* builtins.c (fold_builtin): Fix error in last change.

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

2004-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (fold_builtin): Fix error in last change.

2004-03-25  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h: Formatting fix.

2004-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.def: Add ctype builtins.
        * doc/extend.texi: Likewise.

2004-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (fold_builtin): Add new builtin optimizations for
        sqrt and/or cbrt.
        * fold-const.c (fold): Likewise.

2004-03-25  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_always_hint): New variable.
        (rs6000_sched_groups): New variable.
        (processor_target_table): Add power5.
        (rs6000_override_options): Set rs6000_sched_insert_nops,
        rs6000_sched_costly_dep and rs6000_sched_restricted_insns_priority
        from rs6000_sched_groups.
        (output_cbranch): Use rs6000_always_hint.
        (rs6000_variable_issue): Use rs6000_sched_groups.
        (rs6000_adjust_cost): Add CPU_POWER5.
        (is_microcoded_insn): Use rs6000_sched_groups.
        (is_dispatch_slot_restricted): Use rs6000_sched_groups.
        Return 2 for POWER5 cracked instructions.
        (is_cracked_insn): Use rs6000_sched_groups.
        (is_branch_slot_insn): Use rs6000_sched_groups.
        (rs6000_issue_rate): Add CPU_POWER5.
        (rs6000_sched_finish): Use rs6000_sched_groups.
        (rs6000_rtx_costs): Add PROCESSOR_POWER5.
        * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER5.
        (DEFAULT_SCHED_COSTLY_DEP): Delete.
        (DEFAULT_RESTRICTED_INSNS_PRIORITY): Delete.
        (DEFAULT_SCHED_FINISH_NOP_INSERTION_SCHEME): Delete.
        * config/rs6000/rs6000.md (define_attr "cpu"): Add power5.
        * config/rs6000/power5.md: New file.
        * doc/invoke.texi: Add power5 option.

2004-03-25  Kazu Hirata  <kazu@cs.umass.edu>

        * cfgrtl.c, dbxout.c, tree.def, config/darwin.h,
        config/arm/arm.c, objc/objc-act.c: Fix comment typos.
        * doc/invoke.texi: Fix a typo.

2004-03-25  Kazu Hirata  <kazu@cs.umass.edu>

        PR optimization/9707.
        * stmt.c (emit_case_nodes): Emit equality comparisons instead
        of recursing if both children are single-valued cases with no
        children.

2004-03-25  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (vfp_print_multi): Remove.
        (arm_output_fldmx): New function.
        (vfp_emit_fstmx): Return block size, not insn. Add ARM10 VFPr1 bugfix.
        (arm_expand_prologue): Update to match.
        (arm_get_vfp_saved_size): New Function.
        (arm_get_frame_offsets): Use it.
        (arm_output_epilogue): Use new functions.

2004-03-24  Richard Henderson  <rth@redhat.com>

        * alias.c (alias_invariant, alias_invariant_size): Mark GTY.
        (reg_known_value, reg_known_value_size): Likewise; make static.
        (reg_known_equiv_p): Make static.
        (clear_reg_alias_info): Update for new indexing.
        (get_reg_known_value, set_reg_known_value): New.
        (get_reg_known_equiv_p, set_reg_known_equiv_p): New.
        (canon_rtx): Use them.
        (init_alias_analysis): Likewise.  Allocate reg_known_value with gc.
        Don't play queer offsetting games with reg_known_value and
        reg_known_equiv_p.
        (end_alias_analysis): Free reg_known_value with gc.
        * rtl.h (get_reg_known_value, get_reg_known_equiv_p): Declare.
        * sched-deps.c (reg_known_equiv_p, reg_known_value): Remove.
        (deps_may_trap_p, sched_analyze_1, sched_analyze_2): Use the new
        functions instead.

2004-03-24  Kazu Hirata  <kazu@cs.umass.edu>

        * dwarf2asm.c, loop.h, pretty-print.c, pretty-print.h,
        config/i386/mmintrin.h: Update copyright.

2004-03-24  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure.ac: Add --enable-werror-always (for top level bootstrap
        support).
        * configure: Regenerate.

2004-03-24  Ziemowit Laski  <zlaski@apple.com>

        * objc/objc-act.c (objc_comptypes): Treat comparisons
        between 'Class' and '<class> *' as explicitly invalid.

2004-03-24  David Edelsohn  <edelsohn@gnu.org>

        * doc/invoke.texi (-frename-registers: Add enabled at -O3.
        (-fprofile-values): Add enabled with profile-{generate,use}.
        (-fvpt): Same.
        (-ftracer): Add enabled with profile-use.
        (-funit-at-a-time): Add enabled at -O2,-O3.
        (-funroll-loops): Add enabled with profile-use.
        (-funswitch-loops): Add enabled with profile-use.  Remove duplicates.
        (max-gcse-passes): Mention default.
        (max-cse-path-length): Mention default.

2004-03-24  Nathanael Nerode  <neroden@gcc.gnu.org>

        * Makefile.in (STRICT2_WARN): Reorder.
        * configure.ac: Check for -Wold-style-definition, and use it
        in strict1_warn if it's available.
        * configure: Regnerate.

2004-03-24  Paul Brook  <paul@nowt.org>

        * config.gcc <arm>: Add --with-abi=
        * config/arm/arm-protos.h (arm_get_frame_size, thumb_get_frame_size,
        thumb_far_jump_used): Remove prototypes.
        (arm_needs_doubleword_align): Add prototype.
        (thumb_compute_initial_elimination_offset): Ditto.
        * config/arm/arm.c (arm_get_frame_offsets): New function.
        (use_return_insn, output_return_instruction, arm_output_epilogue,
        arm_output_function_epilogue, arm_compute_initial_elimination_offset,
        arm_expand_prologue, thumb_expand_epilogue): Use it.
        (arm_abi, target_abi_name, all_arm_abis): New variables.
        (arm_override_options): Set them.  Set structure padding for AAPCS.
        (arm_return_in_memory): Update ABI check.
        (arm_init_cumulative_args): Initialize can_split.
        (arm_needs_doubleword_align): New function.
        (arm_function_arg): Don't split args after pushing to stack. Handle
        doubleword/even reg alignment.
        (arm_va_arg): Handle all doubleword aligned args.
        (add_minpoolforward ref, dump_minpool, push_minpool_fix): Align based
        on ABI, not CPU.
        (arm_compute_save_reg0_reg12_mask): Fix comment.
        (thumb_get_frame_size, thumb_get_frame_size): Remove.
        (thumb_jump_far_used_p): Remove superfluous argument.  Return save
        value for alignment.
        (thumb_unexpanded_epilogue, thumb_output_function_prologue): Change
        to match.
        (thumb_compute_initial_elimination_offset): New function.
        (thumb_expand_prologue): Use arm_get_frame_offsets.  Remove
        unneccessary rounding.
        * config/arm/arm.h (target_abi_name): Declare.
        (ARM_DOUBLEWORD_ALIGN, DOUBLEWORD_ALIGNMENT, TARGET_IWMMXT_ABI,
        arm_abi_type, ARM_DEFAULT_ABI): Define.
        (ARM_FLAG_ATPCS): Remove.
        (TARGET_OPTIONS, OPTION_DEFAULT_SPECS): Add -mabi=.
        (BIGGEST_ALIGNMENT, PREFERRED_STACK_BOUNDARY, STACK_BOUNDARY): Use it.
        (ADJUST_FIELD_ALIGN, DATA_ALIGNMENT, LOCAL_ALIGNMENT,
        TYPE_NEEDS_IWMMXT_ALIGNMENT): Remove.
        (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P, FUNCTION_ARG_REGNO_P):
        Contitionalize on ABI, not CPU.
        (struct arm_stack_offsets): Define.
        (struct machine_function): Add stack_offsets.  Remove frame_size.
        (FUNCTION_ARG_PARTIAL_NREGS): Don't split if previous args have been
        pushed.
        (FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY): Handle general
        doubleword alignment.
        (THUMB_INITIAL_ELIMINATION_OFFSET,
        ARM_INITIAL_ELIMINATION_OFFSET): Remove.
        (INITIAL_ELIMINATION_OFFSET): Call functions directly.
        * config/arm/arm.md (align_8): Enable for all targets.
        * config/arm/netbsd-elf.h (TARGET_DEFAULT): Remove TARGET_ATPCS.
        (ARM_DEFAULT_ABI): Define.
        * doc/invoke.texi <ARM>: Document -mabi=. Update documentation for
        -mstructure-size-boundary.

2004-03-24  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure.ac: Check for -Wno-variadic-macros; don't use
        -pedantic (in stage 1 or a simple 'make all') unless it's available,
        and if it's available, use it.  Also, clean up check for
        -Wno-long-long.
        * configure: Regenerate.

2004-03-24  Richard Sandiford  <rsandifo@redhat.com>

        * config.gcc (mips64vr-*-elf*, mips64vrel-*-elf*): Remove tm_defines.
        * config/mips/vr.h (DEFAULT_VR_ARCH): New macro, defined to vr4130.
        (MULTILIB_DEFAULTS): Use it.
        (MIPS_CPU_STRING_DEFAULT): Remove.
        (MIPS_ABI_DEFAULT, MIPS_MARCH_CONTROLS_SOFT_FLOAT): Define.
        (DRIVER_SELF_SPECS): Make -mfix-vr4122-bugs imply -march=vr4120.  Make
        EABI64 -mlong32 the default ABI.  Enforce the default architecture.
        * config/mips/t-vr (MULTILIB_OPTIONS): Add mfix-vr4122-bugs,
        march=vr4130, march=vr4300, march=vr5000 and march=vr5500.
        (MULTILIB_MATCHES): Use -mfix-vr4122-bugs multilibs for -march=vr4120.
        (MULTILIB_EXCEPTIONS): Change choice of multilibs.  Update comments
        accordingly.

2004-03-24  DJ Delorie  <dj@redhat.com>
            Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (MASK_FIX_VR4122, TARGET_FIX_VR4122): New macros.
        (TARGET_SWITCHES): Add -mfix-vr4122-bugs and -mno-fix-vr4122-bugs.
        (ASM_SPEC): Pass down -mfix-vr4122-bugs.
        * config/mips/mips.c (mips_avoid_hazards): Don't emit whole functions
        in .set noreorder and .set nomacro if TARGET_FIX_VR4122.
        (mips_init_libfuncs): Use special functions for divsi3 and modsi3
        if TARGET_FIX_VR4122.
        * config/mips/mips.md (define_attr length): Account for nops inserted
        after macc and dmult when using -mfix-vr4122-bugs.
        (umuldi3_highpart, divmodsi4, divmoddi4): Disable if TARGET_FIX_VR4122.
        * config/mips/t-vr (LIB2FUNCS_STATIC_EXTRA): Define instead of
        LIB2FUNCS_EXTRA.  Add config/mips/vr4122-div.S.
        * config/mips/vr4122-div.S: New file.
        * doc/invoke.texi: Document -mfix-vr4122-bugs.

2004-03-24  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (PROCESSOR_R4130): New processor_type.
        (TARGET_MIPS4130): New macro.
        (ISA_HAS_MACC): Return true if TARGET_MIPS4130 && !TARGET_MIPS16.
        * config/mips/mips.c (mips_cpu_info_table): Add a vr4130 entry.
        (override_options): Extend MIPS_MARCH_CONTROLS_SOFT_FLOAT to deal
        with PROCESSOR_R4130.
        * config/mips/mips.md (define_attr cpu): Add r4130.
        * doc/invoke.texi: Document vr4130 as a supported MIPS architecture.

2004-03-24  Maciej W. Rozycki  <macro@ds2.pg.gda.pl>
            Richard Sandiford  <rsandifo@redhat.com>

        * doc/invoke.texi: Apply missed hunk from 2004-03-03 change.

2004-03-24  Alexandre Oliva  <aoliva@redhat.com>

        PR preprocessor/14438
        * cpplib.c (do_pragma): Remove line_change call after pragma
        handler.

2004-03-23  Ian Lance Taylor  <ian@wasabisystems.com>

        * doc/extend.texi (ARM Built-in Functions): Replace with correct
        declarations.

2004-03-23  Roger Sayle  <roger@eyesopen.com>

        * reg-stack.c (get_true_reg): Handle FLOAT_TRUNCATE like FLOAT_EXTEND
        if flag_unsafe_math_optimizations.
        * config/i386/i386.md (truncdfsf2): If flag_unsafe_math_optimizations
        and TARGET_80387 expand using truncdfsf2_noop pattern.
        (truncxfsf2): Likewise using truncxfsf2_noop.
        (truncxfdf2): Likewise using truncxfdf2_noop.
        (truncdfsf2_noop, truncxfsf2_noop, truncxfdf2_noop): New patterns.

2004-03-23  Ziemowit Laski  <zlaski@apple.com>

        * hooks.c (hook_constcharptr_tree_null): New hook.
        * hooks.h (hook_constcharptr_tree_null): New prototype.
        * target-def.h (TARGET_MANGLE_FUNDAMENTAL_TYPE): New target hook.
        * target.h (mangle_fundamental_type): New target hook.
        * config/rs6000/rs6000.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Point
        target hook at rs6000_mangle_fundamental_type.
        (rs6000_mangle_fundamental_type): New function.
        * doc/tm.texi (TARGET_MANGLE_FUNDAMENTAL_TYPE): Document.

2004-03-23  Zack Weinberg  <zack@codesourcery.com>

        PR 12267, 12391, 12560, 13129, 14114, 14133
        * c-tree.h: Forward declare struct c_binding.  Declare
        c_override_bindings_to_false.  Update prototypes.
        (struct lang_identifier): Update comments.  Change fields to be
        struct c_binding *.
        (IDENTIFIER_SYMBOL_VALUE, IDENTIFIER_TAG_VALUE)
        (IDENTIFIER_LABEL_VALUE, C_DECL_INVISIBLE)
        (KEEP_NO, KEEP_YES, KEEP_MAYBE): Delete.
        (C_DECL_IN_EXTERNAL_SCOPE, C_DECL_DECLARED_BUILTIN): New.
        * c-common.h: Update prototypes.
        * c-decl.c (struct c_scope): Update commentary.  Remove names,
        names_last, parms, parms_last, tags, and shadowed fields.  Add
        bindings and depth fields.
        (scope_freelist): Move to more appropriate location.
        (c_print_identifier): Update for changes to struct lang_identifier.
        (objc_mark_locals_volatile): Update for new bindings structures.
        (global_bindings_p): Honor c_override_global_bindings_to_false.
        (pushlevel): Rename to push_scope; take no arguments; use the
        scope_freelist; initialize scope->depth and check for overflow.
        (poplevel): Rename to pop_scope; totally rewritten for new bindings
        structures.
        (diagnose_mismatched_decls): Use C_DECL_DECLARED_BUILTIN, not
        C_DECL_INVISIBLE, for certain decisions.  Adjust some diagnostics.
        Improve some commentary.  Adjust handling of forward parm decls.
        (merge_decls): Set C_DECL_DECLARED_BUILTIN when appropriate.
        Preserve C_DECL_IN_EXTERNAL_SCOPE.
        (warn_if_shadowing): Correct indentation.  Improve diagnostics.
        (pushdecl): Remove unnecessary assertion.  Short-circuit anonymous
        decls.  Rewrite for new bindings structures.  Improve commentary.
        Eliminate the copy_node call.
        (implicit_decl_warning): Use the "diag" idiom (as seen in
        locate_old_decl) to reduce code duplication; call locate_old_decl
        if appropriate.  Relocate to remove need for forward declaration.
        (implicitly_declare): Adjust for new bindings structures.  Kludge
        around Objective-C not-really-builtin functions.
        (undeclared_variable): Improve diagnostics.  If current_function_decl
        is nonnull but current_function_scope is null, use current_scope.
        Use bind.
        (lookup_tag): Adjust for new bindings structures.  Kludge around
        Objective-C's tag declarations that wind up in the external scope.
        (lookup_name): Adjust for new bindings structures.  Kludge around
        c-common.c's pseudo-typedefs that wind up in the external scope.
        (lookup_name_current_level): Rename lookup_name_in_scope; take a
        second argument indicating the scope to examine; rewrite for
        new bindings structures.
        (c_init_decl_processing): Adjust for renamed functions.  Do not
        initialize current_file_decl, first_builtin_decl, last_builtin_decl.
        First scope pushed is the external scope, not the global scope.
        (builtin_function): Use bind, not pushdecl.  Adjust other bits
        for new data structures.  Keep track of builtins that should be
        made visible automatically.
        (start_decl): Adjust diagnostics.  Remove unnecessary call to
        expand_decl.
        (grokparms): Return 0 if arg_types is error_mark_node.
        (get_parm_info): Rename "void_at_end" argument to "ellipsis", with
        reversed sense.  Rewrite for new bindings structures.  Do not
        leave any decls in the scope, to prevent pop_scope from doing
        contradictory things with them.
        (finish_struct, finish_enum): Remove redundant diagnostics.
        (build_enumerator): Don't cascade diagnostics for error_mark_node.
        Mark location where -pedantic changes the meaning of the program.
        (store_parm_decls_newstyle, store_parm_decls_oldstyle): Load the
        parameter decls into the function's scope structure using bind.
        Warn here about function definitions in the wrong style.
        Adjust diagnostics.
        (store_parm_decls): Correct the determination of whether a
        function was defined with a prototype.
        (c_write_global_declarations): Operate on all file decls and on
        the external scope.  Split body of the loop to...
        (c_write_global_declarations_1): ... this new function, to avoid
        code duplication.
        (truly_local_externals, first_builtin_decl, last_builtin_decl)
        (make_scope, pop_scope, in_parm_level_p, set_block)
        (any_external_decl, record_external_decl, bind_label, getdecls)
        (link_hash_hash, link_hash_eq, merge_translation_unit_decls)
        (c_reset_state): Delete.
        (visible_builtins, c_override_global_bindings_to_false)
        (c_binding, I_SYMBOL_BINDING, I_SYMBOL_DECL, I_TAG_BINDING)
        (I_TAG_DECL, I_LABEL_BINDING, I_LABEL_DECL, file_scope)
        (external_scope, binding_freelist, bind, free_binding_and_advance)
        (push_file_scope, pop_file_scope): New.
        (pushtag, pushdecl_top_level, lookup_label, declare_label)
        (define_label, c_make_fname_decl, finish_decl)
        (mark_forward_parm_decls, build_compound_literal)
        (grokdeclarator, start_function, check_for_loop_decls)
        (identifier_global_value, record_builtin_type): Minor adjustments
        for new bindings structures.  Improve diagnostics and commentary.
        * c-objc-common.c (start_cdtor, finish_cdtor): Adjust calls to
        pushlevel/poplevel respectively.
        (c_objc_common_finish_file): Don't call merge_translation_unit_decls.
        * c-opts.c (c_common_parse_file): Remove spurious ATTRIBUTE_UNUSED.
        Warn about YYDEBUG not being defined only if -dy.  Remove no-longer-
        correct loop over multiple translation units; call fatal_error if
        requested to compile more than one file at once.  (This disables
        IMA temporarily - an up-front error being preferable to a crash.)
        * c-parse.in (pushlevel, poplevel rules): Rename push_scope, pop_scope.
        (all actions): Adjust calls to pushlevel/poplevel.
        (parsing_iso_function_signature): Delete.
        (extdef_1): Fold into extdef.
        (old_style_parm_decls_1): Fold into old_style_parm_decls.  Don't
        warn here about function definitions in the wrong style.
        (after_tyle_declarator, parm_declarator_starttypename)
        (parm_declarator_nostarttypename, notype_declarator): Remove
        commented-out productions.
        (parmlist_1, parmlist_2): Use make_node, not tree_cons, to create
        an empty TREE_LIST node.  Adjust calls to get_parm_info.
        (parmlist_2 : ELLIPSIS): Tag the arg-info block with error_mark_node
        to suppress -Wold-style-definition after this error.
        (c_parse_file): Don't clear the binding stack or call
        finish_fname_decls here.  Correct comment.
        * c-typeck.c (same_translation_unit_p): Export.
        (common_type): Use c_override_global_bindings_to_false, not
        pushlevel/poplevel/declare_parm_level.
        * c-lang.c: Override LANG_HOOKS_CLEAR_BINDING_STACK,
        LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK,
        and LANG_HOOKS_GETDECLS with do-nothing stubs.
        * objc/objc-lang.c: Likewise.
        * objc/objc-act.c: Adjust all calls to pushlevel, poplevel,
        get_parm_info.
        (OBJC_VOID_AT_END): Delete; replace all uses
        with void_list_node.
        (generate_forward_declaration_to_string_table): Delete.
        * objc/objc-act.h (OCTI_STRG_DECL, UOBJC_STRINGS_decl): Delete.

        * coverage.c (create_coverage): Don't pushdecl anything.
        * langhooks.c (lhd_clear_binding_stack): Call
        lang_hooks.decls.poplevel, not poplevel.
        * tree.c (list_length): If ENABLE_TREE_CHECKING, abort on a
        circular list rather than going into an infinite loop.

2004-03-23  Olivier Hainque  <hainque@act-europe.fr>

        * optabs.c (expand_binop): When synthesizing double word rotates
        from single word shifts, use a new register target if the provided
        target is not a REG already.

2004-03-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * alias.c (get_alias_set): Add support for TYPE_REF_CAN_ALIAS_ALL.
        * c-common.c (handle_mode_attribute): Add extra arg to
        build_pointer_type_for_mode and build_reference_type_for_mode.
        * c-typeck.c (build_c_cast): Only look at TREE_CONSTANT_OVERFLOW
        for INTEGER_CST.
        * tree.c (build_pointer_type_for_mode): Add arg CAN_ALIAS_ALL.
        Chain pointers via TYPE_NEXT_PTR_TO.
        (build_reference_type_for_mode): Similarly.
        (build_type_no_quals): Add extra arg to build_pointer_type_for_mode
        and build_reference_type_for_mode.
        (tree_check4_failed): New function.
        * tree.h (TREE_CHECK4, PTR_OR_REF_CHECK): New macros.
        (TYPE_REF_CAN_ALIAS_ALL, TYPE_NEXT_PTR_TO, TYPE_NEXT_REF_TO): Likewise.
        (TREE_NO_UNSUED_WARNING, TREE_VIA_VIRTUAL, TREE_CONSTANT_OVERFLOW):
        Add check.

2004-03-23  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (tree_expr_nonnegative_p): A&B is nonnegative when
        A is nonnegative or B is nonnegative.  Similarly A|B is nonnegative
        when both A and B are nonnegative.
        (tree_expr_nonzero_p): A|B is nonzero when A is nonzero or B is
        nonzero.

2004-03-23  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (fold): Remove cases for INTEGER_CST, REAL_CST,
        VECTOR_CST, STRING_CST, COMPLEX_CST, and CONSTRUCTOR.

2004-03-23  Kazu Hirata  <kazu@cs.umass.edu>

        PR optimization/14669
        * fold-const.c (fold): Only unwiden integer comparisons for equality
        and inequality operators, or when the signedness doesn't change.

2004-03-23  Jakub Jelinek  <jakub@redhat.com>

        * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
        * config/sparc/t-linux64 (TARGET_LIBGCC2_CFLAGS): Set.
        * config/sparc/t-linux: New file.

2004-03-23  Richard Sandiford  <rsandifo@redhat.com>

        * gcse.c (can_assign_to_reg_p): New function, split out from...
        (want_to_gcse_p): ...here.
        (compute_ld_motion_mems): Use can_assign_to_reg_p to validate
        the rhs of a store.

2004-03-22  Diego Novillo  <dnovillo@redhat.com>

        * c-typeck.c (same_translation_unit_p): Fix pasto.

2004-03-22  David Edelsohn  <edelsohn@gnu.org>

        * params.def (PARAM_MAX_SCHED_REGION_BLOCKS): New.
        (PARAM_MAX_SCHED_REGION_INSNS): New.
        * sched-rgn.c: Include params.h
        (MAX_RGN_BLOCKS): Delete.
        (MAX_RGN_INSNS): Delete.
        (too_large): Return bool.  Convert to PARAM_VALUE.
        * Makefile.in (sched-rgn.o): Depend on $(PARAMS_H).
        * doc/invoke.texi (param): Document max-sched-region-blocks and
        max-sched-region-insns.

2004-03-22  Joel Brobecker  <brobecker@gnat.com>

        * dwarf2out.c (is_subrange_type): Do not emit a subrange_type DIE
        for base types.

2004-03-22  Joel Brobecker  <brobecker@gnat.com>

        * dwarf2out.c (is_subrange_type): Minor code rework. No behavior
        change.

2004-03-22  Jakub Jelinek  <jakub@redhat.com>

        PR c/14069
        * c-decl.c (finish_struct): Change type of incorrect flexible array
        field into error_mark_node.

2004-03-22  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/14580
        * config/rs6000/rs6000.c (symbol_ref_operand): Reject symbols
        who are not local for Darwin PIC.

2004-03-22  Ulrich Weigand  <uweigand@de.ibm.com>

        * regrename.c (regrename_optimize): Set regs_ever_live for all
        registers introduced as replacement.

2004-03-22  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR middle-end/14470
        * expr.c (mark_queue): New function.
        (emit_insns_enqueued_after_mark): New function replacing
        emit_queue.  Clear the body of emitted queued insns.
        (emit_queue): Call emit_insns_enqueued_after_mark.
        (store_expr): Mark the increment queue on entry.  Emit
        only the incrementations queued when expanding the source.

2004-03-22  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure.ac: Allow --disable-coverage-flags (for the future benefit
        of top level bootstrap, and consistency).  Reindent.
        * configure: Regenerate.

2004-03-21  Kazu Hirata  <kazu@cs.umass.edu>

        * bt-load.c, builtins.c, cfghooks.c, cfgrtl.c, gcse.c,
        ggc-page.c, integrate.c, var-tracking.c, web.c: Remove
        unnecessary casts.

2004-03-22  Danny Smith  <dannysmith@users.sourceforge.net>

        PR target/14291
        * gcov-io.h (gcov_truncate): Define ftruncate as _chsize for
        __MINGW32__.

2004-03-21  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("*doloop_si"): Change predicate for operand 2
        to nonimmediate_operand.
        ("*doloop_di"): Likewise.

2004-03-21  Alexandre Oliva  <aoliva@redhat.com>

        * real.h (struct real_value): Use the same type for all
        bitfields.  Rename exp to uexp.
        (REAL_EXP, SET_REAL_EXP): New accessor macros for uexp.
        Adjust all uses of exp...
        * builtins.c: ... here, ...
        * emit-rtl.c: ... here, and ...
        * real.c: ... and here.

2004-03-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * pretty-print.c (pp_base_maybe_space): New function.
        * pretty-print.h (pp_base_maybe_space): Declare.
        (pp_maybe_space): New macro.

2004-03-21  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("addti3", "subti3"): New insns and splitters.

2004-03-21  Ulrich Weigand  <uweigand@de.ibm.com>

        * expmed.c (choose_mult_variant): Pass MULT_COST as argument instead
        of using register multiplication cost.
        (expand_mult): Adapt choose_mult_variant call.
        (expand_mult_highpart): Call choose_mult_variant with WIDER_MODE
        of MODE; pass appropriate cost bound.  Adjust result when
        performing signed multiplication by a negative constant.
        Don't use intermediate modes larger than word_mode.

2004-03-21  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * alias.c (get_alias_set): Remove handling of PLACEHOLDER_EXPR.
        * emit-rtl.c (component_ref_for_mem_expr): Likewise.
        (set_mem_attributes_minus_bitpos): Call SUBSTITUTE_PLACEHOLDER_IN_EXPR.
        * explow.c (expr_size): Likewise.
        * expr.h (placeholder_list, find_placeholder): Deleted.
        * expr.c (store_constructor): Likewise.
        (get_inner_reference): Likewise.  Also don't call find_placeholder.
        (placeholder_list, find_placeholder): Deleted.
        (is_aligning_offset): Don't handle WITH_RECORD_EXPR, PLACEHOLDER_EXPR.
        (expand_expr_real, cases PLACEHOLDER_EXPR, WITH_RECORD_EXPR): Likewise.
        (highest_pow2_factor, case WITH_RECORD_EXPR): Remove.
        * dojump.c (do_jump, case WITH_RECORD_EXPR): Likewise.
        * dwarf2out.c (loc_descriptor_from_tree, case WITH_RECORD_EXPR):
        Likewise.
        * fold-const.c (invert_truthvalue, case WITH_RECORD_EXPR): Likewise.
        (extract_muldiv, case WITH_RECORD_EXPR): Likewise.
        * tree.c (expr_align, case WITH_RECORD_EXPR): Likewise.
        (contains_placeholder_p): Don't handle WITH_RECORD_EXPR.
        Clean up by using first_rtl_op.
        (substitute_in_expr): Use SUBSTITUTE_IN_EXPR for recursive call.
        (substitute_placeholder_in_expr): New function.
        * tree.def (WITH_RECORD_EXPR): Deleted.
        * tree.h (SUBSTITUTE_IN_EXPR, SUBSTITUTE_PLACEHOLDER_IN_EXPR): New.
        (substitute_placeholder_in_expr): New.

2004-03-21  Andrew Pinski  <pinskia@gcc.gnu.org>

        * dojump.c (prefer_and_bit_test): Fix which part of
        the and_test is replaced.

2004-03-21  Joseph S. Myers  <jsm@polyomino.org.uk>

        * frontends.texi: Add missing line.

2004-03-21  Zack Weinberg  <zack@codesourcery.com>
            Chris Devers  <cdevers@pobox.com>
            Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/frontends.texi: Rewrite.
        * doc/gcc.texi: Update last modification date.

2004-03-21  Josef Zlomek  <zlomekj@suse.cz>

        * cfgrtl.c (cfg_layout_redirect_edge_and_branch): Print the debug
        message before redirecting the edge.

2004-03-20  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * emit-rtl.c (set_mem_attributes_minus_bitpos): Set MEM_POINTER
        flag.
        * explow.c (force_not_mem): Set REG_POINTER flag according to
        MEM_POINTER one.
        * rtl.h (MEM_POINTER): New macro.
        (struct rtx_def): Use integrated for MEM_SCALAR_P and frame_related
        for MEM_POINTER.

2004-03-20  Roger Sayle  <roger@eyesopen.com>

        PR target/13889
        * cse.c (fold_rtx): Avoid substituting constants into unary
        conversion operations.

2004-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (fold): Replace "expr" with "t".

2004-03-20  Ian Lance Taylor  <ian@wasabisystems.com>

        PR c/12373
        * c-typeck.c (tagged_types_tu_compatible_p): Don't use
        DECL_ORIGINAL_TYPE if there isn't one.

2004-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (fold): Replace "final_type" with "type".
        Remove variable "final_type".

2004-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (fold): Constify "type".
        Replace "TREE_TYPE (t)" with "type".

2004-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * bb-reorder.c, bt-load.c, c-decl.c, cfgcleanup.c, coverage.c,
        dwarf2asm.c, ifcvt.c, stor-layout.c, varasm.c: Replace calls
        via (*targetm.foo) () with targetm.foo ().

2004-03-20  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR other/14630
        * doc/install.texi: Add info directory category and entry.

2004-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (fold): Replace "t" with "tem" where it is used
        as a temporary variable.  Remove "orig_t" and all of its uses.

2004-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (fold): Remove variable "invert".
        Move the handling of relational expressions that can be folded
        to a constant ...
        (fold_relational_const): ... here.
        (tree_expr_nonzero_p): New.

2004-03-20  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/14635
        * builtins.def (nan, nanf, nanl, nans, nansf, nansl): Change to
        DEF_GCC_BUILTIN.

2004-03-20  Richard Sandiford  <rsandifo@redhat.com>

        * Makefile.in (dojump.o): Depend on $(GGC_H) and dojump.h.
        (GTFILES): Add $(srcdir)/dojump.h.
        (gt-dojump.h): New dependency.
        * dojump.c (and_reg, and_test, shift_test): New static variables.
        (prefer_and_bit_test): New function.
        (do_jump): Use it to choose between (X & (1 << C)) and (X >> C) & 1.

2004-03-20  Kazu Hirata  <kazu@cs.umass.edu>

        * c-common.c, cfgcleanup.c, cgraphunit.c, c-pretty-print.c,
        expmed.c, ggc-common.c, jump.c, passes.c, recog.c, regmove.c,
        reorg.c, tree.h: Fix comment typos.

2004-03-19  Kazu Hirata  <kazu@cs.umass.edu>

        * alias.c, attribs.c, bt-load.c, builtins.c, c-common.c,
        c-decl.c, c-objc-common.c, c-typeck.c, calls.c, cfglayout.c,
        cse.c, dbxout.c, dwarf2out.c, except.c, final.c,
        haifa-sched.c, integrate.c, passes.c, rtlanal.c, sched-rgn.c,
        sched-vis.c, simplify-rtx.c, stor-layout.c, tree.c, varasm.c,
        vmsdbgout.c: Replace calls via (*targetm.foo) () with
        targetm.foo ().

2004-03-19  Ziemowit Laski  <zlaski@apple.com>

        * config/rs6000/altivec.h (vec_dst, vec_dstst, vec_dststt,
        vec_dstt, vec_sld, vec_splat): Add prototypes, marked with
        always_inline attribute.
        * config/rs6000/rs6000.c (altivec_expand_dst_builtin):
        Treat expansion as completed even if literal argument is
        invalid (so that other expansions are not tried in vain).

2004-03-19  Kazu Hirata  <kazu@cs.umass.edu>

        * loop-doloop.c (add_test): Replace GEN_INT (0) with
        const0_rtx.

2004-03-19  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (fold) <ABS_EXPR>: Move the handling of constants
        ...
        (fold_abs_const): ... here.

2004-03-19  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree.h (TYPE_ARRAY_MAX_SIZE): Use type.maxval directly.

2004-03-19  Denis Chertykov  <denisc@overta.ru>

        PR target/11520
        * config/avr/avr.md ("call_insn"): Handle explicit integer
        specially.
        (call_value_insn): Likewise.

2004-03-19  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree.c (substitute_in_expr): Rewrite to simplify and be more generic.

2004-03-19  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (negate_expr): Move the handling of constants
        ...
        (fold_negate_const): ... here.

2004-03-19  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * langhooks-def.h (LANG_HOOKS_HASH_TYPES): New macro and hook.
        * langhooks.h (struct lang_hooks_for_types): New field hash_types.
        * tree.c (debug_no_type_hash): Deleted.
        (type_hash_canon): Abort if passed a variant.
        Check lang_hooks.types.hash_types.
        (build_type_no_quals): Copy mode of POINTER_TYPE and REFERENCE_TYPE.
        (build_array_type): Remove unnecessary allocation of pointer type.
        (build_complex_type): Properly qualify resulting type.

2004-03-19  Paolo Bonzini  <bonzini@gnu.org>

        * config/rs6000/rs6000.c (rs6000_init_builtins): Fix typo.

2004-03-19  Richard Sandiford  <rsandifo@redhat.com>

        * expmed.c (choose_mult_variant, expand_mult_const): New, split from...
        (expand_mult): ...here.
        (extract_high_half): New, split out from expand_mult_highpart.
        (expand_highpart_optab): Likewise.  Don't clobber target prematurely.
        (expand_highpart): Evaluate the cost of a shift/add sequence,
        then see if any of the specialized optabs are cheaper.

2004-03-18  Ian Lance Taylor  <ian@wasabisystems.com>

        * mklibgcc.in: Remove obsolete MAYBE_USE_COLLECT2.

2004-03-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * convert.c (convert_to_real): Add more math builtins.

2004-03-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * convert.c (convert_to_real): Reformat using switch stmt.

2004-03-18  Mark Mitchell  <mark@codesourcery.com>

        * c-common.c (pointer_int_sum): Do not complain about using
        pointers to pointers-to-members.

2004-03-18  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (MD_ASM_CLOBBERS): Move to "Old target macros that
        have moved to the target hooks structure".

2004-03-18  James E Wilson  <wilson@specifixinc.com>

        * config/mips/mips.md (type): Split move into arith and fmove.  Split
        hilo into mthilo and mfhilo.  Add trap.  Delete icmp.  Fix all uses.
        * config/mips/5400.md (ir_vr54_hilo, ir_vr54_arith, ir_vr54_fabs):
        Likewise.
        * config/mips/5500.md (ir_vr55_hilo, ir_vr55_arith, ir_vr55_fabs):
        Likewise.
        * config/mips/7000.md (rm7_int_other, rm7_mthilo, rm7_mfhilo,
        rm7_fp_quick): Likewise.
        * config/mips/9000.md (rm9k_int, rm9k_mfhilo, rm9k_mthilo,
        rm9k_fquick): Likewise.
        * config/mips/sr71k.md (ir_sr70_hilo, ir_sr70_arith, ir_sr70_fabs):
        Likewise.
        (ir_sr70_icmp): Delete.

2004-03-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree.h (TREE_CHECK2, TREE_CHECK3, TREE_CHECK5): New macros.
        (tree_check2_failed, tree_check3_failed, tree_check5_failed): New decl.
        (FUNC_OR_METHOD_CHECK, SET_ARRAY_OR_VECTOR_CHECK): New macros.
        (REC_OR_UNION_CHECK, NUMERICAL_TYPE_CHECK): Likewise.
        (TYPE_VALUES, TYPE_DOMAIN, TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD):
        Protect with proper check.
        (TYPE_ARG_TYPES, TYPE_METHOD_BASETYPE, TYPE_OFFSET_BASETYPE): Likewise.
        (TYPE_MIN_VALUE, TYPE_MAX_VALUE): Likewise.
        * tree.c (type_hash_eq): Rewrite to access proper fields for each type.
        (tree_check2_failed, tree_check3_failed, tree_check5_failed): New.
        * c-typeck.c (build_array_ref): Use TYPE_DOMAIN, not TYPE_VALUES.
        * dwarf2out.c (gen_enumeration_type_die): Use TYPE_VALUES,
        not TYPE_FIELDS.
        * stor-layout.c (set_sizetype): Use TYPE_ORIG_SIZE_TYPE.

2004-03-18  Mostafa Hagog  <mustafa@il.ibm.com>

        * gcse.c (eliminate_partially_redundant_loads): Reject change if
        dest is set between beginning and current insn.

2004-03-18  Mark Mitchell  <mark@codesourcery.com>

        * c-decl.c (grokdeclarator): Do not complain about redeclaring
        visible "static" identifiers "extern" in a local scope.
        * dwarf2out.c (loc_descriptor_from_tree): Handle pre- and
        post-increments/decrements.

2004-03-18  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (current_function_arg_words): Delete.
        (xtensa_builtin_saveregs): Use current_function_args_info.arg_words.
        (xtensa_va_start): Remove assignment to current_function_arg_words.

2004-03-18  Richard Sandiford  <rsandifo@redhat.com>

        * alias.c (record_set): Detect the case where a register is assigned
        a new value that has the same base term as the old one.

2004-03-18  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * doloop.c: Removed.
        * loop-doloop.c: New file.
        * Makefile.in (doloop.o): Remove.
        (loop-doloop.o): New.
        * cfgloop.h (get_loop_level, doloop_optimize_loops): Declare.
        * cfgloopanal.c (get_loop_level): New function.
        * loop-iv.c (iv_number_of_iterations): Handle case when loop
        is leaved immediatelly.
        * loop.c (strength_reduce): Do not call doloop optimization.
        * loop.h (LOOP_BCT): Removed.
        * passes.c (rest_of_handle_loop_optimize): Do not use LOOP_BCT.
        (rest_of_handle_loop2): Call doloop_optimize_loops.
        (rest_of_compilation): Test for optimizations moved to
        rest_of_handle_loop2.

2004-03-17  Fariborz Jahanian <fjahanian@apple.com>

        * config/rs6000/rs6000.c (rs6000_stack_info): correct reg_size
        for mixed mode.
        (rs6000_emit_prologue): Ditto.
        (rs6000_emit_epilogue): Ditto.
        * config/rs6000/rs6000.h: Definition of DWARF_CIE_DATA_ALIGNMENT
        macro for mixed mode.

2004-03-18  Jan Hubicka  <jh@suse.cz>

        * predict.c (propagate_freq): Compute correctly frequency of
        EXIT_BLOCK.

2004-03-17  Eric Christopher  <echristo@redhat.com>

        * builtins.c (apply_args_size): Use reg_raw_mode.
        (apply_result_size): Ditto.

2004-03-17  Ralf Corsepius <corsepiu@faw.uni-ulm.de>

        PR target/14620
        * config/rtems.h: Add STD_LIB_SPEC and LIB_SPEC.

2004-03-17  Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/t-linux64 (bispecs): Don't add -mlong-double-128 for
        32-bit builds when defaulting to 32-bit.

2004-03-17  Jan Hubicka  <jh@suse.cz>

        * cfgrtl.c (rtl_create_basic_block): Pre-allocate basic_block_info
        array.

2004-03-17  James E Wilson  <wilson@specifixinc.com>

        * config/mips/mips.md (zero_extendsidi2): Add length attribute.
        (hazard_nop): Change type to nop.
        (type): Split arith into arith, shift, slt, clz.  Delete darith.
        Fix all uses.  Change arith to multi if more than one insn emitted.
        * config/mips/5400.md (ir_vr54_arith): Likewise.
        * config/mips/5500.md (ir_vr55_arith): Likewise.
        * config/mips/7000.md (rm7_int_other): Likewise.
        * config/mips/9000.md (rm9k_int): Likewise.
        * config/mips/sr71k.md (ir_sr70_arith): Likewise.

2004-03-17  Joel Brobecker  <brobecker@gnat.com>

        * dwarf2out.c (subrange_type_die): Define new variable "subtype"
        to hold the subtype tree instead of recomputing it several times.

2004-03-17  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mn10300/mn10300.c (notice_update_cc): Don't handle
        CC_INVERT.
        * config/mn10300/mn10300.md (cc): Remove "invert".

2004-03-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (integer_valued_real_p): Add builtin rint.
        (fold_builtin): Likewise.
        * convert.c (convert_to_real): Likewise.

        * convert.c (convert_to_real): Fix typos in `long double'
        builtins.

2004-03-16  Mark Mitchell  <mark@codesourcery.com>

        PR c++/14481
        * fold-const.c (fold): Set TREE_NO_UNUSED_WARNING on implicitly
        generated COMPOUND_EXPRs.

2004-03-16  Ralf Corsepius <corsepiu@faw.uni-ulm.de>

        * config/h8300/t-rtems (h8300-*-rtems*): New.

2004-03-16  Eric Christopher  <echristo@redhat.com>

        * doc/cppopts.texi(fwide-exec-charset): Fix typo.

2004-03-16  Kazu Hirata  <kazu@cs.umass.edu>

        * config/i386/i386-protos.h: Add a prototype for
        ix86_reverse_condition.
        * config/i386/i386.c (ix86_reverse_condition): New.
        * config/i386/i386.h (REVERSE_CONDITION): Use
        ix86_reverse_condition.
        * config/i386/i386.md: Use ix86_reverse_condition instead of
        REVERSE_CONDITION.

2004-03-16  J. Brobecker  <brobecker@gnat.com>

        * dwarf2out.c (loc_descriptor_from_tree): Add handling for MIN_EXPR.

2004-03-16  Nathanael Nerode  <neroden@gcc.gnu.org>

        PR bootstrap/12974
        * Makefile.in: Pass $(INCLUDES) down to libgcc.mk explicitly.

2004-03-16  Paolo Bonzini  <bonzini@gnu.org>

        * c-common.c (c_common_type_for_mode): Build vector types on
        demand.
        (handle_mode_attribute): Deprecate using the mode attribute
        to create vector types.  Fix indentation.
        (vector_type_node_list): Remove.
        (handle_vector_size_attribute): Create vector types on demand.
        Strip a NON_LVALUE_EXPR from the attribute if there is one.
        * c-typeck.c (comptypes): Make vector types compatible if they
        have the same underlying mode.
        (convert_for_assignment): Use comptypes to convert between
        vector types.
        * tree.c (build_common_tree_nodes_2): Do not create vector types.
        * config/arm/arm.c (arm_init_iwmmxt_builtins): Create necessary
        vector types.
        * tree.h: Remove vector types.
        * config/i386/i386.c (i386_init_mmx_sse_builtins): Likewise.
        * config/rs6000/rs6000.c (rs6000_init_builtins): Likewise.
        (V16QI_type_node, V2SI_type_node, V2SF_type_node, V4HI_type_node,
        V4SI_type_node, V4SF_type_node, V8HI_type_node): New globals.
        * doc/extend.texi (Vector Types): Document how to use the
        vector_size attribute to create vectors, rather than mode.

        * config/arm/mmintrin.h: Use vector_size attribute, not mode.
        * config/i386/emmintrin.h: Likewise.
        * config/i386/mmintrin.h: Likewise.
        * config/i386/xmmintrin.h: Likewise.
        * config/sh/ushmedia.h: Likewise.

2004-03-16  Kazu Hirata  <kazu@cs.umass.edu>

        * config/freebsd-spec.h, config/arc/arc-protos.h,
        config/arm/aout.h, config/arm/elf.h, config/arm/freebsd.h,
        config/arm/linux-gas.h, config/arm/semi.h,
        config/cris/cris-protos.h, config/i386/xm-djgpp.h,
        config/ia64/freebsd.h, config/mips/7000.md,
        config/mips/9000.md, config/ns32k/ns32k-protos.h,
        config/sparc/pbd.h: Update copyright.

2004-03-16  Ralf Corsepius <corsepiu@faw.uni-ulm.de>

        PR target/14577
        * config.gcc: Switch sh-*-rtems* to ELF.  Add sh-*-rtemscoff.

2004-03-16  Paolo Bonzini  <bonzini@gnu.org>

        * combine.c (combine_simplify_rtx): Remove the "last"
        parameter and its documentation.  Adjust recursive calls.
        (simplify_logical): Always perform the only simplification
        controlled by "last", if the simplified expression is
        actually different.
        (try_combine): Do not pass the "last" parameter to
        combine_simplify_rtx.

2004-03-16  Richard Sandiford  <rsandifo@redhat.com>

        PR target/14599
        * config/mips/mips.md (UNSPEC_GP): New constant.
        * config/mips/mips.c (CONST_GP_P): Expect the CONST to contain
        an UNSPEC instead of (reg $gp).
        (mips16_gp_pseudo_reg): Change accordingly.
        (print_operand): Print $gp directly when handling CONST_GP_P.

2004-03-16  Richard Zidlicky  <rz@linux-m68k.org>

        * config.gcc, config/m68k/linux.h: Implement with-cpu for m68k-linux.
        * longlong.h: Make code 68060 clean when compiling for m68060.

2004-03-16  Richard Zidlicky  <rz@linux-m68k.org>

        * config/m68k/m68k.md: Fix constraints for bitfield instructions.
        * doc/md.texi: Clarify description of "i" constraint.

2004-03-15  James E Wilson  <wilson@specifixinc.com>

        * config/mips/mips.md (type): Split load into load, fpload, fpidxload.
        Split store into store, fpstore, fpidxstore.  Fix all uses.
        * config/mips/5400.md (ir_vr54_load, ir_vr54_store, ir_vr54_fstore):
        Likewise.
        * config/mips/5500.md (ir_vr55_load, i5_vr55_store): Likewise.
        * config/mips/7000.md (rm7_ld, rm7_st): Likewise.
        * config/mips/9000.md (rm9k_load, rm9k_store): Likewise.
        * config/mips/sr71k.md (ir_sr70_load, ir_sr70_store, ir_sr70_fload,
        ir_sr70_fstore): Likewise.

2004-03-15  Richard Henderson  <rth@redhat.com>

        PR middle-end/14535
        * except.c (collect_one_action_chain): Record action for cleanup
        outer of exception spec.

2004-03-15  Ian Lance Taylor  <ian@wasabisystems.com>

        * config/rs6000/host-darwin.c (darwin_rs6000_gt_pch_use_address):
        Fix the check for abort and only do the mmap if we can.

2004-03-15  Eric Botcazou  <ebotcazou@act-europe.fr>

        * config/sparc/sparc.h: Rework comments about the code model
        in 64-bit environment and the mode 'Pmode'.
        * doc/invoke.texi (SPARC options): Rework description of the
        different code models supported in 64-bit environment.

2004-03-15  Kazu Hirata  <kazu@cs.umass.edu>

        * defaults.h (REVERSIBLE_CC_MODE): Define.
        * jump.c (reversed_comparison_code_parts): Don't check if
        REVERSIBLE_CC_MODE is defined.

2004-03-15  Kazu Hirata  <kazu@cs.umass.edu>

        * c-incpath.c, c-incpath.h, c-pch.c, c.opt, cppexp.c,
        et-forest.h, genattr.c, ggc-none.c, hosthooks-def.h,
        hosthooks.h, params.h, ra-colorize.c, web.c,
        config/darwin-c.c, config/alpha/freebsd.h, config/arm/pe.c,
        config/avr/avr-protos.h, config/avr/avr.md,
        config/fr30/fr30-protos.h, config/fr30/fr30.md,
        config/h8300/fixunssfsi.c, config/i386/darwin.h,
        config/i386/freebsd.h, config/i386/freebsd64.h,
        config/ia64/hpux.h, config/ia64/unwind-ia64.c,
        config/ip2k/libgcc.S, config/m32r/xm-m32r.h,
        config/mmix/mmix-modes.def, config/ns32k/netbsd.h,
        config/ns32k/ns32k.md, config/pa/pa64-hpux.h,
        config/pa/pa64-regs.h, config/rs6000/aix41.h,
        config/rs6000/aix43.h, config/rs6000/host-darwin.c,
        config/sparc/aout.h, config/sparc/freebsd.h,
        config/sparc/litecoff.h, config/vax/vax-protos.h,
        doc/hostconfig.texi, doc/include/gcc-common.texi: Update
        copyright.

2004-03-15  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (thumb_expand_prologue): Tie prologue insns to fp.

2004-03-15  Gabriel Dos Reis  <gdr@integrable-solutions.net>

        * c-pretty-print.c (pp_c_semicolon): Fix formatting.
        (pp_c_cv_qualifier): Document.
        (pp_c_space_for_pointer_operator): Likewise.
        (pp_c_integer_constant): Likewise.
        (pp_c_identifier): Likewise.
        (pp_c_init_declarator): Don't print function body.

2004-03-14  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/contrib.texi, doc/extend.texi, doc/gcov.texi,
        doc/install.texi, doc/invoke.texi, doc/makefile.texi,
        doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi: Capitalize
        "gcc", "g++" and "g77" or mark up with appropriate markup.  Adjust
        wording and grammar.

2004-03-14  Roger Sayle  <roger@eyesopen.com>

        * alias.c (get_alias_set): Replace calls via (*lang_hooks.foo) ()
        with lang_hooks.foo ().
        * builtins.c (expand_builtin_va_arg): Likewise.
        * c-common.c (fname_as_string, c_common_truthvalue_conversion,
        c_common_type_for_mode, c_common_nodes_and_builtins,
        handle_mode_attribute, handle_vector_size_attribute): Likewise.
        * c-convert.c (convert): Likewise.
        * c-format.c (check_format_types): Likewise.
        * c-objc-common.c (c_tree_printer): Likewise.
        * c-typeck.c (build_unary_op, build_conditional_expr,
        build_binary_op): Likewise.
        * calls.c (try_to_integrate, expand_call,
        emit_library_call_value_1): Likewise.
        * cgraph.c (cgraph_node_name, cgraph_function_possibly_inlined_p):
        Likewise.
        * cgraphunit.c (record_call_1, cgraph_analyze_function,
        cgraph_expand_function): Likewise.
        * convert.c (convert_to_pointer, convert_to_integer): Likewise.
        * coverage.c (build_fn_info_type, build_ctr_info_type,
        build_gcov_info, create_coverage): Likewise.
        * dbxout.c (dbxout_init): Likewise.
        * diagnostic.c (diagnostic_report_current_function): Likewise.
        * dojump.c (do_jump): Likewise.
        * dwarf2out.c (dwarf2_name): Likewise.
        * except.c (init_eh): Likewise.
        * explow.c (expr_size, int_expr_size): Likewise.
        * expmed.c (make_tree, const_mult_add_overflow_p, expand_mult_add):
        Likewise.
        * expr.c (store_expr, store_constructor, safe_from_p,
        expand_expr_real, do_store_flag, try_casesi): Likewise.
        * function.c (push_function_context_to, pop_function_context_from,
        free_after_parsing, assign_stack_local_1, assign_stack_temp_for_type,
        put_var_into_stack, allocate_struct_function, current_function_name):
        Likewise.
        * integrate.c (copy_decl_for_inlining, expand_inline_function):
        Likewise.
        * langhooks.c (lhd_clear_binding_stack, write_global_declarations,
        lhd_print_error_function): Likewise.
        * opts.c (handle_option, decode_options): Likewise.
        * passes.c (open_dump_file): Likewise.
        * print-tree.c (print_node): Likewise.
        * stmt.c (expand_fixup, fixup_gotos, expand_asm_operands,
        expand_decl_cleanup, emit_case_nodes): Likewise.
        * stor-layout.c (variable_size): Likewise.
        * toplev.c (announce_function, wrapup_global_declarations,
        check_global_declarations, compile_file, default_tree_printer,
        process_options, lang_dependent_init, finalize): Likewise.
        * tree-dump.c (dequeue_and_dump): Likewise.
        * tree-inline.c (remap_decl, remap_block, copy_body_r,
        initialize_inlined_parameters, declare_return_variable,
        inlinable_function_p, expand_call_inline, optimize_inline_calls,
        walk_tree, copy_tree_r): Likewise.
        * tree-optimize.c (tree_rest_of_compilation): Likewise.
        * tree.c (decl_assembler_name, tree_size, size_in_bytes, staticp,
        unsafe_for_reeval, get_unwidened, get_narrower, get_callee_fndecl,
        variably_modified_type_p, dump_tree_statistics): Likewise.
        * varasm.c (assemble_variable, compare_constant, copy_constant,
        force_const_mem, compute_reloc_for_constant, output_constant,
        output_addressed_constants, initializer_constant_valid_p): Likewise.

2004-03-14  Kelley Cook  <kcook@gcc.gnu.org>

        * doc/install.texi: Make autoconf 2.13 the exception, not the rule.

2004-03-14  Andreas Tobler  <a.tobler@schweiz.ch>

        * doc/install.texi: Reflect autoconf and automake version for
        libffi. Update autoconf version to 2.59.

2004-03-13  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (negate_expr, operand_equal_for_comparison_p,
        optimize_bit_field_compare, decode_field_reference, all_ones_mask_p,
        make_range, build_range_check, fold_range_test, unextend,
        constant_boolean_node, fold_binary_op_with_conditional_arg,
        fold_truthop, fold_mathfn_compare, fold_inf_compare,
        fold_single_bit_test, fold): Replace calls via (*lang_hooks.foo) ()
        with lang_hooks.foo ().

2004-03-14  Richard Earnshaw  <rearnsha@arm.com>

        * arm.h (EXTRA_CONSTRAINT_STR_ARM): Update comment.

2004-03-13  Dara Hazeghi  <dhazeghi@yahoo.com>

        * doc/install.texi: Note status of -fnew-ra.

2004-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR middle-end/14470
        * expr.c (store_expr): Call emit_queue before generating the move
        from the temporary to the original target.  Protect the temporary
        from emit_queue.

2004-03-13  Jakub Jelinek  <jakub@redhat.com>

        PR target/14533
        * config/s390/s390.c (legitimize_pic_address): Don't abort on UNSPEC
        other than UNSPEC_GOTOFF.

2004-03-13  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_legitimate_address_p): New argument, OUTER.  Pass through
        to arm_legitimate_index_p.  Update all callers with SET as default
        value.
        (arm_legitimate_index_p): New argument, OUTER.  Restrict the index
        range if OUTER is a sign-extend operation on QImode.  Correctly
        reject shift operations on sign-extended QImode addresses.
        (bad_signed_byte_operand): Delete.
        (arm_extendqisi_mem_op): New function.
        * arm.h (EXTRA_CONSTRAINT_ARM): Delete.  Replace with...
        (EXTRA_CONSTRAINT_STR_ARM): ... this.  Handle extended address
        constraints.
        (CONSTRAINT_LEN): New.
        (EXTRA_CONSTRAINT): Delete.  Replace with...
        (EXTRA_CONSTRAINT_STR): ... this.
        (PREDICATE_CODES): Remove bad_signed_byte_operand.
        * arm.md (extendqihi_insn): Use new constraint Uq.  Rework.  Length
        is now always default.
        (define_splits for bad sign-extend loads): Delete.
        (arm_extendqisi, arm_extendqisi_v5): Likewise.
        * arm/vfp.md (arm_movsi_vfp, arm_movdi_vfp, movsf_vfp, movdf_vfp):
        Rework 'U' constraint to 'Uv'.
        * arm-protos.h: Remove bad_signed_byte_operand.  Add
        arm_extendqisi_mem_op.
        * doc/md.texi (ARM constraints): Rename VFP constraint (now Uv).
        Add Uq constraint.

2004-03-13  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (rs6000_va_arg): Replace SPLIT_COMPLEX_ARGS
        with targetm version.

        PR target/14567
        * config/rs6000/rs6000.h (UNITS_PER_ARG, RS6000_ARG_SIZE): Delete.
        (HARD_REGNO_MODE_OK): Disallow TFmode for fp31.
        * config/rs6000/rs6000.c (rs6000_arg_size): New function.
        Update all users of RS6000_ARG_SIZE.
        (function_arg_advance): Count fregno using mode size.
        (function_arg): Handle long double split over regs and memory.
        (function_arg_partial_nregs): Likewise.
        (rs6000_va_arg): Repackage complex args.

2004-03-13  Dean Ferreyra <dferreyra@igc.org>

        PR target/14047
        * config/avr/avr.c (avr_progmem_p): Add "attributes" parameter.
        (avr_insert_attributes): Pass "attributes" to avr_progmem_p.
        * config/avr/avr-protos.h (avr_progmem_p): Change prototype.

2004-03-12  Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/rs6000-protos.h (rs6000_output_dwarf_dtprel): Add
        prototype.
        * config/rs6000/rs6000.c (rs6000_output_dwarf_dtprel): New.
        * config/rs6000/rs6000.h (ASM_OUTPUT_DWARF_DTPREL): Define.

2003-03-12  Andrew Pinski  <apinski@apple.com>

        * config/rs6000/host-darwin.c (darwin_rs6000_gt_pch_use_address):
        Use ret instead of result. Use addr instead of base.

2004-03-12  David Edelsohn  <edelsohn@gnu.org>

        * doc/install.texi (*-ibm-aix*): Document assembler and achiver
        fixes required by libstdc++ and update installation instructions
        for libstdc++.a.

2004-03-12  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/winnt.c (i386_pe_strip_name_encoding_full): Strip
        leading '@' on fastcall symbols before stripping suffix.

2004-03-12  Roger Sayle  <roger@eyesopen.com>

        * combine.c (unmentioned_reg_p): New function to check whether an
        expression is a "specialization" of another, i.e. that there are
        no registers or memory references mentioned in the first that don't
        appear in the second.
        (unmentioned_reg_p_1): New helper subroutine of unmentioned_reg_p.
        (combine_instructions): Also try combining instructions using the
        REG_EQUAL note from a preceding log-linked instruction.

2004-03-12  Roger Sayle  <roger@eyesopen.com>

        * config/i386/i386.c (ix86_split_ashrdi): Optimize shift by 63.

2004-03-12  Matt Austern  <austern@apple.com>

        * target.h (struct gcc_target): New target hook, unwind_label.
        * target-def.h (TARGET_ASM_EMIT_UNWIND_LABEL): New hook.
        * output.h (default_emit_unwind_label): New function.
        * default.h (TARGET_EXPLICIT_INSTANTIATIONS_ONE_ONLY): New macro.
        (TARGET_USES_WEAK_UNWIND_INFO): New target macro.
        (TARGET_SUPPORTS_HIDDEN): New target macro.
        * dwarf2out.c (struct dw_fde_struct): Add field for function decl
        that corresponds to this FDE.
        (FRAME_BEGIN_LABEL): Allow target to override default label.
        (output_call_frame_info): If FDEs are linknonce, then use extra
        indirection for FDE encoding, output a label for each FDE, and
        output an empty label for each function without an FDE.
        (dwarf2out_begin_prologue): Set up decl field when creating an FDE.
        * varasm.c (globalize_decl): Call ASM_MAKE_LABEL_LINKONCE for
        decls with DECL_ONE_ONLY set, if that macro is defined.
        (make_decl_one_only): Don't use DECL_COMMON if we're compiling
        for a SUPPORTS_ONE_ONLY target.
        * config/darwin-protos.h (darwin_unique_section): Declare.
        (darwin_asm_named_section): Likewise.
        (darwin_section_type_flags): Likewise.
        (darwin_non_lazy_pcrel): Likewise.
        (darwin_emit_unwind_label): Likewise.
        (darwin_make_decl_one_only): Likewise.
        * config/darwin.c (machopic_finish): Get rid of tweak that
        eliminate stubs for symbols that are defined.
        (darwin_encode_section_info): Don't treat weak functions as defined.
        (darwin_make_decl_one_only): Define.
        (darwin_asm_named_section): Likewise.
        (darwin_section_type_flags): Likewise.
        (darwin_unique_section): Likewise.
        (darwin_emit_unwind_label): Likewise.
        (darwin_non_lazy_pcrel): Likewise.
        (darwin_asm_output_dwarf_delta): Difference between two labels is
        local only if both labels are local.
        * config/darwin.h (MAKE_DECL_ONE_ONLY): Define.
        (ASM_MAKE_LABEL_LINKONCE): Likewise.
        (TARGET_SUPPORTS_HIDDEN): Likewise.
        (TARGET_USES_WEAK_UNWIND_INFO): Likewise.
        (TARGET_EXPLICIT_INSTANTIATIONS_ONE_ONLY): Likewise.
        (FRAME_BEGIN_LABEL): Likewise.
        (ASM_DECLARE_OBJECT_NAME): Make references to weak symbols indirect.
        (ASM_DECLARE_FUNCTION_NAME): Likewise.
        (darwin_eh_frame_section): Give __eh_frame section the coalesced flag.
        (TARGET_ASM_UNIQUE_SECTION): Define.
        (EH_FRAME_SECTION_NAME): Define.
        (EH_FRAME_SECTION_ATTR): Likewise.
        (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
        (TARGET_ASM_NAMED_SECTION): Likewise.
        (TARGET_SECTION_TYPE_FLAGS): Likewise.
        * doc/tm.texi: Document TARGET_USES_WEAK_UNWIND_INFO,
        TARGET_EXPLICIT_INSTANTIATIONS_ONE_ONLY, TARGET_SUPPORTS_HIDDEN,
        TARGET_ASM_EMIT_UNWIND_LABEL.

2004-03-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (expand_builtin_mathfn): Add pow10* to the
        existing exp10* case.
        (expand_builtin): Likewise.

2004-03-12  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/tm.texi (registers) <Values in Registers>: Add
        entry for REGMODE_NATURAL_SIZE.

2004-03-12  Richard Henderson  <rth@redhat.com>

        PR target/14547
        * target.h (struct gcc_target): Move calls substructure before
        booleans.  Add split_complex_arg.
        * function.c (assign_parms, split_complex_args): Use it.
        * calls.c (expand_call): Likewise.
        (split_complex_values): Likewise.  Check for splittable types
        before allocating memory.
        (split_complex_types): Likewise.
        * system.h (SPLIT_COMPLEX_ARGS): Poison.
        * expr.h (SPLIT_COMPLEX_ARGS): Remove.
        * target-def.h (TARGET_SPLIT_COMPLEX_ARG): New.
        * config/alpha/alpha.c (alpha_split_complex_arg): New.
        (TARGET_SPLIT_COMPLEX_ARG): New.
        * config/alpha/alpha.h (SPLIT_COMPLEX_ARGS): Remove.
        * config/rs6000/rs6000.c (TARGET_SPLIT_COMPLEX_ARG): New.
        (rs6000_override_options): Zap it for non-AIX.
        (rs6000_function_value): Use targetm.calls.split_complex_arg.
        * config/rs6000/rs6000.h (SPLIT_COMPLEX_ARGS): Remove.
        * config/xtensa/xtensa.c (TARGET_SPLIT_COMPLEX_ARG): New.
        * config/xtensa/xtensa.h (SPLIT_COMPLEX_ARGS): Remove.
        * doc/tm.texi (TARGET_SPLIT_COMPLEX_ARG): Modify from old
        SPLIT_COMPLEX_ARGS entry.

2004-03-11  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (xfloating_ops, vax_cvt_ops): New.
        (alpha_lookup_xfloating_lib_func): Use them, return rtx.
        (alpha_emit_xfloating_arith): Update to match.
        (alpha_emit_xfloating_compare): Likewise.
        (alpha_emit_xfloating_cvt): Likewise.
        (alpha_emit_xfloating_libcall): Take already built symbol,
        mark call const.
        * config/alpha/alpha.md (extendsftf2, extenddftf2): Take
        op1 in a register.

2004-03-11  Richard Henderson  <rth@redhat.com>

        PR target/14539
        * config/alpha/alpha.h (STACK_BOUNDARY): Set to 128.

        * simplify-rtx.c (simplify_relational_operation): Fix typo.

2004-03-11  Richard Henderson  <rth@redhat.com>

        PR middle-end/14477
        * except.c (remove_unreachable_regions): Look thru CALL_PLACEHOLDER.

2004-03-11  Ulrich Weigand  <uweigand@de.ibm.com>

        PR target/14262
        * calls.c (load_register_parameters): If BLOCK_REG_PADDING is not
        defined, pass small BLKmode values in registers in the low-order part.

2004-03-11  Ulrich Weigand  <uweigand@de.ibm.com>

        * combine.c (if_then_else_cond): Check for NULL return value of
        simplify_gen_subreg.

2004-03-11  Richard Sandiford  <rsandifo@redhat.com>

        PR target/14496
        * config/mips/mips.h (UNITS_PER_FPVALUE): Fix value for
        TARGET_SINGLE_FLOAT.

2004-03-11  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/hpux.h (TARGET_INIT_LIBFUNCS): Add undef.
        * config/ia64/ia64.h (TARGET_INIT_LIBFUNCS): Add define.
        * config/ia64/ia64.c (ia64_init_libfuncs): New.
        (ia64_hpux_init_libfuncs): Add call to ia64_init_libfuncs.

2004-03-11  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (negate_expr_p) <RSHIFT_EXPR>: We can optimize
        -((int)X>>C) where C is an integer constant one bit less than the
        size of X into (unsigned)X>>C.  Similarly for unsigned->signed.
        (negate_expr) <RSHIFT_EXPR>: Implement the above transformations.

        * simplify-rtx.c (simplify_unary_operation): Also implement the
        above transformations at the RTL level.

2004-03-11  Alan Modra  <amodra@bigpond.net.au>

        * real.c (encode_ibm_extended): Do round low word.

2004-03-11  Ben Elliston  <bje@wasabisystems.com>

        * config/arm/arm.md (is_xscale): Comment this attribute and move
        it a bit further up in the file, closer to related attributes.

2004-03-11  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/host-solaris.c (sol_gt_pch_use_address): Add
        missing terminating marker to comment.

2004-03-11  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md: Use move_operand in splitters for 64-bit moves.
        (movdi, movsi, movhi, movqi, movsf, movdf): Remove predicates.
        (*movdi_32bit_mips16, *movsi_mips16, *movhi_mips16, *movqi_mips16)
        (*movsf_mips16, *movdf_mips16):  Name unnamed patterns.  Use
        move_operand as source predicate in all cases.
        (*movdi_32bit): Renamed from movdi_internal.  Remove 'F' constraint.
        Test reg_or_0_operand.  Use move_operand as source predicate.
        (*movdi_64bit): Renamed from movdi_internal2.  Test reg_or_0_operand.
        (*movdi_64bit_mips16): Renamed from movdi_internal2_mips16.
        (*movsi_internal): Renamed from movsi_internal.  Test reg_or_0_operand.
        (movhi, movqi, movsf, movdf): Use mips_legitimize_move.
        (*movhi_internal): Renamed from movhi_internal.  Test reg_or_0_operand.
        Use move_operand as source predicate.  Remove 'K' constraint.
        (*movqi_internal): Likewise movqi_internal.
        (*movsf_hardfloat): Renamed from movsf_internal1.  Test
        reg_or_0_operand.  Use move_operand as source predicate.
        (*movsf_softfloat): Likewise movsf_internal2.
        (*movdf_hardfloat_64bit): Likewise movsf_internal1a.
        (*movdf_hardfloat_32bit): Likewise movsf_internal1b.
        (*movdf_softfloat): Likewise movdf_internal2.
        * config/mips/mips.c (move_operand): Match arbitrary CONST_INTs
        for DImode if !TARGET_64BIT.
        (mips_legitimize_move): Simplify accordingly.

2004-03-11  Josef Zlomek  <zlomekj@suse.cz>

        PR/14362
        * var-tracking.c (struct variable_def): Added field refcount.
        (variable_htab_free): Decrease the refcount and delete variable
        only if there are no more references.
        (unshare_variable): New function.
        (vars_copy_1): Increase refcount instead of copying the variable.
        (variable_union): Share the variables where possible, unshare
        the variables if needed.
        (variable_different_p): Return false if var1 and var2 are
        the same structure.
        (variable_was_changed): Init the refcount of new variable.
        (set_frame_base_location): Unshare variable if needed.
        (set_variable_part): Init the refcount of new variable.
        Unshare the variables if needed.
        (delete_variable_part): Unshare the variables if needed.
        (emit_notes_for_differences_1): Init the refcount of new variable.
        (vt_add_function_parameters): Do not add function parameters to
        IN set of ENTRY_BLOCK_PTR because it is unused anyway.
        (vt_initialize): Do not add frame_base_decl to IN set of
        ENTRY_BLOCK_PTR because it is unused anyway.

2004-03-11  Josef Zlomek  <zlomekj@suse.cz>

        * var-tracking.c (vars_copy_1): Cleanup and speedup chain operations.
        (vars_copy): Likewise.
        (variable_union): Likewise.
        (set_variable_part): Likewise.
        (delete_variable_part): Likewise.

2004-03-11  Kazu Hirata  <kazu@cs.umass.edu>

        * c-typeck.c, combine.c, cse.c, dominance.c, et-forest.h,
        ggc-page.c, var-tracking.c, config/fp-bit.c, config/c4x/c4x.c,
        config/cris/cris.c, config/i386/ppro.md, config/i860/i860.c,
        config/i860/i860.h, config/m32r/m32r.h, config/m32r/xm-m32r.h,
        config/m68hc11/m68hc11.h, config/m68hc11/m68hc11.md,
        config/mips/mips.c, config/mmix/mmix.c, config/ns32k/ns32k.h,
        config/pa/pa.c, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
        config/pdp11/pdp11.h, config/rs6000/rs6000.c,
        config/stormy16/stormy16.c: Fix comment typos and formatting.

2004-03-11  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure: Regenerate, since I forgot to while committing Paolo's
        changes.

2004-03-08  Paolo Bonzini  <bonzini@gnu.org>

        PR ada/14131
        Move language detection to the top level.
        * configure.ac: Remove code to detect languages,
        it now lives exclusively in the top level.
        * aclocal.m4 (gcc_AC_PROG_GNAT): Moved to the
        top level, renamed to ACX_PROG_GNAT.

2004-03-10  Richard Henderson  <rth@redhat.com>

        * c-pch.c (c_common_no_more_pch): Update for gt_pch_use_address
        extra arguments.
        * config.host (*-*-solaris2*, *-*-linux*): Add out_host_hook_obj
        and host_xmake_file fragments.
        * ggc-common.c (gt_pch_save): Update for gt_pch_get_address change.
        (gt_pch_restore): Similarly for gt_pch_use_address.
        (default_gt_pch_get_address): New.
        (mmap_gt_pch_get_address): Split out of gt_pch_save.
        (default_gt_pch_use_address): Split out of gt_pch_restore.
        (mmap_gt_pch_use_address): Likewise.
        * hooks.c (hook_voidp_size_t_null): Remove.
        (hook_bool_voidp_size_t_false): Remove.
        * hooks.h: Likewise.
        * hosthooks-def.h (HOST_HOOKS_GT_PCH_GET_ADDRESS): Use one of the
        default_ or mmap_ definitions.
        (HOST_HOOKS_GT_PCH_USE_ADDRESS): Likewise.
        * hosthooks.h (struct host_hooks): Update gt_pch_get_address
        and gt_pch_use_address.
        * config/host-linux.c, config/host-solaris.c: New files.
        * config/x-linux, config/x-solaris: New files.
        * config/rs6000/host-darwin.c (darwin_rs6000_gt_pch_get_address):
        Update for changed definition.
        (darwin_rs6000_gt_pch_use_address): Likewise.
        * doc/hostconfig.texi: Update docs.

2004-03-10  Richard Henderson  <rth@redhat.com>

        PR c/14517
        * c-decl.c (grokdeclarator): Don't warn for duplicate qualifiers
        except for pedantic c90 mode.

2004-03-10  Kelley Cook  <kcook@gcc.gnu.org>

        * configure.ac: Bump AC_PREREQ to 2.59.
        * configure: Regenerate.

2004-03-10  Uros Bizjak  <uros@kss-loka.si>

        * optabs.h (enum optab_index): Add new OTI_exp10 and OTI_exp2.
        (exp10_optab, exp2_optab): Define corresponding macros.
        * optabs.c (init_optabs): Initialize exp10_optab and exp2_optab.
        * genopinit.c (optabs): Implement exp10_optab and exp2_optab
        using exp10?f2 and exp2?f2 patterns.
        * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_EXP10{,F,L}
        using exp10_optab, and BUILT_IN_EXP2{,F,L} using exp2_optab.
        (expand_builtin): Expand BUILT_IN_EXP10{,F,L} and BUILT_IN_EXP2{,F,L}
        using expand_builtin_mathfn if flag_unsafe_math_optimizations is set.

        * config/i386/i386.md (exp10sf2, exp10df2, exp10xf2, exp2sf2,
        exp2df2, exp2xf2): New patterns to implement exp10, exp10f, exp10l,
        exp2, exp2f and exp2l built-ins as inline x87 intrinsics.

2004-03-10  Anthony Green  <green@redhat.com>

        * doc/invoke.texi (ARM Options): Fix -mpfu typo.

2004-03-10  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/aix.h (TARGET_OS_CPP_BUILTINS): Rename to ...
        (TARGET_OS_AIX_CPP_BUILTINS): this.  Conditionally define
        __LONGDOUBLE128.
        * config/rs6000/aix41.h (TARGET_OS_CPP_BUILTINS): Use
        TARGET_OS_AIX_CPP_BUILTINS.
        * config/rs6000/aix43.h (TARGET_OS_CPP_BUILTINS): Same.
        * config/rs6000/aix51.h (TARGET_OS_CPP_BUILTINS): Same.
        * config/rs6000/aix52.h (TARGET_OS_CPP_BUILTINS): Same.
        * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Revert
        previous change.

2004-03-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * fold-const.c (tree_expr_nonnegative_p): Add more builtin cases.

2004-03-10  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
        __LONGDOUBLE128 on AIX.

2004-03-10  Andrew Haley  <aph@redhat.com>

        PR optimization/14381
        * function.c (expand_function_end): Emit a blockage insn before
        the epilogue when -fnon-call-exceptions is used.

        * except.c (expand_start_all_catch): Make comment more accurate.

2004-03-08  Joel Sherrill  <joel@oarcorp.com>

        PR target/14480
        * config/rs6000/t-rtems: Add missing file on branch.

2004-03-10  Ulrich Weigand  <uweigand@de.ibm.com>

        * dbxout.c (dbxout_symbol_location): Do not output references
        to optimized-out constant pool symbols.

2004-03-10  Andreas Schwab  <schwab@suse.de>

        * config/ia64/ia64.md (divsi3, udivsi3): Remove unused variable
        twon34_r.

2004-03-09  James E Wilson  <wilson@specifixinc.com>

        * alias.c (alias_sets_might_conflict_p): New.
        * c-typeck.c (build_c_cast): Call it if warn_strict_aliasing > 1.
        * common.opt (Wstrict-aliasing=): New.
        * flags.h (warn_strict_aliasing): Change type to int.
        * opts.c (warn_strict_aliasing): Change type to int.
        (common_handle_option): Handle OPT_Wstrict_aliasing_.
        * tree.h (alias_sets_might_conflict_p): Declare it.
        * doc/invoke.tex (-Wstrict-aliasing=2): Document it.

2004-03-10  Roman Zippel  <zippel@linux-m68k.org>

        PR bootstrap/12371
        * config/m68k/m68k.h (FIXED_REGISTERS): Add arg pointer.
        (CALL_USED_REGISTERS): Likewise.
        (REG_CLASS_CONTENTS): Likewise.
        (REG_ALLOC_ORDER): New.
        (REGNO_REG_CLASS): Use regno_reg_class.
        * config/m68k/m68k.c: Add regno_reg_class array.

2004-03-09  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.md (divsi3): Fix algorithm.
          (udivsi3): Ditto.
          (setf_exp_xf): Remove '*' from name.
        * testsuite/gcc.dg/20040309-1.c: New test.

2004-03-09  Ian Lance Taylor  <ian@wasabisystems.com>

        * system.h (SUNOS4_SHARED_LIBRARIES): Poison.
        * collect2.c: Remove SUNOS4_SHARED_LIBRARIES code.
        * config/sparc/aout.h (TARGET_ASM_SELECT_SECTION): Don't define.
        * config/sparc/sparc.c (sparc_aout_select_section): Remove.
        (sparc_aout_select_rtx_section): Don't check
        SUNOS4_SHARED_LIBRARIES.
        * config/sparc/sparc.h (SUNOS4_SHARED_LIBRARIES): Don't define.

2004-03-10  Hans-Peter Nilsson  <hp@axis.com>

        PR other/14474
        * doc/md.texi (Pattern Ordering, Dependent Patterns)
        (Jump Patterns, Looping Patterns): Wrap in separate "@ifset
        INTERNALS".

2004-03-09  Zack Weinberg  <zack@codesourcery.com>

        * config/ia64/hpux.h (MULTILIB_DEFAULTS): Define.
        (LIBGCC_SPEC): Update to match.

2004-03-09  Zack Weinberg  <zack@codesourcery.com>

        * c-decl.c (last_function_parms, last_function_parm_tags)
        (last_function_parm_others, current_function_parms)
        (current_function_parm_tags, current_function_parm_others):
        Delete.
        (ARG_INFO_PARMS, ARG_INFO_TAGS, ARG_INFO_TYPES, ARG_INFO_OTHERS):
        New macros.
        (grokdeclarator): For function definitions, save the arg-info
        block from the declarator in DECL_ARGUMENTS.
        (grokparms): Do not write to last_function_parm*.  Use ARG_INFO_*
        macros to operate on arg-info block.  Can assume ARG_INFO_PARMS
        contains only PARM_DECLs.  Improve diagnostics.
        (get_parm_info): Use ARG_INFO_* macros.  Improve comments and
        diagnostics.  Disable some expensive checks if not ENABLE_CHECKING.
        (store_parm_decls_newstyle): Take the function to operate on,
        and an arg-info block, as arguments; don't get anything from
        current_function_* globals.
        (store_parm_decls_oldstyle): Likewise.
        (store_parm_decls): Pass fndecl and its arg-info block down to
        store_parm_decls_newstyle/oldstyle.  Send functions with empty
        argument lists through store_parm_decls_newstyle to reduce
        overhead.
        (pushdecl): Comment on the problems with the call to copy_node.
        Clear DECL_ARGUMENTS of the old node after copying it, if it
        is an arg-info block instead of a chain of decls.
        (start_function): Do not manipulate current_function_parm* or
        last_function_parm*.

2004-03-09  Roger Sayle  <roger@eyesopen.com>
            Andrew Pinski  <pinskia@physics.uc.edu>

        * ifcvt.c (noce_try_sign_mask): New function to transform
        "x = (y < 0) ? z : 0" into the equivalent "x = (y >> C) & z".
        (noce_process_if_block): Call noce_try_sign_mask.

2004-03-09  Andrew Pinski  <apinski@apple.com>

        * c-typeck.c (tagged_types_tu_compatible_p):
        Fix typo.

2004-03-09  Roger Sayle  <roger@eyesopen.com>

        * simplify-rtx.c (simplify_const_relational_operation): New function
        renamed from simplify_relational_operation.
        (simplify_relational_operation): Change prototype to accept an
        additional mode argument.  Call simplify_const_relational_operation.
        (simplify_gen_relational): Update simplify_relational_operation call.
        (simplify_ternary_operation): Update simplify_relational_operation
        subroutine call to use simplify_const_relational_operation instead.

        * rtl.h (simplify_const_relational_operation): Prototype here.
        (simplify_relational_operation): Add addtional mode argument.

        * combine.c (combine_simplify_rtx): Update calls to
        simplify_relational_operation.
        (simplify_set): Likewise.
        (gen_binary): Likewise.
        * cse.c (fold_rtx): Likewise.
        * dojump.c (compare_from_rtx): Likewise.
        (do_compare_rtx_and_jump): Likewise.
        * integrate.c (subst_constants): Likewise.
        * unroll.c (simplify_cmp_and_jump_insns): Likewise.

2004-03-09  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m32r/m32r.md: Remove all define_peephole's.

2004-03-09  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.md: Remove trailing whitespace.

2004-03-08  Eric Christopher  <echristo@redhat.com>

        * Makefile.in (site.exp): Add libiconv variable definition.

2004-03-09  Hans-Peter Nilsson  <hp@axis.com>

        * configure: Regenerate for config/accross.m4 correction.

2004-03-08  Joel Sherrill  <joel@oarcorp.com>

        PR target/14480
        * config/rs6000/t-rtems: Add missing file on branch.

2004-03-08  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/14289
        * c-typeck.c (c_mark_addressable): A register variable should
        be considered global if its not automatic, i.e. TREE_PUBLIC,
        TREE_STATIC or DECL_EXTERNAL.
        * function.c (put_var_into_stack): Call abort when placing a
        hard register into the stack, if x_parm_reg_stack_loc is NULL.

2004-03-08  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("*extendqidi2_short_displ"): Add CC clobber.
        ("*extendqisi2_short_displ"): Likewise.

2004-03-08  Kazu Hirata  <kazu@cs.umass.edu>

        * config/pdp11/pdp11.c (comparison_operator_index): Remove.
        (comp_operator): Likewise.
        * config/pdp11/pdp11-protos.h: Remove corresponding
        prototypes.

2004-03-08  Eric Botcazou  <ebotcazou@act-europe.fr>

        * expr.c (highest_pow2_factor_for_type): Rename into
        highest_pow2_factor_for_target.  Use DECL_ALIGN instead of
        TYPE_ALIGN when the target is a COMPONENT_REF.
        (expand_assignment): Ajust call to highest_pow2_factor_for_type.

2004-03-08  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c: Formatting fix.
        (legitimate_offset_address_p): Correct offset range check.

        * config/rs6000/rs6000.c (rs6000_override_options): Don't override
        -msoft-float by -mcpu.  Consolidate similar code for MASK_MULTIPLE
        and MASK_STRING.

2004-03-07  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md (ashrdi3): Do not call ashrdi3_no_power
        for little endian.
        ("ashrdi3_no_power"): Disable for little endian.
        (ashrdi3): Same.

2004-03-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * fold-const.c (tree_expr_nonnegative_p): Reformat checks for
        builtins.

2004-03-08  Hans-Peter Nilsson  <hp@axis.com>

        PR target/14471
        * configure.ac (Target-specific assembler checks) <cris-*-*>: New
        case, checking for -no-mul-bug-abort option.
        * configure, config.in: Regenerate.
        * doc/invoke.texi (CRIS Options): Document -mmul-bug-workaround
        and -mno-mul-bug-workaround.
        * config/cris/cris.md ("smulsi3_highpart", "umulsi3_highpart")
        ("mulsidi3", "umulsidi3"): Prefix output template with "%!".
        ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3"):
        Ditto.  Make attribute "slottable" dependent on TARGET_MUL_BUG.
        * config/cris/mulsi3.asm (__Mul) [__CRIS_arch_version >= 10]: Make
        sure mulu.d is not last on cache-line.
        * config/cris/cris.h (ASM_SPEC): Translate -mno-mul-bug-workaround
        into -no-mul-bug-abort depending on HAVE_AS_MUL_BUG_ABORT_OPTION.
        (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG): New macros.
        (TARGET_SWITCHES): New options -mmul-bug-workaround and
        -mno-mul-bug-workaround.
        (TARGET_DEFAULT): Include TARGET_MASK_MUL_BUG.
        (PRINT_OPERAND_PUNCT_VALID_P): Include '!'.
        * config/cris/cris.c (cris_operand_extend_operator): Clarify
        relation to MULT in head comment.
        (cris_op_str): Abort for MULT.
        (cris_print_operand) <case '!'>: New case.

2004-03-08  Alan Modra  <amodra@bigpond.net.au>

        PR debug/11983
        * dwarf2out.c (enum dw_val_class): Rename dw_val_class_float to
        dw_val_class_vec.  Replace use throughout file.
        (dw_float_const): Delete.
        (dw_vec_const): New.
        (dw_val_struct_union): Rename val_float to val_vec.  Replace use
        throughout file.
        (add_AT_vec): Rename from add_AT_float.  Add elt_size param.
        (same_dw_val_p): Adjust vec comparison.  Use memcmp.
        (size_of_die): Adjust dw_val_class_vec sizing.
        (output_die): Output dw_val_class_vec.
        (insert_int, extract_int, insert_float): New functions.
        (add_const_value_attribute): Use insert_float for CONST_DOUBLE.
        Handle CONST_VECTOR.
        (add_location_or_const_value_attribute): Handle CONST_VECTOR.

2004-03-07  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_parse_abi_options): SPE and
        AltiVec abi cannot co-exist.

        * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Same.

2004-03-07  Jan Hubicka  <jh@suse.cz>

        * except.c (emit_to_new_bb_before):  Break fallthru edges.

2004-03-07  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.md ("*lshrsi3_const"): Disable for 68HC12.
        ("*lshrsi3"): Also accept an immediate for 68HC12.
        ("*ashrsi3_const"): Likewise.
        ("*ashrsi3"): Likewise.
        ("*ashlsi3_const"): Likewise.
        ("*ashlsi3"): Likewise.
        ("cmphi_1_hc12"): Compare two hard register by pushing them and
        comparing with a pop; don't use a split for that.
        ("cmphi split"): Disable compare split for 68HC12.

        * config/m68hc11/m68hc11.c (m68hc11_notice_update_cc): Invalidate
        the status operands if they have side effects.

2004-03-07  Kazu Hirata  <kazu@cs.umass.edu>

        * defaults.h (LEGITIMIZE_ADDRESS): Provide a default
        definition.
        * config/arc/arc.h, config/fr30/fr30.h, config/frv/frv.h,
        config/h8300/h8300.h, config/ia64/ia64.h,
        config/mcore/mcore.h, config/mmix/mmix.h,
        config/ns32k/ns32k.h, config/pdp11/pdp11.h,
        config/stormy16/stormy16.h, config/v850/v850.h,
        config/vax/vax.h (LEGITIMIZE_ADDRESS): Remove.
        * doc/tm.texi (LEGITIMIZE_ADDRESS): Mention the default
        definition.

2004-03-07  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold) <IOR_EXPR>: Fold x | x as x.
        <XOR_EXPR>: Fold x ^ x as zero.
        <AND_EXPR>: Fold x & x as x.

2004-03-07  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold) <EQ_EXPR>: Rewrite optimization to transform
        "foo++ == const" into "++foo == const+incr".

2004-03-07  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_in_small_data_p): Return false if
        TARGET_ABICALLS.

2004-03-06  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Use 2,-sp to push
        the stack register.
        (expand_prologue): Don't make an interrupt or a trap handler a far
        symbol.
        (m68hc11_initial_elimination_offset): Likewise.

2004-03-06  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_in_small_data_p): False for functions.

2004-03-06  Kazu Hirata  <kazu@cs.umass.edu>

        * config/ns32k/ns32k-protos.h: Add a prototype for
        ns32k_notice_update_cc.
        * config/ns32k/ns32k.c (ns32k_notice_update_cc): New.
        * config/ns32k/ns32k.h (NOTICE_UPDATE_CC): Call
        ns32k_notice_update_cc.

2004-03-06  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("load_multiple", "*load_multiple_di",
        "*load_multiple_si"): Allow only if reload_completed.
        ("store_multiple", "*store_multiple_di", "*store_multiple_si"):
        Likewise.

2004-03-06  Kazu Hirata  <kazu@cs.umass.edu>

        * config/vax/vax-protos.h: Add a prototype for
        vax_notice_update_cc.
        * config/vax/vax.c (vax_notice_update_cc): New.
        * config/vax/vax.h (NOTICE_UPDATE_CC): Call
        vax_notice_update_cc.

2004-03-06  David Edelsohn  <edelsohn@gnu.org>

        * collect2.c (main): Only export initfunc and finifunc if
        LD_INIT_SWITCH not defined.
        (scan_prog_file): Only export constructors and destructors if
        LD_INIT_SWITCH not defined.  Only export symbols not found in
        shared objects.

2004-03-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.md (icacheflush): Reorder operands to make match_scratch operand
        last.
        * pa.h (INITIALIZE_TRAMPOLINE): Remove unnecessary scratch argument
        from calls to gen_icacheflush.

2004-03-06  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.h (MASK_LONG_DOUBLE_128): New.
        (TARGET_LONG_DOUBLE_128): New.
        (TARGET_SWITCHES): Add long-double-{128,64}.
        (TARGET_HAS_XFLOATING_LIBS): Default to TARGET_LONG_DOUBLE_128.
        (LONG_DOUBLE_TYPE_SIZE): Honor TARGET_LONG_DOUBLE_128.
        (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New.
        (WIDEST_HARDWARE_FP_SIZE): New.
        (TARGET_CPU_CPP_BUILTINS): Define __LONG_DOUBLE_128__.
        * config/alpha/alpha.c (override_options): Clear MASK_LONG_DOUBLE_128
        if TARGET_VAX_FLOAT.
        * config/alpha/osf5.h (LONG_DOUBLE_TYPE_SIZE): Remove.
        (TARGET_DEFAULT): Set MASK_LONG_DOUBLE_128.

2004-03-06  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_swapped_comparison_operator): Fix
        botched rtx class conversion.

2004-03-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * tree.h (BUILTIN_EXP10_P, BUILTIN_EXPONENT_P, BUILTIN_SQRT_P,
        BUILTIN_CBRT_P, BUILTIN_ROOT_P): New macros.

        * builtins.c (fold_builtin_logarithm, fold_builtin): Use new
        macros.
        * fold-const.c (fold_mathfn_compare, fold): Likewise.

2004-03-06  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/14343
        * config/i386/i386.md (movv2di_internal): Conditionalize on
        TARGET_SSE, not TARGET_SSE2.

2004-03-05  Chris Demetriou  <cgd@broadcom.com>

        * config.gcc (mips64orion-*-elf*, mips64orionel-*-elf*): Delete
        duplicated line.

2004-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c: Consistently use logN not log* in comments.

2004-03-05  Andreas Krebbel  <krebbel1@de.ibm.com>

        * rtl.h (mem_expr_equal_p): Function prototype added.
        * cfgcleanup.c (merge_memattrs): New function.
        (flow_find_cross_jump): Call merge_memattrs for matching insns.
        * emit-rtl.c (mem_expr_equal_p): New function.

2004-03-05  Ziemowit Laski  <zlaski@apple.com>

        * objc/objc-act.c (synth_module_prologue): Const-qualify
        objc_selector type if using the GNU runtime; fix generated
        signatures for objc_msg_lookup and objc_msg_lookup_super
        to match what GNU ObjC headers provide; reformat and clean up.
        (synth_self_and_ucmd_args): Use previously constructed (and
        hence possibly const-qualified) objc_selector type.

2004-03-05  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/tm.texi (HARD_REGNO_RENAME_OK): Document.

2004-03-05  Jason Merrill  <jason@redhat.com>

        * tree.h (TYPE_HASH): Use TYPE_UID.
        (TREE_HASH): New macro with old definition of TYPE_HASH.
        * tree.c (build_type_attribute_variant): Use iterative_hash_object.
        (build_array_type, build_function_type): Likewise.
        (build_method_type_directly): Likewise.
        (build_offset_type, build_complex_type): Likewise.
        (type_hash_list, attribute_hash_list): Likewise. Now static.
        * except.c: s/TYPE_HASH/TREE_HASH/.

2004-03-05  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (function_arg): Handle 16-byte aligned args.
        (xtensa_va_start): Initialize __va_stk to ($arg_ptr - 32).  Adjust
        __va_ndx by 2 words when referencing an argument on the stack.
        (xtensa_va_arg): Handle 16-byte aligned args.  Adjust __va_ndx by 2
        words when an arg on the stack is first seen.

2004-03-05  Paul Brook  <paul@codesourcery.com>

        * arm.h (ARM_FLAG_VFP): Remove.
        (ARM_FLAG_ATPCS, CIRRUS_FIX_INVALID_INSNS): Renumber.
        * netbsd-elf.h (ARM_FLAG_VFP): Remove.

2004-03-05  Paul Brook  <paul@codesourcery.com>

        * function.c (assign_parms): Include pretend alignment offset.

2004-03-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * stor-layout.c (layout_type, case FUNCTION_TYPE): Make size
        FUNCTION_BOUNDARY, not POINTER_SIZE * 2.

2004-03-05  Ian Lance Taylor  <ian@wasabisystems.com>

        * configure.ac: When passing --enable-languages to subdir
        configure when host != build, make sure we don't pass an empty
        value.
        * configure: Regenerate.

2004-03-05  Nathan Sidwell  <nathan@codesourcery.com>

        PR 13577
        * gcc.c (cc1_options): Robustify -auxbase-strip from multiple -o
        options.

2004-03-05  Paolo Bonzini  <bonzini@gnu.org>

        * simplify-rtx.c (simplify_relational_operation): If
        flag_wrapv is set, do not move terms between the two
        side of a relational operator.

2004-03-05  Paolo Bonzini  <bonzini@gnu.org>

        * rtlanal.c: Include target.h and output.h
        (rtx_cost, address_cost, default_address_cost): Move from...
        * cse.c (rtx_cost, address_cost, default_address_cost):
        ... this file.
        * rtl.h (rtx_cost, address_cost): Move under rtlanal.c.
        * Makefile.in: Adjust dependencies.

2004-03-05  Paolo Bonzini <bonzini@gnu.org>

        * cse.c (cse_end_of_basic_block): Make static.
        * local-alloc.c (function_invariant_p): Move to
        reload1.c.
        * loop.c (libcall_other_reg, record_excess_regs):
        Make static.
        * reload1.c (function_invariant_p): Moved here
        from local-alloc.c, made static.
        * rtl.h (cse_end_of_basic_block, function_invariant_p,
        libcall_other_reg, record_excess_regs): Remove
        declarations.

2004-03-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m32r/m32r.c (signed_comparison_operator): Add a
        missing parenthesis.

2004-03-04  Ian Lance Taylor  <ian@wasabisystems.com>

        * ggc-common.c (gt_pch_restore): Don't unmap addr unless we are
        going to call mmap again.  Read the file into the right place.
        Give a fatal error if we have to relocate.

2004-03-04  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (xtensa_return_in_msb): New function.
        (TARGET_RETURN_IN_MSB): Define to xtensa_return_in_msb.

2004-03-05  Hans-Peter Nilsson  <hp@axis.com>

        PR other/14354
        * config/fp-bit.c (_fpdiv_parts): Do not round when pack_d would
        round the same.  When rounding, clear bits that would cause a
        second rounding in pack_d.
        (_fpmul_parts): Ditto.  Remove #if 0:d code.

2004-03-04  Ziemowit Laski  <zlaski@apple.com>

        PR c++/14425, c++/14426
        * config/rs6000/altivec.h (vec_splat_s8, vec_splat_s16,
        vec_splat_s32, vec_splat_u8, vec_splat_u16, vec_splat_u32):
        Change C++ definitions to accept a 'const int' argument;
        the prototypes already do.
        * config/rs6000/rs6000.c (rs6000_common_init_builtins):
        Rename v4si_ftype_char, v8hi_ftype_char, v16qi_ftype_char,
        v4sf_ftype_v4si_char, v4si_ftype_v4sf_char, v4si_ftype_v4si_char,
        v8hi_ftype_v8hi_char, v16qi_ftype_v16qi_char,
        v16qi_ftype_v16qi_v16qi_char, v8hi_ftype_v8hi_v8hi_char,
        v4si_ftype_v4si_v4si_char and v4sf_ftype_v4sf_v4sf_char to
        end in ..._int; change them to accept an int instead of a char
        as the last parameter.

2004-03-04  Phil Edwards  <phil@codesourcery.com>

        * genmultilib:  Change '=' to '-' when translating option names
        to directory names.

2004-03-04  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * expr.c (expand_expr_real, case COMPONENT_REF): Get proper type of
        stack slot for temp used for result of BLKmode but in integral mode.

2004-03-04  Jan Hubicka  <jh@suse.cz>

        * reload.c (find_reloads): Reorganize if seqeunce to switch.

        * cfgrtl.c (rtl_redirect_edge_and_branch):  Set the source BB as dirty.
        (cfglayout_redirect_edge_and_branch):  Set the source BB as dirty.

2004-03-04  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.md (divdf3_internal_thr): Fix algorithm.
        * testsuite/gcc.dg/20040303-1.c: New test.

2004-03-04  Steven Bosscher  <stevenb@suse.de>

        * ppro.md: Rewrite as a DFA pipeline description.
        * i386.md: Remove all uses of the ppro_uops attribute.
        * i386.c: (ix86_safe_ppro_uops, ix86_dump_ppro_packet,
        ix86_reorder_insn, ix86_sched_reorder_ppro, ix86_sched_init,
        ix86_sched_reorder, ix86_variable_issue,
        struct ix86_sched_data, TARGET_SCHED_VARIABLE_ISSUE,
        TARGET_SCHED_INIT, TARGET_SCHED_REORDER): Remove.
        (ia32_use_dfa_pipeline_interface): Add TARGET_PENTIUMPRO.
        (ia32_multipass_dfa_lookahead): Add TARGET_PENTIUMPRO.
        * athlon.md (athlon_ssecmp_load): Fix comment

2004-03-04  Stuart Hastings  <stuart@apple.com>

        * gcc/doc/invoke.texi: Document -mlongcall for Darwin/PPC.

2004-03-04  Stuart Hastings  <stuart@apple.com>

        * gcc/config/i386/darwin.h: Darwin/x86 doesn't support CPUs before
        686, tell Darwin assembler to allow prefetch insns, non-empty def
        of SUBTARGET_OPTION_TRANSLATE_TABLE.

2004-03-04  DJ Delorie  <dj@redhat.com>

        PR optimization/14282
        * sched-deps.c (sched_analyze_insn): Allow a stack adjustment
        between a call and the assignment of its return value.

2004-03-04  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c: Put a comment for every function.

2004-03-04  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Add comments about peephole2's.

2004-03-04  Steven Bosscher  <stevenb@suse.de>

        * i386.h (TARGET_CPU_DEFAULT_nocona): Fix value.

2004-03-04  Jan Hubicka  <jh@suse.cz>

        * cfgcleanup.c (thread_jump): Update call of cselib_init.
        * cselib.c (cselib_record_memory): New static variable.
        (cselib_lookup_mem, cselib_record_set, cselib_record_sets):
        Give up on memories when asked for.
        (cselib_init): Accept new argument.
        * cselib.h (cselib_init): Update prototype.
        * gcse.c (local_cprop_pass): Update call of cselib_init.
        * loop.c (load_mems): Update call of cselib_init.
        * postreload.c (reload_cse_regs_1): Update call of cselib_init.
        * sched-deps.c (sched_analyze): Update call of cselib_init.

2004-03-04  David Edelsohn  <edelsohn@gnu.org>
            GP <gp@qnx.com>

        * config/rs6000/rs6000.c (output_function_profiler): Append @plt
        when compiling PIC.

2004-03-04  Josef Zlomek  <zlomekj@suse.cz>

        PR/14362
        * var-tracking.c (track_expr_p): Do not track variables which
        should be ignored for debugging purposes.

2004-03-04  Alan Modra  <amodra@bigpond.net.au>

        * real.c (encode_ibm_extended): Don't bother rounding low double.
        * c-cppbuiltin.c (builtin_define_float_constants): Tweak MAX
        when fmt->pnan < fmt->p.

2004-03-04  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.h (FUNCTION_ARG_REGNO_P): Fix to check
        only range of valid arg registers and fixed_regs.

2004-03-04  Alan Modra  <amodra@bigpond.net.au>

        PR target/14406
        * config/rs6000/rs6000.md (abstf2, abstf2+1): Delete define_insn.
        (abstf2, abstf2_internal): New define_expand.

2004-03-04  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR optimization/14235
        * expr.c (convert_move): Copy the source to a new pseudo
        when converting from a sub-word source to a larger-than-word
        register which conflicts with the source.

2004-03-03  Zack Weinberg  <zack@codesourcery.com>

        PR 13728
        * c-decl.c (diagnose_mismatched_decls): Issue an error for two
        parameters with the same name, unless one is a forward decl.
        Do not issue a redundant-redeclaration warning for forward
        decls of parameters.

2004-03-04  David Edelsohn  <edelsohn@gnu.org>

        * doc/install.texi (*-ibm-aix*): Document use of Bash to speed up
        configuration.

2004-03-03  Ian Lance Taylor  <ian@wasabisystems.com>

        * ggc-zone.c (ggc_pch_write_object): Don't align file pointer.

2004-03-04  Alan Modra  <amodra@bigpond.net.au>

        * target-def.h (TARGET_OPTF): Delete.
        * c-opts.c (TARGET_OPTF): Define.

2004-03-04  Jan Hubicka  <jh@suse.cz>

        * cselib.c (cselib_finish): Fix another miss-application of my previous
        patch.

2004-03-03  Mike Stump  <mrs@apple.com>

        Add framework support for darwin.

        * c-incpath.c: Include target.h and machmode.h.
        (add_path): Use a consistent style for cpp_dir.  Initialize
        p->construct to 0.
        (add_cpp_dir_path): New.
        (register_include_chains): Add use of extra_includes callback.
        (hook_void_int): Add.
        (target_c_incpath): Add.
        * c-incpath.h (add_cpp_dir_path): New.
        (target_c_incpath_s): Add.
        (target_c_incpath): Add.
        (C_INCPATH_INIT): Add.
        * c-opts.c (c_common_missing_argument,
        c_common_handle_option): Add -F argument processing.
        * c.opt: Add -F argument processing.
        * gcc.c (trad_capable_cpp): Add -F argument processing.
        * cppfiles.c (find_file_in_dir): Update to use construct
        callback.
        (search_path_exhausted, cpp_get_path, cpp_get_buffer,
        cpp_get_prev): New.
        (_cpp_find_file): Use search_path_exhausted.
        (make_cpp_dir): Initialize construct to 0.
        * cpplib.h (missing_header_cb
        cpp_get_path, cpp_get_buffer, cpp_get_file, cpp_get_prev): New.
        (cpp_callbacks): Add missing_header
        (cpp_dir): Add construct.
        * target-def.h: (TARGET_OPTF): New.
        * hooks.c (hook_void_int, hook_void_charptr): Add.
        * hooks.h (hook_void_int, hook_void_charptr): Add.
        * Makefile.in (c-incpath.o) : Add $(TARGET_H) and
        $(MACHMODE_H) dependencies.
        * doc/invoke.texi (Darwin Options): Document -F.
        * doc/tm.texi (TARGET_EXTRA_INCLUDES): Add.
        (TARGET_OPTF): Add.
        * fix-header.c (target_c_incpath): Add.

        * config/darwin-c.c: Add c-incpath.h include.
        (using_frameworks, find_subframework_file,
        find_subframework_header, add_system_framework_path,
        frameworks_in_use, num_frameworks, max_frameworks,
        add_framework, find_framework, struct framework_header,
        framework_header_dirs, framework_construct_pathname,
        find_subframework_file, add_system_framework_path,
        add_framework_path, framework_defaults,
        darwin_register_frameworks, find_subframework_header): Add.
        * config/darwin.h (TARGET_EXTRA_INCLUDES, TARGET_OPTF): New.
        (TARGET_OPTION_TRANSLATE_TABLE): Add -framework support.
        (CPP_SPEC): Add __APPLE_CC__ support.
        * t-darwin (darwin-c.o): Add c-incpath.h dependency.

2004-03-04  Jan Hubicka  <jh@suse.cz>

        * cselib.c (cselib_finish): Fix miss-application of my previous
        patch.

2004-03-03  Kazu Hirata  <kazu@cs.umass.edu>

        * hooks.c (hook_tree_tree_identity): New.
        * hooks.h: Add a prototype for hook_tree_tree_identity.
        * stmt.c (expand_asm_operands): Use targetm.md_asm_clobbers
        instead of MD_ASM_CLOBBERS.
        * system.h (MD_ASM_CLOBBERS): Poison.
        * target-def.h (TARGET_MD_ASM_CLOBBERS): New.
        (TARGET_INITIALIZER): Add TARGET_MD_ASM_CLOBBERS.
        * target.h (gcc_target): Add md_asm_clobbers.
        * config/i386/i386.c (TARGET_MD_ASM_CLOBBERS): New.
        (ix86_md_asm_clobbers): New.
        * config/i386/i386.h (MD_ASM_CLOBBERS): Remove.
        * doc/tm.texi (MD_ASM_CLOBBERS): Change to
        TARGET_MD_ASM_CLOBBERS.

2004-03-03  Stuart Hastings  <stuart@apple.com>

        * gcc/config.gcc: Arrange for Darwin/x86 to build libgcc_eh.a.

2004-03-03  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (noov_compare64_op): Fix typo.

        * config/sparc/sparc.h (ASM_FLOAT): Delete.
        (ASM_DOUBLE): Likewise.
        (ASM_LONGDOUBLE): Likewise.
        * config/sparc/pbd.h (ASM_INT_OP): Delete.

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

        PR opt/13862
        * cselib.c (cselib_record_sets): Don't record multiple sets in
        asm insns.

2004-03-03  Mostafa Hagog  <mustafa@il.ibm.com>

        * common.opt: Add description of the new -fgcse-after-reload flag.

        * flags.h (flag_gcse_after_reload): Declaration of global variable.

        * gcse.c (reg_used_on_edge ,reg_set_between_after_reload_p,
        reg_used_between_after_reload_p, rtx get_avail_load_store_reg,
        is_jump_table_basic_block, bb_has_well_behaved_predecessors,
        get_bb_avail_insn, hash_scan_set_after_reload,
        compute_hash_table_after_reload, eliminate_partially_redundant_loads,
        gcse_after_reload, get_bb_avail_insn): New functions to implement
        gcse-after-reload.
        (gcse_after_reload_main): New function, the main entry point to
        gcse-after-reload.

        * rtl.h (gcse_after_reload_main): Declaration of the new function.

        * opts.c (common_handle_option): Handle the -fgcse-after-reload flag.

        * toplev.c (flag_gcse_after_reload): Initialization.

        * passes.c (rest_of_handl_gcse2): Call gcse_after_reload_main.

        * params.def (PARAM_GCSE_AFTER_RELOAD_PARTIAL_FRACTION,
        PARAM_GCSE_AFTER_RELOAD_CRITICAL_FRACTION): New parameters for tuning
        the gcse after reload optimization.

        * params.h (GCSE_AFTER_RELOAD_PARTIAL_FRACTION,
        GCSE_AFTER_RELOAD_CRITICAL_FRACTION): Two macros to access the tuning
        parameters.

        * doc/invoke.texi: Documentation for the new flag gcse-after-reload.

2004-03-03  Nicolas Pitre <nico@cam.org>

        * config/arm/ieee754-df.S (muldf3, divdf3): Fix denormalization of
        small negative values.

2004-03-03  Jan Hubicka  <jh@suse.cz>

        * cselib.c (hash_table):  Remove GTY marker.
        (reg_values): Turn into array.
        (used_regs): Likewise.
        (n_used_regs): New static variable.
        (reg_values_old): Kill.
        (clear_table): Update uses of arrays.
        (cselib_lookup): Likewise.
        (cselib_record_set): Likewise.
        (cselib_init): Likewise.
        (cselib_finish): Likewise.
        (cselib_udpate_varray_sizes): Kill.
        * cselib.h (cselib_update_varray_sizes): Kill.

2004-03-03  Paul Brook  <paul@codesourcery.com>

        * flow.c (ior_reg_cond, and_reg_cond): Remove stray ")".

2004-03-03  Jan Hubicka  <jh@suse.cz>

        * ggc-common.c (ggc_alloc_cleared_stat, ggc_realloc_stat):
        Rename from ...; make statistics transparent.
        (ggc_alloc_cleared, ggc_realloc_stat): ... these.
        (loc_descriptor): New structure.
        (hash_descriptor, eq_descriptor, loc_descriptor, cmp_statistics,
        add_statistics):
        New static function.
        (ggc_record_overhead, dump_statistics): New global function.
        * ggc-none.c (ggc_alloc_types_stat, ggc_alloc_stat, ggc_alloc_zone_stat,
        ggc_alloc_cleared_stat, ggc_realloc_stat, ggc_alloc_typed_stat): Rename
        from ...; accept locations
        (ggc_alloc_types, ggc_alloc, ggc_alloc_zone, ggc_alloc_cleared,
        ggc_realloc, ggc_alloc_typed):  ... this one.
        from ...; accept locations
        * ggc-page.c (ggc_alloc_typed_stat, ggc_alloc_zone_stat,
        ggc_alloc_stat): Rename from ... ; pass locations
        * ggc-page.c (ggc_alloc_typed, ggc_alloc_zone, ggc_alloc):
        ... this one.
        (ggc_alloc_stat): Record overehead.
        * ggc.h (ggc_alloc_types, ggc_alloc, ggc_alloc_zone, ggc_alloc_cleared,
        ggc_realloc, ggc_alloc_typed):  Turn to macros
        (ggc_alloc_types_stat, ggc_alloc_stat, ggc_alloc_zone_stat,
        ggc_alloc_cleared_stat, ggc_realloc_stat, ggc_alloc_typed_stat): Declare.
        (dump_ggc_loc_satistics, ggc_record_overehead): Declare.
        * langhooks.h (lhd_make_node): Declare.
        (LANG_HOOKS_MAKE_TYPE): Default to new function,
        * langhooks.c (lhd_make_node): New.
        * rtl.c (rtx_alloc_stat, swallow_copy_rtx_stat): Rename from ... ; pass
        locations.
        (rtx_alloc, swallow_copy_rtx): ... this one.
        * rtl.h (rtx_alloc, swallow_copy_rtx): Turn to macros.
        * rtl.c (rtx_alloc_stat, swallow_copy_rtx_stat): Declare.
        * toplpev.c (finalize): Dump stats.
        * tree.c (make_node_stat, copy_node_stat, make_tree_vec_stat,
        build_tree_list_stat, tree_cons_stat, build?_stat,  build_decl_stat):
        Rename from ... ; pass locators.
        (make_node, copy_node, make_tree_vec, build_tree_list, tree_cons,
        build?,  build_decl): Declare.
        * tree.h (make_node_stat, copy_node_stat, make_tree_vec_stat,
        build_tree_list_stat, tree_cons_stat, build?_stat,  build_decl_stat):
        Declare.
        (make_node, copy_node, make_tree_vec, build_tree_list, tree_cons,
        build?,  build_decl): New macros.
        * Makefile.in (RTL_H, TREE_H): Add statistics.h dependency.
        * statistics.h: New file.

2004-03-03  Maciej W. Rozycki  <macro@ds2.pg.gda.pl>
            Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (MASK_FIX_SB1): Bump.
        (MASK_FIX_R4400, TARGET_FIX_R4400): New macros.
        (TARGET_SWITCHES): Add -mfix-r4400 and -mno-fix-r4400.
        * config/mips/mips.c (mips_output_division): Fill the branch delay
        slot with a nop if TARGET_FIX_R4000.  Extend R4000 workarounds to
        TARGET_FIX_R4400.
        (mips_output_division): Adjust accordingly.
        (override_options): Make -march=r4400 imply -mfix-r4400 by default.
        * doc/invoke.texi: Document -mfix-r4400 and new errata workarounds.

2004-03-03  Paolo Bonzini  <bonzini@gnu.org>

        * alias.c (rtx_equal_for_memref_p): Use predicates
        to test rtx classes and new rtx class codes, possibly
        splitting conditionals that tested against '<' and 'o'.
        * caller-save.c (save_call_clobbered_regs): Likewise.
        * combine.c (contains_muldiv, find_split_point, subst,
        combine_simplify_rtx, simplify_if_then_else,
        simplify_set, simplify_logical, expand_compound_operation,
        make_compound_operation, if_then_else_cond, known_cond,
        apply_distributive_law, cached_nonzero_bits,
        cached_num_sign_bit_copies, simplify_shift_const,
        gen_binary, simplify_comparison, update_table_tick,
        record_value_for_reg, get_lsat_value_validate): Likewise.
        * cse.c (mention_regs, find_best_addr, find_comparison_args,
        fold_rtx, cse_insn, invalidate_memory, cse_basic_block):
        Likewise.
        * emit-rtl.c (copy_insn_1): Likewise.
        * expr.c (force_operand): Likewise.
        * final.c (final_scan_insn, get_mem_expr_from_op): Likewise.
        * flow.c (notice_stack_pointer_modification_1,
        invalidate_mems_from_autoinc, ior_reg_cond, not_reg_cond,
        and_reg_cond, elim_reg_cond): Likewise.
        * function.c (update_epilogue_consts): Likewise.
        * genattrtab.c (attr_rtx_1): Likewise.
        * genopinit.c (gen_insn): Likewise.
        * integrate.c (subst_constants): Likewise.
        * jump.c (reversed_comparison_code_parts,
        reversed_comparison_code, delete_related_insns,
        rtx_renumbered_equal_p): Likewise.
        * local-alloc.c (block_alloc): Likewise.
        * loop.c (rtx_equal_for_prefetch_p, maybe_eliminate_biv,
        canonicalize_condition): Likewise.
        * loop-iv.c (simplify_using_conditions, iv_number_of_iterations):
        Likewise.
        * optabs.c (add_equal_node, expand_binop): Likewise.
        * predict.c (estimate_probability): Likewise.
        * ra-debug.c (ra_print_rtx_2op, ra_print_rtx): Likewise.
        * recog.c (validate_replace_rtx_1, comparison_operator,
        offsettable_address_p, constrain_operands): Likewise.
        * reg-stack.c (swap_rtx_condition_1, subst_stack_regs_pat):
        Likewise.
        * regclass.c (scan_one_insn): Likewise.
        * regmove.c (stable_and_no_regs_but_for_p): Likewise.
        * regrename.c (kill_autoinc_value): Likewise.
        * reload.c (find_reusable_reload, find_reloads,
        reg_overlap_mentioned_for_reload_p): Likewise.
        * reload1.c (gen_reload, delete_address_reloads_1): Likewise.
        * rtl.c (copy_rtx): Likewise.
        * rtl.h (CONSTANT_P, INSN_P): Likewise.
        * rtlanal.c (commutative_operand_precedence): Likewise.
        * sched-deps.c (conditions_mutex_p): Likewise.
        * sched-rgn.c (is_cfg_nonregular): Likewise.
        * simplify-rtx.c (simplify_gen_binary,
        simplify_gen_relational, simplify_replace_rtx,
        simplify_unary_operation, simplify_binary_operation,
        simplify_ternary_operation, simplify_rtx): Likewise.
        * unroll.c (reg_dead_after_loop): Likewise.
        * config/alpha/alpha.c (alpha_swapped_comparison_operator,
        print_operand): Likewise.
        * config/arc/arc.c (proper_comparison_operator): Likewise.
        * config/arm/arm.c (arm_arm_address_cost, arm_select_cc_mode):
        Likewise.
        * config/avr/avr.c (_reg_unused_after): Likewise.
        * config/frv/frv.c (frv_ifcvt_modify_tests,
        frv_ifcvt_modify_insn, frv_pack_insn): Likewise.
        * config/i386/i386.c (ix86_comparison_operator,
        ix86_carry_flag_operator, fcmov_comparison_operator,
        arith_or_logical_operator, print_operand,
        ix86_expand_binary_operator, ix86_binary_operator_ok):
        Likewise.
        * config/i386/i386.md: Likewise.
        * config/ia64/ia64.c (not_postinc_memory_operand,
        ia64_print_operand, update_set_flags, errata_emit_nops):
        Likewise.
        * config/ia64/ia64.h (PREFERRED_RELOAD_CLASS,
        CONSTRAINT_OK_FOR_S): Likewise.
        * config/ip2k/ip2k.c (mdr_resequence_xy_yx,
        mdr_try_move_dp_reload, ip2k_check_can_adjust_stack_ref,
        ip2k_xexp_not_uses_reg_for_mem, ip2k_xexp_not_uses_reg_p,
        ip2k_composite_xexp_not_uses_reg_p, ip2k_unary_operator):
        Likewise.
        * config/iq2000/iq2000.c (cmp_op, symbolic_expression_p,
        eqne_comparison_operator, signed_comparison_operator):
        Likewise.
        * config/mips/mips.c (cmp_op, symbolic_expression_p):
        Likewise.
        * config/mmix/mmix (mmix_foldable_comparison_operator,
        mmix_comparison_operator): Likewise.
        * config/pa/pa.c (hppa_legitimize_address): Likewise.
        * config/rs6000/rs6000.c (stmw_operation,
        branch_comparison_operator, trap_comparison_operator,
        ccr_bit): Likewise.
        * config/rs6000/rs6000.h (SELECT_CC_MODE): Likewise.
        * config/s390/s390.c (s390_alc_comparison,
        s390_slb_comparison):L Likewise.
        * config/sh/sh.c (gen_block_redirect, reg_unused_after):
        Likewise.
        * config/sparc/sparc.c (eq_or_neq, normal_comp_operator,
        noov_compare_op, noov_compare64_op, v9_regcmp_op,
        emit_hard_tfmode_operation, reg_unused_after)
        * doc/md.texi, doc/rtl.texi: Likewise.

        * ra-debug.c: Add 2004 to list of copyright years.
        * unroll.c: Likewise.

        * combine.c (simplify_logical): Remove dummy test,
        (apply_distributive_law): Fix typo in comment.
        GET_CODE (x) == AND so x is a commutative binary op.
        * jump.c (delete_related_insns): simplify loop
        condition, move testing of RTX codes inside the loop.
        (rtx_renumbered_equal_p): do not use RTX_CODE.
        * rtl.c (rtx_class): Declare as enum rtx_class.
        * rtl.def (EQ, NE, UNEQ, LTGT, UNORDERED, ORDERED):
        Move to RTX_COMM_COMPARE class.
        (HIGH, SYMBOL_REF, LABEL_REF, CONST, CONST_INT, CONST_DOUBLE):
        Move to RTX_CONST_OBJ class.
        * rtl.h (enum rtx_class): New declaration,
        (RTX_OBJ_MASK, RTX_OBJ_RESULT, RTX_COMPARE_MASK,
        RTX_COMPARE_RESULT, RTX_ARITHMETIC_MASK, RTX_ARITHMETIC_RESULT,
        RTX_BINARY_MASK, RTX_BINARY_RESULT, RTX_COMMUTATIVE_MASK,
        RTX_COMMUTATIVE_RESULT, RTX_NON_COMMUTATIVE_RESULT,
        RTX_EXPR_FIRST, RTX_EXPR_LAST, UNARY_P, BINARY_P,
        ARITHMETIC_P, COMMUTATIVE_ARITHMETIC_P, COMPARISON_P,
        SWAPPABLE_OPERANDS_P, NON_COMMUTATIVE_P, COMMUTATIVE_P,
        OBJECT_P): New macros.
        * config/sparc/sparc.c (noov_compare_op): Remove register
        from parameter.

2004-03-03  Kazu Hirata  <kazu@cs.umass.edu>

        * target.h: Remove texi jargons in comments.

2004-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/lib1funcs.asm (___fixunssfsi): Change the
        threshold to 0x4f.

        Revert:
        2004-02-27  Kazu Hirata  <kazu@cs.umass.edu>
        * config/h8300/fixunssfsi.c (__fixunssfsi): Enable on H8/300
        as well.
        * config/h8300/lib1funcs.asm (___fixunssfsi): Remove.
        * config/h8300/t-h8300 (LIB1ASMFUNCS): Remove _fixunssfsi_asm.

2004-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/md.texi (cbranchmode4): New.

2004-03-02  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips16.S: Change fixsfsi and fixdfsi to
        fix_trunc.
        * config/mips/mips.c (mips_init_libfuncs): Change accordingly.
        * config/mips/t-elf (LIB1ASMFUNCS): Ditto.
        * config/mips/t-isa3264 (LIB1ASMFUNCS): Ditto.
        * config/mips/t-r3900 (LIB1ASMFUNCS): Ditto.

2004-03-02  Richard Henderson  <rth@redhat.com>

        PR middle-end/11767
        * coverage.c (coverage_counter_ref): Set MEM_NOTRAP_P.
        * optabs.c (prepare_cmp_insn): Force trapping memories to registers
        before the compare, if flag_non_call_exceptions.

2004-03-02  Richard Henderson  <rth@redhat.com>

        PR middle-end/14327
        * stmt.c (expand_computed_goto): Do do_pending_stack_adjust before
        emitting the label, not after.

2004-03-02  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c (m68hc11_addr_mode): New variable.
        (m68hc11_mov_addr_mode): Likewise.
        (m68hc11_override_options): Initialize them based on target.
        (register_indirect_p): Allow a MEM for indirect addressing modes and
        use flags to control what is allowed.
        (m68hc11_small_indexed_indirect_p): Use m68hc11_mov_addr_mode for
        supported addressing modes.
        (m68hc11_register_indirect_p): Use m68hc11_addr_mode.
        (go_if_legitimate_address_internal): Likewise.
        (m68hc11_indirect_p): Likewise and check the mode.
        (print_operand): Allow a (MEM (MEM)) and generate indirect addressing.

2004-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * builtins.c (BUILTIN_SETJMP_FRAME_VALUE): Remove.
        (expand_builtin_setjmp_setup): Use
        targetm.builtin_setjmp_frame_value instead of
        BUILTIN_SETJMP_FRAME_VALUE.
        * system.h (BUILTIN_SETJMP_FRAME_VALUE): Poison.
        * target-def.h (TARGET_BUILTIN_SETJMP_FRAME_VALUE): New.
        (TARGET_INITIALIZER): Add TARGET_BUILTIN_SETJMP_FRAME_VALUE.
        * target.h (gcc_target): Add builtin_setjmp_frame_value.
        * targhooks.c (default_builtin_setjmp_frame_value): New.
        * targhooks.h: Add a prototype for
        default_builtin_setjmp_frame_value.
        * doc/tm.texi (BUILTIN_SETJMP_FRAME_VALUE): Change to
        TARGET_BUILTIN_SETJMP_FRAME_VALUE.

2004-03-02  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.md (move peephole2): New peepholes to optimize
        sequences of moves.
        (add peepholes): New peepholes to optimize sequences adding small
        constants.
        (bset peepholes): New peepholes to transform an OR in a bset form
        (bclr peepholes): Likewise for bclr form.
        (cmp peepholes): New peepholes to avoid register copies when comparing.

2004-03-02  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.md ("*pushdi_internal"): New insn and split
        to separate push from moves.
        ("*pushdf_internal"): Likewise.
        ("*pushsf_internal"): Likewise.
        ("*pushsi_internal"): Likewise.
        ("movdi_internal"): Use define_insn_and_split; non push operand.
        ("movdf_internal"): Likewise.
        ("movsf_internal"): Likewise.
        ("movsi_internal"): Likewise.
        ("*movhi_68hc12", "*addhi3_68hc12"): Fix and tune constraints
        ("*addhi3", "*subhi3", "*andhi3_mem", "*iorhi3_mem"): Likewise.
        ("*ashlsi3_const1", "*lshrsi3_const1"): Likewise.

2004-03-02  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.md ("tstqi_z_used"): Use define_insn_and_split.
        ("cmphi_z_used", "cmpqi_z_used"): Likewise.
        ("movstrictsi", "movstricthi", "movstrictqi"): Likewise.
        ("anddi3", "andsi3", "iordi3", "iorsi3"): Likewise.
        ("xordi3", "xorsi3", "*logicalsi3_zexthi"): Likewise.
        ("*logicalsi3_zextqi", "*logicalhi3_zexthi_ashift8"): Likewise.
        ("logicalhi3_zexthi", "*logicalsi3_silshr16"): Likewise.
        ("*logicalsi3_silshl16", "*logicalsi3_silshl16_zext"): Likewise.
        ("*ashldi3_const32", "*ashldi3_const1", "addsi_silshr16"): Likewise.
        ("addsi_andshr16", "*ashlsi3_const16_zexthi"): Likewise.
        ("*lshrdi3_const32", "*lshrdi_const1"): Likewise.

2004-03-02  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.md (SOFT_TMP_REGNUM): Define.
        (SOFT_XY_REGNUM): Define.
        (cmp split): Use the above instead of hard coded numbers.
        (8-bit op split): No need to check the mode; allow Q_REG.
        (ashift split): Adjust the first operand if it uses the SP and we
        are pushing the shifted value.
        (plus shift split): Fix when a source is in register D+X.
        ("doloop_end"): Pass dummy arguments to gen_rtx_NE.

2004-03-02  Stephane Carrez  <stcarrez@nerim.fr>

        * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Fix when
        comparing with Z register.

2004-03-02  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * cfgloop.h (struct loop_desc): Removed.
        (struct loop): Fields simple, desc and has_desc removed.
        (simple_loop_p, count_loop_iterations): Declaration removed.
        * cfgloopanal.c (struct unmark_altered_insn_data): Removed.
        (unmark_altered, blocks_invariant_registers, unmark_altered_insn
        blocks_single_set_registers, invariant_rtx_wrto_regs_p_helper,
        invariant_rtx_wrto_regs_p, test_for_iteration, constant_iterations,
        simple_loop_exit_p, variable_initial_value, variable_initial_values,
        simple_condition_p, simple_increment, count_strange_loop_iterations,
        inverse, fits_in_mode_p, simple_loop_p, count_loop_iterations):
        Removed.
        * loop-iv.c (check_simple_exit, find_simple_exit): Update comments.

2004-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * genattrtab.c: Don't handle MATCH_INSN.
        * genrecog.c: Likewise.
        * gensupport.c: Likewise.
        * rtl.def (match_insn): Remove.
        * doc/md.texi (match_insn, match_insn2): Remove.

2004-03-02  Mark Mitchell  <mark@codesourcery.com>

        * doc/c-tree.texi (DECL_ASSEMBLER_NAME): Mention that using this
        macro results in memory allocation.

2004-03-02  David O'Brien  <obrien@FreeBSD.org>

        * config/freebsd-spec.h (FBSD_DYNAMIC_LINKER): Add.
        * config/alpha/freebsd.h (SUBTARGET_EXTRA_SPECS): Define
        %(fbsd_dynamic_linker),
        (LINK_SPEC): Use %(fbsd_dynamic_linker), and sync style with
        config/i386/freebsd.h
        * config/arm/freebsd.h: Ditto.
        * config/i386/freebsd.h: Ditto.
        * config/i386/freebsd64.h: Ditto.
        * config/ia64/freebsd.h: Ditto.
        * config/rs6000/sysv4.h: Ditto.
        * config/sparc/freebsd.h: Ditto.

2004-03-02  Loren James Rittle  <ljrittle@acm.org>

        * gcc/doc/install.texi (*-*-freebsd*): Update target information.

2004-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * rtl.def (define_combine): Remove.

2004-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Tweak formatting.

2004-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*cmphi_h8300): Rename to
        *cmphi_h8300_znvc.
        (*cmphi_h8300hs): Rename to *cmphi_h8300hs_znvc.

2004-03-01  Mark Mitchell  <mark@codesourcery.com>

        PR bootstrap/14356
        * gcc.c (process_command): Remove const-qualification from argv.
        (main): Likewise.

2004-03-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (pushqi1_h8300hs): Rename to
        pushqi1_h8300hs_advanced.  Adjust its caller.
        (pushhi1_h8300hs): Rename to pushhi1_h8300hs_advanced.
        Adjust its caller.

2004-03-02  Nicolas Roche  <roche@act-europe.fr>

        * Makefile.in (install-libgcc, install-multilib): Pass
        mkinstalldirs var to libgcc.mk.

2004-03-01  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (DBX_OUTPUT_STANDARD_TYPES): Poison.
        * doc/tm.texi (DBX_OUTPUT_STANDARD_TYPES): Remove.

2004-03-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (gtle_operator): Accept GT and LE.
        * config/h8300/h8300.md: Split several peephole2's, each into
        two.

2004-03-02  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * dominance.c (recount_dominator): Handle postdominators.

2004-03-01  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips-protos.h (enum mips_symbol_type): Move from mips.h.
        (NUM_SYMBOL_TYPES): Likewise.
        (SYMBOL_64_HIGH, SYMBOL_64_MID, SYMBOL_64_LOW): New symbol types.
        (mips_unspec_address): Declare.
        (mips_gotoff_page, mips_gotoff_global): Delete.
        * config/mips/mips.h (PREDICATE_CODES): Add general_symbolic_operand.
        * config/mips/mips.c (enum mips_symbol_type, NUM_SYMBOL_TYPES): Delete.
        (mips_symbolic_constant_p, mips_symbolic_address_p)
        (mips_symbol_insns): Handle new symbol types.
        (general_symbolic_operand): New predicate.
        (mips_unspec_address): Make extern.
        (mips_gotoff_page, mips_gotoff_global): Delete.
        (override_options): Allow -mabi=64 -mno-abicalls -mexplicit-relocs.
        Handle new symbol types.
        * config/mips/mips.md (*lea_high64, *lea64): New patterns.
        (*xgot_hi[sd]i, *xgot_lo[sd]i, *got_disp[sd]i, *got_disp[sd]i): Call
        mips_unspec_address directly.
        * doc/invoke.texi: Remove the -mabi=64 -mno-abicalls exception from
        the documentation of -mexplicit-relocs.

2004-03-01  Jeff Law  <law@redhat.com>

        * fold-const.c (fold): An equality comparison of a non-weak object
        against zero has a known result.  Similarly an equality comparison
        of the address of two non-weak, unaliased symbols has a known result.

        * ggc-page.c (struct page_entry): New field PREV.
        (ggc_alloc): Update PREV field appropriately.
        (sweep_pages): Likewise.
        (ggc_free): Likewise.  Use PREV field rather than loop to
        improve ggc_free performance.

2004-03-01  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_output_division): Use the division
        instruction to fill the delay slot of a zero check.
        (mips_idiv_insns): Adjust accordingly.

2004-03-01  Nathanael Nerode  <neroden@gcc.gnu.org>

        * config.gcc: Create a default tmake_file for linux, and use
        it in all but two linux clauses.  Comment those two.

2004-03-01  Paolo Bonzini  <bonzini@gnu.org>

        * combine.c (try_combine):  Do not refer to is_replaced.
        (gen_lowpart_for_combine):  Perverse subregs now have a
        more politically correct name.
        * cse.c (cse_insn): Likewise.
        * jump.c: Fix bogus reference to delete_insn.

2004-02-29  Mark Mitchell  <mark@codesourcery.com>

        PR debug/14328
        * dwarf2out.c (gen_enumeration_type_die): Output all enumeration
        constants as signed values.

        PR middle-end/13448
        * c-tree.h (readonly_warning): Rename to ...
        (readonly_error): ... this.
        * c-typeck.c (build_unary_op): Adjust accordingly.
        (readonly_warning): Rename to ...
        (readonly_error): ... this and issue errors, not warnings.
        (build_modify_expr): Call readonly_error, not readonly_warning.
        (c_expand_asm_operands): Likewise.
        * tree-inline.c (optimize_inline_calls): Do not inline functions
        after errors have occurred.

2004-02-29  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure.ac: Rearrange some threading code for clarity;
        add section comment.
        * configure: Regenerate.

2004-02-29  Kazu Hirata  <kazu@cs.umass.edu>

        * passes.c, config/frv/frv.c, config/sh/sh.c: Fix comment
        typos.
        * doc/cppopts.texi: Fix a typo.

2004-02-29  Kazu Hirata  <kazu@cs.umass.edu>

        * config/i386/i386.md: Fix formatting.

2004-02-29  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure.ac: Add some comments delineating sections of code.

        * doc/install.texi: Note that libada uses autoconf 2.57 also.

        * doc/install.texi: Fix idiot typo in previous commit.

        * doc/install.texi: Update for conversion of intl to autoconf 2.57.

2004-02-29  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Add comments about peephole2's.

2004-02-29  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Tweak operand numbers of some
        peephole2's.

2004-02-29  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Tweak comments about peephole2's.

2004-02-29  Waldek Hebisch  <hebisch@math.uni.wroc.pl>

        PR middle-end/14203
        * function.c (uninitialized_vars_warning): Use DECL_RTL_SET_P
        instead of testing whether DECL_RTL is not NULL.

2004-02-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/sh/sh.c: Fix formatting.

2004-02-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/sh/sh.c: Convert to ISO-C.

2004-02-28  Andrew Pinski  <pinskia@physics.uc.edu>

        * c-typeck.c (tagged_types_tu_compatible_p): Fix pasto in
        my previous patch.

        * config/darwin.h (machopic_finish): Output stub even if the
        symbol is already defined.

2004-02-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa64-hpux.h (LIB_SPEC): Fix linking under HP-UX 11.00 with -p and -pg.

2004-02-28  Kazu Hirata  <kazu@cs.umass.edu>

        * genattr.c (main): Don't define
        TRADITIONAL_PIPELINE_INTERFACE or DFA_PIPELINE_INTERFACE.
        * system.h (TRADITIONAL_PIPELINE_INTERFACE): Poison.
        (DFA_PIPELINE_INTERFACE): Likewise.
        * doc/tm.texi (TRADITIONAL_PIPELINE_INTERFACE): Remove.
        (DFA_PIPELINE_INTERFACE): Likewise.

2004-02-28  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (tstsi, tstdi): Delete.

2004-02-28  Maciej W. Rozycki  <macro@ds2.pg.gda.pl>

        * config/mips/mips.c (override_options): Remove an obsolete
        duplicate definition of the "e" constraint.
        * config/mips/mips.h: Update a comment accordingly.

2004-02-28  Maciej W. Rozycki  <macro@ds2.pg.gda.pl>

        * config/mips/mips.md: Complete the unfinished R4000
        multiply/shift errata workaround.  Improve documentation.
        (hazard): Use TARGET_FIX_R4000 to decide whether an "imul" instruction
        has a hilo hazard.
        (mulsi3, mulsi3_internal, mulsi3_r4000): Use TARGET_FIX_R4000.
        (muldi3, muldi3_internal): Likewise.
        (muldi3_internal2): Remove, replacing with...
        (muldi3_mult3, muldi3_r4000): ...these new patterns.
        (mulsidi3): Take the errata into account.
        (mulsidi3_32bit): Remove, replacing with...
        (mulsidi3_32bit_internal, mulsidi3_32bit_r4000): ...these new patterns.
        (mulsidi3_64bit, mulsidi3_64bit_parts): Disable if TARGET_FIX_R4000.
        (umulsidi3): Take the errata into account.
        (umulsidi3_32bit): Remove, replacing with..
        (umulsidi3_32bit_internal, umulsidi3_32bit_r4000): ...these patterns.
        (umulsi3_highpart, umulsi3_highpart_internal): Disable if
        TARGET_FIX_R4000.
        (smulsi3_highpart, smulsi3_highpart_internal): Likewise.
        (smuldi3_highpart, umuldi3_highpart): Likewise.
        * doc/invoke.texi: Document the errata workaround.

2004-02-28  Maciej W. Rozycki  <macro@ds2.pg.gda.pl>

        * config/mips/mips-protos.h (mips_idiv_insns): Declare.
        * config/mips/mips.h (MASK_FIX_SB1): Bump.
        (MASK_FIX_R4000, TARGET_FIX_R4000): New macros.
        (TARGET_SWITCHES): Add -mfix-r4000 and -mno-fix-r4000.
        * config/mips/mips.c (mips_idiv_insns): New function.
        (override_options): Make -march=r4000 imply -mfix-r4000 by default.
        (mips_output_division): Add a workaround for the R4000 divide/shift
        errata.
        * config/mips/mips.md (length): Use mips_idiv_insns() to calculate
        the length of an "idiv" instruction.
        * doc/invoke.texi: Document the new switches.

2004-02-28  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/tm.texi (IS_COSTLY_DEPENDENCE): Change to
        TARGET_SCHED_IS_COSTLY_DEPENDENCE.

2004-02-28  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        PR optimization/14229
        * cfgrtl.c (rtl_tidy_fallthru_edge): Do not fail for !onlyjump jump.

2004-02-28  Eric Botcazou  <ebotcazou@act-europe.fr>

        * fold-const.c (fold): Strip NOPs that change the signedness
        for RSHIFT too.  Expand comment.

2004-02-27  Ian Lance Taylor  <ian@wasabisystems.com>

        PR optimization/7871
        * flow.c (mark_set_1): Don't add LOG_LINKS for global registers
        from or to call insns.

2004-02-27  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR optimization/7871
        * flow.c (propagate_one_insn): Interpret calls as setting global
        registers, not merely clobbering them.

2004-02-27  Dale Johannesen  <dalej@apple.com>

        * config/darwin.c (machopic_output_possible_stub_label):  Remove.
        config/darwin-protos.h:  Ditto.
        config/darwin.h:  Remove call to it.
        * combine.c (distribute_notes): Do not place a REG_DEAD note
        when value is both set and used.

2004-02-27  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/fixunssfsi.c (__fixunssfsi): Enable on H8/300
        as well.
        * config/h8300/lib1funcs.asm (___fixunssfsi): Remove.
        * config/h8300/t-h8300 (LIB1ASMFUNCS): Remove _fixunssfsi_asm.

2004-02-27  Andrew Pinski  <apinski@apple.com>

        * c-typeck.c (tagged_types_tu_compatible_p) <ENUMERAL_TYPE>:
        Speedup common case of the type values being in the same order.

2004-02-27  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.h (no-inline-float-divide): New option.
        * config/ia64/ia64.h (no-inline-int-divide): New option.
        * config/ia64/ia64.h (no-inline-sqrt): New option.
        (TARGET_DEFAULT): Add MASK_INLINE_FLOAT_DIV_THR to define.
        * config/ia64/hpux.h (TARGET_DEFAULT): Ditto.
        * config/ia64/ia64.c (ia64_override_options): Modify error
        checking for inlined division/sqrt.

2004-02-27  Kazu Hirata  <kazu@cs.umass.edu>

        * bb-reorder.c, cfgbuild.c, diagnostic.c, explow.c, profile.c,
        ra-build.c, read-rtl.c, tracer.c, unwind-dw2-fde-glibc.c,
        value-prof.c, config/darwin-protos.h, config/frv/frv-abi.h,
        config/i386/pmmintrin.h, config/pa/pa-hpux.h: Update
        copyright.

2004-02-27  Paul Brook  <paul@codesourcery.com>

        * function.c (assign_parms): Don't count pretend args for alignment.

2004-02-27  Richard Henderson  <rth@redhat.com>

        * passes.c: New file.
        * Makefile.in (OBJS-common): Add it.
        * diagnostic.c (rtl_dump_and_exit): Move decl ...
        * flags.h (rtl_dump_and_exit): ... here.
        * output.h (size_directive_output, last_assemble_variable_decl):
        Move from toplev.c.
        * rtl.h (reg_alloc): Move from toplev.c.
        * toplev.c (HAVE_conditional_execution, DUMPFILE_FORMAT,
        struct dump_file_info, enum dump_file_index, dump_file_tbl,
        open_dump_file, close_dump_file, rest_of_decl_compilation,
        rest_of_type_compilation, rest_of_handle_final,
        rest_of_handle_delay_slots, rest_of_handle_stack_regs,
        rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
        rest_of_handle_new_regalloc, rest_of_handle_old_regalloc,
        rest_of_handle_regrename, rest_of_handle_reorder_blocks,
        rest_of_handle_sched, rest_of_handle_sched2, rest_of_handle_regmove,
        rest_of_handle_tracer, rest_of_handle_if_conversion,
        rest_of_handle_if_after_combine, rest_of_handle_web,
        rest_of_handle_branch_prob,
        rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
        rest_of_handle_addressof, rest_of_handle_sibling_calls,
        rest_of_handle_jump_bypass, rest_of_handle_inlining,
        rest_of_handle_null_pointer, rest_of_handle_combine,
        rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
        rest_of_handle_gcse, rest_of_handle_loop_optimize,
        rest_of_handle_loop2, rest_of_compilation): Move to passes.c.
        (decode_d_option): Use enable_rtl_dump_file.
        (compile_file, finalize, do_compile): Move profile+combine+graph
        cleanup to finish_optimization_passes.
        * toplev.h (init_optimization_passes, finish_optimization_passes,
        enable_rtl_dump_file): Declare.

2004-02-27  Eric Botcazou  <ebotcazou@act-europe.fr>
            Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold): Revert 2004-02-25 change.  Use the original
        operands to build a tree with swapped operands.
        * expr.c (expand_expr_real) <MAX_EXPR>: Consistently use the
        'unsignedp' predicate to specify the signedness.

2004-02-27  Kazu Hirata  <kazu@cs.umass.edu>

        * c-decl.c, c-ppoutput.c, combine.c, cppfiles.c, dwarf2out.c,
        expr.c, fold-const.c, gcc.c, haifa-sched.c, loop-iv.c,
        params.def, read-rtl.c, rtl.c, rtlanal.c, toplev.c: Fix
        comment typos and formatting.  Follow spelling conventions.

2004-02-26  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md: Add fixuns_truncsfsi2 and
        fix_truncsfsi2.

        * config/rs6000/spe.md: Delete spe_efsctuiz.
        Add spe_fixuns_truncsfsi2.
        Add spe_fix_truncsfsi2.

2004-02-26  Eric Christopher  <echristo@redhat.com>

        * c-lex.c (c_lex_string_translate): New variable.
        (lex_string): Use to determine string translation.
        * c-pragma.h: Prototype.
        * c-parse.in (start_string_translation): New. Set above.
        (stop_string_translation): Ditto.
        (attribute, attribute_list, asm_def, asm_stmt,
        asm_operand): Use above functions.
        * cp/parser.c (cp_parser_declaration): Translate strings
        unless token is RID_EXTERN. Set c_lex_string_translate
        for recursive use.
        (cp_parser_asm_definition): Only translate argument strings
        to asms.
        (cp_parser_asm_operand_list): Ditto.
        (cp_parser_attribute_list): Do not translate attribute strings.

2004-02-26  Kazu Hirata  <kazu@cs.umass.edu>

        * stmt.c (expand_start_case_dummy): Remove.
        * tree.h: Remove the corresponding prototype.

2004-02-26  Kazu Hirata  <kazu@cs.umass.edu>

        * builtins.c (apply_args_register_offset): Remove.
        * tree.h: Remove the corresponding prototype.

2004-02-26  Kazu Hirata  <kazu@cs.umass.edu>

        * stor-layout.c (is_pending_size): Remove.
        * tree.h: Remove the corresponding prototype.

2004-02-26  Kazu Hirata  <kazu@cs.umass.edu>

        * recog.c (validate_replace_src): Remove.
        * recog.h: Remove the corresponding prototype.

2004-02-26  Kazu Hirata  <kazu@cs.umass.edu>

        * calls.c: Don't reference FINAL_REG_PARM_STACK_SPACE or
        MAYBE_REG_PARM_STACK_SPACE.
        * function.c: Likewise.
        * system.h (FINAL_REG_PARM_STACK_SPACE): Poison.
        (MAYBE_REG_PARM_STACK_SPACE): Likewise.
        * doc/tm.texi (FINAL_REG_PARM_STACK_SPACE): Remove.
        (MAYBE_REG_PARM_STACK_SPACE): Likewise.

2004-02-26  Kazu Hirata  <kazu@cs.umass.edu>

        * c-decl.c (c_expand_deferred_function): Remove.
        * c-tree.h: Remove the corresponding prototype.

2004-02-26  Kazu Hirata  <kazu@cs.umass.edu>

        * postreload.c (reload_cse_move2add): Generate just a PLUS
        instead of an entire SET.

2004-02-26  Jan Hubicka  <jh@suse.cz>

        * config.gcc: Add support for nocoma/prescott/pentium-m/pentium3m
        /pentium4m.
        * i386.c (override_options): Add support for new CPUs.
        * i386.h (TARGET_CPU_DEFAULT_NAMES): New names.
        (TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_pentium4e): New
        constants.
        * invoke.texi: Extend documentation of -mtune/-march for new CPUs.

2004-02-26  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.h (TARGET_CPU_CPP_BUILTINS): Define __xtensa__.

2004-02-26  Eric Botcazou  <ebotcazou@act-europe.fr>

        * config/sparc/sparc-protos.h (sparc_emit_floatunsdi): Add 'mode'.
        (sparc_emit_fixunsdi): New prototype.
        * config/sparc/sparc.c (sparc_emit_floatunsdi): Use 'mode' argument.
        (sparc_emit_fixunsdi): New function.
        * config/sparc/sparc.md (floatunsdisf2): Use 'general_operand' for
        operand 1.  Pass SFmode to sparc_emit_floatunsdi.
        (floatunsdidf2): Use 'general_operand' for operand 1.  Pass DFmode
        to sparc_emit_floatunsdi.
        (fixuns_truncsfdi2): New expander.
        (fixuns_truncdfdi2): Likewise.

2004-02-26  Alan Modra  <amodra@bigpond.net.au>

        * gcse.c (delete_null_pointer_checks_1): Do not delete CC setter
        unless HAVE_cc0.

2004-02-25  Richard Henderson  <rth@redhat.com>

        * explow.c (force_reg): Call mark_reg_pointer as appropriate.
        * config/alpha/alpha.c (alpha_emit_conditional_branch): Don't
        use (op0-op1) == 0 if op0 is a pointer.
        * config/alpha/alpha.md (cmpdi): Use some_operand.
        (three comparison combine splits): Remove.

2004-02-25  Richard Henderson  <rth@redhat.com>

        PR c/12794
        * c-common.c (handle_alias_attribute): Reject the attribute if
        current_function_decl is set.

2004-02-25  Kelley Cook  <kcook@gcc.gnu.org>

        * config.gcc: Add comment describing extra_gcc_objs.
        i[34567]86-*-cygwin*): Replace host_extra_gcc_objs with extra_gcc_objs.
        * configure.ac (extra_gcc_objs): New substitution variable.
        (host_extra_gcc_objs): Don't substitute.
        * configure: Regenerate.
        * Makefile.in: Use extra_gcc_objs.

2004-02-25  Kelley Cook  <kcook@gcc.gnu.org>

        * doc/contrib.texi: Add an entry for myself.

2004-02-25  Jan Hubicka  <jh@suse.cz>

        * basic-block.h (make_eh_edge, break_superblocks): Declare.
        * cfgbuild.c (make_eh_edge):  Make global.
        * cfglayout.c (break_superblocks): Likewise; fix memory leak.
        * except.c (build_post_landing_pads, connect_post_landing_pads,
        dw2_build_landing_pads, sjlj_emit_function_enter,
        sjlj_emit_function_exit, sjlj_emit_dispatch_table,
        sjlj_build_landing_pads): Update CFG.
        (emit_to_new_bb_before): New function.
        (finish_eh_generation): Do not rebuild the CFG.

2004-02-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config.gcc (hppa*-*-*, parisc*-*-*): Add MASK_BIG_SWITCH to all
        target_cpu_default defines.
        * pa-hpux.h (TARGET_DEFAULT): Add MASK_BIG_SWITCH to define.
        * pa.h (TARGET_DEFAULT): Likewise.

2004-02-25  Eric Botcazou  <ebotcazou@act-europe.fr>

        * fold-const.c (fold): Treat MAX_EXPR and MIN_EXPR like
        comparisons with regard to signedness.

2004-02-25  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (thumb_legitimize_address): New function.
        * arm-protos.h: Prototype it.
        * arm.h (THUMB_LEGITIMIZE_ADDRESS): Define.
        (LEGITIMIZE_ADDRESS): Use it.

2004-02-25  J"orn Rennecke <joern.rennecke@superh.com>

        * reload1.c (reload): Only spill eliminable register with multiple
        adjacent elimination alternatives if all alternatives fail.

2004-02-25  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_legitimate_index_p): For QImode the range of an offset
        is -4095...+4095 inclusive.

2004-02-25  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/install.texi (sparc-sun-solaris2* specific notes): Document
        the bootstrap failure with Sun CC 5.4 and 5.5.

2004-02-24  Kazu Hirata  <kazu@cs.umass.edu>

        * cse.c (cse_change_cc_mode_insns): Stop at any instruction
        which modifies NEWREG.
        (cse_condition_code_reg): Update the mode of CC_REG in
        CC_SRC_INSN on our own.

2004-02-24  Michael Matz  <matz@suse.de>

        * config/i386/i386.c (ix86_comp_type_attributes): Check for
        regparm attributes.

2004-02-24  Richard Henderson  <rth@redhat.com>

        * toplev.c (dump_file_tbl): Rename from dump_file.
        * bb-reorder.c, bt-load.c, cfgcleanup.c, cfglayout.c, cfgloopanal.c,
        cfgloopmanip.c, cfgrtl.c, config/arm/arm.c, config/frv/frv.c,
        config/i386/i386.c, config/ia64/ia64.c, config/mips/mips.c,
        config/sh/sh.c, cse.c, flow.c, ifcvt.c, loop-iv.c, loop-unroll.c,
        loop-unswitch.c, output.h, predict.c, profile.c, ra-build.c,
        ra-colorize.c, ra-debug.c, ra-rewrite.c, ra.c, regrename.c, reload1.c,
        toplev.c, tracer.c, value-prof.c, var-tracking.c, web.c:
        s/rtl_dump_file/dump_file/g.

2004-02-24  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/spe.md (spe_fix_truncsfsi2): Delete.
        (spe_fixuns_truncsfsi2): Delete.

        * config/rs6000/rs6000.md (fix_truncsfsi2): Delete.
        (fixuns_truncsfsi2): Delete.

2004-02-24  Josef Zlomek  <zlomekj@suse.cz>

        PR/14240
        * rtlanal.c (replace_label): Fix replacing labels in constant pool.

2004-02-24  Geoffrey Keating  <geoffk@apple.com>

        * config/darwin.h (TARGET_HAS_F_SETLKW): Define.

2004-02-24  Jason Merrill  <jason@redhat.com>

        * tree.c (check_qualified_type): New fn.
        (get_qualified_type): Use it.  If type already has the desired
        quals, just return it.
        * tree.h: Declare it.

2003-02-24  Sanjiv Kumar Gupta  <sanjivg@noida.hcltech.com>

        * target-def.h (TARGET_SCHED_INIT_GLOBAL,
        TARGET_SCHED_FINISH_GLOBAL): New macros.

        * target.h (md_init_global, md_finish_global): Function
        declarations corresponding to new target macros.

        * haifa-sched.c (sched_init, sched_finish): Allow target to
        call the new schedular hooks.

        * flow.c (recompute_reg_usage): Add PROP_DEATH_NOTES flag in
        call to update_life_info.

        * config/sh/sh.h (OVERRIDE_OPTIONS): Re-enable
        flag_schedule_insns for SH4.

        * config/sh/sh.c (sh_md_init_global, sh_md_finish_global,
        find_set_regmode_weight, find_insn_regmode_weight,
        find_regmode_weight), sh_md_init, sh_dfa_new_cycle,
        sh_variable_issue, high_pressure, ready_reorder,
        rank_for_reorder, swap_reorder, sh_reorder, sh_reorder2): New
        functions used to throttle the insn movement in first
        scheduling pass for SH.

        * gcc/doc/tm.texi: Document TARGET_SCHED_INIT_GLOBAL and
        TARGET_SCHED_FINISH_GLOBAL.

2004-02-24  Alexandre Oliva  <aoliva@redhat.com>

        Implement FR-V FDPIC ABI support for frv-uclinux and frv-linux.
        2004-02-05  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.c (frv_emit_movsi): Use GOT relocations for
        symbols in sections named by the user.
        2004-01-30  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/linux.h (TARGET_OS_CPP_BUILTINS): New.
        2004-01-27  Alexandre Oliva  <aoliva@redhat.com>
        * config.gcc (frv-*-*linux*): Handle like *-*-linux*.
        * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Remove, obviated by
        the above.
        2004-01-20  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.md (symGOT2reg_hilo, symGOTOFF2reg_hilo): Add
        one more pseudo to further improve code generation.
        2004-01-19  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.md (movdi_ldd): Introduce explicit indirection
        inside UNSPEC.
        2004-01-16  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.c (frv_legitimate_address_p): Added
        allow_double_reg_p argument.  Adjust all callers.  Use it to
        decide whether to enable double-register indirect addressing.
        (frv_funcdesc_alias_set): Remove.
        (frv_expand_fdpic_call): Force non-SYMBOL_REF operand into
        register.  Emit movdi_ldd.
        (ldd_address_operand): New.
        * config/frv/frv-protos.h (frv_legitimate_address_p): Adjust.
        * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
        (PREDICATE_CODES): Add ldd_address_operand.
        * config/frv/frv.md (movdi_ldd): New.
        (symGOT2reg_hilo, symGOTOFF2reg_hilo): Use separate pseudo for
        intermediate computations if possible.
        (symGOTOFF2reg_i): Fix harmless typo.
        2003-12-18  Alexandre Oliva  <aoliva@redhat.com>
        * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Cast
        relocated p_vaddr to vaddr type.
        * config/frv/frv-protos.h (frv_expand_fdpic_call): Return void.
        * config/frv/frv.c (frv_get_funcdesc_alias_set): New.
        (frv_expand_fdpic_call): Propagate incoming MEM's expr to funcdesc
        MEM, or use a funcdesc alias set.  Use regular move instead of
        ldd.
        (dbl_memory_one_insn_operand): Recognize function descriptors by
        type or by alias set, and don't split them.
        * config/frv/frv.md (call, call_value): Never use call_internal
        for fdpic.
        (call_internal, call_value_internal): Never match for FDPIC.
        (call_fdpicdi, call_fdpicsi, call_value_fdpicdi,
        call_value_fdpicsi): Require FDPIC.
        (ldd): Removed.
        2003-12-17  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.h (CRT_GET_RFIB_DATA): Define for __FRV_FDPIC__.
        * unwind-dw2-fde-glibc.c: Don't include elf-fdpic.h any more.
        (_Unwind_IteratePhdrCallback): Adjust type of load_base for FRV
        FDPIC.  Compute data base address.
        * config/frv/linux.h (SUBTARGET_DRIVER_SELF_SPECS): Enable -mfdpic
        before the other self-specs are processed.
        * config/frv/t-linux (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS):
        Build with -fPIC.
        2003-12-15  Alexandre Oliva  <aoliva@redhat.com>
        * unwind-dw2-fde-glibc.c: Don't include bits/elf-fdpic.h if
        inhibit_libc is defined.
        2003-12-12  Alexandre Oliva  <aoliva@redhat.com>
        * unwind-dw2-fde-glibc.c: Include bits/elf-fdpic.h for
        __FRV_FDPIC__.
        (__RELOC_POINTER): Define.
        (_Unwind_IteratePhdrCallback): Use it.
        * config/frv/frv.h (Twrite): Define.
        (TRANSFER_FROM_TRAMPOLINE): Use it.
        * config/frv/linux.h (INVOKE__main): Undefine.
        (Twrite): Override.
        2003-12-05  Richard Sandiford  <rsandifo@redhat.com>
        * doc/invoke.texi (-mlong-calls, -mlinked-fp): Document FRV options.
        (-mlibrary-pic): Emphasize that this option generates EABI code.
        (-mcpu): Add fr550.
        (-mpack): Remove.
        2003-11-30  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.c (int_2word_operand): Reject LABELs, SYMBOL_REFs
        and CONSTs in FDPIC mode.
        * gcc/config.gcc (with_cpu): Default to fr400 on frv-*-*linux*.
        2003-11-29  Richard Sandiford  <rsandifo@redhat.com>
        * config/frv/frv.c (move_source_operand): Don't accept symbolic
        constants.
        * config/frv/frv.md (*movhi_internal, *movsi_internal): Use an 'n'
        rather than 'i' constraint for the 2-instruction alternative.
        (*movsi_2word): New, incorporating existing int_2word_operand splitter.
        2003-11-29  Richard Sandiford  <rsandifo@redhat.com>
        * config/frv/frv.h (EXTRA_CONSTRAINT_FOR_Q): Renamed from
        EXTRA_CONSTRAINT_FOR_Y.
        (EXTRA_CONSTRAINT): Remove handling of 'Y'.
        * config/frv/frv.md (*movsi_internal): Remove 'Q' constraint.
        (addsi3): Change 'Y' constraint to 'Q'.
        2003-11-27  Richard Sandiford  <rsandifo@redhat.com>
        * reload.c (CONST_POOL_OK_P): New macro.
        (find_reloads): Use it to decide whether a constant can be forced
        into memory.
        * config/frv/frv.h (LEGITIMATE_PIC_OPERAND_P): Return true if the
        constant satisfies got12_operand.
        (frv_cannot_force_const_mem): Always return true for TARGET_FDPIC.
        (frv_legitimate_address_p): Check for valid unspec offsets using
        got12_operand rather than frv_legitimate_fdpic_operand_p.
        (frv_legitimate_fdpic_operand_p): Delete.
        (frv_emit_movsi): Abort if we try to use the FDPIC register during
        or after reload.
        (frv_legitimate_constant_p): Return LEGITIMATE_PIC_OPERAND_P if
        TARGET_FDPIC.
        * config/frv/frv.md (*movdf_double): Add alternatives for CONST_DOUBLE.
        2003-11-19  Richard Sandiford  <rsandifo@redhat.com>
        * config/frv/frv-protos.h (fdpic_operand, fdpic_got12_operand)
        (frv_fdpic_fptr_operand): Don't declare here.
        * config/frv/frv.h (EXTRA_CONSTRAINT_FOR_Y): Call got12_operand
        rather than fdpic_got12_operand.
        (PREDICATE_CODES): Remove symbolic_operand entry.  Add entries for
        got12_operand and const_unspec_operand.
        * config/frv/frv.c (got12_operand): Renamed from fdpic_got12_operand.
        (gpr_or_int12_operand, dbl_memory_one_insn_operand): Update calls.
        (symbolic_operand): Remove.
        (const_unspec_operand): New predicate.
        * config/frv/frv.md (*movsi_got): Use got12_operand.
        (*movsi_high_got, *movsi_lo_sum_got): Use const_unspec_operand.
        2003-11-18  Richard Sandiford  <rsandifo@redhat.com>
        * config/frv/frv-protos.h (frv_output_addr_const_extra): Remove.
        * config/frv/frv.h (OUTPUT_ADDR_CONST_EXTRA): Remove definition.
        * config/frv/frv.c (frv_unspec): New structure.
        (frv_small_data_reloc_p, frv_const_unspec_p): New functions.
        (frv_print_operand_memory_reference): Use frv_const_unspec_p to
        validate CONST indices.  Use frv_output_const_unspec to print them.
        (frv_print_operand): Update call to unspec_got_name.  Use
        frv_output_const_unspec to print constant unspecs.
        (frv_legitimate_fdpic_operand_p): Return true if frv_const_unspec_p.
        Reject UNSPECs otherwise.
        (unspec_got_name): Take the relocation number as argument, not an
        rtx containing it.
        (frv_output_addr_const_extra): Remove, replacing with...
        (frv_output_const_unspec): ...this new function.
        (frv_find_base_term): Use frv_const_unspec_p & frv_small_data_reloc_p.
        (gpr_or_int12_operand): Use fdpic_got12_operand.
        (dbl_memory_one_insn_operand): Likewise.
        (fdpic_got12_operand): Use frv_const_unspec_p.
        (frv_emit_movsi): Use frv_const_unspec_p to check for CONSTs that
        are already legitimate.  Use frv_small_data_reloc_p when deciding
        whether to use HIGH/LO_SUM for R_FRV_GOTOFF12 and R_FRV_GPREL12.
        2003-11-18  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/t-linux (SHLIB_MAPFILES): Override so as to export...
        * config/frv/libgcc-frv.ver: ... frv-specific symbols.  New file.
        * config/frv/frv-abi.h (CREATE_DOUBLE_SHIFT): Use branch to local
        label, for real this time.
        * config/frv/frv.c (frv_local_funcdesc_p): Update to new
        representation of visibility.
        (fdpic_got12_operand, symbolic_operand): Mark unused arguments as
        such.
        2003-11-17  Richard Sandiford  <rsandifo@redhat.com>
        * config/frv/frv.h (MASK_LINKED_FP, TARGET_LINKED_FP): New macros.
        (TARGET_SWITCHES): Add -mlinked-fp and -mno-linked-fp.
        * config/frv/frv.c (frv_override_options): Set MASK_LINKED_FP unless
        it was explicitly disabled.
        (frv_stack_info): There is no need to save the link register in every
        frame unless TARGET_LINKED_FP is true.
        (frv_frame_pointer_required): If !TARGET_LINKED_FP, only require a
        frame pointer if the stack pointer might change value.
        (frv_return_addr_rtx): Check and process "count" argument.
        2003-11-14  Richard Sandiford  <rsandifo@redhat.com>
        * config/frv/frv-protos.h (frv_legitimize_address): Remove.
        (frv_find_base_term): Declare.
        * config/frv/frv.h (LEGITIMIZE_ADDRESS): Do nothing.
        (FIND_BASE_TERM): Define.
        (PREDICATE_CODES): Remove pic_register_operand, pic_symbolic_operand,
        small_data_register_operand, small_data_symbolic_operand.  Add
        symbolic_operand.
        * config/frv/frv.c (const_small_data_p, plus_small_data_p): Delete.
        (frv_print_operand_memory_reference, output_move_single): Remove
        special handling for unlegitimized sdata addresses.
        (frv_legitimate_address_p): Don't allow sums of SDA_BASE_REG
        and symbolic addresses.
        (frv_legitimize_address, frv_legitimize_fdpic_address): Delete.
        (frv_find_base_term): New function.
        (int_2word_operand): Check specifically for symbolic address constants.
        (pic_register_operand, pic_symbolic_operand): Delete.
        (small_data_register_operand, small_data_symbolic_operand): Delete.
        (dbl_memory_one_insn_operand): Don't call plus_small_data_p.
        Allow UNSPEC_GOT constants if !TARGET_FDPIC.
        (move_source_operand): Only accept CONSTs if they're a two-insn
        symbolic constant.
        (fdpic_got12_operand): Don't require TARGET_FDPIC.
        (frv_emit_movsi): Legitimize sdata and -mlibrary-pic addresses
        using gen_symGOTOFF2reg*.
        (frv_ifcvt_rewrite_mem): Remove (plus gr16 ...) special cases.
        (frv_rtx_costs): Give all MEM addresses a cost of 0.  Give MEMs
        themselves a cost of 3 insns.
        * config/mips/mips.md (*movsi_got): Allow for !TARGET_FDPIC too.
        Change predicate to symbolic_operand.
        (*movsi_high_got, *movsi_lo_sum_got): Likewise.
        (*movsi_lda_sdata): Delete.
        (*movsi_pic, movsi_high_pic, movsi_lo_sum_pic): Delete.
        2003-11-05  Alexandre Oliva  <aoliva@redhat.com>
        * config.gcc: Add t-slibgcc-elf-ver and support --with-cpu for
        frv-*-*linux*.
        * config/frv/frv-abi.h (CREATE_DOUBLE_SHIFT): Use branch to local
        label.
        * config/frv/frv.h (DRIVER_SELF_SPECS): Add blank before
        -multilib-library-pic.
        (LINK_SPEC): Add -z text for -mfdpic.
        * config/frv/frvbegin.c (__ROFIXUP_LIST__): Don't define on FDPIC.
        * config/frv/frvend.c (__ROFIXUP_END__): Likewise.
        * config/frv/linux.h (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC):
        Override.
        (OPTION_DEFAULT_SPECS, HAS_INIT_SECTION, INIT_SECTION_ASM_OP,
        FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION): Define.
        * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Use
        crtstuff-generated files.
        2003-10-31  Alexandre Oliva  <aoliva@redhat.com>
        * config.gcc: Add frv-*-*linux*.
        * config/frv/linux.h, config/frv/t-linux: New.
        2003-10-06  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.h (LINK_SPEC): Pass -melf32frvfd to the linker
        when -mfdpic even if a linker script is explicitly listed.
        2003-10-02  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.c (frv_override_options): Clear asm_out
        unaligned_op for SImode on FDPIC.
        (frv_emit_movsi): Use compute_reloc_for_constant to compute the
        argument passed to decl_readonly_section.
        (frv_assemble_integer): Revert 2003-09-30's change, but make the
        whole block run with FDPIC even with -fno-PIC.
        2003-10-02  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.c (frv_cannot_force_const_mem): Don't force
        symbol or label plus offset to memory.
        (frv_emit_movsi): Emit GPREL only if -mgprel-ro.  Emit 32-bit
        GOTOFF and GPREL for LABEL_REF.
        * config/frv/frv.h (DRIVER_SELF_SPECS): Add -mgprel-ro with
        -mfdpic unless -mno-gprel-ro, -fpic or -fpie.
        (MASK_GPREL_RO, TARGET_GPREL_RO): New.
        (TARGET_SWITCHES): Added gprel-ro and no-gprel-ro.
        * doc/invoke.texi: Document them.
        2003-09-30  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv-protos.h (frv_gen_GPsym2reg): Declare.
        (frv_splittable_got_operand): Removed.
        * config/frv/frv.c (frv_cannot_force_const_mem): Reject HIGH and
        LO_SUM.  Add comments.
        (frv_override_options): Moved enabling of FDPIC to
        DRIVER_SELF_SPECS.  Don't enable MASK_DWORD.
        (frv_local_funcdesc_p): Remove unnecessary heck for flag_pie.
        (frv_legitimize_fdpic_address): Don't duplicate logic in
        frv_emit_movsi.
        (frv_gen_GPsym2reg): New.
        (unspec_got_name): Added gprel.
        (frv_expand_fdpic_call): Add support for inlining PLTs.
        (fdpic_fptr_operand): Renamed from frv_fdpic_fptr_operand.
        (gpr_or_int12_operand): Added GPREL12.
        (pic_symbolic_operand): Match even if !flag_pic for FDPIC.
        (small_data_symbolic_operand): Fail if FDPIC.
        (fdpic_splittable_got_operand): Removed.
        (fdpic_got12_operand): Added GPREL12.
        (frv_emit_movsi): Reorganize to avoid duplication.  Emit GPREL
        when appropriate.  Fix sdata GOTOFF.
        (frv_legitimate_constant_p): Require legitimate PIC operand for
        FDPIC with pic, but only a legitimate fdpic operand for non-pic.
        (frv_assemble_integer): Move FDPIC funcdesc handling out of
        flag_pic case.
        (frv_asm_out_constructor, frv_asm_out_destructor): Abort if
        frv_assemble_integer fails.
        * config/frv/frv.h (DRIVER_SELF_SPECS): New.
        (SUBTARGET_DRIVER_SELF_SPECS): New.
        (ASM_SPEC): Don't pass -mno-fdpic.
        (LINK_SPEC): Pass -melf32frvfd for FDPIC.
        (MASK_INLINE_PLT, TARGET_INLINE_PLT): New.
        (TARGET_SWITCHES): Add -minline-plt, -mno-inline-plt and
        -multilib-library-pic.
        (PREDICATE_CODES): Added fdpic_operand, fdpic_fptr_operand,
        condexec_si_media_operator, condexec_sf_add_operator and
        condexec_sf_conv_operator.  Removed condexec_sf_binary_operator
        and condexec_sf_unary_operator.
        * config/frv/frv.md (R_FRV_GPREL12, R_FRV_GPRELHI, R_FRV_GPRELLO):
        New.
        (movsi_got, movsi_high_got, movsi_lo_sum_got): Move before
        movsi_internal.  Give them internal names.  movsi_got has type
        int.
        (fdpic got splitters): Remove.
        (symGPREL2reg, symGPREL2reg_hilo): New.
        * config/frv/t-frv (MULTILIB_MATCHES): Don't map -fpic and -fPIC
        to -mlibrary-pic.  Map -multilib-library-pic to it.
        * doc/invoke.texi: -mfdpic, -minline-plt, -multilib-library-pic:
        Document.
        2003-09-28  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.c (frv_function_symbol_referenced_p): Declare.
        (TARGET_CANNOT_FORCE_CONST_MEM): Define to...
        (frv_cannot_force_const_mem): New function.
        (const_small_data_p, plus_small_data_p): Update comments on sdata
        on FDPIC.
        (frv_override_options): Set flag_pie for FDPIC too.
        (frv_conditional_register_usage): Mark gr16 and gr17 as non-fixed,
        call-saved registers on FDPIC.
        (frv_stack_info): Don't preserve the PIC register on FDPIC, and
        don't force LR to be preserved.
        (frv_expand_prologue): Likewise.
        (frv_asm_output_mi_thunk): Use 12-bit funcdesc gotoff for -fpic.
        (frv_frame_pointer_required): Don't force it just because the
        FDPIC register is used.
        (frv_legitimate_address_p) <CONST>: Accept a legitimate FDPIC
        operand only if !condexec_p.
        (frv_legitimize_address): Return the FDPIC-legitimized address.
        Don't match small data here on FDPIC.
        (frv_legitimate_fdpic_operand_p): Don't accept unadorned function
        symbols.  Use TRUE/FALSE instead of 1/0.
        (frv_local_funcdesc_p): New.
        (frv_legitimize_fdpic_address): Rewrite to use GOTOFF and 12-bit
        immediates when possible.
        (pic_symbolic_operand): Accept SYMBOL_REFs and CONSTs in FDPIC.
        (dbl_memory_one_insn_operand): Accept addresses that add a REG and
        an UNSPEC_GOT.
        (frv_emit_movsi): Handle FDPIC before small data.  Use GOTOFF and
        12-bit immediates when possible.
        (frv_legitimate_constant_p): In FDPIC, reject SImode operands that
        are not legitimate pic operands.
        (frv_in_small_data_p): Re-enable for FDPIC.
        * config/frv/frv.h (SDA_BASE_REG): Remove comment about FDPIC.
        (FRV_GLOBAL_P): Removed.
        * config/frv/frv.md: Add modes to CONSTs.
        (movsi_got): New.
        (movsi_lo_sum_got): Use separate matches instead of match_dup.
        (movsi_high_pic, movsi_lo_sum_pic): Match on non-FDPIC only.
        (fdpic splittable operations): Match on flag_pic != 1.
        2003-09-22  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.c (frv_asm_out_constructor,
        frv_asm_out_destructor): Pass to frv_assemble_integer the size in
        bytes, not bits.
        2003-09-19  Alexandre Oliva  <aoliva@redhat.com>
        * config/frv/frv.c (frv_assemble_integer): Reject complex
        expressions referencing function SYMBOL_REFs.
        * config/frv/frv.c (frv_function_symbol_referenced_p): New.
        (move_source_operand): Reject CONSTs that reference function
        SYMBOL_REFs on FDPIC.
        (frv_emit_movsi): If we get such a CONST, break it up.
        * config/frv/frv.h (CPP_SPEC): Define __FRV_FDPIC__ for -mfdpic.
        (TRANSFER_FROM_TRAMPOLINE): Use different definitions for FDPIC.
        * config/frv/frv.c (frv_print_operand) <I>: Recognize PLUS without
        MEM.
        (frv_assemble_integer): Don't use funcdesc for LABEL_REFs.
        (frv_trampoline_size): Increase for FDPIC.
        * config/frv/frv.h (TRAMPOLINE_ALIGNMENT): Bump to 64 for FDPIC.
        (TRANSFER_FROM_TRAMPOLINE): Handle FDPIC trampolines.
        * config/frv/frv.c (frv_legitimize_fdpic_address, frv_emit_movsi):
        Disable use of GOTOFF for now.
        (const_small_data_p, plus_small_data_p, frv_in_small_data_p):
        Disable use of small data in FDPIC for now.
        (frv_asm_output_mi_thunk): Implement for FDPIC.
        * config/frv/frv.h (SDA_BASE_REG): Set to -1 with FDPIC.
        * config/frv/frv.c (frv_asm_out_constructor): Use
        frv_assemble_integer for FDPIC pointers.
        (frv_asm_out_destructor): Likewise.
        * config/frv/frv.md (ldd): Fix order of operands.  Use
        address_operand for input.
        2003-09-18  DJ Delorie  <dj@redhat.com>
        * config/frv/frv.c (frv_legitimate_fdpic_operand_p): Remove UNSPEC_PIC.
        (unspec_got_name): Correct typo.
        (frv_emit_movsi): Pre-expand splittable GOTs.
        (frv_expand_fdpic_call): Rename gen_lddi to gen_ldd.
        * config/frv/frv.md (lddi): Fix syntax error, rename to ldd.
        (symGOT2reg_hilo, symGOTOFF2reg_hilo): New.
        * config/frv/t-frv: Add -mfdpic multilibs.
        * config/frv/frv.h (ASM_SPEC): Pass -mfdpic/-mno-fdpic.
        (TARGET_SWITCHES): Add -mno-fdpic, fix documentation.
        * config/frv/frv.c (frv_override_options): -mfdpic assumes
        flag_pic, default to 32-bit pics, require DWORD ops.
        (frv_override_options): Add W and Z constraints.
        (frv_expand_prologue): No pic prologue for -mfdpic.
        (frv_asm_output_mi_thunk): Support -mfdpic (soon).
        (frv_print_operand_memory_reference): Handle GOT constants.
        (frv_legitimate_address_p): Allow GOT constants.
        (frv_legitimize_address): Handle GOT addresses too.
        (frv_legitimate_fdpic_operand_p): New.
        (frv_legitimize_fdpic_address): New.
        (unspec_got_name): New.
        (frv_output_addr_const_extra): New.
        (frv_expand_fdpic_call): New.
        (frv_fdpic_fptr_operand): New.
        (gpr_or_int12_operand): Handle GOT operands.
        (int_2word_operand): Handle GOT operands.
        (fdpic_operand): New.
        (fdpic_splittable_got_operand): New.
        (fdpic_got12_operand): New.
        (frv_emit_movsi): Handle GOT operands.
        (frv_assemble_integer): -mfdpic doesn't use rofixups.
        (frv_print_operand): Support 'g' code for GOT operands.
        * config/frv/frv-protos.h: Add prototypes as needed.
        * config/frv/frv.md (R_FRV_GOT12, R_FRV_GOTHI, R_FRV_GOTLO,
        R_FRV_FUNCDESC, R_FRV_FUNCDESC_GOT12, R_FRV_FUNCDESC_GOTHI,
        R_FRV_FUNCDESC_GOTLO, R_FRV_FUNCDESC_VALUE,
        R_FRV_FUNCDESC_GOTOFF12, R_FRV_FUNCDESC_GOTOFFHI,
        R_FRV_FUNCDESC_GOTOFFLO, R_FRV_GOTOFF12, R_FRV_GOTOFFHI,
        R_FRV_GOTOFFLO): New.
        (movsi_high_got, movsi_lo_sum_got): New.
        (*movsi_pic): Don't use this splitter for -mfdpic.
        (addsi3): Allow GOT references also.
        (call, call_value): Handle -mfdpic separately.
        (call_fdpicdi, call_fdpicsi, lddi, call_value_fdpicdi,
        call_value_fdpicsi): New.
        (symGOT2reg, symGOT2reg_i, got splitters, symGOTOFF2reg,
        symGOTOFF2reg_i): New.
        * config/frv/frv.h (MASK_FDPIC): New.
        (TARGET_FDPIC): New.
        (TARGET_SWITCHES): Add -mfdpic.
        (FDPIC_FPTR_REGNO): New.
        (FDPIC_REGNO): New.
        (OUR_FDPIC_REG): New.
        (enum reg_class): Add FDPIC_REGS, FDPIC_FPTR_REGS, and
        FDPIC_CALL_REGS.
        (REG_CLASS_NAMES): Likewise.
        (REG_CLASS_CONTENTS): Likewise.
        (EXTRA_CONSTRAINT_FOR_Y): New, for 12-bit GOTs.
        (EXTRA_CONSTRAINT): Add it here.
        (FRV_GLOBAL_P): New.
        (OUTPUT_ADDR_CONST_EXTRA): New.

2004-02-24  Kazu Hirata  <kazu@cs.umass.edu>

        * config/sparc/sparc.h: Remove commented-out definitions of
        TARGET_EDOM and GEN_ERRNO_RTX.

2004-02-24  Kazu Hirata  <kazu@cs.umass.edu>

        * df.c, df.h, ra-build.c, ra-rewrite.c, ra.c, web.c: Replace
        df_analyse with df_analyze.

2004-02-24  Alan Modra  <amodra@bigpond.net.au>

        * gcse.c (delete_null_pointer_checks_1): Set stop_insn to end, not
        beginning of block.

2004-02-23  James E Wilson  <wilson@specifixinc.com>

        * calls.c (precompute_arguments): Update comment.

2004-02-23  Kazu Hirata  <kazu@cs.umass.edu>

        * et-forest.c: Replace et_occurences with et_occurrences.

2004-02-23  Kazu Hirata  <kazu@cs.umass.edu>

        * cfgloop.h, loop-iv.c, loop-unswitch.c: Replace iv_analyse
        with iv_analyze.

2004-02-23  Kelley Cook  <kcook@gcc.gnu.org>

        * config/i386/i386.c: Rename pni to sse3.
        * config/i386/i386.h: Likewise.
        * config/i386/i386.md: Likewise.
        * config/i386/pmmintrin.h: Likewise.
        * doc/extend.texi: Likewise.
        * doc/invoke.texi: Likewise.

2004-02-23  Zack Weinberg  <zack@codesourcery.com>
            Kazu Hirata  <kazu@cs.umass.edu>

        Remove -fwritable-strings.
        * c-common.c (fix_string_type): Don't check
        flag_writable_strings.
        (fix_string_type): Likewise.
        * c-opts.c (set_std_c89): Don't initialize
        flag_writable_strings.
        (set_std_c99): Likewise.
        * common.opt (fwritable-strings): Remove.
        * flags.h: Remove the external declaration of
        flag_writable_strings.
        * opts.c (common_handle_option) <OPT_fwritable_strings>:
        Remove.
        * toplev.c (flag_writable_strings): Remove.
        (f_options): Remove an entry for writable-strings.
        * varasm.c (const_hash_1) <STRING_CST>: Don't check
        flag_writable_strings.
        (compare_constant) <STRING_CST>: Likewise.
        (build_constant_desc): Likewise.
        * config/darwin.c (machopic_select_section): Likewise.
        * config/arm/arm.c (AOF_ASSEMBLER): Likewise.
        * config/arm/pe.c (arm_pe_encode_section_info): Likewise.
        * config/iq2000/iq2000.c (iq2000_select_section): Likewise.
        * config/mips/mips.c (mips_select_section): Likewise.
        (mips_encode_section_info): Likewise.
        * config/pa/pa.c (pa_select_section): Likewise.
        * config/pa/pa.h (TEXT_SPACE_P): Likewise.
        * config/v850/v850.c (v850_select_section): Likewise.
        * doc/invoke.texi (-fwritable-strings): Remove.
        (-fno-const-strings): Don't mention -fwritable-strings.
        * doc/trouble.texi: Don't mention -fwritable-strings.

2003-02-23  Nathanael Nerode  <neroden@gcc.gnu.org>

        * doc/install.texi: Update for switch of boehm-gc to autoconf 2.57.

2004-02-23  Dale Johannesen  <dalej@apple.com>

        * config/rs6000.md (movsf_hardfloat): Add POWER form of nop.
        (movdf_hardfloat64):  Ditto.
        (movdf_softfloat64):  Ditto.

2004-02-23  Fariborz Jahanian <fjahanian@apple.com>
        * config/rs6000/rs6000.c (function_arg): call to
        rs6000_mixed_function_arg for DFmode moved to allow
        normal DFmode incoming register assignment.

2004-02-23  Dale Johannesen  <dalej@apple.com>

        * config/rs6000.md (movsf_hardfloat): Accept CTR-to-CTR copy.
        (movdf_hardfloat64):  Ditto.

2004-02-23  Kazu Hirata  <kazu@cs.umass.edu>

        * convert.c, gcov-io.c, libgcov.c, sched-int.h, sibcall.c,
        config/rs6000/linux.h, config/rs6000/rs6000-c.c: Update
        copyright.

2004-02-23  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c/14156
        * c-typeck.c (c_expand_return): Change check for VAR_DECL
        to use DECL_P instead.

        * config/rs6000/linux.h (OS_MISSING_POWERPC64): Define.
        * config/rs6000/linux64.h (OS_MISSING_POWERPC64): Define.

2004-02-23  Kazu Hirata  <kazu@cs.umass.edu>

        * Makefile.in (opts.o): Depend on target.h.
        * opts.c (decode_options): Use targetm.default_short_enums
        instead of DEFAULT_SHORT_ENUMS.
        * system.h (DEFAULT_SHORT_ENUMS): Poison.
        * target-def.h (TARGET_DEFAULT_SHORT_ENUMS): New.
        (TARGET_INITIALIZER): Add TARGET_DEFAULT_SHORT_ENUMS.
        * target.h (gcc_target): Add default_short_enums.
        * config/cris/cris.h: Remove a comment about
        DEFAULT_SHORT_ENUMS.
        * config/ip2k/ip2k.h: Likewise.
        * doc/tm.texi (DEFAULT_SHORT_ENUMS): Change to
        TARGET_DEFAULT_SHORT_ENUMS.  Update the description.

2004-02-23  Eric Botcazou  <ebotcazou@libertysurf.fr>
            Falk Hueffner  <falk@debian.org>

        PR c/14188
        * builtins.c (expand_builtin_va_arg): Emit an informative message
        if a trap is generated.
        * c-typeck.c (build_function_call): Likewise.

2004-02-22  Jakub Jelinek  <jakub@redhat.com>

        * gcov-io.c (gcov_open) [GCOV_LOCKED]: Use open + fdopen instead of
        fopen.
        * libgcov.c: Include sys/stat.h.
        * config/rs6000/linux.h (TARGET_HAS_F_SETLKW): Define.
        * config/rs6000/linux64.h (TARGET_HAS_F_SETLKW): Define.
        * config/sparc/linux.h (TARGET_HAS_F_SETLKW): Define.
        * config/sparc/linux64.h (TARGET_HAS_F_SETLKW): Define.

2004-02-22  Kazu Hirata  <kazu@cs.umass.edu>

        * reorg.c: Remove comments about dead ports.

2004-02-22  Christopher Faylor  <cgf@redhat.com>

        * config.gcc (i[34567]86-*-pe|i[34567]86-*-cygwin*): *Really* specify
        extra host object file when targetting cygwin rather than generic
        object files.

2004-02-22  Josef Zlomek  <zlomekj@suse.cz>

        Merge from tree-ssa:
        2003-11-20  Richard Henderson  <rth@redhat.com>

                * tree-inline.c (insert_decl_map): New.
                (remap_decl, remap_type, remap_block, copy_body_r,
                initialize_inlined_parameters, declare_return_variable,
                remap_save_expr): Use it.

        * function.c (copy_body_r): Add mapping from id->ret_label to
        id->ret_label.  Revert test for ret_label.

2004-02-22  Jakub Jelinek  <jakub@redhat.com>

        * genoutput.c (process_template): Strip trailing whitespace in @
        templates and issue a warning if there was any.

2004-02-21  Christopher Faylor  <cgf@redhat.com>

        * config.gcc (i[34567]86-*-pe|i[34567]86-*-cygwin*): Specify extra host
        object file when targetting cygwin.
        * config/i386/t-cygwin (EXTRA_GCC_OBJS): Remove definition since it is
        overridden by top-level Makefile.

2004-02-21  Roger Sayle  <roger@eyesopen.com>

        * config/i386/i386.c (standard_80387_constant_p): Also prefer
        the x87's load constant instructions when optimizing for size.

2004-02-21  Kazu Hirata  <kazu@cs.umass.edu>

        * combine.c (SHIFT_COUNT_TRUNCATED): Remove.
        * defaults.h (SHIFT_COUNT_TRUNCATED): Provide the default.
        * expmed.c: Assume SHIFT_COUNT_TRUNCATED is always defined.
        * fold-const.c: Likewise.
        * simplify-rtx.c: Likewise.

2004-02-21  Alan Modra  <amodra@bigpond.net.au>

        * combine.c (can_combine_p): Don't ignore SETs marked with
        REG_EH_REGION notes.
        (try_combine): When attemting to fix unrecognized insns, don't
        split a PARALLEL that contains the original i2.

2004-02-21  Ziemowit Laski  <zlaski@apple.com>

        * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Refer to
        SUBTARGET_OPTION_TRANSLATE_TABLE for architecture-specific options.
        * config/i386/darwin.h (SUBTARGET_OPTION_TRANSLATE_TABLE): Define it.
        * config/rs6000/altivec.h: #error out if '-maltivec' not specified.
        (vector, pixel, bool): #define to __vector, __pixel and __bool.
        (__un_args_eq, __bin_args_eq, __tern_args_eq): Move to C-specific
        portion of header.
        (__altivec_link_error_invalid_argument): Remove prototype; will use
        __builtin_altivec_compiletime_error("vec_*") instead.
        (vec_*): Fix/complete set of available operation overloads given the
        existence of distinct 'vector bool ...' and 'vector pixel' types; tighten
        cv-correctness of pointer arguments; in C, always check for correct
        argument types before macro expansion.
        * config/rs6000/darwin.h (SUBTARGET_OPTION_TRANSLATE_TABLE): New macro
        defining Darwin/PowerPC-specific '-f[no-]altivec' and
        '-W[no-]altivec-long-deprecated' switches.
        * config/rs6000/rs6000-c (rs6000_cpu_cpp_builtins): Pre-define
        '__vector', '__pixel' and '__bool' macros using
        '__attribute__((altivec(...)))' types.
        * config/rs6000/rs6000.c (bool_char_type_node, bool_short_type_node,
        bool_int_type_node, pixel_type_node, bool_V16QI_type_node,
        bool_V8HI_type_node, bool_V4SI_type_node, pixel_V8HI_type_node):
        New type nodes.
        (rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch): New, for
        handling '-W[no-]altivec-long-deprecated'.
        (rs6000_override_options): Handle '-W[no-]altivec-long-deprecated'.
        (rs6000_expand_binop_builtin, rs6000_expand_ternop_builtin,
        altivec_expand_dst_builtin): Remove casts from integer literals.
        (altivec_expand_builtin): Likewise; handle expansion of new
        '__builtin_altivec_compiletime_error' function.
        (rs6000_init_builtins): Initialize 'vector bool ...' and 'vector pixel'
        types, and make them distinct from other vector types; register
        '__builtin_altivec_compiletime_error' function.
        (print_operand): For 'P', print a full target register name instead of
        merely its number.
        (rs6000_attribute_table): Add "altivec" attribute.
        (rs6000_handle_altivec_attribute): New function.
        * config/rs6000/rs6000.h (TARGET_OPTIONS): Describe
        '-m[no-]-warn-altivec-long' (which '-W[no-]altivec-long-deprecated'
        maps to).
        (rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch): Forward
        declare.
        (ALTIVEC_BUILTIN_COMPILETIME_ERROR): New built-in enumeration.

2004-02-20  James E Wilson  <wilson@specifixinc.com>

        * config/ia64/ia64.md (shift_mix4left+1): Delete reload_completed
        check.
        (shift_mix4left+2): Delete redundant pattern.

2004-02-20  Kazu Hirata  <kazu@cs.umass.edu>

        * alias.c (OUTGOING_REGNO): Don't define the default.
        * builtins.c (OUTGOING_REGNO): Likewise.
        (INCOMING_REGNO): Likewise.
        (apply_args_register_offset): Always use OUTGOING_REGNO.
        * combine.c (OUTGOING_REGNO): Likewise.
        * sibcall.c (OUTGOING_REGNO): Likewise.
        * defaults.h (INCOMING_REGNO): Provide the default.
        (OUTGOING_REGNO): Likewise.

2004-02-21  Jan Hubicka  <jh@suse.cz>

        * params.def (max-peeled-insns, max-completely-peeled-insns,
        max-once-peeled-insns): Set to 400.

2004-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR c++/12007
        * dbxout.c (dbxout_parms): Check that DECL_RTL and DECL_INCOMING_RTL
        are set for parameters before outputing debugging information.

2004-02-20  Falk Hueffner  <falk@debian.org>

        PR target/14201
        * config/alpha/alpha.md (*fix_truncsfsi_ieee): Fix typoed operand
        numbers.

2004-02-20  Per Bothner  <per@bothner.com>

        * input.h:  Don't #include line-map.h.  It may cause link problems
        with undefined linemap_line_start when line-map.h is included but
        line-map.o is not linked, as currently happens with gengtype on
        compilers that don't support inline.
        * toplev.c:  So we do have to explicitly #include line-map.h here.

2004-02-20  Richard Henderson  <rth@redhat.com>

        * doc/invoke.texi: Add -Wvariadic-macros.

2004-02-20  Kazu Hirata  <kazu@cs.umass.edu>

        * haifa-sched.c (sched_emit_insn): Remove.
        * sched-int.h: Remove the corresponding prototype.

2004-02-20  Kazu Hirata  <kazu@cs.umass.edu>

        Revert:
        2004-02-19  Kazu Hirata  <kazu@cs.umass.edu>
        * opts.c (decode_options): Don't use DEFAULT_SHORT_ENUMS.
        * system.h (DEFAULT_SHORT_ENUMS): Poison.
        * config/cris/cris.h: Remove a comment about
        DEFAULT_SHORT_ENUMS.
        * config/ip2k/ip2k.h: Likewise.
        * doc/tm.texi (DEFAULT_SHORT_ENUMS): Remove.

2004-02-20  Mohan Embar  <gnustuff@thisiscool.com>
            Tom Tromey  <tromey@redhat.com>

        * doc/install.texi: Moved --disable-libgcj and
        --with-system-zlib documentation to new section for
        Java-specific options.
        Added explicit Cross-Compiler-Specific Options subheading.
        Added section for Java-specific options.

2004-02-20  Matt Kraai  <kraai@alumni.cmu.edu>

        * doc/install.texi (Building the Ada compiler): Remove
        example.

2004-02-20  James E Wilson  <wilson@specifixinc.com>

        * toplev.c (dump_file_index, dump_file): Put ce3 before rnreg.

2004-02-20  Kazu Hirata  <kazu@cs.umass.edu>

        * gcc.c (process_command): Allow translation of the copyright
        symbol but not the rest of the copyright message.
        * gcov.c (print_version): Likewise.  Allow translation of the
        message about warranty.

2004-02-20  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.md ("*andsi_movu"): Correct parentheses in
        predicate.
        ("*andsi_clear"): Tweak constraints to not match postincrement.
        Adjust the predicate to exclude a volatile memory reference.
        ("*andhi_clear"): Ditto.  Rename from "*andhi_clear_signed".
        ("*andhi_clear_unsigned"): Remove, non-matching pattern.

2004-02-19  Matt Kraai  <kraai@alumni.cmu.edu>

        * move-if-change: Remove.
        * Makefile.in (s-mlib, c-parse.y, s-check, s-gencheck)
        (s-specs, s-options, s-config, s-conditions, s-flags, s-codes)
        (s-constants, s-emit, s-recog, s-opinit, s-extract, s-peep)
        (s-attr, s-attrtab, s-output, s-genrtl, s-modes, s-preds)
        (s-gtyp-gen, s-iov): Use the top level move-if-change.
        * objc/Make-lang.in (objc/objc-parse.y): Likewise.

2004-02-19  James E Wilson  <wilson@specifixinc.com>

        * config/i386/i386.md (doloop_end_internal): Use nonimmediate_operand
        for operand2.  Add condition that requires register_operand operand2
        before reload.

2004-02-19  Richard Sandiford  <rsandifo@redhat.com>
            Maciej W. Rozycki  <macro@ds2.pg.gda.pl>

        * config/mips/mips.c (mips_address_insns): Treat BLKmode specially.
        * config/mips/mips.md: Expand comment above unaligned loads and stores.

2004-02-19  Richard Henderson  <rth@redhat.com>

        * Makefile.in (STRICT2_WARN): Add -Wno-variadic-macros.
        * tree.c (build0, build1, build2, build3, build4): Split out from...
        (build): ... here.  Call them.
        * tree.h (build, _buildN1, _buildN2, _buildC1, _buildC2): New.

        * convert.c (convert_to_integer): Remove extra build argument.
        * tree-inline.c (expand_call_inline): Likewise.

2004-02-19  Richard Henderson  <rth@redhat.com>

        * c-opts.c (warn_variadic_macros): New.
        (c_common_handle_option): Set it.
        (sanitize_cpp_opts): Copy it to cpp_opts.
        * c.opt (Wvariadic-macros): New.
        * cpplib.h (struct cpp_options): Add warn_variadic_macros.
        * cppinit.c (cpp_create_reader): Initialize it.
        * cppmacro.c (parse_params): Check it.

2004-02-19  David Daney <ddaney@avtrex.com>

        PR preprocessor/14198
        * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Add
        builtin_assert ("machine=mips")

2004-02-19  Kazu Hirata  <kazu@cs.umass.edu>

        * opts.c (decode_options): Don't use DEFAULT_SHORT_ENUMS.
        * system.h (DEFAULT_SHORT_ENUMS): Poison.
        * config/cris/cris.h: Remove a comment about
        DEFAULT_SHORT_ENUMS.
        * config/ip2k/ip2k.h: Likewise.
        * doc/tm.texi (DEFAULT_SHORT_ENUMS): Remove.

2004-02-19  Zack Weinberg  <zack@codesourcery.com>

        * config/ia64/ia64.c (ia64_function_arg): In big-endian mode,
        when passing single SFmode quantities in general registers,
        put them in the high half.

2004-02-19  Aldy Hernandez  <aldyh@redhat.com>

        * doc/md.texi (Standard Names): Document additional dependency on
        fix pattern.

        * optabs.c (ftruncify): Remove.
        (expand_fix): Manually inline ftruncify above.
        (can_fix_p): Add FIXME note.

2004-02-19  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/spe.md (spe_fixunssfsi2): Rename to
        spe_fixuns_truncsfsi2.

        * config/rs6000/rs6000.md (fixunssfsi2): Rename to
        fixuns_truncsfsi2.

2004-02-19  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
        * testsuite/gcc.dg/20040219-1.c: New test.

2004-02-19  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("*subdf3_cc", "*subdf3_cconly", "*subsf3_cc",
        "*subsf3_cconly"): Subtraction is not commutative.

2004-02-19  Zack Weinberg  <zack@codesourcery.com>

        * sdbout.c (preinit_symbols, sdbout_initialized): New statics.
        (sdbout_symbol): If called before sdbout_init, queue DECL for
        later and return.
        (sdbout_init): Set sdbout_initialized true, process decls
        queued earlier by sdbout_symbol.
        (sdbout_finish): Use size_t for index variable.

2004-02-19  Jeff Law  <law@redhat.com>

        * fold-const.c (invert_truthvalue): Do not call invert_tree_comparison
        for unordered comparison codes.

2004-02-19  Ian Lance Taylor  <ian@wasabisystems.com>

        * reload1.c (reload): Correct comment.
        (scan_paradoxical_subregs): Remove #if 0 and old comment.
        * doc/extend.texi (Local Reg Vars): Remove obsolete comment that
        register variables are not used by reload.

2004-02-19  Hans-Peter Nilsson  <hp@axis.com>

        PR target/14209
        * config/cris/cris.md ("*andsi_movu", "*andhi_movu"): Tweak
        constraints to not match postincrement.  Adjust the predicate to
        exclude a volatile memory reference.

2004-02-19  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mcore/mcore.h (ASM_OUTPUT_EXTERNAL): Remove.

2004-02-19  Kazu Hirata  <kazu@cs.umass.edu>

        * hooks.c (hook_void_tree_int): Remove.
        (hook_void_constcharptr): Likewise.
        (hook_int_void_0): Likewise.
        * hooks.h: Remove the prototypes for the above three
        functions.
        * targhooks.c (hook_bool_machine_mode_true): Remove.
        * targhooks.h: Remove the prototype for
        hook_bool_machine_mode_true.

2004-02-19  Kazu Hirata  <kazu@cs.umass.edu>

        * emit-rtl.c (subreg_realpart_p): Remove.
        (reorder_insns_with_line_notes): Likewise.
        (end_full_sequence): Likewise.
        * rtl.h: Remove the prototype for the above functions.

2004-02-19  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arc/arc.h, config/arm/arm.h, config/frv/frv.h,
        config/h8300/h8300.h, config/i386/i386.h, config/i860/i860.h,
        config/iq2000/iq2000.h, config/m32r/m32r.h,
        config/pdp11/pdp11.h, config/sparc/sparc.h,
        config/xtensa/xtensa.h: Remove commented-out or useless
        definitions of CASE_VECTOR_PC_RELATIVE.

2004-02-19  Kazu Hirata  <kazu@cs.umass.edu>

        * loop.c (all_sets_invariant_p): Remove.

2004-02-19  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/12916
        * config/sparc/sparc.h (NPARM_REGS): Delete.
        (BASE_RETURN_VALUE_REG): Likewise.
        (BASE_OUTGOING_VALUE_REG): Likewise.
        (BASE_PASSING_ARG_REG): Likewise.
        (BASE_INCOMING_ARG_REG): Likewise.
        * config/sparc/sparc.c (sparc_strict_argument_naming): Test
        TARGET_ARCH64, not TARGET_V9.
        (function_arg_slotno): Dispatch based on the mode class.
        Handle vector modes like floating-point modes.
        (function_arg_record_value_1): Handle vector types like
        floating-point types.
        (function_arg_record_value_2): Likewise.
        Calculate regno after mode transformation.
        (function_arg): Handle vector modes like floating-point modes.
        (function_arg_partial_nregs): Replace NPARM_REGS by SPARC_INT_ARG_MAX.
        If ARCH64, do not recheck alignment.
        (function_arg_pass_by_reference): Reorder the conditions.
        (sparc_return_in_memory): Move after function_arg_padding.
        Implement calling conventions for vector modes.
        (sparc_struct_value_rtx): Move after sparc_return_in_memory.
        (function_value): Move scope of 'regbase'.
        Implement calling conventions for vector modes.
        (sparc_builtin_saveregs): Replace NPARM_REGS by SPARC_INT_ARG_MAX
        and BASE_INCOMING_ARG_REG by SPARC_INCOMING_INT_ARG_FIRST.
        (sparc_va_arg): Use function_arg_pass_by_reference to test whether
        the argument is passed by reference.
        (sparc_type_code): Handle vector types.

2004-02-19  Alan Modra  <amodra@bigpond.net.au>

        * function.c (assign_parms): When building decl_rtl for
        SPLIT_COMPLEX_ARGS, ensure inner modes of concat match outer.

2004-02-19  Olivier Hainque  <hainque@act-europe.fr>

        * expr.c (is_aligning_offset): Check if we are aligning the
        expressions's address over BIGGEST_ALIGNMENT in bytes, not
        in bits.

2003-02-18  Matt Austern  <austern@apple.com>

        * gcc.c (LIBGCC_SPEC): If REAL_LIBGCC_SPEC is defined, and
        LIBGCC_SPEC isn't, set LIBGCC_SPEC to REAL_LIBGCC_SPEC.
        (init_gcc_spec): Don't define or call if REAL_LIBGCC_SPEC is
        defined.  Instead use REAL_LIBGCC_SPEC, unmodifed, as the libgcc
        spec string.
        * doc/tm.texi (REAL_LIBGCC_SPEC): Document.

2004-02-18  Zack Weinberg  <zack@codesourcery.com>

        * dwarf2out.c (loclabel_num): Move outside #ifdef
        DWARF2_DEBUGGING_INFO and mark with GTY(()).
        * config/ia64/ia64.c (struct extern_func_list,extern_func_head):
        Mark with GTY(()).
        (ia64_hpux_add_extern_decl): Save the decl, not the name string.
        Allocate memory with ggc_alloc.  No need to copy anything.
        (ia64_hpux_file_end): Update to match.

2004-02-18  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (override_options): Don't imply 3DNow! for -m64
        by default.

2004-02-18  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("divmodtidi3"): Use canonical RTL.
        ("divmodtisi3"): Likewise.
        ("udivmoddi4", "udivmodtidi3"): Likewise.
        ("divmodsi4", "divmoddisi3"): Likewise.
        ("udivmodsi4", "udivmoddisi3"): Likewise.
        ("udivsi3", "umodsi3"): Likewise.

2004-02-18  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_mainpool_start): Delete the main pool
        placeholder insn when chunkifying the pool.

2004-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.h (PIC_OFFSET_TABLE_REGNUM): Define to INVALID_REGNUM when not
        generating PIC code.

2004-02-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Add a prototype for
        h8300_expand_branch.
        * config/h8300/h8300.c (h8300_expand_branch): New.
        * config/h8300/h8300.md (ble, bleu, bge, bgeu, blt, bltu, bgt,
        bgtu, beq, bne): Call h8300_expand_branch().

2004-02-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Add prototypes for
        h8300_hard_regno_nregs and h8300_hard_regno_mode_ok.
        * config/h8300/h8300.c (h8300_hard_regno_nregs): New.
        (h8300_hard_regno_mode_ok): Likewise.
        * config/h8300/h8300.h (HARD_REGNO_NREGS): Call
        h8300_hard_regno_nregs().
        (HARD_REGNO_MODE_OK): Call h8300_hard_regno_mode_ok().

2004-02-18  Per Bothner  <per@bothner.com>

        * cpphash.h (struct cpp_buffer):  Restore return_at_eof field.  This
        partly reverts my 2003-10-01 change, because we're back to logically
        including <command line> inside the main line.
        * cpplex.c (_cpp_get_fresh_line):  Check return_at_eof field.
        * cppmacro.c (cpp_scan_nooutput):  Set return_at_eof of current buffer.
        Fixes PR preprocessor/14103.

        * cppfiles.c (_cpp_stack_include):  When appropriate decrement
        line_table's highest_location, fixing LAST_SOURCE_LINE_LOCATION.
        (cpp_push_include):  Don't need to increment pfile's line field.
        * line-map.h (LAST_SOURCE_LINE_LOCATION):  Only decrement by 1.

        * c-ppoutput.c (print struct):  New first_time field.
        (init_pp_output):  Set print.first_time.
        (pp_file_change):  Use print.first_time, rather than MAIN_FILE_P,
        which is set also for (say) <command line>.  Clear print.first_time.

        * cppfiles.c (struct _cpp_file):  Comment and type for pch field
        does not match the code, so fix both.
        (should_stack_file):  Inline include_pch_p function.
        (include_pch_p):  Remove pointless function.

        * cpphash.h (struct cpp_buffer):  Remove unused search_cached field.

2004-02-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (four define_peephole2's): Use
        h8300_regs_ok_for_stm().

2004-02-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Update the prototype for
        expand_a_rotate().
        * config/h8300/h8300.c (expand_a_rotate): Remove the first
        argument.
        * config/h8300/h8300.md: Update all callers.

2004-02-18  Jan Hubicka  <jh@suse.cz>

        * simplify-rtx.c (simplify_unary_operation): Deal with logicals on
        floats.
        (simplify_binary_operation): Deal with logicals on floats.

        * i386.md (SSE fabs splitters): Emit new patterns.
        (SSE cmov splitters): Likewise.
        (sse_andv4sf3, sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3
        (sse_andv2df3, sse_nandv2df3, sse_iorv2df3, sse_xorv2df3): Do not use
        subregs.
        (sse_andsf3, sse_nandsf3, sse_xorsf3): Kill.
        (sse_anddf3, sse_nanddf3, sse_xordf3): Kill.

2004-02-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (expand_a_rotate): Don't generate insns
        by hand.
        (output_a_rotate): Tweak a comment.
        * config/h8300/h8300.md (*rotlqi3_1): Change to rotlqi3_1.
        (*rotlhi3_1): Change to rotlhi3_1.
        (*rotlsi3_1): Change to rotlsi3_1.

2004-02-18  Richard Earnshaw  <rearnsha@arm.com>

        PR target/13866
        * arm.c (load_multiple_operation): Don't insist that the source reg
        of a post-increment component is the same as the destination.
        (store_multiple_operation): Likewise.

2004-02-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Move movsf patterns into one section
        of the file.

2004-02-18  Kazu Hirata  <kazu@cs.umass.edu>

        * cfgloop.h, cfgloopanal.c, cpplex.c, except.h, loop-init.c,
        loop-unroll.c, scan-decls.c, scan.h, stor-layout.c,
        xcoffout.c, xcoffout.h, config/arm/mmintrin.h,
        config/mips/linux64.h, config/pa/pa-64.h,
        config/rs6000/aix51.h, config/rs6000/aix52.h,
        config/rs6000/spe.md, config/sparc/linux.h,
        config/sparc/linux64.h: Update copyright.

2004-02-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Move push patterns into one
        section of the file.

2004-02-18  Mark Mitchell <mark@codesourcery.com>

        PR c++/11326
        * config/ia64/ia64.c (ia64_struct_value_rtx): Cope with NULL
        fntype.

2004-02-18  Paul Brook  <paul@codesourcery.com>

        * rtlanal.c (rtx_varies_p): Return 0 for NULL_RTX

2004-02-18  Paul Brook  <paul@codesourcery.com>

        PR debug/12934
        * dwarf2out.c (loc_descriptor_from_tree): Handle
        EXPR_WITH_FILE_LOCATION.

2004-02-18  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.md (zero_extendqidi2, zero_extendqidi2,
        testdi_1_rex64, anddi_2, xordi_1_rex64, xordi_2_rex64): Remove
        trailing whitespace from instructions.

2004-02-17  Geoffrey Keating  <geoffk@apple.com>

        * configure.ac: When generating auto-build.h, pass
        --enable-languages to the sub-configure.
        Put quotes around ${program_transform_name} when generating
        name of as, ld, nm, objdump.
        * configure: Regenerate.

2004-02-17  Matt Kraai  <kraai@alumni.cmu.edu>

        * Makefile.in (s-check, s-config, s-conditions, s-flags)
        (s-codes, s-constants, s-emit, s-recog, s-opinit, s-extract)
        (s-peep, s-attr, s-attrtab, s-output, s-genrtl, s-modes)
        (s-preds, s-iov): Do not depend on move-if-change.

2004-02-17  James E Wilson  <wilson@specifixinc.com>

        * caller-save.c (insert_restore): Pass mem through copy_rtx.
        (insert_save): Likewise.

2004-02-17  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (h8300_emit_stack_adjustment): Fix a
        warning.

2004-02-17  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*one_complsi2_h8300): Change to
        *one_cmplsi2_h8300.
        (*one_complsi2_h8300hs): Change to *one_cmplsi2_h8300hs.

2004-02-17  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Update the prototype of
        fix_bit_operand().
        * config/h8300/h8300.c (fix_bit_operand): Remove the second
        argument "what".
        * config/h8300/h8300.md: Update all callers.

2004-02-17  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (fix_bit_operand): Change the name of
        the last argument to "code" from "type".

2004-02-17  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c: Remove an extern declaration of
        rtx_equal_function_value_matters.

2004-02-17  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (fix_bit_operand): Don't generate insns
        by hand.
        * config/h8300/h8300.md (*andqi3_1): Change to andqi3_1.
        (*iorqi3_1): Change to iorqi3_1.
        (*xorqi3_1): Change to xorqi3_1.

2004-02-17  Kazu Hirata  <kazu@cs.umass.edu>

        * c-common.c, cfghooks.c, rtlanal.c, varasm.c: Fix comment
        typos.

2004-02-17  Jan Hubicka  <jh@suse.cz>

        * i386.c (x86_prologue_using_move, x86_epilogue_using_move): Disable for P4.

2004-02-18  Alan Modra  <amodra@bigpond.net.au>

        PR optimization/14119
        * combine.c (try_combine): When attemting to fix unrecognized insns,
        don't delete SETs marked with REG_EH_REGION notes.

2004-02-17  Ulrich Weigand  <uweigand@de.ibm.com>

        * combine.c (simplify_if_then_else): Do not replace
        (if_then_else (ne reg 0) (0) (const_int)) by (reg) if the
        modes differ.

2004-02017  Steven Bosscher  <stevenb@suse.de>

        * (c-decl.c, c-semantics.c, calls.c, cgraph.c, cgraphunit.c,
        function.c, integrate.c, print-tree.c, toplev.c, tree-optimize.c,
        tree.h): Replace DECL_SAVED_INSNS with DECL_STRUCT_FUNCTION.
        * ada/utils.c: Likewise.
        * cp/decl.c: Likewise.
        * f/com.c: Likewise.
        * java/class.c: Likewise.

2004-02-17  Kazu Hirata  <kazu@cs.umass.edu>

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

2004-02-17  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/mips/t-iris6gld: Renamed to ...
        * config/mips/t-irix-gld: ... this.
        * config.gcc (mips-sgi-irix6*): Reflect this
        (mips-sgi-irix5*): Use it with GNU ld.

        * config/mips/irix6-crti.asm, config/mips/irix6-crtn.asm: Renamed
        to ...
        * config/mips/irix-crti.asm, config/mips/irix-crtn.asm: ... this.
        * config/mips/t-irix-gld: Reflect this.
        * config/mips/iris6gld.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.

        * config/mips/iris5gld.h: New file.
        * config.gcc (mips-sgi-irix5*): Use it with GNU ld.
        Only use collect2 without gas.

        * config/mips/iris6.h (IRIX6_STARTFILE_SPEC, IRIX6_ENDFILE_SPEC):
        Renamed to IRIX_STARTFILE_SPEC, IRIX_ENDFILE_SPEC.
        (STARTFILE_SPEC, ENDFILE_SPEC, SUBTARGET_EXTRA_SPECS): Reflect this.
        * config/mips/iris6gld.h (STARTFILE_SPEC, ENDFILE_SPEC): Likewise.

        * config/mips/iris6.h (SUBTARGET_EXTRA_SPECS): Moved ...
        * config/mips/iris5.h: ... here.

        * config/mips/iris5.h (STARTFILE_SPEC, ENDFILE_SPEC): Renamed to
        IRIX_STARTFILE_SPEC, IRIX_ENDFILE_SPEC.
        (STARTFILE_SPEC, ENDFILE_SPEC): Define.

        * config/mips/iris5gas.h (STARTFILE_SPEC, ENDFILE_SPEC): Simplify
        using irix_startfile_spec, irix_endfile_spec.

2004-02-16  Gunther Nikl  <gni@gecko.de>

        * config/m68k/m68k.c: Remove obsolete support for HPUX_ASM.

2004-02-17  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (h8300_expand_prologue): Don't generate
        insns by hand.

2004-02-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * cfghooks.c (split_edge): Speed up updating of dominators.

2004-02-17  Mark Mitchell  <mark@codesourcery.com>

        PR c++/11326
        * c-common.c (flag_abi_version): Remove.
        * c-common.h (flag_abi_version): Likewise.
        * c-opts.c (c_common_handle_option): Remove OPT_fabi_version case.
        * c.opt (fabi-version): Remove.
        * calls.c (expand_call): Always pass a function type to
        struct_value_rtx.  Use convert_memory_address.
        * common.opt (fabi-version): Add it.
        * flags.h (flag_abi_version): Likewise.
        (abi_version_at_least): New macro.
        * opts.c (common_handle_option): Add OPT_fabi_version.
        * toplev.c (flag_abi_version): Define it.
        * config/ia64/ia64.c (ia64_struct_retval_addr_is_first_parm_p):
        New function.
        (ia64_output_mi_thunk): Use it.
        (ia64_struct_value_rtx): Likewise.

2004-02-17  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (h8300_emit_stack_adjustment):
        Don't generate insns by hand.

2004-02-17  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c++/14178
        * doc/invoke.texi (fabi-version): The default is 2 now.

2004-02-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * loop-iv.c: New file.
        * Makefile.in (loop-iv.o): New.
        * basic_block.h (FOR_BB_INSNS, FOR_BB_INSNS_REVERSE): New macros.
        * cfgloop.c (fill_sons_in_loop, get_loop_body_in_dom_order,
        num_loop_branches): New functions.
        * cfgloop.h (get_loop_body_in_dom_order, num_loop_branches,
        iv_analysis_loop_init, iv_get_reaching_def, iv_analyse, get_iv_value,
        find_simple_exit, iv_number_of_iterations, iv_analysis_done,
        get_simple_loop_desc, free_simple_loop_desc): Declare.
        (simple_loop_desc): New inline function.
        (struct rtx_iv, struct niter_desc): New.
        * cfgloopmanip.c (loopify): Specify semantics more precisely.
        * expr.c (force_operand): Handle subregs of expressions created by
        loop unroller.
        * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Move
        parts of the initialization to toplev.c
        * loop-unroll.c (loop_exit_at_end_p): New.
        (unroll_and_peel_loops): Call iv_analysis_done.
        (decide_peel_once_rolling, decide_peel_completely,
        decide_unroll_stupid, decide_unroll_constant_iterations,
        decide_unroll_runtime_iterations, decide_peel_simple,
        peel_loop_simple, unroll_loop_stupid, unroll_loop_constant_iterations,
        unroll_loop_runtime_iterations): Use new simple loop analysis.
        * loop-unswitch.c (compare_and_jump_seq): New.
        (may_unswitch_on_p): Renamed to ...
        (may_unswitch_on): Use new iv analysis.
        (reversed_condition): Export.
        (unswitch_single_loop, unswitch_loop): Use new iv analysis.
        * predict.c (estimate_probability): Use new simple loop analysis.
        * rtl.h (get_mode_bounds, reversed_condition,compare_and_jump_seq,
        canon_condition, simplify_using_condition): Declare.
        * stor-layout.c (get_mode_bounds): New.
        * toplev.c (rest_of_handle_loop2): Some parts of
        initialization/finalization moved here from loop-init.c.

2004-02-17  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.h (FIXED_REGISTERS): Add the soft frame
        pointer.
        (CALL_USED_REGISTERS): Likewise.
        (REG_ALLOC_ORDER): Likewise.
        (REG_CLASS) <GENERAL_REGS>: Likewise.

2004-02-16  Geoffrey Keating  <geoffk@apple.com>

        * doc/md.texi (Insn Canonicalizations): Document left-chaining
        in associative operators.
        * rtlanal.c (commutative_operand_precedence): Create some new
        variables.  Prefer a commutative operand on the left, then
        binary expressions, then NEG and NOT.

2004-02-16  Matthias Klose  <doko@debian.org>

        * config/t-slibgcc-elf-ver: Define SHLIB_NAME and SHLIB_SONAME
        in terms of SHLIB_SOVERSION.
        * config/m68k/t-slibgcc-elf-ver: New file.
        * config/pa/t-slibgcc-elf-ver: New file.
        * config.gcc (m68k-linux, parisc-linux): Use them when not
        sjlj exceptions are not configured.

2004-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (get_pc_symbol_name): Mark with GTY(()).

2004-02-16  Zack Weinberg  <zack@codesourcery.com>

        * sdbout.c (sdb_debug_hooks): Correct the type_decl entry.

2004-02-16  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/sourcebuild.texi: Mention backends.html.

2004-02-16  Kazu Hirata  <kazu@cs.umass.edu>

        * c-decl.c, c-ppoutput.c, cpphash.h, cpplib.h, dbxout.c,
        line-map.c, line-map.h, var-tracking.c: Fix comment
        formatting.

2004-02-16  Richard Henderson  <rth@redhat.com>

        * cse.c (cse_insn): Don't lose REG_NON_LOCAL_GOTO note.

        * fold-const.c (operand_equal_p): Fix VECTOR_CST comparison.

2004-02-15  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Remove unnecessary parallels from
        all define_insn and define_split patterns.

2004-02-15  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Remove explicit (set_attr "cc"
        "clobber").

2004-02-15  Bernardo Innocenti  <bernie@develer.com>

        * config/m68k/m68k.h (PRINT_OPERAND_PUNCT_VALID_P): Restore support for
        '%#'.

2004-02-15  Kazu Hirata  <kazu@cs.umass.edu>

        * config/ia64/ia64.c, config/mips/mips.c,
        config/mmix/mmix-modes.def: Fix comment typos.

2004-02-15  Roger Sayle  <roger@eyesopen.com>

        * c-common.h (GET_DIRECTIVE_LINE): Remove unused macro.
        (get_directive_line): Remove unused function prototype.

2004-02-14  Josef Zlomek  <zlomekj@suse.cz>

        * tree-inline.c (copy_body_r): Do not replace ret_label.

2004-02-14  Jan Hubicka  <jh@suse.cz>

        * i386.c (x86_four_jump_limit): New variable.
        (k8_avoid_jump_misspredicts): Rename to ...
        (ix86_avoid_jump_misspredicts): .. this one.
        (ix86_pad_returns): Break out from ...
        (ix86_reorg): ... this one; do ix86_avoid_jump_misspredicts when asked
        to.
        * i386.h (TARGET_FOUR_JUMP_LIMIT): New macro.

2004-02-14  Josef Zlomek  <zlomekj@suse.cz>

        * emit-rtl.c (set_decl_incoming_rtl): Check whether the 0th element of
        PARALLEL is NULL.

2004-02-14  Per Bothner  <per@bothner.com>

        * fix-header.c (line_table):  Move local variable in main to global.
        * scan.h (line_table):  Use it.
        * scan-decls.c (scan_decls):  Need to call linemap_lookup on token's
        line (recently renamed to src_loc) before calling recognized_function.

2004-02-14  Matt Kraai  <kraai@alumni.cmu.edu>

        * Makefile.in: Fix comment typos.

2004-02-14  Olivier Hainque  <hainque@act-europe.fr>

        * loop.c (check_dbra_loop): Use gen_int_mode instead of GEN_INT
        for start_value when it is directly moved into reg, and factorize
        the retrieval of GET_MODE (reg).

2004-02-14  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips-protos.h (mips_load_got_page): Delete.
        (mips_load_got_global): Delete.
        (mips_gotoff_page): Declare.
        * config/mips/mips.md (UNSPEC_LOAD_GOT): New constant.
        (*xgot_lo[sd]i, *got_disp[sd]i, *got_page[sd]i): Build an
        UNSPEC_LOAD_GOT pattern rather than a MEM.
        (*load_got[sd]i): New patterns.
        * config/mips/mips.c (mips_got_alias_set, mips_load_got): Delete.
        (mips_load_got_page, mips_load_got_global): Delete.
        (mips_gotoff_page): New function.
        (override_options): Don't initialize mips_got_alias_set.

2004-02-14  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (MASK_DEBUG_[ABEFI], TARGET_DEBUG_[ABEFI]_MODE)
        (TARGET_MIPS4100, TARGET_MIPS4300, TARGET_MIPS4KC, TARGET_MIPS5KC)
        (TARGET_SB1, TUNE_SB1, TUNE_SR71K, BIGGEST_MAX_ARGS_IN_REGISTERS)
        (GO_PRINTF, GO_PRINTF2, GO_DEBUG_RTX, DFMODE_NAN, SFMODE_NAN): Delete.
        (TARGET_SWITCHES): Remove MASK_DEBUG_[ABEFI].
        * config/mips/mips.c: Fix some overly-long lines.
        (SINGLE_WORD_MODE_P, PIC_OFFSET_TABLE_MASK): Delete.
        (init_cumulative_args): Remove TARGET_DEBUG_E_MODE handling.

2004-02-13  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * configure.ac: Search for as, ld below libexec/gcc.
        * configure: Regenerate.

2004-02-14  Ben Elliston  <bje@wasabisystems.com>

        * config/arm/mmintrin.h (_mm_setwcx): Reverse arguments in call to
        __builtin_arm_setwcx ().
        * config/arm/arm.c (arm_expand_builtin): Generate operands
        correctly and reverse their order in call to gen_iwmmxt_tmcr ().

2004-02-14  Ben Elliston  <bje@wasabisystems.com>

        * config/arm/arm.c (bdesc_2arg): Correct builtin names "wmulsh"
        and "wmuluh" to "wmulsm" and "wmulum", respectively.
        * config/arm/arm.h (enum arm_builtins): Rename enumerators to
        ARM_BUILTIN_WMULSM and ARM_BUILTIN_WMULUM.
        * config/arm/mmintrin.h (_mm_mulhi_pi16): Update intrinsic call.
        (_mm_mulhi_pu16): Likewise.

2004-02-13  Zack Weinberg  <zack@codesourcery.com>

        * xcoffout.c (xcoff_assign_fundamental_type_number): Check
        DECL_NAME != 0 before dereferencing.

2004-02-13  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390-protos.h (s390_output_symbolic_const): Remove.
        (s390_output_addr_const_extra): Declare.
        (s390_output_pool_entry): Remove FILE * argument.
        * config/s390/s390.c (s390_output_symbolic_const): Remove.
        (s390_output_addr_const_extra): New function.
        (print_operand_address): Call output_addr_const instead of
        s390_output_symbolic_const.
        (print_operand): Likewise.
        (s390_output_pool_entry): Use assemble_integer for symbolic constants.
        Remove FILE * argument.
        * config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Define.
        * config/s390/s390.md ("*pool_entry"): Adapt s390_output_pool_entry
        call.

2004-02-13  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * cfgloopanal.c (mark_irreducible_loops): Rewriten.
        (struct edge, struct vertex, struct graph): New.
        (dump_graph, new_graph, add_edge, dfs, check_irred, for_each_edge,
        free_graph): New functions.

2004-02-12  Chris Demetriou  <cgd@broadcom.com>

        * config/mips/mips.md (casesi_internal, casesi_internal_di):
        Use ".set macro" to avoid warnings about multi-instruction
        macros, since they're intentional.

2004-02-12  Geoffrey Keating  <geoffk@apple.com>

        * config/darwin.h: Add include guards.  Remove old, now incorrect,
        comment about STANDARD_EXEC_PREFIX.

        * Makefile.in (install-man): Use $(CPP_INSTALL_NAME) and
        $(GCOV_INSTALL_NAME) to install manpages.  Remove generic rule
        for installing .1 manpages.  Add rules for installing cpp
        and gcov manpages under their installed names.

2004-02-12  Alexandre Oliva  <aoliva@redhat.com>

        * configure.ac (gcc_cv_ld): Don't set to LD if target is not
        host, but try LD_FOR_TARGET first.
        * configure: Rebuilt.

2004-02-12  Zack Weinberg  <zack@codesourcery.com>

        * dbxout.c: Move declaration of dbxout_type_decl outside
        #ifdef DBX_DEBUGGING_INFO.
        * c-parse.in: Don't give the asmdef production a type.

2004-02-12  Zack Weinberg  <zack@codesourcery.com>

        * debug.h (struct gcc_debug_hooks): Add type_decl field.
        (debug_nothing_tree_int): Prototype.
        (dwarf_debug_hooks): Delete, unused.
        * debug.c (do_nothing_debug_hooks): Update.
        (debug_nothing_tree_int): New function.
        * langhooks.h (struct lang_hooks_for_decls):
        Remove builtin_type_decls field.
        * langhooks-def.h (LANG_HOOKS_BUILTIN_TYPE_DECLS): Delete.
        (LANG_HOOKS_DECLS): Update.
        * toplev.c (rest_of_decl_compilation, rest_of_type_compilation):
        Use debug_hooks->type_decl.
        * dbxout.c (preinit_symbols): New static.
        (dbx_debug_hooks, xcoff_debug_hooks): Update.
        (dbxout_init): Don't call DBX_OUTPUT_STANDARD_TYPES or
        lang_hooks.decls.builtin_type_decls.  Do scan preinit_symbols
        for symbols to output.
        (dbxout_type_decl): New function.
        (dbxout_symbol): If called before dbxout_init has run, queue
        the symbol for later.  Apply DBX_ASSIGN_FUNDAMENTAL_TYPE_NUMBER
        to TYPE_DECLs before emitting them.
        * xcoffout.c (assign_type_number): Delete.
        (xcoff_type_numbers): New static table.
        (xcoff_assign_fundamental_type_number): New function.
        * xcoffout.h: Define DBX_ASSIGN_FUNDAMENTAL_TYPE_NUMBER, not
        DBX_OUTPUT_STANDARD_TYPES.  Remove unnecessary #ifdefs.
        * sdbout.c: Include varray.h.
        (deferred_global_decls): New static.
        (sdb_debug_hooks): Update.
        (sdbout_global_decl): If we can't emit something right now,
        remember it in deferred_global_decls.
        (sdbout_finish): Just scan deferred_global_decls; don't call getdecls.
        (sdbout_init): Initialize deferred_global_decls.
        * Makefile.in: Update dependencies of sdbout.o.
        * dwarf2out.c (dwarf2out_type_decl): New function.
        (dwarf2_debug_hooks): Update.
        * vmsdbgout.c (vmsdbg_debug_hooks): Update.
        * c-decl.c (getdecls): Just return 0.
        (check_for_loop_decls): Don't use getdecls.
        (record_builtin_type): Call debug_hooks->type_decl on the TYPE_DECL.
        * c-objc-common.c (c_objc_common_finish_file): Don't use getdecls.

2004-02-12  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_sched_reorder2): Remove.
        (TARGET_SCHED_REORDER2): Do not redefine.

2004-02-12  Zack Weinberg  <zack@codesourcery.com>

        * c-parse.in (maybe_type_qual): Delete.
        (maybe_volatile, simple_asm_expr, asmdef, asm_stmt)
        (asm_argument): New grammar rules.
        (extdef_1): Use asmdef.
        (maybeasm): Move down with other asm rules; use simple_asm_expr.
        (xexpr): Move up with other expression rules.
        (stmt): Use asm_stmt.

        * c-typeck.c (build_asm_expr): New function - body mostly
        pulled from build_asm_stmt.
        (build_asm_stmt): Just handle tacking on the volatile qualifier.
        * c-tree.h (build_asm_expr, build_asm_stmt): Update prototypes.

2004-02-12  Richard Sandiford  <rsandifo@redhat.com>

        PR bootstrap/13617
        * config/mips/mips-protos.h (mips_output_aligned_decl_common): Declare.
        (mips_declare_object): Make variadic.
        * config/mips/mips.h (ASM_OUTPUT_ALIGNED_DECL_COMMON): Use
        mips_output_aligned_decl_common.
        * config/mips/mips.c (mips_output_aligned_decl_common): New function.
        (mips_declare_object): Make variadic.

2004-02-12  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * function.c (update_epilogue_consts): Teach about binary operations.

        * emit-rtl.c (set_mem_attributes_minus_bitpos): Don't kill
        previous MEM_VOLATILE in REF.
        * function.c (fixup_var_refs): Save volatile_ok and set to 1.
        * expr.c (emit_block_move_via_movstr): Save and restore volatile_ok.

2004-02-12  Gunther Nikl  <gni@gecko.de>

        * config.gcc: Restore support for m68k-openbsd.

2004-02-12  Jan Hubicka  <jh@suse.cz>

        * tree-optimize.c (tree_rest_of_compilation): Do not release
        DECL_ARGUMENTS.

2004-02-11  Matt Kraai  <kraai@alumni.cmu.edu>

        * doc/install.texi: Fix the spelling of "explicitly".

2004-02-11  Eric Christopher  <echristo@redhat.com>

        * cppcharset.c (_cpp_interpret_string_notranslate): Rename and
        duplicate argument structure of cpp_interpret_string.
        * cpphash.h: Move prototype...
        * cpplib.h: Here.
        * cpplib.c: Fix calls to match new function signature.

2004-02-11  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/456
        * cppexp.c (num_binary_op): Don't allow comma operators in #if
        constant expressions at all outside C99 mode if pedantic.

2004-02-11  Uros Bizjak  <uros@kss-loka.si>

        * optabs.h (enum optab_index): Add new OTI_log10 and OTI_log2.
        (log10_optab, log2_optab): Define corresponding macros.
        * optabs.c (init_optabs): Initialize log10_optab and log2_optab.
        * genopinit.c (optabs): Implement log10_optab and log2_optab
        using log10?f2 and log2?f2 patterns.
        * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LOG10{,F,L}
        using log10_optab, and BUILT_IN_LOG2{,F,L} using log2_optab.
        (expand_builtin): Expand BUILT_IN_LOG10{,F,L} and BUILT_IN_LOG2{,F,L}
        using expand_builtin_mathfn if flag_unsafe_math_optimizations is set.

        * config/i386/i386.md (log10sf2, log10df2, log10xf2, log2sf2,
        log2df2, log2xf2): New patterns to implement log10, log10f, log10l,
        log2, log2f and log2l built-ins as inline x87 intrinsics.

2004-02-11  Richard Henderson  <rth@redhat.com>

        PR target/1532
        * flow.c (insn_dead_p): A clobber of a dead hard register is a
        dead insn after reload.

2004-02-11  Ulrich Weigand  <uweigand@de.ibm.com>

        * tree.h (frame_base_decl): Add GTY marker.
        * var-tracking.c (frame_base_decl): Likewise.

2004-02-11  Daniel Berlin  <dberlin@dberlin.org>

        * dwarf2out.c (output_loc_list): Remove no longer necessary, and now
        incorrect, hunk.
        (add_location_or_const_value_attribute): Use text_section_label,
        not TEXT_SECTION_NAME.

2004-02-11  Per Bothner  <per@bothner.com>

        Represent column numbers using line-map's source_location.
        The "next available source_location" is now managed internally by
        line-maps.c rather than by clients.
        * line-map.h (struct line_map):  New field column_bits.
        <from_line>:  Rename field to start_location.
        (struct line_maps):  New fields highest_location and max_column_hint.
        (linemap_check_files_exited):  New declaration.
        (linemap_line_start):  New declaration.
        (linemap_add):  Remove from_line parameter; use highest_location field.
        (SOURCE_LINE, LAST_SOURCE_LINE):  Modify to use column_bits.
        (SOURCE_COLUMN, LAST_SOURCE_LINE_LOCATION):  New macros.
        (CURRENT_LINE_MAP):  Remove macro.
        (linemap_position_for_column):  New inline function.
        * line-map.c (linemap_init):  Clear new fields.
        (linemap_check_files_exited):  New function, extracted from ...
        (linemap_free):  Use linemap_check_files_exited.
        (linemap_add):  Remove from_line parameter.  Various updates.
        (linemap_line_start):  New function.
        (linemap_lookeup):  Update for new field names.
        * cpphash.h (struct cpp_reader) <map>:  Field removed.  Because
        linemap_position_for_column may unpredictably change the current map,
        it is cleaner and simpler for us to not cache it in cpp_reader.
        (struct cpp_buffer):  New sysp field.
        Changed warned_cplusplus_comments and from_stage3 to bitfields.
        * cppinit.c (cpp_read_min_file):  pfile->map no longer exists.
        * cpplib.c (do_line, do_linemarker, _cpp_do_file_change):  Get
        current map using linemap_lookup.
        (do_linemarker):  Also set buffer's sysp field.
        (destringize_and_run):  No longer need to decrement current line.
        * cppfiles.c (_cpp_stack_file):  Set sysp from and in buffer.
        (search_path_head, open_file_failed):  Use buffer's sysp.
        (cpp_make_system_header):  Get current map using linemap_lookup.
        Also set buffer's sysp flag.
        * cppmacro.c (_cpp_builtin_macro_text):  Likewise use linemap_lookup.
        * cpphash.h (CPP_INCREMENT_LINE):  New macro.
        (struct cpp_buffer):  Moved fields saved_cur, saved_rlimit to ...
        (struct cpp_reader):  ... and adding saved_line_base field.
        * cpptrad.c (_cpp_overlay_buffer, _cpp_remove_overlay):
        Update accordingly.  Don't adjust line.
        (_cpp_scan_out_logical_line):  Use CPP_INCREMENT_LINE.
        * cpphash.c (CPP_IN_SYSTEM_HEADER):  Replaced macro by ...
        (cpp_in_system_header):  ... new inline function, using buffer's sysp.
        * cpperror.c (_cpp_begin_message):  Update to use cpp_in_system_header.
        * cpplex.c (_cpp_lex_direct):  Likewise.
        * cppmacro.c (_cpp_builtin_macro_text):  Likewise.
        * cppmacro.c (_cpp_create_definition):  Use buffer's sysp field.
        * cpplib.h (struct cpp_token):  Rename line field to src_loc.
        Remove col field as it is now subsumed by src_loc.
        * cpperror.c:  Update various field, parameter, and macro names.
        (print_location):  If col==0, try SOURCE_COLUMN of line.
        (cpp_error):  Use cur_token's src_loc field, rather than line+col.
        * cpplib.c (do_diagnostic):  Token's src_loc fields replaces line+col.
        * cpplex.c (_cpp_process_line_notes, _cpp_lex_direct,
        _cpp_skip_block_comment):  Use CPP_INCREMENT_LINE.
        (_cpp_temp_token):  Replace cpp_token's line+col fields by src_loc.
        (_cpp_get_fresh_line):  Don't need to adjust line for missing newline.
        (_cpp_lex_direct):  Use linemap_position_for_column.
        * c-ppoutput.c (maybe_print_line, print_line):  Don't take map
        parameter.  Instead get it from the line_table global.  Adjust callers.
        (print):  Remove map field.  Replace line field to src_line.
        (init_pp_output, account_for_newlines, maybe_print_line):  Adjust.
        (cb_line_change):  Use SOURCE_COLUMN.  Minor optimizations.
        (pp_file_change):  Use MAIN_FILE_P since we cannot checked print.map.
        Use LAST_SOURCE_LINE_LOCATION to "catch up" after #include.
        * cpptrad.c (copy_comment):  Rename variable.
        * c-lex.c (map):  Remove static variable, for same reason we removed
        cpp_reader's map field.
        (cb_line_change, cb_def_pragma, cb_define, cb_undef):  Hence we need
        to call linemap_lookup.
        (cb_line_change):  Token's line field replaced by src_loc.
        (fe_file_change):  Use MAINFILE_P and LAST_SOURCE_LINE macros.
        Don't save new_map.

        * cpphash.h, cpperror.c, cpplib.h:  Some renames of fileline to
        source_location.

2004-02-11  Hartmut Penner  <hpenner@de.ibm.com>

        * config/rs6000/altivec.md (*movv4si_internal): At least one
        operand must be register_operand.
        (*movv8hi_internal1): Likewise.
        (*movv16qi_internal1): Likewise.
        (*movv4sf_internal1): Likewise.

2004-02-10  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/spe.md ("*movv2si_internal"): Check for register
        operand.
        (movv4hi_internal): Same.
        (movv2sf_internal): Same.
        (movv1di_internal): Same.

2004-02-11  Thiemo Seufer  <seufer@csv.ica.uni-stuttgart.de>

        * config/mips/mips.h (TARGET_OLDABI): Define. Use TARGET_NEWABI and
        TARGET_OLDABI consistently.
        * config/mips/mips.c (function_arg,mips_setup_incoming_varargs,
        mips_va_arg,override_options,compute_frame_size,
        mips_initial_elimination_offset,mips16_fp_args,build_mips16_call_stub
        ,mips_return_in_memory,mips_strict_argument_naming): Use TARGET_NEWABI
        and TARGET_OLDABI consistently.
        * config/mips/mips.md (exception_receiver): Likewise.
        * config/mips/linux64.h: Likewise.

2004-02-11  Hartmut Penner  <hpenner@de.ibm.com>

        * gcc/config/rs6000/rs6000.c (rs6000_override_options)
        Set AltiVec ABI and vrsave as default for ppc64 linux.
        (init_cumulative_args): Post error, if try to return
        value in AltiVec register without enable AltiVec.
        (function_arg_advance): Ditto for passing arguments.

2004-02-11  Richard Sandiford  <rsandifo@redhat.com>

        * emit-rtl.c (mark_label_nuses): Check that a LABEL_REF refers to
        a label before updating its usage count.

2004-02-10  Matt Kraai  <kraai@alumni.cmu.edu>

        * doc/install.texi: Remove extra cd.

2004-02-10  Ziemowit Laski  <zlaski@apple.com>

        * c-common.c (vector_size_helper): Remove; call
        reconstruct_complex_type() instead.
        * tree.c (reconstruct_complex_type): New function
        (formerly vector_size_helper() in c-common.c).
        (make_vector): Make externally visible.
        * tree.h (reconstruct_complex_type, make_vector): Add prototypes.

2004-02-10  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Add a prototype for
        h8300_regs_ok_for_stm.
        * config/h8300/h8300.c (h8300_regs_ok_for_stm): New.
        * config/h8300/h8300.md (stm_h8300s_2_advanced,
        stm_h8300s_2_normal, stm_h8300s_2, stm_h8300s_3_advanced,
        stm_h8300s_3_normal, stm_h8300s_3, stm_h8300s_4_advanced,
        stm_h8300s_4_normal, stm_h8300s_4, ldm_h8300s_2_advanced,
        ldm_h8300s_2_normal, ldm_h8300s_2, ldm_h8300s_3_advanced,
        ldm_h8300s_3_normal, ldm_h8300s_3, ldm_h8300s_4_advanced,
        ldm_h8300s_4_normal, ldm_h8300s_4): Use
        h8300_regs_ok_for_stm().

2004-02-10  Danny Smith  <dannysmith@users.sourceforge.net>

        PR c/14088
        * real.c (real_from_string): Look for 'X' as well as 'x' in
        hexfloat strings.

2004-02-10  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Remove an incorrect comment about
        peephole2.  Add comments.

2004-02-10  Josef Zlomek  <zlomekj@suse.cz>

        PR/14058
        * emit-rtl.c (set_decl_incoming_rtl): New.
        * tree.h (set_decl_incoming_rtl): New.
        * function.c (assign_parms): Use set_decl_incoming_rtl for setting
        DECL_INCOMING_RTL.
        * ada/misc.c (adjust_decl_rtl): Likewise.

2004-02-10  Per Bothner  <per@bothner.com>

        * c-opts.c (c_common_post_options):   Don't emit working directory
        in cpp output if -P was specified.

2004-02-10  Paolo Bonzini  <bonzini@gnu.org>

        PR c/14092
        * fold-const.c (fold) <NEGATE_EXPR>: Convert result of
        negate_expr back to the original type.

2004-02-10  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Don't
        bump retaddr here.

2004-02-10  Paolo Bonzini  <bonzini@gnu.org>

        * rtl.h (schedule_insns, schedule_ebbs, fix_sched_param,
        gen_lowpart_SUBREG): Move under the file in which they
        are actually declared.

2004-02-10  Arnaud Charlet  <charlet@act-europe.fr>

        * doc/sourcebuild.texi: Add libada documentation.

        * doc/install.texi: Update documentation on Ada build, now
        that the GNAT lib and tools are built automatically.

2004-02-10  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (TARGET_GPWORD): Return false for TARGET_NEWABI
        && TARGET_IRIX.

2004-02-09  Ziemowit Laski  <zlaski@apple.com>

        * objc/objc-act.c (get_super_receiver): Move '#ifdef OBJCPLUS'
        boundaries outside build_component_ref() call (a macro in ObjC++).

2004-02-09  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa-protos.h (xtensa_copy_incoming_a7): Update.
        (init_cumulative_args): Likewise.
        (a7_overlap_mentioned_p): Delete prototype.
        * config/xtensa/xtensa.c (struct machine_function): Replace
        incoming_a7_copied field with need_a7_copy and vararg_a7 flags.
        Add set_frame_ptr_insn field.
        (xtensa_emit_move_sequence): Update call to xtensa_copy_incoming_a7.
        (xtensa_copy_incoming_a7): Rewrite to check need_a7_copy flag and check
        if the operand is an argument in a7.  If so, copy a7 to a new pseudo
        at the function entry and replace the operand with the pseudo.
        (init_cumulative_args): Remove unused arguments.  Add new "incoming"
        argument and record this flag in CUMULATIVE_ARGS.
        (function_arg): Remove result_mode and special-case code to handle
        arguments in a7.  Instead, set need_a7_copy flag when there is an
        incoming argument in a7.
        (xtensa_expand_prologue): Remove code to search for set_frame_ptr insn
        and use the value recorded in cfun->machine->set_frame_ptr_insn.
        (xtensa_builtin_saveregs): Check for negative gp_left value.  Set
        need_a7_copy and vararg_a7 flags.  Use move_block_from_reg instead of
        special-case code.
        (a7_overlap_mentioned_p): Delete.
        * config/xtensa/xtensa.h (CUMULATIVE_ARGS): Add "incoming" flag.
        (INIT_CUMULATIVE_ARGS, INIT_CUMULATIVE_INCOMING_ARGS): Remove useless
        arguments to init_cumulative_args and pass "incoming" flag instead.
        (BLOCK_REG_PADDING): Delete.
        * config/xtensa/xtensa.md (movdi, movsf, movdf): Remove unnecessary
        checks for reload_in_progress and reload_completed.  Update calls to
        xtensa_copy_incoming_a7.
        (ashlsi3): Rename existing insn to ashlsi3_internal.  Add expander
        to call xtensa_copy_incoming_a7.

2004-02-09  DJ Delorie  <dj@redhat.com>

        * config/i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): No
        longer modify standard_exec_prefix, standard_bindir_prefix, or
        standard_startfile_prefix.

2004-02-09  James E Wilson  <wilson@specifixinc.com>

        PR c++/11295
        * c-common.c (c_expand_expr, case STMT_EXPR): Change expand_expr call
        to expand_expr_real call, and pass in alt_rtl as last argument.

        PR libstdc++/5625
        * builtin-types.def (BT_WORD, BT_FN_WORD_PTR): New.
        * builtins.c (expand_builtin): Handle BUILT_IN_EXTEND_POINTER.
        * builtins.def (BUILT_IN_EXTEND_POINTER): New.
        * except.c (expand_builtin_extend_pointer): New.
        * except.h (expand_builtin_extend_pointer): Declare.

2004-02-09  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_emit_move): Remove splitting slow
        unaligned loads and stores.

2004-02-09  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/mips/iris5.h (BSS_SECTION_ASM_OP): Define.
        * config/mips/iris6.h (BSS_SECTION_ASM_OP): Undef.

        * config/mips/iris6.h (TARGET_ASM_NAMED_SECTION): Moved ...
        * config/mips/iris5.h: ... here.
        * config/mips/iris5gas.h (TARGET_ASM_NAMED_SECTION): Remove.

        * config/mips/iris6.h (EXTRA_SECTION_FUNCTIONS): Move ...
        * config/mips/iris5.h: ... here.

2004-02-09  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * configure.ac: Remove default executable files before AC_PROG_CC.
        * configure: Regenerate.

2004-02-09  Kazu Hirata  <kazu@cs.umass.edu>

        PR target/13721
        * config/h8300/h8300.c (byte_reg): Call abort() if asked to
        print a operand other than a register.

2004-02-09  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold) <NOP_EXPR>: Use the original type conversion
        tree code rather than call fold_convert, which doesn't specify a
        default floating point to integer conversion.

2004-02-08  Bernardo Innocenti  <bernie@develer.com>

        * config/m68k/m68k.c, config/m68k/m68k.md (SGS, SGS_CMP_ORDER): Remove
        code to support SGS assembler.  Reformat adjacent code where possible.
        * config/m68k/m68k.c (switch_table_difference_label_flag): Remove
        definition.
        * config/m68k/m68k.h (PRINT_OPERAND_PUNCT_VALID_P): Remove support
        for '%#'.
        * config/m68k/linux.h, config/m68k/m68k.c,
        * config/m68k/math-68881.h: Replace `%#' with `#' in inline asm
        macros and asm_printf() format strings.
        * config/m68k/m68kelf.h (ASM_OUTPUT_CASE_END): Remove macro definition.
        * config/m68k/linux.h: Update copyright.
        * config/m68k/linux.h, config/m68k/m68k.c: Remove traling whitespace.

2004-02-08  Andreas Schwab  <schwab@suse.de>
            Bernardo Innocenti  <bernie@develer.com>

        * config/m68k/m68k.h (REGISTER_NAMES): Prefix each name with
        REGISTER_PREFIX.
        * (M68K_FP_REG_NAME): New macro to specify an alternate name for the
        frame pointer register, overridable by OS targets.
        * (M68K_REGNAME): Macro to obtain register name for asm output,
        eventually replacing %a6 with M68K_FP_REG_NAME.
        * config/m68k/coff.h (REGISTER_NAMES): Don't redefine.
        * config/m68k/linux.h (REGISTER_NAMES): Likewise.
        * config/m68k/m68kelf.h (REGISTER_NAMES): Likewise.
        * config/m68k/netbsd-elf.h (REGISTER_NAMES): Likewise.
        * config/m68k/m68k.c: Use M68K_REGNAME(x) in place of reg_names[x].

2004-02-08  Kazu Hirata  <kazu@cs.umass.edu>

        * target-def.h (TARGET_STRUCT_VALUE_RTX): Define as
        hook_rtx_tree_int_null.
        * targhooks.c (default_struct_value_rtx): Remove.
        * targhooks.h: Remove the prototype for
        default_struct_value_rtx.
        * config/alpha/alpha.c, config/arc/arc.c, config/avr/avr.c,
        config/fr30/fr30.c, config/h8300/h8300.c, config/i386/i386.c,
        config/ip2k/ip2k.c, config/iq2000/iq2000.c,
        config/m32r/m32r.c, config/mcore/mcore.c, config/mips/mips.c,
        config/mn10300/mn10300.c, config/pdp11/pdp11.c,
        config/rs6000/rs6000.c, config/s390/s390.c,
        config/stormy16/stormy16.c, config/v850/v850.c,
        config/xtensa/xtensa.c (TARGET_STRUCT_VALUE_RTX): Remove.
        * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document the default.

2004-02-08  Joseph S. Myers  <jsm@polyomino.org.uk>

        * README.Portability: Change "ISO C89" to "ISO C90".
        * c-parse.in (primary, initelt): Likewise.

2004-02-08  Richard Sandiford  <rsandifo@redhat.com>

        * real.c (encode_ibm_extended): Normalize the input value before
        converting it to a double.  Handle the case where a normal value
        rounds to infinity.

2004-02-08  Kazu Hirata  <kazu@cs.umass.edu>

        * c-objc-common.c (c_cannot_inline_tree_fn): Fix a typo in a
        warning.
        * cse.c (preferrable): Change to preferable. Update all of its
        callers.
        * genautomata.c (ainsn): Change
        first_ainsn_with_given_equialence_num to
        first_ainsn_with_given_equivalence_num.  Update all of its
        references.

2004-02-08  Jan Hubicka  <jh@suse.cz>

        * schedule-ebb.c (schedule_ebbs): Do not allocate reg life data.

2004-02-07  David Edelsohn  <edelsohn@gnu.org>

        * function.c (assign_parms): Fix formatting.

2004-02-07  Kazu Hirata  <kazu@cs.umass.edu>

        * default.h (PROMOTE_PROTOTYPES): Remove.
        * system.h (PROMOTE_FUNCTION_RETURN, PROMOTE_PROTOTYPES,
        STRUCT_VALUE_REGNUM, SETUP_INCOMING_VARARGS,
        EXPAND_BUILTIN_SAVEREGS): Poison.
        * target-def.h (TARGET_PROMOTE_FUNCTION_RETURN): Define as
        hook_bool_tree_false.
        (TARGET_PROMOTE_PROTOTYPES): Likewise.
        * target.h: Replace SETUP_INCOMING_VARARGS with
        targetm.calls.setup_incoming_varargs().
        * targhooks.c (default_promote_function_return): Remove.
        (default_promote_prototypes): Likewise.
        (default_struct_value_rtx): Always abort().
        (default_expand_builtin_saveregs): Always print an error
        message.
        (default_setup_incoming_varargs): Do nothing.
        (default_pretend_outgoing_varargs_named): Don't depend on
        SETUP_INCOMING_VARARGS.
        * targhooks.h: Remove the prototype for
        default_promote_function_return and
        default_promote_prototypes.

2004-02-07  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (SHARED_SECTION_ASM_OP): Poison.
        * varasm.c (data_section): Don't use SHARED_SECTION_ASM_OP.
        * doc/tm.texi (SHARED_SECTION_ASM_OP): Remove.

2004-02-07  Zack Weinberg  <zack@codesourcery.com>

        Bug 13856
        * c-decl.c (diagnose_mismatched_decls): Only give special
        treatment when olddecl is DECL_BUILT_IN, if C_DECL_INVISIBLE
        is also true.
        (merge_decls): Don't clear DECL_BUILT_IN_CLASS and
        DECL_FUNCTION_CODE when defining a built-in function.
        Don't update DECL_ESTIMATED_INSNS.
        * dwarf2out.c (dwarf2out_decl): Don't ignore built-in
        FUNCTION_DECLs.
        * tree.h: Delete DECL_ESTIMATED_INSNS.
        * tree-inline.c (struct inline_data): Delete inlined_insns field.
        (expand_call_inline, optimize_inline_calls): Don't update
        DECL_ESTIMATED_INSNS nor inlined_insns.
        * cgraphunit.c (cgraph_analyze_function): Don't update
        DECL_ESTIMATED_INSNS.

2004-02-07  Zack Weinberg  <zack@codesourcery.com>

        * c-common.c (shadow_warning): Delete.
        * c-common.h (free_parser_stacks, shadow_warning, sw_kind): Delete.
        * c-decl.c (warn_if_shadowing): Issue shadow warnings directly.
        * c-opts.c (c_common_parse_file): Don't call free_parser_stacks.
        * c-parse.in (free_parser_stacks): Delete.

2004-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>

        * Makefile.in, config/t-slibgcc-darwin, config/t-slibgcc-elf-ver,
        config/t-slibgcc-sld, config/mips/t-iris5-6, config/sh/t-linux:
        Use the top level mkinstalldirs, not the one in the gcc subdir.
        * mkinstalldirs: Remove (from the gcc subdir).

2004-02-07  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/13696
        * fold-const.c (fold_convert): New function to provide type
        conversion to the middle-end without using convert.
        (negate_expr, associate_trees, size_diffop, omit_one_operand,
        operand_equal_for_comparison_p, pedantic_omit_one_operand,
        invert_truthvalue, optimize_bit_field_compare, range_binop,
        decode_field_reference, make_range, build_range_check, unextend,
        fold_truthop, extract_muldiv_1, fold_mathfn_compare,
        fold_binary_op_with_conditional_arg, fold_inf_compare,
        fold_single_bit_test, fold, multiple_of_p): Replace all calls to
        convert with calls to fold_convert.

2004-02-07  Jan Hubicka  <jh@suse.cz>

        * genrecog.c (find_operand): add extra argument stop.
        (validate_pattern): Verify that mach_dup is duplicating operand
        defined lexically earlier.

2004-02-07  Kazu Hirata  <kazu@cs.umass.edu>

        * config.gcc: Don't mention MAX_LONG_TYPE_SIZE.
        * system.h (MAX_LONG_TYPE_SIZE, MAX_LONG_DOUBLE_TYPE_SIZE,
        MAX_WCHAR_TYPE_SIZE, GCOV_TYPE_SIZE): Poison.
        * config/avr/avr.h, config/h8300/h8300.h, config/i386/i386.h,
        config/ia64/ia64.h, config/ip2k/ip2k.h,
        config/iq2000/iq2000.h, config/mips/iris5.h,
        config/mips/mips.h, config/pa/pa-64.h, config/pa/pa.h,
        config/rs6000/aix51.h, config/rs6000/aix52.h,
        config/rs6000/darwin.h, config/rs6000/rs6000.h,
        config/s390/s390.h, config/sh/sh.h, config/sparc/freebsd.h,
        config/sparc/linux.h, config/sparc/linux64.h,
        config/sparc/netbsd-elf.h, config/sparc/sparc.h,
        config/xtensa/xtensa.h: Remove the definitions of
        MAX_LONG_TYPE_SIZE, MAX_LONG_DOUBLE_TYPE_SIZE, and/or
        MAX_WCHAR_TYPE_SIZE.
        * doc/tm.texi (MAX_LONG_TYPE_SIZE, MAX_LONG_DOUBLE_TYPE_SIZE,
        MAX_WCHAR_TYPE_SIZE, GCOV_TYPE_SIZE): Remove.

2004-02-07  Stephane Carrez  <stcarrez@nerim.fr>

        PR bootstrap/13990
        * config/m68hc11/m68hc11.md ("doloop_end"): Pass dummy arguments to
        gen_rtx_NE.

2004-02-07  Josef Zlomek  <zlomekj@suse.cz>

        * var-tracking.c (vt_add_function_parameters): Surround checkings by
        #ifdef ENABLE_CHECKING and #endif.

2004-02-07  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (negate_expr_p, negate_expr): Optimize -(A+B) into
        either (-A)-B or (-B)-A, if A or B is easily negated respectively.
        (fold) <MINUS_EXPR>: Optimize (A*C) - (B*C) -> (A-B)*C for both
        integer types and floating point with unsafe_math_optimizations.
        Add similar optimization for (A*C1) - (A*C2) -> A*(C1-C2).
        Optimize A - B as A + (-B), if B is easily negated.

2004-02-07  Kazu Hirata  <kazu@cs.umass.edu>

        * c-ppoutput.c, cfganal.c, diagnostic.h, print-rtl.c,
        config/darwin.c, config/darwin.h, config/ia64/ia64-c.c,
        config/m32r/linux.h, config/rs6000/ppc64-fp.c,
        config/sparc/openbsd.h, doc/makefile.texi, doc/passes.texi:
        Update copyright.

2004-02-07  Kazu Hirata  <kazu@cs.umass.edu>

        * c-ppoutput.c, var-tracking.c: Fix comment typos.

2004-02-06  James E Wilson  <wilson@specifixinc.com>

        * config/ia64/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Only define for
        glibc 2.3 or better.

2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/tm.texi (TARGET_FLOAT_LIB_COMPARE_RETURNS_BOOL): Change
        to FLOAT_LIB_COMPARE_RETURNS_BOOL.

2004-02-07  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
        (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
        (SHLIB_MKMAP_OPTS): Delete.
        (TARGET_LIBGCC2_CFLAGS): Add -specs.
        (bispecs): Add rule.
        * config/rs6000/libgcc-ppc64.ver: New file.
        * config/rs6000/ppc64-fp.c (__fixtfdi, __floatditf): New functions.
        (__floatdidf, __floatdisf): Optimize multiply.
        (__fixunstfdi): New function.
        * config/rs6000/rs6000.c (rs6000_complex_function_value): Allow for
        real and imag parts larger than one register.
        (function_arg): Correct type of reg used when fp arg split partially
        to stack.
        * config/rs6000/darwin-ldouble.c: Protect with #if !_SOFT_FLOAT
        and __MACH__ or __powerpc64__.

2004-02-06  Roger Sayle  <roger@eyesopen.com>
            Ulrich Weigand  <uweigand@de.ibm.com>

        * builtins.c (expand_builtin_signbit): Use extract_bit_field instead
        of gen_highpart or gen_lowpart when the floating point format is
        wider than the result mode.

2004-02-06  Andrew Pinski  <pinskia@physics.uc.edu>

        * dwarf2out.c (loclabel_num): Move into #ifdef
        DWARF2_DEBUGGING_INFO.

2004-02-06  Ziemowit Laski  <zlaski@apple.com>

        * objc/objc-act.c (build_super_template) the 'class' field of
        'struct _objc_super' shall be named 'super_class' #ifdef OBJCPLUS.
        (get_super_receiver): Likewise.

2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>

        * reload1.c (check_eliminable_occurrences): Optimize the reset
        of can_eliminate.
        (eliminate_regs_in_insn): Likewise.

2004-02-06  Daniel Berlin <dberlin@dberlin.org>
            Josef Zlomek  <zlomekj@suse.cz>

        * dwarf2out.c (struct gcc_debug_hooks): Call dwarf2out_begin_function
        at the beginning of function, call dwarf2out_var_location for
        NOTE_INSN_VAR_LOCATION note.
        (struct var_loc_node, struct var_loc_list_def, loclabel_num,
        decl_loc_table): New.
        (lookup_decl_loc): New function.
        (add_var_loc_to_decl): New function.
        (based_loc_descr): Added parameter can_use_fbreg, DW_OP_fbreg is used
        only if can_use_fbreg.
        (mem_loc_descriptor): Added parameter can_use_fbreg, pass it to other
        functions.
        (loc_descriptor): Likewise. Process VAR_LOCATION.
        (concat_loc_descriptor): Call loc_descriptor with can_use_fbreg == true.
        (loc_descriptor_from_tree): Call mem_loc_descriptor with
        can_use_fbreg == true.
        (add_location_or_const_value_attribute): Added parameter enum
        dwarf_attribute attr, generate attribute ATTR.  Create the location list.
        (add_bound_info): Call loc_descriptor with can_use_fbreg == true.
        (gen_formal_parameter_die): Call add_location_or_const_value_attribute
        with attr == DW_AT_location.
        (gen_subprogram_die): Generate the location list for DW_AT_frame_base
        if frame_base_decl is defined and has a location list.
        (gen_variable_die): Call add_location_or_const_value_attribute with
        attr == DW_AT_location.
        (dwarf2out_var_location): New function.
        (dwarf2out_begin_function): New function.
        (dwarf2out_init): Create decl_loc_table.

2004-02-06  Ulrich Weigand  <uweigand@de.ibm.com>

        * loop.c (force_movables): Transitively increase the priorities of
        all insns forces by an insn, not just the first one.

2004-02-06  Josef Zlomek  <zlomekj@suse.cz>
            Daniel Berlin <dberlin@dberlin.org>

        Josef Zlomek  <zlomekj@suse.cz>
        * Makefile.in (var-tracking.o): New.
        * common.opt (fvar-tracking): New.
        * flags.h (flag_var_tracking): New.
        * gengtype.c (adjust_field_rtx_def): NOTE_INSN_VAR_LOCATION was added.
        * opts.c (common_handle_option): Add OPT_fvar_tracking.
        * print-rtl.c (print_rtx): NOTE_INSN_VAR_LOCATION was added.
        * rtl.c (note_insn_name): Likewise.
        * rtl.def (VAR_LOCATION): New.
        * rtl.h (NOTE_VAR_LOCATION): New.
        (NOTE_VAR_LOCATION_DECL): New.
        (NOTE_VAR_LOCATION_LOC): New.
        (enum insn_note): NOTE_INSN_VAR_LOCATION was added.
        (variable_tracking_main): New exported function.
        * timevar.def (TV_VAR_TRACKING): New.
        * toplev.c (enum dump_file_index): Added DFI_vartrack.
        (dump_file): "vartrack" was added (-dV).
        (flag_var_tracking): New.
        (f_options): "var-tracking" was added.
        (rest_of_handle_variable_tracking): New function.
        (rest_of_compilation): Run variable tracking.
        (process_options): If user has not specified flag_var_tracking set it
        according to optimize, debug_info_level and debug_hooks.
        * tree.h (frame_base_decl): New.
        * var-tracking.c: New file.
        * config/ia64/ia64.c (ia64_flag_var_tracking): New variable.
        (ia64_override_options): Set flags to run variable tracking in machine
        dependent reorg instead of toplev.c.
        (ia64_reorg): Run variable tracking if wanted.
        * doc/invoke.texi: Mention variable tracking in -dV,
        add and -fvar-tracking.
        * doc/passes.texi: Added variable tracking pass.

        Daniel Berlin <dberlin@dberlin.org>
        * debug.h (struct gcc_debug_hooks): Added var_location debug hook.
        * dbxout.c (dbx_debug_hooks): Likewise.
        (xcoff_debug): Likewise.
        * debug.c (do_nothing_debug_hooks): Likewise.
        * dwarf2out.c (dwarf2_debug_hooks): Likewise.
        * dwarfout.c (dwarf_debug_hooks): Likewise.
        * sdbout.c (sdb_debug_hooks): Likewise.
        * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
        * final.c (final_scan_insn): Call var_location debug hook for each
        NOTE_INSN_VAR_LOCATION.

2004-02-06  Jan Hubicka  <jh@suse.cz>

        * flow.c (update_life_info): Allocate reg_deaths when called from
        scheudler.
        (attempt_auto_inc):  Update life ranges accordingly.

2004-02-06  Ulrich Weigand  <uweigand@de.ibm.com>

        PR debug/11816
        * dwarf2out.c (gen_decl_die): Handle anonymous struct members.

2004-02-06  Ulrich Weigand  <uweigand@de.ibm.com>

        * cfganal.c (flow_call_edges_add): Never split a libcall block.

2004-02-06  Daniel Berlin  <dberlin@dberlin.org>

        * dwarf2out.c (output_loc_list): Don't use deltas if we have
        a separate line info table in use.
        Use the correct size for terminators.
        (output_die): Use offset, not delta.

2004-02-06  H.J. Lu  <hongjiu.lu@intel.com>

        * doc/invoke.texi: Remove the pni option from -mfpmath=.

2004-02-06  Jan Hubicka  <jh@suse.cz>

        * recog.c (split_all_insns): Do not update reg info.
        * regrename.c (regrename_optimize): Likewise.
        * toplev.c (rest_of_handle_reorder_blocks): Likewise.
        * flow.c (struct propagate_block_info): Add insn_num field.
        (reg_deaths): New array.
        (life_analysis): Free reg_deaths info.
        (allocate_reg_life_data): Allocate reg_deaths array.
        (propagate_one_insn): Use new array.
        (init_propagate_block): Initialize it.
        (free_propagate_block_info): Finish compuation of
        REG_LIVE_LENGTH
        (attempt_auto_inc): Sanity check that REG_INFO is not
        computed at same time.
        (mark_used_regs): Update new array.

        * reg-stack.c (subst_stack_regs): Unshare clobbers before
        substitution.

2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>

        * config/s390/s390.md (*extendsiqi2_short_displ): Change to
        *extendqisi2_short_displ.

2004-02-06  Alan Modra  <amodra@bigpond.net.au>

        * doc/tm.texi (INIT_CUMULATIVE_ARGS): Update doco.
        * calls.c (expand_call): Pass n_named_args to INIT_CUMULATIVE_ARGS.
        (emit_library_call_value_1): Likewise pass nargs.
        * expr.c (block_move_libcall_safe_for_call_parm): Pass 3 here.
        * function.c (assign_parms): Pass -1 to INIT_CUMULATIVE_ARGS.
        * config/rs6000/rs6000.c (init_cumulative_args): Use n_named_args
        parameter instead of scanning TYPE_ARGS_TYPES to count args.
        * config/rs6000/rs6000-protos.h (init_cumulative_args): Update
        prototype.
        * config/rs6000/rs6000.h (INIT_CUMULATIVE_ARGS): Pass extra arg.
        (INIT_CUMULATIVE_INCOMING_ARGS): Set extra arg to 1000.
        (INIT_CUMULATIVE_LIBCALL_ARGS): Set extra arg to 0.
        * config/sh/sh.c (sh_output_mi_thunk): Pass 1 as n_named_args to
        INIT_CUMULATIVE_ARGS.
        * config/alpha/alpha.h (INIT_CUMULATIVE_ARGS): Update.
        * config/alpha/unicosmk.h, config/alpha/vms.h, config/arc/arc.h,
        config/arm/arm.h, config/avr/avr.h, config/c4x/c4x.h,
        config/cris/cris.h, config/fr30/fr30.h, config/frv/frv.h,
        config/h8300/h8300.h, config/i386/i386.h, config/i860/i860.h,
        config/ia64/ia64.h, config/ip2k/ip2k.h, config/iq2000/iq2000.h,
        config/iq2000/iq2000.c, config/m32r/m32r.h, config/m68hc11/m68hc11.h,
        config/m68k/m68k.h, config/mcore/mcore.h, config/mips/mips.h,
        config/mmix/mmix.h, config/mn10300/mn10300.h, config/ns32k/ns32k.h,
        config/pa/pa.h, config/pdp11/pdp11.h, config/s390/s390.h,
        config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
        config/v850/v850.h, config/vax/vax.h, config/xtensa/xtensa.h: Likewise.

2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>

        * genemit.c (gen_exp) [CONST_INT]: Use const_int_rtx whenever
        possible.

2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>

        * reload1.c (eliminate_regs_in_insn): If a set has a REG_EQUAL
        note containing (plus (reg) (const_int)), where reg is an
        eliminable reg, then perform the register elimination without
        depending on eliminate_regs().

2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arc/arc.c (arc_return_in_memory): Check the return
        value of int_size_in_bytes against -1.  Don't check
        TREE_ADDRESSABLE.
        * config/avr/avr.c (avr_return_in_memory): Check the return
        value of int_size_in_bytes against -1.
        * config/ip2k/ip2k.c (ip2k_return_in_memory): Likewise.
        * config/m68hc11/m68hc11.c (m68hc11_return_in_memory):
        Likewise.
        * config/mcore/mcore.c (mcore_return_in_memory): Likewise.
        * config/stormy16/stormy16.c (xstormy16_return_in_memory):
        Likewise.

2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>

        * config/frv/frv-protos.h: Remove the prototype for
        frv_setup_incoming_varargs.
        * config/frv/frv.c (TARGET_SETUP_INCOMING_VARARGS): New.
        (frv_setup_incoming_varargs): Make it static.
        * config/frv/frv.h (SETUP_INCOMING_VARARGS): Remove.

2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>

        * config/fr30/fr30-protos.h: Remove the prototype for
        fr30_setup_incoming_varargs.
        Update the prototypes for fr30_num_arg_regs and
        fr30_function_arg_partial_nregs.
        * config/fr30/fr30.c (TARGET_STRUCT_VALUE_RTX): New.
        (TARGET_SETUP_INCOMING_VARARGS): Likewise.
        (fr30_setup_incoming_varargs): Make it static.
        Add argument second_time.  Don't do anything when second_time
        is nonzero.
        (fr30_num_arg_regs): Change the type of the first argument to
        enum machine_mode.
        (fr30_function_arg_partial_nregs): Change the type of the
        second argument to enum machine_mode.
        * config/fr30/fr30.h (STRUCT_VALUE): Remove.
        (SETUP_INCOMING_VARARGS): Remove.

2004-02-06  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arc/arc-protos.h: Remove the prototype for
        arc_setup_incoming_varargs.
        * config/arc/arc.c (TARGET_ASM_EXTERNAL_LIBCALL): New.
        (TARGET_SETUP_INCOMING_VARARGS): Likewise.
        (arc_setup_incoming_varargs): Make it static.
        (arc_external_libcall): Likewise.
        * config/arc/arc.h (SETUP_INCOMING_VARARGS): Remove.
        Remove the commented-out definition of
        ASM_OUTPUT_EXTERNAL_LIBCALL.

2004-02-05  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>

        * config/sh/t-linux (SHLIB_INSTALL): Prepend $$(DESTDIR)
        to $$(slibdir) in the installation commands.

2004-02-05  David Edelsohn  <edelsohn@gnu.org>

        * reload.c (refers_to_regno_for_reload_p): Index hard_regno_nregs
        with inner_regno, not regno.
        * rtlanal.c (refers_to_regno_p): Same.

2004-02-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config.gcc: Remove i370 support.

2004-02-05  Kelley Cook  <kcook@gcc.gnu.org>

        * doc/install.texi:  Update automake and autoconf version
        requirements.  Note where to find gcj automake version.

2004-02-05  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in (generate-manpages): Move dependencies to ...
        (man): here.
        * doc/makefile.texi: Document new targets.
        * doc/sourcebuild.texi (Make-lang.in): Document new langhooks.

2004-02-05  Kelley Cook  <kcook@gcc.gnu.org>

        PR/13485
        Makefile.in (srcextra):  Add a level of indirection to ...
        (gcc.srcextra): ... here.
        (po-generated): Delete.
        (po/$(PACKAGE).pot: Use srcextra instead of po-generated.  Depend on
        options.c.
        (start.encap): Remove superfluous lang.srcextra dependency.
        objc/Make-lang.in (po-generated):  Delete.

2004-02-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config/ia64/ia64.c (REG_GP): Remove.

2004-02-05  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/mips/iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.

2004-02-05  Devang Patel  <dpatel@apple.com>

        * dwarf2out.c (force_type_die): Look up input type itself
        instead of root_type() of type.

2004-02-05  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.md ("*tmqidi_ext"): New insn.
        ("*extendqidi2_short_displ", "*extendsiqi2_short_displ"): Old
        pre-reload splitters are transformed to post-reload
        define_insn_and_split patterns.
        ("*tmqisi_ext"): Renamed old "*tmqi_ext".

2004-02-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config/cris/cris.h: Replace PROMOTE_PROTOTYPES with
        TARGET_PROMOTE_PROTOTYPES.

2004-02-05  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        PR middle-end/13750
        Revert:
        2004-01-15  Geoffrey Keating  <geoffk@apple.com>
        PR pch/13361
        * c-typeck.c (constructor_asmspec): Delete.
        (struct initializer_stack): Delete field 'asmspec'.
        (start_init): Delete saving of asmspec.
        (finish_init): Don't update constructor_asmspec.
        * dwarf2out.c (rtl_for_decl_location): Duplicate string from tree.
        * stmt.c (expand_asm): Duplicate strings from tree.
        (expand_asm_operands): Likewise.
        * tree.c (tree_size): Update computation of size of STRING_CST.
        (make_node): Don't make STRING_CST nodes.
        (build_string): Allocate string with tree node.
        * tree.def (STRING_CST): Update comment.
        * tree.h (TREE_STRING_POINTER): Adjust for change to STRING_CST.
        (tree_string): Place contents of string in tree node.
        * config/sh/sh.c (sh_handle_sp_switch_attribute): Duplicate string
        from tree.

2004-02-05  Joseph S. Myers  <jsm@polyomino.org.uk>

        * diagnostic.h (DEFINE_DIAGNOSTIC_KIND): Change parameter M to
        msgid.

2004-02-05  Dorit Naishlos  <dorit@il.ibm.com>

        * config/rs6000/altivec.md (*movv4si_internal): At least one
        operand must be altivec_register_operand.
        (*movv8hi_internal1): Likewise.
        (*movv16qi_internal1): Likewise.
        (*movv4sf_internal1): Likewise.

2004-02-05  David Edelsohn  <edelsohn@gnu.org>

        * configure.ac (gcc_cv_as_powerpc_mfcrf): Correct test for mfcr.
        * configure: Regenerate.

2004-02-05  Jonathan Wakely  <redi@gcc.gnu.org>

        * doc/install.texi: Update description of --gxx-include-dir to
        give correct default value.

2004-02-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.h (REG_OK_FOR_BASE_NONSTRICT_P): Replace
        8 with MAC_REG.

2004-02-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config/pa/pa.c (emit_hpdiv_const): Replace gen_rtx with
        gen_rtx_PARALLEL.

2004-02-05  Kazu Hirata  <kazu@cs.umass.edu>

        * emit-rtl.c: Update the comment about the file.

2004-02-05  Joseph S. Myers  <jsm@polyomino.org.uk>

        * sourcebuild.texi (Test Idioms): Update testcase naming
        conventions.

2004-02-04  Per Bothner  <per@bothner.com>

        Partially revert/redo 2003-10-01 change; fix -fworking-directory.
        * c-ppoutput.c (pp_dir_change):  New function.
        * c-common.h (pp_dir_change):  New declaration.
        * cpplib.h (struct cpp_options):  Remove working_directory field.
        * cppinit.c (cpp_find_main_file, cpp_push_main_file):  Merge back to
        (cpp_read_main_file):  as before 10-01.  Call _cpp_stack_file.
        Don't handle -fworking_directory here, but in c_common_post_options.
        (read_original_directory): Don't back up when done.
        Don't clear no-longer used working_directory flag.
        * cpplib.h:  Update declarations to match.
        * c-lex.c (cb_dir_change):  Move to c-opts.c.
        (init_c_lex):  Don't set dir_change callback here, since we want
        to set it even if flag_preprocess_only.
        * c-opts.c (cb_dir_change):  Function moved from c-lex.c.
        (c_common_post_options):  Set dir_change callback.
        Call pp_dir_change if approporiate.
        (finish_options):  Don't call cpp_find_main_file here.  Hence remove
        unneeded parameter and result. Do LC_RENAME for <built-in>.
        (c_common_post_options):  Call cpp_read_main_file here instead.
        (c_common_init):  Update accordingly.
        (push_command_line_include):  Don't cpp_push_main_file.
        Do LC_RENAME rather than LC_LEASE to get back to main file.
        Compared to pre-10-01 version, inline cpp_rename_to_main_file.
        (c_common_parse_file):  Call cpp_read_main_file for subsequent main
        files, but call finish_options for all files.
        * c-opts.c (sanitize_cpp_opts):  Don't set cpp_opts->working_directory.
        * fix-header.c (read_scan_file):  Call cpp_read_main_file instead of
        cpp_find_main_file + cpp_push_main_file.
        * c-lex.c (fe_file_change):  Don't set main_input_filename here.
        * opts.c (handle_options):  Only set main_input_filename first time.

2004-02-05  Ian Lance Taylor  <ian@wasabisystems.com>

        * config/arm/arm.h (REG_CLASS_NAMES): Add missing comma.

2004-02-04  Geoffrey Keating  <geoffk@apple.com>

        * reload.c (find_equiv_reg): When checking for register overlap,
        don't index hard_regno_nregs with a pseudo-reg.

2004-02-04  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_trampoline_template): Remove gen_rtx().

2004-02-04  David Edelsohn  <edelsohn@gnu.org>

        * reload.c (refers_to_regno_for_reload_p): Test regno, not inner_regno,
        against FIRST_PSEUDO_REGISTER.

2004-02-04  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * Makefile.in: Move target, host overrides after per-language
        fragments.

        * config/mips/t-iris5-as (FORCE_DEBUG_ADAFLAGS): Clear.
        (GNATLIBCFLAGS): Remove -g.

2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>

        * config/alpha/alpha.c, config/arc/arc.c, config/avr/avr.c,
        config/i386/i386.c, config/i386/i386.h, config/i386/i386.md,
        config/ia64/ia64.c, config/ia64/unwind-ia64.c,
        config/m32r/m32r.c, config/ns32k/ns32k.c, config/pa/pa.c,
        config/pdp11/pdp11.c, config/rs6000/rs6000.c,
        config/sparc/sparc.c, config/vax/vax.c: Revert the
        replacements of "FALLTHRU" with "Fall through" done in the
        previous patch.

2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>

        * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
        config/arm/arm.c, config/arm/arm.md,
        config/cris/cris-protos.h, config/fr30/fr30.c,
        config/fr30/fr30.h, config/h8300/h8300.c, config/i386/i386.h,
        config/i860/i860.c, config/i860/i860.h, config/ia64/ia64-c.c,
        config/ia64/ia64.c, config/ia64/ia64.h, config/ip2k/ip2k.h,
        config/ip2k/ip2k.md, config/ip2k/libgcc.S,
        config/m32r/linux.h, config/m32r/m32r.c, config/m32r/m32r.h,
        config/m68k/m68k.c, config/m68k/netbsd-elf.h,
        config/mips/mips.c, config/mmix/mmix.c, config/mmix/mmix.md,
        config/ns32k/netbsd.h, config/ns32k/ns32k.c,
        config/ns32k/ns32k.h, config/pdp11/pdp11.h,
        config/rs6000/darwin-ldouble.c, config/s390/s390.h,
        config/s390/s390.md, config/sparc/netbsd-elf.h,
        config/sparc/openbsd.h, config/sparc/sparc.c,
        config/xtensa/lib2funcs.S: Fix comment formatting.

2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>

        * config/alpha/alpha.c, config/arc/arc.c,
        config/arm/arm-cores.def, config/arm/arm.c, config/arm/arm.h,
        config/arm/arm1026ejs.md, config/arm/arm1136jfs.md,
        config/arm/arm926ejs.md, config/arm/vfp.md, config/avr/avr.c,
        config/c4x/c4x.c, config/cris/cris.c, config/frv/frv.md,
        config/i386/i386.c, config/i386/i386.h, config/i386/i386.md,
        config/ia64/ia64.c, config/ia64/unwind-ia64.c,
        config/iq2000/iq2000.c, config/m32r/m32r.c,
        config/mips/mips.c, config/mmix/mmix.c, config/mmix/mmix.h,
        config/ns32k/ns32k.c, config/pa/pa.c, config/pdp11/pdp11.c,
        config/rs6000/darwin-ldouble.c, config/rs6000/rs6000.c,
        config/rs6000/rs6000.h, config/sparc/sparc.c,
        config/vax/vax.c: Fix comment typos.  Follow spelling
        conventions.

2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>

        * alloc-pool.h, c-convert.c, c-lang.c, c-tree.h,
        caller-save.c, df.h, genconfig.c, global.c, lcm.c,
        ra-rewrite.c, ra.c, regclass.c, regs.h, resource.c,
        sched-rgn.c, config/arm/aof.h, config/arm/cirrus.md,
        config/arm/fpa.md, config/arm/iwmmxt.md,
        config/arm/netbsd-elf.h, config/arm/netbsd.h,
        config/m68hc11/m68hc11.md, config/mips/iris5.h,
        config/mn10300/mn10300.md, config/rs6000/altivec.md,
        config/sparc/netbsd-elf.h: Update copyright.

2004-02-04  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (function_arg_pass_by_reference): Return 1
        for all modes whose size is greater than 8 bytes if ARCH32.
        (sparc_va_arg): Handle all modes whose size is greater than 8 bytes
        by reference if ARCH32.

2004-02-04  Aldy Hernandez  <aldyh@redhat.com>

        * cgraphunit.c (cgraph_postorder): Fix typo in comment.

2004-02-04  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("*la_64" + peepholes, "reload_indi"): Move
        to before adddi3 insn patterns.
        ("*la_31" + peepholes, "*la_31_and", "*la_31_and_cc", "force_la_31",
        "reload_insi"): Move to before addsi3 insn patterns.

2004-02-04  Mark Mitchell  <mark@codesourcery.com>

        * calls.c (initialize_argument_information): Add CALL_FROM_THUNK_P
        parameter.  Use it instead of current_function_is_thunk.
        * function.h (struct function): Update documentation for is_thunk.
        * tree.h (CALL_FROM_THUNK_P): New macro.
        * config/alpha/alpha.c (alpha_sa_mask): Do not check
        no_new_pseudos when testing current_function_is_thunk.
        * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likeiwse.

2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/tm.texi: Replace SETUP_INCOMING_VARARGS with
        TARGET_SETUP_INCOMING_VARARGS.

2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>

        * emit-rtl.c (gen_rtx): Remove.
        * genattrtab.c: Don't mention gen_rtx in a comment.
        * rtl.h: Remove the prototype for gen_rtx.
        * doc/md.texi: Replace gen_rtx with gen_rtx_REG.

2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arc/arc.h, config/fr30/fr30.h
        (SETUP_INCOMING_VARARGS): Remove the target-independent
        comments.
        * doc/tm.texi: Don't mention deprecated target macros.

2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>

        * config/fr30/fr30.h (FUNCTION_VALUE): Remove the
        target-independent comment.

2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/interface.texi, doc/tm.texi, doc/trouble.texi: Don't
        mention deprecated target macros.

2004-02-04  Kazu Hirata  <kazu@cs.umass.edu>

        * config.gcc: Remove obsolete ports and configurations.
        * config/linux-aout.h, config/netware.h,
        config/t-linux-gnulibc1, config/d30v/abi,
        config/d30v/d30v-protos.h, config/d30v/d30v.c,
        config/d30v/d30v.h, config/d30v/d30v.md,
        config/d30v/libgcc1.asm, config/d30v/t-d30v,
        config/dsp16xx/dsp16xx-modes.def,
        config/dsp16xx/dsp16xx-protos.h, config/dsp16xx/dsp16xx.c,
        config/dsp16xx/dsp16xx.h, config/dsp16xx/dsp16xx.md,
        config/i370/README, config/i370/i370-c.c,
        config/i370/i370-protos.h, config/i370/i370.c,
        config/i370/i370.h, config/i370/i370.md, config/i370/linux.h,
        config/i370/mvs.h, config/i370/oe.h, config/i370/t-i370,
        config/i386/freebsd-aout.h, config/i386/linux-aout.h,
        config/i386/moss.h, config/i386/netware.h,
        config/i386/svr3.ifile, config/i386/svr3dbx.h,
        config/i386/svr3gas.h, config/i386/svr3z.ifile,
        config/i386/t-udk, config/i386/udk.h, config/i386/vsta.h,
        config/i960/i960-c.c, config/i960/i960-coff.h,
        config/i960/i960-modes.def, config/i960/i960-protos.h,
        config/i960/i960.c, config/i960/i960.h, config/i960/i960.md,
        config/i960/rtems.h, config/i960/t-960bare,
        config/m68k/hp310.h, config/m68k/hp320.h,
        config/m68k/hp320base.h, config/m68k/m68kv4.h,
        config/m68k/netbsd.h, config/m68k/sgs.h, config/m68k/t-hp320:
        Remove.
        * doc/extend.texi, doc/install.texi, doc/invoke.texi,
        doc/md.texi: Remove mentions of obsolete ports.

2004-02-04  Jan Hubicka  <jh@suse.cz>

        * alias.c (find_base_term, get_addr):  Do not dereference NULL
        pointer when all VALUE's locations has been invalidated.
        (rtx_equal_for_memref_p): Simplify checking of VALUEs.

2004-02-03  Wolfgang Bangerth  <bangerth@dealii.org>

        * doc/invoke.texi (x86 options): Fix spelling/wording.

2004-02-03  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/iris5.h (ASM_OUTPUT_ASCII): Use mips_output_ascii to
        put the original string in a comment.
        * config/mips/mips-protos.h (mips_output_ascii): Add prefix argument.
        * config/mips/mips.c (mips_output_ascii): Likewise.
        * config/mips/mips.h (ASM_OUTPUT_ASCII): Adjust accordingly.

2004-02-03  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (GIV_SORT_CRITERION): Poison.
        * config/avr/avr.h (GIV_SORT_CRITERION): Remove.
        * config/ip2k/ip2k.h (GIV_SORT_CRITERION): Likewise.

2004-02-03  Roger Sayle  <roger@eyesopen.com>

        PR target/9348
        * expr.c (expand_expr_real) <MULT_EXPR>:  When performing widening
        multiplies with a multiplication of the wrong signedness, its the
        signedness of the multiplication that we've performed that needs to
        be passed to expand_mult_highpart_adjust.  Avoid emitting a nop-move
        if expand_mult_highpart_adjust places the result in target.

2004-02-03  Richard Henderson  <rth@redhat.com>

        * varasm.c (const_desc_rtx_sym_eq): Compare symbol strings.

2004-02-03  J"orn Rennecke <joern.rennecke@superh.com>

        * config.gcc (sh[234]l): Use little endian fragments.

2004-02-03  Paul Koning  <pkoning@equallogic.com>

        * config/pdp11/pdp11-modes.def: Add RESET_FLOAT_FORMAT calls.
        * config/pdp11/pdp11-protos.h (legitimate_const_double_p): Add.
        * config/pdp11/pdp11.c (encode_pdp11_f, decode_pdp11_f,
        encode_pdp11_d, decode_pdp11_d): New functions to handle PDP11
        floating point format.
        (pdp11_f_format, pdp11_d_format): New real_format descriptors for
        the above functions.
        (output_move_quad): Output float values in correct target format.
        (legitimate_const_double_p): New function.
        * config/pdp11/pdp11.h: Fix typos.
        (FLOAT_WORDS_BIG_ENDIAN): Add definition.
        (TARGET_FLOAT_FORMAT): Ditto.
        (pdp11_f_format, pdp11_d_format): Add external declarations.
        (MAX_REGS_PER_ADDRESS): Corrected.
        (LEGITIMATE_CONSTANT_P): Use legitimate_const_double_p().
        (PRINT_OPERAND): Output float literals in target format.

2004-02-03  Mark Mitchell  <mark@codesourcery.com>

        PR c++/13975
        * tree.h (enum tree_index): Add TI_PUBLIC, TI_PROTECTED, and
        TI_PRIVATE.
        (access_public_node): Redefine.
        (access_protected_node): Likewise.
        (access_private_node): Likewise.
        * tree.c (build_common_tree_nodes): Create access_public_node,
        access_protected_node, and access_private_node.

2004-02-03  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.h (MASK_INLINE_INT_DIV_LAT): Change value.
        (MASK_INLINE_INT_DIV_THR): Ditto.
        (MASK_INLINE_SQRT_LAT): Ditto.
        (MASK_INLINE_SQRT_THR): Ditto.
        (MASK_DWARF2_ASM): Ditto.
        (MASK_EARLY_STOP_BITS): Ditto.

2004-02-02  Paul Brook  <paul@codesourcery.com>

        Merge from csl-arm-branch.

        2004-01-30  Paul Brook  <paul@codesourcery.com>

        * aof.h (REGISTER_NAMES): Add vfp reg names
        (ADDITIONAL_REGISTER_NAMES): Ditto.
        * aout.h (REGISTER_NAMES): Ditto.
        (ADDITIONAL_REGISTER_NAMES): Ditto.
        * arm-protos.h: Update/Add Prototypes.
        * arm.c (init_fp_table): Rename from init_fpa_table. Update users.
        Only allow 0.0 for VFP.
        (fp_consts_inited): Rename from fpa_consts_inited.  Update users.
        (values_fp): Rename from values_fpa.  Update Users.
        (arm_const_double_rtx): Rename from const_double_rtx_ok_for_fpa.
        Update users.  Only check valid constants for this hardware.
        (arm_float_rhs_operand): Rename from fpa_rhs_operand.  Update Users.
        Only allow consts for FPA.
        (arm_float_add_operand): Rename from fpa_add_operand.  Update users.
        Only allow consts for FPA.
        (use_return_insn): Check for saved VFP regs.
        (arm_legitimate_address_p): Handle VFP DFmode addressing.
        (arm_legitimize_address): Ditto.
        (arm_general_register_operand): New function.
        (vfp_mem_operand): New function.
        (vfp_compare_operand): New function.
        (vfp_secondary_reload_class): New function.
        (arm_float_compare_operand): New function.
        (vfp_print_multi): New function.
        (vfp_output_fstmx): New function.
        (vfp_emit_fstm): New function.
        (arm_output_epilogue): Output VPF reg restore code.
        (arm_expand_prologue): Output VFP reg save code.
        (arm_print_operand): Add 'P'.
        (arm_hard_regno_mode_ok): Return modes for VFP regs.
        (arm_regno_class): Return classes for VFP regs.
        (arm_compute_initial_elimination_offset): Include space for VFP regs.
        (arm_get_frame_size): Ditto.
        * arm.h (FIXED_REGISTERS): Add VFP regs.
        (CALL_USED_REGISTERS): Ditto.
        (CONDITIONAL_REGISTER_USAGE): Enable VFP regs.
        (FIRST_VFP_REGNUM): Define.
        (LAST_VFP_REGNUM): Define.
        (IS_VFP_REGNUM): Define.
        (FIRST_PSEUDO_REGISTER): Include VFP regs.
        (HARD_REGNO_NREGS): Handle VFP regs.
        (REG_ALLOC_ORDER): Add VFP regs.
        (enum reg_class): Add VFP_REGS.
        (REG_CLASS_NAMES): Ditto.
        (REG_CLASS_CONTENTS): Ditto.
        (CANNOT_CHANGE_MODE_CLASS) Handle VFP Regs.
        (REG_CLASS_FROM_LETTER): Add 'w'.
        (EXTRA_CONSTRAINT_ARM): Add 'U'.
        (EXTRA_MEMORY_CONSTRAINT): Define.
        (SECONDARY_OUTPUT_RELOAD_CLASS): Handle VFP regs.
        (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
        (REGISTER_MOVE_COST): Ditto.
        (PREDICATE_CODES): Add arm_general_register_operand,
        arm_float_compare_operand and vfp_compare_operand.
        * arm.md (various): Rename as above.
        (divsf3): Enable when TARGET_VFP.
        (divdf3): Ditto.
        (movdfcc): Ditto.
        (sqrtsf2): Ditto.
        (sqrtdf2): Ditto.
        (arm_movdi): Disable when TARGET_VFP.
        (arm_movsi_insn): Ditto.
        (movsi): Only split with general regs.
        (cmpsf): Use arm_float_compare_operand.
        (push_fp_multi): Restrict to TARGET_FPA.
        (vfp.md): Include.
        * vfp.md: New file.
        * fpa.md (various): Rename as above.
        * doc/md.texi: Document ARM w and U constraints.

        2004-01-15  Paul Brook  <paul@codesourcery.com>

        * config.gcc: Add with_fpu.  Allow with-float=softfp.
        * config/arm/arm.c (arm_override_options): Rename *-s to *s.
        Break out of loop when we find a float-abi.  Fix typo.
        * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "fpu".
        Set -mfloat-abi=.
        * doc/install.texi: Document --with-fpu.

        2003-01-14  Paul Brook  <paul@codesourcery.com>

        * config.gcc (with_arch): Add armv6.
        * config/arm/arm.h: Rename TARGET_CPU_*_s to TARGET_CPU_*s.
        * config/arm/arm.c (arm_overrride_options): Ditto.

        2004-01-08  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (FL_ARCH3M): Renamed from FL_FAST_MULT.
        (FL_ARCH6): Renamed from FL_ARCH6J.
        (arm_arch3m): Renamed from arm_fast_multiply.
        (arm_arch6): Renamed from arm_arch6j.
        * arm.h: Update all uses of above.
        * arm-cores.def: Likewise.
        * arm.md: Likewise.

        * arm.h (CPP_CPU_ARCH_SPEC): Emit __ARM_ARCH_6J__ define for armV6j,
        not arm6j.  Add entry for arch armv6.

        2004-01-07  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_emit_extendsi): Delete.
        * arm-protos.h (arm_emit_extendsi): Delete.
        * arm.md (zero_extendhisi2): Also handle zero-extension of
        non-subregs.
        (zero_extendqisi2, extendhisi2, extendqisi2): Likewise.
        (thumb_zero_extendhisi2): Only match if not v6.
        (arm_zero_extendhisi2, thumb_zero_extendqisi2, arm_zero_extendqisi2)
        (thumb_extendhisi2, arm_extendhisi2, arm_extendqisi)
        (thumb_extendqisi2): Likewise.
        (thumb_zero_extendhisi2_v6, arm_zero_extendhisi2_v6): New patterns.
        (thumb_zero_extendqisi2_v6, arm_zero_extendqisi2_v6): New patterns.
        (thumb_extendhisi2_insn_v6, arm_extendhisi2_v6): New patterns.
        (thumb_extendqisi2_v6, arm_extendqisi_v6): New patterns.
        (arm_zero_extendhisi2_reg, arm_zero_extendqisi2_reg): Delete.
        (arm_extendhisi2_reg, arm_extendqisi2_reg): Delete.
        (arm_zero_extendhisi2addsi): Remove subreg.  Add attributes.
        (arm_zero_extendqisi2addsi, arm_extendhisi2addsi): Likewise.
        (arm_extendqisi2addsi): Likewise.

        2003-12-31  Mark Mitchell  <mark@codesourcery.com>

        Revert this change:
        * config/arm/arm.h (THUMB_LEGTITIMIZE_RELOAD_ADDRESS): Reload REG
        + REG addressing modes.

        * config/arm/arm.h (THUMB_LEGTITIMIZE_RELOAD_ADDRESS): Reload REG
        + REG addressing modes.

        2003-12-30  Mark Mitchell  <mark@codesourcery.com>

        * config/arm/arm.h (THUMB_LEGITIMATE_CONSTANT_P): Accept
        CONSTANT_P_RTX.

        2003-30-12  Paul Brook  <paul@codesourcery.com>

        * longlong.h: protect arm inlines with !defined (__thumb__)

        2003-30-12  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Always define __arm__.

        2003-12-30  Nathan Sidwell  <nathan@codesourcery.com>

        * builtins.c (expand_builtin_apply_args_1): Fix typo in previous
        change.

        2003-12-29  Nathan Sidwell  <nathan@codesourcery.com>

        * builtins.c (expand_builtin_apply_args_1): Add pretend args size
        to the virtual incoming args pointer for downward stacks.

        2003-12-29  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm-cores.def: Add cost function.
        * config/arm/arm.c (arm_*_rtx_costs): New functions.
        (arm_rtx_costs): Remove
        (struct processors): Add rtx_costs field.
        (all_cores, all_architectures): Ditto.
        (arm_override_options): Set targetm.rtx_costs.
        (thumb_rtx_costs): New function.
        (arm_rtx_costs_1): Remove cases handled elsewhere.
        * config/arm/arm.h (processor_type): Add COSTS parameter.

        2003-12-29  Nathan Sidwell  <nathan@codesourcery.com>

        * config/arm/arm.md (generic_sched): arm926 has its own scheduler.
        (arm926ejs.md): Include it.
        * config/arm/arm926ejs.md: New pipeline description.

        2003-12-24  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_arch6j): New variable.
        (arm_override_options): Set it.
        (arm_emit_extendsi): New function.
        * config/arm/arm-protos.h (arm_emit_extendsi): Add prototype.
        * config/arm/arm.h (arm_arch6j): Declare.
        * config/arm/arm.md: Add sign/zero extend insns.

        2003-12-23  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (all_architectures): Add armv6.
        * doc/invoke.texi: Document it.

        2003-12-19  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.md: Add load1 and load_byte "type" attrs.  Modify
        insn patterns to match.
        * config/arm/arm-generic.md: Ditto.
        * config/arm/cirrus.md: Ditto.
        * config/arm/fpa.md: Ditto.
        * config/amm/iwmmxt.md: Ditto.
        * config/arm/arm1026ejs.md: Ditto.
        * config/arm/arm1135jfs.md: Ditto.  Add insn_reservation and bypasses
        for 11_loadb.

        2003-12-18  Nathan Sidwell  <nathan@codesourcery.com>

        * config/arm/arm-protos.h (arm_no_early_alu_shift_value_dep): Declare.
        * config/arm/arm.c (arm_adjust_cost): Check shift cost for
        TYPE_ALU_SHIFT and TYPE_ALU_SHIFT_REG.
        (arm_no_early_store_addr_dep, arm_no_early_alu_shift_dep,
        arm_no_early_mul_dep): Correctly deal with conditional execution,
        parallels and single shift operations.
        (arm_no_early_alu_shift_value_dep): Define.
        * arm.md (attr type): Replace 'normal' with 'alu',
        'alu_shift' and 'alu_shift_reg'.
        (attr core_cycles): Adjust.
        (*addsi3_carryin_shift, andsi_not_shiftsi_si, *arm_shiftsi3,
        *shiftsi3_compare0, *notsi_shiftsi, *notsi_shiftsi_compare0,
        *not_shiftsi_compare0_scratch, *cmpsi_shiftsi, *cmpsi_shiftsi_swp,
        *cmpsi_neg_shiftsi, *arith_shiftsi, *arith_shiftsi_compare0,
        *arith_shiftsi_compare0_scratch, *sub_shiftsi,
        *sub_shiftsi_compare0, *sub_shiftsi_compare0_scratch,
        *if_shift_move, *if_move_shift, *if_shift_shift): Set type
        attribute appropriately.
        * config/arm/arm1026ejs.md (alu_op): Adjust.
        (alu_shift_op, alu_shift_reg_op): New.
        * config/arm/arm1136.md: Add better bypasses for early
        registers. Remove load[234] and store[234] bypasses.
        (11_alu_op): Adjust.
        (11_alu_shift_op, 11_alu_shift_reg_op): New.

        2003-12-15  Nathan Sidwell  <nathan@codesourcery.com>

        * config/arm/arm-protos.h (arm_no_early_store_addr_dep,
        arm_no_early_alu_shift_dep, arm_no_early_mul_dep): Declare.
        * config/arm/arm.c (arm_no_early_store_addr_dep,
        arm_no_early_alu_shift_dep, arm_no_early_mul_dep): Define.
        * config/arm/arm1026ejs.md: Add load-store bypass.
        * config/arm/arm1136jfs.md (11_alu_op): Take 2 cycles.
        Add bypasses between instructions.

        2003-12-10  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_fpu_model): New variable.
        (arm_fload_abi): New variable.
        (target_fpe_name): Rename from target_fp_name.
        (target_fpu_name): New variable.
        (arm_is_cirrus): Remove.
        (fpu_desc): New struct.
        (all_fpus): Define.
        (pf_model_for_fpu): Define.
        (all_loat_abis): Define.
        (arm_override_options): Set fp arch flags based on -mfpu=
        and -float-abi=.
        (FIRST_FPA_REGNUM): Rename from FIRST_ARM_FP_REGNUM.
        (LAST_FPA_REGNUM): Rename from LAST_ARM_FP_REGNUM.
        (*): Use new TARGET_* flags.
        * config/arm/arm.h (TARGET_ANY_HARD_FLOAT): Remove.
        (TARGET_HARD_FLOAT): No longer implies TARGET_FPA.
        (TARGET_SOFT_FLOAT): Ditto.
        (TARGET_SOFT_FLOAT_ABI): New.
        (TARGET_MAVERICK): Rename from TARGET_CIRRUS.  No longer implies
        TARGET_HARD_FLOAT.
        (TARGET_VFP): No longer implies TARGET_HARD_FLOAT.
        (TARGET_OPTIONS): Add -mfpu=.
        (FIRST_FPA_REGNUM): Rename from FIRST_ARM_FP_REGNUM.
        (LAST_FPA_REGNUM): Rename from LAST_ARM_FP_REGNUM.
        (arm_pf_model): Define.
        (arm_float_abi_type): Define.
        (fputype): Add FPUTYPE_VFP.  Change SOFT_FPA->NONE
        * config/arm/arm.md: Use new TARGET_* flags.
        * config/arm/cirrus.md: Ditto.
        * config/arm/fpa.md: Ditto.
        * config/arm/elf.h (ASM_SPEC): Pass -mfloat-abi= and -mfpu=.
        * config/arm/semi.h (ASM_SPEC): Ditto.
        * config/arm/netbsd-elf.h (SUBTARGET_ASM_FLOAT_SPEC): Specify vfp.
        (FPUTYPE_DEFAULT): Set to VFP.
        * doc/invoke.texi: Document -mfpu= and -mfloat-abi=.

        2003-11-22  Phil Edwards  <phil@codesourcery.com>

        PR target/12476
        * config/arm/arm.c (arm_output_mi_thunk):  In Thumb mode, use
        'bx' instead of 'b' to avoid branch range restrictions.  Output
        the thunk immediately before the thunked-to function.
        * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME):  Do not emit
        .thumb_func if a thunk is being generated.  Emit .code 16 along
        with .thumb_func if a thunk is not being generated.

        2003-11-15  Nicolas Pitre <nico@cam.org>

        * config/arm/arm.md (ashldi3, arm_ashldi3_1bit, ashrdi3,
        arm_ashrdi3_1bit, lshrdi3, arm_lshrdi3_1bit): New patterns.
        * config/arm/iwmmxt.md (ashrdi3_iwmmxt): Renamed from ashrdi3.
        (lshrdi3_iwmmxt): Renamed from lshrdi3.
        * config/arm/arm.c (IWMMXT_BUILTIN2): Renamed argument accordingly.

        2003-11-12  Steve Woodford  <scw@wasabisystems.com>
            Ian Lance Taylor  <ian@wasabisystems.com>

        * config/arm/lib1funcs.asm (ARM_DIV_BODY, ARM_MOD_BODY): Add new
        code for __ARM_ARCH__ >= 5 && ! defined (__OPTIMIZE_SIZE__).

        2003-11-05  Phil Edwards  <phil@codesourcery.com>

        * config/arm/arm.md (insn):  Add new V6 instruction names.
        (generic_sched):  New attr.
        * config/arm/arm-generic.md:  Use generic_sched here.
        * config/arm/arm1026ejs.md:  Do not model fetch/issue/decode
        stages of pipeline.  Adjust latency counts accordingly.
        * config/arm/arm1136jfs.md:  New file.

        2003-10-28  Mark Mitchell  <mark@codesourcery.com>

        * config/arm/arm.h (processor_type): New enumeration type.
        (CPP_ARCH_DEFAULT_SPEC): Set appropriately for ARM 926EJ-S,
        ARM1026EJ-S, ARM1136J-S, and ARM1136JF-S processor cores.
        (CPP_CPU_ARCH_SPEC): Likewise.
        * config/arm/arm.c (arm_tune): New variable.
        (all_cores): Use cores.def.
        (all_architectures): Add representative processor.
        (arm_override_options): Restructure way in which tuning
        information is deduced.
        * arm.md: Update "insn" and "type" attributes throughout.
        (insn): New attribute.
        (type): Compute "mult" from "insn" attribute.  Add load2,
        load3, load4 alternatives.
        (arm automaton): Move to arm-generic.md.
        * config/arm/arm-cores.def: New file.
        * config/arm/arm-generic.md: Likewise.
        * config/arm/arm1026ejs.md: Likewise.

2004-02-03  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/invoke.texi (SPARC options): Remove -mflat and
        all -mxxx (xxx:chip) options.
        * config/sparc/aout.h (DBX_REGISTER_NUMBER): Delete.
        * config/sparc/litecoff.h (DBX_REGISTER_NUMBER): Likewise.
        * config/sparc/netbsd-elf.h (DBX_REGISTER_NUMBER): Likewise.
        * config/sparc/sol2.h (DBX_REGISTER_NUMBER): Likewise.
        * config/sparc/sparc-protos.h: Delete sparc_flat_* prototypes.
        * config/sparc/sparc.c: Likewise.
        (sparc_output_function_prologue): Remove TARGET_FLAT handling.
        (sparc_nonflat_function_prologue): Rename into sparc_function_prologue.
        (sparc_output_function_epilogue): Remove TARGET_FLAT handling.
        (sparc_nonflat_function_epilogue): Rename into sparc_function_epilogue.
        (struct sparc_frame_info, current_frame_info, zero_frame_info): Delete.
        (sparc_flat_must_save_register_p): Likewise.
        (sparc_flat_compute_frame_size): Likewise.
        (sparc_flat_save_restore): Likewise.
        (sparc_flat_function_prologue): Likewise.
        (sparc_flat_function_epilogue): Likewise.
        (sparc_flat_epilogue_delay_slots): Likewise.
        (sparc_flat_eligible_for_epilogue_delay): Likewise.
        (sparc_function_ok_for_sibcall): Remove TARGET_FLAT handling.
        * config/sparc/sparc.h (MASK_FLAT, TARGET_FLAT): Delete.
        (TARGET_SWITCHES): Remove -mflat and all -mxxx (xxx:chip) options.
        (SPARC_INCOMING_INT_ARG_FIRST): Remove TARGET_FLAT handling.
        (CONDITIONAL_REGISTER_USAGE): Likewise.
        (FRAME_POINTER_REQUIRED): Likewise.
        (INITIAL_ELIMINATION_OFFSET): Likewise.
        (BASE_RETURN_VALUE_REG): Likewise.
        (BASE_OUTGOING_VALUE_REG): Likewise.
        (BASE_PASSING_ARG_REG): Likewise.
        (BASE_INCOMING_ARG_REG): Likewise.
        (INCOMING_REGNO): Likewise.
        (OUTGOING_REGNO): Likewise.
        (LOCAL_REGNO): Likewise.
        (DELAY_SLOTS_FOR_EPILOGUE): Likewise.
        (ELIGIBLE_FOR_EPILOGUE_DELAY): Likewise.
        (EPILOGUE_USES): Likewise.
        * config/sparc/sparc.md ("isa" attribute): Change "v6" into "v7".
        ("flat" attribute): Delete.
        (do_builtin_setjmp_setup): Remove TARGET_FLAT and "flat" attribute
        handling.
        (call followed by jump define_peephole's): Delete.
        (exception_receiver): Likewise.
        (builtin_setjmp_receiver): Likewise.
        * config/sparc/t-sparclite (MULTILIB_OPTIONS): Remove -mflat.

2004-02-03  Paolo Bonzini  <bonzini@gnu.org>

        PR c/11658
        PR c/13994
        * Makefile.in (c-parse.o, c-convert.o, c-typeck.o): Depend
        on langhooks.h.
        * objc/Make-lang.in (objc-parse.o): Depend on langhooks.h.
        * c-parse.in, c-convert.c, c-typeck.c, objc/objc-act.c:
        Include langhooks.h.  Replace c_common_truthvalue_conversion
        with the truthvalue_conversion language hook throughout.
        (expr_no_commas): Call default_conversion before save_expr
        for the first term of the production 'x ? : y'.
        * c-common.c (c_common_truthvalue_conversion): Remove
        obsolete block.  Invoke recursively the hook instead
        of this function.
        * c-convert.c (convert): handle ERROR_MARK_NODE.
        * c-typeck.c (build_binary_op): handle ERROR_MARK_NODE
        returned by the truthvalue_conversion language hook.
        * c-lang.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Use
        c_objc_common_truthvalue_conversion.
        * c-objc-common.c (c_objc_common_truthvalue_conversion):
        New function.
        * c-tree.h (c_objc_common_truthvalue_conversion): Declare it.
        * objc/objc-lang.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Use
        c_objc_common_truthvalue_conversion.

2004-02-03  Kazu Hirata  <kazu@cs.umass.edu>

        * config/c4x/c4x.h (FUNCTION_VALUE): Use gen_rtx_REG instead
        of gen_rtx.
        (LIBCALL_VALUE): Likewise.
        * config/ip2k/ip2k.c (mdr_try_propagate_clr_sequence): Use
        gen_rtx_CC0 instead of gen_rtx.
        * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use
        gen_rtx_fmt_e and gen_rtx_fmt_ee instead of gen_rtx.
        (m68hc11_expand_compare): Use gen_rtx_fmt_ee instead of
        gen_rtx.
        (m68hc11_emit_logical): Likewise.

2004-02-03  Kazu Hirata  <kazu@cs.umass.edu>

        * config/alpha/alpha.c, config/arm/arm.c, config/c4x/c4x.c,
        config/fr30/fr30.md, config/frv/frv.c, config/frv/frv.md,
        config/h8300/h8300.c, config/ia64/ia64.c, config/ip2k/ip2k.md,
        config/m32r/m32r.md, config/m68hc11/m68hc11.c,
        config/mips/mips.md, config/mmix/mmix.c,
        config/mn10300/mn10300.c, config/mn10300/mn10300.md,
        config/ns32k/ns32k.c, config/pa/pa.md, config/pdp11/pdp11.c,
        config/rs6000/altivec.md, config/s390/s390.c,
        config/s390/s390.h, config/s390/s390.md, config/sh/sh.c,
        config/sh/sh.h, config/sh/sh.md, config/stormy16/stormy16.c:
        Use const0_rtx instead of GEN_INT (0).  Do the same for other
        constants that are readily available.

2004-02-03  Kazu Hirata  <kazu@cs.umass.edu>

        * doloop.c, optabs.c, regmove.c, sched-deps.c,
        config/i386/i386.c, config/i386/i386.md: Use const0_rtx
        instead of GEN_INT (0).  Do the same for other constants that
        are readily available.

2004-02-03  Kazu Hirata  <kazu@cs.umass.edu>

        * combine.c (simplify_set): Use gen_rtx_fmt_e instead of
        gen_rtx.
        * emit-rtl.c (init_emit_once): Use gen_rtx_PC and gen_rtx_CC0
        instead of gen_rtx.
        * reload1.c (init_elim_table): Use gen_rtx_fmt_e instead of
        gen_rtx.
        * config/ns32k/ns32k.md (udivmodhi4): Use gen_rtx_IOR and
        gen_rtx_ASHIFT instead of gen_rtx.
        (udivmodqi4): Likewise.

2004-02-02  Richard Henderson  <rth@redhat.com>

        PR target/13789
        * expr.c (store_expr): Use force_operand before emit_move_insn.

2004-02-02  Jeff Law  <law@redhat.com>
            Roger Sayle  <roger@eyesopen.com>

        * tree.c (commutative_tree_code, associative_tree_code): New
        functions.
        (iterative_hash_expr): Use commutative_tree_code.
        * tree.h (commutative_tree_code, associative_tree_code): Declare.
        * fold-const.c (operand_equal_p): Use commutative_tree_code
        rather than inlining the commutativity check.
        (fold): Likewise.

2004-02-02  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Poison.
        * config/frv/frv-protos.h: Remove the prototype for
        frv_function_arg_keep_as_reference.
        * config/frv/frv.c (frv_function_arg_keep_as_reference):
        Remove.
        * config/frv/frv.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Likewise.
        * config/stormy16/stormy16.h: Remove the commented-out
        definition of FUNCTION_ARG_KEEP_AS_REFERENCE.

2004-02-03  Alan Modra  <amodra@bigpond.net.au>

        PR target/13914
        * config/rs6000/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Use ap
        for retaddr_column.

2004-02-02  Kazu Hirata  <kazu@cs.umass.edu>

        * genemit.c (gen_exp): Generate gen_rtx_fmt_e* instead of
        gen_rtx.

2004-02-02  Eric Christopher  <echristo@redhat.com>
            Zack Weinberg  <zack@codesourcery.com>

        * c-opts.c (c_common_handle_option): Add -finput-charset.
        * c.opt: Ditto.
        * cppcharset.c (one_iso88591_to_utf8): Remove.
        (convert_iso88591_utf8): Ditto.
        (conversion_tab): Remove 8859-1 converter.
        (_cpp_input_to_utf8): Remove.
        (_cpp_init_iconv_buffer): Ditto.
        (_cpp_close_iconv_buffer): Ditto.
        (_cpp_convert_input): New function.
        (_cpp_default_encoding): Ditto.
        * cpphash.h: Add/remove prototypes for above.
        * cppfiles.c (read_file_guts): Use _cpp_convert_input.
        * cppinit.c (cpp_create_reader): Use _cpp_default_encoding
        for narrow execution and input character sets.
        * cpplib.c (cpp_push_buffer): Delete uses of removed functions.
        * doc/cppopts.texi: Document -finput-charset.

2004-02-02  David Edelsohn  <edelsohn@gnu.org>

        * rtlanal.c (refers_to_regno_p): Test regno, not inner_regno,
        against FIRST_PSEUDO_REGISTER.

2004-02-02  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/invoke.texi (SPARC options): Further improve.

2004-02-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arm/arm.md, config/c4x/c4x.md, config/cris/cris.md,
        config/h8300/h8300.c, config/ip2k/ip2k.md,
        config/iq2000/iq2000.c, config/mips/mips.c,
        config/rs6000/rs6000.c, config/rs6000/rs6000.md,
        config/sh/sh.c, config/sh/sh.md, config/stormy16/stormy16.c,
        config/v850/v850.md: Fix indentation.

2004-02-02  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (function_arg_slotno): Align TImode
        arguments on a 16-byte boundary in the parameter array if ARCH64.
        Split handling of TFmode.

2004-02-02  Paolo Bonzini  <bonzini@gnu.org>

        * rtlanal.c (reg_overlap_mentioned_p) [!ENABLE_CHECKING]:
        Don't test CONSTANT_P (x).
        (reg_overlap_mentioned_p): Merge check for STRICT_LOWPART,
        ZERO_EXTRACT, SIGN_EXTRACT with the switch statement.
        Fix misindentation.

2004-02-02  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/invoke.texi (SPARC options): Document that -mflat is deprecated.

2004-02-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arc/arc.md, config/arm/arm.c, config/arm/arm.md,
        config/c4x/c4x.c, config/c4x/c4x.md, config/cris/cris.md,
        config/frv/frv.c, config/h8300/h8300.c, config/ip2k/ip2k.md,
        config/iq2000/iq2000.c, config/m32r/m32r.c,
        config/mcore/mcore.c, config/mips/mips.c, config/mmix/mmix.md,
        config/mn10300/mn10300.c, config/rs6000/rs6000.c,
        config/rs6000/rs6000.md, config/sh/sh.c, config/sh/sh.md,
        config/stormy16/stormy16.c, config/v850/v850.md,
        config/xtensa/xtensa.c: Replace gen_rtx with gen_rtx_fmt_e*.

2004-02-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mcore/mcore.c (block_move_sequence): Replace
        gen_rtx_CONST_INT with GEN_INT.

2004-02-02  Jan Hubicka  <jh@suse.cz>

        * alias.c (record_set): Use hard_regno_nregs.
        * bt-load.c (find_btr_reference, note_btr_set): Likewise.
        * builtins.c (apply_args_size): Likewise.
        * caller-save.c (setup_save_areas, save_call_clobbered_regs,
        mark_set_regs, add_stored_regs, mark_referenced_regs,
        insert_restore, insert_save, insert_one_insn): Likewise.
        * cfgcleanup.c: Include regs.h
        (mark_effect, mentions_nonequal_regs): Likewise.
        * cfgrtl.c (mark_killed_regs): Likewise
        * combine.c (update_table_tick, record_value_for_reg,
        record_dead_and_set_regs, get_last_value_validate, use_crosses_set_p,
        reg_dead_at_p_1, reg_dead_at_p, mark_used_regs_combine, move_deaths,
        reg_bitfield_target_p, distribute_notes): Likewise.
        * cse.c (mention_regs, insert, invalidate, invalidate_for_call,
        exp_equiv_p, cse_insn): Likewise.
        * cselib.c (cselib_lookup): Likewise.
        (cselib_invalidate_regno, cselib_record_set): Likewise.
        * df.c (df_ref_record): Likewise.
        * dwarf2out.c (reg_loc_descriptor, multiple_reg_loc_descriptor):
        Likewise.
        * flow.c (mark_reg, insn_dead_p, mark_set_1, mark_used_reg,
        count_or_remove_death_notes_bb): Likewise.
        * function.c (aggregate_value_p, keep_stack_depressed): Likewise.
        * gloval.c (global_alloc, find_reg, mark_reg_store, mark_reg_conflicts,
        mark_reg_death, set_preference, reg_becomes_live, reg_dies): Likewise.
        * integrate.c (mark_stores): Likewise.
        * jump.c (delete_prior_computation): Likewise.
        * lcm.c (reg_dies, reg_becomes_live): Likewise.
        * local-alloc.c (combine_regs, find_free_reg, post_mark_life): Likewise.
        * loop.c (LOOP_REGNO_NREGS): Likewise.
        * postreload.c (reload_combine, reload_combine_note_store,
        reload_combine_note_use, reload_cse_move2add, move2add_note_store): Likewise.
        * ra-colorize.c (combine, color_usable_p, get_free_reg,
        calculate_dont_begin, calculate_dont_begin, colorize_one_web,
        try_recolor_web, insert_coalesced_conflicts, check_colors,
        break_precolored_alias): Likewise.
        * ra-debug.c: Include regs.h
        (ra_print_rtx_object): Likewise.
        * ra-rewrite (choose_spill_colors): Likewise.
        (spill_same_color_p, update_spill_colors, spill_is_free): Likewise.
        * ra.c (init_ra): Likewise.
        * recog.c (reg_fits_class_p, peep2_reg_dead_p,
        peep2_find_free_register): Likewise.
        * reg-stack.c (subst_stack_regs_pat, convert_regs_exit): Likewise.
        * regclass.c (hard_regno_nregs): New array.
        (init_reg_modes_once): Initialize it.
        (choose_hard_reg_mode): Use it.
        (record_reg_classes): Likewise.
        * regmove.c (mark_flags_life_zones): Likewise.
        * regrename.c (note_sets, clear_dead_regs, regrename_optimize,
        scan_rtx_reg, dump_def_use_chain, kill_value, set_value_regno,
        copy_value, maybe_mode_change, find_oldest_value_reg,
        copyprop_hardreg_forward_1):
        * regs.h (hard_regno_nregs): Declare.
        * realod.c (reload_inner_reg_of_subreg): Use it.
        (push_reload, combine_reloads, find_dummy_reload,
        hard_reg_set_here_p, operands_match_p, decompose, find_reloads,
        refers_to_regno_for_reload_p, find_equiv_reg, regno_clobbered_p,
        reload_adjust_reg_for_mode): Likewise.
        * reload1.c (compute_use_by_pseudos, count_pseudo,
        count_spilled_pseudo, find_reg, find_reload_regs, mark_home_live,
        spill_hard_reg, forget_old_reloads_1, mark_reload_reg_in_use,
        clear_reload_reg_in_use, reload_reg_free_for_value_p, free_for_value_p
        allocate_reload_reg, choose_reload_regs, emit_reload_insns,
        delete_output_reload): Likewise.
        * resource.c (update_live_status, mark_referenced_resources,
        mark_set_resources, mark_target_live_regs): Likewise.
        * rtlanal.c:  Include regs.h
        (refers_to_regno_p, reg_overlap_mentioned_p, dead_or_set_p,
        dead_or_set_regno_p, find_regno_note, find_reg_fusage,
        subreg_regno_offset, subreg_offset_representable_p,
        hoist_test_store): Likewise.
        * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
        * sched-rgn.c (check_live_1, update_live_1): Likewise.
        * stmt.c: Include regs.h
        (decl_conflicts_with_clobbers_p): Likewise.
        * varasm.c (make_decl_rtl): Likewise.
        * Makefile.in (cfgcleanup.o, rtlanal.o, ra-debug.o): Add regs.h dependnecy.

2004-02-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
        config/arm/linux-gas.h, config/arm/netbsd-elf.h,
        config/arm/netbsd.h, config/arm/pe.c, config/avr/avr.c,
        config/avr/avr.h, config/avr/avr.md, config/c4x/c4x.h,
        config/cris/cris.h, config/fr30/fr30.h, config/frv/frv.c,
        config/frv/frv.h, config/ip2k/ip2k.c, config/iq2000/iq2000.c,
        config/iq2000/iq2000.h, config/m32r/m32r.c,
        config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
        config/m68hc11/m68hc11.md, config/m68k/m68k.md,
        config/mcore/mcore.c, config/mcore/mcore.h,
        config/mcore/mcore.md, config/mips/mips.c,
        config/ns32k/ns32k.h, config/ns32k/ns32k.md,
        config/rs6000/rs6000.c, config/s390/s390.c,
        config/s390/s390.md, config/sparc/sparc.c, config/v850/v850.c,
        config/xtensa/xtensa.h, config/xtensa/xtensa.md: Replace
        "gen_rtx (FOO, " with "gen_rtx_FOO (".

2004-02-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (two peephole2's): New.

2004-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sol2-bi.h: Handle TARGET_CPU_ultrasparc3.
        (CPP_CPU_SPEC): Handle -mcpu=ultrasparc3.
        (ASM_CPU_SPEC): Likewise
        * config/sparc/sol2.h: Handle TARGET_CPU_ultrasparc3.
        (ASM_CPU_SPEC): Remove -mcpu=v8plus.  Handle -mcpu=ultrasparc3.

2004-02-01  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (expand_builtin_pow): If flag_unsafe_math_optimizations
        isn't set, don't call expand_builtin_mathfn_2 to use the pow optab.
        (expand_builtin): Always call expand_builtin_pow.

2004-02-01  Roger Sayle  <roger@eyesopen.com>

        * builtins.def (BUILT_IN_SIGNBIT, BUILT_IN_SIGNBITF,
        BUILT_IN_SIGNBITL): New GCC builtins.
        * builtins.c (expand_builtin_signbit): New function to RTL expand
        calls to signbit, signbitf and signbitl as inline intrinsics.
        (expand_builtin): Call expand_builtin_signbit for BUILT_IN_SIGNBIT*.
        (fold_builtin_signbit): New function to perform constant folding
        of signbit, signbitf and signbitl.
        (fold_builtin): Call fold_builtin_signbit for BUILT_IN_SIGNBIT*.

        * doc/extend.texi: Document new signbit{,f,l} builtins.

2004-02-01  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (adddi3_internal_2): Remove superfluous %s.

2004-02-01  Chris Demetriou  <cgd@broadcom.com>

        * config/mips/mips.h (PREDICATE_CODES): Remove entries for
        "mips_const_double_ok" and "simple_memory_operand", which were
        removed from the MIPS port with the mips-3_4-rewrite branch merge.
        * config/mips/mips.c (mips16_lay_out_constants): Update comment
        for removal of simple_memory_operand.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * config/c4x/c4x.md: Use GEN_INT instead of
        gen_rtx (CONST_INT, ...).

2004-01-31  Richard Henderson  <rth@redhat.com>

        * varasm.c (output_constant_pool): Don't zap the pool.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * genrecog.c (decision_type): Add DT_const_int.
        (write_cond) [DT_const_int]: Print a comparison against small
        constant.
        (write_node): Simplify comparisons against small constants
        before printing tests.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m32r/m32r.c (m32r_load_pic_register): Use GEN_INT
        instead of gen_rtx_CONST_INT.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * config/xtensa/xtensa.h (DYNAMIC_CHAIN_ADDRESS): Use GEN_INT
        instead of gen_rtx_CONST_INT.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * target-def.h (TARGET_STRICT_ARGUMENT_NAMING): Define as
        hook_bool_CUMULATIVE_ARGS_false.
        * targhooks.c (default_strict_argument_naming): Rename to
        hook_bool_CUMULATIVE_ARGS_false.
        * targhooks.h: Update the prototype for
        default_strict_argument_naming.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * config/sh/sh.c: Replace "gen_rtx (FOO, " with "gen_rtx_FOO (".
        * config/sh/sh.h: Likewise.
        * config/sh/sh.md: Likewise.

2004-01-31  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/invoke.texi (SPARC options): Restructure and update.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (PROMOTE_FUNCTION_ARGS, STRUCT_VALUE_INCOMING, and
        STRICT_ARGUMENT_NAMING): Poison.
        * target-def.h (TARGET_PROMOTE_FUNCTION_ARGS): Define as
        hook_bool_tree_false.
        * targhooks.c (default_promote_function_args): Remove.
        (default_struct_value_rtx): Don't use STRUCT_VALUE_INCOMING.
        Don't check incoming.
        (default_strict_argument_naming): Don't use
        STRICT_ARGUMENT_NAMING.
        * targhooks.h: Remove the prototype for
        default_promote_function_args.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * config/i386/i386-protos.h: Remove the prototype for
        ix86_setup_incoming_varargs.
        * config/i386/i386.c (TARGET_SETUP_INCOMING_VARARGS): New.
        (ix86_setup_incoming_varargs): Make it static.
        * config/i386/i386.h (SETUP_INCOMING_VARARGS): Remove.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * alloc-pool.c: Fix comment typos.
        * builtin-types.def: Likewise.
        * builtins.def: Likewise.
        * c-pretty-print.c: Likewise.
        * df.h: Likewise.
        * reload1.c: Likewise.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/invoke.texi: Follow spelling conventions.
        * doc/tm.texi: Likewise.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

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

2004-01-31  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_decompose_address): Do not treat virtual
        registers as pointers.
        * config/s390/s390.md ("*la_31" second peephole2): Fix incorrect mode.

2004-01-31  Paolo Bonzini  <bonzini@gnu.org>

        * combine.c (cse_main): Set gen_lowpart to gen_lowpart_for_combine
        and restore it to gen_lowpart_general on exit.
        (gen_lowpart_for_combine): Adjust all callers to go through
        gen_lowpart.
        * cse.c (cse_main): Set gen_lowpart to gen_lowpart_if_possible
        and restore it to gen_lowpart_general on exit.
        (gen_lowpart_if_possible): Adjust all callers to go through
        gen_lowpart.
        * emit-rtl.c (gen_lowpart_general): New name of gen_lowpart.
        (gen_lowpart): Declare as pointer to function, initialized to
        gen_lowpart_general.
        * rtl.h (gen_lowpart): Declare as pointer to function.

2004-01-31  Kazu Hirata  <kazu@cs.umass.edu>

        * bt-load.c: Replace "gen_rtx (FOO, " with "gen_rtx_FOO (".
        * calls.c: Likewise.
        * emit-rtl.c: Likewise.
        * function.c: Likewise.
        * reload1.c: Likewise.
        * config/i386/cygming.h: Likewise.
        * config/i386/i386.c: Likewise.
        * config/i386/winnt.c: Likewise.

2004-01-30  Dara Hazeghi  <dhazeghi@yahoo.com>

        PR bootstrap/9249
        * doc/install.texi: document --enable-__cxa_atexit option.
        * configure.ac: Disable __cxa_atexit if not supported.
        * configure: Regenerate.

2003-01-30  Daniel Berlin  <dberlin@dberlin.org>

        * ggc-zone.c (ggc_free): New function.

2004-01-30  Kazu Hirata  <kazu@cs.umass.edu>

        alloc-pool.c, c-lex.c, c-pragma.h, c-semantics.c, cfghooks.c,
        cfghooks.h, cfglayout.c, cfgloopmanip.c, debug.c, debug.h,
        flow.c, genextract.c, ggc-common.c, ggc-page.c, ggc.h,
        ifcvt.c, jump.c, loop-unswitch.c, timevar.c, timevar.def,
        tree-optimize.c, vmsdbgout.c, config/fp-bit.c,
        config/alpha/alpha.c, config/alpha/alpha.h,
        config/alpha/alpha.md, config/alpha/unicosmk.h,
        config/alpha/vms.h, config/arm/linux-elf.h, config/avr/avr.c,
        config/c4x/c4x-protos.h, config/c4x/c4x.md,
        config/d30v/d30v.h, config/frv/frv.md, config/frv/frvbegin.c,
        config/frv/frvend.c, config/i386/cygming.h,
        config/i386/djgpp.h, config/i386/emmintrin.h,
        config/i386/gthr-win32.c, config/i386/i386-interix.h,
        config/i386/i386-protos.h, config/i386/openbsd.h,
        config/i386/winnt.c, config/i386/xm-mingw32.h,
        config/i386/xmmintrin.h, config/ia64/ia64.md,
        config/iq2000/iq2000.md, config/m32r/m32r.md,
        config/m68k/m68k.md, config/mcore/mcore-elf.h,
        config/mcore/mcore.md, config/mips/elf.h, config/mips/elf64.h,
        config/mips/iris5gas.h, config/mips/iris6.h,
        config/mips/iris6gas.h, config/mips/linux.h,
        config/mips/mips.md, config/mips/netbsd.h,
        config/mips/openbsd.h, config/mips/windiss.h,
        config/pa/fptr.c, config/rs6000/aix.h,
        config/rs6000/altivec.h, config/rs6000/darwin.h,
        config/rs6000/xcoff.h, config/s390/s390-protos.h,
        config/s390/s390.c, config/s390/s390.h, config/s390/s390.md,
        config/sh/netbsd-elf.h, config/sh/sh.h, config/sh/vxworks.h,
        config/sparc/sol2.h: Update copyright.

2004-01-30  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in (abs_docdir, abs_srcdir): Define.
        (doc/%.dvi, doc/gccinstall.dvi): Use $(abs_docdir).

2004-01-30  Kazu Hirata  <kazu@cs.umass.edu>

        * genconfig.c (main): Have CC0_P check its operand even on a
        target without cc0.

2004-01-30  Kazu Hirata  <kazu@cs.umass.edu>

        * config/alpha/alpha.c: Remove mentions of deprecates macros
        in comments, remove some target-independent comments about target
        macros, and/or add minimal function comments for target hook
        implementations.
        * config/avr/avr.c: Likewise.
        * config/ia64/ia64.h: Likewise.
        * config/ip2k/ip2k.c: Likewise.
        * config/iq2000/iq2000.c: Likewise.
        * config/m32r/m32r.h: Likewise.
        * config/m68hc11/m68hc11.c: Likewise.
        * config/mcore/mcore.c: Likewise.
        * config/mmix/mmix.c: Likewise.
        * config/mn10300/mn10300.c: Likewise.
        * config/pa/pa.c: Likewise.
        * config/pdp11/pdp11.c: Likewise.
        * config/rs6000/rs6000.h: Likewise.
        * config/sh/sh.c: Likewise.
        * config/sh/sh.h: Likewise.
        * config/sparc/sparc.c: Likewise.
        * config/sparc/sparc.h: Likewise.
        * config/stormy16/stormy16.c: Likewise.
        * config/xtensa/xtensa.c: Likewise.

2004-01-30  Ulrich Weigand  <uweigand@de.ibm.com>

        PR optimization/12147
        * reload1.c (reload_reg_free_p): RELOAD_OTHER conflicts with
        RELOAD_FOR_OPADDR_ADDR.
        (reload_reg_reaches_end_p): RELOAD_FOR_OTHER_ADDRESS register
        might be reused as RELOAD_FOR_OPADDR_ADDR register.

2004-01-30  Jan Hubicka  <jh@suse.cz>

        * reload.c (get_secondary_mem): Fix updating of
        secondary_memlocs_elim_used.

2004-01-30  Richard Henderson  <rth@redhat.com>

        * varasm.c (struct rtx_const, struct pool_constant): Remove.
        (MAX_RTX_HASH_TABLE): Remove.
        (const_rtx_hash_table, const_rtx_sym_hash_table): Remove.
        (first_pool, last_pool, pool_offset): Remove.
        (struct rtx_constant_pool): Split out from ...
        (struct varasm_status): ... here.  Reference one via pointer.
        (struct constant_descriptor_rtx): Merge struct pool_constant.
        (SYMHASH): Remove.
        (decode_rtx_const): Remove.
        (const_hash_rtx, compare_constant_rtx): Remove.
        (record_constant_rtx): Remove.
        (const_desc_rtx_hash, const_desc_rtx_eq): New.
        (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): New.
        (const_rtx_hash_1, const_rtx_hash): New.
        (init_varasm_status): Allocate a rtx_constant_pool, and its hashes.
        (simplify_subtraction): Use simplify_rtx.
        (force_const_mem): Rewrite to use new data structures.
        (find_pool_constant): Likewise.
        (get_pool_constant, get_pool_constant_mark,
        get_pool_constant_for_function, get_pool_mode,
        get_pool_mode_for_function, get_pool_offset, get_pool_size): Likewise.
        (output_constant_pool_2): Split out from output_constant_pool.
        (output_constant_pool_1): Likewise.  Use new pool datastructures.
        (output_constant_pool): Zap entire pool datastructure.
        (mark_constant): Use new pool datastructures.
        (mark_constants): Use for_each_rtx.
        (mark_constant_pool): Use new pool datastructures.

2004-01-30  Fariborz Jahanian <fjahanian@apple.com>

        * config/rs6000/rs6000.c (rs6000_emit_move): Remove #if 0.
        Copy operands[1] to pseudo for simplify_gen_subreg.

2004-01-30  Kazu Hirata  <kazu@cs.umass.edu>

        * gcse.c (bypass_block): Fix a typo in the previous check-in
        to the file.

2004-01-30  Andrew Pinski <pinskia@physics.uc.edu>

        * toplev.c: Include alloc-pool.h.
        * Makefile.in (toplev.c): Update dependencies.

2004-01-30  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * combine.c (simplify_shift_const, case XOR): Be careful when
        commuting XOR with ASHIFTRT.

2004-01-30  Kazu Hirata  <kazu@cs.umass.edu>
            Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc-protos.h: Remove the prototype for
        sparc_builtin_saveregs.
        * config/sparc/sparc.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
        (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
        (TARGET_PROMOTE_PROTOTYPES): Likewise.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
        (TARGET_STRICT_ARGUMENT_NAMING): Likewise.
        (sparc_builtin_saveregs): Make it static.
        (sparc_promote_prototypes): New.
        (sparc_struct_value_rtx): Likewise.
        (sparc_return_in_memory): Likewise.
        * config/sparc/sparc.h: (PROMOTE_FUNCTION_ARGS): Remove.
        (PROMOTE_FUNCTION_RETURN): Likewise.
        (RETURN_IN_MEMORY): Likewise.
        (STRUCT_VALUE): Likewise.
        (STRUCT_VALUE_INCOMING): Likewise.
        (EXPAND_BUILTIN_SAVEREGS): Likewise.
        (STRICT_ARGUMENT_NAMING): Likewise.
        (PROMOTE_PROTOTYPES): Likewise.

        * config/sparc/sparc.h (PROMOTE_MODE): Use word_mode.

2004-01-30  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR c/12818
        * varasm.c (const_hash_1) <STRING_CST>: Use the
        address to compute the hash value if flag_writable_strings.
        (compare_constant) <STRING_CST>: Compare the addresses
        if flag_writable_strings.
        (build_constant_desc): Do not copy the expression for a
        STRING_CST if flag_writable_strings.

2004-01-30  Jan Hubicka  <jh@suse.cz>

        * alloc-pool.c: Include hashtab.h
        (alloc_pool_descriptor): New structure
        (alloc_pool_hash): New global variable.
        (hash_descriptor, eq_descriptor, alloc_pool_descriptor): New.
        (create_alloc_pool): Update statistics.
        (free_alloc_pool): Likewise.
        (pool_alloc): Likewise.
        (output_info): New structure
        (print_statistics, dump_alloc_pool_statistics): New function.
        * alloc-pool.h (alloc_pool_def): Turn name to be constant.
        (dump_alloc_pool_statistics): Declare.
        * toplev.c (finalize):  Dump statistics.

        * reload.c (secondary_memlocs_elim_used): New static variable.
        (get_secondary_mem): Update it.
        (find_reloads): Use it.

2004-01-30  Steven Bosscher <s.bosscher@student.tudelft.nl>

        * toplev.c: Fix broken checkin of 2003-12-30, again.

2004-01-30  Ulrich Weigand  <uweigand@de.ibm.com>

        * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
        s390*-*-* targets by specifying a 'nop' insn.
        * configure: Regenerate.

2004-01-30  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/11475
        * config/sparc/sparc.md (movhi_lo_sum): Tighten predicates.

2004-01-29  Jakub Jelinek  <jakub@redhat.com>

        * emit-rtl.c (change_address): Use XEXP (memref, 0) instead
        of addr when creating MEM copy.

2004-01-29  Devang Patel  <dpatel@apple.com>

        * dwarf2out.c (gen_field_die): Do not equate decl number to die.

2004-01-28  Ian Lance Taylor  <ian@wasabisystems.com>

        PR inline-asm/6162
        * reload.c (find_reloads): Only support one pair of commutative
        operands.

2004-01-29  Roger Sayle  <roger@eyesopen.com>

        PR java/13824
        * tree.c (unsafe_for_reeval): Handle EXIT_BLOCK_EXPR nodes specially
        as their EXIT_BLOCK_LABELED_BLOCK operands can lead to unbounded
        recursion.

2004-01-29  Kazu Hirata  <kazu@cs.umass.edu>

        * config/frv/frv.c: Don't mention deprecated macros in
        comments.  Remove some target-independent comments about
        target macros.
        * config/frv/frv.h: Likewise.

2004-01-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * cfghooks.c (split_block): Set probability and count of the
        new edge.

2005-01-29  Josef Zlomek  <zlomekj@suse.cz>

        * dwarf2out.c (struct die_struct): Added field decl_id.
        (decl_die_table): Changed to hash table.
        (decl_die_table_allocated): Deleted.
        (decl_die_table_in_use): Deleted.
        (DECL_DIE_TABLE_INCREMENT): Deleted.
        (decl_die_table_hash): New function.
        (decl_die_table_eq): New function.
        (lookup_decl_die): Lookup in a hash table.
        (equate_decl_number_to_die): Insert into a hash table.
        (dwarf2out_init): Init hash table decl_die_table.

2004-01-29  Jakub Jelinek  <jakub@redhat.com>

        PR optimization/13424
        * expr.c (store_constructor): Revert 2003-12-03 change.

        * emit-rtl.c (change_address): Check also if MEM_ATTRS is set as
        expected before returning early.  Avoid sharing RTL if they
        need to be changed.

        * config/i386/i386.c (ix86_expand_movstr): Rework rep_mov and strmov
        handling so that memory attributes are preserved.  Don't call
        ix86_set_move_mem_attrs.
        (ix86_set_move_mem_attrs_1, ix86_set_move_mem_attrs): Removed.
        (ix86_expand_clrstr): Rename src argument to
        dst.  Rework rep_stos and strset handling so that memory attributes
        are preserved.
        (ix86_expand_strlen): Pass src argument to
        ix86_expand_strlensi_unroll_1.  Rework strlenqi_1 handling so that
        memory attributes are preserved.
        (ix86_expand_strlensi_unroll_1): Add src argument.  Use
        change_address instead of gen_rtx_MEM.
        * config/i386/i386.md (strmov, strmov_singleop, rep_mov): New
        expanders.
        (strmovdi_rex64, strmovsi, strmovsi_rex64, strmovhi, strmovhi_rex64,
        strmovqi, strmovqi_rex64): Remove.
        (rep_mov*, strmov*): Prefix insn names with *.
        (strset, strset_singleop, rep_stos): New expanders.
        (strsetdi_rex64, strsetsi, strsetsi_rex64, strsethi, strsethi_rex64,
        strsetqi, strsetqi_rex64): Remove.
        (rep_stos*, strset*): Prefix insn names with *.
        (rep_stosqi_rex64): Likewise.  Fix mode of dirflag reg from DImode
        to SImode.
        (cmpstrsi): Rework cmpstrqi_1 handling so that memory attributes
        are preserved.
        (cmpstrqi_nz_1, cmpstrqi_nz_rex_1, cmpstrqi_1, cmpstrqi_rex_1):
        Prefix insn names with *.
        (cmpstrqi_nz_1, cmpstrqi_1): New expanders.
        (strlenqi_1, strlenqi_rex_1): Prefix insn names with *.
        (strlenqi_1): New expander.
        * config/i386/i386.h (ix86_set_move_mem_attrs): Remove prototype.

2004-01-29  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * Makefile.in (cfghooks.o): Add TIMEVAR_H and toplev.h dependency.
        * basic-block.h (tidy_fallthru_edge, tidy_fallthru_edges, dump_bb,
        verify_flow_info): Declaration removed.
        * cfg.c (verify_flow_info, dump_bb): Moved to cfghooks.c.
        (debug_bb, debug_bb_n): Add argument to dump_bb call.
        * cfgcleanup.c (try_simplify_condjump, try_crossjump_to_edge,
        try_optimize_cfg, delete_unreachable_blocks): Use delete_basic_block
        instead of delete_block.
        * cfghooks.c: Include timevar.h and toplev.h.
        (cfg_hooks): Define here.
        (verify_flow_info, dump_bb): Moved from cfg.c.
        (redirect_edge_and_branch, redirect_edge_and_branch_force,
        split_block, split_block_after_labels, move_block_after,
        delete_basic_block, split_edge, create_basic_block,
        create_empty_bb, can_merge_blocks_p, merge_blocks,
        make_forwarder_block, tidy_fallthru_edge, tidy_fallthru_edges):
        New functions.
        * cfghooks.h (struct cfg_hooks): Added fields name,
        make_forwarder_block, tidy_fallthru_edge and
        move_block_after. Changed type of verify_flow_info, dump_bb,
        split_block fields. Renamed cfgh_split_edge and delete_block
        fields.
        (redirect_edge_and_branch, redirect_edge_and_branch_force,
        split_block, delete_block, split_edge, create_basic_block,
        can_merge_blocks_p, merge_blocks): Macros removed.
        (cfg_hooks): Do not export.
        (verify_flow_info, dump_bb, redirect_edge_and_branch,
        redirect_edge_and_branch_force, split_block, split_block_after_labels,
        move_block_after, delete_basic_block, split_edge, create_basic_block,
        create_empty_bb, can_merge_blocks_p, merge_blocks,
        make_forwarder_block, tidy_fallthru_edge, tidy_fallthru_edges):
        Declare.
        (cfg_layout_rtl_cfg_hooks): Declare.
        * cfgloop.c (update_latch_info, mfb_keep_just, mfb_keep_nonlatch):
        New functions.
        (canonicalize_loop_headers): Use new semantics of make_forwarder_block.
        (redirect_edge_with_latch_update): Removed.
        (make_forwarder_block): Moved to cfghooks.c, semantics changed.
        * cfgloopmanip.c (remove_bbs): Do not update dominators here.
        * cfgrtl.c (cfg_layout_split_block, rtl_split_block, rtl_dump_bb,
        rtl_delete_block, rtl_split_block, rtl_merge_blocks,
        tidy_fallthru_edge, rtl_split_edge, cfg_layout_delete_block,
        cfg_layout_merge_blocks, cfg_layout_split_edge): Partly moved to
        cfghooks.c.
        (rtl_create_basic_block): Coding style fix.
        (rtl_tidy_fallthru_edge, rtl_move_block_after,
        rtl_make_forwarder_block): New functions.
        (update_cfg_after_block_merging): Removed.
        (rtl_cfg_hooks, cfg_layout_rtl_cfg_hooks): Fill in new entries.
        * flow.c (verify_wide_reg, verify_local_live_at_start): Add argument
        to dump_bb.
        * ifcvt.c (merge_if_block, find_cond_trap, find_if_case_1,
        find_if_case_2): Don't update dominators.
        * timevar.def (TV_CFG_VERIFY): New.
        * loop-unswitch.c (unswitch_loop): Don't call add_to_dominance_info.
        * cfglayout.c (copy_bbs): Don't call add_to_dominance_info.
        * cfgloopmanip.c (split_loop_bb): Don't update dominators.
        (remove_bbs): Don't call remove_bbs.
        (create_preheader): Use make_forwarder_block.
        (mfb_keep_just, mfb_update_loops): New static functions.

2004-01-29  Kazu Hirata  <kazu@cs.umass.edu>

        * config/avr/avr.h: Remove target-independent comments about
        target macros.

2004-01-28  Daniel Berlin  <dberlin@dberlin.org>

        * timevar.c (timevar_print): Mention when checking is enabled.

2004-01-28  Giovanni Bajo  <giovannibajo@gcc.gnu.org>

        * c-lex.c (c_lex): Rename to...
        (c_lex_with_flags): Add new parameter to get CPP flags.
        (c_lex): Thunk to c_lex_with_flags while keeping the old interface.
        * c-pragma.h (c_lex_with_flags): Declare.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mcore/mcore.c (mcore_external_libcall): Add a
        comment.
        (mcore_return_in_memory): Likewise.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mcore/mcore-protos.h: Remove the prototype for
        mcore_setup_incoming_varargs.
        * config/mcore/mcore.c (TARGET_ASM_EXTERNAL_LIBCALL): New.
        (TARGET_PROMOTE_FUNCTION_ARGS): Likewise.
        (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
        (TARGET_PROMOTE_PROTOTYPES): Likewise.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_SETUP_INCOMING_VARARGS): Likewise.
        (mcore_setup_incoming_varargs): Make it static.  Receive the
        first argument by reference.  Add argument second_time.
        (mcore_external_libcall): New.
        (mcore_return_in_memory): Likewise.
        * config/mcore/mcore.h (PROMOTE_FUNCTION_ARGS): New.
        (PROMOTE_FUNCTION_RETURN): Likewise.
        (STRUCT_VALUE): Likewise.
        (RETURN_IN_MEMORY): Likewise.
        (SETUP_INCOMING_VARARGS): Likewise.
        (PROMOTE_PROTOTYPES): Likewise.
        (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m32r/m32r-protos.h: Remove the prototype for
        m32r_setup_incoming_varargs.
        * config/m32r/m32r.c (TARGET_PROMOTE_PROTOTYPES): New.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_SETUP_INCOMING_VARARGS): Likewise.
        (m32r_return_in_memory): New.
        (m32r_setup_incoming_varargs): Make it static.
        * config/m32r/m32r.h: Remove #undef of
        ASM_OUTPUT_EXTERNAL_LIBCALL.  Remove the commented-out
        definitions of PROMOTE_FUNCTION_ARGS and
        PROMOTE_FUNCTION_RETURN.
        (PROMOTE_PROTOTYPES): Remove.
        (RETURN_IN_MEMORY): Likewise.
        (STRUCT_VALUE): Likewise.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m68k/m68k.c (TARGET_PROMOTE_PROTOTYPES): New.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (m68k_struct_value_rtx): Likewise.
        * config/m68k/m68k.h (STRUCT_VALUE_REGNUM): Rename to
        STRUCT_VALUE_REGNUM.
        (PROMOTE_PROTOTYPES): Remove.
        * config/m68k/m68kelf.h (STRUCT_VALUE_REGNUM): Rename to
        STRUCT_VALUE_REGNUM.
        * config/m68k/m68kv4.h (STRUCT_VALUE_REGNUM): Likewise.
        * config/m68k/netbsd-elf.h (STRUCT_VALUE_REGNUM): Likewise.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/stormy16/stormy16.c
        (TARGET_BUILD_BUILTIN_VA_LIST_TYPE): Rename to
        TARGET_BUILD_BUILTIN_VA_LIST.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/v850/v850.c (TARGET_PROMOTE_PROTOTYPES): New.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_SETUP_INCOMING_VARARGS): Likewise.
        (v850_return_in_memory): Likewise.
        (v850_setup_incoming_varargs): Likewise.
        * config/v850/v850.h (PROMOTE_PROTOTYPES): Remove.
        (SETUP_INCOMING_VARARGS): Likewise.
        (RETURN_IN_MEMORY): Likewise.
        (STRUCT_VALUE): Likewise.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/fr30/fr30.c (TARGET_PROMOTE_PROTOTYPES): New.
        (fr30_setup_incoming_varargs): Don't use
        STRICT_ARGUMENT_NAMING.
        * config/fr30/fr30.h (PROMOTE_PROTOTYPES): Remove.
        (STRICT_ARGUMENT_NAMING): Likewise.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/frv/frv-protos.h: Remove the prototype for
        frv_expand_builtin_saveregs.
        * config/frv/frv.c (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
        (frv_stack_info): Use FRV_STRUCT_VALUE_REGNUM instead of
        STRUCT_VALUE_REGNUM.
        (frv_expand_builtin_saveregs): Make it static.
        (frv_struct_value_rtx): New.
        * config/frv/frv.h (EXPAND_BUILTIN_SAVEREGS): Remove.

2004-01-29  Jan Hubicka  <jh@suse.cz>

        PR c++/12850
        * cgraph.c (cgraph_remove_node): Clear out saved/insns/arguments and
        initial pointers.
        * cgraphunit.c (cgraph_finalize_function): Clear out DECL_SAVED_INSNS
        for functions that will be only inlined.
        (cgraph_mark_function_to_output): Likewise.
        (cgraph_expand_function): Sanity check that DECL_DEFER_OUTPUT is clear;
        do not clear function body.
        * tree-optimize.c (clear_decl_rtl): Use decl_function_context.
        (tree_rest_of_compilation): Reorganize the logic releasing function
        body to use callgraph datastructure.

2004-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.md: Change predicate of a peephole2 pattern from reg_or_0_operand
        to register_operand.

2004-01-28  Zack Weinberg  <zack@codesourcery.com>

        * config/ia64/ia64.md (fetchadd_acq_si, fetchadd_acq_di)
        (cmpxchg_acq_si, cmpxchg_acq_di): Exchange match_dup and
        match_operand expressions so that all match_dups appear
        lexically after their corresponding match_operands.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (WORD_REG_USED): Use
        HARD_FRAME_POINTER_REGNUM instead of FRAME_POINTER_REGNUM.
        (compute_saved_regs): Likewise.
        (h8300_expand_prologue): Likewise.  Allocate locals after
        saving registers.
        (h8300_expand_epilogue): Use HARD_FRAME_POINTER_REGNUM instead
        of FRAME_POINTER_REGNUM.  Deallocate locals before saving
        registers.
        (h8300_initial_elimination_offset): Adjust for the new frame
        layout, which swaps flips the order of locals and saved
        registers.
        * config/h8300/h8300.h (FIRST_PSEUDO_REGISTER): Change to 12.
        (HARD_FRAME_POINTER_REGNUM): New.
        (ELIMINABLE_REGS): Add an elimination rule from
        FRAME_POINTER_REGNUM to HARD_FRAME_POINTER_REGNUM.
        (REGISTER_NAMES): Add fp.
        * config/h8300/h8300.md (FP_REG): Change to 11.
        (HFP_REG): New.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * genrecog.c (write_node): Remove a useless local variable.

2004-01-28  Ian Lance Taylor  <ian@wasabisystems.com>

        * Makefile.in (options.c options.h): Use stamp file s-options to
        avoid unnecessary rebuilds.
        (options.o): New target listing dependencies.
        (gtyp-gen.h): Use stamp file s-gtyp-gen.
        (STAGESTUFF): Add s-gtyp-gen.

2004-01-28  Richard Henderson  <rth@redhat.com>

        * ggc.h (ggc_free): Declare.
        * ggc-common.c (ggc_realloc): Use it.
        * ggc-page.c: Remove lots of inline markers.
        (globals): Add free_object_list.
        (ggc_alloc): Tidy.
        (ggc_free, validate_free_objects): New.
        (poison_pages): Provide default.
        (ggc_collect): Call validate_free_objects; emit markers to
        the debug file.

2004-01-28  Zack Weinberg  <zack@codesourcery.com>
            Jim Wilson  <wilson@specifixinc.com>

        * config/ia64/ia64.c (ia64_split_tmode, ia64_split_tmode_move):
        Rewrite to use POST_INC/POST_DEC/POST_MODIFY instead of a
        scratch pointer.
        (ia64_secondary_reload_class): Delete case GR_REGS.
        * config/ia64/ia64.md (movti, *movti_internal, movtf, *movtf_internal):
        Do not allocate a scratch register.
        (reload_inti, reload_outti, reload_intf, reload_outtf): Delete.

2004-01-28  Jan Hubicka  <jh@suse.cz>

        * gcse.c (bypass_block): Prevent edges to be unified when we are
        about to emit compenstation code.

2004-01-28  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.c (arm_expand_builtin): Force second argument of
        the setcwx insn into a register.

2004-01-28  Richard Sandiford  <rsandifo@redhat.com>

        * config/fp-bit.c (pack_d): When using paired doubles to implement
        a long double, round the high part separately.
        (unpack_d): Fix the case in which the high part is a power of two
        and the low part is a nonzero value of the opposite sign.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/c4x/c4x.c (TARGET_ASM_EXTERNAL_LIBCALL): New.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (c4x_external_libcall): Likewise.
        (c4x_struct_value_rtx): Likewise.
        * config/c4x/c4x.h: Remove.
        (STRUCT_VALUE_REGNUM): Likewise.
        (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.

2004-01-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/i386/i386.c (TARGET_PROMOTE_PROTOTYPES): New.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        * config/i386/i386.h (STRUCT_VALUE_INCOMING): Remove.
        (STRUCT_VALUE): Likewise.
        (PROMOTE_PROTOTYPES): Likewise.

2004-01-27  Roger Sayle  <roger@eyesopen.com>

        * config/pa/pa.c (emit_move_sequence): Check that operand1 is a
        CONST_INT before using INTVAL.

2004-01-27  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.h (TARGET_DEFAULT): Default to !TARGET_BACKCHAIN.
        * config/s390/s390.c (s390_return_addr_rtx): Fail for all but current
        frame if !TARGET_BACKCHAIN.
        * config/s390/s390.md ("allocate_stack"): Use pattern only if
        TARGET_BACKCHAIN.
        * doc/invoke.texi (-mbackchain/-mno-backchain): Document new default.

2004-01-27  Zack Weinberg  <zack@codesourcery.com>

        * ia64.c (ia64_function_arg): When placing HFAs in integer
        registers, do not special case the mode used for complex
        types.  Do not advance int_regs until the current register
        is full.

2004-01-27  Richard Sandiford  <rsandifo@redhat.com>

        PR target/7297
        * except.c (init_eh): Use a 5-word __jbuf for __builtin_setjmp().

2004-01-27  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_emit_move): #if 0 splitting
        slow, unaligned loads and stores while debugging.  Fix formatting.

2004-01-27  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (save_stack_nonlocal): Use Pmode instead
        of computing wmode.
        (restore_stack_nonlocal): Same.

2004-01-27  Devang Patel <dpatel@apple.com>

        * Makefile.in (dwarf2out.o): Depend on input.h
        * dbxout.c (dbx_debug_hooks): Add new empty hook for
        imported_module_or_decl.
        (xcoff_debug_hooks): Same.
        * sdbout.c (sdb_debug_hooks): Same.
        * vmsdbgout.c (vmsdbg_debug_hooks): Same.
        * debug.c (do_nothing_debug_hooks): Same.
        (debug_nothing_tree_tree): New function.
        * debug.h (gcc_debug_hooks): New hook, imported_module_or_decl.
        * dwarf2out.c: Include input.h.
        (dwarf2_debug_hooks): Add new hook for imported_module_or_decl.
        (remove_child_TAG): New function.
        (dwarf_tag_name): Handle DW_TAG_imported_module.
        (gen_subprogram_die): Equate decl number to declaration die. Do not
        remove all children dies while reusing declaration die for definition.
        Instead, selectively remove only formal parameters.
        (gen_variable_die): Equate variable decl to declaration die.
        (gen_field_die): Equate field decl to line number.
        (force_namespace_die): Replace it with ...
        (force_decl_die): ... this.
        (force_type_die): New function.
        (setup_namespace_context): Replace use of force_namespace_die() with
        force_decl_die().
        (gen_namespace_die): Same.
        (dwarf2out_imported_module_or_decl): New function.

2004-01-27  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (xtensa_copy_incoming_a7): Remove SUBREG
        on CQImode and CHImode incoming arguments in register a7.
        (function_arg): Wrap BLKmode argument in register a7 in a PARALLEL.
        * config/xtensa/xtensa.h (BLOCK_REG_PADDING): Define.
        * config/xtensa/xtensa.md (movdi, movdf): Only call force_reg or
        xtensa_copy_incoming_a7 before reload.

2004-01-27  J"orn Rennecke <joern.rennecke@superh.com>

        * coverage.c (get_coverage_counts): Give a different message
        if flag_guess_branch_prob is set.
        * predict.c (counts_to_freqs): Return an int.
        (estimate_bb_frequencies): If counts_to_freqs returns zero,
        calculate estimates.

2004-01-27  Kazu Hirata  <kazu@cs.umass.edu>

        * config/iq2000/iq2000-protos.h: Remove the prototype for
        iq2000_setup_incoming_varargs.
        * config/iq2000/iq2000.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
        (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
        (TARGET_PROMOTE_PROTOTYPES): Likewise.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_SETUP_INCOMING_VARARGS): Likewise.
        (TARGET_STRICT_ARGUMENT_NAMING): Likewise.
        (iq2000_return_in_memory): Likewise.
        (iq2000_setup_incoming_varargs): Make it static.  Receive the
        first argument by reference.
        * config/iq2000/iq2000.h (PROMOTE_FUNCTION_ARGS): Remove.
        (PROMOTE_FUNCTION_RETURN): Likewise.
        (PROMOTE_PROTOTYPES): Likewise.
        (RETURN_IN_MEMORY): Likewise.
        (STRUCT_VALUE): Likewise.
        (SETUP_INCOMING_VARARGS): Likewise.
        (STRICT_ARGUMENT_NAMING): Likewise.

2004-01-24  James A. Morrison  <ja2morri@uwaterloo.ca>

        * fixinc/fixinc.c (test_test): Initialize res.
        (start_flexer): Initialize pz_cmd_save.

2004-01-27  Zack Weinberg  <zack@codesourcery.com>

        * doc/rtl.texi (Arithmetic): Rewrite entries for PLUS,
        SS_PLUS, US_PLUS, LO_SUM, MINUS, SS_MINUS, US_MINUS.

2004-01-27  Zack Weinberg  <zack@codesourcery.com>

        PR 7198
        * config/ia64/ia64.md (*nmaddsf4, *nmadddf4, *nmadddf4_alts)
        (*nmadddf4_trunc, *nmaddxf4, *nmaddxf4_truncsf, *nmaddxf4_truncdf)
        (*nmaddxf4_alts, *nmaddxf4_truncdf_alts):
        Rewrite pattern as (minus (op 3) (mult (op 1) (op 2))).
        Possibly rename pattern for consistency.
        Remove ??? comments suggesting that this be done.
        (*nmaddsf4_alts, *nmadddf4_truncsf_alts, *nmaddxf4_truncsf_alts):
        New patterns.
        (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr)
        (divsf3_internal_lat, divsf3_internal_thr, sqrtsf2_internal_thr)
        (divdf3_internal_lat, divdf3_internal_thr, sqrtdf2_internal_thr)
        (divxf3_internal_lat, divxf3_internal_thr, sqrtxf2_internal_thr):
        Update to match.

2004-01-27  Ian Lance Taylor  <ian@wasabisystems.com>

        * config/arm/arm.c (output_return_instruction): Only restore IP
        into SP if frame_pointer_needed.

2004-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (function_arg_pass_by_reference): Return 1
        for SCmode and DCmode if ARCH32.
        (sparc_va_arg): Handle SCmode and DCmode by reference if ARCH32.
        * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for TCmode
        if ARCH32.
        (BASE_RETURN_VALUE_REG): Return 32 for all FP modes except TFmode
        if ARCH32.
        (BASE_OUTGOING_VALUE_REG): Likewise.

2004-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/10904
        PR target/13058
        * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): New.
        Forbid mode changes from SImode for lower FP regs if ARCH64.

2004-01-27  J"orn Rennecke <joern.rennecke@superh.com>

        * Makefile.in (bt-load.o): Depend on except.h.
        * bt-load.c (except.h): #include.
        (compute_defs_uses_and_gen): If insn at end of BB can throw
        within this function, consider registers used by it unavailable for
        btr migration.
        (move_btr_def): If insn at end of BB can throw, insert before rather
        than after.

        * flags.h (flag_btr_bb_exclusive): Declare.
        * toplev.c (flag_btr_bb_exclusive): New variable.
        (f_options): Add btr-bb-exclusive.
        * bt-load.c (augment_live_range): Restore old behaviour if
        flag_btr_bb_exclusive is set.
        * common.opt: Add entry for -fbtr-bb-exclusive.
        * opts.c (common_handle_options): Same.
        * doc/invoke.texi: Document -fbtr-bb-exclusive.

        * bt-load.c (btrs_live_at_end): New variable.
        (compute_defs_uses_and_gen): Compute its pointed-to array.
        (clear_btr_from_live_range, add_btr_to_live_range): Update it.
        (augment_live_range): When augmenting with a new dominator,
        use only its btrs_live_at_end set, but also add in the full set
        of the old dominator.
        (btr_def_live_range): Use btrs_live_at_end.
        (move_btr_def): Set other_btr_uses_before_def, and move new set
        to the end of the basic block, if appropriate.
        (migrate_btr_defs): Allocate and free btrs_live_at_end.

        * bt-load.c (basic_block_freq): Remove outdated comment.

2004-01-27  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.h: Correct target_flags free bits comment.
        (PREDICATE_CODES): Remove duplicate.
        * config/rs6000/linux64.h (CPP_SYSV_SPEC): Don't define.
        (SUBSUBTARGET_OVERRIDE_OPTIONS): Disallow 32 bit TARGET_PROFILE_KERNEL.
        (MASK_PROFILE_KERNEL): Adjust define.

2004-01-27  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (ix86_constant_alignment): Decrease alignment
        of long string literals from 32 bytes to sizeof (void *) when !-Os
        and to 1 with -Os.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (h8300_tiny_constant_address_p): Accept
        constant addresses in the normal mode.

2004-01-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * system.h (CHAR_BITFIELD): Delete.
        (BOOL_BITFIELD): New.
        * c-decl.c (c_scope): Use BOOL_BITFIELD.
        * gengtype-lex.l: Recognize BOOL_BITFIELD instead of CHAR_BITFIELD.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arc/arc.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
        (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
        (TARGET_PROMOTE_PROTOTYPES): Likewise.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (arc_return_in_memory): Likewise.
        * config/arc/arc.h (PROMOTE_FUNCTION_ARGS): Remove.
        (PROMOTE_FUNCTION_RETURN): Likewise.
        (RETURN_IN_MEMORY): Likewise.
        (STRUCT_VALUE): Likewise.

2004-01-26  Richard Henderson  <rth@redhat.com>

        * c-parse.in (extension): Use itype.
        (SAVE_EXT_FLAGS): Don't allocate a tree.
        (RESTORE_EXT_FLAGS): Don't read a tree.

2004-01-26  Jan Hubicka  <jh@suse.cz>

        * cselib.c (discard_useless_values):  Clear out value pointer pointing
        to datastructure to be recycled.

2004-01-25  Jan Hubicka  <jh@suse.cz>

        * genextract.c (main): Do not output the memset when not checking.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (h8300_tiny_constant_address_p): Use a
        switch statement instead of a chain of if statements.

2004-01-26  Jeff Law  <law@redhat.com>

        * doc/contrib.texi: Minor cleanup for Paolo Carlini's entry.  Add
        acute accents for Petur Runolfsson's entry.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/pdp11/pdp11.c (TARGET_STRUCT_VALUE_RTX): New.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        * config/pdp11/pdp11.h (STRUCT_VALUE): Remove.
        (RETURN_IN_MEMORY): Likewise.

2004-01-26  Fariborz Jahanian  <fjahanian@apple.com>

         * config/rs6000/rs6000.c (rs6000_emit_move): split slow
         unaligned load/store into smaller loads and stores.

2004-01-26  Fariborz Jahanian  <fjahanian@apple.com>

        * function.c (assign_parms): Do not assign
        long long argument to memory in prologue if
        is it loaded into register.

2004-01-26  Fariborz Jahanian  <fjahanian@apple.com>

         PR middle-end/13779
         * expr.c (emit_group_load): split constant
         correctly into register components of PARALLEL insn.

2004-01-26  Fariborz Jahanian  <fjahanian@apple.com>

        * gcc/config/rs6000/rs6000.md (save_stack_nonlocal):
        Use adjust_address_nv directly with appropriate mode.
        (restore_stack_nonlocal): Ditto.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/xtensa/xtensa-protos.h: Remove the prototype for
        xtensa_builtin_saveregs.
        * config/xtensa/xtensa.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
        (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
        (TARGET_PROMOTE_PROTOTYPES): Likewise.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
        (xtensa_builtin_saveregs): Make it static.
        (xtensa_return_in_memory): New.
        * config/xtensa/xtensa.h (PROMOTE_FUNCTION_ARGS: Remove.
        (PROMOTE_FUNCTION_RETURN): Likewise.
        (PROMOTE_PROTOTYPES): Likewise.
        (STRUCT_VALUE): Likewise.
        (RETURN_IN_MEMORY): Likewise.
        (EXPAND_BUILTIN_SAVEREGS): Likewise.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arm/arm.c (TARGET_SETUP_INCOMING_VARARGS): New.
        (arm_setup_incoming_varargs): Likewise.
        * config/arm/arm.h (SETUP_INCOMING_VARARGS): Remove.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/cris/cris.c (TARGET_SETUP_INCOMING_VARARGS): New.
        (cris_setup_incoming_varargs): Likewise.
        * config/cris/cris.h (SETUP_INCOMING_VARARGS): Remove.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/ns32k/ns32k.c (TARGET_STRUCT_VALUE_RTX): New.
        (ns32k_struct_value_rtx): Likewise.
        * config/ns32k/ns32k.h (STRUCT_VALUE_REGNUM): Rename to
        NS32K_STRUCT_VALUE_REGNUM.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arm/arm.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
        (TARGET_PROMOTE_PROTOTYPES): Likewise.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (arm_struct_value_rtx): Likewise.
        * config/arm/arm.h (PROMOTE_FUNCTION_ARGS): Remove.
        (STRUCT_VALUE): Likewise.
        (STRUCT_VALUE_REGNUM): Likewise.
        (PROMOTE_PROTOTYPES): Likewise.

2004-01-26  Kazu Hirata  <kazu@cs.umass.edu>

        * config/ia64/ia64-protos.h: Remove the prototype for
        ia64_setup_incoming_varargs and ia64_return_in_memory.
        * config/ia64/ia64.c (TARGET_STRUCT_VALUE_RTX): New.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_SETUP_INCOMING_VARARGS): Likewise.
        (TARGET_STRICT_ARGUMENT_NAMING): Likewise.
        (ia64_setup_incoming_varargs): Adjust the arguments to meet
        the requirement of TARGET_SETUP_INCOMING_VARARGS.
        (ia64_return_in_memory): Make it static.  Change the return
        type to bool from int.  Add an argument.
        (ia64_struct_value_rtx): New.
        * config/ia64/ia64.h: Remove commented-out definitions of
        PROMOTE_FUNCTION_ARGS, PROMOTE_FUNCTION_RETURN, and
        PROMOTE_PROTOTYPES.
        (RETURN_IN_MEMORY): Remove.
        (STRUCT_VALUE_REGNUM): Likewise.
        (STRICT_ARGUMENT_NAMING): Likewise.

2004-01-26  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/13666
        * config/sparc/sparc.c (function_arg_union_value): New function.
        (function_arg): Use it to deal with unions.
        (function_value): Likewise.  Define 'regbase' only for ARCH64.
        Replace a conditional statement by a simpler one.

2004-01-26  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips16_optimize_gp): Delete.
        (mips_reorg): Don't call it.

2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.md (addqi3_noclobber): Move up pecking order.
        (floatunsqihf2): Remove operand 6.
        (fixhfqi_set, fix_trunchfqi2, fixuns_trunchfqi2): Group with other
        fix patterns.
        (ldi_conditional, ldf_conditional): Validate operands.

2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.h (BCT_CHECK_LOOP_ITERATIONS): Remove.
        (HAVE_GAS_HIDDEN): Undefine as interim measure.

2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.c (c4x_legitimate_address_p):  Invalidate direct
        memory references if TARGET_EXPOSE_LDP nonzero.

2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.c (legitimize_operands): Truncate invalid shift counts.

2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.c (c4x_valid_operands): More aggressively reject
        invalid operand combinations.

2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.c (c4x_check_legit_addr): Rename to
        c4x_legitimate_address_p.  Fix post_modify check.

        * config/c4x/c4x-protos.h (c4x_check_legit_addr): Adjust.
        * config/c4x/c4x.h (c4x_check_legit_addr): Adjust.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/pa/pa-protos.h: Remove the prototype for
        hppa_builtin_saveregs.  Add a prototype for
        pa_return_in_memory.
        * config/pa/pa.c (TARGET_PROMOTE_FUNCTION_RETURN): New.
        (TARGET_PROMOTE_PROTOTYPES): Likewise.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
        (pa_struct_value_rtx): Likewise.
        (pa_return_in_memory): Likewise.
        * config/pa/pa.h (STRUCT_VALUE_REGNUM): Rename to
        PA_STRUCT_VALUE_REGNUM.
        (INIT_CUMULATIVE_ARGS): Use pa_return_in_memory.
        (EXPAND_BUILTIN_SAVEREGS): Remove.
        (PROMOTE_PROTOTYPES): Likewise.
        (PROMOTE_FUNCTION_RETURN): Likewise.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/vax/vax.c (TARGET_PROMOTE_PROTOTYPES): New.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (vax_struct_value_rtx): Likewise.
        * config/vax/vax.h (STRUCT_VALUE_REGNUM): Rename to
        VAX_STRUCT_VALUE_REGNUM.
        (PROMOTE_PROTOTYPES): Remove.

2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x.h (LEGITIMIZE_RELOAD_ADDRESS):  Handle symref.

2003-04-25  Chris Demetriou  <cgd@broadcom.com>

        * config/mips/mips.h (ISA_HAS_HILO_INTERLOCKS): MIPS32, MIPS32r2,
        and MIPS64 have HI/LO interlocks.  Update comment.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/stormy16/stormy16-protos.h: Remove the prototype for
        xstormy16_setup_incoming_varargs.
        * config/stormy16/stormy16.c
        (xstormy16_setup_incoming_varargs): Remove.
        (xstormy16_return_in_memory): New.
        (TARGET_PROMOTE_FUNCTION_ARGS): Likewise.
        (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
        (TARGET_PROMOTE_PROTOTYPES): Likewise.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        * config/stormy16/stormy16.h (PROMOTE_FUNCTION_ARGS): Remove.
        (PROMOTE_FUNCTION_RETURN): Likewise
        (PROMOTE_PROTOTYPES): Likewise
        (RETURN_IN_MEMORY): Likewise
        (STRUCT_VALUE): Likewise
        (SETUP_INCOMING_VARARGS): Likewise

2004-01-25  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_offset_within_object_p): New function.
        (mips_symbolic_constant_p): Use it in the SYMBOL_SMALL_DATA and
        SYMBOL_CONSTANT_POOL cases.  Also use it for SYMBOL_GENERAL if the
        ABI has 64-bit pointers and the object file only allows 32-bit symbols.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/sh/sh.h (PROMOTE_FUNCTION_ARGS): Remove.
        (PROMOTE_FUNCTION_RETURN): Likewise.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mn10300/mn10300-protos.h: Remove the prototype for
        mn10300_builtin_saveregs.
        * config/mn10300/mn10300.c (TARGET_PROMOTE_PROTOTYPES): New.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
        (mn10300_return_in_memory): Likewise.
        (mn10300_builtin_saveregs): Make it static.
        * config/mn10300/mn10300.h (PROMOTE_PROTOTYPES): Remove.
        (RETURN_IN_MEMORY): Likewise.
        (STRUCT_VALUE): Likewise.
        (EXPAND_BUILTIN_SAVEREGS): Likewise.

2004-01-25  Eric Botcazou  <ebotcazou@act-europe.fr>

        PR bootstrap/13853
        * cfgcleanup.c (try_optimize_cfg): Explicitly test against 0.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/lib1funcs.asm (divnorm, modnorm): Optimize by
        using ccr.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/i860/i860-protos.h: Remove the prototype for
        i860_saveregs.
        * config/i860/i860.c (i860_saveregs): Make it static.
        (i860_struct_value_rtx): New.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
        * config/i860/i860.h (STRUCT_VALUE_REGNUM): Rename to
        I860_STRUCT_VALUE_REGNUM.
        (EXPAND_BUILTIN_SAVEREGS): Remove.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m68hc11/m68hc11.c (TARGET_STRUCT_VALUE_RTX): New.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (m68hc11_struct_value_rtx): Likewise.
        (m68hc11_return_in_memory): Likewise.
        * config/m68hc11/m68hc11.h: Remove a commented-out definition
        of PROMOTE_PROTOTYPES.
        (RETURN_IN_MEMORY): Remove.
        (STRUCT_VALUE_REGNUM): Likewise.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mmix/mmix-protos.h: Remove the prototype for
        mmix_setup_incoming_varargs.
        * config/mmix/mmix.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_SETUP_INCOMING_VARARGS): Likewise.
        (mmix_setup_incoming_varargs): Make it static.
        (mmix_struct_value_rtx): New.
        * config/mmix/mmix.h (PROMOTE_FUNCTION_ARGS): Remove.
        Remove a commented-out definition of PROMOTE_FUNCTION_RETURN.
        (STRUCT_VALUE_REGNUM): Remove.
        (SETUP_INCOMING_VARARGS): Likewise.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mips/mips-protos.h: Remove the prototypes for
        mips_setup_incoming_varargs and mips_return_in_memory.
        * config/mips/mips.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
        (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
        (TARGET_PROMOTE_PROTOTYPES): Likewise.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_SETUP_INCOMING_VARARGS): Likewise.
        (TARGET_STRICT_ARGUMENT_NAMING): Likewise.
        (mips_setup_incoming_varargs): Match the prototype for
        TARGET_SETUP_INCOMING_VARARGS.
        (mips_return_in_memory): Make it static.  Add argument fntype.
        (mips_strict_argument_naming): New.
        * config/mips/mips.h (PROMOTE_PROTOTYPES): Remove.
        (PROMOTE_FUNCTION_ARGS): Likewise.
        (PROMOTE_FUNCTION_RETURN): Likewise.
        (STRUCT_VALUE): Likewise.
        (RETURN_IN_MEMORY): Likewise.
        (SETUP_INCOMING_VARARGS): Likewise.
        (STRICT_ARGUMENT_NAMING): Likewise.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/ip2k/ip2k.c (TARGET_STRUCT_VALUE_RTX): New.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_SETUP_INCOMING_VARARGS): Likewise.
        (ip2k_return_in_memory): Likewise.
        (ip2k_setup_incoming_varargs): Likewise.
        * config/ip2k/ip2k.h (RETURN_IN_MEMORY): Remove.
        (STRUCT_VALUE): Likewise.
        (STRUCT_VALUE_INCOMING): Likewise.
        (SETUP_INCOMING_VARARGS): Likewise.

2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>

        * config/avr/avr.c (TARGET_STRUCT_VALUE_RTX): New.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        (TARGET_STRICT_ARGUMENT_NAMING): Likewise.
        (avr_return_in_memory): Remove.
        * config/avr/avr.h (RETURN_IN_MEMORY): Remove.
        (STRUCT_VALUE): Likewise.
        (STRUCT_VALUE_INCOMING): Likewise.
        (STRICT_ARGUMENT_NAMING): Likewise.

2004-01-25  Jan Hubicka  <jh@suse.cz>

        * combine.c (recog_for_combine): Avoid allocating unnecesary RTX.

2004-01-25  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips-protos.h (mips_reg_mode_ok_for_base_p): Delete.
        (mips_regno_mode_ok_for_base_p): Declare.
        * config/mips/mips.h (ARG_POINTER_REGNUM): Renumber to 77.
        (FRAME_POINTER_REGNUM): Renumber to 78.
        (FIRST_PSEUDO_REGISTER): Update comment accordingly.
        (BASE_REG_P, GP_REG_OR_PSEUDO_STRICT_P): Delete.
        (GP_REG_OR_PSEUDO_NONSTRICT_P): Delete.
        (REGNO_MODE_OK_FOR_BASE_P): Use mips_regno_mode_ok_for_base_p.
        (REG_MODE_OK_FOR_BASE_P): Likewise.
        * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Change
        entry for 77 to "$arg" and entry for 78 to "$frame".
        (mips_regno_to_class): Map 77 and 78 to ALL_REGS.
        (mips_reg_mode_ok_for_base_p): Remove.
        (mips_regno_mode_ok_for_base_p): New function, derived from old
        BASE_REG_P macro.  Don't enforce the mips16 stack pointer
        restrictions unless we're being strict.
        (mips_valid_base_register_p): Use mips_regno_mode_ok_for_base_p.

2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>

        * c-common.h: Fix comment typos.
        * c-decl.c: Likewise.
        * cgraphunit.c: Likewise.
        * combine.c: Likewise.
        * et-forest.c: Likewise.
        * flow.c: Likewise.
        * function.c: Likewise.
        * ifcvt.c: Likewise.
        * integrate.c: Likewise.
        * jump.c: Likewise.
        * postreload.c: Likewise.
        * varray.c: Likewise.

2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/frontends.texi: Update copyright.
        * doc/gcov.texi: Likewise.
        * doc/gty.texi: Likewise.
        * doc/sourcebuild.texi: Likewise.
        * doc/standards.texi: Likewise.

2004-01-24  Herman A.J. ten Brugge  <hermantenbrugge@home.nl>

        PR target/12978
        * c4x.md: (movstrqi*) Use match_scratch instead of match_dup.
        Remove movstrqi_small because it conflicts with movstrqi_large.

2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>

        * config/cris/cris.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (cris_struct_value_rtx): Likewise.
        * config/cris/cris.h (PROMOTE_FUNCTION_ARGS): Remove.
        (CRIS_STACKADJ_REG): Use CRIS_STRUCT_VALUE_REGNUM instead of
        STRUCT_VALUE_REGNUM.
        (STRUCT_VALUE_REGNUM): Rename to CRIS_STRUCT_VALUE_REGNUM.

2004-01-24  Ian Lance Taylor  <ian@wasabisystems.com>

        PR bootstrap/13848
        * cse.c (cse_cc_succs): Change the mode of the source expression
        as soon as decide we need a new mode.  Don't permit changing modes
        if we found a match in a successor block.
        (cse_condition_code_reg): Save original mode of source expression
        so that we know whether we have to change the mode in other
        insns.

2004-01-24  Jan Hubicka  <jh@suse.cz>

        * emit-rtl.c (change_address, adjust_address_1, offset_address,
        widen_memory_access):  Return early when there is nothing to change.

2004-01-24  Jakub Jelinek  <jakub@redhat.com>

        * simplify-rtx.c (simplify_relational_operation): Don't
        simplify address == constant into address + -constant == 0.

2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>

        * gcc.c (process_command): Don't internationalize the
        Copyright message.
        * mips-tfile.c (main): Likewise.

2004-01-24  Andreas Tobler  <a.tobler@schweiz.ch>

        * cse.c: (cse_cc_succs) Fix comparison warning.

2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md: Remove extraneous USE in expanders.

2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Provide prototypes for
        h8300_legitimate_constant_p and h8300_legitimate_address_p.
        * config/h8300/h8300.c (h8300_legitimate_constant_p): New.
        (h8300_rtx_ok_for_base_p): Likewise.
        (h8300_legitimate_address_p): Likewise.
        * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Use
        h8300_legitimate_constant_p.
        (RTX_OK_FOR_BASE_P): Remove.
        (GO_IF_LEGITIMATE_ADDRESS): Use h8300_legitimate_address_p.

2004-01-24  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.h (REG_OK_FOR_INDEX_NONSTRICT_P): New.
        (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
        (REG_OK_FOR_INDEX_STRICT_P): Likewise.
        (REG_OK_FOR_BASE_STRICT_P): Likewise.
        (REG_OK_FOR_INDEX_STRICT_P): Use REGNO_OK_FOR_INDEX_P.
        (REG_OK_FOR_BASE_STRICT_P): Use REGNO_OK_FOR_BASE_P.
        (REG_OK_FOR_INDEX_P): Use REG_OK_FOR_INDEX_STRICT_P.
        (REG_OK_FOR_BASE_P): Use REG_OK_FOR_BASE_STRICT_P.

2004-01-24  Jan Hubicka  <jh@suse.cz>

        * cselib.c (remove_useless_values):  Do not access discarded values.

2004-01-24  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-typeck.c (build_conditional_expr): Do not allow non-lvalue
        arrays.

2004-01-23  Kazu Hirata  <kazu@cs.umass.edu>

        * recog.c: Fix a typo in copyright.

2004-01-23  Andrew Pinski  <apinski@apple.com>

        * config/rs6000/rs6000.md (call): Fix misappiled patch.
        (call_value): Likewise.

2004-01-23  Richard Henderson  <rth@redhat.com>

        PR opt/12941
        * combine.c (SHIFT_COUNT_TRUNCATED): Provide default value.
        (simplify_comparison): Don't simplify (eq (zero_extract c 1 r) 0)
        if SHIFT_COUNT_TRUNCATED is set.

2004-01-23  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (xtensa_va_arg): Handle complex values as
        separate real and imaginary parts.
        * config/xtensa/xtensa.h (SPLIT_COMPLEX_ARGS): Define.

2004-01-23  Hartmut Penner <hpenner@de.ibm.com>

        PR target/13674
        * config/rs6000/rs6000.md (movdf_hardfloat64): Do not disparage
        loading into GPR.

2004-01-23  Jan Hubicka  <jh@suse.cz>

        * emit-rtl.c (change_address_1):  Do not re-generate the RTX if nothing
        change.

        * alloc-pool.c (align_four): Kill.
        (create_alloc_pool): Align size to eight.
        (free_alloc_pool, free_pool): Invalidate deallocated data.

2004-01-23  Ian Lance Taylor  <ian@wasabisystems.com>

        PR gcc/1532
        * cse.c (cse_change_cc_mode): New static function.
        (cse_change_cc_mode_insns, cse_cc_succs): Likewise.
        (cse_condition_code_reg): New function.
        * rtl.h (cse_condition_code_reg): Declare.
        * toplev.c (rest_of_handle_cse2): Call cse_condition_code_reg.
        * target.h (struct gcc_target): Add fixed_condition_code_regs and
        cc_modes_compatible.
        * target-def.h (TARGET_FIXED_CONDITION_CODE_REGS): Define.
        (TARGET_CC_MODES_COMPATIBLE): Define.
        (TARGET_INITIALIZER): Add new initializers.
        * targhooks.c (default_cc_modes_compatible): New function.
        * targhooks.c (default_cc_modes_compatible): Declare.
        * hooks.c (hook_bool_intp_intp_false): New function.
        * hooks.h (hook_bool_intp_intp_false): Declare.
        * config/i386/i386.c (TARGET_FIXED_CONDITION_CODE_REGS): Define.
        (TARGET_CC_MODES_COMPATIBLE): Define.
        (ix86_fixed_condition_code_regs): New static function.
        (ix86_cc_modes_compatible): Likewise.
        * doc/tm.texi (Condition Code): Document new hooks.

2004-01-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * fixinc/inclhack.def (bad_lval): Renamed to ...
        (alpha_bad_lval): ... this.
        Removed file list.
        Restrict to alpha*-dec-osf*.
        * fixinc/fixincl.x: Regenerate.
        * fixinc/tests/base/dirent.h: Remove, moving test ...
        * fixinc/tests/base/testing.h: ... here, reflecting new name.

2004-01-23  Zack Weinberg  <zack@codesourcery.com>

        PR c/13814
        * c-decl.c (diagnose_mismatched_decls): Also discard a
        built-in if we encounter an old-style definition with the
        same name.

2004-01-23  Jakub Jelinek  <jakub@redhat.com>

        * config.gcc (powerpc*-*): Clear $with_cpu or $with_tune if it was
        set to default{32,64}.

2004-01-21  Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/linux64.h (MD_FALLBACK_FRAME_STATE_FOR)
        [!__powerpc64__]: Corrected to handle kernels with changed ucontext.

2004-01-23  Eric Botcazou  <ebotcazou@act-europe.fr>
            Olivier Hainque  <hainque@act-europe.fr>

        * fold-const.c (fold_binary_op_with_conditional_arg): Only
        build a COMPOUND_EXPR if 'arg' is really a SAVE_EXPR.

2004-01-23  Daniel Jacobowitz  <drow@mvista.com>

        * config/arm/arm.c (arm_legitimate_address_p): Don't check the mode
        size for minipool references.

2004-01-23  Roger Sayle  <roger@eyesopen.com>

        * real.c (real_floor, real_ceil): Tweak to allow input and output
        arguments to overlap.
        (real_round): New function to implement round(3m) semantics.
        * real.h (real_round): Prototype here.
        * builtins.c (fold_builtin_round): New function to constant fold
        round, roundf and roundl.
        (fold_builtin): Call fold_builtin_round for BUILT_IN_ROUND{,F,L}.

2004-01-23  Alexandre Oliva  <aoliva@redhat.com>

        PR optimization/13819
        * config/sh/sh.c (sh_reorg): Compensate for sharing of CLOBBERs
        introduced by 2004-01-20's Jan Hubicka's copy_insn change.
        (sh_handle_sp_switch_attribute): Remove warning.

2003-11-30  Jan Hubicka  <jh@suse.cz>

        * i386.c (ix86_emit_restore_regs_using_mov):  Deal with large offsets.

2004-01-23  J"orn Rennecke <joern.rennecke@superh.com>

        * doc/tm.texi: Insert some weasel words when LOAD_EXTEND_OP
        may or may not return non-NIL.
        * postreload.c (reload_cse_simplify_operands): In LOAD_EXTEND_OP code,
        check CANNOT_CHANGE_MODE_CLASS

2004-01-23  Jan Hubicka  <jh@suse.cz>

        * basic-block.h (PROP_POSTRELOAD): New macro.
        (CLEANUP_LOG_LINKS): New.
        * cfgcleanup.c (cleanup_cfg): Only PROP_LOG_LINKS when asked to.
        * toplev.c (rest_of_handle_life):  Preserve LOG_LINKS trought cleanup_cfg.

        * cselib.c (value_pool): New.
        (new_cselib_val): Use pool.
        (cselib_init): Initialize value_pool
        (cselib_finish): Free pool.

2004-01-23  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (scan_record_type): New function.
        (function_arg_slotno): Use it to determine which kinds of
        registers the record can be passed in.

2004-01-22  James A. Mmorrison  <ja2morri@uwaterloo.ca>

        * config/pa/fptr.c: Fix old-style definition.

2004-01-22  Paolo Bonzini  <bonzini@gnu.org>

        PR optimization/13724
        * cse.c (fold_rtx) <SUBREG>:  Fold a SUBREG to zero if it
        represents the zero bits produced by a ZERO_EXTEND operation.

2004-01-22  Roger Sayle  <roger@eyesopen.com>

        PR optimization/13821
        * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset to
        correctly calculate the lowpart offset of the contracted subreg.

2004-01-22  Ian Lance Taylor  <ian@wasabisystems.com>

        * doc/invoke.texi (Optimize Options): Note that --param arguments
        are subject to change without notice.

2004-01-22  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config.gcc (mips-sgi-irix6*o32): Removed.
        * config/mips/iris6-o32-as.h: Likewise.
        * config/mips/iris6-o32-gas.h: Likewise.
        * config/mips/iris6-o32.h: Likewise.

2004-01-22  Jan Hubicka  <jh@suse.cz>

        * cfgcleanup.c (first_pass): New static variable.
        (try_forward_edges):  Add work limiting check for threading.
        (try_crossjump_bb):  Add work limiting check for crossjumping.
        (try_optimize_cfg):  Maintain first pass variable.

2004-01-22  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (function_arg): Generalize logic so that it
        handles complex and vector modes.

2004-01-22  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.h (REG_OK_FOR_INDEX_P_STRICT): Remove.
        (REG_OK_FOR_BASE_P_STRICT): Likewise.
        (STRICT): Likewise.

2004-01-22  Daniel Jacobowitz  <drow@mvista.com>

        * c-semantics.c (genrtl_while_stmt, genrtl_do_stmt_1)
        (genrtl_for_stmt): Remove emit_nop calls.

2004-01-22  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/13713
        PR target/13324
        * pa.md (movstrsi_prereload, movstrsi_postreload, movstrdi_prereload,
        movstrdi_postreload, clrstrsi_prereload, clrstrsi_postreload,
        clrstrdi_prereload, clrstrdi_postreload): Fix constraints.

2004-01-22  Daniel Jacobowitz  <drow@mvista.com>

        * config/arm/arm.c: Include "debug.h".
        (thumb_pushpop): Take two new arguments.  Add some commentary.
        Output frame information when pushing.
        (thumb_exit, thumb_unexpanded_epilogue): Update calls to
        thumb_pushpop.
        (thumb_output_function_prologue): Likewise.  Accumulate a CFA
        offset, and pass it to thumb_pushpop.  Output CFI information.
        (thumb_expand_prologue): Add some frame-related markers and notes.

2004-01-22  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_frame_info): Allow large frame sizes
        for TARGET_64BIT.
        (s390_arg_frame_offset): Change return type to HOST_WIDE_INT.
        * config/s390/s390-protos.h (s390_arg_frame_offset): Likewise.

2004-01-22  Roger Sayle  <roger@eyesopen.com>
            Paolo Bonzini  <bonzini@gnu.org>

        * rtlanal.c (subreg_lsb_1): New function split out from subreg_lsb.
        (subreg_lsb): Change to call new subreg_lsb_1 helper function.
        * rtl.h (subreg_lsb_1): Prototype here.
        * simplify-rtx.c (simplify_subreg): Optimize subregs of zero and
        sign extensions.

2004-01-22  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/tm.texi (CASE_VECTOR_PC_RELATIVE): Mention that the
        macro need not be defined if jump-tables should contain
        relative addresses only when -fPIC or -fPIC is in effect.

2004-01-22  Jan Hubicka  <jh@suse.cz>

        * alias.c (reg_base_value): Turn into varray.
        (reg_base_value_size): Kill.
        (old_reg_base_value): New deletable varray.
        (alias_invariant_size): New variable.
        (REG_BASE_VALUE): Update to use varray.
        (find_base_value): Likewise.
        (record_set): Likewise.
        (record_base_value): Likewise.
        (memrefs_conflict_p): Likewise.
        (record_set): Likewise
        (record_base_value): Likewise.
        (memrefs_conflict_p): Use alias_invariant_size.
        (init_alias_analysis): Use varray; set alias_invariant_size;
        rescale other arrays to be sized by maxreg.
        (end_alias_analysis): Save reg_base_value; clear alias_invariant_size.

2004-01-22  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (function_arg_slotno): Use
        FLOAT_TYPE_P to detect FP fields in structures.
        (function_arg_record_value_1): Likewise.
        (function_arg_record_value_2): Likewise.

2004-01-22  Jan Hubicka  <jh@suse.cz>

        * function.c (allocate_struct_function): Do not initialize expr, emit
        and varasm.
        (prepare_function_start): Do it here.
        * c-parse.in (maybe_type_qual): Do not produce line number notes.

2004-01-22  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/13559
        * config/sparc/sparc.c (function_arg_record_value_3): Revert
        to 'word_mode' once the first slot has been filled.

2004-01-22  Olivier Hainque  <hainque@act-europe.fr>

        * config/sparc/sparc.c (function_arg_record_value_1): Fix
        computation of the number of integer registers required.

2004-01-21  Kazu Hirata  <kazu@cs.umass.edu>

        * config/i386/i386.md: Simplify certain comparisons of
        const_int.

2004-01-21  Andrew Pinski  <apinski@apple.com>

        PR target/13785
        * config/rs6000/rs6000.md (call_value): Force operand
        1 not operand 0 into a register.

2004-01-21  Kazu Hirata  <kazu@cs.umass.edu>

        * cpperror.c, cpptrad.c, longlong.h, params.def, rtl.def,
        unwind-dw2-fde.h: Update copyright.

2004-01-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa-protos.h: Update copyright.
        * pa.h: Likewise.
        * pa.md: Likewise.

2004-01-21  Caroline Tice  <ctice@apple.com>

        PR target/12308
        * config/i386/i386.md (fix_truncxfdi2): Add clause to clobber
        flags register.
        (fix_truncdfdi2): Likewise.
        (fix_truncsfdi2): Likewise.
        (*fix_truncdi_1): Likewise.
        (fix_truncxfsi2): Likewise.
        (fix_truncdfsi2): Likewise.
        (fix_truncsfsi2): Likewise.
        (*fix_truncsi_1): Likewise.
        (fix_truncxfhi2): Likewise.
        (fix_truncdfhi2): Likewise.
        (fix_truncsfhi2): Likewise.
        (*fix_trunchi_1): Likewise.

2004-01-21  Kazu Hirata  <kazu@cs.umass.edu>

        * alias.c, basic-block.h, c-common.c, c-common.h,
        c-cppbuiltin.c, c-opts.c, c-pragma.c, c-pretty-print.c,
        calls.c, cfg.c, cfgcleanup.c, cfgrtl.c, cgraph.h, collect2.c,
        combine.c, cppcharset.c, cpphash.h, cppinit.c, cpplib.c,
        cpplib.h, cppmacro.c, crtstuff.c, cselib.c, cselib.h,
        defaults.h, df.c, dominance.c, et-forest.c, expmed.c, expr.c,
        expr.h, fix-header.c, function.h, gcc.c, gcse.c, genattrtab.c,
        genautomata.c, genconditions.c, genemit.c, genflags.c,
        gengtype.c, gengtype.h, genopinit.c, genrecog.c, gensupport.c,
        ggc-zone.c, graph.c, haifa-sched.c, input.h, integrate.c,
        langhooks-def.h, langhooks.c, langhooks.h, line-map.c,
        line-map.h, local-alloc.c, optabs.c, optabs.h, postreload.c,
        ra.h, recog.c, reg-stack.c, regmove.c, reload.c, reorg.c,
        rtl.c, sched-deps.c, sched-ebb.c, sdbout.c, system.h,
        target.h, targhooks.c, toplev.h, tree-inline.c, unwind-pe.h,
        unwind.h, varray.c, varray.h: Update copyright.

2004-01-21  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/coff.h: Update copyright.
        * config/h8300/elf.h: Likewise.
        * config/h8300/h8300-protos.h: Likewise.
        * config/h8300/h8300.c: Likewise.
        * config/h8300/h8300.h: Likewise.
        * config/h8300/h8300.md: Likewise.

2004-01-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * fixinc/inclhack.def (hpux10_stdio_declarations, ultrix_const3,
        ultrix_locale, ultrix_stdlib, ultrix_strings, ultrix_sys_time,
        ultrix_unistd): New hacks.
        * fixinc/tests/base/stdio.h (HPUX10_STDIO_DECLARATIONS_CHECK,
        ULTRIX_CONST2_CHECK): Add checks.
        * fixinc/tests/base/stdlib.h (ULTRIX_STDLIB_CHECK): Likewise.
        * fixinc/tests/base/strings.h (ULTRIX_STRINGS2_CHECK): Likewise.
        * fixinc/tests/base/unistd.h (ULTRIX_UNISTD_CHECK): Likewise.
        * fixinc/tests/base/sys/time.h (ULTRIX_SYS_TIME_CHECK): Likewise.
        * fixinc/tests/base/locale.h: New file.
        * fixinc/fixincl.x: Rebuilt.

2004-01-21  Andreas Jaeger  <aj@suse.de>
            Michael Matz  <matz@suse.de>

        * doc/extend.texi (Extended Asm): Clarify memory clobber.

2004-01-21  Jakub Jelinek  <jakub@redhat.com>

        * crtstuff.c (frame_dummy, __do_global_ctors_1): Call
        _Jv_RegisterClasses through a function pointer.

2004-01-21  Falk Hueffner  <falk@debian.org>

        PR target/12898
        * config/alpha/alpha.c (alpha_emit_set_const_1): If
        no_new_pseudos, use gen_rtx_SET directly for SImode constants
        which need multiple instructions to emit.

2004-01-21  Inaoka Kazuhiro  <inaoka.kazuhiro@renesas.com>

        * config/m32r/m32r.h (CPP_SPEC): Define.

2004-01-21  Zack Weinberg  <zack@codesourcery.com>

        * c-decl.c (merge_decls): Kill different_binding_level and
        different_tu arguments; simplify throughout.
        (duplicate_decls): Likewise.
        (pushdecl, merge_translation_unit_decls): Update calls to
        duplicate_decls.

2004-01-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * Makefile.in (pretty-print.o): Depend on $(CONFIG_H) and
        $(SYSTEM_H).
        (print-rtl1.o): Depend on $(SYSTEM_H).

2004-01-20  Kelley Cook  <kcook@gcc.gnu.org>

        PR bootstrap/12730
        * configure.ac: Delete definition and subsitution of docdir.
        Add info, man, srcman and srcinfo to target hooks. Create doc/
        directory.
        * configure: Regenerate.
        * Makefile.in: Don't substitute docdir and delete all references
        throughout.
        (MAKEINFOFLAGS): Define.
        (stmp-docobjdir): Delete.
        (INFOFILES, MANFILES): Define.
        (info): Call lang.info, srcinfo and lang.srcinfo.
        (generated-manpages): Call lang.man, srcman and lang.srcman.
        (srcinfo, srcman): New rules to copy back files to source directory.
        (doc/%.info, doc/%.dvi, doc/%.1, doc/%.7): New implict rule.
        (install-man): Revamp rule.
        (clean): Update dvi directory.
        (distclean): Delete TAGS from front end directorys.
        (maintainer-clean): Delete all document files in source directory.

        objc/Make-lang.in (objc.man, objc.info): Dummy entries.
        (objc.srcman, objc.srcinfo): Likewise.

2004-01-20  Bruce Korb  <bkorb@gnu.org>

        * fixinc/inclhack.def(math_exception): bypass only for glibc.
        (matherr_decl): rename & relocate as exception_structure.
        This fix must precede the math_exception fix.

2004-01-20  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold_convert): Rename to fold_convert_const.
        (fold_convert_const): Change arguments to take a tree_code,
        a type and the operand/expression to be converted.  Return
        NULL_TREE if no simplification is possible.  Add support for
        FIX_CEIL_EXPR and FIX_FLOOR_EXPR in addition to FIX_TRUNC_EXPR.
        (fold): Handle FIX_CEIL_EXPR and FIX_FLOOR_EXPR.
        Adjust call to fold_convert to match new fold_convert_const.
        Avoid modifying the tree passed to fold in-place.

2004-01-21  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/sysv4.h (DWARF2_FRAME_REG_OUT): Define.
        * dwarf2out.c (output_cfi): Map regs using DWARF2_FRAME_REG_OUT.
        * doc/tm.texi (DWARF_FRAME_REGNUM, DWARF2_FRAME_REG_OUT): Document.

2004-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa-protos.h (compute_frame_size): Use HOST_WIDE_INT for frame sizes.
        * pa.c (store_reg, store_reg_modify, load_reg, set_reg_plus_d):
        Likewise.  Handle frames larger than 0x7fffffff on 64-bit ports.
        (emit_move_sequence): Check scratch_reg first in various if statements.
        Extend source simplification to handle all 64-bit CONST_INTs.
        (pa_output_function_prologue): Use HOST_WIDE_INT_PRINT_DEC for printing
        frame size.
        (hppa_expand_prologue, hppa_expand_epilogue): Use HOST_WIDE_INT for
        frame offset calculations.
        * pa.h (NEW_HP_ASSEMBLER): Add comment.
        (MAX_LEGIT_64BIT_CONST_INT, MIN_LEGIT_64BIT_CONST_INT,
        LEGITIMATE_64BIT_CONST_INT_P): Define.
        (LEGITIMATE_CONSTANT_P): Use LEGITIMATE_64BIT_CONST_INT_P.  Treat
        any CONST_INT as legitimate during and after reload.
        (VAL_32_BITS_P, INT_32_BITS): Define.
        (LEGITIMIZE_RELOAD_ADDRESS): Handle large frame offsets.

2004-01-20  Jan Hubicka  <jh@suse.cz>

        * emit-rtl.c (verify_rtx_sharing, copy_insn_1,
        emit_copy_of_insn_after, emit_copy_of_insn_after): Clobbers
        containing hard regs are shared.
        (gen_hard_reg_clobber): New function.
        (hard_reg_clobbers): New array.
        * genemit.c (gen_exp): Use gen_hard_reg_clobber.
        (copy_rtx): Do not copy clobbers containing hard regs.
        * rtl.h (gen_hard_reg_clobber): Declare.

2004-01-20  Jan Hubicka  <jh@suse.cz>

        * varray.c:  Include hashtab.h
        (varray_descriptor): New structure.
        (hash_descriptor, eq_descriptor, varray_descriptor,
        print_statistics): New static functions
        (varray_init, varray_grow): Update statistics
        (dump_varray_statistics): New function.
        * varray.h (dump_varray_statistics): Declare.
        * toplev.c (finalize): Call it.
        * Makefile.in (varray.o): Add dependency.

2004-01-20  Jan Hubicka  <jh@suse.cz>

        * cselib.c: Include alloc-pool.h
        (empty_vals, empty_elt_lists, empty_elt_loc_lists): Kill.
        (elt_loc_list_pool, elt_list_pool, cselib_val_pool): Declare.
        (new_elt_list, new_elt_loc_list, unchain_one_elt_list,
        unchain_one_elt_loc_list_pool, unchain_one_value,
        new_cselib_val): Simplify using allocpool.
        (cselib_init): Initialize allocpools.
        (cselib_finish): Finish allocpools.
        * Makefile.in (cselib.o): Depend on alloc-pool.h

2004-01-20  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_load_call_address): Make the call insn
        use $gp if it could be calling a lazy binding stub.

2004-01-20  Kazu Hirata  <kazu@cs.umass.edu>

        * config/s390/s390.c (TARGET_PROMOTE_FUNCTION_ARGS): Define.
        (TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        * config/s390/s390.h (PROMOTE_FUNCTION_ARGS): Remove.
        (PROMOTE_FUNCTION_RETURN): Remove.
        (STRUCT_VALUE): Remove.

2004-01-20  Denis Chertykov  <denisc@overta.ru>

        PR bootstrap/13735
        * config/avr/avr.h (BASE_REG_CLASS): Don't permit to use X
        register as pointer after reload.

2004-01-20  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        PR optimization/12440
        * loop.c: Include ggc.h.
        (loop_optimize): Run garbage collector between optimization of loops.
        * Makefile.in (loop.o): Add GGC_H dependency.

2004-01-20  Hartmut Penner  <hpenner@de.ibm.com>

        * gcc/config/rs6000/rs6000.c (function_arg) Handle
        vector register special in function without prototype.
        (function_arg_advance): Vector parameters get always
        GPRs allocated for the linux64 target.

2004-01-20  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>

        * config/m32r/m32r.h (TARGET_M32R2). Test for TARGET_M32R2_MASK
        not TARGET_M32RX_MASK.

2004-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/13557
        * config/sparc/sparc.c (function_arg): Reorder the cases.

2004-01-19  Per Bothner  <per@bothner.com>

        Move cpp_reader's line_maps field to a shared global.
        * cpphash.h (cpp_reader):  Rename line_maps field to line_table
        and change the type to a pointer rather than a struct.
        * cppinit.c (cpp_push_main_field):  Adjust accordingly.
        * cpplib.c (do_include_common, _cpp_do_file_change, cpp_get_callbacks):
        Likewise.
        * cppfiles.c (validate_pch):  Likewise.
        * cppmacro.c (_cpp_warn_if_unused_macro, _cpp_builtin_macro_text):
        Likewise.
        * cpperror.c (print_location):  Likewise.
        * cpplib.h (cpp_create_reader):  New line_maps pointer parameter.
        * cppinit.c (cpp_create_reader):  Handle new parameter.
        (cpp_destroy):  Don't free line_maps - that's no longer our job.
        * input.h (line_table):  New variable.
        * toplev.c (line_table):  Declare variable.
        (general_init):  Initialize line_table.
        * c-opts.c (c_common_init_options):  Pass line_table to
        cpp_create_reader.
        * fix-header.c (read_scan_file):  New local variable line_table.
        Initialize, and pass it to cpp_create_reader.
        * Makefile.in (LIBS, LIBDEPS):  Add libcpp.a.
        (C_AND_OBJC_OBJS, fix-header):  Remove redundant libcpp.a.

2004-01-19  Per Bothner  <per@bothner.com>

        Implement a cache for linemap_lookup.
        * line-map.h (struct_line_maps):  Add cache field.
        * line-map.c (linemap_init):  Zero cache field.
        (linemap_add):  Set cache field to offset of newly allocated map.
        (linemap_lookup):  Use and set cache field.

2004-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR optimization/13567
        * cse.c (cse_basic_block): Call cse_insn with a non-null
        libcall_insn for the last SET insn of a no-confilict block.

2004-01-20  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in (target_noncanonical, program_transform_name): Use
        immediate define instead of deferred.
        (GCC_INSTALL_NAME, GCC_TARGET_INSTALL_NAME, CPP_INSTALL_NAME,
        PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, GCOV_INSTALL_NAME,
        GCCBUG_INSTALL_NAME): Define via a immediate $(shell) instead of
        deferred backquote.

2004-01-20  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-decl.c (c_init_decl_processing): Set pedantic_lvalues to
        true unconditionally.
        * c-typeck.c (unary_complex_lvalue, pedantic_lvalue_warning):
        Remove.
        (build_unary_op, build_modify_expr): Don't handle extended
        lvalues.
        (build_component_ref, build_conditional_expr): Call non_lvalue
        instead of pedantic_non_lvalue.
        (build_c_cast): Don't condition use of non_lvalue on pedantic.
        * fold-const.c (fold): Don't check pedantic directly for
        COMPOUND_EXPR.  Ensure that results for COMPOUND_EXPR are
        passed to pedantic_non_lvalue.
        * doc/extend.texi: Remove documentation of extended lvalues.

2004-01-19  Roger Sayle  <roger@eyesopen.com>

        PR optimization/5263
        * simplify-rtx.c (associative_constant_p): Delete.
        (simplify_associative_operation): Rewrite to linearize terms, and
        attempt to simplify new term against both left and right subterms.
        (simplify_binary_operation): Call swap_commutative_operands_p on
        op0 and op1, not trueop0 and trueop1.  Move the initialization of
        trueop0 and trueop1 down to where first needed.
        (simplify_relational_operation): Likewise.
        * rtlanal.c (commutative_operand_precedence): Also order constant
        operands using avoid_constant_pool_reference.

2004-01-19  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (aligned_memory_operand): Check MEM_ALIGN,
        don't check memory mode.
        (unaligned_memory_operand): Likewise.
        (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Don't
        abort for op0 not MEM.

        * config/alpha/alpha.c (alpha_expand_mov_nobwx): If the destination
        is not a reg, copy to a scratch first.
        (aligned_loadqi, aligned_loadhi, unaligned_loadqi, unaligned_loadhi,
        unaligned_loadqi_le, unaligned_loadqi_be, unaligned_loadhi_le,
        unaligned_loadhi_be): Expect op0 in DImode; don't SUBREG.
        (reload_inqi, reload_inhi): Fix mode of op0.
        (reload_inqi_help, reload_inhi_help, reload_outqi_help,
        reload_outhi_help): Likewise.  Use define_insn_and_split.

        * config/alpha/alpha.md (call peepholes): Check for REG_NORETURN
        as well as $29 dead.

2004-01-19  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): New.  Emit
        "tls_object" for thread-local objects.
        * config/sparc/sparc.c (sparc_elf_asm_named_section): Emit
        "#tls" for thread-local sections.
        * configure.ac (thread-local checks): Specify --fatal-warnings in
        every binutils-specific checks.  For sparc*-*-*, test whether the
        OS is Solaris and the tools are native and act accordingly.
        * configure: Rebuild.

2004-01-19  Jeff Law  <law@redhat.com>

        * contrib.texi: Update Paolo Carlini's entry.  New entries for
        Jerry Quinn and Petur Runolfsson.

2004-01-19  Roger Sayle  <roger@eyesopen.com>

        * config/i386/i386.md (*movhi_1, *movqi_1): When optimizing for
        size, don't use the larger zero-extending loads.

2004-01-19  Richard Henderson  <rth@redhat.com>

        * alpha.h (HARD_REGNO_MODE_OK): Disallow SImode in FP regs.
        * alpha.md (UNSPEC_NT_LDA): Remove.
        (UNSPEC_CVTLQ, cvtlq): New.
        (extendsidi2_1): Rename from extendsidi2_nofix; remove f/f.
        (extendsidi2_fix): Remove.
        (extendsidi2 splitter): Use cvtlq.
        (extendsidi2 fp peepholes): Remove.
        (cvtql): Use SFmode instead of SImode.
        (fix_trunc?fsi): Update to match.
        (floatsisf2_ieee, floatsisf2, floatsidf2_ieee, floatsidf2): New.
        (movsi): Rename from movsi_nofix, remove f alternatives.
        (movsi_nt_vms): Similarly.
        (movsi_fix, movsi_nt_vms_fix): Remove.
        (nt_lda): Remove.
        * alpha.c (alpha_expand_prologue): Use adddi3, not nt_lda.

2004-01-19  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_remove_node): Fix removal from linked list.
        * cgraphunit.c (cgraph_finalize_compilation_unit): Clear next_needed
        list.
        (cgraph_remove_unreachable_nodes): New function
        (cgraph_decide_inlining_of_small_function): Fix pasto.
        (cgraph_decide_inlining_incrementally): Fix pasto.
        (cgrpah_decide_inlining): Likewise; remove unreachable nodes.

2004-01-19  Steven Bosscher  <stevenb@suse.de>

        * gengtype.c (header_file): Make it static.
        (write_types_process_field, write_enum_defn): Minor whitespace fixes.
        * gengtype.h (header_file): No longer extern.

2004-01-18  Kazu Hirata  <kazu@cs.umass.edu>

        * defaults.h (CASE_VECTOR_PC_RELATIVE): Provide the default.
        * expr.c (CASE_VECTOR_PC_RELATIVE): Remove.
        * stmt.c (CASE_VECTOR_PC_RELATIVE): Likewise.

2004-01-18  Kazu Hirata  <kazu@cs.umass.edu>

        * stmt.c (HAVE_casesi): Define it not already defined.
        (HAVE_tablejump): Likewise.
        (expand_end_case_type): Resort to the binary tree method if
        neither casesi or tablejump is available.

2004-01-18  Daniel Jacobowitz  <drow@mvista.com>

        * final.c (final_scan_insn): Make non-static again.
        * output.h (final_scan_insn): Re-add prototype.
        * config/arc/arc.c (arc_output_function_epilogue): Add NULL
        to final_scan_insn call.
        * config/cris/cris.c (cris_target_asm_function_epilogue): Likewise.
        * config/mips/mips.c (mips_output_conditional_branch): Likewise.
        * config/pa/pa.c (output_lbranch, output_call): Likewise.
        * config/sh/sh.c (print_slot): Likewise.
        * config/sparc/sparc.c (sparc_nonflat_function_epilogue): Likewise.
        (output_sibcall, sparc_flat_function_epilogue): Likewise.

2004-01-18  Jan Hubicka  <jh@suse.cz>

        * basic-block.h (try_redirect_by_replacing_jump): Declare.
        * cfgcleanup.c (try_optimize_cfg): Use it.
        * cfgrtl.c (try_redirect_by_replacing_jump): Export.
        (rtl_redirect_edge_and_branch, cfg_layout_redirect_edge_and_branch):
        Kill hack.
        (cfg_layout_merge_blocks): Use try_redirect_by_replacing_jump.

        Revert:
        2004-01-16  Geoffrey Keating  <geoffk@apple.com>

                * cfgrtl.c (try_redirect_by_replacing_jump): Optimize tablejumps
                even after reload, just don't remove the actual jump tables.

2004-01-18  Kazu Hirata  <kazu@cs.umass.edu>

        * config/rs6000/rs6000.h (STRICT_ARGUMENT_NAMING): Remove.

2004-01-18  Kazu Hirata  <kazu@cs.umass.edu>

        * defaults.h (ASM_OUTPUT_ADDR_VEC_ELT): Fix the computation of
        the size of a pointer in bytes.

2004-01-18  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (expand_builtin_expect_jump): Fix thinko of reusing
        live "next" variable, which could lead to an infinite loop.

2004-01-18  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/rs6000/altivec.h: Wrap C++ functions in extern "C++"
        block.

        * config/rs6000/rs6000.c (rs6000_special_round_type_align):
        Check for NULL in the chain and remove repeated code.

2004-01-18  Jan Hubicka  <jh@suse.cz>

        * coverage.c (checksum_string): Rename to ...
        (coverage_checksum_string): ... this one, Use crc32_string; recognize
        names containing random number and zero the number out in order to get
        match.

2004-01-18  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_got_alias_set): Mark for PCH.

2004-01-18  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/c-tree.texi, doc/cpp.texi, doc/extend.texi,
        doc/frontends.texi, doc/gcov.texi, doc/gty.texi, doc/install.texi,
        doc/invoke.texi, doc/libgcc.texi, doc/md.texi, doc/rtl.texi,
        doc/sourcebuild.texi, doc/standards.texi, doc/tm.texi,
        doc/trouble.texi: Remove trailing whitespace.

2004-01-18  Richard Sandiford  <rsandifo@redhat.com>

        PR target/7618
        * config/mips/mips.c: Include cfglayout.h.
        (TARGET_ASM_OUTPUT_MI_THUNK, TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
        (mips_unspec_offset_high): Add temporary register argument.
        (mips_load_call_address): New function, split out from...
        (mips_expand_call): ...here.
        (mips_output_cplocal): New function.
        (mips_output_function_prologue, mips_output_function_epilogue): Use it.
        (mips_emit_loadgp): New function, split out from...
        (mips_expand_prologue): ...here.
        (mips_output_mi_thunk): New function.

2004-01-17  Bernardo Innocenti  <bernie@develer.com>

        * longlong.h (mc68020, __mc68030__, mc68030, __mc68040__, mc68040,
        mcpu32): Remove redundant checks for implied target predefines.

2004-1-17  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/rs6000/rs6000.c (rs6000_special_round_type_align):
        Return type is unsigned int not int.
        * config/rs6000/rs6000-protos.h (rs6000_special_round_type_align):
        Likewise.

2004-01-18  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/contrib.texi, doc/cppenv.texi, doc/extend.texi,
        doc/install.texi, doc/invoke.texi, doc/tm.texi: Consistently use
        "GNU/Linux" and "Microsoft Windows" terminology.

2004-01-18  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/c-tree.texi, doc/compat.texi, doc/cpp.texi,
        doc/cppopts.texi, doc/extend.texi, doc/install.texi,
        doc/interface.texi, doc/invoke.texi, doc/libgcc.texi, doc/md.texi,
        doc/objc.texi, doc/rtl.texi, doc/tm.texi, doc/trouble.texi: Use
        @smallexample instead of @example.

2004-01-17  Ziemowit Laski  <zlaski@apple.com>

        * objc/objc-act.c (build_objc_method_call): Use target
        hooks instead of macros to determine if ..._stret
        dispatchers should be used (NeXT runtime only).

2004-01-17  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (expand_builtin_expect_jump): Fix mistake in my
        last patch.  Use XEXP (x, 0) to get a LABEL_REF's CODE_LABEL.

2004-01-17  Daniel Jacobowitz  <drow@mvista.com>

        * rtl.h (emit_insn_before_sameloc, emit_jump_insn_before_sameloc)
        (emit_call_insn_before_sameloc, emit_insn_after_sameloc)
        (emit_jump_insn_after_sameloc, emit_call_insn_after_sameloc): New
        macros.
        * reload1.c (emit_reload_insns): Use them.
        * emit-rtl.c (emit_insn_before_sameloc, emit_insn_after_sameloc)
        (emit_jump_insn_after_sameloc, emit_call_insn_after_sameloc): Check
        for NULL PATTERN.

2004-01-17  Daniel Jacobowitz  <drow@mvista.com>

        * final.c (SEEN_BB, SEEN_NOTE, SEEN_EMITTED): Define.
        (final_scan_insn): Update to take an additional SEEN argument.  Emit
        a line note after the prologue.  Make static.
        (line_note_exists): Remove.
        (final): Don't initialize line_note_exists.  Update call to
        final_scan_insn.
        * output.h (final_scan_insn): Remove prologue.
        * function.c (set_insn_locators): Update comment.
        (thread_prologue_and_epilogue_insns): Add a comment.

2004-01-17  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/10781
        * config/rs6000/rs6000-protos.h (rs6000_special_round_type_align):
        Prototype.
        * config/rs6000/rs6000.c (rs6000_special_round_type_align):
        New function.
        * config/rs6000/linux64.h (ROUND_TYPE_ALIGN): Use it.
        * config/rs6000/aix.h (ROUND_TYPE_ALIGN): Likewise.
        * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Likewise.

2004-01-17  Jan Hubicka  <jh@suse.cz>

        * toplev.c (rest_of_handle_reorder_blocks): Fix pasto in previous
        commit.

        * toplev.c (HAVE_conditional_execution): Provide default.
        (rest_of_handle_reorder_blocks): For conditional_execution target
        update liveness once after all transformations
        (rest_of_compilation): Do crossjumping before ce3.

2004-01-17  Geoffrey Keating  <geoffk@apple.com>

        * alias.c (new_alias_set): Mark last_alias_set for PCH.
        (get_varargs_alias_set): Rename 'set' to 'varargs_set' and mark it
        for PCH.
        (get_frame_alias_set): Likewise, except rename it to 'frame_set'.
        * config/rs6000/rs6000.c (rs6000_sr_alias_set): Mark for PCH.
        (get_TOC_alias_set): Mark 'set' for PCH.

2004-01-16  Geoffrey Keating  <geoffk@apple.com>

        * cfgrtl.c (try_redirect_by_replacing_jump): Optimize tablejumps
        even after reload, just don't remove the actual jump tables.

2004-01-17  J. Brobecker  <brobecker@gnat.com>

        * dwarf2out.c (is_subrange_type): Renamed from is_ada_subrange_type().
        Remove checks for is_ada() and TREE_UNSIGNED.
        (subrange_type_die): Emit a byte_size attribute if the subrange
        type size is different from the base type size.
        (modified_type_die): Replace call to is_ada_subrange_type() by
        call to is_subrange_type().

2004-01-16  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/sh/sh.c: Include ggc.h.

2004-01-16  Geoffrey Keating  <geoffk@apple.com>

        * Makefile.in (MD5_H): New.
        (fold-const.o): Depend on md5.h.
        (dwarf2out.o): Likewise.
        (cppfiles.o): Likewise.
        * cppfiles.c: Include md5.h.
        (should_stack_file): Check against list read from PCH file.
        (struct pchf_data): New.
        (pchf): New variable.
        (struct pchf_adder_info): New.
        (pchf_adder): New.
        (pchf_save_compare): New.
        (_cpp_save_file_entries): New.
        (_cpp_read_file_entries): New.
        (struct pchf_compare_data): New.
        (pchf_compare): New.
        (check_file_against_entries): New.
        * cpphash.h (_cpp_save_file_entries): Prototype.
        (_cpp_read_file_entries): Prototype.
        * cpppch.c (cpp_write_pch_state): Write the list of headers.
        (cpp_read_state): Read the list of headers.

2004-01-17  Jan Hubicka  <jh@suse.cz>

        * c-common.c (c_estimate_num_insns_1): Handle builtin_constant_p and
        builtin_expect specially.
        * params.def (PARAM_MAX_INLINE_INSNS_AUTO): Set to 100.
        (PARAM_LARGE_FUNCTION_INSNS): Set to 3000.
        * invoke.texi (max-inline-insns-single): Set to 100.
        (large-function-insns): Set to 3000.

2004-01-16  Eric Christopher  <echristo@redhat.com>
            Chandrakala Chavva <cchavva@redhat.com>

        * cppcharset.c (one_iso88591_to_utf8): New function.
        (convert_iso88591_utf8): Ditto. Use.
        (conversion_tab): Use.
        (_cpp_input_to_utf8): New function.
        (_cpp_init_iconv_buffer): Ditto.
        (_cpp_close_iconv_buffer): Ditto.
        * cpphash.h: Prototype new functions.
        (cpp_buffer): Add input_cset_desc.
        * cppinit.c: Add input_charset default.
        * cpplib.c (cpp_push_buffer): Support init and
        close of iconv.
        * cpplib.h (cpp_options): Add input_charset.

2004-01-16  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (ASM_OUTPUT_SECTION_NAME): Poison.
        * config/alpha/unicosmk.h: Remove a commented-out definition
        of ASM_OUTPUT_SECTION_NAME.
        * config/stormy16/stormy16.h: Likewise.

2004-01-16  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * fixinc/inclhack.def (alpha___extern_prefix): Renamed to ...
        (alpha___extern_prefix_sys_stat): ... this.
        Apply to <sys/mount.h>, too.
        Tweak to match more variations.
        * fixinc/tests/base/sys/stat.h: Adapt for new hackname.

        * fixinc/inclhack.def (alpha___extern_prefix,
        alpha___extern_prefix_standards): New hacks to obey
        __PRAGMA_EXTERN_PREFIX.
        * fixinc/tests/base/testing.h [ALPHA___EXTERN_PREFIX_CHECK]: New
        test.
        * fixinc/tests/base/standards.h: Likewise.

        * fixincl/inclhack.def (alpha_pthread): Tweak to match more
        variations.
        New testcase.
        * fixinc/tests/base/pthread.h: Handle it.

        * fixincl/inclhack.def (bad_lval): Sort file list.
        Add many missing files up to Tru64 UNIX V5.1B.
        * gcc/fixinc/tests/base/libgen.h: Renamed to ...
        * gcc/fixinc/tests/base/dirent.h: ... this to match new file list
        order.

        * fixinc/fixincl.x: Regenerate.

2004-01-16  Mark Mitchell  <mark@codesourcery.com>

        * version.c (version_string): Change to 3.5.0.
        * doc/include/gcc-common.texi (version-GCC): Likewise.

2004-01-16  Jan Hubicka  <jh@suse.cz>

        * i386.md (load_tp_di): Fix pasto.

        PR opt/13608
        * i386.c (ix86_compute_frame_layout): Fix for alloca on leaf function.

        * c-pretty-print.c (pp_c_type_cast, pp_c_abstract_declarator,
        pp_c_character_constant, pp_c_floating_constant,
        pp_c_additive_expression, pp_c_shift_expression,
        pp_c_equality_expression, pp_c_and_expression,
        pp_c_exclusive_or_expression, pp_c_inclusive_or_expression,
        pp_c_logical_and_expression): Remove inline modifier.
        * dwarf2out.c (get_AT): Likewise.
        * et-forest.c (et_splay): Likewise.
        * ra.h (ra_alloc, ra_calloc): Likewise

2004-01-16  Kazu Hirata  <kazu@cs.umass.edu>

        * config/frv/frv-protos.h: Fix comment formatting.
        * config/frv/frv.c: Likewise.
        * config/frv/frv.h: Likewise.
        * config/frv/frv.md: Likewise.
        * config/frv/frvbegin.c: Likewise.
        * config/frv/frvend.c: Likewise.

2004-01-16  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (LINKER_DOES_NOT_WORK_WITH_DWARF2): Poison.
        * doc/tm.texi (PREFERRED_DEBUGGING_TYPE): Don't mention
        LINKER_DOES_NOT_WORK_WITH_DWARF2.
        (LINKER_DOES_NOT_WORK_WITH_DWARF2): Remove.

2004-01-16  J"orn Rennecke <joern.rennecke@superh.com>

        PR 11864
        * postreload.c (reload_cse_simplify_operands): Don't remove
        implicit extension from LOAD_EXTEND_OP.

2004-01-16  Jan Hubicka  <jh@suse.cz>

        PR opt/11350
        * cfgcleanup.c (try_optimize_cfg): Suppress tablejump removal
        after reload.
        * cfgrtl.c (rtl_can_merge_blocks, cfglayout_can_merge_blocks,
        rtl_try_redirect_by_replacing_branch): Likewise.

2004-01-15  Geoffrey Keating  <geoffk@apple.com>

        PR pch/13689
        * alias.c (struct alias_set_entry): Mark for GC.
        (alias_sets): Make static, mark for GC.
        (record_alias_subset): Use GC to allocate alias structures.
        * varray.c (element): Make generic varrays GCed.

        PR pch/13361
        * c-typeck.c (constructor_asmspec): Delete.
        (struct initializer_stack): Delete field 'asmspec'.
        (start_init): Delete saving of asmspec.
        (finish_init): Don't update constructor_asmspec.
        * dwarf2out.c (rtl_for_decl_location): Duplicate string from tree.
        * stmt.c (expand_asm): Duplicate strings from tree.
        (expand_asm_operands): Likewise.
        * tree.c (tree_size): Update computation of size of STRING_CST.
        (make_node): Don't make STRING_CST nodes.
        (build_string): Allocate string with tree node.
        * tree.def (STRING_CST): Update comment.
        * tree.h (TREE_STRING_POINTER): Adjust for change to STRING_CST.
        (tree_string): Place contents of string in tree node.
        * config/sh/sh.c (sh_handle_sp_switch_attribute): Duplicate string
        from tree.

        * config/rs6000/rs6000.c (rs6000_va_arg): No need to special-case
        altivec operands.

2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>

        * c-common.h: Fix comment formatting.
        * c-cppbuiltin.c: Likewise.
        * c-pragma.c: Likewise.
        * calls.c: Likewise.
        * collect2.c: Likewise.
        * cppcharset.c: Likewise.
        * cpptrad.c: Likewise.
        * dbxout.c: Likewise.
        * defaults.h: Likewise.
        * dwarf2out.c: Likewise.
        * fold-const.c: Likewise.
        * genautomata.c: Likewise.
        * genconditions.c: Likewise.
        * genflags.c: Likewise.
        * gengtype.c: Likewise.
        * integrate.c: Likewise.
        * loop.c: Likewise.
        * predict.c: Likewise.
        * sdbout.c: Likewise.

2004-01-15  Zack Weinberg  <zack@codesourcery.com>

        * config/ia64/ia64.md (*movti_internal): C output template
        extracted to ia64.c.
        (*movti_internal_reg): Delete.
        (reload_inti, reload_outti): Use the correct mode on operand 2
        in the first place, don't fix it up in the output template.
        (movtf, reload_ointf, reload_outtf): New expanders.
        (*movtf_internal): New define_insn_and_split.
        * config/ia64/ia64.c (ia64_split_timode): Rename to ia64_split_tmode;
        make static; do not hand TFmode CONST_DOUBLEs to split_double.
        (ia64_split_tmode_move): New function, body mostly pulled
        from ia64.md:*movti_internal.
        (ia64_function_arg_words): New function, extracted common
        logic from ia64_function_arg et seq.
        (ia64_function_arg_offset): Likewise.  Handle correctly the
        case of a scalar quantity 16 bytes wide with only 8-byte alignment.
        (ia64_function_arg, ia64_function_arg_partial_nregs)
        (ia64_function_arg_advance): Use ia64_function_arg_words and
        ia64_function_arg_offset.
        (ia64_function_value): TCmode does not go in float regs.
        (ia64_secondary_reload_class): Also handle TFmode.
        * config/ia64/ia64-protos.h: Remove prototype for
        ia64_split_timode; add prototype for ia64_split_tmode_move.

2004-01-15  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in (MAINT): Make it an immediate assignment.

2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m32r/m32r.md: Remove useless calls to gen_lowpart.

2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/coff.h: Replace Hitachi with Renesas.
        * config/h8300/elf.h: Likewise.
        * config/h8300/h8300-protos.h: Likewise.
        * config/h8300/h8300.c: Likewise.
        * config/h8300/h8300.h: Likewise.
        * config/h8300/h8300.md: Likewise.
        * config/h8300/lib1funcs.asm: Likewise.

2004-01-15  Andrew Pinski  <apinski@apple.com>

        * config/rs6000/rs6000.c (uses_TOC): Wrap #if TARGET_ELF
        around it.

2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (h8300_return_in_memory): New.
        (TARGET_STRUCT_VALUE_RTX): Likewise.
        (TARGET_RETURN_IN_MEMORY): Likewise.
        * config/h8300/h8300.h (STRUCT_VALUE): Remove.
        (RETURN_IN_MEMORY): Likewise.

2004-01-15  Richard Earnshaw  <rearnsha@arm.com>

        PR optimization/13375
        * gcse.c (handle_avail_expr): Just return if the source is not a
        single set.

2004-01-15  Richard Earnshaw  <rearnsha@arm.com>
            Daniel Jacobowitz  <drow@mvista.com>

        * arm/lib1funcs.asm (ARM_FUNC_START): Correct interworking case.
        (EQUIV): Define.
        (ARM_FUNC_ALIAS): New macro.
        * arm/ieee754-df.S (gedf2, ledf2, nedf2, eqdf2): Use it.
        * arm/ieee754-sf.S (gesf2, lesf2, nesf2, eqsf2): Use it.

2004-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR optimization/12372
        * calls.c (expand_call): Add call_fusage data for stack arguments in
        constant calls.

2004-01-15  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (uses_TOC): Correct comment.  Make static.
        (rs6000_elf_declare_function_name): Formatting.
        * config/rs6000/rs6000-protos.h (uses_TOC): Remove declaration.

2004-01-15  Jan Hubicka  <jh@suse.cz>

        PR bootstrap/13692
        * sched-deps.c (sched_analyze_1, sched_analyze_2): Fix thinko in
        previous patch.

2004-01-15  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.h (REG_ALLOC_ORDER): Reorder fp regs after
        integer regs of the same call-savedness.

2004-01-15  Andreas Schwab  <schwab@suse.de>

        PR bootstrap/13562
        * config/m68k/m68k.c (output_move_const_into_data_reg): Clear cc
        status for NOTB/NOTW/NEGW methods.

2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/invoke.texi: Update dump file names.  Fix a typo.

2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>

        * builtins.c (expand_builtin_va_end): Don't use
        EXPAND_BUILTIN_VA_END.
        * system.h (EXPAND_BUILTIN_VA_END): Poison.
        * config/d30v/d30v.h: Remove a commented-out definition of
        EXPAND_BUILTIN_VA_END.
        * config/stormy16/stormy16.h: Likewise.

2004-01-15  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (STRUCT_VALUE_INCOMING_REGNUM): Poison.
        * targhooks.c (default_struct_value_rtx): Don't use
        STRUCT_VALUE_INCOMING_REGNUM.

2004-01-15  Kelley Cook  <kcook@gcc.gnu.org>

        PR bootstrap/12744
        * configure.in: Revamp enable-generated-files-in-srcdir rule to define
        GENINSRC and not parsedir.  Define srcextra as a langhook.
        * configure: Regenerate.
        * Makefile.in: Suppress default .l.c rule.  Don't substitute
        parsedir and delete all references throughout.  Conditionally define
        rule for srcextra dependent on GENINSRC.
        (stmp-docobjdir): Delete.
        (c-parse.o, gengtype-lex.o, gengtype-yacc.o): Use implicit build rule.
        (srcextra): Copy c-parse.y, c-parse.c, gengtype-lex.c, gengtype-yacc.c,
        and gengtype-yacc.h back to source directory.
        (maintainer-clean): Delete all parse files in source directory.
        (distclean): Delete generated files.

        * objc/Make-lang.in (objc-parse.o): Use implicit build rule.
        (objc-parse.c, objc-parse.y): Don't use parsedir.
        (objc.srcextra): Copy objc-parse.y and objc-parse.c back to source
        directory if requested.
        (po-generated): Don't use parsedir.
        (objc.maintainer-clean): Delete above files from source directory.

2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/tm.texi (FUNCTION_VALUE): Fix a typo.

2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/tm.texi: Replace RETURN_IN_MEMORY with
        TARGET_RETURN_IN_MEMORY.

2004-01-15  Jan Hubicka  <jh@suse.cz>

        * builtins.c (std_expand_builtin_va_arg): Align operand when needed.
        * i386.c (init_cumulative_args): Set warn_sse; fix handling of variadic
        functions accepting SSE arguments
        (function_arg): Warn only when asked to warn.
        * i386.h (ix86_args): Add warn_sse/warn_mmx fiels.

2004-01-14  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-parse.in (stmts_and_decls): Make label at end of compound
        statement a hard error.

2004-01-14  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (create_edge): Use local.redefined_extern_inline.
        * cgraph.h (cgraph_local_info): Sort fields by size; add
        redefined_extern_inline
        (cgraph_global_info): Sort fields by size.
        (cgraph_node): Likewise.
        * cgraphunit.c (cgraph_finalize_function): Se
        local.redefined_extern_inline on redefinition.
        (cgraph_analyze_function): Use it; fix formating.

2004-01-14  Jan Hubicka  <jh@suse.cz>

        PR c++/10776
        * sched-deps.c (trye_dependency_cache, anti_dependency_cache,
        outptu_dependency_cache, forward_dependency_cahe): Trun to vectors of
        bitmaps
        (cache_size): New variable
        (add_dependence): Update use; canonize early memory locations
        (sched_analyze_1): Likewise.
        (sched_analyze_2): Likewise.
        (init_dependency_caches): Initialize bitmaps.
        (free_dependency_caches): Free bitmaps

2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>

        * calls.c: Replace STRICT_ARGUMENT_NAMING in comments with
        targetm.calls.strict_argument_naming().
        * target.h: Likewise.

2004-01-14  Richard Henderson  <rth@redhat.com>

        PR debug/13231
        * dwarf2out.c (dwarf2out_stack_adjust): Skip prologue and epilogue
        instructions.

2004-01-14  Richard Henderson  <rth@redhat.com>

        PR c++/12491
        * except.c (struct eh_region): Add u.fixup.resolved.
        (resolve_one_fixup_region): Split out from ...
        (resolve_fixup_regions): ... here.

2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mn10300/mn10300.h (STRUCT_VALUE): Change to 0.

2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>

        * config/alpha/alpha.h (STRUCT_VALUE): Remove.
        * config/alpha/vms.h (STRUCT_VALUE_REGNUM): Remove #undef.
        (STRUCT_VALUE): Remove.

2004-01-14  Steven Bosscher  <stevenb@suse.de>

        * system.h: Poison PROMOTED_MODE
        * integrate.c (expand_inline_function): Don't mention the
        PROMOTED_MODE.
        * loop.c (update_giv_derive): Same.
        * tree.h (DECL_RTL): Same.

2004-01-14  J"orn Rennecke <joern.rennecke@superh.com>

        PR target/9365
        * sh.c (gen_block_redirect): Add special handling of RETURN.
        (gen_far_branch) Don't call gen_stuff_delay_slot if there is no
        far branch target (i.e. it's a return).

2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>

        * regrename.c (find_oldest_value_reg): Fix a warning.

2004-01-14  Richard Earnshaw  <rearnsha@arm.com>

        PR bootstrap/12527
        * config.gcc (arm*-*-linux*): Don't include unknown-elf.h in tm_file.
        Move linux-gas.h and linux-elf.h before aout.h.
        * arm/arm.h (INITIALIZE_TRAMPOLINE): Only define if not already.
        * arm/linux-elf.h (SUBTARGET_CPU_DEFAULT): Define.

2004-01-14  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m32r/m32r.md: Use GEN_INT instead of gen_rtx
        (CONST_INT, VOIDmode, ...).

2004-01-14  Richard Earnshaw  <rearnsha@arm.com>

        * regrename.c (find_oldest_value_reg): If the replacement uses
        multiple hard registers, check that all of them are in CLASS.

2004-01-14  Jan Hubicka  <jh@suse.cz>

        * alias.c (get_alias_set):  Initialize alias set to 0 when subset is
        impossible.

2004-01-14  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in: Define MAINT from --enable-maintainer-mode.

2004-01-14  Hartmut Penner  <hpenner@de.ibm.com>

        * gcc/config/rs6000/rs6000.c (rs6000_stack_info)
        Calculate always vrsave_mask if TARGET_ALTIVEC.
        (rs6000_emit_prologue): Emit code for vrsave
        only if TARGET_ALTIVEC_VRSAVE.
        (rs6000_emit_epilogue): Likewise.

2004-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.md (tie_add32): Fix pasto.
        (tie_add64): Likewise.

2004-01-14  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * config/i386/i386.md (*addqi_1_slp): Do not access operands[2].

2004-01-13  Kazu Hirata  <kazu@cs.umass.edu>

        * config/iq2000/iq2000-protos.h: Fix comment formatting.
        * config/iq2000/iq2000.c: Likewise.
        * config/iq2000/iq2000.md: Likewise.

2004-01-14  J. Brobecker  <brobecker@gnat.com>

        * dwarf2out.c (is_ada_subrange_type): No longer check the TYPE_NAME.
        (subrange_type_die): Add handle for nameless subrange types.

2004-01-13  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Replace do_movsi with
        h8300_expand_movsi.
        * config/h8300/h8300.c (do_movsi): Change to
        h8300_expand_movsi.
        * config/h8300/h8300.md (movsi): Replace do_movsi with
        h8300_expand_movsi.
        (movsf): Likewise.

2004-01-13  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.c (dosize): Change to
        h8300_emit_stack_adjustment.  Update callers.

2004-01-13  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (movstrictqi): Add an alternative with
        the source being post_inc.  Tighten the predicate for the
        destination to register_operand.
        (movstricthi): Likewise.

2004-01-13  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (SHARED_BSS_SECTION_ASM_OP): Poison.
        * varasm.c (bss_section): Don't use SHARED_BSS_SECTION_ASM_OP.
        * doc/tm.texi (SHARED_BSS_SECTION_ASM_OP): Remove.

2004-01-14  Jan Hubicka  <jh@suse.cz>

        Partial fix PR c++/12850
        * cgraphunit.c (cgraph_finalize_function): Always ggc_collect when
        at zero nest level.

2004-01-13  Bernardo Innocenti  <bernie@develer.com>

        * config/m68k/netbsd-elf.h (REGISTER_NAMES): Add missing "argptr"
        pseudo-register.

2004-01-13  Devang Patel <dpatel@apple.com

        PR debug/7078
        * dbxout.c (dbxout_symbol_name): Emit mangled names for
        NAMESPACE_DECL memebers.

2004-01-13  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c++/12709
        * c-common.c (finish_fname_decls): Use the chain only if the
        tree is an expr_stmt.

2004-01-13  Vladimir Makarov  <vmakarov@redhat.com>

        * rtl.def: Add comment about new option in automata_option.

        * genautomata.c (PROGRESS_OPTION): New macro.
        (progress_flag): New global variable.
        (gen_automata_option): Process `progress'.
        (transform_insn_regexps, check_unit_distributions_to_automata,
        make_automaton, NDFA_to_DFA, build_automaton, create_automata,
        expand_automata, write_automata): Print about the progress only if
        progress_flag.  Remove fflush.
        (initiate_automaton_gen): Process command line flag `-progress'.

        * doc/md.texi: Describe the new option.

2004-01-13  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * cfg.c (dump_bb): Dump entry edges.

2004-01-13  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (thumb_legitimate_address_p): Only allow constant pool
        references from SImode.
        * arm.md (thumb_movhi_insn): Don't allow minipool references.

2004-01-13  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (TEXT_SECTION): Poison.
        * varasm.c (text_section): Don't use TEXT_SECTION.
        * config/sh/sh.c (sh_file_start): Fix a comment typo.
        * doc/tm.texi (TEXT_SECTION): Remove.

2004-01-13  Ben Elliston  <bje@wasabisystems.com>

        * doc/rtl.texi (Vector Operations): Remove defunct vec_const item.

2004-01-12  James E Wilson  <wilson@specifixinc.com>

        * unwind-libunwind.c: Delete.

2004-01-12  Zack Weinberg  <zack@codesourcery.com>

        PR 13656
        * c-decl.c (diagnose_mismatched_decls): Whenever newtype or
        oldtype is set, set *newtypep or *oldtypep too.  Do not set
        them at the very end.
        (validate_proto_after_old_defn): Restructure for comprehensibility;
        make error messages clearer.

2004-01-12  Zack Weinberg  <zack@codesourcery.com>

        * varray.h (VARRAY_POP): Add checking variant, aborts on underflow.
        (VARRAY_TOP): Use VARRAY_CHECK so the access is bounds-checked.
        * varray.c: No need to prototype error.
        (varray_check_failed): Wrap long string onto two lines.
        (varray_underflow): New function.

2004-01-13  Steven Bosscher  <stevenb@suse.de>

        PR c++/13376
        * function.h (struct function): Kill `name' field.
        (current_function_name): Make it an extern function.
        * function.c (current_function_name): New function.
        * graph.c: Update all uses of current_function_name.
        * gcse.c: Likewise.
        * config/alpha/alpha.c, config/avr/avr.c, config/c4x/c4x.c,
        config/mips/mips.c, config/pdp11/pdp11.c: Likewise.
        * config/ip2k/ip2k.c (function_prologue): Use MAIN_NAME_P
        instead of a strcmp with "main".

2004-01-13  Jan Hubicka  <jh@suse.cz>

        * c-decl.c (diagnose_mismatched_decls):  Fix warning calls.

        * cgraphunit.c (cgraph_optimize_function):  Always do
        optimize_inline_calls when there is always_inline callee.
        (cgraph_decide_inlining): Fix formating.
        * tree-inline.c (inlinable_function_p): Do sorry for alwaysinline
        functions.
        (expand_call_inline): Likewise.
        * toplev.h (sorry): Fix prototype.

2004-01-12  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (expand_builtin_expect_jump): Simplify logic. Handle
        conditional jumps that drop through to unconditional jumps or the
        end of the sequence.

2004-01-13  Jan Hubicka  <jh@suse.cz>

        * alias.c (new_alias_set): Construct the alias_set varray.
        (init_alias_once): Don't do it here.

2004-01-12  Marc Espie <espie@openbsd.org>

        * system.h: handle YYBYACC like YYBISON.

2004-01-12  Jonathan Merriman <jonm@dualitymedia.com>

        PR target/10847
        * config.gcc: No longer includes conflicting header sparc/sol2.h when
        building on sparc64-*-openbsd*.

2004-01-12  Andrew Pinski  <pinskia@physics.uc.edu>

        PR debug/13539
        * dbxout.c (dbxout_type): Protected inheritance is not
        private but protected.

2004-01-12  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_symbolic_constant_p): Revert last patch.

2004-01-12  Kazu Hirata  <kazu@cs.umass.edu>

        PR optimization/12508.
        * combine.c (try_combine): Remove a dead set in a parallel
        even if its destination is a subreg.

        Revert:
        2003-06-03  Kazu Hirata  <kazu@cs.umass.edu>
        * combine.c (simplify_set): Don't move a subreg in SET_SRC to
        SET_DEST if WORD_REGISTER_OPERATIONS is not defined.

2004-01-12  Geoffrey Keating  <geoffk@apple.com>

        * real.c: Update copyright date.
        * emit-rtl.c: Likewise.
        * rtl.h: Likewise.
        * dwarf2out.c: Likewise.
        * config/rs6000/darwin-ldouble.c: Likewise.
        * config/rs6000/rs6000.md: Likewise.

2004-01-12  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_init_libfuncs): Add AIX
        TFmode to SImode libfuncs.

2004-01-12  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/11397
        * varasm.c (assemble_alias): Remove weak aliases from weak_decls.

2004-01-12  Jan Hubicka  <jh@suse.cz>

        PR opt/12826
        * loop.c (insert_loop_mem): Preffer VOLATILE memory references to be
        stored.

        PR opt/12863
        * cfgcleanup.c (label_is_jump_target_p): Move to...
        * rtlanal.c (label_is_jump_target_p): ... here.
        * cfgrtl.c (cfg_layout_redirect_edge_and_branch):  Fix redirecting of fallthru
        edges unified with branch edges.

2004-01-12  Richard Earnshaw  <rearnsha@arm.com>

        * simplify-rtx.c (simplify_immed_subreg): Correctly extract the
        high word of an integral CONST_DOUBLE.

2004-01-12  Paul Brook  <paul@codesourcery.com>

        * simplify-rtx.c (simplify_plus_minus): Always generate canonical form.

2004-01-12  J"orn Rennecke <joern.rennecke@superh.com>

        PR target/13585
        * sh-protos.h (check_use_sfunc_addr): Declare.
        * sh.c (extract_sfunc_addr, check_use_sfunc_addr): New functions.
        * sh.md (use_sfunc_addr): Use check_use_sfunc_addr in insn predicate.

2004-01-12  Jan Hubicka  <jh@suse.cz>

        * alias.c:  Invlude varray.h
        (alias_sets): Turn into varray.
        (get_alias_set_entry): Use VARRAY; mark inline.
        (mems_in_disjoint_alias_sets_p): Mark inline.
        (record_alias_subset): Use varray.
        (init_alias_once): Initialize varray.
        (new_alias_set): Grow array.
        * varray.c: Make VARRAY_GENERIC_PTR non GTYized.

2004-01-12  Jan Hubicka  <jh@suse.cz>

        Partial fix for PR opt/10776 II
        * cselib.c: Include params.h
        (cselib_invalidate_mem):  Limit amount of nonconflicting memory
        locations.
        * params.def (PARAM_MAX_CSELIB_MEMORY_LOCATIONS): New.
        * Makefile.in (cselib.o): Depend on params.h

2004-01-12  Richard Sandiford  <rsandifo@redhat.com>

        * combine.c (combine_simplify_rtx): Don't pass VOIDmode to
        simplify_unary_operation if the operand has a known mode.

2004-01-12  Hartmut Penner  <hpenner@de.ibm.com>

        PR target/13534
        * gcc/config/rs6000/rs6000.c (word_offset_memref_operand): New
        predicate to handle 'ld' conform addresses.
        * gcc/config/rs6000/rs6000.h (EXTRA_CONSTRAINT): New 'Y'
        contraint.
        (EXTRA_MEMORY_CONSTRAINT): Tell reload which constraint
        are memory contraints.
        * gcc/config/rs6000/rs6000-protos.h (word_offset_memref_operand):
        New prototype.
        * gcc/config/rs6000/rs6000.md (*movdf_hardfloat64):
        Change 'o' to 'Y' constraint.
        (*movdf_softfloat64): Ditto.

2004-01-12  Bernardo Innocenti  <bernie@develer.com>

        * gcc/config/m68k/m68k.md: Switch from the "*..." syntax to the
        brace-enclosed syntax in all C output statements.

2004-01-12  David Edelsohn  <edelsohn@gnu.org>

        PR target/13401
        * config/rs6000/rs6000.c (rs6000_output_function_epilogue):
        Objective-C language type value is 14.

2004-01-12  Markus F.X.J. Oberhumer  <markus@oberhumer.com>

        PR c/12148
        * config/m68k/fpgnulib.c: Fix `-mshort' bugs: Use `long' instead of
        `int' in a number of places to make sure we always have a SImode
        and not a HImode.  Add a 'L' suffix to a number of constants.

2004-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c: Don't include obstack.h.

        * pa.md: Correct constraint in pattern for loading PIC label address.

2004-01-11  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/linux.h (ASM_PREFERRED_EH_DATA_FORMAT): Undefine
         before defining.

2004-01-11  Steven Bosscher  <stevenb@suse.de>

        PR fortran/9972
        * toplev.c (rest_of_handle_inline): Also consider functions
        for deferral if the language is GNU F77.

2004-01-11  Zack Weinberg  <zack@codesourcery.com>

        * c-decl.c (diagnose_arglist_conflict): Add missing space to
        diagnostic messages.

2004-01-11  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/13392
        * builtins.c (expand_builtin_expect_jump): Handle conditional jumps
        to drop through label.  Don't fall back to SCC even when conditional
        jump has not been found.

2004-01-11  Jan Hubicka  <jh@suse.cz>

        * invoke.texi: Fix syntax error in previous patch.

        Partial fix for PR opt/10776
        * Makefile.in (reload.o): Include param.h
        * params.def (PARAM_MAX_RELOAD_SEARCH_INSNS): New parameter.
        * reload.c: Include params.h.
        (find_equiv_reg): Work limiting check.
        * invoke.texi: Document.

2004-01-11  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_symbolic_constant_p): Don't allow
        out-of-bounds accesses to string constants.  Simplify mips16
        case accordingly.

2004-01-11  Richard Sandiford  <rsandifo@redhat.com>

        PR optimization/13469
        * toplev.c (rest_of_compilation): Call purge_all_dead_edges after
        reload_cse_regs (-fnon-call-exceptions only).

2004-01-11  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mcore/lib1.asm: Fix comment formatting.
        * config/mcore/mcore-elf.h: Likewise.
        * config/mcore/mcore.c: Likewise.
        * config/mcore/mcore.h: Likewise.
        * config/mcore/mcore.md: Likewise.

2004-01-10  Zack Weinberg  <zack@codesourcery.com>

        * c-decl.c (duplicate_decls): Break apart into...
        (diagnose_arglist_conflict, validate_proto_after_old_defn)
        (locate_old_defn, diagnose_mismatched_decls, merge_decls):
        ... these new functions.  Restructure for comprehensibility.
        Remove various archaic special cases.  Always report the
        location of the previous declaration when a diagnostic is issued.
        (redeclaration_error_message): Fold into diagnose_mismatched_decls.
        (match_builtin_function_types): Delete unnecessary forward declaration.

2004-01-10  Zack Weinberg  <zack@codesourcery.com>

        * genautomata.c (make_automaton, NDFA_to_DFA):
        Print progress bars with '.' characters instead of '*'.
        (build_automaton): Change notes to match.

2004-01-10  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m32r/m32r.md: Use define_constants for unspec and
        unspec_volatile.

2004-01-10  Jan Hubicka  <jh@suse.cz>

        PR opt/11635
        * expr.c (expand_expr_real):  More curefully expand union casts.

2004-01-10  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m32r/m32r.md (flush_icache): Use 1 for
        unspec_volatile.

2004-01-10  David Edelsohn  <edelsohn@gnu.org>
            James E Wilson  <wilson@specifixinc.com>

        PR debug/12860
        * dbxout.c (dbxout_symbol): Remove initialization of
        current_sym_code, current_sym_value, and current_sym_addr.
        (dbxout_symbol_location): Same.
        (dbxout_prepare_symbol): Zero current_sym_code,
        current_sym_value, and current_sym_addr.

2004-01-10  Richard Sandiford  <rsandifo@redhat.com>

        * tree.c (get_unwidened): Reorder conditions so that the null pointer
        check is done first.

2004-01-09  Eric Christopher  <echristo@redhat.com>

        * toplev.c (rest_of_handle_cfg): Add reg_scan pass
        if we're running mark_constant_function.

2004-01-09  Jeff Bailey  <jbailey@nisa.net>

        PR target/12561
        * config/t-gnu: Rename SYSTEM_HEADER_DIR to NATIVE_SYSTEM_HEADER_DIR.

2004-01-09  Andrew Pinski <pinskia@physics.uc.edu>

        PR debug/11231
        * dbxout.c (dbxout_type_fields): Return if any item is
        error_mark_node or the type is error_mark_node.

2004-01-09  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/darwin-ldouble.c: Add big comment explaining
        exactly what is expected as a 'long double'.
        (_xlqadd): When a value to be returned is representable as a
        'double', just return it directly, do not construct it using a union.
        Also, correct final fixup.
        (_xlqmul): Likewise.
        (_xlqdiv): Likewise.
        * real.c (encode_ibm_extended): Make consistent with darwin-ldouble.c.

        * config/rs6000/rs6000.md (fix_trunctfdi2): Delete.

2004-01-09  Richard Henderson  <rth@redhat.com>

        * recog.c (constrain_operands): Validate mem operands.

2004-01-09   James E Wilson  <wilson@specifixinc.com>

        * gcc.c (init_spec): Remove -lunwind from shared case.
        * conifg/ia64/t-hpux (SHLIB_LINK): Add -lunwind.

2004-01-09  Steve Ellcey  <sje@cup.hp.com>

        * configure.ac: (gcc_cv_ld_hidden) Set to true for ia64*-*-hpux*.
        * configure: Regenerate

2004-01-09  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/11234
        * c-typeck.c (build_c_cast): If pedantic, warn for conversions
        between function and object pointers.
        (digest_init): When comparing a pointer to function type to the
        target type, only apply TREE_TYPE once to the pointer to function
        type.
        * except.c (for_each_eh_label_1): Treat data as a pointer to a
        function pointer rather than casting it to a function pointer.
        (for_each_eh_label): Update caller.
        * recog.h (struct insn_data): Use a struct or union for output.
        * genoutput.c (output_insn_data): Update.
        * final.c (get_insn_template): Update.

2004-01-09  Mark Mitchell  <mark@codesourcery.com>

        * expr.h (expand_expr): Make it a macro, not a function.
        (expand_expr_real): New function.
        * expr.c (store_expr): Adjust logic for deciding whether or not to
        copy the value returned by expand_expr.
        (expand_expr): Rename to ...
        (expand_expr_real): ... this.  Add alt_rtl parameter.  Adjust
        calls to language hooks.
        * c-common.h (c_expand_expr): Adjust prototype.
        * c-common.c (c_expand_expr): Add alt_rtl parameter.
        * langhooks-def.h (lhd_expand_expr): Change prototype.
        * langhooks.c (lhd_expand_expr): Add all_rtl parameter.
        * langhooks.h (lang_hooks): Change type of expand_expr.
        * stmt.c (stmt_status): Add x_last_expr_alt_rtl.
        (last_expr_alt_rtl): Likewise.
        (expand_expr_stmt_value): Set last_expr_alt_rtl.
        (clear_last_expr): Clear it.
        (expand_end_stmt_expr): Set RTL_EXPR_ATL_RTL.
        (expand_end_bindings): Save and restor last_expr_alt_rtl.
        * tree.def (RTL_EXPR): Give it an additional operand.
        * tree.h (RTL_EXPR_ALT_RTL): New macro.

2004-01-09  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>

        * config/m32r/m32r.h (TARGET_CPU_CPP_BUILTINS): Add __m32r__.
        * config/m32r/m32r.c (call26_operand): Allow in PIC mode.

2004-01-09  Kazu Hirata  <kazu@cs.umass.edu>

        PR target/13380.
        * config/m32r/m32r.md: Replace (reg:SI 17) with (reg:CC 17)
        or (ne:SI (reg:CC 17) (const_int 0)).
        Be specific about modes wherever possible.

2004-01-09  Kazu Hirata  <kazu@cs.umass.edu>

        * config/m32r/m32r.c (m32r_expand_block_move): Call
        gen_movestrsi_internal with two more arguments.
        (m32r_output_block_move): Adjust operand numbers.
        Properly update the source and destination pointers.
        * config/m32r/m32r.md (movstrsi_internal): Use 'r' instead of
        'r+'.  Change the set detinations to match_operand.

2004-01-09  Kazu Hirata  <kazu@cs.umass.edu>

        * final.c (FIRST_INSN_ADDRESS): Remove.
        (shorten_branches): Don't use FIRST_INSN_ADDRESS.
        * system.h (FIRST_INSN_ADDRESS): Poison.
        * config/avr/avr.h: Remove a comment about FIRST_INSN_ADDRESS.
        * config/m32r/m32r-protos.h: Remove the prototype for
        m32r_first_insn_address.
        * config/m32r/m32r.c (m32r_first_insn_address): Remove.
        * config/m32r/m32r.h (FIRST_INSN_ADDRESS): Likewise.
        * doc/md.texi (FIRST_INSN_ADDRESS): Likewise.

2004-01-09  J. Brobecker  <brobecker@gnat.com>

        * dwarf2out.c (gen_enumeration_type_die): Return the DIE that
        we just created.
        (is_ada_subrange_type): DIEs for enumeration subtypes should be
        emitted as subrange types too.
        (subrange_type_die): Add handling of enumeration subtypes.

2004-01-08  Richard Henderson  <rth@redhat.com>

        PR opt/12441
        Revert: Sat Mar 30 14:08:55 CET 2002  Jan Hubicka  <jh@suse.cz>
        * i386.c (aligned_operand): Be prepared for SUBREGed registers.
        (ix86_decompose_address): Use REG_P instead of GET_CODE (...) == REG.
        (ix86_address_cost): Be prepared for SUBREGed registers.
        (legitimate_address_p): Accept SUBREGed registers.

2004-01-08  Kelley Cook  <kcook@gcc.gnu.org>

        * Makefile.in: Rename configure.in to configure.ac
        * doc/sourcebuild.texi: Likewise.
        * configure: Regenerate.
        * config.in: Regenerate.

2004-01-08  Stuart Hastings  <stuart@apple.com>

        * config/i386/i386.md: Typos in MMX/SSE immediate shifts.

2004-01-08  Jan Hubicka  <jh@suse.cz>

        * cgraphunit.c (cgraph_decide_inlining):  Fix typo.

2004-01-08  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/rs6000.md (cmptf_internal1): Correct branch offset.
        (UNSPEC_FIX_TRUNC_TF): New constant.
        (movtf_internal): Make splitter active only when insn is active.
        (extenddftf2): Rewrite to properly load zero into low part.
        (extenddftf2_internal): New.
        (extendsftf2): Rewrite.
        (truncdftf2): Correct length.
        (floatditf2): Delete.
        (fix_trunc_helper): New.
        (fix_trunctfdi2): Use fix_trunc_helper.
        (fix_trunctfsi2): Likewise.fix_trunc
        (fix_trunctfsi2_internal): New.

        * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): lo_sum
        addresses are legitimate on Darwin even when flag_pic.
        (rs6000_legitimize_reload_address) [TARGET_MACHO]: Don't create
        non-offsettable addresses for loads of TFmode constants.

2004-01-08  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>

        * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Actually emit
        variables in the appropriate bss section.

2004-01-09  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Ensure
        target_flags has MASK_POWERPC64 when -m64.
        * config/rs6000/rs6000.c (processor_target_table): Add MASK_POWERPC64
        to 620, 630, power3, power4 and rs64a entries.
        * config/rs6000/rs6000.h (MASK_64BIT): Expand comment.

2004-01-08  Richard Sandiford  <rsandifo@redhat.com>

        * simplify-rtx.c (simplify_immed_subreg): Fix construction of
        floating-point constants.

2004-01-08  J. Brobecker  <brobecker@gnat.com>

        * dwarf2out.c (subrange_type_die): Add context_die parameter.
        Create the subrange_type DIE using the given context DIE.
        (modified_type_die): Update call to subrange_type_die.

2004-01-08  Zack Weinberg  <zack@codesourcery.com>

        * dwarf2.h, unwind-dw2-fde.h, unwind-pe.h, unwind.h:
        Add multiple-include guard.

2004-01-08  Hartmut Penner  <hpenner@de.ibm.com>

        * gcc/config/rs6000/rs6000.c (easy_vector_constant): Accept
        all vector constant loadable by vsplt*.
        (output_vec_const_move): Likewise.

2004-01-07  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/6024
        * c-typeck.c (comptypes): Only treat enumerated types in the same
        translation unit as compatible with each other when they are the
        same type.
        * doc/extend.texi: Update.

2004-01-07  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/12165
        * c-decl.c (grokdeclarator): Take type qualifiers of typedefed
        array type from the array element type.

2004-01-07  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (rs6000_dbx_register_number): New function.
        * config/rs6000/rs6000-protos.h (rs6000_dbx_register_number): Declare.
        * config/rs6000/rs6000.h (DWARF_FRAME_REGNUM): Define.
        (DWARF_REG_TO_UNWIND_COLUMN): Correct column adjustment and comment.
        * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Define.

2004-01-06  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.h (MDEBUG_ASM_SPEC): Change for dwarf2 default.
        (DWARF2_DEBUGGING_INFO): Define.
        (PREFERRED_DEBUGGING_TYPE): Set to dwarf2.
        * config/mips/openbsd.h (PREFERRED_DEBUGGING_TYPE): Remove.
        * config/mips/iris6.h (SUBTARGET_ASM_DEBUGGING_SPEC): Only pass -g0
        for irix as.
        (SUBTARGET_ASM_OPTIMIZING_SPEC): Only pass O0 for irix as.
        * config/mips/iris6gas.h (MDEBUG_ASM_SPEC): Remove.
        * config/mips/iris5gas.h: Ditto.
        (DBX_DEBUGGING_INFO): Remove.
        (DWARF2_DEBUGGING_INFO): Ditto.
        (MIPS_DEBUGGING_INFO): Ditto.
        (PREFERRED_DEBUGGING_TYPE): Ditto.
        * config/mips/elf.h (DWARF2_DEBUGGING_INFO): Remove.
        (PREFERRED_DEBUGGING_TYPE): Ditto.
        (SUBTARGET_ASM_DEBUGGING_SPEC): Ditto.
        * config/mips/elf64.h: Ditto.

2004-01-06  Jan Hubicka  <jh@suse.cz>

        * Makefile.in (STAGEPROFILE_FLAGS_TO_PASS): Use -fprofile-generate.
        (STAGEFEEDBACK_FLAGS_TO_PASS): Use -fprofile-use.

2004-01-06  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Compile darwin-ldouble.c.
        (TARGET_LIBGCC2_CFLAGS): Use -mlong-double-128.
        * config/rs6000/darwin-ldouble.c: New.

        * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
        for constants.
        (constant_subword): Delete.
        * rtl.h (constant_subword): Delete prototype.
        (immed_double_const): Is not in varasm.c.
        * simplify-rtx.c (simplify_immed_subreg): New.
        (simplify_subreg): Use simplify_immed_subreg.

        * config/rs6000/rs6000.md (floatsitf2): Use expand_float rather
        than trying to generate RTL directly.
        (fix_trunctfsi2): Use expand_fix rather than trying to generate
        RTL directly.

        * dwarf2out.c (add_const_value_attribute): Remove incorrect comment.

2004-01-06  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/xcoff.h (EXTRA_SECTION_FUNCTIONS): Split each
        function into a separate macro.
        (read_only_data_section): Add void argument.
        (private_data_section): Same.
        (read_only_private_data_section): Same.
        (toc_section): Same.

2004-01-06  Jan Hubicka  <jh@suse.cz>

        * invoke.texi:  Remove typo in last change.

        PR target/10301
        * config.gcc: Accept opteron and athlon-64 as variants
        of k8.
        * i386.c (override_options): Likewise.
        * invoke.texi (i386 -mtune): Expand documentation.

2004-01-06  Kazu Hirata  <kazu@cs.umass.edu>

        * alias.c: Fix comment typos.
        * builtins.c: Likewise.
        * cfg.c: Likewise.
        * df.c: Likewise.
        * dominance.c: Likewise.
        * dwarf2out.c: Likewise.
        * emit-rtl.c: Likewise.
        * expr.c: Likewise.
        * final.c: Likewise.
        * fold-const.c: Likewise.
        * gcse.c: Likewise.
        * genattrtab.c: Likewise.
        * genrecog.c: Likewise.
        * gensupport.c: Likewise.
        * ggc-zone.c: Likewise.
        * integrate.c: Likewise.
        * local-alloc.c: Likewise.
        * loop.c: Likewise.
        * recog.c: Likewise.
        * regmove.c: Likewise.
        * reg-stack.c: Likewise.
        * reorg.c: Likewise.
        * rtlanal.c: Likewise.
        * rtl.h: Likewise.
        * sched-ebb.c: Likewise.
        * simplify-rtx.c: Likewise.
        * toplev.c: Likewise.
        * varasm.c: Likewise.

2004-01-06  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/install.texi: Fix typos.
        * doc/invoke.texi: Likewise.
        * doc/md.texi: Likewise.

2004-01-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>

        * config/m32r/m32r.h (TRAMPOLINE_LINE_SIZE): Changed

2004-01-06  Jan Hubicka  <jh@suse.cz>

        * i386.c (init_cumulative_args):  Add handling of MMX_REGPARM.
        (function_arg_advance):  Do not pass aggregates in SSE; deal handling
        of MMX_REGPARM.
        (function_arg): Add new warnings about ABI changes;  fix SSE_REGPARM;
        add MMX_REGPARM.
        * i386.h (ix86_args): Add mmx_words/mmx_regs/mmx_regno fields.
        (SSE_REGPARM_MAX): Default to 3 on i386 -msse ABI.
        (MMX_REGPARM_MAX): Similarly for -mmmx.

2004-01-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config/sh/linux.h: Fix comment formatting.
        * config/sh/netbsd-elf.h: Likewise.
        * config/sh/sh.c: Likewise.
        * config/sh/sh.h: Likewise.
        * config/sh/vxworks.h: Likewise.

2004-01-05  Kazu Hirata  <kazu@cs.umass.edu>

        * system.h (ASM_OUTPUT_MAIN_SOURCE_FILENAME): Poison.
        * toplev.c (output_file_directive): Don't use
        ASM_OUTPUT_MAIN_SOURCE_FILENAME.

2004-01-05  Steven Bosscher <s.bosscher@student.tudelft.nl>

        * toplev.c: Fix broken checkin of 2003-12-30.

2004-01-05  Daniel Berlin  <dberlin@dberlin.org>

        * ggc-zone.c: Remove everything in #ifdef USING_MALLOC_PAGE_GROUPS
        (USING_MMAP): We don't support non-mmap.
        (struct alloc_chunk): Steal 1 bit from typecode, use it to mark
        large objects.
        (struct page_entry): Remove bytes_free.
        (struct page_table_chain): Remove.
        (struct globals): Remove page_table member.
        (loookup_page_table_entry): Function deleted.
        (set_page_table_entry): Ditto.
        (ggc_allocated_p): No longer need page table lookups.
        (ggc_marked_p): Ditto.
        (alloc_small_page): Don't care about bytes_free anymore.
        (alloc_large_page): Round up size.
        (ggc_alloc_zone_1): Mark large objects as such, and calculate
        their size the new way.
        Remove page table lookups and setting.
        (ggc_get_size): Calculate large object size the new way.
        (sweep_pages): Redo to account for fact that we no longer have
        bytes_free.
        (ggc_collect): No longer need to reincrement bytes_free.
        (ggc_pch_alloc_object): Handle new large objects properly.
        (ggc_pch_read): Put PCH stuff into it's own uncollected zone.

2004-01-05  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/invoke.texi: Remove a page break.

2004-01-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config/avr/avr.c (avr_output_function_prologue): Remove an
        extra pair of curly braces.

2004-01-05  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mn10300/mn10300.c: Fix comment formatting.
        * config/mn10300/mn10300.h: Likewise.

2004-01-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree.h: Update documentation on nothrow_flag.
        * print-tree.c (print_node): Print TREE_NOTHROW as "align-ok" for
        types.

2004-01-05  Kazu Hirata  <kazu@cs.umass.edu>

        * doc/invoke.texi: Remove traces of dead ports.

2004-01-05  Richard Sandiford  <rsandifo@redhat.com>

        * doc/invoke.texi: Add documentation for the MIPS -mexplicit-relocs
        option.

2004-01-05  Richard Sandiford  <rsandifo@redhat.com>

        PR target/12945
        * coverage.c (coverage_counter_alloc): Set SYMBOL_FLAG_LOCAL for
        counter labels.
        * config/mips/mips.c (INTERNAL_SYMBOL_P): Delete.
        (mips_classify_symbol): Always treat SYMBOL_REF_FLAG as indicating
        string constants if TARGET_MIPS16.  Use SYMBOL_REF_DECL to check
        the binding of decl symbols, otherwise check SYMBOL_REF_LOCAL_P.
        (mips_symbol_insns): Don't trust the local/global classification.
        (m16_usym8_4, m16_usym5_4): Same mips16 change as mips_classify_symbol.
        (override_options): Make -mabicalls -fno-unit-at-a-time imply
        -mno-explicit-relocs.
        (mips_encode_section_info): Don't use SYMBOL_REF_FLAG to distinguish
        between local and global symbols.

2004-01-05  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips-protos.h (mips_dangerous_for_la25_p): Declare.
        (mips_preferred_reload_class): Declare.
        * config/mips/mips.h (DANGEROUS_FOR_LA25_P): Replace with function.
        (EXTRA_CONSTRAINT): Update accordingly.
        (PREFERRED_RELOAD_CLASS): Use mips_preferred_reload_class.
        * config/mips/mips.c (mips_dangerous_for_la25_p): New function.
        (mips_preferred_reload_class): New function.  Prefer LEA_REGS if
        mips_dangerous_for_la25_p.
        (mips_secondary_reload_class): Use LEA_REGS rather than GR_REGS
        if mips_dangerous_for_la25_p.

2004-01-05  Bernardo Innocenti  <bernie@develer.com>

        * config/m68k/m68k.c (output_andsi3): Fix signed/unsigned comparison
        warning.

2004-01-04  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure.ac: Use AC_PROG_CPP_WERROR.
        * configure: Regenerate.

2004-01-04  Zack Weinberg  <zack@codesourcery.com>

        * .cvsignore: Add autom4te.cache.

2004-01-04  Richard Sandiford  <rsandifo@redhat.com>

        * doc/invoke.texi: Revamp documentation of MIPS options.  Remove
        -mabi=meabi, -mabi-fake-default, -mmips-as, -mgas, -mmips-tfile,
        -m4650, -mfix7000 and -(m)no-crt0.  Put endianness options first,
        then architecture options, then ABI options.  General rewording.

2004-01-04  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/3414
        * doc/extend.texi: Clarify definition of malloc attribute.

2004-01-04  Jan Hubicka  <jh@suse.cz>

        * Makefile.in (cgraph.o, cgraphunit.o): Add intl.h dependency.
        * cgraph.c (create_edge, dump_cgraph): Update to use inline_failed
        * cgraph.h (cgraph_edge): Replace inline_call by inline_failed
        (cgraph_inline_p): Add extra argument reason.
        * cgraphunit.c: Minor formating fixes.
        cgraph_first_inlined_callee): New functions.
        (record_call_1): Record builtins too.
        (cgraph_analyze_function): Update inline_failed messages.
        (cgraph_mark_functions_to_output, cgraph_expand_function, cgraph_inlined_into,
        cgraph_inlined_callees, cgraph_estimate_growth): Update to use inline_failed.
        (cgraph_check_inline_limits): Likewise; Add argument reason.
        (cgraph_set_inline_failed): New static function.
        (cgraph_decide_inlining_of_small_function, cgraph_decide_inlining): Set
        reasons.
        (cgraph_inline_p): Add new argument reason.
        * tree-inline.c (expand_call_inline):  Update warning.

2004-01-03  Nathanael Nerode  <neroden@gcc.gnu.org>

        * configure.ac: Replace AC_INIT, AC_OUTPUT, AC_CANONICAL_SYSTEM
        with modern equivalents.
        * configure: Regenerate.

        * configure.ac: Replace gcc_AC_CHECK_TYPE with AC_CHECK_TYPE.
        * aclocal.m4 (gcc_AC_CHECK_TYPE): Remove.
        * configure: Regenerate.

        * doc/install.texi: Note that 'gcc' is now a 2.57 directory.

        * configure.in: Rename to configure.ac.
        * configure.ac: Renamed from configure.in; make minimum necessary
        changes for autoconf 2.5x.
        * aclocal.m4: Make minimum necessary changes for autoconf 2.5x.
        * configure: Regenerate with autoconf 2.57.

2004-01-03  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mips/linux.h: Fix comment formatting.
        * config/mips/mips.c: Likewise.
        * config/mips/mips.h: Likewise.
        * config/mips/mips.md: Likewise.
        * config/mips/netbsd.h: Likewise.
        * config/mips/windiss.h: Likewise.

2004-01-02  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.md (fp constant pool splitter): Reorg suppression
        for sse and 387; add suppression for mmx.

2004-01-02  Andrew Pinski  <pinskia@physics.uc.edu>

        * loop.c (loop_optimize): Free all loops_info's mems.

        * c-typeck.c (finish_init): Free spelling_base before
        setting it again.

        * cfgloop.c (flow_loops_find): Always free the sbitmap
        headers.

        * predict.c (estimate_probability): Free bbs after being
        done with it.

2004-01-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/mn10300/mn10300.h (PREDICATE_CODES): Add
        const_8bit_operand and call_address_operand.

2004-01-02  Jan Hubicka  <jh@suse.cz>

        * cgraphunit.c (cgraph_optimize_function):  Call optimize_inline_calls
        when there is nothing to inline but warnings are requested.
        (cgraph_decide_inlining):  Fix memory leak.

2004-01-02  Jan Hubicka  <jh@suse.cz>

        * expr.c (store_constructor):  Fix pasto in previous patch.

2004-01-02  Kazu Hirata  <kazu@cs.umass.edu>

        * config/i386/cygming.h: Fix comment formatting.
        * config/i386/djgpp.h: Likewise.
        * config/i386/gthr-win32.c: Likewise.
        * config/i386/i386-interix.h: Likewise.
        * config/i386/i386.c: Likewise.
        * config/i386/i386.h: Likewise.
        * config/i386/openbsd.h: Likewise.
        * config/i386/winnt.c: Likewise.
        * config/i386/xm-mingw32.h: Likewise.

2004-01-02  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/gcc.texi, doc/invoke.texi, doc/install.texi: Update
        copyright and last modification dates.

2004-01-02  Andreas Jaeger  <aj@suse.de>, Gerald Pfeifer  <gp@suse.de>

        * doc/install.texi (Specific): Mention x86_64.

2004-01-01  Hans-Peter Nilsson  <hp@bitrange.com>

        * builtins.c (expand_builtin_apply_args_1) [STACK_GROWS_DOWNWARD]:
        Call force_operand on plus_constant result.

2004-01-01  Jan Hubicka  <jh@suse.cz>

        * expmed.c (store_bit_field, extract_bit_field): Use new named patterns
        * expr.c (store_constructor): Use vec_init pattern.
        * genopinit.c (optabs): Initailize vec_set/vec_extract/vec_init.
        * optabs.h (optab_index): ADD OTI_vec_set/OTI_vec_extract/OTI_vec_init
        (vec_set_optab, vec_extract_optab, vec_init_optab): New.
        * i386.md (vec_setv2df, vec_extractv2df, vec_setv4sf, vec_extractv4sf):
        New patterns.
        (sse2_unpc?pd): Fix pattern.
        (sse2_movlpd): Kill.
        (sse2_movsd): Deal with movlpd too.
        * i386.c (ix86_expand_builtin): Use sse2_movsd instead of sse2_movlpd.
        (ix86_expand_vector_init): New.
        * emmintrin.h (__mm_set_pd, __mm_set_ps): Use vector extensions.
        * md.texi (vec_set, vec_extract): Document

2003-12-31  Jan Hubicka  <jh@suse.cz>

        PR opt/13473
        * recog.c (validate_replace_rtx_1):  Take care for RTL sharing inside
        ASM input operands

        PR opt/12617
        * toplev.c (dump_file_index): Reorder ce3 and bbro.
        (dump_file): Likewise.
        (rest_of_compilation): Likewise.

        PR debug/13367
        * cgraph.c (cgraph_function_possibly_inlined):  Even with
        flag_really_no_inline we inline always_inline functions.
        * cgraphunit.c (cgraph_analyze_function): Clear inlinable flag
        for non-always_inline functions when there is flag_really_no_inline.
        (cgraph_decide_inlining): Limit work done when not inlining.
        (cgraph_decide_inlining_incrementally): Likewise.
        (cgraph_optimize_function): Check whether something got inlined.
        * c-objc-common.c (c_disregard_inline_limits): Do not always inline
        extern inline functions when not inlining.

        * opts.c (decode_options):  Disable crossjumping at -O1
        * invoke.texi (-O1): Document change.

See ChangeLog.10 for earlier changes.