2003-01-26 Steven Bosscher <s.bosscher@student.tudelft.nl>

[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog

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.

Sat Jan 25 22:31:59 CET 2003  Jan Hubicka  <jh@suse.cz>

        * gcse.c (local_cprop_pass): Update reg_sets table when needed.

Sat Jan 25 21:04:33 CET 2003  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.

2002-01-25  Richard Henderson  <rth@redhat.com>

        * config/m68k/m68k-none.h (ASM_SPEC): Adjust inter-option spacing.

2002-01-25  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.

2002-01-25  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.

2002-01-25  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.

2002-01-25  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.

Sat Jan 25 16:11:22 CET 2003  Jan Hubicka  <jh@suse.cz>

        * df.c (read_modify_subreg_p):  When osize == UNITS_PER_WORD,
        subreg is read/modify.

Sat Jan 25 15:55:08 CET 2003  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

Sat Jan 25 12:05:17 CET 2003  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).

Sat Jan 25 11:10:03 CET 2003  Jan Hubicka  <jh@suse.cz>

        * builtins.c (fold_trunc_transparent_mathfn):  Undo accidental commit.

2002-01-24  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.

Fri Jan 24 23:44:12 CET 2003  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.

Fri Jan 24 23:03:32 CET 2003  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.

Mon Jan 20 14:36:23 CET 2003  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.

Thu Jan 16 21:50:25 2003  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.

Wed Jan 15 12:23:21 CET 2003  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.

Tue Jan 14 00:45:33 CET 2003  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.

Sat Jan 11 11:02:58 CET 2003  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.

Fri Jan 10 22:05:35 CET 2003  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.

Thu Jan  9 22:47:38 CET 2003  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.

Thu Jan  9 17:26:40 2003  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.

Thu Jan  9 12:00:36 CET 2003  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.

Thu Jan  9 00:57:15 CET 2003  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.

Wed Jan  8 14:06:34 CET 2003  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.

Wed Jan  8 12:10:57 CET 2003  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.

Tue Jan  7 22:29:56 CET 2003  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.

Tue Jan  7 21:46:57 CET 2003  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

2002-12-31  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Update the prototypes.
        * config/h8300/h8300.c (const_le_2_operand): Change to
        const_int_le_2_operand.
        (const_int_le_6_operand): Change to const_int_le_6_operand.
        * config/h8300/h8300.md (two peepholes): Update the function
        names.

2002-12-31  Tom Tromey  <tromey@redhat.com>

        * doc/install.texi (Testing): Fixed typo.

2002-12-31  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.h (TRAMPOLINE_TEMPLATE): Remove.
        (TRAMPOLINE_SIZE): Support the normal mode.
        (INITIALIZE_TRAMPOLINE): Emit the entire trampoline.

2002-12-31  Mark Mitchell  <mark@codesourcery.com>

        * c-common.h (pending_lang_change): Declare.

2002-12-31  Jerry Quinn  <jlquinn@optonline.net>

        * gcc/doc/invoke.texi (Optimization Options): Clean up -O flag
        descriptions.

2002-12-31  Jerry Quinn  <jlquinn@optonline.net>

        * gcc/doc/invoke.texi (Optimization Options): List the options
        enabled by each -O flag.

2002-12-31  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/install.texi (Configuration): Explicitly refer
        gcc/config.gcc for a list of cpu models.

2002-12-31  Kazu Hirata  <kazu@cs.umass.edu>

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

2002-12-30  David Edelsohn  <edelsohn@gnu.org>

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

2002-12-30  Tom Tromey  <tromey@redhat.com>

        * doc/install.texi (Testing): Mention Jacks.

2002-12-30  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/gcc.texi, doc/gccint.texi: Update last modification dates.

2002-12-30  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (output_logical_op): Use extu.w in more
        cases.
        (compute_logical_op_length): Update to reflect the change in
        output_logical_op.
        (compute_logical_op_cc): Likewise.

2002-12-30  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/service.texi: Uncomment and update FAQ link.

2002-12-30  Andreas Jaeger  <aj@suse.de>

        * unwind-dw2-fde.h (last_fde): Add unused attribute for obj.

2002-12-30  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*addsi3_lshiftrt_16_zexthi): New.

2002-12-30  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (output_logical_op): Use extu.w if we
        are clearing the most significant byte.
        (compute_logical_op_length): Update to reflect the change in
        output_logical_op.
        (compute_logical_op_cc): Likewise.

2002-12-29  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Give internal names to anonymous
        insns.

2002-12-29  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Reorder some insns.

2002-12-29  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Add prototypes for
        const_int_qi_operand and const_int_hi_operand.
        * config/h8300/h8300.c (const_int_qi_operand): New.
        (const_int_hi_operand): Likewise.
        * config/h8300/h8300.md (three peepholes): New.

2002-12-28  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/cpp.texi, doc/gcc.texi, doc/gccint.texi, doc/install.texi:
        Use @copying.

2002-12-28  Joseph S. Myers  <jsm@polyomino.org.uk>

        * configure.in: Increase makeinfo version requirement to 4.[2-9].
        * configure: Regenerate.
        * doc/install.texi: Update Texinfo version requirement.

2002-12-28  Andreas Jaeger  <aj@suse.de>

        * config/i386/i386.c (x86_function_profiler): Mark labelno as
        possibly unused.

        * c-parse.in (yyprint): Use HOST_WIDE_INT_PRINT_DOUBLE_HEX for
        correct format.

2002-12-27  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*iorhi_shift_8): Change the name to
        *iorhi_ashift_8.
        (*iorhi_lshiftrt_8): New.

2002-12-27  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/include/texinfo.tex: Update to version 2002-12-26.16.

2002-12-27  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/contrib.texi (Contributors): Add Abramo and Roberto Bagnara.

2002-12-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Fix comment typos.
        Update copyright.
        * config/h8300/h8300.c: Fix comment typos.

2002-12-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.h (IDENT_ASM_OP): End with a tab.

2002-12-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/i386/athlon.md: Fix comment typos.
        * config/i386/crtdll.h: Likewise.
        * config/i386/djgpp.h: Likewise.
        * config/i386/i386-interix.h: Likewise.
        * config/i386/i386.c: Likewise.
        * config/i386/i386.h: Likewise.
        * config/i386/i386.md: Likewise.
        * config/i386/k6.md: Likewise.
        * config/i386/mingw32.h: Likewise.
        * config/i386/pentium.md: Likewise.
        * config/i386/sco5.h: Likewise.
        * config/i386/winnt.c: Likewise.
        * config/i386/xmmintrin.h: Likewise.

2002-12-26  Jose Renau <renau@cs.uiuc.edu>

        * ssa-dce.c (EXECUTE_IF_UNNECESSARY): Verify INSN is an
        INSN_P before checking to see if it is dead.
        (mark_all_insn_unnecessary): Similarly.
        (ssa_eliminate_dead_code): Similarly.
        * rtl.h (struct rtx_def): Update comments for in_struct usage
        in dead code elimination pass.
        (INSN_DEAD_CODE_P): Allow JUMP_INSN and CALL_INSN as well.

2002-12-26  Andreas Schwab  <schwab@suse.de>

        * config.gcc (powerpc*-*-*, rs6000-*-*): Fix assignment syntax.

2002-12-25  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_override_options): Convert to
        tartet_flags_explicit.
        * config/rs6000/rs6000.h (MASK_MULTIPLE_SET, MASK_STRING_SET): Delete.
        Compact target_flags bits.
        (TARGET_MULTIPLE_SET, TARGET_STRING_SET): Delete.
        (TARGET_SWITCHES): Delete references to *_SET flags.

Wed Dec 25 20:30:53 CET 2002  Jan Hubicka  <jh@suse.cz>

        * i386.md (memory attribute): Fix setcc attribute.

2002-12-25  Kazu Hirata  <kazu@cs.umass.edu>

        * output.h: Fix comment typos.
        * predict.c: Likewise.
        * print-tree.c: Likewise.
        * profile.c: Likewise.
        * ra-build.c: Likewise.
        * ra-colorize.c: Likewise.
        * ra-debug.c: Likewise.
        * ra-rewrite.c: Likewise.
        * ra.c: Likewise.
        * ra.h: Likewise.
        * real.c: Likewise.
        * recog.c: Likewise.
        * reg-stack.c: Likewise.
        * regclass.c: Likewise.

2002-12-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (print_operand_address): Do not negate
        a negative number when printing one.

2002-12-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Add prototypes for
        output_plussi, compute_plussi_length, and compute_plussi_cc.
        * config/h8300/h8300.c (output_plussi): New.
        (compute_plussi_length): Likewise.
        (compute_plussi_cc): Likewise.
        * config/h8300/h8300.md (addsi_h8300h): Call
        output_plussi, compute_plussi_length, and compute_plussi_cc.

2002-12-24  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (two peepholes): Use match_dup instead
        of match_operand in the new patterns.

2002-12-24  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/include/texinfo.tex: Update to version 2002-11-25.11.

2002-12-24  Nathan Sidwell  <nathan@codesourcery.com>

        * configure.in (enable-coverage): Add SELF_COVERAGE.
        * profile.c (end_branch_prob): Use SELF_COVERAGE.

2002-12-24  Jim Wilson  <wilson@redhat.com>

        * alias.c (record_set): Handle multi-reg hard registers.

2002-12-24  Kazu Hirata  <kazu@cs.umass.edu>

        * regmove.c: Fix comment typos.
        * reload.c: Likewise.
        *&nb