* toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
        * invoke.texi: Document this change.

From-SVN: r29449

        * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
        Free the struct.
        (mark_emit_status): Renamed from mark_emit_state.
        * except.c (mark_eh_status): Renamed from mark_eh_state.
        Check not null before marking.
        (free_eh_status): New.
        * expr.c (mark_expr_status, free_expr_status): New.
        * function.c (free_machine_status): New.
        (free_after_parsing): New.
        (free_after_compilation): Move bits to free_after_parsing; call
        free_eh_status, free_expr_status; zero the marked members of the
        function state.
        (prepare_function_start): No can_garbage_collect.
        Call init_eh_for_function.
        (expand_dummy_function_end): Free up current_function state.
        (mark_function_status): Renamed from mark_function_state.
        (mark_function_chain): No can_garbage_collect.  Call mark_expr_status.
        * function.h (struct function): No can_garbage_collect.
        (free_machine_status, free_after_parsing): Declare.
        (free_eh_status, free_expr_status): Declare.
        * ggc.h (mark_expr_status): Declare.
        * stmt.c (free_stmt_status): Free the struct.
        (mark_stmt_status): Renamed from mark_stmt_state.
        (init_stmt): Don't call init_eh.
        (init_stmt_for_function): Don't call init_eh_for_function.
        * toplev.c (compile_file): Call init_eh.
        (rest_of_compilation): Free basic block info before ggc_collect.
        Call free_after_parsing; conditionally call free_after_compilation.
        * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
        Check not null before marking.

From-SVN: r29448

From-SVN: r29447

        * pa.c (emit_move_sequence): Properly set the mode of the scratch
        register when performing secondary reloads for the SAR register.

From-SVN: r29446

From-SVN: r29445

	* lex.c (cp_pragma_implementation): Allow #pragma implementation
	in header files.

From-SVN: r29444

From-SVN: r29443

From-SVN: r29442

	* rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
	(NOTE_BLOCK): New macro.
	(NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
	* function.h (identify_blocks): CHange prototype.
	* function.c (identify_blocks): Simplify.
	(reorder_blocks): Likewise.
	* ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
	NOTE_INSN_BLOCK_{BEG,END}.
	* haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
	the list of saved notes if the note isn't a
	NOTE_INSN_BLOCK_{BEG,END}.
	(move_insn1): Use NOTE_EH_HANDLER in comment, rather than
	NOTE_BLOCK_NUMBER.
	(reemit_notes): Adjust recreation of notes to reflect new saved
	note structure.
	* print-rtl.c (print_rtx): Print the address of the BLOCK when
	printing a block note.
	* stmt.c (block_vector): Remove.
	(find_loop_tree_blocks): Simplify.
	(unroll_block_trees): Likewise.

From-SVN: r29441

	* decl2.c (build_expr_from_tree): Handle VA_ARG_EXPR.
	* pt.c (tsubst_copy): Likewise.
	* tree.c (search_tree): Likewise.
	(mapcar): Likewise.

From-SVN: r29440

	* gbl-ctors.h: Lose HAVE_ATEXIT.  Don't define ON_EXIT.
	* libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
	(__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
	(__do_global_dtors): Likewise.  Don't mess with _exit_dummy_decl.
	(atexit, exit): Simplify.
	* tm.texi: Document NEED_ATEXIT and ON_EXIT.  Remove HAVE_ATEXIT.
	* config/lots: Remove defns of HAVE_ATEXIT.

From-SVN: r29439

	* calls.c (precompute_arguments): Fix typo in comment.
	* expr.c (preexpand_calls): Don't preexpand the cleanup in a
	TARGET_EXPR.

From-SVN: r29438

From-SVN: r29437

From-SVN: r29436

From-SVN: r29435

	* genattr.c (main): Add extern prototype.  Call return, not exit.
	* genattrtab.c (main): Likewise.
	* gencheck.c (main): Likewise.
	* gencodes.c (main): Likewise.
	* genconfig.c (main): Likewise.
	* genemit.c (main): Likewise.
	* genextract.c (main): Likewise.
	* genflags.c (main): Likewise.
	* gengenrtl.c (main): Likewise.
	* genopinit.c (main): Likewise.
	* genoutput.c (main): Likewise.
	* genpeep.c (main): Likewise.
	* genrecog.c (main): Likewise.

	* genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
	* genattrtab.c (get_insn_name): Likewise.
	* gencodes.c (get_insn_name): Likewise.
	* genconfig.c (get_insn_name): Likewise.
	* genemit.c (get_insn_name): Likewise.
	* genextract.c (get_insn_name): Likewise.
	* genflags.c (get_insn_name): Likewise.
	* genopinit.c (get_insn_name): Likewise.
	* genpeep.c (get_insn_name): Likewise.

	* gencheck.c (usage): Add static prototype.
	* genextract.c (print_path): Constify a char*.
	* genopinit.c (optabs): Likewise.
	* genoutput.c (operand_data, data, output_predicate_decls,
	compare_operands): Likewise.
	* genrecog.c (write_tree): Add default case in switch.

From-SVN: r29434

	* rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.

	* print-rtl.c (get_insn_name): Remove prototype.

	* toplev.h (progname): Declare const.

	* toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
	init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
	dump_sched_info, dump_local_alloc, regset_release_memory,
	print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
	error_with_file_and_line, error_with_decl, error_for_asm, error,
	fatal, warning_with_file_and_line, warning_with_decl, warning,
	pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
	Remove redundant prototypes.

	(notice, check_lang_option, report_file_and_line, vnotice,
	mark_file_stack): Add static prototype.
	(set_fatal_function): Add prototype.
	(vnotice, report_file_and_line, set_fatal_function,
	check_lang_option): Constify a char*.
	(main): Prototype.  Call return, not exit.

cp:

	* typeck2.c (ack): Don't declare progname.

From-SVN: r29433

        * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.

        * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.

        * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.

        * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.

From-SVN: r29432

From-SVN: r29431

	* typeck.c (expr_sizeof): Reinstall and augment OFFSET_REF
	comment.

From-SVN: r29429

From-SVN: r29428

	* lex.c (cp_pragma_interface, cp_pragma_implementation): Copy
	filenames with ggc_alloc_string.

From-SVN: r29427

	* decl.c (build_target_expr): Set TREE_SIDE_EFFECTS on the
	TARGET_EXPR.
	* call.c (build_over_call): Don't set TREE_SIDE_EFFECTS on
	the TARGET_EXPR.
	* cvt.c (build_up_reference): Likewise.
	* tree.c (build_cplus_new): Likewise.
	(get_target_expr): Likewise.

From-SVN: r29426

        * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
        arg_pointer_rtx fixed if the argument pointer register is
        not fixed.
        (NONZERO_BASE_PLUS_P): Likewise.

From-SVN: r29425

        * Makefile.in (USER_H): Remove va-foo.h.

        * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
        va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
        va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
        va-spur.h,va-v850.h}: Remove.

From-SVN: r29424

From-SVN: r29423

        * rtl.def (match_insn, match_insn2): Remove match_insn; rename
        match_insn2 to match_insn.

From-SVN: r29422

        * sparc/sparc.md (eligible_for_return_delay): New attribute.
        (in_return_delay): Use it instead of match_insn.

From-SVN: r29421

* config/alpha/va_list.h (va-alpha.h): Do not include.
(__gnuc_va_list): Typedef as in varargs.h.

From-SVN: r29420

        * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
        DECL_LIVE_RANGE_RTL.

From-SVN: r29419

	* except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
	not NOTE_BLOCK_NUMBER.
	(expand_eh_region_end): Likewise.
	(find_exception_handler_labels): Likewise.
	(scan_region): Likewise.
	(exception_optimize): Likewise.
	(update_rethrow_references): Likewise.
	(set_insn_eh_region): Likewise.
	* final.c (final_scan_insn): Likewise.
	* flow.c (make_edges): Likewise.
	* integrate.c (expand_inline_function): Likewise.
	* print-rtl.c (print_rtx): Likewise.

From-SVN: r29418

        * ginclude/stdarg.h, ginclude/varargs.h: Implement in
        terms of builtin functions and types.

From-SVN: r29416

        * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
        (sh_build_va_list, sh_va_start, sh_va_arg): New.
        * sh.h (BUILD_VA_LIST_TYPE): New.
        (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.

From-SVN: r29415

        * mips.c (mips_build_va_list): New.
        (mips_va_start, mips_va_arg): New.
        * mips.h (BUILD_VA_LIST_TYPE): New.
        (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.

From-SVN: r29414

        * recog.h (struct recog_data): Make dup_num, operand_address_p,
        n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
        (struct insn_data): Likewise with n_operands, n_dups,
        n_alternatives, output_format.
        * regclass.c (scan_one_insn): Cast n_operands to int before
        arithmetic inside comparison.

From-SVN: r29413

From-SVN: r29412

haifa-sched.c (actual_hazard): Move declaration of variable `this_cost' into the scope where it is used.

       * haifa-sched.c (actual_hazard): Move declaration of variable
       `this_cost' into the scope where it is used.

From-SVN: r29411

       * c-pragma.c (handle_pragma_token): Wrap variables `name' and
       `value' in HANDLE_PRAGMA_WEAK.  Wrap variable `align' in
       HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.

       * genrecog.c (make_insn_sequence): Call memset, not bzero.

       * jump.c (find_insert_position): Don't declare or define unless
       !HAVE_conditional_arithmetic.
       (returnjump_p_1, delete_prior_computation): Add static prototypes.

       * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.

       * recog.c (offsettable_address_p): Prototype function pointer.
       (preprocess_constraints): Call memset, not bzero.

       * tree.c (tree_node_kind_names): Constify a char*.  Make static.
       (gcc_obstack_init): Don't declare.
       (fix_sizetype): Add static prototype.
       (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
       (tree_cons): Call memset, not bzero.

       * varasm.c (remove_from_pending_weak_list): Wrap declaration and
       definition in macro ASM_WEAKEN_LABEL.
       (mark_const_hash_entry): Add static prototype.

From-SVN: r29410

       * c-lex.c (handle_generic_pragma): Remove unused variable `c'.

       * unroll.c (find_common_reg_term, subtract_reg_term,
       loop_find_equiv_value): Add static prototypes.
       (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
       (copy_loop_body): Remove unreachable break statement.

       * sparc.c (sparc_va_arg): Remove unused variable `tmp'.

       * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.

From-SVN: r29409

       * g77spec.c (lang_specific_driver): Remove unnecessary argument in
       call to function `fatal'.

From-SVN: r29408