2008-05-30 Richard Guenther <rguenther@suse.de>

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

2008-05-30  Richard Guenther  <rguenther@suse.de>

        * builtins.c (build_string_literal): Avoid generating
        a non-gimple_val result.

2008-05-30  DJ Delorie  <dj@redhat.com>

        * exec-tool.in: Use an environment variable (private) instead of a
        file (shared) as a semaphore, so as to not break parallel builds.

2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>

        * optabs.c (maybe_encapsulate_block): Remove.
        (emit_libcall_block): Adjust accordingly.
        * optabs.h (maybe_encapsulate_block): Remove prototype.

        * config/rs6000/rs6000.c (rs6000_legitimize_tls_address):
        Don't use maybe_encapsulate_block.

2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>

        * config/rs6000/rs6000.c (rs6000_legitimize_address,
        rs6000_legitimize_reload_address, rs6000_emit_move): Make sure an
        rtx is a SYMBOL_REF before calling get_pool_constant.

2008-05-30  Eric Botcazou  <ebotcazou@adacore.com>

        * fold-const.c (fold_unary) <CASE_CONVERT>: Add ??? comment.

2008-05-30  Danny Smith  <dannysmith@users.sourceforge.net>

        * incpath.c: Use HOST_LACKS_INODE_NUMBERS conditional
        rather than OS names to choose INO_T_EQ definition.
        (DIRS_EQ) [!INO_T_EQ]: Don't worry about case in comparison.
        (add_path) [!INO_T_EQ]: Use lrealpath to fill canonical_name
        field.

2008-05-29  Daniel Franke  <franke.daniel@gmail.com>

        PR target/36348
        * config/darwin-f.c: New.
        * config/t-darwin: Added rule to build darwin-f.o.
        * config.gcc: Defined new variable, fortran_target_objs.
        (*-*-darwin*): Set fortran_target_objs.
        * Makefile.in: Defined new variable FORTRAN_TARGET_OBJS.
        * configure.ac: Substitute fortran_target_objs, set
        FORTRAN_TARGET_OBJS.
        * configure: Regenerated.

2008-05-29  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/35771
        * config/i386/i386.c (ix86_function_arg_boundary): Convert to
        canonical type if needed.

2008-05-29  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-nested.c (check_for_nested_with_variably_modified): Fix typo.

2008-05-29  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36343
        PR tree-optimization/36346
        PR tree-optimization/36347
        * tree-flow.h (clobber_what_p_points_to): Declare.
        * tree-ssa-structalias.c (set_uids_in_ptset): Whether the
        pointed-to variable is dereferenced is irrelevant to whether
        the pointer can access the pointed-to variable.
        (clobber_what_p_points_to): New function.
        * tree-ssa-alias.c (set_initial_properties): Use it.
        * tree-ssa.c (verify_flow_sensitive_alias_info): Adjust
        call clobber check for NMTs.

2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
        
        * value-prof.c (tree_ic_transform): Use HOST_WIDEST_INT_PRINT_DEC
        for printing gcov_type.

2008-05-28  Seongbae Park  <seongbae.park@gmail.com>

        * tree-ssa-propagate.c (set_rhs): Preserve the histogram
        and the eh region information.
        * value-prof.c (gimple_move_stmt_histograms): New function.
        * value-prof.h (gimple_move_stmt_histograms): New function declaration.

2008-05-28  Andreas Tobler  <a.tobler@schweiz.org>

        * config/pa/pa.md: Remove extern frame_pointer_needed declaration.

2008-05-28  Seongbae Park <seongbae.park@gmail.com>

        * value-prof.c (tree_ic_transform): Print counts.
        * tree-profile.c (tree_gen_ic_func_profiler):
        Clear __gcov_indreict_call_callee variable
        to avoid misattribution of the profile.

2008-05-28  Rafael Espindola  <espindola@google.com>

        * see.c (see_def_extension_not_merged): Use copy_rtx_if_shared to avoid
        invalid sharing.

2008-05-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36339
        * tree-ssa-alias.c (set_initial_properties): Move pt_anything
        and clobbering code out of the loop.

2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/constraints.md ('b', 'C', 'D', 'e'): New constraint
        letters defined.

        * config/s390/s390.c (s390_compare_and_branch_condition_mask,
        s390_contiguous_bitmask_p, s390_symref_operand_p,
        s390_check_symref_alignment, s390_reload_larl_operand,
        s390_reload_symref_address): New functions.
        (s390_branch_condition_mnemonic): Support compare and branch
        instructions.
        (s390_mem_constraint): Avoid symrefs to accepted by the 'T'
        and 'W' constraints.
        (s390_secondary_reload): Add secondary reloads for unaligned
        symbol refs or symbol refs to floating point or QI/TI mode
        integer values.
        (legitimate_address_p): Accept symbol references as addresses.
        (s390_expand_insv): Use rotate and insert selected bits
        instruction for insv when building for z10.
        (print_operand_address): Handle symbol ref addresses.
        (print_operand): Output modifier 'c' added for signed byte
        values.
        (s390_encode_section_info): Mark symbol refs with
        SYMBOL_FLAG_NOT_NATURALLY_ALIGNED if appropriate.

        * config/s390/s390.md (SIL,RRS,RIS): New instruction formats added.
        (length attribute): RRF, RRR have 4 byte length.
        (FPALL, INTALL): New mode iterators added.
        (*tstdi_sign, *cmpdi_ccs_sign, *cmpsi_ccs_sign,
        *cmp<mode>_ccs, *cmpdi_ccu_zero, *cmpdi_ccu, *cmpsi_ccu, *cmphi_ccu,
        *movdi_64, *movsi_zarch, *movhi, movmem<mode>, *movmem_short,
        *extendsidi2, *extendhidi2_extimm, *extendhisi2_extimm,
        *zero_extendsidi2, adddi3, *adddi3_31z, *adddi3_31, addsi3,
        *add<mode>3, *add<mode>3_carry1_cc, *add<mode>3_carry2_cc,
        *add<mode>3_cc, *add<mode>3_imm_cc, *muldi3_sign, muldi3,
        *mulsi3_sign, mulsi3, mulsidi3): Patterns enhanced with z10
        instructions.
        (*cmphi_ccs_z10, *cmpdi_ccs_signhi_rl, *cmpsi_ccu_zerohi_rlsi,
        *cmp<GPR:mode>_ccu_zerohi_rldi, *cmp_and_br_signed_<mode>,
        *cmp_and_br_unsigned_<mode>, reload<INTALL:mode><P:mode>_tomem_z10,
        reload<INTALL:mode><P:mode>_toreg_z10,
        reload<FPALL:mode><P:mode>_tomem_z10,
        reload<FPALL:mode><P:mode>_toreg_z10,
        reload<P:mode>_larl_odd_addend_z10, *execute_rl, *insv<mode>_z10,
        *insv<mode>_z10_noshift, *insv<mode>_or_z10_noshift,
        *zero_extendhi<mode>2_z10, *cmp_and_trap_signed_int<mode>,
        *cmp_and_trap_unsigned_int<mode>, prefetch): New pattern or expander
        definition.
        (movmem, clrmem, cmpmem): New splitters added.

        * config/s390/predicates.md (larl_operand): Use
        SYMBOL_REF_FLAGS (op) & SYMBOL_FLAG_ALIGN1 replaced with
        SYMBOL_REF_ALIGN1_P.
        (s390_signed_integer_comparison,
        s390_unsigned_integer_comparison): New predicates.

        * config/s390/s390-protos.h (s390_check_symref_alignment,
        s390_contiguous_bitmask_p, s390_reload_larl_operand,
        s390_reload_symref_address,
        s390_compare_and_branch_condition_mask): Prototypes added.

        * config/s390/s390.h (TARGET_MEM_CONSTRAINT,
        SYMBOL_REF_ALIGN1_P, SYMBOL_FLAG_NOT_NATURALLY_ALIGNED,
        SYMBOL_REF_NOT_NATURALLY_ALIGNED_P): Macro definition added.

2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (z10_cost): New cost function for z10.
        (s390_handle_arch_option, override_options): Support
        -march=z10 switch.
        (s390_issue_rate): Adjust issue rate for z10.
        * config/s390/s390.h (processor_type): Add PROCESSOR_2097_Z10.
        (processor_flags): Add PF_Z10.
        (TARGET_CPU_Z10, TARGET_Z10): New macro definitions.
        * config/s390/s390.md (cpu, cpu_facility attributes): Add z10.
        * gcc/config.gcc: Add z10.

2008-05-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36291
        * tree-flow. h (struct gimple_df): Remove var_anns member.
        * tree-flow-inline.h (gimple_var_anns): Remove.
        (var_ann): Simplify.
        * tree-dfa.c (create_var_ann): Simplify.
        (remove_referenced_var): Clear alias info from var_anns of globals.
        * tree-ssa.c (init_tree_ssa): Do not allocate var_anns.
        (delete_tree_ssa): Clear alias info from var_anns of globals.
        Do not free var_anns.
        (var_ann_eq): Remove.
        (var_ann_hash): Likewise.

2008-05-28  Mark Shinwell  <shinwell@codesourcery.com>

        * config/mips/mips.c (mips_cpu_info_table): Add loongson2e
        and loongson2f entries.
        (mips_rtx_cost_data): Add entries for Loongson-2E/2F.
        * config/mips/mips.h (processor_type): Add Loongson-2E
        and Loongson-2F entries.
        (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF): New.
        (MIPS_ISA_LEVEL_SPEC): Handle Loongson-2E/2F.
        * config/mips/mips.md (define_attr cpu): Add loongson2e and loongson2f.
        * doc/invoke.texi (MIPS Options): Document loongson2e
        and loongson2f processor names.

2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/35767
        PR target/35771
        * config/i386/i386.c (ix86_function_arg_boundary): Use
        alignment of canonical type.
        (ix86_expand_vector_move): Check unaligned memory access for
        all SSE modes.

2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>

        * dwarf2out.c (current_fde): Change return type to dw_fde_ref.
        Moved to the front of file.

2008-05-27  Xuepeng Guo  <xuepeng.guo@intel.com>
            H.J. Lu  <hongjiu.lu@intel.com>

        * dwarf2out.c (current_fde): New.
        (add_cfi): Use it.
        (lookup_cfa:): Likewise.
        (dwarf2out_end_epilogue): Likewise.
        (dwarf2out_note_section_used): Likewise.

2008-05-27  Michael Matz  <matz@suse.de>

        PR c++/27975
        * c.opt (Wenum-compare): New warning option.
        * doc/invoke.texi  (Warning Options): Document -Wenum-compare.

2008-05-27  Michael Matz  <matz@suse.de>

        PR middle-end/36326
        * tree-gimple.c (is_gimple_mem_rhs): Remove work-around for
        non-BLKmode types.
        * tree-tailcall.c (find_tail_calls): Don't mark calls storing
        into memory as tail calls.

2008-05-27  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36339
        * tree-ssa-alias.c (set_initial_properties): Escaped pt_anything
        pointers cause all addressable variables to be call clobbered.

2008-05-27  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36245
        * tree-ssa-address.c (add_to_parts): Deal with non-pointer
        bases.

2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.md: Replace all occurences of the 'm'
        constraint with 'RT'.

2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.md ("cpu_facility", "enabled"): Attribute
        definitions added.
        ("*movdi_64dfp", "*movdi_64extimm", "*movdi_64"): Merged into
        "*movdi_64".
        ("*anddi3_extimm", "*anddi3"): Merged into "*anddi3".
        ("*iordi3_extimm", "*iordi3"): Merged into "*iordi3".
        ("*xordi3_extimm", "*xordi3"): Merged into "*xordi3".

2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>

        * reload.c: (find_reloads): Skip alternatives according to the
        "enabled" attribute. Constify the constraint variable.
        * recog.c (get_attr_enabled): Add default implementation.
        (extract_insn): Set the alternative_enabled_p array
        in the recog_data struct.
        (preprocess_constraints, constrain_operands): Skip
        alternatives according to the "enabled" attribute
        * recog.h (struct recog_data): New field alternative_enabled_p.
        (skip_alternative): New inline function.
        * regclass.c: (record_operand_costs): Check the "enabled"
        attribute.
        (record_reg_classes): Skip alternative according to the
        "enabled" attribute.

        * doc/md.texi: Add documention for the "enabled" attribute.

2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>

        * defaults.h (TARGET_MEM_CONSTRAINT): New target macro added.
        * postreload.c (reload_cse_simplify_operands): Replace 'm'
        constraint with TARGET_MEM_CONSTRAINT.
        * recog.c (asm_operand_ok, preprocess_constraints,
        constrain_operands): Likewise.
        * regclass.c (record_reg_classes): Likewise.
        * reload.c (find_reloads, alternative_allows_const_pool_ref):
        Likewise.
        * reload1.c (maybe_fix_stack_asms): Likewise.
        * stmt.c (parse_output_constraint, parse_input_constraint):
        Likewise.
        * recog.h: Adjust comment.
        * genpreds.c (generic_constraint_letters): Remove 'm' constraint.
        * genoutput.c (note_constraint): Don't emit error for 'm'
        constraint.
        * doc/md.texi: Add a note to description of 'm' constraint.
        * doc/tm.texi: Document the new TARGET_MEM_CONSTRAINT macro.

2008-05-27  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-sra.c (sra_type_can_be_decomposed_p) <RECORD_TYPE>: Make sure
        that the bitfield is of integral type before testing its precision.

2008-05-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
            Sa Liu  <saliu@de.ibm.com> 

        * config/spu/spu.c (spu_init_libfuncs): Add __multi3, __divti3, 
        __modti3, __udivti3, __umodti3 and __udivmodti4.
        * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add files
        that implement TImode mul and div functions.
        * config/spu/multi3.c: New. Implement __multi3.
        * config/spu/divmodti4.c: New. Implement _udivmodti4 and others.
        * testsuite/gcc.target/spu/muldivti3.c: New. Test TImode mul and div
        functions on SPU.

2008-05-26  Steven Bosscher  <stevenb.gcc@gmail.com>

        * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Generate
        new tls_gd_* and tls_ld_* insns instead of an insn sequence.
        * config/rs6000/rs6000.md (TLSmode, tls_abi_suffix, tls_insn_suffix,
        tls_sysv_suffix): New mode and mode attribute iterators.
        (tls_gd_32, tls_gd_64, tls_ld_32, tls_ld_64): Remove.
        (lts_gd_aix*, tls_gd_sysv*, tls_ld_aix*, tls_ld_sysv*): New patterns.
        (tls_dtprel_*, tls_dtprel_ha_*, tls_dtprel_lo_*, tls_got_dtprel_*,
        tls_tprel_*, tls_tprel_ha_*, tls_tprel_lo_*, tls_got_tprel_*,
        tls_tls_*): Merge 32 bit and 64 bit variants using aforementioned
        iterators.

2008-05-26  Eric Botcazou  <ebotcazou@adacore.com>

        PR tree-optimization/36329
        * tree.h (CALL_CANNOT_INLINE_P): Add access check.
        * tree-gimple.h (CALL_STMT_CANNOT_INLINE_P): New macro.
        * cgraphbuild.c (initialize_inline_failed): Use the latter
        macro in lieu of the former.
        * ipa-inline.c (cgraph_mark_inline): Likewise.
        (cgraph_decide_inlining_of_small_function): Likewise.
        (cgraph_decide_inlining): Likewise.
        (cgraph_decide_inlining_incrementally): Likewise.

2008-05-26  Tristan Gingold  <gingold@adacore.com>
            Anatoly Sokolov  <aesok@post.ru>

        * config/avr/avr.md ("call_prologue_saves"): Use hi8(gs())/lo8(gs())
        instead of pm_lo8/pm_hi8 to makes this call working on avr6.
        * config/avr/avr.c (expand_prologue): Tune "call_prologue" 
        optimization for 'avr6' architecture.

2008-05-26  Andy Hutchinson  <hutchinsonandy@aim.com>

        PR target/34932
        * config/avr/avr.md (*addhi3_zero_extend2): Remove.

2008-05-26  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.c (expr_has_constants): Declare.
        (visit_reference_op_load): Initialize VN_INFO->has_constants
        properly.

2008-05-26  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/36253
        * caller-save.c (insert_restore): Verify alignment of spill
        space.
        (insert_save): Likewise.

        * cfgexpand.c (LOCAL_ALIGNMENT): Removed.

        * defaults.h (LOCAL_ALIGNMENT): New. Provide default.
        (STACK_SLOT_ALIGNMENT): Likewise.

        * function.c (LOCAL_ALIGNMENT): Removed.
        (get_stack_local_alignment): New.
        (assign_stack_local): Use it.  Set alignment on stack slot.
        (assign_stack_temp_for_type): Use get_stack_local_alignment.

        * config/i386/i386.h (LOCAL_ALIGNMENT): Updated.
        (STACK_SLOT_ALIGNMENT): New.

        * config/i386/i386.c (ix86_local_alignment): Handle caller-save
        stack slot in XFmode.

        * doc/tm.texi (STACK_SLOT_ALIGNMENT): New.

2008-05-26  Kai Tietz  <kai.tietz@onevision.com>

        PR/36321
        * config/i386/i386.md (allocate_stack_worker_64): Make sure
        argument operand in rax isn't removed.

2008-05-26  Richard Guenther  <rguenther@suse.de>

        PR middle-end/36300
        * fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS,
        not TYPE_UNSIGNED.  Use TYPE_PRECISION instead of GET_MODE_SIZE.

2008-05-26  Daniel Franke  <franke.daniel@gmail.com>

        PR bootstrap/36331
        * c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__.

2008-05-26  Dominique Dhumieres  <dominiq@lps.ens.fr>

        * config/darwin-c.c: Include "incpath.h" instead of "c-incpath.h".
        * config/t-darwin: Use "incpath.h" instead of "c-incpath.h".

2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>

         * tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
        build a trampoline if we don't want one.
        * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Do not
        return zero for nested functions if we don't want a trampoline.

2008-05-26  Daniel Franke  <franke.daniel@gmail.com>

        * doc/invoke.texi: Added f77, f77-cpp-input to list of file types.

2008-05-26  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/18428
        * c.opt: Removed undocumented option '-lang-fortran'.
        * c-common.h: Removed global variable 'lang_fortran'.
        * c-opts.c (c_common_handle_option): Removed code to handle
        option '-lang-fortran'. Updated includes.
        * c-cppbuiltin.c (c_cpp_builtins): Removed conditional
        definition of '__GFORTRAN__'.
        (define__GNUC__): Reimplemented to use BASEVER and
        cpp_define_formatted.
        (builtin_define_with_value_n): Removed.
        * c-incpath.h: Renamed to ...
        * incpath.h: ... this.
        * c-incpath.c: Renamed to ...
        * incpath.c: ... this. Updated includes.
        * fix-header.c: Updated includes.
        * Makefile.in: Replaced c-incpath.[ch] by incpath.[ch].
        (c-cppbuiltin.o): Added dependency on and definition of BASEVER.
        (OBJ-archive): Added cppdefault.o, incpath.o and prefix.o.

2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.h: Update the table of flags used on tree nodes.
        (TREE_NO_TRAMPOLINE): New accessor for static_flag.
        (SAVE_EXPR_RESOLVED_P): Use automatically-built access check.
        (FORCED_LABEL): Add access check.
        (CALL_EXPR_RETURN_SLOT_OPT): Likewise.
        (ASM_INPUT_P): Likewise.
        (ASM_VOLATILE_P): Likewise.
        (EH_FILTER_MUST_NOT_THROW): Access static_flag directly.
        (OMP_SECTION_LAST): Access private_flag directly.
        (OMP_RETURN_NOWAIT): Likewise.
        (OMP_PARALLEL_COMBINED): Likewise.
        (OMP_CLAUSE_PRIVATE_DEBUG): Access public_flag directly.
        (OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE): Likewise.
        * tree-ssa-propagate.c (STMT_IN_SSA_EDGE_WORKLIST): Access
        deprecated_flag directly.

2008-05-25  H.J. Lu  <hongjiu.lu@intel.com>

        * final.c (frame_pointer_needed): Removed.
        * flags.h (frame_pointer_needed): Likewise.

        * function.h (rtl_data): Add frame_pointer_needed.
        (frame_pointer_needed): New.

2008-05-25  Arthur Loiret  <arthur.loiret@u-psud.fr>

        * config.gcc (sh2[lbe]*-*-linux*): Allow target.

2008-05-25  Steven Bosscher  <stevenb.gcc@gmail.com>

        * gcse.c (hash_scan_set): Do not pick up a REG_EQUAL value if
        SRC is a REG.

2008-05-25  Alan Modra  <amodra@bigpond.net.au>

        * c-common.c (strip_array_types): Move function to..
        * tree.c: ..here.
        (get_inner_array_type): Delete.
        * c-common.h (strip_array_types): Move declaration to..
        * tree.h: ..here.
        (get_inner_array_type): Delete.
        * config/i386/i386.c (x86_field_alignment): Use strip_array_types.
        * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
        * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
        * config/pa/pa.c (emit_move_sequence): Likewise.

2008-05-24  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.md (*sse_prologue_save_insn): Set length
        attribute to 34.

2008-05-24  Andy Hutchinson  <hutchinsonandy@aim.com>

        * function.c: Include target hook for nonlocal_goto frame value.

2008-05-24  Richard Guenther  <rguenther@suse.de>

        * tree-dfa.c (refs_may_alias_p): Re-instantiate case that
        a scalar variable can be only accessed through a pointer
        or a union.

2008-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (fold_builtin_fpclassify): Fix spelling of FP_INFINITE.
        * doc/extend.texi: Likewise.

2008-05-23  DJ Delorie  <dj@redhat.com>

        * config/m32c/jump.md (untyped_call): Add.

        * config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type
        for A24 to PSImode.
        (m32c_address_cost): Detail costs for indirect offsets.

2008-05-23  Rafael Espindola  <espindola@google.com>

        * see.c (see_get_extension_data): Don't use SUBREG_REG to test
        if a node is a SUBREG.
        (see_analyze_one_def): Don't use SUBREG_REG to test if a node
        is a SUBREG.

2008-05-23  Paul Brook  <paul@codesourcery.com>
            Carlos O'Donell  <carlos@codesourcery.com>

        * doc/extend.texi: Clarify use of __attribute__((naked)).
        * doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
        * target.h (gcc_target): Add allocate_stack_slots_for_args.
        * function.c (use_register_for_decl): Use
        targetm.calls.allocate_stack_slots_for_args.
        * target-def.h (TARGET_CALLS): Add 
        TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
        * config/arm/arm.c (arm_allocate_stack_slots_for_args): 
        New function.
        (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.

2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>

        * expr.c (highest_pow2_factor) <BIT_AND_EXPR>: New case.

2008-05-23  Steven Munroe  <sjmunroe@us.ibm.com>

        * config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full
        PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result
        is only rounded once.

2008-05-23  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-operands.c (mark_difference_for_renaming): Use
        bitmap_xor.

2008-05-23  Uros Bizjak  <ubizjak@gmail.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR target/36079
        * configure.ac: Handle --enable-cld.
        * configure: Regenerated.
        * config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets.
        * config/i386/i386.h (struct machine_function): Add needs_cld field.
        (ix86_current_function_needs_cld): New define.
        * config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant.
        (cld): New isns pattern.
        (strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1,
        cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag.
        * config/i386/i386.opt (mcld): New option.
        * config/i386/i386.c (ix86_expand_prologue): Emit cld insn if
        TARGET_CLD and ix86_current_function_needs_cld.
        (override_options): Use -mcld by default for 32-bit code if
        USE_IX86_CLD.

        * doc/install.texi (Options specification): Document --enable-cld.
        * doc/invoke.texi (Machine Dependent Options)
        [i386 and x86-64 Options]: Add -mcld option.
        (Intel 386 and AMD x86-64 Options): Document -mcld option.

2008-05-23  Kai Tietz  <kai.tietz@onevison.com>
        * config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
        (return_in_memory_64): Likewise.
        (return_in_memory_ms_64): Likewise.

2008-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New.
        * builtins.c (fold_builtin_fpclassify): New.
        (fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY.
        * builtins.def (BUILT_IN_FPCLASSIFY): New.
        * c-common.c (handle_type_generic_attribute): Adjust to accept
        fixed arguments before an elipsis.
        (check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY.
        * doc/extend.texi: Document __builtin_fpclassify.

2008-05-22  Aldy Hernandez  <aldyh@redhat.com>

        * omp-low.c (gate_expand_omp_ssa): Remove.
        (pass_expand_omp_ssa): Remove.
        (gate_expand_omp): Do not check for flag_openmp_ssa.
        * common.opt (-fopenmp-ssa): Remove.
        * passes.c (init_optimization_passes): Remove pass_expand_omp_ssa.

2008-05-22  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.opt (mfixed-range): New option.
        * config/sh/sh-protos.h (sh_fix_range): Declare.
        * config/sh/sh.c (sh_fix_range): New function.
        * config/sh/sh.h (sh_fixed_range_str): Declare.
        (OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
        is not empty.
        * doc/invoke.texi (SH Options): Document -mfixed-range.

2008-05-22  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine
        it before the redeclaration.

2008-05-22  Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.c (get_sequence_length): Add new function.
        (expand_prologue, expand_epilogue): Remove duplicate code.

2008-05-22  Rafael Espindola  <espindola@google.com>

        * see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
        sharing.

2008-05-22  H.J. Lu  <hongjiu.lu@intel.com>

        * defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
        * doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.

        * tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
        UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
        (vect_update_misalignment_for_peel): Likewise.
        (vector_alignment_reachable_p): Likewise.
        * tree-vect-transform.c (vectorizable_load): Likewise.
        * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
        (get_vectype_for_scalar_type): Pass mode of scalar_type
        to UNITS_PER_SIMD_WORD.

        * config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
        * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
        * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
        * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
        * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.

2008-05-22  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/36293
        * tree-vect-transform.c (vect_transform_strided_load): Don't check
        if the first load must be skipped because of a gap.

2008-05-22  Richard Guenther  <rguenther@suse.de>

        * tree-dfa.c (refs_may_alias_p): Exit early if possible.  Handle
        more cases of offset disambiguation that is possible if
        strict-aliasing rules apply.
        * tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
        for basic offset and type-based disambiguation.

2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_expand_vector_init_one_var): Use
        ix86_expand_vector_set on V16QImode for SSE4.1.

2008-05-21  Tom Tromey  <tromey@redhat.com>

        * c.opt (Wimport): Mark as undocumented.
        * doc/invoke.texi (Option Summary): Don't mention -Wimport or
        -Wno-import.
        (Warning Options): Likewise.
        * doc/cppopts.texi: Don't mention -Wimport.

2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/36287
        PR tree-optimization/36286
        * lambda-code.c (build_access_matrix): Do not use the loop->num
        for computing the number of induction variables: use the loop depth
        instead.

2008-05-21  Kai Tietz  <kai.tietz@onevision.com>

        PR/36280
        * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor
        option -f(no-)leading-underscore.

2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_expand_vector_init_general): Use
        GET_MODE_NUNITS (mode).

2008-05-21  Peter Bergner  <bergner@vnet.ibm.com>

        * doc/invoke.texi: Add cpu_type's 464 and 464fp.
        (-mmulhw): Add 464 to description.
        (-mdlmzb): Likewise.
        * config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
        * config/rs6000/rs6000.c (processor_target_table): Add 464 and
        464fp entries.
        * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
        * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
        * config/rs6000/rs6000.md: Update comments for 464.

2008-05-21  Janis Johnson  <janis187@us.ibm.com>

        * doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.

2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/sse.md (vec_extractv4sf): Removed.
        (vec_extractv2df): Likewise.
        (vec_extractv2di): Likewise.
        (vec_extractv4si): Likewise.
        (vec_extractv8hi): Likewise.
        (vec_extractv16qi): Likewise.
        (vec_extract<mode>): New.

2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/sse.md (vec_setv4sf): Removed.
        (vec_setv2df): Likewise.
        (vec_setv2di): Likewise.
        (vec_setv4si): Likewise.
        (vec_setv8hi): Likewise.
        (vec_setv16qi): Likewise.
        (vec_set<mode>): New.

2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_expand_vector_init_general): Remove
        goto for vec_concat and vec_interleave.

2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/sse.md (vec_initv4sf): Removed.
        (vec_initv2df): Likewise.
        (vec_initv2di): Likewise.
        (vec_initv4si): Likewise.
        (vec_initv8hi): Likewise.
        (vec_initv16qi): Likewise.
        (vec_init<mode>): New.

2008-05-21  Joseph Myers  <joseph@codesourcery.com>

        * collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.

2008-05-21  Tom Tromey  <tromey@redhat.com>

        * ggc-zone.c (lookup_page_table_if_allocated): New function.
        (zone_find_object_offset): Likewise.
        (gt_ggc_m_S): Likewise.
        (highest_bit): Likewise.
        * ggc-page.c (gt_ggc_m_S): New function.
        * stringpool.c (string_stack): Remove.
        (init_stringpool): Update.
        (ggc_alloc_string): Use ggc_alloc.
        (maybe_delete_ident): New function.
        (ggc_purge_stringpool): Likewise.
        (gt_ggc_m_S): Remove.
        * ggc-common.c (ggc_protect_identifiers): New global.
        (ggc_mark_roots): Call ggc_purge_stringpool.  Use
        ggc_protect_identifiers.
        * ggc.h (ggc_protect_identifiers): Declare.
        (gt_ggc_m_S): Update.
        (ggc_purge_stringpool): Declare.
        * toplev.c (compile_file): Set and reset ggc_protect_identifiers.
        * gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
        special case.
        (write_root): Cast gt_ggc_m_S to gt_pointer_walker.

2008-05-21  David S. Miller  <davem@davemloft.net>

        * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
        tmake_file.

2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>

        * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
        once finished.

2008-05-20  David Daney  <ddaney@avtrex.com>

        * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
        UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE_12): New define_constants.
        (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
        UNSPEC_UPDATE_GOT_VERSION): Renumber.
        (optab, insn): Add 'plus' and 'minus' to define_code_attr.
        (atomic_hiqi_op): New define_code_iterator.
        (sync_compare_and_swap<mode>): Call mips_expand_atomic_qihi instead of
        mips_expand_compare_and_swap_12.
        (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
        MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to MIPS_COMPARE_AND_SWAP_12.
        (sync_<optab><mode>, sync_old_<optab><mode>,
        sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
        sync_new_nand<mode>): New define_expands for HI and QI mode operands.
        (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
        sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
        (sync_lock_test_and_set<mode>): New define_expand for HI and QI modes.
        (test_and_set_12): New insn.
        (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
        sync_new_<optab><mode>, sync_old_nand<mode>,
        sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
        clobber to operand 0 for SI and DI mode insns.
        * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
        mips_gen_fn_4): New typedefs.
        (mips_gen_fn_ptrs): Define new union type.
        (mips_expand_compare_and_swap_12): Remove declaration.
        (mips_expand_atomic_qihi): Declare function.
        * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
        (mips_expand_atomic_qihi): ... this.  Use new generator function
        parameter.
        * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
        (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
        (MIPS_COMPARE_AND_SWAP_12_ZERO_OP,
        MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
        MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
        MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
        MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
        MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
        MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
        MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
        MIPS_SYNC_EXCHANGE_12_ZERO_OP,
        MIPS_SYNC_EXCHANGE_12_NONZERO_OP): New macros.

2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
        the missing break.

2008-05-20  Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
        * config/avr/avr.c (avr_OS_main_function_p): Add new function.
        (avr_attribute_table): Add 'OS_main' function attribute.
        (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
        functions with 'OS_main' attribute.

2008-05-20  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/35204
        * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
        helper, split out from ...
        (DFS): ... here.  Make the DFS walk non-recursive.

2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
            Jan Sjodin  <jan.sjodin@amd.com>

        PR tree-optimization/36181
        * tree-parloops.c (loop_has_vector_phi_nodes): New.
        (parallelize_loops): Don't parallelize when the loop has vector
        phi nodes.

2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
            Sebastian Pop  <sebastian.pop@amd.com>

        * tree-loop-linear.c (gather_interchange_stats): Look in the access
        matrix, and never look at the tree representation of the memory
        accesses.
        (linear_transform_loops): Computes parameters and access matrices.
        * tree-data-ref.c (compute_data_dependences_for_loop): Returns false
        when fails.
        (access_matrix_get_index_for_parameter): New.
        * tree-data-ref.h (struct access_matrix): New.
        (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
        AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
        AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
        am_vector_index_for_loop): New.
        (struct data_reference): Add field access_matrix.
        (DR_ACCESS_MATRIX): New.
        (compute_data_dependences_for_loop): Update declaration.
        (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
        * lambda.h (lambda_vector_vec_p): Declared.
        * lambda-code.c: Depend on pointer-set.h.
        (lambda_collect_parameters_from_af, lambda_collect_parameters,
        av_for_af_base, av_for_af, build_access_matrix,
        lambda_compute_access_matrices): New.
        * Makefile.in (lambda-code.o): Depend on pointer-set.h.

2008-05-20  Joseph Myers  <joseph@codesourcery.com>

        * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
        $SOURCEDIR/include.

2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
            Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/36206
        * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
        FOLD_CONVERSIONS.
        (instantiate_scev_1): Rename flags to fold_conversions.
        Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
        outeside instantiation_loop.
        * tree-chrec.h (evolution_function_is_affine_in_loop): New.
        (evolution_function_is_affine_or_constant_p): Removed.
        * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
        instantiate_scev.
        (analyze_siv_subscript): Pass in the loop nest number.
        Call evolution_function_is_affine_in_loop instead of 
        evolution_function_is_affine_p.
        (analyze_overlapping_iterations): Pass in the loop nest number.

2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
            Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/36206
        * tree-chrec.h (chrec_fold_op): New.
        * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR,
        and other trees.

2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>

        * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
        (DIRS_EQ): New.
        (remove_duplicates): Do not set inode on non-inode systems.
        Use DIRS_EQ.

2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>

        * config.gcc (tm_file): Update comments about relative pathnames.

2008-05-20  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure.
        * tree-ssa-sccvn.c (process_scc): Likewise.
        * tree-ssa-sink.c (execute_sink_code): Likewise.
        * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
        * tree-vrp.c (process_assert_insertions): Likewise.
        * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
        (perform_tree_ssa_dce): Likewise.
        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
        (dump_dominator_optimization_stats): Likewise.
        * tree-vectorizer.c (vectorize_loops): Likewise.

2008-05-20  Richard Guenther  <rguenther@suse.de>

        * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.

2008-05-20  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
        (ix86_i386elf_return_in_memory): Likewise.
        (ix86_i386interix_return_in_memory): Likewise.
        * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
        (SUBTARGET_RETURN_IN_MEMORY): New.
        * config/i386/i386elf.h: Likewise.
        * config/i386/ptx4-i.h: Likewise.
        * config/i386/sol2-10.h: Likewise.
        * config/i386/sysv4.h: Likewise.
        * config/i386/vx-common.h: Likewise.
        * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
        * config/i386/i386.c (ix86_return_in_memory): Made static and
        make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
        (ix86_i386elf_return_in_memory): Removed.
        (ix86_i386interix_return_in_memory): Removed.
        (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
        * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.

2008-05-20  Alexandre Oliva  <aoliva@redhat.com>

        * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.

2008-05-19  Xinliang David Li  <davidxl@google.com>

        * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18. 
        * opts.c: Ditto.
        * common.opt: Ditto.
        * doc/invoke.texi: Ditto.

2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
        (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.

2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_expand_vector_init_concat): Change
        sizes of operand array from 8/4 to 4/2.
        (ix86_expand_vector_init_general): Change size of operand array
        from 32 to 16.  Remove op0, op1 and half_mode.

2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_expand_vector_init_concat): New.
        (ix86_expand_vector_init_interleave): Likewise.
        (ix86_expand_vector_init_general): Use them.  Assert word_mode
        == SImode when n_words == 4.

2008-05-19  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_secondary_reload): New static function.
        (TARGET_SECONDARY_RELOAD): New define.
        * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
        * config/i386/i386.md (reload_outqi): Remove.

2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR middle-end/35509
        * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
        Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
        (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
        (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
        (fold_builtin_1): Likewise.
        * builtins.def (BUILT_IN_ISINF_SIGN): New.
        c-common.c (check_builtin_function_arguments): Handle
        BUILT_IN_ISINF_SIGN.
        * doc/extend.texi: Document __builtin_isinf_sign.
        * fold-const.c (operand_equal_p): Handle COND_EXPR.

2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
        EH cleanup at the end of the pass, search for those that have been
        turned into forwarder blocks and do the cleanup on their successor.

2008-05-18  Richard Guenther  <rguenther@suse.de>

        * tree-cfg.c (verify_gimple_expr): Allow conversions from
        pointers to sizetype and vice versa.

2008-05-18 Xinliang David Li   <davidxl@google.com>

        * gcc/tree-ssa-dce.c: Coding style fix.
        (check_pow): Documentation comment. 
        (check_log): Documenation comment. Coding style fix.
        (is_unnecessary_except_errno_call): Ditto.
        (gen_conditions_for_pow): Ditto.
        (gen_conditions_for_log): Ditto.
        (gen_shrink_wrap_conditions): Ditto.
        (shrink_wrap_one_built_in_calls): Ditto.
        * gcc/doc/invoke.texi: Better documentation string.
        * ChangeLog: Fix wrong change log entries from 
        May 17 checkin on function call DCE.

2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.

2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>

        * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
        * df-problems.c (simulation routines): Fixed block comment to
        properly say how to add forwards scanning functions.
        
2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-inline.c (setup_one_parameter): Remove dead code.

2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>

        * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
        a BIT_AND_EXPR only for an INTEGER_TYPE.

2008-05-17 Xinliang David Li   <davidxl@google.com>

        * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
        (check_pow, check_log, is_unnecessary_except_errno_call): New 
        functions to check for eliminating math functions that are pure 
        except for setting errno.
        (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
        general condition expressions for shrink-wrapping pow/log calls.
        (gen_shrink_wrap_conditions): Ditto.
        (shrink_wrap_one_built_in_call): Ditto.
        (shrink_wrap_conditional_dead_built_in_calls): Ditto.
        (mark_operand_necessary): If debugging, output if OP is necessary.
        (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
        unnecessary.
        * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
        opt level >= 2.
        * gcc/common.opt: New user flag -ftree-builtin-dce.
        * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.

2008-05-16  David S. Miller  <davem@davemloft.net>

        * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
        * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.

2008-05-16  Uros Bizjak  <ubizjak@gmail.com>

        PR target/36246
        * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.

2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>

        * ifcvt.c (dead_or_predicable): Rename
        df_simulate_one_insn_backwards to df_simulate_one_insn.
        * recog.c (peephole2_optimize): Ditto.
        * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
        Ditto.
        * df.h: Rename df_simulate_one_insn_backwards to
        df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
        * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
        scanning of defs and uses.
        (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
        (df_simulate_one_insn_forwards): Removed.

2008-05-16  Doug Kwan  <dougkwan@google.com>

        * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
        QNaN & SNaN.
        (real_from_string): Handle NaNs and Inf as approriate.

2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>

        * doc/gty.texi (Source Files Containing Type Information): Note
        that headers should appear first in the gtfiles list.

2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>

        * tree.def (COND_EXEC): Properly documented this code.

2008-05-16  Diego Novillo  <dnovillo@google.com>

        * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
        * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
        the new field.

2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>

        * tree-ssa-dse (max_stmt_uid): Removed.
        (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt, 
        tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
        * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
        * function.h (cfun.last_stmt_uid): New field.
        * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
        gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
        New functions.
        * tree-dfa.c (renumber_gimple_stmt_uids): New function.
        (create_stmt_ann): Initialize the ann->uid field.
        * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
        with new calls.
        * tree-flow.h (renumber_gimple_stmt_uids): New function.

2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>

        * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
        * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
        (init_empty_tree_cfg): Call it.

2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>

        * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
        Update all users.

2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>

        * doc/invoke.text (-fdump-tree-*-verbose): New option.
        * tree-dump.c (dump_options): New verbose option.
        * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
        Add verbose dump.
        * tree-pass.h (TDF_VERBOSE): New dump flag.
        * print-tree.c (print_node): Added code to be able to print PHI_NODES.
        (tree-flow.h): Added include.
        * Makefile.in (print-tree.o):  Added TREE_FLOW_H.

2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.

        From Jie Zhang  <jie.zhang@analog.com>
        * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
        MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
        mcpu=bf561-none and mcpu=bf561-0.2.
        * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
        MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
        * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
        MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
        * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
        * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
        (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
        option.
        * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
        (cputype_selected): Remove.
        (bfin_handle_option): Don't use cputype_selected.
        (override_options): When no mcpu option, enable all workarounds.
        Don't use bfin_workarounds.
        * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
        processor type.
        (DEFAULT_CPU_TYPE): Don't define.

2008-05-16  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
        on deletion of the last stmt.

2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
        V8HImode for SSE2 and V16QImode for SSE4.1.

2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>

        * cgraph.h (compute_inline_parameters): Made public.
        * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
        variable_generate_summary, function_write_summary,
        variable_write_summary, variable_read_summary.  Added generate_summary,
        write_summary, read_summary.
        * cgraphunit.c (cgraph_process_new_functions): Changed call from
        pass_ipa_inline.function_generate_summary, to
        compute_inline_parameters. 
        * ipa-inline.c (compute_inline_parameters): Made public and added
        node parameter.
        (compute_inline_parameters_for_current): New function.
        (pass_inline_param): Now calls compute_inline_parameters_for_current.
        (inline_generate_summary): Removed parameter and made to loop over
        all cgraph nodes.
        (pass_ipa_inline): Updated for new IPA_PASS structure.
        * passes.c (execute_ipa_summary_passes): Now is called once per
        pass rather than once per node*pass.
        
2008-05-15  Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p, 
        avr_have_mul_p, avr_asm_only_p): Remove variables.
        (avr_override_options): Remove initialization of removed variables.
        (avr_file_start):  Convert removed variables to fields of 
        'struct base_arch_s *avr_current_arch'. 
        * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
        (AVR_HAVE_MUL): (Ditto.).
        (AVR_HAVE_MOVW): (Ditto.).
        (AVR_HAVE_LPMX): (Ditto.). 
        (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p, 
        avr_asm_only_p): Remove declaration.

2008-05-15  Diego Novillo  <dnovillo@google.com>

        * config/arm/arm.c (arm_return_in_memory): Fix return type.
        * config/arm/arm-protos.h (arm_return_in_memory): Likewise.

2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>

        PR middle-end/36194
        * combine.c (check_conversion): Rename back to check_promoted_subreg.
        Don't call record_truncated_value from here.
        (record_truncated_value): Turn it into a for_each_rtx callback.
        (record_truncated_values): New function.
        (combine_instructions): Call note_uses with record_truncated_values.
        Change name of check_conversion to check_promoted_subreg. 

2008-05-15  Janis Johnson  <janis187@us.ibm.com>

        * doc/sourcebuild.texi: Document support for torture tests.

2008-05-15  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
        to alternative 4 of operand 2.

2008-05-15  Richard Guenther  <rguenther@suse.de>

        * tree-pass.h (current_pass): Declare.
        (get_pass_for_id): Likewise.
        * passes.c (passes_by_id, passes_by_id_size): New globals.
        (set_pass_for_id): New function.
        (get_pass_for_id): Likewise.
        (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
        (execute_function_todo): Flush per function statistics.
        * toplev.c (compile_file): Init statistics.
        (general_init): Do early statistics initialization.
        (finalize): Finish statistics.
        * statistics.h (statistics_early_init): Declare.
        (statistics_init): Likewise.
        (statistics_fini): Likewise.
        (statistics_fini_pass): Likewise.
        (statistics_counter_event): Likewise.
        (statistics_histogram_event): Likewise.
        * statistics.c: New file.
        * Makefile.in (OBJS-common): Add statistics.o.
        (statistics.o): Add dependencies.
        * doc/invoke.texi (-fdump-statistics): Document.

        * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
        (insert): Likewise.
        (execute_pre): Use statistics_counter_event.
        * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
        (substitute_and_fold): Increment it.  Use statistics_counter_event.

2008-05-15  Diego Novillo  <dnovillo@google.com>

        http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html

        * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
        * tree-ssa-alias.c (new_type_alias): Remove references to
        sub-variables from comment.
        * tree-ssa-operands.c (swap_tree_operands): Likewise.

2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
        attribute to 1 only for insertps alternative.

2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.md (loadbytes): New pattern.
        * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
        (bfin_init_builtins): Initialize it.
        (bdesc_1arg): Add it.

2008-05-15  Sa Liu  <saliu@de.ibm.com>

        * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
        * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
        * testsuite/lib/target-supports.exp: Add
        check_effective_target_fortran_integer_16.

2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
        * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
        * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
        (TARGET_RETURN_IN_MEMORY): Define.

2008-05-15  Richard Guenther  <rguenther@suse.de>

        PR middle-end/36244
        * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
        * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
        represent unmodifiable vars.

2008-05-15  Richard Guenther  <rguenther@suse.de>

        * tree-dfa.c (refs_may_alias_p): Allow all kinds of
        INDIRECT_REF and TARGET_MEM_REF.
        * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
        TARGET_MEM_REF.

2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
            H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
        (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
        for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
        insn alternatives.  Add missing alternatives.
        (*vec_concatv2di_rex64_sse4_1): Likewise.
        (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
        (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
        Require TARGET_SSE.

2008-05-15  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36009
        PR tree-optimization/36204
        * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
        (determine_invariantness_stmt): Record the loop a store is
        always executed in.
        * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
        dependency.

2008-05-15  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/34330
        * tree-ssa-alias.c (get_smt_for): Only assert that accesses
        through the pointer will alias the SMT.

2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>

        * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.

2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.

2008-05-14  Michael Meissner  <michael.meissner@amd.com>
            Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>

        * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
        OTI_vrotl, OTI_vrotr to support vector/vector shifts.
        (vashl_optab): New optab for vector/vector shifts.
        (vashr_optab): Ditto.
        (vlshr_optab): Ditto.
        (vrotl_optab): Ditto.
        (vrotr_optab): Ditto.
        (optab_subtype): New enum for optab_for_tree_code call.
        (optab_for_tree_code): Add enum optab_subtype argument.

        * optabs.c (optab_for_tree_code): Take an additional argument to
        distinguish between a vector shift by a scalar and vector shift by
        a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
        shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
        vector shift by a vector.
        (expand_widen_pattern_expr): Pass additional argument to
        optab_for_tree_code.

        * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
        vrotl_optab, vrotr_optab.

        * expr.c (expand_expr_real_1): Update calls to
        optab_for_tree_code to distinguish between vector shifted by a
        scalar and vector shifted by a vector.
        * tree-vectorizer.c (supportable_widening_operation): Ditto.
        (supportable_narrowing_operation): Ditto.
        * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
        * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
        * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
        (vect_create_epilog_for_reduction): Ditto.
        (vectorizable_reduction): Ditto.
        (vectorizable_operation): Ditto.
        (vect_strided_store_supported): Ditto.
        (vect_strided_load_supported): Ditto.
        * tree-vect-generic.c (expand_vector_operations_1): Ditto.
        * expmed.c (expand_shift): Ditto.

        * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
        scalar type.
        (ashr@var{m}3): Ditto.
        (vashl@var{m}3): Document new vector/vector shift standard name.
        (vashr@var{m}3): Ditto.
        (vlshr@var{m}3): Ditto.
        (vrotl@var{m}3): Ditto.
        (vrotr@var{m}3): Ditto.

        * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
        (PPERM_INVERT): Ditto.
        (PPERM_REVERSE): Ditto.
        (PPERM_REV_INV): Ditto.
        (PPERM_ZERO): Ditto.
        (PPERM_ONES): Ditto.
        (PPERM_SIGN): Ditto.
        (PPERM_INV_SIGN): Ditto.
        (PPERM_SRC1): Ditto.
        (PPERM_SRC2): Ditto.

        * config/i386/sse.md (mulv2di3): Add SSE5 support.
        (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
        allows a memory operand to be the value being added, and split it
        to improve vectorization.
        (sse5_pmacsdqh_mem): Ditto.
        (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
        (sse5_mulv2div2di3_high): Ditto.
        (vec_pack_trunc_v8hi): Add SSE5 pperm support.
        (vec_pack_trunc_v4si): Ditto.
        (vec_pack_trunc_v2di): Ditto.
        (sse5_pcmov_<mode>): Remove code that tried to use use
        andps/andnps instead of pcmov.
        (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
        pmacsdqh instructions.
        (vec_widen_smult_lo_v4si): Ditto.

        * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
        (PPERM_INVERT): Ditto.
        (PPERM_REVERSE): Ditto.
        (PPERM_REV_INV): Ditto.
        (PPERM_ZERO): Ditto.
        (PPERM_ONES): Ditto.
        (PPERM_SIGN): Ditto.
        (PPERM_INV_SIGN): Ditto.
        (PPERM_SRC1): Ditto.
        (PPERM_SRC2): Ditto.
        (ix86_expand_sse_movcc): Move the SSE5 test after the if
        true/false tests.
        (ix86_expand_int_vcond): If SSE5 generate all possible integer
        comparisons.
        (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
        says ignore whether the last reference is a memory operand.

2008-05-14  Michael Meissner  <michael.meissner@amd.com>
            Paolo Bonzini <bonzini at gnu dot org>

        * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
        shift patterns.

        * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
        (vlshr<mode>3): Rename from vlshr<mode>3.
        (vashr<mode>3): Rename from vashr<mode>3.
        (mulv4sf3): Change the names of vector shift patterns.
        (mulv4si3): Ditto.
        (negv4sf2): Ditt.

        * config/spu/spu.c (spu_initialize_trampoline): Rename vector
        shift insns.

        * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
        (SI_SHLHI): Ditto.
        (SI_SHL): Ditto.
        (SI_SHLI): Ditto.
        (SI_ROTH): Ditto.
        (SI_ROTHI): Ditto.
        (SI_ROT): Ditto.
        (SI_ROTI): Ditto.
        (SPU_RL_0): Ditto.
        (SPU_RL_1): Ditto.
        (SPU_RL_2): Ditto.
        (SPU_RL_3): Ditto.
        (SPU_RL_4): Ditto.
        (SPU_RL_5): Ditto.
        (SPU_RL_6): Ditto.
        (SPU_RL_7): Ditto.
        (SPU_SL_0): Ditto.
        (SPU_SL_1): Ditto.
        (SPU_SL_2): Ditto.
        (SPU_SL_3): Ditto.
        (SPU_SL_4): Ditto.
        (SPU_SL_5): Ditto.
        (SPU_SL_6): Ditto.
        (SPU_SL_7): Ditto.

        * config/spu/spu.md (v): New iterator macro to add v for vector types.
        (floatunssidf2_internal): Change vector/vector shift names.
        (floatunsdidf2_internal): Ditto.
        (mulv8hi3): Ditto.
        (ashrdi3): Ditto.
        (ashrti3): Ditto.
        (cgt_df): Ditto.
        (cgt_v2df): Ditto.
        (dftsv): Ditto.
        (vashl<mode>3): Rename from ashl<mode>3.
        (vashr<mode>3): Rename from ashr<mode>3.
        (vlshr<mode>3): Rename from lshr<mode>3.
        (vrotl<mode>3): Rename from rotl<mode>3.

2008-05-14  Michael Meissner  <michael.meissner@amd.com>

        PR target/36224
        * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
        multiply gives the wrong value when doing widening multiplies.
        (vec_widen_smult_lo_v4si): Ditto.

2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>

        * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
        LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
        emit_library_call_value. 
        * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
        * tree.h (ECF_LIBCALL_BLOCK): Removed.
        * calls.c (initialize_argument_information, precompute_arguments, 
        expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
        (precompute_arguments): Removed flags parameter.
        * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
        
2008-05-14  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
        Make sure to register the store if the use is a PHI_NODE.

2008-05-14  Olivier Hainque  <hainque@adacore.com>

        * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
        memory if the component is to be referenced in BLKmode according
        to get_inner_reference.

2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>

        * calls.c (emit_library_call_value_1): Restore code clearing
        ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.

2008-05-14  Olivier Hainque  <hainque@adacore.com>
            Nicolas Roche  <roche@adacore.com>

        * configure.ac: Add support for a "gcc_subdir" variable in
        config-lang.in, to denote a subdirectory where the language/GCC
        integration files are to be found.
        * configure: Regenerate.

2008-05-14  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/36098
        * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
        value for the first load in the group in case of a gap.
        (vect_build_slp_tree): Check that there are no gaps in loads.

2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>

        * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
        * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
        expand_copysign_bit, ): Change call to emit_no_conflict_block to
        emit_insn and remove unneeded code to construct extra args.
        (emit_no_conflict_block): Removed.
        * optabls.h: (emit_no_conflict_block): Removed.
        * cse.c (cse_extended_basic_block): Remove search for
        REG_NO_CONFLICT note.
        * global.c: Removed incorrect comment added in revision 117.
        * expr.c (convert_move): Change call to emit_no_conflict_block to
        emit_insn.
        * recog.c: Change comments so that they do not mention
        REG_NO_CONFLICT.
        * local_alloc.c (combine_regs): Removed last parameter.
        (no_conflict_p): Removed.
        (block_alloc): Removed note, no_conflict_combined_regno and set
        local vars. Removed all code to process REG_NO_CONFLICT blocks.
        (combine_regs): Removed already_dead and code to look for
        REG_NO_CONFLICT notes.
        * lower_subreg (remove_retval_note): Removed code to look for
        REG_NO_CONFLICT block.
        (resolve_reg_notes): Removed REG_NO_CONFLICT case.
        (resolve_clobber): Remove code to process libcalls that have
        REG_NO_CONFLICT notes.
        * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
        case.
        * combine.c (can_combine_p, distribute_notes):  Removed
        REG_NO_CONFLICT case.
        * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
        to emit_insns.
        * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
        * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
        Ditto.
        * reg-notes.def (NO_CONFLICT): Removed.

2008-05-14  David S. Miller  <davem@davemloft.net>

        * config/sparc/sparc.c (sparc_profile_hook): If
        NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
        * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
        * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.

2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>

        * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.

2008-05-13  Uros Bizjak  <ubizjak@gmail.com>

        PR target/36222
        * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
        and op1 expansion before vector concat to have less live pseudos.

2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
        ix86_expand_vector_set if supported.

2008-05-13  Diego Novillo  <dnovillo@google.com>
            Kenneth Zadeck  <zadeck@naturalbridge.com>

        http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html

        * tree.h (init_phinodes, fini_phinodes, release_phi_node,
        phinodes_print_statistics, init_ssanames, fini_ssanames,
        make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
        release_ssa_name, release_defs, replace_ssa_name_symbol,
        ssanames_print_statistics): Move ...
        * tree-flow.h: ... here.
        * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
        Use FN instead of cfun.
        (make_ssa_name_fn): Rename from make_ssa_name.
        (pass_release_ssa_names): Add TODO_dump_func to finish flags.
        * tree-flow-inline.h (make_ssa_name): Move from
        tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
        * omp-low.c (expand_omp_parallel):
        * tree-flow-inline.h (redirect_edge_var_map_result):
        * tree-ssa.c (init_tree_ssa): Add argument FN.
        Use it instead of cfun.  Update all users.

2008-05-13  Tom Tromey  <tromey@redhat.com>

        PR preprocessor/22168:
        * doc/cpp.texi (Top): Update menu.
        (Alternatives to Wrapper #ifndef): New node.
        (Other Directives): Document deprecation.
        (Obsolete Features): Remove menu.
        (Assertions): Merge node into Obsolete Features.
        (Obsolete once-only headers): Move earlier; rename to Alternatives
        to Wrapper #ifndef.
        * doc/cppopts.texi: Update.
        * c.opt (Wdeprecated): Enable for C and ObjC.
        * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
        (C++ Dialect Options): Move -Wno-deprecated from here to...
        (Warning Options): ... here.

2008-05-13  Richard Guenther  <rguenther@suse.de>

        PR middle-end/36227
        * fold-const.c (fold_sign_changed_comparison): Do not allow
        changes in pointer-ness.

2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/24713
        * config/sh/sh.c (sh_expand_prologue): Don't clear
        RTX_FRAME_RELATED_P for push insns.

2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>

        * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.

2008-05-12  Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.h (machine_function): Add 'is_leaf' field.
        * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
        Use 'machine->is_leaf' instead of 'leaf_func_p'.

2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
        (*vec_concatv4sf_sse): This.
        (*sse2_concatv2si): Renamed to ...
        (*vec_concatv2si_sse2): This.
        (*sse1_concatv2si): Renamed to ...
        (*vec_concatv2si_sse): This.
        (*vec_concatv2di_rex): Renamed to ...
        (*vec_concatv2di_rex64): This.
        (*vec_concatv2si_sse4_1): New.
        (*vec_concatv2di_rex64_sse4_1): Likewise.

2008-05-12  Uros Bizjak  <ubizjak@gmail.com>

        PR rtl-optimization/36111
        * recog.c (validate_replace_rtx_1): Unshare new RTL expression
        that was created for swappable operands.

2008-05-12  Samuel Tardieu  <sam@rfc1149.net>

        PR ada/36001
        * Makefile.in: Substitute GNATMAKE and GNATBIND.
        * configure.ac: Add call to ACX_PROG_GNAT.

2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>

        * optc-gen.awk: Fix comment typo.

2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>

        * pretty-print.c (pp_integer_with_precision): Use
        HOST_LONG_LONG_FORMAT.

2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>

        * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
                
2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (bdesc_ptest): Removed.
        (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
        (bdesc_args): Add __builtin_ia32_ptestz128,
        __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
        (ix86_init_mmx_sse_builtins): Updated.
        (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
        (ix86_expand_builtin): Updated.

2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>

        * tree-cfg.c (valid_fixed_convert_types_p): New function.
        (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.

2008-05-10  Uros Bizjak  <ubizjak@gmail.com>

        * value-prof.c (interesting_stringop_to_profile): Do not
        return early for BUILT_IN_MEMPCPY.

2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>

        * calls.c (expand_call): Don't use callgraph to increase
        preferred_stack_boundary.

        * cgraph.h (cgraph_rtl_info): Use unsigned on
        preferred_incoming_stack_boundary.

        * final.c (rest_of_clean_state): Use unsigned on
        preferred_stack_boundary.

2008-05-09  Tom Tromey  <tromey@redhat.com>

        PR preprocessor/22231:
        * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
        proceeding.

2008-05-09  Uros Bizjak  <ubizjak@gmail.com>

        PR tree-optimization/36129
        * tree-ssa-ccp.c: Include value-prof.h.
        (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
        built-in function was folded to a constant.
        * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h

2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
            Sebastian Pop  <sebastian.pop@amd.com>

        * tree-scalar-evolution.c: Document instantiate_scev.
        (instantiate_parameters_1): Renamed instantiate_scev_1.
        Don't use the same loop for instantiation_loop and evolution_loop.
        (instantiate_scev): New.
        (instantiate_parameters): Moved...
        (resolve_mixers): Update call to instantiate_scev_1 to pass the
        same loop twice.  Maintains the semantics for this function.
        * tree-scalar-evolution.h (instantiate_scev): Declare.
        (instantiate_parameters): ...here.  Now static inline.
        * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
        instead of resolve_mixers.

2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * rtl-factoring.c (collect_pattern_seqs): Fix typo.

2008-05-09  Tomas Bily  <tbily@suse.cz>

        * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
        * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
        * tree-ssa-structalias.c (get_constraint_for): Likewise.
        * c-common.c (c_common_truthvalue_conversion): Likewise.
        * tree-object-size.c (compute_object_offset): Likewise.
        * tree-inline.c (estimate_num_insns_1): Likewise.
        * varasm.c (const_hash_1, compare_constant, copy_constant)
        (compute_reloc_for_constant, output_addressed_constants)
        (initializer_constant_valid_p): Likewise.
        * c-omp.c (check_omp_for_incr_expr): Likewise.
        * gimplify.c (gimplify_expr): Likewise.
        * c-typeck.c (c_finish_return): Likewise.
        * tree-vectorizer.c (supportable_widening_operation)
        (supportable_narrowing_operation): Likewise.
        * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
        * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
        * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
        * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
        (descr_info_loc): Likewise.
        * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
        * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
        (fold_unary): Likewise.
        * builtins.c (get_pointer_alignment): Likewise.
        * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
        (instantiate_parameters_1): Likewise.
        * tree.c (expr_align, stabilize_reference): Likewise.
        * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
        * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
        * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
        * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
        * config/alpha/alpha.c (va_list_skip_additions): Likewise.
        * c-common.c (c_alignof_expr, check_function_arguments_recurse):
        Likewise.
        * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
        * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
        * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
        (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
        (forward_propagate_comparison)
        (tree_ssa_forward_propagate_single_use_vars): Likewise.
        * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
        * emit-rtl.c (component_ref_for_mem_expr)
        (set_mem_attributes_minus_bitpos): Likewise.
        * tree-ssa-phiopt.c (conditional_replacement): Likewise.
        * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
        Likewise.
        * c-typeck.c (default_function_array_conversion, build_indirect_ref)
        (build_function_call, pointer_diff, build_compound_expr)
        (c_finish_return): Likewise.
        * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
        * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
        Likewise.
        * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
        * expr.c (is_aligning_offset): Likewise.
        * tree-ssa-alias.c (is_escape_site): Likewise.
        * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
        (check_all_va_list_escapes): Likewise.
        * tree-ssa-loop-ivopts.c (determine_base_object)
        (determine_common_wider_type): Likewise.
        * dojump.c (do_jump): Likewise.
        * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
        * tree-gimple.c (is_gimple_cast): Likewise.
        * fold-const.c (decode_field_reference, )
        (fold_sign_changed_comparison, fold_unary, fold_comparison)
        (fold_binary): Likewise.
        * tree-ssa-alias-warnings.c (find_alias_site_helper)
        (already_warned_in_frontend_p): Likewise.
        * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
        * tree.c (really_constant_p, get_unwidened): Likewise.
        * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
        * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
        * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
        Likewise.
        * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
        CONVERT_EXPR_P.
        (CONVERT_EXPR_P): Define.
        (CASE_CONVERT): Define.
        
2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>

        PR middle-end/36117
        * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
        (delete_unmarked_insns): When deleting a call, call
        delete_unreachable_blocks.
        * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
        RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.

2008-05-08  Richard Guenther  <rguenther@suse.de>

        * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
        (-ftree-salias): Likewise.
        (salias-max-implicit-fields): Remove param documentation.
        (salias-max-array-elements): Likewise.
        * tree-pass.h (pass_create_structure_vars): Remove.
        * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
        (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
        * tree-ssa-alias.c (create_structure_vars): Remove.
        (gate_structure_vars): Likewise.
        (pass_create_structure_vars): Likewise.
        (gate_build_alias): Likewise.
        (pass_build_alias): Adjust to run always and dump the function.
        * common.opt (ftree-salias): Hide.
        * passes.c (init_optimization_passes): Remove
        pass_create_structure_vars, adjust comment.
        * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
        (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
        * opts.c (decode_options): Do not set flag_tree_salias.
        (common_handle_option): Add OPT_ftree_salias to the backward
        compatibility section.

2008-05-08  Richard Guenther  <rguenther@suse.de>

        * tree-flow-inline.h (var_can_have_subvars): Move ...
        * tree-ssa-structalias.c (var_can_have_subvars): ... here.
        * tree-flow.h (var_can_have_subvars): Remove.
        (push_fields_onto_fieldstack): Remove.
        (sort_fieldstack): Likewise.
        (struct fieldoff): Move ...
        * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
        alias_set and base_for_components fields.
        (sort_fieldstack): Make static.
        (push_fields_onto_fieldstack): Likewise.  Remove code that
        handles anything but RECORD_TYPEs.  Remove alias_set and
        base_for_components handling.
        (create_variable_info_for): Adjust.

2008-05-08  Seongbae Park  <seongbae.park@gmail.com>

        * common.opt (Wframe-larger-than=): Shorten the help message
        to one line.
        * doc/invoke.texi (Wframe-larger-than=): Add more description.

2008-05-08  Rafael Espindola  <espindola@google.com>

        * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
        trap.
        * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
        trap and that both operands are gimple values.
        (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
        * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
        is a fp operation.

2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>

        * read-rtl.c (join_c_conditions): Return the first string if the
        two strings are equal.

2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>

        * gensupport.h (pred_data): Add a "num_codes" field.
        (add_predicate_code): Declare.
        * gensupport.c (add_predicate_code): New function.
        (std_pred_table): Add an "allows_const_p" field.
        (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
        Remove the (incomplete) list of such codes from the codes field.
        (init_predicate_table): Use add_predicate_code.  Add all
        RTX_CONST_OBJs if allows_const_p is true.
        * genrecog.c (process_define_predicate): Use add_predicate_code.

2008-05-08  David Daney  <ddaney@avtrex.com>
            Richard Sandiford  <rsandifo@nildram.co.uk>
        
        * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
        special case of constant zero operands.
        * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
        old and new values.  Special case constant zero values.
        * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
        fails.
        (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
        (MIPS_COMPARE_AND_SWAP_12_0): New macro.

2008-05-08  Paolo Bonzini  <bonzini@gnu.org>

        PR target/36090
        * simplify-rtx.c (simplify_plus_minus): Create CONST of
        similar RTX_CONST_OBJ before CONST_INT.

2008-05-08  Steve Ellcey  <sje@cup.hp.com>

        * stmt.c (expand_stack_restore): Change sa mode if needed.

2008-05-08  Richard Guenther  <rguenther@suse.de>

        * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
        return type to bool.
        (ix86_sol10_return_in_memory): Likewise.
        (ix86_i386elf_return_in_memory): Likewise.
        (ix86_i386interix_return_in_memory): Likewise.
        * config/i386/i386.c (ix86_return_in_memory): Likewise.
        (ix86_sol10_return_in_memory): Likewise.
        (ix86_i386elf_return_in_memory): Likewise.
        (ix86_i386interix_return_in_memory): Likewise.

2008-05-08  Kai Tietz  <kai.tietz@onevision.com>

        PR bootstrap/36180
        * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
        fndecl argument.
        (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
        * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
        declared in front.

2008-05-08  Richard Guenther  <rguenther@suse.de>

        * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
        * tree-data-ref.h (struct dr_alias): Remove subvars field.
        (DR_SUBVARS): Remove.
        * tree-dfa.c (dump_subvars_for): Remove.
        (debug_subvars_for): Likewise.
        (dump_variable): Do not dump subvars.
        (remove_referenced_var): Do not remove subvars.
        * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
        (lookup_subvars_for_var): Remove.
        (get_subvars_for_var): Likewise.
        (get_subvars_at): Likewise.
        (get_first_overlapping_subvar): Likewise.
        (overlap_subvar): Likewise.
        * tree-flow.h (subvar_t): Remove.
        (struct var_ann_d): Remove subvars field.
        * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
        argument.  Remove special handling of SFTs.
        (compute_tag_properties): Likewise.
        (set_initial_properties): Likewise.
        (compute_call_clobbered): Likewise.
        (count_mem_refs): Likewise.
        (compute_memory_partitions): Likewise.
        (compute_flow_insensitive_aliasing): Likewise.
        (setup_pointers_and_addressables): Likewise.
        (new_type_alias): Likewise.
        (struct used_part): Remove.
        (used_portions): Likewise.
        (struct used_part_map): Likewise.
        (used_part_map_eq): Likewise.
        (used_part_map_hash): Likewise.
        (free_used_part_map): Likewise.
        (up_lookup): Likewise.
        (up_insert): Likewise.
        (get_or_create_used_part_for): Likewise.
        (create_sft): Likewise.
        (create_overlap_variables_for): Likewise.
        (find_used_portions): Likewise.
        (create_structure_vars): Likewise.
        * tree.def (STRUCT_FIELD_TAG): Remove.
        * tree.h (MTAG_P): Adjust.
        (struct tree_memory_tag): Remove base_for_components and
        unpartitionable flags.
        (struct tree_struct_field_tag): Remove.
        (SFT_PARENT_VAR): Likewise.
        (SFT_OFFSET): Likewise.
        (SFT_SIZE): Likewise.
        (SFT_NONADDRESSABLE_P): Likewise.
        (SFT_ALIAS_SET): Likewise.
        (SFT_UNPARTITIONABLE_P): Likewise.
        (SFT_BASE_FOR_COMPONENTS_P): Likewise.
        (union tree_node): Remove sft field.
        * alias.c (get_alias_set): Remove special handling of SFTs.
        * print-tree.c (print_node): Remove handling of SFTs.
        * tree-dump.c (dequeue_and_dump): Likewise.
        * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
        * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
        * tree-predcom.c (set_alias_info): Do not set subvars.
        * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
        * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
        * tree-ssa-operands.c (access_can_touch_variable): Likewise.
        (add_vars_for_offset): Remove.
        (add_virtual_operand): Remove special handling of SFTs.
        (add_call_clobber_ops): Likewise.
        (add_call_read_ops): Likewise.
        (get_asm_expr_operands): Likewise.
        (get_modify_stmt_operands): Likewise.
        (get_expr_operands): Likewise.
        (add_to_addressable_set): Likewise.
        * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
        * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
        * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
        * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
        (tree_code_size): Remove STRUCT_FIELD_TAG handling.
        (tree_node_structure): Likewise.
        * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
        handling of SFTs.
        (find_what_p_points_to): Likewise.

2008-05-08  Sa Liu  <saliu@de.ibm.com>

        * config/spu/spu.md: Fixed subti3 pattern.

2008-05-08  Richard Guenther  <rguenther@suse.de>

        PR middle-end/36154
        * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
        sure to create a representative for trailing arrays for PTA.

2008-05-08  Richard Guenther  <rguenther@suse.de>

        PR middle-end/36172
        * fold-const.c (operand_equal_p): Two objects which types
        differ in pointerness are not equal.

2008-05-08  Kai Tietz  <kai.tietz@onevision.com>

        * calls.c (compute_argument_block_size): Add argument tree fndecl.
        (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
        (emit_library_call_value_1): Add new variable fndecl initialized by
        NULL_TREE. It should be the decl type of orgfun, but this information
        seems not to be available here, so it uses the default calling abi.
        * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
        * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
        by TARGET_RETURN_IN_MEMORY.
        * config/i386/i386-interix.h: Likewise.
        * config/i386/i386.h: Likewise.
        * config/i386/i386elf.h: Likewise.
        * config/i386/ptx4-i.h: Likewise.
        * config/i386/sol2-10.h: Likewise.
        * config/i386/sysv4.h: Likewise.
        * config/i386/vx-common.h: Likewise.
        * config/cris/cris.h: Removed #if 0 clause.
        * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
        * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
        argument.
        (ix86_sol10_return_in_memory): Likewise.
        (ix86_i386elf_return_in_memory): New.
        (ix86_i386interix_return_in_memory): New.
        * config/mt/mt-protos.h (mt_return_in_memory): New.
        * config/mt/mt.c: Likewise.
        * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
        (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
        * config/bfin/bfin.h: Likewise.
        * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
        argument.
        * config/bfin/bfin.c: Likewise.
        * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
        * config/alpha/unicosmk.h: Likewise.
        * config/i386/cygming.h: Likewise.
        * config/iq2000/iq2000.h: Likewise.
        * config/mips/mips.h: Likewise.
        * config/mn10300/mn10300.h: Likewise.
        * config/rs6000/rs6000.h: Likewise.
        * config/score/score.h: Likewise.
        * config/spu/spu.h: Likewise.
        * config/v850/v850.h: Likewise.
        * defaults.h: Likewise.
        * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
        * expr.c (emit_block_move): Adjust use of
        OUTGOING_REG_PARM_STACK_SPACE.
        * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
        OUTGOING_REG_PARM_STACK_SPACE.
        * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.

2008-05-08  Jakub Jelinek  <jakub@redhat.com>

        * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
        on OMP_RETURN for OMP_FOR.

        PR debug/35896
        * dwarf2out.c (dw_expand_expr, common_check): Removed.
        (fortran_common): New function.
        (gen_variable_die): Call fortran_common instead of common_check,
        adjust for it returning tree instead of rtx.  Formatting.

2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>

        PR rtl/7335
        PR rtl/33826
        * see.c (see_copy_insn): Copy new pure const attributes for new call.
        * c-decl.c (merge_decls): Ditto.
        * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
        to RTL_CONST_OR_PURE_CALL_P.
        * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
        Initialized DECL_LOOPING_CONST_PURE.
        (process_call_operands): Set tree_side_effects properly.
        * tree.h (TREE_READONLY_DECL_P): Removed.
        (DECL_IS_PURE): Renamed to DECL_PURE_P.
        (DECL_LOOPING_OR_CONST_P): New macro.
        (struct tree_function_decl): Added looping_const_or_pure_p.
        (ECF_*) Renumbered.
        (ECF_LOOPING_OR_CONST_P): New macro.
        * rtlanal.c (pure_const_p): Removed.
        * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
        * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
        to RTL_CONST_CALL_P.
        * ipa-pure-const.c (pure_const_state_e): Added looping field.
        (check_decl, check_tree, check_call, scan_function): Initialize
        looping.
        (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
        (static_execute): Set looping true for recursive functions.
        Undo setting state to IPA_NEITHER for recursive functions.
        * cse.c (cse_insn): 
        * ifcvt.c (noce_can_store_speculate_p): Changed
        CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or 
        RTL_CONST_OR_PURE_CALL_P.
        * dse.c (scan_insn): Ditto.
        * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
        * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
        RTL_CONST_OR_PURE_CALL_P.
        (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
        pure_call_p to RTL_CONST_CALL_P.
        * gimplify.c (gimplify_call_expr): Clear side effects for
        non-looping pure and constant calls.
        * calls.c (emit_call_1): Set rtl flags from ecf flags.
        (flags_from_decl_or_type): Set ecf flags from decl flags.
        (initialize_argument_information): Turn off
        ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
        Change const to pure if callee_copies is true rather than just
        turning off const.
        (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
        way of marking pure calls.
        (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
        Remove hack that was supposed to fix pr7335 and remove old
        way of marking pure calls.
        * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
        RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
        * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
        RTL_CONST_OR_PURE_CALL_P.
        * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
        * loop-invariant.c (find_exits, find_invariant_bb): Changed
        CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
        * sched-deps.c (schedule_analyze): Ditto.
        * rtl.h (struct rtx_def): Use call field, unchanging field, and
        return_val field of calls to represent pure and const function info.
        (CONST_OR_PURE_CALL_P): Deleted macro.
        (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
        RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
        * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
        TREE_READONLY.
        * tree-optimize.c (execute_fixup_cfg): Added test for
        ECF_LOOPING_CONST_OR_PURE.
        * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
        DECL_PURE_P.
        * tree-cfg.c (update_call_expr_flags): Do not clear tree side
        effects for looping pure or const calls.
        (verify_gimple_expr): Added verification code. 
        * config/alpha/alpha.c (alpha_legitimize_address,
        alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
        RTL_CONST_CALL_P.
        * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
        * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
        * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
        * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
        RTL_CONST_OR_PURE_CALL_P.
        * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
        and const calls to be deleted.

2008-05-07  Uros Bizjak  <ubizjak@gmail.com>

        PR target/35714
        * config/i386/mmx.md (mmx_subv2sf3): New expander.
        (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
        (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
        (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
        to handle nonimmediate operands.
        (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
        (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
        to handle nonimmediate operands.
        (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
        (mmx_pmulhrwv4hi3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
        (sse2_umulv1siv1di3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
        (mmx_eq<mode>3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
        (mmx_uavgv8qi3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
        (mmx_uavgv4hi3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.

        * config/i386/sse.md
        (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
        to handle nonimmediate operands.
        (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
        to handle nonimmediate operands.
        (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
        to handle nonimmediate operands.
        (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
        to handle nonimmediate operands.
        (sse2_unpckhpd_exp): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (sse2_unpcklpd_exp): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
        to handle nonimmediate operands.
        (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
        to handle nonimmediate operands.
        (*sse2_<plusminus_insn><mode>3): Rename from
        sse2_<plusminus_insn><mode>3 insn pattern.
        (sse2_<plusminus_insn><mode>3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
        (sse2_umulv2siv2di3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
        (sse4_1_mulv2siv2di3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
        (sse2_pmaddwd): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
        (sse2_eq<mode>3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
        (sse4_1_eqv2di3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
        (sse2_uavgv16qi3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
        (sse2_uavgv16qi3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
        (sse2_uavgv8hi3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
        (ssse3_pmulhrswv8hi3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
        (ssse3_pmulhrswv4hi3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.

        (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
        (<sse>_vmmul<mode>3): Ditto.
        (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
        (divv2df3): Ditto.
        (ssse3_pmaddubsw128): Use register_operand for operand 1.
        (ssse3_pmaddubsw): Ditto.

        * config/i386/i386.c (struct_builtin_description)
        [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
        [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
        [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
        [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
        [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
        [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
        [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
        [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
        (ix86_fixup_binary_operands): Assert that src1
        and src2 must have the same mode when swapped.
        (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
        and ix86_binary_operator_ok.  Do not force operands in registers
        when optimizing.

2008-05-07  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (dump_cgraph_node): Update.
        * cgraph.h (cgraph_local_info): Break out inline summary.
        * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
        hook.
        * ipa-inline (inline_summary): New accestor function.
        (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
        cgraph_decide_inlining, compute_inline_parameters): Update.
        * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.

2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>

        Cleanup ColdFire scheduling support and add V4 pipeline model.

        * config/m68k/m68k.md (UNSPEC_TIE): New constant.
        (define_attr cpu): Add cfv4 value.
        (define_attr type, define_attr type1): Merge into a single 'type'
        attribute.  Update all uses.
        (define_attr opx_type, define_attr opy_type, define_attr opx_access):
        Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
        Update all uses.
        (define_attr opx_mem, define_attr opy_mem): Remove.
        (define_attr op_mem): Clean up, update comment.
        (define_attr size): Use specific values instead of general int.
        (define_attr guess, define_attr split): Remove.  Update all uses.
        (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
        tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
        movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
        zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
        68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
        floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
        fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
        adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
        add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
        add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
        sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
        sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
        mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
        umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
        mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
        div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
        one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
        bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
        beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
        bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
        symbolic_call_value_jsr, symbolic_call_value_bsr, link):
        Update or set attributes.
        (stack_tie): New fake instruction.

        * config/m68k/m68k.h (TUNE_CFV4): New macro.
        (m68k_sched_attr_size): Update declaration.
        (m68k_sched_attr_type2): Remove.
        (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
        Declare new bypass predicates.

        * config/m68k/m68k.c (m68k_sched_issue_rate,
        m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
        implementations.
        (TARGET_SCHED_ISSUE_RATE,
        TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
        (override_options): Handle scheduling for ColdFire V4 core.
        (m68k_expand_prologue): Emit stack_tie.
        (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
        'OP_TYPE_FPN'.  Update all uses.
        (sched_guess_p): Remove.
        (sched_address_type): Handle symbolic addresses.
        (sched_get_operand): New static function.
        (sched_operand_type): Merge into sched_attr_op_type.
        (sched_attr_op_type): Handle FP registers, handle quick constants,
        update.
        (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
        (m68k_sched_attr_size): Update.  Move logic to ...
        (sched_get_attr_size_int): New static function.
        (sched_get_opxy_mem_type): New static function.
        (m68k_sched_attr_op_mem): Update.
        (m68k_sched_attr_type2): Remove.
        (sched_cfv4_bypass_data): New static variable.
        (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
        (m68k_sched_issue_rate): Implement scheduler hook.
        (struct _sched_ib: enabled_p): New field.
        (m68k_sched_variable_issue): Update.  Handle V4.
        (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
        sched_dump_class_func_t, sched_dump_split_class,
        sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
        sched_dump_dfa_class, m68k_sched_dump): Remove.
        (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
        hook.
        (m68k_sched_init_global): Remove statisctics dumping, introduce
        sanity check that all instructions have pipeline reservations.  Handle
        ColdFire V4 core.
        (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
        Handle ColdFire V4 core.
        (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
        New static functions.
        (m68k_sched_address_bypass_p): New bypass predicate.
        (sched_get_indexed_address_scale): New static function.
        (m68k_sched_indexed_address_bypass_p): New bypass predicate.

        * cf.md: Update comments.
        (define_attr type2): Remove.  Use 'type' attribute instead.
        Update all uses.
        (cf_ib): Rename to cfv123_ib.  Update all uses.
        (cf_oep): Rename to cfv123_oep.  Update all uses.
        (cf_chr): Rename to cfv123_chr.  Update all uses.
        (cf_mem): Rename to cfv123_mem.  Update all uses.
        (cf_mac): Move to more appropriate place.
        (cfv123_guess): New automaton and cpu_unit.
        (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
        Update uses of 'size' attribute.  Handle before reload scheduling.
        (cfv123_guess): New dummy reservation for unhandled instructions.
        (cfv4_*): Pipeline description of ColdFire V4 core.
        (ignore): New reservation to handle 'ignore' type.

2008-05-07  Ian Lance Taylor  <iant@google.com>

        PR middle-end/36013
        * gimplify.c (find_single_pointer_decl_1): Don't look through
        indirections.
        (find_single_pointer_decl): Adjust comments.

2008-05-07  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/36137
        * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
        STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.

        PR middle-end/36106
        * omp-low.c (expand_omp_atomic_pipeline): Load value using the
        integral type rather than floating point, then VIEW_CONVERT_EXPR
        to the floating point type.

2008-05-07  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
        TFmode op0 to register.

2008-05-07  Alan Modra  <amodra@bigpond.net.au>

        * c-decl.c (grokdeclarator): Comment typo.

2008-05-06  Aldy Hernandez  <aldyh@redhat.com>

        * tree-flow.h: Remove prototype for computed_goto_p.
        * tree-cfg.c (computed_goto_p): Make static.

2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/35657
        * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
        (contains_aligned_value_p): This.  Handle _Decimal128.
        (ix86_function_arg_boundary): Only align _Decimal128 to its
        natural boundary and handle it properly.

2008-05-06  Martin Jambor  <mjambor@suse.cz>

        * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
        (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
        (ipcp_method_set_orig_node): Removed.
        (ipcp_cval_get_cvalue_type): Removed.
        (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
        (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
        (ipcp_cval_set_cvalue_type): Removed.
        (ipcp_cval_get_cvalue): Removed.
        (ipcp_cval_set_cvalue): Removed.
        (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
        (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
        (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
        (ipcp_cval_meet): Renamed to ipa_lattice_meet
        (ipcp_cval_changed): Changed to use ipcp_lat_is_const
        (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
        (ipcp_get_ith_lattice): Changed parameters.
        (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
        (ipcp_lattice_from_jfunc): Changed parameters.
        (ipcp_redirect): Local lattice pointer instead of lattice type variable.
        (ipcp_method_cval_print): Added temporary variable info.
        (ipcp_redirect): Removed already unused local variable caller.
        (ipcp_redirect): New temporary variable orig_callee_info
        (ipcp_redirect): Removed newly unused local variable callee.
        (ipcp_redirect): Removed (a bit confusing) local variable type.
        (ipcp_insert_stage): Added local variable info.
        (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters 
        renamed too
        (ipcp_formal_create): Removed.
        (ipcp_method_cval_set): Removed.
        (ipcp_propagate_stage): Renamed lattice variables.
        (ipcp_method_cval_set_cvalue_type): Removed.
        (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
        (ipcp_print_all_lattices): Changed printed strings to refer to 
        lattices rather than cvals.
        (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
        (ipcp_propagate_const): Changed formal parameters.
        (build_const_val): Changed formal parameters.
        (ipcp_insert_stage): Removed useless variable cvalue
        (build_const_val): Changed formal parameters.
        (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
        (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
        (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
        (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
        (ipcp_print_func_profile_counts): Changed string from "method" to 
        "function"
        (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
        (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
        (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
        (ipcp_structures_print): Renamed to ipcp_print_all_structures
        (ipcp_profile_print): Renamed to ipcp_print_profile_data
        (ipcp_lat_is_const): Changed parameters and made inline.
        (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
        (ipcp_redirect): Renamed to ipcp_need_redirect_p
        (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using 
        the predicate condition directly
        (ipcp_propagate_stage): Added local variable args. Removed local
        variable callee.  (Both are mere code simplifications.)
        (ipcp_method_dont_insert_const): Renamed to
        ipcp_node_not_modifiable_p.
        (ipcp_node_not_modifiable_p): Made inline.
        (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
        (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
        (ipcp_print_all_lattices): Removed variable cvalue
        (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
        Updated comments.

2008-05-06  Olivier Hainque  <hainque@adacore.com>

        * tree-sra.c (try_instantiate_multiple_fields): Early return
        if field has POINTER_TYPE.

2008-05-06  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
        by using 'q' specifier for instruction.
        (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.

2008-05-06  Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
        Change mode of zero_extract from QImode to HImode.
        (sign bit tests peepholes): (Ditto.).

2008-05-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/mmx.md: Remove double backslashes from asm templates.
        (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
        (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
        to handle nonimmediate operands.
        (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
        (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
        to handle nonimmediate operands.
        (*mmx_<code>v2sf3_finite): New insn pattern.
        (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
        (mmx_<code>v2sf3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (mmx_<plusminus_insn><mode>3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*mmx_<plusminus_insn><mode>3): New insn pattern.
        (mmx_add<mode>3): Removed.
        (mmx_ssadd<mode>3): Ditto.
        (mmx_usadd<mode>3): Ditto.
        (mmx_sub<mode>3): Ditto.
        (mmx_sssub<mode>3): Ditto.
        (mmx_ussub<mode>3): Ditto.
        (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
        (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
        to handle nonimmediate operands.
        (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
        insn pattern.
        (mmx_smulv4hi3_highpart): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
        insn pattern.
        (mmx_umulv4hi3_highpart): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
        (mmx_<code>v4hi3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
        (mmx_<code>v8qi3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
        (mmx_<code><mode>3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.

2008-05-05  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/36118
        * passes.c (pass_init_dump_file): Fix dump header.

2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR middle-end/36141
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
        VCE for function decls.

2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.

2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.md (sat_plusminus): New.
        (plusminus_insn): Likewise.
        (plusminus_mnemonic): Likewise.
        (addsub): Removed.
        (comm): Add ss_plus, us_plus, ss_minus and us_minus.
        (*<addsub><mode>3_cc_overflow): Renamed to ...
        (*<plusminus_insn><mode>3_cc_overflow): This.
        (*<addsub>si3_zext_cc_overflow): Renamed to ...
        (*<plusminus_insn>si3_zext_cc_overflow): This.

        * config/i386/sse.md (<addsub><mode>3): Renamed to ...
        (<plusminus_insn><mode>3): This.
        (*<addsub><mode>3): Renamed to ...
        (*<plusminus_insn><mode>3): This.
        (<sse>_vm<addsub><mode>3): Renamed to ...
        (<sse>_vm<plusminus_insn><mode>3): This.
        (sse3_h<addsub>v4sf3): Renamed to ...
        (sse3_h<plusminus_insn>v4sf3): This.
        (sse3_h<addsub>v2df3): Renamed to ...
        (sse3_h<plusminus_insn>v2df3): This.
        (<plusminus_insn><mode>3): New.
        (*<plusminus_insn><mode>3): Likewise.
        (sse2_<plusminus_insn><mode>3): Likewise.
        (add<mode>): Removed.
        (*add<mode>3): Likewise.
        (sse2_ssadd<mode>3): Likewise.
        (sse2_usadd<mode>3): Likewise.
        (sub<mode>3): Likewise.
        (*sub<mode>3): Likewise.
        (sse2_sssub<mode>3): Likewise.
        (sse2_ussub<mode>3): Likewise.

2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>

        * gthr-single.h: Add in required interface elements as per gthr.h.
        Add stub types for __gthread_key_t, __gthread_once_t. Add defines
        for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
        Generalize UNUSED macro. 
        (__gthread_once): Add.
        (__gthread_key_create): Add.
        (__gthread_key_delete): Add.
        (__gthread_getspecific): Add.
        (__gthread_setspecific): Add.
        
2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>

        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
        the same size types for the indirect reference on the rhs, then
        create a VCE.

2008-05-05  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md
        (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
        one insn template instead of template series.
        (*xordi_1_rex64): Ditto.
        (*xordi_2_rex64): Ditto.

2008-05-05  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/36119
        * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
        in case of SLP.

2008-06-04  Jan Hubicka  <jh@suse.cz>

        tree-optimization/36100
        * tree-pass.h (pass_O0_always_inline): Declare.
        * ipa-inline.c (inline_transform): Remove dead code.
        (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
        pass_O0_always_inline): New.
        * passes.c (init_optimization_passes): Add pass_O0_always_inline.

2008-05-04  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
        mnemonic in this_param move for TARGET_64BIT.

2008-05-04  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
        (*strmovsi_rex_1): Ditto.
        (*strsetsi_1): Ditto.
        (*strsetsi_rex_1): Ditto.

        (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
        adddicc expanders using SWI mode iterator.

2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/36121
        * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
        argument handling.

2008-05-04  David S. Miller  <davem@davemloft.net>

        * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
        (sparc*-*-linux*): Use linux.h in tm_file.
        (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
        compiler defaulting to 32-bit.
        (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
        no longer needed.
        * config/sparc/linux.h: Remove definitions now obtained
        properly from linux.h
        * config/sparc/linux64.h: Likewise.
        (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
        don't want this setting for 32-bit builds in a biarch compiler.
        * doc/install.texi: Add sparc-linux to list of targets
        supporting --enable-targets=all.

2008-05-03  Andrew Pinski  <pinskia@gmail.com>

        * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.

2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
        after V4SI_FTYPE_V8HI.
        (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
        case V4SI_FTYPE_V2DF.

2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>

        * doc/invoke.texi (max-flow-memory-locations): Removed.
        * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
        
2008-05-03  Richard Guenther  <rguenther@suse.de>

        PR middle-end/34973
        * opts.c (set_Wstrict_aliasing): Handle the turn-off case.

2008-05-02  David S. Miller  <davem@davemloft.net>

        * config.gcc (need_64bit_hwint): Document libcpp dependency.

2008-05-02  Simon Baldwin <simonb@google.com>

        PR bootstrap/36108
        * c-common.h (warn_array_subscript_range): Removed.
        * c-common.c (warn_array_subscript_range): Ditto.
        * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
        * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.

2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_special_builtin_type): New.
        (bdesc_special_args): Likewise.
        (ix86_expand_special_args_builtin): Likewise.
        (ix86_init_mmx_sse_builtins): Updated.
        (ix86_expand_builtin): Updated.
        (ix86_expand_store_builtin): Removed.
        (ix86_expand_unop_builtin): Likewise.

        * config/i386/mm3dnow.h (__v2sf): Moved to ...
        * config/i386/mmintrin.h (__v2sf): Here.

        * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
        const __v2sf.
        (_mm_loadl_pi): Likewise.
        (_mm_storeh_pi): Replace __v2si with __v2sf.
        (_mm_storel_pi): Likewise.

        * doc/extend.texi: Correct __builtin_ia32_loadhps,
        __builtin_ia32_loadlps, __builtin_ia32_storehps,
        __builtin_ia32_storelps, __builtin_ia32_loadhpd and
        __builtin_ia32_loadlpd.

2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
        V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
        (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
        (ix86_init_mmx_sse_builtins): Updated.
        (ix86_expand_args_builtin): Likewise.
        (ix86_expand_builtin): Likewise.
        (ix86_expand_unop1_builtin): Renamed to ...
        (ix86_expand_unop_vec_merge_builtin): This.

2008-05-01  Jan Hubicka  <jh@suse.cz>

        PR bootstrap/36100
        * ipa-inline.c (inline_generate_summary): Make static.
        (inline_transform): Do not call inlining at -O0; make static.
        * passes.c (execute_todo): Add sanity check.
        (execute_one_ipa_transform_pass): Execute proper flags.

2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
        (DECL_NONADDRESSABLE_P): Likewise.
        * alias.c (record_component_aliases): Fix comment.

2008-05-01  Simon Baldwin <simonb@google.com>

        * c-common.h (warn_array_subscript_range): New function.
        * c-common.c (warn_array_subscript_range): Ditto.
        * tree-vrp.c (check_array_ref): Corrected code to agree with
        comment, ignoring only arrays of size 0 or size 1.
        * c-typeck.c (build_array_ref): Call warn_array_subscript_range.

2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_builtin_type): Replace
        DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
        (bdesc_args): Updated.
        (ix86_init_mmx_sse_builtins): Likewise.
        (ix86_expand_args_builtin): Likewise.

        * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
        with __v1di.

        * doc/extend.texi: Correct __builtin_ia32_palignr.

2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/36095
        * config/i386/i386.c (bdesc_crc32): Removed.
        (ix86_expand_crc32): Likewise.
        (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
        V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
        V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
        UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
        UINT_FTYPE_UINT_UCHAR.
        (bdesc_args): Updated. Add crc32 builtins.
        (ix86_init_mmx_sse_builtins): Updated.
        (ix86_expand_args_builtin): Updated to support subreg.

        * doc/extend.texi: Correct __builtin_ia32_crc32di.

2008-05-01  Jan Hubicka  <jh@suse.cz>

        * tree-pass.h (opt_pass): Add IPA_PASS.
        (varpool_node, cgraph_node): Forward declare.
        (ipa_opt_pass): Define.
        (pass_ipa_inline): Turn into ipa_opt_pass.
        (pass_apply_inline): Remove.
        * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
        (apply_inline): Turn into ....
        (inline_transform): ... this one.
        (inline_generate_summary): New function.
        (pass_apply_inline): Remove.
        * function.h (ipa_opt_pass): Forward declare structure; typedef;
        vector.
        (struct function): Add ipa_transforms_to_apply.
        * passes.c (register_one_dump_file): Work on IPA_PASS.
        (init_optimization_passes): Remove pass_inline_parameters and
        pass_apply_inline.
        (pass_init_dump_file, pass_fini_dump_file): Break out from ....
        (execute_one_pass) ... here; apply transforms when possible.
        (add_ipa_transform_pass, execute_ipa_summary_asses,
        execute_one_ipa_transform_pass): New.
        (execute_ipa_pass_list): Update for IPA_PASS type.

2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_builtin_type): Add
        V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
        V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
        (bdesc_args): Add SSE4a builtins.
        (ix86_init_mmx_sse_builtins): Updated.
        (ix86_expand_args_builtin): Likewise.
        (ix86_expand_builtin): Likewise.

2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_builtin_type): Add
        V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
        V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
        V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
        V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
        V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
        V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
        V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
        V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
        and DI_FTYPE_DI_DI_INT.
        (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
        (ix86_init_mmx_sse_builtins): Updated.
        (ix86_expand_args_builtin): Likewise.
        (ix86_expand_builtin): Likewise.
        (ix86_expand_binop_imm_builtin): Removed.

        * doc/extend.texi: Correct __builtin_ia32_palignr128.

2008-04-30  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/32921
        * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.

2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/arm/arm.c (arm_unwind_emit): Use
        crtl->all_throwers_are_sibcalls instead of
        cfun->all_throwers_are_sibcalls.
        (arm_output_fn_unwind): Likewise.
        * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
        instead of cfun->uses_pic_offset_table.
        (frv_expand_prologue): Likewise.
        (frv_frame_pointer_required): Likewise.
        (frv_expand_fdpic_call): Likewise.
        (frv_emit_movsi): Likewise.
        * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
        cfun->returns_pcc_struct instead of
        current_function_returns_pcc_struct.
        * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
        instead of cfun->calls_eh_return.
        (m32c_pushm_popm): Likewise.
        * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
        "extern" declaration.

2008-04-30  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/21636
        * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
        constant address.
        (evaluate_stmt): Print the likely value.
        (ccp_visit_stmt): Avoid excessive vertical spacing.

2008-04-30  Rafael Espindola  <espindola@google.com>

        * builtins.c (fold_call_expr): Return realret.
        * tree-ssa-threadedge.c
        (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
        __builtin_object_size.

2008-04-30  Seongbae Park  <seongbae.park@gmail.com>

        * gcc.c (wrapper_string): New variable.
        (insert_wrapper): New function.
        (execute): New option -wrapper.
        * doc/invoke.texi (Overall Options): New driver option -wrapper.

2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>

        * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
        config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
        config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
        from...
        * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
        * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
        config/rs6000/e500crtres64gprctr.asm,
        config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
        config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
        config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
        config/rs6000/e500crtsav64gprctr.asm,
        config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
        config/rs6000/e500crtsavg64gprctr.asm: New files.
        * config/rs6000/t-ppccomm: Add build rules for new files.
        (LIB2FUNCS_STATIC_EXTRA): Add new files.
        * config/rs6000/t-netbsd: Add build rules for new files.
        (LIB2FUNCS_STATIC_EXTRA): New variable.
        * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
        (CRTSAVRES_DEFAULT_SPEC): Likewise.
        * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.

2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_builtin_type): Add
        FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
        V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
        V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
        V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
        V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
        V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
        V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
        V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
        V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
        V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
        V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
        V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
        V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
        V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
        V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
        V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
        V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
        V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
        V1DI_FTYPE_V2SI_V2SI.
        (bdesc_2arg): Moved to ...
        (bdesc_args): Here.
        (ix86_init_mmx_sse_builtins): Updated.
        (ix86_expand_args_builtin): Updated.  Take a pointer
        to const struct builtin_description.  Handle comparison
        builtin functions.
        (ix86_expand_sse_compare): Take a new argument for swapping operands.
        (ix86_expand_builtin): Updated.

        * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
        (ssse3_pmaddubsw128): This.
        (ssse3_pmaddubswv4hi3): Renamed to ...
        (ssse3_pmaddubsw): This.

        * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
        (__builtin_ia32_packssdw128): Likewise.
        (__builtin_ia32_packuswb128): Likewise.
        (__builtin_ia32_pmaddubsw): Likewise.
        (__builtin_ia32_pmaddubsw128): Likewise.

2008-04-30  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/14847
        * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
        (recognize_bits_test): Use it.
        (recognize_single_bit_test): Likewise.

2008-04-30  Martin Jambor  <mjambor@suse.cz>

        * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
        instead of setting number of formal parameters to zero.
        (ipcp_init_stage): Do not set the number of actual parameters to zero 
        either.
        (ipcp_propagate_stage): Explicitly skipping all calls to nodes
        which are called with variable number of arguments.
        (ipcp_insert_stage): Explicitely skipping all nodes which are
        called with variable number of arguments.
        (ipcp_callsite_param_print): Skipps callsites to nodes with varaible 
        number of parameters.

        * ipa-prop.h (struct ipa_node_params): Added flag
        called_with_var_arguments
        (ipa_set_param_count): Added.  Changed sole setter to use it.
        (ipa_get_param_count): Added.  All readers of param_count
        converted to use it instead.
        (ipa_set_called_with_variable_arg): Added.
        (ipa_is_called_with_var_arguments): Added.
        (ipa_get_ith_param): Added.  All readers of param_decls converted
        to use it instead.
        (ipa_set_cs_argument_count): Added, sole writer to argument_count 
        changed to use it. 
        (ipa_get_cs_argument_count): Added, all readers of argument_count
        changed to cal it.
        (ipa_get_ith_jump_func): Added. Accessors of jump values changed 
        to use it.
        
        * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
        (struct ipcp_lattice): Renamed cval_type to type
        (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices

        * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
        (ipcp_cval_set_cvalue): Changed type of parameter value to tree
        (ipcp_insert_stage): Changed the type of variable cvalue to tree
        (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
        (build_const_val): Changed the type of parameter cvalue to tree
        (ipcp_propagate_const): Changed the type of parameter cvalue to tree
        (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
        
        * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called 
        constant 

        * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
        (ipa_methodlist_not_empty): Removed, the sole user now checks directly
        (ipa_add_method): Renamed to ipa_push_func_to_list
        (ipa_remove_method): Renamed to ipa_pop_func_from_list
        (ipa_callsite_param_count): Removed.
        (ipa_callsite_param_count_set): Removed.
        (ipa_callsite_param): Removed.
        (ipa_callsite_callee): Removed.
        (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
        (ipa_callsite_compute_count): Renamed to ipa_count_arguments
        (ipa_method_formal_count): Removed.
        (ipa_method_formal_count_set): Removed.
        (ipa_method_get_tree): Removed.
        (ipa_method_tree_map_create): Removed.
        (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
        (ipa_create_param_decls_array): Creates the array itself
        (ipa_create_param_decls_array): Temporary variable info instead of 
        a few dereferences.
        (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
        (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
        (get_type): Removed.
        (ipa_jf_get_info_type): Removed.
        (ipa_node_create): Renamed to ipa_create_node_params
        (ipa_free): Renamed to ipa_free_all_node_params
        (ipa_nodes_create): Renamed to ipa_create_all_node_params
        (ipa_edges_create): Renamed to ipa_create_all_edge_args
        (ipa_edges_free): Renamed to ipa_free_all_edge_args
        (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
        (ipa_free_all_node_params): Deallocation to jump_functions moved to 
        ipa_free_all_edge_args
        (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
        (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
        (ipa_create_methodlist_node): Removed.
        (ipa_methodlist_method): Removed.
        (ipa_methodlist_method_set): Removed.
        (ipa_methodlist_next_method): Removed.
        (ipa_methodlist_next_method_set): Removed.
        (ipa_method_is_modified): Removed.
        (ipa_method_modify_create): Removed.
        (ipa_method_modify_init): Temporary variable info instead of a few 
        dereferences.
        (ipa_detect_param_modifications): Temporary variable info instead of 
        a few dereferences.
        (ipa_compute_jump_functions): Temporary variable info instead of 
        a few dereferences.
        (ipa_method_modify_set): Removed.
        (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
        (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather 
        than craph_node as the first parameter.
        (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
        (ipa_method_modify_init): Removed.
        (ipa_compute_jump_functions): Added a temp variable instead of 
        repeatadly dereferencing the cgraph_edge.aux pointer
        (ipa_callsite_param_set_type): Removed.
        (ipa_compute_jump_functions): i renamed to index and moved to 
        an inner block
        (ipa_callsite_param_set_info_type_formal): Removed.
        (ipa_callsite_param_set_info_type): Removed.
        (ipa_callsite_param_map_create): Removed.
        (ipa_callsite_tree): Removed.
        (ipa_callsite_caller): Removed.
        (ipa_pop_func_from_list): return_method removed to return_func

        * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
        prefixed all values with IPA_. Changed all users.
        (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN, 
        CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF 
        and FORMAL_IPATYPE IPA_PASS_THROUGH. 
        (union parameter_info): Renamed to jump_func_value.
        (union jump_func_value): Renamed value to constant
        (struct ipa_jump_func): Renamed info_type to value
        (struct ipa_node): Renamed to ipa_node_params
        (struct ipa_node_params): Renamed ipa_arg_num to param_count
        (struct ipa_node_params): Renamed ipa_param_tree to param_decls
        (struct ipa_node_params): Renamed ipa_mod to modified_flags
        (struct ipa_edge): Renamed to ipa_edge_args
        (struct ipa_edge_args): Renamed ipa_param_num to argument_count
        (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
        (struct ipa_methodlist): Renamed to ipa_func_list
        (struct ipa_func_list): method_p renamed to node, next_method
        renamed to next
        (ipa_methodlist_p): Removed, switched all users to struct pointer
        (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX

2008-04-30  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
        (rs6000_emit_epilogue): Use backchain to restore only when we
        have a large frame.  Make use of frame pointer to restore if we
        have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.

2008-04-29  Paolo Bonzini  <bonzini@gnu.org>

        * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
        Add mode to zero_extract.
        (sign bit tests peepholes): (Ditto.).

2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_builtins): Replace Prescott New
        Instructions in comments with SSE3.
        (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
        INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
        INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
        V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
        V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
        V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
        V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
        V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
        V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
        V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
        V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
        V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
        (bdesc_sse_args): Renamed to ...
        (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
        IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
        IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
        IX86_BUILTIN_FABSQ.
        (bdesc_1arg): Moved to ...
        (bdesc_args): Here.
        (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
        Instructions in comments with SSE3.
        (ix86_expand_sse_operands_builtin): Renamed to ...
        (ix86_expand_args_builtin): This.  Updated.
        (ix86_expand_unop1_builtin): Update comments.
        (ix86_expand_builtin): Updated.

2008-04-29  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36078
        * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
        Update virtual SSA form after cleaning up the CFG.

2008-04-29  Richard Guenther  <rguenther@suse.de>

        PR middle-end/15255
        * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.

2008-04-29  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
        (compute_may_aliases): Do not call finalize_ref_all_pointers.
        (compute_flow_insensitive_aliasing): Do not treat
        PTR_IS_REF_ALL pointers special.
        (get_smt_for): Likewise.
        (may_alias_p): Re-structure.
        (is_escape_site): A ref-all pointer conversion is not an escape site.
        * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
        PTR_IS_REF_ALL pointers special.
        * tree-ssa-structalias.h (struct alias_info): Remove
        ref_all_symbol_mem_tag field.
        (PTR_IS_REF_ALL): Remove.

2008-04-29  Richard Guenther  <rguenther@suse.de>

        PR middle-end/36077
        * fold-const.c (extract_muldiv_1): In combining division constants
        make sure to never overflow.

2008-04-29  Nick Clifton  <nickc@redhat.com>

        * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.

2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR bootstrap/35169
        * optc-gen.awk: Work around HP-UX/IA awk bug.

2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
        2008-04-25 commit.

2008-04-28  Uros Bizjak  <ubizjak@gmail.com>

        PR target/36073
        * config/i386/i386.md
        (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
        Change operand 1 predicate to nonimmediate_operand.

2008-04-28  Jakub Jelinek  <jakub@redhat.com>

        PR debug/36060
        * dwarf2out.c (struct die_struct): Mark as chain_circular through
        die_sub field.
        * gengtype.c (walk_type, write_func_for_structure): Handle
        chain_circular.
        * doc/gty.texi: Document chain_circular.

2008-04-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36066
        * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
        SCEV and loop.

2008-04-28  Uros Bizjak  <ubizjak@gmail.com>

        PR target/36064
        * config/i386/i386.md
        (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
        Use match_scratch instead of match_operand for operands 3 and 4.

2008-04-27  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/18754
        PR tree-optimization/34223
        * tree-pass.h (pass_complete_unrolli): Declare.
        * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
        loop size before and after unconditionally of UL_NO_GROWTH in effect.
        Rewrite loop into loop closed SSA form if it is not already.
        (tree_unroll_loops_completely): Re-structure to iterate over
        innermost loops with intermediate CFG cleanups.
        Unroll outermost loops only if requested or the code does not grow
        doing so.
        * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
        loops are available.
        (tree_vectorize): Instead do so here.
        (tree_complete_unroll): Also unroll outermost loops.
        (tree_complete_unroll_inner): New function.
        (gate_tree_complete_unroll_inner): Likewise.
        (pass_complete_unrolli): New pass.
        * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
        uses outside of the loop.
        (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
        form if it is available.  
        * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
        * passes.c (init_optimization_passes): Schedule complete inner
        loop unrolling pass before the first CCP pass after final inlining.

2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>

        * targhooks.h (default_emutls_var_fields,
        default_emutls_var_init): Declare.
        * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
        * target.h (struct gcc_target): Add struct emutls member.
        * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
        TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
        TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
        TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
        TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
        TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
        (TARGET_INITIALIZER): Add TARGET_EMUTLS.
        * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
        BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
        * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
        emit debug information.
        * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
        * varasm.c: Include targhooks.h.
        (emutls_object_section, emutls_tmpl_section): New.
        (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
        (EMUTLS_SEPARATOR): New.
        (prefix_name): New.
        (get_emutls_object_name): New.
        (default_emutls_var_fields): New, broken out of ...
        (get_emutls_object_type): ... here.  Adjust to use target hooks.
        (get_emutls_init_templ_addr): Adjust to use target hooks.
        (emutls_decl): Adjust to use target hooks.
        (emutls_finish): Likewise.
        (default_emutls_var_init): New, broken out of ...
        (assemble_variable): ... here.  Adjust to use target hooks.
        * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
        SECCAT_EMUTLS_TMPL.
        * c-common.c (handle_section_attribute): Prevent overriding
        sections for emulated tls with special sections.
        * config/i386/i386.c (x86_64_elf_select_section): Add
        SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
        (x86_64_elf_unique_section): Likewise.
        * config/vxworks.c: Include tree.h.
        (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
        (vxworks_override_options): Set TLS scheme.
        * doc/tm.texi (Emulated TLS): New node.

2008-04-26  Simon Baldwin <simonb@google.com>

        PR c/35652
        * builtins.c (c_strlen): Suppressed multiple warnings that can occur
        with propagated string constants.

2008-04-26  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
        constraint for operand 2 when operand 0 is memory operand.
        (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
        operand 0 is memory operand.
        (fix_trunc<mode>_i387_with_temp): Ditto.
        (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
        operand 2 when operand 1 is memory operand.
        (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
        (*floatsi<mode>2_vector_sse_with_temp): Ditto.
        (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
        (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
        (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
        operands 2,3 and 4 when operand 1 is memory operand.
        (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
        is memory operand.
        (fistdi2_floor_with_temp): Ditto.
        (fist<mode>2_floor_with_temp): Ditto.
        (fistdi2_ceil_with_temp): Ditto.
        (fist<mode>2_ceil_with_temp): Ditto.
        (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.

2008-04-26  David Daney  <ddaney@avtrex.com>

        * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
        unspec_volitile.
        (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
        UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
        UNSPEC_UPDATE_GOT_VERSION): Renumber.
        (sync_compare_and_swap<mode>): New expand for QI and HI modes.
        (compare_and_swap_12): New insn.
        * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
        * config/mips/mips.c (mips_force_binary): New function.
        (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
        (mips_expand_compare_and_swap_12): New function.
        * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.

2008-04-25  Jan Hubicka  <jh@suse.cz>