* cfgcleanup.c (outgoing_edges_match, try_crossjump_to_edge):

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

2004-11-29  Steven Bosscher  <stevenb@suse.de>

        * cfgcleanup.c (outgoing_edges_match, try_crossjump_to_edge):
        Remove CASE_DROPS_THROUGH checks, it is never defined.
        * cfglyout.c (fixup_reorder_chain): Likewise.
        * cfgrtl.c (rtl_verify_flow_info): Likewise.
        * stmt.c (expand_case): Likewise.
        * cfgbuild.c (make_edges): Likewise.  Also remove force_fallthru,
        it is now always 0.
        * system.h (CASE_DROPS_THROUGH): Poison.
        * doc/md.texi (casesi): Remove documentation of CASE_DROPS_THROUGH.
        * doc/tm.texi (casesi): Remove documentation of CASE_DROPS_THROUGH.

        * config/v850/v850.h: Remove commented out CASE_DROPS_THROUGH.

2004-11-29  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/18725
        * tree-cfg.c (tree_node_can_be_shared): Error_mark_node can be
        shared always.

2004-11-29  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/18712
        * tree-into-ssa.c (insert_phi_nodes_for): Pass argument
        WORK_STACK by reference.
        Call VEC_safe_push instead of VEC_quick_push.
        Update all users.

2004-11-29  Daniel Jacobowitz  <dan@codesourcery.com>

        PR c/7544
        * Makefile.in (c-lang.o): Update dependencies.
        * c-lang.c: Include "c-pragma.h".
        (finish_file): Call maybe_apply_pending_pragma_weaks.
        * c-pragma.c (maybe_apply_pending_pragma_weaks): New function.
        * c-pragma.h (maybe_apply_pending_pragma_weaks): New prototype.

2004-11-29  Richard Henderson  <rth@redhat.com>

        PR target/17224
        * config/ia64/predicates.md (sdata_symbolic_operand): Deny offsets
        outside the referenced object.

2004-11-29  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-if-conv.c (replace_phi_with_cond_modify_expr): Use
        EDGE_PRED instead of PHI_ARG_EDGE.
        * tree-ssa-live.c: Likewise.
        * tree-ssa-loop-manip.c: Likewise.
        * tree-ssa.c: Likewise.

        * cfgrtl.c (cfg_layout_redirect_edge_and_branch): Speed up by
        simplifying edge manipulation.

        * cfgrtl.c (rtl_tidy_fallthru_edge): Speed up by using
        EDGE_COUNT.

        * tree-cfg.c (tree_redirect_edge_and_branch): Call find_edge
        only when needed.

        * cfg.c (flow_obstack): Remove.
        (flow_firstobj): Likewise.
        (init_flow): Remove all uses of flow_obstack.

2004-11-29  Alan Modra  <amodra@bigpond.net.au>

        * varasm.c (default_elf_select_section_1): Only pass DECL_P decl
        to named_section.

2004-11-29  Nathan Sidwell  <nathan@codesourcery.com>

        * opts.c (decode_options): Do not set max-inline-insns-rtl.
        (common_handle_option): Likewise.
        * params.def (PARAM_MAX_INLINE_INSNS_RTL): Remove.
        * params.h (MAX_INLINE_INSNS_RTL): Remove.
        * doc/invoke.texi (max-inline-insns-rtl): Remove.

2004-11-29  Alan Modra  <amodra@bigpond.net.au>

        PR target/9571
        * varasm.c (default_elf_select_section_1): Pass decl to named_section.

2004-11-28  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/18164
        * gimplify.c (gimplify_asm_expr): If the length of an output operand
        is zero, do not process it, just let it go through.

2004-11-28  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
            Diego Novillo  <dnovillo@redhat.com>

        PR/18662, also backported from tree-cleanup-branch.
        * tree-ssa-ccp.c (substitute_and_fold): If replaced anything,
        always call maybe_clean_eh_stmt and modify_stmt.

2004-11-28  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        PR/18664
        * tree-ssa-operands.c (build_ssa_operands, case MODIFY_EXPR):
        Ignore a VIEW_CONVERT_EXPR on LHS when deciding if must or may def.
        * tree-ssa-ccp.c (visit_assignment): If LHS is a VIEW_CONVERT_EXPR,
        add an inverse VIEW_CONVERT_EXPR to const_val.

        PR/18657
        * tree-nested.c (check_for_nested_with_variably_modified): New.
        (create_nesting_tree): Call it.

        * tree-ssa-alias.c (compute_points_to_and_addr_escapes): Remove
        special code for assigning to non-pointer.
        (is_escape_site): If RHS is a conversion between pointer and integer
        types,  this is an escape site.

        * gcse.c (insert_store): Error if try to insert store on abnormal edge.
        (store_motion): Don't move store if any edge we'd want to move it
        to is abnormal.

        * expr.c (expand_expr_real_1, case ARRAY_REF): Properly fold with
        non-zero lower bound.

        * expr.c (categorize_ctor_elements_1, case STRING_CST): New case.

2004-11-28  Matt Kraai  <kraai@alumni.cmu.edu>

        PR diagnostic/17594
        * opts.c (find_opt): Require that the input match a switch exactly
        or that the switch take a joined option to be interpreted as a
        match for another language.

2004-11-28  Andrew Pinski  <pinskia@physics.uc.edu>

        * timevar.def (TV_TREE_REDPHI): New timevar.
        * tree-ssa.c (pass_redundant_phi): Use TV_TREE_REDPHI for the tv id.

2004-11-28  Nathanael Nerode  <neroden@gcc.gnu.org>

        PR preprocessor/17651
        * c-opts.c (sanitize_cpp_opts): Make flag_no_output imply
        flag_no_line_commands.
        * c-ppoutput.c (pp_file_change): Remove now-redundant check of
        flag_no_output.

2004-11-28  Theodore A. Roth  <troth@openavr.org>

        * config/avr/avr.c (avr_handle_fndecl_attribute): Generate a
        warning if the function name does not begin with "__vector" and the
        function has either the 'signal' or 'interrupt' attribute.

2004-11-28  Theodore A. Roth  <troth@openavr.org>

        * config/avr/avr.c (avr_mcu_types): Add entries for atmega48,
        atmega88, atmega168, attiny13, attiny2313, at90can128, atmega165,
        atmega325, atmega3250, atmega645 and atmega6450.
        * config/avr/avr.h (LINK_SPEC): Ditto.
        (LIB_SPEC): Ditto.
        (LIBGCC_SPEC): Ditto.
        (CRT_BINUTILS_SPECS): Ditto.
        * config/avr/t-avr (MULTILIB_MATCHES): Ditto.

2004-11-28  Nathanael Nerode  <neroden@gcc.gnu.org>

        PR preprocessor/17610
        * testsuite/gcc.dg/cpp/empty-include.c: New testcase.

2004-11-28  Jeff Law  <law@redhat.com>

        * tree-ssa-alias.c (count_calls_and_maybe_create_global_var): New.
        (pass_maybe_create_global_var): New.
        * tree-pass.h (pass_maybe_create_global_var): Declare.
        * tree-optimize.c (init_tree_optimization_passes): Link in
        pass_maybe_create_global_var.

2004-11-28  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree-inline.c (inline_forbidden_p_1, case RECORD_TYPE): Add comment.

2004-11-28  Ulrich Weigand  <uweigand@de.ibm.com>

        PR rtl-optimization/18420
        * simplify-rtx.c (simplify_gen_subreg): Revert 2004-10-28 change.

2004-11-28  Steven Bosscher  <stevenb@suse.de>
            John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config/vax/vax.h (CASE_DROPS_THROUGH): Don't define.
        * config/vax/vax.md (casesi): Emit a test-and-branch to make sure
        that the case is in range, to make sure the casesi insn is always
        in range and never falls through.
        (casesi1): Add comment to explain why casesi never falls through.
        Remove the unnamed special case casesi pattern.

2004-11-28  Hans-Peter Nilsson  <hp@bitrange.com>

        PR target/18331
        * config/mmix/mmix.md ("*movdicc_real_reversible"): Rename from
        "*movdicc_real".  Only match reversible comparisons.
        ("*movdicc_real_nonreversible"): New pattern, split from
        "*movdicc_real".  Match only nonreversible comparisons.  Exclude
        reversed alternatives.
        ("*movdfcc_real_reversible", "*movdfcc_real_nonreversible"):
        Similar.

2004-11-27  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.md: Move all define_predicate's ...
        * config/ia64/predicates.md: ... here.  New file.

2004-11-27  Per Bothner  <per@bothner.com>

        PR bootstrap/18142
        Re-applied following, with two modifications: add a URL for the
        fixed cctools; only exit if $build = $target.

        2004-10-18  Kelley Cook  <kcook@gcc.gnu.org>
        * configure.ac (powerpc-*-darwin*): Require assembler to support
        .machine directive.
        * configure: Regenerate.

2004-11-28  David Edelsohn  <edelsohn@gnu.org>

        PR target/16800
        * config/rs6000/rs6000.c (rs6000_rtx_costs): Improve accuracy of
        EQ, GTU, and LTU costs.  Add costs for GT, LT, and UNORDERED.
        Distinguish between SImode and DImode CONST_INT.

2004-11-28  Andreas Fischer <a_fisch@gmx.de>
            Alan Modra  <amodra@bigpond.net.au>

        PR target/16343
        * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Disallow
        functions, strings and thread-local vars.

2004-11-28  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.h (WORLD_SAVE_P): Define.
        * config/rs6000/darwin.h (WORLD_SAVE_P): Define.
        * config/rs6000/rs6000.c (compute_save_world_info): Use WORLD_SAVE_P
        to allow non-darwin ABIs to optimize away code.
        (rs6000_emit_prologue, rs6000_emit_epilogue): Likewise.

2004-11-27  Kazu Hirata  <kazu@cs.umass.edu>

        * tree.c (operand_equal_for_phi_arg_p): New.
        * tree.h: Add a prototype for operand_equal_for_phi_arg_p.
        * tree-cfg.c, tree-ssa-dom.c, tree-ssa-phiopt.c, tree-ssa.c:
        Replace operand_equal_p with operand_for_phi_arg_p
        appropriately.

        * bb-reorder.c (find_traces_1_round): Speed up by using
        EDGE_COUNT instead of FOR_EACH_EDGE.

        * fold-const.c, config/i386/linux64.h: Fix comment typos.

2004-11-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR pch/14940
        * config/host-linux.c (TRY_EMPTY_VM_SPACE): Revert 2004-11-22 change.

2004-11-27  Kazu Hirata  <kazu@cs.umass.edu>

        * config/i386/linux.h: Fix a comment typo.
        * doc/extend.texi: Fix a typo.

2004-11-27  Jeff Law  <law@redhat.com>

        * tree-cfg.c (cleanup_tree_cfg): Also return true if blocks
        are merged.

2004-11-27  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/linux64.h (REG_NAME): Define.

2004-11-27  Jakub Jelinek  <jakub@redhat.com>

        * fold-const.c (extract_muldiv_1) <case ABS_EXPR>: If ctype is
        unsigned and type signed, build ABS_EXPR with signed_type (ctype)
        and only afterwards convert to ctype.

2004-11-27  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips-protos.h (function_arg_boundary): Declare.
        * config/mips/mips.h (PARM_BOUNDARY): Simplify definition.
        (STACK_BOUNDARY, MIPS_STACK_ALIGN): Likewise.
        (FUNCTION_ARG_BOUNDARY): Use new function_arg_boundary function.
        * config/mips/mips.c (function_arg_boundary): New function.
        Impose a maximum alignment of STACK_BOUNDARY.

2004-11-27  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/17825
        * combine.c (subst): Ignore STRICT_LOW_PART no matter if REG_P (new)
        or not.

2004-11-27  Alan Modra  <amodra@bigpond.net.au>

        PR target/12769
        * config/rs6000/rs6000.c (init_cumulative_args): Set call_cookie
        from rs6000_default_long_calls for libcalls.

2004-11-26  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * expmed.c (extract_bit_field): When extracting from non-integer mode,
        force a SUBREG into a register because we may be taking a further
        SUBREG of it.

2004-11-27  Di-an Jan  <dianj@freeshell.org>

        * doc/contrib.texi (Tim Josling): Remove nesting quotation marks.

2004-11-26  Robert Millan  <robertmh@gnu.org>

        Changes for k*bsd-gnu support.
        * config/i386/linux.h: Define REG_NAME to allow overriding of
        register names in sc structure.
        * config/i386/linux-unwind.h: Refer to sc->REG_NAME(reg) instead
        of sc->reg.
        * config.gcc: Detect x86_64-k*bsd-gnu systems.

2004-11-26  Jeff Law  <law@redhat.com>

        * tree-ssa.c (verify_flow_sensitive_alias_info): Don't
        retrieve annotations or pointer info before it's necessary.
        Reorder tests for early continue of the loop.  Manually CSE
        SSA_NAME_VAR.

2004-11-26  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * target.h (struct gcc_target): New field 'dwarf_handle_frame_unspec'.
        * target_def.h (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define to 0.
        (TARGET_INITIALIZER): Add TARGET_DWARF_HANDLE_FRAME_UNSPEC.
        * dwarf2out.c (dwarf2out_frame_debug_expr): Allow REG->REG move
        to a fixed reg if the source is the Return Address register.
        Implement new Rule 15.
        * doc/tm.texi (Frame Layout): Document TARGET_DWARF_HANDLE_FRAME_UNSPEC.
        * config/sparc/sparc.c (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define to
        sparc_dwarf_handle_frame_unspec.
        (gen_save_register_window): New function.
        (emit_stack_pointer_increment): Rename into gen_stack_pointer_inc.
        (emit_stack_pointer_decrement): Rename into gen_stack_pointer_dec.
        (expand_prologue): Adjust calls to emit_stack_pointer_{in,de}crement.
        Set RTX_FRAME_RELATED_P on the appropriate insns and members of insns.
        (sparc_asm_function_prologue): Do not emit call frame debugging info.
        (emit_and_preserve): Adjust calls to emit_stack_pointer_{in,de}crement.
        (sparc_expand_epilogue): Likewise.
        (sparc_dwarf_handle_frame_unspec): New function.
        * config/sparc/sparc.md (save_register_window): Remove.
        (save_register_windowdi): Rewrite modelled on the callframe debug info.
        (save_register_windowsi): Likewise.

2004-11-26  Alexandre Oliva  <aoliva@redhat.com>

        * config/frv/frv-protos.h: Guard ifcvt functions declarations with
        BB_HEAD, not BLOCK_HEAD.

2004-11-26  Alexandre Oliva  <aoliva@redhat.com>

        * config/frv/frv.c (frv_ifcvt_modify_insn): Don't leave alone
        scratch insns that set a register live at the join point.

2004-11-26  Kazu Hirata  <kazu@cs.umass.edu>

        * cse.c, tree-ssa-operands.c: Fix comment typos.

        * tree-cfg.c (tree_split_edge): Speed up by using find_edge.

2004-11-26  James A. Morrison  <phython@gcc.gnu.org>

        PR target/18510
        * doc/extend.texi (SPARC VIS Built-in Functions): New section.

2004-11-26  Kazu Hirata  <kazu@cs.umass.edu>

        * cfgrtl.c (try_redirect_by_replacing_jump): Speed up the
        check that tests if all edges go to the same destination.

        * bitmap.c (bitmap_find_bit): Speed up by traversing from
        head->first if that seems profitable.

2004-11-25  Jeff Law  <law@redhat.com>

        * timevar.def (TV_TREE_LOOP_INIT, TV_TREE_LOOP_FINI): New timevars.
        * tree-ssa-loop.c (pass_loop_init): Use TV_TREE_LOOP_INIT.
        (pass_loop_done): Use TV_TREE_LOOP_FINI.

2004-11-26  Alan Modra  <amodra@bigpond.net.au>

        PR rtl-optimization/16356
        * config/rs6000/rs6000.md (floatdisf2_internal2): Rewrite with
        separate output register and one less jump.  Enable for powerpc64.
        (floatdisf2): Adjust for above.

2004-11-25  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.h (STARTFILE_SPEC): Add crt0.
        (GCC_DRIVER_HOST_INITIALIZATION): Define.

2004-11-25  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/17957
        * tree-complex.c (vector_inner_type): New variable moved from
        build_word_mode_vector_type.
        (vector_last_type): Likewise.
        (vector_last_nunits): Likewise.
        (build_word_mode_vector_type): Use the new variables.
        * Makefile.in (tree-complex.o): Add gt-tree-complex.h $(GGC_H).
        (GTFILES): Add tree-complex.c.
        (gt-tree-complex.h): New rule, add it to the rest of the gt-* rules.

2004-11-25  Bob Wilson  <bob.wilson@acm.org>

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

2004-11-25  Richard Henderson  <rth@redhat.com>

        * dwarf2out.c (dwarf2out_stack_adjust): Add after_p argument.  Save
        args_size adjustments for calls even with cfa as stack pointer.
        Search calls for stack adjustments after the insn is issued.
        (dwarf2out_frame_debug): Add after_p argument; pass it on.
        * dwarf2out.h (dwarf2out_frame_debug): Update to match.
        * final.c (final_start_function, final_scan_insn): Likewise.

2004-11-25  Richard Henderson  <rth@redhat.com>

        PR c++/6764
        * reload1.c (set_initial_eh_label_offset): New.
        (set_initial_label_offsets): Use it.

2004-11-25  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_output_mi_thunk): Initialize bitmap obstacks
        before calling life_analysis and release them after.

2004-11-25  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-forwprop.c (substitute_single_use_vars): Remove
        duplicate code.

2004-11-25  Andrew Pinski <pinskia@physics.uc.edu>

        * bitmap.h (BITMAP_XMALLOC): Use BITMAP_ALLOC and not
        BITMAP_OBSTACK_ALLOC.
        (BITMAP_XFREE): Use BITMAP_FREE and not BITMAP_OBSTACK_FREE.

2004-11-25  Andrew Pinski <pinskia@physics.uc.edu>

        parts of PR rtl-opt/18463, rtl-opt/17647
        * cse.c (canon_for_address): New function.
        (find_best_addr): Call canon_for_address before getting the
        address's cost when checking if we should take that address.

2004-11-25  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-phinodes.c (add_phi_arg): Take "tree" instead of
        "tree *" as the first argument.
        * tree-flow.h: Update the prototype of add_phi_arg.
        * lambda-code.c, tree-cfg.c, tree-into-ssa.c,
        tree-ssa-loop-ivopts.c, tree-ssa-loop-manip.c, tree-ssa-pre.c,
        tree-ssa-threadupdate.c, tree-ssa.c, tree-tailcall.c,
        tree-vectorizer.c: Update all call sites of add_phi_arg.

2004-11-25  Nathan Sidwell  <nathan@codesourcery.com>

        * bitmap.c (bitmap_malloc_alloc, bitmap_malloc_free): Remove.
        * bitmap.h (bitmap_malloc_alloc, bitmap_malloc_free): Remove.
        (BITMAP_XMALLOC): Forward to BITMAP_OBSTACK_ALLOC.
        (BITMAP_XFREE): Forward to BITMAP_OBSTACK_FREE.

2004-11-25  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/18587
        * tree-flow-inline.h (mark_call_clobbered, mark_non_addressable): Flag
        call clobbered caches as invalid.
        * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): New.  Flag
        indicating whether the call clobbered operand cache is valid.
        (ssa_ro_call_cache_valid): New.  Flag indicating whether the
        pure/const call operand cache is valid.
        (clobbered_v_may_defs, clobbered_vuses, ro_call_vuses): New.  Cached
        list of operands for cached call virtual operands.
        (clobbered_aliased_loads, clobbered_aliased_stores,
        ro_call_aliased_load): New.  flags caching whether alias bits are
        to be set in call stmt's.
        (fini_ssa_operands): Remove call operand caches if present.
        (get_expr_operands, get_asm_expr_operands,
        get_indirect_ref_operands): Pass stmt annotation to add_stmt_operand.
        (get_call_expr_operands): Add call clobbered variables first.
        (add_stmt_operand): Take stmt annotation rather than stmt as a param.
        (add_call_clobber_ops, add_call_read_ops): Use the call operand cache
        if it is valid, otherise fill the cache.
        * tree-ssa-operands.h (ssa_clobbered_cache_valid): Declare extern.
        * tree-flow.h (struct var_ann_d): Add in_vuse_list and
        in_v_may_def_list bits.
        * tree-ssa-operands.c (cleanup_v_may_defs): New.  Clear the
        in_list bits for the v_may_def elements and empty the operand
        build array
        (finalize_ssa_vuses): Use cleanup_v_may_defs and remove redundant
        VUSES by checking the in_v_may_def_list bit.
        (append_v_may_def, append_vuse): Use the in_list bit rather than
        scanning the array for duplicates.

2004-11-25  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_short_displacement): UNSPEC_GOTNTPOFF
        displacements are not short.

2004-11-25  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (legitimize_pic_address): Use s390_load_address
        to load addresses.

2004-11-25  Mark Mitchell  <mark@codesourcery.com>

        PR c++/18001
        * c-common.h (lvalue_use): Move here from c-ctypeck.c.
        (lvalue_or_else): Declare.
        * c-common.c (lvalue_or_else): Move here from c-typeck.c.
        * c-typeck.c (lvalue_use): Remove.
        (lvalue_or_else): Remove.

        PR c++/18556
        * toplev.c (check_global_declarations): Set DECL_IGNORED_P on
        unemitted variables with static storage duration.

2004-11-25  Gerald Pfeifer  <gerald@pfeifer.com>

        * tree-cfg.c (tree_verify_flow_info): Do not terminate error()
        message with \n.

2004-11-25  Nathan Sidwell  <nathan@codesourcery.com>

        * config/rs6000/altivec.md (VIshort): New mode macro.
        (altivec_vaddubs, altivec_vadduhs, altivec_vadduws): Replace
        with ...
        (altivec_vaddu<VI_char>s): ... this.
        (altivec_vaddsbs, altivec_vaddshs, altivec_vaddsws): Replace
        with ...
        (altivec_vadds<VI_char>s): ... this.
        (altivec_vsububs, altivec_vsubuhs, altivec_vsubuws): Replace
        with ...
        (altivec_vsubu<VI_char>s): ... this.
        (altivec_vsubsbs, altivec_vsubshs, altivec_vsubsws): Replace
        with ...
        (altivec_vsubs<VI_char>s): ... this.
        (altivec_vavgub, altivec_vavguh, altivec_vavguw): Replace
        with ...
        (altivec_vavgu<VI_char>): ... this.
        (altivec_vavgsb, altivec_vavgsh, altivec_vavgsw): Replace
        with ...
        (altivec_vavgs<VI_char>): ... this.
        (altivec_vmsumubm, altivec_vmsumuhm): Replace with ...
        (altivec_vmsumu<VI_char>m): ... this.
        (altivec_vmsummbm, altivec_vmsummhm): Replace
        with ...
        (altivec_vmsumm<VI_char>m): ... this.
        (altivec_vandc): Remove.
        (*andc<mode>3): Renamed to ...
        (andc<mode>3): ... here. Swap operand 1 and 2 numbering.
        (altivec_vrlb, altivec_vrlh, altivec_vrlw): Replace
        with ...
        (altivec_vrl<VI_char>): ... this.
        (altivec_vslb, altivec_vslh, altivec_vslw): Replace
        with ...
        (altivec_vsl<VI_char>): ... this.
        (altivec_vsrb, altivec_vsrh, altivec_vsrw): Replace
        with ...
        (altivec_vsr<VI_char>): ... this.
        (altivec_vsrab, altivec_vsrah, altivec_vsraw): Replace
        with ...
        (altivec_vsra<VI_char>): ... this.
        (altivec_vsum4sbs, altivec_vsum4shs): Replace with ...
        (altivec_vsum4s<VI_char>s): ... this.
        (altivec_vperm_4si, altivec_vperm_8hi, altivec_vperm_16qi): Replace
        with ...
        (altivec_vperm_<mode>): ... this.
        (altivec_vsel_4sf): Rename to ...
        (altivec_vsel_v4sf): ... here.
        (altivec_vsel_4si, altivec_vsel_8hi, altivec_vsel_16qi): Replace
        with ...
        (altivec_vsel_<mode>): ... this.
        (altivec_vsldoi_4si, altivec_vsldoi_8hi,
        altivec_vsldoi_16qi): Rename to ...
        (altivec_vsldoi_v4si, altivec_vsldoi_v8hi,
        altivec_vsldoi_v16qi): ... here.
        (altivec_vsldoi_4sf): Rename to ...
        (altivec_vsldoi_v4sf): ... here.
        (altivec_predicate_v4si, altivec_predicate_v8hi,
        altivec_predicate_v16qi): Replace with ...
        (altivec_predicate_<mode>): ... this.
        (altivec_lvebx, altivec_lvehx, altivec_lvewx): Replace
        with ...
        (altivec_lve<VI_char>x): ... this.
        (altivec_stvebx, altivec_stvehx, altivec_stvewx): Replace
        with ...
        (altivec_stve<VI_char>x): ... this.
        (absv16qi2, absv8hi2, absv4si2): Replace
        with ...
        (abs<mode>2): ... this.
        (altivec_abss_v16qi, altivec_abss_v8hi, altivec_abss_v4si): Replace
        with ...
        (altivec_abss_<mode>): ... this.
        (vec_realign_load_v16qi, vec_realign_load_v8hi,
        vec_realign_load_v4si): Replace with ...
        (vec_realign_load_<mode>): ... this.
        * config/rs6000/rs6000.c (bdesc_3arg, bdesc_2arg): Update tweaked
        insn names.
        (rs6000_expand_ternop_builtin): Likewise.

2004-11-25  Andrew Haley  <aph@redhat.com>

        * gcc.c (process_command): Don't supply -v to linker.

2004-11-25  Joseph S. Myers  <joseph@codesourcery.com>

        * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Use %qs
        instead of `%s' in diagnostic.

2004-11-25  Nathan Sidwell  <nathan@codesourcery.com>

        * basic-block.h (OBSTACK_ALLOC_REG_SET): Adjust.
        (FREE_REG_SET): Adjust.
        * bitmap.c (bitmap_obstack_free): Cope with NULL bitmap.
        * bitmap.h (BITMAP_OBSTACK_ALLOC): Rename to ...
        (BITMAP_ALLOC): ... here.
        (BITMAP_OBSTACK_FREE): Rename to ...
        (BITMAP_FREE): Don't check for NULL bitmap here.
        * tree-ssa-pre.c (value_insert_into_set_bitmap,
        bitmap_set_new): Use new names.

        * bt-load.c (migrate_btr_defs): Remove unneeded NULL check.
        * df.c (df_free): Likewise.
        * ra-build.c (ra_build_free, ra_build_free_all): Likewise.
        * tree-ssa-loop-ivopts.c (set_use_iv_cost): Likewise.

        * basic-block.h (OBSTACK_ALLOC_REG_SET): Rename to ...
        (ALLOC_REG_SET): ... here.
        (FREE_REG_SET): Adjust.
        (XMALLOC_REG_SET, XFREE_REG_SET): Remove.
        * bb-reorder.c (fix_crossing_conditional_branches): Adjust.
        * cfglayout.c (cfg_layout_duplicate_bb): Adjust.
        * cfgrtl.c (rtl_split_block, rtl_split_edge,
        safe_insert_insn_on_edge, cfg_layout_split_edge): Adjust.
        * flow.c (update_life_info, calculate_global_regs_live,
        allocate_bb_life_data, init_propagate_block_info): Adjust.
        * global.c (build_insn_chain): Adjust.
        * ifcvt.c (dead_or_predicable): Adjust.
        * loop-iv.c (simplify_using_initial_values): Adjust.
        * recog.c (peephole2_optimize): Adjust.
        * sched-deps.c (init_deps_global): Adjust.

2004-11-25  Ralf Corsepius <ralf.corsepius@rtems.org>

        * config.gcc (avr-*-rtems*): Fix typo.

2004-11-25  J"orn Rennecke <joern.rennecke@st.com>

        * sh.c (sh_output_mi_thunk): Do not call regset_release_memory.

2004-11-24  Jeff Law  <law@redhat.com>

        * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Reduce
        the number of queries to random elements in the ai->written_vars
        bitmap.

2004-11-24  Roger Sayle  <roger@eyesopen.com>

        * config/i386/i386.c (override_options): Disable x87 fancy math
        intrinsics if -mfpmath= doesn't include 387 (default on x86_64).

2004-11-24  Roger Sayle  <roger@eyesopen.com>

        * configure.ac: Tweak test for HAVE_DECL_LDGETNAME to avoid a
        system header conflict on AIX 5.2.
        * configure: Regenerate.

2004-11-24  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-outof-ssa.c (coalesce_abnormal_edges): Use e->dest_idx
        instead of calling phi_arg_from_edge.

        * tree-phinodes.c (remove_phi_args): Replace phi_arg_from_edge
        with e->dest_idx.

2004-11-24  Ben Elliston  <bje@au.ibm.com>

        * config/i386/i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
        * config/i386/i386.c (i386_dwarf_output_addr_const): Likewise.
        * config/i386/i386-protos.h (i386_dwarf_output_addr_const):
        Likewise.

2004-11-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree-sra.c (sra_walk_modify_expr): Handle RHS first, then LHS.

        * tree-inline.c (copy_body_r): Explicitly copy a constant if the
        type will be remapped.

2004-11-24  Steven Bosscher  <stevenb@suse.de>

        * c-opts.c (c_common_post_options): Don't clear
        flag_inline_functions.
        * dojump.c (clear_pending_stack_adjust): Remove check on
        flag_inline_functions, it's always true.
        * config/alpha/alpha.md (movdi_er_maybe_g): Remove splitter
        that can never trigger.
        * config/c4x/c4x.h (TARGET_CPU_CPP_BUILTINS): Don't look at
        flag_inline_trees, now that flag_inline_functions is never
        cleared.
        * config/pdp11/pdp11.h (OPTIMIZATION_OPTIONS): Don't set
        flag_inline_functions at optimization levels greater than
        or equal to 3.  This is already done by default.

2004-11-24  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-outof-ssa.c (eliminate_build): Use g->e->dest_idx
        instead to find the PHI argument.  Do not take I as an
        argument.
        (eliminate_phi): Adjust the call to eliminate_build.  Do not
        take I as an argument.
        (rewrite_trees): Adjust the call to eliminate_phi.

2004-11-24  Richard Sandiford  <rsandifo@redhat.com>

        * optabs.h (force_expand_binop): Declare.
        * optabs.c (force_expand_binop): Export.
        * stmt.c (shift_return_value): Delete.
        (expand_return): Don't call it.
        * expr.h (shift_return_value): Declare.
        * calls.c (shift_returned_value): Delete in favor of...
        (shift_return_value): ...this new function.  Leave the caller to check
        for non-BLKmode values passed in the msb of a register.  Take said mode
        and a shift direction as argument.  Operate on the hard function value,
        not a pseudo.
        (expand_call): Adjust accordingly.
        * function.c (expand_function_start): If a non-BLKmode return value
        is padded at the last significant end of the return register, use the
        return value's natural mode for the DECL_RESULT, not the mode of the
        padded register.
        (expand_function_end): Shift the same sort of return values left by
        the appropriate amount.

2004-11-24  Matt Austern  <austern@apple.com>

        * recog.c (recog_memoized_1): Remove.
        * recog.h (recog_memoized_1): Remove declaration.
        (recog_memoized): Change from macro to inline function.

2004-11-24  Devang Patel  <dpatel@apple.com>

        PR/18555
        * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add isysroot.
        * config/darwin-c.c (darwin_register_frameworks): Use sysroot.

2004-11-24  Devang Patel  <dpatel@apple.com>

        * gcc.c (process_command): Supply -v to linker.

2004-11-24  David Edelsohn  <edelsohn@gnu.org>
            Paolo Bonzini  <bonzini@gnu.org>

        * config/rs6000/rs6000.c (rs6000_return_in_memory): Allow Altivec
        vector modes without ALTIVEC_ABI.  Use GCC vector instead of
        synthetic vector.
        (rs6000_pass_by_reference): Split conditional into pieces.  Use
        GCC vector instead of synthetic vector.

2004-11-24  Aldy Hernandez  <aldyh@redhat.com>

        * tree.c (recompute_tree_invarant_for_addr_expr): The address of a
        thread-local variable is invariant.

2004-11-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree-pretty-print.c (dump_generic_node, case POINTER_TYPE):
        Handle TYPE_REF_CAN_ALIAS_ALL.
        (print_declaration): Print array dimensions like dump_generic_node.

        * fold-const.c (operand_equal_p): Remove kludge allowing ARG0 and
        ARG1 to be null; instead define OP_SAME and OP_SAME_NULL and use them.

2004-11-24  Nathan Sidwell  <nathan@codesourcery.com>

        * bitmap.c (INLINE): Do not define.
        (bitmap_elem_to_freelist, bitmap_element_free,
        bitmap_element_allocate, bitmap_clear, bitmap_element_zerop,
        bitmap_element_link, bitmap_find_bit): Use inline keyword/macro.

2004-11-24  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-dom.c (cprop_into_successor_phis): Remove code to
        find the index of a PHI argument.  Use e->dest_idx instead.
        Replace hint with index.

        * tree-ssa-dom.c (cprop_into_successor_phis): Replace index
        with indx.

2004-11-24  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-alias.c (merge_pointed_to_info): Fix comment
        regarding PT_MALLOC.

2004-11-24  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/i386.c (optimization_options): Use
        SUBTARGET_OPTIMIZATION_OPTIONS.
        * config/i386/sol2-10.h (SUBTARGET_OPTIMIZATION_OPTIONS): Define.
        (TARGET_SUBTARGET_DEFAULT): Don't include
        MASK_OMIT_LEAF_FRAME_POINTER.

2004-11-24  Mark Mitchell  <mark@codesourcery.com>

        * config/i386/sol2.h (X86_FILE_START_VERSION_DIRECTIVE):
        Define to false.

2004-11-24  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/t-sol2-10 (MULTILIB_DIRNAMES, MULTILIB_OSDIRNAMES):
        Use amd64 instead of 64.

2004-11-24  Mark Mitchell  <mark@codesourcery.com>
            Joseph Myers  <joseph@codesourcery.com>

        * crtstuff.c (IN_LIBGCC2): Define it.
        (EH_FRAME_SECTION_CONST): Check EH_TABLES_CAN_BE_READ_ONLY
        instead of HAVE_LD_RO_RW_SECTION_MIXING.
        * defaults.h (EH_TABLES_CAN_BE_READ_ONLY): New macro.
        * dwarf2out.c (named_section_eh_frame_section): Check
        EH_TABLES_CAN_BE_READ_ONLY.
        * except.c (default_exception_section): Likewise.
        * config/i386/sol2.h (EH_TABLES_CAN_BE_READ_ONLY): Define.
        * doc/tm.texi (EH_TABLES_CAN_BE_READ_ONLY): Document.

2004-11-24  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-pre.c (phi_translate): Use find_edge to find the
        index of a PHI argument.

        * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi): Use
        find_edge to find the index of a PHI argument.

2004-11-24  Steven Bosscher  <stevenb@suse.de>

        * expr.c (expand_expr_real_1): Remove cases for EXIT_BLOCK_EXPR
        and LABELED_BLOCK_EXPR.
        * gimplify.c (gimplify_labeled_block_expr): Remove.
        (gimplify_exit_block_expr): Remove.
        (gimplify_expr): Don't call them.
        * tree-inline.c (copy_body_r): Don't handle EXIT_BLOCK_EXPR
        and LABELED_BLOCK_EXPR.
        (estimate_num_insns_1): Likewise.
        (walk_tree): Likewise.
        * tree-pretty-print.c (dump_generic_node): Don't handle
        EXIT_BLOCK_EXPR and LABELED_BLOCK_EXPR.
        * tree.def (EXIT_BLOCK_EXPR): Moved to java-tree.def.
        (LABELED_BLOCK_EXPR): Likewise.
        * tree.h (LABELED_BLOCK_LABEL): Moved to java-tree.h.
        (LABELED_BLOCK_BODY): Likewise.
        (EXIT_BLOCK_LABELED_BLOCK): Likewise.
        (EXIT_BLOCK_RETURN): Removed.

2004-11-24  Steven Bosscher  <stevenb@suse.de>

        * cfgrtl.c (rtl_delete_block): Fix comment.
        * emit-rtl.c (remove_unnecessary_notes): Die if we see BLOCK_BEG
        or BLOCK_END insn notes.
        * jump.c (squeeze_notes): Likewise.
        * haifa-sched.c (reemit_notes): Don't "re-emit" EH_REGION_BEG and
        EH_REGION_END notes, we never have them to begin with.
        * sched-deps.c (sched_analyze_insn): When updating loop notes,
        verify that we have indeed only recorded loop notes.
        (sched_analyze): Die if we see EH_REGION_BEG or EH_REGION_END notes.
        Only record loop notes.

        * cfgexpand.c (tree_expand_cfg): Fix comment.

        * passes.c (rest_of_compilation): Don't do a second call to
        convert_from_eh_region_ranges from here, it's already called
        from cfgexpand.c.
        * except.c (resolve_fixup_regions): Remove.
        (remove_fixup_regions): Remove.
        (convert_from_eh_region_ranges_1): Remove.
        (convert_from_eh_region_ranges): Remove the case where EH is
        not already lowered at the tree level.  We always lower there.

2004-11-24  Paolo Bonzini  <bonzini@gnu.org>

        PR c++/16882
        * tree.c (make_vector_type): Move qualifiers to the vector type,
        use the inner type's main variant and build a main variant for
        the vector type if necessary.
        (type_hash_eq): Check a vector type's TYPE_VECTOR_SUBPARTS.

2004-11-24  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * target.h (late_rtl_prologue_epilogue): Remove.
        * target-def.h (TARGET_LATE_RTL_PROLOGUE_EPILOGUE): Remove.
        * system.h: Poison TARGET_LATE_RTL_PROLOGUE_EPILOGUE.
        * passes.c (rest_of_handle_prologue_epilogue): Remove and move
        remaining bits to...
        (rest_of_handle_flow2): ...here.
        (rest_of_compilation): Remove call to rest_of_handle_prologue_epilogue.
        * doc/tm.texi (TARGET_LATE_RTL_PROLOGUE_EPILOGUE): Remove.

2004-11-23  Mark Mitchell  <mark@codesourcery.com>

        * hwint.h (HOST_LONG_LONG_FORMAT): New macro.  Use it throughout.
        * config/i386/xm-mingw32.h (HOST_LONG_LONG_FORMAT): Define.
        * doc/hostconfig.texi (HOST_LONG_LONG_FORMAT): Document.

2004-11-24  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/i386/i386.c (override_options): Move
        SUBTARGET_OVERRIDE_OPTIONS before defaulting
        flag_omit_frame_pointer.

2004-11-23  Richard Henderson  <rth@redhat.com>

        * rtl.h (validate_subreg): Declare.
        * emit-rtl.c (validate_subreg): New.
        (gen_rtx_SUBREG): Use it.
        * simplify-rtx.c (simplify_subreg): Likewise.
        (simplify_gen_subreg): Likewise.  Remove duplicate asserts.
        * expr.c (emit_move_insn_1): Tidy complex move code.  Use memory
        fallback whenever gen_realpart/gen_imagpart would not be able to
        create SUBREGs.

2004-11-23  Richard Henderson  <rth@redhat.com>

        * expmed.c (extract_bit_field): Use simplify_gen_subreg instead of
        hard-coding avoiding calls to gen_rtx_SUBREG.  Split complex return
        modes to CONCAT.

2004-11-23  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/18618
        * tree-into-ssa.c (DEF_VEC_MALLOC_P(basic_block)): Declare.
        (insert_phi_nodes_for): Change third argument to VEC(basic_block).
        * tree-ssa-dom.c (avail_exprs_stack): Change type to VEC(tree_on_heap).
        Update all users.
        (stmts_to_rescan): Likewise.
        (const_and_copies_stack): Likewise.
        (nonzero_vars_stack): Likewise.
        (vrp_variables_stack): Likewise.

2004-11-23  Richard Henderson  <rth@redhat.com>

        * cse.c (record_jump_cond_subreg): New.
        (record_jump_cond): Use it instead of gen_lowpart.

2004-11-23  Daniel Jacobowitz  <dan@codesourcery.com>
            Joseph Myers  <joseph@codesourcery.com>

        * config/sol2-c.c (solaris_register_pragmas): Use
        c_register_pragma_with_expansion.
        * config/sol2.h (HANDLE_PRAGMA_PACK_WITH_EXPANSION): Define.
        * c-pragma.c (c_register_pragma): Update call to
        cpp_register_pragma.
        (c_register_pragma_with_expansion): New function.
        (init_pragma): Honor HANDLE_PRAGMA_PACK_WITH_EXPANSION.
        * c-pragma.h (c_register_pragma_with_expansion): New prototype.
        * doc/extend.texi (Solaris Pragmas): Mention macro expansion for
        #pragma align.
        * doc/tm.texi (c_register_pragma_with_expansion,
        HANDLE_PRAGMA_PACK_WITH_EXPANSION): Document.

2004-11-23  Richard Henderson  <rth@redhat.com>

        * combine.c (gen_lowpart_for_combine): Factor out mode of x as well
        as mode sizes into local temporaries.  Unify failure path.

2004-11-23  Richard Henderson  <rth@redhat.com>

        * emit-rtl.c, rtl.h (subreg_hard_regno): Remove.
        * caller-save.c (mark_set_regs): Use subreg_regno instead.
        * final.c (alter_subreg): Likewise.
        * local-alloc.c (reg_is_born): Likewise.

2004-11-23  Richard Henderson  <rth@redhat.com>

        * simplify-rtx.c (simplify_subreg): Use subreg_regno_offset directly
        instead of using a SUBREG temporary.

2004-11-23  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (tree_forwarder_block_p): Speed up by reordering
        two checks.

2004-11-23  Zack Weinberg  <zack@codesourcery.com>

        * function.h (struct function): Remove calls_longjmp.
        (current_function_calls_longjmp): Delete.
        * tree.h (ECF_LONGJMP): Delete.
        (ECF_SIBCALL, ECF_PURE, ECF_SP_DEPRESSED, ECF_ALWAYS_RETURN)
        (ECF_LIBCALL_BLOCK): Everybody slide down one.
        (ECF_CONST, ECF_NORETURN, ECF_SIBCALL): Clarify comments.
        * builtins.c (expand_builtin_longjmp): Don't set
        current_function_calls_longjmp.
        * calls.c (special_function_p): Mark longjmp and siglongjmp
        with ECF_NORETURN, not ECF_LONGJMP.
        (emit_call_1, expand_call, emit_library_call_value_1):
        Don't check for ECF_LONGJMP.
        * tree-cfg.c (make_exit_edges, is_ctrl_altering_stmt)
        (need_fake_edge_p): Likewise.

        * config/avr/avr.h, config/ip2k/ip2k.h: Don't define NON_SAVING_SETJMP.
        * system.h: Poison NON_SAVING_SETJMP.
        * function.c (use_register_for_decl)
        * gcse.c (compute_hash_table_work, compute_store_table)
        * postreload-gcse.c (record_opr_changes)
        * reload.c (find_equiv_reg)
        * reload1.c (reload)
        * config/i386/i386.c (ix86_can_use_return_insn_p):
        Remove code conditional on NON_SAVING_SETJMP.
        * doc/tm.texi: Delete documentation of NON_SAVING_SETJMP.

        * config/i386/sysv3.h: Delete file.
        * config/i386/i386.c (ix86_svr3_asm_out_constructor): Delete.

2004-11-23  Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vectorizer.c (vect_analyze_operations): Don't vectorize if
        the vectorization factor is greater than the iteration count.
        (vect_gen_niters_for_prolog_loop): No need to calculate min if the
        iteration count is known.

        (vect_build_symbol_bound): Removed. Its functionality moved to
        vect_generate_tmps_on_preheader.
        (vect_generate_tmps_on_preheader): Moved content of
        vect_build_symbol_bound here instead of calling it.  Changed some
        variables names.

        (vect_build_loop_niters): We don't expect a new_bb to be generated -
        use gcc_assert.
        (vect_gen_niters_for_prolog_loop): Likewise.
        (vect_gen_niters_for_prolog_loo): Likewise.

        (slpeel_make_loop_iterate_ntimes): Use buildN instead of build.
        (slpeel_add_loop_guard): Likewise.
        (slpeel_tree_peel_loop_to_edge): Likewise.
        (vect_do_peeling_for_alignment): Likewise.

        (vect_get_first_index): Missing space.

2004-11-23  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md ("*iordi3"): Mark commutative.
        ("*iorsi3_zarch", "*iorsi3_esa"): Likewise.

2004-11-23  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-phinode.c (resize_phi_node): Abort when LEN is strictly
        greater than PHI_ARG_CAPACITY.
        (reserve_phi_args_for_new_edge): Initialize the new PHI
        argument to NULL_TREE.  Increment PHI_NUM_ARGS.
        (add_phi_arg): Add a PHI argument to the slot given by
        E->dest_idx.
        (remove_phi_arg_num): Do not write to PHI_ARG_EDGE.
        * tree-flow-inline (phi_arg_from_edge): Return E->dest_idx.
        * tree-ssa.c (ssa_redirect_edge): Check for a missing PHI
        argument by looking at PHI_ARG_DEF.
        (verify_phi_args): Check for a missing PHI argument.  Remove
        the check for duplicate PHI arguments.
        * tree.h (PHI_ARG_EDGE): Redefine in terms of EDGE_PRED.
        (phi_arg_d): Remove e.

        * tree-cfg.c (tree_try_redirect_by_replacing_jump): Speed up
        by restricting to the case with two outgoing edges.

2004-11-23  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (s390_backchain_string): Removed.
        (s390_return_addr_rtx, s390_back_chain_rtx, s390_frame_info)
        (s390_emit_prologue, s390_va_start, s390_gimplify_va_arg):
        Changed users of TARGET_BACKCHAIN, TARGET_NO_BACKCHAIN and
        TARGET_KERNEL_BACKCHAIN to reflect the new options.
        * config/s390/s390.h (MASK_BACKCHAIN, MASK_PACKED_STACK): New macros.
        (TARGET_KERNEL_BACKCHAIN): Removed.
        (TARGET_BACKCHAIN): Former triple state option change to a target flag.
        (TARGET_PACKED_STACK): New macro.
        (TARGET_SWITCHES): New switches added.
        (TARGET_OPTIONS): "backchain", "no-backchain" and "kernel-backchain"
        removed.
        (DYNAMIC_CHAIN_ADDRESS): Use TARGET_PACKED_STACK.
        * config/s390/s390.md ("allocate_stack", "restore_stack_block")
        ("save_stack_nonlocal", "restore_stack_nonlocal"): Modified to reflect
        the change in target switch semantics.
        * config/s390/tpf.h (TARGET_DEFAULT_BACKCHAIN): Removed.
        (TARGET_DEFAULT): MASK_BACKCHAIN added.
        * doc/invoke.texi: Added documentation for the new/changed options.

2004-11-23  Uros Bizjak  <uros@kss-loka.si>

        PR rtl-optimization/18614
        * simplify-rtx.c (simplify_binary_operation): Do not
        simplify inner elements of constant arguments of
        VEC_CONCAT insn.

2004-11-23  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * gthr-solaris.h (__gthread_recursive_mutex_init_function): Use
        0 instead of NULL.

2004-11-23  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-phinode.c (make_phi_node): Use a new variable,
        capacity, to receive the return value of ideal_phi_node_len.

2004-11-23  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * gthr-solaris.h (__gthread_recursive_mutex_t): New type.
        (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
        __gthread_recursive_mutex_init_function.
        (__gthread_key_create): Properly cast -1.
        (__gthread_recursive_mutex_init_function): New function.
        (__gthread_recursive_mutex_lock): Rewrite.
        (__gthread_recursive_mutex_trylock): Likewise.
        (__gthread_recursive_mutex_unlock): Likewise.

2004-11-23  Ralf Corsepius <ralf.corsepius@rtems.org>

        * config/c4x/t-rtems: New.
        * config.gcc: Reflect having added c4x/t-rtems.

2004-11-23  Dorit Naishlos <dorit@il.ibm.com>

        PR tree-opt/18403
        PR tree-opt/18505
        * tree-vectorizer.c (vect_create_data_ref_ptr): Use
        lang_hooks.types.type_for_size instead of integer_type_node for the
        type of ptr_update.

2004-11-23  Ralf Corsepius <ralf.corsepius@rtems.org>

        * config.gcc (h8300-*-rtems*): Use h8300/t-rtems.

2004-11-23  Ralf Corsepius <ralf.corsepius@rtems.org>

        * config/arm/t-rtems: New.
        * config.gcc: Reflect having added arm/t-rtems.

2004-11-23  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (tree_execute_on_growing_pred): New.
        (tree_cfg_hooks): Add tree_execute_on_growing_pred.
        * tree-flow.h: Add a prototype for
        reserve_phi_args_for_new_edge.
        * tree-phinodes.c (reserve_phi_args_for_new_edge): New.
        (add_phi_arg): Don't resize a PHI array.

2004-11-23  Ralf Corsepius <ralf.corsepius@rtems.org>

        * config.gcc: Add avr-*-rtems*.
        * config/avr/t-rtems: New.
        * config/avr/rtems.h: New.

2004-11-22  Daniel Berlin  <dberlin@dberlin.org>

        * df.c (dataflow_set_a_op_b): Remove reslt parameter, since it's
        always the same as op1.  Use bitmap_ior_into and bitmap_and_into.
        Add comment to function.

2004-11-22  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR pch/14940
        * config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for __hppa__.

        PR rtl-optimization/14838
        * emit-rtl.c (get_first_nonnote_insn): Don't assume first insn is a
        note.
        (get_last_nonnote_insn): Don't assume last insn is a note.

2004-11-22  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (nondestructive_fold_binary_to_constant): Rename
        to fold_binary_to_constant.
        (nondestructive_fold_unary_to_constant): Likewise, rename to
        fold_unary_to_constant.
        (fold_relational_hi_lo): Update call to fold_binary_to_constant.
        * tree.h (nondestructive_fold_binary_to_constant): Update prototype.
        (nondestructive_fold_unary_to_constant): Likewise.
        * tree-ssa-ccp.c (ccp_fold): Update calls to fold_unary_to_constant
        and fold_binary_to_constant.
        * tree-ssa-loop-niter.c (EXEC_BINARY, EXEC_UNARY): Delete macros.
        (inverse, number_of_iterations_cond): Replace uses of EXEC_BINARY
        and EXEC_UNARY with calls to fold_*nary_to_constant.
        * tree-ssa-loop-ivopts.c (EXEC_BINARY, EXEC_UNARY): Delete macros.
        (idx_find_step): Replace uses of EXEC_BINARY with calls to
        fold_binary_to_constant.

2004-11-22  Nick Clifton  <nickc@redhat.com>

        * sbitmap.c (sbitmap_union_of_preds): Remove redundant
        initialisation of 'e'.

2004-11-22  Roger Sayle  <roger@eyesopen.com>

        * config/i386/i386.h (TARGET_USE_FANCY_MATH_387): New macro.
        * config/i386/i386.c (override_options):  Set MASK_NO_FANCY_MATH_387
        automatically for targets without TARGET_80387.
        * config/i386/i386.md (sqrtsf2, sqrtsf2_1, sqrtsf2_i387, sqrtdf2,
        sqrtdf2_1, sqrtdf2_i387, *sqrtextendsfdf2, sqrtxf2,
        *sqrtextenddfxf2, *sqrtextendsfxf2, fpremxf4, fmodsf3, fmoddf3,
        fmodxf3, fprem1xf4, dremsf3, dremdf3, dremxf3, *sindf2, *sinsf2,
        *sinextendsfdf2, *sinxf2, *cosdf2, *cossf2, *cosextendsfdf2,
        *cosxf2, sincosdf3, sincossf3, *sincosextendsfdf3, sincosxf3,
        *tandf3_1, tandf2, *tansf3_1, tansf2, *tanxf3_1, tanxf2,
        atan2df3_1, atan2df3, atandf2, atan2sf3_1, atan2sf3, atansf2,
        atan2xf3_1, atan2xf3, atanxf2, asindf2, asinsf2, asinxf2,
        acosdf2, acossf2, acosxf2, fyl2x_xf3, logsf2, logdf2, logxf2,
        log10sf2, log10df2, log10xf2, log2sf2, log2df2, log2xf2,
        fyl2xp1_xf3, log1psf2, log1pdf2, log1pxf2, *fxtractxf3, logbsf2,
        logbdf2, logbxf2, ilogbsi2, *f2xm1xf2, *fscalexf4, expsf2,
        expdf2, expxf2, exp10sf2, exp10df2, exp10xf2, exp2sf2, exp2df2,
        exp2xf2, expm1df2, expm1sf2, expm1xf2, frndintxf2, rintdf2,
        rintsf2, rintxf2, frndintxf2_floor, floordf2, floorsf2,
        floorxf2, frndintxf2_ceil, ceildf2, ceilsf2, ceilxf2,
        frndintxf2_trunc, btruncdf2, btruncsf2, btruncxf2,
        frndintxf2_mask_pm, nearbyintdf2, nearbyintsf2, nearbyintxf2):
        Simplify conditionals using TARGET_USE_FANCY_MATH_387.

2004-11-22  Dale Johannesen  <dalej@apple.com>

        * config/darwin.h (JUMP_TABLES_IN_TEXT_SECTION):  Conditionalize
        properly and comment.

2004-11-22  James A. Morrison  <phython@gcc.gnu.org

        * config/sparc/sparc.c: Include insn-codes.h and langhooks.h.
        (sparc_init_builtins): New function.
        (sparc_init_vis_builtins): Create builtin functions for VIS
        instructions.
        (sparc_expand_builtin): Expand builtin functions for VIS instructions.
        (TARGET_INIT_BUILTINS): Define to sparc_init_builtins.
        (TARGET_EXPAND_BUILTIN): Define to sparc_expand_builtin.
        (def_builtin): New macro for creating builtin functions.
        (P): New mode macro for pointer types.
        (UNSPEC_FPACK16, UNSPEC_FPACK32, UNSPEC_FPACKFIX, UNSPEC_FEXPAND,
        UNSPEC_FPMERGE, UNSPEC_MUL16AL, UNSPEC_MUL8UL, UNSPEC_MULDUL,
        UNSPEC_ALIGNDATA, UNSPEC_ALIGNADDR, UNSPEC_PDIST): New constants.
        (fpack16_vis, fpackfix_vis, fpack32_vis, fexpand_vis, fpmerge_vis,
        fmul8x16_vis, fmul8x16au_vis, fmul8x16al_vis, fmul8sux16_vis,
        fmul8ulx16_vis, fmuld8sux16_vis, fmuld8ulx16_vis, pdist_vis,
        faligndata<V64:mode>_vis, alignaddr<P:mode>_vis): New patterns.

2004-11-22  Devang Patel  <dpatel@apple.com>

        * tree-if-conv.c (clean_predicate_lists): Clean all basic blocks.

2004-11-22  Devang Patel  <dpatel@apple.com>

        * tree-if-conv.c (if_convertable_phi_p): Rename to ...
        (if_convertible_phi_p): ... new name.
        (if_convertable_modify_expr_p): Rename to ...
        (if_convertible_modify_expr_p): ... new name.
        (if_convertable_stmt_p): Rename to ...
        (if_convertible_stmt_p): ... new name.
        (if_convertable_bb_p): Rename to ...
        (if_convertible_bb_p): ... new name.
        (if_convertable_loop_p): Rename to ...
        (if_convertible_loop_p): ... new name.

2004-11-22  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/18444
        * configure.ac (threading): Accept 'posix95'.
        * configure: Regenerate.
        * config.gcc (i[34567]86-*-solaris2*): On Solaris up to 2.6,
        include sol26.h and default to posix95 threads if have_pthread_h.
        (sparc-*-solaris2*): Likewise.
        * gthr.h: Include gthr-posix95.h if _PTHREADS95 is defined.
        * gthr-posix95.h: New file.
        * config/sol26.h: New file.
        * doc/install.texi (--enable-threads): Document 'posix95'.

2004-11-23  Ben Elliston  <bje@au.ibm.com>

        * pointer-set.h (pointer_set_contains): Remove.
        * pointer-set.c (pointer_set_contains): Likewise.

2004-11-22  Dale Johannesen  <dalej@apple.com>

        * calls.c (expand_call): Do not call preserve_temp_slots.

2004-11-22  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-flow.h: Remove the prototype for remove_phi_arg.
        Add a prototype for remove_phi_args.
        * tree-phinodes.c (remove_phi_arg): Remove.
        (remove_phi_args): New.
        * tree-ssa.c (ssa_remove_edge): Call remove_phi_args instead
        of remove_phi_arg.

        * cfg.c (unchecked_make_edge): Call execute_on_growing_pred
        after making an edge.
        (remove_edge): Call execute_on_shrinking_pred before removing
        an edge.
        (redirect_edge_succ): Call execute_on_growing_pred and
        execute_on_shrinking_pred.
        * cfghooks.c (execute_on_growing_pred): New.
        (execute_on_shrinking_pred): Likewise.
        * cfghooks.h (cfg_hooks): Add execute_on_growing_pred and
        execute_on_shrinking_pred.
        Add prototypes for execute_on_growing_pred and
        execute_on_shrinking_pred.
        * cfgrtl.c (rtl_cfg_hooks): Add NULL hooks to
        execute_on_growing_pred and execute_on_shrinking_pred.
        (cfg_layout_rtl_cfg_hook): Likewise.
        * tree-cfg.c (tree_cfg_hooks): Likewise.

        * tree-cfg.c (tree_execute_on_shrinking_pred): New.
        (tree_cfg_hooks): Use it.
        * tree-ssa.c (ssa_remove_edge): Don't call remove_phi_args.
        (ssa_redirect_edge): Don't call remove_phi_arg_num.

        * tree-phinodes.c (remove_phi_arg_num): Make it static.
        * tree-flow.h: Remove the corresponding prototype.

        * tree-ssa.c (ssa_remove_edge): Remove.
        * tree-flow.h: Remove the corresponding prototype.
        * tree-cfg.c: Replace ssa_remove_edge with remove_edge.
        * basic-block.h: Likewise.
        * tree-if-conv.c: Likewise.
        * tree-ssa-threadupdate.c: Likewise.

2004-11-23  Ben Elliston  <bje@au.ibm.com>

        * doc/cfg.texi (Maintaining the CFG): Use @ftable instead of
        @table to list the BSI methods.  Use individual @findex directives
        instead of one with a comma-separated list of index entries.

2004-11-22  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/18529
        * fold-const.c (fold_to_nonsharp_ineq_using_bound): New function.
        (simple_operand_p): Use STRIP_NOPS.  Consider SSA names simple.
        (fold): Call fold_to_nonsharp_ineq_using_bound.
        * tree-ssa-loop-niter.c (simplify_replace_tree): New function.
        (number_of_iterations_cond): Fold the expressions before futher
        processing.
        (tree_simplify_using_condition): Handle case when cond or expr is
        an EQ_EXPR specially.

2004-11-22 Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa.c (verify_ssa): SSA_OP_ALL_USES should be
        SSA_OP_ALL_USES | SSA_OP_ALL_KILLS for verification purposes.

2004-11-22  David Edelsohn  <edelsohn@gnu.org>
            Fariborz Jahanian  <fjahanian@apple.com>

        * config/rs6000/rs6000.c (rs6000_return_in_memory): Test
        TARGET_ALTIVEC_ABI.
        (function_arg_boundary): Align 8 to 16 byte vectors like SPE.
        Align 16 byte and larger vectors like Altivec.
        (function_arg_advance): Pass any 16 byte vector like Altivec vector.
        (function_arg): Same.
        (rs6000_pass_by_references): Test TARGET_ALTIVEC_ABI.

2004-11-22  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/18572
        * tree-sra.c (scalarize_init): Unshare the rhs before gimplifying
        it.

2004-11-22  Richard Henderson  <rth@redhat.com>

        * function.c (assign_parm_setup_block): Revert 11-13 change to
        forcably re-mode a (possibly BLKmode) hard register.

2004-11-22  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (mem_min_alignment): Check MEM_ALIGN.

2004-11-22  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/power4.md: Remove delay between dispatch and issue
        associated with dispatch group slots 3 and 4.
        * config/rs6000/power5.md: Same.

2004-11-21  Jeff Law  <law@redhat.com>

        * cfg.c (cached_make_edge): Use find_edge rather than an inlined
        variant.
        * cfgbuild.c (make_edges): Likewise.
        * cfghooks.c (can_duplicate_block_p): Likewise.
        * cfgloop.c (loop_latch_edge): Likewise.
        * cfgloopmanip.c (force_single_succ_latches): Likewise.
        * cfgrtl.c (rtl_flow_call_edges_add): Likewise.
        * predict.c (predict_loops, propagate_freq): Likewise.
        * tracer.c (tail_duplicate): Likewise.
        * tree-cfg.c (disband_implicit_edges): Likewise.
        (tree_forwarder_block_p, tree_flow_call_edges_add): Likewise.

2004-11-22  Nick Clifton  <nickc@redhat.com>

        * sbitmap.c (sbitmap_union_of_preds): Remove redundant
        initialisation of 'e'.

2004-11-22  Kazu Hirata  <kazu@cs.umass.edu>

        PR rtl-optimization/18599
        * regrename.c (copyprop_hardreg_forward): Speed up by putting
        BB_VISITED flags on basic blocks as we process them.

2004-11-22  Nathan Sidwell  <nathan@codesourcery.com>

        PR target/18531
        * config/rs6000/altivec.md (VI_char): New mode attribute.
        (addv16qi3, addv8hi3, addv4ai3): Replace with ...
        (add<mode>3): ... this.
        (subv16qi3, subv8hi3, subv4ai3): Replace with ...
        (sub<mode>3): ... this.
        (smaxv16qi3, smaxv8hi3, smaxv4ai3): Replace with ...
        (smax<mode>3): ... this.
        (sminv16qi3, sminv8hi3, sminv4ai3): Replace with ...
        (smin<mode>3): ... this.
        (umaxv16qi3, umaxv8hi3, umaxv4ai3): Replace with ...
        (umax<mode>3): ... this.
        (uminv16qi3, uminv8hi3, uminv4ai3): Replace with ...
        (umin<mode>3): ... this.
        (andv16qi3, andv8hi3, andv4ai3): Replace with ...
        (and<mode>3): ... this.
        (iorv16qi3, iorv8hi3, iorv4ai3): Replace with ...
        (ior<mode>3): ... this.
        (xorv16qi3, xorv8hi3, xorv4ai3): Replace with ...
        (xor<mode>3): ... this.
        (andv16qi3, andv8hi3, andv4ai3): Replace with ...
        (and<mode>3): ... this.
        (iorv16qi3, iorv8hi3, iorv4ai3): Replace with ...
        (ior<mode>3): ... this.
        (altivec_vnor): Replace with ...
        (altivec_nor<mode>): ... this.
        (one_cmplv16qi2, one_cmplv8hi2, one_complv4ai2): Replace with ...
        (one_cmpl<mode>2): ... this.
        (altivec_vandc): New expander.
        (*andc<mode>3): New insn.
        * config/rs6000/rs6000.c (bdesc_2arg): Adjust for new insn names.

2004-11-22  Dorit Naishlos  <dorit@il.ibm.com>

        PR tree-opt/18536
        * tree-vectorizer.c (make_loop_iterate_ntimes): Use type of niters when
        creating iv instead of integer_type.
        (vect_build_loop_niters): Remove redundant code.
        (vect_transform_loop_bound): Removed (duplicates functionality of
        make_loop_iterate_ntimes.
        (vect_gen_niters_for_prolog_loop): Add documentation. Call
        lang_hooks.types.type_for_size to create a type of the required size.
        Use that type instead of integer_type. Remove redundant code.
        (vect_update_niters_after_peeling): Use type of niters instead of
        integer_type.
        (vect_transform_loop): Unify handling of known and unknown loop bound
        cases. Call make_loop_iterate_ntimes instead of
        vect_transform_loop_bound.

2004-11-22  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/18217
        * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Move darwin-fallback.c to
        (LIB2ADDEH): Here.

2004-11-22  Dorit Naishlos  <dorit@il.ibm.com>

        PR tree-opt/18544
        * tree-vectorizer.c (vect_analyze_data_refs): Fail if memtag not found.

2004-11-22 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>

        * config.gcc: Use t-slibgcc-elf to build libgcc_s.so on
        m32r*linux.
        * config/m32r/t-linux (SHLIB_MAPFILES): Override to use
        m32r/libgcc-glibc.ver.
        * config/m32r/libgcc-glibc.ver: Add New file.

2004-11-22  Nathan Sidwell  <nathan@codesourcery.com>

        * bitmap.h (struct bitmap_obstack): New obstack type.
        (struct bitmap_head_def): Replace using_obstack with obstack
        pointer.
        (bitmap_default_obstack): New.
        (bitmap_initialize): Make inline, does not do allocation.
        (bitmap_release_memory): Remove.
        (bitmap_obstack_initialize, bitmap_obstack_release): Declare.
        (bitmap_obstack_alloc, bitmap_malloc_alloc, bitmap_gc_alloc,
        bitmap_obstack_free, bitmap_malloc_free): Declare.
        (BITMAP_OBSTACK_ALLOC, BITMAP_GGC_ALLOC, BITMAP_XMALLOC): Adjust.
        (BITMAP_FREE): Replace with ...
        (BITMAP_OBSTACK_FREE): ... this.
        (BITMAP_XFREE): Adjust.
        (BITMAP_INIT_ONCE): Remove.
        * bitmap.c (bitmap_obstack, bitmap_obstack_init, bitmap_free: Remove.
        (bitmap_default_obstack): New.
        (bitmap_elem_to_freelist): Adjust.
        (bitmap_element_allocate): Adjust. Break initialization into ...
        (bitmap_obstack_initialize): ... here.
        (bitmap_release_memory): Replace with ...
        (bitmap_obstack_release): ... this.
        (bitmap_obstack_alloc, bitmap_malloc_alloc, bitmap_gc_alloc,
        bitmap_obstack_free, bitmap_malloc_free): New.
        (bitmap_ior_and_compl, bitmap_ior_and_compl_into): Use
        bitmap_initialize.
        (bitmap_initialize): Move to bitmap.h.
        * gengtype.c (open_base_files): Add obstack.h to ifiles.
        * Makefile.in (BASIC_BLOCK_H, REGS_H): Add obstack.h.
        * basic-block.h (INIT_REG_SET): Allocate from reg_obstack.
        (INITIALIZE_REG_SET): Remove.
        (FREE_REG_SET): Use BITMAP_OBSTACK_FREE.
        (INIT_ONCE_REG_SET, MAX_REGNO_REG_SET): Remove.
        (flow_obstack): Do not declare.
        (reg_obstack): Declare.
        * regs.h: Include obstack.h.
        * tree-optimize.c (tree_rest_of_compilation): Initialize and
        release bitmap obstack here.
        * bb-reorder.c: #include regs, not basic-block.
        (fix_crossing_conditional_branches): Allocate regsets from
        reg_obstack.
        * bt-load.c: Do not inlude bitmap.h, sbitmap.h, basic-block.h or
        obstack.h.
        * caller-save.c: Include regs.h earlier.
        * cfg.c: Do not include basic-block.h or obstack.h.
        (reg_obstack): Define.
        * cfganal.c: Include obstack.h
        * cfgcleanyp.c: Do not include basic-block.h. Include regs.h
        earlier.
        * cfglayout.c: Do not include obstack.h.
        (flow_obstack): Remove declaration.
        (cfg_layout_duplicate_bb): Use reg_obstack.
        * cfgloop.c, cfgloopanal.c, cfgloopmanip.c: Include obstack.h.
        * cfgrtl.c (rtl_split_block): Use reg_obstack.
        (force_nonfallthru_and_redirect, rtl_split_edge): Likewise.
        (safe_insert_insn_on_edge): Use OBSTACK_ALLOC_REG_SET, adjust.
        (cfg_layout_split_edge): Use reg_obstack.
        * cse.c: Include regs.h earlier.
        * ddg.c: Do not include basic-block.h.
        * dominance.c: Inlude obstack.h.
        * flow.c (update_life_info): Use OBSTACK_ALLOC_REG_SET, adjust.
        (calculate_global_regs_live): Likewise.
        (allocate_bb_life_data): Use reg_obstack.
        (init_propagate_block_info): Use OBSTACK_ALLOC_REGSET.
        * global.c: Do not include basic-block.h.
        (build_insn_chain): Use OBSTACK_ALLOC_REG_SET, adjust.
        * graph.c: Include obstack.h.
        * haifa-sched.c: Do not include basic-block.h.
        * ifcvt.c: Use OBSTACK_ALLOC_REG_SET, adjust.
        * local-alloc.c: Do not include basic-block.h.
        * loop-init.c, loop-invariant.c: Include obstack.h.
        * loop-iv.c: Likewise.
        (simplify_using_initial_values): Use OBSTACK_ALLOC_REG_SET,
        adjust.
        * loop-unroll.c, loop-unswitch.c: Inlude obstack.h.
        * modulo-sched.c: Do not include basic-block.h.
        * passes.c (rest_of_handle_final): Do not call
        regset_release_memory.
        * ra-debug.c: Include regs.h earlier. Do not include
        basic-block.h.
        * recog.c (peephole2_optimize): Use OBSTACK_ALLOC_REG_SET, adjust.
        * regclass.c (init_reg_sets): Do not call INIT_ONCE_REG_SET.
        (allocate_reg_info): Do not call MAX_REGNO_REG_SET.
        (regset_release_memory): Remove.
        * resource.c: Do not include basic-block.h.
        * rtlanal.c: Do not include basic-block.h.
        * sbitmap.c: Include obstack.h.
        * sched-deps.c: Do not include basic-block.h.
        (reg_pending_sets_head, reg_pending_clobbers_head,
        reg_pending_uses_head): Remove.
        (init_deps_global): Use OBSTACK_ALLOC_REG_SET.
        * sched-ebb.c: Do not include basic-block.h.
        * sched-rgn.c: Likewise.
        * tree-if-conv.c (get_loop_body_in_if_conv_order): Use
        BITMAP_XFREE.
        * tree-outof-ssa.c (perform_edge_inserts): Use BITMAP_XFREE.
        * tree-sra.c (decide_instantiations): Adjust bitmap
        initialization.
        * tree-ssa-dce.c: Include obstack.h.
        * tree-ssa-pre.c (grand_bitmap_obstack): Make a bitmap_obstack.
        (value_insert_into_set_bitmap): Remove useless bitmap_clear.
        (bitmap_set_new): Likewise.
        (init_pre): Initialize bitmap obstack.
        (fini_pre): Release bitmap obstack.
        * tree-ssanames.c (ssa_names_to_rewrite): Make static.
        (marked_for_rewrite_p): ssa_names_to_rewrite is never NULL.
        (mark_for_rewrite, unmark_for_rewrite): Likewise.
        (marked_ssa_names): Likewise.
        (init_ssanames): Use BITMAP_XMALLOC.
        (fini_ssanames): Use BITMAP_XFREE.
        * web.c: Include obstack.h

2004-11-22  Nick Clifton  <nickc@redhat.com>

        * sbitmap.c (sbitmap_union_of_preds): Set 'e' to the next edge
        predecessor in the first for-loop.

2004-11-21  Stan Shebs  <shebs@apple.com>

        * config/rs6000/rs6000.c: (rs6000_darwin64_function_arg): Add
        UNION_TYPE case.
        (function_arg): Move darwin test up, sniff mode first for
        efficiency, test for union type.

2004-11-21  Dale Johannesen  <dalej@apple.com>

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

2004-11-21  Jeff Law  <law@redhat.com>

        * tree-ssa.c (verify_use): Fix comment.
        (verify_phi_args): Check that the number of incoming edges matches
        the number of PHI arguments.  Check that each PHI argument is
        either an SSA_NAME or an invariant.  Coalesce tests for PHIs for
        dead or duplicated edges.  Clear e->aux earlier and avoid separate
        loop to clear e->aux and test for missed edges.
        (verify_ssa): Remove first walk over statements.  Move checking
        of PHI args into verify_phi_args.  Move checking of statements
        with aliased stores and V_MAY_DEFS into the remaining loop over
        the statements.  Register defs by walking through the formal
        SSA_NAME table.

2004-11-21  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/18520
        * dojump.c (compare_from_rtx): Clarify mode argument in function
        description.  Correct order of mode/cmp_mode arguments in call to
        simplify_relational_operation.  Check "tem" for COMPARISON_P.

2004-11-21  Paolo Bonzini  <bonzini@gnu.org>
            David Edelsohn  <edelsohn@gnu.org>

        PR target/17836
        * config/rs6000/rs6000.c (rs6000_return_in_memory): Return
        synthetic vectors in memory.
        (function_arg_boundary): Align large synthetic vectors.
        (rs6000_pass_by_reference): Pass synthetic vectors in memory.

2004-11-21  Jeff Law  <law@redhat.com>

        * cfg.c (update_bb_profile_for_threading): Do not rescale the
        successor probabilities if they are not going to change.  Pull
        division out of loop if we do need to rescale successor probabilities.

        * tree-ssa-threadupdate.c (redirection_data_hash): Use the
        index of the destination block for the hash value rather than
        hashing a pointer.

2004-11-20  Joseph S. Myers  <joseph@codesourcery.com>

        * c-typeck.c (build_array_ref): Don't check for index == 0.  Make
        checks for neither argument being an array or pointer (swapping
        the arguments if necessary), the array argument being a pointer to
        or array of functions and for -Wchar-subscripts warnings upfront.

2004-11-20  Jeff Law  <law@redhat.com>

        * regrename.c (copyprop_hardreg_forward): Only search for a
        previously processed block if the current block only has one
        predecessor.

2004-11-20  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-threadupdate.c, tree-vectorizer.c: Fix comment
        typos.
        * config/arm/arm.c: Follow spelling conventions.

2004-11-20  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_override_options): Use arm_ld_sched rather than testing
        a bit in tune_flags.
        (const_double_needs_minipool): Likewise.  Split most of the code out
        into ...
        (arm_const_double_inline_cost): ... new function here.
        * arm-protos.h (arm_const_double_inline_cost): Add prototype.
        * arm.h (EXTRA_CONSTRAINT_STR_ARM): Add D[abc] constraints for double-
        word constants of length 2, 3 and 4 insns respectively.
        (CONSTRAINT_LEN): The 'D' prefix is a 2-letter constraint.
        * arm.md (arm_movdi, movdf_soft_insn): Add alternatives for D[abc]
        constraints.  Set insn lenghts accordingly.

2004-11-19  Jeff Law  <law@redhat.com>

        * tree-ssa-threadupdate.c: Replace REDIRECTION_DATA varray with
        a hash table.  Extensive modifications throughout to support
        that change.
        (struct el): New.
        (struct local_info): New.
        (struct redirection_data): Add new INCOMING_EDGES and DO_NOT_DUPLICATE
        fields.
        (redirection_data): Now a hashtable.
        (redirection_data_hash, redirection_data_eq): New.
        (lookup_redirection_data, create_duplicates): New.
        (create_edge_and_update_destionation_phis): New.
        (fixup_template_block, redirect_edges): New.
        (thread_block): Use hash table traversals instead of loops over
        varray entries or incoming edge vectors.

2004-11-19  Kazu Hirata  <kazu@cs.umass.edu>

        * basic-block.h (edge_def): Add dest_idx.
        * cfg.c (unchecked_make_edge): Initialize dest_idx.
        (remove_edge): Simplify the disconnection of an edge from its
        destination.
        (redirect_edge_succ): Likewise.
        * cfghooks.c (verify_flow_info): Check the consistency of
        dest_idx for each edge.

2004-11-19  Aldy Hernandez  <aldyh@redhat.com>

        * simplify-rtx.c (simplify_ternary_operation): Use
        gen_int_mode.

2004-11-19  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (reinstall_phi_args): New.
        (tree_split_edge): Use it after redirecting an edge.  Don't
        modify PHI_ARG_EDGE.

2004-11-19  Andreas Tobler  <a.tobler@schweiz.ch>

        * tree-vectorizer.c (slpeel_verify_cfg_after_peeling): Define only
        if checking is enabled.

2004-11-19  Joseph S. Myers  <joseph@codesourcery.com>

        * c-decl.c (push_scope): Remove "\n" from end of diagnostic for
        too many nested scopes.

2004-11-19  Dorit Naishlos  <dorit@il.ibm.com>

        PR tree-opt/18181
        * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Peeling scheme
        changed to suppoer uses-after-loop and to void creating flow paths
        that shouldn't exist.
        (slpeel_update_phi_nodes_for_guard): Takes additional two arguments.
        Modified to fit the new peeling scheme. Avoid quadratic behavior.
        (slpeel_add_loop_guard): Takes additional argument.
        (slpeel_verify_cfg_after_peeling): New function.
        (vect_update_ivs_after_vectorizer): Takes additional argument. Updated
        documentation. Use 'exit-bb' instead of creating 'new-bb'.
        (rename_variables_in_bb): Don't update phis for BBs out of loop, to fit
        the new peeling scheme.
        (copy_phi_nodes): Function removed. Its functionality moved to
        update_phis_for_duplicate_loop.
        (slpeel_update_phis_for_duplicate_loop): Functionality of copy_phi_nodes
        moved here. Added documentation. Modified to fit the new peeling scheme.
        (slpeel_make_loop_iterate_ntimes): Setting loop->single_exit not not
        needed - done in slpeel_tree_peel_loop_to_edge.
        (slpeel_tree_duplicate_loop_to_edge_cfg): Debug printouts compacted.
        (vect_do_peeling_for_loop_bound): Add documentation. Call
        slpeel_verify_cfg_after_peeling. Call vect_update_ivs_after_vectorizer
        with additional argument.
        (vect_do_peeling_for_alignment): Call slpeel_verify_cfg_after_peeling.

        (vect_finish_stmt_generation): Avoid 80 column oveflow.

2004-11-19  Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Last two
        arguments removed.
        (slpeel_tree_peel_loop_to_edge): Call slpeel_make_loop_iterate_ntimes
        without last two arguments. Update single_exit of loops.
        (vect_update_niters_after_peeling): Removed. Its functionality was
        moved to vect_do_peeling_for_alignment.
        (vect_do_peeling_for_loop_bound): New name for function previously
        called vect_transform_for_unknown_loop_bound.
        (vect_transform_loop_bound): Call slpeel_make_loop_iterate_ntimes
        instead of code that duplicates the same functionality.
        (vect_do_peeling_for_alignment): Functionality of
        vect_update_niters_after_peeling moved here.
        (vect_transform_loop): Unify call to vect_do_peeling_for_loop_bound -
        previously named vect_transform_for_unknown_loop_bound - for both known
        and unknown loop bound cases.

2004-11-19  Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vectorizer.c (slpeel_can_duplicate_loop_p): New name for function
        previously called verify_loop_for_duplication. All conditions compacted
        into one compound condition. Removed debug dumps.
        (vect_analyze_loop_with_symbolic_num_of_iters): Removed. Some of the
        functionality moved to vect_can_advance_ivs_p, and some to
        vect_analyze_loop_form.
        (vect_can_advance_ivs_p): New function. Contains functionality that was
        taken out of vect_analyze_loop_with_symbolic_num_of_iters.
        (slpeel_tree_peel_loop_to_edge): Call slpeel_can_duplicate_loop_p.
        (vect_analyze_operations): Call vect_can_advance_ivs_p and
        slpeel_can_duplicate_loop_p.
        (vect_get_loop_niters): Added documentation.
        (vect_analyze_loop_form): Check the loop entry always - not only in case
        of unknown loop bound. Create preheader and exit bb if necessary. Apply
        a check that used to take place in
        vect_analyze_loop_with_symbolic_num_of_iters.
        (vectorize_loops): Call verify_loop_closed_ssa under ENABLE_CHECKING.
        Remove redundant call to rewrite_into_loop_closed_ssa.
        (vect_compute_data_refs_alignment): Removed obsolete comment.

2004-11-19  Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): New name for
        function previously called tree_duplicate_loop_to_edge.
        (slpeel_tree_duplicate_loop_to_edge_cfg): New name for function
        previously called tree_duplicate_loop_to_edge_cfg.
        (slpeel_update_phis_for_duplicate_loop): Prefix 'slpeel' added to
        function name.
        (slpeel_update_phi_nodes_for_guard): Likewise.
        (slpeel_make_loop_iterate_ntimes): Likewise.
        (slpeel_add_loop_guard): Likewise.
        (allocate_new_names, free_new_names): Function declaration moved to top
        of file.
        (rename_use_op, rename_def_op): Likewise.
        (rename_variables_in_bb, rename_variables_in_loop): Likewise.
        (vect_generate_tmps_on_preheader): Function declaration moved.
        (vect_transform_for_unknown_loop_bound): Added missing function
        declaration.

2004-11-19  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/18507
        * tree-flow.h (tree_on_heap): Typedef because there is already a VEC(tree).
        Define a VEC(tree_on_heap) for head.
        (register_new_def): Change second argument to be a VEC(tree_on_heap).
        * tree-ssa-dom.c (block_defs_stack): Change to be a VEC(tree_on_heap).
        (tree_ssa_dominator_optimize): Initialize block_defs_stack with
        the VEC(tree_on_heap) function.  Also free it before returning.
        (dom_opt_initialize_block): Use VEC_safe_push instead of VARRAY_PUSH_TREE
        for block_defs_stack.
        (restore_currdefs_to_original_value): Use VEC_length instead of
        VARRAY_ACTIVE_SIZE. VEC_pop instead of VARRAY_TOP_TREE/VARRAY_POP.
        (dom_opt_finalize_block): Use VEC_safe_push instead of VARRAY_PUSH_TREE
        for block_defs_stack.
        * tree-into-ssa.c (block_defs_stack): Change to be a VEC(tree_on_heap).
        (rewrite_initialize_block): Use VEC_safe_push instead of VARRAY_PUSH_TREE
        for block_defs_stack.
        (ssa_register_new_def): Likewise.
        (ssa_rewrite_initialize_block): Likewise.
        (rewrite_finalize_block): Use VEC_length instead of
        VARRAY_ACTIVE_SIZE. VEC_pop instead of VARRAY_TOP_TREE/VARRAY_POP.
        (ssa_rewrite_finalize_block): Likewise.
        (register_new_def): Change second argument to be a VEC(tree_on_heap).
        Use VEC_safe_push instead of VARRAY_PUSH_TREE.
        (rewrite_blocks): Initialize block_defs_stack with
        the VEC(tree_on_heap) function.  Also free it before returning.
        (rewrite_ssa_into_ssa): Likewise.

2004-11-19  Fariborz Jahanian <fjahanian@apple.com>

        * config/darwin.c (machopic_data_defined_p): return 1 for
        MACHOPIC_DEFINED_FUNCTION.

2004-11-19  Jeff Law  <law@redhat.com>

        * tree-ssa.c (verify_ssa): Remove redundant checking of PHI
        arguments.

2004-11-19  Paul Brook  <paul@codesourcery.com>

        PR target/17735
        * varasm.c (default_assemble_integer): Allow pointer-sized values.
        Expand comment.

2004-11-19  Nick Clifton  <nickc@redhat.com>

        * config/stormy16/stormy16.c (combine_bnp): Add code to handle
        zero_extension and lshiftrt insns.
        Replace uses of XEXP(...) with either SET_DEST() or SET_SRC()
        where appropriate.
        * config/stormy16.stormy16.md (bclrx3, bsetx3): New patterns
        to handle bp and bn insn patterns with a zero_extend rtx
        inside them.

2004-11-19  Ian Lance Taylor  <ian@wasabisystems.com>

        * config/arm/arm.md (generic_sched): Make const.

2004-11-19  Kazu Hirata  <kazu@cs.umass.edu>

        * emit-rtl.c (classify_insn): Make it static.
        * rtl.h: Remove the corresponding prototype.

        * integrate.c (has_func_hard_reg_initial_val,
        get_func_hard_reg_initial_val): Make them static.
        * integrate.h: Remove the corresponding prototypes.

2004-11-19  Ben Elliston  <bje@au.ibm.com>

        * dwarf2asm.h (dw2_asm_output_pcel): Stub out with #if 0.
        (dw2_asm_output_delta_sleb128): Likewise.
        * dwarf2asm.c (dw2_asm_output_pcrel): Likewise.
        (dw2_asm_output_delta_sleb128): Likewise.

2004-11-19  Adam Nemet  <anemet@lnxw.com>

        * tree-ssa-alias.c: Fix comment.

2004-11-19  Kazu Hirata  <kazu@cs.umass.edu>

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

2004-11-19  Ben Elliston  <bje@au.ibm.com>

        * predict.h (predict_insn): Remove extern declaration.
        * predict.c (predict_insn): Make static.

2004-11-19  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (function_arg): Don't return BLKmode regs.

2004-11-18  Nicolas Pitre <nico@cam.org>

        * config/arm/arm.c (const_double_needs_minipool): New function to
        determine if a CONST_DOUBLE should be pushed to the minipool.
        (note_invalid_constants): Use it.

2004-11-18  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (target_float_switch): New variable..
        (arm_override_options): Use TARGET_DEFAULT_FLOAT_ABI and
        target_float_switch.
        * config/arm/arm.h (target_float_switch): Declare.
        (ARM_FLAG_SOFT_FLOAT): Remove.
        (TARGET_SWITCHES): Remove hard-float and soft-float.
        (TARGET_OPTIONS): Add hard-float and soft-float.
        (TARGET_DEFAULT_FLOAT_ABI): Define.
        * config/arm/coff.h (TARGET_DEFAULT_FLOAT_ABI): Define
        (TARGET_DEFAULT): Don't use ARM_FLAG_SOFT_FLOAT.
        * config/arm/elf.h: Don't use ARM_FLAG_SOFT_FLOAT.
        * config/arm/netbsd-elf.h: Ditto.
        * config/arm/netbsd.h: Ditto.
        * config/arm/pe.h: Ditto.
        * config/arm/unknown-elf.h: Ditto.
        * config/arm/wince-pe.h: Ditto.
        * config/arm/linux-elf.h (TARGET_DEFAULT_FLOAT_ABI): Define.
        * config/arm/semi.h (TARGET_DEFAULT_FLOAT_ABI): Define.
        * config/arm/semiaof.h (TARGET_DEFAULT_FLOAT_ABI): Define.

2004-11-18  Nathan Sidwell  <nathan@codesourcery.com>

        * config/rs6000/altivec.md (VI, VF, V): New mode macros.
        (altivec_lvx_4si, altivec_lvx_8hi, altivec_lvx_16qi,
        altivec_lvx_4sf): Rename and replace with ...
        (altivec_lvx_<mode>): ... mode macro version.
        (altivec_stvx_4si, altivec_stvx_8hi, altivec_stvx_16qi,
        altivec_stvx_4sf): Rename and replace with ...
        (altivec_stvx_<mode>): ... mode macro version.
        (movv4si, movv8hi, movv16qi, movv4sf}): Replace with ...
        (mov<mode>): ... mode macro version.
        (*movv4si_internal, *movv8hi_internal1, *movv16qi_internal1,
        *movv4sf_internal1): Replace with ...
        (*mov<mode>_internal): ... mode macro version.
        (get_vrsave_internal, *set_vrsave_internal, *save_world,
        *restore_world): Unquote output statements.
        * config/rs6000/rs6000.c (altivec_expand_ld_builtin,
        altivec_expand_st_builtin): Adjust insn names.

2004-11-18  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_complex_function_value): Revert
        previous change.
        (rs6000_override_options): Likewise.
        (spe_build_register_parallel): Handle complex doubles on e500v2.
        (rs6000_spe_function_arg): Likewise.
        (function_arg): Likewise.
        (rs6000_function_value): Likewise.
        (rs6000_libcall_value): Likewise.

2004-11-18  Andrew Pinski  <pinskia@physics.uc.edu>

        * ifcvt.c (find_if_block): Move the check for the number of edges
        above the loops checking for complex edges.
        Remove the counting of edges as we use EDGE_COUNT now.

2004-11-18  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.comn>

        * config/m32r/linux.h (TARGET_ASM_FILE_END): Set
        TARGET_ASM_FILE_END to file_end_indicate_exec_stack.3

2004-11-18  Andreas Schwab  <schwab@suse.de>

        * config/i386/i386.md (define_peephole2): Revert last change.

2004-11-18  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.comn>

        * config/m32r/linux.h (TARGET_ASM_FILE_END): Set
        TARGET_ASM_FILE_END to file_end_indicate_exec_stack.

2004-11-18  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-propagate.c (ssa_prop_init): Use FOR_ALL_BB instead
        of FOR_EACH_BB.

2004-11-18  Jon Grimm <jgrimm2@us.ibm.com>

        * Makefile.in (macro_list): Depend on s-macro_list.
        (s-macro_list): New target.

2004-11-18  Nathan Sidwell  <nathan@codesourcery.com>

        PR target/17107
        * fold-const.c (RANGE_TEST_NON_SHORT_CIRCUIT): Rename to ...
        (LOGICAL_OP_NON_SHORT_CIRCUIT): ... here.
        (fold_range_test): Adjust.
        (fold_truthop): Use it.
        * config/rs6000/rs6000.h (RANGE_TEST_NON_SHORT_CIRCUIT): Rename to ...
        (LOGICAL_OP_NON_SHORT_CIRCUIT): ... here.

2004-11-18  Uros Bizjak  <uros@kss-loka.si>

        * configure/i386/i386.md (*fix_trunch_1): Add "&& 1" to
        insn split constraint.
        (define_peephole2): Remove unneeded "&& 1" from peephole2
        constraints.

2004-11-18  Ben Elliston  <bje@au.ibm.com>

        * doc/cfg.texi (Maintaining the CFG): Remove duplicated @item
        element for bsi_prev; use @findex instead.

2004-11-18  Ben Elliston  <bje@au.ibm.com>

        * opts.h (add_input_filename): Remove extern declaration.
        * opts.c (add_input_filename): Make static.

2004-11-17  Mark Mitchell  <mark@codesourcery.com>

        * config/i386/i386.c (i386_solaris_elf_named_section): Mark with
        ATTRIBUTE_UNUSED.

2004-11-17  Zack Weinberg  <zack@codesourcery.com>

        * defaults.h, config/darwin.h: Don't define TARGET_SUPPORTS_HIDDEN.
        * system.h: Poison it.
        * doc/tm.texi: Delete its documentation.

2004-11-18  Daniel Jacobowitz  <dan@codesourcery.com>
            Mark Mitchell  <mark@codesourcery.com>

        * config/i386/sol2-10.h, config/i386/t-sol2-10: New files.
        * config/i386/i386.c (i386_solaris_elf_named_section): New
        function.
        * config.gcc (i[34567]86-*-solaris2*): Handle Solaris 2.10.
        * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Handle
        64-bit.
        (ASM_QUAD): Don't undefine for biarch targets.
        * config/i386/t-sol2: Introduce multilib support.

2004-11-18  Ben Elliston  <bje@au.ibm.com>

        * cgraphunit.c: Replace "it's" with "its" and fix a typo.

2004-11-18  Ben Elliston  <bje@au.ibm.com>

        * cgraph.h: Replace "it's" with "its" throughout.

2004-11-18  Ben Elliston  <bje@au.ibm.com>

        * doc/rtl.texi (Flags): Grammar fix.

2004-11-17  Kazu Hirata  <kazu@cs.umass.edu>

        * expmed.c (alg_code): Add alg_unknown.
        (alg_hash_entry): New.
        (NUM_ALG_HASH_ENTRIES): Likewise.
        (alg_hash): Likewise.
        (synth_mult): Cache the result into alg_hash.

2004-11-17  Zack Weinberg  <zack@codesourcery.com>

        * config/rs6000/t-darwin: Augment SHLIB_MAPFILES with
        config/rs6000/libgcc-ppc64.ver.

2004-11-17  Kazu Hirata  <kazu@cs.umass.edu>

        * cfgrtl.c (rtl_verify_flow_info): Don't use INSN_P when
        checking if an unconditional return is followed by a barrier.

        * jump.c (condjump_p): Remove unreachable code.

        * basic-block.h, c-common.h, df.h, expr.h, output.h, rtl.h,
        tree-chrec.h, tree-flow.h, tree-scalar-evolution.h,
        tree-ssa-live.h, tree.h: Remove unused prototypes.

2004-11-17  Jeff Law  <law@redhat.com>

        * tree-cfg.c (edge_to_cases): Renamed from edge_to_case_leader.
        (edge_to_cases_elt): Renamed from edge_to_case_leader.
        (edge_to_cases_hash): Renamed from edge_to_case_leader_hash.
        (edge_to_cases_eq): Renamed from edge_to_case_leader_eq.
        (edge_to_cases_cleanup, recording_case_labels_p): New functions.
        (get_cases_for_edge): New function.
        (start_recording_case_labels, end_recording_case_labels): Similarly.
        (record_switch_edge): Don't muck with the CASE_LABEL.  Instead
        chain equivalent CASE_LABEL_EXPRs together.
        (get_case_leader_for_edge, get_case_leader_for_edge_hash): Kill.
        (make_switch_expr_edges): Do not record edge/cases here.
        (cleanup_tree_cfg): Record cases around the call to thread_jumps.
        (split_critical_edges): Record cases around the edge splitting code.
        (cleanup_dead_labels): Use CASE_LABEL again.
        (tree_redirect_edge_and_branch): If we have a mapping from edge
        to cases, use it to handle redirections.  Else do it the slow way.
        * tree.h (CASE_LEADER_OR_LABEL): Kill.
        (CASE_LABEL): Revert to just looking at the tree's second operand.
        * tree.c (get_case_label): Kill.

2004-11-17  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/18307
        * tree-ssa-alias.c (merge_pointed_to_info): ICE if 'dest' and
        'orig' are the same node.
        (collect_points_to_info_r): Do not call merge_pointed_to_info
        when the PHI argument is identical to the LHS.

2004-11-17  Steven Bosscher  <stevenb@suse.de>

        * tree-ssa-propagate.c (cfg_blocks_add): Assert we're not trying
        to insert the exit or entry block.
        (ssa_prop_init): Use add_control_edge to seed the algorithm.

2004-11-16  Zack Weinberg  <zack@codesourcery.com>

        * mkmap-flat.awk, mkmap-symver.awk: If the last version
        assigned to a symbol was '%exclude', do not emit it anywhere.
        If leading_underscore is true, prefix all symbols from the
        version scripts with a leading underscore before comparing
        them with nm output or emitting them.  Remove support for dot
        symbols.
        * config/t-slibgcc-darwin (SHLIB_LINK): Use mkmap-flat.awk.
        (SHLIB_MAPFILES): Use libgcc-std.ver.
        (SHLIB_MKMAP_OPTS): Enable leading-underscore mode.
        (SHLIB_LINK): Add -Wl,-exported_symbols_list,$(SHLIB_MAP).
        * config/sh/t-linux: Use the normal libgcc-std.ver, plus
        libgcc-excl.ver and libgcc-glibc.ver.

        * config/sh/libgcc-excl.ver: New file.
        * config/sh/libgcc-std.ver, libgcc-darwin.ver: Delete.

2004-11-16  Daniel Berlin  <dberlin@dberlin.org>

        * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Swap
        the test when the edge has the opposite meaning, not when
        the first argument is invariant.

2004-11-16  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_override_options): Split e500v2
        doubles.
        (rs6000_complex_function_value): Handle e500 v2 variant.

2004-11-16  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/18519

        * tree-optimize (execute_todo): Add case for TODO_cleanup_cfg.
        * tree-pass.h: Add TODO_cleanup_cfg.
        * tree-ssa-ccp.c (pass_ccp): Use TODO_cleanup_cfg.
        (ccp_finalize): Remove call to cleanup_cfg.
        * tree-ssa-dce.c (pass_dce): Use TODO_cleanup_cfg and TODO_dump_func.
        (pass_cd_dce): Ditto.
        (perform_tree_ssa_dce): Remove call to cleanup_cfg,
        dump_function_to_file.
        * tree-ssa-loop-ch.c (copy_loop_headers): Remove call
        to cleanup_cfg.
        (pass_ch): Add TODO_cleanup_cfg.
        * tree-ssa-loop.c (tree_ssa_loop_done): Remove call to
        cleanup_cfg.
        (pass_loop_done): Add TODO_cleanup_cfg.
        * tree-ssa-phiopt.c (pass_phiopt): Ditto.
        (tree_ssa_phiopt): Remove call to cleanup_cfg.

2004-11-16  Devang Patel  <dpatel@apple.com>

        * optabs.c (vector_compare_rtx): Fix COMPARISON_CLASS_P use.

2004-11-16  Kazu Hirata  <kazu@cs.umass.edu>

        * expmed.c, ra-colorize.c: Fix comment typos.

        * doc/tm.texi: Fix typos.

2004-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
            Mark Mitchell  <mark@codesourcery.com>

        PR target/6123
        * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define __PIC__ and
        __pic__ if PIC.

2004-11-16  Ulrich Weigand  <uweigand@de.ibm.com>

        * regmove.c (regmove_optimize): Use lowpart_subreg instead of
        gen_rtx_SUBREG with incorrect offset to compute SRC_SUBREG.

2004-11-16  Devang Patel  <dpatel@apple.com>

        * tree-if-conv.c (clean_predicate_lists): Update gcc_assert check.

2004-11-16  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.c: Use rtl _P predicates.
        * config/mips/mips.h: Ditto.
        * config/mips/mips.md: Ditto.

2004-11-16  Fariborz Jahanian <fjahanian@apple.com>

        * config/rs6000/altivec.md (altivec_vandc): Canonicalize
        the pattern.

2004-11-16  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (s390_cc_modes_compatible): New function.
        (TARGET_CC_MODES_COMPATIBLE): Target macro defined.

2004-11-16  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/18447
        * config/sh/sh.c (prepare_move_operands): Emit blockage insns
        before and after the insns for getting GOT address in non-PIC
        TLS_MODEL_INITIAL_EXEC tls sequence when the first scheduling
        is enabled.

2004-11-16  Andreas Krebbel  <krebbel1@de.ibm.com>

        * gcc/cse.c (struct change_cc_mode_args): New structure.
        (cse_change_cc_mode_insn): New function.
        (cse_change_cc_mode): Use validate_change to perfom changes.
        (cse_change_cc_mode_insns, cse_condition_code_reg):
        Call cse_change_cc_mode_insn.

2004-11-16  Steven Bosscher  <stevenb@suse.de>

        * stack.h: Remove.

2004-11-16  Steven Bosscher  <stevenb@suse.de>

        * config/i386/i386.c (x86_schedule): Fix typo, m_K6 intead of m_K8.

2004-11-15  Dale Johannesen  <dalej@apple.com>

        * tree-flow.h (add_referenced_temp_var):  Remove name from prototype.

2004-11-15  Dale Johannesen  <dalej@apple.com>

        * profile.c (compute_branch_probabilities):  Prevent
        crash with EH in RTL-based profiling.

2004-11-16  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (verify_expr): Replace TREE_OPERAND with
        COND_EXPR_COND.
        * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
        * tree-ssa-dom.c (thread_across_edge): Likewise.
        * tree-vectorizer.c (vect_transform_loop_bound): Replace
        TREE_OPERAND with COND_EXPR_COND, COND_EXPR_THEN, or
        COND_EXPR_ELSE.

        * tree-cfg.c (bsi_commit_edge_inserts): Remove an argument.
        (tree_flow_call_edges_add): Update the call to
        bsi_commit_edge_inserts.
        * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Likewise.
        * profile.c (branch_prob): Likewise.
        * tree-mudflap.c (mf_decl_cache_locals): Likewise.
        * tree-sra.c (scalarize_function): Likewise.
        * tree-ssa-loop-im.c (loop_commit_inserts): Likewise.
        * tree-ssa-pre.c (fini_pre): Likewise.
        * tree-flow.h: Update the prototype for
        bsi_commit_edge_inserts.

2004-11-15  Eric Christopher  <echristo@redhat.com>

        * sched-deps.c (set_sched_group_p): Delete.
        (delete_all_dependencies): New function.
        (fixup_sched_groups): Use. New function.
        (sched_analyze_insn): Use.

2004-11-15  Joseph S. Myers  <joseph@codesourcery.com>

        * c-common.c (binary_op_error): Don't allow LROTATE_EXPR,
        RROTATE_EXPR or unknown code.
        * c-typeck.c (build_binary_op): Don't allow RROTATE_EXPR,
        LROTATE_EXPR, MAX_EXPR, MIN_EXPR, UNORDERED_EXPR, ORDERED_EXPR,
        UNLT_EXPR, UNLE_EXPR, UNGT_EXPR, UNGE_EXPR, UNEQ_EXPR, LTGT_EXPR
        or unknown code.

2004-11-15  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/18498
        * c-decl.c (grokdeclarator): Call check_bitfield_type_and_width
        after processing the declarator.

2004-11-15  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/altivec.md ("altivec_vsplth"): Rewrite with
        vec_duplicate.
        (altivec_vspltb): Same.
        (altivec_vspltw): Same.
        (altivec_vspltisb): Same.
        (altivec_vspltish): Same.
        (altivec_vspltisw): Same.
        (altivec_vspltisw_v4sf): Same.
        (define_constants): Remove UNSPEC_VSPLTISB, UNSPEC_VSPLTISW,
        UNSPEC_VSPLTISH.
        Move "End of vector xor's" comment to the right place.

2004-11-15  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.md (*movtf_internal):  Use destination_operand
        instead of nonimmediate_operand.

2004-11-15  Mark Mitchell <mark@codesourcery.com>

        * config/i386/sol2.h (ASM_OUTPUT_CALL): Use print_operand.
        * config/sparc/sol2.h (ASM_OUTPUT_CALL): Likewise.
        * config/sol2.c (solaris_output_init_fini): Update calls to
        ASM_OUTPUT_CALL.  Include "rtl.h".

2004-11-15  Mark Mitchell <mark@codesourcery.com>

        * config/sol2-c.c (cmn_err_char_table): Add "p".

2004-11-15  Mark Mitchell <mark@codesourcery.com>

        * config/sparc/sol2.h (SUPPORTS_INIT_PRIORITY): Remove.
        * config/sol2.h (SUPPORTS_INIT_PRIORITY): Define here.

2004-11-15  Mark Mitchell <mark@codesourcery.com>

        * config/t-slibgcc-sld (SHLIB_LINK): Make symlinks entirely
        within the multilib directory.

2004-11-15  Nick Clifton  <nickc@redhat.com>

        * config/stormy16/stormy16.h (TARGET_CPU_CPP_BUILTINS): Add
        builtin assert of cpu=xstormy16.

2004-11-15  Nathan Sidwell  <nathan@codesourcery.com>

        * tree-ssa-pre.c (bitmap_print_value_set): Fix uninitialized
        variable.

2004-11-14  Richard Henderson  <rth@redhat.com>

        PR 18480
        * calls.c (struct arg_data): Add parallel_value.
        (precompute_register_parameters): Set it.
        (load_register_parameters): Use it.
        (store_one_arg): Also set it here.

2004-11-14  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/18431
        * fold-const.c (associate_trees): Do not produce x + 0.
        (fold_widened_comparison, fold_sign_changed_comparison): New functions.
        (fold): Use them.
        * tree-ssa-loop-niter.c (upper_bound_in_type, lower_bound_in_type):
        Moved ...
        * tree.c (upper_bound_in_type, lower_bound_in_type): Here.
        * tree.h (upper_bound_in_type, lower_bound_in_type): Declare.

2004-11-14  Eric Botcazou <ebotcazou@libertysurf.fr>

        * doc/rtl.texi (SUBREG): Adjust BYTENUM value in example.

2004-11-14  Kazu Hirata  <kazu@cs.umass.edu>

        * cfgrtl.c, global.c, tree-ssa-copy.c, tree-ssa-loop-ivopts.c,
        value-prof.c: Fix comment typos.

2004-11-14  Stan Shebs  <shebs@apple.com>

        Basic ABI changes for passing structs by value in 64-bit Darwin.
        * config/rs6000/rs6000.c (rs6000_darwin64_abi): New flag.
        (rs6000_override_options): Set it for 64-bit Darwin.
        (rs6000_parse_abi_options): Add testing options to change it.
        (rs6000_return_in_memory): Test whether the type is one
        that can be passed in registers.
        (darwin64_function_arg_advance): New.
        (function_arg_advance): Call it, plus add recursion depth
        argument and test when counting off arguments.
        (rs6000_darwin64_function_arg): New.
        (function_arg): Call it.
        (setup_incoming_varargs): Add argument to function_arg_advance.
        (rs6000_darwin64_function_value): New.
        (rs6000_function_value): Call it.
        * config/rs6000/rs6000.h (FUNCTION_ARG_ADVANCE): Pass depth arg.
        * config/rs6000/rs6000-protos.h: Update decl of
        function_arg_advance.

2004-11-14  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c/17279
        * c-common.c (c_common_nodes_and_builtins): Ask the back-end if we
        support TImode before adding __int128_t and __uint128_t types.

2004-11-14  Dorit Naishlos  <dorit@il.ibm.com>

        PR tree-opt/18400
        * tree-vectorizer.c (make_loop_iterate_ntimes): Set loop->nb_iterations.
        (vect_transform_loop_bound): Set loop->nb_iterations.

2004-11-14  Dorit Naishlos  <dorit@il.ibm.com>
            Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/18425
        * tree-vectorize.c (vect_build_loop_niters): Do not insert
        NULL into the instruction stream. Initialize new_bb to NULL.
        (vect_update_ivs_after_vectorizer): Likewise.
        (vect_gen_niters_for_prolog_loop): Likewise.

2004-11-14  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/18431
        * tree-flow.h (stmt_references_memory_p): Declare.
        * tree-ssa-loop-im.c (stmt_cost): Use stmt_references_memory_p.
        * tree-ssa.c (stmt_references_memory_p): New function.

2004-11-14  Andreas Schwab  <schwab@suse.de>

        * Makefile.in (lambda-code.o, tree-loop-linear.o): Depend on
        $(EXPR_H).

2004-11-14  Kazu Hirata  <kazu@cs.umass.edu>

        * c-common.c (walk_stmt_tree): Remove.
        * c-common.h: Remove the corresponding prototype.

        * emit-rtl.c (push_to_full_sequence): Remove.
        * rtl.h: Remove the corresponding prototype.

        * cselib.c, expr.c: Fix comment typos.

2004-11-13  Richard Henderson  <rth@redhat.com>

        * calls.c (precompute_register_parameters): Force all PARALLELs
        into pseudo registers.
        (load_register_parameters): Copy PARALLELs into hard registers.
        * function.c (assign_parm_setup_block): Copy PARALLELS into
        pseudo registers.  Do emit_group_store in conversion_insns.
        * expr.c (emit_group_load_1): Rename from emit_group_load, take
        tmps as an argument.  Move final copy loop ...
        (emit_group_load): ... here.  New function.
        (emit_group_load_into_temps, emit_group_move_into_temps): New.
        * expr.h: Declare them.

2004-11-14  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c, tree-if-conv.c, tree-ssa-loop-ivopts.c,
        tree-ssa-loop-manip.c, tree-vectorizer.c: Replace TREE_CHAIN
        with PHI_CHAIN where appropriate.

2004-11-13  Dale Johannesen  <dalej@apple.com>

        * tree-flow.h (bsi_commit_one_edge_insert): Remove name from prototype.
        (tree_block_label): Ditto.
        (flush_pending_stmts): Ditto.
        (insert_edge_copies): Ditto.
        (expr_invariant_in_loop_p): Ditto.
        (TDF_USE_OPS): Parenthesize definition.
        (TDF_USE_VOPS): Ditto.

2004-11-13  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/aix51.h (ASM_CPU_SPEC): Add 970 and G5.
        * config/rs6000/aix52.h (ASM_CPU_SPEC): Same.
        (atoll): Declare.
        * config/rs6000/t-aix52 (BOOT_LDFLAGS): Define.

2004-11-14  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/i386.c (override_options): Move loop to set default
        tuning to correct place.

2004-11-13  Zak Kipling  <zak@transversal.com>

        PR target/18300
        * config/i386/i386.c (classify_argument): Fix infinite loop when
        passing object with 3 or more base classes by value.

2004-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/md.texi (constraints) <% modifier>: Mention that it is
        useless when the two alternatives are strictly identical.

2004-11-13  Richard Henderson  <rth@redhat.com>

        * expmed.c (extract_split_bit_field): Temporarily disable call to
        extract_force_align_mem_bit_field.

2004-11-13  Kazu Hirata  <kazu@cs.umass.edu>

        * bitmap.c, bitmap.h, expmed.c, tree-cfg.c: Fix comment
        formatting.

        * c-cppbuiltin.c, cgraph.c, domwalk.h, except.c, gimplify.c,
        lambda-code.c, postreload.c, predict.c, tree-sra.c,
        tree-ssa-loop-manip.c, tree.c: Fix comment typos.

2004-11-13  Kelley Cook  <kcook@gcc.gnu.org>

        * doc/install.texi (automake): Correctly document that everything now
        will use automake 1.9.3.

2004-11-13  Hans-Peter Nilsson  <hp@bitrange.com>

        PR target/18347
        * config/mmix/mmix.c (mmix_function_outgoing_value): Handle
        TImode.  Sorry for other non-complex larger-than-64-bit modes.
        * config/mmix/mmix.h (MIN_UNITS_PER_WORD): Do not define.

2004-11-13  Kelley Cook  <kcook@gcc.gnu.org>

        * doc/install.texi (automake): Document that everything now uses 1.9.

2004-11-13  Bernd Schmidt  <bernd.schmidt@analog.com>

        * cse.c (cse_insn): Stores in a libcall sequence can invalidate
        previous loads.

2004-11-13  Kazu Hirata  <kazu@cs.umass.edu>

        * tree.h: Fix comment typos.

2004-11-13  Steven Bosscher  <stevenb@suse.de>

        * cse.c (CHEAP_REGNO): Redefine using REGNO_PTR_FRAME_P and
        HARD_REGISTER_NUM_P.

        * cselib.c (new_cselib_val): Make comment correct and more detailed.
        * flow.c (mark_set_1): Likewise.

        * except.c (duplicate_eh_region_1, duplicate_eh_region_2,
        duplicate_eh_regions): Remove.
        * except.h (duplicate_eh_regions): Remove prototype.
        * integrate.c (get_label_from_map, copy_rtx_and_substitute,
        global_const_equiv_varray): Remove.
        * integrate.h (get_label_from_map, copy_rtx_and_substitute,
        global_const_equiv_varray, set_label_in_map): Remove prototypes,
        extern declaration, and #define.
        (MAYBE_EXTEND_CONST_EQUIV_VARRAY, SET_CONST_EQUIV_DATA): Remove.
        (struct inline_remap): Remove.
        * varray.c (struct element): Remove entry for const_equiv_data.
        * varray.h (struct const_equiv_data): Remove.
        (enum varray_data_enum) <VARRAY_DATA_CONST_EQUIV>: Remove.
        (union varray_data_tag) <const_equiv>: Remove.
        (VARRAY_CONST_EQUIV_INIT, VARRAY_CONST_EQUIV,
        VARRAY_PUSH_CONST_EQUIV, VARRAY_TOP_CONST_EQUIV): Remove.

        * regstack.c (record_label_references): Remove unused function.

        * rtl.def (VALUE): Update comment.
        (LABEL_REF): Remove unused operand 2.
        * rtl.h (struct rtx_def): Update for removed accessor macros.
        (XCADVFLAGS, INSN_DEAD_CODE_P, LINE_NUMBER, CONTAINING_INSN,
        REG_LOOP_TEST_P): Remove.
        (ADDR_DIFF_VEC_FLAGS, CSELIB_VAL_PTR, LABEL_NEXTREF): Add comments.
        * web.c (entry_register): Don't copy REG_LOOP_TEST_P.
        * doc/rtl.texi (INSN_DEAD_CODE_P, REG_LOOP_TEST_P): Remove.

2004-11-13  James A. Morrison  <phython@gcc.gnu.org>
            Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/18230
        * config/sparc/sparc.c (sparc_rtx_costs): Handle the NAND vector
        patterns.
        * config/sparc/sparc.md (V64I): New macro for 64-bit modes.
        (V32I): New macro for 32-bit modes.
        (anddi3, anddi_sp32, anddi_sp64, and_not_di_sp32, and_not_di_sp64,
        iordi3, iordi3_sp32, iordi_sp64, or_not_di_sp32, or_not_di_sp64,
        xordi3, xordi3_sp32, xordi3_sp64, {AND, IOR, XOR} DI splitter,
        xor_not_di_sp32, xordi_not_di_sp64, one_cmpldi2, one_cmpldi_sp32,
        one_cmpldi_sp64): Use V64I instead of DI.
        (andsi3, andsi_sp32, andsi_sp64, and_not_si, iorsi3, or_not_si,
        xorsi3, xor_not_si, one_cmplsi2): Use V32I instead of SI.
        (addv2si3, addv4hi3, addv2hi3): Remove % modifier.
        (nandv64i_vis, nandv32i_vis): New patterns.

2004-11-12  Mike Stump  <mrs@apple.com>

        * Makefile.in: Add html support.
        * java/Make-lang.in: Likewise.
        * fortran/Make-lang.in: Likewise.
        * treelang/Make-lang.in: Likewise.
        * doc/install.texi: Likewise.
        * doc/makefile.texi: Likewise.
        * doc/sourcebuild.texi: Likewise.

2004-11-13  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-loop-manip.c: Fix a comment typo.

2004-11-12  Mike Stump  <mrs@apple.com>

        * doc/cppinternals.texi (Index): Fix html generation with makeinfo by
        renaming this node to Concept Index.
        * doc/gccint.texi (Index): Likewise.  Also minor formatting tweaks
        to more closely match gcc.texi.

2004-11-12  Jeff Law  <law@redhat.com>

        * tree-cfg.c (hashtab.h): Include.
        (struct edge_to_case_leader_elt): New structure.
        (edge_to_case_leader): New.
        (edge_to_case_leader_hash): New hashtable hasing function.
        (edge_to_case_leader_eq): New hashtable equality function.
        (record_switch_edge): New function.
        (get_case_leader_for_edge, get_case_leader_for_edge): New functions.
        (make_switch_expr_edges): Build the edge-to-case-leader
        hash table.  Tear down the hash table when we're done.
        (cleanup_dead_labels): Use CASE_LEADER_OR_LABEL instead of
        CASE_LABEL.
        (tree_node_can_be_shared): Allow sharing of CASE_LABEL_EXPR nodes.
        (tree_redirect_edge_and_branch, case SWITCH_EXPR): Update
        to use new concept of case leaders to reduce overhead of
        redirecting outgoing edges from switch statements.
        * tree.c (get_case_label): New function.
        * tree.h (CASE_LABEL): Define in terms of get_case_label.
        (CASE_LEADER_OR_LABEL): Define.

2004-11-12  Ziemowit Laski  <zlaski@apple.com>

        * varasm.c (output_addressed_constants): For CONST_DECLs,
        output the initializer if present.

2004-11-12  Ziemowit Laski  <zlaski@apple.com>

        * config/rs6000/darwin.h: Fix confusing typo in comment.

2004-11-12  Devang Patel  <dpatel@apple.com>

        * optabs.c (vector_compare_rtx): Use COMPARISON_CLASS_P.

2004-11-12  Devang Patel  <dpatel@apple.com>

        * tree-if-conv.c (clean_predicate_lists): Use loop header
        and latch directly.

2004-11-12  Richard Henderson  <rth@redhat.com>

        PR 17778
        * config/i386/i386.h (TARGET_96_ROUND_53_LONG_DOUBLE): New.
        * config/i386/freebsd.h (SUBTARGET_OVERRIDE_OPTIONS): Remove.
        (TARGET_96_ROUND_53_LONG_DOUBLE): New.
        * config/i386/i386-modes.def (XF): Use it.

2004-11-11  Geoffrey Keating  <geoffk@apple.com>

        * Makefile.in (macro_list): Use move-if-change to avoid spurious
        rebuilds.

2004-11-12  Mark Mitchell  <mark@codesourcery.com>

        PR c++/18416
        * passes.c (rest_of_decl_compilation): Do not look at DECL_RTL
        when deciding whether to pass a variable to
        cgraph_varpool_finalize_decl or assemble_variable.
        * toplev.c (check_global_declarations): Do not clear DECL_RTL.

2004-11-12  Kazu Hirata  <kazu@cs.umass.edu>

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

2004-11-12  Bernd Schmidt  <bernd.schmidt@analog.com>

        * genconfig.c (walk_insn_part): Look at match_dups inside a label_ref.

2004-11-12  Diego Novillo  <dnovillo@redhat.com>

        * tree-scalar-evolution.c (analyzable_condition): Remove
        superfluous TREE_THIS_VOLATILE checks on SSA_NAMEs.

2004-11-12  Ralf Corsepius  <ralf.corsepius@rtems.org>

        * config/rs6000/t-rtems (MULTILIB_NEW_EXCEPTIONS_ONLY):
        Remove m505/roe multilib variant.

2004-11-12  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * expr.c (emit_group_load) <CONCAT>: Use extract_bit_field
        to load from the stack.

2004-11-12  Richard Henderson  <rth@redhat.com>

        * toplev.c (floor_log2): Rename from floor_log2_wide, use CLZ_HWI.
        (exact_log2): Rename from exact_log2_wide, use CTZ_HWI.
        * toplev.h (FL2T__): Remove.
        (CLZ_HWI): Rename from FL2T_CLZ__.
        (CTZ_HWI): New.
        (floor_log2): Simplify.
        (exact_log2): New.

2004-11-12  Sebastian Pop  <pop@cri.ensmp.fr>

        * tree-data-ref.c (analyze_subscript_affine_affine): Correctly
        compute the first overlapping iterations.

2004-11-12  Sebastian Pop  <pop@cri.ensmp.fr>

        PR middle-end/18005
        * tree-data-ref.c (estimate_niter_from_size_of_data): Ensure
        that arguments of EXACT_DIV_EXPR are INTEGER_CST.

2004-11-12  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/18419
        * tree-ssa.c (walk_use_def_chains_1): Make the visited map a
        pointer set instead of a bitmap.
        (walk_use_def_chains): Create, pass and clean up that pointer_set.

        * tree-ssa-alias.c (struct alias_info): Make the ssa_names_visited
        field an sbitmap.
        (init_alias_info): Allocate and zero it here.
        (delete_alias_info): Delete it here.
        (collect_points_to_info_for): Use it.

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

        * alias.c (record_alias_subset, addr_side_effect_eval):
        Make them static.
        * alias.h: Remove the prototype for record_alias_subset.
        * expr.h: Remove the commented-out prototype for
        record_alias_subset.
        * rtl.h: Remove the prototype for addr_side_effect_eval.

        * cfglayout.c (choose_inner_scope): Make it static.
        * rtl.h: Remove the corresponding prototype.

        * cfgloopmanip.c (update_single_exits_after_duplication,
        unloop): Make them static.
        * cfgloop.h: Remove the corresponding prototypes.

        * c-typeck.c (c_size_in_bytes, record_maybe_used_decl):
        Make them static.
        * c-tree.h: Remove the corresponding prototypes.

        * explow.c (round_push): Make it static.
        * expr.h: Remove the corresponding prototype.

        * varasm.c (get_named_section_flags, decl_tls_model): Make
        them static.
        * output.h: Remove the prototype for get_named_section_flags.
        * tree.h: Remove the prototype for decl_tls_model.

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

        * function.c (expand_function_end): Remove an "if" statement
        that always triggers.
        * stmt.c (expand_null_return_1): Likewise.

2004-11-11  James E. Wilson  <wilson@specifixinc.com>

        * config/ia64/ia64.h (HARD_REGNO_NREGS): Handle XCmode.
        (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, SECONDARY_MEMORY_NEEDED,
        CLASS_MAX_NREGS): Likewise.

2004-11-11  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/17742
        * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Handle
        MINUS_EXPR correctly.

2004-11-11  Sebastian Pop  <pop@cri.ensmp.fr>

        * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
        Give up as soon as the evolution is known not computable.

2004-11-11  Nathan Sidwell  <nathan@codesourcery.com>

        PR target/16457
        * config/rs6000/rs6000.c (mask64_2_operand): Stub to call
        mask64_1or2_operand.
        (mask64_1or2_operand): Broken out of mask64_2_operand, add flag
        to spot rlwinm opportunities.
        (and64_2_operand): Use mask_1or2_operand.
        * config/rs6000/rs6000.md (anddi3): Use rlwinm when possible.

2004-11-11  Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vectorizer.c (update_phi_nodes_for_guard): Call reverse_phis.
        (vect_update_ivs_after_vectorizer): Update function documentation.
        Avoid quadratic behavior and direct write to PHI_ARG_DEF.

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

        * config/arm/arm.c: Fix a comment typo.

2004-11-11  Nathan Sidwell  <nathan@codesourcery.com>

        * bitmap.h (nBITMAP_WORD_BITS): Remove.
        (BITMAP_WORD_BITS): Force unsigned by use of 1u.
        (BITMAP_ELEMENT_WORDS, BITMAP_ELEMENT_ALL_BITS): Remove
        unnecessary casts.
        (bitmap_first_set_bit): Return unsigned, use ctzl.
        (bitmap_last_set_bit): Remove.
        * bitmap.c (bitmap_element_zerop, bitmap_copy): Make iterator
        unsigned.
        (bitmap_first_set_bit): Return unsigned, require non-empty bitmap,
        remove special case code for two word elements.
        (bitmap_last_set_bit): Remove.
        * ra-build.c (livethrough_conflicts_bb): Replace unnecessary use of
        bitmap_first_set_bit with bitmap_empty_p.
        * tree-outof-ssa.c (analyze_edges_for_bb): Likewise.
        * tree-ssa-pre.c (bitmap_print_value): Use simple flag rather than
        bitmap_last_bit_set.

2004-11-11  Nathan Sidwell  <nathan@codesourcery.com>

        PR target/16796
        * config/rs6000/rs6000.md: Add DF & SF reg move peepholes.

        PR target/16458
        * config/rs6000/rs6000.c (rs6000_generate_compare): Generate an
        unsigned equality compare when we know the operands are unsigned.

2004-11-10  Peter S. Mazinger  <ps.m@gmx.net>

        * config/mips/linux.h (LINUX_TARGET_OS_CPP_BUILTINS): Define
        __PIC__ and __pic__ only if TARGET_ABICALLS.
        (SUBTARGET_CPP_SPECS): Don't define or undefine __PIC__ and __pic__.
        (SUBTARGET_ASM_SPECS): Don't pass -non_shared to assembler; pass
        -KPIC only if not -mno-abicalls.

        * config/alpha/linux.h, config/arm/linux-elf.h, config/pa/pa-linux.h
        * config/sparc/linux.h, config/sparc/linux64.h
        (TARGET_OS_CPP_BUILTINS): Define __PIC__ and __pic__ if flag_pic.

        * config/arm/linux-gas.h (CPP_SPEC): Don't define __PIC__ or __pic__.
        * config/pa/pa/linux.h (CPP_SPEC): Likewise.
        * config/sparc/linux.h (CPP_SUBTARGET_SPEC): Likewise.
        * config/sparc/linux64.h (CPP_SUBTARGET_SPEC): Likewise.

2004-11-11  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_compute_save_reg0_reg12_mask): Save PIC
        register if current_function_uses_pic_offset_table is set.

2004-11-10  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (define_attr "type"): Add two and three.
        Change multi-instruction sequences to new attribute.
        * config/rs6000/{40x.md,440.md,603.md,6xx.md,
        7450.md,7xx.md,8540.md,mpc.md,power4.md,power5.md,
        rios1.md,rios2.md,rs64.md}: Add descriptions for two and three.

2004-11-10  Daniel Berlin  <dberlin@dberlin.org>

        * tree-data-ref.c (build_classic_dist_vector): If either loop
        is outside of the nest we asked about, the dependence can't
        matter.
        (build_classic_dir_vector): Ditto.

2004-11-10  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-loop-ivopts.c (get_address_cost): Add address elements in
        right order.
        (force_var_cost): Determine cost of addition and multiplication more
        precisely.
        (get_computation_cost_at): Add cost for computing address elements to
        the final cost.

        * fold-const.c (fold): Attempt to use ptr_difference_const whenever
        one of the arguments of MINUS_EXPR is an address.
        (split_address_to_core_and_offset): New function.
        (ptr_difference_const): Handle case when one of the operands is a
        pointer.
        * tree-ssa-loop-ivopts.c (determine_base_object): Fold &*addr.
        (ptr_difference_cost): Pass addresses instead of objects to
        ptr_difference_const.

2004-11-10  Nathan Sidwell  <nathan@codesourcery.com>

        * tree.c (tree_check_failed): Emit general error if the list of
        node types is empty.

2004-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (function_arg_union_value): New 'slotno'
        argument.  When the union is passed in the 6th slot, build a
        PARALLEL with only one element.
        (function_arg): Adjust call to function_arg_union_value.
        (function_value): Likewise.

2004-11-10  Fariborz Jahanian <fjahanian@apple.com>

        PR tree-optimization/17892
        * tree-ssa-dom.c (unsafe_associative_fp_binop): Add test for
        MINUS_EXPR operator.

2004-11-10  James A. Morrison  <phython@gcc.gnu.org>

        PR target/18230
        config/sparc/sparc.md (addsi3, subsi3): Set "fptype" attribute.
        (addv2si, addv4hi, addv2hi, subv2si, subv4hi, subv2hi): New patterns.

2004-11-10  Steven Bosscher  <stevenb@suse.de>

        * basic-block.h (XMALLOC_REG_SET, XFREE_REG_SET): New.
        (struct basic_block_def): Remove local_set and cond_local_set
        fields.  Update comment for global_live_at_start.
        * flow.c (calculate_global_regs_live): Allocate local_sets and
        cond_local_sets here as arrays of bitmaps previously stored in
        bb->local_set and bb->cond_local_set.  Use xmalloc instead of
        obstack allocated bitmaps.

2004-11-09  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/18380
        * config/ia64/unwind-ia64.h (_Unwind_FindTableEntry): Mark it
        hidden.

        * unwind-dw2.c (_Unwind_FindTableEntry): Removed.

2004-11-09  Jeff Law  <law@redhat.com>

        * cfganal.c (flow_dfs_compute_reverse_execute): Accept new
        argument holding last unvisited block.  Start search for
        unvisited blocks at LAST_UNVISITED rather than EXIT_BLOCK.
        (connect_infinite_loops_to_exit): Supply last unvisited block
        to flow_dfs_compute_reverse_execute.

2004-10-22  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md (fix_truncdfsi2): Handle e500
        doubles.
        (floatunssidf2): Same.
        (floatsidf2): Same.
        ("extendsfdf2"): New expander.
        (*extendsfdf2_fpr): Rename.
        (*truncdfsf2_fpr): Same.
        (*negdf2_fpr): Same.
        (*absdf2_fpr): Same.
        (*nabsdf2_fpr): Same.
        (*adddf3_fpr): Same.
        (*subdf3_fpr): Same.
        (*muldf3_fpr): Same.
        (*divdf3_fpr): Same.

        * config/rs6000/spe.md ("spe_extendsfdf2"): Remove FIXME comment.
        ("spe_fix_truncdfsi2"): Same.
        (spe_floatunssidf2): Same.
        (spe_floatsidf2): Same.

2004-11-09  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/18322
        * c-common.c (fname_decl): Don't use line number of decl in
        diagnostic.

2004-11-09  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390-protos.h (s390_pool_operand): Remove.
        * config/s390/s390.c (s390_pool_operand): Likewise.
        (s390_extra_constraint_str): Handle 'B' constraints.
        * config/s390/s390.h (CONSTRAINT_LEN): Handle 'B' constraints.
        * config/s390/s390.md: Document 'B' constraints.
        ("*cmpdi_cct", "*cmpsi_cct"): Use 'B' constraint instead of
        s390_pool_operand to prevent insns with two literal pool
        references.  Make pattern commutative.
        ("*cmpdi_ccu", "*cmpsi_ccu", "*cmphi_ccu", "*cmpqi_ccu"): Use
        'B' constraint instead of s390_pool_operand.

2004-11-09  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (create_bb): Remove unnecessary memset.

2004-11-09  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-threadupdate.c (copy_phis_to_block): Remove.
        (thread_block): Call flush_pending_stmt instead of
        copy_phis_to_block.

2004-11-09  Kazu Hirata  <kazu@cs.umass.edu>

        * loop-iv.c (iv_number_of_iterations): Make it static.
        * cfgloop.h: Remove the corresponding prototype.

2004-11-09  Kazu Hirata  <kazu@cs.umass.edu>

        * function.c (combine_temp_slots, assign_parms,
        expand_pending_sizes): Make them static.
        * tree.h: Remove the corresponding prototypes.

2004-11-09  Kazu Hirata  <kazu@cs.umass.edu>

        * emit-rtl.c (copy_most_rtx): Remove.
        * rtl.h: Remove the corresponding prototype.

2004-11-09  Kazu Hirata  <kazu@cs.umass.edu>

        * cfgloop.c (flow_loops_update): Remove.
        * cfgloop.h: Remove the corresponding prototype.

2004-11-09  Kazu Hirata  <kazu@cs.umass.edu>

        * conflict.c (mark_reg, conflict_graph_compute): Remove.
        * basic-block.h: Remove the prototype for
        conflict_graph_compute.

2004-11-09  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-if-conv.c (add_to_dst_predicate_list): Change the
        second argument to basic_block.
        (tree_if_convert_cond_expr): Update call sites.

2004-11-09  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (pedantic_non_lvalue): Make it static.
        * tree.h: Remove the corresponding prototype.

2004-11-09  Kazu Hirata  <kazu@cs.umass.edu>

        * optabs.c (prepare_operand): Make it static.
        * optabs.h: Remove the corresponding prototype.

2004-11-09  Kazu Hirata  <kazu@cs.umass.edu>

        * reload1.c (reloads_conflict, gen_reload): Make them static.
        * reload.h: Remove the corresponding prototypes.

2004-11-09  Kazu Hirata  <kazu@cs.umass.edu>

        * reload.c (refers_to_mem_for_reload_p,
        refers_to_regno_for_reload_p): Make them static.
        * reload.h: Remove the corresponding prototypes.

2004-11-09  James A. Morrison  <phython@gcc.gnu.org>
            Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/18230
        * doc/md.texi (SPARC constraints): Document 'Y' constraint.
        * config/sparc/sparc-modes.def: Add vector modes of 4 and 8 bytes.
        * config/sparc/sparc.c (sparc_vector_mode_supported_p): New function.
        (TARGET_VECTOR_MODE_SUPPORTED_P): Set to sparc_vector_mode_supported_p.
        (fp_zero_operand): Accept MODE_VECTOR_INT modes.
        (input_operand): Accept CONST_VECTOR with MODE_VECTOR_INT modes.
        (sparc_cannot_force_const_mem): Return false for CONST_VECTOR.
        (sparc_init_modes): Set sparc_mode_class to SF_MODE or DF_MODE for
        MODE_VECTOR_INT modes.
        (sparc_extra_constraint_check): Add new constraint 'Y'.
        * config/sparc/sparc.h: Define UNITS_PER_SIMD_WORD to 8 for TARGET_VIS.
        * config/sparc/sparc.md (V32): New mode macro for 32-bit modes.
        (V64): New mode macro for 64-bit modes.
        (movsf): Use V32 for mode instead of SF.
        (movsf_insn_vis): Use V32 for mode instead of SF.  Add 'Y' constraint
        alongside 'G' constraint.
        (movdf): Use V64 for mode instead of DF.
        (movdf_insn_v9only_vis, modf_insn_sp64_vis): Use V64 for mode instead
        of DF.  Add 'Y' constraint alongside 'G' constraint.
        (multi-isn and misaligned mems DFmode splitters): Use V64 for mode
        instead of DF.

2004-11-09  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_select_ccmode): Return CCAPmode for
        integer NEG and ABS.
        * config/s390/s390.md ("*negdi2_64"): Fix op_type attribute.
        ("*negdi2_31"): Reimplement using a splitter.
        ("*negdi2_cc", "*negdi2_cconly"): New insns.
        ("*negdi2_sign", "*negdi2_sign_cc"): Likewise.
        ("*negsi2_cc", "*negsi2_cconly"): Likewise.
        ("*negdf2_cc", "*negdf2_cconly"): Likewise.
        ("*negsf2_cc", "*negsf2_cconly"): Likewise.
        ("*absdi2_cc", "*absdi2_cconly"): New insns.
        ("*absdi2_sign", "*absdi2_sign_cc"): Likewise.
        ("*abssi2_cc", "*abssi2_cconly"): Likewise.
        ("*absdf2_cc", "*absdf2_cconly"): Likewise.
        ("*abssf2_cc", "*abssf2_cconly"): Likewise.
        ("*negabsdi2_cc", "*negabsdi2_cconly"): New insns.
        ("*negabsdi2_sign", "*negabsdi2_sign_cc"): Likewise.
        ("*negabssi2_cc", "*negabssi2_cconly"): Likewise.
        ("*negabsdf2_cc", "*negabsdf2_cconly"): Likewise.
        ("*negabssf2_cc", "*negabssf2_cconly"): Likewise.

2004-11-09  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_canonicalize_comparison): Reverse condition
        when eliminating an UNSPEC_CMPINT.
        (s390_secondary_input_reload_class): Fix test for CC register reload.
        (s390_secondary_output_reload_class): Likewise.
        (s390_expand_cmpmem): Swap operands.  Use gen_cmpint.
        * config/s390/s390.md ("*cmpint_si", "*cmpint_di"): Remove.
        ("cmpint", "*cmpint_cc", "*cmpint_sign", "*cmpint_sign_cc"): New
        insn patterns with splitters.

2004-11-09  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_rtx_costs): Add EQ, GTU, and LTU.
        * config/rs6000/rs6000.md (sCC): Split GTU and LTU patterns.

2004-11-09  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-phinodes.c (phi_reverse): New.
        * tree-cfg.c (tree_make_forwarder_block, tree_duplicate_bb):
        Use it.
        * tree-flow.h: Add a prototype for phi_reverse.

2004-11-09  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-loop-ivopts.c: Fix a comment typo.

2004-11-09  James A. Morrison  <phython@gcc.gnu.org>

        PR pch/14940
        * config/host-linux.c (TRY_EMPTY_VM_SPACE): Add __sparc__
        definitions.

2004-11-09  Joseph S. Myers  <joseph@codesourcery.com>

        * builtins.c, c-common.c, c-decl.c, c-format.c: Say "argument"
        instead of "arg" in diagnostics.

2004-11-09  Joseph S. Myers  <joseph@codesourcery.com>

        * builtins.c, c-common.c, c-decl.c, c-format.c, c-format.h,
        c-parse.in, c-pch.c, c-pragma.c, collect2.c, final.c, gcc.c,
        gcov.c, opts.c, pretty-print.h, protoize.c, reg-stack.c, rtl.c,
        tlink.c, config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
        config/avr/avr.c, config/c4x/c4x.c, config/darwin.c,
        config/frv/frv.c, config/h8300/h8300.c, config/i386/i386.c,
        config/i386/winnt.c, config/ia64/ia64.c, config/ip2k/ip2k.c,
        config/iq2000/iq2000.c, config/m32r/m32r.c,
        config/m68hc11/m68hc11.c, config/m68k/m68k.c, config/m68k/m68k.h,
        config/mcore/mcore.c, config/mips/mips.c, config/mmix/mmix.c,
        config/ns32k/ns32k.c, config/rs6000/host-darwin.c,
        config/rs6000/rs6000.c, config/s390/s390.c, config/sh/sh.c,
        config/sh/symbian.c, config/stormy16/stormy16.c,
        config/v850/v850.c: Avoid "`" as left quote, using "'" or %q, %<
        and %> as appropriate.  Use %' as apostrophe in diagnostics where
        applicable.  Use %< and %> in place of '' quotes where applicable.
        Use %qs in place of %<%s%>.  Consistently quote __builtin function
        names.

2004-11-09  Hans-Peter Nilsson  <hp@bitrange.com>

        * gdbinit.in (pbb, pbm): New macros.

2004-11-08 Jeff Law  <law@redhat.com>

        * cfg.c (redirect_edge_succ_nodup): Use find_edge rather than
        implementing it inline.

        * cfganal.c (find_edge): Search pred->succs or succ->preds,
        whichever is shorter.

2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>

        * passes.c (rest_of_handle_jump): Remove dead code.

2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (thread_jumps): Speed up by keeping a pointer to
        the last used element in the worklist.

2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-inline.c (remap_save_expr): Make it static.
        * tree-inline.h: Remove the corresponding prototype.

2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-loop-niter.c (upper_bound_in_type,
        lower_bound_in_type): Make them static.
        * tree.h: Remove the corresponding prototypes.

2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-live.c (tpa_init, pop_best_coalesce): Make them
        static.
        * tree-ssa-live.h: Remove the corresponding prototypes.

2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-if-conv.c (tree_if_conversion): Make it static.
        * tree-flow.h: Remove the corresponding prototype.

2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-operands.c (build_ssa_operands): Make it static.
        * tree-flow.h: Remove the corresponding prototype.

2004-11-08  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/18299
        * tree-inline.c (copy_body_r): Change "t = t" to empty
        statement instead of "t".

2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>

        * modulo-sched.c (create_partial_schedule,
        free_partial_schedule, reset_partial_schedule,
        ps_add_node_check_conflicts, rotate_partial_schedule): Make
        them static.

2004-11-08  Richard Henderson  <rth@redhat.com>

        * expmed.c (extract_force_align_mem_bit_field): Correct handling at
        the end of a page.

2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>

        * sched-deps.c (add_insn_mem_dependence): Make it static.
        * sched-int.h: Remove the corresponding prototypes.

2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>

        * flow.c (allocate_bb_life_data): Make it static.
        * basic-block.h: Remove the corresponding prototype.

2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>

        * calls.c (split_complex_values, split_complex_types): Make
        them static.
        * expr.h: Remove the corresponding prototypes.

2004-11-08  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_handle_notshared_attribute): Wrap declaration and use
        with #if TARGET_DLLIMPORT_DECL_ATTRIBUTES.

2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-if-conv.c (tree_if_convert_cond_expr): Remove two "if"
        statements that always trigger.

2004-11-08  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c, tree-if-conv.c, tree-into-ssa.c,
        tree-scalar-evolution.c, tree-ssa-loop-im.c,
        tree-ssa-loop-ivopts.c, tree-ssa-loop-manip.c, tree-ssa.c,
        tree-vectorizer.c: Replace TREE_CHAIN with PHI_CHAIN where
        appropriate.

2004-11-08  Ben Elliston  <bje@au.ibm.com>

        * cgraph.h (cgraph_calls_p): Remove.
        * cgraph.c (cgraph_calls_p): Likewise.

        * varray.h (varray_copy): Remove.
        * varray.c (varray_copy): Likewise.

2004-11-07  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/18269
        * config/darwin.c (machopic_indirect_data_reference):
        Call gen_macho_high and gen_macho_low instead of
        checking the mode and calling gen_macho_high_di directly.
        * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
        * config/rs6000/rs6000.md: Move most of TARGET_MACHO expand/insns
        to darwin.md.
        (movdf_low, movsf_low, movsf_low_st, movsi_low, macho_correct_pic,
        load_macho_picbase, macho_low, macho_high): Removed.
        (builtin_setjmp_receiver): Call gen_macho_high and
        gen_macho_low instead of checking the mode and calling
        gen_macho_high_di directly.
        * config/rs6000/darwin.md (load_macho_picbase_di): Use the MD constant.
        (movdf_low_si, movsf_low_si, movsf_low_st_si, movsi_low_st):
        Moved from rs6000.md.
        (macho_high): New expander.
        (macho_high_si): Renamed version of macho_high from rs6000.md.
        (macho_low): New expander.
        (macho_low_si): Renamed version of macho_low from rs6000.md.
        (load_macho_picbase): New expander.
        (load_macho_picbase_si): Renamed version of load_macho_picbase
        from rs6000.md.
        (macho_correct_pic): New expander.
        (macho_correct_pic_si): Renamed version of macho_correct_pic
        from rs6000.md.

2004-11-07  Joseph S. Myers  <joseph@codesourcery.com>

        * c-decl.c (finish_struct): Use complete sentences for diagnostic
        for structures or unions with no members or named members.

2004-11-07  Joseph S. Myers  <joseph@codesourcery.com>

        * c-typeck.c (build_unary_op): Replace unreachable diagnostic for
        taking address of bit-field by assertion.

2004-11-06  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md (attribute "op_type"): Default to "NN".
        (attribute "atype"): Default to "agen".
        (attribute "length"): Default to 6.
        (define_asm_attibutes): Remove.
        ("movti", "*movdi_64", "*movdi_31", "*movsi_zarch", "*movsi_esa",
        "*movhi", "*movqi", "*movdf_64", "*movdf_31", "movsf",
        "*clc", "*mvc", "*nc", "*oc", "*xc", "*xc_zero"):
        Do not set type attribute to "cs" where already default.
        ("*cmpint_si", "*cmpint_di", "fix_truncdfsi2_ibm", "floatsidf2_ibm",
        "*negdi2_31"):
        Do not set type attribute to "other" where already default.
        ("movti", "*movdi_64", "*movdi_31", "*movdf_31",
        "*strlendi", "*strlensi",
        "*movmem_long_64", "*movmem_long_31",
        "*clrmem_long_64", "*clrmem_long_31",
        "*cmpmem_long_64", "*cmpmem_long_31",
        "*cmpint_si", "*cmpint_di",
        "addti3", "*adddi3_31z", "*adddi3_31",
        "subti3", "*subdi3_31z", "*subdi3_31", "*negdi2_31",
        "*sconddi", "*scondsi", "*sconddi_neg", "*scondsi_neg",
        "fix_truncdfsi2_ibm", "floatsidf2_ibm", "extendsfdf2_ibm",
        "*pool_entry", "pool_align", "pool_section_start",
        "pool_section_end", "main_pool", "reload_base_31", "pool"):
        Do not set op_type attribute to "NN" where already default.
        ("*extractqi", "*extracthi", "*zero_extendhisi2_31",
        "*zero_extendqisi2_31", "*zero_extendqihi2_31",
        "fix_truncdfsi2_ibm", "floatsidf2_ibm"):
        Do not set atype attribute to "agen" where already default.
        ("*movmem_short", "*clrmem_short", "*cmpmem_short"): Don't set op_type.

2004-11-06  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/t-iris6 (tp-bit.c): Fix target filename.

2004-11-06  Richard Sandiford  <rsandifo@redhat.com>

        PR target/16830
        * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Don't define the
        R3000 and R4000 macros on IRIX.

2004-11-06  Andreas Schwab  <schwab@suse.de>

        PR target/16286
        * config/rs6000/altivec.h: Replace bool by __bool and pixel by
        __pixel.

2004-11-06  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-copyrename.c (rename_ssa_copies): Make it static.

2004-11-06  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/2064.md ("z_int", "z_agen"): Ensure the condition
        matches no insns already matched by other reservations.
        * config/s390/2084.md ("x_int", "x_agen"): Ensure the condition
        matches no insns already matched by other reservations.
        ("x_ss"): Remove, replace by ...
        ("x_cs"): ... this new reservation.  Check type instead of op_type.
        Update bypasses to use x_cs instead of x_ss.
        ("x_nn"): Remove, replace by ...
        ("x_other"): ... this new reservation.  Check type instead of op_type.
        Add x_other and x_branch to bypasses.
        ("x_vs"): New reservation.
        * config/s390/s390.md (attribute "type"): Default according to op_type.
        ("*execute"): Set type to "cs".

2004-11-06  Kazu Hirata  <kazu@cs.umass.edu>

        * fold-const.c (non_lvalue): Don't construct NON_LVALUE_EXPR
        if we are in GIMPLE.

2004-11-06  Hans-Peter Nilsson  <hp@bitrange.com>

        PR rtl-optimization/17933
        * rtlanal.c (dead_or_set_regno_p): Break out common code to...
        (covers_regno_p): New function.  Handle SETs of PARALLEL,
        and defer the rest to...
        (covers_regno_no_parallel_p): New function.

2004-11-06  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (function_arg_record_value_1): Skip
        fields with zero length.
        (function_arg_record_value_2): Likewise.
        (function_arg_record_value_3): Use smallest_mode_for_size
        instead of mode_for_size.
        (function_arg_union_value): Return naked register for unions
        with zero length.

2004-11-06  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (scan_record_type): Handle vector types.
        (function_arg_slotno): Handle vector types specially.
        (function_arg_record_value_1): Split fields with vector type and
        BLKmode into their subparts.
        (function_arg_record_value_2): Likewise.  Be prepared to handle
        more than 2 registers per field.
        (function_arg_union_value): Increment regno inside the loop.
        (function_arg_vector_value): New function.
        (function_arg): Use it to split fields with vector type and
        BLKmode into their subparts and build a PARALLEL.  Treat
        other vector types like floats.
        (function_value): Likewise.
        (sparc_pass_by_reference): Handle vector types.
        (sparc_return_in_memory): Likewise.

2004-11-06  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (find_taken_edge_cond_expr): Remove an "if"
        statement that never triggers.

2004-11-06  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/2064.md ("z_o2", "z_o3"): Remove.
        * config/s390/2084.md ("x_o2", "x_o3"): Remove.
        ("x_fdivd"): Use also for fsqrtd type.
        ("x_fdivs"): Use also for fsqrts type.
        * config/s390/s390.md (attribute "type"): Remove "o2" and "o3" types.
        ("fix_truncdfsi2_ieee"): Set type to "ftoi".
        ("fix_truncdfsi2_ibm"): Set type to "other".
        ("floatdidf2", "floatdisf2"): Do not clobber CC.
        ("floatsidf2", "floatsidf2_ieee"): Likewise.
        ("floatsisf2", "floatsisf2_ieee"): Likewise.
        ("truncdfsf2", "truncdfsf2_ieee"): Only allow "register_operand".
        ("truncdfsf2_ibm"): Only allow "nonimmediate_operand".  Use LER
        instead of LRER.
        ("extendsfdf2_ibm"): Do not set atype.  Set type to "floads".
        ("sqrtdf2"): Set type to "fsqrtd".
        ("sqrtsf2"): Set type to "fsqrts".

2004-11-06  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-phinodes.c (remove_all_phi_nodes_for): Speed up using a
        pointer to the last PHI node in the new PHI chain.

2004-11-06  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (prepare_move_operands): Emit a use of r12
        for non-PIC TLS_MODEL_INITIAL_EXEC case.

2004-11-06  Kazu Hirata  <kazu@cs.umass.edu>

        * expmed.c: Fix a comment typo.

2004-11-06  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>

        PR target/18106
        * config/i386/cygming.h
        [HAVE_GAS_WEAK] (ASM_WEAKEN_LABEL): Macro defined.

2004-11-06  Kazu Hirata  <kazu@cs.umass.edu>

        * config/sh/sh4a.md: Fix copyright.

2004-11-06  Kazu Hirata  <kazu@cs.umass.edu>

        * config/rs6000/darwin.md, config/sh/sh4a.md: Replace GNU CC
        with GCC.

2004-11-05  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (scc patterns): Replace subfc with subf
        when carry not used.  Suggested by Torbjorn Granlund.

        * config/rs6000/rs6000.c (rs6000_emit_move): Don't force_reg
        operand[1] unnecessarily.  Suggested by Eric Christopher.
        (rs6000_adjust_cost): Increase latency of store to wider load.
        (rs6000_rtx_costs): mulli only allows 16-bit constants.

2004-11-05  Stan Shebs  <shebs@apple.com>

        * config/rs6000/rs6000.c (machopic_output_stub): Output
        ldu instead of lwzu for 64-bit stubs.

2004-11-05  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_expand_unaligned_load): Special case
        size 2 with BWX.
        (alpha_expand_unaligned_store): Likewise.

2004-11-05  Richard Henderson  <rth@redhat.com>

        * expmed.c (extract_force_align_mem_bit_field): New.
        (extract_split_bit_field): Call it.

2004-11-05  Richard Henderson  <rth@redhat.com>

        * ia64.md (UNSPEC_SHRP): New.
        (dshift_count_operand): New.
        (ashrti3, ashrti3_internal, lshrti3, lshrti3_internal, shrp): New.
        * ia64.c (rtx_needs_barrier): Handle UNSPEC_SHRP.

2004-11-05  Joseph S. Myers  <joseph@codesourcery.com>

        * c-typeck.c (output_init_element): Return early if value is
        error_mark_node.