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

2004-12-30  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (ia64_function_value): Use PARALLEL for 
        aggregates with XF/XCmode.

2004-12-29  Richard Henderson  <rth@redhat.com>

        * target.h (targetm.calls.arg_partial_bytes): New.
        * target-def.h (TARGET_ARG_PARTIAL_BYTES): New.
        * calls.c (store_unaligned_arguments_into_pseudos): Update for
        partial in bytes.
        (load_register_parameters): Likewise.
        (store_one_arg): Likewise.
        (initialize_argument_information): Use targetm.calls.arg_partial_bytes.
        (emit_library_call_value_1): Likewise.
        * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
        (emit_push_insn): Update for partial in bytes.
        * expr.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
        * function.c (assign_parm_find_entry_rtl): Use
        targetm.calls.arg_partial_bytes.  Update for result in bytes.
        (locate_and_pad_parm): Update for partial in bytes.
        * system.h (FUNCTION_ARG_PARTIAL_NREGS): Poison.
        * targhooks.c (hook_int_CUMULATIVE_ARGS_mode_tree_bool_0): New.
        * targhooks.h (hook_int_CUMULATIVE_ARGS_mode_tree_bool_0): Declare.
        * doc/tm.texi (TARGET_ARG_PARTIAL_BYTES): Rename and update from
        FUNCTION_ARG_PARTIAL_NREGS.

        * config/arc/arc.h, config/c4x/c4x.h, config/i386/i386.h,
        config/i860/i860.h, config/m68hc11/m68hc11.h, config/m68k/m68k.h,
        config/pdp11/pdp11.h, config/s390/s390.h, config/stormy16/stormy16.h, 
        config/xtensa/xtensa.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.

        * config/alpha/alpha.c (alpha_arg_partial_bytes): New.
        (TARGET_ARG_PARTIAL_BYTES): New.
        * config/alpha/alpha.h, config/alpha/unicosmk.h,
        config/alpha/vms.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.

        * config/arm/arm.h (FUNCTION_ARG_PARTIAL_NREGS): Move ...
        * config/arm/arm.c (arm_arg_partial_bytes): ... here.
        (TARGET_ARG_PARTIAL_BYTES): New.

        * config/cris/cris.h (FUNCTION_ARG_PARTIAL_NREGS): Move ...
        * config/cris/cris.c (cris_arg_partial_bytes): ... here.
        (TARGET_ARG_PARTIAL_BYTES): New.

        * config/fr30/fr30.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
        * config/fr30/fr30.c (fr30_arg_partial_bytes): Rename from
        fr30_function_arg_partial_nregs.  Adjust to return bytes.
        (TARGET_ARG_PARTIAL_BYTES): New.
        * config/fr30/fr30-protos.h: Update.

        * config/frv/frv.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
        * config/frv/frv.c (frv_arg_partial_bytes): Rename from 
        frv_function_arg_partial_nregs.  Adjust to return bytes.
        (TARGET_ARG_PARTIAL_BYTES): New.
        * config/frv/frv-protos.h: Update.

        * config/ia64/ia64.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
        * config/ia64/ia64.c (ia64_arg_partial_bytes): Rename from
        ia64_function_arg_partial_nregs.  Adjust to return bytes.
        (TARGET_ARG_PARTIAL_BYTES): New.
        * config/ia64/ia64-protos.h: Update.

        * config/iq2000/iq2000.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
        * config/iq2000/iq2000.c (iq2000_arg_partial_bytes): Rename from
        function_arg_partial_nregs.  Adjust to return bytes.
        (TARGET_ARG_PARTIAL_BYTES): New.
        * config/iq2000/iq2000-protos.h: Update.

        * config/m32r/m32r.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
        * config/m32r/m32r.c (m32r_arg_partial_bytes): Rename from
        function_arg_partial_nregs.  Adjust to return bytes.
        (TARGET_ARG_PARTIAL_BYTES): New.
        * config/m32r/m32r-protos.h: Update.

        * config/mcore/mcore.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
        * config/mcore/mcore.c (mcore_arg_partial_bytes): Rename from
        mcore_function_arg_partial_nregs.  Adjust to return bytes.
        (TARGET_ARG_PARTIAL_BYTES): New.
        * config/mcore/mcore-protos.h: Update.

        * config/mips/mips.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
        * config/mips/mips.c (mips_arg_partial_bytes): Rename from
        function_arg_partial_nregs.  Adjust to return bytes.
        (TARGET_ARG_PARTIAL_BYTES): New.
        * config/mips/mips-protos.h: Update.

        * config/mn10300/mn10300.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
        * config/mn10300/mn10300.c (mn10300_arg_partial_bytes): Rename from     
        function_arg_partial_nregs.  Adjust to return bytes.
        (TARGET_ARG_PARTIAL_BYTES): New.
        * config/mn10300/mn10300-protos.h: Update.

        * config/ns32k/ns32k.h (FUNCTION_ARG_PARTIAL_NREGS): Move ...
        * config/ns32k/ns32k.c (ns32k_arg_partial_bytes): ... here.
        (TARGET_ARG_PARTIAL_BYTES): New.

        * config/pa/pa.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
        * config/pa/pa.c (pa_arg_partial_bytes): Rename from 
        function_arg_partial_nregs.  Handle 32-bit.  Adjust to return bytes.
        (TARGET_ARG_PARTIAL_BYTES): New.
        * config/pa/pa-protos.h: Update.

        * config/rs6000/rs6000.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
        * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Rename from 
        function_arg_partial_nregs.  Adjust to return bytes.
        (TARGET_ARG_PARTIAL_BYTES): New.
        * config/rs6000/rs6000-protos.h: Update.

        * config/sh/sh.h (FUNCTION_ARG_PARTIAL_NREGS): Move ...
        * config/sh/sh.c (sh_arg_partial_bytes): ... here.
        (TARGET_ARG_PARTIAL_BYTES): New.

        * config/sparc/sparc.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
        * config/sparc/sparc.c (sparc_arg_partial_bytes): Rename from
        function_arg_partial_nregs.  Adjust to return bytes.
        (TARGET_ARG_PARTIAL_BYTES): New.
        * config/sparc/sparc-protos.h: Update.

        * config/v850/v850.h (FUNCTION_ARG_PARTIAL_NREGS): Remove.
        * config/v850/v850.c (v850_arg_partial_bytes): Rename from
        function_arg_partial_nregs.  Adjust to return bytes.
        (TARGET_ARG_PARTIAL_BYTES): New.
        * config/v850/v850-protos.h: Update.

2004-12-30  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.h (ASM_OUTPUT_INTERNAL_LABEL): Define.
        * config/mmix/mmix.c (mmix_asm_output_internal_label): New
        function.
        * config/mmix/mmix-protos.h (mmix_asm_output_internal_label):
        Prototype.

2003-12-29  Richard Henderson  <rth@redhat.com>

        * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): True.

2004-12-29  Jeff Law  <law@redhat.com>

        * tree-outof-ssa.c (insert_backedge_copies): New function.
        (rewrite_out_of_ssa): Use it.

2004-12-29  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/18179
        * tree-vectorizer.c (vect_get_base_and_offset): Call get_inner_reference
        and vect_analyze_offset_expr.
        (vect_create_addr_base_for_vector_ref): Build address_base by combining 
        base and initial_offset fields of vect_stmt_info.
        (vect_update_inits_of_dr): Update offset of data-ref instead of its
        access-fn. Remove argument.
        (vect_update_inits_of_drs): Call vect_update_inits_of_dr with new
        arguments.
        (vect_compute_data_ref_alignment): Check misalignment info in 
        vect_stmt_info. Remove argument.
        (vect_compute_data_refs_alignment): Call vect_compute_data_ref_alignment
        with correct argument.
        (vect_analyze_data_ref_access): Check access info in vect_stmt_info.
        (vect_analyze_pointer_ref_access): Update step and initial_offset fields
        of vect_stmt_info.
        (vect_get_memtag_and_dr): Call vect_get_base_and_offset and set the 
        fields of stmt_vec_info.
        (vect_analyze_data_refs): Find vectype and pass it to 
        vect_get_memtag_and_dr.
        (vect_get_first_index): Remove.
        (vect_compute_array_base_alignment): Remove.
        (vect_compute_array_ref_alignment): Remove
        (vect_create_data_ref_ptr): Use TYPE_SIZE_UNIT instead GET_MODE_SIZE.
        (vect_gen_niters_for_prolog_loop): Use TREE_CONSTANT instead 
        host_integerp.
        (vectorizable_load): Use size arithmetics.

2004-12-29  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/18179
        * tree-vectorizer.c (vect_get_base_and_offset): Rename (previous name
        vect_get_base_and_bit_offset).
        (vect_get_memtag_and_dr): Rename (previous name vect_get_symbl_and_dr).

2004-12-29  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/18179
        * tree-vectorizer.h (struct _stmt_vec_info): Add new fields:
        initial_offset, step, misalignment and base_aligned_p and macros
        to access them.
        * tree-vectorizer.c (vect_analyze_offset_expr): New function.
        (new_stmt_vec_info): Initialize the new fields of stmt_vec_info.

        (vect_create_data_ref_ptr): Fix printings.

2004-12-29  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/18179
        * tree-vectorizer.c (vect_get_symbl_and_dr): Reorganize. Add memtag 
        retrieval.
        (vect_analyze_data_refs): Remove memtag retrieval.

2004-12-28  Richard Henderson  <rth@redhat.com>

        PR inline-asm/15740
        * gimplify.c (gimplify_asm_expr): Move resolve asm names ...
        * c-typeck.c (build_asm_expr): ... here.  Validate input
        constraints.  Mark memory inputs addressable.

2004-12-28  Hans-Peter Nilsson  <hp@bitrange.com>

        PR target/18321
        * config/mmix/mmix.c (mmix_expand_epilogue): Change type of
        variable offset to HOST_WIDE_INT.  Remove obsolete comment.  Fix
        spacing.

2004-12-28  Andrew Pinski  <pinskia@physics.uc.edu>

        * fold-const.c (fold_build_cleanup_point_expr): For a RETURN_EXPR,
        we only need a cleanup point expression when the expression on the
        left hand side of the MODIFIY_EXPR inside the return has side
        effects.

2004-12-28  Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vectorizer.c (vect_mark_relevant) First argument changed from
        varray_type to varray_type*.
        (vect_mark_stmts_to_be_vectorized): Pass &worklist instead of worklist
        when calling vect_mark_relevant.

2004-12-28  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
        generate non-offsettable DImode lo_sum addresses.

2004-12-28  Zdenek Dvorak  <dvorakz@suse.cz>

        PR rtl-optimization/19103
        * loop-iv.c (iv_number_of_iterations): Fix typo.

2004-12-28  Andreas Jaeger  <aj@suse.de>

        * genrecog.c (compute_predicate_codes): Avoid warning.

2004-12-27 John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * vax.c (vax_address_cost, vax_rtx_cost): Correct casts.
        (vax_rtx_cost): Handle small offsets for both PLUS and MINUS.

2004-12-27  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (thread_across_edge): Remove broken code to
        avoid threading into a loop.

2004-12-27  Richard Henderson  <rth@redhat.com>

        PR target/17406
        * config/i386/i386.c (ix86_expand_prologue): Add REG_FRAME_RELATED_EXPR
        note for allocate_stack_worker insn.

2004-12-27  Jason Merrill  <jason@redhat.com>

        * doc/tm.texi (TARGET_RELAXED_ORDERING): Document.
        * target.h (struct gcc_target): Add relaxed_ordering field.
        * target-def.h (TARGET_RELAXED_ORDERING): Define default.
        (TARGET_INITIALIZER): Add it.
        * config/alpha/alpha.c (TARGET_RELAXED_ORDERING): Define.
        * config/ia64/ia64.c (TARGET_RELAXED_ORDERING): Define.
        * config/rs6000/rs6000.c (TARGET_RELAXED_ORDERING): Define.
        * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define.

2004-12-27  Roger Sayle  <roger@eyesopen.com>

        PR driver/16118
        * doc/invoke.texi: Document the interaction between -save-temps
        and -x.

2004-12-27  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_eliminate_indexed_memrefs):
        Do not break apart constant pool addresses.
        (rs6000_emit_move): Only force source into REG if target is MEM.

2004-12-27  Mark Mitchell  <mark@codesourcery.com>

        PR c++/19148
        * gimplify.c (gimplify_cond_expr): Add post_p parameter.
        (gimplify_modify_expr_rhs): Adjust call to gimplify_cond_expr.
        (gimplify_expr): Likewise.

2004-12-27  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.h (UNITS_PER_SIMD_WORD): Don't use MMX/3DNOW.

2004-12-26  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_gimplify_va_arg): Also pass the result
        of type_natural_mode to examine_argument.

        * config/i386/i386.md (mov<MMXMODEI>_internal_rex64): New.
        (movv2sf_internal_rex64): New.
        (mov<MMXMODEI>_internal): Use no register preferences at all.
        (movv2sf_internal): Likewise.

2004-12-26  Richard Henderson  <rth@redhat.com>

        * simplify-rtx.c (simplify_relational_operation_1): Don't simplify
        plus/minus across EQ for floating-point.

2004-12-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/17643
        * pa.c (pa_function_ok_for_sibcall): Sibcalls are not ok when
        generating code for the portable runtime.

2004-12-25  Richard Henderson  <rth@redhat.com>

        * expr.c (clear_storage): Validate CONST0_RTX extant.  Special case
        complex modes.

2004-12-25  Zdenek Dvorak  <dvorakz@suse.cz>

        PR rtl-optimization/19078
        * tree-ssa-loop-ivopts.c (determine_use_iv_cost_generic,
        determine_use_iv_cost_outer): Fix computing of cost for the original
        bivs.
        (dump_use): Handle case related_cands == NULL.

2004-12-25  Marek Michalkiewicz  <marekm@amelek.gda.pl>

        PR target/19059
        * config/avr/avr.c (avr_mcu_types): Move attiny{13,2313} from avr4
        to avr2.
        * config/avr/avr.h (LINK_SPEC): Ditto.
        * config/avr/t-avr (MULTILIB_MATCHES): Ditto.

2004-12-25  Alan Modra  <amodra@bigpond.net.au>

        PR target/19137
        * config/rs6000/rs6000.md (movti_power, movti_string): Relax
        operand[1] predicate to input_operand, and add r<-n alternative.
        Move TImode const_double_operand splitter to where it belongs.

2004-12-25  Alan Modra  <amodra@bigpond.net.au>

        PR target/19147
        * config/rs6000/rs6000.md (andsi3_internal7, andsi3_internal8): Delete.

2004-12-24  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.md (*fix_trunc{d,s,h}i_1):
        Rename to *fix_trunc{d,s,h}i_i387.
        (fix_trunc{d,s}fdi2): Reorder tests.

2004-12-24  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR debug/14638

        * tree.h (DECL_DEBUG_ALIAS_OF): New macro.
        * var-tracking.c (track_expr_p): Don't disqualify tracking of variables
        that are aliases of variables we want to track, unless the
        original variable is also ignored for debugging purposes.
        (VARIABLE_HASH_VAL): Use DECL_UID, so that this is deterministic.
        * tree-outof-ssa.c (create_temp): Note who we are a debug alias of.
        * dwarf2out.c (dwarf2out_var_location): Add us to the location of
        the decl we are an alias of.

2004-12-24  Alan Modra  <amodra@bigpond.net.au>

        PR target/19142
        * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Allow
        DFmode for 32-bit again.

2004-12-23  Roger Sayle  <roger@eyesopen.com>

        * reload.c (regno_clobbered_p): Add a gcc_assert that regno
        refers to a hard register.

2004-12-23  Mark Mitchell  <mark@codesourcery.com>

        * gimplify.c (gimplify_modify_expr_rhs): Use types_compatible_p.

2004-12-23  DJ Delorie  <dj@redhat.com>

        * genrecog.c (did_you_mean_codes): New.
        (compute_predicate_codes): Fail unmatched codes.

2004-12-23  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add
        assert for machine=mips for !TARGET_IRIX.
        * config/mips/linux.h: Remove machine=mips assert.
        * config/mips/netbsd.h: Ditto.
        * config/mips/openbsd.h: Ditto.

2004-12-23  Dale Johannesen  <dalej@apple.com>

        * tree.c (iterative_hash_expr):  Canonicalize builtins.

2004-12-23  Alexandre Oliva  <aoliva@redhat.com>

        PR target/16819
        * calls.c (load_register_parameters): Don't call use_regs when
        nregs is zero.

2004-12-23  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR middle-end/17746
        * expr.c (get_inner_reference): Add 'keep_aligning' parameter.
        Break on aligning VIEW_CONVERT_EXPR nodes on STRICT_ALIGNMENT
        platforms only if keep_aligning is true.
        (expand_assignment): Adjust call to get_inner_reference.
        (expand_expr_addr_expr_1): Likewise.
        (expand_expr_real_1): Likewise.
        * dojump.c (do_jump): Likewise.
        * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
        * fold-const.c (optimize_bit_field_compare): Likewise.
        (decode_field_reference): Likewise.
        (split_address_to_core_and_offset): Likewise.
        * tree-ssa-loop-ivopts.c (split_address_cost): Likewise.
        * tree.h (get_inner_reference): Adjust prototype.

2004-12-23  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (override_options): Revert last change
        wrt fancy 387 math.

2004-12-23  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.md (one_cmpl<mode>2, and<mode>3, andnot<mode>3,
        ior<mode>3, iornot<mode>3, xor<mode>3, xornot<mode>3): New macroized
        vector operate patterns.

2004-12-23  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_expand_vector_move): Tidy.
        (ix86_expand_vector_move_misalign): New.
        (ix86_misaligned_mem_ok): Remove.
        (TARGET_VECTORIZE_MISALIGNED_MEM_OK): Remove.
        * config/i386/i386-protos.h: Update.
        * config/i386/i386.md (SSEMODEI): Rename from SSEINT16.
        (MMXMODEI): Rename from MMXINT8.
        (SSEMODE, MMXMODE, movmisalign<mode>): New.

2004-12-23  Mark Mitchell  <mark@codesourcery.com>

        PR c++/16405
        * gimplify.c (gimplify_modify_expr_rhs): Handle
        INDIRECT_REF/ADDR_EXPR combinations.

2004-12-22  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_expand_mov): Split out ...
        (alpha_expand_movmisalign): ... misaligned vector support.
        (TARGET_VECTORIZE_MISALIGNED_MEM_OK): Remove.
        * config/alpha/alpha-protos.h: Update.
        * config/alpha/alpha.md (VEC): New macro.
        (movv8qi, movv4hi, movv2si): Compress with VEC.
        (movv8qi_fix, movv4hi_fix, movv2si_fix): Likewise.
        (movv8qi_nofix, movv4hi_nofix, movv2si_nofix): Likewise.
        (movmisalign<mode>): New.

2004-12-22  Richard Henderson  <rth@redhat.com>

        * optabs.h (OTI_movmisalign, movmisalign_optab): New.
        * optabs.c (init_optabs): Create it.
        * genopinit.c (optabs): Initialize it.
        * expr.c (expand_expr_real_1) <MISALIGNED_INDIRECT_REF>: Use it.
        * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
        * target-def.h (TARGET_VECTORIZE_MISALIGNED_MEM_OK): Remove.
        * target.h (vectorize.misaligned_mem_ok): Remove.
        * targhooks.c (default_vect_misaligned_mem_ok): Remove.
        * doc/md.texi (movmisalign): New.
        * doc/tm.texi (TARGET_VECTORIZE_MISALIGNED_MEM_OK): Remove.

2004-12-22  Richard Henderson  <rth@redhat.com>

        * config/i386/emmintrin.h (_mm_loadh_pd): Don't cast pointer arg
        to __v2si.
        (_mm_storeh_pd, _mm_loadl_pd, _mm_storel_pd): Likewise.
        * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use double* or
        const double* for __builtin_ia32_loadhpd, __builtin_ia32_loadlpd,
        __builtin_ia32_storehpd, __builtin_ia32_storelpd.
        (ix86_expand_builtin): Update to match.
        (ix86_expand_vector_init): Use sse2_loadlpd.
        * config/i386/i386.md (vec_setv2df): Use sse2_loadlpd, sse2_loadhpd.
        (vec_extractv2df): Use sse2_storelpd, sse2_storehpd.
        (sse2_storehpd, sse2_loadhpd, sse2_storelpd, sse2_loadlpd): New.
        (sse2_movhpd): Remove.

2004-12-23  Alan Modra  <amodra@bigpond.net.au>

        PR target/18751
        * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): Return
        false for anything larger than 32 bits in 32-bit code.

2004-12-22  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.md (btsq, btrq, btcq): Fix modes.
        (bt peepholes): Likewise.

        * varasm.c (force_const_mem): Call set_mem_align.

2004-12-22  Richard Henderson  <rth@redhat.com>

        * config/i386/predicates.md (sse_comparison_operator): Fix
        typo in ieee test.
        (arith_or_logical_operator): Downcase codes.

2004-12-23  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/18511
        * reload1.c (emit_output_reload_insns): Check if OLD is a hard
        register before calling regno_clobbered_p.
        * reload.c: Update comment for regno_clobbered_p.

2004-12-22  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (override_options): Respect user disable of
        fancy 387 math, sse, mmx.
        (construct_container): Generate error if we need an sse regster
        and sse has been disabled.
        * config/i386/i386.h (TARGET_SWITCHES): Disabling sse also disables
        later sse generations.  Disabling mmx also disables 3dnow.

2004-12-22  Daniel Berlin  <dberlin@dberlin.org>

        * tree-inline.c (struct inline_data): Remove inlined_fns.
        (expand_call_inline): Remove dead code setting
        inlined_fns.
        (optimize_inline_calls): Remove dead code setting DECL_INLINED_FNS.
        * tree.h (struct tree_decl): Remove inlined_fns.

2004-12-22  Roger Sayle  <roger@eyesopen.com>

        * tree-browser.c: Remove obsolete #ifdef HOST_EBCDIC code.

2004-12-23  Alan Modra  <amodra@bigpond.net.au>

        PR target/18896
        * function.c (split_complex_args): Set DECL_ARTIFICIAL, DECL_IGNORED_P
        for real and imaginary parts if the parm is addressable.
        (assign_parms_unsplit_complex): If parm addressable, save real
        and imaginary parts to a stack temp.  Pass assign_parm_data_all.
        (assign_parms): Adjust assign_parms_unsplit_complex call.

2004-12-22  Daniel Berlin  <dberlin@dberlin.org>

        * tree.h (DECL_PTA_ALIASVAR): Dead.
        (struct tree_decl): Remove alias_var field.

2004-12-22  Nathan Sidwell  <nathan@codesourcery.com>

        * system.h (IN_RANGE): Restore HOST_WIDE_INT cast.
        * tree.h (IS_EXPR_CODE_CLASS): Do not use IN_RANGE.

2004-12-22  Richard Henderson  <rth@redhat.com>
            Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.md (truncdfsf2): Don't create stack temp when
        using sse math only.  Use truncdfsf2_with_temp.
        (truncdfsf2_with_temp): New.
        (truncdfsf_fast_i387): Rename from truncdfsf2_noop.  Add memory
        output alternative.
        (truncdfsf_mixed): Rename from truncdfsf2_1_sse.  Compress duplicate
        alternatives.
        (truncdfsf_fast_sse): Rename from truncdfsf2_2.  Remove f alternative.
        (truncdfsf2_3, truncdfsf2_sse_only): Remove.
        (truncdfsf_i387): Rename from truncdfsf2_1.  Compress duplicates.
        (truncdfsf_fast_mixed): New.
        (truncdfsf splitters): Remove all except the 387 load/store split.
        (truncxfsf2_1, truncxfdf2_1): Unify enable constraint with
        respect to TARGET_SSE2, TARGET_80387, TARGET_SSE_MATH and
        TARGET_MIX_SSE_I387.
        (*truncxf{s,d}f2_1): Rename to *truncxf{s,d}f2_mixed.
        (truncxf{s,d}f2_noop) Rename to truncxf{d,s}f2_i387_noop.
        (*truncxf{s,d}f2_i387): New patterns.
        (*truncxf{s,d}f2_2): Rename to *truncxf{s,d}f2_i387_1.
        (truncxf{s,d}f2, fmod{s,d}f3, drem{s,d}f3, log1p{s,d}f2,
        rint{s,d}f2, floor{s,d}f2, ceil{s,d}f2, btrunc{s,d}f2,
        nearbyint{s,d}f2): Use renamed patterns.

2004-12-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree.h (TYPE_SIZES_GIMPLIFIED): New.
        * function.c (gimplify_parm_type): Don't gimplify type if already done.
        * gimplify.c (gimplify_decl_expr): Likewise.
        (gimplify_type_sizes): Set TYPE_SIZES_GIMPLIFIED.  Examine nested
        array types.

2004-12-22  Richard Henderson  <rth@redhat.com>

        * gimplify.c (eval_save_expr): Remove.
        (gimplify_one_sizepos): Unshare expr before gimplifying.
        * stor-layout.c (variable_size): Revert 2004-12-19 change.
        (layout_decl): Revert 2004-12-18 change.
        (layout_type): Revert 2004-12-21 change.

2004-12-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree-sra.c (type_can_be_decomposed_p): Reject variable sized types.

2004-12-22  Mark Mitchell  <mark@codesourcery.com>

        * Makefile.in (install-common): Remove special-case code for when
        SPECS is defined.

2004-12-22  Jan Beulich  <jbeulich@novell.com>

        * config.gcc: Add dbxelf.h to NetWare's tm_file.
        * config/i386/netware-crt0.c: Prototype __init_environment and
        __deinit_environment prior to their definition.
        (__init_environment): Correct invokation of constructor function.
        * config/i386/netware.h (TARGET_OS_CPP_BUILTINS): Use
        builtin_define_std rather than builtin_define on IAPX386.
        * config/i386/nwld.h: Disable stabs debugging info with the linker
        this file supports.
        * config/i386/t-nwld (SHLIB_LINK): Do not use a temporary file for
        the output. Add -posix to the options as that is the more compatible
        mode.
        * gthr-nks.h: Formatting.
        (__gthread_mutex_init_function): Kill the dubious use of
        NX_MUTEX_RECURSIVE as it is now clear that the traditional mutexes
        were not meant to be recursive.
        (__gthread_recursive_mutex_t, __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
        __gthread_recursive_mutex_init_function,
        __gthread_recursive_mutex_lock, __gthread_recursive_mutex_trylock,
        __gthread_recursive_mutex_unlock): New.

2004-12-22  Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/t-linux64: Remove code that messed with $(SPECS).
        (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_OSDIRNAMES): Move
        n32 to the front.
        (MULTILIB_EXTRA_OPTS, CRTSTUFF_T_CFLAGS, CRTSTUFF_T_CFLAGS_S):
        Removed.
        * config/mips/linux64.h (DRIVER_SELF_SPECS): Don't handle
        -mabi-fake-default.
        (SUBTARGET_TARGET_SWITCHES): Likewise.

2004-12-21  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c++/18984
        * pointer-set.c (pointer_set_contains): Add back.
        * pointer-set.h (pointer_set_contains): Add back.

2004-12-21  Richard Henderson  <rth@redhat.com>

        * gimplify.c (eval_save_expr): New.
        (gimplify_one_sizepos): Use it.
        * stor-layout.c (layout_type): Unshare TYPE_MIN/MAX_VALUE.

2004-12-21  Nathan Sidwell  <nathan@codesourcery.com>

        * system.c (IN_RANGE): Use plain unsigned, not unsigned
        HOST_WIDE_INT.
        * tree.def (VOID_TYPE, INTEGER_TYPE, REAL_TYPE, COMPLEX_TYPE,
        VECTOR_TYPE, OFFSET_TYPE, ENUMERAL_TYPE, BOOLEAN_TYPE, CHAR_TYPE,
        POINTER_TYPE, REFERENCE_TYPE, METHOD_TYPE, FUNCTION_TYPE,
        FILE_TYPE, ARRAY_TYPE, RECORD_TYPE, UNION_TYPE,
        QUAL_UNION_TYPE): Reorder for better code efficiency.
        (CONST_DECL, TYPE_DECL, VAR_DECL, FIELD_DECL, PARM_DECL): Likewise.
        (INDIRECT_REF, ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF): Likewise.
        * tree.h (INDIRECT_REF_P): Reorder checks for better optimization.
        (IS_EXPR_CODE_CLASS): Use IN_RANGE.
        (INTEGRAL_TYPE_P, FLOAT_TYPE_P): Reorder checks for better
        optimization.

2004-12-21  David O'Brien  <obrien@FreeBSD.org>

        * config/freebsd-spec.h:  Use KSE pthread lib for -pthread.

2004-12-21  James A. Morrison  <phython@gcc.gnu.org>

        PR c/18963
        * c-decl.c (pushdecl): Remove block trying to merge static function
        declarations at block scope to file scope declarations.

2004-12-21  James A. Morrison  <phython@gcc.gnu.org>

        PR c/18596
        * c-parse.in (initdcl): Don't process a declaration if start_decl fails.
        (notype_initdcl):  Don't process a declaration if start_decl fails.
        * c-decl.c (start_decl): Fail if grokdeclarator fails.
        (grokdeclarator): Fail if a function definition has an invalid storage
        class.
        * c-typeck.c (start_init): Treat error_mark_node the same as 0.

2004-12-21  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (x86_sse_split_regs): Rename from
        x86_sse_partial_regs.
        * config/i386/i386.h (x86_sse_split_regs): Likewise.
        (TARGET_SSE_SPLIT_REGS): Rename from TARGET_SSE_PARTIAL_REGS.
        * config/i386/i386.md (*): Update to match.  Remove two
        floatsisf splitters that use it.

        * config/i386/i386.h (x86_sse_partial_regs_for_cvtsd2ss): Remove.

        * config/i386/i386.c (x86_sse_partial_regs_for_cvtsd2ss): Remove.
        * config/i386/i386.h (TARGET_SSE_PARTIAL_REGS_FOR_CVTSD2SS): Remove.
        * config/i386/i386.md (truncdfsf2_1_sse): Don't test it.
        (truncdfsf2_2, truncdfsf2_sse_only): Likewise.
        (truncdfsf2_1_sse_nooverlap, truncdfsf2_2_nooverlap): Remove.
        (truncdfsf2_sse_only_nooverlap): Remove.

        * config/i386/i386.h (TARGET_SSE_TYPELESS_LOAD0): Remove.

2004-12-21  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * expr.c (emit_group_load_1): Return the source if the move
        is a regular move between complex values.

2004-12-20  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/18683
        * config/rs6000/rs6000.c (current_file_function_operand): Only check
        current_function_decl's DECL_RTL if it has already been set.

2004-12-20  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/18683
        * function.c (pop_function_context_from): Don't reset reg_renumber.

2004-12-20  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR middle-end/18776
        * expr.c (write_complex_part): Use a subreg if the original object
        is a hard reg that spans an even number of regs or a MEM.
        (read_complex_part): Likewise.

2004-12-20  Mark Mitchell  <mark@codesourcery.com>

        * Makefile.in (install-common): Do not install the specs file
        unless SPECS is defined.

2004-12-20  Zdenek Dvorak  <dvorakz@suse.cz>

        PR rtl-optimization/18942
        * simplify-rtx.c (simplify_relational_operation_1): Simplify
        x + cst1 == cst2 to x == cst2 - cst1.  Made static.

2004-12-20  Matt Austern  <austern@apple.com>

        PR c++/19044
        * c-common.c (set_builtin_user_assembler_name): New.
        * c-common.h (set_builtin_user_assembler_name): Declare.
        * c-decl.c (finish_decl): Use set_builtin_user_assembler_name

2004-12-20  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/19080

        Merge from tree-cleanup-branch

        * tree-flow-inline.h (clear_call_clobbered): New function.
        * tree-ssa-alias.c (init_alias_info): Call it.

2004-12-20  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.md (sse2_movsd): Remove ix86_binary_operator_ok
        check.

2004-12-20  Steven Bosscher  <stevenb@suse.de>
            Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/18191
        PR middle-end/18965
        PR middle-end/18999
        * expr.c (categorize_ctor_elements_1): Count the total number
        of elements in the constructor.
        (categorize_ctor_elements): Return it in a new argument.
        * tree.h (categorize_ctor_elements): Adjust prototype.
        * gimplify.c (gimplify_init_ctor_eval_range): New.
        (gimplify_init_ctor_eval): Gimplify RANGE_EXPR.
        (gimplify_init_constructor): Block clear the object if the
        constructor has fewer elements than the object type.  Only try
        to add assignments to individual elements when we have to.

2004-12-20  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
        long_long_integer_type_node in building V2DI_type_node.

        * config/i386/emmintrin.h: Use __vector_size__ instead of vector_size.
        * config/i386/mmintrin.h, config/i386/xmmintrin.h: Likewise.

2004-12-20  Ben Elliston  <bje@au.ibm.com>

        * doc/md.texi (Expander Definitions): Use @emph instead of @strong
        around Note: text to workaround a limitation of the Info format.
        * doc/cpp.texi (Invocation): Likewise.
        * doc/cppopts.texi: Likewise.

2004-12-19  Dale Johannesen  <dalej@apple.com>

        * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p):  Don't
        reference operand 1 of ADDR_EXPRs.

2004-12-19  Mark Mitchell  <mark@codesourcery.com>

        * defaults.h (ASM_OUTPUT_INTERNAL_LABEL): New macro.
        * output.h (assemble_name_raw): Declare it.
        * system.h (ASM_OUTPUT_INTERNAL_LABEL): Do not poison it.
        * varasm.c (assemble_name_raw): New function.
        (assemble_name): Use it.
        (default_internal_label): Likewise.
        * config/darwin.c (darwin_asm_output_dwarf_delta): Likewise.
        * doc/tm.texi (ASM_OUTPUT_INTERNAL_LABEL): Document.

2004-12-19  Richard Henderson  <rth@redhat.com>

        PR 18067
        * stor-layout.c (variable_size): Force creation of a SAVE_EXPR.

2003-12-19  Steven Bosscher  <stevenb@suse.de>

        * config/i386/i386.c (ix86_split_to_parts): Use an array with
        four elements for decoding a CONST_DOUBLE on 64 bits targets.

2004-12-19  Bernardo Innocenti  <bernie@develer.com>

        * config/m68k/m68kemb.h (TARGET_OS_CPP_BUILTINS): Remove redundant
        definition of mc68000, already present in TARGET_CPU_CPP_BUILTINS.

2004-12-18  Daniel Berlin  <dberlin@dberlin.org>

        * lambda-code.c (can_convert_to_perfect_nest): Make checking
        match up with what perfect_nestify can actually handle.
        (perfect_nestify): Don't return false in the phi node loop.

2004-12-18  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.md (SSEINT16): New.
        (movv16qi, movv8hi, movv4si, movv2di): Compress via macros.
        (movv16qi_internal, movv8hi_internal, movv4si_internal,
        movv2di_internal): Compress via macros.  Add SSE zero alternative.
        Fix pure SSE alternatives to use 'x' instead of 'Y'.
        (MMXINT8): New.
        (movv8qi, movv4hi, movv2si, movv8qi_internal, movv4hi_internal,
        movv2si_internal): Compress via macros.
        (SSEPUSH, MMXPUSH): New.
        (pushv18qi, pushv8hi, pushv4si, pushv2di, pushti, pushv4sf, pushv2df,
        pushv8qi, pushv4hi, pushv2si, pushv2sf): Compress via macros.

2004-12-18  Richard Henderson  <rth@redhat.com>

        PR middle-end/16417
        * c-decl.c (store_parm_decls): Clarify get_pending_sizes insertion
        comment.
        * c-objc-common.c (c_cannot_inline_tree_fn): Remove pending sizes
        checks.
        * c-tree.h (struct lang_decl): Remove pending_sizes.
        * function.c: Include tree-gimple.h
        (assign_parm_setup_reg): Remove callee-copies code.
        (gimplify_parm_type, gimplify_parameters): New functions.
        (expand_pending_sizes): Remove.
        (expand_function_start): Don't call it.
        * gimplify.c (gimplify_expr): Examine DECL_VALUE_EXPR for PARM_DECL.
        (gimplify_body): Add do_parms argument.  Use gimplify_parameters.
        (gimplify_function_tree): Setup cfun.  Update gimplify_body call.
        * tree-gimple.h (gimplify_body): Update decl.
        * tree-inline.c (initialize_inlined_parameters): Update gimplify_body
        call.
        * tree.h (gimplify_parameters): Declare.
        * Makefile.in (function.o): Depend on TREE_GIMPLE_H.

2004-12-18  Richard Henderson  <rth@redhat.com>

        * c-decl.c (finish_struct): Add DECL_EXPR for variable sized
        structures seen inside functions.

2004-12-18  Richard Henderson  <rth@redhat.com>

        * c-decl.c (grokdeclarator): Save variable array size before
        subtracting 1, rather than after.

2004-12-18  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR middle-end/15486
        * varasm.c (asm_emit_uninitialised): Return early if
        a custom section is requested.
        (assemble_variable): Revert 2002-03-15 patch.

2004-12-18  Richard Henderson  <rth@redhat.com>

        * stor-layout.c (layout_decl): Use unshare_expr, not unsave_expr.

2004-12-18  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/18800
        * params.def (PARAM_IV_ALWAYS_PRUNE_CAND_SET_BOUND): New parameter.
        * tree-ssa-loop-ivopts.c (struct iv_ca): Add n_cands field.
        (ALWAYS_PRUNE_CAND_SET_BOUND): New macro.
        (iv_ca_set_no_cp, iv_ca_set_cp, iv_ca_new): Update n_cands field.
        (iv_ca_delta_join, iv_ca_delta_reverse, iv_ca_n_cands, iv_ca_prune):
        New functions.
        (iv_ca_extend): Return number of candidates in the set.
        (try_add_cand_for): Add argument to iv_ca_extend calls.
        (try_improve_iv_set): Use iv_ca_prune.
        * doc/invoke.texi (iv-always-prune-cand-set-bound): Document.

2004-12-18  Zdenek Dvorak  <dvorakz@suse.cz>

        PR rtl-optimization/19001
        * loop-iv.c (iv_number_of_iterations): Record assumptions for loops
        with power of two step to 'infinite' field.

2004-12-18  Roger Sayle  <roger@eyesopen.com>

        * Makefile.in (stor-layout.o): Depend upon gt-stor-layout.h.
        (tree-ssa-propagate.o): Depend upon gt-tree-ssa-propagate.h.
        (tree-ssa-operands.o): Depend upon gt-tree-ssa-operands.h.
        (tree-mudflap.o): Depend upon gt-tree-mudflap.h.
        (expr.o): Depend upon gt-expr.h.
        (regclass.o): Depend upon gt-regclass.h.
        (bitmap.o): Depend upon gt-bitmap.h.
        (lists.o): Depend upon gt-lists.h.

        (cfgexpand.o): Don't depend upon gt-tree-cfg.h.

        (GTFILES): Remove fold-const.c.
        (gt-stmt.h, gt-fold-const.h, gt-input.h, gt-tree-ssa-ccp.h):
        Remove rules.

2004-12-18  Richard Henderson  <rth@redhat.com>

        * stor-layout.c (layout_decl): Unshare size expressions copied
        from the type.

        * fold-const.c (multiple_of_p): Handle BIT_AND_EXPR when
        BOTTOM is a power of two.

2004-12-18  Richard Henderson  <rth@redhat.com>

        * tree-nested.c (save_tmp_var): New.
        (struct walk_stmt_info): Add is_lhs.
        (walk_stmts) <MODIFY_EXPR>: Be more accurate with setting of
        val_only; set is_lhs.
        (convert_nonlocal_reference): Use save_tmp_var when is_lhs;
        clear is_lhs when appropriate.
        (convert_local_reference): Likewise.

2004-12-18  Richard Earnshaw  <rearnsha@arm.com>

        * arm/ieee754-sf.S (floatdisf): Fix label definition in FPA
        compatibility code.

2004-12-18  Roger Sayle  <roger@eyesopen.com>

        * ifcvt.c (total_bb_rtx_cost): Rename function to cheap_bb_rtx_cost_p.
        Take a max_cost argument to avoid scanning large blocks, by returning
        a Boolean instead of a total.  Include the cost of a "fstp %st(0)"
        instruction required to pop dead values off of a register stack.

2004-12-18  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/18548
        * expr.c (expand_expr_real_1) <MAX_EXPR>: Ensure that target, op0
        and op1 are all registers (or constants) before expanding the RTL
        comparison sequence [to avoid reg_overlap_mentioned (target, op1)].

2004-12-18  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/16968
        * loop.c (scan_loop): Stop scanning the loop for movable
        insns as soon as an optimization barrier is encountered.

2004-12-17  Zack Weinberg  <zack@codesourcery.com>

        PR 18897
        * toplev.c (compile_file): Call process_pending_assemble_externals
        just before targetm.asm_out.file_end.

2004-12-17  Diego Novillo  <dnovillo@redhat.com>

        tree-optimization/18501
        * tree-optimize.c (init_tree_optimization_passes): Run
        pass_late_warn_uninitialized before the last DCE run.

2004-12-17  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (x86_64_reg_class_name): Re-indent.
        (classify_argument, examine_argument, construct_container,
        merge_classes): Remove prototypes.
        (type_natural_mode): Split out from ...
        (function_arg): ... here.
        (gen_reg_or_parallel): Remove alt_mode argument.  Update callers.
        Use orig_mode unless it's BLKmode.
        (construct_container): Add orig_mode argument.  Update callers.
        Use gen_reg_or_parallel for SSE registers.
        (ix86_function_value): Use type_natural_mode.
        (ix86_gimplify_va_arg): Likewise.
        (ix86_hard_regno_mode_ok): Always accept all SSE, MMX, 3DNOW modes in
        SSE registers; always accept all MMX, 3DNOW modes in MMX registers.
        * config/i386/i386.h (VALID_SSE2_REG_MODE): Don't include
        VALID_MMX_REG_MODE.
        * config/i386/i386.md (attribute mode): Add V1DF.
        (movsi_1): Use 'x' instead of 'Y' constraints.
        (movsi_1_nointernunit, movdi_2, movdi_1_rex64): Likewise.
        (movdi_1_rex64_nointerunit): Likewise.
        (movdf_nointeger, movdf_integer): Likewise.  Handle SSE1.
        (movsf_1, movsf_1_nointerunit): Line up constraint alternatives.
        (swapsf): Use fp_register_operand, don't disable for TARGET_SSE.
        (swapdf): Likewise.
        (swapxf): Enable only for TARGET_80387.
        (movv2sf, movv2sf_internal, pushv2sf): Enable for MMX.
        (movtf): Remove double-check for TARGET_64BIT.
        (movv2df_internal): Enable for SSE1.
        (movv8hi_internal, movv16qi_internal): Likewise.
        (movv2df, movv8hi, movv16qi): Likewise.
        (pushv2di, pushv8hi, pushv16qi, pushv4si): Likewise.
        (pushdi2_rex64, movv4sf_internal, movv4si_internal, movv2di_internal,
        movv8qi_internal, movv4hi_internal, movv2sf_internal,
        movv2df_internal, movv8hi_internal, movv16qi_internal,
        movti_internal): Add leading '*' to name.

2004-12-17  Dale Johannesen  <dalej@apple.com>

        * c-decl.c (diagnose_mismatched_decls):  Accept mismatched
        function types: void with previous implicit int.

2004-12-17  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (s390_gimplify_va_arg): Set alias set to
        s390_sr_alias_set.

2004-12-17  Jan Beulich  <jbeulich@novell.com>

        PR target/17603
        * config/i386/i386.c (enum x86_64_reg_class): Define
        X86_64_COMPLEX_X87_CLASS.
        (x86_64_reg_class_names): Add name for X86_64_COMPLEX_X87_CLASS.
        (merge_classes): Handle X86_64_COMPLEX_X87_CLASS.
        (classify_argument): XCmode is X86_64_COMPLEX_X87_CLASS.
        (examine_argument): X86_64_COMPLEX_X87_CLASS requires two
        registers when dealing with a return value.
        (construct_container): Handle X86_64_COMPLEX_X87_CLASS.
        Eliminate impossible case of two X87/X87UP pairs (this now is
        being expressed by a single COMPLEX_X87).
        (x86_libcall_value): XCmode gets returned in st0/st1.

2004-12-17  Steven Bosscher  <stevenb@suse.de>

        * tree.c (type_contains_placeholder_1): Always return false
        for VECTOR_TYPE if its TREE_TYPE does not contain a placeholder.

2004-12-17  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.md (extendsfdf2, *extendsfdf2_1,
        *extendsfdf2_1_sse_only): Unify enable constraint with
        respect to TARGET_SSE2, TARGET_80387, TARGET_SSE_MATH
        and TARGET_MIX_SSE_I387.
        (*extendsfdf2_i387): New insn pattern.
        (*extendsfdf2_1): Rename to *extendsfdf2_mixed. Fix
        register constraint for operand 0.
        (*extendsfdf2_1_sse_only): Rename to *extendsfdf2_sse.
        (*extend{s,d}fxf2_1): Rename to *extend{s,d}fxf2_i387.

2004-12-16  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/19041
        * config/darwin.c (machopic_symbol_defined_p): Return false
        if the binds local and is a common symbol.

2004-12-16  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.md (extv, extzv, insv): Revalidate the
        operand with ext_register_operand.

2004-12-16  Kazu Hirata  <kazu@cs.umass.edu>

        * global.c: Fix a comment typo.

2004-12-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
            Roger Sayle  <roger@eyesopen.com>

        PR tree-optimization/18707
        * cfgloopmanip.c (create_preheader): Move the preheader
        only if the latch was falling through to the header.

2004-12-16  Danny Smith  <dannysmith@users.sourceforge.net>

        PR target/18997
        * config/i386/cygwin.h (GTHREAD_USE_WEAK): Define to 0.

2004-12-16  Richard Henderson  <rth@redhat.com>
            Aldy Hernandez  <aldyh@redhat.com>

        * simplify-rtx.c (simplify_replace_rtx): Do not blindly replace
        hard registers.

2004-12-16  H.J. Lu  <hongjiu.lu@intel.com>

        PR other/18508
        * config/alpha/t-osf4 (SHLIB_LINK): Use `.backup' as the suffix
        to back up the existing shared library.
        * config/arm/t-netbsd (SHLIB_LINK): Likewise.
        * config/mips/t-slibgcc-irix (SHLIB_LINK): Likewise.
        * config/pa/t-hpux-shlib (SHLIB_LINK): Likewise.
        * config/sh/t-linux (SHLIB_LINK): Likewise.
        * config/t-libunwind-elf (SHLIBUNWIND_LINK): Likewise.
        * config/t-slibgcc-darwin (SHLIB_LINK): Likewise.
        * config/t-slibgcc-elf-ver (SHLIB_LINK): Likewise.
        * config/t-slibgcc-sld (SHLIB_LINK): Likewise.

        * config/i386/t-nwld (SHLIB_LINK): Don't use the temporary
        file.

2004-12-16  Richard Henderson  <rth@redhat.com>

        * Makefile.in (MD_DEPS, s-mddeps): New.
        (s-config, s-conditions, s-flags, s-codes, s-constants, s-emit,
        s-recog, s-opinit, s-extract, s-peep, s-attr, s-attrtab, s-output,
        s-preds): Depend on MD_DEPS instead of md_file.
        (genobjnames): Add genmddeps.o
        (build/genmddeps, build/genmddeps.o): New.
        (mostlyclean): Remove mddeps.mk.
        * genmddeps.c: New file.
        * gensupport.c (include_callback): New.
        (process_include): Call it.
        * gensupport.h (include_callback): Declare.

2004-12-16  Nathan Sidwell  <nathan@codesourcery.com>

        * local-alloc.c (block_alloc): Replace IN_RANGE with simple
        comparison.

        * doc/c-tree.texi (CONSTRUCTOR): Mention RANGE_EXPRs.

2004-12-16  Mark Dettinger  <dettinge@de.ibm.com>

        * config/s390/s390.c (struct processor_costs): Two new fields:
        madbr, maebr.
        (s390_rtx_costs): Added handling of multipy and add in SFmode.
        More precise values for cost of multiply and add.

2004-12-15  Richard Henderson  <rth@redhat.com>

        PR target/19028
        * config/i386/i386.md (sse compare splitter): Test for SF and DFmode
        explicitly instead of using VALID_SSE_REG_MODE.

2004-12-15  Richard Henderson  <rth@redhat.com>

        PR target/19005
        * config/i386/i386.md (swaphi_1): Swap with swaphi_2, allow with
        optimize_size.
        (swapqi_1): Rename from swapqi.  Enable only for no partial reg
        stall and optimize_size.
        (swapqi_2): New.
        (swaphi_1, swaphi_2, swapqi_1): Add athlon_decode.
        (swapsi, swaphi_1, swaphi_2, swapqi_1, swapdi): Remove modrm override.

2004-12-16  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.md (*floathisf2_i387, *floathidf2_i387):
        Also enable for TARGET_MIX_SSE_I387.

2004-12-16  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.md (sqrt{s,d}f2_1, sqrt{s,d}f2_1_sse_only,
        sqrt{s,d}f2_i387): Unify enable constraint with respect to
        TARGET_SSE, TARGET_SSE2, TARGET_USE_FANCY_MATH_387,
        TARGET_SSE_MATH and TARGET_MIX_SSE_I387.
        (sqrt{s,d}f2_1): Rename to *sqrt{s,d}f2_mixed.
        (sqrt{s,d}f2_1_sse_only): Rename to *sqrt{s,d}f2_sse.
        (sqrt{s,d}f2_i387): Rename to *sqrt{s,d}f2_i387.
        (*sqrtextendsfdf2): Also enable for TARGET_MIX_SSE_I387.
        (*sqrtextend?f?f2): Rename to *sqrtextendsfdf2_i387.

2004-12-16  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.md (*fop_?f_comm_{,sse,nosse},
        *fop_?f_1_{,sse,nosse}, *fop_{d,x}f_{2,3,4,5,6}): Unify enable
        constraint with respect to TARGET_80387, TARGET_SSE, TARGET_SSE2,
        TARGET_SSE_MATH and TARGET_MIX_SSE_I387.
        (*fop_?f_{comm,1}): Rename to *fop_?f_{comm,1}_mixed.
        (*fop_?f_{comm,1}_nosse): Rename to *fop_?f_{comm,1}_i387.
        (*fop_{d,x}f_{2,3,4,5,6}): Rename to *fop_{d,x}f_{2,3,4,5,6}_i387.

2004-12-15  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/18153
        * configure.ac: Define HAVE_LD_STATIC_DYNAMIC if linker supports
        -Bstatic/-Bdynamic option.
        * config.in: Regenerated.
        * configure: Likewise.

        * gcc.c (init_spec): Pass -Bstatic/-Bdynamic to ld for static
        -lunwind if possible.

2004-12-15  Daniel Berlin  <dberlin@dberlin.org>

        * cfgloop.c (flow_loops_dump): Don't print out levels.
        (flow_loops_find): Don't set loop->levels.
        (flow_loops_level_compute): Make void.
        * cfgloop.h (struct loops): Remove levels member.
        Add comment about loops in parray possibly being NULL.

2004-12-15  Alexandre Oliva  <aoliva@redhat.com>

        * reload.c (SMALL_REGISTER_CLASS_P): New.
        (push_secondary_reload, find_reusable_reload, find_reloads): Use
        it instead of testing only the class size.

2004-12-15  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR c++/17972
        * tree-inline.c (expand_call_inline): Set TREE_SIDE_EFFECTS
        on the STMT_EXPR wrapping up the inlined body.

2004-12-15  Vladimir Makarov  <vmakarov@redhat.com>
            Steven Bosscher  <stevenb@suse.de>
        PR middle end/17340

        * global.c: Update comments in a few places.
        (check_earlyclobber): Return true if there are early clobber
        classes.
        (calculate_local_reg_bb_info): Do not try to mark earlyclobber
        regs if there are none.
        (bb_info, allocate_bb_info, free_bb_info, modify_reg_pav,
        make_accurate_live_analysis): Rename pavin, pavout to live_pavin,
        live_pavout.
        (modify_bb_reg_pav): Remove.
        (calculate_reg_pav): Use code from modify_bb_reg_pav.
        (temp_bitmap): New variable.
        (calculate_reg_pav): Allocate/deallocate temp_bitmap.

2004-12-15  Richard Henderson  <rth@redhat.com>

        PR target/19010
        * config/i386/i386.c (ix86_must_pass_in_stack): Don't return true
        for TImode vectors.
        (gen_reg_or_parallel): New.
        (function_arg): Use it.
        (ix86_hard_regno_mode_ok): Test SSE1 and SSE2 separately,
        MMX and 3DNOW separately.
        (ix86_rtx_costs): Simplify FLOAT_EXTEND case.
        (ix86_vector_mode_supported_p): Test SSE1 and SSE2 separately.
        * config/i386/i386.h (VALID_SSE2_REG_MODE): Move SSE2 cases from ...
        (VALID_SSE_REG_MODE): ... here.

2004-12-15  David Edelsohn  <edelsohn@gnu.org>

        * xcoffout.c (xcoffout_declare_function): Change strncpy to memcpy.

2004-12-15  Ian Lance Taylor  <ian@wasabisystems.com>

        * config/arm/arm.c (arm_xscale_rtx_costs): Increase cost of
        COMPARE of MULT.
        * config/arm/arm.md (mulsi3_compare0): Don't check
        arm_arch_xscale.
        (mulsi_compare0_scratch, mulsi3_addsi_compare0): Likewise.
        (mulsi3addsi_compare0_scratch): Likewise.

2004-12-15  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR other/18665
        * libgcc-std.ver (GCC_3.4.4): Inherit from GCC_3.4.2.
        Export __absvti2, __addvti3, __mulvti3, __negvti2 and __subvti3.
        * libgcc2.c (__addvsi3): Rename to __addvSI3.
        New version if COMPAT_SIMODE_TRAPPING_ARITHMETIC.
        (__addvdi3): Rename to __addvDI3.
        (__subvsi3): Rename to __subvSI3.  Use word type for the result.
        New version if COMPAT_SIMODE_TRAPPING_ARITHMETIC.
        (__subvdi3): Rename to __subvDI3.
        (_mulvsi3): Rename to _mulvSI3.
        New version if COMPAT_SIMODE_TRAPPING_ARITHMETIC.
        (_mulvdi3): Rename to _mulvDI3.
        (__negvsi2): Rename to __negvSI2.
        New version if COMPAT_SIMODE_TRAPPING_ARITHMETIC.
        (__negvdi2): Rename to __negvDI2.
        (__absvsi2): Rename to __absvSI2.
        New version if COMPAT_SIMODE_TRAPPING_ARITHMETIC.
        (__absvdi2): Rename to __absvDI2.
        * libgcc2.h (64-bit targets): Define COMPAT_SIMODE_TRAPPING_ARITHMETIC.
        (__absvSI2, __addvSI3, __subvSI3, __mulvSI3, __negvSI2, __absvDI2,
        __addvDI3, __subvDI3, __mulvDI3, __negvDI2): Define to the appropriate
        symbol and declare.
        (__absvsi2, __addvsi3, __subvsi3, __mulvsi3, __negvsi2): Declare if
        COMPAT_SIMODE_TRAPPING_ARITHMETIC.

2004-12-15  Kazuhiro Inaoka <inaoka.kazuhiro@reneasas.com>

        * config/m32r/m32r.h (PREFERRED_DEBUGGING_TYPE):
        Use DWARF2_DEBUG.

        * config/m32r.c (m32r_legitimize_pic_address): Changed
        to support GOTOFF relocation.
        * config/m32r.md (UNSPEC_GOTOFF): New.
        (gotoff_load_addr): New.

2004-12-15  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_arg_info): Use FUNCTION_ARG_BOUNDARY to
        decide whether an argument is double-word aligned.

2004-12-15  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.md: Fix missing modes on cmove splitters.

2004-12-15 Jan Beulich  <jbeulich@novell.com>

        * mklibgcc.in (libgcc2_c_dep): Add dependency on libgcc2.h.

2004-12-15  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.md (floathisf2, *floathisf2_1, floatsisf2,
        *floatsisf2_i387, *floatsisf2_sse, floatdisf2,
        *floatdisf2_i387_only, *floatdisf2_i387, *floatdisf2_sse,
        floathidf2, *floathidf2_1, *floatsidf2_i387, *floatsidf2_sse,
        floatdidf2, *floatdidf2_i387_only, *floatdidf2_i387,
        *floatdidf2_sse, floatunssisf2, floatunsdisf2, floatunsdidf2):
        Unify enable constraint with respect to TARGET_80387, TARGET_SSE,
        TARGET_SSE2, TARGET_64BIT, TARGET_SSE_MATH and TARGET_MIX_SSE_I387.
        (*float?i?f_i387): Rename to *float?i?f2_mixed.
        (*float?i?f2_1): Rename to *float?i?f2_i387.
        (*float?i?f2_i387_only): Rename to *float?i?f2_i387.
        (float?ixf2): Penalize integer register operand.

2004-12-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR c++/17242
        * configure.ac: Add GAS check for HP-UX .nsubspa comdat.
        * configure, config.in: Rebuilt.
        * config/pa/pa-hpux10.h (SUPPORTS_ONE_ONLY, MAKE_DECL_ONE_ONLY): Delete
        defines.
        * config/pa/pa.c (pa_select_section): Allow uninitialized variables in
        one-only (comdat) subspaces.
        * config/pa/som.h (SUPPORTS_SOM_COMDAT): New define.
        (SUPPORTS_ONE_ONLY): True if SUPPORTS_WEAK or SUPPORTS_SOM_COMDAT are
        true.
        (MAKE_DECL_ONE_ONLY): Place uninitialized variables in common.

2004-12-14  Ian Lance Taylor  <ian@wasabisystems.com>

        * combine.c (combine_validate_cost): Consider cost of
        undobuf.other_insn rather than always allowing the recombination
        if it is set.

2004-12-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa-host.c (MAP_FAILED): Define if not defined.
        (pa_gt_pch_use_address): Handle short reads.

2004-12-14  Richard Henderson  <rth@redhat.com>

        PR target/17990
        * config/i386/i386.c (x86_use_bt): New.
        (ix86_expand_unary_operator): Use MEM_P.
        (ix86_expand_fp_absneg_operator): New.
        * config/i386/i386.h (x86_use_bt): Declare.
        (TARGET_USE_BT): New.
        * config/i386/i386-protos.h: Update.
        * config/i386/i386.md (negsf2): Use ix86_expand_fp_absneg_operator.
        (negdf2, negxf2, abssf2, absdf2, absxf2): Likewise.
        (negsf2_memory, negsf2_ifs, negsf2_if, negdf2_memory, negdf2_ifs,
        negdf2_ifs_rex64, negdf2_if, negdf2_if_rex64, negxf2_if,
        abssf2_memory, abssf2_ifs, abssf2_if, absdf2_memory, absdf2_ifs,
        absdf2_ifs_rex64, absdf2_if, absxf2_if): Remove.
        (absnegsf2_mixed, absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed,
        absnegdf2_sse, absnegdf2_i387, absnegxf2_i387): New.  Merge all
        neg and abs splitters.  Handle DFmode in general regs in 64-bit mode.
        (negextendsfdf2, absextendsfdf2): Disable for non-mixed sse math.
        (btsq, btrq, btcq): New.  Add peepholes as well.
        (movv4sf_internal splitter): Postpone til after reload.
        (movv2di_internal splitter): Likewise.
        * config/i386/predicates.md (const_0_to_63_operand): New.
        (absneg_operator): New.

2004-12-14  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.h (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_FP_P):
        Check register number and that reg_renumber is nonzero before using it.

2004-12-14  Steve Ellcey  <sje@cup.hp.com>

        * doc/invoke.texi (IA-64 options): Add existing options that
        weren't already listed.

2004-12-14  Jeff Law  <law@redhat.com>

        * tree-outof-ssa.c (coalesce_abnormal_edges): Pass the correct target
        partition to conflict_graph_merge_regs.

2004-12-14  Uttam Pawar  <uttamp@us.ibm.com>
            Janis Johnson  <janis187@us.ibm.com>

        * rs6000.c (rs6000_handle_altivec_attribute_tree): Report errors
        for vector types with invalid component types.

2004-12-14  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/18951
        * builtins.c (expand_builtin_mathfn, expand_builtin_mathfn_2,
        expand_builtin_mathfn_3): Avoid using arguments passed to
        save_expr after that call.

        * fold-const.c (fold_single_bit_test): If flag_syntax_only, pretend
        LOAD_EXTEND_OP is not defined.
        (fold): Likewise.  If flag_syntax_only, don't depend on BITS_PER_WORD.

2004-12-14  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>

        * tree.def, doc/c-tree.texi: Correctly document restrictions on the
        shift width.

2004-12-14  Kazu Hirata  <kazu@cs.umass.edu>

        * expr.h (expand_modifier): Define EXPAND_STACK_PARM as 1.

2004-12-14  Richard Earnshaw  <rearnsha@arm.com>

        PR target/18973
        arm-cores.def (arm926ej-s, arm1026ej-s, arm1136j-s, arm1136-jfs)
        (arm1176jz-s, arm1176jzf-s, mpcorenovfp, mpcore): Add load-scheduling
        property to flags.

2004-12-14  Diego Novillo  <dnovillo@redhat.com>

        * tree-gimple.c (get_base_address): Update documentation.

2004-12-13  Richard Henderson  <rth@redhat.com>

        PR middle-end/17930
        * passes.c (rest_of_clean_state): Fix computation of
        preferred_incoming_stack_boundary.

2004-12-13  Wolfgang Bangerth <bangerth@dealii.org>

        * reload.h: Remove struct needs and its only use.

2004-12-13  Roger Sayle  <roger@eyesopen.com>

        PR rtl-optimization/18928
        * simplify_rtx.c (plus_minus_operand_p): New function to encode
        the test for suitable operands for calls to simplify_plus_minus.
        Only allow (CONST (PLUS x y)) if both x and y are CONSTANT_P.
        (simplify_binary_operation): Use plus_minus_operand_p.

2004-12-13  Alexandre Oliva  <aoliva@redhat.com>

        PR tree-opt/16951
        * tree-inline.c (setup_one_parameter): Don't directly map a
        parameter to the address of another variable of the same
        function.

2004-13-12  Steven Bosscher  <stevenb@suse.de>

        * basic-block.h (PROP_POSTRELOAD): Do not include PROP_AUTOINC, we
        can never create autoinc insns after reload.

2004-12-13  Jeff Law  <law@redhat.com>
            Kazu Hirata  <kazu@cs.umass.edu>

        PR tree-optimization/18694
        * tree-ssa-dom.c (thread_across_edge): Do not thread jumps if a
        PHI argument is set from a PHI_RESULT in the same block and the
        PHI argument is not the same as the PHI result.

2004-12-13  David Edelsohn  <edelsohn@gnu.org>

        * xcoffout.c (xcoffout_declare_function): Always strip storage
        class encoding.

2004-12-13  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/18964
        * config/darwin.c (darwin_assemble_visibility): Fix minor diagnostic
        problem, adding a space at the end of the string before concatenation.

2004-12-13  Kazu Hirata  <kazu@cs.umass.edu>

        * c-common.c (fname_as_string): Free namep if we are returning
        cstr.text.

        * tree-ssa-dom.c (record_edge_info): Fix memory leak.

2004-12-13  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree-cfg.c (remove_useless_stmts_cond): Call fold on COND_EXPR_COND.

2004-12-13  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-dom.c (record_equivalences_from_phis): Speed up by
        doing a pointer comparison.

        * tree-ssa-dom.c (record_equivalences_from_phis): Add a
        comment.

        * defaults.h, stmt.c, tree-cfg.c, tree-ssa-dce.c: Fix comment
        typos.

2004-12-13  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>

        * config/m32r/t-linux (SHLIB_MAPFILES): Add libgcc-glibc.ver to
        the list rather than replacing the existing value.

2004-12-13  Richard Henderson  <rth@redhat.com>

        * cfg.c (dump_flow_info): Don't dump pseudo info after reload.

2004-12-13  Richard Henderson  <rth@redhat.com>

        * Makefile.in (insn-preds.o): Depend on REGS_H.
        * genpreds.c (write_insn_preds_c): Include regs.h.
        * config/i386/predicates.md (index_register_operand): Use
        REG_OK_FOR_INDEX_STRICT_P and REG_OK_FOR_INDEX_NONSTRICT_P.

        * config/i386/i386.h (REG_CLASS_FROM_LETTER): Add 'l'.
        * config/i386/i386.md (lea_general_1, lea_general_1_zext,
        lea_general_2, lea_general_2_zext, lea_general_3, lea_general_3_zext,
        adddi_1_rex64, addsi_1, addsi_1_zext, addhi_1_lea, addqi_1_lea,
        ashldi3_1_rex64, ashlsi3_1, ashlsi3_1_zext, ashlhi3_1_lea,
        ashlqi3_1_lea): Use 'l' for index register operand.
        (ashldi3_1_rex64 splitter): Use index_register_operand.
        (ashlsi3_1 splitter): Be more careful with modes.

2004-12-13  Danny Smith  <dannysmith@users.sourceforge.net>

        PR target/18459
        * defaults.h (TARGET_USE_JCR_SECTION): New macro.
        * doc/tm.texi (TARGET_USE_JCR_SECTION): Document it.
        * config/i386/cygming.h (TARGET_USE_JCR_SECTION): Override
        default.

2004-12-13 Uros Bizjak <uros@kss-loka.si>

        PR target/14941
        PR target/18503
        * config/i386/i386.md (sse_movss, sse2_movsd, sse2_movhpd):
        Fix wrong vec_merge selector bitmask.

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

        PR rtl-opt/17186
        * reg-stack.c (move_nan_for_stack_reg): New.
        (subst_stack_regs_pat): Use it.
        (move_for_stack_reg): Handle source register not live with a nan.

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

        * config/i386/i386.c (ix86_gimplify_va_arg): Fix type mismatch
        errors across operations.

2004-12-12  Di-an Jan  <dianj@freeshell.org>

        * doc/passes.texi (Pass Manager): Correct list of source files.

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

        * expr.c (emit_move_change_mode): New.
        (emit_move_via_alt_mode): Use it.

2004-12-12  Nathanael Nerode  <neroden@gcc.gnu.org>
            John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/17564
        * dojump.c (do_compare_and_jump): Only canonicalize function pointers
        in a comparison if both sides are function pointers.

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

        PR target/18932
        * config/i386/i386.md (all splits and peepholes): Use flags_reg_operand
        and compare_operator to propagate the input CC mode to the output.
        * config/i386/predicates.md (compare_operator): New.

2004-12-12  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/18040
        * expr.c (get_inner_reference): Remove NON_LVALUE_EXPR, NOP_EXPR,
        CONVERT_EXPR cases.
        (handled_component_p): Likewise.

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

        * reg-stack.c (convert_regs_2): Free stack.

        * tree-ssa-dom.c (thread_across_edge, dom_opt_finalize_block): Fix
        comment typos.

2004-12-12  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-loop-ch.c (copy_loop_headers): Loop can be null.
        * tree-ssa-loop-im.c (determine_lsm): tree_root may not have a real
        inner loop.

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

        * tree-gimple.c (get_base_address): Update documentation.

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

        * lcm.c (optimize_mode_switching): Free ptr even when mode_set
        is NULL_RTX.

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

        * reg-stack.c (change_stack): Avoid placing the new top-of-stack in
        its correct location during popping if we need to permute the stack
        afterwards.  Attempt to preserve the original stack ordering.

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

        * lcm.c (optimize_mode_switching): Free insert and delete in
        the "for" loop.

2004-12-11  David Edelsohn  <edelsohn@gnu.org>
            Ulrich Weigand  <uweigand@de.ibm.com>

        PR target/18641
        * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Reload all
        constants into all register classes intersecting with FLOAT_REGS
        via memory.
        * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Same.
        * config/rs6000/rs6000.md (movdi_internal32): Ignore FPRs when
        choosing register preferences.
        (movdi_internal64): Same.

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

        * tree-into-ssa.c (rewrite_ssa_into_ssa): Free SSA_NAME_AUX
        before we release an SSA_NAME.

2004-12-11  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/18921
        * fold-const.c (fold_unwidened_comparison): Use omit_one_operand
        instead of constant_boolean_node as arg0 may have side-effects.

2004-12-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa-host.c (pa_gt_pch_use_address): Use lseek and read to copy PCH
        file to anonymous private map.

2004-12-10  Roger Sayle  <roger@eyesopen.com>

        PR target/18002
        PR middle-end/18424
        * dojump.c (do_jump): When attempting to reverse the effects of
        fold_single_bit_test, we need to STRIP_NOPS and narrowing type
        conversions, and handle BIT_XOR_EXPR that's used to invert the
        sense of the single bit test.

2004-12-10  Devang Patel  <dpatel@apple.com>

        PR 18732
        * gcc.c (main): Do not break out of loop when error is reported while
        processing one source file.

2004-12-10  Diego Novillo  <dnovillo@redhat.com>

        * tree-into-ssa.c (REWRITE_THIS_STMT): Define.
        (mark_def_sites): Clear REWRITE_THIS_STMT for statements that
        don't need any operands rewritten.
        (rewrite_stmt): Ignore statements that don't need to be
        rewritten.
        (rewrite_operand): Validate that an existing SSA_NAME is
        identical to the current reaching definition of the operand.

2004-12-10  Diego Novillo  <dnovillo@redhat.com>

        * tree-dfa.c (mark_call_clobbered_vars_to_rename): New function.
        * tree-vectorizer.c (vectorizable_load): Call it.
        * tree-flow.h (mark_call_clobbered_vars_to_rename): Declare.
        * tree-sra.c (mark_all_v_defs): Also mark VUSEs for renaming.

2004-12-10  Kazu Hirata  <kazu@cs.umass.edu>

        * regmove.c (combine_stack_adjustments_for_block): Free
        memlist if it hasn't been freed.

2004-12-10  Ziemowit Laski  <zlaski@apple.com>

        * c-typeck.c (lookup_field): Check if a TYPE_LANG_SPECIFIC
        pointer field is set before dereferencing it.

2004-12-10  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/18903
        * tree-cfg.c (remove_bb): Put the moved label at the beginning
        of the basic block.

2004-12-10  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-data-ref.c (free_data_refs): Free each data_reference
        object.

        * tree-ssa-dom.c (thread_across_edge): Speed up by avoiding a
        call to is_gimple_min_invariant if we know the result.

2004-12-10  Jeff Law  <law@redhat.com>

        * tree-ssa-alias.c (setup_pointers_and_addressables): Remove
        redundant test of v_ann->mem_tag_kind.

        * tree-ssa-operands.c (get_indirect_ref_operands): Remove
        redundant conditional clearing opf_kill_def.

2004-12-10  Richard Sandiford  <rsandifo@redhat.com>

        * config/frv/frv-modes.def: Fix comment typos.
        (CC_NZ): Define new mode.
        * config/frv/frv-protos.h (frv_select_cc_mode): Declare.
        (condexec_intop_cmp_operator): Delete.
        * config/frv/frv.c (comparison_string): New function.
        (frv_print_operand): Use it to handle 'c' and 'C'.
        (relational_operator): Redefine in terms of integer_relational_operator
        and float_relational_operator.
        (signed_relational_operator, unsigned_relational_operator): Delete.
        (integer_relational_operator): New predicate, combining the above.
        Check the mode of the first operand but leave frv.md to check the rest.
        (float_relational_operator): Just check the mode of the first operand
        and leave frv.md to check the rest.
        (intop_compare_operator): Assume the result is compared with zero
        in mode CC_NZmode.  Allow PLUS and MINUS.  Leave frv.md to check
        the operand predicates.
        (condexec_intop_cmp_operator): Delete.
        (frv_ifcvt_modify_tests, frv_ifcvt_modify_multiple_tests)
        (frv_hard_regno_mode_ok): Handle CC_NZmode.
        (frv_select_cc_mode): New function.
        * config/frv/frv.h (SELECT_CC_MODE): Use frv_select_cc_mode.
        (REVERSIBLE_CC_MODE): Include CC_NZmode.
        (PREDICATE_CODES): Replace entries for signed_relational_operand and
        unsigned_relational_operator with one for integer_relational_operator.
        Delete entry for condexec_intop_cmp_operator.
        * config/frv/frv.md (movcc_nz, *internal_movcc_nz, reload_incc_nz)
        (reload_outcc_nz, *cmpsi_cc_nz, *cond_exec_cmpsi_cc_nz): New patterns.
        (*combo_intop_compare2, *combo_intop_compare4): Delete.
        (*combo_intop_compare1): Change mode to CC_NZ.
        (*combo_intop_compare2): Likewise.  Renamed from *combo_intop_compare3.
        (branch_{un,}signed_true, branch_{un,}signed_false)
        (*scc_{un,}signed, *scc_neg1_{un,}signed, *ck_{un,}signed)
        (*movqicc_internal1_{un,}signed, *movqicc_internal2_{un,}signed)
        (*movhicc_internal1_{un,}signed, *movhicc_internal2_{un,}signed)
        (*movsicc_internal1_{un,}signed, *movsicc_internal2_{un,}signed)
        (*movsfcc_has_fprs_{un,}signed, *movsfcc_no_fprs_{un,}signed)
        (*return_{unsigned_,}true, *return_{unsigned_,}false): Merge these
        pattern pairs.  Use integer_relational_operator.  Remove mode from
        icc_operand.

2004-12-10  Mark Dettinger  <dettinge@de.ibm.com>

        * config/s390/s390.c (struct processor_costs): New fields ml,
        sqdbr, sqebr.
        (s390_rtx_costs): Added the missing handling of multiply & add,
        square root, and umulsidi.

2004-12-10  Kazu Hirata  <kazu@cs.umass.edu>

        * expmed.c (synth_mult): Initialize new_limit.latency before
        making a recursive call.

2004-12-10  Nick Clifton  <nickc@redhat.com>

        * config/mn10300/mn10300.c (legitimate_address_p): Reject address
        whose index is itself the sum of two other parts.

2004-12-10  Alan Modra  <amodra@bigpond.net.au>

        * config/t-slibgcc-sld (SHLIB_LINK): Correct symlink.

2004-12-10  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.md (*cmpfp_sf): Change type attribute to "multi".

2004-12-09  Richard Henderson  <rth@redhat.com>

        PR c/18282
        * attribs.c (decl_attributes): Use relayout_decl.
        * c-common.c (handle_mode_attribute): Copy all relevant type
        parameters from the new underlying integral type.

2004-12-09  Richard Henderson  <rth@redhat.com>

        * c-common.c (shorten_compare): Don't special-case min/maxval
        for C enumerations.

2004-12-09  Richard Sandiford  <rsandifo@redhat.com>

        * simplify-rtx.c (simplify_subreg): In the CONCAT case, check whether
        the request subreg is entirely contained in the requested component.
        (simplify_gen_subreg): Return null for CONCATs that are rejected
        by simplify_subreg.
        * expmed.c (store_bit_field): Create a temporary when changing the
        value to an integer mode.

2004-12-09  David Edelsohn  <edelsohn@gnu.org>

        * real.c (ibm_extended): Correct comment.

2004-12-09  Stan Shebs  <shebs@apple.com>

        * config/rs6000/darwin-asm.h: New file, 32/64-bit assembly macros
        formerly in darwin-tramp.asm.
        * config/rs6000/darwin-tramp.asm: Include darwin-asm.h.
        * config/rs6000/darwin-fpsave.asm: Use 32/64-bit macros.
        * config/rs6000/t-darwin: Add dependencies.

2004-12-09  Richard Henderson  <rth@redhat.com>

        PR target/17025
        * config/i386/i386.md (testqi_1_maybe_si, andqi_2_maybe_si): New.
        (test_qi_1, andqi_2): Do not promote to simode.

2004-12-09  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/18904
        * tree-chrec.c (chrec_convert): Use fold_convert
        instead of convert.

2004-12-09  Matt Rice  <ratmice@yahoo.com>

        PR preprocessor/18102
        * c-incpath.c (remove_duplicates): Check for construct
        equality.

2004-12-09  Dorit Naishlos  <dorit@il.ibm.com>

        * genopinit.c (vec_realign_store_optab): Initialization removed.
        * optabs.c (optab_for_tree_code): REALIGN_STORE_EXPR case removed.
        * optabs.h (optab_index): OTI_vec_realign_store Removed.
        (vec_realign_store_optab): Removed.
        * target-def.h (TARGET_VECTORIZE_BUILTIN_MASK_FOR_STORE): Removed.
        * target.h (builtin_mask_for_store): Removed.
        * tree.def (REALIGN_STORE_EXPR): Removed.
        * config/rs6000/rs6000.c (rs6000_builtin_mask_for_store): Removed.
        (altivec_builtin_mask_for_store): Removed.
        (altivec_init_builtins): Removed initialization of
        altivec_builtin_mask_for_store.

        * doc/tm.texi (TARGET_VECTORIZE_MISALIGNED_MEM_OK): New.
        (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): New.

2004-12-09  Nathan Sidwell  <nathan@codesourcery.com>

        * doc/c-tree.texi (CONSTRUCTOR): Mention RANGE_EXPRs.

        * tree.def (SET_TYPE): Remove.
        (CONSTRUCTOR): Update description.
        * builtins.c (type_to_class) Remove SET_TYPE case.
        * dbxout.c (dbxout_type): Likewise.
        * dwarf2out.c (is_base_type): Likewise.
        (gen_set_type_die): Remove.
        (gen_type_die): Remove SET_TYPE case.
        * expr.c (count_type_elements): Likewise.
        (mostly_zeroes_p): Likewise.
        (store_constructor): Likewise.
        * print_tree.c (print_node): Likewise.
        * stor-layout.c (layout_type): Likewise.
        * tree-browser.c (browse_tree): Likewise.
        * tree-inline.c (remap_type): Likewise.
        * tree-pretty-print.c (dump_generic_node): Likewise.
        * tree.c (type_contains_plaeholder_1, type_hash_eq,
        variably_modified_type_p, initializer_zerop): Likewise.
        * tree.h (SET_OR_ARRAY_CHECK): Remove.
        (AGGREGATE_TYPE_P): Remove SET_TYPE check.
        (TYPE_DOMAIN): Use ARRAY_TYPE_CHECK.
        * typeclass.h (enum type_class): Remove set_type_class.
        * varasm.c (const_hash_1): Remove SET_TYPE case.
        (compare_constant, copy_constant, output_constant): Likewise.
        * config/i386/i386.c (classify_argument): Likewise.
        * config/ia64/ia64.c (hfa_element_mode): Likewise.
        * config/sparc/sparc.c (sparc_type_code): Likewise.

        PR c++/16681
        * tree-inline.c (estimate_num_insns_1): Add RANGE_EXPR case.

2004-12-08  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.md: Use FLAGS_REG everywhere.

2004-12-08  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.c (mips_scalar_mode_supported_p): Rewrite
        to avoid call to default function.

2004-12-08  Zack Weinberg  <zack@codesourcery.com>

        PR 17982
        * varasm.c (pending_assemble_externals): New static.
        (assemble_external_real): Meat of assemble_external split out
        to this new function.
        (process_pending_assemble_externals): New function.
        (assemble_external): Use gcc_assert.  If flag_unit_at_a_time
        is true and the basic test passes, merely cons the decl onto
        the pending list to be handled later.
        * tree.h: Declare process_pending_assemble_externals.
        * cgraphunit.c (cgraph_optimize): Call it.

        * config/h8300/h8300.h: Do not define ASM_OUTPUT_EXTERNAL.

2004-12-08  Kazu Hirata  <kazu@cs.umass.edu>

        * cfgloopmanip.c (create_preheader): Speed up by "unrolling"
        and simplifying FOR_EACH_EDGE.

2004-12-08  Richard Sandiford  <rsandifo@redhat.com>

        * config/frv/frv.c (frv_sort_insn_group): Always initialize
        packet_group->nop.

2004-12-08  Nathan Sidwell  <nathan@codesourcery.com>

        PR c++/18672
        * gimplify.c (canonicalize_addr_expr): Cope with array of
        incomplete type.
        (gimplify_conversion): Remove redundant checks.

        * doc/trouble.texi (Non-bugs): Clarify empty loop removal.

2004-12-08  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.c (output_387_binary_op,
        ix86_prepare_fp_compare_args): Fix is_sse condition.

2004-12-07  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386-protos.h (ix86_split_fp_branch): New rtx
        argument.

        * config/i386/i386.c (output_fp_compare): Fix is_sse condition.
        Use EFLAGS_P only when fcomi insn should be used. Fix handling
        of eflags_p variable. Change alt table accordingly. For non-fcomi
        compare insn always use trailing fnstsw insn. Fix intmode
        calculation for ficom insn.
        (ix86_split_fp_branch): Add "rtx pushed" as new parameter. Call
        ix86_free_from_memory when "pushed" is specified.
        (ix86_expand_branch): Change call to ix86_split_fp_branch.

        * config/i386/i386.md (*cmpfp_0_sf, *cmpfp_0_df, *cmpfp_0_xf):
        Change eflags_p parameter in call to output_fp_compare.
        (*cmpfp_2_sf, *cmpfp_2_df, *cmpfp_2_xf): Remove.
        (*cmpfp_2_sf_1, *cmpfp_2_df_1, *cmpfp_2_xf_1): Rename to
        *cmpfp_2_sf, *cmpfp_2_df, *cmpfp_2_xf.  Change eflags_p
        parameter in call to output_fp_compare.
        (*cmpfp_2_u): Remove.
        (*cmpfp_2_u_1): Rename to *cmpfp_2_u. Change eflags_p parameter
        in call to output_fp_compare.
        (*ficom_1): Remove insn definition and corresponding define_split.
        (*cmpfp_si): New insn definition.
        (*fp_jcc_8): New insn definition. Add new splitters for
        "memory_operand" and "register_operand".
        (define_split): Add new parameter in call to ix86_split_fp_branch.

        config/i386/predicates.md (float_operator): New predicate.

2004-12-08  Kazu Hirata  <kazu@cs.umass.edu>

        * c-common.c (verify_tree): Don't check code length if we know
        we are handling tcc_unary.
        * print_tree.c (print_node): Remove code to handle RTL
        appearing as a part of a tree node.
        * tree-gimple.c (recalculate_side_effects): Rename fro as len.
        * tree.c (build1_stat): Don't check TREE_CODE_LENGTH.
        (PROCESS_ARG): Don't refer to fro.
        (build2_stat, build3_stat, build4_stat): Don't compute fro.

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

        PR middle-end/18293
        * expmed.c (EXACT_POWER_OF_2_OR_ZERO_P): Move definition earlier.
        (expand_mult): Special case powers of two to avoid synth_mult.
        * loop.c (product_cheap_p): Handle case where expand_mult does
        require/generate any instructions (i.e. multiplication by zero).

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

        * tree-pretty-print.c (dump_array_domain): Split out from
        dump_generic_node; fix off-by-one error on zero-based array bounds.
        (dump_generic_node): Use it.
        (print_declaration): Likewise.

2004-12-08  Richard Guenther <richard.guenther@uni-tuebingen.de>

        * doc/invoke.texi: Adjust default values for
        large-function-growth and inline-unit-growth to match
        params.def.  Clarify used algorithm.

2004-12-07  David Mosberger  <davidm@hpl.hp.com>

        PR target/18443
        * config/ia64/ia64.c (ia64_assemble_integer): Add support for
        emitting unaligned pointer-sized integers.

2004-12-07  Steven Bosscher  <stevenb@suse.de>

        PR c/18867
        * c-typeck.c (c_start_case): Set orig_type to error_mark_node
        when the type of the controlling expression is not a valid type.

2004-12-07  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/17340
        * tree-ssa-pre.c (compute_antic): Fix comment.
        (compute_avail): Do not recurse, instead do a DFS using a stack
        and a loop.
        (execute_pre): Adjust.

2004-12-07  Ziemowit Laski  <zlaski@apple.com>

        * c-tree.h (struct lang_type): Rename 'objc_protocols' field
        to 'objc_info'.

2004-12-07  Eric Christopher  <echristo@redhat.com>

        PR target/16317
        * config/netbsd.h (NO_IMPLICIT_EXTERN_C): Define.

2004-12-07  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips-protos.h (mips_valid_pointer_mode): Move
        prototype...
        * config/mips/mips.c: ... here. Make static.

2004-12-07  Eric Christopher  <echristo@redhat.com>

        PR target/18442
        * config/mips/mips.c (mips_vector_mode_supported_p): New function.
        (TARGET_SCALAR_MODE_SUPPORTED_P): Define to above.

2004-12-07  Kazu Hirata  <kazu@cs.umass.edu>

        * c-common.c, expr.c, fold-const.c, print-tree.c,
        tree-gimple.c, tree-inline.c, tree-pretty-print.c,
        tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c: Replace uses of
        first_rtl_op with TREE_CODE_LENGTH.
        * tree.c (first_rtl_op): Remove.
        Replace uses of first_rtl_op with TREE_CODE_LENGTH.
        * tree.h: Remove the prototype for first_rtl_op.

2004-12-07  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/t-aix43, config/rs6000/t-aix52 (SHLIB_LINK):
        Revert 2004-12-01 change.

2004-12-06  Ziemowit Laski  <zlaski@apple.com>

        * c-tree.h (struct lang_type): Add 'objc_protocols' field.

2004-12-06  DJ Delorie  <dj@redhat.com>

        * reload.c (find_valid_class): Fix logic to test inner mode as well.
        (push_reload): Pass inner mode.

2004-12-06  Eric Christopher  <echristo@redhat.com>

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

2004-12-06  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/sysv4.h: Define RELOCATABLE_NEEDS_FIXUP to 1.

2004-12-06  Zdenek Dvorak  <dvorakz@suse.cz>
            Kazu Hirata  <kazu@cs.umass.edu>

        PR tree-optimization/18601
        * tree-cfg.c (thread_jumps, thread_jumps_from_bb): Removed.
        (tree_forwarder_block_p): Do not consider blocks that are its own
        successors forwarders.
        (cleanup_forwarder_blocks, remove_forwarder_block): New functions.
        (cleanup_tree_cfg): Use cleanup_forwarder_blocks instead of
        thread_jumps.
        * tree-flow.h (bb_ann_d): Remove forwardable.

2004-12-06  Kazu Hirata  <kazu@cs.umass.edu>

        * expr.c (expand_expr_real_1): Remove an "if" whose condition
        is always false.

2004-12-06  Roger Sayle  <roger@eyesopen.com>

        * c-gimplify.c (gimplify_c_loop): Improve initial implementations
        for loops whose conditions are known at compile-time.
        * gimplify.c (append_to_statement_list_1): Remove side_effects
        parameter, this function should never be called if its false.
        (append_to_statement_list): Only call append_to_statement_list_1
        if t is non-NULL tree with side-effects.
        (append_to_statement_list_force):  Likewise, if t is not NULL.

2004-12-06  J"orn Rennecke <joern.rennecke@st.com>

        * bt-load.c (btr_def_s): New member own_end;
        (add_btr_to_live_range): Add second parameter.  Changed caller.
        (clear_btr_from_live_range): Clear btrs_live_at_end bit
        for the register its definition basic block if own_end is set.
        (augment_live_range): Also take btrs_live_at_end into account.
        (combine_btr_defs): Don't bother with
        other_def->other_btr_uses_after_use if it pertains to a different
        register.
        (move_btr_def): Set def->other_btr_uses_before_def after
        calling combine_btr_defs."

        * bt-load.c (augment_live_range): New argument full_range.
        Changed all callers.

        * bt-load.c (move_tr_def): Set other_tr_uses_before_def
        taking new btr assignment into account.

2004-12-05  Daniel Berlin <dberlin@dberlin.org>

        * tree-ssa-alias.c (create_global_var): Use void_type_node,
        not size_type_node.

2004-12-05  Kazu Hirata  <kazu@cs.umass.edu>

        * expr.c (expand_expr_real_1): Abort on COND_EXPR of
        VOID_TYPE.

2004-12-05  Richard Henderson  <rth@redhat.com>

        PR target/18841
        * config/alpha/alpha.md (UNSPECV_SETJMPR_ER): New.
        (builtin_setjmp_receiver_er_sl_1): Use it.
        (builtin_setjmp_receiver_er_1): Likewise.
        (builtin_setjmp_receiver_er, exception_receiver_er): Remove.
        (builtin_setjmp_receiver): Don't split for explicit relocs until
        after reload.
        (exception_receiver): Likewise.

2004-12-05  Andrew Pinski  <pinskia@physics.uc.edu>

        * mklibgcc.in (vis_hide): Add the prototype for the test.

2004-12-05  Roger Sayle  <roger@eyesopen.com>

        * c-typeck.c (c_finish_loop): Improve initial implementations
        for loops whose conditions are known at compile-time.

2004-12-05  Kazu Hirata  <kazu@cs.umass.edu>

        * builtins.c: Fix comment typos.

2004-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/18730
        * emit-rtl.c (get_first_nonnote_insn, get_last_nonnote_insn): When
        the first/last insn is a sequence, return the first/last insn of the
        sequence.

        PR bootstrap/18804
        * mklibgcc.in (vis_hide): Use implementation instead of declaration
        for test function.

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

        * config/alpha/alpha.c (alpha_expand_unaligned_load): Don't forget to
        use ofs in BWX two byte special case.
        (alpha_expand_unaligned_store): Likewise.

2004-12-04  Kazu Hirata  <kazu@cs.umass.edu>

        * gcse.c (gcse_main): Add a comment.

2004-12-04  Andrew  Pinski  <pinskia@physics.uc.edu>

        PR middle-end/17909
        * builtins.c (fold_builtin_next_arg): Export and return true
        when there is a warning or an error.
        (expand_builtin_va_start): When fold_builtin_next_arg returns true,
        return const0_rtx.
        (expand_builtin): Likewise.
        * gimplify.c (gimplify_call_expr): Error out if there is not
        enough arguments to va_start. Call fold_builtin_next_arg also
        on the second argument.
        * tree.h (fold_builtin_next_arg): Prototype.

2004-12-04  Alan Modra  <amodra@bigpond.net.au>

        * mklibgcc.in: Build shared libgcc and shared libunwind in gcc/.
        Don't subst shlib_dir for SHLIB_LINK, SHLIBUNWIND_LINK,
        SHLIB_INSTALL, and SHLIBUNWIND_INSTALL.
        * config/i386/t-nwld (SHLIB_NAME): Use shlib_base_name in place of
        shlib_dir and shlib_so_name.
        * config/mips/t-slibgcc-irix (SHLIB_NAME): Likewise.
        * config/t-libunwind-elf (SHLIB_NAME): Likewise.
        * config/t-slibgcc-darwin (SHLIB_NAME): Likewise.
        * config/t-slibgcc-elf-ver (SHLIB_NAME): Likewise.
        * config/t-slibgcc-sld (SHLIB_NAME): Likewise.
        (SHLIB_LINK): Don't use shlib_dir when creating symlink.

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

        * doc/tm.texi (TARGET_DELEGITIMIZE_ADDRESS): Document target hook.

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

        * alias.c (component_uses_parent_alias_set): Rename from
        can_address_p.  Return bool.  Reverse the sense of the result.
        Reinstate the check for alias set zero.
        (get_alias_set): Update to match.
        * alias.h (component_uses_parent_alias_set): Likewise.
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
        * expr.c (expand_assignment): Likewise.
        * expr.h: Remove commented out prototypes that were moved to alias.h.

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

        * doc/tm.texi (TARGET_BUILD_BUILTIN_VA_LIST): New.
        (TARGET_CANNOT_FORCE_CONST_MEM): New.

2004-12-04  Alan Modra  <amodra@bigpond.net.au>

        PR middle end/18718
        * sched-rgn.c (schedule_region): Don't assume REG_SAVE_NOTEs are
        in pairs.
        * sched-ebb.c (schedule_ebb): Likewise.

2004-12-03  Andreas Schwab  <schwab@suse.de>

        * Makefile.in (HOSTHOOKS_DEF_H): Define.
        (ggc-common.o): Depend on $(HOSTHOOKS_DEF_H).
        (host-default.o): Likewise.

2004-12-03  Eric Christopher  <echristo@redhat.com>

        * config/stormy16/stormy16.md (pushqi, popqi, pushhi,
        pophi): Add number of arguments to name so that the
        pattern is recognized as a named pattern.

2004-12-03  Janis Johnson  <janis187@us.ibm.com>

        * doc/extend.texi (AltiVec Builtins): Fix info about signedness.

2004-12-03  Andreas Tobler  <a.tobler@schweiz.ch>

        * config/rs6000/rs6000.c (rs6000_override_options): Protect
        darwin_one_byte_bool with #if.

2004-12-03  Paolo Bonzini  <bonzini@gnu.org>

        * doc/tm.texi (Misc): Document TARGET_FOLD_BUILTIN.

2004-12-03  H.J. Lu  <hongjiu.lu@intel.com>

        * mklibgcc.in: Put back the default set of EXTRA_MULTILIB_PART.

2004-12-03  Richard Sandiford  <rsandifo@redhat.com>

        * configure.ac: Move TL_AC_GCC_VERSION into initialization section.
        Set libstdcxx_incdir directly.
        * configure: Regenerate.

2004-12-03  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-ssa-dom.c (record_equivalences_from_phis): Remove an
        "if" whose condition is always true.

        * cfgrtl.c (rtl_verify_flow_info_1): Use JUMP_P instead of
        INSN_P.

2004-12-02  Stan Shebs  <shebs@apple.com>

        * config/rs6000/rs6000.c (rs6000_override_options): Make 64-bit
        Darwin default to one-byte bools.

2004-12-02  Richard Henderson  <rth@redhat.com>

        PR 18774
        * simplify-rtx.c (simplify_immed_subreg): Fail complex modes.

2004-12-03  Ben Elliston  <bje@au.ibm.com>

        * doc/cfg.texi (Edges): Update. Document the edge_iterator data
        type and its methods.

2004-12-02  Richard Henderson  <rth@redhat.com>

        * expr.c (write_complex_part): Use simplify_gen_subreg when the
        submode is at least as large as a word.
        (read_complex_part): Likewise.

2004-12-02  H.J. Lu  <hongjiu.lu@intel.com>

        PR bootstrap/18532
        * mklibgcc.in: Build one set of EXTRA_MULTILIB_PARTS for
        multilib at a time. Don't build the default set. Don't add
        EXTRA_MULTILIB_PARTS to shared libunwind nor libgcc. Remove
        filter for shared libunwind and libgcc.

2004-12-02  Roger Sayle  <roger@eyesopen.com>

        PR target/18759
        * config/i386/i386.c (override_options): If -fomit-frame-pointer has
        already been specified, ignore the -momit-leaf-frame-pointer option.

2004-12-02  H.J. Lu  <hongjiu.lu@intel.com>

        * varasm.c (make_decl_rtl): Add the missing `;'.

2004-12-02  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree.c (is_attribute_p): Split out to ..
        (is_attribute_with_length_p): Here.  Use IDENTIFIER_LENGTH instead
        of strlen and compare the string lengths before calling strcmp.
        (lookup_attribute): Call is_attribute_with_length_p instead of
        is_attribute_p.

2004-12-02  Devang Patel  <dpatel@apple.com>

        * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add -gfull and -gused.
        * config/rs6000/darwin.h (CC1_SPEC): Do not handle -gfull and -gused.
        * config/i386/darwin.h (CC1_SPEC): Same.

2004-12-02  Richard Henderson  <rth@redhat.com>

        * optabs.c (lowpart_subreg_maybe_copy): New.
        (expand_unop, expand_abs_nojump): Use it.

2004-12-02  J"orn Rennecke <joern.rennecke@st.com>

        * sh.md (extv, extzv): Add pattern predicate.

2004-12-02  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-cfg.c (phi_alternatives_equal): Check that PHI_ARG_DEF
        is not null.

        * tree-cfg.c (phi_alternatives_equal): Check that PHI_ARG_DEF
        is not null.

        * tree-cfg.c (thread_jumps): Reduce the size of WORKLIST.

2004-12-02  Jeff Law  <law@redhat.com>

        * tree-eh.c: Revert yesterday's change.

2004-12-02  Andrew Pinski  <pinskia@physics.uc.edu>

        * varasm.c (decode_reg_name): Revert change to check for zero
        length strings.
        (make_decl_rtl): Make sure that we call decode_reg_name only
        when needed.

2004-12-02  Dorit Naishlos  <dorit@il.ibm.com>

        PR tree-opt/18716
        * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Properly set
        then and else labels.

2004-12-02  Andreas Schwab  <schwab@suse.de>

        * Makefile.in (WERROR_FLAGS): Renamed from WERROR.
        (STRICT2_WARN): Use $(WERROR_FLAGS) instead of $(WERROR).
        (STAGE2_FLAGS_TO_PASS): Likewise.

        * config/i386/x-mingw32: Set WERROR_FLAGS instead of WERROR.

2004-12-02  Richard Sandiford  <rsandifo@redhat.com>

        * configure.ac: Use TL_AC_GCC_VERSION to set gcc_version.  Remove
        now-redundant AC_SUBSTs.
        * aclocal.m4: Include ../config/gcc-version.m4.
        * configure: Regenerate.

2004-12-02  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (rs6000_assemble_integer): Put back the
        #ifdef RELOCATABLE_NEEDS_FIXUP.

2004-12-01  Roger Sayle  <roger@eyesopen.com>

        PR target/9908
        * config/i386/i386.md (*call_value_1, *sibcall_value_1): Correct
        Intel assembler syntax by using %A1 instead of %*%1.

2004-12-01  Richard Henderson  <rth@redhat.com>

        * expr.c (expand_assignment): Handle CONCAT both as a final
        destination and as a middle point.

2004-12-01  Jeff Law  <law@redhat.com>

        * tree-eh.c (save_eptr, save_filt): Now file scoped statics.
        (honor_protect_cleanup_actions): Only create save_eptr and
        save_filt if they do not already exist.
        (lower_eh_constructs): Wipe all knowledge of save_eptr and
        save_filt before returning.

2004-12-02  Kazu Hirata  <kazu@cs.umass.edu>

        * tree-phinodes.c (remove_phi_arg_num): Fix a comment.

2004-12-02  Alan Modra  <amodra@bigpond.net.au>

        PR target/16952
        * config/rs6000/rs6000.c (rs6000_assemble_integer): Replace
        #ifdef RELOCATABLE_NEEDS_FIXUP with if.
        * config/rs6000/linux.h (RELOCATABLE_NEEDS_FIXUP): Define in terms
        of target_flags_explicit.
        * config/rs6000/linux64.h (RELOCATABLE_NEEDS_FIXUP): Ditto for biarch
        case.  Define as 0 for non-biarch.

2004-12-01  Zack Weinberg  <zack@codesourcery.com>

        * config/rs6000/t-aix43, config/rs6000/t-aix52 (SHLIB_LINK):
        Change temporary file tag from a prefix to an infix.

2004-12-02  Andreas Schwab  <schwab@suse.de>

        * gcc.c (struct option_map): Add entry for "--pass-exit-codes".

2004-12-01  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/18763
        PR tree-opt/18746
        * tree-ssa-alias.c (init_alias_info): Get statement operands for all
        the statements if aliases_computed_p is true.

2004-12-01  Mark Mitchell  <mark@codesourcery.com>

        * Makefile.in (WERROR): New variable.
        (STRICT2_WARN): Use it.
        (STAGE2_FLAGS_TO_PASS): Likewise.
        * config/i386/x-mingw32 (WERROR): Add -Wno-format.

2004-12-01  Richard Henderson  <rth@redhat.com>

        * expr.c (get_inner_reference): Fix thinko in REAL/IMAGPART_EXPR
        offsetting.

2004-12-01  Diego Novillo  <dnovillo@redhat.com>

        PR tree-optimization/18291
        * tree-ssa-copy.c (merge_alias_info): Fix merging of
        flow-sensitive alias information.  If the new pointer has no
        name tag, copy it from the original pointer.  Otherwise, make
        sure that the pointed-to sets have a common intersection.

2004-12-01  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/15289
        * emit-rtl.c (gen_complex_constant_part): Remove.
        (gen_realpart, gen_imagpart): Remove.
        * rtl.h (gen_realpart, gen_imagpart): Remove.
        * expmed.c (extract_bit_field): Remove CONCAT hack catering to
        gen_realpart/gen_imagpart.
        * expr.c (write_complex_part, read_complex_part): New.
        (emit_move_via_alt_mode, emit_move_via_integer, emit_move_resolve_push,
        emit_move_complex_push, emit_move_complex, emit_move_ccmode,
        emit_move_multi_word): Split out from ...
        (emit_move_insn_1): ... here.
        (expand_expr_real_1) <COMPLEX_EXPR>: Use write_complex_part.
        <REALPART_EXPR, IMAGPART_EXPR>: Use read_complex_part.
        * function.c (assign_parm_setup_reg): Hard-code transformations
        instead of using gen_realpart/gen_imagpart.

        * expr.c (optimize_bitfield_assignment_op): Split out from ...
        (expand_assignment): ... here.  Use handled_component_p to gate
        get_inner_reference code.  Simplify MEM handling.  Special case
        CONCAT destinations.

        * expmed.c (store_bit_field): Use simplify_gen_subreg instead
        of gen_rtx_SUBREG directly.

2004-12-01  David Edelsohn  <edelsohn@gnu.org>
            Nathan Sidwell  <nathan@codesourcery.com>

        PR target/17107
        * config/rs6000/rs6000.md (sge): Enable for non-TARGET_POWER.
        (sgt): Same.
        (sle): Same.
        (slt): Same.

2004-12-01  Nathan Sidwell  <nathan@codesourcery.com>

        PR middle-end/18667
        * params.c (set_param_value): Add range check.
        * params.def: Add min and max values. Reformat long strings.
        * params.h (struct param_info): Add min and max fields.
        (enum compiler_param): Adjust DEFPARAM.
        * toplev.c (lang_independent_params): Likewise.

2004-12-01  Alan Modra  <amodra@bigpond.net.au>

        PR target/12817
        * config/rs6000/rs6000.c (rs6000_emit_prologue): Use r0 for vrsave.

2004-12-01  Joseph S. Myers  <joseph@codesourcery.com>

        * doc/standards.texi: Update for C99 TC2.

2004-11-30  Jeff Law  <law@redhat.com>

        * sbitmap.c (sbitmap_any_common_bits): New function.
        * sbitmap.h (sbitmap_any_common_bits): Prototype.
        * modulo-sched.c (sms_schedule_by_order): Use sbitmap_any_common_bits
        No longer allocate/free "psp", "pss" sbitmaps.
        * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Similarly for
        the "res" sbitmap.
        (group_aliases): Similarly.

2004-11-30  Nathan Sidwell  <nathan@codesourcery.com>

        * tree-vectorizer.c (vect_analyze_data_refs): Reformat and avoid
        uninitialized variable.

2004-11-30  Eric Christopher  <echristo@redhat.com>

        * fold-const.c (fold_widened_comparison): Make sure that we're
        passing an INTEGER_TYPE to int_fits_type_p.
        (fold): Clean up comment.

2004-11-30  Zack Weinberg  <zack@codesourcery.com>

        * mklibgcc.in: Correct calculation of libgcc_s_soname and
        libunwind_soname.  Use $out, not $outS, in commands for
        no-shared-library case.  Move EXTRA_MULTILIB_PARTS rules above
        library build rules, make $libunwind_so and $libgcc_s_so
        depend on them in the normal fashion, and filter those objects
        out of @shlib_objs@.

2004-11-30  Janis Johnson  <janis187@us.ibm.com>

        * config/rs6000/altivec.h (vec_step_help): Support const vector types.

2004-11-30  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/18298
        * tree-optimize.c (init_tree_optimization_passes): Add a may_alias
        pass right after fold builtins.

2004-11-30  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390-modes.def: Added cc modes documentation.
        * config/s390/s390.c: (s390_tm_ccmode, s390_select_ccmode,
        s390_expand_addcc): Added cc mode comments.
        * config/s390/s390.md: Removed old cc mode documentation.

2004-11-30  Mark Dettinger  <dettinge@de.ibm.com>

        * config/s390/s390.c (struct processor_costs): New data type.
        (s390_cost, z900_cost, z990_cost): New global variables.
        (override_options): Initialize s390_cost.
        (s390_rtx_costs): Reimplement.

2004-11-29  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/18673

        * tree-ssa-pre.c: Remove splay-tree.h include.
        (bitmap_value_replace_in_set): Fix to add if it does not exist.
        (find_or_generate_expression): Remove now-wrong condition.
        (create_expression_by_pieces): Fix condition and comment reason
        for it.
        (insert_aux): Fix condition and comment reasons for it.
        Factor insertion code from here.
        (insert_into_preds_of_block): To here.  Fix conditions in factored
        function and comment reasons for them.

2004-11-30  Ira Rosen  <irar@il.ibm.com>

        PR tree-opt/18607
        * tree-vectorizer.c (vect_analyze_data_refs): Use temporary
        variable for data_reference when looking for memtag.

2004-11-30  Jakub Jelinek  <jakub@redhat.com>

        * c-opts.c (check_deps_environment_vars): If spec != NULL, set
        deps_seen.

2004-11-30  Dorit Naishlos  <dorit@il.ibm.com>

        * tree-vectorizer.c (vect_gen_niters_for_prolog_loop): Use
        tree_low_cst instead of TREE_INT_CST_LOW.

2004-11-30  Dorit Naishlos  <dorit@il.ibm.com>

        PR target/18173
        * tree-vectorizer.c (vect_can_force_dr_alignment_p): Return false for
        decls that are assembled before vectorization takes place.
        (vect_compute_data_ref_alignment): Set DECL_USER_ALIGN to 1.

2004-11-30  Ulrich Weigand  <uweigand@de.ibm.com>

        * passes.c (rest_of_handle_old_regalloc): Delete unreachable blocks
        if local_alloc modified jumps.

2004-11-30  Alan Modra  <amodra@bigpond.net.au>

        * varasm.c (default_encode_section_info): Don't set SYMBOL_FLAG_SMALL
        on TLS symbols.
        * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Remove TLS
        check.

2004-11-30  Zack Weinberg  <zack@codesourcery.com>

        * gthr-gnat.c, gthr-gnat.h, gthr.h, libgcc2.h, unwind-dw2-fde.h
        * unwind.h: Surround all visibility pragmas with #ifndef HIDE_EXPORTS.

        * mklibgcc.in: Drastic restructure for comprehensibility.
        Remove the old hidden-directive hack.
        Eliminate support for .txt files in LIB2ADD etc (never used).
        Eliminate support for assembly source files in LIB2ADDEH* and
        LIBUNWIND (also never used).
        Build up dependency lists for libraries incrementally.
        If we have SHLIB_LINK, compile each file twice, once for the
        static and once for the shared library; also probe for
        -fvisibility=hidden in the generated libgcc.mk.  If found,
        pass that and -DHIDE_EXPORTS to the compilation of every C
        source file going into the static library.  If found, generate
        hidden-directive lists for every assembly source file going
        into the static library, but incorporate them with -include
        instead of ld -r.
        Write comments into generated libgcc.mk to facilitate debugging.
        * Makefile.in: Pass ASM_HIDDEN_OP to mklibgcc.
        * config/t-slibgcc-darwin: Define ASM_HIDDEN_OP.

        * config/darwin.h (REAL_LIBGCC_SPEC): Put -lgcc back in
        -Zdynamiclib case.

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

        * expr.c (get_inner_reference): Handle REAL/IMAGPART_EXPR.
        (handled_component_p): Likewise.
        * alias.c (can_address_p): Reformat and simplify.  Handle
        REAL/IMAGPART_EXPR.  Do not disable addressability based on
        alias set zero.
        * fold-const.c (build_fold_addr_expr_with_type): Remove duplicate
        check for REAL/IMAGPART_EXPR.
        * gimplify.c (gimplify_compound_lval): Likewise.
        * tree-cfg.c (verify_expr): Likewise.
        * tree-gimple.c (is_gimple_addressable, get_base_address): Likewise.
        * tree-nested.c (build_addr, convert_nonlocal_reference): Likewise.
        (convert_local_reference): Likewise.
        * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Likewise.

2004-11-30  Alan Modra  <amodra@bigpond.net.au>

        * expr.c (emit_group_load_1): Don't die on const_int orig_src.

2004-11-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR pch/14940
        * config/pa/pa-host.c, config/pa/x-hpux, config/pa/x-linux: New files.
        * config.host (hppa*-*-hpux*, hppa*-*-linux): Define out_host_hook_obj
        and host_xmake_file using new host configuration files.

2004-11-29  Roger Sayle  <roger@eyesopen.com>

        * reg-stack.c (change_stack): Improve algorithm used to pop regs
        off the stack to maximize ffreep usage and reduce fxch count.

2004-11-30  James A. Morrison  <phython@gcc.gnu.org>

        PR middle-end/18596
        * c-decl.c (grokdeclarator): Reset DECL_INTIAL to error_mark_node
        on errors.

2004-11-30  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * expr.c (expand_expr_real_1, case NOP_EXPR): Properly handle
        REDUCE_BIT_FIELD by applying it to result, not input, of conversion.

2004-11-30  Ben Elliston  <bje@au.ibm.com>

        * Makefile.in (REGS_H): Depend on $(BASIC_BLOCK_H).

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

        PR c/18479
        * c-common.c (handle_visibility_attribute): When the type decl
        is really a identifier node, warn about being ignored and return.

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

        * tree-cfg.c (tree_node_can_be_shared): Fix typo'd error_mark_node.

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_