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.4 | |
| 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.4')
| -rw-r--r-- | contrib/gcc/ChangeLog.4 | 15261 |
1 files changed, 15261 insertions, 0 deletions
diff --git a/contrib/gcc/ChangeLog.4 b/contrib/gcc/ChangeLog.4 new file mode 100644 index 0000000..129c1f9 --- /dev/null +++ b/contrib/gcc/ChangeLog.4 @@ -0,0 +1,15261 @@ +2000-12-31 Philip Blundell <philb@gnu.org> + + * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Add missing asm + operands. + +2000-12-30 Richard Henderson <rth@redhat.com> + + * dbxout.c (dbxout_block): Invert logic on eliding LBRAC/RBRAC. + Initialize variables properly for DBX_LBRAC_FIRST. + +2000-12-30 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (expand_expr, case COMPONENT_REF): Fix typo in last change. + +2000-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (validate_arglist): New function, use it. + +2000-12-30 Philip Blundell <philb@gnu.org> + + * config/arm/arm.c (arm_expand_prologue): Fix typos in error + message and comment. Note location of testcase for an unhandled + situation. + +2000-12-30 Jeffrey Oldham <oldham@codesourcery.com> + + * defaults.h (BUILD_VA_LIST_TYPE): New definition. + * tree.c (build_common_tree_nodes_2): Ensure the va_list_type_node + is a copy, not an alias. + +2000-12-30 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * calls.c (calls_function_1, case CONSTRUCTOR): New case. + + * alias.c (alias_sets_conflict_p): New function. + (mems_in_disjoint_alias_sets_p): Use it. + (readonly_fields_p): Moved from expr.c; check for record type. + (objects_must_conflict_p): New function. + * calls.c (expand_call): Use assign_temp as much as possible, use + readonly variant if assigned once, and don't set memory attributes. + (emit_library_call_value_1, store_one_arg): Likewise. + * integrate.c (expand_inline_function): Likewise. + * stmt.c (expand_asm_operands, expand_return): Likewise. + * expr.c (copy_blkmode_from_reg, store_constructor): Likewise. + (store_field, save_noncopied_parts, expand_expr): Likewise. + (expand_expr_unaligned): Likewise. + (readonly_fields_p): Moved to alias.c. + (safe_from_p): Rework handling of SAVE_EXPR. + MEMs ony conflict if alias sets conflict; likewise for INDIRECT_REF. + * function.c (struct temp_slot): Delete field ALIAS_SET; add TYPE. + (assign_stack_for_temp): Use objects_must_confict_p. + Set all memory attributes from type, if specified. + (mark_temp_slot): Mark TYPE field. + * tree.h (alias_sets_conflict_p, readonly_fields_p): New decls. + (objects_must_conflict_p): Likewise. + + * stmt.c (expand_decl): Don't use assign_stack_temp in error case. + (add_case_node): No need to copy nodes anymore. + +2000-12-30 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.c (split_branches): Don't dereference re-computed + `beyond' before checking it's non-NULL. + +2000-12-29 Robert Lipe <robertl@sco.com> + + Remove COFF support from i?86-pc-sco3.2v5. + * i386/sco5.h (PREFERRED_DEBUGGING_TYPE): Change to Dwarf II. + (TARGET_ELF): Now always true. + (SUBTARGET_SWTICHES: )Remove -mcoff. + + * i386/t-sco5 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, + MULTILIB_EXCEPTION): Nuke coff. + (CRTSTUFF_T_CFLAGS_S): Deleted. + (TARGET_LIBGCC2_CFLAGS): Added. + +2000-12-29 Alexandre Oliva <aoliva@redhat.com> + + * varasm.c (output_constant_def): Don't ENCODE_SECTION_INFO + twice. Update desc->rtl and ->label, in case ENCODE_SECTION_INFO + modifies them. + +2000-12-29 Bernd Schmidt <bernds@redhat.com> + + * ia64.c (ia64_expand_load_address): Accept additional scratch + register argument. All callers & prototype changed. + Use scratch register when generating load_symptr insns. + * ia64.md (movdi_symbolic): Clobber a scratch register. Use it + when calling ia64_expand_load_address. + (movdi): Generate movdi_symbolic with additional operand. + (load_gprel64): Use pic_offset_table_rtx instead of (reg:DI 1). + (load_symptr): Likewise. Use additional operand as a scratch + register instead of generating it here. + + * basic-block.h: Add a comment. + * flow.c (PROP_POSTRELOAD): New macro. + (update_life_info): Add it to prop_flags. + (mark_set_1): If it is set, compute REG_N_SETS for the original + register number of a hard reg. + + * emit-rtl.c (gen_raw_REG): New function. + (gen_rtx_REG, gen_reg_rtx, init_emit_once): Use it instead of + gen_rtx_raw_REG. + * print-rtl.c (print_rtx): Print ORIGINAL_REGNO. + * final.c (alter_subreg): Update it. + * regrename.c (do_replace): Likewise. Use gen_raw_REG. + * rtl.def (REG): Update comment. + * rtl.h (X0UINT, ORIGINAL_REGNO): New macros. + (gen_raw_REG): Declare. + +2000-12-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * tree.c (get_set_constructor_bits): Use host_integerp and + tree_low_cst. + + * local-alloc.c (update_equiv_regs): Don't use copy_rtx on PATTERN. + + * toplev.c (main): Call xmalloc_set_program_name. + * gcc.c (main): Likewise. + +2000-12-29 Philip Blundell <philb@gnu.org> + + * config/arm/arm.c (arm_override_options): Fix typo in warning + message. + +2000-12-29 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (alpha_expand_block_move): Initialize + src_align and dst_align in bits. Do unaligned quadword loads + if possible for BWX too. + (alpha_expand_block_clear): Initialize align in bits. Track + small leading offsets into a larger alignment. Play games with + stq_u for large 4-byte aligned blocks. Use load/mask/store + for appropreately aligned heads and tails. + +2000-12-29 Alexandre Oliva <aoliva@redhat.com> + + * function.c (assign_parms): Convert arguments passed by + reference to the right mode. + +2000-12-28 Geoffrey Keating <geoffk@redhat.com> + + * c-parse.in (select_or_iter_stmt): Use truthvalue_conversion + on the condition of a FOR statement, so that it gets typechecked + and optimised. + +2000-12-29 Alexandre Oliva <aoliva@redhat.com> + + * c-decl.c (grokdeclarator): Prevent crash in case of overflow in + array size. + + * calls.c (emit_library_call_value_1): Add to call_fusage the + stack slot assigned to argument passed by reference. + +2000-12-28 Jeffrey Oldham <oldham@codesourcery.com> + + * toplev.h (extern really_sorry): Remove extern declaration for + nonexistent function. + +2000-12-28 Jeffrey Oldham <oldham@codesourcery.com> + + * varasm.c (initializer_constant_valid_p): Indicate subtraction of + pointers to the same string constant is absolute. + +2000-12-28 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (enum format_type): Add strfmon_format_type. + (decl_attributes): Handle format attributes strfmon and + __strfmon__. + (FMT_FLAG_USE_DOLLAR, FMT_FLAG_ZERO_WIDTH_BAD, + FMT_FLAG_EMPTY_PREC_OK): Define. + (format_char_info): Update comment for flag_chars. + (format_flag_spec): Add skip_next_char. + (format_kind_info): Add left_precision_char. + (printf_flag_specs, scanf_flag_specs, strftime_flag_specs, + format_types): Update for these new structure members and flags. + (time_char_table): Make const. + (strfmon_length_specs, strfmon_flag_specs, strfmon_flag_pairs, + monetary_char_table): New. + (format_types): Add details of strfmon formats. + (init_function_format_info): Create default attribute for strfmon. + (check_format_info_main): Check the new flags. Handle + skip_next_char and left precision. + * toplev.c (documented_lang_options): Update description of + -Wformat. + * extend.texi: Document strfmon format attributes. Document + attribute forms such as __printf__. Clarify format_arg attribute + documentation. + * invoke.texi (-Wformat): Update for strfmon formats. + +2000-12-28 Andreas Jaeger <aj@suse.de> + + * expmed.c (store_bit_field): Fix last patch. + +2000-12-28 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/crt1.asm (start_l): `__SH4_SINGLE_ONLY__' was missing + the trailing `__'. + +2000-12-28 Alan Lehotsky <lehotsky@tiac.net> + + * expmed.c (store_bit_field): Correctly compute smallest mode that + is sufficient to contain all bits we are storing. + +2000-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (build_function_call_expr): New function. Use it + everywhere in lieu of manually constructing a CALL_EXPR. + +2000-12-27 Chandrakala Chavva <cchavva@redhat.com> + + * calls.c (store_one_arg): If parm is passed both in stack and in + register and offset is greater than reg_parm_stack_space, split + the offset and call emit_push_insn(). + +2000-12-27 Nick Clifton <nickc@redhat.com> + + * ifcvt.c (noce_emit_store_flag): Handle jump insns that are + PARALLEL. + +2000-12-27 Alexandre Oliva <aoliva@redhat.com> + + * rtl.c (copy_most_rtx, shallow_copy_rtx): Copy frame_related + flag. + +2000-12-27 Bruce Korb <bkorb@gnu.org> + + * fixinc/Makefile.in: fix for ancient Bourne shell + * fixinc/Makefile.BEOS: obsolete + * fixinc/Makefile.DOS: obsolete + * fixinc/fixincl.sh(LINKS): use `test -d' rather than `ls' for testing + +2000-12-27 Bernd Schmidt <bernds@redhat.com> + + * sched-deps.c (get_condition, conditions_mutex_p): New functions. + (add_dependence): Use them to avoid adding unnecessary dependencies + between conditionally executed insns. + (sched_analyze_1, sched_analyze_2, sched_analyze_insn): Don't free + dependency lists if current insn is a COND_EXEC. + +2000-12-27 Geoffrey Keating <geoffk@redhat.com> + + * config/rs6000/rs6000.md (define_attr "length"): Correct + calculation. + +2000-12-26 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c: Fix a comment typo. + (get_shift_alg): Fix a typo in the assembly code for 12-bit + ASHIFTRT in HImode. Do not output extra whitespace after one line + of assembly code. Output a tab after an opcode instead of a + space. + (emit_a_shift): Output a tab after an opcode instead of a space. + +2000-12-23 Marek Michalkiewicz <marekm@linux.org.pl> + + * config/avr/avr.c (out_movqi_r_mr, out_movhi_r_mr, out_movsi_r_mr, + out_movsi_mr_r, out_movqi_mr_r, out_movhi_mr_r): Use %o instead of + %4 in output templates, do not modify operands passed by the caller. + +2000-12-23 Joseph S. Myers <jsm28@cam.ac.uk> + + * builtins.def (BUILT_IN_LABS, BUILT_IN_LLABS, BUILT_IN_IMAXABS): + Don't define. + * builtins.c (expand_builtin): Don't handle BUILT_IN_LABS, + BUILT_IN_LLABS and BUILT_IN_IMAXABS. + * c-common.c (c_common_nodes_and_builtins): Use BUILT_IN_ABS for + builtin labs, llabs and imaxabs. + (expand_tree_builtin): Don't handle BUILT_IN_LABS, BUILT_IN_LLABS + and BUILT_IN_IMAXABS. + +2000-12-23 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (builtin_function_2): New function. + (c_common_nodes_and_builtins): Use it to define each pair (foo, + __builtin_foo) of builtins in one place. + +2000-12-22 Joseph S. Myers <jsm28@cam.ac.uk> + + * gccbug.in: Add libgcj and preprocessor categories. + +2000-12-22 Bernd Schmidt <bernds@redhat.com> + + * config/ia64/ia64.c (itanium_reorder): Only schedule stops in + the final scheduling pass. + +2000-12-22 Nick Clifton <nickc@redhat.com> + + * config/arm/arm.h (struct machine_function): Add new field + 'lr_save_eliminated'. + * config/arm/arm.c (arm_compute_save_reg_mask): Do not include the + link register if its save has been eliminated. + (output_arm_prologue): Mention if the save of the link register + has been eliminated. + (output_arm_epilogue): Rename 'live_regs_mask' to + 'saved_regs_mask'. + Test 'saved_regs_mask' for the link register, not regs_ever_live. + (arm_expand_prologue): If the link register has not been saved set + lr_save_eliminated and emit a USE to prevent later passes from + scavenging it. + + * dwarf2out_frame_debug_expr: Allow the (scratch) frame + pointer to be initialised from the stack pointer plus a + constant. + +2000-12-22 Bernd Schmidt <bernds@redhat.com> + + * regrename.c (struct du_chain): New field "earlyclobber". + (enum scan_actions): Remove unused entry "note_reference". + (enum scan_actions_name): Likewise. + (note_sets, clear_dead_regs, merge_overlapping_regs): New static + functions. + (regrename_optimize): Use them to compute unavailable regs; get + rid of the more simpleminded code we used to have here. + Use a tick array to ensure registers are allocated in a more + round-robin way. Disable code that only optimizes registers + that were seen more than once. + (referenced_regs): Remove variable. + (scan_rtx_reg): New arg "earlyclobber". All callers changed. + Store its value in newly generated du_chain structures. + Add new du_chains at the end, not the start, of the list. + Don't handle the "note_reference" action. + (scan_rtx): New arg "earlyclobber". All callers changed. + (build_def_use): Lose code to keep track of referenced regs. + +2000-12-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (sched-deps.o, sched-rgn.o): Fix dependency typo. + + * fp-bit.h (usi_to_float): Add prototype. + + * i386.c (ix86_expand_builtin): Delete unused label. + + * dwarf2out.c (file_info_cmp): Prototype. + (dwarf2out_line): Hide variable `old_in_use'. + + * objc-act.c (objc_fatal): Delete. + + * sched-vis.c (visualize_stall_cycles): Remove unused variable. + + * system.h (getopt): Fix error in last change. + + * varasm.c (assemble_trampoline_template): Constify. + +2000-12-22 Jason Merrill <jason@redhat.com> + + * collect2.c (main): Use auto_demangling. + +2000-12-22 Alexandre Oliva <aoliva@redhat.com> + + * function.c (assign_parms): Update parm's DECL_INCOMING_RTL + when optimizing PARALLEL to REG. + +2000-12-22 Graham Stott <grahams@redhat.com> + + * reload.c (update_auto_inc_notes): New, broken out from ... + (find_reloads_address_1): ... use here, also correct possible + use of uninitialised reloadnum. + +2000-12-21 David O'Brien <obrien@FreeBSD.org> + + * config/freebsd.h (LIB_SPEC): remove -kthread option. + +2000-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * resource.c (mark_set_resources): Use MARK_SRC_DEST for + PRE_MODIFY and POST_MODIFY cases. + + * rtlanal.c (side_effects_p): Handle PRE_MODIFY and POST_MODIFY. + +2000-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * md.texi (Looping Patterns): New node. + +2000-12-21 Joseph S. Myers <jsm28@cam.ac.uk> + + * gcc.texi, cpp.texi: Update last-updated dates. + +2000-12-21 Chandrakala Chavva <cchavva@redhat.com> + + * varasm.c (output_addressed_constants): Use language specific + expander on unknown nodes. + +2000-12-21 Graham Stott <grahams@redhat.com> + + * combine.c (distribute_notes): Handle REG_NON_LOCAL_GOTO notes. + +2000-12-21 Bernd Schmidt <bernds@redhat.com> + + * Makefile.in (out_object_file): Depend on sched-int.h. + * rtl.h (single_set_1): New macro. + (single_set_2): Renamed from single_set_1 and extra argument added. + * rtlanal.c (single_set_2): Likewise. + + * config/ia64/ia64-protos.h (get_bundle_name, ia64_issue_rate, + ia64_adjust_cost, ia64_sched_init, ia64_sched_finish, + ia64_sched_reorder, ia64_sched_reorder2, ia64_variable_issue): + Declare. + * config/ia64/ia64.c: Include "sched-int.h". + (hard_regno_rename_ok): Also disallow renaming from the various + reg_save_* regs. + (ia64_safe_itanium_requiers_unit0, ia64_safe_itanium_class, + ia64_safe_type, init_insn_group_barriers, group_barrier_needed_p, + safe_group_barrier_needed_p, fixup_errata): New static functions. + (rtx_needs_barrier): Handle bundle selector and cycle display + insns. + (emit_insn_group_barriers): Accept additional FILE * arg. All + callers changed. Rework to only generate stop bits between + basic blocks that haven't been inserted by scheduling. + (struct bundle, struct ia64_packet): New structures. + (NR_BUNDLES, NR_PACKETS): New macros. + (bundle, packets, type_names): New static arrays. + (ia64_final_schedule): New variable. + (ia64_single_set, insn_matches_slot, ia64_emit_insn_before, + gen_nop_type, finish_last_head, rotate_one_bundle, rotate_two_bundles, + cycle_end_fill_slots, packet_matches_p, get_split, find_best_insn, + find_best_packet, itanium_reorder, dump_current_packet, schedule_stop): + New static functions. + (ia64_issue_rate, ia64_sched_init, ia64_sched_reorder, + ia64_sched_finish, ia64_sched_reorder2, ia64_variable_issue): New + functions. + (ia64_reorg): Perform a final scheduling pass. + * config/ia64/ia64.h (CONST_COSTS): Slightly increase SYMBOL_REF costs. + (MAX_CONDITIONAL_EXECUTE, ADJUST_COST, ISSUE_RATE, MD_SCHED_INIT, + MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_FINISH, + MD_SCHED_VARIABLE_ISSUE): Define macros. + (ia64_final_schedule): Declare variable. + * config/ia64/ia64.md (attr itanium_class): Add some more classes. + (attr type): Account for them. + (itanium_requires_unit0): New attribute. + (function units): Rewrite. + (some splitters): Don't create scheduling barriers here. + (gr_spill_internal, gr_restore_internal): Don't predicate the + pseudo-op. + (nop_m, nop_i, nop_f, nop_b, nop_x, cycle_display, cycle_display_1, + bundle_selector): New patterns. + (insn_group_barrier): Now has an operand. + +2000-12-21 DJ Delorie <dj@redhat.com> + + * dwarf2out.c (simple_decl_align_in_bits): new + (field_byte_offset): Try both the type align and the + decl align, use whichever works, preferring the type align. + +2000-12-21 Joseph S. Myers <jsm28@cam.ac.uk> + + * gccbug.in: Fix typo. + +2000-12-20 Benjamin Kosnik <bkoz@redhat.com> + + * Makefile.in (gcc_gxx_target_include_dir): Use instead of + build_tooldir and libstdcxx_incdir. + +2000-12-20 Robert Lipe <robertlipe@usa.net> + + * haifa-sched.c (schedule_block): Provide empty source statement + if not MD_SCHED_REORDER2. + +2000-12-20 Richard Henderson <rth@redhat.com> + + * rtl.h (REG_NON_LOCAL_GOTO): New. + * rtl.c (reg_note_name): Update. + * stmt.c (expand_goto): Emit a REG_NON_LOCAL_GOTO note. + * builtins.c (expand_builtin_longjmp): Likewise. + * flow.c (make_edges): Check for REG_NON_LOCAL_GOTO and do + not emit an edge. + +2000-12-20 Marek Michalkiewicz <marekm@linux.org.pl> + + * config/avr/avr.c (out_movsi_r_mr, out_movsi_mr_r, out_movhi_mr_r): + Do not output undefined opcodes where source or destination register + overlaps with modified pointer register. Handle (X + d) addresses. + * config/avr/avr.md (*movhi, *movsi, *movsf): Correct insn length + in alternatives with memory operand. + +2000-12-20 Richard Henderson <rth@redhat.com> + + * c-typeck.c (build_asm_stmt): New, broken out from ... + (c_expand_asm_operands): ... here. Just do rtl expansion. + (c_expand_return): Return the new stmt node. + (c_start_case, do_case): Likewise. + * c-common.c (c_expand_expr_stmt): Likewise. + * c-common.h: Update declarations. + * c-tree.h: Likewise. + * c-semantics.c (build_stmt): Use STMT_LINENO not TREE_COMPLEXITY. + * c-parse.in (fndef): Set DECL_SOURCE_LINE to the open brace. + (nested_function, notype_nested_function): Likewise. + (compstmt): Return the compound statement not the binding level. + (lineno_labeled_stmt): Simplify. + (lineno_stmt, lineno_label): Set STMT_LINENO. + (stmt, label): Return the new stmt node. + +2000-12-20 Bernd Schmidt <bernds@redhat.com> + + * Makefile.in (OBJS): Add sched-ebb.o. + (sched-ebb.o): New rule. + (sched-vis.o): Depend on hard-reg-set.h and $(BASIC_BLOCK_H). + (haifa-sched.o): Depend on insn-flags.h. + * haifa-sched.c: Include "insn-flags.h". + (priority): Don't access BLOCK_NUM, use the new contributes_to_priority + callback. + * rtl.h (schedule_ebbs): Declare. + * sched-int.h (struct sched_info): Add new members + contributes_to_priority and compute_jump_reg_dependencies. + * sched-rgn.c (contributes_to_priority, compute_jump_reg_dependencies): + New functions. + (region_sched_info): Add them. + * sched-vis.c: Include "hard-reg-set.h" and "basic-block.h". + * sched-ebb.c: New file. + * sched-deps.c (sched_analyze_insn): Add code to handle JUMP_INSNs. + + * flow.c (ior_reg_cond, and_reg_cond, elim_reg_cond): Properly + handle all relational operators. + +2000-12-20 Alexandre Oliva <aoliva@redhat.com> + + * final.c (output_addr_const): Use ASM_OUTPUT_SYMBOL_REF. + * tm.texi: Document it. + +2000-12-19 Benjamin Kosnik <bkoz@redhat.com> + + * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Use build_tooldir + instead of gcc_tooldir. + +2000-12-19 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * system.h (getopt): Update prototype to match include/getopt.h. + +2000-12-19 John David Anglin <dave@hiauly1.hia.nrc.ca> + + From Jeff Law. + * pa.c (basereg_operand): Simplify. + +2000-12-19 Bernd Schmidt <bernds@redhat.co.uk> + + * haifa-sched.c (rm_line_notes): Arguments are now head and tail, + not block number. All callers and prototype changed. + (set_priorities): Likewise. + (save_line_notes): Add head and tail arguments; all callers and + prototype changed. + (restore_line_notes): Likewise. Don't crash on insns generated + during scheduling. + (schedule_block): Don't use BLOCK_HEAD/BLOCK_END macros. + Call MD_SCHED_INIT with additional argument. + When starting a new cycle, emit cycle_display insns if available. + Don't stop scheduling when encountering a JUMP_INSN, but add another + call to schedule_more_p in the inner loop. + Call MD_SCHED_REORDER2 after scheduling an insn. + Call MD_SCHED_FINISH once all insns are scheduled. + (sched_init): Compensate for the fact that get_block_head_tail + doesn't include leading notes. + * sched-deps.c (free_deps): Free vectors here. + * sched-rgn.c (compute_block_backward_dependencies): Not here. + (last_was_jump): New static variable. + (schedule_more_p): Test it. + (init_ready_list): Initialize it. + (can_schedule_ready_p): Set it if we have a JUMP_INSN. + + * config/i386/i386.h (MD_SCHED_INIT): Add new arg. + * config/m32r/m32r.h (MD_SCHED_INIT): Add new arg. + * config/sparc/sparc.h (MD_SCHED_INIT): Add new arg. + + * md.texi (cycle_display): Document. + * tm.texi (MD_SCHED_INIT): Document new arg. + (MD_SCHED_FINISH, MD_SCHED_REORDER2): Document. + + * flow.c (ior_reg_cond, nand_reg_cond, not_reg_cond): Rewrite + to use different representation. All callers changed. + (and_reg_cond): Renamed from nand_reg_cond; caller changed. + (init_propagate_block_info): Don't test flags to determine + whether to compute conditional lifetimes. + Adjust code for new representation of conditional lifetimes. + (mark_regno_cond_dead): Similar adjustment. + (free_reg_cond_life_info): Similar adjustment. + (elim_reg_cond): New function. + (flush_reg_cond_1): Use it. + +2000-12-19 Catherine Moore <clm@redhat.com> + + * reload1.c (reload_combine): Take multi-hard-regs into account + when processing CALL_INSN_FUNCTION_USAGE. + +2000-12-19 Joseph S. Myers <jsm28@cam.ac.uk> + + * invoke.texi (-print-search-dirs): Make references to cpp refer + to cpp0 instead. + +2000-12-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * fold-const.c (tree_expr_nonnegative_p): Treat truth values as + non-negative. + +Tue Dec 19 00:37:08 2000 J"orn Rennecke <amylaar@redhat.com> + + * reload.c (push_reload): When using a dying register for the reload + register in an in-out reload, use outmode if wider than inmode. + +2000-12-19 Joseph S. Myers <jsm28@cam.ac.uk> + + * config/d30v/d30v.h (EXIT_BODY): Update comment. + +2000-12-18 Joseph S. Myers <jsm28@cam.ac.uk> + + * config.gcc (*-*-linux*): Don't define HAVE_ATEXIT or BSTRING. + * tm.texi (EXIT_BODY): Update documentation. + * config/freebsd.h, config/netware.h, config/arm/coff.h, + config/arm/conix-elf.h, config/arm/unknown-elf.h, + config/d30v/d30v.h, config/mcore/mcore.h, config/pj/pj.h, + sparc/sp86x-aout.h: Remove definitions of HAVE_ATEXIT (some + commented out) and associated comments. + +2000-12-18 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (STD_C9L, ADJ_STD): Define. + (printf_length_specs, scanf_length_specs): Mark "ll" as standard + STD_C9L. + (T99_LL): Rename to T9L_LL. + (T99_ULL): Rename to T9L_ULL. + (print_char_table, scan_char_table): Use T9L_LL and T9L_ULL + instead of T99_LL and T99_ULL. + (check_format_info_main): Use ADJ_STD on all format standard + versions being compared. + * c-common.h: Declare warn_long_long. + * c-tree.h: Don't declare warn_long_long. + +2000-12-18 Joseph S. Myers <jsm28@cam.ac.uk> + + * COPYING: Update to current + ftp://ftp.gnu.org/pub/gnu/Licenses/COPYING-2.0 (fixes references + to 19yy as example year in copyright notice). + +2000-12-18 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lex.c (cb_file_change): Treat in_system_header as strictly + boolean (0 or 1). + +2000-12-18 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppmain.c: Update print.lineno with -P. + +2000-12-18 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lex.c: s/change_file/file_change. + * cpplib.h: Similarly. + * cppmain.c: Similarly. + * fix-header.c: Similarly. + * cppfiles.c (stack_include_file): Pass the buffer location and + size to cpp_push_buffer. Generate the file_change callback, + so that sysp is already set. + * cpphash.h: Add _cpp_do_file_change. + * cpplib.c (do_line): Set buffer->sysp directly. Generate the + file_change callback after setting sysp. + (_cpp_do_file_change): Handle FC_ENTER and the FC_RENAME exception + here. + (cpp_push_buffer): Don't generate a callback. Clear sysp. + (cpp_pop_buffer): Clean up logic. + +2000-12-18 Benjamin Kosnik <bkoz@redhat.com> + + * configure.in (gcc_gxx_include_dir): Simplify. + (libstdcxx_incdir): Export. + * configure: Regenerate. + * Makefile.in (PREPROCESSOR_DEFINES): Add in + GPLUSPLUS_TOOL_INCLUDE_DIR bits here.. + (libstdcxx_incdir): Add. + * cppdefault.c (GPLUSPLUS_TOOL_INCLUDE_DIR): Add search path. + +2000-12-18 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lex.c (lex_lineno): Remove. + (init_c_lex, c_lex): Remove lex_lineno. + (cb_change_file): Update lineno correctly, both before calling + push_srcloc and before leaving the function. + (cb_def_pragma): Set lineno before outputting diagnostics. + +Sun Dec 17 18:45:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * print-tree.c (print_node): Print DECL_USER_ALIGN and TYPE_USER_ALIGN. + Print TYPE_MIN_VALUE and TYPE_MAX_VALUE for REAL_TYPE. + Use print_node_brief to print bounds. + +2000-12-17 Neil Booth <neil@daikokuya.demon.co.uk> + + * cpplib.h (struct cpp_reader): Remove references to string_pool + and temp_string_pool. + * cppinit.c (cpp_create_reader, cpp_cleanup): Similarly; using + ident_pool in place. + * cpplex.c (parse_number, unescaped_terminator_p, parse_string, + save_comment, cpp_token_as_text): Similarly. + * cpplib.c (do_define, glue_header_name, parse_assertion): Similarly. + * cppmacro.c (make_number_token, builtin_macro, lock_pools, + unlock_pools, stringify_arg, paste_tokens): Similarly. + +Sun Dec 17 12:41:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * dwarf2out.c (loc_descriptor_from_tree, case NOP_EXPR): New case. + (loc_descriptor_from_tree, case CONVERT_EXPR): Likewise. + (loc_descriptor_from_tree, case NON_LVALUE_EXPR): Likewise. + +2000-12-17 Richard Earnshaw <rearnsha@arm.com> + + * Makefile.in (check-po): Use $(MAKE). + (risky-stage1, risky-stage2, risky-stage3, risky-stage4): Likewise. + +2000-12-17 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppmain.c (check_multiline_token): New function. + (scan_buffer): Use it. + (cb_change_file): Restructure to avoid warning. + * cpperror.c (print_location): Initialize col. + +2000-12-14 Philipp Thomas <pthomas@suse.de> + + * protoize.c (main): Correctly set locale categories. + * gcc.c (main): Likewise. + * cppmain.c (general_init): Likewise. + * toplev.c (main): Likewise. + * gcov.c (main): Likewise. + * collect2.c (main): Likewise. + +2000-12-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-common.c (c_common_nodes_and_builtins): Create a + cstring_endlink, use it. Rename int_ftype_string_string to + int_ftype_cstring_cstring, string_ftype_string_int to + string_ftype_cstring_int, and string_ftype_string_string to + string_ftype_cstring_cstring. Prefer sizetype_endlink and + int_endlink to manually recreating them. Fix the prototype + set for __builtin_strspn/__builtin_strcspn. + +2000-12-12 Marek Michalkiewicz <marekm@linux.org.pl> + + * config/avr/avr.c (out_set_stack_ptr): Update comment. + (print_operand): Add support for %~ and %o. + +2000-12-17 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * c4x.h: Add ASM_OUTPUT_DEF definition for bounded pointer code. + +2000-12-17 Neil Booth <neil@daikokuya.demon.co.uk> + + * c-lex.c: Move main_input_filename handling to FC_ENTER. Clean up. + * cpperror.c (print_containing_files): Get right line number. + (print_location): Output column of 1 if 0. + * cppfiles.c (stack_include_file): cpp_push_buffer handles + the callback. + * cpphash.h (_cpp_do_file_change): No longer external. + * cpplib.c (do_file_change): Now local to cpplib.c. + (do_line): Fake a buffer stack for preprocessed files. + (cpp_push_buffer): Create a file_change callback. Handle faked + buffers. + (cpp_pop_buffer): Similarly. + * cpplib.h: BUF_FAKE: New buffer type. + * cppmain.c: Update to handle correct file renaming where a + #line is the first line of the main file, and produce only + the renamed file, not the original file, as output. + +2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.md: Remove redundant @s from output patterns. + +2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * config/c4x/c4x.h (REGISTER_TARGET_PRAGMAS): Call c4x_init_pragma. + + * config/c4x/c4x-protos.h (c4x_init_pragma): New prototype. + + * config/c4x/c4x.c (c4x_init_pragma): New function. + (c_lex_func): New variable. + (c4x_parse_pragma): Use c_lex_func. + +2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * config/c4x/c4x.h (MD_INIT_BUILTINS): Add void_list_node argument + to c4x_init_builtins. + + * config/c4x/c4x-protos.h (c4x_init_builtins): Add tree argument. + + * config/c4x/c4x.c (c4x_init_builtins): Add tree argument. + (c4x_output_ascii): Fix. + +2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * config/c4x/c4x.h (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Define. + + * config/c4x/c4x-protos.h (c4x_init_builtins): New prototype. + (c4x_expand_builtin): Likewise. + + * config/c4x/c4x.c (c4x_init_builtins): New function. + (c4x_expand_builtin): Likewise. + + * config/c4x/c4x.md (floatunsqihf2): New pattern. + (*floatqihf2_set, *fixhfqi_set, fix_trunchfqi2): Likewise. + (fixuns_trunchfqi2, toieee, frieee, *ldhf_conditional): Likewise. + (*ldhf_conditional_noov, movhfcc, trap, cond_trap_cc): Likewise. + (*toieee_movqf_clobber, *frieee_movqf_clobber): Likewise. + +2000-12-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * libgcc2.h: Use Wtype for SItype and DWtype for DItype in prototypes. + * libgcc2.c (__absvsi2): Use Wtype and DWtype. + (__absvdi2, __addvsi3, __addvdi3, __subvsi3): Likewise. + (__subvdi3, __mulvsi3, __mulvdi3, __negvsi2, __negvdi2): Likewise. + +2000-12-16 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Enclose the block + statement in do/while(0). + +Sat Dec 16 19:56:24 MET 2000 Jan Hubicka <jh@suse.cz> + + * i386.md (ashrsi3_cmpno, ashrhi3_cmpno, ashrqi3_cmpno, lshrsi3_cmpno, + lshrhi3_cmpno): Remove redundant '@' from the template. + + * i386.md (cmpstrsi_1): Fix type of the compare. + + * genattrtab.c (attr_rtx_cost): New function. + (simplify_test_exp): Avoid overactive inlining; use temporary + obstacks for tests. + +Sat Dec 16 10:41:11 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * diagnostic.c (finish_abort): Deleted. + (fatal): Add code from finish_abort. + (error_recursion, fancy_abort): Call fatal, not finish_abort. + (trim_filename): Remove leading "../". + * diagnostic.h (finish_abort): Deleted. + * toplev.c (crash_signal): Call fatal, not finish_abort. + + * stor-layout.c (place_field): Treat overflowing DECL_SIZE_UNIT + as if size were variable. + + * expmed.c (expand_mult): Write REG_EQUAL note with proper mode. + +2000-12-16 Neil Booth <neil@daikokuya.demon.co.uk> + + * tradcpp.c: T_WARNING: New. + (do_warning): New function. + (finclude): Skip past the newline and increase the line number + before calling output_line_command. + (do_line): Skip the new line after output_line_command. Don't + pre-decrement the line number. + +2000-12-15 Diego Novillo <dnovillo@redhat.com> + + * i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix references to + _GLOBAL_OFFSET_TABLE_ when using Intel syntax. + +2000-12-15 Jakub Jelinek <jakub@redhat.com> + + * gcc.c (cpp_options): Pass -fno-operator-names. + * cpplib.h (struct cpp_options): Add operator_names. + * cppinit.c (cpp_create_reader): Initialize it. + (initialize_builtins): If -fno-operator-names, don't add + C++ alternate operator names. + (COMMAND_LINE_OPTIONS): Add -fno-operator-names. + (cpp_handle_option): Clear operator_names. + +2000-12-15 Jason Merrill <jason@redhat.com> + + * jump.c (jump_optimize_1): Don't delete the line note after the + prologue even if it seems redundant. + + * config/arm/arm.c (arm_expand_prologue): Set RTX_FRAME_RELATED_P + on all insns used to adjust the stack. + +Fri Dec 15 15:32:16 MET 2000 Jan Hubicka <jh@suse.cz> + + * combine.c (cant_combine_insn_p): Get around SUBREGs when determining + hardreg<->reg moves. + +Fri Dec 15 14:48:37 MET 2000 Jan Hubicka <jh@suse.cz> + + * genrecog.c (add_to_sequence): Remove special case for + const_int_operand. + (maybe_both_true): Return 1 when falling out of sequence when + trying to find common position in the pattern. + +Fri Dec 15 14:44:51 MET 2000 Jan Hubicka <jh@suse.cz> + + * integrate.c (copy_rtx_and_substitute): Copy mode too. + +Fri Dec 15 14:11:57 MET 2000 Jan Hubicka <jh@suse.cz> + + * flow.c (notice_stack_pointer_modification_1): Cleanup. + +2000-12-15 Alexandre Oliva <aoliva@redhat.com> + + * function.c (adjust_trampoline_addr): New function. + (trampoline_address): Call it instead of round_trampoline_addr(). + * tm.texi (TRAMPOLINE_ADJUST_ADDRESS): Document it. + +2000-12-14 Zack Weinberg <zack@wolery.stanford.edu> + + * cppfiles.c (hack_vms_include_specification): Delete function + (not used since 1998). + +Fri Dec 15 03:37:51 2000 J"orn Rennecke <amylaar@redhat.com> + + * haifa-sched.c (sched_init): Don't put a note in front of any BARRIER. + +2000-12-14 Jim Wilson <wilson@redhat.com> + + * alias.c (get_alias_set): Call record_component_aliases for + COMPLEX_TYPE. + (record_component_aliases): Handle COMPLEX_TYPE. + +2000-12-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * fixinc/gnu-regex.c: Disable NLS. + +2000-12-14 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (alpha_emit_conditional_move): Do not swap + comparison operands when that would create non-canonical rtl. + + * config/i386/i386.md (umulsi3_highpart): Remove * from name. + (smulsi3_highpart): Likewise. + +2000-12-14 Neil Booth <neil@daikokuya.demon.co.uk> + + * gcc.c (cpp_options): Add -remap. + +2000-12-14 Neil Booth <neil@daikokuya.demon.co.uk> + + * gcc.c (cpp_options): Update to use '&'. + (struct switchstr): Change type of validated to save space. + New member 'ordering'. + (handle_braces, validate_switches): Update to handle '&'. + +2000-12-13 Laurynas Biveinis <lauras@softhome.net> + + * fixinc/inclhack.def: skip stdio_va_list fix if __DJ_va_list + found in a header. + * fixinc/fixincl.x: regenerated. + +2000-12-13 DJ Delorie <dj@redhat.com> + + * config.gcc (cygwin, win32, mingw32): Use float-i386.h. + +2000-12-13 Tom Tromey <tromey@redhat.com> + + * gcc.c (handle_braces): Handle %{<S*} spec correctly. + +2000-12-13 Alexandre Oliva <aoliva@redhat.com> + + * function.c (assign_parms): Optimize incoming PARALLELs into + REGs if possible. + +2000-12-13 Bruce Korb <bkorb@gnu.org> + + * fixinc/Makefile.in(*): substantial rewrite to accommodate systems + that cannot handle bi-directional pipes, viz. BeOS and DOS. + * fixinc/fixlib.h(IGNORE_ARG): new macro + (STATIC): define for all of fixinc to use + * fixinc/fixfixes.c(*): eliminate unused arg warnings + * fixinc/fixtests.c(*): ditto + * fixinc/fixincl.c(start_fixer): chain_open now uses const arg list + * fixinc/gnu-regex.c: reorder some includes to avoid _GNU_SOURCE + warning. Also, eliminate the ``#ifdef emacs'' stuff. + (re_syntax_options): make global as it is declared so. + * fixinc/mkfixinc.sh: process the argument list more consistently + (beos/msdosdjgpp): set TARGETS to twoprocess vs. oneprocess + * fixinc/procopen.c(globals): include "fixlib.h" for std defs + * fixinc/server.c(globals): ditto + * fixinc/server.h(defines): ditto + +2000-12-13 Neil Booth <neil@daikokuya.demon.co.uk> + + * tradcpp.c (special_symbol): Improve test for definedness, + though it is still not perfect. + (do_define): Don't define illegal macro names. + +2000-12-07 Aldy Hernandez <aldyh@redhat.com> + + * config/mips/elf.h (ASM_OUTPUT_SECTION_NAME): emit @nobits + if changing into .bss section. + * config/mips/elf64.h: same. + * config/mips/iris6.h: same. + * config/mips/netbsd.h: same. + * config/mips/openbsd.h: same. + +2000-12-13 Neil Booth <neil@daikokuya.demon.co.uk> + + * cppfiles.c (read_name_map): Return null if open () fails. + (remap_filename): Simplify logic. Add ICE if it doesn't work + as expected. Perform secondary lookup attempt on base filename + only. + +Wed Dec 13 19:48:04 MET 2000 Jan hubicka <jh@suse.cz> + + * flow.c (notice_stack_pointer_modification_1): Notice midifications + using PRE_MODIFY and POST_MODIFY. + +Wed Dec 13 17:25:32 MET 2000 Jan Hubicka <jh@suse.cz> + + * genoutput.c (process_template): Add sanity checking for '@' templates. + +2000-12-13 Bernd Schmidt <bernds@redhat.co.uk> + + * simplify-rtx.c (cselib_finish): Free reg_values and used_regs + varrays. + +2000-12-12 Mike Stump <mrs@wrs.com> + + * Makefile.in (distclean): Remove safe-ctype.c as well. + +2000-12-12 Brad Lucier <lucier@math.purdue.edu> + + * tradcpp.c (do_error): Cast difference of pointers to int + for error message. + +2000-12-12 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * config/rs6000/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Move from here... + * config/rs6000/sysv4.h (HANDLE_PRAGMA_PACK_PUSH_POP): ...to here. + +2000-12-12 Jim Wilson <wilson@redhat.com> + + * rtlanal.c (may_trap_p): Check operand modes of LE, LT, GE, and GT. + +2000-12-12 Alexandre Oliva <aoliva@redhat.com> + + * configure.in: Simplify language enabling/disabling code. + * configure: Rebuilt. + * ch/config-lang.in (target_libs): Set. + (build_by_default): Set to no. + * cp/config-lang.in (target_libs): Set. + * f/config-lang.in (target_libs): Set. + * java/config-lang.in (target_libs): Set. + * objc/config-lang.in (target_libs): Set. + +2000-12-12 Neil Booth <neil@daikokuya.demon.co.uk> + + * tradcpp.c (enum node_type): Add T_ERROR. + (do_error): New function. + (directive_table): Add #error handler. + +2000-12-12 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Enable .file/.loc check + for powerpc*-*-*. + * configure: Regenerated. + * config/rs6000/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define. + * config/rs6000/rs6000.c (rs6000_unique_section): Use + STRIP_NAME_ENCODING. + +Mon Dec 11 13:51:09 2000 Jeffrey A Law (law@cygnus.com) + + * pa.c (cmpib_comparison_operator): Remove GEU and LTU. + * pa.h (PREDICATE_CODES, cmpib_comparison_operator): Corresponding + changes. + +2000-12-11 Bruce Korb <bkorb@gnu.org> + + * fixinc/fixincl.tpl: initialize all fields for warnings + * fixinc/fixincl.x: regenerate + +2000-12-11 Neil Booth <neilb@earthling.net> + + * tradcpp.h: For tradcpp, NUL is not whitespace. + +2000-12-11 Neil Booth <neilb@earthling.net> + + * fix-header.c (read_scan_file): Macro expansion is not a file buffer. + +2000-12-05 Marek Michalkiewicz <marekm@linux.org.pl> + + * config/avr/avr.c (compare_condition, compare_sign_p): New functions. + (compare_diff_p, compare_eq_p): Call compare_condition. + (out_tsthi, out_tstsi): Call compare_sign_p. + (avr_progmem_p): Check for error_mark_node. + +2000-12-11 Neil Booth <neilb@earthling.net> + + * cpperror.c (print_location): New function. + (print_containing_files): Simplify. + (_cpp_begin_message): Simplify and use print_location. + * cppfiles.c (stack_include_file): Update. + (_cpp_pop_file_buffer): Update. + * cpphash.h (struct cpp_buffer): New members + include_stack_listed and type. + * cpplib.c (_cpp_handle_directive): Buffer->inc is not null. + (run_directive): Take buffer type. cpp_push_buffer cannot fail. + (_cpp_do__Pragma, cpp_define, _cpp_define_builtin, cpp_undef, + handle_assertion): Update. + (cpp_push_buffer): Take a buffer type and file name. + (cpp_pop_buffer): Update. Clear include_stack_listed. + * cpplib.h (input_stack_listing_current): Remove. + (enum cpp_buffer_type): New. + (cpp_push_buffer): New prototype. + * cppmacro.c (builtin_macro): Simplify; buffer cannot be null. + * fix-header.c (read_scan_file): Update. + +2000-12-10 Robert Lipe <robertlipe@usa.net> + + * install.texi (i*86-*-sco3.2v5*): Remove information duplicated + in html version. + +2000-12-10 Richard Henderson <rth@redhat.com> + + * genrecog.c (find_operand): Handle 'V' format code. + (find_matching_operand): New. + (validate_pattern): Accept '=' for an in-out operand if there + is another operand with a matching constraint. + + * config/i386/i386.md (andqi_ext_0_cc): Use matching constraint + for op1 to op0. + +2000-12-10 Richard Henderson <rth@redhat.com> + + * genrecog.c (validate_pattern) [STRICT_LOW_PART]: Fix thinko. + +2000-12-09 Richard Henderson <rth@redhat.com> + + * genrecog.c (validate_pattern): Verify that ZERO_EXTRACT and + STRICT_LOW_PART as SET_DEST have in-out constraints. + +2000-12-09 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (check_function_format): Don't suggest adding format + attributes to functions with no parameter to which to add them. + +2000-12-09 Nick Clifton <nickc@redhat.com> + + * config/arm/arm.c (arm_expand_prologue): Mark the generated + insn not the set as being DWARF2_FRAME_RELATED_P. + +2000-12-09 Laurynas Biveinis <lauras@softhome.net> + + * Makefile.in: use $(build_exeext) for all build + system executable targets. + +2000-12-09 Laurynas Biveinis <lauras@softhome.net> + + * install.texi: remove i[345]86-*-winnt3.5 section. + * configur.bat: removed. + * config/msdos: directory removed. + +2000-12-09 Neil Booth <neilb@earthling.net> + + * cppfiles.c (NEVER_REREAD, DO_NOT_REREAD): Move from cpphash.h. + * cpphash.h (NEVER_REREAD, DO_NOT_REREAD, ABSOLUTE_PATH): Delete. + * cpplex.c (parse_identifier): Improve diagnostic. + (_cpp_lex_token): Return unconditionally at the end of a directive. + * cpplib.c (read_flag): Verify legality of each flag. + (end_directive): Resotre pfile->skipping before skip_rest_of_line. + (do_line): Use the new read_flag. + * cppmacro.c (struct cpp_macro, parse_arg, replace_args, + check_macro_redefinition, parse_params): Rename var_args to + variadic. + +2000-12-09 Joseph S. Myers <jsm28@cam.ac.uk> + + * .cvsignore: Add info files. + +2000-12-08 Laurynas Biveinis <lauras@softhome.net> + + * config/winnt: Remove obsolete directory. + * install.texi (Configurations): Remove obsolete documentation for + Windows NT. + +2000-12-08 Joseph S. Myers <jsm28@cam.ac.uk> + + * configure.in: Don't define INSTALL_INFO. + * configure: Regenerate. + * Makefile.in (INSTALL_INFO): Remove. + (info): Depend on info files in source directory. + (cpp.info, gcc.info, c-tree.info): Build info files in source + directory. + (distclean): Don't remove info files. + (maintainer-clean): Remove info files from source directory. + (install-normal): Depend on install-info. + (install-info): Install info files from source directory, if they + exist. + * texinfo.tex: Update to version 2000-11-09.08 from ftp.gnu.org. + +2000-12-08 Alexandre Oliva <aoliva@redhat.com> + + * lcm.c (optimize_mode_switching): Check whether an insn is a NOTE + before taking its NOTE_LINE_NUMBER. + +2000-12-08 Nick Clifton <nickc@redhat.com> + + * config/arm/arm.md (load_indirect_jump): Add pool ranges. + + * extend.texi: Document ARM "interrupt" function attribute. + Mention that the ARM also support the "naked" function + attribute. + + * config/arm/arm-protos.h (arm_current_func_type): Add + prototype. + + * config/arm/arm.h (EXCEPTION_LR_REGNUM): Define. + (struct machine_function): Add 'func_type' field. + Define bit values for 'func_type' field. + (ARM_FUNC_TYPE): New macro. + (IS_INTERRUPT): New macro. + (IS_VOLATILE): New macro. + (IS_NAKED): New macro. + (IS_NESTED): New macro. + (ARM_INITIAL_ELIMINATION_OFFSET): Use IS_VOLATILE. + + * config/arm/arm.c (isr_attribute_args): New Structure. A + list of "interrupt" function attribute modifiers. + (arm_isr_value): New Function: Returns the type of the current + interrupt function. + (arm_compute_func_type): New Function: Computes the type of + the current function. + (arm_current_func_type): New Function: Returns the type of the + current function. + (use_return_insn): Use arm_current_func_type. + (arm_valid_type_attribute_p): Accept "interrupt" function + attribute. + (arm_comp_type_attributes): Check "interrupt" attributes. + (arm_valid_machine_decl): Accept "interrupt" function + attribute. + (arm_function_ok_for_sibcall): Do not allow interrupt + functions to use sibcalls. + (arm_naked_function_p): Delete. + (print_multi_reg): Remove redundant parameter 'hat'. + (arm_compute_save_reg_mask): New Function: Compute a bit mask + of registers saved during the current function's prologue. + (output_arm_return_instruction): Use arm_current_func_type. + Generate return instruction when LR is not poppsed off the + stack. + (arm_volatile_func): Delete. + (output_arm_prologue): Use arm_current_func_type and + arm_compute_save_reg_mask. + Note presernce of interrupt functions. + (arm_output_epilogue): Use arm_current_func_type and + arm_compute_save_reg_mask. + (arm_expand_prologue): Use arm_current_func_type and + arm_compute_save_reg_mask. + (arm_init_machine_status): Initialise func_type field, if + necessary. + (thumb_expand_prologue): Use arm_current_func_type. + (output_thumb_prologue): Use arm_current_func_type. + +2000-12-08 Brad Lucier <lucier@math.purdue.edu> + + * tradcpp.c (do_include): Make pointer differences 64-bit clean. + +Fri Dec 8 08:23:29 2000 J"orn Rennecke <amylaar@redhat.com> + + * fp-bit.c (_fpmul_parts): Use USItype variables as inputs + for multiplies. + +2000-12-07 Mike Stump <mrs@wrs.com> + + * Makefile.in (distclean): Remove alloca.c hashtab.c. + +2000-12-07 Zack Weinberg <zack@wolery.stanford.edu> + + * Makefile.in (HOST_RTL): Add safe-ctype.o. + (safe-ctype.o): New rule. + * system.h: Include safe-ctype.h, not ctype.h. No need to + wrap ctype macros. + + * cpphash.h: Zap IStable and related macros. Define is_* in + terms of safe-ctype.h macros. + * cppinit.c: Delete the IStable and all related code. + + * tradcpp.c: Delete is_idchar, is_idstart, is_hor_space, and + is_space arrays. Delete initialize_char_syntax. Change all + references to the above arrays to use macros instead. + * tradcpp.h: Define is_idchar, is_idstart, is_space, and + is_nvspace in terms of safe_ctype.h's macros. + * tradcif.y: is_idchar, is_idstart are macros not arrays. + + * config/i370/i370.c, config/winnt/dirent.c, + config/winnt/fixinc-nt.c, config/winnt/ld.c: + Use uppercase ctype macros. If we included ctype.h, + include safe-ctype.h instead. + + * fixinc/fixfixes.c: Use uppercase ctype macros. Don't test + ISLOWER(c) before calling TOUPPER(c). + * fixinc/fixincl.c (extract_quoted_files): Simplify out some gunk. + * fixinc/gnu-regex.c: Include safe-ctype.h, not ctype.h. No need to + wrap ctype macros. Don't test ISUPPER(x) before calling TOLOWER(x). + +2000-12-07 DJ Delorie <dj@redhat.com> + + * c-decl.c (grokdeclarator): preserve previous alignments when + rebuilding array types. + +2000-12-07 Neil Booth <neilb@earthling.net> + + * cppfiles.c (struct include_file): Move from cpphash.h. + (_cpp_never_reread): New function. + (open_file, read_include_file): Use it. + (stack_include_file): Set the buffer's sysp according to the + path in which the file was found. + (find_include_file): Don't set sysp. + (cpp_make_system_header, actual_directory): Update. + (_cpp_execute_include): Do #include_next lookup handling here, + not in cpplib.c. Use _cpp_never_reread. + * cpphash.h (struct_include_file): Remove. + (struct cpp_buffer): New member sysp. + (CPP_IN_SYSTEM_HEADER, _cpp_execute_include): Update. + (_cpp_never_reread): New. + * cpplib.c (read_line_number): Rename read_flag. Rework slightly. + (end_directive): Clear line_extension flag. + (_cpp_handle_directive): Set line_extension flag for #number. + (do_include_next): Handle path lookup in _cpp_execute_include. + (do_line): Cleanup to use read_flag. Don't allow flags in #line. + (_cpp_do_file_change): Update. + (do_pragma_once): Use cpp_never_reread. Clean up. + * cpplib.h (struct lexer_state): New member line_extension. + +2000-12-07 Richard Henderson <rth@redhat.com> + + * flow.c (calculate_global_regs_live): Force the stack pointer live + after reload as well. + +2000-12-07 Bruce Korb <bkorb@gnu.org> + + * fixinc/Makefile.*(exeext): the variables are exeext, the + substitution expression is build_exeext. + +2000-12-07 Neil Booth <neilb@earthling.net> + + * c-common.c (parse_in): Make a cpp_reader *. + * cppfiles.c (_cpp_fake_include): Remove. + * cpphash.h: Similarly. + * cpplib.c (do_line): Don't call _cpp_fake_include. A valid + #line always creates a callback; FC_RENAME if there are no + #line flags. + * fix-header.c (read_scan_file): cpp_push_buffer cannot fail. + The first EOF must be our get_char buffer. + +2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (warn_format_security): New variable. + (check_format_info): Warn about non-literal formats with no format + arguments if either -Wformat-nonliteral or -Wformat-security is + specified. + (set_Wformat): Set warn_format_security for settings other than 1. + * c-common.h (warn_format_security): Declare. + * c-decl.c (c_decode_option): Decode -Wformat-security and + -Wno-format-security. + * invoke.texi: Document -Wformat-security. + * toplev.c (documented_lang_options): Include -Wformat-security + and -Wno-format-security. + +2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (check_format_info): Warn for non-constant format + strings with strftime formats if -Wformat-nonliteral. Where the + format can convert arguments, if the format is not a string + literal and there are no arguments to the format, give a different + warning message from the general non-string-literal case. + +2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (format_wanted_type): Add reading_from_flag. + (print_char_table): Mark %s and %S formats with flag "R". + (check_format_info_main): Set up reading_from_flag appropriately. + If aflag, always set writing_in_flag rather than relying on the + format used being a scanf format and so having it set. + (check_format_types): Check for formats reading through null + pointers. + +2000-12-07 Joseph S. Myers <jsm28@cam.ac.uk> + + * invoke.texi (-Wformat): Document what format features are + checked. + +2000-12-06 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.h: Fix formatting. + +2000-12-06 Joel Sherrill <joel@OARcorp.com> + + * config.gcc (a29k*-*-rtems*, arm*-*-rtems*, c4x-*-rtems*, + h8300-*-rtems*, hppa1.1-*-rtems, *mips*-*-rtems*): New targets. + * config.gcc (*-rtems*): Add support for gthr-rtems.h. + * gthr-rtems.h, config/a29k/rtems.h, config/arm/rtems-elf.h, + config/h8300/rtems.h, config/mips/rtems.h: New files. + +2000-12-06 Mark Kettenis <kettenis@gnu.org> + + * config.gcc: Reorganize handling of *-*-gnu*, to share target + specific make details with Linux. Update comments to clarify + the distinction between GNU/Linux and GNU/Hurd. + +Wed Dec 6 19:22:02 2000 Jeffrey A Law (law@cygnus.com) + + * contrib.texi: Fix my email address. Update Per's + list of contributions. + +2000-12-06 Rodney Brown <RodneyBrown@mynd.com> + + * c-lex.c (cb_indent): Decorate `str' argument, unused on HP-UX. + * collect2.c (scan_libraries): Remove unused `ch'. + (COFF specific stuff): Prototype ldgetname. Declare and prototype + ldbtread and ldclose. + + * config/alpha/osf.h: Standarize copyright statement. + * config/arc/arc.h: Likewise. + * config/arm/elf.h config/arm/coff.h config/arm/aout.h: Likewise. + * config/arm/arm.c config/arm/arm.h: Likewise. + * config/elxsi/elxsi.h: Likewise. + * config/i386/sco.h: Likewise. + * config/m68k/crds.h config/m68k/hp320.h config/m68k/lynx.h: Likewise. + * config/m68k/m68kv4.h config/m68k/next21.h: Likewise. + * config/m68k/sun3.h: Likewise. + * config/m88k/dgux.h config/m88k/dguxbcs.h: Likewise. + * config/pdp11/2bsd.h config/pdp11/pdp11.h: Likewise. + * config/romp/romp.h: Likewise. + * config/rs6000/aix41.h: Likewise. + * config/sparc/sysv4.h: Likewise. + * config/we32k/we32k.c config/we32k/we32k.h: Likewise. + * fixinc/gnu-regex.c fixinc/gnu-regex.h: Likewise. + * cpplib.h cppexp.c cselib.h profile.c: Likewise. + * longlong.h: Likewise. + * libgcc2.c: Likewise. + +2000-12-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * machmode.def: Use correct definition for BITSIZE on targets where + BITS_PER_UNIT != 8. + +2000-12-06 Bruce Korb <bkorb@gnu.org> + + * fixinc/Makefile.*: Reduce differences to (ultimately) reduce + the number of them. + +2000-12-06 J. David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.c: Include expr.h before c-tree.h. + (remove_useless_addtr_insns): Use reverse_condition_maybe_unordered + instead of reverse_condition. + (print_operand): Correct predicates for GT, GE, LT and LE. Add + predicates for LTGT, UNLE, UNLT, UNGE, UNGT, UNEQ, UNORDERED and + ORDERED. + (cmpib_comparison_operator): Add GEU and LTU codes. + * pa.h (PREDICATE_CODES): Add codes for cmpib_comparison_operator. + * pa.md (bltgt, bunle, bunlt, bunge, bungt, buneq, bunordered, + bordered): New float conditional branch patterns. + +Wed Dec 6 21:03:41 2000 J"orn Rennecke <amylaar@redhat.com> + + * final.c (final_addr_vec_align): Fix clipping to BIGGEST_ALIGNMENT. + +2000-12-06 Sylvain Pion <Sylvain.Pion@sophia.inria.fr> + + * cpplex.c (skip_escaped_newlines): Don't warn for spaces between + backslash and newline, when inside a comment. + +2000-12-06 Joseph S. Myers <jsm28@cam.ac.uk> + + * invoke.texi: Use @table @samp instead of @itemize @minus for + table of language standards. Fix use of @pxref. From Zack + Weinberg. Also exclude specs documentation from generated + manpage, and create separate ENVIRONMENT section. + +2000-12-06 Michael Matz <matzmich@cs.tu-berlin.de> + + * gcse.c (compute_pre_data): Kill trapping expressions in + destination blocks of abnormal edges. + +2000-12-05 Richard Sandiford <r.sandiford@redhat.com> + + * config/mn10300/mn10300.c (mn10300_print_reg_list): Added. + (mn10300_get_live_callee_saved_regs): Likewise. + (mn10300_gen_multiple_store): Likewise. + (store_multiple_operation): Likewise. + (expand_prologue): Use mn10300_gen_multiple_store(). + * config/mn10300/mn10300-protos.h (mn10300_print_reg_list): Added. + (mn10300_get_live_callee_saved_regs): Likewise. + (mn10300_gen_multiple_store): Likewise. + (store_multiple_operation): Likewise. + * config/mn10300/mn10300.md (store_movm): Use a MATCH_PARALLEL + tied to store_multiple_operation(). + +Tue Dec 5 20:09:14 2000 Jeffrey A Law (law@cygnus.com) + + * builtins.c (expand_builtin_setjmp_setup): Set + current_function_has_nonlocal_label. + +2000-12-05 Neil Booth <neilb@earthling.net> + + * cppfiles.c (stack_include_file): Push zero-length buffers + in case of failure. Return void, as we don't fail any more. + (read_include_file): Check for files we shouldn't re-read. + Don't return an error code; errors are implied by marking the + file NEVER_REREAD. + (_cpp_execute_include): Move the recursion and in-macro checks + here. Update for stack_include_file not failing. + * cpplib.c (cpp_push_buffer): Always succeed, since + _cpp_execute_include performs the recursion check. Tidy up. + * cpplib.h (cpp_push_buffer): Update prototype. + +2000-12-05 Alexandre Oliva <aoliva@redhat.com> + + * sched-vis.c (visual_tbl_line_length): New variable. + (get_visual_tbl_length): Set it. + (visualize_stall_cycles): Don't let stalls overrun + visual_tbl_line_length. + +2000-12-05 Geoffrey Keating <geoffk@redhat.com> + + * global.c (global_conflicts): Allow for a REG_UNUSED note + with a different mode to the REG set in the insn. + +2000-12-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (fixinc.sh): Pass $WARN_CFLAGS into fixinc dir. + + * fixinc/Makefile.in (FIXINC_DEFS): Add $(WARN_CFLAGS). + +2000-12-05 Bruce Korb <bkorb@gnu.org> + + * fixinc/mkfixinc.sh(*-gnu*): activate fixinc for GNU/Hurd and + GNU/Linux. + +2000-12-05 Richard Earnshaw <rearnsha@arm.com> + + * fixinc/mkfixinc.sh: Run fixinc on netbsd. + * fixinc/inclhack.def (machine/ansi.h): Run this rule on all files, + to cope with aliased copies. + * fixinc/fixincl.x: Regenerate. + +2000-12-05 Bernd Schmidt <bernds@redhat.co.uk> + + * sched-vis.c: Guard with #ifdef INSN_SCHEDULING. + * sched-rgn.c: Likewise. + (rgn_print_insn): Fix output. + +2000-12-05 Bruce Korb <bkorb@gnu.org> + + * fixinc/Makefile.*: make these more consistent + * fixinc/mkfixincl.sh: enable BeOS fixincludes + +2000-12-05 Richard Henderson <rth@redhat.com> + + * stmt.c (warn_if_unused_value): Move side effects test earlier. + +2000-12-05 Alan Modra <alan@linuxcare.com.au> + + * bb-reorder.c (reorder_basic_blocks): Do check for EH edges even + when using sjlj. + +2000-12-05 Richard Henderson <rth@redhat.com> + + * flow.c (calculate_global_regs_live): Only force stack pointer + live before reload. Force pic register live before reload. + (insn_dead_p): Don't protect pic references from deletion. + +2000-12-05 Joseph S. Myers <jsm28@cam.ac.uk> + + * invoke.texi: Add support for using texi2pod.pl. Don't use + @multitable. + +2000-12-04 Nick Clifton <nickc@redhat.com> + + * config/arm/arm.c (arm_override_options): Test 'insn_flags' not + 'tune_flags' for XScale nature. + Remove spurious test of HARD_FLOAT and XScale flags. + + * config/arm/arm.md (umulsidi3adddi): Restore "=&r" register + contraint, accidentally changed during XScale contribution. + + * config/arm/lib1funcs.asm (interwork_call_via_, call_via_): Do + not create these functions if the target architecture does not + support Thumb instructions. + +2000-12-04 Joseph S. Myers <jsm28@cam.ac.uk> + + * ONEWS: New file with the current contents of NEWS up to EGCS + 1.1. + * NEWS: Generate automatically from online release notes from EGCS + 1.0 to GCC 2.95.2, using ../contrib/gennews. + +2000-12-04 Neil Booth <neilb@earthling.net> + + * tradcif.y: Move lexptr to top of file. Add rule to handle + assertions in conditional expressions. + * tradcpp.c (parse_answer): Assertions do not need to go to + end of line in conditional directives. + (parse_assertion): Get first character of identifiers correct. + (test_assertion): New function. + * tradcpp.h (test_assertion): New prototype. + +2000-12-01 Rodney Brown <RodneyBrown@mynd.com> + + * config.gcc: Fix typo for UnixWare 7. + +2000-12-03 Phil Edwards <pme@sources.redhat.com> + + * invoke.texi: Replace `pedwarns' with clearer text. + +2000-12-04 Bruce Korb <bkorb@gnu.org> + + * fixinc/Makefile.*(clean): don't clean autogenerated files. + (mainainer-clean): clean autogenerated files + +2000-12-04 DJ Delorie <dj@redhat.com> + + * md.texi: Add overview, clarify match_dup and define_expand. + +2000-12-04 DJ Delorie <dj@redhat.com> + + * print-tree.c (print_node): Target-specific builtins print + numbers, not names. + +2000-12-04 Jason Merrill <jason@redhat.com> + + * stor-layout.c (int_mode_for_mode): Handle MODE_VECTOR_INT, + MODE_VECTOR_FLOAT. + + * diagnostic.c (report_problematic_module): s/function/module/. + + * c-lex.h: Remove decl for check_newline. + +2000-12-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * README.APOLLO: Remove obsolete file. + +2000-12-04 Neil Booth <neilb@earthling.net> + + * cppinternals.texi: New file. + +2000-12-04 Neil Booth <neilb@earthling.net> + + * cppfiles.c (cpp_make_system_header): Take 2 booleans, + and operate on current buffer. + (cpp_read_file): Rename _cpp_read_file. + * cpplib.c (do_line, do_pragma_system_header): Update calls to + cpp_make_system_header. + * fix-header.c: Similarly. + * cpphash.h (_cpp_read_file): Move from... + * cpplib.h: ... here. + * cppinit.c (do_includes, cpp_start_read): Update appropriately. + +2000-12-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (expand_builtin_strspn, expand_builtin_strcspn): + Handle another transformation. + +2000-12-03 Nick Clifton <nickc@redhat.com> + + * config.gcc: Add support for StrongARM targets. + * config/arm/t-strongarm-elf: New file. + * config/arm/t-strongarm-coff: New file. + * config/arm/t-strongarm-pe: New file. + * config/arm/strongarm-pe.h: New file. + +2000-12-03 Nick Clifton <nickc@redhat.com> + + * NEWS: Mention XScale has been added. + * config.gcc: Add support for XScale targets. + * config/arm/arm.h: Add support for XScale processor. + * config/arm/arm.c: Add support for XScale processor. + * config/arm/arm.md: Add support for XScale processor. + * config/arm/t-xscale-elf: New file. + * config/arm/t-xscale-coff: New file. + * config/arm/xscale-elf.h: New file. + * config/arm/xscale-coff.h: New file. + +2000-12-03 Richard Henderson <rth@redhat.com> + + * bb-reorder.c (reorder_basic_blocks): Don't check for EH edges + unless exception handling is enabled, and if not using sjlj. + + * builtins.c (expand_builtin_setjmp_setup): New. + (expand_builtin_setjmp_receiver): New. + (expand_builtin_setjmp): Split out _setup and _receiver functions. + Move argument parsing in from ... + (expand_builtin): ... here. + * except.c (receive_exception_label): Branch around receiver + unless new-style exceptions. Call expand_builtin_setjmp_receiver. + (start_dynamic_handler): Call expand_builtin_setjmp_setup. + * expr.h: Update builtin setjmp decls. + +2000-12-03 Bruce Korb <bkorb@gcc.org> + + * fixinc/mkfixinc.sh(build machine): Sometimes, there is no canonical + build machine name. Default to the target. + +2000-12-03 Laurynas Biveinis <lauras@softhome.net> + + * Makefile.in: use $(build_canonical), not $(canonical_build). + +2000-12-03 Bernd Schmidt <bernds@redhat.co.uk> + + * Makefile.in (OBJS): Add sched-rgn.o. + (sched-rgn.o): New rule. * haifa-sched.c (sched_verbose): No + longer static. + (INSN_PRIORITY, INSN_COST, INSN_UNIT, INSN_REG_WEIGHT, + INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK, ENCODE_BLOCKAGE, + UNIT_BLOCKED, BLOCKAGE_RANGE, MIN_BLOCKAGE_COST, + MAX_BLOCKAGE_COST): Move to sched-int.h. + (MAX_RGN_BLOCKS, MAX_RGN_INSNS, INSN_REF_COUNT, FED_BY_SPEC_LOAD, + IS_LOAD_INSN, struct haifa_edge, edge_table, NEXT_IN, NEXT_OUT, + FROM_BLOCK, TO_BLOCK, nr_edges, in_edges, out_edges, IN_EDGES, + OUT_EDGES, edgelst, struct region, nr_regions, rgn_table, + rgn_bb_table, block_to_bb, containing_rgn, RGN_NR_BLOCKS, + RGN_BLOCKS, BLOCK_TO_BB, BB_TO_BLOCK, CONTAINING_RGN, + debug_regions, find_single_block_region, find_rgns, too_large, + init_regions, current_nr_blocks, current_blocks, bitset, bitlst, + bitlst_table_last, bitlst_table_size, bitlst_table, bitset_member, + extract_bitlst, bblst, struct candidate, candidate_table, + bblst_table, bblst_size, bblst_last, IS_VALID, IS_SPECULATIVE, + SRC_PROB, target_bb, split_edges, compute_trg_info, + debug_candidate, debug_candidates, bbset, bbset_size, dom, + IS_RGN_ENTRY, IS_DOMINATED, prob, GET_SRC_PROB, edgeset, + rgn_nr_edges, rgn_edges, edgeset_size, edgeset_bitsize, + EDGE_TO_BIT, edge_to_bit, pot_split, ancestor_edges, + compute_dom_prob_ps, ABS_VALUE, INSN_PROBABILITY, + IS_SPECULATIVE_INSN, INSN_BB, MIN_DIFF_PRIORITY, MIN_PROBABILITY, + MIN_PROB_DIFF, check_live_1, update_live_1, check_live, + update_live, set_spec_fed, is_pfree, find_conditional_protection, + is_conditionally_protected, may_trap_exp, haifa_classify_insn, + is_prisky, is_exception_free, add_branch_dependences, + propagate_deps, compute_block_backward_dependences, + debug_dependencies, is_cfg_nonregular, build_control_flow, + new_edge, bb_deps, BITSET_UNION, BITSET_INTER, BITSET_DIFFER, + BITSET_INVERT, BITSET_ADD, BITSET_REMOVE, debug_regions, + UPDATE_LOOP_RELATIONS, INSN_TRAP_CLASS, WORST_CLASS, IS_REACHABLE, + CONST_BASED_ADDRESS_P, free_pending_lists, sched_target_n_insns, + target_n_insns, sched_n_insns, init_ready_list, deaths_in_region, + can_schedule_ready_p, new_ready, schedule_more_p, rgn_print_insn, + rgn_rank, region_sched_info): Move to sched-rgn.c. + (debug_reg_vector): Delete useless function. + (get_bb_head_tail): Likewise. + (insn_issue_delay, insn_cost, ready_add, get_block_head_tail, + no_real_insns_p, rm_line_notes, save_line_notes, + restore_line_notes, rm_redundant_line_notes, sched_init): No + longer static. + (rm_line_notes, save_line_notes, restore_line_notes, + schedule_block, set_priorities): Change argument to be a real + basic block, not one of haifa's "bb"s. All callers changed + (rm_other_notes): Initialize note_list here, not in + schedule_region. + (sched_finish): New function, called from schedule_insn. * * + sched-int.h (INSN_PRIORITY, INSN_COST, INSN_UNIT, INSN_REG_WEIGHT, + INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK, ENCODE_BLOCKAGE, + UNIT_BLOCKED, BLOCKAGE_RANGE, MIN_BLOCKAGE_COST, + MAX_BLOCKAGE_COST): Moved here from haifa-sched.c. + (get_block_head_tail, no_real_insns_p, rm_line_notes, + save_line_notes, restore_line_notes, rm_redundant_line_notes, + rm_other_notes, insn_issue_delay, set_priorities, schedule_block, + sched_init, sched_finish, ready_add, insn_cost): Declare. + +2000-12-03 Laurynas Biveinis <lauras@softhome.net> + Bruce Korb <bkorb@gnu.org> + + * Makefile.in: pass $(build_canonical) to mkfixinc.sh. + * fixinc/mkfixinc.sh: accept build system name as an argument. + Use it for choosing the fix build method. Use the target for + selecting special fix rules. + +2000-12-03 Bernd Schmidt <bernds@redhat.co.uk> + + * Makefile.in (OBJS): Add sched-deps.o. + (sched-deps.o): New rule. + * haifa-sched.c (struct deps, struct haifa_insn_data): Moved to + sched-int.h. + (INSN_DEPEND, INSN_LUID, CANT_MOVE, INSN_DEP_COUNT): Macros moved to + sched-int.h. + (SIZE_FOR_MODE): Delete unused macro. + (reg_known_equiv_p, reg_known_value, reg_pending_clobbers, + reg_pending_sets, reg_pending_sets_all, true_dependency_cache, + anti_dependency_cache, output_dependency_cache, + forward_dependency_cache): Variables moved to sched-deps.c. + (add_dependence, remove_dependence, find_insn_list, + find_insn_mem_list, add_insn_mem_dependence, flush_pending_lists, + sched_analyze_insn, sched_analyze_1, sched_analyze_2, + sched_analyze, group_leader, compute_forward_dependences, + init_deps, free_deps, init_dependency_caches, free_dependency_caches): + Functions moved to sched-deps.c. + (schedule_region): Call init_deps_global and finish_deps_global + instead of directly manipulating dependency data structures. + * sched-deps.c: New file. + (init_deps_global, finish_deps_global): New functions. + * sched-int.h (struct haifa_insn_data, struct deps): Moved here from + haifa-sched.c. + (h_i_d): Declare. + (INSN_DEPEND, INSN_LUID, CANT_MOVE, INSN_DEP_COUNT): Macros moved here + from haifa-sched.c. + + * Makefile.in (OBJS): Add sched-vis.o. + (sched-vis.o): New rule. + * haifa-sched.c (get_unit_last_insn): New function. + (sched_dump, insn_unit, actual_hazard_this_instance): No longer + static. + (schedule_block): Call visualize_alloc and visualize_free. Delete + spurious return statement. + (init_target_units, insn_print_units, get_visual_tbl_length, + init_block_visualization, print_block_visualization, safe_concat, + visualize_scheduled_inns, visualize_no_unit, visualize_stall_cycles, + print_exp, print_value, print_pattern, print_insn, target_units, + MAX_VISUAL_LINES, INSN_LEN, n_visual_lines, visual_tbl, + n_vis_no_unit, vis_no_unit): Move scheduling visualization + functions/variables... + * sched-vis.c: ...here. New file. + (visualize_alloc, visualize_free): New functions. + (visualize_scheduled_insns, visualize_stall_cycles, + print_block_visualization): Lose basic block argument. All callers + changed. + (visualize_scheduled_insns): Use new function get_unit_last_insn. + * sched-int.h (current_sched_info, sched_dump): Declare. + (init_target_units, insn_print_units, init_block_visualization, + print_block_visualization, visualize_scheduled_inns, + visualize_no_unit, visualize_stall_cycles, visualize_alloc, + visualize_free): Declare functions. + + * sched-int.h: New file. + * Makefile.in (haifa-sched.o): Depend on it. + * haifa-sched.c: Include it. + (no_real_insns_p): New function. + (current_sched_info): New static variable. + (__inline, HAIFA_INLINE): Moved to sched-int.h. + (get_block_head_tail): Minor cleanup. + (init_ready_list, can_schedule_ready_p, new_ready, schedule_more_p, + rgn_print_insn, rgn_rank): New functions, broken out of + rank_for_schedule, schedule_insn and schedule_block, where they + are now called through function pointers in current_sched_info. + (queue_insn, schedule_insn, queue_to_ready, debug_ready_list, + print_insn): To display uid and block number, call the print_insn + function pointer in current_schedule_info. + (region_sched_info): New static variable. + (sched_target_n_insns, sched_n_insns, target_n_insns): New global + variables, moved out of schedule_block. + (schedule_block): Return void. All callers changed. + Move some of the setup code into schedule_region. Get head/tail + from current_sched_info, and update it when done. + (schedule_region): Slightly rearranged, some code moved here from + schedule_block. Call no_real_insns_p to avoid doing work for a + block that consists only of notes and labels. + (schedule_insns): Initialize current_sched_info. + +2000-12-03 Neil Booth <neilb@earthling.net> + + * cppmacro.c (funlike_invocation_p): Re-disable macros enabled + by contexts drops AFTER argument pre-expansion, so that they + remain enabled during argument pre-expansion. + (_cpp_pop_context): Unconditionally re-enable a macro when + dropping a context level. + +2000-12-03 Manfred Hollstein <manfredh@redhat.com> + + * arm/t-linux (MULTILIB_OPTIONS): Comment. + (MULTILIB_DIRNAMES): Likewise. + (EXTRA_MULTILIB_PARTS): Likewise. + (LIBGCC): Likewise. + (INSTALL_LIBGCC): Likewise. + +2000-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (expand_builtin_strcat, expand_builtin_strncat, + expand_builtin_strspn, expand_builtin_strcspn): New functions. + (expand_builtin): Handle BUILT_IN_STRCAT, BUILT_IN_STRNCAT, + BUILT_IN_STRSPN and BUILT_IN_STRCSPN. + + * builtins.def (BUILT_IN_STRCAT, BUILT_IN_STRNCAT, + BUILT_IN_STRSPN, BUILT_IN_STRCSPN): New entries. + + * c-common.c (c_common_nodes_and_builtins): Declare builtin + strcat, strncat, strspn and strcspn. + (string_ftype_string_cstring): Renamed from `string_ftype_ptr_ptr'. + + * extend.texi (strcat, strcspn, strncat, strspn): Document new + builtins. + +2000-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (expand_builtin_strcmp): Use const*_rtx when + expanding strcmp at compile-time. Add another transformation. + (expand_builtin_strncmp): Add more transformations. Call + expand_builtin_memcmp, not expand_builtin_strcmp, under + appropriate conditions if HAVE_cmpstrsi. + +2000-12-02 David Edelsohn <edelsohn@gnu.org> + + * rs6000.md (anddi3_internal[23]): Prefer rldic? over andis + instruction. + (cr logic): Really make operands sequential. + +2000-12-02 Geoffrey Keating <geoffk@redhat.com> + + * c-common.c (combine_strings): When the ISO C standard specifies + the maximum length of a string, it doesn't include the trailing + zero byte. + + * cpplib.c (do_ifdef): Add check_eol() call. + (do_ifndef): Likewise. + +2000-12-02 Daniel Berlin <dberlin@redhat.com> + Bruce Korb <bkorb@gnu.org> + + * fixinc/*: global substitute /__MSDOS__/SEPARATE_FIX_PROC/ + * fixinc/mkfixinc.sh: prepare to use Makefile.BEOS for *-*-beos* + * fixinc/Makefile.DOS: define SEPARATE_FIX_PROC for build + * fixinc/fixfix.c(wrap_fix): avoid wrapping files that + use the "__need_" hackery. It breaks them. + * fixinc/fixincl.c(process - SEPARATE_FIX_PROC): + Sometimes on DOS and BeOS the temp output file cannot be opened. + Skip the file noisily. Ought to be fixed instead. + +2000-12-02 Bruce Korb <bkorb@gnu.org> + + From: 2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * fixfixes.c (emit_gnu_type, format_write): Prototype. + (format_write, char_macro_use_fix, char_macro_def_fix): Use gcc's + custom uppercase ctype macros. + * fixincl.c (do_version): Make static and add ATTRIBUTE_NORETURN. + Use gcc's custom uppercase ctype macros. + (main): Prototype. + (machine_matches): Add static prototype and constify variable. + (create_file, test_test, egrep_test): Add static prototype. + (quoted_file_exists): Likewise, and constify parameters. + (extract_quoted_files, internal_fix, start_fixer, fix_applies, + write_replacement, test_for_changes): Add static prototype. + (write_replacement, test_for_changes): Delete excess argument to + `create_file'. + * fixtests.c (test): Make static. + * server.c (load_data, sig_handler, server_setup, find_shell): Add + static prototype. + (sig_handler): Mark parameter with ATTRIBUTE_UNUSED. + +2000-12-02 Bruce Korb <bkorb@gnu.org> + + * fixnc/mkfixinc.sh(msdosdjgpp): remove from fixincludes exception list + (per Laurynas Biveinis <lauras@softhome.net>) + +2000-12-02 Richard Earnshaw <rearnsha@arm.com> + + * arm.h (ARM_REGNO_OK_FOR_BASE_P, THUMB_REGNO_MODE_OK_FOR_BASE_P): New + macros. + (REGNO_MODE_OK_FOR_BASE_P): Define in terms of above. + (REGNO_OK_FOR_FOR_BASE_P): Delete. + (ARM_REG_OK_FOR_BASE_P, THUMB_REG_MODE_OK_FOR_BASE_P): New macros for + both strict and non-strict uses. + (REG_MODE_OK_FOR_BASE_P): Define in terms of above. + (ARM_REG_OK_FOR_INDEX_P, THUMB_REG_OK_FOR_INDEX_P): New macros. + (REG_OK_FOR_INDEX_P): Define in terms of above. + (REG_OK_FOR_BASE_P): Delete. + (REG_OK_FOR_PRE_POST_P): Delete. + (ARM_BASE_REGISTER_RTX_P): Renamed from BASE_REGISTER_RTX_P. + (ARM_INDEX_REGISTER_RTX_P): Renamed from INDEX_REGISTER_RTX_P. + (ARM_GO_IF_LEGITIMATE_INDEX): Renamed from GO_IF_LEGITIMATE_INDEX. + (THUMB_LEGITIMATE_OFFSET): Renamed from LEGITIMATE_OFFSET. + (ARM_GO_IF_LEGITIMATE_ADDRESS): Adjust for name changes. Use ARM + specific variants rather than general ones. Use ARM_REG_OK_FOR_BASE_P + in pre/post increment cases. + (THUMB_GO_IF_LEGITIMATE_ADDRESS): Similarly for Thumb. + (ARM_LEGITIMIZE_ADDRESS): Similarly. + (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Similarly. + * arm.c (legitimate_pic_address): Similarly. + +2000-12-02 Neil Booth <neilb@earthling.net> + + * tradcpp.c (struct answer, parse_assertion, parse_answer, + canonicalize_text, find_answer): New. + (do_assert, do_unassert): Provide appropriate function bodies. + (union hashval): New member answers. + +2000-11-23 Marek Michalkiewicz <marekm@linux.org.pl> + + * config/avr/avr.md: Document UNSPEC usage. + (*tablejump_rjmp, *tablejump_lib, *tablejump_enh, *tablejump): + Make operand 0 input only, clobber it. Use UNSPEC, not a bogus + MEM for program memory word reference. Do not add the label to + the table index in each of the asm output templates, instead ... + (casesi): ... do it in RTL. Adjust to match the above change. + +2000-12-02 Bernd Schmidt <bernds@redhat.co.uk> + + * c-common.c (PTRDIFF_TYPE): Provide default here, ... + * c-decl.c: ... not here. + + * haifa-sched.c (sched_dump): Renamed from dump. All users changed. + (old_max_uid): New variable. + (compute_forward_dependences): Renamed from + compute_block_forward_dependences; changed to accept block head and + tail instead of block number. Caller changed. + (free_deps, init_dependency_caches, free_dependency_caches, + init_regions, sched_init): New functions, split out from + schedule_insns and compute_block_backward_dependences. + +2000-12-02 Neil Booth <neilb@earthling.net> + + * cppexp.c (parse_number): Update diagnostic test. + +2000-12-02 Bernd Schmidt <bernds@redhat.co.uk> + + * reload1.c (free_for_value_p): New function, frontend to + reload_reg_free_for_value_p. All callers of the latter now call + this function with an additional mode argument. + +2000-12-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * install.texi (Configurations): Remove obsolete documentation for + hppa*-*-*. + +2000-12-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * install.texi (Installation): Remove obsolete description for + libstdc++ which is now an integral part of GCC. + +2000-12-01 Jim Blandy <jimb@redhat.com> + + * dbxout.c (dbxout_parms): Correctly describe parameters passed by + invisible reference in registers, but then spilled to the stack. + Remove code to emit a second stab for such parameters; it attempts + to describe the value's location by introducing a synthetic C++ + `reference' type, and then saying the stack slot has that + reference type. This loses type information (breaking GDB's + `ptype' command, among other things) just to describe a location + which stabs can represent correctly in other ways. + +2000-12-01 Alexandre Oliva <aoliva@redhat.com> + + * final.c (output_addr_const) <PLUS>: Don't assume at least one + operand is a CONST_INT. + + * config/sh/sh.c (reg_class_from_letter): Assign `k' to SIBCALL_REGS. + (machine_dependent_reorg): Split all insns. + * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Compute + reg_class_contents[SIBCALL_REGS]. + (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Add SIBCALL_REGS. + * config/sh/sh.md (calli_pcrel, call_pcrel, call_valuei_pcrel, + call_value_pcrel, call, call_value, sibcall): Match even when + not optimizing. + (sibcalli_pcrel, sibcall_pcrel): Likewise. Use constraint `k' + for call address. + (sibcalli): Likewise. + +2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (warn_format, warn_format_y2k, + warn_format_extra_args, warn_format_nonliteral): Define. + (check_format_info): Check warn_format_nonliteral and + warn_format_extra_args. + (check_format_info_main): Check warn_format_y2k. + (set_Wformat): New function. + * c-common.h (warn_format_y2k, warn_format_extra_args, + warn_format_nonliteral, set_Wformat): Declare. + * c-decl.c (warn_format): Remove definition. + (c_decode_option): Handle -Wformat-nonliteral, + -Wno-format-extra-args and -Wno-format-y2k, and negated versions. + Use set_Wformat. + * invoke.texi: Document these new options and -Wformat=2. + * toplev.c (documented_lang_options): Add these new options. + +2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk> + + * builtins.def (BUILT_IN_IMAXABS): Add. + * builtins.c (expand_builtin): Also abort on BUILT_IN_IMAXABS. + * c-common.c (c_common_nodes_and_builtins): Create builtin + functions __builtin_imaxabs, and plain imaxabs unless + flag_no_nonansi_builtin outside C99 mode. + (expand_tree_builtin): Handle BUILT_IN_IMAXABS. + * extend.texi: Document builtin imaxabs. + +2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c: Include "defaults.h". + (WINT_TYPE, INTMAX_TYPE, UINTMAX_TYPE): Define. + (c_common_nodes_and_builtins): Create string_type_node, + const_string_type_node, wint_type_node, intmax_type_node, + uintmax_type_node, default_function_type, ptrdiff_type_node and + unsigned_ptrdiff_type_node. + * c-common.h (identifier_global_value): Declare. + * c-decl.c (WINT_TYPE, INTMAX_TYPE, UINTMAX_TYPE): Don't define. + (init_decl_processing): Don't create string_type_node, + const_string_type_node, wint_type_node, intmax_type_node, + uintmax_type_node, default_function_type, ptrdiff_type_node and + unsigned_ptrdiff_type_node. + (identifier_global_value): New function. + +2000-12-01 Neil Booth <neilb@earthling.net> + + * cppinit.c (initialize): Forgotten prototype. + * cpplex.c (_cpp_lex_token): Loop until not skipping. + Always clear PREV_WHITE upon meeting a new line. + * cpplib.c (end_directive): Set pfile->skipping after + skip_rest_of_line. + * cpplib.h (cpp_reader): Remove macro_pos. + * cppmacro.c (cpp_get_line): Don't do anything special inside + macros. + (parse_arg): Add PREV_WHITE if a token appears after new lines. + (funlike_invocation_p): Save and restore the output position + over a successful check for a '('. + (enter_macro_context): Delete uses of macro_pos. + (cpp_get_token): Don't use pfile->skipping. + +2000-12-01 Phil Edwards <pme@sources.redhat.com> + + * diagnostic.c: Fix typos in comments. + * diagnostic.h: Likewise. + +2000-11-30 Phil Edwards <pme@sources.redhat.com> + + * rtl.texi (Machine Modes): Document BImode and OImode. + +2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk> + + * gcc.c (default_compilers): Add suffixes .mi, .cp, .ii, .FOR and + .FPP. + +2000-12-01 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-decl.c (grokdeclarator): If pedantic, warn about arrays with + incomplete element type. + (grokparms): Before checking for incomplete parameter type, check + the type isn't error_mark_node. + +2000-12-01 Jakub Jelinek <jakub@redhat.com> + + * builtins.c (target_char_cast): New function. + (expand_builtin_strchr): Use it. + (expand_builtin_strrchr): Use it. + (builtin_memset_read_str): New function. + (expand_builtin_memset): Use target_char_cast. + Try to optimize memset with second argument non-zero using + store_by_pieces. + +2000-11-30 Marek Michalkiewicz <marekm@linux.org.pl> + + * install.texi (avr): Replace incomplete list of supported MCU + types with a link to the current one ... + * invoke.texi (AVR Options): ... here. Update -mmcu= to list + all supported MCU types. Document -minit-stack= default. + Document new options -mno-tablejump, -mtiny-stack. + * md.texi (AVR family): Fix typo in 'w' constraint letter + description. Document 'q'. Update 'O'. + +2000-12-01 Bernd Schmidt <bernds@redhat.co.uk> + + * combine.c (cant_combine_insn_p): Only disallow insns involving + hard regs if they are reg-reg moves. + (try_combine, can_combine_p, combinable_i3pat): Delete old + SMALL_REGISTER_CLASSES tests. + +2000-12-01 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.c (shiftcosts): Don't get INTVAL before testing + whether X is a CONST_INT. + (addsubcosts): Likewise. + + * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA): Use INTVAL instead of + mis-used XINT. + (ARG_POINTER_REGNUM): Set to AP_REG. + +2000-11-30 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.md (fpu_switch0, fpu_switch1, movpsi, fpu_switch, + splits): Only match on TARGET_SH4. + + * combine.c (try_combine): Disregard USEs when updating LOG_LINKS + of subsequent insns. + +2000-11-30 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Disable. + * config/alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise. + +2000-11-30 Richard Henderson <rth@redhat.com> + + * config/alpha/elf.h (ASM_OUTPUT_SECTION_NAME): Copy elfos.h defn. + (DO_SELECT_SECTION): New. + (SELECT_SECTION): Use it. + (UNIQUE_SECTION_P): New. + (UNIQUE_SECTION): New. + +2000-11-30 Alexandre Oliva <aoliva@redhat.com> + + * c-common.c (status_warning) [! ANSI_PROTOTYPES]: Load status + from va_list before using it. + +2000-11-30 Michael Matz <matzmich@cs.tu-berlin.de> + + * flow.c (make_edge): Early out, if no flags to set. + (calculate_global_regs_live): Clear out garbage only when necessary. + + * simplify-rtx.c (varray_type used_regs): New. + (clear_table): Use it to only clear necessary items. + (cselib_lookup, cselib_record_set): Remember newly set items. + (cselib_update_varray_sizes, cselib_init): Initialize and grow + used_regs. + + * local-alloc.c (update_equiv_regs): New local `cleared_regs'. + Move clearing of dead regs out of insn-loop. + +2000-11-30 Richard Henderson <rth@redhat.com> + + * calls.c (expand_call): Emit queued insns before creating + the tail recursion sequence. + +2000-11-30 J. David Anglin <dave.anglin@nrc.ca> + Bruce Korb <bkorb@gnu.org> + + * fixinc/inclhack.def(): prevent dual double definition protection + * fixinc/fixincl.x: regenerate + +2000-11-29 Loren J. Rittle <ljrittle@acm.org> + + * fixinc/Makefile.in (fixincl.x): Explicitly state the + location of the generated file. + +2000-11-30 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * README.FRESCO: Remove obsolete file. + +2000-11-30 Mark Kettenis <kettenis@gnu.org> + + * config/t-gnu (LIBGCC1, CROSS_LIBGCC1, CRTSTUFF_T_CFLAGS, + TARGET_LIBGCC2_CFLAGS): Remove. We now use the settings from + config/t-linux for the Hurd. + +2000-11-30 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/mn10200/udivmod.c, config/mn10200/divmod.c, + config/mn10200/udivmodsi4.c: Moved from here. + * config/udivmod.c, config/divmod.c, config/udivmodsi4.c: To here. + * config/mn10200/t-mn10200 (LIB2FUNCS_EXTRA): Use the generic + C division functions. + * config/m68hc11/t-m68hc11-gas (LIB2FUNCS_EXTRA): Likewise. + +Thu Nov 30 01:12:52 2000 Jeffrey A Law (law@cygnus.com) + + * pa.md (conditional moves): Avoid holes in operand list. + (mod, umod patterns): Similarly. + (variable extract/shift patterns): Similarly. + +2000-11-30 Neil Booth <neilb@earthling.net> + + * objc/objc-act.c (lang_init, finish_file, maybe_objc_comptypes, + maybe_objc_check_decl, build_objc_string_object, + objc_declare_alias, objc_declare_class, build_message_expr, + build_protocol_expr, build_selector_expr, build_encode_expr, + get_class_ivars, start_class, start_protocol): Remove + redundant code, assuming doing_objc_thang is true. + +2000-11-29 John David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.c (restore_unscaled_index_insn_codes): Delete procedure. + (record_unscaled_index_insn_codes): Likewise. + (unscaled_index_insn_codes): Delete. + (max_unscaled_index_insn_codes_uid): Delete. + (output_function_prologue, output_function_epilogue, pa_reorg): + Don't use the unscaled index insn hack. + + * pa.md: Remove hack from all index insns to reverse the operand + order of frame and stack pointer references incorrectly created + in the reload pass. + + * function.h (emit_status): Delete member regno_pointer_flag and + rename regno_pointer_flag_length to regno_pointer_align_length. + Delete define for REGNO_POINTER_FLAG. + * integrate.h (inline_remap): Delete member regno_pointer_flag. + Add member x_regno_reg_rtx. + * rtl.h (rtx_def): Use frame_related bit to indicate register is + a pointer in REG expressions. Define REG_POINTER macro. + * alias.c (find_base_value, find_base_term): Use REG_POINTER + instead of REGNO_POINTER_FLAG. + * combine.c (nonzero_bits, num_sign_bit_copies): Likewise. + * emit-rtl.c (gen_reg_rtx): Use regno_pointer_align_length instead + of regno_pointer_flag_length. Remove code which refers to + regno_pointer_flag. + (mark_reg_pointer): Use REG_POINTER. + (free_emit_status): Remove code which refers to regno_pointer_flag. + (init_emit, mark_emit_status): Likewise. + * flow.c (dump_flow_info): Likewise. + * function.c (preserve_temp_slots): Likewise. + * integrate.c (expand_inline_function, copy_rtx_and_substitute): + Use x_regno_reg_rtx instead of regno_pointer_flag for function + pointer determination in map. + * loop.c (strength_reduce, maybe_eliminate_biv_1): Use REG_POINTER. + * predict.c (estimate_probability): Likewise. + * regclass.c (record_address_regs, reg_scan_mark_refs): Likewise. + * unroll.c (unroll_loop): Use x_regno_reg_rtx instead of + regno_pointer_flag for function pointer determination in map. + * convex.h (RTX_COSTS): Don't test regno_pointer_flag and use + REG_POINTER. + * pa.c (hppa_legitimize_address, emit_move_sequence, basereg_operand): + Use REG_POINTER. + (restore_unscaled_index_insn_codes): Revise comment. + + * expr.c (do_compare_and_jump): Add missing TYPE_MODE in statement. + +2000-11-30 Joseph S. Myers <jsm28@cam.ac.uk> + + * extend.texi: Update documentation for attributes. + +2000-11-29 David O'Brien <obrien@FreeBSD.org> + + * config/alpha/elf.h (IDENT_ASM_OP): Protect the #define. + (ASM_DECLARE_OBJECT_NAME): Same. + (ASM_FILE_END): Same. + (ASM_FINISH_DECLARE_OBJECT): Same. + (ASM_IDENTIFY_GCC): Same. + (ASM_IDENTIFY_LANGUAGE): Same. + (ASM_OUTPUT_CONSTRUCTOR): Same. + (ASM_OUTPUT_DEF): Same. + (ASM_OUTPUT_DESTRUCTOR): Same. + (ASM_OUTPUT_EXTERNAL_LIBCALL): Same. + (ASM_OUTPUT_SECTION_NAME): Same. + (ASM_WEAKEN_LABEL): Same. + (BSS_SECTION_ASM_OP): Same. + (COMMON_ASM_OP): Same. + (CONST_SECTION_ASM_OP): Same. + (CONST_SECTION_FUNCTION): Same. + (CTORS_SECTION_ASM_OP): Same. + (DTORS_SECTION_ASM_OP): Same. + (ESCAPES): Same. + (FINI_SECTION_ASM_OP): Same. + (IDENT_ASM_OP): Same. + (IDENT_ASM_OP): Same. + (INIT_SECTION_ASM_OP): Same. + (INT_ASM_OP): Same. + (MAX_OFILE_ALIGNMENT): Same. + (SBSS_SECTION_ASM_OP): Same. + (SDATA_SECTION_ASM_OP): Same. + (SECTION_FUNCTION_TEMPLATE): Same. + (SELECT_SECTION): Same. + (SE_CONST_SECTION): Same. + (SIZE_ASM_OP): Same. + (SKIP_ASM_OP): Same. + (STRING_ASM_OP): Same. + (STRING_LIMIT): Same. + (TYPE_ASM_OP): Same. + (TYPE_OPERAND_FMT): Same. + +2000-11-29 Neil Booth <neilb@earthling.net> + + * c-decl.c (c_decode_option): Don't handle -lang-objc. + * objc/lang-options.h: Remove -lang-objc. + * objc/lang-specs.h: Don't pass -lang-objc to cc1obj. + * objc/objc-act.c (lang_init_options): Set c_language. + +2000-11-29 Jakub Jelinek <jakub@redhat.com> + + * expr.c (can_store_by_pieces): Reinitialize max_size for reverse + tests. + +2000-11-29 Neil Booth <neilb@earthling.net> + + * c-pragma.c (init_pragma): Update for parse_in type change. + +2000-11-29 Laurynas Biveinis <lauras@softhome.net> + + * configure.in: recognize DOS-style absolute paths. + +2000-11-29 Jakub Jelinek <jakub@redhat.com> + + * expr.h (store_by_pieces): Add prototype. + (can_store_by_pieces): Likewise. + * expr.c (struct store_by_pieces): Renamed from clear_by_pieces. + (can_store_by_pieces): New. + (store_by_pieces): New. + (clear_by_pieces): New. + (clear_by_pieces_1): New. + (store_by_pieces_1): Renamed from clear_by_pieces, handle storing + arbitrary compiler generated constants into memory block. + (store_by_pieces_2): Renamed from clear_by_pieces_1, likewise. + * builtins.c (c_readstr): New. + (builtin_memcpy_read_str): New. + (expand_builtin_memcpy): If src is string constant and + emit_block_move would move it by pieces, compute integer constants + from the string and store it into memory block instead. + (builtin_strncpy_read_str): New. + (expand_builtin_strncpy): If N is not constant zero and c_strlen does + not return INTEGER_CST, don't optimize. + If N is larger than strlen(src) + 1, try to copy the string + including padding with store_by_pieces. + (expand_builtin_strcmp): If both arguments have side effects, don't + optimize. + (expand_builtin_fputs): If STR has side effects, don't optimize. + +2000-11-29 Richard Earnshaw <rearnsha@arm.com> + + * arm.md (sibcall, sibcall_value, sibcall_insn, sibcall_value_insn): + Add use of link register. + +2000-11-29 Joseph S. Myers <jsm28@cam.ac.uk> + + * extend.texi: Update documentation for default format attributes. + +Tue Nov 28 21:56:45 2000 Jeffrey A Law (law@cygnus.com) + + * pa/pa-64.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not + a list, to keep track of the sections. + +2000-11-28 Nick Clifton <nickc@redhat.com> + + * config/arm/arm.md (pic_load_addr): Split into + pic_load_addr_arm and pic_load_addr_thumb. + + * config/arm/arm.c (legitimize_pic_address): Generate either + ARM or Thumb versions of pic_load_addr. + (arm_finalize_pic): Generate either ARM or Thumb versions of + pic_load_addr. + +2000-11-28 Richard Henderson <rth@redhat.com> + + * calls.c (expand_call): Defer const/pure NO_DEFER_POP until + after sibcall do_pending_stack_adjust. + +Wed Nov 29 00:08:23 2000 J"orn Rennecke <amylaar@redhat.com> + + * jump.c (delete_insn): Check that REG_LABEL note actually contains + a CODE_LABEL. + +2000-11-28 Neil Booth <neilb@earthling.net> + + * c-common.h: Remove flag_digraphs. + * c-decl.c: Remove flag_digraphs. + (c_decode_option): Don't set it. + * c-lex.c (init_c_lex): Don't do anything for digraphs. + +2000-11-28 Richard Henderson <rth@redhat.com> + + * c-parse.in (finish_parse): Update for parse_in type change. + (_yylex): Likewise. + +2000-11-28 Neil Booth <neilb@earthling.net> + + * cppmacro.c (cpp_scan_buffer_nooutput): Take a boolean + indicating whether to scan all buffers on the stack or + just one. + * cppinit.c (do_includes): Update. + * cppmain.c (main): Update. + * cpplib.h: Update prototype. + +2000-11-28 Richard Henderson <rth@redhat.com> + + * genoutput.c (validate_insn_operands): New. + (gen_insn): Call it. + + * config/alpha/alpha.md (divmodsi_internal): Renumber operands. + (divmoddi_internal): Likewise. + * config/arm/arm.md (andsi3_compare0_scratch): Likewise. + * config/i960/i960.md (branch patterns): Likewise. + * config/ia64/ia64.md (tbit_and_0): Likewise. + (tbit_and_1, tbit_or_0, tbit_or_1): Likewise. + * config/m68k/m68k.md (zero_extract memory patterns): Likewise. + * config/mips/mips.md (divmodsi4_internal): Likewise. + (divmoddi4_internal): Likewise. + * config/rs6000/rs6000.md (call patterns): Likewise. + * config/sh/sh.md (movsi_y): Likewise. + * config/sparc/sparc.md: Comment out if 0 v8p shift pattern. + +2000-11-28 Richard Henderson <rth@redhat.com> + + * config.gcc: Kill residual pyramid support. + +2000-11-28 Neil Booth <neilb@earthling.net> + + * c-lex.h (parse_in): Change parse_in to a cpp_reader *. + * c-decl.c (c_decode_option): Update to match. + * c-lex.c (init_c_lex, yyparse): Update to match. + * c-lang.c (lang_init_options): Use cpp_create_reader. + * cppinit.c (cpp_init): Rename initialize. + (cpp_reader_init): Rename cpp_create_reader. Create the + reader. Initialize cpplib if appropriate. + * cpplib.h (cpp_create_reader) New prototype. + (cpp_init, cpp_reader_init): Delete prototypes. + * cppmain.c (general_init, setup_callbacks): New functions. + (main): Use them. + * fix-header.c (scan_in): Change type to cpp_reader *. + (read_scan_file): Update for new cpplib interface and scan_in type. + + * cp/decl.c (parse_in): Change to cpp_reader *. + (lang_decode_option): Update. + * cp/lex.c (lang_init_options): Use new cpplib interface. + (init_cp_pragma, finish_parse, handle_pragma_implementation): Update. + * cp/spew.c (read_token): Update. + * objc/objc-act.c (lang_init_options): Update new cpplib interface. + +2000-11-28 Jakub Jelinek <jakub@redhat.com> + + * loop.c (load_mems): Avoid using next_label to find end_label. If + jumping outside of the loop (other than loop end), don't hoist MEMs + out of loop. + +2000-11-28 Jan Hubicka <jh@suse.cz> + + * calls.c (expand_call): Don't disable tail recursion based + on the loop nest. + +2000-11-28 Neil Booth <neilb@earthling.net> + + * tradcpp.c (enum node_type): New hash types T_ASSERT, T_UNASSERT. + (struct directive): Drop 4th argument from handlers. + (do_define, do_line, do_include, do_undef, do_else, do_elif, + do_endif): Similarly. + (do_assert, do_unassert, do_ifdef, do_ifndef): New handlers. + (do_ifxdef): Update as common handler of do_ifdef and do_ifndef. + (make_definition, make_undef): Take a const char*. + (make_assertion): New function. + (struct directive_table): Update. + (main): Handle -A command line argument. + (handle_directive): Drop fourth handler argument. + +2000-11-28 Bernd Schmidt <bernds@redhat.co.uk> + + * simplify-rtx.c (cselib_record_sets): Ignore sets whose destination + is anything but REG or MEM, but look inside STRICT_LOW_PART. + +Tue Nov 28 09:53:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * system.h (IS_DIR_SEPARATOR): Use uppercase macro name. + (IS_ABSOLUTE_PATHNAME): New macro. + * gcc.c (find_a_file, process_command, do_spec_1, main): Use it. + +2000-11-28 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.md (truncxfsf2_2): Fix predicate. + +2000-11-27 Jim Wilson <wilson@redhat.com> + + * reload1.c (reload): Use HOST_WIDE_INT for old_frame_size. + +2000-11-27 Matthias Klose <doko@cs.tu-berlin.de> + + * extend.texi (Nested Functions): Update URL of Usenix paper. + +2000-11-27 Mark Mitchell <mark@codesourcery.com> + + * function.c (free_after_compilation): Clear x_clobber_return_insn. + +2000-11-27 Neil Booth <neilb@earthling.net> + + * cppinit.c (cpp_reader_init): Remove handling of warn_paste + command line options. + (cpp_handle_option): Similarly. + * cpplib.h (struct cpp_options): Remove warn_paste. + * cppmacro.c (paste_tokens): Apart from assembler, make + unpasteable token warning mandatory. + +2000-11-27 Neil Booth <neilb@earthling.net> + + * tradcpp.c (enum pending_dir_t, struct pending_dir): New. + (main): Allocate a pending directive set of these. Use it. + Merge handling of -D and -U. Update handling of pending + directives. Free the memory after use. + +2000-11-27 Bernd Schmidt <bernds@redhat.co.uk> + + * flow.c (entry_exit_blocks): Add entry for cond_local_set. + (struct propagate_block_info): Add new member cond_local_set. + (propagate_block): Accept new arg cond_local_set. All callers + changed. + (init_propagate_block_info): Likewise. + (calculate_global_regs_live): Allocate & free cond_local_set. Always + rescan if there's overlap between cond_local_set and new_live_at_end. + (mark_set_1): Set bits either in cond_local_set or local_set, as + appropriate. + * basic-block.h (struct basic_block_def): New field cond_local_set. + (propagate_block, init_propagate_block_info): Update prototypes. + +Mon Nov 27 17:29:44 2000 kaz Kojima <kkojima@rr.iij4u.or.jp> + + * gcc/config/sh/sh.md (udivsi3_i4, udivsi3_i4_single): Clobber + T register. + +2000-11-27 Richard Earnshaw <rearnsha@arm.com> + + * arm.c (select_dominance_cc_mode): Handle new way that combine + canonicalizes conditional compares. + (arm_select_cc_mode): Likewise. + * arm.md: Garbage collect some dead code. + (cmp_and, cmp_ior): New patterns. + (splitter for conditional move with inverted false): Use cond_exec + and handle unordered comparisons. + +Mon Nov 27 17:22:56 MET 2000 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_force_to_memory, ix86_free_from_memory): New. + * i386-protos.h (ix86_force_to_memory, ix86_free_from_memory): Declare + * i386.md (float?i?f, int/fp operations): Rewrite spliters to use + ix86_force_to_memory and ix86_free_from_memory. + +2000-11-27 Richard Earnshaw <rearnsha@arm.com> + + * arm.md (arm_adddi3, adddi_sesidi_di, adddi_zesidi_di, arm_addsi3, + arm_subsi3_insn, anddi_zesidi_di, arm_andsi3_insn, anddi_notdi_di, + anddi_notzesidi_di, anddi_notsesidi_di, arm_iorsi3, + one_cmpldi2): Merge with splitters to create define_insn_and_split + patterns. Remove redundant splits. + (peephole2 for add:SI of invalid immediate): New. + (peephole2 for minus:SI of invalid immediate): New. + (peephole2 for ior:SI of invalid immediate): New. + (peephole for merge of move and compare): Convert ot peephole2. + (addsf3, adddf3): Mark as commutative. + + * arm.md (thumb peephole for merging stack adjustments): Convert to + peephole2. + +2000-11-27 Bernd Schmidt <bernds@redhat.co.uk> + + * haifa-sched.c (print_pattern): Prettier output for COND_EXEC. + + * reload1.c (reload_cse_simplify_set): Pass down mode to cselib_lookup. + (reload_cse_simplify_operands): Do nothing about operands where both + the operand and the match_operand fail to give us a mode. + * simplify-rtx.c (wrap_constant): New function. + (entry_and_rtx_equal_p): Except integer constants to come wrapped in a + CONST describing the proper mode. + (rtx_equal_for_cselib_p): Pass down modes to recursive calls of + cselib_lookup. + (cselib_lookup_mem): Call wrap_constant on the rtx that is passed to + htab_find_slot_with_hash. + (cselib_lookup): Likewise. + + Based on a patch from Geoff Keating <geoffk@redhat.com>: + * loop.c (basic_induction_var): If a REG is set from something + that is not a biv, then the REG is not a biv. Even if it is + earlier set from something that is a biv. + +2000-11-27 Alexandre Oliva <aoliva@redhat.com> + + * configure.in (extra_objs): Enclose extra_headers in quotes. + * configure: Rebuilt. + +2000-11-27 Neil Booth <neilb@earthling.net> + + * c-lex.c (cb_enter_file, cb_leave_file, cb_rename_file): + Combine into the new function cb_change_file. + (init_c_lex): Update. + * cppfiles.c (stack_include_file): Use _cpp_do_file_change. + (cpp_syshdr_flags): Delete. + * cpphash.h (_cpp_do_file_change): New prototype. + Move struct cpp_buffer here from... + * cpplib.h (struct cpp_buffer): ... here. + (enum cpp_fc_reason, struct cpp_file_loc, + struct_cpp_file_change, change_file): New. + (enter_file, leave_file, rename_file, cpp_syshdr_flags): Delete. + * cpplib.c (do_line): Update for new cb_change_file callback. + (_cpp_do_file_change): New function. + (_cpp_pop_buffer): Update to use it. + * cppmain.c (move_printer): Delete. + (main): Set up single callback cb_change_file. + (cb_enter_file, cb_leave_file, cb_rename_file): Delete. + (cb_change_file): New. + * fix-header.c (cur_file, cb_change_file): New. + (recognized_function, read_scan_file): Update. + * scan-decls.c (scan_decls): Update. + * scan.h (recognized_function): Update prototype. + +2000-11-26 Mark Mitchell <mark@codesourcery.com> + + * tree.h (mark_tree_hashtable): New function. + * tree.c (mark_tree_hashtable_entry): New function. + (mark_tree_hashtable): Likewise. + +2000-11-27 Michael Meissner <meissner@redhat.com> + + * d30v-protos.h (srelational_si_operator): Correctly spell + function. + (urelational_si_operator): Ditto. + (relational_si_operator): Ditto. + (d30v_expand_prologue): Add prototype. + (d30v_expand_epilogue): Ditto. + + * d30v.h (OPTIMIZATION_OPTIONS): Undo November 22nd change. + + * d30v.md (movcccc_*): Delete now unused patterns. + (64 bit comparison splitters): Rewrite to use COND_EXEC instead of + IF_THEN_ELSE. + (define_cond_exec): Use 'b' to select branch flags. + +2000-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (expand_builtin_strncmp, expand_builtin_strncpy): New + functions. + (expand_builtin): Handle BUILT_IN_STRNCPY and BUILT_IN_STRNCMP. + + * builtins.def (BUILT_IN_STRNCPY, BUILT_IN_STRNCMP): New entries. + + * c-common.c (c_common_nodes_and_builtins): Declare builtin + strncpy and strncmp. + + * extend.texi (strncmp, strncpy): Document new builtins. + +2000-11-26 Mark Mitchell <mark@codesourcery.com> + + * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Use a hash table, not + a list, to keep track of the sections. + * tm.texi (ASM_OUTPUT_SECTION_NAME): Document the fact that the + parameter provided will always be a canonical string. + +2000-11-26 Neil Booth <neilb@earthling.net> + + * cppmacro.c (cpp_scan_buffer_nooutput): Only scan the + current buffer. + +2000-11-26 Joseph S. Myers <jsm28@cam.ac.uk> + + * makefile.vms: Remove EGCS references. + +2000-11-26 Ulrich Drepper <drepper@redhat.com> + + * dwarf2out.c (output_file_names): New function. Compute minimal + combination of directory and file name table and emit them. + (output_line_info): Remove code to emit directory and file name + table and call output_file_names instead. + (file_info_cmp): Helper function to sort directory names. + +2000-11-26 Neil Booth <neilb@earthling.net> + + * cpplib.h (struct cpp_reader): Remove lang_asm. + (struct cpp_options): Remove c89. New members lang, + extended_numbers. + * cppexp.c (parse_number): Use them. + * cpphash.h (VALID_SIGN): Use them. + * cppinit.c (set_lang, cpp_start_read): Update. + * cpplex.c (parse_string, _cpp_lex_token): Update. + * cpplib.c (_cpp_handle_directive): Update. + * cppmacro.c (parse_args): Update. + * cppmain.c (scan_buffer): Update. + +Sun Nov 26 10:02:37 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * fold-const.c (fold, case CONVERT_EXPR): Always return tree of + proper type. + +2000-11-26 Neil Booth <neilb@earthling.net> + + * Makefile.in: Remove MAYBE_CPPLIB and maybe_cpplib. + * c-decl.c: Remove parse_in declaration. + * c-lang.c: Similarly. + * c-lex.c: Similarly. + * c-parse.in: Similarly. + * c-pragma.c: Similarly. + * configure.in: Similarly. + * cp/Make-lang.in: Similarly. + * cp/spew.c: Similarly. + * cp/decl2.c: Remove check for lang-c++ option. + * cp/lang-specs.h: Remove -lang-c++ from cc1plus command line. + * cp/lex.c (lang_init_options): With cpp_reader_init, default to C++. + * c-lex.h: Add declaration of parse_in. + * cppinit.c: Call set_lang after allocating pfile->pending. + * configure: Regenerate. + +2000-11-25 Zack Weinberg <zack@wolery.stanford.edu> + + * combine.c (try_combine): Remove redundant test. + +2000-11-25 Richard Henderson <rth@redhat.com> + + * c-common.h (DECL_C_HARD_REGISTER): New. + * c-decl.c (finish_decl): Set it for asm register variables. + * c-semantics.c (emit_local_var): Test it when instantiating one. + +2000-11-25 Richard Henderson <rth@redhat.com> + + * c-decl.c (c_expand_body): Use DECL_SOURCE_LINE rather than + lineno for the start of the function. + +2000-11-25 Richard Henderson <rth@redhat.com> + + * dwarf2out.c (file_table, file_table_allocated): Remove. + (file_table_allocated): Remove. + (struct file_table): New. + (decl_file_table, line_file_table): New. + (print_dwarf_line_table): Use them. + (size_of_line_prolog): Likewise. + (output_line_info): Likewise. + (add_src_coords_attributes): Likewise. + (gen_subprogram_die): Likewise. + (gen_variable_die): Likewise. + (dwarf2out_add_library_unit_info): Likewise. + (dwarf2out_line): Likewise. + (lookup_filename): Take a struct file_table argument. + (init_file_table): New. + (dwarf2out_init): Use it. + +2000-11-25 Joseph S. Myers <jsm28@cam.ac.uk> + + * invoke.texi: Update sequence points references. + +2000-11-25 Neil Booth <neilb@earthling.net> + + * c-common.c: Remove USE_CPPLIB conditional inclusions. + * c-common.h: Similarly. + * c-decl.c: Similarly. + * c-lang.c: Similarly. + * c-lex.c: Similarly. + * c-parse.in: Similarly. + * c-pragma.c: Similarly. + * c-pragma.h: Similarly. + * gcc.c: Similarly. + * toplev.c: Similarly. + * cp/cp-tree.h: Similarly. + * cp/decl2.c: Similarly. + * cp/lang-specs.h: Similarly. + * cp/lex.c: Similarly. + * cp/lex.h: Similarly. + * cp/spew.c: Similarly. + * java/lang-options.h: Similarly. + * objc/lang-specs.h: Similarly. + * objc/objc-act.c: Similarly. + + * configure.in: Remove configure option. + * config.in: Regenerate. + * configure: Regenerate. + +2000-11-25 Richard Henderson <rth@redhat.com> + + * haifa-sched.c (sched_analyze_1, sched_analyze_2, sched_analyze): + Revert 2000-11-22 change. + +2000-11-25 Bernd Schmidt <bernds@redhat.co.uk> + + * config/i386/i386.h (FIXED_REGS): Make the three flags registers + fixed. + +2000-11-25 Philipp Thomas <pthomas@suse.de> + * configure.in (ALL_LINGUAS): Remove en_GB and add sv. + * configure: Rebuilt. + +2000-11-25 Jakub Jelinek <jakub@redhat.com> + + * config/sparc/sparc.md (muldi3_v8plus): Remove H constraint. + Handle CONST_INT as second argument. + * config/sparc/sparc.c (set_extends): Remove first argument. + Properly handle AND, CONST_INT and CONST_DOUBLE, handle IOR, XOR and + MOV. + (sparc_check_64): Abort if first argument is not REG. + If it is DImode REG, look at the lower register of the register + pair. + + * config/sparc/sparc.c (load_pic_register, restore_regs, + output_return, sparc_v8plus_shift, sparc_function_profiler, + sparc_function_block_profiler, sparc_block_profiler): Fix output + formatting. + +2000-11-25 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.h (TARGET_NONE): New. + (TARGET_SWITCHES): For all variant-selecting switch, use + TARGET_NONE to reset all other variant-selecting switch. Added + empty strings to avoid warnings. + (TARGET_DEFAULT): Set to SH1_BIT. + + * Makefile.in ($(INTL_TARGETS)): Added $(CONFIG_H) for + insn-codes.h. + + * gcc/config/sh/sh.md (sibcalli, sibcalli_pcrel): New insns. + (sibcall_pcrel): New insn_and_split. + (sibcall, sibcall_value, sibcall_epilogue): New expands. + + * config/sh/sh.md (GOTaddr2picreg, symGOT2reg, symGOTOFF2reg, + symPLT_label2reg, call, call_value): Don't set + current_function_uses_pic_offset_table. + * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Don't mark + PIC_OFFSET_TABLE_REGNUM as call_used, so that calc_live_regs + takes it into account. + (FINALIZE_PIC): Delete, useless. + (LEGITIMATE_CONSTANT_P): Delete, unused. + * config/sh/sh.c (sh_expand_prologue): Don't use + current_function_uses_pic_offset_table. Don't special-case + PIC_OFFSET_TABLE_REGNUM. Initialize it if it's ever live and + PIC is enabled. + (sh_expand_epilogue, initial_elimination_offset): Don't + special case PIC_OFFSET_TABLE_REGNUM. + +2000-11-25 Alexandre Oliva <aoliva@redhat.com>, NIIBE Yutaka <gniibe@m17n.org> + + * config/sh/sh-protos.h (symbol_ref_operand): Declare. + * config/sh/sh.md (UNSPEC_CALLER): New constant. + (calli_pcrel, call_valuei_pcrel): Use PIC_REG. + (call_pcrel, call_value_pcrel): New insn_and_splits. + (call, call_value): Use them. + (call_site): New expand. + (sym_label2reg, symPLT_label2reg): Adjust to hold call_sites. + * config/sh/sh.h (OUTPUT_ADDR_CONST_EXTRA) [UNSPEC_CALLER]: + Output call_site label. + (PREDICATE_CODES): Added symbol_ref_operand. + * config/sh/sh.c (symbol_ref_operand): Define. + * emit-rtl.c (try_split): Propagate CALL_INSN_FUNCTION_USAGE + to CALL_INSNs in the split sequence. + +2000-11-24 Nick Clifton <nickc@redhat.com> + + * config.gcc (v850-*-*): Define c_target_objs and + cxx_target_objs. + + * config/v850/t-v850: Define how to build v850-c.o + + * config/v850/v850.h (struct data_area_stack_element): Move + definition here from v850.c. + + * config/v850v850.c: Include gcc.h to avoid compile time + warning. + (push_data_area): Move to v850-c.c. + (pop_data_area): Move to v850-c.c. + (mark_current_function_as_interrupt): Move to v850-c.c. + (GHS_default_section_names): Allow to be exported. + (GHS_current_section_names): Allow to be exported. + (data_area_stack_elements): Allow to be exported. + (ghs_pragma_section): Move to v850-c.c. + (ghs_pragma_interrupt): Move to v850-c.c. + (ghs_pragma_starttda): Move to v850-c.c. + (ghs_pragma_startsda): Move to v850-c.c. + (ghs_pragma_startzda): Move to v850-c.c. + (ghs_pragma_endtda): Move to v850-c.c. + (ghs_pragma_endsda): Move to v850-c.c. + (ghs_pragma_endzda): Move to v850-c.c. + + * config/v850/v850-c.c: New file: Contains v850 specific + pragma parsing functions. + +2000-11-24 Nick Clifton <nickc@redhat.com> + + * config.gcc (extra_objs): Remove duplicate description. + (c_target_objs): New variable. Contains target specific + object files for the gcc C compiler only. + (cxx_target_objs): New variable. Contains target specific + object files for the gxx C++ compiler only. + + * configure.in (c_target_objs): Substitute in the makefile. + (cxx_target_objs): Substitute in the makefile. + * configure: Regenerate. + + * Makefile.in (C_TARGET_OBJS): Define and initialise from + c_target_objs. + (CXX_TARGET_OBJS): Define and initialise from + cxx_target_objs. + (C_AND_OBJC_OBJS): Include C_TARGET_OBJS. + + * cp/Make-lang.in (CXX_C_OBJS): Include CXX_TARGET_OBJS). + + * tm.texi (REGISTER_TARGET_PRAGMAS): Add paragraph explaining + about how the use of the 'c_lex' function requires the use of + the target specific, language specific object files feature of + the configuration mechanism. + +Fri Nov 24 18:50:58 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * gcc.c (process_command): Use F_OK, not R_OK. + +2000-11-24 Arno J. Klaassen <arno@heho.snv.jussieu.fr> + + * flow.c (print_rtl_and_abort): Remove ANSIism. + +Fri Nov 24 19:54:36 2000 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.h (GENERAL_REGISTER_P, + GENERAL_OR_AP_REGISTER_P, FP_REGISTER_P, XD_REGISTER_P, + FP_OR_XD_REGISTER_P, FP_ANY_REGISTER_P): New macros. Use them + all over. + (SPECIAL_REG): Renamed to SPECIAL_REGISTER_P. + * config/sh/sh.c: Use new macros. + * config/sh/sh.md: Likewise. + +Fri Nov 24 19:46:16 2000 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.md: Clobber MACH_REG and MACL_REG in SImode, + instead of just MACH_REG in DImode. Always refer to FPSCR_REG + in PSImode. + +Fri Nov 24 22:37:41 2000 Denis Chertykov <denisc@overta.ru> + + * config/avr/avr.c (out_tsthi,out_tstsi): Test simplification bug + fixed. + (machine_dependent_reorg): Wrong optimization based on + NOTICE_UPDATE_CC removed. + +Fri Nov 24 19:48:09 2000 J"orn Rennecke <amylaar@redhat.com> + + * jump.c (delete_computation): Re-instate deletion of feeding insn. + (delete_insn): Look for REG_LABEL notes. + (redirect_tablejump): Delete feeding insns. + +2000-11-24 Bernd Schmidt <bernds@redhat.co.uk> + + * config/i386/i386.md (call_pop_0, call_pop_1, call_value_pop_0, + call_value_pop_1): Make sure operand numbers are contiguous. + + * fold-const.c (fold_range_test): Avoid crash if LHS or RHS is null. + + * reload1.c (conflicts_with_override): New function. + (emit_input_reload_insns): Use it to tighten test for validity + of substituting into output of previous insn. + + * haifa-sched.c (struct ready_list): New. + (ready_lastpos, ready_add, ready_remove_first, ready_sort): New static + functions. + (schedule_insn): Replace args READY and N_READY with a pointer to a + ready_list; return void. Use the new functions to access the ready + list. All callers changed. + (queue_to_ready, debug_ready_list): Likewise. + (schedule_block): Initialize a ready_list structure. Use new + functions to access it. + (max_priority): Remove unused variable. + (schedule_insn): Don't set it. + + * c-common.c (verify_tree): Don't recurse into CONSTRUCTORs. + + * combine.c (cant_combine_insn_p): New function. + (try_combine): Use it. + + * Makefile.in (c-common.o): Depend on $(OBSTACK_H). + * c-common.c (c-obstack.c): Include "obstack.h". + (struct reverse_tree): Delete. + (reverse_list, reverse_max_depth): Delete. + (build_reverse_tree, common_ancestor, modify_ok): Delete functions. + (struct tlist, struct tlist_cache): New. + (tlist_obstack, tlist_firstobj, warned_ids, save_expr_cache): New. + (add_tlist, merge_tlist, verify_tree, warning_candidate_p, + warn_for_collisions, warn_for_collisions_1, new_tlist): New + static functions. + (verify_sequence_points): Rewritten. + * fold-const.c (fold): Don't lose possibly important sequence + points when removing one arm of TRUTH_ORIF_EXPRs or TRUTH_ANDIF_EXPRs. + +2000-11-24 Richard Sandiford <rsandifo@redhat.com> + + * gcc/cse.c (cse_insn): Removed conversion of REG_EQUIV to REG_EQUAL + when reversing a register-to-register copy. Reversal now disabled + when the previous instruction has a REG_EQUIV. + +2000-11-24 Nathan Sidwell <nathan@codesourcery.com> + + * c-parse.in (unary_expr): Move VA_ARG from here ... + (primary): ... to here. + +2000-11-23 Graham Stott <grahams@redhat.com> + + * expr.c (store_constructor): If a field is non addressable and + the target is a MEM use MEM_ALIAS_SET otherwise use get_alias_set. + +2000-11-23 Bernd Schmidt <bernds@redhat.co.uk> + + * flow.c (print_rtl_and_abort): New function. + (verify_wide_reg, verify_local_live_at_start): Try to dump more + information before aborting. + +2000-11-23 Alexandre Oliva <aoliva@redhat.com> + + * emit-rtl.c (gen_lowpart_common): Use word 0 if register mode + is narrower than requested mode. + (gen_highpart): Abort if register mode is narrower than + requested mode. + +2000-11-23 Graham Stott <grahams@redhat.com> + + * cse.c (cse_insn): Initialise all regcost variables. + Fix a typo add missing '='. + Only compare costs if there is a replacement insn. + +Thu Nov 23 04:33:33 2000 Alexandre Oliva <aoliva@redhat.com> + + * final.c (output_addr_const) [LABEL_REF]: Simplify. + [MINUS]: Enclose non-CONST_INTs in parentheses. + [default]: Try OUTPUT_ADDR_CONST_EXTRA. + * tm.texi (OUTPUT_ADDR_CONST_EXTRA): Document it. + * varasm.c (decode_rtx_const) [CONST]: If it's not something + PLUS or MINUS a CONST_INT, use the whole CONST with offset 0 + instead of abort()ing. + * sh.c (output_pic_addr_const): Removed. Fixed all callers. + * sh.h (OUTPUT_ADDR_CONST_EXTRA): New. Handle the UNSPECs + formerly handled in output_pic_addr_const. + * sh.md (sym_label2reg, symPLT_label2reg): Enclose UNSPEC + operands of MINUS in CONSTs so that decode_rtx_const() will + accept them. + +Thu Nov 23 04:10:30 2000 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.md (mova_const): New pattern. + (GOTaddr2picreg): Use it. + * config/sh/sh.c (broken_move): Match it. + (mova_p): Don't match it. + (machine_dependent_reorg): Adjust it. + +Thu Nov 23 02:09:09 2000 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.h (FIRST_GENERAL_REG, LAST_GENERAL_REG): New. + Moved most register-number #defines... + * config/sh/sh.md (define_constants): ... here. Use macros to + refer to registers and unspecs. + * config/sh/sh.c: Likewise. + +Thu Nov 23 01:01:32 2000 J"orn Rennecke <amylaar@redhat.com> + + * Makefile.in (HOST_CFLAGS): Add -DGENERATOR_FILE. + (rtl.o, print-rtl.o, bitmap.o, obstack.o): Build with -DGENERATOR_FILE. + (alloca.o, vfprintf.o, ggc-none.o, errors.o): Likewise. + (splay-tree.o, hash.o): Likewise. + GCONFIG_H: New. + (rtl.o, print-rtl.o): Depend on $(GCONFIG_H) instead of $(CONFIG_H). + (bitmap.o, obstack.o, vfprintf.o, ggc-none.o, errors.o): Likewise. + (hashtab.o): Likewise. + (gcov.o): Depend on $(CONFIG_H). + * configure.in: #include insn-codes.h in tm.h. + +2000-11-22 Nick Clifton <nickc@redhat.com> + + * config/arm/arm.c (arm_encode_call_attribute): Make 'newstr' a + const char * to avoid a compile time warning. + + * config/arm/arm.md (define_constants): Define symbolic names for + the link register, last integer register and the fake CC register. + Update patterns to use these symbolic names. + +2000-11-22 Neil Booth <neilb@earthling.net> + + * cpplex.c (trigraph_ok): Ensure we don't warn twice. + * cpplib.h (struct cpp_buffer): New member last_Wtrigraphs. + +2000-11-22 Richard Henderson <rth@redhat.com> + + * haifa-sched.c (sched_analyze_1): Don't special-case calls + for clobbering registers. + (sched_analyze_2): Likewise. + (sched_analyze): Zap reg_last_uses and reg_last_sets after calls. + +2000-11-22 Chris Demetriou <cgd@sibyte.com> + Neil Booth <neilb@earthling.net> + + * gcc.c (validate_switches): Validate multiple switches named + in '|' (or) expressions in specs. + (handle_braces): If more than 1 alternative in a '|' spec + matches, call do_spec1 just once. + +2000-11-22 Michael Meissner <meissner@redhat.com> + + * d30v.h (TARGET_SWITCHES): Add documentation strings. + (TARGET_OPTIONS): Ditto. + (OPTIMIZATION_OPTIONS): Temporarily turn off -frename-registers if + -O3. + +Wed Nov 22 06:40:56 2000 Jeffrey A Law (law@cygnus.com) + + * pa.c (hppa_encode_label): Account for addition of encoding + character when allocating persistent space for the new label + name. + +2000-11-22 Zack Weinberg <zack@wolery.stanford.edu> + + * Makefile.in, config.gcc, configure.in: Expunge remaining + traces of facility for running MD files through C preprocessor. + +2000-11-22 Joseph S. Myers <jsm28@cam.ac.uk> + + * gcov.texi: Add magic comments for texi2pod.pl. + * Makefile.in: Add rules to generate and install gcov.1. + * gcov.1: New (generated) file. + +2000-11-21 Richard Henderson <rth@redhat.com> + + * regrename.c (scan_rtx_reg): Terminate the chain rather than + abort on mark_read with NO_REGS. + +2000-11-21 Mike Stump <mrs@wrs.com> + + * fixinc/fixtests.c (TEST_FOR_FIX_PROC_HEAD): Fix to allow + compilation with older compilers, such as /bin/cc on SunOS. + * fixinc/fixfixes.c (FIX_PROC_HEAD): Ditto. + +2000-11-21 Richard Henderson <rth@redhat.com> + + * varasm.c (record_constant): Pad the constructed + constant_descriptor appropriately. + +Wed Nov 22 00:52:55 2000 J"orn Rennecke <amylaar@redhat.com> + + * rtl.h (traverse_md_constants): Declare. + (struct md_constant): Define. + * Makefile.in (HOST_RTL): Add hashtab.o . + (OBJS): Add hashtab.o . + (hashtab.o): New rule. + (rtl.o): Depends on HASHTAB_H. + * rtl.c (hashtab.h): #include. + (md_constants): New static variable. + (def_hash, def_name_eq_p, read_constants): New static functions. + (traverse_md_constants): New function. + (read_name): Do constant expansion. + (read_rtx): Recognize define_constants. + * gencodes.c (print_md_constant): New function. + (main): Emit #defines for all constant definitions encountered. + * md.texi (Constant Definitions): New node. + * gensupport.c (xcalloc): New function. + +2000-11-21 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.c (alpha_split_tfmode_frobsign): New. + * config/alpha/alpha-protos.h: Declare it. + * config/alpha/alpha.md (abstf_internal): Use it. + (negtf_internal): Likewise. + (andnotdi3): Unstar the name. + (movtf_internal): Add o/G alternative. + +2000-11-21 Zack Weinberg <zack@wolery.stanford.edu> + + * stringpool.c (stringpool_statistics): Also report number and + percentage of entries which are identifiers. + +2000-11-21 Diego Novillo <dnovillo@redhat.com> + + * gcse.c (hoist_expr_reaches_here_p): Do not mark expr_bb as + visited before visiting it. + +2000-11-21 Nick Clifton <nickc@redhat.com> + + * config/arm/arm.h: Accept TARGET_CPU_arm9tdmi, + TARGET_CPU_strongarm110 and TARGET_SPU_strongarm1100. + + * config.gcc: Accept --with-cpu=arm9 and --with-cpu=arm9tdmi. + +2000-11-21 Richard Henderson <rth@redhat.com> + + * c-common.c (c_unsafe_for_reeval): New function. + (add_c_tree_codes): Register it. + * c-common.h: Declare it. + * tree.c (lang_unsafe_for_reeval): New hook. + (unsafe_for_reeval): Call it. + * tree.h: Declare it. + +2000-11-21 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (i386_simplify_dwarf_addr): Simplify @GOT + references as well. + +2000-11-21 Neil Booth <neilb@earthling.net> + + * do_includes: Revert to using cpp_read_file. + +2000-11-21 Bernd Schmidt <bernds@redhat.co.uk> + + * loop.c (consec_sets_giv): If the reg we're examining is anything + but UNKNOWN_INDUCT, do nothing. + Reset the reg's type to UNKNOWN_INDUCT before returning. + + Mostly from Vladimir Makarov (vmakarov@redhat.com) + * ia64.md (attr itanium_class): Define insn types as described in + Itanium docs. + (all insn patterns): Use itanium_class, not type attributes. + Occasionally split alternatives as necessary. + (attr type): Compute from new attr itanium_class. + +2000-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * tradcpp.c (output_line_command): Mark system headers as such in + `line' commands. + +2000-11-21 Jakub Jelinek <jakub@redhat.com> + + * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Sparc has .file/.loc + support in as as well. + * configure: Regenerate. + +2000-11-20 Richard Henderson <rth@redhat.com> + + * c-lex.c (orig_filename): New variable. + (init_c_lex): Set it. Move call to cpp_start_read ... + (yyparse): ... here. New function. + * c-parse.in (yyparse_1): Rename the parser entry point. + * c-tree.h: Declare it. + +2000-11-21 Jakub Jelinek <jakub@redhat.com> + + * expr.c (do_compare_and_jump): If op0 was replaced by promoted + integer constant, use type of op1 for comparison. + +2000-11-20 Stan Shebs <shebs@apple.com> + + * config/rs6000/xm-darwin.h: New file, Darwin host definitions. + * config/rs6000/x-darwin: New file, Darwin host fragment. + * config.gcc (powerpc-*-darwin*): New host. + * system.h (HAVE_DESIGNATED_INITIALIZERS): Allow this to be + overridden by a config file. + +2000-11-20 Neil Booth <neilb@earthling.net> + + * cppmacro.c (paste_tokens): Rename from paste_payloads. + Change token type after pasting spellings. + (paste_all_tokens): Use it. + * gcc.dg/cpp/paste2.c: Update test. + * objc/execute/paste.m: New test. + +2000-11-20 Richard Henderson <rth@redhat.com> + + * dwarf.h (FMT_CODE): Adjust argument order; fix mapping to + dwarf_subscr_data_formats bits. + * dwarfout.c (simple_type_size_in_bits): Handle a type with + no computed size as size zero. + (field_byte_offset): Likewise. + (subscript_data_attribute): Handle a range with no upper bound. + +2000-11-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * gansidecl.h (const): Check __STDC__ before undef'ing `const'. + +2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-typeck.c (build_conditional_expr): When merging type + qualifiers for conditional expressions between a pointer and a + pointer to a void type, merge the qualifiers on the target types + rather than the pointer type. Remove obsolete conditioned out + code. + +2000-11-20 Neil Booth <neilb@earthling.net> + + * c-lang.c (lang_init_options): Update call to + cpp_reader_init. + * cppmain.c (main): Similarly. + * fix-header.c (read_scan_file): Similarly. + * cp/lex.c (lang_init_options): Similarly. + * objc/objc-act.c (lang_init_options): Similarly. + * cppexp.c (parse_number): Only warn for unextended C89. + * cppinit.c (set_lang): New function. + (cpp_reader_init): Take a LANG argument and pass it to set_lang. + (COMMAND_LINE_OPTIONS): New option std=c++98. + (cpp_handle_option): Use set_lang. + * cpplex.c (_cpp_lex_token): Warn pedantically if not C99. + * cppib.h (enum_c_lang): New enumeration. Update comments. + +2000-11-20 Will Cohen <wcohen@redhat.com> + + * calls.c (expand_call): Clear target only when target is in + hard register and current_function_check_memory_usage is set. + +2000-11-20 Bernd Schmidt <bernds@redhat.co.uk> + + * toplev.c (rest_of_compilation): Run optimize_mode_switching even + if not optimizing. + * sh.c (emit_sf_insn, emit_df_insn): Just call emit_insn. + +2000-11-19 Richard Henderson <rth@redhat.com> + + * crtstuff.c (force_to_data): Use array size 1 not 0. + + * dwarf2out.c (simple_type_size_in_bits): Handle a type with + no computed size as size zero. + (field_byte_offset): Likewise. + +2000-11-20 Joseph S. Myers <jsm28@cam.ac.uk> + + * config.gcc: Fix another typo. + +2000-11-19 Richard Henderson <rth@redhat.com> + + * c-decl.c (grokdeclarator): Support flexible array members. + Use open-ended ranges for these and zero-length arrays. + * c-typeck.c (push_init_level): Validate the context of + initialization of a zero-length array. + * tree.c (int_fits_type_p): Be prepared for missing bounds. + * varasm.c (array_size_for_constructor): New. + (output_constructor): Use it for arrays of unspecified length. + * extend.texi (Zero Length): Mention C99 flexible array members. + Document initialization in a top-level struct as valid. + +2000-11-19 Joseph S. Myers <jsm28@cam.ac.uk> + + * config.gcc, invoke.texi: Fix errors in spelling of "deprecated". + + * alias.c (mems_in_disjoint_alias_sets_p): Do use alias sets in + stdarg and varargs functions. + +2000-11-19 Zack Weinberg <zack@wolery.stanford.edu> + + * gcc.c (process_command): Define 'j' variable when + MODIFY_TARGET_NAME is defined. + +2000-11-19 Richard Henderson <rth@redhat.com> + + * stor-layout.c (variable_size): Only put SAVE_EXPRs on pending_sizes. + +2000-11-19 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * rs6000/rs6000.c (rs6000_encode_section_info): Fix string length + calculation and allocation. + +2000-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (c_getstr): Constify variable. + * gmon-sol2.c (_mcleanup): Comment out #endif labels. + * conflict.c (const_conflict_graph_arc): New typedef. + (arc_hash, arc_eq): Avoid needlessly casting away const-ness. + * cppmacro.c (builtin_macro): Likewise. + * dwarf2out.c (output_comp_unit): Constify variable. + * fix-header.c (v_fatal): Add ATTRIBUTE_PRINTF. + * protoize.c (IS_SAME_PATH_CHAR): Use TOUPPER, not toupper. + * ssa.c (ssa_rename_from_hash_function): Avoid needlessly casting + away const-ness. + * tradcpp.c (rescan, do_line, macroexpand, macarg): Use + ISALNUM/ISDIGIT/ISPRINT, not isalnum/isdigit/isprint. + * varasm.c (const_str_htab_hash, const_str_htab_eq, + compare_constant_1, record_constant_1): Constify. + +2000-11-18 Richard Henderson <rth@redhat.com> + + * c-decl.c (grokdeclarator): Special case the creation of an + index for a zero-length array. + * tree.c (build_index_type): Revert Oct 20 change. + +2000-11-18 Marek Michalkiewicz <marekm@linux.org.pl> + + * config/avr/avr-protos.h (avr_output_addr_vec_elt): Prototype. + * config/avr/avr.c (jump_tables_size): New variable. + (function_prologue): Initialize it as 0. + (function_epilogue): Add it to function_size. + (avr_output_addr_vec_elt): New function. Count words in jump + tables in jump_tables_size. Move code ... + * config/avr/avr.h (ASM_OUTPUT_ADDR_VEC_ELT): ... from here. + Call avr_output_addr_vec_elt instead. + * config/avr/avr.md (tablejump): Remove disabled define_expand. + +2000-11-18 Mark Mitchell <mark@codesourcery.com> + + * configure.in: Make --enable-new-gxx-abi the default. + * configure: Likewise. + +2000-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (tradcpp.o, tradcif.o): Depend on tradcpp.h. + + * tradcif.y: Include tradcpp.h. Constify. Make functions static. + Move extern function declarations to tradcpp.h. + + * tradcpp.c: Likewise. + + * tradcpp.h: New file. + +2000-11-18 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-decl.c (check_for_loop_decls): New function. + * c-parse.in (for_init_stmt): New. + (select_or_iter_stmt): Use for_init_stmt. + * c-tree.h (check_for_loop_decls): New declaration. + +2000-11-18 Neil Booth <neilb@earthling.net> + + * cppinit.c: Update comments. + (cpp_reader_init): Make -imacro and -include use the standard + #include "" search path. + (do_includes): New function. + +2000-11-18 Ben Elliston <bje@redhat.com> + + * config/sh/crt1.asm (start_l): Move PC-relative move instruction + out of a branch delay slot. + +2000-11-17 Richard Henderson <rth@redhat.com> + + * config/alpha/elf.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG. + (ASM_SPEC): Disable and enable .mdebug based on -gstabs. + (ASM_FILE_START): Only write out ecoff .file directive if + emitting mdebug debugging. + +2000-11-17 Richard Henderson <rth@redhat.com> + + * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): New. Detect + whether as accepts .file/.loc and produces dwarf2 line info. + * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Default on if + the assembler supports it. + * config.in, configure: Regenerate. + +2000-11-17 Richard Henderson <rth@redhat.com> + + * fixinc/mkfixinc.sh: Don't disable fixincludes for any linux*. + +2000-11-17 Jim Wilson <wilson@redhat.com> + + * config/ia64/ia64.c (emit_insn_group_barriers, case CALL_INSN): + Don't clear need_barrier is next_insn is a CALL_INSN, or has + instruction type B or UNKNOWN. + +2000-11-17 Neil Booth <neilb@earthling.net> + + * cpperror.c (print_file_and_line): Don't display line number if 0. + +2000-11-17 Zack Weinberg <zack@wolery.stanford.edu> + + * ggc.h: Delete ggc_add_string_root and ggc_mark_string. Add + digit_vector and digit_string. + * stringpool.c (digit_vector): New. + (ggc_alloc_string): Use digit_string. + + * stmt.c (digit_strings): Delete. + (init_stmt): Do not initialize digit_strings. + (expand_asm_operands): Use ggc.h's digit_string macro. + * toplev.c (mark_file_stack): Delete. + (compile_file): Don't call init_tree_codes. + (main): No need to make the file stack a GC root. + * tree.c (init_tree_codes): Delete. + * tree.h (init_tree_codes): Delete. + + * c-lex.c: Don't include ggc.h. + (mark_splay_tree_node, mark_splay_tree): Delete. + (init_c_lex): No need to ggc_strdup string constant. Don't add + file_info_tree to GGC roots. + (cb_enter_file, cb_rename_file): No need to ggc_strdup + ip->nominal_fname. + + * Makefile.in (c-lex.o): No longer depends on $(GGC_H). + + * dbxout.c (dbxout_init), + dwarf2out.c (dwarf2out_line), + ggc-common.c (ggc_mark_rtx_children, ggc_mark_trees), + varasm.c (mark_const_hash_entry, mark_pool_constant, init_varasm_once), + xcoffout.c (xcoffout_source_file), + i386.c (load_pic_register): + Delete call(s) to ggc_add_string_root and/or ggc_mark_string. + + * except.c (create_rethrow_ref), + profile.c (init_edge_profiler), + toplev.c (compile_file), + varasm.c (named_section, assemble_static_space, + assemble_trampoline_template, output_constant_def, force_const_mem), + i386.c (load_pic_register), + ia64.c (ia64_encode_section_info), + rs6000.c (rs6000_emit_load_toc_table, create_TOC_reference, + rs6000_emit_prologue, rs6000_emit_epilogue), + rs6000.md (load_toc_aix_si, load_toc_aix_di): + Change ggc_alloc_string (var, -1) to ggc_strdup (var). + + * profile.c (output_func_start_profiler), + tree.c (make_node), + i386.c (load_pic_register): No need to ggc_strdup string constant. + +2000-11-17 Hans-Peter Nilsson <hp@axis.com> + + * Makefile.in (config.status): Depend on config.gcc. + * configure.in <for machine in $build $host $target>: Move + contents of loop into config.gcc, removing autoconf quoting. + Fix changequote bug for alpha*-*-vxworks*. + * configure: Regenerate. + * config.gcc: New. + +2000-11-16 Zack Weinberg <zack@wolery.stanford.edu> + + * c-parse.in (if_prefix): Find the filename and line number at + $-2 and $-1 respectively. + * diagnostic.c (error_recursion): Add missing newline, use + fputs, translate string. + +2000-11-16 Zack Weinberg <zack@wolery.stanford.edu> + + * stringpool.c: New file. + * ggc-common.c (ggc_mark_string_ptr, ggc_add_string_root): Delete. + (ggc_alloc_string): Now in stringpool.o. + * ggc-page.c, ggc-simple.c: Do not define or allocate empty_string. + * ggc.h: Delete prototype of ggc_add_string_root. #define + ggc_add_string_root and ggc_mark_string to nothing. Prototype + init_stringpool and stringpool_statistics. + (ggc_alloc_string): Returns a const char *. + * tree.c (hash_table, do_identifier_warnings): Delete. + (init_obstacks): Don't initialize the identifier hash table. + (get_identifier, maybe_get_identifier, start_identifier_warnings, + set_identifier_size): Now in stringpool.c. + * tree.h (struct tree_string): Constify pointer field. + (approx_sqrt): Prototype. + + * Makefile.in (stringpool.o): Add rule, mention in OBJS. + + * toplev.c (approx_sqrt): New function. + (compile_file): Call stringpool_statistics if mem_report is on. + (main): Call init_stringpool. + + * builtins.c (c_strlen), c-decl.c (finish_decl), c-lex.c + (process_directive), c-typeck.c (constructor_asmspec, struct + initializer_stack, start_init), except.c (create_rethrow_ref), + stmt.c (digit_strings), toplev.c (decode_f_option), tree.c + (built_in_filename), varasm,c (in_named_name, + assemble_static_space, struct constant_descriptor, struct + deferred_string, struct pool_constant, force_const_mem), + i386.c (pic_label_name, global_offset_table_name), rs6000.c + (rs6000_emit_prologue, rs6000_emit_epilogue) : Constify a char *. + + * c-common.c (combine_strings): Combine strings in scratch + buffer, then pass to build_string. + * optabs.c (init_libfuncs), profile.c (init_edge_profiler, + output_func_start_profiler), stmt.c (init_stmt), alpha.c + (alpha_need_linkage), arm.c (arm_encode_call_attribute), + i386.c (load_pic_register), ia64.c (ia64_encode_section_info), + rs6000.c (rs6000_encode_section_info): Create string in + scratch buffer, then pass to ggc_alloc_string. + + * stmt.c (expand_asm_operands): If we must adjust the + constraint strings, do so by creating a new one, not by + modifying the old one in place. Constify some char *s. + * config/pa/pa.c (hppa_encode_label): Drop unnecessary second + argument. Create string in scratch buffer, then pass to + ggc_alloc_string. + * config/pa/pa-protos.h: Update prototype. + * config/pa/elf.h, config/pa/pa.h, config/pa/som.h: + hppa_encode_label takes only one argument. + +2000-11-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * mcore.c (mcore_expand_prolog): Call xmalloc/xrealloc, not + malloc/realloc. + + * cpplib.c (glue_header_name): Likewise. + + * fixincl.c (run_compiles, start_fixer): Likewise. + + * fixlib.c (load_file_data): Likewise. + + * mkdeps.c (munge): Likewise. + +2000-11-17 Hans-Peter Nilsson <hp@axis.com> + + * defaults.h [EH_FRAME_SECTION_ASM_OP] (EH_FRAME_SECTION): Remove + trailing ';'. Fix formatting. + +2000-11-16 Jim Wilson <wilson@redhat.com> + + * config/ia64/ia64.h (MASK_INLINE_DIV_LAT, MASK_INLINE_DIV_THR): + Shift masks left by one to avoid conflict. + + * config/ia64/ia64.c (ia64_encode_section_info): Disallow decls with + DECL_EXTERNAL set. + +2000-11-16 Nick Clifton <nickc@redhat.com> + + * config/arm/arm.c (output_arm_prologue): Note nested functions. + (arm_expand_prologue): For nested functions preserve the + static chain register during stack frame creation. + + * config/arm/arm.h (STATIC_CHAIN_REGNUM): Change to 12. + (ARM_INITIAL_FRAME_ELIMINATION_OFFSET): For a nested function + with a stack frame there is a 4 byte gap between the arg + pointer and the hard frame pointer (used to preserve the + static chain register during stack frame creation). + +2000-11-16 DJ Delorie <dj@redhat.com> + + * rtl.c (read_rtx): Provide suitable names for unnamed + define_insn and define_insn_and_split patterns, based on file + and line numbers. + +2000-11-15 Neil Booth <neilb@earthling.net> + + * cpplib.c (start_directive, end_directive): New functions. + (_cpp_handle_directive, run_directive): Use them. + (_cpp_handle_directive): Don't -Wtraditional on indented + null directives. + (_cpp_push_buffer): Don't re-clear was_skipping. + * cpplib.h (struct cpp_reader): New member la_saved. + * cppmacro.c (cpp_get_token): Don't interpret _Pragma in + directives. + + gcc.dg/cpp/_Pragma1.c: Update. + gcc.dg/cpp/_Pragma2.c: New test. + +2000-11-15 Mark Mitchell <mark@codesourcery.com> + + * toplev.c (wrapup_global_declarations): Don't write out + artificial static variables that aren't needed. + +2000-11-15 Bernd Schmidt <bernds@redhat.co.uk> + + * ia64.c (struct group): New structure. + (last_group): New static array. + (group_idx): New static variable. + (emit_group_barrier_after, errata_find_address_regs, errata_emit_nops): + New static functions. + (emit_insn_group_barriers): Initialize and keep track of group_idx + and last_group. + Call errata_emit_nops if TARGET_B_STEP or TARGET_A_STEP. + Replace all calls to emit_insn_after that emit a group barrier to use + emit_group_barrier_after. + * ia64.h (MASK_B_STEP): New. + (other MASK_XXX macros): Renumbered. + (TARGET_B_STEP): New. + (TARGET_SWITCHES): Add -mb-step. + +2000-11-15 Fred Fish <fnf@be.com> + + * fixinc/mkfixinc.sh (fixincludes): Add *-*-beos* to list of + machines for which fixincludes is not needed. + * config/i386/x-beos (STMP_FIXPROTO): Don't run fixproto. + +2000-11-15 Jason Merrill <jason@redhat.com> + + * diagnostic.c (finish_abort): New fn. + (fancy_abort, error_recursion): Use it. + * toplev.c (crash_signal): Likewise. + * diagnostic.h: Declare it. + +2000-11-13 Andrew Haley <aph@redhat.com> + + * tree.c (build_type_no_quals): New function. + * tree.h (build_type_no_quals): Declare. + * c-common.c (c_get_alias_set): When considering type + compatibility for pointer types, ignore cv-qualifiers anywhere in + a pointer chain. + +2000-11-15 Graham Stott <grahams@redhat.com> + + * regrename.c (scan_rtx_rtx): Skip to the next chain on + encountering a terminated chain. + +2000-11-14 Mark Mitchell <mark@codesourcery.com> + + * configure.in: Move check for V3 above check for C++ header-file + directory. + * configure: Regenerated. + +2000-11-14 DJ Delorie <dj@redhat.com> + + * config/v850/v850.c: Remove obstacks. + +Tue Nov 14 21:54:31 2000 Marek Michalkiewicz <marekm@linux.org.pl> & Denis Chertykov <denisc@overta.ru> + + * config/avr/avr.c (avr_case_values_threshold): New. + (avr_override_options): Set it depending on options, make it large + when not optimizing to work around "unable to generate reloads". + + * config/avr/avr.h (TARGET_SWITCHES): Add -mno-tablejump option. + (EXTRA_SECTION_FUNCTIONS): Make the .progmem.gcc_sw_table section + executable if not AVR_MEGA. Make sure jump tables are word-aligned. + (JUMP_TABLES_IN_TEXT_SECTION): Define as 0, not 1. + (ASM_OUTPUT_ADDR_VEC_ELT): Optimize, use "rjmp" if not AVR_MEGA. + (avr_case_values_threshold): Declare as extern int. + (CASE_VALUES_THRESHOLD): Define as avr_case_values_threshold. + + * config/avr/avr.md (tablejump): Removed. + (*tablejump_rjmp): New for jump tables made from "rjmp" instructions. + (*tablejump_lib, *tablejump_enh, *tablejump): Change to expect the + index in the table, not multiplied by 2. + (casesi): Change to match the above insns. Always enable. + + * config/avr/libgcc.S (__tablejump__): Rename to __tablejump2__. + Change to expect the word address of the table, multiply it by 2 + here and not in the caller. Change "adiw" to faster "inc". + +2000-11-14 Neil Booth <neilb@earthling.net> + + * cppexp.c (parse_defined): Call cpp_get_token not + _cpp_get_token. + (lex): Similarly. + * cpplex.c (cpp_output_line): Similarly. + * cpplib.c (glue_header_name, do_line, do_ident, + parse_answer, parse_assertion): Similarly. + (_cpp_handle_diretive): Don't save to lookaheads + when processing directives. + * cppmacro.c (parse_arg, expand_arg): Call cpp_get_token not + _cpp_get_token. + (funlike_invocation_p): Don't save to lookaheads + when pre-expanding arguments. + (_cpp_get_token): Delete. + (cpp_get_token): Merge contents of _cpp_get_token. + +2000-11-14 Jakub Jelinek <jakub@redhat.com> + + * builtins.c (expand_builtin_setjmp): Set + current_function_calls_setjmp. + (expand_builtin_longjmp): Set current_function_calls_longjmp. + + * config/sparc/sparc.md (builtin_setjmp_setup): New expand. + (do_builtin_setjmp_setup): New insn. + +Tue Nov 14 12:34:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * tree.c (get_unwidened): Use host_integerp and tree_low_cst. + (int_fits_type_p): For variable bounds, call force_fit_type. + +2000-11-14 Jakub Jelinek <jakub@redhat.com> + + * varasm.c (struct deferred_string): New structure. + (const_str_htab): New variable. + (STRHASH): New macro. + (mark_const_str_htab_1, mark_const_str_htab, const_str_htab_hash, + constr_str_htab_eq, const_str_htab_del): New functions. + (output_constant_def): Add DEFER argument, defer string + constants until mark_constant_pool time if requested. + (mark_constant_pool): Walk the insn chain even if const_str_htab is + not empty. + (mark_constants): If a SYMBOL_REF for deferred string is found, + output it and remove from hash table. + (output_addressed_constants): Set DEFER to 0 in call to + output_constant_def. + * rtl.h (STRING_POOL_ADDRESS_P): Define. + (output_constant_def): Adjust prototype. + * expr.c (expand_expr): Set DEFER to 1 in call to output_constant_def. + +2000-11-14 Chandrakala Chavva <cchavva@redhat.com> + + * optabs.c (expand_complex_ab):: Use overflow-trapping optabs for + signed types if flag_trapv. + +2000-11-14 Zack Weinberg <zack@wolery.stanford.edu> + + * tradcpp.c, tradcif.y: Update FSF mailing address, delete + reference to GPLv1. + +2000-11-14 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.h (CTI_C_SIZE_TYPE): Update comment. + +2000-11-14 Jakub Jelinek <jakub@redhat.com> + + * varasm.c (struct varasm_status): Change x_const_rtx_sym_hash_table + to array of pool_constnat pointers. + (struct pool_constant): Add next_sym and label members. + (struct pool_sym): Remove. + (init_varasm_status): Change pool_sym into pool_constant. + (mark_pool_constant): Mark pc->label string as well. + (mark_pool_sym_hash_table): Remove. + (mark_varasm_status): Remove it from caller as well. + (free_varasm_status): Don't free pool_sym structures. + (force_const_mem): Don't allocate pool_sym structure, instead + fill pool->label and chain it into rtx_sym hash table. + (find_pool_constant, mark_constant_pool): Use pool_constant instead + of pool_sym. + +2000-11-14 Jakub Jelinek <jakub@redhat.com> + + * reload1.c (emit_input_reload_insns): Honour forcing of constants + into memory by PREFERRED_RELOAD_CLASS NO_REGS. + +2000-11-14 Michael Matz <matzmich@cs.tu-berlin.de> + + * dominance.c: New file. + * Makefile.in (OBJS): Add dominance.o. + + * flow.c (compute_flow_dominators): Remove. + (compute_immediate_dominators): Remove. + (compute_immediate_postdominators): Remove. + * basic-block.h: Remove their prototypes. + (calculate_dominance_info): Add prototype. + + * dce.c (eliminate_dead_code): Change calls to above functions. + Don't compute dominators but only immediate dominators. + * flow.c (flow_loops_find): Change callers. + * gcse.c (compute_code_hoist_data): Likewise. + * haifa-sched.c (schedule_insns): Likewise. + * ifcvt.c (if_convert): Likewise. + * ssa.c (convert_to_ssa): Likewise, and only compute immediate + dominators. + +2000-11-14 Richard Henderson <rth@redhat.com> + + * stmt.c (warn_if_unused_value): Don't warn if the expression + has side effects. + + * c-typeck.c (c_sizeof): Fold result to c_size_type_node. + (c_sizeof_nowarn, c_alignof, c_alignof_expr): Likewise. + +2000-11-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * loop.c (basic_induction_var): Revert accidental checkin. + +2000-11-13 Hans-Peter Nilsson <hp@axis.com> + + * c-lex.c (cb_leave_file): Harmonize conditions and order of + statements to those of process_directive for (action == act_pop). + + * collect2.c (main): Pass on -B options from COLLECT_GCC_OPTIONS. + + * local-alloc.c (equiv_init_movable_p): References to CC0 are not + movable. + +2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-parse.in (stmts_and_decls): Deprecate use of label at end of + compound statement. + +2000-11-13 Neil Booth <neilb@earthling.net> + + * cpplex.c (_cpp_lex_token): CPP_COMMENT and true CPP_EOF + cases return without MI check. + * cpplib.c (do_diagnostic): Take boolean of whether to + print the directive name. + (do_error, do_warning): Update. + (do_pragma_dependency): Use it. + * cpplib.h (VARARGS_FIRST): Delete. + (struct cpp_token): Delete integer. + * cppmacro.c (enter_macro_context): Move disabled check + to _cpp_get_token. + (_cpp_get_token): Simplify into a single loop. + +2000-11-13 Richard Earnshaw <rearnsha@arm.com> + + * configure.in: Use 'test -f' not '[ -e'. + * configure: Regenerated. + +2000-11-13 DJ Delorie <dj@redhat.com> + + * config/mn10300/mn10300.md (store_movm): Note which registers are + really used or clobbered. + +2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-parse.in (ends_in_label): Remove from %union and %type. + (decls, stmts, lineno_stmt_or_labels, xstmts, + lineno_stmt_or_label, stmt_or_label): Remove. + (stmts_and_decls, lineno_stmt_decl_or_labels_ending_stmt, + lineno_stmt_decl_or_labels_ending_decl, + lineno_stmt_decl_or_labels_ending_label, + lineno_stmt_decl_or_labels_ending_error, + lineno_stmt_decl_or_labels, compstmt_contents_nonempty, + lineno_stmt, lineno_label): New. + (compstmt_nostart): Use compstmt_contents_nonempty. + +2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (boolean_increment): New function. + * c-common.h (enum c_tree_index): Add CTI_C_BOOL_TYPE, + CTI_C_BOOL_TRUE and CTI_C_BOOL_FALSE. + (c_bool_type_node, c_bool_true_node, c_bool_false_node): Define. + (boolean_increment): Declare. + * c-convert.c (convert): Allow for BOOLEAN_TYPE. + * c-decl.c (init_decl_processing): Create boolean nodes. + (finish_struct): Allow for _Bool bitfields. + * c-parse.in (reswords): Add _Bool. + (rid_to_yy): Allow for RID_BOOL. + * c-typeck.c (default_conversion): Make booleans promote to int. + (convert_arguments, build_unary_op, build_modify_expr, + convert_for_assignment): Allow for booleans. + * ginclude/stdbool.h: Make conforming to C99. + +2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-parse.in (c99_block_start, c99_block_end, + c99_block_lineno_labeled_stmt): New. + (simple_if, do_stmt_start): Use c99_block_lineno_labeled_stmt. + (stmt): Split off selection and iteration statements into... + (select_or_iter_stmt): New. Use c99_block_lineno_labeled_stmt. + +2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk> + + * invoke.texi (-Wtrigraphs, -fdump-translation-unit, -save-temps, + -time): Update. + +2000-11-13 Richard Earnshaw <rearnsha@arm.com> + + * arm.md (mulsidi3adddi, umulsidi3adddi): Revert previous change. + Rewrite to avoid use of match_dup. Don't try to tie registers that + are not in the same mode. + +2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk> + + * invoke.texi: Update lists of languages and suffixes supported. + +2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk> + + * configure.in: Take toplevel configure arguments from the + environment to create configargs.h and substitute + gcc_config_arguments, taking account of any existing configargs.h + if reconfiguring. + * configure: Regenerate. + * gccbug.in: Include toplevel configure arguments in gccbug. + +2000-11-13 Richard Earnshaw <rearnsha@arm.com> + + * varasm.c (struct constant_descriptor): Put CONTENTS inside a + union to make it well-aligned. Update all uses. + +2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-parse.in (initelt): Give appropriate pedantic warnings, + depending on flag_isoc99, for non-ISO syntax and for C99 syntax + outside C99 mode. + (designator): If pedantic, pedwarn for a designator specifying a + range of elements. + * c-typeck.c (set_init_index, set_init_label): Don't pedwarn for + these cases. + * extend.texi: Document the C99 syntax as the preferred syntax, + and the pre-2.5 syntax as obsolete. Mention use of designator + lists for nested subobjects. + +2000-11-13 Joseph S. Myers <jsm28@cam.ac.uk> + + * diagnostic.c (vbuild_message_string, output_do_printf, vnotice): + Add ATTRIBUTE_PRINTF. + * tradcpp.c (v_message, warning, error, fatal, error_with_line): + Add ATTRIBUTE_PRINTF*. + +2000-11-12 Mark Mitchell <mark@codesourcery.com> + + * function.c (assign_parms): When calling put_var_into_stack, make + sure that there are no hidden pending sequences. + +2000-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (expand_builtin): Handle BUILT_IN_INDEX and + BUILT_IN_RINDEX. Add missing checks for BUILT_IN_STRCHR and + BUILT_IN_STRRCHR. + + * builtins.def (BUILT_IN_INDEX, BUILT_IN_RINDEX): New entries. + + * c-common.c (c_common_nodes_and_builtins): Declare index and + rindex when nonansi builtins are allowed. + + * extend.texi (index, rindex): Document new builtins. + +2000-11-12 Mark Mitchell <mark@codesourcery.com> + + * configure.in: Turn on libstdc++ V3 by default. + * configure: Regenerated. + + * fixinc/mkfixinc.sh: Use the ordinary fixincludes on Solaris. + +2000-11-12 Jakub Jelinek <jakub@redhat.com> + + * reload1.c (set_label_offsets): Go inside of PARALLELs. + +2000-11-12 Joseph S. Myers <jsm28@cam.ac.uk> + + * invoke.texi: Clean up option summary. + +2000-11-12 Nick Clifton <nickc@redhat.com> + + * config/mcore/mcore.c: Fix comment formating, and adjust sequence + of #include headers. + +2000-11-12 Marc Espie <espie@openbsd.org> + + * configure.in: Fix filds test. + * configure: Regen. + +2000-11-12 Mark Mitchell <mark@codesourcery.com> + + * jump.c (delete_computation): Don't assume that just because an + instruction sets a register, that register is dead. + +2000-11-12 Neil Booth <neilb@earthling.net> + + * cppexp.c: Don't worry about pfile->skipping. + * cpplib.c (struct if_stack): Make was_skipping unsigned char. + (cpp_handle_directive): Save pfile->skipping in struct cpp_buffer + for handled directives. + (skip_rest_of_line): Use _cpp_lex_token after popping contexts + and releasing lookaheads. + (do_ifdef, do_ifndef, do_if): Use buffer->was_skipping. + (do_else, do_elif, push_conditional): Update logic. + (do_endif): Set buffer->was_skipping rather than pfile->skipping. + (unwind_if_stack): Inline into cpp_pop_buffer. + (cpp_push_buffer): Clear ifs->was_skipping for cpp_handle_directive. + * cpplex.c (_cpp_lex_token): Clear skipping on EOF. Handle + multiple-include optimisation. + * cpplib.h (struct cpp_buffer): New member was_skipping. + * cppmacro.c (_cpp_get_token): Loop whilst pfile->skipping. This + works because skipping == 0 in directives. + (_cpp_release_lookahead): Renamed from release_lookahead. + (cpp_get_token): No need to check skipping as _cpp_get_token does + this for us. No need to handle MI optimisation. + +Sat Nov 11 21:14:02 2000 Mark P Mitchell <mark@codesourcery.com> + + * fixinc/inclhack.def (sunos_matherr_decl): Bypass matherr + declarations that use `__MATH_EXCEPTION' in their prototypes, too. + * fixinc/fixincl.x: Regenerated. + +2000-11-11 Bruce Korb <bkorb@gnu.org> + + * fixinc/inclhack.def (avoid_bool_type): avoid commenting out #endif + (avoid_wchar_t_type): ditto + * fixinc/fixinc.irix: obsoleted + +2000-11-11 Zack Weinberg <zack@wolery.stanford.edu> + + * configure.in: Don't add $outputs to all_lang_makefiles. Add + $srcdir/$s/Makefile.in if it exists. + * configure: Regenerate. + +Sat Nov 11 18:41:20 2000 Mark P Mitchell <mark@codesourcery.com> + + * fixinc/mkfixinc.sh: Use the ordinary fixincludes on IRIX. + +2000-11-11 Jason Merrill <jason@redhat.com> + + * function.c (assign_parms): If TREE_ADDRESSABLE is set, try to + give the parm a register and then call put_var_into_stack. + * stmt.c (expand_decl): Likewise. + +2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk> + + * gcc.texi: Adjust wording. + +2000-11-11 Mark Mitchell <mark@codesourcery.com> + + * fixinc/inclhack.def (avoid_wchar_t_type): New fix. + * fininc/fixincl.x: Regenerated. + +2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk> + + * invoke.texi: Correct spelling of -foptimize-register-move. + +2000-11-11 Neil Booth <neilb@earthling.net> + + Remove CPP_PLACEMARKERs. + + * cppexp.c (lex): Don't handle CPP_PLACEMARKER. + * cpplex.c (_cpp_lex_token): Rename skip_newlines to next_bol + * cpplib.c (skip_rest_of_line, check_eol, cpp_push_buffer): + Similarly. + * cpplib.h: Remove CPP_PLACEMARKER. + (struct lexer_state): Rename skip_newlines to next_bol. + * cppmacro.c (stringify_arg): Don't handle CPP_PLACEMARKER. + Simplify prev_white handling as a result. + (paste_all_tokens): Don't worry about CPP_PLACEMARKERs. + (parse_arg): Empty arguments are now empty, not CPP_PLACEMARKERs. + (parse_args): Similarly. Update argument count tests. + (enter_macro_context): Return 2 to indicate an empty macro. + (replace_args): Don't bother pre-expanding an empty argument. + Handle placemarkers and ## extension during pre-expansion. + (cpp_get_token): Handle empty macro expansions. Don't worry + about CPP_PLACEMARKERs. + (_cpp_create_definition): Empty macros are now empty. + (cpp_macro_definition): Don't special case empty macros. + * scan-decls.c: Don't bother with CPP_PLACEMARKERs. + * c-lex.c: Similarly. + +2000-11-11 Joseph S. Myers <jsm28@cam.ac.uk> + + * gcc.texi, invoke.texi: Add new section discussing language + standards; link to it where appropriate; refer to ISO C instead of + ANSI C. + +2000-11-11 Alexandre Oliva <aoliva@redhat.com> + + * builtins.c (std_expand_builtin_va_start): Take PARM_BOUNDARY + into account. + + * config/sh/sh.h (MODES_TIEABLE_P): Don't tie SFmode to other FP + modes. + +2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk> + + * gcc.texi, gcov.texi: Update dates and version numbers. + +2000-11-10 Zack Weinberg <zack@wolery.stanford.edu> + + * configure.in: Remove AC_PROG_LEX and AC_PROG_YACC. Look for + flex and bison, specifically, first in a unified build and + then installed on the system. + * Makefile.in: Set BISON to @BISON@, FLEX to @FLEX@. Rename + LEXFLAGS to FLEXFLAGS. Adjust ORDINARY_FLAGS_TO_PASS to + match. + + (collect2.o, gcc.o, prefix.o, toplev.o, alloca.o, intl.o, + cppdefault.o): Remove pointless sed munging of source file + name. + +2000-11-10 Bernd Schmidt <bernds@redhat.co.uk> + + * reload.c (find_reloads_address_1, case POST_MODIFY): Use RELOAD_OTHER + for address reloads. Push replacements for REG_INC notes. + (regno_clobbered_p): New arg SETS. Examine SETs if it's nonzero. All + callers changed. + * reload1.c (choose_reload_regs): Registers set in the insn can't be + used for RELOAD_OTHER reloads. + +2000-11-10 Mark Mitchell <mark@codesourcery.com> + + * c-dump.h: New file. + +2000-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * alpha.c (check_float_value): Use memcpy, not bcopy. + * arm.c (output_move_double): Likewise. + * arm.md: Likewise. + * m88k.c (legitimize_operand): Likewise. + * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise. + * m88k.md: Likewise. + * mips.c (override_options): Likewise. + * mips.md: Likewise. + * romp.c (output_fpops): Likewise. + * rs6000.c (rs6000_override_options): Likewise. + * sh.md: Likewise. + * vax.c (check_float_value): Likewise. + + * emit-rtl.c (copy_rtx_if_shared, init_emit_once): Likewise. + * expmed.c (synth_mult): Likewise. + * final.c (add_bb_string): Likewise. + * genattr.c (main): Likewise. + * genattrtab.c (attr_string, simplify_cond, copy_rtx_unchanging): + Likewise. + * jump.c (thread_jumps): Likewise. + * prefix.c (save_string): Likewise. + * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Likewise. + * regclass.c (init_reg_sets, init_reg_sets_1): Likewise. + * reload1.c (reload, eliminate_regs): Likewise. + +2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk> + + * gcc.texi (Service): Update to reflect current practice and + location of the GNU service directory. + +2000-11-09 Bernd Schmidt <bernds@redhat.co.uk> + + * regrename.c (build_def_use): Mark contents of REG_INC notes as + needing replacement. + + * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Emit + a no-op move if regs are equal. + * toplev.c (rest_of_compilation): Do the noop moves elimination pass + when calling jump after post-reload splitting. + +2000-11-09 Jan van Male <jan.vanmale@fenk.wau.nl> + + * c-tree.texi: Fix typos. + * extend.texi: Likewise + * gcov.texi: Likewise + * rtl.texi: Likewise + * tm.texi: Likewise + +2000-11-09 Hans-Peter Nilsson <hp@axis.com> + + * c-lex.c [! NO_IMPLICIT_EXTERN_C] (cb_enter_file): Check + in_system_header and flags[1] before dereferencing flags[2]. + +2000-11-09 Matthew Hiller <hiller@redhat.com> + + * reload1.c (reload_combine): Fixed calculation of + first_index_reg, last_index_reg. + +2000-11-09 Mark Mitchell <mark@codesourcery.com> + + * c-dump.c (dequeue_and_dump): Dump function bodies. + + * Makefile.in (C_AND_OBJC_OBJS): Add c-dump.o. + (c-dump.o): New target. + * c-common.h (flag_dump_translation_unit): New variable. + (C_TYPE_QUALS): New macro. + (strip_array_types): New function. + (DECL_C_BIT_FIELD): New macro. + (SET_DECL_C_BIT_FIELD): Likewise. + (CLEAR_DECL_C_BIT_FIELD): Likewise. + (dump_info_p): New typedef. + (dump_tree_fn): Likewise. + (lang_dump_tree): New variable. + (dump_node_to_file): New function. + * c-common.c (flag_dump_translation_unit): Define it. + (strip_array_types): New function. + * c-decl.c (c_decode_option): Handle -fdump-translation-unit. + * c-lang.c (finish_file): Call dump_node_to_file if + flag_dump_translation_unit. + * c-semantics.c (mark_rtl_for_local_static): Fix typo in comment. + * c-tree.h (DECL_C_BIT_FIELD): Remove declaration. + * c-dump.c: New file. + +2000-11-09 Christopher Faylor <cgf@cygnus.com> + + * config/i386/cygwin.h: Add mingw startfile prefix. + +2000-11-09 Richard Henderson <rth@redhat.com> + + * flow.c (invalidate_mems_from_set): Split out from ... + (mark_set_1): ... here. + (try_pre_increment_1): Use it. Use propagate_block_delete_insn + instead of turning insn into a NOTE_INSN_DELETED. + +2000-11-10 Joseph S. Myers <jsm28@cam.ac.uk> + + * extend.texi, invoke.texi: Move documentation of builtin versions + of C library functions to one place and update. + +2000-11-09 Richard Henderson <rth@redhat.com> + + * fold-const.c (fold): Compare TYPE_MAIN_VARIANT rather than + the types themselves to discover type equivalence. + +2000-11-09 Mike Stump <mrs@wrs.com> + + * Makefile.in (distclean): Remove a few extra leftovers. + +2000-11-09 Richard Henderson <rth@redhat.com> + + * recog.c (validate_replace_rtx_1): Consider subregs when + replacing a register with a constant inside a sign/zero_extend. + + * config/alpha/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define. + +2000-11-09 Geoffrey Keating <geoffk@redhat.com> + + * c-decl.c (finish_struct): When a structure is completed, + check all its variant types for completeness. + +2000-11-09 Neil Booth <neilb@earthling.net> + + * cpphash.c: Move cpp_defined here from cpplib.c. + * cpplib.c: Update comments, move cpp_defined to cpphash.c. + * cpplex.c (_cpp_lex_token): Don't leave the lexer at EOL. + * cppmacro.c (cpp_get_token): Update comments, no need now + to catch the CPP_EOF meaning EOL case. + +2000-11-08 Geoffrey Keating <geoffk@redhat.com> + + * config/sparc/sparc.c (sparc_va_arg): When the required alignment + is more than that provided, copy to a temporary. + +2000-11-09 Alexandre Oliva <aoliva@redhat.com> + + * mklibgcc.in (EXTRA_MULTILIB_PARTS): Prevent `make' from + interpreting $out as a macro assignment. + * Makefile.in (T_TARGET): New auxiliary macro and target. + (all): Add a target right in the beginning, so that we don't build + T_TARGET by default. + +2000-11-09 Graham Stott <grahams@redhat.com> + + * config/i386/i386.md (mmx_pinsrw): Output operands in correct + order for -mintel-syntax. Remove comment now that the operand + order has been checked. + (mmx_pextrw): Likewise. + (mmx_pshufw): Likewise. + +2000-11-09 Jakub Jelinek <jakub@redhat.com> + + * builtins.c (c_strlen): Use TREE_STRING_LENGTH - 1 for max. + (c_getstr): New function. + (expand_builtin_strstr): Do nothing if -fcheck-memory-usage. + If both arguments are constant string, optimize out. + (expand_builtin_strchr, expand_builtin_strrchr): New functions. + (expand_builtin_strpbrk): Use c_getstr, do nothing if + -fcheck-memory-usage. + (expand_builtin_fputs): Likewise. + (expand_builtin_strcmp): Add MODE argument. + Use even if !HAVE_cmpstrsi. + Optimize the case when both arguments are constant strings. + (expand_builtin): Adjust expand_builtin_strcmp caller. + Call expand_builtin_strchr and expand_builtin_strrchr. + * c-common.c (c_common_nodes_and_builtins): Add strchr and strrchr + builtins. + * builtins.def (BUILT_IN_STRRCHR): Add. + +2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * fixinc/gnu-regex.c: Rename EGCS LOCAL markers to GCC LOCAL. + +2000-11-09 Joseph S. Myers <jsm28@cam.ac.uk> + + * calls.c (expand_call, emit_library_call_value_1), collect2.c + (scan_prog_file), config/a29k/a29k.c (print_operand), + config/sparc/sparc.c (order_regs_for_local_alloc): Use memcpy () + instead of bcopy (). + * real.h: Use memcmp () instead of bcmp (). + * config/m88k/m88k.c (m88k_layout_frame), config/sh/sh.c + (split_branches), config/sparc/sparc.c (ultra_flush_pipeline, + ultrasparc_sched_init, ultrasparc_sched_reorder), + config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Use memset () + instead of bzero (). + * config/vax/xm-xms.h (FILE_NAME_NONDIRECTORY): Use strrchr () + instead of rindex (). + * configure.in: Don't check for bzero, bcmp, index or rindex. + * configure, config.in: Regenerate. + * system.h: Don't include declarations for bzero, bcmp, index or + rindex. + * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Don't define + bzero, bcmp, index or rindex. + +Wed Nov 8 21:58:20 2000 Christopher Faylor <cgf@cygnus.com> + + * config/i386/cygwin.h: Add -no-win32 switch. Separate -mno-cygwin + include and library paths from -mcygwin case. Parameterize some + declarations to avoid warnings. Use standard locations for include and + lib dirs. + +2000-11-08 Nick Clifton <nickc@redhat.com> + + * config/arm/arm.md (mulsidi3adddi): Change output operand + constraint from "=&" to "+&". + (umulsidi3adddi): Change output operand constraint from "=&" to + "+&". + +2000-11-08 Richard Henderson <rth@redhat.com> + + * flow.c (init_propagate_block_info): Protect the rtx stored in + mem_set_list from modification by find_auto_inc. + (mark_set_1): Likewise. + +2000-11-08 Neil Booth <neilb@earthling.net> + + Move directive handling into the lexer itself. + + * cpplex.c (_cpp_lex_token): Handle directives directly. + In the case of a directive interrupting a function-like + macro invocation, use extra_char since read_ahead is + used to store the '#'. Return a CPP_EOF in this case. + * cppmacro.c (parse_arg): No need to handle CPP_DHASH any more. + (cpp_get_token): Don't handle directives here. + * cpplib.h: Remove CPP_DHASH token type. + +Wed Nov 8 21:53:41 MET 2000 Jan Hubicka <jh@suse.cz> + + * regmove.c (combine_stack_adjustments_for_blocks): Recognize pushes + formed using PRE_MODIFY too. + +2000-11-08 Mark Mitchell <mark@codesourcery.com> + + * c-tree.texi (VAR_DECL): Describe representation of GCC's + extension for placing variables in particular registers. + + * c-tree.texi (FUNCTION_TYPE): Clarify TYPE_ARG_TYPES for + unprototyped C functions with no parameters. + +2000-11-08 Jakub Jelinek <jakub@redhat.com> + + * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Cast DELTA to int + before passing to fprintf. + +2000-11-08 Jakub Jelinek <jakub@redhat.com> + + * function.c (expand_function_start): Cast GET_MODE_SIZE to + HOST_WIDE_INT before negating it. + +2000-11-08 Jakub Jelinek <jakub@redhat.com> + + * expr.c (expand_expr) [ADDR_EXPR]: Handle when op0 is RETURN_DECL + passed in multiple non-contiguous locations. + +2000-11-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * README.gnat: Remove file. + +2000-11-08 Alexandre Oliva <aoliva@redhat.com> + + * mklibgcc.in (EXTRA_MULTILIB_PARTS): Generate multilib parts + in-place. + +2000-11-07 Richard Henderson <rth@redhat.com> + + * dwarfout.c (INSN_LABEL_FMT): Remove. + (output_label_die): Use ASM_GENERATE_INTERNAL_LABEL. + (dwarfout_label): Remove. + * dwarfout.h: Remove it's prototype. + * dwarf2out.c (INSN_LABEL_FMT): Remove. + (gen_label_die): Use ASM_GENERATE_INTERNAL_LABEL. + (dwarf2out_label): Remove. + * dwarf2out.h: Remove it's prototype. + * final.c (final_scan_insn): Don't call dwarf[2]out_label. + +2000-11-07 Richard Henderson <rth@redhat.com> + + * config/ia64/fde-glibc.c (find_fde_for_dso): Do a binary + search on the unwind region section. + + * config/ia64/ia64.md (movbi): Add r/r alternative. + (cmovdi_internal_astep): Describe all combinations of register + classes for sources & destinations; remove matching constraints. + (cmovdi_internal): Likewise. + + * gcc.c (default_compilers) [@cpp-output]: Add -fpreprocessed. + +2000-11-07 Richard Henderson <rth@redhat.com> + + * c-lang.c (start_cdtor, finish_cdtor): New functions. + (finish_file): Use them in building constructor/destructor functions. + + * config/alpha/alpha.h (HAS_INIT_SECTION, LD_INIT_SWITCH, + LD_FINI_SWITCH): Move ... + * config/alpha/osf.h: ... here. + * config/alpha/alpha-interix.h: Don't undef them. + +2000-11-07 Jeffrey Oldham <oldham@oz.codesourcery.com> + + * config/mips/t-iris6 (FPBIT): New. Added so that __unorddf2 is + included in libgcc.a. + (DPBIT): Likewise. + (dp-bit.c): Likewise. + (fp-bit.c): Likewise. + +2000-11-07 Nick Clifton <nickc@redhat.com> + + * config/m88k/m88k.h (GLOBAL_ASM_OP): Add missing tab. + (INTERNAL_ASM_OP): Add missing tab. + +2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk> + + * alias.c (init_alias_analysis), calls.c (expand_call, + emit_library_call_value_1), combine.c (init_reg_last_arrays), + cse.c (new_basic_block), dbxout.c (dbxout_type), diagnostic.c + (init_output_buffer, set_diagnostic_context), dwarf2out.c + (equate_decl_number_to_die, build_abbrev_table), emit-rtl.c + (init_emit_once), fold-const.c (mul_double, div_and_round_double), + function.c (assign_parms), gcse.c (compute_can_copy, + alloc_gcse_mem, alloc_reg_set_mem, record_one_set, + compute_hash_table, compute_set_hash_table, + compute_expr_hash_table), genattrtab.c (optimize_attrs), global.c + (global_alloc, global_conflicts), haifa-sched.c (compute_trg_info, + clear_units, schedule_block), integrate.c (initialize_for_inline, + expand_inline_function), jump.c (thread_jumps), local-alloc.c + (local_alloc), loop.c (combine_movables, count_loop_regs_set, + load_mems_and_recount_loop_regs_set), print-tree.c (debug_tree), + regclass.c (init_reg_sets, init_reg_sets_1, regclass, + record_reg_classes, allocate_reg_info), reload.c + (get_secondary_mem, remove_address_replacements, find_reloads), + reload1.c (reload, set_initial_label_offsets, finish_spills, + reload_as_needed, choose_reload_regs_init, + reload_cse_simplify_operands), reorg.c (dbr_schedule), sbitmap.c + (sbitmap_zero), simplify-rtx.c (simplify_plus_minus), ssa.c + (rename_registers), stmt.c (expand_end_case), unroll.c + (unroll_loop), varray.c (varray_grow), objc/objc-act.c: Use memset + () instead of bzero (). + +2000-11-07 Neil Booth <neilb@earthling.net> + + * cp/lang-specs.h: Fix -save-temps specs under USE_CPPLIB. + +2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-common.c (combine_strings): Only warn about long strings for C. + +Tue Nov 7 19:44:30 2000 J"orn Rennecke <amylaar@redhat.com> + + * combine.c (distribute_notes): Fix typo in last change. + +2000-11-07 Geoff Keating <geoffk@redhat.com> + + * config/rs6000/rs6000.md (movdi_internal32+1): Use + operand_subreg_force rather than gen_rtx_SUBREG. + (movdi_internal32+2): Likewise. + +2000-11-07 Philip Blundell <philb@gnu.org> + + * configure.in (arm*-*-linuxaout*): Obsolete, deleted. + * config/arm/linux-aout.h: Likewise. + * configure: Regenerate. + +2000-11-07 Philipp Thomas <pthomas@suse.de> + + * ABOUT-GCC-NLS: Remove the patch for gettext as it has been + accepted my the gettext maintainer. + +2000-11-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (expand_builtin_strpbrk): New function. + (expand_builtin): Handle BUILT_IN_STRPBRK. + + * builtins.def (BUILT_IN_STRPBRK): New entry. + + * c-common.c (c_common_nodes_and_builtins): Declare builtin + strpbrk. + +2000-11-07 David O'Brien <obrien@dragon.nuxi.com> + + * config/alpha/freebsd.h: New file -- FreeBSD/alpha architecture file. + * POTFILES.in: Add config/alpha/freebsd.h + * configure.in: Add alpha*-freebsd support. + * configure: Regenerate. + +2000-11-07 Joseph S. Myers <jsm28@cam.ac.uk> + + * tree.c (build_common_tree_nodes_2): Make va_list_type_node be a + copy of ptr_type_node rather than ptr_type_node itself. + +Tue Nov 7 06:29:24 2000 J"orn Rennecke <amylaar@redhat.com> + + * combine.c (recog_for_combine): Allocate uninitialized vector with + rtvec_alloc. + * recog.c (apply_change_group): Likewise. + +Tue Nov 7 06:24:02 2000 J"orn Rennecke <amylaar@redhat.com> + + * flow.c (verify_local_live_at_start): Back out last change. + * combine.c (distribute_notes): When parts of a hard reg are + neither set nor referenced in PLACE, search backwards for a + place to put a REG_UNUSED note; if none found, ask for flow + info refresh. + +Mon Nov 6 20:08:13 2000 J"orn Rennecke <amylaar@redhat.com> + + * reload1.c (eliminate_regs_in_insn): Allow a set to be a PARALLEL + with (clobber (match_scratch...)). + +2000-11-06 Neil Booth <neilb@earthling.net> + + * c-lex.c (init_c_lex): If cpp_start_read fails, exit with + error status. + +2000-11-06 Neil Booth <neilb@earthling.net> + + * tradcpp.c (special_symbol): Assign an null string rather + than writing to an unallocated buffer. + +2000-11-06 Neil Booth <neilb@earthling.net> + + * cpplex.c (_cpp_equiv_tokens): Check arg_no in the + CPP_MACRO_ARG case. + +2000-11-06 Neil Booth <neilb@earthling.net> + + * c-lex.c (c_lex): Replace tok.val.aux with tok.val.c or + tok.val.arg_no as appropriate. + * cppexp.c (lex): Similarly. + * cpplex.c (_cpp_lex_token, cpp_spell_token, cpp_output_token, + cpp_equiv_tokens, cpp_can_paste, cpp_avoid_paste): Similarly. + * cppmacro.c (stringify_arg, replace_args, lex_expansion_token, + cpp_macro_definition): Similarly. + * cpplib.h (struct cpp_token): Replace aux with c and arg_no. + +2000-11-06 Jakub Jelinek <jakub@redhat.com> + + * config/sparc/sparc.md (adddi3): If operands[2] is 4096 and + operands[1] is constant, calculate the sum and generate movdi. + (addsi3): Similarly. Use SImode in call to arith_4096_operand. + (subsi3): Use SImode in call to arith_4096_operand. + +2000-11-06 Jakub Jelinek <jakub@redhat.com> + + * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): On sparc64 we need to + adjust %o1, not %o0 if the return type is large structure. + +2000-11-06 Jakub Jelinek <jakub@redhat.com> + + * config/sparc/sparc.md (smulsi3_highpart_v8plus, ashldi3_v8plus+1, + update_return, flush, flushdi, ffssi2, ffsdi2): Fix output formatting. + +Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl> + + * expmed.c (expand_divmod): For signed divide by 2, prefer + a branch and fewer shifts if branches are very cheap. + +2000-11-05 Joseph S. Myers <jsm28@cam.ac.uk> + + * Makefile.in: Remove all targets related to building + distributions and diffs, or INSTALL. + * INSTALL, install1.texi: Remove. + * configure.in: Remove mention of distdir. + * configure: Regenerate. + * objc/Make-lang.in: Remove mention of distdir. + +2000-11-04 Neil Booth <neilb@earthling.net> + + * cpp.texi: Update for _Pragma. + +2000-11-04 Joseph S. Myers <jsm28@cam.ac.uk> + + * gcc.texi (Contributing): Update URL for projects web page. + +2000-11-04 Neil Booth <neilb@earthling.net> + + * cpplex.c (parse_string): Don't allow multiline strings in + #include family directives. + +2000-11-04 Neil Booth <neilb@earthling.net> + + * cpplib.c (do_line): Only warn pedantically if not reading + preprocessed input. + +2000-11-04 Alexandre Oliva <aoliva@redhat.com> + + * calls.c (emit_call_1) [sibcall_pop]: Use n_popped instead of + RETURN_POPS_ARGS(). + +2000-11-03 Zack Weinberg <zack@wolery.stanford.edu> + + * builtins.c (expand_builtin_strlen): Remove unused mode + argument. + * gcc.c (process_command): Remove unused variable. + * fold-const.c: Include expr.h. + * recog.c: Include reload.h. + * Makefile.in (recog.o, fold-const.o): Update deps. + +2000-11-02 Geoffrey Keating <geoffk@cygnus.com> + + * fixinc/gnu-regex.c: Change 'CYGNUS LOCAL' to 'EGCS LOCAL'. + +Fri Nov 3 13:41:04 2000 Mark P Mitchell <mark@codesourcery.com> + + * config/mips/iris6.h (SUBTARGET_CC1_SPEC): Remove -static + handling. + (STARTFILE_SPEC): Likewise. + (LINK_SPEC): Likewise. + +2000-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (fold-const.o): Depend on $(GGC_H), not ggc.h. + (toplev.o): Likewise for $(LOOP_H)/loop.h and $(REGS_H)/regs.h. + (simplify-rtx.o): Likewise for $(GGC_H)/ggc.h. + +2000-11-03 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-decl.c (duplicate_decls, copy_lang_decl), dwarfout.c + (dwarfout_line), gcc.c (main, save_string), tree.c (init_obstacks, + perm_calloc, get_identifier, maybe_get_identifier, + real_value_from_int_cst, simple_cst_equal), varasm.c + (assemble_name, assemble_real, immed_real_const_1, + compare_constant_1, decode_rtx_const, output_constant_pool): Use + strrchr () instead of rindex (). Use memcmp () instead of bcmp + (). Use memcpy () instead of bcopy (). Use memset () instead of + bzero (). + +2000-11-03 Nathan Sidwell <nathan@codesourcery.com> + + * cppfiles.c (open_file): If already read, then don't reopen. + Immediately close an empty file. + +2000-11-01 Bernd Schmidt <bernds@redhat.co.uk> + + * expr.h (fold_builtin): Move declaration... + * tree.h (fold_builtin): ... here. + +Fri Nov 3 05:41:07 2000 J"orn Rennecke <amylaar@redhat.com> + + * flow.c (verify_local_live_at_start): Allow hard regs to die. + +2000-11-02 Neil Booth <neilb@earthling.net> + +config: + * a29k/a29k.h, a29k/unix.h, a29k/vx29k.h, + alpha/alpha-interix.h, alpha/alpha.h, alpha/linux.h, + alpha/openbsd.h, alpha/osf.h, alpha/vms.h, alpha/vxworks.h, + alpha/win-nt.h, arc/arc.h, arm/arm.h, arm/conix-elf.h, + arm/linux-aout.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h, + arm/riscix1-1.h, arm/semiaof.h, arm/unknown-elf-oabi.h, arm/vxarm.h, + c4x/rtems.h, clipper/clix.h, convex/convex.h, d30v/d30v.h, + elxsi/elxsi.h, fr30/fr30.h, h8300/h8300.h, i370/linux.h, i370/mvs.h, + i370/oe.h, i386/386bsd.h, i386/aix386ng.h, i386/beos-elf.h, + i386/bsd386.h, i386/crtdll.h, i386/cygwin.h, i386/dgux.h, + i386/djgpp-rtems.h, i386/djgpp.h, i386/freebsd-aout.h, i386/freebsd.h, + i386/gnu.h, i386/i386-interix.h, i386/i386.h, i386/linux-aout.h, + i386/linux-oldld.h, i386/linux.h, i386/lynx-ng.h, i386/lynx.h, + i386/mach.h, i386/mingw32.h, i386/moss.h, i386/netbsd.h, + i386/netware.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h, + i386/osfelf.h, i386/osfrose.h, i386/ptx4-i.h, i386/rtems.h, + i386/rtemself.h, i386/sco.h, i386/sco4.h, i386/sco4dbx.h, i386/sco5.h, + i386/scodbx.h, i386/sequent.h, i386/sol2.h, i386/sun.h, i386/sysv3.h, + i386/sysv4.h, i386/uwin.h, i386/vsta.h, i386/vxi386.h, i386/win-nt.h, + i386/win32.h, i860/fx2800.h, i860/i860.h, i860/mach.h, i860/sysv3.h, + i860/sysv4.h, i960/i960.h, i960/rtems.h, i960/vx960-coff.h, + ia64/ia64.h, ia64/linux.h, m32r/m32r.h, m68k/3b1.h, m68k/3b1g.h, + m68k/a-ux.h, m68k/altos3068.h, m68k/amix.h, m68k/apollo68.h, + m68k/crds.h, m68k/ctix.h, m68k/dpx2.h, m68k/hp2bsd.h, m68k/hp320.h, + m68k/hp3bsd.h, m68k/hp3bsd44.h, m68k/isi.h, m68k/linux-aout.h, + m68k/linux.h, m68k/lynx-ng.h, m68k/lynx.h, m68k/m68kemb.h, + m68k/m68kv4.h, m68k/mot3300.h, m68k/netbsd.h, m68k/news.h, + m68k/next.h, m68k/openbsd.h, m68k/pbb.h, m68k/plexus.h, m68k/rtems.h, + m68k/rtemself.h, m68k/sun2.h, m68k/sun3.h, m68k/sun3mach.h, + m68k/tower-as.h, m68k/tower.h, m68k/vxm68k.h, m88k/dgux.h, + m88k/dolph.h, m88k/luna.h, m88k/m88k-aout.h, m88k/m88k-coff.h, + m88k/openbsd.h, m88k/sysv3.h, m88k/sysv4.h, mips/bsd-4.h, + mips/bsd-5.h, mips/dec-bsd.h, mips/dec-osf1.h, mips/gnu.h, + mips/iris3.h, mips/iris5.h, mips/iris6.h, mips/linux.h, mips/mips.h, + mips/netbsd.h, mips/news4.h, mips/news5.h, mips/nws3250v4.h, + mips/openbsd.h, mips/osfrose.h, mips/rtems64.h, mips/sni-svr4.h, + mips/svr3-4.h, mips/svr3-5.h, mips/svr4-4.h, mips/svr4-5.h, + mips/ultrix.h, ns32k/encore.h, ns32k/merlin.h, ns32k/netbsd.h, + ns32k/ns32k.h, ns32k/pc532-mach.h, ns32k/pc532.h, ns32k/sequent.h, + ns32k/tek6000.h, ns32k/tek6100.h, ns32k/tek6200.h, pa/pa-hiux.h, + pa/pa-hpux.h, pa/pa-hpux7.h, pa/pa-linux.h, pa/pa-osf.h, + pa/pa-pro-end.h, pa/pa.h, pa/rtems.h, pj/linux.h, pj/pj.h, + romp/romp.h, rs6000/aix.h, rs6000/aix31.h, rs6000/aix41.h, + rs6000/aix43.h, rs6000/beos.h, rs6000/eabi.h, rs6000/eabisim.h, + rs6000/linux.h, rs6000/lynx.h, rs6000/mach.h, rs6000/rtems.h, + rs6000/sysv4.h, rs6000/vxppc.h, sh/elf.h, sh/linux.h, sh/rtems.h, + sh/rtemself.h, sh/sh.h, sparc/aout.h, sparc/elf.h, sparc/linux-aout.h, + sparc/linux.h, sparc/linux64.h, sparc/lite.h, sparc/litecoff.h, + sparc/liteelf.h, sparc/lynx-ng.h, sparc/lynx.h, sparc/netbsd.h, + sparc/openbsd.h, sparc/pbd.h, sparc/rtems.h, sparc/rtemself.h, + sparc/sol2-sld-64.h, sparc/sol2.h, sparc/sp64-aout.h, + sparc/sp64-elf.h, sparc/sp86x-aout.h, sparc/sp86x-elf.h, + sparc/sparc.h, sparc/sysv4.h, sparc/vxsim.h, sparc/vxsparc.h, + v850/rtems.h, vax/netbsd.h, vax/openbsd.h, vax/ultrix.h, vax/vax.h, + vax/vaxv.h, vax/vms.h, we32k/we32k.h + + Replace -A() with -A=, the new assertion syntax. + +Thu Nov 2 21:52:35 2000 J"orn Rennecke <amylaar@redhat.com> + + * combine.c (distribute_notes): Use rtx_equal_p to check elim_i2 / + elim_i1. + In REG_DEAD handling: When handling parts of multi-hard-reg hard + registers, increment the loop counter by the size of the parts; + use recursion to handle individual parts. + +2000-11-02 Neil Booth <neilb@earthling.net> + + * configure.in: Make integrated CPP the default. + * configure: Regenerate. + +Thu Nov 2 19:20:12 2000 J"orn Rennecke <amylaar@redhat.com> + + * reload.c (find_equiv_reg): Test all hard registers for membership + in the requested class. + +2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk> + + * collect2.c (main, write_c_file_stat), gcc.c (translate_options, + process_command, main), gcov.c (open_files, output_data), tlink.c + (frob_extension, scan_linker_output), toplev.c + (file_name_nondirectory): Use strchr () and strrchr () instead of + index () and rindex (). + +2000-11-02 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (get_flag_spec, check_format_info_main, + check_format_types): Use strchr () instead of index (). Compare + against error_mark_node instead of comparing the TREE_CODE against + ERROR_MARK. + +2000-11-02 Zack Weinberg <zackw@Stanford.EDU> + + Integrated CPP. + + * c-lex.c (init_c_lex): Update cpp_start_read call. + (cb_ident): Update for new callback prototype. + (cb_def_pragma): Update for new cpp_get_token prototype. + (c_lex): Similarly. Use cpp_get_line. + + * c-parse.in (finish_parse): Update for new cpp_finish + prototype. + + * cp/lex.c (finish_parse): Similarly. + +2000-11-01 Geoff Keating <geoffk@cygnus.com> + + * machmode.def: Add V16QImode. + +2000-11-01 Richard Henderson <rth@redhat.com> + + * dwarf2out.c (loc_descriptor_from_tree): Check for null result + from rtl_for_decl_location. + (add_location_or_const_value_attribute): Likewise. + +2000-11-01 Neil Booth <neilb@earthling.net> + + * cpplib.c (run_directive): Use correct line number for output + of _Pragma. Remember any in-progress directive. + + * gcc.dg/cpp/vararg2.c, gcc.dg/cpp/_Pragm1.c: New tests. + +2000-11-01 Richard Henderson <rth@redhat.com> + + * stmt.c (expand_start_null_loop): Set continue_label. + +2000-11-01 Bernd Schmidt <bernds@redhat.co.uk> + + * builtins.c (fold_builtin_constant_p, fold_builtin): New functions. + (expand_builtin_constant_p): Move parts of the code into + fold_builtin_constant_p. + (expand_builtin_strlen): Move parts of the code into fold_builtin. + * expr.h (fold_builtin): Declare. + * fold-const.c (fold): Handle builtin calls. + + * c-typeck.c (build_function_call): Call fold on the CALL_EXPR. + +2000-11-01 Richard Henderson <rth@redhat.com> + + * stmt.c (expand_start_null_loop): New. + (expand_end_null_loop): New. + * c-semantics.c (genrtl_do_stmt): Use them. + * tree.h: Declare them. + +2000-11-01 Richard Henderson <rth@redhat.com> + + * cppmain.c (scan_buffer): Don't avoid paste for assembly. + +2000-11-01 Neil Booth <neilb@earthling.net> + + * c-parse.in (_yylex): Remove CPP_BACKSLASH case. + * cp/spew.c: Similarly. + * cpplex.c (_cpp_lex_token): Backslashes are now CPP_OTHER. + * cppmacro.c (stringify_arg): Similarly. + * cpplib.h (CPP_BACKSLASH): Delete. + +2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (expand_builtin_strstr): New function. + (expand_builtin): Handle BUILT_IN_STRSTR and BUILT_IN_STRCHR. + + * builtins.def (BUILT_IN_STRSTR, BUILT_IN_STRCHR): New entries. + + * c-common.c (c_common_nodes_and_builtins): Declare builtin strstr + and builtin strchr. + +2000-10-31 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (fcmov_comparison_operator): Check for + CCFPmode or CCFPUmode instead of CCmode. + (ix86_expand_fp_movcc): Call ix86_expand_setcc for most + unordered operations as well. + +2000-10-31 Richard Henderson <rth@redhat.com> + + * c-semantics.c (genrtl_do_stmt): Use integer_zerop instead + of integer_zero_node. + +2000-10-31 Richard Henderson <rth@redhat.com> + + * c-semantics.c (genrtl_do_stmt): Special case do/while(0). + +2000-10-31 Nick Clifton <nickc@redhat.com> + + * config/arm/unknown-elf.h (UNIQUE_SECTION_P): Do not allow + -fdata-sections to override the section attribute of a DECL. + +2000-10-31 Chris Demetriou <cgd@sibyte.com> + + * libgcc2.c (__shtab): Remove __shtab variable. + * libgcc-std.ver (GCC_3.0): Remove __shtab from symbol list. + * Makefile.in (LIB2FUNCS): Remove _shtab from list of library + members. + +2000-10-31 Jim Wilson <wilson@redhat.com> + + * defaults.h (ASM_OUTPUT_DEBUG_LABEL): New. + * tm.texi (ASM_OUTPUT_DEBUG_LABEL): Document. + * dwarf2out.c (dwarf2out_begin_block): Use ASM_OUTPUT_DEBUG_LABEL + instead of ASM_OUTPUT_INTERNAL_LABEL. + (dwarf2out_end_block, dwarf2out_label): Likewise. + * final.c (final_scan_insn, case NOTE_INSN_DELETED_LABEL): Likewise + * config/ia64/ia64.h (ASM_OUTPUT_DEBUG_LABEL): Define. + +2000-10-31 Richard Henderson <rth@redhat.com> + + * dwarf2out.c (struct dw_loc_descr_struct): Add dw_loc_addr. + (size_of_locs): Set it. + (output_loc_operands): Use it to compute branch displacement. + (int_loc_descriptor): New. + (mem_loc_descriptor): Dereference memory in the proper size. + Use DW_OP_plus_uconst when possible. Use int_loc_descriptor. + (loc_descriptor_from_tree): New. + (rtl_for_decl_location): Break out from ... + (add_location_or_const_value_attribute): ... here. + (add_bound_info): Use loc_descriptor_from_tree. + +2000-10-31 Neil Booth <neilb@earthling.net> + + * cpp.texi: Update for new command line assertion syntax. + * cpplib.c (cpp_define): Simplify a bit. + (cpp_assert, cpp_unassert): Use handle_assertion. + (handle_assertion): New function; accept new command line + syntax with '='. + * testsuite/gcc.dg/cpp/assert3.c: New tests. + +2000-10-31 Neil Booth <neilb@earthling.net> + + * cppmacro.c (STDC_0_IN_SYSTEM_HEADERS): Define to 0 if + undefined. Remove #ifdef check. + * config/i386/sol2.h, config/rs6000/sol2.h, config/sparc/sol2.h: + Define STDC_0_IN_SYSTEM_HEADERS to 1. + +2000-10-31 Jan Hubicka <jh@suse.cz> + Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.h: Clarify CCNOmode description in comment. + (EXTRA_CC_MODES): Remove CCRCmode. + * config/i386/i386.c (ix86_comparison_operator): Remove CCRCmode. + (put_condition_code, ix86_match_ccmode): Likewise. + (ix86_cc_mode): Likewise. Fix comment. + (ix86_expand_strlensi_unroll_1): *rc patterns are gone. + * config/i386/i386.md: Add unspec 12 description. + (adddi3 split): Use unspec 12 instead of CCRCmode. + (addsi3_carry_rc): Remove. + (addsi3_cc, addqi3_cc): New patterns. + (addsi_3): Swap operands, match CCZmode. + (addsi_4): Rewritten. + (addsi_5): Renamed from addsi_6. + (addsi_6): Removed. + (addhi_3): Swap operands, match CCZmode. + (addhi_4): Rewritten. + (addhi_5): Renamed from addhi_6. + (addhi_6): Removed. + (addqi_3): Swap operands, match CCZmode. + (addqi_4): Rewritten. + (addqi_5): Renamed from addqi_6. Use =q constraint for clobber. + (subsi3_carry_rc): Removed. + (iorqi_3): Use =q constraint for clobber. + (xorqi_cc_2): Likewise. + (negdi2_1 split): Don't use CCRCmode, use ltu instead of gtu. + (x86_movsicc_0_m1_rc): Removed. + (cmp?i peepholes): Remove neg. Use CCGCmode instead of CCRCmode. + +2000-10-31 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-typeck.c (build_unary_op): If pedantic, pedwarn for increment + and decrement of complex types. + +2000-10-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (expand_builtin_fputs): When deleting NOP calls to + builtin fputs, ensure we still evaluate the stream in case it + has side-effects. + +2000-10-31 Jakub Jelinek <jakub@redhat.com> + + * expr.c (do_store_flag): Pass operand_mode instead of GET_MODE (op0) + to expand_shift. + +Tue Oct 31 15:33:27 2000 J"orn Rennecke <amylaar@redhat.com> + + * sh-protos.h (reg_no_subreg_operand, emit_fpscr_use): Don't declare. + (fp_extended_operand, emit_fpscr_use): Likewise. + * sh.c (reg_no_subreg_operand, fp_extended_operand): Delete functions. + (fpul_operand): New function. + * sh.h (PREDICATE_CODES): Remove reg_no_subreg_operand and + fp_extended_operand. Add fpul_operand. + * sh.md (mulsf3, mulsf3_i4): Use fp_arith_reg_operand for "f" operands. + (mulsf3_ie, macsf3, cmpgtsf_t, cmpeqsf_t, ieee_ccmpeqsf_t): Likewise. + (cmpgtsf_t_i4, cmpeqsf_t_i4, ieee_ccmpeqsf_t_4, negsf2): Likewise. + (negsf2_i, sqrtsf2, sqrtsf2_i, abssf2, abssf2_i, adddf3): Likewise. + (adddf3_i, subdf3, subdf3_i, muldf3, muldf3_i, divdf3): Likewise. + (divdf3_i): Likewise. + (floatsisf2): Likewise. Use fpul_operand for 'y' operand. + (floatsisf2_i4, floatsisf2_ie, fix_truncsfsi2): Likewise. + (fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i): Likewise. + (fix_truncdfsi2, fix_truncdfsi2_i, extendsfdf2): Likewise. + (extendsfdf2_i4, truncdfsf2, truncdfsf2_i4): Likewise. + +2000-10-31 Bernd Schmidt <bernds@redhat.co.uk> + + * config/i386/i386.c (ix86_init_builtins): Correct return type + building v4hi_ftype_v4hi_int_int tree node. + (ix86_expand_builtin): Use correct operand numbers 0 and 1. + Copy operand 0 into a Pmode register, don't generate a MEM rtx. + + * config/i386/i386.md (sse_movntdi): Use mmx register constraint + for operand 1. + (mmx__uavgv8qi3): Correct insn mnemonic. + (mmx_psadbw): Correct insn mnemonic. Use V8QI mode for operands 1 and 2. + (mmx_punpckhwd): Correct insn mnemonic. + (mmx_punpckhdq): Likewise. + (mmx_punpcklwd): Likewise. + (mmx_punpckldq): Likewise. + (prefetch): Use immediare_operand and 'n' constraint for operand 1. + Renumber case labels to match the _mm_prefetch constants defined in + xmmintrin.h. + + * recog.c (split_all_insns): Don't try to call cleanup_subreg_operands + if the splitter didn't emit new insns. + Make sure we call cleanup_subreg_operands even when splitting the last + insn in a basic block. + + * invoke.texi (Debugging Options): Describe -do. + * toplev.c (enum_dump_file_index): New entry DFI_postreload. + (dump_file): Likewise. + (rest_of_compilation): Split .greg dump into .greg and .postreload. + +2000-10-30 Neil Booth <neilb@earthling.net> + + * cppfiles.c (stack_include_file): Check for stacked contexts + here. + * cpphash.h (_cpp_do__Pragma): New prototype. + * cppinit.c (cpp_reader_init): Add _Pragma keyword to hash table. + + * cpplex.c (skip_escaped_newlines): Only process trigraphs and + escaped newlines if !(buffer->from_stage3). + (_cpp_lex_token): Warn about missing newlines iff + !buffer->from_stage3. + + * cpplib.c (get__Pragma_string, destringize, + _cpp_do__Pragma): New functions. + (run_directive): Set output_line for _Pragma to avoid line + markers in output. Set from_stage3 and prevent macro expansion + for _Pragma and command-line options. Check buffer exhaustion. + (cpp_push_buffer): Don't check for stacked macro contexts, as + this is perfectly legitimate for _Pragma. Move the check to + stack_include_file instead. Set from_stage3 iff buffer is + preprocessed input. + + * cpplib.h (struct cpp_buffer): Make warned_cplusplus_comments + unsigned. New boolean from_stage3. + (struct spec_nodes): Add n__Pragma. + + * cppmacro.c (enter_macro_context): Flip sense of return value. + (_cpp_get_token): Handle _Pragma operator. + +2000-10-30 Phil Edwards <pme@sources.redhat.com> + + * gcc.texi: The C++ standard isn't "draft" anymore. + +2000-10-30 Mark Mitchell <mark@codesourcery.com> + + * cppmacro.c (builtin_macro): Use NT_VOID, not T_VOID. + +2000-10-29 Neil Booth <neilb@earthling.net> + + * cpplib.c (skip_rest_of_line): Use _cpp_get_token. + +2000-10-29 Joseph S. Myers <jsm28@cam.ac.uk> + + * toplev.c, flags.h, fold-const.c, real.c, rtl.c, + fixinc/inclhack.def: Change comments mentioning C9X to refer to + C99 instead. + + * invoke.texi: Document that -V will only work for very similar + versions of driver and compiler. + +2000-10-29 Neil Booth <neilb@earthling.net> + + * cppmacro.c (_cpp_create_definition): Optimize the case of + a macro defined to itself. + +2000-10-29 Neil Booth <neilb@earthling.net> + + * cpplex.c (save_comment): Don't store new lines in C++ comments. + +2000-10-29 Michael Hayes <mhayes@redhat.com> + + * integrate.c (copy_insn_list): Copy the unchanging flag for calls. + +2000-10-28 Geoffrey Keating <geoffk@cygnus.com> + + * cpphash.c (cpp_forall_identifiers): Add context variable + for callback routine. + * cppmain.c (dump_macro): Update to match cpp_forall_identifiers + change. + (main): Call cpp_forall_identifiers with null context. + * cpplib.h (cpp_forall_identifiers): Update prototype. + + * cppmain.c: Make `parse_in' and `print' static. + +2000-10-28 Alan Modra <alan@linuxcare.com.au> + + * c-decl.c (finish_function): Clear c_function_name_declared_p. + +2000-10-28 Richard Henderson <rth@redhat.com> + + * regrename.c (scan_rtx_address): Frob action, not class, + when trying to disable optimization. + +2000-10-28 Mark Mitchell <mark@codesourcery.com> + + * c-semantics.c (make_rtl_for_local_static): Don't clobber + DECL_ASSEMBLER_NAME. + +2000-10-28 Joseph S. Myers <jsm28@cam.ac.uk> + + * configure.in: Determine and substitute gcc_version_full. + * configure: Regenerate. + * gccbug.in: Use it to give full version. Don't allow + confidential PRs. + +2000-10-28 Richard Henderson <rth@redhat.com> + + * recog.c (split_all_insns): Run cleanup_subreg_operands + after reload. + + * regrename.c (regrename_optimize): Verify that all registers of + a multiple register mode are available. + (scan_rtx_address): Accept the mode of the address; all callers + changed. + + * cpplib.c (run_directive): Fix prototype. + +2000-10-28 Bernd Schmidt <bernds@redhat.co.uk> + + * reload.c (find_reloads): Distinguish "wins" so that we know whether + a given operand won because of a matching constraint or not; then use + that information to compute goal_alternative_matched properly. + * reload1.c (choose_reload_regs): Never set reload_override_in for an + optional reload. + + * config/ia64/ia64.h (RTX_COSTS): A few more entries, and a more + accurate value for MULT. + * config/ia64/ia64.c (ia64_print_operand): Require probability to be + 2% or > 98% before using static branch prediction bits. + +2000-10-28 Neil Booth <neilb@earthling.net> + + New macro expander. + + * cpplib.c (struct answer): New. + (struct if_stack): Use cpp_lexer_pos rather than line and col. + Rename cmacro mi_cmacro. + (struct directive, KANDR, STDC89, EXTENSION, COND, IF_COND, INCL, + IN_I): New directive and flags. + (skip_rest_of_line, check_eol, run_directive, glue_header_name, + parse_answer, parse_assertion, find_answer): New functions. + (parse_ifdef, detect_if_not_defined, validate_else): Remove. + (lex_macro_node): New function to replace parse_ifdef and + get_define_node. + + (_cpp_handle_directive): New function, combines _cpp_check_directive + and _cpp_check_linemarker. + + (do_define, do_undef, parse_include, do_include, do_import, + do_include_next, read_line_number, do_line, do_ident, do_pragma, + do_pragma_once, do_pragma_poison, do_pragma_dependency): + Update for new token getting interface. + + (do_ifdef, do_ifndef, do_if, do_else, do_endif, push_conditional) + : Update for new multiple-include optimisation technique. + (do_elif): Don't forget to invalidate controlling macros. + + (unwind_if_stack, cpp_defined, cpp_push_buffer, cpp_pop_buffer): Update. + (parse_assertion, parse_answer, find_answer, _cpp_test_assertion): + Functions to handle assertions with the new token interface. + (do_assert, do_unassert): Use them. + + (cpp_define, _cpp_define_builtin, cpp_undef, cpp_assert, cpp_unassert): + Use run_directive. + + (_cpp_init_stacks): Register directive names. Don't register special + nodes. + + * cpperror.c (print_containing_files, _cpp_begin_message): Update to + new position recording regime. + (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning, + cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line, + cpp_pedwarn_with_file_and_line): Update for _cpp_begin_message changes. + (cpp_type2name): Move to cpplex.c. + + * cppexp.c (parse_charconst): spec_nodes is no longer a pointer. + (parse_defined): Update to handle new multiple include optimisation + method. Remove poisoned identifier warning. + (parse_assertion, TYPE_NAME): Delete. + (lex): Update for multiple include optimisation, removal of + CPP_DEFINED, to use _cpp_test_assertion for assertions and + cpp_token_as_text. + (_cpp_parse_expr): Update for MI optimisation, and to use op_as_text. + (op_as_text): New function, to wrap cpp_token_as_text. + + * cppfiles.c (stack_include_file, _cpp_pop_file_buffer): + Update for MI optimisation. + (_cpp_execute_include): Take a token rather than 3 arguments. Fix + segfault on diagnostic. + (_cpp_compare_file_date): Take a token rather than 3 args. + (cpp_read_file): Work correctly for zero-length files. + + * cpphash.c (_cpp_init_macros, _cpp_cleanup_macros): Rename + _cpp_init_hashtable and _cpp_cleanup_hashtable. + (cpp_lookup): Place identifiers at front of identifier pool + for _cpp_lookup_with_hash. + (_cpp_lookup_with_hash): Require identifiers to be at the front of + the identifier pool. Commit the memory if not already in the + hash table. + + * cppinit.c (cpp_reader_init): Move cpp_init_completed test to top. + Initialise various members of cpp_reader, memory pools, and the + special nodes. + (cpp_printer_init): Delete. + (cpp_cleanup): Update. + (struct builtin, builtin_array, initialize_builtins): Update for new + hashnode definition and builtin handling. + (cpp_start_read, cpp_finish): Don't take or initialise a + printer. Update. + + * cpplib.h (cpp_printer, cpp_toklist, CPP_DEFINED, BOL, + PASTED, VAR_ARGS, BEG_OF_FILE, IN_DIRECTIVE, KNOWN_DIRECTIVE, + T_VOID, T_SPECLINE, T_DATE, T_FILE, T_BASE_FILE, T_INCLUDE_LEVEL, + T_TIME, T_STDC, T_OPERATOR, T_POISON, T_MACRO, T_ASSERTION): Delete. + (struct cpp_pool, struct cpp_macro, struct cpp_lexer_pos, + struct cpp_lookahead, CPP_DHASH, enum mi_state, enum mi_ind, + NO_EXPAND, VARARGS_FIRST, struct cpp_token_with_pos, + struct toklist, struct cpp_context, struct specnodes, + TOKEN_LOOKAHEAD, TOKEN_BUFFSIZE, NODE_OPERATOR, NODE_POISONED, + NODE_BUILTIN, NODE_DIAGNOSTIC, NT_VOID, NT_MACRO, NT_ASSERTION, + enum builtin_type, cpp_can_paste): New. + (struct cpp_token): Delete line and col members. + (struct cpp_buffer): New member output_lineno. + (struct lexer_state): Delete indented, in_lex_line, seen_dot. + Add va_args_ok, poisoned_ok, prevent_expansion, parsing_args. + (struct cpp_reader): New members lexer_pos, macro_pos, directive_pos, + ident_pool, temp_string_pool, macro_pool, argument_pool, string_pool, + base_context, context, directive, mi_state, mi_if_not_defined, + mi_lexed, mi_cmacro, mi_ind_cmacro, la_read, la_write, la_unused, + mlstring_pos, macro_buffer, macro_buffer_len. + Delete members mls_line, mls_column, token_list, potential_control_macro, + temp_tokens, temp_cap, temp_alloced, temp_used, first_directive_token, + context_cap, cur_context, no_expand_level, paste_level, contexts, args, + save_parameter_spellings, need_newline, . + Change type of date, time and spec_nodes members. + Change prototypes for include and ident callbacks. + (struct cpp_hashnode): Change type of name. Remove union members + expansion and code. Add members macro, operator and builtin. + + (cpp_token_len, cpp_token_as_text, cpp_spell_token, cpp_start_read, + cpp_finish, cpp_avoid_paste, cpp_get_token, cpp_get_line, + cpp_get_output_line, cpp_macro_definition, cpp_start_lookahead, + cpp_stop_lookahead): New prototypes. + (cpp_printer_init, cpp_dump_definition): Delete prototypes. + + (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, ufputs): + Move from cpphash.h. + + * cpphash.h (U_CHAR, U, ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr, + ufputs): Move to cpplib.h. + (enum spell_type, struct token_spelling, _cpp_token_spellings, TOKEN_SPELL, + TOKEN_NAME, struct answer, FREE_ANSWER, KANDR, STDC89, EXTENSION, + COND, EXPAND, INCL, COMMENTS, IN_I, struct directive, directive_handler, + struct spec_nodes, _cpp_digraph_spellings, _cpp_free_temp_tokens, + _cpp_init_input_buffer, _cpp_grow_token_buffer, _cpp_init_toklist, + _cpp_clear_toklist, _cpp_expand_token_space, _cpp_expand_name_space, + _cpp_equiv_tokens, _cpp_equiv_toklists, _cpp_process_directive, + _cpp_run_directive, _cpp_get_line, _cpp_get_raw_token, _cpp_glue_header_name, + _cpp_can_paste, _cpp_check_directive, _cpp_check_linemarker, + _cpp_parse_assertion, _cpp_find_answer): Delete. + (VALID_SIGN, ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE, POOL_SIZE, + POOL_USED, POOL_COMMIT, struct cpp_chunk, _cpp_lex_token, _cpp_init_pool, + _cpp_free_pool, _cpp_pool_reserve, _cpp_pool_alloc, _cpp_next_chunk, + _cpp_lock_pool, _cpp_unlock_pool, _cpp_test_assertion, + _cpp_handle_directive, DSC): New. + (struct include_file): New member defined. + + (DO_NOT_REREAD, _cpp_begin_message, _cpp_execute_include, + _cpp_compare_file_date): Update. + (_cpp_pop_context, _cpp_get_token, _cpp_free_lookaheads, _cpp_push_token): New. + (_cpp_init_macros, _cpp_cleanup_macros): Rename to _cpp_init_hashtable, + _cpp_cleanup_hashtable. + + * Makefile.in: Remove cppoutput.c. + + * cppoutput.c: Delete + + * fixheader.c (read_scan_file): Update for new cpp_get_token + prototype. + (recognized_function): New argument LINE. + + * scan-decls.c (skip_to_closing_brace, scan_decls): Update for + new cpp_get_token prototype. + + * scan.h (recognized_function): Update prototype. + + * po/POTFILES.in: Remove cppoutput.c. + +2000-10-27 Mark Mitchell <mark@codesourcery.com> + + * c-typeck.c (check_init_type_bitfields): Remove. + (constructor_incremental): Likewise. + (struct constructor_stack): Remove incremental bit. + (struct initializer_stack): Likewise. + (start_init): Don't play with constructor_incremental. + (finish_init): Likewise. + (really_start_incremental_init): Likewise. + (push_init_level): Likewise. + (pop_init_level): Likewise. + (output_init_level): Likewise. + (output_pending_init_elements): Likewise. + +2000-10-21 Mike Coleman <mcoleman2@kc.rr.com> + + * c-pragma.c (handle_pragma_pack): Initialize align to -1. + Improve error messages. Correct parsing of + #pragma pack(pop [,id]). Do not check the user-supplied + alignment if we're popping. + + * gcc.dg/pack-test-1.c: New test case. + * gcc.dg/pack-test-2.c: New test case. + * gcc.dg/pack-test-1.h: New file. + +2000-10-27 Neil Booth <neilb@earthling.net> + + * cpp.texi: Update. + +2000-10-27 Kelley Cook <kelley.cook@home.com> + + * invoke.texi: Document -mintel-syntax + +2000-10-27 Richard Henderson <rth@redhat.com> + + * invoke.texi: Document -frename-registers. Add it to -O3. + * toplev.c (rest_of_compilation): Run regrename before ifcvt2. + (enum dump_file_index, dump_file): Update order. + (main): Set flag_rename_registers at -O3. + +2000-10-27 Richard Henderson <rth@redhat.com> + + * config/alpha/alpha.h (enum reg_class): Add PV_REG. + (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update. + (REG_CLASS_FROM_LETTER): Assign it to 'c'. + * config/alpha/alpha.md (call_osf_1): Use it. + (call_value_osf_1): Likewise. + + * config/ia64/ia64.c: Revert 10-23 patch. + (ia64_hard_regno_rename_ok): New. + * config/ia64/ia64-protos.h: Declare it. + * config/ia64/ia64.h (HARD_REGNO_RENAME_OK): Use it. + +2000-10-27 Bernd Schmidt <bernds@redhat.co.uk> + Richard Henderson <rth@redhat.com> + + * regrename.c: Rewrite to handle multi-register modes and + cond_exec instructions. + * Makefile.in (regrename.o): Update dependencies. + * recog.h (struct operand_alternative): Add is_address. + * recog.c (preprocess_constraints) [case 'p']: Set it. + +2000-10-27 Zack Weinberg <zack@wolery.stanford.edu> + + * configure.in: If not NO_MINUS_C_MINUS_O, substitute + OUTPUT_OPTION with '-o $@'. Make zlibdir, zlibinc relative to + top level. Kill oldstyle_subdirs. Do not include + $srcdir/$s/Makefile.in in all_lang_makefiles, but do include + $outputs. Do not run configure.lang from config.status. + Rearrange warning-flag logic to correspond to what the + makefile wants. Put special vax stage1 options in + @stage1_flags@ not @stage1_warn_cflags@. Don't do anything + with extra_c_objs, extra_cxx_objs, or extra_cpp_objs. + (--enable-c-cpplib): AC_SUBST(maybe_cpplib) with "libcpp.a" if + switch is given, nothing otherwise. + * configure.lang: Delete. + + * Makefile.in: Expunge all traces of extra_c_objs, + extra_cxx_objs, and extra_cpp_objs. Set MAYBE_CPPLIB from + @maybe_cpplib@. Add $(MAYBE_CPPLIB) to C_AND_OBJC_OBJS. Set + warning options via a three level scheme so that -pedantic and + -Wtraditional are not used for non-C front ends: LOOSE_WARN, + STRICT1_WARN, STRICT2_WARN -> $(@D)-warn, GCC_WARN_CFLAGS -> + WARN_CFLAGS. Distinguish STAGE1_CFLAGS from BOOT_CFLAGS. + Add -I$(@D) and -I$(srcdir)/$(@D) to INCLUDES. + Set OUTPUT_OPTION, ZLIB, ZLIBINC. Do not set P, + LANG_FLAGS_TO_PASS. Add OUTPUT_OPTION to all object-file + generation rules. Wrap all rules that change the current + directory in parentheses; pmake doesn't spawn a new shell for + each command. Expunge all references to $(P). When one + command depends on another and they're run all at once, use && + to separate them, not ;. Add libgcc_s$(SHLIB_EXT) to files + deleted on make clean. Force OUTPUT_OPTION='-o $@' in stage2 + and beyond. + + * objc/Make-lang.in: Wrap all rules that change the current + directory in parentheses. Expunge all references to $(P). + When one command depends on another and they're run all at + once, use && to separate them, not ;. Add OUTPUT_OPTION to + all object-file generation rules. Delete obsolete variables. + * objc/Makefile.in: Delete. + +2000-10-27 Jakub Jelinek <jakub@redhat.com> + + * calls.c (expand_call): If sibcall_failure is set during pass 1, + clear tail_call_insns as well. + +2000-10-27 Nick Clifton <nickc@redhat.com> + + * config/arm/arm-protos.h (arm_function_ok_for_sibcall): Add + prototype. + +2000-10-26 Richard Henderson <rth@redhat.com> + + * calls.c (expand_call): Supress sibcall if we have a + BLKmode return in registers. + +2000-10-26 Bernd Schmidt <bernds@redhat.co.uk> + + * ia64.h (PREFERRED_RELOAD_CLASS): Force floating point constants + into memory. + +2000-10-26 Nathan Sidwell <nathan@codesourcery.com> + + * tree.c (make_node, case 't'): Set alignment to that of + char_type_node. + * expr.c (move_by_pieces_ninsns): Abort if some length remains. + +2000-10-25 Mark Mitchell <mark@codesourcery.com> + + * Makefile.in (site.exp): Define HAVE_LIBSTDCXX_V3. + * configure.in (enable-libstdcxx-v3): Arrange to have + HAVE_LIBSTDCXX_V3 substituted into the output files. + +2000-10-25 Richard Henderson <rth@redhat.com> + + * recog.c (constrain_operands): Initialize which_alternative + before no alternatives early exit. + + * cse.c (find_comparison_args): Check that we can reverse a + comparison if needed before accepting the substitution. + + * reload.c (find_reloads_address_part): Kill rtx obstack hackery. + + * simplify-rtx.c (simplify_relational_operation): Sign extend + low words before sign extending to high words. + +2000-10-25 Nick Clifton <nickc@redhat.com> + + * config/mcore/mcore.c: Include config.h before system.h. + +2000-10-25 Ray Essick <essick@ddna.labs.mot.com> + + * config/mcore/mcore.md (return): Force function epilogue to + always be generated to work around epilogue suppression bug in + M*Core backend. + +2000-10-25 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-decl.c (grokdeclarator): Move warning for qualified void + return types with -pedantic to when the function type is + constructed. At -W, warn in general for qualified function return + types, except for volatile void. + * invoke.texi: Document this new warning at -W. + +2000-10-25 Neil Booth <neilb@earthling.net> + + * cpp.texi: Update with implementation-defined behavior and + internal limits. + +2000-10-25 Jakub Jelinek <jakub@redhat.com> + + * stor-layout.c (layout_type): If TYPE_ALIAS_SET was already set on the + incomplete type force it into alias set 0. + +Wed Oct 25 01:02:44 EDT 2000 John Wehle (john@feith.com) + + * alias.c: Include basic-block.h. + (loop_p): New function. + (mark_constant_function): Use it. + * Makefile.in (alias.o): Update dependencies. + +2000-10-24 Aldy Hernandez <aldyh@redhat.com> + + * config/mn10300/mn10300.c (secondary_reload_class): Treat pseudos + like memory. + +2000-10-24 Jim Wilson <wilson@cygnus.com> + + * expmed.c (store_bit_field): Move integer pun code down after + code that calls emit_move_insn for entire register move. + * stor-layout.c (compute_record_mode): Revert Mar 25, Aug 18, and + Oct 20 changes. Only store mode in TYPE_MODE if RECORD_TYPE. + +2000-10-24 Richard Henderson <rth@cygnus.com> + + * rtlanal.c (rtx_unstable_p, rtx_varies_p): Don't consider pic + register stable if PIC_OFFSET_TABLE_REG_CALL_CLOBBERED. + +2000-10-24 Aldy Hernandez <aldyh@redhat.com> + + * gcse.c (cprop_insn): do not propagate constants into jump_insn + for machines with CC0 more than once. + +2000-10-24 Richard Henderson <rth@cygnus.com>, Aldy <aldyh@cygnus.com> + + * config/mn10300/mn10300.h (PREFERRED_RELOAD_CLASS): Treat + pseudos just like memory. + +2000-10-24 Alexandre Oliva <aoliva@redhat.com> + + * combine.c (distribute_notes): Discard REG_LIBCALL and REG_RETVAL + when deleting libcall sequence collapsed to a single instruction. + +2000-10-24 Andrew Haley <aph@cygnus.co.uk> + + * expr.c (do_store_flag): Don't crash if either side of a + comparison is error_mark_node. + +2000-10-24 Jakub Jelinek <jakub@redhat.com> + + * sibcall.c (purge_mem_unchanging_flag): New function. + (optimize_sibling_and_tail_recursive_calls): Call it. + +2000-10-24 Philipp Thomas <pthomas@suse.de> + + * Makefile.in (check-po): New target for doing checks in the po + subdir if all languages configured. + (CHECK_TARGETS): Add @CHECK_PO@, replaced with check-po via + configure if NLS is enabled. + * configure.in: If NLS is enabled, substitute CHECK_PO by check-po, + otherwise leave empty. + * configure: Regenerate. + +2000-10-23 Diego Novillo <dnovillo@cygnus.com> + + * i386.c (print_operand): Handle new 'A' formatting code. + 387 opcodes need suffixes even with -mintel-syntax. + Check for explicit size override (codes 'b', 'w' and 'k'). + (print_operand_address): Check if register prefix is needed when + emitting `ds' segment override. + * i386.h: Add comment about new 'A' formatting code. + * i386.md (jump and call patterns): Emit absolute references using %A. + +2000-10-23 Richard Henderson <rth@cygnus.com> + + * config/ia64/ia64.c (ia64_expand_prologue): Mark extra + output registers as fixed. + (ia64_function_epilogue): Undo output fixation. + +2000-10-23 Richard Henderson <rth@cygnus.com> + + * config/alpha/alpha.md: Add names for all unnamed insns; use + define_insn_and_split in some obvious places. + (lda): Remove. + (zero_extendqihi2): Use an expander w/ nonimmediate_operand for BWX. + (zero_extendqisi2, zero_extendqidi2): Likewise. + (zero_extendhisi2, zero_extendhidi2): Likewise. + (abs splitters): Fix match_scratch operand number. + (bcc_reverse): Swap pc & label instead of non-canonical compare. + +2000-10-23 Jim Wilson <wilson@cygnus.com> + + * ia64.c (ia64_print_operand, case 'r'): Correct comment. Handle + CONST_INT. + * ia64.md (cmpsi_adjusted): Use %r3. + (cmpdi_adjusted): Likewise. + +2000-10-23 Diego Novillo <dnovillo@cygnus.com> + + * config/i386/att.h (ASM_FILE_START): Define. + +2000-10-23 Diego Novillo <dnovillo@cygnus.com> + + * config/i386/linux.h (ASM_FILE_START): Define. + +Wed Oct 18 11:16:40 2000 Donald Lindsay <dlindsay@cygnus.com> + + * gcc/configure.in: m68k-coff tm_file should not have libgloss.h, + since this (only) drags in a crt0.o reference that the .ld files + also introduce. + +2000-10-23 Geoff Keating <geoffk@cygnus.com> + + * reload1.c (reload_reg_reaches_end_p): A RELOAD_OTHER can + overwrite the value in a RELOAD_FOR_INPUT and other kinds of + reloads just like an RELOAD_FOR_OUTPUT would. + + * local-alloc.c (update_equiv_regs): Add an abort(). When + deleting or moving insns, update reg_equiv[regno].init_insns. + +2000-10-23 Mark Mitchell <mark@codesourcery.com> + + * c-tree.texi: Improve documentation for IF_STMTs and related + conditional statements. + +2000-10-22 Mark Mitchell <mark@codesourcery.com> + + * expr.c (do_preexpand_calls): Remove. + (same_from_p): Don't use CALL_EXPR_RTL. + (expand_expr): Don't call preexpand_calls, or use CALL_EXPR_RTL. + (preexpand_calls): Remove. + * tree.c (first_rtl_op): Remove CALL_EXPR case. + (unsave_expr_1): Likewise. + * tree.def (CALL_EXPR): Give it only two slots. + * tree.h (CALL_EXPR_RTL): Remove. + +2000-10-21 Chandrakala Chavva <cchavva@redhat.com> + + * libgcc-std.ver (__addvsi3, __addvdi3, __subvsi3, __subvdi3, + __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3): + New functions. + +2000-10-22 Alexandre Oliva <aoliva@redhat.com> + + * calls.c (combine_pending_stack_adjustment_and_call): Don't + adjust stack when unadjusted_alignment ends up as zero. + +2000-10-22 Joseph S. Myers <jsm28@cam.ac.uk> + + * fixinc/genfixes: Remove EGCS reference. + * install.texi: Remove EGCS reference. + * INSTALL: Regenerate. + +2000-10-22 Mark Mitchell <mark@codesourcery.com> + + * tree.h (TYPE_IS_SIZETYPE): Add more documentation. + +2000-10-21 Joseph S. Myers <jsm28@cam.ac.uk> + + * diagnostic.c: Remove EGCS reference in comment. + +Sat Oct 21 08:24:25 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * loop.c (strength_reduce): Fix error in last change. + +2000-10-20 David Edelsohn <edelsohn@gnu.org> + + * Makefile.in (SHLIB_NM_FLAGS): New. + (libgcc.mk): Pass it. + * mklibgcc.in (libgcc.map): Use it. + + * rs6000/t-aix43 (SHLIB_EXT, SHLIB_LINK, SHLIB_LIBS, + SHLIB_MKMAP, SHLIB_MAPFILES, SHLIB_NM_FLAGS): New. + +2000-10-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * mips.h (REG_CLASS_FROM_LETTER): Cast array arg to unsigned char. + + * sparc.c (load_pic_register): Delete unused varaible. + + * libgcc2.c (__addvsi3): Delete unused variable. + + * libgcc2.h (__absvsi2, __absvdi2, __addvsi3, __addvdi3, + __subvsi3, __subvdi3, __mulvsi3, __mulvdi3, __negvsi2, + __negvdi2): Prototype. + + * ssa.c (apply_delayed_renames): Avoid undefined operation. + + * toplev.c (display_target_options): Make static to match + prototype. Delete empty declaration. + +2000-10-20 Tom Tromey <tromey@cygnus.com> + + * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT. + * gcc.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Added -MF and -MT. + +Fri Oct 20 17:05:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (expand_expr, case SAVE_EXPR): Set RTX_UNCHANGING_P on + returned MEM. + (expand_expr_unaligned, case ARRAY_REF): Check that index is + a constant before comparing it; use tree_low_cst. + * tree.c (save_expr): Set TREE_READONLY. + (substitute_expr): Return inside of NON_LVALUE_EXPR. + (build, build1): Set TREE_READONLY if all operands are. + (build_index_type): If upper bound is a negative number, lower + bound is zero and sizetype is unsigned, use upper bound of one and + lower of zero. + +2000-10-20 David Edelsohn <edelsohn@gnu.org> + + * gcc.c (process_command, main): Use "because" instead of + "since" in error messages. + +Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * stor-layout.c (compute_record_mode): Use tree_low_cst. + Don't use mode of field for record unless sizes are the same. + (layout_type, case ARRAY_TYPE): Remove special bounds handling + previously added for Ada; also change to using host_integerp + and tree_low_cst. + + * loop.c (strength_reduce): Show when new register made for + giv is known to be a pointer and its aligment if so and known. + (loop_dump_aux): Show VERBOSE parameter unused. + + * gcse.c (set_hash_table_size): Now unsigned. + * sdbout.c (template_name_p): Add "const" to avoid warnings. + (sdbout_record_type_name, plain_type_1, sdbout_symbol): Likewise. + (sdbout_one_type, sdbout_parms, sdbout_reg_parms): Likewise. + (sdbout_end_epilogue): Remove variable NAME. + * system.h (getopt): Add default definition. + * config/alpha/alpha.c (print_operand): Don't continue processing + after issuing error. + (summarize_insn): Avoid use of UL in constant. + + * function.c (locate_and_pad_parm): Use host_integerp and tree_low_cst. + + * fold-const.c (force_fit_type): Unsigned values can overflow + if they are sizetype. + (int_const_binop): Don't use cache if overflows. + +2000-10-20 Richard Henderson <rth@cygnus.com> + + * function.c (locate_and_pad_parm): Zero alignment_pad. + + * regrename.c (rr_replace_reg): Rewrite to use recog_data to + perform substitutions, and apply_change_group to see if it worked. + +Fri Oct 20 13:33:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * dwarf2out.c (add_bound_info): Also ignore COND_EXPR. + + * combine.c (struct undo): Change int to unsigned int. + (do_SUBST_INT): Args are unsigned int. + (make_extraction, force_to_mode): Use proper type when forming mask. + (make_field_assignment): Likewise. + +2000-10-20 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (check_format_info_recurse): Extract string constant + initializers from non-volatile constant arrays and check them as + formats. + * c-typeck.c (decl_constant_value): Don't check pedantic or check + for DECL_MODE (decl) != BLKmode. + (decl_constant_value_for_broken_optimization): New function which + includes these checks. + (default_conversion, convert_for_assignment, digest_init): Use + decl_constant_value_for_broken_optimization instead of + decl_constant_value. + +2000-10-20 Mark Mitchell <mark@codesourcery.com> + + * tree.h (DECL_ALIGN_UNIT): New macro. + +2000-10-14 Marek Michalkiewicz <marekm@linux.org.pl> + + * config/avr/avr-protos.h (avr_output_bld): New. + (out_shift_with_cnt): Add t_len argument. + * config/avr/avr.c (avr_num_arg_regs): Remove -mpack-args. + (output_movqi, output_movhi, output_movsisf): Optimize loading + any constant with exactly one bit set to NO_LD_REGS. + (out_shift_with_cnt): Optimize output code for size or speed, + depending on optimize_size. Handle small shift counts as well + (if not hand-optimized in ?sh??i3_out). Shifts can be done + with or without a scratch register, with help of __tmp_reg__ + or __zero_reg__ if necessary. Add T_LEN argument to pass the + length of TEMPLATE in words, return total insn length in *LEN. + (ashlqi3_out, ashrqi3_out, lshrqi3_out): Change all calls to + out_shift_with_cnt to work with the above change. + (ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out, lshrhi3_out, + lshrsi3_out): Likewise. Optimize more known shift count cases. + Remove cases already well optimized in out_shift_with_cnt. + (avr_output_bld): New function. + * config/avr/avr.h (MASK_PACK_ARGS, TARGET_PACK_ARGS): Remove. + (TARGET_SWITCHES): Remove -mpack-args backward compatibility. + * config/avr/avr.md (*reload_inqi, *reload_inhi, *reload_insi): + Add reload_completed to insn condition - only for peepholes. + (ashlqi3, ashrqi3, lshrqi3): Correct insn length for shift counts + in a register or memory. + (ashlhi3, ashlsi3, ashrhi3, ashrsi3, lshrhi3, lshrsi3): Likewise. + Do not require a scratch register. + (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const, + *lshrhi3_const, *lshrsi3_const): New insns and matching peepholes. + Optimize shifts by known count using a scratch register, but only + if one is still available after register allocation. + +2000-10-20 J. David Anglin <dave@hiauly1.hia.nrc.ca> + + * t-vax: New file. Don't build modules from libgcc1.c. + +Fri Oct 20 00:57:00 EDT 2000 John Wehle (john@feith.com) + + * alias.c: (mark_constant_function): Don't check pure functions. + Initialize and end alias analysis. + (nonlocal_mentioned_p): Rename from nonlocal_reference_p. + Don't make a special exception for recursion. Handle + UNSPEC_VOLATILE. Don't assume ASM_OPERANDS is non-local + unless it's volatile. + + * local-alloc.c (equivalence): New structure. + (reg_equiv): Define. + (contains_replace_regs): Remove array and use + field in reg_equiv. + (memref_referenced_p): Likewise. + (no_equiv): Likewise. + (update_equiv_regs): Likewise. + + (equiv_init_varies_p, + equiv_init_movable_p): New functions. + (update_equiv_regs): Use them. Use rtx_varies_p + instead of function_invariant_p. Process insns + from end to beginning. Allow a REG_EQUIV insn + within the same loop as a use to be moved, also + allow it to be moved out of a loop. Update + REG_DEAD notes when substituting into an insn. + +2000-10-19 Jim Wilson <wilson@cygnus.com> + + * c-decl.c (start_decl): Check for error_mark_node type before using + COMPLETE_TYPE_P. + (finish_decl): Likewise. Don't give an error if decl type is + already error_mark_node. + + * haifa-sched.c (compute_trg_info): Add explanatory comments. + New local update_blocks. Use update_blocks to remove duplicates + when computing update blocks. Check for bblst_table overflow. + (schedule_block): Add explanatory comment. Reduce bblst_size by + factor of 2. + * config/ia64/ia64.md (movdi_symbolic): Document loss of REG_LABEL + notes. + +2000-10-19 Chandrakala Chavva <cchavva@redhat.com> + + * libgcc2.c (_mulvsi3): Change variables u and v to a and b. + +2000-10-19 Chandrakala Chavva <cchavva@redhat.com> + + * expmed.c: Minor corrections in comments. + * invoke.texi: Added desciption for the new option -ftrapv. + +2000-10-19 Chandrakala Chavva <cchavva@redhat.com> + + * libgcc2.c: Added the missing #endif. + +Thu Oct 19 14:25:11 MET DST 2000 Jan Hubicka <jh@suse.cz> + + * i386.h (CONST_OK_FOR_LETTER): Re-add 'N'; document. + +2000-10-18 Chandrakala Chavva <cchavva@redhat.com> + + * expmed.c (expand_mult): Don't do synth_mult optimization for -ftrapv. + Use smulv_optab for -ftrapv. + (expand_mult_highpart): Use unsigned multiply. + (expand_divmod): Special-case division by -1. + For EXACT_DIV_EXPR, do right shift first, then the multiply. + For complex divide, use abs with unsigned result. + * expr.c (force_operand): Use unsigned multiply. + (expand_expr): Use overflow-trapping optabs for signed types if + flag_trapv. + If flag_trapv, don't generate a recursive call with EXPAND_SUM + if the type is signed and the original call wasn't EXPAND_SUM or + EXPAND_INITIALIZER. + * expr.h (addv_optab, subv_optab, smulv_optab, sdivv_optab): Declare. + (negv_optab, absv_optab): Declare. + * flags.h (flag_trapv): Declare. + * genopinit.c (optabs): Add entries for addv_optab, subv_optab, + smulv_optab, sdivv_optab, negv_optab and absv_optab. + (gen_insn): Interpret '$P' as requiring an integer mode, + including partial integer modes. + * loop.c (emit_iv_add_mult): Use unsigned expand_mult_add. + (product_cheap_p): Use unsigned expand_mult. + * optabs.c (addv_optab, subv_optab, smulv_optab, sdivv_optab): Define. + (negv_optab, absv_optab): Define. + (expand_binop): Use overflow-trapping optabs for signed types if + flag_trapv. + Handle negv_optab libe neg_optab. + (expand_abs): Take result_unsignedp argument instead of unsignedp one. + Use overflow-trapping optabs for signed result if flag_trapv. + (expand_complex_abs): Use overflow-trapping optabs for signed types if + flag_trapv. + Don't open-code complex absolute-value operation for flag_trapv. + (init_optabs): Initialize addv_optab, subv_optab, smulv_optab, + sdivv_optab, negv_optab and absv_optab. + * toplev.c (flag_trapv): Define. + (lang_independent_options f_options): Include flag_trapv. + * tree.h (TYPE_TRAP_SIGNED): Define. + * libgcc2.c (__addvsi3, __addvdi3, __subvsi3,__subvsi3, __subvdi3, + __mulvsi3, __negvsi2, __negvdi2, __absvsi2, __absvdi2, __mulvdi3): + New functions. + * Makefile.in: add _absvsi2 _absvdi2 _addvsi3 _addvdi3 _subvsi3 + _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2. + +2000-10-18 Geoffrey Keating <geoffk@cygnus.com> + David V. Henkel-Wallace <gumby@cygnus.com> + + * config/i386/t-netware: Bring in from the Red Hat tree. + * config/i386/netware.h: Likewise. + * config/netware.h: Likewise. + * config/rs6000/netware.h: Delete. + * configure.in: Add i[34567]86-*-netware. + * configure: Hand-edit to match configure.in change. + +2000-10-18 Mark Mitchell <mark@codesourcery.com> + + * c-common.h (flag_no_builtin): Declare. + (flag_no_nonansi_builtin): Likewise. + (c_common_nodes_and_builtins): Change prototype. + * c-common.c (flag_no_builtin): New variable. + (flag_no_nonansi_builtin): Likewise. + (c_common_nodes_and_builtins): Remove parameters. Adjust + accordingly. + * c-decl.c (flag_no_builtin): Remove. + (flag_no_nonansi_builtin): Likewise. + (init_decl_processing): Adjust call to + c_common_nodes_and_builtins. + +2000-10-18 Marc Espie <espie@openbsd.org> + + * tm.texi (LIBGCC_SPEC): Synch with reality. + +2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (check_format_types): Check for writing through a + NULL pointer argument. + +2000-10-18 Hans-Peter Nilsson <hp@axis.com> + + * tm.texi (Exception Region Output): Document + DWARF_CIE_DATA_ALIGNMENT. + * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Wrap definition in + #ifndef. + [ENABLE_CHECKING] (reg_save): Abort if offset is not a multiple of + DWARF_CIE_DATA_ALIGNMENT. + +2000-10-18 Michael Hayes <mhayes@cygnus.com> + + * basic-block.h (struct loop): Delete fields pre_header_root + and pre_header_trace and replace with pre_header_edges + and num_pre_header_edges. + * flow.c (flow_loop_dump): Dump pre_header_edges. + (flow_loops_free): Free pre_header_edges. + (flow_loop_pre_header_scan): Calculate pre_header_edges. + +2000-10-18 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * contrib.texi: Update references to steering committee members + and Jeff Law's entry. + +2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (CPLUSPLUS_STD_VER, C_STD_VER, C_STD_NAME): Define. + (maybe_read_dollar_number, check_format_info_main): Use them for + pedantic warning messages. + +2000-10-18 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (check_format_info_main): Minor cleanup: move + variables into inner scopes; initialize declarations where + appropriate; don't hardcode "scanf" name on warning for zero + width. + +2000-10-17 Mark Mitchell <mark@codesourcery.com> + + * c-common.c (back_end_hook): New variable. + * c-common.h (back_end_hook): Declare it. + * c-lang.c (finish_file): Use it. + + * emit-rtl.c (init_emit_once): Initialize the const_int_htab + earlier. + +2000-10-18 Jan Hubicka <jh@suse.cz> + + * i386.c (ix86_comparison_operator, put_condition_code, + ix86_match_ccmode, ix86_cc_mode): Handle CCRCmode. + (ix86_expand_strlensi_unroll_1): Use CCRCmode. + * i386.h (EXTRA_CC_MODES): Add CCRCmode. + * i386.md (adddi and negdi splitter): Use CCRCmode. + (add?i_3, add?i_4, add?i_5): Use CCRCmode; swap operands + (subsi3_carry): add '*' + (addsi3_carry_rc, subsi3_carry_rc, x86_movsicc_0_m1_rc): New. + (cmp to add peep2): Use CCRCmode; swap operands. + +2000-10-18 Kazu Hirata <kazu@hxi.com> + + * h8300.c: Fix a comment typo. + (round_frame_size): New. + (compute_saved_regs): Likewise. + (push): Likewise. + (pop): Likewise. + (push_order): Remove. + (pop_order): Likewise. + (function_prologue): Rearrange code for readability. + (function_epilogue): Likewise. + + * config/h8300/h8300.md: Remove an unnecessary sign_extend + expander that is used when not optimizing. Output a tab after + each assembly insns. + + * reorg.c: Fix formatting. + +2000-10-17 Joern Rennecke <amylaar@redhat.co.uk> + + * reload1.c (move2add_note_store): Check for simple + auto-inc in destination. + +2000-10-17 Michael Chastain <chastain@redhat.com> + + * config/i386/i386-aout.h: define INT_ASM_OP. + +Tue Oct 17 20:11:08 2000 Alan Modra <alan@linuxcare.com.au> + + * pa.c (print_operand): Handle case 'c' for .vtable_inherit + +Tue Oct 17 20:05:51 2000 Martin Buchholz <martin@xemacs.org> + + * i370.md: Fix spelling typo. + +2000-10-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * function.c (locate_and_pad_parm): Don't align stack unconditionally. + Fixes execute/20001017-1.c on powerpc-linux-gnu. + + * expr.c (store_constructor): Apply MEM_ALIAS_SET to MEMs only. + * rs6000/rs6000.c (rs6000_hash_constant): Use X0INT to access a + LABEL_REF. + + * rs6000/rs6000.h (NO_DOLLAR_IN_LABEL, DOLLARS_IN_IDENTIFIERS, + ENCODE_SECTION_INFO, ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Move from + here... + * rs6000/aix.h: ...to here. + * rs6000/linux.h (ASM_APP_ON, ASM_APP_OFF): Define to Linux-style. + +2000-10-17 Jakub Jelinek <jakub@redhat.com> + + * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Reload gp if needed. + + * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Always use call, make + sure linker can relax even the delay slot mov %g1,%o7, fix output + formating. + +2000-10-17 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md: Remove an unnecessary zero_extend + expander that is used when not optimizing. Output a tab after + each assembly insns. + +2000-10-17 Chandrakala Chavva <cchavva@redhat.com> + + * gcc.c: New options --target-help. + (process_command): Added code to parse this new option. + * toplev.c (display_target_options): New function to support the + above new option. + * cppinit.c (new_pending_directive) : New option OPT_target__help. + (cpp_handle_option): Support this new option. + * invoke.texi: Added notes about --target-help option. + +2000-10-17 Graham Stott <grahams@redhat.com> + + * config/i386/i386.md (testqi_1): Add missing operand prefix + for operand 0. + * config/i386/i386-protos.h: Add missing prototype. + +2000-10-17 Diego Novillo <dnovillo@cygnus.com> + + * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Symbol + _GLOBAL_OFFSET_TABLE should not have a $ prefix when + using -mintel-syntax. + +2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (FMT_FLAG_DOLLAR_MULTIPLE): Define. + (format_types): Use it for printf. + (maybe_read_dollar_number): Add parameter for the kind of format + involved. Warn for multiple use for arguments if this is + inappropriate for the kind of format involved. + (check_format_info_main): Update calls to maybe_read_dollar_number. + +2000-10-17 J. David Anglin <dave@hiauly1.hia.nrc.ca> + + * inclhack.def (hpux_maxint): Also apply fix to values.h. + * fixincl.x: Rebuilt. + +2000-10-17 Alexandre Oliva <aoliva@redhat.com> + + * genrecog.c (write_switch): Return the first condition that needs a + label. + +2000-10-17 Bernd Schmidt <bernds@redhat.co.uk> + + * c-tree.h (warn_sequence_point): Move declaration to... + * c-common.h (warn_sequence_point): ... here. + * c-decl.c (warn_sequence_point): Move definition to... + * c-common.c (warn_sequence_point): ... here. + (struct reverse_tree): New. + (reverse_list, reverse_max_depth): New static variables. + (build_reverse_tree, common_ancestor, modify_ok + verify_sequence_points): New functions. + (c_expand_expr_stmt): Call verify_sequence_points if -Wsequence-point. + * c-typeck.c (check_modify_expr): Delete. + (build_modify_expr): Don't call it. + +2000-10-17 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.h (warn_missing_format_attribute): New variable. + * c-decl.c (warn_missing_format_attribute): New variable. + (c_decode_option): Decode -Wmissing-format-attribute and + -Wno-missing-format-attribute. + * c-common.c (check_function_format): If + -Wmissing-format-attribute, give a warning where a vprintf or + vscanf function is called by a function without its own printf or + scanf attribute. + * toplev.c (documented_lang_options): Add + -Wmissing-format-attribute. + * invoke.texi: Document -Wmissing-format-attribute. + +2000-10-17 Marc Espie <espie@openbsd.org> + + * invoke.texi (-shared): Insist on requiring code generation flags + to be used along with -shared, and document the subtle failure that + may occur otherwise. + +2000-10-16 J. David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.md (return_internal): Move `use' after `return'. + +2000-10-16 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr> + + * machmode.def: Correct comment. + +2000-10-16 Rodney Brown <RodneyBrown@mynd.com> + + * print-rtl.c (print_rtx_head): Constify. + * rtl.h (print_rtx_head): Similarly. + + * config/pa/pa/pa-protos.h (output_64bit_and, output_64bit_ior): + Constify char * return value. + * config/pa/pa/pa.c + (output_64bit_and, output_64bit_ior): Constify char * return value. + (pa_can_combine_p): Make static. + (function_arg): Decorate unused `named' argument. Fix comment typo. + (function_arg_partial_nregs): Decorate unused `named' argument. + +2000-10-16 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (format_check_results): New structure. + (finish_dollar_format_checking): Adjust to take a + format_check_results * parameter. + (check_format_info, check_format_info_recurse, + check_format_info_main): Split check_format_info into three + functions, the main checking going in check_format_info_main. + Recurse when any reduction of the format string argument towards a + string literal is done; go down both branches of a conditional + expression. Don't warn for extra format arguments or empty format + strings if they only occur in some branches of a conditional + expression. + +2000-10-16 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c: Remove obstack. Include ggc.h. + +2000-10-16 Jakub Jelinek <jakub@redhat.com> + + * rtlanal.c (may_trap_p): Check operand modes of COMPARE. + +2000-10-15 Diego Novillo <dnovillo@cygnus.com> + + * i386.md (*movsi_or): Switch operand order for intel syntax. + +2000-10-14 Joseph S. Myers <jsm28@cam.ac.uk> + + * PROBLEMS: Remove. + + * gcc.texi (Contributing): Update. + +2000-10-13 Diego Novillo <dnovillo@cygnus.com> + + * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Output final jump using + appropriate assembler dialect. + +2000-10-13 Alexandre Oliva <aoliva@redhat.com> + + * c-common.c (c_expand_builtin): PARAMS-ize prototype. + +2000-10-12 Marek Michalkiewicz <marekm@linux.org.pl> + + * config/avr/avr.c (output_movhi, output_movsisf): Fix loading + constants 1 and 2 to NO_LD_REGS. + +2000-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (c-parse.c, tradcif.c): Create atomically. + + * objc/Make-lang.in (objc-parse.c): Likewise. + +2000-10-13 Richard Earnshaw <rearnsha@arm.com> + + * arm.c: Include obstack.h + (minipool_obstack, minipool_startobj): Define. + (arm_add_gc_roots): Initialize them. + (create_fix_barrier): Use our new obstack. + (push_minipool_barrier, push_minipool_fix): Likewise. + (arm_reorg): Release obstack memory. + +2000-10-13 Jakub Jelinek <jakub@redhat.com> + + * config/sparc/sparc.md (nonlocal_goto_receiver): Remove. + (prologue, exception_receiver, builtin_setjmp_receiver): New + patterns. + * config/sparc/sparc.h (FINALIZE_PIC): Remove. + * config/sparc/sparc-protos.h (finalize_pic): Remove. + (load_pic_register): New prototype. + * config/sparc/sparc.c (pic_setup_code): Remove. + (finalize_pic): Rename to... + (load_pic_register): ...this function. + Don't look for nonlocal_goto_receivers and emit pic setup code + directly. Don't check current_function_uses_pic_offset_table. + +2000-10-13 Richard Earnshaw <rearnsha@arm.com> + + * tree.h (struct obstack): Declare. + +2000-10-12 Mark Mitchell <mark@codesourcery.com> + + Remove obstacks. + * Makefile.in (ggc-callbacks.o): Remove target. + (flow.o): Depend on GGC_H. + * alias.c (init_alias_analysis): + Remove ggc_p conditionals. + (end_alias_analysis): Likewise. + * basic-block.h (init_flow): New function. + (allocate_reg_life_data): Declare. + * bb-reorder.c (function_obstack): Replace with ... + (flow_obstack): ... new variable. + (fixup_reorder_chain): Use it. + * c-decl.c (ggc_p): Remove. + (caller-save.c): Don't call oballoc/obfree. + * combine.c (struct + undobuf): Remove storage. + (try_combine): Don't call oballoc. + (undo_all): Don't call obfree. + * cse.c (insert): Use xmalloc, not + oballoc. + (cse_main): Adjust accordingly. + * dwarf2out.c (save_rtx): Remove + obstack code. + (dwarf2out_init): Remove ggc_p conditionals. + * emit-rtl.c (rtl_obstack): Remove. + (gen_rtx_CONST_INT): Remove ggc_p conditionals. + (make_insn_raw): Likewise. + (emit_insn_before): Likewise. + (emit_insn_after): Likewise. + (emit_insn): Likewise. + (gen_sequence): Likewise. + (copy_insn_1): Remove handling of `b' RTL components. + (init_emit_once): Remove ggc_p conditionals. + * except.c (create_rethrow_ref): Don't fool with obstacks. + (add_partial_entry): Likewise. + (call_get_eh_context): Likewise. + (begin_protect_partials): Likewise. + (protect_with_terminate): Likewise. + * explow.c + (plus_constant_wide): Likewise. + * expr.c (init_expr_once): + Likewise. + (emit_block_move): Likewise. + (clear_storage): Likewise. + (expand_expr): Likewise. + * flow.c (function_obstack): Remove. + (flow_obstack): New variable. + (flow_firstobj): Likewise. + (create_base_block): Use the flow_obstack. + (split_block): Likewise. + (split_edge): Likewise. + (calculate_global_regs_live): Likewise. + (allocate_bb_life_data): Make it static. Likewiwse. + (init_flow): New function. + (size_int_type_wide): Remove ggc_p conditionals. + * function.c + (push_function_context_to): Don't call save_tree_status. + (pop_function_context_from): Or restore_tree_status. + (assign_stack_local_1): Don't call push_obstacks. + (find_fixup_replacement): Use xmalloc. + (fixup_var_refs_insns): Free the storage. + (insns_for_mem_walk): Don't mess with obstacks. + (instantiate_decls): Likewise. + (trampoline_address): Likewise. + (expand_function_end): Likewise. + * function.h (sturct function): + Remove obstack-related variables. + (save_tree_status): Don't declare. + (restore_tree_status): Likewise. + * gcse.c (compute_can_copy): + Don't call oballoc/obfree. + * genattrtab.c (operate_exp): Remove + ggc_p conditionals. + (simplify_cond): Likewise. + (simplify_test_exp): Don't mess with obstacks. + (optimize_attrs): Likewise. + * gengenrtl.c (gendef): Don't include + ggc_p conditionals. + * ggc-callbacks.c (ggc_p): Remove. + * ggc-none.c (ggc_p): Remove. + * ggc.h (ggc_p): Don't declare. + * integrate.c (save_for_inline): Don't mess with obstacks. + (integrate_decl_tree): Likewise. + (output_inline_function): Likewise. + * lists.c + (init_EXPR_INSN_LIST_cache): Likewise. + * loop.c (temp_obstack): + Remove. + (rtl_obstack): Likewise. + (init_loop): Don't mess with obstacks. + (reg_address_cost): Free BIVs and GIVs. + (check_insns_for_bivs): Use xmalloc, not oballoc. + (find_mem_givs): Likewise. + (record_biv): Likewise. + (general_induction_var): Likewise. + (product_cheap_p): Likewse. + * optabs.c (init_one_libfunc): Remove + ggc_p conditional. + * print-tree.c (debug_tree): Don't use + oballoc/obfree. + (print_node): Likewise. + * profile.c (output_func_start_profiler): + Remove call to temporary_allocation. + * reload1.c + (eliminate_regs_in_insn): Don't mess with obstacks. + * resource.c + (mark_target_live_regs): Use xmalloc. + (free_resource_info): Free the memory. + * rtl.c (rtl_obstack): + Remove. + (rtvec_alloc): Don't mess with obstacks. + (rtx_alloc): Likewise. + (rtx_free): Remove. + (copy_rtx): Don't handle `b' cases. + (read_rtx): Use a local rtl_obstack. + * rtl.h (oballoc): Remove. + (obfree): Likewise. + (pop_obstacks): Likewise. + (push_obstacks): Likewise. + (allocate_bb_life_data): Likewise. + (allocate_reg_life_data): Likewise. + (rtx_free): Likewise. + * sdbout.c (sdbout_queue_anonymous_type): + Use tree_cons, not saveable_tree_cons. + * simplify-rtx.c + (cselib_init): Don't mess with obstacks. + * stmt.c + (mark_block_nesting): Mark the label_chain. + (epxand_label): Use ggc_alloc, not oballoc. + (clear_last_expr): Don't mess with obstacks. + (expand_decl_cleanup): Likewise. + (expand_dcc_cleanup): Likewise. + (expand_dhc_cleanup): Likewise. + (expand_anon_union_decl): Likewise. + (add_case_node): Use xmalloc, not oballoc. + (free_case_nodes): New function. + (expand_end_case): Call it. + * stor-layout.c (layout_type): Don't + mess with obstacks. + (layout_type): Likewise. + * toplev.c (wrapup_global_declarations): + Likewise. + (compile_file): Remove ggc_p conditionals. + (rest_of_compilation): Call init_flow. Remove ggc_p conditionals. + (decode_f_option): Remove ggc_p conditionals. + * tree.c + (function_maybepermanent_obstack): Remove. + (maybepermanent_obstack): Likewise. + (function_obstack): Likewise. + (tmeporary_obstack): Likewise. + (momentary_obstack): Likewise. + (temp_decl_obstack): Likewise. + (saveable_obstack): Likewise. + (rtl_obstack): Likewise. + (current_obstack): Likewise. + (expression_obstack): Likewise. + (struct obstack_stack): Likewise. + (obstack_stack): Likewise. + (obstack_stack_obstack): Likewise. + (maybepermanent_firstobj): Likewise. + (temporary_firstobj): Likewise. + (momentary_firstobj): Likewise. + (temp_decl_firstobj): Likewise. + (momentary_function_firstobj): Likewise. + (all_types_permanent): Likewise. + (struct momentary_level): Likewise. + (momentary_stack): Likewise. + (init_obstacks): Remove initialization of removed obstacks. + (save_tree_status): Remove. + (restore_tree_status): Likewise. + (temporary_allocation): Liekwise. + (end_temporary_allocation): Liekwise. + (resume_temporary_allocation): Likewise. + (saveable_allocation): Likewise. + (push_obstacks): Likewise. + (push_obstacks_nochange): Likewise. + (pop_obstacks): Likewise. + (allocation_temporary_p): Likewise. + (permanent_allocation): Likewise. + (preserve_data): Likewise. + (preserve_initializer): Likewise. + (rtl_in_current_obstack): Likewise. + (rtl_in_saveable_obstack): Likewise. + (oballoc): Likewise. + (obfree): Likewise. + (savealloc): Likewise. + (expralloc): Likewise. + (print_obstack_name): Likewise. + (debug_obstack): Likewise. + (object_permanent_p): Likewise. + (push_momentary): Likewise. + (perserve_momentary): Likewise. + (clear_momentary): Likewise. + (pop_momentary): Likewise. + (pop_momentary_nofree): Likewise. + (suspend_momentary): Likewise. + (resume_momentary): Likewise. + (make_node): Don't set TREE_PERMANENT. + (copy_node): Remove ggc_p conditionals. Don't set TYPE_OBSTACK. + Don't set TREE_PERMANENT. + (get_identifier): Remove ggc_p conditionals. + (build_string): Likewise. + (make_tree_vec): Likewise. + (build_decl_list): Remove. + (build_expr_list): Likewise. + (tree_cons): Remove ggc_p conditionals. + (decl_tree_cons): Remove. + (expr_tree_cons): Likewise. + (perm_tree_cons): Likewise. + (temp_tree_cons): Likewise. + (saveable_tree_cons): Likewise. + (build1): Remove ggc_p conditionals. + (build_parse_node): Likewise. + (build_type_attribute_variant): Don't mess with obstacks. + (build_type_copy): Likewise. + (type_hash_canon): Likewise. + (build_pointer_type): Likewise. + (build_reference_type): Likewise. + (build_index_type): Likewise. + (build_range_type): Likewise. + (dump_tree_statistics): Don't print obstack information. + * tree.h + (struct tree_common): Remove permanent_flag. + (TREE_PERMANENT): Remove. + (TREE_SET_PERMANENT): Likewise. + (TYPE_OBSTACK): Likewise. + (struct tree_type): Remove obstack. + (oballoc): Remove. + (savealloc): Likewise. + (build_decl_list): Likewise. + (build_expr_list): Likewise. + (perm_tree_cons): Likewise. + (temp_tree_cons): Likewise. + (saveable_tree_cons): Likewise. + (decl_tree_cons): Likewise. + (expr_tree_cons): Likewise. + (suspend_momentary): Likewise. + (allocation_temporary_p): Likewise. + (resume_momentary): Likewise. + (push_obstacks_nochange): Likewise. + (permanent_allocation): Likewise. + (push_momentary): Likewise. + (clear_momentary): Likewise. + (pop_momentary): Likewise. + (end_temporary_allocation): Likewise. + (pop_obstacks): Likewise. + (push_obstacks): Likewise. + (pop_momentary_nofree): LIkewise. + (preserve_momentary): Likewise. + (saveable_allocation): Likewise. + (temporary_allocation): Likewise. + (resume_temporary_allocation): Likewise. + (perserve_initializer): Likewise. + (debug_obstack): Likewise. + (rtl_in_current_obstack): Likewise. + (rtl_in_saveable_obstack): Likewise. + (obfree): Likewise. + * varasm.c (current_obstack): Remove. + (saveable_obstack): Remove. + (rtl_obstack): Remove. + (immed_double_const): Don't mess with obstacks. + (immed_real_cons): Likewise. + (output_constant_def): Likewise. + (init_varasm_status): Use xcalloc. + (mark_pool_constant): Mark the pool constant itself. + (free_varasm_status): Free memory. + (decode_rtx_const): Call bzero directly, rather than expanding it + inline. + (record_rtx_const): Don't mess with obstacks. + (force_const_mem): Likewise. + * config/arm/arm.c (arm_encode_call_attribute): Remove ggc_p + conditionals. + (aof_pic_entry): Likewise. + * config/ia64/ia64.c (ia64_encode_section_info): Likewise. + * config/m32r/m32r.c (m32r_encode_section_info): Likewise. + * config/pa/pa.c (saveable_obstack): Remove. + (rtl_obstack): Likewise. + (current_obstack): Likewise. + (output_call): Don't mess with obstacks. + (hppa_encode_label): Remove ggc_p conditionals. + * config/romp/romp.c (get_symref): Don't mess with obstacks. + * config/rs6000/rs6000.c (output_toc): Remove ggc_p conditional. + (rs6000_encode_section_info): Likewise. + * config/sh/sh.c (get_fpscr_rtx): Likewise. + +Thu Oct 12 16:02:31 MET DST 2000 Jan Hubicka <jh@suse.cz> + + * i386.md (adddi3, subdi3 splitters): Update for new pattern. + (addsi3_cc, addqi3_cc, subsi3_cc): Remove + (addsi3_carry): Canonicalize. + (addqi_5): Remove '*'. + (sbb pattern): Canonicalize. + + * i386.md (cmp to inc/add peep2): New. + +2000-10-12 Richard Earnshaw <rearnsha@arm.com> + + * bb-reorder.c (reorder_basic_blocks): Allocate an aux block for + the exit block. + +2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk> + + * gcc.texi: Merge in contents of README.TRAD and TESTS.FLUNK. + * README.TRAD, TESTS.FLUNK: Remove. + +2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (decl_attributes): Don't allow strftime formats with + first_arg_num nonzero. + (check_format_info): Set wanted_type and wanted_type_name to zero + before they are possibly assigned and used. + +2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (scanf_flag_specs): Add flags ' and I. + (strftime_flag_pairs): Disallow any pair of the _, - and 0 flags, + or the ^ and # flags together. + (scan_char_table): Handle the ' and I flags. + (format_types): Add ' and I flags for scanf. + +2000-10-12 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (print_char_table): Use the unpromoted type for + lengths "h" and "hh" with conversions dioxXu. + (check_format_types): Apply the default argument promotions where + the wanted type is not a pointer target. + +2000-10-11 Michael Meeks <mmeeks@gnu.org> + Joseph S. Myers <jsm28@cam.ac.uk> + + * c-typeck.c (check_modify_expr): New function. + (build_modify_expr): Call it if warn_sequence_point. + * c-decl.c (warn_sequence_point): New variable. + (c_decode_option): Handle -Wsequence-point and + -Wno-sequence-point. Enable -Wsequence-point as part of -Wall. + * c-tree.h (warn_sequence_point): Declare. + * invoke.texi (-Wsequence-point): Document. + * toplev.c (documented_lang_options): Add -Wsequence-point and + -Wno-sequence-point. + Original work by Michael Meeks, 16 Jun 1998. + +Wed Oct 11 06:15:41 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * tree.c (get_narrower): Don't look at precision of field if + not laid out yet. + +Tue Oct 10 23:14:33 2000 Denis Chertykov <denisc@overta.ru> + + * config/avr/avr.c (valid_machine_decl_attribute): Allow `extern' + declaration for data with "progmem" attribute. + +2000-10-09 Marek Michalkiewicz <marekm@linux.org.pl> + + * config/avr/avr.c (out_shift_with_cnt): Use AS2 macro. + Correct insn length if shift count is a memory operand. + * config/avr/avr.md: New define_peephole2 to use *reload_inqi. + (*iorhi3_clobber): Change lo8 to hi8. + (zero_extendhisi2): Change %B0 to %A1. + (ashlhi3, ashrhi3): Correct insn length. + (andhi3, abssf2, extendqisi2, extendhisi2): Change "cc" + from "clobber" to "set_n" in some alternatives. + +2000-10-10 Jakub Jelinek <jakub@redhat.com> + + * reload1.c (calculate_needs_all_insns): If deleting an instruction, + remove its insn_chain structure as well. + +2000-10-09 J. David Anglin <dave@hiauly1.hia.nrc.ca> + + * dbxout.c (dbxout_source_line): Remove extra tab. + +2000-10-09 Hans-Peter Nilsson <hp@bitrange.com> + + * config/elfos.h (UNIQUE_SECTION): Apply STRIP_NAME_ENCODING on name. + +2000-10-09 Richard Henderson <rth@cygnus.com> + + * Makefile.in (LANG_LIB2FUNCS): Remove. + (LIB2FUNCS): Remove _pure. + (LIB2ADD): Remove LANG_LIB2FUNCS. + (stage_a): Don't set LANG_LIB2FUNCS. + * libgcc2.c (__terminate): Mark noreturn. + (__pure_virtual): Remove. + * mklibgcc.in: Remove LIB2ADD .txt processing. + +2000-10-09 Richard Earnshaw <rearnsha@arm.com> + + * arm.md (push_multi): Revert unintended change. + +2000-10-09 Richard Earnshaw <rearnsha@arm.com> + + * arm.c: Miscellaneous white space and comment clean-ups. No + functional change. + * arm.md: Likewise. + +2000-10-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-common.c (c_expand_builtin_printf): Set the TREE_TYPE of a new + STRING_CST by calling combine_strings. + +2000-10-09 Richard Earnshaw <rearnsha@arm.com> + + * arm.c (thumb_expand_movstrqi): Rewrite to support SSA form. + (thumb_output_move_mem_multiple): Support new insn format. + * arm.md (movmem12b): Use SSA compatible format. + (movmem8b): Likewise. + +2000-10-09 Richard Earnshaw <rearnsha@arm.com> + + * arm.md (predicable): New attribute, default to "no". + (all patterns): Mark as predicable if appropriate. + (conditional execution splits): Split using predication format. + (define_cond_exec): Define. + * arm.c (arm_print_operand): handle insn predicate. + +2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * README.NS32K: Remove file. + +2000-10-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * README-bugs: Remove file. + +2000-10-08 Philipp Thomas <pthomas@suse.de> + * aclocal.m4 (AM_GNU_GETTEXT): Fix non portable use of == operator + for test. + * configure: Rebuilt. + +2000-10-08 Philipp Thomas <pthomas@suse.de> + * aclocal.m4 (AM_WITH_NLS): When not using included gettext, + disable catalog building if no suitable program was found. + Move warning message from here + (AM_GNU_GETTEXT): To here. + * configure: Rebuilt. + +2000-10-08 Philipp Thomas <pthomas@suse.de> + * aclocal.m4 (GCC_PATH_PROG): New. Like AC_PATH_PROG but uses + different cache variables. + (GCC_PATH_PROG_WITH_TEST): New. Like AM_PATH_PROG_WITH_TEST but + uses different cache variables. + (AM_WITH_NLS): Use GCC_PATH_PROG and GCC_PATH_PROG_WITH_TEST. + * configure: Regenerated. + +2000-10-08 Richard Henderson <rth@cygnus.com> + + * Makefile.in (libgcc.mk): Pass SHLIB_EXT, not SHLIB_LIBS. + * configure.in (sparc*-*-solaris*): Use t-slibgcc{,-sld}. + * mklibgcc.in: Consider SHLIB_LINK the entire shlib build command. + Use SHLIB_EXT. + + * config/t-linux (SHLIB_EXT): New. + (SHLIB_LINK): Use the entire build command, with substitutions. + (SHLIB_LIBS): Remove. + * config/alpha/t-osf4: Likewise. + * config/mips/t-iris6: Likewise. + * config/sparc/t-sol2: Likewise, but move shlib stuff... + * config/sparc/t-slibgcc-sld: ...here. + * config/sparc/t-slibgcc: New file. + +2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk> + + * tm.texi (INTMAX_TYPE, UINTMAX_TYPE): Define. + * c-common.h (enum c_tree_index): Add CTI_INTMAX_TYPE and + CTI_UINTMAX_TYPE. + (intmax_type_node, uintmax_type_node): Define. + * c-common.c (decl_attributes): If pedantic, warn if `mode' + attributes create a type wider than intmax_t. + (T_IM, T_UIM): Define properly. + * c-decl.c (INTMAX_TYPE, UINTMAX_TYPE): Define if not already + defined. + (init_decl_processing): Initialize intmax_type_node and + uintmax_type_node. + * c-lex.c (lex_number): When pedantic and warning for integer + constants that are too large, in C99 mode warn for those that have + a type wider than long long. + +2000-10-08 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (FMT_FLAG_ARG_CONVERT, FMT_FLAG_SCANF_A_KLUDGE, + FMT_FLAG_FANCY_PERCENT_OK): Define. + (format_char_info): Add flag "4" to comment. + (format_flag_spec, format_flag_pair): New structures. + (format_kind_info): Add additional fields to control format + checking. + (printf_flag_specs, printf_flag_pairs, scanf_flag_specs, + scanf_flag_pairs, strftime_flag_specs, strftime_flag_pairs): New + arrays. + (time_char_table): Use "4" flag to handle %Ey. + (format_types): Add entries for new fields. + (get_flag_spec): New function. + (check_format_info): Increase size of flag_chars[] to 256. + Control format checking using the new fields of a format_kind_info + and the new tables; remove all conditionals on printf_format_type, + scanf_format_type or strftime_format_type. Handle all details of + bad combinations of flags (including width, precision and strftime + modifiers) through data rather than ad hoc code. Handle all + details of standard versions in which flags appeared through + data. Use the "4" flag. + +2000-10-07 Will Cohen <wcohen@redhat.com>, Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.md: Remove the memory alternative and correct + the insn lengths in the templates for sign extension and zero + extension. + +2000-10-07 Richard Henderson <rth@cygnus.com> + + * calls.c (expand_call): Disallow sibcalls to noreturn functions. + * flow.c (make_edges): Revert last change. + + * config/alpha/alpha.h (FUNCTION_OK_FOR_SIBCALL): Don't test + TREE_THIS_VOLATILE. + * config/pa/pa.h (FUNCTION_OK_FOR_SIBCALL): Likewise. + +2000-10-06 David O'Brien <obrien@dragon.nuxi.com> + + * config/alpha/elf.h: Standardize the formatting. + +2000-10-06 David O'Brien <obrien@FreeBSD.org> + + * config/alpha/elf.h: Protect the ASM_OUTPUT_IDENT definition with an + #undef. + +2000-10-06 Richard Henderson <rth@cygnus.com> + + * function.c (diddle_return_value): Examine + current_function_return_rtx instead of the DECL_RESULT. + (expand_function_end): Handle reloading DECL_RESULT from memory + into a hard register. Query promote_mode for sign of mismatched + modes. + +2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com> + + * haifa-sched.c (schedule_insns): Fix typo in freeing + forward_dependency_cache. + +2000-10-06 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): Add + `TARGET_SH2' as a condition. + +2000-10-06 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com> + + * haifa-sched.c (anti_dependency_cache, output_dependency_cache, + forward_dependency_cache): New variables. + (add_dependence, remove_dependence): Use anti_dependency_cache and + output_dependency_cache. + (compute_block_forward_dependences): Use forward_dependency_cache. + (schedule_insns): Allocate and free memory for anti/output/forward + dependencies caches. + +2000-10-06 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.md (call, call_value): Use `TARGET_SH2' instead of + `! TARGET_SH1'. Reindent. + +2000-10-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (is_valid_printf_arglist, expand_builtin_printf): + Move functions from here ... + + * c-common.c (is_valid_printf_arglist, c_expand_builtin_printf): + ... to here. + (c_expand_builtin): New function. + (init_function_format_info): Don't set `check_function_format_ptr'. + (c_common_nodes_and_builtins): Set built_in_class type for + printf/__builtin_printf to BUILT_IN_FRONTEND. + (c_expand_expr): Handle CALL_EXPRs that are front-end builtins. + + * c-common.h (build_function_call): Declare. + + * expr.c (expand_expr): Pass builtins with class BUILT_IN_FRONTEND + to `lang_expand_expr' rather than `expand_builtin'. + + * tree.c (check_function_format_ptr): Delete. + + * tree.h (check_function_format_ptr): Likewise. + +2000-10-06 Hans-Peter Nilsson <hp@bitrange.com> + + * dwarf2out.c (build_cfa_loc): Correct to use DW_OP_regx or + DW_OP_bregx when cfa->reg > 31. + + * frame-dwarf2.c (decode_stack_op) [case DW_OP_regx]: Add missing + break. + +2000-10-05 Richard Henderson <rth@cygnus.com> + + * c-decl.c (warn_missing_noreturn): Remove. + (c_expand_body): Don't set or check can_reach_end. + * c-tree.h (warn_missing_noreturn): Move ... + * flags.h: ... here. + (can_reach_end): Remove. + * flow.c (check_function_return_warnings): New. + (make_edges): No edge to exit for noreturn sibcalls. + * function.c (expand_function_end): Save the return value + clobber instruction. + (mark_function_status): Mark it. + * function.h (struct function): Add x_clobber_return_insn. + * jump.c (can_reach_end): Remove. + (calculate_can_reach_end): Remove. + (jump_optimize_1): Don't call it. + * output.h (check_function_return_warnings): Declare. + * toplev.c (warn_missing_noreturn): Move from c-decl.c + (rest_of_compilation): Call check_function_return_warnings. + +2000-10-05 Richard Henderson <rth@cygnus.com> + + * Makefile.in (NM_FOR_TARGET): New. + (libgcc.mk): Pass SHLIB_MKMAP, SHLIB_MAPFILES. + (libgcc.a, stmp-multilib): Pass NM_FOR_TARGET. + * mklibgcc.in: If SHLIB_MKMAP, build libgcc.map. Depend the + shared library build on that and EXTRA_MULTILIB_PARTS. + * mkmap-flat.awk: New file. + * mkmap-symver.awk: New file. + * libgcc-std.ver: New file. + * config/libgcc-glibc.ver: New file. + * config/ia64/libgcc-ia64.ver: New file. + * config/t-linux (SHLIB_MKMAP, SHLIB_MAPFILES): New. + (SHLIB_LINK): Add --version-script. + * config/ia64/t-ia64 (SHLIB_MAPFILES): Add libgcc-ia64.ver. + * config/mips/t-iris6 (SHLIB_MKMAP, SHLIB_MAPFILES): New. + * config/sparc/t-sol2 (SHLIB_MKMAP, SHLIB_MAPFILES): New. + (SHLIB_LINK): Add -M. + +2000-10-05 Richard Henderson <rth@cygnus.com> + + * Makefile.in (LIB2FUNCS): Add _clz. + * libgcc2.c (__ffsdi2): Use count_trailing_zeros. + (__clz_tab): Put in its own unit, non-static. + * libgcc2.h: Always include longlong.h. + + * longlong.h [alpha] (count_leading_zeros): Use cmpbge with + a zero instead of -1. + (count_trailing_zeros): Likewise. + +2000-10-05 Richard Henderson <rth@cygnus.com> + + * config/alpha/alpha.c (alpha_emit_setcc): Don't swap GT tests + when second op1 is const0_rtx. Validate op0 as a register. + * config/alpha/alpha.md (setcc_internal): Don't allow constants + in the first argument of the compare. + (setcc_swapped_internal): Likewise. + (setne_internal): Likewise. + +2000-10-05 Geoff Keating <geoffk@cygnus.com> + + * tree.c (tree_size): New function split out of copy_node. + (make_node): Remove obstack handling. Use tree_size. + (copy_node): Use tree_size. + * tree.h: Prototype tree_size. + +2000-10-05 Richard Henderson <rth@cygnus.com> + + * diagnostic.c (output_format): Add missing break. + +2000-10-05 Jim Wilson <wilson@cygnus.com> + + * function.c (fixup_var_refs_1, case SET): When gen_move_insn returns a + SEQUENCE, call emit_insn_before, copy PATTERN and REG_NOTES of last + sequence insn to INSN, and delete last sequence insn. + +2000-10-05 Phil Edwards <pme@gcc.gnu.org> + + * gcc.c (main): Include generated configargs.h header + and use arguments in '-v' output. + +Thu Oct 5 16:16:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * gcc.c: Move data on prefixes forward in file and reorganize. + (md_exec_prefix, md_startfile_prefix, md_startfile_prefix_1): + Always define, but make null if no value. + (static_specs): Add "md_exec_prefix", "md_startfile_prefix", + and "md_startfile_prefix_1". + (main): Check whether md_exec_prefix and the others are the + null string rather than whether the macro is defined. + +Thu Oct 5 19:04:18 2000 J"orn Rennecke <amylaar@redhat.co.uk> + + * (convert_move): Use zero_extendpsisi2 to do an unsigned extension + from PSImode to SImode. + +2000-10-05 Jakub Jelinek <jakub@redhat.com> + + * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETICS]: Fix conversion + from float to integral mode with HOST_BITS_PER_WIDE_INT 64. + * dwarf2out.c (add_const_value_attribute): Divide by 4, not + sizeof(long). + +Thu Oct 5 09:31:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * fold-const.c (fold, case MINUS_EXPR, case EQ_EXPR): Perform + negation in proper type.a + +2000-10-04 Richard Henderson <rth@cygnus.com> + + * configure.in (enable-shared): New. + * Makefile.in (LIBGCC_DEPS): Depend on EXTRA_PARTS as well. + (libgcc.mk): Pass SHLIB_LINK, SHLIB_LIBS, SHLIB_MULTILIB to mklibgcc. + * mklibgcc.in: Use them to link shared a libgcc. + * config/t-linux (SHLIB_LINK, SHLIB_LIBS): New. + * config/alpha/t-ieee (SHLIB_MULTILIB): New. + * config/mips/t-iris6 (SHLIB_LINK, SHLIB_LIBS): New. + * config/sparc/t-sol2 (SHLIB_LINK, SHLIB_LIBS): New. + + * configure.in (alpha-osf*): Use t-osf and x-osf. + * config/alpha/t-osf: New file. + * config/alpha/t-osf4: New file. + * config/alpha/x-osf: New file. + * config/alpha/x-alpha: Remove file. + +2000-10-04 Will Cohen <wcohen@redhat.com> + + * c-typeck.c (process_init_element): Added warning for zero-length + array. + + * extend.texi (Zero Length): State that static initializers for + zero-length arrays are not allowed. + +Mon Oct 2 14:50:14 MET DST 2000 Jan Hubicka <jh@suse.cz> + + * rtlanal.c (single_set_1): Do not require USE and CLOBBERs + to come last. + +2000-10-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/float-c4x.h: New. + * configure.in (c4x-*): Set float_format to c4x. + * configure: Regenerate. + +2000-10-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * configure.in (sparc-*-solaris2*): Disable 32-to-64 cross + compilation for solaris versions 2.7 and greater. + +2000-10-02 Marc Espie <espie@openbsd.org> + + * config/alpha.h (WORD_SWITCH_TAKES_ARG): add -rpath to default, + instead of redefining from scratch. + +2000-10-02 David O'Brien <obrien@dragon.nuxi.com> + + * config/i386/freebsd.h (NO_PROFILE_COUNTERS): Define. + +2000-10-01 Mark Mitchell <mark@codesourcery.com> + + * config/ns32k/genix.h: Remove. + * config/ns32k/x-genix: Likewise. + * config/ns32k/xm-genix.h: Likewise. + * config/fx80: Remove all filee in directory. + * config/pyr: Likewise. + * config/tahoe: Likewise. + * config/gmicro: Likewise. + * config/spur: Likewise. + * configure.in: Remove configury bits for above targets. + * configure: Regenerated. + + * configure.in: Don't configure chill by default. + * configure: Regenerated. + + * c-decl.c (c_expand_body): Don't generate RTL if flag_syntax_only. + (lang_mark_false_label_stack): Remove. + * c-lex.c (init_c_lex): Add file_info_tree as GC root. Allocate + <top level> string in GC area. + (mark_splay_tree_node): New function. + (mark_splay_tree): Likewise. + * except.c (mark_eh_status): Only call lang_mark_false_label_stack + if it exists. + * ggc-callbacks.c (lang_mark_false_label_stack): Remove. + * ggc-common.c (lang_mark_false_label_stack): Change type. + * ggc.h (ggc_alloc_string): Add comment. + (ggc_strdup): New function. + +Sat Sep 23 19:10:20 2000 Denis Chertykov <denisc@overta.ru> + + * config/avr/avr.h (BRANCH_COST): Define as 0. + + * config/pdp11/pdp11.c: #include "tree.h" added. + +2000-09-30 Marek Michalkiewicz <marekm@linux.org.pl> + + * config/avr/avr.c (ashlhi3_out, ashlsi3_out, ashrhi3_out, + ashrsi3_out, lshrhi3_out, lshrsi3_out): Optimize more cases + with known shift count. + * config/avr/avr.md (ashlsi3, ashrsi3, lshrsi3): + New alternative for shift count 2 with no scratch register. + (ashlhi3, ashlsi3): Change "cc" attribute from "clobber" to + "set_n" for shift counts 1 and 2. + +2000-09-30 Geoff Keating <geoffk@cygnus.com> + + * config/rs6000/rs6000.md (movsi_to_cr): Remove the USE. Calculate + the mask value from the individual SET operations. + (return_internal_si): Move the USE after the RETURN. + (return_internal_di): Likewise. + (return_and_restore_fpregs_si): Likewise. + (return_and_restore_fpregs_di): Likewise. + (return_eh_si): Likewise. + (return_eh_di): Likewise. + * config/rs6000/rs6000.c (mtcrf_operation): Don't look for, + or check, the USE. + (rs6000_emit_prologue): Don't emit the USE for movsi_to_cr. + Don't generate a PARALLEL around a single operation movsi_to_cr. + Generate the RETURN first in any PARALLELs. + + * rtlanal.c (single_set_1): Use fatal_insn to display the + invalid insn. Check for more cases when a USE or CLOBBER occurs + before a SET. + * Makefile.in: Update dependencies for rtlanal.o. + +2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk> + + * i386.c: Move include of "config.h" to before that of <setjmp.h>. + +2000-09-30 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-tree.texi, contrib.texi, gcc.texi, install.texi, invoke.texi: + Consistently use @email for formatting email addresses. + +2000-09-29 Richard Henderson <rth@cygnus.com> + + * cse.c (notreg_cost): New argument outer. + (COST): Pass in SET to notreg_cost + (COST_IN): New. + (fold_rtx): Use COST_IN. Prefer constants when costs + are the same. + +2000-09-29 David Edelsohn <edelsohn@gnu.org> + + * fixinc/inclhack.def (broken_cabs): Generalize regex. + * fixinc/fixincl.x: Regenerate. + +2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * loop.c (check_final_value): A GIV is not replaceable if used + before set. + +Fri Sep 29 10:04:12 2000 Jeffrey A Law (law@cygnus.com) + + * version.c: Bump to gcc-2.97. + +Frs Sep 29 13:37:59 MET DST 2000 Jan Hubicka <jh@suse.cz> + + * final.c (final_scan_insn): Remove extra extract_insn call; + Use caching for constrain_operands. + (cleanup_subreg_operands): Use caching for extract_insn. + * recog.c (constrain_operands_cached): New. + * recog.h (constrain_operands_cached): Declare. + * i386.c (ix86_attr_length_immediate_default, + ix86_attr_length_address_default, ix86_agi_dependant): Cache + extract_insn call. + + * recog.c (asm_noperands): Tweak. + (extract_insn): Do not call asm_noperads for non-asm instructions. + +Fri Sep 29 13:20:42 MET DST 2000 Jan Hubicka <jh@suse.cz> + + * recog.c (recog_memoized): Rename to recog_memoized_1. + * recog.h (recog_memoized): Rename to recog_memoized_1. + (recog_memoized): New macro. + * rtl.h (single_set): Rename to single_set_1 + (single_set): New macro. + * rtlanal.c (single_set): Rename to single_set_1; expect clobbers + to be last. + + * i386.md (strmovsi_1, strmovhi_1 strmovqi_1): + Do not use match_dup of input operands at outputs. + Use register_operand for memory expression. + (rep_movsi): Put use last, canonicalize. + Use register_operand for memory expression. + (rep_movqi): Put use last. + Use register_operand for memory expression. + (strsetsi_1, strset_hi_1, strsetqi_1): Do not use match_dup + of input operands at outputs. Use register_operand for memory + expression. + (rep_stossi): Put use last; canonicalize; fix match_dup in + the address expression + (rep_stosqi): Likewise. + (memcmp expander): Update calls. + (cmpstrsi_nz_1, cmpstrsi_1, strlensi_1): Avoid match_dups in + the clobbers. + + * i386.md (fp_jcc_3, fp_jcc_4, jp_fcc_5): if_then_else operand is + VOIDmode. + (fp_jcc_4, fp_jcc_3): Refuse unordered comparisons. + +2000-09-28 David O'Brien <obrien@FreeBSD.org> + + * config/i386/freebsd-aout.h: New, FreeBSD a.out config file. + Contains the old contents of config/i386/freebsd.h + * config/i386/freebsd.h: Now the ELF rather than a.out config file. + Contains the old contents of config/i386/freebsd-elf.h + * config/i386/freebsd-elf.h: Retire this file -- contents moved to + config/i386/freebsd.h. + * configure.in: Adjust for above changes. + * po/POTFILES.in: Likewise. + * po/en_GB.po: Likewise. + * po/gcc.pot: Likewise. + * configure: Rebuilt. + +2000-09-28 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * doloop.c (doloop_modify): Prevent delete_insn() from + deleting too much. Prefer loop->top over loop->start as + target for the new JUMP insn. + (doloop_valid_p): Ignore loop with exit_count != 0. + +2000-09-28 Philipp Thomas <pthomas@suse.de> + + * invoke.texi (i386 Options): Add athlon to table of possible + choices for -mcpu=. + +2000-09-28 Gabriel Dos Reis <gdr@codesourcery.com> + + * diagnostic.h (output_clear_message_text): New function. + (output_message_text): New macro. + + * diagnostic.c (clear_text_info): Rename to + output_clear_message_text. + (output_clear): Adjust. + (output_finish): Rename to output_finalize_message. Tweek. + (output_to_stream): Adjust. + +2000-09-28 Neil Booth <neilb@earthling.net> + + * cpperror.c (_cpp_begin_message): Do the test for suppression + of warnings and pedantic warnings before the "is a warning an + error" tests. + * cppinit.c (cpp_handle_option): Remove surplus \n. + * cpplex.c (ON_REST_ARG): Delete. + (skip_block_comment): Initialise prevc. + (parse_args): Improve error messages. + (maybe_paste_with_next): Use CONTEXT_VARARGS rather + than ON_REST_ARG. + * cpplib.c (cpp_push_buffer): Fix grammar in message. + * cppmain.c (main): Set callbacks for #ident and #pragma + only if no_output option is false. + (do_pragma_implementation): Only call the #pragma handler + if it is set in the cpp_reader structure. + +Wed Sep 27 14:00:07 2000 Donald Lindsay <dlindsay@cygnus.com> + + * integrate.c (copy_insn_list): if an ignored return value + is being clobbered, skip cloning that into the inline copy. + +2000-09-27 Joseph S. Myers <jsm28@cam.ac.uk> + + * extend.texi, invoke.texi, gcc.texi, install.texi: Consistently + use @uref for formatting URLs. + +2000-09-27 Mark Elbrecht <snowball3@bigfoot.com> + + * config/i386/djgpp.h (UNIQUE_SECTION): Constify the variables + name and prefix. + +Tue 26-Sep-2000 18:25:38 BST Neil Booth <neilb@earthling.net> + + * gcc.c (cpp_options): Add spec for -ftabstop=. + (invoke_as): New spec that handles invoking as. + Update specs to handle -save-temps and -traditional. + * ch/lang-specs.h, f/lang-specs.h, java/lang-specs.h: + Use invoke_as. + * cp/lang-specs.h, objc/lang-specs.h: Update to use + invoke_as, and handle -save-temps and -traditional (if + appropriate). + +2000-09-26 Jakub Jelinek <jakub@redhat.com> + + * config/sparc/sparc.c (sparc_emit_set_const64): Don't abort when + op0 is a SUBREG. + (function_arg_slotno): Accept TImode/CTImode. + * config/sparc/sparc.h (MIN_UNITS_PER_WORD): If IN_LIBGCC2 define + to UNITS_PER_WORD. + +2000-09-26 Michael Hayes <mhayes@cygnus.com> + + * flow.c (flow_loop_pre_header_scan): Punt if loop enters + from entry block. + +2000-09-25 Jim Wilson <wilson@cygnus.com> + + * config/ia64/ia64.h (INDEX_REG_CLASS): Define to GENERAL_REGS. + (REGNO_OK_FOR_INDEX_P): Define to REGNO_OK_FOR_BASE_P. + (LEGITIMATE_ADDRESS_DISP): Use LEGITIMATE_ADDRESS_REG. + (REG_OK_FOR_INDEX): Define to REG_OK_FOR_BASE_P. + +Tue 26-Sep-2000 00:16:22 BST Neil Booth <neilb@earthling.net> + + * cpplex.c (parse_args): Don't set VOID_REST flag. + (CONTEXT_VARARGS): New flag. + (maybe_paste_with_next): Set context earlier in loop. Use + it. Do varargs test with CONTEXT_VARARGS flag. + (push_arg_context): Set CONTEXT_VARARGS flag if we're + pushing an argument context for a varargs argument. + * cpplib.h (VOID_REST): Delete. + * gcc.dg/cpp/vararg1.c: Add test case. + +2000-09-25 Branko Cibej <branko.cibej@hermes.si> + + * flags.h: Declare warning flag warn_system_headers. + * toplev.c: Define it. + (W_options): Add option -Wsystem-headers. + * diagnostic.c (count_error): Test warn_system_headers. + * invoke.texi: Add description for -Wsystem-headers. + * cpplib.h (cpp_options): New member warn_system_headers. + * cpphash.h (CPP_PEDANTIC, CPP_WTRADITIONAL): Don't test + CPP_IN_SYSTEM_HEADER. + * cpplib.c (do_import, do_pragma_once): Likewise. + * cpperror.c (_cpp_begin_message): Test warn_system_headers + and CPP_IN_SYSTEM_HEADER. + * cppinit.c (handle_option): Recognize -Wsystem_headers. + (print_help): Describe -Wsystem_headers. + * cpplex.c (lex_line): Reorganize condition so that warnings + about C++ comments in system headers can be enabled. Remove + label do_line_comment. + +Mon 25-Sep-2000 23:38:27 BST Neil Booth <neilb@earthling.net> + + * cpplex.c (save_comment): Only store the initial '/' + now. + (lex_token): Combine handling of the two comment types. + Pass everything but the initial '/' to save_comment. + +Mon 25-Sep-2000 23:31:45 BST Neil Booth <neilb@earthling.net> + + * cpphash.h (_cpp_digraph_spellings, _cpp_process_directive, + _cpp_can_paste): New library-internal prototypes. + * cpplex.c (dump_param_spelling, output_line_command, + output_token, cpp_scan_buffer, cpp_scan_buffer_nooutput, + cpp_printf, cpp_output_list): Move to cppoutput.c. + (process_directive, can_paste, digraph_spellings): Add _cpp_ prefix. + * cppmacro.c (dump_macro_args, cpp_dump_definition) Move to + cppoutput.c. + * cppoutput.c (dump_macro_args, cpp_dump_definition, output_token, + dump_param_spelling, output_line_command, cpp_scan_buffer, + cpp_scan_buffer_nooutput, cpp_printf, cpp_output_list): Moved + from elsewhere. + * Makefile.in: Add cppoutput.c. + * po/POTFILES.in: Add cppoutput.c. + +2000-09-25 Richard Henderson <rth@cygnus.com> + + * config/ia64/ia64.c (ia64_print_operand): Define 'e' as 64-n. + * config/ia64/ia64.md (rotrsi3): Allow variable rotates; don't + split until after reload. + (rotlsi3, rotldi3): New. + +2000-09-25 Gabriel Dos Reis <gdr@codesourcery.com> + + * diagnostic.c (output_last_position): Define. + (set_real_maximum_length): Tweek. + * diagnostic.h (output_last_position): Declare. + +2000-09-25 Kazu Hirata <kazu@hxi.com> + + * config/i386/i386.c: Fix formatting. + +2000-09-24 Alan Lehotsky <alehotsky@cygnus.com> + + * emit-rtl-c (gen_lowpart_common): Accept non-paradoxical SUBREG when + UNITS_PER_WORD is small. + +2000-09-25 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (format_char_info): Add flags2; update comments. + (print_char_table, scan_char_table, time_char_table): Split some + flags out into flags2. + (check_format_info): Use flags2 for those flags, for identifying + the initial character of a scanf scanset, and for identifying + printf formats where the '0' flag is ignored with precision. + +2000-09-25 Hans-Peter Nilsson <hp@axis.com> + + Changes below marked "here" add TABs on either or both sides, + covering start of line, up to any operand for all noted .*ASM.*_OP + definitions. All callers changed. + * tm.texi: Make documented *_ASM.*_OP:s include spacing + (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, SHARED_SECTION_ASM_OP, + BSS_SECTION_ASM_OP, SHARED_BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, + ASM_BYTE_OP, FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP, + ASM_STABS_OP, ASM_STABD_OP, ASM_STABN_OP). + Fix typos in description for LONG_LONG_TYPE_SIZE and + FINI_SECTION_ASM_OP. + * crtstuff.c (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Explain + why these defaults don't have leading spacing. + * dbxout.c (ASM_STABS_OP, ASM_STABN_OP): Here. + * dwarf2out.c (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, + UNALIGNED_DOUBLE_INT_ASM_OP, SECTION_ASM_OP, ASM_BYTE_OP): Here. + * dwarfout.c (FILE_ASM_OP, VERSION_ASM_OP, + UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, ASM_BYTE_OP, + PUSHSECTION_ASM_OP, POPSECTION_ASM_OP): Here. + * defaults.h (ASM_STABD_OP, EH_FRAME_SECTION_ASM_OP): Here. + * varasm.c (ASM_STABS_OP): Here. + * xcoffout.h (ASM_STABS_OP): Here. + * config/elfos.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP, + SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP, + INT_ASM_OP, ASCII_DATA_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, + STRING_ASM_OP): Here. + * config/freebsd.h (IDENT_ASM_OP): Here. + * config/linux-aout.h (SET_ASM_OP): Here. + * config/linux.h (SET_ASM_OP): Here. + * config/lynx.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, + INT_ASM_OP): Here. + * config/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here. + * config/nextstep.h (EH_FRAME_SECTION_ASM_OP, ALIGN_ASM_OP): Here. + * config/openbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP): Here. + * config/psos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, + INT_ASM_OP): Here. + * config/ptx4.h (IDENT_ASM_OP, ASM_BYTE_OP, SET_ASM_OP, + SKIP_ASM_OP, ALIGN_ASM_OP, COMMON_ASM_OP, LOCAL_ASM_OP, + INT_ASM_OP, ASCII_DATA_ASM_OP, CONST_SECTION_ASM_OP, + CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, + FINI_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP STRING_ASM_OP): Here. + * config/svr3.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, + CONST_SECTION_ASM_OP, ASM_BYTE_OP): Here. + * config/a29k/udi.h (INT_ASM_OP): Here. + * config/alpha/alpha-interix.h (CONST_SECTION_ASM_OP, + CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP, + SET_ASM_OP): Here. + * config/alpha/alpha.h (TEXT_SECTION_ASM_OP, + READONLY_DATA_SECTION_ASM_OP, DATA_SECTION_ASM_OP, + UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, + UNALIGNED_DOUBLE_INT_ASM_OP, ASM_STABS_OP, ASM_STABN_OP, + ASM_STABD_OP): Here. + * config/alpha/elf.h (IDENT_ASM_OP, SKIP_ASM_OP, ALIGN_ASM_OP, + COMMON_ASM_OP, INT_ASM_OP, ASCII_DATA_ASM_OP, + CONST_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, + BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP, + INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, TYPE_ASM_OP, + SIZE_ASM_OP, STRING_ASM_OP): Here. + * config/alpha/vms.h (LINK_SECTION_ASM_OP, + READONLY_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP, + CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, COMMON_ASM_OP): Here. + * config/arc/arc.h (ASM_BYTE_OP, SET_ASM_OP): Here. + (PUSHSECTION_ASM_OP): Define this, not PUSHSECTION_FORMAT. + * config/arm/aof.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): + Here. + * config/arm/aout.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, + BSS_SECTION_ASM_OP, SET_ASM_OP): Here. + * config/arm/coff.h (INT_ASM_OP): Here. + * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Here. + * config/arm/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): Here. + * config/arm/linux-elf.h (IDENT_ASM_OP, CONST_SECTION_ASM_OP, + INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Here. + * config/arm/unknown-elf.h (UNALIGNED_WORD_ASM_OP): Here. + * config/avr/avr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, + ASM_BYTE_OP, TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP, + STRING_ASM_OP): Here. Update documentation copy in comments. + * config/c4x/c4x.h (ASM_STABS_OP, BSS_SECTION_ASM_OP): Here. + * config/clipper/clipper.h (TEXT_SECTION_ASM_OP, + DATA_SECTION_ASM_OP): Here. + * config/clipper/clix.h (BSS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): + Here. + * config/convex/convex.h (TEXT_SECTION_ASM_OP, + DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here. + * config/d30v/d30v.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, + BSS_SECTION_ASM_OP): Here. + * config/fr30/fr30.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, + BSS_SECTION_ASM_OP): Here. + * config/fx80/fx80.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): + Here. + * config/gmicro/gmicro.h (TEXT_SECTION_ASM_OP, + DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP): Here. + * config/h8300/h8300.h (ASM_WORD_OP): Here. + * config/i370/i370.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, + BSS_SECTION_ASM_OP): Here. + * config/i386/aix386.h (INIT_SECTION_ASM_OP): Here. + * config/i386/bsd.h (ASM_BYTE_OP): Here. + * config/i386/cygwin.h (SET_ASM_OP, INT_ASM_OP): Here. + * config/i386/dgux.h (CONST_SECTION_ASM_OP): Here. + * config/i386/djgpp.h (IDENT_ASM_OP, INT_ASM_OP, SET_ASM_OP): + Here. + * config/i386/freebsd-elf.h (SET_ASM_OP): Here. + * config/i386/freebsd.h (TYPE_ASM_OP, SIZE_ASM_OP, INT_ASM_OP): + Here. + * config/i386/i386-coff.h (CTORS_SECTION_ASM_OP, + DTORS_SECTION_ASM_OP, INT_ASM_OP): Here. + * config/i386/i386-interix.h (STRING_ASM_OP, CONST_SECTION_ASM_OP, + CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP, + SET_ASM_OP): Here. + * config/i386/i386elf.h (BSS_SECTION_ASM_OP): Here. + * config/i386/netbsd.h (INT_ASM_OP): Here. + * config/i386/openbsd.h (INT_ASM_OP): Here. + * config/i386/osfrose.h (TYPE_ASM_OP, SIZE_ASM_OP, SET_ASM_OP, + IDENT_ASM_OP): Here. + * config/i386/sco5.h (ALIGN_ASM_OP, ASCII_DATA_ASM_OP, + ASM_BYTE_OP, IDENT_ASM_OP, COMMON_ASM_OP, SET_ASM_OP, + LOCAL_ASM_OP, INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, STRING_ASM_OP, + SKIP_ASM_OP, GLOBAL_ASM_OP): Here. + * config/i386/seq-sysv3.h (SHARED_SECTION_ASM_OP, + SHARED_BSS_SECTION_ASM_OP): Here. + * config/i386/sequent.h (SHARED_SECTION_ASM_OP): Here. + * config/i386/sun386.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP, + DATA_SECTION_ASM_OP): Here. + * config/i386/svr3gas.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, + CONST_SECTION_ASM_OP): Here. + * config/i386/sysv3.h (INIT_SECTION_ASM_OP): Here. + * config/i386/unix.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, + BSS_SECTION_ASM_OP): Here. + * config/i860/bsd-gas.h (ASCII_DATA_ASM_OP): Here. + * config/i860/bsd.h (ASCII_DATA_ASM_OP): Here. + * config/i860/fx2800.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP, + BSS_ASM_OP): Here, but use trailing spaces. + * config/i860/i860.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP, + DATA_SECTION_ASM_OP): Here. + * config/i860/paragon.h (ASCII_DATA_ASM_OP, BSS_SECTION_ASM_OP): + Here. + * config/i860/sysv3.h (ASCII_DATA_ASM_OP, CTORS_SECTION_ASM_OP, + DTORS_SECTION_ASM_OP, TDESC_SECTION_ASM_OP): Here. + * config/i860/sysv4.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, + TDESC_SECTION_ASM_OP): Here. + * config/i960/i960-coff.h (CTORS_SECTION_ASM_OP, + DTORS_SECTION_ASM_OP, INT_ASM_OP): Here. + * config/i960/i960.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): + Here. + * config/ia64/ia64.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, + BSS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP, + UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, + UNALIGNED_DOUBLE_INT_ASM_OP): Here. + * config/ia64/sysv4.h (ASM_BYTE_OP, STRING_ASM_OP, SKIP_ASM_OP, + COMMON_ASM_OP, ASCII_DATA_ASM_OP, INIT_SECTION_ASM_OP, + FINI_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, + SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Here. + * config/m32r/m32r.h (SCOMMON_ASM_OP): Here. + * config/m68hc11/m68hc11.h (GLOBAL_ASM_OP): Here. + * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP, + SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP, + SET_ASM_OP): Here. + * config/m68k/coff.h (BSS_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, + DTORS_SECTION_ASM_OP, INT_ASM_OP): Here. + * config/m68k/crds.h (BSS_SECTION_ASM_OP): Here. + * config/m68k/dpx2.h (ASM_BYTE_OP, GLOBAL_ASM_OP): Here. + * config/m68k/hp320.h (ASCII_DATA_ASM_OP, GLOBAL_ASM_OP): Here. + * config/m68k/linux.h (BSS_SECTION_ASM_OP): Here. + * config/m68k/lynx.h (BSS_SECTION_ASM_OP): Here. + * config/m68k/m68k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, + GLOBAL_ASM_OP): Here. + * config/m68k/m68kelf.h (SWBEG_ASM_OP, BSS_ASM_OP, + BSS_SECTION_ASM_OP): Here. + * config/m68k/m68kv4.h (BSS_ASM_OP): Here. + * config/m68k/mot3300.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, + ASCII_DATA_ASM_OP, SET_ASM_OP, CTORS_SECTION_ASM_OP, + DTORS_SECTION_ASM_OP, GLOBAL_ASM_OP, ASM_BYTE_OP, ALIGN_ASM_OP, + SKIP_ASM_OP): Here. + * config/m68k/newsgas.h (SET_ASM_OP): Here. + * config/m68k/rtemself.h (INIT_SECTION_ASM_OP, + FINI_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here. + * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP, + SPACE_ASM_OP, ALIGN_ASM_OP, GLOBAL_ASM_OP, SWBEG_ASM_OP, + SET_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here, + but use trailing spaces. + * config/m68k/tower-as.h (TEXT_SECTION_ASM_OP, + DATA_SECTION_ASM_OP, GLOBAL_ASM_OP, INIT_SECTION_ASM_OP, + FINI_SECTION_ASM_OP, CONST_SECTION_ASM_OP, BSS_SECTION_ASM_OP): + Here. + * config/m88k/dgux.h (FINI_SECTION_ASM_OP, INIT_SECTION_ASM_OP, + CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here. + * config/m88k/m88k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, + CONST_SECTION_ASM_OP, TDESC_SECTION_ASM_OP, CTORS_SECTION_ASM_OP, + DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, + IDENT_ASM_OP, FILE_ASM_OP, SECTION_ASM_OP, SET_ASM_OP, + GLOBAL_ASM_OP, ALIGN_ASM_OP, SKIP_ASM_OP, COMMON_ASM_OP, + BSS_ASM_OP, FLOAT_ASM_OP, DOUBLE_ASM_OP, INT_ASM_OP, SHORT_ASM_OP, + CHAR_ASM_OP, ASCII_DATA_ASM_OP, SBSS_ASM_OP, SCOMM_ASM_OP, + SDATA_SECTION_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP, INTERNAL_ASM_OP, + VERSION_ASM_OP, UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP, + PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, REQUIRES_88110_ASM_OP, + ASM_BYTE_OP): Here. + * config/m88k/openbsd.h (SET_ASM_OP): Here. + * config/m88k/sysv4.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, + CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Here. + * config/mcore/mcore-elf.h (UNALIGNED_INT_ASM_OP, + UNALIGNED_SHORT_ASM_OP, CTORS_SECTION_ASM_OP, + DTORS_SECTION_ASM_OP): Here. + * config/mcore/mcore-pe.h (CTORS_SECTION_ASM_OP, + DTORS_SECTION_ASM_OP, INT_ASM_OP): Here. + * config/mips/elf.h (TYPE_ASM_OP, SIZE_ASM_OP, + BSS_SECTION_ASM_OP): Here. + * config/mips/elf64.h (TYPE_ASM_OP, SIZE_ASM_OP): Here. + * config/mips/iris5.h (ABICALLS_ASM_OP): Here. + * config/mips/iris6.h (TYPE_ASM_OP, SIZE_ASM_OP, + POPSECTION_ASM_OP, BSS_SECTION_ASM_OP, CONST_SECTION_ASM_OP_32, + CONST_SECTION_ASM_OP_64, CTORS_SECTION_ASM_OP, + DTORS_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP): Here. + * config/mips/mips.c (ABICALLS_ASM_OP): Here. + * config/mips/mips.h (ASM_STABS_OP, ASM_STABN_OP, ASM_STABD_OP): + Here. + * config/mips/netbsd.h (TYPE_ASM_OP, SIZE_ASM_OP, WEAK_ASM_OP): + Here. + * config/mips/osfrose.h (SET_ASM_OP): Here. + * config/mips/sni-svr4.h (ABICALLS_ASM_OP): Here. + * config/ns32k/encore.h (SHARED_SECTION_ASM_OP): Here. + * config/ns32k/merlin.h (SHARED_SECTION_ASM_OP): Here. + * config/ns32k/ns32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): + Here. + * config/ns32k/sequent.h (SHARED_SECTION_ASM_OP): Here. + * config/ns32k/tek6000.h (SHARED_SECTION_ASM_OP): Here. + * config/pa/pa-64.h (INT_ASM_OP, TYPE_ASM_OP, SIZE_ASM_OP): Here. + * config/pa/pa.h (ASM_STABS_OP, ASM_STABN_OP): Here. + * config/pj/pj.h (SET_ASM_OP, BSS_SECTION_ASM_OP): Here. + * config/pyr/pyr.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): + Here. + * config/romp/romp.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): + Here. + * config/rs6000/rs6000.h (SET_ASM_OP): Here. + * config/rs6000/sol2.h (ASM_STABN_OP): Here. + * config/rs6000/sysv4.h (SKIP_ASM_OP, LOCAL_ASM_OP, LCOMM_ASM_OP): + Here. + * config/sh/sh.h (SET_ASM_OP, BSS_SECTION_ASM_OP, + UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Here. + * config/sparc/linux.h (COMMON_ASM_OP): Here. + * config/sparc/linux64.h (COMMON_ASM_OP, + UNALIGNED_DOUBLE_INT_ASM_OP): Here. + * config/sparc/litecoff.h (BSS_SECTION_ASM_OP, + CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INT_ASM_OP): Here. + * config/sparc/lynx.h (BSS_SECTION_ASM_OP): Here. + * config/sparc/pbd.h (ASM_INT_OP): Here. + * config/sparc/sp64-elf.h (UNALIGNED_LONGLONG_ASM_OP): Here. + * config/sparc/sparc.h (ASM_BYTE_OP, TEXT_SECTION_ASM_OP, + DATA_SECTION_ASM_OP, IDENT_ASM_OP): Here. + * config/sparc/sun4gas.h (UNALIGNED_DOUBLE_INT_ASM_OP, + UNALIGNED_INT_ASM_OP, UNALIGNED_SHORT_ASM_OP): Here. + * config/sparc/sysv4.h (STRING_ASM_OP, COMMON_ASM_OP, SKIP_ASM_OP, + UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_INT_ASM_OP, + UNALIGNED_SHORT_ASM_OP, PUSHSECTION_ASM_OP, POPSECTION_ASM_OP, + TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, + CONST_SECTION_ASM_OP, INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, + CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, + EH_FRAME_SECTION_ASM_OP): Here. + * config/sparc/vxsim.h (COMMON_ASM_OP): Here. + * config/spur/spur.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): + Here. + * config/tahoe/tahoe.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): + Here. + * config/v850/v850.h (SCOMMON_ASM_OP, ZCOMMON_ASM_OP, + TCOMMON_ASM_OP): Here. + * config/vax/vax.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): + Here. + * config/we32k/we32k.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, + ASM_BYTE_OP): Here. + +2000-09-25 Richard Henderson <rth@cygnus.com> + + * expmed.c (store_bit_field): Adjust last change to not consider + any word-sized field naturally aligned. + +2000-09-24 Richard Henderson <rth@cygnus.com> + + * config/alpha/alpha.c (alpha_emit_conditional_branch): Handle + TFmode unordered compares properly. Revalidate integer compare + operands. + (alpha_emit_setcc): New. + (alpha_emit_conditional_move): Revalidate integer compare operands. + * config/alpha/alpha-protos.h: Update. + * config/alpha/alpha.md (cmpdi): Allow general operands. + (sne): Use alpha_emit_setcc. + (seq, slt, sle, sgt, sge, sltu, sleu, sgtu, sgeu): Likewise. + (sunordered, sordered): New. + +2000-09-24 Richard Henderson <rth@cygnus.com> + + * config/ia64/ia64-protos.h: Update. + * config/ia64/ia64.c (call_multiple_values_operation): Remove. + (ia64_expand_call): New. + (ia64_expand_prologue): Emit an alloc if we need extra input + registers. + (ia64_expand_epilogue): New arg sibcall_p; don't emit the return + instruction if true. + (struct reg_flags): Add is_sibcall. + (rtx_needs_barrier): A sibcall does not use CFM et al. Ignore USEs. + (emit_insn_group_barriers): Set flags.is_sibcall. Remove hacks + for CODE_FOR_gr_spill_internal/CODE_FOR_gr_restore_internal. + * config/ia64/ia64.h (PREDICATE_CODES): Update. + * config/ia64/ia64.md (call): Use ia64_expand_call. + (call_value): Likewise. + (sibcall, sibcall_value): New. + (call patterns): Remove extra expanders; tidy. + (sibcall_epilogue): New. + (set_bsp): Remove the extra USE. Put the operand inside the UNSPEC. + +2000-09-24 Richard Henderson <rth@cygnus.com> + + * emit-rtl.c (gen_lowpart_common): Use trunc_int_for_mode. + + * sibcall.c (skip_pic_restore): New. + (identify_call_return_value): Use it. + +2000-09-24 Mark Mitchell <mark@codesourcery.com> + + * c-tree.texi: Moved here from cp/ir.texi. Documented nested + functions. Generalize to handle both C and C++. + * Makefile.in (c-tree.info): New target. + (info): Add c-tree.info. + +Sun Sep 24 09:15:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (store_field): If BITSIZE is negative, use size of type. + (expand_expr, case COMPONENT_EXPR): Likewise. + +Sun 24-Sep-2000 11:40:23 BST Neil Booth <NeilB@earthling.net> + + * cpplex.c: Update TODO comment. + * cpplib.c (do_error, do_warning): Merge common code of + do_error and do_warning into do_diagnostic. Use it. + (do_diagnostic): New function. + * cpplib.h: Fix comment typo. + +2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (check_format_info): Warn for a wide character string + used as a non-wide format argument. + +2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk> + + * builtins.def (BUILT_IN_LLABS): Add. + * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS. + * c-common.c (c_common_nodes_builtins): Create builtin functions + __builtin_llabs, and plain llabs unless no_nonansi_builtins + outside of C99 mode. + (expand_tree_builtin): Handle BUILT_IN_LLABS. + +Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net> + + * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q, + CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete. + * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist, + _cpp_free_toklist): No need to worry about extra dummy token + at the start of token lists any more. + (trigraph_ok): Only warn outside comments. + (skip_block_comment): Set and clear lexing_comment. + (skip_line_comment): Take a cpp_reader not cpp_buffer. + Set and clear lexing_comment. + (parse_number): Handle leading '.' indicated by pfile->seen_dot. + (check_long_token): Delete. + (lex_percent, lex_dot): New subroutines of lex_token to + handle lexing of '.' and '%' without lookback. + (lex_token): Use lex_dot and lex_percent. + (lex_line): Don't check for LIST_OFFSET. + (_cpp_init_input_buffer): Update for new _cpp_init_toklist. + * cpplib.c (_cpp_parse_assertion): Similarly. + (cpp_push_buffer): Initialize extra_char. + * cpplib.h (LIST_OFFSET): Delete. + (struct cpp_buffer): New member extra_char. + (struct lexer_state): New members lexing_comment and seen_dot. + +2000-09-23 Jason Merrill <jason@redhat.com> + + * config/rs6000/x-aix41 (CLIB): Define here. + * config/rs6000/t-aix43: Not here. + * config/rs6000/t-aix41: Or here. Remove. + * configure.in: Don't use it. + +2000-09-22 Jason Merrill <jason@redhat.com> + + * configure.in: Add test for HAVE_LD_DWARF_LINKONCE. + * toplev.c: Use it to initialize flag_eliminate_dwarf2dups. + * config.in: Regenerate. + + * configure.in: Fix checks for assembler features when using a + one-tree assembler that has not yet been built. + Fix --disable-threads. + +2000-09-19 Geoff Keating <geoffk@cygnus.com> + + * stmt.c (expand_asm_operands): Allow # in constraints. + +2000-09-22 Jason Merrill <jason@redhat.com> + + * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace. + + * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for + function-local names. + +2000-09-22 Brad Lucier <lucier@math.purdue.edu> + Mark Mitchell <mark@codesourcery.com> + + * toplev.c (warn_disabled_optimization): Declare new warning flag. + * flags.h (warn_disabled_optimization): Add it here. + * gcse.c (gcse_main): Add warning when disabled. + * invoke.texi: Document -Wdisabled-optimization. + +2000-09-21 Jason Merrill <jason@redhat.com> + + * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4. + + * dwarf2out.c (tree_add_const_value_attribute): New fn. + (gen_variable_die): Call it for non-definitions. + + * dwarf2out.c (die_struct): Add die_mark field. + (mark_dies, unmark_dies): New fns. + (clear_die_sizes): Remove. + (print_die): Check die_symbol rather than die_offset. + (build_abbrev_table, output_pubnames, output_aranges): Check + die_mark rather than die_offset. + (output_comp_unit): Move calc_die_sizes after build_abbrev_table. + Call mark_dies. + +Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net> + + * cppfiles.c (lookup_include_file): Rename to open_file. + Always create a splay tree value, even on syscall failures. + Negative entries indicated by fd == -2. + Re-open files closed in the meantime. + (_cpp_fake_include): Create a negative splay tree entry. + (find_include_file, cpp_read_file): Update for function name + change. + * gcc.gd/cpp/mi4.c: Testcase. + +2000-09-21 Nick Clifton <nickc@redhat.com> + + * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for + ARM and THUMB modes. + + * config/mcore/mcore.c: Fix compile time warnings. + * config/mcore/mcore-protos.h: Fix compile time warnings. + +2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca> + + * configure.in: Correct test of gcc_cv_glibc. + * configure: Rebuilt. + * config.in: Rebuilt. + +2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (expand_builtin_fputs): Also expand when length!=1. + (expand_builtin): Handle BUILT_IN_FWRITE. + + * builtins.def (BUILT_IN_FWRITE): New entry. + + * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite. + +Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * gcc.c (modify_target): New variable and struct. + (process_command): Handle MODIFY_TARGET_NAME. + * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro. + * config/pa/pa.h (MODIFY_TARGET_NAME): New macro. + + * c-decl.c (finish_decl): Add else's to avoid referencing + TYPE_DOMAIN of an ERROR_MARK. + +Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru> + + * config/avr/avr.c (adjust_insn_length): Adjust lengths of + `reload_in*' insns. + +2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl> + + * config/avr/avr.md (neghi2): Add alternative for input and output + operands in different registers, as in negsi2. + (*negsi2): Remove '*' from the name. Use "movw" if available. + +2000-09-19 Jim Wilson <wilson@cygnus.com> + + * config/ia64/crtbegin.asm (__dso_handle): Delete use of + HAVE_GAS_HIDDEN macro. + +Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net> + + * cpplex.c (lex_line): Drop the EOF token for unknown + directives in assembler. + +2000-09-19 David Edelsohn <edelsohn@gnu.org> + + * configure.in: Allow enable_threads_flag value of "aix". Define + thread_file as "aix" for AIX 4.3 and above. + * configure: Regenerated. + + * gthr-aix.h: New file. + + * rs6000/t-aix43: Replace soft-float multilib with pthread. + Remove 403 processor multilib match. Fix rios2 processor multilib + match. + + * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section + to return to appropriate csect. + +2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New + functions. + (expand_builtin_fputs): Set `target' parameter for `expand_expr'. + (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and + BUILT_IN_PRINTF. + + * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF): + New entries. + + * c-common.c (init_function_format_info): Handle __builtin_printf. + Set `check_function_format_ptr'. + (c_common_nodes_and_builtins): Set `puts_ftype' and + `printf_ftype'. Declare __builtin_putchar, __builtin_puts, + __builtin_printf and printf. + + * tree.c, tree.h (check_function_format_ptr): Declare. + +Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net> + + * cppfiles.c (read_include_file): Take no special action for + zero-length files. + +2000-09-19 Bernd Schmidt <bernds@redhat.co.uk> + + * final.c (insn_current_reference_address): Use INSN_SHUID of seq + rather than that of branch. + (shorten_branches): Don't increment insn_current_address twice. + + Undo most of the Wed Jan 27 23:39:53 1999 patch: + * loop.h (struct induction): Delete members derived, ix and last_use. + (struct loop_ivs): Delete members first_increment_giv and + last_increment_giv. + * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats, + recombine_givs): Delete functions. + (find_and_verify_loops): Don't initialize cont_dominator. + (strength_reduce): Lose code to try to find bivs that can be + expressed as givs of another biv, and to convert biv increments + into givs. + Lose loop_scan_start variable, always use loop->scan_start. + Don't call recombine_givs. Don't handle derived givs. + (record_giv): Don't initialize derived and last_use fields. + (biv_eliminiation_giv_has_0_offset): Lose code to handle derived + givs. + * unroll.c (derived_regs): Delete static variable. + (unroll_loop): Don't initialize it. + (copy_loop_body): Lose code to handle derived givs. + (find_splittable_givs): Don't check for givs made from biv + increments. + Don't set derived_regs. + + Fix misapplied earlier patch: + * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference + to fpul. + (floatsisf2): Generate floatsisf_ie by default. + (floatsisf_i4): Conditional on TARGET_SH4. + + (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand + predicate for the expanders. + +2000-09-19 Richard Henderson <rth@cygnus.com> + + * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols + in addition to pentium and pentiumpro symbols. + (CPP_CPU_DEFAULT_SPEC): Likewise. + + * c-typeck.c (c_expand_asm_operands): Restore the output tree + after expanding. + + * stmt.c (expand_expr_stmt): Only call warn_if_unused_value + if the tree has side effects. + (warn_if_unused_value): Do not warn about void constructs. + + * c-decl.c (poplevel): Invoke warn_about_unused_variables. + + * unroll.c (copy_loop_body): Update LABEL_NUSES before + calling invert_jump. + +2000-09-18 Geoff Keating <geoffk@cygnus.com> + + * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS + into anything. + +2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (c-common.o): Depend on diagnostic.h. + + * c-common.c: Include diagnostic.h. + (tfaff): Delete. + (status_warning): New function. + (check_format_info, maybe_read_dollar_number, check_format_types, + finish_dollar_format_checking, check_function_format): Accept a + `status' parameter. All callers changed. + + * c-common.h (check_function_format): Accept a `status' parameter. + + * c-typeck.c: Update call to `check_function_format'. + +2000-09-18 Richard Henderson <rth@cygnus.com> + + * c-decl.c (c_expand_body): Call mark_varargs before + expand_function_start. + +2000-09-18 Geoff Keating <geoffk@cygnus.com> + + * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #. + * config/rs6000/eabi-ci.asm: Likewise. + +2000-09-18 Richard Henderson <rth@cygnus.com> + + * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx + for BImode. + +2000-09-18 Jim Wilson <wilson@cygnus.com> + + * unroll.c (loop_iterations): Pass increment to extend_for_giv_value + before passing it to fold_rtx_mult_add. + + * unroll.c (final_giv_value): Pass increment through + extend_value_for_giv before passing it to emit_iv_add_mult. + + * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a + paradoxical subreg, then directly substitute the replacement and + return. + +Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net> + + * cpp.texi: Update documentation, including some clarifications, + the treatment of various newline combinations, and space between + backslash and newline. + +Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk> + + * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END): + Replace ASM_OUTPUT_LABELREF with assemble_name. + +Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk> + + * sh.c (addsubcosts): CONST is not cheap. + (find_barrier): For Sh1, take alignment after jumps into account. + +2000-09-15 Andrew Haley <aph@redhat.com> + + * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to + remove all SETs of SUBREGs of hard registers. + * function.c (purge_hard_subreg_sets): New function. + (purge_single_hard_subreg_set): New function. + * rtl.h: (purge_hard_subreg_sets): New function. + +2000-09-18 Richard Henderson <rth@cygnus.com> + + * config/ia64/ia64-protos.h: Update. + * config/ia64/ia64.c (signed_inequality_operator): New. + (ia64_expand_compare): New. + (ia64_register_move_cost): Handle PR_REGS moves. + (ia64_secondary_reload_class): Require a GR when moving to a PR. + (struct reg_write_state): Add written_by_and/or. + (struct reg_flags): Add is_and/or. + (rws_update): Set them. + (rws_access_regno): Test them to allow parallel comparisons. + (rtx_needs_barrier): Recognize parallel comparisons. + (emit_insn_group_barriers): Set prev_insn after a call stop bit. + Call recog_memoized; ignore pred_rel_mutex. + (emit_predicate_relation_info): Don't call find_basic_blocks here. + (ia64_reorg): Do it here instead. + * config/ia64/ia64.h: s/CCmode/BImode/g + (MODES_TIEABLE_P): Don't tie BImode. + (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs. + (CONST_COSTS): Pick sensible values for CONST_INT based on context. + (RTX_COSTS): Make multiply 4 insns. + (MEMORY_MOVE_COST): New. + (PREDICATE_CODES): Update. + * config/ia64/ia64.md: s/CCmode/BImode/g + (movcci, movbi): New. + (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New. + (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New. + (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New. + (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New. + (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New. + (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New. + (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New. + (mulsi, muldi): Use xmpy not xma. + (cmpbi): New. + (movcc, movcc_internal): Remove. + (branch expanders): Use ia64_expand_compare. + (setcc expanders): Likewise. + (cmov insns): Use move_operand and ia64_move_ok. + (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the + scheduler from moving it past a use. + * config/ia64/build.hacks: Remove. + +Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net> + + * cpphash.h (HASHSTEP): Take character rather than pointer + to character. + (_cpp_check_directive, _cpp_check_linemarker): Update prototypes. + + * cpphash.c (cpp_loookup): Update for new HASHSTEP. + + * cpplex.c (auto_expand_name_space, trigraph_replace, + backslash_start, handle_newline, parse_name, INIT_TOKEN_STR, + IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN, + BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE, + KNOWN_DIRECTIVE): Delete. + + (handle_newline, check_long_token, skip_escaped_newlines, + unterminated): New functions. + (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros. + + (parse_identifier): Was parse_name, new implementation. + (skip_line_comment, skip_block_comment, skip_whitespace, + parse_number, parse_string, trigraph_ok, save_comment, + adjust_column, _cpp_get_line): New implementations. + + (lex_token): New function. Lexes a token at a time, looking + forwards. Contains most of the guts of the old lex_line. + (lex_line): New implementation, using lex_token to obtain + individual tokens. + (cpp_scan_buffer): Use the token's line, not the list's line. + + * cpplib.c (_cpp_check_directive, _cpp_check_linemarker): + New implementations. + (do_assert): Don't bother setting the answer's list's line. + (cpp_push_buffer): Initialise new pfile and read_ahead members + of struct cpp_buffer. + + * cpplib.h (cppchar_t): New typedef. + (struct cpp_buffer): read_ahead, pfile and col_adjust are + new members. + (struct lexer_state): New structure that determines the state + and behaviour of the lexer. + (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros. + (struct cpp_reader): New member "state". Rename + multiline_string_line and multiline_string_column. Delete + col_adjust, in_lex_line members. + (CPP_BUF_COLUMN): Update. + +2000-09-18 Richard Henderson <rth@cygnus.com> + + * combine.c (simplify_comparison): Shift a NOT out of a single + bit test. + + * combine.c (if_then_else_cond): Canonicalize BImode true to + STORE_FLAG_VALUE. + * explow.c (trunc_int_for_mode): Likewise. + + * combine.c (combine_simplify_rtx): Use gen_unary to distribute + the NOT for De Morgan's rule. + * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT + of a comparison to the reverse comparison. + + * combine.c (try_combine): Allow split to create a single insn. + + * machmode.def: Add BImode. Add a column for bitsize. + * machmode.h (DEF_MACHMODE): Adjust for extra column. + (GET_MODE_BITSIZE): Use it. + * rtl.c (DEF_MACHMODE): Adjust for extra column. + (mode_bitsize): New. + (mode_mask_array): Use bitsize. + * combine.c (combine_simplify_rtx): Require inner and outer + modes to match on nonzero_bits optimizations. + +2000-09-18 Bernd Schmidt <bernds@redhat.co.uk> + + * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear + its entry in spill_reg_store. + * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in. + * sh.c (reg_no_subreg_operand): New function. + * sh-protos.h (reg_no_subreg_operand): Declare it. + * sh.h (PREDICATE_CODES): Add it. + * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for + input operand that needs to be in fpul. + (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output. + * sh.c (find_barrier): Take into account that machine_dependent_reorg + might add new insns. + +2000-09-18 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as + MAYBE_DEAD. + (sh_expand_epilogue): Take the PIC register into account when + computing the frame size. + + * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs. + * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect + LABEL_REFs with a PIC-safe unspec. + +2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (check_format_info): Properly save the argument + number and parameter for $ operand number formats in case width + and precision arguments are also used. Allow printf width and + precision arguments to have operand numbers even if none was + specified for the main format, since this is OK for %*.*m. Only + object to missing $ operand number if the format used requires an + argument. + +2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (format_char_info): Add 'W' flag to comment. + (print_char_table, scan_char_table): Use it. + (check_format_info): Use the 'W' flag to determine whether a + format argument is written into. + +2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (check_format_types): Reorganise and clean up, + checking earlier for ERROR_MARKs and making cur_type into its + TYPE_MAIN_VARIANT where convenient. + +2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk> + + * gcc.c (cpp_options): Add specs for __STDC_HOSTED__. + +2000-09-18 Bernd Schmidt <bernds@redhat.co.uk> + + * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call. + + * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare. + * i386.c (struct builtin_description): New. + (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays. + (mmx_reg_operand): Declare MODE arg as unused. + (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand, + ix86_expand_unop1_builtin, ix86_expand_unop_builtin, + ix86_expand_binop_builtin, ix86_expand_store_builtin, + ix86_init_builtins, ix86_expand_builtin): New functions. + * i386.h (ix86_builtins): New enumeration. + (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros. + * i386.md (attr length_immediate): 0 for mmx/sse types. + (attr prefix_0f): 1 for mmx/sse types. + (setcc_2): Remove "*" so we get gen_setcc_2. + (emms): Account for changed register numbering. Set "memory" attr + to unknown. + (sfence): Set "memory" attr to unknown. + +2000-09-18 Andreas Jaeger <aj@suse.de> + + * configure.in: Define _GNU_SOURCE only when using the GNU C + Library. + * configure: Regenerated. + * config.in: Regenerated. + +2000-09-17 Mark Mitchell <mark@codesourcery.com> + + * cppinit.c (cpp_init): Don't use ANSI prototypes. + * flow.c (flow_dump_loop): Likewise. + (flow_loops_dump): Likewise. + + * c-typeck.c (c_start_case): Fix typo. + +2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-decl.c (grokdeclarator): Don't give a warning about defaulting + to int for plain complex which defaults to complex double. Do + warn about defaulting to complex double if pedantic. Warn about + complex integer types if pedantic. Warn about complex types if + pedantic and not in C99 mode. + * c-typeck.c (build_unary_op): If pedantic, warn about use of ~ + for complex conjugation. + +2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk> + + * contrib.texi: Update my entry. + +Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru> + + * config/avr/avr.md (mcu_enhanced): New attribute. + (mcu_mega): Likewise. + (extendhisi2): Use mcu_enhanced. + (zero_extendhisi2): Likewise. + (call_insn): Use mcu_enhanced and mcu_mega. + (call_value_insn): Likewise. + (*sbrx_branch): Use mcu_mega. + (*sbrx_and_branchsi): Likewise. + (*sbrx_and_branchhi): Likewise. + (*tablejump_lib): Likewise. + +Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * alias.c (true_dependence): Allow non-unchanging read to conflict + with unchanging write. + + * expr.c (store_constructor_field): Accept ALIAS_SET arg. + (store_constructor): Pass alias_set to it. + + * c-decl.c (grokdeclarator): Reorder tests to avoid looking at + TYPE_MAIN_VARIANT of ERROR_MARK. + * c-lex.c (readescape): Avoid using printf syntax we don't recognize. + + * simplify-rtx.c (simplify_unary_operation): Add cases + FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0. + +2000-09-17 Bernd Schmidt <bernds@redhat.co.uk> + + * expr.h (emit_library_call, emit_library_call_value): Delete + declarations. + * rtl.h (enum libcall_type): New. + (emit_library_call, emit_library_call_value): Change fn_type arg to + be of type enum libcall_type. + * calls.c: Likewise for the function definitions. Several callers + throughout changed to use the new enumeration appropriately. + (emit_library_call_value_1): Likewise. Put back code to make libcall + blocks of equal form, but only use it for the two new higher + enumeration values. + +2000-09-16 Mark Mitchell <mark@codesourcery.com> + + Convert the C front-end to use function-at-a-time mode. + * c-common.h: Include splay-tree.h. + (C_DECLARED_LABEL_FLAG): New macro. + (struct language_function): Add x_scope_stmt_stack and + x_function_name_declared_p. + (RECHAIN_STMTS): Move definition. + (lang_statement_code_p): Likewise. + (lang_expand_stmt): Likewise. + (lang_expand_decl_stmt): New variable. + (lang_expand_function_end): Likewise. + (current_scope_stmt_stack): New function. + (add_decl_stmt): Likewise. + (add_scope_stmt): Likewise. + (mark_stmt_tree): Likewise. + (struct c_lang_decl): New structure. + (DECL_SAVED_TREE): Define. + (c_mark_lang_decl): New function. + (c_expand_start_cond): Change prototype. + (c_finish_then): New function. + (c_finish_else): Likewise. + (current_function_name_declared): Remove. + (set_current_function_name_declared): Likewise. + (mark_c_language_function): Declare. + (case_compare): Likewise. + (c_add_case_label): Likewise. + (c_expand_expr): Likewise. + (c_safe_from_p): Likewise. + * c-common.c (lang_expand_function_end): New variable. + (struct if_elt): Add if_stmt. + (c_expand_start_cond): Add the if-statement to the statement-tree, + rather than generating RTL. + (c_finish_then): New function. + (c_expand_start_else): Don't generate RTL. + (c_finish_else): New function. + (c_expand_expr_stmt): Don't generate RTL. + (statement_code_p): Add SCOPE_STMT. + (case_compare): New function. + (c_add_case_label): Likewise. + (mark_stmt_tree): Likewise. + (c_mark_lang_decl): Likewise. + (mark_c_language_function): Likewise. + (c_expand_expr): Likewise. + (c_safe_from_p): Likewise. + * c-decl.c (c_stmt_tree): New variable + (c_scope_stmt_stack): Likewise. + (c_function_name_declared_p): Likewise. + (lang_expand_expr_stmt): Remove. + (poplevel): Don't call output_inline_function for nested + functions. + (pushdecl): Don't set DECL_CONTEXT for a local declaration of an + `extern' function. + (redeclaration_error_message): Change means of computing whether + or not a function is nested. + (lookup_label): Don't call label_rtx. + (init_decl_processing): Add more GC roots. + (start_decl): Add DECL_STMTs to the statement-tree, rather than + calling rest_of_decl_compilation. + (finish_decl): Don't call expand_decl. + (store_parm_decls): Begin the statement-tree, but don't generate + RTL. + (finish_function): Tie off the statement-tree. Call c_expand_body + if appropriate. + (c_expand_body): New function. + (push_c_function_context): Save more information. + (pop_c_function_contxt): Likewise. + (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it. + (lang_mark_tree): Mark it. + (current_stmt_tree): Adjust. + (current_scope_stmt_stack): New function. + (do_case): Remove. + (set_current_name_declared): Likewise. + (c_begin_compound_stmt): Define. + (c_expand_decl_stmt): Likewise. + * c-lang.c: Include rtl.h and expr.h. + (lang_init): Set more language-specific hooks. + * c-lex.c: Include expr.h. + * c-parse.in: Changes throughout to add statements to the + statement-tree, rather than generating RTL after every statement. + * c-semantics.c (lang_expand_decl_stmt): Define. + (add_decl_stmt): New function. + (add_scope_stmt): Likewise. + (finish_stmt_tree): Tweak. + (genrtl_expr_stmt): Likewise. + (genrtl_decl_stmt): Handle local labels, and call + lang_expand_decl_stmt if required. + (genrtl_for_stmt): Fix line-number handling. + (genrtl_case_label): Handle cleanups. + (genrtl_asm_stmt): Don't call combine_strings. + (genrtl_compound_stmt): Simplify. + (expand_stmt): Handle SCOPE_STMTs. + * c-tree.h (struct lang_decl): New structure. + (C_DECLARED_LABEL_FLAG): Remove. + (c_begin_compound_stmt): Declare. + (c_expand_decl_stmt): Likewise. + (c_expand_start_case): Rename to c_start_case. + (c_finish_case): New function. + * c-typeck.c (start_init): Tweak setting of + constructor_incremental. + (c_expand_asm_operands): Tweak error-handling. Add to the + statement-tree. + (c_expand_return): Add to the statement-tree. + (c_expand_start_case): Rename to ... + (c_start_case): ... this. + (struct c_switch): New type. + (switch_stack): New variable. + (do_case): Simplify. + (c_finish_case): New function. + * dependence.c: Include expr.h. + (enum dependence_type): Change spelling of enumerals. + (check_node_dependence): Adjust. + * expr.h (lang_safe_from_p): Declare. + (safe_from_p): Likewise. + * expr.c (lang_safe_from_p): New variable. + (safe_from_p): Give it external linkage. Use lang_safe_from_p. + * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type. + * toplev.c (rest_of_decl_compilation): Robustify. + * tree.c (contains_placeholder_p): Likewise. + * Makefile.in: Update dependencies. + * objc/objc-act.h: Adjust calculation of value for dummy_tree_code. + * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h. + (objc_expand_function_end): New function. + (finish_method_def): Use it. + (init_objc): Initialize more language-specific hooks. + * objc/Make-lang.in: Update dependencies. + +2000-09-16 Geoffrey Keating <geoffk@cygnus.com> + + * configure.in: Define macros that affect features before + testing for features. Don't define _XOPEN_SOURCE. + * configure: Regenerated. + * config.in: Regenerated. + +Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com) + + * rtlanal.c (rtx_varies_p): Volatile asms vary. + (rtx_unstable_p): Restructure code. Volatile asms + are unstable. + +Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * function.h (no_debugging_symbols): New field. + * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy. + Initialize no_debugging_symbols. + (output_inline_function): Save and restore write_symbols and set from + no_debugging_symbols. + * toplev.c (rest_of_compilation): Call save_for_inline. + * tree.h: Update comment. + + * stor-layout.c (place_field): Don't do anything if field or + its type are ERROR_MARK. + +Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net> + + * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined. + (read_include_file): Ensure inc->mmaped is initialized. + +2000-09-16 Richard Henderson <rth@cygnus.com> + + * cppiles.c (purge_cache): Use PTR not caddr_t. + +2000-09-16 Hans-Peter Nilsson <hp@axis.com> + + * gcc.c: In description for %{<S}, say the option removed is -S. + * invoke.texi (Spec Files): Ditto. + +2000-09-16 Andreas Jaeger <aj@suse.de> + + * configure.in: Always define _GNU_SOURCE to make interfaces + visible that were hidden by only defining _GNU_SOURCE. + * configure: Regenerated. + +Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net> + + * cpplex.c (push_macro_context): Set an argument's level after + calling parse_args. We could loop infinitely otherwise. + +2000-09-15 Tom Tromey <tromey@cygnus.com> + + * configure, config.in: Rebuilt. + * configure.in: Check for iconv.h. Define _XOPEN_SOURCE. + +2000-09-15 Greg McGary <greg@mcgary.org> + + * cppmacro.c (check_trad_stringification): Check token + text pointers against limit before dereferencing. + +2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (format_wanted_type): New structure. + (check_format_types): New function. + (check_format_info): Pass all checking of types of format + arguments, including width and precision arguments, to this new + function. + +2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * BUGS: Remove file. + +2000-09-15 Jakub Jelinek <jakub@redhat.com> + + * config/alpha/alpha.c (override_options): ev6 cache latencies + from Richard Henderson. Don't allow -mmemory-latency=L0. + + * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define. + (TARGET_OPTIONS): Add tune=. + (alpha_tune_string): Declare. + * config/alpha/alpha.c (override_options): Add cpu_table. + Use alpha_cpu_string first to set both alpha_cpu and target_flags + and then alpha_tune_string to set alpha_cpu only. + Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests. + * config/alpha/elf.h (ASM_FILE_START): Likewise. + * config/alpha/osf.h (ASM_FILE_START): Likewise. + * config/alpha/openbsd.h (ASM_FILE_START): Likewise. + +Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz> + + * i386-protos.h (no_comparison_operator, uno_comparison_operator): + Remove. + (ix86_comparison_operator, ix86_cc_mode): Declare + * i386.h (CCGC, CCGCO): New modes. + (SELECT_CC_MODE): Move offline to .... + * i386.c (ix86_cc_mode): .... here; use new modes. + (ix86_comparison_operator): New. + (fcmov_comparison_operator): Ensure proper mode. + (put_condition_mode): More sanity checking. + (ix86_match_ccmode): Handle new modes. + (ix86_expand_fp_compare): GEU requires CCmode. + (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of + doing it by hand. + * i386.md (cmp?i_ccz_1): Remove + (cmp?i_ccno_1): Use ix86_match_ccmode. + (cmp?i_minus_1): New. + (cmpsi_1): New expander. + (cmpqi_ext_1): Use match_ccmode + (cmpqi_ext_3): New expander. + (cmpqi_ext_3_insn): Rename from cmpqi_ext_3. + (cmpqi_ext_4): Use match_ccmode. + (add?i_?): Use match_ccmode. + (add?i_6): New. + (test?i_ccz_1): Remove + (test?i_1): New. + (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander. + (testqi_ext_0): Use ix86_match_ccmode. + (*xorqi_cc_ext_1): Use ix86_match_ccmode. + (xorqi_cc_ext_1): New expander. + (shift patterns): Use CCGOCmode for all shifts except for sar. + (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator. + (setcc_3, jcc_3, miv?icc_c): Remove. + +2000-09-15 Will Cohen <wcohen@redhat.com> + + * dwarf2out.c (add_const_value_attribute): Changed array into a + xmalloced object, so it exists after function exit. + (free_AT): Added case for dw_val_class_float to free allocated + memory. + +2000-09-15 Kazu Hirata <kazu@hxi.com> + + * config/i386/i386.md: Fix a comment typo. + * gcc.c: Fix formatting. + +2000-09-15 Bernd Schmidt <bernds@redhat.co.uk> + + * optabs.c (emit_libcall_block): If target is a user variable, + copy to a temporary first. + * expr.c (convert_move): When generating a libcall, make a libcall + block. + * calls.c (emit_library_call_value_1): Don't create a libcall + sequence here; our caller will in most cases do it. + + * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or + MACH into FPUL. + (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case. + * sh.md (reload_outsf): Generate recognizable patterns for + TARGET_SH3E. + (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2, + fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2, + fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2, + truncdfsf2_i4): Change not to use explicit references to fpul. + (floatsisf2_ie): Remove USE of fpscr. + (floatsisf2): Change default expansion to match this. + (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out + unused patterns. + +2000-09-15 Richard Henderson <rth@cygnus.com> + + * expmed.c (store_bit_field): Consider naturally aligned + memory for direct reference. + +2000-09-15 Richard Henderson <rth@cygnus.com> + + * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all + AND addresses into alias set 0. + (alpha_expand_unaligned_store): Likewise. + (alpha_expand_unaligned_load_words): Likewise. + (alpha_expand_unaligned_store_words): Likewise. + +2000-09-15 Bernd Schmidt <bernds@redhat.co.uk> + + * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__. + * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__ + is defined. + * config/mips/mips.c (mips_va_arg): Args passed by reference have a + rsize of UNITS_PER_WORD. + +Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net> + + * cpplex.c (ON_REST_ARG): Correct the test. + (maybe_paste_with_next): Duplicate a token that fail pasting, + and clear its PASTE_LEFT flag, so that nested pasting attempts + do not occur. + +2000-09-14 Richard Henderson <rth@cygnus.com> + + * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2. + * cse.c (rtx_cost): Likewise. + * optabls.c (expand_binop): Likewise. + (expand_twoval_binop, prepare_cmp_insn): Likewise. + * regclass.c (copy_cost): Likewise. + * reload1.c (reload_cse_move2add): Likewise. + +2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-parse.in (reswords): Add _Complex. + +2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca> + + * gcc.1: Delete documentation for -undef preprocessor option. + +2000-09-14 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, + STARTFILE_SPEC, ENDFILE_SPEC): Remove define. + * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): + Remove undefine before config/elfos.h. + * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out. + +2000-09-14 Kazu Hirata <kazu@hxi.com> + + * invoke.texi (H8/300 Options): Add -ms2600. + * config/h8300.c (h8300_init_once): Output an error when -ms2600 + is used without -ms. + * config/h8300.h (TARGET_MAC): New. + (TARGET_SWITCHES): Add -ms2600 and -mno-s2600. + (CONDITIONA_REGISTER_USAGE): Disable the mac register on any + machine other than H8/S2600. + * config/h8300.md: Accept mac instructions on the H8/S2600 instead + of the H8/S2000. + +2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk> + + * reload.c (find_reloads_address_1): Generate reloads for auto_inc + pseudos that refer to the original pseudos, not only to their + equivalent memory locations. + +Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes + when making new MEM. + + * Makefile.in (LN): Remove duplicate definition. + +2000-09-12 Bernd Schmidt <bernds@redhat.co.uk> + + From Joern Rennecke: + * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note + on an insn and function_invariant_p returns nonzero for the source, + add a REG_EQUAL note. + +Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com) + + * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't + conflict with frame_pointer_rtx. + +2000-09-13 Kazu Hirata <kazu@hxi.com> + + * loop.c: Fix formatting. + * loop.h: Likewise. + +2000-09-13 Richard Henderson <rth@cygnus.com> + + * config/ia64/ia64.md (divsf3): New. + (divsf3_internal_lat, divsf3_internal_thr): New. + (divdf3, divdf3_internal_lat, divdf3_internal_thr): New. + (divtf3, divtf3_internal_lat, divtf3_internal_thr): New. + (adddf3_trunc, subdf3_trunc, muldf3_trunc): New. + (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New. + (nmadddf4_alts, nmadddf4_trunc): New. + (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New. + (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New. + (multf3_truncsf_alts, multf3_truncdf_alts): New. + (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New. + (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New. + (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New. + (nmaddtf4_truncdf_alts): New. + (recip_approx): Don't predicate. + +2000-09-13 Richard Henderson <rth@cygnus.com> + + * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6. + +2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * flags.h (flag_dump_rtl_in_asm): Declare. + * toplev.c (flag_dump_rtl_in_asm): Define. + (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name + if -dP is specified. + * rtl.h (print_rtx_head): Declare. + * print-rtl.c (print_rtx_head): Define. + (print_rtx): Print the string pointed to by print_rtx_head + at beginning of each dump line. + (print_rtl): Likewise. + (print_rtl_single): Likewise. + * final.c (final_scan_insn): Dump the insn in the assembly + file for debugging. + * gcc.1: Document -dP option. + * invoke.texi (Debugging Options): Likewise. + +2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * md.texi (Machine Constraints): Document the 68HC11 constraints. + * install.texi (Configurations): Document the 68HC11&68HC12 port. + * invoke.texi (Option Summary, M68hc1x Options): Document the options. + +Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru> + + * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared. + * config/avr/avr.md (*movstrqi_insn): Cleanup output template. + (*clrstrqi): Likewise. + (xorhi3,xorsi3,absqi2): Likewise. + (one_cmplhi2,one_cmplsi2): Likewise. + (addsi3): Two stupid constraint alternatives removed. + (extendhisi2): Use `movw' for enhanced avr cores. + (zero_extendhisi2): Likewise. + +Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com) + + * alias.c (find_base_term): Use frame_pointer_rtx + when handling an ADDRESSOF. + + * cse.c (canon_hash): Handle USE of BLKmode memory. + (cse_insn): Outgoing arguments for a libcall don't + affect any recorded expressions. + +2000-09-12 Tom Tromey <tromey@cygnus.com> + + * configure, config.in: Rebuilt. + * configure.in: Check for iconv, nl_langinfo, langinfo.h. + +2000-09-12 Jakub Jelinek <jakub@redhat.com> + + * c-lex.c (lex_string): Use charwidth to compute bytemask. + * expr.c (expand_expr): Don't optimize constant array references + initialized with wide string constants. + +2000-09-13 Michael Hayes <mhayes@cygnus.com> + + * loop.c (note_set_pseudo_multiple_uses): Correct. + +2000-09-12 Jim Wilson <wilson@cygnus.com> + + * ifcvt.c (noce_process_if_block): If A and B are the same, and no + else block, and X has side-effects, then fail. + +2000-09-12 Greg McGary <greg@mcgary.org> + + * config/mips/mips-protos.h + (trap_cmp_op, mips_gen_conditional_trap): New func decls. + * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro. + (PREDICATE_CODES): Add "trap_cmp_op". + * config/mips/mips.c + (trap_cmp_op, mips_gen_conditional_trap): New functions. + * config/mips/mips.md (trap, conditional_trap): New patterns. + +2000-09-12 Bernd Schmidt <bernds@redhat.co.uk> + + * flow.c (try_pre_increment_1): Don't do anything to sets of the stack + pointer. + +2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (built_in_decls): New array. + (expand_builtin_fputs): New function. + (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS. + + * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members. + + * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs. + + * tree.h (built_in_decls): New array. + +Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com) + + * convex.md: Use "+" instead of "=" for outputs wrapped in a + STRICT_LOW_PART. + * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise. + +2000-09-12 Kazu Hirata <kazu@hxi.com> + + * haifa-sched.c: Fix formatting. + + * genattrtab.c: Fix formatting. + + * unroll.c: Fix formatting. + +2000-09-12 Bruce Korb <bkorb@gnu.org> + + * fixinc/fixfixes.c: make a type for the fix procedure & use it, + remove obsolete code + * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch. + * fixinc/fixincl.tpl: make non-exported arrays static scope + * fixinc/fixincl.x: regenerate + * fixinc/fixlib.h: Use PARAMS, not _P_ + * fixinc/fixtests.c: make a type for the test proc & use it + * fixinc/server.h: Use PARAMS, not _P_ + +2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-typeck.c (process_init_element): Avoid union init warnings on + floating point zero. Don't crash on unions containing structs. + +2000-09-12 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to + general_movsrc_operand, and remove CONST_INT from + general_movdst_operand. + +2000-09-12 Bernd Schmidt <bernds@redhat.co.uk> + + * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX + if a reference to non-fixed hardreg is seen. Otherwise, count hard + regs with a higher cost. + (preferrable): Deal with cases where either cost or regcost is + MAX_COST. + (cse_insn): Use MAX_COST rather than 10000. Always initialize + regcost values. + (COSTS_N_INSNS): Move definition... + * rtl.h: ...here. + (MAX_COST): New macro. + * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded + constant. + +2000-09-11 Mark Mitchell <mark@codesourcery.com> + + * c-common.h (genrtl_clear_out_block): Remove. + * c-semantics.c (genrtl_clear_out_block): Remove. + (genrtl_while_stmt): Don't call it. + (genrtl_for_stmt): Likewise. + +2000-09-11 Zack Weinberg <zack@wolery.cumb.org> + + * cppfiles.c: Move all default-#defines to top of file. + (open_include_file): Replace by lookup_include_file. + (read_with_read, read_file): Merged into read_include_file. + (stack_include_file, purge_cache): New functions. + (close_cached_fd): Delete. + (lookup_include_file, read_include_file, _cpp_pop_file_buffer): + Cache the in-memory buffer, not the file descriptor. + + * cpphash.h (struct include_file): Add buffer, st, refcnt, + mapped fields. + (xcnew): New utility macro. + (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file. + * cpplib.h (struct cpp_buffer): Remove mapped field. + +2000-09-11 Zack Weinberg <zack@wolery.cumb.org> + + * cpplex.c (parse_string): Accept backslash space newline as a + line continuation. + (lex_line): Likewise. + (_cpp_get_token): Remove hard limit on macro nesting. + +2000-09-12 Philipp Thomas <pthomas@suse.de> + + * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext. + * configure: Rebuilt. + +2000-09-13 Michael Hayes <mhayes@cygnus.com> + + * flow.c (split_block): Fix update of registers live at + end of split block. + +Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz> + + * i386.md (add?i_3, add?i_5): New. + (add?i_4): Rename from add?i_3; Fix compare pattern. + (sub?i_3, xor?i_3, ior?i_3): New. + + * genrecog.c (write_tree): Output code to clear insn_extract cache. + * genattrtab.c (write_attr_case): Gen call to extract_insn_cache + instead of extract_insn and extract_constrain_insn_cache instead of + extract_insn and constrain_operands. + * recog.c (extract_insn_cached, extract_constrain_insn_cached): + New functions. + (extract_insn): Clear which_alternative. + (constrain_operands): Set which_alternative to -1 when failed. + * recog.h (extract_constrain_insn_cached, extract_insn_cached): + Declare. + +2000-09-11 Matthew Hiller <hiller@redhat.com> + + * config/h8300/h8300.md (movstrictqi): Changed constraint modifier + on operand 0 to '+'. + (movstricthi): Likewise. + +2000-09-12 Michael Hayes <mhayes@cygnus.com> + + * loop.h (LOOP_IVS): New macro. + (REG_IV_TYPE, REG_IV_INFO): Add ivs argument. + (struct loop_ivs): New. + (struct loop_info): Add ivs field. + (reg_iv_type, reg_iv_info): Delete prototype. + (reg_biv_class, loop_iv_list): Likewise. + * loop.c (record_biv, find_life_end): Pass loop argument. + (reg_iv_type): Remove global array and use + field in loop_regs structure within loop_ivs structure. + (reg_iv_info, reg_biv_class, loop_iv_list): Likewise. + (first_increment_giv, last_increment_giv): Use entry in + loop_ivs structure. + (record_initial): Pass ivs pointer. + * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument. + +2000-09-12 Michael Hayes <mhayes@cygnus.com> + + * loop.h (LOOP_REGS): New macro. + (struct loop_regs): New. + (struct loop_info): Add regs field. + * loop.c (set_in_loop): Remove global array and store + in loop_regs structure as part of loop_info structure. + (n_times_set, may_not_optimize): Likewise. + (reg_single_usage, moved_once): Likewise. + (count_one_set): Add regs argument. + (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise. + (set_pseudo_multiple_uses): Pass regs pointer. + +2000-09-12 Michael Hayes <mhayes@cygnus.com> + + * unroll.c (iteration_info): Subsume into loop_iterations. + * loop.h (loop_info): New field iv. + +2000-09-12 Michael Hayes <mhayes@cygnus.com> + + * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New. + (LOOP_EXITS_DOMS, LOOP_ALL): Likewise. + (flow_loops_update): New prototype. + (flow_loops_find): Add flags to prototype. + (struct loop): Add `pre_header_root' and `pre_header_trace' fields. + * flow.c (flow_loop_pre_header_scan): New. + (flow_loop_dump): Dump pre-header root and trace and exit dominators. + (flow_loop_free): Free pre-header root and trace and exit dominators. + (flow_loops_find): New argument flags. + (flow_loops_update): New function. + * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find. + +2000-09-12 Michael Hayes <mhayes@cygnus.com> + + * basic-block.h (split_block, update_bb_for_insn): New prototypes. + * flow.c (split_block, update_bb_for_insn): New functions. + +2000-09-11 Richard Henderson <rth@cygnus.com> + + * cse.c (fold_rtx): Honor NO_FUNCTION_CSE. + +2000-09-11 Richard Henderson <rth@cygnus.com> + + * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare. + * config/ia64/ia64.c (fr_nonimmediate_operand): New. + (ia64_override_options): Prevent optimizing division for both + latency and throughput. + (rtx_needs_barrier): Handle frcpa. + * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New. + (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New. + (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New. + (TARGET_SWITCHES): Add -minline-divide-min-latency and + -minline-divide-max-throughput. + (PREDICATE_CODES): Update. + * config/ia64/ia64.md (extendsidi2): Remove * from f case. + (zero_extendsidi2): Likewise. Fix typo in f case insn. + (extendsfdf2): Add cases for gr<->fr and fr<->mem. + (extendsftf2): Likewise. + (extenddftf2): Likewise. + (fix_trunctfdi2_alts): New. + (fixuns_trunctfdi2_alts): New. + (madd*4): Rename from madd*3. + (divsi3, modsi3, udivsi3, umodsi3): New. + (divsi3_internal): New. + (divdi3, moddi3, udivdi3, umoddi3): New. + (divdi3_internal_lat, divdi3_internal_thr): New. + (multf3_alts, maddtf4_alts, nmaddtf4_alts): New. + (recip_approx): New. + +2000-09-11 Alexandre Oliva <aoliva@redhat.com> + + * print-rtl.c (debug_call_placeholder_verbose): New variable. + (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is + set. + * integrate.c (copy_rtx_and_substitute): Don't share + LEAF_REG_REMAPpable registers with the inlined function. Don't + share the function value with calling sequences. + +2000-09-11 Jakub Jelinek <jakub@redhat.com> + + * c-decl.c (do_case): Fix a typo. + + * combine.c (simplify_if_then_else): Don't convert a == b ? b : a + to a if the comparison is floating mode and not -ffast-math. + * simplify-rtx.c (simplify_ternary_operation): Likewise. + +Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk> + + * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to + gen_ic_invalidate_line. + +2000-09-11 Philip Blundell <pb@futuretv.com> + + * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'. + +Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com> + + * install.texi (LANGUAGES): Update to include new languages. + * INSTALL: Rebuilt. + +2000-09-11 DJ Delorie <dj@redhat.com> + + * gcc.c (main): Don't warn about unused -B prefixes + (unused_prefix_warnings): remove + +2000-09-11 Kazu Hirata <kazu@hxi.com> + + * final.c: Fix formatting. + + * integrate.c: Fix formatting. + +2000-09-11 Geoff Keating <geoffk@cygnus.com> + + * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry. + +2000-09-11 Bernd Schmidt <bernds@redhat.co.uk> + + * reload.c (regno_clobbered_p): Fix thinko in previous change. + +2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * gcc.1: Document 68hc11 specific options. + +2000-09-10 Geoff Keating <geoffk@cygnus.com> + + * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define. + (TARGET_LONG_DOUBLE_128): Define. + (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128. + (LONG_DOUBLE_TYPE_SIZE): Redefine. + (MAX_LONG_DOUBLE_TYPE_SIZE): Define. + (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition + of __LONG_DOUBLE_128__. + (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128 + passed. + (CPP_LONGDOUBLE_DEFAULT_SPEC): Define. + (CPP_SYSV_DEFAULT_SPEC): Define. + (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default. + (INIT_TARGET_OPTABS): Define. + + * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h. + (RS6000_UITRUNC): Likewise. + (INIT_TARGET_OPTABS): New macro. + * config/rs6000/rs6000.c (rs6000_trunc_used): Delete. + (trunc_defined): Delete. + (output_prolog): Don't output .extern definitions for fp->int + conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it. + * config/rs6000/rs6000.h (rs6000_trunc_used): Delete. + (trunc_defined): Delete. + (RS6000_ITRUNC): Moved to aix.h. + (RS6000_UITRUNC): Likewise. + * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would + only emit a libcall. + (fixuns_truncdfsi2): Delete. + (trunc_call): Delete. + (trunc_call_rtl): Delete. + +2000-09-10 Zack Weinberg <zack@wolery.cumb.org> + + * varasm.c (make_decl_rtl): Restore leading star on + DECL_ASSEMBLER_NAME set for decls with an asmspec. + +2000-09-10 Zack Weinberg <zack@wolery.cumb.org> + + * c-pragma.c (handle_pragma_pack): Correct parsing logic so it + won't give a spurious error for '#pragma pack()'. Simplify + control flow for readability. 'reset' action is not necessary. + +2000-09-10 Zack Weinberg <zack@wolery.cumb.org> + + * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE, + SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE, + LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE, + DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED. + + * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c, + profile.c, sdbout.c, tradcif.y, tree.c: + Include defaults.h if not already included. + Don't define the above macros. + + * Makefile.in: Update dependencies. + +2000-09-10 Mark Mitchell <mark@codesourcery.com> + + * c-common.h (add_stmt): Change prototype. + (RECHAIN_STMTS): New macro. + (CASE_LABEL_DECL): Likewise. + (genrtl_case_label): Change prototype. + (c_expand_start_case): Remove prototype. + (build_case_label): Change prototype. + (decl_constant_value): Declare. + * c-common.c (check_case_value): Handle C++'s extensions to C + semantics. + * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL + field. + * c-parse.in (stmt): Adjust handling of return statements and case + laels. + * c-semantics.c (add_stmt): Return the new statement. + (genrtl_return_stmt): Take the RETURN_STMT as input, not the + returned expression. Directly generate RTL, rather than calling + c_expand_return. + (genrtl_switch_stmt): Don't call c_expand_start_case. + (build_case_label): Take the LABEL_DECL as input, too. + (genrtl_case_label): Just call add_case_node. + (expand_stmt): Adjust calls to genrtl_return_stmt and + genrtl_case_label. + * c-tree.h (c_expand_start_case): Declare. + * c-typeck.c (decl_constant_value): Give it external linkage. + (c_expand_return): Don't call expand_return or expand_null_return; + use genrtl_return_stmt instead. + * stmt.c (struct nesting): Remove num_ranges field. + (add_case_node): Give it external linkage. + (expand_start_case): Don't set num_ranges. + (expand_start_case_dummy): Don't clear it. + (pushcase): Rely on add_case_node to handle `default' labels. + (add_case_node): Handle `default' labels. + * tree.c (tree_int_cst_compare): New function. + * tree.h (tree_int_cst_compare): Declare. + (add_case_node): Likewise. + +2000-09-10 Richard Henderson <rth@cygnus.com> + + * c-parse.in: Revert last change. + (init_reswords): Do not enter disabled keywords into the ridpointers + table, modulo objc weirdness. + (_yylex): Return the canonical spelling for a keyword. + +2000-09-10 Philip Blundell <philb@gnu.org> + + * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'. + * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'. + +Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com) + + * alias.c (find_base_term): Handle ADDRESSOF. + (memrefs_conflict_p): An ADDRESSOF doesn't conflict. + +2000-09-10 Denis Chertykov <denisc@overta.ru> + + * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while + outputting templates with many lines. + +2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD + to decide whether 64-bit support must be generated. + +2000-09-10 Richard Henderson <rth@cygnus.com> + + * c-parse.in (asm patterns): Fix volatile check. + +2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cppmacro.c (check_trad_stringification): New function. + (save_expansion): If -Wtraditional, warn about stringification of + macro arguments. + +2000-09-11 Michael Hayes <mhayes@cygnus.com> + + * loop.h (struct loop_mem_info): Move from loop.c + (struct loop_info): Add fields store_mems, mems, mems_idx, + mems_allocated, unknown_address_altered, + unknown_constant_address_altered, num_mem_sets, and + first_loop_store_insn. + + * loop.c (loop_store_mems): Replace with field in loop_info struct. + (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise. + (unknown_address_altered, unknown_constant_address_altered): Likewise. + (num_mem_sets): Likewise. + (replace_loop_mems, replace_loop_regs): New. + (struct loop_replace_args): New. + (load_mems): Use replace_loop_mems. + (try_copy_prop): Use replace_loop_regs. + (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure. + +2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * configure.in: Recognize m6811-elf and m6812-elf. + * configure: Regenerate. + +2000-09-09 Geoff Keating <geoffk@cygnus.com> + + * recog.c (validate_replace_rtx_1): Correct MODE parameter in call + to operand_subword. + +2000-09-10 Michael Hayes <mhayes@cygnus.com> + + * loop.c (struct movables): New. + (num_movables): Move into struct movables. + (the_movables): Change type to struct movables. + (ignore_some_movables): Change struct movable arg to struct movables. + (force_movables, combine_movables, regs_match_p): Likewise. + (rtx_equal_for_loop_p, move_movables): Likewise. + (scan_loop): Change movables to be of type struct movables. + Replace last_movable with field in movables structure. + +2000-09-08 Zack Weinberg <zack@wolery.cumb.org> + + * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS. + (init_pragma): Avoid warning if pfile happens to be unused. + * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never + define init_pragma to nothing. Always prototype + init_pragma. Prototype dispatch_pragma if !USE_CPPLIB. + + * c-lex.c (process_directive): Always call dispatch_pragma. + Initialize entering_c_header to 0. + +2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * config/m68hc11/m68hc11.md: New file, machine description for + 68HC11 & 68HC12. + * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12. + * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12. + * config/m68hc11/m68hc12.h: New file, definitions for 68HC12. + * config/m68hc11/m68hc11-protos.h: New file. + * config/m68hc11/m68hc11-crt0.S: New file, startup code. + * config/m68hc11/t-m68hc11-gas: New file, makefile fragment. + * config/m68hc11/xm-m68hc11.h: New file, target defs. + * config/m68hc11/larith.asm: New file, libgcc routines. + +2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * Makefile.in (DPBIT_FUNCS): Add _usi_to_df. + (FPBIT_FUNCS): Add _usi_to_sf. + * config/fp-bit.c (usi_to_float): New function. + * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define. + (usi_to_float): Add appropriate #define. + +2000-09-08 Bernd Schmidt <bernds@redhat.co.uk> + + * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare + new functions. + * i386.c (sse_comparison_operator, mmx_reg_operand): New functions. + * i386.md (attr "type"): Add sse and mmx types. + (attr "memory"): Handle them without a crash. + (movsi_1, movdi_2): Allow MMX regs. + (movdi splits): Don't split moves involving MMX regs. + (setcc_4): Remove '*' from pattern name so we get a gen_setcc4. + (movv4sf_internal, movv4si_internal, movv8qi_internal, + movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si, + movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si, + sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq, + sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps, + sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps, + addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3, + divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2, + sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3, + sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3, + vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps, + smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi, + cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3, + addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, + subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3, + mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd, + mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3, + mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw, + eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3, + smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3, + lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3, + mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw, + mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd, + mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti, + mmx_clrdi): New patterns. + +2000-09-08 Richard Earnshaw <rearnsha@arm.com> + + * arm.c: Don't include tm.h directly. + +Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz> + + * recog.c (validate_replace_rtx_1): Fix confusion about equality + testing; simplify subregs of constants and nested subregs. + +2000-09-08 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg. + +2000-09-08 Bernd Schmidt <bernds@redhat.co.uk> + + * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a + VEC_CONCAT. + * rtl.texi (description of USE): Add note about possible pitfalls + with this rtx. + From Richard Henderson: + * reload1.c (choose_reload_regs): Compute need_mode properly. + +2000-09-07 Richard Henderson <rth@cygnus.com> + + * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa. + (__modsi3, __umodsi3): Likewise. + (__udivsi3): Likewise. Normalize the TFmode values. + +2000-09-07 Geoff Keating <geoffk@cygnus.com> + + * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter + with a prototype. + * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress + warning. + +Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk> + + * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove. + (cmpeqdi_t): Add output pattern. + (cmpeqdi_t+1): Don't split when not optimizing. + Restore proper splitting operation. + +2000-09-07 Richard Henderson <rth@cygnus.com> + + * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS, + do not call dispatch_pragma. + +2000-09-07 Jim Wilson <wilson@cygnus.com> + + * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition + to CLASS_CANNOT_CHANGE_MODE. + * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the + mode classes are different. + +2000-09-07 Zack Weinberg <zack@wolery.cumb.org> + + * cpplib.h (struct cpp_options): Add user_label_prefix member, + left out of commit which removed cppulp.c. + +2000-09-07 Richard Henderson <rth@cygnus.com> + + * bb-reorder.c (fixup_reorder_chain): Add jump in new block + after switch for CASE_DROPS_THROUGH. + +2000-09-07 Richard Henderson <rth@cygnus.com> + + * loop.c (strength_reduce): Call check_ext_dependant_givs. + Properly extend the biv initial value for the giv. + (record_biv): Zero ext_dependant. + (record_giv): New argument ext_val. Update all callers. + (general_induction_var): Likewise. + (consec_sets_giv): Likewise. + (simplify_giv_expr): Likewise. Fill in ext_val if we find + a sign-extend, zero-extend, or truncate. + (combine_givs_p): Make sure modes are compatible. + (check_ext_dependant_givs): New. + (extend_value_for_giv): New. + * loop.h (struct induction): Add ext_dependant. + * unroll.c (iteration_info): Extend the biv initial value for the giv. + (find_splittable_givs): Likewise. + (final_giv_value): Likewise. + +2000-09-07 Zack Weinberg <zack@wolery.cumb.org> + + * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if + REGISTER_TARGET_PRAGMAS is defined. Duplicate some + definitions from cpplib.h. + * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has + already done it. + * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add + documentation for REGISTER_TARGET_PRAGMAS. + + * c-lex.c: Include cpplib.h before c-pragma.h. Define a + default-pragma callback to implement -Wunknown-pragmas if + USE_CPPLIB. + * c-parse.in: Move all includes to top of file. + * c-pragma.c: Include cpplib.h before c-pragma.h. Include + tm_p.h. + (dispatch_pragma): Put the namespace in the -Wunknown-pragmas + warning. + (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it. + + * arm.h, arm-protos.h, arm.c, + c4x.h, c4x-protos.h, c4x.c, + h8300.h, h8300-protos.h, h8300.c, + i370.h, i370-protos.h, i370.c, + i960.h, i960-protos.h, i960.c, + sh.h, sh-protos.h, sh.c, + v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based + pragmata scheme to use REGISTER_TARGET_PRAGMAS instead. + + * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add + multiple include guard. + * i370.md (untyped_call): Use GEN_CALL. + (umodsi3): Remove unused variable. + * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA. + * v850.c (output_move_single, output_move_double): Constify + return value. + (print_operand): Constify a char *. + * v850.h (struct small_memory_info): Constify name member. + +2000-09-07 Kazu Hirata <kazu@hxi.com> + + * config/h8300.h: Fix comment typos. + * config/h8300/h8300.md: Likewise. + * config/h8300/lib1funcs.asm: Likewise. + +Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net> + + * Makefile.in: Remove references to cppulp.{c,o}. + * cppinit.c (initialize_builtins, cpp_start_read, + cpp_handle_option): Update to use cpp_options structure. + * cppulp.c: Remove. + +2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (time_char_table): Allow %#b and %#h. + +2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * reorg.c (find_end_label): If the basic block reorder pass moves the + return insn to some other place try to locate it again and put our + end_of_function_label there. + * reorg.c (relax_delay_slots): Check if find_end_label created a + new label that invalidates the current optimazation. + +2000-09-07 Catherine Moore <clm@redhat.com> + + * unroll.c (unroll_loop): Check for unconditional jumps + to loop continuation. Delete if n_iterations is 1. + (ujump_to_loop_cont): New routine. + +2000-09-07 Bernd Schmidt <bernds@redhat.co.uk> + + * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and + MODE_VECTOR_FLOAT. + * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it + to handle multiword modes correctly. All callers and the declaration + changed. + +2000-09-06 Mark Mitchell <mark@codesourcery.com> + + * c-common.h (prep_stmt): Declare. + (lang_expand_stmt): Likewise. + * c-decl.c (lang_expand_stmt): Remove. + * c-semantics.c (lang_expand_stmt): Define. + (prep_stmt): New function. + (expand_stmt): Handle common statement types here. + +2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com> + + * configure.in (sh-*-linux*): Added. + * configure: Rebuilt. + * config/sh/t-linux: New file. + * config/sh/sh.h (USERMODE_BIT): Define. + (TARGET_USERMODE): Likewise. + (TARGET_SWITCHES): New switches for the bits above. + (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE. + * config/sh/linux.h: New file. + * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with + underscore on linux. + (L_sdivsi3, L_udivsi3): Define for linux. + (L_ic_invalidate): Define. + * invoke.texi (SH Options): Document -musermode. + +2000-09-07 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function + CSE unless generating PIC. + + * config/sh/sh.md (symPLT_label2reg): Force the initialization of + the PIC register. + +2000-09-06 H.J. Lu (hjl@gnu.org) + + * Makefile.in (clean_s1): Depend on stage_b. + (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in + stage2. They are used for "make compare". + +2000-09-06 Mark Mitchell <mark@codesourcery.com> + + Move statement-tree facilities from C++ to C front-end. + * c-common.h (c_tree_index): Add CTI_VOID_ZERO. + (void_zero_node): New macro. + (struct stmt_tree_s): New type. + (stmt_tree): New typedef. + (struct language_function): New type. + (last_tree): New macro. + (last_expr_type): Likewise. + (walk_tree_fn): New typedef. + (current_stmt_tree): New function. + (begin_stmt_tree): Likewise. + (add_stmt): Likewise. + (finish_stmt_tree): Likewise. + (statement_code_p): Likewise. + (lang_statement_code_p): New variable. + (walk_stmt_tree): New function. + (STMT_IS_FULL_EXPR_P): New macro. + * c-common.c (lang_statement_code_p): New variable. + (c_common_nodes_and_builtins): Initialize void_zero_node. + (statement_code_p): New function. + (walk_stmt_tree): Likewise. + * c-decl.c (language_function): Rename to ... + (c_language_function): ... this. Include language_function. + (push_c_function_context): Adjust accordingly. + (pop_c_function_context): Likewise. + (mark_c_function_context): Likewise. + (current_stmt_tree): Define. + * c-semantics.c (begin_stmt_tree): New function. + (add_stmt): Likewise. + (prune_unused_decls): Likewise. + (finish_stmt_tree): Likewise. + +2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * flow.c (insn_dead_p): Detect dead memory stores with auto increments. + +2000-09-06 Kazu Hirata <kazu@hxi.com> + + * calls.c: Fix formatting. + +2000-09-06 Graham Stott <grahams@cygnus.co.uk> + + * config/i386/i386.h (ADDRESS_COST): Fix typo. + +2000-09-06 Zack Weinberg <zack@wolery.cumb.org> + + Integrated preprocessor. + + * Makefile.in: Remove all references to c-parse.gperf, + c-gperf.h, and c-parse.h. Remove -d from yacc command line + generating c-parse.c. Update dependencies. + * c-parse.gperf, c-gperf.h: Delete. + + * c-common.c: Don't define parse_options, cpp_token, yy_cur, + yy_lim, or yy_get_token. Don't define get_directive_line if + USE_CPPLIB. + * c-common.h: Add multiple include guard. Define RID values + for every keyword in C, C++, and Objective C. Put all the + modifiers first. + (struct c_fileinfo, get_fileinfo, dump_time_statistics): New. + * c-decl.c (c_decode_option): Handle -lang-objc here. + (print_lang_identifier): Handle C_IS_RESERVED_WORD case. + (grokdeclarator): Adjust for new RID scheme. + (extract_interface_info): New stub. + * c-lang.c: Don't declare yy_cur or parse_options. + (lang_init_options): Call cpp_init. Don't call + cpp_options_init. + (lang_init): Don't call check_newline if USE_CPPLIB. + + * c-lex.c: Don't include c-parse.h. Do include timevar.h. + Elide lots of unnecessary code if USE_CPPLIB. Delete code + rendered unnecessary by new architecture. Move routines not + shared with C++ to c-parse.in. Maintain a local idea of the + line number. Handle C++ as well as C. + [USE_CPPLIB]: Declare and register callbacks for #ident and + for entering/leaving files. + (init_c_lex, c_lex): Are now the entry points to this file. + (check_newline): Break out directive handling to + process_directive. + (read_ucs, is_extended_char, utf8_extend_token): Moved here + from C++ front end. + (readescape, parse_float): Overhaul. + (lex_number, lex_string, lex_charconst): Break out of c_lex + (n'ee yylex). + (get_fileinfo, update_header_times, dump_one_header, + dump_time_statistics): New and/or moved here from C++. + Support per-file data needed by C++ and per-header timing + statistics (C++ only, at the moment). + * c-lex.h: Update prototypes. Add multiple include guard. + * c-tree.h (struct lang_identifier): Add rid_code field. + (C_IS_RESERVED_WORD, C_RID_CODE): New. + + * c-parse.in: Include c-pragma.h. Remove unnecesary calls to + reinit_parse_for_function and/or position_after_white_space. + (save_filename, save_lineno): Look ahead before saving. + (label -> identifier ':'): Save file and line before shifting ':'. + (reservedwords): No need to call get_identifier. + (init_parse, finish_parse, yyerror, yylex, yyprint, + make_pointer_declarator): Are now here for C/ObjC. + (rid_to_yy): Conversion table from RID constants to Yacc codes. + + * c-pragma.c: Rewrite parsing logic to fit with cpplib's + #pragma registry. Provide dummy implementation of that + interface if !USE_CPPLIB. + * c-pragma.h: Update to match. + + * flags.h: Add multiple include guard. + (flag_detailed_statistics): Moved here from C++. + * toplev.c: Define flag_detailed_statistics. + + * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case + #if USE_CPPLIB. + * timevar.def (TV_CPP, TV_LEX): New. + * timevar.h: Add multiple include guard. + + * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case + #if USE_CPPLIB. + * objc/objc-act.c: Don't mention yy_cur or parse_options. + Initialize cpplib properly. Force lineno to 0 after first + call to check_newline. Don't handle -lang-objc here. + Move forget_protocol_qualifiers and remember_protocol_qualifiers here. + +2000-09-06 David Edelsohn <edelsohn@gnu.org> + + * rs6000.md: Correct function unit definitions for cr_logical and + mtjmpr. + (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER + and use portable method for >=0 and floating point >=. Remove + associated matchers. + +2000-09-06 Mark Mitchell <mark@codesourcery.com> + + * extend.texi: Mark named return value extension as deprecated. + +2000-09-06 Geoff Keating <geoffk@cygnus.com> + + * config/rs6000/rs6000.c (rs6000_reverse_condition): Return + the result. + +2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com> + + * toplev.c (display_help): Fix thinko in documentation. + + * diagnostic.h (output_buffer::indent_skip): New fields. + (output_indentation): New macro. + + * diagnostic.c (output_indent): New function. + (output_set_prefix, clear_diagnostic_info): Use. + (output_emit_prefix): Predict future indentation. + +2000-09-06 DJ Delorie <dj@redhat.com> + + * Makefile.in (stage_*): add more dependencies to ensure parallel + builds build correctly + +2000-09-06 Manfred Hollstein <manfredh@redhat.com> + + * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g, + not bootstrap-lean_f. + +2000-09-06 Andreas Schwab <schwab@suse.de> + + * mklibgcc.in: Emit rule for libgcc-stage-start. + * Makefile.in (stage1-start, stage2-start, stage3-start, + stage4-start): Don't handle libgcc here, use libgcc.mk instead. + +2000-09-06 Bernd Schmidt <bernds@redhat.co.uk> + + * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED. + (update_equiv_regs): Likewise, except for the mn10200 kludge. + (combine_regs): Likewise. + + * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H). + * cse.c: Include "basic-block.h". + (struct table_elt): New field REGCOST. + (CHEAP_REG): Delete macro. + (COST): Return 0 for REGs. + (approx_reg_cost_1, approx_reg_cost, preferrable): New functions. + (notreg_cost): Return 0 for appropriate SUBREGs. + (COSTS_N_INSNS): Return N * 2. + (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap + SUBREGs. + (CHEAPER): Use new function preferrable. + (insert): Initialize REGCOST member. + (find_best_addr): Use approx_reg_cost for estimation of register + usage. + (cse_insn): Likewise. + * loop.c (iv_add_mult_cost): New function. + (add_cost, shift_cost, mult_cost): Delete variables. + (init_loop): Don't initialize add_cost; reduce copy_cost by half. + (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost. + Make code that detects autoinc opportunities slightly less optimistic. + (simplify_giv_expr): If expression contains other reg that is also a + giv, only increment benefit if this is the only use of that reg. + (consec_sets_giv): Take that change into account. + (combine_givs): Slightly more verbose output. + + * i386.h (RTX_COSTS): For MULT, return true cost of multiplication, + not the cost of an equivalent shift. + * sh-protos.h (addsubcosts): Declare. + * sh.c (addsubcosts): New function. + * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0. + (RTX_COSTS): Tweak. Use addsubcosts. + (ADDRESS_COST): Return higher cost for reg+reg addressing. + +2000-09-06 Geoff Keating <geoffk@cygnus.com> + + * config/rs6000/rs6000.c (validate_condition_mode): New function. + (branch_comparison_operator): Call validate_condition_mode to + abort rather than returning 0. + (branch_positive_comparison_operator): New function. + (scc_comparison_operator): Call validate_condition_mode to abort + rather than returning 0. + (ccr_bit): Call validate_condition_mode. Update for + new branch scheme. + (print_operand): Delete %C modifier. Update %E case + to use EQ bit not SO bit. + (rs6000_reverse_condition): New function. + (rs6000_generate_compare): New function. + (rs6000_emit_sCOND): New function. + (rs6000_emit_cbranch): New function. + (output_cbranch): The length of a long branch insn is + now only 8 bytes. Add validate_condition_mode. Use + rs6000_reverse_condition. Remove cror generation. + + * config/rs6000/rs6000.h: Update comments. + (PREDICATE_CODES): Add new predicate. Update codes used + by branch_comparison_operator and scc_comparison_operator. + * config/rs6000/rs6000-protos.h: Add prototypes for + new external functions. + * config/rs6000/rs6000.md: Add new scheduling parameters + for cr_logical instructions. Change length of branch + instructions. + (bCOND patterns): Call rs6000_emit_cbranch. + (sCOND patterns): Call rs6000_emit_sCOND. + (branch patterns): Change lengths to 4. + (cr logical patterns): New. + +2000-09-06 Richard Henderson <rth@cygnus.com> + + * config/i386/i386.md (call_pop): Fix test for setting + current_function_uses_pic_offset_table. + (call, call_value_pop, call_value): Likewise. + +2000-09-06 Zack Weinberg <zack@wolery.cumb.org> + + * timevar.c (timevar_add): Delete. + (timevar_get): Also count time since the selected timer was + last updated. Do not examine the timevar stack if the + selected timer is standalone. + +2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca> + + * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend. + +2000-09-05 Jason Merrill <jason@redhat.com> + + * c-decl.c (finish_incomplete_decl): Don't call complete_array_type + for 'extern' arrays. + +2000-09-05 Richard Henderson <rth@cygnus.com> + + * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium. + Eliminate final copy from non-trapping case. + (__divdf3, __divsf3): Likewise. + +2000-09-05 Richard Henderson <rth@cygnus.com> + + * config/ia64/ia64.md (mulhi3): Fix typo last change. + * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise. + +2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net> + + * Makefile.in: Restructure bootstrap stages to allow clean + restart after failure. + +2000-09-05 Richard Henderson <rth@cygnus.com> + + * config/ia64.md (movsi and movdi patterns): Allow moves from + 8-bit constants to AR registers. + +2000-09-05 Richard Henderson <rth@cygnus.com> + + * config/ia64/ia64.md (mulhi3): New. + +2000-09-05 Richard Henderson <rth@cygnus.com> + + * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove. + * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64 + Optimization Guide, minimum latency alternative. + (__moddi3, __udivdi3, __umoddi3): Likewise. + (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise. + +2000-09-05 Bruce Korb <bkorb@gnu.org> + + * fixinc/fixincl.c (load_file): always read header files + with sizes that are a multiple of the page size. + & use libiberty's getpagesize for determining that. + +2000-09-05 Alexandre Oliva <aoliva@redhat.com> + + * gcse.c (hash_string_1): Add prototype. + * cse.c (canon_hash_string): Likewise. + +2000-09-04 Craig Newell <CraigN@ieee.org> + + * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it. + +2000-09-04 Andreas Schwab <schwab@suse.de> + + * Makefile.in (STAGESTUFF): Remove libgcc. + (stage1-start, stage2-start, stage3-start): Copy the contents of + the libgcc directory explicitly. + (mostlyclean): Clean libgcc. + +2000-09-04 Andrew Haley <aph@redhat.com> + + * dwarf2out.c: (stack_adjust_offset): New prototype. + +Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz> + + * combine.c (make_extraction): Fix rtx_cost comparison to + match the comment. + +Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz> + + * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf, + umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1): + Add '*' to insn pattern name. + +2000-09-04 Jakub Jelinek <jakub@redhat.com> + + * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context, + use posn - 1 to index into tokens array. + (maybe_paste_with_next): Adjust caller. + +2000-09-03 Geoff Keating <geoffk@cygnus.com> + + * invoke.texi: Document the -mvxworks option for rs6000 ELF. + + * config/rs6000/rs6000.h: Update various comments about XER_REGNO. + (REGNO_REG_CLASS): Use symbolic register + names. + +2000-09-03 Richard Earnshaw <rearnsha@arm.com> + + * arm.c (final_prescan_insn): If the form of a jump insn isn't + recognized, don't try to conditionally execute it. + +Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru> + + * config/avr/avr.md ("*tablejump_lib"): New pattern. + (call_value_insn): Right length claculation. + (call_insn): Likewise. + +2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl> + + * config/avr/avr-protos.h, config/avr/avr.c (unique_section, + gas_output_limited_string, gas_output_ascii, output_movqi, + output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr, + out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf, + out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out, + ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out, + lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf, + out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info): + Add "const" as needed to remove warnings. + + * config/avr/avr.c (avr_override_options, avr_init_once, + function_prologue, function_epilogue, frame_pointer_required_p, + class_likely_spilled_p, order_regs_for_local_alloc, + avr_address_cost, avr_ret_register): Use K&R style arguments. + (initial_elimination_offset, gas_output_limited_string): + Remove ATTRIBUTE_UNUSED from the used arguments. + (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf): + Use local variables src, dest, base to access operands[]. + Rename reg_dest to reg_src if that's what it is. + (output_movhi, output_movsisf): Optimize loading 8-bit immediate + constants to LD_REGS if reg_was_0. + (output_reload_insisf): Change arg 3 to insn length and set it. + (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient + access to 16-bit I/O register pairs. + (avr_address_cost): Lower cost for the above case. + (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand + may be clobbered, also for LD_REGS. + (adjust_insn_length): Correct insn length for iorhi3 and iorsi3 + with a CONST_INT. + + * config/avr/avr.h (PTRDIFF_TYPE): Make signed. + + * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS + macro to test_hard_reg_class function. + (*movsi, *movsf): Change "cc" attribute from "clobber" to "none" + for loading immediate constants to LD_REGS. + (andsi3, cmphi, cmpsi): Add return statements to avoid warnings. + + +Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl> + + * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__ + * config/avr/libgcc.S: Lost part of the previous patch. + +2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca> + + * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t + object before calling pthread_mutex_init. + +2000-09-02 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm, + config/sh/crtn.asm: New files. + * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set. + (crt1.o, crti.o, crtn.o): New targets. + * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added + sh/t-elf. + * configure: Rebuilt. + * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, + STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define. + * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): + Undefine for config/elfos.h to redefine. + (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h. + +2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp> + + * config/sh/sh-protos.h (nonpic_symbol_mentioned_p, + legitimize_pic_address, output_pic_addr_const): Declare. + * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register. + (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise. + (TARGET_SWITCHES): New switch -mprefergot. + (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot. + (PIC_OFFSET_TABLE_REGNUM): Define. + (GOT_SYMBOL_TABLE): Likewise. + (LEGITIMIZE_ADDRESS): Use legitimize_pic_address. + (ENCODE_SECTION_INFO): Define. + (FINALIZE_PIC): New macros. + (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro. + (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const. + * config/sh/sh.c (print_operand_address): Use output_pic_addr_const. + (prepare_move_operands): Call emit_pic_move or + emit_pic_const_move if appropriate. + (output_far_jump): For PIC, use braf and output long offset. + (machine_dependent_reorg): + (sh_expand_prologue): Save and initialize the PIC register. + (sh_expand_epilogue): Restore it. + (initial_elimination_offset): Account for it. + (nonpic_symbol_mentioned_p): New function. + (legitimize_pic_address): Likewise. + (output_pic_addr_const): Likewise. + * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns. + (call, call_value): Use them. + (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg, + symPLT_label2reg): New expands. + * invoke.texi (SH Options): Document -mprefergot. + +2000-09-01 Alexandre Oliva <aoliva@redhat.com> + + * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro. + * gcse.c (hash_string_1): New function. + (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number. + (expr_equiv_p) <ASM_OPERANDS>: Likewise. + * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS. + (canon_hash_string): New function. + (canon_hash) <ASM_OPERANDS>: Disregard filename and line number. + (exp_equiv_p) <ASM_OPERANDS>: Likewise. + (fold_rtx): Use ASM_OPERANDS accessor macros. + * emit-rtl.c (copy_insn_1): Likewise. + * integrate.c (copy_rtx_and_substitute): Likewise. + * stmt.c (expand_asm_operands): Likewise. Give an + ASM_OPERANDS rtx the mode of the output reg being set from it. + +2000-09-01 Fred Fish <fnf@be.com> + + * fix-header.c (write_rbrac): Add putc and getc to list of + functions to protect against prior definition as a macro. + +2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE. + (c_size_type_node): Define. + * c-decl.c (init_decl_processing): Initialize c_size_type_node. + * c-common.c (enum format_lengths, enum format_std_version, + format_length_info, format_type_detail, BADLEN, NOLENGTHS, + format_kind_info, printf_length_specs, scanf_length_specs, T89_I, + T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL, + T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD, + T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI, + TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM, + format_types): Define. + (format_char_info, print_char_table, scan_char_table, + time_char_table): Rearrange for new organization of information + about format length modifiers and standard versions. + (T_ST): Redefine to use c_size_type_node. + (check_format_info): Obtain information about length modifiers and + standard versions from tables. Adjust warning message wordings. + Use the name from the user's program for `ll' and `hh' length + modifiers in warning messages. Use more informative names for + wanted types where available (for wchar_t, wint_t, size_t, signed + size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t). + +2000-09-01 Jim Wilson <wilson@cygnus.com> + + * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN. + * combine.c (distribute_notes): Handle REG_NORETURN. + * rtl.c (reg_note_name): Add REG_NORETURN. + * rtl.h (enum reg_note): Likewise. + + * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from + ia64_file_start. + * config/ia64/ia64.c (emit_safe_across_calls): Likewise. + (rtx_needs_barrier): Handle unspec_volatile 8 and 9. + (emit_predicate_relation_info): Handle conditional calls with + REG_NORETURN. + * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls + instead of ia64_file_start. + * config/ia64/sysv4.h (ASM_FILE_START): Likewise. + * config/ia64/ia64.md (safe_across_calls_all, + save_across_calls_normal): New patterns. + + * loop.c (check_final_value): Check for biv use before checking for + giv use. Check for both biv and giv uses. Always set last_giv_use + if there is a giv use. + +2000-09-01 Richard Henderson <rth@cygnus.com> + + * config/ia64/ia64.md (mulsi3): Use grfr_register_operand. + (madddi3): Likewise. + (maddsi3): New. + +Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (clear_storage): Don't use emit_move_insn unless + either BLKmode or proper size. + (store_constructor): Don't call clear_storage if REG of wrong size. + + * flow.c (init_propagate_block_info): Don't mark frame dead at end + of function if returns wiht stack pointer depressed. + +2000-09-01 Andrew Haley <aph@redhat.com> + + * dwarf2out.c (stack_adjust_offset): New function. + (dwarf2out_stack_adjust): Break out stack adjust logic into + new stack_adjust_offset function. Look inside parallels and + sequences for stack adjustments. + +2000-08-31 Jeff Law <law@cygnus.com> + + * arm.md: Use no_new_pseudos to determine when it is safe + to create new pseudo registers. + + * arm.c (legitimize_pic_address): Use no_new_pseudos to determine + when we can safely allocate new registers. + +2000-08-31 Geoffrey Keating <geoffk@cygnus.com> + + * stmt.c (expand_asm_operands): Twiddle generating_concat_p + so that CONCATs are not generated for ASMs. + * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when + not generating_concat_p. + * function.c (pop_function_context_from): Reset + generating_concat_p. + (prepare_function_start): Likewise. + * rtl.c (generating_concat_p): Define. + * rtl.h (generating_concat_p): Declare. + * toplev.c (rest_of_compilation): No CONCATs after RTL generation. + +2000-08-22 Philipp Thomas <pthomas@suse.de> + Masanobu Yuhara <yuhara@flab.fujitsu.co.jp> + + * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them + for translation. + +2000-08-30 Greg McGary <greg@mcgary.org> + + * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh + * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC). + * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE. + +2000-08-30 Greg McGary <greg@mcgary.org> + + * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct. + (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct. + (TREE_INT_CST): New macro. + * varasm.c (const_hash, compare_constant_1, record_constant_1): + Use new macro TREE_INT_CST. + +Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net> + + * contrib.texi: Add self. + +2000-08-30 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns. + (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps + and labels. + +2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca> + + * fixinc/gnu-regex.c: Don't define `const'. + +Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (store_constructor): Allow variable bounds of array type. + (expand_expr): Don't blow up if type is ERROR_MARK. + * varasm.c (output_constructor): Don't access lower bound of array + type unless need it if index is supplied (so it can be a variable + if no index is supplied). + Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS. + Other minor cleanups. + +2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca> + + * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS + for compilations in stage 1 and subsequent stages, respectively. + * configure.in (vax): Add compiler-dependent CFLAGS for stage 1. + * configure: Rebuilt. + * x-vax, x-vax-gcc: Deleted. + +2000-08-29 Zack Weinberg <zack@wolery.cumb.org> + + * c-common.c (declare_function_name): Use func_id_node, + function_id_node, and pretty_function_id_node. Do not make + __func__ visible at file scope. + * c-common.h (c_tree_index): Add CTI_FUNCTION_ID, + CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID. + (function_id_node, pretty_function_id_node, func_id_node): New + macros. + * c-decl.c (init_decl_processing): Initialize function_id_node, + pretty_function_id_node, and func_id_node. + (c_make_fname_decl): Correct comment. + + * tree.h (struct tree_identifier): Constify pointer member. + + * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *. + * c-pragma.h (struct weak_syms): Constify name and value members. + (add_weak): Constify arguments. + + * calls.c (special_function_p): Constify a char *. + (expand_call): Remove variable which is initialized and then + never used. + * dependence.c (struct def_use, struct induction, struct subscript): + Constify 'variable' member. + (get_low_bound, have_induction_variable): Constify char * argument. + (find_induction_variable): Add braces to avoid dangling else. + (classify_dependence): Constify char * arrays. + * profile.c (output_func_start_profiler): Constify a char *. + * stor-layout.c (finalize_record_size): Constify a char *. + * tree.c (is_attribute_p): Constify a char *. + * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument. + + * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code + for comprehensibility. Do not call get_identifier if we did + not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to + create temporary string constants, not ggc_alloc_string. No + need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const + char * to hold IDENTIFIER_POINTERs. + +2000-08-29 Richard Henderson <rth@cygnus.com> + + * config/ia64/ia64.md (muldi3): Use grfr_register_operand + for the inputs. + +2000-08-29 Richard Henderson <rth@cygnus.com> + + * reload.c (push_secondary_reload): Allow class == reload_class + if we're using a reload_in/out pattern. + + * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use + the half that does not conflict with the reload register. + (reload_outti): Likewise. + +2000-08-29 Kazu Hirata <kazu@hxi.com> + + * reload.c: Fix formatting. + + * stmt.c: Fix formatting. + + * gcc.c: Fix formatting. + +2000-08-29 Zack Weinberg <zack@wolery.cumb.org> + + * flags.h (time_report, mem_report): New global flags. + * toplev.c: Define time_report and mem_report. + (f_options): Add -ftime-report and -fmem-report. + (compile_file): Turn on time_report if quiet_flag is off. + Call ggc_print_statistics at very end if mem_report is on. + * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag. + + * ggc-common.c (ggc_print_statistics): Rename to + ggc_print_common_statistics; all callers changed. Scale + quantities above 10K to kilobytes and above 10M to megabytes. + * ggc-page.c (ggc_page_print_statistics): Rename to + ggc_print_statistics. Report memory consumed by internal data + structures for each allocation bucket. Scale quantities above + 10K to kilobytes and above 10M to megabytes. + * ggc-simple.c: Prototype debug_ggc_tree to avoid warning. + Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning. + Define tally_leaves always. + (ggc_print_statistics): New function. + * ggc.h: Adjust for renamed functions. + +Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru> + + * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to + output_movsisf instead of which_alternative. + + * config/avr/avr.c (output_reload_inhi): Check for NULL ponter. + +Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl> + + * config/avr/avr-protos.h: (avr_output_ascii) Removed. + (avr_progmem_p): New prototype. + (output_movsisf): Prototype declaration changed. + (output_movqi): New prototype. + (output_movhi): New prototype. + (call_insn_operand): Likewise. + (final_prescan_insn): Likewise. + (avr_simplify_comparision_p): Likewise. + (avr_normalize_condition): Likewise. + (compare_eq_p): Likewise. + (out_shift_with_cnt): Likewise. + (const_int_pow2_p): Likewise. + (output_reload_inhi): Prototype declaration changed. + + * config/avr/avr.c: (debug_hard_reg_set): Prototype declared. + (ldi_reg_rtx): New. rtx for r31. + (avr_init_stack): Initialize as "__stack". + (function_prologue): Use it. + Replace all TARGET_ENHANCED with AVR_ENHANCED. + (avr_mcu_name): Initialize as "avr2". + (avr_enhanced_p, avr_mega_p): New variables. + (mcu_types, avr_override_options): Handle all known MCU types. + Also handle avr1 (only preprocess, assemble and link). + (print_operand): Using of `%K' in output template removed. + (out_movqi_r_mr): Optimized. + (out_movhi_r_mr): Likewise. + (output_movqi): New function. + (output_movhi): Likewise. + (out_movsi_r_mr): Optimized. + (output_movsisf): Compute insn length for `adjust_insn_length' + (out_movqi_mr_r): Optimized. + (out_movhi_mr_r): Optimized. + (adjust_insn_length): Use output_movsisf, output_movqi, + output_movhi for insn length adjusting. + (reg_unused_after): Use dead_or_set_p. + (preferred_reload_class): Now haven't any restriction. + (reg_was_0): New function. + (io_address_p): Likewise. + (const_int_pow2_p): Likewise. + (output_reload_inhi): Likewise. + (output_reload_insisf): Likewise. + + * config/avr/avr.h (MULTILIB_DEFAULTS): Define. + (LIB_SPEC): Use -lc for all supported devices. + (LIBGCC_SPEC): Use -lgcc for all supported devices. + (AVR_MEGA): Define as avr_mega_p. + (AVR_ENHANCED): New, define as avr_enhanced_p. + (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=... + (CPP_SPEC, LINK_SPEC): Handle all known MCU types. + (CRT_BINUTILS_SPECS): Handle all known MCU types. + Rename gcrt1-*.o to make file names unique on 8.3 filesystems. + (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC. + (ASM_SPEC): Pass -mmcu=... to the assembler. + Change all -DAVR_* to -D__AVR_*__. + (INIT_TARGET_OPTABS), config/avr/libgcc.S: + Rename library functions to start with two underscores. + (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid + alignment. + (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)). + (SUPPORTS_WEAK): Likewise. + (LDI_REG_REGNO): New. Register r31 will be used as temporary + register for loading constants to r0-r14. + + * config/avr/avr.md: Replace all TARGET_ENHANCED with + AVR_ENHANCED. + (*mov_r_sp): Removed. Handled by output_movhi. + (*mov_sp_r): Likewise. + (*mov_sp_r_no_interrupts): Likewise + (*mov_sp_r_tiny): Likewise. + (*movqi): Use output_movqi. + (*reload_inqi): New. + (*movhi): Use output_movhi. + (*reload_inhi): New. + (*negsi2): Optimized. + (*negsf2): Likewise. + Added peepholes (define_peephole2) for loading constants to r0-r14 + and for using `cpse' command. + + * config/avr/libgcc.S: Rename library functions to start with two + underscores. + Add support for enhanced core. + (_moqhi3): Fix typo, now _modqi3. + (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word. + (__prologue_saves__): Remove test for stack adjust by 0. + (__tablejump__): New. + + * config/avr/t-avr: Build libgcc2 with -mcall-prologues. + Add multilib support. + +Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com) + + * loop.c (prescan_loop): Don't check unknown_address_altered + when deciding if insert_loop_mem is safe. Add BLKmode MEMs + to loop_store_mems as necessary. + (loop_invariant_p): Don't check unknown_address_altered + or unknown_constant_address_altered. + +2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca> + + * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns. + +2000-08-29 Zack Weinberg <zack@wolery.cumb.org> + + * cpperror.c (print_file_and_line): If line is (unsigned int)-1, + print just the filename. + * cpplex.c (_cpp_run_directive): Add additional argument, the + name to give the synthetic buffer. This defaults to + translated "<command line>". + * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert): + Adjust to match. + (_cpp_define_builtin): New function. + * cppinit.c (initialize_builtins): Use _cpp_define_builtin. + * cpphash.h: Update prototypes. + + * tradcpp.c (main): Process -D and -U simultaneously, in the + order they appeared on the command line. + +2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-decl.c (define_label): Call warning_with_file_and_line and + error_with_file_and_line instead of plain warning or error. + + * c-parse.in (label): Use save_filename/save_lineno to ensure + correct values for calls to define_label. + +2000-08-29 Mark Mitchell <mark@codesourcery.com> + + * calls.c (expand_call): Don't create a VAR_DECL just to throw it + away. + * expr.c (expand_expr, case TARGET_EXPR): Don't call + mark_addressable. + * tree.h (get_file_function_name): Remove two duplicate + declarations. + +2000-08-28 Kazu Hirata <kazu@hxi.com> + + * tree.c: Fix formatting. + + * xcoffout.c: Fix formatting. + +2000-08-28 Jason Merrill <jason@redhat.com> + + * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer. + +2000-08-28 Daniel Berlin <dberlin@redhat.com> + + * dwarf2out.c (dwarf2out_finish): Don't bother calling + break_out_includes if it won't do anything. + +2000-08-28 Richard Henderson <rth@cygnus.com> + + * reload.c (push_secondary_reload): Revert 2000-08-16 change. + (find_reloads): Likewise. + * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change. + (reload_inhi): Likewise. + +2000-08-28 Richard Henderson <rth@cygnus.com> + + * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined. + (call_insn_operand): Don't expect a surrounding mem. + (constant_call_address_operand): Likewise. + * config/i386/i386.h (PREDICATE_CODES): Update. + * config/i386/i386.md (call patterns): Move the match_operand + for the call destination inside the mem. + +2000-08-28 Richard Henderson <rth@cygnus.com> + + * local-alloc.c (requires_inout): Don't use reserved range for + EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER. + * recog.c (asm_operand_ok): Likewise. + (preprocess_constraints, constrain_operands): Likewise. + * regclass.c (record_reg_classes): Likewise. + * reload.c (find_reloads): Likewise. + * reload1.c (maybe_fix_stack_asms): Likewise. + (reload_cse_simplify_operands): Likewise. + * stmt.c (expand_asm_operands): Likewise. + + * md.texi: Update constraints documentation. + * tm.texi (EXTRA_CONSTRAINT): Update. + +2000-08-28 Daniel Berlin <dberlin@redhat.com> + + * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__". + (print_die): If we don't know the offset of the + target die, try the symbol. Add a trailing newline. + (reverse_all_dies): New fn. + (dwarf2out_finish): Call it. + (break_out_includes): Reorganize for clarity. + (add_sibling_attributes): Don't call reverse_die_lists. + (output_comp_unit): Rename from output_comdat_comp_unit. Use for + primary CU, too. + * flags.h: Add flag_eliminate_dwarf2_dups. + * toplev.c (f_options): Support -feliminate-dwarf2-dups. + +2000-08-28 Jason Merrill <jason@redhat.com> + + * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags. + * dwarf2out.c: #include "md5.h". + (DIE_LABEL_PREFIX): New macro. + (dw_val_struct): Add 'external' flag to val_die_ref. + (add_AT_die_ref, AT_ref): Adjust. + (AT_ref_external, set_AT_ref_external): New fns. + (build_abbrev_table): Call set_AT_ref_external. + (value_format): Call AT_ref_external. + (die_struct): Add die_symbol field. + (new_die): Clear it. + (dwarf_tag_name): Handle BINCL/EINCL. + (dwarf2out_start_source_file): Add BINCL DIE. + (dwarf2out_end_source_file): Add EINCL DIE. + (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns. + (loc_checksum, attr_checksum, die_checksum): New fns. + (is_type_die, is_comdat_die, is_symbol_die): New fns. + (compute_section_prefix, assign_symbol_names): New fns. + (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns. + (output_die): Call output_die_symbol and AT_ref_external. + (output_comdat_comp_unit): New fn, split out from... + (dwarf2out_finish): ...here. Also call add_sibling_attributes for + secondary CUs. + (output_pubnames, output_aranges): Abort if we see entries from + secondary CUs. + * toplev.h: Declare file_name_nondirectory. + * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend. + (rest_of_type_compilation): Call dwarf2out_decl if at toplevel. + (debug_start_source_file): Call dwarf2out_start_source_file + regardless of debug verbosity. + (debug_end_source_file): Similarly. + * tree.h: Declare clean_symbol_name. + * tree.c (clean_symbol_name): Split out from... + (get_file_function_name_long): ...here. + + * dwarf2out.c (new_loc_descr): Use calloc. + (splice_child_die): Remove the die from the right parent. + (gen_struct_or_union_die): Don't add AT_name to a specification DIE. + +Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * toplev.c (decode_g_option): Don't give warning for unknown -g + option; return 0 instead. + (main): If -g option is not recognized by front end or + language-independent code, give warning. + +2000-08-28 Greg McGary <greg@mcgary.org> + + * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl. + * config/i386/i386.c (ix86_expand_compare): Remove `static'. + * config/i386/i386.md (trap, conditional_trap): New insn & expand. + +2000-08-27 Greg McGary <greg@mcgary.org> + + * cpplex.c (parse_string): Don't look for backslash + before first char in `namebuf'. + * loop.c (strength_reduce): Skip NOTEs. + +2000-08-27 Jason Merrill <jason@redhat.com> + + * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear + DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or + TREE_ASM_WRITTEN, either. + (finish_decl): Adjust. + +2000-08-28 Philipp Thomas <pthomas@suse.de> + + * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as + they have been incorporated into the gettext CVS. Change the text to + reflect the current status of NLS. Add instructions for accessing + the gettext CVS and add the patch from Martin v. Loewis. + +2000-08-27 Geoff Keating <geoffk@cygnus.com> + + * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe + by using gen_lowpart_common. + (movdi_internal64+6): Likewise. + +2000-08-26 Alexandre Oliva <aoliva@redhat.com> + + * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION): + Document. + + * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register + numbers to the ranges used by GDB. + +2000-08-25 Richard Henderson <rth@cygnus.com> + + * config/ia64/ia64.h (struct machine_function): Add n_varargs. + * config/ia64/ia64.c (ia64_compute_frame_size): Use it. + (ia64_expand_prologue): Likewise. + (ia64_setup_incoming_varargs): Set it. Properly skip the current + argument for stdargs. + +2000-08-25 Jason Merrill <jason@redhat.com> + + * integrate.c (expand_inline_function): Pull out the original decl. + +2000-08-25 Jim Wilson <wilson@cygnus.com> + + * cse.c (cse_insn): Don't pass label subtraction to force_const_mem. + + * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl. + +2000-08-25 Greg McGary <greg@mcgary.org> + + * flow.c (dump_edge_info): Use ARRAY_SIZE. + * config/alpha/alpha.c (alpha_expand_block_move): Likewise. + +2000-08-25 Richard Earnshaw <rearnsha@arm.com> + + * arm.h (STRUCT_VALUE): Define to 0, not NULL. + +Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com) + + * i386.c (ix86_find_base_term): New. + * i386-protos.h (ix86_find_base_term): Prototype. + * i386.h (FIND_BASE_TERM): Define. + * alias.c (find_base_term): Use it. + * tm.texi (FIND_BASE_TERM): Document it. + + * alias.c (true_dependence, write_dependence_p): Unchanging + memory can't conflict with non-unchanging memory. + + * alias.c (memrefs_conflict_p): A BLKmode reference + to a symbol (or CONST_INT address) always conflicts + with a reference to another symbol. + +2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (time_char_table): Don't allow width and flags with + "z" format. + +2000-08-25 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same + way as LT and LTU when the second operand has 0 in low word. + +2000-08-26 Michael Hayes <mhayes@cygnus.com> + + * basic-block.h (struct loop): Rename `exits' field to + `exit_edges'. Add `entry_edges' and `num_entries' fields. + + * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find. + (flow_loop_entry_edges_find): Add. + (flow_edge_list_print): Rename from flow_exits_print. + (flow_loops_find): Call flow_loop_entry_edges_find. + (flow_loop_dump): Dump entry_edges list. + (flow_loops_free): Free entry_edges. + +2000-08-26 Michael Hayes <mhayes@cygnus.com> + + * loop.c (loop_dump_aux, debug_loop): New functions. + (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros. + + * flow.c (flow_loops_dump): Add callback parameter. + (flow_loop_dump): Add callback parameter and call it. Move + loop note debugging code to loop_dump_aux. + + * basic-block.h (flow_loop_dump): Add callback parameter + (flow_loops_dump): Likewise. + + * toplev.c (rest_of_compilation): Add NULL callback function pointer + to call to flow_loops_dump. + +2000-08-26 Michael Hayes <mhayes@cygnus.com> + + * loop.c (count_loop_regs_set): Replace start and end arguments + with loop argument. All callers udated. + +2000-08-26 Michael Hayes <mhayes@cygnus.com> + + * loop.c (constant_high_bytes): Delete. + +2000-08-26 Michael Hayes <mhayes@cygnus.com> + + * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT + and NOTE_INSN_LOOP_VTOP to... + (find_and_verify_loops) ...here. + +Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com> + + * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default. + (fini_dummy, init_dummy): Use it. + +Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net> + + * cpplex.c (is_macro_disabled): Caller has already checked + that we're not a preprocessed file. + +2000-08-24 Mark Mitchell <mark@codesourcery.com> + + * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o. + (c-iterate.o): Remove target. + * gcc/c-common.h (enum rid): Remove RID_ITERATOR. + * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators. + (finish_decl): Don't handle iterators. + (grokdeclarator): Likewise. + * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords. + * gcc/c-gperf.h: Regenerated. + * gcc/c-iterate.c: Removed. + * gcc/c-lex.c (init_lex): Don't handle iterators. + * gcc/c-parse.in (primary): Remove pop_iterator_stack call. + (compstmt_primary_start): Remove push_iterator_stack call. + (stmt): Don't allow iterator statements. Replace iterator_expand + with expand_expr_stmt. + (all_iter_stmt): Remove. + (all_iter_stmt_simple): Likewise. + (all_iter_stmt_with_decl): Likewise. + * gcc/c-tree.h (ITERATOR_P): Remove. + (ITERATOR_BOUND_P): Likewise. + (init_iterators): Remove declaration. + (iterator_expand): Likewise. + (iterator_for_loop_start): Likewise. + (iterator_for_loop_end): Likewise. + (iterator_for_loop_record): Likewise. + (push_iterator_stack): Likewise. + (pop_iterator_stack): Likewise. + * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P. + (readonly_warning): Likewise. + * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it. + +2000-08-24 Jim Wilson <wilson@cygnus.com> + + * c-common.c (decl_attributes, case A_ALIGN): Revert last change. + Copy type in a TYPE_DECL, just like pushdecl does. + +2000-08-24 Richard Henderson <rth@cygnus.com> + + * toplev.c (main): Enable flag_reorder_blocks at -O2. + +2000-08-24 Zack Weinberg <zack@wolery.cumb.org> + + * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're + asked for one page, allocate GGC_QUIRE_SIZE of them and put + the extras on the free list. + (release_pages): Clean up. + (ggc_set_mark): Don't adjust G.allocated here... + (sweep_pages): ... do it here. + +2000-08-24 Zack Weinberg <zack@wolery.cumb.org> + + * cppfiles.c (read_include_file): Rearrange initializations. + +2000-08-24 Richard Henderson <rth@cygnus.com> + + * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X. + + * config/ia64/ia64-protos.h: Update. + * config/ia64/ia64.c (gr_register_operand): New. + (fr_register_operand, grfr_register_operand): New. + (gr_nonimmediate_operand, grfr_nonimmediate_operand): New. + (grfr_reg_or_8bit_operand): New. + (gr_reg_or_0_operand): Rename from reg_or_0_operand and + use gr_register_operand. + (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise. + (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise. + (gr_reg_or_8bit_and_adjusted_operand): Likewise. + (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise. + (fr_reg_or_fp01_operand): Likewise. + (not_postinc_memory_operand): New. + (ia64_split_timode): Remove unused variables. + (rtx_needs_barrier): Check arguments to cmpxchg. + (builtin_description): Remove. + (bdesc_2argsi, bdesc_2argdi): Remove. + (ia64_init_builtins): Declare all builtins directly. + (ia64_expand_fetch_and_op): Rewrite to be called from + ia64_expand_builtin directly. Use expand_binop and co. + (ia64_expand_op_and_fetch): Likewise. + (ia64_expand_compare_and_swap): Likewise. + (ia64_expand_binop_builtin): Remove. + (ia64_expand_lock_test_and_set): New. + (ia64_expand_lock_release): New. + (ia64_expand_builtin): Use them. + * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New. + (EXTRA_CONSTRAINT): Use it. + (PREDICATE_CODES): Update. + * config/ia64/ia64.md (*): Use gr_register_operand and co. + (mf): Indicate that we set memory as well as use it. + (fetchadd_acq_si): Show memory being modified as well. + (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise. + (val_compare_and_swap_si, val_compare_and_swap_di): Remove. + (lock_test_and_set_si, lock_test_and_set_di): Remove. + (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove. + (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove. + (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove. + (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove. + (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove. + (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove. + (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove. + (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove. + * config/ia64/ia64intrin.h (*): Cast result to the appropriate + return type. Pretty print definitions. + +2000-08-24 Jim Wilson <wilson@cygnus.com> + + * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if + we have a SYMBOL_REF with SYMBOL_REF_FLAG set. + +2000-08-24 Jason Merrill <jason@redhat.com> + + * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, + AT_loc, AT_addr, AT_lbl): Abort on unsuitable input. + (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag, + get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails. + +2000-08-24 Greg McGary <greg@mcgary.org> + + * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab, + and extendtab within their proper array boundaries. + * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds + for the entire array. + + * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE. + * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise. + * config/avr/avr.c (order_regs_for_local_alloc): Likewise. + * config/fr30/fr30.c (fr30_print_operand): Likewise. + * config/i386/dgux.c (output_options): Likewise. + * config/i386/dgux.h (ASM_FILE_START): Likewise. + * config/m88k/m88k.c (output_options): Likewise. + * config/m88k/m88k.h (ASM_FILE_START): Likewise. + * config/mcore/mcore.c (mcore_output_inline_const_forced, + layout_mcore_frame, handle_structs_in_regs): Likewise. + * config/mips/mips.c (output_block_move): Likewise. + * config/rs6000/rs6000.c (rs6000_override_options, + rs6000_file_start): Likewise. + * config/sparc/sparc.c (sparc_add_gc_roots): Likewise. + * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise. + * fixinc/fixtests.c (TEST_TABLE_CT): Likewise. + * builtins.c (expand_builtin_setjmp): Likewise. + * expr.c (safe_from_p): Likewise. + * flow.c (life_analysis): Likewise. + * fold-const.c (size_int_type_wide): Likewise. + * gcc.c (translate_options, init_spec, set_spec, main): Likewise. + * genattrtab.c (make_length_attrs): Likewise. + * genopinit.c (gen_insn): Likewise. + * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise. + * global.c (global_alloc): Likewise. + * local-alloc.c (find_free_reg): Likewise. + * mips-tdump.c (print_symbol): Likewise. + * mips-tfile.c (parse_def, parse_input): Likewise. + * reload1.c (NUM_ELIMINABLE_REGS): Likewise. + * stmt.c (expand_nl_goto_receiver): Likewise. + * stor-layout.c (set_sizetype): Likewise. + * varasm.c (decode_reg_name): Likewise. + * toplev.c (decode_f_option, decode_W_option, + set_target_switch, print_switch_values): Likewise. + (NUM_ELEM): Remove macro. + (display_help, main): s/NUM_ELEM/ARRAY_SIZE/ + +2000-08-24 Greg McGary <greg@mcgary.org> + + * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'. + (MAIN_NAME_P, main_identifier_node): New macros. + * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node. + * c-decl.c (start_decl, grokdeclarator, start_function, + store_parm_decls, finish_function): Use MAIN_NAME_P. + * config/avr/avr.c (function_prologue, function_epilogue): Likewise. + * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise. + * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise. + * config/pdp11/pdp11.c (output_function_prologue): Likewise. + +2000-08-24 Greg McGary <greg@mcgary.org> + + * cppfiles.c (actual_directory): Don't write beyond `dir' + when it contains "". + * real.c (asctoeg): Stay within bounds of etens[][]. + +2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * dependence.c (dependence_string, direction_string, + dump_one_node, dump_node_dependence): Hide unused identifiers. + (get_low_bound, normalize_coefficients): Match definition to + static prototype. + (get_one_coefficient): Initialize variables `value0_is_idx' and + `value1_is_idx'. + (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED. + (ziv_test): Delete variable `idx', use parameter `sub' instead. + (direction_merge): Avoid automatic aggregate initialization. + (have_dependence_p): Use `src' not `dest' to set `src_idx'. + Initialize variables `dest_idx' and `src_idx'. + (end_dependence_analysis): Avoid C89 style function definition. + +2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (time_char_table): Don't allow width with %F. + (check_format_info): Don't allow "Z" length with scanf. + +2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com> + + * diagnostic.c (finish_diagnostic): Define. + (output_do_printf): Use wrap_text instead of output_add_string. + (default_print_error_function): Avoid embedded '\n'. + + * diagnostic.h (flush_diagnostic_buffer): Declare. + +2000-08-23 Alexandre Oliva <aoliva@redhat.com> + + * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'. + +2000-08-23 Hans-Peter Nilsson <hp@axis.com> + + * Makefile.in (GCC_PASSES): Add specs. + +2000-08-23 Jim Wilson <wilson@cygnus.com> + + * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New. + * config/ia64/frame-ia64.c (__get_personality): Return zero if neither + EHANDLER nor UHANDLER bit is set. + (__get_except_table): Likewise. + +2000-08-23 Nick Clifton <nickc@redhat.com> + + * config/arm/lib1funcs.asm: Replace upper case condition codes + with lower case versions. + + * config/arm/arm.h (STRUCT_VALUE): Define. + (STRUCT_VALUE_REGNUM): Delete. + +2000-08-23 Zack Weinberg <zack@wolery.cumb.org> + + * cpphash.h (IN_I): New flag for directive table. + * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and + #pragma with IN_I. + (_cpp_check_directive): If -fpreprocessed, execute directives + marked with IN_I. Issue no warnings in this case. + * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed. + +2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (print_char_table): Allow 'I' flag with %d, %i and + %u. + (check_format_info): Support printf 'I' flag; warn about it with + -pedantic. + +2000-08-23 Richard Earnshaw (rearnsha@arm.com) + + * arm.c (arm_expand_prologue): Ensure that the stack-adjustment + barrier can't be ignored by the alias analysis code. + +2000-08-12 Eli Zaretskii <eliz@is.elta.co.il> + + * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it + works inside fixincl. + +Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com> + + * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to + simplify_relational_operation() unless both operands are of + VOIDmode. + * cse.c (fold_rtx): Likewise. + +Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com) + + * rtlanal.c (rtx_unstable_p): The pic register is stable + (within one function) and the actual rtx should be used + when checking the registers. + (rtx_addr_can_trap_p): Pic memory addresses can't trap. + + * alias.c (true_dependence, write_dependence_p): Fix + bug in previous patch. + + * i386.c (ix86_GOT_alias_set): New. + (legitimize_pic_address): Use it. + + * rtlanal.c (rtx_unstable_p): An unchanging MEM is + only stable if its address is stable. + (rtx_varies_p): An unchanging MEM can't vary if + its address doesn't vary. + +2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-parse.in (unop +): Restrict -Wtraditional warnings to user code. + +2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca> + + * vax.h (ASM_SPEC): Pass `-J' to assembler. + * x-vax-gcc: New file for bootstrapping with gcc. + * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'. + * configure.in: Use x-vax-gcc with gcc. + * configure: Rebuilt. + +Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk> + + * toplev.c (rest_of_compilation): Rebuild label notes after + post-reload splitting pass if new labels have been created. + +2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com> + + * diagnostic.h (output_buffer_state): New macro. + * diagnostic.c (diagnostic_for_decl, sorry, + default_print_error_function, output_do_verbatim, + report_diagnostic, report_problematic_module): Use it. + (wrap_text): Tweak. + (output_format): Use wrap_text instead of maybe_wrap_text. + +2000-08-22 Nick Clifton <nickc@redhat.com> + + * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro. + Common code for ARM divide and modulus functions. + (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of + ARM_DIV_MOD_BODY. + (FUNC_END): New macro: Common code at the end of the division and + modulo functions. + (THUMB_FUNCTION_START): New macro: Common code at the start of + Thumb functions. + (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros. + +Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp> + + * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing. + + * config/sh/sh.c (prepare_scc_operands): Apply force_reg to + sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't + const0_rtx. + +2000-08-22 Nick Clifton <nickc@redhat.com> + + * config/arm/lib1funcs.asm (__umodsi3): Before performing any + restorative additions, test for bottom bits of IP being set, + rather than relying upon the RORs not matching. + (__modsi3): Ditto. + +2000-08-22 David Edelsohn <edelsohn@gnu.org> + + * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or + text_section() as appropriate instead of emitting text csect + pseudo-op directly. + (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment. + (UNIQUE_SECTION): Define macro. + (ASM_OUTPUT_SECTION_NAME): Define macro. + * rs6000.c (rs6000_override_options): Disable -ffunction-sections + on AIX if debugging and -fdata-sections always. + +2000-08-22 Steven King <sxking@uswest.net> + + * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double + machinery. + (LDBL_MAX): Same here. + +2000-08-22 Richard Henderson <rth@cygnus.com> + + * flow.c (tidy_fallthru_edge): Update b->end properly. + +2000-08-22 Stan Cox <scox@redhat.com> + + * Makefile.in (OBJS): Add dependence.o. + * dependence.c: New file. + +2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca> + + * calls.c (check_sibcall_argument_overlap_1): Adjust for + ARGS_GROW_DOWNWARD. + (check_sibcall_argument_overlap): Likewise. + +2000-08-22 Alexandre Oliva <aoliva@redhat.com> + + * invoke.texi (SH Options): Document -m4-nofpu, + -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd, + -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace. + +2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (check_format_info): Give the 'some locales' warning + for strftime %Ey rather than the unconditional 'only last 2 digits + of year' one. + +2000-08-22 Richard Henderson <rth@cygnus.com> + + * alias.c (init_alias_analysis): Do not register + struct_value_incoming_rtx or static_chain_rtx as pointing + to stack memory. + +Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com) + + * protoize.c (munge_compile_params): Fix typo and formatting buglets. + +2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com> + + * diagnostic.h (report_problematic_module): Declare. + * diagnostic.c (report_problematic_module): New function. + (report_error_function): Tweak. + +Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * stmt.c (expand_goto_internal, fixup_gotos): Only check + TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE. + +2000-08-21 Richard Henderson <rth@cygnus.com> + + * flow.c (calculate_global_regs_live): Mark frame pointer live + everywhere before reload. + +2000-08-21 Jim Wilson <wilson@cygnus.com> + + * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle + INTEL_EXTENDED_IEEE_FORMAT. + (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally + clear last two bytes of output FP value. + +2000-08-21 Graham Stott <grahams@cygnus.co.uk> + + * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL. + +2000-08-21 Jakub Jelinek <jakub@redhat.com> + + * unroll.c (loop_find_equiv_value): If ret is modified between + insn and loop_start, ret might not be equivalent to reg. + +2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (init_dollar_format_checking, + maybe_read_dollar_number, finish_dollar_format_checking): New + functions. + (dollar_arguments_used, dollar_arguments_count, + dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned): + New variables. + (check_format_info): Support $ formats for scanf and printf width + and precision. Always increment format_chars to advance past the + '*' of precision, not just when the format parameters are + available to check. + +2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * mips.c (block_move_loop, expand_block_move, + function_arg_partial_nregs, save_restore_insns, function_prologue, + mips_expand_prologue, RA_MASK): Avoid using the `U' integer + constant suffix. + (function_arg_advance, function_arg): Match argument to format + specifier `%p'. + +2000-08-21 Nix <nix@esperi.demon.co.uk> + + * gcc.c (do_spec_1): Implement %j spec flag. + Remove dead comment. + + * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET. + * system.h (HOST_BIT_BUCKET): Default to "/dev/null". + * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL". + * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise. + + * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if + writable) instead of hardcoded value. + + * toplev.c (compile_file): Output to a file even if -fsyntax-only. + + * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill + MKTEMP_EACH_FILE. + + * gcc.c (cc1_options): Do not process -o or run the assembler if + -fsyntax-only. + * objc/lang-spec.h: Likewise. + +2000-08-21 Eli Zaretskii <eliz@is.elta.co.il> + + * fixinc/fixincl.c (fix_with_system): Pipe the output of + "external" fixes through `cat', to avoid truncating the input + file by redirection. + +2000-08-21 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.md (lea_general_1): Copy insn condition to split + condition. + (lea_general_2, lea_general_3): Likewise. + +2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional + warnings to user code. + + * c-lex.c (readescape, yylex): Likewise. + + * c-typeck.c (store_init_value, process_init_element): Likewise + (c_expand_start_case): Format. + +2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl> + + * mips/linux.h (LINK_SPEC): Use %(endian_spec). + + * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC + and linker_endian_spec to endian_spec. + (ENDIAN_SPEC): Add %{EB} and %{EL}. + (LINK_SPEC): Remove %{EB} and %{EL}. + (ASM_SPEC): Likewise. Use %(endian_spec). + +2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-tree.h (flag_hosted): Move declaration from here... + * c-common.h (flag_hosted): ... to here. + (flag_noniso_default_format_attributes): New declaration. + * c-decl.c (flag_noniso_default_format_attributes): New variable. + (c_decode_option): Set it appropriately for options choosing + language standard variant. + * c-common.c (init_function_format_info): Only provide default + format attributes if flag_hosted. Only provide the gettext + formats if flag_noniso_default_format_attributes. Update + comments. + (check_format_info): Disable treatment of %a as a scanf flag in + C99 mode. + +2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (scan_char_table): Add 'w' to flags for all formats + except 'n'. + (check_format_info): Set 'wide' for scanf format widths. Warn for + a zero scanf width. Make the check for writing into a constant + object at the first level of indirection; at later levels, warn if + any type qualifiers are encountered. + +Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com) + + * reload.c (reload_inner_reg_of_subreg): New function broken out of + push_reload. + (push_reload): Use reload_inner_reg_of_subreg. + (combine_reloads): Do not combine reloads if the input reload + is a SUBREG in which the inner part will need reloading. + + * global.c (global_alloc): Avoid passing dumpfile argument to + reload routines. + * toplev.c (rest_of_compilation): Likewise. + * reload.h (reload): Remove dumpfile argument. Callers changed. + (debug_reload, debug_reload_to_stream): Move prototypes here. + * rtl.h (reload): Remove dumpfile argument. + * reload.c (debug_reload): Remove prototype. + (debug_reload_to_stream): Likewise. + * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file + instead. + +2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com> + + * diagnostic.c (context_as_prefix): Export. + (need_error_newline): Remove. + (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects. + (error_module_changed, record_last_error_module, + error_function_changed, record_last_error_function): New functions. + (initialize_diagnostics): Default initialize + lang_diagnostic_starter, lang_diagnostic_finalizer. + (init_output_buffer): Tweak. + (file_name_as_prefix): New function. + (announce_function, default_print_error_function, + report_error_function, set_diagnostic_context): Tweak. + +2000-08-21 Richard Earnshaw <rearnsha@arm.com> + + * flow.c (init_propagate_block_info): Handle SUBREG in a jump + condition expression. + +2000-08-20 Richard Henderson <rth@cygnus.com> + + * flow.c (merge_blocks_nomove): Don't seek back past the bb note. + +2000-08-20 Zack Weinberg <zack@wolery.cumb.org> + + * cppinit.c (cpp_init): Set global flag when called. + (cpp_reader_init): Bomb out if cpp_init hasn't been called. + +Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su> + + * cpplex.c (cpp_scan_buffer): Move `output_line_command' just + before `process_directive' so that newlines won't be missed + for directives. + (cpp_printf): Increment `print->lineno' when newline is emitted. + + * cppmain.c (cb_ident): Likewise. + (cb_define): Likewise. + (cb_undef): Likewise. + (cb_include): Likewise. + (cb_def_pragma): Likewise. + (dump_macros_helper): Likewise. + +2000-08-20 Richard Henderson <rth@cygnus.com> + + * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc + assigned before a loop. + + * config/ia64/ia64.md (ashlsi3): Zero extend the shift count. + (ashrsi3, lshrsi3): Likewise. + +2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com> + + * c-lang.c: #include diagnostic.h + (c_tree_printer): New function. + (lang_init): Initialize lang_printer. + + * Makefile.in (c-lang.o): Depends on diagnostic.h + +2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com> + + * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. + + * diagnostic.c (default_diagnostic_starter, + default_diagnostic_finalizer): New functions. + (diagnostic_for_asm, diagnostic_for_decl): Tweak. + (pedwarn, pedwarn_with_file_and_line, error, + error_with_file_and_line, fatal, warning, + warning_with_file_and_line): Adjust call to report_diagnostic. + (report_diagnostic): Rework. + (set_diagnostic_context): New function. + + * diagnostic.h (struct diagnostic_context): New data structure. + (diagnostic_message, diagnostic_argument_list, + diagnostic_file_location, diagnostic_line_location, + diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer, + diagnostic_finalizer, diagnostic_auxiliary_data): New macros. + (set_diagnostic_context): Declare. + (report_diagnostic): Change prototype. + +Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net> + + * fix-header.c (main): Initialize cpplib. + +2000-08-19 Michael Meissner <meissner@redhat.com> + + * ifcvt.c (find_if_block): Do not assume that a THEN block has any + instructions in it before checking for indirect jumps. + + * ifcvt.c (find_if_block): Do not consider a THEN block that ends + in a indirect jump as a potential for conditional execution. + + * d30v.h (d30v_init_expanders): Don't declare here. + * d30v-protos.h (d30v_init_expanders): Declare here with a valid + prototype. + +Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net> + + * cpp.texi: Add @section for assertions. + +Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com) + + * loop.c (scan_loop): Use CONST_CALL_P instead of + checking for REG_LIBCALL / REG_RETVAL. + +Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com) + + * reload1.c (reload_as_needed): Accept dumpfile argument, + pass it to emit_reload_insns. + (emit_reload_insns): Add new dumpfile argument. If non-null + then dump the reloads for each insn into the dumpfile. + (reload): Pass dumpfile to reload_as_needed. + + * invoke.texi: Clean up linux-gnu vs linux comments. + +2000-08-19 Richard Henderson <rth@cygnus.com> + + * config/ia64/ia64.c (reg_or_5bit_operand): New. + (ia64_depz_field_mask): New. + * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New. + (PREDICATE_CODES): Update. + * config/ia64/ia64.md: Update commentary. + (depz_internal): New. + (ashlsi3): Implement directly. + (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants. + (ashldi3): Use shladd. + * config/ia64/ia64-protos.h: Update. + +2000-08-18 Zack Weinberg <zack@wolery.cumb.org> + + * toplev.c (independent_decode_option): Always process -g. + Remove third argument, now unused. Adjust caller to match. + +2000-08-18 Richard Henderson <rth@cygnus.com> + + * combine.c (make_compound_operation): Break after creating + the extraction. + +2000-08-18 Zack Weinberg <zack@wolery.cumb.org> + + * cpplib.c (cpp_register_pragma_space): Just return if the + namespace is already registered. + +2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com> + + * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a + constant amount. Do not generate ROTL instruction. + +Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com> + + * config/sh/elf.h: Do not include sh/sh.h. + * config/sh/rtems.h: Likewise. + * config/sh/rtemself.h: Do not include sh/elf.h. + * configure.in: Get them included with `tm_file's. + * configure: Rebuilt. + + * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify. + * config/sh/sh.c (fpscr_set_from_mem): Use them. + +Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * stor-layout.c (compute_record_type): Don't use mode of single + field as mode of record if not integer mode of same type. + + * regmove.c (perhaps_ends_bb_p): New function. + (optimize_reg_copy_1, optimize_reg_copy_2): Call it. + (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise. + (fixup_match_1): Likewise. + (fixup_match_1, combine_stack_adjustments_for_block): Add casts to + avoid signed/unsigned warnings. + + * function.c (fixup_var_refs_1, case MEM): Update CODE after + updating X. + +Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net> + + * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS. + (_cpp_trigraph_map): Declaration moved from cpplex.c + + * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1 + instead of 256. Use consistent test for designated initializers. + (cpp_init): Initialize trigraph_map. + (initialize_standard_includes, parse_option): Use memcmp + instead of strncmp. + + * cpplex.c (init_trigraph_map): Remove. + (trigraph_ok, trigraph_replace, lex_line): Refer to + _cpp_trigraph_map. + + * cpplib.c (str_match, WARNING, ERROR, ICE): Delete. + (do_unassert): Remove unused "next" local. + + * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype. + +2000-08-18 Emmanuel Marty <emarty@suntech.fr> + + * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return + insn. + +2000-08-17 Richard Henderson <rth@cygnus.com> + + * config/ia64/ia64.c (spill_restore_mem): Handle emitting + the first insn in a sequence. + +Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com) + + * alias.c (true_dependence, write_dependence_p): A read + involving a label_ref or the constant pool doesn't create + a dependency. + + * rtl.h (unchanging): Improve documentation. + +2000-08-17 Rodney Brown <RodneyBrown@mynd.com> + + * cse.c (insert_regs): Remove unused `regno'. + +2000-08-17 Neil Booth <NeilB@earthling.net> + + * (cppinit.c) merge_include_chains: Use remove_dup_dir, + remove_dup_dirs. If qtail == brack, remove brack not + qtail. + (remove_dup_dir, remove_dup_dirs): New functions. + +2000-08-17 Neil Booth <NeilB@earthling.net> + + * cppinit.c (cpp_cleanup): Free include dir chains. + * cpplib.c (do_undef): Let _cpp_free_definition make the node void. + (do_unassert): Free the assert with _cpp_free_definition. + * cppmacro.c (_cpp_free_definition): Free memory allocated for + assertions. Make the node a T_VOID node. + +2000-08-17 Neil Booth <NeilB@earthling.net> + + * cppinit.c (path_include, append_include_chain): + Remove 2nd parameter (struct cpp_pending *). + (path_include, initialize_standard_includes, cpp_handle_option): + Update callers appropriately. + (cpp_handle_option): Use pend. + +2000-08-17 Neil Booth <NeilB@earthling.net> + + * cppinit.c (sort_options): Remove, put functionality in + cpp_init. + (cpp_init): New. + (initialize_builtins): Free memory. + (cpp_start_read): Move init_IStable to cpp_init. + + * cpplib.h (cpp_init): New prototype. + * cppmain.c (main): Call cpp_init. + +Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com) + + * rtlanal.c (rtx_unstable_p): Use CONSTANT_P. + (rtx_unstable_p, rtx_varies_p): Process vectors. + +2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp> + + * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all + references to GLOBAL symbols. Use LOCAL where appropriate. + +2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always + use t-aix41 when host == target. + +2000-08-16 Richard Henderson <rth@cygnus.com> + + * reload.c (push_secondary_reload): Revert last change. + If we use a reload_in/out pattern, make the when the same + as the primary reload. + (find_reloads): Likewise. + +2000-08-16 Manfred Hollstein <manfredh@redhat.com> + + * configure.in (libstdcxx-v3): Fix test. + * configure: Regenerate. + +Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * calls.c (calls_function_1, expand_call): Only test + TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE. + * function.c (thread_prologue_and_epilogue_insns): Likewise. + +2000-08-16 Richard Henderson <rth@cygnus.com> + + * combine.c (simplify_shift_const): Revert previous two + changes. If SHIFT_COUNT_TRUNCATED, crop the shift count + before the main loop. + +2000-08-15 Richard Henderson <rth@cygnus.com> + + * combine.c (simplify_shift_const): Bound shift count when + combining shifts. + +Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * calls.c (ECF_SP_DEPRESSED): New macro. + (calls_function_1): Treat calling sp-depressed function as alloca. + (emit_call_1): Don't adjust SP if calling sp-depressed function. + (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED. + If sp-depressed, ensure block saves and restores SP. + * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE + for INTEGER_TYPE. + * function.c (keep_stack_depressed): New function. + (thread_prologue_and_epilogue_insns): Call it. + * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED + to print DECL_OFFSET_ALIGN. + Print no-force-blk and transparent-union flags properly. + * stmt.c (expand_goto_internal): Don't restore stack if last block + and function returns with sp depressed. + (fixup_gotos): Likewise. + (save_stack_pointer): New function, from code in expand_decl. + (expand_decl): Call new function. + * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK. + (TYPE_RETURNS_STACK_DEPRESSED): New macro. + (save_stack_pointer): New declaration. + + * diagnostic.c (fatal_function): New variable. + (set_fatal_function): New function. + (fatal): Call it. + * diagnostic.h (set_fatal_function): New declaration. + +2000-08-15 William Cohen <wcohen@redhat.com> + + * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined. + (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info. + (DWARF2_ASM_LINE_DEBUG_INFO): Defined. + +2000-08-15 Richard Henderson <rth@cygnus.com> + + * flow.c (mark_used_reg): Set reg_cond_reg appropriately. + +2000-08-15 Richard Earnshaw <rearnsha@arm.com> + + * arm.c (arm_function_ok_for_sibcall): New function. + * arm.h (FUNCTION_OK_FOR_SIBCALL): Define. + * arm.md (call expanders): Don't check here for calls that can't + be sibling calls. + +2000-08-15 Richard Earnshaw <rearnsha@arm.com> + + * arm.md (splits generating cond_exec): Disable. + +2000-08-15 Richard Earnshaw <rearnsha@arm.com> + + * arm/linux-elf.h (text_section): Delete declaration. + +2000-08-15 Richard Earnshaw <rearnsha@arm.com> + + ARM support for unordered FP operations. + * arm-protos.h (arm_comparison_operator): Declare. + * arm.c (arm_comparison_operator): New function. + (arm_select_cc_mode): Add unordered comparison codes. + (get_arm_condition_code): Likewise. + (arm_final_prescan_insn): Can't handle unordered jumps that can't + be done in one insn. + * arm.h (PREDICATE_CODES): Add arm_comparison_operator. + * arm.md (all uses of comparison_operator): Replace with + arm_comparison_operator. + (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New + expands. + (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New + patterns. + +Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com> + + * gthr-posix.h: Conditionally include <sched.h>; include + <config.h> from libobjc/. + +2000-08-14 Richard Henderson <rth@cygnus.com> + + * config/i386/i386.c (legitimize_pic_address): Use Pmode + for all CONSTs. + +2000-08-14 Richard Henderson <rth@cygnus.com> + + * configure.in (ia64-*): Set float_format for i386 long double. + + * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT + as we would for i386 XFmode. + (PUT_REAL): Likewise. + (endian, ereal_atof, real_value_truncate): Likewise. + (ereal_isneg, toe64, etens, make_nan): Likewise. + * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise. + + * config/ia64/ia64-protos.h: Update. + * config/ia64/ia64.c (general_tfmode_operand): New. + (destination_tfmode_operand): New. + (tfreg_or_fp01_operand): New. + (ia64_split_timode): New. + (spill_tfmode_operand): New. + (ia64_expand_prologue): Use TFmode not XFmode. + (ia64_expand_epilogue): Likewise. + (ia64_function_arg): Likewise. + (ia64_function_arg_advance): Likewise. + (ia64_return_in_memory): Likewise. + (ia64_function_value): Likewise. + (ia64_print_operand): Likewise. + (ia64_register_move_cost): Set GR<->FR to 5. + (ia64_secondary_reload_class): Get GR for TImode memory op. + * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove. + (ROUND_TYPE_ALIGN): Remove. + (LONG_DOUBLE_TYPE_SIZE): Set to 128. + (INTEL_EXTENDED_IEEE_FORMAT): Define. + (HARD_REGNO_NREGS): Use TFmode, not XFmode. + (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs. + (MODES_TIEABLE_P): Use TFmode, not XFmode. + (CLASS_MAX_NREGS): Likewise. + (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks. + (PREDICATE_CODES): Update. + * config/ia64/ia64.md (movti): New. + (movti_internal): Use a clobber for memory alternatives. + (reload_inti, reload_outti): New. + (movsfcc_astep): Predicate properly. + (movdfcc_astep): Likewise. + (movxf): Remove. + (movtf): New. + (extendsftf2, extenddftf2): New. + (trunctfsf2, trunctfdf2): New. + (floatditf2, fix_trunctfdi2): New. + (floatunsditf2, fixuns_trunctfdi2): New. + (addtf3, subtf3, multf3, abstf2): New. + (negtf2, nabstf2, mintf3, maxtf3): New. + (maddtf3, msubtf3, nmultf3, nmaddtf3): New. + (cmptf): New. + (fr_spill): Use TFmode, not XFmode. + (fr_restore): Likewise. + * config/ia64/lib1funcs.asm (__divtf3): New. + * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it. + +2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cse.c (fold_rtx): Avoid empty body in an if-statement. + + * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the + `U' integer constant suffix. + + * dwarf2out.c (add_subscript_info): Avoid empty body in an + else-statement. + + * sparc/sol2.h (__enable_execute_stack): Prototype. + +2000-08-14 David Edelsohn <edelsohn@gnu.org> + + * collect2.c: Remove use of AIX import file. + + * longlong.h: Test ARCH_PWR not ARCH_POWER. + + * rs6000.c (print_operand, case 'E'): Add else. + +2000-08-14 Richard Henderson <rth@cygnus.com> + + * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address. + (movdi_symbolic): New. + +2000-08-14 Jim Wilson <wilson@cygnus.com> + + * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic + to GNU as. For Intel as, pass -M const_gp and -M no_plabel. + * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic + to GNU as. + +2000-08-14 Richard Henderson <rth@cygnus.com> + + * expr.c (emit_group_load): Don't force constants into registers. + Special case source already in the correct mode. + +2000-08-14 Zack Weinberg <zack@wolery.cumb.org> + + * configure.in: Accept *-*-linux* not just *-*-linux-gnu*. + * fixinc/inclhack.def: Likewise. + * fixinc/mkfixinc.sh: Likewise. + * configure: Regenerate. + * fixinc/fixincl.x: Regenerate. + * install.texi: Document equivalence of linux and linux-gnu. + +Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk> + + * cse.c (insert_regs): Also in REG case: When finding an invalid + value, and we make a new quantity, make sure that it won't be + mistaken by for a valid one by mention_regs. + +2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de> + + * h8300.md: Remove obsolete peepholes. + +2000-08-13 Kazu Hirata <kazu@hxi.com> + + * invoke.texi (H8/300 Options): Fix typos. + * config/h8300.c: Fix formatting. + * config/h8300.h: Fix comment typos. + (OVERRIDE_OPTIONS): Fix formatting. + + * function.c: Fix formatting. + + * cse.c: Fix formatting. + +2000-08-13 Geoff Keating <geoffk@cygnus.com> + + * flow.c (attempt_auto_inc): Remove unused variable `bb'. + (attempt_auto_inc): Suppress parentheses warning. + * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'. + * loop.c (load_mems): Remove `u' suffix in two places. + * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from + hex constants. + * config/rs6000/rs6000.h: Likewise. + * config/rs6000/sol-c0.c: Prototype some functions. Remove the + __eabi dummy routine. + * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused + variable `buf_ptr'. + + * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to + not put stuff in .sdata unnecessarily. + (rs6000_unique_section): New function. + * config/rs6000/rs6000-protos.h: Add rs6000_unique_section. + * config/rs6000/sysv4.h (UNIQUE_SECTION): Define. + + * c-typeck.c (build_array_ref): Don't complain about non-lvalue + arrays in C99. Don't try to look at DECL_REGISTER of a + COMPONENT_REF. Don't complain twice about the same error. + + * fixinc/inclhack.def (aix_pthread): New fix. + (aix_sysmachine): New fix. + * fixinc/fixincl.x: Regenerate. + + * expr.c (expand_expr): Call convert_modes when turning a large + multiply into a small one. + +2000-08-12 Geoff Keating <geoffk@cygnus.com> + + * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of + the tree structure an exponent rather than an explicit alignment + so it doesn't overflow. + (SET_DECL_OFFSET_ALIGN): New macro. + * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN + rather than DECL_OFFSET_ALIGN. + (place_field): Likewise. + * expmed.c (store_bit_field): Abort on align==0 to avoid + antisocial machine behaviour. + +2000-08-12 Richard Henderson <rth@cygnus.com> + + * sibcall.c (uses_addressof): Accept both addressof and + current_function_internal_arg_pointer inside a mem. + (optimize_sibling_and_tail_recursive_call): Fail tail recursion + if current_function_uses_addressof. + * stmt.c (expand_return): Kill tail recursion and HAVE_return + optimizations. + +2000-08-11 Richard Henderson <rth@cygnus.com> + + * config/ia64/ia64.md (addsi3): Remove expander. + (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise. + (*addsi3_shladd): New. + +2000-08-11 Richard Henderson <rth@cygnus.com> + + * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander. + (do_restore): Likewise. + (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New. + (ia64_expand_prologue, ia64_expand_epilogue): Use them. + (rtx_needs_barrier): Track actual bit manipulation for + ar.unat moves, gr_spill, and gr_restore. + (emit_insn_group_barriers): Special case gr_spill/gr_restore. + (process_set): Don't handle varargs spills. + * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit + .mem.offset here instead of in process_set. + (gr_restore): Likewise. + +2000-08-11 Richard Henderson <rth@cygnus.com> + + * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode. + +2000-08-11 Mark Elbrecht <snowball3@bigfoot.com> + + * gcc.texi (The Configuration File): Document + COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and + UPDATE_PATH_HOST_CANONICALIZATION. + +2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for + unprototyped function pointer casts on integer constants. + +2000-08-11 Laurynas Biveinis <lauras@softhome.net> + + * fixproto: Recognize DOS paths with drive letters as absolute paths. + +2000-08-11 Nathan Sidwell <nathan@codesourcery.com> + + * extend.texi (Volatiles): Fix typos. + +2000-08-11 Kazu Hirata <kazu@hxi.com> + + * flow.c: Fix formatting. + +2000-08-11 Richard Henderson <rth@cygnus.com> + + * reload.c (push_secondary_reload): When invoking a reload_{in,out} + pattern, always allocate a tertiary scratch register. + + * config/alpha/alpha.md (reload_inqi): Use a DImode scratch. + (reload_inhi): Likewise. + +2000-08-11 Richard Henderson <rth@cygnus.com> + + * function.c (put_reg_into_stack): Allow type to be NULL. + (schedule_fixup_var_refs): Likewise. + (gen_mem_addressof): Allow decl to be NULL. + (put_addressof_into_stack): Likewise. + + * flow.c (merge_blocks_nomove): Be more careful about + locating the beginning of block A. + + * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED. + +Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com> + + * configure.in: + * configure: + * gthr-posix.h: + * config.in: Reverted the check for <sched.h>. + +2000-08-10 Chris Demetriou <cgd@sibyte.com> + + * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New + macros define the name of CTOR and DTOR sections. + (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN, + DTOR_LIST_END): Change to use attributes to specify + sections. + * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME, + (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN, + DTOR_LIST_END): Same as in mips/elf.h. + +2000-08-10 Drew Moseley <dmoseley@redhat.com> + + * config/mn10300/mn10300.h: Added no-crt0 option for explicitly + disabling just crt0.o. + +2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com> + + * arm.h (CPP_SPEC): Use sub-spec cpp_interwork. + (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs. + (EXTRA_SPECS): Add them. + * arm/lib1funcs.asm: Support builds for interworking. + Use macros to eliminate duplicated pieces of code. + +2000-08-10 Kazu Hirata <kazu@hxi.com> + + * h8300.c (expand_a_rotate): New. + (emit_a_rotate): Likewise. + (h8300_adjust_insn_length): Add support for the rotate insns. + * h8300.md (rotlqi3): New. + (*rotlqi3_1): Likewise. + (rotlhi3): Likewise. + (*rotlhi3_1): Likewise. + (rotlhi3): Likewise. + (*rotlhi3_1): Likewise. + * h8300-proto.h: Add prototypes for expand_a_rotate and + emit_a_rotate. + + * h8300.c: Fix comment typos. + (dosize): Declare the variable amount as unsigned. + (get_shift_alg): Fix a comparison between signed and unsigned. + (emit_a_shift): Likewise. + (h8300_adjust_insn_length): Simplify the code. + + * c-decl.c: Fix formatting. + +2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-lex.c (parse_float, yylex): For -Wtraditional, issue a + warning about non-traditional numeric constant suffixes. + + * cppexp.c (parse_number): Likewise. + + * invoke.texi: (-Wtraditional): Document new behavior. + +Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com> + + * gthr-posix.h: Include auto-host.h. Conditionally include + <sched.h>. + * configure.in: Check for the <sched.h> header file. + * config.in: Added define for HAVE_SCHED_H. + +2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-typeck.c (process_init_element): For -Wtraditional, warn about + initialization of unions. + + * invoke.texi (-Wtraditional): Document new behavior. + +2000-08-09 Zack Weinberg <zack@wolery.cumb.org> + + * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE + instead of extra_c_flags. + (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags. + * configure: Regenerate. + * config.in: Regenerate. + + * cpperror.c (cpp_type2name): New function. + * cpplex.c (lex_line): If we issued an error for an invalid + preprocessing directive, discard that logical line. + * cpplib.c (do_line): Call a hook function if the current file + is renamed by #line. + (do_ident): Pass the contents of the string, not the entire + token, to the callback function. + * cpplib.h (CPP_LAST_PUNCTUATOR): New #define. + (cb.rename_file): New hook function. + (cb.ident): Adjust prototype. + (cpp_type2name): Prototype. + * cppmacro.c (dump_macro_args): Correct precedence lossage. + + * cppmain.c (cb_ident): Update for changed interface. + (cb_rename_file): New function. + (main): Set rename callback. + +2000-08-09 Alexandre Oliva <aoliva@redhat.com> + + * caller-save.c (mark_referenced_regs): Mark partially-overwritten + multi-word registers. + +2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (combine_strings, check_format_info): Refer to ISO C + or ISO C89 instead of ANSI C. + * c-decl.c (grokdeclarator, xref_tag, finish_struct, + build_enumerator, do_case): Likewise. + * c-lex.c (parse_float, yylex): Likewise. + * c-parse.in: Likewise. + * c-typeck.c (common_type, build_array_ref, build_binary_op, + build_unary_op, pedantic_lvalue_warning, build_conditional_expr, + build_c_cast, convert_for_assignment, set_init_index, + set_init_label, c_expand_start_case): Likewise. + * toplev.c (documented_lang_options, display_help): Likewise. + +2000-08-08 Kazu Hirata <kazu@hxi.com> + + * h8300.c: Fix formatting. + * h8300.h: Likewise. + * h8300.md: Likewise. + (movsi_h8300hs): Fix formatting of the resulting assembly code. + + * reload1.c: Fix formatting. + +2000-08-08 Rodney Brown <RodneyBrown@mynd.com> + + * alpha/alpha.c (alpha_emit_xfloating_libcall): + Use GEN_CALL_VALUE define. + * alpha/alpha.md (untyped_call): Use GEN_CALL define. + * clipper/clipper.md (untyped_call): Likewise. + * dsp16xx/dsp16xx.md (untyped_call): Likewise. + * fx80/fx80.md (untyped_call): Likewise. + * mips/mips.md (untyped_call): Likewise. + * ns32k/ns32k.md (untyped_call): Likewise. + * pa/pa.md (untyped_call): Likewise. + * romp/romp.md (untyped_call): Likewise. + * sparc/sparc.md (untyped_call): Likewise. + +2000-08-08 Jason Eckhardt <jle@cygnus.com> + + * config/i860/i860.c (singlemove_string): Do not generate assembler + pseudo instructions that must be expanded (that is, with signed + constants larger than 16 bits). + +2000-08-08 Richard Henderson <rth@cygnus.com> + + * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and + PROP_AUTOINC at -O0. Don't collect alias info at -O0. + (init_propagate_block_info): Don't kill memory stores at -O0. + (mark_set_1, mark_used_regs): Likewise. + +2000-08-08 David Edelsohn <edelsohn@gnu.org> + + * rs6000.c (optimization_options): Decorate 'level' as + ATTRIBUTE_UNUSED. + (mask64_operand): Remove sign-extend thinko. + (rldic_operand): New function. + (load_multiple_operation): regno's are unsigned ints. + (store_multiple_operation): Likewise. + (lmw_operation): Likewise. + (stmw_operation): Likewise. + (includes_lshift_p): shift_mask is unsigned int. + (includes_lshift64_p): New function. + (addrs_ok_for_quad_peep): unsigned int reg1. + (print_operand): Consistently add "else" after + output_operand_lossage(). + (print_operand, case 'b'): Fold in case 'W'. + (print_operand, case 'W'): Print rldic MB value. + (output_epilogue): Update Objective-C language string. + (output_toc): unsigned HOST_WIDE_INT low, compare unsigned. + * rs6000.h (PREDICATE_CODES): Add rldic_operand. + * rs6000.md (ashldi3): Add rldic instruction. + (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE". + (cmpsi_internal2, cmpdi_interal2): Use 'b' output template + modifier. + +2000-08-08 Richard Henderson <rth@cygnus.com> + + * config/ia64/ia64-protos.h: Remove duplicates. Update + for massive code rearrangements. + * config/ia64/ia64.c (ia64_arpfs_regno): Remove. + (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove. + (ia64_local_regs, ia64_need_regstk): Remove. + (ar_ccv_reg_operand): New. + (ia64_gp_save_reg): New. + (struct ia64_frame_info): Combine most of the size elements; + add new gr save elements. + (find_gr_spill): New. + (next_scratch_gr_reg): New. + (mark_reg_gr_used_mask): New. + (ia64_compute_frame_size): Rewrite. Allocate special AR regs + to GR backing store regs when possible. + (ia64_initial_elimination_offset): New. + (ia64_rap_fp_offset): Remove. + (save_restore_insns): Remove. + (setup_spill_pointers): New. + (finish_spill_pointers): New. + (spill_restore_mem): New. + (do_spill, do_restore): New. + (ia64_expand_prologue): Rewrite to use them. + (ia64_expand_epilogue): Likewise. + (ia64_direct_return): Update for current_frame_info changes. + (ia64_function_prologue): Simplify .prologue emission. Emit + .spill when needed. + (ia64_setup_incoming_varargs): Don't ever emit rtl. + (ia64_dbx_register_number): New. + (ia64_initialize_trampoline): New. + (ia64_secondary_reload_class): Request GR_REGS for integer + arithmetic destined for FR_REGS. + (ia64_init_machine_status): Don't reset return_address_pointer_rtx. + (ia64_mark_machine_status): Mark ia64_gp_save. + (rws_access_regno): Rename from rws_access_reg; don't treat + predicates specially. + (rws_access_reg): New. Update all callers. + (rtx_needs_barrier): Remove dead unspecs. + (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit. + (ia64_encode_section_info): Silence signed/unsigned warnings. + (spill_offset, sp_offset, spill_offset_emitted): Remove. + (tmp_reg, tmp_saved): Remove. + (process_set): Rewrite to expect complicated bits via + REG_FRAME_RELATED_EXPR. + (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit + in the use of ar.ccv; never set RTX_UNCHANGING_P. + (ia64_expand_op_and_fetch): Likewise. + (ia64_expand_compare_and_swap): Likewise. + (ia64_expand_builtin): Likewise. + * config/ia64/ia64.h (AR_UNAT_REGNUM): New. + (FIRST_PSEUDO_REGISTER): Update. + (AR_M_REGNO_P): Update. + (FIXED_REGS): Don't mark three local registers as used. + (EXTRA_CC_MODES): New. + (SELECT_CC_MODE): New. + (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode. + (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates. + (FRAME_GROWS_DOWNWARD): Unset. + (STARTING_FRAME_OFFSET): Zero. + (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer. + (INITIAL_ELIMINATION_OFFSET): Defer to out of line function. + (HARD_FRAME_POINTER_REGNUM): New. + (CAN_DEBUG_WITHOUT_FP): Define. + (TRAMPOLINE_TEMPLATE): Remove. + (TRAMPOLINE_SIZE): Lower to 32. + (TRAMPOLINE_ALIGNMENT): Lower to 64. + (INITIALIZE_TRAMPOLINE): Defer to out of line function. + (PREDICATE_CODES): Update. + (struct machine_function): Add ia64_gp_save. + * config/ia64/ia64.md: Purge unused unspecs. + (movsi patterns): Allow moves to/from AR_M_REGS. + (movdi patterns): Allow moves to/from p0. + (call patterns): Move most setjmp hackery to ia64_gp_save_reg. + (gr_spill, gr_restore): Indicate ar.unat read/written. + (nonlocal_goto): Don't pass old frame_pointer. + (nonlocal_goto_receiver): Remove. + (exception_receiver): New. + (builtin_setjmp_setup): New. + (builtin_setjmp_receiver): New. + * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle. + (__ia64_nonlocal_goto): Bundle. Don't kill r7. + (__ia64_restore_stack_nonlocal): Likewise. + (__ia64_trampoline): New. + * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line + function. + * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline. + +2000-08-08 Richard Henderson <rth@cygnus.com> + + * frame.h (ia64_frame_state): Add my_psp. + * libgcc2.c (ia64_throw_helper): Add throw_sp argument. + (__throw): Pass it in. Don't clobber r7. + * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline. + (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when + and nothing to do with sp. + (normalize_reg_loc): Use frame->my_psp. + (frame_translate): Handle frame-pointer-less functions. Set + spill_base correctly, in absence of being told. + (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp. + (__ia64_backtrace_helper): New sp argument. Use + builtin_return_address instead of label addresses. + (print_record) [mem_stack_v]: No size member. + +2000-08-08 Richard Henderson <rth@cygnus.com> + + * regclass.c (choose_hard_reg_mode): Iterate over all CC modes. + +2000-08-08 Richard Henderson <rth@cygnus.com> + + * tm.texi (LOCAL_REGNO): Document. + * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default. + (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers. + * reload1.c (reload): Likewise when considering nonlocal labels. + + * config/ia64/ia64.h (LOCAL_REGNO): New. + * config/sparc/sparc.h (LOCAL_REGNO): New. + +2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'. + +2000-08-07 Nick Clifton <nickc@redhat.com> + + * config/mips/mips.c: Fix compile time warning messages. + * config/mips/mips-protos.h: Add prototype for equality_op. + + * mn10300.h (TARGET_SWITCHES): Document `-mam33'. + +2000-08-07 Graham Stott <grahams@cygnus.co.uk> + + * mn10300.md: Use nonimmediate_operand instead of general_operand + on output operands. + + * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads. + +2000-08-07 Alexandre Oliva <aoliva@redhat.com> + + * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards. + * sh.c (expand_block_move): Break long lines. + (expand_ashiftrt, fpscr_set_from_mem): Likewise. + * sh.md (mulsi3): Likewise. + (movdi): Adjust spacing. + +2000-08-07 Richard Henderson <rth@cygnus.com> + + * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P. + * expr.c (emit_group_store): Don't set it. + +2000-08-07 Kazu Hirata <kazu@hxi.com> + + * invoke.texi (Options for Debugging Your Program or GCC): Remove + duplicate entries for 'w' and 'z'. + + * flow.c: Fix a comment typo. + +Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com> + + * c-parse.in: Changed the language string for Objective-C to "GNU + Objective-C". + +Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com> + + * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes + to improve the Posix thread support for Objective-C. + +2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and + CTI_UNSIGNED_PTRDIFF_TYPE. + (signed_size_type_node): Define. + (unsigned_ptrdiff_type_node): Define. + * c-decl.c (init_decl_processing): Create the + signed_size_type_node and unsigned_ptrdiff_type_node types. + * c-common.c (T_SC): Define. + (T_SST): Define. + (T_UPD): Define. + (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for + %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for + %s and %p. + (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for + %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the + flags for %c, %s and %[. + (check_format_info): Only allow leniency for signedness of targets + of character pointers (when pedantic) for formats flagged with + "c", so for strings but not for %hh formats. When pedantic, don't + allow character pointers to substitute for void pointers if a + second level of indirection is present. + +2000-08-06 Kazu Hirata <kazu@hxi.com> + + * invoke.texi (Options for Debugging Your Program or GCC): Update + the names of dump files. + + * h8300.c (dosize): Rearrange code for conciseness. + (split_adds_subs): Likewise. + + * loop.c: Fix formatting. + + * dwarf2out.c: Fix formatting. + + * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo. + + * expr.c: Fix formatting. + +2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * rs6000.c (rs6000_maybe_dead): Prototype. + +2000-08-06 Richard Henderson <rth@cygnus.com> + + * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for + HAVE_nonlocal_goto as well. + * config/i960/i960.md (nonlocal_goto): Don't do it here. + * config/pj/pj.md (nonlocal_goto): Likewise. + +2000-08-07 Michael Hayes <mhayes@cygnus.com> + + * loop.c (try_swap_copy_prop): New function. + (load_mems): Rename copies to load_copies and add new regset + store_copies. Check for sets of shadow registers and mark + in store_copies. Call try_swap_copy_prop for registers + marked in store_copies. + +Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com> + + * objc/objc-act.c: New command line option -fconstant-string-class + to allow specifying a user defined constant string class, + different from NXConstantString. + + * toplev.c: Moved the Objective-C specific options to + objc/lang-options.h. + + * objc/lang-options.h: Moved the Objective-C specific options from + toplev.c. Added -fconstant-string-class. + +2000-08-05 Chris Demetriou <cgd@sibyte.com> + + * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END, + DTOR_LIST_BEGIN, DTOR_LIST_END): change type of + __CTOR_LIST__ from func_ptr array to just func_ptr, to + avoid extra alignment imposed on arrays. + * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END, + DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise. + + * mips.h: Clean up comments and spacing near MASKs. + (TARGET_UNIX_ASM): Delete. + (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV, + MASK_UNINIT_CONST_IN_RODATA): Change values to make mask + values contiguous. + +2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (print_char_table): Add entries for the X/Open ' + format flag (print decimals with locale's thousands grouping + character). Make %C expect wint_t. + (check_format_info): If pedantic, warn when the %n$ operand + number form is used. Allow for the ' flag; warn about it if + pedantic. + +2000-08-05 Zack Weinberg <zack@wolery.cumb.org> + + * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return + type is a float mode, cfun->decl's return type is not, and + TARGET_FLOAT_RETURNS_IN_80387. + +2000-08-04 Andreas Schwab <schwab@suse.de> + + * cppmain.c (cb_def_pragma): Skip the first two tokens from the + token list, which are always `#' and `pragma'. + +2000-08-04 Zack Weinberg <zack@wolery.cumb.org> + + * tree.c (tree_expr_nonnegative_p): Move to... + * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR. + (rtl_expr_nonnegative_p): New. + * tree.h: Add prototype for rtl_expr_nonnegative_p. + + * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM, + CONST_DOUBLE_CHAIN: Move to... + * rtl.h: ...here. Use XCINT/XCEXP. + + * Makefile.in: Remove toplev.o from OBJS. Add rule to make + libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND + variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND + to VOL_FILES. + + * objc/Make-lang.in (cc1obj): Link with $(BACKEND). + +2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * config/c4x/c4x.md (return_indirect_internal): New. + * config/c4x/c4x.c (c4x_expand_epilogue): Use it. + +2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (time_char_table): Mark up formats added in C99 and + make other corrections. %D and %g were added in C99. %Og is an + extension. %EX is permitted. %R, %T, %n, %r, %t were added in + C99. %e was added in C99. %Oj is an extension. %G and %z are in + C99 rather than GNU extensions, but %OG and %Oz are extensions. + %h was added in C99. %C was added in C99. %OY and %OC are + extensions. Add the C99 format %F. + (check_format_info): If pedantic and not in C99 mode, warn for C99 + formats, %E and %O. + +Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk> + + * function.c (schedule_fixup_var_refs): New function, broken out + of put_reg_into_stack. + (put_reg_into_stack): Use it. + (put_var_into_stack): In CONCAT case, fixup up references for + components only after fixing up references to the whole concat. + +2000-08-04 Rodney Brown <RodneyBrown@pmsc.com> + + * alias.c (mark_constant_function): Use INSN_P. + (init_alias_analysis): Likewise. + * combine.c (combine_instructions): Use INSN_P. + (can_combine_p): Likewise. + (try_combine): Likewise. + (distribute_notes): Likewise. + (distribute_links): Likewise. + * cse.c (cse_around_loop): Use INSN_P. + (invalidate_skipped_block): Likewise. + (cse_set_around_loop): Likewise. + (cse_end_of_basic_block): Likewise. + (delete_trivially_dead_insns): Likewise. + * emit-rtl.c (unshare_all_rtl_again): Use INSN_P. + (unshare_all_rtl_1): Likewise. + (next_cc0_user): Likewise. + (try_split make_insn_raw): Likewise. + (remove_unnecessary_notes): Likewise. + * final.c (shorten_branches): Use INSN_P. + (leaf_renumber_regs): Likewise. + (leaf_renumber_regs_insn): Likewise. + * flow.c (find_label_refs): Use INSN_P. + (verify_wide_reg): Likewise. + (notice_stack_pointer_modification): Likewise. + (count_or_remove_death_notes): Likewise. + (verify_flow_info): Likewise. + (clear_log_links): Likewise. + * function.c (fixup_var_refs_insns): Use INSN_P. + (compute_insns_for_mem): Likewise. + * gcse.c (alloc_gcse_mem): Use INSN_P. + (compute_sets): Likewise. + (compute_hash_table): Likewise. + (classic_gcse): Likewise. + (cprop): Likewise. + (insert_insn_end_bb): Likewise. + (delete_null_pointer_checks_1): Likewise. + * global.c (expand_preferences): Use INSN_P. + (build_insn_chain): Likewise. + * graph.c (node_data): Use INSN_P. + * haifa-sched.c (priority): Use INSN_P. + (rm_line_notes): Likewise. + (rm_other_notes): Likewise. + (find_insn_reg_weight): Likewise. + (init_target_units): Likewise. + (schedule_block): Likewise. + (compute_block_forward_dependences): Likewise. + (debug_dependencies): Likewise. + (set_priorities): Likewise. + * integrate.c (function_cannot_inline_p): Use INSN_P. + (save_parm_insns): Likewise. + (copy_insn_list): Likewise. + * jump.c (mark_all_labels): Use INSN_P. + (never_reached_warning): Likewise. + * lcm.c (optimize_mode_switching): Use INSN_P. + * local-alloc.c (validate_equiv_mem): Use INSN_P. + (memref_used_between_p): Likewise. + (update_equiv_regs): Likewise. + (block_alloc): Likewise. + (no_conflict_p): Likewise. + * loop.c (scan_loop): Use INSN_P. + (find_and_verify_loops): Likewise. + (count_loop_regs_set): Likewise. + (loop_reg_used_before_p): Likewise. + (strength_reduce): Likewise. + (recombine_givs): Likewise. + (check_dbra_loop): Likewise. + (load_mems): Likewise. + (try_copy_prop): Likewise. + * print-rtl.c (print_rtx): Use INSN_P. + * recog.c (find_single_use): Use INSN_P. + * reg-stack.c (stack_regs_mentioned): Use INSN_P. + (next_flags_user): Likewise. + (swap_rtx_condition): Likewise. + * regmove.c (mark_flags_life_zones): Use INSN_P. + (optimize_reg_copy_1): Likewise. + (optimize_reg_copy_2): Likewise. + (optimize_reg_copy_3): Likewise. + (reg_is_remote_constant_p): Likewise. + (fixup_match_2): Likewise. + (regmove_optimize): Likewise. + (fixup_match_1): Likewise. + * regrename.c (build_def_use): Use INSN_P. + (replace_reg_in_block): Likewise. + (consider_use): Likewise. + * reload.c (find_equiv_reg): Use INSN_P. + * reload1.c (reload): Use INSN_P. + (maybe_fix_stack_asms): Likewise. + (calculate_needs_all_insns): Likewise. + (reload_as_needed): Likewise. + (emit_output_reload_insns): Likewise. + (delete_address_reloads_1): Likewise. + (reload_cse_regs_1): Likewise. + (reload_combine): Likewise. + (reload_cse_move2add): Likewise. + * reorg.c (redundant_insn): Use INSN_P. + (dbr_schedule): Likewise. + * resource.c (find_dead_or_set_registers): Use INSN_P. + (mark_target_live_regs): Likewise. + * rtlanal.c (reg_used_between_p): Use INSN_P. + (reg_referenced_between_p): Likewise. + (reg_set_between_p): Likewise. + (reg_set_p): Likewise. + (single_set): Likewise. + (multiple_sets): Likewise. + (find_last_value): Likewise. + (reg_set_last): Likewise. + (find_reg_note): Likewise. + (find_regno_note): Likewise. + * sibcall.c (sequence_uses_addressof): Use INSN_P. + * simplify-rtx.c (cselib_process_insn): Use INSN_P. + * ssa.c (find_evaluations): Use INSN_P. + (rename_block): Likewise. + (rename_equivalent_regs): Likewise. + * unroll.c (loop_find_equiv_value): Use INSN_P. + (set_dominates_use): Likewise. + * varasm.c (mark_constant_pool): Use INSN_P. + (mark_constants): Likewise. + * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P. + (alphaev4_next_group): Likewise. + (alphaev5_next_group): Likewise. + * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P. + (c4x_rptb_rpts_p): Likewise. + * config/mips/mips.c (mips16_optimize_gp): Use INSN_P. + * config/rs6000/rs6000.c (uses_TOC): Use INSN_P. + (rs6000_adjust_priority): Likewise. + * config/sh/sh.c (sh_loop_align): Use INSN_P. + (machine_dependent_reorg): Likewise. + (split_branches): Likewise. + * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P. + +Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com) + + * combine.c (recog_for_combine): Remove the old notes + prior to attempting to recognize the new pattern. + (distribute_notes): Ignore REG_NONNEG notes. + +2000-08-04 Chandrakala Chavva <cchavva@redhat.com> + + * varasm.c (output_constructor): Add .align 0 for packed vars. + +2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca> + + * configure.in: Use default thread_file even when enable_threads is + yes or dce because hpux10.20 pa port uses MULTILIB implementation. + * configure: Rebuilt. + + * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo. + +2000-08-04 Donn Terry (donnte@microsoft.com) + + * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR. + +2000-08-04 Mark Elbrecht <snowball3@bigfoot.com> + + * i386/x-djgpp: Delete code that conditionally modifies target_alias. + Delete code that conditionally modifies 'version'. + Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR. + * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro. + * gcc.c (main): Use it. + * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro. + * prefix.c (update_path): Use it. + * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define. + (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'. + (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing + code. + (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true. + (SUBTARGET_SWITCHES): Adjust. + (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before + defining. + (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define. + +2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.h (flag_isoc94): Declare. + * c-decl.c (flag_isoc94): Define. + (c_decode_option): Set flag_isoc94 as appropriate. + * c-common.c (T_PD, T_IM, T_UIM): Define. + (format_char_info): Add tlen and jlen. + (print_char_table): Add entries for %t and %j. Allow %zn. Allow + %F. Allow %lf. + (scan_char_table): Add entries for %t and %j. Allow %F. Allow + %l[. + (time_char_table): Add NULL entries for %t and %j. + (check_format_info): Allow for %t and %j. Warn for %F if pedantic + and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94. + Warn for printf %lf if pedantic and not C99. Don't warn for empty + precision. Allow precision argument to be unsigned int. If + pedantic, warn for %p passed an argument not a pointer to possibly + qualified void or a possibly qualified character type, and for + pointer targets of the wrong sign, except for character pointers. + +2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk> + + * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t. + * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE. + (wint_type_node): Define. + * c-decl.c (WINT_TYPE): Define. + (init_decl_processing): Create the wint_type_node type. + * c-common.c (T_WI): Define. + (print_char_table): Use T_WI for %lc format. + +2000-08-04 Bruce Korb <bkorb@gnu.org> + + * fixinc/: Verified that the MSDOS patch does not break + the UNIX functionality and applied the next three patches + from July: + +2000-07-28 Eli Zaretskii <eliz@is.elta.co.il> + + * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the + output file with the temporary one by appending ".X" to generate + the temporary fuile's name. If the output file already has an + extension, replace it with ".X". + + * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR, + not $DESTDIR, to find applyfix. Use sprintf instead of snprintf; + reallocate the command buffer while copying the command-line + argument. Redirect the output directly to the temporary file, + instead of going through another temporary file. + (process): Close the temporary file before unlinking it. + (machine_matches) [__MSDOS__]: If the machine doesn't match, set + the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag. + (run_compiles): Pass p_fixd argument to machine_matches, as it + expects. + + * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the + environment, assume there are no symlinks in the include + directory. When cleaning up the DONE files, look for them + case-insensitively. Don't try to remove symlinks if they aren't + there. + + * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax; + all callers changed. Declare pz "const char *", to avoid compiler + warnings. + + * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment. + Change prototype of make_raw_shell_str. + +2000-07-27 Eli Zaretskii <eliz@is.elta.co.il> + + * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h". + (initialize) [__MSDOS__]: Use tempnam. + (initialize): Don't use SIGPIPE if it is not defined. + + * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should + return stdout. + +2000-07-25 Bruce Korb <bkorb@gnu.org> + + * fixinc/fix*.[ch]: substantially reworked to make it possible + to run this program without using fork(2) or pipe(2) (i.e. in + a DOS environment). + +2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk> + + * cppdefault.h (WINT_TYPE): Define. + * cppinit.c (builtin_array): Define __WINT_TYPE__. + * tradcpp.c (initialize_builtins): Define __WINT_TYPE__. + * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document. + +Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com> + + * (mips_legitimate_address_p): Don't allow register+offset + if the offset is large and negative, and we are compiling + for 64 bit registers. + +2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * gencodes.c (main): Define CODE_FOR_nothing as the last possible + insn_code_number + 1. + +2000-08-04 Kazu Hirata <kazu@hxi.com> + + * h8300.c (function_prologue): Rearrange code for conciseness. + (function_epilogue): Likewise. + * h8300.h (OK_FOR_U): Fix formatting. + + * cse.c: Fix a comment typo. Fix formatting. + +2000-08-03 Richard Henderson <rth@cygnus.com> + + * config/i386/i386.md (return_indirect_internal): New. + * config/i386/i386.c (ix86_expand_epilogue): Use it. + +2000-08-03 Zack Weinberg <zack@wolery.cumb.org> + + * cpplex.c (parse_name): Might have to glue a CPP_OTHER token + before the name. + (lex_line): Glue @ onto the beginning of identifiers and + string constants, in Objective-C mode. + (output_token, spell_token): Handle CPP_OSTRING. + (can_paste, maybe_paste_with_next): Handle pasting @ onto the + beginning of a NAME or a STRING, in objc mode. + + * cpplib.c (get_define_node): Do not permit identifiers that + begin with @ to be #defined. + * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER. + * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING. + + * c-lang.c, objc/objc-act.c (build_objc_string): Delete. + * c-tree.h (build_objc_string): Delete prototype. + * objc/objc-tree.def: Delete OBJC_STRING_CST. + * c-lex.c (yylex): Use build_string for all three kinds of strings. + + * c-parse.in, objc/objc-act.c: Update commentary. + +2000-08-03 Mark Mitchell <mark@codesourcery.com> + + * extend.texi: Fix typo in last change. + + * extend.texi: Add commentary on statement-expressions and their + interactions with C++. + +2000-08-03 Nick Clifton <nickc@cygnus.com> + + * dwarf2.h (DW_LANG_Java): Change value to 0x000b. + * dwarf.h (LANG_JAVA): Change value to 0x000b. + +2000-08-03 Anthony Green <green@cygnus.com> + + * dwarf2out.c (gen_compile_unit_die): Add java language support. + (add_bound_info): Check for java language. + (is_java): New function. + * dwarfout.c (output_compile_unit_die): Ditto. + * dwarf.h (dwarf_source_language): Add java source language type. + * dwarf2.h (dwarf_source_language): Ditto. + +Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz> + + * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap + operands. + + * i386.c (ix86_expand_branch): Mode of comparison in + IF_THEN_ELSE is VOIDmode. + +Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp> + + * gengenrtl.c, rtl.c: Avoid #elif. + +2000-08-03 Michael Poole <poole@troilus.org> + + * tm.texi (Register Classes): Clarify order of sub-initializers + in REG_CLASS_CONTENTS. + +Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk> + + From SAITOH Masanobu: + * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax. + +2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au> + + * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option + is not supported by tradcpp and isn't actually needed for cygwin. + +2000-08-03 Kazu Hirata <kazu@hxi.com> + + * h8300.c: Fix a comment typo. + * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S. + + * jump.c: Fix formatting. + + * toplev.c: Fix formatting. + +Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com) + + * flow.c (find_auto_inc): Verify that we've got a REG before + peeking at its regno. Fail, don't abort if we can't find + the increment of the desired register. + + * pa.md (shadd height reduction patterns/splitters): Remove. + +2000-08-02 Jim Wilson <wilson@cygnus.com> + + * config/ia64/ia64-protos.h (flag_ssa): Declare. + * config/ia64/ia64.md (movti_internal, movti_internal+1): New. + +2000-08-02 Mark Mitchell <mark@codesourcery.com> + + * dce.c: Remove all uses of assert. + * dwarf2out.c: Likewise. + * dwarfout.c: Likewise. + * ssa.c: Likewise. + +2000-08-02 Zack Weinberg <zack@wolery.cumb.org> + + * gcc.h (lang_specific_driver): Constify second argument. + * gcc.c (translate_options, process_command, main): Likewise. + Constify variables to match. Cast second argument to + pexecute. + + * cppspec.c, gccspec.c: Adjust type of second argument to + lang_specific_driver, and update code as necessary. + +2000-08-02 Jakub Jelinek <jakub@redhat.com> + + * loop.c (scan_loop): Ensure update_end label does not + go away until reg_scan_update is run. + +2000-08-02 Zack Weinberg <zack@wolery.cumb.org> + + * c-common.h: Prototype min_precision and c_build_qualified_type here... + * c-tree.h: ... not here. + * errors.h: Prototype fancy_abort. + + * emit-rtl.c (gen_lowpart_common): Move variable 'c' into + HOST_BITS_PER_WIDE_INT == 64 ifdef block. + * regrename.c (regrename_optimize): Make control flow explicit. + (replace_reg_in_block): Initialize reg_use to 0. + + * i386.c (legitimate_address_p): Rename error label to + report_error to avoid namespace clash. + +2000-08-02 Kazu Hirata <kazu@hxi.com> + + * fold-const.c: Fix formatting. + +Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz> + + * i386.c (legitimate_address_p): Accept other bases than + pic_offset_table_rtx for GOTOFF constructs. + +Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz> + + * i386.md (shift to lea splitter): Use const_int_operand. + +2000-08-02 Zack Weinberg <zack@wolery.cumb.org> + + * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c, + cppspec.c: Do not use 'legal' or 'illegal' in error messages + and comments. + + * cppmain.c (cb_define, cb_undef): Don't generate any output + if not done_initializing. + * cpplex.c (maybe_paste_with_next): When the token after a ## + is an omitted rest argument, only delete the token before it + if that token is a comma. Do not warn about bogus token + pastes for , ## rest_arg. + + * cpp.texi: Update. + * cpp.1: Regenerate. + +2000-08-02 Fred Fish <fnf@be.com> + + * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o + when user gives -p option. Add init_term_dyn.o for BeOS 5.0 + and later. + + * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional + Be directories to search path. + + Remove support for __declspec(dllimport) and __declspec(dllexport). + This is leftover cruft from the earlier BeOS gcc port when BeOS + used Microsoft's PE object file format. + * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o. + * config/i386/t-beos (winnt.o): Remove Makefile frag. + * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove. + (VALID_MACHINE_DECL_ATTRIBUTE): Remove. + (VALID_MACHINE_TYPE_ATTRIBUTE): Remove. + (MERGE_MACHINE_DECL_ATTRIBUTES): Remove. + (REDO_SECTION_INFO_P): Remove. + (ASM_EXPORT_DECL): Remove. + (ASM_DECLARE_FUNCTION_NAME): Remove. + (ASM_DECLARE_OBJECT_NAME): Remove. + (ASM_OUTPUT_ALIGNED_COMMON): Remove. + (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove. + (ASM_OUTPUT_ALIGNED_LOCAL): Remove. + (STRIP_NAME_ENCODING): Remove. + + Remove support for obsolete version of BeOS that is no longer + supported by Be. + * configure.in (i*86-*-beospe*): Remove. + * config/i386/beos-pe.h: Remove. + +2000-08-01 Jeffrey Oldham <oldham@codesourcery.com> + Mark Mitchell <mark@codesourcery.com> + + * Makefile.in (OBJS): Added dce.o. + (ssa.o): Updated target to include ssa.h. + (flow.o): Likewise. + (toplev.o): Likewise. + (dce.o): Created target. + * basic-block.h: Added comments. + (INVALID_BLOCK): Added definition. + (connect_infinite_loops_to_exit): Added declaration. + Moved SSA declarations to ssa.h. + * flow.c: Added inclusion of ssa.h. + (struct depth_first_search_dsS, depth_first_search_ds): + Added definitions. + (compute_immediate_postdominators): Added definition. + (connect_infinite_loops_to_exit): Likewise. + (flow_dfs_compute_reverse_init): Likewise. + (flow_dfs_compute_reverse_add_bb): Likewise. + (flow_dfs_compute_reverse_execute): Likewise. + (flow_dfs_compute_reverse_finish): Likewise. + * rtl.h (rtx/in_struct): Added use to determine insn necessity. + (LABEL_P): Added definition. + (JUMP_P): Likewise. + (NOTE_P): Likewise. + (BARRIER_P): Likewise. + (JUMP_TABLE_DATA_P): Likewise. + (INSN_DEAD_CODE_P): Likewise. + * ssa.c: Replaced inclusions with ssa.h inclusion. + (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h. + (rename_registers): Removed unnecessary variables. + * ssa.h: Created by moving declarations from ssa.c and + basic-block.h. + * timevar.def: Defined TV_DEAD_CODE_ELIM. + * toplev.c: Added ssa.h inclusion. + (dump_file_index): Added DFI_dce. + (dump_file): Added "dce" entry. + Defined flag_ssa. + (f_options): Added dce entry. + * invoke.texi: Document -fdce. Emphasize experimental status of + -fssa. + * dce.c: New file. + +2000-08-01 Zack Weinberg <zack@wolery.cumb.org> + + * cpperror.c (v_message): Split into _cpp_begin_message and + v_message macro. All callers updated. + (_cpp_begin_message): Do inhibit_errors/inhibit_warnings + checks here. + + * cppfiles.c (cpp_syshdr_flags): New function. + (read_include_file): Don't call cpp_output_tokens. Call + enter_file hook. + * cppinit.c (dump_macros_helper): Moved to cppmain.c. + (cpp_reader_init): Don't initialize token_buffer. Call + _cpp_init_internal_pragmas. + (cpp_cleanup): Don't clear token_buffer. + (cpp_start_read): Don't worry about output from -D processing. + Don't call cpp_output_tokens. + (cpp_finish): Don't dump macros here. Don't call + cpp_output_tokens. + * cppmacro.c (_cpp_dump_definition): Rename + cpp_dump_definition. Write directly to a FILE *. + (dump_funlike_macro): Delete. + (dump_macro_args): New. + + * cpplex.c (TOKEN_LEN): Convert to inline function. + (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens, + cpp_scan_line, _cpp_dump_list): Delete. + (cpp_printf, cpp_output_list): New. + (output_line_command): Don't worry about entering or leaving files. + (cpp_scan_buffer): Just output each token as we hit it. + (process_directive): Don't call cpp_output_tokens. + (_cpp_glue_header_name): Don't use token_buffer. + (output_token, dump_param_spelling): Write directly to a FILE *. + + * cpplib.c (pass_thru_directive, dump_macro_name, + pragma_dispatch, do_pragma_gcc): Delete. + (do_define, do_undef, parse_include, do_line, do_ident, do_pragma, + do_pragma_poison, cpp_pop_buffer): Call the appropriate hook + functions. + (do_error, do_warning, pragma_dependency): Call + _cpp_begin_message, then cpp_output_list. + (cpp_register_pragma, cpp_register_pragma_space, + _cpp_init_internal_pragmas): New. + (do_pragma): Walk the pragmas table here. + (do_pragma_once, do_pragma_poison, do_pragma_system_header, + do_pragma_dependency): Return void. + (do_pragma_implementation): Moved to cppmain.c. + + * cpplib.h: Update prototypes. + (struct cpp_reader): Remove printer, token_buffer, + token_buffer_size, and limit. Add struct cb, and pragmas. + (struct cpp_printer): Remove last_id and written. + (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN, + CPP_ADJUST_WRITTEN): Delete. + * cpphash.h: Update prototypes. + (ufputs): New wrapper. + + * cppmain.c (cb_define, cb_undef, cb_include, cb_ident, + cb_enter_file, cb_leave_file, cb_def_pragma): New functions. + (main): Set up callbacks. Register #pragma implementation. + Dump macros from here. + +2000-08-01 Geoff Keating <geoffk@cygnus.com> + + * rtl.h (enum reg_note): Add REG_MAYBE_DEAD. + * rtl.c (reg_note_name): Add REG_MAYBE_DEAD. + * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue + insns if they have a REG_MAYBE_DEAD note attached. + * config/rs6000/rs6000.c (rs6000_maybe_dead): New function. + (rs6000_emit_load_toc_table): TOC loads may go dead. + +2000-08-01 Jim Wilson <wilson@cygnus.com> + + * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify + type exists before using it. Use number of words as alignment + otherwise. + (ia64_function_arg_partial_nregs, ia64_function_arg_advance, + ia64_va_arg): Propagate ia64_function_args changes here. + +2000-08-01 Richard Henderson <rth@cygnus.com> + + * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL. + * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise. + +2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk> + + From Joern Rennecke: + * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu. + * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU + unless TARGET_SH3E is set. + * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu. + + * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with + (ashlsi3_std): New pattern. + (ashlsi3 expander): Use it for TARGET_SH3. + * sh.c (gen_ashift): Use it instead of ashlsi3_k. + +Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz> + + * loop.c (canonicalize_condition): Use destination, not source to + determine SET's mode. + +2000-07-31 Mark Mitchell <mark@codesourcery.com> + + * flow.c (clear_log_links): Fix typo. + +Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com) + + * loop.c (check_dbra_loop): Make change from July 17, 2000 work + on targets which need more than one insn for a compare/cbranch + operation. + +2000-07-31 Jim Wilson <wilson@cygnus.com> + + * config/ia64/ia64.c (ia64_function_arg): Use alignment not size + when computing offset. + +Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru> + + * genpeep.c (main): Handle DEFINE_PEEPHOLE2. + +2000-07-31 Geoff Keating <geoffk@cygnus.com> + + * flow.c (clear_log_links): Nuke global_live_at_start and + global_live_at_end data, since if the log_links stuff is invalid + so is global_live_at_*. + +2000-07-31 Richard Henderson <rth@cygnus.com> + + * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions. + +2000-07-31 Jakub Jelinek <jakub@redhat.com> + + * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0. + (_cpp_get_token): Don't macro expand a just pasted token if it + was pasted at no_expand_level. + +2000-07-31 Zack Weinberg <zack@wolery.cumb.org> + + * cppmacro.c (find_param, count_params, save_expansion): + Permit 'defined' as a macro parameter name. + +2000-07-31 Zack Weinberg <zack@wolery.cumb.org> + + * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and + xcpp to cpp throughout. + (native): Remove unnecessary dependency on cpp. + + * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp, + tradcpp to tradcpp0. + (.i spec): Add missing output-file spec to cc1 command line. + * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0. + +2000-07-31 Zack Weinberg <zack@wolery.cumb.org> + + * c-decl.c (mesg_implicit_function_declaration): Init to -1. + (implicit_decl_warning): New function. + (implicitly_declare): Use it. + * c-typeck.c (build_external_ref): Use implicit_decl_warning + to complain about implicit decls of builtins. + + * c-lang.c (lang_init): Set mesg_implicit_function_declaration + based on pedantic && flag_isoc99, if not already set. + * c-tree.h: Declare mesg_implicit_function_declaration. + Prototype implicit_decl_warning. + +2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com> + + * Makefile.in (ssa.o): Updated header files in dependences. + * basic-block.h: Added compute_immediate_postdominators declaration. + * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added + definition. + * flow.c (compute_immediate_dominators): Updated comment. + (compute_immediate_postdominators): Added definition. + * rtl.h (HARD_REGISTER_P): Added definition. + * ssa.c: Include additional header files. + (assert): Added definition. + (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to + include select hard registers. + (ssa_rename_to_insert): Likewise. + (ssa_rename_from_initialize): Likewise. + (ssa_rename_from_lookup): Likewise. + (original_register): Likewise. + (ssa_rename_from_insert): Added to reimplement ssa_rename_from to + include select hard reigsters. + (ssa_rename_from_traverse): Likewise. + (ssa_rename_from_free): Likewise. + (ssa_rename_from_print): Likewise. + (ssa_rename_from_print_1): Likewise. + (ssa_rename_from_hash_function): Likewise. + (ssa_rename_from_equal): Likewise. + (ssa_rename_from_delete): Likewise. + (simplify_to_immediate_dominators): Removed in favor of + flow.c:compute_immediate_dominators. + (find_evaluations_1): Modified to work with hard registers. + (insert_phi_node): Likewise. + (insert_phi_nodes): Likewise. + (struct rename_set_data): Updated prev_reg comment. + (create_delayed_rename): Modified to work with hard registers. + (RENAME_NO_RTX): Updated comment. + (apply_delayed_renames): Modified to work with hard registers. + (rename_insn_1): Likewise and added handling of CLOBBER rtls. + (rename_block): Updated to use revised ssa_rename_to interface. + (rename_registers): Updated to use revised ssa_rename_to and + ssa_rename_from interface. + (convert_to_ssa): Revised to use compute_immediate_dominators and + deal with hard registers. + (make_regs_equivalent_over_bad_edges): Modified to work with hard + registers. Added check for illegal unification of hard register. + (make_equivalent_phi_alternatives_equivalent): Modified to work + with hard registers. + (compute_conservative_reg_partition): Likewise. + (coalesce_if_unconflicting): Modified to work with hard registers + and check for conflicting hard registers. + (mark_phi_and_copy_regs): Revised loop to work only on pseudo + registers. + (rename_equivalent_regs_in_insn): Modified to work with hard + registers. + (record_canonical_element_1): Added definition. + (check_hard_regs_in_partition): Added definition. + (convert_from_ssa): Added data structure deallocation and check + for illegal hard register unification. + (conflict_hard_regs_p): Added definition. + * toplev.c (rest_of_compilation): Added comment. + +2000-07-31 Anthony Green <green@redhat.com> + + * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly. + +2000-07-31 Jason McMullan <jmcmullan@linuxcare.com> + + * builtins.c (expand_builtin_apply): Don't defer pop during + argument setup. + +2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * calls.c (combine_pending_stack_adjustment_and_call): Only use + preferred_unit_stack_boundary when it is > 1. + +2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-common.c (init_function_format_info): Add C99 format functions + in C99 mode. + + * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile + void' or 'register void' as being the special case of 'void' alone + in a parameter list. + + * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for + discarding qualifiers into a plain warning. + +2000-07-31 Kazu Hirata <kazu@hxi.com> + + * combine.c: Fix formatting. + + * h8300.md: Fix formatting. + + * local-alloc.c: Fix formatting. + + * h8300.c (get_shift_alg): Remove the variable alg. + (emit_a_shift): Rearrange code to improve readability. + + * h8300.md (movsi_h8300hs): Rearrange code to improve readability. + + * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and + HImode on all architectures and a combination of HImode and SImode + on H8/300H and H8/S. + + * h8300.c (split_adds_subs): Rearrange code for conciseness. + +Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz> + + * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs + in my last checkin. + +Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz> + + * recog.c (extract_insn): Set operand_mode according to + operand if match_operand is VOIDmode. + +Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz> + + * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression. + +2000-07-31 Geoff Keating <geoffk@cygnus.com> + + * c-parse.in (extdefs): Call ggc_collect between external + definitions. + +2000-07-30 Michael Hayes <mhayes@cygnus.com> + Richard Henderson <rth@cygnus.com> + + * Makefile.in (OBJS): Add doloop.o. + * doloop.c: New file. + + * final.c (insn_current_reference_address): Return 0 before final. + * flags.h (flag_branch_on_count_reg): Fix typos in commentary. + * jump.c (any_uncondjump_p): Likewise. + * loop.c (indirect_jump_in_function): Make static. + (strength_reduce): Call doloop_optimize. + (insert_bct, instrument_loop_bct): Remove. + * loop.h (doloop_optimize): Prototype. + * recog.c (split_all_insns): Split all INSN_P. + * toplev.c (flag_branch_on_count_reg): Default on. + + * config/c4x/c4x.c (c4x_optimization_options): Don't set + flag_branch_on_count_reg. + * config/i386/i386.c (override_options): Likewise. + * config/rs6000/rs6000.c (optimization_options): Likewise. + + * config/i386/i386.md (decrement_and_branch_on_count): Remove. + (doloop_end): New. + (dbra_ge): Remove, as well as all it's splitters. + + * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove. + (doloop_end): New. + + * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare. + (ia64_register_move_cost): Declare. + * config/ia64/ia64.c (ar_lc_reg_operand): New. + (struct ia64_frame_info): Add ar_size. + (ia64_compute_frame_size): Set it. + (save_restore_insns): Save and restore ar.lc. + (ia64_register_move_cost): New, moved from header file. Handle + application registers. + (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers. + (emit_insn_group_barriers): Special case doloop_end_internal. + (ia64_epilogue_uses): Mark ar.lc live at end. + * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers. + (AR_EC_REGNUM, AR_PFS_REGNUM): New registers. + (FIRST_PSEUDO_REGISTER): Make room. + (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New. + (FIXED_REGISTERS, CALL_USED_REGISTERS): Update. + (REG_ALLOC_ORDER): Update. + (HARD_REGNO_MODE_OK): Update. + (REGISTER_NAMES): Update. + (enum reg_class): Add AR_M_REGS and AR_I_REGS. + (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update. + (REGNO_REG_CLASS): Update. + (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10. + (REGISTER_MOVE_COST): Move out of line. + (PREDICATE_CODES): Update. + * config/ia64/ia64.md (movdi patterns): Handle ar register classes. + (addsi3_plus1_alt, adddi3_plus1_alt): New. + (shladd_elim splitter): Allow constants in the predicate. + (doloop_end, doloop_end_internal): New. + +2000-07-30 Richard Henderson <rth@cygnus.com> + + * genattrtab.c (struct insn_def): Add lineno member. + (struct insn_ent): Likewise. + (struct attr_desc): Likewise. + (struct delay_desc): Likewise. + (struct function_unit_op): Likewise. + (struct function_unit): Likewise. + (check_attr_value): Use message_with_line. + (check_defs): Likewise. + (expand_units): Likewise. + (check_attr_test): Take a lineno argument. + (gen_attr): Likewise. + (gen_insn): Likewise. + (gen_delay): Likewise. + (gen_unit): Likewise. + (main): Give it to them. + (convert_set_attr_alternative): Take an insn_def argument + instead of num_alt and insn_index. + (convert_set_attr): Likewise. + (write_test_expr): Protect INSN_ADDRESSES load + with INSN_ADDRESSES_SET_P. + +2000-07-30 Richard Henderson <rth@cygnus.com> + + * flow.c (init_propagate_block_info): Use pc_set. + +Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz> + + * i386.md (*lea_general_[123]) New insns and splits. + (addsi3 to lea splitter): Handle other modes too. + (shlsi3 to lea splitter): Likewise. + (addhi_1_lea, shlhi_1_lea): New patterns. + (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL. + +Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz> + + * recog.c (general_operand, nonimmediate_operand): Accept + any mode for VOIDmode CONSTANT_P operands. + +Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz> + + * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp + instead of replace_rtx. + * recog.c (validate_replace_rtx_subexp): New function. + * recog.h (validate_replace_rtx_subexp): Declare. + +Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz> + + * combine.c (simplify_set, make_extraction, make_compound_operation + make_field_assignment): Use full mask instead of GET_MODE_MASK (mode) + as force_to_mode argument. + +Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz> + + * combine.c (if_then_else_cond): Be sure that mode fits in + HOST_WIDE_INT. + +Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz> + + * combine.c (record_promoted_value): Allow bitsize of mode + to be equivalent to HOST_BITS_PER_WISE_INT. + +Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz> + + * function.c (assign_stack_local_1, assign_stack_temp_for_type): + Do not call gen_mode_alignment when mode is BLKmode. + +Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz> + + * loop.c (express_from_1): Fix call of simplify_gen_binary. + +Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz> + + * simplify-rtx.c (simplify_relational_operation): Verify that mode == + VOIDmode implies both operands to be VOIDmode. + (simplify_ternary_operation): Compute properly the mode of comparison. + * combine.c (combine_simplify_rtx): Likewise. + +2000-07-25 Michael Hayes <mph@paradise.net.nz> + + * basic-block.h (struct loops): New field rc_order. + * flow.c (flow_loops_cfg_dump): Dump rc_order if computed. + (flow_loops_free): Free rc_order. + (flow_depth_first_order_compute): New parameter rc_order. + (flow_loops_find): Allocate rc_order and swap usage with + dfs_order. + +2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue. + (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise. + (nodb_call, return_from_epilogue): Likewise. + (return_from_interrupt_epilogue, prologue, epilogue): Likewise. + * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add. + * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add. + (c4x_expand_prologue, c4x_expand_epilogue): Likewise. + (c4x_valid_type_attribute_p): Likewise. + * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete. + (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL. + +2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant + and loadhi_big_constant if applicable. + * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak + and add new splitter.s + +2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.c (c4x_rptb_insert): Make more robust. + +2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label. + +2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings. + +2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/libgcc.S (divqf3): Improve accuracy. + +2000-07-27 Mark Mitchell <mark@codesourcery.com> + + Put phi nodes after NOTE_INSN_BASIC_BLOCK. + * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro. + * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P. + (get_prev_bb_note): Likewise. + (remove_scope_notes): Likewise. + * flow.c (commit_one_edge_insertion): Likewise. + (merge_blocks_nomove): Likewise. + (verify_flow_info): Likewise. + * gcse.c (insert_insn_end_bb): Likewise. + * reg-stack.c (emit_swap_insn): Likewise. + * ssa.c (first_insn_after_basic_block_note): New function. + (insert_phi_node): Use it. + (rename_block): Likewise. + (eliminate_phi): Likewise. + (make_regs_equivalent_over_bad_edges): Likewise. + (make_equivalent_phi_alternatives_equivalent): Likewise. + (for_each_successor_phi): Likewise. + (convert_from_ssa): Modify phi-node deletion algorithm. + +2000-07-29 Andreas Jaeger <aj@suse.de> + + * configure.in (mips*-*-linux*): Use mips*el to check for little + endian MIPS, add tmake_file. + + * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux. + (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1. + Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>. + +2000-07-28 Richard Henderson <rth@cygnus.com> + + * config/ia64/ia64.c (ia64_print_operand): Fix typos. + Sign extend mode size before negating. + +2000-07-28 Richard Henderson <rth@cygnus.com> + + * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable. + +2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk> + + * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY. + (cse_insn): Likewise. + (addr_affects_sp_p): Likewise. + * expr.c (move_by_pieces): Likewise. + (clear_by_pieces): Likewise. + * gcse.c (oprs_unchanged_p): Likewise. + * haifa-sched.c (sched_analyze_2): Likewise. + * recog.c (offsettable_address_p): Likewise. + * regclass.c (record_address_regs): Likewise. + * reload.c (find_reusable_reload): Likewise. + (push_reload): Likewise. + (operands_match_p): Likewise. + (decompose): Likewise. + (find_reloads_address_1): Likewise. + (find_inc_amount): Likewise. + * reload1.c (elimination_effects): Likewise. + * resource.c (mark_set_resources): Likewise. + * flow.c (attempt_auto_inc): New function; mostly broken out + of find_auto_inc. + (find_auto_inc): Split into two functions and enhanced to + generate POST_MODIFY. + * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment. + * rtl.h (count_all_occurrences): Declare. + (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not + defined. + * rtlanal.c (count_all_occurrences): New function. + * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP, + HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document. + + * config/ia64/ia64-protos.h (destination_operand): Declare. + * config/ia64/ia64.c (destination_operand): New function. + (ia64_print_operand): Handle POST_MODIFY. + (rtx_needs_barrier): Likewise. + * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1. + (HAVE_POST_MODIFY_REG): Define to 1. + (MAX_REGS_PER_ADDRESS): Change to 2. + (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too. + (LEGITIMATE_ADDRESS_REG): New helper macro. + (LEGITIMATE_ADDRESS_DISP): Likewise. + (PREDICATE_CODES): Add entry for destination_operand. + * config/ia64/ia64.md (all mov patterns): Use destination_operand + predicate for operand 0. + +2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * dwarf2out.c: Indent #error directive. + + * gbl-ctors.h: Fix typo in comment. + (__do_global_ctors): Prototype. + + * gcse.c (record_one_set, pre_delete): Remove unused variables. + + * rs6000.c (rs6000_maybe_dead): Delete unused prototype. + (print_operand): Initialize variable `t'. + +2000-07-27 Aldy Hernandez <aldyh@redhat.com> + + * config/arm/arm.md ("call_value"): removed constraints. + Constraints are ignored in expanders. + (*call_value_reg): split =rf into various constraints. + (*call_value_mem): same + (*call_value_symbol): same + (*sibcall_value_insn): same + +2000-07-28 Philipp Thomas <pthomas@suse.de> + + * install.texi (--enable-nls): Change the description of the NLS + related configure options to match the current state. + (--with-included-gettext): Likewise. + (--enable-maintainer-mode): New description added. + * extend.texi (-fstrict-prototype): Add missing '.'. + +2000-07-27 Jim Wilson <wilson@cygnus.com> + + * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if + DECL_INITIAL (decl) == NULL_TREE. + +2000-07-27 Alexandre Oliva <aoliva@redhat.com> + + * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies + on insn-attr.h with it. + * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length. + * insn-addr.h: New header. + (insn_addresses_): Renamed from insn_addresses. + (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC, + INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE, + INSN_ADDRESSES_NEW): New macros. + * genattrtab.c (write_test_expr): Use new macros. + * final.c (insn_addresses, init_insn_lengths): Likewise. + (align_fuzz, shorten_branches): Likewise. + (final): Likewise. Do not reject new insns if their addresses + have been added to INSN_ADDRESSES. + * config/arm/arm.c, config/avr/avr.c: Use new macros. + * config/h8300/h8300.c, config/i370/i370.c: Likewise. + * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise. + * config/sparc/sparc.c, config/sparc/sparc.md: Likewise. + * config/sh/sh.c: Likewise. + (output_branchy_insn): Use INSN_ADDRESSES_NEW. + + * Makefile.in (bootstrap): Move -BstageN/ back to the beginning. + +2000-07-27 Andrew Cagney <cagney@b1.cygnus.com> + + * gcc.c (struct prefix_list): Add member priority. + (enum path_prefix_priority): Declare. + (add_prefix): Replace ``first'' with ``priority''. Append new + entry but keep list in priority order. + (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or + PREFIX_PRIORITY_LAST to add_prefix. + (process_command): Move include kludge - foo/stageN - to before + foo/include. + +2000-07-27 Jason Merrill <jason@redhat.com> + + * dwarf2out.c (gen_typedef_die): Abort if we get identical + TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef. + +2000-07-27 RodneyBrown <RodneyBrown@pmsc.com> + + * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes. + * tree.h (get_alias_set, lang_get_alias_set): Prototype. + +2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-decl.c (finish_function): Don't treat 'main' specially unless + flag_hosted. In C99 mode, return 0 from 'main' unless + DEFAULT_MAIN_RETURN is otherwise defined. + + * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function + parameters defaulting to int in an old-style function definition. + +2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-parse.in (string): For -Wtraditional, warn about string + concatenation only once per line. + +Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp> + + * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES + for HI-UX/WE2 systems. + +2000-07-24 Bruce Korb <bkorb@gnu.org> + + * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC + defining the __xxx_TYPE__ macros. + * fixincl/fixincl.tpl(gnu_type_map): now obsolete + * fixincl/fixlib.h: don't need to include "tm.h" anymore + * fixincl/inclhack.def(type_map): now obsolete + +Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com> + + * cpp.texi: Append a trailing full-stop to xrefs where needed. + +2000-07-26 Dave Pitts <dpitts@cozx.com> + + * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash + routine constants. + (mvs_hash_alias): New function. + (mvs_add_alias): Change argument spacing. + (mvs_need_alias): Change aliasing criteria. Added documentation. + (mvs_get_alias): Change to use hashed name. The hashed name prevents + CSECT name collisions. + (mvs_check_alias): Likewise. + (handle_pragma): Change documentation. + * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx + mode from SImode to DImode. + (iorhi3): Changed LTORG size for insn. + +Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com> + + * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a + mem if the address is a mode_dependent_address_p. + +2000-07-26 Kazu Hirata <kazu@hxi.com> + + * h8300.c (print_operand): Print ":8" when the 'R' operand is + suitable for 8-bit absolute. + * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New. + (OK_FOR_U): Add a case for the 8-bit constant address on the + H8/300H. + +Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com> + + * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON) + && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test + ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about + lack of implemented alignment. + +2000-07-26 Geoffrey Keating <geoffk@cygnus.com> + + * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle + cross-compiling between 64-bit and 32-bit machines. + +2000-07-27 Richard Henderson <rth@cygnus.com> + + * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New. + (movhicc_astep, movhi_internal_astep): New. + (movsicc_astep, movsi_internal_astep): New. + (movdicc_astep, movdi_internal_astep): New. + (movsfcc_astep, movsf_internal_astep): New. + (movdfcc_astep, movdf_internal_astep): New. + (movxfcc_astep, movxf_internal_astep): New. + (cmovdi_internal_astep, cmovsi_internal_astep): New. + Unify the cmov[ds]i splitters. + +2000-07-27 Rodney Brown <RodneyBrown@pmsc.com> + + * real.c (asctoeg): Rename `error' label to unexpected_char_error + +2000-07-26 Nick Clifton <nickc@cygnus.com> + + * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of + __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h + + * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as + well as PARALLEL blocks in FRAME_RELATED_EXPR notes. + +2000-07-26 Alexandre Oliva <aoliva@redhat.com> + + * c-decl.c (finish_enum): Convert enumerations that fit in an + `int' to `int'. + (build_enumerator): In pedantic mode, cast to `int' those that + don't. + +2000-07-25 Rodney Brown <RodneyBrown@pmsc.com> + + * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New. + +Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.md (cmpgtdi_t): Must be split. + (cmpgtdi_t+1): New splitter. + +2000-07-25 Zack Weinberg <zack@wolery.cumb.org> + + * cpplib.c (_cpp_check_directive): Issue -Wtraditional + warnings for indented directives even if we are skipping. + +2000-07-25 Nathan Sidwell <nathan@codesourcery.com> + + * invoke.texi (strict-prototypes): Remove. + * extend.texi (Deprecated Features): Add strict-prototypes. + (Backwards Compatibility): New node. + +2000-07-25 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.md (andsi_1+1): Allow HImode. + (andsi_1+2): Require q_regs_operand. + +2000-07-25 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.md (call_pop): Check operands[0], + not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF. + (call): Likewise. + (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF. + (call_value): Likewise. + +2000-07-25 Zack Weinberg <zack@wolery.cumb.org> + + * toplev.c (pipe_closed): Delete. + (crash_signal): New. Generate ICE for a fatal signal. + (float_signal): Call crash_signal outside a float-handler + block, not abort. + (main): Install crash_signal as handler for core-dumping signals. + +2000-07-25 David Edelsohn <edelsohn@gnu.org> + + * rs6000.c (print_operand, case 'T'): New case. + + * rs6000.md (call_indirect_aix32): Convert to expander of + scheduled instructions. + (call_indirect_aix64): Likewise. + (call_value_indirect_aix{32,64}): Likewise. + (call, call_value): Invoke expanders for AIX. Fall through to + matchers for SysV. + (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr). + (call_value_indirect_nonlocal_aix{32,64}): New patterns. + (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1 + only "g" constraint. + (call_nonlocal_aix64): Likewise. + (call_value_nonlocal_aix{32,64}): Likewise. + (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic + operands. + (call_value_nonlocal_sysv): New pattern. + (indirect_jump{si,di}): Use new 'T' modifier. + (tablejump{si,di} matchers): Likewise. + (return_internal_{si,di}): Likewise. + (return_eh_{si,di}): Likewise. + +2000-07-24 Richard Henderson <rth@cygnus.com> + + * config/ia64/ia64.c (ia64_print_operand): Handle "%,". + * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise. + * config/ia64/ia64.md (movdi_internal): Use it. + +2000-07-24 Zack Weinberg <zack@wolery.cumb.org> + + * cppexp.c: Warn about unary + if -Wtraditional. + * cpplex.c (lex_line): Always set BOL on the first token of a line. + +2000-07-24 Michael Meissner <meissner@redhat.com> + + * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to + unsupported macro. + +2000-07-24 Nick Clifton <nickc@cygnus.com> + + * config/arm/arm.c (emit_multi_reg_push): Generate a + REG_FRAME_RELEATED_NOTE that is compatible with the code in + dwarf2out_debug_frame_expr. + +2000-07-24 Jason Merrill <jason@redhat.com> + + * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without + UNALIGNED_INT_ASM_OP. + (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust + a location expression. + (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't + assume indirect access if we're saving the CFA address exactly. + + * Makefile.in (bootstrap): Move -BstageN/ to the end. + +2000-07-24 Jakub Jelinek <jakub@redhat.com> + + * tradcpp.c (main): Update max_include_len for cpp_include_defaults + as well. + +2000-07-24 Michael Meissner <meissner@redhat.com> + + * invoke.texi (D30V Options): Add d30v options. + +Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com) + + * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not + needed by our gcse pass anymore. + (free_pre_mem): Corresponding changes. + (compute_pre_data): Do not call compute_transpout anymore. + + * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'. + (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding + changes. + + * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here. + (compute_pre_data): Do it here instead. + + * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap + 'temp_bitmap'. + (pre_delete): Corresponding changes. + +2000-07-23 Mark Mitchell <mark@codesourcery.com> + + * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN + to figure out whether or not a variable has already been emitted. + +Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com> + + * config/i860/i860.md (untyped_call expander): Use GEN_CALL + instead of gen_call. + +Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk) + + * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab. + +2000-07-23 Kazu Hirata <kazu@hxi.com> + + * h8300.c: Fix formatting. + +2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk> + + * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn + for `long' switch expression into a plain warning. + + * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode. + (yylex): Don't pedwarn for "inline" in C99 mode. + + * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing + with %p. + * ggc-page.c (debug_print_page_list, alloc_page, free_page, + ggc_alloc): Likewise. + * bb-reorder.c (dump_scope_forest_1): Likewise. + +2000-07-22 Aldy Hernandez <aldyh@redhat.com> + + * reload.c (find_reloads_toplev): Add new parameter + "address_reloaded". + (find_reloads): Add new parameter to find_reloads_toplev calls. + +2000-07-22 Jeffrey Oldham <oldham@codesourcery.com> + + * collect2.c (main): Typo fixed. + * diagnostic.c: Typo fixed. + * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed. + * eh-common.h: Typo fixed. + * emit-rtl.c (start_sequence): Typo fixed. + * flow.c (find_label_refs): Typo fixed. + (calculate_global_regs_live): Typo fixed. + (mark_regno_cond_dead): Typo fixed. + (create_edge_list): Typos fixed. + (verify_edge_list): Typo fixed. + * ggc-common.c (ggc_mark_rtx_children): Typo fixed. + * loop.c (strength_reduce): Typo in function name fixed. + * rtl.h: Added comments. Typo in function name fixed. + * rtlanal.c: Typo in function name fixed. + (insn_dependant_p): Rename to ... + (insn_dependent_p): ... this. + (computed_jumo_p): Typo fixed. + +2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * system.h (__FUNCTION__): Wrap definition in #ifndef. + +2000-07-21 David Edelsohn <edelsohn@gnu.org> + + * rs6000.h (SIZE_TYPE): Define. + +2000-07-21 Mark Mitchell <mark@codesourcery.com> + + * ssa.c (rename_insn_1): Don't rename registers that are + CLOBBERed. + +2000-07-21 Zack Weinberg <zack@wolery.cumb.org> + + * diagnostic.c (trim_filename, fancy_abort): Moved here from + rtl.c. + (fatal_function, set_fatal_function): Removed. + (fatal): Don't prepare for or call the fatal_function. + (diagnostic_lock, error_recursion): New. + (diagnostic_for_decl, report_diagnostic): Guard against + re-entering the error reporting routines. + (fancy_abort): Assume function is not NULL. + + * errors.c (fancy_abort): New. Assume function is not NULL. + * tradcpp.c (fancy_abort): Assume function is not NULL. + + * system.h: Provide default definition of __FUNCTION__. + * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout. + Always use __FUNCTION__ in definition of abort. + * tree.h: Likewise. + * varray.h: Likewise. + * toplev.h: Likewise. Don't prototype set_fatal_function. + +2000-07-20 Geoff Keating <geoffk@cygnus.com> + + * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly + in 64-bit mode. + * glimits.h: Don't do #if defined for ARCH_PPC. + + * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All + constants of size no larger than a pointer should go in the TOC. + Add 'MODE' parameter. + (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to + ASM_OUTPUT_SPECIAL_POOL_ENTRY_P. + (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise. + * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise. + * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise. + * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise. + (rs6000_legitimize_address): Likewise. + (rs6000_emit_move): Likewise. + (rs6000_select_rtx_section): Likewise. + (output_toc): Deal properly with outputting small constants like + HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode. + * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add + MODE parameter. Put small constants in the TOC. + + * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are + easy in SImode. + (rs6000_emit_move): When reload calls us with an illegitimate + address, exit early. Move the change_address calls to one place + at the end of the routine. Merge the SImode and DImode expanders. + When called by reload to put an integer into a FP register, force + it to memory. + + * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode' + field. + (rs6000_hash_constant): Hash mode too. + (toc_hash_function): Allow for key_mode. + (toc_hash_eq): Structures are different if key_mode differs. + (output_toc): Add 'mode' parameter. Save key_mode. + * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): + Pass 'mode' parameter. + * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param. + + * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME + for vtable references. + + * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a + choice, don't put integer values in FP regs. + +Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com) + + * flow.c (verify_flow_info): Revamp code to verify that the + head and end of each basic block are in the insn chain. + +Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de> + + * gcse.c (record_one_set): Prepend instead of append onto + reg_set_table, making it O(n) instead O(n^2). + * lcm.c (compute_antinout_edge,compute_laterin,compute_available): + Use a queue instead of a stack as worklist. + +2000-07-20 Kazu Hirata <kazu@hxi.com> + + * h8300.c (two_insn_adds_subs_operand): Fix a typo. + * h8300.h (OK_FOR_T): New. + (EXTRA_CONSTRAINT): Support OK_FOR_T. + * h8300.md: Use inc/dec.[wl] for increment/decrement + by 1 and 2 in HI and SI modes. + +2000-07-20 Jim Wilson <wilson@cygnus.com> + + * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values + larger than 14 bits. + +2000-07-20 Zack Weinberg <zack@wolery.cumb.org> + + * cppmacro.c (CAN_PASTE_AFTER): New macro. + (count_params): Don't set GNU_REST_ARGS on anything. + (save_expansion): Set PASTE_LEFT only on tokens for which + CAN_PASTE_AFTER is true, or which are named operators. + + * cpplex.c (parse_args): Distinguish between a rest argument + given one empty argument, and a rest argument given zero arguments. + (maybe_paste_with_next): Look for VOID_REST tag, and trigger + deletion of previous token based on that. + (get_raw_token): Flatten some control structure. + + * cpplib.h (CPP_LAST_EQ): Correct. + (VOID_REST): New token flag. + (GNU_REST_ARGS): Delete. + + * tradcpp.c (main): Don't munge -D options. + (make_definition): Bring -D handling in line with cpplib. + (do_define): Strip all leading whitespace from macro definitions. + +2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au> + + * Makefile.in (tradcpp): Depend on intl.o and version.o. + +2000-07-20 Bruce Korb <bkorb@gnu.org> + + * fixincl/check.tpl: strip the platform specific types before testing + * fixincl/fixfixes.c(gnu_type_fix): use platform specific types + * fixincl/fixincl.tpl: use platform specific types + * fixincl/fixlib.h: include the platform specific types + * fixincl/inclhack.def(gnu_types): don't supply the types + * fixincl/fixincl.x: regen + +2000-07-19 Jim Wilson <wilson@cygnus.com> + + * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in + GR_REGS. + +2000-07-19 Zack Weinberg <zack@wolery.cumb.org> + + * tradcpp.c (rescan): Do not recognize directives when the # + is indented. + +2000-07-19 Zack Weinberg <zack@wolery.cumb.org> + + Implement C++ named operators. + + * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block + of operators allowed in #if and having an _EQ variant. Add + CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED. + (cpp_token flags): Add NAMED_OP. + (enum node_type): Add T_OPERATOR. + (struct cpp_hashnode): Add code slot to value union. + * cpphash.h (spec_nodes): Remove n_defined. + + * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types. + (spell_token, can_paste, maybe_paste_with_next): Handle named operators. + (is_macro_disabled): Tweak error messages. + + * cpplib.c (get_define_node): Disallow all named operators as + macro names. Tweak error messages. + (_cpp_init_stacks): Don't set up spec_nodes->n_defined. + + * cppinit.c (builtin_array): Add entries for the named operators. + * cppexp.c (lex): Check for CPP_DEFINED token. + (priority table): Add entries for CPP_MIN and CPP_MAX. + (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX. + +2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk> + + * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is + larger than the array of cuids. + (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing + cuids. + +2000-07-19 Bruce Korb <bkorb@gnu.org> + + * fixinc/fixincl.c: Convert to using a table of environment variables + and activate the auto-edit marker on the fixed output files. + * fixinc/fixlib.h: Define the environment table + * fixinc/fixincl.sh: export the ${INPUT} dir + * fixinc/check.tpl: likewise + +2000-07-18 Zack Weinberg <zack@wolery.cumb.org> + + * gcc.c (.h spec): Fix typo. + +Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org> + + * Makefile.in: Fix tradcif.c path. + +2000-07-18 Zack Weinberg <zack@wolery.cumb.org> + + * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry + macros, not five. + + * cpphash.h (TOKEN_NAME): New macro. + (_cpp_spell_operator): Deleted. + (token_spellings): Now _cpp_token_spellings. + + * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator. + * cpplex.c: Use OP and TK macros when expanding the + TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens, + store the stringification of the enumeration name (CPP_CHAR, + etc.) in the name slot of token_spellings. + Use TOKEN_NAME and/or TOKEN_SPELL, do not reference + token_spellings directly. + * cpplib.c: Use TOKEN_SPELL. + + * cpplex.c (_cpp_push_token): If the token being pushed back + is the previous token in this context, just subtract one from + context->posn. + * cppmacro.c (save_expansion): Clear aux field when storing a + placemarker. + +2000-07-18 Jakub Jelinek <jakub@redhat.com> + + * cpplex.c (cpp_scan_buffer): Output line command even at the stop + buffer, provided it is not NULL. + +2000-07-18 Alexandre Oliva <aoliva@redhat.com> + + * c-decl.c (duplicate_decls): Do not call make_var_volatile() in + case of invalid volatile re-declaration. + +2000-07-18 Jakub Jelinek <jakub@redhat.com> + + * calls.c (store_arg): Return non-zero if sibcall_failure is desired. + (expand_call): Adjust caller. + +2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com> + + * diagnostic.h (report_diagnostic): Change prototype. + + * diagnostic.c (output_do_verbatim, diagnostic_for_asm, + diagnostic_for_decl): Change prototype. + (error_with_decl, warning_with_decl, pedwarn_with_decl, warning, + error, warning, error_with_file_and_line, + warning_with_file_and_line, pedwarn_with_file_and_line, fatal): + Adjust call to report_diagnostic, diagnostic_for_decl. + (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm. + (output_verbatim, verbatim): Adjust call to output_do_verbatim. + + * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End + varaible argument list. + +2000-07-17 Zack Weinberg <zack@wolery.cumb.org> + + * cpphash.c: Don't include hashtab.h. Most macro-handling code + moved to cppmacro.c. + (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash, + dump_hash_helper): Delete. + (expand_hash, higher_prime_number, _cpp_lookup_with_hash, + cpp_forall_identifiers): New. Implement specialized version of + Vlad's expandable hash table. + (cpp_lookup): Use new functions. + (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new + implementation. + * cppmacro.c: New file. + * cppinit.c (dump_macros_helper): New. + (cpp_finish): Iterate over the identifier table directly. + * cpplex.c (parse_name): Calculate the hash of the identifier + while we scan it. Use _cpp_lookup_with_hash when we can. + + * cpphash.h: Update prototypes. + (xcnewvec, HASHSTEP): New helper macros. + * cpplib.h: Update prototypes. + * Makefile.in (LIBCPP_OBJS): Add cppmacro.o. + (cppmacro.o): New rule. + (cpphash.o): Update deps. + + * cppmain.c: Do not set pfile->printer if no_output is on. + +2000-07-15 Neil Booth <neilb@earthling.net> + + * cpplib.c: Change all directive-handler functions to return + void, not int. + * cpphash.h: Update typedefs. + +2000-07-17 Geoffrey Keating <geoffk@cygnus.com> + + * configure: Regenerate. + + * extend.texi (Extended Asm): Mention that a memory clobber + does not count as a side-effect. + + * unroll.c (copy_loop_body): Fix one instance of using host + arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit + cross-compile. + + * tlink.c (scan_linker_output): Tweak for output of AIX ld. + +2000-07-17 Richard Henderson <rth@cygnus.com> + + * config/ia64/ia64.md (movdi): Split out load address code. + New post-reload splitter for symbolic operands. + (movdi_internal): Abort if we didn't split symbolic operands + when we should have. + * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits. + (ia64_reorg): Split insns when not optimizing. + * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare. + +Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz> + + * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE + instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format. + +2000-07-17 Chandrakala Chavva <cchavva@cygnus.com> + + * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont. + +2000-07-17 Jason Merrill <jason@redhat.com> + + * Makefile.in (clean): Remove libgcc directory. + + * configure.in (-Wno-long-long check): Use higher-level macros. + +2000-07-17 Zack Weinberg <zack@wolery.cumb.org> + + * simplify-rtx.c (simplify_binary_operation): Recognize + (compare (gt[u] (cc) 0) (lt[u] (cc) 0)). + (simplify_ternary_operation): Do not examine MODE_BITSIZE of + a CONST_INT, it will always be zero. + +2000-07-17 Chandrakala Chavva <cchavva@cygnus.com> + + * loop.c (check_dbra_loop) : Return if more than one condition is + present to control the loop. + +Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com> + + * mips.c (mips_expand_prologue): Don't calculate the last argument + register unless we need it. When we are calculating this, make + sure FUNCTION_ARG is giving us a REG. + +2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr> + + * flow.c (libcall_dead_p): Use single_set to verify the insn + has only one set and get for analysis. + (propagate_one_insn): Don't pass the PATTERN of the insn. + +2000-07-17 Mark Klein <mklein@dis.com> + + * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3. + +2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca> + + * Makefile.in (TARGET_GETGROUPS_T): New configuration variable. + * configure.in (TARGET_GETGROUPS_T): Evaluate. + * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type + of second argument of getgroups. + * configure, config.in: Rebuilt. + +2000-07-17 Geoffrey Keating <geoffk@cygnus.com> + + * simplify-rtx.c (simplify_relational_operation): Two signed + values with equal high words are less/greater than each other if + their low words are less/greater when considered as unsigned. + +Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org> + + * configure.in (vax-*-openbsd): Change to new style configuration, + add collect2/float_format information. + * configure: Rebuilt. + * config/vax/openbsd1.h: New. + * config/vax/openbsd.h: New. + * config/vax/t-openbsd: New. + +2000-07-17 Chip Salzenberg <chip@valinux.com> + + * c-common.c (shorten_compare): Quiet warnings about unsigned + comparisons with zero when they occur in a system header. + +2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk> + + * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and + update to describe current practice. + + * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99. + + * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update + references to C9X. Change references to -fstd and -flang-isoc9x + to refer to -std. + + * c-common.c (scan_char_table): Allow "z" length modifiers on + diouxXn formats. + (check_format_info): Use TYPE_DOMAIN on the type matched against + for "z" formats, to retrieve the language size_t rather than the + internal one. + + * c-common.c (check_format_info): Do not make a pedantic objection + to the 'L' length modifier if used with a floating point type + character. + + * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point + constants in C99 mode. + +2000-07-17 Kazu Hirata <kazu@hxi.com> + + * h8300.md: Fix the format of mac. + (movsi_h8300hs): Output a tab after stmac instead of a space. + + * h8300.c (two_insn_adds_subs_operand): Improve code for detecting + profitable adds/subs sequences. + + * fold-const.c: Fix comment typos. + +2000-07-16 Laurynas Biveinis <lauras@softhome.net> + + * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL. + +2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation. + +2000-07-16 Neil Booth <NeilB@earthling.net> + + * cpplex.c: Update comments. + * README.Portability: Small update. + +2000-07-16 Neil Booth <NeilB@earthling.net> + + * README.Portability: Small update. + +2000-07-15 Richard Henderson <rth@cygnus.com> + + * config/ia64/ia64-protos.h (ia64_move_ok): Prototype. + * config/ia64/ia64.c (ia64_move_ok): New function. + * config/ia64/ia64.md (movqi, movqi_internal): Use it. + (movhi, movsi, movdi, movsf, movdf, movxf): Likewise. + +2000-07-15 Zack Weinberg <zack@wolery.cumb.org> + + * cpphash.c (save_expansion): Clear PREV_WHITE on tokens + immediately following a paste operator. + * cppinit.c (sort_options): New function (only for HOST_EBCDIC). + (cpp_reader_init): Call it, if HOST_EBCDIC. + (cpp_handle_options): Do not sort option list here. + (handle_option): Rename to cpp_handle_option and export. + * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use + _cpp_get_token directly. + (cpp_scan_line): Return 0 at EOF, 1 otherwise. + * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1. + * cpplib.h: Prototype cpp_handle_option. Update prototype of + cpp_scan_line. + +2000-07-15 Richard Henderson <rth@cygnus.com> + + * fold-const.c (extract_muldiv): Don't optimize past an unsigned + cast around an expression. Tidy other unsigned tests. + +2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com> + + * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice, + v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove. + (v_message_with_decl): Rename to ... + (format_with_decl): ... this. Tweak + (diagnostic_for_decl): New function. + (fatal_io_error): Use verbatim in lieu of notice. + (announce_function): Use verbatim. + (default_print_error_function): Likewise. + (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new + infratructure. + +2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * mips.c (function_arg_pass_by_reference): Don't do automatic + aggregate initialization. + (machine_dependent_reorg): Initialize variable `mode'. + + * mips.md (absdi2): Change variable `regno1' to unsigned int. + (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid + conflicts with sys/param.h macro of the same name. + (reload_outdi): Likewise. + +2000-07-15 Michael Meissner <meissner@redhat.com> + + * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO + == CONST + INCREMENT, don't overwrite the tree node for FOO++, + create a new node instead. + +2000-07-15 Neil Booth <NeilB@earthling.net> + + * README.Portability: Correct example about calling a function + through a pointer to function. Format wide paragraphs. + +2000-07-15 Michael Meissner <meissner@redhat.com> + + * README.Portability: Update integer suffixes and function + prototype sections. + +2000-07-15 Neil Booth <NeilB@earthling.net> + + * README.Portability: Small update. + +2000-07-15 Neil Booth <NeilB@earthling.net> + + * README.Portability: New file. + +Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com> + + * INSTALL: Give special instructions for building GCC on Irix 6. + * config/mips/x-iris6 (CC): Don't set it. + (OLDCC): Likewise. + +2000-07-14 Jason Merrill <jason@redhat.com> + + * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA + register in the stack and later in another register, use the new + register. + +Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com> + + * config/mips/mips.md: (absdi2): Handle sign_extend for + second operand. + +2000-07-14 Nathan Sidwell <nathan@codesourcery.com> + + * cpplib.c (do_pragma_dependency): Tidy warning messages. + +2000-07-14 Zack Weinberg <zack@wolery.cumb.org> + + * .cvsignore: Correct typo. + +2000-07-13 Mark Mitchell <mark@codesourcery.com> + + * .cvsignore: Add generated YACC files. + * objc/.cvsignore: New file. + +2000-07-14 Neil Booth <NeilB@earthling.net> + + * cpplex.c (adjust_column): New function. + (skip_whitespace): Use it. + (skip_block_comment): Use it, and warn about /*/* with + -Wcomments. + +2000-07-14 Neil Booth <NeilB@earthling.net> + + * cpphash.c (struct macro_info): Add new members. + (_cpp_free_definition): Delete the macro directly. + (count_params): Return void, with first token of + expansion in struct macro_info on success. + (parse_define): Return int. Hoist syntax checking from + save_macro_expansion. Leave call to save_expansion to + _cpp_create_definition. + (alloc_macro): Needs just 2 arguments. + (free_macro): Delete. + (save_expansion): Don't perform syntax check. + (_cpp_create_definition): Call save_expansion. + +2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * genrecog.c (write_header): Split long string. + + * cpphash.c (macro_info): Don't use the `signed' keyword. + + * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__. + +2000-07-13 Jakub Jelinek <jakub@redhat.com> + + * calls.c (stored_args_map): New variable. + (check_sibcall_argument_overlap_1): New. + (check_sibcall_argument_overlap): New. + (expand_call): Initialize stored_args_map. + Call check_sibcall_argument_overlap. + +2000-07-13 Bruce Korb <bkorb@gnu.org> + + * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count + (emit_gnu_type): utility procedure for gnu_type_fix + (gnu_type_fix): implement various pre-processor guards around + standard types so these types can be defined over and over + * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard + types alluded to above will have GNU-compliant base types + * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct + * fixinc/inclhack.def: add test_text entries and utilize the new + "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types. + * fixinc/fixincl.x: regenerate + +2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com> + + * diagnostic.c (vline_wrapper_message_with_location, + v_message_with_file_and_line, v_error_with_file_and_file, + v_error_for_asm, v_warning_for_asm, vfatal, + v_warning_with_file_and_line, v_pedwarn_with_file_and_line, + vsorry, verror, vwarning, vpedwarn): Remove. + (diagnostic_for_asm): New function. + (pedwarn, error, warning, pedwarn_with_file_and_line, + error_with_file_and_line, warning_with_file_and_line, sorry, + error_for_asm, warning_for_asm, fatal): Reimplement. + (finish_diagnostic): Clear diagnostic info as well. + +2000-07-13 Neil Booth <NeilB@earthling.net> + + * c-common.h (flag_digraphs): New. + * c-decl.c (c_decode_option): Set flag_digraphs as appropriate. + * c-lex.c (yylex): Use flag_digraphs to decide whether to + honour digraphs. + +2000-07-13 Zack Weinberg <zack@wolery.cumb.org> + + * gcc.c (do_spec_1): Add new %B operator. + (set_input): Prepare for %B. + + (link_command_spec): Move up with the other tm.h- + overrideable specs. Factor out the portion conditional on + LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc). + (struct compiler): Just have a single spec string. All users + updated. + (default_compilers): Remove unnecessary braces. + (static_specs): Update. + + (trad_capable_cpp, cpp_options, cc1_options, asm_options): New + named specs. + (C and assembly specs): Use the new named specs, as appropriate. + + * objc/lang-specs.h: Use the new named specs. + Remove unnecessary braces. + +2000-07-12 Zack Weinberg <zack@wolery.cumb.org> + + * gcc.c (execute): If a subprocess gets a fatal signal, report + strsignal() of the signal number, and ask for a bug report. + Do not do this for SIGPIPE if there's already been an error. + + * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE. + Delete pipe_closed. + + * tradcif.c: Remove. + +2000-07-12 Zack Weinberg <zack@wolery.cumb.org> + + * final.c (profile_function): Do not emit profile counters in + the data section, if NO_PROFILE_COUNTERS is defined. + * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for + FUNCTION_PROFILER. + + * config/i386/linux.h (NO_PROFILE_COUNTERS): Define. + (FUNCTION_PROFILER): Just emit a call to mcount. + +2000-07-12 Zack Weinberg <zack@wolery.cumb.org> + + * tradcpp.c (main): Rename 'perror' label to 'sys_error'. + + * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c, + cpplib.c, cpplib.h: Eradicate all traces of code dependent on + traditional, lang_chill, or lang_fortran. + + * cppfiles.c: #undef strcmp to suppress warning about macros + used without arguments. + (_cpp_execute_include): Use f, not fname, in "No include path" + error. + (_cpp_pop_file_buffer): New function. + * cpplib.c: Don't include <sys/mman.h>. + (cpp_push_buffer): Set line_base and lineno in new buffer. + (cpp_pop_buffer): Use _cpp_pop_file_buffer. + + * cpplex.c: Move all prototypes and structure declarations to the + top of the file. Properly parenthesise some macro arguments. + (cpp_scan_line): New function. + (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth, + don't need to walk up the stack counting. + +2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-common.c (combine_strings): Emit a pedantic warning when a + string length is greater than the minimum ANSI C is required + to support. + +Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com) + + * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill. + * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill. + +2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-decl.c (define_label): Warn about identifier conflicts with + labels in traditional C. + + * c-parse.in (unop +): Warn about the unary plus operator for + traditional C. + + * c-typeck.c (store_init_value): Warn about automatic aggregate + initialization for traditional C. + + * invoke.texi (-Wtraditional): Document new warnings. + +2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com> + + * Makefile.in (c-errors.o): Fix thinko in dependency. + +2000-07-12 Zack Weinberg <zack@wolery.cumb.org> + + * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of + -traditional, -ftraditional, or -traditional-cpp was given. + Do not pass -traditional to the preprocessor. + (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the + preprocessor does it automatically. + * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__. + + * ch/lang-specs.h: Always use tradcpp. Do not pass + -traditional, -trigraphs, or -pedantic to the preprocessor. + * f/lang-specs.h (.F spec): Likewise. Don't bother defining + _LANGUAGE_FORTRAN. + +2000-07-12 Zack Weinberg <zack@wolery.cumb.org> + + * cppexp.c (LOGICAL): Delete macro. + (_cpp_parse_expr): Do not use UNARY for unary +. Implement || + and && directly. + + * cpphash.c (HASHSIZE): Increase to 4096. + (struct hashdummy): Add hash field. + (eq_HASHNODE): Compare unreduced hashes, then lengths, then + the string values using memcmp. + (cpp_lookup): Set dummy.hash. + +Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org> + + * configure.in (m88k-openbsd): Express configuration using new fragment + style. + * configure: Rebuilt. + * m88k/aout-dbx.h: New. + * m88k/openbsd.h: New. + * m88k/xm-openbsd.h: New. + +2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * expr.c (expand_expr): Return const0_rtx, not error_mark_node. + +2000-07-12 Richard Henderson <rth@cygnus.com> + + * reload.c (push_secondary_reload): Make sure to add the new + reload at the end, after acquiring secondary memory. + +2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL. + + * c-decl.c (set_current_function_name_declared, anon_aggr_type_p, + lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED. + + * c-parse.in (stmt): Delete unused variables. + + * convert.c (convert_to_vector): Likewise. + + * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'. + + * tree.c (finish_vector_type): Prototype. + +2000-07-12 Bruce Korb <bkorb@gnu.org> + + * fixinc/fixfixes.c: use xmalloc + * fixinc/fixincl.c(initialize): set program name for xmalloc + * fixinc/fixlib.c(must_malloc): obsolete + (is_cxx_header): no longer used - disabled + (skip_quote): inserted and disabled for future use + * fixinc/fixlib.h: reflects above + * fixinc/fixtests.c: removed dinkleberries + +2000-07-12 Neil Booth <NeilB@earthling.net> + + * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c. + * cpplex.c (TOKEN_SPELL) Move to cpphash.h. + + * cpphash.c: (struct macro_info, alloc_macro, free_macro, + struct toklist_dummy): New. + (cpp_free_definition): Free macros with free_macro. + (count_params): Don't save parameter spellings. Save macro + information in a struct macro_info. + (parse_define): Don't allocate a token list. + (save_expansion): Allocate the macro's token list, and + save parameter spellings if necessary. Use TOKEN_SPELL. + (cpp_create_definition): Make list const. + +2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com> + + * c-typeck.c (pedwarn_c99): Move to + * c-errors.c: ... Here. + * toplev.h (verror, vwarning, vpedwarn): Remove prototypes. + * diagnostic.c (verror, vwarning, vpedwarn): Make static. + * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o + (c-errors.o): List dependency. + +2000-07-12 Mark Mitchell <mark@codesourcery.com> + + * c-parse.c: Remove. + * c-parse.h: Likewise. + * c-parse.y: Likewise. + * objc/objc-parse.c: Likewise. + * objc/objc-pasre.y: Likewise. + +2000-07-11 Rodney Brown <RodneyBrown@pmsc.com> + + * gcc.texi: Fix minor typos + * extend.texi: Fix minor typos + +2000-07-11 Marc Espie <espie@openbsd.org> + + * collect2.c (main): Recognize .lo as object files. + +2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca> + + * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is + true. + + * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems + with MAP_ANONYMOUS and MAP_ANON. + * configure, config.in: Rebuilt. + +2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com> + + * diagnostic.c (save_output_state): Remove. + (restore_output_state): Likewise. + (clear_text_info): New function. + (clear_diagnostic_info): Likewise. + (output_text_length, is_starting_newline, output_prefix, + line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for, + prefixing_policy, output_buffer_ptr_to_format_args): New macros + (set_real_maximum_length, output_set_maximum_length, + output_set_prefix, output_get_prefix, output_set_maximum_length, + output_destroy_prefix, init_output_buffer, + reshape_diagnostic_buffer, output_space_left, output_emit_prefix, + output_add_newline, output_add_character, output_add_space, + output_append_r, output_append, wrap_text, output_format, + output_do_printf, output_printf, output_do_verbatim, + output_verbatim, verbatim): Use them. + (output_clear): Split into cleat_text_info and + clear_diagnostic_info. + (struct output_state): Move to... + + * diagnostic.h: ...Here + (struct output_buffer): Adjust. + +2000-07-11 Zack Weinberg <zack@wolery.cumb.org> + + * cpplex.c (parse_name): No longer inline (premature optimization). + (do_pop_context): Fold into pop_context. + (pop_context): Returns int. + (lex_next): Hoist test for end of directive into pop_context. + (push_macro_context): Returns int; takes just reader and token. + Hoist test for excessive nesting to caller. + (push_arg_context): Returns void; takes just reader and token. + Do not call stringify_arg or get_raw_token. + (get_raw_token): Convert tail recursion through push_arg_context + to a loop at this level. Call stringify_arg here if appropriate. + (maybe_paste_with_next): Convert tail recursion to a while loop. + Hoist test of paste_level to caller. + + (stringify_arg): Push arg context at beginning. + (cpp_get_token): Split out core into _cpp_get_token. Call + process_directive here. Throw away CPP_PLACEMARKER tokens. + (_cpp_get_token): Convert tail recursion through + push_macro_context to a loop at this level. + (_cpp_glue_header_name, is_macro_disabled, stringify_arg, + _cpp_get_raw_token): Use _cpp_get_token. + (_cpp_skip_rest_of_line): Drop the context stack directly; do + not call pop_context. + (_cpp_run_directive): Call lex_next directly. + + * cpphash.h: Prototype _cpp_get_token. + * cppexp.c (lex): Use it. + * cpphash.c (parse_define): Use it. + * cpplib.c (get_define_node, do_undef, parse_include, + read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc, + do_pragma_implementation, do_pragma_poison, do_pragma_dependency, + parse_ifdef, validate_else): Use it. + (cpp_push_buffer): Tweak error message; abort if anyone tries + to push a buffer while macro expansions are stacked. + +2000-07-11 Donn Terry <donnte@microsoft.com> + + * cpplex.c (free_macro_args, save_token): Cast arg of free + and/or xrealloc to PTR. + (_cpp_init_input_buffer): Clear all fields of the base context. + +Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com> + + * gensupport.c (process_rtx): Make rtl checking stop + complaining about the define_insn while it is being + converted from a define_insn_and_split. + +Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com> + + * config/mips/mips.c (simple_memory_operand): Access the + INTVAL of the address, not it's containing MEM. + +2000-07-11 Bruce Korb <bkorb@gnu.org> + + * fixinc/fixtests.c(double_slash): obsolete + (else_endif_label): likewise + * fixinc/inclhack.def(irix_multiline_cmnt): obsolete + (libc1_ifdefd_memx): correct initial comment + and omit the #if/#endif pair from the memxxx declarations + * fixinc/fixincl.x: regen + +2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cpplex.c (T, I, S, C, N): Avoid non-constant initializers. + +2000-07-11 Neil Booth <NeilB@earthling.net> + + * cpp.texi: Update. + +2000-07-11 Neil Booth <NeilB@earthling.net> + + * cppinit.c: (cpp_reader_init): Allow digraphs by default. + (handle_option): Set digraphs according to standard. + Merge OPT_lang_c89 handler with OPT_std_c89. + + * cpplex.c: (lex_line, can_paste): Honour digraphs in + accordance with the digraphs flag. + + * cpplib.h: (struct cpp_options): New option digraphs. + +2000-07-10 Hans-Peter Nilsson <hp@axis.com> + Bruce Korb <bkorb@gnu.org> + + * fixinc/inclhack.def (libc1_ifdefd_memx): New fix. + * fixinc/fixincl.x: Regenerate. + * fixinc/tests/base/testing.h: Add testcase. + +2000-07-10 Richard Henderson <rth@cygnus.com> + + * config/ia64/ia64.c (got_symbolic_operand): New. + (symbolic_operand, move_operand): Revert 0701 change. + * config/ia64/ia64.h (PREDICATE_CODES): Update. + * config/ia64/ia64-protos.h (got_symbolic_operand): Declare. + * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand; + split the offset into a 14-bit low part instead of a 13-bit low part. + (load_fptr): Mark the mem as unchanging. + (load_symptr): Use got_symbolic_operand. + +2000-07-10 Nick Clifton <nickc@cygnus.com> + + * libgcc2.c (next_stack_level): Cast result of computation to + (void **) so that the assignment does not generate a warning. + +2000-07-10 Chandrakala Chavva <cchavva@redhat.com> + + * flags.h : Add new variable flag_single_precision_constant. + * toplev.c (display_help) : Add -fsingle-precision-constant option. + (flag_single_precision_constant): New. + * c-lex.c (yylex): Convert floating point constant to single + precision constant. + * invoke.texi : Add documentation for this new option. + +2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com> + + * diagnostic.c (output_octal): Second parameter is unsigned. + (output_long_octal): Likewise. + (output_hexadecimal): Likewise. + (output_long_hexadecimal): Likewise. + (output_format): Adjust arguments extraction. Tweak. + (output_verbatim, verbatim): End variable argument list. + (report_diagnostic): Improve documentation. + +2000-07-10 Benjamin Chelf <chelf@codesourcery.com> + + * c-common.h (build_stmt): Declare. + (build_continue_stmt): Likewise. + (build_break_stmt): Likewise. + (build_return_stmt): Likewise. + + * c-decl.c (do_case): Rewrite to do what previously done in + c-parse.in. + + * c-semantics.c (build_stmt): Define. + (build_return_stmt): Likewise. + (build_break_stmt): Likewise. + (build_continue_stmt): Likewise. + (build_case_label): Likewise. + + * c-parse.in (BREAK): Change to build tree, then generate RTL. + (CONTINUE): Likewise. + (RETURN): Likewise. + (CASE): Likewise. + (DEFAULT): Likewise. + + * c-parse.y: Regenerate. + * c-pasre.c: Likewise. + +2000-07-09 Jason Merrill <jason@redhat.com> + + * expr.c (expand_expr): Bail earlier if we get an error_mark_node. + + * tree.h (STRIP_NOPS): Check for error_mark_node. + (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise. + (dwarf2out_*): Remove duplicate declarations. + + * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from + DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN. + +2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com> + + * diagnostic.c (wrap_text): New function. + (maybe_wrap_text): Likewise. + (output_add_string): Use it. + (output_format): Likewise. + (count_error): Use verbatim instead of notice. + (report_error_function): Likewise. Don't use plain fprintf. + (finish_diagnostic): New function. + (output_do_verbatim): Tweak. Commonalize functionalities in + output_verbatim and verbatim. + (output_verbatim): Adjust. + (verbatim): Likewise. + (report_diagnostic): Define. + + * diagnostic.h (report_diagnostic): Prototype. + +2000-07-09 Zack Weinberg <zack@wolery.cumb.org> + + * cppexp.c (_cpp_parse_expr): Don't use unary plus. + +2000-07-09 Neil Booth <NeilB@earthling.net> + + * cpphash.h: ISvspace, is_vspace, is_nvspace: New. + IShspace, ISspace: Update. + + * cppinit.c: ISTABLE: Update. + V: New. + + * cpplex.c (IS_HSPACE, S_NEWLINE): Remove. + (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE. + (skip_block_comment, skip_line_comment, parse_string, + lex_line): Use is_vspace rather than IS_NEWLINE. + (skip_whitespace, lex_line): Clean up to use is_nvspace. + (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive + gets a BOL flag. + (lex_next): Unconditionally stop if within a directive. + Treat directives within macro invocations as directives + (after parse_args emits error), not as the argument. + +2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com> + + * diagnostic.c (diagnostic_args): New macro. + (diagnostic_msg): Likewise. + (output_formatted_integer): Likewise. + (output_state): New data type. + (digit_buffer): Make global. + (output_add_integer): Rename to output_decimal. Squeeze + digit_buffer. + (output_long_decimal, output_unsigned_decimal, + output_long_unsigned_decimal, output_octal, output_long_octal, + output_hexadecimal, output_long_hexadecimal): New functions. + (output_append_r): New function. + (output_append): Tweak. + (output_flush_on): Rename to output_to_stream. + (output_format): Change prototype. Improve documentation. Handle + more format specifiers. + (build_location_prefix): Rename to context_as_prefix. + (output_notice): Rename to output_do_printf. + (output_printf): Tweak. + (line_wrapper_printf): Likewise. + (vline_wrapper_message_with_location): Adjust call to renamed + functions. + (v_message_with_decl): Likewise. + (default_print_error_function): Likewise. + (save_output_state): New function. + (restore_output_state): Likewise. + (output_do_verbatim): Likewise. + (output_verbatim): Define. + (verbatim): Likewise. + + * diagnostic.h (printer_fn): Change return type from void to int. + Improve documentation. + (output_add_integer): Rename to output_decimal. + (output_flush_on, output_format): Don't export. + (output_verbatim, verbatim): Declare. + +2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl> + + * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR: + Check whether c divides op1 exactly if operation is not + multiplication. + +2000-07-08 Richard Henderson <rth@cygnus.com> + + * final.c (final): Do not abort when reg-stack introduces + a new insn. + +2000-07-08 Zack Weinberg <zack@wolery.cumb.org> + + * cpplib.h (struct cpp_name): Now struct cpp_string. + (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT, + CPP_HEADER_NAME): Change to type S. + (struct cpp_token): Rename 'name' field to 'str'. Add 'node' + field, a cpp_hashnode *. All references to val.name updated + to use val.str or val.node as appropriate. + (struct cpp_reader): Add spec_nodes field. + (cpp_idcmp): Now cpp_ideq; takes a token * and a char *. + + * cpphash.h (struct spec_nodes): New. + (enum spell_type): Reorder. Only SPELL_STRING tokens use + val.str. All references to 'spelling > SPELL_NONE' updated to + match. + + (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and + pfile->buffer->inc are not NULL before dereferencing them. + + * cpplex.c (parse_name): Take a pointer to the current token, + plus current position and limit as args; return the new + position; don't copy the text of a name into the string + buffer, instead call cpp_lookup and store the node pointer. + If extending a token, copy out the text of the old into a + scratch buffer, append the new, look that up and store the new + node pointer. Inline. + (maybe_paste_with_next): If the result of paste is a NAME, + then look up the pasted text and store its node pointer. + (lex_line): Adjust for new parse_name interface. + Check for L"str", L'str' using spec_nodes->n_L. + (spell_token): SPELL_IDENT tokens have their spelling in + val.node->name. Handle SPELL_STRING tokens that don't have + string delimiters. + (_cpp_expand_name_space, + (can_paste): Check for L ## "str" using spec_nodes->n_L. + (cpp_get_token, special_symbol): No need to call cpp_lookup. + (cpp_idcmp): Now cpp_ideq; take a token * and a const char *; + return 1=equal 0=not, not a tristate. + + * cpphash.c (var_args_str): Delete. + (find_param): Compare node fields directly. + (is__va_args__): Use CPP_PEDANTIC. Just compare + token->val.node with spec_nodes->n__VA_ARGS__. + (dump_funlike_macro): Don't use var_args_str. + + * cpplib.c (_cpp_check_directive): Just walk through + spec_nodes->dirs comparing pointers. + (get_define_node, do_pragma_poison, detect_if_not_defined, + parse_ifdef): The identifier has already been looked up. + (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned + node. + (do_if): Only call detect_if_not_defined at beginning of file. + (_cpp_parse_assertion): Only copy string pointers for + SPELL_STRING tokens. + (pragma_dispatch): Take a node pointer and examine its name + field. + (_cpp_init_stacks): Also initialize the spec_nodes structure. + + * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after + _cpp_init_macros. + (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in + reverse order from the corresponding _cpp_init_* routines. + + * cppexp.c (parse_number, parse_charconst, parse_defined, + lex): Check val.node->type instead of calling cpp_defined. + Use spec_nodes entries where appropriate. + + * fix-header.c, scan-decls.c: Update for interface changes. + +2000-07-08 Geoffrey Keating <geoffk@cygnus.com> + + * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for + emitting aux_truncdfsf2. + +2000-07-03 Donn Terry (donnte@microsoft.com) + + * cppinit.c (print_help): split overlong line into ISO C89 + maximum chunks. + +2000-07-07 Zack Weinberg <zack@wolery.cumb.org> + + * cppexp.c: Update all code for new lexer interface. + (op_t, operator codes, struct token, tokentab2, op_to_str): Remove. + (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New. + * cpplex.c (token_names): Trim leading CPP_ from names; make + the strings unsigned. + (_cpp_spell_operator): New. + (is_macro_disabled): Disable all macros if rescanning + preprocessed text. + (_cpp_get_directive_token): Remove. + + * cppinit.c: Don't set no_macro_expand. + * cpplib.c (read_line_number, do_line): Check only for EOF, + not VSPACE. + * cpphash.h: Update prototypes. + * cpplib.h (CPP_VSPACE): Remove. + (struct cpp_reader): Remove no_macro_expand. + +2000-07-08 Neil Booth <NeilB@earthling.net> + + * cpphash.c (is__va_args__): New function. + (count_params): Fix line reported in error messages. Use + is__va_args__. Don't return ')' on error. Flag GNU style + rest args macro definitions. + (parse_define): Check macro name is not __VA_ARGS__. + (save_expansion): Check identifier in non-varargs-macro is + not __VA_ARGS__. Don't flag GNU_VARARGS. + * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS. + (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather + than per-token GNU_VARARGS. + * cpplib.h (GNU_VARARGS): Remove. + (GNU_REST_ARGS): New. + +Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz> + + * i386.md (call_pop, call, call_value_pop): Do not set + current_function_uses_pic_offset_table for calls to static + functions or indirect calls. + +2000-07-07 Jim Wilson <wilson@cygnus.com> + + * config/ia64/ia64.c (rws_access_reg): New local write_count. If + is_predicate_reg, then take max write_count of register pair. + +2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * tradcpp.c (main): Rename label `include' to `add_include' to + avoid conflicts with variable `include' in traditional C. + +2000-07-07 Jakub Jelinek <jakub@redhat.com> + + * integrate.c (copy_insn_list): Remove REG_LABEL notes. + +2000-07-07 Jakub Jelinek <jakub@redhat.com> + + * sibcall.c (uses_addressof): Add INMEM argument, check for + current_function_internal_arg_pointer outside of MEM rtxs in addition + to ADDRESSOFs. + (sequence_uses_addressof): Update caller. + +2000-07-07 Zack Weinberg <zack@wolery.cumb.org> + + * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE + and friends. + +2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * system.h (UNION_INIT_ZERO): New macro for initializing union + members in structs. + + * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO. + +2000-07-07 Neil Booth <NeilB@earthling.net> + + * cpp.texi: Update. + +Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com) + + * final.c (final): Detect out of bounds array access to + the insn_lengths array. + +2000-07-07 Kazu Hirata <kazu@hxi.com> + + * fold-const.c (fold): Fix a comment typo. + +2000-07-07 Neil Booth <NeilB@earthling.net> + + * cpp.texi: Update to new lexer. + +2000-07-06 Zack Weinberg <zack@wolery.cumb.org> + + * tradcpp.c: New file. + * tradcif.y: New file. + * tradcif.c: New generated file. + + * Makefile.in: Add rules to build tradcpp.o, tradcif.o, + $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and + dependencies of C. Install tradcpp from install-common, in + $(libsubdir). + +2000-07-06 Zack Weinberg <zack@wolery.cumb.org> + + * cppinit.c: Include cppdefault.h. Refer to + cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly + to GCC_INCLUDE_DIR and its length. + (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE, + USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include, + STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to + cppdefault.h. + (include_defaults_array): Move to cppdefault.c. + + * cppdefault.h: New file. + * cppdefault.c: New file. + + * Makefile.in (LIBCPP_OBJS): Add cppdefault.o. + (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file. + (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to + this file. + +Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * reload.c (push_reload): When seeing if can reuse a register, + check extra registers against widest of INMODE and OUTMODE. + +2000-07-06 Neil Booth <NeilB@earthling.net> + + * cpplib.c: (_cpp_parse_assertion): Perform hash lookups + based on full length of predicate. + +2000-07-06 Hans-Peter Nilsson <hp@axis.com> + + * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>. + [NEED_DECLARATION_GETRUSAGE]: Declare getrusage. + +2000-07-05 Kazu Hirata <kazu@hxi.com> + + * h8300-proto.h: Fix formatting. + * h8300.c: Likewise. + * h8300.h: Likewise. + +2000-07-05 Jim Wilson <wilson@cygnus.com> + + * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow + CCmode. + +2000-07-05 Rodney Brown <RodneyBrown@pmsc.com> + + * invoke.texi: Fix minor typos + * md.texi: Fix minor typos + +2000-07-05 Zack Weinberg <zack@wolery.cumb.org> + + * cpplib.c (_cpp_parse_assertion): Fix buffer overrun. + +2000-07-04 Zack Weinberg <zack@wolery.cumb.org> + + * cpplex.c: Don't include sys/mman.h. + (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c. + + * cpplib.c: Include sys/mman.h and obstack.h. + (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an + obstack. + (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack. + (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't + bother freeing if stack entries (they will be freed with their buffer). + (do_endif): Free if stack entries from the buffer obstack. + (push_conditional): Allocate if stack entries from the buffer obstack. + + (find_answer): Rename to _cpp_find_answer. + (do_assert, do_unassert): Update. + + * cpphash.h: Update prototypes. + (xobnew): New convenience macro. + * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields. + Update comments. + (struct cpp_hashnode): Remove disabled field. + + * cppinit.c: Don't include hashtab.h or splay-tree.h. + (report_missing_guard): Moved to cppfiles.c. + (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros, + cpp_init_includes. + (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros, + cpp_cleanup_includes. Don't destroy hashtab or + all_include_files here. + (cpp_finish): Use _cpp_report_missing_guards. + + * cppfiles.c (report_missing_guard): Moved from cppinit.c. + (_cpp_init_include_table): Rename _cpp_init_includes. + (_cpp_cleanup_includes, _cpp_report_missing_guards): New. + + * cppexp.c (parse_assertion): Update for new name of + find_answer. + + * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps. + +2000-07-04 Zack Weinberg <zack@wolery.cumb.org> + + * cpplib.c (do_ident): s/VSPACE/EOF/ + +2000-07-05 Neil Booth <NeilB@earthling.net> + + * cpplex.c: Fix trigraph replacement within strings. + +2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier. + + * xcoffout.c (assign_type_number): Constify. + (xcoffout_source_file): Add static prototype. Don't needlessly + cast away const-ness. + +2000-07-04 Jason Merrill <jason@redhat.com> + + * frame.h (frame_state): Move base_offset to end. + +Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com> + + * calls.c (emit_library_call_value_1): Revert previous change. + +2000-07-03 Zack Weinberg <zack@wolery.cumb.org> + + * fix-header.c (struct partial_proto): Remove unnecessary fields. + (recognized_extern, recognized_function, read_scan_file): + Update for new scheme. + (check_protection): It's still a multiple include guard even + if it doesn't always trigger. + * scan-decls.c (skip_to_closing_brace, scan_decls): Update for + new scheme. + * scan.h: Declare struct cpp_token. Update prototypes. + +2000-07-03 Neil Booth <neilb@earthling.net> + Zack Weinberg <zack@wolery.cumb.org> + + Complete overhaul of the lexer and macro expander. + + * cpphash.c (object_defn, funct_defn, push_macro_expansion, + arg, arglist, argdata, reflist, collect_objlike_expansion, + collect_funlike_expansion, collect_params, + warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat, + unsafe_chars, macarg, compare_defs, special_symbol, + scan_arguments, stringify, funlike_macroexpand, + _cpp_quote_string, monthnames): Delete. + (cpp_lookup, _cpp_free_definition, dump_funlike_macro, + _cpp_create_definition, _cpp_dump_definition, + dump_hash_helper): Adjust. + (find_param, count_params, parse_define, var_args_str, + check_macro_redefinition, save_expansion): New. + + * cpplex.c (skip_block_comment, skip_line_comment, parse_name, + parse_string, output_line_command, trigraph_replace, + lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens, + cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist, + cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer, + _cpp_skip_rest_of_line): Modify. + + (maybe_macroexpand, skip_comment, copy_comment, skip_string, + find_position, null_warning, bump_column, expand_name_space, + pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist, + _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace, + _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token, + _cpp_prescan): Delete. + + (dump_param_spelling, process_directive, lex_next, + is_macro_disabled, stringify_arg, expand_context_stack, + output_token, make_string_token, alloc_number_token, + special_symbol, duplicate_token, maybe_paste_with_next, + can_paste, prevent_macro_expansion, restore_macro_expansion, + get_temp_token, release_temp_tokens, quote_string, + token_names, token_spellings, _cpp_expand_name_space, + _cpp_glue_header_name, _cpp_reserve_name_space, + digraph_spellings, trigraph_ok, skip_whitespace, save_comment, + placemarker_token, eof_token, cpp_context, macro_args, + get_raw_token, parse_arg, parse_args, save_token, + push_arg_context, push_macro_context, pop_context, + do_pop_context, free_macro_args, _cpp_get_line, + _cpp_run_directive): New. + + * cpplib.c (validate_else, parse_include, push_conditional, + pass_thru_directive, read_line_number, parse_ifdef, + detect_if_not_defined, _cpp_check_directive, do_define, + do_undef, do_include, do_import, do_include_next, do_error, + do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas, + top_pragmas, do_pragma_gcc, do_pragma_implementation, + do_pragma_poison, do_pragma_system_header, + do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else, + dl_elif, do_endif, _cpp_unwind_if_stack, do_assert, + do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert, + cpp_defined): Update for new scheme. + (strtoul_for_line, get_define_node, dump_macro_name, + _cpp_check_linemarker, _cpp_parse_assertion): New. + (_cpp_handle_directive, do_pragma_default): Delete. + + * cpphash.h (struct predicate): Now struct answer. + (enum spell_type, struct token_spelling, struct directive, + directive_handler): New. + Update prototypes. Remove unused macros. + * cpplib.h: Update prototypes. Remove unused macros, + structure definitions, and fields. + + * cpperror.c (print_containing_files, v_message): Adjust. + * cppexp.c (parse_assertion, lex, parse_escape, + _cpp_parse_expr): Adjust. + * cppfiles.c (open_include_file, _cpp_execute_include, + _cpp_compare_file_date, cpp_read_file, read_include_file): + Adjust. + * cppinit.c (dump_special_to_buffer): Delete. + (append_include_chain, merge_include_chains, cpp_reader_init, + cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read, + cpp_finish, handle_option, print_help): Adjust. + * cppmain.c (main): Adjust. + +2000-07-03 Zack Weinberg <zack@wolery.cumb.org> + + * cppspec.c (lang_specific_driver): Use double quotes in error + message. + +Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com> + + * calls.c (emit_library_call_value_1): Use valreg instead + of hard_libcall_value. + +2000-07-03 Geoff Keating <geoffk@cygnus.com> + + * config/rs6000/rs6000.c (rs6000_emit_move): New function. + * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move. + * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move. + (movhi): Likewise. + (movqi): Likewise. + (movdf): Likewise. + (movsf): Likewise. + (movdi): Likewise. + (movti): Likewise. + + * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when + mode instead of wider_mode is being used. + +2000-07-03 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead + of 'r'. Use q_regs_operand. + (andsi_1+2): Use q_regs_operand. + +2000-07-03 Jakub Jelinek <jakub@redhat.com> + + * builtins.c (get_memory_rtx): Always put into alias set 0. + +2000-07-03 Nick Clifton <nickc@cygnus.com> + + * config/arm/arm.md: Fix post increment and pre increment + peepholes so that they do not generate UNPREDICATBLE opcodes. + (ie ones where the increment clobbers the source/destination). + +2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl> + + * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer + change too big for -mtiny-stack" a warning, if larger than 63. + (out_set_stack_ptr): Change the logic so -mno-interrupts is + always safe to use on possible future devices. + (function_prologue): Write SPH before SPL, for consistency. + If interrupt_func_p true, we know we have enabled interrupts. + (avr_num_arg_regs): New function. Round up to even number of + bytes if no -mpack-args or if calling a libgcc function. + (function_arg, function_arg_advance): Use it. + (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out): + Output "movw" if available. + (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses + of TEST_HARD_REG_CLASS macro to test_hard_reg_class function. + (asm_output_section_name): Add blanks for consistent output. + (encode_section_info): Set TREE_READONLY for progmem data to + avoid gas warnings about changed section attributes. + (avr_hard_regno_mode_ok): Force non-QImode data to start in + even numbered registers on devices with "movw". + * config/avr/avr.h (MASK_*): Define bits for target_flags. + (TARGET_SWITCHES): Mark help strings for translation. + Add new -mpack-args and -menhanced switches. + (TARGET_OPTIONS): Mark help strings for translation. + (progmem_section): Add section attributes. + * config/avr/avr.md (*movhi, call_insn, call_value_insn): + Output "movw" if available. + (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh): + New patterns. + * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new + call convention (arguments aligned on even registers). + (_cleanup, _exit): Make weak symbols libc can override. + +2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * fp-bit.h: New file. + + * fp-bit.c: Move common code, prototypes, etc into fp-bit.h. + Comment #endif statements. + (__thenan_sf, __thenan_df): Add missing braces around initializer. + +Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com) + + * gcse.c (compute_pre_data): Compute ae_kill using other local + properties instead of calling compute_ae_kill. + + * alias.c (init_alias_analysis): Do not call + prologue_epilogue_contains until after reload has completed. + +2000-07-02 Benjamin Chelf <chelf@codesourcery.com> + + * c-common.h (genrtl_begin_compound_stmt): Remove declaration. + (genrtl_finish_compound_stmt): Likewise. + (genrtl_compound_stmt): Change to return void. + + * c-semantics.c (genrtl_begin_compound_stmt): Remove function and + move code from here to ... + (genrtl_compound_stmt): ... here. + (genrtl_finish_compound_stmt): Remove. + (expand_stmt): Add comment. + +2000-07-02 Zack Weinberg <zack@wolery.cumb.org> + + * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P + and VOID_TYPE_P. + +2000-07-02 Jakub Jelinek <jakub@redhat.com> + + * cpplib.h (struct cpp_reader): New field include_depth. + (struct cpp_printer): Rename last_bsd to last_id. + * cppfiles.c (read_include_file): Bump include_depth. + * cpplex.c (cpp_pop_buffer): Decrement include_depth. + (output_line_command): Output correct #line if a header + is including itself and is not protected against multiple inclusion. + Use include_depth instead of buffer_stack_depth, last_id instead of + last_bsd. + * cppinit.c (cpp_start_read): Initialize last_id instead of + last_bsd. + +2000-07-01 Benjamin Chelf <chelf@codesourcery.com> + + * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o. + (c-semantics.o): New target. + + * c-common.h (TREE_LANG_FLAG_?): Added documentation. + (genrtl_do_pushlevel): Moved from cp/cp-tree.h. + (genrtl_clear_out_block): Likewise. + (genrtl_goto_stmt): Likewise. + (genrtl_expr_stmt): Likewise. + (genrtl_decl_stmt): Likewise. + (genrtl_if_stmt): Likewise. + (genrtl_while_stmt): Likewise. + (genrtl_do_stmt): Likewise. + (genrtl_return_stmt): Likewise. + (genrtl_for_stmt): Likewise. + (genrtl_break_stmt): Likewise. + (genrtl_continue_stmt): Likewise. + (genrtl_scope_stmt): Likewise. + (genrtl_switch_stmt): Likewise. + (genrtl_case_label): Likewise. + (genrtl_begin_compound_stmt): Likewise. + (gerntl_finish_compound_stmt): Likewise. + (genrtl_compound_stmt): Likewise. + (genrtl_asm_stmt): Likewise. + (genrtl_decl_cleanup): Likewise. + (DECL_ANON_UNION_ELEMS): Likewise. + (emit_local_var): Likewise. + (make_rtl_for_local_static): Likewise. + (expand_cond): Likewise. + (expand_stmt): Likewise. + (c_expand_return): Likewise. + (c_expand_start_case): Likewise. + (do_case): Likewise. + (COMPOUND_STMT_NO_SCOPE): Likewise. + (c_expand_asm_operands): Likewise. + (NEW_FOR_SCOPE_P): New macro. + (expand_expr_stmt_fn): New type. + + (set_current_function_name_declared): Likewise. + (current_function_name_declared): Likewise. + (lang_expand_stmt): Likewise. + (stmts_are_full_exprs_p): Likewise. + (anon_aggr_type_p): Likewise. + (lang_expand_expr_stmt): Likewise. + (build_case_label): Likewise. + + * c-decl.c (lang_expand_expr_stmt): Initialize. + (stmts_are_full_exprs_p): Define. + (current_function_name_declared): Likewise. + (do_case): Likewise. + (lang_expand_stmt): Likewise. + (set_current_function_name_declared): Likewise. + (anon_aggr_type_p): Likewise. + + * c-semantics.c: New file. + (expand_cond): Moved from cp/semantics.c. + (genrtl_do_pushlevel): Likewise. + (genrtl_clear_out_block): Likewise. + (genrtl_goto_stmt): Likewise. + (genrtl_expr_stmt): Likewise. + (genrtl_decl_stmt): Likewise. + (genrtl_if_stmt): Likewise. + (genrtl_while_stmt): Likewise. + (genrtl_do_stmt): Likewise. + (genrtl_return_stmt): Likewise. + (genrtl_for_stmt): Likewise. + (genrtl_break_stmt): Likewise. + (genrtl_continue_stmt): Likewise. + (genrtl_scope_stmt): Likewise. + (genrtl_switch_stmt): Likewise. + (genrtl_case_label): Likewise. + (genrtl_begin_compound_stmt): Likewise. + (genrtl_finish_compound_stmt): Likewise. + (genrtl_compound_stmt): Likewise. + (genrtl_asm_stmt): Likewise. + (genrtl_decl_cleanup): Likewise. + (make_rtl_for_local_static): Moved from cp/decl.c. + (emit_local_var): Likewise. + (expand_stmt): Define. + + * c-tree.h: (c_expand_asm_operands): Moved to c-common.h. + (c_expand_return): Likewise. + (c_expand_start_case): Likewise. + +2000-07-01 Richard Henderson <rth@cygnus.com> + + * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions + with the low 13 bits set. + (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly. + * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one + of the low 13 bits into a CONST plus an adddi3. + (load_symptr): Set RTX_UNCHANGING_P. + +See ChangeLog.3 for earlier changes. |
