* gengtype.c (adjust_field_rtx_def): Add NOTE_INSN_DELETED_LABEL's

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

2009-06-02  Alexandre Oliva  <aoliva@redhat.com>

        * gengtype.c (adjust_field_rtx_def): Add NOTE_INSN_DELETED_LABEL's
        label string.

2009-06-02  Alexandre Oliva  <aoliva@redhat.com>

        * df-core.c (df_ref_debug): Honor -fdump-noaddr.

2009-06-02  Alexandre Oliva  <aoliva@redhat.com>

        * combine.c (move_deaths): Compare LUIDs within the same BB only.

2009-06-02  Alexandre Oliva  <aoliva@redhat.com>

        * common.opt (fdump-unnumbered-links): New.
        * doc/invoke.texi (-fdump-unnumbered-links): Document it.
        * print-rtl.c (flag_dump_unnumbered_links): New.
        (print_rtx): Test it.

2009-06-02  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_get_frame_offsets): Prefer using r3 for padding a
        push/pop multiple to 8-byte alignment.
        
2009-06-01  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (queued_cfa_restores): New static variable.
        (ix86_add_cfa_restore_note, ix86_add_queued_cfa_restore_notes): New
        functions.
        (pro_epilogue_adjust_stack): Call ix86_add_queued_cfa_restore_notes.
        (ix86_emit_restore_reg_using_pop): Add RED_OFFSET argument.
        Set RTX_FRAME_RELATED_P immediately after adding a REG_CFA_* note.
        Call ix86_add_cfa_restore_note instead of adding REG_CFA_OFFSET
        note unconditionally.
        (ix86_emit_restore_regs_using_mov): Likewise.
        (ix86_emit_restore_sse_regs_using_mov): Likewise.
        (ix86_emit_restore_regs_using_pop): Add RED_OFFSET argument, pass
        it through to ix86_emit_restore_reg_using_pop.
        (ix86_emit_leave): Add RED_OFFSET argument.  Call
        ix86_add_queued_cfa_restore_notes.  Call ix86_add_cfa_restore_note
        instead of adding REG_CFA_OFFSET note unconditionally.
        (ix86_expand_epilogue): Compute RED_OFFSET, pass it down to
        the above functions.  Call ix86_add_queued_cfa_restore_notes when
        needed.

        * dwarf2out.c (dwarf2out_cfi_label): Add FORCE argument, if true,
        force output of the label even for dwarf2out_do_cfi_asm.
        (add_fde_cfi): If -g2 and above and cfi might change CFA,
        force creation of CFI label and chain DW_CFA_set_loc jumping to it
        for convert_cfa_to_fb_loc_list.  Adjust other dwarf2out_cfi_label
        caller.
        (dwarf2out_stack_adjust, dwarf2out_frame_debug,
        dwarf2out_begin_epilogue, dwarf2out_frame_debug_restore_state): Adjust
        dwarf2out_cfi_label callers.
        * tree.h (dwarf2out_cfi_label): Adjust prototype.
        * config/arm/arm.c (thumb_pushpop, thumb1_output_function_prologue):
        Adjust dwarf2out_cfi_label callers.
        * config/vax/vax.c (vax_output_function_prologue): Likewise.

        * config/i386/i386.h (struct machine_cfa_state,
        struct machine_function): Guard with ifndef USED_FOR_TARGET
        instead of not IN_LIBGCC2 and not in IN_TARGET_LIBS.

        PR other/40024
        * emutls.c (__emutls_get_address): Change arr->size to mean number
        of allocated arr->data entries instead of # of slots + 1.

        PR middle-end/40316
        * recog.c (peep2_reinit_state): New function.
        (peephole2_init_state): Use it at the end of a basic block and also
        when seeing a RTX_FRAME_RELATED_P insn.

2009-06-01  Steve Ellcey  <sje@cup.hp.com>

        * ia64.md (floatdirf2, fix_truncrfdi, floatunsdirf,
        fixuns_truncrfdi2): New.
        (fix_truncxfdi2_alts, fixuns_truncxfdi2_alts,
        *nmaddsf4_alts, *nmadddf4_alts, *nmadddf4_truncsf_alts,
        *mulxf3_alts, *mulxf3_truncsf_alts, *mulxf3_truncdf_alts,
        *maddxf4_alts, *maddxf4_alts_truncsf, *maddxf4_alts_truncdf,
        *nmaddxf4_alts, *nmaddxf4_truncsf_alts, *nmaddxf4_truncdf_alts,
        *recip_approx): Remove.
        (divsi3 modsi3, udivsi3, umodsi3, divsi3_internal, divdi3,
        moddi3, udivdi3, umoddi3, divdi3_internal_lat, divdi3_internal_thr,
        divsf3, sqrtsf2, divdf3, sqrtdf2, divxf3, sqrtxf2): Modify and
        move to div.md.
        * div.md (fix_truncrfdi2_alts, fixuns_truncrfdi2_alt,
        setf_exp_rf): New.

2009-06-01  Ian Lance Taylor  <iant@google.com>

        * attribs.c (register_attribute): Use CONST_CAST.
        * collect2.c (main): Use CONST_CAST2.
        (scan_prog_file): Likewise.
        * gcc.c (process_command, main): Likewise.
        * toplev.c (toplev_main): Likewise.

        * c-typeck.c (handle_warn_cast_qual): New static function,
        partially broken out of build_c_cast.
        (build_c_cast): Call handle_warn_cast_qual.
        * doc/invoke.texi (Warning Options): Document new effect of
        -Wcast-qual.

2009-06-01  Aldy Hernandez  <aldyh@redhat.com>

        * diagnostic.c (diagnostic_build_prefix): Always print columns.
        (diagnostic_report_current_module): Print columns.
        * common.opt (flag_show_column): Enable by default.

2009-06-01  Luis Machado  <luisgpm@br.ibm.com>

        * alias.c (find_base_term): Check for NULL term before returning.

2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>

        Revert due to PR40320:
        
        2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
        * calls.c (emit_library_call_value_1): Don't force_operand for move
        and push insns.

2009-06-01  Olivier Hainque  <hainque@adacore.com>
            Eric Botcazou  <botcazou@adacore.com>

        * tree.h (CONSTRUCTOR_BITFIELD_P): True if NODE, a FIELD_DECL, is
        to be processed as a bitfield for constructor output purposes.
        * output.h (initializer_constant_valid_for_bitfield_p): Declare
        new function.
        * varasm.c (oc_local_state): New type, output_constructor
        local state to support communication with helpers.
        (oc_outer_state): New type, output_constructor outer state of
        relevance in recursive calls.
        (output_constructor_array_range): New output_constructor helper,
        extracted code for an array range element.
        (output_constructor_regular_field): New output_constructor helper,
        extracted code for an element that is not a bitfield.
        (output_constructor_bitfield): New output_constructor helper,
        extracted code for a bitfield element.  Accept an OUTER state
        argument for recursive processing.  Recurse on record or array
        CONSTRUCTOR values, possibly past noop conversions.
        (initializer_constant_valid_for_bitfield_p): New predicate.  Whether
        VALUE is a valid constant-valued expression for use in a static
        bit-field initializer.
        (output_constructor): Rework to use helpers.  Accept and honor an
        OUTER state argument for recursive calls.  Return total size.  Be
        prepared for nested constructors initializing bitfields.
        (output_constant): Feed OUTER in calls to output_constructor.

2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * calls.c (emit_library_call_value_1): Don't force_operand for move
        and push insns.

2009-06-01  Nick Clifton  <nickc@redhat.com>

        * doc/invoke.texi (IA-64 Options): Fix typo.

2009-06-01  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/39129
        * tree-vect-loop-manip.c (conservative_cost_threshold): Change the 
        printed message.
        (vect_do_peeling_for_loop_bound): Use 
        LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
        LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
        (vect_loop_versioning): Likewise.
        (vect_create_cond_for_alias_checks): Fix indentation.
        * tree-vectorizer.h (struct _loop_vec_info): Fix indentation of the 
        macros.
        (LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT): Define.
        (LOOP_REQUIRES_VERSIONING_FOR_ALIAS): Likewise.
        * tree-vect-loop.c (vect_analyze_loop_form): Change "too many BBs" to 
        "control flow in loop".
        (vect_estimate_min_profitable_iters): Use 
        LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
        LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
        * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
        (vect_create_data_ref_ptr): Don't mention array dimension in printing.
        * tree-vect-stmts.c (vectorizable_store): Replace the check that the 
        statement belongs to a group of strided accesses with the exact code 
        check.
        (vectorizable_load): Likewise.
        * tree-vect-slp.c (vect_analyze_slp_instance): Spell out "basic block".
        (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.

2009-06-01  Gerald Pfeifer  <gerald@pfeifer.com>

        * config/freebsd-stdint.h: New file.
        * config.gcc (*-*-freebsd): Set use_gcc_stdint=wrap.
        Add freebsd-stdint.h to tm_file.

2009-06-01  Richard Earnshaw  <rearnsha@arm.com>

        * arm/thumb2.md (thumb2_zero_extendhidi2): New insn and split.
        (thumb2_extendhidi2): Likewise.

2009-05-31  Ian Lance Taylor  <iant@google.com>

        * regstat.c (regstat_n_sets_and_refs): Remove duplicate
        definition.

2009-05-31  Ian Lance Taylor  <iant@google.com>

        * Makefile.in (except.o): Depend upon gt-except.h, not
        gt-$(EXCEPT_H).
        (ipa-cp.o): Depend upon $(FIBHEAP_H) and $(PARAMS_H).
        (ipa-reference.o): Depend upon gt-ipa-reference.h.

2009-05-31  Jason Merrill  <jason@redhat.com>

        * tree-pretty-print.c (print_call_name): Take the callee, not the
        call itself.  Make non-static.  Use dump_function_name for
        functions.
        (dump_generic_node): Adjust.
        * diagnostic.h: Declare print_call_name.
        * gimple-pretty-print.c (dump_gimple_call): Use it.

2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.md (ashldi3_std): New define_expand.
        (ashldi3): Use it.

2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/40313
        * config/sh/sh.c: Include debug.h.
        (sh_expand_epilogue): Emit a blockage insn before the frame
        pointer adjustment also when dwarf2out_do_frame returns true.

2009-05-31  Richard Earnshaw  <rearnsha@arm.com>

        * arm/thumb2.md (thumb2_extendsidi2): Add a split sub-pattern.
        (thumb2_extendqidi2): New pattern.

2009-05-31  Ira Rosen  <irar@il.ibm.com>

        * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1): Don't
        mark phis for renaming.
        * tree-vectorizer.c (vect_memsyms_to_rename): Remove.
        (vectorize_loops): Don't allocate and free vect_memsyms_to_rename.
        Call mark_sym_for_renaming.
        * tree-vectorizer.h (vect_memsyms_to_rename): Remove.
        * tree-vect-loop.c (vect_transform_loop): Remove vect_memsyms_to_rename
        initialization and a call to mark_set_for_renaming.

2009-05-31  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/40304
        * config/i386/i386.c (pro_epilogue_adjust_stack): Mark insns
        frame related even if !set_cfa && style < 0.

2009-05-30  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/mingw-tls.c: New file.
        * config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Add
        mingw-tls.c file.
        * gthr-win32.h (MINGW32_SUPPORTS_MT_EH): Define
        it for targets defining _WIN32 but not __CYGWIN__.

2009-05-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * configure.ac: Add MPC support.
        
        * config.in, configure: Regenerate.     

2009-05-29  Richard Henderson  <rth@redhat.com>

        * cfgcleanup.c (try_crossjump_to_edge): Only skip past
        NOTE_INSN_BASIC_BLOCK.
        * cfglayout.c (duplicate_insn_chain): Copy epilogue insn marks.
        Duplicate NOTE_INSN_EPILOGUE_BEG notes.
        * cfgrtl.c (can_delete_note_p): Allow NOTE_INSN_EPILOGUE_BEG
        to be deleted.
        * dwarf2out.c (struct cfa_loc): Change indirect field to bitfield,
        add in_use field.
        (add_cfi): Disable check redefining cfa away from drap.
        (lookup_cfa_1): Add remember argument; handle remember/restore.
        (lookup_cfa): Pass remember argument.
        (cfa_remember): New.
        (compute_barrier_args_size_1): Remove sibcall check.
        (dwarf2out_frame_debug_def_cfa): New.
        (dwarf2out_frame_debug_adjust_cfa): New.
        (dwarf2out_frame_debug_cfa_offset): New.
        (dwarf2out_frame_debug_cfa_register): New.
        (dwarf2out_frame_debug_cfa_restore): New.
        (dwarf2out_frame_debug): Handle REG_CFA_* notes.
        (dwarf2out_begin_epilogue): New.
        (dwarf2out_frame_debug_restore_state): New.
        (dw_cfi_oprnd1_desc): Handle DW_CFA_remember_state,
        DW_CFA_restore_state.
        (output_cfi_directive): Likewise.
        (convert_cfa_to_fb_loc_list): Likewise.
        (dw_cfi_oprnd1_desc): Handle DW_CFA_restore.
        * dwarf2out.h: Update.
        * emit-rtl.c (try_split): Don't split RTX_FRAME_RELATED_P.
        (copy_insn_1): Early out for null.
        * final.c (final_scan_insn): Call dwarf2out_begin_epilogue
        and dwarf2out_frame_debug_restore_state.
        * function.c (prologue, epilogue, sibcall_epilogue): Remove.
        (prologue_insn_hash, epilogue_insn_hash): New.
        (free_after_compilation): Adjust freeing accordingly.
        (record_insns): Create hash table if needed; push insns into
        hash instead of array.
        (maybe_copy_epilogue_insn): New.
        (contains): Search hash table instead of array.
        (sibcall_epilogue_contains): Remove.
        (thread_prologue_and_epilogue_insns): Split eh_return insns
        and mark them as epilogues.
        (reposition_prologue_and_epilogue_notes): Rewrite epilogue
        scanning in terms of basic blocks.
        * insn-notes.def (CFA_RESTORE_STATE): New.
        * jump.c (returnjump_p_1): Accept EH_RETURN.
        (eh_returnjump_p_1, eh_returnjump_p): New.
        * reg-notes.def (CFA_DEF_CFA, CFA_ADJUST_CFA, CFA_OFFSET,
        CFA_REGISTER, CFA_RESTORE): New.
        * rtl.def (EH_RETURN): New.
        * rtl.h (eh_returnjump_p, maybe_copy_epilogue_insn): Declare.

        * config/bfin/bfin.md (UNSPEC_VOLATILE_EH_RETURN): Remove.
        (eh_return_internal): Use eh_return rtx; split w/ epilogue.

        * config/i386/i386.c (gen_push): Update cfa state.
        (pro_epilogue_adjust_stack): Add set_cfa argument.  When true,
        add a CFA_ADJUST_CFA note.
        (ix86_dwarf_handle_frame_unspec): Remove.
        (ix86_expand_prologue): Update cfa state.
        (ix86_emit_restore_reg_using_pop): New.
        (ix86_emit_restore_regs_using_pop): New.
        (ix86_emit_leave): New.
        (ix86_emit_restore_regs_using_mov): Add CFA_RESTORE notes.
        (ix86_expand_epilogue): Add notes for unwinding the epilogue.
        * config/i386/i386.h (struct machine_cfa_state): New.
        (ix86_cfa_state): New.
        * config/i386/i386.md (UNSPEC_EH_RETURN): Remove.
        (eh_return_internal): Merge from eh_return_<mode>,
        use eh_return rtx, split w/ epilogue.

2009-05-29  Ian Lance Taylor  <iant@google.com>

        * builtins.c (validate_gimple_arglist): Don't use va_arg with
        enum type.
        * calls.c (emit_library_call_value_1): Likewise.

        * c-typeck.c (c_build_va_arg): New function.
        * c-tree.h (c_build_va_arg): Declare.
        * c-parser.c (c_parser_postfix_expression): Call c_build_va_arg
        instead of build_va_arg.

2009-05-29  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-ssa-loop-ivopts.c (strip_offset_1) <MULT_EXPR>: New case.
        (force_expr_to_var_cost) <NEGATE_EXPR>: Likewise.
        (ptr_difference_cost): Use affine combinations to compute it.
        (difference_cost): Likewise.
        (get_computation_cost_at): Compute more accurate cost for addresses
        if the ratio is a multiplier allowed in addresses.
        For non-addresses, consider that an additional offset or symbol is
        added only once.

2009-05-29  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (ix86_decompose_address): Avoid useless
        0 displacement.  Add 0 displacement if base is %[er]bp or %r13.

        * config/i386/i386.md (prefix_data16, prefix_rep): Set to 0 for
        TYPE_SSE{MULADD,4ARG,IADD1,CVT1} by default.
        (prefix_rex): For UNIT_MMX don't imply the prefix by default
        if MODE_DI.
        (prefix_extra): Default to 2 for TYPE_SSE{MULADD,4ARG} and
        to 1 for TYPE_SSE{IADD1,CVT1}.
        (prefix_vex_imm8): Removed.
        (length_vex): Only pass 1 as second argument to
        ix86_attr_length_vex_default if prefix_extra is 0.
        (modrm): For TYPE_INCDEC only set to 0 if not TARGET_64BIT.
        (length): For prefix vex computation use length_immediate
        attribute instead of prefix_vex_imm8.
        (cmpqi_ext_3_insn, cmpqi_ext_3_insn_rex64,
        addqi_ext_1, addqi_ext_1_rex64, *testqi_ext_0, andqi_ext_0,
        *andqi_ext_0_cc, *iorqi_ext_0, *xorqi_ext_0, *xorqi_cc_ext_1,
        *xorqi_cc_ext_1_rex64): Override modrm attribute to 1.
        (extendsidi2_rex64, extendhidi2, extendqidi2, extendhisi2,
        *extendhisi2_zext, extendqihi2, extendqisi2, *extendqisi2_zext): Emit
        a space in between the operands.
        (*anddi_1_rex64, *andsi_1): Likewise.  Override prefix_rex to 1
        if one operand is 0xff and the other one si, di, bp or sp.
        (*andhi_1): Override prefix_rex to 1 if one operand is 0xff and the
        other one si, di, bp or sp.
        (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Add mode attribute.
        (*ffssi_1, *ffsdi_1, ctzsi2, ctzdi2): Add
        type and mode attributes.
        (*bsr, *bsr_rex64, *bsrhi): Add type attribute.
        (*cmpfp_i_mixed, *cmpfp_iu_mixed): For TYPE_SSECOMI, clear
        prefix_rep attribute and set prefix_data16 attribute iff MODE_DF.
        (*cmpfp_i_sse, *cmpfp_iu_sse): Clear prefix_rep attribute and set
        prefix_data16 attribute iff MODE_DF.
        (*movsi_1): For TYPE_SSEMOV MODE_SI set prefix_data16 attribute.
        (fix_trunc<mode>di_sse): Set prefix_rex attribute.
        (*adddi_4_rex64, *addsi_4): Use const128_operand instead of
        constm128_operand in length_immediate computation.
        (*addhi_4): Likewise.  Fix mode attribute to MODE_HI.
        (anddi_1_rex64): Use movzbl/movzwl instead of movzbq/movzwq.
        (*avx_ashlti3, sse2_ashlti3, *avx_lshrti3, sse2_lshrti3): Set
        length_immediate attribute to 1.
        (x86_fnstsw_1, x86_fnstcw_1, x86_fldcw_1): Fix length attribute.
        (*movdi_1_rex64): Override prefix_rex or prefix_data16 attributes
        for certain alternatives.
        (*movdf_nointeger, *movdf_integer_rex64, *movdf_integer): Override
        prefix_data16 attribute if MODE_V1DF.
        (*avx_setcc<mode>, *sse_setcc<mode>, *sse5_setcc<mode>): Set
        length_immediate to 1.
        (set_got_rex64, set_rip_rex64): Remove length attribute, set
        length_address to 4, set mode attribute to MODE_DI.
        (set_got_offset_rex64): Likewise.  Set length_immediate to 0.
        (fxam<mode>2_i387): Set length attribute to 4.
        (*prefetch_sse, *prefetch_sse_rex, *prefetch_3dnow,
        *prefetch_3dnow_rex): Override length_address attribute.
        (sse4_2_crc32<mode>): Override prefix_data16 and prefix_rex
        attributes.
        * config/i386/predicates.md (ext_QIreg_nomode_operand): New predicate.
        (constm128_operand): Removed.
        * config/i386/i386.c (memory_address_length): For
        disp && !index && !base in 64-bit mode account for SIB byte if
        print_operand_address can't optimize disp32 into disp32(%rip)
        and UNSPEC doesn't imply (%rip) addressing.  Add 1 to length
        for fs: or gs: segment.
        (ix86_attr_length_immediate_default): When checking if shortform
        is possible, truncate immediate to the length of the non-shortened
        immediate.
        (ix86_attr_length_address_default): Ignore MEM_P operands
        with X constraint.
        (ix86_attr_length_vex_default): Only check for DImode on
        GENERAL_REG_P operands.
        * config/i386/sse.md (<sse>_comi, <sse>_ucomi): Clear
        prefix_rep attribute, set prefix_data16 attribute iff MODE_DF.
        (sse_cvttps2pi): Clear prefix_rep attribute.
        (sse2_cvttps2dq, *sse2_cvtpd2dq, sse2_cvtps2pd): Clear prefix_data16
        attribute.
        (*sse2_cvttpd2dq): Don't clear prefix_rep attribute.
        (*avx_ashr<mode>3, ashr<mode>3, *avx_lshr<mode>3, lshr<mode>3,
        *avx_ashl<mode>3, ashl<mode>3): Set length_immediate attribute to 1
        iff operand 2 is const_int_operand.
        (*vec_dupv4si, avx_shufpd256_1, *avx_shufpd_<mode>,
        sse2_shufpd_<mode>): Set length_immediate attribute to 1.
        (sse2_pshufd_1): Likewise.  Set prefix attribute to maybe_vex
        instead of vex.
        (sse2_pshuflw_1, sse2_pshufhw_1): Set length_immediate to 1 and clear
        prefix_data16.
        (sse2_unpckhpd, sse2_unpcklpd, sse2_storehpd, *vec_concatv2df): Set
        prefix_data16 attribute for movlpd and movhpd instructions.
        (sse2_loadhpd, sse2_loadlpd, sse2_movsd): Likewise.  Override
        length_immediate for shufpd instruction.
        (sse2_movntsi, sse3_lddqu): Clear prefix_data16 attribute.
        (avx_cmpp<avxmodesuffixf2c><mode>3,
        avx_cmps<ssemodesuffixf2c><mode>3, *avx_maskcmp<mode>3,
        <sse>_maskcmp<mode>3, <sse>_vmmaskcmp<mode>3,
        avx_shufps256_1, *avx_shufps_<mode>, sse_shufps_<mode>,
        *vec_dupv4sf_avx, *vec_dupv4sf): Set
        length_immediate attribute to 1.
        (*avx_cvtsi2ssq, *avx_cvtsi2sdq): Set length_vex attribute to 4.
        (sse_cvtsi2ssq, sse2_cvtsi2sdq): Set prefix_rex attribute to 1.
        (sse2_cvtpi2pd, sse_loadlps, sse2_storelpd): Override
        prefix_data16 attribute for the first alternative to 1.
        (*avx_loadlps): Override length_immediate for the first alternative.
        (*vec_concatv2sf_avx): Override length_immediate and prefix_extra
        attributes for second alternative.
        (*vec_concatv2sf_sse4_1): Override length_immediate and
        prefix_data16 attributes for second alternative.
        (*vec_setv4sf_avx, *avx_insertps, vec_extract_lo_<mode>,
        vec_extract_hi_<mode>, vec_extract_lo_v16hi,
        vec_extract_hi_v16hi, vec_extract_lo_v32qi,
        vec_extract_hi_v32qi): Set prefix_extra and length_immediate to 1.
        (*vec_setv4sf_sse4_1, sse4_1_insertps, *sse4_1_extractps): Set
        prefix_data16 and length_immediate to 1.
        (*avx_mulv2siv2di3, *avx_mulv4si3, sse4_2_gtv2di3): Set prefix_extra
        to 1.
        (*avx_<code><mode>3, *avx_eq<mode>3, *avx_gt<mode>3): Set
        prefix_extra attribute for variants that don't have 0f prefix
        alone.
        (*avx_pinsr<ssevecsize>): Likewise.  Set length_immediate to 1.
        (*sse4_1_pinsrb, *sse2_pinsrw, *sse4_1_pinsrd, *sse4_1_pextrb,
        *sse4_1_pextrb_memory, *sse2_pextrw, *sse4_1_pextrw_memory,
        *sse4_1_pextrd): Set length_immediate to 1.
        (*sse4_1_pinsrd): Likewise.  Set prefix_extra to 1.
        (*sse4_1_pinsrq, *sse4_1_pextrq): Set prefix_rex and length_immediate
        to 1.
        (*vec_extractv2di_1_rex64_avx, *vec_extractv2di_1_rex64,
        *vec_extractv2di_1_avx, *vec_extractv2di_1_sse2): Override
        length_immediate to 1 for second alternative.
        (*vec_concatv2si_avx, *vec_concatv2di_rex64_avx): Override
        prefix_extra and length_immediate attributes for the first
        alternative.
        (vec_concatv2si_sse4_1): Override length_immediate to 1 for the
        first alternative.
        (*vec_concatv2di_rex64_sse4_1): Likewise.  Override prefix_rex
        to 1 for the first and third alternative.
        (*vec_concatv2di_rex64_sse): Override prefix_rex to 1 for the second
        alternative.
        (*sse2_maskmovdqu, *sse2_maskmovdqu_rex64): Override length_vex
        attribute.
        (*sse_sfence, sse2_mfence, sse2_lfence): Override length_address
        attribute to 0.
        (*avx_phaddwv8hi3, *avx_phadddv4si3, *avx_phaddswv8hi3,
        *avx_phsubwv8hi3, *avx_phsubdv4si3, *avx_phsubswv8hi,
        *avx_pmaddubsw128, *avx_pmulhrswv8hi3, *avx_pshufbv16qi3,
        *avx_psign<mode>3): Set prefix_extra attribute to 1.
        (ssse3_phaddwv4hi3, ssse3_phadddv2si3, ssse3_phaddswv4hi3,
        ssse3_phsubwv4hi3, ssse3_phsubdv2si3, ssse3_phsubswv4hi3,
        ssse3_pmaddubsw, *ssse3_pmulhrswv4hi, ssse3_pshufbv8qi3,
        ssse3_psign<mode>3): Override prefix_rex attribute.
        (*avx_palignrti): Override prefix_extra and length_immediate
        to 1.
        (ssse3_palignrti): Override length_immediate to 1.
        (ssse3_palignrdi): Override length_immediate to 1, override
        prefix_rex attribute.
        (abs<mode>2): Override prefix_rep to 0, override prefix_rex
        attribute.
        (sse4a_extrqi): Override length_immediate to 2.
        (sse4a_insertqi): Likewise.  Override prefix_data16 to 0.
        (sse4a_insertq): Override prefix_data16 to 0.
        (avx_blendp<avxmodesuffixf2c><avxmodesuffix>,
        avx_blendvp<avxmodesuffixf2c><avxmodesuffix>,
        avx_dpp<avxmodesuffixf2c><avxmodesuffix>, *avx_mpsadbw,
        *avx_pblendvb, *avx_pblendw, avx_roundp<avxmodesuffixf2c>256,
        avx_rounds<avxmodesuffixf2c>256): Override prefix_extra
        and length_immediate to 1.
        (sse4_1_blendp<ssemodesuffixf2c>, sse4_1_dpp<ssemodesuffixf2c>,
        sse4_2_pcmpestr, sse4_2_pcmpestri, sse4_2_pcmpestrm,
        sse4_2_pcmpestr_cconly, sse4_2_pcmpistr, sse4_2_pcmpistri,
        sse4_2_pcmpistrm, sse4_2_pcmpistr_cconly): Override prefix_data16
        and length_immediate to 1.
        (sse4_1_blendvp<ssemodesuffixf2c>): Override prefix_data16 to 1.
        (sse4_1_mpsadbw, sse4_1_pblendw): Override length_immediate to 1.
        (*avx_packusdw, avx_vtestp<avxmodesuffixf2c><avxmodesuffix>,
        avx_ptest256): Override prefix_extra to 1.
        (sse4_1_roundp<ssemodesuffixf2c>, sse4_1_rounds<ssemodesuffixf2c>):
        Override prefix_data16 and length_immediate to 1.
        (sse5_pperm_zero_v16qi_v8hi, sse5_pperm_sign_v16qi_v8hi,
        sse5_pperm_zero_v8hi_v4si, sse5_pperm_sign_v8hi_v4si,
        sse5_pperm_zero_v4si_v2di, sse5_pperm_sign_v4si_v2di,
        sse5_vrotl<mode>3, sse5_ashl<mode>3, sse5_lshl<mode>3): Override
        prefix_data16 to 0 and prefix_extra to 2.
        (sse5_rotl<mode>3, sse5_rotr<mode>3): Override length_immediate to 1.
        (sse5_frcz<mode>2, sse5_vmfrcz<mode>2): Don't override prefix_extra
        attribute.
        (*sse5_vmmaskcmp<mode>3, sse5_com_tf<mode>3,
        sse5_maskcmp<mode>3, sse5_maskcmp<mode>3, sse5_maskcmp_uns<mode>3):
        Override prefix_data16 and prefix_rep to 0, length_immediate to 1
        and prefix_extra to 2.
        (sse5_maskcmp_uns2<mode>3, sse5_pcom_tf<mode>3): Override
        prefix_data16 to 0, length_immediate to 1 and prefix_extra to 2.
        (*avx_aesenc, *avx_aesenclast, *avx_aesdec, *avx_aesdeclast,
        avx_vpermilvar<mode>3,
        avx_vbroadcasts<avxmodesuffixf2c><avxmodesuffix>,
        avx_vbroadcastss256, avx_vbroadcastf128_p<avxmodesuffixf2c>256,
        avx_maskloadp<avxmodesuffixf2c><avxmodesuffix>,
        avx_maskstorep<avxmodesuffixf2c><avxmodesuffix>):
        Override prefix_extra to 1.
        (aeskeygenassist, pclmulqdq): Override length_immediate to 1.
        (*vpclmulqdq, avx_vpermil<mode>, avx_vperm2f128<mode>3,
        vec_set_lo_<mode>, vec_set_hi_<mode>, vec_set_lo_v16hi,
        vec_set_hi_v16hi, vec_set_lo_v32qi, vec_set_hi_v32qi): Override
        prefix_extra and length_immediate to 1.
        (*avx_vzeroall, avx_vzeroupper, avx_vzeroupper_rex64): Override
        modrm to 0.
        (*vec_concat<mode>_avx): Override prefix_extra and length_immediate
        to 1 for the first alternative.
        * config/i386/mmx.md (*mov<mode>_internal_rex64): Override
        prefix_rep, prefix_data16 and/or prefix_rex attributes in certain
        cases.
        (*mov<mode>_internal_avx, *movv2sf_internal_rex64,
        *movv2sf_internal_avx, *movv2sf_internal): Override
        prefix_rep attribute for certain alternatives.
        (*mov<mode>_internal): Override prefix_rep or prefix_data16
        attributes for certain alternatives.
        (*movv2sf_internal_rex64_avx): Override prefix_rep and length_vex
        attributes for certain alternatives.
        (*mmx_addv2sf3, *mmx_subv2sf3, *mmx_mulv2sf3,
        *mmx_<code>v2sf3_finite, *mmx_<code>v2sf3, mmx_rcpv2sf2,
        mmx_rcpit1v2sf3, mmx_rcpit2v2sf3, mmx_rsqrtv2sf2, mmx_rsqit1v2sf3,
        mmx_haddv2sf3, mmx_hsubv2sf3, mmx_addsubv2sf3,
        *mmx_eqv2sf3, mmx_gtv2sf3, mmx_gev2sf3, mmx_pf2id, mmx_pf2iw,
        mmx_pi2fw, mmx_floatv2si2, mmx_pswapdv2sf2, *mmx_pmulhrwv4hi3,
        mmx_pswapdv2si2): Set prefix_extra attribute to 1.
        (mmx_ashr<mode>3, mmx_lshr<mode>3, mmx_ashl<mode>3): Set
        length_immediate to 1 if operand 2 is const_int_operand.
        (*mmx_pinsrw, mmx_pextrw, mmx_pshufw_1, *vec_dupv4hi,
        *vec_extractv2si_1): Set length_immediate
        attribute to 1.
        (*mmx_uavgv8qi3): Override prefix_extra attribute to 1 if
        using old 3DNOW insn rather than SSE/3DNOW_A.
        (mmx_emms, mmx_femms): Clear modrm attribute.

2009-05-29  Martin Jambor  <mjambor@suse.cz>

        * tree-sra.c:  New implementation of SRA.

        * params.def (PARAM_SRA_MAX_STRUCTURE_SIZE): Removed.
        (PARAM_SRA_MAX_STRUCTURE_COUNT): Removed.
        (PARAM_SRA_FIELD_STRUCTURE_RATIO): Removed.
        * params.h (SRA_MAX_STRUCTURE_SIZE): Removed.
        (SRA_MAX_STRUCTURE_COUNT): Removed.
        (SRA_FIELD_STRUCTURE_RATIO): Removed.
        * doc/invoke.texi (sra-max-structure-size): Removed.
        (sra-field-structure-ratio): Removed.

2009-05-29  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/40291
        * builtins.c (expand_builtin_memcmp): Convert len to sizetype
        before expansion.

2009-05-29  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/40101
        * sel-sched-ir.c (get_seqno_by_preds): Allow returning negative
        seqno.  Adjust comment.
        * sel-sched.c (find_seqno_for_bookkeeping): Assert that when 
        inserting bookkeeping before a jump, the jump is not scheduled.
        When no positive seqno found, provide a value.  Add comment.

2009-05-29  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-alias.c (nonaliasing_component_refs_p): Remove
        short-cutting on the first component.

2009-05-29  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/39958
        * omp-low.c (scan_omp_1_op): Call remap_type on TREE_TYPE
        for trees other than decls/types.

2009-05-29  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-operands.c (get_expr_operands): Do not handle
        INDIRECT_REFs in the handled-component case.  Remove
        unused get_ref_base_and_extent case.
        * tree-dfa.c (get_ref_base_and_extent): Avoid calling
        tree_low_cst and host_integerp where possible.
        * tree-ssa-structalias.c (equiv_class_label_eq): Check hash
        codes for equivalence.
        * dce.c (find_call_stack_args): Avoid redundant bitmap queries.

2009-05-29  David Billinghurst <billingd@gcc.gnu.org>

        * config.gcc: Add i386/t-fprules-softfp and soft-fp/t-softfp
        to tmake_file for i[34567]86-*-cygwin*. 

2009-05-29  Jakub Jelinek  <jakub@redhat.com>

        PR target/40017
        * config/rs6000/rs6000-c.c (_Bool_keyword): New variable.
        (altivec_categorize_keyword, init_vector_keywords,
        rs6000_cpu_cpp_builtins): Define _Bool as conditional macro
        similar to bool.

2009-05-29  Kai Tietz  <kai.tietz@onevision.com>

        * tree.c (handle_dll_attribute): Check if node is
        of kind FUNCTION_DECL for DECL_DECLARED_INLINE_P check.

2009-05-29  Richard Earnshaw  <rearnsha@arm.com>

        * config/arm/thumb2.md (thumb2_zero_extendsidi2): Add a split
        component.
        (thumb2_zero_extendqidi2): Likewise.

2009-05-28  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_expand_t_scc): Use gen_xorsi3_movrt
        instead of gen_movrt.
        * config/sh/sh.md (movrt): Remove.

2009-05-28  Steve Ellcey  <sje@cup.hp.com>

        * doc/invoke.texi (IA-64 Options)
        Add -msdata, -mfused-madd, -mno-inline-float-divide, 
        -mno-inline-int-divide, -mno-inline-sqrt, -msched-spec-ldc,
        -msched-spec-control-ldc, -msched-prefer-non-data-spec-insns,
        -msched-prefer-non-control-spec-insns,
        -msched-stop-bits-after-every-cycle,
        -msched-count-spec-in-critical-path,
        -msel-sched-dont-check-control-spec, -msched-fp-mem-deps-zero-cost
        -msched-max-memory-insns-hard-limit, -msched-max-memory-insns
        Remove -mt, -pthread, -msched-ldc, -mno-sched-control-ldc,
        and -msched-spec-verbose.

2009-05-28  Joseph Myers  <joseph@codesourcery.com>

        * config/arm/lib1funcs.asm (__clear_cache): Define if
        L_clear_cache.
        * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define to give an
        error if used.
        * config/arm/t-linux-eabi (LIB1ASMFUNCS): Add _clear_cache.

2009-05-28  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-alias.c (ao_ref_init): New function.
        (ao_ref_base): Likewise.
        (ao_ref_base_alias_set): Likewise.
        (ao_ref_alias_set): Likewise.
        (refs_may_alias_p_1): Change signature.
        (refs_may_alias_p): Adjust.
        (refs_anti_dependent_p): Likewise.
        (refs_output_dependent_p): Likewise.
        (call_may_clobber_ref_p_1): Change signature.
        (call_may_clobber_ref_p): Adjust.
        (stmt_may_clobber_ref_p_1): New function split out from ...
        (stmt_may_clobber_ref_p): ... here.
        (maybe_skip_until): Adjust signature.
        (get_continuation_for_phi): Likewise.
        (walk_non_aliased_vuses): Likewise.
        * tree-ssa-alias.h (struct ao_ref_s): New structure type.
        (ao_ref_init): Declare.
        (ao_ref_base): Likewise.
        (ao_ref_alias_set): Likewise.
        (stmt_may_clobber_ref_p_1): Likewise.
        (walk_non_aliased_vuses): Adjust.
        * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): New function.
        (get_ref_from_reference_ops): remove.
        (vn_reference_lookup_2): Adjust signature.
        (vn_reference_lookup_3): Do not re-build trees.  Handle unions.
        (vn_reference_lookup_pieces): Adjust signature, do not re-build
        trees.
        (vn_reference_lookup): Adjust.
        (vn_reference_insert): Likewise.
        (vn_reference_insert_pieces): Adjust signature.
        (visit_reference_op_call): Adjust.
        * tree-ssa-pre.c (get_expr_type): Simplify.
        (phi_translate_1): Adjust.
        (compute_avail): Likewise.
        (translate_vuse_through_block): Do not re-build trees.
        (value_dies_in_block_x): Likewise.
        * tree-ssa-sccvn.h (struct vn_reference_s): Add type and alias-set
        fields.
        (vn_reference_lookup_pieces): Adjust declaration.
        (vn_reference_insert_pieces): Likewise.

2009-05-28  Benjamin Kosnik  <bkoz@redhat.com>

        * tree-ssa-copy.c (replace_exp_1): Move op for warning-free use
        with checking disabled.

2009-05-28  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR target/37216

        * configure.ac (HAVE_GAS_ALIGNED_COMM):  Add autoconf test and
        macro definition for support of three-operand format aligned
        .comm directive in assembler on cygwin/pe/mingw target OS.
        * configure:  Regenerate.
        * config.h:  Regenerate.

        * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common):  Use
        aligned form of .comm directive if -mpe-aligned-commons is in effect.
        * config/i386/cygming.opt (-mpe-aligned-commons):  Add new option.

        * doc/invoke.texi (-mpe-aligned-commons):  Document new target option.
        * doc/tm.texi (ASM_OUTPUT_COMMON):  Document zero size commons.

2009-05-28  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/40254
        * tree-data-ref.c (dr_analyze_innermost): Take POFFSET into account
        in analysis of basic blocks.

2009-05-28  Adam Nemet  <anemet@caviumnetworks.com>

        PR middle-end/33699
        * target.h (struct gcc_target): Fix indentation.  Add
        const_anchor.
        * target-def.h (TARGET_CONST_ANCHOR): New macro.
        (TARGET_INITIALIZER): Use it.
        * cse.c (CHEAPER): Move it up to the other macros.
        (insert): Rename this ...
        (insert_with_costs): ... to this.  Add cost parameters.  Update
        function comment.
        (insert): New function.  Call insert_with_costs.
        (compute_const_anchors, insert_const_anchor, insert_const_anchors,
        find_reg_offset_for_const, try_const_anchors): New functions.
        (cse_insn): Call try_const_anchors.  Adjust cost of src_related
        when using a const-anchor.  Call insert_const_anchors.
        * config/mips/mips.c (mips_set_mips16_mode): Set
        targetm.const_anchor.
        * doc/tm.texi (Misc): Document TARGET_CONST_ANCHOR.

2009-05-28  Alexandre Oliva  <aoliva@redhat.com>

        * tree-inline.c (remap_decls): Enable nonlocalized variables
        when not optimizing.

2009-05-28  Alexandre Oliva  <aoliva@redhat.com>

        * tree-ssa-live.c (remove_unused_locals): Skip when not optimizing.
        Simplify other tests involving optimize.

2009-05-27  Tom Tromey  <tromey@redhat.com>

        * unwind-dw2.c (_Unwind_DebugHook): New function.
        (uw_install_context): Call _Unwind_DebugHook.

2009-05-27  Tom Tromey  <tromey@redhat.com>

        * system.h (CONST_CAST2): Use C++ const_cast when compiled as C++

2009-05-27  Ian Lance Taylor  <iant@google.com>

        * Makefile.in (LINKER, LINKER_FLAGS): Define.
        (LINKER_FOR_BUILD, BUILD_LINKERFLAGS): Define.
        (ALL_LINKERFLAGS): Define.
        (xgcc$(exeext)): Change $(COMPILER) to $(LINKER).
        (cpp$(exeext), cc1-dummy$(exeext), cc1$(exeext)): Likewise.
        (collect2$(exeext), mips-tfile, mips-tdump): Likewise.
        (gcov$(exeext), gcov-dump$(exeext)): Likewise.
        (build/gen%$(build_exeext)): Change $(COMPILER_FOR_BUILD) to
        $(LINKER_FOR_BUILD).
        (build/gcov-iov$(build_exeext)): Likewise.

2009-05-27  Julian Brown  <julian@codesourcery.com>

        * gcse.c (target.h): Include.
        (can_assign_to_reg_without_clobbers_p): Check that the target allows
        copy of argument to a pseudo register.

2009-05-27  Diego Novillo  <dnovillo@google.com>

        * tree-ssa-live.c (dump_scope_block): Document arguments.
        (dump_scope_blocks): Document.
        (debug_scope_blocks): New.
        * tree-flow.h (debug_scope_blocks): Declare.

2009-05-21  Denis Chertykov  <denisc@overta.ru>

        * doc/contrib.texi (Contributors): add myself to the list.

2009-05-27  Olivier Hainque  <hainque@adacore.com>

        * expr.c (target_align): New function.  Alignment the TARGET of an
        assignment may be assume to have.
        (highest_pow2_factor_for_target): Use it instead of relying on
        immediate tree attributes of TARGET, not necessarily honored when
        intermediate bitfields are involved.
        
2009-05-27  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/40266
        * config/i386/driver-i386.c (host_detect_local_cpu): Support
        AVX, SSE4, AES, PCLMUL and POPCNT.

2009-05-27  Diego Novillo  <dnovillo@google.com>

        * tree-pretty-print.c (dump_location): New.
        (dump_generic_node): Call it.
        Factor code to handle BLOCK nodes ...
        (dump_block_node): ... here.

2009-05-27  Rafael Avila de Espindola  <espindola@google.com>

        * Makefile.in (GCC_PLUGIN_H): New. Replace all uses of gcc-plugin.h with
        it.
        * doc/plugins.texi: Document that gcc-plugin.h must be the first to be
        included.
        * gcc-plugin.h: Include config.h and system.h.
        (IN_GCC): Define if not defined.

2009-05-27  Hans-Peter Nilsson  <hp@axis.com>

        PR middle-end/40249
        * Makefile.in (CRTSTUFF_CFLAGS): Replace -fno-inline-functions
        with -fno-inline.

2009-05-27  Shujing Zhao  <pearly.zhao@oracle.com>

        * config/m32r/m32r.c: Use REG_P, MEM_P and CONST_INT_P where
        applicable.
        * config/m32r/m32r.h: Ditto.
        * config/m32r/m32r.md: Ditto.
        * config/m32r/predicates.md: Ditto.

2009-05-27  Alexandre Oliva  <aoliva@redhat.com>

        * cgraph.c (dump_cgraph_node): Honor -fdump-noaddr.

2009-05-26  Basile Starynkevitch  <basile@starynkevitch.net>

        * doc/plugins.texi
        (Loading plugins): typo.
        (Plugin callbacks): Documented PLUGIN_INFO, PLUGIN_GGC_START,
        PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
        (Interacting with the GCC Garbage Collector): Added new section.
        (Giving information about a plugin): Added new section for
        PLUGIN_INFO.
        * ggc.h (ggc_register_root_tab): Added declaration.
        * gcc-plugin.h (PLUGIN_GGC_START, PLUGIN_GGC_MARKING)
        (PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS): Added new events.
        (register_callback): Improved comment in declaration.
        * ggc-common.c (const_ggc_root_tab_t) Added new typedef for
        vectors.
        (extra_root_vec) Added static variable for dynamic roots
        registration.
        (ggc_register_root_tab) Added new routine.
        (ggc_mark_roots) Added iteration inside extra_root_vec, and invoke
        PLUGIN_GGC_MARKING event.
        * ggc-zone.c: Include plugin.h.
        (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
        * ggc-page.c: Include plugin.h.
        (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
        * plugin.c (plugin_event_name): added names of PLUGIN_GGC_START,
        PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS
        (register_callback): check lack of callbacks for
        pseudo-events. Added handling of PLUGIN_REGISTER_GGC_ROOTS,
        PLUGIN_GGC_START, PLUGIN_GGC_MARKING, PLUGIN_GGC_END.
        (invoke_plugin_callbacks): Handle PLUGIN_GGC_START,
        PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
        * Makefile.in (ggc-common.o, ggc-zone.o, ggc-page.o): Added
        dependency on plugin.h.
        (plugin.o): Added dependency on ggc.h...

2009-05-26  Richard Guenther  <rguenther@suse.de>

        PR middle-end/40248
        Revert
        * expr.c (expand_expr_real_1): Avoid calling do_store_flag
        with mismatched comparison modes.

        * expr.c (expand_expr_real_1): Expand the operand of a
        VIEW_CONVERT_EXPR in its natural mode.

2009-05-26  Ian Lance Taylor  <iant@google.com>

        * Makefile.in (COMPILER, COMPILER_FLAGS): Define.
        (COMPILER_FOR_BUILD, BUILD_COMPILERFLAGS): Define.
        (ALL_COMPILERFLAGS): Define.
        (.c.o, xgcc$(exeext), cpp$(exeext)): Use $(COMPILER).
        (cc1-dummy$(exeext), cc1$(exeext)): Likewise.
        (collect2$(exeext), collect2.o): Likewise.
        (c-opts.o, c-cppbuiltin.o, c-pch.o, gcc.o, gccspec.o): Likewise.
        (gcc-options.o, version.o, prefix.o, toplev.o): Likewise.
        ($(out_object_file), mips-tfile, mips-tdump): Likewise.
        (libbackend.o, intl.o, cppdefault.o): Likewise.
        (gcov$(exeext), gcov-dump$(exeext)): Likewise.
        (build/%.o): Use $(COMPILER_FOR_BUILD).
        (build/gen%$(build_exeext)): Likewise.
        (build/gcov-iov$(build_exeext)): LIkewise.
        * config/t-darwin (darwin.o): Use $(COMPILER).
        (darwin-c.o, darwin-f.o, darwin-driver.o): Likewise.
        * config/t-sol2 (sol2-c.o): Likewise.
        (sol2.o): Likewise.
        * config/t-vxworks (vxworks.o): Likewise.
        * config/x-darwin (host-darwin.o): Likewise.
        * config/x-hpux (host-hpux.o): Likewise.
        * config/x-linux (host-linux.o): Likewise.
        * config/x-solaris (host-solaris.o): Likewise.
        * config/alpha/x-alpha (driver-alpha.o): Likewise.
        * config/arm/t-arm (arm-c.o): Likewise.
        * config/arm/t-pe (pe.o): Likewise.
        * config/arm/t-wince-pe (pe.o): Likewise.
        * config/i386/t-cygming (winnt.o): Likewise.
        (winnt-cxx.o, winnt-stubs.o, msformat-c.o): Likewise.
        * config/i386/t-cygwin (cygwin1.o): Likewise.
        (cygwin2.o): Likewise.
        * config/i386/t-i386 (i386-c.o): Likewise.
        * config/i386/t-interix (winnt.o): Likewise.
        * config/i386/t-netware (netware.o): Likewise.
        * config/i386/t-nwld (nwld.o): Likewise.
        * config/i386/x-darwin (host-i386-darwin.o): Likewise.
        * config/i386/x-i386 (driver-i386.o): Likewise.
        * config/i386/x-cygwin (host-cygwin.o): Likewise.
        * config/i386/x-mingw32 (host-mingw32.o): Likewise.
        * config/ia64/t-ia64 (ia64-c.o): Likewise.
        * config/m32c/t-m32c (m32c-pragma.o): Likewise.
        * config/mips/x-native (driver-native.o): Likewise.
        * config/rs6000/t-rs6000 (rs6000-c.o): Likewise.
        * config/rs6000/x-darwin (host-ppc-darwin.o): Likewise.
        * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Likewise.
        * config/rs6000/x-rs6000 (driver-rs6000.o): Likewise.
        * config/score/t-score-elf (score7.o): Likewise.
        (score3.o): Likewise.
        * config/sh/t-sh (sh-c.o): Likewise.
        * config/sh/t-symbian (sh-c.o): Likewise.
        (symbian.o): Likewise.
        * config/spu/t-spu-elf (spu-c.o): Likewise.
        * config/v850/t-v850 (v850-c.o): Likewise.
        * config/v850/t-v850e (v850-c.o): Likewise.

2009-05-26  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/40122
        * tree-ssa-ccp.c (ccp_fold): Fold vector CONSTRUCTORs to
        VECTOR_CSTs if possible.
        (fold_gimple_assign): Likewise.

2009-05-26  Richard Guenther  <rguenther@suse.de>

        PR middle-end/40252
        * fold-const.c (fold_binary): Use the correct types for building
        rotates.

2009-05-26  Richard Guenther  <rguenther@suse.de>

        * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove
        redundant calls to merge_alias_info.
        (bump_vector_ptr): Likewise.
        * tree-ssa-copy.c (merge_alias_info): Remove.
        (replace_exp_1): Remove call to merge_alias_info.
        (propagate_tree_value): Likewise.
        (fini_copy_prop): Propagate points-to info.
        * tree-flow.h (merge_alias_info): Remove.

2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>

        * config/picochip/picochip.C (PARAM_INLINE_CALL_COST): Remove.

2009-05-25  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
        * cgraph.h (struct inline_summary): New filed self_wize,
        size_inlining_benefit, self_time and time_inlining_benefit.
        (struct cgraph_global_info): Replace insns by time ans size fields.
        * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
        (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
        (ipcp_update_callgraph): Do not touch function bodies.
        * ipa-inline.c: Include except.h
        (MAX_TIME): New constant.
        (overall_insns): Remove.
        (leaf_node_p): New.
        (overall_size, max_benefit): New static variables.
        (cgraph_estimate_time_after_inlining): New function.
        (cgraph_estimate_size_after_inlining): Rewrite using benefits.
        (cgraph_clone_inlined_nodes): Update size.
        (cgraph_mark_inline_edge): Update size.
        (cgraph_estimate_growth): Use size info.
        (cgraph_check_inline_limits): Check size.
        (cgraph_default_inline_p): Likewise.
        (cgraph_edge_badness): Compute badness based on benefit and size cost.
        (cgraph_decide_recursive_inlining): Check size.
        (cgraph_decide_inlining_of_small_function): Update size; dump sizes and
        times.
        (cgraph_decide_inlining): Likewise.
        (cgraph_decide_inlining_incrementally): Likewise; honor
        PARAM_EARLY_INLINING_INSNS.
        (likely_eliminated_by_inlining_p): New predicate.
        (estimate_function_body_sizes): New function.
        (compute_inline_parameters): Use it.
        * except.c (must_not_throw_labels): New function.
        * except.h (must_not_throw_labels): Declare.
        * tree-inline.c (init_inline_once): Kill inlining_weigths
        * tree-ssa-structalias.c: Avoid uninitialized warning.
        * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
        (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
        (PARAM_INLINE_CALL_COST): Remove.
        (PARAM_EARLY_INLINING_INSNS): New.

2009-05-25  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36327
        * tree-ssa-alias.c (walk_non_aliased_vuses): Add second walker
        callback for reference translation or lookup at the point
        of may-defs.
        * tree-ssa-alias.h (walk_non_aliased_vuses): Adjust prototype.
        * tree-ssa-sccvn.c (get_ref_from_reference_ops): Bail out
        for union COMPONENT_REFs.
        (vn_reference_lookup_3): New callback.  Lookup from memset
        and CONSTRUCTOR assignment, translate through struct copies.
        (vn_reference_lookup_pieces): Make sure to not free the
        passed operands array.  Adjust walk_non_aliased_vuses call.
        (vn_reference_lookup): Adjust walk_non_aliased_vuses call,
        make sure we do not leak memory.

2009-05-25  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-alias.h (dump_points_to_solution): Declare.
        * tree-inline.c (expand_call_inline): Reset the escaped and
        callused solutions.
        * tree-ssa-structalias.c (pass_build_ealias): New.
        * tree-pass.h (pass_build_ealias): Declare.
        * passes.c (init_optimization_passes): Add PTA during 
        early optimizations.
        * tree-ssa-alias.c (dump_alias_info): Dump the ESCAPED
        and CALLUSED solutions.
        (dump_points_to_solution): New function, split out from ...
        (dump_points_to_info_for): ... here.
        * tree-parloops.c (parallelize_loops): Reset the escaped and
        callused solutions.

2009-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        PR bootstrap/40027
        * config/i386/i386.c (USE_HIDDEN_LINKONCE): Only define if missing.
        * config/i386/sol2.h [!TARGET_GNU_LD] (USE_HIDDEN_LINKONCE): Define.

2009-05-25  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/40238
        * tree-vect-stmts.c (vect_init_vector): Insert initialization
        statements after basic block's labels.
        * tree-vect-slp.c (vect_slp_transform_bb): Call destroy_bb_vec_info() 
        to free the allocated memory.

2009-05-24  Kaz Kojima  <kkojima@gcc.gnu.org>

        * gcc/config/sh/sh.c (sh_set_return_address): Mark store of
        return address with a USE.

2009-05-24  Richard Guenther  <rguenther@suse.de>

        PR middle-end/40233
        * tree.c (make_vector_type): Build the TYPE_DEBUG_REPRESENTATION_TYPEs
        array type from the main variant of the inner type.

2009-05-24  Jan-Benedict Glaw  <jbglaw@lug-owl.de>

        * config/vax/vax-protos.h (legitimate_constant_address_p): Change
        definition to bool (from int) to un-break build.
        (legitimate_constant_p, vax_mode_dependent_address_p): Likewise.

2009-05-24  Paolo Bonzini  <bonzini@gnu.org>

        * tree-ssa-operands.h (push_stmt_changes, pop_stmt_changes,
        discard_stmt_changes): Delete.
        * tree-ssa-operands.c (scb_stack): Delete.
        (init_ssa_operands): Do not initialize it.
        (fini_ssa_operands): Do not free it.
        (push_stmt_changes, pop_stmt_changes, discard_stmt_changes): Delete.

        * tree-cfg.c (replace_uses_by): Replace pop_stmt_changes with 
        update_stmt, remove the others.  Fix comments.
        * tree-dfa.c (optimize_stack_restore): Likewise.
        * tree-ssa-forwprop.c (forward_propagate_addr_expr): Likewise.
        * tree-ssa-loop-ivopts.c (rewrite_use): Likewise.
        * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
        * tree-ssa-ccp.c (optimize_stack_restore, execute_fold_all_builtins):
        Likewise.
        * tree-ssa-propagate.c (substitute_and_fold): Likewise.
        * tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
        (dom_opt_finalize_block): Likewise, adjusting access to stmts_to_rescan.
        (optimize_stmt): Likewise, adjusting access to stmts_to_rescan.
        (stmts_to_rescan): Change item type to gimple.
        (tree_ssa_dominator_optimize): Change type of stmts_to_rescan.

2009-05-24  Ira Rosen  <irar@il.ibm.com>

        * doc/passes.texi (Tree-SSA passes): Document SLP pass.
        * tree-pass.h (pass_slp_vectorize): New pass.
        * params.h (SLP_MAX_INSNS_IN_BB): Define.
        * timevar.def (TV_TREE_SLP_VECTORIZATION): Define.
        * tree-vectorizer.c (timevar.h): Include.
        (user_vect_verbosity_level): Declare.
        (vect_location): Fix comment.
        (vect_set_verbosity_level): Update user_vect_verbosity_level
        instead of vect_verbosity_level.
        (vect_set_dump_settings): Add an argument. Ignore user defined
        verbosity if dump flags require higher level of verbosity. Print to
        stderr only for loop vectorization.
        (vectorize_loops): Update call to vect_set_dump_settings.
        (execute_vect_slp): New function.
        (gate_vect_slp): Likewise.
        (struct gimple_opt_pass pass_slp_vectorize): New.
        * tree-vectorizer.h (struct _bb_vec_info): Define along macros to
        access its members.
        (vec_info_for_bb): New function.
        (struct _stmt_vec_info): Add bb_vinfo and a macro for its access.
        (VECTORIZATION_ENABLED): New macro.
        (SLP_ENABLED, SLP_DISABLED): Likewise.
        (vect_is_simple_use): Add bb_vec_info argument.
        (new_stmt_vec_info, vect_analyze_data_ref_dependences,
        vect_analyze_data_refs_alignment, vect_verify_datarefs_alignment,
        vect_analyze_data_ref_accesses, vect_analyze_data_refs,
        vect_schedule_slp, vect_analyze_slp): Likewise.
        (vect_analyze_stmt): Add slp_tree argument.
        (find_bb_location): Declare.
        (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
        * tree-vect-loop.c (new_loop_vec_info): Adjust function calls.
        (vect_analyze_loop_operations, vect_analyze_loop,
        get_initial_def_for_induction, vect_create_epilog_for_reduction,
        vect_finalize_reduction, vectorizable_reduction,
        vectorizable_live_operation, vect_transform_loop): Likewise.
        * tree-data-ref.c (dr_analyze_innermost): Update comment,
        skip evolution analysis if analyzing a basic block.
        (dr_analyze_indices): Likewise.
        (initialize_data_dependence_relation): Skip the test whether the
        object is invariant for basic blocks.
        (compute_all_dependences): Skip dependence analysis for data
        references in basic blocks.
        (find_data_references_in_stmt): Don't fail in case of invariant
        access in basic block.
        (find_data_references_in_bb): New function.
        (find_data_references_in_loop): Move code to
        find_data_references_in_bb and add a call to it.
        (compute_data_dependences_for_bb): New function.
        * tree-data-ref.h (compute_data_dependences_for_bb): Declare.
        * tree-vect-data-refs.c (vect_check_interleaving): Adjust to the case
        that STEP is 0.
        (vect_analyze_data_ref_dependence): Check for interleaving in case of
        unknown dependence in basic block and fail in case of dependence in
        basic block.
        (vect_analyze_data_ref_dependences): Add bb_vinfo argument, get data
        dependence instances from either loop or basic block vectorization
        info.
        (vect_compute_data_ref_alignment): Check if it is loop vectorization
        before calling nested_in_vect_loop_p.
        (vect_compute_data_refs_alignment): Add bb_vinfo argument, get data
        dependence instances from either loop or basic block vectorization
        info.
        (vect_verify_datarefs_alignment): Likewise.
        (vect_enhance_data_refs_alignment): Adjust function calls.
        (vect_analyze_data_refs_alignment): Likewise.
        (vect_analyze_group_access): Fix printing. Skip different checks if
        DR_STEP is 0. Keep strided stores either in loop or basic block
        vectorization data structure. Fix indentation.
        (vect_analyze_data_ref_access): Fix comments, allow zero step in
        basic blocks.
        (vect_analyze_data_ref_accesses): Add bb_vinfo argument, get data
        dependence instances from either loop or basic block vectorization
        info.
        (vect_analyze_data_refs): Update comment. Call
        compute_data_dependences_for_bb to analyze basic blocks.
        (vect_create_addr_base_for_vector_ref): Check for outer loop only in
        case of loop vectorization. In case of basic block vectorization use
        data-ref itself as a base.
        (vect_create_data_ref_ptr): In case of basic block vectorization:
        don't advance the pointer, add new statements before the current
        statement.  Adjust function calls.
        (vect_supportable_dr_alignment): Support only aligned accesses in
        basic block vectorization.
        * common.opt (ftree-slp-vectorize): New flag.
        * tree-vect-patterns.c (widened_name_p): Adjust function calls.
        (vect_pattern_recog_1): Likewise.
        * tree-vect-stmts.c (process_use): Likewise.
        (vect_init_vector): Add new statements in the beginning of the basic
        block in case of basic block SLP.
        (vect_get_vec_def_for_operand): Adjust function calls.
        (vect_finish_stmt_generation): Likewise.
        (vectorizable_call): Add assert that it is loop vectorization, adjust
        function calls.
        (vectorizable_conversion, vectorizable_assignment): Likewise.
        (vectorizable_operation): In case of basic block SLP, take
        vectorization factor from statement's type and skip the relevance
        check. Adjust function calls.
        (vectorizable_type_demotion): Add assert that it is loop
        vectorization, adjust function calls.
        (vectorizable_type_promotion): Likewise.
        (vectorizable_store): Check for outer loop only in case of loop
        vectorization. Adjust function calls. For basic blocks, skip the
        relevance check and don't advance pointers.
        (vectorizable_load): Likewise.
        (vectorizable_condition): Add assert that it is loop vectorization,
        adjust function calls.
        (vect_analyze_stmt): Add argument. In case of basic block SLP, check
        that it is not reduction, get vector type, call only supported
        functions, skip loop specific parts.
        (vect_transform_stmt): Check for outer loop only in case of loop
        vectorization.
        (new_stmt_vec_info): Add new argument and initialize bb_vinfo.
        (vect_is_simple_use): Fix comment, add new argument, fix conditions
        for external definition.
        * passes.c (pass_slp_vectorize): New pass.
        * tree-vect-slp.c (find_bb_location): New function.
        (vect_get_and_check_slp_defs): Add argument, adjust function calls,
        check for patterns only in loops.
        (vect_build_slp_tree): Add argument, adjust function calls, fail in
        case of multiple types in basic block SLP.
        (vect_mark_slp_stmts_relevant): New function.
        (vect_supported_load_permutation_p): Fix comment.
        (vect_analyze_slp_instance): Add argument. In case of basic block
        SLP, take vectorization factor from statement's type, check that
        unrolling factor is 1. Adjust function call. Save SLP instance in
        either loop or basic block vectorization structure. Return FALSE,
        if SLP failed.
        (vect_analyze_slp): Add argument. Get strided stores groups from
        either loop or basic block vectorization structure. Return FALSE
        if basic block SLP failed.
        (new_bb_vec_info): New function.
        (destroy_bb_vec_info, vect_slp_analyze_node_operations,
        vect_slp_analyze_operations, vect_slp_analyze_bb): Likewise.
        (vect_schedule_slp): Add argument. Get SLP instances from either
        loop or basic block vectorization structure. Set vectorization factor
        to be 1 for basic block SLP.
        (vect_slp_transform_bb): New function.
        * params.def (PARAM_SLP_MAX_INSNS_IN_BB): Define.

2009-05-23  Mark Mitchell  <mark@codesourcery.com>

        * final.c (shorten_branches): Do not align labels for jump tables.
        (final_scan_insn): Use JUMP_TABLE_DATA_P.

2009-05-23  Eric Botcazou  <ebotcazou@adacore.com>

        * doc/passes.texi: Standardize spelling of RTL, Tree and Tree SSA.
        Remove outdated reference to flow.c and fix nits.
        * doc/gccint.texi: Tweak RTL description.
        * doc/rtl.texi: Likewise.

2009-05-23  Denis Chertykov  <chertykov@gmail.com>

        * config/avr/avr.c: Change my email address.
        * config/avr/avr.h: Likewise.
        * config/avr/avr.md: Likewise.
        * config/avr/avr-protos.h: Likewise.
        * config/avr/libgcc.S: Likewise.

2009-05-22  Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>

        * config/spu/spu-protos.h (aligned_mem_p, spu_valid_mov): Remove.
        (spu_split_load, spu_split_store): Change return type to int.
        (spu_split_convert): Declare.
        * config/spu/predicates.md (spu_mem_operand): Remove.
        (spu_mov_operand): Update.
        (spu_dest_operand, shiftrt_operator, extend_operator): Define.
        * config/spu/spu.c (regno_aligned_for_load): Remove.
        (reg_aligned_for_addr, spu_expand_load): Define.
        (spu_expand_extv): Reimplement and handle MEM.
        (spu_expand_insv): Handle MEM.
        (spu_sched_reorder): Handle insn's with length 0.
        (spu_legitimate_address_p): Reimplement.
        (store_with_one_insn_p): Return TRUE for any mode with size
        larger than 16 bytes.
        (address_needs_split): Define.
        (spu_expand_mov): Call spu_split_load and spu_split_store for MEM
        operands.
        (spu_convert_move): Define.
        (spu_split_load): Use spu_expand_load and change all MEM's to TImode.
        (spu_split_store): Change all MEM's to TImode.
        (spu_init_expanders): Preallocate registers that correspond to
        LAST_VIRTUAL_REG+1 and LAST_VIRTUAL_REG+2 and set them with
        mark_reg_pointer.
        (spu_split_convert): Define.
        * config/spu/spu.md (QHSI, QHSDI): New mode iterators.
        (_move<mode>, _movdi, _movti): Update predicate and condition.
        (load, store): Change to define_split.
        (extendqiti2, extendhiti2, extendsiti2, extendditi2): Simplify to
        extend<mode>ti2.
        (zero_extendqiti2, zero_extendhiti2, <v>lshr<mode>3_imm): Define.
        (lshr<mode>3, lshr<mode>3_imm, lshr<mode>3_re): Simplify to one
        define_insn_and_split of lshr<mode>3.
        (shrqbybi_<mode>, shrqby_<mode>): Simplify to define_expand.
        (<v>ashr<mode>3_imm): Define.
        (extv, extzv, insv): Allow MEM operands.
        (trunc_shr_ti<mode>, trunc_shr_tidi, shl_ext_<mode>ti,
        shl_ext_diti, sext_trunc_lshr_tiqisi, zext_trunc_lshr_tiqisi,
        sext_trunc_lshr_tihisi, zext_trunc_lshr_tihisi): Define for combine.
        (_spu_convert2): Change to define_insn_and_split and remove the
        corresponding define_peephole2.
        (stack_protect_set, stack_protect_test, stack_protect_test_si):
        Change predicates to memory_operand.

2009-05-22  Mark Mitchell  <mark@codesourcery.com>

        * config/arm/thumb2.md: Add 16-bit multiply instructions.

2009-05-21  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR tree-optimization/40219
        * tree.c (iterative_hash_expr): Make sure the builtin function is
        a normal builtin function and not a front end or back end builtin
        before indexing into the built_in_decls array.

2009-05-22  Richard Guenther  <rguenther@suse.de>

        PR middle-end/38964
        * alias.c (write_dependence_p): Do not use TBAA for answering
        anti-dependence or output-dependence.
        * tree-ssa-structalias.c (set_uids_in_ptset): Remove TBAA pruning code.
        (emit_pointer_definition): Remove.
        (emit_alias_warning): Likewise.
        (find_what_var_points_to): Remove TBAA pruning code.
        (find_what_p_points_to): Likewise.  Do not warn about strict-aliasing
        violations.
        (compute_points_to_sets): Remove code computing the set of
        dereferenced pointers.
        * tree-data-ref.c (dr_may_alias_p): Properly use the split
        oracle for querying anti and output dependencies.
        * tree-ssa-alias.c (refs_may_alias_p_1): Add argument specifying
        if TBAA may be applied.
        (refs_anti_dependent_p): New function.
        (refs_output_dependent_p): Likewise.
        * tree-ssa-alias.h (refs_anti_dependent_p): Declare.
        (refs_output_dependent_p): Likewise.
        * doc/tree-ssa.texi (Memory model): New section.
        * doc/c-tree.texi (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
        * doc/gimple.texi (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
        * cfgexpand.c (expand_gimple_basic_block): Do not handle
        GIMPLE_CHANGE_DYNAMIC_TYPE or CHANGE_DYNAMIC_TYPE_EXPR.
        * expr.c (expand_expr_real_1): Likewise.
        * gimple-low.c (lower_stmt): Likewise.
        * gimple-pretty-print.c (dump_gimple_stmt): Likewise.
        (dump_gimple_cdt): Remove.
        * gimple.c (gss_for_code): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
        (gimple_size): Likewise.
        (walk_gimple_op): Likewise.
        (is_gimple_stmt): Likewise.
        (walk_stmt_load_store_addr_ops): Likewise.
        (gimple_build_cdt): Remove.
        * gimple.def (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
        * gimple.h (gimple_cdt_new_type): Remove.
        (gimple_cdt_new_type_ptr): Likewise.
        (gimple_cdt_set_new_type): Likewise.
        (gimple_cdt_location): Likewise.
        (gimple_cdt_location_ptr): Likewise.
        (gimple_cdt_set_location): Likewise.
        * gimplify.c (gimplify_expr): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
        * tree-cfg.c (remove_useless_stmts_1): Do not handle
        GIMPLE_CHANGE_DYNAMIC_TYPE.
        (verify_types_in_gimple_stmt): Likewise.
        * tree-inline.c (estimate_num_insns): Likewise.
        (expand_call_inline): Do not copy DECL_NO_TBAA_P.
        (copy_decl_to_var): Likewise.
        (copy_result_decl_to_var): Likewise.
        * tree-pretty-print.c (dump_generic_node): Do not handle
        CHANGE_DYNAMIC_TYPE_EXPR.
        * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
        * tree-ssa-operands.c (get_expr_operands): Likewise.
        * tree-ssa-structalias.c (struct variable_info): Remove
        no_tbaa_pruning member.
        (new_var_info): Do not set it based on DECL_NO_TBAA_P.
        (unify_nodes): Do not copy it.
        (find_func_aliases): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
        (dump_solution_for_var): Do not dump no_tbaa_pruning state.
        (set_uids_in_ptset): Do not check it.
        (find_what_var_points_to): Likewise.
        (compute_tbaa_pruning): Remove.
        (compute_points_to_sets): Do not call it.
        * tree.c (walk_tree_1): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
        * tree.def (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
        * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Remove.
        (CHANGE_DYNAMIC_TYPE_LOCATION): Likewise.
        (DECL_NO_TBAA_P): Likewise.
        (struct tree_decl_common): Move no_tbaa_flag to unused flags section.
        * omp-low.c (copy_var_decl): Do not copy DECL_NO_TBAA_P.
        (expand_omp_atomic_pipeline): Do not set it.
        * print-tree.c (print_node): Do not dump it.
        * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
        redundant check.

2009-05-22 Vladimir Makarov <vmakarov@redhat.com>

        PR target/39856
        * reg-stack.c (subst_stack_regs_pat): Remove gcc_assert for note
        for clobber.

2009-05-22  Mark Mitchell  <mark@codesourcery.com>

        * tree.c (handle_dll_attribute): Mark dllexport'd inlines as
        non-external.

2009-05-22  Ben Elliston  <bje@au.ibm.com>

        * Makefile.in (bversion.h, s-bversion): New targets.
        (TOPLEV_H): Add bversion.h.
        * toplev.h: Include "bversion.h".
        (ATTRIBUTE_GCC_DIAG): When building with checking disabled, use
        the __format__ attribute only if compiling with the same version
        of GCC as the sources (the "build version").

2009-05-22  Ben Elliston  <bje@au.ibm.com>

        * c-format.c (handle_format_attribute): Fix comment typo.

2009-05-21  Steve Ellcey  <sje@cup.hp.com>

        PR target/37846
        * config/ia64/ia64.opt (mfused-madd): New.
        * config/ia64/ia64.h (TARGET_DEFAULT): Set MASK_FUSED_MADD.
        * config/ia64/hpux.h (TARGET_DEFAULT): Ditto.
        * config/ia64/ia64.md (maddsf4, msubsf4, nmaddsf4,
        madddf4, madddf4_trunc, msubdf4, msubdf4_trunc, nmadddf4,
        nmadddf4_truncsf, maddxf4, maddxf4_truncsf, maddxf4_truncdf,
        msubxf4, msubxf4_truncsf msubxf4_truncdf, nmaddxf4,
        nmaddxf4_truncsf, nmaddxf4_truncdf): Check TARGET_FUSED_MADD.
        * config/ia64/vect.md (addv2sf3, subv2sf3): Force fpma/fpms 
        instruction if !TARGET_FUSED_MADD.
        (fpma, fpms): Remove colon from name.

2009-05-22  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Record
        TMR_ORIGINAL.  Always either record TMR_SYMBOL or TMR_BASE.
        * tree-ssa-pre.c (create_component_ref_by_pieces_1): Handle
        TARGET_MEM_REF.
        (create_expression_by_pieces): Only convert if necessary.
        * gimplify.c (gimplify_expr): Handle TARGET_MEM_REF.
        * tree-ssa-loop-im.c (gen_lsm_tmp_name): Handle INTEGER_CST.

2009-05-21  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.md (*extzv_trunc<mode>_exts): Turn into a
        regular pattern from a template and rename it ...
        (*extzv_truncsi_exts): ... to this.

2009-05-21  Richard Guenther  <rguenther@suse.de>

        * cgraph.h (struct cgraph_node): Remove inline_decl member.
        * ipa-inline.c (cgraph_mark_inline_edge): Do not check it.
        (cgraph_default_inline_p): Likewise.
        (cgraph_decide_inlining_incrementally): Likewise.

2009-05-21  H.J. Lu  <hongjiu.lu@intel.com>
            Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/cpuid.h (bit_MOVBE): New.

        * config/i386/driver-i386.c (host_detect_local_cpu): Check movbe.

        * config/i386/i386.c (OPTION_MASK_ISA_MOVBE_SET): New.
        (OPTION_MASK_ISA_MOVBE_UNSET): Likewise.
        (ix86_handle_option): Handle OPT_mmovbe.
        (ix86_target_string): Add -mmovbe.
        (pta_flags): Add PTA_MOVBE.
        (processor_alias_table): Add PTA_MOVBE to "atom".
        (override_options): Handle PTA_MOVBE.

        * config/i386/i386.h (TARGET_MOVBE): New.

        * config/i386/i386.md (bswapsi2): Check TARGET_MOVBE.
        (*bswapsi_movbe): New.
        (*bswapdi_movbe): Likewise.
        (bswapdi2): Renamed to ...
        (*bswapdi_1): This.
        (bswapdi2): New expander.

        * config/i386/i386.opt (mmovbe): New.

        * doc/invoke.texi: Document -mmovbe.

2009-05-21  Taras Glek  <tglek@mozilla.com>

        * plugin.c (try_init_one_plugin): Updated to new plugin_init API.
        * gcc-plugin.h (plugin_init): Updated signature.
        * gcc-plugin.h (plugin_name_args): Moved to this header.
        * doc/plugins.texi (plugin_init): Updated documention to reflect
        API change.
        * doc/plugins.texi (plugin_name_args): Added to documention.

2009-05-21  Mark Mitchell  <mark@codesourcery.com>

        * config/arm/neon.md (*mul<mode>3add<mode>_neon): New pattern.
        (*mul<mode>3neg<mode>add<mode>_neon): Likewise.

2009-05-21  Shujing Zhao  <pearly.zhao@oracle.com>

        * config/i386/i386.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P and
        JUMP_TABLE_DATA_P predicates where applicable.
        * config/i386/predicates.md: Ditto.
        * config/i386/sse.md: Ditto.

2009-05-21  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.md (adddi_4_rex64, addsi_4, addhi_4): For
        operand2 -128 override length_immediate attribute to 1.
        * config/i386/predicates.md (constm128_operand): New predicate.

        * config/i386/i386.c (memory_address_length): Handle %r12
        the same as %rsp and %r13 the same as %rbp.  For %rsp and %rbp
        also check REGNO.
        (ix86_attr_length_address_default): For MODE_SI lea in 64-bit
        mode look through optional ZERO_EXTEND and SUBREG.
        * config/i386/i386.md (R12_REG): New define_constant.
        (prefix_data16): For sse unit set also for MODE_TI insns.
        (prefix_rex): For -m32 always return 0.  For TYPE_IMOVX
        insns set if operand 1 is ext_QIreg_operand.
        (modrm): For TYPE_IMOV clear only if not MODE_DI.  For
        TYPE_{ALU{,1},ICMP,TEST} insn clear if there is non-shortened
        immediate.
        (*movdi_extzv_1, zero_extendhidi2, zero_extendqidi2): Change
        mode from MODE_DI to MODE_SI.
        (movdi_1_rex64): Override modrm and length_immediate attributes
        only for movabs (TYPE_IMOV, alternative 2).
        (zero_extendsidi2_rex64): Clear prefix_0f attribute if TYPE_IMOVX.
        (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit,
        *float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit,
        *float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit,
        *float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Set
        prefix_rex attribute if DImode.
        (*adddi_1_rex64, *adddi_2_rex64, *adddi_3_rex64, *adddi_5_rex64,
        *addsi_1, *addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
        *addsi_3_zext, *addsi_5, *addhi_1_lea, *addhi_1, *addhi_2, *addhi_3,
        *addhi_5, *addqi_1_lea, *addqi_1): Override length_immediate
        attribute to 1 if TYPE_ALU and operand 2 is const128_operand.
        (pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64):
        Likewise.  For TYPE_IMOV clear length_immediate attribute.
        (*ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashldi3_cconly_rex64,
        *ashlsi3_1, *ashlsi3_1_zext, *ashlsi3_cmp, **ashlsi3_cconly,
        *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1, *ashlhi3_cmp,
        *ashlhi3_cconly, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
        *ashlqi3_cconly): Override length_immediate attribute to 0 if TYPE_ALU
        or one operand TYPE_ISHIFT.
        (*ashrdi3_1_one_bit_rex64, *ashrdi3_one_bit_cmp_rex64,
        *ashrdi3_one_bit_cconly_rex64, *ashrsi3_1_one_bit,
        *ashrsi3_1_one_bit_zext, *ashrsi3_one_bit_cmp,
        *ashrsi3_one_bit_cconly, *ashrsi3_one_bit_cmp_zext,
        *ashrhi3_1_one_bit, *ashrhi3_one_bit_cmp, *ashrhi3_one_bit_cconly,
        *ashrqi3_1_one_bit, *ashrqi3_1_one_bit_slp, *ashrqi3_one_bit_cmp,
        *ashrqi3_one_bit_cconly, *lshrdi3_1_one_bit_rex64,
        *lshrdi3_cmp_one_bit_rex64, *lshrdi3_cconly_one_bit_rex64,
        *lshrsi3_1_one_bit, *lshrsi3_1_one_bit_zext, *lshrsi3_one_bit_cmp,
        *lshrsi3_one_bit_cconly, *lshrsi3_cmp_one_bit_zext,
        *lshrhi3_1_one_bit, *lshrhi3_one_bit_cmp, *lshrhi3_one_bit_cconly,
        *lshrqi3_1_one_bit, *lshrqi3_1_one_bit_slp, *lshrqi2_one_bit_cmp,
        *lshrqi2_one_bit_cconly, *rotlsi3_1_one_bit_rex64, *rotlsi3_1_one_bit,
        *rotlsi3_1_one_bit_zext, *rotlhi3_1_one_bit, *rotlqi3_1_one_bit_slp,
        *rotlqi3_1_one_bit, *rotrdi3_1_one_bit_rex64, *rotrsi3_1_one_bit,
        *rotrsi3_1_one_bit_zext, *rotrhi3_one_bit, *rotrqi3_1_one_bit,
        *rotrqi3_1_one_bit_slp): Override length_immediate attribute to 0,
        set mode attribute, don't override length attribute.
        (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Set prefix_0f attribute
        to 1.
        (return_internal_long): Set length attribute to 2 instead of 1.
        (*strmovqi_rex_1, *strsetqi_rex_1, *rep_stosqi_rex64,
        *cmpstrnqi_nz_rex_1, *cmpstrnqi_rex_1, *strlenqi_rex_1): Clear
        prefix_rex attribute.
        * config/i386/predicates.md (ext_QIreg_operand, const128_operand):
        New predicates.
        (memory_displacement_only_operand): Always return 0 for TARGET_64BIT.

2009-05-21  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/thumb2.md (orsi_notsi_si): Fix typo in pattern.

2009-05-20  Ian Lance Taylor  <iant@google.com>

        * tree.c (build_tree_list_vec_stat): New function.
        (ctor_to_vec): New function.
        (build_nt_call_vec): New function.
        (build_call_array): Change args to be a const pointer.
        (build_call_vec): New function.
        * tree.h (build_nt_call_vec): Declare.
        (build_tree_list_vec_stat): Declare.
        (build_tree_list_vec): Define.
        (build_call_array): Update declaration.
        (build_call_vec): Declare.
        (ctor_to_vec): Declare.
        * c-common.c (tree_vector_cache): New static variable.
        (make_tree_vector): New function.
        (release_tree_vector): New function.
        (make_tree_vector_single): New function.
        (make_tree_vector_copy): New function.
        * c-common.h (tree_vector_cache, make_tree_vector): Declare.
        (make_tree_vector_single, make_tree_vector_copy): Declare.
        * c-parser.c (cached_expr_list_1, cached_expr_list_2): Remove.
        (c_parser_expr_list): Don't manage cache here, instead call
        make_tree_vector.
        (c_parser_release_expr_list): Remove static function.
        (c_parser_vec_to_tree_list): Remove static function.
        (c_parser_attributes): Call build_tree_list_vec instead of
        c_parser_vec_to_tree_list.  Call release_tree_vector instead of
        c_parser_release_expr_list.
        (c_parser_postfix_expression_after_primary): Likewise.
        (c_parser_objc_keywordexpr): Likewise.

2009-05-20  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/tm.texi (Misc): Document TARGET_INVALID_PARAMETER_TYPE,
        TARGET_INVALID_RETURN_TYPE, TARGET_PROMOTED_TYPE, and
        TARGET_CONVERT_TO_TYPE.
        * hooks.c (hook_tree_const_tree_null): Define.
        * hooks.h (hook_tree_const_tree_null): Declare.
        * target.h (struct gcc_target):  Add invalid_parameter_type,
        invalid_return_type, promoted_type, and convert_to_type fields.
        * target-def.h: (TARGET_INVALID_PARAMETER_TYPE): Define.
        (TARGET_INVALID_RETURN_TYPE): Define.
        (TARGET_PROMOTED_TYPE): Define.
        (TARGET_CONVERT_TO_TYPE): Define.
        (TARGET_INITIALIZER): Update for new fields.
        * c-decl.c (grokdeclarator): Check targetm.invalid_return_type.
        (grokparms): Check targetm.invalid_parameter_type.
        * c-typeck.c (default_conversion): Check targetm.promoted_type.
        * c-convert.c (convert): Check targetm.convert_to_type.

2009-05-20  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.md (*extenddi_truncate<mode>,
        *extendsi_truncate<mode>): Emit exts if supported.  Add attribute
        defintions.
        (*extendhi_truncateqi): New define_insn_and_sptit.

2009-05-20  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/40204
        * fold-const.c (fold_binary) <case BIT_AND_EXPR>: Avoid infinite
        recursion if build_int_cst_type returns the same INTEGER_CST as arg1.

2009-05-20  Eric Botcazou  <ebotcazou@adacore.com>

        * fold-const.c (build_fold_addr_expr_with_type): Take the address of
        the operand of VIEW_CONVERT_EXPR.

2009-05-20  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/driver-i386.c (host_detect_local_cpu): Check
        extended family and model for Intel processors.  Support Intel
        Atom.

2009-05-20  Olivier Hainque  <hainque@adacore.com>

        * gstab.h (stab_code_type): Define, to be used instead of the
        __stab_debug_code enum, made anonymous.  Add 2009 to the copyright
        notice.
        * dbxout.c (STAB_CODE_TYPE): Remove #define and replace use
        occurrences by stab_code_type.
        * mips-tfile.c (STAB_CODE_TYPE): Remove #define, unused.

2009-05-20  Martin Jambor  <mjambor@suse.cz>

        * tree-flow.h (insert_edge_copies_seq): Undeclare.
        (sra_insert_before): Likewise.
        (sra_insert_after): Likewise.
        (sra_init_cache): Likewise.
        (sra_type_can_be_decomposed_p): Likewise.
        * tree-mudflap.c (insert_edge_copies_seq): Copied here from tree-sra.c
        * tree-sra.c (sra_type_can_be_decomposed_p): Made static.
        (sra_insert_before): Likewise.
        (sra_insert_after): Likewise.
        (sra_init_cache): Likewise.
        (insert_edge_copies_seq): Made static and moved upwards.

        * tree-complex.c (extract_component): Added VIEW_CONVERT_EXPR switch
        case.

        * tree-flow-inline.h (contains_view_convert_expr_p): New function.

        * ipa-prop.c (get_ssa_def_if_simple_copy): New function.
        (determine_cst_member_ptr): Call get_ssa_def_if_simple_copy to skip
        simple copies.

2009-05-20  Richard Guenther  <rguenther@suse.de>

        * expr.c (expand_expr_real_1): Avoid calling do_store_flag
        with mismatched comparison modes.

2009-05-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm.md (*arm_iorsi3): Refactored for only ARM.
        (peephole ior (reg, int) -> mov, ior): Refactored for only ARM.
        * config/arm/thumb2.md (*thumb_andsi_not_shiftsi_si): Allow bic
        with shifts for Thumb2.
        (orsi_notsi): New for orn.
        (*thumb_orsi_notshiftsi_si): Allow orn with shifts.
        (*thumb2_iorsi3): Rewrite support for iorsi for Thumb2.
        * config/arm/arm.c (const_ok_for_op): Split case for IOR for Thumb2.
        (arm_gen_constant): Set can_invert for IOR and Thumb2, Add comments.
        Don't invert remainder for IOR.
        
2009-05-19  Zdenek Dvorak  <ook@ucw.cz>

        PR tree-optimization/40087
        * tree-ssa-loop-niter.c (number_of_iterations_ne_max,
        number_of_iterations_ne): Rename never_infinite argument.
        (number_of_iterations_lt_to_ne, number_of_iterations_lt,
        number_of_iterations_le): Handle pointer-type ivs when
        exit_must_be_taken is false.
        (number_of_iterations_cond):  Do not always assume that
        exit_must_be_taken if the control variable is a pointer.

2009-05-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * c-typeck.c (build_binary_op): Allow % on integal vectors.
        * doc/extend.texi (Vector Extension): Document that % is allowed too.

2009-05-19  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_avoid_jump_mispredicts): Check
        ASM_OUTPUT_MAX_SKIP_PAD instead of ASM_OUTPUT_MAX_SKIP_ALIGN.

2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/40172
        * c.opt (Wlogical-op): Disabled by default.
        * c-opt (c_common_post_options): Do not enable Wlogical-op with
        Wextra.
        * doc/invoke.texi (Wlogical-op): Likewise.
        
2009-05-19  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-scalar-evolution.c (follow_ssa_edge_expr) <NOP_EXPR>: Turn
        into CASE_CONVERT.
        <PLUS_EXPR>: Strip useless type conversions instead of type nops.
        Propagate the type of the first operand.
        <ASSERT_EXPR>: Simplify.
        (follow_ssa_edge_in_rhs): Use gimple_expr_type to get the type.
        Rewrite using the RHS code as discriminant.
        <NOP_EXPR>: Turn into CASE_CONVERT.
        <PLUS_EXPR>: Propagate the type of the first operand.

2009-05-19  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64-protos.h (ia64_dconst_0_5): New.
        (ia64_dconst_0_375): New.
        * config/ia64/ia64.c (ia64_override_options): Remove
        -minline-sqrt-min-latency warning.
        (ia64_dconst_0_5_rtx, ia64_dconst_0_5): New.
        (ia64_dconst_0_375_rtx, ia64_dconst_0_375): New
        * config/ia64/ia64.md (*sqrt_approx): Remove.
        (sqrtsf2): Remove #if 0.
        (sqrtsf2_internal_thr): Rewrite and move to div.md.
        (sqrtdf): Remove assert.
        (sqrtdf2_internal_thr): Rewrite and move to div.md.
        (sqrtxf2): Remove #if 0.
        (sqrtxf2_internal_thr): Rewrite and move to div.md.
        * div.md (sqrt_approx_rf): New.
        (sqrtsf2_internal_thr): New implementation.
        (sqrtsf2_internal_lat): New.
        (sqrtdf2_internal_thr: New implementation.
        (sqrtxf2_internal): New implementation.

2009-05-19  Francois-Xavier Coudert  <fxcoudert@gmail.com>
            Hans-Peter Nilsson  <hp@axis.com>

        * defaults.h (UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE)
        (WCHAR_TYPE, MODIFIED_WCHAR_TYPE, PTRDIFF_TYPE, WINT_TYPE)
        (INTMAX_TYPE, UINTMAX_TYPE, SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE)
        (INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE)
        (UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE)
        (INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE)
        (UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE)
        (INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE)
        (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE)
        (SIZE_TYPE, PID_TYPE, CHAR16_TYPE, CHAR32_TYPE): Move defaults here...
        * c-common.c: ...from here.

2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c-common.c (warn_logical_operator): Remove unnecessary
        conditionals.

2009-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (do_mpc_arg1): Separate MPFR/MPC C rounding types.

2009-05-19  Ben Elliston  <bje@au.ibm.com>

        * unwind-dw2-fde.c (fde_unencoded_compare): Replace type punning
        assignments with memcpy calls.
        (add_fdes): Likewise.
        (binary_search_unencoded_fdes): Likewise.
        (linear_search_fdes): Eliminate type puns.
        
2009-05-19  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do
        not falsely claim to have propagated into all uses.

2009-05-19  Ben Elliston  <bje@au.ibm.com>

        * doc/invoke.texi (C Dialect Options): Update OpenMP specification
        version to v3.0.

2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh-protos.h (sh_legitimate_address_p): Remove.
        * config/sh/sh.c (sh_legitimate_address_p): Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.
        * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/sh/sh.md: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
        
2009-05-18  Dodji Seketeli  <dodji@redhat.com>

        PR debug/40109
        * dwarf2out.c (gen_type_die_with_usage): Generate the DIE as a
        child of the containing namespace's DIE.

2009-05-18  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.md (*zero_extend<GPR:mode>_trunc<SHORT:mode>,
        *zero_extendhi_truncqi):  Move after the zero_extend patterns.
        (*extenddi_truncate<mode>, *extendsi_truncate<mode>): Move after the
        extend patterns.

2009-05-18  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39942
        * config/i386/i386.c (ix86_avoid_jump_misspredicts): Replace
        gen_align with gen_pad.
        (ix86_reorg): Check ASM_OUTPUT_MAX_SKIP_PAD instead of
        #ifdef ASM_OUTPUT_MAX_SKIP_ALIGN.

        * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): New.
        * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.

        * config/i386/i386.md (align): Renamed to ...
        (pad): This.  Replace ASM_OUTPUT_MAX_SKIP_ALIGN with
        ASM_OUTPUT_MAX_SKIP_PAD.

2009-05-18  Andreas Schwab  <schwab@linux-m68k.org>

        * config.gcc: Fix variable syntax.

        PR target/39531
        * config/m68k/m68k.c (output_andsi3): Mask off sign bit copies
        before calling exact_log2.
        (output_iorsi3): Likewise.
        (output_xorsi3): Likewise.

2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (expand_cbranchdi4): Use a scratch register
        for the none zero constant operand except for EQ and NE
        comprisons even when the first operand is R0.

2009-05-18  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/2064.md: Remove trailing whitespaces.
        * config/s390/2084.md: Likewise.
        * config/s390/constraints.md: Likewise.
        * config/s390/fixdfdi.h: Likewise.
        * config/s390/libgcc-glibc.ver: Likewise.
        * config/s390/s390-modes.def: Likewise.
        * config/s390/s390-protos.h: Likewise.
        * config/s390/s390.c: Likewise.
        * config/s390/s390.h: Likewise.
        * config/s390/s390.md: Likewise.
        * config/s390/tpf-unwind.h: Likewise.

2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * config/m68k/m68k.c (m68k_legitimize_address): Fix typo in signature.

2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>

        M68K TLS support.
        * configure.ac (m68k-*-*): Check if binutils support TLS.
        * configure: Regenerate.
        * config/m68k/predicates.md (symbolic_operand): Extend comment.
        * config/m68k/constraints.md (Cu): New constraint.
        * config/m68k/m68k.md (UNSPEC_GOTOFF): Remove.
        (UNSPEC_RELOC16, UNSPEC_RELOC32): New constants.
        (movsi): Handle TLS symbols.
        (addsi3_5200): Handle XTLS symbols, indent.
        * config/m68k/m68k-protos.h (m68k_legitimize_tls_address): Declare.
        (m68k_tls_reference_p): Declare.
        (m68k_legitimize_address): Declare.
        (m68k_unwrap_symbol): Declare.
        * config/m68k/m68k.opt (mxtls): New option.
        * config/m68k/m68k.c (ggc.h): Include.
        (m68k_output_dwarf_dtprel): Implement hook.
        (TARGET_HAVE_TLS, TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
        (m68k_expand_prologue): Load GOT pointer when function needs it.
        (m68k_illegitimate_symbolic_constant_p): Handle TLS symbols.
        (m68k_legitimate_constant_address_p): Same.
        (m68k_decompose_address): Handle TLS references.
        (m68k_get_gp): New static function.
        (enum m68k_reloc): New contants.
        (TLS_RELOC_P): New macro.
        (m68k_wrap_symbol): New static function.
        (m68k_unwrap_symbol): New function.
        (m68k_final_prescan_insn_1): New static function.
        (m68k_final_prescan_insn): New function.
        (m68k_move_to_reg, m68k_wrap_symbol_into_got_ref): New static
        functions.
        (legitimize_pic_address): Handle TLS references..
        (m68k_tls_get_addr, m68k_get_tls_get_addr)
        (m68k_libcall_value_in_a0_p)
        (m68k_call_tls_get_addr, m68k_read_tp, m68k_get_m68k_read_tp)
        (m68k_call_m68k_read_tp): Helper variables and functions for ...
        (m68k_legitimize_tls_address): Handle TLS references.
        (m68k_tls_symbol_p, m68k_tls_reference_p_1, m68k_tls_reference_p):
        New functions.
        (m68k_legitimize_address): Handle TLS symbols.
        (m68k_get_reloc_decoration): New static function.
        (m68k_output_addr_const_extra): Handle UNSPEC_RELOC16 and
        UNSPEC_RELOC32.
        (m68k_output_dwarf_dtprel): Implement hook.
        (print_operand_address): Handle UNSPEC_RELOC16 adn UNSPEC_RELOC32.
        (m68k_libcall_value): Return result in A0 instead of D0 when asked by
        m68k_call_* routines.
        (sched_attr_op_type): Handle TLS symbols.
        (gt-m68k.h): Include.
        * config/m68k/m68k.h (FINAL_PRESCAN_INSN): Define.
        (LEGITIMATE_PIC_OPERAND_P): Support TLS.

2009-05-18  Martin Jambor  <mjambor@suse.cz>

        * ipa-prop.c (ipa_check_stmt_modifications): Removed.
        (visit_store_addr_for_mod_analysis): New function.
        (ipa_detect_param_modifications): Use walk_stmt_load_store_addr_ops.
        (determine_cst_member_ptr): Use gimple_assign_single_p.
        (ipa_get_stmt_member_ptr_load_param): Use gimple_assign_single_p.
        (ipa_analyze_call_uses): Use !gimple_assign_rhs2 rather than number of
        operands.  Don't check number of operands of a NOP_EXPR.

2009-05-18  Eric Fisher  <joefoxreal@gmail.com>

        * doc/tree-ssa.texi (SSA Operands): Fix a mistake.

2009-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/40172
        * c-common.c (warn_logical_operator): Don't warn if one of
        expression isn't always true or false.

2009-05-17  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/biarch32.h: New file.
        * config.gcc: Add for target i386-w64-* the biarch32.h to tm_file.

2009-05-17  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.md (*zero_extend<mode>_trunchi,
        *zero_extend<mode>_truncqi): Merge these into ...
        (*zero_extend<GPR:mode>_trunc<SHORT:mode>): ... this new pattern.
        Name the pattern following this as *zero_extendhi_truncqi.

2009-05-16  Brad Lucier  <lucier@math.purdue.edu>

        PR middle-end/39301
        * hwint.h: Add macro HOST_WIDEST_INT_PRINT.
        * bitmap.c (bitmap_descriptor): Make fields HOST_WIDEST_INT.
        (output_info): Make field HOST_WIDEST_INT.
        (print_statistics): Use HOST_WIDEST_INT_PRINT.
        (dump_bitmat_statistics): Same.

2009-05-16  Francois-Xavier Coudert  <fxcoudert@gmail.com>

        * config.gcc (use_gcc_stdint):  Set to wrap.
        * config/darwin.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
        INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
        UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
        INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
        UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
        INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
        UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
        UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.

2009-05-16  Joseph Myers  <joseph@codesourcery.com>

        * config.gcc (mips*-*-*): Support arch_32, arch_64, tune_32 and
        tune_64.
        * config/mips/mips.h (MIPS_ABI_DEFAULT, MULTILIB_ABI_DEFAULT):
        Move definitions earlier.
        (OPT_ARCH64, OPT_ARCH32): Define.
        (OPTION_DEFAULT_SPECS): Add entries for arch_32, arch_64, tune_32
        and tune_64.

2009-05-16  Richard Earnshaw  <rearnsha@arm.com>

        PR target/40153
        * arm.md (cstoresi_nltu_thumb1): Use a neg of ltu as the pattern name
        implies.

2009-05-16  Richard Earnshaw  <rearnsha@arm.com>

        * arm.md (movdi2): Copy non-reg values to DImode registers.

2009-05-16  Jakub Jelinek  <jakub@redhat.com>

        PR target/39942
        * final.c (label_to_max_skip): New function.
        (label_to_alignment): Only use LABEL_TO_ALIGNMENT if
        CODE_LABEL_NUMBER <= max_labelno.
        * output.h (label_to_max_skip): New prototype.
        * config/i386/i386.c (ix86_avoid_jump_misspredicts): Renamed to...
        (ix86_avoid_jump_mispredicts): ... this.  Don't define if
        ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.  Update comment.
        Handle CODE_LABELs with >= 16 byte alignment or with
        max_skip == (1 << align) - 1.
        (ix86_reorg): Don't call ix86_avoid_jump_mispredicts if
        ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.

        PR target/39942
        * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
        .p2align 3 if MAX_SKIP is smaller than 7.
        * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.

2009-05-15  Ian Lance Taylor  <iant@google.com>

        * alias.c (struct alias_set_entry_d): Rename from struct
        alias_set_entry.  Change all uses.
        * except.c (struct call_site_record_d): Rename from struct
        call_site_record.  Change all uses.
        * except.h (struct eh_region_d): Rename from struct eh_region.
        Change all uses.
        * gcse.c (struct hash_table_d): Rename from struct hash_table.
        Change all uses.
        * graphite.c (struct ivtype_map_elt_d): Rename fromstruct
        ivtype_map_elt.  Change all uses.
        (struct rename_map_elt_d): Rename fromstruct rename_map_elt.
        Change all uses.
        (struct ifsese_d): Rename fromstruct ifsese.  Change all uses.
        * graphite.h (struct name_tree_d): Rename from struct name_tree.
        Change all uses.
        (struct sese_d): Rename from struct sese.  Change all uses.
        * omega.h (struct eqn_d): Rename from struct eqn.  Change all uses.
        (struct omega_pb_d): Rename from struct omega_pb.  Change all uses.
        * optabs.h (struct optab_d): Rename from struct optab.  Change all
        uses.
        (struct convert_optab_d): Rename from struct convert_optab.
        Change all uses.
        * tree-pass.h (struct ipa_opt_pass_d): Rename fromstruct
        ipa_opt_pass.  Change all uses.
        * tree-predcom.c (struct dref_d): Rename from struct dref.  Change
        all uses.

        * c-decl.c (pushtag): If -Wc++-compat, warn if the tag is already
        defined as a typedef.
        (grokdeclarator): If -Wc++-compat, warn if a typedef is already
        defined as a tag.

2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR 16302
        * fold-const.c (make_range,build_range_check,merge_ranges): Move
        declaration to...
        (merge_ranges): Returns bool. 
        * tree.h (make_range): .. to here.
        (build_range_check): Likewise.
        (merge_ranges): Likewise. Renamed from merge_ranges.
        * c-typeck.c (parser_build_binary_op): Update calls to
        warn_logical_operator.
        * c-common.c (warn_logical_operator): Add new warning.
        * c-common.h (warn_logical_operator): Update declaration.
        
2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * ira-conflicts.c (add_insn_allocno_copies): Fix wrong conditional.
        
2009-05-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * doc/install.texi: Document MPC requirements, flags etc.

        * builtins.c (do_mpc_arg1, fold_builtin_ccos): New.
        (fold_builtin_cexp): Ensure we get a complex REAL_TYPE.
        Evaluate constant arguments.
        (fold_builtin_carg): Ensure we get a complex REAL_TYPE.
        (fold_builtin_1): Likewise, also evaluate constant arguments.
        Remove superfluous break.
        (do_mpc_ckconv): New.
        * real.h: Include mpc.h.
        * toplev.c (print_version): Output MPC version info if available.

2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>

        * fold-const.c (fold_convert_const_real_from_real): Check for overflow.

2009-05-15  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_reorg): Call optimize_function_for_speed_p
        only once.

2009-05-15  Jan Hubicka  <jh@suse.cz>

        * doc/invoke.texi (max-early-inliner-iterations): New flag.
        * ipa-inline.c (enum inlining_mode): New INLINE_SIZE_NORECURSIVE.
        (try_inline): Fix return value.
        (cgraph_decide_inlining_incrementally): Honor new value.
        (cgraph_early_inlining): Handle indirect inlining.
        * params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): New.

2009-05-15  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (struct cgraph_node): Add finalized_by_frotnend flag.
        * cgraphunit.c (cgraph_finalize_function): Set it.
        (cgraph_expand_function): Use it.

2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>

        * real.c (encode_ieee_half): Define.
        (decode_ieee_half): Define.
        (ieee_half_format): Define.
        (arm_half_format): Define.
        * real.h (ieee_half_format): Declare.
        (arm_half_format): Declare.

2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>

        * optabs.c (prepare_float_lib_cmp):  Test that the comparison,
        swapped, and reversed optabs exist before trying to use them.

2009-05-15  Paul Brook  <paul@codesourcery.com>
            Sandra Loosemore  <sandra@codesourcery.com>

        * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure
        loads.  Allow PRE_DEC.
        (output_move_neon): Handle PRE_DEC.
        (arm_print_operand): Add 'A' for neon structure loads.
        * config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype.
        * config/arm/neon.md (neon_mov): Update comment.
        * config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand
        calls.
        (Um): New constraint.

2009-05-15  Jan Hubicka  <jh@suse.cz>

        Revert the following patch until testsuite fallout is fixed:
        * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
        * cgraph.h (struct inline_summary): New filed self_wize,
        size_inlining_benefit, self_time and time_inlining_benefit.
        (struct cgraph_global_info): Replace insns by time ans size fields.
        * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
        (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
        (ipcp_update_callgraph): Do not touch function bodies.
        * ipa-inline.c: Include except.h
        (MAX_TIME): New constant.
        (overall_insns): Remove
        (overall_size, max_benefit): New static variables.
        (cgraph_estimate_time_after_inlining): New function.
        (cgraph_estimate_size_after_inlining): Rewrite using benefits.
        (cgraph_clone_inlined_nodes): Update size.
        (cgraph_mark_inline_edge): Update size.
        (cgraph_estimate_growth): Use size info.
        (cgraph_check_inline_limits): Check size.
        (cgraph_default_inline_p): Likewise.
        (cgraph_edge_badness): Compute badness based on benefit and size cost.
        (cgraph_decide_recursive_inlining): Check size.
        (cgraph_decide_inlining_of_small_function): Update size; dump sizes and
        times.
        (cgraph_decide_inlining): Likewise.
        (cgraph_decide_inlining_incrementally): Likewise; honor
        PARAM_EARLY_INLINING_INSNS.
        (likely_eliminated_by_inlining_p): New predicate.
        (estimate_function_body_sizes): New function.
        (compute_inline_parameters): Use it.
        * except.c (must_not_throw_labels): New function.
        * except.h (must_not_throw_labels): Declare.
        * tree-inline.c (init_inline_once): Kill inlining_weigths
        * tree-ssa-structalias.c: Avoid uninitialized warning.
        * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
        (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
        (PARAM_INLINE_CALL_COST): Remove.
        (PARAM_EARLY_INLINING_INSNS): New.

2009-05-15  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
        not TODO_update_ssa.

2009-05-15  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39999
        * gimple.h (gimple_expr_type): Use the expression type looking
        through useless conversions.
        * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
        (vn_nary_op_insert_stmt): Likewise.
        (simplify_binary_expression): Likewise.

2009-05-15  Richard Guenther  <rguenther@suse.de>

        * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
        New options, enabled by default.
        * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
        Document.
        * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
        * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
        * tree-ssa-structalias.c (gate_tree_pta): New function.
        (pass_build_alias): Use it.

2009-05-15  Joseph Myers  <joseph@codesourcery.com>

        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
        recurse on an invariant address if a conversion from a pointer
        type to a wider integer type is involved.

2009-05-15  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
        * cgraph.h (struct inline_summary): New filed self_wize,
        size_inlining_benefit, self_time and time_inlining_benefit.
        (struct cgraph_global_info): Replace insns by time ans size fields.
        * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
        (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
        (ipcp_update_callgraph): Do not touch function bodies.
        * ipa-inline.c: Include except.h
        (MAX_TIME): New constant.
        (overall_insns): Remove
        (overall_size, max_benefit): New static variables.
        (cgraph_estimate_time_after_inlining): New function.
        (cgraph_estimate_size_after_inlining): Rewrite using benefits.
        (cgraph_clone_inlined_nodes): Update size.
        (cgraph_mark_inline_edge): Update size.
        (cgraph_estimate_growth): Use size info.
        (cgraph_check_inline_limits): Check size.
        (cgraph_default_inline_p): Likewise.
        (cgraph_edge_badness): Compute badness based on benefit and size cost.
        (cgraph_decide_recursive_inlining): Check size.
        (cgraph_decide_inlining_of_small_function): Update size; dump sizes and
        times.
        (cgraph_decide_inlining): Likewise.
        (cgraph_decide_inlining_incrementally): Likewise; honor
        PARAM_EARLY_INLINING_INSNS.
        (likely_eliminated_by_inlining_p): New predicate.
        (estimate_function_body_sizes): New function.
        (compute_inline_parameters): Use it.
        * except.c (must_not_throw_labels): New function.
        * except.h (must_not_throw_labels): Declare.
        * tree-inline.c (init_inline_once): Kill inlining_weigths
        * tree-ssa-structalias.c: Avoid uninitialized warning.
        * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
        (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
        (PARAM_INLINE_CALL_COST): Remove.
        (PARAM_EARLY_INLINING_INSNS): New.
        doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
        (inline-call-cost): Remove.
        (early-inlining-insns): New.

2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>

        * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
        for bounds.
        (print_int_cst_bounds_in_octal_p): Likewise.
        (dbxout_type): Adjust calls to above functions.  Be prepared to deal
        with subtypes.
        * dwarf2out.c (base_type_die): Likewise.
        (is_subrange_type): Delete.
        (subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
        (modified_type_die): Call subrange_type_for_debug_p on subtypes.
        * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it if
        the destination type is boolean.
        (build_range_check): Do not special-case subtypes.
        (fold_sign_changed_comparison): Likewise.
        (fold_unary): Likewise.
        * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
        (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
        * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
        * tree.c (subrange_type_for_debug_p): New predicate based on the former
        is_subrange_type.
        * tree.h (subrange_type_for_debug_p): Declare.
        * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
        (convert_affine_scev): Remove call to above function.
        (chrec_convert_aggressive): Likewise.
        * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
        false for conversions involving subtypes.
        * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
        (vrp_val_min): Likewise.
        (needs_overflow_infinity): Likewise.
        (extract_range_from_unary_expr): Likewise.

2009-05-15  Paolo Bonzini  <bonzini@gnu.org>

        * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
        * config/frv/frv.c: Likewise.
        * config/s390/s390.c: Likewise.
        * config/sparc/sparc.h: Likewise.
        * config/i386/i386.h: Likewise.
        * config/i386/i386.c: Likewise.
        * config/crx/crx.c: Likewise.
        * config/m68hc11/m68hc11.h: Likewise.
        * config/iq2000/iq2000.c: Likewise.
        * config/mn10300/mn10300.h: Likewise.
        * config/mn10300/mn10300.c: Likewise.
        * config/m68k/m68k.c: Likewise.
        * config/rs6000/rs6000.c: Likewise.
        * config/rs6000/xcoff.h: Likewise.
        * config/rs6000/linux64.h: Likewise.
        * config/rs6000/sysv4.h: Likewise.
        * config/score/score3.c: Likewise.
        * config/score/score7.c: Likewise.
        * config/score/score.c: Likewise.
        * config/arm/arm.md: Likewise.
        * config/mips/mips.c: Likewise.
        * config/mips/mips.md: Likewise.
        * config/bfin/bfin.h: Likewise.
        * config/pa/pa.c: Likewise.
        * config/pa/constraints.md: Likewise.

        * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
        * config/pdp11/pdp11.c (legitimate_address_p): Delete.
        * config/pdp11/pdp11.h: Use memory_address_p instead.

2009-05-14  Ian Lance Taylor  <iant@google.com>

        * passes.c (finish_optimization_passes): Change i to int.
        * plugin.c (plugins_active_p): Change event to int.
        (dump_active_plugins): Likewise.
        * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
        Add cast.
        * tree.c (tree_range_check_failed): Change c to unsigned int.
        (omp_clause_range_check_failed): Likewise.
        (build_common_builtin_nodes): Change mode to int.  Add cast.
        * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
        (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.

        * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
        ++ or -- with a variable of enum type.

2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>

        PR driver/40144
        * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.

2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>

        * store-motion.c: Do not include params.h
        * Makefile.in: Fix dependencies for various files.

2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>

        * auto-inc-dec.c: Fix pass description, remove apparent
        accidental duplication.

2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/40147
        * ipa-utils.h (memory_identifier_string): Moved to ...
        * tree.h (memory_identifier_string): Here.  Add GTY(()).

2009-05-14  Paolo Bonzini  <bonzini@gnu.org>

        * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
        in the former documentation of...
        (GO_IF_LEGITIMATE_ADDRESS): ... this.
        * ira-conflicts.c (get_dup_num): Use address_operand.
        * targhooks.c (default_legitimate_address_p): New.
        * targhooks.h (default_legitimate_address_p): New.
        * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
        Call hook.
        * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
        * target.h (struct target): Add legitimate_address_p.
        * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
        (TARGET_INITIALIZER): Include it.

        * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
        * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        (REG_OK_STRICT_P): Delete.
        * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
        (frv_legitimate_address_p_1): ... this.
        * config/frv/frv.c (frv_legitimate_address_p): Forward to...
        (frv_legitimate_address_p_1): ... the renamed old
        frv_legitimate_address_p.
        * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/s390/s390-protos.h (legitimate_address_p): Remove.
        * config/s390/s390.c (legitimate_address_p): Rename to...
        (s390_legitimate_address_p): ... this, make static.
        (legitimize_address): Adjust call.
        (TARGET_LEGITIMATE_ADDRESS_P): New.
        * config/s390/constraints.md ("e"): Call strict_memory_address_p.

        * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
        * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/spu/spu-protos.h (spu_legitimate_address): Remove.
        * config/spu/spu.c (spu_legitimate_address): Rename to...
        (spu_legitimate_address_p): ... this, make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
        * config/sparc/sparc.c (legitimate_address_p): Rename to...
        (sparc_legitimate_address_p): ... this, make static and return bool.
        (legitimize_address): Adjust call.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/i386/i386-protos.h (legitimate_address_p): Remove.
        * config/i386/i386.c (legitimate_address_p): Rename to...
        (ix86_legitimate_address_p): ... this, make static.
        (constant_address_p): Move after it, adjust call.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/avr/avr-protos.h (legitimate_address_p): Remove.
        * config/avr/avr.c (legitimate_address_p): Rename to...
        (avr_legitimate_address_p): ... this, make static.
        (legitimize_address): Adjust call.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
        * config/crx/crx.c (crx_legitimate_address_p): Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
        * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
        Remove.
        * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
        Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
        Remove.
        * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
        Rename to...
        (m68hc11_legitimate_address_p): ... this, make static.
        (go_if_legitimate_address_internal): Rename to...
        (m68hc11_legitimate_address_p_1): ... this.
        (legitimize_address): Adjust call.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p): Remove.
        * config/iq2000/iq2000.c (iq2000_legitimate_address_p): Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
        * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
        (mn10300_legitimate_address_p): ... this, make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
        * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
        (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
        * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
        * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
        (rs6000_legitimate_address_p): ... this, make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.
        (REG_MODE_OK_FOR_BASE_P): Delete.
        (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.

        * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
        Delete.
        * config/picochip/picochip.c (picochip_legitimate_address_p): Make
        static, adjust types.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/score/score.c (score_address_p): Rename to...
        (score_legitimate_address_p): ... this.
        (TARGET_LEGITIMATE_ADDRESS_P): New.
        * config/score/score3.c (score3_address_p): Rename to...
        (score3_legitimate_address_p): ... this.
        * config/score/score7.c (score7_address_p): Rename to...
        (score7_legitimate_address_p): ... this.

        * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
        THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
        GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/arm/arm-protos.h (thumb1_legitimate_address_p,
        thumb2_legitimate_address_p): Delete.
        (arm_legitimate_address_p): Rename to...
        (arm_legitimate_address_outer_p): ... this.
        * config/arm/constraints.md ("Uq"): Adjust call.
        * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
        * config/arm/arm.c (arm_legitimate_address_p): New, rename old one to...
        (arm_legitimate_address_outer_p): ... this.
        (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
        * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/vax/vax-protos.h (legitimate_address_p): Remove.
        * config/vax/vax.c (legitimate_address_p): Rename to...
        (vax_legitimate_address_p): ... this, make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
        * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
        * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
        (mmix_legitimate_address_p): ... this, make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
        * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

2009-05-14  Paolo Bonzini  <bonzini@gnu.org>

        * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
        of MODE_COMPLEX_INT.

2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
        LCT_NORMAL in function call.
        * mips-tdump.c (print_file_desc): Add cast to enum type.
        * mips-tfile.c (add_ext_symbol): Add casts to enum types.
        (mark_stabs): Add casts to enum types.
        (parse_stabs_common): Add casts to enum types.

2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
        Check for invalid values of LETTER.

2009-05-13  Taras Glek  <tglek@mozilla.com>

        * attribs.c (register_attribute): moved out attribute registration into
        register_attribute.
        * doc/plugins.texi: Documented register_attribute and PLUGIN_ATTRIBUTES.
        * gcc-plugin.h: Added forward decl for register_attribute.
        * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
        * plugin.c (register_callback, invoke_plugin_callbacks): Added
        PLUGIN_ATTRIBUTES boilerplate.

2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>

        * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
        values even in sentinel and empty entries.
        (ms_printf_flag_specs):  Likewise.
        (ms_scanf_flag_specs):  Likewise.
        (ms_strftime_flag_specs):  Likewise.
        (ms_print_char_table):  Likewise.
        (ms_scan_char_table):  Likewise.
        (ms_time_char_table):  Likewise.

2009-05-13  Doug Kwan  <dougkwan@google.com>

        * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.

2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.md (store): Add attributes for QI and HI.
        Update comment.
        (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
        (truncdi<mode>2): ... this new pattern.

2009-05-13  Brad Hards  <bradh@kde.org>

        * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.

2009-05-14  Jakub Jelinek  <jakub@redhat.com>
            Ben Elliston <bje@au.ibm.com>

        PR middle-end/40035
        * dse.c (check_mem_read_rtx): Guard against width == -1.

2009-05-13  Michael Matz  <matz@suse.de>

        PR middle-end/39976
        * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
        (trivially_conflicts_p): New function.
        (insert_backedge_copies): Use it.

2009-05-13  Janis Johnson  <janis187@us.ibm.com>

        * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
        (handle_stdc_pragma): Use new enum constant names.
        (handle_pragma_float_const_decimal64): Ditto.

2009-05-13  Ian Lance Taylor  <iant@google.com>

        * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
        tree.def.

2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>

        * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
        * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
        multilibs.
        * config/m68k/m68k.h (FL_UCLINUX): Define.

2009-05-13  Jan Hubicka  <jh@suse.cz>

        * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.

2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
        unless -fschedule-insns is specified.

2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/39561
        * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
        TARGET_EXPAND_CBRANCHDI4.
        * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
        * config/sh/sh.opt (mexpand-cbranchdi): Remove.
        (cmpeqdi): Fix comment.

2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
        (sh_legitimate_address_p): Likewise.
        * config/sh/sh.c (sh_legitimate_index_p): New.
        (sh_legitimate_address_p): Likewise.
        * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
        (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
        (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
        (MAYBE_BASE_REGISTER_RTX_P): New macro.
        (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
        (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
        (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
        (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
        (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.

2009-05-12  Jan Hubicka  <jh@suse.cz>

        * tree-inline.c (estimate_operator_cost): Add operands;
        when division happens by constant, it is cheap.
        (estimate_num_insns): Loads and stores are not having cost of 0;
        EH magic stuff is cheap; when computing runtime cost of switch,
        use log2 base of amount of its cases; builtin_expect has cost of 0;
        compute cost for moving return value of call.
        (init_inline_once): Initialize time_based flags.
        * tree-inline.h (eni_weights_d): Add time_based flag.

2009-05-12  Paolo Bonzini  <bonzini@gnu.org>

        * df-core.c: Update head documentation.

2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR bootstrap/40118
        * rs6000.c (rs6000_generate_compare): Use op1b instead of
        shadowing exisiting variable op1.

2009-05-12  Uros Bizjak  <ubizjak@gmail.com>

        PR target/37179
        * config/i386/driver-i386.c (processor_signatures): New enum.
        (SIG_GEODE): Move from vendor_signatures to processor_signatures.
        (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
        processor signature to detect geode processor.

2009-05-12  Paolo Bonzini  <bonzini@gnu.org>

        Revert:

        2009-05-12  Paolo Bonzini  <bonzini@gnu.org>

        * optabs.c (prepare_cmp_insn): Temporarily disable test that
        causes spurious differences between trunk and cond-optab branch.

2009-05-12  Paolo Bonzini  <bonzini@gnu.org>

        * dojump.c (compare_from_rtx): Delete.
        * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
        any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
        if the comparison does not satisfy the predicate; test predicates for
        operands 2 and 3 of a cstore pattern.  Don't try cstore optab
        further if one existing pattern fails.
        * expr.h (compare_from_rtx): Delete.
        (prepare_operand): Declare it.
        * optabs.c: Change "lib call" to "libcall" throughout.
        (bcc_gen_fctn, setcc_gen_code, trap_rtx,
        HAVE_conditional_trap, emit_cmp_insn): Delete.
        (can_compare_p): Delete cmp_optab case.
        (prepare_float_lib_cmp): Return an rtx and a machine mode.
        Accept other parameters by value.
        (prepare_operand): Make non-static.
        (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
        other parameters by value.  Try to widen operands here based on
        an optab_methods argument and looking at cbranch_optab.
        (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
        loop.  Use cbranch_optab directly.
        (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
        prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
        assertion.
        (emit_conditional_move, emit_conditional_add): Inline what's needed
        of compare_from_rtx, using new prepare_cmp_insn for the rest.
        (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
        with COMPARE.  Move cmov_optab and cstore_optab above
        with cbranch_optab, move cmp_optab down with ucmp_optab,
        remove tst_otpab.  Do not initialize trap_rtx.
        (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
        for trap code.  Do not check HAVE_conditional_trap.  Use
        prepare_cmp_insn.  Accept no predicate for operand 3.
        * optabs.h (OTI_cmp): Mark as used only for libcalls.
        (OTI_ctrap, ctrap_optab): New.
        (tst_optab): Delete.
        (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
        * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
        with lookup of ctrap_optab.
        * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn,
        setcc_gen_code): Delete.
        (ctrap_optab): New.

        * combine.c (combine_simplify_rtx, simplify_set): Do not
        special case comparing against zero for cc0 machines.
        * simplify-rtx.c (simplify_binary_operation_1): Never remove
        COMPARE on cc0 machines.
        (simplify_relational_operation): Return a new expression when
        a COMPARE could be removed.
        * final.c (final_scan_insn): Compare cc_status values
        against LHS of a (compare FOO (const_int 0)) cc0 source.
        Also check if cc_status.value is the full compare.

        * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
        (cstoreMM4): Document.
        (conditional_trap): Document ctrapMM4 instead.
        (sync_compare_and_swapMM): Refer to cbranchcc4.
        (Dependent Patterns): Eliminate obsolete information referring to
        the old jump optimization phase.
        (Canonicalization): Include cbranchcc4 case, omit canonicalization
        of compares with 0 on cc0 machines.
        (Jump Patterns): Refer to MODE_CC jump patterns preferably,
        avoiding references to cc0.  Remove text about storing operands
        in cmpMM.
        * doc/tm.texi (Condition Codes): Include blurb on different
        condition code representations, separate into subsections for
        CC0, MODE_CC and conditional execution.

        * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
        alpha_emit_setcc): Accept operands and a machine mode.
        * config/alpha/alpha.c (alpha_emit_conditional_branch):
        Get code/op0/op1 from operands, use machine mode argument
        instead of alpha_compare.fp_p.  Emit the branch here.
        (alpha_emit_setcc): Likewise, and return boolean.
        (alpha_emit_conditional_move): Likewise.  Assert that
        cmp_op_mode == cmp_mode, and simplify accordingly.
        * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
        * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
        (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
        Delete.
        (stack probe test): Use cbranchdi4.
        * config/alpha/predicates.md (alpha_cbranch_operator): New.

        * config/arc/arc.c (gen_compare_reg): Do not emit cmp. 
        * config/arc/arc.h (movsicc, movsfcc): Use it.
        (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
        (cbranchsi4, cstoresi4): New.
        (cmpsi, bCC and sCC expanders): Remove. 

        * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
        * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
        * config/arm/predicates.md (arm_comparison_operator): Only include
        floating-point operators if there is a hardware floating-point unit.
        * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
        deferring to cbranch_cc and cstore_cc respectively.
        (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
        cbranch_cc, cstore_cc): New.
        (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
        arm_compare_op1.
        (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.

        * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
        * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
        as an argument.
        (adjust_insn_length): Adjust calls.
        (avr_reorg): Handle (compare (foo) (const_int 0)).
        * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
        (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
        (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
        (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
        (bCC): Remove.
        (cbranchqi4, cbranchhi4, cbranchsi4): New.
        (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.

        * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
        (cbranchsi4, cstorebi4, cstoresi4): New.
        (movbisi): This insn is duplicate, split it to zero_extend.
        * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
        (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
        (bfin_optimize_loop): Use cbranch expander.
        * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
        * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
        (bfin_bimode_comparison_operator): ... this.
        (bfin_direct_comparison_operator): New.
 
        * config/cris/cris.c (cris_normal_notice_update_cc): Look
        inside (compare FOO (const_int 0)).
        (cris_rtx_costs): Handle ZERO_EXTRACT.
        * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
        (*tstdi_non_v32): Fold in *cmpdi_non_v32.
        (*tstdi_v32): Delete.
        (*cmpdi_non_v32): Add M alternative for operand 1.
        (cmpsi, cmp<mode>): Make private.
        (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
        with COMPARE.
        (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.

        * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
        (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
        (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
        (cc_reg_operand): New.
        (any_cond): Delete.
        * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
        crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
        * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
        * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
        crx_expand_scond): Delete.

        * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
        (cbranchsi4): New.
        * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
        * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.

        * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
        cstoresi4, cstoresf4, cstoredf4): New.
        (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
        * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
        Receive the entire operands array.
        * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
        * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
        * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
        Get test/op0/op1 from the operands array.
        (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.

        * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
        (h8300_expand_store): New.
        * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
        (const_int 0)).
        (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
        (h8300_expand_store): New.
        * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
        or do not try to produce (set (cc0) REG).
        (peepholes): Wrap arguments with COMPARE.  Add a peephole to
        change a compare into a move to a scratch register.  Disable some
        peepholes when comparing with zero.
        (tstsi, tsthi, tstsi, cmpqi): Make private.
        (cmphi): Delete.
        (bCC, sCC): Delete.
        (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
        cstoresi4): New.

        * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
        ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
        (ix86_emit_i387_log1p): Use gen_cbranchxf4.
        (ix86_emit_i387_log1p): Use cbranchxf2.
        (ix86_expand_setcc): Return void.
        * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
        * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
        cmp<MODEF>, cmpcc): Remove.
        (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
        cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
        cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
        (sCC and bCC expanders): Remove.
        (stack_protect_test): Use cbranchcc4.

        * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
        Delete.
        (ia64_expand_compare): Accept three rtx by reference and return void.
        * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
        (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
        from *expr.  Update *expr with the BImode comparison to do.
        * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
        cmptf, bCC, sCC, conditional_trap): Delete.
        (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4, 
        cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
        cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
        ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
        * config/ia64/predicates.md (ia64_cbranch_operator): New.

        * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
        type of last argument.
        * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
        (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
        use machine mode argument instead of branch_type.  Remove dead
        code for floating-point comparisons.
        * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
        * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
        Remove.
        (cbranchsi4, cstoresi4): New.
        * config/iq2000/predicates.md (reg_or_const_operand): New.

        * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
        * config/m32c/m32c.md (any_cond, gl_cond): Delete.
        (b<code>_op): Rewrite to...
        (bcc_op): ... this, using match_operator.
        (s<code>_op): Rewrite to...
        (scc_op): ... this, using match_operator.
        (s<code>_24_op): Rewrite to...
        (scc_op_24): ... this, using match_operator.
        (s<code>_<mode>): Rewrite to...
        (cstore<mode>4): ... this, using match_operator.
        (s<code>_<mode>_24): Rewrite to...
        (cstore<mode>4_24): ... this, using match_operator.
        * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
        m32c_unpend_compare, m32c_expand_scc): Delete.
        * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
        m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
        (m32c_expand_movcc): Change NE to EQ if necessary.
        (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.

        * config/m32r/m32r-protos.h (gen_cond_store): New.
        * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
        (gen_cond_store): New, from sCC patterns.
        (m32r_expand_block_move): Use cbranchsi4.
        * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
        * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
        (cbranchsi4, cstoresi4): New.
        
        * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
        Delete.
        (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
        (m68hc11_notice_update_cc): Look into a compare with 0.
        * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
        Delete.
        * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
        cmphi, cmpqi, bCC): Delete.
        (cbranchsi4, cbranchhi4, cbranchqi4): New.
        (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
        bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
        sets with COMPARE.

        * config/m68k/predicates.md (m68k_cstore_comparison_operator,
        const0_operand, const1_operand, m68k_subword_comparison_operand): New.
        * config/m68k/constraints.md (H): New.
        * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
        the define_insn below.
        (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
        (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
        *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
        patterns): Wrap RHS with COMPARE.
        (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
        (*cmpdi_internal): Name this pattern.
        (cmpdi): Change to define_insn.
        (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
        cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
        (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
        predicate.
        (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
        sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
        (conditional_trap): Change to...
        (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
        (*conditional_trap): Use the ordered_comparison_operator and
        const1_operand predicates.
        * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
        (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
        (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
        * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.

        * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
        mcore_modify_comparison, mcore_gen_compare_reg): Remove.
        (mcore_gen_compare): New. 
        * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
        (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
        (mcore_gen_compare): ... this.
        * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
        (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
        (stack probe pattern): Use cbranchsi4.

        * config/mips/predicates.md (mips_cstore_operator): New.
        * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
        * config/mips/mips.md (any_cond): Delete.
        (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
        always succeed.
        (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
        fixuns_truncsfdi2): Use cbranch patterns.
        (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete. 
        (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
        Adjust call to mips_expand_conditional_branch.
        (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
        cstore<GPR:mode>4.
        * config/mips/mips-protos.h (mips_expand_conditional_branch,
        mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
        * config/mips/mips.c (cmp_operands): Delete.
        (mips_emit_compare): Get comparison operands from *op0/*op1.
        (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
        that it succeeds.  Use op0/op1 instead of cmp_operands.
        (mips_expand_conditional_branch, mips_expand_conditional_move,
        mips_expand_conditional_trap): Likewise.
        (mips_block_move_loop): Use cbranch patterns. 
        * config/mips/mips.h (cmp_operands): Delete.

        * config/mmix/mmix.c (mmix_valid_comparison): Delete.
        (mmix_gen_compare_reg): Just return a register in the right CC mode.
        * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
        * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
        (*cmpcc_folded): Rename to...
        (*cmpdi_folded): this.
        (*cmpcc): Rename to...
        (*cmps): ... this.
        (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
        (bCC): Remove.
        (cbranchdi4): New.
        (cbranchdf4): New.  Handle invalid comparisons here.
        * config/mmix/predicates.md (float_comparison_operator): New.

        * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
        zero_extract to be cheap in (compare (zero_extract) (const_int 0).
        * config/mn10300/mn10300.md (tst): Delete.
        (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
        Name these patterns and wrap RHS in a compare.
        (*cmpsi): Make this pattern private.  Include tst.
        (*cmpsf): Make this pattern private.
        (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
        (compare with zero peepholes): Likewise.
        (bCC): Remove.
        (cbranchsi4, cbranchsf4): New.
        (casesi): Use cbranchsi4.

        * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
        hppa_branch_type): Delete.
        (return_addr_rtx): Use cbranchsi4.
        (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
        Emit CCFPmode comparison here.
        (gen_cmp_fp): Delete, now part of emit_bcond_fp.
        * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
        hppa_branch_type): Delete.
        * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
        (movsicc, movdicc): Remove references to hppa_compare_op0,
        hppa_compare_op1 and compare_from_rtx.
        (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
        (casesi): Use cbranchsi4.

        * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
        * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
        * config/pdp11/pdp11.md (register_or_const0_operand): New.
        (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
        (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
        (bCC): Delete.
        (cbranchdf4, cbranchhi4, cbranchqi4): New.
        (*branch, *branch_inverted): New.

        * config/picochip/picochip.md (cbranchhi4): Use
        ordered_comparison_operator.
        (cmphi, bCC): Remove.

        * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
        (trap_comparison_operator): Delete.
        * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
        rs6000_emit_cbranch): Accept mode and operands.
        * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
        rs6000_compare_fp_p): Delete.   
        (rs6000_generate_compare): Accept mode and comparison.  Extract code
        and op0/op1 from there.  Replace references to rs6000_compare_op0
        and rs6000_compare_op1.
        (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
        extract result from passed operands.
        (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
        extract loc from passed operands.
        (rs6000_emit_cmove): Likewise.
        * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
        rs6000_compare_fp_p): Delete.
        * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
        (cbranch<GPR>4, cbranch<FP>4): New.
        (cstore<mode>4): New.  Consolidate here all choices about when to use
        portable or specialized sCC sequences.
        (stack_protect_test): Use cbranchsi4.
        (conditional_trap): Replace with ctrap<GPR>4.
        (conditional trap insn): Replace trap_comparison_operator with
        ordered_comparison_operator. 

        * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
        (s390_emit_prologue): Use ctrap.
        * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
        * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
        New predicates replacing...
        * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
        (cmp<GPR>, cmp<FP>, cmpcc): Delete.
        (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
        (add<mode>cc): Do not use s390_compare_op0/op1.
        (s<code>): Change to...
        (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
        (seq): Change to...
        (cstorecc4): ... this.  Handle EQ or NE equally.
        (*sne): Un-privatize for use in cstorecc4.
        (b<code>): Change to...
        (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
        (conditional_trap): Replace with...
        (ctrap<GPR>4, ctrap<FP>4): ... these.
        (stack_protect): Use cbranchcc4.

        * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
        * config/score/score-protos.h (score_gen_cmp): Delete.
        * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
        (score_block_move-loop): Use cbranchsi4.
        * config/score/score.md (cbranchsi4): New.
        (cmpsi, bCC): Delete.
        * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
        (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
        * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
        (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
        * config/score/score3.h (score3_gen_cmp): Delete.
        * config/score/score7.h (score7_gen_cmp): Delete.

        * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
        (sh_emit_scc_to_t): ... this.  Return void.
        (from_compare): Rename to...
        (sh_emit_compare_and_branch): ... this.
        (sh_emit_compare_and_set): New.
        (sh_expand_t_scc): Accept operands.
        * config/sh/predicates.md (sh_float_comparison_operator): New.
        * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
        (prepare_scc_operands): Rename to...
        (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
        arguments.
        (sh_emit_cheap_store_flag): New.
        (sh_emit_set_t_insn): New.
        (from_compare): Rename to...
        (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
        handling of TARGET_SH2E floating point to avoid recursive call.
        Generate branch here.
        (sh_emit_compare_and_set): New.
        (sh_expand_t_scc): Get op0/op1 from arguments.
        (sh_emit_cheap_store_flag): New.
        * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
        cases.
        (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
        (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
        (movsicc, movdicc): Do nothing when it recreated operands from
        sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
        prepare_scc_operands (now sh_emit_scc_to_t).
        (udivdi3): Use cstoresi4.
        (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
        bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
        (cbranchint4_media, cbranchfp4_media): New.
        (casesi): Use cbranchdi4.
        (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
        Delete.
        (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
        (movnegt): Remove second operand.
        (cbranchsf4, cbranchdf4): New.
        (stack_protect): Use cbranchdi4/cbranchsi4.

        * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
        (gen_compare_reg): Accept comparison, extract part of it to...
        (gen_compare_reg_1): ... this. 
        (gen_compare_operator): Delete.
        (gen_v9_scc): Accept separate destination, comparison code and arms.
        Do not use sparc_compare_op0/sparc_compare_op1.
        (emit_scc_insn, emit_conditional_branch_insn): New.
        (emit_v9_brxx): Make static.  Remove useless assertion.
        (sparc_emit_float_lib_cmp): Return RTL instead of calling
        emit_cmp_insn.
        (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
        * config/sparc/sparc-protos.h (gen_compare_reg,
        sparc_emit_float_lib_cmp): Adjust prototype.
        (emit_scc_insn, emit_conditional_branch_insn): New.
        (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
        * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
        * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
        iterators to the top.
        (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
        snesi_special_extend, sCC, bCC, seqdi_special_trunc,
        snedi_special_trunc): Delete.
        (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
        and snedi_special_trunc.
        (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
        cbranchdi4, cbranch<F:mode>4): New.
        (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
        here.  Use gen_compare_reg instead of gen_compare_operator.
        (conditional_trap): Replace with...
        (ctrapsi4, ctrapdi4): ... this.
        (stack_protect_test): Use cbranchcc4.

        * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
        argument to rtx.
        * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove. 
        (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
        Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
        from operands[0] or operands[3] depending on is_set.
        * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
        * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
        cmpdf, bCC), sCC: Remove.
        (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4, 
        cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
        cstoredf4): New.
        (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
        spu_emit_branch_or_set.

        * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
        Add two arguments.
        * config/stormy16/stormy16.h (xstormy16_compare_op0,
        xstormy16_compare_op1): Delete.
        * config/stormy16/stormy16.c (xstormy16_compare_op0,
        xstormy16_compare_op1): Delete. 
        (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
        Adjust calls.
        * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
        (cmphi, cmpsi, bCC): Remove.

        * config/v850/v850.md (tstsi, cmpsi): Fold into...
        (*cmpsi): ... this one.
        (cbranchsi4, cstoresi4): New.
        (bCC expanders): Delete.
        (sCC insns): Fold into...
        (*setcc): ... this one.
        (casesi): Do not use gen_cmpsi and gen_bgtu. 
        (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
        (movsicc): Simplify.
        * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.

        * config/vax/vax-protos.h (cond_name): New.
        (vax_output_conditional_branch): Remove.
        * config/vax/vax.c (cond_name): New.
        (vax_output_conditional_branch): Remove.
        * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
        * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
        (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
        (bit<VAXint>): Wrap source with (compare).
        (b<code> and following unnamed pattern): Rename to *branch and
        *branch_reversed.  Change macroization to match_operator.
        (cbranch<VAXint>4, cbranch<VAXfp>4): New.

        * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
        * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
        Change last argument to machine_mode.
        (xtensa_expand_scc): Add machine_mode argument.
        * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
        (gen_conditional_move, xtensa_expand_conditional_branch,
        xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
        instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
        Adjust operand numbers.
        * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
        Delete.
        * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
        (cmpsi, cmpsf, b<code>, s<code>): Delete.
        (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.

2009-05-12  Paolo Bonzini  <bonzini@gnu.org>

        * optabs.c (prepare_cmp_insn): Temporarily disable test that
        causes spurious differences between trunk and cond-optab branch.

2009-05-12  Alexandre Oliva  <aoliva@redhat.com>

        PR target/37137
        * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.

2009-05-12  Alexandre Oliva  <aoliva@redhat.com>

        * tree.c (iterative_hash_pointer): Delete.
        (iterative_hash_expr): Short-circuit handling of NULL pointer.
        Hash UIDs and versions of SSA names.  Don't special-case built-in
        function declarations.

2009-05-11  Ian Lance Taylor  <iant@google.com>

        PR bootstrap/40103
        * graphite.c: Force -Wc++-compat to only be a warning before
        #including "cloog/cloog.h".

2009-05-11  Martin Jambor  <mjambor@suse.cz>

        * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
        
2009-05-11  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-loop-ivcanon.c: Include target.h
        (struct loop_size): new structure.
        (constant_after_peeling): New predicate.
        (tree_estimate_loop_size): New function.
        (estimated_unrolled_size): Rewrite for new estimates.