* tree.h (enum tls_model): Move ...

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

2004-07-28  Zack Weinberg  <zack@codesourcery.com>

        * tree.h (enum tls_model): Move ...
        * coretypes.h: ... here.

2004-07-28  Richard Sandiford <rsandifo@redhat.com>

        * config/frv/frv.h (EPILOGUE_USES): New.  Use LR.

2004-07-28  Richard Sandiford  <rsandifo@redhat.com>

        * cse.c (validate_canon_reg): New function, split out from...
        (canon_reg): ...here.  Use validate_canon_reg for both 'e' and 'E'.

2004-07-28  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-alias.c (maybe_create_global_var): Don't just
        return if .GLOBAL_VAR has been created.

2004-07-28  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa.c (verify_flow_insensitive_alias_info): Process
        every variable that may have aliases, not just tags.

2004-07-28  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md ("move_from_CR_gt_bit"): Rename to
        move_from_CR_eq_bit.
        Rename UNSPEC_MV_CR_GT to UNSPEC_MV_CR_EQ.


        * config/rs6000/spe.md ("e500_flip_gt_bit"): Rename to
        e500_flip_eq_bit.

        * config/rs6000/rs6000-protos.h: Rename output_e500_flip_gt_bit to
        output_e500_flip_eq_bit.

        * config/rs6000/rs6000.c (output_e500_flip_gt_bit): Rename to
        output_e500_flip_eq_bit.
        (rs6000_emit_sCOND): Rename call to output_e500_flip_gt_bit to
        output_e500_flip_eq_bit.
        Rename gen_move_from_CR_gt_bit to gen_move_from_CR_eq_bit.
        (print_operand): case D.  Get to EQ bit.

2004-07-28  Richard Sandiford  <rsandifo@redhat.com>

        * gcov.c (function_summary): Add missing \n.

2004-07-28  Alexandre Oliva  <aoliva@redhat.com>

        Introduce sh4a support.
        * config.gcc: Handle sh4a multilibs and cpu selection.
        * config/sh/sh.h: Likewise.  Handle sh4a command line flags.
        * config/sh/t-mlib-sh4a: New.
        * config/sh/t-mlib-sh4al: New.
        * config/sh/t-mlib-sh4a-nofpu: New.
        * config/sh/t-mlib-sh4a-single: New.
        * config/sh/t-mlib-sh4a-single-only: New.
        2004-02-20  DJ Delorie  <dj@redhat.com>
        * config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
        * config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
        2003-08-22  Eric Christopher  <echristo@redhat.com>
        * config/sh/sh4a.md: Update for chip errata.
        2003-08-07  Eric Christopher  <echristo@redhat.com>
        * config/sh/sh4a.md: New file. sh4a processor description.
        2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
        of -m4a-nofpu.
        (SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
        * config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
        * doc/invoke.texi (SH Options): Document -m4al.
        2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.c (expand_block_move): Remove commented-out code
        checked in by mistake.
        (sh_cannot_change_mode_class): Enable SUBREGs to be used to select
        single elements from SFmode vectors.
        * config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
        register.
        (sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
        2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
        sh_fsca_int2sf): Remove variable declarations.
        * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
        sh_fsca_int2sf): New functions.
        (sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
        sh_fsca_int2sf_rtx): New static variables.
        * config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
        sh_fsca_int2sf): Declare.
        * config/sh/sh.md: Adjust.
        * doc/invoke.texi (SH Options): Document new options.
        * config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
        compatibility from SH4 code.
        2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.c (expand_block_move): Don't emit POST_INC too
        early.
        (memory_movsrc_operand): Renamed to...
        (unaligned_load_operand): ... this.  Simplified.
        * config/sh/sh.h (PREDICATE_CODES): Adjust.
        * config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
        input operand to SImode, and adjust the others.  Introduce
        post-increment by peephole.
        * config/sh/sh.c (expand_block_move): Give the target address the
        same mode as the temp reg.
        * config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
        copying.
        2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
        Introduce support for SH4a.
        * config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
        __SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
        * config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
        sh_fsca_int2sf): New.
        (sh_init_builtins): Initialize them.
        (print_operand): Support `d'.
        (expand_block_move): Use movua if src is misaligned.
        (memory_movsrc_operand): New.
        * config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
        and one of the SH4 macros.
        (SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
        SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
        SELECT_SH4A_SINGLE): New.
        (TARGET_NONE): Add SH4A_BIT.
        (TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
        (SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
        (sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
        (OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
        (enum processor_type): Added PROCESSOR_SH4A.
        (PREDICATE_CODES): Add memory_movsrc_operand.
        * config/sh/sh.md: Removed unused variables.
        (attr cpu): Add sh4a.
        (attr type): Add movua, fsrra and fsca.
        (prefetch): New, for SH4.
        (ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
        (toggle_sz): Set type to fp.
        (toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
        (movua, extv, extzv): New.
        * config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
        and 4a-single-only.

2004-07-28  Diego Novillo  <dnovillo@redhat.com>

        * tree-optimize.c (init_tree_optimization_passes): Schedule
        pass_may_alias right after the program is renamed into SSA.
        * tree-pass.h (PROP_alias): Define.
        * tree-outof-ssa.c (pass_del_ssa): Require PROP_alias.
        * tree-sra.c (pass_sra): Likewise.
        * tree-ssa-ccp.c (pass_ccp): Likewise.
        * tree-ssa-copyrename.c (pass_rename_ssa_ccp): Likewise.
        * tree-ssa-dce.c (pass_dce): Likewise.
        * tree-ssa-dom.c (pass_dominator): Likewise.
        * tree-ssa-dse.c (pass_dse): Likewise.
        * tree-ssa-forwprop.c (pass_forwprop): Likewise.
        * tree-ssa-loop-ch.c (pass_ch): Likewise.
        * tree-ssa-phiopt.c (pass_phiopt): Likewise.
        * tree-ssa-pre.c (pass_pre): Likewise.
        * tree-tailcall.c (pass_tail_recursion): Likewise.
        * tree-ssa.c (pass_redundant_phi): Likewise.
        * tree-ssa-alias.c (aliases_computed_p): Remove.
        Update all users.
        (init_alias_info): Do not mark all type tags for renaming
        unconditionally.
        Clear may_aliases from every symbol.
        (setup_pointers_and_addressables): If a pointer has not been
        dereferenced and it had a type tag, clear it and mark the old
        tag for renaming.

2004-07-28  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/16705
        * tree-ssa-alias.c (create_global_var): Set DECL_EXTERNAL on
        .GLOBAL_VAR.

2004-07-27  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * expr.c (expand_expr_real_1, case PARM_DECL): Remove obsolete error
        check.

        * gimplify.c (maybe_with_size_expr): If already have WITH_SIZE_EXPR,
        don't make another one.

        PR optimization/15077
        * function.h (struct function): Add field saved_static_chain_decl.
        Fix comment for static_chain_decl.
        * tree-inline.c (save_body): Add new arg and handle static_chain_decl.
        * tree-inline.h (save_body): Add new arg.
        * tree-optimize.c (tree_rest_of_compilation): Handle saving
        static_chain_decl.

2004-07-27  Richard Henderson  <rth@redhat.com>

        * gimplify.c (is_gimple_addr_expr_arg_or_indirect): Remove.
        (gimplify_modify_expr, gimplify_addr_expr, gimplify_expr): Use
        is_gimple_addressable.
        * tree-gimple.c (is_gimple_addressable): Rename from
        is_gimple_addr_expr_arg; accept INDIRECT_REF.
        (is_gimple_lvalue): Don't test INDIRECT_REF directly.
        * tree-gimple.h, tree-sra.c, tree-ssa-loop-im.c: Update for
        rename to is_gimple_addressable.

2004-07-28  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (function_arg_padding): Pad SFmode upwards.

2004-07-27  Richard Henderson  <rth@redhat.com>

        * function.c (assign_stack_local_1): Widen alignment to HOST_WIDE_INT
        before rounding.

2004-07-27  Zack Weinberg  <zack@codesourcery.com>

        * libgcc2.c: Change all conditionals testing
        LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96 to == 80.
        * libgcc2.h: Likewise.
        * config/i386/i386.c (ix86_init_mmx_sse_builtins): Set
        TYPE_PRECISION of float80_type to 80.
        * config/ia64/ia64.c (ia64_init_builtins): Set TYPE_PRECISION
        of fpreg_type and float80_type to 80.
        * config/i386/i386.h, config/ia64/ia64.h, config/m68k/m68k.h
        * config/m68k/netbsd-elf.h:
        Change LONG_DOUBLE_TYPE_SIZE and possibly LIBGCC2_LONG_DOUBLE_TYPE_SIZE
        to evaluate to 80 whenever they would formerly have evaluated to 96.
        * config/i386/sco5.h: Remove unnecessary redefinition of
        LONG_DOUBLE_TYPE_SIZE.
        * doc/rtl.texi: Clarify uses of XFmode and TFmode.
        * config/i386/i386-modes.def: Use FRACTIONAL_FLOAT_MODE for
        XFmode, with a bitsize of 80.  Update commentary.
        * config/ia64/ia64-modes.def: Likewise.
        * config/m68k/m68k-modes.def: Likewise.

2004-07-27  Steven Bosscher  <stevenb@suse.de>

        * cfgexpand.c (tree_expand_cfg): Fix comment.

        * calls.c (expand_call): Ignore rtx_equal_function_value_matters.
        * function.c (purge_single_hard_subreg_set, purge_hard_subreg_sets):
        Remove.
        (prepare_function_start): Don't set rtx_equal_function_value_matters.
        * integrate.c (copy_rtx_and_substitute): Don't test for it.
        * passes.c (rest_of_compilation): Don't call purge_hard_subreg_sets.
        Don't set rtx_equal_function_value_matters.  Don't register RTL hooks
        here again.  Update leading comment.
        * rtl.c (rtx_equal_function_value_matters): Remove.
        (rtx_equal_p): Don't test for it.
        * simplify-rtx.c (simplify_binary_operation, simplify_subreg):
        Likewise.

        * rtl.h (enum insn_note): Remove NOTE_INSN_LOOP_END_TOP_COND.
        * rtl.c (note_insn_name): Likewise.
        * emit-rtl.c (remove_unnecessary_notes): Don't handle it.
        * final.c (final_scan_insn): Likewise.

        * except.c (finish_eh_generation): Don't call cfg_cleanup from here.
        * passes.c (rest_of_handle_eh): Do it here.

        * stmt.c (struct nesting): Remove struct nesting block member.
        (struct stmt_status): Remove x_block_start_count field.
        (current_block_start_count): Remove.

2004-07-27  Brian Booth  <bbooth@redhat.com>

        * tree-optimize.c (register_one_dump_file): Update condition that uses
        static_pass_number.
        (dup_pass_1): Replace with...
        (next_pass_1): This.
        (NEXT_PASS): Call next_pass_1.
        (DUP_PASS): Remove.
        (init_tree_optimization_passes): Remove uses of DUP_PASS.
        (execute_one_pass): Update condition that uses
        static_pass_number.
        * tree-pass.h (tree_opt_pass): Declare static_pass_number as a signed
        integer.

2004-07-27  Nick Clifton  <nickc@redhat.com>

        * config/m32r/m32r.c: Include integrate.h in order to get the
        prototype for get_hard_reg_initial_val().

        * config/m32r/m32r.md (m32rpipeline): Remove unused value "m32r"
        and tidy up indentation.
        (final_presence_set): Use absence_set instead, so that if there is
        nothing in the "o" pipe the "s" pipe can be scheduled.

2004-07-27  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-alias.c (create_name_tags): Ignore pointers that
        don't have PT_VARS nor PT_MALLOC set.
        Clear name tag from pointers that have not been dereferenced.
        (set_pt_anything, set_pt_malloc): Forward declare.
        * tree-ssa-copy.c (may_propagate_copy): Compare alias sets,
        not type compatibility when determining if a pointer can be
        copy propagated.

2004-07-27  Richard Sandiford  <rsandifo@redhat.com>

        * expr.h (canonicalize_condition, get_condition): Add an int argument.
        * gcse.c (fis_get_condition): Reimplement using get_condition, leaving
        it to check whether the condition is still valid at the jump insn.
        * ifcvt.c (noce_get_condition): Likewise.
        (noce_get_alt_condition): Update call to canonicalize_condition.
        * loop-iv.c (simplify_using_initial_values): Update call to
        get_condition.  Remove FIXME.
        (check_simple_exit): Update call to get_condition.
        * loop-unswitch.c (may_unswitch_on): Likewise.
        * loop.c (check_dbra_loop): Likewise.
        (canonicalize_condition, get_condition): Add an argument to say whether
        the condition must still be valid at INSN.
        (get_condition_for_loop): Update call to get_condition.  Require that
        the condition be valid at INSN.
        * predict.c (estimate_probability): Update call to get_condition.
        Remove unused earliest parameter.
        (expected_value_to_br_prob): Update call to canonicalize_condition.

2004-07-26  Eric Christopher  <echristo@redhat.com>

        * tree-dfa.c (add_referenced_var): Register initializers of global
        variables.

2004-07-26  Paolo Bonzini  <bonzini@gnu.org>

        * config/i386/i386.c (function_arg): Always treat 8-
        and 16-byte wide vectors the same, even if MMX/SSE
        are disabled.
        (contains_128bit_aligned_vector_p): Add comment.

2004-07-26  J"orn Rennecke <joern.rennecke@superh.com>

        * ra.h (enum node_type): Rename to:
        (enum ra_node_type).
        * ra-colorize.c: Likewise.

2004-07-26  Richard Sandiford  <rsandifo@redhat.com>

        * cfgcleanup.c (try_simplify_condjump): Call update_forwarder_flag
        after simplifying the jump.

2004-06-26  Richard Henderson  <rth@redhat.com>

        * calls.c (combine_pending_stack_adjustment_and_call): Make
        preferred_unit_stack_boundary argument unsigned.  Make
        unadjusted_alignment unsigned.
        (expand_call): Make preferred_stack_boundary and
        preferred_unit_stack_boundary variables unsigned.
        * function.c (assign_stack_local_1): Make alignment unsigned.
        * function.h (struct function): Make stack_alignment_needed,
        preferred_stack_boundary unsigned.
        * config/i386/i386.c (ix86_preferred_stack_boundary): Make unsigned.
        (ix86_compute_frame_layout): Make stack_alignment_needed,
        preferred_alignment variables unsigned.
        * config/i386/i386.h (ix86_preferred_stack_boundary): Make unsigned.

2004-07-26  Tom Tromey  <tromey@redhat.com>

        * tree.h: Fix typo in comment.

2004-07-26  Daniel Jacobowitz  <dan@debian.org>

        PR bootstrap/12804
        * ggc-zone.c (struct alloc_chunk): Remove attribute packed.
        (MAX_FREE_BIN_SIZE): Increase on 64-bit targets.
        (ggc_free): Remove incorrect freeing.
        (sweep_pages): Advance PP for large pages.  Fix indentation.

2004-07-26  Richard Sandiford  <rsandifo@redhat.com>

        PR rtl-optimization/16643
        * cfglayout.h (cfg_layout_initialize): Add a flags parameter.
        * cfglayout.c (cfg_layout_initialize): Pass it to cleanup_cfg.
        * basic-block.h (reorder_basic_blocks): Add a flags parameter.
        * cfglayout.c (reorder_basic_blocks): Pass it to cfg_layout_initialize.
        (partition_hot_cold_basic_blocks): Pass 0 to cfg_layout_initialize.
        * function.c (thread_prologue_and_epilogue_insns): Likewise.
        * rtl.h (tracer): Add a flags parameter.
        * tracer.c (tracer): Pass it to cfg_layout_initialise.
        * passes.c (rest_of_handle_stack_regs): Pass 0 to reorder_basic_blocks.
        (rest_of_handle_reorder_blocks): Update calls to tracer and
        reorder_basic_blocks, passing CLEANUP_UPDATE_LIFE if appropriate.
        (rest_of_handle_tracer): Pass 0 to tracer.
        (rest_of_handle_loop2): Pass 0 to cfg_layout_initialize.

2004-07-25  David Edelsohn  <edelsohn@gnu.org>

        PR target/16239
        * config/rs6000/rs6000.md (movdi_internal64): Further disparage
        f->f.

2004-07-24  Nathan Sidwell  <nathan@codesourcery.com>

        * tree.h (BINFO_BASE_ACCESSES): Accesses are a VEC(tree).
        (BINFO_BASE_ACCESS): Adjust.
        (BINFO_BASE_ACCESS_APPEND): New.
        (struct tree_binfo): Make base_accesses a VEC(tree) pointer.
        * dbxout.c (dbxout_type): Adjust binfo access accessing.
        * dwarf2out.c (gen_member_die): Likewise.
        * tree-dump.c (deque_and_dump): Likewise.

2004-07-26  Falk Hueffner  <falk@debian.org>

        * config/alpha/alpha.c (alpha_rtx_cost_data): Tweak int_div
        costs.

2004-07-25  Roger Sayle  <roger@eyesopen.com>

        * config/i386/i386.c (output_fp_compare): Use ffreep to pop top
        value off of the stack if TARGET_USE_FFREEP.

2004-07-26  Bernardo Innocenti  <bernie@develer.com>

        * gengtype.c (oprintf): Replace xrealloc () with XRESIZEVEC ().
        * gengtype-yacc.y: Likewise.  Replace free() with XDELETE ().
        * c-typeck.c (PUSH_SPELLING): Remove redundant NULL-pointer
        check on invocation of XRESIZEVEC ().

2004-07-26  Bernardo Innocenti  <bernie@develer.com>

        * c-common.c (disable_builtin_function): Rename variable n to
        new_disabled_builtin.
        * c-decl.c (duplicate_decls): Rename parameter decl to new_decl.
        Rename local variable old to old_decl.
        * gensupport.c (shift_output_template): Rename parameter old to src.
        * simplify-rtx.c (simplify_replace_rtx): Rename parameter oldx to
        old_rtx and newx to new_rtx.

2004-07-26  Bernardo Innocenti  <bernie@develer.com>

        * Makefile.in (C_PRAGMA_H): New variable to track dependencies
        of c-pragma.h.
        * c-pragma.h (c_lex, c_lex_with_flags): Change returntype to
        enum cpp_ttype.
        * c-lex.c: Likewise.

2004-07-25  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (constant_boolean_node): Make extern.
        (make_range): Wrap long lines.
        (fold_cond_expr_with_comparison): Remove unnecessary call to
        pedantic_non_lvalue.  Add missing calls to fold_convert.
        (fold_truthop): Add missing calls to fold_convert.
        (fold): Likewise.
        * tree.h (constant_boolean_node): Add prototype here.
        * builtins.c (expand_builtin_strncmp): Add missing calls to
        fold_convert.
        * tree-ssa-dom.c (record_equivalences_from_incoming_edge):
        Call fold_convert and constant_boolean_node to correct types.
        * tree-ssa-forwprop.c (substitute_single_use_vars): Add
        missing call to fold_convert to correct types.

2004-07-26  Niall Douglas  <s_fsfeurope2@nedprod.com>
            Brian Ryner  <bryner@brianryner.com>

        PR c++/9283
        PR c++/15000
        * c-common.c (c_common_attribute_table): Allow
        handle_visibility_attribute to be called for types.
        (handle_visibility_attribute) When given a type, set the visibility
        bits on the TYPE_NAME.  When given a decl, don't set no_add_attrs
        so that we can check later whether the attribute was present. Added
        warning if attribute applied to non class type.
        * c-decl.c (diagnose_mismatched_decls): Updated rules for merging
        decls and checking that they are consistent.
        * common.opt: Added -fvisibility.
        * c.opt, c-opts.c: Added -fvisibility-inlines-hidden.
        * c-pragma.h, c-pragma.c: Added handle_pragma_visibility().
        * flags.h, tree.h: Added assorted support defines for overall patch
        * opts.c: Added parsing support for -fvisibility.
        * tree.c (build_decl): Set visibility for all decls to be whatever
        is in force at that time.
        * varasm.c (default_binds_local_p_1): Reworked logic determining
        when to make a symbol locally bound.
        * doc/invoke.texi: Added documentation for -fvisibility and
        -fvisibility-inlines-hidden.

2004-07-25  Bernardo Innocenti  <bernie@develer.com>

        * basic-block.h (reorder_block_def): Rename to reorder_block_def_p.
        * c-common.c: Add missing casts from void * to other types.
        * c-decl.c: Likewise.
        * c-format.c: Likewise.
        * c-lex.c: Likewise.
        * c-pragma.c: Likewise.
        * c-typeck.c: Likewise.
        * defaults.h: Likewise.
        * genconstants.c: Likewise.
        * gengtype-lex.l: Likewise.
        * genmodes.c: Likewise.
        * read-rtl.c: Likewise.
        * rtl.c: Likewise.

2004-07-25  Bernardo Innocenti  <bernie@develer.com>

        * bitmap.c: Use type-safe memory allocation macros from libiberty.
        * c-common.c: Likewise.
        * c-decl.c: Likewise.
        * c-lang.c: Likewise.
        * c-lex.c: Likewise.
        * c-opts.c: Likewise.
        * c-parse.in: Likewise.
        * c-typeck.c: Likewise.
        * genconditions.c: Likewise.
        * gengtype-lex.l: Likewise.
        * gengtype-yacc.y: Likewise.
        * gengtype.c: Likewise.
        * genmodes.c: Likewise.
        * gensupport.c: Likewise.
        * read-rtl.c: Likewise.
        * read-rtl.c (read_constants): Use INSERT instead of TRUE in call to
        htab_find_slot().

2004-07-25  Bernardo Innocenti  <bernie@develer.com>

        * c-decl.c (groktypename, groktypename_in_param_context): Rename
        variable typename to type_name.
        * c-lex.c (interpret_float): Likewise.

2004-07-25  Roger Sayle  <roger@eyesopen.com>

        * convert.c (convert_to_real, convert_to_integer,
        convert_to_complex): Replace calls to build with calls to buildN.
        * coverage.c (tree_coverage_counter_ref): Likewise.
        * dojump.c (do_jump): Likewise.
        * dwarf2out.c (loc_descriptor_from_tree): Likewise.
        * emit-rtl.c (component_ref_for_mem_expr,
        set_mem_attributes_minus_bitpos): Likewise.
        * explow.c (update_nonlocal_goto_save_area): Likewise.
        * expmed.c (expand_shift, make_tree, const_mult_add_overflow_p,
        expand_mult_add): Likewise.
        * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall,
        store_constructor, get_inner_reference, expand_expr_real_1,
        try_casesi, try_tablejump): Likewise.
        * function.c (expand_function_start): Likewise.
        * stmt.c (emit_case_bit_tests, expand_end_case_type,
        node_has_low_bound, node_has_high_bound, emit_case_nodes): Likewise.
        * stor-layout.c (place_union_field, layout_type): Likewise.
        * tree.c (substitute_in_expr, tree_fold_gcd): Likewise.
        * varasm.c (copy_constant): Likewise.

2004-07-25  Bernardo Innocenti  <bernie@develer.com>

        * c-common.c: Rename all identifiers named `new'.
        * c-decl.c: Likewise.
        * gensupport.c: Likewise.
        * simplify-rtx.c: Likewise.
        * c-common.c (disable_builtin_function): Replace a call to xmalloc()
        with XNEW().
        * gensupport.c (alter_output_for_insn): Replace two calls to xmalloc()
        with XNEWVEC().

2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/15360
        * c-decl.c (start_decl): Do not set DECL_EXTERNAL for initialized
        declarations until after calling pushdecl.
        (grokdeclarator): Set DECL_EXTERNAL for variables based on use of
        "extern" and not on whether the declaration is initialized.

2004-07-25  Daniel Jacobowitz  <dan@debian.org>

        * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
        (sparc-*-solaris2*): Include sol2.o and sol2-protos.h.
        * config/sol2-c.c: Include "tm.h", "tm_p.h", "toplev.h",
        "cpplib.h", "c-pragma.h", "c-common.h".
        (solaris_pragma_align, solaris_pragma_init, solaris_pragma_fini)
        (solaris_register_pragmas): New functions.
        * config/sol2-protos.h: New file.
        * config/sol2.c: New file.
        * config/sol2.h (SOLARIS_ATTRIBUTE_TABLE, ASM_DECLARE_FUNCTION_SIZE)
        (REGISTER_TARGET_PRAGMAS): New macros.
        (solaris_pending_aligns, solaris_pending_inits)
        (solaris_pending_finis): New variables.
        * config/t-sol2 (sol2-c.o): Update dependencies.
        (sol2.o): New rule.
        * config/i386/i386.c (TARGET_INSERT_ATTRIBUTES): Define in terms of
        SUBTARGET_INSERT_ATTRIBUTES.
        (ix86_attribute_table): Include SUBTARGET_ATTRIBUTE_TABLE.
        * config/i386/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
        (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
        * config/sparc/elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
        * config/sparc/sp64-elf.h (ASM_DECLARE_FUNCTION_SIZE): Redefine.
        * config/sparc/sol2.h (SUBTARGET_INSERT_ATTRIBUTES)
        (SUBTARGET_ATTRIBUTE_TABLE, ASM_OUTPUT_CALL): Define.
        * config/sparc/sparc.c (sparc_attribute_table): New.
        (TARGET_INSERT_ATTRIBUTES): Define in terms of
        SUBTARGET_INSERT_ATTRIBUTES.
        (TARGET_ATTRIBUTE_TABLE): Define if SUBTARGET_ATTRIBUTE_TABLE
        is defined.
        * doc/extend.texi (Solaris Pragmas): New section.

2004-07-25  Bernardo Innocenti  <bernie@develer.com>

        * c-common.c: Rename all identifiers named `class' to `cl'.
        * c-common.h: Likewise.
        * c-parse.in: Likewise.
        * c-typeck.c: Likewise.
        * genmodes.c: Likewise.
        * real.c: Likewise.
        * real.h: Likewise.
        * recog.c: Likewise.
        * recog.h: Likewise.
        * regrename.c: Likewise.
        * tree.h: Likewise.
        * c-common.c (builtin_function_2): Change type of 5th parameter from
        int to enum built_in_function. Change type of 8th parameter from int
        to bool.
        * c-decl (builtin_function): Replace call to ggc_alloc_cleared ()
        with GGC_CNEW().
        * c-typeck.c (convert_arguments): Change type of formal_prec from
        int to unsigned int.
        * genmodes.c (blank_mode): Make a few negative constants unsigned.
        (complete_all_modes, calc_wider_mode, emit_insn_modes_h,
        emit_mode_name, emit_mode_class, emit_mode_precision, emit_mode_size,
        emit_mode_nunits, emit_mode_wider, emit_mode_mask, emit_mode_inner,
        emit_mode_base_align, emit_class_narrowest_mode): Pass an integer
        iterator to for_all_modes () instead of an enum because enums can't
        be incremented in C++.


2004-07-25  Daniel Jacobowitz  <dan@debian.org>

        * regmove.c (optimize_reg_copy_1): Don't try to replace call-used
        hard registers.

2004-07-25  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree-ssa-operands.c (get_stmt_operands, get_expr_operands):
        Handle ARRAY_RANGE_REF like ARRAY_REF.

2004-07-25  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-typeck.c (digest_init): Don't allow arrays of signed or
        unsigned variants of wchar_t to be initialized by wide string
        constants.  Do allow arrays of enumerated types compatible with
        wchar_t to be initialized by wide string constants.  Refine tests
        distinguishing wide and narrow strings and arrays.  Give specific
        error for arrays of other integer types initialized by string
        constants.
        (output_init_element, process_init_element): Check for
        INTEGRAL_TYPE_P rather than just for INTEGER_TYPE when
        initializing with string constants.

2004-07-25  Richard Henderson  <rth@redhat.com>

        * c-decl.c (start_function): Set DECL_ARTIFICIAL and DECL_IGNORED_P
        on the RESULT_DECL.
        * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
        * integrate.c (copy_decl_for_inlining): Copy DECL_ARTIFICIAL and
        DECL_IGNORED_P to new decl.

2004-07-24  Zack Weinberg  <zack@codesourcery.com>

        * config/ia64/ia64.c (general_xfmode_operand)
        (destination_xfmode_operand): Delete.
        * config/ia64/ia64.h (PREDICATE_CODES): Remove them.
        * config/ia64/ia64.md (*movxf_internal): Use general_operand
        and destination_operand.

2004-07-24  Alexander Kabaev  <kan@freebsd.org>

        * config/ia64/ia64.h (SUBTARGET_EXTRA_SPECS): Default to nothing.
        (EXTRA_SPECS): Use SUBTARGET_EXTRA_SPECS.

2004-07-24  Alexander Kabaev  <kan@freebsd.org>
            Zack Weinberg  <zack@codesourcery.com

        PR 16684
        * c-decl.c (diagnose_mismatched_decls): Don't issue a
        redundant-declaration warning the first time a builtin is
        declared explicitly.

2004-07-25  Bernardo Innocenti  <bernie@develer.com>

        * tree.h (staticp): Change return type to bool.

2004-07-25  Bernardo Innocenti  <bernie@develer.com>

        * c-common.c (c_staticp): Last episode of the staticp saga.

2004-07-25  Bernardo Innocenti  <bernie@develer.com>

        * c-common.h (c_staticp): Change return type from int to bool.
        * tree.c (staticp): Likewise.
        * langhooks.h (staticp): Likewise.

2004-07-25  Bernardo Innocenti  <bernie@develer.com>

        * langhooks-def.h (lhd_staticp): Change return type from int to
        bool in prototype to match definition.

2004-07-25  Bernardo Innocenti  <bernie@develer.com>

        * system.h (bool, true, false): Don't redefine as preprocessor macros
        in C++.

2004-07-24  Roger Sayle  <roger@eyesopen.com>

        * expmed.c (init_expmed): A signed modulus by a power of two is
        considered cheap if its less than or equal to four instructions.

2004-07-25  Bernardo Innocenti  <bernie@develer.com>

        * ggc.h (GGC_NEW, GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR,
        GGC_CNEWVAR): New macros.

2004-07-25  Bernardo Innocenti  <bernie@develer.com>

        * c-common.c: Convert ATTRIBUTE_UNUSED to ARG_UNUSED in parameter
        lists.
        * c-decl.c: Likewise.
        * c-format.c: Likewise.
        * c-lex.c: Likewise.
        * c-opts.c: Likewise.
        * c-pragma.c: Likewise.
        * c-typeck.c: Likewise.
        * gencheck.c: Likewise.
        * genconditions.c: Likewise.
        * genconfig.c: Likewise.
        * genflags.c: Likewise.
        * gengtype.c: Likewise.
        * gensupport.c: Likewise.
        * ggc-none.c: Likewise.
        * langhooks.c: Likewise.
        * statistics.h: Likewise.
        * stub-objc.c: Likewise.
        * java/decl.c: Likewise.

2004-07-24  Roman Zippel  <zippel@linux-m68k.org>

        * config/m68k/m68k.c (output_scc_di): Fix coding style.
        (symbolic_operand): Fix prototype.
        * config/m68k/m68k.h (PREDICATE_CODES): Add symbolic_operand.
        * config/m68k/m68k.md: Add constants for registers a0 and sp and
        use them, change from the "{...}" syntax to the simpler {...}
        syntax.
        (*cfv4_extendqisi2): Fix destination predicate.
        * config/m68k/m68k-protos.h: Remove various declarations also
        generated via PREDICATE_CODES.

2004-07-23  Mike Stump  <mrs@apple.com>

        * c-typeck.c (convert_for_assignment): Tightened up pointer
        converstions that differ in signedness.

2004-07-23  Zack Weinberg  <zack@codesourcery.com>

        * genmodes.c (make_vector_modes): Mark with ATTRIBUTE_UNUSED.

2004-07-23  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree.def (VIEW_CONVERT_EXPR): Change to class 'r'.
        * tree-ssa-operands.c (get_expr_operands, case VIEW_CONVERT_EXPR): New.

        * gimplify.c (gimplify_compound_lval): Check for no handled
        operations, rather than checking for explicit list of nodes.
        (is_gimple_addr_expr_arg_or_indirect): New function.
        (gimplify_addr_expr): Call it and handle INDIRECT_REF; remove
        redundant setting of TREE_INVARIANT.
        (gimplify_expr, case VIEW_CONVERT_EXPR): Call gimplify_compound_lval.
        * tree-gimple.c (is_gimple_addr_expr_arg): Call handled_component_p.

2004-07-23  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/16688
        PR tree-optimization/16689
        * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
        unnecessary initialization of 'tag'.
        (get_tmt_for): Check that the new type tag has the same alias
        set as the pointed-to type.
        (group_aliases): Only regular variables need to be removed
        from the alias set of a name tag.
        * tree-ssa-copy.c (may_propagate_copy): Do not allow copy
        propagation if the two types are not compatible.
        (merge_alias_info): Rename from replace_ssa_names_ann.
        Add more checking.
        (replace_exp_1): If both arguments are SSA_NAMEs, check that
        the propagation can be done.
        Only call merge_alias_info on pointers.
        (propagate_value): Likewise.
        * tree-ssa-copyrename.c: Include langhooks.h.
        (copy_rename_partition_coalesce): Call replace_ssa_name_symbol
        to do the merging.
        Do not coalesce variables with incompatible types.
        (rename_ssa_copies): Call replace_ssa_name_symbol.
        * tree-ssa.c (verify_ssa_name): Verify that the SSA_NAME has
        the same type as the underlying _DECL.
        * tree-ssanames.c (replace_ssa_name_symbol): New function.
        * tree.h (replace_ssa_name_symbol): Declare.

2004-07-23  Richard Henderson  <rth@redhat.com>

        PR c++/16277
        * gimplify.c (gimplify_cond_expr): Gimplify TARGET to a min_lval;
        unshare it properly.
        (gimplify_modify_expr_rhs): Push assignment from a conditional into
        the conditional for all non-register types.

2004-07-23  Richard Henderson  <rth@redhat.com>

        * expr.c (expand_expr_real_1): Don't handle non-local variables.
        * expr.h (fix_lexical_addr): Remove.
        * function.c (NEED_SEPARATE_AP): Remove.
        (fix_lexical_addr): Remove.
        * tree-alias-common.c (get_alias_var_decl): Check TREE_STATIC,
        not null decl_function_context.
        (create_alias_vars): Likewise.
        * tree-cfg.c (make_ctrl_stmt_edges): Don't check for non-local labels.
        (simple_goto_p): Likewise.
        * tree-dfa.c (add_referenced_var): Don't check for non-local variables.
        * tree-ssa-ccp.c (get_default_value): Likewise.
        * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
        * tree.c (needs_to_live_in_memory): Likewise.
        * tree-flow-inline.h (may_be_aliased): Move...
        * tree-ssa-alias.c (may_be_aliased): ... here.  Enhance check for
        when TREE_STATIC variables may be addressable.

2004-07-24  Jakub Jelinek  <jakub@redhat.com>

        * Makefile.in (site.exp): Add HOSTCC and HOSTCFLAGS to site.exp.

2004-07-23  Zack Weinberg  <zack@codesourcery.com>

        * print-rtl.c (print_rtx <case 'b'>): Don't attempt to print
        bitmap contents if GENERATOR_FILE is defined.
        * Makefile.in (BUILD_RTL): Remove $(BUILD_PREFIX)bitmap.o.
        ($(BUILD_PREFIX_1)bitmap.o): Delete rule.

2004-07-23  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-decl.c (start_function): Form composite type of function types
        rather than copying type from previous prototype declaration.

2004-07-23  Janis Johnson  <janis187@us.ibm.com>

        * config/rs6000/altivec.h (vec_lvewx, vec_lvehx, vec_lvwbx): Remove
        the const qualifier for the second argument in the C++ functions.

        * config/rs6000/altivec.h (vec_stvewx, vec_stvehx, vec_stvebx): Use
        specific pointer types.

        * config/rs6000/altivec.h (vec_vadduwm): (vec_vadduwm, vec_vadduhm,
        vec_vaddubm, vec_vsubuwm, vec_vsubuhm, vec_vsububm): Fix types used
        for vector bool and/or vector pixel, add C++ and C missing support.
        (vec_vaddsws, vec_vaddshs, vec_vaddsbs, vec_vmaxsw, vec_vmaxsh,
        vec_vmaxsb, vec_vmrghw, vec_vmrghh, vec_vmrghb, vec_vmrglw, vec_vmrglh,
        vec_vmrglb, vec_vminsw, vec_vminsh, vec_vminsb, vec_vpkuwum,
        vec_vpkuhum, vec_vspltw, vec_vsplth, vec_vspltb, vec_vsubsws,
        vec_vsubshs, vec_vsubsbs, vec_vupklsh, vec_vupkhsh, vec_vupklsb): Add
        missing C++ and C support for vector bool and/or vector pixel.
        (vec_vadduws, vec_vadduhs, vec_vaddubs, vec_vcmpeqfp, vec_vcmpequw,
        vec_vcmpequh, vec_vcmpequb, vec_vcmpgtfp, vec_vcmpgtsw, vec_vcmpgtuw,
        vec_vcmpgtsh, vec_vcmpgtuh, vec_vcmpgtsb, vec_vcmpgtub, vec_vmaxuw,
        vec_vmaxuh, vec_vmaxub, vec_vminuw, vec_vminuh, vec_vminub,
        vec_vsubuws, vec_vsubuhs, vec_vsububs, vec_vupkhpx, vec_vupklpx): Fix
        C++ and C types used for vector bool and/or vector pixel.
        (vec_st, vec_stl): Add C++ support for vector pixel.
        (vec_unpackh, vec_unpackl, vec_any_ge): Fix C++ support for vector bool.
        (vec_all_ne): Add C++ support for vector pixel.

        * config/rs6000/altivec.h (vec_vcmpgtsh): Fix C++ function name.
        (vec_vmulesb): Add missing C++ function.
        (vec_perm): Fix type of third argument in C++ function.
        (vec_vsum4shs): Fix C++ function name.
        (vec_any_ge): Remove C++ functions for unsupported arg combinations.
        (vec_vcmpgtsw, vec_vcmpgtuw, vec_minsb, vec_vmsummbm): Fix the
        argument passed to the error handler in C macro.
        (vec_nmsub): Remove extra parens around argument names in C macro.
        (vec_packpx): Add missing parens in C macro.

2004-07-22  Paolo Bonzini  <bonzini@gnu.org>

        * machmode.def: Remove vector modes.
        * config/alpha/alpha-modes.def: Add supported vector modes.
        * config/arm/arm-modes.def: Likewise.
        * config/frv/frv-modes.def: Likewise.
        * config/i386/i386-modes.def: Likewise.
        * config/rs6000/rs6000-modes.def: Likewise.
        * config/sh/sh-modes.def: Likewise.

2004-07-23  Matthias Klose  <doko@debian.org>

        * intl.c (gcc_init_libintl): Use PACKAGE for the text domain.
        * configure.ac: Add AC_DEFINE_UNQUOTED for PACKAGE.
        * config.h: Regenerate.
        * configure: Likewise.

2004-07-22  Mark Mitchell  <mark@codesourcery.com>

        * dwarf2out.c (output_call_frame_info): Set SYMBOL_FLAG_LOCAL on
        generated SYMBOL_REFs for labels.
        * config/darwin-protos.h (machopic_validate_stub_or_non_lazy_ptr):
        Change prototype.
        (machopic_stub_name): Remove.
        (machopic_indirection_name): New function.
        (machopic_mcount_stub_name): Likewise.
        (machopic_classify_name): Remove.
        (machopic_function_base_sym): New function.
        (machpoic_classify_symbol): Likewise.
        (machopic_classify_ident): Remove.
        (machopic_define_ident): Likewise.
        (machopic_define_name): Likewise.
        (machopic_name_defined_p): Likewise.
        (machopic_ident_defined_p): Likewise.
        (darwin_strip_name_encoding): Likewise.
        (machopic_define_symbol): New function.
        * config/darwin.c (hashtab.h): Include.
        (machopic_defined_list): Remove.
        (machopic_classify_ident): Likewise.
        (machopic_classify_name): Likewise.
        (machopic_ident_defined_p): Likewise.
        (machopic_define_ident): Likewise.
        (machopic_define_name): Likewise.
        (machopic_symbol_defined_p): New function.
        (machopic_classify_symbol): Likewise.
        (machopic_data_defined_p): Use machopic_classify_symbol.
        (machopic_define_symbol): New function.
        (machopic_function_base_sym): New function.
        (machopic_non_lazy_pointers): Remove.
        (machopic_non_lazy_ptr_name): Likewise.
        (machopic_stubs): Likewise.
        (machopic_stub_name): Likewise.
        (NON_LAZY_POINTER_SUFFIX): New macro.
        (STUB_SUFFIX): Likewise.
        (machopic_indirection): New structure.
        (machopic_indirections): New variable.
        (machopic_indirection_hash): New function.
        (machopic_indirection_eq): Likewise.
        (machopic_indirection_name): Likewise.
        (machopic_mcount_stub_name): New function.
        (machopic_validate_stub_or_non_lazy_pointer): Reimplement to use
        hash table.
        (machopic_indirect_data_reference): Rework to use new functions.
        (machopic_indirect_call_target): Likewise.
        (machopic_legitimize_pic_address): Likewise.
        (machopic_output_indirection): New function.
        (machopic_finish): Use it.
        (machopic_operand_p): Rework to use new functions.
        (darwin_encode_seciton_info): Use SYMBOL_REF_FLAGS.
        (darwin_strip_name_encoding): Remove.
        (update_non_lazy_ptrs): Remove.
        (update_stubs): Likewise.
        (darwin_non_lazy_pcrel): Use new functions.
        * config/darwin.h (ASM_DECLARE_OBJECT_NAME): Likewise.
        (ASM_OUTPUT_LABELREF): Likewise.
        (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
        (MACHO_SYMBOL_FLAG_VARIABLE): New macro.
        (MACHO_SYMBOL_FLAG_DEFINED): Likewise.
        (TARGET_STRIP_NAME_ENCODING): Do not use
        darwin_strip_name_encoding.
        (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Do not use
        darwin_strip_name_encoding.
        * config/i386/darwin.h (FUNCTION_PROFILER): Use
        machopic_mcount_stub_name.
        * config/i386/i386.c (x86_output_mi_thunk): Use
        machopic_indirection_name, not machopic_stub_name.
        * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Use
        machopic_function_base_sym.
        (print_operand): Use machopic_classify_symbol.
        (rs6000_emit_prologue): Use machopic_function_base_sym.
        (output_profile_hook): Do not use machopic_stub_name.
        (macho_branch_isalnds): Do not use darwin_strip_name_encoding.

2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/7284
        * fold-const.c (extract_muldiv_1): Do not treat signed left shift
        as multiplication.

2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/implement-c.texi: New file.
        * doc/extend.texi (C Implementation): Move to there.
        * doc/gcc.texi: Include implement-c.texi.
        * Makefile.in (TEXI_GCC_FILES): Add implement-c.texi.

2004-07-22  Jason Merrill  <jason@redhat.com>

        * integrate.c (copy_decl_for_inlining): Remove invisible reference
        handling.
        * tree-inline.c (setup_one_parameter): Likewise.

2004-07-22  Brian Booth  <bbooth@redhat.com>

        * tree-ssa-ccp.c (latticevalue): Add UNKNOWN_VAL.
        (substitute_and_fold): Propigate into VUSE operands when possible.
        (visit_phi_node): Handle UNKNOWN_VAL latticevalue.
        (cp_lattice_meet): Handle merging of latticevalues when
        UNKNOWN_VAL is present.
        (visit_stmt): Visit assignments with V_MUST_DEFs.
        (visit_assignment): Gather ccp information for V_MUST_DEF operands.
        (ccp_fold): Deal with RHS' that are constant and virtual.
        (evaluate_stmt): Handle UNKNOWN_VAL likely values.
        (dump_lattice_value): Dump UNKNOWN_VAL latticevalues.
        (initialize): Mark statements with V_MUST_DEFs as VARYING only if the
        V_MUST_DEF operand is VARYING. Fix comment and include VOPS when
        computing immediate uses.
        (set_lattice_value): Disallow a UNKNOWN_VAL->UNDEFINED state
        transition.
        (replace_vuse_in): New function.
        (likely_value): Add check of vuse operands.
        (get_default_value): Set the default value of virtually defined
        variables to UKNOWN_VAL instead of VARYING.

2004-07-22  Richard Henderson  <rth@redhat.com>

        * expr.c (emit_push_insn): Don't use set_mem_attributes.

2004-07-22  Richard Henderson  <rth@redhat.com>

        * tree-ssa-live.c (create_ssa_var_map): Avoid defined-but-not-used
        variables due to conditional compilation.

2004-07-22  Diego Novillo  <dnovillo@redhat.com>

        * tree-into-ssa.c (set_livein_block): Fix typo in comment.
        (rewrite_ssa_into_ssa): Start iterating over SSA names at 1.
        Release SSA names that have been re-renamed.
        * tree-phinodes.c (make_phi_node): Set same TREE_TYPE as the
        variable.
        * tree-ssa-alias.c (init_alias_info): If aliases have been
        computed before, clear existing alias information.
        (create_name_tags): Do no fixup PT_ANYTHING pointers.
        If the new name tag for a pointer is different than the one it
        had before, mark the old tag for renaming.
        (replace_may_alias): New function.
        (group_aliases): Call it.
        (setup_pointers_and_addressables): Always call get_tmt_for.
        (maybe_create_global_var): Don't create .GLOBAL_VAR more than
        once.
        (set_pt_anything): New local function.
        (set_pt_malloc): New local function.
        (merge_pointed_to_info): Don't merge pointed-to variables from
        the original pointer if the destination is pointing to an
        unknown location.
        (add_pointed_to_expr): Call set_pt_anything and set_pt_malloc.
        (add_pointed_to_var): Do not add a variable to the points-to
        set if the pointer is already pointing to anywhere.
        (collect_points_to_info_r): If the defining statement is a PHI
        node, only merge pointed-to information if the argument has
        already been visited.
        (get_tmt_for): Only create a new tag if the pointer didn't
        have one already.
        (dump_alias_info): Emit more information.
        (dump_points_to_info_for): Likewise.
        * tree-ssa-dom.c (redirect_edges_and_update_ssa_graph): Don't
        try to get the annotation of an SSA_NAME.
        * tree-ssa-operands.c (add_stmt_operand): Only check for empty
        alias sets when checking is enabled.
        * tree-ssa-pre.c (need_eh_cleanup): New local variable.
        (eliminate): Mark basic blocks that will need
        EH information cleaned up.
        (init_pre): Split ENTRY_BLOCK->0 if block 0 has more than one
        predecessor.
        Initialize need_eh_cleanup.
        (fini_pre): Call tree_purge_all_dead_eh_edges and
        cleanup_tree_cfg if needed.
        Free need_eh_cleanup.
        * tree-ssa.c (verify_ssa_name): New function.
        (verify_def): Call it.
        Re-arrange to avoid printing too many error messages.
        (verify_use): Likewise.
        (verify_phi_args): Likewise.
        (verify_flow_insensitive_alias_info): New function.
        (verify_flow_sensitive_alias_info): New function.
        (verify_alias_info): New function.
        (verify_ssa): Call verify_alias_info.
        Clear TREE_VISITED on all the SSA_NAMEs before scanning the
        program.
        Re-arrange to avoid printing too many error messages.
        * tree-ssanames.c (make_ssa_name): Clear
        SSA_NAME_IN_FREE_LIST.
        (release_ssa_name): Never release a default definition.
        (release_defs): New function.
        * tree.h: Declare it.
        * tree-ssa-dce.c (remove_dead_stmt): Call it.

2004-07-22  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa.c (walk_use_def_chains_1): Add new argument IS_DFS.
        If true, do a depth-first search.  Do a breadht-first search,
        otherwise.
        (walk_use_def_chains): Add new argument IS_DFS.
        Update all users.
        * tree-flow.h (walk_use_def_chains): Update prototype.

2004-07-22  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.md: Tweak formatting.
        (asrandb, asrandw, lsrandb, lsrandw, moversideqi, movemsideqi)
        (mover2side, moverside, movemside, movei, op3, andu): Replace
        live define_peephole:s with define_peephole2 near-equivalents.
        Delete the rest.
        ("*mov_sidesisf_biap"): Rename from "*mov_sidesi_biap".  Match all
        word-size modes.
        ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
        Similar for "*mov_sidesi", "*mov_sidesi_biap_mem" and
        "*mov_sidesi_mem" respectively.

2004-07-22  Paolo Bonzini  <bonzini@gnu.org>

        * tree-cfg.c (gimplify_val): Move from tree-complex.c.
        (gimplify_build1): Move from tree-complex.c do_unop.
        (gimplify_build2): Move from tree-complex.c do_binop.
        (gimplify_build3): New.
        * tree-complex.c (gimplify_val, do_unop, do_binop): Remove.
        Adjust throughout to call the functions above.
        * tree-flow.h: Declare the functions above.
        * tree-nested.c (gimplify_val): Rename to...
        (tsi_gimplify_val): ... this.

        * Makefile.in (tree_complex.o): Update dependencies.
        (stor-layout.o): Depend on regs.h.
        * c-common.c (handle_vector_size_attribute): Update for
        vector types without corresponding vector modes.
        * expr.c (expand_expr): Treat VECTOR_CST's like CONSTRUCTORS if
        a corresponding vector mode is not available.
        * print-tree.c (print_node): Print nunits for vector types
        * regclass.c (have_regs_of_mode): New.
        (init_reg_sets_1): Initialize it and use it instead
        of allocatable_regs_of_mode.
        * regs.h (have_regs_of_mode): Declare it.
        * stor-layout.c (layout_type): Pick a mode for vector types.
        * tree-complex.c (build_word_mode_vector_type, tree_vec_extract,
        build_replicated_const, do_unop, do_binop, do_plus_minus,
        do_negate, expand_vector_piecewise, expand_vector_parallel,
        expand_vector_addition, expand_vector_operations_1,
        expand_vector_operations, tree_lower_operations,
        pass_lower_vector_ssa, pass_pre_expand): New.
        (expand_complex_operations, pass_lower_complex): Remove.
        * tree-optimize.c (init_tree_optimization_passes): Adjust
        pass ordering for changes in tree-complex.c.
        * tree-pass.h: Declare new passes.
        * tree.c (finish_vector_type): Remove.
        (make_vector_type): New.
        (build_vector_type_for_mode, build_vector_type): Rewritten.
        * tree.def (VECTOR_TYPE): Document where the number of
        subparts is stored.
        * tree.h (TYPE_VECTOR_SUBPARTS): Use TYPE_PRECISION field.
        (make_vector): Remove declaration.

2004-07-21  Richard Henderson  <rth@redhat.com>

        * gimple-low.c (expand_var_p): Don't look at TREE_ADDRESSABLE,
        TREE_THIS_VOLATILE, may_aliases, or optimization level.
        (remove_useless_vars): Dump debugging info.
        (expand_used_vars): Move ...
        * cfgexpand.c (expand_used_vars): ... here.  Make static.
        * tree-flow-inline.h (set_is_used): New.
        (set_default_def): Use get_var_ann.
        * tree-flow.h: Update decls.
        * tree-ssa-live.c (mark_all_vars_used_1, mark_all_vars_used): New.
        (create_ssa_var_map): Use it.
        * tree-ssa.c (set_is_used): Remove.

2004-07-22  Ben Elliston  <bje@au.ibm.com>

        * gdbinit.in: Set a breakpoint on internal_error.

2004-07-21  Richard Henderson  <rth@redhat.com>

        * cfgexpand.c (expand_gimple_tailcall): Fix case where we need
        to create a new basic block.

2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/15052
        * c-decl.c (grokdeclarator): Only pedwarn for qualified void
        return type on function definitions.  Move other warnings for
        qualified return type to -Wreturn-type.  Do not condition any such
        warnings on -pedantic.  Update comments.
        (start_function): Only copy function type from previous prototype
        declaration if return types are compatible.
        * c-typeck.c (function_types_compatible_p): Don't condition
        warning for incompatibility of volatile qualifiers on the return
        type on -pedantic.  Update comment.
        * doc/invoke.texi (-Wreturn-type, -Wextra): Update.

2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-typeck.c (set_init_index): Require designator to be of integer
        type.

2004-07-22  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/11250
        * c-parse.in (init): Change to exprtype.
        (primary): Set original_code for STRING to STRING_CST.
        Call maybe_warn_string_init for compound literals.
        (initdcl, notype_initdcl): Call maybe_warn_string_init.
        (initval): Update.
        * c-tree.h (maybe_warn_string_init): New.
        (pop_init_level, process_init_element): Use struct c_expr.
        (struct c_expr): Update comment.
        * c-typeck.c (maybe_warn_string_init): New function.
        (digest_init): Call it.  Additional parameter strict_string.  All
        callers changed.
        (output_init_element): Likewise.
        (struct constructor_stack): Use struct c_expr for
        replacement_value.
        (really_start_incremental_init, push_init_level): Update.
        (pop_init_level): Update.  Return struct c_expr.
        (process_init_level): Update.  Take struct c_expr argument.

2004-07-21  David S. Miller  <davem@nuts.davemloft.net>

        * config/sparc/sparc.c (sparc_rtx_costs): Fix typo in previous
        commit.

2004-07-21  Eric Christopher  <echristo@redhat.com>

        * builtins.c (expand_builtin_setjmp_receiver): Fix comment for code
        removal.
        * c-decl.c (pop_scope): Ditto.
        * calls.c (expand_call): Remove call to current_nesting_level,
        update comment accordingly. Remove calls to expand_start_target_temps
        and expand_end_target_temps.
        * cfgexpand.c (construct_init_block): Remove call to
        expand_start_bindings_and_block.
        (construct_exit_block): Remove call to expand_end_bindings.
        * expr.c (safe_from_p): Remove BIND_EXPR handling.
        (expand_expr_real_1): Ditto. Fix formatting.
        (expand_vars): Delete.
        * stmt.c (POPSTACK): Remove block_stack.
        (stmt_status): Remove x_block_stack.
        (block_stack): Delete.
        (expand_start_bindings_and_block): Ditto.
        (expand_start_target_temps): Ditto.
        (expand_end_target_temps): Ditto.
        (current_nesting_level): Ditto.
        (warn_about_unused_variables): Ditto.
        (expand_end_bindings): Ditto.
        * tree.h: Remove declarations for above.

2004-07-21  Steven Bosscher  <stevenb@suse.de>

        * rtl.h (insn_note): Remove NOTE_INSN_PREDICTION.
        * rtl.c (note_insn_name): Likewise.
        * print-rtl.c (print_rtx): Don't print it.
        * cfgrtl.h (can_delete_note_p): Don't handle it.
        (rtl_delete_block): Likewise.
        * passes.c (rest_of_handle_guess_branch_prob): Remove.
        (rest_of_compilation): Don't call it.
        * predict.c (process_note_predictions, process_note_prediction,
        note_prediction_to_br_prob): Remove.
        * basic-block.c (note_prediction_to_br_prob): Remove prototype.
        * stmt.c (return_prediction): Remove.
        (expand_value_return): Don't call it.  Don't add prediction
        notes for return statements.

2004-07-21  Josef Zlomek  <zlomekj@suse.cz>

        * var-tracking.c (vt_find_locations): Set the in_pending bitmap at
        once.

2004-07-21  Paolo Bonzini  <bonzini@gnu.org>

        * c-common.c (vector_types_convertible_p): Use vector types'
        TYPE_SIZE and TREE_TYPE instead of their mode.
        * convert.c (convert_to_integer): Likewise.
        (convert_to_vector): Likewise.
        * fold-const.c (fold_convert): Likewise.
        * varasm.c (output_constant): Likewise.
        * expr.c (store_constructor): Split ARRAY_TYPE and VECTOR_TYPE.
        Allow a VECTOR_TYPE initializer to be made of several vectors.
        For ARRAY_TYPEs and VECTOR_TYPES, simplify a bit the handling
        of cleared and need_to_clear, and use fold_convert.
        * c-typeck.c (build_binary_op): Do not use RDIV_EXPR for
        integer vectors.

2004-07-20  Richard Henderson  <rth@redhat.com>

        * cfgexpand.c (expand_gimple_cond_expr, expand_gimple_tailcall): Split,
        (expand_gimple_basic_block): out from here.  Renamed from expand_block.

2004-07-20  David S. Miller  <davem@nuts.davemloft.net>

        * config/sparc/sparc.c (sparc_rtx_costs case MULT): Emit
        enormous cost if not TARGET_HARD_MUL.

2004-07-20  Andrew Pinski  <apinski@apple.com>

        PR target/16557
        * config/i386/darwin.h (CC1_SPEC): Move the -g SPECs from ...
        (ASM_SPEC): here.

2004-07-21  Paul brook  <paul@codesourcery.com>

        * config/arm/arm.c (thumb_expand_prologue): Remove bogus GEN_INT.

2004-07-20  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * fold-const.c (operand_equal_p): Temporarily support NULL args.
        (operand_equal_p, case ARRAY_REF): Compare args 2 and 3.
        (operand_equal_p, case COMPONENT_REF): Likewise, for arg 2.

2004-07-20  Zack Weinberg  <zack@codesourcery.com>

        * rtl.h (plus_constant): Delete.
        (plus_constant_wide): Rename to plus_constant.
        (plus_constant_for_output_wide): Delete vestigial prototype.
        (GEN_INT): Remove unnecessary cast.
        * tree.h (build_int_2, size_int_type): Delete.
        (build_int_2_wide): Rename to build_int_2.
        (size_int_wide): Rename to size_int_kind.
        (size_int_type_wide): Rename to size_int_type.
        (size_int, ssize_int, bitsize_int, sbitsize_int): Use size_int_kind.
        Remove unnecessary cast.
        * tree.c (build_int_2_wide): Rename build_int_2; update comment.
        * explow.c (plus_constant_wide): Rename plus_constant; update comment.
        * fold-const.c (size_int_wide): Rename size_int_kind. Use size_int_type.
        (size_int_type_wide): Rename size_int_type.
        (int_const_binop): Use size_int_type.
        * c-lex.c (interpret_integer): Use build_int_2.
        * final.c (split_double): Remove unnecessary casts.
        * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use build_int_2.

2004-07-20  Richard Henderson  <rth@redhat.com>

        * gimplify.c (is_gimple_tmp_var): Move to tree-gimple.c.
        (gimplify_compound_lval): Use is_gimple_tmp_reg.
        * tree-gimple.c (is_gimple_tmp_var): Move from gimplify.c.
        (is_gimple_tmp_reg): New.
        * tree-gimple.h (is_gimple_tmp_reg): Declare.

2004-07-20  Richard Henderson  <rth@redhat.com>

        * tree-pretty-print.c (dump_generic_node): Dump
        CALL_EXPR_HAS_RETURN_SLOT_ADDR.

2004-07-20  Frank Ch. Eigler  <fche@redhat.com>

        * tree-mudflap.c (mf_set_options_fndecl): New tree.
        (mudflap_init): Set it.
        (mudflap_register_call): Remove __mf_init call.
        (mudflap_finish_file): Emit call to __mf_init here.  Emit a call to
        to pass "-ignore-reads" option to libmudflap if needed.

2004-07-20  John David Anglin  <dava.anglin@nrc-cnrc.gc.ca>

        PR c++/14607
        * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY): Define.
        (MAKE_DECL_ONE_ONLY): Undefine.
        * pa-protos.h (som_text_section_asm_op, one_only_readonly_data_section,
        readonly_data, one_only_data_section, forget_section): New prototypes.
        * pa.c (pa_init_machine_status, som_text_section_asm_op): New
        functions.
        (pa_select_section): Add one-only (COMDAT) support.
        * pa.h (struct machine_function): Define.
        * som.h (ASM_OUTPUT_FUNCTION_PREFIX): Delete.
        (TEXT_SECTION_ASM_OP): Call som_text_section_asm_op.
        (DEFAULT_TEXT_SECTION_ASM_OP, NEW_TEXT_SECTION_ASM_OP,
        ONE_ONLY_TEXT_SECTION_ASM_OP, ONE_ONLY_READONLY_DATA_SECTION_ASM_OP,
        ONE_ONLY_DATA_SECTION_ASM_OP): New defines.
        (EXTRA_SECTIONS): Add in_one_only_readonly_data and in_one_only_data.
        (EXTRA_SECTION_FUNCTIONS): Rework to use individual function macros.
        (READONLY_DATA_FUNCTION, ONE_ONLY_READONLY_DATA_SECTION_FUNCTION,
        ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): New defines
        for EXTRA_SECTION_FUNCTIONS.
        * doc/install.texi: Update binutils requirements.

2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>

        * vec.h (VEC_T_length, VEC_T_index, VEC_T_iterate, VEC_T_truncate,
        VEC_T_replace, VEC_T_quick_insert, VEC_T_safe_insert,
        VEC_T_ordered_remove, VEC_T_unordered_remove): Use unsigned, not
        size_t.
        (struct VEC): Use unsigned for num and alloc.
        * vec.c (struct vec_prefix): Likewise.
        (vec_o_reserve): Adjust.

        * dbxout.c (dbxout_type): Fix printf format.

        * tree.h (binfo_member): Remove.
        * tree.c (binfo_member): Remove.

2004-07-20  Nathan Sidwell  <nathan@codesourcery.com>

        * tree.h: Include vec.h
        (DEF_VEC_P(tree)): New type.
        (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): Adjust.
        (BINFO_BASE_APPEND, BINFO_BASE_ITERATE): New.
        (BINFO_LANG_SLOT): Remove.
        (BINFO_SUBVTT_INDEX, BINFO_VPTR_INDEX, BINFO_PRIMARY_BASE_OF): New.
        (struct tree_binfo): Turn base_binfos into a trailing
        VEC(tree). Add vtt_subvtt, vtt_vptr, primary fields.
        (binfo_lang_slots): Remove.
        * tree.c (binfo_lang_slots): Remove.
        (make_tree_binfo_stat): Take a base binfo count, not a
        lang slot count.  Adjust.
        * Makefile.in (TREE_H): Add vec.h
        * alias.c (record_component_aliases): Adjust BINFO access.
        * dbxout.c (dbxout_type): Likewise.
        * dwarf2out.c (gen_member_die): Likewise.
        * sdbout.c (sdbout_one_type): Likewise.
        * tree-dump.c (deque_and_dump): Likewise.
        * config/i386/i386.c (classify_argument,
        contains_128bit_aligned_vector_p): Likewise.
        * config/sh/symbian.c (symbian_export_vtable_and_rtti_p): Likewise.
        * doc/c-tree.texi (Classes): Update BINFO documentation.

2004-07-20  Steven Bosscher  <stevenb@suse.de>

        * c-common.h (check_case_value): Remove prototype.
        (c_add_case_label): Adjust prototype.
        * c-common.c (check_case_value): Make static.
        (check_case_bounds): New function.
        (c_add_case_label): Use it.  Take new argument orig_type.
        * c-typeck.c (struct c_switch): New orig_type field.
        (c_start_case): Set it.
        (do_case): Pass it to c_add_case_label.
        * expr.c (expand_expr_real_1): Don't warn for out-of-bounds
        cases from here.  Add the labels in reverse order.
        * stmt.c (struct case_node): Adjust comment.  Remove balance field.
        (add_case_node): Return nothing, don't check for duplicate cases.
        Insert new case nodes in a list, not in an AVL tree.
        (expand_end_case_type): Don't turn a case tree into a case list.
        (case_tree2list): Remove.
        * tree.h (add_case_node): Adjust prototype.

2004-07-19  Paolo Bonzini  <bonzini@gnu.org>

        * genattr.c (struct range, struct function_unit,
        write_units, extend_range, init_range): Remove them.
        (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
        Output "#define INSN_SCHEDULING" here.
        * genattrtab.c (struct range, struct function_unit_op,
        struct function_unit, struct dimension, enum operator,
        operate_exp, expand_units, simplify_knowing,
        encode_units_mask, simplify_by_exploding,
        find_and_mark_used_attributes, unmark_used_attributes,
        add_values_to_cover, increment_current_value,
        test_for_current_value, simplify_with_current_value,
        simplify_with_current_value_aux, gen_unit,
        write_unit_name, write_function_unit_info,
        write_complex_function, write_toplevel_expr,
        find_single_value, extend_range): Remove.
        (write_attr_get): Do not handle common_av->value
        being an FFS.
        (struct attr_desc): Remove func_units_p and blockage_p.
        (write_attr_valueq): Do not handle them.
        (find_attr): Do not clear them.
        (make_internal_attr): Do not initialize them.
        (main): Remove code dealing with DEFINE_FUNCTION_UNIT.
        * sched-vis.c (init_target_units, insn_print_units,
        init_block_visualization, print_block_visualization,
        visualize_scheduled_insns, visualize_no_unit,
        visualize_stall_cycles, visualize_alloc,
        visualize_free, target_units, get_visual_tbl_length,
        MAX_VISUAL_LINES, INSN_LEN, n_visual_lines,
        visual_tbl_line_length, visual_tbl, n_vis_no_unit,
        MAX_VISUAL_NO_UNIT, vis_no_unit): Remove.
        * haifa-sched.c (blockage_range, clear_units,
        schedule_unit, actual_hazard, potential_hazard,
        insn_unit, unit_last_insn, unit_tick,
        actual_hazard_this_instance, potential_hazard,
        schedule_unit, max_insn_queue_index_value): Remove.
        (MAX_INSN_QUEUE_INDEX): Removed, renamed throughout to
        max_insn_queue_index.
        * rtl.def (DEFINE_FUNCTION_UNIT): Remove.
        * doc/md.texi (Processor pipeline description): Remove
        references to old pipeline descriptions.
        (Automaton pipeline description): Merge with the above.
        (Old pipeline description, Comparison of the two descriptions):
        Remove.

        * bt-load.c (migrate_btr_def): Remove references to
        use_pipeline_interface.
        * haifa-sched.c (insn_cost, schedule_insn,
        schedule_block, advance_one_cycle, sched_init,
        queue_to_ready, sched_finish): Likewise.
        * modulo-sched.c (sms_schedule, advance_one_cycle,
        ps_has_conflicts): Likewise.
        * sched-rgn.c (init_ready): Likewise.
        (debug_dependencies): Likewise, and remove an "if (1)".
        * target.h (use_dfa_pipeline_interface): Remove.
        * config/alpha/alpha.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/arc/arc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/arm/arm.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/c4x/c4x.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/frv/frv.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/i386/i386.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/ia64/ia64.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/iq2000/iq2000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/m32r/m32r.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/mcore/mcore.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/mips/mips.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/pa/pa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/rs6000/rs6000.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/s390/s390.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/sh/sh.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/sparc/sparc.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/v850/v850.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * config/xtensa/xtensa.c (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.
        * doc/tm.texi (TARGET_USE_DFA_PIPELINE_INTERFACE): Remove.

2004-07-19  Roger Sayle  <roger@eyesopen.com>

        * rtlanal.c (reg_set_p): Add check for regs_invalidated_by_call.

2004-07-19  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (single_incoming_edge_ignoring_loop_edges): New.
        (get_eq_expr_value): Use it.  Simplify slightly.

2004-07-19  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/mips/mips.md (mulsidi3_32bit_r4000): Fix the clobber list.
        (umulsidi3_32bit_r4000): Likewise.

2004-07-19  Nathan Sidwell  <nathan@codesourcery.com>

        * vec.h: Propagate location information properly.
        (VEC_T_iterate): Add result pointer parameter.
        (VEC_T_space): New.
        (VEC_T_reserve): Use it.

2004-07-19  Daniel Jacobowitz  <dan@debian.org>

        * Makefile.in (c-format.o): Depend on c-format.h.
        * c-format.h: New file.
        (struct format_char_info): Add CHAIN member.
        * c-format.c: Move some types and constants to c-format.h.
        (format_type_error): Set to -1.
        (struct function_format_info): Use an int for format_type.
        (decode_format_type): Return an int.  Return format_type_error
        on error.
        (print_char_table, asm_fprintf_char_table, gcc_diag_char_table)
        (gcc_diag_char_table, gcc_cdiag_char_table, gcc_cxxdiag_char_table)
        (scan_char_table, time_char_table, monetary_char_table): Initialize
        CHAIN to NULL.
        (n_format_types): New variable.
        (check_format_info_main): Handle CHAIN in format_char_info.
        (handle_format_attribute): Handle TARGET_FORMAT_TYPES and
        TARGET_N_FORMAT_TYPES.
        * config.gcc (i[34567]86-*-solaris2*, sparc64-*-solaris2*)
        (sparc-*-solaris2*): Include config/t-sol2 and config/sol2-c.c.
        * config/sol2-c.c: New file.
        * config/t-sol2: New file.
        * config/sol2.h (TARGET_N_FORMAT_TYPES, TARGET_FORMAT_TYPES): Define.
        * config/sparc/elf.h, config/sparc/sp64-elf.h: Undefine
        TARGET_N_FORMAT_TYPES and TARGET_FORMAT_TYPES.

        * doc/extend.texi (Target Format Checks): New section.
        (Function Attributes): Mention it.
        * doc/invoke.texi: Mention target format checks.
        * doc/sourcebuild.texi: Mention target format checks.
        * dc/tm.texi (Misc): Document TARGET_N_FORMAT_TYPES and
        TARGET_FORMAT_TYPES.

2004-07-19  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390-protos.h (s390_return_address_offset): Prototype
        added.
        * config/s390/s390.c (regclass_map initializer): Register 35 added to
        ADDR_REGS.
        (load_multiple_operation, store_multiple_operation): Removed
        pointless sanity check.
        (s390_decompose_address): Added check for return_address_pointer_rtx.
        (s390_return_addr_rtx): Use return_address_pointer_rtx for count == 0.
        (s390_return_address_offset): New function.
        * config/s390/s390.h (FIRST_PSEUDO_REGISTER): Increased to 36.
        (FRAME_REGNO_P): Added check for register 35.
        (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
        REG_ALLOC_ORDER): Appended entry for register 35.
        (REG_CLASS_CONTENTS): Adjusted class masks for register 35.
        (EH_RETURN_HANDLER_RTX): Use return_address_pointer_rtx.
        (RETURN_ADDRESS_POINTER_REGNUM): New macro.
        (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Return address pointer
        is eliminable using stack pointer or hard frame pointer.
        (REGISTER_NAMES): Added name for register 35.
        * config/s390/s390.md ("load_multiple", "store_multiple"): Removed
        pointless sanity check.

2004-07-19  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (tree_expr_nonzero_p): Add function prototype.
        (fold) <EQ_EXPR>: Move tree_expr_nonzero_p optimization from
        fold_relational_const to here, i.e. "(x | 5) == 0" -> false.
        (fold) (UNEQ_EXPR>: Add optimizations for unordered comparisons
        of the form "x op x" where op is UNLE, UNGE, UNEQ or LTGT.
        (fold_relational_const): Tidy up handling of floating point
        comparisons by calling real_compare.  Remove tree_expr_nonzero_p
        transformation; fold_relational_const assumes constant operands.

2004-07-19  Gabriel Dos Reis  <gdr@integrable-solution.net>

        * doc/sourcebuild.texi: Add libcpp, now that CPP has its own
        directory.

2004-07-19  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-tree.h (struct c_expr): Define.
        (C_SET_EXP_ORIGINAL_CODE): Remove.
        (parser_build_binary_op, build_compound_expr): Update prototypes.
        * c-parse.in (%union): Add exprtype.
        (FUNC_NAME): Mark as ttype.
        (expr, expr_no_commas, cast_expr, unary_expr, primary): Change to
        exprtype.
        (expr): Update.  Define directly in terms of expr_no_commas
        instead of using nonnull_exprlist.
        (nonnull_exprlist, unary_expr, cast_expr, expr_no_commas, primary,
        offsetof_member_designator, typespec_nonreserved_nonattr, init,
        initval, designator, component_declarator,
        component_notype_declarator, enumerator, array_declarator,
        condition, exexpr, switch_statement, stmt_nocomp, stmt,
        nonnull_asm_operands, ivar_declarator, receiver): Update.  Don't
        set C_EXP_ORIGINAL_CODE.  Use TREE_NO_WARNING for assignments
        where appropriate.
        * c-common.h (C_EXP_ORIGINAL_CODE): Remove.
        * c-common.c (c_common_truthvalue_conversion): Don't check
        C_EXP_ORIGINAL_CODE.
        * c-typeck.c (parser_build_binary_op): Use c_expr structures.
        Don't use C_EXP_ORIGINAL_CODE.
        (default_conversion, default_function_array_conversion): Don't use
        C_EXP_ORIGINAL_CODE.  Preserve TREE_NO_WARNING.
        (internal_build_compound_expr): Merge into build_compound_expr.
        (build_compound_expr): Take two operands instead of a TREE_LIST.
        * objc/objc-act.c (get_super_receiver): Update calls to
        build_compound_expr.

2004-07-12  Paolo Bonzini  <bonzini@gnu.org>

        * config/sh/sh.c (sh_use_dfa_interface): Remove.
        (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Set to
        hook_int_void_1.
        * config/sh/sh.md: Extract pipeline descriptions
        into separate files.
        * config/sh/sh1.md: New file, extracted from sh.md.
        * config/sh/sh4.md: New file, extracted from sh.md.
        * config/sh/shmedia.md: New file, extracted from sh.md
        and rewritten using new-style pipeline description.

2004-07-18  Zack Weinberg  <zack@codesourcery.com>

        * config/pa/pa.md: Delete the two remaining define_peephole
        patterns.

2004-07-18  Steven Bosscher  <stevenb@suse.de>
            Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-common.c (c_common_truthvalue_conversion): Don't warn if
        TREE_NO_WARNING is set.

2004-07-18  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (simplify_builtin_memcmp, simplify_builtin_strcmp,
        simplify_builtin_strncmp): Delete.
        (fold_builtin_memcmp, fold_builtin_strcmp, fold_builtin_strncmp):
        Change argument to accept an arglist instead of an "exp".  Assume
        that the return type is always integer_type_node.  Copy missing
        transformations from their now obsolete simplify_builtin_*
        equivalents.
        (fold_builtin_1): Pass arglist instead of exp to fold_builtin_memcmp,
        fold_builtin_strcmp and fold_builtin_strncmp.
        (simplify_builtin): Call fold_builtin_memcmp, fold_builtin_strcmp
        and fold_builtin_strncmp instead of simplify_builtin_memcmp,
        simplify_builtin_strcmp and simplify_builtin_strncmp respectively.

2004-07-18  Daniel Jacobowitz  <dan@debian.org>

        * Makefile.in (tree-alias-common.o): Update dependencies.

2004-07-17  Sebastian Pop  <pop@cri.ensmp.fr>

        * cfgloop.c (flow_loop_nested_p): Fix comment.

2004-07-17  Jason Merrill  <jason@redhat.com>

        PR c++/16115
        * stor-layout.c (relayout_decl): New fn.
        * tree.h: Declare it.
        (DECL_BY_REFERENCE): New macro.

2004-07-17  Eric Botcazou  <ebotcazou@act-europe.fr>

        * libgcc2.c (__enable_execute_stack): New symbol.
        * libgcc-std.ver (GCC_3.4.2): New version.  Inherit from GCC_3.4
        and declare __enable_execute_stack.
        * mklibgcc.in (lib2funcs): Add _enable_execute_stack.
        * config/netbsd.h (NETBSD_ENABLE_EXECUTE_STACK): ANSIfy.
        * config/sol2.h (TRANSFER_FROM_TRAMPOLINE): Rename into
        ENABLE_EXECUTE_STACK.
        * config/alpha/alpha.c (alpha_initialize_trampoline): Conditionalize
        on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
        * config/alpha/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Rename into
        ENABLE_EXECUTE_STACK.
        * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
        * config/i386/i386.c (x86_initialize_trampoline): Conditionalize
        on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
        * config/i386/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Rename into
        ENABLE_EXECUTE_STACK.
        * config/i386/netbsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
        * config/i386/netbsd64.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
        * config/sparc/freebsd.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
        * config/sparc/netbsd-elf.h (TRANSFER_FROM_TRAMPOLINE): Likewise.
        * config/sparc/sparc.c (sparc_initialize_trampoline): Conditionalize
        on ENABLE_EXECUTE_STACK instead of TRANSFER_FROM_TRAMPOLINE.
        (sparc64_initialize_trampoline): Likewise.
        * doc/tm.texi (trampolines): Add ENABLE_EXECUTE_STACK macro.

2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>

        * langhooks.h (builtin_function): New langhook.
        * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION): New.
        (LANG_HOOKS_INITIALIZER): Update.
        * tree.h (builtin_function): Remove.
        * doc/tm.texi: Update.
        * c-tree.h (builtin_function): Declare.
        * c-common.c, config/alpha/alpha.c, config/arm/arm.c,
        config/c4x/c4x.c, config/frv/frv.c, config/i386/i386.c,
        config/ia64/ia64.c, config/iq2000/iq2000.c,
        config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
        config/stormy16/stormy16.c: All callers of builtin_function
        changed.

2004-07-17  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/16556
        * config/i386/darwin.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
        Remove white space after the backslash.

2004-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/16294
        * resource.c (return_insn_p): New predicate.
        (mark_target_live_regs): Use it.  Special-case return insns.
        (init_resource_info): Use it.  Don't scan the epilogue past
        a return.

2004-07-17  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Do not
        destroy dominance information.
        * passes.c (rest_of_handle_loop2):  Free dominance information.
        * tree-cfg.c (cleanup_tree_cfg): Remove unreachable blocks before
        jump threading.
        (thread_jumps): Update dominance information and remove unreachable
        blocks.
        * tree-ssa-phiopt.c (replace_phi_with_stmt):  Update dominance
        information and remove the unreachable block.

2004-07-17  Graham Stott  <graham.stott@btinternet.com>

        * emit-rtl.c (reorder_insns): Don't set BB for a BARRIER insn.

2004-07-17  Toon Moene  <toon@moene.indiv.nluug.nl>

        * doc/sourcebuild.texi: Remove libf2c entry.

2004-07-17  Paolo Bonzini  <bonzini@gnu.org>

        * config/i386/i386.md (movv16qi_internal): Fix typo.

2004-07-17  Steven Bosscher  <stevenb@suse.de>

        * final.c (final_scan_insn): Fix broken commit from previous
        patch.

2004-07-17  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-typeck.c (parser_build_binary_op): Condition warnings for
        X<=Y<=Z on -Wparentheses instead of -Wextra.
        * doc/invoke.texi: Update.  Document that most of -Wparentheses is
        supported for C only.

2004-07-17  Steven Bosscher  <stevenb@suse.de>

        * cfgcleanup.c (try_simplify_condjump): Don't remove line
        notes to avoid unreachable code warnings.
        * toplev.c (backend_init): Don't emit line notes for
        unreachable code warnings.

        * combine.c (distribute_notes): Don't distribute a
        REG_VTABLE_REF note.
        * final.c (final_scan_insn): Don't handle it.
        * rtl.c (reg_note_name): Remove it.
        * rtl.h (enum reg_node): Dito.

        * emit-rtl.c (force_line_numbers, restore_line_number_status):
        Remove.
        * rtl.h (force_line_numbers, restore_line_number_status):
        Remove prototypes.

        * stmt.c (using_eh_for_cleanups_p, using_eh_for_cleanups): Move...
        * tree-eh.c (using_eh_for_cleanups_p): ...here.  Make static.
        (using_eh_for_cleanups): Also moved here.

        * expr.c (expand_expr_real_1) <CASE_LABEL_EXPR>: Die if we see one.
        <SWITCH_EXPR>: Die if we have a non-NULL SWITCH_BODY.  Update calls
        to expand_start_case and add_case_node.
        * stmt.c (struct nesting): Cleanup unused fields condition_code,
        last_unconditional_cleanup, nominal_type, printname, and
        line_number_status.
        (struct fixup_goto): Remove.
        (struct stmt_status): Remove x_goto_fixup_chain field.
        (goto_fixup_chain): Remove.
        (strip_default_case_nodes, group_case_nodes, emit_jump_if_reachable,
        pushcase, pushcase_range): Remove.
        (expand_start_bindings_and_block): Don't set unused fields in
        the nesting stack.
        (expand_start_case, add_case_node): Cleanup unused formal arguments.
        (expand_end_case_type): Don't simplify the case-list.  Use emit_jump
        instead of emit_jump_if_reachable.
        (emit_case_nodes): Likewise.
        * tree-cfg.c (group_case_labels, cleanup_dead_labels): No longer
        static.
        (update_eh_label): Work around left-over exception handing regions.
        * tree-flow.h (group_case_labels, cleanup_dead_labels): Add protos.
        * tree-optimize.c (execute_cleanup_cfg_post_optimizing): New function.
        (pass_cleanup_cfg_post_optimizing): New pass.
        (init_tree_optimization_passes): Run the new pass after all
        optimizations.
        * tree.h (pushcase, pushcase_range): Remove prototypes.
        (expand_start_case, add_case_node): Update prototypes.

2004-07-16  Krister Walfridsson  <cato@df.lth.se>

        * tree-inline.c (estimate_num_insns_1): Correct increase of count.

2004-07-16  Richard Henderson  <rth@redhat.com>

        * builtins.c (std_expand_builtin_va_arg): Remove.
        (expand_builtin_va_arg): Remove.
        * expr.h: Don't declare them.
        * gimplify.c (mark_decls_volatile_r): Remove.
        (copy_if_shared_r): Don't call it.
        * target-def.h: Don't test EXPAND_BUILTIN_VA_ARG.
        * expr.c (expand_expr_real_1): Don't handle VA_ARG_EXPR.
        * gimple-low.c (lower_stmt): Likewise.
        * tree-cfg.c (cfg_remove_useless_stmts_bb): Likewise.
        * tree-gimple.c (is_gimple_tmp_rhs, is_gimple_stmt): Likewise.
        * tree-ssa-operands.c (get_expr_operands): Likewise.
        * doc/tm.texi (TARGET_GIMPLIFY_VA_ARG_EXPR): Don't mention
        EXPAND_BUILTIN_VA_ARG.
        * system.h (EXPAND_BUILTIN_VA_ARG): Poison.
        * config/alpha/alpha.h, config/alpha/unicosmk.h, config/i386/i386.h,
        config/ia64/ia64.h, config/rs6000/rs6000.h, config/s390/s390.h,
        config/sparc/sparc.h (EXPAND_BUILTIN_VA_ARG): Remove.

2004-07-16  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-pre.c (insert_aux): Break out if we hit
        a critical edge.

2004-07-16  Richard Henderson  <rth@redhat.com>

        * basic-block.h (remove_fake_exit_edges): Declare.
        * cfganal.c (remove_fake_predecessors): Rename from
        remove_fake_successors; iterate over predecessors.
        (remove_fake_exit_edges): New.
        * cfgcleanup.c (try_optimize_cfg): Use it.
        * gcse.c (one_pre_gcse_pass, store_motion): Likewise.
        * predict.c (estimate_probability): Likewise.
        (tree_estimate_probability, note_prediction_to_br_prob): Likewise.
        * tree-cfg.c (make_edges): Likewise.
        * tree-ssa-pre.c (fini_pre): Likewise.
        * profile.c (instrument_edges): Don't remove_fake_edges.
        (branch_prob): Do it earlier here.

2004-07-16  Richard Henderson  <rth@redhat.com>

        * tree-ssa-operands.c (get_expr_operands): Fix 2004-07-15
        switchification wrt CONSTRUCTOR.  Document the reason.

2004-07-16  Frank Ch. Eigler  <fche@redhat.com>

        * tree-mudflap.c (mf_file_function_line_tree): Correct typo
        that prevented descriptive __mf_check source location strings.

2004-07-16  Richard Henderson  <rth@redhat.com>

        * tree-def (WITH_SIZE_EXPR): New.
        * explow.c (expr_size, int_expr_size): Handle WITH_SIZE_EXPR.
        * expr.c (expand_expr_real_1): Likewise.
        * gimplify.c (maybe_with_size_expr): New.
        (gimplify_arg, gimplify_modify_expr): Use it.
        (gimplify_modify_expr_to_memcpy): Take size parameter.
        (gimplify_modify_expr_to_memset): Likewise.
        (gimplify_expr): Handle WITH_SIZE_EXPR.
        * tree-alias-common.c (find_func_aliases): Likewise.
        * tree-eh.c (tree_could_trap_p): Likewise.
        (tree_could_throw_p): Likewise.
        * tree-gimple.c (is_gimple_lvalue): Likewise.
        (get_call_expr_in): Likewise.
        * tree-inline.c (estimate_num_insns_1): Likewise.
        (expand_calls_inline): Likewise.
        * tree-nested.c (convert_call_expr): Likewise.
        * tree-pretty-print.c (dump_generic_node): Likewise.
        * tree-sra.c (sra_walk_expr): Likewise.
        * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
        * tree-ssa-ccp.c (get_rhs, set_rhs): Likewise.
        * tree-ssa-operands.c (get_expr_operands): Likewise.
        * tree-tailcall.c (find_tail_calls): Likewise.

        * calls.c (expand_call): Reset old_stack_allocated after
        calling emit_stack_restore.

2004-07-16  Richard Henderson  <rth@redhat.com>

        * langhooks-def.h (LANG_HOOKS_TREE_INLINING_COPY_RES_DECL_FOR_INLINING,
        lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
        * langhooks.c (lhd_tree_inlining_copy_res_decl_for_inlining): Remove.
        * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
        copy_res_decl_for_inlining.

        * tree-inline.c (declare_return_variable): New modify_dest argument.
        Use it as the return value, when possible or manditory.  Handle
        TREE_ADDRESSABLE types.
        (expand_call_inline): Extract MODIFY_EXPR lhs for call.  Simplify
        replacement of CALL_EXPR.

2004-07-16  Richard Henderson  <rth@redhat.com>

        * tree-flow.h (struct var_ann_d): Remove has_hidden_use.
        * gimple-low.c (expand_var_p): Don't check it.
        * tree-ssa-alias.c (setup_pointers_and_addressables): Likewise.
        * tree-ssa-copyrename.c (rename_ssa_copies): Likewise.
        * tree-ssa-operands.c (add_stmt_operand): Likewise.
        * tree-dfa.c (find_hidden_use_vars, find_hidden_use_vars_r): Kill.
        (find_referenced_vars): Don't call them.
        * tree-flow-inline.h (has_hidden_use, set_has_hidden_use): Kill.

2004-07-16  Richard Henderson  <rth@redhat.com>

        * function.c (pass_by_reference): True for all variable sized types.

2004-07-16  Sebastian Pop  <pop@cri.ensmp.fr>

        * Makefile.in (tree-pretty-print.o): Depend on tree-chrec.h.
        * tree-pretty-print.c: Include tree-chrec.h.
        (dump_generic_node): Pretty print SCEV_KNOWN, SCEV_NOT_KNOWN
        and POLYNOMIAL_CHREC nodes.

2004-07-16  Steve Ellcey  <sje@cup.hp.com>

        * builtins.c (expand_builtin_stpcpy): Do not create temporary
        reg with VOIDmode.

2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/eabi.asm (__eabi_convert): Fix typo (cmpi vs. cmpwi).

2004-07-16  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.md: Changed every occurence of BASE_REGISTER
        to BASE_REGNUM.
        * config/s390/s390.c: Likewise.
        * config/s390/s390.h: Likewise.

2004-07-16  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (addsi3, adddi3): Remove special handling
        of $sp adds.  Remove REGNO checks from mips16 patterns.

2004-07-16  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md: Delete outdated comment.

2004-07-16  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (get_float_compare_codes): Delete.
        (mips_emit_compare): New function, mostly extracted from
        get_float_compare_codes and gen_conditional_branch.
        (gen_conditional_branch, gen_conditional_move): Use it.

2004-07-16  Segher Boessenkool  <segher@kernel.crashing.org>

        * genautomata.c (add_vect): Speedup by using integers as
        bit-vectors for walking through the comb_vect and finding
        a match.

2004-07-16  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_zero_if_equal): Only use XORs if the second
        operand is an uns_arith_operand; use subtraction otherwise.
        * config/mips/mips.md (cmpsi, cmpdi): Allow any nonmemory_operand,
        not just arith_operands.

2004-07-16  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips-protos.h (gen_int_relational): Delete.
        (mips_emit_scc): Declare.
        * config/mips/mips.c (internal_test): Delete.
        (sle_operand, sleu_operand): New functions.
        (map_test_to_internal_test, gen_int_relational): Delete.
        (mips_emit_binary, mips_relational_operand_ok_p)
        (mips_emit_int_relational, mips_zero_if_equal)
        (mips_emit_scc): New functions.
        (gen_conditional_branch): Rework to use mips_emit_int_relational.
        * config/mips/mips.h (PREDICATE_CODES): Add sle_operand and
        sleu_operand.
        * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
        (sltu, sleu): Use mips_emit_scc.
        (*sge_[sd]i, *sgeu_[sd]i): New patterns.
        (*sle_[sd]i, *sle_[sd]i_mips16): Use sle_operand.
        (*sleu_[sd]i, *sleu_[sd]i_mips16): Use sleu_operand.

2004-07-16  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (*sgt_di_mips16): Fix destination constraint.

2004-07-16  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md (*seq_[sd]i): Renamed from seq_[sd]i_zero.
        (*sne_[sd]i): Likewise sne_[sd]i_zero.
        (*sgt_[sd]i): ...and sgt_[sd]i.
        (*slt_[sd]i): ...and slt_[sd]i.
        (*sgtu_[sd]i): ...and sgtu_[sd]i.
        (*sltu_[sd]i): ...and sltu_[sd]i.
        (*sleu_[sd]i): ...and sleu_[sd]i_const.
        Name previously unnamed mips16 patterns.  Formatting fixes.

2004-07-16  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (cmp_operands): Renamed from branch_cmp.
        (branch_type): Delete.
        (gen_conditional_branch, gen_conditional_move)
        (mips_gen_conditional_trap): Update after name change.  Get the
        comparison mode from cmp_operands[0].
        * config/mips/mips.h (cmp_type, branch_type): Delete.
        (cmp_operands): Renamed from branch_cmp.
        * config/mips/mips.md (cmpsi, cmpdi, cmpsf, cmpdf): Update after
        name change.  Don't set branch_type.
        (seq, sne, sgt, sge, slt, sle, sgtu, sgeu, sltu, sleu): Check the
        mode class of cmp_operands[0] rather than branch_type.  Update after
        name change.

2004-07-16  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_rtx_costs): In mips16 code, set the cost
        of 0...255 to 0 when inside a SET.

2004-07-16  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md: Remove mips16 define_peepholes.

2004-07-16  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-pre.c (init_pre): Connect infinite loops to exit.
        (fini_pre): Remove fake edges.

2004-07-15  Richard Henderson  <rth@redhat.com>

        * tree-ssa-operands.c (get_expr_operands): Use a switch.  Split out...
        (get_indirect_ref_operands, get_call_expr_operands): ... these.

2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>

        * vec.h (VEC_address): New function.

2004-07-14  Jason Merrill  <jason@redhat.com>

        PR middle-end/15885
        * gimplify.c (gimplify_arg): New fn, split out from...
        (gimplify_call_expr): Here.  Special-case BUILT_IN_VA_START.

2004-07-15  Roman Zippel  <zippel@linux-m68k.org>

        * config/m68k/m68k.c (output_move_qimode): Abort on an attempt to
        generate code which is generated by pushqi1 now
        * config/m68k/m68k.h (MOVE_BY_PIECES_P): Remove.

2004-07-15  Roman Zippel  <zippel@linux-m68k.org>

        * combine.c (simplify_set): match the mode of the constant 0 with
        the tested operand to match the compare behaviour and the
        simplify_relational_operation() expectation.

2004-07-15  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md ("bunordered"): Disable for e500.
        ("bordered"): Same.

2004-07-15  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md ("*cceq_ior_compare"): Allow
        unconditionally.
        * config/rs6000/spe.md ("e500_cceq_ior_compare"): Remove.

2004-07-15  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_adjust_insn_length): Fix handling of
        calls in mips16 code.

2004-07-15  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md: In the mips16 li/neg splitter, use SImode for
        the destination of the li as well as for the neg.

2004-07-15  Frank Ch. Eigler  <fche@redhat.com>

        g++/15861
        * cgraphunit.c (cgraph_build_static_cdtor): Add priority argument.
        * cgraph.h: Update declaration.
        * c-decl.c (build_cdtor): Update call with default priority.
        * coverage.c (create_coverage): Ditto.
        * tree-mudflap.c (mf_init_fndecl): New tree.
        (mudflap_init): Set it.
        (mudflap_register_call): Arrange to call __mf_init before the first
        __mf_register call.
        (mudflap_finish_file): Mark the mudflap static initializer as extra
        high priority, to beat all C++ static constructors.

2004-07-15  Jeff Law  <law@redhat.com>

        * loop.c (check_insn_for_givs): Restore check for code labels that was
        accidentally deleted by a recent checkin.

2004-07-15  Nathan Sidwell  <nathan@codesourcery.com>

        * vec.h (VEC_T_truncate): Allow truncation of an empty vector.
        (VEC_T_quick_insert, VEC_T_ordered_remove): Fix sizeof(T) thinko.

2004-07-14  Richard Henderson  <rth@redhat.com>

        * print-tree.c (print_node): Fix casts last change.

2004-07-15  Paul Brook  <paul@codesourcery.com>

        * dwarf2out.c (dwarf2out_begin_prologue): Rename IA64_UNWIND_INFO
        to TARGET_UNWIND_INFO.
        * except.c (output_function_exception_table): Ditto.
        * except.h: Ditto.
        * opts.c (decode_options): Ditto.
        * passes.c (rest_of_handle_final): Ditto.
        * final.c (final_start_function): Ditto.
        (final_scan_insn, final_scan_insn): Replace IA64_UNWIND_EMIT with
        target hook.
        * targhooks.h (default_unwind_emit): Declare.
        * targhooks.c (default_unwind_emit): New function.
        * target-def.h: Define and use TARGET_UNWIND_EMIT.
        * target.h (struct gcc_target): Add unwind_emit.
        * config/ia64/ia64.c (TARGET_UNWIND_EMIT): Define.
        * config/ia64/ia64.h: Rename IA64_UNWIND_INFO to TARGET_UNWIND_INFO.
        Remove IA64_UNWIND_EMIT.
        * doc/tm.texi: Document TARGET_UNWIND_EMIT and TARGET_UNWIND_INFO.

2004-07-14  Richard Henderson  <rth@redhat.com>

        * print-tree.c (print_node): Handle SSA_NAME.

2004-07-14  James E Wilson  <wilson@specifixinc.com>

        PR target/16325
        * config/mips/mips.h (STARTING_FRAME_OFFSET): When flag_profile_value
        and ! TARGET_64BIT, include REG_PARM_STACK_SPACE.

2004-07-15  Jakub Jelinek  <jakub@redhat.com>

        * expr.c (expand_assignment): Reenable bitfield += optimizations.
        Use alias set 0 for memory, do proper mode calculations and adjust
        address for memories.

2004-07-14  Per Bothner  <per@bothner.com>

        * input.h:  If USE_MAPPED_LOCATION, define separate expanded_location
        structure with extra column field.
        * tree.c (expand_location):  Also fill in column field.
        * gengtype-lex.l:  Ignore expanded_location typedef, sinze gengtype
        gets confused by the two conditionally-compiled definitions.

2004-07-14  Eric Christopher  <echristo@redhat.com>

        * calls.c (expand_call): Fix typo in comment.

2004-07-14  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.c (ia64_expand_compare): Allow ORDERED
        comparision of TFmode.

2004-07-14  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Move indirect ...
        (alpha_gimplify_va_arg): ... handling here.  Use pass_by_reference.
        * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Use pass_by_reference.
        * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
        * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
        * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
        * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
        * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
        * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.

2004-07-14  Mike Stump  <mrs@apple.com>

        * config/darwin.h (WINT_TYPE): Define to be int to match
        system header files.

2004-07-14  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (function_arg_advance): Check for args
        that must be passed in the stack.
        (xtensa_gimplify_va_arg_expr): Skip special-case padding for small
        arguments if the size is not a constant.

2004-07-14  Per Bothner  <per@bothner.com>

        * c-typeck.c (emit_side_effect_warnings):  Use EXPR_HAS_LOCATION
        instead of EXPR_LOCUS in a boolean context, which is always true
        if --enable-mapped-location.
        * stmt.c (warn_if_unused_value):  Likewise.  Also use EXPR_LOCATION.

2004-07-14  Richard Henderson  <rth@redhat.com>

        * dominance.c (struct dom_info): Add fake_exit_edge.
        (init_dom_info): Allocate it.
        (free_dom_info): Free it.
        (calc_dfs_tree): Set it.  Handle noreturn and infinite loops
        in two passes.
        (calc_idoms): Honor fake_exit_edge.

2004-07-13  Jason Merrill  <jason@redhat.com>

        * tree-gimple.c (is_gimple_reg_rhs, is_gimple_mem_rhs): New fns.
        (rhs_test_for): New fn.
        (is_gimple_tmp_rhs): Rename from is_gimple_rhs.
        * tree-gimple.h: Declare them.
        * gimplify.c (gimplify_modify_expr): Use the new fns.

2004-07-14  Richard Henderson  <rth@redhat.com>

        * config/arm/arm-protos.h (arm_va_arg): Remove.
        * config/arm/arm.c (arm_va_arg): Remove.
        (arm_init_expanders): Fix alignment of arg_pointer_rtx.
        * config/arm/arm.h (EXPAND_BUILTIN_VA_ARG): Remove.

2004-07-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (fix_range): New function to mark a range(s) of registers as
        fixed registers.
        (override_options): Call fix_range if the -mfixed-range option string
        is not empty.
        * pa.h (TARGET_OPTIONS): Add -mfixed-range option.
        * doc/invoke.texi (-mfixed-range): Document new option.

2004-07-14  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (function_arg_padding): Do not pad SFmode
        for TARGET_64BIT.
        (rs6000_gimplify_va_arg): Use size_int instead of build_int_2.

2004-07-14  Roger Sayle  <roger@eyesopen.com>

        * expmed.c (expand_sdiv_pow2): New function to expand signed division
        by a positive power of two, split out from expand_divmod.  Provide
        an alternate implementation when shifts are expensive.  Lower the
        threshold for using a branchless implementation to BRANCH_COST >= 2.
        (expand_divmod): Call expand_sdiv_pow2 for suitable divisions.

2004-07-14  Paolo Bonzini  <bonzini@gnu.org>

        * tree-dfa.c (make_rename_temp): *Really* work just
        like create_tmp_var if called while outside SSA form.

2004-07-14  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("udivsi3"): Ensure trap is generated
        for division by zero.
        ("umodsi3"): Likewise.

2004-07-14  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_output_move): When generating mips16 code,
        force loads of negative constants to be split.
        * config/mips/mips.md (*movhi_mips16, *movqi_mips16): Likewise.
        Generalize SImode li/neg splitter to cope with other modes.

2004-07-14  Paolo Bonzini  <bonzini@gnu.org>

        * expmed.c: Remove more references to QUEUED in the comments.
        * expr.c: Likewise.

2004-07-14  Richard Sandiford  <rsandifo@redhat.com>

        Revert:
        2004-07-13  Richard Henderson  <rth@redhat.com>
        * config/mips/mips.c (mips_pass_by_reference): Handle mode sizes
        correctly.

2004-07-14  Paolo Bonzini  <bonzini@gnu.org>

        * tree-dfa.c (make_rename_temp): Work just like
        create_tmp_var if called while outside SSA form.

2004-07-14  Paolo Bonzini  <bonzini@gnu.org>

        * expr.c (enqueue_insn, finish_expr_for_function,
        protect_from_queue, queued_subexp_p, mark_queue,
        emit_insns_enqueued_after_mark, emit_queue,
        expand_increment): Remove.
        (store_constructor): Expand increment as an assignment.
        (expand_expr_real_1 <case PREINCREMENT_EXPR,
        case PREDECREMENT_EXPR, case POSTINCREMENT_EXPR,
        case POSTDECREMENT_EXPR>): Abort.
        * expr.h (QUEUED_VAR, QUEUED_INSN, QUEUED_COPY,
        QUEUED_BODY, QUEUED_NEXT, finish_expr_for_function,
        protect_from_queue, emit_queue, queued_subexp_p): Remove.
        * function.h (pending_chain, x_pending_chain): Remove.
        * rtl.def (QUEUED): Remove.

        * emit-rtl.c (copy_insn_1, copy_most_rtx,
        set_used_flags, verify_rtx_sharing): Remove references to QUEUED.
        * genattrtab.c (attr_copy_rtx, clear_struct_flag,
        encode_units_mask): Likewise.
        * local-alloc.c (equiv_init_varies_p): Likewise.
        * rtl.c (copy_rtx): Likewise.
        * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
        * simplify-rtx.c (simplify_gen_subreg): Likewise.
        * config/mn10300/mn10300.c (legitimate_pic_operand_p): Likewise.

        * builtins.c (expand_builtin, expand_builtin_apply,
        expand_builtin_mathfn, expand_builtin_mathfn_2,
        expand_builtin_mathfn_3, expand_builtin_setjmp_setup):
        Remove calls to emit_queue and protect_from_queue.
        * calls.c (expand_call, precompute_arguments,
        precompute_register_parameters, rtx_for_function_call,
        store_one_arg): Likewise.
        * dojump.c (do_compare_and_jump, do_jump): Likewise.
        * explow.c (memory_address): Likewise.
        * expmed.c (clear_by_pieces_1, clear_storage,
        clear_storage_via_libcall, emit_group_load,
        emit_group_store, emit_store_flag,
        expand_expr_real_1, store_by_pieces,
        store_constructor, store_expr, try_casesi,
        try_tablejump): Likewise.
        * function.c (expand_pending_sizes): Likewise.
        * optabs.c (emit_cmp_and_jump_insns,
        emit_conditional_add, emit_conditional_move,
        expand_fix, expand_float, prepare_cmp_insn): Likewise.
        * stmt.c (emit_case_bit_tests,
        expand_asm_expr, expand_computed_goto,
        expand_decl_init, expand_end_case_type,
        expand_end_stmt_expr, expand_expr_stmt_value,
        expand_return, expand_start_case,
        optimize_tail_recursion): Likewise.
        * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
        * config/s390/s390.c (s390_expand_cmpmem): Likewise.

2004-07-14  Ben Elliston  <bje@au.ibm.com>

        * vec.h: Comment fix.

2004-07-13  Richard Henderson  <rth@redhat.com>

        * target.h (struct gcc_target): Add calls.pass_by_reference.
        * target-def.h (TARGET_PASS_BY_REFERENCE): New.
        * function.c (pass_by_reference): Use the hook.
        * system.h (FUNCTION_ARG_PASS_BY_REFERENCE): Poison.
        * targhooks.c, targhooks.h (hook_pass_by_reference_false): New.
        (hook_pass_by_reference_must_pass_in_stack): New.
        * config/alpha/alpha.c (function_arg): Don't query pass-by-ref.
        (alpha_pass_by_reference): New.
        (TARGET_PASS_BY_REFERENCE): New.
        * config/alpha/alpha.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        * config/arc/arc.c (arc_pass_by_reference): New.
        (TARGET_PASS_BY_REFERENCE): New.
        * config/arc/arc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        (FUNCTION_ARG_CALLEE_COPIES): True.
        * config/arm/arm-protos.h (arm_function_arg_pass_by_reference): Remove.
        * config/arm/arm.c (TARGET_PASS_BY_REFERENCE): New.
        (arm_pass_by_reference): Rename from arm_function_arg_pass_by_reference.
        * config/arm/arm.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        * config/c4x/c4x.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        * config/cris/cris.c (cris_pass_by_reference): New.
        (TARGET_PASS_BY_REFERENCE): New.
        * config/cris/cris.h (FUNCTION_ARG): Don't query pass-by-ref.
        (FUNCTION_INCOMING_ARG, FUNCTION_ARG_ADVANCE): Likewise.
        (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        * config/fr30/fr30.c (TARGET_PASS_BY_REFERENCE): New.
        * config/fr30/fr30.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        * config/frv/frv-protos.h (frv_function_arg_pass_by_reference): Kill.
        * config/frv/frv.c (TARGET_PASS_BY_REFERENCE): New.
        (frv_function_arg_pass_by_reference): Remove.
        * config/frv/frv.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        * config/i386/i386-protos.h (function_arg_pass_by_reference): Remove.
        * config/i386/i386.c (TARGET_PASS_BY_REFERENCE): New.
        (ix86_pass_by_reference): Rename from function_arg_pass_by_reference.
        * config/i386/i386.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        * config/ia64/ia64-protos.h (ia64_function_arg_pass_by_reference): Kill.
        * config/ia64/ia64.c (TARGET_PASS_BY_REFERENCE): New.
        (ia64_pass_by_reference): Rename from
        ia64_function_arg_pass_by_reference.
        * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        * config/ip2k/ip2k.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        * config/iq2000/iq2000-protos.h (function_arg_pass_by_reference): Kill.
        * config/iq2000/iq2000.c (TARGET_PASS_BY_REFERENCE): New.
        (iq2000_pass_by_reference): Rename from function_arg_pass_by_reference.
        * config/iq2000/iq2000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
        * config/m32r/m32r-protos.h (m32r_pass_by_reference): Remove.
        * config/m32r/m32r.c (TARGET_PASS_BY_REFERENCE): New.
        (m32r_pass_by_reference): Adjust prototype.  Make static.
        Handle mode sizes correctly.
        * config/m32r/m32r.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c
        (m68hc11_function_arg_pass_by_reference): Remove.
        * config/m68hc11/m68hc11.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
        * config/mcore/mcore.c (TARGET_PASS_BY_REFERENCE): New.
        * config/mcore/mcore.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        * config/mips/mips-protos.h (function_arg_pass_by_reference): Remove.
        * config/mips/mips.c (TARGET_PASS_BY_REFERENCE): New.
        (mips_va_arg): Use pass_by_reference.
        (mips_pass_by_reference): Rename from function_arg_pass_by_reference.
        Handle mode sizes correctly.
        * config/mips/mips.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        (FUNCTION_ARG_CALLEE_COPIES): Don't reference pass-by-ref.
        * config/mmix/mmix-protos.h (mmix_function_arg_pass_by_reference): Kill.
        * config/mmix/mmix.c (TARGET_PASS_BY_REFERENCE): New.
        (mmix_pass_by_reference): Rename from
        mmix_function_arg_pass_by_reference.
        * config/mmix/mmix.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        (FUNCTION_ARG_CALLEE_COPIES): True.
        * config/mn10300/mn10300.c (TARGET_PASS_BY_REFERENCE): New.
        (mn10300_pass_by_reference): New.
        * config/mn10300/mn10300.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        (FUNCTION_ARG_CALLEE_COPIES): True.
        * config/pa/pa.c (pa_pass_by_reference): New.
        (TARGET_PASS_BY_REFERENCE): New.
        * config/pa/pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        (FUNCTION_ARG_CALLEE_COPIES): True.
        * config/rs6000/rs6000-protos.h (function_arg_pass_by_reference): Kill.
        * config/rs6000/rs6000.c (TARGET_PASS_BY_REFERENCE): New.
        (rs6000_pass_by_reference): Rename from function_arg_pass_by_reference.
        * config/rs6000/rs6000.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        * config/s390/s390-protos.h (s390_function_arg_pass_by_reference): Kill.
        * config/s390/s390.c (TARGET_PASS_BY_REFERENCE): New.
        (s390_pass_by_reference): Rename from
        s390_function_arg_pass_by_reference.
        (s390_function_arg_advance): Don't query pass-by-ref.
        (s390_function_arg): Likewise.
        (s390_gimplify_va_arg): Use pass_by_reference.
        (s390_call_saved_register_used): Likewise.
        * config/s390/s390.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        * config/sh/sh.c (TARGET_PASS_BY_REFERENCE): New.
        (shcompact_byref, sh_pass_by_reference): New.
        * config/sh/sh.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        (SHCOMPACT_BYREF): Remove.
        * config/sparc/sparc-protos.h (function_arg_pass_by_reference): Kill.
        * config/sparc/sparc.c (TARGET_PASS_BY_REFERENCE): New.
        (sparc_pass_by_reference): Rename from function_arg_pass_by_reference.
        (sparc_gimplify_va_arg): Use pass_by_reference.
        * config/sparc/sparc.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        * config/stormy16/stormy16.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        * config/v850/v850.c (TARGET_PASS_BY_REFERENCE): New.
        (v850_pass_by_reference): New.
        * config/v850/v850.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        (FUNCTION_ARG_CALLEE_COPIES): True.
        * doc/tm.texi (TARGET_PASS_BY_REFERENCE): Update from
        FUNCTION_ARG_PASS_BY_REFERENCE docs.

2004-07-14  Richard Henderson  <rth@redhat.com>
            Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips-protos.h (mips_va_arg): Delete.
        * config/mips/mips.h (EXPAND_BUILTIN_VA_ARG): Delete.
        * config/mips/mips.c: Include tree-gimple.h.
        (TARGET_GIMPLIFY_VA_ARG_EXPR): Define.
        (mips_arg_info): Remove special handling of must_pass_in_stck args.
        (mips_gimplify_va_arg_expr): Rewritten from mips_va_arg.
        (function_arg_pass_by_reference): Return true if must_pass_in_stack.

2004-07-13  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Swap
        arguments for COND_EXPR in big-endian adjustment code.

2004-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa-64.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Delete.
        * pa.h (ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Modify for hppa64.
        * pa32-regs.h (REG_ALLOC_ORDER): Reorder caller-saved registers.
        * pa64-regs.h (REG_ALLOC_ORDER): Likewise.

2004-07-13  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/16443
        * tree-ssa-alias.c: Add more description for
        CALL_CLOBBERED_VARS and ADDRESSABLE_VARS.
        * tree-ssa-operands.c (get_asm_expr_operands): Re-order the
        clobbering of call-clobbered and addressable variables.  If
        there are any before aliases have been computed, add them.

2004-07-13  Diego Novillo  <dnovillo@redhat.com>

        * tree-optimize.c (execute_todo): Flush DUMP_FILE before
        verification.

2004-07-13  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_gimplify_va_arg): Use size_int instead
        of build_int_2.  Convert both operands of PLUS_EXPR and MULT_EXPR
        to the same type.

2004-07-13  Per Bothner  <per@bothner.com>

        * collect2.c (main):  Handle --no-demangle and --demangle flags.

2004-07-13  Sebastian Pop  <pop@cri.ensmp.fr>

        * Makefile.in (OBJS-common): Add tree-data-ref.o.
        (tree-scalar-evolution.o): Add missing dependences on tree-pass.h flags.h.
        (tree-data-ref.o): New rule.
        * lambda.h: New file.
        * tree-data-ref.c: New file.
        * tree-data-ref.h: New file.
        * tree.c (int_cst_value, tree_fold_gcd): New functions.
        * tree.h (int_cst_value, tree_fold_gcd): Declared here.

2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/13926
        * config/sparc/sparc-protos.h (output_ubranch): New prototype.
        * config/sparc/sparc.c (output_ubranch): New function.
        * config/sparc/sparc.md (jump pattern): Use it.

2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/16494
        * config/sparc/sparc.c (output_cbranch): Properly guard
        the code handling far branches with TARGET_V9.
        * config/sparc/sparc.md (length attribute): Document the
        side-effect of having a length greater or equal to 3.

2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
            Lloyd Parkes  <lloyd@must-have-coffee.gen.nz>

        PR target/15186
        * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Pass
        /usr/ucblib/sparcv9 as -R path when -compat-bsd is specified.

2004-07-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
            Martin Sebor  <sebor@roguewave.com>

        PR target/12602
        * doc/invoke.texi (SPARC options): Document -threads
        and -pthreads on Solaris.

2004-07-13  Richard Henderson  <rth@redhat.com>

        * builtins.c (std_gimplify_va_arg_expr): Handle types passed
        by reference.
        (ind_gimplify_va_arg_expr): Remove.
        * tree.h (ind_gimplify_va_arg_expr): Remove.
        * config/pa/pa.c (hppa_gimplify_va_arg_expr): Don't use it.
        * config/mmix/mmix.c (mmix_function_arg_pass_by_reference): Allow
        argsp to be null.

        * config/arc/arc.c (arc_gimplify_va_arg_expr): Remove.
        (TARGET_GIMPLIFY_VA_ARG_EXPR): Remove.
        * config/cris/cris.c, config/fr30/fr30.c, config/frv/frv.c,
        config/iq2000/iq2000.c, config/m32r/m32r.c, config/mmix/mmix.c,
        config/mn10300/mn10300.c, config/v850/v850.c: Similarly.

2004-07-13  Richard Henderson  <rth@redhat.com>

        * function.c (pass_by_reference): New.
        (assign_parm_find_data_types): Use it.
        * calls.c (initialize_argument_information): Likewise.
        (emit_library_call_value_1): Likewise.
        * expr.h (FUNCTION_ARG_PASS_BY_REFERENCE): Remove.
        * function.h (pass_by_reference): Declare.

2004-07-13  Richard Henderson  <rth@redhat.com>

        * target-def.h (TARGET_MUST_PASS_IN_STACK): New.
        * target.h (struct gcc_target): Add calls.must_pass_in_stack.
        * expr.h (MUST_PASS_IN_STACK): Remove.
        * system.h (MUST_PASS_IN_STACK): Poison.
        * tree.h (must_pass_in_stack_var_size): Declare.
        (must_pass_in_stack_var_size_or_pad): Declare.
        * calls.c (must_pass_in_stack_var_size): New.
        (must_pass_in_stack_var_size_or_pad): Rename from
        default_must_pass_in_stack.
        * config/alpha/alpha.c (unicosmk_must_pass_in_stack): New.
        (TARGET_MUST_PASS_IN_STACK): New.
        * config/alpha/unicosmk.h (MUST_PASS_IN_STACK): Remove.
        * config/fr30/fr30.c (fr30_must_pass_in_stack): New.
        (TARGET_MUST_PASS_IN_STACK): New.
        * config/fr30/fr30.h (MUST_PASS_IN_STACK): Remove.
        * config/frv/frv.c (frv_must_pass_in_stack): New.
        (TARGET_MUST_PASS_IN_STACK): New.
        * config/frv/frv.h (MUST_PASS_IN_STACK): Remove.
        * config/i386/i386-protos.h (ix86_must_pass_in_stack): Remove.
        * config/i386/i386.c (TARGET_MUST_PASS_IN_STACK): New.
        (ix86_must_pass_in_stack): Make static.
        * config/i386/i386.h (MUST_PASS_IN_STACK): Remove.
        * config/ia64/ia64.c (TARGET_MUST_PASS_IN_STACK): New.
        * config/ia64/ia64.h (MUST_PASS_IN_STACK): Remove.
        * config/m32r/m32r.c (TARGET_MUST_PASS_IN_STACK): New.
        * config/m32r/m32r.h (MUST_PASS_IN_STACK): Remove.
        * config/mcore/mcore-protos.h (mcore_must_pass_on_stack): Remove.
        * config/mcore/mcore.c (TARGET_MUST_PASS_IN_STACK): New.
        (mcore_must_pass_on_stack): Remove.
        * config/mcore/mcore.h (MUST_PASS_IN_STACK): Remove.
        * config/mips/mips.c (TARGET_MUST_PASS_IN_STACK): New.
        * config/mips/mips.h (MUST_PASS_IN_STACK): Remove.
        * config/pa/pa.c (TARGET_MUST_PASS_IN_STACK): New.
        * config/pa/pa.h (MUST_PASS_IN_STACK): Remove.
        * config/rs6000/aix.h (MUST_PASS_IN_STACK): Remove.
        * config/rs6000/linux64.h (MUST_PASS_IN_STACK): Remove.
        * config/rs6000/rs6000.c (rs6000_must_pass_in_stack): New.
        (TARGET_MUST_PASS_IN_STACK): New.
        * config/sh/sh.c (TARGET_MUST_PASS_IN_STACK): New.
        * config/sh/sh.h (MUST_PASS_IN_STACK): Remove.
        * config/sparc/sparc.c (TARGET_MUST_PASS_IN_STACK): New.
        * config/sparc/sparc.h (MUST_PASS_IN_STACK): Remove.
        * config/xtensa/xtensa.c (TARGET_MUST_PASS_IN_STACK): New.
        * config/xtensa/xtensa.h (MUST_PASS_IN_STACK): Remove.
        * doc/tm.texi (TARGET_MUST_PASS_IN_STACK): Update from
        MUST_PASS_IN_STACK.

        * calls.c, function.c, config/alpha/alpha.c, config/alpha/alpha.h,
        config/alpha/unicosmk.h, config/alpha/vms.h, config/c4x/c4x.c,
        config/cris/cris.h, config/fr30/fr30.c, config/fr30/fr30.h,
        config/frv/frv.c, config/i386/i386.c, config/iq2000/iq2000.c,
        config/mcore/mcore.c, config/mcore/mcore.h, config/mips/mips.c,
        config/mmix/mmix.c, config/mmix/mmix.h, config/rs6000/rs6000.c,
        config/sh/sh.c, config/sh/sh.h, config/stormy16/stormy16.c,
        config/xtensa/xtensa.c: Use target hook.

2004-07-13  Anthony Heading  <aheading@jpmorgan.com>

        * configure.ac (gcc_cv_as_offsetable_lo10): Fix a typo.
        * configure: Rebuilt.

2004-07-13  Richard Sandiford  <rsandifo@redhat.com>

        * doc/invoke.texi: Remove documentation for MIPS -mrnames option.
        * config/mips/mips.h (mips_reg_names): Don't declare.
        (MASK_NAME_REGS): Delete.  Shuffle other MASK_* values down.
        (TARGET_NAME_REGS): Delete.
        (TARGET_SWITCHES): Remove -mrnames.
        (REGISTER_NAMES): Initialise with the old contents of mips_reg_names[].
        (ADDITIONAL_REGISTER_NAMES): Remove entries for names mentioned
        in REGISTER_NAMES.
        * config/mips/mips.c (mips_reg_names, mips_sw_reg_names): Delete.
        (override_options): Remove handling of TARGET_NAME_REGS.

2004-07-13  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (TARGET_*): Boolify.

2004-07-12  Nick Clifton  <nickc@redhat.com>

        * config.gcc: Add sh-*-symbianelf target.
        * config/sh/sh.c: Add new target macros:
        TARGET_ENCODE_SECTION_INFO, TARGET_STRIP_NAME_ENCODING,
        TARGET_CXX_IMPORT_EXPORT_CLASS.
        (sh_file_start): Create a definition of the .directive section.
        (sh_attribute): Add dllimport and dllexport attributes.
        * config/sh/symbian-pre.h: New file.
        * config/sh/symbian-post.h: New file.
        * config/sh/symbian.c: New file. Contains Symbian specific
        functions.
        * config/sh/sh-protos.h: Add prototypes for new functions
        provided by symbian.c.
        * config/sh/t-symbian: New file.
        * doc/extend.texi: Document support for dllimport and dllexport
        attributes by the sh-symbianelf target.

2004-07-12  James E Wilson  <wilson@specifixinc.com>

        * Makefile.in (AR): Use @AR@ not ar.
        (NM): New.
        (AR_FOR_TARGET): Use $(AR) not ar for native.
        (NM_FOR_TARGET): Use $(NM) not nm for native.
        * configure.ac: Add AC_CHECK_PROG calls for NM and AR.
        * configure: Regenerate.

2004-07-12  David S. Miller  <davem@nuts.davemloft.net>

        * config/sparc/sparc.md (ashlsi3): Eliminate const 1
        special case.
        (ashldi3_sp64): Likewise.

2004-07-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/16477
        * pa.c (function_arg): Update comment.
        * pa.h (BLOCK_REG_PADDING): Define.

2004-07-12  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        PR tree-optimization/16461
        * tree-tailcall.c (independent_of_stmt_p): Handle non-SSA name
        arguments of phi nodes.

2004-07-12  Devang Patel  <dpatel@apple.com>

        * doc/invoke.texi (Darwin Options): Document -gused and -gfull.

2004-07-12  Steve Ellcey  <sje@cup.hp.com>

        * function.c (expand_function_start): Ensure r_save is in Pmode.
        * calls.c (prepare_call_address): Ensure static_chain_value is
        in Pmode.
        * builtins.c (expand_builtin_nonlocal_goto): Ensure r_label and
        r_save_area are in Pmode.
        * config/ia64/ia64.c (ia64_initialize_trampoline): Ensure addr,
        fnaddr, and static_chain are in Pmode.

2004-07-12  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/16445
        * config/ia64/ia64.c (bundling): Don't count ignored insns.

2004-07-12  Richard Henderson  <rth@redhat.com>

        * target.h (struct gcc_target): Move gimplify_va_arg_expr
        next to build_builtin_va_list.
        * target-def.h (TARGET_GIMPLIFY_VA_ARG_EXPR): Update to match.
        * builtins.c (gimplify_va_arg_expr): Likewise.
        * gimplify.c (copy_if_shared_r): Likewise.

2004-07-12  Alexandre Oliva  <aoliva@redhat.com>

        * passes.c (rest_of_decl_compilation): Don't defer call of
        assemble_variable if its DECL_RTL is already set.

2004-07-12  Sebastian Pop  <pop@cri.ensmp.fr>

        * cfgloop.h (struct loop): Add nb_iterations field.
        (current_loops): Declare.
        * tree-chrec.c (chrec_not_analyzed_yet,
        chrec_dont_know, chrec_known, count_ev_in_wider_type,
        chrec_contains_symbols_defined_in_loop): Remove the temporary
        hooks.
        * tree-flow-inline.h (loop_containing_stmt): New function.
        * tree-scalar-evolution.c: Add implementation.
        * tree-scalar-evolution.h: Add declarations.

2004-07-12 Vladimir Makarov <vmakarov@redhat.com>

        PR rtl-optimization/15921
        * Makefile.in (global.o): Add recog.h.

        * global.c (recog.h): Add the include-clause.
        (bb_info): New member earlyclobber.
        (allocate_bb_info, free_bb_info): Initialize/finish the new
        member.
        (earlyclobber_regclass, earlyclobber_regclass_length): The new
        global variables.
        (check_earlyclobber, regclass_intersect,
        mark_reg_use_for_earlyclobber, mark_reg_use_for_earlyclobber_1):
        New functions.
        (calculate_local_reg_bb_info): Calculate value of earlyclobber.
        (make_accurate_live_analysis): Modify pavin.

2004-07-12  Diego Novillo  <dnovillo@redhat.com>

        * tree-cfg.c (find_taken_edge): Statically compute the truth
        value of a predicate comparing an SSA_NAME to itself.

2004-07-12  Roger Sayle  <roger@eyesopen.com>

        * config/rs6000/rs6000.c (rs6000_rtx_costs): Indicate that the
        rs6000 doesn't have shift-and-add or shift-and-sub instructions
        by returning the cost of a multiplication plus an addition.

2004-07-12  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/14107
        * gimplify.c (gimplify_return_expr): Accept a
        RETURN_EXPR with an error argument.
        * tree-optimize.c (init_tree_optimization_passes):
        Run pass_warn_function_return at -O0.

2004-07-12  Roger Sayle  <roger@eyesopen.com>

        * doc/invoke.texi: Correct -fasynchronous-unwind-tables option
        index entry.

2004-07-12  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_use_dfa_pipeline_interface): Delete.
        (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
        * config/mips/3000.md: Add copyright notice.  Remove automota and
        function units; use generic ones instead.  Only define reservations
        for things that are different from generic.md.  Extend each clause
        to include r3900.
        * config/mips/{4000,4100,4300,4600,5000,6000,generic}.md: New files.
        * config/mips/mips.md: Include them. Remove define_function_units.
        (alu, imuldiv): New automata and units.

2004-07-12  Ben Elliston  <bje@au.ibm.com>

        * doc/invoke.texi (Optimize Options): Document -frename-registers
        not being enabled by default at -O3.

2004-07-11  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold) <PLUS_EXPR>: Canonicalize X + -C as X - C for
        floating point additions, to keep real immediate constant positive.
        <MINUS_EXPR>:  For floating point subtractions, only transform X - -C
        into X + C, and leave positive real constants as X - C.

2004-07-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (hppa_gimplify_va_arg_expr): Remove comment.

2004-07-11  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        PR tree-optimization/15654
        * tree-tailcall.c (eliminate_tail_call): Remove unreachable code.

2004-07-11  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (fold_builtin_fputs): Don't bother converting the
        return type to integer_type_node, as we've already checked that
        the result will be ignored.

        * tree-eh.c (tree_could_trap_p): Add support for -ftrapv such
        that signed addition, subtraction, multiplication, division,
        remainder, negation and absolute value may potentially trap.

        * fold-const.c (fold_ignored_result): New function to strip
        non-side-effecting tree nodes from an expression whose result
        is ignored.
        (fold_convert): Call fold_ignored_result when casting a value
        to VOID_TYPE.
        (omit_one_operand):  Call fold_ignored_result on the "omitted"
        operand when building a COMPOUND_EXPR.
        (pedantic_omit_one_operand): Likewise.
        * tree.h (fold_ignored_result): Prototype here.
        * tree-ssa-ccp.c (ccp_fold_builtin): Call fold_ignored_result
        when we're going to ignore the result.

2004-07-11  Richard Henderson  <rth@redhat.com>

        PR tree-opt/16383
        * tree-ssa-ccp.c (fold_stmt_r): Split out...
        * tree.c (fields_compatible_p, find_compatible_field): ... new.
        * tree.h (fields_compatible_p, find_compatible_field): Declare.
        * tree-sra.c (sra_hash_tree): Hash fields by offset.
        (sra_elt_eq): Use fields_compatible_p.
        (generate_one_element_ref): Use find_compatible_field.

2004-07-11  Richard Henderson  <rth@redhat.com>

        PR tree-opt/16422
        * tree-sra.c (generate_one_element_init): New.
        (generate_element_init): Use it.
        (scalarize_init): Push/pop gimplify context around it.
        (find_new_referenced_vars_1, find_new_referenced_vars): New.
        * gimplify.c (gimplify_expr): Allow SSA_NAME.

2004-07-11  Roger Sayle  <roger@eyesopen.com>

        * rtlanal.c (insn_rtx_cost): New function, moved and renamed from
        combine.c's combine_insn_cost.
        * rtl.h (insn_rtx_cost): Prototype here.
        * combine.c (combine_insn_cost): Delete function.
        (combine_validate_cost): Update callers of combine_insn_cost to
        call insn_rtx_cost instead.
        (combine_instructions): Likewise.  Use NONJUMP_INSN_P to avoid
        requesting the rtx_cost of call and/or jump instructions.

        * ifcvt.c (total_bb_rtx_cost): Use insn_rtx_cost instead of calling
        rtx_cost directly.  Don't request/use the cost of call or jump
        instructions.  Return -1 if the cost of any instruction can't be
        determined (or the BB contains a function call).
        (find_if_case_1): Abort transformation if total_bb_rtx_cost returns
        -1 (i.e. can't determine the cost of any instruction or the basic
        block contains a subroutine call).
        (find_if_case_2): Likewise.

2004-07-11  Roger Sayle  <roger@eyesopen.com>

        * rs6000.c (struct processor_costs): Change semantics of fields to
        include the COST_N_INSNS scaling, and update all initializers.
        (rs6000_rtx_costs): Don't use COSTS_N_INSNS on rs6000_cost fields.
        Use COSTS_N_INSNS(1) for NOT, SIGN_EXTEND, ZERO_EXTEND and COMPARE.
        Use rs6000_cost->fp for both FLOAT_TRUNCATE and UNSPEC_FRSP.  When
        optimizing for size, use COSTS_N_INSNS(1) for CALL and IF_THEN_ELSE.

2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>

        * LANGUAGES: Remove obsolete information.

2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): For SIGSEGV and
        SIGBUS signal frames, the PSW address points *to* the faulting
        instruction, not after it.

2004-07-11  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (legitimize_tls_address): Handle constant offsets
        added to TLS symbol addresses.

2004-07-11  Richard Henderson  <rth@redhat.com>

        * expmed.c (init_expmed): Use stack-local structures for
        temporary rtl.  Don't recognize shifts.

2004-07-11  Richard Henderson  <rth@redhat.com>

        * expr.c (store_expr): Don't fiddle subreg promotion for types
        with precision smaller than the mode.

2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>

        * tree.h (all_types_permanent): Remove.

2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>

        * langhooks.h (estimate_num_insns, pushlevel, poplevel, set_block,
        maybe_build_cleanup, update_decl_after_saving): Remove hooks.
        * langhooks.c (lhd_clear_binding_stack): Remove.
        * langhooks-def.h (lhd_clear_binding_stack,
        LANG_HOOKS_MAYBE_BUILD_CLEANUP,
        LANG_HOOKS_UPDATE_DECL_AFTER_SAVING,
        LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS, LANG_HOOKS_PUSHLEVEL,
        LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
        (LANG_HOOKS_CLEAR_BINDING_STACK): Define to lhd_do_nothing.
        * system.h (LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS,
        LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_SET_BLOCK,
        LANG_HOOKS_MAYBE_BUILD_CLEANUP,
        LANG_HOOKS_UPDATE_DECL_AFTER_SAVING, LANG_HOOKS_POPLEVEL): Poison.
        * tree.h (poplevel): Don't declare.
        * c-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK, LANG_HOOKS_PUSHLEVEL,
        LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK): Remove.
        * objc/objc-lang.c (LANG_HOOKS_CLEAR_BINDING_STACK,
        LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
        Remove.

2004-07-11  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR tree-optimization/16437
        * c-common.c (shorten_compare): Don't mark result of conversion to
        narrower signed type as overflowing.
        * fold-const.c (decode_field_reference): Determine whether
        signedness comes from outer type using precision rather than size.

2004-07-11  Phil Edwards  <phil@codesourcery.com>

        * configure.ac:  Alphabetize --enable-checking list, add
        missing valgrind entry.
        * configure:  Regenerate.

2004-07-11  Phil Edwards  <phil@codesourcery.com>

        * doc/install.texi (Testing):  Fix syntax in "make check" example.

2004-07-10  James E Wilson  <wilson@specifixinc.com>

        * config/gofast.h (gofast_maybe_init_libfuncs): Use SImode for litodp.

2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        PR rtl-optimization/16001
        * loop-iv.c (iv_number_of_iterations): Prevent copy propagation in
        niter_expr.

2004-07-10  Geoffrey Keating  <geoffk@apple.com>

        * config/darwin.h (LINK_COMMAND_SPEC): Don't call c++filt.

2004-07-10  Steve Kargl  <sgk@troutmask.apl.washington.edu>
            James Morrison  <phython@gcc.gnu.org>

        * doc/contrib.texi (Contributors): Add gfortran contributors and
        fix a couple of typos.

2004-07-10  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        PR rtl-optimization/15387
        * calls.c (check_sibcall_argument_overlap_1): Handle pointers
        to incoming args space correctly.

2004-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (output_indirect_call): Only use %r2 as the link register in
        indirect calls with the long PA 2.0 pc-relative branch.

2004-07-10  Daniel Jacobowitz  <dan@debian.org>

        * config/i386/i386.c (override_options): Pick a 64-bit CPU
        for the default tuning if TARGET_64BIT.

2004-07-10  Richard Henderson  <rth@redhat.com>

        * builtins.c (std_gimplify_va_arg_expr): Widen align/boundary
        to HOST_WIDE_INT.  Fold pad-args-down arithmetic.

2004-07-10  Jakub Jelinek  <jakub@redhat.com>

        * expr.h (store_bit_field, extract_bit_field): Remove last argument.
        * expmed.c (store_bit_field, extract_bit_field): Remove last
        argument.
        * builtins.c (expand_builtin_signbit): Adjust callers.
        * optabs.c (expand_vector_binop, expand_vector_unop): Likewise.
        * calls.c (store_unaligned_arguments_into_pseudos): Likewise.
        * ifcvt.c (noce_emit_move_insn): Likewise.
        * stmt.c (expand_return): Likewise.
        * expr.c (emit_group_load, emit_group_store, copy_blkmode_from_reg,
        store_field, expand_expr_real_1): Likewise.

2004-07-10  Richard Henderson  <rth@redhat.com>

        * builtins.c (std_gimplify_va_arg_expr): Fix borked BIT_AND_EXPR.

2004-07-09  Mike Stump  <mrs@apple.com>

        * config/darwin.c (no_dead_strip): Add.
        (HAVE_DEAD_STRIP): Add.
        (darwin_emit_unwind_label): Ensure that we don't dead code strip
        the .eh label.

2004-07-09  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * tree-ssa-loop-im.c: New file.
        * Makefile.in (tree-ssa-loop-im.o): Add.
        * cfgloop.c (superloop_at_depth): New function.
        * cfgloop.h (superloop_at_depth): Declare.
        * common.opt (ftree-lim): New flag.
        * expr.c (array_ref_up_bound): New function.
        * params.def (PARAM_LIM_EXPENSIVE): New parameter.
        * timevar.def (TV_LIM): New timevar.
        * tree-dfa.c (compute_immediate_uses): Respect TDFA_USE flags when
        computing immediate uses of a phi node.
        * tree-flow.h (struct tree_ann_common_d): Add aux field.
        (loop_commit_inserts, for_each_index, tree_ssa_lim): Declare.
        * tree-optimize.c (init_tree_optimization_passes): Add pass_lim.
        * tree-pass.h (pass_lim): Declare.
        * tree-ssa-loop.c (tree_ssa_loop_im, gate_tree_ssa_loop_im): New
        functions.
        (pass_lim): New pass structure.
        * tree-eh.c (tree_could_trap_p): Handle ARRAY_REFs correctly.
        * tree.c (in_array_bounds_p): New function.
        * tree.h (TREE_THIS_NOTRAP): Define also for ARRAY_REFs.
        (in_array_bounds_p, array_ref_up_bound): Declare.
        * doc/invoke.texi (-ftree-lim, --param lim-expensive): Document.
        * doc/passes.texi (tree-ssa-loop-im.c): Document.

2004-07-09  Richard Henderson  <rth@redhat.com>

        * builtins.c (expand_builtin_stpcpy): Don't modify len.

        * tree-ssa-ccp.c (ccp_fold_builtin): Strip conversion exprs
        with prejudice.

2004-07-10  Kelley Cook  <kcook@gcc.gnu.org>

        * flags.h: Delete redundant prototypes that are being generated
        in options.h from common.opt.
        * common.opt: Add in the expository comments formerly in flags.h.

2004-07-09  Jan Beulich  <jbeulich@novell.com>

        * config/i386/i386.c (init_cumulative_args): Set mmx/sse registers
        available for use only when TARGET_MMX/_SSE is set, and check for
        variable argument function if any register count is non-zero.
        (function_arg): Correctly suppress repeated warnings for passing SSE
        vectors are arguments without SSE enabled.
        (ix86_function_arg_boundary): Without SSE enabled, the use of what
        would be SSE register modes does no longer influence the alignment.

2004-07-09  Richard Henderson  <rth@redhat.com>

        * builtins.c (std_gimplify_va_arg_expr): Deny ARGS_GROW_DOWNWARD.
        Always align upward to arg boundary.  Use size_in_bytes/round_up.
        Maintain type-correctness of constants.
        * stor-layout.c (round_up, round_down): Special-case powers of 2.

2004-07-09  David S. Miller  <davem@nuts.davemloft.net>

        * config/sparc/sparc.c (*_costs): Scale instruction costs
        by COSTS_N_INSNS.
        (sparc_rtx_costs): Adjust as appropriate.

2004-07-09  Jan Beulich  <jbeulich@novell.com>

        * config/i386/mm3dnow.h: New.
        * config.gcc: Add mm3dnow.h to extra_headers for i?86 and x86-64.

2004-07-09  Richard Henderson  <rth@redhat.com>

        * simplify-rtx.c (simplify_const_relational_operation): Only
        look at bounds of scalar integers.

2004-07-09  Jan Beulich  <jbeulich@novell.com>

        * config/i386/i386.md (sse2_clflush): Use correct operand for clflush.

2004-07-09  Andrew Pinski  <apinski@apple.com>

        * objc/objc-act.c (build_module_descriptor): Mark UOBJC_MODULES_decl as
        always referenced.
        (synth_forward_declarations): Likewise for UOBJC_CLASS_decl and
        UOBJC_METACLASS_decl.

2004-07-09  James E Wilson  <wilson@specifixinc.com>

        PR target/16364
        * config/ia64/ia64.c (ia64_function_arg): For a single element HFA,
        do return a parallel if hfa_mode == XFmode and mode == TImode.

2004-07-09  Jan Beulich  <jbeulich@novell.com>

        * c-typeck.c (build_unary_op): include VECTOR_TYPE in set of codes
        permissible for unary plus.

2004-07-09  Jan Beulich  <jbeulich@novell.com>

        * builtin-types.def (BT_UINT): Rename from BT_UNSIGNED.
        (BT_FN_UINT): Rename from BT_FN_UNSIGNED.
        (BT_FN_PTR_UINT): Rename from BT_FN_PTR_UNSIGNED.
        (BT_ULONG, BT_ULONGLONG, BT_UINTMAX, BT_FN_INT_UINT, BT_FN_INT_ULONG,
        BT_FN_INT_ULONGLONG, BT_FN_INT_INTMAX, BT_FN_INT_UINTMAX): New.
        * builtins.def (BUILTIN_CLZxxx, BUILTIN_CTXxxx, BUILTIN_PARITYxxx,
        BUILTIN_POPCOUNTxxx): Arguments are unsigned.
        (BUILTIN_xxxIMAX): New.
        * builtins.c (expand_builtin): Handle BUILT_IN_FFSIMAX,
        BUILT_IN_CLZIMAX, BUILT_IN_CTZIMAX, BUILT_IN_POPCOUNIMAX, and
        BUILT_IN_PARITYIMAX.

2004-07-09  David S. Miller  <davem@nuts.davemloft.net>

        * config/sparc/sparc.h (processor_costs): Define.
        (sparc_costs): Declare.
        * config/sparc/sparc.c (cypress_costs, supersparc_costs,
        hypersparc_costs, sparclet_costs, ultrasparc_costs,
        ultrasparc3_costs): New.
        (sparc_override_options): Set sparc_costs as appropriate.
        (sparc_rtx_costs): Use sparc_costs instead of messy
        conditionals.

2004-07-09  Steven Bosscher  <stevenb@suse.de>

        * doc/md.texi (Processor pipeline description): Mention that
        the old pipeline description is deprecated.

        * config/rs6000/7450.md (automaton ppc7450): Split up, move
        mciu_7450 function unit to...
        (automaton ppc7450mciu): ...new automaton.

        * haifa-sched.c (insert_schedule_bubbles_p): Remove.
        (schedule_block): Don't consider inserting bubbles.
        (sched_init): Don't initialize DFA bubbles.
        * target-def.h (TARGET_SCHED_INIT_DFA_BUBBLES,
        TARGET_SCHED_DFA_BUBBLE): Remove.
        * target.h (init_dfa_bubbles, dfa_bubble): Remove hooks.
        * doc/tm.texi (TARGET_SCHED_INIT_DFA_BUBBLES,
        TARGET_SCHED_DFA_BUBBLE): Remove documentation.

        * stmt.c (conditional_context): Remove prototype.
        * tree.h (conditional_context): Remove.
        * tree-cfg.c (pre_insert_on_edge): Remove.

        * c-common.h (c_expand_asm_operands): Remove prototype.
        * c-typeck.c (c_expand_asm_operands): Remove.

2004-07-09  Jan Beulich  <jbeulich@novell.com>

        * config/i386/i386.c (classify_argument): Treat V1xx modes the same as
        their base modes. CTImode, TCmode, and XCmode must be passed in memory.
        TFmode (__float128) must be is an SSE/SSEUP pair. V2SImode, V4HImode,
        and V8QI are class SSE. All sufficiently small remaining vector modes
        must be passed in one or two integer registers.
        (ix86_libcall_value): TFmode must be returned in xmm0, XCmode must be
        returned in memory.
        (bdesc_2arg, ix86_init_mmx_sse_builtins): __builtin_ia32_pmuludq and
        __builtin_ia32_pmuludq128 have non-uniform argument and return types
        and must thus be handled explicitly.
        * config/i386/i386.md (*movdi_1_rex64): Add cases for moving between
        MMX and XMM regs.
        (movv8qi_internal, movv4hi_internal, movv2si_internal,
        movv2sf_internal): Permit moving between MMX and XMM registers (since
        MMX areguments and return values are passed in XMM registers).
        (sse2_umulsidi3): Correct type and mode.

2004-07-09  Richard Henderson  <rth@redhat.com>

        * tree-cfg.c (dump_cfg_stats): Fix 64-bit format mismatch errors.

2004-07-09  Eric Christopher  <echristo@redhat.com>

        * config/rs6000/40x.md: Split into two automatons.

2004-07-09  Zack Weinberg  <zack@codesourcery.com>
            Andrew Pinski  <apinski@apple.com>

        * c-opts.c (c_common_post_options): Force unit-at-a-time mode
        on when we have more than one input file.
        (c_common_parse_file): Restore loop over all input files.
        Clarify diagnostic for -dy when YYDEBUG wasn't defined.

        * c-decl.c (set_type_context): New function.
        (pop_scope): Use it to set context of types.  When we
        encounter a TYPE_DECL, set the context of the attached type too.
        (pop_file_scope): Don't call cpp_undef_all here.
        (diagnose_mismatched_decls): Do not complain about a second
        definition of an 'extern inline' function if it's not in the
        same translation unit.  Do not complain about inline
        declaration after use if the use was in a different
        translation unit.
        (merge_decls): Don't clobber olddecl's DECL_CONTEXT.
        (pushdecl): Do not put DECL_EXTERNAL, !TREE_PUBLIC decls in
        the external scope.
        (pushdecl_top_level): Likewise.
        (grokdeclarator): Clarify what is going on with setting
        DECL_EXTERNAL on function types, a little.
        (c_write_global_declarations): Don't do anything if
        -fsyntax-only or errors have been encountered.

2004-07-09  Zack Weinberg  <zack@codesourcery.com>

        * vec.c, vec.h (vec_assert_fail): Use unsigned int for LINE argument.

2004-07-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/16459
        * pa.c (output_indirect_call): Use %r2 as the link register when
        calling $$dyncall with a pc-relative branch.

2004-07-08  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Binaries): Mention OpenPKG.

2004-07-09  Diego Novillo  <dnovillo@redhat.com>

        Fix PR tree-optimization/15555
        * tree-dfa.c (dump_variable): If the variable is a pointer
        SSA_NAME, also dump its points-to information.
        * tree-flow.h (struct ptr_info_def): Add field
        is_dereferenced.
        (dump_points_to_info_for): Declare.
        (debug_points_to_info_for): Declare.
        * tree-optimize.c (init_tree_optimization_passes): Add a
        second alias analysis pass after DOM2.
        Move pass_del_pta to a later spot.
        * tree-ssa-alias.c (compute_points_to_and_addr_escape): Do not
        create a name tags when we find a dereferenced pointer.  Just
        mark the pointer dereferenced.
        (collect_points_to_info_for): Move code to clear points-to
        information to create_name_tags.
        (create_name_tags): New function.
        (compute_flow_sensitive_aliasing): Call it.
        (setup_pointers_and_addressables): Mark type tags for renaming
        here instead of ...
        (create_memory_tag): ... here.
        (merge_pointed_to_info): Do not merge PT_MALLOC attributes.
        (dump_points_to_info_for): Declare extern.
        (debug_points_to_info_for): New function.

2004-07-09  Paolo Bonzini  <bonzini@gnu.org>

        * config/arc/arc.md: Switch to DFA-based scheduler description.
        * config/arc/arc.c: Switch to DFA-based scheduler description.

2004-07-09  Richard Earnshaw  <rearnsha@arm.com>

        * arm/unknown-elf.h (TARGET_DEFAULT): Don't require an APCS frame
        pointer.

2004-07-09  Richard Henderson  <rth@redhat.com>

        * config/xtensa/xtensa-protos.h (xtensa_va_arg): Remove.
        * config/xtensa/xtensa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
        (xtensa_gimplify_va_arg_expr): Rewrite from xtensa_va_arg.
        * config/xtensa/xtensa.h (EXPAND_BUILTIN_VA_ARG): Remove.

        * config/v850/v850-protos.h (v850_va_arg): Remove.
        * config/v850/v850.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
        (v850_gimplify_va_arg_expr): Rewrite from v850_va_arg.
        * config/v850/v850.h (EXPAND_BUILTIN_VA_ARG): Remove.
        (FUNCTION_ARG_PASS_BY_REFERENCE): Handle variable size types.
        (FUNCTION_ARG_CALLEE_COPIES): Use FUNCTION_ARG_PASS_BY_REFERENCE.

2004-07-09  Richard Earnshaw  <rearnsha@arm.com>

        PR target/12133
        * arm.c (arm_legitimate_index_p) Allow DFmode for soft-float
        and DImode to use +/-4k offset.

2004-07-09  Richard Henderson  <rth@redhat.com>

        * config/stormy16/stormy16-protos.h (xstormy16_expand_builtin_va_arg):
        Remove.
        * config/stormy16/stormy16.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
        (xstormy16_gimplify_va_arg_expr): Rewrite from
        xstormy16_expand_builtin_va_arg.
        * config/stormy16/stormy16.h (EXPAND_BUILTIN_VA_ARG): Remove.

        * config/sparc/sparc-protos.h (sparc_va_arg): Remove.
        * config/sparc/sparc.c (sparc_gimplify_va_arg): Mark static.

        * config/sh/sh-protos.h (sh_va_arg): Remove.
        * config/sh/sh.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
        (sh_gimplify_va_arg_expr): Rewrite from sh_va_arg.
        * config/sh/sh.h (EXPAND_BUILTIN_VA_ARG): Remove.

        * config/pa/pa-protos.h (hppa_va_arg): Remove.
        * config/pa/pa.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
        (hppa_gimplify_va_arg_expr): Rewrite from hppa_va_arg.
        * config/pa/pa.h (EXPAND_BUILTIN_VA_ARG): Remove.

        * config/mn10300/mn10300-protos.h (mn10300_va_arg): Remove.
        * config/mn10300/mn10300.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
        (mn10300_gimplify_va_arg_expr): Rewrite from mn10300_va_arg.
        * config/mn10300/mn10300.h (EXPAND_BUILTIN_VA_ARG): Remove.

2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.md (return): Rewrite length formula.
        * config/sparc/sparc.c (output_return): Pass 1 as 5th
        argument to final_scan_insn when in a delay slot.
        (output_sibcall): Likewise.

2004-07-09  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_cpp_interwork): New variable.
        (arm_override_options): Set it if TARGET_INTERWORK was on the command
        line.
        * arm.h (arm_cpp_interwork): Declare it.
        (TARGET_CPU_CPP_BUILTINS): Use it to control definition of
        __THUMB_INTERWORK__ in the preprocessor.

2004-07-09  Nathan Sidwell  <nathan@codesourcery.com>

        * vec.h (VEC_T_alloc): Fix MEM_STAT_DECL pasto.

2004-07-09  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/16416
        * config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): New macro.
        Override default settings to account for -m32 and -m64.

2004-07-08  Randolph Chung  <tausq@debian.org>

        * pa32-linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.

2004-07-09  Alexandre Oliva  <aoliva@redhat.com>

        * builtins.c (fold_builtin_strncpy): Make sure len is a constant
        before comparing it as such.

2004-07-08  Richard Henderson  <rth@redhat.com>

        * builtins.c (std_gimplify_va_arg_expr): Hoist valist into a
        temporary.  Use bit arithmetic to align.

2004-07-08  Jerry Quinn  <jlquinn@optonline.net>

        * alias.c (nonlocal_mentioned_p, nonlocal_referenced_p,
        nonlocal_set_p, init_alias_analysis): Use, LABEL_P, JUMP_P, CALL_P,
        NONJUMP_INSN_P, INSN_P, NOTE_P, BARRIER_P.
        * bb-reorder.c (mark_bb_for_unlikely_executed_section,
        add_labels_and_missing_jumps, find_jump_block,
        fix_crossing_unconditional_branches, add_reg_crossing_jump_notes):
        Likewise.
        * bt-load.c (btr_referenced_p, compute_defs_uses_and_gen,
        link_btr_uses, move_btr_def): Likewise.
        * builtins.c (expand_builtin_longjmp, expand_builtin_nonlocal_goto,
        expand_builtin_expect_jump): Likewise.
        * caller-save.c (save_call_clobbered_regs, insert_one_insn): Likewise.
        * calls.c (expand_call, emit_library_call_value_1): Likewise.
        * cfganal.c (forwarder_block_p): Likewise.
        * cfgbuild.c (inside_basic_block_p, count_basic_blocks,
        make_label_edge, rtl_make_eh_edge, make_edges, find_basic_blocks_1,
        find_bb_boundaries): Likewise.
        * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
        merge_blocks_move_predecessor_nojumps,
        merge_blocks_move_successor_nojumps, insns_match_p,
        flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
        try_optimize_cfg): Likewise.
        * cfgexpand.c (expand_block, construct_exit_block): Likewise.
        * cfglayout.c (skip_insns_after_block, label_for_bb,
        record_effective_endpoints, insn_locators_initialize,
        fixup_reorder_chain, update_unlikely_executed_notes): Likewise.
        * cfgmainloop.c (create_loop_notes): Likewise.
        * cfgrtl.c (delete_insn, delete_insn_chain,
        create_basic_block_structure, rtl_delete_block, free_bb_for_insn,
        update_bb_for_insn, rtl_merge_blocks, rtl_can_merge_blocks,
        block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
        redirect_branch_edge, force_nonfallthru_and_redirect,
        rtl_tidy_fallthru_edge, back_edge_of_syntactic_loop_p,
        rtl_split_edge, commit_one_edge_insertion, print_rtl_with_bb,
        update_br_prob_note, rtl_verify_flow_info_1, rtl_verify_flow_info,
        purge_dead_edges, cfg_layout_redirect_edge_and_branch,
        cfg_layout_delete_block, cfg_layout_can_merge_blocks_p,
        cfg_layout_merge_blocks, rtl_block_ends_with_call_p,
        need_fake_edge_p, rtl_flow_call_edges_add): Likewise.
        * combine.c (combine_instructions, can_combine_p, try_combine,
        find_split_point, record_dead_and_set_regs, reg_dead_at_p,
        distribute_notes, distribute_links, insn_cuid): Likewise.
        * cse.c (fold_rtx, cse_insn, cse_around_loop,
        invalidate_skipped_block, cse_set_around_loop,
        cse_end_of_basic_block, cse_main, cse_basic_block,
        cse_condition_code_reg): Likewise.
        * cselib.c (cselib_process_insn): Likewise.
        * ddg.c (create_ddg): Likewise.
        * df.c (df_insn_refs_record, df_bb_rd_local_compute, df_insns_modify):
        Likewise.
        * dwarf2out.c (dwarf2out_stack_adjust, dwarf2out_frame_debug,
        gen_label_die, dwarf2out_var_location): Likewise.
        * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn,
        next_insn, previous_insn, next_nonnote_insn, prev_nonnote_insn,
        last_call_insn, active_insn_p, next_label, prev_label,
        link_cc0_insns, next_cc0_user, try_split, add_insn_after,
        add_insn_before, remove_insn, add_function_usage_to,
        reorder_insns, find_line_note, remove_unnecessary_notes,
        emit_insn_after_1, classify_insn): Likewise.
        * except.c (convert_from_eh_region_ranges_1, emit_to_new_bb_before,
        connect_post_landing_pads, sjlj_mark_call_sites,
        sjlj_emit_function_enter, sjlj_emit_function_exit, reachable_handlers,
        can_throw_internal, can_throw_external, set_nothrow_function_flags,
        convert_to_eh_region_ranges): Likewise.
        * explow.c (optimize_save_area_alloca): Likewise.
        * expr.c (expand_expr_real): Likewise.
        * final.c (insn_current_reference_address, compute_alignments,
        shorten_branches, final, scan_ahead_for_unlikely_executed_note,
        final_scan_insn, output_asm_label, leaf_function_p): Likewise.
        * flow.c (first_insn_after_basic_block_note, delete_dead_jumptables,
        propagate_block_delete_insn, propagate_one_insn,
        init_propagate_block_info, propagate_block, libcall_dead_p,
        mark_set_1, attempt_auto_inc, find_auto_inc, try_pre_increment):
        Likewise.
        * function.c (instantiate_virtual_regs, reorder_blocks_1,
        expand_function_start, expand_function_end, contains,
        thread_prologue_and_epilogue_insns,
        reposition_prologue_and_epilogue_notes): Likewise.
        * gcse.c (constprop_register, bypass_conditional_jumps,
        insert_insn_end_bb, gcse_after_reload): Likewise.
        * genemit.c (gen_expand, gen_split): Likewise.
        * genpeep.c (gen_peephole, main): Likewise.
        * global.c (build_insn_chain): Likewise.
        * graph.c (node_data, print_rtl_graph_with_bb): Likewise.
        * haifa-sched.c (unlink_other_notes, unlink_line_notes,
        get_block_head_tail, no_real_insns_p, rm_line_notes, save_line_notes,
        restore_line_notes, rm_redundant_line_notes, rm_other_notes,
        ok_for_early_queue_removal, set_priorities, sched_init): Likewise.
        * ifcvt.c (count_bb_insns, first_active_insn, last_active_insn,
        cond_exec_process_insns, end_ifcvt_sequence, noce_process_if_block,
        merge_if_block, block_jumps_and_fallthru_p, find_if_block,
        dead_or_predicable): Likewise.
        * integrate.c (try_constants): Likewise.
        * jump.c (rebuild_jump_labels, cleanup_barriers,
        purge_line_number_notes, init_label_info, mark_all_labels,
        squeeze_notes, get_label_before, get_label_after,
        reversed_comparison_code_parts, simplejump_p, pc_set,
        returnjump_p, onlyjump_p, follow_jumps, mark_jump_label,
        delete_barrier, delete_prior_computation, delete_computation,
        delete_related_insns, delete_for_peephole, redirect_jump):
        Likewise.
        * lcm.c (optimize_mode_switching): Likewise.
        * local-alloc.c (validate_equiv_mem, update_equiv_regs, block_alloc):
        Likewise.
        * loop-doloop.c (doloop_valid_p, doloop_optimize): Likewise.
        * loop-invariant.c (find_exits, find_invariants_bb): Likewise.
        * loop-iv.c (simplify_using_assignment): Likewise.
        * loop.c (compute_luids, loop_optimize, scan_loop, libcall_other_reg,
        libcall_benefit, skip_consec_insns, move_movables, prescan_loop,
        find_and_verify_loops, labels_in_range_p, for_each_insn_in_loop,
        loop_bivs_init_find, strength_reduce, check_insn_for_bivs,
        check_insn_for_givs, check_final_value, update_giv_derive,
        basic_induction_var, product_cheap_p, check_dbra_loop,
        loop_insn_first_p, last_use_this_basic_block,
        canonicalize_condition, get_condition, loop_regs_scan, load_mems,
        try_copy_prop, LOOP_BLOCK_NUM, loop_dump_aux): Likewise.
        * modulo-sched.c (doloop_register_get, find_line_note, sms_schedule,
        sms_schedule_by_order): Likewise.
        * optabs.c (emit_no_conflict_block, emit_libcall_block): Likewise.
        * postreload.c (reload_cse_simplify_operands, reload_combine,
        reload_cse_move2add): Likewise.
        * predict.c (can_predict_insn_p, estimate_probability,
        expected_value_to_br_prob, process_note_predictions): Likewise.
        * print-rtl.c (print_rtx, print_rtl, print_rtl_single): Likewise.
        * profile.c (branch_prob): Likewise.
        * ra-build.c (live_out_1, livethrough_conflicts_bb,
        detect_webs_set_in_cond_jump): Likewise.
        * ra-debug.c (ra_print_rtx_object, ra_debug_insns,
        ra_print_rtl_with_bb): Likewise.
        * ra-rewrite.c (insert_stores, rewrite_program2): Likewise.
        * recog.c (next_insn_tests_no_inequality, find_single_use,
        split_all_insns, peephole2_optimize, if_test_bypass_p): Likewise.
        * reg-stack.c (next_flags_user, record_label_references,
        emit_swap_insn, swap_rtx_condition, subst_stack_regs,
        compensate_edge, convert_regs_1): Likewise.
        * regclass.c (scan_one_insn): Likewise.
        * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
        regmove_optimize, fixup_match_1, single_set_for_csa,
        combine_stack_adjustments_for_block): Likewise.
        * regrename.c (build_def_use, copyprop_hardreg_forward_1): Likewise.
        * reload.c (find_reloads, find_reloads_address_1, subst_reloads,
        find_equiv_reg): Likewise.
        * reload1.c (reload, calculate_needs_all_insns, set_label_offsets,
        reload_as_needed, emit_input_reload_insns, do_output_reload,
        delete_output_reload, delete_address_reloads_1, fixup_abnormal_edges):
        Likewise.
        * reorg.c (find_end_label, emit_delay_sequence,
        delete_from_delay_slot, delete_scheduled_jump, optimize_skip,
        get_jump_flags, rare_destination, mostly_true_jump,
        try_merge_delay_insns, redundant_insn, own_thread_p,
        fill_simple_delay_slots, fill_slots_from_thread,
        fill_eager_delay_slots, relax_delay_slots, make_return_insns,
        dbr_schedule): Likewise.
        * resource.c (find_basic_block, next_insn_no_annul,
        find_dead_or_set_registers, mark_target_live_regs): Likewise.
        * rtl.h (RTX_PREV): Likewise.
        * rtlanal.c (global_reg_mentioned_p, no_labels_between_p,
        no_jumps_between_p, reg_used_between_p, reg_referenced_between_p,
        reg_set_p, find_last_value, dead_or_set_regno_p, find_reg_fusage,
        find_regno_fusage, pure_call_p, replace_label, rtx_referenced_p_1,
        tablejump_p, computed_jump_p, insns_safe_to_move_p,
        find_first_parameter_load, can_hoist_insn_p): Likewise.
        * sched-deps.c (get_condition, add_dependence, sched_analyze_2,
        sched_analyze_insn, sched_analyze, add_forward_dependence): Likewise.
        * sched-ebb.c (fix_basic_block_boundaries, add_deps_for_risky_insns,
        schedule_ebbs): Likewise.
        * sched-rgn.c (is_cfg_nonregular, find_conditional_protection,
        is_conditionally_protected, can_schedule_ready_p,
        add_branch_dependences, debug_dependencies): Likewise.
        * stmt.c (emit_nop, expand_start_case, emit_jump_if_reachable):
        Likewise.
        * unroll.c (unroll_loop, copy_loop_body, back_branch_in_range_p,
        reg_dead_after_loop, loop_find_equiv_value, loop_iterations,
        set_dominates_use, ujump_to_loop_cont): Likewise.
        * var-tracking.c (prologue_stack_adjust, vt_initialize): Likewise.
        * varasm.c (output_constant_pool_1): Likewise.

2004-07-08  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * tree-scalar-evolution.c: New file.
        * tree-scalar-evolution.h: New file.
        * tree-ssa-loop-niter.c: New file.
        * Makefile.in (SCEV_H): New.
        (tree-scalar-evolution.o, tree-ssa-loop-niter.o): Add new files.
        * cfgloop.h (struct loop): Add bounds field.
        * tree-flow.h (struct tree_niter_desc): New type.
        (number_of_iterations_cond, number_of_iterations_exit,
        loop_niter_by_eval, find_loop_niter_by_eval,
        estimate_numbers_of_iterations, can_count_iv_in_wider_type,
        free_numbers_of_iterations_estimates): Declare.
        * tree.h (lower_bound_in_type, upper_bound_in_type): Declare.
        * params.def (PARAM_MAX_ITERATIONS_TO_TRACK): New parameter.
        * doc/invoke.texi (max-iterations-to-track): Document.

2004-07-08  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_va_arg): Initinalize lab_over.
        * config/sh/sh.h (CONST_OK_FOR_J16): Use parentheses.
        (MODE_AFTER): Add cast appropriately.
        * config/sh/sh.md (movdi splitter): Likewise.
        (casesi_worker_2): Add const qualifier appropriately.
        (eh_return): Remove unused variable.
        (insv): Initialize v;

2004-07-08  Richard Henderson  <rth@redhat.com>

        * config/mmix/mmix-protos.h (mmix_expand_builtin_va_arg): Remove.
        * config/mmix/mmix.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
        (mmix_gimplify_va_arg_expr): Rewrite from mmix_expand_builtin_va_arg.
        * config/mmix/mmix.h (EXPAND_BUILTIN_VA_ARG): Remove.
        (FRAME_POINTER_REQUIRED): Use current_function_has_nonlocal_label.

        * config/m32r/m32r-protos.h (m32r_va_arg): Remove.
        * config/m32r/m32r.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
        (m32r_gimplify_va_arg_expr): Rewrite from m32r_va_arg.
        * config/m32r/m32r.h (EXPAND_BUILTIN_VA_ARG): Remove.

        * config/iq2000/iq2000-protos.h (iq2000_va_arg): Remove.
        * config/iq2000/iq2000.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
        (iq2000_gimplify_va_arg_expr): Rewrite from iq2000_va_arg.
        * config/iq2000/iq2000.h (EXPAND_BUILTIN_VA_ARG): Remove.

        * config/frv/frv-protos.h (frv_expand_builtin_va_arg): Remove.
        * config/frv/frv.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
        (frv_gimplify_va_arg_expr): Rewrite from frv_expand_builtin_va_arg.
        * config/frv/frv.h (EXPAND_BUILTIN_VA_ARG): Remove.

        * config/i860/i860-protos.h (i860_va_arg): Remove.
        * config/i860/i860.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
        (i860_gimplify_va_arg_expr): Rewrite from i860_va_arg.
        * config/i860/i860.h (EXPAND_BUILTIN_VA_ARG): Remove.

2004-05-31  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>

        * system.h: Prototype getpagesize if missing.
        * configure.ac: Add getpagesize to gcc_AC_CHECK_DECLS.
        * configure: Regenerate.
        * config.in: Regenerate.

2004-07-08  Richard Henderson  <rth@redhat.com>

        * config/fr30/fr30-protos.h (fr30_va_arg): Remove.
        * config/fr30/fr30.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
        (fr30_gimplify_va_arg_expr): New.
        (fr30_pass_by_reference, fr30_pass_by_value, fr30_va_arg): Remove.
        * config/fr30/fr30.h (EXPAND_BUILTIN_VA_ARG): Remove.

2004-07-08  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/16414
        * config/ia64/ia64.c (ia64_dfa_new_cycle): Fix typo in comparison
        of asm_noperands result.

2004-07-08  Richard Henderson  <rth@redhat.com>

        * config/cris/cris-protos.h (cris_expand_builtin_va_arg): Remove.
        * config/cris/cris.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
        (cris_gimplify_va_arg_expr): Rewrite from cris_expand_builtin_va_arg.
        * config/cris/cris.h (EXPAND_BUILTIN_VA_ARG): Remove.

2004-07-08  Richard Henderson  <rth@redhat.com>

        * builtins.c (ind_gimplify_va_arg_expr): New.
        * tree.h (ind_gimplify_va_arg_expr): Declare.
        * config/arc/arc.c (arc_gimplify_va_arg_expr): Use it.

2004-07-08  Jan Beulich  <jbeulich@novell.com>

        * expmed.c (extract_bit_field): Correct condition to use vec_extract
        patterns also on vector elements other than the first one.
        * config/i386/i386.md (vec_extractv2df, vec_extractv4sf): Add missing
        break statements.

2004-07-08  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/darwin-ldouble.c: Correct reference
        to the Linnainmaa paper.

2004-07-08  Richard Henderson  <rth@redhat.com>

        * config/arc/arc-protos.h (arc_va_arg): Remove.
        * config/arc/arc.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
        (arc_gimplify_va_arg_expr): Rewrite from arc_va_arg.
        * config/arc/arc.h (EXPAND_BUILTIN_VA_ARG): Remove.

        * config/c4x/c4x-protos.h (c4x_va_arg): Remove.
        * config/c4x/c4x.c (TARGET_GIMPLIFY_VA_ARG_EXPR): New.
        (c4x_gimplify_va_arg_expr): Rewrite from c4x_va_arg.
        * config/c4x/c4x.h (EXPAND_BUILTIN_VA_ARG): Remove.

2004-07-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.md (prefetch_32, prefetch_64): Simplify constraint checks.

2004-07-08  Zack Weinberg  <zack@codesourcery.com>

        * c-decl.c (static_ctors, static_dtors): Make static.
        (pop_file_scope): Call c_common_write_pch and
        cgraph_finalize_compilation_unit here.
        (build_cdtor): Moved here from c-objc-common.c; simplify.
        (c_write_global_declarations_1): Clarify comment.
        (c_write_global_declarations): Close the external scope before
        doing anything else.  Call build_cdtor, cgraph_optimize, and
        mudflap_finish_file here.
        * c-lang.c (finish_file): Don't call c_objc_common_finish_file.
        Clarify comment.
        * c-objc-common.c: No need to include cgraph.h.
        (build_cdtor): Moved to c-decl.c.
        (c_objc_common_finish_file): Delete.
        * c-tree.h: Update to match.
        * objc/objc-act.c (finish_file): Don't call c_objc_common_finish_file.
        (generate_static_references): Set TREE_USED before calling finish_decl.
        Eliminate unnecessary dummy declaration.  Call rest_of_decl_compilation
        on the static_instances_decl.

2004-07-08  Zack Weinberg  <zack@codesourcery.com>

        * c-decl.c (pop_scope): Do not set DECL_CONTEXT on file-scope
        decls when there is only one input translation unit.
        * langhooks.c (lhd_set_decl_assembler_name): Partially revert
        change of 2004-07-05; do not treat declarations with
        DECL_CONTEXT a TRANSLATION_UNIT_DECL specially.
        * opts.c (cur_in_fname): Delete.
        * opts.h: Likewise.
        * tree.c: Revert changes of 2004-07-05; no special treatment
        for TRANSLATION_UNIT_DECLs.
        * Makefile.in (tree.o): Update dependencies.

2004-07-08  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (fold_builtin_strcpy): Merge functionality from
        simplify_builtin_strcpy.  Add additional len argument.  No longer
        static.  Remove function prototype.
        (fold_builtin_strncpy): Likewise integrate functionality from
        simplify_builtin_strncpy.  Add additional slen argument.  No
        longer static.  Remove function prototype.
        (simplify_builtin_strcy, simplify_builtin_strncpy): Delete.
        (simplify_builtin_fputs): Rename to fold_builtin_fputs.  Change
        types of "ignore" and "unlocked" parameters to bool.
        (fold_builtin_1):  Add additional ignore argument.  Call renamed
        fold_builtin_fputs to simplify GCC "fputs" and "fputs_unlocked"
        builtins.  Update arguments to fold_builtin_strncpy and
        fold_builtin_strcpy.  Add function prototype.
        (fold_builtin): Add additional Boolean ignore argument to pass
        to fold_builtin_1.
        (simplify_builtin): Call fold_builtin_fputs, fold_builtin_strcpy
        and fold_builtin_strncpy instead of simplify_builtin_fputs,
        simplify_builtin_strcpy and simplify_builtin_strncpy respectively.

        * expr.h (simplify_builtin_fputs, simplify_builtin_strcpy,
        simplify_builtin_strncpy): Delete function prototypes.
        * tree.h (fold_builtin_fputs, fold_builtin_strcpy,
        fold_builtin_strncpy): Add function prototypes here.
        (fold_builtin): Update function prototype with new "bool ignore".

        * tree-ssa-ccp.c (ccp_fold): Update call to fold_builtin.
        (ccp_fold_builtin):  Update call to fold_builtin.  Call
        fold_builtin_fputs, fold_builtin_strcpy and fold_builtin_strncpy
        instead of simplify_builtin_fputs, simplify_builtin_strcpy and
        simplify_builtin_strncpy respectively.
        * fold-const.c (fold): Update call to fold_builtin.

2004-07-08  Alexandre Oliva  <aoliva@redhat.com>

        * builtins.c (expand_builtin_stpcpy): Un-simplify decay of stpcpy
        to strcpy.

        * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Default to 0.
        (FUNCTION_ARG_PASS_BY_REFERENCE): Likewise.
        (FUNCTION_ARG_CALLEE_COPIES): Likewise.
        * calls.c: Remove ifdefs of macros above.
        * functions.c: Likewise.
        * expr.c: Likewise.

2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.md (UNSPECV_GOTO_V9): Delete.
        (arch attribute): Delete.
        (current_function_calls_alloca attribute): Rename into calls_alloca.
        (calls_eh_return): New attribute.
        (leaf_function): Likewise.
        (length attribute): Fix formula for sibcalls.
        (return insn): Correctly compute the 'length' attribute.
        (do_builtin_setjmp_setup): Adjust use of current_function_calls_alloca.

2004-07-08  Richard Henderson  <rth@redhat.com>

        * tree-cfg.c (make_exit_edges): Use get_call_expr_in.
        (remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
        (tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
        * tree-eh.c (lower_eh_constructs_1): Likewise.
        * tree-sra.c (sra_walk_modify_expr): Likewise.
        * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
        (eliminate_unnecessary_stmts): Likewise.
        * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
        * tree-tailcall.c (optimize_tail_call): Likewise.
        * tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.

2004-07-08  Paolo Bonzini  <bonzini@gnu.org>
            Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (override_options): Enable
        SSE prefetches with -mtune, as long as we are
        compiling for i686 or higher.  All i686 processors
        accept SSE prefetches as NOPS, some i586's don't.

2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/10567
        * config/sparc/sparc.md (update_return): Honor flag_delayed_branch.

2004-07-08  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-operands.c (get_asm_expr_operands): Fix thinkos in
        the handling of clobbering ASM_EXPRs.

2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/16430
        * config/sparc/sparc.c (function_value): In 64-bit mode,
        return the aggregates larger than 16 bytes like unions.

2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/16199
        * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): When
        'temp' is zero, generate new pseudos as needed and emit the
        sequence of insns in single-assignment form.  Resync comments
        with code.
        (sparc_emit_set_const64): Pass zero as 'temp' argument to above
        function before reload.

2004-07-08  Nathan Sidwell  <nathan@codesourcery.com>

        * vec.c (vec_assert_fail): Remove duplicate 'function'.

        * vec.c (vec_p_reserve, vec_o_reserve): Allocation is signed.

        * vec.h (VEC_alloc, VEC_embedded_size, VEC_embedded_init):
        Allocation is signed.
        (VEC_reserve): Return flag, allocation is signed.

2004-07-08  Richard Henderson  <rth@redhat.com>

        * tree-ssa-ccp.c (fold_stmt): Get type directly from
        OBJ_TYPE_REF_OBJECT.

2004-07-08  Joseph S. Myers  <jsm@polyomino.org.uk>
            Neil Booth  <neil@daikokuya.co.uk>

        PR c/2511
        PR c/3325
        * c-decl.c (finish_struct): Ensure bit-fields are given the
        correct type.
        * c-common.c (c_common_signed_or_unsigned_type): For C, require
        the precision to match as well as the mode.
        * expr.c (reduce_to_bit_field_precision): New function.
        (expand_expr_real_1): Reduce expressions of bit-field type to
        proper precision.
        * langhooks.h (reduce_bit_field_operations): New hook.
        * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
        Define.
        * c-lang.c, objc/objc-lang.c
        (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Define.
        * objc/objc-act.c (check_ivars): Convert types to bit-field types
        before checking.
        * tree.c (build_nonstandard_integer_type): New function.
        * tree.h (build_nonstandard_integer_type): New prototype.
        * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't treat
        conversions between integer and boolean types as useless.

2004-07-08  Paolo Bonzini  <bonzini@gnu.org>

        * c-common.c (c_common_nodes_and_builtins): Do not
        create __builtin_ptrdiff_t and __builtin_size_t.

2004-07-08  Andrew Pinski  <apinski@apple.com>

        * Makefile.in (libbackend.o): Add -combine to the gcc
        command line.

2004-07-08  Nick Clifton  <nickc@redhat.com>

        * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Define.
        Set to -Os.

2004-07-08  Richard Henderson  <rth@redhat.com>

        * except.c (expand_eh_region_start, expand_eh_region_end,
        expand_eh_handler, expand_eh_region_end_cleanup,
        expand_start_all_catch, expand_start_catch, expand_end_catch,
        expand_end_all_catch, expand_eh_region_end_allowed,
        expand_eh_region_end_must_not_throw, expand_eh_region_end_throw,
        expand_eh_region_end_fixup): Remove.
        * stmt.c (struct nesting): Remove stack_level, innermost_stack_block,
        cleanups, outer_cleanups, label_chain, exception_region.
        (struct goto_fixup): Remove stack_level, cleanup_list_list.
        (struct label_chain): Remove.
        (struct stmt_status): Remove x_stack_block_stack.
        (stack_block_stack, expand_goto_internal, expand_fixup, expand_fixups,
        fixup_gotos, save_stack_pointer, expand_decl_cleanup,
        expand_decl_cleanup_eh, expand_cleanups, start_cleanup_deferral,
        end_cleanup_deferral, last_cleanup_this_contour,
        containing_blocks_have_cleanups_or_stack_level,
        any_pending_cleanups): Remove.
        (expand_null_return_1): Take no arguments.
        (expand_label, expand_naked_return, expand_return,
        expand_start_bindings_and_block, expand_end_bindings, expand_decl,
        expand_anon_union_decl, expand_start_case, pushcase, pushcase_range,
        expand_end_case_type): Don't use any of them.
        * calls.c (expand_call): Likewise.
        * dojump.c (do_jump): Likewise.
        * function.c (expand_function_end): Likewise.
        * expr.c (store_expr, expand_expr_real_1): Likewise.
        (safe_from_p): Don't handle WITH_CLEANUP_EXPR, CLEANUP_POINT_EXPR.
        (expand_expr_real_1): Don't handle WITH_CLEANUP_EXPR,
        CLEANUP_POINT_EXPR, TARGET_EXPR, TRY_CATCH_EXPR, CATCH_EXPR,
        EH_FILTER_EXPR, TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR.
        * fold-const.c (fold_checksum_tree): Use first_rtl_op.
        * gengtype.c (adjust_field_tree_exp): Remove rtl op handling.
        * gimplify.c (gimplify_cleanup_point_expr): Renumber operands
        for WITH_CLEANUP_EXPR.
        (gimple_push_cleanup): Likewise.
        * integrate.c (copy_decl_for_inlining): Don't DECL_TOO_LATE.
        * print-tree.c (print_node): Likewise.
        * tree-pretty-print.c (dump_generic_node): Remove GOTO_SUBROUTINE_EXPR.
        * tree.c (first_rtl_op): Always just TREE_CODE_LENGTH.
        (has_cleanups): Remove GOTO_SUBROUTINE_EXPR.
        * tree.def (WITH_CLEANUP_EXPR): Remove op1 and op2.
        (GOTO_SUBROUTINE_EXPR): Remove.
        * tree.h (WITH_CLEANUP_EXPR_RTL): Remove.
        (DECL_TOO_LATE): Remove.
        * except.h, tree.h: Update decls.

2004-07-08  Paolo Bonzini  <bonzini@gnu.org>

        * explow.c (optimize_save_area_alloca): Do not accept parameters.
        * passes.c (rest_of_handle_final): Handle symout.
        (rest_of_handle_new_regalloc, rest_of_handle_old_regalloc):
        Push timevar here.
        (rest_of_handle_sched): Break out SMS.  Remove ifs for
        flag_schedule_insns and flag_modulo_sched.
        (rest_of_handle_addressof, rest_of_handle_cse2): Garbage
        collect at the end.
        (rest_of_handle_gcse2): Put under timevar TV_RELOAD_CSE_REGS.
        (rest_of_handle_partition_blocks, rest_of_handle_sms,
        rest_of_handle_if_after_reload, rest_of_handle_peephole2,
        rest_of_handle_mode_switching, rest_of_handle_jump,
        rest_of_handle_guess_branch_prob, rest_of_handle_eh,
        rest_of_handle_jump2, rest_of_handle_postreload,
        rest_of_handle_flow2, rest_of_clean_state,
        rest_of_handle_shorten_branches,
        rest_of_handle_prologue_epilogue,
        rest_of_handle_branch_target_load_optimize): New.
        (rest_of_compilation): Call the above.  Remove ggc_collect
        calls moved to rest_of_handle_*.
        * rtl.h (optimize_save_area_alloca): Do not accept parameters.

        * dwarf2out.c (dwarf2out_begin_prologue): Use TREE_NOTHROW.
        * except.c (set_nothrow_function_flags): Set TREE_NOTHROW.
        * except.h (set_nothrow_function_flags): Update comment.
        * function.c (current_function_nothrow): Remove.
        * output.h (current_function_nothrow): Remove.
        * passes.c (rest_of_compilation): Do not set TREE_NOTHROW.
        * config/arm/arm.c (arm_compute_func_type): Use TREE_NOTHROW.

2004-07-08  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR bootstrap/16326
        * reorg.c: Revert 2004-06-30 change.
        (find_end_label): If HAVE_epilogue and !HAVE_return,
        return 0 instead of creating a label at the end of the insn chain.
        (optimize_skip): Account for the failure mode of find_end_label.
        (fill_simple_delay_slots): Likewise.
        (fill_slots_from_thread): Likewise.
        (relax_delay_slots): Likewise.

2004-07-08  Diego Novillo  <dnovillo@redhat.com>

        * tree-flow.h (addressable_vars): Declare.
        * tree-ssa-alias.c (addressable_vars): Define.
        (setup_pointers_and_addressables): Add addressable variables
        to addressable_vars.
        * tree-ssa-operands.c (get_stmt_operands): Move
        handling of ASM_EXPRs ...
        (get_asm_expr_operands): ... here.
        When the ASM_EXPR clobbers memory, also clobber addressable
        variables.
        * tree-ssa.c (init_tree_ssa): Initialize addressable_vars.
        (delete_tree_ssa): Reset addressable_vars.

2004-07-07  Jan Beulich  <jbeulich@novell.com>
            Richard Henderson  <rth@redhat.com>

        * varasm.c (assemble_variable): Use assemble_zeros for
        zero-initialized variables.
        (categorize_decl_for_section): Honor flag_zero_initialized_in_bss
        for SECCAT_BSS and SECCAT_TBSS.

2004-07-07  Jan Beulich  <jbeulich@novell.com>

        * varasm.c (asm_output_bss): Don't declare unless BSS_SECTION_ASM_OP.

        * expmed.c (emit_store_flag): Also special-case double-word
        (in-)equality comparison against -1.

        * config/i386/i386.c (ix86_gimplify_va_arg): Don't need temporary for
        passing arguments the containers for which are registers.

        * calls.c (emit_library_call_value_1): Use mode of function parameter
        rather than that of argument since constants have none.

2004-07-08  Alexandre Oliva  <aoliva@redhat.com>

        Introduce H8SX support.
        * expr.c (expand_strcpy): Renamed and moved to...
        * builtins.c (expand_movstr): ... here.  Tweak.
        (expand_builtin_strcpy): Adjust.  Use movstr if len can't be
        computed or has side effects.
        (expand_builtin_stpcpy): Likewise.  Use strcpy if return value is
        unused, or if mempcpy fails.  Adjust the return value in the
        latter case.  Use movstr if everything else fails.
        * doc/md.texi (movstr): Document.
        (movmemM, clrmemM): Fix explanation of memory block operands.
        * config/h8300/h8300.md (stpcpy): Renamed to...
        (movstr): ... this.  Adjust.
        2004-07-07  Alexandre Oliva  <aoliva@redhat.com>
        * config/h8300/h8300.md: Rename movstr*, except for movstrict*, to
        movmem* and clrstr* to clrmem*.
        2004-06-27  Alexandre Oliva  <aoliva@redhat.com>
        * config/h8300/h8300.c (h8300_reg_class_from_letter): Map 'D' to
        GENERAL_REGS, always.
        (h8300_swap_into_er6, h8300_swap_into_er6): Handle the case of
        getting the stack pointer as addr.
        * config/h8300/h8300.h (PREDICATE_CODES): Remove constant rtxes
        from general_operand_dst.
        * config/h8300/h8300.md (movmd_internal_normal): New, normal-mode
        variant of...
        (movmd_internal): ... this.  Add modes to operands.  Disparage `D'
        instead of requiring it to match only before reload.
        (stpcpy_internal_normal): New, normal-mode variant of...
        (stpcpy_internal): ... this.  Add modes to operands.  Disparage
        `D' instead of requiring it to match only before reload.
        * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Add
        mode argument.
        * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Pass it to...
        * config/h8300/h8300.c (h8300_legitimate_address_p): Pass it to
        h8300_get_index.
        * config/h8300/h8300.md (attr type): Add call.
        (attr can_delay): If type is call, set it no.
        (call, call_value): Set type to call.
        2004-06-21  Alexandre Oliva  <aoliva@redhat.com>
        * config/h8300/h8300.md (logicalhi3_sn, logicalsi3_sn): New.
        2004-06-16  Alexandre Oliva  <aoliva@redhat.com>
        * tree.c (get_narrower): Don't narrow integral types into
        non-integral types.
        * config/h8300/h8300.c (h8300_expand_epilogue): Initialize
        frame_size *before* the first use.
        * config/h8300/h8300.md (movstrictqi): Reintroduce post-increment
        on input.
        (peephole2): Don't widen instructions that push SP.  Move
        decrement of SP to the end of all stm-generating peepholes.
        2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.md (insv): Prefer to use AND to clear a bitfield
        and OR to set it to all ones.
        2003-07-24  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.md (can_delay): Default to "no" for bit branches.
        (call, call_value): Set can_delay to "no".
        2003-07-22  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.md (extzv): Make subreg check more robust.
        2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.md (*brabit): Remove.
        * config/h8300/h8300.md (*brabc, *brabs): Remove mode from
        zero_extract.  Use bit_memory_operand as the predicate for
        operand 1 and 'WU' as the constraint.  Check the difference
        between the base length and the final one when deciding which
        type of branch to use.
        2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.md (extzv): Remove mode from operands 0 and 1.
        Use convert_move to extend the result for TARGET_H8300SX.  Check
        for QImode memory references.  Optimize the case where the
        destination is a paradoxical subreg.
        2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.md (*movsf_h8sx): Add an r <- G alternative.
        * config/h8300/h8300.md (andqi): Remove bclr from h8sx version.
        2003-07-21  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.md: Include mova.md
        (length_table): Add mova and mova_zero.
        * config/h8300/h8300.c (print_operand): Handle '%o'.  Print a length
        after all constant addresses for '%R', '%X', '%T' and '%S'.
        (h8300_mova_length): New function.
        (h8300_insn_length_from_table): Use it to handle mova and mova_zero.
        * config/h8300/t-h8300 (mova.md): Generate from genmova.sh.  Add to
        dependencies for s-config, etc.
        * config/h8300/gemova.sh: New file.
        * config/h8300/mova.md: Generated.
        2003-07-20  Alexandre Oliva  <aoliva@redhat.com>
        * config/h8300/h8300.c (h8300_bitfield_length): New.
        (nibble_operand): Adjust.
        (h8300_binary_length): Handle conditional binary op.
        (h8300_insn_length_from_table): Handle bitfield and bitbranch.
        * config/h8300/h8300.h: Change constraints W# and Y# to P#>X and
        P#<X, respectively.  The original P is now IP4>X.  Introduced P#>0
        and P#<0, unused so far.  W and Y are now prefixes to multi-letter
        constraints.  WU is introduced as a variant of U that requires a
        mem, and is therefore considered an EXTRA_MEMORY_CONSTRAINT.
        * config/h8300/h8300.md (attr type): Added bitbranch.
        (attr length_table): Added bitfield and bitbranch.
        (attr length): Compute bitbranch length.
        (andqi): Separate pattern for H8300SX.  Use bfld for loading the
        least-significant bit of a byte.
        (brabit, brabc, brabs): New.
        (insv, extzv): Emit bfst and bfld on H8300SX.
        (bfld, bfst, seq, sne): New.
        (bstzhireg, cmpstz, bstz, bistz): New.
        (cmpcondbset, condbset, cmpcondbclr, condbclr): New.
        (cmpcondbsetreg, condbsetreg, cmpcondbclrreg, condbclrreg): New.
        2003-07-11  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.c (h8sx_binary_memory_operator): New function.
        (h8sx_unary_memory_operator): New function.
        * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Disable.
        (PREDICATE_CODES): Add h8sx_{unary,binary}_memory_operator.
        * config/h8300/h8300.md: Add peepholes to combine reloads and
        arithmetic insns.
        2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h830.md (cmpqi): Use 'i' rather than 'n' in constraints.
        (*cmphi_h8300hs, *addqi3, *addhi3_h8sx, subhi3): Likewise.
        (and?i, ior?i, xor?i): Likewise.
        2003-07-10  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.c: Move enums and prototypes to head of file.
        Various whitespace fixes.
        (h8300_constant_length): New function, split out from...
        (h8300_displacement_size): ...here.  Rename h8300_displacement_length.
        (h8300_classify_operand): Use IN_RANGE.
        (h8300_classify_operand): Use h8300_constant_length.
        (h8300_short_move_mem_p): Tighten size check.
        (h8sx_mergeable_memrefs_p): Tighten equality check.
        2003-06-30  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.h (TARGET_CPU_CPP_BUILTINS): Define __H8300SX__
        for -msx.
        * config/h8300/crti.asm: Use .h8300sx or .h8300sxn for -msx code.
        * config/h8300/crtn.asm: Likewise.
        * config/h8300/lib1funcs.asm: Likewise.  Use 32-bit pointers
        if __H8300SX__ is defined.
        2003-06-27  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300-protos.h (h8300_get_index): Add mode parameter.
        * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Update accordingly.
        (GO_IF_MODE_DEPENDENT_ADDRESS): Treat POST_DEC, PRE_INC and indexed
        addresses as mode-dependent.
        * config/h8300/h8300.c (print_operand_address): Update call to
        h8300_get_index.
        (h8300_get_index): Take a mode argument.  Rework to fix an
        earlier misunderstanding.
        2003-06-26  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.c (zero_extendqisi2): Force the source operand
        into a register if TARGET_H8300SX.
        (*zero_extendqisi2_h8300hs, *extendqisi2_h8300): Disable for
        TARGET_H8300SX.  Also disable related define_splits.
        (*zero_extendqisi2_h8sx, *extendqisi2_h8sx): New patterns.
        2003-06-23  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.c (h8300_rtx_costs): Add h8sx handling.
        2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.h (OK_FOR_Z): New macro.
        (EXTRA_CONSTRAINT_STR): Check it.
        * config/h8300/h8300.c (h8300_classify_operand): Accept null
        class arguments.
        (h8300_insn_length_from_table): Handle LENGTH_TABLE_MOV_IMM4.
        * config/h8300/h8300.md (length_table): Add mov_imm4.
        (movqi, movhi): Add Z <- W4 alternatives to h8sx patterns.
        2003-06-20  Richard Sandiford  <rsandifo@redhat.com>
        * genattrtab.c (write_eligible_delay): Allow candidate_insn to
        be a label.
        * config/h8300/h8300.h (DELAY_SLOT_LENGTH): New macro.
        * config/h8300/h8300.c (h8300_reorg): New function.
        (TARGET_MACHINE_DEPENDENT_REORG): Define.
        * config/h8300/h8300.md (length): Subtract the length of the
        delay slot from (pc) when checking the range of forward branches.
        (delay_slot, can_delay): New attributes.
        (define_delay): Add bra/s handling.
        (movmd_internal, return_h8sx, *return_1): Set can_delay to no.
        (jump): Add delayed-branch handling.
        2003-06-17  Richard Sandiford  <rsandifo@redhat.com>
        * expr.c (expand_strcpy): New function.
        * builtins.c (expand_builtin_strcpy): Fall back on expand_strcpy.
        (expand_builtin_stpcpy): Likewise.
        * config/h8300/h8300-protos.h (h8sx_split_movmd): Remove.
        (h8300_swap_into_er6, h8300_swap_out_of_er6): Declare.
        * config/h8300/h8300.c (h8300_reg_class_from_letter): Tweak 'd'
        handling to improve register allocation for -fno-omit-frame-pointer.
        (h8sx_split_movmd): Delete, moving er6 handling into...
        (h8300_swap_into_er6, h8300_swap_out_of_er6): ...these new functions.
        * config/h8300/h8300.md (UNSPEC_STPCPY): New unspec constant.
        (movmd): Add calls to copy_rtx.
        (movmd_internal): In the second alternative, allow the initial and
        final destination registers to be different .  Update the splitter
        accordingly.  Call h8300_swap_into_er6 and h8300_swap_out_of_er6
        instead of h8sx_split_movmd.
        (stpcpy, movsd): New expanders.
        (movsd_internal): New define_insn.
        2003-06-13  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Declare.
        (h8sx_emit_movmd, h8sx_split_movmd): Declare.
        * config/h8300/h8300.h (reg_class): Add COUNTER_REGS, SOURCE_REGS
        and DESTINATION_REGS.
        (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
        (REGNO_REG_CLASS): Map er4, er5 and er6 to the new classes.
        (REG_CLASS_FROM_LETTER): Use h8300_reg_class_from_letter.
        (h8300_move_ratio): Declare.
        (MOVE_RATIO): Use it.
        * config/h8300/h8300.c (h8300_move_ratio): New variable.
        (h8300_init_once): Initialize it.
        (h8300_reg_class_from_letter): New function.
        (print_operand): Add an 'm' prefix for printing ".b", ".w" or ".l".
        (h8sx_emit_movmd, h8sx_split_movmd): New functions.
        * config/h8300/h8300.md (UNSPEC_MOVMD): New unspec constant.
        (COUNTER_REG, SOURCE_REG, DESTINATION_REG): New register constants.
        (movstrsi, movmd): New expanders.
        (movmd_internal): New insn.
        2003-06-06  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.h (EXTRA_MEMORY_CONSTRAINT): Define.
        2003-06-04  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxnelf for -msx -mn.
        * config/h8300/h8300.c (asm_file_start): Use .h8300sxn likewise.
        2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.c (nibble_operand): Fix warning.
        * config/h8300/h8300.md (movstricthi): Set adjust_length to no.
        (movsi_h8sx): Likewise here and the normal h8sx movhi pattern.
        (movsf_h8300h): Disable for TARGET_H8300SX.
        2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.h (PREDICATE_CODES): Add h8300_ldm_parallel,
        h8300_stm_parallel and h8300_return_parallel.
        * config/h8300/h8300.c (h8300_push_pop, h8300_stack_offset_p,
        h8300_ldm_stm_regno, h8300_ldm_stm_parallel, h8300_ldm_parallel,
        h8300_stm_parallel, h8300_return_parallel): New functions.
        (h8300_expand_prologue): Don't enforce ldm/stm register alignment
        if TARGET_H8300SX.  Use h8300_push_pop.
        (h8300_expand_epilogue): Likewise.  Try to merge the return insn
        and final pop when generating h8sx code.  Always emit some form
        of return insn.
        * config/h8300/h8300.md: Don't enforce register alignment in
        stm peepholes if TARGET_H8300SX.
        (ldm_h8300s, stm_h8300s, return_h8sx): New patterns.
        (ldm_h8300s_[234], stm_h8300_[234]): Disable.
        (epilogue): Expect h8300_expand_epilogue to emit a return insn.
        2003-06-03  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/t-h8300 (MULTILIB_OPTIONS): Add a -msx multilib.
        (MULTILIB_DIRNAMES): Add a directory for it.
        (MULTILIB_MATCHES): Delete.
        2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
        * final.c (walk_alter_subreg): Handle addresses with subregs
        inside a ZERO_EXTEND or AND.
        * config/h8300/h8300-protos.h (h8300_get_index): Declare.
        * config/h8300/h8300.h (INDEX_REG_CLASS): Set to GENERAL_REGS
        if TARGET_H8300SX.
        (GO_IF_LEGITIMATE_ADDRESS): Use h8300_get_index.
        * config/h8300/h8300.c (print_operand_address): Handle @(dd,RnL.b),
        @(dd,Rn.w) and @(dd,ERn.L).
        (h8300_displacement_size): Take the whole address as argument.
        (h8300_classify_operand, h8300_short_move_mem_p): Adjust accordingly.
        2003-05-28  Richard Sandiford  <rsandifo@redhat.com>
        * config/mips/mips-protos.h (h8300_operands_match_p): Declare.
        (h8sx_mergeable_memrefs_p): Declare.
        * config/h8300/h8300.h (HAVE_POST_DECREMENT): Define to TARGET_H8300SX.
        (HAVE_PRE_INCREMENT): Likewise.
        (GO_IF_LEGITIMATE_ADDRESS): Accept pre/post increment/decrement
        addresses for TARGET_H8300SX,
        * config/h8300/h8300.c (print_operand_address): Deal with PRE_INC
        and POST_DEC.
        (movb_length_table, movl_length_table): New tables.
        (movw_length_table): Define to movb_length_table.
        (h8300_displacement_size): New, split out from...
        (h8300_classify_address): ...here.  Handle pre/post inc/dec.
        (h8300_short_immediate_length): Allow H8OP_MEM_COMPLEX operands.
        (h8300_insn_length_from_table): Add cases for movb, movw and movl.
        (h8sx_mergeable_memrefs_p, h8300_operands_match_p): New functions.
        (output_plussi): Use add.l #xx:3,Rn and sub.l #xx:3,Rn for h8sx.
        (compute_plussi_length, compute_plussi_cc): Update accordingly.
        (h8sx_unary_shift_operator): Get the mode from the operator.
        (binary_shift_operator): Likewise.
        * config/h8300/h8300.md: If a peephole2 applies gen_lowpart to
        a memory reference, check whether the reference is offsettable.
        (length_table): Add movb, movw and movl.
        (movqi): Add new h8sx pattern.  Don't force one operand to be a
        register when generating h8sx code.
        (movhi, movsi, movsf): Likewise.
        (movstrictqi): Use the length_table attribute.
        (movstricthi): Likewise.  Add h8sx alternative for mov.w #xx:3,Rn.
        (addqi3): Split into a define_expand and define_insn.  Don't accept
        memory operands in the expander.  Use h8300_operands_match_p to
        check for matching operands in the define_insn.
        (subqi3, negqi2, one_cmplqi2): Likewise.
        (add[hs]i3): Don't accept memory operands in the expander.  Likewise
        in any patterns that are unused in h8sx code.  In the h8sx patterns,
        use h8300_operands_match_p to check whether operands match.
        (sub[hs]i3, and[hi]3, ior[hs]i3, xor[hs]i3, neg[hsi]3,
        one_cmpl[hs]i3): Likewise.
        (andqi3, iorqi3, xorqi3): Likewise.  Don't call fix_bit_operand
        in the expander.
        2003-05-23  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300-protos.h (expand_a_shift): Return a bool.
        (h8300_insn_length_from_table): Add a second parameter.
        (output_h8sx_shift): Declare.
        * config/h8300/h8300.h (OK_FOR_W, OK_FOR_Y): New macros.
        (EXTRA_CONSTRAINT): Replace with...
        (EXTRA_CONSTRAINT_STR): ...this.  Use OK_FOR_W and OK_FOR_Y.
        (CONSTRAINT_LEN): Define, returning 2 for 'W' and 'Y'.
        (PREDICATE_CODES): Add entries for h8sx_unary_shift_operator
        and h8sx_binary_shift_operator.
        * config/h8300/h8300.c (two_insn_adds_subs_operand): Return false
        for TARGET_H8300SX.
        (bit_operand): Replace use of EXTRA_CONSTRAINT with OK_FOR_U.
        (bit_memory_operand, fix_bit_operand): Likewise.
        (h8300_length_table_for_insn): Remove.
        (h8300_classify_operand): Fix check for 16-bit operands in 32-bit
        instructions.
        (h8300_short_immediate_length, h8300_binary_length): New functions.
        (h8300_insn_length_from_table): Add an opcodes parameter.  Rework.
        (output_plussi): Use sub to add negative constants.
        (compute_plussi_length): Adjust accordingly.
        (h8sx_single_shift_type): New enum.
        (h8sx_single_shift, h8sx_unary_shift_operator,
        h8sx_binary_shift_operator, output_h8sx_shift): New functions.
        (expand_a_shift, expand_a_rotate): Emit nothing if the shift is a
        single h8sx instruction.  Return false in this case.
        * config/h8300/h8300.md (length_table): Add short_immediate.
        (length): Pass the operand array to h8300_insn_length_from_table.
        (adjust_length): Assume "no" for insns with a length_table attribute.
        (*cmphi_h8300hs, cmpsi): Add alternatives for #xx:3.
        (*addhi3_h8300hs): Don't use for h8sx.
        (*addhi3_h8sx): New pattern, with alternatives for add.w #xx:3
        and sub.w #xx:3.
        (ashl[qhs]i3, lshr[qhs]i3, ashr[qhs]i3, rotl[qhs]i3): Change operand
        1's predicate to nonimmediate_operand.  Only skip default expansion
        if expand_a_shift or expand_a_rotate returns true.  Add new patterns
        for single h8sx shift instructions.
        2003-05-22  Alexandre Oliva  <aoliva@redhat.com>
        * config/h8300/h8300.c (nibble_operand): Split out of...
        (reg_or_nibble_operand): ... this.
        * config/h8300/h8300.h (PREDICATE_CODES): Added nibble_operand.
        * config/h8300/h8300.md: (mulqihi3, mulhisi3, umulqihi3,
        umulhisi3): Introduce expand, and introduce separate insns for
        sign- or zero-extended REG and already-extended CONST_INT.
        2003-05-20  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.c (h8300_unary_length): Fix miscounting.
        * config/h8300/h8300.md (subqi3): Generalize for h8sx.
        (subhi3): Likewise.  Don't accept immediates for operand 1.
        Remove the early clobber from second alternative of the h8300s pattern.
        (subsi3): Generalize for h8sx.  Force operand 2 into a register
        on plain h8300 targets.
        (subsi3_h8300): Use h8300_dst_operand for consistency with expander.
        (subsi3_h8300h): Generalize for h8sx.
        (one_cmplqi2, one_cmplhi2, one_cmplsi2): Likewise.
        2003-05-19  Alexandre Oliva  <aoliva@redhat.com>
        * config/h8300/h8300.c (reg_or_nibble_operand): New.
        * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
        (TARGET_H8300SXMUL): New.
        (CONST_OK_FOR_P): New.
        (CONST_OK_FOR_LETTER_P): Adjust.
        * config/h8300/h8300.md (mulqihi3, mulhisi3, umulqihi3,
        umulhisi3): Accept 4-bit immediate on H8SX.
        (mulhi3, mulsi3, smulsi3_highpart, umulsi3_highpart): New.
        (udivsi3, divhi3, udivsi3, divsi3): New.
        2003-05-19  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300-protos.h (h8300_insn_length_from_table): Declare.
        * config/h8300/h8300.h (OK_FOR_Q): New macro.
        (EXTRA_CONSTRAINT): Use it to check the 'Q' constraint.
        (PREDICATE_CODES): Add h8300_src_operand and h8300_dst_operand.
        Add ADDRESSOF to the bit_operand entry.
        * config/h8300/h8300.c (h8300_dst_operand): New predicate.
        (h8300_src_operand): Likewise.
        (bit_operand): Check nonimmediate_operand rather than general_operand.
        Accept any nonimmediate_operand in h8sx code.
        (h8300_and_costs): Initialize operands[1].
        (h8300_rtx_costs) <AND>: Return false if the operands aren't valid.
        (h8300_operand_class): New enum.
        (h8300_length_table): New typedef.
        (addb_length_table, addw_length_table, addl_length_table,
        logicl_length_table): New tables.
        (logicb_length_table, logicw_length_table): New macros.
        (h8300_classify_operand, h8300_length_from_table,
        h8300_length_table_for_insn, h8300_unary_length,
        h8300_insn_length_from_table): New functions.
        (output_plussi): Only use adds and subs for register destinations.
        Disable redundant clause.
        (compute_plussi_cc): Likewise.
        (compute_plussi_length): Likewise.  Use h8300_length_from_table
        to work out the length of an insn.
        (output_logical_op): Only use narrower immediate instructions
        if the destination is a register.
        (compute_logical_op_cc): Likewise.
        (compute_logical_op_length): Likewise.  Use h8300_length_from_table.
        (h8300_adjust_insn_length): Tighten check for reg<->mem moves.
        * config/h8300/h8300.md (length_table): New attribute.
        (length): When an instruction has a length_table attribute, use
        h8300_insn_length_from_table to calculate its default length.
        (cmpqi): Use h8300_dst_operand for the first operand and
        h8300_src_operand for the second.
        (cmphi, *cmphi_h8300hs, cmpsi, negqi2, neghi2, neghi2_h8300h, negsi2,
        negsi2_h8300h, addqi3, addhi3, *addhi3_h8300, *addhi3_h8300hs, addsi3,
        addsi_h8300, addsi_h8300h, andhi3, andsi3, iorhi3,
        iorsi3, xorhi3, xorsi3): Likewise.
        (andqi3): Use h8300_src_operand for operand 2.  Adjust the condition
        so that it allows any combination of operands for TARGET_H8300SX.
        (iorqi3, xorqi3): Likewise.
        (cmpqi): Use the length_table attribute.
        (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, andqi3, iorqi3,
        xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
        (cmpqi): Add 'Q' constraint.
        (*cmphi_h8300hs, cmpsi, addqi, *addhi3_h8300hs, addsi_h8300h, andqi3,
        iorqi3, xorqi3, negqi2, neghi2_h8300h, negsi2_h8300h): Likewise.
        2003-05-14  Richard Sandiford  <rsandifo@redhat.com>
        * config/h8300/h8300.h (MASK_H8300SX): New macro.
        (TARGET_H8300S): True for both -ms and -msx.
        (TARGET_H8300SX): New macro.
        (TARGET_SWITCHES): Add entries for -msx and -mno-sx.
        * config/h8300/h8300.c (asm_file_start): Write .h8300sx for -msx.
        * config/h8300/elf.h (LINK_SPEC): Use -m h8300sxelf for -msx.
        * config/h8300/t-h8300 (MULTILIB_MATCHES): Use -ms multilibs for -msx.
        [Temporary change.]
        2003-02-28  Alexandre Oliva  <aoliva@redhat.com>
        * config/h8300/h8300.h (SIZE_TYPE, PTRDIFF_TYPE): Use short with
        16-bit pointers and 32-bit ints.
        * config/h8300/h8300.h (LEGITIMATE_CONSTANT_P): Accept
        CONST_DOUBLE with mode no wider than SImode.
        * config/h8300/h8300.md (extendqisi2_h8300): Add constraints for
        output operand.
        2003-02-27  Alexandre Oliva  <aoliva@redhat.com>
        * config/h8300/h8300.c (general_operand_src): Match CONSTANT_P_RTX
        or SUBREG thereof.
        * config/h8300/h8300.h (PREDICATE_CODES): Adjust.
        2003-02-22  Alexandre Oliva  <aoliva@redhat.com>
        * config/h8300/h8300.c (dosize): Truncate sign * size to Pmode.

2004-05-28  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>

        * config.gcc (i[34567]86-*-mingw32*): Enable threads by default.

2004-07-07  Per Bothner  <per@bothner.com>

        * flow.c (attempt_auto_inc):  Remove now-redundant PUT_CODE.

2004-07-07  Mike Stump  <mrs@apple.com>

        * darwin.h (ASM_OUTPUT_LABELREF): Fix -fno-leading-underscore.
        * darwin.c (machopic_non_lazy_ptr_name, machopic_stub_name)
        (machopic_finish): Likewise.

2004-07-07  Richard Henderson  <rth@redhat.com>

        * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Look
        through any value-preserving cast.

2004-07-07  Alexandre Oliva  <aoliva@redhat.com>

        * function.c (assign_parm_find_data_types): Call
        FUNCTION_ARG_PASS_BY_REFERENCE only if it's defined.

2004-07-07  Steven Bosscher  <stevenb@suse.de>

        * tree-cfg.c (group_case_labels): Remove case labels that have
        the same target as the default case.

2004-07-07  Steven Bosscher  <stevenb@suse.de>

        * tree-inline.c (optimize_inline_calls): Set DECL_INLINED_FNS
        regardless of DECL_LANG_SPECIFIC being present or not.
        * tree.h (DECL_NUM_STMTS): Purge.

2004-07-07  Andrew Pinski  <apinski@apple.com>

        * configure: Regenerate with the right autoconf.

2004-07-07  David Edelsohn  <edelsohn@gnu.org>

        * ifcvt.c (total_bb_rtx_cost): New function.
        (find_if_case_1): Compare rtx_cost of basic block to cost of
        BRANCH_COST insns.
        (find_if_case_2): Same.

2004-07-07  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/10567
        * config/sparc/sparc.c (load_pic_register): Honor flag_delayed_branch.
        (output_return): Likewise.
        (output_sibcall): Abort if !flag_delayed_branch.
        (sparc_function_ok_for_sibcall): Return 0 if !flag_delayed_branch.
        (emit_and_preserve): New function.
        (sparc_output_mi_thunk): Use it.  Honor flag_delayed_branch.  Emit an
        indirect jump to the thunked-to function if !flag_delayed_branch.
        * config/sparc/sparc.md (delayed_branch): New attribute.
        (load_pcrel_sym): Honor flag_delayed_branch.  Use above
        attribute to compute the length of the insn.
        (goto_handler_and_restore): Likewise.

2004-07-07  Andrew Pinski  <apinski@apple.com>

        PR tree-optimization/15777
        * fold-const.c (fold_single_bit_test): Fold the x^1 expression.

        * expr.c (expand_expr_real_1): Fix formating.
        BUFFER_REF and IN_EXPR are dead.
        * fold-const.c (non_lvalue): BUFFER_REF is dead.
        * tree-inline.c (estimate_num_insns_1): Likewise.
        * tree-pretty-print.c (dump_generic_node): BUFFER_REF,
        IN_EXPR, SET_LE_EXPR, and CARD_EXPR are dead.
        * tree.def (BUFFER_REF, IN_EXPR, SET_LE_EXPR, CARD_EXPR): Kill.

2004-07-07  H.J. Lu  <hongjiu.lu@intel.com>

        * collect2.c (dump_file): Don't call cplus_demangle if
        HAVE_LD_DEMANGLE is defined.
        (main): Pass "--demangle" to ld if no_demangle is not 0 and
        HAVE_LD_DEMANGLE is defined. Don't set current_demangling_style
        if HAVE_LD_DEMANGLE is defined.

        * configure.ac (--with-demangler-in-ld): Added
        (HAVE_LD_DEMANGLE): Define if ld supports --demangle when
        --with-demangler-in-ld is used.
        * config.in: Regenerated.
        * configure: Likewise.

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

        * config/rs6000/rs6000.c (struct processor_costs): Add new fields
        for simple floating point operations "fp", double precision
        multiplication "dmul", and single and double precision division
        "sdiv" and "ddiv".  Update all CPU variant tables as appropriate.
        (ppc630_cost): New table split from ppc620_cost, to distinguish
        differences in floating point latencies.
        (rs6000_override_options): Use ppc630_cost for PROCESSOR_PPC630.
        (rs6000_rtx_costs): Add support for single and double precision
        floating point addition, subtraction, multiplication, division,
        fused-multiply-add, fused-multiply-sub, negation, absolute value
        and negative absolute value.  Tweak MEM case to use prefered idiom.

2004-07-07  Richard Henderson  <rth@redhat.com>

        * tree-flow-inline.h (may_propagate_copy): Move...
        * tree-ssa-copy.c (may_propagate_copy): ... here.  Fail if we
        attempt to copy between types requiring conversion.
        * tree-flow.h (may_propagate_copy): Update decl.
        * tree-ssa-dom.c (cprop_operand): Tidy redundant tests.

2004-07-07  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (override_options): Don't set x86_prefetch_sse
        from -mtune= option.

2004-07-07  Alexandre Oliva  <aoliva@redhat.com>

        * builtins.c: Rename movstr*, except for movstrict*, to
        movmem* and clrstr* to clrmem*.
        * expr.c: Likewise.
        * expr.h: Likewise.
        * genopinit.c: Likewise.
        * integrate.c: Likewise.
        * local-alloc.c: Likewise.
        * optabs.c: Likewise.
        * optabs.h: Likewise.
        * config/alpha/alpha.h: Likewise.
        * config/alpha/alpha.md: Likewise.
        * config/arm/arm-protos.h: Likewise.
        * config/arm/arm.c: Likewise.
        * config/arm/arm.md: Likewise.
        * config/avr/avr.md: Likewise.
        * config/c4x/c4x.c: Likewise.
        * config/c4x/c4x.md: Likewise.
        * config/frv/frv.md: Likewise.
        * config/i386/i386-protos.h: Likewise.
        * config/i386/i386.c: Likewise.
        * config/i386/i386.h: Likewise.
        * config/i386/i386.md: Likewise.
        * config/i860/i860.c: Likewise.
        * config/i860/i860.md: Likewise.
        * config/ip2k/ip2k.md: Likewise.
        * config/ip2k/libgcc.S: Likewise.
        * config/ip2k/t-ip2k: Likewise.
        * config/m32r/m32r.c: Likewise.
        * config/m32r/m32r.md: Likewise.
        * config/mcore/mcore.md: Likewise.
        * config/mips/mips.c: Likewise.
        * config/mips/mips.md: Likewise.
        * config/ns32k/ns32k.c: Likewise.
        * config/ns32k/ns32k.h: Likewise.
        * config/ns32k/ns32k.md: Likewise.
        * config/pa/pa.c: Likewise.
        * config/pa/pa.md: Likewise.
        * config/pdp11/pdp11.h: Likewise.
        * config/pdp11/pdp11.md: Likewise.
        * config/rs6000/rs6000.c: Likewise.
        * config/rs6000/rs6000.md: Likewise.
        * config/s390/s390-protos.h: Likewise.
        * config/s390/s390.c: Likewise.
        * config/s390/s390.md: Likewise.
        * config/sh/lib1funcs.asm: Likewise.
        * config/sh/sh.c: Likewise.
        * config/sh/sh.md: Likewise.
        * config/sh/t-sh: Likewise.
        * config/sparc/sparc.h: Likewise.
        * config/vax/vax.md: Likewise.
        * config/xtensa/xtensa.c: Likewise.
        * config/xtensa/xtensa.md: Likewise.
        * doc/invoke.texi: Likewise.
        * doc/md.texi: Likewise.
        * doc/rtl.texi: Likewise.

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

        PR target/16407
        * config/mips/mips-protos.h (mips_declare_common_object): Declare.
        * config/mips/mips.c (mips_declare_common_object): New function,
        mostly split out from...
        (mips_output_aligned_decl_common): ...here.
        * config/mips/mips.h (ASM_OUTPUT_LOCAL): Remove in favor of...
        (ASM_OUTPUT_ALIGNED_LOCAL): ...this new definition.
        * config/mips/iris6.h (ASM_OUTPUT_ALIGNED_LOCAL): Undefine this
        rather than ASM_OUTPUT_LOCAL.  Call mips_declare_common_object.

2004-07-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR c/16392
        * function.c (assign_parms): Fix typo from previous change.

2004-07-07  Jason Merrill  <jason@redhat.com>

        PR c++/15815
        * doc/extend.texi (C++ Interface): Correct information and
        discourage use.

2004-07-07  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/16130
        PR target/16142
        PR target/16143
        * config/ia64/ia64.c (ia64_dfa_new_cycle): Reset DFA state for asm
        insn.

2004-07-06  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>

        PR target/1679.
        * config/m32r/m32r.c (m32r_function_symbol): New function:
        Generate a symbol name RTX with the correct m32r specific flags
        set.
        (block_move_call): Use new function to generate correct symbol.
        * config/m32r/m32r-protos.h: Add prototype for new funcion.
        * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Use the new
        function.

2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>

        * tree.h (TYPE_BINFO_OFFSET, TYPE_BINFO_VTABLE,
        TYPE_BINFO_VIRTUALS, TYPE_BINFO_BASETYPES,
        TYPE_BINFO_BASETYPE): Remove.
        (BINFO_BASETYPES, BINFO_N_BASETYPES, BINFO_BASETYPE): Rename
        to ...
        (BINFO_BASE_BINFOS, BINFO_N_BASE_BINFOS, BINFO_BASE_BINFO): ...
        here.
        (BINFO_BASEACCESSES, BINFO_BASEACCESS): Rename to ...
        (BINFO_BASE_ACCESSES, BINFO_BASE_ACCESS): ... here.
        (BINFO_INHERITANCE_CHAIN): Redocument as it is actually used.
        (struct tree_binfo): Rename base_types to base_binfos.
        * alias.c (record_component_aliases): Adjust BINFO macros.
        * dbxout.c (dbxout_type): Likewise.
        * dwarf2out.c (gen_member_die): Likewise.
        * sdbout.c (sdbout_one_type): Likewise.
        * tree-dump.c (deque_and_dump): Likewise.
        * config/i386/i386.c (classify_argument,
        contains_128bit_aligned_vector_p): Likewise.

2004-07-07  Nick Clifton  <nickc@redhat.com>

        * config/fr30/fr30.c (fr30_setup_incoming_varargs): Change
        arguments to match TARGET_SETUP_INCOMING_VARARGS prototype.

2004-07-07  Nathan Sidwell  <nathan@codesourcery.com>

        * vec.h: Fix the example use.

2004-07-06  Richard Henderson  <rth@redhat.com>

        * langhooks-def.h (LANG_HOOKS_GIMPLE_BEFORE_INLINING): Remove.
        * langhooks.h (struct lang_hooks): Remove gimple_before_inlining.
        * tree-inline.c (copy_body_r, setup_one_parameter,
        initialize_inlined_parameters, expand_call_inline,
        declare_inline_vars): Don't check it.
        (expand_calls_inline): Remove old version, rename new version
        from gimple_expand_calls_inline.
        * tree-optimize.c (execute_gimple): Remove.
        (pass_gimple): Don't run anything.

2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/sourcebuild.texi: Use semicolons instead of commas in
        section title.

2004-07-06  Richard Henderson  <rth@redhat.com>

        * tree-sra.c (struct sra_walk_fns): Revert 2004-07-05 change.
        (sra_walk_modify_expr, scan_init): Likewise.
        (generate_element_zero): Check visited before scanning children.
        (generate_element_init): Set visited on error.
        (scalarize_init): Handle generate_element_init failure similar
        to use_block_copy.

2004-07-06  Joseph S. Myers  <jsm@polyomino.org.uk>

        * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Define.
        (warning, error, pedwarn, sorry): Use ATTRIBUTE_GCC_FE_DIAG.

2004-07-06  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (legitimize_pic_address): Make static.
        (legitimize_address): Handle CONST with TLS operand.
        (ix86_expand_move): Don't call legitimize_pic_address directly.
        * config/i386/i386-protos.h (legitimize_pic_address): Remove.

2004-07-06  Roger Sayle  <roger@eyesopen.com>

        * ifcvt.c (struct noce_if_info): Add a Boolean b_unconditional field.
        (noce_try_sign_mask): Tweak rtx_cost check if t is evaluated anyway.
        (noce_process_if_block): Initialize if_info.b_unconditional if insn_b
        is currently executed unconditionally, i.e. not in "else_bb".

2004-07-06  Steven Bosscher  <stevenb@suse.de>

        * config/alpha/alpha.c (alpha_use_dfa_pipeline_interface): Remove.
        (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
        * config/arm/arm.c (arm_use_dfa_pipeline_interface): Remove.
        (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
        * config/frv/frv.c (frv_use_dfa_pipeline_interface): Remove.
        (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
        * config/i386/i386.c (ia32_use_dfa_pipeline_interface): Remove.
        (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
        * config/ia64/ia64.c (ia64_use_dfa_pipeline_interface): Remove.
        (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
        * config/pa/pa.c (hhpa_use_dfa_pipeline_interface): Remove.
        (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
        * config/sparc/sparc.c (sparc_use_dfa_pipeline_interface): Remove.
        (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.
        * config/v850/v850.c (v850_use_dfa_pipeline_interface): Remove.
        (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define to hook_int_void_1.

2004-07-06  Daniel Berlin  <dberlin@dberlin.org>

        * dojump.c (do_jump): REFERENCE_EXPR is dead.
        * expr.c (expand_expr_real_1): Ditto.
        * tree-inline.c (estimate_num_insns_1): Ditto.
        * tree-pretty-print.c (dump_generic_node): Ditto.
        (op_symbol): Ditto.
        * tree.def: Ditto.

2004-07-06  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-pre.c (reference_node_pool): New pool.
        (find_or_generate_expression): Class 'r' is okay too.
        (create_value_expr_from): Ditto.
        (add_to_sets): LHS should not include vuses.
        (eliminate): Ditto.
        (compute_avail): Reverse ordering of tests.
        Valuize INDIRECT_REF as well.

2004-07-06  Richard Sandiford  <rsandifo@redhat.com>

        PR rtl-optimization/16380
        * loop.c (check_dbra_loop): Sink comparison instructions if they
        do something other than set cc0.

2004-07-06  James E Wilson  <wilson@specifixinc.com>

        * doc/interface.texi (longjmp and automatic variables): Delete
        paragraph recommending taking the address of a variable.

2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>

        * vec.h (VEC_embedded_alloc): Remove.
        (VEC_embedded_size, VEC_embedded_init): New.
        (VEC_alloc, VEC_reserve, VEC_safe_push, VEC_safe_insert): Add
        MEM_STAT_INFO.
        (VEC_truncate): New.
        (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL.
        (vec_embedded_alloc): Remove.
        * vec.c (vec_p_reserve, vec_o_reserve): Add MEM_STAT_DECL, adjust.
        (vec_embedded_alloc): Remove.

2004-07-06  Mark Mitchell  <mark@codesourcery.com>

        * Makefile.in (langhooks.o): Do not depend on gt-langhooks.h.
        (gt-langhooks.h): Remove.

2004-07-06  George Helffrich <george@gly.bris.ac.uk>

        * xcoffout.h (DBX_FINISH_SYMBOL): Fix typo.

2004-07-06  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (get_pc_symbol): Rename into
        add_pc_to_pic_symbol.
        (get_pc_symbol_name): Rename into add_pc_to_pic_symbol_name.
        (load_pic_register): Account for previous changes.
        Use reg_names.  Don't create the label twice.
        * config/sparc/sparc.md (UNSPEC_GET_PC): Rename into
        UNSPEC_LOAD_PCREL_SYM.
        (get_pc): Rename into load_pcrel_sym.  Add predicate to
        operands.  Remove condition.

2004-07-06  Nathan Sidwell  <nathan@codesourcery.com>

        * dbxout.c (dbxout_type): Don't test whether the binfo slot of
        RECORD, UNION & QUAL_UNION is actually a binfo.

        * tree.h (TREE_VIA_VIRTUAL): Rename to ...
        (BINFO_VIRTUAL_P): ... here. Require TREE_BINFO only.
        (BINFO_MARKED, BINFO_FLAG_[16]): New binfo flags.
        * dbxout.c (dbxout_type): Use BINFO_VIRTUAL_P.
        * dwarf2out.c (add_data_member_location_attribute): Likewise.
        (gen_inheritance_die): Likewise.
        * tree-dump.c (deque_and_dump): Likewise.
        * doc/c-tree.texi (Binfos): Add under reconstruction note.

2004-07-06  Steven Bosscher  <stevenb@suse.de>

        * config/mcore/mcore.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
        Define.
        * config/mcore/mcore.md: Model memory latency with a simple DFA
        pipeline description instead of a define_function_unit.

2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * langhooks-def.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Extra arg.
        * langhooks.h (var_mod_type_p): Likewise.
        * c-decl.c (finish_decl): Add extra arg to variably_modified_type_p.
        * expr.c (count_type_elements): Properly handle return from
        array_type_nelts and properly test for overflow.
        * gimplify.c (gimplify_init_constructor): Properly handle return
        from array_type_nelts.
        (gimplify_addr_expr): Remove redundant clear of TREE_SIDE_EFFECTS.
        * integrate.c (copy_decl_for_inlining): Correct comments.
        * tree-inline.c (remap_decl): Update comments, remove dead code,
        and copy DECL_FIELD_OFFSET and DECL_QUALIFIER, if they exist.
        (remap_type): Only remap if variably modified by vars in function
        being inlined.
        (copy_body_r): Use compatible_type langhooks to see when can fold.
        (setup_one_parameter): Don't remap type.
        (inline_forbidden_p_1): Add arg to variably_modified_type_p.
        * tree.c (recompute_tree_invarant_for_addr_expr): Properly
        compute TREE_INVARIANT for decl case.
        (find_var_from_fn): New function.
        (variably_modified_type_p): Add arg and call new function.
        * tree.h (variably_modified_type_p): Add extra arg.

2004-07-05  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.md (nonlocal_goto): Remove disabled code.
        (goto_handler_and_restore_v9): Delete disabled insn.
        (goto_handler_and_restore_v9_sp64): Likewise.

2004-07-05  Roger Sayle  <roger@eyesopen.com>

        * calls.c (load_register_parameters): Call expand_shift instead
        of expand_binop with ashl_optab (or other shift optab) directly.
        * expr.c (emit_group_load, emit_group_store): Likewise.
        * function.c (assign_parm_setup_block): Likewise.
        * stmt.c (shift_return_value): Likewise.

2004-07-05  Jakub Jelinek  <jakub@redhat.com>

        * expr.c (expand_assignment): Disable the bitfield += optimizations.

2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/sourcebuild.texi: Revert previous patch.

2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>

        * c-decl.c, config/m32r/m32r.c, expr.c, optabs.c: Don't check
        TARGET_MEM_FUNCTIONS.
        * system.h: Poison TARGET_MEM_FUNCTIONS.
        * libfuncs.h (LTI_bcopy, LTI_bcmp, LTI_bzero, bcopy_libfunc,
        bcmp_libfunc, bzero_libfunc): Remove.
        * optabs.c (init_obtabs): Don't set bcopy_libfunc, bcmp_libfunc or
        bzero_libfunc.
        * doc/tm.texi (TARGET_MEM_FUNCTIONS): Remove.
        * doc/standards.texi: Don't mention calling BSD string functions.
        * doc/invoke.texi: Likewise.  Mention that memmove may be called.
        * config/vax/t-memfuncs: New.
        * config/memcmp.c, config/memcpy.c, config/memmove.c,
        config/memset.c: New.
        * config/pdp11/t-pdp11 (LIB2FUNCS_EXTRA): Use these files.
        * config.gcc (vax-*-bsd*, vax-*-sysv*, vax-*-ultrix*): Use
        vax/t-memfuncs.
        * config/alpha/alpha.h, config/arc/arc.h, config/arm/arm.h,
        config/avr/avr.h, config/c4x/c4x.h, config/cris/aout.h,
        config/elfos.h, config/gnu.h, config/h8300/h8300.h,
        config/i386/gas.h, config/ia64/ia64.h, config/interix.h,
        config/ip2k/ip2k.h, config/lynx-ng.h, config/m32r/m32r.h,
        config/mcore/mcore.h, config/mips/mips.h, config/mmix/mmix.h,
        config/netbsd.h, config/openbsd.h, config/pa/pa.h,
        config/rs6000/rs6000.h, config/rtems.h, config/s390/s390.h,
        config/sh/sh.h, config/sparc/sparc.h, config/stormy16/stormy16.h,
        config/svr3.h: Don't define TARGET_MEM_FUNCTIONS.

2004-07-05  Richard Henderson  <rth@redhat.com>

        * function.c (assign_parm_setup_reg): Properly rename variables in
        FUNCTION_ARG_CALLEE_COPIES section.

2004-07-05  Zack Weinberg  <zack@codesourcery.com>

        * tree-mudflap.c: Include cgraph.h.
        (mf_init_extern_trees): Rename to mudflap_init.  Export.
        Rewrite to create synthetic declarations instead of looking
        up declarations from mf-runtime.h.
        (mf_make_builtin, mf_make_cache_struct_type): New functions.
        (mf_cache_shift_decl, mf_cache_mask_decl, mf_unregister_fndecl):
        Correct commentary.
        (execute_mudflap_function_decls, mudflap_register_call):
        Don't call mf_init_extern_trees.
        (mudflap_finish_file): Use cgraph_build_static_cdtor.

        * tree-mudflap.h: Update prototypes.
        * c-mudflap.c: Delete file.
        * c-common.c: Include tree-mudflap.h.
        (c_common_nodes_and_builtins): Call mudflap_init if appropriate.
        * Makefile.in: Remove all references to c-mudflap.o.
        Update dependencies.

2004-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.md (prefetch, prefetch_32, prefetch_64): Only allow short
        displacements with the spatial-locality cache-control completer.

2004-07-05  Zack Weinberg  <zack@codesourcery.com>

        * langhooks.c: Don't include gt-langhooks.h.
        (var_labelno): Delete.
        (lhd_set_decl_assembler_name): Do not append a distinguishing
        number to file-scope internal-linkage declarations for the first
        input file, even if they have DECL_CONTEXT set.  Use DECL_UID of
        the declaration itself (if at block scope), or its containing
        TRANSLATION_UNIT_DECL (if at file scope) for the distinguishing
        number.

        * opts.c (cur_in_fname): New global.
        * opts.h: Declare it.
        * tree.c: Include opts.h.
        (make_node_stat): If creating a TRANSLATION_UNIT_DECL, give it
        DECL_UID equal to cur_in_fname.
        (copy_node_stat): Do not change DECL_UID when copying a
        TRANSLATION_UNIT_DECL.
        (build_common_tree_nodes): Adjust next_decl_uid to reserve the
        range 0 .. num_in_fnames-1 for TRANSLATION_UNIT_DECLs.

        * c-decl.c (c_static_assembler_name): Delete.
        * c-tree.h (c_static_assembler_name): Delete prototype.
        * c-lang.c, objc/objc-lang.c: Don't override
        LANG_HOOKS_SET_DECL_ASSEMBLER_NAME.

        * Makefile.in (tree.o): Update dependencies.
        (GTFILES): Remove langhooks.c.

2004-07-05  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold) <TRUNC_MOD_EXPR>: Optimize unsigned modulus
        by a power of two into a bit-wise AND, i.e. "X % C" as "X & (C-1)".
        Normalize "X % C" as "X % -C" for signed modulus and negative C.
        Optimize "X % -Y" as "X % Y" for signed modulus.
        <EQ_EXPR>: Recursively call "fold" when transforming "(X % Y) == 0"
        into "((unsigned) X % Y) == 0".

2004-07-05  Joseph S. Myers  <jsm@polyomino.org.uk>

        * sourcebuild.texi (Config Fragments): Use @comma{} in
        cross-reference to section title.

2004-07-05  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree.h (DECL_SEEN_IN_BIND_EXPR_P): New macro.
        * gimplify.c (gimple_add_tmp_var, gimplify_bind_expr): Use it.
        (gimplify_target_expr, gimplify_expr): Likewise.
        (copy_if_shared_r): No longer need special case for BIND_EXPR.
        (unshare_body, unvisit_body): Only look at nested if BODY_P is
        whole function.
        (gimplify_compound_lval): See if we can strip any useless conversion.
        (gimplify_modify_expr, gimplify_modify_expr_to_memcpy): Take size
        from RHS, not LHS.
        (gimplify_modify_expr_to_memset): Likewise.
        (gimplify_expr, case CONSTRUCTOR): Handle use as statement.
        * tree-inline.c (setup_one_parameter): Use DECL_SEEN_IN_BIND_EXPR_P.
        (declare_inline_vars): Likewise.
        (walk_type_fields): New function.
        (walk_tree): Use it.
        * tree-nested.c (create_tmp_var_for): Show seen in BIND_EXPR.

        * tree-sra.c (struct sra_walk_fns): Init function now returns bool.
        (sra_walk_modify_expr): Allow init function to fail.
        (scan_init): Now returns bool.
        (generate_element_init): If can't understand INIT, return false.
        (scalarize_init): Return false if generate_element_init does.

        * tree-pretty-print.c (dump_generic_node, case ARRAY_TYPE): Properly
        print bounds.

        * expr.c (expand_expr_real_1, case SWITCH_EXPR): Don't check against
        bounds if bounds aren't constant.

        * tree-cfg.c (verify_expr): Use CHECK_OP in binary case.

        * function.c, langhooks-def.h, langhooks.h: Move max_size hook
        to type hooks; remove bogus PARAMS.

2004-07-05  Nathan Sidwell  <nathan@codesourcery.com>

        * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Use TYPE_LANG_SLOT_1.
        * dwarf2out.c (add_data_member_location_attribute): Check for
        TREE_BINFO.
        * tree.c (tree_node_kinds): Add "binfos".
        (binfo_lang_slots): New.
        (make_node_stat): Add TREE_BINFO.
        (make_tree_binfo_stat): New.
        (tree_node_structure): Add TREE_BINFO.
        * tree.def (TREE_BINFO): New.
        * tree.h (REC_OR_UNION_CHECK): Rename to ...
        (RECORD_OR_UNION_CHECK): ... here.
        (NOT_RECORD_OR_UNION_CHECK): New.
        (TRE_VIA_VIRTUAL): Allow TREE_LIST or TREE_BINFO.
        (TYPE_FIELDS, TYPE_METHODS, TYPE_VFIELD): Adjust for
        RECORD_OR_UNION_CHECK.
        (TYPE_BINFO): Use RECORD_OR_UNION_CHECK.
        (TYPE_LANG_SLOT_1): New.
        (BINFO_TYPE, BINFO_OFFSET, BINFO_VTABLE, BINFO_VIRTUALS,
        BINFO_BASETYPES, TYPE_BINFO_BASETYPES, BINFO_VPTR_FIELD,
        BINFO_BASEACCESSES, BINFO_INHERITANCE_CHAIN): Adjust.
        (BINFO_ELTS): Remove.
        (BINFO_LANG_SLOT): New.
        (struct tree_binfo): New.
        (binfo_lang_slots): Declare.
        (enum tree_node_structure_enum): Add TS_BINFO.
        (union tree_node): Add binfo.
        (make_tree_binfo_stat): Declare.
        (make_tree_binfo): New.
        (enum tree_node_kind): Add binfo_kind.

        * objc/objc-act.c (start_class, objc_declare_protocols,
        start_protocols): Use TYPE_LANG_SLOT_1.
        * objc/objc-act.h (CLASS_BINFO_ELTS, PROTOCOL_BINFO_ELTS): Rename
        to ...
        (CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS): ... here.
        (CLASS_IVARS, CLASS_RAW_IVARS, CLASS_STATIC_TEMPLATE,
        CLASS_CATEGORY_LIST, CLASS_PROTOCOL_LIST, CLASS_OWN_IVARS,
        PROTOCOL_LIST, PROTOCOL_FORWARD_DECL): Use TYPE_LANG_SLOT_1.

2004-07-05  Steven Bosscher  <stevenb@suse.de>

        * rtl.h (struct rtx_def): Remove the integrated flag.
        Use the return_val flag for MEM_SCALAR_P.
        Reshuffle and update flags in CLEAR_RTX_FLAGS.

2004-07-05  Richard Sandiford  <rsandifo@redhat.com>

        PR target/16357
        * config/mips/mips.c (mips_block_move_straight): Pass BLKmode memrefs
        to mips_expand_unaligned_load, mips_expand_unaligned_store, and
        move_by_pieces.

2004-07-05  Josef Zlomek  <zlomekj@suse.cz>

        * var-tracking.c: Fix some comments.
        (frame_stack_adjust): New.
        (vt_stack_adjustments): Init stack_adjust of entry block to
        minus stack adjustment of function prologue.
        (adjust_stack_reference): Do not adjust if adjustment == 0.
        (compute_bb_dataflow): Use plus_constant instead of gen_rtx_PLUS.
        (emit_notes_in_bb): Likewise.
        (vt_add_function_parameters): Do not adjust locations of
        function arguments.
        (vt_initialize): Compute the stack adjustment of function
        prologue and offset the initial "location" of frame_base_decl
        from the stack pointer after prologue.

2004-07-04  Richard Henderson  <rth@redhat.com>

        * function.c (struct assign_parm_data_all): New.
        (struct assign_parm_data_one): New.
        (assign_parms_initialize_all, assign_parms_augmented_arg_list,
        assign_parm_find_data_types, assign_parms_setup_varargs,
        assign_parm_find_entry_rtl, assign_parm_is_stack_parm,
        assign_parm_find_stack_rtl, assign_parm_adjust_entry_rtl,
        assign_parm_adjust_stack_rtl, assign_parm_setup_block_p,
        assign_parm_setup_block, assign_parm_setup_reg,
        assign_parm_setup_stack, assign_parms_unsplit_complex): Split from ...
        (assign_parms): ... here.

2004-07-04  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-pre.c (bb_value_sets): phi_gen, tmp_gen, new_sets
        now are bitmap_set_t's.
        (bitmap_insert_into_set): No point in inserting the value if
        it's invariant.
        (bitmap_set_contains): New function.
        (bitmap_set_replace_value): Add comment on why we do it
        this way.
        (set_contains): Removed.
        (bitmap_set_subtract_from_value_set): New name of
        set_subtract now that it's arguments are two different
        types of sets.
        Update callers.
        (bitmap_find_leader): Change algorithm used.
        (find_or_generate_expression): Update use of functions for new
        bitmap sets.
        (create_expression_by_pieces): Ditto.
        (insert_aux): Ditto.
        (insert): Ditto.
        (add_to_sets): Ditto.
        (init_pre): Ditto.
        (execute_pre): Ditto.
        (compute_avail): Ditto.
        Also ignore virtual phis.

2004-07-04  Richard Sandiford  <rsandifo@redhat.com>

        * combine.c (simplify_comparison): Fix comment typo.

2004-07-04  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (SIBCALL_SLOT_EMPTY_P): Rename
        into LEAF_SIBCALL_SLOT_RESERVED_P after negation.
        (eligible_for_sibcall_delay): Adjust use of SIBCALL_SLOT_EMPTY_P.
        (output_restore): Change parameter from 'insn' to 'pat'.
        (output_return): Adjust call to output_restore.
        (output_sibcall): Adjust use of SIBCALL_SLOT_EMPTY_P.
        Adjust call to output_restore.

2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>

        * config/netbsd.h (NETBSD_OS_CPP_BUILTINS_COMMON): Define __unix__
        and assert system is bsd.

2004-07-04  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (MASK_DEBUG_C, TARGET_DEBUG_C_MODE): Delete.
        (TARGET_SWITCHES): Remove -mdebugc.
        * config/mips/mips.md (seq, sne, sgt, sge, slt, sle, sgtu, sgeu)
        (sltu, sleu): Remove TARGET_DEBUG_C_MODE handling.
        (seq_[sd]i, sne_[sd]i, sge_[sd]i, sle_[sd]i_reg, sgeu_[sd]i)
        (sle_[sd]i_reg): Delete.

2004-07-04  Steven Bosscher  <stevenb@suse.de>

        * config/iq2000/iq2000.c (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE):
        Define.
        * config/iq2000/iq2000.md: Translate old pipeline description to an
        equivalent new one.

2004-07-04  Roger Sayle  <roger@eyesopen.com>

        * tree-ssa-ccp.c (set_rhs): Change function to return a bool.
        Ensure the replacement rhs is valid gimple before performing
        the substitution.  Return false if these sanity checks fail.
        (fold_stmt): Only set changed to true, if set_rhs returns true.
        (execute_fold_all_builtins): Only call modify_stmt if set_rhs
        succeeds.

2004-07-04  Richard Henderson  <rth@redhat.com>

        PR c/16348
        * c-typeck.c (c_finish_loop): Don't clear cond for cond_is_first loops.

2004-07-04  Mark Mitchell  <mark@codesourcery.com>

        * configure.ac (ranlib_flags): New variable.
        * Makefile.in (RANLIB_FLAGS): New variable.
        (libbackend.a): Use it.
        * configure: Regenerated.

2004-07-04  Roger Sayle  <roger@eyesopen.com>

        * ifcvt.c (noce_try_sign_mask): Call emit_store_flag to generate
        a "sign mask" instead of using ashr_optab directly.

2004-07-04  Neil Booth  <neil@duron.akihabara.co.uk>

        * doc/cpp.texi: Don't document what we do for ill-formed expressions.
        * doc/cppopts.texi: Clarify processing of command-line defines.

2004-07-04  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/contrib.texi (Contributors): Adjust link for GNU Classpath.

2004-07-04  Richard Henderson  <rth@redhat.com>

        * rtl.def (ADDRESSOF): Remove.
        * alias.c (rtx_equal_for_memref_p): Don't handle addressof.
        (find_base_term, memrefs_conflict_p): Likewise.
        * cse.c (fixed_base_plus_p, find_best_addr: Likewise.
        (fold_rtx, cse_insn, set_live_p): Likewise.
        * dwarf2out.c (mem_loc_descriptor): Likewise.
        (add_location_or_const_value_attribute): Likewise.
        * emit-rtl.c (copy_insn_1): Likewise.
        * explow.c (memory_address): Likewise.
        * expmed.c (store_split_bit_field): Likewise.
        * expr.c (expand_expr_real_1): Likewise.
        * function.c (instantiate_decl
        (instantiate_virtual_regs_1, fix_lexical_addr): Likewise.
        * genrecog.c (preds, validate_pattern): Likewise.
        * integrate.c (copy_rtx_and_substitute): Likewise.
        * recog.c (general_operand, register_operand): Likewise.
        (memory_address_p): Likwise.
        * reload1.c (eliminate_regs, elimination_effects): Likewise.
        * rtl.c (copy_rtx): Likewise.
        * rtlanal.c (rtx_unstable_p, rtx_varies_p): Likewise.
        (rtx_addr_can_trap_p, nonzero_address_p, address_cost): Likewise.
        * rtlhooks.c (gen_lowpart_general): Likewise.
        * stmt.c (expand_asm_operands): Likewise.
        * web.c (entry_register, replace_ref, web_main): Likewise.
        * config/alpha/alpha.c (input_operand, alpha_legitimate_address_p,
        alpha_expand_block_move, alpha_expand_block_clear): Likewise.
        * config/arm/arm.c (thumb_rtx_costs): Likewise.
        * config/c4x/c4x.c (c4x_valid_operands): Likewise.
        * config/frv/frv.c (move_destination_operand, move_source_operand,
        condexec_dest_operand, condexec_source_operand,
        condexec_memory_operand): Likewise.
        * config/h8300/h8300.h (PREDICATE_CODES): Likewise.
        * config/ia64/ia64.c (general_xfmode_operand): Likewise.
        (destination_xfmode_operand): Likewise.
        * config/mips/mips.h (PREDICATE_CODES): Likewise.
        * config/mn10300/mn10300.c (mn10300_address_cost_1): Likewise.
        * config/s390/s390.c (general_s_operand): Likewise.
        * config/s390/s390.md (mov*): Likewise.
        * config/sparc/sparc.h (PREDICATE_CODES): Likewise.

        * c-typeck.c (c_mark_addressable): Don't put_var_into_stack.
        * expr.c (expand_expr_real_1): Likewise.
        * stmt.c (expand_decl): Likewise.
        * config/c4x/c4x.c (c4x_expand_builtin): Likewise.

        * function.c (struct fixup_replacement, struct insns_for_mem_entry,
        postponed_insns, put_var_into_stack, put_reg_into_stack,
        schedule_fixup_var_refs, fixup_var_refs, find_fixup_replacement,
        fixup_var_refs_insns, fixup_var_refs_insns_with_hash,
        fixup_var_refs_insn, fixup_var_refs_1, fixup_memory_subreg,
        walk_fixup_memory_subreg, fixup_stack_1, optimize_bit_field,
        gen_mem_addressof, flush_addressof, put_addressof_into_stack,
        purge_bitfield_addressof_replacements, purge_addressof_replacements,
        purge_addressof_1, insns_for_mem_hash, insns_for_mem_comp,
        struct insns_for_mem_walk_info, insns_for_mem_walk,
        compute_insns_for_mem, is_addressof, purge_addressof, setjmp_protect,
        setjmp_protect_args): Remove.
        (push_function_context_to): Don't handle var_refs_queue.
        (pop_function_context_from, free_after_compilation): Likewise.
        (instantiate_virtual_regs): Don't handle parm_reg_stack_loc.
        (assign_parms, allocate_struct_function): Likewise.
        (use_register_for_decl): New.
        (expand_function_end): Don't setjmp_protect.
        * function.h (struct emit_status): Update commentary.
        (struct function): Remove x_max_parm_reg, x_parm_reg_stack_loc.
        (max_parm_reg, parm_reg_stack_loc): Remove.
        * passes.c (DFI_addressof): Remove.
        (dump_file_info): Remove addressof.
        (rest_of_handle_addressof): Remove.
        (rest_of_compilation): Don't call it.
        * rtl.h (ADDRESSOF_REGNO, ADDRESSOF_DECL): Remove.
        * stmt.c (expand_decl): Use use_register_for_decl.
        * tree.h: Update decls.
        * web.c (mark_addressof): Remove.
        * doc/invoke.texi (-dF): Remove.

2004-07-03  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (spill_xfmode_operand): Use assign_stack_temp
        instead of gen_mem_addressof.
        * config/ia64/ia64.md (movxf): Use assign_stack_temp to handle
        TImode output register.

2004-07-03  Richard Henderson  <rth@redhat.com>

        PR tree-optimization/16341
        * tree-sra.c (sra_walk_function): Increment to next stmt before
        processing the current stmt.
        (sra_insert_after): Always use BSI_SAME_STMT.

2004-07-03  Richard Henderson  <rth@redhat.com>

        * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Don't fold
        fp plus with minus.

2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>

        * tree.c (type_hash_eq): Allow TYPE_MIN_VALUE which compares equal
        with tree_int_cst_equal.

2004-07-03  Andreas Schwab  <schwab@suse.de>

        * config/ia64/ia64.md: Define new attribute "empty".
        (prologue_use, nop_x, insn_group_barrier): Set it.

        * config/ia64/ia64.c (ia64_reorg): When looking for trailing call
        skip over "empty" insns.

2004-07-03  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree-inline.c (initialize_inlined_parameters): Pass proper function
        context to gimplify_body.
        (walk_tree): Don't walk into types twice.
        (walk_tree, case POINTER_TYPE): Deal with mutually recursive pointers.

        * tree-sra.c (generate_element_init): Remove any useless conversions.

        * gimplify.c (gimplify_conversion): Remove stripping useless
        conversions from here.
        (gimplify_expr): Put it here, in place of call to STRIP_MAIN_TYPE_NOPS.
        (gimplify_modify_expr_to_memcpy, gimplify_variable_sized_compare):
        Unshare before substituting PLACEHOLDER_EXPR.
        (gimplify_modify_expr_to_memset): Likewise.
        Pass address of TO to memset, not TO itself.
        (gimplify_init_constructor): Make copy of OBJECT so we have it each
        time we make an expression (to match a PLACEHOLDER_EXPR).

        * tree-ssa.c (tree_ssa_useless_type_conversion): Also look at
        VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
        * tree-ssa-ccp.c (fold_stmt): Call just STRIP_USELESS_TYPE_CONVERSION.
        * tree-ssa-dom.c (local_fold): Likewise.

        * langhooks-def.h (LANG_HOOKS_TYPE_MAX_SIZE): New langhook.
        * langhooks.h (strct lang_hooks): New field type_max_size.
        * function.c (assign_temp): Call it.

2004-07-03  Steven Bosscher  <stevenb@suse.de>

        * config/sh/sh.c (sh_use_dfa_interface): Add TARGET_SH1.
        * config/sh/sh.md: Convert the SH1 pipeline description to
        a DFA model.

2004-07-02  Zack Weinberg  <zack@codesourcery.com>

        * c-decl.c (struct c_binding): Remove contour field; add
        depth, invisible, nested fields.
        (B_IN_SCOPE, B_IN_CURRENT_SCOPE, B_IN_FILE_SCOPE)
        (B_IN_EXTERNAL_SCOPE): New convenience macros.
        (bind): Add invisible and nested arguments. Initialize
        new fields of struct c_binding; adjust loop scanning for
        insertion point.
        (free_binding_and_advance): Clear structure with memset.
        (pop_scope): Adjust to match.  Set DECL_CONTEXT on everything
        in file scope, even if it's in external scope too.
        (pushdecl): Adjust to match.  Create invisible file-scope
        declarations for block-scope forward declarations of static functions.
        (pushtag, warn_if_shadowing, pushdecl_top_level, implicitly_declare)
        (undeclared_variable, lookup_label, declare_label, define_label)
        (lookup_tag, lookup_name, lookup_name_in_scope, builtin_function)
        (c_make_fname_decl, store_parm_decls_newstyle, identifier_global_value)
        (store_parm_decls_oldstyle): Adjust to match.
        (diagnose_mismatched_decls): Correct handling of linkage clashes.
        (merge_decls): No need to copy C_DECL_IN_EXTERNAL_SCOPE.

        * c-tree.h (C_DECL_IN_EXTERNAL_SCOPE): Delete.
        (C_DECL_DECLARED_BUILTIN, C_DECL_REGISTER): Slide down one.

2004-07-02  Richard Henderson  <rth@redhat.com>

        * c-decl.c (grokdeclarator): Don't frob current_function_decl
        around variable_size.
        (set_decl_nonlocal): Remove.
        (store_parm_decls): Add stmts for pending sizes.
        * calls.c (calls_function, calls_function_1): Remove.
        (precompute_arguments): Don't call it.
        * cfgexpand.c (set_save_expr_context): Remove.
        (tree_expand_cfg): Don't call it.
        * dwarf2out.c (add_bound_info): Don't handle SAVE_EXPR.
        (dwarf2out_finish): Likewise.
        * expr.c (emit_block_move): Adjust addresses to BLKmode.
        (store_constructor): Don't pre-evaluate SAVE_EXPR.
        (safe_from_p): Don't queue SAVE_EXPRs.
        (expand_expr_real_1 <case SAVE_EXPR>): Rewrite to expect,
        or build plain VAR_DECLs.
        * fold-const.c (twoval_comparison_p): Don't look at SAVE_EXPR_RTL.
        (fold): Likewise.
        (fold_checksum_tree): Don't special-case SAVE_EXPR.
        * function.c (free_after_compilation): Don't clear x_save_expr_regs.
        (put_var_into_stack): Don't handle SAVE_EXPR.
        (gen_mem_addressof): Likewise.
        * function.h (struct function): Remove x_save_expr_regs.
        (save_expr_regs): Remove.
        * gengtype.c (adjust_field_tree_exp): Don't special-case SAVE_EXPR.
        * print-tree.c (print_node): Don't dump SAVE_EXPR_NOPLACEHOLDER.
        * stor-layout.c (variable_size): Don't set it.
        (force_type_save_exprs, force_type_save_exprs_1): Remove.
        * tree-inline.c (remap_save_expr): Remove fn argument.  Update
        all callers.  Don't set SAVE_EXPR_CONTEXT.
        * tree-inline.h (remap_save_expr): Update decl.
        * tree.c (save_expr): Update build size.
        (first_rtl_op): Don't handle SAVE_EXPR.
        (unsave_expr_1, contains_placeholder_p): Likewise.
        (decl_function_context): Likewise.
        * tree.def (SAVE_EXPR): Remove args 1 and 2.
        * tree.h (SAVE_EXPR_CONTEXT, SAVE_EXPR_RTL): Remove.
        (SAVE_EXPR_NOPLACEHOLDER, SAVE_EXPR_PERSISTENT_P): Remove.

2004-07-03  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/bugreport.texi, doc/configterms.texi, doc/contrib.texi,
        doc/contribute.texi, doc/cpp.texi, doc/cppinternals.texi,
        doc/extend.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
        doc/portability.texi, doc/tree-ssa.texi, doc/trouble.texi: Avoid
        some first-person references and patronizing comments.  Based on
        printed manual.
        * doc/invoke.texi: Don't reference fortran@gnu.org.
        * doc/trouble.texi (Warning when a non-void function value is
        ignored): Rewrite.  From Russ Allbery and Chris Devers.

2004-07-02  Daniel Berlin  <dberlin@dberlin.org)

        * tree-ssa-pre.c (bitmap_set_t): New.
        (bb_value_sets): avail_out is now a bitmap_set_t.
        (bitmap_find_leader): New function.
        (bitmap_value_insert_into_set): Ditto.
        (bitmap_set_copy): Ditto.
        (bitmap_value_replace_in_set): Ditto.
        (bitmap_set_contains_value): Ditto.
        (bitmap_set_new): Ditto.
        (bitmap_set_pool): New pool.
        (find_or_generate_expression): Use bitmap_ functions on AVAIL sets.
        (insert_aux): Ditto.
        (add_to_sets): Ditto.
        (compute_avail): Ditto
        (eliminate): Ditto.
        (init_pre): Ditto.
        (fini_pre): Ditto.
        (execute_pre): Ditto.

2004-07-02  Roger Sayle  <roger@eyesopen.com>

        * config/rs6000/rs6000.c (struct processor_costs): New structure
        used to hold instruction latencies/sizes for processor types.
        (rs6000_cost): New global variable pointing to current CPU's costs.
        (rs6000_override_options): Initialize rs6000_cost to point to the
        appropriate cost table based upon rs6000_cpu and optimize_size.
        (rs6000_rtx_costs): Use rs6000_cost to avoid hardcoding processor
        timings inline.

2004-07-02  Richard Henderson  <rth@redhat.com>

        * expmed.c (make_tree): Don't use SET_DECL_RTL.

2004-07-02  Steven Bosscher  <stevenb@suse.de>

        * tree-flow.h (bb_ann_d): Remove ephi_nodes field.

2004-07-01  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (struct machine_function): Add gp_save_rtx.
        (alpha_gp_save_rtx): Use assign_stack_local instead of
        gen_mem_addressof.

2004-07-01  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (struct alpha_rtx_cost_data): Add int_div.
        (alpha_rtx_cost_data): Update to match.
        (alpha_rtx_cost_size): New.
        (alpha_rtx_costs): Honor optimize_size.

2004-07-01  Richard Henderson  <rth@redhat.com>

        * gimple-low.c (lower_function_body): Don't reset_block_changes here.
        * cfgexpand.c (tree_expand_cfg): Do it here.
        * config/alpha/alpha.c (alpha_output_mi_thunk_osf): And here.
        * config/ia64/ia64.c (ia64_output_mi_thunk): And here.
        * config/mips/mips.c (mips_output_mi_thunk): And here.
        * config/rs6000/rs6000.c (rs6000_output_mi_thunk): And here.
        * config/sh/sh.c (sh_output_mi_thunk): And here.
        * config/sparc/sparc.c (sparc_output_mi_thunk): And here.

2004-07-01  Richard Henderson  <rth@redhat.com>

        * tree.def (RTL_EXPR): Remove.
        * c-typeck.c (lvalue_p): Don't handle it.
        * expr.c (safe_from_p): Likewise.
        (expand_expr_real_1): Likewise.
        * fold-const.c (non_lvalue, operand_equal_p, fold): Likewise.
        (fold_checksum_tree, tree_expr_nonnegative_p): Likewise.
        * gengtype.c (adjust_field_tree_exp): Likewise.
        * stmt.c (warn_if_unused_value): Likewise.
        * tree-gimple.c (recalculate_side_effects): Likewise.
        * tree-pretty-print.c (dump_generic_node): Likewise.
        * tree.c (make_node_stat, first_rtl_op, unsave_expr_1): Likewise.
        (unsafe_for_reeval, stabilize_reference, build1_stat): Likewise.
        * tree.h (RTL_EXPR_SEQUENCE, RTL_EXPR_RTL, RTL_EXPR_ALT_RTL): Remove.

        * stmt.c (struct stmt_status): Remove x_last_expr_type,
        x_last_expr_value, x_last_expr_alt_rtl, x_expr_stmts_for_value.
        (last_expr_type, last_expr_value, last_expr_alt_rtl): Remove.
        (expand_expr_stmt): Merge with expand_expr_stmt_value.  Remove
        all the bits that tracked last_expr.
        (expand_end_bindings): Don't track last_expr.
        (expand_start_stmt_expr, expand_end_stmt_expr): Remove.
        (clear_last_expr): Remove.
        (expand_asm): Don't call it.
        (expand_asm_operands, expand_end_cond): Likewise.
        (expand_naked_return, expand_null_return_1): Likewise.
        * c-typeck.c (c_begin_compound_stmt): Likewise.
        * cfgexpand.c (expand_block): Use expand_expr_stmt.
        * expr.c (expand_expr_real_1): Likewise.
        * tree.h: Update prototypes.

        * function.h (struct sequence_stack): Remove sequence_rtl_expr.
        (struct emit_status): Remove sequence_rtl_expr.
        (struct function): Remove x_rtl_expr_chain.
        (seq_rtl_expr, rtl_expr_chain): Remove.
        * function.c (struct temp_slot): Remove rtl_expr.
        (assign_stack_temp_for_type): Don't set it.
        (free_temp_slots, pop_temp_slots): Don't check it.
        (free_after_compilation): Don't clear x_rtl_expr_chain.
        (fixup_var_refs): Don't search it.
        (preserve_rtl_expr_result, free_temps_for_rtl_expr): Remove.
        * emit-rtl.c (start_sequence): Don't use sequence_rtl_expr
        or seq_rtl_expr.
        (push_topmost_sequence): Likewise.
        (end_sequence, init_emit): Likewise.
        (start_sequence_for_rtl_expr): Remove.
        * expmed.c (make_tree): Build a VAR_DECL instead of an RTL_EXPR.
        * rtl.h (preserve_rtl_expr_result): Remove.

2004-07-02  Kazu Hirata  <kazu@cs.umass.edu>

        * ifcvt.c, modulo-sched.c, tree-alias-common.c, tree-sra.c,
        tree-ssa-copy.c, tree-ssa-dom.c, tree-ssa-pre.c: Fix comment
        typos.

2004-07-02  Aaron W. LaFramboise <aaronraolete36@aaronwl.com>

        * gcc.c (STANDARD_STARTFILE_PREFIX_1): Define.
        (STANDARD_STARTFILE_PREFIX_2): Define.
        (standard_startfile_prefix_1): Initialize to
        STANDARD_STARTFILE_PREFIX_1.
        (standard_startfile_prefix_2): Initialize to
        STANDARD_STARTFILE_PREFIX_2.
        * config/i386/mingw32.h (MD_STARTFILE_PREFIX): Remove.
        (STANDARD_STARTFILE_PREFIX_1): Define.
        (STANDARD_STARTFILE_PREFIX_2): Define.
        * doc/tm.texi (STANDARD_STARTFILE_PREFIX_1): Document.
        (STANDARD_STARTFILE_PREFIX_2): Document.

2004-07-01  Richard Henderson  <rth@redhat.com>

        * tree-sra.c (sra_walk_expr): Don't maybe_lookup_element_for_expr
        in order to disable scalarization.  Instead set a flag and wait
        for a candidate decl.

2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>

        * doc/cppinternals.texi, doc/install.texi, doc/invoke.texi,
        doc/md.texi, doc/sourcebuild.texi, doc/tm.texi, doc/trouble.texi:
        Use terminology "testsuite" and "enumerated".

2004-07-01  Richard Henderson  <rth@redhat.com>

        * dwarf2out.c (reg_save): Use INVALID_REGNUM.
        (dwarf2out_reg_save, dwarf2out_return_save): Likewise.
        (initial_return_save): Likewise.
        (flush_queued_reg_saves): Remap register numbers.
        (dwarf2out_return_reg): Likewise.

2004-07-01  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * gimplify.c (gimplify_one_sizepos): Don't do anything if any VAR_DECL.

        * tree-pretty-print.c (dump_generic_node, case ARRAY_REF): Use
        access functions for lower bound and element size and only output
        if lower bound nonzero or element size not same as that of type.
        (dump_generic_node, case COMPONENT_REF): Use access func. for offset.

2004-07-01  Paolo Bonzini  <bonzini@gnu.org>

        * c-pretty-print.c (pp_c_postfix_expression): Fix pasto.

2004-07-01  Per Bothner  <per@bothner.com>

        * final.c (final):  Fix typo reported by Aaron W. LaFramboise.

2004-07-01  Jakub Jelinek  <jakub@redhat.com>

        * expr.c (expand_assignment): Optimize bitfld += cst for 1 bit
        bitfields as well.  STRIP_NOPS from src operand and PLUS_EXPR's
        first operand.  Don't optimize if the bitfield is volatile.

2004-07-01  Paolo Bonzini  <bonzini@gnu.org>

        * c-pretty-print.c (pp_c_postfix_expression): Handle
        floating-point comparison operators.
        (pp_c_expression): Pass floating-point comparison
        operators to pp_c_postfix_expression.

2004-07-01  Roger Sayle  <roger@eyesopen.com>

        * simplify-rtx.c (simplify_binary_operation) <PLUS, MINUS>: Use
        rtx_cost instead of "had_mult" to determine whether the transformed
        expression is cheaper than the original.

2004-07-01  Jerry Quinn  <jlquinn@optonline.net>

        * alias.c (get_alias_set, canon_rtx, get_addr,
        nonoverlapping_memrefs_p, nonlocal_referenced_p_1, memory_modified_1):
        Use MEM_P.
        * builtins.c (expand_builtin_prefetch, expand_builtin_profile_func,
        expand_builtin): Likewise.
        * calls.c (expand_call, emit_library_call_value_1, store_one_arg):
        Likewise.
        * combine.c (can_combine_p, combinable_i3pat, try_combine,
        find_split_point, combine_simplify_rtx, simplify_set, make_extraction,
        rtx_equal_for_field_assignment_p, gen_lowpart_for_combine,
        record_dead_and_set_regs_1, get_last_value_validate,
        mark_used_regs_combine, move_deaths, unmentioned_reg_p_1): Likewise.
        * cse.c (check_dependence, canon_hash, equiv_constant,
        gen_lowpart_if_possible, cse_insn, invalidate_from_clobbers,
        cse_around_loop, cse_check_loop_start, cse_set_around_loop,
        count_reg_usage): Likewise.
        * cselib.c (rtx_equal_for_cselib_p, add_mem_for_addr, cselib_lookup,
        cselib_invalidate_mem, cselib_invalidate_rtx, cselib_record_set,
        cselib_record_sets): Likewise.
        * dbxout.c (PARM_PASSED_IN_MEMORY, dbxout_symbol,
        dbxout_symbol_location, dbxout_parms, dbxout_reg_parms): Likewise.
        * ddg.c (mark_mem_use, mark_mem_store, rtx_mem_access_p): Likewise.
        * df.c (df_uses_record): Likewise.
        * dojump (do_jump): Likewise.
        * dwarf2out.c (stack_adjust_offset, mem_loc_descriptor,
        loc_descriptor_from_tree, rtl_for_decl_location, add_bound_info,
        decl_start_label): Likewise.
        * emit-rtl.c (gen_complex_constant_part, gen_highpart,
        operand_subword, change_address_1, make_safe_from): Likewise.
        * explow.c (break_out_memory_refs, copy_all_regs, validize_mem,
        stabilize, force_not_mem): Likewise.
        * expmed.c (store_bit_field, store_split_bit_field, extract_bit_field,
        expand_mult_const, expand_divmod, emit_store_flag): Likewise.
        * expr.c (convert_move, convert_modes, emit_block_move,
        emit_group_load, emit_group_store, clear_storage, emit_move_insn,
        emit_move_insn_1, expand_assignment, store_expr,
        store_constructor_field, store_constructor, store_field,
        force_operand, safe_from_p, expand_expr_real_1, expand_increment):
        Likewise.
        * final.c (cleanup_subreg_operands, alter_subreg,
        get_mem_expr_from_op): Likewise.
        * flow.c (notice_stack_pointer_modification_1,
        init_propagate_block_info, insn_dead_p, mark_set_1, mark_used_regs):
        Likewise.
        * function.c (mark_temp_addr_taken, preserve_temp_slots,
        preserve_rtl_expr_result, put_var_into_stack, fixup_var_refs_1,
        optimize_bit_field, flush_addressof, purge_addressof_1,
        instantiate_decl, instantiate_virtual_regs_1, assign_parms,
        setjmp_protect, setjmp_protect_args, fix_lexical_addr,
        keep_stack_depressed): Likewise.
        * ifcvt.c (noce_try_cmove_arith, noce_try_abs, noce_operand_ok,
        noce_process_if_block, find_memory): Likewise.
        * integrate.c (subst_constants, allocate_initial_values): Likewise.
        * local-alloc.c (validate_equiv_mem_from_store, memref_referenced_p,
        update_equiv_regs): Likewise.
        * loop.c (scan_loop, prescan_loop, note_addr_stored, check_store,
        maybe_eliminate_biv_1, find_mem_in_note_1): Likewise.
        * optabs.c (expand_abs, emit_unop_insn): Likewise.
        * passes.c (rest_of_handle_final): Likewise.
        * postreload.c (reload_cse_simplify_set, reload_cse_simplify_operands,
        move2add_note_store): Likewise.
        * ra-build.c (detect_remat_webs): Likewise.
        * ra-debug.c (dump_static_insn_cost): Likewise.
        * ra-rewrite.c (slots_overlap_p, insert_stores): Likewise.
        * recog.c (validate_change, apply_change_group, cancel_changes,
        validate_replace_rtx_1, general_operand, register_operand,
        nonmemory_operand, push_operand, pop_operand, memory_operand,
        indirect_operand, asm_operand_ok, offsettable_memref_p,
        offsettable_nonstrict_memref_p, constrain_operands,
        store_data_bypass_p): Likewise.
        * reg-stack.c (subst_stack_regs_pat): Likewise.
        * regclass.c (record_operand_costs, scan_one_insn, record_reg_classes,
        copy_cost, reg_scan_mark_refs): Likewise.
        * regmove.c (optimize_reg_copy_3, stack_memref_p,
        combine_stack_adjustments_for_block): Likewise.
        * regrename.c (copyprop_hardreg_forward_1): Likewise.
        * reload.c (can_reload_into, push_reload, decompose, immune_p,
        find_reloads, find_reloads_address, find_reloads_address_1,
        reg_overlap_mentioned_for_reload_p, refers_to_mem_for_reload_p,
        find_equiv_reg): Likewise.
        * reload1.c (reload, eliminate_regs, eliminate_regs_in_insn,
        reload_as_needed, choose_reload_regs, emit_input_reload_insns,
        do_input_reload, emit_reload_insns, gen_reload, delete_output_reload,
        delete_address_reloads): Likewise.
        * resource.c (mark_referenced_resources): Likewise.
        * rtlanal.c (get_jump_table_offset, count_occurrences,
        reg_referenced_p, reg_set_p, set_of_1, set_noop_p,
        reg_overlap_mentioned_p, note_uses, replace_regs, nonzero_bits1,
        num_sign_bit_copies1): Likewise.
        * rtlhooks.c (gen_lowpart_general): Likewise.
        * sched-deps.c (sched_analyze_1, sched_analyze_2): Likewise.
        * sdbout.c (PARM_PASSED_IN_MEMORY, sdbout_symbol,
        sdbout_toplevel_data, sdbout_parms, sdbout_reg_parms,
        sdbout_global_decl): Likewise.
        * simplify-rtx.c (simplify_subreg): Likewise.
        * stmt.c (expand_asm_operands, expand_expr_stmt_value, expand_decl,
        expand_anon_union_decl, expand_end_case_type): Likewise.
        * unroll.c (calculate_giv_inc): Likewise.
        * var-tracking.c (stack_adjust_offset_pre_post,
        bb_stack_adjust_offset, track_expr_p, count_uses, add_uses,
        add_stores, compute_bb_dataflow, vt_get_decl_and_offset,
        vt_add_function_parameters): Likewise.
        * varasm.c (make_var_volatile, notice_global_symbol,
        assemble_external, decode_addr_const, mark_weak,
        default_encode_section_info): Likewise.

2004-07-01  Steven Bosscher  <stevenb@suse.de>

        * stmt.c (check_seenlabel): Remove.
        (pushcase, pushcase_range, expand_end_case_type): Don't call it.

2004-07-01  Richard Henderson  <rth@redhat.com>

        * function.h (struct function): Remove x_function_call_count.
        (function_call_count): Remove.
        * calls.c (expand_call): Don't set it.
        * integrate.c (copy_rtx_and_substitute): Likewise.

        * function.h (struct function): Remove x_cleanup_label.
        (cleanup_label): Remove.
        * stmt.c (expand_value_return): Don't use it.
        * function.c (free_after_compilation): Don't set it.
        (expand_function_start): Likewise.  Remove parms_have_cleanups arg.
        * cfgexpand.c (tree_expand_cfg): Update call.
        * tree.h (expand_function_start): Update decl.

2004-07-01  Joseph S. Myers  <jsm@polyomino.org.uk>

        PR c/1027
        * c-lang.c (c_initialize_diagnostics): Move from here ...
        * c-objc-common.c: ... to here.  Include "c-pretty-print.h".
        (c_tree_printer): Use pretty-printer to format %T.
        * c-pretty-print.c (pp_c_specifier_qualifier_list): Include space
        before '*' if not C++.
        (pp_c_direct_abstract_declarator): Don't try to print array upper
        bound for flexible array members.
        * c-tree.h: Include "diagnostic.h".
        (c_initialize_diagnostics): Declare.
        * objc/objc-lang.c (LANG_HOOKS_INITIALIZE_DIAGNOSTICS): Define.
        * c-format.c (format_type_warning): New function.  Improve
        diagnostics for incorrect format argument types.
        (check_format_types): Use it.  Add two parameters.  Use the
        TYPE_MAIN_VARIANT of wanted_type.
        (check_format_info_main): Pass new parameters to
        check_format_types.
        (struct format_wanted_type): Update comment.

2004-07-01  Nick Clifton  <nickc@redhat.com>

        * target.h (struct gcc_target): Add new field to struct cxx:
        import_export_class.
        * target-def.h (TARGET_CXX): Initialise the new field.
        (TARGET_CXX_IMPORT_EXPORT_CLASS): Provide a default value for
        the new field.
        * doc/tm.texi: Document the new target hook.

2004-07-01  Paolo Bonzini  <bonzini@gnu.org>

        * builtins.c (fold_builtin_classify): Fix typo.

2004-07-01  Richard Henderson  <rth@redhat.com>

        * function.c (identify_blocks, identify_blocks_1): Remove.
        * function.h (identify_blocks): Remove.
        * rtl.h (NOTE_INSN_BLOCK_BEG): Update comment.

2004-07-01  Paolo Bonzini  <bonzini@gnu.org>

        * builtins.c (fold_builtin_classify): New.
        (fold_builtin_unordered_cmp): Fix commentary.
        (fold_builtin): Use it.
        * builtins.def: Define builtins for isnan,
        isnanf, isnanl, finite, finitef, finitel,
        isinf, isinff, isinfl.

2004-07-01  Richard Henderson  <rth@redhat.com>

        * function.h (struct function): Remove dont_emit_block_notes.
        * gimple-low.c (lower_function_body): Don't set it.
        * cfgexpand.c (expand_block): Don't check it.
        * cfglayout.c (insn_locators_initialize): Likewise.
        * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
        * passes.c (rest_of_compilation): Likewise.
        * stmt.c (expand_start_bindings_and_block): Likewise.
        (expand_end_bindings): Likewise.

2004-07-01  Richard Henderson  <rth@redhat.com>

        * cgraph.h (cgraph_build_static_cdtor): Declare.
        * cgraphunit.c (cgraph_build_static_cdtor): New.
        * c-objc-common.c (build_cdtor): Use it.
        * coverage.c (create_coverage): Likewise.
        * libfuncs.h (LTI_gcov_init, gcov_init_libfunc): Remove.
        * optabs.c (init_optabs): Don't set gcov_init_libfunc.

See ChangeLog.11 for earlier changes.