set to 32 bits. + (LOOP_ALIGN, LABEL_ALIGN_AFTER_BARRIER): Remove. + +2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode and DFmode + are one and two words in size. + +2001-06-10 Richard Henderson <rth@redhat.com> + + * doc/invoke.texi (Optimization Options): Document -fpeephole2. + (Code Generation Options): Document -fnon-call-exceptions. + +2001-06-10 Mark Kettenis <kettenis@gnu.org> + + * config/i386/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Undefine. + +2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * m68hc11.md (peepholes): Remove unused and wrong peepholes. + +2001-06-10 Mark Mitchell <mark@codesourcery.com> + Gabriel Dos Reis <gdr@codesourcery.com> + + * Makefile.in (c-parse.o): Depend on diagnostic.h + (dwarf2out.o): Likewise. + + * dwarf2out.c: #include diagnostic.h + + * toplev.h (warningcount, errorcount, sorrycount): Remove + declarations. + + * toplev.c (warningcount, errorcount, sorrycount): Remove + definitions. + + * diagnostic.h (struct output_buffer): Reorder fields. + (diagnostic_kind_count): New macro. + (errorcount, warningcount, sorrycount): Define as macros. + (diagnostic_report_warnings_p): New macro. + (output_state): Add diagnostic_count field. + + * diagnostic.c (warningcount, errorcount, inhibit_warnings): + Remove tentative declaration. + (count_error): Use diagnostic_report_warnings_p. + + * c-parse.in: #include diagnostic.h + +2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md ("extendhisi2"): Fix constraints to + prefer a memory for operand 1. + ("*addsi3"): Fix constraints, the '!' was too strong. + ("*addsi3_split"): Accept soft register and split accordingly. + +2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline): + Move definition in the RTX_CODE section. + +2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Define the return + address as relative to the argument pointer. + +Sun Jun 10 10:58:53 CEST 2001 Jan Hubicka <jh@suse.cz> + + * predict.def (PRED_OPCODE): Place before call and error_return. + +Sun Jun 10 10:00:17 CEST 2001 Jan Hubicka <jh@suse.cz> + + * predict.def (PRED_CALL, PRED_ERROR_RETURN): New. + * predict.c (estimate_probability): Calculate dominance + information; improve detection of NORETURN heuristics; + add call/error_return heuiristics; tweak comparison heuristics + to recognize -1. + +2001-06-09 Alexandre Oliva <aoliva@redhat.com> + + * doc/invoke.texi (C Dialect Options): Document -aux-info. + (Debugging Options): Document -print-multi-directory and + -print-multi-lib. + * doc/gcc.1: Rebuilt. + + * toplev.c (independent_decode_option): Require `=' between + `-aux-info' and filename in the same argument. + * gcc.c: Don't pass -aux-info=filename twice. + +2001-06-09 Mark Mitchell <mark@codesourcery.com> + + * expr.c (expand_expr, case ARRAY_REF): Do not replace + an array element with the known initializing value if it has + side-effects. + + * toplev.c (rest_of_compilation): Remove dead code before + purge_addressof. + +2001-06-09 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinit.c (print_help): Document -fpreprocessed. + * invoke.texi: Similarly. + +Sun Jun 10 00:35:37 CEST 2001 Jan Hubicka <jh@suse.cz> + + * predict.def: New file. + * predict.h: New file. + * predict.c: Include predict.h. + (predictor_info): New structure and array. + (predict_edge, predict_insn): Rewrite; make global. + (predict_edge_def, predict_insn_def): New global functions. + (dump_prediction, combine_predictions_for_insns): New + static functions. + (estimate_probability): Change calls to predict_edge + to predict_edge_def and calls to predict_insn to predict_insn_def; + combine probabilities. + (expected_value_to_br_prob): Behave as predictor. + * rtl.h (REG_BR_PRED): Update coment. + (invert_br_probabilities): New. + * jump.c: Include predict.h + (duplicate_loop_exit_test): Drop branch prediction notes. + (invert_jump): Use invert_br_probabilities. + * Makefile.in: Add dependency on predict.h for jump and predict pass. + * ifcvt.c (dead_or_predicable): Use invert_br_probabilities. + * combine.c (distribute_notes): Handle BR_PRED. + +Sat Jun 9 23:29:41 CEST 2001 Jan Hubicka <jh@suse.cz> + + * predict.c (predict_insn, predict_edge): New static functions. + (estimate_probability): Revamp to use new functions; + fix loop header heruistics; add loop exist heruistics + +2001-06-09 Alexandre Oliva <aoliva@redhat.com> + + * config.gcc: Re-enable bi-arch sparc on Solaris 7 and above. + +2001-06-09 Peter Jakubek <pjak@snafu.de> + + * config/m68k/m68k.md (ashrdi_const): Fix right shift by 16. + +2001-06-09 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags + for integer operations that don't update C bit. + +2001-06-09 Nicola Pero <nicola@brainstorm.co.uk> + + * gthr-posix.h (__gthread_objc_init_thread_system): If + pthread_key_create fails, it's not clear what the return value is. + This obvious fix makes sure it always returns -1 if a problem + occurs. + +2001-06-09 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/gcc.texi: Use @defcodeindex for the index of options. Add + more index entries. Use more logical markup where appropriate. + Use TeX quotes and dashes. + +2001-06-09 Benjamin Kosnik <bkoz@redhat.com> + + * unwind-pe.h: Conditionally qualify references to abort with + std::. + +2001-06-09 Julian Foad <julian_foad@hotmail.com> + + * doc/invoke.texi: Remove superfluous text. + +2001-06-08 Richard Henderson <rth@redhat.com> + + * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New. + (LIB_SPEC): Mirror config/linux.h version. + +2001-06-08 Richard Henderson <rth@redhat.com> + + * except.c (get_exception_pointer, get_exception_filter): Take a + struct function. Update all callers. + * except.h (get_exception_pointer): Update declaration. + * expr.c (expand_expr): Update get_exception_pointer call. + * integrate.c (expand_inline_function): Remap the exception pointer + from callee to caller. + +2001-06-08 Mark Mitchell <mark@codesourcery.com> + + * c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations + accurately reflect its cv-qualification. + * c-typeck.c (type_lists_compatible_p): Ignore the top-levl + cv-qualifiers on function types. + +2001-06-08 Mark Mitchell <mark@codesourcery.com> + + * basic-block.h: Improve comments. + * except.c (expand_eh_region_end_allowed): Remove redundant call + to do_pending_stack_adjust. + * flow.c (life_analysis): Fix typo in comment. + (calculate_global_regs_live): Add documentation. + (mark_set_1): Likewise. + (debug_regset): Likewise. + * doc/rtl.texi (cond_exec): Document it. + +Fri Jun 8 21:52:51 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.h (CONST_COSTS): set cost of constants representable in + immediate fields to 0. + +Fri Jun 8 21:34:54 CEST 2001 Jan Hubicka <jh@suse.cz> + + * function.c (diddle_return_value): Kill code to determine + return value before expand_function_end. + (expand_function_end): Delay call to clobber_return_register + after fucntion return value is computed. + + Re-install temporary reverted patch: + * toplev.c (rest_of_compilation): Call split_all_insns + before reg-stack and shorten-branches. Do shorten-branches + after reg-stack. + * final.c (shorten_branches): Remove insn splitting code. + +2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/gcc.texi, doc/invoke.texi: Add index of command line + options. Use @opindex to index them rather than other indexing + commands. Use @var{...} instead of <...>. Avoid spaces in names + inside @var. Don't use @kindex to index escape sequences in + source code. + +2001-06-08 Jason Merrill <jason_merrill@redhat.com> + + * stmt.c (current_nesting_level): New fn. + * tree.h: Declare it. + * c-semantics.c (genrtl_compound_stmt): Use it. + + * dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P. + +2001-06-08 Jakub Jelinek <jakub@redhat.com> + + * jump.c (mark_modified_reg): Allow jump threading if condition + codes are represented by a hard register. + +2001-06-08 Jakub Jelinek <jakub@redhat.com> + + * config/ia64/ia64.c (ia64_function_arg): Use [SDT]Fmode as gr_mode + for complex floats passed to unprototyped functions. + +2001-06-08 Mark Mitchell <mark@codesourcery.com> + + * except.c (expand_eh_region_end_allowed): Call + do_pending_stack_adjust as necessary. + +Fri Jun 8 14:16:33 CEST 2001 Jan Hubicka <jh@suse.cz> + + * function.c (clobber_return_register): Clobber the pseudo return + register too. + + * sibcall.c (skip_unreturned_value): New function. + (call_ends_block_p): Use it. + + * recog.c (split_insn): Break out from ... + (split_all_insns): ... here; do not use basic block information + when it is broken. + +Thu Jun 7 18:27:53 CEST 2001 Jan Hubicka <jh@suse.cz> + + * simplify-rtx.c (simplify_subreg): Fix verification of + combined subreg. + +2001-06-08 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * config/mips/mips.h (CPP_SPEC): Simplify .s/.S handling. + Don't define _LANGUAGE_C and variants for .cpp/.cp/.c++ files. + Move definition of _LANGUAGE_C_PLUS_PLUS ... + (CPLUSPLUS_CPP_SPEC): ... here. + Fixes PRs c++/3047, target/441. + +2001-06-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/install.texi2html (MAKEINFO): Keep value if set already. + +2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/gcc.texi: Add trailing slash to URL. + +2001-06-07 Stan Shebs <shebs@apple.com> + + * config/darwin.h (ENCODE_SECTION_INFO): Define. + (REDO_SECTION_INFO_P): Ditto. + (STRIP_NAME_ENCODING): Ditto. + (ASM_DECLARE_OBJECT_NAME): Use ENCODE_SECTION_INFO. + (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Ditto. + (ASM_OUTPUT_LABELREF): Use STRIP_NAME_ENCODING. + (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Ditto. + * config/darwin.c: No longer include c-tree.h. + (machopic_classify_ident): Rewrite to use symbol encoding. + (lookup_name_darwin): Remove. + (machopic_non_lazy_ptr_name): Handle encoded symbols. + (machopic_stub_name): Use STRIP_NAME_ENCODING. + (machopic_validate_stub_or_non_lazy_ptr): Ditto. + (machopic_finish): Ditto, remove test of decl. + (update_non_lazy_ptrs): New function. + (darwin_encode_section_info): New function. + * config/darwin-protos.h: Declare it. + * config/rs6000/rs6000.c (machopic_output_stub): Use + STRIP_NAME_ENCODING. + +2001-06-07 Mark Mitchell <mark@codesourcery.com> + + * tree.h (DECL_SOURCE_FILE): Improve documentation. + (DECL_SOURCE_LINE): Likewise. + +2001-06-07 Loren J. Rittle <ljrittle@acm.org> + + * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition + from config/elfos.h. + +2001-06-07 Phil Edwards <pme@sources.redhat.com> + + * linux.h (CPLUSPLUS_CPP_SPEC): Move -D_GNU_SOURCE to here. + * pa/pa-linux.h: Allow CPLUSPLUS_CPP_SPEC to remain. + +2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/contrib.texi: Add copyright notice. + +2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/md.texi: Use four digit years in copyright notice. + +2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk> + + * config.gcc: For $target_alias of athlon-*, set + target_cpu_default2=5. + +Thu Jun 7 16:17:40 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * global.c (build_insn_chain): Allow ADDR_VEC or ADDR_DIF_VEC after + end of last block if last real insn is a JUMP_INSN. + +2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk> + + * NEWS: Regenerate. + +2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * gthr-posix.h (__gthread_objc_thread_detach): Simply cast + pthread_t to objc_thread_t. + (__gthread_objc_thread_id): Likewise. + +2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition. + (ASM_OLDAS_SPEC): Likewise. + + * alpha/osf.h (CPP_XFLOAT_SPEC): Define. + (CPP_SUBTARGET_SPEC): Use it. + (ASM_OLDAS_SPEC): Define. + (ASM_SPEC): Use it. + (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above. + +2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args, + passed by reference. + +2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup. + Document use of N_(...), and show it in examples. Note that + documentation should be added to invoke.texi. Avoid an overfull + hbox. + +Thu Jun 7 17:09:50 CEST 2001 Jan Hubicka <jh@suse.cz> + + * toplev.c (rest_of_compilation): Revert previous patch. + * final.c (shorten_branches): Likewise. + +2001-06-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c: + Remove. + +2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/install-old.texi: Remove more obsolete documentation. + +Thu Jun 7 13:20:14 CEST 2001 Jan Hubicka <jh@suse.cz> + + * expr.c (copy_blkmode_from_reg): Fix operand_subword_force call. + +Thu Jun 7 12:12:58 CEST 2001 Jan Hubicka <jh@suse.cz> + + * toplev.c (rest_of_compilation): Call split_all_insns + before reg-stack and shorten-branches. Do shorten-branches + after reg-stack. + * final.c (shorten_branches): Remove insn splitting code. + +2001-06-07 Nathan Sidwell <nathan@codesourcery.com> + + * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support. + * configure: Rebuilt. + +2001-06-07 Andreas Jaeger <aj@suse.de> + + * emit-rtl.c (operand_subword): Remove unused variable. + +Wed Jun 6 14:51:05 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (floatdi?f): Avoid usinf of SSE instructions + if TARGET_64BIT is false. + (floatdi?f_i386_only): New insn. + (floatdi?f_i386): Disable for !TARGET_64BIT. + + * (min?f, max?f splitters): Handle case where + operands are cross-matched. + + * i386.h (HI_REGISTER_NAMES): Remove redundant definition + (MMX_REGISTER_NAMES): Kill. + (PRINT_OPERAND): Fix comment. + (PRINT_REG): Likewise. + * i386.c (print_reg): Kill support for 'm' CODE; simplify. + (print_operand): Update comment; kill 'm'. + + * i386.c (x86_branch_hints): New global variable + (print_operand): Support outputting of branch prediction hints. + * i386.md (conditional jump patterns): Add branch prediction hints + to the template. + * i386.h (x86_branch_hints): Declare + (TARGET_BRANCH_PREDICTION_HINTS): New macro. + (PRINT_OPERAND_FUNCT_VALID_P): New. + * final.c (final_forward_branch_p): New function. + +2001-06-06 Richard Henderson <rth@redhat.com> + + * flow.c (mark_used_reg): Clean up looping over multiple hard + registers. Do conditional life bits across multiple hard regs. + +2001-06-05 Jeffrey D. Oldham <oldham@codesourcery.com> + + * reload1.c (reload): Revert Schmidt's change so all USEs are not + deleted during reload. + +2001-06-05 Mark Mitchell <mark@codesourcery.com> + + * c-semantics.c (genrtl_scope_stmt): Write out nested inline + functions here, instead of ... + * c-decl.c (c_expand_body): ... here. + +2001-06-05 David O'Brien <obrien@FreeBSD.org> + + * config.gcc, config/sparc/bsd.h: Do not directly include + sparc/sparc.h. Instead do it via tm_file. + +2001-06-05 Richard Henderson <rth@redhat.com> + + * dwarf2.h (DW_EH_PE_aligned): New. + * dwarf2asm.c (eh_data_format_name): Name it. + (dw2_asm_output_encoded_addr_rtx): Align for it. + * dwarf2out.c (output_call_frame_info): Handle it for personality + routine and LSDA pointers. + + * unwind-pe.h (DW_EH_PE_aligned): New. + (base_of_encoded_value): Handle it. + (read_encoded_value_with_base): Likewise. + * unwind-dw2-fde.c (base_from_object): Likewise. + (get_cie_encoding): Likewise. + + * config/alpha/elf.h: Remove ecoff commentary. + * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New. + +2001-06-05 David O'Brien <obrien@FreeBSD.org> + + * config.gcc, config/i386/bsd386.h: Do not directly include + i386/386bsd.h. Instead do it via tm_file. + +2001-06-05 David O'Brien <obrien@FreeBSD.org> + + * elfos.h (USING_ELFOS_H): Identify the use of elfos.h in the same + way svr4.h does. + +2001-06-05 Pascal Obry <obry@act-europe.fr> + + * configure.in: Quote $enable_win32_registry in case the value has + spaces in it. + * configure: Ditto. + +2001-06-05 Mark Mitchell <mark@codesourcery.com> + + * print-rtl.c (xspaces): Remove. + (print_rtx): Use printf field-width, rather than xpsaces, to + indent. + * toplev.c (main): Disable sibling-call optimization if we are + handling exceptions. + +2001-06-05 Bernd Schmidt <bernds@redhat.com> + + * reload1.c (reload): Delete all USEs generated during reload. + +2001-06-05 scott snyder <snyder@fnal.gov> + + * gccbug.in: Fix typo. + +2001-06-05 Andreas Jaeger <aj@suse.de> + + * builtins.def: Fix definition of __builtin_cosf, it uses float as + parameter and return value. + +2001-06-04 Anthony Green <green@redhat.com> + + * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or + machine. This is now done in sparc.h. + +2001-06-05 Nathan Sidwell <nathan@codesourcery.com> + + Correct CVS resurrection of invoke.texi. + * doc/invoke.texi: Document new tree dump flags. + +2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking + for casting an aggregate to its own type. Fixes PR c/2735. + +2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/texinfo.tex: Update to version 2001-05-24.08. + +2001-06-05 Nathan Sidwell <nathan@codesourcery.com> + + * c-common.h (flag_dump_translation_unit): Remove. + (enum tree_dump_index): Define. + (TDF_ADDRESS, TDF_SLIM): New #defines. + (dump_node_to_file): Remove. + (dump_node): Make extern. Add flags. + (dump_flag, dump_enabled_p, dump_begin, dump_end, + dump_switch_p): Prototype. + * c-common.c (flag_dump_translation_unit): Remove. + * c-decl.c (c_decode_option): Remove -fdump-translation-unit + logic. Use dump_switch_p. + * c-dump.h (struct dump_info): Add node and user fields. + (dump_pointer): Declare. + * c-dump.c (dump_node): Make extern. Add flags. + (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines. + (dump_new_line, dump_maybe_newline): Use them. + (dump_pointer): New function. + (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's + chain or function's body. Dump address, if TDF_ADDRESS set. + (dump_flag): Define. + (dump_node_to_file): Remove. + (struct dump_file_info): New struct. + (dump_files): New array. + (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define. + * c-lang.c (finish_file): Adjust dumping. + * toplev.h (dump_base_name): Make extern. + * invoke.texi: Document new flags. + +2001-06-04 Mark Mitchell <mark@codesourcery.com> + + * c-tree.h (lang_decl): Add pending_sizes fields. + * c-decl.c (store_parm_decls): Save pending_sizes away for nested + functions. + (c_expand_body): Expand them. + (lang_mark_tree): Mark lang_decl:pending_sizes. + * function.c (expand_pending_sizes): New function, broken out + from ... + (expand_function_start): ... here. + * tree.h (expand_pending_sizes): Declare it. + +2001-06-04 Loren J. Rittle <ljrittle@acm.org> + + * doc/install.texi: Update FreeBSD information. Generalize + and update information for alpha-based platforms using ELF. + +2001-06-04 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P. + (store_parm_decls): Likewise. + * c-typeck.c (convert_arguments): Likewise. + +2001-06-04 Richard Henderson <rth@redhat.com> + + * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress + optimization if current_function_calls_setjmp. + +2001-06-04 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for + wide strings. + +Mon Jun 4 20:44:25 CEST 2001 Jan Hubicka <jh@suse.cz> + + * simplify-rtx.c (simplify_subreg): Fix combining of + paradoxical subregs. + +Mon Jun 4 20:15:25 CEST 2001 Jan Hubicka <jh@suse.cz> + + * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable. + (no_labels_between_p): Short circuit case beg==end. + +Mon Jun 4 20:03:05 CEST 2001 Jan Hubicka <jh@suse.cz> + + * rtlanal.c (operand_preference): Fix preference for objects. + +Mon Jun 4 20:00:40 CEST 2001 Jan Hubicka <jh@suse.cz> + + * gcse.c (handle_avail_expr): Be prepared to handle single_set + parallels. + +Mon Jun 4 19:59:46 CEST 2001 Jan Hubicka <jh@suse.cz> + + * combine.c (if_then_else_cond): Use simplify_subreg instead + of operand_subword. + * integreate.c (sub_constants): Likewise. + +Mon Jun 4 19:59:12 CEST 2001 Jan Hubicka <jh@suse.cz> + + * emit-rtl.c (constant_subword): Deprecate; remove most of code + and use simplify_gen_subreg. + +Mon Jun 4 19:55:23 CEST 2001 Lars Brinkhoff <lars@nocrew.org> + + * sibcall.c (skip_copy_to_return_value): recognize the situation + when the called function's return value is copied into an + intermediate pseudo, and then into the calling functions return + value register. + +Mon Jun 4 16:50:33 CEST 2001 Jan Hubicka <jh@suse.cz> + + * simplify_rtx.c (simplify_subreg): Keep subregs on return values, + check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg, + in case register wasn't OK previously, accept it now; allow + subregs of frame pointer if reload completed and frame pointer + is not needed. + + * combine.c (sombine_simplify_rtx): Fix comment; + use subreg_lowpart_offset instead of subreg_lowpart_p + (gen_lowpart_for_combine): Use subreg_lowpart_offset. + * rtl.h (subreg_lowpart_parts_p): Kill. + (subreg_lowpart_offset, subreg_highpart_offset): Declare. + * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset. + * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset; + (gen_lowpart_common): Likewise. + (subreg_lowpart_p): Likewise. + (subreg_lowpart_parts_p): Kill. + (subreg_lowpart_offset, subreg_highpart_offset): New function. + + * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg + to simplify SUBREG and REG. + (gen_highpart): Use simplify_gen_subreg for all simplifications. + + * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle + CONCAT specially. + + * rtlanal.c (replace_regs): Use simplify_gen_subreg + +Mon Jun 4 09:21:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be. + (ARRAY_RANGE_REF): Added description. + + * tree.def (ARRAY_RANGE_REF): New code. + * alias.c (handled_component_p, can_address_p): Handle it. + * dwarf2out.c (loc_descriptor_from_tree): Likewise. + * explow.c (set_mem_attributes): Likewise. + * expr.c (expand_assignment, get_inner_reference): Likewise. + (expand_expr, expand_expr_unaligned, do_jump): Likewise. + * fold-const.c (operand_equal_p): Likewise. + * tree.c (staticp, stabilize_reference): Likewise. + * varasm.c (decode_addr_const): Likewise. + +Sun Jun 3 21:59:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS. + (push_reload): Handle non-REG in reload_inner_reg_of_subreg case. + +2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp> + + * gcc/config/sh/sh.c (print_operand_address, print_operand): Call + mark_constant_pool_use before output_addr_const. + (struct pool_node): New field wend. + (add_constant): Note a sequence of constants that are referenced + by a given label. + (pool_window_label, pool_window_last): New variables. + (dump_table): Emit a unspec_volatile representing the end of a + sequence of constants. + (mark_constant_pool_use): New function. + * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant. + (consttable_2): Add the second operand which flags whether + this consttable entry was used or not. + (consttable_4, consttable_8, consttable_sf, consttable_df): + Likewise. + (consttable_window_end): New insn. + +2001-06-03 Alexandre Oliva <aoliva@redhat.com> + + * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned. + Reformat according to coding standards. + + Warning removal. + * config/sh/sh.c (print_operand_address): Cast INTVAL to int. + (shl_and_kind): Cast wide constant. + (gen_far_branch): Define as static, as in declaration. + (barrier_align): Compute cache-line length as unsigned. Add + parentheses in initial credit computation. + (rounded_frame_size): Add parentheses. + (permanent_obstack): Remove declaration. Include ggc.h for + declaration of ggc_add_root_rtx(). + (get_free_reg): Removed declaration of unused variable reg. + (legitimize_pic_address): Mark mode argument as unused. + +2001-06-03 Igor Shevlyakov <igor@windriver.com> + + * config/sh/sh.c (output_branch): Support for insn with lenght + attr 12 & 16 which represents cond branches outside +-4096 range. + +2001-06-03 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/lib1funcs.asm (ic_invalidate): Align the + cache-mirroring sequence. Add nops. + +2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/install-old.texi: Remove more old installation + documentation. + * doc/install.texi: Add relevant parts here. + +2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/install.texi2html: New script. + +2001-06-03 David Edelsohn <edelsohn@gnu.org> + + * doc/install.texi: Update AIX information again. + +2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/gcc.texi, doc/install-old.texi: Remove old system-specific + installation documentation. + * doc/install.texi: Move it to here. + +2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/install.texi: Clean up Texinfo markup. + +2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents + to just after title page. + +2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk> + + * doc/install-old.texi: Remove documentation of some configuration + options. + * doc/install.texi: Add relevant parts of this documentation here. + +2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers, + Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley. + +Sat Jun 2 12:23:51 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (all uses of ext_register_operand): Make sure they are + VOIDmode; replace all uses outside zero_extend. + (and?i splitters): Use ext_register_operands. + (test?i peep2): Remove ignored constraints. + * i386.c (ext_register_operand): Check that operand is + either pseudo or hard or 'Q' register. + +Sat Jun 2 06:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * tree.h (struct record_layout_info_s): New field unpadded_align. + (set_lang_adjust_rli): New declaration. + * stor-layout.c (layout_decl): If DECL is packed, but at alignment + it would have if not packed, do not downgrade DECL_ALIGN. + (lang_adjust_rli, set_lang_adjust_rli): New. + (start_record_layout): Initialize new field unpadded_align. + (debug_rli): Display it. + (place_union_field, place_field): Set it. + (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set. + + * print-tree.c (print_node): Don't print "regdecl" when bit doesn't + mean that; use proper names instead. + Print DECL_NO_STATIC_CHAIN. + + * except.c (expand_builtin_frob_return_addr): Add missing call + to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED. + (expand_builtin_eh_return): Likewise. + (expand_eh_return): Clean up ptr_mode != Pmode cases. + +2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl> + + * doc/invoke.texi: Remove references to papers about sequence points + to readings.html, refer to that page. + +2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * README: Update references to installation instructions. + +2001-06-01 Laurent Guerby <guerby@acm.org> + Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/install.texi: Define srcdir when sources come from CVS. + Significantly improve markup. Wrap overly long lines + +2001-06-01 DJ Delorie <dj@redhat.com> + + * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi, + extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi, + objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1, + gcov.1: Move to doc subdirectory. + * install.texi: Move to doc/install-old.texi. + * gcc.texi: Move to doc, refer to install-old.texi. + * Makefile.in: Reflect move of docs to doc/. + * f/Make-lang.in: Ditto. + * java/Make-lang.in: Ditto. + * doc/.cvsignore: New. + +2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl> + + * invoke.texi: use two spaces between command options, eliminate + some 'overfull hboxes' + +2001-06-01 Hans-Peter Nilsson <hp@axis.com> + + * Makefile.in (s-mlib): Make backtick-commands always succeed. + (DRIVER_DEFINES): Ditto. + +2001-05-31 Richard Henderson <rth@redhat.com> + + * gcc.c (init_gcc_specs): When linking against libgcc_s.so, + also link against libgcc.a. + +2001-05-31 Geoff Keating <geoffk@cygnus.com> + + * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function. + * config/mips/mips.c (mips_output_ascii): New function. + * config/mips/mips-protos.h (mips_output_ascii): Prototype. + + * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4. + +Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz> + + * flow.c (set_block_for_new_insns): Remove bogus shortcut. + * i386.c (ix86_expand_int_movcc): Force one of operands to be register. + +2001-05-31 Rodney Brown <rbrown64@csc.com.au> + + * install.texi (Configuration): Add html links for --with-gnu-as & + --with-gnu-ld and refer to them from hppa & SCO triplets. + (Specific): Link back to with-gnu-ld for all ELF platfoms. + (Specific): Reword AVR binutils recommendation. + +2001-05-30 Zack Weinberg <zackw@stanford.edu> + + * ggc-page.c (size_lookup): Increase minimum allocation size + to eight bytes. + (ggc_print_statistics): Report size of each bin in bytes, not + as its order; there is no longer a direct relationship. + +2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl> + + * extend.texi: Fix formating of examples, eliminate some + 'overfull hboxes'. + * gcc.texi: Eliminate some 'overfull hboxes'. + * invoke.texi: Use two spaces between command options, eliminate + some 'overfull hboxes'. + +2001-05-30 Richard Henderson <rth@redhat.com> + + * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1. + +2001-05-30 Tom Tromey <tromey@redhat.com> + + * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix, + use it in the new association. + +2001-05-30 Loren J. Rittle <ljrittle@acm.org> + John David Anglin <dave@hiauly1.hia.nrc.ca> + + * gthr-posix.h (__gthread_active_ptr): Cast function pointer + to target type to allow ISO C++ compiler to accept it. + * gthr-dce.h (__gthread_active_ptr): Likewise. + * gthr-solaris.h (__gthread_active_ptr): Likewise. + +2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001 + so that we do accept comments in preprocessed input. + +2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.c (alloc_node): Cast allocated pointer. + +2001-05-30 Gordon Sadler <gbsadler1@lcisp.com> + + * invoke.texi (Option Summary): Remove -isystem-c++ from options. + +2001-05-29 Stan Shebs <shebs@apple.com> + + * gcc.texi: Add links for information about Objective-C. + +2001-05-29 Nathan Sidwell <nathan@codesourcery.com> + + * configure.in (gcc_version): Remove unrequired \ on ". (Solaris + /bin/sed fails on [^\"]). + (configargs.h): Likewise. + +2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de> + + * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF. + +2001-05-28 Stan Shebs <shebs@apple.com> + + * objc/objc.gperf: Remove, no longer used. + +2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi, + gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi: + Remove trailing whitespace. + +2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/ + became http://freeware.sgi.com/. + +2001-05-27 Geoffrey Keating <geoffk@redhat.com> + + * local-alloc.c (update_equiv_regs): Don't eliminate constant + expressions at -O0. + +2001-05-27 Stan Shebs <shebs@apple.com> + + * objc/objc-act.c: Add/fix various comments. + (init_selector): Remove, no longer used. + (build_msg_pool_reference): Ditto. + (objc_debug): Ditto. + +2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-decl.c (init_decl_processing): + Don't call start_identifier_warnings. + * flags.h (warn_id_clash, id_clash_len): Remove. + * stringpool.c: Don't include flags.h. + (scan_for_clashes, do_identifier_warnings, + start_identifier_warnings): Remove. + * toplev.c (warn_id_clash, id_clash_len): Remove. + (display_help): Don't document -Wid-clash. + (decode_W_option): Print warning on -Wid-clash. + * tree.h (start_identifier_warnings): Remove. + * invoke.texi: Remove documentation of -Wid-clash. + +2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * fixinc/fixtests.c: Declare entries in ENV_TABLE. + +2001-05-27 Bruce Korb <bkorb@gnu.org> + + * fixinc/check.tpl(HACK) add and use a Scheme variable + (has no test text): error out if no "test_text" is defined + * fixinc/fixincl.tpl: likewise + (FIXIDX): make it an enumeration so we minimize diffs + * fixinc/inclhack.def: re-alphabetize and add sort instructions + * fixinc/fixincl.x: regenerate + * fixinc/tests/base/stdio.h: test output got moved due to + the alphabetizing + * README-fixinc: rewrite (mostly) + +2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplib.c (run_directive): Set pfile->directive. + +2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr> + + * c-tree.texi: Reformat the manual as a single chapter now + included by gcc.texi. + * gcc.texi: Include c-tree.texi. Merge all indexes. + * Makefile.in (dvi): Add generation for the cppinternals + documentation. Added dependencies on fdl.texi and c-tree.texi + where appropriate. Use TEXI2DVI instead of custom tex calls. + (info): Added dependencies on fdl.texi and c-tree.texi where + appropriate. Remove the target c-tree.info. + +2001-05-27 Lars Brinkhoff <lars@nocrew.org> + + * combine.c (try_combine): Fix typo in comment. + * expr.c (expand_expr): Likewise. + * config/i370/i370.md (untyped_call): Likewise. + +2001-05-26 Bruce Korb <bkorb@gnu.org> + + * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX" + when fixincl is operating in test mode + * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics + (AAB_ultrix_limits): remove redundant text + (AAB_ultrix_memory): ditto + (AAB_ultrix_string): ditto + (djgpp_wchar_h): fix the test text + (irix_stdio_va_list): add test text + (irix_limits_const): add a testing output file (limits.h is overwritten) + (strict_ansi_not_ctd): put limits.h second in list for same reason + (solaris27_mutex_init): test text needed selection text, too + + * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX" + when fixincl is operating in test mode + +2001-05-26 Philip Blundell <philb@gnu.org> + + * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H. + * config/i960/i960-protos.h: Likewise. + * config/i370/i370-protos.h: Likewise. + * config/h8300/h8300-protos.h: Likewise, + * config/sh/sh-protos.h: Likewise. + * config/v850/v850-protos.h: Likewise. + +2001-05-26 Philip Blundell <philb@gnu.org> + + * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H. + +2001-05-25 Zack Weinberg <zackw@stanford.edu> + + * toplev.c (debug_args, f_options, W_options): Mark + descriptions for translation. + (display_help): Translate descriptions on output. + + * cp/lang-options.h, f/lang-options.h, java/lang-options.h, + objc/lang-options.h: Mark descriptions for translation. + + * aclocal.m4: Quote final argument of patsubst. Use + 3-argument form of AC_DEFINE. Restore quotes to [] while + using AC_FD_CC. + * configure.in: Remove unnecessary changequote calls. + * configure, config.in: Regenerate. + +2001-05-25 Sam TH <sam@uchicago.edu> + + * basic-block.h: Fix header include guards. + * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h + cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h + except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h + gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h + gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h + insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h + rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h + varray.h version.h: Likewise. + * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h + config/arm/arm.h config/c4x/c4x-protos.h + config/h8300/h8300-protos.h config/h8300/h8300.h + config/i370/i370-protos.h config/i370/i370.h + config/i960/i960-protos.h config/mcore/mcore.h + config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h + config/v850/v850-protos.h config/v850/v850.h: Likewise. + * fixinc/fixlib.h fixinc/server.h: Likewise. + +2001-05-25 Stacey Sheldon <ssheldon@Catena.com> + + * config/arc/initfini.c (.init): Fix typo. + +2001-05-25 Geoffrey Keating <geoffk@redhat.com> + + * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4. + +2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages. + +2001-05-25 Richard Henderson <rth@redhat.com> + + * libgcc-std.ver: Export XFmode and TFmode versions of symbols. + +2001-05-25 Richard Henderson <rth@redhat.com> + + * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux. + (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld. + (sparc*-*-solaris2): Likewise. + * config/t-linux: Remove shared libgcc macros. + * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc. + * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld. + +2001-05-25 Loren J. Rittle <ljrittle@acm.org> + + * config.gcc (*-*-freebsd*): Report bad configuration. + +2001-05-25 David Edelsohn <edelsohn@gnu.org> + + * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker. + + * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have + any prefix. + (ASM_OUTPUT_LABELREF): Delete. + +2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd, + strict_ansi_only): Don't run if stdc_0_in_system_headers. + * fixinc/fixincl.x: Regenerate. + * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function. + (FIX_TEST_TABLE): Declare it. + * fixinc/fixlib.h: Include config.h. + +2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * fixinc/inclhack.def (alpha___assert): Change char * args to + const char * on Tru64 UNIX to avoid excessive warnings from + assert.h. + * fixinc/fixincl.x: Regenerate. + +2001-05-25 Geoff Keating <geoffk@redhat.com> + + * dbxout.c (dbxout_symbol): Invert previous patch, which was + outputting a tag only for variable-size records. + +2001-05-25 Jeff Knaggs <jknaggs@redhat.com> + + * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p + instead of rtx_equal_p for early clobber test. + +2001-05-26 Mark Mitchell <mark@codesourcery.com> + + * builtins.def: Encode additional information, such as names and + types, here. + * builtin-types.def: New file. + * builtins.c (built_in_names): Adjust use of DEF_BUILTIN. + (built_in_decls): Likewise. Don't explicitly initialize global + data to NULL. + (expand_builtin_mathfn): Handle float and long double variants of + math builtins. + (expand_builtin): Likewise. + * c-common.c (c_common_nodes_and_builtins): Make it table-driven. + (expand_tree_builtin): Handle long, long long, float, and long + double variants of math functions. + * c-common.h (c_tree_index): Remove some unused nodes. + (void_ftype): Remove. + (void_type_ptr): Likewise. + (int_ftype_int): Likewise. + (ptr_ftype_sizetype): Likewise. + * c-decl.c (init_decl_processing): Remove creation of DWARF + builtins. + * defaults.h (MD_INIT_BUILTINS): Provide default definition. + * tree.h (built_in_function): Adjust definition of DEF_BUILTIN. + * Makefile.in (c-common.o): Depend on builtin-types.def. + +2001-05-25 Dale Johannesen <dalej@apple.com> + + * config/rs6000/t-darwin: Fix dependencies for darwin.o. + +2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-parse.in (notype_initdcl): Remove redundant line. + +2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * aclocal.m4: Fixed typo. + (gcc_AC_HEADER_STDBOOL): Define. + (gcc_AC_C__BOOL): Define. + * configure.in: Use them. + (AC_CHECK_HEADERS): Remove stdbool.h + * configure, config.in: Regenerate. + +2001-05-25 Richard Henderson <rth@redhat.com> + + * function.c (expand_function_start): Don't abort on PARALLEL + returns from hard_function_value. + +2001-05-25 Richard Henderson <rth@redhat.com> + + * config/i386/i386.md: Revert previous change. Do not apply + the peephole if the components do not die after the sequence. + +2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-parse.in (array_declarator): New. Handle C99 constructs. + Don't restrict [*] declarators to C only. + (after_type_declarator, parm_declarator_starttypename, + parm_declarator_nostarttypename, notype_declarator, + direct_absdcl1): Use it. + * c-decl.c (build_array_declarator, set_array_declarator_type): + New functions. Warn that [*] isn't properly implemented; pedwarn + for [*] outside C99 mode if pedantic rather than giving a hard + error. + (grokdeclarator): Handle static and type qualifiers in parameter + array declarators. + * c-tree.h (build_array_declarator, set_array_declarator_type): + Declare. + * extend.texi (Attribute Syntax): Document attributes in parameter + array declarators. + +2001-05-25 Mark Mitchell <mark@codesourcery.com> + + * config/i386/i386.md: Make sure cmpstr peepholes do not + affect liveness information. + +2001-05-24 Mark Mitchell <mark@codesourcery.com> + + * c-typeck.c (digest_init): Issue error messages about + invalid constants, not warnings. + +2001-05-24 Mark Mitchell <mark@codesourcery.com> + + * invoke.texi (-fno-builtin): Document that this is always on + in C++. + +2001-05-24 Philip Blundell <philb@gnu.org> + + * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is + required. + +2001-05-24 Philip Blundell <philb@gnu.org> + + * config/arm/arm.c (output_return_instruction): Correctly handle + interworking and interrupt functions. + +2001-05-24 Philip Blundell <philb@gnu.org> + + * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for + -m{no-}sched-prolog. Fix typos and improve formatting. + +2001-05-24 Philip Blundell <philb@gnu.org> + + * invoke.texi (ARM Options): Improve wording slightly. Add + documentation for more options, including those for Thumb mode. + Don't mention options that don't exist or are unimplemented. + (Thumb Options): Delete; merged into above section. + +2001-05-24 Geoff Keating <geoffk@redhat.com> + + * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define. + (MD_FALLBACK_FRAME_STATE_FOR): Use it. + +Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz> + + * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification; + fix hard register simplification. + +Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead + of just copying CPP_CPU_SPEC. + +Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (incdec_operand): Accept only 1 and -1. + +2001-05-23 Kelley Cook <kelley.cook@home.com> + + * Makefile.in: Move many of the *_H definitions eariler in the + file, so that rules in t-* files that use them for + dependencies will work in a parallel build. + * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H). + +2001-05-23 Richard Henderson <rth@redhat.com> + + * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT. + +2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpp.texi: Update for handling of charconsts. + * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update + diagnostics. Skip to the end if the UCS is too short. + (cpp_interpret_charconst): Long charconsts issue a warning + not an error. + +2001-05-23 Richard Henderson <rth@redhat.com> + + * doc/install.texi (alpha-linux): Require binutils 2.11. + +2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lex.c (read_escape, read_ucs): Delete. + (lex_string): Use cpp_parse_escape. + * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing + if not C++ or not C99. Warn if traditional. + (parse_escape): Rename cpp_parse_escape. Make the bitmask + unsigned. Warn for out-of-range escape sequences here. + Update to use maybe_read_ucs. + (cpp_interpret_charconst): Don't warn here. + * cpplib.h (cpp_parse_escape): New exported function. + +2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk> + + * extend.texi (Attribute Syntax): Clarify application of + attributes to parameters declared as functions or arrays. + +2001-05-23 Jason Merrill <jason_merrill@redhat.com> + + * dbxout.c (dbxout_type_methods): Do still group methods by name. + +2001-05-23 Zack Weinberg <zackw@stanford.edu> + + * diagnostic.c (vnotice): Kill. + (fnotice): Call vfprintf directly. + (diagnostic_for_decl, output_do_verbatim, output_verbatim, + verbatim, set_diagnostic_context): Rename string argument to + indicate that it is run through gettext. + (vbuild_message_string, build_message_string, output_do_printf): + Rename string argument to indicate that it is NOT run through + gettext. + (output_printf, diagnostic_for_decl, fatal_io_error, sorry, + output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn): + Run msgid argument through gettext. + (default_print_error_function): Run constant strings through + gettext when nothing else will. + (fatal_error, internal_error, error_recursion): Use fnotice. + Present complete sentences to gettext. + +2001-05-23 Mark Mitchell <mark@codesourcery.com> + + * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change. + +2001-05-23 Richard Henderson <rth@redhat.com> + + * function.c (expand_function_start): Always use a pseudo + for the function result value. + +2001-05-22 Richard Henderson <rth@redhat.com> + + * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the + section pointer alignment. + + * doc/install.texi (alpha-linux): Require binutils >= 2.10. + + * unwind-dw2-fde.c (__deregister_frame_info): Stringize use + of __USER_LABEL_PREFIX__. + +2001-05-22 Richard Henderson <rth@redhat.com> + + * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of... + (__deregister_frame_info_bases): New. + * unwind-dw2-fde.h: Declare it. + * libgcc-std.ver: Export it. + * crtstuff.c (__do_global_dtors_aux): Call it if we would have + called __register_frame_info_bases. + +2001-05-22 Loren J. Rittle <ljrittle@acm.org> + + * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair + instead of #elif (which is OK for this case but not in general). + +2001-05-22 Andrew MacLeod <amacleod@redhat.com> + + * builtins.c (expand_builtin_longjmp): A longjmp can be a call too. + * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer + parameters to __ia64_nonlocal_goto. Flag as NO_RETURN. + * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing + "r2" to the assembly file. Only issue allocs with non-zero parameters. + +2001-05-22 Loren J. Rittle <ljrittle@acm.org> + David O'Brien <obrien@freebsd.org> + + * config/freebsd.h (LIB_SPEC): Key the exact setting to + configure-time options and target version of FreeBSD. Set-up + to match architectural change in threading support. Correctly + report when -pthread option is not supported by configure-time + options. + (FBSD_CPP_PREDEFINES): Move from architecture-specific files + and extend to encode target version number in run-time setting + of __FreeBSD__ macro to match the system compiler. + (CPP_PREDEFINES): Likewise. + (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG. + + * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h. + * config/i386/freebsd.h (CPP_PREDEFINES): Likewise. + +2001-05-22 Loren J. Rittle <ljrittle@acm.org> + David O'Brien <obrien@freebsd.org> + + * config.gcc (the unlabeled system switch statement): Add + generic configuration section to handle *-*-freebsd*. Also, + to match the system compiler, default to threading support (it + may be disabled with the standard --disable-threads + configuration-time switch). + (i[34567]86-*-freebsd* in machine-specific section): Use it. + (alpha*-*-freebsd* in machine-specific section): Likewise. + + * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3). + * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4). + * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5). + * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6). + * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro. + +2001-05-22 Loren J. Rittle <ljrittle@acm.org> + David O'Brien <obrien@freebsd.org> + + * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC. + * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add + -pthread instead setting macro. + +2001-05-22 Richard Henderson <rth@redhat.com> + + * crtstuff.c (__register_frame_info_bases): Declare. + (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA. + (__do_global_dtors_aux, __do_global_dtors): Streamline. + + * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New. + (CRT_GET_RFIB_DATA): New. + * config/i386/sysv4.h: Likewise. + * config/i386/sco5.h: Likewise. + (ASM_PREFERRED_EH_DATA_FORMAT): New. + +2001-05-22 Richard Henderson <rth@redhat.com> + + * rtl.c (read_string): Break out from ... + (read_rtx): ... here. + +2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * doc/install.texi (Specific): Remove a bogus and duplicate part + copied from the end of the document. + +2001-05-22 Bernd Schmidt <bernds@redhat.com> + + * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency. + +2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * install.texi: Remove obsolete information on SunOS as well as + i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*. + (Installing GNU CC on the Sun): Remove section. + +2001-05-22 Alexandre Oliva <aoliva@redhat.com> + + * cppfiles.c (remove_component_p): Don't assume lstat/stat will + keep errno unchanged on success. + +2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly + once for hexadecimal floats, whether or not they contain a decimal + point. Don't let the setting of pedantic otherwise affect the + parsing of hexadecimal floats. + +2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * README.ACORN: Remove obsolete file. + +2001-05-22 Jan Hubicka <jh@suse.cz> + + * combine.c (gen_binary): Use swap_commutative_operands_p + (simplify_comparison): Likewise. + * expmed.c (emit_store_flag): Likewise. + * expr.c (compare_from_rtx): Likewise. + (do_compare_rtx_and_jump): Likewise. + * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort + if not emitting a branch and operands want swapping. + +2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one. + * stringpool.c: (IS_FE_IDENT, make_identifier): Delete. + (maybe_get_identifier): Update. + * tree.h (make_identifier): Delete. + +2001-05-21 Richard Henderson <rth@redhat.com> + + * combine.c (subst): Do not substitute for a register as + a destination subreg/strict_low_part/zero_extract. + + * combine.c (simplify_comparison): Update op1 after constant + extension. + * recog.c (const_int_operand): Accept only constants valid + for the given mode. + * genrecog.c: Update comments wrt const_int_operand. + + * emit-rtl.c (init_emit_once): Zero unused memory in a + CONST_DOUBLE. + +2001-05-21 Mark Mitchell <mark@codesourcery.com> + + * tree.h (type_num_arguments): Declare it. + * tree.c (type_num_arguments): New function. + +2001-05-21 Richard Henderson <rth@redhat.com> + + * dwarf2out.c (current_funcdef_number): Move outside dwarf2 + conditional ifdef. + +2001-05-21 Geoff Keating <geoffk@redhat.com> + + * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax. + (maxsf3+1): Delete. + (minsf3): Use rs6000_emit_minmax. + (minsf3+1): Generalize to handle both SMIN and SMAX. Use + rs6000_emit_minmax. + (movsfcc): Use rs6000_emit_cmove. + (fselsfsf4): Don't compare a CONST_INT with a floating-point value. + Don't generate emit_fselsfsf4. + (fseldfsf4): Likewise. + (maxdf3): Use rs6000_emit_minmax. + (maxdf3+1): Delete. + (mindf3): Use rs6000_emit_minmax. + (mindf3+1): Generalize to handle both SMIN and SMAX. Use + rs6000_emit_minmax. + (movdfcc): Use rs6000_emit_cmove. + (fseldfdf4): Don't compare a CONST_INT with a floating-point value. + Don't generate emit_fselsfsf4. + (fselsfdf4): Likewise. + * config/rs6000/rs6000.c (zero_fp_constant): New predicate. + (min_max_operator): New predicate. + (rs6000_emit_cmove): New function. + (rs6000_emit_minmax): New function. + * config/rs6000/rs6000-protos.h: Prototype new functions. + * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant + and min_max_operator. + + * config/rs6000/rs6000.c (output_cbranch): Handle all + conditional types in the switch statement. + +2001-05-21 Mark Mitchell <mark@codesourcery.com> + + * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for + non-register variables. + * extend.texi: Document that asm-specifications do not make sense + for non-static local variables. + +2001-05-21 Jason Merrill <jason_merrill@redhat.com> + + * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose. + (dbxout_type_fields): Lose minimal_debug support. + (dbxout_type_methods, dbxout_type): Likewise. + +2001-05-17 Andrew Haley <aph@redhat.com> + + * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New. + +2001-05-21 Richard Henderson <rth@redhat.com> + + * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION. + Update all users. + +2001-05-20 Richard Henderson <rth@redhat.com> + + * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION, + DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION, + DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users. + * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION, + DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION): + Likewise. + * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION, + DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION, + DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above. + (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New. + * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION, + DEBUG_PUBNAMES_SECTION): Rename as above. + (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New. + +2001-05-20 Richard Henderson <rth@redhat.com> + + * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative + operands unless the operation is commutative. + +2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative + cases. + +2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk> + + * extend.texi: Clarify documentation of extensions included in ISO + C99. Prefer C99 terminology and syntax to old GNU terminology and + syntax. Add more index entries. Document mixed declarations and + code as an extension in C89 mode. Warn about future changes to + semantics of inline functions. Fixes PR other/930. + +Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (expand_expr, case ARRAY_REF): Don't fold constant + access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER. + (expand_expr, case COMPONENT_REF): Do copy if misaligned even + if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER. + + * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL. + +2001-05-20 Richard Henderson <rth@redhat.com> + + * sched-deps.c (sched_analyze_insn): Force volatile memory reads + to be output before a branch. + +2001-05-20 Richard Henderson <rth@redhat.com> + + * Makefile.in (dwarf2asm.o): Depend on $(TREE_H). + +2001-05-20 Richard Henderson <rth@redhat.com> + + * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t. + (ASM_DOUBLE): Remove. + * config/i386/bsd.h, config/i386/sco5.h: Likewise. + * config/i386/sun386.h: Likewise. + + * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New. + (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New. + + * config/i386/cygwin.h (INT_ASM_OP): Remove. + * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise. + * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise. + * config/i386/netbsd.h, config/i386/openbsd.h: Likewise. + + * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t. + * config/i386/djgpp.h, config/i386/i386.h: Likewise. + * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise. + * config/i386/sco5.h, config/i386/svr3gas.h: Likewise. + * config/i386/sysv4.h, config/i386/vsta.h: Likewise. + * config/i386/win32.h: Likewise. + +2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk> + + * invoke.texi: Add more options to summary list. + +2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk> + + * invoke.texi: Document meaning of -pedantic when -std=gnu* is + used. Fixes PR c/2291. + * gcc.1: Regenerate. + +2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore + the -fpic and -fPIC options, clear flag_pic. + +2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk> + + * hashtable.c (calc_hash): Fix HASHSTEP definition. + * stringpool.c (make_identifier): No statistics here anymore. + * objc-act.c (steup_string_decl): Remove redundant check. + +2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk> + + * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS, + cpplib.o, cpphash.o, fix-header): Update. + (hashtable.o): New target. + * c-common.h: Include cpplib.h. Define C_RID_CODE and + struct c_common_identifier here. + * c-lang.c (c_init_options): Update. Call set_identifier_size. + * c-lex.c (c_lex): Update. + * c-pragma.h: Update. + * c-tree.h (struct lang_identifier): Contain c_common_identifier. + Delete rid_code. + (C_RID_CODE): Delete. + * cpphash.c: Rewrite to use hashtable.c. + * cpphash.h: Update include guards. + (struct cpp_reader): Remove hashtab. + hash_ob and buffer_ob are no longer pointers. Add hash_table + and our_hashtable. + (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete. + (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable. + (_cpp_cleanup_stacks): Rename _cpp_init_directives. + * cppinit.c (cpp_create_reader): Update. + * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update. + (cpp_interpret_charconst): Eliminate warning. + * cpplib.c (do_pragma, do_endif, push_conditional, + cpp_push_buffer, cpp_pop_buffer): Update. + (_cpp_init_stacks): Rename cpp_init_directives. + (_cpp_cleanup_stacks): Remove. + * cpplib.h: Update include guards. Include tree-core.h and c-rid.h. + (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME, + cpp_forall_identifiers, cpp_create_reader): Update. + (C_RID_CODE, cpp_make_node): New. + (c_common_identifier): New identifier node for C front ends. + * cppmain.c (main): Update. + * fix-header.c (read_scan_file): Update. + * flags.h (id_clash_len): Make unsigned. + * ggc.h (ggc_mark_nonnull_tree): New. + * hashtable.c: New. + * hashtable.h: New. + * stringpool.c: Update comments and copyright. Update to use + hashtable.c. + * toplev.c (approx_sqrt): Move to hashtable.c. + (id_clash_len): Make unsigned. + * toplev.h (ident_hash): New. + * tree.c (gcc_obstack_init): Move to hashtable.c. + * tree.h: Include hashtable.h. + (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update. + (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New. + (struct tree_identifier): Update. + (make_identifier): New. +cp: + * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update. + (C_RID_CODE): Remove. + * lex.c (cxx_init_options): Call set_identifier_size. Update. + (init_parse): Don't do it here. +objc: + * objc-act.c (objc_init_options): Call set_identifier_size. Update. + +Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com> + + * except.c (dw2_build_landing_pads): Use word_mode, not Pmode, + as ncessary. + (expand_eh_return): Convert between word_mode and Pmode. + * unwind-dw2.c (extract_cie_info): Do not assume words and pointers + are the same size. + (execute_stack_op): Likewise. + (execute_cfa_program): Likewise. + (uw_frame_state_for): Likewise. + (uw_update_context_1): Likewise. + * unwind.inc (_Unwind_Reason_Code): Likewise. + * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define. + (EH_RETURN_STACKADJ_RTX): Likewise. + * config/mips/mips.c (compute_frame_size): Make space for saving + EH return registers. + (mips_expand_epilogue): Handle EH stack adjustments. + * config/mips/mips.md (eh_return): New pattern. + (eh_set_lr_si): Likewise. + (eh_set_lr_di): Likewise. + Add splitter to perform EH return after reload. + +2001-05-19 Mark Mitchell <mark@codesourcery.com> + + * jump.c (mark_jump_label): Tidy previous change. + +2001-05-19 Bruce Korb <bkorb@gnu.org> + + * fixinc/genfixes: no need for two warnings + * fixinc/Makefile.in: open stdin for those building with a closed one. + +2001-05-19 Mark Mitchell <mark@codesourcery.com> + + * jump.c (jump_optimize_1): Tidy. + (mark_jump_label): When changing the label in a LABEL_REF, change + update any REG_EQUAL notes as well. + +2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-parse.in (parm_declarator): Split into + parm_declarator_starttypename and parm_declarator_nostarttypename. + (parm_declarator_starttypename, parm_declarator_nostarttypename): + New. Allow parenthesised sub-declarators which don't begin with a + TYPENAME. Fixes PR c/166. + +2001-05-19 Mark Mitchell <mark@codesourcery.com> + + * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New + macro. + * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): + Document it. + * toplev.c (main): If the target does not allow profiling without + a frame pointer, issue an error message. + * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): + Define it to false. + +Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * recog.c (general_operand): Modify last change to allow it if reload + has completed. + +Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz> + + * recog.c (general_operand): Prohibit nonzero subreg bytes on + subregs containing mem. + +Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru> + + * regrename.c (regrename_optimize): frame pointer register can + use a few hardregs. + +2001-05-18 Jason Merrill <jason_merrill@redhat.com> + + * README.DWARF: Move into dwarfout.c. + +2001-05-18 Dale Johannesen <dalej@apple.com> + + * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin + specific misuse of r0 as a reload address. + +Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz> + + * combine.c (combine_simplify_rtx): Clear op0_mode if simplification + succeeded. + +Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe. + (add_to_sequence): Make that decision type. + (maybe_both_true_2, nodes_identical_1, factor_tests): Use it. + (write_switch, write_cond, debug_decision_2): Likewise. + + * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing + for INTEGER_TYPE. + (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of + variable size. + +2001-05-18 Stan Shebs <shebs@apple.com> + + * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers. + * configure: Regenerate. + +2001-05-18 Per Bothner <per@bothner.com> + + Changes needed for java/jvspec.c + * gcc.h (n_infiles, outfiles): Add declarations. + * gcc.c (n_infiles, outfiles): Mske no longer static. + +Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com) + + * config/pa/som.h (EXCEPTION_SECTION): Define. + +2001-05-18 Daniel Berlin <dan@cgsoftware.com> + + * dwarf2out.c: Add dw_loc_list_ref, a reference to a location + list. + Add have_location_lists, a variable to determine whether we need a + .debug_loc section or not. + (enum dw_val_class): Add dw_val_class_loc_list. + (dw_val_struct): Add val_loc_list. + (dw_loc_list_struct): New structure, represents location lists. + (new_loc_list): New function, return a new location list, given + the range and location expression. + (add_loc_descr_to_loc_list): New function, add a location + expression to a location list, given the expression and range. + (output_loc_list): New function, output a location list. + (gen_internal_sym): Modified to take symbol prefix, so we can + reuse it for location list symbols. + (add_AT_loc_list): New function, add a location list to a DIE at + the named attribute. + (AT_loc_list): New function, return the location list reference + for a given attribute, if it's a location list. + (print_die): Handle dw_val_class_loc_list. + (size_of_die): Ditto. + (value_format): Ditto. + (output_die): Ditto. + (output_location_lists): New function, output all of the location + lists for a DIE and it's children. + (dwarf2out_finish): Call output_location_lists if we have location + lists. + + +Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz> + + * gcse.c (try_replace_reg): First try global replace, later try to + simplify the expression. + + * gcse.c (find_used_regs): Change calling convention; work via + note_uses. + (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too. + +2001-05-18 Bernd Schmidt <bernds@redhat.com> + + Revert + 2001-02-09 Nick Clifton <nickc@redhat.com> + * config/arm/arm.md: Change output constraint on post inc + load/store multiple patterns to be a read/write constraint. + +2001-05-18 Mark Mitchell <mark@codesourcery.com> + + * basic-block.h (struct basic_block_def): Add documentation about + what a basic block is, and what the various fields are used for. + * flow.c (calculate_globlal_regs_live): Add documentation about + how the algorithm works, and how we know that it will terminate. + Check that the the inductive assumption that guarantees + termination actually holds. + (mark_used_regs): Treat conditionally set registers as used. + (debug_regset): Add comment. + * rtl.texi (cond_exec): Add documentation. + + * function.c (expand_function_start): Avoid creating BLKmode + pseudos. + +2001-05-17 Mark Mitchell <mark@codesourcery.com> + + * dwarf2out.c (output_comp_unit): Always output a compilation-unit + DIE, even if it has no children. + (dwarf2out_finish): Always output the line-number table, even if + it has no content. + +2001-05-18 David Edelsohn <edelsohn@gnu.org> + + * rs6000.md (movsfcc,movdfcc): Remove NE case. + +2001-05-17 Bruce Korb <bkorb@gnu.org> + + * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template + * fixinc/genfixes: emit a warning if AutoGen is out of date + +2001-05-17 Brendan Conoboy <blc@cygnus.com> + Bruce Korb <bkorb@gnu.org> + + * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not + found in fixinc directory. Facilitates binary distributions. + +2001-05-17 Jeffrey Oldham <oldham@codesourcery.com> + + * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not + COMPLEX_TYPE. + +Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl> + + * dwarf2out.c (modified_type_die): Equate qualified type to die. + +Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz> + + * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg. + (simplify_subreg): Handle complex types represented as CONCAT. + + * recog.c (validate_replace_rtx_1): Properly canonicalize expression + * rtl.h (swap_commutative_operands_p): Declare. + * rtlanal.c (swap_commutative_operands_p): New. + (operand_preference): New static function. + + * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p. + (gen_binary): Likewise. + * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise. + * simplify-rtx.c (simplify_gen_binary, + simplify_gen_relational): Likewise. + +Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz> + + * cse.c (fold_rtx): Use simplify_subreg. + + * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg. + (simplify_gen_subreg): New. + (simplify_rtx): Use simplify_subreg. + * rtl.h (simplify_gen_subreg): Declare. + +2001-05-17 Mark Mitchell <mark@codesourcery.com> + + * doc/install.texi: Update Solaris information. + + * except.h (protect_cleanup_actions): Remove it. + (lang_protect_cleanup_actions): Declare it. + * except.c (protect_cleanup_actions): Remove it. + (lang_protect_cleanup_actions): New variable. + (init_eh): Don't make protect_cleanup_actions a GC root. + (expand_eh_region_and_cleanup): Call + lang_protect_cleanup_actions. + (output_function_exception_table): Remove unused `align' + variable. + * varasm.c (assemble_external): Abort if we have not yet + opened the assembly output file. + +Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com) + + * except.c (sjlj_emit_function_enter): Call assemble_external_libcall + for eh_personality_libfunc. + +Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz> + + * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode + when calling simplify_subreg. This is needed to allow replacing + of expression of one mode by expression of different mode. + +Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz> + + * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs. + +2001-05-17 Bernd Schmidt <bernds@redhat.com> + + * expr.c (protect_from_queue): Protect against subsequent calls to + emit_queue. + (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being + too clever. + +Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz> + + * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs. + +2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * gccbug.in (CATEGORIES): Add "bootstrap". + +Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz> + + * simplify-rtx.c (simplify_subreg): Break out from ... + * combine.c (combine_splify_rtx) ... here and ... + * recog.c (validate_replace_rtx_1): ... here; + * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare. + * emit-rtl.c (subreg_lowpart_parts_p): Break out from ... + (subreg_lowpart_p): ... here. + +2001-05-17 Bernd Schmidt <bernds@redhat.com> + + * stmt.c (expand_asm_operands): For inout operands, make sure + the substitution of '=' for '+' makes it into the rtl. + + * reload1.c (delete_output_reload): Call eliminate_regs on substed. + (reload_as_needed): Call update_eliminable_offsets a bit later. + +2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * gcc.texi (gccbug): Refer to the web pages for detailed information + on GNATS. + +2001-05-16 Zack Weinberg <zackw@stanford.edu> + + * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file. + + * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR, + OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1, + LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test, + libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists. + * cross-make: Don't set LIBGCC1. + * mklibgcc.in: Delete all code for building from libgcc1.c. + Always honor LIB1ASMFUNCS if set. + + * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c, + config/arc/lib1funcs.asm, config/arm/lib1funcs.asm, + config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm, + config/h8300/lib1funcs.asm, config/i386/cygwin.asm, + config/i386/uwin.asm, config/m68hc11/larith.asm, + config/m68k/lb1sf68.asm, config/mcore/lib1.asm, + config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm, + config/sparc/lb1spc.asm, config/sparc/lb1spl.asm, + config/v850/lib1funcs.asm, config/c4x/libgcc.S: + Delete or update references to libgcc1 in commentary. + + * config/t-libc-ok, config/t-linux, config/t-linux-aout, + config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k, + config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms, + config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff, + config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe, + config/arm/t-semi, config/arm/t-strongarm-coff, + config/arm/t-strongarm-elf, config/arm/t-strongarm-pe, + config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr, + config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30, + config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin, + config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware, + config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2, + config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64, + config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx, + config/m68k/t-m68kbare, config/m68k/t-m68kelf, + config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas, + config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug, + config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs, + config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k, + config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore, + config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas, + config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf, + config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3, + config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas, + config/mips/t-ultrix, config/mn10200/t-mn10200, + config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64, + config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro, + config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43, + config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas, + config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux, + config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf, + config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare, + config/sparc/t-sparclite, config/sparc/t-splet, + config/sparc/t-sunos41, config/sparc/t-vxsparc, + config/sparc/t-vxsparc64, config/v850/t-v850: + Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST. + + * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h: + Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY. + * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE, + FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY, + nongcc_SI_type, nongcc_word_type, or perform_* + * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3. + + * config/i386/386bsd.h, config/i386/beos-elf.h, + config/i386/linux-aout.h, config/i386/linux-oldld.h, + config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h, + config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h: + Don't include i386/perform.h. + + * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370, + config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe, + config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta, + config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas, + config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40, + config/vax/t-openbsd, config/vax/t-vax: Delete. + + * config.gcc: Remove references to deleted files. + (arm-semi-aof): Use arm/t-semi for tmake_file. + + * gcc.texi, install.texi, invoke.texi, tm.texi: + Delete or rewrite text which is no longer relevant now that + libgcc1 no longer exists. + + * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix: + No need to set INSTALL_ASSERT_H. (Missed in previous sweep.) + +2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de> + Bruce Korb <bkorb@gnu.org> + + * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex + initializer + +2001-05-16 Zack Weinberg <zackw@stanford.edu> + + * i386.md: Add two peepholes to clean up code generated by + cmpstr* expanders. + +2001-05-16 Richard Henderson <rth@redhat.com> + + * dwarf2asm.c (eh_data_format_name): Add names for "pointer size" + variants of non-absolute encodings. + + * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New. + + * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases, + __register_frame_info_table_bases): Export. + +2001-05-16 Richard Henderson <rth@redhat.com> + + * except.c (eh_data_format_name): Move to ... + * dwarf2asm.c: ... here. Use designated initializers if available. + (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary. + * dwarf2asm.h: Update declarations. + * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind + ASM_PREFERRED_EH_DATA_FORMAT. + (output_call_frame_info): Likewise. Use 'L' augmentation for + the LSDA encoding. + + * unwind-dw2-fde.h (struct fde_vector): New. + (struct old_object): Rename from struct object. + (struct object): New. + (__register_frame_info_bases): Declare. + (__register_frame_info_table_bases): Declare. + (struct dwarf_fde): Remove explicit pc_begin/pc_range members. + * unwind-dw2-fde.c (objects): Remove. + (unseen_objects, seen_objects): New. + (__register_frame_info_bases): New. + (__register_frame_info): Use it. + (__register_frame_info_table_bases): New. + (__register_frame_info_table): Use it. + (__deregister_frame_info): Rewrite for changed object struct. + (base_from_object, get_cie_encoding, get_fde_encoding): New. + (fde_unencoded_compare): Rename from fde_compare; uninline. + (fde_single_encoding_compare, fde_mixed_encoding_compare): New. + (start_fde_sort): Adjust for new definition of fde_vector. + (fde_insert): Likewise. + (end_fde_sort): Likewise. Select comparison function based + on properties of the object. + (fde_split): Take object and fde_compare_t arguments. + (frame_heapsort, fde_merge): Likewise. + (classify_object_over_fdes): Rename from count_fdes. Handle + encoded pointers. Collect encoding, mixed_encoding, and pc_begin + for the object. + (add_fdes): Handle encoded pointers. + (init_object): Rename from frame_init. Update for new struct object. + (linear_search_fdes): Rename from search_fdes. Handle encoded + pointers. + (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE. + (binary_search_single_encoding_fdes): New. + (binary_search_mixed_encoding_fdes): New. + (search_object): New. + (_Unwind_Find_FDE): Update for new struct object. Fill in + the dwarf_eh_bases. + * unwind-dw2.c: Include unwind-pe.h. Constify all pointers + iterating over EH data. + (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add + fde_encoding, lsda_encoding. + (read_uleb128, read_sleb128): Remove. + (read_encoded_pointer): Remove. All callers use read_encoded_value. + (extract_cie_info): Set lsda_encoding from 'L' augmentation. + (uw_frame_state_for): Don't set bases.func. Handle encoded fde + pointers. + * unwind-pe.h: Add "struct" to _Unwind_Context references. + +2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk> + + * cppexp.c (lex): Use NODE_NAME and NODE_LEN. + * cpphash.c (_cpp_lookup_with_hash): Similarly. + * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len, + cpp_spell_token, cpp_output_token): Similarly. + * cpplib.c (lex_macro_node, do_undef, do_pragma, + do_pragma_poison, parse_assertion, do_assert): Similarly. + * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p, + save_parameter, _cpp_create_definition, check_trad_stringification, + cpp_macro_definition): Similarly. + * cppmain.c (cb_define, cb_undef, dump_macro): Similarly. + * c-lex.c (cb_undef, c_lex): Similarly. + * fix-header.c (recognized_function): Similarly. + * cpplib.h (NODE_LEN, NODE_NAME): New. + (cpp_hashnode): Rename length len. + +Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com) + + * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in + GPRs. + +2001-05-16 Andreas Jaeger <aj@suse.de> + + * Makefile.in (toplev.o): Add dependency on dwarf2asm.h. + + * toplev.c: Include dwarf2asm.h for prototype of + dw2_output_indirect_constants. + +Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz> + + * stmt.c (expand_asm_operands): Be able to offload addressof + expression to memory. (PR optimization/185) + +Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz> + + * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after + applying distributive law. + +2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa-hpux10.h (THREAD_MODEL_SPEC): Define. + + * gthr-dce.h (UNUSED): Attribute unused macro. + (__gthread_key_dtor): Make arguments UNUSED. + (__gthread_key_delete): Revise for compatibility with DRAFT4 + implementation. + +2001-05-16 David Edelsohn <edelsohn@gnu.org> + + * doc/install.texi: Update AIX information. + * README.RS6000: Remove obsolete file. + +2001-05-16 Jakub Jelinek <jakub@redhat.com> + Nathan Sidwell <nathan@codesourcery.com> + + * gcc.c (give_switch): Don't write before start of string. + Always append suffix. + +2001-05-16 Nathan Sidwell <nathan@codesourcery.com> + + * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear + after stage3. + +2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * README.ALTOS: Remove obsolete file. + +2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lex.h (save_and_forget_protocol_qualifiers, + forget_protocol_qualifiers, remember_protocol_qualifiers): + Remove deleted functions' prototypes. + +2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-parse.in (methodtype): New production. + (methoddef, methodproto): Collapse separate '-' and '+' + handlers into 1. + +2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk> + + * c-common.h (RID_FIRST_PQ): New. + * c-parse.in (objc_pq_context): New. + (objc parser): Set objc_pq_context rather than calling + remember_protocol_qualifiers and forget_protocol_qualifiers. + Don't call save_and_forget_protocol_qualifiers. + (yylexname): Handle objc protocol qualifiers here. + * stringpool.c (struct str_header): Replace with sp_hashnode. + (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New. + (alloc_string): Rename alloc_ident. Use the SP_ accessors. + Allocate an IDENTIFIER_NODE for each identifier. + (FORALL_STRINGS, set_identifier): Delete. + (FORALL_IDS, expand_string_table, stringpool_statistics): Update. + (ggc_alloc_string): Use an obstack. + (get_identifier, maybe_get_identifier, mark_string_hash): Update. + * tree.h: Update comments. + (set_identifier): Delete. + * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq, + save_and_forget_protocol_qualifiers, forget_protocol_qualifiers, + remember_protocol_qualifiers): Delete. + +Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com) + + * flow.c (life_analysis): After life analysis is complete, do + an optional scan over insns looking for REG_LABEL notes that + reference a deleted label. + (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL + before peeking at LABEL_NUSES. + +2001-05-15 Richard Henderson <rth@redhat.com> + + * unwind-sjlj.c (_Unwind_GetDataRelBase): New. + (_Unwind_GetTextRelBase): New. + +2001-05-15 Mark Mitchell <mark@codesourcery.com> + + * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define. + +2001-05-15 Geoffrey Keating <geoffk@redhat.com> + + * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation + so that CHOOSE_SECTION gets used. + + * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat + TARGET_RELOCATABLE like flag_pic for now. + +2001-05-15 David Edelsohn <edelsohn@gnu.org> + + * rs6000.md (movdi splitter): Sign extend more efficiently. + * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant + to "long long" valid on 32-bit and 64-bit hosts. + (logical_operand): Cast trunc_int_for_mode return value. + (rs6000_emit_move): Shift macro to encapsulate variable. + (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC. + (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but + plus_constant requires signed argument. + +2001-05-15 Loren J. Rittle <ljrittle@acm.org> + + * gthr-posix.h: Make additional pthread-* functions weak. + +Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz> + + * recog.c (apply_change_group): Avoid unneeded validating. + +2001-05-14 David Edelsohn <edelsohn@gnu.org> + + * rs6000.c (num_insns_constant_wide): Constants are sign-extended. + (num_insns_constant): CONST_INT can be 64-bits. + +2001-05-14 Stan Shebs <shebs@apple.com> + + * config/darwin.h (LIB_SPEC): Just use -lSystem. + (LIBGCC_SPEC): Don't define. + +2001-05-14 Richard Henderson <rth@redhat.com> + + * configure.in (gcc_cv_as_eh_frame): New test. + * config.in, configure: Rebuild. + * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT. + +2001-05-14 Andrew MacLeod <amacleod@redhat.com> + + * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in + extended precision divide. + +2001-05-14 Andrew MacLeod <amacleod@redhat.com> + + * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier + for RETURNS as well. + +Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH + (CPP_CPU??_SIZE_TYPE): New. + (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from... + (CPP_CPU_SPEC): ... here; support choosing of CPU. + (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon. + (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only + compiler. + * i386.c (override_options): Add sorry about not suported modes. + +Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com) + + * config/pa/som.h (NM_FLAGS): Remove. + (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names. + (ASM_OUTPUT_SECTION_NAME): Remove. + (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise. + +2001-05-14 Mark Mitchell <mark@codesourcery.com> + + * regrename.c (regrename_optimize): Do not rename registers to + leaf registers. + +2001-05-14 Alexandre Oliva <aoliva@redhat.com> + + * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may + contain MEMs. Remove useless distinction about clobbering + registers. + +2001-05-13 Geoff Keating <geoffk@redhat.com> + + * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to... + * config/rs6000/aix.h (EXCEPTION_SECTION): ... here. + * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete. + (ASM_PREFERRED_EH_DATA_FORMAT): Define. + (EXCEPTION_SECTION): Define. + +2001-05-13 Zack Weinberg <zackw@stanford.edu> + + * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for + binary backward compat only. + * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not + in LIB2FUNCS. Pass it to mklibgcc. + * mklibgcc.in: Handle LIB2FUNCS_ST. + + * Makefile.in (installdirs): Don't create $(gcc_tooldir). + +2001-05-13 Alexandre Oliva <aoliva@redhat.com> + + * tm.texi (THREAD_MODEL_SPEC): Document it. + * gcc.c (main): Use it. + * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it. + * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise. + +2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * rtl.h (SYMBOL_REF_WEAK): New macro. + * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap. + * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary. + * rtl.texi (SYMBOL_REF_WEAK): Document it. + * gcc.texi: Remove wrong description. + +2001-05-13 Mark Mitchell <mark@codesourcery.com> + + * Makefile.in (STAMP): New macro. + Replace all uses of `touch' with $(STAMP). + * fixinc/Makefile.in: Likewise. + +Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * configure.in: ldopen is never in -lexc, so don't test for it. + Add test for exc_resume in -lexc for Ada. + * configure: Regenerated. + +2001-05-12 Richard Henderson <rth@redhat.com> + + * dwarf2asm.c (size_of_encoded_value): New function. + * dwarf2asm.h: Declare it. + * except.c (output_function_exception_table): Align the TType + array only as wide as the encoding. + +2001-05-12 Zack Weinberg <zackw@stanford.edu> + + * extend.texi: Document #pragma GCC java_exceptions. + +2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk> + + * c-parse.in (bison parser, init_reswords): Remove uses of + doing_objc_thang. + * c-tree.h (doing_objc_thang): Remove. + +2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplex.c (_cpp_lex_token): Ensure we warn at most once + about files not ending in newlines. + +2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk> + + * dwarfout.c (dwarfout_init): Add cast. + * sched-deps.c (sched_analyze_insn): Remove unused vars. + * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so. +cp: + * method.c (build_mangled_C99_name): Remove unused prototype. + +2001-05-12 Alexandre Oliva <aoliva@redhat.com> + + * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta. + +2001-05-12 Alexandre Oliva <aoliva@redhat.com> + + * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define. + * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document. + +2001-05-11 Richard Henderson <rth@redhat.com> + + * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New. + * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1, + dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New. + * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype. + (dw2_output_indirect_constants): Prototype. + * dwarf2out.c (dwarf2out_begin_prologue): Generate + current_function_func_begin_label if we'll need it for EH. Exit + early for IA64_UNWIND_INFO. + * except.c: Get DW_EH_PE_* defines from dwarf2.h. + (eh_data_format_name): Update for indirect references. + (output_function_exception_table): Care for IA64_UNWIND_INFO. + Handle ASM_PREFERRED_EH_DATA_FORMAT. + * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't + define HAVE_eh_return etc. + * final.c (final_start_function): Always call dwarf2out_begin_prologue. + (final_end_function): Don't call output_function_exception_table. + * toplev.c (compile_file): Call dw2_output_indirect_constants. + (rest_of_compilation): Invoke output_function_exception_table + for ia64 before assemble_end_function. + * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document. + (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document. + + * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New. + * unwind.h: Declare them. + * libgcc-std.ver: Export them. + * unwind-pe.h: New file. + + * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New. + + * config/ia64/fde-glibc.c: Use "struct unw_table_entry" + instead of "fde". + (find_fde_for_dso): Extract DT_PLTGOT. + (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return + the segment and gp as well. + * config/ia64/frame-ia64.c: Remove file. + * config/ia64/frame-ia64.h: Remove file. + * config/ia64/unwind-ia64.c: New file. + * config/ia64/unwind-ia64.h: New file. + * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove. + (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove. + (ASM_OUTPUT_EH_DOUBLE_INT): Remove. + (ASM_PREFERRED_EH_DATA_FORMAT): New. + (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New. + (IA64_UNWIND_INFO): Re-enable. + (HANDLER_SECTION): Remove. + (EH_RETURN_DATA_REGNO): New. + * config/ia64/ia64.md (exception_receiver): Remove. + * config/ia64/t-glibc (LIB2ADDEH): Re-enable. + * config/ia64/t-ia64 (LIB2ADDEH): Re-enable. + +2001-05-11 Richard Henderson <rth@redhat.com> + + * config/ia64/ia64.c (group_barrier_needed_p): Don't allow + calls and jumps to be bundled together. + (ia64_reorg): Emit a break after a noreturn call that ends + a function. + * config/ia64/ia64.md (break_f): New. + +2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lex.c (lex_charconst): Convert into a simple wrapper + around cpp_interpret_charconst, to which most of the code + body is moved. + * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE, + MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK, + MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove. + (lex): Use cpp_interpret_charconst. + * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst, + hex_digit_value): New functions. + (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros. + * cpplib.h (cpp_interpret_charconst): New prototype. + * Makefile.in: Update. + +2001-05-12 Dean Wakerley <dean@wakerley.com> + + * doc/install.texi: New file. Converted to texinfo from the HTML + documentation in wwwdocs/htdocs/install. + +Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com) + + * gcse.c (insert_insn_end_bb): Do not search for assignments to + non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE. + + * toplev.c (compile_file): Move comment for opening output + file to just before the code that opens the output file. + +2001-05-11 Jakub Jelinek <jakub@redhat.com> + + * regmove.c (regmove_optimize): Suppress the optimization for + unchanging destination register. Add comment above function. + +2001-05-11 Zack Weinberg <zackw@stanford.edu> + + * Makefile.in: Exterminate all references to assert.h. + * cross-make: Likewise. + * assert.h: Delete. + * configure.in: Correct commentary. + * configure: Regenerate. + + * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h: + Remove __eprintf. + + * config/t-freebsd, config/t-linux, config/t-linux-aout, + config/t-netbsd, config/t-rtems, config/x-linux, + config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe: + No need to override INSTALL_ASSERT_H. + + * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx, + fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap, + fixinc/fixincl.sh: Don't install assert.h into objdir/include. + +2001-05-11 Graham Stott <grahams@redhat.com> + + * combine.c (simplify_comparison): Fix typo. + +2001-05-11 Mark Mitchell <mark@codesourcery.com> + + * loop.h (struct movables): Remove `num'. + * loop.c (scan_loop): Don't set it. Use count_insns_in_loop. + Adjust call to strength_reduce. + (num_unmoved_movables): New function. + (move_movables): Don't set movables->num. + (strength_reduce): Compute the number of instructions in the loop + here, rather than in the caller. + (check_dbra_loop): Always clear reversible_mem_store if there + are any memory sets. + (loop_regs_scan): Don't count instructions here. + (count_insn_in_loop): New function. + +2001-05-11 Mark Mitchell <mark@codesourcery.com> + + * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P. + +2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-common.c (finish_label_expr): New function, lifted from + from cp/semantics.c. + * c-common.h (finish_label_expr, lookup_label): New prototypes. + * c-parse.in: Move 3 blocks of parser code into new functions. + * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions. + * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes. + (lookup_label): Remove. + +2001-05-11 Alexandre Oliva <aoliva@redhat.com> + + * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define + FLOAT_BIT_ORDER_MISMATCH. + +2001-05-10 David Edelsohn <edelsohn@gnu.org> + + * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to + bytes. Reported by Kazu Hirata <kazu@hxi.com>. + +2001-05-10 David Edelsohn <edelsohn@gnu.org> + + * expr.c (emit_group_load): extract_bit_field requires a REG or + MEM as an argument. + +Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com) + + * cse.c (cse_insn): Mostly remove first hunk of code which collapsed + a computed jump into an unconditional jump. + In second hunk of code for collapsing computed and conditional jumps + into unconditional jumps, reemit the jump in additional cases. + + * jump.c (jump_optimize_1): Do not wrap the new jump target + inside a LABEL_REF; gen_jump will do that automatically. + +2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl> + + * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool + contents for a SYMBOL_REF in case of floating point constants. + +2001-05-10 DJ Delorie <dj@redhat.com> + + * c-common.c (combine_strings): Widen strings in a + host-endian-independent way. + +2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-parse.in: Remove many shift/reduce conflicts. Update + %expect values. + (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea, + declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea, + declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea, + declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea, + declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea, + declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea, + declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea, + declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts, + declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa, + declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs, + maybe_type_quals_setattrs, typespec_nonattr, typespec_attr, + typespec_reserved_nonattr, typespec_reserved_attr, + typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr, + structsp_nonattr, components_notype, component_notype_declarator, + absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute, + firstparm, setspecs_fp): New + (typed_declspecs, reserved_declspecs, typed_typespecs, + reserved_typespecquals, declmods, typespec, typespecqual_reserved, + typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr + declmods_no_prefix_attr, nonempty_type_quals, structsp, + type_quals): Remove. Users updated. + (initdecls, notype_initdecls, after_type_declarator, + parm_declarator, notype_declarator, absdcl1, components, ivars): + Don't allow attributes at the start of a declarator; include them + in the production containing the declarator instead. Always + require type specifiers before trying to redeclare a typedef name. + (typename): Allow for attributes but warn that they are ignored. + (parmlist, firstparm, setspecs_fp): Include attributes in + parmlist; suck them off the parser stack in firstparm using + setspecs_fp. + +Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com) + + * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p + to determine if a block has an unconditional jump at its end. + + * jump.c (jump_optimize_1): When converting a conditional jump + to an unconditional jump, build the jump using gen_jump instead + of just modify operands in-place. + +2001-05-09 Zack Weinberg <zackw@stanford.edu> + + * cppinit.c (cpp_post_options): Shut off macro expansion if + -fpreprocessed. + * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept + IN_I directives only if the # is in column 1 and the directive + name begins in column 2. + * cppmain.c (scan_buffer): Insert a space between # and an + identifier, when that identifier is a directive name. + + * tradcpp.c (struct file_buf): Add a pointer to the next entry + in the header search path. + (enum node_type): Add T_INCLUDE_NEXT. + (directive_table): Add entry for include_next. + (do_include_next): New function. + (process_include): New routine, broken out of do_include. + (finclude): Insert 'nhd' argument, to be copied into + next_header_dir of the new buffer. + (main): Adjust to match. + * gsyslimits.h, limity.h: Un-indent #include_next. + +2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk> + + * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for + inclusion as a chapter of the GCC manual. + * gcc.texi: Include objc.texi. + * fdl.texi: Use @unnumberedsec for the addendum. + * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies. + +Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (DImode move splitters): Use !MMX and !SSE for the condition. + +Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com> + + * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing + handling of two-address insns. + +Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com> + + * Makefile.in (NM_FOR_TARGET): Look for ./nm, then + ../binutils/nm-new instead of ../binutils/nm. + +Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (movdi splitter): Fix the splitting condition + (float_extenddftf splitter): Fix mode. + +Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz> + + * genrecog.c (write_switch): Avoid outputting of switch for + types wider than int. + +2001-05-03 Andrew Haley <aph@cambridge.redhat.com> + + * reload1.c (copy_eh_notes): New function. + (emit_input_reload_insns): Call it. + (emit_output_reload_insns): Call it. + +2001-05-07 Zack Weinberg <zackw@stanford.edu> + + * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*): + Delete stanzas. + * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h, + config/i386/sco4dbx.h, config/i386/x-sco4: Delete file. + + * optabs.c: Delete #ifdef BROKEN_LDEXP block. + +2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.md (interspace_jump): Revise comment. + (builtin_longjmp): Block initial setup insns from delay slot of + interspace branch. + (builtin_setjmp_receiver): New expander to save and restore PIC + register. + + * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment. + +Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com) + + * toplev.c (compile_file): Set up the output file before we call + the various initializers for the compiler. + + * except.c (sjlj_mark_call_sites): Do not search for assignments to + non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE. + + * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64. + * pa-64.h (*_TYPE_SIZE): Undefine before redefining. + +2001-05-06 Zack Weinberg <zackw@stanford.edu> + + * Makefile.in (tradcpp0): Correct typo in dependency list. + +2001-05-06 Geoff Keating <geoffk@redhat.com> + + * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save + the link register if we're not going to use it. + + * config/rs6000/rs6000.c (output_profile_hook): Fix a warning. + (output_function_profiler): Likewise. + +2001-05-07 Alan Modra <amodra@one.net.au> + + * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes. + +2001-05-06 Alexandre Oliva <aoliva@redhat.com> + + * unroll.c (loop_iterations): Don't sign-extend abs_diff; + zero-extend it. Make abs_inc unsigned. + + * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the + widest mode in narrowing and widening operations. + + * config/mips/mips.md: Sign extend CONST_INTs. + +2001-05-06 Andreas Jaeger <aj@suse.de> + + * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer + (i386 Options): Document -momit-leaf-frame-pointer. + +2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-typeck.c (internal_build_compound_expr): Check for + array to pointer conversion just once. + +2001-05-05 Richard Henderson <rth@redhat.com> + + * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE. + +2001-05-05 Richard Henderson <rth@redhat.com> + + * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes + to the parent of the fixup region. + +2001-05-05 Jakub Jelinek <jakub@redhat.com> + + * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring + "inline" keyword. + * cpp.texi (__NO_INLINE): Document it. + +2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c (struct include_file): New member err_no. + (find_or_create_entry): Set it. + (open_file): Don't set fds to -2. Instead, use err_no to + remember previous errors, if any. + +2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves + between X and Y by using sequences of xgdx and xgdy. + +2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead + of '!' for the 'D' alternative ('!' is too strong). + ("*logicalsi3_silshl16"): Likewise. + ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'. + ("movstrictsi"): Remove spurious '+'. + ("movstrictqi"): Don't accept 'A' and remove spurious '+'. + ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'. + ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid + a reload to them. + +2001-05-04 David Edelsohn <edelsohn@gnu.org> + + * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT. + +2001-05-04 Lars Brinkhoff <lars@nocrew.org> + + * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1 + into -a. + +2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * config/rs6000/rs6000.md (ashldi3 splits): Guard with + TARGET_POWERPC64. + +2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of + soft register, use ror instead of rol. + +2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take + into account pre/post increment decrement for 68HC12. + Fix other problems in replacement and fix call to reg_mentioned_p. + +2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/larith.asm (L_regs_frame): New for _.frame. + Put the soft registers in bss for 68HC12. + (L_regs_d3_4): New for _.d3 and _.d4. + (L_regs_d5_6): Likewise. + (L_regs_d1_2): Likewise. + * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts. + +2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__ + to the pre-processor when -fshort-double is specified. + * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise. + +2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12. + (__mulsi3): Rewrite for 68HC12. + * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12. + Mark 'x' constraint with earlyclobber to prevent a + RELOAD_FOR_OTHER_ADDRESS to go in it. + (mulhi3_m68hc12): New pattern. + (mulhi3_m68hc11): Rename of mulhi3. + (mulhi3): New expand for 68HC12 optimisation. + (umulhisi3, mulhisi3): New patterns for 68HC12. + +2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12. + (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12. + (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12. + +2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of + constants cheap after reload. + * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32 + are cheap. + (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive + so that gcc prefers a shift by 16. + (m6811_cost, m6812_cost): Make the shift cheap compared to an add. + +2001-05-04 Nick Clifton <nickc@cambridge.redhat.com> + + * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define. + +2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * alpha.h: NULL_PTR -> NULL. + * arm.c: Likewise. + * arm.h: Likewise. + * avr.h: Likewise. + * c4x.c: Likewise. + * c4x.h: Likewise. + * i386.c: Likewise. + * i386.md: Likewise. + * i860.c: Likewise. + * ia64.c: Likewise. + * m68hc11.h: Likewise. + * rs6000.h: Likewise. + * sh.c: Likewise. + * sh.h: Likewise. + * sparc.h: Likewise. + * v850.c: Likewise. + + * expr.c: Likewise. + * final.c: Likewise. + * gcc.c: Likewise. + * recog.c: Likewise. + +2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change + `bool' parameter to `int'. + + * hash.c (hash_lookup): Likewise. + + * hash.h (hash_lookup): Likewise. + + * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise. + +Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (x86_initialize_trampoline): Fix mode of constant. + +2001-05-03 Geoff Keating <geoffk@redhat.com> + + * invoke.texi (i386 Options): Delete references to -malign-jumps, + -malign-loops, -malign-functions. + * i386.c (ix86_align_funcs): Delete. + (ix86_align_loops): Delete. + (ix86_align_jumps): Delete. + (override_options): Mark -malign-* as obsolete. Emulate their + behaviour with the -falign-* options. Default -falign-* from + the processor table. + * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's + patch of Wed May 2 13:09:36 2001. + (LOOP_ALIGN): Delete. + (LOOP_ALIGN_MAX_SKIP): Delete. + (LABEL_ALIGN_AFTER_BARRIER): Delete. + (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete. + +2001-05-04 Andreas Jaeger <aj@suse.de> + + * except.h: Add prototype declaration for + expand_builtin_init_dwarf_reg_sizes. + +2001-05-03 Geoffrey Keating <geoffk@redhat.com> + + * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE. + +2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb + instruction. + ("bitcmpqi2"): New pattern for bit-extract and test. + ("bitcmphi"): New pattern for bitb/bita instructions. + +2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk> + + * gccbug.in: Use a temporary directory when the mktemp command is + not available. + +2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register + instead of _.d1. + (INITIALIZE_TRAMPOLINE): Call it. + (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12. + (TRAMPOLINE_TEMPLATE): Remove. + * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New. + * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline): + Declare. + +2001-05-03 David O'Brien <obrien@FreeBSD.org> + + * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o + and crtendS.o with PIC. + +2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two + negative numbers. + (___subdi3, ___adddi3): Use x instead of y as index register. + (__init_bss_section, __map_data_section): Optimize for 68HC12. + (__memset, __memcpy): Likewise. + (regs): Put the soft registers in bss for 68HC12. + (abort): Use trap to abort for 68hc12. + (__mulhi3, __mulhi32): Use emul for 68hc12. + (__mulsi3): Avoid to use the tmp soft register for 68hc12. + +2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define. + * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove. + * config/m68hc11/m68hc11.c (limit_reload_class): Remove. + (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin. + Set 68HC12 min offset to -65536. + (print_operand): Put parenthesis arround the operand if it refers + to a symbol having the same name as a register. + (m68hc11_z_replacement): When z register is replaced by its + equivalent soft register, force the insn to be re-recognized. + (m68hc11_check_z_replacement): Fix the test when destination is + the index register and z dies in the insn. + (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them. + +2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize + costs according to processor variant. + (m68hc11_shift_cost): New function to compute shift costs. + (m68hc11_rtx_costs): Define costs according to processor variant. + (m6811_cost): Costs for 68HC11. + (m6812_cost): Costs for 68HC12. + (COSTS_N_INSNS): Remove. + + * config/m68hc11/m68hc11.h (RTX_COSTS): New. + (DEFAULT_RTX_COSTS): Remove. + (CONST_COSTS): Define costs according to OUTER_CODE. + (processor_costs): New struct to define costs. + (m68hc11_cost): Pointer to current costs. + +2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation + and use m68hc11_notice_keep_cc when using leax/leay. + (addhi3 split): Reject split if the insn is handled by + leax/leay above. + * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the + push must be handled in a special way if the source operand uses + sp as index register. + (m68hc11_notice_keep_cc): New function. + (m68hc11_gen_movhi): Use it when an insn changes a register but + not the flags. + (m68hc11_gen_movqi): Fix move for 68HC12. + * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare. + +2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST + and don't pass operands[0] to emit_library_call_value. + +2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12. + (zero_extendsi split): Simplify and use (zero_extendhi). + (*addhi3): Remove 'w' constraint since stack pointer is handled + by (addhi3_sp). + (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint. + (*ashlhi3, *ashrhi3, *lshrhi3): Likewise. + (*ashrhi3_const): Fix shift by 7. + (*lshrsi3_const16): Fix template. + (call, call_value): Fix constraint and predicate. + +2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant. + (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise. + (CC_REGNUM): Likewise. + (*unnamed splits): Use above constants instead of hard coded numbers. + (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise. + (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise. + (*return_16bit, *unnamed peepholes): Likewise. + +2001-05-03 David O'Brien <obrien@FreeBSD.org> + + * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include + rs6000/rs6000.h twice. + +2001-05-03 Mark Elbrecht <snowball3@bigfoot.com> + + * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__. + (CPP_SPEC): Conditionally define MSDOS and GO32. + (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210. + (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are + ignored. + (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove. + +2001-05-03 Alexandre Oliva <aoliva@redhat.com> + + * config/mn10300/mn10300.md: Sign-extend GEN_INT operands. + +2001-05-03 Mark Mitchell <mark@codesourcery.com> + + * integrate.h (struct inline_remap): Add leaf_reg_map table. + * integrate.c (expand_inline_function): Use xcalloc to allocate + memory. + (copy_rtx_and_substitute): Use the leaf_reg_map for leaf + registers. + +2001-05-03 Mark Mitchell <mark@codesourcery.com> + + * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME + if it is not set. + +2001-05-03 Alexandre Oliva <aoliva@redhat.com> + + * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the + linker if -mrelax is given. + (TARGET_SWITCHES): Document -mrelax. + + Re-installed 2001-01-09's patch: + * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long + if it's wider than long and the target's long is wider than the + host's. + +2001-05-02 David O'Brien <obrien@FreeBSD.org> + + * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not + directly include rs6000/rs6000.h. Instead do it in tm.h. + +2001-05-02 Stan Shebs <shebs@apple.com> + + * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to + NSConstantString for NeXT-style runtimes. + (STRING_OBJECT_GLOBAL_NAME): New macro. + (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and + OCTI_STRING_CLASS_DECL. + (constant_string_global_id): New macro. + (string_class_decl): Ditto. + (setup_string_decl): New function. + (build_objc_string_object): Use it to build a NeXT runtime + compatible string initializer. + +2001-05-02 Jakub Jelinek <jakub@redhat.com> + + * tradcpp.c (do_define): Make sure we don't walk past limit. + +2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack + offsets if not REG_OK_STRICT. + + * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro. + (INT_REG_OK_FOR_INDEX_P): Likewise. + (INT_REG_OK_FOR_BASE_P): Likewise. + (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P. + (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P. + (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and + INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and + REG_OK_FOR_BASE_P. Take an additional parameter. + (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise. + (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise. + (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise. + (GO_IF_LEGITIMATE_ADDRESS): Move code into new function + rs6000_legitimate_address() and use it. + * config/rs6000/rs6000.c: Update all callers. + (rs6000_legitimate_address): New function. + +2001-05-02 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000.c (rs6000_emit_move): Merge + special_constant conditional blocks together. + +2001-05-02 Dale Johannesen <dalej@apple.com> + + * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED + parameter. + (STRICT_ARGUMENT_NAMING): Define. + * config/rs6000/rs6000.c (function_arg_advance, function_arg, + function_arg_partial_nregs, setup_incoming_varargs): Remove + args logic which depends on "named" now that STRICT_ARGUMENT_NAMING + is defined. + +Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned. + + * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode + for replacement. + + * expr.c (store_field): Do nothing except elaborate side-effects if + zero-bit field. + +2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-lex.c: NULL_PTR -> NULL. + * cse.c: Likewise. + * emit-rtl.c: Likewise. + * gcse.c: Likewise. + * genpeep.c: Likewise. + * jump.c: Likewise. + * mips-tdump.c: Likewise. + * reload1.c: Likewise. + * rtlanal.c: Likewise. + * stmt.c: Likewise. + * stor-layout.c: Likewise. + * toplev.c: Likewise. + +2001-05-01 Per Bothner <per@bothner.com> + + * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR, + call do_pending_stack_adjust before emiting label. + +2001-05-01 Mark Mitchell <mark@codesourcery.com> + + * extend.texi: Fix typo. + +2001-05-01 Stan Shebs <shebs@apple.com> + + * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT + of UOBJC_MODULES_decl. + (generate_strings): Clear DECL_CONTEXT of new decl nodes. + (generate_descriptor_table): Ditto. + (generate_protocols): Ditto. + (generate_protocol_list): Ditto. + (generate_classref_translation_entry): Ditto. + +2001-05-01 Jeffrey Oldham <oldham@codesourcery.com> + + * invoke.texi (Optimize Options): Add documentation for `--param + max-delay-slot-insn-search' and `--param + max-delay-slot-live-search' and reorder --param section. + * params.def: Modify initial comment. + * params.h (param_info): Add `help' member. + * toplev.c (lang_independent_params): Include `help' description. + (display_help): Print --param parameters. + +2001-05-01 Zack Weinberg <zackw@stanford.edu> + + * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}. + Remove references to deleted files. + (*-*-openbsd): No need to override xmake_file. + (*-*-sysv4): Treat like *-*-sysv. + + * configure.in: Probe for ldopen in various places, and set up + collect2 to be linked with them if found. + Don't dink with Windows registry stuff unless $host_os is a + Win32 os name. Check to see if we need -ladvapi32. + * configure: Regenerate. + + * Makefile: Get rid of CLIB and HOST_CLIB. + Substitute in COLLECT2_LIBS and link collect2 against its contents. + * build-make: Get rid of HOST_CLIB. + + * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix, + config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3, + config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony, + config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41, + config/rs6000/x-rs6000: Delete. + + * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris: + Don't set CLIB. + + 24 x-host fragments remain, 0 x-cpu, 3 top level. + +2001-05-01 Zack Weinberg <zackw@stanford.edu> + + * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program. + * configure: Regenerate. + +2001-05-01 Angela Marie Thomas <angela@cygnus.com> + + * Makefile.in (install-headers): Remove redundant dependency. + +2001-05-01 Nathan Sidwell <nathan@codesourcery.com> + + * c-tree.texi (USING_STMT): Document. + +2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0". + * c-common.c: Likewise. + * c-decl.c: Likewise. + * combine.c: Likewise. + * rs6000.c: Likewise. + * except.c: Likewise. + * explow.c: Likewise. + * expr.c: Likewise. + * fold-const.c: Likewise. + * function.c: Likewise. + * gcc.c: Likewise. + * gcse.c: Likewise. + * integrate.c: Likewise. + * loop.c: Likewise. + * objc/objc-act.c: Likewise. + * recog.c: Likewise. + * reg-stack.c: Likewise. + * reload.c: Likewise. + * reload1.c: Likewise. + * simplify-rtx.c: Likewise. + * stmt.c: Likewise. + * varasm.c: Likewise. + +2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com> + + * diagnostic.def: New file. + * diagnostic.h (diagnostic_t): New enum. + * Makefile.in (diagnostic.o): Depend on diagnostic.def + +2001-04-30 Zack Weinberg <zackw@stanford.edu> + + * tsystem.h: Test only POSIX for availability of string.h + and time.h. + * config.gcc (all systems): If USG appeared in xm_defines, + change it to POSIX. If both USG and POSIX appeared, just + delete USG. Remove unnecessary quotes around xm_defines + settings. + (m68k-crds-unos*): Don't #define unos - tested nowhere. + (m68k-apple-aux*): Don't #define AUX - tested nowhere. + (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1, + powerpc-*-linux*): No need to set xm_defines - handled by + global settings for *-*-linux*. + +2001-04-30 Zack Weinberg <zackw@stanford.edu> + + * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c: + Always include gstab.h, not system stab.h. Don't provide + default definitions of N_CATCH or N_OPT. Always use the + gstab.h variant of STAB_CODE_TYPE. + * final.c: Don't include stab.h/gstab.h at all, or provide + defaults for N_SLINE and N_SOL. + + * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL, + N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are + available. + * sdbout.c: Always include gsyms.h instead of system syms.h. + + * configure.in: No need to check for stab.h. + * configure, config.in: Regenerate. + * Makefile.in (final.o): Don't depend on gstab.h. + +2001-04-30 Mark Mitchell <mark@codesourcery.com> + Richard Henderson <rth@redhat.com> + + * extend.texi: Improve documentation of volatile asms. + +2001-04-30 Mark Mitchell <mark@codesourcery.com> + + * c-tree.texi: Fix thinko. + * gcc.texi: Likewise. + +2001-04-30 Richard Henderson <rth@redhat.com> + + * c-common.c (c_promoting_integer_type_p): New function, from the + corpse of old macro. Properly promote too-small enumerations and + booleans. Adjust all callers. + * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove. + (c_promoting_integer_type_p): Declare. + * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations. + * c-typeck.c: Likewise. + (default_conversion): Remove now redundant boolean check. + +2001-04-30 Jan Hubicka <jh@suse.cz> + Richard Henderson <rth@redhat.com> + + * regmove.c (try_apply_stack_adjustment): Remove now redundant + sanity checks. + (combine_stack_adjustments_for_block): Don't combine stack + allocation followed by deallocations. Handle grow-up stacks. + +2001-04-30 Mark Mitchell <mark@codesourcery.com> + + * fdl.texi: New file. + * c-tree.texi: Use the GFDL. + * gcc.texi: Likewise. + +2001-04-30 Stan Shebs <shebs@apple.com> + + * invoke.texi: Add a section documenting Objective-C options. + +2001-04-27 Andrew Haley <aph@cambridge.redhat.com> + + * emit-rtl.c (try_split): Copy EH notes to sequence. + +2001-04-30 Mark Mitchell <mark@codesourcery.com> + + * regmove.c (record_stack_memrefs): Catch all references to the + stack pointer. + +2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee> + + * Makefile.in (stmp-fixinc): quote shell assignment values + +2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-aux-info.c: NULL_PTR->NULL in calls to `concat'. + + * gcc.c: Likewise. + + * prefix.c: Likewise. + +2001-04-28 Stan Shebs <shebs@apple.com> + + * objc/objc-act.c (handle_class_ref): Rewrite to flush target + specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE. + * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define. + * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document. + + * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define. + (NEXT_OBJC_RUNTIME): Define. + +Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz> + + * rtl.h (simplify_gen_relational): Add cmp_mode parameter. + * simplify-rtx.c (simplify_gen_relational): Likewise. + + * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs. + + * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2 + * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves. + + * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to + registers in SSE case; fix handling of the immediates. + (negsf2_ifs, abssf2_ifs): Tweak constraints; require + operands to be in regsiters before reload. + (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit + (negdf2_ifs_rex64, absdf2_ifs_rtx64): New. + (abstf,absxf,negtf,negxf splitters): Compute + properly the regnum for x86_64. + (avsdf2_if_rex64): New. + +Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com) + + * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC + and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put + into the constant pool. + * jump.c (jump_optimize_1): Remove barrier successors after all + the LABEL_NUSES counds have been computed. + (delete_barrier_successors): When deleting a tablejump insn, also + delete the jump table it uses. + * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a + label into memory. + +2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au> + + * pa.c (FRP): Remove erroneous white space in macro definition. + +2001-04-28 Andreas Jaeger <aj@suse.de> + + * invoke.texi: Use XX-bit instead of XXbit or XX bit where + appropriate. + * extend.texi: Likewise. + * tm.texi: Likewise. + +2001-04-28 Andreas Jaeger <aj@suse.de> + + * md.texi: Use XX-bit instead of XXbit or XX bit where + appropriate. + +2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net> + + * gcc.c (process_command): Allow -l lib in addition to -llib + for POSIX compliance. This fixes PR c/2347. + + * invoke.texi: Update section on Link Options accordingly. + +2001-04-27 Zack Weinberg <zackw@stanford.edu> + + * function.c (purge_addressof_1): Remove the duplicate + if (code == SET) block. Fold the two if (code == ADDRESSOF) + blocks together. + +2001-04-28 Jason Merrill <jason_merrill@redhat.com> + + * except.c (expand_eh_region_start): Don't start a new block. + (expand_eh_region_end): Don't end a block. + * stmt.c (expand_end_bindings): Don't end EH blocks. + (expand_decl_cleanup): Starting an EH region won't change the block. + (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose. + (is_eh_region): Lose. + * tree.h: Adjust. + +2001-04-27 Jeffrey Oldham <oldham@codesourcery.com> + + * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode. + + * collect2.c (main): Add `-L' case to remove duplicate entries. + (is_in_args): New function to check for a duplicate argument. + * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro. + * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation. + * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): + Define to be nonzero. + +2001-04-27 Andreas Jaeger <aj@suse.de> + Richard Henderson <rth@redhat.com> + + * md.texi (Machine Constraints): Document additional i386 + constraints and fix description of "A". + +Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com) + + * tm.texi (TARGET_MEM_FUNCTIONS): Update text. + +2001-04-27 Jason Merrill <jason_merrill@redhat.com> + + * except.c (get_exception_filter): word_mode, not Pmode. + +2001-04-26 Geoffrey Keating <geoffk@redhat.com> + + * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives + common to other movsf patterns. Move up so that in future + people who change the other patterns will change it too. + (movsf_lo_sum): Allow even for soft-float; add appropriate + constraints. + (movsf_high): Likewise. + (movsf_high+1): Allow even for soft-float. + + * function.c (expand_function_end): Always clobber the + return registers, even if there is no return label. + +Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz> + + * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation. + +Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes + (pushqi2_rex64, pushhi2_rex64): Add. + +2001-04-26 Andrew Haley <aph@cambridge.redhat.com> + + * except.c (expand_eh_region_end_cleanup): Force pending stack + adjust before emitting label that branches around cleanup code. + +2001-04-26 H.J. Lu (hjl@gnu.org) + + * config.gcc (mips*-*-linux*): Add elfos.h to tm_file. + + * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before + define. + * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise. + (ASM_OUTPUT_SECTION_NAME): Likewise. + (ASM_WEAKEN_LABEL): Likewise. + (UNIQUE_SECTION): Likewise. + (ASM_OUTPUT_CONSTRUCTOR): Likewise. + (ASM_OUTPUT_DESTRUCTOR): Likewise. + * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise. + (ASM_OUTPUT_SECTION_NAME): Likewise. + (ASM_WEAKEN_LABEL): Likewise. + (UNIQUE_SECTION): Likewise. + (ASM_OUTPUT_CONSTRUCTOR): Likewise. + (ASM_OUTPUT_DESTRUCTOR): Likewise. + * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise. + * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise. + (ASM_FILE_START): Likewise. + (ASM_OUTPUT_SOURCE_LINE): Likewise. + (ASM_DECLARE_OBJECT_NAME): Likewise. + (ASM_FILE_END): Likewise. + (ASM_DECLARE_FUNCTION_NAME): Likewise. + (ASM_OUTPUT_INTERNAL_LABEL): Likewise. + (ASM_GENERATE_INTERNAL_LABEL): Likewise. + (ASM_OUTPUT_CASE_LABEL): Likewise. + (ASM_OUTPUT_SKIP): Likewise. + (ASM_OUTPUT_ASCII): Likewise. + (ASM_OUTPUT_IDENT): Likewise. + (READONLY_DATA_SECTION): Likewise. + (EXTRA_SECTIONS): Likewise. + (EXTRA_SECTION_FUNCTIONS): Likewise. + (SELECT_RTX_SECTION): Likewise. + (SELECT_SECTION): Likewise. + + * config/mips/linux.h (INVOKE__main): Undefine. + (CTOR_LIST_BEGIN): Likewise. + (CTOR_LIST_END): Likewise. + (DTOR_LIST_BEGIN): Likewise. + (DTOR_LIST_END): Likewise. + (SET_ASM_OP): Defined it to ".dummy". + (ASM_OUTPUT_DEF): Defined. + (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined. + +2001-04-26 Nick Clifton <nickc@cambridge.redhat.com> + + * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the + assembler supports .p2align. + +2001-04-26 Nathan Sidwell <nathan@codesourcery.com> + + * c-lex.c (c_lex): Remove # from %o diagnostic formatting. + +2001-04-26 Jakub Jelinek <jakub@redhat.com> + + * integrate.c (expand_inline_function): Check for error_mark_node + in actual argument. + +2001-04-26 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for + -m386 and -m486. + +2001-04-26 Alexandre Oliva <aoliva@redhat.com> + + * configure.in (configargs.h): Define thread_model. + * configure: Rebuilt. + * gcc.c (main): Print it with -v. + +2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk> + + * invoke.texi: Document -Wmissing-braces, -dumpspecs, + -dumpmachine, -dumpversion, -fmem-report and -ftime-report. + * gcc.1: Regenerate. + +2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type, + is_redundant_typedef): Use static inline instead of inline static. + +Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com> + + * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that + this directory is always searched. + +2001-04-25 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (ix86_expand_epilogue): Properly compute size + of registers to restore along non eh_return path. + +2001-04-25 Jakub Jelinek <jakub@redhat.com> + + * c-format.c (check_format_info_recurse): Handle + PLUS_EXPR for format string. + +2001-04-25 Jakub Jelinek <jakub@redhat.com> + + * config/ia64/ia64.h (CC1_SPEC): Define. + * config/ia64/linux.h (CC1_SPEC): Define. + +Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com> + + * emit-rtl.c (constant_subword): Also do sign extension in + BITS_PER_WORD == 16 case. + +2001-04-25 Jason Merrill <jason_merrill@redhat.com> + + * loop.c (try_swap_copy_prop): Go back to checking insn. + +2001-04-25 Jakub Jelinek <jakub@redhat.com> + + * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check + if check_mode is non-zero. + +2001-04-25 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.c (ix86_expand_int_movcc): If overlap between + out and comparison sequence has been detected, put result into + proper temporary pseudo. + +2001-04-24 Zack Weinberg <zackw@stanford.edu> + + * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy. + * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty. + * libgcc2.c: Remove __dummy and __builtin_saveregs. + * libgcc2.h: Don't prototype __builtin_saveregs or __dummy. + * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs + for future reference. + +2001-04-24 Jason Merrill <jason_merrill@redhat.com> + + * except.c (reachable_handlers): Step out one level from a RESX. + + * except.c (struct eh_region): Rename 'last' to 'resume'. + (mark_eh_region, duplicate_eh_region_1): Adjust. + (expand_eh_region_end_cleanup): Remember the jump, not the barrier. + (build_post_landing_pads): Likewise. + (expand_end_catch, expand_eh_region_end_allowed): Don't set it. + (expand_eh_region_end_must_not_throw): Likewise. + (connect_post_landing_pads): Thread (only) regions with non-deleted + resume insns. + + * except.c (expand_eh_region_end_cleanup): Save the EH return data + registers around the cleanup. + (get_exception_filter): New fn. + (finish_eh_generation): Use it. + +2001-04-24 Nathan Sidwell <nathan@codesourcery.com> + + * c-semantics.c (add_scope_stmt): Don't call + current_scope_stmt_stack multiple times. + +2001-04-24 Zack Weinberg <zackw@stanford.edu> + Nathan Sidwell <nathan@codesourcery.com> + + Lazy __FUNCTION__ generation. + * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME, + RID_C99_FUNCTION_NAME): New _RIDs. + (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove. + (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL, + CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New + global tree slots. + (function_id_node, pretty_function_id_node, func_id_node): Remove. + (c99_function_name_decl_node, function_name_decl_node, + pretty_function_name_decl_node, saved_function_name_decls): + Declare. + (struct language_function): Remove x_function_name_declared_p. + (make_fname_decl): Remove a parameter. + (declare_function_names): Remove prototype. + (start_fname_decls, finish_fname_decls): Prototype. + (fname_as_string): Likewise. + (fname_string, fname_decl): Likewise. + * c-common.c (make_fname_decl): Adjust. + (struct fname_var_t): New struct. + (fname_vars): New static array. + (declare_function_name): Remove. + (start_fname_decls, finish_fname_decls): New functions. + (fname_as_string): New function from remnants of + declare_function_name. + (fname_string, fname_decl): New functions. + + * c-decl.c (c_function_name_declared_p): Remove. + (init_decl_processing): Don't generate __FUNCTION__ et al ids, + don't call declare_function_name. Call start_fname_decls. + (c_make_fname_decl): Adjust parameters. Generate the name. Don't + clobber the line number. Call finish_decl. + (start_function): Call start_fname_decls. + (finish_function): Call finish_fname_decls. + Remove c_function_name_declared_p. + (push_c_function_context): Don't push c_function_name_declared_p. + (pop_c_function_context): Don't pop c_function_name_declared_p. + (c_begin_compound_stmt): Don't check c_function_name_declared_p. + * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens. + (program): Call finish_fname_decls for C. + (primary): Add VAR_FUNC_NAME. + (reswords): Add slots for __FUNCTION__ et al. + (rid_to_yy): Add mappings for __FUNCTION__ et al. + (yylexname): If it's a STRING_FUNC_NAME generate the function name + now. Don't look for VAR_DECLs containing __FUNCTION__ et al. + * c-semantics.c (prune_unused_decls): Remove. + (finish_stmt_tree): Don't call prune_unused_decls. + (genrtl_decl_stmt): Don't prune unused decls here. + +2001-04-24 Nick Clifton <nickc@cambridge.redhat.com> + + * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the + constant pool, use the pool's SYMBOL_REF instead. + + * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the + v850e. + +2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid + passing nested NOP_EXPRs to fold. + +Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz> + + * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs. + +2001-04-22 Mark Mitchell <mark@codesourcery.com> + + * loop.c (loop_delete_insns): Add prototype. + +2001-04-23 Phil Edwards <pme@sources.redhat.com> + + * configure.in: Remove ENABLE_STD_NAMESPACE. + * config.in: Regenerated. + * configure: Regenerated. + +2001-04-22 Stan Shebs <shebs@apple.com> + + * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h + into xm_defines. + * config/rs6000/xm-darwin.h: Remove file. + +2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * collect2.c (main): Use concat in lieu of xmalloc/sprintf. + (write_c_file_stat): Likewise. + + * dbxout.c (dbxout_init): Likewise. + + * profile.c (output_func_start_profiler): Likewise. + +2001-04-22 Philipp Thomas <pthomas@suse.de> + + * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out, + require it instead of the CVS version. + * cpperror.c (v_message): Put a blank before the macro + body to not confuse exgettext. + +2001-04-21 Mark Mitchell <mark@codesourcery.com> + + * flow.c (proagate_one_insn): Remove useless assignment. + * jump.c (delete_insn): Tidy. + * loop.c (try_copy_prop): When deleting an instruction with a + REG_RETVAL note, delete the entire libcall sequence. + (loop_delete_insns): New function. + * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if + we're not substituting into them yet. + +2001-04-21 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (general_operand_src): Fix a comment typo. + + * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay): + Fix a comment typo. + * config/i960/i960.c (signed_arith_operand): Likewise. + + * calls.c (expand_call): Fix a comment typo. + +2001-04-20 Zack Weinberg <zackw@stanford.edu> + + * configure.in: Probe for times, clock, struct tms, and clock_t. + * configure, config.in: Regenerate. + * timevar.c: Replace ifdef forest in get_time with (relatively) + straightforward series of checks based on autoconf's probes. + +Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com) + + * config/pa/som.h (NM_FLAGS): Define. + +2001-04-20 Bernd Schmidt <bernds@redhat.com> + + * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called + function. + * ia64-protos.h (ia64_sched_reorder): Additional arg for clock. + * ia64.c (nop_cycles_until): New function. + (prev_cycle, prev_first, last_issued): New static variables. + (ia64_sched_reorder): Additional arg for clock. + On final scheduling pass, emit extra NOPs as needed. + Set prev_first and prev_cycle. + (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder. + (ia64_variable_issue): Set last_issued. + +2001-04-20 Alexandre Oliva <aoliva@redhat.com> + + * config/i386/i386.c (ix86_expand_int_movcc, + ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs. + +2001-04-20 Geoff Keating <geoffk@redhat.com> + + * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2, + ctrsi_internal3, ctrsi_internal4, ctrsi_internal5, + ctrsi_internal6, ctrdi_internal1, ctrdi_internal2, + ctrdi_internal3, ctrdi_internal4, ctrdi_internal5, + ctrdi_internal6): In the short-branch case, this insn is only 4 + bytes long. Reported by Reza Yazdani <reza@apple.com>. + +2001-04-20 Jakub Jelinek <jakub@redhat.com> + + * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp. + "=u" is used together with "st" resp. "st(1)" clobber. + +2001-04-20 Jakub Jelinek <jakub@redhat.com> + + * gcse.c (gcse_main): Fix comment typo. + (delete_null_pointer_check): Likewise. + (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes. + * cse.c (cse_insn): Likewise. + * function.c (fixup_var_refs_insns_with_hash): The sequence is + toplevel. + +2001-04-19 Zack Weinberg <zackw@stanford.edu> + + * toplev.c: Excise all code for the undocumented -dm option. + (float_signal): Call signal just once, unconditionally. + +2001-04-19 Geoff Keating <geoffk@redhat.com> + + * fold-const.c (fold): Use first_rtl_op rather than + TREE_CODE_LENGTH when looping over parameters of a tree. + Correct strange grouping in test for evaluated SAVE_EXPR. + +Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com) + + * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine. + * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define. + + * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace + name at 32 total characters. + (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing + functions in named sections -- data items can still go into unique + sections, but they have normal names (ie $LIT$ and $DATA$). + + * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support + INIT_PRIORITY. + +2001-04-19 DJ Delorie <dj@redhat.com> + + * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX + to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX. + * config/i386/cygwin.h: Likewise. + * config/i386/mingw32.h: Likewise. + * config/vax/vms.h: Likewise. + * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX. + + * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX + to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX. + * config/i386/xm-cygwin.h: Likewise. + * config/i386/xm-djgpp.h: Likewise. + * config/i386/xm-mingw32.h: Likewise. + * config/vax/xm-vms.h: Likewise. + + * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX + instead of OBJECT_SUFFIX. + * collect2.c (find_a_file): Look for files matching the extension + HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX. + * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on + TARGET_EXECUTABLE_SUFFIX. + (find_a_file): Use HOST_EXECUTABLE_SUFFIX. + (make_relative_prefix): Likewise. + (convert_filename): Use TARGET_ suffixes throughout. Remove + NO_AUTO_EXE_SUFFIX. + (process_command): Likewise. + (do_spec_1): Likewise. + * java/lang.c (init_parse): Likewise. + + * gcc.texi : Document four new options matching the pattern + (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation + for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove + documentation for NO_AUTO_EXE_SUFFIX. + +2001-04-19 Mark Mitchell <mark@codesourcery.com> + + * toplev.h (struct lang_hooks): Allow decode_option to indicate + that language-independent processing should not be done. + * toplev.c (main): Adjust accordingly. + + * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation. + * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN. + + * mips.md (reload_outputdi): Require that operand0 be a + general_operand. + +2001-04-19 Jakub Jelinek <jakub@redhat.com> + + * invoke.texi (-Wshadow): Clarify. + +2001-04-18 Mark Mitchell <mark@codesourcery.com> + + * loop.c (load_mems): Examine all the instructions in the loop + before concluding that all jumps branch to the first instruction + after the loop. + +Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com> + + * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo. + +2001-04-18 Jakub Jelinek <jakub@redhat.com> + + * cpp.texi (-Wwhite-space): Remove. + (-Wall): -Wall does not imply -Wwhite-space. + +2001-04-17 Zack Weinberg <zackw@stanford.edu> + + * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined, + use it instead of blindly generating a .stabs. + * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type + in the right place. + * xcoffout.c: Don't bother defining default for N_CATCH. + (UNKNOWN_STAB): Use internal_error. + (stab_to_sclass): Remove now-unnecessary aborts. + Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block. + +Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com) + + * jump.c (mark_all_labels): Canonicalize the tail recursion + label attached to CALL_PLACEHOLDER insns. + +2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * output.h (dump_flow_info, free_basic_block_vars, + which_alternative): Delete redundant prototypes. + + * rtl.h (bss_section): Likewise. + +2001-04-17 Loren J. Rittle <ljrittle@acm.org> + + * dbxout.c (N_OPT): Define if not available from <stab.h> + +2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system + libraries and native K&R compilers. + +2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-typeck.c (convert_arguments): Don't check for width changes + with -Wtraditional. + + * invoke.texi (-Wtraditional): Update documentation. + +2001-04-16 Zack Weinberg <zackw@stanford.edu> + + * toplev.c (output_lang_identify): Delete. + (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE. + Don't generate gcc2_compiled. label. Don't emit a nop if profiling. + If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>" + after calling ASM_FILE_END. + + * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE. + Instead, unconditionally emit an N_OPT stab with string equal + to STABS_GCC_MARKER, which defaults to "gcc2_compiled." + + * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE. + + * config/dbxelf.h, config/freebsd.h, config/nextstep.h, + config/psos.h, config/ptx4.h, config/1750a/1750a.h, + config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h, + config/arm/aof.h, config/arm/coff.h, config/arm/elf.h, + config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h, + config/dsp16xx/dsp16xx.h, config/h8300/h8300.h, + config/i370/i370.h, config/i386/beos-elf.h, + config/i386/osf1elf.h, config/i386/osfrose.h, + config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h, + config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h, + config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h, + config/m68k/tower-as.h, config/mcore/mcore-elf.h, + config/mips/iris6.h, config/mips/osfrose.h, + config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h, + config/sparc/sp64-elf.h: + Delete definitions of any or all of: ASM_IDENTIFY_GCC, + ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE. + + * config/elfos.h, config/freebsd.h, config/linux.h, + config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h, + config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h, + config/sparc/linux.h, config/sparc/linux64.h: Delete definitions + of ASM_FILE_START which merely emit a .version directive. Delete + definitions of ASM_FILE_END which merely emit an .ident directive. + + * config/avr/avr.h, config/vax/vax.h: Delete definition of + ASM_IDENTIFY_GCC and move part of its logic into + ASM_FILE_START. + + * config/i386/att.h, config/i386/gas.h, config/i386/linux.h, + config/sparc/linux-aout.h: Don't emit .version directive in + ASM_FILE_START. + + * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c + (output_file_start): Correct comment. + + * config/i386/osfrose.h: Don't emit trailing .ident directive. + * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%" + to match gdb. + * config/pa/lib2funcs.asm: Delete gcc_compiled. label. + * config/rs6000/aix.h: Correct comment. + + * config/i386/i386afe.h: Delete. + * config.gcc: Remove references to i386afe.h. + + * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The + other macros deleted by this patch were undocumented. + +Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com) + + * pa.md (reload_outdi): Operand 0 must be a non hard register. + + * pa.c (secondary_reload_class): SAR<->FP copies require a + secondary register. + + * install.texi (mips-mips-bsd): Update list of functions + required to include memmove. + * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly + used functions to include memmove. + +2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl> + + * i386.md (sqrtdf2): SFmode should be DFmode. + +2001-04-15 Alexandre Oliva <aoliva@redhat.com> + + * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable. + (find_moveable_store): Likewise. + +2001-04-15 Jim Wilson <wilson@redhat.com> + + * function.c (expand_function_end): Handle PARALLEL real_decl_rtl. + +Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (ashldi3_1_rex64): Add 'J' to the constraints + (ashrdi3_1_rex64): Change 'n' constraint to 'J'. + +2001-04-14 Alexandre Oliva <aoliva@redhat.com> + + * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the + first alternative. + +2001-04-14 Alan Modra <amodra@one.net.au> + + * pa.c (force_mode): New function. + (emit_move_sequence): Use it instead of generating new rtx_REGs. + +2001-04-13 Jim Wilson <wilson@redhat.com> + + * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p. + (first_instruction): New static variable. + (rtx_needs_barrier): Return 1 for alloc. + (init_insn_group_barriers): Set first_instruction. + (rws_sum): Delete duplicate definition. + (group_barrier_needed_p): Return 0 when first_instruction true. + (safe_group_barrier_needed_p): Save and restore first_instruction + around group_barrier_needed_p call. + +Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org> + + * expr.h (enum libfunc_index): Add LTI_memmove. + (memmove_libfunc): Define macro. + * optabs.c (init_optabs): Initialize memmove_libfunc. + * expr.c (expand_assignment): Use memmove_libfunc instead of + memcpy_libfunc. + +2001-04-13 Alan Modra <alan@linuxcare.com.au> + + * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM + fp mode addresses. + +2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (reg-stack.o): Depend on reload.h. + (insn-attrtab.o): Depend on flags.h. + + * genattrtab (main): Include flags.h in insn-attrtab.c. + + * reg-stack.c: Include reload.h. + + * sparc.h (flag_pic): Delete redundant declaration. + + * output.h (flag_pic): Likewise. + + * tree.h (pedantic): Likewise. + +2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h + + * jump.c, regmove.c, toplev.c: Include reload.h. + + * reload.h (reload_cse_regs): Declare. + + * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber, + reload_cse_regs, init_reload, mark_home_live, reload, + init_caller_save): Delete redundant prototypes. + +2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H). + + * regclass.c, ssa.c: Include expr.h. + + * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn, + gen_move_insn): Delete redundant declarations. + +2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch. + (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down + MAKEINFO and MAKEINFOFLAGS too. + (stage4_build): Correctly order -B flags. + +2001-04-13 Alan Modra <amodra@one.net.au> + + * pa.c (hppa_init_pic_save): Set rtx_unchanging for + PIC_OFFSET_TABLE_SAVE_RTX. + (zdepi_cint_p): Describe zdepi insn. + Formatting and white space fixes throughout file. + + * pa.c (uint32_operand): Don't use long constant >= 2^32. + (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry + about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs. + (compute_movstrsi_length): Make `align' unsigned to avoid warning. + (output_64bit_and): Use plain `int's for shift counts. + (output_64bit_ior): Likewise. + (function_arg_partial_nregs): Use unsigned vars to avoid warnings. + * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case + `N', and simplify. + + * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1. + * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise. + * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on + NEW_HP_ASSEMBLER into one. Kill warnings. + + * pa-gas.h: Delete file. + * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa. + Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update + hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file, + instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2. + + * config/pa/mill32.S: New file. + * config/pa/mill64.S: New file. + * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS, + LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define. + * config/pa/t-linux64: New file. + * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a + (LIB1ASMFUNCS, LIB1ASMSRC): Define. + (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1. + + * elfos.h (SELECT_SECTION): Undef before defining. + * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove. + (LIB_SPEC): Remove -lmilli. + (DBX_REGISTER_NUMBER): Remove. + (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO, + (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL, + NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX, + DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP, + DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START, + ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, + ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME, + TARGET_GAS): Define. + * pa.c (output_arg_descriptor): Disable for TARGET_ELF32. + (function_arg): If TARGET_ELF32, pass fp args in both general and fp + regs if we don't have a prototype. + * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32. + * pa.h (TARGET_ELF32): Default to 0 if undefined. + (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX, + EH_RETURN_HANDLER_RTX): Define. + * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test. + (DWARF_FRAME_REGNUM): Define. + * pa64-regs.h (DWARF_FRAME_REGNUM): Define. + * pa32-linux.h: New file. + * pa64-linux.h: New file. + + * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define. + (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while. + (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX, + NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF, + DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT, + DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP, + CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, + FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, + READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION, + DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY, + UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR, + ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL, + TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to.. + * pa64-hpux.h: New file. + (ASM_FILE_START): Correct typo. + (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE. + * config.gcc: Modify for above. + +Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com) + + * jump.c (jump_optimize_1): Don't delete dead stores here. + * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns + prior to running jump optimize before cse2. + +2001-04-12 Richard Henderson <rth@redhat.com> + + * Makefile.in (regmove.o): Depend on except.h. + * regmove.c: Include it. + +2001-04-12 Stan Shebs <shebs@apple.com> + + * objc/objc-act.c: Remove all code ifdefed with the never-used + macro OBJC_INT_SELECTORS. + * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS. + * tm.texi: Remove doc for OBJC_INT_SELECTORS. + +Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com> + + * config/pa/quadlib.c: Add prototypes. + +2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * bitmap.h (debug_bitmap): Delete redundant prototype. + + * rtl.h (get_frame_size): Likewise. + +2001-04-12 Jim Wilson <wilson@redhat.com> + + * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify + to just emit an fnorm. + +2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-common.h (truthvalue_conversion, type_for_mode, + type_for_size): Delete redundant declarations. + + * c-lex.h (is_class_name): Likewise. + + * c-tree.h (pedantic, convert, getdecls, gettags, + global_bindings_p, init_decl_processing, insert_block, + maybe_build_cleanup, poplevel, print_lang_decl, + print_lang_identifier, print_lang_type, pushdecl, pushlevel, + set_block, incomplete_type_error, build_function_call, + lvalue_or_else, mark_addressable): Likewise. + + * expr.h (expand_tree_builtin): Likewise. + +2001-04-12 Mark Mitchell <mark@codesourcery.com> + + * invoke.texi: Document --param max-gcse-memory. + +2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * configure.in (errno): Check for declaration. + * configure, config.in: Regenerated. + + * system.h (errno): Only declare if not already done. + +2001-04-12 Alexandre Oliva <aoliva@redhat.com> + + * recog.c (general_operand, immediate_operand, + nonmemory_operand): Require CONST_INTs to be sign-extended + values for their modes. + +2001-04-12 Alexandre Oliva <aoliva@redhat.com> + + * expmed.c (store_bit_field): Truncate CONST_INTs. + (expand_mult_highpart, expand_divmod): Likewise. + * expr.c (convert_modes, store_field): Likewise. + * integrate.c (expand_inline_function): Use promote_mode() to + determine whether to convert_modes() an argument as signed + or unsigned. + * optabs.c (expand_binop): Get CONST_INT operands + sign-extended for their appropriate modes. + * stmt.c (emit_case_nodes): Convert node values to the + appropriate mode. + (expand_end_case): Convert minval and range to the appropriate + mode. + * unroll.c (loop_iterations): Truncate abs_diff to the mode of + the iteration variable. + * varasm.c (immed_double_const): Don't require words to be + narrower than host wide ints to properly sign-extend + CONST_INTs. + +2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp> + + * sh.md (builtin_setjmp_receiver): New expander. + +2001-04-12 David Edelsohn <dje@watson.ibm.com> + + * config/rs6000/rs6000.c (rs6000_emit_move): Do not + special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria + for generating CONST_INT and CONST_DOUBLE. + +2001-04-12 Alexandre Oliva <aoliva@redhat.com> + + * config/rs6000/rs6000.c (logical_operand): CONST_INTs are + already sign-extended. + (rs6000_emit_prologue): Make register iterator signed. + (rs6000_emit_epilogue): Likewise. + * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high + and low. + (movsf split, movdf split): Sign-extend CONST_INTs. + (movdi splits): Likewise. + +2001-04-12 Kelley Cook <kelley.cook@home.com> + + * config-lang.in (lang_dirs): Add in zlib. + +2001-04-11 Alexandre Oliva <aoliva@redhat.com> + + * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT + operands that make it to RTL. + +2001-04-11 Stan Shebs <shebs@apple.com> + + Add Darwin (Mac OS X kernel) native support. + * config.gcc (powerpc-*-darwin*): Add native bits. + * config/darwin.c: New file, generic Darwin support functions. + * config/darwin.h: New file, generic Darwin definitions. + * config/darwin-protos.h: New file, generic Darwin prototypes. + * rs6000/darwin.h: New file, Darwin for PowerPC. + * rs6000/t-darwin: New file, Darwin makefile fragment. + * rs6000/rs6000.h (OBJECT_MACHO): New macro. + (TARGET_MACHO): Ditto. + (rs6000_abi): Add ABI_DARWIN. + (RS6000_REG_SAVE): Add ABI_DARWIN case. + (RS6000_SAVE_AREA): Ditto. + (FP_ARG_MAX_REG): Ditto. + (RETURN_ADDRESS_OFFSET): Ditto. + * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO + cases. + (rs6000_emit_move): Add ABI_DARWIN cases. + (print_operand): Ditto. + (first_reg_to_save): Ditto. + (rs6000_stack_info): Ditto, also align stack by 16 instead of 8. + (debug_stack_info): Ditto. + (rs6000_emit_prologue): Ditto. + (rs6000_emit_epilogue): Ditto. + (output_profiler_hook): Ditto. + (output_function_profiler): Ditto. + (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO. + (output_mi_thunk): Add TARGET_MACHO case. + (add_compiler_stub): Ditto. + (output_compiler_stub): Ditto. + (no_previous_def): Ditto. + (output_call): Ditto. + (machopic_output_stub): Ditto. + (rs6000_machopic_legitimize_pic_address): Ditto. + (toc_section): Ditto. + * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern. + (macho_high): Ditto. + (macho_low): Ditto. + (movsi_low): Ditto. + (load_macho_picbase): Ditto. + (call): Add TARGET_MACHO case to modify function. + (call_value): Ditto. + (call_nonlocal_sysv): Add ABI_DARWIN case. + (call_value_nonlocal_sysv): Ditto. + * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address): + Add prototype. + (machopic_output_stub): Ditto. + * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_. + +2001-04-11 Mark Mitchell <mark@codesourcery.com> + + * dwarf2out.c (modified_type_die): Don't create new types here. + * tree.h (get_qualified_type): New function. + (build_qualified_type): Adjust comment. + * tree.c (get_qualified_type): New function. + (build_qualified_type): Use it. + +2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cpp.texi (-Wtraditional): Update description. + + * invoke.texi (-Wtraditional): Likewise. + +2001-04-11 Jim Wilson <wilson@redhat.com> + + * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument + requires more than 64 bits of alignment. + +2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplib.c (do_line): Sanity check iff enable checking. + +2001-04-11 Richard Henderson <rth@redhat.com> + + * Makefile.in (insn-recog.o): Depend on toplev.h. + (insn-emit.o, doloop.o): Likewise. + * genrecog.c, genemit.c: Include toplev.h in generated file. + * doloop.c: Include toplev.h. + +2001-04-11 Mark Mitchell <mark@codesourcery.com> + + * Makefile.in (gcse.o): Depend on params.h. + * gcse.c: Include params.h. + (gcse_main): Don't do GCSE if doing so will take inordinate + amounts of memory. + * params.def (PARAM_MAX_GCSE_MEMORY): New parameter. + * params.h (MAX_GCSE_MEMORY): New macro. + +2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (insn-output.o): Depend on $(EXPR_H). + + * genoutput.c (output_prologue): Include expr.h in insn-output.c. + +2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined. + + * real.h (ereal_atof, real_value_truncate, target_isnan, + target_isinf, target_negative, assemble_real, debug_real): Delete + redundant prototypes. + + * Makefile.in (ifcvt.o): Depend on toplev.h. + + * c-semantics.c: Include expr.h. + + * ifcvt.c: Include toplev.h. + + * expr.h (rtx_equal_p): Delete prototype. + + * rtl.h (exact_log2_wide, floor_log2_wide, permalloc, + protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble, + eliminate_constant_term, expand_complex_abs, find_single_use, + make_tree, init_expr_once, init_optabs, supports_one_only): + Likewise. + + * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return, + rest_of_type_compilation, emit_queue, do_pending_stack_adjust, + expand_assignment, store_expr, emit_line_note_after, + emit_line_note_force, split_specs_attrs, label_rtx): Likewise. + + * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype. + + * sparc-protos.h: Delete redundant prototypes. + +2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com> + + * reload.c (push_reload): Add condition missed in SUBREG byte + offset patch. + +Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank. + +Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (floatsisf_sse): Fix output template + * i386.c (ix86_expand_fp_movcc) + + * reg-stack.c (emit_pop_insn): Handle complex modes. + (move_for_stack_reg): Emit proper move mode. + (subst_stack_regs_pat): Handle complex modes. + +2001-04-11 Jakub Jelinek <jakub@redhat.com> + + * cpplex.c (_cpp_lex_token): Only warn if -Wcomment. + +2001-04-10 Richard Henderson <rth@redhat.com> + + * libgcc2.h (__terminate_func_ptr): Remove typedef. + (__pure_virtual, __terminate, __terminate_set_func, + __default_terminate, __throw_type_match, __empty, + __get_eh_context, __get_eh_info, __get_dynamic_handler_chain, + __eh_rtime_match, __unwinding_cleanup, __rethrow, + __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free): + Remove prototypes of deleted functions. + +2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-typeck.c (convert_arguments): -Wtraditional now activates + -Wconversion warnings, except for changes in signed-ness. + Detect complex<->int & int<->complex conversions as well. + + * invoke.texi (-Wtraditional): Document it. + +Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * gcse.c (update_ld_motion_stores): Don't use variable I for an insn. + * flow.c (set_block_for_new_insns): Remove needless cast and + properly check for unset block number. + +2001-04-10 Andrew MacLeod <amacleod@redhat.com> + + * function.c (purge_single_hard_subreg_set): Only check REGNO if + the subreg was a hard register. Pseudos are left as subregs. + +2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro. + (LIB2ADD_ST): New macro, pass it to mklibgcc. + * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST. + (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a. + * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro. + +2001-04-09 Bo Thorsen <bo@suse.co.uk> + + * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one. + +2001-04-09 Andrew MacLeod <amacleod@redhat.com> + + * output.h (set_block_num): Missed it earlier, remove deprecated + prototype. + +2001-04-09 Andrew MacLeod <amacleod@redhat.com> + + * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p. + (load_killed_in_block_p): Change bb parameter from int to basic_block. + (oprs_not_set_p): Pass basic_blocks instead of ints as parameters. + (handle_rd_kill_set): Change bb parameter from int to basic_block. + (compute_kill_rd): Pass basic_blocks instead of ints as parameters. + (expr_killed_p): Change bb parameter from int to basic_block, pass + basic_blocks instead of ints as parameters. + (compute_ae_kill): Pass basic_blocks instead of ints as parameters. + (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter + from int to basic_block, pass basic_blocks instead of ints as parms. + (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb + parameter from int to basic_block, pass basic_blocks instead of ints. + (process_insert_insn): Pass basic_blocks instead of ints as parameters. + (insert_insn_end_bb): Change bb parameter from int to basic_block, + pass basic_blocks instead of ints. + (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass + basic_blocks instead of ints as parameters. + (pre_delete): Pass basic_blocks instead of ints as parameters. + (hoist_expr_reaches_here_p): Change bb parameter from int to + basic_block, pass basic_blocks instead of ints. + (hoist_code): Pass basic_blocks instead of ints as parameters. + (reg_set_info, store_ops_ok, store_killed_after, store_killed_before): + Change bb parameter from int to basic_block. + (build_store_vectors): Pass basic_blocks instead of ints as parameters. + (insert_insn_start_bb): Change bb parameter from int to basic_block, + pass basic_blocks instead of ints. + (insert_store): Pass basic_blocks instead of ints as parameters. + (replace_store_insn, delete_store): Change bb parameter from int to + basic_block, pass basic_blocks instead of ints. + (store_motion): Pass basic_blocks instead of ints as parameters. + +2001-04-09 Andrew MacLeod <amacleod@redhat.com> + + * basic-block.h (set_new_block_for_insns): New Prototype. + (set_block_num): Delete prototype. + * flow.c (set_block_num): Remove obsolete function. + (set_block_for_new_insns): Set BB for single or multiple insns. + * gcse.c (handle_avail_expr): Use set_block_for_new_insns. + (process_insn_end_bb): Use set_block_for_new_insns or + set_block_for_insn instead of set_block_num. + (pre_insert_copy_insn): Use set_block_for_new_insns. + (update_ld_motion_stores): Use set_block_for_new_insns. + (insert_insn_start_bb): Use set_block_for_new_insns. + (replace_store_insn): Use set_block_for_new_insns. + +2001-04-09 Andrew MacLeod <amacleod@redhat.com> + Jeff Law <law@redhat.com> + + * alias.c (get_addr): Externalize. + (canon_true_dependence): New function. Behaves like true_dependance + except it already assumes a MEM has been canonicalized. + * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags. + * gcse.c (struct ls_expr): Add load/store expressions structure. + (modify_mem_list, canon_modify_mem_list): New variable. + (gcse_main): Initialize & finalize alias analysis. Use enhanced + load motion and store motion if requested. + (alloc_gcse_mem): Allocate space for modify_mem_list array. + (free_gcse_mem): Free the modify_mem_list array. + (oprs_unchanged_p): Use load_killed_in_block_p. + (gcse_mems_conflict_p, gcse_mem_operand): New variables. + (mems_conflict_for_gcse_p): New function. Don't kill loads + with stores to themselves if its in the load/store expression list. + (load_killed_in_block_p): New function. + (canon_list_insert): New Function. + (record_last_mem_set_info): Keep a list of all instructions which + can modify memory for each basic block. + (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list. + (oprs_not_set_p): Use load_killed_in_block_p. + (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info. + (expr_killed_p): Use load_killed_in_block_p. + (compute_transp): Do not pessimize memory references. + (pre_edge_insert): Update stores for a load motion expression. + (one_pre_gcse_pass): Check loads/stores for extra load motion. + (ldst_entry): Find or create a ldst_expr structure. + (free_ldst_entry): Free memory for an individual item. + (free_ldst_mems): Free entire load/store expression list. + (print_ldst_list): Print debug info. + (find_rtx_in_ldst): Try to find an rtx expression in the ldst list. + (enumerate_ldsts): Assign integer values to each entry in list. + (first_ls_expr): First expression in the list. + (next_ls_expr): Next expression in the list. + (simple_mem): Check if expression qualifies for ld/st expression list. + (invalidate_any_buried_refs): Remove from expression list if its + used in some other way we don't understand. + (compute_ld_motion_mems): Find all potential enhanced load motion + expression. + (trim_ld_motion_mems): Remove any expressions which are invalid. + (update_ld_motion_stores): Copy store values to registers for loads + which have been moved. + (regvec, st_antloc, num_store): New global statics. + (reg_set_info): Marks registers as set. + (store_ops_ok): Verfies registers expressions are valid in a block. + (find_moveable_store): Look for moveable stores in a pattern. + (compute_store_table): Find stores in a function worth moving, maybe. + (load_kills_store): Check dependence of a load and store. + (find_loads): Find any loads in a pattern. + (store_killed_in_insn): Check if a store is killed in an insn. + (store_killed_after): Check is store killed after an insn in a block. + (store_killed_before): Check is store killed before an insn in a block. + (build_store_vectors): Generate the antic and avail vectors. + (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD. + (insert_store): Add a store to an edge. + (replace_store_insn): Replace a store with a SET insn. + (delete_store): Delete a store insn. + (free_store_memory): Free memory. + (store_motion): Perform store motion. + * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm. + * rtl.h (get_addr, canon_true_dependence): Add prototypes. + * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables. + (f_options): Add gcse-lm and gcse-sm. + +Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (expand_fp_movcc): Fix condition reversal code. + + * i386.c (ix86_register_move_cost): Fix handling of reformating penalty + * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New. + (CLASS_MAX_NREGS): Use it. + + * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit; + handle properly complex values. + (CLASS_MAX_NREGS): Likewise; update comment. + +2001-04-05 Bernd Schmidt <bernds@redhat.com> + + * ia64.c (ia64_flag_schedule_insns2): New variable. + (ia64_override_options): Initialize it. Clear + flag_schedule_insns_after_reload. + (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2. + +Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives; + Do not require source to match destination anymore; + Add abort to the nontrivial cases that should be handled by split. + (fix_trunc?fdi): Add SSE case for x86_64. + (floatdi?f): Likewise. + (floatdi?f_sse): New. + (fix_trunc?fdi_sse): New. + +2001-04-09 Richard Sandiford <rsandifo@redhat.com> + + * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label. + (DEBUG_ARANGES_END_LABEL): Ditto. + (dwarfout_init): Generate length and version fields at the start + of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL + after the length field. + (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of + the .debug_aranges info. + +Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (call, call_value): Make sure that resulting call_insn + does have proper second operand. + +Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com> + + * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete + function. Remove include of sys/cygwin.h. + +Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com> + + * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default. + (CPP_SPEC): Always search */include/w32api for header files. + (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL. + (LINK_SPEC): Add "cyg" to the library search prefixes. + +2001-04-08 Philip Blundell <philb@gnu.org> + + * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf. + +2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpperror.c (print_location): Don't special case <stdin>. + (_cpp_begin_message): Handle WARNING_SYSHDR the same as + WARNING, but we don't check if we're in system headers. + * cpplib.h (enum error_type): WARNING_SYSHDR: New. + * cpplib.c (do_warning): Warn in system headers. + +2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU> + + * mbchar.c: Include config.h first. + +2001-04-07 Zack Weinberg <zackw@stanford.edu> + + * config.gcc: Set default for xmake_file at top, not bottom. + Change places that set xmake_file to "none" to set to the + empty string instead, or remove them entirely if there is no + default xmake_file for this cpu_type. Remove references to + deleted files. + + * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi, + config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000, + config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3, + config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix, + config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds, + config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas, + config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1, + config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach, + config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx, + config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4: + Delete. + + * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf, + config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3, + config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony, + config/mips/x-sysv, config/rs6000/x-aix31: + Just set CLIB to -lld or -lmld, as appropriate. + + * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux, + config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320, + config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux, + config/mips/x-iris, config/pa/x-pa: + Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO, + OTHER_FIXINCLUDES_DIRS. + + * config/i386/x-djgpp: Don't set LN or LN_S. + * config/m88k/x-dolph: Don't define __m88k__. + * config/m88k/x-tekXD88: Don't set AR_FLAGS. + * config/pa/x-pa-mpeix: Just set up quadlib.asm. + * config/i860/fx2800.h: No need to #undef SVR4. + + 38 x-host fragments remain, 2 x-cpu. + +2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4. + +2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>. + +2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk> + + * configure.in: Add check for lstat. + * configure, config.in: Regenerate. + * cppinit.c (append_include_chain): Make empty path ".". + * cpplib.c (do_line): Don't simplify #line paths. + * cppfiles.c (remove_component_p): New function. + (find_or_create_entry): Acknowledge stat () errors during + path simplification. + (handle_missing_header): Don't simplify paths. + (_cpp_simplify_pathname): Don't simplify VMS paths. Return + the empty path untouched. Don't leave a trailing '/'. + +2001-04-06 Benjamin Kosnik <bkoz@redhat.com> + + * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add. + * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add. + +2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c (open_file): Fail directories silently, but + with an errno of NOENT set. + (read_include_file): Move the common exit code to the sole + caller. Return an int indicating success or failure. Let + open_file handle directories. + (stack_include_file): If read_include_file fails, + push a "null" buffer. + +2001-04-05 DJ Delorie <dj@redhat.com> + + * function.h (virtuals_instantiated): Declare. + * function.c: (virtuals_instantiated): Make global. + * calls.c (emit_library_call_value_1): Use + virtual_outgoing_args_rtx only if it hasn't been instantiated. + Otherwise, use the stack pointer directly. + +Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (x86_initialize_trampoline): New global function. + * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64. + (INITIALIZE_TRAMPOLINE): Move offline. + * i386-protos.h (x86_initialize_trampoline): Declare. + +Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (movdi_1_rex64): Allow SSE->SSE reg move. + (lea_0): Rename to lea_1. + (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns. + (lea_general_?): Allow SImodes on TARGET_64BIT + (lea_general_?_zext): New patterns. + (call_1, call_1_rex64): Fix. + +Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address. + +Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (function_arg): Return constm1_rtx for last argument. + (ix86_expand_prologue): Update gen_call calls. + * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise. + * i386.md (call_pop): Likewise. + (call): Second operand is VOIDmode. + (call_0): Likewise; Support 64bits. + (call_exp): New expander. + (call_1): Get to the sync. + (call_1_exp): New pattern. + (call_value): Support 64bit. + (call_value_exp): New pattern. + (untyped_call): Update gen_call call. + (call_value_pop): Disable for 64bit. + (call_value_0_rex64): New pattern. + (call_value_1_rex64): Likewise. + +2001-04-05 Bo Thorsen <bo@suse.de> + + * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT. + +Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com> + + * i386.md (*andsi_1+3): If used after reload, make sure the operand + satisfies ANY_QI_REG_P. + +2001-04-05 Bernd Schmidt <bernds@redhat.com> + + * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain + ASM_OPERAND. + + * sched-deps.c (sched_analyze_insn): Revert more of the March 27 + change. + +2001-04-04 Zack Weinberg <zackw@stanford.edu> + + * config.gcc: Remove default for xm_file. Clean up local + machine type handling. Remove settings of xm_file to + something that doesn't exist. In the big switch, set xm_file, + don't append to it (the value before the big switch is always + null). Don't force build_xm_file or host_xm_file to have a value. + * configure.in: Remove default for xm_file. Do not special + case $cpu/xm-$cpu.h not existing. + * configure: Regenerate. + +2001-04-04 Diego Novillo <dnovillo@redhat.com> + + * simplify-rtx.c (simplify_binary_operation): Check for overflow + when folding integer division and modulo operations. + +2001-04-04 Andrew MacLeod <amacleod@redhat.com> + + * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE + instead of DWARF2_ADDR_SIZE for EH addresses. + (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for + EH addresses. + +2001-04-04 Richard Henderson <rth@redhat.com> + + * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable. + * config/ia64/t-glibc (LIB2ADDEH): Disable. + * config/ia64/t-ia64 (LIB2ADDEH): Disable. + +2001-04-04 Richard Henderson <rth@redhat.com> + + * configure.in (gcc_cv_as_leb128): Escape "." in regexp. + * configure: Rebuilt. + +2001-04-04 Jakub Jelinek <jakub@redhat.com> + + * gcse.c (delete_null_pointer_checks_1): Add delete_list argument, + push insns to delete to it instead of deleting them. + (delete_null_pointer_checks): Delete insns from delete_list after + all delete_null_pointer_checks_1 passes are done. + +2001-04-04 Richard Henderson <rth@redhat.com> + + * configure.in (gcc_cv_as_leb128): Tweek minor number extraction. + * configure: Rebuilt. + +2001-04-04 Zack Weinberg <zackw@stanford.edu> + + * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic. + * config/romp/xm-romp.h: Delete. + +2001-04-04 Bernd Schmidt <bernds@redhat.com> + + * sched-deps.c (sched_analyze_insn): Partially revert March 27 + change. + +2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * emit-rtl.c (mark_label_nuses) Increment the label uses for + all labels present in rtx. + (try_split) Call new function for all split insns. + +2001-04-04 Jakub Jelinek <jakub@redhat.com> + + * recog.c (validate_replace_rtx_1): Instead of aborting just make + sure the change won't be validated. + +Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com) + + * rtl.h (set_noop_p): Declare. + * flow.c (set_noop_p): Move from here ... + * rtlanal.c (set_noop_p): ... to here and enhance. + * cse.c (delete_trivially_dead_insns): Use it. + * gcse.c (hash_scan_set): Likewise. + * jump.c (delete_noop_moves): Likewise. + * recog.c (split_all_insns): Likewise. + +2001-04-04 Alan Modra <alan@linuxcare.com.au> + + * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting + stack pointer via a LO_SUM. Ditto for setting a temp register + used to save to the stack. Set cfa_temp when setting fp, and + allow matches to cfa_temp in addition to cfa_store when saving + regs. Handle POST_INC and LO_SUM register stores. Document the + changes and errors in rule 12 doco. + + * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn. + (actual_fsize, local_fsize, save_fregs): Move for store_reg to see. + (load_reg): Move closer to epilogue code. + (DO_FRAME_NOTES): Define to control the following.. + (FRP): Define to set RTX_FRAME_RELATED_P on insns. + (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR + notes as necessary. + (hppa_expand_epilogue): Likewise. + +2001-04-03 Richard Henderson <rth@redhat.com> + + * configure.in (gcc_cv_as_leb128): Reject gas before 2.11. + * configure: Rebuild. + +2001-04-03 Richard Henderson <rth@redhat.com> + + * rtl.h (LCT_THROW): New. + * calls.c (emit_library_call_value_1): Handle it. + * except.c (connect_post_landing_pads): Use it. + +2001-04-03 Zack Weinberg <zackw@stanford.edu> + + * gansidecl.h: Delete file. + * configure.in: Change all refs to gansidecl.h to use + ansidecl.h. Adjust *_file_list so they know where ansidecl.h + lives. + * configure: Regenerate. + + * Makefile.in (intl.o): Don't depend on gansidecl.h. + * defaults.h: s/gansidecl.h/ansidecl.h/ in comment. + * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c: + Don't include gansidecl.h. + * intl.c, main.c, version.c, fixinc/fixlib.h, + fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not + gansidecl.h. + +Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_force_to_memory, ix86_free_from_memory): + Update for 64bit. + +2001-04-03 Zack Weinberg <zackw@stanford.edu> + + * config/i386/xm-beos.h, config/i386/xm-isc.h, + config/i386/xm-next.h, config/i386/xm-sco.h, + config/i386/xm-sco5.h, config/m68k/xm-plexus.h, + config/m88k/xm-m88k.h: Delete. + + * config/i386/xm-djgpp.h: Don't define __MSDOS__. + * config/romp/xm-romp.h: Don't define bcopy. + * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF, + HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA. + + * config.gcc: Remove references to deleted files. + + 14 xm-host.h remain, 1 xm-cpu.h. + +2001-04-03 Jakub Jelinek <jakub@redhat.com> + David S. Miller <davem@pierdol.cobaltmicro.com> + Andrew MacLeod <amacleod@redhat.com> + + Use byte offsets in SUBREGs instead of words. + + * alias.c (nonlocal_mentioned_p): Use subreg_regno function. + * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno + to pass new argument. + (add_stored_regs): Use subreg_regno_offset function. + * calls.c (expand_call): For non-paradoxical SUBREG take endianess + into account. + (precompute_arguments): Use gen_lowpart_SUBREG. + * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG. + (combine_simplify_rtx): Rework to use SUBREG_BYTE. + (simplify_set): Rework to use SUBREG_BYTE. + (expand_field_assignment): Use SUBREG_BYTE. + (make_extraction): Use SUBREG_BYTE. + (if_then_else_cond): Use SUBREG_BYTE. + (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments. + (gen_lowpart_for_combine): Compute full byte offset. + * cse.c (mention_regs): Use SUBREG_BYTE. + (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE. + (canon_hash): Use SUBREG_BYTE. + (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword. + (gen_lowpart_if_possible): Formatting. + * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos + correctly. + * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG + (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG + (loc_descriptor): Fixup explicit XEXP into SUBREG_REG + * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG + (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG + (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG + * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify + certain invariants about SUBREGs the compiler creates. + (gen_lowpart_SUBREG): New function. + (subreg_hard_regno): New function to get the final register number. + (gen_lowpart_common): Use SUBREG_BYTE. + (gen_imagpart): Spacing nits. + (subreg_realpart_p): Use SUBREG_BYTE. + (gen_highpart): Use SUBREG_BYTE. + (subreg_lowpart_p): Always compute endian corrected goal offset, + even at the byte level, then compare against that. + (constant_subword): New function, pulled out all constant cases + from operand_subword and changed second argument name to offset. + (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early + and call constant_subword to do the work. Return const0_rtx if + looking for a word outside of OP. + (operand_subword_force): Change second arg name to offset. + * expmed.c (store_bit_field): Use SUBREG_BYTE. + (store_split_bit_field): Use SUBREG_BYTE. + (extract_bit_field): Use SUBREG_BYTE. + (extract_split_bit_field): Use SUBREG_BYTE. + (expand_shift): Use SUBREG_BYTE. + * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG. + * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE. + * flow.c (set_noop_p): Use SUBREG_BYTE. + (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead. + * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG. + (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian + correction code. + (optimize_bit_field): Use SUBREG_BYTE. + (purge_addressof_1): Use SUBREG_BYTE. + (purge_single_hard_subreg_set): Use subreg_regno_offset function. + (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are + actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true. + * gengenrtl.c (special_rtx): Add SUBREG. + * global.c (mark_reg_store): Use SUBREG_BYTE. + (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE. + * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE. + * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure + final byte offset is congruent to subreg's mode size. + (subst_constants): Use SUBREG_BYTE. + (mark_stores): Use subreg_regno_offset function. + * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset + function and SUBREG_BYTE. + * local-alloc.c (combine_regs): Use subreg_regno_offset function. + (reg_is_born): Use subreg_hard_regno. + * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte + endian correction code. Don't combine subregs unless resulting + offset aligns with type. Fix subreg constant extraction for DImode. + Simplify SUBREG of VOIDmode CONST_DOUBLE. + (general_operand): Remove dead mode_altering_drug code. + (indirect_operand): Use SUBREG_BYTE. + (constrain_operands): Use subreg_regno_offset function. + * reg-stack.c (get_true_reg): Use subreg_regno_offset function. + * regmove.c (regmove_optimize): Use SUBREG_BYTE. + (optimize_reg_copy_3): Use gen_lowpart_SUBREG. + * regs.h (REG_SIZE): Allow target to override. + (REGMODE_NATURAL_SIZE): New macro which target can override. + * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used + on the entire subreg rtx. + (push_reload): Use SUBREG_BYTE in comments and code. + (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets + for hard registers inside subregs. + (operands_match_p): Use subreg_regno_offset. + (find_reloads): Use SUBREG_BYTE and only advance offset for subregs + containing hard regs. + (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian + corrections when fixing up MEM subregs. + (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and + subreg_regno_offset where appropriate. + (find_reloads_subreg_address): Use SUBREG_BYTE. Remove + byte endian corrections when fixing up MEM subregs. + (subst_reloads): When combining two subregs, make sure final + offset is congruent to subreg's mode size. + (find_replacement): Use SUBREG_BYTE and subreg_regno_offset. + (refers_to_regno_for_reload_p): Use subreg_regno. + (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset. + * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian + correction code for memory subreg fixups. + (forget_old_reload_1): Use subreg_regno_offset. + (choose_reload_regs): Use subreg_regno. + (emit_input_reload_insns): Use SUBREG_BYTE. + (reload_combine_note_store): Use subreg_regno_offset. + (move2add_note_store): Use subreg_regno_offset. + * resource.c (update_live_status, mark_referenced_resources): Use + subreg_regno function. + (mark_set_resources): Use subreg_regno function. + * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE. + (subreg_regno_offset, subreg_regno): Define prototypes. + (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions. + (gen_lowpart_SUBREG): Add prototype. + * rtl.texi (subreg): Update to reflect new byte offset representation. + Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now. + * rtlanal.c (refers_to_regno_p): Use subreg_regno. + (reg_overlap_mentioned_p): Use subreg_regno. + (replace_regs); Make sure final offset of combined subreg is + congruent to size of subreg's mode. + (subreg_regno_offset): New function. + (subreg_regno): New function. + * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE. + * sdbout.c (sdbout_symbol): Compute offset using alter_subreg. + * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG. + * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead. + (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides. + * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno. + (a29k_get_reloaded_address): Use SUBREG_BYTE. + (print_operand): Use SUBREG_BYTE. + * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE. + * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE. + (arm_reload_out_hi): Use SUBREG_BYTE. + * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset + instead of SUBREG_WORD. + (d30v_print_operand_memory_reference): Use subreg_regno_offset. + * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix + SUBREG creation to use byte offset. + * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit + inverted load insns): Fix explicit rtl subregs to use byte + offsets. + * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3, + udivsi3, umodsi3): Generate SUBREGs with byte offsets. + * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE. + * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl + to use byte offsets. + (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets. + * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte + offsets, also make sure it is congruent to SUBREG's mode size. + (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2, + unnamed ldob insn): Generate SUBREGs with byte offset. + (zero_extendqihi2): SUBREG's are byte offsets. + * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE. + (m68hc11_gen_highpart): Use SUBREG_BYTE. + * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2, + zero-extendqisi2): Generate SUBREGs with byte offset. + (umulsidi3, mulsidi3, subreghi1ashrdi_const32, + subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit + subregs in rtl to use byte offsets. + * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset. + * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset. + (mips_move_2words): Use subreg_regno_offset. + (mips_secondary_reload_class): Use subreg_regno_offset. + * config/mips/mips.md (DImode plus, minus, move, and logical op + splits): Fixup explicit subregs in rtl to use byte offsets. + * config/mn10200/mn10200.c (print_operand): Use subreg_regno function. + * config/mn10300/mn10300.c (print_operand): Use subreg_regno function. + * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in + rtl to use byte offsets. + * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE. + * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit + subregs to use byte offsets. + * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1): + Fixup explicit subregs in rtl to use byte offsets. + * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE + and remove byte endian correction code. + * config/sh/sh.c (output_movedouble): Use subreg_regno. + (gen_ashift_hi): Use SUBREG_BYTE. + (regs_used): Use subreg_regno_offset. + (machine_dependent_reorg): Use subreg_regno_offset. + * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE. + * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno. + (movdf_i4): Subregs are byte offsets now. + * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE. + * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed. + (REGMODE_NATURAL_SIZE): Override. + (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode. + * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs + with byte offsets. + (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2, + extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn, + extendqidi2): Generate SUBREGs with byte offsets, also make sure + it is congruent to SUBREG's mode size. + (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte + offsets. + (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc, + cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2, + lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper + SUBREG_BYTE offset for non-paradoxical subregs in patterns. + * config/v850/v850.c (print_operand, output_move_double): Use + subreg_regno function. + +2001-04-03 Alexandre Oliva <aoliva@redhat.com> + + * configure.in (target_subdir): Use target_alias, not target. + * configure: Rebuilt. + + * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the + other way round. + * config/sh/crti.asm: Fix typos in comments. + +2001-04-03 Alan Modra <alan@linuxcare.com.au> + + * pa.h: Revise comments for TARGET_NO_SPACE_REGS and + TARGET_FAST_INDIRECT_CALLS. + * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with + -fPIC. Don't warn. + (return_addr_rtx): Short circuit export stub matching when + TARGET_NO_SPACE_REGS. + (output_millicode_call): For out of range calls, make -fPIC + take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't + return before delay slot checks when TARGET_PORTABLE_RUNTIME. + * pa.md: Modify length attr calculation of all millicode insns to + match above. + +2001-04-02 Geoffrey Keating <geoffk@redhat.com> + + * configure.in (gcc_cv_as_leb128): Correct name of cache variable. + Require at least 2.11 in the version test. Specifically check + for and reject GAS version 2.10.90. + * configure: regenerate. + +2001-04-03 Alan Modra <alan@linuxcare.com.au> + + * pa.c (override_options): Remove PIC profiling warning. + (hp_profile_labelno): Delete. + (hp_profile_label_rtx): Delete. + (hp_profile_label_name): Delete. + (pa_add_gc_roots): Remove reference to hp_profile_label_rtx. + (output_function_prologue): Remove profiling code and all tests on + profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that + merge_sp_adjust_with_store can work for PIC and profiling. + (hppa_expand_epilogue): Remove profile_flag test. + (hppa_can_use_return_insn_p): Likewise. + (hppa_init_pic_save): Emit before tail_recursion_reentry, and + cater for PROFILE_HOOK. + (hppa_profile_hook): New function. + * pa.h (FUNCTION_PROFILER): Now does nothing. + (PROFILE_HOOK): Define. + (hppa_profile_hook): Declare. + (PROFILE_BEFORE_PROLOGUE): Delete. + (ASM_OUTPUT_REG_PUSH): Delete. + (ASM_OUTPUT_REG_POP): Delete. + * pa.md (call_profiler): Turn it into a call insn, and don't `use' + r24. Accept function name operand, and use this and a locally + generated label to calculate pc-rel offset to func start. + +2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o, + ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on + $(SYSTEM_H). + +2001-04-03 Alan Modra <alan@linuxcare.com.au> + + * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and + LO_SUM cases to where they belong. + +2001-04-02 Richard Henderson <rth@redhat.com> + + * except.h (lang_eh_type_covers): Mark extern. + (lang_eh_runtime_type): Likewise. + +2001-04-02 Zack Weinberg <zackw@stanford.edu> + + * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c, + gengenrtl.c: Wrap generated header in multiple-include guard. + Improve error checking. + +2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * configure.in: Don't check for putenv. + * configure: Regenerate. + * gcc.c (putenv): Don't define. + * vax/xm-vms.h: Handle putenv. + +2001-04-02 Jakub Jelinek <jakub@redhat.com> + + * ifcvt.c (noce_emit_move_insn): New. + (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): Use it. + (noce_process_if_block): Likewise. + For STRICT_LOW_PART, take mode from its SUBREG. + +2001-04-02 Jakub Jelinek <jakub@redhat.com> + + * fold-const.c (fold): Before optimizing unsigned comparison with + 0x7fffffffU, make sure arg0 is integral type. + +2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-tree.texi: Document representation of wide strings. + +2001-04-01 Richard Henderson <rth@redhat.com> + + * except.h (expand_builtin_dwarf_fp_regnum): Declare. + +Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz> + + * i386.md: remove obsoleted comments. + (adddi_?): Rename to adddi_?_rex64; disable for 32bit. + (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64; + fix output template. + +2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl> + + * config/avr/libgcc.S (__mulhi3): Optimize previous change. + +2001-03-30 Bernd Schmidt <bernds@redhat.com> + + * loop.c (load_mems): When generating a load from a pseudo, update + REGNO_LAST_UID. + +Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_split_long_move): Use change address to compensate + stack pointer change in push instruction. + +Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p + instead of rtx_equal_p; fix the output template. + +Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_expand_setcc): Support 64bit. + (ix86_expand_int_movcc): Likewise. + * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64): + New patterns. + + * i386.md (allocate_stack_worker): Turn to expander. + (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns. + + * i386.c (print_reg): Do not print x86_64 style regs on IA-32 + +2001-03-29 Richard Henderson <rth@redhat.com> + + * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h. + +2001-03-28 Matthew Hiller <hiller@redhat.com> + + * config/mn10300/mn10300.md (cmpsi): Fix first alternative's + output template. + + * MAINTAINERS: Added self. + +2001-03-28 Richard Henderson <rth@redhat.com> + + * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H. + Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection. + +2001-03-28 Jim Wilson <wilson@redhat.com> + + * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to + operand_subword. + +2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN. + + * tradcif.y (yyerror): Likewise. Add format specifier in call to + `error'. + + * tradcpp.c (macroexpand): Likewise for call to `error_with_line'. + +2001-03-28 DJ Delorie <dj@redhat.com> + + * Makefile.in (stage1_build): Revert CFLAGS patch. + +2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl> + + * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop + when multiplier or multiplicand is zero. + +2001-03-28 Bernd Schmidt <bernds@redhat.com> + + * cselib.c (hash_rtx): Don't do tail recursion elimination by hand. + + * config/ia64/ia64.c (update_set_flags): New function, broken out of + rtx_needs_barrier. + (set_src_needs_barrier): Likewise. + (rtx_needs_barrier): For SET case, use these two functions. Rework + PARALLEL case to handle all inputs before all outputs. + (emit_insn_group_barriers): Call init_insn_group_barriers only if we + saw a label and no stop bit since then. + (maybe_rotate, process_epilogue): Add prototypes. + +2001-03-28 Richard Henderson <rth@redhat.com> + + * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX, + not TARGET_TOC for special toc restore handling. + * config/rs6000/rs6000.md (eh_return): Likewise. + +2001-03-28 Richard Henderson <rth@redhat.com> + + * config/sparc/sparc.c (eligible_for_epilogue_delay): False if + current_function_calls_eh_return. + (output_function_epilogue): Handle eh_return. + * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove. + (EH_RETURN_DATA_REGNO): New. + (EH_RETURN_STACKADJ_RTX): New. + (EH_RETURN_HANDLER_RTX): New. + * config/sparc/sparc.md (call/short branch peepholes): Check + can_throw_internal instead of in_same_eh_region. + + * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space + for eh_return data registers. + (rs6000_emit_prologue): Save eh_return data registers. + (rs6000_emit_epilogue): Force inline restores if eh_return. + Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX. + * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset. + (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New. + (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and + the target uses one. + * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove. + (return_eh_si, return_eh_di): Remove. + (eh_return): New, from corpse of eh_epilogue. + (eh_set_lr_si, eh_set_lr_di): New. + + * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs. + (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs. + True for pic register if current_function_calls_eh_return. + (ix86_expand_epilogue): Change "emit_return" argument into "style". + Handle eh_return requirements. + * config/i386/i386.h (EH_RETURN_DATA_REGNO): New. + (EH_RETURN_STACKADJ_RTX): New. + * config/i386/i386.md (exception_receiver): Remove. + (eh_return, eh_return_1): New. + * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New. + + * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs. + (alpha_mark_machine_status): No eh_epilogue_sp_ofs ... + (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead. + * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs. + (EH_RETURN_DATA_REGNO): New. + (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New. + * config/alpha/alpha.md (eh_epilogue): Remove. + (exception_receiver): Use $26 for ldgp input. + * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New. + +2001-03-28 Richard Henderson <rth@redhat.com> + + * except.c: Rewrite entirely for IA-64 ABI exception handling. + * except.h: Likewise. + + * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c + (LIB2ADDEHDEP): New. + (LIB2FUNCS_EH): Remove. + (LIB2ADD): Remove LIB2ADDEH. + (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH. + (LIBGCC_DEPS): Use LIB2ADDEHDEP. + (crt{begin,end}[S].o): Likewise. + (except.o): Update includes. + * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP. + (libgcc2_c_dep): Use LIB2ADDEHDEP. + + * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end. + * bb-reorder.c (reorder_basic_blocks): Don't disable for EH. + * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New. + * builtins.c (expand_builtin): Implement it. + [BUILT_IN_EH_RETURN]: Update for nr arguments change. + * c-common.c (c_common_nodes_and_builtins): Declare it. + * c-decl.c (init_decl_processing): Update __builtin_eh_return. + * calls.c (libfunc_nothrow): Remove. + (emit_library_call_value_1): Don't call it. + * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h. + * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements. + (DW_EH_PE_*): New defines for pointer encoding in .eh_frame. + * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number. + (current_funcdef_number): Globalize. + (output_call_frame_info): Emit frame data if an lsda is needed. + Generate augmentation for personality routine. Don't play with + difference symbols. + (dwarf2out_begin_prologue): Record funcdef_number. + * dwarf2out.h (current_funcdef_number): Declare. + * expr.c (expand_expr): Update for except.h name changes. + Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR. + * expr.h (LTI_throw, LTI_rethrow): Remove. + (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove. + (LTI_eh_rtime_match): Remove. + (LTI_unwind_resume, LTI_eh_personality): Add. + (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add. + * final.c (final): Don't call check_exception_handler_labels, + init_insn_eh_region, or free_insn_eh_region. + (final_scan_insn): Always emit debug labels for + NOTE_INSN_EH_REGION notes. + * flags.h (flag_new_exceptions): Remove. + * flow.c (entry_exit_blocks): Remove eh_beg, eh_end. + (record_active_eh_regions): Remove. + (count_basic_blocks): Check all instructions for REG_EH_REGION. + Use can_throw_internal. + (find_basic_blocks_1): Likewise. + (move_stray_eh_region_notes): Remove. + (find_label_refs): No eh_return_stub_label. + (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX. + (make_eh_edge): No eh_nest_info. Update for reachable_handlers + changes. + (delete_unreachable_blocks): Don't track deleted handlers. + (flow_delete_block): Use maybe_remove_eh_handler. + (delete_eh_regions): Remove. + (merge_blocks): Don't check for eh region match. + (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO, + EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX. + (init_propagate_block_info): Disable dead frame store optimization + when current_function_calls_eh_return. + (dump_bb): Don't print eh_beg, eh_end. + * function.c (fixup_var_refs): No catch_clauses. + (expand_function_end): Likewise. Call expand_eh_return before + the return register use. Call sjlj_emit_function_exit_after. + (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions. + * function.h (struct function): Add calls_eh_return, uses_eh_lsda. + * ifcvt.c (dead_or_predicable): Remove eh region check. + * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return. + Don't check for EH vs parameters. + (expand_inline_function_eh_labelmap, eif_eh_map): Remove. + (expand_inline_function): Call duplicate_eh_regions. + (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END. + (copy_insn_notes): Remap REG_EH_REGION notes. + (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check. + * integrate.h (struct inline_remap): Add local_return_label. + * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor + check_exception_handler_labels, nor exception_optimize. + (find_cross_jump): No EH region check. + * optabs.c (init_optabs): Update for changed eh libfuncs. + * rtl.def (RESX): New. + * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove. + * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p + checks. Update for except.h name changes. + (expand_cleanups): Likewise. + (expand_dcc_cleanup, expand_dhc_cleanup): Remove. + * toplev.c (dump_file_index, dump_file): Add .02.eh dump. + (compile_file): Call init_eh before init_optabs. Don't + output_exception_table here. + (rest_of_compilation): Call convert_from_eh_region_ranges, + convert_to_eh_region_ranges, output_function_exception_table. + Don't emit_eh_context. + * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove. + (EXC_PTR_EXPR): New. + + * md.texi (eh_epilogue): Remove. + (eh_return): Document. + * tm.texi (EH_RETURN_DATA_REGNO): Document. + (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document. + + * eh-common.h: Remove file. + * frame-dwarf2.c, frame.c, frame.h: Remove files. + * libgcc2.c (L_eh): Remove. + + * unwind-dw2-fde.c: New file, largely copied from frame.c. + * unwind-dw2-fde.h: New file. + * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c. + * unwind-sjlj.c, unwind.h, unwind.inc: New files. + * libgcc-std.ver: Update for eh symbols. + +2001-03-27 Richard Henderson <rth@redhat.com> + + * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to + reduce false positives. + (regmove_optimize): Disable if flag_non_call_exceptions. + + * stmt.c (expand_return): Remove always true predicate. + (expand_decl_cleanup_no_eh): Remove dead code. + + * sched-deps.c (sched_analyze_insn): Consolidate scheduling + barrier code. Add a scheduling barrier if a non-call insn + can throw internally. + + * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap. + Auto-inc addresses trap only if their base register does. + + * except.c (can_throw_internal): Rename from can_throw. + * except.h, resource.c: Update references. + + * integrate.c (copy_insn_list): Use returnjump_p. + (copy_insn_notes): Recurse for CALL_PLACEHOLDER. + + * function.h (struct function): Move all boolean valued fields + to single bit fields at the end of the struct. + + * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c, + jump.c, toplev.c: + Rename asynchronous_exceptions to flag_non_call_exceptions. + + * gthr-single.h (UNUSED): New. Distinguish between how C + and C++ mark unused function arguments. Use throughout. + + * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS + value to target configuration header. + * configure.in (CONFIG_SJLJ_EXCEPTIONS): New. + * config.in, configure: Rebuild. + * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on + configuration and target defines. + (exceptions_via_longjmp): Remove. + * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c: + Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp. + + * except.h (flag_non_call_exceptions): Move ... + * flags.h: ... here. + + * combine.c (distribute_notes) [REG_EH_REGION]: If non-call + exceptions, put the note on the trapping instruction. + + * flags.h (flag_new_exceptions): Remove. + * toplev.c: Don't set it. + * final.c: Don't check it. + * except.c: Provide stub definition. + + * flow.c (tidy_fallthru_edges): Don't combine complex edges. + (calculate_global_regs_live): Kill call-clobbered registers + across exception edges. + * reg-stack.c (convert_regs_1): Kill the entire target stack + across non-call exception edges. + + * flow.c (cleanup_cfg): Take no argument. + * output.h, sibcall.c, toplev.c: Update all calls. + +2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * configure.in: Don't check for bcopy. + * configure, config.in: Regenerate. + + * system.h: Don't define or prototype bcopy, instead poison it. + +2001-03-27 Richard Henderson <rth@redhat.com> + + * function.c (expand_function_start): Set DECL_REGISTER on + a pseudo used for DECL_RESULT. + + * rtl.h (LCT_NORETURN): New. + * calls.c (emit_library_call_value_1): Handle it. + +2001-03-27 Stan Shebs <shebs@apple.com> + + * objc/objc-act.c (objc_init): Use dump_base_name. + (gen_declaration): Clear the buffer arg. + (gen_declaration_1): New function, body of gen_declaration. + (adorn_decl): Call gen_declaration_1 instead of gen_declaration. + (gen_method_decl): Ditto, plus always clear buffer arg. + (error_with_ivar): Simplify. + (warn_with_method): Ditto. + (build_message_expr): Don't clear buffers. + (dump_interface): Ditto. + (objc_debug): Ditto. + (build_keyword_selector): Clear the buffer by only zeroing + the first element. + (objc_implementation_context): Declare. + (start_class): Warn about missing @end. + (finish_objc): Ditto. + +2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * reload1.c (eliminate_regs): Don't abort on MEM USEs. + +2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (SYSTEM_H): Define. + Depend on $(SYSTEM_H), not system.h. + + * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h. + +2001-03-27 Jim Wilson <wilson@redhat.com> + + * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call + IA64_UNWIND_EMIT. + * config/ia64/ia64.c (block_num, need_copy_state): New static vars. + (process_epilogue): New static function. + (process_set): Call process_epilogue instead of emitting .restore + directly. + (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK. + + * flow.c (struct reg_cond_life_info): New fields orig_condition + and stores. + (init_propagate_block_info): Set new fields. + (mark_regno_cond_dead): Set and use new fields. + (flush_reg_cond_reg_1): Likewise. + (and_reg_cond, case AND): Check for redundant AND conditions. + (mark_used_reg): Delete unnecessary clears before freeing splay trees. + Set new fields. + +2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppmacro.c (stringify_arg): Null terminate strings. + +2001-03-27 Zack Weinberg <zackw@stanford.edu> + + * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h + inclusion style. xm-m68hc11.h no longer exists. + * config/m68hc11/xm-m68hc11.h: Delete file. + * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style. + + * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style. + Don't define GCC_VERSION, N_, or PARAMS; don't include + gansidecl.h or stdio.h. Define inhibit_libc here. + Make code conditioned on #if GCC_VERSION > 2095 unconditional. + Delete code conditioned on #if GCC_VERSION == 2095. + + * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c: + Make code conditioned on #if GCC_VERSION > 2095 unconditional. + Delete code conditioned on #if GCC_VERSION == 2095. + +2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * system.h: Include symcat.h. + (STRINGIFY): Don't define. + + * configure.in: Adjust comment. + + * builtins.c: Use STRINGX, not STRINGIFY. + * gencheck.c: Likewise. + * gengenrtl.c: Likewise. + * protoize.c: Likewise. + + * cpplex.c: Don't include symcat.h. + * cpplib.c: Likewise. + + * gansidecl.h (HAVE_STRINGIZE): Don't define. + +2001-03-27 Alan Modra <alan@linuxcare.com.au> + + * c-typeck.c (digest_init): Fold init expression. + +2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy. + +2001-03-27 Alan Modra <alan@linuxcare.com.au> + + * except.c (eh_regs): Save results of build_pointer_type to a temp + as FUNCTION_VALUE macro may evaluate its args multiple times. + +2001-03-26 Mark Mitchell <mark@codesourcery.com> + + * c-common.h (DECL_NUM_STMTS): New macro. + * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not + DECL_FRAME_SIZE. + (pushdecl): Likewise. + * c-semantics.c (add_stmt): Update DECL_NUM_STMTS. + * integrate.c (expand_inline_function): Don't check + DECL_FRAME_SIZE. + * print-tree.c (print_node): Don't print it. + * toplev.c (rest_of_compilation): Don't try to inline when + flag_no_inline is on. + * tree.h (DECL_FRAME_SIZE): Remove. + (tree_decl): Adjust accordingly. + +2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * combine.c (try_combine): Use memcpy, not bcopy. + + * genattrtab.c (expand_units): Likewise. + +Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (push mem DI peep2): New. + (mov 0, mov -1 peep2): Handle 64bit. + (lea to arithmetics peep2): Handle 64bit leas. + (rsp arithmetics to push/pop peep2s): New. + + * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand. + +Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (struct machine_function): Add save_varrargs_registers. + (ix86_save_varrargs_registers): New macro. + (ix86_frame_layout): Support 64bit; support red zones and varrargs area. + (ix86_expand_prologue): Likewise. + (ix86_emit_epilogue_esp_adjustement): Likewise. + (ix86_expand_epilogue): Likewise. + * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit. + (pro_epilogue_adjust_stack_1): New insn. + (pro_epilogue_adjust_stack_rex64): Likewise. + * i386.h (MASK_NO_RED_ZONE): New constant. + (TARGET_RED_ZONE): New macro. + (TARGET_OPTIONS): Add "red-zone" and "no-red-zone" + (RED_ZONE_SIZE): New constant. + (RED_ZONE_RESERVE): New constant. + +2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * toplev.c (set_float_handler): Use memcpy, not bcopy. + +2001-03-25 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md (umodqi3): Output a tab instead of a + space. + (modqi3): Likewise. + (umodhi3): Likewise. + (modhi3): Likewise. + +2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * mkconfig.sh (DEFINES): Handle entries with '='. + + * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h. + Set xm_defines to MACRO=value instead. + + * i370/xm-mvs.h: Delete. + + * ns32k/xm-pc532-min.h: Likewise. + +Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to + shiftdi_operand; + use ix86_expand_binary_operator + (?sh??i_?): Disable for 64bit. + * i386.h (PREDICATE_CODES): Add shiftdi_operand. + * i386.c (shiftdi_operand): New predicate. + + * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext, + ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64, + ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext, + ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext, + ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64, + lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext, + lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext, + rotlsi3_1_one_bit_rex64, rotldi3_1_rex64, + rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64, + rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns. + (rotldi3, rotrdi3): New expanders. + +Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (movstrsi): Move offline. + (movstrdi): New. + (strmovdi_rex64): New. + (strmov?i): Accept 64bit. + (strmov?i_rex64): New. + (strmov?i_rex_1): New. + (strmov?i_1): Disable for 64bit. + (rep_mov?i_rex64): New. + (rep_mov?i): Disable for 64bit. + (clrstrsi): Move offline. + (strset?i_rex64): New. + (strset?i: Accept 64bit. + (rep_stos?i): Disable for 64bit. + (rep_stos?i_rex64): New. + (strset?i_rex_1): New. + (strset?i_1): Disable for 64bit. + (cmpstrsi): Accept 64bit. + (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit. + (cmpstrqi_nz_rex_1): New. + (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit. + (strlensi): Move offline. + (strlendi): New. + (strlenqi_1): Disable for 64bit; fix constraints. + (strlenqi_rex_1): New. + * i386.c (ix86_adjust_counter): New static function. + (ix86_zero_extend_to_Pmode): Likewise. + (ix86_expand_aligntest): Likweise. + (ix86_expand_strlensi_unroll_1): Make static; update for 64bit. + (ix86_expand_movstr): New global function. + (ix86_expand_clrstr): New global function. + (ix86_expand_strlen): New global function. + * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr, + ix86_expand_strlen): Declare. + (ix86_expand_strlensi_unroll_1): Delete. + +Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (cmpdi): Fix operand predicates. + (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64, + cmpdi_1_insn_rex64): New patterns. + (adddi3): Turn to expander. + (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns. + (addsi3_carry_zext): New pattern. + (adddi_?_rex64): New patterns and splitters. + (addsi_?_zext): New patterns. + (subsi3_carry_zext): New pattern. + (subdi_?_rex64): New patterns and splitters. + (iorsi_?_zext): New patterns. + (iordi_?_rex64): New patterns and splitters. + (iorsi_?_zext): New patterns. + (iorsi_?_zext_imm): New patterns. + (xorsi_?_zext): New patterns. + (xordi_?_rex64): New patterns and splitters. + (xorsi_?_zext): New patterns. + (negdi*): New patterns. + (one_cmpldi*): Likewise. + (one_cmplsi*_zext, negsi*_zext): Likewise. + (testqi_ext_3_rex64): New pattern. + +Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386-protos.h (ix86_split_long_move): Return void. + * i386.c (ix86_split_to_parts): Handle 64bit target. + (ix86_split_long_move): Likewise. + * i386.md (all calls to ix86_split_long_move): Update. + +2001-03-23 Richard Henderson <rth@redhat.com> + + * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables + to avoid shadowing arguments. + +2001-03-23 Jakub Jelinek <jakub@redhat.com> + + * varasm.c (make_decl_rtl): Don't append var_labelno discriminator + to variable names where DECL_NAME is different from + DECL_ASSEMBLER_NAME. + +2001-03-23 Jim Wilson <wilson@redhat.com> + + * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test. + (assemble_alias): Call make_decl_rtl. + +Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com> + + * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type. + +2001-03-23 Bryce McKinlay <bryce@albatross.co.nz> + + * extend.texi: Document the "java_interface" attribute. + +2001-03-22 Zack Weinberg <zackw@stanford.edu> + + * mkconfig.sh: Use a subshell with redirected stdout, + instead of closing stdout and confusing commands that run + afterward. Throw away output of cmp. + +2001-03-22 Gordon Sadler <gbsadler1@lcisp.com> + + * Makefile.in (stage1_build): Pass CFLAGS to stage1_build. + +Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (zero_extendsidi2_32): Break out from ... + (zero_extendsidi2): ... here ; turn to expander. + (zero_extendsidi2_rex64): New. + (extendsidi2_32): Break out from ... + (extendsidi2): ... here ; turn to expander. + (extendsidi2_rex64): New. + (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New. + (trunc?f?f splitters): Add 64bit versions. + +Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (pushsi, pushsi2_prologue): Disable. + (pushsi2_rex64): New. + (movabs?i_1_rex64, movabs?i_2_rex64): New. + (movqi_ext_1): Disable for 64bit. + (movqi_ext_1_rex64): New. + (pushdi2_rex64): New pattern, peep2s and splitter. + (pushdi2_prologue_rex64): New pattern. + (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64): + Likewise. + (movdi splitters): Disable for 64bit. + (movdi_1_rex64): New pattern, peep2s and splitters. + (swapdi): New pattern. + (pushsf): Disable for 64bit. + (pushsf_rex64): New pattern and splitter. + (pushdf_nointeger): Disable for 64bit. + (pushdf_integer): Handle the 64bit case. + (pushtf): Likewise; update splitters. + +2001-03-22 Richard Henderson <rth@redhat.com> + + * mkconfig.sh: Include insn-flags.h. + * Makefile.in (CONFIG_H): Include insn-flags.h. + (lots of objects): Remove insn-codes.h and insn-flags.h. + + * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c, + integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c, + regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c, + avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c, + dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c, + i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c, + m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c, + mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c, + pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c, + v850/v850.c, vax/vax.c: + Don't include insn-flags.h. + + * diagnostic.c, expr.h, reload.c, toplev.c: + Don't include insn-codes.h. + + * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c, + final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c, + c4x/c4x.c, i960/i960.c, mips/mips.c: + Don't include insn-codes.h or insn-flags.h. + + * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h + or insn-flags.h in the generated code. + * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx". + (main): Forward declare struct rtx_def. + +2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk> + + * invoke.texi (-ffast-math): Remove duplicate line about + __FAST_MATH__. + + * gcc.texi: Remove more obsolete documentation of bugs and + installation problems. + +2001-03-21 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative + into two parts. + +2001-03-20 Jason Merrill <jason@redhat.com> + + * collect2.c (is_ctor_dtor): Always use '_' in the file fn names, + not '.' or '$'. + * tree.c (FILE_FUNCTION_FORMAT): Likewise. + * varasm.c (CHKR_PREFIX): Likewise. + +Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * gcse.c (hash_scan_set): An expression is not anticipatible if it + is part of a multi-SET insn. + + * cse.c (find_comparison_args): Remove previous change. + * ifcvt.c (noce_process_if_block): When moving an insn, remove any + REG_EQUAL notes. + + * config/i386/i386.md (conditional_trap): Remove warning. + + * recog.c (push_operand): Fix error in last change that caused + undefined symbol on many targets. + + * sdbout.c: #include ggc.h. + (sdbout_init): Move to end of file. + Call ggc_add_tree_root for anonymous_types. + (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME. + (sdbout_one_type): Use DECL_NAME for field name. + * Makefile.in (sdbout.o): Show includes ggc.h. + +Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (override_options): Default ix86_regparm to REGPARM_MAX. + (override_options): Use properlimits for preferred_stack_boundary. + (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes + on x86_64. + (ext_register_operand): Accept DImode. + (load_pic_register): Abort on 64bit. + (gen_push): Use Pmode instead of SImode. + (ix86_save_reg): Pic reg is never used on 64bit. + (ix86_expand_prologue): Likewise. + (ix86_emit_save_regs): Use Pmode instead of SImode. + (legitimate_address_p): Check displacement for 64bit. + (print_operand): Avoid outputting of (%rip) on 64bit. + (print_operand_address): Output (%rip) where possible. + (split_di): Abort on 64bit registers. + (ix86_expand_branch): DImode comparison is simple for x86_64. + (memory_address_length): Recognize memory addresses formed using + PRE/POST modify. + (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes + for x86_64. + * i386.h (TARGET_USE_SAHF): Disable for 64bit. + +Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz> + + * recog.c (push_operand): Recognize new format of push instructions. + +Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (pushqi1): New. + * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand, + x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand, + x86_64_immediate_operand, x86_64_immediate_operand, + x86_64_zext_immediate_operand): Declare. + * i386.c (x86_64_general_operand, x86_64_szext_general_operand, + x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand, + x86_64_immediate_operand, x86_64_immediate_operand, + x86_64_zext_immediate_operand): define. + * i386.h (PREDICATE_CODES): Add new predicates. + +Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (pophi1, popqi1, pushqi1): Remove. + + * expr.c (emit_single_push_insn): New function. + (move_by_pieces): Accept NULL as destination for push instructions. + (gen_push_operand): Kill. + (emit_push_insn): Pass NULL when pushing; avoid updating of + stack_pointer_delta. + * expr.h (gen_push_operand): Kill. + +Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * rtl.texi (COMPARE): Clarify documentation and reference section + on comparisons. + +2001-03-20 Stan Shebs <shebs@apple.com> + + * objc/objc-act.c (get_static_reference): Use NULL_TREE. + (get_object_reference): Ditto. + (error_with_ivar): Use error_with_file_and_line. + (warn_with_method): Use warning_with_file_and_line. + +2001-03-20 Tom Tromey <tromey@redhat.com> + + * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi. + +2001-03-20 Mark Mitchell <mark@codesourcery.com> + + * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for + variables that are TREE_PUBLIC, even if not TREE_STATIC. + +2001-03-20 DJ Delorie <dj@redhat.com> + + * Makefile.in (install-libgcc): Pass complete list of variables. + (install-multilib): Ditto. + +2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com> + + * config/i386/cygwin.h: Declare ctor_section, dtor_section + drectve_section, switch_to_section. + + * winnt.c: Declare functions associated_type, gen_stdcall_suffix, + i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport, + i386_pe_mark_dllimport. + +2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com> + + * config/i386/cygwin.h: Include <stdio.h> Declare and constify + functions i386_pe_*. + + * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify + i386_pe_* functions with char * arguments. + +2001-03-20 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load + and store. + (movsi_ie): Introduce fpul store. + +2001-03-20 Alan Modra <alan@linuxcare.com.au> + + * Makefile.in (OBJS): Remove hashtab.o. + +2001-03-19 Stan Shebs <shebs@apple.com> + + * objc/objc-act.c (maybe_objc_method_name): Remove, never called. + * c-lang.c (maybe_objc_method_name): Ditto. + * c-tree.h (maybe_objc_method_name): Remove decl. + +2001-03-19 Tom Tromey <tromey@redhat.com> + + * gcc.c (init_gcc_specs): Fix comment. + +2001-03-19 Mark Mitchell <mark@codesourcery.com> + + Compute DECL_ASSEMBLER_NAME lazily. + * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily. + (DECL_ASSEMBLER_NAME_SET_P): New macro. + (SET_DECL_ASSEMBLER_NAME): Likewise. + (COPY_DECL_ASSEMBLER_NAME): Likewise. + (set_decl_assembler_name): Declare. + (lang_set_decl_assembler_name): Likewise. + * tree.c (lang_set_decl_assembler_name): New variab.e + (set_decl_assembler_name): New function. + (init_obstacks): Set lang_set_decl_assembler_name. + (build_decl): Don't set DECL_ASSEMBLER_NAME. + * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME, + COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME + where it's not necessary. + (builtin_function): Likewise. + (finish_decl): Likewise. + * dbxout.c (dbxout_type_methods): Likewise. + * ggc-common.c (ggc_mark_trees): Likewise. + * profile.c (output_func_start_profiler): Likewise. + * varasm.c (make_decl_rtl): Likewise. + + * cse.c (find_comparison_args): Update documentation. Fix + mishandling of COMPARE operations. + + * tree.def (ABS_EXPR): Add documentation. + * fold-const.c (fold): Improve folding of ABS_EXPRs. + +2001-03-19 Zack Weinberg <zackw@stanford.edu> + + * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H). + +2001-03-19 Jakub Jelinek <jakub@redhat.com> + + * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined. + Remove ia32 linux PIC kludge and move it... + * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here. + +Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (absdf2 expander): Fix 64bit case. + +2001-03-19 Brad Lucier <lucier@math.purdue.edu> + + * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H). + +2001-03-16 Andrew Haley <aph@cambridge.redhat.com> + + * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace. + +2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * README.X11: Remove obsolete file. + +2001-03-18 Anthony Green <green@redhat.com> + + * config/pj/pj.h: Remove some trailing commas. + (ASM_SPEC): Use -EB and -EL, not -mb and -ml. + +2001-03-18 Richard Henderson <rth@redhat.com> + + * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ... + * calls.c: ... here. + * combine.c, expr.c, final.c, function.c toplev.c: Don't provide + defaults for them here. + +2001-03-17 Anthony Green <green@redhat.com> + + * config/pj/lib1funcs.S: Fix broken comment. + * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal + labels with '.'. + +2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk> + + * gcc.texi: Remove obsolete information relating to build and + installation problems with enquire or the Pyramid C compiler. + +2001-03-17 Richard Henderson <rth@redhat.com> + + * dwarf2out.c (queue_reg_save): New. + (flush_queued_reg_saves, clobbers_queued_reg_save): New. + (dwarf2out_frame_debug_expr): Call queue_reg_save instead of + dwarf2out_reg_save. + (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed. + (cfa, cfa_store, cfa_temp): Make static. + * final.c (final_scan_insn): Always call dwarf2out_frame_debug. + +2001-03-17 Richard Henderson <rth@redhat.com> + + * integrate.h (struct inline_remap): Add local_return_label. + * integrate.c (expand_inline_function): Initialize it and emit + it after copy_insn_notes. + (copy_insn_list): Don't store local_return_label here. + (copy_insn_notes): New function split out from copy_insn_list. + +2001-03-17 Richard Henderson <rth@redhat.com> + + * dwarf2out.c (lookup_filename): Emit .file if the assembler + is generating .debug_line. + (dwarf2out_init): Add main_input_filename to the file table first. + * configure.in (as_dwarf2_debug_line): Test with file number 1 + instead of file number 0. + +Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * combine.c (undobuf): Remove field previous_undos; all refs deleted. + (gen_rtx_combine): Deleted; all references changed as appropriate. + (gen_unary): Deleted; all refs changed to call simplify_gen_unary. + + * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P. + +2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com> + + * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused + variable. + +2001-03-16 Jim Wilson <wilson@redhat.com> + + * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero, + then set it to LOC_REG (79) instead of aborting. + +2001-03-16 Phil Edwards <pme@sources.redhat.com> + + * gccbug.in: Remove high priority. + +2001-03-16 Richard Henerson <rth@redhat.com> + + * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od + output with a space instead of deleting it. + * configure: Regenerate. + +2001-03-16 Zack Weinberg <zackw@stanford.edu> + + * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which + handles the gory details of converting an object file into + something that's safe to grep. + (gcc_AC_C_COMPILE_BIGENDIAN): Rename to + gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put + newlines at either end of the string we're looking for. + Make 'checking ...' message less stilted. + (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle + ARM in-memory layout and its hypothetical converse. Don't + define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from + HOST_WORDS_BIG_ENDIAN. + + * configure.in: Adjust for renamed macro. Move + gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN. + * configure, config.in: Regenerate. + +2001-03-16 Laurynas Biveinis <lauras@softhome.net> + + * fixinc/Makefile.in: Set SHELL. + +2001-03-16 Laurynas Biveinis <lauras@softhome.net> + + * fixinc/fixincl.c (fix_with_system): Quote file names before + passing them to shell. + +2001-03-16 Laurynas Biveinis <lauras@softhome.net> + + * Makefile.in: Use fix-header$(build_exeext) instead + of fix-header. + +2001-03-16 Richard Henderson <rth@redhat.com> + + * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes. + (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New. + (size_of_line_prolog): Remove. + (output_line_info): Compute prologue size via label difference. + (lookup_filename): Return "unspecified" for <internal> and <built-in>. + + * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the + assembler error when redefining file numbers. + * config.in, configure: Rebuild. + + * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size. + (dw2_asm_output_data_uleb128): Use space not tab after .uleb128. + (dw2_asm_output_delta_uleb128): Likewise. + (dw2_asm_output_delta_sleb128): Similarly. + (dw2_asm_output_data_sleb128): Similarly. Print number in decimal. + +2001-03-16 Michael Meissner <meissner@redhat.com> + + * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids + warnings. + (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids + warnings. + (BITMASK_LOWER16): Replacement for 0x0000ffff. + + * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16 + instead of 0xffff0000/0x0000ffff to avoid warnings about constants + being unsigned in ISO C and signed in traditional. + (expand_prologue): Ditto. + (RA_MASK): Use BITMASK_HIGH to avoid warnings. + + * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid + warnings. + (divsi3,divdi3): Ditto. + (modsi3,moddi3): Ditto. + (fix_truncdfsi2,fix_truncdfdi2): Ditto. + (fix_truncsfsi2,fix_truncsfdi2): Ditto. + (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid + warnings. + +Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_expand_fp_movcc): Do not attempt to construct + SSE based conditional moves on LTGT/UNEQ conditions; + Canonicalize EQ to NE. + * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode. + (sse_mov?fcc_ne): New. + + * i386-protos.h (sign_extended_value, zero_extended_value): Declare. + +2001-03-16 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC + register may be dead. + +2001-03-16 Brad Lucier <lucier@math.purdue.edu> + + * Makefile.in (hash.o): Depend on CONFIG_H. + +2001-03-15 Mark Mitchell <mark@codesourcery.com> + + * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET. + +2001-03-15 Richard Henderson <rth@redhat.com> + + * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New. + (ASM_OUTPUT_DWARF_PCREL): New. + * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove. + +2001-03-16 Alexandre Oliva <aoliva@redhat.com> + + * cppfiles.c (stack_include_file): Use MAX of sysp. + +2001-03-15 Steve Ellcey <sje@cup.hp.com> + + * config.gcc (ia64*-*-hpux*): New case. + * config/ia64/hpux.h: New file for HP-UX support. + * config/ia64/t-hpux: New file for HP-UX support. + +2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com> + + * fixinc/inclhack.def (irix_stdio_va_list): New. + * fixinc/fixincl.x: Rebuilt. + +2001-03-15 Richard Henderson <rth@redhat.com> + + * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET + if provided by the target. + (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL. + (dw2_asm_output_addr): New. + * dwarf2asm.h (dw2_asm_output_addr): Declare. + * dwarf2out.c (output_cfi): Use it for program addresses. + (output_call_frame_info, output_die): Likewise. + (output_aranges, output_line_info): Likewise. + +2001-03-15 Bruce Korb <bkorb@gnu.org> + + * gcc.c(main): make more rigorous + * collect2.c(main): guard against ignoring SIGCHLD + * protoize.c(main): ditto + * gcc/fixinc/fixincl.c(initialize): ditto + +2001-03-15 Mark Mitchell <mark@codesourcery.com> + + * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL. + (sdbout_parms): Likewise. + +Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com) + + * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not + "widen" a destination that is already wider than a word. Also do + not widen if LOAD_EXTEND_OP is NIL for the given mode. + +2001-03-15 Bernd Schmidt <bernds@redhat.com> + + * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids. + +Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com) + + * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo. + +Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com) + + * i960.h (i960_maxbitalignment, + i960_last_maxbitalignment): Declare. + * i960.c (i960_maxbitalignment, + i960_last_maxbitalignment): Make global. + (process_pragma): Delete. + (i960_pr_align, i960_pr_noalign): Move from here ... + * i960-c.c: ... to this new file. + * t-960bare (i960-c.o): New rule. + * t-vxworks960 (i960-c.o): Likewise. + * config.gcc (i960-*-*): Define c_target_objs and + cxx_target_objs. + +2001-03-15 Bernd Schmidt <bernds@redhat.com> + + * cselib.c (hash_rtx): For REG and MEM, just use value of expression + without adding in rtx code and mode. + + * alias.c (init_alias_analysis): Don't use any rtx whose value + varies as a known value. + Delete a superfluous test. + + * config/ia64/ia64.c (maybe_rotate): New function, broken out of + ia64_sched_reorder. + (ia64_sched_reorder): Call maybe_rotate; also rotate after + scheduling a stop bit. + (ia64_emit_nops): Correctly handle ASMs. + +2001-03-15 Mark Mitchell <mark@codesourcery.com> + + * varasm.c (assemble_variable): Use DECL_RTL_SET_P. + +2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpp.texi: Update documentation for -include and -imacros. + * cppfiles.c (struct include_file): Remove "defined" memeber. + (find_or_create_entry): Make a copy of the file name, and + simplify it. + (open_file): Update to ensure we use the simplified filename. + (stack_include_file): Don't set search_from. + (cpp_included): Don't simplify the path name here. + (find_include_file): New prototype. Call search_from to + get the start of the "" include chain. Don't simplify the + filenames here. + (_cpp_execute_include): New prototype. Move diagnostics to + do_include_common. Update. + (_cpp_pop_file_buffer): Don't set defined. + (search_from): New prototype. Use the preprocessor's cwd + for files included from the command line. + (read_name_map): Don't simplify the pathname here. + * cpphash.h (enum include_type): New. + (struct buffer): Delete search from. New search_cached. + (_cpp_execute_include): Update prototype. + * cppinit.c (do_includes): Use _cpp_execute_include. + * cpplib.c (do_include_common): New function. + (do_include, do_include_next, do_import): Use it. + +2001-03-14 Mark Mitchell <mark@codesourcery.com> + + * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the + contents of the RTL, to determine the name of the object. + +2001-03-14 Mark Mitchell <mark@codesourcery.com> + + * tree.h (DECL_RTL): Allocate RTL lazily. + (SET_DECL_RTL): New macro. + (DECL_RTL_SET_P): Likewise. + (COPY_DECL_RTL): Likewise. + (DECL_RTL_IF_SET): Likewise. + * varasm.c (make_decl_rtl): Add assertions about the kind of + declaration we are processing. + * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc. + (start_decl): Likewise. + (finish_decl): Likewise. + * c-semantics.c (emit_local_var): Likewise. + * calls.c (expand_call): Likewise. + * dbxout.c (dbxout_symbol): Likewise. + * emit-rtl.c (unshare_all_rtl): Likewise. + (unshare_all_decls): Likewise. + (reset_used_decls): Likewise. + * expr.c (store_constructor): Likewise. + (safe_from_p): Likewise. + (expand_expr): Likewise. + * function.c (put_var_into_stack): Likewise. + (instantiate_decls_1): Likewise. + (assign_parms): Likewise. + (expand_function_start): Likewise. + (expand_function_end): Likewise. + * ggc-common.c (gcc_mark_trees): Likewise. + * integrate.c (function_cannot_inline_p): Likewise. + (copy_decl_for_inlining): Likewise. + (expand_inline_function): Likewise. + (integrate_parm_decls): Likewise. + (integrate_decl_tree): Likewise. + * print-tree.c (print_node): Likewise. + * reg-stack.c (stack_result): Likewise. + * stmt.c (label_rtx): Likewise. + (expand_return): Likewise. + (expand_decl): Likewise. + (expand_decl_cleanup): Likewise. + (expand_anon_union_decl): Likewise. + * toplev.c (check_global_declarations): Likewise. + (rest_of_decl_compilation): Likewise. + * tree.c (simple_cst_equal): Likewise. + * objc/objc-act.c (generate_static_references): Likewise. + +2001-03-14 Zack Weinberg <zackw@stanford.edu> + + * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN, + gcc_AC_C_FLOAT_FORMAT): New macros. + * configure.in: Add AC_PROG_CPP after CC tests; + gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof + tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT. + * configure, config.in: Regenerate. + + * config/a29k/xm-a29k.h, config/arc/xm-arc.h, + config/arm/xm-arm.h, config/c4x/xm-c4x.h, + config/convex/xm-convex.h, config/d30v/xm-d30v.h, + config/i370/xm-linux.h, config/i370/xm-oe.h, + config/ia64/xm-ia64.h, config/m32r/xm-m32r.h, + config/m68k/xm-m68k.h, config/mips/xm-mips.h, + config/pa/xm-linux.h, config/pa/xm-pa.h, + config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h, + config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h, + config/sparc/xm-sparc.h, config/vax/xm-vax.h, + config/we32k/xm-we32k.h: Delete. + + * config/i370/xm-mvs.h, config/m88k/m88k.h, + config/romp/xm-romp.h, config/rs6000/xm-beos.h, + config/vax/xm-vms.h: Don't define any of: + HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN + + * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here. + + * config.gcc: Remove references to deleted files. + (i370-*-opened*): Use i370/xm-mvs.h (which now defines only + FATAL_EXIT_CODE, which is the same between oe and mvs). + +2001-03-14 DJ Delorie <dj@redhat.com> + Vladimir Makarov <vmakarov@redhat.com> + + * config/i960/i960.c (i960_function_prologue): Compute size of + frame according to number of registers actually saved there. + +2001-03-14 Richard Henderson <rth@redhat.com> + + * expr.c (emit_move_insn_1): Fix else if around #endif. + +Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz> + Vojtech Pavlik + + * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z' + constraints. + +Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_cmodel_string, ix86_cmodel): Define. + (override_options): Parse cmodel string. + (x86_64_sign_extended_value, x86_64_zero_extended_value): New. + * i386.h (TARGET_OPTIONS): Add "cmodel". + (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'. + (enum cmodel): New. + (ix86_cmodel_string, ix86_cmodel): Declare. + +Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz> + + Spot by Matt Kraai: + * i386.h (GENERAL_REG_P): Add missing REG_P. + +2001-03-14 Laurynas Biveinis <lauras@softhome.net> + + * configure.in: Use $gcc_cv_as instead of $as. + * configure: Regenerated. + +2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c (stack_include_file): Only increase the include + count if we actually process the file properly, as opposed + to treating it as length zero. Only call read_include_file + if not DO_NOT_REREAD. Handle the -H include file output + here. + (read_include_file): Remove now redundant DO_NOT_REREAD check. + (cpp_included, find_include_file): Simplify pathnames after + remapping them. If remapping, don't use the remapped file + name's buffer as our scratch buffer. + (cpp_pop_file_buffer): Replace the multiple include macro + only if it isn't yet set. + (read_name_map): Simplify remapped names when reading in. + (remap_filename): Move code to code path that uses it. + (_cpp_simplify_pathname): Return the input pointer. + * cpphash.h (_cpp_simplify_pathname): Update prototype. + +2001-03-14 Mark Mitchell <mark@codesourcery.com> + + * expr.c (expand_expr): Revove bogus conditional. + +Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz> + + * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef. + +2001-03-14 Jakub Jelinek <jakub@redhat.com> + + * reg-stack.c (stack_result): Unconditionally use + FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE. + +Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz> + + * expr.c (emit_move_insn_1): Split push of complex value when + no suitable push instruction exist. + + * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P + instead of QI_REG_P. + +Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * alias.c (handled_component_p, can_address_p): New functions. + (get_alias_set): Use them. + +2001-03-13 Jim Wilson <wilson@redhat.com> + + * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed + from 80 in try_locals code. + (ia64_expand_prologue): Add comment pointing to find_gr_spill change. + +2001-03-13 Zack Weinberg <zackw@stanford.edu> + + * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT, + gcc_AC_C_LONG_LONG): New. + * configure.in: Use them. Probe the size of short, int, long, + and long long/__int64 if we have them. Move all the AC_C_* + checks together, except gcc_AC_C_CHAR_BIT which has to go + after AC_CHECK_HEADERS(limits.h). + Take hwint.h out of host_xm_file and build_xm_file. + + * hwint.h: Unconditionally define HOST_BITS_PER_CHAR, + HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG, + and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT. + Move the HOST_WIDEST_INT setup logic here from system.h. + Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not + defined. + * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT + is now handled by hwint.h. + + * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h, + config/c4x/xm-c4x.h, config/i370/xm-oe.h, + config/ia64/xm-ia64.h: Don't define any of: + HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT, + HOST_BITS_PER_LONGLONG. + + * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h, + config/h8300/xm-h8300.h, config/mips/iris6.h, + config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h, + config/sparc/xm-sp64.h: Delete. + * config.gcc: Remove references to deleted files. + + * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define + HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT. + * config/i370/xm-linux.h: Clarify floating-point situation in + a comment. + +2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c (NO_INCLUDE_PATH): New macro. + (find_include_file): Decide here which part of the include + chain to start the search. Complain about an empty include + chain in all cases apart from an abolsute file name. + (_cpp_execute_include): Don't choose the search chain here. + Don't call handle_missing_include in the case of an empty + include chain. + (_cpp_compare_file_date): Don't choose the search chain here. + * cpplib.c (do_include_next): Move the in-main-file diagnostic + here from _cpp_execute_include. Behave like #include if + we're in the main file. + +2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * system.h (malloc, realloc, calloc, strdup): Only poison these + tokens when IN_GCC is defined. + +Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (abs?f expander): Support SSE case. + (abd?f_if): Add new "USE"; add splitters. + +2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cpp.texi (poison): Explain the macro expansion exception. + +2001-03-13 Jakub Jelinek <jakub@redhat.com> + + * expr.c (store_expr): Add dont_store_target. If temp is already in + target before copying to reg, don't store it into target again. + +2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinternals.texi: Update for file handling. + +2001-03-12 Jeffrey Oldham <oldham@codesourcery.com> + + * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's + 2001-02-24 which broke building the Java library. + * function.c (identify_blocks): Likewise. + (all_blocks): Likewise. + * integrate.c (integrate_decl_tree): Likewise. + * print-tree.c (print_node): Likewise. + * tree.h (BLOCK_NUMBER): Likewise. + (struct tree_block): Likewise. + +2001-03-12 David Edelsohn <edelsohn@gnu.org> + + * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in + __WCHAR_TYPE__ definition. + (WCHAR_TYPE_SIZE): #undef before #define. + +2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c: Update comments. + (destroy_include_file_node): Rename destroy_node. + (find_or_create_entry): New function. + (open_file, _cpp_fake_include): Use it. + (handle_missing_header): New function, broken out of + _cpp_execute include. Don't segfault if there is no + system or quoted path. + (_cpp_execute_include): Use handle_missing_header. + +2001-03-12 Jeffrey Oldham <oldham@codesourcery.com> + + * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's + 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5. + +Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * flow.c (insn_dead_p): Don't consider two memrefs equivalent + unless anti_dependence says they are. + * alias.c (objects_must_conflict): If neither has a type specified, + they must conflict. + +2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk> + David Billinghurst <David.Billinghurst@riotinto.com> + + * config/mips/iris5.h: Change WCHAR_TYPE to int. + +Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (trunctfdf2_2): Rename missnamed pattern. + (*_one_bit): Remove type on the match_operand in attributes. + +Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.c: Commit forgotten hunk in previous patch. + (regclass_map): Add extended registers. + (dbx_register_map): Add missing frame register. + +Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (all XFmode patterns except swapxf): Disable for 64bit. + + * i386.md (x86_sahf_1): Disable for 64bit. + (popsi*, pophi*): Likewise. + (pushqi, pushhi): Likewise. + (movdi, pushdi): Likewise. + (zero extend DImode splitter): Likewise. + (adddi, minusdi splitter): Likewise. + (umulsidi): Likewise. + (umulsi): New. + (mulsidi): Disable for 64bit + (lshift:DI/ashift:DI): Disable for 64bit. + (loop patterns): Likewise. + (call_pop, call_value_pop expanders and patterns): Likewise. + (prologue_get_pc): Likewise. + (leave): Likewise. + (fcmovDI pattern and splitter): Likewise. + (movdfcc_1_rex64): New. + +Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64. + (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64. + (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64. + (STATIC_CHAIN_REGNUM): Set to r10 for x86_64. + (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64. + (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64. + (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes. + (PUSH_ROUNDING): x86_64 rounds to 64bits. + (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE. + (REGPARM_MAX): Set to 6 for x86_64. + (SSE_REGPARM_MAX): Set to 16 for x86_64. + * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose + registers. + + * (patterns that does use upper halves): Update constraints + 'q' to 'Q' and 'r' to 'R'. + (cmpqi_ext_1): Disable for 64bit. + (cmpqi_ext_3_insn): Likewise. + (movqi_extzv_1): Likewsie. + (addqi_ext_1): Liekwsie + (testqi_ext_1): Liekwsie + (andqi_ext_1): Liekwsie + (xorqi_ext_1): Liekwsie + (cmpqi_ext_1_rex64): New. + (cmpqi_ext_3_insn_rex64): Likewise. + (movqi_extzv_1_rex64): Likewsie. + (addqi_ext_1_rex64): Liekwsie + (testqi_ext_1_rex64): Liekwsie + (andqi_ext_1_rex64): Liekwsie + (xorqi_ext_1_rex64): Liekwsie + +2001-03-11 Zack Weinberg <zackw@stanford.edu> + + * configure.in: Move check for unsigned enumerated bitfields + to macro in aclocal.m4. Disable it for now. + * configure, config.in: Regenerate. + * system.h: Don't do anything with ONLY_INT_FIELDS. Use the + unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC. + * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum + kind above its first use. + + * config/xm-interix.h, config/alpha/xm-alpha.h, + config/i370/xm-linux.h, config/i386/xm-beos.h, + config/i386/xm-mingw32.h, config/mips/xm-mips.h, + config/pa/xm-pa.h, config/pa/xm-pa64hpux.h, + config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h, + Don't define ONLY_INT_FIELDS under any circumstances. + + * config/pa/xm-pa.h: Don't define __BSD_NET2__. + + * config/pa/xm-pahpux.h, config/pa/xm-papro.h, + config/sparc/xm-sysv4.h: Delete - now identical with some + other xm header. + * config.gcc (hppa targets): Replace xm-pahpux.h and + xm-papro.h with implicit xm-pa.h. + (sparc targets): Replace xm-sysv4.h with implicit or explicit + xm-sparc.h. + +2001-03-12 Aldy Hernandez <aldyh@redhat.com> + + * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set + before reload_cse_noop_set_p. + +2001-03-11 Zack Weinberg <zackw@stanford.edu> + + * config.gcc: Where xm-host.h used to include another + xm-host.h, list the nested header directly in xm_file. Remove + references to deleted files. Can now use sparc/xm-sp64.h for + sparcv9-*-solaris*. + + * config/xm-linux.h, config/arm/xm-linux.h, + config/i386/xm-dos.h, config/i386/xm-gnu.h, + config/i386/xm-linux.h, config/i386/xm-openbsd.h, + config/i860/xm-fx2800.h, config/m68k/xm-atari.h, + config/m68k/xm-linux.h, config/m68k/xm-sun3.h, + config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h: + Delete. + + * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h. + * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't + bother to wrap #undef in #ifdef. + * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h: + Don't include xm-linux.h. + * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h. + + * configure.in: Wrap regexps using [] in changequote block. + Use expr : not echo | grep. Simplify regexps. + * configure: Regenerate. + + 56 xm-files remain, 22 xm-arch. + +2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF. + (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead. + (local_index, local_rindex): Delete, use strchr/strrchr instead. + (copy_object): Fix format specifier vs argument mismatch. + + * mips-tdump.c: Make local functions static. + (rindex): Don't #undef. + (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead. + (fatal, fancy_abort): Delete. + (read_seek): Avoid signed/unsigned compare. + +Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * combine.c (try_combine): Fix error in change to try original + register. + (gen_rtx_combine): Do same as gen_rtx for now. + +2001-03-11 Zack Weinberg <zackw@stanford.edu> + + * configure.in: AC_SUBST xm_defines. + * configure: Regenerate. + * Makefile.in: Set DEFINES=$(xm_defines) when building + tconfig.h. + +2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete. + (cpp_included, find_include_file): Update. + (_cpp_compare_file_date): Make else unconditional. + +2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp> + + * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined. + +2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com> + + * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics. + * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w. + +Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com> + + * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node + if it's a record type. + +Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com> + + * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize + mingw includes slightly. + +2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): + #undef token before poisoning it. + +2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * alpha.c (check_float_value): Use memcpy, not bcopy. + + * m32r.c (m32r_sched_reorder): Likewise. + + * vax.c (check_float_value): Likewise. + +2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk> + + * toplev.c (file_name_nondirectory): Remove. + * toplev.h: Similarly. + * dwarf2out.c (compute_section_prefix): Use lbasename instead + of file_name_nondirectory. + +Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * mips-tdump.c (read_seek): Call xmalloc, not malloc. + * mips-tfile.c: Don't #undef rindex; not used. + +Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits. + (dbx64_register_map): Declare. + (RETURN_ADDR_RTX): Fix for 64bit. + (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit. + (INCOMING_FRAME_SP_OFFSET): Set to 8. + * i386.c (dbx64_register_map): New global array. + * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h, + linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map + for 64bits. + +2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c (search_from): Use lbasename. + * mkdeps.c (deps_add_default_target): Use lbasename. + +2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc & + xcalloc in lieu of malloc, realloc & calloc. + + * gencheck.c (xmalloc): Use really_call_malloc, not malloc. + + * gengenrtl.c (xmalloc): Likewise. + + * gensupport.c (xcalloc, xrealloc, xmalloc): Use the + really_call_* memory allocation routines. + + * stmt.c (check_for_full_enumeration_handling): Use + really_call_calloc, not calloc. + + * system.h (really_call_malloc, really_call_calloc, + really_call_realloc): Define. + (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison. + +Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com) + + * pa.md (builtin_longjmp): Rework slightly to work for PA64 too. + +2001-03-09 Nicola Pero <n.pero@mi.flashnet.it> + + * configure: Rebuilt. + * configure.in: Only use `lang_requires' for languages athat are + actually enabled. + +2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk> + + * invoke.texi: Fix typo. + * gcc.1: Regenerate. + +2001-03-09 Zack Weinberg <zackw@stanford.edu> + + * configure.in: Prune nonexistent files from build_xm_file, + xm_file, and host_xm_file lists. Warn unless they're + $cpu/xm-$cpu.h. + Don't generate *config.h here. + AC_SUBST all variables needed to generate *config.h. + * configure: Regenerate. + * mkconfig.sh: New helper script, from code removed from + configure.in. + * Makefile.in: Zap all MALLOC variables - no longer used + anywhere, and malloc.c doesn't exist. + Substitute in variables needed to generate *config.h. + Stop lying about the dependencies contained in CONFIG_H and + GCONFIG_H. + (HCONFIG_H, TCONFIG_H, TM_P_H): New variables. + (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h, + cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules. + (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H), + $(TM_P_H), etc. as appropriate. + + * config.gcc: Zap references to deleted files. + * ggc-none.c: Don't include rtl.h or tm_p.h. + + * config/i386/xm-beos.h, config/i386/xm-dgux.h, + config/i386/xm-djgpp.h, config/i386/xm-dos.h, + config/i386/xm-gnu.h, config/i386/xm-i386-interix.h, + config/i386/xm-linux.h, config/i386/xm-linux.h, + config/i386/xm-next.h, config/i386/xm-openbsd.h, + config/i386/xm-sun.h, config/i386/xm-sysv3.h: + Don't include i386/xm-i386.h. + + * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h, + config/i386/xm-i386.h, config/i860/xm-i860.h, + config/i960/xm-i960.h, config/mcore/xm-mcore.h, + config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h, + config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h: + Delete (empty except comments, #includes of other deleted + files, and macros used nowhere). + +Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp + independent on TARGET_FLAGS. + +Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.h (FIRST_PSEUDO_REGISTER): Set to 53. + + (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add + extended ones. + (CONDITIONAL_REGISTER_USAGE): Set proper values according to + TARGET_64BIT. + (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG, + LAST_REX_SSE_REG): define. + (enum reg_class): Add 'LEGACY_REGS' + (REG_CLASS_CONTENTS): Likewise; add extended registers. + (SSE_REGNO_P): Recognize extended registers. + (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New. + (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'. + (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, + REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers. + (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P, + REG_OK_FOR_STRREG_P): Remove. + (HI_REGISTER_NAMES): Add extended registers. + (ADDITIONAL_REGISTER_NAMES): Likewise. + (QI_REGISTER_NAMES): Add 8bit extended registers. + (DEBUG_REG): Support extended registers. + * i386.c (regclass_map): Add extended registers. + (dbx_register-map): Likewise. + (svr4_dbx_register_map): Likewise. + (print_reg): Support extended registers. + (print_operand): Support 64bit operands. + +Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64 + (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE, + FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE, + DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants. + (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY, + STACK_BOUNDARY): Set properly for 64bits. + (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants. + (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD. + (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits. + (MOVE_MAX): Set to 16. + (MOVE_MAX_PIECES): 8 for 64bit. + (Pmode): Set to SImode. + +Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com> + + * cselib.c (hash_rtx): Ensure that hash isn't zero upon return. + +Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.h (mask_64bit): New constant. + (target_64bit): New macro. + (target_options): Add '64'/'32' + (target_default): Define. + * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h + isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h + unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT. + +Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com) + + * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable. + +Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com) + + * rtlanal.c (rtx_varies_p): Check operand 0 of a + LO_SUM unless for_alias is set. + +2001-03-08 Stan Shebs <shebs@apple.com> + + * objc/objc-act.c: Fix old typos in comments, add comments for + various functions. + (hash_init): Fix file name in error message. + (hash_enter): Ditto. + (hash_add_attr): Ditto. + (continue_class): Ditto. + +2001-03-08 Bruce Korb <bkorb@gnu.org> + + gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that + wait4() can receive the signal. + +Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML + entities. + * fixinc/fixincl.x: Regenerate. + +Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage + on Tru64 UNIX. + * fixinc/fixincl.x: Regenerate. + +2001-03-08 Richard Henderson <rth@redhat.com> + + * configure.in (HAVE_AS_LEB128): New assembler check. + * configure, config.in: Rebuilt. + +Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz> + + * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for + TFmode too. + +2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete + references to the MAXPATHLEN macro. + + * config/alpha/xm-alpha.h, config/arm/xm-arm.h, + config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to + the POSIX macro. + + * config/i386/xm-gnu.h, config/xm-gnu.h, + config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h, + config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h, + config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty + and/or unused files. + + * config.gcc: Define POSIX in xm_defines as appropriate in lieu of + doing so in various xm-*.h files. + +Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs. + +2001-03-08 Alexandre Oliva <aoliva@redhat.com> + + * configure.in (enable_shared): Support per-package shared-library + enabling. + * configure: Rebuilt. + +2001-03-07 David Edelsohn <edelsohn@gnu.org> + + * rs6000.md (cr logic): Add original POWER mnemonic alternative + for crnot. Set operands[5] in splitter. + +2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * config/i370/xm-mvs.h, config/i370/xm-oe.h, + config/i386/xm-beos.h, config/i386/xm-mingw32.h, + config/m88k/xm-m88k.h, config/mips/xm-iris6.h, + config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h, + config/pa/xm-pahpux.h, config/rs6000/xm-beos.h, + config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h, + config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references + to the USG macro. + + * config/vax/xm-vaxv.h, config/a29k/xm-unix.h, + config/i370/xm-i370.h, config/i386/xm-dgux.h, + config/i386/xm-sun.h, config/i386/xm-sysv3.h, + config/m68k/xm-tower.h, config/m68k/xm-aux.h, + config/m68k/xm-hp320.h, config/m68k/xm-amix.h, + config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h, + config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h, + config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h, + config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h, + config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h: + Delete unused and/or empty files. + + * config.gcc: Define USG in xm_defines as appropriate. Define + POSIX in lieu of xm-svr4.h. Delete all references to the SVR3 + macro. Remove deleted xm-* files from $xm_files variable. + +2001-03-07 Tom Tromey <tromey@redhat.com> + + * configure: Rebuilt. + * configure.in: Allow config-lang.in to set `lang_requires' to list + of other required languages. + +2001-03-07 Andrew MacLeod <amacleod@redhat.com> + + * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn + after its emitted. + (output_prologue): Use xmalloc not oballoc. + (output_epilog): Free a29k_first_epilogue_insn when finished. + * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand. + +2001-03-07 Brad Lucier <lucier@math.purdue.edu> + + * builtins.c (expand_builtin_mathfn): Check + flag_unsafe_math_optimizations, not flag_fast_math. + (expand_builtin): Likewise + * combine.c (combine_simplify_rtx): Likewise. + (simplify_if_then_else): Likewise. + * cse.c (fold_rtx): Likewise. + * flags.h: Remove flag_fast_math. Add + flag_unsafe_math_optimizations and flag_trapping_math. + * fold-const.c (negate_expr): Check + flag_unsafe_math_optimizations, not flag_fast_math. + (invert_truthvalue): Likewise. + (fold): Likewise. Before associating operands, check that + code == MULT_EXPR, not code != MULT_EXPR. + * ifcvt.c (noce_try_minmax): Check + flag_unsafe_math_optimizations, not flag_fast_math. + (noce_operand_ok): Check flag_trapping_math, not flag_fast_math. + * invoke.texi: Document -funsafe-math-optimizations and + -fno-trapping-math. Change documentation for -ffast-math. + * jump.c (reversed_comparison_code_parts): Likewise. + (rtx_equal_for_thread_p): Likewise. + * optabs.c (emit_conditional_move): Likewise. + * simplify-rtx.c (simplify_binary_operation): Likewise. + (simplify_relational_operation): Likewise. + (simplify_ternary_operation): Likewise. + * toplev.c: Remove flag_fast_math. Add flag_trapping_math and + flag_unsafe_math_optimizations. Remove fast-math entry from f_options. + Add trapping-math and unsafe-math-optimizations entries to f_options. + (set_fast_math_flags): New, sets flags for -ffast-math. + (set_no_fast_math_flags): New, sets flags for -fno-fast-math. + (decode_f_option): Add code to handle -ffast-math and -fno-fast-math. + * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags. + + * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise. + (alpha_emit_conditional_move): Initialize local_fast_math to + flag_unsafe_math_optimizations, not flat_fast_math. + * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags + instead of setting flag_fast_math to 1. + * config/convex/convex.md: Check flag_unsafe_math_optimizations, + not flag_fast_math. + * config/i386/i386.c (override_options): Likewise + * config/i386/i386.md: Likewise. + * config/m68k/m68k.md: Likewise. + * config/mips/mips.md: Likewise. + * config/rs6000/rs6000.c (validate_condition_mode): Likewise. + (rs6000_generate_compare): Likewise. + +2001-03-07 Laurynas Biveinis <lauras@softhome.net> + + * Makefile.in: Set RANLIB to @RANLIB@. + Remove RANLIB_TEST. + +2001-03-07 Laurynas Biveinis <lauras@softhome.net> + + * fixinc/inclhack.def (djgpp_wchar_h): New test. + * fixinc/fixincl.x: Regenerated. + +2001-03-07 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.md (call_osf_1_noreturn): New pattern. + +2001-03-07 Richard Henderson <rth@redhat.com> + + * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting + of block notes and exception handling notes. + + * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized. + * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ... + (compile_file): ... here. + +2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H. + + * fixinc/gnu-regex.c: Don't include auto-host.h since we get + config.h now. Include libiberty.h to handle alloca. + +2001-03-06 Zack Weinberg <zackw@stanford.edu> + + * c-parse.in (yylexname): New function, split out of _yylex. + (objc_rid_sans_at): New table. + (init_reswords): Initialize it. + (_yylex): Give labels clearer names. Handle CPP_ATSIGN by + retrieving the next token and checking it for significance as + an ObjC keyword or string constant. + + * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'. + * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING. + + * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references + to CPP_OSTRING. + +2001-03-06 Stephen L Moshier <moshier@mediaone.net> + + * config/m68k/m68k.c (const_uint32_operand): Accept any + const_int on a 32-bit host. + +2001-03-06 Nicola Pero <n.pero@mi.flashnet.it> + + * objc/objc-act.c (init_objc): Set save_lang_status, + restore_lang_status, and mark_lang_status. + +2001-03-06 Krister Walfridsson <cato@df.lth.se> + + * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call. + +2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinternals.texi: Update. + +2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * config/a29k/xm-a29k.h, config/a29k/xm-unix.h, + config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h, + config/c4x/xm-c4x.h, config/clipper/xm-clix.h, + config/convex/xm-convex.h, config/d30v/xm-d30v.h, + config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h, + config/h8300/xm-h8300.h, config/i370/xm-i370.h, + config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h, + config/i386/xm-i386.h, config/i860/xm-i860.h, + config/i960/xm-i960.h, config/ia64/xm-ia64.h, + config/m32r/xm-m32r.h, config/m68k/xm-m68k.h, + config/m88k/xm-m88k.h, config/mcore/xm-mcore.h, + config/mips/xm-mips.h, config/mn10200/xm-mn10200.h, + config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h, + config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h, + config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h, + config/romp/xm-romp.h, config/rs6000/xm-beos.h, + config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h, + config/rs6000/xm-sysv4.h, config/sh/xm-sh.h, + config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h, + config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h, + config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which + match the defaults provided in hwint.h. + + * config/i386/xm-lynx.h, config/m68k/xm-lynx.h, + config/sparc/xm-lynx.h, config/xm-std32.h: Delete files. + + * config.gcc (xm_file): Don't set to files which are deleted. + + * hwint.h: Provide default values for HOST_BITS_PER_*. No longer + guard this file against these macros being undefined. + +2001-03-06 Zack Weinberg <zackw@stanford.edu> + + * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL + and DECL_DEFER_OUTPUT on the decl we create, before calling + rest_of_decl_compilation. + +2001-03-06 Zack Weinberg <zackw@stanford.edu> + + * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE + AC_FUNC_ALLOCA. + * configure, config.in: Regenerate. + * config.gcc: Remove references to deleted files. + + * genattr.c, genattrtab.c, genextract.c, genoutput.c, + genrecog.c, rtl.c: Do not use alloca anywhere. + + * Makefile.in, build-make, system.h, config/x-interix, + config/x-svr4, config/xm-interix.h, config/xm-openbsd.h, + config/alpha/xm-alpha.h, config/alpha/xm-vms.h, + config/arc/xm-arc.h, config/arm/xm-arm.h, + config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h, + config/h8300/xm-h8300.h, config/i370/x-oe, + config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos, + config/i386/x-ncr3000, config/i386/x-sco5, + config/i386/xm-dgux.h, config/i860/x-sysv4, + config/i960/xm-i960.h, config/m32r/xm-m32r.h, + config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320, + config/m68k/x-hp320g, config/m69k/x-mot3300, + config/m68k/x-mot3300-gas, config/m68k/xm-amix.h, + config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h, + config/m68k/xm-mot3300.h, config/m88k/x-dolph, + config/m88k/x-sysv4, config/m88k/x-tekXD88, + config/m88k/xm-m88k.h, config/mcore/xm-mcore.h, + config/mips/x-iris, config/mips/x-iris3, + config/mips/x-sni-svr4, config/mips/x-sysv, + config/mips/xm-iris6.h, config/mips/xm-mips.h, + config/mips/xm-nws3250v4.h, config/pa/x-hpux, + config/pa/x-pa-mpeix, config/pa/xm-pa.h, + config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h, + config/pa/xm-papro.h, config/romp/xm-romp.h, + config/rs6000/x-aix31, config/rs6000/x-aix41, + config/rs6000/x-beos, config/rs6000/x-lynx, + config/rs6000/x-mach, config/rs6000/x-rs6000, + config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h, + config/rs6000/xm-sysv4.h, config/sh/xm-sh.h, + config/sparc/x-sysv4, config/sparc/xm-linux.h, + config/sparc/xm-pbd.h, config/sparc/xm-sparc.h, + config/vax/xm-vms.h: Eradicate all references to alloca and + related stuff. + + * config/xm-alloca.h, config/clipper/x-clix, + config/i386/xm-sysv4.h, config/i860/x-fx2800, + config/i860/x-sysv3, config/m88k/x-sysv3, + config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete + (contained only alloca related hacks). + + * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define + USE_C_ALLOCA. + +2001-03-05 Brad Lucier <lucier@math.purdue.edu> + + * invoke.texi: Document __FAST_MATH__. + +2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * crtstuff.c: Restore include of auto-host.h. + +2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au> + + Put main() in a separate file, so that the language + front-end can use a different main(). + + * main.c: New. + * toplev.c: (main): Rename as toplev_main. + * toplev.h: Declare toplev_main. + * Makefile.in (OBJS): add toplev.o. + (BACKEND): remove toplev.o, add main.o. + +2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c (search_from): Special case the empty string. + +2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c (_cpp_execute_include): Don't make a null-terminated + copy of the filename. Don't use CPP_PREV_BUFFER. Don't call + strlen or strcpy; we already know the length. + (_cpp_compare_file_date): Similarly. + * cpphash.h (struct cpp_reader): Delete done_initialising. + (CPP_PREV_BUFFER): Delete. + * cppinit.c (cpp_start_read): Don't set done_initialising. + * cpplex.c (parse_string): Guarantee null-termination. + (_cpp_equiv_toklists): Remove. + * cpplib.c (glue_header_name): Null-terminate. + (do_line): Don't leak memory. + * cpplib.h (BT_WEAK): Delete. + * cppmain.c (cb_ident): Strings are now null-terminated. + +2001-03-04 Laurynas Biveinis <lauras@softhome.net> + + * gcc.c (convert_filename): Append executable suffix + if NO_AUTO_EXE_SUFFIX is not defined. + * gcc.texi: Document NO_AUTO_EXE_SUFFIX. + * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX. + +2001-03-03 David O'Brien <obrien@FreeBSD.org> + + from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org> + * c-parse.gperf, c-gperf.h: Delete. + (c-gperf.h was accidently re-added to the CVS repo in the rev + 1.16 commit by tromey) + +2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplex.c (_cpp_lex_token): Don't warn about directives in + macro arguments when looking for the '('. + * cppmacro.c (funlike_invocation_p): Set parsing_args to + 2 when really parsing arguments; 1 when looking for '('. + Always restore the lexer position. + +2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk> + + * longlong.h (umul_ppmm): Don't use a multiline string. + +2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef. + * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of + t_bool in declaration because pcc can't combine volatile with typedef + types. + +Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_expand_fp_compare): Delay creating of scratch register + until when it is really needed. + (ix86_expand_compare): Update call of ix86_expand_fp_compare. + * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator + * i386.md (float?i?f splitter): Don't force source operand to memory + for SSE. + (sse_movdfcc): Fix constraint. + (sse_movdfcc splitter): Handle properly the second alternative. + +2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplex.c (parse_string): Unconditionally pedwarn. + +2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpp.texi: Update. + * cppexp.c (parse_number): Update. + * cpplex.c (parse_string): Pedwarn if multiline string does not + result from a system header's macro. + * cpplib.h (sys_objmacro_p): Rename sys_macro_p. + * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true + for function-like macros too. + * c-lex.c (lex_number): Update. + +2001-03-03 Richard Henderson <rth@redhat.com> + + * dwarf2out.c (output_call_frame_info): Fix augmentation length. + +Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com> + + * combine.c (try_combine): If split with mode-changed scratch + register didn't work, try the original mode. + +Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com> + + * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK. + * config/c4x/c4x.h: Likewise. + * stor-layout.c (compute_record_mode): Likewise. + (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK. + +2001-03-02 Zack Weinberg <zackw@stanford.edu> + + * configure.in: Kill tm.h. Include the files in the $tm_file + list in all three of config.h, hconfig.h, tconfig.h, after the + relevant set of xm_files. Put TARGET_CPU_DEFAULT in all + three, include insn-codes.h in all three (#ifndef GENERATOR_FILE). + * configure: Regenerate. + * Makefile.in (clean): Don't delete tm.h. + + * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not + defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If + those are not defined, set SEC and FEC to 0 and 1. + * gcc.texi: Update to match. + + * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h. + * config/fp-bit.c, config/m68k/aux-crt2.asm, + config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c: + Include tconfig.h, not tm.h. + + * config/xm-lynx.h, config/xm-std32.h, + config/a29k/xm-a29k.h, config/a29k/xm-unix.h, + config/alpha/xm-alpha.h, config/arc/xm-arc.h, + config/avr/xm-avr.h, config/c4x/xm-c4x.h, + config/clipper/xm-clix.h, config/convex/xm-convex.h, + config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h, + config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h, + config/h8300/xm-h8300.h, config/i370/xm-linux.h, + config/i386/xm-i386.h, config/i860/xm-i860.h, + config/i960/xm-i960.h, config/ia64/xm-ia64.h, + config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h, + config/m88k/xm-m88k.h, config/mcore/xm-mcore.h, + config/mips/xm-mips.h, config/mn10200/xm-mn10200.h, + config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h, + config/pa/xm-linux.h, config/pa/xm-pa.h, + config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h, + config/pa/xm-papro.h, config/pdp11/xm-pdp11.h, + config/pj/xm-pj.h, config/romp/xm-romp.h, + config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h, + config/rs6000/xm-sysv4.h, config/sh/xm-sh.h, + config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h, + config/v850/xm-v850.h, config/vax/xm-vax.h, + config/we32k/xm-we32k.h: + Don't include tm.h. + Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE. + + * config/i370/xm-i370.h, config/i370/xm-mvs.h, + config/i370/xm-oe.h: Don't include tm.h. Don't define + SUCCESS_EXIT_CODE. + * config/vax/xm-vms.h: Don't include tm.h. + + * config/xm-lynx.h, config/avr/xm-avr.h, + config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h, + Delete; made empty by above changes. + * config/i386/xm-lynx.h, config/m68k/xm-lynx.h, + config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h: + Don't include config/xm-lynx.h or tm.h. + + * config/xm-gnu.h: Don't include fcntl.h. + * config/sparc/xm-lynx.h: Don't include sys/types.h and + sys/wait.h. + * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf. + +2001-03-02 Richard Henderson <rth@redhat.com> + + * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP, + UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP. + +2001-03-02 Richard Henderson <rth@redhat.com> + + * Makefile.in (OBJS): Add dwarf2asm.o. + * dwarf2asm.c, dwarf2asm.h: New files. + * dwarf2out.c (*): Use them. + (size_of_uleb128, size_of_sleb128): Remove. + (output_uleb128, output_sleb128): Remove. + (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove. + (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove. + (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove. + (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New. + (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove. + (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove. + (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove. + (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove. + (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove. + (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove. + (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove. + (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove. + (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove. + (dwarf2out_frame_debug): Remove unused variables. + (output_loc_operands): Don't abort on 8 byte constants if + host integers are wide enough. + (output_symbolic_ref): Remove. + (size_of_die): Don't assume 4 byte host integers. + (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin + and end labels. + (add_const_value_attribute) [CONST_INT]: Verify we're not doing + something stupid with HOST_WIDE_INT to long truncation. + [CONST_DOUBLE]: Likewise. + + * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove. + (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove. + * config/arm/unknown-elf.h: Likewise. + * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New. + (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New. + (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove. + (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove. + (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove. + (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove. + (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove. + (ASM_OUTPUT_DWARF_OFFSET): Remove. + * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove. + * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New. + (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove. + (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove. + +2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * cselib.c (hash_rtx): Cast enums to unsigned int. + +2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * print-rtl.c (print_rtx): Cast enums to int for comparison. + * c-decl.c (grokdeclarator): Cast enums to int for comparison and + shifts. + * c-format.c (C_STD_VER): Cast to int for comparisons. + (check_function_format): Cast various enums to int for &. + (maybe_read_dollar_number): Likewise. + (check_format_info): Likewise. + (check_format_info_main): Likewise. + * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison. + (safe_from_p): Likewise. + * varasm.c (const_hash): Cast enum to int for %. + * emit-rtl.c (init_emit_once): Use int loop variable to work around + pcc enum problems with < and ++ operators. + * regclass.c (init_reg_sets_1): Cast enums for comparison. + (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes. + (regclass_init): Change enum class to int to iterate over reg_classes. + * genrecog.c (merge_trees): Cast enums for comparison. + * rtl.h (GET_CODE): Cast to enum rtx_code. + (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code). + (GET_MODE): Cast to enum machine_mode. + (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode). + (GET_NOTE_INSN_NAME): Cast enum to int. + * tree.h (TREE_CODE): Cast to enum tree_code. + (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code). + * timevar.c (timevar_print): Change loop variable id from enum to + unsigned int. + * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int. + * config/i386/i386.md: Use PUT_MODE for mode assignment. + * toplev.c (compile_file): Cast enum DFI to int. + (decode_d_option): Likewise. + +Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com> + + * cppinit.c (append_include_chain): Mark "after" include file name list + as a system directory. + * cpp.texi: Document new behavior. + +Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz> + + * ifcvt.c (noce_operand_ok): Handle properly unarry operations. + +2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c (struct include_file): Update. + (stack_include_file): Use search_from. + (cpp_included, find_include_file): Update. + (cpp_execute_include): Update. ptr->name may not be + null terminated. Use the new search_from member variable + of cpp_buffer. + (_cpp_compare_file_date): Similarly. + (search_from): New function, similar to actual_directory. + (actual_directory): Delete. + (remap_filename): Update. loc->name may not be null terminated. + (struct file_name_list): Rename search_path. Update. + * cpphash.h (struct cpp_buffer): Delete actual_dir. New members + search_from and dir. + (struct cpp_reader): Remove actual_dirs. + * cppinit.c (struct cpp_pending): Update for renamed objects. + (append_include_chain, remove_dup_dir, remove_dup_dirs, + merge_include_chains, cpp_destroy, cpp_start_read): Similarly. + * cpplib.h (struct cpp_options): Similarly. + +2001-03-01 Zack Weinberg <zackw@stanford.edu> + + * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h, + config/a29k/xm-unix.h, config/alpha/xm-alpha.h, + config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h, + config/clipper/xm-clix.h, config/convex/xm-convex.h, + config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h, + config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h, + config/h8300/xm-h8300.h, config/i370/xm-i370.h, + config/i370/xm-linux.h, config/i370/xm-mvs.h, + config/i370/xm-oe.h, config/i386/xm-aix.h, + config/i386/xm-i386.h, config/i386/xm-osf.h, + config/i860/xm-i860.h, config/i960/xm-i960.h, + config/ia64/xm-ia64.h, config/m32r/xm-m32r.h, + config/m68k/xm-m68k.h, config/m88k/xm-m88k.h, + config/mcore/xm-mcore.h, config/mips/xm-mips.h, + config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h, + config/ns32k/xm-ns32k.h, config/pa/xm-linux.h, + config/pa/xm-pa.h, config/pa/xm-pa64hpux.h, + config/pa/xm-pahpux.h, config/pa/xm-papro.h, + config/pj/xm-pj.h, config/romp/xm-romp.h, + config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h, + config/rs6000/xm-sysv4.h, config/sh/xm-sh.h, + config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h, + config/v850/xm-v850.h, config/vax/xm-vax.h, + config/vax/xm-vms.h, config/we32k/xm-we32k.h: + Do not define TRUE or FALSE. + + * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made + empty by above change. + * config.gcc: Remove references to these files. + + * configure.in: Detect stdbool.h. + * configure, config.in: Regenerate. + * system.h: Include stddef.h here if available. + Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__. + Then set up a sensible boolean type at the very end. + + * combine.c, cse.c, expr.c, fold-const.c, gensupport.c, + config/mcore/mcore.c: Rename variables named 'true' and/or 'false'. + + * hash.h: Delete 'boolean' typedef and related #undefs. + + * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace + all uses of 'boolean' with 'bool'. + +2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * cpplib.c (_cpp_init_stacks): Cast enum for comparison. + * cppexp.c (lex): Cast enums for comparison. + * cppinit.c (parse_option): Cast enum for comparison. + * cpplex.c (cpp_spell_token): Cast enums to int for minus. + (cpp_output_token): Likewise. + (cpp_can_paste): Cast enums for comparsion and plus/minus. + (cpp_avoid_paste): Cast enums for minus and comparison. + +2001-03-01 Zack Weinberg <zackw@stanford.edu> + + * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec + field to all array elements. + +2001-03-01 Zack Weinberg <zackw@stanford.edu> + + * cpphash.h (struct cpp_reader): Add print_version field. + * cppinit.c (cpp_handle_option): For -v, -version, and --version, + just set print_version and other flags as appropriate. + (cpp_post_options): Print version here if print_version is set. + + * toplev.c (exit_after_options): New flag. + (independent_decode_option): Don't exit here; just set + exit_after_options. + (main): Exit after calling lang_hooks.post_options if + exit_after_options is true. + + * cppinit.c (append_include_chain): Drop never-used case QUOTE. + (merge_include_chains): Adjust comment to match code. + +2001-03-01 Zack Weinberg <zackw@stanford.edu> + + * stringpool.c (set_identifier): New function. + * tree.h: Prototype it. + + * c-parse.in: Kill D_YES. If compiled for objc, call + save_and_forget_protocol_qualifiers from init_reswords. + * objc/objc-act.c (remember_protocol_qualifiers, + forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD. + Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or + vice versa. + (save_and_forget_protocol_qualifiers): New function. + * c-lex.h: Prototype save_and_forget_protocol_qualifiers. + +2001-03-01 Diego Novillo <dnovillo@redhat.com> + + * c-semantics.c (prune_unused_decls): Return error_mark_node + instead of (tree) 1 to stop traversing the tree chain. + +2001-03-01 Bernd Schmidt <bernds@redhat.com> + + Fix a problem introduced by Kenner's Feb 18 change. + * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and + flag_cse_skip_blocks only temporarily, not for ever. + +Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com) + + * config/pa/som.h (ASM_IDENTIFY_GCC): Define. + (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise. + + * pa.c (emit_move_sequence): Verify operand0 is a hard register + before determining its register class. + +2001-03-01 Bernd Schmidt <bernds@redhat.com> + + * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming + from reg 4 if current_function_calls_setjmp. + (gen_nop_type): New function. + (ia64_emit_nops): New function. + (ia64_reorg): Call it. + (ia64_sched_reorder): Move code that rotates bundles up a bit. + + * reload1.c (eliminate_regs_in_insn): Restrict the special case + code not to try to optimize adds with anything but a REG destination. + + * sched-int.h (struct haifa_insn_data): Add new member priority_known. + (INSN_PRIORITY_KNOWN): New accessor macro. + * haifa-sched.c (priority): Use it instead of testing priority against + zero. + +2001-02-28 DJ Delorie <dj@redhat.com> + + * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes, + since that doesn't work the way gcc wants on a generic m68k. + +2001-02-28 Richard Henderson <rth@redhat.com> + + * caller-save.c (save_call_clobbered_regs): Fix typo in + comparison last change. + +Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (pentium4_cost): New. + (m_PENT4): New macro. + (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf + x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8 + x86_integer_DFmode_moves, x86_partial_reg_dependency, + x86_memory_mismatch_stall): Add Pentium4 + (x86_use_q_reg, x86_use_any_reg): Kill. + (override_options): Add pentium4. + (incdec_operand): Return 0 for pentium4. + (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON. + * i386.h (x86_use_q_reg, x86_use_any_reg): Kill. + (TARGET_PENTIUM4): Define. + (enum processor_type): Add PROCESSOR_PENTIUM4. + (CPP_CPU_DEFAULT_SPEC): Add pentium4 support. + * i386.md (attribute "cpu"): Add pentium4. + * invoke.texi (march): Add pentium4. + +Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (sse_mov?fcc*): New patterns and splitters. + * i386.c (ix86_expand_movcc): Work post-reload; recognize + the SSE based conditional moves. + +Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (attribute mode): Add "TI". + (movsf_1): Add pxor support; remove constant propagation splitter. + (movdf_integer): Likewise. + (movdf_nointeger): Likewise. + (movxf constant prop splitter): Handle all modes; update for SSE. + * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants. + * i386.c (standard_80387_constant_p): Rewrite. + (standard_sse_constant_p): New. + * i386-protos.h (standard_sse_constant_p): New. + +Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (sse_setccsf, sse_setccdf): New. + (sse_cmp* patterns): Use '%D' instead of outputtting condition + flag directly. + * i386.c (sse_comparison_operator): Accept the supported unordered + comparses; be ready for fast_math. + (print_operand): Support 'D'. + +Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz> + + * jump.c (reversed_comparison_code): Kill. + +Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz> + + * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally + for STACK_REGS + +Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions; + add missing '%' in constraints. + +Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz> + + * c-common.c (build_common_tree_nodes): Build intTI_type_nodes + for HOST_BITS_PER_WIDE_INT == 32 too. + +Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz> + + * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not + NREGS. + (insert_save, insert_restore): New parameter save_mode. + (init_caller_save): Update initialization of reg_save_code + and reg_restore_code. + (save_call_clobbered_regs): Compute save_modes and update calls to + reg_save_code and reg_restore_code. + (insert_restore): Unsignetize numbers; use save_modes to choose mode + of spill; update use of reg_restore_code. + (insert_save): Likewise. + * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update. + * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update. + * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise. + +Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz> + + * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants, + noce_try_store_flag_inc, noce_try_store_flag_mask, + noce_try_cmove_arith): + Use reversed_comparison_code instead of reverse_comparison and + can_reverse_comparison_p. + +Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz> + + * jump.c (reversed_comparison_code_parts): Allow reversal of + unordered compares in -ffast-math mode; reverse ordered compares + for FP even w/o -ffast-math. + +2001-02-27 Richard Henderson <rth@redhat.com> + + * print-rtl.c (print_rtx) [i]: Don't print field five on + NOTEs other than NOTE_INSN_DELETED_LABEL. + +2001-02-27 Zack Weinberg <zackw@stanford.edu> + + * mips/xm-iris4.h: Delete #if 0 block (there since before 1997). + * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno. + +2001-02-27 Diego Novillo <dnovillo@redhat.com> + + * c-common.c (walk_stmt_tree): Visit the chain of the current tree + even if walk_subtrees is 0. + * c-semantics.c (prune_unused_decls): Return a non-null value to + stop traversing the tree chain. + +2001-02-27 DJ Delorie <dj@redhat.com> + + * config/m68k/m68k.c (output_function_prologue): Save the new CFA + register, *then* define it as the new CFA. + +Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com) + + * pa.c (override_options): Promote -fpic to -fPIC. + (legitimize_pic_address): Simplify due to removal of + small PIC as a code generation option. + (secondary_reload_class): Similarly. + * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly. + (PRINT_OPERAND_ADDRESS): Similarly. + * pa.md (various patterns): Similarly. + (small pic lo_sum pattern): Remove. + +Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz> + Fergus Henderson + + * md.texi (min, max): Document + +Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (movsf, movdf): Use movaps for reg-reg moves if + TARGET_PARTIAL_REG_DEPENDENCY. + (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case. + +Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (mins*, maxs*): New patterns, expanders and splitters. + +2001-02-26 Jeffrey Oldham <oldham@codesourcery.com> + + * mips.c (mips_make_temp_file): Fix thinko in last change. + +2001-02-26 Jason Eckhardt <jle@redhat.com> + + * combine.c (known_cond): Do not reverse the condition when + SMAX/UMAX is being considered and the condition is for equality + or inequality. + + * testsuite/gcc.c-torture/execute/20010221-1.c: New test. + +2001-02-26 Philip Blundell <philb@gnu.org> + + * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and + "armv2-*-linux". + * config/arm/linux-elf.h: Remove historical relics related to + above configurations. + * config/arm/linux-oldld.h: Delete. + * config/arm/linux-elf26.h: Delete. + +2001-02-26 Jason Merrill <jason@redhat.com> + + * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope + definitions. + * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to + recognize a tentative definition. Lose obsolete code. + + * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT + variables unless necessary, either. + +2001-02-25 Richard Henderson <rth@redhat.com> + + * ifcvt.c (struct noce_if_info): Add test_bb. + (noce_get_alt_condition): New. + (noce_try_minmax, noce_try_abs): New. + (noce_operand_ok): New. + (noce_process_if_block): Use them. + * rtlanal.c (may_trap_p): NEG and ABS can never trap. + +Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com> + + * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api + include. + +2001-02-25 Zack Weinberg <zackw@stanford.edu> + + * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd. + * config/mips/mips.c (mips_make_temp_file): Set temp_filename + properly. + (mips_asm_file_end): Free temp_filename here. + +Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl. + * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo. + + * config/i386/i386.md (movstrsi): Handle FAIL case. + +2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinit.c (builtin_array): Update. + (init_builtins): Flag builtins to warn if redefined or + undefined. Define __GXX_WEAK as a normal macro. + * cpplib.c (do_undef): Warn if flagged NODE_WARN. + * cpplib.h (NODE_WARN): New flag. + * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__. + Handle __STDC__ as a builtin only on Solaris. + (warn_of_redefinition): Renamed from check_macro_definition. + Reverse sense of test. Always warn if NODE_WARN. + (_cpp_create_definition): Use warn_of_redefinition. Flag + any macro beginning with "__STDC_" to require a mandatory + warning if redefined or undefined. + +2001-02-24 Zack Weinberg <zackw@stanford.edu> + + * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h, + i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h, + i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h, + i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h, + m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h, + mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h: + Don't define any of: + USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H, + P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS, + NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex, + index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK, + STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN. + + * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h, + fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro + definitions. + + * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h: + Delete now-empty file. + + * alpha/vms.h: Define NEED_ATEXIT here... + * alpha/xm-vms.h: ...not here. + + * i386/cygwin.h: Don't define PARAMS. + * mips/mips.c: Don't prototype mktemp. Don't define + P_tmpdir. Use make_temp_file to create temporary files. + Don't be clever and delete temporary files early. + * config.gcc: Drop references to deleted files. Don't define + FULL_PROTOTYPES. + * gcc.texi: Don't mention USE_PROTOTYPES. + +Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/i386/i386.c (ix86_set_move_mem_attrs): New function. + (ix86_set_move_mem_attrs_1): Likewise. + * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration. + * config/i386/i386.md (movstrsi): Call it. + +2001-02-24 Zack Weinberg <zackw@stanford.edu> + + * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd, + x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv, + ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas, + rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete. + + (i750a-*-*): Error here if hosting on i750a. + (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely. + + * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h: + Remove (empty modulo comments). + + * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h, + alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h, + i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h, + i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs, + mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas, + rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete) + + * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h: + Remove reference to winnt.h in comment. + * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null. + +2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * loop.c (check_dbra_loop): A biv has uses besides counting if it is + used to set another biv. + +Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * tree.h (BLOCK_DEAD): New macro. + (struct tree_block): New flag, dead_flag. + * print-tree.c (print_node, case 'b'): Print missing fields. + * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD. + * function.c (identify_blocks): Enable test for misplaced notes. + (all_blocks): Skip BLOCK_DEAD blocks. + * integrate.c (integrate_decl_tree): Likewise. + + * errors.c (internal_error, trim_filename): New functions. + (fancy_abort): Call internal_error. + * errors.h (internal_error, trim_filename): New declarations. + +2001-02-24 Alexandre Oliva <aoliva@redhat.com> + + * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted + 2000-08-26's patch. + (EXTRA_CONSTRAINT): Formatting changes. + +2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * rtl.c (rtl_check_failed_code2): Fix typo in last change. + +2001-02-23 Per Bothner <per@bothner.com> + + * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static, + so they can be called from java/jvspec.c. + * gcc.h (record_temp_file, pfatal_with_name, error): Declare. + +Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_frame): New structure. + (ix86_compute_frame_size): Kill. + (ix86_compute_frame_layout): New. + (ix86_save_reg): New. + (ix86_can_use_return_insn_p): Use frame layout stuff. + (ix86_expand_prologue): Likewise. + (ix86_expand_epilogue): Likewise. + (ix86_initial_elimination_offset): Likewise. + (ix86_nsaved_regs): Use ix86_save_reg. + (ix86_emit_save_regs): Likewise. + +Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz> + + * flow.c (find_sub_basic_blocks): New function. + (split_block): Be ready for basic block introduced by CODE_LABEL. + (commit_one_edge_insertion): Call find_sub_basic_block. + + * flow.c (make_edges): Add edge from entry for blocks starting with + label having ALTERNATE_NAME + +Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz> + + * function.c (epilogue_done): Be ready for first basic block not + containing PROLOGUE_END note. + (reposition_prologue_and_epilogue_notes): Avoid placing + PROLOGUE_END note between BASIC_BLOCK. + +Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz> + + * loop.c (canonicalize_condition): Move to reversed_comparison_code. + +2001-02-21 DJ Delorie <dj@redhat.com> + + * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of + check for current_function_has_nonlocal_goto from 1999-11-12. + +Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * diagnostic.c (trim_filename): No longer static. + * toplev.h (trim_filename): Declare. + * rtl.c (rtl_check_failed_bounds): Call internal_error. + (rtl_check_failed_type1, rtl_check_failed_type2): Likewise. + (rtl_check_failed_code1, rtl_check_failed_code2): Likewise. + (rtvec_check_failed_bounds): Likewise. + * tree.c (tree_check_failed, tree_class_check_failed): Likewise. + + * convert.c (convert_to_integer): Don't do unsigned unless result or + both inputs are unsigned. + + * fold-const.c (fold_convert): Don't call size_int_type_wide if + input overflows. + + * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK. + + * varasm.c (output_constant): Recompute CODE after lang-specific fn. + +2001-02-23 Jeffrey Oldham <oldham@codesourcery.com> + + * Makefile.in (resource.o): Add params.h dependence. + * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter. + * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise. + * resource.c: Add dependence on params.h. + (current_live_regs): Fix explanatory comment. + (find_basic_block): Add new parameter to permit limiting search + for a BARRIER. + (mark_target_live_regs): Add new argument to find_basic_block call. + (incr_ticks_for_insn): Likewise. + +2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com> + + * diagnostic.c (output_to_stream): Rename to + output_buffer_to_stream. Loses the stream parameter. + (init_output_buffer): Set diagnosic_buffer's stream. + (flush_diagnostic_buffer): Adjust. + (default_print_error_function): Likewise. + (finish_diagnostic): Likewise. + (verbatim): Likewise. + + * diagnostic.h (struct output_buffer): Add `stream' field. + (output_buffer_attached_stream): New macro. + +2001-02-23 Jakub Jelinek <jakub@redhat.com> + + * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR, + check if either operand is divisible by C. + (multiple_of_p): Handle LSHIFT_EXPR with small constant shift. + If type is signed, consider negative numbers as well. + +2001-02-22 Richard Henderson <rth@redhat.com> + + * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to + reach .text instead of gp-relative relocs. + * config/ia64/crtend.asm (.init): Likewise. + +2001-02-22 Andreas Jaeger <aj@suse.de> + + * extend.texi (C++ Attributes): Fix typo. + +2001-02-21 David Mosberger <davidm@hpl.hp.com> + + * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage + functions, drop current_function_args_info.words test. + (ia64_compute_frame_size): Mark syscall_linkage functions as + using eight input registers. + +2001-02-21 Loren J. Rittle <ljrittle@acm.org> + Bruce Korb <bkorb@gnu.org> + + * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix + * fixinc/README: Document how to convert sed substitutions + to format style c_fix-es. + * fixinc/fixincl.x: regen + +2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com> + + * gcc.c: Add comment explaining how to add a command-line option. + Add title to specs language comment. + +2001-02-21 Jeffrey Oldham <oldham@codesourcery.com> + + * gcc.c (cc1_options): Add "-param". + (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise. + (option_map): Likewise. + * toplev.c (display_help): Add entry for "--param". + (independent_decode_option): Fix typographical error. + +Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com> + Bernd Schmidt <bernds@redhat.com> + Jan Hubicka <jh@suse.cz> + + * i386.c (function_arg_advance): Pass SSE arguments in registers. + (function_arg): Likewise. + +Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec. + +2001-02-21 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md (iorsi3): Do not output an extra newline + character. + (xorsi3): Likewise. + +Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz> + + * flow.c (init_propagate_block_info): Canon address and use single_set + for killing dead memory stores. + +2001-02-21 Jeffrey Oldham <oldham@codesourcery.com> + + * Makefile.in (reorg.o): Add params.h dependence. + * params.def: Fix typographical error in comment. + (MAX_DELAY_SLOT_INSN_SEARCH): New parameter. + * params.h: Modify introductory comment. + (MAX_DELAY_SLOT_INSN_SEARCH): New parameter. + * reorg.c: Add dependence on params.h. + (redundant_insn): Add parameterized throttle for search. + (fill_simple_delay_slots): Add a comment explaining a variable. + Move conditional out of loop, simplifying code. + (fill_eager_delay_slots): Fix typographical error in comment. + +2001-02-20 Aldy Hernandez <aldyh@redhat.com> + + * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation. + + * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro. + (REVERSE_CONDEXEC_PREDICATES_P): Define macro. + +2001-02-21 Jason Merrill <jason@redhat.com> + + * tree.h (DECL_UNINLINABLE): Move from C++ frontend. + (struct tree_decl): Add uninlinable bitfield. + * c-decl.c (duplicate_decls): Set it. + * integrate.c (function_cannot_inline_p): Check it. + + * dwarf2out.c (add_name_and_src_coords_attributes): Don't add + DW_AT_MIPS_linkage_name to abstract methods. + (dwarf2out_abstract_function): Emit class context before calling + set_decl_abstract_flags. Don't clear DECL_ABSTRACT. + (gen_subprogram_die): Remove obsolete code. + (gen_member_die): Don't include clones in the member list. + (gen_decl_die): Emit abstract info for clone origin. + * dwarfout.c (output_type): Don't include clones in the member list. + * dbxout.c (dbxout_type_methods): Ignore abstract methods. + * toplev.c (note_deferral_of_defined_inline_function): Don't clear + DECL_ABSTRACT on a function that already has it set. + + * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL. + (get_subprogram_die): Pass it in. + +2001-02-21 Richard Earnshaw <rearnsha@arm.com> + + * flow.c (mark_set_1): Make not_dead unsigned long. For + non-pseudos, use it as a bitmask of the hard regs that + don't die. + +2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c: Update comments. + (_cpp_read_file): Don't check for NULL filenames any more. + * cppinit.c (cpp_start_read): Don't do canonicalization of + in_fname and out_fname. Use the passed file name exclusively. + (_cpp_handle_options): Don't treat "-" as a command line option, + but as a normal filename. + (_cpp_post_options): Canonicalize in_fname and out_fname. + * cppmain.c (printer_init): Don't check out_fname for NULL. + * c-lex.c (orig_filename): Rename cpp_filename for clarity. + (init_c_lex): Update, and use "" to represent stdin to CPP. + (yyparse): Update. + +2001-02-20 Will Cohen <wcohen@redhat.com> + + * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function. + * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added. + (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for + fixunstfsi_libfunc. + +2001-02-20 Stan Shebs <shebs@apple.com> + + * config/rs6000/rs6000.c (output_cbranch): Output branches + on separate lines instead of using ';' to separate. + +2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinit.c (set_lang): Move builtin handling to... + (init_builtins): ...here. + (_cpp_create_reader): Move call to set_lang. + +2001-02-20 Mark Mitchell <mark@codesourcery.com> + + * stmt.c (expand_return): If an attempt is made to return the + error_mar_node, treat the return like a return without a value. + +2001-02-19 Zack Weinberg <zackw@stanford.edu> + + * sibcall.c (skip_copy_to_return_value): Call + identify_call_return_value here, and return orig_insn if it + returns zero. Hardret and softret arguments now unnecessary. + (call_ends_block_p): Don't call identify_call_return_value here. + + * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or + 's' slots in RTXen. + * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function. + * ggc.h (ggc_mark_if_gcable): Delete prototype. + +Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com) + + * pa.c (move_operand): Accept code to load the address of a + symbol out of the DLT as a valid move operand. + (print_operand, case 'A'): New to handle generating a DLT + reference for a LO_SUM expression. + * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references. + * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references. + +2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk> + + * README, cpp.texi, gcc.texi, version.c: Update version number to + 3.1. + * cpp.1, gcov.1, gcc.1: Regenerate. + +2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c (stack_include_file): Generate dependencies + here, and manage include_count here too. + (PRINT_THIS_DEP): Delete. + (_cpp_execute_include): Do not generate dependencies here, + apart from the case of a missing header. Do not manage + include_count. + (_cpp_read_file): Leave dependency generation to + stack_include_file. + +Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com) + + * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to + target_cpu_default. Remove dead assignment to + target_cpu_default. + +Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz> + + * regclass.c (contains_reg_of_mode): Make global. + (init_reg_sets): Remove contains_reg_of_mode; take into account + CLASS_MAX_NREGS when looking for the proper mode. + (dump_regclass): Dump only classes considered for the pseudo. + (regclass): Use contains_reg_of_mode. + +Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz> + + * gcc.c (do_spec_1): 'n' for printing notices. + * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated. + +Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz> + + * reg-stack.c (next_flags_user): Use current_block->end + (swap_rtx_condition): Look for next user if flags don't die; + give up on CALL_INSNs; use current_block->end. + +Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * sibcall.c (call_ends_block_p): New function. + (optimize_sibling_and_tail_recursive_call): Use it. + +2001-02-18 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md: Update copyright. + (andsi3): Do not output an extra newline character. + +Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * toplev.c (note_deferral_of_defined_inlined_function): Argument + FNDECL may be unused. + + * toplev.c (rest_of_compilation): Don't have CSE skip blocks or + follow jumps after first run. + If -fexpensive-optimizations rerun CSE after GCSE and iterate until + it doesn't change any jumps. + +Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com) + + * Makefile.in (rtlanal.o): Depend on hard-reg-set.h. + ($HOST_PREFIX_1)rtlanal.o: Remove rules for building + (mostlyclean): Corresponding changes. + * rtlanal.c (hard-reg-set.h): Include. + (rtx_unstable_p): Do not treat the argument pointer specially + if it is not a fixed register. + (rtx_varies_p, rtx_addr_can_trap_p): Similarly. + +Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare + against last real insn in basic block. + Rework to avoid gotos. + + * Makefile.in (gcse.o): Now includes ggc.h. + * gcse.c: Include ggc.h. + (want_to_gcse_p): Verify expression can be in SET as valid insn. + (try_replace_reg): Remove warning of uninitialize variable. + (process_insert_insn): Call invalid_insn_p to validate insn. + * recog.c (insn_invalid_p): Now global. + See if can make valid by adding CLOBBERs of SCRATCH only and do if so. + * recog.h (insn_invalid_p): New declaration. + + * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap. + + * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put + assignments from FP constants since 'Y' output code can't handle it. + (eligible_for_sibcall_delay): Likewise. + + * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort. + Call fancy_abort directly, passing args. + (print_rtl_and_abort): Now a macro, like fancy_abort. + + * final.c (output_operand_lossage): Use internal_error, not error. + +2001-02-18 Shane Nay <shane@agendacomputing.com> + + * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to + structure shift insns. + +2001-02-18 Mark Mitchell <mark@codesourcery.com> + + * invoke.texi (-fsquangle): Remove documentation. + (-fname-mangling-version): Likewise. + +2001-02-18 Lars Brinkhoff <lars@nocrew.org> + + * optabs.c (expand_abs): Remove reference to + HAVE_contitional_arithmetic. + * combine.c (simplify_set): Likewise. + +2001-02-18 Richard Henderson <rth@redhat.com> + + * ifcvt.c (dead_or_predicable): Don't move code if eh regions + would be disrupted. + +2001-02-18 Richard Henderson <rth@redhat.com> + + * config/ns32k/ns32k.h (ADJSP): Upcase arguments. + + * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name. + + * reload1.c (reload_cse_simplify_set): Fix typo. + +Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * diagnostic.c (_fatal_insn): Decrement errorcount. + + * invoke.texi (-I): Add note avoiding use for system header files. + + * rtl.h (add_clobbers): Remove duplicate declaration. + * recog.h (added_clobbers_hard_reg_p): New declaration. + * genemit.c (struct clobber_pat): New field has_hard_reg. + (gen_insn): Record if added clobbers clobber hard reg. + (gen_split): Avoid unused warning if number of operands is 0. + (output_added_clobbers_hard_reg_p): New function. + (main): Call it. + +2001-02-18 Alan Modra <alan@linuxcare.com.au> + + * pa.c (hppa_expand_prologue): Simplify code storing return + pointer. For large (>=8k) frames with a post_store, adjust stack + pointer by 8k-64 first rather than by 64. When testing with + VAL_14_BITS_P, always use the actual value rather than the value + negated. Add blockage to prevent scheduling of spills before + stack frame has been created. + (hppa_expand_epilogue): Simplify code loading return pointer. + Allow a slightly larger range for merge_sp_adjust_with_load case. + When testing with VAL_14_BITS_P, always use the actual value. + + * pa.c (pa_adjust_insn_length): Check that block move + pattern is a set before looking at operands. + +2001-02-17 Mark Mitchell <mark@codesourcery.com> + + * fold-const.c (fold_binary_op_with_conditional_arg): New + function, split out from ... + (fold): ... here. + * tree.def (COND_EXPR): Document the use of VOID_TYPE for + conditional arms that throw exceptions. + + * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not + looking at a BLOCK. + +2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test, + define HAVE_DECL_* to 1 to mask potential backup declarations. + * configure: Regenerated. + +2001-02-17 Mark Mitchell <mark@codesourcery.com> + + * invoke.texi (-Woverloaded-virtual): Clarify documentation. + +2001-02-17 Richard Henderson <rth@redhat.com> + + * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP + when replacing a memory load with a register. + +Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + Jan Hubicka <jh@suse.cz> + + * recog.c (validate_replace_src_1): New. + (validate_replace_src_data): Likewise. + (validate_replace_src): Use note_uses. + * rtl.h (note_uses): Declare. + * rtlanal.c (note_uses): New. + +Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz> + + * reg-stack.c (stack_def): Make field reg unsigned. + (remove_regno_note): Unsignetize parameter. + +2001-02-16 Jes Sorensen <jes@linuxcare.com> + + * ia64.c (errata_emit_nops): Add VOIDmode as second argument to + shladd_operand() call. + +2001-02-16 Bruce Korb <bkorb@gnu.org> + Rodney Brown <RodneyBrown@mynd.com> + + * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7. + * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching + machine restrictions + * fixinc/fixincl.x: regen + +Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV. + Don't CSE a nop. + (hash_scan_insn): Clean up calls to hash_scan_set. + (compute_kill_rd): REGNO now unsigned. + (try_replace_reg): Rework to use simplify_replace_rtx. + (cprop_jump, cprop_cc0_jump): Likewise. + (cprop_insn): Call find_reg_equal_equiv_note. + Reflect changes to cprop_jump and cprop_cc0_jump. + + * recog.c (validate_replace_src): Replace in operands of + ZERO_EXTRACT in SET_DEST. + + * cse.c (new_label_ref): New variable. + (insert): Set it instead of recorded_label_ref. + (cse_basic_block): Set recorded_label_ref if new_label_ref use, has + CODE_LABEL for this function, and not already in REG_LABEL note. + +2001-02-16 Jeffrey Oldham <oldham@codesourcery.com> + + * resource.c (mark_referenced_resources): Fix typo in introductory + comment. + * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in + string constant. + +2001-02-16 Jason Merrill <jason@redhat.com> + + * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is + NULL. + (gen_subprogram_die): Don't abort on seeing a second definition if + the previous one was abstract. Don't replace an abstract instance + in the lookup table. + + * dwarf2out.c (dwarf2out_abstract_function): Rename from + gen_abstract_function. + * dwarf2out.h: Declare it. + * toplev.c (note_outlining_of_inline_function): New fn. + * toplev.h: Declare it. + * integrate.c (output_inline_function): Call it. + * c-decl.c (duplicate_decls): Call it when redefining an extern + inline. Don't inline the new defn. + + * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK. + +2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * .gdbinit: Rename to gdbinit.in. + * gdbinit.in: New file, + * configure.in: Generate .gdbinit from gdbinit.in. + * configure: Regenerated. + * Makefile.in (distclean): Always remove .gdbinit. + +2001-02-16 Jakub Jelinek <jakub@redhat.com> + + * objc/objc-act.c (start_class): Register implemented_classes with + GC. + +2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c (_cpp_make_system_header): Generate a file + change callback. + +2001-02-15 Jim Meyering <meyering@lucent.com> + + * Makefile.in (install-common): Don't depend on installdirs here. + Instead, make each of the lang.install-common targets (e.g., + c++.install-common in cp/Make-lang.in) depend on it. + (install-driver): Depend on installdirs. + +Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * flow.c (tidy_fallthru_edge): Never end block on line number NOTE. + + * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we + do in memory. + +2001-02-15 Mark Mitchell <mark@codesourcery.com> + + * invoke.texi (--param): Document. + +Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define. + +Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (extendsfdf2_2): Fix constraints. + +Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (fop_df_3 splitter): Fix operand number. + +Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz> + + * invoke.texi (-mreg-alloc): Nuke. + * i386.c (ix86_reg_alloc_order, regs_allocated, + order_regs_for_local_alloc): Nuke. + (override_options): Kill reg_alloc code. + * i386.h (TARGET_OPTIONS): Kill reg-alloc. + (REG_ALLOC_ORDER): SSE goes before I387. + (ORDER_REGS_FOR_LOCAL_ALLOC): Kill. + (ix86_reg_alloc_order): Likewise. + * i386-protos.h (ix86_reg_alloc_order): Kill. + +2001-02-14 Richard Henderson <rth@redhat.com> + + * toplev.c (f_options): Clarify -fschedule-insns2 documentation. + +Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes + +Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386-protos.h (ix86_memory_move_cost): Move offline. + * i386.c (ix86_register_move_cost): Compute properly cost of + SSE, MMX and i387 instructions. + (*_cost): Add costs of SSE/MMX moves. + (ix86_memory_move_cost): Move offline from ....; Likewise. + * i386.h (MEMORY_MOVE_COST): .... here; + (struct processor costs): Add new fields to represent costs + of SSE/MMX moves. + +Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz> + + * regclass.c (init_reg_sets_1): Reinstall the optimization of + move_cost together with Matt Kraai's fix. + +2001-02-14 Jeffrey Oldham <oldham@codesourcery.com> + + * Makefile.in (OBJS): Add params.o. + +2001-02-14 Richard Henderson <rth@redhat.com> + DJ Delorie <dj@redhat.com> + + * jump.c (jump_optimize_1): When we delete a conditional jump + preceding a non-conditional jump to effectively the same place, + make sure that the combined jump skips any clobber insns between + the two labels. + +2001-02-14 Jeffrey Oldham <oldham@codesourcery.com> + + * gcc.c (do_spec_1): Fix off-by-one error for '%M' case. + +2001-02-14 Mark Mitchell <mark@codesourcery.com> + + * Makefile.in (toplev.o): Depend on params.h. + (intergate.o): Likewise. + (params.o): New target. + * flags.h (inline_max_insns): Remove. + * integrate.c: Include params.h. + Use MAX_INLINE_INSNS instead of inline_max_insns. + * params.c: New file. + * params.h: Likewise. + * params.def: Likewise. + * toplev.c: Include params.h. + (lang_independent_params): New variable. + (decode_f_option): Use the param machinery instead of setting + max_inline_insns. + (independent_decode_option): Handle "--param name=value". + (main): Register language-independent parameters. + +Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (pushsf, pushdf_nointeger): Fix constraint. + +2001-02-14 Richard Henderson <rth@redhat.com> + + * regclass.c (init_reg_sets_1): Revert last two changes. + +2001-02-14 Jakub Jelinek <jakub@redhat.com> + + * stor-layout.c (is_pending_size, put_pending_size): New functions. + (variable_size): Call put_pending_size. + * tree.h (is_pending_size, put_pending_size): Add prototypes. + * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending + sizes list, put newly created SAVE_EXPR there as well. + +2001-02-14 Jakub Jelinek <jakub@redhat.com> + + * config/ia64/ia64.c (last_group): Only 2 entries are needed. + (errata_find_address_regs): load_group has only 2 entries. + (errata_emit_nops): Likewise. shladd is not problematic. + Clear last_group if nop was emitted. + (fixup_errata): load_group has only 2 entries. + Optimize. + +2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lex.c (lex_number): Only warn traditionally for U suffix + outside system macros. + * cppexp.c (parse_number): Similarly. + * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New. + * cppmacro.c (struct cpp_macro): New member node. + (parse_args): Only warn about missing rest args if not + a system macro. + (funlike_invocation_p): Similarly for uninvoked funlike macros. + (cpp_sys_objmacro_p): New. + (_cpp_create_definition): Store the node with the macro defn. + Remember if the macro is defined in a system header. + +2001-02-13 DJ Delorie <dj@redhat.com> + + * configure.in (check_languages): determine languages to check + * Makefile.in (check-c++): alias for check-g++ + (check-f77): alias for check-g77 + (CHECK_TARGETS): depend on configured languages + +Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again. + (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2) + (sqrtsf2 patterns): Use 'x' instead of 'Y'. + (sqrtextendsfdf2): Disable for SSE2. + +Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again. + (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2) + (sqrtsf2 patterns): Use 'x' instead of 'Y'. + (sqrtextendsfdf2): Disable for SSE2. + +Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (movsfcc_1): Support integer cmove instruction. + (movdfcc_1): Likewise; new splitter. + +Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (output_fp_compare): Support SSE. + (prepare_fp_compare_args): SSE comparisons always support memory. + * i386.h (TARGET_CMOVE): SSE imply cmove. + * i386.md (cmp?f2): Enable for SSE too. + (cmpfp_i*): Support SSE. + (cmpfp_i_sse): New. + (cmpfp_i_sse_only): New. + (s*, b* fp expanters): Enable for SSE too. + (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only): + New patterns. + +Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz> + + * regclass.c (init_reg_sets_1): Silence warning. + +Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (sqrt?f2): Change to expander. + (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New. + +Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * rtlanal.c (find_reg_equal_equiv_note): New function. + * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns. + (simplify_gen_relational, simplify_replace_rtx): Likewise. + * rtl.h: Add declarations for above functions. + +Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz> + + * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to + conditionals. + * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM. + * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals. + * flow.c (mark_regs_live_at_end): Likewise. + (calculate_global_regs_live): Likewise. + * gcse.c (compute_hash_table): Likewise. + (compute_kill_rd): Likewise. + * resource.c (mark_target_live_regs): Likewise. + * rtl.h (INVALID_REGNUM): New macro. + +Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (fixsfsi2, fixdfdi2): Fix previous patch. + +Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (fixsfsi2, fixdfdi2): Force operand to register + for SSE. + +Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2) + too. + (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE. + (fop_sf_comm_sse, fop_df_comm_sse): New patterns. + (fop_sf_1_sse, fop_df_1_sse): New patterns + (fop_*): Disable float_extend and float patterns for SSE compilation. + * i386.c (output_387_binary_op): Support SSE. + +Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.md (dummy_extendsfdf2): Support SSE2 + (extendsfdf2): Enable if 80387 or SSE2. + (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble + and no MIX_I387_SSE2 + (extendsfdf2_1_sse_only): New pattern. + (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version + of SSE. + (truncdfsf2_1): Support SSE. + (truncdfsf2_2): Support SSE. + (truncdfsf2_2_1_sse): New pattern. + (fixtruncsfsi2): Always use SSE if available. + (fix_truncsfsi_sse): New pattern. + (fix_truncdfsi_sse): New pattern. + (floatsis?f2): Support SSE. + (floatsidf2_i387): New pattern. + (floatsidf2_sse): Likewise. + +Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * configure.in: Use "have_gnat" variable, not "gnat". + * configure: Regenerated. + + * config/sparc/sparc.c (function_value): Treat all non-record + aggregate types like used to treat UNION_TYPE. + +Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG + * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber + (MASK_SSE2): New. + (MASK_MIX_SSE_I387): New. + (TARGET_SSE): SSE2 imply SSE. + (TARGET_SSE2, TARGET_MIX_SSE_I387): New. + (TARGET_SWITCHES): Add "sse2", "mix-sse-i387". + (enum reg_class): Add new classes. + (REG_CLASS_NAMES): Likewise. + (REG_CLASS_CONTENTS): Likewise. + (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros. + (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is + supported. Add 'Y' to be SSE_REGS when SSE2 is supported. + (CLASS_MAX_NREGS): Use new macros. + (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED. + * i386.md (pushsf, movsf): Support SSE. + (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update + splitters to use ANY_FP_REGNO_P. + (movdf_nointeger, movdf_integer): Likewise. + +2001-02-13 Alexandre Oliva <aoliva@redhat.com> + + * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro. + (try_combine): Use it. + +Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P, + MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros. + (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline. + (REGISTER_MOVE_COST): Likewise. + * i386-protos.h (ix86_secondary_memory_needed, + ix86_preferred_reload_class, ix86_register_move_cost): Declare. + * i386.c (ix86_secondary_memory_needed, + ix86_preferred_reload_class, ix86_register_move_cost): New function. + +Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz> + + * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New. + (HARD_REGNO_MODE_OK): Move offline to .... + * i386.c (ix86_hard_regno_mode_ok) ... here; + refuse all incorrect modes. + * i386-protos.h (ix86_hard_regno_mode_ok): Declare. + +2001-02-13 Richard Henderson <rth@redhat.com> + + * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the + entire operator; replicate that and match_dup the operands. + (cmp_ccx_arith_op_set): Likewise. + (cmp_cc_arith_op_not_set): Likewise. + (cmp_ccx_arith_op_not_set): Likewise. + +2001-02-13 Alexandre Oliva <aoliva@redhat.com> + + * explow.c (trunc_int_for_mode): Sign-extend value to mode. + +2001-02-12 Geoffrey Keating <geoffk@redhat.com> + + * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro. + (TARGET_NO_BITFIELD_WORD): New macro. + (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options. + (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD. + +Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * cselib.c: New file, from simplify-rtx.c. + * simplify-rtx.c: Remove cselib parts. + * Makefile.in: Add cselib.o. + +2001-02-12 Geoffrey Keating <geoffk@redhat.com> + + * config/rs6000/rs6000.c (rs6000_float_const): Remove warning. + (setup_incoming_varargs): Remove warning. + + * config/rs6000/rs6000.c (validate_condition_mode): When + flag_fast_math, allow floating-point conditionals to be reversed. + (rs6000_generate_compare): When flag_fast_math, don't generate + cror operations for FP conditionals. + + * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle + -mcall-i960. + (ASM_SPEC): Likewise. + (CC1_ENDIAN_LITTLE_SPEC): Likewise. + (CC1_SPEC): Likewise. + (LINK_TARGET_SPEC): Likewise. + (CPP_ENDIAN_SPEC): Likewise. + * Makefile.in (check-consistency): New target. + +2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-decl.c (grokdeclarator): In C99 mode, give the more specific + "return type defaults" warning for functions with return type + defaulting to int. + * c-lang.c (c_init): In C99 mode, enable warnings for implicit + function declarations by default rather than only when pedantic. + +Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz> + + * regclass.c (init_reg_sets_1): Optimize calculation of move_cost + arrays. + +2001-02-12 Nathan Sidwell <nathan@codesourcery.com> + + * extend.texi (Deprecated): Deprecate new initializer lists. + +2001-02-12 Nathan Sidwell <nathan@codesourcery.com> + + * mkdeps.c (deps_add_default_target): Robustify. Add + basename component only. + * cpp.texi (-M): Describe how default target is generated. + * invoke.texi (-M): Likewise. + +2001-02-12 Kazu Hirata <kazu@hxi.com> + + * toplev.c (push_float_handler): Remove. + (pop_float_handler): Remove. + * toplev.h: Remove prototypes for the above functions. + +2001-02-12 Jakub Jelinek <jakub@redhat.com> + + * c-common.c (constant_fits_type_p): New function. + (convert_and_check): Use it. + +2001-02-11 Mark Mitchell <mark@codesourcery.com> + + * Makefile.in (GXX_ABI_FLAG): Don't define. + * configure.in (--enable-new-gxx-abi): Remove option. + * config.in: Regenerated. + * configure: Likewise. + +2001-02-12 Alexandre Oliva <aoliva@redhat.com> + + * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular + basic block. + (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a + regular basic block, and arrange for all edges into it to switch + to normal mode. + +2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * Makefile.in (distclean): Do not remove .gdbinit. + +2001-02-11 Mark Mitchell <mark@codesourcery.com> + + * Makefile.in (gcc.o): Fix typos. + (protize.o): Likewise. + (unprotoize.o): Likewise. + +2001-02-11 Richard Henderson <rth@redhat.com> + + * tree.c (build1): Check for null operand in last change. + +2001-02-11 Richard Henderson <rth@redhat.com> + + * fold-const.c (split_tree): Don't assume a constant isn't splittable. + (fold): Don't assume a constant isn't foldable. + * tree.c (build): Set TREE_CONSTANT for an expression with no + side-effects and constant operands. + (build1): Likewise. + +2001-02-10 Richard Henderson <rth@redhat.com> + + * jump.c (squeeze_notes): Revert 2000-05-12 change. + +2001-02-10 Anthony Green <green@redhat.com> + + * cpp.texi (Standard Predefined): Add documentation for + __OPTIMIZE_SIZE__. + + * c-common.c (combine_strings): Improve warning message. + +2001-02-10 Geoffrey Keating <geoffk@redhat.com> + + * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for + --oformat. + * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise. + +Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com> + + * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for + CYGWIN_CROSS_DIR. + +2001-02-09 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set + fp_mode attribute. + +2001-02-09 Nick Clifton <nickc@redhat.com> + + * config/arm/arm.md: Change output contraint on post inc + load/store multiple patterns to be a read/write contraint. + +2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk> + + * gcc.c (cpp_options): Delete .d files on error. Don't delete + .o files when using the -M options. + +2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to + handle DImode constants. Use one TOC entry for SImode and smaller + constants, aligned properly. + +2001-02-08 Jason Merrill <jason@redhat.com> + + * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend + about the SP adjustment for saving the static chain pointer. + * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified + offset when setting a temporary CFA register. + +2001-02-08 Chandrakala Chavva <cchavva@redhat.com> + + * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*, + powerpc-*-chorusos* . + * config/rs6000/chorus.h : New file. + * config/i386/chorus.h : New file. + * config/sparc/chorus.h : New file. + * config/sparc/t-chorus-elf : New file. + +2001-02-08 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ... + * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here. + * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it. + (__WCHAR_TYPE__): Correct macro name. + +2001-02-08 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (ix86_frame_pointer_required): New. + (ix86_setup_frame_addresses): New. + (struct machine_funciton): Add accesses_prev_frame. + * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call + ix86_frame_pointer_required. + (SUBTARGET_FRAME_POINTER_REQUIRED): New. + (SETUP_FRAME_ADDRESSES): New. + * config/i386/i386-protos.h: Update. + * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename + from FRAME_POINTER_REQUIRED. + * config/i386/svr3gas.h: Likewise. + * config/i386/sysv3.h: Likewise. + * config/i386/v3gas.h: Likewise. + +2001-02-08 Richard Henderson <rth@redhat.com> + + * config/sparc/sparc.c (function_arg_record_value_3): Fix + calculation of the number of integer registers required. + (function_arg_record_value): Likewise. + +2001-02-08 Jason Merrill <jason@redhat.com> + + * diagnostic.c (internal_error): Say "confused" after 1 error, not + two. Print file and line with "confused" message. + + * dwarf2out.c (dwarf2out_line): Include filename in -dA output. + +Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * rtlanal.c (remove_node_from_expr_list): Correctly update PREV. + +2001-02-08 Bernd Schmidt <bernds@redhat.com> + + * final.c (cleanup_subreg_operands): The address of a MEM can + contain SUBREGs. + + * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p + for asms, too. + +2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk> + + * gcc.texi (Incompatibilities): Update documentation of + preprocessing numbers. + +2001-02-07 Jakub Jelinek <jakub@redhat.com> + + * c-decl.c (finish_enum): Revert part of 2000-01-05 change. + +2001-02-07 Mark Mitchell <mark@codesourcery.com> + + * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it. + + * defaults.h (CPLUSPLUS_CPP_SPEC): New macro. + * gcc.c (struct compiler): Add cpp_spec field. + (input_file_compiler): New variable. + (do_spec_1): Allow a particular compiler to handle `%C' + specially. + (main): Store the current compiler in input_file_compiler. + * tm.texi (CPLUSPLUS_CPP_SPEC): Document. + +2001-02-07 Zack Weinberg <zack@wolery.stanford.edu> + + * cpphash.h (struct spec_nodes): Add n_true and n_false. + * cppinit.c (cpp_create_reader): Initialize them. + (append_include_chain): cxx_aware arg might be unused. + * cppexp.c (lex): In C++ mode, recognize 'true' and 'false' + keywords and give them their phase 7 meaning. Pedwarn about + this unless '__bool_true_false_are_defined' is defined. + +2001-02-07 Alexandre Oliva <aoliva@redhat.com> + + * lcm.c (optimize_mode_switching): Emit mode_set before the + JUMP_INSN of an abnormal edge. + +2001-02-07 Bernd Schmidt <bernds@redhat.com> + + * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as + a scheduling barrier at the end. + + * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document. + +2001-02-07 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.md (reload_outsf): Removed. + (movsf_ie): Introduce constraints for FPUL loads and stores. + (reload_insf): Broaden the output constraint. + + * config/elfos.h (INT_ASM_OP): Don't define it if it's already + defined. + * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR, + ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h. + +2001-02-06 Chandrakala Chavva <cchavva@redhat.com> + + * final.c: Revert my previous changes. + * output.h: Make profile_label_no extern. + * config/rs6000/rs6000.c (output_profile_hook): Use standard functions + for generating label. + +2001-02-06 Laurynas Biveinis <lauras@softhome.net> + + * config/i386/djgpp.h: Add comments about standard paths. + (MD_EXEC_PREFIX): Undefine before defining. + (MD_STARTFILE_PREFIX): New. + +2001-01-30 Bruce Korb <bkorb@gnu.org> + + fixinc/fixincl.c(process): Emit error message only if appropriate :) + (load_file): do not rely on load_file_data() to close file pointer + fixinc/fixlib.c(load_file_data): do not close passed in file pointer + fixinc/inclhack.def(irix_limits_const): add test_text + +2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppexp.c (parse_defined): Improve diagnostics for invalid + syntax. + +2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppmacro.c (cpp_get_token): Avoid pasting after a builtin. + +2001-02-06 Mark Mitchell <mark@codesourcery.com> + + * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define. + * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare. + * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro. + (rs6000_output_symbol_ref): New function. + (output_toc): Use VTABLE_NAME_P. + +Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * print-tree.c (print_node, case PARM_DECL): + Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN. + + * stor-layout.c (reference_types_internal): New variable. + (internal_reference_types): New function. + (layout_type, case REFERENCE_TYPE): Make Pmode if internal. + * tree.h (internal_reference_types): New declaration. + + * cse.c (find_best_addr): Fix typo in computing cost. + +Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned + and this is the sum of a pointer and a constant, we know the result + did not overflow. + (num_sign_bit_copies, case PLUS): Likewise. + * explow.c (convert_memory_address): Remove opposite SUBREG. + * function.c (instantiate_new_reg): New function (from common code). + (instantiate_virtual_regs_1): Call it. + For PLUS, handle if (plus (subreg (virt-reg) (const_int)) + if pointers sign- or zero-extend. + * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND): + If pointers extend unsigned, use inside of SUBREG. + (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend. + +2001-02-05 Benjamin Kosnik <bkoz@redhat.com> + + * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target + subdir of gcc_gxx_include_dir. + (gcc_gxx_target_include_dir): Remove. + +2001-02-05 Jeffrey Oldham <oldham@codesourcery.com> + + * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments. + (dwarf2out_frame_debug_expr): Revise introductory comments to add + a high-level description. + +2001-02-05 Chandrakala Chavva <cchavva@redhat.com> + + * final.c: Move the declaration of profile_label_no to ... + * output.h: ... here. + * function.c (expand_function_start): Call PROFILE_HOOK. + * config/rs6000/aix.h: Define PROFILE_HOOK. + * config/rs6000/rs6000-protos.h: output_profile_hook new. + * config/rs6000/rs6000.c (output_profile_hook): Define. + (output_prolog): Do nothing for ABI_AIX as it is taken care by + output_profile_hook. + tm.texi : Explain new macro PROFILE_HOOK. + +2001-02-06 Hans-Peter Nilsson <hp@axis.com> + + * extend.texi (Extended Asm): Do not say that semicolon is always + a valid line-breaking character for GNU assemblers. Use + newline-tab as the most commonly supported syntax. Use + newline-tab rather than semicolon in multi-insn examples. + +2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias). + +2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC + code for AIX, even without flag_pic. + +2001-02-05 Jakub Jelinek <jakub@redhat.com> + + * c-typeck.c (common_type): push and pop binding level around + calling common_type on function parameters. + +Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com> + + * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter. + +Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/mips/mips.c (override_options): Fix typo in last change. + (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name. + (mips_asm_file_end): Likewise; also pass more args to fatal_io_error. + +2001-02-05 Nathan Sidwell <nathan@codesourcery.com> + + * invoke.texi (-fdump-class-layout): Document. + (-fdump-translation-unit): Use `=' as filename separator. + +2001-02-05 Mark Mitchell <mark@codesourcery.com> + + * Makefile.in (s-mlib): Don't build multilibs if + --disable-multilib. + (DRIVER_DEFINES): Adjust accordingly. + (gcc.o): Likewise. + (protoize.o): Likewise. + (unprotoize.o): Likewise. + * configure.in: Recognize --enable-multilib. + +2001-02-04 Mark Mitchell <mark@codesourcery.com> + + * Makefile.in (DRIVER_DEFINES): Fix quoting. + + * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3. + * configure.in: Remove --enable-libstdcxx_v3 support. + * configure: Regenerated. + +Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): + Call abort instead of fatal. + (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal. + * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise. + (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise. + (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise. + (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise. + * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise. + + * diagnostic.h (set_internal_error_function): Renamed. + * toplev.h (internal_error): Renamed from fatal. + (pfatal_with_name): Deleted. + (fatal_io_error): Now has printf-style arguments. + * diagnostic.c (pfatal_with_name): Deleted. + (fatal_io_error): Rework to have args in printf-style. + (set_internal_error_function): Renamed from set_fatal_function. + (internal_error): Renamed from fatal. + (error_recursion, fancy_abort): Call internal_error instead of fatal. + * dwarf2out.c (get_cfa_from_loc_descr): Likewise. + * emit-rtl.c (gen_realpart, gen_imagpart): Likewise. + * expr.c (check_max_integer_computation_mode, expand_expr): Likewise. + * flow.c (verify_flow_info): Likewise. + * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise. + * config/mips/mips.c (save_restore_insns): Likewise. + + * except.c (duplicate_eh_handlers): Call abort instead of fatal. + * flow.c (verify_flow_info): Likewise. + * config/arm/arm.c (thumb_load_double_from_address): Likewise. + * config/avr/avr.c (pttreg_to_str, unique_section): Likewise. + (avr_normalize_condition): Likewise. + * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise. + * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise. + (limit_reload_class, double_reg_to_memory): Likewise. + (print_operand_address, emit_1600_code_shift): Likewise. + (gen_tst_reg, gen_compare_reg): Likewise. + * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise. + * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare): + Deleted. + * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it. + + * c-parse.in (methoddef): Call fatal_error instead of fatal. + * objc/objc-act.c (build_ivar_chain): Likewise. + * dwarfout.c (dwarfout_init): Call fatal_io_error instead of + pfatal_with_name. + * graph.c (clean_graph_dump_file): Likewise. + * profile.c (init_branch_prob): Likewise. + * objc/objc-act.c (objc_init): Likewise. + + * config/arm/arm.c (arm_override_options): Make errors non-fatal. + * config/avr/avr.c (avr_override_options): Likewise. + * config/c4x/c4x.c (c4x_expand_prologue): Likewise. + * config/dsp16xx/dsp16xx.c (function_prologue): Likewise. + * config/h8300/h8300.c (h8300_init_once): Likewise. + * config/mips/mips.c (override_options): Likewise. + * config/i386/i386.c (override_options): Likewise, rework. + * config/m68k/m68k.c (override_options): Likewise. + + * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage + instead of fatal. + * config/mips/mips.c (print_operand): Likewise. + * hash.c (hash_allocate): Don't check for failure returns from + obstack functions that can't fail. + (hash_table_init_n, hash_table_init): Likewise; also now return void. + * hash.h (hash_table_init_n, hash_table_init): Now return void. + * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call. + (get_object_reference): Likewise. + +2001-02-04 Nick Clifton <nickc@redhat.com> + + * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e, + StrongARM1110, 10TDMI, and 1020T. + +2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif. + +2001-02-04 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.md (movdf load split): Pass register number to + FP_OR_XD_REGISTER_P. + +2001-02-04 Mark Mitchell <mark@codesourcery.com> + + * cppinit.c (BC): New macro. + (builtin_array): Add __GXX_WEAK__. + * cpplib.h (builtin_type): Add BT_WEAK. + * cppmacro.c (builtin_macro): Handle BT_WEAK. + * defaults.h (SUPPORTS_ONE_ONLY): Define. + * varasm.c (SUPPORTS_ONE_ONLY): Do not define. + +2001-02-03 Jakub Jelinek <jakub@redhat.com> + + * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C. + +2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.h: Rename _ALIGN POOL_ALIGN. + * cpplex.c (new_chunk, _cpp_pool_reserve): Update. + +2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.h: Rename ALIGN _ALIGN. + * cpplex.c (new_chunk, _cpp_pool_reserve): Update. + +Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com> + + * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross + compilation environment. + * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow + control over location of cygwin includes and libs. + +2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz) + + * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo. + +2001-02-02 lars brinkhoff <lars@nocrew.org> + + * md.texi (Standard Names): remove reference to spur.md. + +2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz) + + * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define. + (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG. + (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise. + * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG. + (c4x_expand_prologue, c4x_expand_epilogue): Likewise. + +2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand, + c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register + number before reload. + (c4x_adjust_cost): Return zero before reload. + * c4x.md (load_immed_address+1, load_immed_address+2): Do not + split before reload. + +2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * c4x.c (c4x_hard_regno_rename_ok): New. + * c4x-protos.h (c4x_hard_regno_rename_ok): New. + * c4x.h (HARD_REGNO_RENAME_OK): Define. + +Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * diagnostic.h: Add missing "extern" in all declarations. + +2001-02-02 Alex Samuel <samuel@codesourcery.com> + + * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically + as for gcc_gxx_include_dir. + +2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpp.texi, invoke.texi: Update -Wtraditional documentation. + +2001-02-02 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit + label before alignment to be used as the braf base address. + * config/sh/sh.md (length): Use longer lengths for SH1 PIC far + branches. + (casesi_jump_2): Require at least TARGET_SH2. + + * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent + truncation to 32-bit doubles on -m3e and -m4-single-only. + +2001-02-02 Mark Mitchell <mark@codesourcery.com> + + * gcc.c (init_gcc_specs): New function. Make -shared-libgcc + the default when building a shared object. + (init_spec): Use it. + * testsuite/lib/g++.exp: Include the directory where libgcc + is located to the LD_LIBRARY_PATH list. + * invoke.texi (-shared-libgcc): Document the cases in which + GCC defaults to using the shared libgcc. + +2001-02-02 Alexandre Oliva <aoliva@redhat.com> + + * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume + unsigned is wide enough. + (BITS_PER_SI): New. + * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI. + (si_to_float): Likewise. + (float_to_si, float_to_usi): Use BITS_PER_SI. + +2001-02-01 Jeffrey Oldham <oldham@codesourcery.com> + + * dwarf2out.c: Added explanation of abbreviations. + (def_cfa_1): Added comments listing DWARF2 instructions. + (cfa_temp_reg): Removed in favor of cfa_temp. + (cfa_temp_value): Removed in favor of cfa_temp. + (cfa_temp): New global variable. + (dwarf2out_frame_debug_expr): Added extensive introductory + comments explaining the function's transformations. Revised to + use cfa_temp. Added some rtx checking. Generalize IOR case. + (dwarf2out_frame_debug): Revised to use cfa_temp. + (output_aranges): Cast as "unsigned" to avoid warning. + * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better + explain which instructions must be marked. + +2001-02-01 Richard Henderson <rth@redhat.com> + + * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the + new instruction. + +2001-02-01 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/crt1.asm (main_k): Modified so that start calls + ___setup_argv_and_call_main. + +2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader. + * cpplex.c (_cpp_lex_token): New token picks up the saved flags, + and AVOID_LPASTE is cleared on meeting an unescaped newline. + * cppmacro.c (builtin_macro): Set builtin flags here. + (paste_all_tokens): Preserve AVOID_LPASTE on pasted token. + (replace_args): Clarify intent. + (cpp_get_token): Macro expansion tokens get the saved flags. + Update. + * cppmain.c (scan_buffer): Remove now-redundant print.printed + check. + +2001-02-01 Jeffrey Oldham <oldham@codesourcery.com> + + * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of + 2001-Jan-29. + +Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space + returns Pmode pseudo, but we need ptr_mode. + * explow.c (allocate_dynamic_stack_space): Use plus_constant. + Remove bogus conversions; use HOST_WIDE_INT for size. + Don't use TARGET if wrong mode. + + * config/i386/i386.c (ix86_compute_frame_size): Allow + stack_alignment_needed to be non-default even if size is zero. + +2001-01-31 Alan Modra <alan@linuxcare.com.au> + + * pa.c (hppa_init_pic_save): New function. + * pa.h (hppa_init_pic_save): Declare. + * pa.md (call, call_value, sibcall, sibcall_value): Use + the above instead of duplicated code. + + * pa.c (hppa_encode_label): Correct size of alloca buffer + so we don't overrun it. Correct leading `*' case. + * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't + need to handle `*@'. + (FUNCTION_NAME_P): Likewise. + +2001-01-31 Richard Henderson <rth@redhat.com> + + * config.gcc (alpha-osf5): Use float-i128.h. + + * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define. + * config/float-i32.h: Likewise. + * config/float-i64.h: Likewise. + * config/float-sh.h: Likewise. + * config/float-sparc.h: Likewise. + +2001-01-31 DJ Delorie <dj@redhat.com> + + * expmed.c (extract_bit_field): allow non-integral modes if we + want to extract a whole register from itself. + +2001-01-31 Jakub Jelinek <jakub@redhat.com> + + * c-typeck.c (set_init_index): If first is equal to last, assume as + if it was not a range at all. + +2001-01-31 Alexandre Oliva <aoliva@redhat.com> + + * config/fp-bit.c: Include tm.h. + (float_to_si): Don't assume SImode is 32-bits wide. + (float_to_usi): Likewise. + +2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-parse.in (structsp): Pedwarn when "enum foo" refers to an + incomplete type. + (typename): Call pending_xref_error after parsing typed_typespecs. + * c-decl.c (lookup_tag): Give error immediately rather than + leaving it pending if the tag of the wrong type is in the same + binding level. + (xref_tag): Don't pedwarn for forward declarations of enum types + here. + * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union + and enum tags. + +2001-01-31 Alexandre Oliva <aoliva@redhat.com> + + * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo. + +2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplib.c (T_ELIF): Move to STDC89, not that it matters. + (_cpp_handle_directive): Suggest not using #elif with -Wtraditional. + +2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.h (struct cpp_reader): New saved_flags. + * cppmacro.c (cpp_get_token): Use saved_flags to remember + to avoid a paste after a pasted token. + +2001-01-31 Alexandre Oliva <aoliva@redhat.com> + + * libgcc2.h (Wtype_MAX, Wtype_MIN): Define. + * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use + Wtype_MIN instead of LONG_MIN. + +2001-01-30 Jeffrey Oldham <oldham@codesourcery.com> + + * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of + README file. + * fixinc/fixincl.x: Regenerated. + * fixinc/inclhack.def (irix_limits_const): New definition to + convert "const" to "__const" in limits.h. + +2001-01-30 Jeffrey Oldham <oldham@codesourcery.com> + + * fixinc/genfixes (AG): Fix "autogen4" thinko. + +2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED + when register dies in the insn. + +2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk> + + * diagnostic.c (fatal): Fix word wrap. + +2001-01-30 Alexandre Oliva <aoliva@redhat.com> + + * combine.c (try_combine): Fix SUBREG setting for + HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD. + +2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN + comparison codes. + +2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type) + is not NULL. + * toplev.c (decode_W_option): Update warn_larger_than + unconditionally for each processed switch. + +2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx + to NULL_RTX. + (hppa_expand_prologue): Delete code to save pic offset table register + in the function prologue. + * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment. + * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset + table register at the beginning of the function after the prologue. + +2001-01-29 lars brinkhoff <lars@nocrew.org> + + * tm.texi (PUSH_ROUNDING): Remove duplicate lines. + +2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca> + Jeff Law <law@redhat.com> + + * pa.md (return): Revise comment for trivial return. + (return_internal): Non-trivial return pattern for non-PIC code. + (return_internal_pic): Non-trivial return pattern for PIC code. + It uses the PIC register to ensure it is restored after + function calls. + (epilogue): Generate appropriate return for PIC and non-PIC code. + +Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com> + + * config/i386/cygwin.h: Fix -mno-cygwin search path for link. + +2001-01-29 DJ Delorie <dj@redhat.com> + + * combine.c (if_then_else_cond): Pass the correct mode to + operand_subword() for constants. + +Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com> + + * config/i386/cygwin.h: Add w32api to include search. Search different + directories in a cross-build environment. + +2001-11-29 Tim Josling <tej@melbpc.org.au> + + * tree.h (TYPE_STUB_DECL): Add documentation. + +2001-11-29 Laurynas Biveinis <lauras@softhome.net> + + * sdbout.c (sdbout_one_type): Skip types with indeterminate size. + (sdbout_field_types): Likwise. Fix use of host_integerp. + +2001-01-29 Thomas Pfaff <tpfaff@gmx.net> + + * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in + cygwin.h. + +2001-01-29 Jeffrey Oldham <oldham@codesourcery.com> + + * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition + to use flag_gnu_linker. + +2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplib.c (T_BAD_DIRECTIVE): Remove. + (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1. + +2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk> + + * tree.c, tree.h (build_parse_node): Remove; was identical to + build_nt. + * c-lang.c (start_cdtor), objc/objc-act.c + (build_module_descriptor): Use build_nt instead of + build_parse_node. + +2001-01-29 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI). + (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does + not have any upper bits set. + +2001-01-29 Phil Edwards <pme@sources.redhat.com> + + * COPYING.LIB: Update to LGPL 2.1 from the FSF. + +2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * stmt.c (estimate_case_costs): Use integer_minus_one_node. + + * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node. + + * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE. + (integer_minus_one_node): Define. + +2001-01-28 Alexandre Oliva <aoliva@redhat.com> + + * Makefile.in (bootstrap2-lean): Fix typo. + +2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash) + : Don't set fe_value. + * cpplib.h (AVOID_LPASTE): New flag. + (struct cpp_hashnode): Remove fe_value. + * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number. + * cppmacro.c (builtin_macro): Don't set flags here. + (replace_args): Set AVOID_LPASTE flag on first token of an + argument, and the token following it. + (cpp_get_token): Set AVOID_LPASTE flag on first token of a + macro expansion, and on the token following it. Do it for + builtins too. + * cppmain.c (scan_buffer): Avoid pasting only flagged tokens. + +2001-01-27 Richard Henderson <rth@redhat.com> + + * config/alpha/t-ieee: Remove multilibbing. + (TARGET_LIBGCC2_CFLAGS): Add -mieee. + +2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h. + + * Makefile.in: Remove all dependencies on defaults.h. + * builtins.c: Don't include defaults.h. + * c-common.c: Likewise. + * c-decl.c: Likewise. + * c-pragma.c: Likewise. + * c-typeck.c: Likewise. + * combine.c: Likewise. + * i386.c: Likewise. + * frame-ia64.c: Likewise. + * cppexp.c: Likewise. + * crtstuff.c: Likewise. + * dbxout.c: Likewise. + * dwarf2out.c: Likewise. + * dwarfout.c: Likewise. + * emit-rtl.c: Likewise. + * except.c: Likewise. + * expr.c: Likewise. + * final.c: Likewise. + * frame-dwarf2.c: Likewise. + * libgcc2.c: Likewise. + * optabs.c: Likewise. + * profile.c: Likewise. + * sdbout.c: Likewise. + * toplev.c: Likewise. + * tradcif.y: Likewise. + * tree.c: Likewise. + * varasm.c: Likewise. + +2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (expand_builtin_fputs): Use size_one_node when + transforming into fwrite. + +2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk> + + * extend.texi (Attribute Syntax): New section. + +2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG> + + * fixproto: Correctly install synthesised unistd.h and stdlib.h when + they didn't need fixing. + +2001-01-27 Janis Johnson <janis@us.ibm.com> + + * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h + if appropriate. + * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and + to remove macro definitions that are duplicated from elfos.h. + +2001-01-27 Richard Henderson <rth@redhat.com> + + * config/i386/sco5gas.h: Move ... + * config/usegas.h: ... here. + * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update. + +2001-01-27 Jakub Jelinek <jakub@redhat.com> + + * c-typeck.c (struct constructor_stack): Add range_stack member. + (really_start_incremental_init): Clear it. + (push_init_level): Save constructor_range_stack and clear it if + pushing explicit braces. + (pop_init_level): abort if constructor_range_stack is non-zero at + explicit closing brace. Restore saved constructor_range_stack if + not implicit. + +2001-01-27 Alexandre Oliva <aoliva@redhat.com> + + * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded + into register was forced into memory. + +2001-01-27 Alexandre Oliva <aoliva@redhat.com> + + * Makefile.in: Remove uses of + before $(MAKE). + +2001-01-26 Richard Henderson <rth@redhat.com> + + * stmt.c (cost_table): Remove. + (COST_TABLE, cost_table_initialized): New. + (estimate_case_costs): Use the later instead of the former. + (balance_case_nodes): Likewise. + +2001-01-26 Richard Henderson <rth@redhat.com> + + * alias.c (objects_must_conflict_p): Read-only slots may not + conflict despite having the same type. + +2001-01-27 Michael Hayes <mhayes@redhat.com> + + * loop.c (loop_giv_reduce_benefit): Copy mode size into + int variable. + (check_ext_dependant_givs): Initialise u_start_val and + u_end_val. + (load_mems): Make last_max_reg unsigned. + (try_swap_copy_prop): Use INSN_P and initialise set. + +Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru> + + * README.AVR : Removed. + +Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com) + + * pa-64.h (text_section): Remove declaration. + + * pa.md (return_internal): Remove mode on PIC register use. + +2001-01-25 lars brinkhoff <lars@nocrew.org> + + * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN, + ASM_CLOSE_PAREN): fix typos. + +2001-01-25 Mark Mitchell <mark@codesourcery.com> + + * acconfig.h: Define `const' to the empty string if neither + __STDC__ nor __cplusplus is defined. + * config.in: Regenerated. + +2001-01-25 David Edelsohn <edelsohn@gnu.org> + + * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h. + * collect2.c (main): Delete importf. Add ".obj" file extension. + (GCC_CHECK_HDR): Handle AIX V5 new magic number. + (aix_std_libs): Add additional AIX libraries to skip. + * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number. + * config/rs6000/aix51.h: New file. + +2001-01-25 Michael Hayes <mhayes@redhat.com> + + * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New. + (loop_insn_emit_before): No longer static. + (move_movables): Replace emit_insn_after with loop_insn_emit_after. + (loop_givs_rescan, load_mems): Likewise. + (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before. + (maybe_eliminate_biv_1): + (move_movables): Replace emit_call_insn_before with + loop_call_insn_hoist. + * loop.h (loop_insn_emit_before): Add. + * unroll.c (copy_loop_body): Replace emit_insn_before with + loop_insn_emit_before. + +2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk> + + * diagnostic.c (fatal): Request preprocessed source. + +Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com> + + * c-decl.c (duplicate_decls): If different_binding_level is nonzero, + olddecl has argument types and newdecl has none, use the argument + types from olddecl. + +2001-01-24 Ulrich Drepper <drepper@redhat.com> + + * dwarf2out.c (prefix_of): New function. Determine longest common + prefix of the two arguments. The units are whole path components. + (output_file_names): When adding a new directory find the one entry + with the longest common prefix already in the list. Artificially + generate entry if there is none for this prefix. + Fix test to check whether the zeroth directory entry is used. + +Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com> + + * reload1.c (reload_reg_free_for_value_p): New parameter start_regno. + Changed all callers. Take it into account when deciding if a + previously loaded value matches. + +2001-01-24 Richard Henderson <rth@redhat.com> + + * reload.c (find_reloads_subreg_address): Fail the substitution + if the resulting address is insufficiently aligned. + +2001-01-24 DJ Delorie <dj@redhat.com> + + * combine.c (combine_simplify_rtx): If the modes are all VOIDmode, + check the original operand's mode also. + * simplify-rtx.c (simplify_ternary_operation): Ditto. + +2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-parse.in (cast_expr): Move compound literals from here ... + (primary): ... to here. Use standard terminology "compound + literal" instead of "constructor expression". + +2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk> + + * gcc.1, cpp.1: Regenerate. + +2001-01-24 Alexandre Oliva <aoliva@redhat.com> + + * calls.c (emit_library_call_value_1): Memory slot for + pass-by-reference argument should have the mode of the argument, + not of the pointer to it. + +2001-01-24 Tom Tromey <tromey@redhat.com> + + * gcc.texi (G++ and GCC): Mention gcj manual. + (Standards): Link to section of manual mentioning gcj/Java + compatibility. + +2001-01-24 Jakub Jelinek <jakub@redhat.com> + + * cppfiles.c (_cpp_read_file): Add to dependencies if requested. + * cppinit.c (cpp_start_read): Remove deps_add_dep call. + * tradcpp.c (main): Add -imacros or -include'd dependencies + for -M*. + * cpp.texi (-M, -MM): Document -M -include behaviour. + +2001-01-24 Roger Collins <roger@ProProject.com> + + * config/i386/xm-i386.h: Make __i386__ a boolean macro. + +2001-01-24 Will Cohen <wcohen@redhat.com> + + * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account + whether registers are 32 bits or 64 bits in size. + +2001-01-24 Ben Elliston <bje@redhat.com> + + * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg. + +2001-01-24 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.md (builtin_longjmp_internal): New. + (builtin_longjmp): Use it instead of emit_indirect_jump. + +2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * bb-reorder.c (make_reorder_chain_1): Handle case where + jump edge goes to the same block as the fallthru edge. + +2001-01-23 Jim Wilson <wilson@redhat.com> + + * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned. + * frame.h (__ia64_personality_v1): Add prototype. + * libgcc2.c (ia64_throw_helper): Change personality declaration to + prototype form. Add void * cast to first argument to personality + call. + * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs. + (asctoe113): Likewise. + * config/ia64/frame-ia64.c: Include eh-common.h. + * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add + prototypes. + * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED + to dump parameter. + (itanium_split_issue): Add prototype. + (gen_nop_type): Ifdef out. + (find_best_packet): Initialize best_packet. + (ia64_encode_section_info): New local string. Use for ggc_alloc_string + result. + * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0. + * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start. + (flushrs): Add explicit stop bit at end. + * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change + trailing \ to >. + +2001-01-23 Chris Demetriou <cgd@broadcom.com> + + * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list + of EH symbols. + * libgcc2.c (__terminate_func): Make variable static. + (__terminate_set_func): New function to set __terminate_func. + * libgcc2.h (__terminate_func_ptr): New typedef. + (__terminate_set_func): New function. + +2001-01-23 Richard Henderson <rth@redhat.com> + + * flow.c (init_propagate_block_info): Don't consider unchanging + memories for dead frame store elimination. + +2001-01-23 Richard Henderson <rth@redhat.com> + + * varasm.c (UNIQUE_SECTION): Move default implementation ... + * defaults.h: ... here. + +2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define. + +2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lex.c (lex_charconst): Fix typo: s/p/str. + +2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * rs6000.h (rs6000_return_addr): Move prototype from here... + * rs6000-protos.h (rs6000_return_addr): ...to here. + (rs6000_init_expanders): Delete prototype. + +2001-01-23 Nick Clifton <nickc@redhat.com> + + * invoke.texi: Replace , with \, inside @gccoptlist macros. + (Spec Files): Document %B and %j and %. and %v3 and %M and + %{S*&T} spec switches. + +2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * c4x.c (c4x_r11_set_p): Calculate rtx code correctly. + +2001-01-23 Chris Demetriou <cgd@sibyte.com> + Neil Booth <neil@daikokuya.demon.co.uk> + + * cpperror.c: Merge handlers of PEDWARN and WARNING. + Have -Werror make pedantic warnings errors, like the + rest of GCC. + +2001-01-23 Phil Edwards <pme@sources.redhat.com> + + * c-tree.texi (IDENTIFIER_LENGTH): Fix typo. + +2001-01-23 Jakub Jelinek <jakub@redhat.com> + + * integrate.h (struct inline_remap): Add compare_src, compare_mode. + * integrate.c (expand_inline_function): Initialize them. + (subst_constants): If changing COMPARE so that both its arguments + will be VOIDmode and the comparison mode will be lost, note + compare_mode. Use the recorded compare_mode to optimize + IF_THEN_ELSE. + +2001-01-23 Jason Merrill <jason@redhat.com> + + * dwarf2out.c (new_die): Use xcalloc. + (output_die): Abort rather than emit a local reference to offset 0. + +2001-01-17 Andrew Haley <aph@redhat.com> + + * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy + of a saved register; return NULL instead. + (copy_reg): Take a pointer to a source register rather than a + frame_state. + (next_stack_level): Remember the address in the stack frame of all + saved registers. + Use the saved register pointer array as the source of the CFA. + (throw_helper): Rewrite. Unwind once rather than twice and keep + track of saved registers as we go. + +2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * c4x-protos.h (c4x_legitimize_reload_address): Remove. + * c4x.c (c4x_legitimize_reload_address): Remove. + * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct + reload address for ldp(k) insn. + +Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com) + + * pa.md (return_internal): Add a USE of the PIC register to ensure + it is restored after each call. + (return expander): Corresponding changes. + +2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * rs6000.h (INIT_EXPANDERS): Delete. + (RETURN_ADDR_RTX): Call rs6000_return_addr(). + * rs6000.c (rs6000_override_options): Call *_machine_status from + here... + (rs6000_init_expanders): ...instead of here. Delete. + (rs6000_mark_machine_status): New function. + (rs6000_init_machine_status): Use xcalloc. + (rs6000_return_addr): Generate RTX for the return address. + (rs6000_ra_ever_killed): New, check if LR was ever destroyed. + (rs6000_stack_info): Use it. + +2001-01-22 Thomas Pfaff <tpfaff@gmx.net> + + * gthr-win32.h: Include errno.h to get a declaration for + EINVAL and _mingw.h if the target is mingw32. + +2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co> + + * cpp.texi: Correct typos. + +Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * explow.c (probe_stack_range): Ensure value passed to + stack_check_libfunc is ptr_mode, not Pmode. + +Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com> + + * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND + case, don't use operand_subword to calculate a SUBREG that is + wider than a word. + + * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE. + +2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions. + (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is + valid. If not replace it by equivalent insns. + +2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST + contains SYMBOL_REF, LABEL_REF and CONST_INT. + (c4x_U_constraint, symbolic_address_operand): Likewise. + (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in + memory. + (c4x_r11_set_p, c4x_check_laj_p): New functions. + * c4x-protos.h (c4x_check_laj_p): Add prototype. + * c4x.md (in_annul_slot_3): Do not allow auto-increment in last + anulling slot because of silicon bug. + (laj, lajv): Call c4x_check_laj_p to check for silicon bug. + +2001-01-22 Alan Modra <alan@linuxcare.com.au> + + * cppexp.c (parse_charconst): Change `mask' type to agree + with parse_escape. + +2001-01-21 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (ix86_asm_file_end): Disable putting + pic_label_name in a linkonce section. + +2001-01-17 Philipp Thomas <pthomas@suse.de> + + * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was + found in libintl. + * configure: Regenerate. + +Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com> + + * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard + uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks. + +Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru> + + * config/avr/avr.c (ret_cond_branch): New argument (reverse) added. + If REVERSE nonzero then condition code in X must be reversed. + (encode_section_info): Optimise if/else. + (avr_function_value): Fix formatting. + + * config/avr/avr.md (branch): Call to ret_cond_branch changed. + (difficult_branch): Likewise. + (rvbranch): Likewise. + (difficult_rvbranch): Likewise. + + * config/avr/avr-protos.h (ret_cond_branch): Prototype changed. + + * config/avr/libgcc.S: Fix comment. + +2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG> + + * sdbout.c (PUT_SDB_DEF): Fix after last bogus change. + +2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG> + + * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting. + +2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG> + + * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro. + * configure.in (gcc_AC_FUNC_STRSTR): Add invokation. + * configure, config.in: Regenerate. + * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables. + (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling. + (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules. + (doprint.o): New rule. + +2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-typeck.c (digest_init): Handle boolean types as scalars. + +Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * stmt.c (expand_return): Don't return anything if size is zero. + Delete redundant assignment to BYTES. + * expr.c (move_block_from_reg): Do nothing if NREGS is zero. + +2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl> + + * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was + the same as the default library function names. + * config/avr/avr.md: Document special characters after '%'. + (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves, + knowing which of the call-used registers are really clobbered. + (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4): + New. Both quotient and remainder from one libgcc.S call. + * config/avr/libgcc.S: Optimize mul/divmod for the new insns above, + clobber as few registers as possible. + * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes. + +2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppmacro.c (funlike_invocation_p): Don't move back up to the + context of the top of the stack. + +2001-01-20 Jakub Jelinek <jakub@redhat.com> + + * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling... + (fixup_var_refs_insns): ...here. + +2001-01-20 Zack Weinberg <zack@wolery.stanford.edu> + + * function.c (fixup_var_refs_insns): Break up into + fixup_var_refs_insn [body of loop], fixup_var_refs_insns + [loop over entire insn list], and fixup_var_refs_insns_with_hash + [loop over hash table entries]. + (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or + fixup_var_refs_insns_with_hash, to match above changes. + +2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable. + (libgcc.a): Likewise. + (stmp-multilib): Likewise. + (STAGE2_FLAGS_TO_PASS): Likewise. + +2001-01-19 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as + temporary if no_new_pseudos. + +2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinternals.texi: Update. + +2001-01-19 Richard Earnshaw <rearnsha@arm.com> + + * arm.c (arm_init_builtins): Re-enable builtins. + +Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility. + * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow + element to be null, and always expect an EXPR_LIST. + * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise. + * sched-deps.c (sched_analyze_1): Likewise. + * sched-rgn.c (check_live_1, update_live_1): Likewise. + + * regclass.c (max_set_parallel): New variable. + (reg_scan): Take it into account in computation of max_parallel. + (reg_scan_mark_refs, case SET): Compute it. + + * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume + args are REG. + * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM. + * function.c (assign_parms): Use INTVAL for a CONST_INT. + +2001-01-19 Jason Merrill <jason@redhat.com> + + * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl + for the abstract instance of an inline function. + +Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com> + J"orn Rennecke <amylaar@redhat.com> + + * reload1.c (move2add_note_store): Treat all registers directly or + indirectly derived from a base register as members of the same set + of values. + (reload_cse_move2add): Adjust accordingly. Take mode and offset + of base register into account. + +Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com> + + * alias.c (find_base_value): Recognize TRUNCATE. + (record_set): In PLUS case, invalidate if other summand is also a + base value. + +Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * flow.c (mark_set_1, case PARALLEL): New case; rework to allow + entry to be EXPR_LIST. + * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to + be an EXPR_LIST (but not null, which other code doesn't allow). + (note_stores): Properly handle PARALLEL in SET. + Recursively call for top-level PARALLEL. + * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET. + * sched-rgn.c (check_live_1, update_live_1): Likewise. + + * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h. + +2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping, + not pfile->skipping (== 0). + +2001-01-17 Nick Clifton <nickc@redhat.com> + + * config/rs6000/rs6000.c: Add prototypes for {init|free}_ + machine_status. + +2001-01-17 Jim Wilson <wilson@redhat.com> + + * invoke.texi (IA-64 options): Improve. + +2001-01-17 Tom Tromey <tromey@redhat.com> + + * invoke.texi (Optimize Options): Use `{}' to around @samp + argument. + +2001-01-17 Aldy Hernandez <aldyh@redhat.com> + + * invoke.texi (-fno-guess-branch-probability): New option. + +Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * combine.c (try_combine): Don't set i3_subst_into_i2 for + case of making new double-word constant. + Revert last change: instead just test i3_subst_into_i2. + +2001-01-17 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation. + Use q constraints instead of r. + +Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au) + + * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove. + (machine_function): Define. + (PIC_OFFSET_TABLE_SAVE_RTX) : Define. + * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status, + pa_free_machine_status): New functions. + (override_options): Set {init,mark,free}_machine_status to above. + (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of + PIC_OFFSET_TABLE_REGNUM_SAVED. + * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of + PIC_OFFSET_TABLE_REGNUM_SAVED throughout. + * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove + references to PIC_OFFSET_TABLE_REGNUM_SAVED. + * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise. + +2001-01-15 DJ Delorie <dj@redhat.com> + + * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing. + (cpp.1): Ditto. + (gcc.1): Ditto. + +Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * flow.c (propagate_one_insn): Make trying to delete a prologue + or epilogue insn an ICE, not a warning. Allow doing this if + the current function returns with stack pointer depressed. + + * combine.c (try_combine): If i3_subst_into_i2, properly check for + I3 having more than one SET. + +2001-01-16 Jim Wilson <wilson@redhat.com> + + * invoke.texi: Document IA-64 options. + + * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support. + (fixup_errata): Delete TARGET_A_STEP use. + * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete. + (TARGET_SWITCHES): Delete -ma-step option. + * config/ia64/ia64.md (all FP patterns): Delete %B0. + (movqicc_astep, movqi_internal_astep, movhicc_astep, + movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1, + movdi_internal_astep, movsfcc_astep, movsf_internal_astep, + movdfcc_astep, movdf_internal_astep, movtfcc_astep, + movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep): + Delete. + (movqi_internal, movhi_internal, movsi_internal, movdi_internal, + movsf_internal, movdf_internal, movtf_internal, cmovdi_internal, + cmovsi_internal): Delete ! TARGET_A_STEP check. + +2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * gcc.texi (Bug Lists): Do not mention newsgroups nor the + possibility to report bugs via postal mail. Change a URL and + merge in a nearly duplicate statement... + (Bug Reporting): ...from here. + (Service): Refer to the Bug Reporting section instead of + duplicating an URL. + (Contributing): Remove trivial explanations concerning snapshots. + +2001-01-16 Alan Modra <alan@linuxcare.com.au> + + * cppmain.c (general_init): Don't use ANSI prototype. + +2001-01-16 Tom Tromey <tromey@redhat.com> + + * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT. + +2001-01-16 Richard Henderson <rth@redhat.com> + + * config/i386/i386.h: Fix comment typo. + * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/ + (ashr+compare patterns): Match CCGOCmode not CCNOmode. + +2001-01-16 Phil Edwards <pme@sources.redhat.com> + + * gcc.c: Revert previous -fsyntax-only-related change; move + to cp/g++spec.c. + +2001-01-16 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.c (fcmov_comparison_operator): Only initialize + inmode after checking GET_CODE (op). + +2001-01-16 Richard Henderson <rth@redhat.com> + + * flow.c (struct propagate_block_info): Add mem_set_list_len. + (MAX_MEM_SET_LIST_LEN): New. + (propagate_one_insn): Update mem_set_list_len. + (invalidate_mems_from_autoinc): Likewise. + (invalidate_mems_from_set): Likewise. + (mark_used_regs): Likewise. + (init_propagate_block_info): Likewise. Stop collecting memories + when we reach MAX_MEM_SET_LIST_LEN. + (mark_set_1): Likewise. + +2001-01-16 Richard Henderson <rth@redhat.com> + + * unroll.c (precondition_loop_p): Fail if no iteration + variable found. + +2001-01-16 Phil Edwards <pme@sources.redhat.com> + + * gcc.c: When -fsyntax-only is given, do not complain about + unused libraries. + +2001-01-15 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (asm_output_function_prefix): Remove. + (ix86_asm_file_end): New. + (load_pic_register): Generate pic_label_name into a + statically allocated buffer. + * config/i386/i386-protos.h: Update. + * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove. + (ASM_FILE_END): New. + * config/i386/i386afe.h: New file. + * config.gcc (i?86-*-elf) [tm_file]: Use it. + (i?86-*-{freebsd,linux*,moss*}): Likewise. + * config/elfos.h (ASM_FILE_END): Undef before redefinition. + * config/i386/cygwin.h (ASM_FILE_END): Likewise. + * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end. + * config/i386/sco5.h (ASM_FILE_END): Likewise. + * config/i386/winnt.c (i386_pe_asm_file_end): Likewise. + +2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk> + + * Makefile.in (install-man): Remove explicit dependency on + $(srcdir)/gcc.1. + + * configure.in, configure: Revert previous patch requiring perl + 5.6.0. + +2001-01-12 Aldy Hernandez <aldyh@redhat.com> + + * toplev.c (flag_guess_branch_prob): New. + (f_options): Add guess-branch-probability option. + (rest_of_decl_compilation): Only estimate branch probability if + flag set. + (main): set flag_guess_branch_prob. + + * flags.h (flag_guess_branch_prob): New. + +2001-01-15 DJ Delorie <dj@redhat.com> + + * gcc.texi (Makefile): Add documentation for Makefile targets. + +2001-01-15 Philip Blundell <philb@gnu.org> + + * config/arm/arm.c (arm_finalize_pic): New arg "prologue". + (is_pic): Delete. + * config/arm/arm-protos.h (arm_finalize_pic): Update prototype. + (is_pic): Delete declaration. + * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic. + (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address. + * config/arm/arm.md (builtin_setjmp_receiver): New. + +2001-01-15 Richard Earnshaw <rearnsha@arm.com> + + * arm.c (use_return_insn): Don't try to determine the function type + until after reload has completed. + (arm_output_epilogue): Don't adjust the sp value recovered from the + stack. + (emit_multi_reg_push): Don't record dwarf information for the pc. + * arm.md (eh_epilogue): The function type may have changed, so it + needs to be recalculated. + * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2 + unwind tables on arm/netbsd. + +2001-01-15 Richard Earnshaw <rearnsha@arm.com> + + * arm.md (cbranchsi4): Correct calculation of branch ranges. + (negated_cbranchsi4): Likewise. + +2001-01-15 Richard Earnshaw <rearnsha@arm.com> + + * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define. + (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string. + (ASM_SPEC): Call subtarget_extra_asm_spec. Don't + pass -mapcs-* options to assembler. + * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define. + (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string. + (ASM_SPEC): Call subtarget_extra_asm_spec. + +2001-01-15 Andreas Jaeger <aj@suse.de> + + * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove + warnings. + (ix86_expand_builtin): Likewise. + + * gencodes.c (output_predicate_decls): Make i size_t to avoid + warning about comparison between signed and unsigned. + +2001-01-14 Geoffrey Keating <geoffk@redhat.com> + + * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs. + +2001-01-14 Ralf Baechle <ralf@gnu.org> + + * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change + SUBTARGET_CPP_SPEC appropriately. + +2001-01-12 Mark Mitchell <mark@codesourcery.com> + + * varasm.c (make_decl_rtl): Fix typo in last change. + +2001-01-14 Jeffrey Oldham <oldham@codesourcery.com> + + * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the + linker supports the init_priority C++ attribute. + * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro. + * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix + linker does not support init_priority C++ attribute. + +Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com> + + * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs. + +2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-parse.in (finish_parse): Add comment about cpp_destroy. + * cp/lex.c (finish_parse): Similarly. + * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity. + Return the number of errors encountered. + * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int. + * cppmain.c (main): Don't call cpp_destroy. + +2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk> + + * configure.in: Require at least perl 5.6.0 to regenerate + manpages. + * configure: Regenerate. + +2001-01-14 Richard Henderson <rth@redhat.com> + + * genrecog.c (DT_veclen_ge): New. + (add_to_sequence) [MATCH_PARALLEL]: Generate one. + (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge. + (nodes_identical_1): Handle DT_veclen_ge. + (write_cond, debug_decision_2): Likewise. + +2001-01-14 Richard Earnshaw <rearnsha@arm.com> + + * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace + with ... + (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New. + +2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppmain.c (do_preprocessing): New function; most of the old + main. + (main): Call it to do most of the work. + (cb): Move from global scope to set_callbacks (). + (setup_callbacks): Get the callback pointer. + (general_init, printer_init): Clean up code and comments. + +2001-01-14 Richard Earnshaw <rearnsha@arm.com> + + * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when + compiling PIC. + +2001-01-14 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (get_shift_alg): Update comments. + +Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * ggc-page.c (alloc_annon): Call perror and correctly call exit. + (alloc_page, ggc_alloc): Add casts to remove warnings. + +2001-01-14 Geoffrey Keating <geoffk@redhat.com> + + * combine.c (simplify_comparison): Don't change `code' when + can't reverse comparison. + +2001-01-14 Richard Henderson <rth@redhat.com> + + * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem; + update all call sites. Return true for all non-label constants. + +Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz> + + * i386.c (ix86_expand_compare): Add bypass_test and second_test + parameters. + (ix86_expand_branch): Update. + (ix86_expand_setcc): Update to handle multiple test conditions. + (expand_int_movcc): Likewise. + (expand_fp_movcc): Likewise. + * i386-protos.h (ix86_expand_compare): New. + * i386.md (andqi_?_slp, orqi_?_slp): New. + (conditional trap expander): Update call to ix86_expand_compare. + +2001-01-14 Richard Henderson <rth@redhat.com> + + * config/vax/vax.md: Use nonimmediate_operand instead of + general_operand in destinations. + + * config/vax/vax.md (indirect_jump): Use register_operand. + + * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments. + * config/vax/vax.md (call_pop): Turn into an expander. + (call_value_pop): Likewise. + (call, call_value): New. + +2001-01-14 Andreas Jaeger <aj@suse.de> + + * config/i386/i386.c (ix86_split_fp_branch): Remove unused + variables. + (ix86_fp_compare_mode): Add unused attribute. + (ix86_expand_fp_movcc): Remove unused variable. + (ix86_expand_builtin): Make fcode unsigned. + + * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned. + (expand_expr): Add cast to avoid signed warning. + (store_field): Likewise. + (store_constructor_field): Likewise. + (store_constructor): Likewise. + (store_expr): Likewise. + (clear_storage): Likewise. + (emit_group_store): Likewise. + (emit_group_load): Likewise. + +2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c: Move format checking code to ... + * c-format.c: ... here. New file. Reorder some functions and + declarations. + (decl_handle_format_attribute, decl_handle_format_arg_attribute): + New functions. + * c-common.h (decl_handle_format_attribute, + decl_handle_format_arg_attribute): Declare. + * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o. + (c-common.o): Adjust dependencies. + (c-format.o): New list of dependencies. + +2001-01-13 Jakub Jelinek <jakub@redhat.com> + + * unroll.c (loop_iterations): If we cannot prove iteration variable + is set once in each iteration, punt. + +Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru> + + * config/avr/avr.md ("strlenhi"): Remove clobber of input address. + (*strlenhi): Remove clobber (which was buggy) of output address. + +2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk> + + * Makefile.in (generated-manpages): Add gcc.1 + ($(srcdir)/gcc.1): New target. + (maintainer-clean): Delete $(srcdir)/gcc.1. + * gcc.texi: Add macros @gccoptlist and @gol. + * invoke.texi: Include option summary in manpage. Mark up option + summary with @gccoptlist and @gol. Use @r in one place where + appropriate. + * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org. + * gcc.1: Generate from invoke.texi. + +2001-01-13 Richard Henderson <rth@redhat.com> + + * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap. + (struct page_entry): Add group member. + (struct page_group): New. + (struct globals): Add page_groups member. + (alloc_anon): Only define for using mmap; remove valloc call. + (page_group_index): New. + (set_page_group_in_use): New. + (clear_page_group_in_use): New. + (alloc_page): Implement USING_MALLOC_PAGE_GROUPS. + (free_page, release_pages): Likewise. + * configure.in (with-gc): Default to ggc-page always. + +2001-01-13 Alexandre Oliva <aoliva@redhat.com> + + * reload1.c (replace_pseudos_in_call_usage): Use + reg_equiv_constant and reg_equiv_address, and don't try + regno_reg_rtx first. + +2001-01-13 Richard Henderson <rth@redhat.com> + + * ggc-page.c (alloc_page): Round up allocation size to one page. + Set e->order on extra pages. + +2001-01-13 Richard Henderson <rth@redhat.com> + + * genrecog.c (nodes_identical): Expand commentary. + (write_switch): Watch out for identical nodes. + +2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c (_cpp_fake_include): New function. + * cpphash.h (_cpp_fake_include): New. + * cpplib.c (do_line): Call _cpp_fake_include when entering + header files in preprocessed input. + * cppmain.c (cb_pragma_implementation): Remove handling. + (setup_callbacks): Don't register pragmas. + +2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk> + + * extend.texi: Udate for CPP. + +2001-01-13 Andreas Jaeger <aj@suse.de> + + * reload1.c: Add prototype for replace_pseudos_in_call_usage. + + * regmove.c: Add prototype for replace_in_call_usage. + +2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro, + struct cpp_chunk, struct htab, struct toklist, + struct cpp_context, CPP_STACK_MAX, struct lexer_state, + struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER, + CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp, + ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h. + (struct macro_args): Delete. + * cpphash.h: See above. + +2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppmain.c (struct printer): Remove no_line_dirs. + (options, cb): New. + (main, setup_callbacks, scan_buffer, printer_init, cb_define) + : Use options rather than CPP_OPTION. + (setup_callbacks): Use cb rather than pfile->cb. + (main): No need to check for a buffer. Use cpp_errors. + (printer_init): Don't set no_line_dirs. + (maybe_print_line): Use options not no_line_dirs. + (cb_file_change): Don't call print_line if -P. + +2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lex.c (init_c_lex): Use cpp_get_callbacks to set + callbacks. + * c-parse.in (finish_parse): Use cpp_errors. + (__yylex): Use return value of cpp_pop_buffer. + * cp/lex.c (finish_parse): Use cpp_errors. + * cp/spew.c (read_token): Use return value of cpp_pop_buffer. + +Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru> + + * README.AVR: URLs corrected. + +Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * c-decl.c (start_function): Don't warn if old prototype is builtin + that's not in C's namespace. + * libgcc2.c (_varargs): Update definition of __builtin_saveregs. + (_bb): Add prototype for ctime. + * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos. + +Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_fp_comparison_arithmetics_cost, + ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost, + ix86_fp_comparison_cost): New functions. + (ix86_expand_fp_compare): Use the costs to choose best bethod; add + two new parameters SECOND_TEST and BYPASS_TEST; allow generating + two-branch sequences; make static. + (ix86_use_fcomi_compare): Do decision according to the costs. + (split_fp_branch): New. + * i386.md (compare-and-branch patterns): Use split_fp_branch. + * i386-protos.h (ix86_expand_fp_compare): Remove + (ix86_split_fp_branch): Declare. + + * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand + and ix86_comparison_operator. + + * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison + to make it cheaper. + + * i386.c (put_condition_code): Output properly the unordered/ordered + compares in fp case. + (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure. + + * tm.texi (REVERSE_CONDITION): Document. + * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode + in -ffast-math mode. + * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro. + +2001-01-13 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly. + + * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be + optimized away. + + * config/sh/sh.c (mova_p): Fix test for mova_const. + +2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk> + + * fix-header.c (read_scan_file): Use cpp_get_callbacks and + cpp_get_options rather than dereferencing pfile and using + CPP_OPTION. + * scan-decls.c (scan_decls): Use return value of + cpp_pop_buffer rather than CPP_BUFFER. + +2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinit.c (cpp_handle_option): help_only is now part of the + cpp_options structure. + * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks, + cpp_set_callbacks): New functions. + * cpplib.h (cpp_callbacks): Break out as a named structure. + (cpp_options): Move help_only here from cpp_reader. + (CPP_FATAL_ERRORS): Update to use cpp_errors. + (cpp_errors, cpp_get_options, cpp_get_callbacks, + cpp_set_callbacks): New prototypes. + * cppmain.c (main): Update for help_only. + +2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk> + + * Makefile.in (info, maintainer-clean, install-info, uninstall): + Also build and remove and install and uninstall c-tree.info and + cppinternals.info. + ($(srcdir)/gcc.info): Add dependency on contrib.texi. + ($(srcdir)/cppinternals.info): New target. + * c-tree.texi: Change file name used when makeinfo used without -o + from ir.info to c-tree.info. Add info directory entry. + * cppinternals.texi: Add info directory entry. + * .cvsignore: Update. + +2001-01-12 Jakub Jelinek <jakub@redhat.com> + + * c-typeck.c (store_init_value): Don't require constant initializer + elements with -pedantic -std=c99. + (digest_init): Change error about non-constant initializer elements + into pedwarn. + (constructor_range_end): Remove. + (constructor_incremental, designator_depth, + designator_errorneous): New variables. + (struct constructor_stack): Remove range_end, add incremental. + (struct constructor_range_stack, constructor_range_stack): New. + (struct initializer_stack): Add constructor_range_stack. + (finish_init): Set it. + (start_init): Likewise. require_constant_elements for non-static + trees only if not flag_isoc99. + (really_start_incremental_init): Remove constructor_range_end, add + constructor_incremental. + (pop_init_level): Likewise. + (push_init_level): Likewise. If implicit and the subobject had some + value set already, preinitialize the level with it. + Warn about missing braces only if not pushing due to designators. + (set_designator, push_range_stack): New functions. + (set_init_label): Use them. + (set_init_index): Likewise. Remove constructor_range_end. + Error if designator index is outside of array bounds. + (add_pending_init): Compare values of purpose index trees, not the + trees themselves. Allow overwriting of already initialized element. + Issue a warning if it had side-effects. + (set_nonincremental_init, set_nonincremental_init_from_string): New + functions. + (pending_init_member): Rename to... + (find_init_member): ...this function. Call set_nonincremental_init + if necessary. Compare values of purpose index trees, not the trees + themselves. Return the actual value, not just non-zero if something + is found. + (output_init_element): Remove checks for duplicates. + If field has zero size, only check the initializer for correctness. + Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL + if constructor_incremental is zero. Change error about initializers + not computable at load time into pedwarn. + (output_pending_init_elements): Compare bit positions, not + FIELD_DECLs to take into account zero-sized fields. + (process_init_element): Use constructor_range_stack to fill all + ranges in the designator lists from current level up. + * extend.texi: Update documentation for labeled elements. + +2001-01-12 Alexandre Oliva <aoliva@redhat.com> + + * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs + to function usage for arguments passed by reference. Optimize + callee-copied arguments. + * regmove.c (replace_in_call_usage): New function. + (fixup_match_1): Call it. + * cse.c (cse_insn): Canonicalize registers in function usage. + * reload1.c (replace_pseudos_in_call_usage): New function. + (reload): Call it. + + * Makefile.in: Reverted yesterday's wrong patch. Installed the + right version. + +2001-01-12 Jakub Jelinek <jakub@redhat.com> + + * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp, + not XEXP (tmp, 0). + +2001-01-12 DJ Delorie <dj@redhat.com> + + * Makefile.in (bootstrap): rename stages to be mnemonic. Add + restageN, unstageN, bubblestrap, quickstrap, and cleanstrap + targets. + +2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk> + + * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi, + tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to + -std options alongside references to -ansi. Update some + documentation for C99. + * cpp.1: Regenerate. + +2001-01-12 Andreas Jaeger <aj@suse.de> + + * haifa-sched.c (restore_line_notes): Remove argument block B + since it's unused. + * sched-ebb.c (schedule_ebb): Change caller. + * sched-rgn.c (schedule_region): Likewise. + * sched-int.h (restore_line_notes): Adjust prototype. + + * loop.h: Remove wrong declaration of doloop_condition_get. + +2001-01-12 Phil Edwards <pme@sources.redhat.com> + + * extend.texi: Move C++-extension-related node from the C section + into the C++ section. + +2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk> + + * extend.texi: Refer to an array of pointers to functions instead + of one of functions. + +Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de> + Jan Hubicka <jh@suse.cz> + + * combine.c (reversed_comparison): Fix typo in last patch. + Check X for NULL. + (combine_reversed_comparison_code): Make static to follow + prototype declaration. + +2001-01-12 Phil Edwards <pme@sources.redhat.com> + + * install.texi: Remove misplaced duplicate entry. + +2001-01-11 Ulrich Drepper <drepper@redhat.com> + + * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99. + +Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com) + + * final.c: (leaf_function_p): Fix typo. + +2001-01-11 Zack Weinberg <zack@wolery.stanford.edu> + + * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten. + Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending + which you have. + (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE. + * configure.in: Set GGC to ggc-page if any of mmap_dev_zero, + mmap_anon, and valloc is available. + * ggc-page.c: Restructure ifdef logic to match new autoconf + spec. Don't throw away the test page in init_ggc. + + * configure, config.in: Regenerate. + +2001-01-12 Michael Hayes <mhayes@redhat.com> + + * loop.h (total_biv_increment): Constify iv_class pointer. + (struct induction): Replace `mem_mode' with `mem' rtx. + * unroll.c (total_biv_increment): Constify iv_class pointer. + * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx. + (find_mem_givs, combine_givs_p): Likewise. + (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New. + +2001-01-10 Thomas Pfaff <tpfaff@gmx.net> + + * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32 + LastError. + (__gthread_getspecific): Ditto. + +Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_comparison_operator, fcmov_comparison_operator, + put_condition_code): Convert fp comparison codes to integer + before handling. + (ix86_expand_fp_compare): Postnote the fp comparison code conversion + to final. + + * i386.c (unsigned_comparison, no_comparison_operator): Kill. + * i386-protos.h (no_comparison_operator): Kill. + + * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion. + + * combine.c (REVERSIBLE_CC_MODE): Remove. + (reversible_comparison_p): Remove. + (combine_reversed_comparison_code): New. + (reversed_comparison): New. + (combine_simplify_rtx): Use + combine_reversed_comparison_code/reversed_comparison instead + of reversible_comparison_p. + (simplify_if_then_else): Likewise. + (simplify_set): Likewise. + (simplify_logical): Likewise. + (if_then_else_cond): Likewise. + (known_cond): Likewise. + (simplify_comparison): Likewise. + +2001-01-11 Alan Lehotsky <lehotsky@tiac.net> + + * builtins.c (std_expand_builtin_va_start): Handle varargs when + sizeof (int) is larger than sizeof(__word__). + +2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinit.c (do_includes): Fix typo. + +2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading + in S_REGS does not occur because not all sources are possible + when a S_REGS is a destination (sometimes needs a clobber). + (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise. + (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise. + (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise. + (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise. + (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise. + (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise. + (lshrdi_const1, lshrsi3_const16): Likewise. + (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise. + (*movhi_68hc12, *movqi_68hc12): Likewise. + (movstrictqi): Make sure reloading in D_REGS as a destination + does not happen. + +2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ. + +2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinit.c (cpp_start_read): If -fpreprocessed, ignore + -D, -U and -A, and don't initialize the builtins. + (do_includes): Error if -include or -imacros with -fpreprocessed. + * cppmain.c (cb_define, cb_undef): Unconditionally process + the callback. + * tradcpp.c (main): Fix typo. + +2000-01-11 Mark Elbrecht <snowball3@bigfoot.com> + + * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include) + (read_name_map): Use IS_ABSOLUTE_PATH. + * tradcpp.c (get_filename): Likewise. + +2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers. + (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise. + (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise. + (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise. + (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise. + (cmphi_z_used): Don't use '@' for the output. + (tstqi_z_used): Likewise. + (cmpqi_z_used): Likewise. + (one_cmplsi2): Likewise. + +2001-01-11 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.c (barrier_align): Recognize branch around far + branch and redundant insn. + +2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk> + + * invoke.texi: Restore documentation of the drivers' switches -MD + and -MMD. + +2001-01-11 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1. + + * Makefile.in (check-gcc//%, check-g++//%, check-g77//%, + check-objc//%): Support parallel testing of multilibs. + (TESTSUITEDIR): Set to testsuite by default, but override for + parallel testing. + (check-gcc, check-g++, check-g77, check-objc): Enter + $(TESTSUITEDIR). + +2001-01-11 Bernd Schmidt <bernds@redhat.com> + + * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO. + * sched-deps.c (deps_may_trap_p): Likewise. + * basic-block.h: Remove a comment. + * flow.c (PROP_POSTRELOAD): Remove. + (update_life_info): Don't add it to prop_flags. + (mark_set_1): Lose the code that was enabled by it. + +2001-01-11 Michael Hayes <mhayes@redhat.com> + + * flow.c (flow_call_edges_add): New. + * basic_block.h (flow_call_edges_add): New. + +2001-01-11 J"orn Rennecke <amylaar@redhat.com> + + * reload1.c (move2add_note_store): Update reg_set_luid even if + base reg remains the same. + +2001-01-10 Nick Clifton <nickc@redhat.com> + + * config/d30v/d30v.c (d30v_init_machine_status): Initialise + machine_function structure to zero. + Add prototypes for machine_status functions. + +2001-01-10 Mark Mitchell <mark@codesourcery.com> + + * c-common.h (CTI_VOID_LIST): Remove. + (void_list_node): Likewise. + * tree.h (TI_VOID_LIST_NODE): New enumeral. + (void_list_node): New macro. + * config/arm/arm.c (arm_init_builtins): Use void_list_node. + * config/i386/i386.c (ix86_init_builtins): Likewise. + * config/ia64a/ia64.c (ia64_init_builtins): Likewise. + +2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk> + + * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o + * cppinit.c (cpp_start_read): Update comment, remove unneeded + if statement. + * tradcpp.c: Include mkdeps.h. + (deps, print_deps_phony_targets, deps_append, output_deps, + init_dependency_output, output_deps): New. + (deps_buffer, deps_allocated_size, deps_size, deps_column, + deps_output): Delete. + (print_deps_missing_files): Rename deps_missing_files. + (inhibit_output): Make global. + (main): Delete inhibit_output, deps_stream, deps_target. + Use mkdeps functionality in the same way as cpplib. Remove + -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of + -M and -MM. Remove old handling of deps via deps_out, and + old reading of environment variables. + (get_filename): Update to use deps_add_dep. + +2001-01-10 Mark Mitchell <mark@codesourcery.com> + + * output.h (make_function_rtl): Remove prototype. + (make_decl_rtl): Likewise. + * varasm.c (make_function_rtl): Remove. + (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather + than from a third parameter. + * tree.h (make_decl_rtl): Remove last parameter. + * c-decl.c (builtin_function): Remove last argument in call to + make_decl_rtl; use make_function_rtl instead of make_decl_rtl. + (start_function): Likewise. + * except.c (call_get_eh_context): Likewise. + * expr.c (emit_block_move): Likewise. + (clear_storage): Likewise. + * profile.c (output_func_start_profiler): Likewise. + * toplev.c (rest_of_decl_compilation): Likewise. + * objc/objc-act.c (create_builtin_decl): Likewise. + (synth_module_prologue): Likewise. + (generate_static_reference): Likewise. + (build_selector_reference_decl): Likewise. + (build_class_reference_decl): Likewise. + (build_objc_string_decl): Likewise. + (build_protocol_reference): Likewise. + +2001-01-10 Richard Henderson <rth@redhat.com> + + * hwint.h: Revert yesterday's change. + +2001-01-10 Nick Clifton <nickc@redhat.com> + + * function.h (save_machine_status): Delete. + (restore_machine_status): Delete. + Amend comment describing {init|mark|free}_machine_status. + + * function.c (save_machine_status): Delete. + (restore_machine_status): Delete. + Amend comment describing {init|mark|free}_machine_status. + (push_function_context_to): Remove invocation of + save_machine_status. + (pop_function_context_from): Remove invocation of + restore_machine_status. + + * emit-rtl.c (init_emit_once): Amend comment describing + {init|mark|free}_machine_status. + + * tm.texi (Per-Function Data): New node. Describe the + INIT_EXPANDERS macro and the {init|mark|free}_machine_status + function pointers. + +2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinit.c (OPT_g): Remove. + (cpp_handle_option): Update for removed -g3. + (print_help): Update. + * cpplib.h (struct cpp_options): Remove debug_output. + * cppmain.c (setup_callbacks, cb_define): Update. + * gcc.c (cpp_options): Translate -g3 to -dD. + +2001-01-10 Aldy Hernandez <aldyh@redhat.com> + + * config/i960/i960.md: Change modifier to + on the zero_extract + pattern after the (rotate -2 reg) canonicalization pattern. + +2001-01-10 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (alpha_free_machine_status): New. + (override_options): Install it. + (alpha_mark_machine_status): Verify machine non-null. + * config/i386/i386.c (ix86_free_machine_status): New. + (override_options): Install it. + (ix86_init_machine_status): Use xcalloc. + (ix86_mark_machine_status): Verify machine non-null. + * config/ia64/ia64.c (ia64_free_machine_status): New. + (ia64_override_options): Install it. + (ia64_mark_machine_status): Verify machine non-null. + +Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com) + + * function.c (instantiate_virtual_regs): Instantiate virtual + registers found in CALL_INSN_FUNCTION_USAGE. + +2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk> + + * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as + equivalent to -ansi in disabling -Di386. + +Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes): + new functions. + (ix86_expand_fp_compare): Make trivial use of new infrastructure. + +2001-01-10 Richard Earnshaw <rearnsha@arm.com> + + * arm.c (arm_init_builtins): Temporarily disable xscale builtins. + +2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk> + + * invoke.texi: Document that -fcond-mismatch isn't supported for + C++. + +2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk> + + * gcc.texi: Define macro gcctabopt. + * invoke.texi: Add manpage sections BUGS and AUTHOR. Use + @command, @env and @option in some places where appropriate. Use + @gcctabopt where appropriate. Put URLs and email addresses inside + @w. + +2001-01-10 Nathan Sidwell <nathan@codesourcery.com> + + * gcc.c (cpp_options): Set MD file name from output + filename, if specified. + (suffix_subst): New static variable. + (do_spec): Clear it. + (do_spec_1, case '.'): Handle new `%.suffix' spec. + Clear it. + (give_switch): Handle suffix_subst. + +2001-01-10 Phil Edwards <pme@sources.redhat.com> + + * invoke.texi: Fix another typo. + +2001-01-10 Phil Edwards <pme@sources.redhat.com> + + * invoke.texi: Fix typo. + +2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lang.c (lang_hooks): Update. + (lang_decode_option): Remove. + (lang_init_options): Rename c_init_options. + * toplev.c (main): Use lang_hooks for lang_init_options + and lang_decode_option. + * toplev.h (lang_hooks): Add 2 new hooks. + * tree.h: Remove lang_init_options and lang_decode_option. + * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option. + * cp/decl2.c: Similarly. + * cp/lex.c (lang_init_options): Rename cxx_init_options. + (lang_hooks): Update. + * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish + for consistency. + (lang_init_options): Rename ffe_init_options. + (lang_hooks): Update. + (lang_decode_option): Remove. + * java/lang.c (lang_init_options): Rename java_init_options. + (lang_decode_option): Rename java_decode_option. + (lang_hooks): Update. + * objc/objc-act.c (lang_init_options): Rename objc_init_options. + (lang_decode_option): Rename objc_decode_option. + (lang_hooks): Update. + +2001-01-09 Nick Clifton <nickc@redhat.com> + + * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete. + (d30v_return_addr_rtx): Delete. + (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the + cfun->machine structure. + (struct machine_function): Move to d30v.h + (d30v_save_machine_status): Delete. + (d30v_restore_machine_status): Delete. + (d30v_init_machine_status): New Function. + (d30v_mark_machine_status): New Function. + (d30v_free_machine_status): New Function. + (d30v_init_expanders): Use new functions. + (d30v_return_addr): Use ra_rtx field in cfun->machine. + (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and + d30v_return_addr_rtx. + + * config/d30v/d30v.h (struct_machine): Move here. + Add eh_epilogue_sp_ofs field. + + *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs + field in cfun->machine structure. + +Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code, + PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register. + * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise. + +Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com) + + * objc/lang-options.h: Remove bogus reference to + Java trademark. + +2001-01-09 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to + return the result. + +2001-01-09 Alan Lehotsky <lehotsky@tiac.net> + + * reload.c (find_reloads_address): Check for eliminable registers + when substituting a constant expression for a pseudo. + +2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (enum format_type): Add format_type_error. + (decode_format_type): New function. + (decl_attributes): Use it. + (format_kind_info): Adjust comment. + +2001-01-09 David O'Brien <obrien@BSDi.com> + + * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1, + i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific + files in tm_file. + * config/i386/gnu.h: Don't include required platform specific .h files, + tm.h will do it instead. + * config/i386/i386elf.h: Likewise. + * config/i386/linux.h: Likewise. + * config/i386/moss.h: Likewise. + * config/mips/gnu.h: Likewise. + +2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h. + (rs6000-ibm-aix3.[01]*): Likewise. + (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise. + (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise. + (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise. + (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise. + (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h. + (powerpc-*-eabiaix*): Likewise. + (powerpc-*-eabisim*): Likewise. + (powerpc-*-elf*): Likewise. + (powerpc-*-eabi*): Likewise. + (powerpc-*-rtems*): Likewise. + (powerpc-*-linux*libc1): Likewise. + (powerpc-*-linux*): Likewise. + (powerpc-wrs-vxworks*): Likewise. + (powerpcle-wrs-vxworks*): Likewise. + (powerpcle-*-sysv*): Likewise. + (powerpcle-*-elf*): Likewise. + (powerpcle-*-eabisim*): Likewise. + (powerpcle-*-eabi*): Likewise. + (powerpcle-*-solaris2*): Likewise. + * config/rs6000/aix31.h: Delete includes. + * config/rs6000/aix3newas.h: Likewise. + * config/rs6000/aix41.h: Likewise. + * config/rs6000/aix43.h: Likewise. + * config/rs6000/beos.h: Likewise. + * config/rs6000/rtems.h: Likewise. + * config/rs6000/sysv4.h: Likewise. + +2001-01-09 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu. + Change an argument mode of machine_mode to shift_mode of + shift_mode. Remove an extra error check. + (emit_a_shift): Adopt to the new calling prototype of + get_shift_alg. + (function_prologue): Fix code for a monitor + function. Support H8/S. + (function_epilogue): Do not output pop for a monitor function. + +2001-01-09 Nick Clifton <nickc@redhat.com> + + * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete. + (setup_incoming_varargs): Use sysv_varargs_p field of the + cfun->machine structure. + (struct machine_function): Move to rs6000.h + (rs6000_save_machine_status): Delete. + (rs6000_restore_machine_status): Delete. + (rs6000_init_machine_status): New Function. + (rs6000_free_machine_status): New Function. + (rs6000_init_expanders): Use new functions. + + * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete + export. + (struct machine_function): Move here. + + * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use + sysv_varargs_p field of the cfun->machine structure. + + * config/rs6000/rs6000-protos.h (rs6000_save_machine_status): + Remove prototype. + (rs6000_restore_machine_status): Remove prototype. + +2001-01-09 Richard Henderson <rth@redhat.com> + + * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge + reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg. + * sched-deps.c (sched_analyze_1): Update uses of struct deps. + (sched_analyze_2, sched_analyze_insn): Likewise. + (sched_analyze, init_deps): Likewise. + (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET. + * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument. + (compute_block_backward_dependences): Update propagate_deps call. + +2001-01-09 Mark Elbrecht <snowball3@bigfoot.com> + + * gcc.c (process_command): Set switches[n_switches].ordering to 0. + +2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinit.c (OPT_MD, OPT_MMD): Restore. + (cpp_handle_option): Handle them. + (cpp_post_options): Ensure one of -M or -MM is specified with + any other -M? option. + (init_dependency_output): Suppress output with -MG. + +2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpp.texi: Update. + * invoke.texi: Update. + +2001-01-09 Bernd Schmidt <bernds@redhat.com> + + * sh.md (reload_outsf): Generate recognizable patterns for + TARGET_SH3E. + +2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lang.c (lang_hooks): Update. + (lang_init): Rename c_init. + (lang_finish): Remove. + * toplev.c (compile_file): Use lang_hooks for lang_init () + and lang_finish (). + * toplev.h (lang_hooks): Add init () and finish (). + * tree.h (lang_init, lang_finish): Remove. + * cp/tree.h (lang_init, lang_finish): Remove. + * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c. + * cp/lex.c (cxx_init, cxx_finish, cxx_post_options, + lang_hooks): New. + (lang_init, lang_finish): Remove. + * f/com.c (lang_init, lang_finish): Rename f_init, f_finish. + (lang_hooks): Update. + * java/lang.c (lang_init): Rename java_init. + (lang_finish): Remove. + (lang_hooks): Update. + * objc/objc-act.c (lang_init): Rename objc_init. + (lang_finish): Remove. + (lang_hoooks): Update. + +20001-01-09 Graham Stott <grahams@redhat.com> + + * cppfiles.c (_cpp_execute_include): Move `len` initialisation + after `ptr` is initialised. + +2001-01-09 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3. + (INITIALIZE_TRAMPOLINE): Adjust accordingly. + * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for + stack adjusts, instead of r3. + +2001-01-09 Michael Hayes <mhayes@redhat.com> + + * flow.c (flow_loop_scan): Break out of ... + (flow_loops_find) ... here. + * basic-block.h (flow_loop_scan): New. + (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add. + (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine. + +2001-01-09 Alexandre Oliva <aoliva@redhat.com> + + * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero + macro_buffer_len. + * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when + realloc()ing macro_buffer. + + * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long + if it's wider than long and the target's long is wider than the + host's. + +2001-01-09 Mark Mitchell <mark@codesourcery.com> + + Remove support for using UWIN as a host machine. + * configure.in: Issue an error message. + * configure: Regenerated. + * config.gcc: Remove xm_* UWIN configury. + * config/i386/xm-uwin.h: Remove. + +2001-01-08 Nick Clifton <nickc@redhat.com> + + * config/v850/v850.c (ra_rtx): Delete. + (v850_save_machine_status): Delete. + (v850_restore_machine_status): Delete. + (v850_init_machine_status): New function. + (v850_mark_machine_status): New function. + (v850_free_machine_status): New function. + (v850_return_addr): Use ra_rtx field in machine structure. + (v850_init_expanders): Use new functions. + + * config/v850/v850-protos.h: Fix prototypes for v850_output_* + * config/v850/v850.c: Change arguments to v850_output+* functions + to take a const char *, to avoid compile time warning. + * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed. + (USER_LABEL_PREFIX): Redefine. + +2000-01-08 Jim Wilson <wilson@redhat.com> + + * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast + 1 to unsigned HOST_WIDE_INT before left shift. + +2001-01-08 Nick Clifton <nickc@redhat.com> + + * config/arm/arm.c (arm_mark_machine_status): Check to see if + the machine structure has been allocated. + (arm_free_machine_status): New function: Free the machine + specific function structure. + +2001-01-08 Richard Henderson <rth@redhat.com> + + * jump.c (simplejump_p): Revert last change. + +2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppinit.c (init): Rename init_library. + (cpp_create_reader): Update. + * gcc.c (cpp_options): If -o given, use it as the target of + any -M options. + +2001-01-08 Richard Earnshaw <rearnsha@arm.com> + + * arm.c (arm_arch5e): New variable. + (all_cores): XScale is a 5TE device. + (arm_override_options): Set arm_arch5e. + (arm_init_builtins): __builtin_prefetch is in arch5e. + * arm.h (arm_arch5e): Declare it. + + * arm.h (PREDICATE_CODES): Add arm_hard_register_operand. + + * arm.md (define_constants): Add defines for UNSPEC and + UNSPEC_VOLATILE insns. Update all users. + (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM. + * arm.c (multi_register_push, note_invalid_constants) + (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants. + * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines. + (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM. + +Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz> + + * jump.c (jump_optimize_1): Use reversed_comparison_code + instead of can_reverse_comparison_p. + (jump_back_p): Likewise. + (invert_exp_1): Likewise. + (thread_jumps): Likewise. + * simplify-rtx.c (simplify_unary_operation): Likewise. + (simplify_ternary_operation): Likewise. + * cse.c (find_comparison_args): Convert to use + can_reverse_comparison_p. + (record_jump_equiv): Likewise. + +2001-01-08 Richard Earnshaw <rearnsha@arm.com> + + * arm.h (HARD_REGNO_RENAME_OK): Delete. + (EPILOGUE_USES): Define. + (INITIAL_ELIMINATION_OFFSET): Current prologue code does not + automatically stack the LR if it isn't live. + +Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions + properly. + +Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com> + + * ggc-page.c (max_alignment): New structure. + (MAX_ALIGNMENT): New macro. + (init_ggc): Use it to round up the sizes in the + extra_order_size_table. + +2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register + after reload. + +2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.def (BUILT_IN_FPRINTF): New entry. + + * c-common.c (c_expand_builtin_fprintf): New function. + (init_function_format_info): Handle __builtin_fprintf. + (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf. + (c_expand_builtin): Handle BUILT_IN_FPRINTF. + + * c-decl.c (duplicate_decls): Adjust comment. + + * extend.texi (fprintf): Document new builtin. + +2001-01-07 Richard Henderson <rth@redhat.com> + + * jump.c (simplejump_p): Recognize any single_set jump + of the proper form. + +2001-01-07 Richard Henderson <rth@redhat.com> + + * configure.in (slibdir): Accept an --with-slibdir option. + Use "test" not "[" in configure. Default to $(libdir). + + * config/t-linux (SHLIB_INSTALL): Double quote slibdir; + fix typo in rm -f. + * config/t-aix43 (SHLIB_INSTALL): Likewise. + * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise. + (SHLIB_LINK): Create links for the soname. + * config/mips/t-iris6: Likewise. + * config/sparc/t-slibgcc: Likewise. + * config/sparc/t-slibgcc-sld: Likewise. + +2001-01-07 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.c (constant_call_address_operand): Accept + (const (plus (symbol_ref) (const_int))). + * config/i386/i386.h (PREDICATE_CODES): Add CONST for + constant_call_address_operand. + +2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1 + and LONG_LONG_TYPE_SIZE > 32. + +2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * jump.c (reversed_comparison_code_parts): Fix typo introduced by + the previous change. + +Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz> + + * jump.c (reversed_comparison_code_parts, reversed_comparison_code): + New. + (can_reverse_comparison_p): Rewrite to use reversed_comparison_code. + (reverse_condition_maybe_unordered): Abort on unsigned comparisons. + * rtl.h (reversed_comparison_code_parts, reversed_comparison_code): + Declare. + +2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk> + + * fix-header.c (read_scan_file): s/pfile/scan_in/. + +2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lang.c (c_post_options): Call cpp_post_options. + * objc/objc-act.c (objc_post_options): Similarly. + * cppmain.c (main): Similarly. + * fix-header.c (read_scan_file): Similarly. + * cppinit.c (cpp_start_read): Move option consistency checks + to cpp_post_options. Don't call init_dependency_output. + If needed, add default target and main file dependency. + (OPT_MD, OPT_MMD): Remove. + (OPT_MF): New. + (cpp_handle_option): Update for OPT_* changes. + (cpp_post_options): New. + (init_dependency_output): Command line -MF overrides environment + variables. Don't set default target etc. Suppress output + if dependencies are going to stdout. + (print_help): Update. + * cpplib.h (cpp_post_options): New. + * gcc.c (cpp_options): Update for -MD, -MMD, -MF. + +Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz> + + * jump.c (comparison_dominates_p): Support unordered compares. + +Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz> + + * simplify-rtx.c (simplify_relational_operation): Always simplify + ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE + and UNGE. + +Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz> + + * combine.c (combine_simplify_rtx): Recognize the unordered compares. + (nonzero_bits): Likewise. + (simplify_comparison): Likewise. + (num_sign_bit_copies): Likewise; return more sane value depending + on STORE_FLAG_VALUE. + (known_cond): Do not assume EQ to be always true for equivalent + operands. + +Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz> + + * cse.c (fold_rtx): Handle unordered comparisons. + +Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz> + + * rtlanal.c (set_of_1): New static function. + (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag, + reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno, + reg_set_last_last_regno): Remove. + (set_of): New global function. + (set_of_data): New structure. + (reg_set_p, reg_set_last): Revamp for set_of. + * rtl.h (set_of): New. + +2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin. + * extend.texi: Document _Exit builtin. + +2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk> + + * (initialize, initialize_builtins, + initialize_dependency_output, initialize_standard_includes): + Rename s/initialize/init. Update. + (init_dependency_output): Move to after + cpp_handle_options, the correct location temporally at least. + (opt_comp): Move next to init (), its caller. Fix prototype. + (init): Make "initialized" local scope. + (cpp_create_reader): Always call init (). + (cpp_start_read): Update. + (output_deps): New function, broken out of cpp_finish. + (cpp_finish): Break out output_deps. + +2001-01-07 Richard Henderson <rth@redhat.com> + + * collect2.c (COFF specific stuff): Revert 12-06 patch + to prototype system functions. + +2001-01-07 Michael Hayes <mhayes@redhat.com> + + * hard-reg-set.h: Add multiple include guard. + * basic-block.h (struct loop): Add `sink' field. + * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h. + (emit_iv_add_mult): Delete. + (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define. + (loop_iv_add_mult_emit_before, loop_insn_sink): Define. + (unroll_loop): Remove end_insert_before argument. + * loop.c (loop_givs_rescan): Remove end_insert_before argument. + (maybe_eliminate_biv_1): Likewise. + (emit_iv_add_mult): Delete. + (gen_add_mult, loop_regs_update): New. + (loop_insn_emit_after, loop_insn_emit_before): New. + (loop_insn_sink, loop_insn_sink_or_swim): New. + (emit_iv_add_mult): Delete. + (scan_loop): Set loop->sink. + (loop_givs_reduce): Use loop_insn_sink and its ilk. + (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise. + (maybe_eliminate_biv_1): Likewise. + (maybe_eliminate_biv_1): Add basic block argument. + * unroll.c (unroll_loop): Remove end_insert_before argument. + (find_splittable_regs): Likewise. + (find_splittable_regs): Use loop_insn_sink and its ilk. + (find_splittable_givs, final_biv_value, final_giv_value): Likewise. + +2001-01-07 Michael Hayes <mhayes@redhat.com> + + * loop.h (loop_insn_hoist): New prototype. + * loop.c (loop_insn_hoist, loop_insn_emit_before): New. + (move_movables, loop_givs_rescan): Use loop_insn_hoist. + (check_dbra_loop, load_mems): Likewise. + * unroll.c (unroll_loop, find_splittable_regs): Likewise. + (find_splittable_givs): Likewise. + +2001-01-07 Michael Hayes <mhayes@redhat.com> + + * loop.c (emit_iv_add_mult): Use single_set to examine new insn. + +2001-01-07 Richard Henderson <rth@redhat.com> + + * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change. + +2001-01-07 Richard Henderson <rth@redhat.com> + + * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and + NO_SHARED_LIBGCC_MULTILIB as required for the target. + * gcc.c (init_spec): Massage the existing libgcc_spec into a + variant that handles a shared libgcc. + (process_command): Always validate -{static,shared}-libgcc. + (do_spec_1): New 'M' case. + * invoke.text (Link Options): Document -{static,shared}-libgcc. + +2001-01-07 Richard Henderson <rth@redhat.com> + + * Makefile.in (slibdir): New variable. + (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc. + (installdirs): Create slibdir. + (install-libgcc, install-multilib): Defer to libgcc.mk. + * configure.in (slibdir): Substitute. + * mklibgcc.in (install): New target. + + * config/t-linux (SHLIB_LINK): Create links for the soname. + (SHLIB_INSTALL): New. + * config/alpha/t-osf4 (SHLIB_INSTALL): New. + * config/mips/t-iris6 (SHLIB_INSTALL): New. + * config/rs6000/t-aix43 (SHLIB_INSTALL): New. + * config/sparc/t-slibgcc (SHLIB_INSTALL): New. + * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New. + +2001-01-07 Richard Henderson <rth@redhat.com> + + * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New. + * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove. + * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove. + +2001-01-07 Michael Hayes <mhayes@redhat.com> + + * loop.c (count_loop_regs_set): Delete. + (load_mems_and_recount_loop_regs_set): Delete. + (loop_regs_scan): Merge common code from count_loop_regs_set, + scan_loop, and load_mems_and_recount_loop_regs_set. + (scan_loop): Call load_mems directly and loop_regs_scan + again if new registers created. + +2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk> + + * toplev.c (main): Call the front-end specific post_options + hook if one is given. + * toplev.h (struct_lang_hooks, lang_hooks): New. + * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks + for the C front end. + * cp/decl2.c (cxx_post_options, lang_hooks): Implement + lang_hooks for the C++ front end. + * objc/objc-act.c (objc_post_options, lang_hooks): Implement + lang_hooks for the ObjC front end. + * f/com.c (lang_hooks): Hooks for the Fortran front end. + * java/lang.c (lang_hooks): Hooks for the Java front end. + +2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lex.c (init_c_lex): Request #define / #undef callbacks + for verbose DWARF[2] debugging. + (cb_define, cb_undef): The new callbacks. + * toplev.h (debug_define, debug_undef): Make const correct. + * toplev.c (debug_define, debug_undef): Similarly. Do not + perform the verbosity tests here anymore. + +2001-01-07 Alexandre Oliva <aoliva@redhat.com> + + * reload.c (subst_reloads): Take INSN argument. When + replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note. + * reload.h (subst_reloads): Adjust prototype. + * reload1.c (reload_as_needed): Pass INSN to subst_reloads. + * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes + present in JUMP_INSNs and copy them to JUMP_LABEL. + * flow.c (find_label_refs, find_basic_blocks_1): Skip + JUMP_INSNs and insns with REG_LABELs that are followed by + JUMP_INSNs with the same REG_LABEL. + * sched-rgn.c (is_cfg_nonregular): Likewise. + * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL + note is available. + * unroll.c (unroll_loop): Look for REG_LABEL notes in + JUMP_INSNs too. + * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs. + +2001-01-06 Richard Henderson <rth@redhat.com> + + * loop.c (scan_loop): Use xcalloc for the regs array. + (load_mems_and_recount_loop_regs_set): Zero the new memory + received from xrealloc. + +2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk> + + * mkdeps.c (deps_add_dep): Fix vector re-allocation. + +Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com> + + * integrate.c (copy_rtx_and_substitute): When copying + an ignored return value, strip REG_FUNCTION_VALUE_P. + +2001-01-06 Michael Hayes <mhayes@redhat.com> + + * loop.c (debug_biv, debug_giv): New. + (loop_biv_dump): Break out from ... + (record_biv): ... here. + (loop_giv_dump): Break out from ... + (record_giv): ... here. + (loop_bivs_check): Use print_simple_rtl. + * unroll.c (loop_iterations): Use print_simple_rtl. + +2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.md (return, return_internal): Modify patterns to prevent regrename + mucking with the return pointer. + +2001-01-05 Richard Henderson <rth@redhat.com> + + * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change. + +Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com> + + * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster + version supplied by Matteo Frigo. + +2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpp.texi: Update for -MQ. + * cppinit.c (cpp_create_reader): Always create pfile->deps. + (cpp_cleanup): Always free pfile->deps. + (initialize_dependency_output): Don't create pfile->deps. + (cpp_handle_option): Similarly. + (OPT_MQ): New. + * gcc.c (cpp_options): Handle -MQ. + (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ. + * mkdeps.c (base_name): Remove. + (deps_init): Don't allocate vector space until it's needed. + (deps_free): Only free vectors if allocated. + (deps_add_target, deps_add_dep): Update for initial allocation. + (deps_add_default_target): Don't strip to the base_name. + +2001-01-05 DJ Delorie <dj@redhat.com> + + * config/v850/v850.h (RETURN_ADDR_RTX): Define. + (INIT_EXPANDERS): Define. + + * config/v850/v850.c (struct machine_function): Define. + (v850_save_machine_status): New function. + (v850_restore_machine_status): New function. + (v850_return_addr): New function. + (v850_init_expanders): New function. + + * config/v850/v850-protos.h: Add prototypes for v850_return_addr + and v850_init_expanders. + +2001-01-05 Zack Weinberg <zack@wolery.stanford.edu> + + * cpplib.h (struct cpp_reader): Add help_only field. + * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version. + (cpp_handle_option): Set pfile->help_only if we see -h, + --help, -target-help, or --version. Print version string but + do not set help_only if we see -v or -version. Make text + printed by -v match that printed by (-)-version. + + * cppmain.c (main): Exit after option parsing if + pfile->help_only is true. + + * toplev.c (independent_decode_option): Call print_version, + then exit, if we see --version (but not -version). + (print_version): Split lengthy message into two lines. + +2001-01-05 Nick Clifton <nickc@redhat.com> + + * config/v850/v850.c (v850_encode_data_area): Use alloca to create + temporary string for initialisation before calling ggc_alloc_string. + +2001-01-06 Michael Hayes <mhayes@redhat.com> + + * rtl.h (print_simple_rtl): New. + * print-rtl.c (print_simple_rtl): New. + (flag_simple): New. + (print_rtx): Disable printing of flags and modes, etc., + if `flag_simple` nonzero. + +2001-01-05 Zack Weinberg <zack@wolery.stanford.edu> + + * function.c (fixup_var_refs): Use push_to_full_sequence where + possible. + +2001-01-05 Michael Meissner <meissner@redhat.com> + + * flags.h (flag_reorder_blocks): Add declaration. + (flag_rename_block): Ditto. + +2001-01-05 DJ Delorie <dj@redhat.com> + + * function.c (reorder_blocks): Make sure the flags are all reset + before using them to mark blocks, else a second invocation will + corrupt the block chain. + (reorder_blocks_0): New, resets the flags. + +Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com> + + * cse.c (find_comparison_args): Stop if the argument is known to + be constant. + +2001-01-05 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.md (movdf): When splitting load into pair of + registers, don't clobber the register used in the address too + early. + +2001-01-05 Jeffrey Oldham <oldham@codesourcery.com> + + * varasm.c (mark_constant_pool): Improve initial comments. + (mark_constants): Move marking of constants to mark_constant. + (mark_constant): New function to recursively mark all constants + referred to by a constant. + +2001-01-05 Catherine Moore <clm@redhat.com> + + * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG. + +2001-01-05 Phil Edwards <pme@sources.redhat.com> + + * cp/lang-options.h: Bring comment in line with reality. + * f/lang-options.h: Likewise. + * java/lang-options.h: Likewise. + * objc/lang-options.h: Likewise. + * ch/lang-options.h: Likewise. + * f/g77.texi: And update the manual. + +2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl> + Denis Chertykov <denisc@overta.ru> + + * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype. + * config/avr/avr.c (avr_peep2_scratch_safe): New function. + * config/avr/avr.md (all peepholes that request a scratch register): + Call it, FAIL the peephole if not safe (in interrupt functions). + +2001-01-05 Mark Mitchell <mark@codesourcery.com> + + * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now. + +2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk> + + * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG): + Define. + * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ, + BUILT_IN_CREAL and BUILT_IN_CIMAG. + * c-common.c (c_common_nodes_and_builtins): Create builtin conjf, + conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl. + (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and + BUILT_IN_CIMAG. + * extend.texi: Document these builtins. + +2001-01-05 Daniel Berlin <dberlin@redhat.com> + + * c-common.c (lang_get_alias_set): Say we know nothing of + VECTOR_TYPE aliasing. + + * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly. + +2001-01-05 Bruce Korb <bkorb@gnu.org> + + * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to + their x* equivalent versions for atexit-less systems + * fixinc/fixincl.c(main): do not return from main() on atexit-less + systems (or any other system any more). + +2001-01-05 Richard Earnshaw <rearnsha@arm.com> + + * arm.md (ldmsi_postinc): Avoid use of match_dup between input and + output operands. Use arm_hard_register_operand for operand 4. + (stmsi_postinc): Similarly. + (ldmsi): Use arm_hard_register_operand for opernand 2. + (stmsi): Similarly. + * arm.c (arm_hard_register_operand): New function. + * arm-protos.h (arm_hard_register_operand): Prototype it. + + * arm.h (HARD_REGNO_RENAME_OK): Define. + +Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz> + + * simplify-rtx.c (cfc_args): add "unordered" field. + (check_fold_consts): Set unordered field. + (simplify_relational_operation): Simplify the unordered + comparisons. + + * reg-stack.c (swap_rtx_condition): Ensure that the transformation + is valid. + + * emit-rtl.c (try_split): Fix code to mark labels. + * jump.c (mark_jump_label): Make global. + * rtl.h (mark_jump_label): Declare. + + * predict.c (estimate_probability): Handle unordred comparisons. + +2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpp.texi: Update for -MP. Clarify behaviour of -MT. + * cppinit.c (initialize_dependency_output): Update. + (cpp_finish): Output dummy targets for -MP. + (OPT_MP): New. + (cpp_handle_option): Handle -MP. Don't quote -MT options. + * cpplib.h (struct cpp_options): Add deps_phony_targets. + * gcc.c (cpp_options): Update to handle -MP. + * mkdeps.c (deps_add_target, deps_add_default_target): Update + to quote only the default target. + (deps_phony_targets): Insert a preceding newline. Rename from + deps_dummy_targets for consistency. + * mkdeps.h: Update + +2001-01-05 Alexandre Oliva <aoliva@redhat.com> + + * calls.c (emit_library_call_value_1): Support + INIT_CUMULATIVE_LIBCALL_ARGS. + * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it. + +2001-01-04 Richard Henderson <rth@redhat.com> + + * c-decl.c (finish_struct): Detect flexible array members + used in an inappropriate context. + * c-typeck.c (really_start_incremental_init): Special case + constructor_max_index for zero length arrays. + (pop_init_level): Allow initialization of flexible array + members. Deprecate initialization of zero length arrays. + Don't issue missing initializer warning for flexible array + members or zero length arrays. + (process_init_element): Don't dereference null DECL_SIZE. + * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT. + Don't abort for empty constructors. Use size_binop + (output_constructor): Add commentary regarding zero length + array futures. Abort if we try to initialize an array of + unspecified length with a non-empty constructor in the middle + of a structure. + + * extend.texi (Zero Length): Update and clarify documentation + on static initialization. + +2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR + with more than 32767 words of local storage. + +2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support + for 'abs', 'labs', and 'fabs'. + (c4x_expand_builtin): Likewise. + * config/c4x/c4x.h (enum c4x_builtins): Likewise. + +2001-01-05 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.md (prget, prset): New insn types. + (return delay slot): Don't allow prset. + (call, sfunc delay slot): Don't allow prget. + (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives + for prset and prget. + +2001-01-05 Michael Hayes <mhayes@redhat.com> + + * loop.h (struct loop_reg): New. + (struct loop_regs): Change to use array of `struct loop_reg'. + * loop.c: Replace assortment of varrays with single regs array. + (count_one_set): Delete may_not_move array argument + and use regs array instead. All caller's changed. + (count_loop_regs_set): Delete may_not_move and single_usage + arguments and use regs array instead. All caller's changed. + (find_single_use_in_loop): Replace usage array argument with pointer + to regs structure. All caller's changed. + (loop_optimize): Delete `moved_once' array. + +2001-01-05 Michael Hayes <mhayes@redhat.com> + + * loop.c (prescan_loop): Set loop_info->has_nonconst_call. + Use it instead of loop_info->has_call for scanning loop mems. + (check_dbra_loop): Replace loop_info->has_call test with + loop_info->has_nonconst_call. + +2000-01-04 Matthew Hiller <hiller@redhat.com> + + * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used + for TARGET_SH3E. + +2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk> + + * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST, + use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND. + +2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define. + (flag_short_double, flag_short_wchar): Define. + (c_common_nodes_and_builtins): Create many tree nodes shared + between C and C++ here instead of in cp/decl.c and ... + * c-decl.c (init_decl_processing): ... here. + (SIZE_TYPE, WCHAR_TYPE): Don't define. + (flag_short_double, flag_short_wchar): Don't define. + (record_builtin_type): New function. + (build_void_list_node): New function. + * c-common.h (flag_short_double, flag_short_wchar, + record_builtin_type, build_void_list_node): Declare. + +Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com> + + * integrate.c (expand_inline_function): Don't put a virtual + register into the reg map. + + * function.c (fixup_var_refs_1): If force_operand didn't put + the address into the target, move it there. + +2001-01-04 Mark Mitchell <mark@codesourcery.com> + + Special-case tree_decl/tree_list allocations. + * ggc-page.c (OBJECT_PER_PAGE): Reimplement. + (OBJECT_SIZE): New macro. + (NUM_EXTRA_ORDER): Likewise. + (extra_order_size_table): New variable. + (NUM_ORDERS): New macro. + (objects_per_page_table): New variable. + (object_size_table): New variable. + (G.pages): Use NUM_ORDERS to bound the array. + (G.page_tails): Likewise. + (DIV_ROUND_UP): Remove. + (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP. + (alloc_page): Use OBJECT_SIZE. + (size_lookup): Don't make it const. + (ggc_alloc): Use OBJECT_SIZE. + (ggc_set_mark): Likewise. + (ggc_get_size): Likewise. + (init_ggc): Set up the object_size_table, objects_per_page_table, + and adjust size_lookup. + (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP. + (ggc_pop_context): Use NUM_ORDERS. + (clear_marks): Likewise. + (sweep_pages): Likewise. + (poison_pages): Likewise. + (ggc_print_statistics): Use OBJECT_SIZE. + +Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes. + Only call array_size_for_constructor if last field and array type + with no upper bound. + +2001-01-04 Philip Blundell <philb@gnu.org> + + * config/arm/arm.c (arm_gen_constant): Prefer to emit constants + from bit 31 downwards, if this requires no more insns. + (count_insns_for_constant): New helper function for above. + +2001-01-04 Alexandre Oliva <aoliva@redhat.com> + + * gencodes.c (output_predicate_decls): Remove empty initializer. + +2001-01-04 Mark Mitchell <mark@codesourcery.com> + + * tree.c (copy_node): Remove documentation about obstacks. + (buidl1): Check that nobody tries to build 2-argument nodes this + way. + +2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and + fp_high_losum_p. + + * gencodes.c (output_predicate_decls): Fill empty initializer + braces. + +2001-01-04 Jakub Jelinek <jakub@redhat.com> + + * tradcpp.c (deps_file, print_deps_missing_files): New variables. + (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M + or -MM. + (do_include): Handle missing headers like cpp0. + * cppfiles.c (_cpp_execute_include): Don't prefix absolute header + paths with first include pathname. Don't strcat to uninitialized + string. + +2001-01-04 Bernd Schmidt <bernds@redhat.com> + + * regrename.c (regrename_optimize): Don't rename from frame pointer + if frame_pointer_needed. + (do_replace): Don't set ORIGINAL_REGNO to a hard register number. + * config/ia64/ia64.c (emit_all_group_insn_barriers): New function. + (ia64_reorg): Use it instead of scheduling if ! optimize. + (errata_emit_nops): Properly call asm_noperands. + (ia64_sched_reorder): Finish cycle if we see an asm. + (ia64_variable_issue): Clear scheduling state after asms. + +2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpp.texi: Update for -MT. + * cppinit.c (initialize_dependency_output): Add a default + target if none has been given already. + (no_tgt, OPT_MT): New. + (cpp_handle_option): Handle -MT. Update -M etc. + * cpplib.h (struct cpp_options): Remove deps_target. + * gcc.c (cpp_options): Handle -MT. + * mkdeps.c (struct deps): Move from mkdeps.h. + (deps_calc_target): Rename deps_add_default_target. Add a + default target if none has been specified already. + * mkdeps.h (struct deps): Move to mkdeps.c. + (deps_calc_target): Rename deps_add_default_target. + +2000-01-03 Richard Henderson <rth@redhat.com> + + * c-decl.c (grokdeclarator): Give zero-length arrays size zero. + Remove dead code. + * c-typeck.c (push_init_level): Move checks for flexible array + members and zero length arrays ... + (pop_init_level): ... here. Silently discard empty initializations. + Remove dead code. + * varasm.c (output_constructor): Update for sizeof change to + zero-length arrays. + + * extend.texi (Zero Length): Clarify semantics. + +2001-01-03 Alexandre Oliva <aoliva@redhat.com> + + * configure.in (tm.h): Include isns-codes.h last. + * configure: Rebuilt. + +2001-01-03 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.md (addvsi3, addvdi3): New. + (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New. + +2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * tradcpp.c (main): Make sure finclude() is called with a valid + indepth value while handling -include. + +2001-01-03 Alexandre Oliva <aoliva@redhat.com> + + * gencodes.c (output_predicate_decls): New function. + (main): Call it. + * machmode.h (GET_MODE_MASK): Arrange for it to be defined + even if it is not the first time machmode.h is #included. + * config/sh/sh.c (fpul_operand): Declare MODE argument. + * tm.texi (PREDICATE_CODES): Document predicate declarations. + * gcc.texi (Copyright): Added 2001. + +2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (c_common_lang_init): New function. Warn if format + warning options which only have effects when used with -Wformat + are used without -Wformat. + * c-common.h (c_common_lang_init): Declare. + * c-lang.c (lang_init): Call c_common_lang_init. + * objc/objc-act.c (lang_init): Call c_common_lang_init. + +2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk> + + * configure.in: Check for the mktemp command. + * configure: Regenerate. + * gccbug.in: Use a separate temporary file $TEMP0 for one use of + $TEMP. Create temporary files with mktemp, if available at + configure time; otherwise use set -C. Remove temporary files + before exit. + +2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk> + + * configure.in: Require at least texinfo 4.0. Check for whether + Pod::Man is sufficiently recent to regenerate GCC manpages. + * configure: Regenerate. + * Makefile.in (TEXI2POD): Call perl explicitly rather than relying + on #!. + (GENERATED_MANPAGES): Define. + (generated-manpages): New target. Depend on cpp.1 as well as + gcov.1. + (install-man): Depend on $(GENERATED_MANPAGES) (defined by + configure to generated-manpages or empty) rather than on the + manpages directly. Remove execute permission from installed + gcov.1 as well as cpp.1. + * cpp.1, gcov.1: Regenerate. + +2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (expand_builtin_strncmp): Use host_integerp and + tree_low_cst. Allow using cmpstrsi in more cases. + +Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable + sized types. + +Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com> + + * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'. + * Makefile.in (HOST_CFLAGS): Mention build-make. + +Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore + as JUMP_INSN. + +2001-01-01 Bernd Schmidt <bernds@redhat.com> + + * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on + a REG rtx. + + * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All + callers changed. + + * alias.c (throughout): Use ORIGINAL_REGNO when accessing + reg_base_value and reg_known_value arrays. + (init_alias_analysis): Add more cases to detect known values. + * sched-deps.c (deps_may_trap_p): New function. + (sched_analyze_2): Use it. + +2001-01-03 Alexandre Oliva <aoliva@redhat.com> + + * combine.c (simplify_shift_const): Even if we're sign-extracting, + don't discard an ASHIFTRT if we're shifting in a wider mode. + +2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * toplev.c (rest_of_compilation): Don't print basic block information + when CFG isn't up to date. + +2001-01-02 Mark Elbrecht <snowball3@bigfoot.com> + + * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define. + (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define. + (UNALIGNED_SHORT_ASM_OP): Define. + (CPP_PREDEFINES): Remove defines for GO32 and DJGPP. + +2001-01-02 Mark Mitchell <mark@codesourcery.com> + + * fold-const.c (fold_convert): Fix typo. + +2001-01-02 Richard Henderson <rth@redhat.com> + + * c-common.h (ASM_INPUT_P): New. + * c-parse.in (asm): Set it when needed. + * c-semantics.c (genrtl_asm_stmt): Test it instead of the + existence of an operand. + +Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz> + + * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY. + (dwarf2out_frame_debug_expr): Likewise. + (mem_loc_descriptor): Handle PRE and POST_MODIFY. + +Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_split_to_parts): Return number of part required; + handle TFmodes. + (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle + TFmodes. + (ix86_split_long_move): Use number of part returned + by ix86_split_to_parts + * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE): + New macros. + (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double + (LONG_DOUBLE_TYPE_SIZE): Change from constant. + (MAX_LONG_DOUBLE_TYPE_SIZE): New macro. + (INTEL_EXTENDED_IEEE_FORMAT): Likewise. + (ALIGN_MODE_128): Add TFmode. + (IS_STACK_MODE): Likewise. + (HARD_REGNO_NREGS): TFmode needs 3 registers. + (HARD_REGNO_OK): Support TFmodes. + (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes. + * i386.md (scheduler definitions): Use memory operand to determine + fst/fld instructions; use mode attribute to determine real mode of + the instruction. + (*tf): New patterns, expanders and splitters; based on XFmode patterns. + * invoke.texi (128bit-long-double, 96bit-long-double): Document. + +2001-01-02 Mark Mitchell <mark@codesourcery.com> + + * tree.def (TRUTH_NOT_EXPR): Improve documentation. + +Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu. + + * expr.c (store_constructor_field): Update ALIGN before calling + store_constructor. + +2001-01-02 Jeffrey Oldham <oldham@codesourcery.com> + + * config/mips/mips.c (function_arg): Don't pass NULL_TREE to + host_integerp. + +2001-01-02 Jeffrey Oldham <oldham@codesourcery.com> + + * tm.texi (FUNCTION_ARG): Document that @var{type} can be an + incomplete type. + +Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu. + + * c-decl.c (start_function): Don't warn on third parameter to main. + +2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * tsystem.h: Define HAVE_DECL_GETOPT. + +2001-01-02 Philip Blundell <pb@futuretv.com> + + * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber + of input operand. + +2001-01-02 Richard Henderson <rth@redhat.com> + + * alpha.md (*ze_and_ne): Duplicate insn condition to split. + +2001-01-02 Andreas Jaeger <aj@suse.de> + + * c-decl.c (c_decode_option): Remove support of + -Wmissing-noreturn. + + * toplev.c (documented_lang_options): Remove -Wmissing-noreturn. + (W_options): Add -Wmissing-noreturn here. + + * flow.c: Define lang_missing_noreturn_ok_p. + (check_function_return_warnings): Use it. + + * c-common.h: Declare lang_missing_noreturn_ok_p. + + * c-lang.c (c_missing_noreturn_ok_p): New function. + (lang_init): Set lang_missing_noreturn_ok_p. + + * invoke.texi (Warning Options): Document this. + +2000-12-27 Phil Edwards <pme@sources.redhat.com> + + * extend.texi (C++ Extensions): New node for C++ attributes; + describe init_priority and com_interface. + * invoke.texi: Remove -finit-priority as it now has zero effect. + * install.texi: Fix xref syntax. + * md.texi: Likewise. + +Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * config.gcc (sparc64-wrs-vxworks*): New case. + * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files. + + * config/sparc/sparc.c (sparc_override_options): Do support different + pointer and architecture size. + * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4. + (POINTERS_EXTEND_UNSIGNED): Define. + (Pmode): Test TARGET_ARCH64, not TARGET_PTR64. + (FUNCTION_MODE): Define to be Pmode. + * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI. + + * function.c (expand_function_end): Properly handle DECL_RESULT + and copy when ptr_mode != Pmode. + * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed. + +2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-common.c (c_common_nodes_and_builtins): Set prototype + parameters for __builtin_fputs, __builtin_fputc and + __builtin_fwrite. Don't declare plain fputc as a builtin. + +2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * loop.c (add_label_notes): Increment the label usage count when + a note is added to an insn which refers to a CODE_LABEL. + * gcse.c (add_label_notes): Likewise. + +2001-01-01 Andreas Jaeger <aj@suse.de> + + * loop.c (scan_loop): Use xmalloc to allocate movables. + +2001-01-01 Alexandre Oliva <aoliva@redhat.com> + + * tm.texi (REGISTER_MOVE_COST): Add a mode argument. + * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers. + * reload1.c (REGISTER_MOVE_COST): Likewise. + * regclass.c (REGISTER_MOVE_COST): Likewise. + (move_cost, may_move_in_cost, may_move_out_cost): Add mode + dimension. Adjust all users. + (init_reg_sets_1): Iterate on all modes. + * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust. + * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust. + * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust. + * config/arc/arc.h (REGISTER_MOVE_COST): Adjust. + * config/arm/arm.h (REGISTER_MOVE_COST): Adjust. + * config/avr/avr.h (REGISTER_MOVE_COST): Adjust. + * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust. + * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust. + * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust. + * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust. + * config/i386/i386.h (REGISTER_MOVE_COST): Adjust. + * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust. + * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust. + * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust. + * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust. + * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust. + * config/mips/mips.h (REGISTER_MOVE_COST): Adjust. + * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust. + * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust. + * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust. + * config/pa/pa.h (REGISTER_MOVE_COST): Adjust. + * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust. + * config/pj/pj.h (REGISTER_MOVE_COST): Adjust. + * config/romp/romp.h (REGISTER_MOVE_COST): Adjust. + * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust. + * config/sh/sh.h (REGISTER_MOVE_COST): Adjust. + * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust. + +2001-01-01 Bernd Schmidt <bernds@redhat.com> + + * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of + arg VARIES_P. Call it with extra arg. + (true_dependence): Likewise. + * rtl.h (rtx_addr_can_trap_p): Declare. + (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update + prototypes. + * rtlanal.c (rtx_addr_can_trap_p): No longer static. + (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow + pic offset table register if it's zero. All callers changed. + (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed. + +Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * explow.c (convert_memory_address, case SYMBOL_REF): Copy + STRING_POOL_ADDRESS_P. + + * config/sparc/sparc.c (input_operand): Properly test for short op. + + * config.gcc (sparc-*-elf): Include sparc/sol2.h. + (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h. + (sparclite-*-elf*, sparc86x-*-elf*): Likewise. + * config/sparc/elf.h: No longer include sol2.h. + * config/sparc/lifeelf.h: No longer include sparc/elf.h. + * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise. + + * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64. + +2001-01-01 Michael Hayes <mhayes@redhat.com> + + * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds. + (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise. + (record_initial): Likewise. + * unroll.c (copy_loop_body, loop_iterations): Likewise. + (remap_split_bivs): Likewise. + +2001-01-01 Michael Hayes <mhayes@redhat.com> + + * loop.c (loop_ivs_free): New function. + (strength_reduce): Break out from... + +2001-01-01 Michael Hayes <mhayes@redhat.com> + + * loop.h (struct iv): New. + (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'. + (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info', + 'reg_biv_class' fields with 'regs' and 'n_regs'. + (struct ivs): Rename 'loop_iv_list' field to 'list'. + * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array. + * unroll.c (loop_iterations): Check array bounds with ivs->n_regs. + +2000-12-31 Alexandre Oliva <aoliva@redhat.com> + + * resource.c (mark_referenced_resources): Abort() before + attempting to mark a pseudo register. + (mark_set_resources): Likewise. + +2001-01-01 Michael Hayes <mhayes@redhat.com> + + * loop.h (REG_IV_CLASS): New accessor macro. + * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array. + * unroll.c (REG_IV_CLASS): Likewise. + +See ChangeLog.4 for earlier changes. |
