* 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

From-SVN: r29407

	* include/java-insns.h: Turned constants into an enum.  Added
	multiple-inclusion protection.

From-SVN: r29406

From-SVN: r29405

        * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
        shared as a valid attribute.
        * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
        * extend.texi: Document `shared' variable attribute.

From-SVN: r29404

        * configure.in: Handle --enable-threads on FreeBSD.
        * configure: Rebuit.

From-SVN: r29403

        * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
        thread support.
        * configure: Rebuilt.

From-SVN: r29402

        * configure.in (m68k-*-rtemscoff*): Added.
        * configure.in (mips64orion-*-rtems*): Converted to ELF.
        * configure.in (sparc-*-rtemsaout*): Added as alias for old
        sparc-rtems configuration.
        * configure.in (sparc-*-rtemself*): Added.
        * configure.in (sparc-*-rtems*): Now ELF not a.out.
        * config/i386/rtems.h: Added comment.
        * config/sparc/rtemself.h: New file.

        * configure.in (m68k-rtemself): Added.
        * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
        and DWARF_DEBUGGING_INFO.
        * config/m68k/crti.s: New file.
        * config/m68k/crtn.s: New file.
        * config/m68k/t-crtstuff: New file.
        * config/m68k/rtemself.h: New file.

        * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
        global ctor/dtor and C++ exception handling.
        * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
        for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
        ENDFILE_SPEC.
        * config/i386/t-rtems-i386: New File.

Co-Authored-By: Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
Co-Authored-By: Rosimildo DaSilva <rdasilva@connecttel.com>

From-SVN: r29401

	* stmt.c (expand_end_case): Return right away if the case stack is
	empty.

From-SVN: r29400

        * Makefile.in (version.c): Remove rule incorrectly brought in from
        the gcc2 merge.

From-SVN: r29399

From-SVN: r29398

From-SVN: r29397

From-SVN: r29396

        * Makefile.in:  Prepend $(SHELL) to move-if-change calls.
        * msdos/top.sed:  Take into account a prepended $(SHELL) to
        move-if-change.
        * winnt/config-nt.sed:  Likewise.  Kill bogus substitution.

From-SVN: r29395

        * regmove.c (fixup_match_1): Don't change an unchanging register.
        (stable_but_for_p): Renamed to:
        (stable_and_no_regs_but_for_p).  Reject unchanging registers too.
        Changed all callers.

From-SVN: r29394

loop.c (strength_reduce): Don't call reg_used_between_p if the insn from BL2 is after the insn from BL.

        * loop.c (strength_reduce): Don't call reg_used_between_p if the
        insn from BL2 is after the insn from BL.

From-SVN: r29393

From-SVN: r29392

From-SVN: r29391