From-SVN: r25450

	* rtl.h (insn_first_p): Don't declare.
	* rtlanal.c (insn_first_p): Delete.
	* loop.c (loop_insn_first_p): Faster implementation.

From-SVN: r25436

	* loop.c (libcall_other_regs): Make extern.
	* rtl.h (find_last_value): Add parameter to prototype.
	(libcall_other_reg): Add extern declaration.
	* rtlanal.c (find_last_value): Add another parameter to allow
	a definition using a hardware register to be found as well.

From-SVN: r25378

        * output.h (current_function_has_computed_jump): Rename from
        current_function_addresses_labels.
        * function.h (struct function): Likewise for addresses_labels member.
        * rtl.h (FUNCTION_FLAGS_HAS_COMPUTED_JUMP): Likewise.
        * function.c (current_function_has_computed_jump): Likewise.
        Update all references.
        * integrate.c (function_cannot_inline_p):
        Test current_function_has_computed_jump instead of addresses_labels.
        (initialize_for_inline): Likewise save.
        (output_inline_function): Likewise restore.
        * expr.c (expand_expr): Don't reference addresses_labels variables.
        * stmt.c (expand_computed_goto): Set has_computed_jump.

From-SVN: r25100

Add copyright to resource.c.

From-SVN: r24999

Fri Jan 29 18:26:07 1999  Dave Brolley  <brolley@cygnus.com>
	* emit-rtl.c (remove_insn): New function.
	* rtl.h (remove_insn): Add prototype.
	* function.c (reposition_prologue_and_epilogue_notes): Call remove_insn.

From-SVN: r24908

	* rtl.h (insn_first_p): Declare.
	* rtlanal.c (insn_first_p): New function.
	* loop.h (varray.h): Include.
	(struct induction): Change combined_with to unsigned.
	New members derived, ix and last_use.
	(reg_iv_type, reg_iv_info): Now varray_type.  All references changed.
	(REG_IV_TYPE, REG_IV_INFO): Define.
	(first_increment_giv, last_increment_giv): Declare.
	* loop.c (loop_number_loop_cont): New static variable.
	(loop_number_cont_dominator): Likewise.
	(reg_iv_type, reg_iv_info): Now varray_type.
	(first_increment_giv, last_increment_giv): New variables.
	(compute_luids, verify_dominator, find_life_end): New functions.
	(cmp_recombine_givs_stats, recombine_givs): Likewise.
	(loop_optimize): Allocate loop_number_loop_cont and
	loop_number_cont_dominator.  Use compute_luids.
	(find_and_verify_loops): Initialize loop_number_loop_cont and
	loop_number_cont_dominator.
	(strength_reduce): Try to find bivs that can be expressed as givs
	of another biv, and to convert biv increments into givs.
	Call recombine_givs.  Handle derived givs.
	(record_biv): New argument location.  All callers changed.
	(record_giv): Initialize derived and last_use fields.
	(basic_induction_var): New argument location.  All callers changed.
	(combine_givs): Don't combine a DEST_REG giv with a DEST_ADDR giv.
	Increment combined_with instead of setting to 1.
	* unroll.c (derived_regs): New static variable.
	(unroll_loop): Initialize it.
	Allocate local_regno according to max_reg_num.
	(copy_loop_body): Cope with derived givs.
	(find_splittable_givs): Check for Givs made from biv increments.
	Set derived_regs for givs.
	* Makefile.in (stmt.o, loop.o, unroll.o): Depend on loop.h .

From-SVN: r24889

details.

From-SVN: r24879

        * final.c (bb_str): Qualify a char* with the keyword `const'.
        (add_bb_string, final_scan_insn, output_asm_insn): Likewise.
        * fix-header.c (read_scan_file): Likewise.
        * genoutput.c (output_epilogue, process_template): Likewise.
        * local-alloc.c (requires_inout, block_alloc): Likewise.
        * output.h (output_asm_insn, assemble_string): Likewise.
        * recog.c (recog_constraints, check_asm_operands,
        decode_asm_operands, extract_insn, preprocess_constraints,
        constrain_operands): Likewise.
        * recog.h (operand_alternative, recog_constraints, insn_template,
        insn_outfun, insn_operand_constraint, insn_name): Likewise.
        * regclass.c (record_reg_classes, scan_one_insn): Likewise.
        * regmove.c (find_matches): Likewise.
        * reload.c (alternative_allows_memconst): Likewise.
        * reload1.c (constraint_accepts_reg_p,
        reload_cse_simplify_operands): Likewise.
        * rtl.h (decode_asm_operands): Likewise.
        * scan.h (fn_decl): Likewise.
        * varasm.c (assemble_string): Likewise.

From-SVN: r24834

        * cse.c (fold_rtx): Revert 29 Dec change.
        (cse_insn): Revert 12 Jan change.
        * expr.c (expand_builtin): Don't emit CONST around CONSTANT_P_RTX.
        * regclass.c (reg_scan_mark_refs): Revert 29 Dec change.
        * rtl.def: Likewise.
        * rtl.h (CONSTANT_P): Likewise.
        * expr.c (emit_move_insn): Never try to flush CONSTANT_P_RTX
        to memory.
        * recog.c (immediate_operand): Accept CONSTANT_P_RTX.
        * alpha.c (input_operand): Likewise.
        * c4x.c (const_operand): Likewise.
        * explow.c (allocate_dynamic_stack_space): Use register_operand
        instead of arith_operand, which does not exist.
        * 1750a.h: Fix comment closure.
        * a29k.c (a29k_set_memflags): Fix typo in 19 Jan change.
        * arc.md (one_cmplsi2_set_cc_insn): Fix set mode mismatch.
        * arm.h (TARGET_SWITCHES): Fix typo.
        * i370.md (anon mult and div patterns): Fix set mode mismatch.
        * i860.c (output_delayed_branch): Fix operands to constrain_operands.
        (output_delay_insn): Likewise.
        * m88k.md (anon rotate insns): Fix set mode mismatch.
        (anon BLKmode moves): Commonize and fix set mode mismatches.
        * ns32k.md (udivmoddi[shq]i4_internal): Fix mode mismatch.
        * romp.md (movdf): Fix typo.

From-SVN: r24796

expr.c (do_jump_for_compare): Handle conditional branch expanders emitting multiple jump instructions.

        * expr.c (do_jump_for_compare): Handle conditional branch expanders
        emitting multiple jump instructions.
        * jump.c (condjump_label): New function.
        * rtl.h (condjump_label): Declare it.

From-SVN: r24773

	* rtl.h (rtx_def): Update documentation.
	(MEM_IN_STRUCT_P): Likewise.
	(MEM_SCALAR_P): New macro.
	(MEM_COPY_ATTRIBUTES): Likewise.
	(MEM_SET_IN_STRUCT_P): Likewise.
	* rtl.texi (MEM_SCALAR_P): Document.
	* alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES.
	(fixed_scalar_and_varying_struct_p): New function.  Use
	MEM_SCALAR_P rather than !MEM_IN_STRUCT_P.
	(aliases_everything_p): Likewise.
	(true_dependence): Use them.
	(write_dependence_p): New function, containing code common to
	anti_dependence and output_dependence.
	(anti_dependence): Use it.
	(output_dependence): Likewise.
	* calls.c (save_fixed_argument_area): Don't clear
	MEM_IN_STRUCT_P.
	(expand_call): Use MEM_SET_IN_STRUCT_P.
	(emit_library_call): Don't clear MEM_IN_STRUCT_P.
	(emit_library_call_value): Likewise.
	(store_one_arg): Use MEM_SET_IN_STRUCT_P.
	* combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES.
	(make_extraction): Likewise.
	(simplify_shift_const): Likewise.
	(gen_lowpart_for_combine): Likewise.
	* cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES.
	* emit-rtl.c (operand_subword): Likewise.
	(change_address): Likewise.
	* explow.c (stabilize): Use MEM_COPY_ATTRIBUTES.
	* expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES.
	(emit_group_store): Use MEM_SET_IN_STRUCT_P.
	(copy_blkmode_from_reg): Likewise.
	(store_field): Likewise.
	(expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P
	heuristically.  Use MEM_SET_IN_STRUCT_P.
	(get_memory_rtx): Likewise.
	* final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES.
	* function.c (assign_stack_temp): Clear MEM_SCALAR_P and
	MEM_ALIAS_SET on newly returned MEMs.
	(assign_temp): Use MEM_SET_IN_STRUCT_P.
	(put_reg_into_stack): Likewise.
	(fixup_var_refs1): Use MEM_COPY_ATTRIBUTES.
	(gen_mem_addressof): Use MEM_SET_IN_STRUCT_P.
	(assign_parms): Likewise.
	(expand_function): Likewise.
	* integrate.c (expand_inline_function): Likewise.
	(copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES.
	* loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P.
	* optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES.
	* print-rtl.c (print_rtx): Print /f for frame_related.
	* recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES.
	* reload1.c (reload): Copy MEM_SCALAR_P as well.
	* stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P.
	(expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES.
	* varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P.
	(output_constant_def): Likewise.
	* a29k.c (a29k_set_memflags_1): Take scalar_p.
	Set MEM_SCALAR_P.
	(a29k_set_memflags): Use it.
	* alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES.
	* c4x.c (c4x_scan_for_ld): Likewise.
	* h8300.c (fix_bit_operand): Likewise.
	* m88k.c (legitimize_address): Likewise.
	(block_move_loop): Likewise.
	(block_move_no_loop): Likewise.
	(block_move_sequence): Likewise.
	(m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
	* mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise.
	* rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES.
	* sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
	* arm.h (arm_gen_load_multiple): Take scalar_p.
	(arm_store_load_multiple): Likewise.
	* arm.c (arm_gen_load_multiple): Likewise.
	(arm_gen_store_multiple): Likewise.
	(arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P.

From-SVN: r24759

        * cpplib.c (special_symbol): Qualify a char* with the `const' keyword.
        Instead of writing to const char *buf directly, use a non-const
        variable `wbuf' to allocate and write a string, then set buf = wbuf.
        * cppulp.c (user_label_prefix): Qualify a char* with the `const'
        keyword.
        * dyn-string.c (dyn_string_append): Likewise.
        * dyn-string.h (dyn_string_append): Likewise.
        * final.c (end_final, output_operand_lossage, asm_fprintf): Likewise.
        * output.h (end_final, output_operand_lossage, asm_fprintf,
        named_section, decode_reg_name, make_decl_rtl, user_label_prefix):
        Likewise.
        * profile.c (init_branch_prob): Likewise.
        * toplev.c (set_target_switch, vmessage,
        v_message_with_file_and_line, v_message_with_decl,
        v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
        verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
        v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
        v_pedwarn_with_file_and_line, vsorry, v_really_sorry,
        open_dump_file, dump_rtl, clean_dump_file,
        print_version, print_single_switch, print_switch_values,
        dump_base_name, debug_args, lang_independent_options,
        user_label_prefix, documented_lang_options, target_switches,
        target_options, print_time, pfatal_with_name, fatal_io_error,
        fatal_insn, default_print_error_function, print_error_function,
        report_error_function, error_with_file_and_line, error_with_decl,
        error_for_asm, error, fatal, warning_with_file_and_line,
        warning_with_decl, warning_for_asm, warning, pedwarn,
        pedwarn_with_decl, pedwarn_with_file_and_line, sorry,
        really_sorry, botch, output_quoted_string, output_file_directive,
        open_dump_file, rest_of_decl_compilation, display_help, main):
        Likewise.
        * toplev.h (print_time, fatal, fatal_io_error, pfatal_with_name,
        fatal_insn, warning, error, pedwarn, pedwarn_with_file_and_line,
        warning_with_file_and_line, error_with_file_and_line, sorry,
        really_sorry, default_print_error_function, report_error_function,
        rest_of_decl_compilation, pedwarn_with_decl, warning_with_decl,
        error_with_decl, error_for_asm, warning_for_asm, output_quoted_string,
        output_file_directive, botch): Likewise.
        * tree.h (make_decl_rtl): Likewise.
        * varasm.c (strip_reg_name, named_section, decode_reg_name,
        make_decl_rtl): Likewise.

From-SVN: r24743

From-SVN: r24441

�
        * rtl.h (multiple_sets): Fix prototype.
        * rtlanal.c (multiple_sets): Fix return type.

From-SVN: r24303

	* rtl.h (recompute_reg_usage): Add second argument.
	* flow.c (recompute_reg_usage): Likewise.
	* toplev.c (rest_of_compilation): Supply second argument to
	recompute_reg_usage.

From-SVN: r24291

        * rtlanal.c (multiple_sets): New function.
        * rtl.h (multiple_sets): Declare it.
        * local-alloc.c (wipe_dead_reg): Use it.
        * global.c (global_conflicts): Likewise.
Should fix the m68k bootstrap problems.

From-SVN: r24283

Tue Dec  8 15:32:56 EST 1998  Andrew MacLeod  <amacleod@cygnus.com>
See ChangeLog.. These are the files that were changed:
	* eh-common.h (struct eh_context): Add table_index for rethrows.
	* rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
	* rtl.c (reg_note_name): Add strings for new reg_note enums.
	* expr.h (rethrow_libfunc): New library decl.
	* optabs.c (rethrow_libfunc): Initialize.
	* except.h (struct eh_entry): Add new field 'rethrow_label'.
	* except.c (create_rethrow_ref): New function to create a single
	* flow.c (make_edges): Add different edges for rethrow calls,
	* integrate.c (save_for_inline_eh_labelmap): New callback routine to
	* libgcc2.c (find_exception_handler): Generalize to enable it to
        * cp/except.c
        * cp/exception.cc

From-SVN: r24194

	* alias.c (addr_side_effect_eval): New function.
	(memrefs_conflict_p): Use it.
	* rtl.h (addr_side_effect_eval): Prototype it.

From-SVN: r24068

	* local-alloc.c (function_invariant_p): New function.
	(update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
	to decide if an equivalence should be recorded.
	* reload1.c (num_eliminable_invariants): New static variable.
	(reload): Set it.  Use function_invariant_p instead of CONSTANT_P
	to decide if an equivalence should be recorded.
	Unshare PLUS.
	(calculate_needs_all_insns): Skip insns that only set an equivalence.
	Take num_eliminable_invariants into account when deciding
	if register elimination should be done.
	(reload_as_needed): Take num_eliminable_invariants into account
	when deciding if register elimination should be done.
	(eliminate_regs): Handle non-constant reg_equiv_constant.
	* rtl.h (function_invariant_p): Declare.

From-SVN: r24026

        * system.h: Include libiberty.h.
        * c-aux-info.c: Remove prototypes for concat/concat3.  Change
        function `concat' from fixed parameters to variable parameters,
        as is done in libiberty.  All callers of concat/concat3
        changed to use the new `concat' with variable args.
        * cccp.c: Remove things made redundant by libiberty.h and/or
        conform to libiberty standards.
        * cexp.y: Likewise.
        * collect2.c: Likewise.
        * config/1750a/1750a.h: Likewise.
        * cppalloc.c: Likewise.
        * cppexp.c: Likewise.
        * cppfiles.c: Likewise.
        * cpphash.c: Likewise.
        * cpplib.c: Likewise.
        * dyn-string.c: Likewise.
        * fix-header.c: Likewise.
        * gcc.c: Likewise.
        * gcov.c: Likewise.
        * genattr.c: Likewise.
        * genattrtab.c: Likewise.
        * gencheck.c: Likewise.
        * gencodes.c: Likewise.
        * genconfig.c: Likewise.
        * genemit.c: Likewise.
        * genextract.c: Likewise.
        * genflags.c: Likewise.
        * gengenrtl.c: Likewise.
        * genopinit.c: Likewise.
        * genoutput.c: Likewise.
        * genpeep.c: Likewise.
        * genrecog.c: Likewise.
        * getpwd.c: Likewise.
        * halfpic.c: Likewise.
        * hash.c: Likewise.
        * mips-tdump.c: Likewise.  Wrap malloc/realloc/calloc prototypes
        in NEED_DECLARATION_* macros.
        * mips-tfile.c: Remove things made redundant by libiberty.h and/or
        conform to libiberty standards.
        (fatal): Fix const-ification of variable `format' in
        !ANSI_PROTOTYPES case.
        * prefix.c: Remove things made redundant by libiberty.h and/or
        conform to libiberty standards.
        * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
        conflicting with function `spaces' from libiberty.
        * profile.c: Remove things made redundant by libiberty.h and/or
        conform to libiberty standards.
        * protoize.c: Likewise.
        * rtl.h: Likewise.
        * scan.h: Likewise.
        * tlink.c: Likewise.
        * toplev.c: Likewise.
        * toplev.h: Likewise.
        * tree.h: Likewise.

From-SVN: r23931

        * rtlanal.c (regs_set_between_p): New function.
        * rtl.h (regs_set_between_p): Prototype it.
        * jump.c (jump_optimize): Use it instead of modified_between_p
        in the Sep 2 change.

From-SVN: r23888

        * toplev.c (no_new_pseudos): Define.
        (rest_of_compilation):  Set no_new_pseudos as needed.
        * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
        if no_new_pseudos is set.
        * rtl.h (no_new_pseudos): Declare it.
        * reload1.c (reload): Update comments.
        * md.texi: Corresponding changes.
        * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
        (choose_reload_regs): Rename it here as well.  When computing it,
        also merge in used hardregs.

From-SVN: r23855

        * cse.c (fold_rtx): Make autoincrement addressing mode tests be
        runtime selectable.
        * expr.c (move_by_pieces): Similarly.
        (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
        * flow.c (find_auto_inc): Similarly.
        (try_pre_increment): Similarly.
        * loop.c (strength_reduce): Similarly.
        * regclass.c (auto_inc_dec_reg_p): Similarly.
        * regmove.c (try_auto_increment): Similarly.
        (fixup_match_1): Similarly.
        * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
        (HAVE_PRE_DECREMENT): Similarly.
        (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
        sponding changes to all target header files.

From-SVN: r23837

configure.in (host_xm_file, [...]): Arrange to include gansidecl.h in {ht}config.h & tm.h just before the config/...

        * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
        Arrange to include gansidecl.h in {ht}config.h & tm.h just
        before the config/ directory headers.
        (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
        gansidecl.h in the list of dependencies.
        * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
        (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
        mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
        gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
        dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
        cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
        Likewise.
        * cccp.c: Don't include gansidecl.h.
        * cexp.y: Likewise.
        * collect2.c: Likewise.
        * config/c4x/c4x.c: Likewise.
        * config/v850/v850.h: Likewise.
        * cppalloc.c: Likewise.
        * cpperror.c: Likewise.
        * cppexp.c: Likewise.
        * cppfiles.c: Likewise.
        * cpphash.c: Likewise.
        * cpplib.c: Likewise.
        * cppmain.c: Likewise.
        * cppulp.c: Likewise.
        * demangle.h: Likewise.
        * doprint.c: Likewise.
        * dyn-string.c: Likewise.
        * eh-common.h: Likewise.
        * fix-header.c: Likewise.
        * frame.c: Likewise.
        * gcc.c: Likewise.
        * gcov.c: Likewise.
        * gen-protos.c: Likewise.
        * gencheck.c: Likewise.
        * halfpic.h: Likewise.
        * hash.c: Likewise.
        * machmode.h: Likewise.
        * mbchar.c: Likewise.
        * prefix.c: Likewise.
        * protoize.c: Likewise.
        * recog.h: Likewise.
        * rtl.h: Likewise.
        * scan-decls.c: Likewise.
        * tree.h: Likewise.
        * varray.h: Likewise.

From-SVN: r23558

�
        * rtl.h (flow2_completed): Declare.
        * flow.c (flow2_completed): Definition.
        * toplev.c (rest_of_compilation): Set and clear flow2_completed
        as necessary.

From-SVN: r23527

	* flow.c (XNMALLOC): New macro.
	(flow_int_list_blocks, basic_block_succ, basic_block_pred): New
	static variables.
	(add_edge, add_edge_to_label): New static functions.
	(free_bb_memory): New function.
	(flow_delete_insn): Delete function.
	(basic_block_drops_in): Delete variable.
	(find_basic_blocks): Allocate and initialize basic_block_head,
	basic_block_succ.  Don't allocate basic_block_drops_in.
	Call free_bb_memory at the beginning.
	(find_basic_blocks_1): Don't do multiple passes.
	Delete code to compute basic_block_drops_in.
	After calling make_edges, mark blocks reached by current block live.
	Update test for unreachable live blocks.
	(mark_label_ref): Delete args X, CHECKDUP.  Add PRED arg.  All callers
	changed.
	Simplify to call add_edge_to_label when a LABEL_REF is found.
	(make_edges): Simplify to call add_edge_to_label instead of
	mark_label_ref most of the time.
	Compute here whether control drops into the next block.
	(delete_unreachable_blocks): Return void.  All callers changed.
	Delete unreachable blocks in reverse order.
	After deleting all unreachable blocks, renumber the remaining ones
	and update n_basic_blocks.
	(delete_block): Speed up deletion a bit.
	Don't set basic_block_drops_in for deleted blocks.
	(free_basic_block_vars): Don't free basic_block_drops_in.
	(life_analysis_1): Update to use new edge representation.
	(dump_flow_info): Delete code to print basic block info; call
	dump_bb_data instead.
	(compute_preds_succs): Delete code to recompute basic_block_drops_in
	and uid_block_number.
	Simply copy the previously computed cfg.
	(dump_bb_data): New arg LIVE_INFO.  All callers changed.
	Print register lifetime information if LIVE_INFO is nonzero.
	* basic-block.h (dump_bb_data): Adjust prototype.
	* gcse.c (gcse_main): Update call to dump_bb_data.
	* rtl.h (free_bb_memory): Declare.
	* toplev.c (rest_of_compilation): Call free_bb_memory.

From-SVN: r23443

        * regclass.c (renumber, regno_allocated): New static variables, moved
        out of allocate_reg_info.
        (allocate_reg_info): Move these two variables outside the function.
        Move code to free memory into new function free_reg_info.
        (free_reg_info): New function, broken out of allocate_reg_info.
        * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
        * rtl.h (allocate_reg_info): Don't declare.
        (free_reg_info): Declare.

From-SVN: r23397

        * toplev.c (compile_file): Call allocate_reg_info to free register
        table memory.
        * rtl.h (allocate_reg_info): Declare.

From-SVN: r23384

	* invoke.texi: Document -flang-isoc9x.
	* Makefile.in (OBJS): Add splay-tree.o.
	(c-common.o): Depend on rtl.h.
	(splay-tree.o): List dependencies and provide build rule.
	* rtl.h (record_alias_subset): New function.
	* alias.c: Include splay-tree.h.
	(alias_set_entry): New type.
	(CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
	(DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
	(mems_in_disjoin_alias_sets_p): New function.
	(alias_set_compare): Likewise.
	(insert_subset_children): Likewise.
	(get_alias_set_entry): Likewise.
	* tree.h (TYPE_RESTRICT): New macro.
	(TYPE_UNQUALIFIED): New manifest constant.
	(TYPE_QUAL_CONST): Likewise
	(TYPE_QUAL_VOLATILE): Likewise.
	(TYPE_QUAL_RESTRICT): Likewise.
	(tree_type): Add restrict_flag.  Reduce count of free bits.
	(DECL_POINTER_ALIAS_SET): New macro.
	(DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
	(tree_decl): Add pointer_alias_set.
	(build_qualified_type): New function.
	(build_type_variant): Define in terms of build_qualified_type.
	* tree.c (set_type_quals): New function.
	(make_node): Initializae DECL_POINTER_ALIAS_SET.
	(build_type_attribute_variant): Use build_qualified_type and
	set_type_quals.
	(build_type_variant): Rename, and modify, to become...
	(build_qualified_type): New function.
	(build_complex_type): Use set_type_quals.
	* c-tree.h (C_TYPE_OBJECT_P): New macro.
	(C_TYPE_FUNCTION_P): Likewise.
	(C_TYPE_INCOMPLETE_P): Likewise.
	(C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
	(c_apply_type_quals_to_decl): New function.
	(c_build_qualified_type): New function.
	(c_build_type_variant): Define in terms of c_build_qualified_type.
	(flag_isoc9x): Declare.
	* c-typeck.c (qualify_type): Use c_build_qualified_type.
	(common_type): Change to use TYPE_QUALS.
	(comptypes): Likewise.
	(convert_for_assignment): Likewise.
	* c-aux-info.c (gen_type): Likewise.  Deal with `restrict'.
	* c-decl.c (flag_isoc9x): Define.
	(c_decode_option): Handle -flang-isoc9x.
	(grokdeclarator): Update to handle restrict.  Use TYPE_QUALS,
	c_build_qualified_type, etc.  Use c_apply_type_quals_to_decl.
	* c-lex.c (init_lex): Deal with restrict.
	(init_lex): Don't treat restrict as a reserved word in
	-traditional mode, or without -flang-isoc9x.
	* c-lex.h (rid): Add RID_RESTRICT.
	* c-parse.gperf (restrict, __restrict, __restrict__): Make
	equivalent to RID_RESTRICT.
	* c-parse.in (TYPE_QUAL): Update comment.
	* c-common.c: Include rtl.h.
	(c_find_base_decl): New function.
	(c_build_type_variant): Rename, and modify, to become ...
	(c_build_qualified_type): New function.
	(c_apply_type_quals_to_decl): Likewise.
	(c_get_alias_set): For INDIRECT_REFs, check to see if we can find
	a particular alias set for the reference.
	* toplev.c (documented_lang_options): Add -flang-isoc9x.

From-SVN: r23212

From-SVN: r23129

	* cppalloc.c (memory_full): Mark function prototype with
	ATTRIBUTE_NORETURN.
	* demangle.h (collect_exit): Likewise.
	* fix-header.c (v_fatal, fatal): Likewise.
	* gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
	Likewise.
	* gcov.c (print_usage): Likewise.
	* genattr.c (fatal, fancy_abort): Likewise.
	* genattrtab.c (fatal, fancy_abort): Likewise.
	* gencodes.c (fatal, fancy_abort): Likewise.
	* genconfig.c (fatal, fancy_abort): Likewise.
	* genemit.c (fatal, fancy_abort): Likewise.
	* genextract.c (fatal, fancy_abort): Likewise.
	* genflags.c (fatal, fancy_abort): Likewise.
	* genopinit.c (fatal, fancy_abort): Likewise.
	* genoutput.c (fatal, fancy_abort): Likewise.
	* genpeep.c (fatal, fancy_abort): Likewise.
	* genrecog.c (fatal, fancy_abort): Likewise.
	* libgcc2.c (__eprintf, __default_terminate, __sjthrow,
	__sjpopnthrow, __throw): Likewise.
	* objc/objc-act.c (objc_fatal): Likewise.
	* protoize.c (usage, aux_info_corrupted,
	declare_source_confusing): Likewise.
	* rtl.c (dump_and_abort): Likewise.
	* rtl.h (sets_cc0_p): Likewise.
	* toplev.c (float_signal, pipe_closed): Likewise.

From-SVN: r23084

        * rtl.h: Delete duplicate prototypes.  Add some missing
        prototypes.
        * rtlanal.c: (for_each_rtx): Formatting tweak.

From-SVN: r23069

From-SVN: r22872

	* flags.h (flag_dump_unnumbered): Declare.
	* toplev.c (flag_dump_unnumbered): Don't declare.
	* print-rtl.c (flags.h): Include.
	(print_rtl_single): Add return value.
	* rtl.h (print_rtl_single): Update declaration.
	* flow.c (flag_dump_unnumbered): Don't declare.
	(print_rtl_with_bb): Use return value of print_rtl_single.

From-SVN: r22865

	* rtl.h (init_virtual_regs): New function.
	* emit-rtl.c (init_virtual_regs): Define.
	(insn_emit): Use it.
	* integrate.c (save_for_inline_copying): Likewise.

From-SVN: r22563

        * toplev.c (rest_of_compilation): Set bct_p on second call to
        loop_optimize.
        * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
        bct_p.
        (strength_reduce): Only call analyze_loop_iterations and
        insert_bct if bct_p set.
        (check_dbra_loop): Fix typo.
        (insert_bct): Use word_mode instead of SImode.
        (instrument_loop_bct): Likewise.  Do not delete iteration count
        condition code generation insn.  Initialize iteration count before
        loop start.
        * rtl.h (loop_optimize): Update prototype.
        * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
        not doubleword aligned.
        * rs6000.c (optimization_options): New function.
        (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
        * rs6000.h (OPTIMIZATION_OPTIONS): Define.
        (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
        first; cr1 can be used for FP record condition insns.

From-SVN: r22471

	* tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused.  Kill.
	(BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
	(BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
	(BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
	* c-decl.c (init_decl_processing): Update accordingly.
	* expr.c (expand_builtin): Likewise.
	* cp/decl.c (init_decl_processing): Likewise.
	* rtl.h (global_rtl): Add cfa entry.
	(virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
	(LAST_VIRTUAL_REGISTER): Update.
	* emit-rtl.c (global_rtl): Add cfa entry.
	(init_emit): Initialize it.
	* function.c (cfa_offset): New.
	(instantiate_virtual_regs): Initialize it.
	(instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
	(expand_function_end): Call expand_eh_return.
	* tm.texi (ARG_POINTER_CFA_OFFSET): New.
	* except.c (current_function_eh_stub_label): Kill.
	(current_function_eh_old_stub_label): Likwise; update all references.
	(expand_builtin_set_return_addr_reg): Kill.
	(expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
	(expand_builtin_set_eh_regs): Kill.
	(eh_regs): Produce a third reg for the actual handler address.
	(eh_return_context, eh_return_stack_adjust): New.
	(eh_return_handler, eh_return_stub_label): New.
	(init_eh_for_function): Initialize them.
	(expand_builtin_eh_return, expand_eh_return): New.
	* except.h: Update prototypes.
	* flow.c (find_basic_blocks_1): Update references to the stub label.
	* function.h (struct function): Kill stub label elements.
	* libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
	register number is one that would be in the previous window.
	Provide a dummy definition for non-windowed targets.
	(get_reg_addr): New function.
	(get_reg, put_reg, copy_reg): Use it.
	(__throw): Rely on in_reg_window, not INCOMING_REGNO.  Kill stub
	generating code and use __builtin_eh_return.  Use __builtin_dwarf_cfa.
	* alpha.c (alpha_eh_epilogue_sp_ofs): New.
	(alpha_init_expanders): Initialize it.
	(alpha_expand_epilogue): Use it.
	* alpha.h: Declare it.
	* alpha.md (eh_epilogue): New.
	* m68h.h (ARG_POINTER_CFA_OFFSET): New.
	* sparc.h (ARG_POINTER_CFA_OFFSET): New.

From-SVN: r22436

        * Makefile.in (toplev.o): Depend on $(EXPR_H).
        (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
        * gansidecl.h: Define ATTRIBUTE_NORETURN.
        * genattrtab.c: Have insn-attrtab.c include toplev.h.
        * genextract.c: Have insn-extract.c include toplev.h.
        * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
        * toplev.c: Include expr.h.
        (really_sorry, fancy_abort): Remove prototypes.
        (set_target_switch): Add argument in prototype.
        (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
        (v_really_sorry): Likewise.
        (print_version, print_single_switch, print_switch_values): Make
        static and add prototype arguments.
        (decl_printable_name): Add prototype arguments.
        (lang_expand_expr_t): New typedef.
        (lang_expand_expr): Declare as a lang_expand_expr_t.
        (incomplete_decl_finalize_hook): Add prototype argument.
        (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
        (botch): Likewise for variable `s'.
        (rest_of_type_compilation): Mark variables `type' and `toplev'
        with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
        XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
        (display_help): Make variable `i' an `unsigned long'.
        (main): Remove unused parameter `envp'.
        Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
        Cast -1 when comparing it with a `size_t'.
        * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
        prototype with ATTRIBUTE_NORETURN.
        (fatal_insn_not_found, fatal_insn, really_sorry,
        push_float_handler, pop_float_handler): Add prototypes.
        (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
        (do_abort, botch): Add prototypes.

From-SVN: r22293

From-SVN: r22284