* config/darwin.c (darwin_encode_section_info): Always set

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

2005-04-25  Mike Stump  <mrs@apple.com>

        * config/darwin.c (darwin_encode_section_info): Always set
        MACHO_SYMBOL_STATIC for all ! TREE_PUBLIC symbols.

2005-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * collect2.c, gcc.c, gcov-dump.c, gcov.c, gen-protos.c,
        gensupport.c, protoize.c, toplev.c: Replace calls to
        `unlock_stream' with `unlock_std_streams'.

2005-04-25  Devang Patel <dpatel@apple.com>

        * dbxout.c (dbxout_type): Emit attribute vector.
        
2005-04-05  Paul Brook  <julian@codesourcery.com>

        * target-def.h (TARGET_CXX_USE_AEABI_ATEXIT): Define.
        * target.h (struct gcc_target): Add cxx.use_aeabi_atexit.
        * config/arm/arm.c (arm_cxx_atexit_name): New function.
        (TARGET_CXX_USE_AEABI_ATEXIT): New macro.
        * cp/decl.c (get_atexit_node): Reorder arguments for __aeabi_atexit.
        (register_dtor_fn): Likewise.
        * doc/tm.texi: Document TARGET_CXX_USE_AEABI_ATEXIT.

2005-04-25  Ian Lance Taylor  <ian@airs.com>

        * c-common.def (EXPR_STMT): Remove, moved to C++ frontend.
        * c-common.h (EXPR_STMT_EXPR): Don't define.
        (c_common_stmt_codes): Don't define.
        * c-dump.c (c_dump_tree): Remove EXPR_STMT case.
        * c-gimplify.c (gimplify_expr_stmt): Remove.
        (c_gimplify_expr): Remove EXPR_STMT case.
        * c-objc-common.c (c_objc_common_init): Remove stmt_codes and call
        to INIT_STATEMENT_CODES.
        * c-pretty-print.c (pp_c_statement): Just call dump_generic_node.

2005-04-25  Jan Hubicka  <jh@suse.cz>

        * tree-cfg.c (tree_duplicate_bb): Duplicate EH region too.

        * except.c: Include diagnostic.h
        (dump_eh_tree, verify_eh_tree): New functions.
        * except.h (verify_eh_tree, dump_eh_tree, verify_eh_edges): Declare.
        * tree-cfg.c (tree_verify_flow_info): verify eh edges.
        (dump_function_to_file): dump eh tree.
        * tree-eh.c (mark_eh_edge): New function.
        (mark_eh_edge_found_error): New static variable.
        (verify_eh_edges): New function.

2005-04-25  Nathan Sidwell  <nathan@codesourcery.com>

        * tree-ssa-alias.c (fieldoff_t): Remove.
        (fieldoff_s): typedef the structure itself.  Create a vector of
        objects.
        (push_fields_onto_fieldstack): Return count of fields pushed.
        Remove peeling of first field.  Adjust.
        (fieldoff_compare): Adjust.
        (create_overlap_variables_for): Adjust.

2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>

        * doc/invoke.texi (Blackfin Options): Avoid empty @opindex line.

2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>

        PR bootstrap/21215
        * doc/install.texi: Document correct assembler and linker to use
        on i?86-*-solaris2.10.

2005-04-25  Steven Bosscher  <stevenb@suse.de>

        Fix PR tree-optimization/21173

        * tree-ssa-pre.c (create_expression_by_pieces): Simplify code.
        Unshare expression we pass to force_gimple_operand.

2005-04-25  J"orn Rennecke <joern.rennecke@st.com>
            Stephen Clarke <stevec@superh.com>
            Roger Sayle <roger@eyesopen.com>

        PR rtl-optimization/20413
        * cfgrtl.c (redirect_edge_and_branch): Use Pmode instead of
        VOIDmode for LABEL_REF.
        * final.c (shorten_branches): Likewise.
        * jump.c (mark_all_labels, redirect_exp_1): Likewise.
        * loop.c (reg_dead_after_loop): Likewise.
        * varasm.c (decode_addr_const): Likewise.
        * doc/rtl.texi: Document mode requirement for LABEL_REF.

2005-04-25  Ralf Corsepius  <ralf.corsepius@rtems.org>

        * config.gcc (avr-*-*): Remove redundant "case".

2005-04-25  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-vect-analyze.c (vect_mark_relevant): Take
        VEC(tree,heap) instead of varray_type as an argument.
        (vect_mark_stmts_to_be_vectorized): Change the type of
        worklist to VEC(tree,heap).  Adjust uses of worklist.

2005-04-24  Devang Patel  <dpatel@apple.com>

        *  config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
        
2005-04-24  Ian Lance Taylor  <ian@airs.com>

        * c-semantics.c (build_stmt): Remove test of specific tree codes
        for TREE_SIDE_EFFECTS handling.

2005-04-24  Per Bothner  <per@bothner.com>

        * c-opts.c (finish_options):  Make the line-number of the <built-in>
        location 0, as assumed elsewhere, rather than 1.

2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-uncprop.c (equiv_stack): Change the type o
        VEC(tree,heap).
        (tree_ssa_uncprop, uncprop_finalize_block,
        uncprop_initialize_block): Update uses of equiv_stack.

2005-04-24  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/21163
        * simplify-rtx.c (simplify_binary_operation) <IOR>: Check
        for SCALAR_INT_MODE_P instead of not MODE_CC before returning
        constm1_rtx.
        <AND, LSHIFTRT, UMIN>: Use CONST0_RTX.
        <UDIV, UMOD>: Use CONST0_RTX and CONST1_RTX.
        <DIV, MOD>: Likewise.

2005-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * collect2.c (main): Unlock the stdio streams.
        * gcc.c (main): Likewise.
        * gcov-dump.c (main): Likewise.
        * gcov.c (main): Likewise.
        * gen-protos.c (main): Likewise.
        * gensupport.c (init_md_reader_args_cb): Likewise.
        * protoize.c (main): Likewise.
        * toplev.c (general_init): Likewise.

2005-04-24  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/20991
        * cgraph.h (cgraph_local_info): Add vtable_method field.
        * varasm.c (mark_decl_referenced): If cgraph_global_info_ready
        and node is vtable_method, finalized and not reachable, don't do
        anything.

2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Use
        COMPARISON_CLASS_P.
        * tree-ssa-pre.c (create_value_expr_from): Use
        CONSTANT_CLASS_P and REFERENCE_CLASS_P.
        * tree-ssa-propagate.c (stmt_makes_single_load,
        stmt_makes_single_store): Use REFERENCE_CLASS_P.
        * tree-vect-transform.c (vect_is_simple_cond): Use
        COMPARISON_CLASS_P.
        * tree-vrp.c (extract_range_from_assert,
        build_assert_expr_for, fp_predicate, has_assert_expr): Use
        COMPARISON_CLASS_P.

        * tree-ssa-live.c (build_tree_conflict_graph): Change the type
        of tpa_to_clear to VEC(int,heap).  Update uses of
        tpa_to_clear.  Free tpa_to_clear at the end.

2005-04-24  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree.h (TREE_THIS_VOLATILE): Document the effect on a
        function decl.

2005-04-24  Nathan Sidwell  <nathan@codesourcery.com>

        * config/rs6000/rs6000.c (rs6000_override_options): Use gcc_assert
        and gcc_unreachable as appropriate.
        (num_insns_constant, output_vec_const_move,
        build_mask64_2_operands, rs6000_output_dwarf_dtprel,
        rs6000_emit_set_const, rs6000_emit_move,
        spe_build_register_parallel, function_arg,
        rs6000_move_block_from_reg, altivec_expand_predicate_builtin,
        spe_expand_predicate_builtin, spe_expand_evsel_builtin,
        rs6000_expand_builtin, spe_init_builtins, altivec_init_builtins,
        rs6000_common_init_builtins, expand_block_clear,
        expand_block_move, validate_condition_mode, ccr_bit, extract_MB,
        extract_ME, rs6000_get_some_local_dynamic_name,
        rs6000_output_function_entry, print_operand,
        print_operand_address, rs6000_generate_compare, rs6000_emit_sCOND,
        output_cbranch, output_e500_flip_gt_bit,
        rs6000_emit_vector_compare, rs6000_emit_vector_compare,
        rs6000_emit_cmove, rs6000_emit_minmax, rs6000_split_multireg_move,
        compute_save_world_info, rs6000_stack_info,
        rs6000_emit_load_toc_table, rs6000_frame_related,
        spe_synthesize_frame_save, rs6000_emit_epilogue,
        rs6000_output_function_epilogue, rs6000_hash_constant, output_toc,
        output_function_profiler, rs6000_trampoline_size,
        rs6000_initialize_trampoline, find_addr_reg,
        rs6000_machopic_legitimize_pic_address,
        rs6000_initial_elimination_offset,
        rs6000_dbx_register_number): Likewise.
        * config/rs6000/rs6000.md (*fix_truncdfsi2_internal,
        *movdf_hardfloat32, *movdf_softfloat32, *fix_trunctfsi2_internal,
        *movti_power, *movti_string, call, call_value, sibcall,
        sibcall_value): Likewise.
        * config/rs6000/spe.md (*movdf_e500_double,
        *movv2si_internal): Likewise.
        * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Remove 'abort'
        from comment.

2005-04-24  Richard Henderson  <rth@redhat.com>

        PR target/21101
        * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Move guts to ...
        * config/i386/i386.c (ix86_cannot_change_mode_class): ... here.
        Deny modes smaller than 4 bytes.
        * config/i386/i386-protos.h: Update.

2005-04-24  Ralf Corsepius  <ralf.corsepius@rtems.org>

        * config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*.
        Switch h8300-*-rtems* to ELF.

2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>

        * vec.h (VEC_safe_grow): Replace grow with safe_grow.

2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>

        * ipa-inline.c, tree-ssa-operands.h: Fix comment typos.

2005-04-23  Richard Guenther  <rguenth@gcc.gnu.org>

        PR middle-end/21082
        * fold-const.c: Fold &a[i]-&a[j] to i-j.

2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-loop-niter.c (tree_simplify_using_condition): Expand simple
        definitions of ssa names in condition.  Split recusive part to ...
        (tree_simplify_using_condition_1): New function.
        (expand_simple_operations): New function.

2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-loop-ivopts.c (struct cost_pair): Add value field.
        (find_interesting_uses_cond): Do not use integer_zerop and
        integer_nonzerop to check for integer constants.
        (set_use_iv_cost): Record the value field.
        (determine_use_iv_cost_generic, determine_use_iv_cost_address,
        determine_use_iv_cost_outer): Set the value field of the cost pair.
        (may_eliminate_iv): Do not return the comparison code.
        (iv_elimination_compare): New function.
        (determine_use_iv_cost_condition): Set the value field.  Record
        noneliminable invariants correctly.
        (rewrite_use_compare, rewrite_use_outer): Use the value field.

2005-04-23  DJ Delorie  <dj@redhat.com>

        * diagnostic.c (warning): Accept parameter to classify warning option.
        (warning0): New, for when a pointer to an error() like function is needed.
        * errors.c (warning): Likewise.
        * errors.h (warning, warning0): Adjust prototypes.
        * toplev.h (warning, warning0): Likewise.

        * attribs.c, builtins.c, c-common.c, c-decl.c, c-format.c,
        c-gimplify.c, c-lex.c, c-objc-common.c, c-opts.c, c-parser.c,
        c-pragma.c, c-typeck.c, calls.c, cgraph.c, coverage.c, emit-rtl.c,
        fold-const.c, fortran/trans-decl.c, function.c, gcse.c,
        genautomata.c, haifa-sched.c, opts.c, passes.c, regclass.c,
        reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
        tree-dump.c, tree-inline.c, tree-mudflap.c, tree-optimize.c,
        tree-ssa.c, tree.c, varasm.c: Adjust warning() callers.

        * config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
        config/avr/avr.c, config/bfin/bfin.c, config/c4x/c4x-c.c,
        config/c4x/c4x.c, config/cris/cris.c, config/darwin-c.c,
        config/darwin.c, config/darwin.h, config/h8300/h8300.c,
        config/i386/cygming.h, config/i386/djgpp.h, config/i386/i386.c,
        config/i386/winnt.c, config/ia64/ia64-c.c, config/ia64/ia64.c,
        config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
        config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.c,
        config/mmix/mmix.c, config/ns32k/ns32k.c, config/pa/pa-hpux11.h,
        config/pa/pa.c, config/rs6000/aix43.h, config/rs6000/aix51.h,
        config/rs6000/aix52.h, config/rs6000/darwin.h,
        config/rs6000/rs6000-c.c, config/rs6000/rs6000.c,
        config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
        config/sh/symbian.c, config/sol2-c.c, config/sol2.c,
        config/stormy16/stormy16.c, config/v850/v850-c.c,
        config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning()
        callers.
        
2005-04-23  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/21102
        * simplify-rtx.c (simplify_binary_operation): Fix mode check before
        performing some integral scalar simplifications.

2005-04-23  Richard Henderson  <rth@redhat.com>

        PR target/21099
        * config/i386/i386.c (ix86_split_to_parts): Use proper mode when
        simplifying CONST_VECTOR.

2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-live.c (live_worklist): Take a stack allocated on
        heap as an argument.  Update uses of stack.
        (calculate_live_on_entry): Allocate stack on heap.

        * tree-ssa-live.c (build_tree_conflict_graph): Allocate
        partition_link and tpa_nodes on heap.

        * tree-ssa-dce.c (worklist): Change to VEC(tree,heap).
        (mark_stmt_necessary, propagate_necessity,
        mark_really_necessary_kill_operand_phis): Update uses of
        worklist.
        (tree_dce_init): Allocate worklist using VEC_alloc.
        (tree_dce_done): Free worklist using VEC_free.

2005-04-23  Mike Stump  <mrs@apple.com>

        * config/darwin.c (machopic_indirection_name): Don't use
        quotes needlessly.
        (darwin_emit_unwind_label): Use user_label_prefix instead of
        "_".

2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>

        * final.c, ipa-inline.c, varasm.c: Fix comment typos.

2005-04-23  Hans-Peter Nilsson  <hp@axis.com>

        * config.gcc <cris-*>: Specify .opt files.
        * config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt,
        config/cris/linux.opt: New files.
        * config/cris/aout.h (CRIS_SUBTARGET_SWITCHES)
        (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
        (TARGET_ELF): Override to 0.
        (CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and
        -melinux-stacksize=N.
        * config/cris/cris.c: (cris_handle_option): New function.
        (TARGET_DEFAULT_TARGET_FLAGS): Override.
        (TARGET_HANDLE_OPTION): Override to cris_handle_option.
        (cris_override_options): Use MASK_*, not TARGET_MASK_*.
        * config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO,
        (TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG)
        (TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES)
        (TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL)
        (TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN)
        (TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN)
        (TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN)
        (TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE)
        (TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD)
        (TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF)
        (TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX)
        (TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT)
        (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES)
        (CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS)
        (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
        (TARGET_LINUX): Define 0.
        (TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
        (CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF.
        (CRIS_SUBTARGET_DEFAULT): New empty default macro.
        * config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define.
        (TARGET_LINUX): Override to 1.
        (CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.

2005-04-23  Nathan Sidwell  <nathan@codesourcery.com>

        * haifa-sched.c (schedule_block): Fix thinko in previous
        assertification patch.

2005-04-23  Richard Sandiford  <rsandifo@redhat.com>

        * config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to
        $extra_options.  Also add pa/pa-hpux1010.opt for hpux10.[1-9]*.
        (hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
        pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to
        $extra_options.  Also add pa/pa-hpux1111.opt for hpux11.[1-9]*.
        (hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
        pa/pa-hpux.opt to $extra_options.  Also add pa/pa-hpux1111.opt
        for hpux11.[1-9]*.
        * config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch)
        (pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags)
        (MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS)
        (MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY)
        (TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING)
        (MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS)
        (MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE)
        (TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS)
        (TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH)
        (MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD)
        (MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20)
        (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS)
        (SUBTARGET_OPTIONS): Delete.
        (TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20.
        (TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000)
        instead of a string.
        * config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string)
        (pa_cpu_string, pa_unix_string): Delete.
        (pa_cpu): Initialize to TARGET_SCHED_DEFAULT.
        (flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and
        TARGET_HPUX_10_10.
        (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
        (pa_handle_option): New function.
        (override_options): Remove handling of -march=, -mfixed-range=,
        -mschedule= and -munix=.
        * config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete.
        * config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete.
        * config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete.
        * config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete.
        * config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete.
        * config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete.
        * config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before
        redefining.
        * config/pa/pa.opt: New file.
        * config/pa/pa-hpux.opt: New file.
        * config/pa/pa-hpux1010.opt: New file.
        * config/pa/pa-hpux1111.opt: New file.
        * config/pa/pa64-hpux.opt: New file.

2005-04-22  David S. Miller  <davem@davemloft.net>

        * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
        integer when it's mode is VOIDmode not DImode.

2005-04-22  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/rs6000.md (sync_add<mode>_internal,
        sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
        sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
        sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
        sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
        "bne- $-xxx" rather than local labels.
        (sync_lock_release<mode>): Add second operand.
        (lwsync): Use .long rather than a more meaningful opcode.
        * doc/md.texi (Standard Names): Add description of second
        parameter to sync_lock_test_and_set.

2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>

        PR tree-optimization/21088
        * fold-const.c (fold_unary, fold_binary, fold_ternary):
        Export.
        * tree-vrp.c (compare_values): Use fold_binary to compare
        pointers.  Use boolean_type_node as the type of a comparison
        expression being folded.
        * tree.h: Add prototypes for fold_unary, fold_binary,
        fold_ternary.

        * tree-ssa-dom.c: Fix formatting.

2005-04-22  Diego Novillo  <dnovillo@redhat.com>

        * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
        * lambda-code.c (perfect_nestify): Mark virtual operands in
        the moved statement for renaming.
        * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
        (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
        * params.h (MIN_VIRTUAL_MAPPINGS): Define.
        (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
        * tree-flow.h (struct var_ann_d): Update comments.
        (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
        allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
        debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
        debug_tree_ssa_stats, rewrite_ssa_into_ssa,
        dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
        debug_names_replaced_by): Remove declarations.
        (delete_update_ssa, get_current_def, set_current_def): Declare.
        (rewrite_into_loop_closed_ssa): Add new argument.  Update
        all callers.
        * tree-into-ssa.c: Include params.h.
        (old_virtual_ssa_names): Remove.  Update all users.
        (need_to_replace_names_p): Remove.  Update all users.
        (struct update_ssa_stats_d): Declare.
        (update_ssa_stats): New local.
        (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
        dump_tree_ssa_stats, debug_tree_ssa_stats,
        dump_update_ssa, debug_update_ssa,
        dump_names_replaced_by, debug_names_replaced_by): Declare.
        (get_current_def, set current_def): Make extern.
        (is_old_name, is_new_name): Protect against references
        past the end of the sets.
        (add_new_name_mapping): Assert that OLD and NEW are
        different SSA names for the same symbol.
        When adding a virtual mapping, update stats for virtual
        mapping heuristic.
        (insert_phi_nodes_for): If UPDATE_P is true, create the
        LHS of the new PHI by duplicating SSA name VAR.
        (insert_phi_nodes_1): Remove.  Update all users.
        (insert_phi_nodes): Remove second argument.  Update all
        users.
        (maybe_replace_use, maybe_replace_def): New.
        (rewrite_update_stmt): Call them.
        (mark_def_interesting): Remove calls to is_gimple_reg.
        (prepare_phi_args_for_update): Remove.  Update all users.
        (prepare_block_for_update): Only process virtual operands
        and GIMPLE registers in normal form.
        (prepare_use_sites_for): New.
        (prepare_names_to_update): Rename from prepare_def_sites.
        Call prepare_use_sites_for.
        (dump_update_ssa): Rename from dump_repl_tbl.
        Update all users.
        Show statistics for virtual mapping heuristic.
        (debug_update_ssa): Rename from debug_debug_repl_tbl.
        (init_update_ssa): Initialize UPDATE_SSA_STATS.
        (delete_update_ssa): Make extern.
        (mark_set_for_renaming): If the set is empty, do nothing.
        (release_ssa_name_after_update_ssa): Update comment.
        (insert_updated_phi_nodes_for): Do not remove existing
        PHI nodes for symbols.
        (switch_virtuals_to_full_rewrite_p): New.
        (switch_virtuals_to_full_rewrite): New.
        (update_ssa): Call them.
        Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
        for every statement before updating.
        If all the names in NEW_SSA_NAMES have been marked for
        removal, do nothing.
        Only start at the top of the CFG if there are symbols in
        SYMS_TO_RENAME.
        (ssa_rewrite_finalize_block): Remove.
        (ssa_register_new_def): Remove.
        (ssa_rewrite_stmt): Remove.
        (ssa_rewrite_phi_arguments): Remove.
        (ssa_rewrite_initialize_block): Remove.
        (ssa_mark_def_sites): Remove.
        (ssa_mark_def_sites_initialize_block): Remove.
        (ssa_mark_phi_uses): Remove.
        (rewrite_ssa_into_ssa): Remove.
        * tree-phinodes.c (find_phi_node_for): Remove.
        * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
        Call update_ssa.
        * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
        Remove calls to verify_dominators and
        verify_loop_structure.
        (tree_unswitch_single_loop): Call update_ssa.
        * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
        returns false.
        Call verify_stmts.
        (delete_tree_ssa): Assert that need_ssa_update_p returns
        false.
        * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
        * tree-vectorizer.c (allocate_new_names, rename_def_op,
        free_new_names): Remove.  Update all users.
        (rename_use_op): Call get_current_def.
        (rename_variables_in_bb): Do not handle any real or
        virtual definition.
        (slpeel_update_phis_for_duplicate_loop): Call
        get_current_def and set_current_def instead of using
        SSA_NAME_AUX.
        (slpeel_update_phi_nodes_for_guard2): Reformat comments.
        (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
        ssa_names_to_replace and delete_update_ssa.
        * doc/invoke.texi: Document --param min-virtual-mappings
        and --param virtual-mappings-ratio.

2005-04-22  Diego Novillo  <dnovillo@redhat.com>

        * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
        for newly created PHI nodes.
        Call create_new_def_for for every new V_MAY_DEF and
        V_MUST_DEF on the copied statement.
        (struct ssa_name_map_entry): Remove.
        (ssa_name_map_entry_hash): Remove.
        (ssa_name_map_entry_eq): Remove.
        (allocate_ssa_names): Remove.
        (rewrite_to_new_ssa_names_def): Remove.
        (rewrite_to_new_ssa_names_use): Remove.
        (rewrite_to_new_ssa_names_bb): Remove.
        (rewrite_to_new_ssa_names): Remove.
        (tree_duplicate_sese_region): Remove variables ver,
        definitions, phi, ssa_name_map and bi.
        Call need_ssa_update_p instead of any_marked_for_rewrite_p.
        Call update_ssa.
        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
        update_ssa instead of rewrite_ssa_into_ssa.
        * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
        create_new_def_for.
        (find_uses_to_rename_use): Add argument 'need_phis'.
        (find_uses_to_rename_stmt): Do not scan virtual operands.
        (find_uses_to_rename): Only scan PHI nodes for
        non-virtual names.
        (rewrite_into_loop_closed_ssa): Call update_ssa.
        (check_loop_closed_ssa_use): Ignore virtual operands.
        (check_loop_closed_ssa_stmt): Likewise.
        (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
        NULL.
        (rename_variables, set_phi_def_stmts): Remove.
        (tree_duplicate_loop_to_header_edge): Reformat comment.
        Remove variables BB, I and DEFINITIONS.
        Call need_ssa_update_p.
        Call update_ssa.
        (lv_adjust_loop_header_phi): Reformat comment.
        * tree-ssanames.c (ssa_names_to_rewrite): Remove.
        (marked_for_rewrite_p, any_marked_for_rewrite_p,
        mark_for_rewrite, unmark_all_for_rewrite,
        marked_ssa_names): Remove.  Update all users.
        (release_ssa_name): If VAR has been registered for SSA
        updating, do nothing.
        * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
        (build_assert_expr_for): Call register_new_name_mapping.
        (insert_range_assertions): Update call to update_ssa.
        * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
        marked_for_rewrite_p, any_marked_for_rewrite_p,
        marked_ssa_names): Remove.

2005-04-22  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
        (restore_currdefs_to_original_value): Likewise.
        (register_definitions_for_stmt): Likewise.
        (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
        for each variable.  Do not allocate/free block_defs_stack either.
        Do not iterate if we just thread jumps.  Only iterate if the
        tree_cleanup_cfg does useful work (temporary).
        (dom_opt_initialize_block): No longer push a marker on
        BLOCK_DEFS_STACK.
        (dom_opt_finalize_block): Removal call to restore currdefs.
        Relax restrictions for recording edge equivalences.
        (record_equivalences_from_phis): No longer need to track
        CURRENT_DEF.
        (optimize_stmt): Similarly.
        (thread_across_edge): Simplify by removing the requirement that
        statements in the block we are threading through must be nops.
        (initialize_hash_element): Handle GOTO_EXPR.

2005-04-22  David S. Miller  <davem@davemloft.net>

        * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
        CONST_DOUBLE_HIGH.
        * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
        fix check on CONST_DOUBLE mode.  It should be VOIDmode
        when it is representing an integer.

2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>

        * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
        'abort'. Use gcc_assert and gcc_unreachable as appropriate.
        * c-format.c (get_constant, decode_format_attr, get_flag_spec, 
        find_char_info_specifier_index,
        find_length_info_modifier_index): Likewise.
        * c-typeck.c (composite_type, pop_init_level): Likewise.
        * combine.c (cant_combine_insn_p, try_combine): Likewise.
        * cse.c (cse_insn): Likewise
        * dominance.c (calc_dfs_tree): Likewise
        dwarf2out.c (loc_descriptor_from_tree_1,
        add_abstract_origin_attribute, force_decl_die,
        force_type_die): Likewise
        emit-rtl.c (operand_subword_force): Likewise
        explow.c (hard_function_value): Likewise
        expmed.c (store_bit_field, expand_divmod,
        emit_store_flag_force): Likewise
        expr.c (emit_move_multi_word, store_expr,
        expand_expr_real_1): Likewise
        final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
        output_operand): Likewise
        flow.c (recompute_reg_usage): Likewise
        * function.c (assign_stack_temp_for_type, assign_temp, 
        handle_epilogue_set): Likewise
        * genextract.c (main): Likewise
        * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
        gimplify_modify_expr_rhs, gimplify_expr): Likewise
        * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
        ready_remove, rm_line_notes, rm_other_notes,
        schedule_block): Likewise
        mips-tfile.c (copy_object, out_of_bounds): Likewise

2005-04-22 David Edelsohn  <edelsohn@gnu.org>

        PR target/20813
        * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
        * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
        rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
        (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
        TARGET_XL_COMPAT.
        * doc/invoke.texi (PowerPC options): Change rs64a to rs64.

2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>

        * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
        (gcc_tree_to_linear_expression): Convert to heap allocated
        vectors.
        (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
        lbv_to_gcc_expression, lle_to_gcc_expression,
        lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest, 
        perfect_nestify): Likewise.
        lambda.h (gcc_loopnest_to_lambda_loopnest,
        lambda_loopnest_to_gcc_loopnest): Likewise.
        tree-loop-linear.c (linear_transform_loops): Likewise.

2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/predicates.md (arith_double_operand): Use
        trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
        * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
        (DImode, DFmode constant splitters): Likewise.  Remove code for
        TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
        (logical constant splitters): Use const_int_operand predicate.
        (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
        HOST_BITS_PER_WIDE_INT < 64.

2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>

        * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
        gcc_unreachable as appropriate.
        (force_mode, emit_move_sequence, singlemove_string,
        output_move_double, output_fp_move_double, find_addr_reg,
        output_block_move, output_block_clear, output_and,
        output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
        pa_adjust_cost, pa_issue_rate, print_operand,
        output_global_address, output_arg_descriptor, output_cbranch,
        output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
        output_call): Likewise.
        * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
        prefetch, prefetch_cc, prefetch_nocc): Likewise.

2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>

        * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
        _gcov_pow2_profiler and _gcov_one_value_profiler.
        (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
        (GTFILES): Add $(srcdir)/tree-profile.c.
        * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
        __gcov_one_value_profiler): Declare.
        * gimplify.c (force_gimple_operand): Check whether the statements
        should be produced in ssa form.
        (force_gimple_operand_bsi): New function.
        * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
        __gcov_one_value_profiler): New functions.
        * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
        the profiled value is a power of two or not.
        * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
        * tree-flow.h (in_ssa_p): Declare.
        (force_gimple_operand_bsi): Declare.
        * tree-into-ssa.c (in_ssa_p): New variable.
        (rewrite_into_ssa): Set in_ssa_p.
        * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
        * tree-profile.c: Include ggc.h and gt-tree-profile.h.
        (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
        tree_one_value_profiler_fn): New variables.
        (tree_init_edge_profiler): Initialize the profiler function decls.
        (tree_gen_edge_profiler): Use global gcov_type_node.
        (prepare_instrumented_value): New function.
        (tree_gen_interval_profiler, tree_gen_interval_profiler,
        tree_gen_one_value_profiler): Call the library functions instead of
        creating instrumentation code.
        * tree.c (build_fn_decl): New function.
        * tree.h (build_fn_decl): Declare.
        * value-prof.c (rtl_divmod_values_to_profile,
        rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
        tree_mod_pow2_value_transform, tree_find_values_to_profile):
        Do not handle may_be_other and precise values of exponents at pow2
        profiler.
        (tree_mod_subtract_transform): Reflect that value field of
        histogram has changed meaning.
        (tree_divmod_values_to_profile): Record the values correctly.
        (tree_values_to_profile): Update comment.
        * value-prof.h (struct histogram_value_t): Remove pow2 data.

2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>

        * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
        (decl).

2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>

        * config/i386/i386.md (length_immediate): Use gcc_assert or
        gcc_unreachable, as appropriate.
        (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
        *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
        *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
        *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
        *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
        *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
        *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
        *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
        *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
        *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
        *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
        *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
        pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
        pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
        *prefetch_sse_rex): Likewise.
        * config/i386/predicates.md (x86_64_immediate_operand,
        x86_64_zext_immediate_operand, symbolic_operand,
        no_seg_address_operand, aligned_operand,
        memory_displacement_operand): Likewise.
        * config/i386/sse.md (*mov<mode>_internal,
        *movv2df_internal): Likewise.

2005-04-22  Jan Hubicka  <jh@suse.cz>

        * Makefile.in (ipa.o, ipa-inline.o): New files.
        * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
        cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
        cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
        * cgraphunit.c (cgraph_default_inline_p,
        cgraph_decide_inlining_incrementally,  ncalls_inlined,
        nfunctions_inlined, initial_insns, overall_insns, 
        cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
        cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
        cgraph_mark_inline, cgraph_check_inline_limits,
        cgraph_default_inline_p, cgraph_recursive_inlining_p,
        update_callee_keys, lookup_recursive_calls,
        cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
        cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
        cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
        pass_ipa_inline): Move to ipa-inline.c
        (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
        * ipa.c: New file.
        * ipa-inline.c: New file.

2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/invoke.texi (SPARC options): Document that -mapp-regs
        is turned off by default on Solaris.

2005-04-21  Roger Sayle  <roger@eyesopen.com>

        * c-common.h (objc_build_method_signature): Update prototype.
        * stub-objc.c (objc_build_method_signature): Update the stub
        implementation to accept and ignore additional parameter.
        * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
        the value of ellipsis to objc_build_method_signature instead
        of setting TREE_OVERFLOW on the parms TREE_LIST node.

2005-04-21  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
        * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
        gen_rtx_* not gen_rtx_fmt_*.
        (rs6000_emit_vector_select): Likewise.
        (rs6000_emit_sync): New.
        * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
        (larx, stcx, cmp): New mode substitutions.
        (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
        UNSPEC_ISYNC): New constants.
        (rlwinm): Give name.
        (memory_barrier, isync, lwsync): New insns.
        (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
        (sync_lock_release<mode>): New expander.
        (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
        sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
        sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
        sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
        sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
        sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
        (sync_add<mode>_internal, sync_addshort_internal,
        sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
        sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
        sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.

        * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
        is the memory before, not after, the operation.  Clarify
        barrier requirements.

2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>

        * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
        * lambda.h (lambda_vector_min_nz): Likewise.
        * langhooks.h (struct lang_hooks_for_types,
        struct lang_hooks): Likewise.
        * output.h (assemble_integer, this_is_asm_operands): Likewise.
        * tree.h: Likewise.
        * vec.h: Likewise.
        * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
        
        * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
        comments to avoid 'abort'.  Use gcc_assert as necessary.
        * opts.c (common_handle_option): Likewise.
        * pretty-print.c (pp_base_format_text): Likewise.
        * print-rtl.c (print_rtx): Likewise.
        * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
        * regmove.c (try_auto_increment): Likewise.
        * reload.c (find_valid_class, find_reloads_toplev,
        find_equiv_reg): Likewise.
        * reload1.c (reload, forget_old_reloads_1, function_invariant_p, 
        merge_assigned_reloads): Likewise.
        * tree-inline.c (inline_forbidden_p_1,
        estimate_num_insns_1): Likewise.
        * tree-optimize.c (execute_todo): Likewise.
        * tree-outof-ssa.c (eliminate_phi): Likewise.
        * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
        * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
        * tree-ssa-operands.c (parse_ssa_operands,
        get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
        * tree-ssa-pre.c (find_or_generate_expression): Likewise.
        * tree-ssanames.c (release_ssa_name): Likewise.
        * tree.c (int_bit_position, int_byte_position, tree_low_cst, 
        walk_tree): Likewise.

        * tree-ssa-operands.c (verify_abort): Fold into ..
        (verify_imm_links): ... here.

2005-04-21  Richard Henderson  <rth@redhat.com>

        * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
        on non-memory operand for previous inversion.

2005-04-21  Devang Patel  <dpatel@apple.com>

        PR optimization/20994
        * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
        x = !(a == b) : p , q;.
        (pass_if_conversion): Verify stmts and flow.
        
2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>

        * optabs.c (gen_conditional_trap): Restore #define.

        * alias.c (true_dependence): Remove 'abort' from comments. Use
        gcc_assert and gcc_unreachable as appropriate.
        (canon_true_dependence): Likewise.
        * bb-reorder.c (connect_traces): Likewise.
        * c-common.c (c_add_case_label): Likewise.
        * c-decl.c (finish_function): Likewise.
        * caller-save.c (insert_restore, insert_save): Likewise.
        * cfg.c (update_bb_profile_for_threading): Likewise.
        * cfganal.c (flow_active_insn_p): Likewise.
        * cfgexpand.c (add_reg_br_prob_note): Likewise.
        * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
        cfg_layout_merge_blocks): Likewise.
        * ifcvt.c (cond_exec_process_insns, merge_if_block,
        find_if_block): Likewise.
        * integrate.c (allocate_initial_values): Likewise.
        * jump.c (reverse_condition, reverse_condition_maybe_unordered,
        swap_condition, unsigned_condition, signed_condition,
        mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
        reg_or_subregno): Likewise.
        * lambda-code.c (lambda_compute_auxillary_space,
        lambda_transform_legal_p): Likewise.
        * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
        * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
        lhd_incomplete_type_error, lhd_expand_expr,
        lhd_types_compatible_p, lhd_tree_size): Likewise.
        * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
        * local-alloc.c (update_equiv_regs): Likewise.
        * loop-unroll.c (peel_loop_completely
        unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
        peel_loop_simple, unroll_loop_stupid,
        analyze_iv_to_split_insn): Likewise.
        * loop.c (gen_prefetch, find_and_verify_loops,
        basic_induction_var): Likewise.
        * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
        * value-prof.c (tree_find_values_to_profile): Likewise.
        * varasm.c (named_section, default_assemble_integer,
        decode_addr_const): Likewise.

2005-04-21 Alan Modra  <amodra@bigpond.net.au>
           Fariborz Jahanian <fjahanian@apple.com>

        * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
        portion of argument passed in fpr.
        * expr.c (emit_push_insn): Fix computation of 'offset' used to
        decide on partial argument save on stack.

2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>

        * config/sparc/predicates.md, config/sparc/sparc.md: Fix
        comment typos.

2005-04-21  Jan Hubicka  <jh@suse.cz>

        * cgraphunit.c: Include tree-pass.h
        (cgraph_decide_recursive_inlining,
        cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
        cgraph_decide_inlining): Dump goes to dump_file.
        (cgraph_optimize): Call ipa passes instead of inliner.
        (cgraph_gate_inlining, pass_ipa_inline): New.
        * tree-optimize.c (all_ipa_passes): New static variable.
        (register_one_dump_file): Dead with IPA passes.
        (register_dump_files): Likewise.
        (init_tree_optimization_passes): Initialize IPA passes.
        (execute_todo): Do cgraph dump when asked to, do not dump function body
        for IPA pass.
        * tree-pass.h (TODO_dump_cgraph): New macro.
        (ipa_passes): Declare.
        * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h

2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>

        * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
        gcc_assert instead of abort.
        (classify_argument, examine_argument, construct_container,
        contains_128bit_aligned_vector_p, ix86_check_movabs,
        standard_80387_constant_opcode, standard_80387_constant_rtx,
        ix86_initial_elimination_offset, ix86_compute_frame_layout,
        pro_epilogue_adjust_stack, ix86_expand_epilogue,
        ix86_address_cost, legitimate_address_p, legitimize_pic_address,
        legitimize_tls_address, output_pic_addr_const,
        i386_output_dwarf_dtprel, put_condition_code, print_reg,
        get_some_local_dynamic_name, print_operand, print_operand_address,
        output_387_binary_op, emit_i387_cw_initialization,
        output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
        ix86_expand_clear, ix86_expand_binary_operator,
        ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
        ix86_cc_modes_compatible, ix86_fp_comparison_codes,
        ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
        ix86_expand_branch, ix86_expand_setcc,
        ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
        ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
        ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
        memory_address_length, ix86_attr_length_immediate_default,
        ix86_attr_length_address_default, ix86_agi_dependant,
        x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
        ix86_expand_binop_builtin, ix86_force_to_memory,
        ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
        x86_emit_floatuns): Likewise.
        * config/i386/netware.c (gen_regparm_prefix,
        i386_nlm_strip_name_encoding): Likewise.
        * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.

2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>

        * optabs.c (gen_condiational_trap): Remove #define.
        (add_equal_note): Assertify. Remove explicit indirection from
        call via function pointer.
        (expand_ternary_op, expand_simple_binop, expand_binop,
        expand_twoval_unop, expand_twoval_binop,
        expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
        emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
        prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
        prepare_float_lib_cmp, emit_conditional_move,
        emit_conditional_add, gen_add2_insn, gen_add3_insn,
        have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
        expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
        vector_compare_rtx, expand_vec_cond_expr): Likewise.

2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>

        * vec.h: Update API to separate allocation mechanism from type.
        (VEC_safe_grow): New.
        * vec.c (calculate_allocation): New.
        (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
        (vec_gc_free, vec_heap_free): Remove.
        * gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
        (VEC): Likewise.
        (mangle_macro_name): New.
        (struct macro_def): New.
        (struct macro): Add multiple argument values.
        (macro_expans_end): New.
        (push_macro_expansion):  Chain on new macro. Process multiple
        args, create follow on expansion. Return follow on argument.
        (macro_input): Deal with multiple arguments.
        
        * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
        (struct tree_binfo): Adjust.
        * basic-block.h: Define VEC(edge,gc).
        (struct edge_def): Adjust.
        (struct basic_block_def, struct edge_iterator): Likewise.
        (ei_container, ei_start_1, ei_last_1): Likewise.
        * cfg.c (connect_src, connect_dest): Likewise.
        * cfgrtl.c (force_nonfallthru_and_redirect)
        * dbxout.c (dbxout_type)
        * dwarf2out.c (gen_member_die)
        * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
        (gcc_tree_to_linear_expression): Adjust.
        (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
        lbv_to_gcc_expression, lle_to_gcc_expression,
        lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
        perfect_nestify): Likewise.
        * lambda.h (gcc_loopnest_to_lambda_loopnest,
        lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
        * profile.c (instrument_values): Adjust.
        * tree-cfg.c (modified_noreturn_calls): Adjust.
        (remove_fallthru_edge): Likewise.
        * tree-dump.c (dequeue_and_dump): Adjust.
        * tree-flow-inline.h (mark_stmt_modified): Adjust.
        * tree-flow.h (modified_noreturn_calls): Adjust.
        (tree_on_heap): Remove. (yay!)
        (register_new_def): Adjust.
        * tree-into-ssa.c: Define VEC(int,heap).
        (block_defs_stack): Adjust.
        (find_idf, insert_phi_nodes, register_new_def,
        rewrite_initialize_block, rewrite_finalize_block,
        register_new_update_single, rewrite_update_init_block,
        rewrite_update_fini_block, rewrite_blocks,
        ssa_rewrite_finalize_block, ssa_register_new_def,
        ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
        * tree-loop-linear.c (linear_transform_loops): Adjust.
        * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
        (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
        * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
        stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
        vrp_variables_stack): Adjust declarations.
        (tree_ssa_dominator_optimize): Adjust.
        (dom_opt_initialize_block, remove_local_expressions_from_table,
        restore_nonzero_vars_to_original_value,
        restore_vars_to_original_value,
        restore_currdefs_to_original_value, dom_opt_finalize_block,
        record_var_is_nonzero, record_cond, record_const_or_copy_1,
        optimize_stmt, update_rhs_and_lookup_avail_expr,
        lookup_avail_expr, record_range): Likewise.
        * tree-ssa-pre.c: Define VEC(basic_block,heap).
        (compute_antic_aux): Adjust.
        (inserted_exprs, create_expression_by_pieces, 
        insert_into_preds_of_block, eliminate, mark_operand_necessary, 
        remove_dead_inserted_code, fini_pre): Likewise.
        * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
        (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist. 
        ssa_prop_init): Likewise.
        * tree-ssa.c: Define VEC(bitmap,heap).
        (verify_name_tags): Adjust.
        * value-prof.c (rtl_divmod_values_to_profile): Adjust.
        (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
        tree_divmod_values_to_profile, tree_find_values_to_profile,
        value_profile_transformations): Likewise.
        * value-prof.h: Define VEC(histogram_value,heap).
        * varasm.c: Remove alias_pair pointer typedef, define
        VEC(alias_pair,gc).
        (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
        
        * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
        not a pointer to it.  Create an object vector.
        (extern_symbols): Turn into an object vector.
        (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.

2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>

        PR/20742
        * Makefile.in (tree-chrec.o): Depend on params.h.
        * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
        default value 20.
        * tree-chrec.c: Depend on params.h.  Replace build with buildN,
        and fold build with fold_buildN.
        (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
        the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
        (tree_contains_chrecs): Compute an estimation of the size of the
        given expression.
        * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
        (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
        * tree-scalar-evolution.c (simple_iv): Ditto.
        * doc/invoke.texi (scev-max-expr-size): Documented.

2005-04-21  Richard Sandiford  <rsandifo@redhat.com>

        * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
        (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
        (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
        (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
        (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
        (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
        * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
        (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
        * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
        (darwin_fix_and_continue_switch): Delete.
        * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
        (SUBTARGET_SWITCHES): Delete.
        * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
        (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
        (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
        (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
        (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
        (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
        (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
        (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
        (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
        (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
        (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
        (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
        (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
        (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
        (TARGET_64BIT): Undef before redefining.
        (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
        (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
        (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
        (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
        (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
        (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
        (ix86_asm_string, ix86_regparm, ix86_regparm_string)
        (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
        (ix86_debug_arg_string, ix86_debug_addr_string)
        (ix86_align_loops_string, ix86_align_jumps_string)
        (ix86_align_funcs_string): Delete.
        * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
        (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
        * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
        (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
        * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
        * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
        (SUBTARGET_SWITCHES): Delete.
        * config/i386/i386.c (ix86_debug_arg_string): Delete.
        (ix86_debug_addr_string): Delete.
        (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
        (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
        (ix86_align_loops_string, ix86_align_jumps_string)
        (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
        (ix86_align_funcs_string): Make static.
        (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
        (ix86_handle_option): New function.
        (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
        (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
        * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
        of darwin_fix_and_continue_switch.
        (darwin_one_byte_bool): Delete.
        * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
        * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
        to darwin_one_byte_bool.
        * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
        * config/i386/djgpp.opt, config/i386/i386.opt,
        * config/i386/sco5.opt: New files.

2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
        fp_zero_operand, fp_register_operand, intreg_operand,
        fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
        call_operand, call_operand_address, tgd_symbolic_operand,
        tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
        symbolic_operand, symbolic_memory_operand, label_ref_operand,
        sp64_medium_pic_operand, data_segment_operand,
        text_segment_operand, splittable_symbolic_memory_operand,
        reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
        eq_or_neq, normal_comp_operator, noov_compare_op,
        noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
        cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
        const64_operand, const64_high_operand, arith11_operand,
        arith10_operand, arith_double_operand, arith_double_4096_operand,
        arith_double_add_operand, arith11_double_operand,
        arith10_double_operand, small_int, small_int_or_double,
        uns_small_int, uns_arith_operand, clobbered_register,
        input_operand, compare_operand): Delete.
        (sparc_emit_set_const32): Use predicates in assertion.  Remove special
        code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
        (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
        (GEN_HIGHINT64, GEN_INT64): Delete.
        (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
        gen_safe_XOR64): Adjust for above deletion.
        (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
        Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
        (legitimate_constant_p): Use const_zero_operand instead.
        (sparc_extra_constraint_check): Likewise.
        * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
        (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
        (PREDICATE_CODES): Delete.
        * config/sparc/sparc.md: Include predicates.md.
        (All patterns): Adjust for new predicate names.
        (cmpdi, cmpdi_sp64): Use arith_operand predicate.
        (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
        (movdi): Use general_operand predicate.
        (movdi_sp64_dbl): Delete.
        (movdi_const64_special): Add 'N' constraint.
        (movdicc): Use arith10_operand predicate.
        (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
        (movdi_cc_reg_sp64): Use arith10_operand predicate.
        (movdi_cc_reg_sp64_trunc): Delete.
        (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
        (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
        (subdi3_sp32): Delete.
        (subdi3_insn_sp32): Change to define_insn_and_split.
        (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
        (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
        (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
        umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
        small_int_operand predicate.
        (divdi3, udivdi3): Use arith_operand predicate.
        (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
        (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
        xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
        (xordi3_sp64_dbl): Delete.
        (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
        cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
        cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
        cmp_ccx_set_not): Use arith_operand predicate.
        (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
        * config/sparc/predicates.md: New file.

2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>

        PR tree-optimization/14846
        * fold-const.c (fold_single_bit_test_into_sign_test): New,
        split out from ...
        (fold_single_bit_test): ... here.
        (fold_binary): Call fold_single_bit_test_into_sign_test
        instead of fold_single_bit_test.

2005-04-20  James E Wilson  <wilson@specifixinc.com>

        PR c++/20805
        * dwarf2out.c (gen_variable_die): Don't emit a specification if this
        is another declaration.

2005-04-21  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/predicates.md: New file.
        * config/cris/cris-protos.h (cris_store_multiple_op_p)
        (cris_movem_load_rest_p): Declare.
        * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
        (cris_movem_load_rest_p): Ditto.  Globalize.
        (cris_bdap_operand, cris_bdap_biap_operand,
        cris_orthogonal_operator, cris_commutative_orth_op,
        cris_operand_extend_operator,
        cris_additive_operand_extend_operator, cris_extend_operator,
        cris_plus_or_bound_operator, cris_mem_op,
        cris_general_operand_or_symbol,
        cris_general_operand_or_gotless_symbol,
        cris_general_operand_or_plt_symbol, cris_mem_call_operand,
        cris_load_multiple_op): Remove predicate functions.
        (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
        abort, for UNSPECs other than CRIS_UNSPEC_PLT.
        * config/cris/cris.h (PREDICATE_CODES): Don't define.
        * config/cris/cris.md: Include predicates.md.
        ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.

2005-04-20  Ian Lance Taylor  <ian@airs.com>

        * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
        * c-common.h (STMT_EXPR_STMT): Don't define.
        (STMT_EXPR_NO_SCOPE): Don't define.
        * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
        * c-pretty-print.c (pp_c_primary_expression): Likewise.
        (pp_c_expression): Likewise.

2005-04-20  Richard Henderson  <rth@redhat.com>

        PR target/21100
        * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.

2005-04-20  Jeff Law  <law@redhat.com>

        * reload1.c (reload): Ignore equivalences between pseudos and
        read only memory.

2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/12913
        * c-tree.h (struct c_label_list): Update comment.
        (struct c_label_context): Rename to struct c_label_context_se.
        (label_context_stack): Rename to label_context_stack_se.
        (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
        c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
        c_end_vm_scope): New.
        (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
        * c-decl.c (pop_scope): Call c_end_vm_scope.
        (pushdecl): Call c_begin_vm_scope for variably modified
        declarations.
        (define_label): Check for jumping into scope of identifier with
        variably modified type.  Push label on stack for those defined at
        current context of identifiers with variably modified type.
        (start_function): Create stack level for context of identifiers
        with variably modified type.
        (finish_function): Pop stack level for context of identifiers with
        variably modified type.
        * c-typeck.c (label_context_stack): Rename to
        label_context_stack_se.
        (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
        (c_finish_goto_label): Check for jumping into scope of identifier
        with variably modified type.  Push label on stack for those jumped
        to from current context of identifiers with variably modified
        type.
        (struct c_switch): Add blocked_vm.
        (c_start_case): Initialize blocked_vm.
        (do_case): Check blocked_vm.
        (c_finish_case): Add comment.
        (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
        variable label_context_stack.

2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
        conditional_replacement, value_replacement, abs_replacement,
        minmax_replacement.
        (replace_phi_edge_with_variable): Remove argument BB.
        (conditional_replacement, value_replacement,
        minmax_replacement, abs_replacement): Remove argument PHI_BB.
        Update a call to replace_phi_edge_with_variable.

        * tree-ssa-phiopt.c: Fix comments.

2005-04-20  Michael Matz  <matz@suse.de>

        PR20973
        * reload.c (push_reload, find_dummy_reload): Check for uninitialized
        pseudos.

2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-phiopt.c: Fix comment typos.

        PR tree-optimization/21116
        * tree-ssa-phiopt.c: Fix a typo.

2005-04-19  Richard Henderson  <rth@redhat.com>

        * builtins.c (expand_builtin_sync_operation): Revert last change.
        * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
        not vs new value.
        (expand_compare_and_swap_loop): Likewise.
        (expand_sync_operation): Remove fallback from NAND to AND; invert
        memory operand when expanding from cmpxchg.
        (expand_sync_fetch_operation): Likewise.
        * doc/extend.texi (Atomic Builtins): Fix docs for nand and
        compare-and-swap.

        * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
        when implementing NAND.  Fix double-add for AFTER.
        * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
        (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
        (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
        memory value.
        (sync_lock_test_and_set<I48MODE>): Remove extra label and last
        memory barrier.

        * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
        to return old memory value.
        (sync_compare_and_swap_cc<IMODE>): Likewise.

        * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
        return pre-reload.  Don't consider output or anti dependencies.
        * config/ia64/sync.md (IMODE): New.
        (modesuffix): Add QI and HI.
        (memory_barrier): Simplify expansion.
        (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
        (cmpxchg_acq_<IMODE>): Likewise.
        (sync_lock_test_and_set<IMODE>): Likewise.
        (sync_lock_release<IMODE>): Likewise.

2005-04-19  James A. Morrison  <phython@gcc.gnu.org>

        * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
        ~X or ~Y simplify.

2005-04-19  James A. Morrison  <phython@gcc.gnu.org>

        * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.

2005-04-20  Michael Pogue  <michael.pogue@sun.com>
            Joseph S. Myers  <joseph@codesourcery.com>

        * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
        * c-typeck.c (build_c_cast): Check these options.
        * doc/invoke.texi: Document these options.

2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-phiopt.c: Update a comment about the pass.

2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
        config/mcore/mcore.c: Fix comment typos.

2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>

        * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
        * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.

2005-04-19  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs. 

2005-04-19  Andrew Haley  <aph@redhat.com>

        PR java/21022
        * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
        looking at a field's bitpos.

2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * system.h (fopen, fdopen, freopen): Define these to the unlocked
        libiberty functions.

2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>

        PR tree-optimization/21096
        * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.

2005-04-19  Alan Modra  <amodra@bigpond.net.au>

        PR target/21098
        * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
        * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.

2005-04-19  Alexandre Oliva  <aoliva@redhat.com>

        * tree-cfg.c (dump_function_to_file): Use cfun info only if it
        refers to the function being dumped.

2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>

        * varasm.c (assemble_start_function): Remove reset of in_section.

2005-04-18  James A. Morrison  <phython@gcc.gnu.org>

        PR tree-optimization/21085
        * fold-const (fold_binary): Don't change X % -C to X % C if C has
        overflowed.

2005-04-19  Ben Elliston  <bje@au.ibm.com>

        * doc/invoke.texi (Optimize Options): Refer to the correct
        optimisation flag -ftree-dominator-opts, not -ftree-dom.

2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>

        * config/rs6000/rs6000.c (machopic_output_stub):  Increase
        alloca argument to be big enough.

2005-04-18  Alexandre Oliva  <aoliva@redhat.com>

        PR middle-end/21049
        * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
        cfun->cfg are NULL.

2005-04-18  Tom Tromey  <tromey@redhat.com>

        * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
        typo.

2005-04-18  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_split_atomic_op): New.
        (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
        (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
        * config/alpha/alpha-protos.h: Update.
        * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
        (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
        (attr type): Add ld_l, st_c, mb.
        (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
        iornotsi3, xorsi_internal, xornotsi3): New.
        * config/alpha/ev4.md (ev4_ld): Add ld_l.
        (ev4_ist_c, ev4_mb): New.
        * config/alpha/ev5.md (ev5_st): Add st_c, mb.
        (ev5_ld_l): New.
        * config/alpha/ev6.md (ev6_ild): Add ld_l.
        (ev6_ist): Add st_c.
        (ev6_mb): New.
        * config/alpha/sync.md: New file.

2005-04-18  Richard Henderson  <rth@redhat.com>

        * builtins.c (expand_builtin_sync_operation): Fold nand to and
        for constants.

        * optabs.c (expand_sync_operation): Fix typo expanding nand to and.

2005-04-18  Devang Patel  <dpatel@apple.com>

        * config/rs6000/atlivec.md (mulv4si3): New pattern.
        
2005-04-18  James A. Morrison  <phython@gcc.gnu.org>

        PR tree-optimization/20922
        * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
        Fold X + c >= X and fold X - c <= X to true.

2005-04-18  James A. Morrison  <phython@gcc.gnu.org>

        * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
        unsigned int.
        (emergency_labeled_state_free): Likewise.

2005-04-18  Nick Clifton  <nickc@redhat.com>

        * config/h8300/h8300.md (jump): Remove prescan parameter from
        calls to final_scan_insn.

        * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
        parameter from calls to final_scan_insn.

        * config.gcc (m68hc12): Use the m68hc11.opt file for target
        specific options.
        (v850e, v850e1): Use the v850.opt file for target specific
        options.

2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>

        PR tree-optimization/21001
        * tree-optimize.c (init_tree_optimization_passes): Move the
        first pass_forwprop immediately before pass_vrp.

2005-04-17  Ian Lance Taylor  <ian@airs.com>

        * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
        * c-common.c (c_sizeof_or_alignof_type): Change second parameter
        from enum tree_code op to bool is_sizeof.
        * c-common.h (c_sizeof_or_alignof_type): Update declaration.
        (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
        * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
        case.
        (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
        cases.
        (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
        ALIGNOF_EXPR cases.

2005-04-17  Ian Lance Taylor  <ian@airs.com>

        * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.

2005-04-17  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (va_list_skip_additions): Only define if
        TARGET_ABI_OSF.
        (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
        (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
        of indirection through ssa names while looking for the gpr counter
        field.
        (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
        saved va_list_gpr_size and va_list_fpr_size.

2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
        both pointers or both integers.

        * tree-vrp.c (maybe_add_assert_expr): Don't assert
        ASSERT_EXPRs for single-use variable.

        * tree-into-ssa.c: Fix a comment typo.

2005-04-17  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
        -mipsN before forcing a default of -mips2.

2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>

        * predict.h (IS_TAKEN): Remove.
        * rtl.h (NOTE_PREDICTION): Likewise.

        * modulo-sched.c (CFG_HOOKS): Remove.

        * c-parser.c (N_C_TTYPES): Remove.

        * tree-flow-inline.h (get_stmt_operands): Remove.
        * lambda-code.c, tree-ssa-loop-unswitch.c,
        tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
        tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
        tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
        calls to get_stmt_operands.
        * doc/tree-ssa.texi: Don't mention get_stmt_operands.

2005-04-17  Richard Henderson  <rth@redhat.com>

        PR target/20375
        * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
        of CUMULATIVE_ARGS past the last named argument.
        (alpha_va_start): Expect pretend_args_size only if strictly less than
        6 named arguments.

2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>

        PR middle-end/21024
        * builtins.c (expand_builtin_strcat): Convert the result of
        strlen to the right type.
        * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
        avoid creating type mismatches.
        <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
        type mismatches.

        * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.

2005-04-16  Richard Henderson  <rth@redhat.com>

        PR target/21051
        * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
        Use the mode of boolean_type_node when the user doesn't provide one.
        * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.

2005-04-16  Alexandre Oliva  <aoliva@redhat.com>

        PR target/20126
        * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
        (const)).

        * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
        comment.

2005-04-16  Roger Sayle  <roger@eyesopen.com>
            Steven Bosscher  <stevenb@suse.de>

        * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
        (fold_unary_to_constant): Likewise.

2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>

        * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
        PROP_ASM_SCAN.

2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Specific): Avoid using asterisks in @anchor
        names related to target triplets.
        Remove i?86-*-esix from platform directory.
        Remove powerpc-*-eabiaix from platform directory.

2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>

        PR middle-end/20491
        * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
        falling through from SUBREG case to REG.

2005-04-15  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
        (fold_binary): Update comment mentioning fold_relational_hi_lo.
        (fold_binary_to_constant): Simplify using fold_binary.
        (fold_unary_to_constant): Likewise, simplify using fold_unary.

2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * gthr-posix.c (pthread_cancel): Define.
        (pthread_mutexattr_init): Likewise.
        (pthread_mutexattr_settype): Likewise.
        (pthread_mutexattr_destroy): Likewise.

2005-04-15  David S. Miller  <davem@davemloft.net>

        PR target/20673
        * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).

2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>

        PR tree-optimization/21031
        * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
        (forward_propagate_into_cond_1): Call it.  Forward propagate
        integer-integer casts into COND_EXPRs.

2005-04-15  Dave Korn  <dave.korn@artimi.com>

        * gcc.c (default_compilers): Clarify obscure error message when
        reading from standard input.

2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>

        * basic-block.h (PROP_EQUAL_NOTES): Remove.
        * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.

        * tree-ssa-alias.c (init_alias_info): Remove a call to
        get_stmt_operands.

2005-04-15  Andrew MacLeod  <amacleod@redhat.com>

        * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
        of non-virtual PHI nodes like we use to.

2005-05-15  Paolo Bonzini  <bonzini@gnu.org>

        * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
        (attr_copy_rtx): Do not use it.

2005-04-15  Andrew Macleod  <amacleod@redhat.com>

        * doc/tree-ssa.texi: Grammer/abbreviation updates.

2005-04-15  Diego Novillo  <dnovillo@redhat.com>

        * tree-vect-transform.c (vectorizable_store): Mark necessary
        objects in the vectorized store needing renaming.  Update the
        SSA graph for V_MAY_DEF operands in the original store.

2005-04-14  Daniel Berlin <dberlin@dberlin.org>

        * tree-ssa-pre.c (compute_avail): It's okay to have
        TREE_INVARIANT's here, and value number the resulting expressions.
        (create_expression_by_pieces): Make sure operands that were
        min_invariant when we started, stay that way.

2005-04-15  David Edelsohn  <edelsohn@gnu.org>

        * doc/install.texi (*-ibm-aix*): Add comment about system limits.

2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>

        PR tree-optimization/20936.
        * tree-ssa-ccp.c (visit_assignment): Fix a typo.

2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * doc/invoke.texi: Fix typos.
        * doc/md.texi: Likewise.
        * doc/rtl.texi: Likewise.
        * doc/sourcebuild.texi: Likewise.
        * doc/tm.texi: Likewise.

2005-04-15  Uros Bizjak  <uros@kss-loka.si>

        PR tree-optimization/21004
        * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
        and floorl in c99 mode only.
        * builtins.c (expand_builtin_int_roundingfn): Assert that
        fallback_fndecl is not NULL_TREE.

2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>

        * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
        * basic-block.h: Update the prototype for
        purge_all_dead_edges.
        * cfgexpand.c (tree_expand_cfg): Update a call to
        purge_all_dead_edges.
        * combine.c (combine_instructions): Likewise.
        * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
        rest_of_handle_cse2, rest_of_handle_gcse,
        rest_of_handle_postreload): likewise.

2005-04-15  Alexandre Oliva  <aoliva@redhat.com>

        PR middle-end/20739
        * gimplify.c (gimplify_addr_expr): Compensate for removal of
        e.g. cv-qualification conversions.

2005-04-14  Mike Stump  <mrs@apple.com>

        * config/darwin-c.c (framework_construct_pathname): We must
        find all headers of a framework in the first instance of it
        found in the seach path.

2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>

        PR tree-optimization/21021
        * tree-vrp.c (compare_values): Work around a bug in the front
        end that produces a comparison of mismatched types.

2004-04-14  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.h (enum fetchop_code): Remove.
        (enum ia64_builtins): Move ...
        * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
        members except BSP and FLUSHRS.
        (ia64_init_builtins): Remove __sync builtins.
        (ia64_expand_builtin): Likewise.
        (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
        (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
        (ia64_expand_lock_release): Remove.
        * config/ia64/ia64.md (mf): Move to sync.md.
        (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
        cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
        * config/ia64/sync.md: New file.
        (memory_barrier): Rename from mf.
        (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
        (cmpxchg_acq_<I48MODE>): Likewise.
        (sync_lock_test_and_set<I48MODE>): Likewise.

        * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
        to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.

2004-04-14  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
        (ix86_compare_emitted): New.
        (ix86_expand_compare): Use ix86_compare_emitted if set.
        (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
        and ix86_compare_op0 are set.
        * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
        (TARGET_CMPXCHG, TARGET_XADD): New.
        (ix86_compare_emitted): Declare.
        * config/i386/i386.md: Include sync.md
        (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
        (UNSPECV_XCHG, UNSPECV_LOCK): New.
        * config/i386/sync.md: New file.

2004-04-14  Richard Henderson  <rth@redhat.com>

        PR middle-end/14311
        * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
        BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
        BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
        BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
        BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
        BT_FN_I8_VPTR_I8_I8): New.
        * builtins.def (DEF_SYNC_BUILTIN): New.
        (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
        BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
        BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
        BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
        BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
        BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
        BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
        BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
        BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
        BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
        BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
        BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
        BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
        BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
        BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
        BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
        BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
        BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
        BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
        BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
        BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
        BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
        BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
        BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
        BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
        BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
        BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
        BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
        BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
        BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
        BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
        BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
        BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
        BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
        BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
        BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
        BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
        BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
        BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
        BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
        BUILT_IN_SYNCHRONIZE: New.
        * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
        as a function.  Accept __sync_ as a prefix as well.
        (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
        expand_builtin_lock_test_and_set, expand_builtin_synchronize,
        expand_builtin_lock_release): New.
        (expand_builtin): Call them.
        * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
        neither BOTH_P nor FALLBACK_P are defined.
        (builtin_type_for_size): New.
        (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
        (resolve_overloaded_builtin): New.
        * c-common.h (resolve_overloaded_builtin): Declare.
        (builtin_type_for_size): Declare.
        * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
        * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
        sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
        sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
        sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
        sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
        sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
        sync_compare_and_swap_cc, sync_lock_test_and_set,
        sync_lock_release): New.
        * optabs.h: Declare them.
        * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
        expand_sync_operation, expand_sync_fetch_operation,
        expand_sync_lock_test_and_set): Declare.
        * genopinit.c (optabs): Add sync optabs.
        * optabs.c (init_optabs): Initialize sync optabs.
        (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
        expand_bool_compare_and_swap, expand_compare_and_swap_loop,
        expand_sync_operation, expand_sync_fetch_operation,
        expand_sync_lock_test_and_set): New.
        * doc/extend.texi (Atomic Builtins): New section
        * doc/md.texi (Standard Names): Add sync patterns.

2005-04-14  Alexandre Oliva  <aoliva@redhat.com>

        * tree-eh.c (lower_try_finally_copy): Generate new code in
        response to goto_queue entries as if the queue was sorted by
        index, not pointers.
        (lower_try_finally_switch): Likewise.

2005-04-14  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
        (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
        register.
        (ix86_expand_fp_movcc): Update to match.
        (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
        * config/i386/i386-protos.h: Update.
        * config/i386/sse.md (vcondv4sf, vcondv2df): New.
        (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.

2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>

        * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
        refer to 4.0.

2005-04-14  Julian Brown  <julian@codesourcery.com>

        * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
        link failures on ppc64 Linux.

2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config.gcc: Set cpu_type for s390.

2005-04-14  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/20963
        * tree-ssa-pre.c (compute_avail): Remove special case for
        TREE_INVARIANT.
        (create_expression_by_pieces): Add value numbers for forced out
        statements.

2005-04-14  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.md: Replace references to (reg:SI 16) with
        (reg:SI CRIS_SRP_REGNUM).

2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>

        PR tree-optimization/20657
        * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
        create an appropriate range from it.

2005-04-14  Uros Bizjak  <uros@kss-loka.si>

        * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
        <UNSPEC_FIST_CEIL> case.

        * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
        (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
        (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
        to implement lfloor and llfloor built-ins as x87 intrinsic function.
        (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
        (lfloor<mode>2): New expanders.
        (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
        (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
        to implement lceil and llceil built-ins as x87 intrinsic function.
        (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
        (lceil<mode>2): New expanders.

2005-04-14  Uros Bizjak  <uros@kss-loka.si>

        * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
        and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.

2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>

        PR target/20927
        * config/s390/s390-modes.def: Define TFmode.

2005-04-13  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
        (JUMP_TABLES_IN_TEXT_SECTION): Define.
        * config/mips/mips.c (mips16_insn_length): Remove reference to
        JUMP_TABLES_IN_TEXT_SECTION.

2005-04-13 Fariborz Jahanian <fjahanian@apple.com>

        * simplify-rtx.c (simplify_binary_operation_1): Return
        scalar or vector of constant 0, depending on the xor's
        mode.

2005-04-13  Dale Johannesen  <dalej@apple.com>

        * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
        (objc-act.o):  Ditto.
        * objc/objc-act.c (objc_gimplify_expr):  New.
        (objc_get_callee_fndecl):  New.
        * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
        * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
        (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.

2005-04-13  Devang Patel  <dpatel@apple.com>

        * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
        temp variables.

2005-04-13  Hans-Peter Nilsson  <hp@axis.com>

        CRIS prologue as RTL.
        * config/cris/cris-protos.h (cris_emit_movem_store)
        (cris_expand_prologue): Prototype.
        * config/cris/cris.c (struct machine_function): New member
        stdarg_regs.
        (cfa_label_num, cris_target_asm_function_prologue): Remove.
        (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
        (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
        (cris_load_multiple_op, cris_return_address_on_stack)
        (cris_return_address_on_stack_for_return): ISO-Cify.
        (cris_store_multiple_op): New predicate function.
        (cris_expand_prologue, cris_emit_movem_store): New functions.
        (cris_print_operand) <case 'O'>: Handle modifications other than
        post-increment.
        (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
        (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
        (cris_gen_movem_load): Rearrange slightly to make local variable
        src a parameter, removing osrc.
        (cris_setup_incoming_varargs): Set machine_function member
        stdarg_regs to correspond to the number of registers that need to
        be saved.
        * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
        CRIS_UNSPEC_GOT.
        (PREDICATE_CODES): Add cris_store_multiple_op.  Make
        cris_general_operand_or_gotless_symbol accept UNSPEC.
        * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
        ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
        ("*cris_store_multiple"): New pattern.  Tweak common comment above
        this and "*cris_load_multiple".
        ("prologue"): New define_expand.

        * config/cris/cris.md ("epilogue"): Conditionalize on
        TARGET_PROLOGUE_EPILOGUE.

2005-04-13  Steve Ellcey  <sje@cup.hp.com>

        PR target/20924
        * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
        fpsr 0 instead of fpsr 1.
        (divsf3_internal_thr): Ditto.
        (divdf3_internal_lat): Ditto.
        (divdf3_internal_thr): Ditto.
        (divxf3_internal_lat): Ditto.
        (divxf3_internal_thr): Ditto.

2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>

        PR tree-optimization/20913
        * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.

        PR tree-optimization/20702
        * tree-vrp.c (maybe_add_assert_expr): Recurse into
        dominator children that haven't been walked into.

2005-04-13  Julian Brown  <julian@codesourcery.com>

        * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
        being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
        is true.

2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>

        * basic-block.h, tree-ssa-uncprop.c, varasm.c,
        config/i386/sse.md: Fix comment typos.

        * genattrtab.c (NULL_ATTR): Remove.
        * ifcvt.c (NULL_EDGE): Likewise.

        * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.

        * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
        NOTE_PREDICT): Remove.

2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
        * configure: Regenerate.
        * config.in: Likewise.
        * system.h: Declare vsnprintf if not already declared.

2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * optc-gen.awk: Handle stand-alone Mask records.
        * opth-gen.awk: Likewise.
        * doc/options.texi (Option file format): Document them.
        * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
        sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
        (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
        * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
        MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
        MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
        MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
        MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
        MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
        (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
        TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
        TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
        TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
        TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
        TARGET_LONG_DOUBLE_128): Likewise.
        (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
        (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
        * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
        * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
        * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
        * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
        * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
        * config/sparc/sparc.c (fpu_option_set): New global.
        (sparc_handle_option): New function.
        (sparc_override_options): Test fpu_option_set.
        (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
        (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
        * config/sparc/sparc.opt: New file.
        * config/sparc/little-endian.opt: Likewise.
        * config/sparc/long-double-switch.opt: Likewise.

2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
        (bfin_handle_options): Set it if -mshared-library-id= is seen.
        * config/bfin/bfin.opt (mshared-library-id=): Lose
        Var(bfin_lib_id_given).

2005-04-13  Matt Thomas  <matt@3am-software.com>

        * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
        defining.

2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>

        * rtl.h (CLEAR_RTX_FLAGS): Remove.

        * cgraphunit.c (INSNS_PER_CALL): Remove.

        * tree-ssa-forwprop.c (vars,
        record_single_argument_cond_exprs,
        substitute_single_use_vars): Remove.
        (forward_propagate_into_cond_1, forward_propagate_into_cond):
        New.
        (tree_ssa_forward_propagate_single_use_vars): Call
        forward_propagate_into_cond for each COND_EXPR.

        * tree-inline.c (INSNS_PER_STMT): Remove.

2005-04-12  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
        (ix86_expand_sse_fp_minmax): ... from ...
        (ix86_expand_fp_movcc): ... here.
        (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
        * config/i386/i386-protos.h: Update.
        * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
        (sse_setccsf, sse_setccdf): Allow before reload.
        (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
        (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
        (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
        * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
        (anddf3, nanddf3, iordf3, xordf3): New.

2005-04-12  Jeff Law  <law@redhat.com>

        * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
        (tree-ssa-uncprop.o): Add dependencies.
        * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
        * tree-flow.h (remove_useless_stmts): Remove prototype.
        * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
        remove_useless_stmts.
        * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
        * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
        * tree-pass.h (pass_uncprop): Declare.
        * tree-ssa-uncprop.c: New file.

2005-04-12  James E. Wilson  <wilson@specifixinc.com>

        PR target/20670
        * unwind-ia64.c (uw_intall_context): Add missing load of r27.

2005-04-12  Caroline Tice  <ctice@apple.com>

        Temporary fix for partitioning problems.
        * passes.c (rest_of_handle_final): Remove code that
        frees unlikely_text_section_name,
        * varasm.c (assemble_start_function): Test for partitioning
        flag before writing out section labels.
        (assemble_end_function): Test for partitioning flag before
        writing out section labels.

2005-04-12  Steven Bosscher  <stevenb@suse.de>
            Stuart Hastings <stuart@apple.com>
            Jan Hubicka  <jh@suse.cz>

        * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
        references to gt-tree-cfg.h.
        * basic-block.h (struct basic_block_def): Don't skip rbi
        for garbage collection.
        (struct reorder_block_def): Make GTY-able.
        (struct control_flow_graph): New structure.
        (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
        BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
        but instead defines to the control_flow_graph for cfun.
        (label_to_block_map): New define, points to the label map of
        the control_flow_graph for cfun.
        (n_edges_for_function, n_basic_blocks_for_function,
        last_basic_block_for_function, basic_block_info_for_function,
        EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
        basic_block_info_for_function, label_to_block_map_for_function):
        Counterparts for the above, taking a struct function as an extra
        argument.
        (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
        * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
        basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
        (alloc_rbi_pool, free_rbi_pool): Remove.
        (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
        * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
        here...
        (cfg_layout_finalize) ... and don't free it here.
        * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
        garbage collected.
        * flow.c (free_basic_block_vars): Set label_to_block_map and
        n_edges to zero too.
        * function.h (struct function): Add cfg field.
        * function.c (allocate_struct_function): Allocate the cfg.
        * tree-cfg.c (label_to_block_map): Remove.
        (build_tree_cfg): Don't allocate the rbi pool here...
        (delete_tree_cfg_annotations): ...and don't free it here.
        Also don't nullify label_to_block_map for cfun.

2005-04-12  Caroline Tice  <ctice@apple.com>

        * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
        Revert my patch from April 9.
        (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
        (reorder_basic_blocks): Revert my patch from April 9.
        (insert_section_boundary_note): Revert my patch from April 9.
        * dbxout.c (dbxout_function_end): Revert my patch from April 9.
        * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
        (COLD_END_LABEL):  Revert my patch from April 9.
        (cold_text_section_label):  Revert my patch from April 9.
        (cold_end_label): Revert my patch from April 9.
        (dwarf2out_switch_text_section): Revert my patch from April 9.
        (output_aranges): Revert my patch from April 9.
        (output_ranges):  Revert my patch from April 9.
        (output_line_info): Revert my patch from April 9.
        (add_location_or_const_value_attribute):  Revert my patch from April 9.
        (dwarf2out_var_location): Revert my patch from April 9.
        (dwarf2out_init):  Revert my patch from April 9.
        (dwarf2out_finish): Revert my patch from April 9.
        * function.h (struct function): Revert my patch from April 9.
        * opts.c (decode_options): Revert my patch from April 9.
        * output.h (unlikely_section_label, hot_section_label,
        hot_section_end_label, cold_section_end_label,
        unlikely_text_section_name): Revert my patch from April 9.
        * passes.c (rest_of_handle_final): Revert my patch from April 9.
        * varasm.c (unlikely_section_label, hot_section_label,
        hot_section_end_label, cold_section_end_label,
        unlikely_text_section_name): Revert my patch from April 9.
        (initialize_cold_section_name): Revert my patch from April 9.
        (unlikely_text_section): Revert my patch from April 9.
        (in_unlikely_text_section): Revert my patch from April 9.
        (named_section): Revert my patch from April 9.
        (function_section): Revert my patch from April 9.
        (current_function_section): Revert my patch from April 9.
        (assemble_start_function): Revert my patch from April 9.
        (assemble_end_function): Revert my patch from April 9.
        (default_section_type_flags_1): Revert my patch from April 9.

2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
        * config/sparc/sparc.md (untyped_call): Save the registers manually.

        * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.

2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>

        PR middle-end/20917
        * config/s390/s390.md ("*set_tp"): Use SET in pattern.
        ("set_tp_64", "set_tp_31"): Adapt expanded pattern.

2004-04-12  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
        UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
        UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
        (UNSPEC_*, UNSPECV_*): Renumber.

2005-04-12  Frank Ch. Eigler  <fche@redhat.com>

        PR mudflap/19266
        From Richard Henderson <rth@redhat.com>:
        * tree-mudflap.c (mf_build_check_statement_for): Correct block
        splitting logic.

2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>

        * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.

2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (bfin_library_id_string): Remove.
        (bfin_library_id): New variable.
        (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
        instead of bfin_library_id_string.
        (bfin_handle_option): New function.
        (override_options): Remove most code to deal with shared library IDs,
        just check they aren't used without -mid-shared-library.
        (TARGET_HANDLE_OPTION): Define.
        * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
        * config/bfin/bfin.opt (mshared-library-id=): New.

2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-vect-transform.c: Fix comment typos.

2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>

        * postreload-gcse.c (eliminate_partially_redundant_load): Don't
        split critical edges when not possible/profitable.

2005-04-12  Richard Sandiford  <rsandifo@redhat.com>

        * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
        (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
        (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
        (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
        (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
        (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
        (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
        * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
        MASK_NO_BITFIELD.
        * config/ns32k/ns32k.c (ns32k_handle_option): New function.
        (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
        * config/ns32k/ns32k.opt: New file.

2005-04-12  Richard Sandiford  <rsandifo@redhat.com>

        * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
        * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
        (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
        (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
        (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
        (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
        (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
        (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
        (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
        (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
        (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
        (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
        (MASK_COLDFIRE): Formatting fixes.
        (TARGET_COLDFIRE): Turn into a boolean value for consistency.
        * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
        * config/m68k/m68k.c (m68k_library_id_string): Initialize to
        "_current_shared_library_a5_offset_".
        (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
        (MASK_ALL_CPU_BITS): New macro.
        (m68k_handle_option): New function.
        (override_options): Remove handling of m68k_library_id_string.
        * config/m68k/m68k.opt: New file.
        * config/m68k/ieee.opt: New file.

2005-04-11  Mark Mitchell  <mark@codesourcery.com>

        * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
        (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
        (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
        (TARGET_CXX): Adjust accordingly.
        * target.h (struct gcc_target): Remove epxort_class_data.  Add
        determine_class_data_visibility and class_data_always_comdat.
        * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
        (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
        (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
        * config/arm/arm.c (arm_cxx_export_class_data): Remove.
        (arm_cxx_determine_class_data_visibility): New.
        (arm_cxx_class_data_always_comdat): Likewise.
        (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
        (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
        (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
        * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
        * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
        Define.

2005-04-11  Devang Patel  <dpatel@apple.com>

        * tree-data-ref.c (build_classic_dist_vector,
        compute_subscript_distance): Make externally visible.
        * tree-data-ref.h (build_classic_dist_vector,
        compute_subscript_distance): Same.
        * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
        Check distance vector against vectorization factor.
        (vect_analyze_loop): Determine vectorizaion factor before
        analyzing data dependences.
        * tree-vectorizer.c (loops_num): Make it externally visible and
        rename ...
        * tree-vectorizer.c (vect_loops_num): ... new name.
        * tree-vectorizer.h  (vect_loops_num): New.

2005-04-11  Devang Patel  <dpatel@apple.com>

        * tree-vect-analyze.c (vect_analyze_operations): Check
        vectorizable codition.
        * tree-vect-transform.c (vect_is_simple_cond): New function.
        (vectorizable_condition): New function.
        (vect_transform_stmt): Handle condition_vec_info_type.
        * tree-vectorizer.h (enum stmt_vec_info_type): Add
        condition_vec_info_type.
        (vectorizable_condition): New.

2005-04-11  Geoffrey Keating  <geoffk@apple.com>

        * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
        * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
        * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.

        * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
        (SUBTARGET_EXTRA_SPECS): Always 'i386'.

        * dwarf2out.c (output_line_info): Don't try to dereference
        a NULL current_function_decl.

        * config/t-slibgcc-darwin: Don't put shared libraries in
        directories other than $(slibdir).
        * config/rs6000/darwin.h: Find -m64 libgcc under the name the
        OS uses for it.

2005-04-11  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/20933
        * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
        logic to reject aliases between read-only and writable
        variables ...
        (may_alias_p): ... here.
        (get_tmt_for): Do not associate read-only tags to pointers
        whose pointed-to type is not read-only.
        * tree-ssa.c (verify_ssa): Check that memory stores have at
        least one V_MAY_DEF or V_MUST_DEF.

2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR/17092
        * configure.ac (gcc_UNLOCKED_FUNCS): New.
        (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
        * system.h (putchar, getc, getchar, clearerr, feof, fileno,
        fflush, fgetc, fgets, ferror, fread): Redefine to the associated
        _unlocked function.
        (fwrite_unlocked): Fix prototype.

        * configure, config.in: Regenerate.

2005-04-11  David Edelsohn  <edelsohn@gnu.org>

        * tree-ssa-loop-im.c: Include real.h.
        (determine_invariantness_stmt): If real division divisor is
        invariant and flag_unsafe_math_optimizations enabled, generate
        invariant reciprocal for hoisting.
        * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.

2005-04-11  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/20926

        * tree-ssa-alias.c (add_type_alias): Handle subvars.

2005-04-11  Devang Patel  <dpatel@apple.com>

        * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
        operand ordering.

2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>

        * fold-const.c (fold_binary_op_with_conditional_arg):
        use fold_buildN instead of "fold (buildN" in some
        non obvious places.
        (fold_unary): Likewise.
        (fold_binary): Likewise.

2005-04-11  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/20612
        * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
        handling
        (perfect_nestify): preheaderbb is *not* part of loop of the
        old destination.

2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree-ssa-alias.c (may_alias_p): If the variable
        is a global variable and the pointer is parameter
        and -fargument-noalias-global is used, then
        the pointer cannot alias the variable.

2005-04-11  James A. Morrison  <phython@gcc.gnu.org>

        * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
        * config/sparc/sparc.h: Likewise.
        * config/sparc/sparc.md: Likewise.

2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-vrp.c (maybe_add_assert_expr): Move a comment.

        * tree-vrp.c: Fix a comment typo.

2005-04-11  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/20920
        * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
        SSA_NAME flows through an abnormal edge.
        * tree-vrp.c (infer_value_range): Ignore SSA names that flow
        through abnormal edges.
        (maybe_add_assert_expr): Likewise.

2005-04-11  Richard Sandiford  <rsandifo@redhat.com>

        * config/s390/s390.h (s390_tune_string, s390_arch_string)
        (s390_warn_framesize_string, s390_warn_dynamicstack_string)
        (s390_stack_size_string, s390_stack_guard_string, target_flags)
        (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
        (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
        (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
        (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
        (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
        (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
        (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
        * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
        (TARGET_HANDLE_OPTION): Likewise.
        (s390_tune): Initialize to PROCESSOR_max.
        (s390_arch_string): Make static.
        (s390_tune_string, s390_warn_framesize_string): Delete.
        (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
        (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
        (s390_handle_arch_option, s390_handle_option): New functions.
        (override_options): Remove parsing of option strings.
        * config/s390/s390.opt: New file.

2005-04-11  Paolo Bonzini  <bonzini@gnu.org>

        * tree-complex.c (expand_vector_operations): Call
        update_stmt_if_modified.

2005-04-11  Paolo Bonzini  <bonzini@gnu.org>

        * tree-vect-analyze (vect_determine_vectorization_factor):
        Do not use GET_MODE_NUNITS.
        * tree-vect-transform.c (vect_get_vec_def_for_operand,
        (vectorizable_load, vect_transform_loop): Likewise.

2005-04-11  Uros Bizjak  <uros@kss-loka.si>

        * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
        (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
        * optabs.h (enum optab_index): Add new OTI_lceil.
        (lceil_optab): Define corresponding macro.
        * optabs.c (init_optabs): Initialize lceil_optab.
        * genopinit.c (optabs): Implement lceil_optab using lceilsi2
        and lceildi2 patterns.
        * builtins.c (expand_builtin_int_roundingfn): Handle
        BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
        (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
        BUILT_IN_LLCEIL{,F,L}.
        (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
        BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
        (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
        (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
        BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
        * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
        into lceil built-in function and (long long int)ceil{,f,l} into
        llceil built-in function.
        * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
        BUILT_IN_LLCEIL.

2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
        zero.

2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>

        * config/arm/arm.c: Fix a comment typo.
        * doc/tree-ssa.texi: Fix a typo.

2005-04-10  Steven Bosscher  <stevenb@suse.de>

        * cselib.c (clear_table): Rename to cselib_clear_table.
        * cselib.h (cselib_clear_table): Add prototype.
        * gcse.c (gcse_main): Make 'f' argument unused.
        (alloc_gcse_mem): Do not walk the insn chain, walk the contents
        of each basic block instead.
        (compute_sets, compute_hash_table_work): Likewise.
        (constprop_register): Change int 'alter_jumps' argument to bool.
        (do_local_cprop): Likewise.
        (local_cprop_pass): Likewise.  Also walk basic blocks instead of
        the insn chain.  Explicitly clear the cselib tables after finishing
        one basic block.  Make sure there are no unterminated libcall blocks.
        Update compute_sets call.
        (cprop): Walk basic blocks instead of the insn chain.
        (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
        Likewise.
        (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
        one_cprop_pass calls.

2005-04-10  Richard Sandiford  <rsandifo@redhat.com>

        * combine.c (combine_simplify_rtx): Remove a transformation that
        relies on an invalid assumption about rtl sign-extension semantics.

2005-04-10  Richard Sandiford  <rsandifo@redhat.com>

        * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
        to build_int_cst_wide.

2005-04-09  Alexandre Oliva  <aoliva@redhat.com>

        PR target/20126
        * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
        set the original address pseudo to the correct value before the
        original insn, if possible, and leave the insn alone, otherwise
        create a new pseudo, set it and replace it in the insn.
        * recog.c (validate_change_maybe_volatile): New.
        * recog.h (validate_change_maybe_volatile): Declare.

2005-04-09  Caroline Tice  <ctice@apple.com>

        * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
        Remove targetm.have_named_sections test.
        (fix_edges_for_rarely_executed_code): Likewise.
        (insert_section_boundary_note): Likewise.
        (reorder_basic_blocks): Check partitioning flag before calling
        verify_hot_cold_block_grouping.
        * dbxout.c (dbxout_function_end): Get hot/cold section labels from
        the function struct rather than global variables.
        * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
        (COLD_END_LABEL): Likewise
        (cold_text_section_label): New static global variable.
        (cold_end_label): Likewise.
        (dwarf2out_switch_text_section): Get hot/cold section labels from
        the function struct rather than global variables.
        (output_aranges): Use cold_text_section_label and cold_end_label;
        check partitioning flag before putting out delta.
        (output_ranges): Remove incorrect code attempting to use
        hot/cold labels.
        (output_line_info): Get cold section label from function struct.
        (add_location_or_const_value_attribute): Likewise.
        (get_subprogram_die): Get hot/cold section labels from function struct.
        (dwarf2out_var_location): Likewise.
        (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
        write out cold_text_section_label if partition flag is set.
        (dwarf2out_finish): Write out cold_end_label if partition flag is set;
        * function.h (struct function): Add new fields to point to hot/cold
        section labels: hot_section_label, cold_section_label,
        hot_section_end_label and cold_section_end_label; also add new field
        for cold text section name, unlikely_text_section_name.
        * opts.c (decode_options): Turn off partitioning flag if
        !targetm.have_named_sections.
        * output.h (hot_section_label): Remove.
        (hot_section_end_label): Remove.
        (cold_section_end_label): Remove.
        (unlikely_section_label): Remove.
        (unlikely_text_section_name): Remove.
        * passes.c (rest_of_handle_final):  Remove code that frees
        unlikely_text_section_name.
        * varasm.c (unlikely_section_label): Remove.
        (hot_section_label): Remove.
        (hot_section_end_label): Remove.
        (cold_section_end_label): Remove.
        (unlikely_text_section_name):  Remove.
        (initialize_cold_section_name): Modify to call
        targetm.strip_name_encoding; to store cold section name in current
        function struct, if it exists; and to only use the decl_section_name
        if flag_named_sections is true.
        (unlikely_text_section): Modify to get section name out of current
        function struct, if there is one; otherwise build it from
        UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
        (in_unlikely_text_section): Likewise.
        (named_section): Modify to get/put cold section name in current function
        struct, if there is one.
        (function_section):  Change 'bool unlikely' to 'int reloc'; check
        targetm.have_named_sections before calling named_section.
        (current_function_section): Likewise.
        (assemble_start_function): Modify to get/put unlikely_text_section_name
        in current function struct; modify to get hot/cold section labels
        from function struct; initialize labels using
        ASM_GENERATE_INTERNAL_LABEL;
        test partitioning flag before writing out hot section label.
        (assemble_end_function): Test partitioning flag before writing out
        hot/cold section labels.
        (default_section_type_flags_1):  Modify to use array instead of
         char* for unlikely_text_section_name; set flags correctly for
         cold text section if there is not a current function decl.

2005-04-09  Jakub Jelinek  <jakub@redhat.com>

        * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
        and TI_VA_LIST_FPR_COUNTER_FIELD.
        (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
        * tree-pass.h (pass_stdarg): Add.
        * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
        * tree-stdarg.c: New file.
        * tree-stdarg.h: New file.
        * Makefile.in (OBJS-common): Add tree-stdarg.o.
        (tree-stdarg.o): Add dependencies.
        * function.h (struct function): Add va_list_gpr_size and
        va_list_fpr_size fields.
        * function.c (allocate_struct_function): Initialize them.
        * target.h (struct gcc_target): Add stdarg_optimize_hook.
        * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
        (TARGET_INITIALIZER): Add it.

        * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
        va_list_{g,f}pr_counter_field.
        (ix86_setup_incoming_varargs): Don't do anything if reg_save
        area will not be used.  Only save registers that tree-stdarg.c
        detected they need saving.
        (ix86_va_start): Don't set up fields that won't be used.

        * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
        va_list_{g,f}pr_counter_field.
        (setup_incoming_varargs): Don't do anything if reg_save
        area will not be used.  Only save registers that tree-stdarg.c
        detected they need saving.
        (rs6000_va_start): Don't set up fields that won't be used.

        * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
        (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
        (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
        (TARGET_STDARG_OPTIMIZE_HOOK): Define.

2005-04-09  Jakub Jelinek  <jakub@redhat.com>

        PR target/20795
        * config/i386/i386.c (construct_container): Pass empty aligned
        struct, union or class in memory.

2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>

        * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
        tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
        config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
        config/rs6000/predicates.md: Fix comment typos.

        * sched-int.h (haifa_insn_data): Remove blockage and units.
        (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
        ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
        MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.

2005-04-09  Jan Hubicka  <jh@suse.cz>
            Steven Bosscher  <stevenb@suse.de>

        * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
        * cfgloop.c (get_loop_exit_edges): Likewise.
        * cfgloopmanip.c (fix_irreducible_loops): Likewise.
        (unloop): Likewise.
        * loop-unroll.c (analyze_insns_in_loop): Likewise.
        * tree-cfg.c (dump_cfg_status): Likewise.

2005-04-09  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/predicates.md (altivec_register_operand): Remove
        redundant match_code test.
        (gpc_reg_operand): Same.
        (cc_reg_operand): Same.
        (cc_reg_not_cr0_operand): Same.

2005-04-09  Jan Hubicka  <jh@suse.cz>

        Forgotten hunk from my last merge patch:
        * final.c (output_addr_const): Do not call mark_referenced.

2005-04-09  Andrew MacLeod  <amacleod@redhat.com>

        * doc/tree-ssa.texi: Add immediate use documentation.

2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>

        * arm.c (FL_WBUF): Define.
        (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
        (arm_is_6_or_7): Delete.
        (arm_tune_wbuf): New.
        (arm_override_options): Set arm_tune_wbuf.
        * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
        (arm_is_6_or_7): Delete declaration.
        (arm_tune_wbuf): New declartion.
        * arm.md (is_strongarm): Derive from arm_tune_strongarm.
        (model_wbuf): Derive from arm_tune_wbuf.
        * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
        (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
        (arm740t): Mark CPUs as having a write buffer.

2005-04-09  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
        of 'const_double_operand' in operand 2 constraints.  Update enable
        condition.

2005-04-09  Uros Bizjak  <uros@kss-loka.si>

        * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
        (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
        * optabs.h (enum optab_index): Add new OTI_lfloor.
        (lfloor_optab): Define corresponding macro.
        * optabs.c (init_optabs): Initialize lfloor_optab.
        * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
        and lfloordi2 patterns.
        * builtins.c (expand_builtin_int_roundingfn): New prototype.
        (expand_builtin_int_roundingfn): New function.
        (fold_builtin_int_roundingfn): New prototype.
        (fold_builtin_int_roundingfn): New function, renamed from
        fold_builtin_lround.
        Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
        BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
        (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
        BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
        (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
        (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
        BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
        * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
        into lfloor built-in function and (long long int)floor{,f,l} into
        llfloor built-in function.
        * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
        BUILT_IN_LLFLOOR.

2005-04-08  Ian Lance Taylor  <ian@airs.com>

        * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
        CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
        * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
        (DO_COND, DO_BODY): Likewise.
        (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
        (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
        (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
        BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
        (build_continue_stmt, build_break_stmt): Don't declare.
        (c_do_switch_warnings): Update declaration.
        * c-gimplify.c (enum bc_t): Remove.
        (struct c_gimplify_ctx, ctxp): Remove.
        (push_context, pop_context): Remove static functions.
        (c_genericize): Don't call push_context or pop_context.
        (begin_bc_block, finish_bc_block): Remove static functions.
        (build_bc_goto): Likewise.
        (gimplify_c_loop): Likewise.
        (gimplify_for_stmt, gimplify_while_stmt): Likewise.
        (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
        (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
        DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
        * c-common.c (c_do_switch_warnings): Rename from
        c_do_switch_warnings_1.
        (c_do_switch_warnings) [old version]: Remove.
        (c_do_switch_expr_warnings): Remove.
        * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
        function instead of c_do_switch_expr_warnings.
        * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
        CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
        * c-pretty-print.c (pp_c_statement): Likewise.
        * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.

2005-04-08  Devang Patel  <dpatel@apple.com>

        * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
        While selecting replacement condition pay attention to loop header.

2005-04-08  Diego Novillo  <dnovillo@redhat.com>

        Merge from tree-cleanup-branch: VRP, store CCP, store
            copy-prop, incremental SSA updating of FUD chains and
            newly exposed symbols.

        * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
        (OBJS-common): Add tree-vrp.o.
        (tree-vrp.o): New rule.
        * basic-block.h (nearest_common_dominator_for_set): Declare.
        * common.opt (ftree-store-ccp): New flag.
        (ftree-copy-prop): New flag.
        (ftree-vrp): New flag.
        (ftree-store-copy-prop): New flag.
        * dominance.c (nearest_common_dominator_for_set): New.
        * domwalk.c (walk_dominator_tree): Only traverse
        statements in blocks marked in walk_data->interesting_blocks.
        * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
        * fold-const.c (fold): Handle ASSERT_EXPR.
        * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
        Set flag_tree_store_ccp, flag_tree_store_copy_prop and
        flag_tree_vrp at -O2.
        * timevar.def (TV_TREE_VRP): Define.
        (TV_TREE_COPY_PROP): Define.
        (TV_TREE_STORE_COPY_PROP): Define.
        (TV_TREE_SSA_INCREMENTAL): Define.
        (TV_TREE_STORE_CCP): Define.
        * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
        to kill_redundant_phi_nodes from comment.
        (verify_expr): Handle ASSERT_EXPR.
        * tree-dfa.c (mark_new_vars_to_rename): Remove second
        argument.  Update all users.
        (mark_call_clobbered_vars_to_rename): Remove.  Update all
        users.
        * tree-flow-inline.h (unmodifiable_var_p): New.
        * tree-flow.h (enum value_range_type): Declare.
        (struct value_range_def): Declare.
        (value_range): Declare.
        (remove_all_phi_nodes_for): Remove.  Update all users.
        (find_phi_node_for): Declare.
        (add_type_alias): Declare.
        (count_uses_and_derefs): Declare.
        (kill_redundant_phi_nodes): Remove.
        (rewrite_into_ssa): Remove.
        (rewrite_def_def_chains): Remove.
        (update_ssa, register_new_name_mapping, create_new_def_for,
        need_ssa_update_p, name_registered_for_update_p,
        release_ssa_name_after_update_ssa, dump_repl_tbl,
        debug_repl_tbl, dump_names_replaced_by,
        debug_names_replaced_by, mark_sym_for_renaming,
        mark_set_for_renaming, get_current_def, set_current_def,
        get_value_range, dump_value_range, debug_value_range,
        dump_all_value_ranges, debug_all_value_ranges,
        expr_computes_nonzero, loop_depth_of_name,
        unmodifiable_var_p): Declare.
        * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
        ASSERT_EXPR.
        * tree-into-ssa.c (block_defs_stack): Update comment.
        (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
        syms_to_rename, names_to_release, repl_tbl,
        need_to_initialize_update_ssa_p, need_to_update_vops_p,
        need_to_replace_names_p): New locals.
        (NAME_SETS_GROWTH_FACTOR): Define.
        (struct repl_map_d): Declare.
        (struct mark_def_sites_global_data): Add field
        interesting_blocks.
        (enum rewrite_mode): Declare.
        (REGISTER_DEFS_IN_THIS_STMT): Define.
        (compute_global_livein): Use last_basic_block instead of
        n_basic_blocks.
        (set_def_block): Remove last argument.  Update all callers.
        (prepare_use_operand_for_rename): Remove.  Update all callers.
        (prepare_def_operand_for_rename): Remove.  Update all callers.
        (symbol_marked_for_renaming): New.
        (is_old_name): New.
        (is_new_name): New.
        (repl_map_hash): New.
        (repl_map_eq): New.
        (repl_map_free): New.
        (names_replaced_by): New.
        (add_to_repl_tbl): New.
        (add_new_name_mapping): New.
        (mark_def_sites): Assume that all the operands in the
        statement are in normal form.
        (find_idf): Assert that the block in the stack is valid.
        (get_default_def_for): New.
        (insert_phi_nodes_for): Add new argument 'update_p'.
        Add documentation.
        If update_p is true, add a new mapping between the LHS of
        each new PHI and the name that it replaces.
        (insert_phi_nodes_1): Only call find_idf if needed.
        (get_reaching_def): Call get_default_def_for.
        (rewrite_operand): Remove.
        (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
        and REWRITE_THIS_STMT are false.
        Assume that all the operands in the statement are in
        normal form.
        (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
        (rewrite_virtual_phi_arguments): Remove.
        (invalidate_name_tags): Remove.
        (register_new_update_single, register_new_update_set,
        rewrite_update_init_block, replace_use,
        rewrite_update_fini_block, rewrite_update_stmt,
        rewrite_update_phi_arguments): New.
        rewrite_blocks): Remove argument 'fix_virtual_phis'.
        Add arguments 'entry', 'what' and 'blocks'.
        Initialize the dominator walker according to 'what' and
        'blocks'.
        Start the dominator walk at 'entry'.
        (mark_def_site_blocks): Add argument 'interesting_blocks'.
        Use it to configure the dominator walker.
        (rewrite_into_ssa): Remove argument 'all'.
        Make internal.
        (rewrite_all_into_ssa): Remove.
        (rewrite_def_def_chains): Remove.
        (mark_def_interesting, mark_use_interesting,
        prepare_phi_args_for_update, prepare_block_for_update,
        prepare_def_site_for, prepare_def_sites,
        dump_names_replaced_by, debug_names_replaced_by,
        dump_repl_tbl, debug_repl_tbl, init_update_ssa,
        delete_update_ssa, create_new_def_for,
        register_new_name_mapping, mark_sym_for_renaming,
        mark_set_for_renaming, need_ssa_update_p,
        name_registered_for_update_p, ssa_names_to_replace,
        release_ssa_name_after_update_ssa,
        insert_updated_phi_nodes_for, update_ssa): New.
        * tree-loop-linear.c (linear_transform_loops): Call
        update_ssa instead of rewrite_into_ssa.
        * tree-optimize.c (vars_to_rename): Remove.
        Update all users.
        (init_tree_optimization_passes): Replace
        pass_redundant_phi with pass_copy_prop.
        Add pass_vrp.
        Replace pass_ccp with pass_store_ccp.
        Add pass_store_copy_prop after pass_store_ccp.
        (execute_todo): If the TODO_ flags don't include updating
        the SSA form, assert that it does not need to be updated.
        Call update_ssa instead of rewrite_into_ssa and
        rewrite_def_def_chains.
        If TODO_verify_loops is set, call verify_loop_closed_ssa.
        (tree_rest_of_compilation):
        * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
        TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
        TODO_cleanup_cfg): Renumber.
        (TODO_verify_loops, TODO_update_ssa,
        TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
        TODO_update_ssa_only_virtuals): Define.
        (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
        Declare.
        * tree-phinodes.c (make_phi_node): Update documentation.
        (remove_all_phi_nodes_for): Remove.
        (find_phi_node_for): New.
        * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
        * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
        (interpret_rhs_modify_expr): Likewise.
        * tree-sra.c (decide_instantiations): Mark all symbols in
        SRA_CANDIDATES for renaming.
        (mark_all_v_defs_1): Rename from mark_all_v_defs.
        (mark_all_v_defs): New function.  Update all users to call it
        with the whole list of scalarized statements, not just the
        first one.
        * tree-ssa-alias.c (count_ptr_derefs): Make extern.
        (compute_flow_insensitive_aliasing): If the tag is
        unmodifiable and the variable isn't or vice-versa, don't
        make them alias of each other.
        (setup_pointers_and_addressables): If the type tag for
        VAR is about to change, mark the old one for renaming.
        (add_type_alias): New.
        * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
        (ccp_lattice_t): Rename from latticevalue.
        (value): Remove.  Update all users.
        (const_val): New local variable.
        (do_store_ccp): New local variable.
        (dump_lattice_value): Handle UNINITIALIZED.
        (debug_lattice_value): New.
        (get_default_value): Re-write.
        (set_lattice_value): Re-write.
        (def_to_varying): Remove.  Update all users.
        (likely_value): Return VARYING for statements that make
        stores when STORE_CCP is false.
        Return VARYING for any statement other than MODIFY_EXPR,
        COND_EXPR and SWITCH_EXPR.
        (ccp_initialize): Re-write.
        (replace_uses_in, replace_vuse_in, substitute_and_fold):
        Move to tree-ssa-propagate.c.
        (ccp_lattice_meet): Handle memory stores when
        DO_STORE_CCP is true.
        (ccp_visit_phi_node): Likewise.
        (ccp_fold): Likewise.
        (evaluate_stmt): Likewise.
        (visit_assignment): Likewise.
        (ccp_visit_stmt): Likewise.
        (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
        into DO_STORE_CCP.
        (do_ssa_ccp): New.
        (pass_ccp): Use it.
        (do_ssa_store_ccp): New.
        (gate_store_ccp): New.
        (pass_store_ccp): Declare.
        * tree-ssa-copy.c: Include tree-ssa-propagate.h.
        (may_propagate_copy): Reformat.
        Don't abort if ORIG is a virtual and DEST isn't.
        If NEW does not have alias information but DEST does,
        copy it.
        (copy_of, cached_last_copy_of, do_store_copy_prop, enum
        copy_prop_kind, which_copy_prop): Declare.
        (stmt_may_generate_copy, get_copy_of_val,
        get_last_copy_of, set_copy_of_val, dump_copy_of,
        copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
        copy_prop_visit_stmt, copy_prop_visit_phi_node,
        init_copy_prop, fini_copy_prop, execute_copy_prop,
        gate_copy_prop, do_copy_prop, gate_store_copy_prop,
        store_copy_prop): New.
        (pass_copy_prop, pass_store_copy_prop): Declare.
        * tree-ssa-dom.c (struct opt_stats_d): Add fields
        'num_const_prop' and 'num_copy_prop'.
        (cprop_operand): Update them.
        (dump_dominator_optimization_stats): Dump them.
        (tree_ssa_dominator_optimize): Call update_ssa instead of
        rewrite_into_ssa.
        (loop_depth_of_name): Declare extern.
        (simplify_cond_and_lookup_avail_expr): Guard against NULL
        values for LOW or HIGH.
        (cprop_into_successor_phis): Only propagate if NEW != ORIG.
        (record_equivalences_from_stmt): Call expr_computes_nonzero.
        (cprop_operand): Only propagate if VAL != OP.
        * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
        statement for renaming.
        * tree-ssa-loop-im.c (move_computations): Call update_ssa.
        * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
        add_type_alias if necessary.
        Call mark_new_vars_to_rename.
        (tree_ssa_iv_optimize): If new symbols need to be renamed,
        mark every statement updated, call update_ssa and
        rewrite_into_loop_closed_ssa.
        * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
        from LIVEIN if VAR is a virtual.
        * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
        * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
        (get_call_expr_operands): Reformat statement.
        (add_stmt_operand): Don't create V_MAY_DEFs for read-only
        symbols.
        * tree-ssa-propagate.c (ssa_prop_init): Initialize
        SSA_NAME_VALUE for every name.
        (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
        get_value_loaded_by): New.
        (replace_uses_in, replace_vuses_in, replace_phi_args_in,
        substitute_and_fold): Move from tree-ssa-ccp.c.
        * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
        first_vdef, stmt_makes_single_load, stmt_makes_single_store,
        get_value_loaded_by, replace_uses_in, substitute_and_fold):
        Declare.
        * tree-ssa.c (verify_use): Fix error message.
        (propagate_into_addr, replace_immediate_uses, get_eq_name,
        check_phi_redundancy, kill_redundant_phi_nodes,
        pass_redundant_phi): Remove.  Update all users.
        * tree-vect-transform.c (vect_create_data_ref_ptr): Call
        add_type_alias, if necessary.
        * tree-vectorizer.h (struct _stmt_vect_info): Update
        documentation for field 'memtag'.
        * tree-vrp.c: New file.
        * tree.def (ASSERT_EXPR): Define.
        * tree.h (ASSERT_EXPR_VAR): Define.
        (ASSERT_EXPR_COND): Define.
        (SSA_NAME_VALUE_RANGE): Define.
        (struct tree_ssa_name): Add field 'value_range'.
        (PHI_REWRITTEN): Remove.
        (struct tree_phi_node): Remove field 'rewritten'.
        * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
        -ftree-store-copy-prop): Document.
        * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
        Document usage of update_ssa.

2005-04-08  David Edelsohn  <edelsohn@gnu.org>

        PR target/20814
        * config/rs6000/predicates.md (altivec_register_operand): Accept
        SUBREG.
        (and64_operand): Do not limit CONST_INT to mask64_operand.
        (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
        (and_operand): Do not limit CONST_INT to mask_operand.

2005-04-09  Hans-Peter Nilsson  <hp@axis.com>

        PR rtl-optimization/20466
        * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
        for overlap of the address of each list member.
        (mark_set_1): Call invalidate_mems_from_set for MEMs too.

2005-04-08  Mike Stump  <mrs@apple.com>

        * config/darwin.c (indirect_data): Fix typo in strncmp logic.

        * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
        instead of 4.

2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>

        * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.

        * function.c (push_function_context_to): Don't set
        contains_functions.
        * function.h (function): Remove contains_functions.
        (current_function_contains_functions): Remove.

        * function.h (function): Remove instrument_entry_exit.
        (current_function_instrument_entry_exit): Remove.

        * function.h (nonlocal_labels): Remove.

        * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.

        * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
        (check_attr_value, write_attr_get, write_expr_attr_cache,
        find_attr, make_internal_attr): Don't reference negative_ok or
        unsigned_p.
        * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
        ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
        (ATTR_STATIC): Adjust the value.

        * c-common.h (C_ARTIFICIAL_STRING_P): Remove.

2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/tpf.h (ASM_SPEC): Define.

2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-flow.h: Remove the prototype for
        redirect_immediate_uses.
        (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.

2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm.c (arm_const_double_by_parts): New function.
        * arm-protos.h (arm_const_double_by_parts): Add prototype.
        * arm.md (define_split for 64-bit constants): Add another one.

2005-04-08  Andrew MacLeod  <amacleod@redhat.com>

        * tree-ssa-operands.c (correct_use_link): Remove linear scan.

2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * system.h: Revert last change.

2005-04-08  Richard Sandiford  <rsandifo@redhat.com>

        * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
        (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
        (TARGET_SWITCHES): Delete.
        * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
        * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
        TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
        * config/xtensa/xtensa.opt: New file.

2005-04-08  Ben Elliston  <bje@au.ibm.com>

        * config/fp-bit.c: Include L_mul_tf in #endif comment.
        * config/fp-bit.h: Tidy comments.

2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * system.h: Poison PARAMS.

2005-04-07  Richard Sandiford  <rsandifo@redhat.com>

        * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
        (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
        (TARGET_SWITCHES): Delete.
        * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
        * config/vax/vax.opt: New file.

2005-04-07  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.

2005-04-07  Ian Lance Taylor  <ian@airs.com>

        * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
        define.
        * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
        * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
        Likewise.

2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
        all immediate uses in PHI nodes.

2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm.c (arm_const_double_inline_cost): Handle any constant by
        using gen_lowpart and gen_highpart_mode.
        (note_invalid_constants): All constants in an RTX with a constraint
        that permits memory are now pushed to the constant pool.
        (output_move_double): Delete code to handle reg to reg and
        constant to reg moves.
        (const_double_needs_minipool, output_mov_immediate): Delete.
        * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
        CONST_INT and CONST_VECTOR.
        * arm.md (ANY64): New mode macro.
        (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
        (movdf_soft_insn): Split reg-reg and const-reg moves.
        (split patterns for 64-bit constant and register moves): New.
        * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
        (cirrus_movdf_hard_insn): Likewise.
        * fpa.md (movdf_fpa): Likewise.
        * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
        (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
        constraints.
        (movv2si_internal_2): Likewise.
        * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
        (movdf_vfp): Likewise.
        * arm-protos.h (output_mov_immediate): Delete prototype.

2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>

        PR target/20093
        * simplify-rtx.c (simplify_unary_operation_1): Check
        SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.

2005-04-06  James E Wilson  <wilson@specifixinc.com>

        PR target/20717
        * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
        ADDR_EXPR.

2004-04-06  Richard Sandiford  <rsandifo@redhat.com>

        * coverage.h (GCOV_TYPE_NODE): Delete.
        * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
        (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
        * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
        (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
        * value-prof.c (tree_divmod_fixed_value_transform): Delete.

2004-04-06  Richard Sandiford  <rsandifo@redhat.com>

        PR other/20792
        * Makefile.in (gcc.pot): Remove options.c dependency.
        * optc-gen.awk: Don't quote help strings with N_().

2005-04-06  James A. Morrison  <phython@gcc.gnu.org>

        * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
        the function returns a pointer type.

2005-04-06  Daniel Berlin  <dberlin@dberlin.org>

        * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
        * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
        * doc/invoke.texi: Documnet salias-max-implicit-fields.
        * tree-ssa-alias.c (struct used_part): Add implicit_uses and
        explicit_uses members.
        (get_or_create_used_part_for): Initialize new fields.
        (fieldoff_compare): New function.
        (create_overlap_variables_for): Count number of fields, use
        heuristic to determine whether to create subvars for vars with
        only implicit uses.
        Sort the field list by offset and avoid creating duplicate SFT's.

2005-04-06  Richard Sandiford  <rsandifo@redhat.com>

        * c.opt (-F): Remove trailing whitespace from help string.
        (-finput-charset): Use a tab to separate the switch name and help
        string.
        * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
        (-ftree-vectorizer-verbose): Likewise.

2005-04-06  Kazu&nbs