gbl-ctors.h: Add special license exception.

[gcc.git] / gcc / ChangeLog

2003-04-22  David Turner <novalis@gnu.org>

        * gbl-ctors.h: Add special license exception.
        * libgcc2.h: Likewise.
        * tsystem.h: Likewise.
        * gcov-io.h: Likewise.

2003-04-22  David Edelsohn  <edelsohn@gnu.org>

        * fold-const.c (fold_range_test): Use RANGE_TEST_NON_SHORT_CIRCUIT
        macro defaulting to original BRANCH_COST heuristic.
        * doc/tm.texi (RANGE_TEST_NON_SHORT_CIRCUIT): Document.

        * config/rs6000/rs6000.h (RANGE_TEST_NON_SHORT_CIRCUIT): Define.

2003-04-22  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/t-spe: Merge in t-fprules into file.

        * config.gcc: Add t-spe to powerpc-eabispe.

2003-04-22  Kean Johnston  <jkj@sco.com>

        * tlink.c (recompile_files): Add missing '=' to putenv calls

2003-04-22  Nathan Sidwell  <nathan@codesourcery.com>

        * ginclude/stddef.h: Provide C++ safe offsetof.

2003-04-22  J"orn Rennecke <joern.rennecke@superh.com>

        * function.c (purge_addressof_1): In (mem (addressof (reg))) case
        for reg notes, if there are no substitutions, just use a SUBREG.

2003-04-21  Mark Mitchell  <mark@codesourcery.com>

        * Makefile.in (calls.o): Depend on except.h.
        * calls.c: Include except.h.
        (emit_call_1): Call note_eh_region_may_contain_throw if
        appropriate.
        * except.c (eh_region): Add may_contain_throw.
        (expand_eh_region_end_cleanup): Do not include handler code when
        it cannot be reached.
        (note_eh_region_may_contain_throw): New function.
        * except.h (note_eh_region_may_contain_throw): New function.

2003-04-21  Mark Mitchell  <mark@codesourcery.com>

        * config/i386/winnt.c (i386_pe_mark_dllimport): Revert previous
        changes.

2003-04-21  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_override_options): No SPE means
        64-bit long doubles.

2003-04-21  Olivier Hainque  <hainque@act-europe.fr>

        * fold-const.c (fold, case PLUS_EXPR and case MULT_EXPR): Restore
        a number of conversions required for type consistency and previously
        stripped off by STRIP_NOPS.

        * calls.c (expand_call): Prevent sibcall optimization for calls to
        nested subprograms.

        * expmed.c (extract_bit_field): Reverse operands of && condition to
        prevent a potential division by zero in the previously first branch.
        * config/pa/pa.md (extv, extzv): FAIL if the bitfield length is zero.

2003-04-21  Joel Brobecker  <brobecker@gnat.com>

        * dwarf2out.c (is_ada, is_ada_subrange_type): New functions.
        (subrange_type_die): Likewise.
        (modified_type_die): Emit a subrange_type DIE for Ada subrange types.
        (is_c_family, is_cxx, is_java, is_fortran): Return bool and clean up.

2003-04-21  Nathan Sidwell  <nathan@codesourcery.com>

        Break out coverage routines to new file.
        * Makefile.in (COVERAGE_H): New variable
        (C_OBJS): Add coverage.o
        (coverage.o): New target.
        (profile.o, loop-init.o, sched-ebb.o, predict.o, tracer.o): Adjust
        dependencies.
        (GTFILES): Adjust.
        (gt-coverage.h): New target.
        (gt-profile.h): Remove.
        * profile.h: Remove. Move to ...
        * coverage.h: ... here. New. #include gcov-io.h.
        * gcov-io.h: Move function definitions to ...
        * gcov-io.c: ... here. New.
        * profile.c: Move coverage routines to coverage.c.
        (instrument_edges, get_exec_counts, branch_prob, init_branch_prob,
        end_branch_prob): Adjust.
        * coverage.c: New. Coverage routines from profile.c
        (coverage_counter_ref, coverage_init, coverage_finish,
        coverage_end_function, coverage_begin_output,
        coverage_counter_ref, get_coverage_counts): Define.
        * gcov-dump.c, gcov.c: #include gcov-io.c.
        * libgcov.c: Likewise. Adjust.
        * loop-init.c: Don't #include profile.h
        * tracer.c, predict.c, sched-ebb.c: Adjust #includes.
        * rtl.h: Add coverage prototypes.
        * toplev.c (compile_file): Init coverage, not branch_prob.
        Always call coverage_finish.
        (rest_of_compilation): Call coverage_end_function.

2003-04-21  Matt Kraai  <kraai@alumni.cmu.edu>

        * config/rs6000/rs6000.md (*movsf_softfloat): Add "h" <- "0" case.

2003-04-21  Neil Booth  <neil@daikokuya.co.uk>

        * c-ppoutput.c (cb_include): Don't take a cpp_token.
        * cppfiles.c: Don't undef strcmp.
        (find_include_file): Don't take a cpp_token.  Check for empty
        file names.
        (_cpp_execute_include, _cpp_compare_file_date): Don't take a cpp_token.
        (cpp_push_include): Simplify.
        * cpphash.h (_cpp_execute_include, _cpp_compare_file_date): Update.
        * cpplib.c (glue_header_name): Return the file name, not a cpp_token.
        (parse_include): Similary.  Don't check for zero-length filenames.
        (do_include_common, do_pragma_dependency): Update accordingly.
        * cpplib.h (struct cpp_callbacks): Change prototype of include.

2003-04-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
        
        * doc/rtl.texi (RTX_UNCHANGING_P): Point to true_dependence for
        details of conflict handling.
        
        * fold-const.c (extract_muldiv, case CONVERT_EXPR): Detect case
        when conversion overflows.

        * stor-layout.c (layout_decl): Don't set DECL_SIZE_UNIT if already set.

        * expr.c (store_constructor): Set RTX_UNCHANGING_P if readonly_field_p
        before clearing.

2003-04-21  Mark Mitchell  <mark@codesourcery.com>

        * config/i386/winnt.c (i386_pe_mark_dllimport): Make the new RTL
        have the same form as the old RTL.

2003-04-21  Andreas Jaeger  <aj@suse.de>

        * cppcharset.c (_cpp_valid_ucn): Cast field precision to int.

2003-04-20  Chris Lattner  <sabre@nondot.org>
            Zack Weinberg  <zack@codesourcery.com>

        * c-common.h, c-semantics.c: Rename genrtl_decl_cleanup to
        genrtl_cleanup_stmt.  Correct comment at head of
        genrtl_cleanup_stmt (no such thing as a DECL_CLEANUP).

        * stmt.c (struct nesting): Kill n_function_calls.
        (expand_start_bindings): Don't set
        thisblock->data.block.n_function_calls.
        (expand_end_bindings): Compare function_call_count against 0.
        (expand_cleanups): Kill DONT_DO argument; all callers passed
        NULL_TREE. All callers updated to match.

2003-04-20  Zack Weinberg  <zack@codesourcery.com>

        * varasm.c (struct deferred_constant, defer_addressed_constants_flag)
        (defer_addressed_constants, output_deferred_addressed_constants): Kill.
        (output_constant_def): Remove code predicated on
        defer_addressed_constants_flag.

        * output.h: Remove prototypes of deleted functions.
        * c-typeck.c (constructor_subconstants_deferred): Kill.
        (struct initializer_stack): Remove 'deferred' field.
        (start_init): Remove all references to the above.
        (finish_init): Likewise. Also remove never-executed call to
        output_deferred_addressed_constants.  Pull assignment to
        defstr out of if expression.

2003-04-20  Neil Booth  <neil@daikokuya.co.uk>

        * cpphash.h (NOTE_ESC_NL, NOTE_ESC_SPACE_NL, NOTE_TRIGRAPH,
        NOTE_NEWLINE): Remove.
        * cpplex.c (_cpp_clean_line, _cpp_process_line_notes): Update
        to handle new form of line note type.

2003-04-20  Zack Weinberg  <zack@codesourcery.com>

        * target.h (encode_section_info): Add new argument carrying
        the RTL to be modified by the hook.

        * varasm.c (make_decl_rtl, output_constant_def): Update calls
        to encode_section_info.
        (default_encode_section_info): Take and use RTL argument,
        don't use TREE_CST_RTL or DECL_RTL.
        * output.h: Update prototype of default_encode_section_info.
        * config/darwin.h (ASM_DECLARE_OBJECT_NAME)
        (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_ALIGNED_DECL_LOCAL):
        Update calls to encode_section_info.

        * config/darwin.c, config/arm/arm.c, config/arm/pe.c
        * config/h8300/h8300.c, config/i386/winnt.c, config/m32r/m32r.c
        * config/m68hc11/m68hc11.c, config/m88k/m88k.c, config/mcore/mcore.c
        * config/mips/mips.c, config/mmix/mmix.c, config/pa/pa.c
        * config/romp/romp.c, config/rs6000/rs6000.c, config/s390/s390.c
        * config/v850/v850.c (TARGET_ENCODE_SECTION_INFO definitions):
        Take and use RTL argument, don't use TREE_CST_RTL or DECL_RTL,
        except for PE dllimport/dllexport.  Update calls to
        default_encode_section_info.

        * config/darwin-protos.h, config/arm/arm-protos.h, config/i386-protos.h:
        Update prototypes.

        * doc/tm.texi (TARGET_ENCODE_SECTION_INFO): Update.

2003-04-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR/8705
        * pa.md (movccfp): New expander.
        (setccfp0, setccfp1): Rename to movccfp0 and movccfp1, respectively.
        Reverse fcmp conditions.

2003-04-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>

        * config/avr/avr.md (*cmpqi_sign_extend): Handle negative values
        of operand 1 correctly.

2003-04-20  Nathan Sidwell  <nathan@codesourcery.com>

        * cpplex.c (_cpp_lex_direct): Set BOL for CPP_EOF tokens.
        * gcov.c (output_lines): Don't be so fussy about going past EOF.

2003-04-20  Neil Booth  <neil@daikokuya.co.uk>

        * Makefile.in (LIBCPP_OBJS): Add cppcharset.o.
        (cppcharset.o): New target.
        * c-lex.c (is_extended_char): Move to cppcharset.c.
        (utf8_extend_token): Delete.
        * cppcharset.c: New file.
        * cpphash.h (_cpp_valid_ucn): New.
        * cpplex.c (lex_identifier): Update prototype.
        (continues_identifier_p): Rename forms_identifier_p.  Handle UCN
        escapes.
        (maybe_read_ucs): Rename maybe_read_ucn.  Update to use code
        in cppcharset.c.
        (lex_number, lex_identifier, cpp_parse_escape): Update.
        (_cpp_lex_direct): Update to handle UCNs.
        (cpp_avoid_paste): Don't paste to form a UCN.

2003-04-19  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (expand_builtin):  Don't expand a pure or const
        built-in function if the result will be ignored and none of
        its arguments are volatile.

2003-04-19  Kean Johnston  <jkj@sco.com>

        * unwind-dw2.c (_Unwind_GetCFA): cast return to avoid warning
        * config.gcc: make SCO use dbxelf.h and elfos.h; only use one
        target fragment now: t-sco5; dont compile crti.o.
        * config/i386/sco5.h: major overhaul to remove all COFF remnants
        and to use elfos.h for most definitions.
        (BSS_SECTION_ASM_OP): set correct segment attributes.
        (PREFERED_DEBUGGING_TYPE): set to DWARF-2.
        (DWARF2_UNWIND_INFO): Always set to 1.
        (MD_STARTFILE_PREFIX): Make /usr/gnu/lib the default.
        (MD_STARTFILE_PREFIX_1): Define.
        (MD_EXEC_PREFIX): Adjust to /usr/gnu/bin if using GAS.
        (DEFAULT_LINKER): Define if not specified to configure.
        (CTORS_SECTION_ASM_OP): Remove COFF crud.
        (DTORS_SECTION_ASM_OP): Remove COFF crud.
        (WINT_TYPE): Define.
        (SDB_DEBUGGING_INFO): Remove.
        (EXTRA_SECTIONS): Likewise.
        (EXTRA_SECTION_FUNCTIONS): Likewise.
        (CTOR_LIST_BEGIN): Likewise.
        (CTOR_LIST_END): Likewise.
        (INIT_SECTION_FUNCTION): Likewise.
        (FINI_SECTION_FUNCTION): Likewise.
        (SUBTARGET_FRAME_POINTER_REQUIRED): Likewise.
        (LOCAL_LABEL_PREFIX): Likewise.
        (NON_SAVING_SETJMP): Likewise.
        (RETURN_POPS_ARGS): Likewise.
        (ASM_OUTPUT_SKIP): Likewise.
        (TARGET_ASM_NAMED_SECTION): Likewise.
        (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
        (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
        (ASM_OUTPUT_IDENT): Likewise.
        (ASM_OUTPUT_CASE_LABEL): Likewise.
        (ASM_OUTPUT_ASCII): Likewise.
        (ASM_OUTPUT_LIMITED_STRING): Likewise.
        (ASM_OUTPUT_ALIGNED_LOCAL): Likewise.
        (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
        (ASM_GENERATE_INTERNAL_LABEL): Likewise.
        (ASM_FINISH_DECLARE_OBJECT): Likewise.
        (ASM_DECLARE_OBJECT_NAME): Likewise.
        (ASM_DECLARE_FUNCTION_SIZE): Likewise.
        (ASM_DECLARE_FUNCTION_NAME): Likewise.
        (ASM_DECLARE_RESULT): Likewise.
        (ASM_WEAKEN_LABEL): Likewise.
        (SUPPORTS_WEAK): Likewise.
        (APPLY_RESULT_SIZE): Likewise.
        (LPREFIX): Likewise.
        (ALIGN_ASM_OP): Likewise.
        (ASCII_DATA_ASM_OP): Likewise.
        (IDENT_ASM_OP): Likewise.
        (ASM_SHORT): Likewise.
        (ASM_LONG): Likewise.
        (TYPE_ASM_OP): Likewise.
        (SIZE_ASM_OP): Likewise.
        (STRING_ASM_OP): Likewise.
        (SKIP_ASM_OP): Likewise.
        (EH_FRAME_SECTION_ASM_OP): Likewise.
        (READONLY_DATA_SECTION_ASM_OP): Likewise.
        (INIT_SECTION_ASM_OP): Likewise.
        (FINI_SECTION_ASM_OP): Likewise.
        (TEXT_SECTION_ASM_OP): Likewise.
        (DATA_SECTION_ASM_OP): Likewise.
        (TYPE_OPERANT_FORMAT): Likewise.
        (ASM_SPEC): Remove COFF code.
        (STARTFILE_SPEC): Likewise. Always use crti.o; add -p and -pp support;
        cause -pg to emit an error; use pcrt1elf.o with -pp
        (ENDFILE_SPEC): Likewise.
        (TARGET_OS_CPP_BUILTINS): Add _SCO_DS_LL.
        (CPP_SPEC): Remove COFF crud; always look in /usr/gnu/include first.
        (LINK_SPEC): Remove COFF crud; use -E for environment switch not -R;
        add -z alt_resolve to support weak symbols the way GCC wants them.
        (LIB_SPEC): Use the profiler libraries in -p or -pp mode.
        (LIBGCC_SPEC): Dont use -lgcc in -G mode.
        (ASM_PREFERED_EH_DATA_FORMAT): Remove.
        * config/i386/t-sco5 (TARGET_LIBGCC2_CFLAGS): Remove.
        (CRTSTUFF_T_CFLAGS_S): Define.
        (MULTILIB_OPTIONS): Likewise.
        (MULTILIB_DIRNAMES): Likewise.
        (MULTILIB_MATCHES): Likewise.
        (MULTILIB_EXTRA_OPTS): Likewise.
        (LIBGCC): Likewise.
        (INSTALL_LIBGCC): Likewise.
        (crti.o): Remove.
        * config/i386/t-sco5gas: Remove.
        * doc/install.texi: Updated for new OpenServer instructions.
        * testsuite/gcc.dg/nest.c: Allow failure on SCO (-pg not supported)

2003-04-19  Kean Johnston  <jkj@sco.com>

        * fixinc/check.tpl: Allow user to over-ride diff program.
        * fixinc/inclhack.def: Removed extraneous #ifndef SVR5.
        (sco_math): Added test for SCO math header files.
        (sco_regset): Added check for conflicts with ieeefp.h.
        (svr4_disable_opt): Removed extraneous #ifdef SVR4.
        * fixinc/fixincl.x: Regenerated
        * fixinc/tests/base/math.h: Added sco_math tests.
        * fixinc/tests/base/string.h: New file.
        * fixinc/tests/base/sys/regset.h: New file.

2003-04-19  Neil Booth  <neil@daikokuya.co.uk>

        * cpphash.h (struct cpp_buffer): Remove backup_to.
        * cpplex.c (BACKUP, get_effective_char): Die.
        (_cpp_skip_block_comment): Assume '*' is location on entry.
        (continues_identifier_p): Respect -fno-dollars-in-identifiers.
        (IF_NEXT_IS): Update.
        (_cpp_lex_direct): Don't use backup_to; look ahead directly.

2003-04-19  Matt Kraai  <kraai@alumni.cmu.edu>

        * README.Portability: Move to a new section and obsolete K+R
        portability issues.

Sat Apr 19 14:56:17 CEST 2003  Jan Hubicka  <jh@suse.cz>

        * rtlanal.c (subreg_offset_representable_p):  Fix call of
        subreg_lowpart.

2003-04-19  Neil Booth  <neil@daikokuya.co.uk>

        * cpphash.h (struct cpp_reader): New member warned_dollar.
        * cpplex.c (continues_identifier_p): New function.
        (parse_identifier, parse_number, parse_string): Rename lex_identifer,
        lex_number and lex_string, and simplify.
        (parse_slow, unescaped_terminator_p): Die.
        (_cpp_lex_direct): Update.

2003-04-19  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * calls.c (expand_call): Provide init for old_stack_pointer_delta.

2003-04-19  Nathan Sidwell  <nathan@codesourcery.com>

        * doc/invoke.texi (-fprofile-arcs): Mention -lgcov, locking and
        fork behaviour.

2003-04-19  Neil Booth  <neil@daikokuya.co.uk>

        * cppexp.c (eval_token): Permit true and false even if pedantic.

2003-04-19  Neil Booth  <neil@daikokuya.co.uk>

        * cpplex.c (skip_whitespace): Rearrange to avoid stage1 ICE.

2003-04-19  Neil Booth  <neil@daikokuya.co.uk>

        * cppfiles.c (ENABLE_VALGRIND_CHECKING, VALGRIND_DISCARD,
        MMAP_THRESHOLD, TEST_THRESHOLD, SHOULD_MMAP): Remove.
        (struct include_file): Remove fefcnt, mapped members.
        (open_file, stack_include_file, _cpp_pop_file_buffer): Disable caching.
        (read_include_file): Don't use mmap, terminate buffers in '\r'.
        (purge_cache): Don't use munmap.
        * cpphash.h (CPP_BUF_COLUMN): Update.
        (lexer_state): Remove lexing_comment.
        (struct _cpp_line_note): New.
        (struct cpp_buffer): New members cur_note, notes_used, notes_cap,
        next_line and need_line.  Remove col_adjust and saved_flags.
        (_cpp_process_line_notes, _cpp_clean_line, _cpp_get_fresh_line,
        _cpp_skip_block_comment, scan_out_logical_line): New.
        (_cpp_init_mbchar): Remove.
        * cppinit.c (init_library): Remove call to _cpp_init_mbchar.
        (cpp_read_main_file): Set line to 1 earlier.
        (post_options): -traditional-cpp doesn't want trigraphs.
        * cpplex.c (MULTIBYTE_CHARS): Remove code predicated on this.
        (add_line_note, _cpp_clean_line, _cpp_process_line_notes,
        _cpp_get_fresh_line): New.
        (handle_newline, skip_escaped_newlines, trigraph_p,
        continue_after_nul, _cpp_init_mbchar): Remove.
        (get_effective_char): Update.
        (_cpp_skip_block_comment): Rename from skip_block_comment, simplify.
        (skip_line_comment): Simplify.
        (skip_whitespace, parse_identifier, parse_slow, parse_number,
        parse_string): Update.
        (cpp_lex_direct): Use clean lines and process line notes.  Update.
        (cpp_interpret_charconst): No MULTIBYTE_CHARS.
        * cpplib.c (prepare_directive_trad): Call scan_out_logical_line
        directly.
        (_cpp_handle_directive): Don't set saved_flags.
        (run_directive, destringize_and_run, cpp_define, cpp_define_builtin,
        cpp_undef, handle_assertion, cpp_push_buffer): Update.
        (_cpp_pop_buffer): Free notes.
        * cppmacro.c (builtin_macro, paste_tokens): \n terminate buffer.
        * cpppch.c (cpp_read_state): \n terminate buffer.
        * cpptrad.c (skip_escaped_newlines, handle_newline): Remove.
        (copy_comment): Use _cpp_skip_block_comment.
        (skip_whitespace, lex_identifier, _cpp_read_logical_line_trad):
        Simplify.
        (_cpp_overlay_buffer, _cpp_remove_overlay, push_replacement_text,
        save_replacement_text): Update.
        (scan_out_logical_line): Update to use clean lines and process
        line notes.
        * fix-header.c (read_scan_file): Update.

2003-04-18  Douglas B Rupp  <rupp@gnat.com>

        * unwind-dw2-fde.c (__register_frame_info_bases): Check for
        null begin parameter (as well as pointer to null).
        (__deregister_frame_info_bases): Likewise.

2003-04-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * function.c (purge_addressof_1): For ADDRESSOF, see if SUB is a
        hard or virtual register and copy into pseudo if replacement fails.

        * cfgcleanup.c (flow_find_cross_jump): Use INSN_P, not active_insn_p.

        * expmed.c (mask_rtx): Avoid undefined shifts for BITSIZE of 0.

2003-04-18  Olivier Hainque <hainque@act-europe.fr>

        * calls.c (expand_call): Move special case for constructor calls
        to right place. Ensures constructor calls used to initialize
        arguments get a clean outgoing argument block for themselves.
        Move check for stack deallocation completeness until after last
        deallocation.  Add stack_pointer_delta to set of state
        variables saved and restored along with current stack_level.

        * integrate.c (expand_inline_function): Ensure non-const actuals
        don't end up const in the caller's flow after conversion to possibly
        const formal type.

2003-04-18  Vincent Celier  <celier@gnat.com>

        * dwarf2out.c (loc_descriptor_from_tree): Treat all *_MOD_EXPR
        and *_DIV_EXPR as TRUNC_*_EXPR.

2003-04-18  Mark Mitchell  <mark@codesourcery.com>

        * cfgrtl.c (try_redirect_by_replacing_jump): Create a basic block
        for orphaned jump tables.

2003-04-18  Kazu Hirata  <kazu@cs.umass.edu>

        * reload1.c: Revert my previous patch on 2002-04-17.

2003-04-18  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/contrib.texi (Contributors): Prefer "bug fix" over "bugfix".
        Add Segher Boessenkool.

2003-04-18  Alexander Sotirov  <sluncho@mirizma.org>

        PR c/9177
        * c-decl.c (c_expand_body): Don't garbage collect the function
        body if we are going to dump it later.

2003-04-18  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (SYMBOL_FLAG_NEAR, SYMBOL_FLAG_SAMEGP): Remove.
        (alpha_end_function): Don't set them.
        (decl_in_text_section): Remove.
        (alpha_encode_section_info): Remove.
        (samegp_function_operand): Use SYMBOL_REF LOCAL_P and EXTERNAL_P.
        (direct_call_operand): Use SYMBOL_REF_DECL and compare actual
        sections, rather than decl_in_text_section results.

2003-04-18  Roger Sayle  <roger@eyesopen.com>

        * rtlanal.c (reg_overlap_mentioned_p): Handle ZERO_EXTRACT
        and SIGN_EXTRACT.

2003-04-18  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR optimization/7675
        * c-typeck.c (build_external_ref): Set the DECL_NONLOCAL flag
        on VAR_DECL, PARM_DECL and FUNCTION_DECL from within
        nested functions if they refer to declarations from parent functions.
        * stmt.c (expand_decl): Don't put automatic variables in registers
        if the DECL_NONLOCAL flag is set.

2003-04-18  Hans-Peter Nilsson  <hp@bitrange.com>

        * gcse.c (compute_ld_motion_mems): For MEM destinations, only
        consider those to be movable where the source matches
        want_to_gcse_p.
        (update_ld_motion_stores): In comment, refer to
        compute_ld_motion_mems for validity of replacement.

Fri Apr 18 01:28:51 CEST 2003  Jan Hubicka  <jh@suse.cz>

        * gcov-dump.c (tag_summary): Remove max_sum
        * gcov-io.h (gcov_summary, gcov_write_summary,
        gcov_read_summary): Kill max_sum.
        * libgcov.c (gcov_exit): Do one pass over the data.  Make error
        message more verbose.

        * emit-rtl.c (subreg_hard_regno):  Check that register is
        representable.
        
        * reload.c (reload_inner_reg_of_subreg):  When register is not
        representable, reload the whole thing.
        (find_reloads): Likewsie.
        * rtlanal.c (subreg_representable_p):  New function.

        * profile.c (compute_branch_probabilities):  Cleanup sanity checking;
        allow negative probabilities for edges from the call to exit.
        (branch_prob): Do not add fake edges for functions that may return
        twice.

2003-04-17  DJ Delorie  <dj@redhat.com>

        * toplev.c (target_options): Add value field.
        (set_target_switch): Handle target options with values.
        * doc/tm.texi: Document how fixed vs variable target
        options work.
        * config/alpha/alpha.h, config/arc/arc.h, config/avr/avr.h,
        config/c4x/c4x.h, config/cris/aout.h, config/cris/cris.h,
        config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
        config/frv/frv.h, config/i386/i386.h, config/ia64/ia64.h,
        config/m32r/m32r.h, config/m68hc11/m68hc11.h,
        config/m68k/m68k.h, config/m88k/m88k.h, config/mcore/mcore.h,
        config/mips/mips.h, config/mmix/mmix.h, config/pa/pa.h,
        config/rs6000/rs6000.h, config/rs6000/sysv4.h,
        config/s390/s390.h, config/sparc/sparc.h, config/v850/v850.h:
        Add value initializer to target options.

2003-04-07  Loren James Rittle  <ljrittle@acm.org>

        * cpppch.c (cpp_valid_state): Unconditionally initialize nl.

2003-04-17  Kazu Hirata  <kazu@cs.umass.edu>

        * reload1.c (move2add_last_cc0): New.
        (reload_cse_move2add): Detect implicit sets.
        (move2add_note_store): Notice a store into cc0.

2003-04-17  Roger Sayle  <roger@eyesopen.com>

        PR c/10375
        * c-decl.c (duplicate_decls): Preserve "const" and "noreturn"
        function attributes.

2003-04-17  Janis Johnson  <janis187@us.ibm.com>

        * doc/sourcebuild.texi (Test Suites): Document support for testing
        binary compatibility (moved from testsuite/README.compat).

2003-04-17  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (ia64_in_small_data_p): Disallow strings.

2003-04-17  Simon Law  <sfllaw@engmail.uwaterloo.ca>

        * doc/include/gpl.texi: Fix double-spacing after "MA" to match
        the one provided by the FSF.

2003-04-17  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/install.texi (Binaries): Update URL and list of platforms
        provided by ftp.thewrittenword.com.

2003-04-17  Richard Henderson  <rth@redhat.com>

        * config/xtensa/xtensa.c (xtensa_encode_section_info): Remove.
        (call_insn_operand): Use SYMBOL_REF_LOCAL_P.
        * config/xtensa/xtensa.md (call, call_value): Likewise.

2003-04-17  Richard Henderson  <rth@redhat.com>

        * config/v850/v850.c (print_operand): Use SYMBOL_REF_[ZST]DA.
        (print_operand_address): Likewise.
        (ep_memory_operand): Likewise.
        (special_symbolref_operand): Likewise.
        (v850_encode_data_area): Use SYMBOL_REF_FLAGS.
        (v850_encode_section_info): Call default_encode_section_info.
        (v850_strip_name_encoding): Remove.
        * config/v850/v850.h (EXTRA_CONSTRAINT): Use SYMBOL_REF_[ZST]DA.
        (ASM_OUTPUT_LABELREF): Remove.
        (ZDA_NAME_FLAG_CHAR, ZDA_NAME_P): Remove.
        (SDA_NAME_FLAG_CHAR, SDA_NAME_P): Remove.
        (TDA_NAME_FLAG_CHAR, TDA_NAME_P): Remove.
        (ENCODED_NAME_P): Remove.
        (SYMBOL_FLAG_ZDA, SYMBOL_REF_ZDA_P): New.
        (SYMBOL_FLAG_SDA, SYMBOL_REF_SDA_P): New.
        (SYMBOL_FLAG_TDA, SYMBOL_REF_TDA_P): New.

2003-04-17  Richard Henderson  <rth@redhat.com>

        * config/stormy16/stormy16.c (xstormy16_encode_section_info): Kill.
        * config/stormy16/stormy16.h (ASM_OUTPUT_SYMBOL_REF): Use
        SYMBOL_REF_FUNCTION_P.

2003-04-17  Richard Henderson  <rth@redhat.com>

        * config/sparc/sparc.c (sparc_encode_section_info): Remove.
        (data_segment_operand): Use SYMBOL_REF_FUNCTION_P.
        (text_segment_operand): Likewise.

2003-04-17  Richard Henderson  <rth@redhat.com>

        * config/sh/sh.c (gen_datalabel_ref): Don't add SH_DATALABEL_ENCODING.
        (tls_symbolic_operand): Use SYMBOL_REF_TLS_MODEL.
        (legitimize_pic_address): Use SYMBOL_REF_LOCAL_P.
        (sh_encode_section_info): Remove.
        (sh_strip_name_encoding): Remove.
        * config/sh/sh.h (SH_DATALABEL_ENCODING): Remove.
        (DATALABEL_SYMNAME_P, STRIP_DATALABEL_ENCODING): Remove.
        (SH_TLS_ENCODING, TLS_SYMNAME_P, STRIP_TLS_ENCODING): Remove.
        (ASM_OUTPUT_LABELREF): Remove.
        (ASM_OUTPUT_SYMBOL_REF): Use SYMBOL_REF_FUNCTION_P.
        * config/sh/sh.md (*): Use SYMBOL_REF_LOCAL_P.

2003-04-17  Richard Henderson  <rth@redhat.com>

        * config/s390/s390.c (SYMBOL_FLAG_ALIGN1): New.
        (tls_model_chars): Remove.
        (larl_operand): Use SYMBOL_REF_FLAGS.
        (tls_symbolic_operand): Use SYMBOL_REF_TLS_MODEL.
        (legitimize_pic_address): Use SYMBOL_REF_LOCAL_P.
        (s390_output_mi_thunk): Likewise.
        (s390_emit_prologue): Set SYMBOL_FLAG_LOCAL as needed.
        (s390_function_profiler): Likewise.
        (s390_encode_section_info): Use default_encode_section_info
        and SYMBOL_FLAG_ALIGN1.
        (s390_strip_name_encoding): Remove.
        * config/s390/s390.h (ASM_OUTPUT_LABELREF): Remove.
        * config/s390/s390.md (call, call_value): Use SYMBOL_REF_LOCAL_P.
        (builtin_setjmp_receiver): Set SYMBOL_FLAG_LOCAL as needed.

2003-04-17  Richard Henderson  <rth@redhat.com>

        * config/ns32k/ns32k.c (ns32k_encode_section_info): Remove.
        (global_symbolic_reference_mentioned_p): Use SYMBOL_REF_LOCAL_P.
        (print_operand_address): Likewise.

        * config/ns32k/ns32k.h (CANNOT_CHANGE_MODE_CLASS): Add CLASS argument.
        * config/ns32k/ns32k.c (expand_block_move): Don't check
        flag_unroll_loops.

2003-04-17  Richard Henderson  <rth@redhat.com>

        * config/mcore/mcore.c (mcore_encode_section_info): Don't set
        SYMBOL_REF_FLAG.

2003-04-17  Richard Henderson  <rth@redhat.com>

        * rtl.h (SYMBOL_FLAG_MACH_DEP_SHIFT): New.

        * config/m32r/m32r.c (SYMBOL_FLAG_MODEL_SHIFT): New.
        (SYMBOL_REF_MODEL): New.
        (LIT_NAME_P): Move from m32r.h.
        (m32r_select_section): Remove.
        (m32r_encode_section_info): Use SYMBOL_REF_FLAGS.
        (m32r_strip_name_encoding): Remove.
        (m32r_in_small_data_p): New.
        (small_data_operand): Use SYMBOL_REF_SMALL_P.
        (addr24_operand): Use SYMBOL_REF_MODEL.
        (call26_operand): Likewise.
        (addr32_operand): Tidy.
        (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
        * config/m32r/m32r.h (RODATA_SECTION_ASM_OP): Remove.
        (SDATA_SECTION_ASM_OP, SBSS_SECTION_ASM_OP): Remove.
        (READONLY_DATA_SECTION_ASM_OP): Remove.
        (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Remove.
        (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Remove.
        (TARGET_ASM_SELECT_SECTION): Remove.
        (SDATA_FLAG_CHAR, MEDIUM_FLAG_CHAR, LARGE_FLAG_CHAR): Remove.
        (SDATA_NAME_P, SMALL_NAME_P, MEDIUM_NAME_P): Remove.
        (LARGE_NAME_P, ENCODED_NAME_P): Remove.
        (ASM_OUTPUT_LABELREF): Remove.

2003-04-17  Richard Henderson  <rth@redhat.com>

        * config/ip2k/ip2k.c (is_regfile_address): Use SYMBOL_REF_FUNCTION_P.
        (encode_section_info): Remove.
        * config/ip2k/ip2k-protos.h: Update.

2003-04-17  Richard Henderson  <rth@redhat.com>

        * varasm.c (default_encode_section_info): Don't set
        SYMBOL_FLAG_EXTERNAL if not TREE_PUBLIC.
        * config/i370/i370.c (i370_encode_section_info): Remove.
        * config/i370/i370.h (CONSTANT_ADDRESS_P): Use SYMBOL_REF_EXTERNAL_P.
        (PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Likewise.
        * config/i370/i370.md (movsi): Likewise.

        * config/i370/t-i370: Add missing backslash.

2003-04-17  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/invoke.texi (inline-limit): Fix pasto.

2003-04-17  Richard Henderson  <rth@redhat.com>

        * config/h8300/h8300.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): New.
        (small_call_insn_operand): Use it.
        (SYMBOL_FLAG_EIGHTBIT_DATA): New.
        (h8300_eightbit_constant_address_p): Use it.
        (SYMBOL_FLAG_TINY_DATA): New.
        (h8300_tiny_constant_address_p): Use it.
        (h8300_encode_label, h8300_strip_name_encoding): Remove.
        (h8300_encode_section_info): Set SYMBOL_REF_FLAGS.
        * config/h8300/h8300.h (TINY_DATA_NAME_P): Remove.
        (ASM_OUTPUT_LABELREF): Remove.

2003-04-16  Richard Henderson  <rth@redhat.com>

        * config/frv/frv.c (symbol_ref_small_data_p): Remove.  Replace
        all users with SYMBOL_REF_SMALL_P.
        (const_small_data_p): Use SYMBOL_REF_SMALL_P.
        (frv_encode_section_info): Remove.
        (frv_strip_name_encoding): Remove.
        (frv_in_small_data_p): Merge tests from encode_section_info.
        (frv_print_operand): Use '@' not SDATA_FLAG_CHAR.
        * config/frv/frv.h (SDATA_FLAG_CHAR): Remove.
        (SDATA_NAME_P): Remove.
        (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use SIZE not SDATA_NAME_P.
        (ASM_OUTPUT_LABELREF): Remove.
        (PRINT_OPERAND_PUNCT_VALID_P): Use '@' not SDATA_FLAG_CHAR.

        * config/frv/frv.c (frv_asm_out_constructor): New.
        (frv_asm_out_destructor): New.
        * config/frv/frv.h (CTORS_SECTION_ASM_OP): New.
        (DTORS_SECTION_ASM_OP): New.
        (ASM_OUTPUT_CONSTRUCTOR): Remove.
        (ASM_OUTPUT_DESTRUCTOR): Remove.

2003-04-16  Richard Henderson  <rth@redhat.com>

        * config/cris/cris.c (cris_gotless_symbol, cris_got_symbol): Use
        SYMBOL_REF_LOCAL_P; abort if not pic.
        (cris_encode_section_info): Remove.

2003-04-16  Richard Henderson  <rth@redhat.com>

        * config/c4x/c4x.c (c4x_encode_section_info): Remove.
        (c4x_T_constraint): Use SYMBOL_REF_FUNCTION_P.

        * config/c4x/c4x.h (TARGET_CPU_CPP_BUILTINS): Declare
        flag_inline_trees.

2003-04-16  Richard Henderson  <rth@redhat.com>

        * config/avr/avr.c (avr_encode_section_info): Remove.
        (avr_insert_attributes): New.
        (print_operand_address): Use SYMBOL_REF_FUNCTION_P.
        (avr_assemble_integer): Likewise.

2003-04-16  Richard Henderson  <rth@redhat.com>

        * arc.c (arc_encode_section_info): Remove.
        (arc_assemble_integer): Use SYMBOL_REF_FUNCTION_P.
        (arc_print_operand, arc_print_operand_address): Likewise.
        * arc.h (EXTRA_CONSTRAINT): Likewise.

2003-04-16  Roger Sayle  <roger@eyesopen.com>

        * c-semantics.c (find_reachable_label): New function to find a
        potentially reachable label in an expression.
        (expand_unreachable_if_stmt): Similar to expand_if_stmt but
        assumes the start of the IF_STMT is unreachable (dead) code.
        (expand_unreachable_stmt): Similar to expand_stmt but assumes
        the start of the statement list is unreachable (dead) code.
        (genrtl_if_stmt):  If the controlling expression of the IF
        is constant, use expand_unreachable_stmt for the THEN or ELSE
        clause as appropriate.
        (genrtl_switch_stmt):  Use expand_unreachable_stmt to expand
        the body of a SWITCH statement.
        (expand_stmt): The code immediately following a "return",
        "break", "continue" or "goto" is unreachable.
        * Makefile.in (c-semantics.o): Depend upon tree-inline.h.

2003-04-16  Richard Henderson  <rth@redhat.com>

        * rtl.h (MEM_ALIAS_SET): Update documentation.
        * doc/rtl.texi (Special Accessors): New node.
        (SYMBOL_REF_FLAG): Note relationship with SYMBOL_REF_FLAGS.

2003-04-16  Alexandre Oliva  <aoliva@redhat.com>

        * reload1.c (reload_cse_noop_set_p): Return false if mode of
        SET_DEST is not the same as that returned by...
        * cselib.h (cselib_reg_set_mode): ... new function.
        * cselib.c (cselib_reg_set_mode): Define it.
        (REG_VALUES): Document semantics of first element as set mode.
        (cselib_subst_to_values): Skip first element if ELT is NULL.
        (cselib_lookup): Likewise.  Insert past the first element.
        (cselib_invalidate_regno): NULLify first element.
        (cselib_record_set): Set first element.

2003-04-16  Olivier Hainque <hainque@act-europe.fr>

        * tree.c (skip_simple_arithmetics_at, saved_expr_p): New functions.
        (save_expr): Replace loop by call to skip_simple_arithmetics_at.
        * tree.h: Add prototypes for the two new functions.
        * fold-const.c (fold_binary_op_with_conditional_arg): Replace test
        updates introduced in the previous revision by call to saved_expr_p.
        * stor-layout.c (put_pending_size): Use skip_simple_arithmetics_at.

        * expr.c (store_field): Force usage of bitfield instructions when
        the field position requires it, whatever SLOW_UNALIGNED_ACCESS.
        (expand_expr, case BIT_FIELD_REF): likewise.

2003-04-16  Mark Mitchell  <mark@codesourcery.com>

        PR middle-end/8866
        * cfgtrl.c (try_redirect_by_replacing_jump): Do not delete
        jumptables.

2003-04-16  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (sdata_symbolic_operand): Use
        SYMBOL_REF_SMALL_P and SYMBOL_REF_LOCAL_P.
        (tls_symbolic_operand): Use SYMBOL_REF_TLS_MODEL.
        (function_operand): Use SYMBOL_REF_FUNCTION_P.
        (ia64_expand_load_address): Likewise.
        (ia64_assemble_integer): Likewise.
        (ia64_encode_section_info): Remove.
        (ia64_strip_name_encoding): Remove.
        * config/ia64/ia64.h (ENCODE_SECTION_INFO_CHAR): Remove.
        * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't strip it.

2003-04-16  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (SYMBOL_FLAG_NEAR, SYMBOL_FLAG_SAMEGP): New.
        (samegp_function_operand): Use SYMBOL_FLAG_SAMEGP.
        (direct_call_operand): Use SYMBOL_FLAG_NEAR.
        (local_symbolic_operand): Use SYMBOL_REF_LOCAL_P.
        (small_symbolic_operand): Use SYMBOL_REF_SMALL_P.
        (global_symbolic_operand): Similarly.
        (tls_symbolic_operand_1): Use SYMBOL_REF_TLS_MODEL.
        (tls_symbolic_operand_type): Likewise.
        (alpha_encode_section_info): Use default_encode_section_info.
        (alpha_strip_name_encoding): Remove.
        (get_tls_get_addr): Split out from ...
        (alpha_legitimize_address): ... here.
        (alpha_emit_xfloating_libcall): Use init_one_libfunc.
        (get_some_local_dynamic_name_1): Use SYMBOL_REF_TLS_MODEL.
        (alpha_initialize_trampoline): Use init_one_libfunc.
        (alpha_setup_incoming_varargs): Mark unused parameters.
        (alpha_initial_elimination_offset): Likewise.
        (alpha_end_function): Use SYMBOL_FLAG_NEAR, SYMBOL_FLAG_SAMEGP.
        (unicosmk_unique_section): Use default_strip_name_encoding.
        (unicosmk_ssib_name, unicosmk_output_externs): Likewise.

2003-04-16  Aldy Hernandez  <aldyh@redhat.com>

        * config.gcc: Add t-spe for eabispe.

        * config/rs6000/t-spe: New.

2003-04-16  J"orn Rennecke <joern.rennecke@superh.com>

        Re-apply this patch:

        2002-05-16  Dale Johannesen  <dalej@apple.com>
          * combine.c (cant_combine_insn_p):  Reenable combinations
          involving hard regs unless CLASS_LIKELY_SPILLED_P.

2003-04-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR/10271
        * pa-protos.h (function_arg): Remove last argument.
        * pa.c (function_arg): Likewise.  Use CUMULATIVE_ARGS struct instead.
        * pa.h (struct hppa_args): Add member incoming.
        (INIT_CUMULATIVE_ARGS, INIT_CUMULATIVE_INCOMING_ARGS): Initialize
        member incoming.
        (FUNCTION_ARG): Revise call to function_arg.
        (FUNCTION_INCOMING_ARG): Delete.

2003-04-15  Zack Weinberg  <zack@codesourcery.com>

        * configure.in: Unify the code which creates symlinks to a
        just-built as, ld, objdump, and nm with the code that detects
        their presence for purposes of feature tests.
        * configure: Regenerate.

2003-04-15  Zack Weinberg  <zack@codesourcery.com>

        * varasm.c (output_constant_def): Do not consult
        CONSTANT_AFTER_FUNCTION_P.  Remove all code predicated on it.
        (after_function_constants, output_after_function_constants): Delete.
        * doc/tm.texi: Delete documentation of CONSTANT_AFTER_FUNCTION_P.
        * config/mips/mips-protos.h, config/mips/mips.c
        (mips16_constant_after_function_p): Delete.
        * config/mips/mips.h: Delete #if-0-ed definition of
        CONSTANT_AFTER_FUNCTION_P.
        * config/d30v/d30v.h, config/stormy16/stormy16.h: Remove
        mention of CONSTANT_AFTER_FUNCTION_P in comment.

2003-04-15  Geoffrey Keating  <geoffk@apple.com>

        * tree.c (next_decl_uid): Mark with GTY.
        (next_type_uid): Likewise.

2003-04-15  J"orn Rennecke <joern.rennecke@superh.com>

        PR target/9594:
        * sh.c (barrier_align): Also recognize stuff_delay_slot as
        an indicator that a barrier was created by branch splitting.

2003-04-15  Mark Mitchell  <mark@codesourcery.com>

        * c-decl.c (implicitly_declare): Copy declarations that are going
        to be placed in a local scope.

2003-04-15  James A. Morrison  <ja2morri@uwaterloo.ca>

        * invoke.texi (Spec Files): Wrap if-exists-else example.
        (MCore): Remove duplicate @itemx entries and @opindex entries.

2003-04-15  Ulrich Weigand  <uweigand@de.ibm.com>

        * unwind.inc (_Unwind_Backtrace): New function.
        * unwind.h (_Unwind_Backtrace): Declare it.
        * libgcc-std.ver (_Unwind_Backtrace): Export it.

2003-04-14  Jason Merrill  <jason@redhat.com>

        PR middle-end/10336, c++/10401
        * jump.c (never_reached_warning): Also stop looking if we reach the
        beginning of the function.

2003-04-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR target/10338
        PR bootstrap/10198
        PR bootstrap/10140
        * fixinc/gnu-regex.c (regerror): Use mempcpy not __mempcpy.

2003-04-15  J"orn Rennecke <joern.rennecke@superh.com>

        * i386.md (abssf2_if+1): Make condition agree with abssf2_1 .

2003-04-15  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * optabs.c (expand_binop): In multi-word add cases, ensure
        XTARGET is copied to TARGET if they are different.

2003-04-15  Olivier Hainque <hainque@act-europe.fr>

        * except.c (resolve_fixup_regions): Avoid dereferencing null pointer
        to region, possible after integration of function with unreachable
        regions that were optimized away.

2003-04-15  Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/rs6000.h (EPILOGUE_USES): Use register 2,
        instead of TOC_REGISTER in epilogue in
        current_function_calls_eh_return functions.

2003-04-14  Mark Mitchell  <mark@codesourcery.com>

        * doc/extend.texi (Empty Structures): Correct description of G++'s
        handling of these structures.

        * c-decl.c (grokdeclarator): Reject extern redeclarations of
        static variables.

2003-04-14  Janis Johnson  <janis287@us.ibm.com>

        * config/rs6000/rs6000.md (define_constants): Define constants for
        all UNSPEC usage, including new values for TLS support.
        (aux_truncdfsf2, fctiwz, movsi_got, movsi_got_internal,
        load_toc_aix_si, load_toc_aix_di, load_toc_v4_pic_si,
        load_toc_v4_PIC_1, load_toc_v4_PIC_1b, load_macho_picbase,
        macho_correct_pic, blockage, move_from_CR_ov_bit, movesi_from_cr,
        stack_tie, movsi_to_cr_one, movsi_to_cr, mtcrfsi, eh_set_lr_si,
        eh_set_lr_di): Use them.
        * rs6000.c: (mtcrf_operation, uses_TOC, rs6000_emit_prologue,
        rs6000_emit_epilogue) Use them.

        * rtl.h (SYMBOL_REF_TLS_MODEL): Fix mask value.

2003-04-14  Neil Booth  <neil@daikokuya.co.uk>

        * Makefile.in (c-opts.o): Use custom action.

2003-04-14  Douglas B Rupp  <rupp@gnat.com>

        * ifcvt.c (noce_process_if_block): Fail on BLKmode move.

2003-04-14  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * stor-layout.c (layout_type, case ARRAY_TYPE): Add missing code to
        handle "superflat arrays" in Ada.

        * integrate.c (expand_inline_function): Don't inline if would
        lose /u on a BLKmode TARGET.

2003-04-14  Joel Brobecker  <brobecker@gnat.com>

        * dbxout.c (print_int_cst_bounds_in_octal_p): New function,
        extracted from dbxout_type.
        (dbxout_range_type): print large bounds in octal format.
        (dbxout_type): Replace extracted code by call to
        print_int_cst_bounds_in_octal_p.

        * dwarf2out.c (gen_compile_unit_die): Emit DW_LANG_Ada95 instead
        of DW_LANG_Ada83 for Ada units.

2003-04-14  Olivier Hainque <hainque@act-europe.fr>

        * explow.c (round_push): Use HOST_WIDE_INT instead of int for the
        temporary used to round CONST_INT sizes.

        * tree.c (int_fits_type_p): Extract generic checks from the case
        of constant type bounds. Refine the checks against constant type
        bounds to allow for possible decisions against each of these bounds
        without requiring both bounds to be constant.
        (tree_int_cst_msb): Put back.
        * tree.h (tree_int_cst_msb): Likewise.

        * global.c (global_conflicts): Prevent allocation of call clobbered
        hard regs to pseudos live across abnormal edges, as later passes are
        not ready to handle them.

        * fold-const.c (fold): Reorder tests for conditional expressions.

        * expr.c (highest_pow2_factor): Return unsigned.
        * expr.h (offset_address): Likewise.
        * emit-rtl.c (offset_address): POW2 argument now unsigned.

2003-04-14  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (expand_builtin_strlen):  Evaluate the lengths of
        string literals at compile-time.

2003-04-14  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold):  Transform (c1 - x) cmp c2, where cmp is a
        comparison operation and c1/c2 are floating point constants into
        x swap(cmp) (c1 - c2).

2003-04-14  Vladimir Makarov  <vmakarov@redhat.com>

        * genautomata.c (output_translate_vect): Fix a typo in loop
        condition.

2003-04-14  Hans-Peter Nilsson  <hp@axis.com>

        PR target/10377
        * config/cris/cris.md ("*mov_sideqi", "*mov_sidehi")
        ("*mov_sidesi", "*mov_sideqi_mem", "*mov_sidehi_mem")
        ("*mov_sidesi_mem", "*clear_sidesi", "*clear_sidehi")
        ("*clear_sideqi", "*ext_sideqihi", "*ext_sideqisi")
        ("*ext_sidehisi", "*op_sideqi", "*op_sidehi", "*op_sidesi")
        ("*op_swap_sideqi", "*op_swap_sidehi", "*op_swap_sidesi")
        ("*extopqihi_side", "*extopqisi_side", "*extophisi_side")
        ("*extopqihi_swap_side", "*extopqisi_swap_side")
        ("*extophisi_swap_side", 8th, 9th, 10th, 11th, 14th peepholes):
        When next to constraint R, replace constraint i with n.

Mon Apr 14 16:18:37 CEST 2003  Jan Hubicka  <jh@suse.cz>

        PR opt/10024
        * cfgrtl.c (force_nonfallthru_and_redirect): Use unchecked_make_edge.

2003-04-14  Kriang Lerdsuwanakij  <lerdsuwa@users.sourceforge.net>

        * doc/contrib.texi (Contributors): Correct my entry.

2003-04-13  Roger Sayle  <roger@eyesopen.com>

        * tree.h (DECL_BUILT_IN_NONANSI): Remove.
        * c-common.c (builtin_function_2): Don't set DECL_BUILT_IN_NONANSI.
        * c-decl.c (duplicate_decls): Use invariant DECL_BUILT_IN_NONANSI
        implies DECL_BUILT_IN to simplify logic.
        * print-tree.c (print_node): Don't dump DECL_BUILT_IN_NONANSI.

2003-04-13  Roger Sayle  <roger@eyesopen.com>

        * builtin-types.def (BT_FN_STRING_CONST_STRING): New builtin type.
        (BT_FN_PTR_SIZE_SIZE): Likewise.
        * builtins.def (BUILT_IN_MALLOC, BUILT_IN_CALLOC, BUILT_IN_STRDUP):
        New built-in functions for malloc, calloc and strdup respectively.
        * calls.c (special_function_p): No need to handle malloc-like
        functions any longer.  ECF_MALLOC is set via built-in attributes.

        * c-decl.c (duplicate_decls): Preserve pure and malloc attributes.

        * doc/extend.texi: Document these new built-in functions.

2003-04-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (expand_builtin_memcpy): Add `endp' argument, use it.
        (expand_builtin_stpcpy): New.
        (expand_builtin): Add BUILT_IN_MEMPCPY & BUILT_IN_STPCPY.
        * builtins.def: Add mempcpy & stpcpy support.
        * doc/extend.texi (mempcpy, stpcpy): Document new builtins.

2003-04-13  Nick Clifton  <nickc@redhat.com>

        * config/rs6000/rs6000.c: Replace occurrences of "GNU CC" with
        "GCC".
        * config/rs6000/40x.md, config/rs6000/603.md,
        config/rs6000/6xx.md, config/rs6000/7450.md, config/rs6000/7xx.md,
        config/rs6000/8540.md, config/rs6000/aix.h, config/rs6000/aix31.h,
        config/rs6000/aix3newas.h, config/rs6000/aix41.h,
        config/rs6000/aix43.h, config/rs6000/aix51.h,
        config/rs6000/aix52.h, config/rs6000/altivec-defs.h,
        config/rs6000/altivec.h, config/rs6000/altivec.md,
        config/rs6000/beos.h, config/rs6000/darwin.h,
        config/rs6000/eabi.h, config/rs6000/eabialtivec.h,
        config/rs6000/eabisim.h, config/rs6000/eabispe.h,
        config/rs6000/freebsd.h, config/rs6000/gnu.h,
        config/rs6000/host-darwin.c, config/rs6000/linux.h,
        config/rs6000/linux64.h, config/rs6000/linuxaltivec.h,
        config/rs6000/lynx.h, config/rs6000/mach.h, config/rs6000/mpc.md,
        config/rs6000/netbsd.h, config/rs6000/power4.md,
        config/rs6000/rios1.md, config/rs6000/rios2.md,
        config/rs6000/rs6000-c.c, config/rs6000/rs6000-modes.def,
        config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c,
        config/rs6000/rs6000.h, config/rs6000/rs6000.md,
        config/rs6000/rs64.md, config/rs6000/rtems.h, config/rs6000/spe.h,
        config/rs6000/spe.md, config/rs6000/sysv4.h,
        config/rs6000/sysv4le.h, config/rs6000/vxworks.h,
        config/rs6000/windiss.h, config/rs6000/xcoff.h: Likewise.

2003-04-13  Nick Clifton  <nickc@redhat.com>

        * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Delete
        support for -mcall-aix switch.
        * config/rs6000/eabiaix.h: Delete.
        * config/rs6000/rs6000.h (rs6000_abi): Remove ABI_AIX_NODESC.
        (RS6000_REG_SAVE, RS6000_SAVE_AREA, FP_ARGS_MAX_REG,
        RETURN_ADDRESS_OFFSET): Remove use of ABI_AIX_NODESC.
        * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Likewise.
        * config/rs6000/rs6000.c (print_operand, rs6000_stack_info,
        debug_stack_info, output_function_profiler,
        rs6000_trampoline_size, rs6000_initialise_trampoline): Likewise.
        * config/rs6000/rs6000.md (call, call_value, call_nonlocal_sysv,
        call_indirect_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
        call_value_nonlocal_sysv, sibcall_value_nonlocal_sysv,
        sibcall_nonlocal_sysv, sibcall_value_local64): Likewise.
        * config/rs6000/t-ppcgas (MULTILIB_OPTIONS): Remove mcall-aix
        multilibs.
        (MULTILIB_DIRNAMES): Remove mcall-aix directories.
        (MULTILIB_EXCEPTIONS): Delete.
        (MULTILIB_MATCHES): Remove mcall-aix matches.

        * doc/fragments.texi: Replace -mcall-aix example with an ARM
        one.
        * doc/install.texi: Delete powerpc-*-eabiaix target.
        * doc/invoke.texi: Remove documentation of mcall-aix switch.
        * doc/tm.texi: Remove mcall-aix from example CPP_SPEC.
        * config.gcc: Delete powerpc-*-eabiaix target.

2003-04-13  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/invoke.texi: Fix typos.
        * doc/tm.texi: Likewise.

2003-04-12  Zack Weinberg  <zack@codesourcery.com>

        * c-typeck.c (digest_init, push_init_level): Use CONSTRUCTOR_ELTS.

2003-04-12  Zack Weinberg  <zack@codesourcery.com>

        * tree.c (build_constructor): New function.
        * tree.h: Prototype it.

        * c-typeck.c (build_c_cast, pop_init_level)
        * profile.c (build_function_info_value, build_gcov_info_value)
        (create_profiler):
        Use build_constructor.

        * builtins.c (expand_builtin_args_info): Remove #if 0 blocks.

        * objc/objc-act.c (build_constructor):
        Rename objc_build_constructor. Use build_constructor.
        (build_objc_string_object, objc_add_static_instance)
        (init_def_list, init_objc_symtab, init_module_descriptor)
        (generate_static_references, build_selector_translation_table)
        (build_descriptor_table_initializer, generate_descriptor_table)
        (build_protocol_initializer, build_ivar_list_initializer)
        (generate_ivars_list, build_dispatch_table_initializer)
        (generate_dispatch_table, generate_protocol_list)
        (build_category_initializer, build_shared_structure_initializer):
        Update to match.

2003-04-12  Zack Weinberg  <zack@codesourcery.com>

        * intl.h: #define gcc_gettext_width to strlen when !ENABLE_NLS.

2003-04-12  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11-protos.h
        (m68hc11_eq_compare_operator): Declare
        * config/m68hc11/m68hc11.h (PREDICATE_CODES): Register new predicate.
        * config/m68hc11/m68hc11.c (m68hc11_eq_compare_operator): New predicate
        (d_register_operand): Check the operand mode.
        (hard_addr_reg_operand): Likewise.

2003-04-12  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.md ("decrement_and_branch_until_zero"): New
        pattern for dbcc/ibcc generation for 68HC12.
        ("doloop_end"): New pattern.
        ("m68hc12_dbcc_dec_hi"): New pattern for dbeq/dbne.
        ("m68hc12_dbcc_inc_hi"): New pattern for ibeq/ibne.
        ("m68hc12_dbcc_dec_qi"): New pattern.
        ("m68hc12_dbcc_inc_qi"): New pattern.
        (split): Add split for the above when we can't use dbcc/ibcc due to
        reloading.
        (peephole2): Add peephole2 to generate the above when possible.

2003-04-12  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.md ("bitcmpqi" split): No need to test the
        mode of operand 0.
        (peephole2 optimize const load): Likewise for operand 2.
        ("*rotlhi3_with_carry"): Change pattern to a const 1 rotate which
        clobbers CC_REGNUM.
        ("*rotrhi3_with_carry"): Likewise.
        (ashift:DI 1 split): Update pattern to create the above rotate.
        (lshiftrt:DI 1 split): Likewise.

2003-04-12  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.md (SOFT_Z_REGNUM): New constant.
        ("tstqi_z_used" split): Use it.
        ("cmphi_z_used"): Likewise.
        ("bitcmpqi_z_used"): Likewise; also use SP_REGNUM constant.
        ("cmpqi_z_used"): Likewise.

2003-04-12  Mark Mitchell  <mark@codesourcery.com>

        PR c++/7910
        * config/i386/winnt.c (i386_pe_mark_dllimport): Fix thinko.

2003-04-12  Zack Weinberg  <zack@codesourcery.com>

        * configure.in: Check for wchar.h, mbstowcs, and wcswidth.
        * configure, config.in: Regenerate.
        * intl.c (gcc_gettext_width): New function.
        * intl.h: Prototype it.

2003-04-12  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.h (TARGET_SWITCHES): Fix -mnominmax option;
        recognize -mnorelax.
        (reg_class): Add Z_OR_S_REGS to represent soft registers with Z
        (REG_CLASS_NAMES): Add its name.
        (REG_CLASS_CONTENTS): Define its content.

2003-04-12  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/larith.asm (memcpy): Use ARG macro to access stack
        parameters so that offsets are valid for far definition.
        (__mulsi3): Likewise and use ret to return.
        (___adddi3, ___subdi3, ___notdi2, ): Don't use it to save the result.

2003-04-12  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_hash_constant): Skip '0' fields.

2003-04-12  Alexandre Oliva  <aoliva@redhat.com>

        * mklibgcc.in (libgcc-stage-start): For every multilib  directory
        containing a libgcc.a, move lib* to the corresponding stage dir.

        * Makefile.in (stage1-start, stage2-start, stage3-start,
        stage4-start): Move $(SPECS) to specs in stage dir.
        (unstage1 unstage2 unstage3 unstage4): Move specs in stage dir
        back as $(SPECS).

        * mklibgcc.in (libgcc-stage-start): Move into the stage directory
        object files from the non-libgcc/ multilib directories as well.

2003-04-11  Geoffrey Keating  <geoffk@apple.com>

        * profile.c (read_counts_file): Initialise 'checksum'.

        * emit-rtl.c (gen_rtx): Really correct typo.

        PR c++/9393
        * doc/invoke.texi (Debugging Options): Document -frandom-seed.
        * configure.in: Check for gettimeofday.
        * tree.c (flag_random_seed): Define.
        (default_flag_random_seed): New.
        (append_random_chars): Use flag_random_seed rather than trying
        to acquire randomness here.
        * tree.h (default_flag_random_seed): Declare.
        * toplev.c (display_help): Add -frandom-seed and -fstack-limit-*
        descriptions.
        (decode_f_option): Handle -frandom-seed.
        (print_switch_values): Call default_flag_random_seed.
        * flags.h (flag_random_seed): Declare.
        * configure: Regenerate.
        * config.in: Regenerate.
        * config/alpha/t-crtfm: Use -frandom-seed.

        * doc/extend.texi (Empty Structures): New.

        * c-pch.c: Include flags.h.  Add comments to routines.
        (struct c_pch_validity): New.
        (get_ident): Update PCH file version number.
        (pch_init): Output current debugging type.
        (c_common_valid_pch): Check debugging type.
        * Makefile.in (c-pch.o): Update dependencies.
        * flags.h (debug_type_names): Declare.
        * toplev.c (debug_type_names): Move out of decode_g_option.

2003-04-11  Eric Christopher  <echristo@redhat.com>

        * emit-rtl.c (gen_rtx): Fix typos.

2003-04-11  Richard Henderson  <rth@redhat.com>

        * emit-rtl.c (gen_rtx): Zero '0' fields.

2003-04-11  Richard Henderson  <rth@redhat.com>

        PR c++/10202
        * expr.c (expand_expr): Use COMPLETE_OR_UNBOUND_ARRAY_TYPE_P
        not COMPLETE_TYPE_P for re-invoking layout_decl.

2003-04-11  Simon Law  <sfllaw@engmail.uwaterloo.ca>

        * doc/bugreport.texi: Fix paragraph breaking between sections
        in preparation for TeXinfo's paragraph indentation fixes.
        * doc/extend.texi: Ditto.
        * doc/invoke.texi: Ditto.
        * doc/objc.texi: Ditto.
        * doc/gcov.texi: Wrap 'gcov' in @command{}.
        * doc/invoke.texi (Darwin Options): Add a preamble.

2003-04-11  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (tls_model_chars): Remove.
        (ix86_encode_section_info, ix86_strip_name_encoding): Remove.
        (local_symbolic_operand): Use SYMBOL_REF_LOCAL_P.
        (tls_symbolic_operand): Use SYMBOL_REF_TLS_MODEL.
        (tls_symbolic_operand_1): Likewise.
        (legitimate_pic_address_disp_p): Use SYMBOL_REF_LOCAL_P.
        * config/i386/i386.h (TARGET_ENCODE_SECTION_INFO): Remove.
        (TARGET_STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Remove.
        * config/i386/winnt.c (i386_pe_encode_section_info): Replace
        bits "copied from i386.h" with default_encode_section_info.

2003-04-11  Richard Henderson  <rth@redhat.com>

        * rtl.def (SYMBOL_REF): Add two 0 fields.
        * gengtype.c (adjust_field_rtx_def): Handle them.
        * print-rtl.c (print_rtx): Print them.
        * rtl.h (SYMBOL_REF_DECL, SYMBOL_REF_FLAGS): New.
        (SYMBOL_FLAG_FUNCTION, SYMBOL_REF_FUNCTION_P): New.
        (SYMBOL_FLAG_LOCAL, SYMBOL_REF_LOCAL_P): New.
        (SYMBOL_FLAG_SMALL, SYMBOL_REF_SMALL_P): New.
        (SYMBOL_FLAG_TLS_SHIFT, SYMBOL_REF_TLS_MODEL): New.
        (SYMBOL_FLAG_EXTERNAL, SYMBOL_REF_EXTERNAL_P): New.
        (SYMBOL_FLAG_MACH_DEP): New.
        * optabs.c (init_one_libfunc): Zap fake SYMBOL_REF_DECL.
        * varasm.c (make_decl_rtl): Set SYMBOL_REF_DECL.
        (assemble_static_space): Set SYMBOL_REF_FLAGS.
        (assemble_trampoline_template): Likewise.
        (output_constant_def, force_const_mem): Likewise.
        (default_encode_section_info): New.
        * output.h: Declare it.
        * target-def.h (TARGET_ENCODE_SECTION_INFO): Use it.

2003-04-11  Richard Henderson  <rth@redhat.com>

        * libfuncs.h (LTI_setbits, LTI_gcov_flush, LTI_gcov_init): New.
        (setbits_libfunc, gcov_flush_libfunc, gcov_init_libfunc): New.
        * optabs.c (init_optabs): Initialize them.
        (init_libfuncs): Use init_one_libfunc.
        * calls.c (expand_call): Use gcov_flush_libfunc.
        * expr.c (store_constructor): Use setbits_libfunc.
        * function.c (expand_main_function): Use init_one_libfunc.
        * profile.c (create_profiler): Use gcov_init_libfunc and DECL_RTL.

2003-04-11  Mark Mitchell  <mark@codesourcery.com>

        * doc/c-tree.texi (Functions): Remove DECL_REAL_CONTEXT
        documentation; add DECL_FRIEND_CONTEXT.

2003-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * doc/install.texi (hppa): Update links for HP-UX patches.  Revise
        notes on linker selection and configuration for 64-bit HP-UX port.
        * doc/invoke.texi (hppa): Remove hppa text from description for
        -ffunction-sections and -fdata-sections.  Document -static, -nolibdld
        and -threads options.

        * pa-hpux10.h (LIB_SPEC): Add link options to resolve dependency of
        libc.a on libdld.sl when -static is specified and -nolibdld is not
        specified.
        * pa64-hpux.h (LIB_SPEC): Likewise.
        * pa-hpux11.h (LIB_SPEC): Likewise.
        (LINK_SPEC): Add __gcc_plt_call as an undefined symbol when -shared
        is not specified.

2003-04-11  Zack Weinberg  <zack@codesourcery.com>

        * config/darwin-c.c (darwin_pragma_unused): Use lookup_name,
        not IDENTIFIER_LOCAL_VALUE.

2003-04-11  Richard Henderson  <rth@redhat.com>

        PR c/10201
        * expr.c (expand_expr): Move DECL_RTL frobbing ...
        * stor-layout.c (layout_decl): ... here.

2003-04-11  James A. Morrison <ja2morri@uwaterloo.ca>

        * doc/invoke.texi: Eliminate extra white-space caused by
        @gccoptlist{ on its own line.
        * doc/invoke.texi: Ensured there are two spaces between each option.
        * doc/invoke.texi: Re-wrapped option lines that were too wide.
        Added @gol to options that didn't have them.

2003-04-11  Nathan Sidwell  <nathan@codesourcery.com>

        * Makefile.in (loop-init.o): Do not depend on gcov-io.h,
        gcov-iov.h.

        Simplify interface to gcov reading and writing.
        * gcov-io.h (gcov_file, gcov_position, gcov_length, gcov_buffer,
        gcov_alloc, gcov_modified, gcov_errored): Move into ...
        (struct gcov_var gcov_var): ... this static structure.
        (gcov_write_unsigned, gcov_write_counter, gcov_write_string):
        Return void.
        (gcov_read_unsigned, gcov_read_couter, gcov_read_string): Return
        read object.
        (gcov_read_bytes, gcov_write_bytes): Set error flag on error.
        (gcov_reserve_length): Remove.
        (gcov_write_tag): New.
        (gcov_write_length): Adjust.
        (gcov_read_summary, gcov_write_summary): Adjust.
        (gcov_eof, gcov_ok): Rename to ...
        (gcov_is_eof, gcov_is_error): ... here. Return error code.
        (gcov_save_position, gcov_resync): Rename to ...
        (gcov_position, gcov_seek): ... here.
        (gcov_skip, gcov_skip_string): Remove.
        (gcov_error): Remove.
        (gcov_open, gcov_close): Adjust.
        * gcov.c (find_source): Take const char *, copy it on allocation.
        (read_graph_file): Adjust.
        (read_count_file): Adjust.
        * libgcov.c (gcov_exit): Adjust.
        * gcov-dump.c (tag_function, tag_blocks, tag_arcs, tag_lines,
        tag_arc_counts, tag_summary): Return void. Adjust.
        (struct tag_format): Adjust proc member.
        (dump_file): Adjust gcov calls.

2003-04-11  Alexandre Oliva  <aoliva@redhat.com>

        * Makefile.in (fixinc.sh): Pass BUILD_LIBERTY as LIBERTY to
        mkfixinc.sh.
        * fixinc/mkfixinc.sh (defs): Add LIBERTY.
        * configure.in (STMP_FIXINC, STMP_FIXPROTO): Don't disable on
        build != host sysrooted builds.
        * configure.in (SYSTEM_HEADER_DIR): Make sure it contains
        TARGET_SYSTEM_ROOT even on sysrooted natives.
        * configure: Rebuilt.

2003-04-10  Zack Weinberg  <zack@codesourcery.com>

        * c-decl.c (struct binding_level): Add shadowed_tags and
        function_body; remove this_block, tag_transparent, and
        subblocks_tag_transparent; update comments.
        (clear_binding_level, lookup_tag_reverse): Kill.
        (make_binding_level): Use ggc_alloc_cleared or memset.
        (lookup_tag): Remove struct binding_level* parameter.  All
        callers changed. Just look at IDENTIFIER_TAG_VALUE, and
        current_binding_level->tags if asked for thislevel_only or if
        we might have to diagnose "struct foo; union foo;"
        (pushlevel): Ignore argument.  Do not push another binding
        level on the transition from the parameters to the top level
        of the function body; just tweak the flags and proceed.
        (poplevel): Overhaul.  Clear IDENTIFIER_TAG_VALUEs; on exiting
        a function body, separate the parameter list from the
        top-level local variables.
        (set_block): Do nothing.
        (pushtag): Set IDENTIFIER_TAG_VALUE and add an entry to
        shadowed_tags if necessary.
        (warn_if_shadowing): Nuke the special case for local shadowing
        parameter.
        (pushdecl): Do not create a shadow entry if we are replacing
        an older decl in the same binding level.
        (pushdecl_function_level): Tweak for new way of indicating
        function scope.
        (shadow_tag_warned): Use TYPE_NAME, not lookup_tag_reverse.
        (start_function): Don't set subblocks_tag_transparent.
        (finish_function): Fix up the binding_level stack for totally
        empty functions.  Otherwise, don't call poplevel.

        * c-common.c (shadow_warning): MANDATORY argument is no longer
        necessary.  Always use plain warning.
        * c-common.h: Update to match.

        * cfglayout.c (scope_to_insns_initialize): Clear block when we
        hit the FUNCTION_DECL.
        * function.c: Do not create cyclic tree structure.

2003-04-10  Zack Weinberg  <zack@codesourcery.com>

        * c-tree.h (struct lang_identifier): Replace global_value,
        local_value members with symbol_value, tag_value.  Kill
        implicit_decl and limbo_value.
        (IDENTIFIER_GLOBAL_VALUE, IDENTIFIER_LOCAL_VALUE,
        IDENTIFIER_LIMBO_VALUE, IDENTIFIER_IMPLICIT_DECL,
        C_MISSING_PROTOTYPE_WARNED): Kill.
        (IDENTIFIER_SYMBOL_VALUE, IDENTIFIER_TAG_VALUE,
        C_DECL_IMPLICIT, C_DECL_ISNT_PROTOTYPE): New.
        (C_DECL_ANTICIPATED): Rename to C_DECL_INVISIBLE.
        (implicit_decl_warning, lookup_name_current_level,
        record_function_scope_shadow): Don't prototype.
        (pushdecl_function_level): Prototype.

        * c-decl.c (truly_local_externals): New variable.
        (struct binding_level): Adjust commentary.
        (get_function_binding_level, clear_limbo_values,
        record_function_scope_shadow): Kill.
        (lookup_name_current_level, implicit_decl_warning): Are now static.
        (any_external_decl, record_external_decl): New static functions.
        (clone_underlying type): Split out of pushdecl.
        (c_print_identifier): Update to match changes to struct
        lang_identifier.
        (poplevel): Delete #if 0 block.  Make externals invisible
        instead of clearing their IDENTIFIER_SYMBOL_VALUEs.  Don't
        call clear_limbo_values.  Refer to IDENTIFIER_SYMBOL_VALUE not
        IDENTIFIER_GLOBAL_VALUE or IDENTIFIER_LOCAL_VALUE.
        (duplicate-decls): For real parm decl after a forward decl,
        set TREE_ASM_WRITTEN here.  Allow void foo(...) followed by
        foo(...) { } with only a warning.  Say whether a previous
        declaration was implicit.
        (warn_if_shadowing): Now handles all shadowing, not just
        local-over-local.  Clarify comments.
        (pushdecl): Rewritten.  There is no longer a distinction
        between global and local symbol values; they're all
        IDENTIFIER_SYMBOL_VALUE.  Call record_external_decl on all
        DECL_EXTERNAL decls, and use any_external_decl to check
        against previous externals.  Kill #if 0 blocks.  Don't
        tolerate error_mark_node being NULL.
        (pushdecl_top_level): Handle only those cases which
        Objective C (the only user) needs.
        (pushdecl_function_level): New function.
        (implicitly_declare): Create ordinary decls with
        C_DECL_IMPLICIT set.  Recycle old decls, however they got
        created.
        (lookup_name): It's always IDENTIFIER_SYMBOL_VALUE. Return 0
        for C_DECL_INVISIBLE symbols.
        (lookup_name_current_level): Likewise.  Use chain_member.
        (c_make_fname_decl): Don't muck with DECL_CONTEXT.
        Use pushdecl_function_level.
        (builtin_function): Use C_DECL_INVISIBLE.
        (start_function): Don't muck with IDENTIFIER_IMPLICIT_DECL.
        Use C_DECL_ISNT_PROTOTYPE and C_DECL_IMPLICIT.
        (store_parm_decls): It's IDENTIFIER_SYMBOL_VALUE now.
        (identifier_global_value): Same.  Must scan
        global_binding_level in extremis.

        * c-typeck.c (undeclared_variable): New static function, split
        from build_external_ref.
        (build_external_ref): Use DECL_CONTEXT, not
        IDENTIFIER_LOCAL_VALUE, to decide whether a local hides
        an instance variable.  Restructure for clarity.
        * objc/objc-act.c: Use identifier_global_value, not
        IDENTIFIER_GLOBAL_VALUE.

2003-04-08  Jonathan Wakely  <redi@gcc.gnu.org>

        * doc/extend.texi (Template Instantiation): Refer to ISO standard,
        not Working Paper.
        * doc/invoke.texi (C++ Dialect Options): Same.

2003-04-10  Zack Weinberg  <zack@codesourcery.com>

        * tree.c (tree_operand_check_failed): New function.
        * tree.h (TREE_OPERAND_CHECK, TREE_OPERAND_CHECK_CODE,
        TREE_RTL_OPERAND_CHECK): New checking macros.
        (TREE_OPERAND, SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL,
        RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, WITH_CLEANUP_EXPR_RTL,
        CONSTRUCTOR_ELTS, LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
        EXIT_BLOCK_RETURN, LOOP_EXPR_BODY, EXPR_WFL_NODE,
        EXPR_WFL_FILENAME_NODE, EXPR_WFL_FILENAME, TARGET_EXPR_SLOT,
        TARGET_EXPR_INITIAL, TARGET_EXPR_CLEANUP): Use the new
        checking macros.

Thu Apr 10 23:52:30 CEST 2003  Jan Hubicka  <jh@suse.cz>

        PR inline-asm/8803
        * function.c (instantate_virtual_regs):  Verify that all ASM statements
        match after the virutal regs instantiation.

2003-04-10  Steve Ellcey  <sje@cup.hp.com>

        * ia64-protos.h (addp4_optimize_ok): New.
        * ia64.c (addp4_optimize_ok): New.
        * ia64.md (*ptr_extend_plus_1): Use addp4_optimize_ok.
        (*ptr_extend_plus_2): Ditto.

2003-04-10  Steve Ellcey  <sje@cup.hp.com>

        * expr.c (expand_assignment): Extend offset_rtx with convert_to_mode
        not with convert_memory_address.
        (store_constructor): Ditto, and same for copy_size_rtx.
        (expand_expr): Ditto.

2003-04-10  Douglas B Rupp  <rupp@gnat.com>

        * config/i386/i386.c (ix86_ms_bitfield_layout_p): Fix formatting.

2003-04-10  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/lib2funcs.S (__xtensa_sync_caches): Flush data cache
        even if it is configured to be write-through.

2003-04-10  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (larl_operand): Do not allow symbols
        marked with '@'.
        (s390_encode_section_info): Mark symbols with forced 1-byte
        alignment with '@'.
        (s390_strip_name_encoding): Strip '@'.
        (legitimize_pic_address): Handle symbols that are not valid
        LARL operands in 64-bit mode.

2003-04-10  Andrew Haley  <aph@redhat.com>

        * tree-inline.c (inlinable_function_p): Disable inlining for
        synchronized methods.

2003-04-09  Steven Bosscher  <steven@gcc.gnu.org>

        * c-common.h (lang_statement_code_p): Remove declaration.
        (statement_code_p): Ditto.
        (c_common_stmt_codes): Define; list of c-common statement codes.
        (statement_code_p): New extern declaration.
        (STATEMENT_CODE_P): Define.
        (INIT_STATEMENT_CODES): Define.
        * c-common.c (statement_code_p): Kill the function, declare
        as an array of bools instead.
        (lang_statement_code_p): Remove.
        (walk_stmt_tree): Use STATEMENT_CODE_P not statement_code_p.
        (c_safe_from_p): Ditto.
        * c-objc-common.c (c_objc_common_init): Use INIT_STATEMENT_CODES
        to initialize the statement_code_p array.
        * tree-inline.c (walk_tree): Use STATEMENT_CODE_P instead of
        statement_code_p.
        (copy_tree_r): Ditto.
        * cp/cp-tree.h (cp_stmt_codes): Define; list of C++ specific
        statement tree codes.
        * cp/lex.c (cxx_init): Add missing print line break.  Use
        INIT_STATEMENT_CODES to initialize the statement_code_p array.
        * cp/parser.c (cp_parser_statement): Use STATEMENT_CODE_P
        instead of statement_code_p.
        * cp/pt.c (tsubst_expr): Ditto.
        * cp/tree.c (verify_stmt_tree_r): Ditto.
        (cp_statement_code_p): Remove.
        (init_tree): Don't set lang_statement_code_p, it's gone.

2003-04-09  Dan Nicolaescu  <dann@ics.uci.edu>
            Zack Weinberg  <zack@codesourcery.com>

        * regrename.c (struct du_chain): Use a bitfield for reg_class.
        * cse.c (struct qty_table_elem, struct table_elt, struct set):
        Use bitfields for fields holding enum rtx_code or
        enum machine_mode values.  Add comments explaining size choices.

2003-04-09  Alexandre Oliva  <aoliva@redhat.com>

        * config/fp-bit.c (unpack_d): Handle pair of doubles with
        different signs correctly.

2003-04-09  Vladimir Makarov  <vmakarov@redhat.com>

        * sched-deps.c (reg_pending_barrier_mode): New enumeration.
        (reg_pending_barrier): Make it of the enumeration type.
        (sched_analyze_2): Define the barrier as MOVE_BARRIER or
        TRUE_BARRIER.
        (sched_analyze): Ditto.
        (sched_analyze_insn): Ditto.  Use anti-dependencies for
        MOVE_BARRIER and true-dependencies as TRUE_BARRIER.
        (init_deps_global): Initialize the barrier as NO_BARRIER.

2003-04-09  Vladimir Makarov  <vmakarov@redhat.com>

        * config/ia64/ia64.c (issue_nops_and_insn): Add new parameter.
        Check that asm insn starts on a new cycle.  Add nops after asm
        insn to end bundle.
        (bundling): Move insn type evaluation from the loop.  Call
        issue_nops_and_insn with the new parameter.  Ignore changing
        position for nops after asm insn.

2003-04-09  Alexandre Oliva  <aoliva@redhat.com>

        * optabs.c: Comment that gen_add2_insn and others may actually
        return emitted insns, if the gen functions turn out to return
        emitted insns.
        * reload1.c (reload_cse_move2add): Cope with emitted insns from
        gen_add2_insn.

2003-04-09  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (move_operand): Allow symbolic_operand,
        but not tls_symbolic_operand.
        (ia64_expand_load_address): Remove scratch operand.
        (ia64_expand_tls_address): Split out from ia64_expand_move.
        (ia64_expand_move): Split symbolics only after reload.
        (ia64_emit_cond_move): New.
        * config/ia64/ia64-protos.h: Update.
        * config/ia64/ia64.md (movsi_symbolic, movdi_symbolic): Remove.
        (symbolic splitter): Accept SImode operands too.
        (cmove splitter): Use ia64_emit_cond_move.

2003-04-09  Nick Clifton  <nickc@redhat.com>

        * doc/install.texi: Note that ARM toolchains need binutils 2.13 or
        newer.
        * config/arm/elf.h (SUBTARGET_ASM_FLOAT_SPEC): Pass -mfpu=softfpa
        instead of -mno-fpu.
        * config/arm/semi.h (ASM_SPEC): Likewise.
        * config/arm/xscale-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Likewise,
        but only if -msoft-float is specified pass.  Otherwise pass
        -mfpu=softvfp.

2003-04-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * function.c (purge_addressof): Use free_INSN_LIST_node instead of
        free_EXPR_LIST_node.

2003-04-08  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold):  Use "fold" following build in more places.
        Optimize sqrt(x)*sqrt(x) as x, pow(x,y)*pow(z,y) as pow(x*z,y),
        pow(x,y)*pow(x,z) as pow(x,y+z) and x/pow(y,z) as x*pow(y,-z).

2003-04-08  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (fold_builtin):  Constant fold expressions as x*0.5
        instead of x/2.0.  Optimize sqrt(pow(x,y)) as pow(x,y*0.5),
        log(pow(x,y)) as y*log(x), pow(exp(x),y) as exp(x*y),
        pow(sqrt(x),y) as pow(x,y*0.5) and pow(pow(x,y),z) as pow(x,y*z).
        Delete function scope "fcode" variable to avoid shadowing.

2003-04-08  Kevin Buettner  <kevinb@redhat.com>

        * dwarf2out.c (DWARF_ARANGES_HEADER_SIZE, DWARF_ARANGES_PAD_SIZE):
        Take into account DWARF_INITIAL_LENGTH_SIZE.

2003-04-08  Hans-Peter Nilsson  <hp@axis.com>

        * reorg.c (fill_slots_from_thread): When considering changing the
        insn following a reg-to-reg copy insn to use the source reg of the
        copy, bail out if there's overlap between the registers.

2003-04-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * function.c (postponed_insns): New.
        (purge_addressof_1): Postpone processing of insns if addressofs
        are not put into stack.
        (purge_addressof): Process postponed insns.

2003-04-08  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.h (NORMAL_MODE): If interrupt handler and TARGET_FMOVD,
        this is FP_MODE_DOUBLE .
        * sh.c (ra.h): #include.
        (push_regs): Add second parameter.  Changed all callers.
        If necessary, set fpscr before saving floating point registers.
        (calc_live_regs): If interrupt handler and TARGET_FMOVD, always
        do saves / restores with SZ == 1.
        (sh_expand_prologue): If interrupt handler, don't use gen_toggle_sz.
        (sh_expand_epilogue): Likewise.  For TARGET_FMOVD, if floating point
        registers are being restored, restore FPSCR only after restoring them.

2003-04-08  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_init_builtins): Set opaque types
        regardless of architecture.
        (spe_init_builtins): Change V2SI and V2SF types to opaque types.

2003-04-08  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.c (push_regs, calc_live_regs): Return int.  Take single
        HARD_REG_SET * parameter.  Changed all callers.

Tue Apr  8 11:12:07 CEST 2003  Jan Hubicka  <jh@suse.cz>

        * i386.c (legitimate_pic_address_disp_p): Do not accept PLUS in the
        GOTOFF operand.
        (legitimize_pic_address): Move plus outside the unspec.
        * i386.c (legitimate_constant_p):  Check (CONST (PLUS (UNSPEC ...
        for validity.

2003-04-08  Nathan Sidwell  <nathan@codesourcery.com>

        * gcov-io.h (gcov_save_position): Remove __inline__ from
        declaration.

2003-04-07  Matt Kraai  <kraai@alumni.cmu.edu>

        * doc/install.texi: Use @command and @samp for single- and
        multi-word commands respectively.
        * doc/makefile.texi: Likewise.
        * doc/sourcebuild.texi: Likewise.

2003-04-07  Christian Ehrhardt  <ehrhardt@mathematik.uni-ulm.de>
            Richard Henderson  <rth@redhat.com>

        PR c/9516
        * expr.c (safe_from_p): Rearrange to avoid deep recursion in
        favour of looping and tail recursion for TREE_LIST and binops.

2003-04-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * loop.h (REGNO_FIRST_LUID, REGNO_LAST_LUID): Provide defaults
        for insns without luid.

2003-04-07  Glen Nakamura  <glen@imodulo.com>

        PR opt/8634
        * explow.c (maybe_set_unchanging): Don't flag non-static const
        aggregate type initializers with RTX_UNCHANGING_P.

2003-04-07  Richard Henderson  <rth@redhat.com>

        PR opt/8634
        * function.c (purge_addressof_1): Don't try arithmetics for
        unchanging memories.

2003-04-07  Janis Johnson  <janis187@us.ibm.com>

        * doc/sourcebuild.texi (Test Suites): Document testing support for
        gcov and profile-directed optimizations; describe gcc.misc-tests.

Mon Apr  7 22:19:59 CEST 2003  Jan Hubicka  <jh@suse.cz>

        PR target/10077
        * i386.md (movsi_1, movsi_nointerunit_1):  Fix SSEMOV alternative.

2003-04-07  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/rtl.texi (Comparison operations): Update to
        record the allowed comparison modes.

2003-04-07  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_common_init_builtins): Rename all
        V2SI_type_node to opaque_V2SI_type_node.  Rename all
        V2SF_type_node to opaque_V2SF_type_node.
        (rs6000_init_builtins): Define opaque_V2SI_type_node and
        opaque_V2SF_type_node.
        (is_ev64_opaque_type): The types opaque_V2SI_type_node and
        opaque_V2SF_type_node are opaque types.

2003-04-07  J"orn Rennecke <joern.rennecke@superh.com>

        * gcse.c (replace_store_insn): Use single_set.

2003-04-07  Nathan Sidwell  <nathan@codesourcery.com>

        Change gcov file interface to single file at a time.
        * gcov-io.h: Replace IN_LIBGCC1 with IN_LIBGCOV. Use IN_GCOV.
        Convert to C89 prototypes.
        (gcov_file, gcov_length, gcov_position, gcov_buffer, gcov_alloc,
        gcov_error, gcov_modified): New static variables.
        (gcov_open, gcov_close, gcov_read_bytes, gcov_write_bytes): New
        functions.
        (gcov_write_unsigned, gcov_write_counter, gcov_write_string,
        gcov_read_unsigned, gcov_read_counter, gcov_read_string): Adjust.
        (gcov_read_summary, gcov_write_summary): Adjust.
        (gcov_save_position, gcov_reserve_length, gcov_write_length):
        Adjust.
        (gcov_resync, gcov_skip, gcov_skip_string): Adjust.
        (da_file_open, da_file_close, da_file_eof, da_file_error): Remove.
        (da_file_position, da_file_seek, da_file_write, da_file_read):
        Remove.
        (gcov_error, gcov_eof, gcov_ok, gcov_time): New functions.
        * gcov.c (gcov_type): Don't typedef here.
        (IN_GCOV): #define
        (read_graph_file, read_count_file): Adjust.
        * gcov-dump.c (gcov_type): Don't typedef here.
        (IN_GCOV): #define.
        (tag_function, tag_blocks, tag_arcs, tag_lines, tag_arc_counts):
        Remove FILE parameter, adjust.
        (struct tag_format): Adjust proc member.
        (dump_file): Adjust.
        * libgcov.c (IN_LIBGCOV): #define.
        (gcov_exit): Adjust.
        * loop-init.c: Don't #include gcov-io.h
        * profile.c (struct counts_entry): New structure to hold counter
        values.
        (struct section_reference, struct da_index_entry): Remove.
        (bbg_file, da_file): Remove.
        (htab_counts_index_hash, htab_counts_index_eq,
        htab_counts_index_del): Replace with ...
        (htab_counts_entry_hash, htab_counts_entry_eq,
        htab_counts_entry_del): ... these.
        (cleanup_counts_index, index_counts_file): Remove.
        (read_counts_file): New function.
        (get_exec_counts): Adjust.
        (compute_branch_probabilities): Don't free the exec counts here.
        (branch_prob): Adjust.
        (init_branch_prob): Adjust.
        (end_branch_prob): Adjust.

2003-04-07  Aldy Hernandez  <aldyh@redhat.com>

        * doc/invoke.texi (RS/6000 and PowerPC Options): Document
        -mfloat-gprs.

        * config/rs6000/rs6000.c: Delete rs6000_fprs.
        Declare rs6000_float_gprs.
        Declare rs6000_float_gprs_string.
        (rs6000_parse_float_gprs_option): New.
        (rs6000_override_options): Genericize rs6000_parse_* calls to use
        rs6000_parse_yes_no_option.
        Change check for cpu=8540, to use TARGET_E500.
        (rs6000_parse_isel_option): Delete.
        (rs6000_parse_spe_option): Delete.
        (rs6000_parse_vrsave_option): Delete.

        * config/rs6000/rs6000.h: Rename rs6000_fprs to rs6000_float_gprs.
        Define rs6000_float_gprs_string.
        (TARGET_OPTIONS): Add rs6000_float_gprs option.

        * config/rs6000/eabi.h (TARGET_FPRS): Change to use rs6000_float_gprs.

        * config/rs6000/eabispe.h: Set rs6000_float_gprs.

Mon Apr  7 14:36:24 CEST 2003  Jan Hubicka  <jh@suse.cz>

        PR opt/10024
        * cfglayout.c (cfg_layout_redirect_edge):
        Redirect any branch edges unified with the fallthru one.
        * cfgrtl.c (force_nonfallthru_and_redirect):  Do not special
        case fallthru edges when called via cfglayout.c

2003-04-07  J"orn Rennecke <joern.rennecke@superh.com>

        * c-typeck.c (output_init_element): Check for type == error_mark_node.

2003-04-07  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*zero_extendqisi2_h8300hs): Always
        split.
        (a splitter): Do zero-extension via HImode.

2003-04-07  James A. Morrison <ja2morri@uwaterloo.ca>

        * doc/invoke.texi: Eliminate extra white-space caused by
        @gccoptlist{ on its own line.
        * doc/invoke.texi: Ensured there are two spaces between each option.
        * doc/invoke.texi: Re-wrapped option lines that were too wide.
        Added @gol to options that didn't have them.

2003-04-07  James A Morrison <ja2morri@student.math.uwaterloo.ca>

        * doc/extend.texi (Darwin Pragmas): Fix spelling of Mac OS.

2003-04-06  Zack Weinberg  <zack@codesourcery.com>

        * tree.c (tree_size): For all 'c' and 'x' nodes, look directly
        at the sizes of the relevant structures, rather than relying
        on TREE_CODE_LENGTH.  Call lang_hooks.tree_size to get the
        sizes of any such we don't know about.  Use
        lang_hooks.identifier_size for IDENTIFIER_NODE.

        (initializer_zerop): Use CONSTRUCTOR_ELTS.
        * tree.def: Update commentary.  Make fourth element of
        the definition for all 'c' and 'x' nodes zero.

        * langhooks.h: New hook, tree_size / LANG_HOOKS_TREE_SIZE.
        * langhooks-def.h: Update to match.
        * langhooks.c: New default, lhd_tree_size.

        * c-common.def (SRCLOC): Kill.
        * c-pretty-print.c (pp_c_postfix_expression [case SRCLOC]):
        Remove entirely - was already #if-ed out.


2003-04-06  Zack Weinberg  <zack@codesourcery.com>

        * mklibgcc.in: Use a here document to avoid running afoul of
        shells that generate control-A from "echo \1".

2003-04-06  Aldy Hernandez  <aldyh@redhat.com>

        * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mspe
        option.

        * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
        rs6000_spe.

        * config/rs6000/eabi.h (TARGET_E500): Define.

        * config/rs6000/rs6000.h (TARGET_E500): Define.
        (TARGET_OPTIONS): Add spe= option.
        Declare rs6000_spe and rs6000_spe_string extern.

        * config/rs6000/rs6000.c (branch_positive_comparison_operator):
        Change TARGET_SPE to TARGET_E500.
        (ccr_bit): Change TARGET_SPE to TARGET_E500.  Check for
        !TARGET_FPRS.
        (print_operand): Same.
        (rs6000_generate_compare): Same.
        (output_cbranch): Same.
        (rs6000_spe): Declare.
        (rs6000_spe_string): Declare.
        (rs6000_override_options): Call rs6000_parse_spe_option.
        (rs6000_parse_spe_option): New.

2003-04-06  Steven Bosscher  <steven@gcc.gnu.org>

        * hashtable.c (gcc_obstack_init): Delete this function
        and everything related to it.
        * hashtable.h: Remove prototype.
        * bitmap.c (bitmap_element_allocate): Cleanup redundant
        defines.  Cleanup some unnecessary whitespace.
        * defaults.h (obstack_chunk_alloc): Redefine with
        appropriate casts for libiberty obstacks.
        (obstack_chunk_free): Ditto.
        (OBSTACK_CHUNK_SIZE): Define, default to 0.
        (gcc_obstack_init): Define as a call to _obstack_begin.
        * tree.c (print_obstack_statistics): Delete this unused
        function.
        * tree.h (obstack): Don't forward-declare.
        (print_obstack_statistics): Delete prototype.
        (print_obstack_name): Ditto.
        (gcc_obstack_init): Ditto.
        * rtl.h (gcc_obstack_init): Ditto.
        * java/jv-scan.c (gcc_obstack_init): Delete this
        function, its prototype and related defines.
        * java/jvgenmain.c (gcc_obstack_init): Delete this
        function, and related defines.
        * java/parse-scan.y (obstack_chunk_alloc): Don't define.
        (obstack_chunk_free): Ditto

2003-04-06  Geoffrey Keating  <geoffk@apple.com>

        * dbxout.c (dbxout_handle_pch): Move prototype out from
        #if defined DBX_DEBUGGING_INFO.

2003-04-05  Nathan Sidwell  <nathan@codesourcery.com>

        * gcov.c (struct arc_info): Replace local_span with cycle.
        (struct block_info): Replace u.span with u.cycle. Add is_call_return.
        (solve_flow_graph): Set is_call_return.
        (add_line_counts): Adjust. In block mode, blocks attach to last line.
        (accumulate_line_counts): Find graph cycles, not spanning tree.
        (output_branch_count): Adjust.
        (output_lines): Adjust.
        * doc/gcov.texi: Update.

2003-04-06  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*zero_extendqisi2_h8300hs): Change
        the second alternative to "#".

2003-04-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (single_one_operand): Use GET_MODE_MASK.
        (single_zero_operand): Likewise.

2003-04-05  Daniel Berlin  <dberlin@dberlin.org>

        * Makefile.in (df.o):  Depend on alloc-pool.h, not obstack.h.
        * df.c: Include alloc-pool.h, not obstack.h.
        (df_ref_obstack): Remove.
        (df_ref_pool, df_link_pool): Add pools.
        (df_alloc): Init the new pools.
        (df_free): And free them.
        (df_link_create): Use the pools.
        (df_ref_create): Ditto.

2003-04-05  Kazu Hirata  <kazu@cs.umass.edu>

        * simplify-rtx.c: Fix formatting.

2003-04-05  Andrew Pinski  <apinski@apple.com>

        * config/rs6000/rs6000.c (addrs_ok_for_quad_peep): Allow addr2
        reg with reg1 == reg2 and offset1 = -8.

2003-04-05  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_rtx_costs): Halve Power4
        multiply costs.  Correct Power4 divide costs.
        * config/rs6000/power4.md: Restore multiply and FP latency.

2003-04-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * alias.c (find_base_term): Export.
        * rtl.h (find_base_term): Declare.
        * gcse.c (find_moveable_store): Test for flag_non_call_exceptions
        instead of flag_exceptions.  Move test for parameter passing ...
        (store_killed_in_insn): ... here.

2003-04-05  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        PR bootstrap/10267
        * doc/install.texi (*-*-solaris2): /bin/ksh is not just recommended
        for configuring.

2003-04-04  Geoffrey Keating  <geoffk@apple.com>

        * dbxout.c (scope_labelno): Add GTY.
        (have_used_extensions): Add GTY.
        (source_label_number): Add GTY.
        (lastfile): Add GTY.
        (lastfile_is_base): New.
        (base_input_file): New.
        (dbxout_handle_pch): New.
        (dbx_debug_hooks): Add handle_pch.
        (xcoff_debug_hooks): Likewise.
        (dbxout_function_end): Remove scope_labelno.
        (dbxout_init): Set base_input_file.
        (dbxout_handle_pch): New.
        (dbxout_source_file): Honour lastfile_is_base.
        * dwarfout.c (dwarf_debug_hooks): Add dummy handle_pch.
        * sdbout.c (sdb_debug_hooks): Add dummy handle_pch.
        * vmsdbgout.c (vmsdbg_debug_hooks): Add dummy handle_pch.
        * dwarf2out.c (dwarf2_debug_hooks): Add dummy handle_pch.
        * debug.c (do_nothing_debug_hooks): Add dummy handle_pch.
        * debug.h (struct gcc_debug_hooks): Add handle_pch.
        * c-pch.c (pch_init): Don't call start_source_file, but do call
        handle_pch.
        (c_common_write_pch): Call handle_pch.
        (c_common_read_pch): Don't call start_source_file,
        or end_source_file.

Fri Apr  4 17:43:52 2003  Olivier Hainque <hainque@act-europe.fr>

        * emit-rtl.c (get_mem_attrs): Adjust alignment tests determining
        use of default attributes to agree MEM_ALIGN macro.

Fri Apr  4 17:33:24 2003  Joel Brobecker  <brobecker@gnat.com>

        * dbxout.c (dbxout_type): When printing type index of range type
        whose bounds are printed in octal format, print type of parent type if
        it exists so enumerated type descriptions are not transformed
        into unsigned types.

2003-04-04  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Add a prototype for
        compute_a_shift_cc.
        * config/h8300/h8300.c (shift_one): Update the CC status.
        (shift_two): Likewise.
        (output_a_shift_cc): Set cc_inline and cc_special.
        (compute_a_shift_cc): New.
        * config/h8300/h8300.md (shift insns): Use compute_a_shift_cc.

2003-04-04  Richard Henderson  <rth@redhat.com>

        * cse.c (fold_rtx): Fix 03-30 change; do check insn non-null.

2003-04-04  Loren James Rittle  <ljrittle@acm.org>

        * fixinc/inclhack.def (bsd_stdio_attrs_conflict): New.
        * fixinc/fixincl.x: Rebuilt.
        * fixinc/tests/base/stdio.h: Regenerated.

2003-04-04  Nathan Sidwell  <nathan@codesourcery.com>

        * gcov.c (accumulate_line_counts): Fix span tree merge bug.

Fri Apr  4 15:58:52 2003  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.h (ACTUAL_NORMAL_MODE): New macro, broken out of
        (NORMAL_MODE).
        * sh.c (fpscr_set_from_mem): Use ACTUAL_NORMAL_MODE.

2003-04-04  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/contrib.texi (Contributors): Add entries for Wolfgang
        Bangerth, DJ Delorie, Christian Ehrhardt, Christopher Faylor,
        Nathanael Nerode, Diego Novillo, Hartmut Penner, Volker Reichelt,
        Danny Smith, and Ulrich Weigand.
        Update Kriang Lerdsuwanakij and fix a typo in Janis Johnson's
        entry.

2003-04-04  Nick Clifton  <nickc@redhat.com>

        * config/sparc/sol2-bi.h: Revert previous delta.
        * config/sparc/sol2-gas-bi.h (AS_SPARC64_FLAG): Prepend -TSO

2003-04-04  Nick Clifton  <nickc@redhat.com>

        * config/v850/v850.c (expand_prologue): Only use register save
        helper functions if long calls are not being used.
        Add a clobber of r11 id using long calls.
        (pattern_is_ok_for_prologue): Account for the extra clobber.
        (construct_save_jarl): Likewise.
        * config/v850/v850.md (prolog pattern): Do not use this pattern
        for v850e's.

2003-04-04  Andreas Schwab  <schwab@suse.de>

        * stor-layout.c (layout_decl): Avoid syntax error in last change
        when PCC_BITFIELD_TYPE_MATTERS is defined but not
        EMPTY_FIELD_BOUNDARY.

2003-04-03  Jason Merrill  <jason@redhat.com>

        PR c/10175
        * jump.c (never_reached_warning): Revert patch of 2002-11-02.
        Look backwards for a line note.

2003-04-03  Neil Booth  <neil@daikokuya.co.uk>

        * fix-header.c (read_scan_file): Defer switch processing.

2003-04-03  Matt Austern  <austern@apple.com>

        * cpppch.c (reset_ht): Remove.
        (cpp_read_state): Remove loop to reset hashtable identifiers.
        * ggc-common.c (gt_pch_save): Add call to gt_pch_fixup_stringpool
        after pch file is written.
        * ggc.h (gt_pch_fixup_stringpool): Declare.
        * stringpool.c (ht_copy_and_clear): Define.  Callback.  Copy
        hashnode's value to another hashtable, then clear the original.
        (saved_ident_hash): Define.
        (gt_pch_save_stringpool): Create saved_ident_hash, use it to
        store definitions in ident_hash, and clear ident_hash.
        (gt_pch_fixup_stringpool): Define.  Restore definitions from
        saved_ident_hash to ident_hash, then destroy saved_ident_hash.

Thu Apr  3 22:27:40 CEST 2003  Jan Hubicka  <jh@suse.cz>

        * cfgrtl.c (update_bb_for_insn): Do not set block for barriers.

2003-04-03  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR optimization/10157
        * gcse.c (can_copy_p): Rename it to can_copy.
        (can_copy_init_p): Remove.
        (compute_can_copy): Use can_copy instead of can_copy_p.
        (can_copy_p): New exported function. Call compute_can_copy.
        (hash_scan_set): Use it.
        (gcse_main): Don't call compute_can_copy.
        (bypass_jumps): Don't call compute_can_copy.
        * rtl.h (can_copy_p): Declare.
        * loop.c (scan_loop): Don't move the source and add a reg-to-reg
        copy if the mode doesn't support copy operations.

2003-04-03  Jason Merrill  <jason@redhat.com>

        * Makefile.in (unstrap): Also remove stage_last.

        * dwarf2out.c (lookup_filename): Don't check for "<internal>".
        (dwarf2out_source_line): Don't do anything if line==0.

        * stor-layout.c (do_type_align): New fn, split out from...
        (layout_decl): ...here.  Do all alignment calculations for
        FIELD_DECLs here.
        (update_alignment_for_field): Not here.
        (start_record_layout, debug_rli): Remove unpadded_align.
        * tree.h (struct record_layout_info_s): Remove unpadded_align.
        * c-decl.c (finish_enum): Don't set DECL_SIZE, DECL_ALIGN
        or DECL_MODE on the CONST_DECLs.
        (finish_struct): Don't mess with DECL_ALIGN.

Thu Apr  3 18:57:19 CEST 2003  Jan Hubicka  <jh@suse.cz>

        * i386.c (print_operand): Do not bypass output_addr_const at flag_pic.

Thu Apr  3 17:08:09 2003  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.c (sh_function_ok_for_sibcall): Return 0 if the current
        function is an interrupt handler.

        * sh.c (sh_expand_epilogue): Avoid clash of temp register for
        restoring target registers with EH_RETURN_STACKADJ_RTX; use
        multiple registers in round-robin fashion.

2003-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * gengtype-lex.l (IWORD): Add CHAR_BITFIELD.
        * system.h (CHAR_BITFIELD): New.

2003-04-03  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): Generalize to accept GT
        and LE.
        (another peephole2): Likewise.

2003-04-03  Nick Clifton  <nickc@redhat.com>

        * config/sparc/sol2-bi.h (ASM_CPU64_DEFAULT_SPEC): Add -TSO.
        (DEF_ARCH64_SPEC): Likewise.

Thu Apr  3 09:53:40 CEST 2003  Jan Hubicka  <jh@suse.cz>

        * i386.c (constant_address_p): Use legitimate_constant_p.
        (legitimate_address_p): Do not use CONSTANT_ADDRESS_P.

2003-04-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Add a prototype for
        gtle_operator.
        * config/h8300/h8300.c (gtle_operator): New.
        * config/h8300/h8300.h (PREDICATE_CODES): Add an entry for
        gtle_operator.
        * config/h8300/h8300.md (a peephole2): Generalize to accept GT
        and LE.

2003-04-02  Richard Henderson  <rth@redhat.com>

        * libgcc-std.ver (_Unwind_GetCFA): New.
        * unwind-dw2.c (_Unwind_GetCFA): New.
        * unwind-libunwind.c (_Unwind_GetCFA): New.
        * unwind-sjlj.c (_Unwind_GetCFA): New.
        * unwind.h: Declare it.

Thu Apr  3 00:31:21 CEST 2003  Jan Hubicka  <jh@suse.cz>

        PR inline-asm/8088
        * i386.c (ix86_hard_regno_mode_ok):  Return 0 for MMX/SSE registers
        when MMX/SSE is not available.

2003-04-02  Mike Stump  <mrs@apple.com>

        * doc/install.texi (Specific): Update pointers to apple.com.

Thu Apr  3 00:18:49 CEST 2003  Jan Hubicka  <jh@suse.cz>

        * i386.c (override_options):  Disable red zone by default on i386.
        (compute_frame_layout, ix86_force_to_memory, ix86_free_from_memory):
        Do not test TARGET_64BIT together with TARGET_RED_ZONE

2003-04-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): Tighten the condition.

2003-04-02  Richard Henderson  <rth@redhat.com>

        * longlong.h (umul_ppmm) [alpha]: Use __builtin_alpha_umulh.

2003-04-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): New.

2003-04-02  Richard Henderson  <rth@redhat.com>

        * except.c (sjlj_find_directly_reachable_regions): Recognize when
        must-not-throw region has been deleted.

2003-04-02  Richard Henderson  <rth@redhat.com>

        * dwarf2out.c (output_call_frame_info): Ignore fde->nothrow as an
        optimization when flag_exceptions not enabled.

2003-04-02  Vladimir Makarov  <vmakarov@redhat.com>

        * config/rs6000/rs6000.c
        (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Redefine the
        macros.
        (rs6000_issue_rate): Add case for 8540.
        (rs6000_use_sched_lookahead): New function.

        * config/rs6000/8540.md: Rename SIU units into SU ones and MIU
        units into MU ones.
        (ppc8540_branch, ppc8540_cr_logical): Add one cycle in the
        reservation before retirement.
        (ppc8540_multiply, ppc8540_load, ppc8540_store,
        ppc8540_simple_float, ppc8540_vector_load, ppc8540_vector_store):
        Remove additional cycle in the reservation before retirement.
        (ppc8540_mfcr, ppc8540_mtcrf, ppc8540_mtjmpr): Add missed
        reservation of ppc8540_issue.

2003-04-02  Andreas Schwab  <schwab@suse.de>

        * real.c (decode_ieee_single): Fix decoding of SNaN bit.

2003-04-01  Richard Henderson  <rth@redhat.com>

        * except.c (convert_from_eh_region_ranges_1): Smash REG_EH_REGION
        notes for nothrow calls if flag_forced_unwind_exceptions.
        (build_post_landing_pads): Mind flag_forced_unwind_exceptions.
        (sjlj_find_directly_reachable_regions): Likewise.
        (reachable_handlers): Likewise.
        (can_throw_external): Likewise.
        (collect_one_action_chain): Record cleanups after catch-all and
        must-not-throw if flag_forced_unwind_exceptions.
        * flags.h (flag_forced_unwind_exceptions): Declare.
        * toplev.c (flag_forced_unwind_exceptions): New.
        (lang_independent_options): Add it.
        * doc/invoke.text: Add it.

2003-04-01  David Mosberger <davidm@hpl.hp.com>

        * config/ia64/crti.asm: Clean up trailing whitespace.
        Remove trailing hashes (#) from identifiers.

        * config/ia64/crtn.asm: Ditto.

        * config/ia64/crtend.asm: Remove trailing hashes (#) from
        identifiers.
        (__do_global_ctors_aux): Align to 32-byte boundary.  Add unwind
        directives.  Drop explicit bundling---it just makes the code
        harder to read.  Don't save/restore gp needlessly.

        * config/ia64/crtbegin.asm: Remove trailing hashes (#) from
        identifiers (they're only needed if the identifier would clash
        with a register name otherwise).
        (__do_global_dtors_aux): Align to 32-byte boundary. Add unwind
        directives.  Drop explicit bundling---it just makes the code
        harder to read.
        (__do_jv_register_classes): Ditto.
        (.fini_array): Remove "progbits" (newer
        assemblers don't like wrong section-types).
        (.init_array): Ditto.

2003-04-01  Roger Sayle  <roger@eyesopen.com>

        PR fortran/9974
        * gcse.c (reg_killed_on_edge): New function to test whether the
        given reg is overwritten by any instruction queued on an edge.
        (bypass_block): Ignore substitutions killed on incoming edges.
        Don't bypass outgoing edges that have queued instructions.

2003-04-01  Alexandre Oliva  <aoliva@redhat.com>

        * real.h (EXP_BITS): Make room for...
        (struct real_value): ... added canonical bit.
        (struct real_format): Added pnan.
        (mips_single_format, mips_double_format, mips_extended_format,
        mips_quad_format): New.
        * real.c: Copy p to pnan in all formats.
        (get_canonical_qnan, get_canonical_snan): Set canonical bit.
        (real_nan): Use pnan to compute significand's shift.
        (real_identical): Disregard significand in canonical
        NaNs.
        (real_hash): Likewise.  Take signalling into account.
        (encode_ieee_single, encode_ieee_double, encode_ieee_quad):
        Disregard significand bits in canonical NaNs.  Set all bits of
        canonical NaN if !qnan_msb_set.
        (encode_ibm_extended, decode_ibm_extended): Likewise.  Use
        qnan_msb_set to tell the base double format.
        (ibm_extended_format): Use 53 as pnan.
        (mips_single_format, mips_double_format, mips_extended_format,
        mips_quad_format): Copied from the corresponding ieee/ibm
        formats, with qnan_msb_set false.
        * config/mips/iris6.h (MIPS_TFMODE_FORMAT): Use mips_extended_format.
        * config/mips/linux64.h (MIPS_TFMODE_FORMAT): Use mips_quad_format.
        * config/mips/mips.c (override_options): Use mips_single_format
        and mips_double_format.  Default TFmode to mips_quad_format.
        * config/mips/t-linux64 (tp-bit.c): Define QUIET_NAN_NEGATED.
        * config/mips/t-irix6: Likewise.
        * config/mips/t-mips (fp-bit.c, dp-bit.c): Likewise.
        * config/fp-bit.c (pack_d, unpack_d): Obey it.

2003-04-01  Geoffrey Keating  <geoffk@apple.com>

        * unwind-dw2-fde-darwin.c (DESTRUCTOR_MAY_BE_CALLED_LIVE): New.
        (live_image_destructor): Reset image to initial state.
        (examine_objects): Set DESTRUCTOR_MAY_BE_CALLED_LIVE.

2003-04-01  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (input_operand): Accept bare
        CONSTANT_P_RTX operands.

2003-04-01  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * gcse.c (struct ls_expr): Added pattern_regs field.
        (ldst_entry): Initialize it.
        (extract_mentioned_regs, extract_mentioned_regs_helper): New.
        (store_ops_ok): Use regs precomputed by them.
        (find_loads, store_killed_in_insn, load_kills_store): Change return
        type to bool.
        (store_killed_before, store_killed_after): Take position of register
        set in account.
        (reg_set_info): Store position of the setter.
        (gcse_main): Enable store motion.
        (mems_conflict_for_gcse_p): Enable load motion of non-symbol mems.
        (pre_insert_copy_insn, update_ld_motion_stores, insert_store): Prevent rtl
        sharing.
        (simple_mem): Enable store motion of non-symbol mems.
        (regvec): Type changed.
        (LAST_AVAIL_CHECK_FAILURE): New.
        (compute_store_table_current_insn): New.
        (build_store_vectors): Computation of availability and anticipatability
        moved ...
        (compute_store_table, find_moveable_store): ... here.
        (delete_store): Remove senseless comment.
        (store_motion): Reorganize.

2003-04-01  Kevin Buettner  <kevinb@redhat.com>

        * config/mips/mips.c (override_options): Provide mappings for
        HI_REGNUM and LO_REGNUM.
        * config/mips/mips.h (MD_DBX_FIRST): Define.

2003-04-01  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * combine.c (merge_outer_ops): Fix typo.

        * varasm.c (make_decl_one_only): Revert 2003-03-09 patch.

2003-04-01  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/{40x.md,603.md,6xx.md,7450.md,7xx.md,mpc.md,
        power4.md,rios1.md,rios2.md,rs64.md}: Change mult_compare to
        imul_compare.  Add lmul_compare.
        * config/rs6000/power4.md: Bump some latencies.  Model extra cycle
        in second pair of dispatch slots.  Model stores more accurately.
        Tweak multiply model.  Add bypasses for CR instructions dependent
        on complicated compares.
        * config/rs6000/rs6000.md (mulsi3): Name imul_compare patterns.
        (muldi3): Add lmul_compare patterns.
        * config/rs6000/rs6000.c (rs6000_variable_issue): Move FPLOAD_UX
        and FPSTORE_UX to split instructions and add COMPARE,
        DELAYED_COMPARE, IMUL_COMPARE, LMUL_COMPARE, IDIV, LDIV.
        (rs6000_adjust_cost): Add IMUL_COMPARE and LMUL_COMPARE.
        (rs6000_rtx_costs): Separate POWER4 multiply case.

2003-04-01  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_fixup_clobbered_return_reg):
        Do nothing if __builtin_return_address was not used.

Tue Apr  1 18:18:23 CEST 2003  Jan Hubicka  <jh@suse.cz>

        * i386.md (test patterns):  Allow memory operand in operand1.

2003-02-31  Aldy Hernandez  <aldyh@redhat.com>

        * testsuite/gcc.c-torture/execute/simd-3.c: New.

        * expr.c (expand_expr): Handle VECTOR_CST.
        (const_vector_from_tree): New.

        * varasm.c (output_constant): Handle VECTOR_CST.

        * c-typeck.c (digest_init): Build a vector constant from a
        VECTOR_TYPE.

        * config/rs6000/rs6000.c: Remove prototype for
        easy_vector_constant.
        (easy_vector_constant): Add mode parameter.  Rewrite to handle
        more easy constants.
        (rs6000_emit_move): Pass mode to easy_vector_constant.
        Call emit_easy_vector_insn for SPE V2SI vector constant moves.
        (emit_easy_vector_insn): New.
        (easy_vector_same): New.
        (EASY_VECTOR_15): New macro.
        (EASY_VECTOR_15_ADD_SELF): New macro.
        (bdesc_2arg): Rename to xorv2si3.
        (easy_vector_constant_add_self): New.
        (input_operand): Allow vector constants.

        * config/rs6000/rs6000.h (PREDICATE_CODES): Add
        easy_vector_constant, easy_vector_constant_add_self.
        (EXTRA_CONSTRAINT): Add 'W'.

        * config/rs6000/rs6000-protos.h: Add prototype for
        easy_vector_constant, emit_easy_vector_insn.

        * config/rs6000/altivec.md (xorv8hi3): New.
        (xorv16qi3): New.
        Remove all _const0 patterns.
        (movv4si_internal): Rewrite to use code.  Add vector constant to
        vector alternative.  Add splitter.
        (movv8hi_internal): Same.
        (movv16qi_internal): Same.
        (movv4sf_internal): Same.
        Change the unspecs for vspltis* to use constants.

        * config/rs6000/spe.md ("xorv4hi3"): New.
        ("spe_evxor"): Rename to xorv2si3.
        ("xorv1di3"): New.
        Remove all _const0 patterns.
        (movv2si_internal): Rewrite to use code.  Add vector constant to
        alternatives.  Add splitter.
        (movv4hi_internal): Add vector constant to alternatives.
        (movv1di_internal): Same.
        (movv2sf_internal): Same.

2003-03-31  Mark Mitchell  <mark@codesourcery.com>

        PR c/9936
        * c-decl.c (grokdeclarator): Clear SAVE_EXPR_CONTEXT for
        variably-sized arrays in parameters.
        (set_save_expr_context): New function.
        (c_expand_body): Use it, via walk_tree.

2003-03-31  Eric Christopher  <echristo@redhat.com>

        * combine.c (can_combine_p): Allow ZERO_EXTRACT and STRICT_LOW_PART.
        (combinable_i3pat): Remove call to expand_field_assignment and
        #if 0'd code.

2003-03-31  Mark Mitchell  <mark@codesourcery.com>

        PR c++/10278
        * c-common.c (finish_label_address_expr): Handle the
        error_mark_node.

2003-03-31  Richard Henderson  <rth@redhat.com>

        * real.c (real_identical): Reorg so as to not compare
        signalling for normals.

2003-03-31  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c (hard_reg_operand): Check the mode.

2003-03-31  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Don't rely on REG_WAS_0
        notes as they are boggus.
        (m68hc11_gen_movqi): Likewise.

2003-03-31  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c (expand_prologue): For an interrupt handler
        save the soft registers after the frame pointer so that gdb can unwind
        the frame more easily.
        (expand_epilogue): Likewise in opposite order; allow to use X register
        as scratch if the return value is by reference.

2003-03-31  Jason Merrill  <jason@redhat.com>

        PR java/10145
        * stor-layout.c (update_alignment_for_field): Respect
        DECL_USER_ALIGN for zero-length bitfields, too.
        * c-decl.c (finish_struct): Don't set DECL_ALIGN for normal
        fields.

2003-03-31  Matt Austern  <austern@apple.com>

        * cpppch.c (struct cpp_savedstate): Add defs and n_defs members.
        (count_defs): Keep track of number of defs as well as total size.
        (write_defs): Put every definition in cpp_savedstate's defs array.
        (comp_hashnode): Define.  Comparison function for qsort.
        (cpp_write_pch_deps): Sort definitions before writing them.
        (struct ht_node_list): Define. Like cpp_savedstate but simpler.
        (collect_ht_nodes): Define.
        (cpp_valid_state): When verifying that undefined identifiers in
        the pch file are still undefined, read a sorted list of undefined
        identifiers, collect all defined identifiers into a sorted list,
        and walk through both lists to make sure there's no match.

2003-03-31  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): New.

2003-03-31  Michael Matz  <matz@suse.de>

        * config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Change 1 into 0.

2003-03-31  Segher Boessenkool  <segher@koffie.nl>

        PR target/10177
        * config/rs6000/rs6000.h (HARD_REGNO_RENAME_OK): New.
        * config/rs6000/rs6000.c (compute_vrsave_mask): Don't mark
        all call-clobbered registers as used.

2003-03-31  Michael Matz  <matz@suse.de>

        * cppexp.c (cpp_classify_number): Accept '.' after "0x".
        * testsuite/gcc.dg/cpp/c99-hexfloat-3.c: New file.

2003-03-31  Nathan Sidwell  <nathan@codesourcery.com>

        * gcov.c: Add -a & -u options.
        (struct arc_info): Add local_span, is_call_non_return,
        is_nonlocal_return, is_unconditional flags, remove is_call flag.
        (struct block_info): Add flags, is_call_site, is_nonlocal_return
        members. Make encodings a union with span member.
        (struct function_info): Add blocks_executed, line, src, line_next
        members.
        (struct coverage_info): Make branches a union with blocks member.
        (struct source_info): Add functions member.
        (object_summary, program_count): New global variables.
        (flag_all_blocks, flag_unconditional): New flags.
        (find_source, output_branch_count): New functions.
        (print_usage): Adjust.
        (options): Adjust.
        (process_args): Adjust.
        (read_graph_file) <GCOV_TAG_FUNCTION>: Adjust.
        <GCOV_TAG_BLOCKS>: Read flags.
        <GCOV_TAG_LINES>: Adjust.
        (read_count_file): Process SUMMARY tags.
        (solve_flow_graph): Set is_unconditional and clear is_call_site
        appropriately.
        (add_branch_counts): Adjust. Don't count unconditional branches.
        (add_line_counts): Deal with all-blocks mode, accumulate block
        coverage.
        (accumulate_line_counts): Adjust, generate local spanning tree for
        all-blocks mode.
        (output_lines): Adjust.
        * profile.c (branch_prob): Alter GCOV_FUNCTION_TAG record.
        * doc/gcov.texi: Document.

2003-03-31  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Organize peephole2's that transform
        (compare (reg:HI) (const_int)).

2003-03-31  Roger Sayle  <roger@eyesopen.com>

        * emit-rtl.c (dconstm2, dconsthalf): New real constants.
        (init_emit_once): Initialize dconstm2 and dconsthalf here.
        * real.h (dconstm2, dconsthalf): Add prototypes here.
        * real.c (real_sqrt): Use dconsthalf rather than local copy.
        * builtins.c (fold_builtin): When optimizing sqrt(exp(x)) as
        exp(x/2.0) remember to fold the division if possible.
        Fold sin(0.0) as 0.0, cos(0.0) as 1.0, pow(x,1.0) as x,
        pow(x,-1.0) as 1.0/x, pow(x,2.0) as x*x, pow(x,-2.0) as
        1.0/(x*x) and pow(x,0.5) as sqrt(x).

2003-03-31  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a new peephole2): New.

2003-03-31  Richard Sandiford  <rsandifo@redhat.com>

        * gcse.c (simple_mem): Return false for floating-point accesses
        if flag_float_store is true.

2003-03-30  Roger Sayle  <roger@eyesopen.com>

        * gcse.c (gcse_constant_p): New function to identify constants
        suitable for constant propagation, including COMPARE with two
        integer constant arguments.
        (hash_scan_set): Use gcse_constant_p.
        (find_avail_set): Likewise.
        (cprop_insn): Likewise.
        (do_local_cprop): Likewise.
        (find_implicit_sets): Likewise.
        (find_bypass_set): Likewise.

2003-03-30  Matt Kraai  <kraai@alumni.cmu.edu>

        * except.h: Remove definition of varray_type.

2003-03-30  Richard Henderson  <rth@redhat.com>

        PR opt/10011, opt/10252:
        * toplev.c (rest_of_compilation): Run purge_builtin_constant_p
        before post-gcse cse pass.

2003-03-30  Roger Sayle  <roger@eyesopen.com>

        * dojump.c (do_jump): Copy SUBREGs into a pseudo for comparison.

2003-03-30  DJ Delorie  <dj@redhat.com>

        * profile.c (instrument_edges): Make sure any newly created
        jump insns have correct jump label info.

2003-03-30  Richard Henderson  <rth@redhat.com>

        * cfgbuild.c (make_edges): Use tablejump_p.
        * cfgcleanup.c (label_is_jump_target_p): Likewise.
        * cfglayout.c (cfg_layout_can_duplicate_bb_p): Likewise.
        * cfgrtl.c (flow_delete_block_noexpunge): Likewise.
        (try_redirect_by_replacing_jump): Likewise.
        (redirect_edge_and_branch): Likewise.
        * cse.c (fold_rtx): Likewise.
        * jump.c (delete_related_insns): Likewise.
        * rtlanal.c (get_jump_table_offset): Likewise.
        * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): Likewise.

2003-03-30  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * Makefile.in (STRICT_WARN): Don't warn for ISO C constructs.
        (STRICT2_WARN): Likewise.

2003-03-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR other/6955
        * collect2.c (collect_wait): Use WCOREDUMP and fix output message.
        * system.h (WCOREDUMP, WCOREFLG): Define if necessary.

2003-03-30  Richard Henderson  <rth@redhat.com>

        PR c/10083
        * config/alpha/alpha.md (umuldi3_highpart): Change to expander;
        don't zero_extend const inputs.

2003-03-30  Kazu Hirata  <kazu@cs.umass.edu>

        * reload1.c (reload_cse_move2add): Fix a comment typo.

2003-03-30  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): Remove useless code.

2003-03-29  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*iorsi3_and_ashift): New.
        (*iorsi3_and_lshiftrt): Likewise.
        (*iorsi3_zero_extract): Likewise.

2003-03-29  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*insv_si_8_8): New.
        (*insv_si_8_8_lshiftrt_8): Likewise.
        (a peephole2): Likewise.

2003-03-29  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/contrib.texi: Add Eric Botcazou and Roger Sayle.
        Uniformly use bugfix instead of bug fix.

2003-03-29  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        PR doc/895
        * ONEWS: Remove those items that already appear in the EGCS
        release notes on our web pages.

2003-03-29  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.h (FUNCTION_VALUE_REGNO_P): Respect
        TARGET_HARD_FLOAT.  Reformat.
        (FUNCTION_ARG_REGNO_P): Likewise, and remove unneeded casts.

2003-03-28  Albert Chin-A-Young  <china@thewrittenword.com>

        * gcc/fixinc/inclhack.def: Update solaris_mutex_init_1 to
        work on Solaris 2.5.1.

2003-03-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*addsi3_and_r_1): Put under plus:SI
        section of h8300.md
        (*addsi3_and_nor_r_1): Likewise.

2003-03-29  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_emit_prologoue): Make sure backchain is
        set up before any trapping memory access if flag_non_call_exceptions.

2003-03-29  Alan Modra  <amodra@bigpond.net.au>

        * reload1.c (reload_as_needed): Allow a USE in asm reloads.

        * loop.c: (find_mem_in_note_1, find_mem_in_note): Comment.

2003-03-28  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure.in: Clarify comments.
        * configure: Regenerate.

2003-03-28  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("literal_pool_31"): Output pool anchor
        label even if pool empty when generating PIC.
        ("literal_pool_31", "literal_pool_64"): Coding style cleanup.

2003-03-28  Kazu Hirata  <kazu@cs.umass.edu>,
            Dhananjay Deshpande  <dhananjayd@kpit.com>

        PR target/10205
        * config/h8300/h8300.c (h8300_initial_elimination_offset):
        Correct the offset computation when TARGET_NORMAL.

2003-03-28  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/10067
        * config/sparc/sparc.md (jump pattern): Correct order
        when issuing the annuling marker.

2003-03-28  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR c/8281
        * config/sparc/sparc.md (movdi_insn_sp32_v9): Remove 'f-f' alternative.
        (movdi reg/reg split): Match only on sparc32, and v9 when int regs.

2003-03-28  Alan Modra  <amodra@bigpond.net.au>

        * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_BSS): Remove unnecessary
        globalize_label.
        * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS): Likewise.
        * config/i960/i960.h (ASM_OUTPUT_ALIGNED_BSS): Likewise.
        * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Likewise.
        * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Likewise.
        * config/mips/linux.h (ASM_OUTPUT_ALIGNED_BSS): Likewise.
        * config/sparc/sparc.h (ASM_OUTPUT_ALIGNED_BSS): Likewise.
        * config/v850/v850.c (v850_output_aligned_bss): Likewise.

2003-03-28  Alan Modra  <amodra@bigpond.net.au>

        * loop.c: (find_mem_in_note_1, find_mem_in_note): New functions.
        (replace_loop_mems): Add "written" param.  Remove invalid REG_EQUAL
        notes after hoisting.
        (load_mems): Adjust replace_loop_mems call.

2003-03-28  Eric Botcazou  <ebotcazou@libertysurf.fr>
            Richard Henderson  <rth@redhat.com>

        PR target/10114 and PR target/10084
        * dwarf2out.c (mem_loc_descriptor): Handle LO_SUM.

2003-03-27  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.md (adddi_er_high_l): Valid only after reload.

2003-03-27  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold_inf_compare):  New function to simplify FP
        comparisons against +Infinity or -Infinity.
        (fold):  Optimize floating point comparisons against Infs and NaNs.

2003-03-27  Janis Johnson  <janis187@us.ibm.com>

        * libgcov.c: Provide only dummy functions if libc is not available.

2003-03-27  Richard Henderson  <rth@redhat.com>

        * real.h (struct real_value): Add signalling.
        (EXP_BITS): Decrement.
        * real.c (get_canonical_qnan): Don't set MSB-1.
        (get_canonical_snan): Likewise.  Set signalling.
        (real_identical): Compare signalling.
        (round_for_format): Remove force-one-bit on code.
        (real_nan): Likewise.  Set signalling.
        (encode_ieee_single): Add force-one-bit code; honor signalling.
        (encode_ieee_double, encode_ieee_extended, encode_ieee_quad): Likewise.
        (decode_ieee_single): Set signalling.
        (decode_ieee_double, decode_ieee_extended, decode_ieee_quad): Likewise.

2003-03-27  Olivier Hainque  <hainque@act-europe.fr>

        PR ada/9953
        * ada/Makefile.in (gnatlib configuration for HPUX): Split
        the general section for HPUX into specific sections for
        HPUX 10 and HPUX 11. Fix the setting of TGT_LIB in the HPUX
        11 case.

2003-03-27  Glen Nakamura  <glen@imodulo.com>

        PR opt/10087
        * loop.c (loop_givs_reduce): Skip bivs with duplicate locations
        while incrementing giv.
        (record_biv): Check for duplicate biv locations and
        set (struct induction *) v->same if found.

2003-03-27  David Mosberger  <davidm@hpl.hp.com>

        * unwind-libunwind.c (uw_frame_state_for): Adjust for libunwind
        v0.9 API change: replace read of UNW_REG_HANDLER with
        unw_get_proc_info().
        (_Unwind_GetLanguageSpecificData): Replace read of UNW_REG_LSDA
        with unw_get_proc_info().
        (_Unwind_GetRegionStart): Replace UNW_REG_PROC_START with
        unw_get_proc_info().

2003-03-27  Vladimir Makarov  <vmakarov@redhat.com>

        * config/rs6000/8540.md: Use presence_set instead of absence_set.

2003-03-26  Richard Henderson  <rth@redhat.com>

        * c-decl.c (finish_function): Always defer if DECL_DECLARED_INLINE_P.

2003-03-26  Roger Sayle  <roger@eyesopen.com>

        PR bootstrap/10051, PR bootstrap/10169.
        * mips-tfile.c (init_file): Don't provide a static initializer.
        (initialize_init_file): Initialize the contents of init_file.
        (add_file): Call initialize_init_file if not already initialized.

2003-03-26  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_optimize_prolog): Do not save/restore
        registers used for global asm variables.
        (s390_frame_info, s390_arg_frame_offset): Likewise.
        (s390_emit_prologue, s390_emit_epilogue): Likewise.

2003-03-26  Vladimir Makarov  <vmakarov@redhat.com>

        * config/rs6000/8540.md: New file.

        * config/rs6000/{40x.md, 603.md, 6xx.md, 7450.md, 7xx.md, mpc.md,
        power4.md, rios1.md, rios2.md, rs64.md}: Add mult_compare to
        reservations for imul.

        * config/rs6000/rs6000.md: Include 8540.md.  Change
        delayed_compare onto mult_compare for insns generating
        multiplication.
        (mult_compare, fpsimple, brinc, vecdiv, veccmpsimple, vecfdiv):
        New type attribute values.

        * config/rs6000/spe.md (*negsf2_gp, *abssf2_gpr): Use type
        fpsimple instead of fp.
        (*divsf3_gpr): Use type vecfdiv instead of fp.
        (spe_evfsabs, spe_evfsnabs, spe_evfsneg): Use type vecsimple
        instead of vecfloat.
        (spe_evfsdive): Use type vecfdiv instead of vecfloat.
        (spe_brinc): Use type brinc instead of veccomplex.
        (spe_evaddw, spe_evaddiw): Use type vecsimple instead of
        veccomplex.
        (spe_evdivws, spe_evdivwu): Use type vecdiv instead of veccomplex.
        (*movv2si_internal, *movv1di_internal, *movv4hi_internal,
        *movv2sf_internal): Define type attribute values for all
        alternatives.
        (cmpsfeq_gpr, cmpsfgt_gpr, cmpsflt_gpr): Use type veccmp instead
        of fpcompare.
        (tstsfeq_gpr, tstsfgt_gpr, tstsflt_gpr): Use type veccmpsimple
        instead of fpcompare.

2003-03-26  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/power4.md: Allow delay between dispatch and
        function units for simple instructions.  Correct store units.
        Allow branch to occupy as many dispatch slots as necessary.

2003-03-26  Jakub Jelinek  <jakub@redhat.com>

        * config/ia64/ia64.c (ia64_expand_op_and_fetch): Fix comment.
        (ia64_expand_compare_and_swap): Use always DImode ar.ccv,
        zero extend old to it.
        * config/ia64/ia64.md (cmpxchg_acq_si): Remove mode from ccv
        operand.

2003-03-26  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/7784
        * reload.c (find_reloads_address): Handle
        (PLUS (PLUS (REG) (REG)) (CONST_INT)) form for
        all base registers.

2003-03-25  Marcelo Abreu  <mmabreu@inf.ufrgs.br>

        PR other/10203
        * version.c: Reference the GCC web site in the URL.

2003-03-26  Alan Modra  <amodra@bigpond.net.au>

        * c-incpath.c (add_standard_paths): Add both "translated" and
        non-translated header paths.

2003-03-25  Loren James Rittle  <ljrittle@acm.org>

        * doc/install.texi (*-*-freebsd*): Update with known status.

2003-03-21  Jason Merrill  <jason@redhat.com>

        PR optimization/10171
        * unroll.c (unroll_loop): Don't delete the jump at the end unless
        we also delete a jump at the beginning.

2003-03-25  Stephane Carrez  <stcarrez@nerim.fr>

        * doc/contrib.texi (Contributors): Mention self as 68HC11/68HC12
        contributor.

Tue Mar 25 20:35:51 CET 2003  Jan Hubicka  <jh@suse.cz>

        * i386.c (ix86_rtx_costs): For -fpic and x86-64 local symbolic
        constants are not expensive.

Mon Mar 24 20:03:03 CET 2003  Jan Hubicka  <jh@suse.cz>

        PR opt/10056
        * cfglayout.c (fixup_reorder_chain):  Fix dealing with the conditional
        jump jumping to the next instruction.
        * cfgrtl.c (force_nonfallthru_and_redirect):  Likewise.

2003-03-25  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/passes.texi (Passes): Properly document that we do not
        perform jump2 any longer; remove command-line option -dJ.

2003-03-25  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR optimization/8746
        * config/i386/i386.md (and promoting splitters): Disable HImode to
        SImode promoting when the sign bit matters and is not preserved, or
        when TARGET_FAST_PREFIX is true. Disable promoting when optimizing
        for size.

2003-03-24  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): Extend to support loads
        in QImode and HImode.

2003-03-24  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/t-m68hc11-gas (LIB1ASMFUNCS): Add _call_far and
        _return_far
        (MULTILIB_OPTIONS): Don't multilib on -mlong-calls.
        (MULTILIB_EXCEPTIONS): Likewise.
        * config/m68hc11/m68hc11.md ("call"): Support far calls for 68HC11
        by calling some board support routine.
        ("call_value"): Likewise.
        ("*return_void"): Likewise for return.
        ("*return_16bit"): Likewise.
        ("*return_32bit"): Likewise.
        * config/m68hc11/m68hc11.h (ASM_DECLARE_FUNCTION_NAME): Generate .far
        for 68HC11 too.
        (DWARF2_ADDR_SIZE): Use 4 so that addresses can
        * config/m68hc11/m68hc11.c (m68hc11_override_options): Accept
        -mlong-calls for 68HC11.
        * config/m68hc11/larith.asm (declare_near): New macro.
        (__premain, ___negsi2, ___one_cmplsi2, ___ashlsi3): Use it.
        (___ashrsi3, ___lshrsi3, ___lshrhi3, ___lshlhi3): Likewise.
        (___rotrhi3, ___rotlhi3, ___ashrhi3, ___ashrqi3): Likewise.
        (___lshlqi3, __divmodhi4, ___mulqi3, ___mulhi3): Likewise.
        (__mulhi32): Likewise.
        (ret): Update macro for 68HC11.
        (__far_trampoline): Implement for 68HC11.
        (__call_a16, __call_a32, __return_void, __return_16): New support
        routines for 68HC11 memory bank switching calling support.
        (__return_32): Likewise.

2003-03-24  Neil Booth  <neil@daikokuya.co.uk>

        * toplev.c (independent_decode_option): Don't skip a 'Y' prefix.

2003-03-24  Janis Johnson  <janis187@us.ibm.com>

        * doc/install.texi (Testing): Mention test result links from build
        status pages.

2003-03-24  Mark Mitchell  <mark@codesourcery.com>

        * function.c (put_var_into_stack): Change bool parameter to int.
        (gen_mem_addressof): Likewise.
        * rtl.h (gen_mem_addressof): Likewise.
        * tree.h (put_var_into_stack): Likewise.
        * config/alpha/alpha.c (alpha_gp_save_rtx): Adjust call to
        gen_mem_addressof or put_var_into_stack.
        * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
        * config/ia64/ia64.c (spill_tfmode_operand): Likewise.

2003-03-24  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): New.

2003-03-24  Jakub Jelinek  <jakub@redhat.com>

        * dojump.c (do_jump): Handle UNSAVE_EXPR specially.

2003-03-24  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/contrib.texi (Contributors): Update Janis Johnson.

2003-03-23  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/10072
        * combine.c (simplify_if_then_else): Check that the mode
        has MODE_INT class before applying the (OP Z (mult COND C2))
        transformation.

2003-03-23  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR optimization/9414
        * config/sparc/sparc.md (widening peepholes): Use
        widen_memory_access instead of change_address.

2003-03-23  Mark Mitchell  <mark@codesourcery.com>

        PR c++/7086
        * c-typeck.c (c_mark_addressable): Adjust calls to
        put_var_into_stack.
        * expr.c (expand_expr): Likewise.
        * function.c (put_var_into_stack): Add rescan parameter.  Do not
        call fixup_var_refs when rescan is false.
        (gen_mem_addressof): Likewise.
        (assign_parms): Adjust calls to put_var_into_stack.
        (setjmp_protect): Likewise.
        (setjmp_protect_args): Likewise.
        * rtl.h (gen_mem_addressof): Change prototype.
        * stmt.c (expand_decl): Adjust calls to put_var_into_stack.
        * tree.h (put_var_into_stack): Change prototype.

2003-03-23  Arpad Beszedes <beszedes@cc.u-szeged.hu>

        PR middle-end/9967
        * builtins.c (expand_builtin_fputs): When optimizing for size,
        don't transform fputs into fwrite.

2003-03-23  Glen Nakamura <glen@imodulo.com>

        PR c/8224
        * fold-const.c (extract_muldiv_1): Don't pass through type conversions
        when signedness changes for division or modulus.

2003-03-24  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_BSS): Remove unnecessary
        globalize_label.

2003-03-23  Roger Sayle  <roger@eyesopen.com>

        PR c/10178
        * stmt.c (expand_end_case_type): Check for overflow in range when
        determining whether to use a bit-test implementation.

2003-03-23  Richard Henderson  <rth@redhat.com>

        * cfgcleanup.c (try_optimize_cfg): Allow merging of tablejumps
        before flow2.
        * cfgrtl.c (try_redirect_by_replacing_jump): Similarly.

2003-03-23  Richard Henderson  <rth@redhat.com>

        PR opt/10116
        * ifcvt.c (find_if_block): Disallow tablejump insns outgoing
        from then_bb or else_bb after flow2.

2003-03-23  Zack Weinberg  <zack@codesourcery.com>

        * configure.in: Check whether it is necessary to link against
        libm to use ldexp.
        * configure: Regenerate.
        * Makefile.in: Add LDEXP_LIB substitution variable.

2003-03-23  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Fix comment typos.

2003-03-22  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (output_cbranch): Fix typo in comment.

2003-03-22  Richard Henderson <rth@redhat.com>

        * cfgcleanup.c (insns_match_p): Do not do EQUIV substitution
        after reload.

2003-03-22  DJ Delorie  <dj at redhat dot com>,
        Bruce Korb  <bkorb at gnu dot org>

        * fixinc/inclhack.def (solaris_mutex_init_1): New; Fix
        buggy Solaris 2.6 mutex/cond initializers.
        (solaris_mutex_init): Rename to solaris_mutex_init_2.
        * fixinc/fixincl.x: Regenerate.
        * fixinc/tests/base/pthread.h: Update.
        * fixinc/fixincl.c(initialize): be explicit about the default case
        and indicate verbose level when being very, very verbose.
        * fixinc/check.tpl(VERBOSE): provide a means for passing the value in

2003-03-22  Andreas Jaeger  <aj@suse.de>

        * config/i386/i386.c (ix86_init_machine_status): Return value.

2003-03-22  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (output_cbranch, output_bb, output_bvb): Output nop for
        conditional branch to the following instruction.  Use next_real_insn
        instead of next_active_insn.
        (output_dbra, output_movb, jump_in_call_delay): Use next_real_insn
        instead of next_active_insn.

2003-03-22  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("movti", "*movdi_31", "*movdf_31"): Use 'o'
        instead of 'm' constraint in forced-split alternatives.
        ("*adddi3_31", "*subdi3_31"): Likewise.  Also, pass 0 instead of 1 as
        VALIDATE_ADDRESS parameter to operand_subword.

2003-03-22  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (notice_update_cc): Correctly handle
        the case where the set destination is STRICT_LOW_PART.

2003-03-22  Svein E. Seldal  <Svein.Seldal@solidas.com>

        * config/c4x/t-c4x (INSTALL_LIBGCC): Make gcc recognize a c33 as a
        c30 instead of a c40 processor.

2003-03-22  Alan Modra  <amodra@bigpond.net.au>

        * combine.c (simplify_comparison <AND>): Use gen_int_mode.  Tidy.

2003-03-21  Zack Weinberg  <zack@codesourcery.com>

        * c-common.c: Include intl.h.
        (shadow_warning): Rewrite to allow better diagnostic translations.
        * c-common.h: Update prototype of shadow_warning.  Declare sw_kind enum.
        * c-decl.c (warn_if_shadowing): Update calls to shadow_warning;
        use it throughout.
        * Makefile.in (c-common.o): Add intl.h.

2003-03-21  Nathanael Nerode  <neroden@gcc.gnu.org>

        * config.gcc: Remove 'float_format'.

        * fixproto: Define NULL and size_t in generated stdlib.h and
        unistd.h.  Kill unused required_stdlib_h, required_unistd_h.
        Rearrange file generation loop for readability.  Generate time.h,
        string.h if missing.
        * tsystem.h: Include <string.h>, <time.h> unconditionally.
        * config.gcc: Blow away POSIX defines.

2003-03-22  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.md ("call_value"): Fix trap check.

2003-03-22  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.h (ASM_DECLARE_FUNCTION_NAME): Fix typo in
        writing .interrupt command.
        * config/m68hc11/m68hc11.md ("call"): Look at the symbol to see
        if it's a far or near function.
        ("call_value"): Likewise.
        * config/m68hc11/m68hc11.c (m68hc11_attribute_table): Add far and
        near attributes.
        (m68hc11_handle_fntype_attribute): Accept attributes on methods.
        (m68hc11_override_options): Ignore -mlong-calls for 68HC11.
        (m68hc11_initial_elimination_offset): Set current_function_far
        according to attributes.
        (expand_prologue): Likewise.
        (trap_handler_symbol): New global to keep track of trap handlers.
        (m68hc11_encode_section_info): Mark symbol as far if needed; set
        trap symbol.
        (m68hc11_is_far_symbol): New function.
        (m68hc11_is_trap_symbol): New function.
        * config/m68hc11/m68hc11-protos.h (m68hc11_is_far_symbol): Declare.
        (m68hc11_is_trap_symbol): Declare.

2003-03-21  Jan Hubicka  <jh@suse.cz>

        * i386.c (ix86_compute_frame_layout): Recompute fast prologues
        only when amount of saved regs changed.
        (ix86_init_machine_status): Initialize use_fast_prologue_epilgoue_nregs.
        * i386.h (machine_function): New fields use_fast_prologue_epilgoue_nregs.

2003-03-21  Jan Hubicka  <jh@suse.cz>

        PR inline-asm/7916
        * function.c (instantiate_virtual_regs_lossage): New function.
        (instantiate_virtual_regs_1): Use it.
        (instantiate_virtual_regs): Do not continue in substition when insn has
        been deleted.

2003-03-21  Kazu Hirata  <kazu@cs.umass.edu>

        * combine.c (make_field_assignment): Fix a warning.

2003-03-21  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*insv_si_1_n_lshiftrt_16): New.

2003-03-21  Dale Johannesen  <dalej@apple.com>

        * config/rs6000/rs6000.h (REG_ALLOC_ORDER):  Increase
        priority for R2 on Darwin.
        (HARD_REGNO_MODE_OK):  Don't accept R31 for DFmode.

2003-03-21  Kazu Hirata  <kazu@cs.umass.edu>

        * combine.c (make_field_assignment): Remove unnecessary AND
        when storing into zero_extract.

2003-03-21  Zack Weinberg  <zack@codesourcery.com>

        * aclocal.m4 (gcc_AC_EXAMINE_OBJECT, gcc_AC_C_FLOAT_FORMAT): Delete.
        * configure.in: Don't call gcc_AC_C_FLOAT_FORMAT.
        * defaults.h: Remove reference to HOST_FLOAT_WORDS_BIG_ENDIAN
        in comment.

2003-03-21  DJ Delorie  <dj@redhat.com>

        * optabs.c (init_integral_libfuncs): Make sure we init at least up
        to "long long" size words.

2003-03-21  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.h: Do not include fixdfdi.h on s390x.
        (TARGET_64BIT): Define as compile-time constant when IN_LIBGCC2.
        (MIN_UNITS_PER_WORD): Do not define when IN_LIBGCC2.

2003-03-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        PR doc-bug/9813
        * doc/extend.texi: Move misplaced paragraph about underscores in
        variables in macros.

2003-03-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
            Richard Henderson  <rth@redhat.com>

        PR optimization/8366
        * config/sparc/sparc.h: (SYMBOLIC_CONST): New macro.
        (GO_IF_LEGITIMATE_ADDRESS): Use it. Reject the form
        PIC+SYMBOLIC_CONST in other modes than Pmode.
        (GO_IF_MODE_DEPENDENT_ADDRESS): Use it. Mark
        the form PIC+SYMBOLIC_CONST as mode dependent.

2003-03-21  DJ Delorie  <dj@redhat.com>

        * config/stormy16/stormy16.c (xstormy16_expand_arith): Make
        sure we always emit at least one insn.

2003-03-21  Christopher Faylor  <cgf@redhat.com>

        * config.gcc (i[34567]86-*-cygwin*): Use new common makefile
        stub t-cygming. Use common target header cygming.h. Add extra
        c_target_obj and cxx_target_obj file. Default cygwin to posix
        threading. Enforce i386 as float format.
        (i[34567]86-*-mingw*): Use new common makefile stub t-cygming.
        Remove cygwin.h as target header. Use common target header
        cygming.h  Enforce i386 as float format. Correct typo.
        * config/i386/cygming.h: New file, containing definitions
        common to mingw32 and cygwin.
        * config/i386/cygwin.h: Remove definitions common to cygwin and
        mingw.  Simplify special spec logic.  Define "wrappers" around
        certain include path defines to accommodate -mno-cygwin.
        Remove some #if 0'ed code.
        (STANDARD_INCLUDE_DIR) Always define when not cross-compiling.
        (LINK_SPEC): Don't use cyg search prefix when -mno-cygwin.
        (GCC_DRIVER_HOST_INITIALIZATION): Define as call to mingw_scan.
        * config/i386/mingw32.h: Remove definitions common to cygwin and
        mingw.
        (EXTRA_OS_CPP_BUILTINS): Adjust.
        (TARGET_VERSION): Define.
        * config/i386/crtdll.h (EXTRA_OS_CPP_BUILTINS): Override
        mingw32.h definitions.
        (LIBGCC_SPEC): Add libmingwex.a as in mingw32.h.
        * config/i386/t-cygwin (EXTRA_GCC_OBJS): Define as cygwin1.o.
        Add compilation rules for cygwin1.o cygwin2.o.
        * config/i386/cygwin1.c: New file.
        * config/i386/cygwin2.c: New file.
        * config/i386/t-cygming: New makefile stub.

2003-03-20  Richard Henderson  <rth@redhat.com>

        * fold-const.c (extract_muldiv_1): Revert changing order of
        operands in case MULT_EXPR of 2003-02-16 patch.

2003-03-20  Daniel Berlin  <dberlin@dberlin.org>
        Merge changes from new-regalloc-branch

        From Michael Matz  <matz@suse.de>
        * df.c (df_ref_record_1): Move init of loc to safe point.
        Only recurse on interesting things in parallels.
        Handle CLASS_CANNOT_CHANGE_MODE smarter.
        (df_uses_record): Ditto.

        * df.h (DF_REF_MEM_OK): New enum member, used to mark ref's which
        it's already okay to use memory operands in (IE doesn't require
        adding another insn or anything).

2003-03-20  Richard Henderson  <rth@redhat.com>

        PR middle-end/6348
        * explow.c (allocate_dynamic_stack_space): Handle STACK_SIZE_MODE
        different from word_mode.

2003-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*insv_si_1_n_lshiftrt): Restrict the
        source operand to those that can be extracted with bld.

2003-03-20  Richard Earnshaw  <rearnsha@arm.com>

        PR 10066
        * arm.md (UNSPEC_PIC_BASE): New constant.
        (pic_add_dot_plus_four): Wrap with unspec.
        (pic_add_dot_plus_eight): Likewise.

2003-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*insv_si_1_n): New.
        (*insv_si_1_n_lshiftrt): Likewise.

2003-03-20  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold_mathfn_compare): New function to simplify
        comparisons against built-in math functions.  Fold comparisons
        of sqrt against constants.
        (fold): Call fold_mathfn_compare when appropriate.

2003-03-20 Richard Earnshaw  <rearnsha@arm.com>

        * ifcvt.c (find_if_case_1): If we add a new bb, update the dominance
        information.

2003-03-20  Per Bothner  <pbothner@apple.com>

        Various cleanups to help compile server.

        * cppinit.c (cpp_create_reader):  Take extra hash_table* argument,
        and pass that to _cpp_init_hashtable.
        (cpp_read_main_file):  Drop hash_table* argument; don't call
        _cpp_init_hashtable.
        * cpplib.h:  Update declarations to match.
        * c-opts.c (c_common_init_options):  Pass ident_hash to
        cpp_create_reader.
        (c_common_post_options):  Don't pass ident_hash to cpp_read_main_file.
        * fix-header.c (read_scan_file):  Likewise pass NULL table to
        cpp_create_reader rather than cpp_read_main_file.

        * cppfiles.c (cpp_rename_file):  Generalized and renamed
        to cpp_change_file.
        * cpplib.h:  Update declaration to match.
        * c-opts.c (push_command_line_line, finish_options):  Change
        cpp_rename_file calls to cpp_change_file.

        * line-map.c (add_line_map):  Allow leaving the outermost file.
        Allowing entering an outermost-file after the initial time.

        * toplev.c (pop_srcloc):  Allow popping from initial file.

2003-03-20  Kazu Hirata  <kazu at cs dot umass dot edu>

        * fold-const.c (fold): Fold A - (A & B) into ~B & A.

2003-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): New.

2003-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*addsi3_and_r_1): New.
        (*addsi3_and_not_r_1): Likewise.

2003-03-19  Loren James Rittle  <ljrittle@acm.org>

        * Makefile.in (STRICT2_WARN): Add @WERROR@.
        (GCC_WARN_CFLAGS): Remove $(WERROR).
        (fixinc.sh-warn): New.
        * ada/Make-lang.in (ada-warn): Add $(WERROR).
        * cp/Make-lang.in (cp-warn): Add $(WERROR).
        * f/Make-lang.in (f-warn): Add $(WERROR).
        * java/Make-lang.in (java-warn): Add $(WERROR).
        * treelang/Make-lang.in (treelang-warn): Add $(WERROR).

2003-03-19  Nathanael Nerode  <neroden@gcc.gnu.org>

        * c-common.h (c_dump_tree), c-dump.c (c_dump_tree),
        langhooks-def.h (lhd_tree_dump_dump_tree),
        langhooks.c (lhd_tree_dump_dump_tree), langhooks.h (*dump_tree):
        Change return type from 'int' to 'bool'.  Replace 0 and 1 with
        true and false in return statements.

2003-03-19  Kevin Buettner  <kevinb@redhat.com>

        * dwarf2out.c (DWARF_INITIAL_LENGTH_SIZE): Define.
        (DWARF_COMPILE_UNIT_HEADER_SIZE): Take into account
        DWARF_INITIAL_LENGTH_SIZE.
        (output_compilation_unit_header, output_pubnames, output_aranges)
        (output_line_info): Output 0xffffffff escape value for 64-bit
        DWARF extension.
        * config/mips/iris6.h (DWARF_INITIAL_LENGTH_SIZE): Define.

2003-03-19  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_preferred_reload_class): Do not
        force constants to the pool unless necessary.
        (s390_decompose_address): Prefer to use pointer as base,
        not index register.
        * config/s390/s390.md ("*tsthiCCT_only"): Remove '?' from
        Q alternative.
        ("*movdi_64", "*movsi", "movhi", "movqi_64", "movqi",
        "*movdf_64", "*movsf"): Add '?' to Q->Q alternatives.
        ("*extractqi", "*extracthi", "*zero_extendhisi2_31",
        "*zero_extendqisi2_31", "*zero_extendqihi2_31",
        "*adddi3_31", "*subdi3_31"): Do not set "type" attribute.

2003-03-19  Jan Hubicka  <jh@suse.cz>

        * i386.h (machine_function): New fields use_fast_prologue_epilogue.
        * i386.c (use_fast_prologue_epilogue): Remove.
        (ix86_frame): New field save_regs-using_mov;
        (ix86_compute_frame_layout):  Decide on fast prologues;
        allocate saved registers in red zone.
        (ix86_expand_epilogue, ix86_expand_prolgoues): Obey new parameters.

2003-03-19  Nick Clifton  <nickc@redhat.com>

        * config/mcore/mcore.h (CPP_SPEC): Remove trailing semi-colon.

2003-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR 10062
        * config/pa/pa-hpux.h (TARGET_HPUX_UNWIND_LIBRARY): Redefine.
        * pa-protos.h (output_lbranch): New prototype.
        * pa.c (compute_frame_size): Change size of the frame marker on the
        64-bit ports to 48 bytes.
        (pa_output_function_prologue): Document why SAVE_SP is set.
        (hppa_expand_prologue): Save previous stack pointer into frame marker
        on targets which use the hpux unwind library.
        (output_cbranch): Use output_lbranch.
        (output_lbranch): New function to output long unconditional branches.
        * pa.h (TARGET_HPUX_UNWIND_LIBRARY): Define.
        (STACK_POINTER_OFFSET): Update offset for 48-byte frame marker on
        64-bit ports.
        * pa.md (jump): Use output_lbranch.
        (allocate_stack): New expander for dynamic stack allocation.

2003-03-19  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (rs6000_stack_info): Only require a frame
        when debugging on XCOFF targets.  Delete "abi" temp.

        PR target/10073
        * combine.c (force_to_mode <NOT>): Use gen_int_mode.

2003-03-18  Jakub Jelinek  <jakub@redhat.com>

        * config/s390/s390.c (s390_output_dwarf_dtprel): New.
        * config/s390/s390-protos.h (s390_output_dwarf_dtprel): New proto.
        * config/s390/s390.h (ASM_OUTPUT_DWARF_DTPREL): Define.

        * config/ia64/ia64.c (ia64_output_dwarf_dtprel): New.
        * config/ia64/ia64-protos.h (ia64_output_dwarf_dtprel): New proto.
        * config/ia64/ia64.h (ASM_OUTPUT_DWARF_DTPREL): Define.

2003-03-18  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't clone
        the result of machopic_function_base_name.
        * config/darwin.c (machopic_function_base_name): Use a gc-allocated
        string rather than a static array.

        * Makefile.in (emit-rtl.o): Add gt-emit-rtl.h to dependencies.

        * gengtype.c: Include rtl.h.
        (enum rtx_code): Don't define.
        (rtx_format): Make declaration match rtl.h.
        (rtx_next_new): Rename from rtx_next to avoid conflict.  Change all
        users.
        (adjust_field_rtx_def): Describe strings in NOTE_LINE_NUMBER notes.
        * Makefile.in (gengtype.o): Update dependencies.

2003-03-18  Andreas Schwab  <schwab@suse.de>

        * config/m68k/m68k.md (iordi3): Fix setting low half to -1.  From
        martin@blom.org.

2003-03-18  Geoffrey Keating  <geoffk@apple.com>

        * function.c (next_block_index): Mark with GTY.

        * config/rs6000/rs6000.md (macho_correct_pic): Correct pattern.

2003-03-18  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.md (UNSPECV_SETJMP_RECEIVER): New.
        (builtin_setjmp_receiver): Delay call to ia64_reload_gp
        until after reload.

2003-03-18  Richard Henderson  <rth@redhat.com>

        * builtins.c (expand_builtin_unop): New target_mode operand;
        use it to convert the result to the correct mode.
        (expand_builtin): Update all callers.

2003-03-18  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("movti", "movhi", "movqi"): Add "type" attribute.

2003-03-18  Jan Hubicka  <jh@suse.cz>

        * i386.md:  Fix previous commit that mistakely applied the patch
        twice.

        * alias.c (rtx_equal_for_memref_p): Assume that X and Y has been
        canonicalized.
        (memrefs_conflict_p): Likewise.
        (addr_side_effect_eval): Canonicalize the constructed address.

2003-03-18  Jan Hubicka  <jh@suse.cz>

        * i386.md (cvtts?2si peep2): New.

2003-03-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*iorsi3_two_qi_zext): New.

2003-03-18  Andreas Schwab  <schwab@suse.de>

        * dwarf2out.c (output_file_names): Cast size_t to unsigned long
        for format.

2003-03-17  Jason Merrill  <jason@redhat.com>

        PR c++/10091
        * expr.c (expand_expr) [ADDR_EXPR]: Disallow taking the address of
        an unaligned member of TREE_ADDRESSABLE type.

2003-03-18  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/linux64.h (MASK_PROFILE_KERNEL): Define.
        (TARGET_PROFILE_KERNEL): Define.
        (SUBTARGET_SWITCHES): Handle -mprofile-kernel.
        (PROFILE_BEFORE_PROLOGUE): Don't define.
        (PROFILE_KERNEL): Remove hacks.
        * config/rs6000/rs6000.c (TARGET_PROFILE_KERNEL): Define default.
        (rs6000_stack_info): No need to save lr if just for profiling when
        TARGET_PROFILE_KERNEL.
        (output_profile_hook): Output nothing when TARGET_PROFILE_KERNEL.
        (output_function_profiler): Localize label generation.  Emit code
        for kernel profiling.

2003-03-17  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Add a prototype for
        byte_accesses_mergeable_p.
        * config/h8300/h8300.c (byte_accesses_mergeable_p): New.
        * config/h8300/h8300.md (*iorhi3_two_qi_mem): Likewise.
        (a splitter): Likewise.
        (*iorsi3_ashift_16_ashift_24): Likewise.
        (*iorsi3_ashift_16_ashift_24_mem): Likewise.

2003-03-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * dwarf2asm.h: Delete obsolete comment.
        (dw2_asm_output_data, dw2_asm_output_delta, dw2_asm_output_offset,
        dw2_asm_output_pcrel, dw2_asm_output_addr,
        dw2_asm_output_addr_rtx, dw2_asm_output_encoded_addr_rtx,
        dw2_asm_output_nstring, dw2_asm_output_data_uleb128,
        dw2_asm_output_data_sleb128, dw2_asm_output_delta_uleb128,
        dw2_asm_output_delta_sleb128): Add ATTRIBUTE_NULL_PRINTF.

2003-03-17  Zack Weinberg <zack@codesourcery.com>

        * c-tree.h (struct lang_identifier): Remove error_locus field.
        (IDENTIFIER_ERROR_LOCUS): Kill.
        (record_function_scope_shadow): New prototype.
        * c-typeck.c (build_external_ref): Don't complain if
        decl is error_mark_node.  When not at file scope, bind the
        decl's local value to error_mark_node to suppress further
        warnings, instead of setting IDENTIFIER_ERROR_LOCUS.

        * c-decl.c (get_function_binding_level): New static function.
        (record_function_scope_shadow): New exported function.
        (c_make_fname_decl): Use get_function_binding_level.

2003-03-17  Steve Ellcey  <sje@cup.hp.com>

        * stmt.c (tail_recursion_args): Call promote_mode to set
        unsignedp flag correctly before calling convert_move.

2003-03-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * loop-unroll.c (decide_peel_completely,
        decide_unroll_constant_iterations, decide_unroll_stupid,
        decide_unroll_runtime_iterations, decide_peel_simple): Set
        loop->has_desc.

2003-03-17  Jan Hubicka  <jh@suse.cz>

        * ggc-common.c (ggc_mark_roots): Use htab_traverse_noresize.

2003-03-17  Olivier Hainque  <hainque@act-europe.fr>

        * function.c (assign_parms): For a struct value address passed as
        first argument, delay the function's result RTL setup code until
        after the emission of parameter conversions.

2003-03-17  Dave Love  <fx@gnu.org>
            Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/alpha/osf.h (TARGET_OS_CPP_BUILTINS): Define __digital__,
        __arch64__ to match Compaq cc.

2003-03-17  Neil Booth  <neil@daikokuya.co.uk>

        * c-opts.c: Default TARGET_EBCDIC to 0 if not defined.
        (c_common_init): Set EBCDIC in cpp options.
        * cpplex.c (maybe_read_ucs, cpp_parse_escape): Use EBCDIC option,
        not conditional compilation.
        * cpplib.h (struct cpp_options): New entry EBCDIC.

2003-03-17  Neil Booth  <neil@daikokuya.co.uk>

        * fix-header.c (read_scan_file): Need to malloc arguments to add_path.

2003-03-17  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * function.c (thread_prologue_and_epilogue_insns): Set delete_unused
        argument to 0 for redirect_jump.

2003-03-16  Mark Mitchell  <mark@codesourcery.com>

        PR c++/8805
        * except.c (eh_region_u_cleanup): Add prev_try.
        (expand_eh_region_end_cleanup): Set it.
        (reachable_handlers): Use it to skip over cleanup blocks.

2003-03-17  Andreas Jaeger  <aj@suse.de>

        * Makefile.in (TAGS): Remove obsolete handling of =*.[chy].

2003-03-17  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/linux64.h (TARGET_64BIT): Redefine.
        (TARGET_RELOCATABLE, TARGET_EABI, TARGET_PROTOTYPE): Likewise.
        (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Likewise.
        (SUBTARGET_OVERRIDE_OPTIONS, CPP_SYSV_SPEC): Likewise.

2003-03-16  Richard Henderson  <rth@redhat.com>

        * simplify-rtx (simplify_binary_operation): Don't abort for
        SS_PLUS, US_PLUS, SS_MINUS, US_MINUS.

2003-03-16  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.md (movstrictqi, movstrictqi_1): Check
        optimize_size as well.

2003-03-16  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c (print_operand): Handle 'b' modifier
        for D register to specify the low part of it, aka B.
        (m68hc11_gen_movhi): Use REG_WAS_0 note and increment or decrement
        the register if we are loading 1 or -1 to it; avoid using temp
        register when moving X/Y to Y/X.
        (m68hc11_gen_movqi): Likewise.
        (m68hc11_check_z_replacement): Fix last insn setting for compare case.

2003-03-14  Mark Mitchell  <mark@codesourcery.com>

        PR optimization/9016
        * config/i386/i386.c (ix86_expand_move): Force more CONST_DOUBLEs
        into the constant pool.

2003-03-16  Falk Hueffner  <falk.hueffner@student.uni-tuebingen.de>

        PR target/9164
        * tree.c (get_narrower): For extensions with unchanged bit number,
        return the unsignedness of the outer mode.

2003-03-16  Roger Sayle  <roger@eyesopen.com>

        * c-typeck.c (build_component_ref):  Turn "for" into "do .. while"
        to avoid "may be used uninitialized" warning on ia64-hpux.
        * config/ia64/ia64-c.c: Include "tm_p.h" for function prototypes.

2003-03-16  Andreas Jaeger  <aj@suse.de>

        * configure.in: Improve check for memcheck.h.
        * configure: Regenerated.

2003-03-16  Neil Booth  <neil@daikokuya.co.uk>

        * doc/cppopts.texi: Remove documentation of -A-.

2003-03-15  Zack Weinberg  <zack@codesourcery.com>

        * doc/libgcc.texi: Remove @tie.

2003-03-15  Josef Zlomek  <zlomekj@suse.cz>

        * rtl.h (subrtx_p): Renamed to rtx_referenced_p.
        (rtx_pair): Added new element update_label_nuses, renamed to
        replace_label_data.
        * cfgcleanup.c (outgoing_edges_match, try_crossjump_to_edge): Use
        replace_label_data instead of rtx_pair.
        * loop.c (load_mems): Likewise.
        * rtlanal.c (replace_label): Replace label in pool constants and in
        INSN_LIST (in REG_LABEL note).
        (subrtx_p): Renamed to rtx_referenced_p.
        (subrtx_p_1): Renamed to rtx_referenced_p_1, compare the interior of
        LABEL_REF with CODE_LABEL, traverse constants from pool.

2003-03-15  Aldy Hernandez <aldyh@redhat.com>
            Zack Weinberg  <zack@codesourcery.com>

        * Makefile.in (TEXI_GCCINT_FILES): Add libgcc.texi.
        * doc/libgcc.texi: New file.
        * doc/interface.texi: Delete paragraph about libgcc interface.
        * doc/gccint.texi: Add libgcc menu entry and @include libgcc.texi.

2003-03-15  Jason Merrill  <jason@redhat.com>

        PR debug/9039
        * dwarf2out.c (gen_decl_die): Ignore frontend tree codes.

        PR debug/6387
        * dwarf2out.c (dwarf2out_decl): If we're at -g1, just stick nested
        function DIEs at toplevel.
        (decls_for_scope): At -g1, don't descend into subblocks.

2003-03-15  Ulrich Weigand  <uweigand@de.ibm.com>

        * varasm.c (struct rtx_const): Change type of un.addr member
        to struct holding an additional 'symbol' member.
        (decode_rtx_const): Re-enable optimization to count SYMBOL_REFs
        with equal string addresses as equal.
        (simplify_subtraction): Adapt to struct rtx_const change.

2003-03-15  Neil Booth  <neil@daikokuya.co.uk>

        * fix-header.c (read_scan_file): Read main file before handling -D.

2003-03-15  Roger Sayle  <roger@eyesopen.com>

        * c-cppbuiltin.c (builtin_define_with_value_n): Fix whitespace.
        * c-typeck.c (c_tree_expr_nonnegative_p): Likewise.
        * cfgbuild.c (find_many_sub_basic_blocks): Likewise.
        (find_sub_basic_blocks): Likewise.
        * cgraphunit.c (cgraph_expand_functions): Likewise.
        * dwarf2out.c (prune_unused_types): Likewise.
        * expr.c (store_field): Likewise.
        * genextract.c (print_path): Likewise.
        * haifa-sched.c (schedule_insn): Likewise.
        * lcm.c (compute_antinout_edge): Likewise.
        * loop-unroll.c (decide_peel_once_rolling): Likewise.
        * ra-colorize.c (ra_colorize_free_all): Likewise.
        * ra-debug.c (dump_igraph): Likewise.
        (debug_hard_reg_set): Likewise.
        * reg-stack.c (reg_to_stack): Likewise.
        * rtlanal.c (refers_to_regno_p): Likewise.
        * tracer.c (layout_superblocks): Likewise.

2003-03-15  Neil Booth  <neil@daikokuya.co.uk>

        * fix-header.c (read_scan_file): Fix thinko.

2003-03-15  Glen Nakamura  <glen@imodulo.com>

        * reload1.c (choose_reload_regs): Use && instead of ||
        with REG_CANNOT_CHANGE_MODE_P condition.

2003-03-15  Neil Booth  <neil@daikokuya.co.uk>

        * Makefile.in: Update.
        * c-common.h (cb_register_builtins): Rename c_cpp_builtins.
        * c-lex.c (init_c_lex): Register builtins hook is dead.
        * c-opts.c (COMMAND_LINE_OPTIONS, missing_arg): Handle -A, -D and -U.
        (c_common_decode_option): Don't call cpp_handle_option.
        Handle -A, -D and -U.
        (handle_deferred_opts): Simplify.
        (finish_options): Define builtins and command line macros.
        * c-ppoutput.c (init_pp_output): Register builtins hook is dead.
        * cppinit.c: Don't include intl.h.
        (init_builtins): Rename cpp_init_builtins.  No hook to call.
        (init_library): Don't need to sort options.
        (cpp_create_reader): Don't set pending.
        (cpp_destroy): Don't free pending.
        (struct pending_option, cl_directive_handler, struct cpp_pending,
        APPEND, free_chain, new_pending_directive, parse_option, opt_comp,
        cpp_finish_options, COMMAND_LINE_OPTIONS, DEF_OPT, struct cl_option,
        cl_options, cpp_handle_option): Remove.
        * cpplib.h (struct cpp_pending, register_builtins, cpp_handle_option,
        cpp_finish_options): Remove.
        (cpp_init_builtins): New.
        * fix-header.c (read_scan_file): Update to handle -D.  Fix
        handling of -I.  Replace call to cpp_finish_options.

2003-03-15  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        PR optimization/9387
        * function.c (thread_prologue_and_epilogue_insns): Use redirect_jump
        for conditional returns.

2003-03-14  Jason Merrill  <jason@redhat.com>

        PR optimization/6871
        * varasm.c (assemble_variable): Leave constant zeroes in .rodata.

2003-03-14  Neil Booth  <neil@daikokuya.co.uk>

        * c-opts.c (finish_options): New.
        (COMMAND_LINE_OPTIONS, c_common_decode_option): Add -imacros.
        (missing_arg): Handle OPT_include and OPT_imacros.
        (c_common_init, c_common_parse_file): Use finish_options.
        (handle_deferred_opts): Update.
        * cppinit.c (struct cpp_pending): Remove imacros_head and imacros_tail.
        (cpp_finish_options): Don't handle -imacros here.
        (no_fil): Remove.
        (COMMAND_LINE_OPTIONS, cpp_handle_option): Don't handle -imacros.

2003-03-14  Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/rs6000.c (rs6000_emit_load_toc_table): Don't call
        rs6000_maybe_dead if !fromprolog.

2003-03-14  Neil Booth  <neil@daikokuya.co.uk>

        * Makefile.in: Update.
        * c-common.h (fe_file_change, pp_file_change): New.
        * c-lex.c (init_c_lex): Don't set cb_file_change.
        (c_common_parse_file): Move to c-opts.c.
        (cb_file_change): Rename fe_file_change.
        * c-opts.c: Include debug.h.
        (warn_unused_macros, include_cursor): New.
        (push_command_line_include, cb_file_change): New.
        (COMMAND_LINE_OPTIONS): Handle -include.
        (c_common_decode_option): Use local warn_unused_macros.
        Handle OPT_include.
        (c_common_post_options): Set file change callback.
        (handle_deferred_opts): Skip -include.  Don't free the array.
        (c_common_init): Call cpp_finish_options here, and push an
        initial -include file.
        * c-ppoutput.c (cb_file_change): Rename pp_file_change.
        (preprocess_file): Don't call cpp_finish_options.
        (init_pp_output): Don't set the file change callback.
        (pp_file_change): Return if no line commands or no output.
        * cpphash.h (next_include_file, first_unused_line): Remove.
        * cppinit.c (include_head, include_tail): Remove.
        (cpp_destroy): Don't free -include chain.
        (cpp_finish_options): Don't handle -include, or worry about
        -Wunused-macros.
        (_cpp_maybe_push_include_file): Remove.
        (COMMAND_LINE_OPTIONS, cpp_handle_option): Don't handle -include.
        * cpplib.c (_cpp_pop_buffer): Don't handle -include.
        * cppmacro.c (_cpp_warn_if_unused_macro, _cpp_create_definition):
        Used flag is set based upon the state of the warn_unused_macros
        flag, and so use of first_unused_line is unnecessary.

2003-03-13  Jan Hubicka  <jh@suse.cz>

        * cselib.c (clear_table): Do not take argument; always clear just
        used slots.
        (cselib_process_insn):  Update call of clear_table
        (cselib_init): Do not call clear_table.
        (cselib_finish): Clear table.

        * cse.c (count_reg_usage): Do not check side_effects_p.
        * rtlanal.c (set_noop_p): Check side_effects_p only when set looks
        like noop.
        (find_reg_equal_equiv_note): Do not use find_reg_note.

2003-03-14  Richard Henderson  <rth@redhat.com>

        PR target/9700
        * config/alpha/alpha.c (alpha_va_start): Account for
        current_function_pretend_args_size in the AP offset.

        * config/alpha/alpha.h (SETUP_INCOMING_VARARGS): Move out of line.
        (INITIAL_ELIMINATION_OFFSET): Move out of line.
        * config/alpha/alpha.c (alpha_setup_incoming_varargs): New.
        (alpha_initial_elimination_offset) New.
        * config/alpha/alpha-protos.h: Update.

2003-03-14  Jakub Jelinek  <jakub@redhat.com>

        * stmt.c (expand_start_case): Call emit_queue ().

2003-03-14  Chris Demetriou  <cgd@broadcom.com>
            Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/mips.h (FUNCTION_PROFILER): _mcount() doesn't pop 2
        words in new abis.

2003-03-14  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR optimization/8396
        * tree-inline.c (initialize_inlined_parameters): Make sure the value
        of read-only constant arguments is passed with the right type.

2003-03-14  Steven Bosscher  <steven@gcc.gnu.org>

        * doc/extend.texi (Function Names): Make the example compilable.

2003-03-13  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (processor_target_table): Really allow
        GP optional instructions on Power4.

2003-03-13  Roger Sayle  <roger@eyesopen.com>

        * calls.c (flags_from_decl_or_type): Factor and remove redundant
        conditional tests.

2003-03-13  Mike Stump  <mrs@apple.com>

        * ggc-page.c (struct page_entry): Remove varray.h header.
        Add index_by_depth field.
        Remove save_in_use_p field.
        (struct globals): Add depth_in_use, depth_max, by_depth_in_use,
        by_depth_max, by_depth, and save_in_use fields.
        (INITIAL_PTE_COUNT): Add.
        (save_in_use_p_i): Add.
        (save_in_use_p): Add.
        (adjust_depth): Add.
        (move_ptes_to_front): Add.
        (push_depth): Add.
        (push_by_depth): Add.
        (prefetch): Add.
        (free_page): Add support for and use faster data structures.
        (ggc_alloc): Likewise.
        (init_ggc): Likewise.
        (ggc_recalculate_in_use_p): Likewise.
        (ggc_pop_context): Likewise.
        (clear_marks): Likewise.
        (ggc_pch_read): Likewise.
        * Makefile.in (ggc-page.o): Remove varray.h.

2003-03-13  Nathanael Nerode  <neroden@gcc.gnu.org>

        * ChangeLog: Rotated last year's entries to...
        * ChangeLog.8: New.

        * config/ia64/fde-glibc.c, config/ia64/freebsd.h,
        config/ia64/hpux.h, config/ia64/hpux_longdouble.h,
        config/ia64/ia64-c.c, config/ia64/ia64-modes.def,
        config/ia64/ia64-protos.h, config/ia64/ia64.c,
        config/ia64/ia64.h, config/ia64/ia64.md,
        config/ia64/itanium1.md, config/ia64/itanium2.md,
        config/ia64/quadlib.c, config/ia64/unwind-ia64.c,
        config/ia64/unwind-ia64.h: It's GCC, not GNU CC.

2003-03-13  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_dwarf_register_span):
        Differentiate endianness.
        (s6000_override_options): Use cpu type instead of TARGET_SPE.

2003-03-13  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.c (print_multi_reg): Do not generate a type 2
        LDM instructions with writeback enabled.
        (output_return_instruction): Likewise.

        * config/arm/pe.h (FIXED_REGISTERS): Remove definition.
        (CALL_USED_REGISTERS): Remove definition.
        (SUBTARGET_CONDITIONAL_REGISTER_USAGE): Define.

2003-03-13  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (rs6000_flag_pic): Delete.
        (rs6000_xcoff_encode_section_info): #ifdef TARGET_XCOFF.
        (rs6000_binds_local_p, TARGET_BINDS_LOCAL_P): #if TARGET_MACHO.
        (rs6000_override_options): Don't clear flag_pic for ABI_AIX.
        (rs6000_legitimize_address): Formatting.
        (rs6000_emit_move): Likewise.
        (rs6000_return_addr): Test ABI_AIX as well as flag_pic.
        (rs6000_emit_prologue <save_LR_around_toc_setup>): Likewise.
        (rs6000_elf_select_section): Comment reason for shlib being
        set for ABI_AIX.
        (rs6000_elf_unique_section): Likewise.
        (rs6000_elf_encode_section_info): Test !TARGET_AIX as well as ABI_AIX.
        * config/rs6000/rs6000.h (LEGITIMATE_LO_SUM_ADDRESS_P): Test ABI_AIX
        as well as flag_pic.
        * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
        (MINIMAL_TOC_SECTION_ASM_OP): Likewise.
        * config/rs6000/linux64.h (TARGET_ENCODE_SECTION_INFO): Don't define.

2003-03-13  Richard Henderson  <rth@redhat.com>

        * emit-rtl.c (try_split): Handle 1-1 splits of call insns properly.

        * config/ia64/ia64.c (TARGET_FUNCTION_OK_FOR_SIBCALL): New.
        (ia64_gp_save_reg): Remove.
        (struct ia64_frame_info): Move to the beginning of the file;
        add reg_save_gp.
        (ia64_expand_call): Rearrange for new call patterns.
        (ia64_reload_gp): New.
        (ia64_split_call): New.
        (ia64_compute_frame_size): Allocate reg_save_gp.
        (ia64_expand_prologue): Save reg_save_gp.
        (ia64_expand_epilogue): Don't restore gp.
        (ia64_hard_regno_rename_ok): Remove R4 hack.
        (ia64_function_ok_for_sibcall): New.
        (ia64_output_mi_thunk): Set reload_completed, no_new_pseudos;
        call try_split on sibcall pattern.
        * config/ia64/ia64-protos.h: Update.
        * config/ia64/ia64.md (call_nogp, call_value_nogp, sibcall_nogp):
        Rename from nopic versions.  Confiscate 2nd argument to call as
        a marker.
        (call_pic, call_value_pic, sibcall_pic): Remove.
        (call_gp, call_value_gp, sibcall_gp): New.
        (builtin_setjmp_setup): Remove.
        (builtin_setjmp_receiver): Call ia64_reload_gp.

2003-03-12  Nathanael Nerode  <neroden@gcc.gnu.org>

        * config/dsp16xx/dsp16xx-protos.h, config/dsp16xx/dsp16xx.c,
        config/dsp16xx/dsp16xx.h, config/dsp16xx/dsp16xx.md: Replace
        "GNU CC" with "GCC".

        * config/c4x/c4x-c.c, config/c4x/c4x-modes.def,
        config/c4x/c4x-protos.h, config/c4x/c4x.c, config/c4x/c4x.h,
        config/c4x/c4x.md, config/c4x/libgcc.S, config/c4x/rtems.h:
        GCC, not GNU CC.

        * genattrtab.h, hosthooks-def.h, hosthooks.h, langhooks-def.h,
        langhooks.h, tree-inline.h: Replace "GNU CC" with "GCC".

        * c-pch.c, dummy-conditions.c, genautomata.c, genconditions.c,
        langhooks.c, tree-inline.c, unwind-dw2-fde-darwin.c,
        unwind-dw2-fde-glibc.c, unwind-libunwind.c, vmsdbgout.c: Replace
        "GNU CC" with "GCC".

        * config/v850/lib1funcs.asm, config/v850/rtems.h,
        config/v850/v850-c.c, config/v850/v850-protos.h,
        config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
        GCC, not GNU CC.

        * config/vax/bsd.h, config/vax/elf.h, config/vax/netbsd-elf.h,
        config/vax/netbsd.h, config/vax/openbsd.h, config/vax/openbsd1.h,
        config/vax/ultrix.h, config/vax/vax-protos.h, config/vax/vax.c,
        config/vax/vax.h, config/vax/vax.md, config/vax/vaxv.h: GCC, not
        GNU CC.

2003-03-12  Benjamin Kosnik  <bkoz@redhat.com>

        * cpppch.c (cpp_valid_state): Use DL_WARNING_SYSHDR, not DL_WARNING.

2003-03-12  Nathanael Nerode  <neroden@gcc.gnu.org>

        * fixinc/fixinc.interix: Remove dead code (most of it).
        * fixinc/fixinc.dgux: Remove.

        * ginclude/float.h, ginclude/iso646.h, ginclude/stdarg.h,
        ginclude/stdbool.h, ginclude/stddef.h: GCC, not GNU CC.

2003-03-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (pa_init_builtins): Fix warning.

2003-03-12  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR): Remove.
        (ASM_OUTPUT_XDATA_SHORT): Remove.
        (ASM_OUTPUT_XDATA_INT): Remove.
        (ASM_OUTPUT_XDATA_DOUBLE_INT): Remove.
        (ASM_OUTPUT_ADDR_DIFF_ELT): Handled 32 bit address diffs.
        (ASM_PREFERRED_EH_DATA_FORMAT): Handle 32 bit EH pointers.
        (CASE_VECTOR_MODE): Handle 32 bit pointers in case statement.

2003-03-12  Andrew Lewycky  <andrew@mxc.ca>

        PR c++/7050
        * expr.c (store_expr): Don't attempt to store void-typed trees,
        just evaluate them for side effects.

2003-03-12  Neil Booth  <neil@daikokuya.co.uk>

        * cppfiles.c (cpp_rename_file, cpp_push_include): New.
        * cppinit.c (push_include): Move with changes to cppfiles.c.
        (cpp_read_main_file): Mark named operators here...
        (cpp_finish_options): ...not here.  Update.
        (_cpp_maybe_push_include_file): Update.
        * cpplib.h (cpp_push_include, cpp_rename_file): New.

2003-03-12  Nathanael Nerode  <neroden@gcc.gnu.org>

        * aclocal.m4: Introduce gcc_GAS_VERSION_GTE_IFELSE,
        _gcc_COMPUTE_GAS_VERSION.
        * configure.in: Use them.
        * configure: Regenerate.

2003-03-12  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.md (adddi3): Don't clobber source operand used
        to detect carry.
        (subdi3): Reorder emitted instructions.

2003-03-12  Andreas Jaeger  <aj@suse.de>

        * config/i386/netbsd64.h (TARGET_OS_CPP_BUILTINS): Remove call to
        NETBSD_OS_CPP_BUILTINS_LP64.

2003-03-12  Nathanael Nerode  <neroden@gcc.gnu.org>

        * Makefile.in: Eliminate all.indirect.  Update and clean up comments.
        Rearrange.  Reorganize.
        * configure.in: Rearrange.
        * configure: Regenerate.

2003-03-12  Andreas Jaeger  <aj@suse.de>

        * c-cppbuiltin.c (cb_register_builtins): Define LP64 builtins for
        LP64 targets.

        * doc/cpp.texi (Common Predefined Macros): Document __LP64__ and
        _LP64.

        * config/ia64/ia64.h (TARGET_CPU_CPP_BUILTINS): Do not define
        _LP64 macros here.
        * config/pa/pa.h (TARGET_CPU_CPP_BUILTINS): Likewise.

        * config/alpha/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove call to
        NETBSD_OS_CPP_BUILTINS_LP64.
        * config/sh/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Likewise.
        * config/sparc/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Likewise.

        * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_LP64): Remove.

2003-03-12  Jan Hubicka  <jh@suse.cz>

        * i386.c (ix86_setup_incoming_varargs): Set stack_alignment_needed to 128.

2003-03-12  Daniel Jacobowitz  <drow@mvista.com>

        Fix PR target/9797 and PR c/9853.
        * stmt.c (expand_decl_init): Call push_temp_slots () and
        pop_temp_slots ().

2003-03-12  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.c: Include basic-block.h.
        (sh_output_mi_thunk, emit_load_ptr): New functions.
        (TARGET_ASM_OUTPUT_MI_THUNK, TARGET_ASM_CAN_OUTPUT_MI_THUNK): Redefine.

2003-03-12  Nick Clifton  <nickc@redhat.com>

        * config/arm/pe.h (FIXED_REGISTERS): Add Maverick registers.
        (CALL_USED_REGISTERS): Likewise.
        * config/arm/arm.h (FIRST_PSEUDO_REGISTER): Update comment
        describing how this value is calculated.

2003-03-12  Hans-Peter Nilsson  <hp@bitrange.com>

        * configure.in (rlim_t): Define to long if no valid definition
        found in sys/resource.h.
        * config.in, configure: Regenerate.

2003-03-12  Neil Booth  <neil@daikokuya.co.uk>

        * config/mcore/mcore-elf.h (CPP_PREDEFINES): Replace with
        TARGET_OS_CPP_BUILTINS.
        * config/mcore/mcore-pe.h: Similarly.
        * config/mcore/mcore.h: Replace CPP_PREDEFINES and part of
        CPP_SPEC with TARGET_CPU_CPP_BUILTINS.

2003-03-12  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR c/9928
        * c-decl.c (duplicate_decls): Discard the initializer of the new decl
        only if it is a VAR_DECL.

2003-03-12  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR optimization/9888
        * config/i386/i386.md (jcc_1): Fix range.
        (jcc_2): Likewise.
        (jump): LIkewise.
        (doloop_end_internal): Likewise.

2003-03-12  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/winnt.c (DLL_IMPORT_PREFIX): New define.
        Use throughout instead of DLL_IMPORT_EXPORT_PREFIX and "e."
        (DLL_EXPORT_PREFIX): New define. Use throughout instead of
        DLL_IMPORT_EXPORT_PREFIX and "i."
        (i386_pe_dllexport_name_p): Here.
        (i386_pe_dllimport_name_p): Here.
        (i386_pe_mark_dllexport): Here. Remove DLL_IMPORT_PREFIX,
        not 9 chars when getting identifier name.
        (i386_pe_mark_dllimport): Here.
        (i386_pe_encode_section_info): Here. Remove DLL_IMPORT_PREFIX,
        not 9 chars when getting identifier name. Correct comment.
        (i386_pe_strip_name_encoding): Here. Add comments for different
        cases.
        (gen_fastcall_suffix): Break down xmalloc() argument to
        components.
        (gen_stdcall_suffix): Likewise.
        Update copyright year.

2003-03-12  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR optimization/9888
        * config/i386/i386.md (movsi_1): Remove special alternatives
        for %eax register.
        (movsi_1_nointernunit): Likewise.
        (movhi_1): Likewise.
        * config/i386/i386.c (memory_address_length): Do not use
        short displacement when there is no base.
        (ix86_attr_length_address_default): Handle LEA instructions.

2003-03-12  Neil Booth  <neil@daikokuya.co.uk>

        * c-cppbuiltin.c (builtin_define_std): Make non-static.

2003-03-11  Loren James Rittle  <ljrittle@acm.org>

        * config/freebsd-spec.h (FBSD_CPP_PREDEFINES): Remove.
        (FBSD_TARGET_OS_CPP_BUILTINS): New port-specific macro.
        (FBSD_TARGET_CPU_CPP_BUILTINS): New port-specific macro.
        * config/freebsd.h (CPP_PREDEFINES): Remove.
        (TARGET_OS_CPP_BUILTINS): New.
        * config/alpha/freebsd.h: Use overridden FBSD_TARGET_CPU_CPP_BUILTINS
        instead of TARGET_OS_CPP_BUILTINS.
        * config/sparc/freebsd.h (CPP_PREDEFINES): Remove.

2003-03-11  Geoffrey Keating  <geoffk@apple.com>

        * c-cppbuiltin.c (builtin_define_std): Add ATTRIBUTE_UNUSED.

2003-03-11  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_stack_info): Remove
        insn_chain_scanned.  Use insn_chain_scanned_p in machine_function.

        * config/rs6000/rs6000.h (machine_function): Add insn_chain_scanned_p.

2003-03-11  Alexandre Oliva  <aoliva@redhat.com>

        * toplev.c (independent_decode_option): Return success for --help,
        --target-help and --version.

2003-03-11  Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/linux64.h (DRIVER_SELF_SPECS): Add endian_spec.
        Default to -mips3 on -mabi=64.  Don't add -mips* flag if -march is
        specified.
        (SUBTARGET_ASM_SPEC): Remove -mips*-adding code obviated by
        DRIVER_SELF_SPECS.
        (LINK_SPEC): Let endian options affect the linker emulation name.

2003-03-11  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.md (reload_inqi): Fix mode for source in second set.

2003-03-11  Jan Hubicka  <jh@suse.cz>

        * cselib.c (cselib_invalidate_mem_1): Move too ...
        (cselib_invalidate_mem): ... here; use new list
        (dummy_val, first_containing_mem): New static variables.
        (clear_table): Initialize first_containing_mem.
        (discard_useless_values):  Compact the containing_mem list.
        (add_mem_for_addr): Add to the list.
        * cselib.h (cselib_val): Add next_containing_mem.

2003-03-11  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_override_options): Disable string
        instructions for e500.

2003-03-11  Neil Booth  <neil@daikokuya.co.uk>

        * Makefile.in: Update.
        * c-cppbuiltin.c: Include tm_p.h.

2003-03-11  Aldy Hernandez  <aldyh@redhat.com>

        * doc/tm.texi (Frame Registers): Document DWARF_REG_TO_UNWIND_COLUMN.

        * unwind-dw2.c (DWARF_REG_TO_UNWIND_COLUMN): Define.
        (_Unwind_GetGR): Use DWARF_REG_TO_UNWIND_COLUMN.
        (_Unwind_SetGR): Same.
        (_Unwind_GetGRPtr): New.
        (_Unwind_SetGRPtr): New.
        (uw_update_context_1): Use accesor functions instead of accessing
        context->reg[] directly.
        (uw_install_context_1): Same.
        (execute_cfa_program): Same.
        (__frame_state_for): Same.

        * config/rs6000/rs6000.c (spe_synthesize_frame_save): Use 1200 as
        the synthetic register offset.

        * config/rs6000/rs6000.h (DWARF_REG_TO_UNWIND_COLUMN): New.

2003-03-11  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.md: Remove lingering EGCS reference.
        ("*extopqihi_side_biap"): For HI operation, match
        cris_additive_operand_extend_operator, not
        cris_operand_extend_operator.  Adjust condition.
        ("*extopqihi_side", "*extopqihi"): Ditto.
        ("*extopqisi_side_biap"): Correct operand numbers in condition.
        ("*extophisi_side_biap", "*extopqisi_swap_side_biap"): Ditto.
        ("*extophisi_swap_side_biap", "*extopqisi_swap"): Ditto.
        ("*extophisi_swap"): Ditto.
        ("*extopqihi_swap_side_biap"): For HI operation, match a simple
        PLUS, not cris_operand_extend_operator.  Adjust condition and
        output template.
        ("*extopqihi_swap_side", "*extopqihi_swap"): Ditto.
        * config/cris/cris.h (PREDICATE_CODES): Add
        cris_additive_operand_extend_operator.
        * config/cris/cris.c (cris_additive_operand_extend_operator):
        New predicate.

2003-03-11  Hartmut Penner  <hpenner@de.ibm.com>

        * df.c (read_modify_subreg_p): Change from static to global.
        * df.h (read_modify_subreg_p): Add prototype.
        * sched-deps.c (sched_analyze_1): Generate true dependency for
        strict_low_part, certain subregs and zero/sign_extract.

2003-03-11  Neil Booth  <neil@daikokuya.co.uk>

        * Makefile.in: Update.
        * c-common.c: Don't include real.h or except.h.
        (REGISTER_PREFIX): Remove.
        (builtin_define_std, builtin_define_with_value,
        builtin_define_with_int_value, builtin_define_with_hex_fp_value,
        builtin_define_type_max, builtin_define_type_precision,
        builtin_define_float_constants): Move to c-cppbuiltin.c.
        (c_stddef_cpp_builtins): New.
        * c-common.h (builtin_define_with_value, c_stddef_cpp_builtins): New.
        * c-cppbuiltin.c: New, extracted from c-common.c.
        (define__GNUC__): New.
        * cppspec.c (lang_specific_driver): Remove support of -no-gcc.
        * gcc.c: Remove support of %v1, %v2 and %v3 specs.
        (cpp_unique_options): Don't support no-gcc.
        (do_spec_1): Remove support of version specs.
        * doc/invoke.texi: Remove documentation of %v1, %v2 and %v3.
        * doc/passes.texi: Update.
        * doc/tm.texi: Update.

2003-03-10  Aldy Hernandez  <aldyh@redhat.com>

        * dwarf2out.c (multiple_reg_loc_descriptor): Fix thinko.

2003-03-10  Andrew Pinski  <apinski@apple.com>

        * config/darwin.c (machopic_function_base_name): If dynamic-no-pic
        is on should not get here.
        (machopic_indirect_data_reference): If dynamic-no-pic is on just
        generate high/low parts of the address.
        (machopic_legitimize_pic_address): Change MACHOPIC_PURE to
        MACHOPIC_INDIRECT. Dynamic-no-pic uses 0 as the pic base. Generate
        symbol and labels with a new reg.  Dynamic-no-pic does not have a
        pic_offset_table_rtx.
        (machopic_select_section): Change references of flag_pic to
        MACHOPIC_INDIRECT.
        (machopic_asm_out_destructor): Likewise.
        * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Change
        reference of flag_pic to MACHOPIC_INDIRECT.
        (MACHO_DYNAMIC_NO_PIC_P): Define as TARGET_DYNAMIC_NO_PIC.
        (MACHOPIC_INDIRECT): Is also true when dynamic-no-pic is on.
        (MACHOPIC_JUST_INDIRECT): Is also true when dynamic-no-pic is on.
        (MACHOPIC_PURE): Is not pure when dynamic-no-pic is on.
        * config/i386/darwin.h (MASK_MACHO_DYNAMIC_NO_PIC): Define as
        0 for right now as dynamic-no-pic is not implemented on Darwin/ia32.
        * config/rs6000/darwin.h (MASK_MACHO_DYNAMIC_NO_PIC): Define.
        (TARGET_DYNAMIC_NO_PIC): Define.
        (SUBTARGET_SWITCHES): Define, have sub-target switches for
        dynamic-no-pic.
        (SUBTARGET_OVERRIDE_OPTIONS): Move check for -fpic from
        rs6000_override_options to here. Dynamic-no-pic overrides
        pic.
        (CC1_SPEC): Change from not static then pic to not static and not
        dynamic-no-pic then pic.
        * config/rs6000/rs6000.c (rs6000_override_options): Move the
        check for -fpic and DARWIN_ABI to config/rs6000/darwin.h
        (rs6000_legitimize_reload_address): Add case for loading floating in
        dynamic-no-pic.
        (rs6000_emit_move): Add case for dynamic-no-pic.  Change reference
        of flag_pic to MACHOPIC_INDIRECT.
        (secondary_reload_class): Conditional change the reference of
        flag_pic to MACHOPIC_INDIRECT.
        (rs6000_output_mi_thunk): Change reference of flag_pic to
        MACHOPIC_INDIRECT.
        (output_profile_hook): Likewise.
        (machopic_output_stub): Non-pure (dynamic-no-pic) is now supported.
        * config/rs6000/rs6000.md (movdf_low): Add the case for
        MACHO_DYNAMIC_NO_PIC_P.
        (call): Change references for flag_pic in TARGET_MACHO to
        MACHOPIC_INDIRECT.
        (SUBTARGET_OVERRIDE_OPTIONS): Add case where -fpic is on and
        -mdynamic-no-pic is on.  Also move case for -fpic from rs6000.c.
        * doc/invoke.texi (-mdynamic-no-pic): Document.

2003-03-10  Devang Patel  <dpatel@apple.com>

        PR c++/9394
        * gcc.c (DEFAULT_SWITCH_TAKES_ARG): Remove.
        (DEFAULT_WORD_SWITCH_TAKES_ARG): Remove.
        * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Add.
        (DEFAULT_WORD_SWITCH_TAKES_ARG): Add.
        * cppspec.c (DEFAULT_SWITCH_TAKES_ARG): Remove.
        (DEFAULT_WORD_SWITCH_TAKES_ARG): Remove.

2003-03-10  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        PR optimization/7189
        * toplev.c (rest_of_compilation):  Move
        check_function_return_warnings up to just after
        delete_unreachable_blocks.

2003-03-10  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.h (HARD_REGNO_RENAME_OK): Define.
        * config/m68hc11/m68hc11-protos.h (m68hc11_hard_regno_rename_ok):
        Declare.
        * config/m68hc11/m68hc11.c (m68hc11_hard_regno_rename_ok): New function
        for reg rename optimization to avoid using Z and Y registers.

2003-03-10  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.md ("*addhi3_68hc12"): Accept any constant
        when adding to X and Y since leax/leay are fast.
        ("*addhi3"): Accept 'I' constraint when adding to address register.
        ("rotlhi3"): Operand 1 must be a register_operand.
        (peephole2): New peephole to optimize some adds.
        * config/m68hc11/m68hc11.h (CONST_OK_FOR_LETTER_P): Use 'I' constraint
        to represent -2 .. 2 small integer range.

2003-03-10  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c (m68hc11_gen_rotate): Set carry before
        each 16-bit rotation.

2003-03-10  Zack Weinberg  <zack@codesourcery.com>

        * c-opts.c (add_prefixed_path): Don't use concat.  When
        prefixing with cpp_GCC_INCLUDE_DIR, copy only the first
        cpp_GCC_INCLUDE_DIR_len characters.

2003-03-10  Segher Boessenkool  <segher@koffie.nl>

        * testsuite/gcc.dg/altivec-9.c: New file.

        * config/rs6000/rs6000.c (altivec_frame_fixup): Remove.
        (rs6000_emit_prologue): Use rs6000_frame_related instead.

2003-03-10  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/spe.h: Define __ev64_*64__ to use single element
        vectors.
        (__ev_convert_u64): Remove macro.  Define as inline.
        (__ev_convert_s64): Same.

2003-03-10  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.h (DWARF_FRAME_REGISTERS): Define.
        (rs6000_stack_t): Add spe_64bit_regs_used.

        * config/rs6000/rs6000.c (rs6000_stack_info): Calculate
        spe_64bit_regs_used, and use it to determine the size of the
        frame.
        (spe_func_has_64bit_regs_p): New.
        (spe_synthesize_frame_save): New.
        (rs6000_frame_related): Handle SPE synthetic registers.
        (rs6000_emit_prologue): Only save in 64-bits if the function used
        any registers in 64-bit mode.
        (rs6000_emit_epilogue): Same, but for restore.

2003-03-10  Richard Earnshaw  <rearnsha@arm.com>

        * arm.h (enum floating_point_type): Delete.  Replace with...
        (enum fputype): ... new.
        (FPUTYPE_DEFAULT): Renamed from FP_DEFAULT.  Values reworked.
        * linux-elf.h (FPUTYPE_DEFAULT): Likewise.
        * arm.md (attr fpu): Reworked for new underlying enum values.
        * arm.c (arm_fpu_arch): Now enum fputype.
        (arm_fpu_tune): Renamed from arm_fpu.  Now enum fputype.
        (arm_override_options, arm_output_epilogue, arm_expand_prologue):
        Update uses of arm_fpu_arch and arm_fpu_tune.

2003-03-10  Josef Zlomek  <zlomekj@suse.cz>

        * cfgcleanup.c (outgoing_edges_match): Compare the jump tables.
        (try_crossjump_to_edge): Replace refereces to one jump table by
        references to identical jump table.
        * loop.c (load_mems): Moved setting the JUMP_LABEL to replace_label.
        (replace_label): Moved to rtlanal.c.
        (struct rtx_pair): Moved to rtl.h.
        * rtl.h (struct rtx_pair): Moved from loop.c.
        (replace_label): New extern function.
        (subrtx_p): New extern function.
        (tablejump_p): New extern function.
        * rtlanal.c (replace_label): Moved from loop.c.
        (subrtx_p_1): New static function.
        (subrtx_p): New function.
        (tablejump_p): New function.

2003-03-10  Jan Hubicka  <jh@suse.cz>

        * cfgcleanup.c (try_optimize_cfg): Fix thinko in previous patch.

        * cfgcleanup.c (merge_blocks): Return where to iterate next.
        (try_optimize_cfg): Use return value of merge_blocks

2003-03-10  Michael Matz  <matz@suse.de>

        * cfg.c (unchecked_make_edge): New.
        (cached_make_edge): Use it.
        * basic-block.h (unchecked_make_edge): Declare.
        * cfglayout.c (cfg_layout_duplicate_bb): Use it.

2003-03-10  Richard Earnshaw  <rearnsha@arm.com>

        * fpa.md: New file.  Move all patterns relating to FPA co-processor
        to here...
        * arm.md: ... from here.
        (cirrus.md, fpa.md): Include at end of description.
        (divsf3, divdf3, modsf3, movdf3, sqrtsf2, sqrtdf2): New expands.
        (pic_load_addr_based): Remove register constraint from expander.
        (seq, sne, sgt, sle, slt, sge, sgeu, sleu, sgtu, sltu, sunordered)
        (sordered, sungt, sunle, sunge, sunlt): Likewise.
        (eh_epilogue, tablejump): Likewise.

2003-03-09  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree.c (substitute_in_expr, case 'e'): Only make recursive call
        on operands if it has a PLACEHOLDER_EXPR.

2003-03-09  David Edelsohn  <edelsohn@gnu.org>
            Mostafa Hagog

        * config/rs6000/rs6000.md (movsi_update1): Add TARGET_UPDATE final
        condition.

2003-03-09  Neil Booth  <neil@daikokuya.co.uk>

        * config/frv/frv.h: Use TARGET_CPU_CPP_BUILTINS, not CPP_PREDEFINES.
        * config/ip2k/ip2k.h: Similarly.
        * config/m32r/m32r.h: Similarly.
        * config/m68hc11/m68hc11.h: Similarly.
        * config/mn10200/mn10200.h: Similarly.
        * config/mn10300/mn10300.h: Similarly.
        * config/pdp11/pdp11.h: Similarly.
        * config/v850/v850.h: Similarly.
        * config/rs6000/vxworks.h: Similarly for TARGET_OS_CPP_BUILTINS.
        * config/v850/retms.h: Similarly for TARGET_OS_CPP_BUILTINS.
        * config/mips/iris3.h: Remove #if 0 block.

2003-03-09  Roger Sayle  <roger@eyesopen.com>
            Joern Rennecke <joern.rennecke@superh.com>

        * gcc.c (do_spec_1) ['{']: Revert 2003-02-24 patch.  Don't handle
        pending argument upon return from handle_braces here.
        (do_spec_2): Instead handle it upon return from do_spec_1 here.

2003-03-09  Roger Sayle  <roger@eyesopen.com>
            Joern Rennecke <joern.rennecke@superh.com>

        * gcc.c (do_spec_1) ['{']: Revert 2003-02-24 patch.  Don't handle
        pending argument upon return from handle_braces here.
        (do_spec_2): Instead handle it upon return from do_spec_1 here.

2003-03-09  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * varasm.c (make_decl_one_only): Use declare_weak().

2003-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/9986
        * c-common.c (c_common_nodes_and_builtins): Initialize target builtins
        after the common builtins.
        * pa-hpux.h (DONT_HAVE_FPUTC_UNLOCKED): Define.
        * pa.c (TARGET_INIT_BUILTINS): Define.
        (pa_init_builtins): New function.

        * pa.md (call, call_value, sibcall, sibcall_value): When sufficient
        space has been allocated for the outgoing arguments, set the arg
        pointer for a call emitted after virtuals have been instantiated
        using the stack pointer offset, otherwise abort.

2003-03-09  DJ Delorie  <dj@redhat.com>

        * config/stormy16/stormy16.h (DWARF_LINE_MIN_INSTR_LENGTH): Revert.

2003-03-09  Richard Earnshaw  <rearnsha@arm.com>

        * arm.md (fix_truncsfsi2, fix_truncdfsi2, arm_fix_truncsfsi2)
        (arm_fix_truncdfsi2): Add missing fix in floating point mode before
        conversion to integer.
        * cirrus.md (cirrus_truncsfsi2, cirrus_truncdfsi2): Likewise.

2003-03-09  Roger Sayle  <roger@eyesopen.com>

        * builtins.def: Fix typo and improve grammar.
        * loop-unroll.c (decide_peel_completely): Tidy log message.

2003-03-09  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*tstsi_upper_bit): New.
        (*iorsi3_e2f): Likewise.

2003-03-08  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (h8300_and_costs): Return the number of
        assembly instructions needed.
        (h8300_shift_costs): Likewise.

2003-03-09  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/cris/aout.h (ENDFILE_SPEC): Undef.

        * optabs.c (gen_move_insn): Move logic for synthesizing MODE_CC
        moves from here ...
        * expr.c (emit_move_insn_1): ... to here.

        * config/cris/aout.h (CRIS_CPP_SUBTARGET_SPEC): Move -D__AOUT__ to...
        (TARGET_OS_CPP_BUILTINS): New macro.
        * config/cris/cris.h (CRIS_CPP_SUBTARGET_SPEC): Move -D__ELF__ to...
        (TARGET_OS_CPP_BUILTINS): New macro.
        (CPP_PREDEFINES): Don't define.  Move old definitions and...
        (CPP_SPEC): ...move -D__CRIS_ABI_version=2 to...
        (TARGET_CPU_CPP_BUILTINS): New macro.
        * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC): Move constant
        definitions and the optional __PIC__, __pic__ and
        __NO_UNDERSCORES__ definitions to...
        (TARGET_OS_CPP_BUILTINS): New macro.

        * flags.h (flag_leading_underscore): Declare.

        * c-opts.c (c_common_post_options): On fopen failure, return
        false, not NULL.

2003-03-08  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/cris/cris_abi_symbol.c: #include tconfig.h and tm.h, not
        config.h.
        * config/cris/cris.h (HAVE_GAS_HIDDEN): Don't define here.
        * config/cris/aout.h (HAVE_GAS_HIDDEN): Undef.

2003-03-08  Neil Booth  <neil@daikokuya.co.uk>

        * config/sh/rtemself.h (TARGET_OS_CPP_BUILTINS): Use instead of
        CPP_PREDEFINES.
        * config/sh/rtems.h (TARGET_OS_CPP_BUILTINS): Use instead of
        CPP_PREDEFINES.

2003-03-08  Neil Booth  <neil@daikokuya.co.uk>

        * c-common.h (c_common_init, c_common_post_options): Update.
        * c-objc-common.c (c_objc_common_init): Update for new prototype.
        * c-opts.c (saved_lineno): New.
        (c_common_post_options, c_common_init): Update prototypes,
        move call to cpp_read_main_file from latter to former.
        * c-tree.h (c_ojbc_common_init): Update.
        * langhooks-def.h (lhd_post_options): New.
        (LANG_HOOKS_INIT, LANG_HOOKS_POST_OPTIONS): Update.
        * langhooks.c (lhd_post_options): New.
        * langhooks.h (struct lang_hooks): Update post_options and init hooks.
        * toplev.c (no_backend): New.
        (process_options): Call post_options hook and set main_input_filename
        and input_filename here.
        (lang_dependent_init, do_compile): post_options hook moved to
        process_options.
        * objc/objc-act.c (objc_init): Update prototype.
        * objc/objc-act.h (objc_init): Update prototype.

2003-03-08  Roger Sayle  <roger@eyesopen.com>

        * emit-rtl.c (gen_lowpart): Don't attempt to load a part of
        a complex or vector type, using a load in the original mode.

2003-03-08  Jan Hubicka  <jh@suse.cz>

        * Makefile.in (cgraph.o): Depend on gt-cgraph.h and varray.h.
        * gt-cgraph.h: New GC file.
        * cgraph.c (known_fns): New static variable.
        (cgraph_node): Add the decl into varray.

2003-03-08  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.md ("*movcc_expanded"): Add missing alternatives.

2003-03-08  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (fpa_rhs_operand, fpa_add_operand, const_double_rtx_ok_for_fpa)
        (neg_const_double_ok_for_fpa, output_mov_long_double_fpa_from_arm)
        (output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm)
        (output_mov_double_arm_from_fpa): Renamed to use fpa instead of fpu.
        All callers changed.
        * arm.md, arm.h, arm-protos.h: Updated.

        * arm.h (enum reg_class FPA_REGS): Renamed from FPU_REGS.
        (CLASS_MAX_NREGS, REGISTER_MOVE_COST, REG_CLASS_FROM_LETTER): Updated.
        * arm.c (arm_regno_class, f_register_operand): Updated.

2003-03-08  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/cris/cris.h: Remove EGCS references.
        (CPP_SPEC): Remove "-$".
        (INIT_CUMULATIVE_ARGS): Adjust parameter name to FNDECL.

2003-03-08  Neil Booth  <neil@daikokuya.co.uk>

        * config/stormy16/stormy16.h (TARGET_CPU_CPP_BUILTINS): Use in
        preference to CPP_PREDEFINES.

2003-03-08  Neil Booth  <neil@daikokuya.co.uk>

        * cppinit.c (cpp_finish_options): Set first_unused_line to -1.

2003-03-08  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*extzv_16_8): New.

2003-03-08  Jan Hubicka  <jh@suse.cz>

        * c-decl.c: (finish_function): Update call of tree_inlinable_function_p.
        * cgraph.h: (cgraph_local_info): Add can_inline_once
        (cgraph_global_info): Add inline_once.
        (cgraph_node): Add previous.
        (cgraph_remove_node): New.
        * cgraphunit.c (cgraph_mark_functions_to_inline_once): New static
        function.
        (cgraph_optimize): Call it.
        (cgraph_finalize_function):  Set inlinable flags.
        (cgraph_finalize_compilation_unit):  Actually remove the reclaimed nodes.
        (cgraph_mark_functions_to_output):  Use new inlining heuristics flags.
        (cgraph_expand_function): Likewise.
        * cgraph.c
        (cgraph_node): Put nodes into doubly linked chain.
        (cgraph_remove_node): New function.
        * flags.h (flag_inline_functions_called_once): Declare.
        * tree-inline.c: Include cgraph.h
        (inlinable_functions_p): Add extra argument to bypass limits.
        (expand_call_inline):  Obey cgraph flag.
        * tree-inline.h (tree_inlinable_function_p): Update prototype.

2003-03-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * gcse.c (bypass_block, bypass_conditional_jumps): Do not create
        irreducible loops.

        * loop-unroll.c (unroll_loop_runtime_iterations): Update irreducible
        loops info correctly.

2003-03-08  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR middle-end/7796
        * unroll.c (calculate_giv_inc): Handle constants being
        loaded with LSHIFTRT.

2003-03-07  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (processor_target_table): Do not disable
        GP optional instructions on Power3, Power4, 620, and 630.

2003-03-07  Kazu Hirata  <kazu@cs.umass.edu>

        * calls.c: Fix comment formatting.
        * cfgloopanal.c: Likewise.
        * cfgloopmanip.c: Likewise.
        * combine.c: Likewise.
        * dwarf2out.c: Likewise.
        * ggc-common.c: Likewise.
        * langhooks.c: Likewise.
        * loop-unroll.c: Likewise.
        * loop.c: Likewise.
        * ra-build.c: Likewise.
        * sbitmap.c: Likewise.
        * toplev.c: Likewise.

2003-03-07  James E Wilson  <wilson@tuliptree.org>

        * config/sh/sh.h (HARD_REGNO_NREGS): Round up the XD register count.

2003-03-07  Geoffrey Keating  <geoffk@apple.com>

        * objc/lang-specs.h (objective-c-header): Use .gch not .pch;
        support -no-integrated-cpp.

        * c-pch.c (get_ident): Use c_language_kind and flag_objc rather
        than langhooks.name.

2003-03-07  Michael Matz  <matz@suse.de>

        * df.h (enum df_ref_flags.DF_REF_STRIPPED): New.
        (DF_FOR_REGALLOC): New.
        * df.c (df_ref_record): Set DF_REF_STRIPPED.
        (read_modify_subreg_p): Simplify.
        (df_def_record_1, df_uses_record): Set DF_REF_MODE_CHANGE more often.
        Use DF_FOR_REGALLOC.
        * ra.h (struct web): New member subreg_stripped.
        (invalid_mode_change_regs): Declare.
        * ra.c (invalid_mode_change_regs): New.
        (init_ra): Initialize it.
        * ra-build.c (init_one_web_common, remember_web_was_spilled): Use it.
        Use CANNOT_CHANGE_MODE_CLASS as ifdef guard.
        (reinit_one_web, parts_to_web_1): Deal with subreg_stripped.
        * ra-colorize.c (colorize_one_web): Use invalid_mode_change_regs.
        Use CANNOT_CHANGE_MODE_CLASS as ifdef guard.

2003-03-07  Richard Earnshaw  <rearnsha@arm.com>

        * arm.md (addsf3, adddf3, subsf3, subdf3, mulsf3, muldf3, negsf2)
        (negdf2, abssi2, abssf2, absdf2, floatsisf2, floatsidf2)
        (fix_truncsfsi2, fix_truncdfsi2, truncdfsf2): Moved back into main
        machine description file from ...
        * cirrus.md: ... here.

2003-03-06  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): Don't use
        reg_overlap_mentioned_p.

2003-03-06  Geoffrey Keating  <geoffk@apple.com>

        * c-pch.c: Include langhooks.h.
        (IDENT_LENGTH): New.
        (get_ident): New.
        (pch_ident): Delete.
        (pch_init): Use get_ident, IDENT_LENGTH.
        (c_common_valid_pch): Likewise.  Also, use actual language
        in warning message.
        * Makefile.in (c-pch.o): Add langhooks.h to dependencies.

        * objc/config-lang.in (gtfiles): Add objc-act.c.  Remove duplicate
        c-parse.in.
        * objc/Make-lang.in (objc/objc-act.o): Add dependency on
        gt-objc-objc-act.h.
        (gt-objc-objc-act.h): New rule.
        * objc/lang-specs.h: Support PCH.
        * objc/objc-act.c: Include gt-objc-objc-act.h.
        (objc_add_static_instance): Move num_static_inst out, mark for PCH.
        (build_selector_reference_decl): Move idx out, mark for PCH.
        (build_class_reference_decl): Likewise.
        (build_objc_string_decl): Move *_idx out, mark for PCH.
        (build_tmp_function_decl): Move xxx out, mark for PCH.

2003-03-06  Dale Johannesen  <dalej@apple.com>

        * config/rs6000/rs6000.c (rs6000_binds_local_p):  Consider
        global functions for inlining on Darwin.

2003-03-06  Vladimir Makarov  <vmakarov@redhat.com>

        * haifa-sched.c (schedule_block): Don't call reorder when sorting
        is prohibited.

2003-03-06  Neil Booth  <neil@daikokuya.co.uk>

        * Makefile.in (c-ppoutput.o): Update.
        * c-common.h (init_pp_output): New.
        (preprocess_file): Update.
        * c-lex.c (init_c_lex): Move mbchar initialization to cpplib.
        Register builtins.
        * c-opts.c (c_common_init): Call init_pp_output if preprocessing.
        Make call to cpp_read_main_file common to whether preprocessing
        or not.  Don't register builtins.
        * c-ppoutput.c: Include c-pragma.h.
        (setup_callbacks): Rename init_pp_output.
        (preprocess_file): No longer setup callbacks or call
        cpp_read_main_file.
        * cpphash.h (_cpp_init_mbchar): New.
        * cppinit.c (init_library): Call _cpp_init_mbchar.
        * cpplex.c (_cpp_init_mbchar): New.

2003-03-06  Roger Sayle  <roger@eyesopen.com>

        * emit-rtl.c (gen_lowpart): When requesting the low-part of a
        MEM, try loading the MEM into a register and taking the low-part
        of that, to help CSE see the use of the MEM in its true mode.

2003-03-05  Tom Tromey  <tromey@redhat.com>

        * config/stormy16/stormy16.h (DWARF_LINE_MIN_INSTR_LENGTH):
        Define.

2003-03-05  Nick Clifton  <nickc@cambridge.redhat.com>

        * config/stormy16/stormy16.md ("*eqbranchsi"): Remove '+' on
        operand 2.
        ("*ineqbranchsi"): Likewise.

2003-03-05  Andrew Haley  <aph@cambridge.redhat.com>

        * config/stormy16/stormy16.c (xstormy16_expand_prologue): Delete
        mem_fake_push_rtx.  Instead construct a SEQUENCE to show the
        register store followed by a stack increment.

2003-03-05  Chris Moller  <cmoller@redhat.com>

        * config/stormy16/stormy16.c (REG_NEEDS_SAVE): added a term
        to inhibit saving CARRY_REGS.

        * config/stormy16/stormy16.c (xs_hi_general_operand):
        added predicate to detect and error-out on out-of-range
        const_ints for movhi.
        * config/stormy16/stormy16.md (movhi): use
        xs_hi_general_operand.

        * config/stormy16/stormy16.c (xstormy16_expand_prologue):
        added a check for local vbl size overflow.
        * config/stormy16/stormy16.c (xs_hi_nonmemory_operand):
        added predicate to detect and error-out on out-of-range
        const_ints for addhi and subhi.
        * config/stormy16/stormy16.md (addhi3, addchi4, addchi5,
        subhi3, subchi4, subchi5): used xs_hi_nonmemory_operand.

        * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
        add a term to accept PRE_MODIFY addresses.
        * config/stormy16/stormy16.c (xstormy16_expand_move):
        add code to expand PRE_MODIFY addresses to an add followed
        by a move.

2003-03-06  Jason Merrill  <jason@redhat.com>

        * tree-inline.c (inlinable_function_p): Revert earlier change
        pending investigation.

2003-03-06  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a new peephole2): New.

2003-03-06  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_node): Do not confuse nested functions and methods.

2003-03-06  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * dwarf2out.c (size_of_die): Compute size of external reference to
        die correctly.

2003-03-06  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.md ("*movcc_expanded"): New pattern.
        ("movcc", "movcc_uns", "movcc_fp", "movcc_fpeq", "movcc_fun"): New
        expanders.

2003-03-05  Roger Sayle  <roger@eyesopen.com>

        * expr.h (lang_expand_expr): Delete obsolete prototype.

2003-03-05  Kazu Hirata  <kazu@cs.umass.edu>

        * emit-rtl.c (gen_highpart_mode): Fix a comment typo.

2003-03-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): Generalize to
        accept a memory operand.

2003-03-05  Olivier Hainque <hainque@act-europe.fr>

        * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Add '+'.
        * config/alpha/alpha.c (print_operand, case '+'): New.
        * config/alpha/alpha.md (call_osf_1_noreturn): Document and use.
        (call_value_osf_1_noreturn): Likewise.

2003-03-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * stmt.c (fixup_gotos): Change meaning of DONT_JUMP_IN.
        (expand_end_bindings): Likewise.

2003-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.md (return_external_pic): Add !TARGET_PA_20 to constraint.
        (epilogue): Don't generate return_external_pic when emitting PA 2.0
        code.

2003-03-05  Aldy Hernandez  <aldyh@redhat.com>

        * doc/tm.texi: Document TARGET_DWARF_REGISTER_SPAN.

        * config/rs6000/rs6000.c (rs6000_dwarf_register_span): New.

        * hooks.c (hook_rtx_rtx_null): New.

        * hooks.h (hook_rtx_rtx_null): Protoize.

        * target-def.h (TARGET_DWARF_REGISTER_SPAN): New macro.
        (TARGET_INITIALIZER): Add TARGET_DWARF_REGISTER_SPAN.

        * target.h (struct gcc_target): Add dwarf_register_span.

        * dwarf2out.c (multiple_reg_loc_descriptor): New.
        (one_reg_loc_descriptor): New.
        (reg_loc_descriptor): Add support for values that span more than
        one register.

2003-03-05  Jan Hubicka  <jh@suse.cz>

        * Makefile.in (calls.o, toplev.o alias.o): Depend on cgraph.h
        * alias.c:  Include cgraph.h
        (mark_constant_function): Use cgraph_rtl_info.
        * calls.c:  Include cgraph.h
        (flags_from_decl_or_type): Use cgraph_rtl_info to find pure and const
        calls.
        (expand_call): Use cgraph_rtl_info to set preferred stack boundary.
        * cgraph.c (cgraph_rtl_info): New function.
        * cgraph.h (cgraph_rtl_info): Declare
        (cgraph_rtl_info): Likewise.
        * function.h (struct function): Add recursive_call_emit.
        * toplev.c: Include cgraph.h.
        (rest_of_compilation): Set preferred_incoming_stack_boundary.

2003-03-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (output_simode_bld): Clear the
        destination first if possible.
        * config/h8300/h8300.md (extzv_1_r_h8300hs): Add an
        alternative.
        (extzv_1_r_inv_h8300hs): Likewise.

2003-03-05  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * basic-block.h (EDGE_IRREDUCIBLE_LOOP, EDGE_ALL_FLAGS): New.
        * cfg.c (dump_edge_info): Add EDGE_IRREDUCIBLE_LOOP flag dump.
        * cfgloop.c (flow_loop_free): Made global.
        (establish_preds): New static function.
        (flow_loop_tree_node_add): Handle subloops of added loop correctly.
        (get_loop_exit_edges): New.
        (verify_loop_structure): Verify EDGE_IRREDUCIBLE_LOOP flags.
        * cfgloop.h (flow_loop_free, get_loop_exit_edges, unloop): Declare.
        * cfgloopanal.c (mark_irreducible_loops): Mark edges in irreducible
        loops.
        * cfgloopmanip.c (loop_delete_branch_edge): Allow to test for
        removability of an edge.
        (fix_irreducible_loops): New static function.
        (find_path, remove_path): Add ability to remove enclosing loops.
        (unloop): New.
        (copy_bbs, duplicate_loop_to_header_edge): Use EDGE_IRREDUCIBLE_LOOP
        flags.
        * cfgrtl.c (verify_flow_info): Handle EDGE_IRREDUCIBLE_LOOP flag.
        * loop-unroll.c (peel_loops_completely): Do not duplicate loop if
        not neccessary.
        (decide_peel_completely, peel_loops_completely): Allow complete peeling
        of non-duplicable once rolling loops.
        * loop-unswitch.c (unswitch_loop): Update EDGE_IRREDUCIBLE_LOOP flags.

2003-03-05  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.h (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, the minimum value
        for align_jumps is 4.

        (SECONDARY_INPUT_RELOAD_CLASS): If reloading a PLUS into FPUL,
        use GENERAL_REGS.

2003-03-05  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.h (PAD_VARARGS_DOWN): Define and return
        according to va_arg type.
        (EXPAND_BUILTIN_VA_ARG): Remove.
        * config/m68hc11/m68hc11.c (m68hc11_va_arg): Remove.
        * config/m68hc11/m68hc11-protos.h (m68hc11_va_arg): Remove.

2003-03-05  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_variable_issue): Remove unnecessary
        else clauses.

2003-03-05  Michael Matz  <matz@suse.de>

        * i386/i386.c (ix86_save_reg): Also test
        current_function_uses_const_pool.

2003-03-05  Michael Matz  <matz@suse.de>

        * unwind.h: Add the GPL exception.
        * Makefile.in (USER_H): Add unwind.h.

2003-03-05  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR c/9799
        * c-typeck.c (push_init_level): Add sanity check.

2003-03-05  Jan Hubicka  <jh@suse.cz>

        * toplev.c (rest_of_compilation):  Deffer RTL compilation only when
        RTL inlining is done.

        * cgraphunit.c (cgraph_mark_local_functions): New local function.
        (cgraph_optimize): Mark local functions.
        * i386-protos.h (init_cumulative_args): Update prototype.
        * i386.c (init_cumulative_args): Use register passing convention for
        local functions.

        * cgraph.c (cgraph_global_info_ready): New global variable
        (cgraph_local_info, cgraph_global_info): New functions.
        * cgraph.h (struct cgraph_local_info, cgraph_global_info): New
        structures.
        (cgraph_local_info, cgraph_global_info, cgraph_global_info_ready):
        Declare.
        * cgraphunit.c (cgraph_finalize_function): Set inline_many.
        (cgraph_mark_functions_to_output): Use inline_many.
        (cgraph_expand_function): Free DECL_SAVED_TREE uncondtionally.
        (cgraph_expand_functions): Expand inline functions last.
        (cgraph_optimize): Do not emit uneeded functions.

2003-03-04  Steve Ellcey  <sje@cup.hp.com>

        * expr.c (convert_modes): Check for legal hard register.

2003-03-04  Tom Tromey  <tromey@redhat.com>

        * doc/sourcebuild.texi (Front End Directory): Document tags.
        * configure: Rebuilt.
        * configure.in (target_list): Added tags.
        * Makefile.in (TAGS): Depend on lang.clean.  Include subdirectory
        TAGS files by reference.
        * objc/Make-lang.in (objc.tags): New target.

2003-03-04  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * gcov-io.h (gcov_save_position, gcov_reserve_length, gcov_resync,
        gcov_skip, gcov_skip_string, gcov_write_unsigned, gcov_write_counter,
        gcov_write_string, gcov_read_unsigned, gcov_read_counter,
        gcov_read_string, gcov_write_length): Modified to enable reading/
        writing of whole .da file just once.
        (da_file_open, da_file_close, da_file_eof, da_file_error,
        da_file_position, da_file_seek, da_file_write, da_file_read): New
        functions.
        (actual_da_file, actual_da_file_position, actual_da_file_length,
        actual_da_file_buffer, actual_da_file_buffer_size): New static
        functions.
        * libgcov.c (gcov_exit): Modified to read/write the whole .da file at
        just once.


2003-03-04  Andreas Schwab  <schwab@suse.de>

        * config/m68k/m68k.c (m68k_output_function_prologue): Fix CFA
        offset without frame pointer.

2003-03-04  Steve Ellcey  <sje@cup.hp.com>

        * expr.c (expand_expr): Call promote_mode to set unsignedp.

2003-03-04  Daniel Jacobowitz  <drow@mvista.com>

        * configure.in: Don't always define TARGET_SYSTEM_ROOT.
        * configure: Regenerated.
        * gcc.c: Check whether TARGET_SYSTEM_ROOT is defined.

2003-03-04  Andreas Jaeger  <aj@suse.de>

        * configure.in: Check for <memcheck.h>.
        * configure: Regenerated.

        * config.in: Define HAVE_MEMCHECK_H.

        * ggc-common.c: Use <memcheck.h> if available instead of
        <valgrind.h>.
        * ggc-page.c: Likewise.
        * cppfiles.c: Likewise.

2003-03-04  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*extzv_8_8): Fix cc and lengths.

2003-03-04  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR c/9262
        * c-typeck.c (do_case): Attach the first case label to the SWITCH_BODY.
        (c_finish_case): Rechain the next statements to the SWITCH_STMT.

2003-03-04  Jan Hubicka  <jh@suse.cz>

        * doc/invoke.texi:  Document that unit-at-a-time is enabled for -O3
        * toplev.c (parse_options_and_default_flags): Enable flag_unit_at_a_time
        for -O3.

2003-03-04  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure.in: Delete three unused variables.  Move a variable
        definition closer to its use.  Simplify use_collect2 logic.  Start to
        organize.  Simplify tests for in-tree gas and ld.
        * configure: Regenerate.

2003-03-04  Neil Booth  <neil@daikokuya.co.uk>

        * Makefile.in: Update.
        * c-common.c (flag_no_line_commands, flag_no_output,
        flag_dump_macros, flag_dump_includes): New.
        * c-common.h (flag_no_line_commands, flag_no_output,
        flag_dump_macros, flag_dump_includes, preprocess_file): New.
        (init_c_lex): Update prototype.
        * c-lex.c (init_c_lex): Update prototype; move some code to
        c_common_init.
        * c-opts.c (preprocess_file): Subsume into c_common_init.
        (c_common_decode_option): Update flags.
        (c_common_init): Move code from preprocess_file and init_c_lex.
        (sanitize_cpp_opts): Update.
        * c-ppoutput.c: New, cppmain.c almost verbatim.
        * cpphash.h (struct printer): Remove.
        (struct cpp_reader): Remove print.
        * cpplib.h (dump_none, dump_only, dump_names, dump_definitions,
        cpp_preprocess_file): Remove.
        (struct cpp_options): Remove no_output, no_line_commands, dump_macros
        and dump_includes.
        * cppmain.c: Remove.
        * doc/passes.texi: Update.

2003-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * function.c (STACK_ALIGNMENT_NEEDED): New macro.  Default to 1.
        (assign_stack_local_1): Perform overall stack alignment only when
        STACK_ALIGNMENT_NEEDED is non-zero.
        * doc/tm.texi (STACK_ALIGNMENT_NEEDED): Document.

        * pa.c (compute_frame_size): Rename fsize to size.  Account for
        alignment to a word boundary before general register save block.  Only
        account for double-word alignment before floating point register save
        block if one or more are saved.  Don't allocate space for %r3 when
        frame pointer is needed.
        (hppa_expand_prologue): Include alignment to word boundary in local
        frame size.
        * pa.h (STARTING_FRAME_OFFSET): Define to 8 on both 32 and 64-bit ports.
        (STACK_ALIGNMENT_NEEDED): Define.

2003-03-04  Kevin Buettner  <kevinb@redhat.com>

        * dwarf2out.c (rtl_for_decl_location): Don't return NULL_RTX for
        global register variables.

2003-03-04  Alexandre Oliva  <aoliva@redhat.com>

        * reload.c (reload_adjust_reg_for_mode): New function.
        (subst_reloads): Call it.
        (operands_match_p): Adjust registers using HARD_REGNO_NREGS.
        * reload.h (reload_adjust_reg_for_mode): Declare.
        * reload1.c (emit_input_reload_insns, emit_output_reload_insns):
        Call it.

2003-03-03  James E Wilson  <wilson@tuliptree.org>

        * optabs.c (add_equal_note): Delete SUBREG_REG use.
        Fixes PR c/7872.

2003-03-03  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*ixorsi3_ashift_16): New.
        (*ixorsi3_lshiftrt_16): New.
        (*iorsi3_ashift_16): Remove.

2003-03-03  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*extzv_8_8): Use '?' to simplify the
        pattern.

2003-03-03  Geoffrey Keating  <geoffk@apple.com>

        * doc/install.texi (Specific): Update entry for powerpc-darwin.

2003-03-03  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.h (HAVE_AS_LTOFFX_LDXMOV_RELOCS): Default to 0.

2003-03-03  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_multipass_dfa_lookahead): Delete.
        (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Delete.
        (rs6000_variable_issue): Do not return negative value.
        (rs6000_issue_rate): Uniformly set issue rate to 1 for first
        scheduling pass.

2003-03-03  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * dwarf2out.c (dwarf2out_finish): Swap order of break_out_includes and
        prune_unused_types calls.

2003-03-03  Jason Merrill  <jason@redhat.com>

        * tree-inline.c (find_builtin_longjmp_call): Save and restore
        lineno and input_filename.
        (find_alloca_call): Likewise.
        (inlinable_function_p): Run the langhook earlier.

        * calls.c (compute_argument_addresses): Give the new MEMs a
        minimum alignment of PARM_BOUNDARY.

2003-03-03  J"orn Rennecke <joern.rennecke@superh.com>

        * config/sh/sh.h (EXTRA_SPECS): Add subtarget_asm_relax_spec and
        subtarget_asm_isa_spec.
        (SUBTARGET_ASM_RELAX_SPEC, SUBTARGET_ASM_ISA_SPEC): Define.
        (ASM_SPEC): Define as SH_ASM_SPEC.
        (SH_ASM_SPEC): New; take the role of ASM_SPEC, but safe from svr4.h.
        Use subtarget_asm_relax_spec and subtarget_asm_isa_spec.
        * config/sh/elf.h (ASM_SPEC): Use SH_ASM_SPEC.
        (SUBTARGET_ASM_ISA_SPEC): Undef / define.

        * sh.h (OVERRIDE_OPTIONS): Set default values for align_loops
        and align_jumps if not set.
        Force align_jumps to be at least 2.
        When relaxing, force align_functions to be at least the maximum of
        align_loops, align_jumps and 4.
        * sh.c (find_barrier, barrier_align): Honour align_jumps_log.
        (sh_loop_align): Honour align_loops_log.

        * sh.md (length attribute): Use prev_nonnote_insn instead of PREV_INSN
        to check for indirect_jump_scratch.
        (indirect_jump_scratch): Add second set.
        * sh.c (output_far_jump): Use prev_nonnote_insn instead of PREV_INSN
        when looking for indirect_jump_scratch.
        Extract scratch register taking new structure of indirect_jump_scratch
        into account.
        (gen_block_redirect): Set INSN_SCOPE for indirect_jump_scratch.

2003-03-03  Jan Hubicka  <jh@suse.cz>

        * calls.c (rtx_for_function_call): Take the address as an argument
        (expand_call): Do not modify the expression.

        * toplev.c (rest_of_compilation):  Avoid cfg_cleanup calls when not
        optimizing.

2003-03-03  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*ixorsi3_zext_hi): Restrict to
        TARGET_H8300H and TARGET_H8300S.

2003-03-03  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): New.

2003-03-03  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*extzv_8_8): Use shorter code when
        operands[0] and operands[1] are different.

2003-03-03  Kazu Hirata  <kazu@cs.umass.edu>

        * reload1.c (reload_cse_move2add): Remove variable success.

2003-03-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * ggc-common.c (ggc_rlimit_bound): Cast RLIM_INFINITY to avoid
        warnings.

2003-03-02  Richard Henderson  <rth@redhat.com>

        * configure.in (HAVE_AS_LTOFFX_LDXMOV_RELOCS): New ia64 test.
        * config.in, configure: Rebuild.
        * config/ia64/ia64.c (ia64_ld_address_bypass_p): Accept lo_sum.
        * config/ia64/ia64.md (load_symptr): Use high/lo_sum for the
        paired ldtoffx and ldxmov annotations.
        (load_symptr_internal1): Remove.
        (load_symptr_high, load_symptr_low): New.

2003-03-02  Neil Booth  <neil@daikokuya.co.uk>

        * c-incpath.c (add_path): Fix sysp assignment.

2003-03-02  Kurt Garloff  <garloff@suse.de>

        * params.def: Introduce parameter max-inline-insns-rtl for
        a separate limit for the RTL inliner.
        * params.h: Likewise.
        * integrate.c (function_cannot_inline_p): Use it.
        * toplev.c (decode_f_option): Set multiple parameters
        controlling inlining with -finline-limit.
        * params.def: Fix orthographic and typographic errors.
        * doc/invoke.texi: Document parameters controlling inlining
        and the way -finline-limit sets multiple of them.

        * tree.h (struct tree_decl): Introduce inlined_function_flag,
        recording whether the function became eligible for inlining
        by a compiler flag rather than the declaration.
        Provide DID_INLINE_FUNC macro to access it.
        * c-decl.c (grokdeclarator): Set DID_INLINE_FUNC.
        * cp/decl.c (grokfndecl): Likewise.
        * toplev.c (rest_of_compilation): Likewise.
        * cp/optimize (maybe_clone_body): Copy DID_INLINE_FUNC.
        * print-tree.c (print_node): Report it.
        * params.def: Introduce new max-inline-insns-auto limit.
        * params.h: Likewise.
        * tree-inline.c (inlinable_function_p): Apply it to functions
        with DID_INLINE_FUNC set.
        * toplev.c (decode_f_option): Initialize it from -finline-limit
        value.
        * doc/invoke.texi: Document new parameter.

2003-03-02  Geoffrey Keating  <geoffk@apple.com>

        * fix-header.c (read_scan_file): Don't reference simplify_path.

2003-03-02  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c (m68hc11_override_options): Don't enable
        min/max instructions by default as may result in reload errors.

2003-03-02  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.md ("mulqi3"): Allow address register to
        avoid reload problems; define split for it.

2003-03-02  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c (m68hc11_shift_operator): New function.
        * config/m68hc11/m68hc11-protos.h (m68hc11_shift_operator): Declare.
        * config/m68hc11/m68hc11.h (PREDICATE_CODES): Register.
        * config/m68hc11/m68hc11.md ("rotrhi3", "rotlhi3"): New patterns for
        rotatert and rotate.
        ("rotrhi3_const", "rotlhi3_const"): Rename of old 'rotrhi3' insns.
        ("*rotrhi3", "*rotlhi3"): New insn pattern for non-const rotatert.
        ("*rotrhi3_addr"): New split for shift insns on address register.
        ("*lshrhi3", "*ashrhi3", "*ashlhi3_2"): Use new split.
        * config/m68hc11/larith.asm (___rotlhi3): New asm function.
        (___rotrhi3): Likewise.
        * config/m68hc11/t-m68hc11-gas (LIB1ASMFUNCS): Build them.

2003-03-02  Neil Booth  <neil@daikokuya.co.uk>

        * toplev.c (aux_base_name): Moved from toplev.h.
        (filename): Constify.
        (lang_dependent_init): Don't duplicate name.
        (process_options): Set aux_base_name here, not...
        (do_compile): ...here.  Change protoype.
        (toplev_main): Move some code from do_compile.
        * toplev.h: Remove aux_base_name.

2003-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Add a prototype for
        iorxor_operator.
        * config/h8300/h8300.c (print_operand): Handle 'c'.
        (iorxor_operator): New.
        * config/h8300/h8300.h (PREDICATE_CODES): Add iorxor_operator.
        * config/h8300/h8300.md (*iorhi3_zext): Remove.
        (*iorsi3_zexthi): Likewise.
        (*iorsi3_zextsi): Likewise.
        (*xorhi3_zextqi): Likewise.
        (*xorsi3_zexthi): Likewise.
        (*xorsi3_zextsi): Likewise.
        (*ixorhi3_zext): New.
        (*ixorsi3_zext_qi): Likewise.
        (*ixorsi3_zext_hi): Likewise.

2003-03-02  Neil Booth  <neil@daikokuya.co.uk>

        * c-incpath.c (remove_component_p, simplify_path): Move back to
        cppfiles.c.
        (remove_duplicates): Use cpp_simplify_path.
        * c-incpath.h (simplify_path): Remove.
        * c-lex.c: Don't include c-incpath.h.
        (init_c_lex): Remove simplify_path.
        * cppfiles.c (remove_component_p, cpp_simplify_path): Restore.
        (find_or_create_entry, validate_pch): Revert.

2003-03-02  Ashif Harji  <asharji@uwaterloo.ca>

        * gcc.c (default_compilers): Add -no-integrated-cpp flag to invoke
          an external cpp during compilation.
        (option_map): Likewise.
        * objc/lang-specs.h (default_compilers): Similarly.
        * doc/invoke.texi: Document -no-integrated-cpp flag.

2003-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (zero_extendqisi2): Change to an
        expander.
        (*zero_extendqisi2_h8300): New.
        (*zero_extendqisi2_h8300hs): New.
        (two splitters): New.

2003-03-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * fp-bit.h (float_to_usi): Fix condition wrapping prototype.

2003-03-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): Remove dead code.

2003-03-01  Roger Sayle  <roger@eyesopen.com>

        PR c++/9367
        * builtin-types.def (DEF_FUNCTION_TYPE_VAR_3): New macro.
        (BT_FN_INT_CONST_STRING_VALIST_ARG,
        BT_FN_INT_STRING_CONST_STRING_VALIST_ARG,
        BT_FN_INT_CONST_STRING_CONST_STRING_VALIST_ARG,
        BT_FN_INT_STRING_SIZE_CONST_STRING_VALIST_ARG,
        BT_FN_INT_STRING_CONST_STRING_VAR,
        BT_FN_INT_CONST_STRING_CONST_STRING_VAR,
        BT_FN_INT_STRING_SIZE_CONST_STRING_VAR): New built-in types.
        * builtin-attrs.def (ATTR_NONNULL_1, ATTR_NONNULL_2,
        ATTR_NONNULL_3): Also include the nothrow attribute.
        (sprintf, scanf, sscanf, vprintf, vsprintf, snprintf,
        vsnprintf, vscanf, vsscanf): Don't define attributes here.
        * builtins.def (putchar, puts): Make full C89 built-ins.
        (snprintf, sprintf, scanf, sscanf, vprintf, vscanf,
        vsscanf, vsnprintf, vsprintf): New built-ins.
        * c-common.c (c_common_nodes_and_builtins): Handle new macro
        DEF_FUNCTION_TYPE_VAR_3.

        * doc/extend.texi: Document these new built-in functions.

2003-03-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): New.

2003-03-01  Richard Earnshaw  <rearnsha@arm.com>

        * predict.c (estimate_bb_frequencies): Correctly set
        real_values_initialized after initialization.

2003-03-01  Neil Booth  <neil@daikokuya.co.uk>

        * Makefile.in (C_AND_OBJC_OBJS, c-incpath.o, c-lex.o, LIBCPP_OBJS,
        cppinit.o, cppdefault.o, fix-header): Update.
        * c-incpath.c: New file.
        * c-incpath.h: New file.
        * c-lex.c: Include c-incpath.h.
        (init_c_lex): Register path simplifier.
        * c-opts.c: Include cppdefault.h and c-incpath.h.
        (TARGET_SYSTEM_ROOT, verbose, iprefix, sysroot, std_inc,
        std_cxx_inc, quote_chain_split, add_prefixed_path): New.
        (COMMAND_LINE_OPTIONS): Add more options from cpplib.
        (missing_arg, c_common_decode_option): Handle them.
        (c_common_post_options): Register include chains.
        (print_help): Update.
        * cppdefault.h (struct default include): Update.
        Move some macros to ...
        * cppdefault.c: ... here.
        (cpp_include_defaults): Add extra field add_sysroot.
        * cppfiles.c (include_file, search_from, find_or_create_entry,
        cpp_included, find_include_file, remap_filename): Update for
        renaming of search_path to cpp_path, and of the chain headers.
        (remove_component_p, _cpp_simplify_pathname): Move to c-incpath.c.
        * cpphash.h (struct search_path): Move to cpplib.h.
        (struct cpp_buffer, struct cpp_reader): Update.
        (_cpp_simplify_pathname): Remove.
        * cppinit.c: Don't include prefix.h and cppdefault.h.
        (INO_T_EQ, INO_T_COPY, path_include, append_include_chain,
        remove_dup_dir, remove_dup_nonsys_dirs, remove_dup_dirs,
        init_standard_includes, BRACKET, SYSTEM, AFTER, no_dir,
        no_pth, cpp_handle_options): Remove.
        (struct pending_option): Remove chain members.
        (cpp_destroy, cpp_read_main_file, COMMAND_LINE_OPTIONS,
        cpp_handle_option): Update.
        * cpplib.h (struct cpp_path, cpp_set_include_chains): New.
        (struct cpp_options): Remove quote_include, bracket_include,
        include_prefix, include_prefix_len, verbose, ignore_srcdir,
        no_standard_includes, no_standard_cplusplus_includes.
        (struct cpp_callbacks): Add simplify_path.
        (cpp_handle_options): Remove.
        * fix-header.c: Include c-incpath.h.
        (read_scan_file): Update to use c-incpath functionality.
        * doc/passes.texi: Update.

2003-03-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (bit_operand): Accept MEM only if it
        satisfies EXTRA_CONSTRAINT 'U'.

2003-03-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*tst_extzv_bitqi_1_n): Take a scratch
        register.
        (*tst_extzv_memqi_1_n): Change to a splitter.
        (a peephole2): Update.

2003-03-01  Richard Earnshaw  <rearnsha@arm.com>

        * predict.c (estimate_bb_frequencies): Initialize the sreal
        constants once per compilation.

2003-02-28  Richard Henderson  <rth@redhat.com>

        * toplev.c (flag_eliminate_unused_debug_types): Enable by default.

2003-02-28  scott snyder  <snyder@fnal.gov>

        * flags.h: Add flag_eliminate_unused_debug_types.
        * toplev.c: Add flag_eliminate_unused_debug_types.
        (f_options): Add -feliminate-unused-debug-types.
        * dwarf2out.c (struct file_table): Add emitted member.
        (splice_child_die): Fix the parent pointer for the child being
        spliced.
        (lookup_filename): Maintain file_table.emitted array.  Don't
        output .file directive here.
        (maybe_emit_file): (new)
        (init_file_table): Set up file_table.emitted.
        (dwarf2out_source_line): Use maybe_emit_file.
        (dwarf2out_start_source_file): Use maybe_emit_file.
        (dwarf2out_init): Use maybe_emit_file.
        (prune_unused_types_walk_attribs): (new)
        (prune_unused_types_mark): (new)
        (prune_unused_types_walk): (new)
        (prune_unused_types_prune): (new)
        (prune_unused_types): (new)
        (dwarf2out_finish): Call prune_unused_types if
        flag_eliminate_unused_debug_types is set.
        * doc/invoke.texi (Option Summary): Add
        -feliminate-unused-debug-types.
        (Debugging Options): Likewise.

2003-02-28  Geoffrey Keating  <geoffk@apple.com>

        * doc/invoke.texi: Change .pch to .gch.
        * cppfiles.c (open_file_pch): Likewise.
        * gcc.c (default_compilers): Likewise.

2003-02-28  Aldy Hernandez  <aldyh@redhat.com>

        * floatlib.c: Remove.

2003-02-28  Jason Merrill  <jason@redhat.com>

        * stor-layout.c (variable_size): Leave a "minus 1" outside the
        SAVE_EXPR.

2003-02-28  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/power4.md: Add compare bypass.

2003-02-28  Jason Thorpe  <thorpej@wasabisystems.com>

        * config/netbsd.h: Update copyright years.
        (NETBSD_CPP_SPEC): Define _REENTRANT and _PTHREADS if
        -pthread is specified on the command line.

2003-02-28  Dale Johannesen <dalej@apple.com>

        * loop.c (struct movable): Add insert_temp, shrink savemode.
        (scan_loop): Accept invariants that require copying; mark as
        insert_temp.
        (combine_movables): Don't combine insert_temp movables.
        (move_movables): Insert copies for insert_temp movables.
        Don't record the info based on regno for insert_temp's.

2003-02-28  Joel Sherrill <joel@OARcorp.com>

        PR 9638/other
        * config/i386/i386.c (DEFAULT_PCC_STRUCT_RETURN): Ensure the
        this constant defaults to 1.

2003-02-28  Bob Wilson  <bob.wilson@acm.org>

        * config.gcc (xtensa-*-linux*): Add t-slibgcc-elf-ver to tmake_file.

2003-02-28  Richard Earnshaw  <rearnsha@arm.com>

        * arm.md (mulhisi3, mulhisi3addsi, mulhidi3adddi): Enable for any
        ARMv5e processor, not just for XScale.  Instructions are predicable.
        (mulhisi3tb, mulhisi3bt, mulhisi3tt): New patterns for ARMv5e.

2003-02-28  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.c (note_invalid_constants): Change parameter type
        from bool to int.

2003-02-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*tst_extzv_bitqi_1_n): Accept the
        test of bit 7.
        (*tst_extzv_memqi_1_n): Likewise.
        (a peephole2): New.

2003-02-28  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (CRT_CALL_STATIC_FUNCTION): Wrap in
        #ifndef __mips16.

2003-02-28  Jan Hubicka  <jh@suse.cz>

        * combine.c (gen_lowpart_for_combine): Update handling of
        subregs_of_mode
        * flow.c (life_analysis, mark_used_regs): Likewise.
        * regclass.c (subregs_of_mode): Turn into single bitmap.
        (cannot_change-mode_set_regs, invalid_mode_change_p): Update
        dealing with subregs_of_mode
        * regs.h (subregs_of_mode): Update prototype.

2003-02-28  Josef Zlomek  <zlomekj@suse.cz>

        * emit-rtl.c (set_reg_attrs_for_parm): New function.
        * rtl.h (set_reg_attrs_for_parm): New exported function.
        * function.c (assign_parms): Use set_reg_attrs_for_parm instead of
        set_reg_attrs_from_mem.

2003-02-27  Roger Sayle  <roger@eyesopen.com>
            Zack Weinberg <zack@codesourcery.com>

        * gcc.c (do_spec_1):  Treat %U like %u for unique associations.

2003-02-27  Kazu Hirata  <kazu@cs.umass.edu>

        * reload1.c (sext_for_mode): Remove.
        (reload_cse_move2add): Use trunc_int_for_mode instead of
        sext_for_mode.
        (move2add_note_store): Likewise.
        Reset register information if we see a set in non-integer
        mode.

2003-02-27  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/aix43.h (ASM_SPEC): Only emit -mppc64 if no -mcpu
        option.
        (ASM_CPU_SPEC): Use -m620 for Power3, Power4, 620, 630.
        * config/rs6000/aix51.h: Same.
        * config/rs6000/aix52.h: Same.
        * config/rs6000/power4.md: Additional VMX bypasses.

2003-02-27   Geert Bosch <bosch@gnat.com>

        * toplev.c (print_version): Add indentation for GGC heuristics and
        output after printing version information.

2003-02-27  James E Wilson  <wilson@tuliptree.org>

        * combine.c (simplify_comparison): Require integral mode when
        permuting SUBREG with AND.

2003-02-27  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/hpux.h (STARTFILE_PREFIX_SPEC): Remove.

2003-02-27  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.md (extendsfdf2): Add pattern accidentally
        deleted when cirrus instructions were added.

2003-02-27  Jason Thorpe  <thorpej@wasabisystems.com>

        * config.gcc (*-*-netbsd[2-9]*, *-*-netbsdelf[2-9]*): Enable
        POSIX thread support by default.

2003-02-27  Roger Sayle  <roger@eyesopen.com>

        * config/i386/cygwin.h: Don't include any other files directly.
        * config/i386/mingw32.h: Don't include cygwin.h directly.
        * config.gcc (cygwin, mingw32, uwin): Instead make these files
        explicit in the tm_files variable.

2003-02-27  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.md: Add TI constant splitter.

2003-02-26  Alexandre Oliva  <aoliva@redhat.com>

        * builtins.c (purge_builtin_constant_p): Handle subreg of
        constant_p_rtx too.

        * function.c (assign_stack_local_1): Truncate constant added to
        frame_pointer_rtx or virtual_stack_vars_rtx for Pmode.

2003-02-26  David Edelsohn  <edelsohn@gnu.org>

        * config.gcc: Add power4 to PowerPC with_cpu list.

2003-02-26  Jan Hubicka  <jh@suse.cz>

        * objc-act.c: (mark_referenced_methods): Fix compilation problem.

2003-02-26  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * gcov-dump.c (print_prefix): Fix signedness warning.
        * gcov-io.h (struct counter_section, struct counter_section_data): New.
        (struct function_info): n_arc_counts field removed, n_counter_sections,
        counter_sections fields added.
        (struct gcov_info): arc_counts, n_arc_counts fields removed,
        n_counter_sections, counter_sections fields added.
        * libgcov.c (gcov_exit, __gcov_flush): Add support for multiple
        profile sections.
        * profile.h (MAX_COUNTER_SECTIONS): New.
        (struct section_info): New.
        (struct profile_info): count_instrumented_edges,
        count_edges_instrumented_now fields removed, n_sections, section_info
        fields added.
        (find_counters_section): Declare.
        * profile.c (struct function_list): count_edges field removed,
        n_counter_sections, counter_sections fields added.
        (set_purpose, label_for_tag, build_counter_section_fields,
        build_counter_section_value, build_counter_section_data_fields,
        build_counter_section_data_value, build_function_info_fields,
        build_function_info_value, build_gcov_info_fields,
        build_gcov_info_value): New static functions.
        (find_counters_section): New function.
        (instrument_edges, get_exec_counts, compute_branch_probabilities,
        branch_prob, create_profiler): Modified to support multiple profile
        sections.

2003-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (compute_frame_size): Don't assume PREFERRED_STACK_BOUNDARY
        is 8 * STACK_BOUNDARY.
        * pa.h (PREFERRED_STACK_BOUNDARY): Change to 128 on 64-bit port.

2003-02-26  Michael Matz  <matz@suse.de>

        * ra-colorize.c (merge_moves): Fix list handling.

2003-02-26  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.c (is_load_address): Rename to...
        (arm_memory_load_p) ... this and make it check for SUBREGs and
        constant loads that will be converted into loads from the
        minipool.
        (is_cirrus_insn): Rename to ...
        (arm_cirrus_insn_p): ... this, for consistency.  Replace test
        of CIRRUS_NO with CIRRUS_NOT.
        (cirrus_reorg): Use renamed functions.
        (note_invalid_constants): Change from a void function to bool.
        Add an extra parameter, saying whether the fixups should be
        pushed.  Return true if fixups are needed.
        (arm_reorg): Use renamed functions.  Use INSN_P.  Replace test
        of CIRRUS_NO with CIRRUS_NOT.
        * config/arm/arm.h (FLOAT_WORDS_BIG_ENDIAN): Mention that
        other floating point co-processors can also affect this.
        * config/arm/arm.md ("type" attribute): Add mav_farith and
        mav_dmult.  Replace references to "cirrus_type" attribute with
        "type".
        * config/arm/cirrus.md ("cirrus_fpu" attribute): Delete.
        ("cirrus_type" attribute): Delete - use "type" instead.
        ("cirrus" attribute): Replace 'no' with 'not' and 'yes' with
        'normal'.

2003-02-25  Jan Hubicka  <jh@suse.cz>

        * objc-act.c: Include cgraph.h
        (mark_referenced_methods): New function.
        (objc_init): Call it.
        * objc-lang.c (LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION): Set.

        * c-decl.c (finish_function): Honor can_defer_p even in unit-at-a-time
        mode.

        * optabs.c (expand_fix): Do not widen the input operand.

        * expr.c (emit_group_store):  Fix crash when converting single
        register into complex register.

        * Makefile.in (jump.o, regclass.o, alias.o): Add dependency on timevar.h
        * alias.c: Include timevar.h
        (init_alias_analysis):  Set timevar
        * jump.c: Include timevar.h
        (rebuild_jump_labels):  Set timevar
        * regcalss.c: Include timevar.h
        (reg_scan):  Set timevar
        * timevar.def (TV_ALIAS_ANALYSIS, TV_REG_SCAN, TV_REBUILD_JUMP): New

2003-02-26  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * cse.c (count_reg_usage): Fix handling of REG_EQUAL notes.

        * Makefile.in (loop-unroll.o): New.
        * cfgloop.h (UAP_PEEL, UAP_UNROLL, UAP_UNROLL_ALL): New.
        (unroll_and_peel_loops): Declare.
        * alias.c (init_alias_analysis): Flag_unroll_loops renamed to
        flag_old_unroll_loops.
        * loop.c (loop_invariant_p): Ditto.
        * unroll.c (unroll_loop): Flag_unroll_all_loops renamed to
        flag_old_unroll_all_loops.
        * flags.h (flag_unroll_loops): Renamed to flag_old_unroll_loops.
        (flag_unroll_all_loops): Renamed to flag_old_unroll_all_loops.
        * params.def (PARAM_MAX_UNROLLED_INSNS): Default value changed.
        (PARAM_MAX_AVERAGE_UNROLLED_INSNS, PARAM_MAX_UNROLL_TIMES,
        PARAM_MAX_PEELED_INSNS, PARAM_MAX_PEEL_TIMES,
        PARAM_MAX_COMPLETELY_PEELED_INSNS, PARAM_MAX_COMPLETELY_PEEL_TIMES,
        PARAM_MAX_ONCE_PEELED_INSNS): New.
        * toplev.h (flag_old_unroll_loops, flag_old_unroll_all_loops): New.
        (flag_unroll_loops, flag_unroll_all_loops): Used for new unroller
        instead of old one.
        (flag_peel_loops): New.
        (lang_independent_options): The new flags added.
        (rest_of_compilation): Call new unroller.
        (process_options): Setup flags for coexistence of old and new unroller.
        * doc/invoke.texi: Document new options.
        * doc/passes.texi: Document new unroller pass.

2003-02-26  David Billinghurst <David.Billinghurst@riotinto.com>

        * fixinc/fixincl.x: Regenerate

2003-02-26  Josef Zlomek  <zlomekj@suse.cz>

        * function.c (assign_parms): Set reg_attrs for parameters passed in
        registers.

2003-02-26  Alan Modra  <amodra@bigpond.net.au>

        PR target/9681
        * tlink.c (scan_linker_output): Drop leading '.' from symbol names.

2003-02-25  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/xcoff.h (ASM_FILE_START): Do not emit machine
        pseudo-op.

2003-02-25  Roger Sayle  <roger@eyesopen.com>

        * combine.c (combine_simplify_rtx, simplfy_comparison):  Use CC0_P.
        * cse.c (invalidate_skipped_set):  Likewise.
        * integrate.c (subst_constants):  Likewise.
        * jump.c (reversed_comparison_code_parts):  Likewise.
        * loop.c (canonicalize_condition):  Likewise.
        * simplify-rtx.c (simplify_relational_operation):  Likewise.

2003-02-25  Roger Sayle  <roger@eyesopen.com>

        * builtins.def (DEF_LIB_ALWAYS_BUILTIN, DEF_UNUSED_BUILTIN): Delete.
        (abs, labs, fabs, fabsf, fabsl, abort, exit, _exit, _Exit):  Use
        the appropriate macro to define built-in function.
        (fmod,fmodf,fmodl): New built-in functions.

        * doc/extend.texi (fmod,fmodf,fmodl): Document new built-ins.

2003-02-25  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (function_arg): Pass variable sized
        structures correctly on the stack.

2003-02-25  Kazu Hirata  <kazu@cs.umass.edu>

        * reload1.c (reload_cse_move2add): Use STRICT_LOW_PART if PLUS
        does not reduce the cost of SET.

2003-02-25  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        PR target/9732
        * config/rs6000/rs6000.c (first_reg_to_save): Handle
        PIC_OFFSET_TABLE_REGNUM for -fPIC too.
        (rs6000_emit_prologue): Likewise.
        (rs6000_emit_epilogue): Likewise.
        * config/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Make
        PIC_OFFSET_TABLE_REGNUM a fixed register for -fPIC.

2003-02-25  Richard Henderson  <rth@redhat.com>

        * real.c (real_to_integer2): Force overflow result only for
        unsigned overflow.

2003-02-25  Kazu Hirata  <kazu@cs.umass.edu>

        * gcse.c (cprop_jump): Revert the 2003-02-23 change.

2003-02-25  Vladimir Makarov  <vmakarov@toke.toronto.redhat.com>
            Richard Henderson  <rth@redhat.com>

        * sched-ebb.c (add_deps_for_risky_insns): Add the dependence when
        there is no similar load.

2003-02-25  Vladimir Makarov  <vmakarov@redhat.com>
            Richard Henderson  <rth@redhat.com>

        * sched-int.h (INSN_TRAP_CLASS, WORST_CLASS): Move them from
        sched-rgn.c.
        (add_forward_dependence): New function prototype.

        * sched-rgn.c (INSN_TRAP_CLASS, WORST_CLASS): Move them to
        sched-init.h.
        (CONST_BASED_ADDRESS_P, may_trap_exp, haifa_classify_insn): Move
        them to haifa-sched.c.

        * haifa-sched.c (CONST_BASED_ADDRESS_P, may_trap_exp,
        haifa_classify_insn): Move them from sched-rgn.c.

        * sched-deps.c (add_dependence): Return flag of creating a new
        entry.
        (add_forward_dependence): New function.
        (compute_forward_dependences): Use the function.

        * sched-ebb.c (earliest_block_with_similiar_load): New function.
        (add_deps_for_risky_insns): New function.
        (schedule_ebb): Call the function.

2003-02-20  Aldy Hernandez  <aldyh@redhat.com>

        * doc/tm.texi: Document Rename TARGET_VECTOR_TYPES_COMPATIBLE to
        TARGET_VECTOR_OPAQUE_P.  Document accordingly.

        * testsuite/gcc.dg/20030218-1.c: Check that initialization of
        opaque types fail.

        * c-typeck.c (comptypes): Change call to vector_types_compatible
        to vector_opaque_p.
        (convert_for_assignment): Call vector_opaque_p instead of
        vector_types_compatible.
        (really_start_incremental_init): Disallow initialization of opaque
        types.

        * target-def.h: Remove TARGET_VECTOR_TYPES_COMPATIBLE.
        Define TARGET_VECTOR_OPAQUE_P.
        (TARGET_INITIALIZER): Same.

        * target.h (struct gcc_target): Remove vector_types_compatible.
        Add vector_opaque_p.

        * config/rs6000/rs6000.c (rs6000_spe_vector_types_compatible):
        Remove.
        (is_ev64_opaque_type): Check for TARGET_SPE and make sure type is
        a vector type.  Change return type to bool.
        (TARGET_VECTOR_TYPES_COMPATIBLE): Remove.
        (TARGET_VECTOR_OPAQUE_P): Define.

        * cp/parser.c (cp_parser_init_declarator): Call vector_opaque_p
        target hook.
        Include target.h.
        (cp_parser_init_declarator): Fix typo in function comments.

2003-02-25  Jan Hubicka  <jh@suse.cz>

        * Makefile.in (lcm.o):  Add dependency on function.h
        * lcm.c (function.h): Include.
        * i386.c (machine_function, ix86_stack_locals,
        * ix86_save_varrargs_registers) : Move to
        ...
        * i386.h (machine_function, ix86_stack_locals,
        ix86_save_varrargs_registers): ... here; add optimize_mode_switching
        (ix86_optimize_mode_switching): New.
        * i386.md (fix patterns): Set ix86_optimize_mode_switching

2003-02-25  Nick Clifton  <nickc@redhat.com>

        * config/d30v/d30v.c (d30v_init_cumulative_args): Fix typo.  Name
        of fourth arg is 'fndecl' not 'indirect'.  Update comment
        describing the function's parameters.

2003-02-24  Jan Hubicka  <jh@suse.cz>

        * combine.c (simplify_shift_const):  Fix previous patch.

2003-02-24  Jeff Law  <law@redhat.com>

        * i386.md (testdi_1_rex64): Discourage reload from using the %eax
        alternative.
        (testsi_1, testhi_1, testqi_1): Likewise.

2003-02-24  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/alpha/osf.h (TARGET_OS_CPP_BUILTINS): Rename
        __EXTERN_PREFIX to __PRAGMA_EXTERN_PREFIX.
        * doc/extend.texi (Tru64 Pragmas): Reflect this.

        * fixinc/inclhack.def (alpha___extern_prefix): Indicate #pragma
        extern_prefix support for Tru64 UNIX V5 <sys/stat.h>.
        * fixinc/fixincl.x: Regenerate.
        * fixinc/tests/base/sys/stat.h [ALPHA___EXTERN_PREFIX_CHECK]: New
        testcase.
        Fixes PR c/5059, c/6126, other/9671.

2003-02-24  Roger Sayle  <roger@eyesopen.com>

        * gcc.c (do_spec_1) ['{']:  Handle pending argument upon return
        from handle_braces in "%{...}".

2003-02-24  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (TARGET_HAVE_TLS): Conditionally define.
        (prepare_move_operands): Handle TLS operands.
        (tls_symbolic_operand): New.
        (nonpic_symbol_mentioned_p): Handle TLS UNSPECs.
        (legitimize_pic_address): Do nothing for the TLS symbol.
        (sh_encode_section_info): Handle TLS case.
        (sh_strip_name_encoding): Drop TLS encoding.
        * config/sh/sh-protos.h (tls_symbolic_operand): Add prototype.
        * config/sh/sh.h (SH_TLS_ENCODING): Define.
        (TLS_SYMNAME_P, STRIP_TLS_ENCODING): Likewise.
        (ASM_OUTPUT_LABELREF): Drop TLS encoding.
        (OUTPUT_ADDR_CONST_EXTRA): Handle TLS UNSPECs.
        * config/sh/sh.md: Define TLS UNSPEC constants.
        (type): Add tls_load.
        ("tls_global_dynamic", "tls_local_dynamic"): New insns.
        ("sym2DTPOFF", "symDTPOFF2reg", "sym2GOTTPOFF"): New expanders.
        ("tls_initial_exec"): New insn.
        ("sym2TPOFF", "symTPOFF2reg"): New expanders.
        ("load_gbr"): New insn.

        * configure.in (HAVE_AS_TLS): Add sh-*-* and sh[34]*-*-* cases.
        * configure: Regenerate.

2003-02-24  Alan Modra  <amodra@bigpond.net.au>

        PR 9297, PR 9722
        * calls.c (store_one_arg): Revert 1999-02-16 change.  Revert
        2000-12-17 change.  Pass EXPAND_STACK_PARM to expand_expr.
        * expr.h (enum expand_modifier): Define EXPAND_STACK_PARM.
        (enum block_op_methods): Reorder for better store_expr optimization.
        * expr.c (store_expr): Test bit 1 of "want_value" for call param
        stores, test bit 0 for original want_value meaning.  Pass
        BLOCK_OP_CALL_PARM to emit_block_move when bit 1 set.  Adjust
        recursive calls, and calls to expand_param.
        (expand_expr): Handle EXPAND_STACK_PARM modifier.  When cse
        expected, set target to 0 rather than to subtarget.  Formatting.

2003-02-23  Kazu Hirata  <kazu@cs.umass.edu>

        * gcse.c (cprop_jump): Use the REG_EQUAL note if available.

2003-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * doc/invoke.texi (ggc-min-expand, ggc-min-heapsize): Document
        new default behavior.
        * ggc-common.c: Include sys/resource.h.
        (ggc_rlimit_bound): New function.
        (ggc_min_expand_heuristic, ggc_min_heapsize_heuristic): Update
        defaults to account for rlimits.

2003-02-22  Richard Henderson  <rth@redhat.com>

        * i386.c, i386.h (TUNEMASK): Rename from CPUMASK.

2003-02-22  Kelley Cook <kelley@dwhoops.info>

        * i386.h, i386.c, i386.md (ix86_tune): Rename from ix86_cpu.
        (ix86_tune_string): Rename from ix86_cpu_string.

2003-02-22  Kelley Cook <kelleycook@comcast.net>

        * config/i386/i386.c: Replace "mcpu" with "mtune".
        * config/i386/i386.h (TARGET_OPTIONS): Likewise.
        (CC1_CPU_SPEC): Likewise. New warning for "-mcpu".
        * doc/invoke.texi (i386 and x86-64 Options): Replace "mcpu"
        with "mtune".  Note that "mcpu" is a deprecated synonym for "mtune".

2003-02-23  Andreas Schwab  <schwab@suse.de>

        * config.gcc: Delete references to m68k/t-linux and
        m68k/t-linux-aout.
        * config/m68k/t-linux, config/m68k/t-linux-aout: Removed.

2003-02-22  Jan Hubicka  <jh@suse.cz>

        * toplev.c (rest_of_compilation):  Apply fotgotten hunk
        of track scheduling patch.

2003-02-22  Jan Hubicka  <jh@suse.cz>

        * config/linux.h (TARGET_HAS_F_SETLKW): Define.
        * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Likewise

2003-02-22  Jan Hubicka  <jh@suse.cz>

        * c-decl.c (c_expand_body_1): Fix.

2003-02-22  Jan Hubicka  <jh@suse.cz>

        * expmed.c (expand_divmod): Undo sign extensions for unsigned operands

        * cfgcleanup.c (try_forward_edges):  Don't check loop structures
        when not optimizing.
        (cleanup_cfg): Do not iterate trought delete_trivially_dead_insns
        when not expensive.
        * toplev.c (rest_of_compilation):  Duplicate loop headers only when
        optimizing;  Delete trivially dead insns early; fix optimize check.

        * Makefile.in (c-decl.o, c-objc-common.o, cgraph.o, tree-inline.o): Add
        dependency on cgraph.h
        * c-decl.c: Include cgraph.h
        (finish_function): Update call of tree_inlinable_function_p.
        * c-objc-common.c: Include cgraph.h
        * cgraph.h: New file.
        * cgraphunit.c: New file.
        * cgraph.c (cgraph_node, cgraph_edge): Move into cgraph.h
        (cgraph_nodes, cgraph_n_nodes): Globalize.
        (cgraph_finalize_function, cgraph_finalize_compilation_unit
        cgraph_create_edges, cgraph_optimize, cgraph_mark_needed_node):
        Move into cgraphunit.c
        * tree-inline.c: Include cgraph.h
        * tree-inline.c: Include cgraph.h

2003-02-22  Josef Zlomek  <zlomekj@suse.cz>

        * config/i386/i386.md: Use gen_lowpart instead of gen_rtx_REG
        for copying a register.

2003-02-22  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        PR other/3782
        * toplev.c (process_options): If flag_detailed_statistics is set,
        then set time_report as well.

        PR c/8828
        * jump.c (never_reached_warning): Don't fall through BARRRIER
        insns.  Update comments to reflect what the function really does.

2003-02-21  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (omit_one_operand): No longer static.
        * tree.h (omit_one_operand): Prototype here.
        (div_and_round_double): Keep fold-const.c prototypes together.
        * builtins.c (builtin_mathfn_code): Handle binary built-in
        funtions, such as "pow" and "atan2".
        (fold_builtin): Optimize both pow(x,0.0) and pow(1.0,y) to 1.0.
        Simplify optimizations using "type" the builtin's return type.

2003-02-22  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.c (cris_rtx_costs): Blockify dangling else.
        Fix functionalization typo.

        * regmove.c (optimize_reg_copy_1): Do not replace a hard register
        in an asm.

2003-02-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * Makefile.in (ggc-common.o): Depend on $(PARAMS_H)
        * doc/invoke.texi (ggc-min-expand, ggc-min-heapsize): Update
        documentation.
        * ggc-common.c: Include params.h
        (ggc_min_expand_heuristic, ggc_min_heapsize_heuristic,
        init_ggc_heuristics): New functions.
        * ggc.h (ggc_min_expand_heuristic, ggc_min_heapsize_heuristic,
        init_ggc_heuristics): Prototype.
        * toplev.c (print_version):  Output GGC heuristics.
        (parse_options_and_default_flags): Call init_ggc_heuristics.

2003-02-22  Jan Hubicka  <jh@suse.cz>

        * i386.c (def_builtin):  Special case 64bit builtins.
        (MASK_SSE164, MASK_SSE264): New constants.
        (builtin_description): Add 64bit builtins.
        (ix86_init_mmx_sse_builtins): Likewise.
        * i386.h (enum ix86_builtins): Likewise.
        * i386.md (cvtss2siq, cvttss2siq, cvtsd2siq, cvttsd2siq, cvtsi2sdq,
        sse2_movq2dq_rex64, sse2_movsq2q_rex64): New.
        (sse2_movq2dq, sse2_movsq2q): Disable for 64bit.
        * mmintrin.h (_mm_cvtsi64x_si64, _mm_set_pi64x, _mm_cvtsi64_si64x): New.
        * xmmintrin.h (_mm_cvtss_si64x, _mm_cvttss_si64x, _mm_cvtsi64x_ss,
        _mm_set_epi64x, _mm_set1_epi64x, _mm_cvtsd_si64x, _mm_cvttsd_si64x,
        _mm_cvtsi64x_sd, _mm_cvtsi64x_si128, _mm_cvtsi128_si64x): New.

2003-02-22  Jan Hubicka  <jh@suse.cz>

        * i386.c (builtin_description): Add __builtin_ia32_paddq and
        __builtin_ia32_psubq. Fix __builtin_ia32_paddq128
         and __builtin_ia32_psubq128.
        * i386.h (IX86_BUILTIN_PADDQ, IX86_BUILTIN_PSUBQ): New.
        * i386.md (addv*, mmx_ior*, mmx_xoe*, mmx_and*): Add missing '%'.
        (mmx_adddi3, mmx_subdi3): New.
        * mmintrin.h (_mm_add_si64, _mm_sub_si64): New.
        * xmmintrin.h (_mm_movepi64_pi64): New.
        (_mm_add_epi64, _mm_sub_epi64): fix.
        (_mm_mul_pu16): Rename to...
        (_mm_mul_su32): ... this one.

        * builtins.c (expand_builtin_expect):  Do not predict
        flag_guess_branch_prob is not set.
        * c-semantics.c (expand_stmt): Likewise.
        * predict.c (predict_insn): Likewise.
        * stmt.c (expand_continue_loop): Likewise.
        * toplev.c (rest_of_compilation): Do not call
        note_prediction_to_br_prob and note_prediction_to_br_prob
        when not optimizing.

2003-02-21  Jan Hubicka  <jh@suse.cz>

        * cfgrtl.c (commit_edge_insertions):  Call
        find_many_sub_basic_block only when some code has been emitted.
        (commit_edge_insertions_watch_calls): Bring into sync with
        commit_edge_insertions

2003-02-21  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.h (OVERRIDE_OPTIONS): Fix code that clears 'e' register class.

        * sh.md (binary_sf_op): Use extra constant operand instead of
        negating constant operand 4.
        * sh.c (sh_expand_binop_v2sf): Supply it.

2003-02-21  Zack Weinberg  <zack@codesourcery.com>

        * cpphash.h (struct lexer_state): Add directive_wants_padding.
        * cpplib.c (_cpp_handle_directive): Set directive_wants_padding
        for directives of type INCL.
        (glue_header_name, parse_include): Use get_token_no_padding.
        * cppmacro.c (replace_args): If directive_wants_padding,
        provide padding tokens.

2003-02-21  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): New.

2003-02-21  Jan Hubicka  <jh@suse.cz>

        * cfgrtl.c (commit_one_edge_insertion): Only mark BB for splitting.
        (commit_edge_insertions): Call find_many_sub_basic_blocks

        * reg-stack.c (convert_regs): Cleax aux for blocks.

2003-02-21  Jan Hubicka  <jh@suse.cz>

        * toplev.c (parse_options_and_default_flags): Undo accidental commit.

2003-02-21  Glen Nakamura  <glen@imodulo.com>

        PR optimization/8613
        * builtins.c (expand_builtin): Emit postincrements before expanding
        builtin functions.

2003-02-21  Ben Elliston  <bje@redhat.com>

        PR other/5634
        * doc/install.texi (Configuration): Explain using $HOME instead of
        the ~ metacharacter when referring to home directories.

2003-02-20  Alexandre Oliva  <aoliva@redhat.com>

        * configure.in (TARGET_SYSTEM_ROOT): Set default to
        ${exec_prefix}/${target_alias}/sys-root.  Match explicit
        '${exec_prefix}' (in addition to the expansion thereof) as
        relocatable.
        * configure: Rebuilt.

2003-02-20  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (addhi3_incdec): Change the name to
        *addhi3_incdec.
        (addsi3_incdec): Change the name to *addsi3_incdec.

2003-02-20  Roger Sayle  <roger@eyesopen.com>

        * explow.c (force_reg): Avoid useless REG_EQUAL notes.

2003-02-20  Toon Moene  <toon@moene.indiv.nluug.nl>

        PR fortran/9038
        * c-opts.c (sanitize_cpp_opts): Add Fortran front end
        options to be ignored.
        (c_common_decode_option): Ignore them when preprocessing.

2003-02-20  Jan Hubicka  <jh@suse.cz>

        * toplev.c (flag_sched2_use_superblocks, flag_sched2_use_traces): New
        global variables.
        (lang_independent_options):  Add -fsched2-use-superblocks
        -fsced2-use-traces.
        (rest_of_compilation): Deal with it.
        * invoke.texi (-fsched2-use-traces, fsched2-use-superblocks):  Declare.
        * flags.h (flag_sched2_use_superblocks, flag_sched2_use_traces):
        Declare.
        * rtl.h (reg_to_stack):  Update prototype.
        * reg-stack.c (reg_to_stack): Return when something has changed;
        update liveness when executing after superblock scheduling.

        * combine.c (simplify_shift_const):  Simplify few special cases
        into constants.

2003-02-20  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md: (attr "type"): Add fast_compare.
        (add.,subf.,neg.): Change attribute to fast_compare.
        All DFA descriptions updated.

2003-02-20  Nathan Sidwell  <nathan@codesourcery.com>

        Change base class access representation.
        * tree.h (TREE_VIA_PUBLIC, TREE_VIA_PROTECTED,
        TREE_VIA_PRIVATE): Remove.
        (BINFO_BASEACCESSES): New binfo elt.
        (BINFO_BASEACCESS): New accessor.
        (BINFO_ELTS): Increase.
        (TI_ACCESS_PUBLIC, TI_ACCESS_PROTECTED, TI_ACCESS_PRIVATE): New.
        (access_public_node, access_protected_node,
        access_private_node): New global nodes.
        * tree.c (build_common_tree_nodes_2): Initialize access nodes.
        * dbxout.c (dbxout_type): Adjust.
        * dwarf2out.c (gen_inheritance_die): Add access parameter.
        (gen_member_die): Adjust.
        * dwarfout.c (output_inheritance_die): ARG is array of two trees.
        (output_type): Adjust.
        * tree-dump.c (dequeue_and_dump): Adjust binfo dumping.

        Change base class access representation. Share virtual base
        binfos.
        * cp/call.c (build_special_member_call): Remove binfo_for_vbase
        call.
        * cp/class.c (build_base_path): Likewise.
        (build_primary_vtable): Adjust BINFO_NEW_VTABLE_MARKED use.
        (build_secondary_vtable): Remove FOR_TYPE arg. Adjust.
        (make_new_vtable): Adjust.
        (force_canonical_binfo_r): Delete.
        (force_canonical_binfo): Delete.
        (mark_primary_virtual_base): Delete.
        (dfs_unshared_virtual_bases): Delete.
        (mark_primary_bases): Adjust.
        (maybe_warn_about_overly_private_class): Adjust.
        (dfs_base_derived_from): Delete.
        (base_derived_from): Follow the inheritance chain.
        (struct find_final_overrider_data): Add vpath member.
        (dfs_find_final_overrider): Adjust.
        (dfs_find_final_overrider_q, dfs_find_final_overrider_post): New.
        (find_final_overrider): Adjust.
        (update_vtable_entry_for_fn): Adjust.
        (modify_all_vtables): Adjust.
        (walk_subobject_offsets): Adjust.
        (layout_nonempty_base_or_field): Adjust.
        (layout_empty_base): Remove last parameter. Adjust.
        (build_base_field): Adjust.
        (build_base_fields): Adjust.
        (propagate_binfo_offsets): Remove last parameter. Adjust.
        (dfs_set_offset_for_unshared_vbases): Delete.
        (layout_virtual_bases): Adjust.
        (finish_struct_1): Adjust.
        (init_class_processing): Don't init access nodes.
        (dfs_get_primary_binfo): Delete.
        (get_primary_binfo): Adjust.
        (dump_class_hierarchy_r): Remove most derived arg, add IGO
        parameter. Adjust.
        (dump_class_hierarchy): Adjust.
        (finish_vtbls): Adjust.
        (get_original_base): Delete.
        (build_vtt_inits): Adjust.
        (dfs_build_secondary_vptr_vtt_inits): Adjust.
        (dfs_ctor_vtable_bases_queue_p): Adjust.
        (build_ctor_vtbl_group): Adjust.
        (dfs_accumulate_vtbl_inits): Adjust.
        (build_vtbl_initializer): Adjust.
        (build_vbase_offset_vtbl_entries): Adjust.
        (add_vcall_offset_vtbl_entries_1): Adjust.
        * cp/cp-tree.h (CPTI_ACCESS_*): Remove.
        (access_*_node): Remove.
        (CANONICAL_BINFO): Delete.
        (BINFO_UNSHARED_MARKED): Remove.
        (BINFO_MARKED): Set LANG_FLAG_0 directly.
        (SET_BINFO_MARKED, CLEAR_BINFO_MARKED): Delete.
        (BINFO_VTABLE_PATH_MARKED): Set LANG_FLAG_3 directly.
        (SET_BINFO_VTABLE_PATH_MARKED, CLEAR_BINFO_VTABLE_PATH_MARKED):
        Delete.
        (BINFO_NEW_VTABLE_MARKED): Set LANG_FLAG_4 directly.
        (SET_BINFO_NEW_VTABLE_MARKED): Adjust.
        (SET_BINFO_PUSHDECLS_MARKED, CLEAR_BINFO_PUSHDECLS_MARKED):
        Delete.
        (BINFO_DEPENDENT_BASE_P): New.
        (dfs_walk, dfs_walk_real): Queue function takes derived binfo and
        index.
        (markedp, unmarkedp): Adjust.
        (dfs_unmarked_real_bases_queue_p, dfs_marked_real_bases_queue_p,
        dfs_skip_vbases, marked_vtable_pathp, unmarked_vtable_pathp,
        find_vbase_instance, binfo_for_vbase): Delete.
        (copied_binfo, original_binfo): Declare.
        (finish_base_specifier): Add virtual_p arg.
        (unshare_base_binfos): Delete.
        (copy_base_binfos): Declare.
        (reverse_path): Delete.
        * cp/decl.c (xref_basetypes): Access and virtuality passed
        differently. Don't copy direct base binfos here. Call
        copy_base_binfos.
        * cp/init.c (dfs_initialize_vtbl_ptrs): Adjust.
        (initialize_vtbl_ptrs): Adjust.
        (expand_member_init): Adjust.
        * cp/parser.c (cp_parser_base_specifier): Adjust.
        * cp/pt.c (instantiate_class_template): Adjust.
        (get_template_base_recursive): Adjust.
        * cp/rtti.c (get_pseudo_ti_init): Adjust.
        (get_pseudo_ti_desc): Adjust.
        * cp/tree.c (unshare_base_binfos): Rename to ...
        (copy_base_binfos): ... here, reimplement.
        (make_binfo): Set BINFO_DEPENDENT_BASE_P.
        (reverse_path): Remove.
        * cp/typeck.c (get_delta_difference): Adjust error messages.
        * cp/semantics.c (finish_base_specifier): Add virtual arg, adjust.
        * cp/search.c (lookup_base_r): Adjust.
        (dynamic_cast_base_recurse): Adjust.
        (canonical_binfo): Remove.
        (dfs_canonical_queue): Remove.
        (dfs_assert_unmarked_p): Remove.
        (assert_canonical_unmarked): Remove.
        (shared_marked_p, shared_unmarked_p): Remove.
        (BINFO_ACCESS, SET_BINFO_ACCESS): Use TREE_PUBLIC & TREE_PRIVATE.
        (dfs_access_in_type): Adjust.
        (access_in_type): Adjust.
        (dfs_accessible_queue_p): Adjust.
        (dfs_accessible_p): Adjust.
        (is_subobject_of_p_1, is_subobject_of_p): Remove.
        (struct lookup_field_info): Remove from_dep_base_p field.
        (lookup_field_queue_p): Adjust, test BINFO_DEPENDENT_BASE_P.
        (lookup_field_r): Remove dependent base code.
        (lookup_member): Likewise.
        (dfs_walk, dfs_walk_real): Add access arg to queue fn.
        (dfs_unmarked_real_bases_queue_p): Remove.
        (dfs_marked_real_bases_queue_p): Remove.
        (dfs_skip_vbases): Remove.
        (dfs_get_pure_virtuals): Adjust.
        (markedp, unmarkedp): Adjust.
        (marked_vtable_pathp, unmarked_vtable_pathp): Remove.
        (marked_pushdecls_p, unmarked_pushdecls_p): Adjust.
        (dfs_unmark): Adjust.
        (dfs_get_vbase_types):Remove.
        (dfs_build_inheritance_graph_order): Remove.
        (get_vbase_types): Remove
        (dfs_find_vbase_instance): Remove.
        (find_vbase_instance): Remove.
        (dfs_debug_unmarkedp): Adjust.
        (dependent_base_p): Remove.
        (dfs_push_type_decls): Adjust.
        (dfs_push_decls): Adjust.
        (dfs_no_overlap_yet): Adjust.
        (copied_binfo): New function.
        (original_binfo): New function.
        (binfo_for_vbase): Remove.

        Change base class access representation.
        * java/class.c (set_super_info): Don't set TREE_VIA_PUBLIC.
        (add_interface_do): Likewise.

2003-02-20  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/sysv4.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define.
        * config/rs6000/power4.md (power4-store,power4-vecstore): New
        insn reservations.
        (power4-fpstore): Compact.

2003-02-20  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*iorsi3_w): New.

2003-02-20  Josef Zlomek  <zlomekj@suse.cz>

        * combine.c (distribute_notes): Kill REG_EXEC_COUNT.
        * rtl.c (reg_note_name): Likewise.
        * rtl.h (enum reg_note): Likewise.
        * doc/invoke.texi: Likewise.
        * doc/rtl.texi: Likewise.

2003-02-20  Josef Zlomek  <zlomekj@suse.cz>

        * bb-reorder.c (find_traces_1_round): Fix comment typo.

2003-02-19  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold_real_zero_addition_p): Don't fold a zero
        addition in the presence of signaling NaNs.

2003-02-19  Krister Walfridsson  <cato@df.lth.se>

        * tm.texi (INIT_CUMULATIVE_ARGS): Fix typo.

2003-02-19  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (output_logical_op): Optimize or.l when
        ORing with 0xffff??00 with the highest bit of the ?? part set.
        (compute_logical_op_length): Update.
        (compute_logical_op_cc): Likewise.

2003-02-19  Josef Zlomek  <zlomekj@suse.cz>

        * bb-reorder.c (find_traces_1_round): Fixed condition for small
        destination block with multiple predecessors.
        (connect_traces): Check whether the block is a start of trace.

2003-02-19  Jan Hubicka  <jh@suse.cz>

        * calls.c (expand_call): Update call of INIT_CUMULATIVE_ARGS
        * function.c (assign_params): Likewise.
        * arm-protos.h (arm_init_cumulative_args): Update prototype.
        * arm.c (arm_init_cumulative_args): Update function.
        * arm.h (INIT_CUMULATIVE_ARGS): Update.
        * avr-protos.h (init_cumulative_args): Update prototype.
        * avr.c (init_cumulative_args): Update function.
        * avr.h (INIT_CUMULATIVE_ARGS): Update.
        * d30v-protos.h (d30v_init_cumulative_args): Update prototype.
        * d30v.c (d30v_init_cumulative_args): Update function.
        * d30v.h (INIT_CUMULATIVE_ARGS): Update.
        * frv-protos.h (frv_init_cumulative_args): Update prototype.
        * frv.c (frv_init_cumulative_args): Update function.
        * frv.h (INIT_CUMULATIVE_ARGS): Update.
        * mips.c (mips_expand_prolgue): Update call of INIT_CUMULATIVE_ARGS.
        * pa.h (INIT_CUMULATIVE_ARGS): Update.
        * sparc-protos.h (init_cumulative_args): Update prototype.
        * sparc.c (init_cumulative_args): Update function.
        * sparc.h (INIT_CUMULATIVE_ARGS): Update.
        * tm.texi (INIT_CUMULATIVE_ARGS): Update documentation.

2003-02-19  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*iorsi3_two_qi_sext): New.
        (*ashiftsi_sextqi_7): Likewise.

2003-02-19  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/mips/iris6.h (TARGET_OS_CPP_BUILTINS): Define __c99 for
        ISO C99 and C++.

        * fixinc/inclhack.def (irix___restrict): Don't change __restrict
        for C++ on IRIX 6.5.1[89].
        * fixinc/tests/base/internal/sgimacros.h: New file.

        * fixinc/inclhack.def (irix_wcsftime): Use XPG5 variant for C99.
        * fixinc/tests/base/internal/wchar_core.h: New file.

        * fixinc/inclhack.def (irix_socklen_t): Fix broken IRIX 6.5.1[78]
        socklen_t definition.
        * fixinc/fixincl.x: Regenerate.
        * fixinc/tests/base/sys/socket.h: New file.
        Fixes PR libgcj/9652.

2003-02-19  Jan Hubicka  <jh@suse.cz>

        * i386.md (movsfcc_1, movdfcc_1): Fix constrains.

2003-02-19  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_override_options): Initialize
        align_jumps_max_skip and align_loops_max_skip.

2003-02-19  Thierry Moreau  <thierry.moreau@connotech.com>

        * config/rs6000/rs6000.c (rs6000_encode_section_info): Do not
        test size if named section.

2003-02-19  Daniel Jacobowitz  <drow@mvista.com>

        * expr.c (expand_expr): Use gen_int_mode for the argument
        to gen_rtx_MULT.

2003-02-19  Jan Hubicka  <jh@suse.cz>

        * i386.md (cosxf2):  Fix conditional.

2003-02-19  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (extendqisi2): Change to an expander.
        (*extendqisi2_h8300): New.
        (*extendqisi2_h8300hs): Likewise.

2003-02-19  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Update the prototype for
        split_adds_subs.  Remove the prototypes for
        const_int_le_2_operand and const_int_le_6_operand.
        * config/h8300/h8300.c (split_adds_sub): Don't output inc/dec.
        (const_int_le_2_operand): Remove.
        (const_int_le_6_operand): Likewise.
        * config/h8300/h8300.h (PREDICATE_CODES): Remove the entries
        for const_int_le_2_operand and const_int_le_6_operand.
        * config/h8300/h8300.md: Update all uses of split_adds_subs.
        (a peephole2): New.

2003-02-18  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (NPREDECESORC, SET_NPREDECESORS): Kill.
        (cgraph_expand_function): Rewrite.

2003-02-18  Matt Austern <austern@apple.com>

        * toplev.c, langhooks.c, langhooks-def.h: Move
        write_global_declarations from toplev.c to langhooks.c.

2003-02-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (general_operand_src): Always check
        MODE.
        (general_operand_dst): Likewise.

2003-02-18  Roger Sayle  <roger@eyesopen.com>

        * convert.c (convert_to_real): Also optimize (float)log(x) into
        logf(x) where x is a float, i.e. also handle BUILT_IN_LOG{,L}.

2003-02-18  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (unspec_caller_rtx_p): New.
        (sh_cannot_copy_insn_p): New.
        (TARGET_CANNOT_COPY_INSN_P): New.

2003-02-18  Richard Henderson  <rth@redhat.com>

        * c-common.c (handle_used_attribute): Accept static data too.

2003-02-18  Nick Clifton  <nickc@redhat.com>
            Aldy Hernandez  <aldyh@redhat.com>

        * testsuite/gcc.dg/20030218-1.c: New.

        * doc/tm.texi: Document TARGET_VECTOR_TYPES_COMPATIBLE.

        * target-def.h (TARGET_INITIALIZER): Add
        TARGET_VECTOR_TYPES_COMPATIBLE.
        (TARGET_VECTOR_TYPES_COMPATIBLE): New macro.

        * target.h (struct gcc_target): Add field vector_types_compatible.

        * c-typeck.c (comptypes): Take into account
        TARGET_VECTOR_TYPES_COMPATIBLE.
        (convert_for_assignment): Same.

        * config/rs6000/rs6000.c (is_ev64_opaque_type): New.
        (rs6000_spe_vector_types_compatible): New.
        (TARGET_VECTOR_TYPES_COMPATIBLE): Define.

2003-02-19  Andreas Schwab  <schwab@suse.de>

        * Makefile.in (toplev.o): Depend on $(LANGHOOKS_DEF_H).
        * toplev.c: Include langhooks-def.h.

2003-02-18  Chris Demetriou  <cgd@broadcom.com>

        * config/mips/mips.h (enum processor_type): Sort entries
        alphabetically.
        * config/mips/mips.md (define_attr cpu): Sync with processor_type
        enum values, including adding entries that were missing.

2003-02-18  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.c (calc_live_regs): Also check GET_CODE when checking if
        initial value for PR_REG is still the PR_REG register.

2003-02-18  Jim Wilson  <wilson@redhat.com>

        * config/ia64/ia64.md (floatdidf2, floatdisf2): Add %, before second
        instruction in output template.
        (bsp_value): Change output template from string to C code, add %,
        before actual instruction.
        (flushrs): Mark as not predicable.

2003-02-18  Krister Walfridsson  <cato@df.lth.se>

        * inclhack.def (netbsd_bogus_semicolon): New fix.
        * fixincl.x: Rebuilt.
        * tests/base/ctype.h: Update.

2003-02-18  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (negate_expr_p): New function to determine whether
        an expression can be negated cheaply.
        (fold) [MINUS_EXPR]: Use it to determine whether to transform
        -A - B into -B - A for floating point types.

2003-02-18  Roger Sayle  <roger@eyesopen.com>

        * sbitmap.c (sbitmap_resize): New function.
        * sbitmap.h (sbitmap_resize): Prototype here.
        * recog.c (split_all_insns): Use sbitmap_resize.

2003-02-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*zero_extendhisi2_h8300): Fix the
        insn length.
        (extendqisi2): Likewise.
        (*extendhisi2_h8300): Likewise.

2003-02-18  Matt Austern <austern@apple.com>

        * langhooks.h, langhooks-def.h: introduce new langhook,
        final_write_globals, with write_global_declarations as default.
        * toplev.c: Move invocation of wrapup_global_declarations from
        compile_file to new function, write_global_declarations.  Change
        compile_file to use final_write_globals hook.  Change
        wrapup_global_declarations so writing to DECL_DEFER_OUTPUT is
        conditional.

2003-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.md: Correct and enhance comment.

2003-02-18  Geoffrey Keating  <geoffk@apple.com>

        * gcc.c (validate_switches): Don't scan past closing '}'.

2003-02-18  Ben Elliston  <bje@redhat.com>

        PR c++/1607
        * doc/extend.texi (Function Attributes): Document the effect of
        the C++ "this" parameter on the counting of arguments for the
        "format" and "format_arg" attributes.

2003-02-17  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/spe.h (__ev_stdd): Cast 2nd arg.
        (__ev_stdw): Same.
        (__ev_stdh): Same.

2003-02-17  Jan Hubicka  <jh@suse.cz>

        * recog.c (split_all_insns):  Fix memory overflow.

2003-02-17  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (cmpqi): Remove mode from compare.
        (cmphi): Likewise.
        (*cmphi_h8300): Likewise.
        (*cmphi_h8300hs): Likewise.
        (cmpsi): Likewise.
        (7 peephole2): Likewise.

2003-02-16  Jan Hubicka  <jh@suse.cz>

        * c-typeck.c (build_c_cast):  Fold constant variables into
        initial values.

2003-02-16  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/install.texi (Specific): Fix link for m68k-att-sysv.
        (Binaries): Ditto for Sinix/Reliant Unix.

2003-02-16 Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_reload_in_hi): Ensure that the scratch register does
        not overlap the final result register.

2003-02-16 Arend Bayer <arend.bayer@web.de>
           Richard Henderson  <rth@redhat.com>

        PR c/8068
        * fold-const.c (extract_muldiv_1): Rename from extract_muldiv;
        rearrange mult arguments for less recursion.
        (extract_muldiv): New.  Prevent runaway recursion.

2003-02-16  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/cygwin.h (TARGET_SUBTARGET_DEFAULT): Set
        MASK_ALIGN_DOUBLE.

2003-02-15  Roger Sayle  <roger@eyesopen.com>

        * config/i386/i386.c (x86_ext_80387_constants): Use 80387 insns
        to load mathematical constants on K6, Athlon, Pentium 4 and PPro.
        (ext_80387_constants_table): Global table of 80387 special constants
        guarded by ext_80387_constants_init flag when not initialized.
        (init_ext_80387_constants): New function to initialize this table.
        (standard_80387_constant_p): Extend to recognize extra 80387
        constants, in XFmode, on processors where this is a win.
        (standard_80387_constant_opcode): New function to return the
        opcode associated with standard_80387_constant_p.
        (standard_80387_constant_rtx): New function to return the XFmode
        CONST_DOUBLE associated with standard_80387_constant_p.
        (ix86_rtx_costs): Give the new constants the same cost as 1.0.

        * config/i386/i386-protos.h (standard_80387_constant_opcode):
        Prototype here.
        (standard_80387_constant_rtx): Likewise.

        * config/i386/i386.md (*movsf1, *movsf1_nointerunit, *movdf_nointeger,
        *movdf_integer, *movxf_nointeger, *movtf_nointeger, *movxf_integer,
        *movtf_integer): Simplify using new standard_80387_constant_opcode.

2003-02-15  Geoffrey Keating  <geoffk@apple.com>

        * doc/invoke.texi (Optimize Options): Correct @option syntax.

2003-02-15  Richard Henderson  <rth@redhat.com>

        * Makefile.in (cfglayout.o): Depend on TARGET_H.
        * cfglayout.c: Include target.h.
        (cfg_layout_can_duplicate_bb_p): Check targetm.cannot_copy_insn_p.
        * target-def.h (TARGET_CANNOT_COPY_INSN_P): New.
        * target.h (struct gcc_target): Add cannot_copy_insn_p.

        * config/alpha/alpha.c (alpha_cannot_copy_insn_p): New.
        (TARGET_CANNOT_COPY_INSN_P): New.
        (override_options): Revert 2003-02-08 hack.

2003-02-15  Richard Henderson  <rth@redhat.com>

        * gcse.c (bypass_block): Use BLOCK_FOR_INSN for resolving LABEL_REFs.
        (bypass_conditional_jumps): Accept computed_jump_p insns as well.

2003-02-15  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.h (processor_type): Add PPC440.
        * config/rs6000/rs6000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
        TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
        TARGET_SCHED_VARIABLE_ISSUE): Define.
        (rs6000_use_dfa_pipeline_interface): New function.
        (rs6000_multipass_dfa_lookahead): New Function.
        (rs6000_variable_issue): New function.
        (rs6000_adjust_cost): Add CMP and DELAYED_CR types.
        (rs6000_issue_rate): Add PPC440.
        * config/rs6000/rs6000.md (unspec list): Correct typo.
        (attr "type"): Add load_ext, load_ext_u, load_ext_ux, load_u,
        store_ux, store_u, fpload_ux, fpload_u, fpstore_ux, fpstore_u,
        cmp, delayed_cr, mfcr, mtcr.
        (automata_option): Set "ndfa".
        (extendMMNN2): Update attributes.
        (movcc_internal1): Discourage move to non-cr0.  Update
        attributes.
        (movMM_update): Update attributes.
        (cmpMM_internal): Update attributes.
        (sCC CR materialization): Update attributes.
        (branch patterns): Do not discourage non-cr0.
        (cr logical patterns): Prefer destructive register allocation.
        Update attributes.
        (movesi_from_cr): Update attribute.
        (mtcrf_operation): Update attribute.
        (mtcrfsi): Update attribute.
        * config/rs6000/40x.md: New file.
        * config/rs6000/603.md: New file.
        * config/rs6000/6xx.md: New file.
        * config/rs6000/7450.md: New file.
        * config/rs6000/7xx.md: New file.
        * config/rs6000/mpc.md: New file.
        * config/rs6000/power4.md: New file.
        * config/rs6000/rios1.md: New file.
        * config/rs6000/rios2.md: New file.
        * config/rs6000/rs64.md: New file.
        [Some DFA descriptions based on work by Michael Hayes]

2003-02-15  Richard Henderson  <rth@redhat.com>

        * bb-reorder.c (find_traces_1_round): Don't connect easy to copy
        successors with multiple predecessors.
        (connect_traces): Try harder to copy traces of length 1.

        * function.h (struct function): Add computed_goto_common_label,
        computed_goto_common_reg.
        * function.c (free_after_compilation): Zap them.
        * stmt.c (expand_computed_goto): Use them to produce one
        indirect branch per function.

2003-02-15  Richard Henderson  <rth@redhat.com>

        * cfgcleanup.c: Include params.h.
        (try_crossjump_bb): Use PARAM_MAX_CROSSJUMP_EDGES.  Fix test for
        too many outgoing edges from a block.
        * Makefile.in (cfgcleanup.o): Depend on PARAMS_H.
        * params.def (max-crossjump-edges): New.
        * doc/invoke.texi: Document it.

2003-02-15  Richard Henderson  <rth@redhat.com>

        * recog.c (split_all_insns): Include new blocks in life update;
        do a global life update.

2003-02-15  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/mingw32.h (LIBGCC_SPEC): Add libmingwex.a.
        Update copyright.
        * config/i386/cygwin.h (LIBGCC_SPEC): Add libmingwex.a for
        -mno-cygwin case.

2003-02-14  Falk Hueffner  <falk.hueffner@student.uni-tuebingen.de>

        PR optimization/7702
        * reload1.c (reload_cse_simplify_set): Honor
        CANNOT_CHANGE_MODE_CLASS.

2003-02-14  Alexandre Oliva  <aoliva@redhat.com>

        * config/mn10300/mn10300.c (mn10300_wide_const_load_uses_clr): New
        function.
        * config/mn10300/mn10300-protos.h: Declare it.
        * config/mn10300/mn10300.md (movdi, movdf): Use it to compute
        attribute cc of instructions that may use clr.

2003-02-14  Kazu Hirata  <kazu@cs.umass.edu>

        * simplify-rtx.c (simplify_binary_operation): Simplify ~y when
        (x - (x & y)) is found.

2003-02-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * configure.in: Fix typo.
        * configure: Regenerate.

2003-02-14  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*iorsi2_and_1_lshiftrt_1): New.

2003-02-13  Adam Nemet  <anemet@lnxw.com>

        PR opt/2391
        * combine.c: Fix spelling in comment.
        (cached_nonzero_bits): New function.
        (cached_num_sign_bit_copies): New function.
        (nonzero_bits_with_known): New macro.
        (num_sign_bit_copies_with_known): New macro.
        (nonzero_bits1): Rename from nonzero_bits.  Add three new
        arguments.  Change calls from nonzero_bits to
        nonzero_bits_with_known.
        (num_sign_bit_copies1): Rename from num_sign_bit_copies.  Add
        three new arguments.  Change calls from num_sign_bit_copies to
        num_sign_bit_copies_with_known.
        (nonzero_bits): New macro.
        (num_sign_bit_copies): New macro.
        (update_table_tick): Don't traverse identical subexpression more
        than once.
        (get_last_value_validate): Likewise.

2003-02-13  Zack Weinberg  <zack@codesourcery.com>

        * emit-rtl.c (init_emit): Use ggc_alloc for regno_reg_rtx.
        * function.h (struct emit_status): Length of regno_pointer_align
        and x_regno_reg_rtx as seen by gengtype is only x_reg_rtx_no,
        not regno_pointer_align_length (i.e. length actually used, not
        length as allocated)

        * config/i386/i386.c (struct stack_local_entry): New.
        (struct machine_function): Replace huge array with alist.
        (assign_386_stack_local): Change to match.

2003-02-13  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>

        * inclhack.def (hpux_long_double): Tighten select and add bypass
        regexp.
        * fixincl.x: Rebuilt.

2003-02-13  Josef Zlomek  <zlomekj@suse.cz>

        * cfgcleanup.c (outgoing_edges_match): When there is single outgoing
        edge and block ends with a jump insn it must be simple jump.

2003-02-13  Daniel Jacobowitz  <drow@mvista.com>

        * Makefile.in (PREPROCESSOR_DEFINES): Add
        @TARGET_SYSTEM_ROOT_DEFINE@.
        * configure.in (PREFIX_INCLUDE_DIR): Don't define if $with_sysroot
        is specified or if building a cross compiler.
        (TARGET_SYSTEM_ROOT_DEFINE): Add TARGET_SYSTEM_ROOT_RELOCATABLE
        if the sysroot is under $exec_prefix.
        * configure: Regenerated.
        * cppdefault.h: Use native include paths if TARGET_SYSTEM_ROOT is
        defined.
        (struct default_include): Add add_sysroot field.
        (cpp_SYSROOT): Declare.
        * cppdefault.c (cpp_include_defaults): Fill in add_sysroot
        field.
        (cpp_SYSROOT): New variable.
        * cppinit.c (cpp_create_reader): Initialize
        CPP_OPTION (pfile, sysroot).
        (init_standard_includes): Handle add_sysroot.  Do not
        add unrelocated copies of relocated directories.
        (COMMAND_LINE_OPTIONS): Add -isysroot.
        (cpp_handle_option): Handle -isysroot.
        * cpplib.h (struct cpp_options): Add sysroot member.
        * gcc.c (The Specs Language): Update description of %I.
        (target_system_root_changed): New variable.
        (process_command): Conditionalize make_relative_prefix call
        on !VMS and TARGET_SYSTEM_ROOT_RELOCATABLE.  Set
        target_system_root_changed.
        (do_spec_1): Add -isysroot to %I.
        * doc/invoke.texi (Spec Files): Update description of %I.
        * doc/install.texi (--with-sysroot): Update comment about
        relocation.

2003-02-13  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): New.

2003-02-13  Robert Lipe <robertlipe@usa.net>
            Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/install.texi (Specific): Update three SCO-related URLs.

2003-02-13  Andreas Schwab  <schwab@suse.de>

        * cgraph.c (SET_NPREDECESORS): Add intermediate cast to size_t.
        Parenthesize properly.
        (NPREDECESORS): Parenthesize properly.

2003-02-13  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * timevar.h (POP_TIMEVAR_AND_RETURN): New macro.

2003-02-12  Roger Sayle  <roger@eyesopen.com>

        * config/i386/i386.md (UNSPEC_FPATAN): New UNSPEC constant.
        (atan2sf3, atan2df3, atan2xf3, atan2tf3): New patterns.

        * reg-stack.c (subst_stack_regs_pat): Add support for binary
        UNSPEC instructions (e.g. "fpatan").

2003-02-12  Mike Stump  <mrs@apple.com>

        * varray.c (element_size): Remove.
        (uses_ggc): Remove.
        (element): Add.
        (varray_init): Use new interface.
        (varray_grow): Use new interface.
        (varray_clear): Use new interface.

2003-02-12  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/spe.h: Add casts to the arguments of the following
        macros: evfsabs, evfsnabs, evfsneg, evfsadd, evfssub, evfsmul,
        evfsdiv, evfscfui, evfscfsi evfscfuf evfscfsf, evfsctui, evfsctsi,
        evfsctuf, evfsctsf, evfsctuiz, evfsctsiz, __ev_get_upper*,
        __ev_get_lower*, __ev_get_u32, __ev_get_s32, __ev_get_fs,
        __ev_get_u16, __ev_get_s16.

2003-02-12  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): New.

2003-02-12  Jan Hubicka  <jh@suse.cz>

        * Makefile.in (CRTSTUFF_CFLAGS): Add -fno-unit-at-a-time
        (OBJS): Add callgraph.o
        (callgraph.o): New.
        * c-decl.c (expand_body_1): Break out from ...
        (expand_body): This one;  change calling convention
        (finish_function): Move some of expand_body logic here.
        (c_expand_deferred_function): Update call of expand_body
        (c_expand_stmt): Use c_expand_body_1.
        * c-lang.c (LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION): Define.
        * c-objc-commin.c (c_objc_common_finish_file): Use callgraph code.
        * c-tree.h (c_expand_body): Declare.
        * callgraph.c: New file.
        * flags.h (flag_unit_at_a_time): Declare.
        * langhooks.h (LANG_HOOKS_CALLGRAPH_LOWER_FUNCTION,
        LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION,
        LANG_HOOKS_CALLGRAPH_INITIALIZER): New macros.
        * langhooks.h (struct lang_hooks_for_callgraph): New.
        (struct lang_hooks): Add callgraph field.
        * toplev.c (flag_unit_at_a_time): New.
        (lang_independent_options): Add flag_unit_at_a_time.
        (process_options): Disable unit-at-a-time mode for frontends not
        supporting callgraph.
        * tree-inline.c (typedef struct inline_data): Add "decl"
        (expand_call_inline): Update callgraph.
        (optimize_inline_calls): Set id.decl.
        * tree.h (cgraph_finalize_function, cgraph_finalize_compilation_unit,
        cgraph_create_edges, dump_cgraph, cgraph_optimize, cgraph_remove_call
        cgraph_calls_p): Declare.
        * invoke.texi (-funit-at-a-time): Document

2003-02-12  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/spe.h: Fix misc formatting.
        (__ev_create_ufix32_fs): Cast ev argument.
        (__ev_create_sfix32_fs): Same.
        (__ev_get_sfix32_fs_internal): Cast arguments to builtins.
        (__ev_get_ufix32_fs_internal): Same.

2003-02-12  Ranjit Mathew  <rmathew@hotmail.com>

        * doc/tm.texi (MODIFY_JNI_METHOD_CALL): Document.
        * config/i386/cygwin.h (MODIFY_JNI_METHOD_CALL): New macro.

2003-02-12  Zack Weinberg  <zack@codesourcery.com>

        * cpplib.c (do_include_common): Move warnings for
        #include_next and #import out to callers.  Use early-return
        instead of nested ifs.  Don't do check_eol here.
        (parse_include): Do check_eol here with the rest of the
        parsing stuff.
        (do_include_next, do_import): Now handle warnings.

2003-02-11  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/install.texi (Specific): Update AVR- and Darwin-related URLs.

2003-02-12  Jan Hubicka  <jh@suse.cz>

        * predict.c (estimate_probability):  Fix roundoff error.

2003-02-12  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): Don't handle 65535.
        (two peephole2): New.

2003-02-12  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (several peephole2): Replace
        find_regno_note with peep2_reg_dead_p.

2003-02-11  Richard Henderson  <rth@redhat.com>

        * gcse.c (lookup_set): Remove unused argument PAT.  Update
        both callers.

2003-02-11  Geoffrey Keating  <geoffk@apple.com>

        * diagnostic.c (real_abort): New.
        (diagnostic_report_diagnostic): Call real_abort on error.
        * diagnostic.h (diagnostic_abort_on_error): New.
        (struct diagnostic_context): Add abort_on_error field.
        * toplev.c (setup_core_dumping): New.
        (decode_d_option): Handle 'H' case.
        * doc/invoke.texi (Debugging Options): Document -dH.

2003-02-11  Nathanael Nerode  <neroden@gcc.gnu.org>

        * Makefile.in: Remove pointless setting of CXXFLAGS for dejagnu
        which refers to obsolete directories.

2003-02-11  Richard Henderson  <rth@redhat.com>

        * config/alpha/linux.h (TARGET_C99_FUNCTIONS): New.

2002-10-21  Jan Hubicka  <jh@suse.cz>

        * i386.c (contains_128bit_aligned_vector_p): New function.
        (ix86_function_arg_boundary): Properly align vector modes.

2003-02-11  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.md (set_frame_ptr): Change rtl to set reg a7.
        * config/xtensa/xtensa.c (xtensa_reorg): Search for UNSPECV_SET_FP
        as a SET pattern.

2003-02-11  Roger Sayle  <roger@eyesopen.com>

        * builtins.c:  Fix failure caused by commiting wrong patch.

2003-02-11  Dale Johannesen  <dalej@apple.com>
        * ra-build.c (compare_and_free_webs):  Relax checking.
        * config/rs6000/darwin.h (HOT_TEXT_SECTION_NAME):  Define.
        (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):  Define.

2003-02-11  Falk Hueffner  <falk.hueffner@student.uni-tuebingen.de>

        PR optimization/9651
        * rtlanal.c (may_trap_p): Handle FIX.

2003-02-11  Dave Jones <davej@codemonkey.org.uk>

        * config/i386/i386.c (override_options): Define c3-2 as a 686 with SSE.
        * doc/invoke.texi: Extra alias.

2003-02-11  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/host-darwin.c: Fix comment.

2003-02-11  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (divmodsi4): Use register_operand
        predicate for mod result.

2003-02-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * inclhack.def (hpux_long_double, hpux10_ctype_declarations1,
        hpux10_ctype_declarations2, hpux_ctype_macros): New hacks.
        * fixincl.x: Rebuilt.
        * tests/base/stdlib.h: Update.
        * tests/base/ctype.h: New file.

2003-02-11  Jan Hubicka  <jh@suse.cz>

        * emit-rtl.c (emit_copy_of_insn_after): Copy insn recog cache too.

2003-02-11  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_expand_movstr): Fail if esi or edi
        appropriated as globals.
        (ix86_expand_clrstr): Similarly.
        * config/i386/i386.md (cmpstrsi): Similarly.

2003-02-11  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): Add a case of 255.

2003-02-11  Roger Sayle  <roger@eyesopen.com>

        * optabs.h (enum optab_index): Add new OTI_pow and OTI_atan2.
        (pow_optab, atan2_optab): Define corresponding macros.
        * optabs.c (init_optabs): Initialize pow_optab and atan2_optab.
        * genopinit.c (optabs): Implement pow_optab and atan2_optab
        using pow?f3 and atan2?f3 patterns.
        * builtins.c (expand_errno_check): New function to update errno
        if necessary, split out from expand_builtin_mathfn.
        (expand_builtin_mathfn): Use expand_errno_check.
        (expand_builtin_mathfn_2): New function to handle expanding binary
        math functions, reusing the code in expand_errno_check.
        (expand_builtin): Handle the pow and atan2 math built-ins,
        BUILT_IN_{POW,POWF,POWL,ATAN2,ATAN2F,ATAN2L} via the new function
        expand_builtin_mathfn_2.

        * doc/md.texi: Document new pow?f3 and atan2?f3 patterns.

2003-02-11  Jan Hubicka  <jh@suse.cz>

        * combine.c (combine_simplify_rtx): Fix folding of
        nested float_truncates.

2003-02-11  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (a peephole2): Fix a typo.

2003-02-11  Richard Earnshaw  <rearnsha@arm.com>

        * arm.mc (return_address_mask): Use CC_REGNUM for the condition code
        register number.

2003-02-11  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Add a prototype for
        gtuleu_operator.
        * config/h8300/h8300.c (gtuleu_operator): New.
        * config/h8300/h8300.h (PREDICATE_CODES): Add gtuleu_operator.
        * config/h8300/h8300.md (a peephole2): New.

2003-02-11  Jan Hubicka  <jh@suse.cz>

        * sched-ebb.c (schedule_ebbs): Do not verify_flow_info.

2003-02-11  Jan Hubicka  <jh@suse.cz>

        * predict.c (choose_function_section): Choose sections correctly.

2003-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * reload1.c (first_label_num): New.
        (reload): Index offsets_known_at and offsets_at using difference of
        label number and first label number.  Don't use offset pointers.
        (set_label_offsets, set_initial_label_offsets): Likewise.

2003-02-10  Roger Sayle  <roger@eyesopen.com>

        * mips-tfile.c (init_file): Add missing initializers in the
        "#ifdef __alpha" case.
        (file_offset, max_file_offset): Declare as unsigned long.
        (write_varray): Cast to "unsigned long" in comparisons against
        either file_offset or max_file_offset.
        (write_object): Likewise.
        (read_seek): Likewise.
        (copy_object): Likewise. Declare "ifd" as int to match its use
        in add_ext_symbol, and avoid signed/unsigned conditional warning.

2003-02-10  Nick Clifton  <nickc@redhat.com>
            Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Do not
        override options which have been specified on the command line.

2003-02-10  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (abssf2): New.
        (*abssf2_h8300): Likewise.
        (*abssf2_h8300hs): Likewise.

2003-02-10  Phil Edwards  <pme@gcc.gnu.org>

        * tree.c (build_tree_list):  Fix parameter names in comment.

2003-02-10  Janis Johnson  <janis187@us.ibm.com>

        * config/rs6000/ppc64-fp.c: New file.
        * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.

2003-02-10  Josef Zlomek  <zlomekj@suse.cz>

        * Makefile.in (bb-reorder.o): Add dependency on $(FIBHEAP_H).
        * bb-reorder.c (make_reorder_chain): Deleted.
        (make_reorder_chain_1): Deleted.
        (find_traces): New function.
        (rotate_loop): New function.
        (mark_bb_visited): New function.
        (find_traces_1_round): New function.
        (copy_bb): New function.
        (bb_to_key): New function.
        (better_edge_p): New function.
        (connect_traces): New function.
        (copy_bb_p): New function.
        (get_uncond_jump_length): New function.
        (reorder_basic_blocks): Use new functions (Software Trace Cache).
        * cfgcleanup.c (outgoing_edges_match): Enable crossjumping across loop
        boundaries.

2003-02-10  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (bdesc_2arg): Change spe_evxor to xorv2si3.

2003-02-09  Dan Nicolaescu  <dann@ics.uci.edu>

        * tree.h (struct tree_decl): Remove unused live_range_rtl field.
        (DECL_LIVE_RANGE_RTL): Remove.

2003-02-10  Nick Clifton  <nickc@redhat.com>

        * config/arm/aof.h, config/arm/aout.h, config/arm/arm-modes.def,
        config/arm/arm-protos.h, config/arm/arm.c, config/arm/arm.h,
        config/arm/arm.md, config/arm/cirrus.md, config/arm/coff.h,
        config/arm/conix-elf.h, config/arm/ecos-elf.h, config/arm/elf.h,
        config/arm/freebsd.h, config/arm/linux-elf.h,
        config/arm/linux-gas.h, config/arm/netbsd-elf.h,
        config/arm/netbsd.h, config/arm/pe.c, config/arm/pe.h,
        config/arm/rtems-elf.h, config/arm/semi.h, config/arm/semiaof.h,
        config/arm/strongarm-coff.h, config/arm/strongarm-elf.h,
        config/arm/strongarm-pe.h, config/arm/uclinux-elf.h,
        config/arm/unknown-elf-oabi.h, config/arm/unknown-elf.h,
        config/arm/xscale-elf.h: Replace occurances of "GNU CC" with "GCC"
        and reformat as appropriate.

2003-02-10  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/clzsi2.c: Remove.
        * config/h8300/ctzsi2.c: Likewise.
        * config/h8300/paritysi2.c: Likewise.
        * config/h8300/popcountsi2.c: Likewise.
        * config/h8300/t-h8300 (LIB2FUNCS_EXTRA): Remove clzsi2,
        ctzsi2, paritysi2, and popcountsi2.

2003-02-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
            Christian Ehrhardt  <ehrhardt@mathematik.uni-ulm.de>

        PR c/7741
        * c-decl.c (duplicate_decls): Discard the initializer of the
        new decl when the types are conflicting.

2003-02-10  Josef Zlomek  <zlomekj@suse.cz>

        * Makefile.in (sreal.o): Added.
        (predict.o): Depends on sreal.h instead of real.h.
        * sreal.c: New file.
        * sreal.h: New file.
        * predict.c: Use sreal.c instead of real.c.

2003-02-10  Nick Clifton  <nickc@redhat.com>

        * Contributed support for the Cirrus EP9312 "Maverick"
        floating point co-processor.  Written by Aldy Hernandez
        <aldyh@redhat.com>.
        (config/arm/arm.c): Add Cirrus support.
        (config/arm/arm.h): Likewise.
        (config/arm/aout.h): Likewise.
        (config/arm/arm.md): Likewise.
        (config/arm/arm-protos.h): Likewise.
        (config.gcc): Likewise.
        (doc/invoke.texi): Describe new -mcpu value and new
        -mcirrus-fix-invalid-insns switch,
        (cirrus.md): New file.

2003-02-10  Jan Hubicka  <jh@suse.cz>

        * combine.c (combine_simplify_rtx): Simplify using
        (float_truncate (float x)) is (float x)
        (float_extend (float_extend x)) is (float_extend x).

2003-02-10  Alan Modra  <amodra@bigpond.net.au>

        * calls.c (try_to_integrate): Tidy stack_usage_map access.
        (emit_library_call_value_1): Likewise.  Formatting.
        (store_one_arg): Likewise.

2003-02-09  Nick Clifton  <nickc@redhat.com>
            Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/spe.md: spe_evlhhesplat, spe_evlhhossplat,
        spe_evlhhousplat, spe_evlwhsplat, spe_evlwwsplat, spe_evldd,
        spe_evldh, spe_evldw, spe_evlwhe, spe_evlwhos, spe_evlwhou,
        spe_evstdd, spe_evstdh, spe_evstdw, spe_evstdwx, spe_evstwhe,
        spe_evstwho, spe_evstwwe, spe_evstwwo: Fix syntax to match newest
        docs.  Add range test for immediate value.

2003-02-09  Aldy Hernandez  <aldyh@redhat.com>

        Rename spe_evxor to xorv2si3.
        (xorv4hi3): New.
        (xorv1di3): New.

2003-02-10  Glen Nakamura  <glen@imodulo.com>

        * doc/extend.texi (C++98 Thread-Local Edits): Add missing @item
        tag.

2003-02-10  Jan Hubicka  <jh@suse.cz>

        * i386.c (vector_move_operand): New predicate.
        (ix86_expand_vector_move): Be happy about 0.
        * i386.h (PREDICATE_CODES): Add sse-move_operand.
        * i386.md (mov*_internal): Add 'C' alternative.

2003-02-09  Jan Hubicka  <jh@suse.cz>

        * i386.md (floathi*): Deal with SSE.

2003-02-09  Jan Hubicka  <jh@suse.cz>

        * simplify-rtx.c (simplify_unary_operation,
        simplify_binary_operation):  Deal with vector modes
        (simplify_ternary_operation):  Deal with no-op VEC_MERGE.

2003-02-09  Richard Sandiford  <rsandifo@redhat.com>

        * toplev.c (rest_of_compilation): Recompute register usage after
        split_all_insns.

2003-02-09  Richard Henderson  <rth@redhat.com>

        * libgcc-std.ver (__clztf2): New.
        (__ctztf2, __popcounttf2, __paritytf2): New.
        * libgcc2.c (__clzSI2, __clzDI2, __ctzSI2, __ctzDI2, __popcountSI2,
        __popcountDI2, __paritySI2, __parityDI2): Use UWmode and UDWmode;
        adjust code to match the different type sizes.
        * libgcc2.h (__clzSI2, __ctzSI2, __popcountSI2, __paritySI2,
        __clzDI2, __ctzDI2, __popcountDI2, __parityDI2): New macros.

        * optabs.c (init_integral_libfuncs): Don't hard-code SImode and
        TImode; select word_mode and twice that.
        (init_floating_libfuncs): Don't hard-code SFmode and TFmode;
        select the modes from float, double, and long double.
        (init_optabs): Remove duplicate initializations.

2003-02-09  Wolfgang Bangerth  <bangerth@ticam.utexas.edu>

        * doc/install.texi: Squeeze and streamline section on
        testing and regression checking.

2003-02-09  Jan Hubicka  <jh@suse.cz>

        * i386.md (ahi?v*3): Set third operand type to TImode.
        * i386.c (ix86_expand_binop_builtin): Extend operand when needed.

        * simplify-rtx.c (simplify_subreg): Fix conversion from vector into
        integer mode.

        * rtl.def (VEC_MERGE, VEC_SELECT, VEC_CONCAT, VEC_DUPLICATE):
        Change code so they are arithmetic expressions now.
        * simplify-rtx.c (simplify_unary_operation, simplify_binary_operation,
        simplify_ternary_operation): Deal with VEC_* expressions.

        * i386.md (vmaskcmp, pinsrw, movd patterns):  Fix RTL representation.

2003-02-08  Jan Hubicka  <jh@suse.cz>

        * cfgrtl.c (verify_flow_info):  Use control_flow_insn_p.
        * reload1.c (fixup_abnormal_edges):  Split basic blocks when EH edges
        possibly got duplicated.

2003-02-08  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (override_options): Turn off explicit
        relocs until post-peep2 code duplication resolved.

2003-02-08  Kazu Hirata  <kazu@cs.umass.edu>

        * optabs.c (expand_unop): Widen clz properly when clz is done
        via libcall.

2003-02-08  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/clzsi2.c: Replace "GNU CC" with "GCC".
        * config/h8300/crti.asm: Likewise.
        * config/h8300/crtn.asm: Likewise.
        * config/h8300/ctzsi2.c: Likewise.
        * config/h8300/fixunssfsi.c: Likewise.
        * config/h8300/h8300-protos.h: Likewise.
        * config/h8300/h8300.c: Likewise.
        * config/h8300/h8300.h: Likewise.
        * config/h8300/h8300.md: Likewise.
        * config/h8300/paritysi2.c: Likewise.
        * config/h8300/popcountsi2.c: Likewise.
        * config/h8300/rtems.h: Likewise.

2003-02-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * doc/invoke.texi: Documentation for my previous commit.
        * doc/passes.texi: Ditto.

2003-02-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * cfgloop.h (fix_loop_placement, can_duplicate_loop_p,
        duplicate_loop_to_header_edge, loopify, remove_path, split_loop_bb):
        Declare.
        (DLTHE_FLAG_UPDATE_FREQ): New.
        * cfgloopmanip.c (duplicate_loop, duplicate_subloops, copy_loops_to,
        loop_redirect_edge, loop_delete_branch_edge, copy_bbs, remove_bbs,
        rpe_enum_p, find_branch, alp_enum_p, add_loop, fix_loop_placements,
        fix_bb_placement, fix_bb_placements, place_new_loop,
        scale_loop_frequencies, scale_bbs_frequencies, record_exit_edges):
        New static functions.
        (fix_loop_placement, can_duplicate_loop_p,
        duplicate_loop_to_header_edge, loopify, remove_path, split_loop_bb):
        New functions.

        * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize,
        unswitch_loops): Declare.
        * loop-init.c: New file.
        * loop-unswitch.c: New file.
        * Makefile.in (loop-init.o, loop-unswitch.o): New.
        * params.def (PARAM_MAX_UNSWITCH_INSNS, PARAM_MAX_UNSWITCH_LEVEL): New.
        * toplev.c (DFI_loop2): New dump.
        (flag_unswitch_loops): New.
        (lang_independent_options): Add it.
        (rest_of_compilation): Call new loop optimizer.
        (parse_options_and_default_flags): Turn flag_unswitch_loops on with -O3.

2003-02-08  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/clzsi2.c: New.
        * config/h8300/ctzsi2.c: Likewise.
        * config/h8300/paritysi2.c: Likewise.
        * config/h8300/popcountsi2.c: Likewise.
        * config/h8300/t-h8300 (LIB2FUNCS_EXTRA): Add above files.

2003-02-07  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
        * config/rs6000/rs6000.md (clzsi2): Rename from cntlzw2.
        (ctzsi2): New pattern.
        (ffssi2): Use clz instead of unspec.
        (clzdi2): Rename from cntlzd2.
        (ctzdi2): New pattern.
        (ffsdi2): Use clz instead of unspec.

2003-02-07  Loren James Rittle  <ljrittle@acm.org>

        * config/alpha/freebsd.h (LINK_SPEC): Weaken error to notice.
        * config/ia64/freebsd.h (LINK_SPEC): Likewise.
        * config/sparc/freebsd.h (LINK_SPEC): Likewise.
        * config/i386/freebsd.h (LINK_SPEC): Add clause to mirror other arches.

2003-02-07  Wolfgang Bangerth  <bangerth@ticam.utexas.edu>

        * doc/trouble.texi: Document pitfalls of two-stage name lookup.

2003-02-07  Richard Henderson  <rth@redhat.com>

        PR 9226
        * gcse.c (local_cprop_find_used_regs): New.
        (local_cprop_pass): Use it.

2003-02-07  Fred Fish  <fnf@intrinsity.com>

        * mips-tfile.c (parse_def): Parenthesize assignments to fix
        precedence bugs.

2003-02-07  Segher Boessenkool  <segher@koffie.nl>

        * genoutput.c (output_get_insn_name): Handle NOOP_MOVE_INSN_CODE.

2003-02-07  Roger Sayle  <roger@eyesopen.com>

        * builtin-types.def (BT_FN_FLOAT_FLOAT_FLOAT): New built-in type.
        (BT_FN_LONG_DOUBLE_LONG_DOUBLE_LONG_DOUBLE): Likewise.
        (BT_FN_DOUBLE_DOUBLE_DOUBLE): Likewise.
        * builtins.def: Define pow, powf, powl, atan2, atan2f and atan2l
        builtin functions (and their __builtin_* variants).
        * builtins.c (mathfn_built_in): Handle missing log{,f,l} cases.
        (expand_builtin): Don't expand log{,f,l}, pow{,f,l} or atan2{,f,l}
        when not optimizing.

        * doc/extend.texi: Document new pow and atan2 builtins, and
        their float and long double variants.  Realphabetize builtins.

2003-02-07  Jan Hubicka  <jh@suse.cz>

        * i386.md (sse2_nandv2di3): Fix.

2003-03-07  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/i386.h (MS_AGGREGATE_RETURN): New define.
        * config/i386/cygwin.h (MS_AGGREGATE_RETURN): Override default
        definition.
        * config/i386/i386.h (ix86_return_in_memory): Return aggregate
        types of up to 8 bytes via registers if MS_AGGREGATE_RETURN.

2003-02-07  Jan Hubicka  <jh@suse.cz>

        * i386.md (movdi_rex64_1): Fix mmx<->int move opcode.

2003-02-07  Daniel Berlin  <dberlin@dberlin.org>

        * cfg.c (dump_flow_info): Add back accidently deleted line.

2003-02-07  Andrey Petrov <petrov@netbsd.org>

        * optabs.c (expand_float): Search wider integer modes first.

2003-02-07  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.h (LIBGCC2_WORDS_BIG_ENDIAN): Set this
        based on preprocessor flag.

2003-02-07  Roger Sayle  <roger@eyesopen.com>
            Richard Henderson  <rth@redhat.com>

        * gcse.c (implicit_sets): New.
        (compute_hash_table_work): Include them in hash table.
        (find_implicit_sets, fis_get_condition): New.
        (one_cprop_pass): Allocate and free implicit_sets; call
        find_implicit_sets before building hash table.

2003-02-07  Jason Thorpe  <thorpej@wasabisystems.com>

        * config/t-netbsd (USER_H): Revert previous change.

2003-02-07  Gabor Greif  <ggreif@lucent.com>

        * doc/c-tree.texi (Namespaces): Fix typo.

2003-02-07  Jan Hubicka  <jh@suse.cz>

        * regrename.c (do_replace, find_oldest_value_reg,
        copyprop_hardreg_forward_1): Update register attributes.

2003-02-06  Vladimir Makarov  <vmakarov@redhat.com>

        * genautomata.c (VLA_PTR_CREATE, VLA_PTR_EXPAND, VLA_PTR_ADD,
        VLA_HWINT_CREATE, VLA_HWINT_EXPAND, VLA_HWINT_ADD): Use temporay
        variables starting with underscore.
        (struct unit_usage): New structure.
        (unit_usages, cycle_alt_unit_usages): New global variables.
        (check_unit_distribution_in_reserv): Remove it.
        (store_alt_unit_usage): New function.
        (check_regexp_units_distribution): Rewrite it.

2003-02-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config.gcc (hppa*-*-linux*): Set MASK_NO_SPACE_REGS in
        target_cpu_default.
        * pa.c (attr_length_call): Add 8 to call length (long indirect PA 1.X)
        if not MASK_NO_SPACE_REGS.
        (output_call): Adjust return pointer, don't load new space register
        into %sr0, and use %sr4 for call if TARGET_NO_SPACE_REGS is true.
        (pa_asm_output_mi_thunk): Don't load new space register into %sr0 if
        TARGET_NO_SPACE_REGS is true.
        * pa.md (return_external_pic): Add TARGET_NO_SPACE_REGS to insn
        conditions.
        (epilogue): Always use return_internal if TARGET_NO_SPACE_REGS is true.
        (interspace_jump): Add new pattern for when TARGET_NO_SPACE_REGS is
        true.  Use bve when TARGET_64BIT is true.

2003-02-06  Richard Henderson  <rth@redhat.com>

        * combine.c (nonzero_bits): Fix double break.

2003-02-06  Eric Botcazou <ebotcazou@libertysurf.fr>
            Richard Henderson <rth@redhat.com>

        PR c/9530
        * config/i386/i386.c (ix86_function_ok_for_sibcall): Forbid sibcalls
        from functions that return a float to functions that don't.

2003-02-06  Jan Hubicka  <jh@suse.cz>

        * i386.c (x86_inter_unit_moves): New variable.
        (ix86_secondary_memory_needed): Fix 64bit case, honor
        TARGET_INTER_UNIT_MOVES
        * i386.h (x86_inter_unit_moves): Declare.
        (TARGET_INTER_UNIT_MOVES): New macro.
        * i386.md (movsi_1): Cleanup constraints; disable
        when not doing inter-unit moves.
        (movsi_1_nointernunit): New.
        (movdi_1_rex64): Fix constraints; deal with SSE->GPR moves.
        (movdi_1_rex64_nointerunit): New.
        (mivsf_1): disable when not doing inter-unit moves.
        (movsf_1_nointerunit): New.

        * basic-block.h (inside_basic_block_p):  Declare.
        * cfgbuild.c (inside_basic_block_p): Make global.
        * haifa-sched.c (unlink_other_notes0: Deal with NOT_INSN_BASIC_BLOCK.
        * scheudle-ebb.c  (schedule_ebb): Return last basic block of trace;
        update CFG.
        (fix_basic_block_boundaries, add_missing_bbs): New.
        (rank): Use profile.
        (scheudle_ebbs): Rely on CFG; update coments.

2003-02-05  Geoffrey Keating  <geoffk@apple.com>

        * Makefile.in (host_hook_obj): New.
        (OBJS): Add $(host_hook_obj).
        (host_default.o): New rule.
        * config.gcc (host_hook_obj): New, default to host-default.o.
        (powerpc-*-darwin*): Use host-darwin.o.
        (out_host_hook_obj): New.
        * configure: Regenerate.
        * configure.in: Print information about out_host_hook_obj, substitute
        into output files.
        * host-default.c: New file.
        * hosthooks.h: New file.
        * toplev.c (general_init): Call host_hooks.extra_signals.
        * config/rs6000/host-darwin.c: New file.
        * config/rs6000/x-darwin: New file.
        * doc/hostconfig.texi: Add documentation for new host hook.
        Rearrange existing documentation.

2003-02-05  Roger Sayle  <roger@eyesopen.com>

        * dwarf2out.c (mem_loc_descriptor): Replace ASM_SIMPLIFY_DWARF_ADDR
        with *targetm.delegitimize_address.
        (rtl_for_decl_location): Likewise.
        * dwarfout.c (output_mem_loc_descriptor): Likewise.  Include target.h.
        * Makefile.in (dwarf2out.c, dwarfout.c): Depend upon $(TARGET_H)

        * config/i386/i386.h (ASM_SIMPLIFY_DWARF_ADDR): Remove definition.
        * config/i386/i386-protos.h (i386_simplify_dwarf_addr): Remove
        prototype.
        * config/i386/i386.c (ix86_delegitimize_address): Renamed from
        i386_simplify_dwarf_addr.  Made static.  Prototyped.
        (TARGET_DELEGITIMIZE_ADDRESS): Update definition from
        i386_simplify_dwarf_addr to ix86_delegitimize_address.
        (ix86_find_base_term): Likewise.
        (maybe_get_pool_constant): Likewise.

        * config/s390/s390.h (ASM_SIMPLIFY_DWARF_ADDR): Remove definition.
        * config/s390/s390-protos.h (s390_simplify_dwarf_addr): Remove
        prototype.
        * config/s390/s390.c (s390_delegitimize_address): Renamed from
        s390_simplify_dwarf_addr.  Made static.  Prototyped.
        (TARGET_DELEGITIMIZE_ADDRESS): Define as s390_delegitimize_address.

2003-02-05  Richard Henderson  <rth@redhat.com>

        PR c/8602
        * integrate.c (output_inline_function): Reset input_filename
        and lineno from the decl before rest_of_compilation.

2003-02-05  Richard Henderson  <rth@redhat.com>

        * defaults.h (CLZ_DEFINED_VALUE_AT_ZERO): New.
        (CTZ_DEFINED_VALUE_AT_ZERO): New.
        * doc/rtl.texi, doc/tm.texi: Document them.

        * combine.c (nonzero_bits) [CLZ, CTZ]: Handle the definedness
        of the value at zero properly.
        * fold-const.c (tree_expr_nonnegative_p): Likewise.
        * simplify-rtx.c (simplify_unary_operation): Likewise.

        * config/alpha/alpha.h (CLZ_DEFINED_VALUE_AT_ZERO): New.
        (CTZ_DEFINED_VALUE_AT_ZERO): New.

        * config/arm/arm.c (TARGET_INIT_BUILTINS): Remove.
        (TARGET_EXPAND_BUILTIN): Remove.
        (def_builtin, arm_init_builtins, arm_expand_builtin): Remove.
        * config/arm/arm.h (CLZ_DEFINED_VALUE_AT_ZERO): New.
        (enum arm_builtins): Remove.
        * config/arm/arm.md (UNSPEC_CLZ): Remove.
        (clzsi2): Rename from clz; use clz instead of unspec.
        (ctzsi2): New.
        * config/arm/arm-protos.h: Update.

2003-02-05  Jan Hubicka  <jh@suse.cz>

        * i386-protos.h (x86_emit_floatuns):  Declare.
        * i386.c (x86_emit_floatuns): New global function.
        * i386.md (floatunssisf2, floatunsdisf2,
        floatunsdidf2):  New patterns.

2003-01-25  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * cfgloopmanip.c (force_single_succ_latches): Fix missindentation.

2003-02-05  Hans Boehm <Hans.Boehm@hp.com>

        * config/ia64/unwind-ia64.c: include coretypes.h, tm.h to get
          config/ia64/linux.h

2003-02-05  Roger Sayle  <roger@eyesopen.com>

        * cfgloop.h (flow_bb_inside_loop_p): Correct prototype again.

2003-02-05  Jakub Jelinek  <jakub@redhat.com>

        PR optimization/8555
        * config/i386/i386.md (sse_mov?fcc split): Handle op2 == op3 case
        instead of aborting.

2003-02-04  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.md (UNSPEC_BSF): Remove.
        (ffssi2): Split into cmove and no_cmove insns and splitters;
        lose pentium float trick for now.
        (ffssi_1): Add * to name; use CTZ instead of UNSPEC.
        (ctzsi2, clzsi2, bsr): New.

2003-02-04  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (rtx_needs_barrier): Handle POPCOUNT,
        UNSPEC_GETF_EXP; remove UNSPEC_POPCNT.
        * config/ia64/ia64.md (UNSPEC_POPCNT): Remove.
        (ffsdi2): Use popcount instead of unspec.
        (popcountdi2): Rename from *popcnt.
        (ctzdi2, clzdi2, getf_exp_tf): New.

2003-02-04  Kazu Hirata  <kazu@cs.umass.edu>

        * genconfig.c (main): Generate CC0_P.
        * rtl.h (CC0_P): Remove.

2003-02-04  Richard Henderson  <rth@redhat.com>

        * libgcc2.h, libgcc2.c (__ffsSI2): New.
        (__ffsDI2): Rename from __ffsdi2.
        * mklibgcc.in (lib2funcs): Add _ffssi2.

2003-02-04  Richard Henderson  <rth@redhat.com>

        * libgcc2.c (__paritysi2, __paritydi2): Replace last two reduction
        rounds with a "bit table" lookup.

2003-02-04  Ulrich Weigand  <uweigand@de.ibm.com>

        * reload.c (find_reloads): Do not use the mode specified in the insn
        pattern as reload mode for address operands.  Do not generate optional
        reloads for operands where a mandatory reload was already pushed.

2003-02-04  Richard Henderson  <rth@redhat.com>

        * longlong.h [alpha] (count_leading_zeros, count_trailing_zeros): Use
        builtins instead of inline assembly.

2003-02-04  Falk Hueffner  <falk.hueffner@student.uni-tuebingen.de>

        PR c/9376
        * libgcc2.c (__subvdi3): Fix typo.

2003-02-04  Jan Hubicka  <jh@suse.cz>

        * i386.md (movti_rex64):  Fix constraint.

2003-02-04  Jan Hubicka  <jh@suse.cz>

        * i386.md (vector push splitters):  Fix typo in resolving conflict.

2003-02-04  Rodney Brown  <rbrown64@csc.com.au>

        * config/i386/i386.c (x86_function_profiler): Fix typo in format.

2003-02-04  Phil Edwards  <pme@gcc.gnu.org>

        * doc/install.texi (*-*-linux-gnu):  Mention glibc requirements
        for recent libstdc++.  Remove formatting cruft.

2003-02-04  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (dwarf2out_finish): Add AT_comp_dir
        attribute even if input file name is absolute, but one of the
        includes is relative.

2003-02-04  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/gcc.texi, doc/gccint.texi, doc/gcov.texi,
        doc/include/fdl.texi, doc/invoke.texi: Update to GFDL 1.2.
        * doc/install.texi: Update copyright dates.  Update to GFDL 1.2.

2003-02-03  Richard Henderson  <rth@redhat.com>

        * libgcc2.c (__ffsdi2, __clzsi2, __clzdi2, __ctzsi2, __ctzdi2,
        __popcountsi2, __popcountdi2, __paritysi2, __paritydi2): Change
        return type to "int".  Shuffle declarations and undef int trap.
        * libgcc2.h: Remove their declarations.
        * optabs.c (expand_unop): Force outmode to int for bitops.

2003-02-03  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (order_regs_for_local_alloc): Order the
        coprocessor registers before floating-point registers.
        * config/xtensa/xtensa.h (REG_ALLOC_ORDER): Adjust register numbers
        to account for a previously removed register.
        (SPEC_REG_FIRST, SPEC_REG_LAST, SPEC_REG_NUM, COUNT_REGISTER_REGNUM):
        Delete unused macros.

2003-02-03  Jan Hubicka  <jh@suse.cz>

        * i386.c (ix86_expand_store_builtin):  Always force op1 to register.
        (mov*_internal): Fix predicates; require one of operands to not be
        memory.
        (SSE?MMX move expanders):  Fix predicates; force one of operands to
        register.
        (SSE/MMX push patterns): Reorganize; fix x86-64 code generation.
        (movups/movupd/movdqu patterns): Force one of operands to not be
        memory.

2003-02-03  Roger Sayle  <roger@eyesopen.com>

        * hooks.c (hook_rtx_rtx_identity): Generic hook function that
        takes a single rtx and returns it unmodified.
        * hooks.h (hook_rtx_rtx_identity): Prototype here.
        * target.h (struct gcc_target): Add "delegitimize_address"
        field to target structure.
        * target-def.h (TARGET_DELEGITIMIZE_ADDRESS):  Provide default
        for delegitimize_address target using hook_rtx_rtx_identity.
        (TARGET_INITIALIZER): Initialize delegitimize_address field
        using TARGET_DELEGITIMIZE_ADDRESS macro.
        * simplify-rtx.c (avoid_constant_pool_reference): Handle float
        extensions of constant pool references.  Use delegitimize_address
        to undo the obfuscation of "-fpic".
        * Makefile.in (simplify-rtx.o): Add dependency on target.h.

        * config/i386/i386.c (TARGET_DELEGITIMIZE_ADDRESS): Define as
        i386_simplify_dwarf_addr.
        (ix86_find_base_term): Simplify using i386_simplify_dwarf_addr.
        (maybe_get_pool_constant): Likewise.

2003-02-03  Jan Hubicka  <jh@suse.cz>

        * i386.c (ix86_expand_int_movcc):  Fix setcc sign bit case.

2003-02-03  Jan Hubicka  <jh@suse.cz>

        * regclass.c (cannot_change_mode_set_regs): Correct argument order.

2003-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * mips/_tilib.c: Don't include tsystem.h or defaults.h.  Don't
        define LIBGCC2_WORDS_BIG_ENDIAN.  Include coretypes.h and tm.h.

2003-02-02  Andreas Schwab  <schwab@suse.de>

        * varasm.c (asm_output_aligned_bss): Declare as possibly unused.

2003-02-02  Richard Earnshaw  <rearnsha@arm.com>

        * arm.md (sibcall_epilogue): Set the "conds" to "clob".
        (epilogue_insns): Likewise.

2003-02-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * doc/install.texi (hppa*-hp-hpux11*): Update installation notes.

2003-02-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa-protos.h (attr_length_millicode_call): Remove second argument.
        (attr_length_indirect_call, attr_length_indirect_call,
        attr_length_save_restore_dltp): New prototypes.
        * pa.c (attr_length_millicode_call): Remove second argument.  Check
        INSN_ADDRESSES_SET_P in distance calculation.
        (output_millicode_call): Check INSN_ADDRESSES_SET_P before using
        INSN_ADDRESSES.
        (attr_length_call): Check INSN_ADDRESSES_SET_P in distance calculation.
        (output_call): Check INSN_ADDRESSES_SET_P before using INSN_ADDRESSES.
        Call attr_length_call directly.
        (attr_length_indirect_call, output_indirect_call,
        attr_length_save_restore_dltp): New functions.
        * pa.md (attr_length_millicode_call): Drop second argument from all
        patterns.
        (return_internal_pic): Delete.
        (return_external_pic): Remove use of PIC register and pic operand and
        flag checks.
        (epilogue): Use return_internal for both normal and pic code.
        (call, call_value): Emit new 32-bit pic patterns for symref and
        indirect calls.  Remove uses for arg pointer and pic register.
        (call_symref_pic, call_symref_pic_post_reload, call_reg_pic,
        call_reg_pic_post_reload, call_val_symref_pic,
        call_val_symref_pic_post_reload, call_val_reg_pic,
        call_val_reg_pic_post_reload): New pre and post reload insn patterns.
        Implement define_split and define_peephole2 patterns for pre reload
        patterns.
        (call_symref_64bit, call_internal_reg_64bit, call_value_symref_64bit,
        call_value_internal_reg_64bit): Shorten names.
        (all call patterns): Explicitly indicate registers used and clobbered.
        Use attr_length_indirect_call and attr_length_save_restore_dltp for
        attribute length calculation.  Move code generation for indirect calls
        to output_indirect_call.
        (sibcall, sibcall_value): Don't restore PIC register.
        (exception_receiver, builtin_setjmp_receiver): Add blockage after PIC
        register retore.

2003-02-02  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/install.texi (Testing): Simplify and compress instructions
        concerning Dejagnu.

2003-02-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * collect2.c (pexecute_pid): Rename to pid.
        (collect_wait, collect_execute, scan_prog_file, scan_libraries): Use
        pid.

2003-02-01  Geoffrey Keating  <geoffk@apple.com>

        * doc/extend.texi (Function Attributes): Remove documentation
        for PowerPC Windows NT function attributes..

2003-02-01  Daniel Jacobowitz  <drow@mvista.com>

        * dwarf2out.c (gen_type_die): Check for typedefs before calling
        for TYPE_MAIN_VARIANT.

2003-02-01  Richard Henderson  <rth@redhat.com>

        * libgcc2.c: Include auto-host.h.
        (ATTRIBUTE_HIDDEN): New.
        (__clz_tab): Don't declare here for clz and ctz.
        (__clzsi2, __clzdi2): Use count_leading_zeros.
        (__ctzsi2, __ctzdi2): Use count_trailing_zeros.
        (__popcount_tab): Mark ATTRIBUTE_HIDDEN.
        (__paritysi2, __paritydi2): Use shifts instead of __popcount_tab.
        * longlong.h (__clz_tab): Mark ATTRIBUTE_HIDDEN.

2003-02-01  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.md (addsi_1_zext splitter): Add TARGET_64BIT
        to the conditional.
        (ashlsi3_1_zext splitter): Likewise.

2003-02-01  Richard Henderson  <rth@redhat.com>

        * optabs.c (expand_unop): Use word_mode for outmode of bit scaners.
        * libgcc2.c (__ffsdi2, __clzsi2, __clzdi2, __ctzsi2, __ctzdi2,
        __popcountsi2, __popcountdi2, __paritysi2 __paritydi2): Change
        return type to Wtype.

        * libgcc-std.ver (GCC_3.4): Fix inheritance.

        * config/i386/i386.md (ffssi2): Use nonimmediate_operand for
        expander input constraint.

2003-02-01  Falk Hueffner  <falk.hueffner@student.uni-tuebingen.de>

        * optabs.h (optab_index): Add OTI_clz, OTI_ctz, OTI_popcount and
        OTI_parity.
        (clz_optab, ctz_optab, popcount_optab, parity_optab): New.
        * optabs.c (widen_clz, expand_parity): New.
        (expand_unop): Handle clz and parity.  Hardcode SImode as outmode
        for libcalls to clz, ctz, popcount, and parity.
        (init_optabs): Init clz_optab, ctz_optab, popcount_optab and
        parity_optab, and set up libfunc handlers.
        * libgcc2.c (__clzsi2, __clzdi2, __ctzsi2, __ctzdi2,
        __popcountsi2, __popcountdi2, __paritysi2 __paritydi2,
        __popcount_tab): New.
        * libgcc2.h: Declare them.
        * libgcc-std.ver (GCC_3.4): Add new functions from libgcc2.c.
        * genopinit.c (optabs): Add clz_optab, ctz_optab, popcount_optab
        and parity_optab.
        * builtin-types.def (BT_FN_INT_LONG, BT_FN_INT_LONGLONG): New.
        * builtins.def (BUILT_IN_CLZ, BUILT_IN_CTZ, BUILT_IN_POPCOUNT,
        BUILT_IN_PARITY, BUILT_IN_FFSL, BUILT_IN_CLZL, BUILT_IN_CTZL,
        BUILT_IN_POPCOUNTL, BUILT_IN_PARITYL, BUILT_IN_FFSLL,
        BUILT_IN_CLZLL, BUILT_IN_CTZLL, BUILT_IN_POPCOUNTLL,
        BUILT_IN_PARITYLL): New.
        * builtins.c (expand_builtin_unop): Rename from expand_builtin_ffs
        and add optab argument.
        (expand_builtin): Expand BUILT_IN_{FFS,CLZ,POPCOUNT,PARITY}*.
        * tree.def (CLZ_EXPR, CTZ_EXPR, POPCOUNT_EXPR, PARITY_EXPR): New.
        * expr.c (expand_expr): Handle them.
        * fold-const.c (tree_expr_nonnegative_p): Likewise.
        * rtl.def (CLZ, CTZ, POPCOUNT, PARITY): New.
        * reload1.c (eliminate_regs): Handle them.
        (elimination_effects): Likewise.
        * function.c (instantiate_virtual_regs_1): Likewise
        * genattrtab.c (check_attr_value): Likewise.
        * simplify-rtx.c (simplify_unary_operation): Likewise.
        * c-common.c (c_common_truthvalue_conversion): Handle POPCOUNT_EXPR.
        * combine.c (combine_simplify_rtx): Handle POPCOUNT and PARITY.
        (nonzero_bits): Handle CLZ, CTZ, POPCOUNT and PARITY.
        * config/alpha/alpha.md (clzdi2, ctzdi2, popcountdi2): New.
        * config/arm/arm.c (arm_init_builtins): Rename __builtin_clz to
        __builtin_arm_clz.
        * Makefile.in (LIB2FUNCS_1, LIB2FUNCS_2): Move...
        * mklibgcc.in (lib2funcs): ...here and merge.  Add new members.
        * doc/extend.texi (Other Builtins): Add new builtins.
        * doc/md.texi (Standard Names): Add new patterns.

2003-02-01  Ulrich Weigand  <uweigand@de.ibm.com>

        * reload.c: Revert 2003-01-31 change.

2003-02-01  Jan Hubicka  <jh@suse.cz>

        * combine.c (combine_simplify_rtx):  Use reversed_comparison_code_parts.

2003-02-01  Richard Sandiford  <rsandifo@redhat.com>

        * flags.h (flag_volatile): Remove declaration.
        (flag_volatile_global, flag_volatile_static): Likewise.
        * c-typeck.c (build_indirect_ref): Don't check flag_volatile.
        * toplev.c (flag_volatile): Remove definition.
        (flag_volatile_global, flag_volatile_static): Likewise.
        (f_options): Remove corresponding entries here.
        * varasm.c (make_decl_rtl): Don't check flag_volatile_global
        or flag_volatile_static.
        * doc/invoke.texi: Remove documentation of -fvolatile,
        -fvolatile-global and -fvolatile-static.

2003-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (pa_output_function_prologue, pa_output_function_epilogue): Move
        updating of total_code_bytes from prologue to epilogue.

2003-01-31  Ulrich Weigand  <uweigand@de.ibm.com>

        * reload.c (find_reloads): Do not use the mode specified in the insn
        pattern as reload mode for address operands.  Do not generate optional
        reloads for operands where a mandatory reload was already pushed.
        Generate optional reloads only in the final pass though find_reloads.
        (have_replacement_p): New function.

2003-01-31  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/install.texi (Testing): Remove a reference to our obsolete
        /testresults web pages and strip redundant information concerning
        test results.
        (Binaries): Refer to Microsoft Windows instead of listing all
        possible variants.

2003-02-01  Jan Hubicka  <jh@suse.cz>

        * loop.c (emit_prefetch_instructions):  Do conversion at right place in
        RTL chain.

        * combine.c (simplify_set): Reverse order of ragumetns to
        REG_CANNOT_CHANGE_MODE_P
        * df.c (df_def_record_1): Likewise.
        * recog.c (register_operand): Likewise.
        * simplify-rtx.c (simplify_subreg): Likewise.
        * hard-reg-set.h (REG_CANNOT_CHANGE_MODE_P): Update use of
        CANNOT_CHANGE_MODE_CLASS.
        * regclass.c (cannot_change_mode_set_regs, invalid_mode_change_p):
        Likewise.
        * reload.c (push_reload): Likewise.
        * alpha.h (CANNOT_CHANGE_MODE_CLASS): Update definition.
        * ia64.h (CANNOT_CHANGE_MODE_CLASS): Update definition.
        * mips.h (CANNOT_CHANGE_MODE_CLASS): Update definition.
        * mips-protos.h (mips_cannot_change_mode_class): Update prototype.
        * mips.c (mips_cannot_change_mode_class): Update.
        * pa64-regs.h (CANNOT_CHANGE_MODE_CLASS): Update definition.
        * rs6000.h (CANNOT_CHANGE_MODE_CLASS): Update definition.
        * s390.h (CANNOT_CHANGE_MODE_CLASS): Update definition.
        * sh.h (CANNOT_CHANGE_MODE_CLASS): Update definition.
        * sh-protos.h (sh_cannot_change_mode_class): Update prototype.
        * sh.c (sh_cannot_change_mode_class): Update.
        * i386.h (CANNOT_CHANGE_MODE_CLASS): New.
        * tm.texi (CANNOT_CHANGE_MODE_CLASS): Update documentation.

2003-01-31  Geoffrey Keating  <geoffk@apple.com>

        * config/darwin.h (LINK_COMMAND_SPEC): Update for Nathan's recent
        change to LINK_COMMAND_SPEC in gcc.c.

2003-01-31  Jan Hubicka  <jh@suse.cz>

        PR c/9506
        * i386.c (override_options): Use DEFAULT_PCC_STRUCT_RETURN.

2003-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa32-regs.h (REGNO_REG_CLASS, REG_CLASS_FROM_LETTER): Delete
        duplicated code.

2003-01-31  Nathan Sidwell  <nathan@codesourcery.com>

        * tree.h (TYPE_BINFO_SIZE, TYPE_BINFO_SIZE_UNIT): Remove.
        (BINFO_ELTS): New #define.
        * stor-layout.c (finalize_record_size): Don't set them.
        * cp/cp-tree.h (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX,
        BINFO_PRIMARY_BASE_OF): Use BINFO_ELTS.
        (BINFO_LANG_ELTS): New #define.
        * cp/tree.c (make_binfo): Use BINFO_LANG_ELTS.
        * java/class.c (make_class): Use BINFO_ELTS.
        (set_super_info): Likewse.
        (add_interface_do): Likewise.
        * objc/objc-act.c (start_class): Use BINFO_ELTS.

2003-01-31 Danny Smith <dannysmith@users.sourceforge.net>

        * timevar.c (getrusage): Don't ever declare if not HAVE_GETRUSAGE.
        (times): Don't ever declare if not HAVE_TIMES.
        (clock): Don't ever declare if not HAVE_CLOCK.

2003-01-30  Richard Henderson  <rth@redhat.com>

        * flow.c (update_life_info): Zap life info after cleanup_cfg.
        (regno_uninitialized): Use correct live at function entry set.
        (regno_clobbered_at_setjmp): Likewise.

        * expr.c (store_expr): Promote all MEM intermediates to regs.

2003-01-30  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arm/arm.c: Fix comment typos.
        * config/arm/arm.h: Likewise.
        * config/arm/netbsd-elf.h: Likewise.
        * config/arm/netbsd.h: Likewise.

2003-01-30  Geoffrey Keating  <geoffk@apple.com>

        * gengtype.c (struct walk_type_data): Add needs_cast_p.
        (walk_type): Set needs_cast_p in walk_type_data.
        (write_types_process_field): Supply casts when required to suppress
        warnings.
        (write_root): Cast gt_pch_n_S to suppress warning.
        * Makefile.in: Remove -Wno-error from gtype-desc.o and c-decl.o.
        * config/rs6000/rs6000.c (print_operand): Mask off high bits only
        when they might exist.
        * config/rs6000/t-rs6000: Remove -Wno-error from varasm.o,
        insn-conditions.o, and rs6000.o.

2003-01-30  Richard Henderson  <rth@redhat.com>

        * ggc-page.c (G.context_depth_allocations): New.
        (G.context_depth_collections): New.
        (alloc_page): Set G.context_depth_allocations.
        (ggc_collect): Set G.context_depth_collections.
        (ggc_push_context): Limit to HOST_BITS_PER_LONG contexts.
        (ggc_pop_context): Early exit for no allocations or collections.

2003-01-30  Richard Henderson  <rth@redhat.com>

        * tree-inline.c (walk_tree): Streamline duplicate hash table lookup.

2003-01-30  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_compute_initial_elimination_offset): If optimizing for
        size, the link register is always saved if any other register is
        saved.

2003-01-30  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Update the prototype for
        compute_plussi_cc.
        (cpp_reader): Declare before it is used.
        * config/h8300/h8300.c (compute_plussi_cc): Change the return
        type to int.
        * config/h8300/h8300.md (monitor_prologue): Call abort() if we
        see an unknown H8 variant.

2003-01-30  Ralf Corsepius  <corsepiu@faw.uni-ulm.de>

        PR target/9316
        * config/rs6000/rtems.h: Add CPP_OS_DEFAULT_SPEC.
        * config/rs6000/sysv4.h: Add CPP_OS_RTEMS_SPEC.
        * config/rs6000/t-rtems: New file. multilib variants to match OS.
        * config.gcc (powerpc-*-rtems*): Use rs6000/t-rtems instead of
        rs6000/t-ppcgas so we get the desired multilibs.

2003-01-30  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.c (arm_output_epilogue): Update stack pointer
        when popping saved IP register off the stack.

2003-01-30  Kazu Hirata  <kazu@cs.umass.edu>

        * config/rs6000/aix43.h: Fix comment typos.
        * config/rs6000/aix51.h: Likewise.
        * config/rs6000/aix52.h: Likewise.
        * config/rs6000/altivec.h: Likewise.
        * config/rs6000/rs6000.c: Likewise.
        * config/rs6000/rs6000.h: Likewise.
        * config/rs6000/rs6000.md: Likewise.
        * config/rs6000/spe.md: Likewise.

2003-01-29  Mark Mitchell  <mark@codesourcery.com>

        * c-common.c (builtin_define_float_constants): Define
        __<TYPE>_HAS_INFINITY__ and __<TYPE>_HAS_QUIET_NAN__.

2003-01-30  Kazu Hirata  <kazu@cs.umass.edu>

        * config/sh/lib1funcs.asm: Fix comment typos.
        * config/sh/linux.h: Likewise.
        * config/sh/sh.c: Likewise.
        * config/sh/sh.md: Likewise.

2003-01-30  Loren James Rittle  <ljrittle@acm.org>

        * objc/Make-lang.in (objc-parse.y): Find c-parse.in in $(srcdir).

2003-01-30  Alexandre Oliva  <aoliva@redhat.com>

        * config/fp-bit.h (__make_dp): Declare if TMODES.

2003-01-29  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.h (PREDICATE_CODES): Add entries for
        general_operand_src and general_operand_dst.

2003-01-29  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (function_arg_pass_by_reference):
        Return true for variable sized types.
        (rs6000_va_arg): Handle variable sized types passed by reference
        on non-SVR4 ABI.

2003-01-29  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_legtimize_address): New function.
        * arm-protos.h (arm_legtimize_address): Add prototype.
        * arm.h (ARM_LEGITIMIZE_ADDRESS): Use arm_legitimize_address.
        (LEGITIMIZE_ADDRESS, THUMB_LEGITIMIZE_ADDRESS): Wrap with
        do ... while (0)

2003-01-29  Joel Sherrill  <joel@OARcorp.com>

        PR bootstrap/9296
        * gthr-rtems.h: Define __GTHREAD_MUTEX_INIT.  Apparently no code
        depended on it being defined until now.

2003-01-29  Joel Sherrill  <joel@OARcorp.com>

        PR target/9295
        * config/mips/rtems.h: Predefine __USE_INIT_FINI__ so generic
        RTEMS code knows which C++ initialization style the toolset
        configuration is using.

2003-01-29  Joel Sherrill  <joel@OARcorp.com>

        PR bootstrap/9293
        * config/m68k/t-crtstuff: Replace spaces with tabs, add
         $(MULTILIB_CFLAGS) as compiler option and multilib crtbegin/end.o.

2003-01-29  Joel Sherrill  <joel@OARcorp.com>

        PR bootstrap/9292
        * config.gcc (hppa1.1-rtems):  Did not include t-rtems nor enable
        RTEMS threads.
        * config/pa/rtems.h (LIB_SPEC): Use -N when linking.

2003-01-29  Nick Clifton  <nickc@redhat.com>

        * Makefile.in (c-parse.o): Locate source file in $(parsedir)
        not $(srcdir).

2003-01-29  Andrew Haley  <aph@redhat.com>

        * tree-inline.c (walk_tree): Add CHAR_TYPE.

2003-01-29  Jan Hubicka  <jh@suse.cz>

        * i386.md (subdi3_carry_rex64): Fix typo.

2003-01-28  Stan Shebs  <shebs@apple.com>

        * coretypes.h (cpp_reader): Forward declare struct.
        * c-pragma.h (cpp_reader): Remove forward declaration.
        * hashtable.h (cpp_reader): Likewise.
        * scan.h (cpp_reader): Likewise.
        * tree.h (cpp_reader): Likewise.
        * config/darwin-protos.h (cpp_reader): Likewise.
        * config/arm/arm-protos.h (cpp_reader): Likewise.
        * config/rs6000/rs6000-protos.h: Remove GCC_CPPLIB_H ifdef, use
        struct cpp_reader in prototypes.

2003-01-28  Christian Cornelssen  <ccorn@cs.tu-berlin.de>

        * doc/install.texi: Add documentation for installation into
        tooldirs and with DESTDIR.

2003-01-28  Richard Henderson  <rth@redhat.com>

        * config.gcc (ia64*-*-aix*): Remove.
        * config/ia64/aix.h, config/ia64/t-aix: Remove file.
        * config/ia64/unwind-aix.c: Remove file.

2003-01-28  Andreas Schwab  <schwab@suse.de>

        * config/m68k/m68k.md (tablejump+2): Don't sign extend an address
        register.
        * config/m68k/apollo68.h (ASM_RETURN_CASE_JUMP): Likewise.
        * config/m68k/coff.h (ASM_RETURN_CASE_JUMP): Likewise.
        * config/m68k/linux.h (ASM_RETURN_CASE_JUMP): Likewise.
        * config/m68k/m68kelf.h (ASM_RETURN_CASE_JUMP): Likewise.
        * config/m68k/mot3300.h (ASM_RETURN_CASE_JUMP): Likewise.
        * config/m68k/netbsd-elf.h (ASM_RETURN_CASE_JUMP): Likewise.
        * config/m68k/pbb.h (ASM_RETURN_CASE_JUMP): Likewise.

2003-01-28  Richard Sandiford  <rsandifo@redhat.com>

        * combine.c (nonzero_bits): Fix check for negative divide operands.

2003-01-28  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (ia64_rwreloc_section_type_flags): New.
        * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): New.

2003-01-28  Richard Henderson  <rth@redhat.com>

        * cse.c (find_best_addr): Kill !ADDRESS_COST code.

        * config/cris/cris.c (cris_address_cost): Make static.
        (TARGET_RTX_COSTS, TARGET_ADDRESS_COST): New.
        * config/cris/cris.h (ADDRESS_COST): Remove.
        * config/cris/cris-protos.h: Update.

2003-01-23  Mike Stump  <mrs@apple.com>

        * regclass.c (init_reg_autoinc): New function.
        (regclass): Move initialization of forbidden_inc_dec_class from
        here...
        (init_regs): to here.  Avoids reinitialization for each function,
        saving compilation time.

2003-01-28  Jason Merrill  <jason@redhat.com>

        * cpplib.h (struct cpp_options): Add warn_deprecated field.
        * cppinit.c (cpp_create_reader): Turn it on by default.
        * c-opts.c (c_common_decode_option): Set it.
        * cpplib.c (do_pragma_once): Only complain about #pragma once
        if warn_deprecated is set.

2003-01-28  Dale Johannesen  <dalej@apple.com>

        * emit-rtl.c (const_double_htab_hash):  Use mode in the hash.
        * loop.c (scan_loop):  Move movables on -Os rich-register targets.
        * config/rs6000/rs6000.md (sibcall*):  Use match_operand for LR.

2003-01-28  Richard Henderson  <rth@redhat.com>

        * target.h (targetm.address_cost): New.
        * target-def.h (TARGET_ADDRESS_COST): New.
        (TARGET_RTX_COSTS): Uncomment.  Oops.
        * cse.c (address_cost): Use new target hook.
        (default_address_cost): New.
        * output.h (default_address_cost): Declare.
        * hooks.c (hook_int_rtx_0): New.
        * hooks.h (hook_int_rtx_0): Declare.
        * loop.c (combine_givs_p): Remove if 0 code.
        * system.h (ADDRESS_COST): Poison.

        * config/alpha/alpha.c, config/alpha/alpha.h, config/d30v/d30v.c,
        config/d30v/d30v.h, config/ia64/ia64.c, config/ia64/ia64.h,
        config/m32r/m32r.c, config/m32r/m32r.h, config/mcore/mcore.c,
        config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.h,
        config/rs6000/rs6000.c, config/rs6000/rs6000.h, config/sparc/sparc.c,
        config/sparc/sparc.h, config/v850/v850.c, config/v850/v850.h,
        config/xtensa/xtensa.c, config/xtensa/xtensa.h
        (TARGET_ADDRESS_COST): Define as hook_int_rtx_0.
        (ADDRESS_COST): Remove.

        * config/arc/arc-protos.h, config/arc/arc.c, config/arc/arc.h,
        config/avr/avr-protos.h, config/avr/avr.c, config/avr/avr.h,
        config/c4x/c4x-protos.h, config/c4x/c4x.c, config/c4x/c4x.h,
        config/dsp16xx/dsp16xx-protos.h, config/dsp16xx/dsp16xx.c,
        config/dsp16xx/dsp16xx.h, config/i386/i386-protos.h,
        config/i386/i386.c, config/i386/i386.h, config/i960/i960-protos.h,
        config/i960/i960.c, config/i960/i960.h, config/ip2k/ip2k-protos.h,
        config/ip2k/ip2k.c, config/ip2k/ip2k.h, config/mips/mips-protos.h,
        config/mips/mips.c, config/mips/mips.h,
        config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c,
        config/m68hc11/m68hc11.h, config/ns32k/ns32k-protos.h,
        config/ns32k/ns32k.c, config/ns32k/ns32k.h, config/pa/pa-protos.h,
        config/pa/pa.c, config/pa/pa.h, config/s390/s390-protos.h,
        config/s390/s390.c, config/s390/s390.h, config/vax/vax-protos.h,
        config/vax/vax.c, config/vax/vax.h
        (foo_address_cost): Make static.
        (TARGET_ADDRESS_COST): New.
        (ADDRESS_COST): Remove.

        * config/arm/arm.h, config/arm/arm.c, config/m88k/m88k.h,
        config/m88k/m88k.c, config/romp/romp.h, config/romp/romp.c,
        config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
        config/stormy16/stormy16.h
        (ADDRESS_COST): Move code ...
        (foo_address_cost): ... here.
        (TARGET_ADDRESS_COST): New.

        * config/m32r/m32r.c (m32r_address_cost): Remove.
        * config/m32r/m32r-protos.h: Update.

        * config/mmix/mmix.c (mmix_address_cost): Remove.
        * config/mmix/mmix-protos.h: Update.

        * config/mn10300/mn10300.c (mn10300_address_cost_1): Rename from
        mn10300_address_cost; move unsig allocation ...
        (mn10300_address_cost): ... here.
        (TARGET_ADDRESS_COST): New.
        * config/mn10300/mn10300-protos.h: Update.
        * config/mn10300/mn10300.h (ADDRESS_COST): Remove.

        * doc/tm.texi: Update.

2003-01-28  Vladimir Makarov  <vmakarov@redhat.com>

        * haifa-sched.c (schedule_insn): Return necessary cycle advance
        after issuing the insn.
        (rank_for_schedule): Make a insn with /S the highest priority
        insn.
        (move_insn): Ignore schedule groups.  Clear SCHED_GROUP_P.
        (choose_ready): Check SCHED_GROUP_P.
        (schedule_block): Advance cycle after issuing insn if it is
        necessary.  Don't reorder insns if there is an insn with /S.
        (set_priorities): Ignore schedule groups.

        * sched-deps.c (remove_dependence, group_leader): Remove the
        functions.
        (add_dependence): Ignore schedule groups.
        (set_sched_group_p): Don't make copy of dependencies from previous
        insn of the schedule group.  Add anti-dependency to the previous
        insn of the schedule group.
        (compute_forward_dependences): Ignore schedule groups.

        * sched-ebb.c (init_ready_list): Ignore schedule groups.

        * sched-rgn.c (init_ready_list): Ditto.
        (can_schedule_ready_p): Ditto.

2003-01-28  Vladimir Makarov  <vmakarov@redhat.com>

        * config/i386/i386.md (*movsi_1): Use movdqa to move one xmm
        register to another one.

2003-01-28  Richard Henderson  <rth@redhat.com>

        * calls.c (default_must_pass_in_stack): Fix typo in !type case.

2003-01-28  Roger Sayle  <roger@eyesopen.com>

        * cse.c (cse_insn): Avoid redundant REG_EQUAL notes.

2003-01-28  Richard Sandiford  <rsandifo@redhat.com>

        * config/sh/sh.h (CLASS_MAX_NREGS): If TARGET_SHMEDIA, and the given
        class contains a floating-point register, return the size of the
        mode in half words.

2003-01-28  Jan Hubicka  <jh@suse.cz>

        * i386.c (ix86_carry_flag_operator):  New predicate.
        (fcmov_operator): Fix whitespace.
        (ix86_expand_carry_flag_compare):  Deal with floating point.
        (ix86_expand_int_movcc): Deal with fp; update insn expansion
        (ix86_expand_int_addcc): Likewise.
        (ix86_expand_strlensi_unroll_1): likewsie.
        * i386.h (PREDICATE_CODES): Add ix86_carry_flag_operator.
        * i386.md (add?i_carry_rex64): Use new predicate.
        (sub?i3_carry_rex64): Likewise.
        (x86_mov?icc_0_m1*): Likewise.

2003-01-28  Andreas Schwab  <schwab@suse.de>

        * cfgloopmanip.c (create_preheader): Initialize src to avoid
        warning.

        * expmed.c (emit_store_flag): Fix cast to avoid sign
        comparison warning.

        * combine.c (force_to_mode): Add cast to fix warning when
        STORE_FLAG_VALUE is negative.

2003-01-27  Richard Henderson  <rth@redhat.com>

        * Makefile.in (cse.o): Depend on TARGET_H.
        * cse.c (rtx_cost): Use targetm.rtx_costs.
        * system.h (CONST_COSTS RTX_COSTS DEFAULT_RTX_COSTS): Poison.
        * doc/tm.texi: Update.

        * target.h (targetm.rtx_costs): New.
        * target-def.h (TARGET_RTX_COSTS): New.
        * hooks.c (hook_bool_rtx_int_int_intp_false): New.
        * hooks.h: Update.

        * config/alpha/alpha.c (alpha_rtx_cost_data): New.
        (alpha_rtx_costs, TARGET_RTX_COSTS): New.
        * config/alpha/alpha.h (PROCESSOR_MAX): New.
        (CONST_COSTS, RTX_COSTS): Remove.

        * config/arc/arc.c, config/arc/arc.h, config/c4x/c4x.c,
        config/c4x/c4x.h, config/cris/cris.c, config/cris/cris.h,
        config/d30v/d30v.c, config/d30v/d30v.h, config/dsp16xx/dsp16xx.c,
        config/dsp16xx/dsp16xx.h, config/frv/frv.c, config/frv/frv.h,
        config/h8300/h8300.c, config/h8300/h8300.h, config/i370/i370.c,
        config/i370/i370.h, config/i386/i386.c, config/i386/i386.h,
        config/i960/i960.c, config/i960/i960.h, config/ia64/ia64.c,
        config/ia64/ia64.h, config/m32r/m32r.c, config/m32r/m32r.h,
        config/m68k/m68k.c, config/m68k/m68k.h, config/m88k/m88k.c,
        config/m88k/m88k.h, config/mcore/mcore.c, config/mcore/mcore.h,
        config/mips/mips.c, config/mips/mips.h, config/mn10200/mn10200.c,
        config/mn10200/mn10200.h, config/mn10300/mn10300.c,
        config/mn10300/mn10300.h, config/ns32k/ns32k.c, config/ns32k/ns32k.h,
        config/pa/pa.c, config/pa/pa.h, config/pdp11/pdp11.c,
        config/pdp11/pdp11.h, config/romp/romp.c, config/romp/romp.h,
        config/rs6000/rs6000.c, config/rs6000/rs6000.h, config/s390/s390.c,
        config/s390/s390.h, config/sh/sh.c, config/sh/sh.h,
        config/stormy16/stormy16.c, config/stormy16/stormy16.h,
        config/v850/v850.c, config/v850/v850.h,
        config/xtensa/xtensa.c, config/xtensa/xtensa.h
        (CONST_COSTS, RTX_COSTS): Move code ...
        (foo_rtx_costs, TARGET_RTX_COSTS): ... here.

        * config/arm/arm.c (arm_rtx_costs_1): Rename from arm_rtx_costs.
        (arm_rtx_costs, TARGET_RTX_COSTS): New.
        * config/arm/arm-protos.h: Update.
        * config/arm/arm.h (DEFAULT_RTX_COSTS): Remove.

        * config/avr/avr.h (CONST_COSTS): Move code ...
        * config/avr/avr.c (avr_rtx_costs): ... here.
        (default_rtx_costs): Make static.
        * config/avr/avr-protos.h: Update.

        * config/h8300/h8300.c (const_costs): Make static.
        (h8300_and_costs, h8300_shift_costs): Likewise.
        * config/h8300/h8300-protos.h: Update.

        * config/ip2k/ip2k.h (DEFAULT_RTX_COSTS): Remove.
        (CONST_COSTS): Move code ...
        * config/ip2k/ip2k.c (ip2k_rtx_costs): ... here.  Rename from
        default_rtx_costs; update for signature change.
        * config/ip2k/ip2k-protos.h: Update.

        * config/m68hc11/m68hc11.h (RTX_COSTS): Remove.
        (CONST_COSTS): Move code ...
        * config/m68hc11/m68hc11.c (m68hc11_rtx_costs): ... here.
        (TARGET_RTX_COSTS): New.
        (m68hc11_rtx_costs_1): Rename from m68hc11_rtx_costs; make static.
        * config/m68hc11/m68hc11-protos.h: Update.

        * config/m68k/m68k.c (const_int_cost): Make static.
        * config/m68k/m68k-protos.h: Update.

        * config/mcore/mcore.c (mcore_const_costs): Make static.
        (mcore_and_cost, mcore_ior_cost): Likewise.
        * config/mcore/mcore-protos.h: Update.

        * config/mmix/mmix.c (mmix_rtx_costs, TARGET_RTX_COSTS): New.
        (mmix_rtx_cost_recalculated): Remove.
        * config/mmix/mmix.h (DEFAULT_RTX_COSTS): Remove.
        * config/mmix/mmix-protos.h: Update.

        * config/sh/sh.c (shiftcosts): Make static.
        (addsubcosts, andcosts, multcosts): Likewise.
        * config/sh/sh-protos.h: Update.

        * config/sparc/sparc.c (TARGET_RTX_COSTS): New.
        (sparc_rtx_costs): Make static; update for change in signature.
        * config/sparc/sparc.h (RTX_COSTS_CASES, RTX_COSTS): Remove.
        * config/sparc/sparc-protos.h: Update.

        * config/v850/v850.c (const_costs): Make static.
        * config/v850/v850-protos.h: Update.

        * config/vax/vax.h (RTX_COSTS): Remove.
        (CONST_COSTS): Move code ...
        * config/vax/vax.c (vax_rtx_costs_1): ... here; rename
        from vax_rtx_cost.
        (vax_rtx_costs, TARGET_RTX_COSTS): New.

2003-01-27  Richard Henderson  <rth@redhat.com>

        * config/vax/vax.h (ASM_OUTPUT_MI_THUNK): Remove.  Really.
        * config/vax/vax-protos.h: Update.  Really.

2003-01-28  Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/mips.h (UNITS_PER_HWFPVALUE): Renamed from...
        (UNITS_PER_FPVALUE): Defined as the width of a long double, or
        zero if no hardware floating point.
        (LONG_DUBLE_TYPE_SIZE): Set to 128 on N32 and N64.
        (MAX_FIXED_MODE_SIZE): Define to LONG_DOUBLE_TYPE_SIZE.
        (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
        (BIGGEST_ALIGNMENT): Same as LONG_DOUBLE_TYPE_SIZE.
        (FUNCTION_VALUE_REGNO_P): Set for FP_RETURN+2 on N32 and N64.
        * config/mips/mips.c (mips_arg_info): Pass TFmode values in
        even FP registers on N32 and N64.
        (mips_setup_incoming_varargs): Use UNITS_PER_HWFPVALUE.
        (mips_va_start): Adjust alignment of ARG_POINTER_REGNUM.
        (mips_va_arg): Use UNITS_PER_HWFPVALUE.  Impose additional
        even-register-like alignment to 128-bit arguments.
        (save_restore_insns): Use UNITS_PER_HWFPVALUE.
        (mips_function_value): Likewise.  Return TFmode in $f0 and $f2
        on N32 or N64.
        * config/mips/_tilib.c (__negti2, __ashlti3, __lshrti3): New.
        * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Add _tilib.c.
        (TPBIT): Set to tp-bit.c.
        (tp-bit.c): Create out of fp-bit.c.

2003-01-28  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-parse.in: Remove '%expect 32' directive in objc mode.

2003-01-27  Nathan Sidwell  <nathan@codesourcery.com>

        * Makefile.in (LIB2FUNCS_ST): Remove _gcov.
        (LIBGCOV): New variable.
        (libgcc.mk): Add LIBGCOV.
        (LIBGCC_DEPS): Add libgcov.c.
        (libgcov.a): New target.
        (clean): Remove libgcov.a.
        (install-libgcc): Do libgcov too.
        (stage1-start, stage2-start, stage3-start, stage4-start): Deal
        with libgcov.a.
        * libgcc2.c (L_gcov): Move into ...
        * libgcov.c: ... here. New file.
        * mklibgcc.in: Add libgcov rules.
        * gcc.c (LINK_COMMAND_SPEC): Add -lgcov when profiling.

        * doc/invoke.texi (profile-arcs, test-coverage): Update and
        clarify.

        * profile.c (index_counts_file): Remove duplicate check for open file.

2003-01-27  Jerry Quinn  <jlquinn@optonline.net>

        * gcc/doc/invoke.texi (Optimization Options): Group together
        optional and experimental flags.  Move trapv and bounds-check
        out of this section.  Group floating point flags together.
        (Code Gen Options): Move trapv and bounds-check to here.

2003-01-27  Josef Zlomek  <zlomekj@suse.cz>

        * gcse.c (constprop_register): Check NEXT_INSN (insn) != NULL.

2003-01-27  Richard Earnshaw  <rearnsha@arm.com>

        PR optimization/9090
        * function.c (purge_addressof_1): After pushing an addressed register
        onto the stack, simplify the result.

2003-01-27  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * doc/extend.texi: Fix typo.

2003-01-27  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * doc/cppopts.texi: Fix typo.
        * doc/objc.texi: Likewise.
        * doc/passes.texi: Likewise.

2003-01-27  Alexandre Oliva  <aoliva@redhat.com>

        * real.c (ibm_extended_format): Add 53 to minimum exponent.
        (encode_ibm_extended): Adjust.

2003-01-26  Gabriel Dos Reis  <gdr@soliton.integrable-solutions.net>

        * timevar.def (TV_OVERLOAD, TV_TEMPLATE_INSTANTIATION): New
        timevar_id enumerations.

2003-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * combine.c: Fix formatting.

2003-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/gccint.texi: Update the copyright.

2003-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/cpp.texi: Fix typos.
        * doc/extend.texi: Likewise.
        * doc/gty.texi: Likewise.
        * doc/install.texi: Likewise.
        * doc/passes.texi: Likewise.
        * doc/rtl.texi: Likewise.
        * doc/tm.texi: Likewise.

2003-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/ia64/fde-glibc.c: Fix comment typos.
        * config/ia64/hpux.h: Likewise.
        * config/ia64/ia64.c: Likewise.
        * config/ia64/ia64.h: Likewise.
        * config/ia64/unwind-ia64.c: Likewise.

2003-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/i386/i386-modes.def: Fix comment typos.
        * config/i386/i386.c: Likewise.
        * config/i386/i386.md: Likewise.

2003-01-26  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * config/avr/avr.h, config/cris/aout.h, config/elfos.h,
        config/i386/freebsd-aout.h, config/mips/iris6.h: Undefine
        ASM_FINISH_DECLARE_OBJECT before defining it.
        * toplev.c (rest_of_decl_compilation):  Don't define
        ASM_FINISH_DECLARE_OBJECT.  Only use it if it is defined.
        (rest_of_type_compilation): Don't ATTRIBUTE_UNUSED function
        parameters for DWARF2 targets because they _are_ used.

2003-01-26  Alexandre Oliva  <aoliva@redhat.com>

        * fp-bit.h: Define macros for TFmode floating-point constants
        in IBM-extended TFmode types.
        (TMODES): Define if __LDBL_MANT_DIG__ has the newly-supported
        widths.
        * config/fp-bit.c (pack_d, unpack_d): Support IBM-extended
        TFmode type.

        * config/fp-bit.h: Define macros for TFmode floating-point
        constants in IEEE quad TFmode type.  Declare functions according
        to L_ macros.
        (TMODES): Define if __LDBL_MANT_DIG__ is 113.
        (TFtype, TItype, UTItype): Define if TMODES is defined.
        (MAX_UDI_INT, MAX_DI_INT, BITS_PER_DI): Likewise.
        (F_T_BITOFF, D_T_BITOFF): Define.
        (IMPLICIT_1, IMPLICIT_2): Cast constants to types that are
        guaranteed to be wide enough.
        * config/fp-bit.c: Check for L_ macros for tf functions.
        (__thenan_tf): New.
        (nan): Adjust.
        (pack_d, unpack_d): Support IEEE 854 quad type.
        (_fpmul_parts): Support TFmode.  Compute exponent adjustment
        from FRAC_NBITS, FRAC_BITS and NGARDS.
        (usi_to_float): Cast constants to be shifted to fractype
        instead of assuming long long is wide enough.
        (sf_to_tf, df_to_tf, __make_tp, tf_to_df, tf_to_sf): New.

2003-01-26  Andreas Jaeger  <aj@suse.de>

        * df.c: Remove prototype of unused function df_regno_rtl_debug.

2003-01-26  Alexandre Oliva  <aoliva@redhat.com>

        * Makefile.in (FPBIT_FUNCS): Added _sf_to_tf.
        (DBBIT_FUNCS): Added _df_to_tf.
        (TPBIT_FUNCS): New.
        (libgcc.mk): Pass TPBIT and TPBIT_FUNCS down.
        (LIBGCC_DEPS): Added TPBIT.
        * mklibgcc.in: Support TPBIT and TPBIT_FUNCS.

        * optabs.c (expand_binop) <add, sub>: Return xtarget if we haven't
        been able to move the result to target.

        * expr.c (emit_group_store): Initialize dst with CONST0_RTX
        for the appropriate mode.

        * calls.c (emit_library_call_value_1): Handle return values
        in a PARALLEL.

        * rtl.c (get_mode_alignment): Moved to...
        * stor-layout.c: ... here.

        * print-rtl.c (print_rtx): Don't print MEM details in
        GENERATOR_FILEs.

2003-01-26  Michael Hayes  <mph@paradise.net.nz>

        * df.h: Update comments, tidy formatting.
        (DF_FORWARD, DF_REVERSE, DF_UNION, DF_INTERSECTION): Rename from FORWARD,
        REVERSE, UNION, INTERSECTION.  All uses updated.
        (OLD_DF_INTERFACE): Remove.
        (struct insn_info): Remove commented out insn field.
        * df.c: Update comments, tidy formatting.
        (df_def_table_realloc): Remove.


2003-01-26  Alan Modra  <amodra@bigpond.net.au>

        * calls.c (save_fixed_argument_area): Tidy.
        (restore_fixed_argument_area): Tidy.  Set alignment of stack_area.
        (expand_call): Comment typo fixes.  Don't init low_to_save.  Start
        call chain loop at 1 if !try_tail_call.  Formatting.
        (emit_library_call_value_1): Don't init low_to_save or high_to_save.
        Use save_fixed_argument_area and restore_fixed_argument_area.

2003-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * df.c (df_uses_record): Handle CC0.

2003-01-25  Ulrich Weigand  <uweigand@de.ibm.com>

        * reload.c (maybe_memory_address_p): New function.
        (find_reloads_address): Use it instead of memory_address_p.

2003-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>

        * final.c (shorten_branches): Align the address of code label
        when computing initial lengths and addresses.

2003-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m68hc11/m68hc11.md: Fix a comment typo.

2003-01-25  Andreas Jaeger  <aj@suse.de>

        * config/i386/i386.c (x86_output_mi_thunk): Correct test for
        TARGET_MACHO.

2003-01-25  Roger Sayle  <roger@eyesopen.com>

        * gcse.c (bypass_last_basic_block): New global variable.
        (bypass_block):  Use redirect_edge_and_branch_force to redirect
        fall-through edges.  Use bypass_last_basic_block to determine
        which blocks have valid PRE information.
        (bypass_conditional_jumps): Initialize bypass_last_basic_block.

2003-01-25  Jan Hubicka  <jh@suse.cz>

        * gcse.c (local_cprop_pass): Update reg_sets table when needed.

2003-01-25  Jan Hubicka  <jh@suse.cz>
                              Eric Botcazou <ebotcazou@libertysurf.fr>
        PR opt/8492
        * gcse.c (one_cprop_pass): Delete unreachable blocks.

2003-01-25  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (ia64_rwreloc_select_rtx_section): Rename
        from ia64_aix_select_rtx_section.
        (ia64_rwreloc_select_section): Simlarly; use default*_1 function
        instead of saving and restoring flag_pic.
        (ia64_rwreloc_unique_section): Similarly.
        * config/ia64/aix.h (TARGET_ASM_SELECT_SECTION,
        TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Update.
        * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
        TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): New.

2003-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (h8300_shift_needs_scratch_p): Update a
        comment.

2003-01-25  Richard Henderson  <rth@redhat.com>

        * config/m68k/m68k-none.h (ASM_SPEC): Adjust inter-option spacing.

2003-01-25  Kelley Cook <kelleycook@comcast.net>

        * ggc-simple.c (debug_ggc_tree): Add PTR cast.

2003-01-25  Segher Boessenkool  <segher@koffie.nl>

        * bitmap.h (BITMAP_WORD): New typedef: fundamental storage
        type for bitmaps.  Use unsigned long.
        (nBITMAP_WORD_BITS): New macro.
        (BITMAP_WORD_BITS): New macro.
        (rest of file): Use it.
        * bitmap.c: Use it.

2003-01-25  Richard Henderson  <rth@redhat.com>

        2002-02-19  Robert Lipe  <robertlipe@usa.net>
        * config/i386/t-sco5gas: (CRTSTUFF_T_CFLAGS_S): Delete -mcoff.

2003-01-25  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (purge_builtin_constant_p): Scan insn stream
        sequentially rather than by basic block.
        * function.c (purge_addressof): Simplify test with INSN_P.

2003-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * combine.c (simplify_comparison, case AND): Remove a redundant test.

2003-01-25  Roger Sayle  <roger@eyesopen.com>

        * function.h (struct function): New field calls_constant_p.
        (current_function_calls_constant_p): New macro for above.
        * function.c (prepare_function_start): Initialize calls_eh_return
        and calls_constant_p.
        * builtins.c (expand_builtin_constant_p): Set calls_constant_p.
        * toplev.c (rest_of_compilation): Only call purge_builtin_constant_p
        when the current_function_calls_constant_p.
        * integrate.c (expand_inline_function): Set calls_constant_p if
        the function being inlined has calls_constant_p set.

2003-01-25  Roger Sayle  <roger@eyesopen.com>

        * cse.c (fold_rtx): Instantiate CONSTANT_P_RTX to 0 when not
        optimizing, even if flag_gcse is true.
        * toplev.c (rest_of_compilation): purge_builtin_constant_p
        only needs to be called when "optimize > 0 && flag_gcse".

2003-01-25  Roger Sayle  <roger@eyesopen.com>

        * stmt.c (emit_case_bit_tests): New routine to implement suitable
        switch statements using the equivalent of "if ((1<<x) & cst) ... ".
        (case_bit_test_cmp): New comparison function for "qsort" to order
        case_bit_tests by decreasing number of destination nodes.
        (lshift_cheap_p): New function to determine if "1 << x" is cheap.
        (expand_end_case_type): Use emit_case_bit_tests to implement
        suitable switch statments.
        (CASE_USE_BIT_TESTS): New target macro to disable the above.
        * Makefile.in (stmt.o): Add dependency on optab.h.
        * doc/tm.texi (CASE_USE_BIT_TESTS): Document new target macro.

2003-01-23  Andreas Schwab  <schwab@suse.de>

        * config/ia64/crtend.asm [HAVE_INITFINI_ARRAY]: Make
        __do_global_ctors_aux hidden global and don't put it in
        .init_array.
        * config/ia64/crtbegin.asm [HAVE_INITFINI_ARRAY]: Put it here
        instead so that it comes first.

2003-01-25  Jan Hubicka  <jh@suse.cz>

        * df.c (read_modify_subreg_p):  When osize == UNITS_PER_WORD,
        subreg is read/modify.

2003-01-25  Jan Hubicka  <jh@suse.cz>

        * i386.c (ix86_expand_movstr, ix86_expand_clrstr): Consistently
        do libcall for large blocks.
        * i386.md (comi patterns): Set type to ssecomi.
        (sse2_unpck?pd): Fix mode of vec_select.

        * cse.c: Include except.h
        (cse_set_around_loop):  Do not create new basic blocks.
        * Makefile.in (cse.o): Add dependnecy on except.h

2003-01-25  Jan Hubicka  <jh@suse.cz>

        * builtins.c (fold_trunc_transparent_mathfn): New function.
        (fold_builtin): Use it.
        * convert.c (convert_to_real): Re-enable code to convert
        math functions; add support for floor familly functions.

2003-01-25  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * Makefile.in (cfgloop.o, cfgloopanal.o, cfgloopmanip.o): Add
        dependencies on coretypes.h and $(TM_H).

2003-01-25  Jan Hubicka  <jh@suse.cz>

        * builtins.c (fold_trunc_transparent_mathfn):  Undo accidental commit.

2003-01-24  Stuart Hastings  <stuart@apple.com>

        * config/i386/i386.c (x86_output_mi_thunk): Add Darwin/x86 support.

2003-01-25  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.md (UNSPEC_BU): New constants.
        (UNSPEC_RPTS, UNSPEC_LSH, UNSPEC_CMPHI, UNSPEC_RCPF): Likewise.
        (UNSPEC_RND, UNSPEC_RPTB_FILL, UNSPEC_LOADHF_INT): Likewise.
        (UNSPEC_STOREHF_INT, UNSPEC_RSQRF, UNSPEC_LOADQF_INT): Likewise.
        (UNSPEC_STOREQF_INT, UNSPEC_LDIV, UNSPEC_PUSH_ST):  Likewise.
        (UNSPEC_POP_ST, UNSPEC_PUSH_DP, UNSPEC_POP_DP):  Likewise.
        (UNSPEC_POPQI, UNSPEC_POPQF, UNSPEC_ANDN_ST):  Likewise.
        (UNSPEC_RPTB_INIT, UNSPEC_TOIEEE, UNSPEC_FRIEEE):  Likewise.

2003-01-24  Jan Hubicka  <jh@suse.cz>

        * emit-rtl.c (reg_attrs_htab): New static variable.
        (reg_attrs_htab_hash, reg_attrs_htab_eq, get_reg_attrs): New static
        functions.
        (reg_rtx): Do not maintain regno_decl.
        (gen_rtx_REG_offset, set_reg_attrs_from_mem, set_delc_rtx,
        set_mem_attrs_from_reg): New global function.
        (init_emit): Do not initialize regno_decl.
        (init_emit_once): initialize reg_attrs_htab.
        * final.c (alter_subreg): Do not replace REG by SUBREG.
        (gen_mem_expr_from_op): Improve output.
        (output_asm_operands): Likewise.
        * function.c (assign_params): Do not set REGNO_DECL.
        * function.h (struct function): Kill regno_decl.
        (REGNO_DECL): Kill.
        * gengtype.c (adjust_field_rtx_def): Handle new field of reg.
        * print_rtl.c (print_rtx): Output REG information.
        * regclass.c (reg_scan_mark_refs): Update attrs.
        * reload1.c (alter_reg): Likewise.
        * simplify_rtx.c (simplify_subreg): Likewise.
        * stmt.c (expand_decl): Likewise.
        * rtl.def (REG): Add new field.
        * rtl.h (struct reg_attrs): New.
        (rtunion_def): At rtreg.
        (X0MEMATTR): Add checking.
        (X0REGATTR, REG_ATTRS, REG_EXPR, REG_OFFSET): New macro.
        (set_reg_attrs_from_mem, set_mem_attrs_from_reg, gen_rtx_REG_offset):
        Declare.
        * tree.h (SET_DECL_RTL): Call set_decl_rtl.

2003-01-24  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c: Remove unused include of machmode.h.
        (xtensa_emit_call, print_operand): Fix printf format strings
        to avoid compile warnings.
        (xtensa_function_prologue, xtensa_function_epilogue): Change type
        of "size" argument to HOST_WIDE_INT to fix compile warnings.
        * config/xtensa/xtensa-protos.h
        (xtensa_function_prologue, xtensa_function_epilogue): Ditto.

2003-01-24  Jan Hubicka  <jh@suse.cz>

        * builtins.c (DEF_BUILTIN): Accept 10 arguments.
        (implicit_built_in_decls): New global array.
        (mathfn_built_in): New global function.
        (fold_trunc_transparent_mathfn): New static function
        (expand_builtin_strstr, expand_bultin_strchr,
        expand_builtin_strpbrk, expand_builtin_strcpy,
        expand_builtin_strncpy, expand_bultin_strcmp,
        expand_bultin_strncat, expand_builtin_fputs): Use
        implicint_built_in_decls.
        (fold_builtin): Fold floor/trunc/round/ceil/nearbyint.
        * builtins.def: Fix comments.
        (DEF_GCC_BUILTIN, DEF_FALLBACK_BUILTIN, DEF_EXT_FALLBACK_BUILTIN,
        DEF_LIB_BUILTIN, DEF_LIB_ALWAYS_BUILTIN, DEF_EXT_LIB_BUILTIN,
        DEF_C99_BULTIN, DEF_FRONT_END_LIB_BUILTIN,
        DEF_EXT_FRONT_END_LIB_BUILTIN): Pass implicit as needed.
        (DEF_C99_C90RES_BULTIN): New.
        (*f, *l builtins): Update.
        * c-common.c (DEF_BUILTIN): Initialize implicit array.
        (c_expand_builtin_printf, c_expand_builtin_fprintf): Update.
        * convert.c (strip_float_extensions): New global function.
        * tree.h (DEF_BUILTIN): Accept 10 arguments.
        (implicit_built_in_decls, mathfn_built_in, strip_float_extension):
        Declare.
        * java/builtins.c (define_builtin): Handle implicit.
        (DEF_BUILTIN): Update.
        * tm.texi (TARGET_C99_FUNCTIONS): Document.
        * defaults.h (TARGET_C99_FUNCTIONS): Default to 0.
        * config/linux.h (TARGET_C99_FUNCTIONS): Default to 1
        when using glibc2.

2003-01-24  Bob Wilson  <bob.wilson@acm.org>

        * config.gcc (xtensa-*-elf*): Removed assignments to with_newlib,
        extra_parts, and fixincludes.  Add xtensa/t-elf tmake_file.
        (xtensa-*-linux*): Add xtensa/t-linux tmake_file.
        * config/xtensa/crti.asm: New file.
        * config/xtensa/crtn.asm: New file.
        * config/xtensa/t-elf: New file.
        * config/xtensa/t-linux: New file.
        * config/xtensa/t-xtensa: Add rules for crti.o and crtn.o.
        Move various CFLAGS settings to new t-elf file.

2003-01-24  Richard Henderson  <rth@redhat.com>

        PR optimization/4382
        * tree-inline.c (find_builtin_longjmp_call_1): New.
        (find_builtin_longjmp_call): New.
        (inlinable_function_p): Use it.

2003-01-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * config/i386/i386-protos.h (function_arg_pass_by_reference): Declare.
        * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Use it.
        * config/i386/i386.c (function_arg_pass_by_reference): New.
        (ix86_va_arg): Support arguments passed by reference.

2003-01-24  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * cfgloopanal.c: New file.
        * cfgloopmanip.c: New file.
        * Makefile.in (cfgloopanal.o, cfgloopmanip.o): New.
        (toplev.o, loop.o, doloop.o, unroll.o, cfgloop.o, predict.o,
        cfglayout.o): Add dependency on cfgloop.h.
        (cfgloop.o): Add flags.h dependency.
        * basic-block.h (BB_IRREDUCIBLE_LOOP, BB_SUPERBLOCK): New flags.
        (VLS_EXPECT_PREHEADERS, VLS_EXPECT_SIMPLE_LATCHES): Removed.
        (struct loop, struct loops, flow_loops_find, flow_loops_update,
        flow_loops_free, flow_loops_dump, flow_loop_dump,
        flow_loop_scan, flow_loop_tree_node_add, flow_loop_tree_node_remove,
        LOOP_TREE,,LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
        LOOP_ALL, flow_loop_outside_edge_p, flow_loop_nested_p,
        flow_bb_inside_loop_p, get_loop_body, loop_preheader_edge,
        loop_latch_edge, add_bb_to_loop, remove_bb_from_loops,
        find_common_loop, verify_loop_structure): Declarations moved to ...
        * cfgloop.h: New file.
        * bb-reorder.c (reorder_basic_blocks): Modified.
        * cfglayout.c: Include cfgloop.h.
        (cleanup_unconditional_jumps, cfg_layout_redirect_edge,
        cfg_layout_duplicate_bb, cfg_layout_initialize): Update loop structure.
        (break_superblocks): New static function.
        (cfg_layout_finalize): Use it.
        (cfg_layout_split_block): New function.
        * cfglayout.h (struct reorder_block_def): Add copy and duplicated
        fields.
        (cfg_layout_initialize, cfg_layout_redirect_edge): Declaration
        changed.
        (cfg_layout_split_block): Declare.
        * cfgloop.c: Include cfgloop.h and flags.h.
        (flow_loop_dump, flow_loops_free, flow_loop_exit_edges_find,
        get_loop_body): Avoid signed versus unsigned comparison warnings.
        (make_forwarder_block, flow_loops_find, loop_preheader_edge,
        loop_latch_edge): Modified.
        (verify_loop_structure): Modified to use flags stored in loop structure;
        check irreducible loops.
        (cancel_loop, cancel_loop_tree): New functions.
        (estimate_probability): Use loop analysis code for predictions.
        (estimate_loops_at_level):  Avoid signed versus unsigned comparison
        warnings.
        * doloop.c: Include cfgloop.h.
        * loop.c: Include cfgloop.h.
        * predict.c: Include cfgloop.h.
        * toplev.c: Include cfgloop.h.
        * unroll.c: Include cfgloop.h.
        * tracer.c (tracer): Modified.

2003-01-24  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (get_shift_alg): Fix a typo.

2003-01-24  Ulrich Weigand  <uweigand@de.ibm.com>

        * configure.in (HAVE_AS_TLS): Add s390-*-* and s390x-*-* cases.
        * configure: Regenerate.

        * config/s390/s390-protos.h (tls_symbolic_operand): Add prototype.
        (tls_symbolic_reference_mentioned_p): Add prototype.
        (s390_tls_get_offset): Add prototype.
        (emit_pic_move): Remove prototype, replace by ...
        (emit_symbolic_move): .. this new prototype.

        * config/s390/s390.c (TARGET_HAVE_TLS): Conditionally define.
        (tls_model_chars): New global variable.
        (s390_encode_section_info): Encode TLS model.
        Use targetm.binds_local_p to check for local symbols.
        (s390_strip_name_encoding): New function.
        (TARGET_STRIP_NAME_ENCODING): Define.

        (get_thread_pointer): New function.
        (legitimize_tls_address): New function.
        (legitimize_address): Call it.
        (emit_pic_move): Remove, replace by ...
        (emit_symbolic_move): ... this new function.

        (larl_operand): Handle TLS operands.
        (legitimate_constant_p): Likewise.
        (s390_decompose_address): Likewise.
        (s390_cannot_force_const_mem): New function.
        (TARGET_CANNOT_FORCE_CONST_MEM): Define.

        (s390_output_symbolic_const): Handle TLS unspecs.
        (print_operand): New code 'J'.
        (machine_function): Add struct member 'some_ld_name'.
        (get_some_local_dynamic_name, get_some_local_dynamic_name_1): New.

        (enum s390_builtin): New type.
        (code_for_builtin_64, code_for_builtin_31): New global variables.
        (s390_init_builtins, s390_expand_builtin): New functions.
        (TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.

        * config/s390/s390.h (TLS_SYMBOLIC_CONST): New macro.
        (ASM_OUTPUT_LABELREF): Define.
        (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Handle TLS constants.

        * config/s390/s390.md: Define TLS UNSPEC constants.
        ("movdi", "movsi"): Handle TLS operands.
        ("get_tp_64", "get_tp_31", "set_tp_64", "set_tp_31"): New insns.
        ("*tls_load_64", "*tls_load_31"): New insns.
        ("call_value_tls", "call_value_tls_exp"): New expanders.
        ("brasl_tls", "bras_tls", "basr_tls_64", "basr_tls_31",
        "bas_tls_64", "bas_tls_31"): New insns.

2003-01-24  Nathan Sidwell  <nathan@codesourcery.com>

        * config/rs6000/rs6000.c (rs6000_parse_abi_options): Make sure
        spe ABI is configured, if requested.

2003-01-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * doc/passes.texi: Fix typo.

2003-01-24  Andreas Schwab  <schwab@suse.de>

        * stor-layout.c (excess_unit_span): Only define if used.

2003-01-24  Jerry Quinn  <jlquinn@optonline.net>

        * gcc/doc/invoke.texi (Optimization Options): List -O levels
        for each optimization flag.

2003-01-24  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*andsi3_ashift_n_lower): New.

2003-01-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * doc/bugreport.texi: Use @command instead of @code for commands.
        * doc/collect2.texi: Likewise.
        * doc/headerdirs.texi: Likewise.
        * doc/invoke.texi: Likewise.
        * doc/standards.texi: Likewise.
        * doc/tm.texi: Likewise.
        * doc/trouble.texi: Likewise.

2003-01-24  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.c (use_return_insn): Do not use a single return
        instruction for interrupt handelrs which have to create a stack
        frame.
        (arm_expand_prologue): Do not pre-bias the return address of
        interrupt handlers which create a stack frame.

2003-01-24  Nick Clifton  <nickc@redhat.com>

        * Add sh2e support:

        2002-08-12  Alexandre Oliva  <aoliva@redhat.com>

                * config/sh/sh.c (output_branch) [TARGET_SH2E]: Handle
                med_cbranches.  Fix logic in short_cbranches.

        2002-04-03  Alexandre Oliva  <aoliva@redhat.com>

                * config/sh/sh.md (delay for cbranch): Don't annul delay
                slots on SH2e.
                * config/sh/sh.c (sh_insn_length_adjustment): Add 2 for
                cbranch with unfilled delay slot on SH2e.
                (output_branch): Fill with a nop the delay slot of a
                branch that required a delay slot but didn't get one.

        2002-04-02  Alexandre Oliva  <aoliva@redhat.com>

                * doc/invoke.texi (SH options): Document -m2e.
                * config/sh/crt1.asm: Add __SH2E__ Next to __SH3E__.
                * config/sh/lib1funcs.asm: Likewise.
                * config/sh/sh.c: Replace all uses of TARGET_SH3E with SH2E.
                * config/sh/sh.h (CPP_SPEC): Define __SH2E__ for -m2e, and
                not __sh1__.
                (CONDITIONAL_REGISTER_USAGE): Don't disable FP regs from
                SH2E up.
                (SH3E_BIT): Renamed to...
                (SH_E_BIT): ... this.  Replace all uses.
                (TARGET_SH2E): Define from SH_E_BIT and TARGET_SH2.
                Replace all uses of TARGET_SH3E with TARGET_SH2E.
                (TARGET_SWITCHES): Added 2e.
                (OVERRIDE_OPTIONS): Set sh_cpu for SH2E.
                (processor_type): Added PROCESSOR_SH2E.
                * config/sh/sh.md: Replace all uses of TARGET_SH3E with
                TARGET_SH2E, except in sqrtsf2_i.
                (attribute cpu): Added sh2e.
                * config/sh/t-sh (MULTILIB_OPTIONS): Replace m3e with m2e.
                (MULTILIB_MATCHES): Use m2e multilib for m3e.
                * config.gcc: Add sh2e target support.

2003-01-24  Phil Edwards  <pme@gcc.gnu.org>

        Rename -W to -Wextra.
        * c-decl.c:  Update comments.
        * c-typeck.c:  Likewise.
        * flags.h:  Likewise.
        * function.c:  Likewise.
        * stmt.c:  Likewise.
        * toplev.c:  Update comments.
        (W_options):  Add 'extra'.
        (display_help):  Remove '-W'.
        (decode_W_option):  Special warn_uninitialized treatment in the case
        of -Wextra.
        * doc/invoke.texi:  Update with new entries.

2003-01-23  Richard Henderson  <rth@redhat.com>

        * ifcvt.c (noce_process_if_block): Re-add check vs X being changed
        in no-else-block case.  Add commentary.

2003-01-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * configure.in: Revert last change.

2003-01-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * configure.in: Don't include ansidecl.h in tconfig.h.
        * gcov-io.h (PARAMS, ATTRIBUTE_UNUSED: Define if IN_LIBGCC2.
        * unwind-dw2-fde.h (last_fde): Use __attribute__, not
        ATTRIBUTE_UNUSED.

        * configure: Regenerate.

2003-01-23  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        PR java/6748
        * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Don't destroy
        regs->nip. Fix rt_sigreturn frame layout. Add support for newer
        kernels.

2003-01-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * cpplex.c (cpp_interpret_charconst): Squelch warning with cast.

2003-01-23  Ulrich Weigand  <uweigand@de.ibm.com>

        * genattrtab.c (write_attr_get): Mark 'insn' paramter
        as ATTRIBUTE_UNUSED.

2003-01-23  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (thumb_base_register_rtx_p): New function.
        (thumb_index_register_rtx_p): New function.
        (thumb_legitimate_address_p): New function.
        (thumb_legitimate_offset_p): New function.
        * arm.h (REG_STRICT_P): Define according to setting of REG_OK_STRICT.
        (ARM_GO_IF_LEGITIMATE_ADDRESS): Use REG_STRICT_P to avoid duplicate
        definitions.
        (THUMB_GO_IF_LEGITIMATE_ADDRESS): Use thumb_legitimate_address_p.
        (THUMB_LEGITIMATE_OFFSET): Delte.
        (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Use thumb_legitimate_offset.
        * arm-protos.h (thumb_legitimate_address_p): Add prototype.
        (thumb_legitimate_offset_p): Likewise.

2003-01-23  Andreas Schwab  <schwab@suse.de>

        * unwind.h (_Unwind_GetTextRelBase): Mark parameter as unused.

2003-01-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * fixinc/Makefile.in (FL_LIST): Revert last change.

2003-01-23  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        PR other/7341
        * invoke.texi (ftest-coverage): Fix broken cross-reference.
        Change @code to @command for gcov command.

        * gcc.texi: Adjust title of gcov section.
        Adjust copyright.
        * gcov.texi: Likewise.

2003-01-22  Roger Sayle  <roger@eyesopen.com>

        PR optimization/8423
        * cse.c (fold_rtx): Only eliminate a CONSTANT_P_RTX to 1 when
        its argument is constant, or 0 if !flag_gcse.
        * simplify-rtx.c (simplify_rtx): Convert CONSTANT_P_RTX to 1
        if it's argument is constant.
        * gcse.c (want_to_gcse_p): Ignore CONSTANT_P_RTX nodes.
        (hash_scan_set): Don't record CONSTANT_P_RTX expressions.
        (do_local_cprop): Don't propagate CONSTANT_P_RTX constants.
        * builtins.c (purge_builtin_constant_p): New function to force
        instantiation of any remaining CONSTANT_P_RTX nodes.
        * rtl.h (purge_builtin_constant_p): Prototype here.
        * toplev.c (rest_of_compilation): Invoke purge_builtin_constant_p
        pass after GCSE and before loop.
        (flag_gcse): No longer static.
        * flags.h (flag_gcse): Prototype here.

2003-01-22  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.h (HARD_REGNO_MODE_OK): Fix warning regression
        introduced by last change.

2003-01-22  Andreas Schwab  <schwab@suse.de>

        * ra-rewrite.c (rewrite_program2): Initialize bb to avoid warning.

2003-01-22  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (h8300_shift_needs_scratch_p): Don't
        request a scratch reg on H8S when the shift count is 8.

2003-01-22  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390-protos.h (preferred_la_operand_p):
        Remove second parameter.
        * config/s390/s390.c (preferred_la_operand_p): Likewise.
        * config/s390/s390.h (FRAME_REGNO_P, FRAME_REG_P): New macros.
        (HARD_REGNO_MODE_OK): Use FRAME_REGNO_P.
        * config/s390/s390.md ("*la_cc_64", "*la_cc_31", splitters): Remove.
        Add peepholes to transform ADD to LOAD ADDRESS.

2003-01-22  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_address_register_rtx_p): New function.
        (arm_legitimate_address_p): New function.
        (arm_legitimate_index_p): New function.
        (legitimize_pic_address): Use arm_legitimate_index_p.
        * arm-protos.h (arm_legtimate_address_p): Add prototype.
        * arm.h (ARM_GO_IF_LEGITIMATE_INDEX): Delete.
        (ARM_GO_IF_LEGITIMATE_ADDRESS): Call arm_legitimate_address_p.

2003-01-22  Hartmut Penner  <hpenner@de.ibm.com>

        * config/s390/s390.md (floatdfdi2): Insn has type 'itof'.
        * config/s390/2064.md (define_bypass): Correct 'Load' and
        'Load-address' bypass values.

2003-01-22  Andreas Schwab  <schwab@suse.de>

        * config/ia64/t-ia64 (insn-attrtab.o-warn): Define as -Wno-error.

2003-01-21  Zack Weinberg  <zack@codesourcery.com>

        * genautomata.c (output_internal_insn_latency_func,
        output_print_reservation_func): Short circuit when there is no
        automaton to generate code for.

2003-01-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * Makefile.in (ssa-ccp.o): Depend on coretypes.h $(TM_H).
        (df.o): Delete duplicate dependency on coretypes.h $(TM_H).

2003-01-21  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/rs6000.md: Remove warning.
        (builtin_setjmp_receiver): Likewise.
        * config/darwin.c (update_stubs): Slightly improve terrible hack
        with identifiers.  Add comment pointing out problems with it.
        (update_non_lazy_ptrs): Likewise.

2003-01-21  Richard Henderson  <rth@redhat.com>

        * dwarf2out.c (lookup_filename): Fix printf format warning.
        * system.h (fread_unlocked, fwrite_unlocked): Undef.

        * fixinc/Makefile.in (FL_LIST): Add $($@-warn) hook.
        (fixincl.o-warn, gnu-regex.o-warn): New.
        * fixinc/fixfixes.c (FIX_PROC_HEAD): Mark parameters unused.
        * fixinc/fixtests.c (TEST_FOR_FIX_PROC_HEAD): Likewise.
        * fixinc/fixincl.c (process): Fix printf format warning.

2003-01-21  Ulrich Weigand  <uweigand@de.ibm.com>

        * dwarf2out (output_file_names): Don't crash if called
        with empty file_table.

2003-01-21  Zack Weinberg  <zack@codesourcery.com>

        * genautomata.c (output_internal_insn_latency_func): Add
        missing break statement to generated code.

2003-01-21  Roger Sayle  <roger@eyesopen.com>

        * stmt.c (same_case_target_p): New function to determine whether
        two case labels branch to the same target.  Split out from...
        (group_case_nodes): ... here.  Use same_case_target_p instead.
        (strip_default_case_nodes): Remove explicit case nodes
        that branch to the default destination.
        (expand_end_case_type): Call strip_default_case_nodes after
        group_case_nodes, to simplify the case-list before we count it.
        Only generate table_label RTX when actually needed.  Try to share
        thiscase->exit_label and thiscase->data.case_stmt.default_label
        when a switch has no explicit default case.  Simplify test for
        constant index.

2003-01-21  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*negsf2_h8300): Use \\t instead of
        \t.
        (*negsf2_h8300hs): Likewise.
        (*addsi3_lshiftrt_16_zexthi): Likewise.
        (*iorhi3_lshiftrt_8): Likewise.

2003-01-21  Ulrich Weigand  <uweigand@de.ibm.com>

        * dwarf2out.c (fde_table_in_use): Mark GTY.
        (dwarf2out_cfi_label_num): New variable, marked GTY.
        (dwarf2out_cfi_label): Use it instead of static label_num.
        * emit-rtl.c (label_num): Mark GTY.

2003-01-21  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (output_plussi): Support H8/300.
        (compute_plussi_length): Likewise.
        (compute_plussi_cc): Likewise.
        * config/h8300/h8300.md (addsi_h8300): Use output_plussi to
        output assembly instructions.

2003-01-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * calls.c (fix_unsafe_tree): Prototype.

        * Makefile.in (GCC_WARN_CFLAGS): Add $(WERROR) $($@-warn)
        (gtype-desc.o-warn, c-decl.o-warn, varasm.o-warn, gcc.o-warn,
        insn-conditions.o-warn, out_object_file, gengtype-yacc.o-warn,
        c-parse.o-warn): Add -Wno-error.
        (STAGE2_FLAGS_TO_PASS): Add WERROR="@WERROR@".

        * configure.in (--enable-werror): Add new flag.
        * doc/install.texi (--enable-werror): Document.
        * configure: Regenerate.

        * objc/Make-lang.in (objc/objc-parse.o-warn): Add -Wno-error.

2003-01-21  Andreas Schwab  <schwab@suse.de>

        * genautomata.c (output_internal_insn_latency_func): Fix missing
        close paren in output.

2003-01-21  Zack Weinberg  <zack@codesourcery.com>

        * genautomata.c: Space savings in generated code:
        (output_dfa_insn_code_func): Split out the table-enlargement
        path to an out-of-line static function, dfa_insn_code_enlarge.
        (output_internal_insn_latency_func): Use a lookup table for the
        default latencies.
        (output_print_reservation_func): Use a lookup table for the
        strings.

2003-01-21  Christian Ehrhardt  <ehrhardt@mathematik.uni-ulm.de>

        PR opt/7507
        * calls.c (fix_unsafe_tree): Split out from ...
        (expand_call): ... here.  Use it on the function address too.

2003-01-20  Richard Henderson  <rth@redhat.com>

        * expr.h (default_must_pass_in_stack): Move decl outside ifdef.

2003-01-20  Richard Henderson  <rth@redhat.com>

        PR opt/7154
        * stmt.c (expand_asm_operands): Validize memory operands.

2003-01-20  Richard Henderson  <rth@redhat.com>

        PR opt/8848
        * ifcvt.c (noce_process_if_block): Correct arguments to
        modified_between_p for no-else-block case.

2003-01-20  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (const_costs): Remove a warning.
        (output_plussi): Likewise.
        (compute_plussi_length): Likewise.
        (compute_plussi_cc): Likewise.

2003-01-20  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (addsi_h8300): Remove the last
        alternative.

2003-01-20  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (get_shift_alg): Remove redundant code.

2003-01-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * system.h (__NO_STRING_INLINES): Define.

2003-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * ifcvt.c (noce_emit_store_flag): Don't emit store flag if mode of x
        is not a scalar int mode.

2003-01-20  Roger Sayle  <roger@eyesopen.com>

        * cse.c (cse_insn): Avoid RTL sharing when updating the RETVAL
        insn's notes following a substitution inside a libcall.

2003-01-20  Zack Weinberg  <zack@codesourcery.com>

        * configure.in: Check for system-provided 'uchar' type.
        * configure, config.in: Regenerate.
        * cpphash.h: Only typedef 'uchar' if the system doesn't.

2003-01-20  Richard Henderson  <rth@redhat.com>

        * expr.h (MUST_PASS_IN_STACK): Move implementation...
        * calls.c (default_must_pass_in_stack): ... here.

2003-01-20  Vladimir Makarov  <vmakarov@redhat.com>

        * genattrtab.h (INSN_ALTS_FUNC_NAME): Move it from genautomata.c.

        * genautomata.c (INSN_ALTS_FUNC_NAME): Move it into genattrtab.h.

        * genattr.c (main): Output default definition of AUTOMATON_ALTS.
        Wrap up definition of `insn_alts'.

        * genattrtab.c (main): Wrap up `insn_alts'.

2003-01-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * collect2.c (ldgetname): Check HAVE_DECL_LDGETNAME before
        prototyping.
        * configure.in: Check for <ldfcn.h> and ldgetname() prototype.

        * config.in, configure: Regenerate.

2003-01-20  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.md (sibcall_epilogue): Add an
        UNSPEC_PROLOGUE_USE to prevent the link register from being
        considered dead.

2003-01-20  Jan Hubicka  <jh@suse.cz>

        * i386.md (SSE cmov splitter):  Handle memory operand in operand 5.

2003-01-20  Andreas Schwab  <schwab@suse.de>

        * system.h: Don't declare strsignal if the decl test hasn't been
        run yet.

2003-01-20  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (notice_update_cc): Don't assume that
        recog_data.operands[0] is always associated with cc0.

2003-01-19  David Edelsohn  <edelsohn@gnu.org>

        * collect2.c (ldgetname): Expand declaration to prototype.
        * read-rtl.c (atoll): Add prototype.
        * system.h (strsignal): Also declare if no declaration found.

2003-01-19  Alexandre Oliva  <aoliva@redhat.com>

        * config.gcc (mips64*-*-linux*): Added.
        * config/mips/linux64.h, config/mips/t-linux64: New file.
        * config/mips/iris6.h (MIPS_TFMODE_FORMAT): Define.
        * config/mips/mips.c (override_options): Use it.
        * config/mips/mips.h (TARGET_SWITCHES): Added...
        (SUBTARGET_TARGET_SWITCHES): New, empty by default.
        * Makefile.in (SPECS): New.
        (STAGESTUFF, specs, mostlyclean, install-common): Use it.
        * gcc.c (process_command): Move self-spec processing past spec
        file loading.
        * doc/tm.texi (DRIVER_SELF_SPECS): Document the change.
        * doc/fragments.texi (MULTILIB_EXTRA_OPTS): Document need for
        CRTSTUFF_T_CFLAGS.
        (SPECS): Document.
        * doc/invoke.texi (-mabi-fake-default): Document.

2003-01-19  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c (stack_push_word, stack_pop_word,
        z_reg, z_reg_qi): Declare static and GTY().
        (da_reg): Remove.
        (create_regs_rtx): Don't create da_reg.
        ("gt-m68hc11.h"): Include for GTY roots.
        * config/m68hc11/m68hc11.h (ix_reg, iy_reg, d_reg): Declare extern
        and GTY() here.
        (m68hc11_compare_op0, m68hc11_compare_op1): Likewise.
        (m68hc11_soft_tmp_reg): Likewise.
        * config/m68hc11/m68hc11-protos.h: Remove above declarations.

2003-01-18  Kazu Hirata  <kazu@cs.umass.edu>

        * basic-block.h: Fix comment formatting.
        * calls.c: Likewise.
        * combine.c: Likewise.
        * convert.c: Likewise.
        * gcov.c: Likewise.
        * haifa-sched.c: Likewise.
        * libgcc2.c: Likewise.
        * loop.c: Likewise.
        * profile.c: Likewise.
        * system.h: Likewise.

2003-01-18  Roger Sayle  <roger@eyesopen.com>

        * config/pa/pa.md (muldi3): Avoid invalid sharing of SUBREG RTXs.

2003-01-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * ra-build.c (undef_to_size_word): Avoid `switch' warning.

2003-01-17  Dale Johannesen  <dalej@apple.com>

        * config/rs6000/rs6000.md (*floatsidf2_internal):  Add earlyclobbers.
          (*floatunssidf2_internal):  Ditto.

2003-01-17  Kazu Hirata  <kazu@cs.umass.edu>

        * alias.c: Fix comment typos.
        * basic-block.h: Likewise.
        * c-common.c: Likewise.
        * c-common.h: Likewise.
        * c-decl.c: Likewise.
        * c-opts.c: Likewise.
        * c-pragma.c: Likewise.
        * c-pretty-print.h: Likewise.
        * cfg.c: Likewise.
        * cfganal.c: Likewise.
        * cfgbuild.c: Likewise.
        * cfgcleanup.c: Likewise.
        * cfglayout.c: Likewise.
        * cfgrtl.c: Likewise.
        * convert.c: Likewise.
        * cpphash.h: Likewise.
        * cpplex.c: Likewise.
        * cpplib.h: Likewise.
        * df.h: Likewise.
        * diagnostic.c: Likewise.
        * diagnostic.h: Likewise.
        * dwarf2.h: Likewise.

2003-01-17  Stan Shebs  <shebs@apple.com>

        * config/darwin-protos.h: Forward-declare struct cpp_reader.

2003-01-17  Douglas B Rupp  <rupp@gnat.com>

        * config/alpha/alpha.c (alpha_need_linkage): Fix obvious
        mistake in last checkin.

2003-01-17  Kazu Hirata  <kazu@cs.umass.edu>

        * et-forest.c: Fix comment typos.
        * et-forest.h: Likewise.
        * except.c: Likewise.
        * expr.c: Likewise.
        * flags.h: Likewise.
        * flow.c: Likewise.
        * gcc.c: Likewise.
        * gcse.c: Likewise.
        * genattrtab.c: Likewise.
        * genautomata.c: Likewise.
        * gengtype.c: Likewise.
        * genrecog.c: Likewise.
        * global.c: Likewise.
        * gthr-rtems.h: Likewise.

2003-01-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * i386.c (x86_function_profiler): Fix format specifier.

2003-01-17  Richard Henderson  <rth@redhat.com>

        * gengtype.c (walk_type): Allow paramN_is.

2003-01-17  Nick Clifton  <nickc@redhat.com>

        * config/i960/t-960bare (i960-c.o): Add missing newline escape.

2003-01-16  Richard Henderson  <rth@redhat.com>

        * config/alpha/linux-elf.h (LIB_SPEC): Adjust inter-option spacing.

2003-01-16  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_sr_alias_set): Mark GTY.
        (alpha_next_sequence_number): Likewise.
        (alpha_this_literal_sequence_number): Likewise.
        (alpha_this_gpdisp_sequence_number): Likewise.
        (struct alpha_funcs, alpha_funcs_num): Likewise.
        (struct alpha_links): Fix branch merge error.
        (alpha_need_linkage, alpha_use_linkage): Use GC for alpha_funcs.

2003-01-17  Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/mips.h: Don't use #elif.  Reported by Kaveh
        R. Ghazi.

2003-01-16  Kazu Hirata  <kazu@cs.umass.edu>

        * ifcvt.c: Fix comment typos.
        * lcm.c: Likewise.
        * libgcc2.c: Likewise.
        * local-alloc.c: Likewise.
        * loop.c: Likewise.
        * predict.c: Likewise.
        * ra-build.c: Likewise.
        * ra.c: Likewise.
        * ra-colorize.c: Likewise.
        * ra.h: Likewise.
        * ra-rewrite.c: Likewise.
        * regmove.c: Likewise.
        * reload.h: Likewise.
        * rtlanal.c: Likewise.
        * toplev.c: Likewise.
        * tree.h: Likewise.
        * unwind-dw2-fde-glibc.c: Likewise.
        * vmsdbgout.c: Likewise.

2003-01-16  Richard Henderson  <rth@redhat.com>

        * dwarf2out.c (struct file_table): Remove.
        (FILE_TABLE_INCREMENT): Remove.
        (file_table): Make a varray; mark for GC.  Update all users.
        (file_table_last_lookup_index): Extract from struct file_table.
        (output_file_names): Fix unsigned compare warnings.
        (add_name_attribute): Remove inline marker.
        (add_comp_dir_attribute): Split out from gen_compile_unit_die.
        (lookup_filename): Don't manage size of file_table.
        (init_file_table): Allocate file_table with GC.
        (dwarf2out_init): Don't record main_input_filename here.
        (dwarf2out_finish): Do it here instead.

2003-01-16  Bruce Korb  <bkorb@gnu.org>

        * gcc/fixinc/inclhack.def(limits_ifndef): QNX needs a bypass, too.

2003-01-16  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_initialize_trampoline): Emit rotrdi3_mextr
        instead of rotldi3_mextr.

2003-01-16  Vladimir Makarov  <vmakarov@redhat.com>

        * haifa-sched.c (move_insn): Restore moving all schedule group.
        (set_priorities): Restore taking SCHED_GROUP_P into account.

        * sched-deps.c (add_dependence): Restore processing the last group
        insn.
        (remove_dependence, group_leader): Restore the functions.
        (set_sched_group_p): Restore adding dependencies from previous insn
        in the group.
        (compute_forward_dependences): Restore usage of group_leader.

        * sched-ebb.c (init_ready_list): Restore taking SCHED_GROUP_P into
        account.

        * sched-rgn.c (init_ready_list): Restore taking SCHED_GROUP_P into
        account.
        (can_schedule_ready_p): Ditto.
        (add_branch_dependences): Restore skipping over the group insns.

2003-01-16  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Fix handling
        68HC12 pre/post inc/dec side effects.

2003-01-16  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.h (MASK_M6812): Define.

2003-01-16  J"orn Rennecke <amylaar@onetel.net.uk>

        * sh.md (mshflo_w_x): Fix description of operation.

2003-01-16  Zack Weinberg  <zack@codesourcery.com>

        * config/rs6000/rs6000.h: Mention Altivec registers in
        commentary.  Fix typo.

2003-01-16  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (movti_string): Remove clobber.
        * config/rs6000/rs6000.c (rs6000_emit_move, TImode): Explicitly
        generate PARALLEL with clobber for TARGET_POWER.

2003-01-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * ra-colorize.c (colorize_one_web): Initialize variable.
        * regmove.c (fixup_match_1): Likewise.
        * reload1.c (reload_as_needed): Likewise.
        * sdbout.c (SET_KNOWN_TYPE_TAG): Add cast.

2003-01-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * cfgloop.c (flow_loops_find): Fix handling of abnormal edges.

2003-01-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * dbxout.c (lastfile, cwd): Fix `unused' warning.
        * dwarf2out.c (fde_table_in_use, current_funcdef_fde,
        dw_cfi_oprnd1_desc, dw_cfi_oprnd2_desc, next_die_offset,
        is_main_source, file_table, decl_die_table_in_use,
        abbrev_die_table_in_use, line_info_table_in_use,
        separate_line_info_table_in_use, pubname_table_in_use,
        arange_table_in_use, ranges_table_in_use,
        current_function_has_inlines): Likewise.
        * flow.c (life_analysis): Likewise.
        * genemit.c (gen_insn): Likewise.
        * protoize.c (cplus_suffix): Likewise.

        * arm.c (ROUND_UP_WORD): Renamed from ROUND_UP.
        * arm.h (ROUND_UP_WORD): Likewise.

        * arm.h (CONDITIONAL_REGISTER_USAGE): Avoid signed/unsigned
        warning.
        * emit-rtl.c (gen_rtx_REG, set_mem_attributes_minus_bitpos,
        init_emit_once): Likewise.
        * flow.c (mark_regs_live_at_end, calculate_global_regs_live):
        Likewise.
        * function.c (assign_stack_temp_for_type): Likewise.
        * loop.c (loop_invariant_p): Likewise.
        * recog.c (push_operand): Likewise.
        * regclass.c (init_reg_sets_1): Likewise.
        * reload.c (update_auto_inc_notes): Likewise.
        * reload1.c (reload_as_needed, emit_input_reload_insns): Likewise.
        * stmt.c (expand_asm_operands): Likewise.
        * stor-layout.c (start_record_layout): Likewise.

2003-01-16  Herman A.J. ten Brugge <hermantenbrugge@home.nl>

        * config/c4x/c4x.md (epilogue): Correct last patch.

2003-01-15  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (find_lo_sum_using_gp): Rename from find_lo_sum;
        also check that GP is being used.
        (alpha_find_lo_sum_using_gp): New.
        (alpha_does_function_need_gp): Use get_attr_usegp.
        * config/alpha/alpha-protos.h: Update.
        * config/alpha/alpha.md (attr usegp): New.  Annotate patterns
        as needed.

2003-01-15  Roger Sayle  <roger@eyesopen.com>

        * gcse.c (one_cprop_pass): Change function arguments to take both
        cprop_jumps and bypass_jumps flags instead of just alter_jumps.
        (gcse_main): Update calls to one_cprop_pass, disabling bypassing.
        (bypass_jumps): New function to perform separate jump bypassing pass.
        * rtl.h (bypass_jumps): Add function prototype.
        * timevar.def (TV_BYPASS): New timing variable.
        * toplev.c (enum dump_file_index): Add new entry DFI_bypass.
        (dump_file): New entry for the bypass RTL dump file.
        (rest_of_compilation): Insert new jump bypassing optimization
        pass after loop.
        * doc/passes.texi: Document new pass.

2003-01-15  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * som.h (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY, MAKE_DECL_ONE_ONLY,
        ASM_WEAKEN_LABEL, GTHREAD_USE_WEAK): Define.
        * pa.h (TARGET_SOM_SDEF): Define.
        * pa-hpux11.h (TARGET_SOM_SDEF): Define.

2003-01-16  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c (expand_prologue): Use push/pop to
        allocate 4-bytes of locals on 68HC11.
        (expand_epilogue): Likewise.
        (m68hc11_memory_move_cost): Increase cost of HI/QI soft registers.

2003-01-15  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.h (ASM_SPEC): Handle -m68hcs12; Pass -mshort
        and -mshort-double to the assembler to specify the ABI.
        (LINK_SPEC): Likewise.
        (CPP_SPEC): Pass HCS12 specific define.
        (MASK_M68S12): New define.
        (TARGET_M68S12): Likewise.
        (TARGET_SWITCHES): New options -m68hcs12 and -m68S12.
        (TARGET_VERSION): Update.
        * config/m68hc11/m68hc12.h (CPP_SPEC): Pass HCS12 specific define.
        (LINK_SPEC): Update.
        (ASM_SPEC): Update.
        * config/m68hc11/m68hc11.c (m68hc11_asm_file_start): Update.
        * doc/invoke.texi (M68hc1x Options): Document -m68hcs12.

2003-01-15  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.md ("return"): Use emit_jump_insn to emit
        the return code.

2003-01-15  Josef Zlomek  <zlomekj@suse.cz>

        * cfganal.c (set_edge_can_fallthru_flag): Clear the EDGE_CAN_FALLTHRU
        flag before setting it.

2003-01-15  Roger Sayle  <roger@eyesopen.com>

        * c-semantics.c (genrtl_while_stmt):  Improve initial RTL generation
        when loop condition is known true, i.e.  "while (1) { ... }".
        (genrtl_for_stmt): Similarly for "for" statements.

2003-01-15  Roger Sayle  <roger@eyesopen.com>

        * real.c (real_sqrt): Return a bool result indicating whether
        a floating point exception or trap should be raised.
        * real.h (real_sqrt): Update function prototype.
        * builtins.c (fold_builtin): Only fold non-trapping square
        roots unless we're ignoring errno and trapping math.

2003-01-15  John David Anglin  <dave.anglin@nrc.gc.ca>

        * expr.h (emit_conditional_add): Add PARAMS to declaration.
        * gengtype-lex.l (malloc, realloc): Move defines after include of
        system.h.  Remove duplicate include of system.h.

2003-01-15  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/9009
        * optabs.c (expand_unop):  When manipulating the FP sign bit
        using integer operations, account for targets with different
        integer and FP word orders.
        (expand_abs): Likewise.

2003-01-15  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_gen_section_name): Do not include
        file extension in section name.

2003-01-15  Richard Earnshaw  <rearnsha@arm.com>

        * flow.c (find_auto_inc): Also try to generate a PRE_MODIFY with
        constant offset.

2003-01-15  Richard Earnshaw  <rearnsha@arm.com>

        * arm.h (HAVE_PRE_MODIFY_DISP, HAVE_PRE_MODIFY_REG): Define.
        (HAVE_POST_MODIFY_DISP, HAVE_POST_MODIFY_REG): Define.
        (ARM_GO_IF_LEGITIMATE_ADDRESS): Handle pre/post-modify addresses.
        (ARM_PRINT_OPERAND_ADDRESS): Likewise.

2003-01-15  Jan Hubicka  <jh@suse.cz>

        PR f/9258
        * global.c (struct allocno): Add no_stack_reg.
        (global_conflicts): Set no_stack_reg.
        (find_reg): Use it.

        * convert.c (convert_to_real): Fold - and abs only when profitable.
        * fold-const.c (fold): Fold truncates in - and abs.

2003-01-15  Josef Zlomek  <zlomekj@suse.cz>

        Segher Boessenkool  <segher@koffie.nl>

        * predict.c (real_inv_br_prob_base): New variable.
        (propagate_freq): Use multiply by reciprocal instead of
        division.  Don't divide by 1.0 at all.
        (estimate_bb_frequencies): Similar.

2003-01-15  Alexandre Oliva  <aoliva@redhat.com>

        * configure.in (libgcc_visibility): Force disabled on IRIX 6 too.
        * configure: Rebuilt.

2003-01-15  Hartmut Penner  <hpenner@de.ibm.com>

        * config/s390/s390.c (s390_safe_attr_type): New function.
        (s390_use_dfa_pipeline_interface): New function, return true for z900.
        (s390_issue_rate): New function.
        (s390_agen_dep_p): New function.
        (addr_generation_dependency_p): Use 's390_safe_attr_type'.
        (s390_adjust_cost): Return 'cost' if new DFA is used.
        (s390_adjust_priority): Delete function.
        * config/s390/s390-protos.h: (s390_agen_dep_p): New prototype.
        * config/s390/s390.md (atype attribute): Attribute 'atype' default
        determined by 'op_type'.
        (type attribute): Added more type attributes.
        * config/s390/2064.md: New DFA description for z900 pipeline.

2003-01-15  Alexandre Oliva  <aoliva@redhat.com>

        * config/i386/i386.c (ix86_expand_vector_move): Validize constant
        forced to memory.  Fixes PR bootstrap/9036.

        * config/mips/mips.h (CRT_CALL_STATIC_FUNCTION): Define so as
        to set $gp before the call.

2003-01-14  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_expand_mov): Use correct mode
        for force_const_mem.

2003-01-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * genattr.c (main): Rearrange output to avoid prototype warning.
        * genautomata.c (transform_3): Fix ambiguous-else warning.
        * local-alloc.c (requires_inout): Add parentheses around
        assignment used as truth-value.
        * timevar.c: Move system includes above local includes.  Include
        toplev.h
        * Makefile.in (timevar.o): Depend on toplev.h.

2003-01-14  Denis Chertykov  <denisc@overta.ru>

        * config/ip2k/ip2k.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
        (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.

        * config/ip2k/ip2k.c (ip2k_attribute_table): New table of
        attributes.
        (TARGET_ATTRIBUTE_TABLE): New macro.
        (valid_machine_type_attribute): Remove.
        (valid_machine_decl_attribute): Remove.
        (ip2k_handle_progmem_attribute): New function.
        (ip2k_handle_fndecl_attribute): New function.

2003-01-10  Andrew Haley  <aph@redhat.com>

        * config/i386/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Rename
        registers to be in correct order.  Add rip.

2003-01-14  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*andsi3_lshiftrt_9_sb): New.
        (*iorsi3_and_lshiftrt_9_sb): Likewise.

2003-01-14  Jan Hubicka  <jh@suse.cz>

        * convert.c (strip_float_extensions):  Look for narrowest type handling
        FP constants.

        * fold-const.c (fold):  Fold (double)float1 CMP (double)float2 into
        float1 CMP float2.
        * convert.c (strip_float_extensions): Make global.
        * tree.h (strip_float_extensions): Declare.

2003-01-14  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * timevar.def: define TV_NAME_LOOKUP.
        * timevar.c (timevar_pop): Be verbose when aborting.

2003-01-13  Andreas Schwab  <schwab@suse.de>

        * Makefile.in ($(parsedir)/gengtype-lex.c): Don't change to
        $(parsedir), just move the temporary file at the end.
        ($(parsedir)/gengtype-yacc.c): Likewise.

2003-01-13  Alexandre Oliva  <aoliva@redhat.com>

        * aclocal.m4 (gcc_AC_PROG_GNAT): Don't try to prepend
        ${ac_tool_prefix} to ADAC or CC.  Protect them from word
        splitting.
        * configure: Rebuilt.

2003-01-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * config/sparc/gmon-sol2.c (moncontrol, monstartup, _mcleanup,
        internal_mcount): Don't use PARAMS.
        (monstartup, _mcleanup, internal_mcount, moncontrol): Convert to
        ISO C style.
        (internal_mcount): Use __attribute__, not ATTRIBUTE_UNUSED.

2003-01-13  Andreas Schwab  <schwab@suse.de>

        * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Output type
        directive.

2003-01-13  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*andsi3_lshift_n_sb): New.
        (*iorsi3_and_lshiftrt_n_sb): Likewise.

2003-01-12  Mark Mitchell  <mark@codesourcery.com>

        PR c++/9264
        * c-lex.c (c_lex): Set the token value to error_mark_node for
        invalid numeric constants.

2003-01-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * c-pch.c (asm_file_startpos): Change to `long'.
        (pch_init): Use ftell, not ftello.
        (c_common_write_pch): Use ftell/fseek, not ftello/fseeko.
        Use `long' instead of `off_t'.
        (c_common_read_pch): Likewise.
        * ggc-common.c (gt_pch_save): Use long/ftell instead of
        off_t/ftello.

2003-01-12  Alan Modra  <amodra@bigpond.net.au>

        * expr.c (expand_expr <RDIV_EXPR>): Correct recursive call args.

2003-01-11  Richard Earnshaw  (rearnsha@arm.com)

        * arm-protos.h (struct cpp_reader): Add declaration.

2003-01-11  Jan Hubicka  <jh@suse.cz>

        PR target/9068
        * i386.c (output_fp_compare): Fix typo.

2003-01-10  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (common_mode_defined): Mark for PCH.

2003-01-10  Geoffrey Keating  <geoffk@apple.com>

        * Makefile.in (parsedir): New variable.
        (docobjdir): New variable.
        (c-parse.o, c-parse.c, c-parse.y, gengtype-lex.o, gengtype-yacc.o,
        gengtype-lex.c, gengtype-yacc.c): Use parsedir.
        (info, cpp.info, gcc.info, gccint.info, gccinstall.info,
        cppinternals.info, generated-manpages, gcov.1, cpp.1, gcc.1, gfdl.7,
        gpl.7, fsf-funding.7, maintainer-clean, install-info, install-man):
        Use docobjdir.
        * objc/Make-lang.in (objc/objc-parse.c, objc/objc-parse.y,
        objc.maintainer-clean): Use parsedir.

        * varasm.c (struct constant_descriptor_rtx): Remove unused
        `label' field.

        * toplev.c (documented_lang_options): Document -Winvalid-pch.

2003-01-10  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.h (NO_PROFILE_COUNTERS): Set.
        (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Kill.

2003-01-10  Richard Henderson  <rth@redhat.com>

        * combine.c (make_compound_operation): Use SCALAR_INT_MODE_P,
        not INTEGRAL_MODE_P when widening extensions.

2003-01-10  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (decl_has_samegp): True for !TREE_PUBLIC.

2003-01-10  Geoffrey Keating  <geoffk@apple.com>

        * ggc-page.c (ggc_collect): Avoid overflow computing
        min_expand.

        * Makefile.in (RANLIB_FOR_TARGET): Use RANLIB when native.
        (RANLIB_TEST_FOR_TARGET): Delete.  Don't pass down to sub-makes.
        Remove calls.
        * mklibgcc.in: Remove uses of RANLIB_TEST_FOR_TARGET.

2003-01-10  Jan Hubicka  <jh@suse.cz>

        * ifcvt.c (noce_try_addcc): Do not call emit_conditional_add
        with weird operands.

2003-01-10  Dale Johannesen <dalej@apple.com>

        * calls.c (load_register_parameters):  Add is_sibcall, sibcall_failure
        parameters.  Call check_sibcall_argument_overlap if indicated.
        (check_sibcall_argument_overlap):  Add mark_stored_args_map
        parameter.  Don't mark parameter area as clobbered if not set.
        (expand_call):  Adjust calls to above.

2003-01-10 Kelley Cook <kelleycook@comcast.net>

        * configure.in (linker read-only and read-write section mixing):
        Squelch some assembler warnings.
        * configure: Likewise.

2003-01-10  Hartmut Penner  <hpenner@de.ibm.com>

        * doc/invoke.texi: Document -mtune, delete -mcpu
        option for S/390 and zSeries.
        * config/s390/s390.c (s390_tune_string) New variable.
        (s390_cpu_string) Delete variable.
        (override_options): Use s390_tune_string instead of
        s390_cpu_string.
        * config/s390/s390.h: (TARGET_OPTIONS) '-mtune' instead of '-mcpu'.

2003-01-10  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*iorsi3_ashift_31): New.

2003-01-10  Josef Zlomek  <zlomekj@suse.cz>

        * jump.c (next_nonnote_insn_in_loop): New function.
        (copy_loop_headers): Use next_nonnote_insn_in_loop instead of
        next_nonnote_insn.
        (duplicate_loop_exit_test). Likewise.

2003-01-09  Geoffrey Keating  <geoffk@apple.com>

        Merge from pch-branch:

        2003-01-06  Geoffrey Keating  <geoffk@apple.com>

        * ggc-page.c (ggc_pch_read): Update the statistics after a PCH
        load.

        2002-12-24  Geoffrey Keating  <geoffk@apple.com>

        * cpplib.c (count_registered_pragmas): New function.
        (save_registered_pragmas): New function.
        (_cpp_save_pragma_names): New function.
        (restore_registered_pragmas): New function.
        (_cpp_restore_pragma_names): New function.
        * cpphash.h (_cpp_save_pragma_names): Prototype.
        (_cpp_restore_pragma_names): Likewise.
        * cpppch.c (struct save_macro_item): Split from save_macro_data.
        (struct save_macro_data): New field 'saved_pragmas'.
        (save_macros): Update for changes to struct save_macro_data.
        (cpp_prepare_state): Call _cpp_save_pragma_names, update
        for changes to struct save_macro_data.
        (cpp_read_state): Call _cpp_restore_pragma_names, update
        for changes to struct save_macro_data.

        * cpppch.c (cpp_read_state): Restore the hashtable references
        in the cpp_reader.

        * tree.h (built_in_decls): Mark for PCH.

        * dbxout.c (lastfile): Don't mark for PCH.

        * ggc.h: Document PCH calls into memory managers.

        2002-12-18  Geoffrey Keating  <geoffk@apple.com>

        * doc/invoke.texi (Precompiled Headers): Document the
        directory form of PCH.
        * cppfiles.c (validate_pch): New function.
        (open_file_pch): Search suitably-named directories for PCH files.

        2002-12-14  Geoffrey Keating  <geoffk@apple.com>

        * doc/gty.texi (GTY Options): Document chain_next, chain_prev,
        reorder options.
        (Type Information): Mention that the information is also
        used to implement PCH.
        * doc/passes.texi (Passes): Improve documentation of
        language-specific files.

        2002-12-11  Geoffrey Keating  <geoffk@apple.com>

        * gengtype.c (struct write_types_data): Add reorder_note_routine field.
        (struct walk_type_data): Add reorder_fn field.
        (walk_type): Process 'reorder' option.
        (write_types_process_field): Reorder parameters to gt_pch_note_object,
        call reorder_note_routine.
        (write_func_for_structure): Reorder parameters to gt_pch_note_object.
        (ggc_wtd): Update for change to struct write_types_data.
        (pch_wtd): Likewise.
        * ggc.h (gt_pch_note_object): Reorder parameters.
        (gt_handle_reorder): New definition.
        (gt_pch_note_reorder): New prototype.
        * ggc-common.c (struct ptr_data): Add reorder_fn.
        (gt_pch_note_object): Reorder parameters.
        (gt_pch_note_reorder): New.
        (gt_pch_save): Call reorder_fn.
        * stringpool.c (gt_pch_n_S): Update for change to gt_pch_note_object.

        * dbxout.c (cwd): Don't mark for PCH.

        2002-12-09  Geoffrey Keating  <geoffk@apple.com>

        * gengtype.c (finish_root_table): Fix some warnings.
        (write_root): Handle TYPE_STRING.
        * ggc.h (gt_ggc_m_S): Add prototype.
        * stringpool.c (gt_ggc_m_S): New function.

        2002-11-30  Geoffrey Keating  <geoffk@apple.com>

        * dwarf2out.c (dw2_string_counter): New.
        (AT_string_form): Use it.
        (same_dw_val_p): Update for removal of hashtable.h hash tables.

        2002-11-22  Geoffrey Keating  <geoffk@apple.com>

        * dbxout.c: Include gt-dbxout.h.
        (lastfile): Mark for PCH/GGC.
        (cwd): Likewise.
        (struct typeinfo): Likewise.
        (typevec): Likewise.
        (typevec_len): Likewise.
        (next_type_number): Likewise.
        (struct dbx_file): Likewise.
        (current_file): Likewise.
        (next_file_number): Likewise.
        (dbxout_init): Allocate typevec, struct dbx_file with GGC.
        (dbxout_start_source_file): Allocate struct dbx_file with GGC.
        (dbxout_end_source_file): Don't free struct dbx_file.
        (dbxout_type): Use GGC to allocate typevec.
        * Makefile.in (dbxout.o): Depend on gt-dbxout.h, $(GGC_H).
        (GTFILES): Add dbxout.c.
        (gt-dbxout.h): New rule.

        * Makefile.in (c-pch.o): Add debug.h as dependency.
        * c-pch.c: Include debug.h.
        (pch_init): Call start_source_file to keep nesting right.
        (c_common_read_pch): Add orig_name parameter.  Call
        start_source_file debug hook.  Call end_source_file debug hook.
        * c-common.h (c_common_read_pch): Update prototype.
        * cpplib.h (struct cpp_callbacks): Add fourth field to read_pch
        callback.
        * cppfiles.c (struct include_file): Add new field `header_name'.
        (find_or_create_entry): Default it to `name'.
        (open_file_pch): Set it to the original header file searched for.
        (stack_include_file): Don't stack an empty buffer, just handle
        PCH files immediately.  Pass header_name field to read_pch callback.

        2002-11-19  Geoffrey Keating  <geoffk@apple.com>

        * function.c (funcdef_no): Mark to be saved in a PCH.

        2002-11-15  Geoffrey Keating  <geoffk@apple.com>

        * ggc-page.c (ggc_pch_read): Remove unused 'bmap_size'.

        * cpppch.c (cpp_read_state): Correct size reallocated for 'defn'.

        2002-11-14  Geoffrey Keating  <geoffk@apple.com>

        * optabs.h (code_to_optab): Add GTY marker.

        2002-11-13  Geoffrey Keating  <geoffk@apple.com>

        * Makefile.in (GTFILES): Add cpplib.h.
        * c-common.h (struct c_common_identifier): Don't skip 'node' field.
        * c-decl.c (build_compound_literal): Don't use var_labelno.
        * cpplib.h (struct cpp_hashnode): Use gengtype to mark.
        * dwarf2asm.c (dw2_force_const_mem): Don't use const_labelno.
        * varasm.c (const_labelno): Use gengtype to mark.
        (var_labelno): Likewise.
        (in_section): Likewise.
        (in_named_name): Likewise.
        (struct in_named_entry): Likewise.
        (in_named_htab): Likewise.
        (set_named_section_flags): Use GGC to allocate struct in_named_entry.
        (init_varasm_once): Use GGC to allocate in_named_htab.
        * config/darwin.c (current_pic_label_num): Mark for PCH.

        2002-11-11  Geoffrey Keating  <geoffk@apple.com>

        * ggc-simple.c (init_ggc_pch): New stub procedure.
        (ggc_pch_count_object): Likewise.
        (ggc_pch_total_size): Likewise.
        (ggc_pch_this_base): Likewise.
        (ggc_pch_alloc_object): Likewise.
        (ggc_pch_prepare_write): Likewise.
        (ggc_pch_write_object): Likewise
        (ggc_pch_finish): Likewise.
        (ggc_pch_read): Likewise.

        2002-11-08  Geoffrey Keating  <geoffk@apple.com>

        * c-pch.c (c_common_write_pch): Write the macro definitions after
        the GCed data.
        (c_common_read_pch): Call cpp_prepare_state.  Restore the macro
        definitions after the GCed data.
        * cpplib.c (save_macros): New.
        (reset_ht): New.
        (cpp_write_pch_deps): Split out of cpp_write_pch.
        (cpp_write_pch_state): Split out of cpp_write_pch.
        (cpp_write_pch): Delete.
        (struct save_macro_data): Delete.
        (cpp_prepare_state): New.
        (cpp_read_state): Erase and restore initial macro definitions.
        * cpplib.h (struct save_macro_data): Forward-declare.
        (cpp_write_pch_deps): Prototype.
        (cpp_write_pch_state): Prototype.
        (cpp_write_pch): Delete prototype.
        (cpp_prepare_state): Prototype.
        (cpp_read_state): Add fourth argument.

        2002-11-04  Geoffrey Keating  <geoffk@apple.com>

        * gengtype.c (adjust_field_rtx_def): Don't use skip on valid fields.
        (write_array): Remove warning.

        * gengtype.c (contains_scalar_p): New.
        (finish_root_table): Add the table to all languages, even if it's
        empty.
        (write_roots): Output gt_pch_scalar_rtab.
        * ggc-common.c (gt_pch_save): Write out scalars.
        (gt_pch_restore): Read scalars back.

        * ggc-page.c (OBJECTS_IN_PAGE): New macro.
        (struct page_entry): Delete pch_page field.
        (ggc_recalculate_in_use_p): Use OBJECTS_IN_PAGE.
        (clear_marks): Likewise.
        (sweep_pages): Likewise.
        (poison_pages): Likewise.
        (ggc_print_statistics): Likewise.
        (ggc_pch_read): Don't free objects read from a PCH.
        Properly set up in_use_p and page_tails.

        2002-10-25  Geoffrey Keating  <geoffk@apple.com>

        * gengtype.c (struct write_types_data): New.
        (struct walk_type_data): Make `cookie' const; add extra
        prev_val item; add `orig_s' field.
        (walk_type): Update prev_val[3].
        (write_types_process_field): New.
        (write_func_for_structure): Take write_types_data structure.
        (write_types): New.
        (ggc_wtd): New.
        (pch_wtd): New.
        (write_types_local_process_field): New.
        (gc_mark_process_field): Delete.
        (write_local_func_for_structure): New.
        (gc_mark_func_name): Delete.
        (write_gc_types): Delete.
        (write_local): New.
        (finish_root_table): Don't include 'ggc_' in PFX.
        (write_root): Rename from write_root.  Fill pchw field of structures.
        (write_array): New.
        (write_roots): Rename from write_gc_roots.  Split out to write_array.
        Update to changes to other routines.  Write gt_pch_cache_rtab table.
        (main): Write PCH walking routines.
        * ggc-common.c: Include toplev.h, sys/mman.h.
        (ggc_mark_roots): For cache hashtables, also mark the hash table
        and the array of entries.
        (saving_htab): New.
        (struct ptr_data): New.
        (POINTER_HASH): New.
        (gt_pch_note_object): New.
        (saving_htab_hash): New.
        (saving_htab_eq): New.
        (struct traversal_state): New.
        (call_count): New.
        (call_alloc): New.
        (compare_ptr_data): New.
        (relocate_ptrs): New.
        (write_pch_globals): New.
        (struct mmap_info): New.
        (gt_pch_save): New.
        (gt_pch_restore): New.
        * ggc-page.c (ROUND_UP_VALUE): New.
        (ROUND_UP): New.
        (struct page_entry): Add field `pch_page'.
        (init_ggc): Use ROUND_UP.
        (struct ggc_pch_data): Declare.
        (init_ggc_pch): New.
        (ggc_pch_count_object): New.
        (ggc_pch_total_size): New.
        (ggc_pch_this_base): New.
        (ggc_pch_alloc_object): New.
        (ggc_pch_prepare_write): New.
        (ggc_pch_write_object): New.
        (ggc_pch_finish): New.
        (ggc_pch_read): New.
        * ggc.h (gt_pointer_operator): New.
        (gt_note_pointers): New.
        (gt_pch_note_object): New prototype.
        (gt_pointer_walker): New.
        (struct ggc_root_tab): Use gt_pointer_walker, add `pchw' field.
        (LAST_GGC_ROOT_TAB): Update.
        (gt_pch_cache_rtab): Declare.
        (gt_pch_scalar_rtab): Declare.
        (struct ggc_cache_tab): Use gt_pointer_walker, add `pchw' field.
        (LAST_GGC_CACHE_TAB): Update.
        (gt_pch_save_stringpool): Declare.
        (gt_pch_restore_stringpool): Declare.
        (gt_pch_p_S): Declare.
        (gt_pch_n_S): Declare.
        (struct ggc_pch_data): Forward-declare.
        (init_ggc_pch): Declare.
        (ggc_pch_count_object): Declare.
        (ggc_pch_total_size): Declare.
        (ggc_pch_this_base): Declare.
        (ggc_pch_alloc_object): Declare.
        (ggc_pch_prepare_write): Declare.
        (ggc_pch_write_object): Declare.
        (ggc_pch_finish): Declare.
        (ggc_pch_read): Declare.
        (gt_pch_save): Declare.
        (gt_pch_restore): Declare.
        * fold-const.c (size_int_type_wide): Allocate size_htab using GGC.
        * emit-rtl.c (init_emit_once): Allocate const_int_htab,
        const_double_htab, mem_attrs_htab using GGC.
        * c-pch.c: Include ggc.h.
        (pch_init): Allow reading PCH file back.
        (c_common_write_pch): Call gt_pch_save.
        (c_common_read_pch): Call gt_pch_restore.
        * c-parse.in (init_reswords): Delete now-untrue comment.
        Allocate ridpointers using GGC.
        * c-objc-common.c (c_objc_common_finish_file): Write PCH before
        calling expand_deferred_fns.
        * c-common.h (ridpointers): Mark for GTY machinery.
        * Makefile.in (stringpool.o): Update dependencies.
        (c-pch.o): Update dependencies.
        (ggc-common.o): Update dependencies.
        * stringpool.c: Include gt-stringpool.h.
        (gt_pch_p_S): New.
        (gt_pch_n_S): New.
        (struct string_pool_data): New.
        (spd): New.
        (gt_pch_save_stringpool): New.
        (gt_pch_restore_stringpool): New.
        * tree.c (init_ttree): Make type_hash_table allocated using GC.

        2002-10-04  Geoffrey Keating  <geoffk@apple.com>

        * gengtype.c (adjust_field_rtx_def): Don't pass size_t to printf.
        (output_mangled_typename): Don't pass size_t to printf.

        * tree.h (union tree_type_symtab): Add tag to `address' field.
        (union tree_decl_u2): Add tag to 'i' field.
        * varasm.c (union rtx_const_un): Add tags to all fields.
        * gengtype.c (struct walk_type_data): New.
        (output_escaped_param): Take struct walk_type_data parameter.
        (write_gc_structure_fields): Delete.
        (walk_type): New.
        (write_gc_marker_routine_for_structure): Delete.
        (write_func_for_structure): New.
        (gc_mark_process_field): New.
        (gc_mark_func_name): New.
        (gc_counter): Delete.
        (write_gc_types): Use write_func_for_structure.
        (write_gc_roots): Use walk_type.

        2002-10-02  Geoffrey Keating  <geoffk@apple.com>

        * ggc-common.c (ggc_mark_roots): Delete 'x'.
        (ggc_splay_dont_free): Fix warning about unused 'x'.
        (ggc_print_common_statistics): Remove warnings.

        2002-10-01  Mike Stump  <mrs@apple.com>

        * ggc-common.c (ggc_splay_alloc): Actually return the allocated area.
        * gengtype.c (write_gc_structure_fields): Handle param[digit]_is.

        2002-09-01  Geoffrey Keating  <geoffk@redhat.com>
            Catherine Moore  <clm@redhat.com>

        * Makefile (c-pch.o): Update dependencies.
        (LIBCPP_OBJS): Add cpppch.o.
        (cpppch.o): New.
        * c-common.c (c_common_init): Don't call pch_init here.
        * c-common.h (c_common_read_pch): Update prototype.
        * c-lex.c (c_common_parse_file): Call pch_init here.
        * c-opts.c (COMMAND_LINE_OPTIONS): Add -Winvalid-pch, -fpch-deps.
        (c_common_decode_option): Handle them.
        * c-pch.c: Include c-pragma.h.
        (save_asm_offset): Delete.
        (pch_init): Move contents of save_asm_offset into here, call
        cpp_save_state.
        (c_common_write_pch): Call cpp_write_pch.
        (c_common_valid_pch): Warn only when -Winvalid-pch.  Call
        cpp_valid_state.
        (c_common_read_pch): Add NAME parameter.  Call cpp_read_state.
        * cppfiles.c (stack_include_file): Update for change to
        parameters of cb.read_pch.
        * cpphash.h (struct cpp_reader): Add `savedstate' field.
        * cpplib.h (struct cpp_options): Add `warn_invalid_pch' and
        `restore_pch_deps' fields.
        (struct cpp_callbacks): Add NAME parameter to `read_pch'.
        (cpp_save_state): Prototype.
        (cpp_write_pch): Prototype.
        (cpp_valid_state): Prototype.
        (cpp_read_state): Prototype.
        * cpppch.c: New file.
        * flags.h (version_flag): Remove prototype.
        * mkdeps.c (deps_save): New.
        (deps_restore): New.
        * mkdeps.h (deps_save): Prototype.
        (deps_restore): Prototype.
        * toplev.c (late_init_hook): Delete.
        (version_flag): Make static again.
        (compile_file): Don't call late_init_hook.
        * toplev.h (late_init_hook): Delete.
        * doc/cppopts.texi: Document -fpch-deps.
        * doc/invoke.texi (Warning Options): Document -Winvalid-pch.

        2002-08-27  Geoffrey Keating  <geoffk@redhat.com>

        * c-pch.c (c_common_write_pch): Rename from c_write_pch, change
        callers.
        (c_common_valid_pch): Rename from c_valid_pch, change callers.
        (c_common_read_pch): Rename from c_read_pch, change callers.

        * c-opts.c (COMMAND_LINE_OPTIONS): Allow -output-pch= to have
        a space between it and its argument.

        2002-08-24  Geoffrey Keating  <geoffk@redhat.com>

        * c-pch.c: New file.
        * toplev.h (late_init_hook): Declare.
        * toplev.c (late_init_hook): Define.
        (version_flag): Make globally visible.
        (compile_file): Call late_init_hook.
        (init_asm_output): Make output file seekable.
        * gcc.c (default_compilers): Update c-header rule.
        * flags.h (version_flag): Declare.
        * cpplib.h (struct cpp_callbacks): Add 'valid_pch' and 'read_pch'
        fields.
        * cppfiles.c (struct include_file): Add 'pch' field.
        (INCLUDE_PCH_P): New.
        (open_file_pch): New.
        (stack_include_file): Handle PCH files specially.
        (find_include_file): Call open_file_pch instead of open_file.
        (_cpp_read_file): Explain why open_file is used instead of
        open_file_pch.
        * c-opts.c (c_common_decode_option): Correct OPT__output_pch case.
        * c-objc-common.c (c_objc_common_finish_file): Call c_write_pch.
        * c-lex.c (init_c_lex): Set valid_pch and read_pch fields
        in cpplib callbacks.
        * c-common.c (pch_file): Correct comment.
        (allow_pch): Define.
        (c_common_init): Call pch_init.
        * c-common.h (allow_pch): Declare.
        (pch_init): Declare.
        (c_valid_pch): Declare.
        (c_read_pch): Declare.
        (c_write_pch): Declare.
        * Makefile.in (c-pch.o): New.
        (C_AND_OBJC_OBJS): Add c-pch.o.
        * doc/invoke.texi (Precompiled Headers): Add index entries,
        complete truncated paragraph.

        2002-08-17  Geoffrey Keating  <geoffk@redhat.com>

        * c-common.c: (pch_file): Define.
        * c-common.h (pch_file): Declare.
        * c-opts.c (COMMAND_LINE_OPTIONS): Add --output-pch=.
        (missing_arg): Require --output-pch= to have an argument.
        (c_common_decode_option): Handle --output-pch=.
        * gcc.c: Document new %V.
        (default_compilers): Handle compiling C header files.
        (do_spec_1): Implement %V.
        (main): Handle "gcc foo.h" without trying to run linker.
        * doc/invoke.texi (Invoking GCC): Add new menu item for PCH.
        (Overall Options): Document what the driver does with header files,
        document new -x option possibilities.
        (Invoking G++): More documentation for PCH.
        (Precompiled Headers): New.

        2002-08-09  Geoffrey Keating  <geoffk@redhat.com>

        * ggc.h: Don't include varray.h.  Rearrange functions to be more
        organized.
        (ggc_add_root): Delete.
        (ggc_mark_rtx): Delete.
        (ggc_mark_tree): Delete.
        (struct ggc_statistics): Remove contents.
        * ggc-common.c: Remove unneeded includes.
        (struct ggc_root): Delete.
        (roots): Delete.
        (ggc_add_root): Delete.
        (ggc_mark_roots): Don't mark `roots'.  Call ggc_mark_stringpool.
        (ggc_print_common_statistics): Remove most of the contents.
        * Makefile.in (GGC_H): No longer uses varray.h.
        (ggc-common.o): Update dependencies.
        (c-parse.o): Add varray.h to dependencies.
        (c-common.o): Add varray.h.
        * stringpool.c (mark_ident): Use mangled name for tree marker routine.
        (mark_ident_hash): Rename to ggc_mark_stringpool.
        (init_stringpool): Don't use ggc_add_root.
        * c-parse.in: Include varray.h.
        * c-common.c: Include varray.h.
        * objc/Make-lang.in (objc-act.o): Add varray.h.
        * objc/objc-act.c: Include varray.h.

        2002-07-25  Geoffrey Keating  <geoffk@redhat.com>

        * dwarf2out.c (dw_cfi_oprnd2_desc): Fix ISO-only function definition.
        (dw_cfi_oprnd1_desc): Likewise.

        2002-07-17  Geoffrey Keating  <geoffk@redhat.com>

        * config/alpha/alpha.c (struct alpha_links): Use gengtype to mark;
        move out of ifdef.
        (alpha_links): Use gengtype to mark; move out of ifdef.
        (mark_alpha_links_node): Delete.
        (mark_alpha_links): Delete.
        (alpha_need_linkage): Use GGC to allocate splay tree, struct
        alpha_links, strings.  Don't use ggc_add_root.
        * ggc-common.c (ggc_splay_alloc): New.
        (ggc_splay_dont_free): New.
        * ggc.h (ggc_mark_rtx): Update for changed name mangling.
        (ggc_mark_tree): Likewise.
        (splay_tree_new_ggc): New.
        (ggc_splay_alloc): Declare.
        (ggc_splay_dont_free): Declare.
        * dwarf2asm.c: Include gt-dwarf2asm.h.
        (mark_indirect_pool_entry): Delete.
        (mark_indirect_pool): Delete.
        (indirect_pool): Use gengtype to mark.
        (dw2_force_const_mem): Don't use ggc_add_root.
        * Makefile.in (dwarf2asm.o): Depend on gt-dwarf2asm.h.
        (GTFILES): Add SPLAY_TREE_H, dwarf2asm.c.
        (gt-dwarf2asm.h): Depend on s-gtype.

        2002-07-08  Geoffrey Keating  <geoffk@redhat.com>

        * tree.h (union tree_type_symtab): Mark `die' field.
        * Makefile.in (dwarf2out.o): Update dependencies.
        * dwarf2out.c: Use GGC to allocate all structures.  Convert to htab_t
        hash tables.
        (dw_cfi_oprnd1_desc): New function.
        (dw_cfi_oprnd2_desc): New function.
        (indirect_string_alloc): Delete.
        (debug_str_do_hash): New function.
        (debug_str_eq): New function.
        (mark_limbo_die_list): Delete.
        (dwarf2out_init): Don't call ggc_add_root.

2003-01-09  Vladimir Makarov  <vmakarov@redhat.com>

        The following changes are merged from itanium-sched-branch:

        2003-01-08  David Edelsohn  <edelsohn@gnu.org>

        * doc/md.texi: Clarify assignment of units to automata description.

        2003-01-08  Vladimir Makarov  <vmakarov@redhat.com>

        * genautomata.c (unit_decl): Remove members
        `the_same_automaton_unit' and
        `the_same_automaton_message_reported_p'.
        (process_unit_to_form_the_same_automaton_unit_lists,
        form_the_same_automaton_unit_lists_from_regexp,
        form_the_same_automaton_unit_lists, the_same_automaton_lists):
        Remove them.
        (annotation_message_reported_p): New global variable.
        (check_unit_distribution_in_reserv,
        check_regexp_units_distribution): New functions.
        (check_unit_distributions_to_automata): Rewrite it.

        2003-01-04  Vladimir Makarov  <vmakarov@redhat.com>

        * genautomata.c (form_the_same_automaton_unit_lists_from_regexp):
        Use continue instead of break if cycle is too big.

        2002-12-20  Vladimir Makarov  <vmakarov@redhat.com>

        * genautomata.c (check_unit_distributions_to_automata): Output at
        most one message for a unit.
        (process_unit_to_form_the_same_automaton_unit_lists): Check
        automaton of units instead of units themself.

        * doc/md.texi: Describe the constraint about assigning unit to
        automata.

        2002-12-20  Jan Hubicka  <jH@suse.cz>
                    Vladimir Makarov  <vmakarov@redhat.com>

        * genautomata.c (unit_decl): Add new members `min_occ_cycle_num'
        and `in_set_p'.
        (gen_cpu_unit): Initialize the new members.
        (process_regexp_cycles): Calculate minimal finish cycle too.  Set
        up `min_occ_cycle_num'.
        (evaluate_max_reserv_cycles): Change the function call.
        (CLEAR_BIT): New macro.
        (states_union, state_shift): Use the mask.
        (initiate_excl_sets, form_reserv_sets_list): Set up `in_set_p'.
        (form_reservs_matter): New function.
        (make_automaton): Call the function and use the mask.
        (estimate_one_automaton_bound): Take `min_occ_cycle_num' into
        account.

        2002-12-17  Vladimir Makarov  <vmakarov@redhat.com>

        * config/ia64/itanium2.md (lfetch): Change the insn reservation.

        2002-12-17  Vladimir Makarov  <vmakarov@redhat.com>

        * config/ia64/ia64.c (bundling): Try to insert 2 nops for M insn
        for Itanium.

        2002-12-17  Vladimir Makarov  <vmakarov@redhat.com>

        * config/ia64/ia64.c (ia64_override_options): Make itanium2 as
        default cpu.

        2002-12-17  Vladimir Makarov  <vmakarov@redhat.com>
                2002-10-31  Dale Johannesen <dalej@apple.com>

        * haifa-sched.c (find_set_reg_weight): New function.
        (find_insn_reg_weight): Use the new function.
        (schedule_block): Do sorting ready queue always
        after insn issue.

        2002-11-27  Vladimir Makarov  <vmakarov@redhat.com>

        * config/ia64/ia64.c (bundling): Use MFI template instead of MLX.

        2002-11-19  Vladimir Makarov  <vmakarov@redhat.com>

        * haifa-sched.c (choice_entry): New structure.
        (choice_stack, cycle_issued_insns): New variables.
        (max_issue): Rewrite it.
        (choose_ready): Set up ready_try for unknown insns too.
        (schedule_block): Allocate and free choice_stack.  Set up
        and modify cycle_issued_insns.

        * config/ia64/ia64.c (issue_nops_and_insn): Combine insn issue
        with and without filling the bundle.
        (bundling): Combine calls of issue_nops_and_insn.

        2002-10-17  Vladimir Makarov  <vmakarov@redhat.com>

        * config/ia64/itanium1.md: New file.

        * config/ia64/itanium2.md: New file.

        * config/ia64/ia64.md: Move DFA descriptions into the new files.
        Remove the old pipeline description.

        * config/ia64/ia64.c (ia64_override_options): Add aliases of
        itanium processor names.

        2002-10-16  Vladimir Makarov  <vmakarov@redhat.com>

        * config/ia64/ia64.c (bundling): Print states for Itanium2 too.
        (ia64_reorg):  Set up queried unit codes for Itanium2 too.

        * config/ia64/ia64.md: Add descriptions for Itanium2.

        2002-10-08  Vladimir Makarov  <vmakarov@redhat.com>

        * config/ia64/ia64.h (processor_type): New enumeration.
        (ia64_tune, ia64_tune_string): New external declarations.
        (TARGET_OPTIONS): Add option `tune='.

        * config/ia64/ia64.c (ia64_tune, ia64_tune_string): New global
        variables.
        (ia64_override_options): Set up `ia64_tune'.
        (ia64_sched_reorder2): Set up `clocks' only for Itanium.
        (ia64_dfa_new_cycle): Set up `add_cycles' only for Itanium.
        (bundling): Add nops for MM-insns only for Itanium.
        (ia64_reorg): Allocate and free `clocks' and `add_cycles' only for
        Itanium.

        * config/ia64/ia64.md (cpu): New attribute.
        (DFA description): Enable it only for Itanium.

        2002-10-08  Vladimir Makarov  <vmakarov@redhat.com>
                    Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.h (MASK_TUNE_STOP_BITS): Rename it to
        MASK_EARLY_STOP_BITS.
        (TARGET_TUNE_STOP_BITS): Rename it to TARGET_EARLY_STOP_BITS.
        (TARGET_SWITCHES): Rename option `tune-stop-bits' to
        `early-stop-bits'.

        * config/ia64/ia64.c (ia64_dfa_new_cycle,
        final_emit_insn_group_barriers): Use TARGET_EARLY_STOP_BITS
        instead of TARGET_TUNE_STOP_BITS.

        * doc/invoke.texi: Rename option `-mtune-stop-bits' to
        `-mearly-stop-bits'.

        * config/ia64/ia64.c (automata_option "v"): Comment it.

        2002-10-07  Vladimir Makarov  <vmakarov@redhat.com>

        * config/ia64/ia64.h (MASK_TUNE_STOP_BITS, TARGET_TUNE_STOP_BITS):
        New macros.
        (TARGET_SWITCHES): Add entries for the new option.

        * config/ia64/ia64.c (dfa_stop_insn, last_scheduled_insn, rtx
        dfa_pre_cycle_insn, ia64_nop): Don't make them as roots for GC.
        (stops_p, stop_before_p, clocks_length, clocks, add_cycles): New
        global variables.
        (ia64_sched_reorder2): Set up `clocks'.
        (ia64_variable_issue): Set up `stops_p' and reset `stop_before_p'.
        (ia64_dfa_new_cycle): Set up add_cycle.  Permit sorting ready
        queue when TARGET_TUNE_STOP_BITS.
        (bundling): Insert additional nops for MM-insns.
        (final_emit_insn_group_barriers): Add insertion of stop bits
        according `stops_p'.
        (ia64_reorg): Initiate the new varibales.

        * doc/invoke.texi: Add description of option `-mtune-stop-bits'.

        2002-10-02  Vladimir Makarov  <vmakarov@redhat.com>

        * haifa-sched.c (schedule_block): Modify INSN_TICK of depended
        insns at the end of block insn scheduling.

        2002-09-30  Vladimir Makarov  <vmakarov@redhat.com>

        * sched-deps.c (remove_dependence, group_leader): Remove it.
        (add_dependence): Add dependence to group leader to.
        (set_sched_group_p): Add dependence to the first insn of the
        schedule group too.
        (sched_analyze_insn): Make dependence to jump as anti-dependence.
        Change true dependence by anti-dependence when
        `reg_pending_barrier'.

        * sched-rgn.c (init_ready_list, can_schedule_ready_p,
        add_branch_dependences): Ignore schedule groups.

        * sched-ebb.c (init_ready_list): Ditto.

        * (move_insn, set_priorities): Ditto.

        * config/ia64/ia64.c (ia64_sched_init): Check that schedule group
        flag is clear after reload.
        (adjust_cost): Change cost only for output dependencies.

        * config/ia64/ia64.md: Add more insns into bypass for MM-insns.

        2002-09-26  Vladimir Makarov  <vmakarov@redhat.com>

        * Makefile.in (sched-ebb.o): Add `$(TARGET_H)' to the entry.

        * target.h (gcc_target): Add member
        `dependencies_evaluation_hook'.

        * target-def.h (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK): New
        macro.
        (TARGET_SCHED): Add initiatialization of the new member.

        * sched-ebb.c: Include `target.h'.
        (schedule_ebb): Call `dependencies_evaluation_hook'.

        * sched-rgn.c (schedule_region): Call
        `dependencies_evaluation_hook'.

        * config/ia64/ia64.c (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK):
        New macro.
        (ia64_dependencies_evaluation_hook): New function.

        * doc/tm.texi (TARGET_SCHED_DEPENDENCIES_EVALUATION_HOOK):
        Describe the new hook.

        2002-09-25  Vladimir Makarov  <vmakarov@redhat.com>

        * target.h (gcc_target): Add members
        `first_cycle_multipass_dfa_lookahead_guard' and `dfa_new_cycle'.

        * target-def.h (TARGET_SCHED_DFA_NEW_CYCLE,
        TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): New
        macros.
        (TARGET_SCHED): Add initiatialization of the new members.

        * haifa-sched.c (schedule_insn): Update last_clock_var for the 1st
        insn scheduling too.
        (choose_ready): Use `first_cycle_multipass_dfa_lookahead_guard' to
        initialize `ready_try'.
        (schedule_block): Use `dfa_new_cycle'.  Sort `ready' only unless
        `dfa_new_cycle' says not to do it.

        * config/ia64/ia64.md: Add DFA Itanium 1 description for insn
        bundling.

        * config/ia64/ia64.h (CPU_UNITS_QUERY): New macro.

        * config/ia64/ia64.c: Include `hashtab.h'.
        (ia64_first_cycle_multipass_dfa_lookahead_guard,
        ia64_dfa_new_cycle, final_emit_insn_group_barriers,
        ia64_dfa_sched_reorder, get_free_bundle_state, free_bundle_state,
        initiate_bundle_states, finish_bundle_states, bundle_state_hash,
        bundle_state_eq_p, insert_bundle_state,
        initiate_bundle_state_table, finish_bundle_state_table,
        try_issue_nops, try_issue_insn, issue_nops_and_insn, get_max_pos,
        get_template, get_next_important_insn, bundling): New functions.
        (ia64_internal_sched_reorder): Remove it.
        (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD,
        TARGET_SCHED_DFA_NEW_CYCLE): New macros.
        (ia64_safe_itanium_requires_unit0): Remove it.
        (group_barrier_needed_p): Place group barrier right before a real
        insn.
        (bundle, ia64_packet, NR_PACKETS, type_names, packets, packets):
        Remove them.
        (bundle_name): New variable.
        (_0mii_, _0mmi_, _0mfi_, _0mmf_, _0bbb_, _0mbb_, _0mib_, _0mmb_,
        _0mfb_, _0mlx_, _1mii_, _1mmi_, _1mfi_, _1mmf_, _1bbb_, _1mbb_,
        _1mib_, _1mmb_, _1mfb_, _1mlx_, pos_1, pos_2, pos_3, pos_4, pos_5,
        pos_6, dfa_stop_insn, last_scheduled_insn, dfa_state_size,
        temp_dfa_state, prev_cycle_state): New global variables.
        (insn_matches_slot, maybe_rotate, finish_last_head,
        rotate_one_bundle, rotate_one_bundles, nop_cycles_until,
        cycle_end_fill_slots, packet_matches_p, get_split, find_best_insn,
        find_best_packet, itanium_reorder, dump_current_packet,
        schedule_stop, gen_nop_type, ia64_emit_nops): Remove them.
        (sched_data, sched_ready, sched_types): Remove them.
        (ia64_sched_init): Initiate only `last_scheduled_insn' and call
        `init_insn_group_barriers'.
        (ia64_sched_reorder, ia64_sched_reorder2): Call
        ia64_dfa_sched_reorder.
        (ia64_variable_issue): Rewrite it.
        (bundle_state): New structure.
        (index_to_bundle_states, bundle_states_num,
        allocated_bundle_states_chain, free_bundle_state_chain): New
        global variables.
        (ia64_sched_finish): Add stop bits and call `bundling' after the
        2nd insn scheduling.
        (ia64_use_dfa_pipeline_interface): Return zero always.
        (ia64_first_cycle_multipass_dfa_lookahead): Return 6 for the 2nd
        insn scheduling.
        (ia64_init_dfa_pre_cycle_insn): Initialize `dfa_state_size',
        `temp_dfa_state', `prev_cycle_state', and `dfa_stop_insn'.
        (ia64_reorg): Add bundling insns.

        * doc/tm.texi
        (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD,
        TARGET_SCHED_DFA_NEW_CYCLE): Describe the new hooks.

        2002-09-23  Vladimir Makarov  <vmakarov@redhat.com>

        * config/ia64/ia64.md: Add Itanium1 DFA description.
        (itanium_class): Add `nop' and `pre_cycle'.  Add
        define_function_unit for `nop'.
        (nop): Change attribute `itanium_class'.
        (pre_cycle): New define_insn.

        * config/ia64/ia64-protos.h (bundling_p): New external variable.
        (ia64_st_address_bypass_p, ia64_ld_address_bypass_p,
        ia64_produce_address_p): New function prototypes.

        * config/ia64/ia64.c (bundling_p): New global variable.
        (ia64_use_dfa_pipeline_interface,
        ia64_first_cycle_multipass_dfa_lookahead,
        ia64_init_dfa_pre_cycle_insn, ia64_dfa_pre_cycle_insn): New
        functions.
        (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
        TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
        TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
        TARGET_SCHED_DFA_PRE_CYCLE_INSN): New macros.
        (ia64_sched_init, ia64_sched_reorder, ia64_sched_reorder2,
        ia64_variable_issue, ia64_sched_finish): Do nothing before reload.
        (dfa_pre_cycle_insn): New variable.

        2002-09-20  Vladimir Makarov  <vmakarov@redhat.com>

        * rtl.def (FINAL_PRESENCE_SET, FINAL_ABSENCE_SET): New
        constructions.

        * genattrtab.h (gen_final_presence_set, gen_final_absence_set):
        New function prototypes.

        * genattrtab.c (main): Process the new constructions.

        * genautomata.c (gen_presence_absence_set,
        process_presence_absence_names, process_presence_absence_patterns,
        add_presence_absence, check_absence_pattern_sets): Add parameter
        `final_p'.
        (unit_decl): Add new members `final_presence_list' and
        `final_absence_list'.
        (unit_pattern_rel_decl): Add new member `final_p'.
        (gen_final_presence_set, gen_final_absence_set): New functions.
        (process_decls): Use member `final_p'.
        (temp_reserv): New global variable.
        (reserv_sets_are_intersected): Add processing `final_presence_set'
        and `final_absence_set'.
        (initiate_states): Allocate `temp_reserv'.
        (unit_final_presence_set_table, unit_final_absence_set_table): New
        gloabal variables.
        (initiate_presence_absence_pattern_sets): Initiate them.
        (NDFA_to_DFA): Fix typo.
        (output_description): Output `final_presence_set' and
        `final_absence_set'.

        * doc/md.texi (final_presence_set, final_absence_set): Describe
        them.

        2002-09-20  Vladimir Makarov  <vmakarov@redhat.com>

        * genautomata.c (transform_3): Process a missing case (nothing on
        unit place).

        2002-09-20  Vladimir Makarov  <vmakarov@redhat.com>

        * rtl.def (DEFINE_QUERY_CPU_UNIT, AUTOMATA_OPTION): Change
        comments about queried units and the minimization.

        * doc/md.texi: Ditto.

        * genautomata.c (create_composed_state): Return nonzero if the new
        state has been created.
        (first_cycle_unit_presence): New function.
        (state_is_differed): Add new parameter.  Use the new function.
        Take queried units into account.
        (partition_equiv_class): Pass additional parameter to
        `state_is_differed'.
        (merge_states): Process composed states too.
        (build_automaton, create_automata, output_min_issue_delay_table,
        output_tables, output_statistics): Output more information.
        (output_reserved_units_table): Use function
        `first_cycle_unit_presence'.
        (output_tables): Output table of queried units even if the
        minimization is switched on.
        (write_automata): Output code for querying units even if the
        minimization is switched on.

        2002-09-19  Vladimir Makarov  <vmakarov@redhat.com>

        * rtl.def (PRESENCE_SET, ABSENCE_SET): Add comments about extended
        syntax of the constructions.

        * doc/md.texi (PRESENCE_SET, ABSENCE_SET): Add description of
        extended syntax of the constructions.

        * genautomata.c (unit_rel_decl): Rename it to
        `unit_pattern_rel_decl'.
        (pattern_set_el, pattern_reserv): New structures.
        (pattern_set_el_t, pattern_reserv_t): New types.
        (gen_presence_absence_set): New function.
        (process_presence_absence): Remove it.
        (process_presence_absence_names,
        process_presence_absence_patterns): New functions.
        (get_presence_absence_set): Remove it.
        (initiate_presence_absence_sets): Rename it on
        `initiate_presence_absence_pattern_sets'.  Use new function
        `form_reserv_sets_list'.
        (form_reserv_sets_list, check_presence_pattern_sets,
        check_absence_pattern_sets, output_pattern_set_el_list): New
        functions.
        (unit_decl): Change types of members `presence_list' and
        `absence_list'.
        (unit_rel_decl): Rename member `names_num' to `all_names_num'.
        (decl): Change types of members `excl', `presence', and `absence'.
        (get_str_vect): Rename `par_flag' to `paren_p'.  Add null element
        at the end of the vector.
        (gen_cpu_unit, gen_query_cpu_unit, gen_bypass, gen_excl_set,
        gen_automaton, gen_regexp_repeat, gen_regexp_allof,
        gen_regexp_oneof, gen_regexp_sequence): Use boolean values.
        (gen_presence_set, gen_absence_set): Use new function
        `gen_presence_absence_set'.
        (add_presence_absence): Process `pattern_list' instead of
        `source_list'.
        (process_decls): USe new functions
        `process_presence_absence_names' and
        `process_presence_absence_patterns'.
        (reserv_sets_are_intersected): Use new function
        `check_presence_pattern_sets'.
        (presence_set, absence_set): Remove them.
        (unit_presence_set_table, unit_absence_set_table): New global
        variables.
        (output_description): Use new function
        `output_pattern_set_el_list'.
        (generate): Use `initiate_presence_absence_pattern_sets'.

        2002-09-18  Vladimir Makarov  <vmakarov@redhat.com>

        * genattr.c (main): Add output of prototype of new interface
        function `dfa_clean_insn_cache'.

        * genautomata.c (output_dfa_clean_insn_cache_func): New function.
        (DFA_CLEAN_INSN_CACHE_FUNC_NAME): New macro.
        (output_dfa_start_func): Use function `dfa_clean_insn_cache' in
        the generated code.
        (write_automata): Call the new function.

2003-01-09  Jan Hubicka  <jh@suse.cz>

        * i386.md (unit, prefix_0f, memory attributes): Hanlde sseicvt
        correctly.

2003-01-09  Paolo Carlini  <pcarlini@unitus.it>

        * doc/tm.texi (EXTRA_ADDRESS_CONSTRAINT): Fix typo.

2003-01-09  J"orn Rennecke <joern.rennecke@superh.com>

        * defaults.h (EXTRA_MEMORY_CONSTRAINT): Add STR argument.
        (EXTRA_ADDRESS_CONSTRAINT): Likewise.
        (CONSTRAINT_LEN): Provide default definition.
        (CONST_OK_FOR_CONSTRAINT_P): Likewise.
        (CONST_DOUBLE_OK_FOR_CONSTRAINT_P): Likewise.
        (EXTRA_CONSTRAINT_STR): Likewise.
        (REG_CLASS_FROM_CONSTRAINT): Define.
        * genoutput.c (check_constraint_len, constraint_len): New functions.
        (validate_insn_alternatives): Check CONSTRAINT_LEN for each
        constraint / modifier.
        (gen_insn): Call check_constraint_len.
        * local-alloc.c (block_alloc): Update to use new macros / pass
        second argument to EXTRA_{MEMORY,ADDRESS}_CONSTRAINT.
        * ra-build.c (handle_asm_insn): Likewise.
        * recog.c (asm_operand_ok, preprocess_constraints): Likewise.
        (constrain_operands, peep2_find_free_register): Likewise.
        * regclass.c (record_operand_costs, record_reg_classes): Likewise.
        * regmove.c (find_matches): Likewise.
        * reload.c (push_secondary_reload, find_reloads): Likewise.
        (alternative_allows_memconst): Likewise.
        * reload1.c (maybe_fix_stack_asms): Likewise.
        (reload_cse_simplify_operands): Likewise.
        * stmt.c (parse_output_constraint, parse_input_constraint): Likewise.
        * doc/tm.texi (CONSTRAINT_LEN, REG_CLASS_FROM_CONSTRAINT): Document.
        (CONST_OK_FOR_CONSTRAINT_P): Likewise.
        (CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR): Likewise.
        (EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT): Add STR argument.
        * config/s390/s390.h (EXTRA_MEMORY_CONSTRAINT): Likewise.

        * sh.h (OVERRIDE_OPTIONS): Allow first scheduling pass for SH5.

2003-01-09  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*extzv_1_r_h8300): Correct the insn
        length.
        (*extzv_1_r_h8300hs): Likewise.
        (*extzv_1_r_inv_h8300): Likewise.
        (*extzv_1_r_inv_h8300hs): Likewise.

2003-01-09  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.h (PREDICATE_CODES): New.

2003-01-09  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*addsi3_upper): New.
        (*iorsi3_shift): Likewise.
        (two splitters): Likewise.
        (*addsi3_shift): Likewise.
        (two splitters): Likewise.

2003-01-09  Josef Zlomek  <zlomj9am@artax.karlin.mff.cuni.cz>

        * Makefile.in (optabs.o): Add dependency on basic-block.h.
        * basic-block.h (control_flow_insn_p): Fuction was exported.
        * cfgbuild.c (control_flow_insn_p): Fuction was made non-static.
        * optabs.c (emit_libcall_block): Emit REG_LIBCALL and REG_RETVAL
        notes only when the region is contained in a single basic block.

2003-01-09  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR inline-asm/8832
        * tree.h (expand_asm): New prototype.
        * stmt.c (expand_asm): Set the MEM_VOLATILE_P flag if instructed
        to do so.
        * c-semantics (genrtl_asm_stmt): Pass the RID_VOLATILE qualifier
        down to expand_asm.
        * c-typeck.c (simple_asm_stmt): Set the RID_VOLATILE qualifier.
        * rtlanal.c (volatile_insn_p) [ASM_INPUT]: Test the MEM_VOLATILE_P flag.
        (volatile_refs_p) [ASM_INPUT]: Likewise.
        (side_effects_p) [ASM_INPUT]: Likewise.

2003-01-09  Jan Hubicka  <jh@suse.cz>

        * i386.md (*mul*): FIx constraints; remove confused comment; fix
        athlon_decode attributes
        (imul/k8 optimization peep2s): New.

        * athlon.md (athlon_ssecmp*): Handle ssecomi as well.
        * i386.md (type attribute): Add ssecomi.
        (unit, memory, prefix attributes): Handle ssecomi.
        (cvt?2? patterns): Fix athlon_decode attribute
        (comi patterns): Set attribute to ssecomi.

        PR target/8343
        * m68k.md (umulsidi, mulsidi expanders): Use register operand.

2003-01-09  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (PREDICATE_CODES): Add ADDRESSOF for predicates
        that match register_operands.
        * config/mips/mips.c (reg_or_0_operand, true_reg_or_0_operand): Make
        register_operand the default case.

2003-01-09  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR c/8032
        * c-typeck.c (process_init_element) [RECORD_TYPE]: For
        an empty element, do not advance the pointer to unfilled
        fields if there are pending initializers.

2003-01-09  Christian Cornelssen  <ccorn@cs.tu-berlin.de>

        * Makefile.in (ORDINARY_FLAGS_TO_PASS): Also pass DESTDIR.
        (install-gcc-tooldir, install-cpp, installdirs,
        install-common, install-driver, install-info, install-man,
        install-headers, install-include-dir, install-headers-tar,
        install-headers-cpio, install-headers-cp, install-mkheaders,
        install-collect2, uninstall): Prepend $(DESTDIR) to
        destination paths in all (un)installation commands.
        (install-driver): Rewrite $(LN) commands to support DESTDIR
        with "ln" as well as with "ln -s".
        (installdirs): Simply use mkinstalldirs.
        (install-libgcc, install-multilib): Also pass DESTDIR.
        * mklibgcc.in: Prepend $(DESTDIR) to $(libsubdir) in the
        installation destination variable ldir.
        * config/alpha/t-osf4, config/arm/t-netbsd,
        config/ia64/t-hpux, config/mips/t-iris5-6,
        config/pa/t-hpux-shlib, config/rs6000/t-aix43,
        config/rs6000/t-aix52, config/t-slibgcc-elf-ver,
        config/t-slibgcc-sld: Prepend $$(DESTDIR) to $$(slibdir)
        in the definition of SHLIB_INSTALL.
        * config/arc/t-arc (install-multilib-arc): Prepend $(DESTDIR) to
        $(libsubdir) in the installation commands.

2003-01-08  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.h (CASE_VECTOR_MODE): Use SImode for a
        non-optimizing compile.
        (ASM_OUTPUT_ADDR_VEC_ELT): Use .long for a non-optimizing
        compile.

2003-01-08  Douglas B Rupp  <rupp@gnat.com>

        * config/i386/i386.c (ix86_attribute_table): Add new attributes
        ms_struct and gcc_struct.
        (ix86_handle_struct_attribute): New function.
        (ix86_ms_bitfield_layout_p): Update to take new attributes
        into account.
        * doc/extend.texi: Document new attributes.
        * testsuite/gcc.dg/bf-ms-attrib.c: New test.

2003-01-08  Danny Smith  <dannysmith@users.sourceforge.net>

        PR optimization/8750
        * config/i386/i386.c (ix86_expand_prologue): Don't allow
        scheduling pass to move insns across __alloca call.

2003-01-08  Dale Johannesen  <dalej@apple.com>

        * config/rs6000/rs6000.md:  Replace *store_multiple_string
        with *stmsi[3-8].

2003-01-08  Jeff Sturm  <jsturm@one-point.com>

        PR target/9210
        * config/rs6000/rs6000.c (rs6000_elf_encode_section_info):
        Set SYMBOL_REF_FLAG on local data sym_ref.

2003-01-08  Dale Johannesen  <dalej@apple.com>

        * function.c (assign_parms):  Don't set pretend_args_size if
          REG_PARM_STACK_SPACE.
          config/rs6000/rs6000.c (setup_incoming_varargs):  Don't set
          pretend_args_size.

2003-01-08  Nathanael Nerode  <neroden@gcc.gnu.org>

        * gcc.hlp: Delete.

2003-01-09  Jan Hubicka  <jh@suse.cz>

        * i386.c  (ix86_expand_int_addcc): Fix thinko.

2003-01-08  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.h (FUNCTION_MODE): Always use SImode.
        * config/rs6000/rs6000.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Redefine
        as hook_bool_tree_hwi_hwi_tree_true.
        (rs6000_emit_allocate_stack): Use TARGET_32BIT.
        (rs6000_emit_epilogue): Same.
        (rs6000_output_mi_thunk): Re-implement as RTL.
        * config/rs6000/xcoff.h (ASM_DECLARE_FUNCTION_NAME): Call
        xcoffout_declare_function if any debugging enabled.

2003-01-08  Chris Demetriou  <cgd@broadcom.com>

        * config.gcc (mipsisa32r2-*-elf*, mipsisa32r2el-*-elf*): New
        targets, to support MIPS32 Release 2 (MIPS32R2) configurations.
        * config/mips/mips.h (enum processor_type): Rename
        PROCESSOR_R4KC to PROCESSOR_4KC, PROCESSOR_R5KC to
        PROCESSOR_5KC, and PROCESSOR_R20KC to PROCESSOR_20KC.
        Add PROCESSOR_M4K.
        (TARGET_MIPS4KC, TARGET_MIPS5KC): Update for the renaming.
        (ISA_MIPS32R2): New define.
        (GENERATE_MULT3_SI, ISA_HAS_CONDMOVE, ISA_HAS_8CC)
        (ISA_HAS_MADD_MSUB, ISA_HAS_CLZ_CLO)
        (ISA_HAS_PREFETCH): Add support for MIPS32R2.
        (MIPS_ISA_DEFAULT): Likewise.  Also, fix indentation.
        (TARGET_CPU_CPP_BUILTINS): Add support for MIPS32R2.  Add new
        predefine __mips_isa_rev for MIPS32, MIPS32R2, and MIPS64.
        (ISA_HAS_ROTR_SI): Add support for MIPS32R2, and avoid if
        compiling MIPS16 code.
        (ISA_HAS_ROTR_DI): Do not use if compiling MIPS16 code, and fix
        comment.
        (ISA_HAS_SEB_SEH): New define.
        (ASM_SPEC, LINK_SPEC): Pass -mips32r2 to assembler and linker.
        * config/mips/mips.c (mips_cpu_info_table): Adjust for enum
        processor_type value renaming.  Add support for MIPS32R2.
        Clean up comments, and move "sb1" entry with other MIPS64 CPU
        entries.
        (override_options): Reimplement -mipsN option handling so that
        it will work correctly for -mips32r2.  Avoid branch-likely
        instructions on MIPS32R2.
        * config/mips/mips.md (mulsi3_mult3): Add support for MIPS32R2.
        (extendhisi2): Use extendhisi2_hw if ISA_HAS_SEB_SEH.
        (extendqisi2): Use extendqisi2_hw if ISA_HAS_SEB_SEH.
        (extendhisi2_hw, extendqisi2_hw): New.
        * config/mips/netbsd.h (TARGET_CPU_CPP_BUILTINS): Add support
        for MIPS32R2.  Add new predefine __mips_isa_rev for MIPS32,
        MIPS32R2, and MIPS64.
        (LINK_SPEC): Pass -mips32r2 to linker.
        * config/mips/t-isa3264: Built -mips32r2 multilibs.
        * doc/invoke.texi (MIPS Options): Add -mips32r2, add support
        for mips32r2 in the -march description.  Alphabetically sort
        CPU names in the -march description.  Add long-missed -mips32
        and -mips64 to MIPS option summary.

        * config.gcc: Update copyright years to include 2003.
        * config/mips/mips.c: Likewise.
        * config/mips/mips.h: Likewise.
        * config/mips/mips.md: Likewise.
        * config/mips/netbsd.h: Likewise.
        * doc/invoke.texi: Likewise.

2003-01-08  Andreas Schwab  <schwab@suse.de>

        * aclocal.m4 (gcc_AC_INITFINI_ARRAY): Fix spelling of cache
        variable.
        * configure: Regenerated.

2003-01-08  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (output_logical_op): Replace byte/word
        extraction of det with b0, b1, w0, w2, etc.
        (compute_logical_op_length): Likewise.
        (compute_logical_op_cc): Likewise.

2003-01-08  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.h (CONSTANT_ADDRESS_P): Allow CONST and
        HIGH on all variants.

2003-01-08  Josef Zlomek <zlomj9am@artax.karlin.mff.cuni.cz>

        * Makefile.in (PARTITION_H): New.
        (BASIC_BLOCK_H): Added hard-reg-set.h and $(PARTITION_H).
        * basic-block.h: Include hard-reg-set.h.

2003-01-08  Richard Earnshaw  <rearnsha@arm.com>

        * arm.h (ENABLE_XF_PATTERNS): Delete.
        * arm.md (addxf3, subxf3, mulxf3, divxf3, modxf3, negxf2, absxf2)
        (sqrtxf2, floatsixf2, fix_truncxfsi2, truncxfsf2, truncxfdf2)
        (extendsfxf2, extenddfxf2, movxf, cmpxf, cmpxf_insn)
        (cmpxf_trap): Delete.
        (movxf_hard_insn): Remove test of ENABLE_XF_PATTERNS.

2003-01-08  Jan Hubicka  <jh@suse.cz>

        * i386.md (adddi3_carry_rex64, subdi3_carry_rex64): Name pattern.
        (addhi3_carry, addqi3_carry, subhi3_carry, subqi3_carry): New patterns.
        (add??cc): New expanders.
        * i386.c (expand_int_addcc): New function.
        * i386-protos.h (expand_int_addcc): Declare.

        * alias.c (memory_modified_1): New static function.
        (memory_modified): New static varaible.
        (memory_modified_in_insn_p): New global function.
        * rtl.h (memory_modified_in_insn_p): Declare.
        * rtlanal.c (modified_between_p, modified_in_p): Be smart about memory
        references.

        * expr.h (emit_conditional_add): Declare.

2003-01-07  Janis Johnson  <janis187@us.ibm.com>

        PR other/8947
        * doc/invoke.texi (-malign-double): Explain that the option breaks
        binary compatibility.

2003-01-08  Andreas Schwab  <schwab@suse.de>

        * config.gcc (m68k-*-linux*): Don't set extra_parts and gnu_ld,
        should come from the generic *-*-linux* entry.

2003-01-07  Jan Hubicka  <jh@suse.cz>

        * cselib.c (cselib_current_insn_in_libcall): New static variable.
        (new_elt_loc_list, cselib_process_insn, cselib_init): Keep track on whether
        we are inside libcall.
        * cselib.h (elt_loc_list): Add in_libcall.
        * gcse.c (do_local_cprop): Do not copy propagate using insns
        in libcalls.

2003-01-07  David Edelsohn  <edelsohn@gnu.org>

        * doc/tm.texi (TARGET_SCHED_VARIABLE_ISSUE): CLOBBER and USE do
        not normally affect to issue rate.

2003-01-07  Jan Hubicka  <jh@suse.cz>

        * genopinit.c (optabs): Add addc_optab.
        * ifcvt.c (noce_try_store_flag): Rename to ...
        (noce_try_addcc): ... this one; handle generic conditional increment.
        (noce_process_if_block): Update noce_try_addcc call.
        * optabs.c (emit_conditional_add): New.
        (init_obtabs): Initialize addc_optab.
        * optabs.h (optab_index): Add OTI_addcc.
        (addcc_optab): New macro.
        * md.texi: Document addMcc

        PR target/8322
        * i386.c (ix86_init_mmx_sse_builtins): Constify arguments of loads.
        * xmmintrin.h (_mm_load*_si128. _mm_store*_si128): Add casts.
        * xmmintrin.h (_mm_load*_si128. _mm_store*_si128): Add casts.

        * reload1.c (delete_output_reload): Avoid repeated attempts
        to delete insn.

2003-01-07  Andreas Schwab  <schwab@suse.de>

        * configure.in: Restore CFLAGS before gcc_AC_INITFINI_ARRAY.
        Move --enable-initfini-array check ...
        * aclocal.m4 (gcc_AC_INITFINI_ARRAY): ... here.  Define
        HAVE_INITFINI_ARRAY also when --enable-initfini-array is given.
        Don't AC_SUBST gcc_cv_initfinit_array.  Use AC_TRY_RUN.
        * configure: Rebuild.

2003-01-07  Richard Henderson  <rth@redhat.com>

        * alias.c (find_base_value): Only use new_reg_base_value shortcut
        if the register is set once.

2003-01-07  Sylvain Pion <Sylvain.Pion@mpi-sb.mpg.de>

        * config/i386/i386.c (ix86_init_mmx_sse_builtins):
        __builtin_ia32_ldmxcsr and __builtin_ia32_stmxcsr are SSE, not MXX.
        * config/i386/i386.md (ldmxcsr, stmxcsr): SSE, not MMX.

2003-01-07  Benjamin Kosnik  <bkoz@redhat.com>
            Sunil Davasam  <sunil.k.davasam@intel.com>

        PR libstdc++/9076
        * unwind-dw2.c (execute_cfa_program): DW_CFA_undefined,
        DW_CFA_same_value, read next and ignore.

2003-01-07  Richard Henderson  <rth@redhat.com>

        * cfganal.c (flow_call_edges_add): Don't crash on noreturn call.

2003-01-07  Daniel Berlin  <dberlin@dberlin.org>

        * cfg.c: Include alloc-pool.h
        (edge_pool): New pool.
        (bb_pool): New pool.
        (first_deleted_edge): Remove.
        (first_deleted_block): Remove.
        (init_flow): Alloc/free the pools.
        (free_edge): Use pools.
        (alloc_block): Ditto.
        (expunge_block): Ditto.
        (cached_make_edge): Ditto.

        * Makefile.in (cfg.o): Add alloc-pool.h dependency.

2003-01-07  Daniel Berlin  <dberlin@dberlin.org>

        * et-forest.c: Include alloc-pool.h.
        (struct et_forest): Add node_pool and occur_pool.
        (et_forest_create): Create the new pools.
        (et_forest_delete): Delete them.
        (et_forest_add_node): Allocate and free using pools.
        (et_forest_add_edge): Ditto.
        (et_forest_remove_node): Ditto.
        (et_forest_remove_edge): Ditto.

        * Makefile.in (et-forest.o): Add alloc-pool.h dependency.

2003-01-07  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (output_logical_op): Simplify and
        optimize the handling of SImode.
        * config/h8300/h8300.c (compute_logical_op_length): Update
        accordingly.
        * config/h8300/h8300.c (compute_logical_op_cc): Likewise.

2003-01-07  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_va_arg): In the EABI code, apply the
        big-endian correction to indirect arguments too.

2003-01-06  Aldy Hernandez  <aldyh@redhat.com>

        Segher Boessenkool  <segher@koffie.nl>

        * config/rs6000/rs6000.c (rs6000_reg_names): Add missing registers.
        (alt_reg_names): Ditto, fix formatting.
        * config/rs6000/rs6000.h (DEBUG_REGISTER_NAMES): Fix formatting.

2003-01-06  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (final_prescan_insn): Constify uid.
        (output_logical_op): Constify intval and det.
        (compute_logical_length): Likewise.
        (compute_logical_cc): Likewise.
        (output_a_shift): Constify mask.
        (h8300_encode_label): Constify len.

2003-01-06  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (h8300_expand_prologue): Remove fsize.
        (h8300_expand_epilogue): Likewise.

2003-01-06  Aldy Hernandez  <aldyh@redhat.com>

        Segher Boessenkool  <segher@koffie.nl>

        * config/rs6000/altivec.md: Remove spaces from assembler
        instruction argument lists.

2003-01-07  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.c (c4x_naked_function_p): Rename from
        c4x_assembler_function_p.
        (c4x_null_epilogue_p): Complement return value, all uses updated.
        (c4x_insert_attributes): Add naked.
        * config/c4x/c4x.md (c4x_null_epilogue_p): Changes uses.
        * doc/extend.texi: Update C4x function attributes.

2003-01-06  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_encode_section_info): Adjust symbol_str
        properly when changing "local-ness".
        * config/alpha/alpha.md (movdi_er_high_g): Allow all symbols.

2003-01-06  Dale Johannesen  <dalej@apple.com>

        * config/darwin-protos.h:  Add prototypes for new section functions.

2003-01-06  Chris Demetriou  <cgd@broadcom.com>

        * config.gcc (mipsisa32-*-elf*, mipsisa32el-*-elf*): Default ABI
        to EABI.

2003-01-06  Zack Weinberg  <zack@codesourcery.com>

        * hwint.h: If the current compiler has no 64-bit type at all,
        make HOST_WIDEST_INT 32 bits.

2003-01-06  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.md (movdf_internal2): Fix constraints.

2003-01-06  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*twoshifts_l16_r1): New.

2003-01-06  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (leadi): Use dla rather than la.

2003-01-06  Svein E. Seldal  <Svein.Seldal@solidas.com>

        * config/c4x/c4x.h: Updated specs for new gas format.  Fixed bug
        in C33_FLAG.  Added proper C33 support in ASM_FILE_START macro.

2003-01-06 Herman A.J. ten Brugge  <hermantenbrugge@home.nl>

        * config/c4x/c4x.h: Remove hwint.h include and HOST_WIDE_INT_PRINT_HEX
        redefinition.

2003-01-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*extzv_8_23): New.

2003-01-05  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa64-hpux.h (JCR_SECTION_NAME): Define.
        (PA_INIT_FRAME_DUMMY_ASM_OP): Check EH_FRAME_SECTION_NAME instead of
        USE_EH_FRAME_REGISTRY when defining.

2003-01-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (output_a_shift): Do not output a
        variable shift.
        * config/h8300/h8300.md (two splitters): New.

2003-01-05  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md: Disable the movstrsi define_split.

2003-01-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * alloc-pool.c: Don't include "libiberty.h".
        * config/sparc/gmon-sol2.c: Include <fcntl.h>.
        * convert.c (convert_to_real): Hide unused variable.

2003-01-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * Makefile.in (gtyp-gen.h): Const-ify.
        * gcov-dump.c (tag_table): Likewise.

2003-01-04  Bruce Korb  <bkorb@gnu.org>

        * fixinc/fixfixes.c(wrap_fix): the wrapper guard must be a function
        of *both* the file name and the fix name.

2003-01-04  John David Anglin  <dave.anglin@nrc.ca>

        * config.gcc (hppa*64*-*-hpux11*): Define extra_parts.  Don't use
        collect2.
        * pa-hpux11.h (LDD_SUFFIX, PARSE_LDD_OUTPUT): Undefine.
        (HAS_INIT_SECTION, LD_INIT_SWITCH, LD_FINI_SWITCH): Define.
        * pa64-hpux.h (HP_INIT_ARRAY_SECTION_ASM_OP,
        GNU_INIT_ARRAY_SECTION_ASM_OP, HP_FINI_ARRAY_SECTION_ASM_OP,
        GNU_FINI_ARRAY_SECTION_ASM_OP): Define.
        (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Define when not using
        elfos.h.
        (EH_FRAME_IN_DATA_SECTION): Delete define.
        (HAS_INIT_SECTION, LD_INIT_SWITCH, LD_FINI_SWITCH): Undefine.
        (STARTFILE_SPEC): Use crtbegin.o.
        (ENDFILE_SPEC): Use crtend.o.
        (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION,
        SUPPORTS_INIT_PRIORITY, PA_CXA_FINALIZE_STUB, PA_INIT_FINI_HACK,
        PA_INIT_FRAME_DUMMY_ASM_OP, PA_JV_REGISTERCLASSES_STUB,
        DTOR_LIST_BEGIN): Define.
        * pa.c (TARGET_ASM_CONSTRUCTOR): Define.
        (pa_asm_out_constructor, pa_asm_out_destructor): New functions.
        * som.h (SUPPORTS_INIT_PRIORITY): Delete define.

2002-12-31  Larin Hennessy  <larin@science.oregonstate.edu>

        * fixinc/fixinc.svr4: Remove references to i860, Sony NewsOS, and spur.
        * fixinc/inclhack.def: Remove tests for Apple A/UX, ARM/RISCiX, DG/UX,
        m88k-*-sysv3*, Sony NewsOS.   Remove references to i860.
        Cleanup handling of replacement text.
        * fixinc/mkfixinc.sh: Remove reference to i?86-*-osf1*

2003-01-04  Bruce Korb  <bkorb@gnu.org>

        * fixinc/tests/base/math.h: removed obsolete results
        * fixinc/tests/base/stdlib.h: ditto
        * fixinc/tests/base/sys/param.h: ditto
        * fixinc/tests/base/sys/stat.h: ditto
        * fixinc/tests/base/time.h: ditto
        * fixinc/tests/base/X11/Intrinsic.h: removed obsolete file
        * fixinc/tests/base/sys/byteorder.h: ditto
        * fixinc/inclhack.def: Remove superfluous backslashes

2003-01-04  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Add prototypes for
        the new functions defined below.
        * config/h8300/h8300.c (TARGET_ASM_FUNCTION_PROLOGUE): Do not
        define.
        (dosize): Emit RTL instead of assembly code.
        (push): Likewise.
        (pop): Likewise.
        (h8300_output_function_prologue): Remove.
        (h8300_expand_prologue): New.
        (h8300_expand_epilogue): New.
        (h8300_output_function_epilogue): Do only the reset of
        pragma_saveall.
        * config/h8300/h8300.md (push_h8300): New.
        (push_h8300hs): Likewise.
        (pop_h8300): Likewise.
        (pop_h8300hs): Likewise.
        (*stm_h8300s_2): Change the name to stm_h8300s_2.
        (*stm_h8300s_3): Change the name to stm_h8300s_3.
        (*stm_h8300s_4): Change the name to stm_h8300s_4.
        (*ldm_h8300s_2): New.
        (*ldm_h8300s_3): Likewise.
        (*ldm_h8300s_4): Likewise.
        (return): Likewise.
        (*return_1): Likewise.
        (prologue): Likewise.
        (epilogue): Likewise.
        (monitor_prologue): Likewise.

2003-01-03  Dale Johannesen  <dalej@apple.com>

        * config/darwin.h:  (EXTRA_SECTIONS):  Add machopic_symbol_stub1,
          machopic_picsymbol_stub1.
          (EXTRA_SECTION_FUNCTIONS):  Ditto.
        * rs6000/rs6000.c:  Update copyright.
          (machopic_output_stub):  Use them.  Remove an insn from stub code.

2003-01-02  Jason Merrill  <jason@redhat.com>

        * fold-const.c (fold) [COND_EXPR]: Avoid NOP_EXPRs better.

        * integrate.c (copy_decl_for_inlining): Don't clear the rtl for
        static/external decls.

        * c-common.c (finish_fname_decls): Put the DECL_STMTs inside the
        outermost scope.
        * c-decl.c (c_make_fname_decl): Push the decls there, too.

2003-01-03  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Add a prototype for
        h8300_current_function_interrupt_function_p.
        * config/h8300/h8300.c (interrupt_handler): Remove.
        (os_task): Likewise.
        (monitor): Likewise.
        (pragma_interrupt): New.
        (WORD_REG_USED): Use
        h8300_current_function_interrupt_function_p.
        (dosize): Likewise.
        (h8300_output_function_prologue): Likewise.
        Do not set interrupt_handler, os_task, monitor.
        (h8300_output_function_prologue): Use
        h8300_current_function_interrupt_function_p.
        Do not set interrupt_handler, os_task, monitor.
        (h8300_current_function_interrupt_function_p): New.
        (h8300_pr_interrupt): Set pragma_interrupt.
        (h8300_insert_attributes): Reset pragma_interrupt.

2003-01-03  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/install.texi (Configuration): Fix markup for reference to
        gcc/config.gcc.

2003-01-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*iorhi3_zext): Relax the condition.
        (*iorhi3_two_qi): Likewise.
        (*iorsi3_zexthi): Likewise.
        (*xorhi3_zextqi): Likewise.
        (*xorsi3_zexthi): Likewise.
        (*xorsi3_zextqi): Likewise.

2003-01-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (stack_pointer_operand): New.
        (const_int_gt_2_operand): Likewise.
        (const_int_ge_8_operand): Likewise.
        * config/h8300/h8300.md (a splitter): Likewise.
        (a peephole2): Likewise.
        * config/h8300/h8300-protos.h: Add prototypes for the new
        functions above.

2003-01-02  Steven Bosscher <s.bosscher@student.tudelft.nl>

        * objc/Make-lang.in, objc/config-lang.in, objc/lang-specs.h,
        objc/objc-act.h: Fix copyright years.

2003-01-02  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * doc/passes.texi: Fix documentation for -fssa-ccp

2003-01-02  Neil Booth  <neil@daikokuya.co.uk>

        * gccbug.in: Update for new categories.

2003-01-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Reorder some patterns.

2003-01-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (output_logical_op): Fix a warning.

2003-01-01  Neil Booth  <neil@daikokuya.co.uk>

        * config/darwin-protos.h, config/c4x/c4x-protos.h,
        config/cris/cris-protos.h, config/i370/i370-protos.h,
        config/i960/i960-protos.h, config/ia64/ia64-protos.h,
        config/v850/v850-protos.h: Use struct, and don't conditionally
        compile on GCC_C_PRAGMA_H.

2003-01-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arm/arm-protos.h: Remove #ifdef GCC_C_PRAGMA_H.
        * config/h8300/h8300-protos.h: Likewise.
        * config/sh/sh-protos.h: Likewise.

2003-01-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arm/arm-protos.h: Use struct cpp_reader instead of
        cpp_reader.
        * config/h8300/h8300-protos.h: Likewise.
        * config/sh/sh-protos.h: Likewise.

2003-01-01  Neil Booth  <neil@daikokuya.co.uk>

        * config/arm/arm.c (arm_pr_long_calls, arm_pr_no_long_calls,
        arm_pr_long_calls_off): Use struct.
        * config/h8300/h8300.c (h8300_pr-interrupt, h8300_pr_saveall)
        : Similarly.
        Don't include cpplib.h.
        * config/sh/sh.c (sh_pr_interrupt, sh_pr_trapa,
        sh_pr_nosave_low_regs): Similarly.

2003-01-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c: Include cpplib.h.

2003-01-01  Steven Bosscher  <s.bosscher@student.tudelft.nl>

        * objc/Make-lang.in, objc/config-lang.in, objc/lang-options.h,
          objc/lang-specs.h, objc/objc-act.c, objc/objc-act.h,
          objc/objc-lang.c, objc/objc-tree.def: Replace "GNU CC" with
          "GCC" in the copyright header.

2003-01-01  Neil Booth  <neil@daikokuya.co.uk>

        * c-pragma.c (c_register_pragma): New.
        (init_pragma): Use it.
        * c-pragma.h (cpp_register_pragma): Don't declare.
        (c_register_pragma): New.
        * cpplib.h: Remove #ifdef GCC_C_PRAGMA_H.
        * config/darwin.h (REGISTER_TARGET_PRAGMAS): Update.
        * config/arm/arm.h (REGISTER_TARGET_PRAGMAS): Update.
        * config/c4x/c4x.h (REGISTER_TARGET_PRAGMAS): Update.
        * config/h8300/h8300.h (REGISTER_TARGET_PRAGMAS): Update.
        * config/i370/i370.h (REGISTER_TARGET_PRAGMAS): Update.
        * config/i960/i960.h (REGISTER_TARGET_PRAGMAS): Update.
        * config/ia64/hpux.h (REGISTER_TARGET_PRAGMAS): Update.
        * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Update.
        * config/sh/sh.h (REGISTER_TARGET_PRAGMAS): Update.
        * config/v850/v850.h (REGISTER_TARGET_PRAGMAS): Update.
        * doc/tm.texi (REGISTER_TARGET_PRAGMAS): Update

See ChangeLog.8 for earlier changes.