* config/i386/i386.c (ix86_supports_split_stack): Test

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

2010-09-28  Ian Lance Taylor  <iant@google.com>

        * config/i386/i386.c (ix86_supports_split_stack): Test
        HAVE_GAS_CFI_PERSONALITY_DIRECTIVE rather than
        dwarf2out_do_cfi_asm.

2010-09-28  Ian Lance Taylor  <iant@google.com>

        PR target/45815
        * opts.c (decode_options): Don't test whether the target supports
        split stack if flag_split_stack == 0.

2010-09-28  Jan Hubicka  <jh@suse.cz>

        * builtin-attrs.def (ATTR_LEAF): New attribute.
        (ATTR_NOVOPS_LEAF_LIST, ATTR_LEAF_LIST, ATTR_NOTHROW_LEAF_LIST,
        ATTR_CONST_NOTHROW_LEAF_LIST, ATTR_PURE_NOTHROW_LEAF_LIST,
        ATTR_PURE_NOTHROW_NOVOPS_LEAF_LIST, ATTR_NORETURN_NOTHROW_LEAF_LIST,
        ATTR_MALLOC_NOTHROW_LEAF_LIST, ATTR_SENTINEL_NOTHROW_LEAF_LIST,
        ATTR_NOTHROW_NONNULL_LEAF, ATTR_CONST_NOTHROW_NONNULL_LEAF,
        ATTR_CONST_NOTHROW_TYPEGENERIC_LEAF, ATTR_PURE_NOTHROW_NONNULL_LEAF,
        ATTR_MALLOC_NOTHROW_NONNULL_LEAF): New attribute lists.
        * sync-builtins.def: Annotate all builtins by leaf.
        * omp-builtins.def: Annotate all builtins by leaf.
        * builtins.def: Annotate relevant builtins with leaf attribute.
        (ATTR_MATHFN_ERRNO, ATTR_MATHFN_FPROUNDING,
        ATTR_MATHFN_FPROUNDING_ERRNO, ATTR_MATHFN_FPROUNDING_STORE): Make
        leaf.

2010-09-28  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-ccp.c (fold_ctor_reference): New function.
        (fold_const_aggregate_ref): Use it.
        * fold-const.c (canonicalize_constructor_val): Check that we don't fold
        into external static.

2010-09-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR target/44452
        * config/i386/i386.opt (mvect8-ret-in-mem): Define.
        * config/i386/i386.c (ix86_target_string): Handle -mvect8-ret-in-mem.
        (ix86_solaris_return_in_memory): Remove.
        * config/i386/i386-protos.h (ix86_solaris_return_in_memory): Remove.
        * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): Remove.
        (TARGET_SUBTARGET_DEFAULT): Redefine.
        * config/i386/sol2-10.h (TARGET_SUBTARGET_DEFAULT): Update comment.
        * config/i386/vx-common.h (SUBTARGET_RETURN_IN_MEMORY): Remove.
        (TARGET_SUBTARGET_DEFAULT): Redefine.
        * doc/invoke.texi (Option Summary, i386 and x86-64 Options): Add
        -mvect8-ret-in-mem.
        (i386 and x86-64 Options): Document -mvect8-ret-in-mem.

2010-09-29  Alan Modra  <amodra@gmail.com>

        PR target/45807
        * config/rs6000/aix.h (SETUP_FRAME_ADDRESSES): Delete.
        * config/rs6000/linux64.h (SETUP_FRAME_ADDRESSES): Delete.
        * config/rs6000/rs6000-protos.h (rs6000_aix_emit_builtin_unwind_init):
        Delete.
        * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init): Delete.
        (rs6000_emit_prologue): Don't just create frame save info for r2,
        actually save r2.

2010-09-28  Richard Henderson  <rth@redhat.com>

        * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Output 8 bytes
        when 8 bytes are requested.

2010-09-28  Tristan Gingold  <gingold@adacore.com>

        * config/avr/avr.c (expand_prologue): Set
        current_function_static_stack_size.

2010-09-28  Tristan Gingold  <gingold@adacore.com>

        * config/alpha/alpha.md: Change the initial condition of the
        probing loop.

2010-09-28  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (*avx_<umaxmin:code><mode>3):
        Split from *avx_<maxmin:code><mode>3.
        (*avx_<smaxmin:code><mode>3): Ditto.
        * config/i386/i386.md (maxmin): Remove code iterator.

2010-09-27  Ian Lance Taylor  <iant@google.com>

        * config/i386/i386.c (ix86_supports_split_stack): -fsplit-stack
        requires assembler support for CFI directives.

2010-09-27  Richard Henderson  <rth@redhat.com>

        * dwarf2out.c (dwarf2out_cfi_label): Use ASM_OUTPUT_DEBUG_LABEL.

2010-09-27  Hans-Peter Nilsson  <hp@axis.com>

        * emit-rtl.c (reorder_insns_nobb) [ENABLE_CHECKING]: Sanity-check
        that AFTER is not in the range FROM..TO, inclusive.

2010-09-27  Hans-Peter Nilsson  <hp@axis.com>
            Bernd Schmidt  <bernds@codesourcery.com>

        PR rtl-optimization/45792
        * cfgcleanup.c (try_head_merge_bb): New rtx vector nextptr.
        If not all insns are to be merged, for each edge, stash the
        next candidate after the to-be-merged insns before doing the
        merge, and use them for the retry at the new insertion point.
        Handle CC0 targets when retrying.

2010-09-27  Ian Lance Taylor  <iant@google.com>

        * common.opt (fsplit-stack): New option.
        * opts.c (decode_options): Set flag_split_stack to final value.
        * target.def (supports_split_stack): New hook.
        * gcc.c (STACK_SPLIT_SPEC): Define.
        (LINK_COMMAND_SPEC): Use STACK_SPLIT_SPEC.
        * doc/invoke.texi (Option Summary): Mention -fsplit-stack.
        (Code Gen Options): Document -fsplit-stack.
        * doc/extend.texi (Function Attributes): Mention no_split_stack.
        (Function Attributes): Document no_split_stack.
        * doc/tm.texi.in (Stack Smashing Protection): Add @hook
        TARGET_SUPPORTS_SPLIT_STACK.
        * doc/tm.texi: Rebuild.
        * function.c (thread_prologue_and_epilogue_insns): If
        flag_split_stack, add split stack prologue.
        * explow.c (allocate_dynamic_stack_space): Support -fsplit-stack.
        * varasm.c (saw_no_split_stack): New static variable.
        (assemble_start_function): Set saw_no_split_stack if the function
        has the no_split_stack attribute.
        (file_end_indicate_split_stack): New function.
        * output.h (file_end_indicate_split_stack): Declare.
        * libgcc-std.ver (GCC_4.6.0): Add -fsplit-stack support variables
        and function.
        * doc/libgcc.texi (Miscellaneous routines): Document -fsplit-stack
        routines.
        * config/i386/i386.c (ix86_option_override_internal): Don't set
        expand_builtin_va_start to NULL if -fsplit-stack.
        (ix86_function_regparm): Reduce local regparm by 1 for 32-bit
        -fsplit-stack.
        (ix86_va_start): If -fsplit-stack, get overflow pointer from
        scratch register set by prologue.
        (ix86_code_end): If -fsplit-stack, call
        file_end_indicate_split_stack.
        (ix86_supports_split_stack): New static function.
        (SPLIT_STACK_AVAILABLE): Define.
        (split_stack_prologue_scratch_regno): New static function.
        (split_stack_fn): New static variable.
        (ix86_expand_split_stack_prologue): New function.
        (ix86_live_on_entry): New static function.
        (ix86_legitimate_address_p): Handle UNSPEC_STACK_CHECK.
        (output_pic_addr_const): Likewise.
        (i386_asm_output_addr_const_extra): Likewise.
        (ix86_expand_call): Change return type to rtx.  Return the new
        call instruction.
        (TARGET_SUPPORTS_SPLIT_STACK): Define.
        (TARGET_EXTRA_LIVE_ON_ENTRY): Define.
        * config/i386/i386.md (UNSPEC_STACK_CHECK): Define.
        (split_stack_prologue, split_stack_return): New insns.
        (split_stack_space_check): New insn.
        * config/i386/i386.h (struct machine_function): Add
        split_stack_varargs_pointer field.
        * config/i386/linux.h (TARGET_CAN_SPLIT_STACK): Define.
        (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
        * config/i386/linux64.h (TARGET_CAN_SPLIT_STACK): Define.
        (TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
        * config/i386/i386-protos.h (ix86_expand_split_stack_prologue):
        Declare.
        (ix86_expand_call): Update declaration.

2010-09-27  Nicola Pero  <nicola.pero@meta-innovation.com>

        * doc/objc.texi (Type encoding): Added the new 'long double' (D)
        code.  Added byref, which was missing in the list of codes.
        Explain that enumeration values are encoded as the integer type
        that the compiler uses to store them.  Explain and make examples
        of how 'const' interacts with pointers, and the complication of
        the encoding of 'const char *'.
        (Legacy type encoding): New subsection, explaining that GCC emits
        incorrect type encodings for the NeXT runtime for compatibility
        reasons.
        (@@encode): New subsection, explaining @encode and particularly
        that protocol qualifiers are not recognized inside an @encode()
        expression.
        (Method signatures): New subsection, explaining how method
        signatures are encoded.

2010-09-27  Nicola Pero  <nicola.pero@meta-innovation.com>

        Merge from 'apple/trunk' branch on FSF servers.  Removed small
        change in build_conditional_expr that had been added when fixing
        PR objc/27377 and which did the same check in a less complete way.

        2005-12-15  Fariborz Jahanian <fjahanian@apple.com>

        Radar 4229905
        * c-typeck.c (build_conditional_expr): Call objc_have_common_type when
        looking for objective-c common pointer types.
        
        2005-06-22  Ziemowit Laski  <zlaski@apple.com>

        Radar 4154928
        * c-typeck.c (build_conditional_expr): For two ObjC pointer types,
        use their ObjC common type.

2010-09-27  Richard Guenther  <rguenther@suse.de>

        * dbxout.c (dbxout_symbol): Use DECL_FILE_SCOPE_P.

2010-09-27  Jie Zhang  <jie@codesourcery.com>

        * print-tree.c (print_node): Print in-constant-pool.

2010-09-27  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.h (CLASS_MAX_NREGS): Also handle XCmode.
        (UNITS_PER_WORD): Define only when IN_LIBGCC2 is undefined.
        (MOVE_MAX_PIECES): Redefine using UNITS_PER_WORD.
        (ASM_OUTPUT_AVX_PREFIX): Simplify pointer addition.

2010-09-26  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (pro_epilogue_adjust_stack_<mode>_add): Merge
        from pro_epilogue_adjust_stack_<mode>_{1,2}.
        (pro_epilogue_adjust_stack_<mode>_add): Rename from
        pro_epilogue_adjust_stack_<mode>_3.
        * config/i386/i386.c (pro_epilogue_adjust_stack): Update for
        renamed pro_epilogue_adjust_stack_{si,di}_add.
        (ix86_expand_prologue): Use indirect functions.  Update for renamed
        pro_epilogue_adjust_stack_{si,di}_sub.

2010-09-26  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (movmsk_df): New insn.
        (signbitdf): Split out of signbit<mode>2.  Generate movmsk_df
        sequence for TARGET_SSE_MATH.

2010-09-26  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (mips_builtin_decls): Declare.
        (mips_init_builtins): Store function declarations in
        mips_builtin_decls.
        (mips_builtin_decl): New function.
        (TARGET_BUILTIN_DECL): Define.

2010-09-25  Kai Tietz  <kai.tietz@onevision.com>
            Richard Henderson  <rth@redhat.com>

        * config/i386/cygwin.asm: Include auto-host.h.
        (cfi_startproc, cfi_endproc, cfi_adjust_cfa_offset,
        cfi_def_cfa_register, cfi_register, cfi_push, cfi_pop): New macros.
        (__chkstk, __alloca): Annotate for dwarf2 unwind info.  Drop
        alignment code from the 64-bit path.  Use gas local labels.
        * config/i386/i386.md (pro_epilogue_adjust_stack_<mode>_2): Macroize
        from _di_2.  Remove the useless constant integer argument.
        (pro_epilogue_adjust_stack_<mode>_3): New.
        (allocate_stack_worker_probe_<mode>): Macroize from
        allocate_stack_worker_{32,64}.  Use __chkstk_ms.  Update all users.
        * config/i386/i386.c (ix86_expand_prologue): Use __chkstk_ms;
        use gen_pro_epilogue_adjust_stack_*_3 and annotate it.
        (__chkstk_ms): New function.
        * config/i386/t-cygming (LIB1ASMFUNCS): Add _chkstk_ms.
        * gcc/config/i386/t-interix: Likewise.
        * configure.ac (HAVE_GAS_CFI_DIRECTIVE): Export for target.
        (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): Likewise.
        (HAVE_GAS_CFI_SECTIONS_DIRECTIVE): Likewise.
        * configure, config.in: Rebuild.

2010-09-25  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-inline.c (copy_bb): Use GSI_CONTINUE_LINKING when inserting new
        statements because of the return slot optimization.

2010-09-25  Anatoly Sokolov  <aesok@post.ru>

        * config/avr/avr.h (CLASS_LIKELY_SPILLED_P): Remove.
        * config/avr/avr-protos.h (class_likely_spilled_p): Remove.
        * config/avr/avr.c (TARGET_CLASS_LIKELY_SPILLED_P): Define.
        (class_likely_spilled_p): Rename to...
        (avr_class_likely_spilled_p): ...this. Make static. Change argument
        type to reg_class_t.

2010-09-24  Jan Hubicka  <jh@suse.cz>

        * lto-symtab.c (lto_symtab_entry_def): Add guessed field.
        (lto_symtab_resolve_symbols): Set it.
        (lto_symtab_merge_decls_1): Do not compute used_from_object_file;
        store resolution field in cgraph/varpool.
        * cgraph.c (cgraph_same_body_alias, cgraph_add_thunk): Return node.
        (cgraph_get_node_or_alias, cgraph_get_node_or_alias): Constify.
        (cgraph_dump_node): Drop used_from_object_file.
        (cgraph_clone_node, cgraph_create_virtual_clone): Likewise.
        (cgraph_function_body_availability): Use decl_replaceable_p.
        (cgraph_make_node_local): Set resolution to LDPR_PREVAILING_DEF_IRONLY.
        (cgraph_can_remove_if_no_direct_calls_and_refs): Use
        cgraph_used_from_object_file_p.
        (cgraph_will_be_removed_from_program_if_no_direct_calls): Use
        cgraph_used_from_object_file_p.
        (resolution_used_from_other_file_p): New functoin.
        (cgraph_used_from_object_file_p): New predicate.
        * cgraph.h: Include plugin-api.h
        (struct cgraph_local_info): Remove used_from_object_file.
        (struct cgraph_node): Add resolution field.
        (struct varpool_node): Likewise; remove used_from_object_file;
        reove const_value_known.
        (cgraph_get_node, cgraph_get_node_or_alias, cgraph_node,
        cgraph_same_body_alias, cgraph_add_thunk): Update prototypes.
        (resolution_used_from_other_file_p, cgraph_used_from_object_file_p,
        varpool_used_from_object_file_p): Declare.
        (varpool_get_node, varpool_extra_name_alias): Update prototype.
        * tree.h (DECL_REPLACEABLE_P): Remove.
        (decl_replaceable_p, decl_binds_to_current_def_p): Declare.
        * final.c (rest_of_clean_state): Use decl_binds_to_current_def_p.
        * lto-cgraph.c (lto_output_node, lto_output_varpool_node,
        input_overwrite_node, input_node, input_varpool_node): Stream
        resolution.
        * expr.c (expand_expr_real_1): Use const_value_known_p
        * ipa.c (ipa_discover_readonly_nonaddressable_var): Do not set
        const_value_known.
        (cgraph_externally_visible_p): Use cgraph_used_from_object_file_p.
        (function_and_variable_visibility): Set resolution for local vars
        and functions; use varpool_used_from_object_file_p.
        * varasm.c (resolution_to_local_definition_p, resolution_local_p): New
        static functions.
        (default_binds_local_p_1): Use resolutoin info.
        (decl_binds_to_current_def_p, decl_replaceable_p): New functions.
        * varpool.c (varpool_get_node): Constify.
        (const_value_known_p): Do not use vnode->const_value_known;
        use decl_replaceable_p.
        (varpool_finalize_decl): Do not set const_value_known.
        (cgraph_variable_initializer_availability): Use decl_replaceable_p
        (varpool_extra_name_alias): Return new node.
        (varpool_used_from_object_file_p): New function.

2010-09-24  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (ia64_dwarf_handle_frame_unspec): New.
        (TARGET_DWARF_HANDLE_FRAME_UNSPEC): New.
        (do_spill): Use REG_CFA_OFFSET.
        (ia64_expand_prologue): Use REG_CFA_ADJUST_CFA and REG_CFA_REGISTER
        as appropriate.
        (ia64_expand_epilogue): Likewise.
        (process_set): Split into ...
        (process_cfa_adjust_cfa): this,
        (process_cfa_register): this,
        (process_cfa_offset): and this new function.
        (ia64_asm_unwind_emit): Use them.  Expect REG_CFA_* notes
        instead of REG_FRAME_RELATED_EXPR.

2010-09-24  Olivier Hainque  <hainque@adacore.com>

        * config/i386/vx-common.h (DBX_REGISTER_NUMBER): Reinstate.

2010-09-24  Jan Hubicka  <jh@suse.cz>

        * doc/extend.texi: (attribute leaf): Document.
        * tree.c (local_define_builtin): Handle ECF_LEAF.
        (build_common_builtin_nodes): Set ECF_LEAF where needed.
        * tree.h (ECF_LEAF): New.
        * ipa-reference.c (propagate_bits): For leaf calls propagate ever
        overwrittable and unavailable functions.
        (ipa_init): Put all_module_statics into optimization_summary_obstack.
        (copy_global_bitmap): Do not copy all_module_statics.
        (read_write_all_from_decl): Use cgraph_node argument; handle ECF_LEAF.
        (propagate): Handle overwritable and unavailable leaf functions;
        initialize global info for overwritable and unavailable leaf functions;
        do not free all module statics.
        (ipa_reference_get_not_{read,written}_global): Leaf calls don't clobber
        local statics.
        * calls.c (flags_from_decl_or_type): Handle leaf.
        * tree-cfg.c (stmt_can_make_abnormal_goto): Leaf functions can't do
        abnormal gotos.

2010-09-24  Basile Starynkevitch  <basile@starynkevitch.net>

        * gengtype.c: Reindented.
        * gengtype.h: Reindented.
        * gengtype-parse.c: Reindented.

2010-09-24  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/45738
        PR tree-optimization/45741
        * expr.c (string_constant): Allow CONST_DECL too;
        check that DECL_INITIAL is set.
        * varpool.c (const_value_known_p): Only look into VAR_DECL
        and CONST_DECL.

2010-09-24  Joseph Myers  <joseph@codesourcery.com>

        * common.opt (undef): New.

2010-09-24  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/45234
        * rtl.h (enum global_rtl_index): Add
        GR_VIRTUAL_PREFERRED_STACK_BOUNDARY.
        (LAST_VIRTUAL_POINTER_REGISTER): Define.
        (virtual_preferred_stack_boundary_rtx,
        VIRTUAL_PREFERRED_STACK_BOUNDARY_REGNUM): Define.
        (LAST_VIRTUAL_REGISTER): Increase by one.
        (REGNO_PTR_FRAME_P): Use LAST_VIRTUAL_POINTER_REGISTER
        instead of LAST_VIRTUAL_REGISTER.
        * function.c (instantiate_new_reg): Handle
        virtual_preferred_stack_boundary_rtx.
        * emit-rtl.c (init_virtual_regs): Handle
        VIRTUAL_PREFERRED_STACK_BOUNDARY_REGNUM.
        (init_emit_regs): Initialize virtual_preferred_stack_boundary_rtx.
        * explow.c (round_push): If crtl->preferred_stack_boundary
        is smaller than MAX_SUPPORTED_STACK_ALIGNMENT, use
        virtual_preferred_stack_boundary_rtx alignment instead of
        crtl->preferred_stack_boundary alignment.
        (allocate_dynamic_stack_space): Use CONST_INT_P and REG_P
        macros.  Never decrease crtl->preferred_stack_boundary,
        use crtl->preferred_stack_boundary or MAX_SUPPORTED_STACK_ALIGNMENT
        instead of PREFERRED_STACK_BOUNDARY.  Don't modify
        stack_pointer_delta in dynamic allocation, even when size
        is constant.
        (probe_stack_range, anti_adjust_stack_and_probe): Use CONST_INT_P
        macro.
        * print-rtl.c (print_rtx): Handle
        VIRTUAL_PREFERRED_STACK_BOUNDARY_REGNUM.
        * config/alpha/alpha.h (NONSTRICT_REG_OK_FP_BASE_P): Use
        LAST_VIRTUAL_POINTER_REGISTER instead of LAST_VIRTUAL_REGISTER.
        * config/frv/frv.c (frv_emit_movsi): Likewise.
        * config/arm/arm.c (thumb1_legitimate_address_p): Likewise.
        * config/rs6000/rs6000.c (virtual_stack_registers_memory_p):
        Likewise.

        Revert:
        2010-09-17  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/45234
        * calls.c (expand_call): Make sure that all variable sized
        adjustments are multiple of preferred stack boundary after
        stack alignment.

2010-09-24  Iain Sandoe  <iains@gcc.gnu.org>
            Dominique Dhumieres  <dominiq@lps.ens.fr>

        PR bootstrap/45751
        * gcc/config/darwin-driver.c (darwin_default_min_version):
        Adjust size passed to memcpy in two places.

2010-09-24  Richard Guenther  <rguenther@suse.de>

        * c-decl.c (pop_scope): Always set file-scope DECL_CONTEXT.
        Make sure to not call set_type_context with error_mark_node.
        * langhooks.c (lhd_set_decl_assembler_name): Use DECL_FILE_SCOPE_P.

2010-09-24  Richard Guenther  <rguenther@suse.de>

        * Makefile.in (OBJS-onestep): Remove.
        (ALL_HOST_BACKEND_OBJS): Remove libbackend.o.
        (libbackend.a): Remove onestep support.
        (libbackend.o): Remove.
        * configure.ac (--enable-intermodule): Remove.
        * configure: Regenerate.

2010-09-24  Bernd Schmidt  <bernds@codesourcery.com>

        * cfgcleanup.c (flow_find_head_matching_sequence): Terminate when
        reaching the end of a block if it occurs at a DEBUG_INSN.

2010-09-09  Tristan Gingold  <gingold@adacore.com>

        PR target/44242
        * config/vms/vms-crt0-64.c: Removed.
        * config/vms/vms-crt0.c: Removed.
        * config/vms/vms-psxcrt0-64.c: Removed.
        * config/vms/vms-psxcrt0.c: Removed.
        * config/vms/vms-ucrt0.c: New file.
        * config/vms/t-vms64: Removed.
        * config/vms/t-vms (VMS_EXTRA_PARTS): Uncomment it.  Remove DECC.
        Use $(GCC_FOR_TARGET) to build pcrt0.o and vcrt0.o
        * config.gcc (alpha-dec-vms): Use t-vms.

2010-09-24  Nicola Pero  <nicola.pero@meta-innovation.com>

        * doc/invoke.texi (-fno-nil-receivers): Tidied up line to remove
        underfull hbox in DVI output.
        (-fobjc-class-cxx-cdtors): Same change.
        (-fobjc-exceptions): Tidied up documentation.  Explain what the
        option does, but moved the (lenghty) description of the exception
        syntax into objc.texi.
        (-fobjc-gc): Explain that the option is not useful with the GNU
        runtime.
        (-fzero-link): Explain that the GNU runtime always works in
        "zero-link" mode.
        * doc/objc.texi: All sections: simplified @node declarations
        removing specification of next, previous, up node.
        (Objective-C): Updated introduction.
        (Garbage Collection): Updated.  The bohem-gc library is now
        included in gcc itself.  Mention that this section only applies to
        the GNU Objective-C runtime.
        (compatibility_alias): Small tidy up.
        (Exceptions): New section mostly containing text previously in the
        description of the -fobjc-exception command-line option.
        (Synchronization): Same.

2010-09-24  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (ix86_code_end): Move the initialization of
        xops array near the consumer.  Use AX_REG and SP_REG instead of
        numerical constants.

2010-09-24  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-typeck.c (convert_arguments): Use warning 'too many arguments to
        method [methodname]' for an Objective-C method instead of the less
        satisfactory 'too many arguments to function' (with no method name).

2010-09-23  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-flow.h (execute_update_addresses_taken): Remove parameter.
        * tree-ssa.c (maybe_optimize_var): Tweak comment and dump messages.
        (execute_update_addresses_taken): Remove parameter.  Execute the
        optimization unconditionally.
        * passes.c (execute_function_todo): Call execute_update_addresses_taken
        unconditionally if TODO_rebuild_alias is set, else only when optimizing
        if TODO_update_address_taken is set.

2010-09-23  Anatoly Sokolov  <aesok@post.ru>

        * config/arm/arm.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
        * config/arm/arm-protos.h (arm_output_addr_const_extra): Remove.
        * config/arm/arm.c (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
        (arm_output_addr_const_extra): Make static.

2010-09-23  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (UNSPECV_NOPS): Rename from UNSPEC_NOPS and
        define as unspec_volatile.
        ("nops"): Define as unspec_volatile. Use fputs to write to
        asm_out_file directly.  Output NOPs on separate lines using while loop.
        * config/i386/i386.c (ix86_code_end): Use fputs to write to
        asm_out_file directly.  Output NOPs on separate lines using while loop.

2010-09-23  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/45565
        * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee):
        Make sure to adjust the fndecl before replacing the stmt.

2010-09-23  Richard Guenther  <rguenther@suse.de>

        PR middle-end/45750
        * gimplify.c (gimplify_expr): Properly pass on GS_ERROR when
        gimplifying MEM_REF.

2010-09-23  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.c (toc_relative_ok): Delete.
        (rs6000_emit_move): Use SYMBOL_REF_LOCAL_P instead.

2010-09-23  Bernd Schmidt  <bernds@codesourcery.com>

        PR rtl-optimization/44374
        * basic-block.h (enum bb_flags): Add BB_MODIFIED.
        * df-core.c (df_set_bb_dirty): Set it.
        * ifcvt.c (find_memory): Remove function.
        (dead_or_predicable): Use can_move_insns_across.
        * df.h (can_move_insns_across): Declare function.
        * cfgcleanup.c (block_was_dirty): New static variable.
        (try_crossjump_bb, try_forward_edges): Test BB_MODIFIED flag rather
        than df_get_bb_dirty.
        (try_head_merge_bb): New static function.
        (try_optimize_cfg): Call it.  Call df_analyze if block_was_dirty
        is set.
        * df-problems.c: Include "target.h"
        (df_simulate_find_uses): New static function.
        (MEMREF_NORMAL, MEMREF_VOLATILE): New macros.
        (find_memory, find_memory_store): New static functions.
        (can_move_insns_across): New function.
        * Makefile.in (df-problems.o): Update dependencies.

2010-09-22  Eric Botcazou  <ebotcazou@adacore.com>

        PR java/44095
        * config/sparc/linux.h (ASM_SPEC): Pass -K PIC if -findirect-dispatch
        is specified and the suffix of the file isn't ".c".
        * config/sparc/linux64.h (ASM_SPEC): Likewise.

2010-09-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/contrib.texi (Contributors): Allow URL to wrap in PDF output.
        * doc/cppopts.texi: Fix markup of index entry.
        * doc/extend.texi (Constructing Calls): Fix markup of
        __builtin_va_arg_pack and __builtin_va_arg_pack_len definition.
        (Conditionals, C++ Comments, Pragmas, Unnamed Fields, Thread-Local)
        (Vague Linkage, C++ Attributes): Fix markup of index entries and
        keywords.
        * doc/invoke.texi (Option Summary): Fix spacing.  Rewrap to
        avoid long lines.
        (C Dialect Options, C++ Dialect Options, Warning Options)
        (Debugging Options, Spec Files, Darwin Options)
        (i386 and x86-64 Options, MIPS Options)
        (RS/6000 and PowerPC Options, Code Gen Options): Fix markup of
        index entries, avoid abbreviations, allow URLs to wrap, avoid
        long lines, avoid overlong pages from long @itemx lists.
        * doc/objc.texi (Garbage Collection): Allow URLs to wrap.
        * doc/standards.texi (Standards): Likewise.
        * doc/trouble.texi (Incompatibilities): Fix markup of index entry.

2010-09-22  Joseph Myers  <joseph@codesourcery.com>

        * opts-common.c (prune_options): Make static.  Work with decoded
        options.
        (decode_cmdline_options_to_array): Call prune_options.  Don't
        resize option array here.
        * opts.h (prune_options): Remove prototype.
        * gcc.c (process_command): Take decoded options; don't call
        decode_cmdline_options_to_array here.  Use decoded options for argv[0].
        (main): Call decode_cmdline_options_to_array here instead of
        prune_options.  Update call to process_command.
        * config/darwin-driver.c: Include opts.h.
        (darwin_default_min_version): Work with decoded options.  Don't
        handle -b or -V here.
        * config/darwin.h (darwin_default_min_version): Update prototype.
        (GCC_DRIVER_HOST_INITIALIZATION): Update call to
        darwin_default_min_version.
        * config/i386/cygwin.h (mingw_scan): Update prototype.
        (GCC_DRIVER_HOST_INITIALIZATION): Update call to mingw_scan.
        * config/i386/cygwin1.c: Include opts.h.
        (mingw_scan): Work with decoded options.
        * config/i386/t-cygwin (cygwin1.o): Update dependencies.
        * config/t-darwin (darwin-driver.o): Update dependencies.

2010-09-22  Joseph Myers  <joseph@codesourcery.com>

        * common.opt (-assemble, -compile, -coverage, -debug, -dump,
        -dump=, -dumpbase, -dumpdir, -entry, -entry=, -extra-warnings,
        -for-assembler, -for-assembler=, -for-linker, -for-linker=,
        -force-link, -force-link=, -language, -language=,
        -library-directory, -library-directory=, -no-canonical-prefixes,
        -no-standard-libraries, -no-warnings, -optimize, -output,
        -output=, -pass-exit-codes, -pedantic, -pedantic-errors, -pie,
        -pipe, -prefix, -prefix=, -preprocess, -print-file-name,
        -print-file-name=, -print-libgcc-file-name,
        -print-multi-directory, -print-multi-lib,
        -print-multi-os-directory, -print-prog-name, -print-prog-name=,
        -print-search-dirs, -print-sysroot, -print-sysroot-headers-suffix,
        -profile, -save-temps, -shared, -specs, -specs=, -static,
        -symbolic, -time, -verbose, -param=, -sysroot, coverage, e, u,
        symbolic): New.
        (fhelp, fhelp=, ftarget-help, fversion): Make into aliases.
        * gcc.c (A Short Introduction to Adding a Command-Line Option):
        Remove comment.
        (cc1_options): Correct specs for passing down --help,
        --target-help and --help=*.  Add spec for passing down --version.
        (struct option_map, option_map, target_option_translations,
        translate_options): Remove.
        (driver_handle_option): Handle OPT__version, OPT__help, OPT__help_
        and OPT__target_help instead of OPT_fversion, OPT_fhelp,
        OPT_fhelp_ and OPT_ftarget_help.
        (process_command): Don't call translate_options.  Call
        decode_cmdline_options_to_array before checking for
        -no-canonical-prefixes using decoded options.
        * opts-common.c (tm.h): Update comment on #include.
        (find_opt): Allow abbreviations of long options.
        (struct option_map, option_map): New.
        (decode_cmdline_option): Use them instead of hardcoding -Wno, -fno
        and -mno handling.
        (target_option_translations): New.
        (decode_cmdline_options_to_array): Handle
        TARGET_OPTION_TRANSLATE_TABLE in driver.
        * opts.c (common_handle_option): Don't handle OPT_fhelp,
        OPT_ftarget_help, OPT_fhelp_ or OPT_fversion.

2010-09-22  Richard Guenther  <rguenther@suse.de>

        * tree-inline.c (optimize_inline_calls): Schedule cleanups
        only if we inlined something.  Block compaction and conditional
        folding are done by cfg cleanup.  Schedule update-address-taken.
        (tree_function_versioning): Remove redundant call to number_blocks.
        * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Conditional
        folding is done by cfg cleanup.
        * passes.c (init_optimization_passes): Remove update-address-taken
        pass after IPA inlining.

2010-09-22  Chung-Lin Tang  <cltang@codesourcery.com>

        * postreload.c (move2add_note_store): Add reg_symbol_ref[] checks
        to update conditions. Fix reg_mode[] check.

2010-09-22  Hariharan Sandanagobalane  <hariharan@picochip.com>

        * config/picochip/picochip.md (movhicc): Use expand to check whether
        movhicc is available and split it after reload.

2010-09-22  Richard Guenther  <rguenther@suse.de>

        * tree-ssanames.c (release_dead_ssa_names): Do not remove
        callee edges here.
        * passes.c (init_optimization_passes): Remove early CFG cleanup.
        * tree-optimize.c (execute_cleanup_cfg_pre_ipa): Remove.
        (pass_cleanup_cfg): Likewise.
        (execute_fixup_cfg): Cleanup.
        * tree-pass.h (pass_cleanup_cfg): Remove.

2010-09-22  Martin Jambor  <mjambor@suse.cz>

        * gimple-fold.c (fold_gimple_call): New parameter inplace, do not fold
        builtins if it is true.
        (fold_stmt_1): Call, fold_gimple_call always, pass inplace as a
        parameter.

2010-09-22  Martin Jambor  <mjambor@suse.cz>

        * tree-sra.c (struct access): New field grp_no_warning.
        (create_access_replacement): Set TREE_NO_WARNING according to
         grp_no_warning.
        (create_artificial_child_access): Use build_ref_for_model and set
        grp_no_warning if build_user_friendly_ref_for_offset fails.
        (propagate_subaccesses_across_link): Likewise.

2010-09-22  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/35664
        * config/sparc/constraints.md ('e'): Return NO_REGS if !TARGET_FPU.
        ('f'): Likewise.

2010-09-22  Tristan Gingold  <gingold@adacore.com>

        * config/alpha/alpha.c (alpha_use_linkage): Initialize target field.

2010-09-22  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.h (MAX_STRINGOP_ALGS): Fix typo in the name.
        * config/i386/i386.c (decide_alg): Update for rename.

2010-09-22  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/45739
        * simplify-rtx.c (simplify_binary_operation_1): Optimize even
        vector mode | CONST0_RTX (mode) and ^ CONST0_RTX (mode).

2010-09-21  Anatoly Sokolov  <aesok@post.ru>

        * config/rs6000/rs6000.h (OUTPUT_ADDR_CONST_EXTRA): Remove macros.
        * config/rs6000/rs6000-protos.h (rs6000_output_addr_const_extra):
        Remove.
        * config/rs6000/rs6000.c (rs6000_output_addr_const_extra): Make static.
        (TTARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.

2010-09-21  Nicola Pero  <nicola.pero@meta-innovation.com>

        PR objc/23710
        * c-parser.c (c_parser_objc_method_definition): Check the return
        value of objc_start_method_definition and if false is returned,
        parse the method definition but emit no code.

2010-09-21  Nicola Pero  <nicola.pero@meta-innovation.com>

        PR objc/25965
        * c-decl.c (detect_field_duplicates): If compiling Objective-C,
        call objc_get_interface_ivars ().

2010-09-21  Kai Tietz  <kai.tietz@onevision.com>

        PR target/45694
        * config/i386/i386.c (ix86_expand_prologue): Save r10 in case that
        static chain-register is used for 64-bit.

2010-09-21  Richard Guenther  <rguenther@suse.de>

        * dwarf2out.c (is_cu_die): New function.
        (add_pubtype): Use it.
        (gen_subprogram_die): Likewise.
        (gen_struct_or_union_type_die): Likewise.
        (dwarf2out_finish): Likewise.
        (comp_unit_die): Rename to ...
        (single_comp_unit_die): ... this.
        (comp_unit_die): New function lazily constructing and
        returning single_comp_unit_die.
        (is_cxx, is_fortran, is_ada, debug_dwarf, break_out_comdat_types,
        base_type_die, subrange_type_die, modified_type_die,
        lower_bound_default, add_bound_info, add_prototyped_attribute,
        dwarf2out_vms_debug_main_pointer, scope_die_for, retry_incomplete_types,
        dwarf2out_abstract_function, gen_type_die_with_usage, get_context_die,
        force_decl_die, gen_namespace_die, dwarf2out_decl,
        dwarf2out_start_source_file, dwarf2out_end_source_file,
        prune_unused_types, dwarf2out_finish): Use it.
        (gen_compile_unit_die): For GNU GIMPLE derive DW_AT_language from
        the global list of translation-unit decls.
        (dwarf2out_init): Do not create single_comp_unit_die here.
        (force_decl_die): Handle TRANSLATION_UNIT_DECL.

2010-09-21  Richard Guenther  <rguenther@suse.de>

        * dwarf2out.c (dwarf2out_decl): Do not always generate a DIE
        for bool for C++.

2010-09-21  Bernd Schmidt  <bernds@codesourcery.com>

        * config/arm/iterators.md (qhs_extenddi_op): New mode_attr.
        (qhs_extenddi_cstr): Likewise.
        * config/arm/arm.md (zero_extend<mode>di2, extend<mode>di2): Use
        them for the source operand.

2010-09-21  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_split_ashl): Rename single_width variable
        to half_width.  Use GET_MODE_BITSIZE to calculate mode size.
        (ix86_split_ashr): Ditto.
        (ix86_split_lshr): Ditto.

2010-09-21  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/45580
        * tree-ssa-propagate.c (substitute_and_fold): Always replace
        regular uses.
        * gimple-fold.c (gimple_fold_obj_type_ref): For a BINFO without
        virtuals fold the call into a regular indirect one.

2010-09-20  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/42775
        * cfgrtl.c (rest_of_pass_free_cfg): Recompute notes if delay slot
        scheduling is enabled.

2010-09-20  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/45728
        * expr.c (expand_expr_real_1): If op0 isn't REG or MEM, try
        gen_lowpart_common first and if that fails, force_reg first
        before calling gen_lowpart.

        PR middle-end/45678
        * cfgexpand.c (expand_one_stack_var_at): Use
        crtl->max_used_stack_slot_alignment as max_align, instead
        of maximum of that and PREFERRED_STACK_BOUNDARY.
        Don't call update_stack_alignment.

2010-09-20  Eric Botcazou  <ebotcazou@adacore.com>

        * langhooks.h (struct lang_hooks_for_types): Remove hash_types field.
        * langhooks-def.h (LANG_HOOKS_HASH_TYPES): Delete.
        (LANG_HOOKS_FOR_TYPES_INITIALIZER): Remove LANG_HOOKS_HASH_TYPES.
        * system.h (LANG_HOOKS_HASH_TYPES): Poison.
        * tree.c (type_hash_canon): Do not test lang_hooks.types.hash_types.
        (build_nonstandard_integer_type): Likewise.
        (build_range_type_1): New function, built from...
        (build_range_type): ...this.  Call build_range_type_1.
        (build_nonshared_range_type): New function.
        (build_array_type_1): New function, built from...
        (build_array_type: ...this.  Call build_array_type_1.
        (build_nonshared_array_type): New function.
        * tree.h (build_nonshared_range_type): Declare.
        (build_nonshared_array_type): Likewise.

2010-09-20  Anatoly Sokolov  <aesok@post.ru>

        * config/arm/arm.h (CLASS_LIKELY_SPILLED_P): Remove.
        * config/arm/arm.c (TARGET_CLASS_LIKELY_SPILLED_P): Define.
        (arm_class_likely_spilled_p): New function.

2010-09-20  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_expand_ashl_const): Rewrite using
        indirect functions.
        (ix86_split_ashl): Ditto.
        (ix86_split_ashr): Ditto.
        (ix86_split_lshr): Ditto.
        (ix86_adjust_counter): Ditto.

2010-09-20  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-family/c-common.h (constant_string_class): Documented with
        comment identical to the one already in c-common.c.

2010-09-20  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (any_cfis_emitted): New static variable.
        (add_fde_cfi): Set it.
        (dwarf2out_frame_debug): Clear it before processing,
        if it is set afterwards, flush any queued reg saves.

        PR debug/45124
        * dwarf2out.c (add_accessibility_attribute): Assume
        DW_ACCESS_private as the default for dwarf_version > 2
        and DW_TAG_class_type parent.
        (gen_inheritance_die): Assume DW_ACCESS_public as the default
        for dwarf_version > 2 and parent other than DW_TAG_class_type.

2010-09-20  Rafael Carre  <rafael.carre@gmail.com>

        PR target/45726
        * arm.md (arm_movt): Only enable on machines with MOVT.

2010-09-20  Jie Zhang  <jie@codesourcery.com>

        * config/arm/arm.c (arm_address_offset_is_imm): New.
        (arm_early_store_addr_dep): New.
        (arm_early_load_addr_dep): New.
        * config/arm/arm-protos.h (arm_early_store_addr_dep): Declare.
        (arm_early_load_addr_dep): Declare.
        (arm_address_offset_is_imm): Declare.
        * config/arm/cortex-m4.md: New file.
        * config/arm/cortex-m4-fpu.md: New file.
        * config/arm/arm.md: Include cortex-m4.md and cortex-m4-fpu.md.
        (attr generic_sched): Exclude cortexm4.
        (attr generic_vfp): Exclude cortexm4.

2010-09-20  Richard Guenther  <rguenther@suse.de>

        PR middle-end/45704
        * gimplify.c (gimplify_modify_expr_rhs): Preserve volatileness.

2010-09-20  Jan Hubicka  <jh@suse.cz>

        PR tree-optimize/45605
        * cgraph.h (const_value_known_p): Declare.
        (varpool_decide_const_value_known): Remove.
        * tree-ssa-ccp.c (get_base_constructor): Use it.
        * lto-cgraph.c (compute_ltrans_boundary): Likewise.
        * expr.c (string_constant): Likewise.
        * tree-ssa-loop-ivcanon.c (constant_after_peeling): Likewise.
        * ipa.c (ipa_discover_readonly_nonaddressable_var,
        function_and_variable_visibility): Likewise.
        * gimplify.c (gimplify_call_expr): Likewise.
        * gimple-fold.c (get_symbol_constant_value): Likewise.
        * varpool.c (varpool_decide_const_value_known): Replace by...
        (const_value_known_p): ... this one; handle other kinds of DECLs
        too and work for automatic vars.
        (varpool_finalize_decl): Use const_value_known_p.

2010-09-20  Rafael Carre  <rafael.carre@gmail.com>

        PR target/45726
        * arm.md (arm_movtas_ze): Only enable on machine with MOVT.

2010-09-20  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/45705
        * tree-ssa-dom.c (optimize_stmt): Perform redundant store elimination.

2010-09-20  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/45695
        * combine.c (try_combine): When splitting a two set pattern,
        make sure the pattern which will be put into i2 doesn't use REGs
        or MEMs set by insns in between i2 and i3.

2010-09-19  Jan Hubicka  <jh@suse.cz>

        PR lto/44246
        * lto-cgraph.c (input_cgraph_1, input_varpool_1): Avoid
        processing same node twice.

2010-09-19  Anatoly Sokolov  <aesok@post.ru>

        * config/bfin/bfin.h (CLASS_LIKELY_SPILLED_P): Remove.
        * config/bfin/bfin.c (TARGET_CLASS_LIKELY_SPILLED_P): Define.
        (bfin_class_likely_spilled_p): New function

2010-09-19  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/45714
        * tree-vect-stmts.c (vect_transform_stmt): Use a dummy statement
        created in vectorizable_call instead of the original statement in
        def stmt updates.

2010-09-19  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386-protos.h (split_double_mode): New prototype.
        (split_di, split_ti): Remove prototypes.
        * config/i386/i386.c (split_double_mode): New function.
        (split_di, split_ti): Remove.
        (ix86_expand_branch): Use split_double_mode.
        (ix86_split_to_parts): Ditto.
        (ix86_split_ashl): Ditto.
        (ix86_split_ashr): Ditto.
        (ix86_split_lshr): Ditto.
        (ix86_force_to_memory): Ditto.
        * config/i386/i386.md: Use split_double_mode in double-mode splitters.

2010-09-18  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/45453
        * cgraphunit.c (cgraph_finalize_function): Consider comdat & external
        virtual functions are reachable.
        * ipa-inline.c (cgraph_clone_inlined_nodes): Likewise.
        * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
        * ipa-prop.c (ipa_modify_formal_parameters): Clear DECL_VIRTUAL_P
        when modifying function.

2010-09-18  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/45605
        * cgraphunit.c (cgraph_analyze_functions): Allocate bitmap obstack.
        * gimple-fold.c (static_object_in_other_unit_p): New function.
        (canonicalize_constructor_val): Use it.
        (get_symbol_constant_value): Be reaqdy for canonicalize_constructor_val
        returning NULL.
        (gimple_fold_obj_type_ref_known_binfo): Use
        static_object_in_other_unit_p.

2010-09-18  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/45709
        * tree-inline.c (copy_phis_for_bb): Delay commit of edge
        insertions until after all PHI nodes of the block are processed.

2010-09-18  Tijl Coosemans  <tijl@coosemans.org>

        * config/i386/freebsd.h (SUBTARGET32_DEFAULT_CPU): Add.

2010-09-18  Kai Tietz  <kai.tietz@onevision.com>

        * config.gcc (*-w64-mingw*): Correct typo about t-dfprules.

2010-09-18  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/45709
        * tree-inline.c (copy_phis_for_bb): Fixup new_edge when we splitted it.

2010-09-17  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (dot_deps): Add DEBUG_FUNCTION.
        (dot_deps_stmt): Same.
        * graphite-poly.c (dot_lst): Same.
        * graphite-scop-detection.c (dot_all_scops): Same.
        (dot_scop): Same.

2010-09-17  Sebastian Pop  <sebastian.pop@amd.com>

        Revert:
        2009-12-16  Ben Elliston  <bje@au.ibm.com>

        * tree-data-ref.c (dot_rdg_1): Added back.
        (dot_rdg): Same.  Added "#if 0" around system call.

2010-09-17  H.J. Lu  <hongjiu.lu@intel.com>
            Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (initial_ix86_tune_features): Add
        X86_TUNE_PAD_SHORT_FUNCTION.
        (ix86_code_end): Pad with 8 NOPs for TARGET_PAD_SHORT_FUNCTION.
        (ix86_count_insn): New.
        (ix86_pad_short_function): Likewise.
        (ix86_reorg): Support TARGET_PAD_SHORT_FUNCTION.

        * config/i386/i386.h (ix86_tune_indices): Add
        X86_TUNE_PAD_SHORT_FUNCTION.
        (TARGET_PAD_SHORT_FUNCTION): New.

        * config/i386/i386.md (UNSPEC_NOPS): New.
        (nops): Likewise.

2010-09-17  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/45234
        * calls.c (expand_call): Make sure that all variable sized
        adjustments are multiple of preferred stack boundary after
        stack alignment.

2010-09-17  DJ Delorie  <dj@redhat.com>

        * config/rx/rx.c (rx_print_operand): If __builtin_rx_setpsw() is
        passed an invalid value, print an error instead of ICEing.
        (valid_psw_flag): New.
        (rx_expand_builtin): Call it for setpsw/clrpsw.
        (rx_expand_builtin_mvtipl): Pass an integer to IN_RANGE, not an RTX.

        * config/rx/rx.md (bitclr): Don't mark the output as early-clobber.
        (bitclr_in_memory): Likewise.
        (clrspw, setpsw, mvfc, mvtc, mvtipl): Make volatile.

2010-09-17  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/45678
        * cfgexpand.c (update_stack_alignment): New.
        (get_decl_align_unit): Use it.
        (expand_one_stack_var_at): Call update_stack_alignment.

2010-09-17  Richard Guenther  <rguenther@suse.de>

        * lto-streamer-in.c (lto_input_ts_translation_unit_decl_tree_pointers):
        Properly copy the read string.

2010-09-17  Joseph Myers  <joseph@codesourcery.com>

        * doc/options.texi (Variable): Document.
        * optc-gen.awk, opth-gen.awk: Handle Variable records.  Don't
        generate target_flags declarations explicitly.  Don't define
        VarExists variables for the driver.
        * common.opt (target_flags): New Variable record.
        (flag_dump_unnumbered, flag_dump_unnumbered_links,
        flag_var_tracking, flag_var_tracking_assignments,
        flag_var_tracking_assignments_toggle): Don't mark variables with
        VarExists.
        * config/i386/i386.c (ix86_isa_flags): Don't define here.
        * config/i386/i386.opt (ix86_isa_flags): Define here.
        * config/mcore/mcore.c (mcore_stack_increment): Don't define here.
        * config/mcore/mcore.opt (mcore_stack_increment): Don't mark with
        VarExists.
        * flags.h (flag_dump_unnumbered, flag_var_tracking): Remove.
        * print-rtl.c (flag_dump_unnumbered, flag_dump_unnumbered_links):
        Only define for generator programs.
        * rtlanal.c (target_flags): Remove.
        * toplev.c (flag_var_tracking, flag_var_tracking_assignments,
        flag_var_tracking_assignments_toggle): Remove.

2010-09-17  Michael Matz  <matz@suse.de>

        PR tree-optimization/43432
        * tree-vect-data-refs.c (vect_analyze_data_ref_access):
        Accept backwards consecutive accesses.
        (vect_create_data_ref_ptr): If step is negative generate
        decreasing IVs.
        * tree-vect-stmts.c (vectorizable_store): Reject negative steps.
        (perm_mask_for_reverse, reverse_vec_elements): New functions.
        (vectorizable_load): Handle loads with negative steps when easily
        possible.

2010-09-03  Jan Hubicka  <jh@suse.cz>

        * lto-cgraph.c (compute_ltrans_boundary): Use const_value_known.

2010-09-03  Naveen H.S  <naveen.S@kpitcummins.com>

        * config/v850/v850.c (v850_function_value_regno_p): Make static.
        Adjust comments. Declare.
        (TARGET_FUNCTION_VALUE_REGNO_P): Define.
        * config/v850/v850.h (FUNCTION_VALUE_REGNO_P): Delete.

2010-09-17  Richard Guenther  <rguenther@suse.de>

        * common.opt (combine): Remove.
        * gcc.c (default_compilers): Remove specs testing combine.
        The C compilers no longer can combine.
        (option_map): Remove -combine.
        (display_help): Remove -combine.
        (driver_handle_option): Remove OPT_combine handling.
        (compile_input_file_p): Remove.
        (do_spec): Remove code concerning combine.
        (main): Likewise.
        * doc/invoke.texi: Remove traces of -combine.
        * lto-wrapper.c (run_gcc): Do not pass -combine to the compiler driver.

2010-09-17  Richard Guenther  <rguenther@suse.de>

        PR middle-end/45678
        * builtins.c (fold_builtin_memory_op): Always properly adjust
        alignment of memory accesses.

2010-09-16  Jan Hubicka  <jh@suse.cz>

        * lto-cgraph.c (input_overwrite_node): Do not set DECL_EXTERNAL when
        processing clone.

2010-09-16  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386-protos.h (ix86_split_idivmod): New prototype.

        * config/i386/i386.c (predict_jump): Add prototype.
        (flag_opts): Add -m8bit-idiv.
        (ix86_split_idivmod): New.

        * config/i386/i386.md (UNSPEC_DIV_ALREADY_SPLIT): New.
        Add 2 splitters for SI/DI mode divide.
        (divmod<mode>4_1): New pattern.
        (udivmod<mode>4_1): Likewise.
        (testdi_ccno_1): Likewise.

        * config/i386/i386.opt (m8bit-idiv): New.

        * doc/invoke.texi: Document -m8bit-idiv.

2010-09-16  Reza Yazdani  <reza.yazdani@amd.com>

        PR bootstrap/45680
        * config/i386/i386.c (min_insn_size): Moved out of the
        ASM_OUTPUT_MAX_SKIP_PAD ifdef.

2010-09-16  Jan Hubicka  <jh@suse.cz>

        * lto-cgraph.c (lto_output_node): Fix handling of clones.
        * ipa.c (cgraph_remove_unreachabloe_nodes): Fix handling of
        unreachable clones with reachable clones.
        * tree-inline.c (copy_bb): Fix sanity checking when producing
        unreachable clone.

2010-09-16  Anatoly Sokolov  <aesok@post.ru>

        * config/m32r/m32r.c (TARGET_MEMORY_MOVE_COSTS): Remove.
        (TARGET_MEMORY_MOVE_COST): Define.
        (m32r_function_arg): Annotate argument 'type' with ATTRIBUTE_UNUSED.

2010-09-16  Alexander Monakov  <amonakov@ispras.ru>

        * sel-sched.c (move_cond_jump): Use tidy_control_flow instead of
        maybe_tidy_empty_bb.

        Revert:
        2010-09-06  Alexander Monakov  <amonakov@ispras.ru>
        * sel-sched-ir.c (maybe_tidy_empty_bb): Export.

2010-09-16  Joseph Myers  <joseph@codesourcery.com>

        * target.def (target_option.optimization): New hook.
        * doc/tm.texi.in (OPTIMIZATION_OPTIONS): Change to
        TARGET_OPTION_OPTIMIZATION hook.
        * doc/tm.texi: Regenerate.
        * hooks.c (hook_void_int_int): New.
        * hooks.h (hook_void_int_int): Declare.
        * opts.c: Don't include tm_p.h.
        (decode_options): Use targetm.target_option.optimization instead
        of OPTIMIZATION_OPTIONS.
        * system.h (OPTIMIZATION_OPTIONS): Poison.
        * config/arm/arm-protos.h (arm_optimization_options): Remove.
        * config/arm/arm.c (TARGET_OPTION_OPTIMIZATION): Define.
        (arm_optimization_options): Rename to arm_option_optimization.
        Make static.
        * config/arm/arm.h (OPTIMIZATION_OPTIONS): Remove.
        * config/cris/cris.c (TARGET_OPTION_OPTIMIZATION): Define.
        (cris_option_optimization): New.
        * config/cris/cris.h (OPTIMIZATION_OPTIONS): Remove.
        * config/crx/crx.c (TARGET_OPTION_OPTIMIZATION): Define.
        (crx_option_optimization): New.
        * config/crx/crx.h (OPTIMIZATION_OPTIONS): Remove.
        * config/frv/frv-protos.h (frv_optimization_options): Remove.
        * config/frv/frv.c (TARGET_OPTION_OPTIMIZATION): Define.
        (frv_optimization_options): Rename to frv_option_optimization.
        Make static.
        * config/frv/frv.h (OPTIMIZATION_OPTIONS): Remove.
        * config/h8300/h8300.c (h8300_option_optimization): New.
        (TARGET_OPTION_OPTIMIZATION): Define.
        * config/h8300/h8300.h (OPTIMIZATION_OPTIONS): Remove.
        * config/i386/i386-protos.h (optimization_options): Remove.
        * config/i386/i386.c (optimization_options): Rename to
        ix86_option_optimization.  Make static.
        (TARGET_OPTION_OPTIMIZATION): Define.
        * config/i386/i386.h (OPTIMIZATION_OPTIONS): Remove.
        * config/ia64/ia64-protos.h (ia64_optimization_options): Remove.
        * config/ia64/ia64.c (TARGET_OPTION_OPTIMIZATION): Define.
        (ia64_optimization_options): Rename to ia64_option_optimization.
        Make static.  Call SUBTARGET_OPTIMIZATION_OPTIONS.
        * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): Remove.  Remove
        commented-out definition.
        * config/ia64/vms.h (SUBTARGET_OPTIMIZATION_OPTIONS): Define
        instead of OPTIMIZATION_OPTIONS.
        * config/m32r/m32r.c (TARGET_OPTION_OPTIMIZATION): Define.
        (m32r_option_optimization): New.
        * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove.
        * config/m68hc11/m68hc11-protos.h (m68hc11_optimization_options):
        Remove.
        * config/mcore/mcore.c (TARGET_OPTION_OPTIMIZATION): Define.
        (mcore_option_optimization): New.
        * config/mcore/mcore.h (OPTIMIZATION_OPTIONS): Remove.
        * config/mep/mep-protos.h (mep_optimization_options): Remove.
        * config/mep/mep.c (TARGET_OPTION_OPTIMIZATION): Define.
        (mep_optimization_options): Rename to mep_option_optimization.
        Make static.  Take unused level and size parameters.
        * config/mep/mep.h (OPTIMIZATION_OPTIONS): Remove.
        * config/mmix/mmix.c (TARGET_OPTION_OPTIMIZATION): Define.
        (mmix_option_optimization): New.
        * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove.
        * config/pdp11/pdp11.c (TARGET_OPTION_OPTIMIZATION): Define.
        (pdp11_option_optimization): New.
        * config/pdp11/pdp11.h (OPTIMIZATION_OPTIONS): Remove.
        * config/rs6000/rs6000-protos.h (optimization_options): Remove.
        * config/rs6000/rs6000.c (TARGET_OPTION_OPTIMIZATION): Define.
        (optimization_options): Rename to rs6000_option_optimization.
        Make static.
        * config/rs6000/rs6000.h (OPTIMIZATION_OPTIONS): Remove.
        * config/rx/rx-protos.h (rx_set_optimization_options): Remove.
        * config/rx/rx.c (rx_set_optimization_options): Rename to
        rx_option_optimization.  Make static.  Take unused level and size
        parameters.
        (TARGET_OPTION_OPTIMIZATION): Define.
        * config/rx/rx.h (OPTIMIZATION_OPTIONS): Remove.
        * config/s390/s390-protos.h (optimization_options): Remove.
        * config/s390/s390.c (optimization_options): Rename to
        s390_option_optimization.  Make static.  Don't mark size parameter
        unused.
        (TARGET_OPTION_OPTIMIZATION): Define.
        * config/s390/s390.h (OPTIMIZATION_OPTIONS): Remove.
        * config/sh/sh-protos.h (sh_optimization_options): Remove.
        * config/sh/sh.c (TARGET_OPTION_OPTIMIZATION): Define.
        (sh_optimization_options): Rename to sh_option_optimization.  Make
        static.  Don't mark parameters unused.
        * config/sh/sh.h (OPTIMIZATION_OPTIONS): Remove.
        * config/spu/spu-protos.h (spu_optimization_options): Remove.
        * config/spu/spu.c (TARGET_OPTION_OPTIMIZATION): Define.
        (spu_optimization_options): Rename to spu_option_optimization.
        Make static.
        * config/spu/spu.h (OPTIMIZATION_OPTIONS): Remove.
        * config/v850/v850.c (TARGET_OPTION_OPTIMIZATION): Define.
        (v850_option_optimization): New.
        * config/v850/v850.h (OPTIMIZATION_OPTIONS): Remove.
        * config/xtensa/xtensa.c (TARGET_OPTION_OPTIMIZATION): Define.
        (xtensa_option_optimization): New.
        * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Remove.

2010-09-16  Joseph Myers  <joseph@codesourcery.com>

        * doc/tm.texi.in (OVERRIDE_OPTIONS): Remove documentation.
        (C_COMMON_OVERRIDE_OPTIONS): Don't refer to OVERRIDE_OPTIONS.
        * doc/tm.texi: Regenerate.
        * system.h (OVERRIDE_OPTIONS): Poison.
        * target.def (override): Default to hook_void_void.
        * targhooks.c (default_target_option_override): Remove.
        * genmodes.c, machmode.def: Update comments mentioning
        OVERRIDE_OPTIONS.
        * config/alpha/alpha-modes.def: Update comment mentioning
        alpha_override_options.
        * config/alpha/alpha-protos.h (override_options): Remove.
        * config/alpha/alpha.c (override_options): Rename to
        alpha_option_override.  Call SUBTARGET_OVERRIDE_OPTIONS.  Make static.
        (TARGET_OPTION_OVERRIDE): Define.
        * config/alpha/alpha.h (OVERRIDE_OPTIONS): Remove.
        * config/alpha/vms.h (SUBTARGET_OVERRIDE_OPTIONS): Define instead
        of OVERRIDE_OPTIONS.
        * config/arc/arc-protos.h (arc_init): Remove.
        * config/arc/arc.c (TARGET_OPTION_OVERRIDE): Define.
        (arc_init): Rename to arc_option_override.  Make static.
        * config/arc/arc.h (ARC_EXTENSION_CPU): Correct comment.
        (OVERRIDE_OPTIONS): Remove.
        * config/arm/arm-protos.h (arm_override_options): Remove.
        * config/arm/arm.c (TARGET_OPTION_OVERRIDE): Define.
        (arm_override_options): Rename to arm_option_override.  Make
        static.  Call SUBTARGET_OVERRIDE_OPTIONS.
        * config/arm/arm.h (OVERRIDE_OPTIONS): Remove.
        * config/arm/arm.md: Update comment referring to arm_override_options.
        * config/arm/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define
        instead of OVERRIDE_OPTIONS.
        * config/avr/avr-protos.h (avr_override_options): Remove.
        * config/avr/avr.c (TARGET_OPTION_OVERRIDE): Define.
        (avr_override_options): Rename to avr_option_override.  Make static.
        * config/avr/avr.h (OVERRIDE_OPTIONS): Remove.
        * config/bfin/bfin-protos.h (override_options): Remove (twice).
        * config/bfin/bfin.c (override_options): Rename to
        bfin_option_override.  Make static.
        (TARGET_OPTION_OVERRIDE): Define.
        * config/bfin/bfin.h (OVERRIDE_OPTIONS): Remove.
        * config/cris/cris-protos.h (cris_override_options): Remove.
        * config/cris/cris.c (TARGET_OPTION_OVERRIDE): Define.
        (cris_override_options): Rename to cris_option_override.  Make static.
        * config/cris/cris.h (OVERRIDE_OPTIONS): Remove.
        * config/frv/frv-protos.h (frv_override_options): Remove.
        * config/frv/frv.c (TARGET_OPTION_OVERRIDE): Define.
        (frv_override_options): Rename to frv_option_override.  Make static.
        * config/frv/frv.h (OVERRIDE_OPTIONS): Remove.
        * config/h8300/h8300-protos.h (h8300_init_once): Remove.
        * config/h8300/h8300.c (h8300_init_once): Rename to
        h8300_option_override.  Make static.
        (TARGET_OPTION_OVERRIDE): Define.
        * config/h8300/h8300.h (OVERRIDE_OPTIONS): Remove.
        * config/i386/i386-protos.h (override_options): Remove.
        * config/i386/i386.c (override_options): Rename to
        ix86_option_override_internal.  Make static.  Comments referring
        to this function and callers changed.
        (ix86_option_override): New.
        (TARGET_OPTION_OVERRIDE): Define.
        * config/i386/i386.h (OVERRIDE_OPTION): Remove.
        * config/i386/linux64.h (DEFAULT_PCC_STRUCT_RETURN): Update comment.
        * config/ia64/ia64.c (ia64_file_start): Update comment referring
        to ia64_override_options.
        * config/iq2000/iq2000-protos.h (override_options): Remove.
        * config/iq2000/iq2000.c (TARGET_OPTION_OVERRIDE): Define.
        (override_options): Rename to iq2000_option_override.  Make static.
        * config/iq2000/iq2000.h (OVERRIDE_OPTIONS): Remove.
        * config/lm32/lm32-protos.h (lm32_override_options): Remove.
        * config/lm32/lm32.c (TARGET_OPTION_OVERRIDE): Define.
        (lm32_override_options): Rename to lm32_option_override.  Make static.
        * config/lm32/lm32.h (OVERRIDE_OPTIONS): Remove.
        * config/m32r/m32r.c (TARGET_OPTION_OVERRIDE): Define.
        (m32r_option_override): New.
        (m32r_init): Update comment.
        * config/m32r/m32r.h (OVERRIDE_OPTIONS): Remove.
        * config/m68hc11/m68hc11-protos.h (m68hc11_override_options): Remove.
        * config/m68hc11/m68hc11.c (TARGET_OPTION_OVERRIDE): Define.
        (m68hc11_override_options): Rename to m68hc11_option_override.
        Make static.  Return void.
        * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove.
        * config/m68k/m68k-protos.h (override_options): Remove.
        * config/m68k/m68k.c (TARGET_OPTION_OVERRIDE): Define.
        (override_options): Rename to m68k_option_override.  Make static.
        * config/m68k/m68k.h (OVERRIDE_OPTIONS): Remove.
        * config/mcore/mcore-protos.h (mcore_override_options): Remove.
        * config/mcore/mcore.c (TARGET_OPTION_OVERRIDE): Define.
        (mcore_override_options): Rename to mcore_option_override.  Make
        static.
        * config/mcore/mcore.h (OVERRIDE_OPTIONS): Remove.
        * config/mep/mep-protos.h (mep_override_options): Remove.
        * config/mep/mep.c (TARGET_OPTION_OVERRIDE): Define.
        (mep_override_options): Rename to mep_option_override.  Make static.
        * config/mep/mep.h (OVERRIDE_OPTIONS): Remove.
        * config/mmix/mmix-protos.h (mmix_override_options): Remove.
        * config/mmix/mmix.c (TARGET_OPTION_OVERRIDE): Define.
        (mmix_override_options): Rename to mmix_option_override.  Make static.
        * config/mmix/mmix.h (OVERRIDE_OPTIONS): Remove.
        * config/mn10300/mn10300-protos.h (mn10300_override_options): Remove.
        * config/mn10300/mn10300.c (TARGET_OPTION_OVERRIDE): Define.
        (mn10300_override_options): Rename to mn10300_option_override.
        Make static.
        * config/mn10300/mn10300.h (OVERRIDE_OPTIONS): Remove.
        * config/moxie/moxie-protos.h (moxie_override_options): Remove.
        * config/moxie/moxie.c (moxie_override_options): Rename to
        moxie_option_override.  Make static.
        (TARGET_OPTION_OVERRIDE): Define.
        * config/moxie/moxie.h (OVERRIDE_OPTIONS): Remove.
        * config/picochip/picochip-protos.h (picochip_override_options):
        Remove.  Update comment referring to picochip_override_options.
        * config/picochip/picochip.c (TARGET_OPTION_OVERRIDE): Define.
        (picochip_override_options): Rename to picochip_option_override.
        Make static.  Update comment and definition of
        TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE.
        * config/picochip/picochip.h (OVERRIDE_OPTIONS): Remove.
        * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): Update comment.
        * config/rs6000/aix51.h (SUBTARGET_OVERRIDE_OPTIONS): Update comment.
        * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Update comment.
        * config/rs6000/aix53.h (SUBTARGET_OVERRIDE_OPTIONS): Update comment.
        * config/rs6000/aix61.h (SUBTARGET_OVERRIDE_OPTIONS): Update comment.
        * config/rs6000/linux64.h (OPTION_TARGET_CPU_DEFAULT): Define
        instead of OVERRIDE_OPTIONS.
        * config/rs6000/rs6000-modes.def: Update comment referring to
        rs6000_override_options.
        * config/rs6000/rs6000-protos.h (rs6000_override_options): Remove.
        * config/rs6000/rs6000.c (TARGET_OPTION_OVERRIDE): Define.
        (rs6000_override_options): Rename to
        rs6000_option_override_internal.  Make static.  Commented
        referring to rs6000_override_options and OVERRIDE_OPTIONS updated.
        (rs6000_option_override): New.
        * config/rs6000/rs6000.h (OPTION_TARGET_CPU_DEFAULT): Define
        instead of OVERRIDE_OPTIONS.
        * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Update comment.
        * config/s390/s390-protos.h (override_options): Remove.
        * config/s390/s390.c (override_options): Rename to
        s390_option_override.  Make static.
        (TARGET_OPTION_OVERRIDE): Define.
        * config/s390/s390.h (OVERRIDE_OPTIONS): Remove.
        * config/score/score-protos.h (score_override_options): Remove.
        * config/score/score.c (TARGET_OPTION_OVERRIDE): Define.
        (score_override_options): Rename to score_option_override.  Make
        static.
        * config/score/score.h (OVERRIDE_OPTIONS): Remove.
        Update comment referring to override_options.
        * config/score/score3.c (score3_override_options): Rename to
        score3_option_override.
        * config/score/score3.h (score3_override_options): Rename to
        score3_option_override.
        * config/score/score7.c (score7_override_options): Rename to
        score7_option_override.
        * config/score/score7.h (score7_override_options): Rename to
        score7_option_override.
        * config/sh/sh.c: Update comments referring to OVERRIDE_OPTIONS.
        * config/sparc/sparc.c (TARGET_OPTION_OVERRIDE): Define.
        (sparc_override_options): Rename to sparc_option_override.  Make
        static.  Call SUBTARGET_OVERRIDE_OPTIONS.
        * config/sparc/sparc.h (OVERRIDE_OPTIONS): Remove.
        * config/sparc/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define
        instead of OVERRIDE_OPTIONS.
        * config/spu/spu-protos.h (spu_override_options): Remove.
        * config/spu/spu.c (TARGET_OPTION_OVERRIDE): Define.
        (spu_override_options): Rename to spu_option_override.  Make
        static.
        * config/spu/spu.h (OVERRIDE_OPTIONS): Remove.
        * config/vax/elf.h (SUBTARGET_OVERRIDE_OPTIONS): Define instead of
        OVERRIDE_OPTIONS.
        * config/vax/vax-protos.h (override_options): Remove.
        * config/vax/vax.c (TARGET_OPTION_OVERRIDE): Define.
        (override_options): Rename to vax_option_override.  Make static.
        Call SUBTARGET_OVERRIDE_OPTIONS.
        * config/vax/vax.h (OVERRIDE_OPTIONS): Remove.
        * config/vxworks.c: Update comment referring to OVERRIDE_OPTIONS.
        * config/vxworks.h: Update comment referring to OVERRIDE_OPTIONS.
        * config/xtensa/xtensa-protos.h (override_options): Remove.
        * config/xtensa/xtensa.c (TARGET_OPTION_OVERRIDE): Define.
        (override_options): Rename to xtensa_option_override.  Make static.
        * config/xtensa/xtensa.h (OVERRIDE_OPTIONS): Remove.

2010-09-16  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/45623
        * tree-ssa-structalias.c (get_constraint_for_ptr_offset): Adjust.
        (get_constraint_for_component_ref): If computing a constraint
        for the rhs handle type punning through unions.
        (get_constraint_for_address_of): Adjust.
        (get_constraint_for_1): Likewise.
        (get_constraint_for): Likewise.
        (get_constraint_for_rhs): New function.
        (do_structure_copy): Adjust.
        (make_constraint_to): Likewise.
        (handle_const_call): Likewise.
        (find_func_aliases): Likewise.
        (process_ipa_clobber): Likewise.
        (create_variable_info_for): Likewise.

2010-09-16  Ira Rosen  <irar@il.ibm.com>

        * tree-vectorizer.c: Fix documentation.
        * tree-vectorizer.h (vinfo_for_stmt): Add documentation.
        (set_vinfo_for_stmt, get_earlier_stmt, get_later_stmt,
        is_pattern_stmt_p, is_loop_header_bb_p,
        stmt_vinfo_set_inside_of_loop_cost,
        stmt_vinfo_set_outside_of_loop_cost, vect_pow2, aligned_access_p,
        known_alignment_for_access_p): Likewise.
        * tree-vect-loop.c: Fix documentation.
        (vect_get_cost): Start function name from new line.
        * tree-vect-data-refs.c: Fix documentation.
        * tree-vect_stmts.c: Likewise.
        (vect_create_vectorized_promotion_stmts): Always free vec_tmp.
        (vectorizable_store): Free vec_oprnds if allocated.
        (vectorizable_condition): Initialize several variables to avoid
        warnings.
        * tree-vect-slp.c: Fix documentation.

2010-09-16  Richard Guenther  <rguenther@suse.de>

        * tree.c (tree_node_structure_for_code): TRANSLATION_UNIT_DECL
        is TS_TRANSLATION_UNIT_DECL.
        (initialize_tree_contains_struct): Adjust.
        (all_translation_units): New global vector.
        (build_translation_unit_decl): New function.
        * tree.h (TRANSLATION_UNIT_LANGUAGE): New macro.
        (struct tree_translation_unit_decl): New.
        (all_translation_units): Declare.
        (union tree_node): Add translation_unit_decl member.
        (build_translation_unit_decl): Declare.
        * treestruct.def (TS_TRANSLATION_UNIT_DECL): New.
        * lto-streamer-out.c (pack_ts_translation_unit_decl_value_fields):
        New function.
        (pack_value_fields): Call it.
        (lto_output_tree_ref): Handle references to TRANSLATION_UNIT_DECL.
        (lto_output_ts_translation_unit_decl_tree_pointers): New function.
        (lto_output_tree_pointers): Call it.
        * lto-streamer-in.c (lto_input_tree_ref): Handle references
        to TRANSLATION_UNIT_DECL.
        (unpack_ts_translation_unit_decl_value_fields): New function.
        (unpack_value_fields): Call it.
        (lto_input_ts_translation_unit_decl_tree_pointers): New function.
        (lto_input_tree_pointers): Call it.
        * lto-streamer.c (check_handled_ts_structures): Adjust.
        * lto-streamer.h (enum LTO_tags): Add LTO_translation_unit_decl_ref.
        * c-decl.c (all_translation_units): Remove.
        (pop_scope): Use build_translation_unit_decl.
        (collect_all_refs): Adjust.
        (for_each_global_decl): Likewise.
        (c_write_global_declarations): Likewise.

2010-09-16  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/45686
        * fold-const.c (fold_checksum_tree): Change slot from const void **
        to void **, use CONST_CAST_TREE to store into *slot.

2010-09-16  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md: Remove unneeded empty conditions and
        preparation statements from expanders.
        * config/i386/mmx.md: Ditto.
        * config/i386/sse.md: Ditto.

2010-09-16  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.h (PUSH_ROUNDING): Redefine using UNITS_PER_WORD.

2010-09-15  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/45593
        * reorg.c (relax_delay_slots): Use emit_copy_of_insn_after to re-emit
        insns that were in delay slots as stand-alone insns.

2010-09-15  Ian Lance Taylor  <iant@google.com>

        * incpath.c (remove_duplicates): If name is not a directory, issue
        a warning rather than an error.

2010-09-15  Martin Jambor  <mjambor@suse.cz>

        PR middle-end/45644
        * tree-sra.c (create_access): Check for bit-fields directly.

2010-09-15  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/45633
        * tree-cfg.c (verify_gimple_assign_binary): Allow
        MINUS_EXPR with lhs and rhs1 pointer vector and
        rhs2 sizetype vector.
        * expr.c (expand_expr_real_2) <case PLUS_EXPR>: For pointer
        or vector pointer use TER to optimize pointer subtraction.

2010-09-15  Jie Zhang  <jie@codesourcery.com>

        * config/arm/vfp.md (cmpsf_trap_vfp): Change type from
        fcmpd to fcmps.

2010-09-15  Ian Lance Taylor  <iant@google.com>

        * config/i386/i386.md (truncxf<mode>2): Fix indentation.

2010-09-15  Ian Lance Taylor  <iant@google.com>

        * function.c (get_arg_pointer_save_area): Set
        arg_pointer_save_area_init to true.

2010-09-15  Martin Jambor  <mjambor@suse.cz>

        * tree-sra.c (generate_subtree_copies): Updated comment.
        (handle_unscalarized_data_in_subtree): Removed parameter lhs which is
        obtained from the statement iterator instead.
        (load_assign_lhs_subreplacements): Removed parameters lhs and
        right_offset, which is obtained from top_racc instead.  Parameter lacc
        is now expected to be the root of the processed tree rather than root's
        first child.  Updated all callers.

2010-09-15  Joseph Myers  <joseph@codesourcery.com>

        * config/pdp11/pdp11.c (register_move_cost): Rename to
        pdp11_register_move_cost.
        * config/pdp11/pdp11-protos.h (register_move_cost): Rename to
        pdp11_register_move_cost.
        * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Call
        pdp11_register_move_cost instead of register_move_cost.

2010-09-15  Tejas Belagod  <tejas.belagod@arm.com>

        * config/arm/neon.md (vec_pack_trunc_<mode>): Instruction
        pattern for vmovn. Expansion in case of non
        -mvectorize-with-neon-quad.
        (neon_vec_pack_trunc_<mode>): Instruction pattern for vmovn for
        non- -mvectorize-with-neon-quad case.
        (move_lo_quad_<mode>): New expansion to vmov into low part.
        (move_hi_quad_<mode>): New expansion to vmov into high part.
        (move_lo_quad_v4si): Refactor to move_lo_quad_<mode> expansion.
        (move_lo_quad_v4sf): Likewise.
        (move_lo_quad_v8hi): Likewise.
        (neon_move_lo_quad_<mode>): Instruction pattern for vmov into
        low part.
        (neon_move_hi_quad_<mode>): Instruction pattern for vmov into
        high part.
        * config/arm/iterators.md (ANY128): New mode iterator.
        (V_narrow_pack): New mode attribute.
        (V_HALF): Add attribute.
        (V_DOUBLE): Add attribute.
        (V_mode_nunits): Add attribute.

2010-09-15  Eric Botcazou  <ebotcazou@adacore.com>

        * config/alpha/alpha.c (alpha_expand_prologue): If stack checking
        is enabled, probe up to frame_size + STACK_CHECK_PROTECT bytes.

2010-09-15  Olivier Hainque  <hainque@adacore.com>
            Jose Ruiz  <ruiz@adacore.com>

        * config/alpha/osf5.h (MD_UNWIND_SUPPORT): Define.
        * config/alpha/osf5-unwind.h: New file.

2010-09-14  H.J. Lu  <hongjiu.lu@intel.com>

        PR bootstrap/45672
        * config/mips/mips.c (mips_units_per_simd_word): Correct return type.
        * config/rs6000/rs6000.c (rs6000_units_per_simd_word): Likewise.
        * config/sparc/sparc.c (sparc_units_per_simd_word): Likewise.

2010-09-15  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

        * c-lang.h (struct lang_type): Add variable_size GTY option.

2010-09-14  H.J. Lu  <hongjiu.lu@intel.com>

        PR bootstrap/45672
        * config/rs6000/rs6000.c (TARGET_VECTORIZE_UNITS_PER_SIMD_WORD): New.

2010-09-14  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_lea_for_add_ok): Return false if
        result isn't used in memory address.

2010-09-14  H.J. Lu  <hongjiu.lu@intel.com>

        * defaults.h (UNITS_PER_SIMD_WORD): Removed.
        * config/arm/arm.h (UNITS_PER_SIMD_WORD): Likewise.
        * 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.

        * target.def: Add units_per_simd_word to vectorize.

        * targhooks.c (default_units_per_simd_word): New.
        * targhooks.h (default_units_per_simd_word): Likewise.
        * config/arm/arm.c (arm_units_per_simd_word): Likewise.
        (TARGET_VECTORIZE_UNITS_PER_SIMD_WORD): Likewise.
        * config/mips/mips.c (mips_units_per_simd_word): Likewise.
        (TARGET_VECTORIZE_UNITS_PER_SIMD_WORD): Likewise.
        * config/rs6000/rs6000.c (rs6000_units_per_simd_word): Likewise.
        (TARGET_VECTORIZE_UNITS_PER_SIMD_WORD): Likewise.
        * config/sparc/sparc.c (sparc_units_per_simd_word): Likewise.
        (TARGET_VECTORIZE_UNITS_PER_SIMD_WORD): Likewise.

        * tree-vect-loop.c: Replace UNITS_PER_SIMD_WORD with
        TARGET_VECTORIZE_UNITS_PER_SIMD_WORD in comments.

        * tree-vect-stmts.c: Don't include "tm_p.h".
        (get_vectype_for_scalar_type): Replace UNITS_PER_SIMD_WORD
        with targetm.vectorize.units_per_simd_word.

        * system.h (UNITS_PER_SIMD_WORD): Poisoned.

        * config/i386/i386-protos.h (ix86_units_per_simd_word): Removed.

        * config/i386/i386.c (ix86_units_per_simd_word): Make it static.
        (TARGET_VECTORIZE_UNITS_PER_SIMD_WORD): New.

        * doc/tm.texi.in: Remove UNITS_PER_SIMD_WORD.  Add
        TARGET_VECTORIZE_UNITS_PER_SIMD_WORD.

        * doc/tm.texi: Regenerated.

2010-09-14  H.J. Lu  <hongjiu.lu@intel.com>

        * tree-vect-stmts.c: Include "tm_p.h".

        * config/i386/i386-protos.h (ix86_units_per_simd_word): Moved
        out of RTX_CODE.

2010-09-14  Martin Jambor  <mjambor@suse.cz>

        * tree-sra.c (build_ref_for_offset): Loc made a parameter.  Set the
        location of generated statement.  Changed all callers.
        (build_ref_for_model): New parameter loc which used to set location of
        all generated expressions.  Changed all callers.
        (generate_subtree_copies): Likewise.
        (init_subtree_with_zero): Likewise.
        (sra_modify_expr): Set locations of all generated statements and
        expressions to the location the original statement.
        (handle_unscalarized_data_in_subtree): Likewise.
        (load_assign_lhs_subreplacements): Likewise.
        (sra_modify_constructor_assign): Likewise.
        (sra_modify_assign): Likewise.

2010-09-14  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/45277
        PR target/45363
        PR target/45407
        * doc/install.texi (sparc*-*-*): New section.
        (sparc-sun-solaris2*): Mention MPC alongside GMP and MPFR.

2010-09-14  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/45567
        * builtins.c (expand_builtin_interclass_mathfn, expand_builtin_cexpi,
        expand_builtin_powi): Remove subtarget argument, pass NULL_RTX instead.
        (expand_builtin): Adjust caller.
        (expand_builtin_unop): Only use subtarget if it has the right mode.

2010-09-14  Tristan Gingold  <gingold@adacore.com>

        * configure.ac (plugins): Fix typos.
        * configure: Regenerate.

2010-09-14  Jakub Jelinek  <jakub@redhat.com>

        PR debug/45660
        * dwarf2out.c (gen_decl_die): Call gen_type_die for origin before
        gen_type_die for function/method return type.

2010-09-14  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/45470
        * tree-vect-data-refs.c (vect_analyze_data_refs): Fail if a statement
        can throw an exception.
        * tree-vect-stmts.c (vectorizable_call): Likewise.

2010-09-14  DJ Delorie  <dj@redhat.com>

        PR target/44749
        * config/mep/mep-protos.h (mep_save_register_info,
        mep_reinit_regs, mep_init_regs): Declare.

        * config/mep/mep.c: Move all target definitions to the end of the
        file to avoid the need for duplicate declarations.
        (mep_save_register_info, mep_reinit_regs, mep_init_regs): New.
        (mep_reorg_erepeat): Remove unused variables.
        (mep_expand_builtin): Likewise.

        * config/mep/mep-pragma.c: Don't include rtl.h.
        (INVALID_REGNUM): New.
        (mep_pragma_coprocessor_which): Call mep-specific rtl-layer bridge
        functions.
        (mep_pragma_coprocessor_subclass): Rename "class" to "rclass".
        Avoid enum/integer math.

2010-09-13  Joseph Myers  <joseph@codesourcery.com>

        PR target/44749
        * config/mep/t-mep (GTM_H): Add insn-constants.h.
        * config/mep/mep.c (mep_conditional_register_usage): Take no
        parameters.
        * config/mep/mep-protos.h (mep_conditional_register_usage): Update
        prototype.
        * config/mep/mep-pragma.c (CONDITIONAL_REGISTER_USAGE): Update
        call to mep_conditional_register_usage.

2010-09-13  Eric Botcazou  <ebotcazou@adacore.com>

        PR debug/43937
        * varasm.c (output_constant_def_contents): Set TREE_ASM_WRITTEN on
        the DECL as well.

2010-09-13  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/45617
        * combine.c (simplify_comparison): Optimize (X >> N) {>,>=,<,<=} C
        even if low N bits of X aren't known to be zero.

2010-09-13  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386-protos.h (ix86_units_per_simd_word): New.

        * config/i386/i386.c (initial_ix86_tune_features): Add
        X86_TUNE_VECTORIZE_DOUBLE.
        (ix86_units_per_simd_word): New.

        * config/i386/i386.h (ix86_tune_indices): Add
        X86_TUNE_VECTORIZE_DOUBLE.
        (TARGET_VECTORIZE_DOUBLE): New.
        (UNITS_PER_SIMD_WORD): Defined with ix86_units_per_simd_word.

2010-09-13  Pat Haugen  <pthaugen@us.ibm.com>

        * tree-ssa-ter.c (temp_expr_table_d): Add call_cnt field.
        (new_temp_expr_table): Allocate call_cnt vector.
        (free_temp_expr_table): Free it.
        (process_replaceable): Add call_cnt parm and set in vector.
        (find_replaceable_in_bb): Skip replacement if def/use span a call.
        (debug_ter): Dump call_cnt value, remove stderr uses.

2010-09-13  Jan Hubicka  <jh@suse.cz>

        * tree.c (build_zero_cst): New.
        * tree.h (build_zero_cst): Declare.
        * tree-ssa-ccp.c (get_constant_value): Accept general operands.
        (get_base_constructor): Break out from ...
        (fold_const_aggregate_ref): Here; handle empty constructors.

2010-09-13  Marcus Shawcroft  <marcus.shawcroft@arm.com>

        * config/arm/arm.md: (define_attr "conds"): Update comment.
        * config/arm/sync.md (arm_sync_compare_and_swapsi): Change
        conds attribute to clob.
        (arm_sync_compare_and_swapsi): Likewise.
        (arm_sync_compare_and_swap<mode>): Likewise.
        (arm_sync_lock_test_and_setsi): Likewise.
        (arm_sync_lock_test_and_set<mode>): Likewise.
        (arm_sync_new_<sync_optab>si): Likewise.
        (arm_sync_new_nandsi): Likewise.
        (arm_sync_new_<sync_optab><mode>): Likewise.
        (arm_sync_new_nand<mode>): Likewise.
        (arm_sync_old_<sync_optab>si): Likewise.
        (arm_sync_old_nandsi): Likewise.
        (arm_sync_old_<sync_optab><mode>): Likewise.
        (arm_sync_old_nand<mode>): Likewise.

2010-09-13  Olivier Hainque  <hainque@adacore.com>

        * fwprop.c (forward_propagate_and_simplify): Only attach a
        REG_EQUAL note to an insn if the destination is a register.
        * gcse.c (try_replace_reg): Likewise.

2010-09-13  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/45611
        * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Fix typo.
        (copy_ref_info): Likewise.

2010-09-13  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/45604
        PR debug/45419
        PR debug/45408
        * tree-pretty-print.c (dump_generic_node): Disregard top-level
        types of MEM_REF pointer types to the same type.

2010-09-13  Hans-Peter Nilsson  <hp@axis.com>

        PR rtl-optimization/41087
        * ifcvt.c (noce_get_condition): Don't allow conditions with
        side-effects.

2010-09-12  Anatoly Sokolov  <aesok@post.ru>

        * config/frv/frv.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
        * config/frv/frv-protos.h (frv_register_move_cost): Remove.
        * config/frv/frv.c (frv_register_move_cost): Make static. Change
        arguments type to reg_class_t. Add mode argument.
        (frv_memory_move_cost): New.
        (TARGET_REGISTER_MOVE_COSTS, TARGET_MEMORY_MOVE_COSTS): Define.

2010-09-12  Bernd Schmidt  <bernds@codesourcery.com>

        * config/arm/arm.md (arm_ashldi3_1bit, arm_ashrdi3_1bit,
        arm_lshrdi3_1bit): Put earlyclobber on the right alternative.

2010-09-10  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-ccp.c (fold_const_aggregate_ref): Do not check STATIC flag.

2010-09-10  Richard Guenther  <rguenther@suse.de>

        * tree.c (make_vector_type): Do not set TYPE_DEBUG_REPRESENTATION_TYPE.
        * tree.h (TYPE_DEBUG_REPRESENTATION_TYPE): Remove.
        * lto-streamer-out.c (lto_output_ts_type_tree_pointers): Do
        not stream TYPE_DEBUG_REPRESENTATION_TYPE.
        * lto-streamer-in.c (lto_input_ts_type_tree_pointers): Likewise.

2010-09-10  Richard Guenther  <rguenther@suse.de>

        * dwarf2out.c (gen_array_type_die): Output DW_TAG_subrange_type
        for VECTOR_TYPEs using TYPE_VECTOR_SUBPARTS.
        * dbxout.c (dbxout_type): Manually deal with VECTOR_TYPE
        using TYPE_VECTOR_SUBPARTS, not TYPE_DEBUG_REPRESENTATION_TYPE.

2010-09-10  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/45634
        * tree-ssa-ccp.c (fold_const_aggregate_ref): Check that result
        of string folding is of integral type.

2010-09-10  Ryan Mansfield  <rmansfield@qnx.com>

        * doc/invoke.texi (-x): Fix typo.

2010-09-10  Richard Guenther  <rguenther@suse.de>

        PR debug/44115
        * tree.c (free_lang_data_in_decl): Do not clear DECL_DEBUG_EXPR.
        * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
        Output DECL_DEBUG_EXPR.
        * lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
        Input DECL_DEBUG_EXPR.

2010-09-10  Richard Guenther  <rguenther@suse.de>

        * tree.c (type_hash_eq): For ARRAY_TYPEs also compare TYPE_SIZE.
        (build_index_type): Implement in terms of build_range_type.
        (build_range_type): Do not allow NULL_TREE type, improve
        hashing to cover more cases.  Set TYPE_STRUCTURAL_EQUALITY_P
        if we didn't hash.
        * c-decl.c (grokdeclarator): When modifying TYPE_SIZE manually
        create a distinct copy of the type.

2010-09-10  Kai Tietz  <kai.tietz@onevision.com>

        * configure: Regenerated.
        * config.gcc: Add for x86_64 and i?86 mingw t-dfprule.

2010-09-10  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/neon-schedgen.ml (allCores): Add support for Cortex-A9.
        * config/arm/cortex-a9-neon.md: New and partially generated.
        * config/arm/cortex-a9.md (cortex_a9_dp): Adjust for Neon.

2010-09-10  Richard Guenther  <rguenther@suse.de>

        * tree.h (build_index_2_type): Remove.
        * tree.c (build_index_2_type): Remove.

2010-09-10  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/45630
        * dwarf2out.c (get_ref_die_offset_label): Use %ld instead of
        HOST_WIDE_INT_PRINT_DEC to print ref->die_offset.
        (implicit_ptr_descriptor): Return NULL if dwarf_strict.

2010-09-10  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/44972
        * tree-sra.c: Include toplev.h.
        (build_ref_for_offset): Entirely reimplemented.
        (build_ref_for_model): New function.
        (build_user_friendly_ref_for_offset): New function.
        (analyze_access_subtree): Removed build_ref_for_offset check.
        (propagate_subaccesses_across_link): Likewise.
        (create_artificial_child_access): Use
        build_user_friendly_ref_for_offset.
        (propagate_subaccesses_across_link): Likewise.
        (ref_expr_for_all_replacements_p): Removed.
        (generate_subtree_copies): Updated comment.  Use build_ref_for_model.
        (sra_modify_expr): Use build_ref_for_model.
        (load_assign_lhs_subreplacements): Likewise.
        (sra_modify_assign): Removed ref_expr_for_all_replacements_p checks,
        checks for return values of build_ref_for_offset.
        * ipa-cp.c (ipcp_lattice_from_jfunc): No need to check return value of
        build_ref_for_offset.
        * ipa-prop.h: Include gimple.h
        * ipa-prop.c (ipa_compute_jump_functions): Update to look for MEM_REFs.
        (ipa_analyze_indirect_call_uses): Update comment.
        * Makefile.in (tree-sra.o): Add $(GIMPLE_H) to dependencies.
        (IPA_PROP_H): Likewise.

2010-09-10  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/44972
        * ipa-prop.c (ipa_modify_call_arguments): Build MEM_REF instead of
        calling build_ref_for_offset.

2010-09-09  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/bpabi.h (BE8_LINK_SPEC): Handle Cortex-a15.
        * config/arm/arm-cores.def (cortex-a15): New core. Treat it as a v7-a.
        * config/arm/arm-tune.md: Regenerate.
        * doc/invoke.texi (ARM Options): Document it.

2010-09-09  Reza Yazdani  <reza.yazdani@amd.com>

        * config/i386/i386.c: Include sched-int.h.
        (TARGET_SCHED_DISPATCH): Defined.
        (TARGET_SCHED_DISPATCH_DO): Defined.
        (DISPATCH_WINDOW_SIZE): Defined.
        (MAX_DISPATCH_WINDOWS): Defined.
        (MAX_INSN): Defined.
        (MAX_IMM): Defined.
        (MAX_IMM_SIZE): Defined.
        (MAX_IMM_32): Defined.
        (MAX_IMM_64): Defined.
        (MAX_LOAD): Defined.
        (MAX_STORE): Defined.
        (BIG): Defined.
        (dispatch_group): New.
        (num_allowable_groups): New.
        (group_name): New.
        (sched_insn_info_s): New.
        (dispatch_windows_s): New.
        (imm_info_s): New.
        (dispatch_window_list): New.
        (dispatch_window_list1): New.
        (get_mem_group): New.
        (is_cmp): New.
        (dispatch_violation): New.
        (is_branch): New.
        (is_prefetch): New.
        (init_window): New.
        (allocate_window): New.
        (init_dispatch_sched): New.
        (is_end_basic_block): New.
        (process_end_window): New.
        (allocate_next_window): New.
        (find_constant_1): New.
        (find_constant): New.
        (get_num_immediates): New.
        (has_immediate): New.
        (get_insn_path): New.
        (get_insn_group): New.
        (count_num_restricted): New.
        (fits_dispatch_window): New.
        (add_insn_window): New.
        (add_to_dispatch_window): New.
        (debug_dispatch_window_file): New.
        (debug_dispatch_window): New.
        (debug_insn_dispatch_info_file): New.
        (debug_ready_dispatch): New.
        (do_dispatch): New.
        (has_dispatch): New.
        * config/i386/i386.h (debug_ready_dispatch): Declared.
        (debug_dispatch_window): Declared.
        * config/i386/i386.opt (mdispatch-scheduler): New flag.
        * doc/tm.texi.in (TARGET_SCHED_DISPATCH): New.
        (TARGET_SCHED_DISPATCH_DO): New.
        * doc/tm.texi: Regererated.
        * haifa-sched.c (choose_ready): Call targetm.sched.dispatch and
        ready_remove_first_dispatch
        (schedule_block): Call targetm.sched.dispatch and
        targetm.sched.dispatch_do.
        (sched_init): Call targetm.sched.dispatch and
        targetm.sched.dispatch_do.
        (ready_remove_first_dispatch): New.
        (number_in_ready): New.
        (get_ready_element): New.
        * hooks.c (hook_bool_rtx_int_false): New.
        (hook_void_rtx_int): New.
        * hooks.h (hook_bool_rtx_int_false): Declared.
        (hook_void_rtx_int): Declared.
        * sched-int.h (IS_DISPATCH_ON): Defined.
        (IS_CMP): Defined.
        (DISPATCH_VIOLATION): Defined.
        (FITS_DISPATCH_WINDOW): Defined.
        (DISPATCH_INIT): Defined.
        (ADD_TO_DISPATCH_WINDOW): Defined.
        (get_ready_element): Declared.
        (number_in_ready): Declared.
        * target.def (dispatch): Defined.
        (dispatch_do): Defined.

2010-09-09  Vladimir Makarov  <vmakarov@redhat.com>

        PR middle-end/45312
        * reload1.c (merge_assigned_reloads): Remove.
        (reload_as_needed): Don't call it.

2010-09-09  Anatoly Sokolov  <aesok@post.ru>

        * config/m32r/m32r.c (m32r_mode_dependent_address_p): New functions.
        (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
        * config/m32r/m32r.h: (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.

2010-09-09  Matthias Klose  <doko@ubuntu.com>

        PR bootstrap/43847
        * configure.ac (--enable-plugin): Enhance for cross builds.
        * configure: Regenerate.

2010-09-09  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/45598
        * tree-ssa-ccp.c (fold_const_aggregate_ref): Check that result of
        string folding is of integral type.

2010-09-09  Nathan Sidwell  <nathan@codesourcery.com>

        * configure.ac (gnu_indirect_function): New test.
        * configure: Rebuilt.
        * config.in (HAVE_GAS_INDIRECT_FUNCTION): New.
        * defaults.h (IFUNC_ASM_TYPE): Provide default.

        * doc/extend.texi (Function Attributes): Document ifunc.
        * varasm.c (do_assemble_alias): Deal with ifuncs too.

2010-09-09  Hariharan Sandanagobalane  <hariharan@picochip.com>

        * config/picochip/picochip.c (picochip_reorg): Check for note_p for
        epilogue instruction move.

2010-09-09  Jan Hubicka  <jh@suse.cz>

        * collect2.c (maybe_run_lto_and_relink): Rewrite code producing ld
        command line to allow more partitions than input files.

2010-09-09  Vladimir Makarov  <vmakarov@redhat.com>

        PR middle-end/44554
        * ira.c (ira): Switch off sharing spill slots if setjmp is called.

2010-09-09  Vladimir Makarov  <vmakarov@redhat.com>

        PR middle-end/40386
        * ira.c (pseudo_for_reload_consideration_p): Don't use
        flag_ira_share_spill_slots.

2010-09-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/s390/s390.c (legitimate_reload_constant_p): Accept floating-
        point zero operands that fit into a single GPR.
        (s390_preferred_reload_class): Ensure we only return general-purpose
        register classes.
        * config/s390/s390.md ("*mov<mode>_64dfp"): Use lghi to load
        floating-point zero operands into GPRs.
        ("*mov<mode>_64"): Likewise.
        ("mov<mode>"): Likewise using lhi.

2010-09-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/s390/s390.c (s390_symref_operand_p): Return false for
        literal pool references.
        (s390_check_qrst_address): Update caller.

2010-09-09  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/predicates.md (ext_register_operand): Check that
        SUBREG_REG is really a register before looking for REGNO.
        (reg_not_xmm0_operand): Handle SUBREGs correctly.
        (nonimm_not_xmm0_operand): Call reg_not_xmm0_operand.

2010-09-09  Jakub Jelinek  <jakub@redhat.com>

        * rtl.def (DEBUG_IMPLICIT_PTR): New rtl code.
        * rtl.h (DEBUG_IMPLICIT_PTR_DECL): Define.
        * rtl.c (rtx_equal_p_cb, rtx_equal_p): Handle DEBUG_IMPLICIT_PTR.
        * print-rtl.c (print_rtx): Likewise.
        * cselib.c (rtx_equal_for_cselib_p, cselib_hash_rtx): Likewise.
        * cfgexpand.c (expand_debug_expr): Generate DEBUG_IMPLICIT_PTR
        for ADDR_EXPR with non-addressable object.
        * dwarf2out.c (enum dw_val_class): Add dw_val_class_decl_ref.
        (struct dw_val_struct): Add v.val_decl_ref.
        (dwarf_stack_op_name, output_loc_operands, output_loc_operands_raw):
        Handle DW_OP_GNU_implicit_pointer.
        (size_of_loc_descr): Likewise.  Fix up DW_OP_call_ref size.
        (get_ref_die_offset_label): New function.
        (implicit_ptr_descriptor): New function.
        (mem_loc_descriptor): Handle DEBUG_IMPLICIT_PTR.
        (loc_descriptor): Likewise.
        (gen_variable_die): Put even definitions into decl_die_table.
        (resolve_addr_in_expr): Resolve still unresolved
        DW_OP_GNU_implicit_pointer operands, if it can't be resolved
        return false.
        (dwarf2out_finish): Call output_location_lists after outputting
        .debug_info and .debug_abbrev instead of before.

2010-09-09  Roland McGrath  <roland@redhat.com>

        * dwarf2out.c (DWARF_REF_SIZE): Define.
        (size_of_loc_descr): Use it for DW_OP_call_ref.

2010-09-09  Alan Modra  <amodra@gmail.com>

        * doc/invoke.text: Reinstate mcmodel=medium.
        * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
        CMODEL_MEDIUM as default.
        * config/rs6000/rs6000.h (enum rs6000_cmodel): Add CMODEL_MEDIUM.
        * config/rs6000/rs6000.c (rs6000_handle_option): Add mcmodel=medium.
        (toc_relative_ok, offsettable_ok_by_alignment): New functions.
        (rs6000_emit_move): Reinstate mcmodel=medium optimization.

2010-09-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/45250
        * config/pa/pa.md (nonlocal_goto): Restore hard frame pointer using
        hard_frame_pointer_rtx instead of virtual_stack_vars_rtx.
        (builtin_longjmp): Likewise.
        (allocate_stack): Use hard_frame_pointer_rtx instead of
        frame_pointer_rtx.
        * config/pa/pa-protos.h (pa_initial_elimination_offset): Declare.
        * config/pa/pa.c (pa_internal_arg_pointer): Declare.
        (pa_can_eliminate): Likewise.
        (TARGET_INTERNAL_ARG_POINTER): Define.
        (TARGET_CAN_ELIMINATE): Define.
        (hppa_expand_prologue): Use hard frame pointer instead of soft frame
        pointer.
        (hppa_expand_epilogue, pa_eh_return_handler_rtx): Likewise.
        (pa_internal_arg_pointer, pa_can_eliminate,
        pa_initial_elimination_offset): New.
        * config/pa/pa.h (FRAME_POINTER_REGNUM): Set to new general register.
        (HARD_FRAME_POINTER_REGNUM): Set to register three.
        (INITIAL_FRAME_POINTER_OFFSET): Delete.
        (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET, DWARF_FRAME_REGISTERS):
        Define.
        (DWARF_ALT_FRAME_RETURN_COLUMN, REGNO_OK_FOR_INDEX_P,
        REGNO_OK_FOR_BASE_P): Update to include soft frame pointer.
        * config/pa/pa32-regs.h (FIRST_PSEUDO_REGISTER): Increase by one.
        (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ORDER,
        REG_CLASS_CONTENTS, REGNO_REG_CLASS, REGISTER_NAMES): Update to include
        new soft frame pointer.
        * config/pa/pa64-regs.h: Likewise.

2010-09-08  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.h (EH_RETURN_DATA_REGNO) Use DX_REG instead of
        numerical constant.
        (EH_RETURN_STACKADJ_RTX): Use CX_REG insted of numerical constant.

2010-09-08  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/45531
        * cfglayout.c (fixup_reorder_chain): Skip debug insns.

2010-09-08  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/45419
        PR debug/45408
        * tree-pretty-print.c (dump_generic_node): Disregard top-level
        qualifiers in otherwise equal MEM_REF pointer types.
        * fold-const.c (operand_equal_p): Compare pointer type of MEM_REFs.
        * tree.c (iterative_hash_expr): Hash the pointer type of MEM_REFs.

2010-09-08  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        PR target/44392
        * config/arm/arm.md (bswapsi2): Handle condition correctly
        for armv6 and optimize_size.

2010-09-08  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR other/18555
        * doc/cppopts.texi (-isysroot): Document Darwin behaviour.

2010-09-08  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386-protos.h (ix86_can_use_return_insn_p,
        symbolic_reference_mentioned_p, ix86_expand_movmem, ix86_expand_setmem,
        ix86_expand_strlen, legitimate_pic_address_disp_p,
        ix86_binary_operator_ok, ix86_unary_operator_ok, ix86_match_ccmode,
        ix86_expand_int_movcc, ix86_expand_fp_movcc, ix86_expand_int_addcc,
        ix86_check_movabs, ix86_secondary_memory_needed): Change function
        prototype to bool.
        * config/i386/i386.c (return_in_memory_32, return_in_memory_64,
        return_in_memory_ms_64, ix86_check_movabs,
        symbolic_reference_mentioned_p, ix86_can_use_return_insn_p,
        legitimate_pic_address_disp_p, ix86_binary_operator_ok,
        ix86_unary_operator_ok, ix86_match_ccmode, ix86_expand_int_movcc,
        ix86_expand_fp_movcc, ix86_expand_int_addcc, ix86_expand_movmem,
        ix86_expand_setmem, ix86_expand_strlen, inline_secondary_memory_needed,
        ix86_secondary_memory_needed): Change to bool.  Return
        "true" and "false" values.
        * config/i386/i386.md: Return "true" and "false" values.

2010-09-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/sourcebuild.texi (Effective-Target Keywords): Document
        run_expensive_tests.

2010-09-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * toplev.c (output_stack_usage): Use lbasename instead of basename.

2010-09-08  Martin Jambor  <mjambor@suse.cz>

        PR other/45443
        * doc/invoke.texi: Add -fipa-cp-clone to list of switches turned on
        at -O3.

2010-09-08  Richard Guenther  <rguenther@suse.de>

        * gimple.c (gimple_types, type_hash_cache): Move to GC memory.
        (visit): Adjust.
        (iterative_hash_gimple_type): Likewise.
        (gimple_type_hash): Likewise.
        (gimple_register_type): Likewise.
        (print_gimple_types_stats): Likewise.
        (free_gimple_type_tables): Likewise.

2010-09-08  Michael Matz  <matz@suse.de>

        PR tree-optimization/43430
        * tree-vect-stmts.c (vectorizable_condition): Support multiple
        copies for conditional statements if it's not part of a reduction.

2010-09-08  Michael Matz  <matz@suse.de>

        PR tree-optimization/33244
        * tree-ssa-sink.c (statement_sink_location): Don't sink into
        empty loop latches.

2010-09-08  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/45578
        * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr):
        Be more careful when transfering alignment information to
        the new induction variable.
        (copy_ref_info): Likewise.

2010-09-08  Richard Guenther  <rguenther@suse.de>

        * tree.h (TYPE_ORIG_SIZE_TYPE): Remove.
        * c-typeck.c (comptypes_internal): Remove TYPE_ORIG_SIZE_TYPE checks.

2010-09-08  Arnaud Charlet  <charlet@adacore.com>

        * c-tree.h, c-decl.c (build_enumerator): Add location parameter.
        * c-parser.c (c_parser_enum_specifier): Adjust call to build_enumerator.

2010-09-08  Kenneth Zadeck  <zadeck@naturalbridge.com>

        PR doc/45587
        * doc/md.texi: Fixed modes on several standard pattern names.

2010-09-08  Mingjie Xing  <mingjie.xing@gmail.com>

        * config/mips/loongson.md (loongson_psll<V_suffix>): Rename to...
        (ashl<mode>3): ...this.
        (loongson_psra<V_suffix>): Rename to...
        (ashr<mode>3): ...this.
        (loongson_psrl<V_suffix>): Rename to...
        (lshr<mode>3): ...this.
        * config/mips/mips.c (CODE_FOR_loongson_psllh): Define.
        (CODE_FOR_loongson_psllw): Define.
        (CODE_FOR_loongson_psrlh): Define.
        (CODE_FOR_loongson_psrlw): Define.
        (CODE_FOR_loongson_psrah): Define.
        (CODE_FOR_loongson_psraw): Define.

2010-09-07  Richard Henderson  <rth@redhat.com>

        * tree-vect-data-refs.c: Include tm_p.h.
        * Makefile.in (tree-vect-data-refs.o): Update deps.
        * config/i386/i386-protos.h (ix86_cfun_abi, ix86_function_type_abi):
        Move delarations outside #ifdef RTX_CODE.

2010-09-07  Richard Henderson  <rth@redhat.com>

        * final.c (rest_of_handle_final): Unconditionally do
        output_function_exception_table before assemble_end_function.

2010-09-07  Jan Hubicka  <jh@suse.cz>

        * tree-inline.c (tree_inlinable_function_p): Do not test
        DECL_REPLACEABLE_P.
        * ipa-inline.c (cgraph_default_inline_p, update_caller_keys,
        update_callee_keys, cgraph_decide_inlining): Test function availability.
        * cif-code.def (OVERWRITABLE): New code.

2010-09-07  H.J. Lu  <hjl.tools@gmail.com>
            Jack Howarth  <howarth@bromo.med.uc.edu>

        PR target/36502
        PR target/42313
        PR target/44651
        * config/i386/darwin.h (STACK_BOUNDARY): Redefine as 128 for
        profiling or 64-bit MS_ABI and as BITS_PER_WORD otherwise.
        (PREFERRED_STACK_BOUNDARY): Replace STACK_BOUNDARY with 128 in
        MAX macro.

2010-09-07  H.J. Lu  <hongjiu.lu@intel.com>

        * unwind-dw2-fde-glibc.c: Include <elf.h> for DT_CONFIG.
        Include <link.h> only if USE_PT_GNU_EH_FRAME is defined.

2010-09-07  H.J. Lu  <hongjiu.lu@intel.com>

        * config.gcc: Don't append t-android for Android targets.

        * config/t-android: Removed.

2010-09-07  Richard Henderson  <rth@redhat.com>

        * target.def (TARGET_ASM_EMIT_EXCEPT_PERSONALITY): New hook.
        * doc/tm.texi.in: Add doc marker.
        * doc/tm.texi: Rebuild.
        * except.c (switch_to_exception_section): Always build.
        (output_one_function_exception_table): Move section switch,
        personality output, and label output ...
        (output_function_exception_table): ... here.  Use the new
        personality hook.

        * config/ia64/ia64.c (ia64_asm_emit_except_personality,
        ia64_asm_init_sections, TARGET_ASM_EMIT_EXCEPT_PERSONALITY,
        TARGET_ASM_INIT_SECTIONS): New.
        (ia64_asm_unwind_emit): Rename from process_for_unwind_directive,
        make static.
        (TARGET_ASM_UNWIND_EMIT): Update to match.
        * config/ia64/ia64-protos.h (process_for_unwind_directive): Remove.

        * config/arm/arm.c (arm_asm_emit_except_personality): New.
        (arm_asm_init_sections): New.
        (TARGET_ASM_EMIT_EXCEPT_PERSONALITY, TARGET_ASM_INIT_SECTIONS): New.

2010-09-07  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm.md: Remove unused variable.

2010-09-07  Anatoly Sokolov  <aesok@post.ru>

        * config/m32r/m32r.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
        * config/m32r/m32r.c (TARGET_MEMORY_MOVE_COSTS): Define.
        (m32r_memory_move_cost): New function.

2010-09-07  H.J. Lu  <hongjiu.lu@intel.com>

        * config.gcc: Append t-android for Android targets.

        * config/t-android: New.

2010-09-07  Richard Henderson  <rth@redhat.com>

        * target.def (unwind_emit_before_insn): New hook.
        * doc/tm.texi.in: Add @hook marker for it.
        * doc/tm.texi: Rebuild.
        * final.c (final_scan_insn): Respect unwind_emit_before_insn.

2010-09-07  Martin Jambor  <mjambor@suse.cz>

        PR fortran/43665
        * ipa-cp.c (ipcp_versionable_function_p): Return false if there
        are any type attributes.

2010-09-07  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-ccp.c (fold_const_aggregate_ref): Fix handling of
        array_ref_low_bound in string access folding.

2010-09-07  Uros Bizjak  <ubizjak@gmail.com>

        PR target/45206
        * config/i386/i386.c (ix86_expand_epilogue): Mark SP as valid after
        eh_return fixup sequence.

2010-09-07  Jan Hubicka  <jh@suse.cz>

        * gimple-fold.c (maybe_fold_reference): Verify that operand is
        gimple_min_invariant.

2010-09-07  Richard Guenther  <rguenther@suse.de>

        PR middle-end/45569
        * tree-eh.c (operation_could_trap_helper_p): Neither COMPLEX_EXPR
        nor CONSTRUCTOR can trap.
        * tree-complex.c (update_complex_assignment): Update EH info.

2010-09-07  Richard Guenther  <rguenther@suse.de>

        PR middle-end/45569
        * tree-cfg.c (build_gimple_cfg): Remove redundant stmt verification.
        * passes.c (execute_function_todo): Do not verify anything if
        we saw errors.

2010-09-07  Richard Guenther  <rguenther@suse.de>

        * tree-pretty-print.c (dump_generic_node): Dump void types as void.

2010-09-07  Bernd Schmidt  <bernds@codesourcery.com>

        PR target/43137
        * config/arm/iterators.md (qhs_zextenddi_cond, qhs_sextenddi_cond):
        New define_mode_attrs.
        * config/arm/arm.md (zero_extendsidi2, arm_zero_extendsidi2,
        arm_exxtendsidi2, arm_extendsidi2): Delete patterns.
        (zero_extend<mode>di2, extend<mode>di2 and related splits): New.
        (thumb1_zero_extendhisi2): Remove code to handle LABEL_REFs.
        Remove pool_range attribute.
        (arm_zero_extendhisi2, arm_zero_extendhisi2_v6, arm_zero_extendqisi2,
        arm_zero_extendqisi2_v6, thumb1_zero_extendqisi2_v6): Remove
        pool_range and neg_pool_range attributes.
        * config/arm/thumb2.md (thumb2_zero_extendsidi2,
        thumb2_zero_extendhidi2, thumb2_zero_extendqidi2, thumb2_extendsidi2,
        thumb2_extendhidi2, thumb2_extendqidi2): Delete.

2010-09-06  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/linux-unwind.h (x86_fallback_frame_state): Properly
        check glibc.

2010-09-06  Uros Bizjak  <ubizjak@gmail.com>

        PR target/22152
        * config/i386/mmx.md (*mov<mode>_internal_rex64,
        *mov<mode>_internal_avx, *mov<mode>_internal,
        *movv2sf_internal_rex64_avx, *movv2sf_internal_rex64,
        *movv2sf_internal_avx, *movv2sf_internal): Split out !y-!y alternative.

2010-09-06  Mark Mitchell  <mark@codesourcery.com>

        * c-typeck.c (do_warn_double_promotion): Remove.
        * doc/invoke.texi (-Wdouble-promotion): Note available for C++ and
        Objective-C++ too.

2010-09-06  Anatoly Sokolov  <aesok@post.ru>

        * config/frv/frv.h (CLASS_LIKELY_SPILLED_P): Remove.
        * config/frv/frv-protos.h (frv_class_likely_spilled_p): Remove.
        * config/frv/frv.c (frv_class_likely_spilled_p): Make static. Change
        argument type to reg_class_t. Change result type to bool.
        (TARGET_CLASS_LIKELY_SPILLED_P): Define.

2010-09-06  Nicola Pero  <nicola.pero@meta-innovation.com>

        PR libobjc/19850
        * gthr-posix.h (__gthread_objc_thread_detach): Use
        _objc_thread_attribs when detaching a thread.
        * gthr-posix95.h (__gthread_objc_thread_detach): Same change.

2010-09-06  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/45524
        * configure.ac (enable_decimal_float): Set to $default_decimal_float.
        * configure: Regenerated.

2010-09-06  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * combine.c (try_combine): Set subst_low_luid to i0.

2010-09-06  Richard Guenther  <rguenther@suse.de>

        * tree.def (MISALIGNED_INDIRECT_REF): Remove.
        * tree.h (INDIRECT_REF_P): Only check for INDIRECT_REF.
        (build_aligned_type): Declare.
        * tree.c (check_qualified_type): Also compare TYPE_ALIGN.
        (check_aligned_type): New function.
        (build_aligned_type): Likewise.
        * expr.c (expand_assignment): Handle misaligned stores via
        TARGET_MEM_REF and MEM_REF using movmisalign_optab.
        (expand_expr_real_1): Likewise.
        (safe_from_p): Remove MISALIGNED_INDIRECT_REF handling.
        * tree-vect-stmts.c (vectorizable_store): Do not build
        MISALIGNED_INDIRECT_REF but initialize alignment information.
        (vectorizable_load): Likewise.
        * builtins.c (get_object_alignment): Remove MISALIGNED_INDIRECT_REF
        handling.
        * cfgexpand.c (expand_debug_expr): Likewise.
        * dwarf2out.c (loc_list_from_tree): Likewise.
        * fold-const.c (maybe_lvalue_p): Likewise.
        (operand_equal_p): Likewise.
        (build_fold_addr_expr_with_type_loc): Likewise.
        * gimplify.c (gimplify_addr_expr): Likewise.
        (gimplify_expr): Likewise.
        * tree-cfg.c (verify_types_in_gimple_min_lval): Likewise.
        (verify_gimple_assign_single): Likewise.
        * tree-dump.c (dequeue_and_dump): Likewise.
        (tree_could_trap_p): Likewise.
        * tree-predcom.c (ref_at_iteration): Likewise.
        * tree-pretty-print.c (dump_generic_node): Likewise.
        (op_code_prio): Likewise.
        (op_symbol_code): Likewise.
        * tree-ssa-ccp.c (get_value_from_alignment): Likewise.
        * tree-ssa-loop-im.c (for_each_index): Likewise.
        (gen_lsm_tmp_name): Likewise.
        * tree-ssa-loop-ivopts.c (idx_find_step): Likewise.
        (find_interesting_uses_address): Likewise.
        * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise.
        * tree-ssa-operands.c (get_expr_operands): Likewise.
        * tree-ssa-pre.c (create_component_ref_by_pieces_1): Likewise.
        * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
        (ao_ref_init_from_vn_reference): Likewise.
        * tree.c (staticp): Likewise.
        (build1_stat): Likewise.
        (reference_alias_ptr_type): Likewise.
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
        * config/rs6000/rs6000.c (rs6000_check_sdmode): Remove
        MISALIGNED_INDIRECT_REF handling.

2010-09-06  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/45534
        * tree-ssa-address.c (create_mem_ref_raw): Add verify parameter.
        (create_mem_ref): Do verify the created TARGET_MEM_REF is valid
        on the target.
        (maybe_fold_tmr): Do not verify the created TARGET_MEM_REF is
        valid on the target.

2010-09-06  Andreas Schwab  <schwab@redhat.com>

        * configure.ac: Quote argument of AC_MSG_WARN.
        * configure: Regenerate.

2010-09-06  Alexander Monakov  <amonakov@ispras.ru>

        * sel-sched.c (move_cond_jump): Correct arguments to
        maybe_tidy_empty_bb.
        * sel-sched-ir.c (maybe_tidy_empty_bb): Export.

2010-09-06  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/44919
        * sel-sched.c (move_cond_jump): Remove assert, check that
        the several blocks case can only happen with mutually exclusive
        insns instead.  Rewrite the movement code to support moving through
        several basic blocks.

2010-09-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (iptrsize): New mode attribute.
        (tp_seg): Ditto.
        (*load_tp_<mode>): Macroize insn from *load_tp_{si,di} using P
        mode iterator.
        (*add_tp_<mode>): Ditto from *add_tp_{si,di}.
        (stack_protect_set_<mode>): Ditto from stack_protect_set_{si,di}.
        (stack_protect_test_<mode>): Ditto from stack_protect_test_{si,di}.
        (stack_tls_protect_set_<mode>): Ditto from
        stack_tls_protect_set_{si,di}.  Use %@ to output segment register
        of thread base pointer load.
        (stack_tls_protect_test_<mode>): Ditto from
        stack_tls_protect_test_{si,di}.  Use %@ to output segment register
        of thread base pointer load.
        (stack_protect_set): Rewrite using indirect functions.
        (stack_protect_test): Ditto.
        * config/i386/i386.c (ix86_print_operand_punct_valid): Add '@'.
        (ix86_print_operand): Handle '@'.

2010-09-05  Giuseppe Scrivano  <gscrivano@gnu.org>

        * tree-tailcall.c (process_assignment): Handle NEGATE_EXPR and
        MINUS_EXPR.

2010-09-05  Mark Mitchell  <mark@codesourcery.com>

        * doc/invoke.texi: Document -Wdouble-promotion.
        * c-typeck.c (convert_arguments): Check for implicit conversions
        from float to double.
        (do_warn_double_promotion): New function.
        (build_conditional_expr): Use it.
        (build_binary_op): Likewise.

2010-09-05  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/45535
        * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Properly
        handle TMR_INDEX2.  Make sure TMR_INDEX is not NULL before
        dereferencing it.
        (indirect_refs_may_alias_p): Likewise.

2010-09-05  Naveen H.S  <naveen.S@kpitcummins.com>

        * config/sh/sh.c (sh_option_override): Make static.
        Adjust comments.  Declare.
        (sh_function_value_regno_p): Likewise.
        (sh_register_move_cost): Modify the arguments, make static.
        Adjust comments.  Declare.
        (TARGET_OPTION_OVERRIDE, TARGET_REGISTER_MOVE_COST
        TARGET_FUNCTION_VALUE_REGNO_P): Define.
        * config/sh/sh.h (OVERRIDE_OPTIONS, FUNCTION_VALUE_REGNO_P
        REGISTER_MOVE_COST): Delete.
        * config/sh/sh-protos.h (sh_override_options): Delete.
        (sh_register_move_cost): Delete.
        (sh_function_value_regno_p): Delete.

2010-09-04  Anatoly Sokolov  <aesok@post.ru>

        * config/m32r/m32r.c (m32r_function_value, m32r_libcall_value,
        m32r_function_value_regno_p): New functions.
        (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
        TARGET_FUNCTION_VALUE_REGNO_P): Declare.
        * config/m32r/m32r.h: (FUNCTION_VALUE, LIBCALL_VALUE,
        FUNCTION_VALUE_REGNO_P): Remove.

2010-09-04  Jan Hubicka  <jh@suse.cz>

        * gimple-fold.c (maybe_fold_reference): Use fold_const_aggregate_ref.
        * tree-ssa-ccp.c (fold_const_aggregate_ref): Use
        fold_read_from_constant_string.

        * gimple.h (canonicalize_constructor_val): Declare.
        * gimple-fold.c (canonicalize_constructor_val): New function.
        (get_symbol_constant_value):Use it.
        * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.

2010-09-04  Jan Hubicka  <jh@suse.cz>

        * tree-switch-conversion.c (build_one_array): Set constructor to be
        static.
        * varpool.c (varpool_finalize_decl): Compute const_value_known.

2010-09-04  Richard Guenther  <rguenther@suse.de>

        PR bootstrap/45519
        * tree-flow.h (force_gimple_operand_1): Declare.
        (force_gimple_operand_gsi_1): Likewise.
        * gimplify.c (force_gimple_operand_1): New worker taking a
        gimple predicate for ...
        (force_gimple_operand): ... which now wraps it.
        (force_gimple_operand_gsi_1, force_gimple_operand_gsi): Likewise.
        * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Revert
        last change.
        * tree-ssa-address.c (gimplify_mem_ref_parts): Use
        force_gimple_operand_gsi_1 with is_gimple_mem_ref_addr.
        (create_mem_ref): Likewise.

2010-09-04  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/predicates.md (sse_reg_operand): New predicate.
        * config/i386/i386.md (TFmode push splitter): Use sse_reg_operand
        predicate for operand 1.
        (XFmode push splitter): Use fp_register_operand predicate
        for operand 1.
        (*dummy_extendsfdf2, *dummy_extendsfxf2): Remove disabled patterns.
        (SF-DF float_extend push splitter): Add reload_completed insn
        predicate.
        ({SF,DF}-XF float_extend_push splitter): Macroize splitter using
        MODEF mode macro.  Add reload_completed insn predicate.

2010-09-04  Paolo Bonzini  <bonzini@gnu.org>

        * df.h (enum df_ref_class): Remove DF_REF_EXTRACT.
        (struct df_extract_ref): Remove.
        (union df_ref_d): Remove extract_ref member.
        (df_ref_create): Remove last three arguments.
        (DF_REF_LOC): Remove DF_REF_EXTRACT case.
        * df-scan.c (df_ref_record): Remove last three arguments, do not
        pass them to df_ref_create_structure.
        (df_uses_record): Remove first and last three arguments.  Replace
        first argument with DF_REF_REGULAR, adjust calls to remove the
        width, offset and mode.  Always call recursively on the second
        and third argument of ZERO_EXTRACT and SIGN_EXTRACT.
        (df_ref_create_structure): Remove first argument.
        (struct df_scan_problem_data): Remove ref_extract_pool.
        (df_scan_free_internal): Do not free it.
        (df_scan_alloc): Do not allocate it.
        (df_ref_create): Remove last three arguments, do not pass them to
        df_ref_create_structure.
        (df_free_ref): Remove DF_REF_EXTRACT case.
        (df_notes_rescan): Adjust call to df_uses_record.
        (df_ref_equal_p, df_ref_compare, df_ref_create_structure):
        Remove DF_REF_EXTRACT case.
        (df_def_record_1): Do not special case class for a ZERO_EXTRACT lhs.
        Adjust calls to df_ref_record, using DF_REF_REGULAR for all REG
        and SUBREG definitions.
        (df_get_conditional_uses): Remove references to width/offset/mode,
        adjust call to df_ref_create_structure.
        (df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
        df_entry_block_defs_collect, df_exit_block_uses_collect): Adjust
        calls to df_uses_record and df_ref_record.
        * fwprop.c (update_df): Remove references to width/offset/mode,
        adjust call to df_ref_create.

2010-09-03  Jan Hubicka  <jh@suse.cz>

        * ipa.c (build_cdtor): Take VECtor as argument; fix array walk.
        (build_cdtor_fns): Update use of build_cdtor.

2010-09-03  Joseph Myers  <joseph@codesourcery.com>

        * doc/options.texi (SeparateAlias): Document.
        * opt-functions.awk (switch_flags): Handle SeparateAlias.
        * opth-gen.awk: Generate enumeration names for options marked
        SeparateAlias, but not for those marked Ignore.
        * opts-common.c (generate_canonical_option): Don't output separate
        argument for options marked CL_SEPARATE_ALIAS.
        (decode_cmdline_option): Handle CL_SEPARATE_ALIAS.
        * opts.h (CL_SEPARATE_ALIAS): New.
        (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_DRIVER, CL_TARGET,
        CL_COMMON): Adjust definitions.
        * config/i386/darwin.opt, config/mips/sde.opt: New.
        * common.opt (fdump-final-insns): New.
        * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
        i386/darwin.opt.
        (mips*-sde-elf*): Add mips/sde.opt.
        * config/mips/sde.h (DRIVER_SELF_SPECS): Don't handle
        -mno-data-in-code and -mcode-xonly here.
        * defaults.h (DEFAULT_SWITCH_TAKES_ARG): Add 'd'.
        * gcc.c (option_map): Add "j" to --dump entry.
        (translate_options): Don't translate -d to -foutput-class-dir= here.

2010-09-03  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-data-ref.c (dr_may_alias_p): Replace !DR_IS_READ with
        DR_IS_WRITE.
        (compute_all_dependences): Same.
        (create_rdg_edge_for_ddr): Same.
        * tree-data-ref.h (DR_IS_WRITE): New.
        (ddr_is_anti_dependent): Replace !DR_IS_READ with DR_IS_WRITE.
        * tree-if-conv.c (write_memrefs_written_at_least_once): Same.
        (write_memrefs_written_at_least_once): Same.
        * tree-predcom.c (suitable_component_p): Same.
        (determine_roots_comp): Same.
        (execute_load_motion): Same.
        * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): Same.
        (vect_enhance_data_refs_alignment): Same.
        (vect_analyze_group_access): Same.

2010-09-03  Joern Rennecke  <joern.rennecke@embecosm.com>

        PR testsuite/42843
        * Makefile.in (PLUGINCC): Define in terms of @CC@ / @CXX@
        (PLUGINCFLAGS): Define in terms of @CFLAGS@ / @CXXFLAGS@

2010-09-03  Marcin Baczynski  <marbacz@gmail.com>

        * dwarf2out.c (file scope): Remove #if0'd code.
        (gen_subprogram_die): Same.

2010-09-03  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/45484
        * dwarf2out.c (flush_queued_reg_saves): Rename to...
        (dwarf2out_flush_queued_reg_saves): ... this.  No longer static.
        (dwarf2out_frame_debug_expr, dwarf2out_frame_debug): Adjust callers.
        * dwarf2out.h (dwarf2out_flush_queued_reg_saves): New prototype.
        * config/i386/i386.c (output_set_got): Call it.

2010-09-03  Michael Matz  <matz@suse.de>

        PR middle-end/45415
        * tree-sra.c (sra_modify_assign): If we modify the statement,
        say so.

        * tree-ssa.c (verify_ssa): Check number of operands and links
        per statement to agree.

2010-09-03  Uros Bizjak  <ubizjak@gmail.com>
            Iain Sandoe  <iains@gcc.gnu.org>

        PR target/45476
        * config/i386/t-darwin (LIB2FUNCS_EXCLUDE): New.
        * config/i386/darwin.h (LIBGCC2_HAS_TF_MODE,
        LIBGCC2_TF_CEXT, TF_SIZE): New defines.

2010-09-03  Richard Guenther  <rguenther@suse.de>

        * lto-streamer-out.c (output_function): Output function
        start and end loci.
        * lto-streamer-in.c (input_function): Input function start
        and end loci.

2010-09-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * configure.ac: Use the GCC_AC_ENABLE_DECIMAL_FLOAT macro.
        * Makefile.in: Add aclocal.m4 dependency to dfp.m4.
        * configure: Regenerate.
        * aclocal.m4: Regenerate.

2010-09-03  Jan Hubicka  <jh@suse.cz>

        PR lto/44812
        * lto-cgraph.c (intput_node, input_varpool_node): Set DECL_EXTERNAL
        on functions/variables in other partition.

2010-09-03  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (struct varpool_node): Add const_value_known.
        (varpool_decide_const_value_known): Declare.
        * tree-ssa-ccp.c (fold_const_aggregate_ref): Update initializer folding.
        * lto-cgraph.c (lto_output_varpool_node): Store const_value_known.
        (input_varpool_node): Restore const_value_known.
        * tree-ssa-loop-ivcanon (constant_after_peeling): Check varpool for
        initializer folding.
        * ipa.c (ipa_discover_readonly_nonaddressable_var,
        function_and_variable_visibility): Compute const_value_known.
        * gimple-fold.c (get_symbol_constant_value): Use varpool for
        initializer folding.
        * varpool.c (varpool_decide_const_value_known): New function.

2010-09-03  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md: Remove empty preparation statements
        from splitters.

2010-09-03  Jan Hubicka  <jh@suse.cz>

        * passes.c (rest_of_decl_compilation): Do not add local vars into
        varpool.
        * varpool.c (varpool_get_node, varpool_node): Sanity check that only
        static or extern vars are in varpool.
        (varpool_finalize_decl): Sanity check that only static vars are
        finalized.

2010-09-03  Jakub Jelinek  <jakub@redhat.com>

        PR debug/45500
        * dwarf2out.c (rtl_for_decl_init): Give up for all generic vectors,
        not just generic vectors with BLKmode.

2010-09-03  Richard Guenther  <rguenther@suse.de>

        * tree.def (TARGET_MEM_REF): Merge TMR_SYMBOL and TMR_BASE.
        Move TMR_OFFSET to second operand.  Add TMR_INDEX2.
        * tree.h (TMR_SYMBOL): Remove.
        (TMR_BASE, TMR_OFFSET): Adjust.
        (TMR_INDEX2): New.
        * alias.c (ao_ref_from_mem): Use TMR_BASE.
        * builtins.c (get_object_alignment): Merge TMR_BASE and
        TMR_SYMBOL handling.
        * cfgexpand.c (expand_debug_expr): Use TMR_BASE.
        * gimple.c (get_base_address): Merge MEM_REF and TARGET_MEM_REF
        handling.  Also allow TARGET_MEM_REF as base address.
        (walk_stmt_load_store_addr_ops): TMR_BASE is always non-NULL.
        * gimplify.c (gimplify_expr): Gimplify TMR_BASE like MEM_REF
        base.  Gimplify TMR_INDEX2.
        * tree-cfg.c (verify_types_in_gimple_reference): Adjust.
        * tree-dfa.c (get_ref_base_and_extent): Likewise.
        (get_addr_base_and_unit_offset): Likewise.
        * tree-eh.c (tree_could_trap_p): Likewise.
        * tree-pretty-print.c (dump_generic_node): Likewise.
        * tree-ssa-address.c (tree_mem_ref_addr): Simplify.  Handle TMR_INDEX2.
        (create_mem_ref_raw): Merge symbol and base.  Move 2ndary
        base to index2.
        (get_address_description): Reconstruct addres description
        from merged TMR_BASE and TMR_INDEX2.
        (maybe_fold_tmr): Fold propagated addresses.
        * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Merge
        MEM_REF and TARGET_MEM_REF paths.
        (indirect_refs_may_alias_p): Likewise.
        * tree-ssa-live.c (mark_all_vars_used_1): Handle TMR_INDEX2
        instead of TMR_SYMBOL.
        * tree-ssa-operands.c (get_tmr_operands): Simplify.
        * tree-ssa-pre.c (create_component_ref_by_pieces_1): Adjust
        according to changes ...
        * tree-ssa-sccvn.c (copy_reference_ops_from_ref): ... here.
        Split TARGET_MEM_REF into two fields plus the base.
        * tree.c (mem_ref_offset): Simplify.
        * tree-ssa-loop-im.c (for_each_index): Handle TMR_INDEX2.
        * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Likewise.
        Strip NOPs when folding MEM_REF addresses.
        * tree-ssa-sink.c (is_hidden_global_store): Handle TARGET_MEM_REF.
        * gimple-fold.c (maybe_fold_reference): Fold TARGET_MEM_REF here ...
        (fold_gimple_assign): ... not here.

2010-09-03  Mingjie Xing  <mingjie.xing@gmail.com>

        * config/mips/mips.h (SHIFT_COUNT_TRUNCATED): Change the definition.
        * config/mips/mips.c (mips_shift_truncation_mask): New function.
        (TARGET_SHIFT_TRUNCATION_MASK): Define.

2010-09-02  Richard Henderson  <rth@redhat.com>

        * configure.ac (gcc_cv_as_cfi_advance_working): Use objdump
        instead of readelf in the test.
        (gcc_cv_as_cfi_sections_directive): Check for correct relocation
        in the .debug_frame section for coff targets.
        * configure: Rebuild.

2010-09-02  Anatoly Sokolov  <aesok@post.ru>

        * config/m32c/m32c.h (CLASS_LIKELY_SPILLED_P): Remove.
        * config/m32c/m32c-protos.h (m32c_class_likely_spilled_p): Remove.
        * config/m32c/m32c.c (TARGET_CLASS_LIKELY_SPILLED_P): Define.
        (m32c_class_likely_spilled_p): Make static. Change argument type to
        reg_class_t. Change result type to bool.

2010-09-02  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/rs6000.opt (-mfriz): New switch to control whether
        to convert (double)(long) into a single FRIZ instruction or not
        when -ffast-math is used.

        * config/rs6000/vsx.md (VSX_DF): New iterator for DF/V2DF modes.
        (vsx_float_fix_<mode>2): Optimize (double)(long) into X{S,V}RDPIZ
        or FRIZ instruction if -ffast-math.
        * config/rs6000/rs6000.md (friz): Ditto.

        * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mfriz.

2010-09-02  Joseph Myers  <joseph@codesourcery.com>

        * opth-gen.awk (quote, comma): Remove unused variables.

2010-09-02  Ryan Mansfield  <rmansfield@qnx.com>

        * arm.c (arm_override_options): Correct fall-back code to use
        SUBTARGET_CPU_DEFAULT.

2010-09-02  Julian Brown  <julian@codesourcery.com>

        * config/arm/neon.md (UNSPEC_VCLE, UNSPEC_VCLT): New constants for
        unspecs.
        (vcond<mode>, vcondu<mode>): New expanders.
        (neon_vceq<mode>, neon_vcge<mode>, neon_vcgt<mode>): Support
        comparisons with zero.
        (neon_vcle<mode>, neon_vclt<mode>): New patterns.
        * config/arm/constraints.md (Dz): New constraint.

2010-09-02  Anatoly Sokolov  <aesok@post.ru>

        * target.def (class_likely_spilled_p): New hook.
        * doc/tm.texi.in (TARGET_CLASS_LIKELY_SPILLED_P): Document.
        * doc/tm.texi: Regenerate.
        * targhooks.c (default_class_likely_spilled_p): New function.
        * targhooks.h (default_class_likely_spilled_p): Declare.
        * regs.h (CLASS_LIKELY_SPILLED_P): Remove.
        * combine.c (cant_combine_insn_p, likely_spilled_retval_p): Use
        TARGET_CLASS_LIKELY_SPILLED_P target hook. Use HARD_REGISTER_P macro.
        Use fixed_reg_set instead of fixed_regs.
        * cse.c (hash_rtx_cb): Use TARGET_CLASS_LIKELY_SPILLED_P target hook.
        * calls.c (avoid_likely_spilled_reg): Ditto.
        * ira-conflicts.c (ira_build_conflicts): Ditto.
        * ira.c (update_equiv_regs): Ditto.
        * mode-switching.c (create_pre_exit): Ditto.
        * regmove.c (find_matches): Ditto.
        (regclass_compatible_p): Use TARGET_CLASS_LIKELY_SPILLED_P target hook.
        * reload.c (SMALL_REGISTER_CLASS_P): Remove macro.
        (small_register_class_p): New inline function.
        (push_secondary_reload, find_reusable_reload, find_reloads): Use
        small_register_class_p instead of SMALL_REGISTER_CLASS_P.

        * config/i386/i386.h (CLASS_LIKELY_SPILLED_P): Remove.
        * config/i386/i386.c (ix86_class_likely_spilled_p): New.
        (TARGET_CLASS_LIKELY_SPILLED_P): Define.

2010-09-02  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44937
        PR tree-optimization/45412
        * ipa-split.c (split_function): Properly remove PHI nodes.

2010-09-02  Joseph Myers  <joseph@codesourcery.com>

        * opts.h (struct cl_option): Add warn_message field.
        (struct cl_decoded_option): Add warn_message field.
        * doc/options.texi (Ignore, Warn): Document.
        * opt-functions.awk (needs_state_p): Don't consider aliases or
        ignored options to need state saved.
        * optc-gen.awk: Handle Warn and Ignore.
        * opth-gen.awk: Output OPT_SPECIAL_ignore.
        * opts-common.c (decode_cmdline_option): Set warn_message field.
        Handle ignored options.
        (decode_cmdline_options_to_array, generate_option,
        generate_option_input_file): Set warn_message field.
        (read_cmdline_option): Generate warnings from warn_message field.
        Handle ignored options.
        * common.opt (Wunreachable-code, fargument-alias,
        fargument-noalias, fargument-noalias-global,
        fargument-noalias-anything, fcse-skip-blocks, fforce-addr,
        floop-optimize, frerun-loop-opt, fsched2-use-traces, fsee,
        fstrength-reduce, ftree-store-ccp, ftree-store-copy-prop,
        ftree-salias): Mark Ignore.
        * config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -mcpu,
        -mintel-syntax and -mno-intel-syntax here.
        * config/i386/i386.opt (mcpu=, mintel-syntax): Define as aliases
        using Warn.
        * opts.c (common_handle_option): Don't handle options marked as
        ignored.
        (enable_warning_as_error): Handle ignored options.

2010-09-02  Joseph Myers  <joseph@codesourcery.com>

        PR driver/44076
        * opts.h (struct cl_option): Add alias_arg, neg_alias_arg and
        alias_target fields.
        * opt-functions.awk (opt_sanitized_name): Don't handle
        finline-limit=, Wlarger-than= and ftemplate-depth= specially.
        * optc-gen.awk: Generate alias fields.
        * opth-gen.awk: Explicitly give values for OPT_* enum constants.
        Don't generate such constants for aliases.
        * opts-common.c (generate_canonical_option): New.
        (decode_cmdline_option): Handle aliases.  Use
        generate_canonical_option for known options instead of copying the
        input option text.
        * doc/options.texi (Alias): Document.
        * common.opt (W, Wlarger-than-, aux-info=, finline-limit-,
        fstack-check, specs): Mark as aliases.
        * gcc.c (driver_handle_option): Canonicalize -L options to joined
        arguments.
        (driver_handle_option): Don't handle OPT_specs.
        * opts.c (common_handle_option): Don't handle options marked as
        aliases.
        (enable_warning_as_error): Handle aliases.
        * stor-layout.c (layout_decl): Use OPT_Wlarger_than_ instead of
        OPT_Wlarger_than_eq.
        * tree-optimize.c (tree_rest_of_compilation): Use
        OPT_Wlarger_than_ instead of OPT_Wlarger_than_eq.

2010-09-02  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (nonmemory_operand): New mode attribute.
        (push memory peephole2): Macroize peepholes using SWI mode iterator.
        (move immediate to memory peephole2): Macroize peepholes using
        SWI124 mode iterator.
        (non-pairable NOT peephole2): Macroize peepholes using SWI124
        mode iterator.
        (simple lea add peephole2): Macroize peepholes using SWI48
        mode iterator.
        (simple lea mult peephole2): Ditto.
        (imul by 3,5,9 to lea peephole2): Ditto.
        (mov $-1, reg peephole2): Macroize peepholes using SWI248
        mode iterator.
        (imul $32bit_imm,mem,reg peephole2): Ditto.
        (imul $8/16bit_imm,regmem,reg peephole2): Ditto.

2010-09-02  Ian Bolton  <ian.bolton@arm.com>

        * tree-ssa-loop-prefetch.c: Fix comment at head of file.

2010-09-02  Olivier Hainque  <hainque@adacore.com>

        PR middle-end/44763
        * ira-color.c (SORTGT): New macro, helper for qsort callbacks.
        (allocno_priority_compare_func): Use it instead of a straight
        difference computation over priorities.

2010-09-02  Andi Kleen  <ak@linux.intel.com>

        * opts.c (common_handle_option): Fix OPT_fwhopr/fwhopr_ handling.

2010-09-02  Ira Rosen  <irar@il.ibm.com>

        * tree-vectorizer.h (get_later_stmt): New function.
        (vect_analyze_data_ref_dependences): Add argument.
        * tree-vect-loop.c (vect_analyze_loop): Update call to
        vect_analyze_data_ref_dependences.
        * tree-vect-data-refs.c (vect_drs_dependent_in_basic_block):
        New function.
        (vect_analyze_data_ref_dependence): Add argument for basic block
        dependencies. Check dependencies in basic block vectorization.
        (vect_analyze_data_ref_dependences): Add argument and update call to
        vect_analyze_data_ref_dependences.
        * tree-vect-slp.c (vect_find_last_store_in_slp_instance): New.
        (vect_bb_vectorizable_with_dependencies): New.
        (vect_slp_analyze_bb): Check dependencies in basic block.
        (vect_schedule_slp_instance): Insert stores before the last store in
        SLP instance.

2010-09-02  Uros Bizjak  <ubizjak@gmail.com>

        PR target/45476
        * config/i386/freebsd.h (LIBGCC2_HAS_TF_MODE,
        LIBGCC2_TF_CEXT, TF_SIZE): New defines.

2010-09-01  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/45458
        * bb-reorder.c (add_labels_and_missing_jumps): Treat
        bbs ending with throwing insns like blocks ending with a call.
        (fix_up_fall_thru_edges): Likewise.

2010-09-01  Nathan Froyd  <froydnj@codesourcery.com>

        * config/m32c/m32c-protos.h (m32c_function_arg): Delete.
        (m32c_function_arg_advance): Delete.
        * config/m32c/m32c.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
        * config/m32c/m32c.c (m32c_function_arg): Make static.  Adjust
        comments.  Take a const_tree and a bool.  Declare.
        (m32c_function_arg_advance): Likewise.
        (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.

2010-09-01  Uros Bizjak  <ubizjak@gmail.com>

        PR target/45476
        * config/i386/cygming.h (LIBGCC2_HAS_TF_MODE,
        LIBGCC2_TF_CEXT, TF_SIZE): Move from ...
        * config/i386/mingw32.h: ... here.

2010-09-01  Andi Kleen  <ak@linux.intel.com>

        PR lto/45475
        * lto-streamer-in.c (lto_input_ts_target_option): Add.
        (lto_input_tree_pointers): Call lto_input_ts_target_option.
        * lto-streamer-out (lto_output_ts_target_option): Add.
        (lto_output_tree_pointers): Call lto_output_ts_target_option.

2010-09-01  Kai Tietz  <kai.tietz@onevision.com>

        PR/target 45452
        * config/i386/cygwin.h: Change order of specified import libraries.
        * config/i386/mingw32.h: Likewise.
        * config/i386/t-cygwin: Likewise.
        * config/i386/t-mingw32: Likewise.
        * config/i386/t-mingw-w32: Likewise.
        * config/i386/t-mingw-w64: Likewise.

2010-09-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/neon-schedgen.ml (core): New type.
        (allCores): List of supported cores.
        (availability_table): Add supported cores.
        (collate_bypasses): Accept core as a parameter.
        (worst_case_latencies_and_bypasses): Accept core as a parameter.
        (emit_insn_reservations): Accept core as a parameter.  Use tuneStr
        and coreStr to get tune attribute and prefix for functional units.
        (emit_bypasses): Accept core name and use it.
        (calculate_per_core_availability_table): New.
        (filter_core): New.
        (calculate_core_availability_table): New.
        (main): Use calculate_core_availablity_table.
        * config/arm/cortex-a8-neon.md: Update copyright year.
        Regenerated from ml file and merged in.
        (neon_mrrc, neon_mrc): Rename to cortex_a8_neon_mrrc and
        cortex_a8_neon_mrc.

2010-09-01  Ian Bolton  <ian.bolton@arm.com>

        * Makefile.in (tree-switch-conversion.o): Update dependencies.

2010-09-01  Richard Guenther  <rguenther@suse.de>

        * alias.c (ao_ref_from_mem): Adjust.
        * builtins.c (get_object_alignment): Likewise.
        * cfgexpand.c (expand_debug_expr): Likewise.
        * gimple.c (get_base_address): Likewise.
        * tree-dfa.c (get_ref_base_and_extent): Likewise.
        (get_addr_base_and_unit_offset): Likewise.  Fix for
        both TMR_SYMBOL and TMR_BASE being set.
        * tree-eh.c (tree_could_trap_p): Likewise.
        * gimplify.c (gimplify_expr): Do not attempt to gimplify
        TMR_SYMBOL.  Always gimplify TMR_BASE.
        * tree-cfg.c (verify_types_in_gimple_reference): Verify
        TMR_BASE if there is a TMR_SYMBOL.
        * tree-pretty-print.c (dump_generic_node): Adjust.
        * tree-ssa-address.c (addr_for_mem_ref): Likewise.
        (tree_mem_ref_addr): Likewise.
        (create_mem_ref_raw): Likewise.
        (move_fixed_address_to_symbol): Likewise.
        (create_mem_ref): Likewise.
        (dump_mem_address): Likewise.
        * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Adjust.
        Fix for both TMR_SYMBOL and TMR_BASE being set.
        (indirect_refs_may_alias_p): Likewise.
        * tree-ssa-operands.c (get_tmr_operands): Adjust.
        * tree.def (TARGET_MEM_REF): Adjust documentation.

2010-09-01  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.h (enum ix86_tune_indices) <X86_TUNE_SINGLE_POP>:
        Rename from X86_TUNE_ADD_ESP_4.
        <IX86_TUNE_DOUBLE_POP>: Rename from X86_TUNE_ADD_ESP_8.
        <IX86_TUNE_SINGLE_PUSH>: Rename from X86_TUNE_SUB_ESP_4.
        <IX86_TUNE_DOUBLE_PUSH>: Rename from X86_TUNE_SUB_ESP_8.
        (TARGET_SINGLE_POP): Rename from TARGET_ADD_ESP_4.
        (TARGET_DOUBLE_POP): Rename from TARGET_ADD_ESP_8.
        (TARGET_SINGLE_PUSH): Rename from TARGET_SUB_ESP_4.
        (TARGET_DOUBLE_POP): Rename from TARGET_SUB_ESP_8.
        * config/i386/i386.c (initial_ix86_tune_features)
        <X86_TUNE_SINGLE_POP>: Invert members.
        <X86_TUNE_DOUBLE_POP>: Ditto.
        <X86_TUNE_SINGLE_PUSH>: Ditto.
        <X86_TUNE_DOUBLE_PUSH>: Ditto.
        * config/i386/i386.md (*pop<mode>1): Rename from pop<mode>1.
        No longer exported.
        (push peephole2 patterns): Macroize peepholes using P mode iterator.
        Adjust for renamed TARGET_{SINGLE,DOUBLE}_PUSH defines.
        (pop peephole2 patterns): Macroize peepholes using P mode iterator.
        Adjust for renamed TARGET_{SINGLE,DOUBLE}_POP defines.

2010-09-01  Eric Botcazou  <ebotcazou@adacore.com>

        * gimplify.c (gimplify_init_constructor): Do not create a temporary for
        a volatile LHS if the constructor has only one element.

2010-09-01  Mikael Pettersson  <mikpe@it.uu.se>

        PR bootstrap/45321
        * tree.c (stdarg_p): Make fntype parameter const.
        * tree.h (stdarg_p): Likewise.
        (function_args_iterator): Remove unused fntype field.
        (function_args_iter_init): Do not initialize fntype
        field.  Make fntype parameter const.

2010-09-01  Richard Guenther  <rguenther@suse.de>

        * tree-vrp.c (adjust_range_with_scev): Use number of iteration
        estimate.
        (vrp_visit_phi_node): Delay using SCEV till we balloon the range.
        (execute_vrp): Compute number of iteration estimates.
        * cfgloop.h (estimate_numbers_of_iterations_loop): Adjust prototype.
        * tree-flow.h (estimate_numbers_of_iterations): Likewise.
        * tree-data-ref.c (estimated_loop_iterations): Adjust.
        * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
        Infer loop bounds from undefined behavior based on a new parameter.
        (estimate_numbers_of_iterations): Likewise.
        (scev_probably_wraps_p): Adjust.
        * tree-ssa-loop.c (tree_ssa_loop_bounds): Likewise.

2010-09-01  Nick Clifton  <nickc@redhat.com>

        * config/stormy16/stormy16.c: Use REG_P, MEM_P and CONST_INT_P
        where appropriate.
        (xstormy16_legitimate_address_p): Use true and false instead of 1
        and 0.
        (xstormy16_expand_prologue): Delete unused local variable 'insn'.
        (xstormy16_function_arg): Use FIRST_ARGUMENT_REGNUM in place of
        magic constant 2.
        (xstormy16_expand_call): Fix comment at start of function.

2010-09-01  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.c (rx_expand_prologue): Do not adjust frame size
        when pushing accumulator register.
        (rx_get_stack_layout): Always save call clobbered registers inside
        interrupt handlers.
        * config/rx/rx-modes.def: Fix descriptive comment at start of file.

2010-09-01  Uros Bizjak  <ubizjak@gmail.com>

        * config.gcc (i[34567]86-*-freebsd*, x86_64-*-freebsd*): Add
        i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file.

        * libgcc-std.ver (GCC_4.6.0): Define version.

2010-08-31  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-nested.c (convert_all_function_calls): Iterate until after the
        sum of static chains in the nest doesn't change.

2010-08-31  Anatoly Sokolov  <aesok@post.ru>

        * config/m32c/m32c.c (classes_intersect): Remove.
        (m32c_preferred_reload_class, m32c_secondary_reload_class): Use
        reg_classes_intersect_p instead of classes_intersect.
        (class_can_hold_mode): Change arguments type from enum reg_class to
        reg_class_t.  Use reg_class_contents instead of class_contents.
        (m32c_register_move_cost): Make static. Change arguments type from
        enum reg_class to reg_class_t. Use reg_classes_intersect_p instead of
        classes_intersect. Use reg_class_contents instead of class_contents.
        (m32c_memory_move_cost): Make static. Change arguments type from
        enum reg_class to reg_class_t.
        (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
        * config/m32c/m32c.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
        * config/m32c/m32c-protos.h (m32c_register_move_cost,
        m32c_memory_move_cost): Remove.

2010-08-31  Nathan Froyd  <froydnj@codesourcery.com>

        * config/arm/arm-protos.h (arm_function_arg_advance): Delete.
        (arm_function_arg): Delete.
        (arm_needs_doubleword_align): Take a const_tree.
        * config/arm/arm.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
        * config/arm/arm.c (aapcs_select_call_coproc): Take a const_tree.
        (aapcs_layout_arg, arm_needs_doubleword_align): Likewise.
        (arm_function_arg): Make static.  Take a const_tree and a bool.
        (arm_function_arg_advance): Likewise.
        (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.

2010-08-31  Andi Kleen  <ak@linux.intel.com>

        * common.opt (fwhopr=): Update for -fwhopr=jobserver
        * doc/invoke.texi (fwhopr): Document -fwhopr=jobserver.
        * lto-wrapper.c (run_gcc): Add jobserver mode.
        * opts.c (common_handle_option): Fix OPT_fwhopr for non numeric
        argument.

2010-08-31  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (popdi1): Rewrite using POST_INC memory operand.
        (popsi1): Ditto.
        (*popdi1_epilogue): Ditto.
        (*popsi1_epilogue): Ditto.
        (popsi, popdi peephole2 patterns): Update peepholes for changed
        pop{si,di}1 and *pop{si,di}1_epilogue patterns.

        (pop<mode>1): Macroize insn from pop{si,di}1 using P code iterator.
        (*pop<mode>1_epilogue): Ditto from *pop{si,di}1_epilogue.

        * config/i386/i386.c (*ix86_gen_pop1): Remove indirect function.
        (override_options): Do not initialize removed ix86_gen_pop1.
        (gen_pop): New static function.
        (ix86_expand_prologue): Use gen_pop instead of ix86_gen_pop1.
        (release_scratch_register_on_entry): Ditto.
        (ix86_restore_reg_using_pop): Ditto.
        (ix86_expand_epilogue): Ditto.

2010-08-31  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/45461
        * builtins.c (dummy_object): Return a MEM_REF instead of INDIRECT_REF.

2010-08-31  Nathan Froyd  <froydnj@codesourcery.com>

        * config/fr30/fr30.c (fr30_move_double): Delete `dregno' and extra
        semicolons.

2010-08-31  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        * doc/extend.texi: Fix documentation of the return value of
        __builtin_choose_expr.

2010-08-31  Nathan Froyd  <froydnj@codesourcery.com>

        * config/v850/v850-protos.h (function_arg): Delete.
        * config/v850/v850.h (FUNCTION_ARG): Delete.
        (FUNCTION_ARG_ADVANCE): Move code to...
        * config/v850/v850.c (v850_function_arg_advance): ...here.
        (v850_function_arg): Make static.  Take a const_tree and a bool.
        (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.

2010-08-31  Nathan Froyd  <froydnj@codesourcery.com>

        * config/m32r/m32r.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Move
        these...
        (ROUND_ADVANCE, ROUND_ADVANCE_ARG, ROUND_ADVANCE_CUM, PASS_IN_REG_P):
        ...and these...
        * config/m32r/m32r.c (m32r_function_arg, m32r_function_arg_advance):
        ..to here..
        (ROUND_ADVANCE, ROUND_ADVANCE_ARG, ROUND_ADVANCE_CUM, PASS_IN_REG_P):
        ...and here.
        (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.

2010-08-31  Nathan Froyd  <froydnj@codesourcery.com>

        * config/rx/rx-protos.h (rx_function_arg, rx_function_arg_size):
        Delete.
        * config/rx/rx.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
        * config/rx/rx.c (rx_function_arg_size): Make static.
        (rx_function_arg): Likewise.
        (rx_function_arg_advance): New function.
        (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.

2010-08-31  John Tytgat  <John.Tytgat@aaug.net>

        * config/arm/arm.c (arm_override_options): Remove superfluous test.
        Fix indentation.

2010-08-31  Eric Botcazou  <ebotcazou@adacore.com>

        * dwarf2out.c (gen_decl_die) <CONST_DECL>: Do not skip in Ada.
        (dwarf2out_decl) <CONST_DECL>: Likewise.

2010-08-30  Eric Botcazou  <ebotcazou@adacore.com>

        Stack usage support
        * common.opt (-fstack-usage): New option.
        * doc/invoke.texi (Debugging options): Document it.
        * builtins.c (expand_builtin_apply): Pass TRUE as 4th argument to
        allocate_dynamic_stack_space.
        (expand_builtin_alloca): Add 4th bool parameter CANNOT_ACCUMULATE
        and propagate it to allocate_dynamic_stack_space.
        (expand_builtin) <BUILT_IN_ALLOCA>: Adjust for above change.
        * calls.c (initialize_argument_information): Pass TRUE as 4th
        argument to allocate_dynamic_stack_space.
        (expand_call): Set current_function_has_unbounded_dynamic_stack_size
        to 1 when pushing a variable-sized argument onto the stack.  Pass
        TRUE as 4th argument to allocate_dynamic_stack_space.
        Update current_function_pushed_stack_size.
        (emit_library_call_value_1): Likewise.
        * explow.c (allocate_dynamic_stack_space): Add 4th bool parameter
        CANNOT_ACCUMULATE.  If flag_stack_usage, look into the size and
        attempt to find an upper bound.  Remove redundant code for the
        SETJMP_VIA_SAVE_AREA case.
        * expr.h (allocate_dynamic_stack_space): Add 4th bool parameter.
        * function.h (struct stack_usage): New structure.
        (current_function_static_stack_size): New macro.
        (current_function_dynamic_stack_size): Likewise.
        (current_function_pushed_stack_size): Likewise.
        (current_function_dynamic_alloc_count): Likewise.
        (current_function_has_unbounded_dynamic_stack_size): Likewise.
        (current_function_allocates_dynamic_stack_space): Likewise.
        (struct function): Add new field 'su'.
        * function.c (instantiate_virtual_regs): If SETJMP_VIA_SAVE_AREA,
        add the value of the dynamic offset to the dynamic stack usage.
        (gimplify_parameters): Set ALLOCA_FOR_VAR_P on call to BUILT_IN_ALLOCA
        for variable-sized objects.
        (prepare_function_start): Allocate cfun->su if flag_stack_usage.
        (rest_of_handle_thread_prologue_and_epilogue): Call output_stack_usage.
        * gimplify.c (gimplify_decl_expr): Set ALLOCA_FOR_VAR_P on call to
        BUILT_IN_ALLOCA for variable-sized objects.
        * output.h (output_stack_usage): Declare.
        * toplev.c (stack_usage_file): New file pointer.
        (output_stack_usage): New function.
        (open_auxiliary_file): Likewise.
        (lang_dependent_init): Open file if flag_stack_usage is set.
        (finalize): Close file if stack_usage_file is not null.
        * tree.h (ALLOCA_FOR_VAR_P): New macro.
        * config/alpha/alpha.c (compute_frame_size): New function.
        (alpha_expand_prologue): Use it.
        (alpha_start_function): Likewise.
        (alpha_expand_epilogue): Likewise.  Set stack usage info.
        * config/i386/i386.c (ix86_expand_prologue): Likewise.
        * config/ia64/ia64.c (ia64_expand_prologue): Likewise.
        * config/mips/mips.c (mips_expand_prologue): Likewise.
        * config/pa/pa.c (hppa_expand_prologue): Likewise.
        * config/rs6000/rs6000.c (rs6000_emit_prologue): Likewise.
        * config/sparc/sparc.c (sparc_expand_prologue): Likewise.

2010-08-30  Zdenek Dvorak  <ook@ucw.cz>

        PR tree-optimization/45427
        * tree-ssa-loop-niter.c (number_of_iterations_ne_max): Rewritten.
        Handle the case that the exit is never taken correctly.
        (number_of_iterations_ne): Pass exit_must_be_taken to
        number_of_iterations_ne_max.

2010-08-30  Catherine Moore  <clm@codesourcery.com>

        * config/mips/mips.h (BASE_DRIVER_SELF_SPECS):
        Infer -mdspr2 for the the 74K.

2010-08-30  Jakub Jelinek  <jakub@redhat.com>

        PR debug/45419
        * tree-ssa-live.c (dump_enumerated_decls): Clear the whole wi variable.

        PR middle-end/45423
        * gimplify.c (goa_stabilize_expr): Handle TRUTH_NOT_EXPR
        and TRUTH_{AND,OR,XOR}_EXPR.
        * c-parser.c (c_parser_omp_atomic): Handle boolean
        {PRE,POST}_{INC,DEC}REMENT.

2010-08-30  Nathan Froyd  <froydnj@codesourcery.com>

        * config/xtensa/xtensa-protos.h (function_arg_advance): Delete.
        (function_arg): Delete.
        * config/xtensa/xtensa.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
        (FUNCTION_INCOMING_ARG): Delete.
        * config/xtensa/xtensa.c (function_arg_advance): Rename to...
        (xtensa_function_arg_advance): ...this.  Make static. Take a const_tree
        and a bool.
        (function_arg): Rename to...
        (xtensa_function_arg_1): ...this.  Make static.  Take a const_tree and
        a bool.
        (xtensa_function_arg, xtensa_function_incoming_arg): Nex functions.
        (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
        (TARGET_FUNCTION_INCOMING_ARG): Define.

2010-08-30  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/21602
        * builtins.c (fold_builtin_memory_op): Fold memmove to memcpy
        using points-to information.

2010-08-30  H.J. Lu  <hongjiu.lu@intel.com>

        * config/linux.h (TARGET_HAS_SINCOS): Replace | with ||.

2010-08-30  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/45449
        * tree-ssa-live.c (remove_unused_locals): Also remove address-taken
        variables.

2010-08-30  Joseph Myers  <joseph@codesourcery.com>

        * opts.h (CL_ERR_NEGATIVE): Define.
        * opts.c (unknown_option_callback): Don't postpone warnings for
        options marked with CL_ERR_NEGATIVE.
        * opts-common.c (decode_cmdline_option): Set CL_ERR_NEGATIVE error
        for negative versions of CL_REJECT_NEGATIVE options.

2010-08-30  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (zero_extendsidi2_1): Rename from
        zero_extendsidi2_32.
        (zero_extend<mode>di2): Macroize insn from zero_extend{qi,hi}di2
        using SWI12 mode iterator.
        (zero_extendhisi2_and): Merge insn pattern and corresponding spliter
        to define_insn_and_split pattern.
        (zero_extendqi<mode>2): Macroize expander from zero_extendqi{hi,si}2
        using SWI24 mode iterator.
        (*zero_extendqi<mode>2_and): Macroize insn from
        *zero_extendqi{hi,si}2_and using SWI24 mode iterator.
        (*zero_extendqi<mode>2_movzbl_and): Macroize insn from
        *zero_extendqihi2_movzbw_and and *zero_extendqisi2_movzbl_and using
        SWI24 mode iterator.
        (*zero_extendqi<mode>2_movzbl): Ditto from
        *zero_extendqi{hi,si}2_movzbl.
        (extendsidi2_1): Rename from extendsidi2_32.
        (extend<mode>di2): Macroize insn from extend{qi,hi}di2 using
        SWI12 mode iterator.

2010-08-29  Eric Botcazou  <ebotcazou@adacore.com>

        * config/ia64/ia64.h (HARD_REGNO_NREGS): Return 1 for CCImode in
        general purpose registers.
        (HARD_REGNO_MODE_OK): Accept CCImode in general purpose registers.
        * config/ia64/ia64.md (*movcci): Change to named pattern.  Deal
        with general purpose registers and memory operands.  Add associated
        CCImode post-reload splitter.
        * config/ia64/div.md: Change BImode to CCImode throughout.

2010-08-28  Eric Botcazou  <ebotcazou@adacore.com>

        * config/ia64/ia64.md (cstorebi4): Fix thinko.

2010-08-28  Hariharan Sandanagobalane  <hariharan@picochip.com>

        * config/picochip/picochip.c (reorder_var_tracking_notes): This
        function was dropping debug insns which caused PR45299.

2010-08-28  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (extsuffix): New code attribute.
        (sse4_1_<code>v8qiv8hi2): Macroize insn from sse4_1_extendv8qiv8hi2
        and sse4_1_zero_extendv8qiv8hi2 using any_extend code iterator.
        (sse4_1_<code>v4qiv4si2): Ditto from sse4_1_extendv4qiv4si2
        and sse4_1_zero_extendv4qiv4si2.
        (sse4_1_<code>v2qiv2di2): Ditto from sse4_1_extendv2qiv2di2
        and sse4_1_zero_extendv2qiv2di2.
        (sse4_1_<code>v4hiv4si2): Ditto from sse4_1_extendv4hiv4si2
        and sse4_1_zero_extendv4hiv4si2.
        (sse4_1_<code>v2hiv2di2): Ditto from sse4_1_extendv2hiv2di2
        and sse4_1_zero_extendv2hiv2di2.
        (sse4_1_extendv2siv2di2): Ditto from sse4_1_extendv2siv2di2
        and sse4_1_zero_extendv2siv2di2

        (<s>mulv8hi3_highpart): Macroize expander from {u,s}mulv8hi3_highpart
        using any_extend code iterator.
        (*avx_<s>mulv8hi3_highpart): Macroize insn from
        *avx_{u,s}mulv8hi3_highpart using any_extend code iterator.
        (*<s>mulv8hi3_highpart): Ditto from *{u,s}mulv8hi3_highpart.

        * config/i386/i386.c (ix86_expand_sse4_unpack): Update for renamed
        gen_sse4_1_sign_extend* functions.
        (struct builtin_description bdesc_args): Ditto.

2010-08-27  Xinliang David Li  <davidxl@google.com>

        PR/45422
        * tree-ssa-loop-ivopts.c (iv_ca_get_num_inv_exprs): Remove.
        (iv_ca_set_no_cp): Update used inv expr count.
        (iv_ca_set_cp): Ditto.
        (iv_ca_new): Initialize new member.
        (iv_ca_free): Free memory.

2010-08-27  Nathan Froyd  <froydnj@codesourcery.com>

        * config/sh/sh-protos.h (sh_function_arg): Delete.
        (sh_function_arg_advance): Delete.
        * config/sh/sh.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
        (PASS_IN_REG_P): Eliminate cast.
        * config/sh/sh.c (sh_function_arg_advance): Make static.  Take a
        const_tree and a bool.
        (sh_function_arg): Likewise.
        (sh_output_mi_thunk): Call sh_function_arg_advance) and
        sh_function_arg.
        (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.

2010-08-27  Naveen H.S  <naveen.S@kpitcummins.com>
            Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (push_regs): Emit movml for interrupt handler
        when possible.
        (sh_expand_epilogue): Likewise.
        * config/sh/sh.md (movml_push_banked): New insn.
        (movml_pop_banked): Likewise.

2010-08-28  Bernd Schmidt  <bernds@codesourcery.com>

        * genautomata.c (gen_regexp_repeat, gen_regexp_allof,
        gen_regexp_oneof, gen_regexp_sequence): Use the string found
        in vector element 0 rather than the original string when there's
        only one element.
        (gen_regexp): Remove extra semicolon.

        * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp, movsf_vfp,
        thumb2_movsf_vfp): Set attribute "insn".
        * config/arm/arm.md (arm_ashrdi3_1bit, arm_lshrdi3_1bit, not_shiftsi,
        not_shiftsi_compare0, not_shiftsi_compare0_scratch, arm_one_cmplsi2,
        thumb1_one_cmplsi2, notsi_compare0, notsi_compare0_scratch,
        arm_zero_extendsidi2, arm_extendsidi2, thumb1_movdi_insn,
        arm_movsi_insn, movhi_insn_arch4, movhi_bytes, arm_movqi_insn,
        thumb1_movqi_insn arm32_movhf, thumb1_movhf, arm_movsf_soft_insn,
        thumb1_movsf_insn, thumb_movdf_insn, mov_scc, mov_negscc, mov_notscc,
        movsicc_insn, movsfcc_soft_insn, and_scc, cond_move, if_move_not,
        if_not_move, if_shift_move, if_move_shift, if_shift_shift,
        if_not_arith, if_arith_not, cond_move_not): Likewise.

2010-08-23  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/rs6000-protos.h (rs6000_address_for_fpconvert):
        New declaration.
        (rs6000_allocate_stack_temp): Ditto.
        (rs6000_expand_convert_si_to_sfdf): Ditto.

        * config/rs6000/rs6000.c (rs6000_override_options): Adjust long
        line.  Update the options set if power6 or power7 server/embedded
        type options are used.  If we give a warning for no vsx under
        -mcpu=power7 -mno-altivec, mark -mvsx as an explicit option.
        (rs6000_allocate_stack_temp): New function to allocate a stack
        tempoary and adjust the address so it meets either REG+OFFSET or
        REG+REG addressing requirements.
        (rs6000_address_for_fpconvert): Adjust REG+OFFSET addresses so
        that they can be used with the LFIWAX/LFIWZX instrucitons.
        (rs6000_expand_convert_si_to_sfdf): New helper funciton for
        converting signed/unsigned SImode to either SFmode/DFmode.

        * config/rs6000/rs6000.h (TARGET_FCFID): New macros to determine
        whether certain instructions can be generated.
        (TARGET_FCTIDZ): Ditto.
        (TARGET_STFIWX): Ditto.
        (TARGET_LFIWAX): Ditto.
        (TARGET_LFIWZX): Ditto.
        (TARGET_FCFIDS): Ditto.
        (TARGET_FCFIDU): Ditto.
        (TARGET_FCFIDUS): Ditto.
        (TARGET_FCTIDUZ): Ditto.
        (TARGET_FCTIWUZ): Ditto.

        * config/rs6000/rs6000.md (UNSPEC_FCTIW): New unspec constants.
        (UNSPEC_FCTID): Ditto.
        (UNSPEC_LFIWAX): Ditto.
        (UNSPEC_LFIWZX): Ditto.
        (UNSPEC_FCTIWUZ): Ditto.
        (rreg): Use correct constraints.
        (SI_CONVERT_FP): New mode attribute for floating point conversion
        tests.
        (E500_CONVERT): Ditto.
        (lfiwax): New insns for converting from integer to floating point
        utilizing newer instructions.  Attempt to optimize conversions
        that come from memory so that we don't load the value into a GPR,
        spill it to the stack and reload it into a FPR.
        (floatsi<mode>2_lfiwax): Ditto.
        (floatsi<mode>2_lfiwax_mem): Ditto.
        (floatsi<mode>2_lfiwax_mem2): Ditto.
        (lfiwzx): Ditto.
        (floatunssi<mode>2_lfiwzx): Ditto.
        (floatunssi<mode>2_lfiwzx_mem): Ditto.
        (floatunssi<mode>2_lfiwzx_mem2): Ditto.
        (floatdidf2_mem): Ditto.
        (floatunsdidf2_fcfidu): Ditto.
        (floatunsdidf2_mem): Ditto.
        (floatunsdisf2): Ditto.
        (floatunsdisf2_fcfidus): Ditto.
        (floatunsdisf2_mem): Ditto.
        (floatsidf2): Add support for LFIWAX/LFIWZX/FCFIDS/FCFIDU/FCFIDUS.
        Use FCFID on 32-bit hosts that support it.
        (floatsidf2_internal): Ditto.
        (floatunssisf2): Ditto.
        (floatunssidf2): Ditto.
        (floatunssidf2_internal): Ditto.
        (floatsisf2): Ditto.
        (floatdidf2): Ditto.
        (floatdidf2_fpr): Ditto.
        (floatunsdidf2): Ditto.
        (floatdisf2): Ditto.
        (floatdisf2_fcfids): Ditto.
        (floatdisf2_internal1): Ditto.
        (fixuns_truncsfsi2): Delete, merge into common pattern for both
        SF/DF.  Add power7 support.
        (fix_truncsfsi2): Ditto.
        (fixuns_truncdfsi2): Ditto.
        (fixuns_truncdfdi2): Ditto.
        (fix_truncdfsi2): Ditto.
        (fix_truncdfsi2_internal): Ditto.
        (fix_truncdfsi2_internal_gfxopt): Ditto.
        (fix_truncdfsi2_mfpgpr): Ditto.
        (fctiwz): Ditto.
        (btruncdf2): Ditto.
        (btruncdf2_fpr): Ditto.
        (btructsf2): Ditto.
        (ceildf2): Ditto.
        (ceildf2_fpr): Ditto.
        (ceilsf2): Ditto.
        (floordf2): Ditto.
        (floordf2_fpr): Ditto.
        (floorsf2): Ditto.
        (rounddf2): Ditto.
        (rounddf2_fpr): Ditto.
        (roundsf2): Ditto.
        (fix_trunc<mode>si2): Combine SF/DF conversion into one insn.
        (fix_trunc<mode>di2): Ditto.
        (fixuns_trunc<mode>si2): Ditto.
        (fixuns_trunc<mode>di2): Ditto.
        (fctiwz_<mode>): Ditto.
        (btrunc<mode>2): Ditto.
        (btrunc<mode>2_fpr): Ditto.
        (ceil<mode>2): Ditto.
        (ceil<mode>2_fpr): Ditto.
        (floor<mode>2): Ditto.
        (float<mode>2_fpr): Ditto.
        (round<mode>2): Ditto.
        (round<mode>2_fpr): Ditto.
        (fix_trunc<mode>si2_stfiwx): New insn for machines with STFIWX.
        (fixuns_trunc<mode>si2_stfiwx): Ditto.
        (fix_truncdfsi2_internal): Ditto.
        (fix_trunc<mode>si2_mem): Combiner pattern to eliminate storing
        converted value on stack, loaded into GPR, and then stored into
        the final destination.
        (fix_trunc<mode>di2_fctidz): New pattern for targets supporting
        FCTIDZ.
        (lrint<mode>di2): New insn, provide the lrint builtin functions.
        (ftruncdf2): Delete, unused.
        (fix_trunctfsi2_internal): Use gen_fctiwz_df, not gen_fctiwz.

        * config/rs6000/vsx.md (toplevel): Update copyright year.
        (VSr2): Use "ws" contraint for DFmode, not "!r#r".
        (VSr3): Ditto.

2010-08-27  Basile Starynkevitch  <basile@starynkevitch.net>
            Jeremie Salvucci  <jeremie.salvucci@free.fr>

        * gengtype.c (output_type_enum): Test the right union member.

2010-08-27  Uros Bizjak  <ubizjak@gmail.com>

        PR target/41484
        * config/i386/sse.md (sse4_1_extendv8qiv8hi2): Also accept memory
        operands for operand 1.
        (sse4_1_extendv4qiv4si2): Ditto.
        (sse4_1_extendv2qiv2di2): Ditto.
        (sse4_1_extendv4hiv4si2): Ditto.
        (sse4_1_extendv2hiv2di2): Ditto.
        (sse4_1_extendv2siv2di2): Ditto.
        (sse4_1_zero_extendv8qiv8hi2): Ditto.
        (sse4_1_zero_extendv4qiv4si2): Ditto.
        (sse4_1_zero_extendv2qiv2di2): Ditto.
        (sse4_1_zero_extendv4hiv4si2): Ditto.
        (sse4_1_zero_extendv2hiv2di2): Ditto.
        (sse4_1_zero_extendv2siv2di2): Ditto.
        (*sse4_1_extendv8qiv8hi2): Remove insn pattern.
        (*sse4_1_extendv4qiv4si2): Ditto.
        (*sse4_1_extendv2qiv2di2): Ditto.
        (*sse4_1_extendv4hiv4si2): Ditto.
        (*sse4_1_extendv2hiv2di2): Ditto.
        (*sse4_1_extendv2siv2di2): Ditto.
        (*sse4_1_zero_extendv8qiv8hi2): Ditto.
        (*sse4_1_zero_extendv4qiv4si2): Ditto.
        (*sse4_1_zero_extendv2qiv2di2): Ditto.
        (*sse4_1_zero_extendv4hiv4si2): Ditto.
        (*sse4_1_zero_extendv2hiv2di2): Ditto.
        (*sse4_1_zero_extendv2siv2di2): Ditto.

2010-08-27  Nathan Froyd  <froydnj@codesourcery.com>

        * config/mips/mips-protos.h (mips_function_arg_advance): Delete
        (mips_function_arg): Delete.
        (mips_function_arg_boundary): Take a const_tree.
        * config/mips/mips.c (mips_function_arg_boundary): Likewise.
        (mips_arg_info): Likewise.
        (mips_setup_incoming_varargs): Call mips_function_arg_advance
        instead of FUNCTION_ARG_ADVANCE.
        (mips_function_arg_advance): Adjust prototype.  Make static.
        (mips_function_arg): Likewise.
        (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.
        * config/mips/mips.h (FUNCTION_ARG_ADVANCE, FUNCTION_ARG): Delete.

2010-08-27  Nathan Froyd  <froydnj@codesourcery.com>

        * config/rs6000/rs6000.h (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Delete.
        * config/rs6000/rs6000-protos.h (function_arg_advance): Delete.
        (function_arg): Delete.
        (function_arg_boundary): Take a const_tree.
        * config/rs6000/rs6000.c (function_arg_boundary): Likewise.
        (rs6000_spe_function_arg): Likewise.
        (rs6000_parm_start): Likewise.
        (rs6000_arg_size): Likewise.
        (rs6000_darwin64_record_arg_advance_recurse): Likewise.
        (rs6000_darwin64_record_arg): Likewise.  Take a bool instead of an int.
        (rs6000_mixed_function_arg): Likewise.
        (function_arg): Rename to...
        (rs6000_function_arg): ...this.
        (function_arg_advance): Rename to...
        (rs6000_function_arg_advance_1): ...this
        (rs6000_function_arg_advance): New function.  Call it.
        (setup_incoming_varargs): Call rs6000_function_arg_advance_1.
        (rs6000_return_in_memory): Adjust call to rs6000_darwin64_record_arg.
        (rs6000_function_value): Likewise.
        (TARGET_FUNCTION_ARG, TARGET_FUNCTION_ARG_ADVANCE): Define.

2010-08-27  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm.md (enabled): Test the value of arch_enabled
        rather than just using it.

2010-08-27  Olivier Hainque  <hainque@adacore.com>
            Eric Botcazou  <ebotcazou@adacore.com>

        * dse.c (group_info.base_mem, get_group_info): Use BLKmode to
        cover all the possible offsets from this base.
        (scan_reads_nospill): Pass base_mem's mode to canon_true_dependence.

2010-08-26  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/44485
        * calls.c (flags_from_decl_or_type): For const or pure
        noreturn functions return ECF_LOOPING_CONST_OR_PURE|ECF_NORETURN
        together with ECF_CONST resp. ECF_PURE.
        * builtins.c (expand_builtin): Use flags_from_decl_or_type
        instead of querying flags directly.
        * tree-ssa-loop-niter.c (finite_loop_p): Likewise.
        * tree-ssa-dce.c (find_obviously_necessary_stmts): Likewise.

2010-08-26  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/45255
        * tree.c (decl_address_invariant_p): DECL_DLLIMPORT_P statics
        and externals are also invariant.

2010-08-25  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/44858
        * combine.c (try_combine): If recog_for_combine added CLOBBERs to
        newi2pat, make sure they don't affect newpat.

        PR rtl-optimization/45400
        * combine.c (simplify_shift_const_1) <case SUBREG>: Only use
        SUBREG_REG if both modes are of MODE_INT class.

2010-08-25  Julian Brown  <julian@codesourcery.com>

        * config/arm/arm.c (arm_issue_rate): Return 2 for Cortex-A5.
        * config/arm/arm.md (generic_sched): No for Cortex-A5.
        (generic_vfp): Likewise.
        (cortex-a5.md): Include.
        * config/arm/cortex-a5.md: New.

2010-08-25  Richard Guenther  <rguenther@suse.de>

        * alias.c (get_alias_set): Assign a single alias-set to all pointers.
        * gimple.c (gimple_get_alias_set): Remove special handling
        for pointers.

2010-08-25  Bernd Schmidt  <bernds@codesourcery.com>

        PR middle-end/45355
        * combine.c (try_combine): Use reg_overlap_mentioned_p rather than
        dead_or_set_p when computing i0_feeds_i2_n.

        * combine.c (find_split_point): Undo canonicalization of multiply-add
        to (minus x (mult)) when it seems likely that this will increase the
        chances of a split.

2010-08-25  Richard Guenther  <rguenther@suse.de>

        PR lto/44562
        * lto-streamer.c (lto_record_common_node): Do not mess with
        TYPE_CANONICAL when not in lto.
        * gimple.c (gimple_register_type): Likewise.

2010-08-25  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/45316
        * tree-ssa-pre.c (eliminate): Properly clean EH info.

2010-08-25  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/45393
        * tree-ssa-math-opts.c (execute_cse_sincos_1): Properly transfer
        and clean EH info.  Avoid SSA update.
        (execute_cse_sincos): Cleanup the CFG if it has changed.

2010-08-25  Richard Guenther  <rguenther@suse.de>

        PR middle-end/45379
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Handle
        TARGET_MEM_REF in alignment computation.

2010-08-25  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/45059
        * tree-ssa-reassoc.c (eliminate_redundant_comparison): Strip useless
        type conversions from newop{1,2}.  Assert t is a comparison and
        newop{1,2} after the stripping are gimple vals.

2010-08-25  Tejas Belagod  <tejas.belagod@arm.com>

        * config/arm/iterators.md (VU, SE, V_widen_l): New.
        (V_unpack, US): New.
        * config/arm/neon.md (vec_unpack<US>_hi_<mode>): Expansion for vmovl.
        (vec_unpack<US>_lo_<mode>): Likewise.
        (neon_vec_unpack<US>_hi_<mode>): Instruction pattern for vmovl.
        (neon_vec_unpack<US>_lo_<mode>): Likewise.
        (vec_widen_<US>mult_lo_<mode>): Expansion for vmull.
        (vec_widen_<US>mult_hi_<mode>): Likewise.
        (neon_vec_<US>mult_lo_<mode>"): Instruction pattern for vmull.
        (neon_vec_<US>mult_hi_<mode>"): Likewise.
        (neon_unpack<US>_<mode>): Widening move intermediate step for
        vectorizing without -mvectorize-with-neon-quad.
        (neon_vec_<US>mult_<mode>): Widening multiply intermediate step
        for vectorizing without -mvectorize-with-neon-quad.
        * config/arm/predicates.md (vect_par_constant_high): Check for
        high-half lanes of a vector.
        (vect_par_constant_low): Check for low-half lanes of a vector.

2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c (struct ifc_dr): New.
        (IFC_DR): New.
        (DR_WRITTEN_AT_LEAST_ONCE): New.
        (DR_RW_UNCONDITIONALLY): New.
        (memref_read_or_written_unconditionally): Use the cached values
        when possible.
        (write_memref_written_at_least_once): Same.
        (if_convertible_loop_p): Initialize and free DR->aux fields.

2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>

        * gimple.c (gimple_could_trap_p_1): Not static anymore.
        Pass an extra bool parameter include_mem.
        (gimple_could_trap_p): Adjust call to gimple_could_trap_p_1.
        (gimple_assign_rhs_could_trap_p): Same.
        * gimple.h (gimple_could_trap_p_1): Declared.
        * tree-data-ref.h (same_data_refs_base_objects): New.
        (same_data_refs): New.
        * tree-if-conv.c (memrefs_read_or_written_unconditionally): New.
        (write_memrefs_written_at_least_once): New.
        (ifcvt_memrefs_wont_trap): New.
        (operations_could_trap): New.
        (ifcvt_could_trap_p): New.
        (if_convertible_gimple_assign_stmt_p): Call ifcvt_could_trap_p.
        Gets a vector of data refs.
        (if_convertible_stmt_p): Same.
        (if_convertible_loop_p_1): New.
        (if_convertible_loop_p): Call if_convertible_loop_p_1.

2010-08-24  Sebastian Pop  <sebastian.pop@amd.com>

        * common.opt (ftree-loop-if-convert-stores): New flag.
        * doc/invoke.texi (ftree-loop-if-convert-stores): Documented.
        * tree-if-conv.c (ifc_temp_var): Pass an extra parameter GSI.  Insert
        the created statement before GSI.
        (if_convertible_phi_p): Allow virtual phi nodes when
        flag_loop_if_convert_stores is set.
        (if_convertible_gimple_assign_stmt_p): Allow memory reads and writes
        Do not handle types that do not match is_gimple_reg_type.
        Remove loop and bb parameters.  Call gimple_could_trap_p instead of
        when flag_loop_if_convert_stores is set, as LHS can contain
        memory refs.
        (if_convertible_stmt_p): Remove loop and bb parameters.  Update calls
        to if_convertible_gimple_assign_stmt_p.
        (if_convertible_loop_p): Update call to if_convertible_stmt_p.
        (replace_phi_with_cond_gimple_assign_stmt): Renamed
        predicate_scalar_phi.  Do not handle virtual phi nodes.
        (ifconvert_phi_nodes): Renamed predicate_all_scalar_phis.
        Call predicate_scalar_phi.
        (insert_gimplified_predicates): Insert the gimplified predicate of a BB
        just after the labels for flag_loop_if_convert_stores, otherwise
        insert the predicate in the end of the BB.
        (predicate_mem_writes): New.
        (combine_blocks): Call predicate_all_scalar_phis.  When
        flag_loop_if_convert_stores is set, call predicate_mem_writes.
        (tree_if_conversion): Call mark_sym_for_renaming when
        flag_loop_if_convert_stores is set.
        (main_tree_if_conversion): Return TODO_update_ssa_only_virtuals when
        flag_loop_if_convert_stores is set.

2010-08-24  Anatoly Sokolov  <aesok@post.ru>

        * config/pa/pa.c (hppa_register_move_cost, pa_libcall_value,
        pa_function_value_regno_p, pa_print_operand_punct_valid_p): New.
        (pa_function_value): Make static.
        (override_options): Rename to...
        (pa_option_override): ...this. Make static.
        (TARGET_PRINT_OPERAND_PUNCT_VALID_P, TARGET_REGISTER_MOVE_COST,
        TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P,
        TARGET_OPTION_OVERRIDE): Define.
        * config/pa/pa.h (OVERRIDE_OPTIONS, FUNCTION_VALUE_REGNO_P,
        LIBCALL_VALUE, REGISTER_MOVE_COST, PRINT_OPERAND_PUNCT_VALID_P):
        Remove.
        * config/pa/pa-protos.h (override_options): Remove.

2010-08-24  Richard Guenther  <rguenther@suse.de>

        PR middle-end/45379
        * tree-ssa-address.c (create_mem_ref_raw): Drop to MEM_REF
        if addr->index is NULL or zero.
        * tree-ssa-alias.c (indirect_refs_may_alias_p): Handle
        TARGET_MEM_REF more properly.
        (indirect_ref_may_alias_decl_p): Likewise.
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Keep TARGET_MEM_REFs.
        * alias.c (ao_ref_from_mem): Handle TARGET_MEM_REF more properly.

2010-08-23  Anatoly Sokolov  <aesok@post.ru>

        * config/m32c/m32c.c (m32c_function_value_regno_p): Make static.
        (m32c_override_options): Rename to...
        (m32c_option_override): ...this. Make static.
        (TARGET_FUNCTION_VALUE_REGNO_P, TARGET_OPTION_OVERRIDE): Define.
        * config/m32c/m32c.h (OVERRIDE_OPTIONS, FUNCTION_VALUE_REGNO_P):
        Remove.
        * config/m32c/m32c-protos.h (m32c_override_options,
        m32c_function_value_regno_p): Remove.

2010-08-23  Changpeng Fang  <changpeng.fang@amd.com>

        * tree-ssa-loop-prefetch.c (gather_memory_references_ref) :
        Fix a typo in a previous commit.

2010-08-23  Kai Tietz  <kai.tietz@onevision.com>

        * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost):
        Pre-initialize innerloop_iters to one.

2010-08-23  Changpeng Fang  <changpeng.fang@amd.com>

        * tree-flow.h (may_be_nonaddressable_p): New definition. Make the
        existing static function global.

        * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): This function
        is changed to global.

        * tree-ssa-loop-prefetch.c (gather_memory_references_ref): Call
        may_be_nonaddressable_p on base, and don't collect this reference
        if the address of the base could not be taken.

2010-08-23  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/rs6000.opt (-mveclibabi=mass): New option to
        enable the compiler to autovectorize mathmetical functions for
        power7 using the Mathematical Acceleration Subsystem library.

        * config/rs6000/rs6000.c (rs6000_veclib_handler): New variable to
        handle which vector math library we have.
        (rs6000_override_options): Add -mveclibabi=mass support.
        (rs6000_builtin_vectorized_libmass): New function to handle auto
        vectorizing math functions that are in the MASS library.
        (rs6000_builtin_vectorized_function): Call it.

        * doc/invoke.texi (RS/6000 and PowerPC Options): Document
        -mveclibabi=mass.

2010-08-22  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR boehm-gc/34544
        * gthr-posix.h (__gthread_active_init): Delete.
        (__gthread_active_p): Do activity check here.
        Don't include errno.h on hppa-hpux.  Update comment.
        * gthr-posix95.h (__gthread_active_init): Delete.
        (__gthread_active_p): Do activity check here.
        Don't include errno.h on hppa-hpux.  Update comment.
        * config.gcc (hppa[12]*-*-hpux11*): Define extra_parts.
        * config/pa/pa64-hpux.h (LIB_SPEC): When -static is specified, only
        add -lpthread when -mt or -pthread is specified.
        * config/pa/pa-hpux11.h (LIB_SPEC): likewise.
        (LINK_GCC_C_SEQUENCE_SPEC): Define.
        * config/pa/t-pa-hpux11 (LIBGCCSTUB_OBJS): Define.
        (stublib.c, pthread_default_stacksize_np-stub.o,
        pthread_mutex_lock-stub.o, pthread_mutex_unlock-stub.o,
        $(T)libgcc_stub.a): Add methods.
        * config/pa/t-pa64 (LIBGCCSTUB_OBJS): Add pthread stubs.
        (stublib.c, pthread_default_stacksize_np-stub.o,
        pthread_mutex_lock-stub.o, pthread_mutex_unlock-stub.o): Add methods.
        * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
        pthread_mutex_unlock): New stubs.

2010-08-22  Joseph Myers  <joseph@codesourcery.com>

        * Makefile.in (gccspec.o, cppspec.o): Update dependencies.
        * common.opt (L, nodefaultlibs, nostdlib, pg, static): New
        options.
        * config/avr/avr.h (LIBSTDCXX): Remove initial "-l".
        * config/freebsd.h (MATH_LIBRARY_PROFILE): Remove initial "-l".
        * config/i386/djgpp.h (LIBSTDCXX): Remove initial "-l".
        * config/rs6000/aix.h (LIBSTDCXX_STATIC): Remove initial "-l".
        * config/s390/tpf.h (MATH_LIBRARY, LIBSTDCXX): Remove initial
        "-l".
        * cppspec.c: Include opts.h.
        (lang_specific_driver): Use cl_decoded_option structures.
        * doc/tm.texi.in (MATH_LIBRARY): Update documentation.
        * doc/tm.texi: Regenerate.
        * gcc.c (translate_options): Translate -d to -foutput-class-dir=.
        (driver_handle_option): Allow driver options needing no special
        processing.
        (process_command): Decode options before call to
        lang_specific_driver.  Pass decoded options to
        lang_specific_driver.
        * gcc.h (lang_specific_driver): Update prototype.
        * gccspec.c: Include opts.h.
        (lang_specific_driver): Use cl_decoded_option structures.
        * opts-common.c (option_ok_for_language, generate_option,
        generate_option_input_file): New.
        (decode_cmdline_option): Use option_ok_for_language.
        (decode_cmdline_options_to_array): Use generate_option_input_file.
        (handle_generated_option): Use generate_option.
        * opts.h (generate_option, generate_option_input_file): Declare.

2010-08-22  Anatoly Sokolov  <aesok@post.ru>

        * config/mips/mips.c (mips_override_options): Rename to...
        (mips_option_override): ...this. Make static.
        (TARGET_OPTION_OVERRIDE): Define.
        (mips_in_small_data_p): Update comment.
        * config/mips/mips.h (OVERRIDE_OPTIONS): Remove.
        (FIXED_REGISTERS): Update comment.
        * config/mips/mips-protos.h (mips_override_options): Remove.

2010-08-21  Olivier Hainque  <hainque@adacore.com>

        * config/rs6000/vxworks.h (TARGET_OS_CPP_BUILTINS): Define __PPC__.

2010-08-21  Olivier Hainque  <hainque@adacore.com>

        * config/rs6000/vxworks.h (PREFERRED_STACK_BOUNDARY,
        ABI_STACK_BOUNDARY): Ensure STACK_BOUNDARY is honored despite EABI.

2010-08-20  Jan Hubicka  <jh@suse.cz>

        * tree-pass.h (pass_ipa_cdtor_merge): New function.
        * cgraphunit.c (static_ctors, static_dtors): Move to ipa.c; make
        heap allocated.
        (record_cdtor_fn): Move to ipa.c; do not test for
        have_ctors_dtors.
        (build_cdtor): Move to ipa.c; add code avoiding construction
        when target have ctors/dtors and there is only one ctor/dtor at given
        priority.
        (compare_ctor, compare_dtor): Move to ipa.c; use DECL_UID to stabilize
        sort; reverse order of constructors.
        (cgraph_build_cdtor_fns): Move to ipa.c; rename to build_cdtor_fns.
        (cgraph_finalize_function): Do not call record_cdtor_fn.
        (cgraph_finalize_compilation_unit): Do not call cgraph_build_cdtor_fns.
        (cgraph_build_static_cdtor): Move to ipa.c.
        * ipa.c: Include target.h and tree-iterator.h.
        (cgraph_build_static_cdtor, static_ctors, static_dtors,
        record_cdtor_fn, build_cdtor, compare_ctor, compare_dtor,
        build_cdtor_fns, ipa_cdtor_merge, gate_ipa_cdtor_merge,
        pass_ipa_cdtor_merge): New.
        * passes.c (init_optimization_passes): Enqueue pass_ipa_cdtor_merge.
        * ipa-prop.c (update_indirect_edges_after_inlining): Avoid out of
        bounds access.

2010-08-20  Jan Hubicka  <jh@suse.cz>

        PR c++/45307
        PR c++/17736
        * cgraph.h (cgraph_only_called_directly_p,
        cgraph_can_remove_if_no_direct_calls_and_refs_p): Handle
        static cdtors.
        * cgraphunit.c (cgraph_decide_is_function_needed): Static cdtors
        are not needed.
        (cgraph_finalize_function): Static cdtors are reachable.
        (cgraph_mark_functions_to_output): Use cgraph_only_called_directly_p.

2010-08-20  Jan Hubicka  <jh@suse.cz>

        * lto-cgraph.c (lto_output_edge): Use gimple_has_body_p instead of
        flag_wpa.
        * lto-streamer-out.c (lto_output): Likewise.
        * passes.c (ipa_write_optimization_summaries): Initialize statement
        uids.

2010-08-20  Olivier Hainque  <hainque@adacore.com>

        * tree.h (alias_diag_flags): New enum.
        (alias_pair): Add an 'emitted_diags' field.
        * varasm.c (finish_aliases_1): Honor and update p->emitted_diags.
        (assemble_alias): Initialize emitted_diags of new pairs.

2010-08-20  Eric Botcazou  <ebotcazou@adacore.com>

        * config/rs6000/aix.h (STACK_CHECK_STATIC_BUILTIN): Define to 1.
        * config/rs6000/linux.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
        * config/rs6000/linux64.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
        (STACK_CHECK_PROTECT): Define.
        * config/rs6000/rs6000.c (rs6000_emit_probe_stack_range): New function.
        (output_probe_stack_range): Likewise.
        (rs6000_emit_prologue): Invoke rs6000_emit_probe_stack_range if static
        builtin stack checking is enabled.
        * config/rs6000/rs6000-protos.h (output_probe_stack_range): Declare.
        * config/rs6000/rs6000.md (UNSPECV_PROBE_STACK_RANGE): New constant.
        (probe_stack_range): New insn.

2010-08-20  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/45336
        * config/i386/emmintrin.h (_mm_extract_epi16): Cast to unsigned
        short first.

        * config/i386/smmintrin.h (_mm_extract_epi8): Cast to unsigned
        char first.

2010-08-20  Jakub Jelinek  <jakub@redhat.com>

        PR target/45336
        * config/i386/sse.md (*sse4_1_pextrb): Add SWI48 mode iterator
        to cover zero extension into 64-bit register.
        (*sse2_pextrw): Likewise.
        (*sse4_1_pextrd_zext): New insn.

2010-08-20  Iain Sandoe  <iains@gcc.gnu.org>

        revert r163410, partially revert r163267.
        * config/rs6000/darwin.h (LIB_SPEC): Remove.
        * config/darwin.h (REAL_LIBGCC_SPEC): Link lgcc for all
        Darwin versions.

2010-08-20  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/44974
        * builtins.c (expand_builtin): Don't optimize away
        calls to DECL_LOOPING_CONST_OR_PURE_P builtins.

2010-08-20  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (ashift %rsp splitter): Remove splitter.
        (pro_epilogue_adjust_stack_di_2): Use "l" constraint for
        alternative 1 of operand 2.

2010-08-20  Jakub Jelinek  <jakub@redhat.com>
            Paolo Bonzini  <bonzini@gnu.org>

        * simplify-rtx.c (simplify_unary_operation_1): Optimize
        (sign_extend (zero_extend (...)) and
        ({sign,zero}_extend (lshiftrt (ashift X (const_int I)) (const_int I))).

2010-08-20  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/45353
        * sel-sched-ir.c (sel_bb_head): Return NULL even if next_nonnote_insn
        after bb_note is a BARRIER.

2010-08-20  Iain Sandoe  <iains@gcc.gnu.org>

        * config/rs6000/darwin.h (LIB_SPEC): New. Provide saveFP/restFP by
        linking libgcc.a.

2010-08-20  Jakub Jelinek  <jakub@redhat.com>
            Michael Matz  <matz@suse.de>

        * tree-ssa-address.c (tree_mem_ref_addr): Convert offset to sizetype.

2010-08-20  Nathan Froyd  <froydnj@codesourcery.com>

        * ggc-common.c (ggc_mark_root_tab): New function, split out from...
        (ggc_mark_roots): ...here.

2010-08-20  Nathan Froyd  <froydnj@codesourcery.com>

        * vec.h (FOR_EACH_VEC_ELT): Define.
        * c-decl.c: Use it.
        * cfgloop.c: Likewise.
        * cfgloopmanip.c: Likewise.
        * cgraph.c: Likewise.
        * cgraphunit.c: Likewise.
        * combine.c: Likewise.
        * config/bfin/bfin.c: Likewise.
        * config/mips/mips.c: Likewise.
        * config/rs6000/rs6000.c: Likewise.
        * dbxout.c: Likewise.
        * df-scan.c: Likewise.
        * dominance.c: Likewise.
        * dse.c: Likewise.
        * dwarf2out.c: Likewise.
        * except.c: Likewise.
        * expr.c: Likewise.
        * function.c: Likewise.
        * gcse.c: Likewise.
        * genattr.c: Likewise.
        * ggc-common.c: Likewise.
        * gimplify.c: Likewise.
        * graphite-blocking.c: Likewise.
        * graphite-clast-to-gimple.c: Likewise.
        * graphite-dependences.c: Likewise.
        * graphite-interchange.c: Likewise.
        * graphite-poly.c: Likewise.
        * graphite-scop-detection.c: Likewise.
        * graphite-sese-to-poly.c: Likewise.
        * graphite.c: Likewise.
        * haifa-sched.c: Likewise.
        * ifcvt.c: Likewise.
        * implicit-zee.c: Likewise.
        * ipa-prop.c: Likewise.
        * ipa-struct-reorg.c: Likewise.
        * ipa.c: Likewise.
        * ira-build.c: Likewise.
        * ira-color.c: Likewise.
        * ira-emit.c: Likewise.
        * lambda-code.c: Likewise.
        * loop-invariant.c: Likewise.
        * loop-unroll.c: Likewise.
        * lower-subreg.c: Likewise.
        * lto-cgraph.c: Likewise.
        * lto-opts.c: Likewise.
        * lto-streamer-in.c: Likewise.
        * lto-streamer-out.c: Likewise.
        * lto-streamer.c: Likewise.
        * lto-symtab.c: Likewise.
        * matrix-reorg.c: Likewise.
        * opts.c: Likewise.
        * predict.c: Likewise.
        * print-tree.c: Likewise.
        * sdbout.c: Likewise.
        * sel-sched-dump.c: Likewise.
        * sel-sched-ir.c: Likewise.
        * sel-sched.c: Likewise.
        * sese.c: Likewise.
        * stor-layout.c: Likewise.
        * tree-cfg.c: Likewise.
        * tree-cfgcleanup.c: Likewise.
        * tree-chrec.c: Likewise.
        * tree-data-ref.c: Likewise.
        * tree-emutls.c: Likewise.
        * tree-inline.c: Likewise.
        * tree-into-ssa.c: Likewise.
        * tree-loop-distribution.c: Likewise.
        * tree-loop-linear.c: Likewise.
        * tree-mudflap.c: Likewise.
        * tree-outof-ssa.c: Likewise.
        * tree-parloops.c: Likewise.
        * tree-predcom.c: Likewise.
        * tree-pretty-print.c: Likewise.
        * tree-scalar-evolution.c: Likewise.
        * tree-ssa-live.c: Likewise.
        * tree-ssa-loop-im.c: Likewise.
        * tree-ssa-loop-ivcanon.c: Likewise.
        * tree-ssa-loop-ivopts.c: Likewise.
        * tree-ssa-loop-manip.c: Likewise.
        * tree-ssa-loop-niter.c: Likewise.
        * tree-ssa-loop-prefetch.c: Likewise.
        * tree-ssa-phiprop.c: Likewise.
        * tree-ssa-pre.c: Likewise.
        * tree-ssa-reassoc.c: Likewise.
        * tree-ssa-sccvn.c: Likewise.
        * tree-ssa-structalias.c: Likewise.
        * tree-ssa.c: Likewise.
        * tree-vect-data-refs.c: Likewise.
        * tree-vect-loop-manip.c: Likewise.
        * tree-vect-loop.c: Likewise.
        * tree-vect-patterns.c: Likewise.
        * tree-vect-slp.c: Likewise.
        * tree-vect-stmts.c: Likewise.
        * tree-vrp.c: Likewise.
        * tree.c: Likewise.
        * value-prof.c: Likewise.
        * var-tracking.c: Likewise.
        * varasm.c: Likewise.
        * vmsdbgout.c: Likewise.

2010-08-19  Nathan Sidwell  <nathan@codesourcery.com>
            Richard Guenther  <richard.guenther@gmail.com>

        * gimplify.c (gimplify_modify_expr): When assigning to volatiles,
        copy the src value and return a copy.
        * doc/extend.texi (Volatiles): Move from C++ to C and expand.
        (C++ Volatiles): Adjust to describe C++ semantics only.

2010-08-20  Joseph Myers  <joseph@codesourcery.com>

        * doc/tm.texi.in (PIC_OFFSET_TABLE_REG_CALL_CLOBBERED): Document to
        be zero or nonzero.
        * doc/tm.texi: Regenerate.
        * defaults.h (PIC_OFFSET_TABLE_REG_CALL_CLOBBERED): Define.
        * df-scan.c (df_get_exit_block_use_set), reginfo.c
        (init_reg_sets_1), rtlanal.c (rtx_unstable_p, rtx_varies_p):
        Handle new PIC_OFFSET_TABLE_REG_CALL_CLOBBERED semantics.
        * config/ia64/ia64.h (PIC_OFFSET_TABLE_REG_CALL_CLOBBERED): Define
        to 1.

2010-08-20  Olivier Hainque  <hainque@adacore.com>

        * config/sparc/sparc.c (sparc_asm_function_epilogue): Don't output
        an extra nop past a sibling call at the very end.

2010-08-19  Bernd Schmidt  <bernds@codesourcery.com>

        PR bootstrap/45350
        * combine.c (try_combine): Initialize i1_is_used and i2_is_used.  Fix
        a comment.

2010-08-19  Nathan Froyd  <froydnj@codesourcery.com>

        * target.def (function_arg, function_incoming_arg): Remove const
        qualifier on CUMULATIVE_ARGS parameter.
        * targhooks.h (default_function_arg, default_function_incoming_arg):
        Likewise.
        * targhooks.c (default_function_arg, default_function_incoming_arg):
        Likewise.
        * config/i386/i386.c (ix86_function_arg): Likewise.

2010-08-19  Jakub Jelinek  <jakub@redhat.com>

        PR target/45336
        * simplify-rtx.c (simplify_unary_operation_1): Optimize nested
        SIGN_EXTENDs or ZERO_EXTENDs.

2010-08-19  Bernd Schmidt  <bernds@codesourcery.com>

        PR target/42172
        * combine.c (combine_validate_cost): New arg I0.  All callers changed.
        Take its cost into account if nonnull.
        (insn_a_feeds_b): New static function.
        (combine_instructions): Look for four-insn combinations.
        (can_combine_p): New args PRED2, SUCC2.  All callers changed.  Take
        them into account when computing all_adjacent and looking for other
        uses.
        (combinable_i3pat): New args I0DEST, I0_NOT_IN_SRC.  All callers
        changed.  Treat them like I1DEST and I1_NOT_IN_SRC.
        (try_combine): New arg I0.  Handle four-insn combinations.
        (distribute_notes): New arg ELIM_I0.  All callers changed.  Treat it
        like ELIM_I1.

2010-08-19  Jason Merrill  <jason@redhat.com>

        PR c++/45307
        * gimplify.c (gimplify_init_constructor): Just return GS_UNHANDLED
        if ctor is empty.
        (gimplify_modify_expr_rhs): Adjust.

2010-08-19  Nathan Froyd  <froydnj@codesourcery.com>

        * cfgloop.c (get_loop_body_in_bfs_order): Avoid redundant call to
        bitmap_bit_p.
        * config/bfin/bifn.c (bfin_discover_loop): Likewise.
        * dominance.c (iterate_fix_dominators): Likewise.
        * dse.c (set_usage_bits): Likewise.
        (set_position_unneeded, record_store): Likewise.
        * gimple-fold.c (get_maxval_strlen): Likewise.
        * haifa-sched.c (fix_inter_tick, fix_recovery_deps): Likewise.
        * ipa-inline.c (update_caller_keys): Likewise.
        * ipa-split.c (verify_non_ssa_vars): Likewise.
        * ipa-type-escape.c (mark_type, close_type_seen): Likewise.
        (close_type_exposed_parameter, close_type_full_escape): Likewise.
        (close_addressof_down): Likewise.
        * ira-color.c (assign_hard_reg, push_allocno_to_stack): Likewise.
        (setup_allocno_left_conflicts_size): Likewise.
        (ira_reassign_conflict_allocnos): Likewise.
        (ira_reassign_pseudos): Likewise.
        * ira-emit.c (change_loop): Likewise.
        * loop-invariant.c (mark_regno_live, mark_regno_death): Likewise.
        * lto-streamer-out.c (write_symbol): Likewise.
        * predict.c (expr_expected_value_1): Likewise.
        * regstat.c (regstat_bb_compute_ri): Likewise.
        * sel-sched.c (create_block_for_bookkeeping): Likewise.
        (track_scheduled_insns_and_blocks, sel_sched_region_1): Likewise.
        * stmt.c (expand_case): Likewise.
        * tree-eh.c (emit_eh_dispatch): Likewise.
        * tree-into-ssa.c (prune_unused_phi_nodes): Likewise.
        * tree-loop-distribution.c (make_nodes_having_upstream_mem_writes):
        Likewise.
        (rdg_flag_vertex, rdg_flag_loop_exits): Likewise.
        (rdg_build_components): Likewise.
        * tree-object-size.c (collect_object_sizes_for): Likewise.
        * tree-sra.c (convert_callers): Likewise.
        * tree-ssa-coalesce.c (live_track_add_partition): Likewise.
        * tree-ssa-live.c (mark_all_vars_used_1): Likewise.
        * tree-ssa-pre.c (bitmap_set_replace_value): Likewise.

2010-08-19  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*lea_1): Use P mode iterator.
        (lea add splitter): Also handle DImode operands.
        (DImode lea add splitter): Use x86_64_immediate_operand for operand 2
        predicate.  Do not use ix86_lea_for_add_ok.
        (zext DImode lea add splitter): Use ix86_lea_for_add_ok.
        (lea ashift splitter): Also handle DImode operands.
        (DImode lea ashift splitter): Remove splitter.

2010-08-19  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*add<SWI:mode>3_cconly_overflow): Do not use
        ix86_binary_operator_ok.

2010-08-19  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/44691
        * sel-sched.c (count_occurrences_1): Also punt when SUBREG_REG
        is not a register.

2010-08-19  Ian Bolton  <ian.bolton@arm.com>

        PR target/45070
        * config/arm/arm.c (arm_output_epilogue): Ensure that return
         value of size 1-3 is handled correctly.

2010-08-19  Ian Bolton  <ian.bolton@arm.com>

        * tree-switch-conversion.c (gen_inbound_check): Ensure that the
        type for the conditional has wide enough range.

2010-08-18  Uros Bizjak  <ubizjak@gmail.com>

        PR target/45327
        * config/i386/i386.md (<any_or:code><SWI:mode>_3): Do not use
        ix86_binary_operator_ok.

2010-08-18  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*add<mode>_1) <TYPE_LEA>: Split insn to lea.
        <default>:  Swap operands 1 and 2 for alternative 2 to use existing
        code to output insn mnemonic.  Fix comment.
        (*addsi_1_zext): Add r-r-0 alternative 1.
        <TYPE_LEA>: Split insn to lea.
        <default>: Handle alternative 1.
        (*addhi_1_lea): Add r-r-0 alternative 2.  Use cond RTX instead of
        multi-level if_then_else RTX to set "type" attribute.
        <default>: Handle alternative 2.
        (*addqi_1_lea): Add q-q-0 alternative 2 and r-r-0 alternative 4.
        Use cond RTX instead of multi-level if_then_else RTX to set
        "type" attribute.
        <default>: Handle alternatives 2 and 4.
        (lea splitters): Update calls to ix86_lea_for_add_ok.

        * config/i386/i386.c (ix86_lea_for_add_ok): Remove unused "code"
        argument.
        * config/i386/i386-protos.h (ix86_lea_for_add_ok): Update prototype.

2010-08-18  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-uninit.c (find_uninit_use): Disregard debug stmts,
        use operand helpers.

2010-08-18  Paolo Bonzini  <bonzini@gnu.org>

        PR middle-end/45292
        * optabs.c (expand_bool_compare_and_swap): Expand pending
        pops before trying the optab.

2010-08-18  Yao Qi  <yao@codesourcery.com>

        PR target/45094
        * config/arm/arm.c (output_move_double): Fix typo generating
        instructions ('ldr'->'str').

2010-08-18  Maxim Kuvyrkov  <maxim@codesourcery.com>

        PR rtl-optimization/42575
        * optabs.c (expand_doubleword_mult): Generate new pseudos to shorten
        live ranges.

2010-08-18  Marcus Shawcroft  <marcus.shawcroft@arm.com>

        * config/arm/arm-protos.h (arm_expand_sync): New.
        (arm_output_memory_barrier, arm_output_sync_insn): New.
        (arm_sync_loop_insns): New.
        * config/arm/arm.c (FL_ARCH7): New.
        (FL_FOR_ARCH7): Include FL_ARCH7.
        (arm_arch7): New.
        (arm_print_operand): Support %C markup.
        (arm_legitimize_sync_memory): New.
        (arm_emit, arm_insn_count, arm_count, arm_output_asm_insn): New.
        (arm_process_output_memory_barrier, arm_output_memory_barrier): New.
        (arm_ldrex_suffix, arm_output_ldrex, arm_output_strex): New.
        (arm_output_op2, arm_output_op3, arm_output_sync_loop): New.
        (arm_get_sync_operand, FETCH_SYNC_OPERAND): New.
        (arm_process_output_sync_insn, arm_output_sync_insn): New.
        (arm_sync_loop_insns,arm_call_generator, arm_expand_sync): New.
        * config/arm/arm.h (struct arm_sync_generator): New.
        (TARGET_HAVE_DMB, TARGET_HAVE_DMB_MCR): New.
        (TARGET_HAVE_MEMORY_BARRIER): New.
        (TARGET_HAVE_LDREX, TARGET_HAVE_LDREXBHD): New.
        * config/arm/arm.md: Include sync.md.
        (UNSPEC_MEMORY_BARRIER): New.
        (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK): New.
        (VUNSPEC_SYNC_OP):New.
        (VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): New.
        (sync_result, sync_memory, sync_required_value): New attributes.
        (sync_new_value, sync_t1, sync_t2): Likewise.
        (sync_release_barrier, sync_op): Likewise.
        (length): Add logic to length attribute defintion to call
        arm_sync_loop_insns when appropriate.
        * config/arm/sync.md: New file.

2010-08-17  Jakub Jelinek  <jakub@redhat.com>

        * tree.h (host_integerp): Add ATTRIBUTE_PURE when not
        ENABLE_TREE_CHECKING.
        (tree_low_cst): Add inline version for !ENABLE_TREE_CHECKING
        and GCC >= 4.3.

2010-08-17  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_lea_for_add_ok): For !TARGET_OPT_AGU
        or optimizing for size, always avoid lea if possible.

        * config/i386/i386.md (*add<mode>_1): Always avoid lea if possible.

2010-08-17  Iain Sandoe  <iains@gcc.gnu.org>

        * unwind-dw2-fde-darwin.c (_darwin10_Unwind_FindEnclosingFunction):
        Dunmmy function with NULL return unless the target is
        OSX >= 10.6 (Darwin10).

2010-08-17  Jack Howarth  <howarth@bromo.med.uc.edu>

        * gcc.c (spec_function): Add remove-outfile.
        (remove_outfile_spec_function): New function.
        * config/darwin.h (LINK_SPEC): Add removal of -ldl, -lm and -lpthread.
        * invoke.texi (replace-outfile): Document.

2010-08-17  Uros Bizjak  <ubizjak@gmail.com>

        PR target/45296
        * reginfo.c (globalize_reg): Reject stack registers.

2010-08-17  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-dom.c (struct edge_info): Use a VEC for the
        list of conditional equivalences.
        (free_all_edge_infos): Adjust.
        (record_equivalences_from_incoming_edge): Likewise.
        (record_cond): Likewise.
        (build_and_record_new_cond): Likewise.
        (record_conditions): Likewise.
        (dom_opt_leave_block): Likewise.

2010-08-17  Kai Tietz  <kai.tietz@onevision.com>

        * doc/invoke.texi (ms-extension): Add documentation.

2010-08-17  Richard Guenther  <rguenther@suse.de>

        * fold-const.c (fold_comparison): Strip nops inside POINTER_PLUS_EXPR.

2010-08-17  Shujing Zhao  <pearly.zhao@oracle.com>

        PR c/40563
        * c-decl.c (diagnose_uninitialized_cst_member): New function.
        (finish_decl): Use it to issue a -Wc++-compat warning about
        uninitialized const field in struct or union.

        (finish_struct): Use strip_array_types.

2010-08-17  Jakub Jelinek  <jakub@redhat.com>

        * function.c (block_fragments_nreverse, blocks_nreverse_all): New
        functions.
        (reorder_blocks): Use blocks_nreverse_all instead of blocks_nreverse.
        (reorder_blocks_1): Assert BLOCK_FRAGMENT_ORIGIN is NULL.  Don't
        call block_nreverse here.
        (blocks_nreverse): Rename decl temporary to block.

2010-08-16  Bernd Schmidt  <bernds@codesourcery.com>

        * config/arm/thumb2.md (thumb2_notsi_shiftsi,
        thumbsi_notsi_shiftsi_compare0, thumb2_not_shiftsi_compare0_scratch,
        thumb2_cmpsi_shiftsi, thumb2_cmpsi_shiftsi_swp, thumb2_arith_shiftsi,
        thumb2_arith_shiftsi splitter, thumb2_arith_shiftsi_compare0,
        thumb2_arith_shiftsi_compare0_scratch, thumb2_sub_shiftsi,
        thumb2_sub_shiftsi_compare0, thumb2_sub_shiftsi_compare0_scratch,
        thumb2_iorsi3): Delete.
        (orsi_notsi_si): No longer a named pattern.
        (orsi_not_shiftsi_si): Renamed from thumb_orsi_not_shiftsi_si.
        * config/arm/predicates.md (shift_amount_operand): New.
        (mult_operator): New.
        * config/arm/arm.md (attr arch, attr arch_enabled, attr insn_enabled,
        attr enabled): New.
        (iorsi3_insn): Renamed from arm_iorsi3.  Handle a new alternative if
        arch matches t2.
        (not_shiftsi): Renamed from arm_notsi_shiftsi.  Handle Thumb2 variant.
        (not_shiftsi_compare0): Likewise, renamed from
        arm_notsi_shiftsi_compare0.
        (not_shiftsi_compare0_scratch): Likweise, renamed from
        arm_notsi_shiftsi_compare0_scratch.
        (cmpsi_shiftsi): Likewise, renamed from arm_cmpsi_shiftsi.
        (cmpsi_shiftsi_swp): Likewise, renamed from arm_cmpsi_shiftsi_swp.
        (arith_shiftsi): Handle Thumb2 variant.  Set insn_enabled attribute
        so that the register alternative is disabled when the shift_operator
        is MULT.  Use "M" as the constraint for constants.
        (arith_shiftsi splitter): Enable for TARGET_32BIT.
        (arith_shiftsi_compare0): Handle Thumb2 variant.  Use "M" as the
        constraint for constants.
        (arith_shiftsi_compare0_scratch): Likewise.
        (sub_shiftsi, sub_shiftsi_compare0, sub_shiftsi_compare0_scratch):
        Handle Thumb2 alternative.

2010-08-16  Joseph Myers  <joseph@codesourcery.com>

        * doc/options.texi (NoDriverArg): Document.
        * gcc.c (cpp_unique_options): Generate -MD and -MMD instead of
        -MDX and -MMDX.
        * opt-functions.awk (switch_flags): Handle NoDriverArg.
        * opts-common.c (decode_cmdline_option): Ignore CL_SEPARATE
        marking for CL_NO_DRIVER_ARG options when in the driver.
        * opts.h (CL_NO_DRIVER_ARG): Define.
        (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_DRIVER, CL_TARGET,
        CL_COMMON): Update values.

2010-08-16  Joseph Myers  <joseph@codesourcery.com>

        * common.opt: Add driver options.
        (auxbase, auxbase-strip, quiet, version): Mark RejectDriver.
        * doc/options.texi (Driver, RejectDriver): Document.
        * gcc.c (pass_exit_codes, print_search_dirs, print_file_name,
        print_prog_name, print_multi_directory, print_sysroot,
        print_multi_os_directory, print_multi_lib,
        print_sysroot_headers_suffix, report_times, combine_flag,
        use_pipes, wrapper_string): Remove.
        (save_switch, driver_unknown_option_callback,
        driver_wrong_lang_callback, driver_post_handling_callback,
        driver_handle_option): New.
        (spec_lang, last_language_n_infiles): Make file-scope static
        instead of local to process_command.
        (process_command): Use decode_cmdline_options_to_array and
        read_cmdline_option for option processing.  Compute have_c in
        prescan of decoded options.
        * opt-functions.awk (switch_flags): Handle Driver and
        RejectDriver.
        (var_type, var_type_struct): Handle Separate options as generating
        const char * variables.
        * opts-common.c (decode_cmdline_option): Expect CL_COMMON and
        CL_TARGET to be passed by caller if required.
        (decode_cmdline_options_to_array): Update comment.
        * opts.c (complain_wrong_lang): Handle options only valid for the
        driver.
        (decode_options): Update call to decode_cmdline_options_to_array.
        (print_filtered_help): Ignore driver-only options.
        (print_specific_help): Ignore CL_DRIVER.
        (common_handle_option): Don't call print_specific_help for CL_DRIVER.
        * opts.h (CL_DRIVER, CL_REJECT_DRIVER): Define.
        (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_TARGET, CL_COMMON):
        Update values.

2010-08-16  Richard Guenther  <rguenther@suse.de>

        * tree-cfg.c (verify_types_in_gimple_reference): Verify
        TARGET_MEM_REF a bit.
        * tree-ssa-address.c (addr_for_mem_ref): Adjust.
        (create_mem_ref_raw): Always create TMR_OFFSET, store the
        alias pointer type via it.
        (copy_mem_ref_info): Adjust.
        (maybe_fold_tmr): Likewise.
        * tree.c (mem_ref_offset): Also handle TARGET_MEM_REF.
        (reference_alias_ptr_type): Likewise.
        * tree.def (TARGET_MEM_REF): Remove TMR_ORIGINAL operand,
        adjust documentation of TMR_OFFSET operand.
        * alias.c (get_alias_set): Do not look at TMR_ORIGINAL but
        use the alias pointer type.
        * expr.c (expand_expr_real_1): Do not use TMR_ORIGINAL to
        initialize mem attrs but the TMR itself.
        * tree-eh.c (tree_could_trap_p): Handle TARGET_MEM_REF
        similar to MEM_REF.
        * tree-pretty-print.c (dump_generic_node): Do not dump TMR_ORIGINAL.
        * tree-ssa-loop-ivopts.c (idx_remove_ssa_names): Remove.
        (unshare_and_remove_ssa_names): Likewise.
        (copy_ref_info): Adjust.
        * tree-ssa-pre.c (create_component_ref_by_pieces_1): Simplify
        TARGET_MEM_REF case.
        * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Do not look
        at TMR_ORIGINAL.
        * tree.h (TMR_ORIGINAL): Remove.
        * gimple.c (get_base_address): For TARGET_MEM_REF with a
        symbol return that.
        * tree-dfa.c (get_ref_base_and_extent): Handle TARGET_MEM_REF
        with a symbol.
        (get_addr_base_and_unit_offset): Likewise.
        * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Handle
        TARGET_MEM_REFs.
        (indirect_ref_may_alias_decl_p): Likewise.
        (refs_may_alias_p_1): Do not bail out for TARGET_MEM_REFs.

2010-08-15  Uros Bizjak  <ubizjak@gmail.com>

        * doc/invoke.texi (-fomit-frame-pointer): Document that starting
        with GCC version 4.6, the default setting (when not optimizing
        for size) for 32-bit Linux x86 and 32-bit Darwin x86 targets has
        been changed to -fomit-frame-pointer.

2010-08-15  Iain Sandoe  <iains@gcc.gnu.org>

        * config/darwin.h (REAL_LIBGCC_SPEC): Remove libgcc_s.10.5 stub for
        Darwin10.  Do not link libgcc.a for Darwin >= 9.

2010-08-15  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/invoke.texi (Warning Options): Fix terminology and markup
        in the description of how unknown warning options are handled.

2010-08-15  Ira Rosen  <irar@il.ibm.com>

        * tree-vect-data-refs.c (vect_setup_realignment): Support realignment
        in basic blocks.
        (vect_supportable_dr_alignment): Check alignment for basic blocks.
        * tree-vect-slp.c (vect_build_slp_tree): Allow different codes for
        data references.
        (vect_bb_vectorization_profitable_p): New function.
        (vect_slp_analyze_bb): Call vect_bb_vectorization_profitable_p() to
        check if it's worthwhile to vectorize the basic block.

2010-08-14  Anatoly Sokolov  <aesok@post.ru>

        * reload.h (register_move_cost, memory_move_secondary_cost,
        secondary_reload_class): Adjust prototype.
        * rtl.h (reg_class_subset_p): Adjust prototype.
        * reload.c (secondary_reload_class): Change arguments type from
        enum reg_class to reg_class_t. Change result type to reg_class_t.
        * reginfo.c (register_move_cost, reg_class_subset_p): Change
        arguments type from enum reg_class to reg_class_t.
        (memory_move_secondary_cost): Change arguments type from
        enum reg_class to reg_class_t. Change type of saved_flags to
        reg_class_t.

        * config/mips/mips.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
        Remove macros.
        (mips_cost): Remove.
        (struct mips_rtx_cost_data): Moved to mips.c.
        * config/mips/mips-protos.h (mips_register_move_cost): Remove.
        * config/mips/mips.c (struct mips_rtx_cost_data): Moved from mips.h.
        (mips_cost): Make static.
        (mips_canonicalize_move_class): Change argument type to reg_class_t.
        Change result type to reg_class_t.
        (mips_move_to_gpr_cost, mips_move_from_gpr_cost): Change arguments
        type from enum reg_class to reg_class_t.
        (mips_register_move_cost): Make static. Change arguments
        type from enum reg_class to reg_class_t.
        (mips_memory_move_cost): New function.
        (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.

2010-08-14  Richard Sandiford  <rdsandiford@googlemail.com>

        PR rtl-optimization/43358
        * ira-lives.c (process_single_reg_class_operands): Adjust the costs
        of a single hard register, using simplify_subreg_regno to decide
        what that register should be.

2010-08-14  Mingjie Xing  <mingjie.xing@gmail.com>

        * config/mips/mips.c (CODE_FOR_loongson_pmullh): Define.
        * config/mips/loongson.md (UNSPEC_LOONGSON_PMULL): Delete.
        (loongson_pmull<V_suffix>): Rename to...
        (mul<mode>3): ...this and use MULT instead of an UNSPEC.

2010-08-13  Jack Howarth  <howarth@bromo.med.uc.edu>

        * configure.ac: Enable -fomit-frame-pointer on darwin
        which support dwarf2.
        * config/i386/i386.c (override_options): Same.

2010-08-13  Jie Zhang  <jie@codesourcery.com>

        * config/arm/arm.md (cstoredf4): Only valid when !TARGET_VFP_SINGLE.

2010-08-12  Joseph Myers  <joseph@codesourcery.com>

        * gcc.c (cpp_unique_options): Generate -MDX and -MMDX from -MD and
        -MMD.

2010-08-12  Changpeng Fang  <changpeng.fang@amd.com>

        * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Give
        up dot_prod pattern searching if a stmt is outside the loop.

2010-08-12  H.J. Lu  <hongjiu.lu@intel.com>
            Uros Bizjak  <ubizjak@gmail.com>

        * config.gcc: Handle --enable-frame-pointer.

        * configure.ac: Add --enable-frame-pointer.
        * configure: Regenerated.

        * config/i386/i386.c (USE_IX86_FRAME_POINTER): Default to 0.
        (override_options): If not configured with --enable-frame-pointer,
        enable -fomit-frame-pointer (but not for TARGET_MACHO or when
        optimizing for size), -fasynchronous-unwind-tables and
        -maccumulate-outgoing-args by default.

2010-08-12  Jakub Jelinek  <jakub@redhat.com>

        * builtins.c (fold_builtin_memory_op): Avoid -Wsign-compare warning.

        PR middle-end/45262
        * fold-const.c (make_range) <case NEGATE_EXPR>: Punt if
        -a overflows.  Normalize the range.

2010-08-12  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/45232
        * tree-ssa-reassoc.c (can_reassociate_p): Disable re-association
        for types with undefined overflow.
        (reassociate_bb): Allow re-associating of bit and min/max
        operations for types with undefined overflow.
        * tree-ssa-forwprop.c (associate_plusminus): New function.
        (tree_ssa_forward_propagate_single_use_vars): Call it.

2010-08-12  Richard Guenther  <rguenther@suse.de>

        * tree-flow.h (struct ptr_info_def): Add align and misalign fields.
        * tree-ssa-alias.c (get_ptr_info): Move ...
        * tree-ssanames.c (get_ptr_info): ... here.  Initialize
        align and misalign fields conservatively.
        * tree-ssa-ccp.c (ccp_finalize): From partially constant pointers
        derive alignment information.
        (evaluate_stmt): Derive alignment information from memory
        allocation functions.
        * tree.h (get_pointer_alignment): Make unsigned.
        * builtins.c (get_object_alignment): Use alignment information we
        have computed for pointers.
        (get_pointer_alignment): Likewise.  Make conservative, return
        and unsigned value.
        (expand_builtin_strlen): Adjust.
        (expand_builtin_memcmp): Likewise.
        (expand_builtin_strcmp): Likewise.
        (expand_builtin_strncmp): Likewise.
        (get_builtin_sync_mem): Use at least mode alignment.
        (fold_builtin_memset): Adjust.
        (fold_builtin_memory_op): Likewise.
        * gimple-pretty-print.c (dump_gimple_phi): Alongside alias
        information also dump pointer alignment knowledge.
        (dump_gimple_stmt): Likewise.

2010-08-12  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (LONG_TYPE_SIZE): Remove.
        (EMPTY_FIELD_BOUNDARY): Remove.
        * config/i386/i386-interix.h (PCC_BITFIELD_TYPE_MATTERS): Remove.

2010-08-12  Jakub Jelinek  <jakub@redhat.com>

        PR debug/45259
        * caller-save.c (save_call_clobbered_regs): Only swap notes with
        DEBUG_INSNs if n_regs_saved.

2010-08-12  Wei Guozhi  <carrot@google.com>

        PR target/44999
        * config/arm/arm.md (andsi3): Change to zero extension if possible.
        * config/arm/thumb2.md (thumb2_zero_extendqisi2_v6): Change the name.

2010-08-11  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-int.h (ira_remove_allocno_copy_from_list): Remove.

        * ira-build.c (ira_remove_allocno_copy_from_list): Remove.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add back
        the case removed in the previous patch, when the only phi argument
        is defined in the same loop as the phi node itself.  Handle it
        separately from the invariant case by both propagating it outside
        the region and replacing the phi node with an assign.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): The only
        constant phi nodes with one argument are is_gimple_min_invariant
        and SSA_NAME_IS_DEFAULT_DEF.

2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>

        * graphite-cloog-util.c (oppose_constraint):
        Extend loop counter's value range (CLOOG_ORG).
        (cloog_matrix_to_ppl_constraint): Same.
        (new_Constraint_System_from_Cloog_matrix): Same.
        * graphite-cloog-compat.h (matrix_num_type): New.

2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>

        * graphite.c (graphite_initialize): Do not initialize
        CLooG and initialize the Parma Polyhedra Library
        manually when using CLOOG_ORG.
        (graphite_finalize): Do not finalize CLooG and finalize
        the Parma Polyhedra Library manually when using CLOOG_ORG.
        * graphite-cloog-compat.h (cloog_initialize): Hide function
        when using CLOOG_ORG.
        (cloog_finalize): Same.

2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>

        * graphite-clast-to-gimple.c (free_scattering): Change
        CloogDomainList/CloogDomain to CloogScatteringList/CloogScattering
        (CLOOG_ORG).
        (build_cloog_prog): Same.
        * graphite-cloog-compat.h (cloog_domain): Removed.
        (cloog_scattering): New.
        (cloog_set_domain): Removed.
        (cloog_set_scattering): New.
        (cloog_next_domain): Removed.
        (cloog_next_scattering): New.
        (cloog_set_next_domain): Removed.
        (cloog_set_next_scattering): New.
        (CloogScatteringList): New.
        (CloogScattering): New.
        (cloog_scattering_free): New.
        (new_Cloog_Scattering_from_ppl_Polyhedron): New.
        * graphite-cloog-util.c (new_Cloog_Scattering_from_ppl_Polyhedron):
        New.

2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>

        * graphite-clast-to-gimple.c (build_cloog_prog): Extend with
        CloogState.
        (set_cloog_options): Same.
        (print_clast_stmt): Same.
        (scop_to_clast): Same.
        (print_generated_program): Same.
        (gloog): Same.
        * graphite-clast-to-gimple.h: Include graphite-cloog-util.h.
        (scop_to_clast): Extend with CloogState.
        * graphite-cloog-util.c: Include graphite-cloog-compat.h
        (new_Cloog_Domain_from_ppl_Polyhedron):
        Extend with CloogState.  Use cloog_domain_from_cloog_matrix (CLOOG_ORG).
        (new_Cloog_Domain_from_ppl_Pointset_Powerset): Extend with CloogState.
        (new_Cloog_Domain_from_ppl_Polyhedron): Same.
        * graphite-cloog-util.h (build_cloog_prog): Same.
        * graphite-cloog-copat.h (build_cloog_prog): New.
        (CloogState): New.
        (cloog_state_malloc): New.
        (cloog_state_free): New.
        (cloog_loop_malloc): New.
        (cloog_options_malloc): New.
        (cloog_statement_alloc): New.
        (cloog_domain_from_cloog_matrix): New.
        (new_Cloog_Domain_from_ppl_Pointset_Powerset): New.
        (new_Cloog_Domain_from_ppl_Polyhedron): New.

2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>

        * graphite-clast-to-gimple.c (clast_name_to_gcc): Parameter
        type of NAME now depends on used CLooG version.
        (clast_to_gcc_expression): Replace expr_* with clast_expr_*.
        (gcc_type_for_clast_expr): Same.
        (print_clast_stmt): Replace pprint with clast_pprint.
        * graphite-cloog-compat.h: Provide compatibility macros for
        CLooG Legacy.
        (clast_name_p): New.
        (clast_expr_term): New.
        (clast_expr_red): New.
        (clast_expr_bin): New.
        (clast_pprint): New.

2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>

        * graphite-clast-to-gimple.c (set_cloog_options): Make CLooG options
        compatible to newer CLooG releases (CLOOG_ORG).
        (build_cloog_prog): Pass CloogOptions to more functions (CLOOG_ORG).
        (scop_to_clast): Pass CloogOptions to build_cloog_prog (CLOOG_ORG).
        * graphite-cloog-compat.h: Add compatibility macros for CLooG Legacy.
        (build_cloog_prog) : New.
        (cloog_program_extract_scalars): New.
        (cloog_program_scatter): New.

2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>

        * graphite-clast-to-gimple.c: Include graphite-cloog-compat.h
        conditionally (CLOOG_ORG).
        * graphite-cloog-compat.h: New.  Include graphite-cloog-compat.h.
        (cloog_statement_usr): New.
        (cloog_domain): Same.
        (cloog_set_domain): Same.
        (cloog_next_domain): Same.
        (cloog_set_next_domain): Same.
        (cloog_program_nb_scattdims): Same.
        (cloog_program_set_nb_scattdims): Same.
        (cloog_program_names): Same.
        (cloog_program_set_names): Same.
        (cloog_program_set_context): Same.
        (cloog_program_set_loop): Same.
        (cloog_program_blocklist): Same.
        (cloog_program_set_blocklist): Same.
        (cloog_program_scaldims): Same.
        (cloog_program_set_scaldims): Same.
        (cloog_names_nb_parameters): Same.
        (cloog_names_set_nb_parameters): Same.
        (cloog_names_parameters): Same.
        (cloog_names_set_parameters): Same.
        (cloog_names_set_nb_iterators): Same.
        (cloog_names_set_iterators): Same.
        (cloog_names_set_nb_scattering): Same.
        (cloog_names_set_scattering): Same.
        (cloog_statement_set_usr): Same.
        (cloog_loop_set_next): Same.
        (cloog_loop_set_domain): Same.
        (cloog_loop_set_block): Same.
        (cloog_block_list_next): Same.
        (cloog_block_list_set_next):
        (cloog_block_list_set_block): Same.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Returns
        a bool.
        (rewrite_commutative_reductions_out_of_ssa_close_phi): Same.
        (rewrite_commutative_reductions_out_of_ssa_loop): Same.
        (rewrite_cross_bb_scalar_deps_out_of_ssa): Call scev_reset_htab
        when something has been changed.
        (rewrite_commutative_reductions_out_of_ssa): Same.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (propagate_expr_outside_region): Also
        handle the case when def is in the sese region.
        (rewrite_close_phi_out_of_ssa): Call propagate_expr_outside_region
        for invariant expressions.
        (rewrite_cross_bb_phi_deps): Removed.
        (rewrite_cross_bb_scalar_deps): Also handle GIMPLE_PHI nodes.
        (rewrite_cross_bb_scalar_deps_out_of_ssa): Do not call
        rewrite_cross_bb_phi_deps.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c
        (rewrite_commutative_reductions_out_of_ssa_loop): Call
        scev_analyzable_p only on is_gimple_reg

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (propagate_expr_outside_region): New.
        (rewrite_close_phi_out_of_ssa): Propagate constant values or
        parametric expressions outside the scop region.
        (rewrite_cross_bb_scalar_deps): Same.
        * sese.c (rename_uses): Use NULL_TREE instead of NULL for trees.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Use
        SSA_NAME_DEF_STMT only on SSA_NAMEs.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-scalar-evolution.c (instantiate_scev_name): Do not
        instantiate default definitions.

2010-08-11  Vladimir Kargov  <kargov@gmail.com>
            Sebastian Pop  <sebastian.pop@amd.com>

        * cfgloop.c (is_loop_exit): Renamed loop_exits_to_bb_p.
        (loop_exits_from_bb_p): New.
        * cfgloop.h (is_loop_exit): Renamed loop_exits_to_bb_p.
        (loop_exits_from_bb_p): Declared.
        * graphite-scop-detection.c (scopdet_basic_block_info): Call
        loop_exits_to_bb_p.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Add an
        extra parameter for the region.  Call scev_analyzable_p.
        (rewrite_reductions_out_of_ssa): Update call to
        rewrite_close_phi_out_of_ssa.
        (rewrite_cross_bb_phi_deps): Same.
        (rewrite_commutative_reductions_out_of_ssa_loop): Add an extra
        parameter for the region.  Call scev_analyzable_p.
        (rewrite_commutative_reductions_out_of_ssa): Update call to
        rewrite_commutative_reductions_out_of_ssa_loop.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * sese.c (rename_uses): Call unshare_expr before force_gimple_operand.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (reduction_phi_p): Do not rewrite out of
        SSA scalar phi nodes that can be scev_analyzable_p.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Correctly
        handle SSA_NAME_IS_DEFAULT_DEF.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * sese.c (rename_uses): Handl unconditionally gimple_debug statements.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Special
        case non close-phi nodes with one argument.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * sese.h (scev_analyzable_p): Scevs could be expressions without
        chrecs and still be scev_analyzable_p.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * cfgloop.c (alloc_loop): Remove initialization of loop->single_iv.
        * cfgloop.h (struct loop): Remove single_iv field.
        * graphite-sese-to-poly.c (graphite_loop_normal_form): Removed.
        (scop_canonicalize_loops): Removed.
        (scop_ivs_can_be_represented): Do not use loop->single_iv.  Iterate
        over all the loop phi nodes in loop->header.
        (build_poly_scop): Remove use of scop_canonicalize_loops.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Also
        handle GIMPLE_CALL.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-chrec.c (chrec_apply): Should only apply to the specified
        variable.  Also handle multivariate chains of recurrences that
        satisfy evolution_function_is_affine_p.  Also handle CASE_CONVERT.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (debug_clast_name_index): Removed.
        (debug_clast_name_indexes_1): Removed.
        (debug_clast_name_indexes): Removed.
        (pbb_to_depth_to_oldiv): Removed.
        (build_iv_mapping): Replace the use of rename_map with iv_map.
        (translate_clast_user): Remove uses of rename_map.  Allocate and
        free iv_map.
        (translate_clast_for_loop): Remove uses of rename_map.
        (translate_clast_for): Same.
        (translate_clast_guard): Same.
        (translate_clast): Same.
        (gloog): Same.
        * graphite-clast-to-gimple.h (debug_clast_name_indexes): Removed.
        * graphite-sese-to-poly.c (scev_analyzable_p): Moved...
        * sese.c (set_rename): Now static.
        (rename_variables_in_stmt): Removed.
        (rename_uses): New.
        (is_parameter): Removed.
        (is_iv): Removed.
        (expand_scalar_variables_call): Removed.
        (expand_scalar_variables_ssa_name): Removed.
        (expand_scalar_variables_expr): Removed.
        (expand_scalar_variables_stmt): Removed.
        (expand_scalar_variables): Removed.
        (rename_variables): Removed.
        (remove_condition): Removed.
        (get_true_edge_from_guard_bb): Removed.
        (get_false_edge_from_guard_bb): Removed.
        (struct igp): Removed.
        (default_before_guard): Removed.
        (convert_for_phi_arg): Removed.
        (add_guard_exit_phis): Removed.
        (insert_guard_phis): Removed.
        (graphite_copy_stmts_from_block): Now also uses iv_map and a
        region.  Do not copy conditions.  Do not copy induction variables.
        Call rename_uses.
        (copy_bb_and_scalar_dependences): Allocate a local rename_map for
        the translated statement.  Use the iv_map for the induction
        variable renaming.
        * sese.h (copy_bb_and_scalar_dependences): Update declaration.
        (set_rename): Removed declaration.
        (scev_analyzable_p): ...here.
        * tree-chrec.c (chrec_apply_map): New.
        * tree-chrec.h (chrec_apply_map): Declared.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (translate_clast_for_loop): Do not call
        insert_loop_close_phis.
        * sese.c (name_defined_in_loop_p): Removed.
        (expr_defined_in_loop_p): Removed.
        (alive_after_loop): Removed.
        (close_phi_not_yet_inserted_p): Removed.
        (struct alep): Removed.
        (add_loop_exit_phis): Removed.
        (insert_loop_close_phis): Removed.

2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>

        * graphite-cloog-util.c
        (cloog_matrix_to_ppl_constraint): Fix flipped condition.
        * graphite-poly.c
        (psct_scattering_dim_for_loop_depth): Same.

2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>

        * graphite-cloog-util.h: Added cloog.h.
        * graphite-blocking.c: Removed cloog.h.
        * graphite-dependences.c: Same.
        * graphite-interchange.c: Same.
        * graphite-poly.c: Same.
        * graphite-ppl.c: Same.
        * graphite-scop-detection.c: Same.
        * graphite-sese-to-poly.c:
        Removed cloog.h.
        Removed graphite-clast-to-gimple.h.
        (check_poly_representation): Removed (unused).
        * graphite-sese-to-poly.h
        (check_poly_representation): Removed (unused).

2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>

        * Makefile.in (OBJS-common): Added graphite-cloog-util.o.
        (graphite-clast-to-gimple.o): Added graphite-cloog-util.h.
        (graphite-cloog-util.o): New.
        (graphite-ppl.o): Added graphite-cloog-util.h.
        * graphite-clast-to-gimple.c:
        Added graphite-cloog-util.h to include statements.
        * graphite-cloog-util.c: New.
        (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.c.
        (new_Cloog_Domain_from_ppl_Polyhedron): Same.
        (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
        (new_C_Polyhedron_from_Cloog_Matrix): Same.
        (insert_constraint_into_matrix): Same.
        (ppl_Constrain_System_number_of_constraints): Same.
        (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
        (oppose_constraint): Same.
        (cloog_matrix_to_ppl_constraint): Same.
        (new_Constraint_System_from_Cloog_Matrix): Same.
        * graphite-cloog-util.h: New.
        (new_Cloog_Matrix_from_ppl_Polyhedron): Moved from graphite-ppl.h.
        (new_Cloog_Domain_from_ppl_Polyhedron): Same.
        (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
        (new_C_Polyhedron_from_Cloog_Matrix): Same.
        (insert_constraint_into_matrix): Same.
        * graphite-ppl.c:
        Added graphite-cloog-util.h to include statements.
        (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to graphite-cloog-util.c.
        (new_Cloog_Domain_from_ppl_Polyhedron): Same.
        (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
        (new_C_Polyhedron_from_Cloog_Matrix): Same.
        (insert_constraint_into_matrix): Same.
        (ppl_Constrain_System_number_of_constraints): Same.
        (new_Cloog_Matrix_from_ppl_Constraint_System): Same.
        (oppose_constraint): Same.
        (cloog_matrix_to_ppl_constraint): Same.
        (new_Constraint_System_from_Cloog_Matrix): Same.
        * graphite-ppl.h:
        (new_Cloog_Matrix_from_ppl_Polyhedron): Moved to
        graphite-cloog-util.h.
        (new_Cloog_Domain_from_ppl_Polyhedron): Same.
        (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
        (new_C_Polyhedron_from_Cloog_Matrix): Same.
        (insert_constraint_into_matrix): Same.

2010-08-11  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>

        * graphite-clast-to-gimple.c
        (precision_for_value): Resolve value_* calls to matching mpz_* calls.
        (precision_for_interval): Same.
        (gcc_type_for_interval): Same.
        (compute_type_for_level): Same.
        * graphite-interchange.c
        (lst_interchange_profitable_p): Same.
        * graphite-poly.c
        (psct_scattering_dim_for_loop_depth): Same.
        * graphite-ppl.c
        (ppl_max_for_le_pointset): Same.
        (ppl_min_for_le_pointset): Same.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (rewrite_degenerate_phi): New.
        (rewrite_reductions_out_of_ssa): Call it for degenerate_phi_result.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Call
        rewrite_close_phi_out_of_ssa.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (rewrite_cross_bb_phi_deps): Remove dead code.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (build_iv_mapping): Rename map with
        rename_map.
        * sese.c (debug_rename_map): Same.
        (get_rename): Same.
        (set_rename): Same.
        (rename_variables_in_stmt): Same.
        (expand_scalar_variables_call): Same.
        (expand_scalar_variables_ssa_name): Same.
        (expand_scalar_variables_expr): Same.
        (expand_scalar_variables_stmt): Same.
        (expand_scalar_variables): Same.
        (rename_variables): Same.
        (graphite_copy_stmts_from_block): Same.
        (copy_bb_and_scalar_dependences): Same.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (copy_renames): Removed.
        (translate_clast_for): Do not call copy_renames.
        (translate_clast_guard): Same.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Moved up.
        (rewrite_cross_bb_phi_deps): Split out of rewrite_cross_bb_scalar_deps.
        (rewrite_cross_bb_scalar_deps_out_of_ssa): Run rewrite_cross_bb_phi_deps
        before rewrite_cross_bb_scalar_deps.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (rewrite_commutative_reductions_out_of_ssa):
        Early return in when flag_associative_math is not set.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (rewrite_phi_out_of_ssa): Always insert out
        of SSA copies on edges except for loop->latch.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps_out_of_ssa):
        Split out of rewrite_reductions_out_of_ssa.
        * graphite-sese-to-poly.h (rewrite_cross_bb_scalar_deps_out_of_ssa):
        Declared.
        * graphite.c (graphite_transform_loops): Call it.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (graphite_transform_loops): Add two more dbg_cnt calls.

2010-08-11  Alexander Monakov  <amonakov@ispras.ru>

        * dbgcnt.def (graphite_scop): New counter.
        * graphite.c: Include dbgcnt.h.
        (graphite_transform_loops): Use new counter to limit transformations.
        * Makefile.in (graphite.o): Depend on DBGCNT_H.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * passes.c (init_optimization_passes): Add pass_graphite.
        Schedule a pass_copy_prop before pass_graphite_transforms.
        * timevar.def (TV_GRAPHITE): Declared.
        * tree-pass.h (pass_graphite): Declared.
        * tree-ssa-loop.c (pass_graphite): New.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (gloog): Do not pass scops in parameter.
        Remove calls to rename_nb_iterations and rename_sese_parameters.
        * graphite-clast-to-gimple.h (gloog): Update declaration.
        * graphite.c (graphite_transform_loops): Update call to gloog.
        * sese.c (rename_variables_in_expr): Removed.
        (rename_nb_iterations): Removed.
        (rename_sese_parameters): Removed.
        * sese.h (rename_nb_iterations): Removed.
        (rename_sese_parameters): Removed.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (gloog): Remove call to
        sese_adjust_liveout_phis.
        * graphite-sese-to-poly.c (scev_analyzable_p): When scev returns an
        SSA_NAME, allow it to be handled by rewrite_cross_bb_scalar_deps.
        (rewrite_cross_bb_scalar_deps): Handle GIMPLE_PHI nodes: call
        rewrite_phi_out_of_ssa.
        * sese.c (get_vdef_before_sese): Removed.
        (sese_adjust_vphi): Removed.
        (sese_adjust_liveout_phis): Removed.
        * sese.h (sese_adjust_liveout_phis): Removed.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (insert_out_of_ssa_copy): Pass an extra
        argument for the place after which to insert the out of SSA copy.
        (rewrite_close_phi_out_of_ssa): Update calls to insert_out_of_ssa_copy.
        (rewrite_phi_out_of_ssa): Same.
        (rewrite_cross_bb_scalar_deps): Same.
        (insert_copyout): Removed.
        (insert_copyin): Removed.
        (translate_scalar_reduction_to_array): Call insert_out_of_ssa_copy and
        insert_out_of_ssa_copy_on_edge instead of insert_copyout and
        insert_copyin.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (build_scop_bbs): Not static anymore.
        (rewrite_reductions_out_of_ssa): Same.
        (rewrite_commutative_reductions_out_of_ssa): Same.
        (build_poly_scop): Do not call these functions.
        * graphite-sese-to-poly.h (build_poly_scop): Declared.
        (rewrite_reductions_out_of_ssa): Declared.
        (rewrite_commutative_reductions_out_of_ssa): Declared.
        * graphite.c (graphite_transform_loops): Call on every scop
        rewrite_commutative_reductions_out_of_ssa before calling
        rewrite_reductions_out_of_ssa and build_scop_bbs.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (dot_deps): Make system call to dotty run
        in background.
        (dot_deps_stmt): Same.
        * graphite-poly.c (dot_lst): Same.

2010-08-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (loop_entry_phi_arg): Renamed
        phi_arg_in_outermost_loop.
        (remove_simple_copy_phi): Call phi_arg_in_outermost_loop.
        (remove_invariant_phi): Same.

2010-08-11  Anatoly Sokolov  <aesok@post.ru>

        * target.def (output_addr_const_extra): New hook.
        * doc/tm.texi.in (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Document.
        * doc/tm.texi: Regenerate.
        * targhooks.c (default_asm_output_addr_const_extra): New function.
        * targhooks.h (default_asm_output_addr_const_extra): Declare.
        * final.c (output_addr_const): Use TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA
        target hook.

        * config/i386/i386.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
        * config/i386/i386-protos.h (output_addr_const_extra): Remove.
        * config/i386/i386.h (output_addr_const_extra): Rename to...
        (i386_asm_output_addr_const_extra): ...this. Make static.
        (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.

2010-08-11  Richard Henderson  <rth@redhat.com>

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

2010-08-11  Nick Clifton  <nickc@redhat.com>

        * config/stormy16/stormy16-lib2.c (__cmpsi2): New function.
        * config/stormy16/stormy16-lib2-cmpsi2.c: New file.
        * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
        stormy16-lib2-cmpsi.c.

        * config/stormy16/t-stormy16 (TARGET_LIBGCC2_CFLAGS): Change to
        -O2.

2010-08-11  Joseph Myers  <joseph@codesourcery.com>

        * opts.h (struct cl_option_handler_func): Make handler take
        cl_decoded_option structure as parameter, not individual elements.
        (struct cl_option_handlers): Make callbacks take cl_decoded_option
        structure as parameter, not individual elements.
        (handle_option): Take cl_decoded_option structure as parameter,
        not individual elements.
        (handle_generated_option): Declare.
        * opts-common.c (handle_option): Take cl_decoded_option structure
        as parameter, not individual elements.  Update calls to callback
        and handler functions.
        (handle_generated_option): New.
        (read_cmdline_option): Update calls to callback functions and
        handle_option.
        * opts.c (common_handle_option, complain_wrong_lang,
        unknown_option_callback, post_handling_callback,
        lang_handle_option, target_handle_option): Take cl_decoded_option
        structure as parameter, not individual elements.
        (lang_handle_option, target_handle_option, common_handle_option):
        Assert option has at most one argument.
        (enable_warning_as_error): Call handle_generated_option instead of
        handle_option.  Do not pass -Werror argument as argument of
        generated option.

2010-08-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config/pa/linux-atomic.c (SUBWORD_VAL_CAS): Instantiate with
        'unsigned short' and 'unsigned char' instead of 'short' and 'char'.
        (SUBWORD_BOOL_CAS): Likewise.
        (SUBWORD_SYNC_OP): Likewise.
        (SUBWORD_TEST_AND_SET): Likewise.
        (FETCH_AND_OP_WORD): Parenthesise INF_OP
        (SUBWORD_SYNC_OP): Likewise.
        (OP_AND_FETCH_WORD): Likewise.

2010-08-10  Xinliang David Li  <davidxl@google.com>

        * tree-ssa-loop-ivopts.c (get_address_cost): Properly
        compute max/min offset in address.

2010-08-10  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-live.c: Include sbitmap.h.
        (remove_some_program_points_and_update_live_ranges): Use sbitmaps.
        Compress live ranges even more.

2010-08-10  Nathan Froyd  <froydnj@codesourcery.com>

        * coverage.c (ctr_labels): Delete.

2010-08-10  Bernd Schmidt  <bernds@codesourcery.com>

        PR bootstrap/45177
        * config/arm/arm.c (multiple_operation_profitable_p): Move xscale
        test here from arm_gen_load_multiple_1.
        (arm_gen_load_multiple_1, arm_gen_store_multiple_1): Use
        multiple_operation_profitable_p.

2010-08-10  Nathan Froyd  <froydnj@codesourcery.com>

        * tree-ssa-pre.c (init_pre): Call alloc_aux_for_blocks.
        (fini_pre): Call free_aux_for_blocks.  Delete unused bb variable.

2010-08-10  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_compute_frame_layout): Re-align stack
        after saving registers.  Assert that SSE registers are only saved
        with a sufficiently aligned frame.
        (ix86_emit_save_reg_using_mov): Assert realigned only with DRAP;
        remove stack_realign_fp handling.
        (ix86_expand_prologue): Save int registers before stack_realign_fp,
        and do not mark the stack alignment as frame related.
        (ix86_expand_epilogue): SP is now invalid with stack_realign_fp.

        * dwarf2out.c (dwarf2out_frame_debug_expr): Flush queued register
        saves when re-aligning the stack.

2010-08-10  Nathan Froyd  <froydnj@codesourcery.com>

        * basic-block.h (alloc_aux_for_block, alloc_aux_for_edge): Delete.
        * cfg.c (alloc_aux_for_block, alloc_aux_for_edge): Make static.
        (alloc_aux_for_blocks, clear_aux_for_blocks): Use FOR_ALL_BB.

2010-08-10  Nathan Froyd  <froydnj@codesourcery.com>

        * dwarf2out.c (struct die_struct): Move die_tag to the end.

2010-08-09  Sofiane Naci  <sofiane.naci@arm.com>

        * config/arm/iterators.md: New file.
        * config/arm/arm.md: Include iterators.md.
        (QHSI): Move to new file.
        (LTUGEU, cnb, optab, ior_xor): Likewise.
        * config/arm/iwmmxt.md (VMMX): Move to new file.
        (VSHFT, MMX_char): Likewise.
        * config/arm/neon.md (VD): Move to new file.
        (VDX, VDI, VQ, VQX, VQI, VQXMOV, VSTRUCT, VTAB, V_TAB_n, VW): Likewise.
        (VN, VDQ, VDQW, VDQIW, VCVTF, VCVTI, VMD, VMQ, VMDQ, VMDI): Likewise.
        (VMDQI, VX, VE, V64, V32, V_CVTTO, V_elem, V_ext): Likewise.
        (V_two_elem, V_three_elem, V_four_elem, V_req, V_widen): Likewise.
        (V_narrow, V_HALF, V_half,V_DOUBLE, V_double): Likewise.
        (V_double_width, V_cmp_result, V_if_elem, V_s_elem): Likewise.
        (V_u_elem, V_uf_sclr, V_sz_elem, VD_dup): Likewise.
        (V_PAIR, vqh_ops, vqhs_ops, VQH_mnem, VQH_sign, V_suf64): Likewise.
        (scalar_mul_constraint,Is_float_mode, Scalar_mul_8_16): Likewise.
        (Is_d_reg, V_mode_nunits): Likewise.
        * config/arm/vec-common.md (VALL): Move to new file.
        (VALLW, VINT, VINTW): Likewise.

2010-08-10  Bernd Schmidt  <bernds@codesourcery.com>

        PR middle-end/45182
        * combine.c (make_compound_operation): Don't try to convert
        shifts into multiplications for modes that aren't SCALAR_INT_MODE_P.

2010-08-10  Richard Guenther  <rguenther@suse.de>

        * tree.h (get_object_alignment): Adjust prototype.
        * builtins.c (get_object_alignment): Return unsigned int,
        drop the align parameter.  Handle MEM_REF, MISALIGNED_INDIRECT_REF
        and TARGET_MEM_REF properly.
        (get_pointer_alignment): Adjust.
        * emit-rtl.c (get_mem_align_offset): Adjust comment.
        (set_mem_attributes_minus_bitpos): Adjust.
        * tree-ssa-ccp.c (get_value_from_alignment): Adjust.

2010-08-10  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-copy.c (set_copy_of_val): Use operand_equal_p.
        (copy_prop_visit_assignment): Simplify.
        (copy_prop_visit_stmt): Also visit assignments from
        constants.
        (copy_prop_visit_phi_node): Use operand_equal_p.

2010-08-09  Nathan Froyd  <froydnj@codesourcery.com>

        * ipa-split.c (find_split_points): Free stack.

2010-08-09  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.h (tree_node_kind) [perm_list_kind,temp_list_kind]: Delete.
        * tree.c (tree_node_kind): Delete corresponding entries.

2010-08-09  H.J. Lu  <hongjiu.lu@intel.com>

        * alias.c (may_alias_p): Remove unused ret.

2010-08-09  Bingfeng Mei  <bmei@broadcom.com>

        * ddg.c (walk_mems_2): Moved from alias.c, use may_alias_p instead of
        alias_sets_conflict_p.
        (walk_mems_1): Moved from alias.c.
        (insns_may_alias_p): New function, originally insn_alias_sets_conflict_p
        in alias.c.
        (add_inter_loop_mem_dep): Use insns_may_alias_p now.
        * cse.c (cse_insn): New argument in calling nonoverlapping_memrefs_p.
        * alias.c (walk_mems_2): Moved to ddg.c.
        (walk_mems_1): Ditto.
        (insn_alias_sets_conflict_p): Renamed to insns_may_alias_p and moved
        to ddg.c.
        (nonoverlapping_memrefs_p): Add flag to guard offset-based memory
        disambiguation.
        *(may_alias_p): New function to check whether two memory expression
        may alias or not. Currently used in buidling inter-iteration memory
        dependence.
        *alias.h (nonoverlapping_memrefs_p): New flag as third argument.
        (insn_alias_sets_conflict_p): Removed
        *rtl.h (may_alias_p): New function prototype.

2010-08-09  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.c (nreverse): Assert that we don't have a BLOCK.

2010-08-09  Nathan Froyd  <froydnj@codesourcery.com>

        * builtins.c (fold_builtin_next_arg): Use stdarg_p.
        * config/arm/arm.c (arm_get_pcs_model): Likewise.
        * config/avr/avr.c (init_cumulative_args): Likewise.
        * config/iq2000/iq2000.c (iq2000_expand_prologue): Likewise.
        * config/lm32/lm32.c (lm32_setup_incoming_varargs): Likewise.
        * config/m68k/m68k.c (m68k_return_pops_args): Likewise.
        * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
        * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
        * config/pa/som.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
        * config/rs6000/rs6000.c (init_cumulative_args): Likewise.
        * dwarf2out.c (gen_subprogram_die): Likewise.
        * function.c (allocate_struct_function): Likewise.
        * c-aux-info.c (gen_formal_list_for_func_dec): Likewise.
        (deserves_ellipsis): Delete.

2010-08-09  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-copy.c (cached_last_copy_of): Remove.
        (valueize_val): New function.
        (get_last_copy_of): Remove.
        (set_copy_of_val): Simplify.
        (dump_copy_of): Likewise.
        (copy_prop_visit_cond_stmt): Use valueize_val.
        (copy_prop_visit_phi_node): Properly handle unvisited names.
        Drop code managing copy-of chains.
        (init_copy_prop): Adjust.
        (fini_copy_prop): Likewise.
        (execute_copy_prop): Remove obsolete comment.

2010-08-09  Richard Guenther  <rguenther@suse.de>

        PR middle-end/44632
        * function.c (gimplify_parameters): Do not clear addressable
        bit of the original parameter.

2010-08-09  Richard Guenther  <rguenther@suse.de>

        PR middle-end/45212
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Adjust
        alignment from MEM_REF offset only if we took it from the
        base object.

2010-08-09  Eric Fisher  <joefoxreal@gmail.com>

        * doc/sourcebuild.texi (vect_int_mult): Remove duplicate entry.

2010-08-08  Nathan Froyd  <froydnj@codesourcery.com>

        * c-tree.h (build_arg_info): Declare.
        * c-decl.c (build_arg_info): Define.
        (get_parm_info): Call it.  Delete initialization code.
        * c-parser.c (c_parser_parms_declarator): Likewise.
        (c_parser_parms_list_declaractor): Likewise.

2010-08-08  Nathan Froyd  <froydnj@codesourcery.com>

        * c-tree.h (c_arg_tag): Define.  Define a VEC containing it.
        (struct c_arg_info): Change type of tags field.
        * c-decl.c (grokdeclarator): Update for changed type of tags field.
        (get_parm_info): Likewise.
        (store_parm_decls_newstyle): Likewise.

2010-08-08  Nathan Froyd  <froydnj@codesourcery.com>

        * config/rs6000/rs6000.c (branch_island): Define.  Define a VEC of it.
        (branch_island_list): Delete.
        (branch_islands): Declare.
        (add_compiler_branch_island): Adjust for branch_islands instead of
        branch_island_list.
        (macho_branch_islands): Likewise.
        (no_previous_def): Likewise.
        (get_prev_label): Likewise.

2010-08-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR boehm-gc/34544
        * gthr-posix.h (__gthread_start): Delete.
        (__gthread_active_init): Use pthread_default_stacksize_np instead of
        pthread_create to determine if hpux pthreads are active.
        * gthr-posix95.h (__gthread_start): Delete.
        (__gthread_active_init): Likewise use pthread_default_stacksize_np.

2010-08-08  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/mingw32.h ((EXTRA_OS_CPP_BUILTINS): Define
        _WIN64 not expanded.

2010-08-07  Uros Bizjak  <ubizjak@gmail.com>
            H.J. Lu  <hongjiu.lu@intel.com>

        PR target/45213
        * config/i386/i386.c (ix86_print_operand): Handle 'q' operand modifier
        to output 32bit SFmode immediate as 8 byte sign extended value.

2010-08-07  Marcus Shawcroft  <marcus.shawcroft@arm.com>

        * config/arm/linux-atomic.c (SUBWORD_VAL_CAS): Instantiate with
        'unsigned short' and 'unsigned char' instead of 'short' and 'char'.
        (SUBWORD_BOOL_CAS): Likewise.
        (SUBWORD_SYNC_OP): Likewise.
        (SUBWORD_TEST_AND_SET): Likewise.
        (FETCH_AND_OP_WORD): Parenthesise INF_OP
        (SUBWORD_SYNC_OP): Likewise.
        (OP_AND_FETCH_WORD): Likewise.

2010-08-07  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/cortex-a9.md: Rewrite VFP Pipeline description.
        * config/arm/arm.c (arm_xscale_tune): Initialize sched_adjust_cost.
        (arm_fastmul_tune,arm_slowmul_tune, arm_9e_tune): Likewise.
        (arm_adjust_cost): Split into xscale_sched_adjust_cost and a
        generic part.
        (cortex_a9_sched_adjust_cost): New function.
        (xscale_sched_adjust_cost): New function.
        * config/arm/arm-protos.h (struct tune_params): New field
        sched_adjust_cost.
        * config/arm/arm-cores.def: Adjust costs for cortex-a9.

2010-08-06  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/44942
        * config/sparc/sparc.c (function_arg_advance): Always take into account
        the padding, if any.

2010-08-06  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-ccp.c (struct prop_value_d): Add mask member.
        (dump_lattice_value): Dump it.
        (get_default_value): Adjust.
        (get_constant_value): Likewise.
        (set_value_varying): Likewise.
        (set_lattice_value): Make sure to not go up the lattice
        with bitwise constant values.
        (get_value_for_expr): Handle ADDR_EXPRs.
        (value_to_double_int): New function.
        (get_value_from_alignment): Likewise.
        (do_dbg_cnt): Adjust.
        (ccp_lattice_meet): Handle partially constant values.
        (bit_value_unop_1): New function.
        (bit_value_binop_1): Likewise.
        (bit_value_unop): Likewise.
        (bit_value_binop): Likewise.
        (evaluate_stmt): Track partially constant values if
        flag_tree_bit_ccp is set.
        (ccp_fold_stmt): Dump if we folded a predicate.
        (ccp_visit_stmt): Adjust.
        * common.opt (ftree-bit-ccp): New flag.
        * doc/invoke.texi (ftree-bit-ccp): Document.
        * opts.c (decode_options): Enable bit-CCP at -O1.

2010-08-06  Alan Modra  <amodra@gmail.com>

        * doc/invoke.texi (RS/6000 and PowerPC Options): Rewrite -mrelocatable
        and -mrelocatable-lib description.

2010-08-05  Bernd Schmidt  <bernds@codesourcery.com>

        From Martin Thuresson  <martint@google.com>
        * postreload.c (reload_cse_simplify_operands): Use
        SET_REGNO_RAW instead of SET_REGNO.
        * caller-save.c (reg_save_code): Use SET_REGNO_RAW instead of
        SET_REGNO.
        * ira.c (setup_prohibited_mode_move_regs): Use SET_REGNO_RAW
        instead of SET_REGNO.
        * rtl.h (SET_REGNO_RAW): New macro.

2010-08-05  Eric Botcazou  <ebotcazou@adacore.com>

        * rtlanal.c (nonzero_bits1): Use unsigned HOST_WIDE_INT in all mask
        computations.  Fix formatting issues.
        (num_sign_bit_copies1): Likewise.
        (canonicalize_condition): Likewise.

2010-08-05  Richard Henderson  <rth@redhat.com>

        * toplev.h (ctz_hwi, clz_hwi, ffs_hwi): New.
        (floor_log2): Use clz_hwi.
        (exact_log2): Use ctz_hwi.
        * toplev.c (ctz_hwi, clz_hwi, ffs_hwi): New.
        * builtins.c (fold_builtin_bitop): Use them.
        * simplify-rtx.c (simplify_const_unary_operation): Likewise.
        * combine.c (get_pos_from_mask): Use ctz_hwi.
        * double-int.c (double_int_ctz): Likewise.
        * explow.c (force_reg): Likewise.
        * tree.h (SET_DECL_OFFSET_ALIGN): Use ffs_hwi.

2010-08-05  Richard Henderson  <rth@redhat.com>

        PR target/45189
        * config/i386/i386.c (ix86_emit_save_reg_using_mov): Make sure
        the alignment constant is properly sign-extended.

2010-08-05  Richard Guenther  <rguenther@suse.de>

        * expr.c (store_expr): Use emit_block_move only if both
        source and target are MEMs.  Use store_bit_field if only
        the target is a MEM.

2010-08-05  Richard Henderson  <rth@redhat.com>

        PR debug/45188
        * dwarf2out.c (DWARF2_UNWIND_INFO): Provide default definition.
        (INCOMING_RETURN_ADDR_RTX): Likewise.
        (dwarf2out_do_frame): Remove conditional compilation.
        (dwarf2out_frame_init): Likewise.

2010-08-05  Nicolas Setton  <setton@adacore.com>

        * gcov.c (flag_display_progress): New static variable.
        (main): Display progress info on standard output if requested.
        (options): Add -d/--display-progress.
        (print_usage): Print them.
        (process_args): Handle them.
        * doc/gcov.texi: Document them.

2010-08-05  Martin Jambor  <mjambor@suse.cz>

        * ipa-cp.c (ipcp_discover_new_direct_edges): New function.
        (ipcp_insert_stage): Redirect only edges not flagged with
        indirect_inlining_edge.  Call ipcp_discover_new_direct_edges for all
        discovered constants.

2010-08-05  Martin Jambor  <mjambor@suse.cz>

        * ipa-prop.h (enum ipa_lattice_type): Changed comments.
        (struct ipa_param_descriptor): New fields types and
        cannot_devirtualize.
        (ipa_param_cannot_devirtualize_p): New function.
        (ipa_param_types_vec_empty): Likewise.
        (ipa_make_edge_direct_to_target): Declare.
        * ipa-cp.c: Fixed first stage driver name in initial comment,
        described devirtualization there too.
        (ipcp_analyze_node): Call ipa_analyze_params_uses.
        (ipcp_print_all_lattices): Print devirtualization info.
        (ipa_set_param_cannot_devirtualize): New function.
        (ipcp_initialize_node_lattices): Set cannot_devirtualize when setting
        lattice to BOTTOM.
        (ipcp_init_stage): Merged into...
        (ipcp_generate_summary): ...its caller.
        (ipcp_change_tops_to_bottom): Also process type lists.
        (ipcp_add_param_type): New function.
        (ipcp_copy_types): Likewise.
        (ipcp_propagate_types): Likewise.
        (ipcp_propagate_stage): Also propagate types.
        (ipcp_need_redirect_p): Variable jump_func moved to its scope block.
        Also return true if propagated types require it.
        (ipcp_update_callgraph): Dump redirection info.
        (ipcp_process_devirtualization_opportunities): New function.
        (ipcp_const_param_count): Include known type information.
        (ipcp_insert_stage): Call ipcp_process_devirtualization_opportunities
        on new node.  Fixed formatting.
        * ipa-prop.c (make_edge_direct_to_target): Renamed to
        ipa_make_edge_direct_to_target and changed all callers.  Made
        externally visible.
        (ipa_node_duplication_hook): Duplicate types vector.
        * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Also try to
        redirect outgoing calls for which we can't get a decl from the
        statement.  Check that we can get a decl from the call statement.
        * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call
        ipa_analyze_params_uses only when ipa-cp is disabled.
        * tree-inline.c (get_indirect_callee_fndecl): Removed.
        (expand_call_inline): Do not call get_indirect_callee_fndecl.
        * params.def (PARAM_DEVIRT_TYPE_LIST_SIZE): New parameter.
        * Makefile.in (ipa-cp.o): Add gimple.h to dependencies.

2010-08-05  Uros Bizjak  <ubizjak@gmail.com>

        * expmed.c (expand_mult_const) <case alg_shift>: Expand shift into
        temporary. Emit move from temporary to accum, so REG_EQUAL note will
        be attached to this insn in correct mode.

2010-08-05  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_decompose_address): Check for SI_REG
        using REGNO of base_reg directly.

2010-08-05  Jie Zhang  <jie@codesourcery.com>

        PR tree-optimization/45144
        * tree-sra.c (type_consists_of_records_p): Return false
        if the record contains bit-field.

2010-08-04  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (struct ix86_frame): Remove padding and
        to_allocate members.
        (ix86_compute_frame_layout): Don't store them.
        (ix86_can_use_return_insn_p): Use a more direct and more obviously
        correct condition for the position of the stack pointer.
        (ix86_expand_prologue): Compute remaining stack allocation based
        on the ultimate stack pointer offset.
        (ix86_expand_epilogue): Use more obvious expressions testing for
        the stack pointer already pointing to the saved registers.

        * config/i386/i386.c (ix86_expand_epilogue): Eliminate code
        duplication deconstructing the frame pointer.  Simplify
        deallocation of the local stack frame.

        * reg-notes.def (CFA_EXPRESSION): New.
        * dwarf2out.c (dwarf2out_frame_debug): Handle it.
        (dwarf2out_frame_debug_cfa_expression): New.
        (dwarf2out_frame_debug_def_cfa): Handle simple MEMs.

        * config/i386/i386.h (struct machine_frame_state): Add realigned flag.
        * config/i386/i386.c (ix86_expand_prologue): Set it.
        (ix86_expand_epilogue): Clear it.
        (ix86_emit_save_reg_using_mov): For registers saved in a realigned
        context, add REG_CFA_EXPRESSION notes.

        * config/i386/i386.h (struct machine_frame_state): Rename from
        machine_cfa_state.  Add members tracking SP and FP regardless
        of the current CFA register.
        (ix86_cfa_state): Remove.
        * config/i386/i386.c (struct ix86_frame): Add reg_save_offset
        and sse_reg_save_offset members.
        (ix86_compute_frame_layout): Set them.
        (gen_push): Increment sp_offset too.
        (choose_baseaddr_len, choose_baseaddr): New.
        (ix86_emit_save_reg_using_mov): New.
        (ix86_emit_save_regs_using_mov): Use it.
        (ix86_emit_save_sse_regs_using_mov): Likewise.
        (ix86_add_cfa_restore_note): Take cfa_offset not red_offset argument;
        compare vs the saved red_zone_offset.
        (pro_epilogue_adjust_stack): Adjust sp_offset.
        (ix86_adjust_stack_and_probe): Likewise.
        (ix86_expand_prologue): Set up, use, and validate the new
        frame_state_info members.  Use gen_frame_mem.
        (ix86_emit_restore_regs_using_pop): Remove red_offset parameter.
        (ix86_emit_restore_reg_using_pop): Likewise.  Use and update the
        new frame_state_info members.
        (ix86_emit_leave): Likewise.
        (ix86_emit_restore_regs_using_mov): Likewise.  Don't check for
        out-of-range stack pointer offsets here.
        (ix86_emit_restore_sse_regs_using_mov): Likewise.
        (ix86_expand_epilogue): Use and validate the new frame_state_info
        members.  Break up and simplify the logic selecting the
        restore_regs_via_mov code path.  Ensure that there will be no
        out-of-range stack pointer offsets.

        * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Remove.

        * config/i386/i386.c (ix86_function_ms_hook_prologue): Fix
        argument name to reflect the expected tree; fix indentation.
        (ix86_asm_output_function_label): Output the entire 32-bit
        ms_hook here as bytes ...
        (ix86_expand_prologue): ... not here as insns.  Attach the
        unwind info for the ms_hook to a blockage insn.
        (ix86_handle_fndecl_attribute): Don't check HAVE_AS_IX86_SWAP.
        (ix86_ms_bitfield_layout_p): Fix indentation.
        * config/i386/i386.md (UNSPECV_VSWAPMOV, vswapmov): Remove.

        * config/i386/i386.c (ix86_using_red_zone): New.
        (ix86_compute_frame_layout, ix86_add_cfa_restore_note,
        ix86_expand_prologue, ix86_force_to_memory): Use it.

        * config/i386/i386.c (ix86_expand_prologue): Simplify logic
        saving the int registers.

        * dwarf2out.c: Remove most of the DWARF2_DEBUGGING_INFO
        and DWARF2_UNWIND_INFO conditional compilation.

2010-08-04  Richard Henderson  <rth@redhat.com>

        PR debug/45171
        * dwarf2out.c (gen_typedef_die): Don't re-generate the die of
        an is_naming_typedef_decl.

2010-08-04  Bernd Schmidt  <bernds@codesourcery.com>

        PR rtl-optimization/45162
        * df-problems.c (df_word_lr_bb_local_compute): Ignore DEBUG_INSNs.
        * dce.c (word_dce_process_block): Likewise.

2010-08-04  Steve Ellcey  <sje@cup.hp.com>

        PR target/44583
        * config/ia64/constraints.md (Z): New.
        * config/ia64/predicates.md (fr_reg_or_signed_fp01_operand): New.
        (xfreg_or_signed_fp01_operand): New.
        * config/ia64/ia64.md (addsf3): Replace fr_reg_or_fp01_operand
        with fr_reg_or_signed_fp01_operand and constraint G with Z.
        (subsf3): Ditto.
        (*maddsf4): Ditto.
        (*msubsf4): Ditto.
        (adddf3): Ditto.
        (adddf3_trunc): Ditto.
        (subdf3): Ditto.
        (*subdf3_trunc): Ditto.
        (*madddf4): Ditto.
        (*madddf4_trunc): Ditto.
        (*msubdf4): Ditto.
        (*msubdf4_trunc): Ditto.
        (addxf3): Replace xfreg_or_fp01_operand with
        xfreg_or_signed_fp01_operand and constraint G with Z.
        (*addxf3_truncsf): Ditto.
        (*addxf3_truncdf): Ditto.
        (subxf3): Ditto.
        (*subxf3_truncsf): Ditto.
        (*subxf3_truncdf): Ditto.
        (*maddxf4): Ditto.
        (*maddxf4_truncsf): Ditto.
        (*maddxf4_truncdf): Ditto.
        (*msubxf4): Ditto.
        (*msubxf4_truncsf): Ditto.
        (*msubxf4_truncdf): Ditto.

2010-08-04  Richard Guenther  <rguenther@suse.de>

        * alias.c (rtx_refs_may_alias_p): Do not resort to TBAA
        if either alias-set is zero.

2010-08-04  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-propagate.h (struct prop_value_d, prop_value_t): Move ...
        * tree-ssa-ccp.c: ... here.
        * tree-ssa-copy.c: ... and here.
        * tree-ssa-propagate.h (enum value_range_type, struct value_range_d,
        value_range_t): Move ...
        * tree-vrp.c: ... here.
        * tree-ssa-propagate.h (ssa_prop_get_value_fn): New typedef.
        (substitute_and_fold): Adjust prototype.
        * tree-ssa-propagate.c (replace_uses_in): Adjust.
        (replace_phi_args_in): Likewise.
        (substitute_and_fold): Take callback to query lattice instead
        of pointer to lattice.  Replace SSA name defs with lattice
        values first.
        * tree-ssa-ccp.c (ccp_finalize): Adjust.
        * tree-ssa-copy.c (copy_prop_visit_phi_node): Adjust.
        (get_value): New function.
        (fini_copy_prop): Adjust.
        * tree-vrp.c (vrp_finalize): Adjust.

2010-08-04  Richard Guenther  <rguenther@suse.de>

        PR middle-end/45176
        * expr.c (expand_expr_real_1): Also preserve TARGET_MEM_REF
        points-to set for original MEM_REF.

2010-08-04  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-ccp.c (get_constant_value): New function.
        (get_rhs_assign_op_for_ccp): Remove.
        (valueize_op): New function.
        (ccp_fold): Use get_constant_value and valueize_op.
        (fold_const_aggregate_ref): Likewise.
        (ccp_fold_stmt): Likewise.
        (visit_assignment): Simplify.

2010-08-04  Richard Guenther  <rguenther@suse.de>

        * Makefile.in (double-int.o): Add $(TOPLEV_H) dependency.
        * double-int.h (double_int_ctz): Declare.
        * double-int.c (double_int_ctz): New function.

2010-08-04  Hariharan Sandanagobalane  <hariharan@picochip.com>

        * config/picochip/picochip.c (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE):
        Define.
        picochip_expand_movmemhi : Expand movmem pattern.
        * config/picochip/picochip-protos.h (picochip_expand_movmemhi) :
        Declare.
        * config/picochip/picochip.md (movmemhi) : New pattern.

2010-08-03  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/unix.h (GLOBAL_ASM_OPS): Add tabs around .globl.

2010-08-03  Bernd Schmidt  <bernds@codesourcery.com>

        * simplify-rtx.c (simplify_binary_operation_1): Try to simplify away
        NEG as operand of a MULT by merging it with the other operand.
        * combine.c (make_compound_operation): Use trunc_int_for_mode when
        generating a MULT with constant.  Canonicalize PLUS and MINUS involving
        MULT.
        * config/arm/constraints.md (M): Examine only 32 bits of a
        HOST_WIDE_INT.
        * config/arm/predicates.md (power_of_two_operand): Likewise.

2010-08-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (spu_emit_branch_hint): Do not access NOTE_KIND of
        non-NOTE insns.

2010-08-03  Jan Hubicka  <jh@suse.cz>

        * ipa-split.c (struct split_point): Add split_part_set_retval.
        (find_retval): Forward declare.
        (test_nonssa_use, mark_nonssa_use): Special case return by reference.
        (consider_split): Compute current->split_part_set_retval.
        (visit_bb): Do not look into return value.
        (split_function): Handle !split_part_set_retval

2010-08-03  Martin Jambor  <mjambor@suse.cz>

        * tree-sra.c (completely_scalarize_record): New parameter REF, create
        its own access->expr intead of using build_ref_for_offset.

2010-08-03  Joseph Myers  <joseph@codesourcery.com>

        * config/alpha/alpha.h (SWITCH_TAKES_ARG): Define.
        * config/alpha/osf5.h (LIB_SPEC): Don't handle -a.
        * config/bfin/bfin.h (ASM_SPEC, LINK_SPEC): Don't pass -G* options.
        * config/darwin.h (WORD_SWITCH_TAKES_ARG): Handle -iframework.
        * config/ia64/ia64.h (SWITCH_TAKES_ARG): Define.
        * config/iq2000/iq2000.h (SWITCH_TAKES_ARG): Remove.
        * config/rs6000/sysv4.h (SWITCH_TAKES_ARG): Define using
        DEFAULT_SWITCH_TAKES_ARG.
        * config/rx/rx.opt (-patch=): Remove option.
        * config/rx/rx.c (rx_handle_option): Don't handle OPT_patch_.
        * defaults.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Handle -imultilib.
        * doc/invoke.texi (RX Options): Remove -patch=.
        * gcc.c (cc1_options): Pass -aux-info* instead of -a* options.
        (option_map): Remove --profile-blocks, --quiet and --silent.

2010-08-03  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.h (ix86_compare_op0, ix86_compare_op1): Remove.
        * config/i386/i386.c (ix86_compare_op0, ix86_compare_op1): Remove.
        (ix86_expand_branch): Add op0 and op1 arguments.  Do not access
        ix86_compare_op0 and ix86_compare_op1, use op0 and op1 instead.
        Update calls to ix86_expand_compare and ix86_expand_branch.
        (ix86_expand_setcc): Add op0 and op1 arguments.  Update calls to
        ix86_expand_compare.
        (ix86_expand_compare): Add op0 and op1 arguments.  Do not access
        ix86_compare_op0 and ix86_compare_op1, use op0 and op1 instead.
        Make static.
        (ix86_expand_carry_flag_compare): Do not set ix86_compare_op0
        and ix86_compare_op1.  Update calls to ix86_expand_compare.
        (ix86_expand_int_movcc): Ditto.
        (ix86_expand_fp_movcc): Ditto.  Update calls to ix86_expand_setcc.
        * config/i386/i386-protos.h (ix86_expand_branch): Update prototype.
        (ix86_expand_setcc): Ditto.
        (ix86_expand_compare): Remove prototype.
        * config/i386/i386.md (cbranch<SDWIM:mode>4): Do not set
        ix86_compare_op0 and ix86_compare_op1.  Update calls
        to ix86_expand_branch to directly pass operands[1] and operands[2].
        (cbranchxf4): Ditto.
        (cbranch<MODEF:mode>4): Ditto.
        (cbranchcc4): Ditto.
        (cstore<SWIM:mode>4): Do not set ix86_compare_op0 and ix86_compare_op1.
        Update calls to ix86_expand_setcc to directly pass operands[2] and
        operands[3].
        (cstorexf4): Ditto.
        (cstore<MODEF:mode>4): Ditto.
        (cstorecc4): Ditto.

2010-08-02  Bernd Schmidt  <bernds@codesourcery.com>

        PR target/45063
        * caller-save.c (save_call_clobbered_regs): Remove regs from
        hard_regs_saved when they are set.

2010-08-02  Uros Bizjak  <ubizjak@gmail.com>

        PR target/41089
        * config/alpha/alpha.c (alpha_build_builtin_va_list): Mark __offset
        as volatile.

2010-08-02  Sebastian Pop  <sebastian.pop@amd.com>

        * common.opt (ftree-loop-distribute-patterns): New.
        * invoke.texi (-ftree-loop-distribute-patterns): Documented.
        * opts.c (decode_options): Enable flag_tree_loop_distribute_patterns
        at -O3.
        * tree-data-ref.c (stores_zero_from_loop): New.
        * tree-data-ref.h (stores_zero_from_loop): Declared.
        * tree-loop-distribution.c (tree_loop_distribution): Call
        stores_zero_from_loop.
        (tree_loop_distribution): Check flag_tree_loop_distribute_patterns.

2010-08-02  Bernd Schmidt  <bernds@codesourcery.com>

        * postreload.c (reload_cse_simplify_operands): Take attribute enabled
        into account.

        * final.c (final_scan_insn): Call CC_STATUS_INIT unconditionally.
        * config/arm/arm.c (thumb1_code): New variable.
        (arm_override_options): Set it.
        (thumb1_final_prescan_insn): Keep track of condition code status.
        (arm_adjust_cost): For Thumb, try to keep cc-setting insns next to
        jumps that depend on them.
        * config/arm/arm.h (thumb1_code): Declare variable.
        (struct machine_function): Guard with #ifndef GENERATOR_FILE.  Add
        members thumb1_cc_insn, thumb1_cc_op0, thumb1_cc_op1 and
        thumb1_cc_mode.
        (CC_STATUS_INIT): New macro.
        * config/arm/constraints.md (Pd): New constraint.
        * config/arm/predicates.md (noov_comparison_operator): New predicate.
        * config/arm/arm.md (is_thumb1): New define_attr.
        (conds): Set default to "clob" when generating Thumb1 code.
        (thumb1_bicsi3): Renamed from bicsi3.  All uses changed.  Condition
        code are set.  Use two-operand assembly syntax.
        (thumb1_subsi3_insn): Condition codes are set.  Now a properly named
        pattern.
        (thumb1_andsi3_insn, thumb1_iorsi3_insn, thumb1_xorsi3_insn): Condition
        codes are set.  Use two-operand assembly syntax.
        (zero_extendhisi splitter): Remove constraints.
        (thumb1_movsi_insn, thumb1_movhi_insn, thumb1_movqi_insn, thumb1_movhf,
        thumb1_movsf_insn): Set conds attribute as appropriate.
        (cbranchsi4_insn): Use condition code status from struct
        machine_function to determine whether the comparison can be eliminated.
        Discourage the alternative using high registers.
        (movsi_cbranchsi4, andsi3_cbranch, orrsi3_cbranch_scratch,
        orrsi3_cbranch, xorsi3_cbranch_scratch, xorsi3_cbranch,
        bicsi3_cbranch_scratch, bicsi3_cbranch, subsi3_cbranch_scratch,
        subsi3_cbranch): Delete.
        (movsi_cbranchsi4 peepholes): Rewrite to generate a sequence of
        one subtract and one cbranch insn.

        * config/arm/thumb2.md (thumb2_movdi, thumb2_movsf_soft_insn,
        thumb2_movdf_soft_insn): Delete patterns.
        * config/arm/arm.md (arm_pool_range, thumb2_pool_range,
        arm_neg_pool_range, thumb2_neg_pool_range): New attributes.
        (pool_range, neg_pool_range): Use them to define defaults.
        (movdi, arm_movsf_soft_insn, arm_movdf_soft_insn): Define them
        and allow for TARGET_32BIT.

        PR target/40457
        * config/arm/arm.h (arm_regs_in_sequence): Declare.
        * config/arm/arm-protos.h (emit_ldm_seq, emit_stm_seq,
        load_multiple_sequence, store_multiple_sequence): Delete
        declarations.
        (arm_gen_load_multiple, arm_gen_store_multiple): Adjust
        declarations.
        * config/arm/ldmstm.md: New file.
        * config/arm/arm.c (arm_regs_in_sequence): New array.
        (load_multiple_sequence): Now static.  New args SAVED_ORDER,
        CHECK_REGS.  All callers changed.
        If SAVED_ORDER is nonnull, copy the computed order into it.
        If CHECK_REGS is false, don't sort REGS.  Handle Thumb mode.
        (store_multiple_sequence): Now static.  New args NOPS_TOTAL,
        SAVED_ORDER, REG_RTXS and CHECK_REGS.  All callers changed.
        If SAVED_ORDER is nonnull, copy the computed order into it.
        If CHECK_REGS is false, don't sort REGS.  Set up REG_RTXS just
        like REGS.  Handle Thumb mode.
        (arm_gen_load_multiple_1): New function, broken out of
        arm_gen_load_multiple.
        (arm_gen_store_multiple_1): New function, broken out of
        arm_gen_store_multiple.
        (arm_gen_multiple_op): New function, with code from
        arm_gen_load_multiple and arm_gen_store_multiple moved here.
        (arm_gen_load_multiple, arm_gen_store_multiple): Now just
        wrappers around arm_gen_multiple_op.  Remove argument UP, all callers
        changed.
        (gen_ldm_seq, gen_stm_seq, gen_const_stm_seq): New functions.
        * config/arm/predicates.md (commutative_binary_operator): New.
        (load_multiple_operation, store_multiple_operation): Handle more
        variants of these patterns with different starting offsets.  Handle
        Thumb-1.
        * config/arm/arm.md: Include "ldmstm.md".
        (ldmsi_postinc4, ldmsi_postinc4_thumb1, ldmsi_postinc3, ldmsi_postinc2,
        ldmsi4, ldmsi3, ldmsi2, stmsi_postinc4, stmsi_postinc4_thumb1,
        stmsi_postinc3, stmsi_postinc2, stmsi4, stmsi3, stmsi2 and related
        peepholes): Delete.
        * config/arm/ldmstm.md: New file.
        * config/arm/arm-ldmstm.ml: New file.

        * config/arm/arm.c (arm_rtx_costs_1): Remove second clause from the
        if statement which adds extra costs to frame-related expressions.

2010-08-02  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm.c (COSTS_N_INSNS): Remove definition.

2010-08-01  Uros Bizjak  <ubizjak@gmail.com>

        PR target/45142
        * config/i386/sse.md (vec_set<mode>_0): Do not set mode attribute for
        alternative 2.
        (vec_set<mode>_0 splitter): Use SSEMODE4S mode iterator to also
        split V4SI operands.

2010-08-01  Anatoly Sokolov  <aesok@post.ru>

        * config/mmix/mmix.h (ASM_OUTPUT_SOURCE_FILENAME): Remove macro.
        * config/mmix/mmix-protos.h (mmix_asm_output_source_filename): Remove.
        * config/mmix/mmix.c (mmix_asm_output_source_filename): Make static.
        (TARGET_ASM_OUTPUT_SOURCE_FILENAME): Define.

2010-07-31  Kai Tietz  <kai.tietz@onevision.com>

        * cppdefault.c (cpp_include_defaults): Move GCC_INCLUDE_DIR before
        LOCAL_INCLUDE_DIR.

2010-07-31  Richard Sandiford  <rdsandiford@googlemail.com>

        * tree-ssa-math-opts.c (convert_plusminus_to_widen): Fix type
        used in the call to optab_for_tree_code.  Fix the second
        is_widening_mult_p call.  Check that both unwidened operands
        have the same sign.

2010-07-31  John Tytgat  <John.Tytgat@aaug.net>

        * config/arm/arm.c (arm_function_arg): Remove superfluous test.

2010-07-31  Anatoly Sokolov  <aesok@post.ru>

        * config/spu/spu.h (ASM_OUTPUT_SOURCE_FILENAME): Remove macro.

2010-07-30  DJ Delorie  <dj@redhat.com>

        * config/rx/predicates.md (rx_constshift_operand): New.
        * config/rx/rx.md (zs_cond): New.
        (cbranchsi4): Remove mode.
        (*cbranchsi4_<code>): Likewise.
        (*tstbranchsi4_<code>): New.
        (*tstbranchsi4r_<code>): New.
        (*tstbranchsi4m_eq): New.
        (*tstbranchsi4m_ne): New.
        (cbranchsf4): Remove mode.
        (*cbranchsf4_<code>): Likewise.

2010-07-30  Bernd Schmidt  <bernds@codesourcery.com>

        * rtlanal.c (simplify_subreg_regno): Don't treat
        HARD_FRAME_POINTER_REGNUM specially.

2010-07-30  Joseph Myers  <joseph@codesourcery.com>

        * common.opt (-G): Don't define option here.
        * config/g.opt: New.
        * config.gcc: Use g.opt for alpha, frv, ia64, lm32, m32r, mips,
        rs6000/powerpc and score targets.
        * opts.c (common_handle_option): Don't handle -G here.
        * config/alpha/alpha.c (alpha_handle_option): Handle -G.
        * config/frv/frv.c (frv_handle_option): Handle -G.
        * config/ia64/ia64.c (ia64_handle_option): Handle -G.
        * config/lm32/lm32.c (lm32_handle_option, TARGET_HANDLE_OPTION): New.
        * config/m32r/m32r.c (m32r_handle_option): Handle -G.
        * config/mips/mips.c (mips_handle_option): Handle -G.
        * config/rs6000/rs6000.c (rs6000_handle_option) Handle -G.
        * config/score/score.c (score_handle_option): Handle -G.

2010-07-30  Anatoly Sokolov  <aesok@post.ru>

        * config/mmix/mmix.c: Include basic-block.h.

2010-07-30  Jakub Jelinek  <jakub@redhat.com>

        PR debug/45055
        PR rtl-optimization/45137
        * rtl.h (prev_nonnote_nondebug_insn, next_nonnote_nondebug_insn): New
        prototypes.
        * emit-rtl.c (prev_nonnote_nondebug_insn, next_nonnote_nondebug_insn):
        New functions.
        * combine.c (next_nonnote_nondebug_insn): Removed.
        * ifcvt.c (noce_process_if_block): Use prev_nonnote_nondebug_insn.
        * haifa-sched.c (queue_to_ready): Use next_nonnote_nondebug_insn.
        * sched-deps.c (sched_analyze_insn): Likewise.
        (fixup_sched_groups, deps_start_bb): Use prev_nonnote_nondebug_insn.
        * rtlanal.c (canonicalize_condition): Likewise.
        * postreload.c (reload_combine_recognize_pattern): Likewise.
        (reload_cse_move2add): Use next_nonnote_nondebug_insn.

2010-07-29  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (int_cond): Remove code iterator.
        (fp_cond): Ditto.
        (cbranch<mode>4): Use ordered_comparison_operator predicate
        for operator0.
        (cstore<mode>4): Ditto for operator1.
        (mov<SWIM:mode>cc and corresponding splitter): Ditto.
        (add<mode>cc): ditto.

2010-07-30  Richard Guenther  <rguenther@suse.de>

        PR middle-end/45141
        * expr.c (expand_expr_real_1): Check for not handled base address.

2010-07-30  Richard Guenther  <rguenther@suse.de>

        * ipa-prop.c (ipa_modify_formal_parameters): Use
        build_distinct_type_copy.

2010-07-30  Anthony Green  <green@moxielogic.com>

        * config/moxie/rtems.h: New file.
        * config.gcc: Add moxie-rtems support.

2010-07-29  Bernd Schmidt  <bernds@codesourcery.com>

        * dce.c (run_word_dce): Take flag_dce into account.  Clear and restore
        df flags as in run_fast_df_dce.

2010-07-29  Jakub Jelinek  <jakub@redhat.com>

        Revert:
        2010-07-27  Bernd Schmidt  <bernds@codesourcery.com>

        * rtl.def (NOTE): Swap operands 4 and 5.
        * rtl.h (NOTE_DATA, NOTE_DELETED_LABEL_NAME, NOTE_BLOCK,
        NOTE_EH_HANDLER, NOTE_BASIC_BLOCK, NOTE_VAR_LOCATION, NOTE_KIND):
        Adjust accordingly.
        * gengtype.c (adjust_field_rtx_def): Swap operands 4 and 5 of NOTEs.

2010-07-29  Jakub Jelinek  <jakub@redhat.com>

        PR debug/45110
        * dwarf2out.c (dwarf_attr_name): Handle DW_AT_object_pointer.
        (gen_formal_types_die): Add DW_AT_object_pointer in methods.
        (gen_subprogram_die): Likewise.  Remove it when removing declaration's
        formal parameters.
        (gen_decl_die): Change return type to dw_die_ref, return what
        gen_formal_parameter_die returned.

2010-07-29  Martin Jambor  <mjambor@suse.cz>

        * dbgcnt.def (eipa_sra): New counter.
        * tree-sra.c (ipa_early_sra_gate): Also check eipa_sra debug counter.

2010-07-29  Xinliang David Li  <davidxl@google.com>

        PR bootstrap/45119
        * tree-ssa-loop-ivopts.c (get_address_cost): Revert change
        in revision 162652.

2010-07-29  Richard Guenther  <rguenther@suse.de>

        * timevar.def (TV_TREE_STORE_COPY_PROP): Remove.
        (TV_TREE_STORE_CCP): Likewise.
        (TV_TREE_REDPHI): Likewise.

2010-07-29  Richard Guenther  <rguenther@suse.de>

        * double-int.h (double_int_and_not): New function.
        * combine.c (try_combine): Use it.
        * tree-vrp.c (simplify_bit_ops_using_ranges): Likewise.

2010-07-29  Bernd Schmidt  <bernds@codesourcery.com>

        PR rtl-optimization/42575
        * dce.c (word_dce_process_block): Renamed from byte_dce_process_block.
        Argument AU removed.  All callers changed.  Ignore artificial refs.
        Use return value of df_word_lr_simulate_defs to decide whether an insn
        is necessary.
        (fast_dce): Rename arg to WORD_LEVEL.
        (run_word_dce): Renamed from rest_of_handle_fast_byte_dce.  No longer
        static.
        (pass_fast_rtl_byte_dce): Delete.
        * dce.h (run_word_dce): Declare.
        * df-core.c (df_print_word_regset): Renamed from df_print_byteregset.
        All callers changed.  Simplify code to only deal with two-word regs.
        * df.h (DF_WORD_LR): Renamed from DF_BYTE_LR.
        (DF_WORD_LR_BB_INFO): Renamed from DF_BYTE_LR_BB_INFO.
        (DF_WORD_LR_IN): Renamed from DF_BYTE_LR_IN.
        (DF_WORD_LR_OUT): Renamed from DF_BYTE_LR_OUT.
        (struct df_word_lr_bb_info): Renamed from df_byte_lr_bb_info.
        (df_word_lr_mark_ref): Declare.
        (df_word_lr_add_problem, df_word_lr_mark_ref, df_word_lr_simulate_defs,
        df_word_lr_simulate_uses): Declare or rename from byte variants.
        (df_byte_lr_simulate_artificial_refs_at_top,
        df_byte_lr_simulate_artificial_refs_at_end, df_byte_lr_get_regno_start,
        df_byte_lr_get_regno_len, df_compute_accessed_bytes): Delete
        declarations.
        (df_word_lr_get_bb_info): Rename from df_byte_lr_get_bb_info.
        (enum df_mm): Delete.
        * df-byte-scan.c: Delete file.
        * df-problems.c (df_word_lr_problem_data): Renamed from
        df_byte_lr_problem_data, all members deleted except for
        WORD_LR_BITMAPS, which is renamed from BYTE_LR_BITMAPS.  Uses changed.
        (df_word_lr_expand_bitmap, df_byte_lr_simulate_artificial_refs_at_top,
        df_byte_lr_simulate_artificial_refs_at_end, df_byte_lr_get_regno_start,
        df_byte_lr_get_regno_len, df_byte_lr_check_regs,
        df_byte_lr_confluence_0): Delete functions.
        (df_word_lr_free_bb_info): Renamed from df_byte_lr_free_bb_info; all
        callers changed.
        (df_word_lr_alloc): Renamed from df_byte_lr_alloc; all callers changed.
        Don't initialize members that were deleted, don't try to discover data
        about registers.  Ignore hard regs.
        (df_word_lr_reset): Renamed from df_byte_lr_reset; all callers changed.
        (df_word_lr_mark_ref): New function.
        (df_word_lr_bb_local_compute): Renamed from
        df_byte_bb_lr_local_compute; all callers changed.  Use
        df_word_lr_mark_ref.  Assert that artificial refs don't include
        pseudos.  Ignore hard registers.
        (df_word_lr_local_compute): Renamed from df_byte_lr_local_compute.
        Assert that exit block uses don't contain pseudos.
        (df_word_lr_init): Renamed from df_byte_lr_init; all callers changed.
        (df_word_lr_confluence_n): Renamed from df_byte_lr_confluence_n; all
        callers changed.  Ignore hard regs.
        (df_word_lr_transfer_function): Renamed from
        df_byte_lr_transfer_function; all callers changed.
        (df_word_lr_free): Renamed from df_byte_lr_free; all callers changed.
        (df_word_lr_top_dump): Renamed from df_byte_lr_top_dump; all callers
        changed.
        (df_word_lr_bottom_dump): Renamed from df_byte_lr_bottom_dump; all
        callers changed.
        (problem_WORD_LR): Renamed from problem_BYTE_LR; uses changed;
        confluence operator 0 set to NULL.
        (df_word_lr_add_problem): Renamed from df_byte_lr_add_problem; all
        callers changed.
        (df_word_lr_simulate_defs): Renamed from df_byte_lr_simulate_defs.
        Return bool, true if bitmap changed or insn otherwise necessary.
        All callers changed.  Simplify using df_word_lr_mark_ref.
        (df_word_lr_simulate_uses): Renamed from df_byte_lr_simulate_uses;
        all callers changed.  Simplify using df_word_lr_mark_ref.
        * lower-subreg.c: Include "dce.h"
        (decompose_multiword_subregs): Call run_word_dce if df available.
        * Makefile.in (lower-subreg.o): Adjust dependencies.
        (df-byte-scan.o): Delete.
        * timevar.def (TV_DF_WORD_LR): Renamed from TV_DF_BYTE_LR.

2010-07-29  Richard Guenther  <rguenther@suse.de>

        * tree.c (build_vector): Assert that the vector constant
        has enough elements.
        (build_vector_from_ctor): Pad with trailing zeros.

2010-07-29  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/45120
        * tree-ssa-structalias.c (get_constraint_for_component_ref):
        Handle offset in DEREFs properly.
        (get_constraint_for_1): Handle MEM_REF offset properly.

2010-07-29  Richard Guenther  <rguenther@suse.de>

        PR middle-end/45034
        * convert.c (convert_to_integer): Always use an unsigned
        type for narrowed negate and bitwise not.

2010-07-29  Ira Rosen  <irar@il.ibm.com>

        * tree-vect-loop.c (vect_create_epilog_for_reduction): Switch
        to outer loop when creating reduction epilogue for double reduction,
        and switch back to the inner loop when updating the phi nodes.
        Update uses of outer loop exit phi nodes in double reduction (instead
        of uses of reduction).

2010-07-28  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/rs6000.c (rs6000_rtx_costs): Update costs for
        popcount on power7 and parity on power6 systems.
        (rs6000_emit_popcount): Rename gen_popcntwsi2 to gen_popcntddi2.
        (rs6000_emit_parity): Add support for power6 prtyd/prtyw
        instructions.

        * config/rs6000/rs6000.md (UNSPEC_COPYSIGN): New unspec.
        (UNSPEC_PARITY): Ditto.
        (SFDF): New iterator for SF/DF.
        (rreg2): New mode attribute for floating register constraint.
        (TARGET_FLOAT): New mode attribute for whether single/double float
        is supported.
        (popcntd<mode>2): Combine popcntwsi2 and popcntddi2 into one
        pattern.
        (parity<mode>2_cmpb): New insn for parity on power6 and newer
        machines.
        (copysign<mode>3): Combine copysignsf3, copysigndf3 into one
        pattern.  Add support for fcpsgn instruction added in power6.
        (copysignsf3): Delete.
        (copysigndf3): Delete.
        (copysign<mode>3_fcpsgn): New insn to generate fcpsgn.  Use UNSPEC
        instead of if_then_else in RTL to avoid problems with -0.

        * config/rs6000/vsx.md (vsx_copysign<mode>3): Use UNSPEC instead
        of if_then_else to mirror scalar code.
        (vsx_copysignsf3): Delete, use copysign<mode>3_fcpsgn in
        rs6000.md.

        * config/rs6000/vector.md (vector_copysign<mode>3): Use UNSPEC
        instead of if_then_else.

2010-07-28  Xinliang David Li  <davidxl@google.com>

        * tree-ssa-loop-ivopts.c (avg_loop_niter): New function.
        (dump_cand): Dump var_before/after.
        (htab_inv_expr_eq): New function.
        (htab_inv_expr_hash): New function.
        (tree_ssa_iv_optimize_init): Support pseudo invariants.
        (add_candidate_1): consider base type precision.
        (set_use_iv_cost): New parameter.
        (adjust_setup_cost): Use profile information.
        (get_address_cost): Do not hard code width in computing address
        offset limits.
        (compare_aff_trees): New function.
        (get_loop_invariant_expr_id): New function.
        (get_computation_cost_at): New parameter and use profile information.
        (get_computation_cost): New parameter.
        (determine_use_iv_cost_generic): Pass new parameter.
        (determine_use_iv_cost_address): Ditto.
        (determine_use_iv_cost_condition): Ditto.
        (autoinc_possible_for_pair): Ditto.
        (determine_use_iv_costs): More dumps.
        (iv_ca_get_num_inv_exprs): New function.
        (iv_ca_recount_cost): Consider loop invariants in register pressure
        cost.
        (iv_ca_add_use): New parameter.
        (iv_ca_dump): Better dumping.
        (iv_ca_extend): New parameter.
        (try_add_cand_for): Attempt to get better partial solution.
        (try_improve_iv_set): Pass new parameter to iv_ca_extend.
        (create_new-ivs): More dumps.
        (rewrite_use_compare): Ditto.
        (free_loop_data): More cleanup.
        (treee_ssa_iv_optimize_finalize): Ditto.

2010-07-28  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/i386.h (MCOUNT_NAME_BEFORE_PROLOGUE): New.
        * config/i386/i386.c (ix86_profile_before_prologue): New.
        (override_options): Add special handling for -mfentry.
        (ix86_function_regparm): Likewise.
        (ix86_function_sseregparm): Likewise.
        (ix86_frame_pointer_required): Likewise.
        (ix86_expand_prologue): Check for ms_hook_prologue.
        (x86_function_profiler): Adjust mcount output.
        (TARGET_PROFILE_BEFORE_PROLOGUE): Define hook.
        * config/i386/i386.opt (mfentry): New.
        * doc/invoke.texi (mfentry): Add documentation.
        * doc/tm.texi: Regenerated..
        * doc/tm.texi.in (TARGET_PROFILE_BEFORE_PROLOGUE): New.
        * final.c (final_start_function): Replace macro
        PROFILE_BEFORE_PROLOGUE by target hook.
        * function.c (thread_prologue_and_epilogue_insns): Likewise.
        * target.def (profile_before_prologue): New hook.
        * targhooks.c (default_profile_before_prologue): New.
        * targhooks.h (default_profile_before_prologue): New.

2010-07-28  Jakub Jelinek  <jakub@redhat.com>

        PR debug/45105
        * gcse.c (hoist_code): Use FOR_BB_INSNS macro.

        PR debug/45103
        * dwarf2out.c (dwarf2out_var_location): Always consider
        NOTE_DURING_CALL_P notes, even when not followed by real instructions.

2010-07-28  Maxim Kuvyrkov  <maxim@codesourcery.com>

        PR rtl-optimization/45107
        * gcse.c (hash_scan_set): Use max_distance for gcse-las.

2010-07-28  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-ccp.c: Remove comment regarding STORE-CCP.
        (set_lattice_value): Do not query an old default value.
        (get_value_for_expr): New function.  Properly canonicalize
        float values.
        (ccp_visit_phi_node): Use it.

2010-07-28  Chung-Lin Tang  <cltang@codesourcery.com>

        * config/arm/arm.c (arm_pcs_default): Remove static.
        * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __ARM_PCS or
        __ARM_PCS_VFP to indicate soft/hard-float calling convention.
        (arm_pcs_default): Declare.

2010-07-28  Iain Sandoe  <iains@gcc.gnu.org>

        * config/rs6000/rs6000.c (rs6000_override_options):
        Use TARGET_MACHO inline, move darwin_one_byte_bool from here...
        ... to darwin_rs6000_override_options.
        (rs6000_return_in_memory): Update preceding comment for darwin
        64 bit ABI.  Use TARGET_MACHO inline.
        (rs6000_darwin64_struct_check_p): New.
        (function_arg_advance): Use rs6000_darwin64_struct_check_p.
        (function_arg): Likewise.
        (rs6000_arg_partial_bytes): Likewise.
        (rs6000_function_value): Likewise.

2010-07-28  Andi Kleen  <ak@linux.intel.com>

        * lto-opts.c (lto_file_read_options): Add loop over all inputs.

2010-07-28  Richard Guenther  <rguenther@suse.de>

        PR middle-end/44903
        * builtins.c (fold_builtin_memory_op): On STRICT_ALIGNMENT
        targets try harder to not generate unaligned accesses.

2010-07-28  Maxim Kuvyrkov  <maxim@codesourcery.com>

        PR rtl-optimization/45101
        * gcse.c (hash_scan_set): Fix argument ordering of insert_expr_in_table
        for gcse-las.

2010-07-28  Eric Botcazou  <ebotcazou@adacore.com>

        PR tree-optimization/44885
        * tree-sra.c (find_param_candidates): Skip pointer types to arrays
        with non-aliased component.

2010-07-28  Joseph Myers  <joseph@codesourcery.com>

        * config/darwin-driver.c (SWITCH_TAKES_ARG,
        WORD_SWITCH_TAKES_ARG): Remove.
        * cppspec.c (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG): Remove.
        * defaults.h (DEFAULT_SWITCH_TAKES_ARG,
        DEFAULT_WORD_SWITCH_TAKES_ARG): Move from gcc.h.
        (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG): Move default
        definitions from gcc.c.
        * gcc.c (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG): Move to
        defaults.h.
        * gcc.h (DEFAULT_SWITCH_TAKES_ARG, DEFAULT_WORD_SWITCH_TAKES_ARG):
        Move to defaults.h.
        * opts-common.c: Include tm.h.
        (decode_cmdline_option): Use SWITCH_TAKES_ARG and
        WORD_SWITCH_TAKES_ARG to count arguments to unknown options.
        Handle more than one argument.  Set canonical_option_num_elements.
        (decode_cmdline_options_to_array): Set
        canonical_option_num_elements and trailing elements of
        canonical_option.
        * opts.h (struct cl_decoded_option): Allow four elements in
        canonical_option.  Add field canonical_option_num_elements.
        * Makefile.in (opts-common.o): Update dependencies.

2010-07-28  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/44790
        PR middle-end/44993
        * expr.c (expand_expr_real_1) <MEM_REF>: Revert latest change.  Make
        sure the base has address_mode before adding the offset.

2010-07-27  Xinliang David Li  <davidxl@google.com>

        * tree-flow.h (create_mem_ref): Add one new parameter.
        * tree-ssa-address.c (create_mem_ref): New parameter.
        (addr_to_parts): Ditto.
        (move_variant_to_index): New function.
        * tree-ssa-loop-ivopts.c (rewrite_use_address): Pass new argument.

2010-07-27  Bernd Schmidt  <bernds@codesourcery.com>

        * rtl.def (DEBUG_INSN, INSN, JUMP_INSN, CALL_INSN, NOTE): Swap operands
        4 and 5.
        * rtl.h (PATTERN, INSN_LOCATOR, NOTE_DATA, NOTE_DELETED_LABEL_NAME,
        NOTE_BLOCK, NOTE_EH_HANDLER, NOTE_BASIC_BLOCK, NOTE_VAR_LOCATION,
        NOTE_KIND, LABEL_NUSES, LABEL_REFS): Adjust accordingly.
        * gengtype.c (adjust_field_rtx_def): Swap operands 4 and 5 of
        CODE_LABELs and NOTEs.
        * caller-save.c (init_caller_save): Fix up gen_rtx_INSN call.
        * combine.c (try_combine): Likewise.
        * ira.c (setup_prohibited_mode_move_regs): Likewise.
        * print-rtl.c (print_rtx): Start REG_NOTES on a new line.

2010-07-27  Joseph Myers  <joseph@codesourcery.com>

        * coretypes.h (struct cl_option_handlers): Declare.
        * hooks.c (hook_int_size_t_constcharptr_int_0): Remove.
        * hooks.h (hook_int_size_t_constcharptr_int_0): Remove.
        * langhooks-def.h (lhd_handle_option): Declare.
        (LANG_HOOKS_HANDLE_OPTION): Use lhd_handle_option.
        * langhooks.c (lhd_handle_option): New.
        * langhooks.h (struct lang_hooks): Update prototype and return
        value type of handle_option hook.
        * optc-gen.awk: Generate target_flags_explicit definition for the
        driver.
        * opts-common.c: Include diagnostic.h.
        (handle_option): Move from opts.c.  Update prototype and return
        value type.  Use handlers structure.
        (read_cmdline_option): Move from opts.c.  Update prototype.  Use
        handlers structure.
        (set_option): Move from opts.c.
        * opts.c (common_handle_option): Update prototype and return value
        type.  Update calls to handle_option and enable_warning_as_error.
        (unknown_option_callback, post_handling_callback,
        lang_handle_option, target_handle_option): New.
        (handle_option, read_cmdline_option): Move to opts-common.c.
        (read_cmdline_options): Update prototype.  Update call to
        read_cmdline_option.
        (decode_options): Initialize and use handlers structure.
        (set_option): Move to opts-common.c.
        (enable_warning_as_error): Update prototype.  Update call to
        handle_option.
        * opts.h (struct cl_option_handler_func, struct
        cl_option_handlers): New.
        (handle_option, enable_warning_as_error): Update prototypes.
        (read_cmdline_option): Declare.
        * Makefile.in (opts-common.o): Update dependencies.

2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * config/arm/arm.c (params.h): Include.
        (arm_override_options): Tune gcse-unrestricted-cost.
        * config/arm/t-arm (arm.o): Define dependencies.

2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>

        PR target/42495
        PR middle-end/42574
        * basic-block.h (get_dominated_to_depth): Declare.
        * dominance.c (get_dominated_to_depth): New function, use
        get_all_dominated_blocks as a base.
        (get_all_dominated_blocks): Use get_dominated_to_depth.

        * gcse.c (occr_t, VEC (occr_t, heap)): Define.
        (hoist_exprs): Remove.
        (alloc_code_hoist_mem, free_code_hoist_mem): Update.
        (compute_code_hoist_vbeinout): Add debug print outs.
        (hoist_code): Partially rewrite, simplify.  Use get_dominated_to_depth.

        * params.def (PARAM_MAX_HOIST_DEPTH): New parameter to avoid
        quadratic behavior.
        * params.h (MAX_HOIST_DEPTH): New macro.
        * doc/invoke.texi (max-hoist-depth): Document.

2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>

        PR rtl-optimization/40956
        * config/arm/arm.c (thumb1_size_rtx_costs): Fix cost of simple
        constants.

2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>

        PR target/42495
        PR middle-end/42574
        * config/arm/arm.c (legitimize_pic_address): Use
        gen_calculate_pic_address pattern to emit calculation of PIC address.
        (will_be_in_index_register): New function.
        (arm_legitimate_address_outer_p, thumb2_legitimate_address_p,)
        (thumb1_legitimate_address_p): Use it provided !strict_p.
        * config/arm/arm.md (calculate_pic_address): New expand and split.

2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>

        PR target/42495
        PR middle-end/42574
        * config/arm/arm.c (thumb1_size_rtx_costs): Add cost for "J" constants.
        * config/arm/arm.md (define_split "J", define_split "K"): Make
        IRA/reload friendly.

2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * gcse.c (insert_insn_end_basic_block): Update signature, remove
        unused checks.
        (pre_edge_insert, hoist_code): Update.

2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>

        PR target/42495
        PR middle-end/42574
        * gcse.c (hoist_expr_reaches_here_p): Remove excessive check.

2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * gcse.c (hoist_code): Generate new pseudo for every new set insn.

2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>

        PR rtl-optimization/40956
        PR target/42495
        PR middle-end/42574
        * gcse.c (compute_code_hoist_vbeinout): Consider more expressions
        for hoisting.
        (hoist_code): Count occurences in current block too.

2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * gcse.c (struct expr:max_distance): New field.
        (doing_code_hoisting_p): New static variable.
        (want_to_gcse_p): Change signature.  Allow constrained hoisting of
        simple expressions, don't change behavior for PRE.  Set max_distance.
        (insert_expr_in_table): Set new max_distance field.
        (hash_scan_set): Update.
        (hoist_expr_reaches_here_p): Stop search after max_distance
        instructions.
        (find_occr_in_bb): New static function.  Use it in ...
        (hoist_code): Calculate sizes of basic block before any changes are
        done.  Pass max_distance to hoist_expr_reaches_here_p.
        (one_code_hoisting_pass): Set doing_code_hoisting_p.

        * params.def (PARAM_GCSE_COST_DISTANCE_RATIO,)
        (PARAM_GCSE_UNRESTRICTED_COST): New parameters.
        * params.h (GCSE_COST_DISTANCE_RATIO, GCSE_UNRESTRICTED_COST): New
        macros.
        * doc/invoke.texi (gcse-cost-distance-ratio, gcse-unrestricted-cost):
        Document.

2010-07-27  Jeff Law  <law@redhat.com>
            Maxim Kuvyrkov  <maxim@codesourcery.com>

        * gcse.c (compute_transpout, transpout): Remove, move logic
        to prune_expressions.
        (compute_pre_data): Move pruning of trapping expressions ...
        (prune_expressions): ... here.  New static function.
        (compute_code_hoist_data): Use it.
        (alloc_code_hoist_mem, free_code_hoist_mem, hoist_code): Update.

2010-07-27  Xinliang David Li  <davidxl@google.com>

        * tree-ssa-loop-ivopts.c (adjust_iv_update_pos): New function.
        (rewrite_use_address): Adjust iv update position when needed.

2010-07-27  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * dbgcnt.def (hoist_insn): New debug counter.
        * gcse.c (hoist_code): Use it.

2010-07-27  Xinliang David Li  <davidxl@google.com>

        * tree-ssa-loop-ivopts.c (niter_for_exit): New parameter.
        (niter_for_single_dom_exit): Passes additional parameter.
        (iv_period): Fix comments.
        (may_eliminate_iv): Handles multiple exit loops properly.
        (free_tree_niter_desc): New function.
        (free_loop_data): Frees up loop iteration descriptors.

2010-07-27  Jakub Jelinek  <jakub@redhat.com>

        PR target/44542
        * cfgexpand.c (expand_one_stack_var_at): Limit align to maximum
        of max_used_stack_slot_alignment and PREFERRED_STACK_BOUNDARY
        instead of MAX_SUPPORTED_STACK_ALIGNMENT.
        (expand_one_var): Don't consider DECL_ALIGN for variables for
        which expand_one_stack_var_at has been already called.

        PR testsuite/44701
        * doc/md.texi: Clarify m and es constraints on PowerPC and m and S
        constraints on IA-64.

2010-07-27  Jie Zhang  <jie@codesourcery.com>

        PR target/44290
        Revert:
        2010-07-23  Jie Zhang  <jie@codesourcery.com>

        * tree-sra.c (ipa_sra_preliminary_function_checks): Return
        false if ! tree_versionable_function_p.

2010-07-27  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (add_data_member_location_attribute): Use
        add_AT_unsigned instead of add_AT_int if offset is non-negative.

2010-07-27  Bernd Schmidt  <bernds@codesourcery.com>

        * postreload.c (try_replace_in_use): New static function.
        (reload_combine_recognize_const_pattern): Use it here.  Allow
        substituting into a final add insn, and substituting into a memory
        reference in an insn that sets the reg.

2010-07-27  Joseph Myers  <joseph@codesourcery.com>

        * common.opt (o): Add MissingArgError.
        * doc/options.texi (MissingArgError): Document.
        * hooks.c (hook_bool_constcharptr_size_t_false): Remove.
        * hooks.h (hook_bool_constcharptr_size_t_false): Remove.
        * langhooks-def.h (LANG_HOOKS_MISSING_ARGUMENT): Remove.
        (LANG_HOOKS_INITIALIZER): Remove missing_argument hook initializer.
        * langhooks.h (struct lang_hooks): Remove missing_argument.
        * optc-gen.awk: Handle MissingArgError and output new structure
        field initializers.
        * opts.c (read_cmdline_option): Use missing_argument_error field
        instead of missing_argument langhook.
        * opts.h (struct cl_option): Add missing_argument_error field.
        * system.h (LANG_HOOKS_MISSING_ARGUMENT): Poison.

2010-07-27  Iain Sandoe  <iains@gcc.gnu.org>

        PR target/29090
        * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Special-case the
        Darwin64 ABI, for zero-sized objects.

2010-07-27  Iain Sandoe  <iains@gcc.gnu.org>

        PR target/35491
        PR target/29090

        Merge from Apple local 4.2.1.
        2005-05-11  Stan Shebs  <shebs@apple.com>
        Fix 64-bit varargs for Darwin (Radar 4028089).
        * config/rs6000/rs6000.h (rs6000_args): New field floats_in_gpr.
        * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_flush):
        Add argument, add case for 8-byte register half-filled with a float.
        (rs6000_darwin64_record_arg_advance_recurse): Detect and handle
        single-precision floats specially.

2010-07-27  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/44152
        * tree-vect-slp.c (vect_build_slp_tree): Collect nodes with
        complex numbers for further check.
        (vect_supported_load_permutation_p): Check nodes with
        complex numbers.

2010-07-27  Joseph Myers  <joseph@codesourcery.com>

        * langhooks-def.h (lhd_init_options, LANG_HOOKS_OPTION_LANG_MASK,
        LANG_HOOKS_COMPLAIN_WRONG_LANG_P): New.
        (LANG_HOOKS_INIT_OPTIONS): Update default definition.
        (LANG_HOOKS_INITIALIZER): Add new hooks.
        * langhooks.c (lhd_init_options, lhd_complain_wrong_lang_p): New.
        * langhooks.h (struct lang_hooks): Add new hooks option_lang_mask
        and complain_wrong_lang_p.  Update init_options prototype.
        * c-objc-common.c (c_initialize_diagnostics): First call
        c_common_initialize_diagnostics.
        * c-objc-common.h (LANG_HOOKS_OPTION_LANG_MASK,
        LANG_HOOKS_COMPLAIN_WRONG_LANG_P): Define.
        * coretypes.h (struct cl_option, struct cl_decoded_option): Declare.
        * hooks.c (hook_uint_uint_constcharptrptr_0): Remove.
        (hook_uint_void_0): New.
        * hooks.h (hook_uint_uint_constcharptrptr_0): Remove.
        (hook_uint_void_0): New.
        * opts-common.c (decode_cmdline_option,
        decode_cmdline_options_to_array): Also fill in canonical_option field.
        * opts.c (complain_wrong_lang): Use langhook to determine whether
        to complain instead of special-casing LTO.
        (decode_options): Separate lang_mask determination with
        option_lang_mask hook from call of init_options hook.
        * opts.h (struct cl_decoded_option): Add canonical_option.

2010-07-27  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/45083
        * tree-inline.c (add_local_variables): Also remap DECL_DEBUG_EXPR.

2010-07-27  Bernd Schmidt  <bernds@codesourcery.com>

        * postreload.c (reload_combine_recognize_const_pattern): Move test
        for limiting the insn movement to the right scope.

        PR rtl-optimization/45051
        * reload1.c (delete_output_reload): Use refers_to_regno_p rather
        than reg_mentioned_p.

2010-07-26  Richard Henderson  <rth@redhat.com>

        PR target/44132
        * tree-emutls.c: New file.
        * Makefile.in (OBJS-common): Add it.
        * tree-pass.h (pass_ipa_lower_emutls): Declare.
        * passes.c (init_optimization_passes): Add it.

        * dwarf2out.c (loc_list_from_tree): If emutls.debug_form_tls_address,
        pull the control variable from DECL_VALUE_EXPR, not emutls_decl.
        * expr.c (emutls_var_address): Delete.
        (expand_expr_addr_expr_1, expand_expr_real_1): Don't use it.
        * output.h (SECCAT_EMUTLS_VAR, SECCAT_EMUTLS_TMPL): Delete.
        (emutls_finish): Delete.
        * toplev.c (compile_file): Don't call it.
        * tree.h (emutls_decl): Delete.
        * varasm.c (emutls_htab, DECL_EMUTLS_VAR_P): Delete.
        (emutls_finish, emutls_finalize_control_var): Delete.
        (emutls_object_type): Move to tree-emutls.c.
        (EMUTLS_SEPARATOR, prefix_name, get_emutls_object_name,
        default_emutls_var_fields, get_emutls_object_type,
        get_emutls_init_templ_addr, emutls_decl, emutls_common_1
        default_emutls_var_init): Likewise.
        (get_variable_section): Don't special case emutls.
        (assemble_variable, do_assemble_alias, categorize_decl_for_section,
        default_elf_select_section, default_unique_section,
        default_encode_section_info): Likewise.
        * varpool.c (decide_is_variable_needed): Likewise.
        * gimple-iterator.c (update_call_edge_frequencies): New
        (gsi_insert_on_edge_immediate): Use it.
        (gsi_insert_seq_on_edge_immediate): Likewise.
        (gsi_commit_one_edge_insert): Likewise.

        * config/i386/i386.c (x86_64_elf_select_section): Don't handle
        SECCAT_EMUTLS_VAR, SECCAT_EMUTLS_TMPL.
        (x86_64_elf_unique_section): Likewise.

2010-07-26  Jan Hubicka  <jh@suse.cz>

        * lto-streamer.h (struct lto_file_decl_data): Mark resolutions with
        GTY((skip)).

2010-07-26  Anatoly Sokolov  <aesok@post.ru>

        * target.def (output_source_filename): New hook.
        * doc/tm.texi.in (TARGET_ASM_OUTPUT_SOURCE_FILENAME): Document.
        * doc/tm.texi: Regenerate.
        * toplev.c (output_file_directive) Remove function.
        * toplev.h (output_file_directive) Remove.
        * output.h (default_asm_output_source_filename,
        output_file_directive): Declare.
        * varasm.h (default_asm_output_source_filename,
        output_file_directive): New functions.

        * config/mips/mips.h (ASM_OUTPUT_SOURCE_FILENAME): Remove macro.
        * config/mips/mips-protos.h (mips_output_filename): Remove.
        * config/mips/mips.c (mips_output_filename): Make Static.
        (TARGET_ASM_OUTPUT_SOURCE_FILENAME): Define.

2010-07-26  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43784
        * tree-nrv.c (dest_safe_for_nrv_p): It's not safe to NRV
        if the destination is used by the call.

2010-07-26  Richard Guenther  <rguenther@suse.de>

        PR middle-end/45073
        * gimple-fold.c (gimplify_and_update_call_from_tree): Conditionalize
        SSA updating on being in SSA form.

2010-07-26  Richard Guenther  <rguenther@suse.de>

        PR middle-end/45056
        * gimple-fold.c (fold_stmt_1): Also fold references in debug stmts.

2010-07-26  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/45071
        * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address): Always
        adjust op->opcode.

2010-07-26  Naveen.H.S  <naveen.S@kpitcummins.com>

        * config/v850/lib1funcs.asm (save_r2_r31, return_r2_r31,
        save_r20_r31, return_r20_r31, save_r21_r31, return_r21_r31,
        save_r22_r31, return_r22_r31, save_r23_r31, return_r23_r31,
        save_r24_r31, return_r24_r31, save_r25_r31, return_r25_r31,
        save_r26_r31, return_r26_r31, save_r27_r31, return_r27_r31,
        save_r28_r31, return_r28_r31, save_r29_r31, return_r29_r31,
        save_r31, return_r31, save_interrupt, return_interrupt,
        save_all_interrupt, return_all_interrupt, L_save_r2_r31,
        L_return_interrupt, callt_return_interrupt, L_restore_all_interrupt,
        L_save_##START##_r31c, L_callt_save_r31c): Updated as per the
        new ABI requirements.
        (save_r6_r9, L_callt_save_r6_r9): Remove.
        * config/v850/predicates.md (even_reg_operand, disp23_operand,
        const_float_1_operand const_float_0_operand): New Predicates.
        (pattern_is_ok_for_prepare, pattern_is_ok_for_prologue,
        pattern_is_ok_for_epilogue): Update as per the ABI requirements.
        * config/v850/t-v850: Update multilibs for new target variants.
        (save_varargs, callt_save_varargs, callt_save_r6_r9): Remove.
        * config/v850/t-v850e: Likewise.
        * config/v850/v850.c (v850_issue_rate): New.
        (v850_strict_argument_naming): New.
        (function_arg): Modify to generate a different ABI.
        (print_operand): Update case 'z' to support float modes.
        (output_move_single): Modify to generate appropriate and better
        assembly.
        (v850_float_z_comparison_operator, v850_select_cc_mode,
        v850_float_nz_comparison_operator,  v850_gen_float_compare,
        v850_gen_compare): New functions to support comparison of float values.
        (ep_memory_offset): Add support for V850E2 targets.
        (INTERRUPT_FIXED_NUM, INTERRUPT_ALL_SAVE_NUM): Update.
        (INTERRUPT_REGPARM_NUM): Remove.
        (compute_register_save_size): Add extra case to save/restore long call.
        (use_prolog_function): New function to support prologue.
        (expand_prologue): Add support for V850E2 targets and modified
        as per the current ABI requirements.
        (expand_epilogue): Likewise.
        (construct_restore_jr): Modify based on TARGET_LONG_CALLS.
        (construct_save_jarl): Likewise.
        (construct_dispose_instruction): Update as per the current ABI
        requirements.
        (construct_prepare_instruction): Likewise.
        * config/v850/v850.h (TARGET_CPU_DEFAULT): Add target predefines.
        (TARGET_CPU_v850e2, TARGET_CPU_v850e2v3): Define
        (CPP_SPEC): Updated to support v850e2 targets.
        (STRICT_ALIGNMENT): Modified.
        (FIRST_PSEUDO_REGISTER): Updated to add even registers.
        (FIXED_REGISTERS): Likewise.
        (CALL_USED_REGISTERS): Likewise.
        (CONDITIONAL_REGISTER_USAGE): Updated.
        (HARD_REGNO_MODE_OK): Updated.
        (reg_class): Updated to add even registers.
        (REG_CLASS_NAMES): Likewise.
        (REG_CLASS_CONTENTS): Likewise.
        (REGNO_REG_CLASS): Updated for CC registers.
        (REG_CLASS_FROM_LETTER): Added support for even registers.
        (REGNO_OK_FOR_BASE_P): Updated for CC registers.
        (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM, LINK_POINTER_REGNUM,
        ARG_POINTER_REGNUM): Updated.
        (FUNCTION_ARG_ADVANCE): Define.
        (REG_PARM_STACK_SPACE): Update as per the current ABI requirements.
        (OUTGOING_REG_PARM_STACK_SPACE): Remove.
        (EXTRA_CONSTRAINT): Add new constraint 'W' for 23-bit displacement.
        (GO_IF_LEGITIMATE_ADDRESS): Updated.
        (SELECT_CC_MODE): Define.
        (REGISTER_NAMES): Updated to add psw and fcc registers.
        (ADDITIONAL_REGISTER_NAMES): Updated.
        (ASM_OUTPUT_ADDR_DIFF_ELT): Updated to support new targets.
        (JUMP_TABLES_IN_TEXT_SECTION): Updated.
        * config/v850/v850.md (define_constants): Define new constants.
        (type): Update store,bit1,macc,div,fpu and single attributes.
        (cpu): New attribute.
        (cc): Add set_z attribute.
        (unsign23byte_load, sign23byte_load, unsign23hword_load,
        sign23hword_load, 23word_load, 23byte_store, 23hword_store,
        23word_store): New instructions for 23-bit displacement load and store.
        (movqi_internal, movhi_internal): Update the attributes.
        (movsi, movsi_internal_v850e): Updated to support v850e2 targets.
        (movsi_internal_v850e, movsi_internal, movsf_internal): Update
        the attributes.
        (v850_tst1): Modified using CC_REGNUM.
        (tstsi): Remove.
        (cmpsi): Modified as define_expand from define_insn.
        (cmpsi_insn, cmpsf, cmpdf): New instructions.
        (addsi3, subsi3, negsi2, divmodsi4, udivmodsi4, divmodhi4,
        udivmodhi4, v850_clr1_1, v850_clr1_2, v850_clr1_3, andsi3,
        v850_set1_1, v850_set1_3, iorsi3, v850_not1_1, v850_not1_3, xorsi3,
        one_cmplsi2): Clobber the CC_REGNUM register.
        (v850_clr1_1, v850_clr1_2, v850_clr1_3, andsi3, v850_set1_1,
        v850_set1_2, v850_set1_3, iorsi3, v850_not1_1, v850_not1_2,
        v850_not1_3, xorsi3, one_cmplsi2): Update the attributes accordingly.
        (setf_insn, set_z_insn, set_nz_insn): New instructions for
        v850e2v3 target.
        (movsicc_normal_cc, movsicc_reversed_cc): New instructions.
        (movsicc, movsicc_normal, movsicc_reversed): Add support for V850E2
        targets.
        (sasf_1, sasf_2): Remove.
        (sasf): New instruction.
        (rotlhi3, rotlhi3_8, rotlsi3, rotlsi3_16): Update to support V850E2
        targets. CC_REGNUM register is clobbered and attributes are
        updated.
        (branch_z_normal, branch_z_invert, branch_nz_normal,
        branch_nz_invert): New branch related instructions.
        (jump): Updated the attributes.
        (switch): Update to support new targets. CC_REGNUM register is
        clobbered and attributes are updated.
        (call_internal_short, call_internal_long, call_value_internal_short,
        call_value_internal_long): Updated the attributes.
        (zero_extendhisi2, zero_extendqisi2): CC_REGNUM register is
        clobbered and attributes are updated.
        (extendhisi_insn, extendhisi2, extendqisi_insn, extendqisi2):
        Update to support new targets. CC_REGNUM register is clobbered.
        (ashlsi3_v850e2, lshrsi3_v850e2, ashrsi3_v850e2): New shift
        instructions.
        (lshrsi3, ashrsi3): CC_REGNUM register is clobbered and attributes
        are updated.
        (ffssi2, addsf3, adddf3, subsf3, subdf3, mulsf3, muldf3, divsf3,
        divdf3, minsf3, mindf3, maxsf3, maxdf3, abssf2, absdf2, negsf2,
        negdf2, sqrtsf2, sqrtdf2, truncsfsi2, truncdfsi2, floatsisf2,
        floatsidf2, extendsfdf2, extenddfsf2, recipsf2, recipdf2,
        rsqrtsf2, rsqrtdf2, maddsf4, msubsf4, nmaddsf4, nmsubsf4,
        cmpsf_le_insn, cmpsf_lt_insn, cmpsf_ge_insn, cmpsf_gt_insn,
        cmpsf_eq_insn, cmpsf_ne_insn, cmpdf_le_insn, cmpdf_lt_insn,
        cmpdf_ge_insn, cmpdf_gt_insn, cmpdf_eq_insn, cmpdf_ne_insn, trfsr,
        movsfcc, movdfcc, movsfcc_z_insn, movsfcc_nz_insn, movdfcc_z_insn,
        movdfcc_nz_insn, movedfcc_z_zero, movedfcc_nz_zero): New floating
        point instructions defined for V850e2v3 target.
        (callt_save_interrupt, callt_return_interrupt, return_interrupt):
        Add support for V850E2 targets and CC_REGNUM register is clobbered.
        (callt_save_all_interrupt, callt_restore_all_interrupt): Add
        support for new targets.
        * config/v850/v850-modes.def: New file.
        * config/v850/v850.opt(mstrict-align): Remove.
        (mno-strict-align, mjump-tables-in-data-section, mv850e2,
        mv850e2v3): New command line options for V850.
        * config.gcc: Update the newly added files.
        * doc/invoke.texi: Update the newly added command line options for
        V850 target.

2010-07-26  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/45052
        * ipa-pure-const.c (check_stmt): Check volatileness.

2010-07-25  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/44707
        * config/sparc/sparc-protos.h (sparc_legitimize_reload_address): New.
        * config/sparc/sparc.c: Include reload.h.
        (legitimize_tls_address): Rename into...
        (sparc_legitimize_tls_address): ...this.
        (legitimize_pic_address): Rename into...
        (sparc_legitimize_pic_address): ...this.
        (sparc_expand_move): Adjust to above renaming.
        (sparc_tls_referenced_p): Likewise.
        (sparc_legitimize_tls_address): Likewise.
        (sparc_legitimize_pic_address): Likewise.
        (sparc_legitimize_address): Likewise.
        (sparc_output_mi_thunk): Likewise.
        (sparc_legitimize_reload_address): New global function.  Recognize
        (lo_sum (high ...) ...) patterns generated by earlier passes.
        * config/sparc/sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Use above function.

2010-07-25  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/44484
        * config/sparc/predicates.md (memory_reg_operand): Delete.
        * config/sparc/sync.md (sync_compare_and_swap): Minor tweaks.
        (*sync_compare_and_swap): Encode the address form in the pattern.
        (*sync_compare_and_swapdi_v8plus): Likewise.

2010-07-24  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Specific, *-*-freebsd*): Adjust to recent changes.
        Streamline paragraph on compatibility with the system compiler.

2010-07-24  Steven Bosscher  <steven@gcc.gnu.org>

        PR middle-end/45035
        * alias.c (true_dependence_1): Fix thinko in merge of old
        true_dependence and canon_true_dependence.

2010-07-23  Jan Hubicka  <jh@suse.cz>

        * lto-streamer-out.c (write_symbol): Fix visibilities of external
        references.

2010-07-23  Le-Chun Wu  <lcwu@google.com>

        * omega.c (omega_eliminate_redundant): Remove a self-assign statement.
        * tree-ssa-ccp.c (ccp_lattice_meet): Remove a self-assign statement
        and an unnecessary assignment.
        * dbxout.c (DEBUGGER_ARG_OFFSET): Change OFFSET to OFFSET+0 to avoid
        self-assign warning.
        * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Remove
        unnecessary self-init.

2010-07-23  Richard Guenther  <rguenther@suse.de>

        PR lto/43071
        * gcc.c (LINK_COMMAND_SPEC): Filter out -fcompare-debug
        for -flto and -fwhopr.

2010-07-23  Kai Tietz  <kai.tietz@onevision.com>

        PR target/41943
        * Makefile.in (USER_H_INC_NEXT_PRE, USER_H_INC_NEXT_POST): New.
        (stmp-int-hdrs): Prefix/postfix headers by include_next.
        * config.gcc (user_headers_inc_next_pre): New.
        (user_headers_inc_next_post): Likewise.
        (*-w64-mingw*): Use for float.h post-fixing, and for
        stddef.h/stdarg.h pre-fixing by include_next.
        * configure.ac (user_headers_inc_next_post): New.
        (user_headers_inc_next_pre): New.
        * configure: Regenerated.

2010-07-23  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac: Don't disable TLS on Solaris 8/9 by default
        Set tga_func for Solaris 2/x86 resp. SPARC.
        Remove duplicate parts of sparc*-sun-solaris2.* TLS check.
        (LIB_THREAD_LDFLAGS_SPEC): Define.
        (LIB_TLS_SPEC): Define.  Check for required Sun ld version.
        * configure: Regenerate.
        * config.in: Regenerate.
        * config/sol2.h (LIB_SPEC): Use LIB_THREAD_LDFLAGS_SPEC with
        -pthread, -threads, LIB_TLS_SPEC with -pthread.
        * doc/install.texi (Specific, *-*-solaris2*): Document use of
        alternate thread libraries on Solaris 8.
        Document TLS patch requirements.
        * doc/sourcebuild.texi (Add Options): Sort alphabetically.
        Document tls.

        PR target/18788
        * config/sol2.h (LIB_SPEC): Link with thread libraries even with
        -shared.

2010-07-23  Jakub Jelinek  <jakub@redhat.com>

        * tree.h (struct tree_base): Add nameless_flag bitfield.
        (TYPE_NAMELESS, DECL_NAMELESS): Define.
        * omp-low.c (create_omp_child_function, scan_omp_parallel,
        scan_omp_task, lower_omp_taskreg): Set DECL_NAMELESS and/or
        DECL_ARTIFICIAL where needed.
        * dwarf2out.c (dwarf2_name): Return NULL if DECL_NAMELESS.
        (type_tag): Return NULL if TYPE_NAMELESS or if TYPE_DECL
        has DECL_NAMELESS set.

2010-07-23  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/44915
        * ipa-cp.c (cgraph_gate_cp): Also check that optimize is true.
        * ipa-inline.c (cgraph_mark_inline_edge): Likewise.
        (analyze_function): Likewise.

2010-07-23  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/44914
        * tree-sra.c (sra_modify_function_body): Return true if CFG was
        changed, add purging dead eh edges.
        (ipa_sra_modify_function_body): Return true if CFG was changed,
        simplify purging dead eh edges.
        (modify_function): Return true if CFG was changed.
        (perform_intra_sra): Add TODO_cleanup_cfg to the return value if CFG
        was changed.
        (ipa_early_sra): Likewise.

2010-07-23  Jie Zhang  <jie@codesourcery.com>

        PR target/44290
        * attribs.c (decl_attributes): Insert "noinline" and "noclone"
        if "naked".
        * tree-sra.c (ipa_sra_preliminary_function_checks): Return
        false if ! tree_versionable_function_p.

2010-07-23  Nathan Froyd  <froydnj@codesourcery.com>

        * builtins.def (BUILT_IN_ARGS_INFO): Remove.
        * ipa-pure-const.c (special_builtlin_state): Remove
        BUILT_IN_ARGS_INFO case.
        * tree-stdarg.c (execute_optimize_stdarg): Likewise.
        * builtins.c (expand_builtin): Likewise.
        (expand_builtin_args_info): Remove.
        * doc/tm.texi (__builtin_args_info): Remove.
        (__builtin_next_arg): Adjust to not refer to __builtin_args_info.
        * doc/tm.text.in: Likewise.

2010-07-23  Richard Guenther  <rguenther@suse.de>

        * lto-symtab.c (lto_symtab_merge): Use gtc_mode enum values.
        (lto_symtab_merge_decls_2): Likewise.
        * tree-ssa.c (useless_type_conversion_p): Likewise.
        * lto-streamer-in.c (input_gimple_stmt): Likewise.
        * gimple.c (gtc_visited2, gtc_ob2): Remove.
        (struct type_pair_d): Make same_p an array indexed by mode.
        Update comment.
        (lookup_type_pair): Update initialization.
        (struct sccs): Adjust same_p type.
        (gimple_types_compatible_p_1, gtc_visit, gimple_types_compatible_p):
        Adjust.
        (print_gimple_types_stats): Likewise.
        * gimple.h (enum gtc_mode): New.
        (gimple_types_compatible_p): Adjust prototype.

2010-07-23  Daniel Jacobowitz  <dan@codesourcery.com>

        * dwarf2out.c (dwarf2out_frame_debug): Check for queued saves
        again after processing insn.

2010-07-23  Jie Zhang  <jie@codesourcery.com>

        * tree-sra.c (ipa_sra_preliminary_function_checks): Dump
        proper words when !tree_versionable_function_p.

2010-07-23  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/45037
        * tree-ssa-loop-ivopts.c (copy_ref_info): Handle NULL base.

2010-07-23  Jie Zhang  <jie@codesourcery.com>

        * doc/extend.texi: Remove IP2K from the description of naked attribute.
        Add MCORE instead.

2010-07-10  Andi Kleen  <ak@linux.intel.com>

        PR lto/44992
        * lto-opts.c (lto_write_options): Add NULL file_data argument to
        lto_get_section_name.
        * lto-section-out.c (lto_destroy_simple_output_block): Likewise.
        * lto-streamer-out.c (produce_asm): Likewise.
        (copy_function): Likewise.
        (produce_symtab): Likewise.
        (produce_asm_for_decls): Likewise.
        * lto-streamer.c (lto_get_section_name): Add file_data argument.
        Rewrite to add random postfix to LTO sections.
        * lto-streamer.h (lto_file_decl_data): Add next, id, resolutions.
        (lto_get_section_name): Add file_data argument to prototype.

2010-07-10  Andi Kleen  <ak@linux.intel.com>

        * lto-section-in.c (lto_section_name): Synchronize names
        with lto_get_section_name.

2010-07-10  Andi Kleen  <ak@linux.intel.com>

        * lto-opts.c (lto_read_file_options): Check for missing section.

2010-07-22  Bernd Schmidt  <bernds@codesourcery.com>

        * ira.c (check_allocation): Correctly handle the case where an allocno
        with two objects was allocated to a single reg.

2010-07-22  Richard Sandiford  <rdsandiford@googlemail.com>

        * tree-ssa-math-opts.c (is_widening_mult_rhs_p): New function.
        (is_widening_mult_p): Likewise.
        (convert_to_widen): Use them.
        (convert_plusminus_to_widen): Likewise.  Handle fixed-point types as
        well as integer ones.

2010-07-22  Steven Bosscher  <steven@gcc.gnu.org>

        * alias.c (true_dependence_1): New function, merged version of
        true_dependence and canon_true_dependence.
        (true_dependence): Simplify.
        (canon_true_dependence): Simplify.

2010-07-22  Richard Henderson  <rth@redhat.com>

        PR target/45027
        * config/i386/i386.c (setup_incoming_varargs_64): Force the use
        of V4SFmode for the SSE saves; increase stack alignment if needed.
        (ix86_gimplify_va_arg): Don't increase stack alignment here.

2010-07-22  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/45028
        * recgprop.c (copyprop_hardreg_forward_1): If changed is true,
        call cprop_find_used_regs again via note_uses.

2010-07-22  Eric Botcazou  <ebotcazou@adacore.com>

        * alias.c (get_alias_set): Fix formatting issues.

2010-07-22  Steve Ellcey  <sje@cup.hp.com>

        PR middle-end/44878
        * stmt.c (expand_value_return):  Call promote_function_mode with
        a for_return argument of 2 when returning by reference.

2010-07-22  Dodji Seketeli  <dodji@redhat.com>

        PR debug/45024
        * dwarf2out.c (scope_die_for): Don't fall back to the compilation
        unit DIE if we can find the scope DIE.

2010-07-22  Bernd Schmidt  <bernds@codesourcery.com>

        * ira-build.c (ira_create_object): New arg SUBWORD; all callers
        changed.  Initialize OBJECT_SUBWORD.
        (ira_create_allocno): Clear ALLOCNO_NUM_OBJECTS.
        (ira_create_allocno_objects): Renamed from ira_create_allocno_object;
        all callers changed.
        (merge_hard_reg_conflicts): Iterate over allocno subobjects.
        (finish_allocno): Likewise.
        (move_allocno_live_ranges, copy_allocno_live_ranges): Likewise.
        (remove_low_level_allocnos): Likewise.
        (update_bad_spill_attribute): Likewise.
        (setup_min_max_allocno_live_range_point): Likewise.
        (sort_conflict_id_map): Likewise.
        (ira_flattening): Likewise.  Use ior_hard_reg_conflicts.
        (ior_hard_reg_conflicts): New function.
        (ior_allocate_object_conflicts): Renamed first argument to OBJ.
        (compress_conflict_vecs): Iterate over objects, not allocnos.
        (ira_add_live_range_to_object): New function.
        (object_range_compare_func): Renamed from allocno_range_compare_func.
        All callers changed.
        (setup_min_max_conflict_allocno_ids): For allocnos with multiple
        subobjects, widen the min/max range of the lowest-order object to
        potentially include all other such low-order objects.
        * ira.c (ira_bad_reload_regno_1): Iterate over allocno subobjects.
        (check_allocation): Likewise.  Use more fine-grained tests for register
        conflicts.
        * ira-color.c (allocnos_have_intersected_live_ranges_p): Iterate over
        allocno subobjects.
        (assign_hard_reg): Keep multiple sets of conflicts.  Make finer-grained
        choices about which bits to set in each set.  Don't use
        ira_hard_reg_not_in_set_p, perform a more elaborate test for conflicts
        using the multiple sets we computed.
        (push_allocno_to_stack): Iterate over allocno subobjects.
        (all_conflicting_hard_regs_coalesced): New static function.
        (setup_allocno_available_regs_num): Use it.
        (setup_allocno_left_conflicts_size): Likewise.  Iterate over allocno
        subobjects.
        (coalesced_allocno_conflict): Test subobject 0 in each allocno.
        (setup_allocno_priorities): Divide ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
        by ALLOCNO_NUM_OBJECTS.
        (calculate_spill_cost): Likewise.
        (color_pass): Express if statement in a more normal way.
        (ira_reassign_conflict_allocnos): Iterate over allocno subobjects.
        (slot_coalesced_allocno_live_ranges_intersect_p): Likewise.
        (setup_slot_coalesced_allocno_live_ranges): Likewise.
        (allocno_reload_assign): Likewise.
        (ira_reassign_pseudos): Likewise.
        (fast_allocation): Likewise.
        * ira-conflicts.c (build_conflict_bit_table): Likewise.
        (print_allocno_conflicts): Likewise.
        (ira_build_conflicts): Likewise.
        (allocnos_conflict_for_copy_p): Renamed from allocnos_conflict_p.  All
        callers changed.  Test subword 0 of each allocno for conflicts.
        (build_object_conflicts): Renamed from build_allocno_conflicts.  All
        callers changed.  Iterate over allocno subobjects.
        * ira-emit.c (modify_move_list): Iterate over allocno subobjects.
        * ira-int.h (struct ira_allocno): New member: num_objects.
        Rename object to objects and change it into an array.
        (ALLOCNO_OBJECT): Add new argument N.
        (ALLOCNO_NUM_OBJECTS, OBJECT_SUBWORD): New macros.
        (ira_create_allocno_objects): Renamed from ira_create_allocno_object.
        (ior_hard_reg_conflicts): Declare.
        (ira_add_live_range_to_object): Declare.
        (ira_allocno_object_iterator): New.
        (ira_allocno_object_iter_init, ira_allocno_object_iter_cond): New.
        (FOR_EACH_ALLOCNO_OBJECT): New macro.
        * ira-lives.c (objects_live): Renamed from allocnos_live; all
        uses changed.
        (allocnos_processed): New sparseset.
        (make_object_born): Renamed from make_allocno_born; take an
        ira_object_t argument.  All callers changed.
        (make_object_dead): Renamed from make_allocno_dead; take an
        ira_object_t argument.  All callers changed.
        (update_allocno_pressure_excess_length): Take an ira_obejct_t argument.
        All callers changed.
        (mark_pseudo_regno_live): Iterate over allocno subobjects.
        (mark_pseudo_regno_dead): Likewise.
        (mark_pseudo_regno_subword_live, mark_pseudo_regno_subword_dead): New
        functions.
        (mark_ref_live): Detect subword accesses and call
        mark_pseudo_regno_subword_live as appropriate.
        (mark_ref_dead): Likewise for mark_pseudo_regno_subword_dead.
        (process_bb_nodes_live): Deal with object-related updates first; set
        and test bits in allocnos_processed to avoid computing allocno
        statistics more than once.
        (create_start_finish_chains): Iterate over objects, not allocnos.
        (print_object_live_ranges): New function.
        (print_allocno_live_ranges): Use it.
        (ira_create_allocno_live_ranges): Allocate and free allocnos_processed
        and objects_live.

2010-07-22  Richard Guenther  <rguenther@suse.de>

        PR lto/42451
        * gimple.c (gtc_next_dfs_num): New global.
        (struct sccs): Make value a union, add integer same_p member.
        (gtc_visit): New function.
        (gimple_types_compatible_p_1): New function, split out from ...
        (gimple_types_compatible_p): ... here.  Start a DFS walk here.
        (iterative_hash_gimple_type): Adjust for sccs change.

2010-07-22  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/44891
        * tree-sra.c: Include gimple-pretty-print.h.
        (replace_uses_with_default_def_ssa_name): Renamed to
        get_repl_default_def_ssa_name, return the new SSA name instead of
        replacing the old one.
        (sra_modify_assign): Dump a message when removing a load, if the LHS
        is an SSA_NAME, do not do any propagation, just set the RHS to a
        default definition SSA NAME, type convert if necessary.
        * Makefile.in (tree-sra.o): Add gimple-pretty-print.h to dependencies.

2010-07-22  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/45017
        * tree-ssa-sccvn.c (vn_reference_eq): Make sure we honor
        TYPE_PRECISION of integral types in addition to size.

2010-07-22  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * config/rs6000/sysv4.h (CHOOSE_DYNAMIC_LINKER): Default to GLIBC
        when no C library is specified.

2010-07-22  Martin Jambor  <mjambor@suse.cz>

        * ipa-prop.h (struct ipa_node_params): Updated comment.
        (struct ipa_edge_args): Likewise.
        * Makefile.in (ipa-prop.o): Remove bogus $(GIMPLE_FOLD_H) dependency.

2010-07-22  Martin Jambor  <mjambor@suse.cz>

        * cgraphunit.c (verify_edge_count_and_frequency): New function.
        (verify_cgraph_node): Verify frequencies of indirect edges.
        * tree-inline.c (tree_function_versioning): Update frequencies of
        indirect edges.

2010-07-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        PR target/43698
        * config/arm/arm.md: Split arm_rev into *arm_rev and *thumb1_rev.
        Set *arm_rev to be predicable.

2010-07-22  Iain Sandoe  <iains@gcc.gnu.org>

        * config/darwin.h (LINK_COMMAND_SPEC): Split into...
        (LINK_COMMAND_SPEC_A): New.
        (DSYMUTIL): New.
        (DSYMUTIL_SPEC): New.
        * config/darwin9.h (LINK_COMMAND_SPEC): Remove.
        (DSYMUTIL_SPEC): Update for darwin >= 9 requirements.

2010-07-22  Iain Sandoe  <iains@gcc.gnu.org>

        * calls.c (load_register_parameters): Move check for zero
        sized items so that only the call to
        mem_overlaps_already_clobbered_arg_p () is protected.

2010-07-22  Jan Hubicka  <jh@suse.cz>

        * ipa-pure-const.c (varying_state): Break out from ...
        (get_function_state): ... here; always return varying_state
        when state would be NULL otherwise.
        (remove_node_data): Do not free varying state.

2010-07-22  Bernd Schmidt  <bernds@codesourcery.com>

        PR bootstrap/44970
        PR middle-end/45009
        * postreload.c: Include "target.h".
        (reload_combine_closest_single_use): Don't take DEBUG_INSNs
        into account.
        (fixup_debug_insns): Don't copy the rtx.
        (reload_combine_recognize_const_pattern): DEBUG_INSNs can't have uses.
        Don't copy when replacing.  Call fixup_debug_insns in the case where
        we merged one add with another.
        (reload_combine_recognize_pattern): Fail if there aren't any uses.
        Try harder to determine whether we're picking a valid index register.
        Don't set store_ruid for an insn we're going to scan in the
        next iteration.
        (reload_combine): Remove unused code.
        (reload_combine_note_use): When updating use information for
        an old insn, ignore a use that occurs after store_ruid.
        * Makefile.in (postreload.o): Update dependencies.

        * function.c (record_hard_reg_sets): Restrict the previous change
        to cases where the incoming nominal mode is the same as the
        incoming promoted mode and everything happens in MODE_INT.

2010-07-21  Jakub Jelinek  <jakub@redhat.com>

        PR debug/45015
        * var-tracking.c (adjust_mems): Ignore ASM_OPERANDS with non-zero
        ASM_OPERANDS_OUTPUT_IDX.
        (adjust_insn): For inline asm with multiple sets ensure first
        ASM_OPERANDS vectors are used by all following ASM_OPERANDS in
        the insn.

2010-07-21  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (setup_incoming_varargs_64): Emit a simple
        comparison for avoiding xmm register saves.  Emit the xmm register
        saves explicitly.
        * config/i386/i386.md (UNSPEC_SSE_PROLOGUE_SAVE): Remove.
        (UNSPEC_SSE_PROLOGUE_SAVE_LOW): Remove.
        (sse_prologue_save, sse_prologue_save_insn1, sse_prologue_save_insn):
        Remove patterns and the associated splitters.

2010-07-21  Changpeng Fang  <changpeng.fang@amd.com>

        * tree-ssa-loop-prefetch.c (analyze_ref): Strip off the real
        and imagine parts of a complex, so that they can have the same
        base and fall into the same group.

2010-07-21  Richard Guenther  <rguenther@suse.de>

        PR lto/45018
        * tree.c (find_decls_types_r): Do not follow TREE_CHAIN
        of TYPE_DECLs.  Do not follow TYPE_NEXT_VARIANT,
        TYPE_NEXT_PTR_TO, nor TYPE_NEXT_REF_TO or TYPE_CANONICAL.

2010-07-21  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/44900
        * tree-sra.c (load_assign_lhs_subreplacements): Updated comments.
        (sra_modify_assign): Move gsi to the next statmenent unconditionally.

2010-07-21  Bernd Schmidt  <bernds@codesourcery.com>

        PR middle-end/44738
        * tree-ssa.c (warn_uninit): Avoid emitting an unnecessary message.

2010-07-21  Richard Guenther  <rguenther@suse.de>

        PR middle-end/45013
        * tree-ssa.c (useless_type_conversion_p): Dispatch to
        gimple_types_compatible_p only when in lto.
        * gimple.c (gimple_types_compatible_p): Use canonical types
        to speed up comparison.

2010-07-21  Richard Guenther  <rguenther@suse.de>

        * tree-flow.h (referenced_var): Move define ...
        * tree-flow-inline.h (referenced_var): ... here as an inline
        function.  Assert here ...
        * tree-dfa.c (referenced_var_lookup): ... instead of here.
        * tree-ssa.c (maybe_optimize_var): Check if the variable
        is in referenced vars.
        (execute_update_addresses_taken): Remove old broken check.
        * gimple-pretty-print.c (pp_points_to_solution): Use
        referenced_var_lookup.
        * tree-into-ssa.c (dump_decl_set): Likewise.

2010-07-21  Jakub Jelinek  <jakub@redhat.com>

        PR debug/45003
        * var-tracking.c (reverse_op): Also handle {SIGN,ZERO}_EXTEND of a MEM.
        * dwarf2out.c (loc_descriptor): Don't handle SIGN_EXTEND nor
        ZERO_EXTEND here.

2010-07-20  Richard Henderson  <rth@redhat.com>

        * vxworks.c (vxworks_emutls_var_fields): Pass locus to build_decls.

2010-07-20  Bernd Schmidt  <bernds@codesourcery.com>

        * config/arm/arm.md (thumb1_addsi3): Add alternative and split for
        computing the sum of the stack pointer and a large constant.
        * config/arm/constraints.md (M): Remove superfluous parentheses.
        (Pc): New constraint.

2010-07-20  Jakub Jelinek  <jakub@redhat.com>

        PR debug/45006
        * cfgexpand.c (expand_debug_expr): Only look at TYPE_UNSIGNED of
        operand's type if exp is tcc_unary class tree.

2010-07-20  Nathan Froyd  <froydnj@codesourcery.com>

        * config/rs6000/rs6000.md (abs<mode>2_isel, nabs<mode>2_isel):
        Reverse sense of if_then_else condition.

2010-07-20  Nathan Froyd  <froydnj@codesourcery.com>

        * config/rs6000/rs6000.opt (mblock-move-inline-limit): New option.
        * config/rs6000/rs6000.c (rs6000_override_options): Set
        rs6000_block_move_inline_limit appropriately.
        (expand_block_move): Use rs6000_block_move_inline_limit.
        * doc/invoke.texi (mblock-move-inline-limit): Document.

2010-07-20  Bernd Schmidt  <bernds@codesourcery.com>

        * postreload.c (fixup_debug_insns): Remove arg REGNO.  New args
        FROM and TO.  All callers changed.  Don't look for tracked uses,
        just scan the RTL for DEBUG_INSNs and substitute.
        (reload_combine_recognize_pattern): Call fixup_debug_insns.
        (reload_combine): Ignore DEBUG_INSNs.

2010-07-20  Jakub Jelinek  <jakub@redhat.com>

        * var-tracking.c (vt_expand_loc, vt_expand_loc_dummy): Bump maximum
        depth to 8 from 5.

        PR debug/45003
        * cfgexpand.c (expand_debug_expr) <case NOP_EXPR>: Use ZERO_EXTEND
        or SIGN_EXTEND depending on TYPE_UNSIGNED of the operand's type
        instead of the result's type.

2010-07-20  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44977
        * tree-ssa-dom.c (propagate_rhs_into_lhs): Do not create invalid
        SSA form.

2010-07-20  Richard Guenther  <rguenther@suse.de>

        * lto-symtab.c (lto_symtab_merge): Use gimple_types_compatible_p.
        (lto_symtab_merge_decls_2): Likewise.
        * gimple.h (gimple_types_compatible_p): Declare.
        * gimple.c (gimple_queue_type_fixup): Remove.
        (gimple_fixup_complete_and_incomplete_subtype_p): Likewise.
        (gimple_compatible_complete_and_incomplete_type_p): New function.
        (gimple_types_compatible_p): Adjust.
        (gimple_register_type): Remove type fixup code.
        (print_gimple_types_stats): Adjust.
        (free_gimple_type_tables): Likewise.
        * lto-streamer-in.c (input_gimple_stmt): Use gimple_types_compatible_p.
        * tree-ssa.c (useless_type_conversion_p): Likewise.

2010-07-20  Richard Guenther  <rguenther@suse.de>

        PR middle-end/44971
        PR middle-end/44988
        * tree-ssa.c (maybe_optimize_var): New function split out from ...
        (execute_update_addresses_taken): ... here.
        (non_rewritable_mem_ref_base): Likewise.
        (execute_update_addresses_taken): Do not iterate over all referenced
        vars but just all local decls and parms.
        Properly check call and asm arguments and rewrite call arguments.

2010-07-20  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * config.gcc (LIBC_GLIBC, LIBC_UCLIBC, LIBC_BIONIC): Move constants
        to top level.
        * config/linux.h (LINUX_TARGET_OS_CPP_BUILTINS): Move Android-specific
        definitions ...
        * config/linux-android.h (ANDROID_TARGET_OS_CPP_BUILTINS): ... here.
        New macro.
        * config/arm/linux-eabi.h (TARGET_OS_CPP_BUILTINS): Use it.

2010-07-19  Richard Sandiford  <rdsandiford@googlemail.com>

        * gengtype.c (start_root_entry): New function, split out from
        write_root.  Check whether V is null and raise an error if so.
        (write_field_root): Check for V being null.  Don't raise an error here;
        set V to null instead.
        (write_root): Update comment above function.  Use start_root_entry.

2010-07-19  Xinliang David Li  <davidxl@google.com>

        PR testsuite/44932
        * tree-ssa-uninit.c (collect_phi_def_edges): Fix bug collecting
        def edges.
        (find_uninit_use): Add dump.
        (is_use_properly_guarded): Ditto.
        (warn_uninitialized_phi): Ditto.
        (execute_late_warn_uninitialized): Ditto.

2010-07-19  Richard Guenther  <rguenther@suse.de>

        PR middle-end/44941
        * expr.c (emit_block_move_hints): Move zero size check first.
        Move asserts to more useful places.
        * calls.c (load_register_parameters): Check for zero size.

2010-07-19  Richard Henderson  <rth@redhat.com>

        * tree-optimize.c (execute_all_early_local_passes): New.  Change
        cgraph_state here ...
        (execute_early_local_optimizations): ... not here.  Remove.
        (pass_early_local_passes, pass_all_early_optimizations): Update.

2010-07-19  Bernd Schmidt  <bernds@codesourcery.com>

        * postreload.c (reload_combine_closest_single_use): Ignore the
        number of uses for DEBUG_INSNs.
        (fixup_debug_insns): New static function.
        (reload_combine_recognize_const_pattern): Use it.  Don't let the
        main loop be affected by DEBUG_INSNs.
        Really disallow moving adds past a jump insn.
        (reload_combine_recognize_pattern): Don't update use_ruid here.
        (reload_combine_note_use): Do it here.
        (reload_combine): Use control_flow_insn_p rather than JUMP_P.

2010-07-19  Bingfeng Mei  <bmei@broadcom.com>

        * ddg.c (create_ddg): Exclude nodes of debug_insn in counting nodes
        of a loop.
        * loop-doloop.c (doloop_condition_get): Skip possible debug_insn.

2010-07-19  Iain Sandoe  <iains@gcc.gnu.org>

        * config/i386/darwin.h: Define darwin_emit_branch_islands.
        (TARGET_MACHO_BRANCH_ISLANDS): New.
        (FUNCTION_PROFILER): Use TARGET_MACHO_BRANCH_ISLANDS.
        * config/i386/i386.h (TARGET_MACHO_BRANCH_ISLANDS): Define a
        default value.
        * config/i386/i386.c (output_pic_addr_const): Do not emit
        branch islands unless TARGET_MACHO_BRANCH_ISLANDS is set.
        (x86_output_mi_thunk): Adjust symbol creation.
        * config/rs6000/darwin.h: Define darwin_emit_branch_islands.
        Remove out of date comment.
        * config/rs6000/rs6000.c (print_operand): Adjust symbol.
        (DARWIN_LINKER_GENERATES_ISLANDS): Remove.
        (DARWIN_GENERATE_ISLANDS): Ditto.
        (output_call):  Do not emit branch islands unless
        darwin_emit_branch_islands is set.
        * config/darwin.c: Declare darwin_emit_branch_islands.
        (machopic_indirect_data_reference): Do not emit unless
        darwin_emit_branch_islands is set.
        (darwin_override_options): Set darwin_emit_branch_islands
        where it is needed.
        * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Remove.

2010-07-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/sourcebuild.texi (Effective-Target Keywords): Document
        sse_runtime, sse2_runtime.

2010-07-18  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (mips16_build_call_stub): Zero-extend the
        low half of a single-register SCmode return value before ORing
        it with the high half.
        * config/mips/mips16.S (MERGE_GPRf): Likewise.

2010-07-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/44805
        * config/pa/pa.h (CONSTANT_ALIGNMENT): Align strings to BITS_PER_WORD
        on all targets.

2010-07-17  Bernd Schmidt  <bernds@codesourcery.com>

        PR target/42235
        * postreload.c (reload_cse_move2add): Return bool, true if anything.
        changed.  All callers changed.
        (move2add_use_add2_insn): Likewise.
        (move2add_use_add3_insn): Likewise.
        (reload_cse_regs): If reload_cse_move2add changed anything, rerun
        reload_combine.
        (RELOAD_COMBINE_MAX_USES): Bump to 16.
        (last_jump_ruid): New static variable.
        (struct reg_use): New members CONTAINING_MEM and RUID.
        (reg_state): New members ALL_OFFSETS_MATCH and REAL_STORE_RUID.
        (reload_combine_split_one_ruid, reload_combine_split_ruids,
        reload_combine_purge_insn_uses, reload_combine_closest_single_use
        reload_combine_purge_reg_uses_after_ruid,
        reload_combine_recognize_const_pattern): New static functions.
        (reload_combine_recognize_pattern): Verify that ALL_OFFSETS_MATCH
        is true for our reg and that we have available index regs.
        (reload_combine_note_use): New args RUID and CONTAINING_MEM.  All
        callers changed.  Use them to initialize fields in struct reg_use.
        (reload_combine): Initialize last_jump_ruid.  Be careful when to
        take PREV_INSN of the scanned insn.  Update REAL_STORE_RUID fields.
        Call reload_combine_recognize_const_pattern.
        (reload_combine_note_store): Update REAL_STORE_RUID field.

2010-07-16  Jason Merrill  <jason@redhat.com>

        * Makefile.in (opts-common.o): Depend on options.h.

2010-07-16  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.c (build_common_builtin_nodes): Use build_function_type_list
        instead of build_function_type.
        * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
        * cgraphunit.c (cgraph_build_static_cdtor): Likewise.

2010-07-16  Nathan Froyd  <froydnj@codesourcery.com>

        * config/rs6000/rs6000.c (rs6000_emit_sISEL): Let rs6000_emit_int_cmove
        do all the work.
        (rs6000_emit_int_cmove): Use function pointers for insn generation.
        Don't force values into registers unnecessarily.
        (output_isel): Assert that we're not given conditions we can't handle.
        Delete corresponding code.
        * config/rs6000/rs6000.md (isel_signed_<mode>): Use
        scc_comparison_operator constraint.  Permit 0 for the consequent
        operand.  Permit any GPR for the alternative operand.
        (isel_unsigned_<mode>): Likewise.

2010-07-16  Jakub Jelinek  <jakub@redhat.com>

        PR target/44942
        * config/i386/i386-protos.h (ix86_function_arg_boundary): Change second
        argument to const_tree.
        * config/i386/i386.c (function_arg_advance): If padding needs to be
        inserted before argument, increment cum->words by number of padding
        words as well.
        (contains_aligned_value_p): Change argument to const_tree.
        (ix86_function_arg_boundary): Change second argument to const_tree.

2010-07-16  Bernd Schmidt  <bernds@codesourcery.com>

        PR target/42235
        * function.c (record_hard_reg_sets): New static function.
        (assign_parm_setup_reg): If an optab for extending exists and the
        generated code clobbbers no hard regs, emit the insn directly and
        create a REG_EQUIV note.

2010-07-15  Nathan Froyd  <froydnj@codesourcery.com>

        * c-decl.c (detect_field_duplicates): Use DECL_CHAIN insted of
        TREE_CHAIN.
        * c-typeck.c (push_init_level): Likewise.
        (process_init_element): Likewise.

2010-07-15  Anatoly Sokolov  <aesok@post.ru>

        * tree.h (enum tree_index): Add TI_INTEGER_THREE.
        (integer_three_node): Add.
        * tree.c (build_common_tree_nodes_2): Use integer_type_node insead of
        NULL_TREE in build_int_cst calls. Initialize the integer_three_node.
        * builtins.c (expand_builtin_prefetch): Use common tree nodes instead
        of call build_int_cst.
        * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ditto.
        * tree-ssa-loop-ivopts.c (idx_find_step): Ditto.
        (find_interesting_uses_address): Ditto.
        * tree-ssa-alias.c (ao_ref_init_from_ptr_and_size): Ditto.
        * tree-eh.c (lower_eh_constructs_2): Ditto.
        * tree-vect-loop.c (get_initial_def_for_induction): Ditto.
        * c-typeck.c (really_start_incremental_init, push_init_level): Ditto.
        * expmed.c (expand_divmod): Ditto.
        * tree-mudflap.c (mx_register_decls): Ditto.
        * varasm.c (array_size_for_constructor): Ditto.
        * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Ditto.
        * c-parser.c (c_parser_postfix_expression): Ditto.

2010-07-15  Bernd Schmidt  <bernds@codesourcery.com>

        * postreload.c (last_label_ruid, first_index_reg, last_index_reg):
        New static variables.
        (reload_combine_recognize_pattern): New static function, broken out
        of reload_combine.
        (reload_combine): Use it.  Only initialize first_index_reg and
        last_index_reg once.

2010-07-15  Richard Henderson  <rth@redhat.com>

        * cgraphunit.c (cgraph_build_static_cdtor): Clear current_function_decl
        when done.

2010-07-15  Jan Hubicka  <jh@suse.cz>

        * lto-symtab.c (lto_symtab_resolve_symbols): Remove hack handling
        comdats for broken gold.
        (lto_sy mtab_merge_decls_1): Set used_from_object_file correctly.

2010-07-15  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.h (TREE_RTL_OPERAND_CHECK): Delete.

2010-07-15  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.h (DECL_CHAIN): Define.
        * alias.c: Carefully replace TREE_CHAIN with DECL_CHAIN.
        * c-decl.c: Likewise.
        * c-parser.c: Likewise.
        * c-typeck.c: Likewise.
        * cfgexpand.c: Likewise.
        * cgraph.c: Likewise.
        * cgraphunit.c: Likewise.
        * combine.c: Likewise.
        * config/alpha/alpha.c: Likewise.
        * config/arm/arm.c: Likewise.
        * config/frv/frv.c: Likewise.
        * config/i386/i386.c: Likewise.
        * config/i386/winnt-cxx.c: Likewise.
        * config/ia64/ia64.c: Likewise.
        * config/iq2000/iq2000.c: Likewise.
        * config/mep/mep.c: Likewise.
        * config/mips/mips.c: Likewise.
        * config/pa/som.h: Likewise.
        * config/rs6000/rs6000.c: Likewise.
        * config/s390/s390.c: Likewise.
        * config/sh/sh.c: Likewise.
        * config/sh/symbian-cxx.c: Likewise.
        * config/sparc/sparc.c: Likewise.
        * config/spu/spu.c: Likewise.
        * config/stormy16/stormy16.c: Likewise.
        * config/vxworks.c: Likewise.
        * config/xtensa/xtensa.c: Likewise.
        * coverage.c: Likewise.
        * dbxout.c: Likewise.
        * dwarf2out.c: Likewise.
        * emit-rtl.c: Likewise.
        * expr.c: Likewise.
        * function.c: Likewise.
        * gimple-low.c: Likewise.
        * gimple-pretty-print.c: Likewise.
        * gimplify.c: Likewise.
        * integrate.c: Likewise.
        * ipa-inline.c: Likewise.
        * ipa-prop.c: Likewise.
        * ipa-split.c: Likewise.
        * ipa-struct-reorg.c: Likewise.
        * ipa-type-escape.c: Likewise.
        * langhooks.c: Likewise.
        * lto-cgraph.c: Likewise.
        * omp-low.c: Likewise.
        * stor-layout.c: Likewise.
        * tree-cfg.c: Likewise.
        * tree-complex.c: Likewise.
        * tree-dfa.c: Likewise.
        * tree-dump.c: Likewise.
        * tree-inline.c: Likewise.
        * tree-mudflap.c: Likewise.
        * tree-nested.c: Likewise.
        * tree-object-size.c: Likewise.
        * tree-pretty-print.c: Likewise.
        * tree-sra.c: Likewise.
        * tree-ssa-live.c: Likewise.
        * tree-ssa-loop-niter.c: Likewise.
        * tree-ssa-math-opts.c: Likewise.
        * tree-ssa-reassoc.c: Likewise.
        * tree-ssa-sccvn.c: Likewise.
        * tree-ssa-structalias.c: Likewise.
        * tree-tailcall.c: Likewise.
        * tree-vrp.c: Likewise.
        * tree.c: Likewise.
        * var-tracking.c: Likewise.
        * varasm.c: Likewise.

2010-07-15  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        PR target/44877
        * config/spu/spu.c (spu_expand_builtin_1): Allow references
        (as well as pointers) as argument to mask_for_load builtins.

2010-07-15  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44946
        * tree-ssa-structalias.c (get_constraint_for_component_ref): Deal
        with accessing only padding properly.

2010-07-15  Jan Hubicka  <jh@suse.cz>

        * ipa.c (function_and_variable_visibility): Variables marked as used
        should not be localized.

2010-07-15  Jan Hubicka  <jh@suse.cz>

        * cgraph.c: Include lto-streamer.h
        (change_decl_assembler_name): Work when assembler name hash is at place.
        (cgraph_make_decl_local): When localizing COMDAT symbol at WPA stage,
        be sure to rename it to avoid name clash.
        * ipa.c (cgraph_externally_visible_p, function_and_variable_visibility):
        Localize hidden symbols only when locally defined.

2010-07-15  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.h (SHIFT_COUNT_TRUNCATED): Expand comment.

2010-07-15  Magnus Granberg  <zorry@gentoo.org>
            Kevin F. Quinn  <kevquinn@gentoo.org>

        * builtins.c (expand_builtin_init_trampoline): Warn for -Wtrampolines.
        * common.opt: Add -Wtrampolines.
        * doc/invoke.texi: Add -Wtrampolines.

2010-07-15  Jie Zhang  <jie@codesourcery.com>

        * config/arm/cortex-a8.md (cortex_a8_load_store_2): Reserve
        cortex_a8_issue_ls.

2010-07-15  Dave Korn  <dave.korn.cygwin@gmail.com>

        * config/i386/cygwin.h (LIBGCJ_SONAME): Update.
        * config/i386/mingw32.h (LIBGCJ_SONAME): Likewise.

2010-07-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (reg_names): Remove prototype.
        (call_used_regs): Likewise.

2010-07-14  Dave Korn  <dave.korn.cygwin@gmail.com>

        * config/i386/cygming-crtend.c (__FRAME_END__): Replace attribute
        "unused" with attribute "used".
        (__JCR_END__): Likewise.
        * config/i386/cygming-crtbegin.c (__EH_FRAME_BEGIN__): Add missing
        "used" attribute.
        (__JCR_LIST__): Replace attribute "unused" with attribute "used".

2010-07-14  Richard Guenther  <rguenther@suse.de>

        * lto-streamer-in.c (maybe_fixup_handled_component): Remove.
        (maybe_fixup_decls): Likewise.
        (input_gimple_stmt): Do not fixup anything.
        * lto-streamer-out.c (output_gimple_stmt): Make sure all
        non-automatic variable uses are wrapped inside a MEM_REF.

2010-07-14  Richard Henderson  <rth@redhat.com>

        * passes.c (rest_of_decl_compilation): Do not call assemble_variable
        for functions.
        * varasm.c (assemble_variable): Remove early exit for functions;
        assert that we're given a variable.

2010-07-14  Jie Zhang  <jie@codesourcery.com>

        * config/arm/cortex-a8.md (cortex_a8_alu): Don't use
        cortex_a8_default when neon_type is not none.

2010-07-14  Bernd Schmidt  <bernds@codesourcery.com>

        * lower-subreg.c (subreg_context): New static bitmap.
        (decompose_multiword_subregs): Allocate and free it.
        (find_decomposable_subregs): Set a bit in it for a register that
        occurs in a subreg that changes mode but not size.
        (can_decompose_p): Test it instead of non_decomposable_context.

2010-07-14  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44824
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Use
        is_gimple_mem_ref_addr.
        (tree_ssa_forward_propagate_single_use_vars): Do not propagate
        non-decl_address_invariant_p addresses.

2010-07-14  Bernd Schmidt  <bernds@codesourcery.com>

        * reload.c (find_reloads): Revert code to penalize small register
        classes that was brought in with the IRA merge.

2010-07-14  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle MEM_REF
        as base of ARRAY_REFs.

2010-07-14  Richard Guenther  <rguenther@suse.de>

        PR middle-end/44930
        * tree-pretty-print.c (do_niy): Do not print a newline.

2010-07-14  Bernd Schmidt  <bernds@codesourcery.com>

        * ira-int.h (struct ira_object): New.
        (ira_object_t): New typedef.  Add DEF_VEC_P and DEF_VEC_ALLOC_P for it.
        (struct ira_allocno): Remove members min, max,
        conflict_allocno_array, conflict_id, conflict_allocno_array_size,
        conflict_allocnos_num and conflict_vec_p.  Add new member object.
        (OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
        OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
        OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
        OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
        ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
        ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
        ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
        ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
        an ira_object_t rather than ira_allocno_t.  All uses changed.
        (ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
        contains a vector of ira_object_t; all uses changed.
        (ira_objects_num): Declare variable.
        (ira_create_allocno_object): Declare function.
        (ira_conflict_vector_profitable_p): Adjust prototype.
        (ira_allocate_conflict_vec): Renamed from
        ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
        (ira_allocate_object_conflicts): Renamed from
        ira_allocate_allocno_conflicts; first arg now ira_object_t.
        (struct ira_object_iterator): New.
        (ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
        (ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
        to conflict_vec_p.  All uses changed.
        (ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
        Changed to take into account that conflicts are now tracked for
        objects.
        * ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from CONFLICT_ALLOCNO_P.
        Args changed to accept ira_object_t.  All uses changed.
        (allocnos_conflict_p): New static function.
        (collected_conflict_objects): Renamed from collected_allocno_objects;
        now a vector of ira_object_t.  All uses changed.
        (build_conflict_bit_table): Changed to take into account that
        conflicts are now tracked for objects.
        (process_regs_for_copy, propagate_copies, build_allocno_conflicts)
        (print_allocno_conflicts, ira_build_conflicts): Likewise.
        * ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
        setup_allocno_left_conflicts_size, allocno_reload_assign,
        fast_allocation): Likewise.
        * ira-lives.c (make_hard_regno_born, make_allocno_born)
        process_single_reg_class_operands, process_bb_node_lives): Likewise.
        * ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
        Likewise.
        * ira-build.c (ira_objects_num): New variable.
        (ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
        contains a vector of ira_object_t; all uses changed.
        (ira_object_id_map_vec): Corresponding change.
        (object_pool): New static variable.
        (initiate_allocnos): Initialize it.
        (finish_allocnos): Free it.
        (ira_create_object, ira_create_allocno_object, create_allocno_objects):
        New functions.
        (ira_create_allocno): Don't set members that were removed.
        (ira_set_allocno_cover_class): Don't change conflict hard regs.
        (merge_hard_reg_conflicts): Changed to take into account that
        conflicts are now tracked for objects.
        (ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
        allocate_conflict_bit_vec, ira_allocate_object_conflicts,
        compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
        setup_min_max_allocno_live_range_point, allocno_range_compare_func,
        setup_min_max_conflict_allocno_ids, ):  Likewise.
        (add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
        to ira_object_t; all callers changed.
        (ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
        to ira_object_t, all callers changed.
        (clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
        to ira_object_t, all callers changed.
        (conflict_check, curr_conflict_check_tick): Renamed from
        allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
        changed.
        (compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
        arg changed to ira_object_t, all callers changed.
        (create_cap_allocno): Call ira_create_allocno_object.
        (finish_allocno): Free the corresponding object.
        (sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
        callers changed.  Adjusted for dealing with objects.
        (ira_build): Call create_allocno_objects after ira_costs.  Adjusted for
        dealing with objects.
        * ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.

        * ira-int.h (struct live_range): Rename allocno member to object
        and change type to ira_object_t.
        (struct ira_object): New member live_ranges.
        (struct ira_allocno): Remove member live_ranges.
        (ALLOCNO_LIVE_RANGES): Remove.
        (OBJECT_LIVE_RANGES): New macro.
        (ira_create_live_range, ira_copy_live_range_list,
        ira_merge_live_range_list, ira_live_ranges_intersect_p,
        ira_finish_live_range, ira_finish_live_range_list): Adjust declarations.
        * ira-build.c (ira_create_object): Initialize live ranges here.
        (ira_create_allocno): Not here.
        (ira_create_live_range): Rename from ira_create_allocno_live_range, arg
        changed to ira_object_t, all callers changed.
        (copy_live_range): Rename from copy_allocno_live_range, all callers
        changed.
        (ira_copy_live_range_list): Rename from
        ira_copy_allocno_live_range_list, all callers changed.
        (ira_merge_live_ranges): Rename from ira_merge_allocno_live_range_list,
        all callers changed.
        (ira_live_ranges_intersect_p): Rename from
        ira_allocno_live_ranges_intersect_p, all callers changed.
        (ira_finish_live_range): Rename from ira_finish_allocno_live_range, all
        callers changed.
        (ira_finish_live_range_list): Rename from
        ira_finish_allocno_live_range_list, all callers changed.
        (change_object_in_range_list): Rename from change_allocno_in_range_list,
        last arg changed to ira_object_t, all callers changed.
        (finish_allocno): Changed to expect live ranges in the allocno's object.
        (move_allocno_live_ranges, copy_allocno_live_ranges,
        update_bad_spill_attribute, setup_min_max_allocno_live_range_point,
        ira_flattening, ira_build): Likewise.
        * ira-color.c (allocnos_have_intersected_live_ranges_p,
        slot_coalesced_allocno_live_ranges_intersect,
        setup_slot_coalesced_allocno_live_ranges, fast_allocation): Likewise.
        * ira-conflicts.c (build_conflict_bit_table): Likewise.
        * ira-emit.c (add_range_and_copies_from_move_list): Likewise.
        * ira-lives.c (make_allocno_born, update_allocno_pressure_excess_length,
        make_allocno_dead, create_start_finish_chains,
        remove_some_program_points_and_update_live_ranges,
        ira_debug_live_range_list): Likewise.

        * ira-int.h (ira_object_conflict_iterator): Rename from
        ira_allocno_conflict_iterator.
        (ira_object_conflict_iter_init): Rename from
        ira_allocno_conflict_iter_init, second arg changed to
        * ira.c (check_allocation): Use FOR_EACH_OBJECT_CONFLICT rather than
        FOR_EACH_ALLOCNO_CONFLICT.
        * ira-color.c (assign_hard_reg, push_allocno_to_stack)
        setup_allocno_left_conflicts_size, coalesced_allocno_conflict_p,
        ira_reassign_conflict_allocnos, ira_reassign_pseudos): Likewise.
        * ira-conflicts.c (print_allocno_conflicts): Likewise.

2010-07-13  Joern Rennecke  <joern.rennecke@embecosm.com>

        PR other/44874
        * tree-dump.c (dump_options): Add enumerate_locals entry.
        Add TDF_NOID exclusion to all entry.
        * tree-dump.h (dump_enumerated_decls): Declare.
        * tree-pretty-print.c (dump_generic_node): For TDF_NOID,
        Don't display type uid.
        (print_declaration): Don't crash on TREE_TYPE (t) == 0.
        * tree-pass.h (TDF_ENUMERATE_LOCALS): Define.
        * tree-ssa-live.c: Include gimple.h.
        (numbered_tree_d): New struct.
        (numbered_tree): New typedef.
        (DEF_VEC_O (numbered_tree): New.
        (DEF_VEC_ALLOC_O (numbered_tree, heap)): Likewise.
        (compare_decls_by_uid, dump_enumerated_decls_push): New functions.
        (dump_enumerated_decls): Likewise.
        * tree-optimize.c (execute_cleanup_cfg_post_optimizing): If comparing
        debug info and flag_dump_final_insns, call dump_enumerated_decls.
        * tree-cfg.c (dump_function_to_file): Call dump_enumerated_decls.
        * Makefile.in (tree-ssa-live.o): Depend on $(GIMPLE_H).

2010-07-13  Richard Sandiford  <rdsandiford@googlemail.com>

        * expmed.h (MAX_BITS_PER_WORD): Move to...
        * defaults.h (MAX_BITS_PER_WORD): ...here.

2010-07-13  DJ Delorie  <dj@redhat.com>

        * config/h8300/h8300.c (h8300_init_once): Default to
        -fstrict_volatile_bitfields.

        * config/sh/sh.c (sh_override_options): Default to
        -fstrict_volatile_bitfields.

        * config/rx/rx.c (rx_option_override): New.

        * config/m32c/m32c.c (m32c_override_options): Default to
        -fstrict_volatile_bitfields.

2010-07-13  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.h (build_function_call_expr): Delete.
        (build_call_expr_loc_array): New function.
        (build_call_expr_loc_vec): New function.
        * tree-flow.h (struct omp_region): Change type of ws_args field
        to a VEC.
        * builtins.c (build_function_call_expr): Delete.
        (build_call_expr_loc_array): New function.
        (build_call_expr_loc): Call it.  Use XALLOCAVEC.
        (build_call_expr): Likewise.
        (build_call_expr_loc_vec): New function.
        * cgraphunit.c (build_cdtor): Call build_call_expr instead of
        build_function_call_expr.
        * expr.c (emutls_var_address): Likewise.
        * varasm.c (emutls_common_1): Likewise.
        * omp-low.c (expand_omp_atomic_mutex): Likewise.
        (expand_omp_taskreg): Adjust for new type of region->ws_args.
        (get_ws_args_for): Return a VEC instead of a tree.
        (expand_parallel_call): Call build_call_expr_loc_vec instead of
        build_function_call_expr.
        * stor-layout.c (self_referential_size): Likewise.

2010-07-13  Jakub Jelinek  <jakub@redhat.com>

        PR testsuite/44701
        * recog.c (constrain_operands): Allow side-effects in memory
        operands if either < or > constraint is used, rather than if
        both < and > is used.

2010-07-13  Richard Guenther  <rguenther@suse.de>

        PR middle-end/44911
        * tree-pretty-print.c (dump_generic_node): Use TDF_SLIM for
        MEM_REF pointer type dumping.  Avoid recursing for TYPE_DECLs
        without name.

2010-07-13  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/44761
        * mode-switching.c (optimize_mode_switching): Add ATTRIBUTE_UNUSED
        to variable emited.
        * config/sh/sh.c (sh_expand_epilogue): Remove unused variable.
        * config/sh/sh.md (symGOT_load): Likewise.
        (symDTPOFF2reg): Likewise.
        (symTPOFF2reg): Likewise.

2010-07-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * expmed.c (MAX_BITS_PER_WORD): Moved to expmed.h.
        * expmed.h (MAX_BITS_PER_WORD): Moved from expmed.c.

2010-07-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/i386/sol2-unwind.h (x86_64_fallback_frame_state): Correct
        explanation.
        Find ucontext_t * on Solaris 11.
        (x86_fallback_frame_state): Handle Solaris 9 multi-threaded pattern.
        Handle new Solaris 11 __sighndlr patterns.

2010-07-13  Jakub Jelinek  <jakub@redhat.com>

        PR debug/44901
        * vec.h (VEC_block_remove): Fix comment.
        * tree-ssa-live.c (remove_unused_locals): Don't use
        VEC_unordered_remove on local_decls, instead replace a single
        vector element in each iteration if at least one element had
        to be removed and VEC_truncate at the end.
        * omp-low.c (expand_omp_taskreg): Likewise.

2010-07-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c-decl.c (finish_function): Fix typo in comment.

2010-07-12  H.J. Lu  <hongjiu.lu@intel.com>

        PR bootstrap/44921
        * postreload.c (move2add_use_add3_insn): Silence gcc warning
        on min_regno.

2010-07-12  Jakub Jelinek  <jakub@redhat.com>

        * tree-vrp.c (simplify_bit_ops_using_ranges): New function.
        (simplify_stmt_using_ranges): Use it.

2010-07-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.h (struct spu_builtin_description): Remove FNDECL
        member.  Do not mark as GTY(()).
        * config/spu/spu.c (spu_builtins): Remove FNDECL initializer elements.
        (spu_builtin_decls): New static variable.
        (spu_builtin_decl): Use it instead of spu_builtins[].fndecl.
        (spu_init_builtins): Likewise.
        (spu_builtin_mul_widen_even): Likewise.
        (spu_builtin_mul_widen_odd): Likewise.
        (spu_builtin_mask_for_load): Likewise.
        (spu_builtin_vec_perm): Likewise.
        * config/spu/spu-c.c: Include "target.h".
        (spu_resolve_overloaded_builtin): Call targetm.builtin_decl instead
        of using spu_builtins[].fndecl.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (mips_override_options): Make -mflip-mips16
        imply -minterlink-mips16.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.h (mips16_globals): Declare.
        (SWITCHABLE_TARGET): Define.
        * config/mips/mips.c: Include target-globals.h.
        (mips16_globals): New variable.
        (mips_set_mips16_mode): Use save_target_globals and
        restore_target_globals instead of target_reinit.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * reginfo.c (init_reg_sets): Don't zero globals here.  Update comment
        to say that the function can be called more than once.
        * target-globals.c (save_target_globals): Call init_reg_sets.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (bb-reorder.o, target-globals.o): Depend on bb-reorder.h
        * bb-reorder.h: New file.
        * bb-reorder.c (default_target_bb_reorder): New variable.
        (this_target_bb_reorder): New conditional variable.
        (uncond_jump_length): Redefine as a macro.
        * target-globals.h (this_target_bb_reorder): Declare.
        (target_globals): Add a bb_reorder field.
        (restore_target_globals): Copy the bb_reorder field to
        this_target_bb-reorder.
        * target-globals.c: Include bb-reorder.h.
        (default_target_globals): Initialize the bb_reorder field.
        (save_target_globals): Likewise.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (gcse.o, target-globals.o): Depend on gcse.h..
        * gcse.h: New file.
        * gcse.c: Include gcse.h.
        (default_target_gcse): New variable.
        (this_target_gcse): New conditional variable.
        (can_copy): Redefine as a macro.
        (can_copy_init_p): New macro.
        (can_copy_p): Remove can_copy_init_p.
        * target-globals.h (this_target_gcse): Declare.
        (target_globals): Add a gcse field.
        (restore_target_globals): Copy the gcse field to this_target_gcse.
        * target-globals.c: Include gcse.h.
        (default_target_globals): Initialize the gcse field.
        (save_target_globals): Likewise.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * ira-int.h (target_ira_int): Add x_ira_prohibited_mode_move_regs
        and x_ira_prohibited_mode_move_regs_initialized_p.
        (ira_prohibited_mode_move_regs): Redefine as a macro.
        * ira.c (ira_prohibited_mode_move_regs): Delete.
        (ira_prohibited_mode_move_regs_initialized_p): Redefine as a macro.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * reload.h (target_reload): Add x_cached_reg_save_code and
        x_cached_reg_restore_code.
        * caller-save.c (cached_reg_save_code, cached_reg_restore_code):
        Redefine as macros.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (target-globals.o): Depend on builtins.h.
        * builtins.h: New file.
        * builtins.c: Include builtins.h.
        (default_target_builtins): New variable.
        (this_target_builtins): New conditional variable.
        (apply_args_mode, apply_result_mode): Redefine as macros.
        * target-globals.h (this_target_builtins): Declare.
        (target_globals): Add a builtins field.
        (restore_target_globals): Copy the builtins field to
        this_target_builtins.
        * target-globals.c: Include builtins.h.
        (default_target_globals): Initialize the builtins field.
        (save_target_globals): Likewise.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * expmed.h (alg_code, mult_cost, MULT_COST_LESS, CHEAPER_MULT_COST)
        (algorithm, alg_hash_entry, NUM_ALG_HASH_ENTRIES, alg_hash): Moved
        from expmed.c.
        (target_expmed): Add x_alg_hash and x_alg_hash_used_p.
        (alg_hash, alg_hash_used_p): New macros.
        * expmed.c (init_expmed): Clear alg_hash if reinitializing.
        (alg_code, mult_cost, MULT_COST_LESS, CHEAPER_MULT_COST, algorithm)
        (alg_hash_entry, NUM_ALG_HASH_ENTRIES, alg_hash): Moved to expmed.h.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * ira-int.h (target_ira_int): Add x_max_struct_costs_size, x_init_cost,
        x_temp_costs, x_op_costs, x_this_op_costs and x_cost_classes.
        * ira-costs.c (max_struct_costs_size, init_cost, temp_costs, op_costs)
        (this_op_costs, costs_classes): Redefine as macros.
        (record_reg_classes): Don't take op_costs as a parameter.
        (record_operand_costs): Likewise.  Update calls to record_reg_classes.
        (scan_one_insn): Update call to record_operand_costs.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (target-globals.o): Depend on $(IRA_INT_H).
        * ira-int.h (ira_max_nregs, ira_important_class_nums): Delete.
        (target_ira_int): New structure.
        (default_target_ira_int): Declare.
        (this_target_ira_int): Declare as a variable or define as a macro.
        (ira_reg_mode_hard_regset, ira_register_move_cost)
        (ira_may_move_in_cost, ira_may_move_out_cost, ira_class_subset_p)
        (ira_non_ordered_class_hard_regs, ira_class_hard_reg_index)
        (prohibited_class_mode_regs, ira_important_classes_num)
        (ira_important_classes, ira_reg_class_intersect)
        (ira_reg_classes_intersect_p, ira_reg_class_super_classes)
        (ira_reg_class_union): Redefine as macros.
        * ira.h (target_ira): New structure.
        (default_target_ira): Declare.
        (this_target_ira): Declare as a variable or define as a macro.
        (ira_available_class_regs, ira_hard_regno_cover_class)
        (ira_reg_class_cover_size, ira_reg_class_cover, ira_class_translate)
        (ira_reg_class_nregs, ira_memory_move_cost, ira_class_hard_regs)
        (ira_class_hard_regs_num): Redefine as macros.
        * ira.c (default_target_ira, default_target_ira_int): New variables.
        (this_target_ira, this_target_ira_int): New conditional variables.
        (ira_reg_mode_hard_regset, ira_memory_move_cost)
        (ira_register_move_cost, ira_may_move_in_cost, ira_may_move_out_cost)
        (ira_class_subset_p): Delete.
        (no_unit_alloc_regs): Redefine as a macro.
        (ira_class_hard_regs, ira_non_ordered_class_hard_regs)
        (ira_class_hard_regs_num, ira_class_hard_reg_index)
        (ira_available_class_regs): Delete.
        (alloc_reg_class_subclasses): Redefine as a macro.
        (ira_reg_class_cover_size, ira_reg_class_cover)
        (ira_important_classes_num, ira_important_classes)
        (ira_important_class_nums, ira_class_translate): Delete.
        (cover_class_order): Document the variable's lifetime.
        (reorder_important_classes): Don't set ira_important_class_nums.
        (ira_reg_class_intersect, ira_reg_classes_intersect_p)
        (ira_reg_class_super_classes, ira_reg_class_union)
        (ira_hard_regno_cover_class, ira_reg_class_nregs, ira_max_nregs):
        Delete.
        (setup_reg_class_nregs): Don't set ira_max_regs.
        (prohibited_class_mode_regs): Delete.
        * target-globals.h (this_target_ira, this_target_ira_int): Declare.
        (target_globals): Add ira and ira_int fields.
        (restore_target_globals): Copy the ira field to this_target_ira
        and the ira_int field to this_target_ira_int.
        * target-globals.c: Include ira-int.h.
        (default_target_globals): Initialize the ira and ira_int fields.
        (save_target_globals): Likewise.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (target-globals.o): Depend on $(CFGLOOP_H).
        * cfgloop.h (target_cfgloop): New structure.
        (default_target_cfgloop): Declare.
        (this_target_cfgloop): Declare as a variable or define as a macro.
        (target_avail_regs, target_clobbered_regs, target_res_regs)
        (target_reg_cost, target_spill_cost): Redefine as macros.
        * cfgloopanal.c (default_target_cfgloop): New variable.
        (this_target_cfgloop): New conditional variable.
        (target_avail_regs, target_clobbered_regs, target_res_regs)
        (target_reg_cost, target_spill_cost): Delete.
        * target-globals.h (this_target_cfgloop): Declare.
        (target_globals): Add a cfgloop field.
        (restore_target_globals): Copy the cfgloop field to
        this_target_cfgloop.
        * target-globals.c: Include cfgloop.h.
        (default_target_globals): Initialize the cfgloop field.
        (save_target_globals): Likewise.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * regs.h (target_regs): Add x_direct_load, x_direct_store and
        x_float_extend_from_mem.
        (direct_load, direct_store, float_extend_from_mem): New macros.
        * expr.c (direct_load, direct_store, float_extend_from_mem): Delete.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (LIBFUNCS_H): Add $(HASHTAB_H).
        (target-globals.o): Depend on $(LIBFUNCS_H).
        * libfuncs.h: Include hashtab.h.
        (libfunc_entry): Moved from optabs.c.
        (target_libfuncs): New structure.
        (default_target_libfuncs): Declare.
        (this_target_libfuncs): Declare as a variable or define as a macro.
        (libfunc_table): Redefine as a macro.
        * optabs.c (default_target_libfuncs): New variable.
        (this_target_libfuncs): New conditional variable.
        (libfunc_table): Delete.
        (libfunc_entry): Moved to optabs.h.
        (libfunc_hash): Redefine as a macro.
        (hash_libfunc, eq_libfunc): Fix comments.
        (init_optabs): Use libfunc_hash to detect cases where the function
        has already been called.  Clear the hash table instead of
        recreating it.
        * target-globals.h (this_target_libfuncs): Declare.
        (target_globals): Add a libfuncs field.
        (restore_target_globals): Copy the libfuncs field to
        this_target_libfuncs.
        * target-globals.c: Include libfuncs.h.
        (default_target_globals): Initialize the libfuncs field.
        (save_target_globals): Likewise.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (LIBFUNCS_H): New variable.  Use instead of libfuncs.h
        in all dependency lists.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (target-globals.o): Depend on $(EXPR_H) and $(OPTABS_H).
        * optabs.h (target_optabs): New structure.
        (default_target_optabs): Declare.
        (this_target_optabs): Declare as a variable or define as a macro.
        (optab_table, convert_optab_table, direct_optab_table): Redefine
        as macros.
        * optabs.c (default_target_optabs): New variable.
        (this_target_optabs): New conditional variable.
        (optab_table, convert_optab_table, direct_optab_table): Delete.
        * target-globals.h (this_target_optabs): Declare.
        (target_globals): Add a optabs field.
        (restore_target_globals): Copy the optabs field to
        this_target_optabs.
        * target-globals.c: Include expr.h and optabs.h.
        (default_target_globals): Initialize the optabs field.
        (save_target_globals): Likewise.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * flags.h (target_flagstate): Add x_flag_excess_precision.
        (flag_excess_precision): Redefine as a macro.
        * toplev.c (flag_excess_precision): Delete.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * defaults.h (MAX_MOVE_MAX, MIN_UNITS_PER_WORD): Define if not defined.
        * libgcc2.c (MIN_UNITS_PER_WORD): Delete.
        * hard-reg-set.h (target_hard_regs): Add x_no_caller_save_reg_set.
        (no_caller_save_reg_set): Redefine as a macro.
        * reload.h (target_reload): Add x_caller_save_initialized_p and
        x_regno_save_mode.
        (caller_save_initialized_p): Redefine as a macro.
        * caller-save.c (caller_save_initialized_p, no_caller_save_reg_set)
        (MAX_MOVE_MAX, MIN_UNITS_PER_WORD): Delete.
        (regno_save_mode): Redefine as a macro.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (expmed.o, target-globals.o): Depend on expmed.h.
        * expmed.h: New file.
        * expmed.c (default_target_costs): New variable.
        (this_target_costs): New conditional variable.
        (sdiv_pow2_cheap, smod_pow2_cheap, zero_cost, add_cost, neg_cost)
        (shift_cost, shiftadd_cost, shiftsub0_cost, shiftsub1_cost, mul_cost)
        (sdiv_cost, udiv_cost, mul_widen_cost, mul_highpart_cost): Delete.
        * target-globals.h (this_target_expmed): Declare.
        (target_globals): Add a expmed field.
        (restore_target_globals): Copy the expmed field to
        this_target_expmed.
        * target-globals.c: Include expmed.h.
        (default_target_globals): Initialize the expmed field.
        (save_target_globals): Likewise.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (target-globals.o): Depend on reload.h.
        * reload.h (target_reload): New structure.
        (default_target_reload): Declare.
        (this_target_reload): Declare as a variable or define as a macro.
        (indirect_symref_ok, double_reg_address_ok): Redefine as macros.
        * reload1.c (default_target_reload): New variable
        (this_target_reload): New conditional variable.
        (indirect_symref_ok, double_reg_address_ok): Delete.
        (spill_indirect_levels): Redefine as a macro.
        * target-globals.h (this_target_reload): Declare.
        (target_globals): Add a reload field.
        (restore_target_globals): Copy the reload field to
        this_target_reload.
        * target-globals.c: Include hard-reg-set.h.
        (default_target_globals): Initialize the reload field.
        (save_target_globals): Likewise.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * rtl.h (target_rtl): Add x_static_reg_base_value.
        * alias.c (static_reg_base_value): Redefine as a macro.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (reginfo.o): Don't depend on $(GGC_H) or gt-reginfo.h.
        (GTFILES): Remove reginfo.c.
        * rtl.h (target_rtl): Add x_top_of_stack.
        (top_of_stack): New macro.
        * reginfo.c: Don't include ggc.h or gt-reginfo.h.
        (top_of_stack): Delete.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * regs.h (target_regs): Add x_hard_regs_of_mode,
        x_contains_reg_of_mode, x_move_cost, x_may_move_in_cost,
        x_may_move_out_cost and x_last_mode_for_init_move_cost.
        (have_regs_of_mode, contains_reg_of_mode, move_cost)
        (may_move_in_cost, may_move_out_cost): Redefine as macros.
        * reginfo.c (have_regs_of_mode, contains_reg_of_mode, move_cost)
        (may_move_in_cost, may_move_out_cost): Delete.
        (last_mode_for_init_move_cost): Redefine as a macro.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * hard-reg-set.h (target_hard_regs): New structure.
        (default_target_hard_regs): Declare.
        (this_target_hard_regs): Declare as a variable or define as a macro.
        (fixed_regs, fixed_reg_set, call_used_regs, call_really_used_regs)
        (call_used_reg_set, call_fixed_reg_set, regs_invalidated_by_call)
        (reg_alloc_order, inv_reg_alloc_order, reg_class_contents)
        (reg_class_size, reg_class_subclasses, reg_class_subunion)
        (reg_class_superunion, reg_names): Redefine as macros.
        * reginfo.c (fixed_regs, fixed_reg_set, call_used_regs)
        (call_used_reg_set, call_really_used_regs, call_fixed_reg_set)
        (regs_invalidated_by_call, reg_alloc_order, inv_reg_alloc_order)
        (reg_class_contents, reg_class_size, reg_class_subclasses)
        (reg_class_subunion, reg_class_superunion, reg_names): Delete.
        (default_target_hard_regs): New variable
        (this_target_hard_regs, initial_call_really_used_regs)
        (initial_reg_alloc_order): New conditional variables.
        (initial_reg_names): New variable.
        (init_reg_sets): Assert that initial_call_really_used_regs,
        initial_reg_alloc_order and initial_reg_names
        are all the same size as their variable counterparts.  Use them to
        initialize those counterparts.
        * target-globals.h (this_target_hard_regs): Declare.
        (target_globals): Add a hard_regs field.
        (restore_target_globals): Copy the hard_regs field to
        this_target_hard_regs.
        * target-globals.c: Include hard-reg-set.h.
        (default_target_globals): Initialize the hard_regs field.
        (save_target_globals): Likewise.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (target-globals.o): Depend on $(RTL_H).
        * rtl.h (target_rtl): New structure.
        (default_target_rtl): Declare.
        (this_target_rtl): Declare as a variable or define as a macro.
        (global_rtl, pic_offset_table_rtx, return_address_pointer_rtx):
        Redefine as macros.
        * emit-rtl.c (default_target_rtl): New variable.
        (this_target_rtl): New conditional variable.
        (global_rtl, static_regno_reg_rtx, pic_offset_table_rtx)
        (return_address_pointer_rtx): Delete.
        (initial_regno_reg_rtx): New macro.
        (init_emit): Use initial_regno_reg_rtx instead of static_regno_reg_rtx.
        (init_emit_regs): Likewise.
        * target-globals.h (this_target_rtl): Declare.
        (target_globals): Add a rtl field.
        (restore_target_globals): Copy the rtl field to this_target_rtl.
        * target-globals.c: Include rtl.h.
        (default_target_globals): Initialize the rtl field.
        (save_target_globals): Likewise.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (target-globals.o): Depend on $(REGS_H).
        * regs.h (target_reg_modes): New structure.
        (default_target_reg_modes): Declare.
        (this_target_reg_modes): Declare as a variable or define as a macro.
        (hard_regno_nregs, reg_raw_mode): Redefine as macros.
        * reginfo.c (default_target_reg_modes): New variable.
        (this_target_reg_modes): New conditional variable.
        (hard_regno_nregs, reg_raw_mode): Delete.
        * target-globals.h (this_target_regs): Declare.
        (target_globals): Add a regs field.
        (restore_target_globals): Copy the regs field to this_target_regs.
        * target-globals.c: Include regs.h.
        (default_target_globals): Initialize the regs field.
        (save_target_globals): Likewise.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * doc/tm.texi.in (SWITCHABLE_TARGET): Document.
        * doc/tm.texi: Regenerate.
        * Makefile.in (OBJS-common): Add target-globals.o.
        (gtype-desc.o): Depend on $(IPA_PROP_H), $(LTO_STREAMER_H)
        and target-globals.h.
        (target-globals.o): New rule.
        (GTFILES): Include $(srcdir)/target-globals.h.
        * defaults.h (SWITCHABLE_TARGET): Define.
        * gengtype.c (open_base_files): Add target-globals.h to the
        list of includes.
        * target-globals.h: New file.
        * target-globals.c: Likewise.

        * Makefile.in (target-globals.o): Depend on $(FLAGS_H).
        * flags.h (target_flag_state): New structure.
        (default_target_flag_state): Declare.
        (this_target_flag_state): Declare as a variable or define as a macro.
        (align_loops_log): Redefine as a macro.
        (align_loops_max_skip, align_jumps_log): Likewise.
        (align_jumps_max_skip, align_labels_log): Likewise.
        (align_labels_max_skip, align_functions_log): Likewise.
        * toplev.c (default_target_flag_state): New variable.
        (this_target_flag_state): New conditional variable.
        (align_loops_log): Delete.
        (align_loops_max_skip, align_jumps_log): Likewise.
        (align_jumps_max_skip, align_labels_log): Likewise.
        (align_labels_max_skip, align_functions_log): Likewise.
        * target-globals.h (this_target_flag_state): Declare.
        (target_globals): Add a flag_state field.
        (restore_target_globals): Copy the flag_state field to
        this_target_flag_state.
        * target-globals.c: Include flags.h.
        (default_target_globals): Initialize the flag_state field.
        (save_target_globals): Likewise.

2010-07-12  Jie Zhang  <jie@codesourcery.com>

        * postreload.c (reg_symbol_ref[]): New.
        (move2add_use_add2_insn): New.
        (move2add_use_add3_insn): New.
        (reload_cse_move2add): Handle SYMBOL + OFFSET case.
        (move2add_note_store): Likewise.

2010-07-12  Joern Rennecke  <joern.rennecke@embecosm.com>

        PR rtl-optimization/44752
        * genautomata.c (main): Don't emit an empty file even if there
        is no automaton.

2010-07-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/i386/i386.c (ix86_sol10_return_in_memory): Rename to
        ix86_solaris_return_in_memory.
        * config/i386-protos.h: Reflect this.
        * config/i386/vx-common.h (SUBTARGET_RETURN_IN_MEMORY): Likewise.
        * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Likewise.
        Move ...
        * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): ... here.

2010-07-12  Jie Zhang  <jie@codesourcery.com>

        * config/arm/arm.c (arm_get_frame_offsets): Don't use r3 to
        align the stack when it's going to be saved.

2010-07-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR pch/14940
        * config/host-solaris.c (mmap_fixed): New function.
        (sol_gt_pch_get_address): Use it.
        (sol_gt_pch_use_address): Likewise.

2010-07-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32 to
        pentiumpro on Solaris 8 and 9/x86.
        * doc/install.texi (Specific, i?86-*-solaris2.[89]): Recommend GNU as.
        Document SSE/SSE2 support.
        * doc/sourcebuild.texi (Effective-Target Keywords): Document sse.

2010-07-12  Andi Kleen  <ak@linux.intel.com>

        * lto-symtab.c (lto_symtab_merge_decls_1): Use fatal_error
        instead of gcc_assert to print better error message for multiple
        prevailing defs.

2010-07-12  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_asm_output_function_label): Change format
        string placeholder from 0x%x to %#x.
        (ix86_code_end): Use putc to output '\n'.
        (ix86_print_operand) <case ';'>: Use putc to output ';'.

2010-07-11  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/winnt.c (i386_pe_file_end): Quote symbol name
        in directive -export.

2010-07-10  Anatoly Sokolov  <aesok@post.ru>

        * reginfo.h (reg_classes_intersect_p): Change arguments type to
        reg_class_t.
        * rtl.h (reg_classes_intersect_p): Adjust prototype.

        * config/rs6000/rs6000.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
        Remove macros.
        * config/rs6000/rs6000-protos.h (rs6000_register_move_cost,
        rs6000_memory_move_cost): Remove
        * config/rs6000/rs6000.c (TARGET_REGISTER_MOVE_COST,
        TARGET_MEMORY_MOVE_COST): Define.
        (rs6000_register_move_cost): Make static. Change arguments type from
        enum reg_class to reg_class_t. Adjust rs6000_memory_move_cost calls.
        (rs6000_memory_move_cost): Make static. Change arguments type from
        'enum reg_class' to reg_class_t.

2010-07-10  Sandra Loosemore  <sandra@codesourcery.com>

        PR middle-end/42505
        * tree-inline.c (estimate_num_insns): Refactor builtin complexity
        lookup code into....
        * builtins.c (is_simple_builtin, is_inexpensive_builtin): ...these
        new functions.
        * tree.h (is_simple_builtin, is_inexpensive_builtin): Declare.
        * cfgloopanal.c (target_clobbered_regs): Define.
        (init_set_costs): Initialize target_clobbered_regs.
        (estimate_reg_pressure_cost): Add call_p argument.  When true,
        adjust the number of available registers to exclude the
        call-clobbered registers.
        * cfgloop.h (target_clobbered_regs): Declare.
        (estimate_reg_pressure_cost): Adjust declaration.
        * tree-ssa-loop-ivopts.c (struct ivopts_data): Add body_includes_call.
        (ivopts_global_cost_for_size): Pass it to estimate_reg_pressure_cost.
        (determine_set_costs): Dump target_clobbered_regs.
        (loop_body_includes_call): New function.
        (tree_ssa_iv_optimize_loop): Use it to initialize new field.
        * loop-invariant.c (gain_for_invariant): Adjust arguments to pass
        call_p flag through.
        (best_gain_for_invariant): Likewise.
        (find_invariants_to_move): Likewise.
        (move_single_loop_invariants): Likewise, using already-computed
        has_call field.

2010-07-10  Richard Guenther  <rguenther@suse.de>
            Joern Rennecke  <joern.rennecke@embecosm.com>

        PR debug/44832
        * tree-ssa-live.c (mark_all_vars_used_1): Set TREE_USED for LABEL_DECL.
        (remove_unused_scope_block_p): Don't drop TREE_USED LABEL_DECLs
        unless they have DECL_IGNORED_P set.

2010-07-10  Richard Guenther  <rguenther@suse.de>

        PR lto/44889
        * gimple.c (gimple_fixup_complete_and_incomplete_subtype_p): New
        helper function.
        (gimple_types_compatible_p): Similar to pointed-to
        types allow and merge a mix of complete and incomplete aggregate.
        Use gimple_fixup_complete_and_incomplete_subtype_p for that.
        (iterative_hash_gimple_type): Adjust for that.

2010-07-10  Richard Sandiford  <r.sandiford@uk.ibm.com>

        * tree.h (DECL_REPLACEABLE_P): Strengthen check for weak symbols.

2010-07-10  Iain Sandoe  <iains@gcc.gnu.org>

        PR objc/44140
        * config/darwin.c (output_objc_section_asm_op): Save and restore
        section when outputting ObjC section list.

2010-07-09  Jan Hubicka  <jh@suse.cz>

        * lto-streamer-out.c (produce_symtab): Do not write alias
        cgraph/varpool nodes.

2010-07-09  Jan Hubicka  <jh@suse.cz>

        * tree-inline.c (declare_return_variable): Fix ICE while
        inlining DECL_BY_VALUE function not in SSA form

2010-07-09  Changpeng Fang  <changpeng.fang@amd.com>

        PR tree-optimization/44576
        * tree-ssa-loop-prefetch.c (trip_count_to_ahead_ratio_too_small_p):
        New.  Pull out from is_loop_prefetching_profitable to implement
        the trip count to ahead ratio heuristic.
        (mem_ref_count_reasonable_p): New.  Pull out from
        is_loop_prefetching_profitable to implement the instruction to
        memory reference ratio heuristic.  Also consider not reasonable if
        the memory reference count is above a threshold (to avoid
        explosive compilation time.
        (insn_to_prefetch_ratio_too_small_p): New.  Pull out from
        is_loop_prefetching_profitable to implement the instruction to
        prefetch ratio heuristic.
        (is_loop_prefetching_profitable): Removed.
        (loop_prefetch_arrays): Distribute the cost analysis across the
        function to allow early exit of the prefetch analysis.
        is_loop_prefetching_profitable is splitted into three functions,
        with each one called as early as possible.
        (PREFETCH_MAX_MEM_REFS_PER_LOOP): New.  Threshold above which the
        number of memory references in a loop is considered too many.

2010-07-09  Bernd Schmidt  <bernds@codesourcery.com>

        * reload.c (find_reloads): Don't clear badop if we have a winreg
        alternative, but not win, and the class only has fixed regs.
        * hard-reg-set.h (class_only_fixed_regs): Declare.
        * reginfo.c (class_only_fixed_regs): New array.
        (init_reg_sets_1): Initialize it.
        * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn): Don't
        discourage alternatives using the stack pointer.

        * config/arm/arm.md (addsi3_cbranch): Switch alternatives 0 and 1.

        * config/arm/arm.md (Thumb-1 ldrsb peephole): New.

        * config/arm/arm.md (cbranchqi4): Fix array size.
        (addsi3_cbranch): Also andle alternative 2 like alternative 3 when
        calculating length.

2010-07-09  Richard Guenther  <rguenther@suse.de>

        * gimple.c (struct type_fixup_s): New struct and VEC type.
        (gimple_register_type_fixups): New static global.
        (gimple_queue_type_fixup): New function.
        (gimple_types_compatible_p): Queue type fixups instead of
        applying them here.
        (gimple_register_type): Apply queued fixups for the
        canonical type.  Empty the type fixup queue.

2010-07-09  Uros Bizjak  <ubizjak@gmail.com>

        * configure.ac (gcc_cv_as_ix86_rep_lock_prefix): Fix test.
        * configure: Regenerate.
        * config.in: Ditto.

2010-07-09  Jakub Jelinek  <jakub@redhat.com>
            Denys Vlasenko  <dvlasenk@redhat.com>
            Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        PR tree-optimization/28632
        * tree-vrp.c (zero_nonzero_bits_from_vr): New function.
        (extract_range_from_binary_expr): Further optimize
        BIT_AND_EXPR and BIT_IOR_EXPR.

2010-07-09  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c (fold_or_predicates): New.
        (add_to_predicate_list): Call it.

2010-07-09  Richard Guenther  <rguenther@suse.de>

        PR middle-end/44890
        * tree-ssa-address.c (create_mem_ref_raw): Only build a MEM_REF
        if base is a pointer.
        * tree-cfg.c (verify_expr): Update MEM_REF checking.

2010-07-08  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/44877
        * config/rs6000/rs6000.c (rs6000_expand_builtin): Use
        POINTER_TYPE_P instead of checking only for POINTER_TYPE for the
        builtin mask for load/store builtins.

2010-07-09  Uros Bizjak  <ubizjak@gmail.com>

        * configure.ac (gcc_cv_as_ix86_rep_lock_prefix): Also check
        for "lock addl".
        * configure: Regenerate.
        * config/i386/i386.c (ix86_print_operand) <case ';'>:
        Remove TARGET_MACHO.

2010-07-09  Peter Bergner  <bergner@vnet.ibm.com>

        * config/rs6000/rs6000.c (rs6000_override_options): Fix setting of
        default ISA flags.
        * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mvsx.

2010-07-09  Tom de Vries  <tjvries@xs4all.nl>

        * tree.c (type_hash_if_marked_p): Removed non-ggc_marked_p clause.

2010-07-09  Hariharan Sandanagobalane  <hariharan@picochip.com>

        * config/picochip/picochip.md (commsTestPort): Emit more
        efficient sequence for tstport instruction.

2010-07-09  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_veclib_handler): Make static.

2010-07-09  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44852
        * tree-ssa-alias.c: Include toplev.h for exact_log2.
        (indirect_ref_may_alias_decl_p): Properly handle negative offsets
        in MEM_REF.
        (indirect_refs_may_alias_p): Likewise.
        * Makefile.in (tree-ssa-alias.o): Add $(TOPLEV_H).

2010-07-09  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44882
        * tree-vect-stmts.c (vectorizable_store): Do not assert alias
        sets do conflict.
        (vectorizable_load): Likewise.

2010-07-09  Bernd Schmidt  <bernds@codesourcery.com>

        PR target/40657
        * config/arm/arm.c (thumb1_extra_regs_pushed): New arg FOR_PROLOGUE.
        All callers changed.
        Handle the case when we're called for the epilogue.
        (thumb_unexpanded_epilogue): Use it.
        (thumb1_expand_epilogue): Likewise.

2010-07-09  Jakub Jelinek  <jakub@redhat.com>

        * tree-vrp.c (extract_range_from_binary_expr) <BIT_AND_EXPR>: If
        both ranges are range_int_cst_p with non-negative minimum,
        try harder to derive smaller range.

2010-07-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * genrecog.c: Include diagnostic-core.h before toplev.h.
        * genoutput.c: Likewise.
        * genextract.c: Likewise.
        * genautomata.c: Likewise.
        * genemit.c: Likewise.
        * genpeep.c: Likewise.
        * genattrtab.c: Likewise.
        * genconditions.c: Likewise.
        * genpreds.c: Likewise.

2010-07-08  Andi Kleen  <ak@linux.intel.com>

        * lto-section-in.c (lto_section_name): Add missing comma.

2010-07-08  Anatoly Sokolov  <aesok@post.ru>

        * config/ia64/ia64.h (OVERRIDE_OPTIONS): Remove macros.
        * config/ia64/ia64-protos.h (ia64_override_options): Remove.
        * config/ia64/ia64.c (TARGET_OPTION_OVERRIDE): Define.
        (ia64_override_options): Rename to...
        (ia64_option_override): ... this one. Make static.

2010-07-08  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/44843
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not rely on the
        pointed-to type of the offset in a MEM_REF to compute the alignment.

2010-07-08  Kai Tietz  <kai.tietz@onevision.com>

        * final.c (final_scan_insn): Replace
        TARGET_UNWIND_INFO macro check by unwind_emit
        hook NULL check.
        * targhooks.c (default_unwind_emit): Removed.
        * targhooks.h (default_unwind_emit): Likewise.
        * target.def (unwind_emit): Set default value to NULL.

        * config/i386/i386-protos.h (ix86_asm_output_function_label):
        New prototype.
        * config/i386/i386.c (ix86_function_ms_hook_prologue): Check
        for NULL fntype argument and allow 64-bit targets.
        (ix86_asm_output_function_label): New function.
        (ix86_expand_prologue): Handle 64-bit ms hook prologue.
        (ix86_handle_fndecl_attribute): Likewise.
        * doc/extend.texi (ms_hook_prologue): Adjust documentation.
        * doc/doc/tm.texi: Regenerated.
        * doc/doc/doc/tm.texi.in (ASM_OUTPUT_FUNCTION_LABEL): New.
        (ASM_DECLARE_FUNCTION_NAME): Adjust documentation.
        * defaults.h (ASM_OUTPUT_FUNCTION_LABEL): New macro.
        * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Use
        ASM_OUTPUT_FUNCTION_LABEL instead of ASM_OUTPUT_LABEL.
        * config/elfos.h: Likewise.
        * config/i386/cygming.h: Likewise.
        * config/netbsd-aout.h: Likewise.
        * config/openbsd.h: Likewise.
        * config/i386/i386.h (ASM_OUTPUT_FUNCTION_LABEL): Override
        by ix86_asm_output_function_label function call.
        * varasm.c (assemble_start_function): Use
        ASM_OUTPUT_FUNCTION_LABEL instead of ASM_OUTPUT_LABEL.

2010-07-08  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_will_be_removed_from_program_if_no_direct_calls):
        New function.
        * cgraph.h (cgraph_will_be_removed_from_program_if_no_direct_calls):
        Declare.
        * ipa-cp.c (ipcp_estimate_growth): Use it.
        * ipa-inline.c (cgraph_estimate_growth, cgraph_decide_inlining):
        Likewise.

2010-07-08  Jan Hubicka  <jh@suse.cz>

        * tree-inline.c (declare_return_variable): Allocate annotation for new
        temporary.

2010-07-08  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/44710
        * tree-if-conv.c (parse_predicate): New.
        (add_to_predicate_list): Call it, call maybe_fold_or_comparisons.
        Make sure that the predicates are either SSA_NAMEs or gimple_condexpr.

2010-07-08  Sebastian Pop  <sebastian.pop@amd.com>

        * common.opt (ftree-loop-if-convert): New flag.
        * doc/invoke.texi (ftree-loop-if-convert): Documented.
        * tree-if-conv.c (gate_tree_if_conversion): Enable if-conversion
        when flag_tree_loop_if_convert is set.

2010-07-08  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c: Use short syntax for function calls
        through function pointers.
        * config/i386/i386.md: Ditto.

2010-07-08  Eric Botcazou  <ebotcazou@adacore.com>

        * emit-rtl.c (set_mem_attributes_minus_bitpos): Fix formatting issues.

2010-07-08  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address): Fix
        stmt check for POINTER_PLUS_EXPRs, fix the pointer assignment.

2010-07-08  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (mem_loc_descriptor): Use DW_OP_const[48]u
        instead of DW_OP_addr for DW_OP_GNU_push_tls_address operand.
        (loc_list_from_tree): Likewise.
        (output_loc_operands): Handle outputting DW_OP_const[48]u
        with loc->dtprel set.
        (resolve_addr_in_expr): Handle loc->dtprel like DW_OP_addr.

2010-07-08  Jan Hubicka  <jh@suse.cz>

        * ipa.c: Include pointer-set.h
        (cgraph_externally_visible_p): New attribute ALIASED;
        when in LTO, hidden symbols are local unless they are aliased.
        (function_and_variable_visibility): Compute aliased nodes;
        handle LTO and hidden symbol on functions and vars.
        * cgraph.c (cgraph_make_decl_local): Clear NAMED_SECTION
        for COMDAT symbols; handle COMDAT_GROUPS also at vars.

2010-07-08  Eric Botcazou  <ebotcazou@adacore.com>

        * config/i386/cygming.h (STACK_CHECK_STATIC_BUILTIN): Define to 1.
        * config/i386/freebsd.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
        * config/i386/linux.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
        * config/i386/linux64.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
        * config/i386/sol2.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
        * config/i386/i386.c (ix86_gen_adjust_stack_and_probe): New variable.
        (ix86_gen_probe_stack_range): Likewise.
        (override_options): Set them.
        (ix86_target_stack_probe): New function.
        (ix86_compute_frame_layout): Force use of push instructions to
        save registers if stack checking with probes is enabled.
        (get_scratch_register_on_entry): New function.
        (release_scratch_register_on_entry): Likewise.
        (ix86_adjust_stack_and_probe): Likewise.
        (output_adjust_stack_and_probe): Likewise.
        (ix86_emit_probe_stack_range): Likewise.
        (output_probe_stack_range): Likewise.
        (ix86_expand_prologue): Emit stack checking code if static built-in
        stack checking is enabled.
        Test ix86_target_stack_probe instead of TARGET_STACK_PROBE.
        * config/i386/i386-protos.h (ix86_target_stack_probe): Declare.
        (output_adjust_stack_and_probe): Likewise.
        (output_probe_stack_range): Likewise.
        * config/i386/i386.md (UNSPECV_PROBE_STACK_RANGE): New constant.
        (allocate_stack_worker_32): Test ix86_target_stack_probe instead of
        TARGET_STACK_PROBE.
        (allocate_stack_worker_64): Likewise.
        (allocate_stack): Likewise.
        (adjust_stack_and_probe): New insn.
        (probe_stack_range): Likewise.

2010-07-08  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44831
        * tree-ssa-phiprop.c (phiprop_insert_phi): Properly build
        a MEM_REF preserving TBAA info of the original dereference.
        Dereference the original pointer if the address is not invariant.
        (propagate_with_phi): Fixup type checks wrt MEM_REFs.  Require
        at least one invariant address that we are going to dereference.

2010-07-08  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44861
        * tree-vect-stmts.c (vectorizable_store): Preserve TBAA
        information when building MEM_REFs.
        (vectorizable_load): Likewise.
        * tree-vect-data-refs.c (vect_setup_realignment): Likewise.

2010-07-08  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sol2-c.c: Do not include diagnostic-core.h.

2010-07-08  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        PR bootstrap/44768
        * cfgexpand.c (estimated_stack_frame_size): Make self-contained
        with respect to current_function_decl. Pass decl of the function.
        * tree-inline.h (estimated_stack_frame_size): Adjust prototype.
        * ipa-inline.c (compute_inline_parameters): Pass decl to
        estimated_stack_frame_size.

2010-07-08  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address):
        New function.
        (valueize_refs): Call it.

2010-07-08  Richard Guenther  <rguenther@suse.de>

        PR rtl-optimization/44838
        * tree-ssa-alias.c (indirect_refs_may_alias_p): When not in
        SSA form do not use pointer equivalence.

2010-07-08  Eric Botcazou  <ebotcazou@adacore.com>

        * dwarf2out.c (AT_linkage_name): Delete.
        (add_linkage_attr): New function.
        (add_linkage_name): Call it to emit the linkage attribute.
        (dwarf2out_finish): Likewise.
        (move_linkage_attr): Explicitly accept both attribute variants.

2010-07-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * toplev.h: Do not include diagnostic-core.h.
        Include diagnostic-core.h in every file that includes toplev.h.
        * c-tree.h: Do not include toplev.h.
        * pretty-print.h: Update comment.
        * Makefile.in: Update dependencies.
        * alias.c: Include diagnostic-core.h in every file that includes
        toplev.h.
        * attribs.c: Likewise.
        * auto-inc-dec.c: Likewise.
        * bb-reorder.c: Likewise.
        * bt-load.c: Likewise.
        * caller-save.c: Likewise.
        * calls.c: Likewise.
        * cfg.c: Likewise.
        * cfganal.c: Likewise.
        * cfgbuild.c: Likewise.
        * cfgcleanup.c: Likewise.
        * cfghooks.c: Likewise.
        * cfgloop.c: Likewise.
        * combine.c: Likewise.
        * config/alpha/alpha.c: Likewise.
        * config/arc/arc.c: Likewise.
        * config/arm/arm.c: Likewise.
        * config/arm/pe.c: Likewise.
        * config/avr/avr.c: Likewise.
        * config/bfin/bfin.c: Likewise.
        * config/cris/cris.c: Likewise.
        * config/crx/crx.c: Likewise.
        * config/darwin-c.c: Likewise.
        * config/darwin.c: Likewise.
        * config/fr30/fr30.c: Likewise.
        * config/frv/frv.c: Likewise.
        * config/h8300/h8300.c: Likewise.
        * config/host-darwin.c: Likewise.
        * config/i386/i386.c: Likewise.
        * config/i386/netware.c: Likewise.
        * config/i386/nwld.c: Likewise.
        * config/i386/winnt-cxx.c: Likewise.
        * config/i386/winnt-stubs.c: Likewise.
        * config/i386/winnt.c: Likewise.
        * config/ia64/ia64-c.c: Likewise.
        * config/ia64/ia64.c: Likewise.
        * config/iq2000/iq2000.c: Likewise.
        * config/lm32/lm32.c: Likewise.
        * config/m32c/m32c-pragma.c: Likewise.
        * config/m32c/m32c.c: Likewise.
        * config/m32r/m32r.c: Likewise.
        * config/m68hc11/m68hc11.c: Likewise.
        * config/m68k/m68k.c: Likewise.
        * config/mcore/mcore.c: Likewise.
        * config/mep/mep-pragma.c: Likewise.
        * config/mep/mep.c: Likewise.
        * config/mmix/mmix.c: Likewise.
        * config/mn10300/mn10300.c: Likewise.
        * config/moxie/moxie.c: Likewise.
        * config/pa/pa.c: Likewise.
        * config/pdp11/pdp11.c: Likewise.
        * config/picochip/picochip.c: Likewise.
        * config/rs6000/rs6000-c.c: Likewise.
        * config/rs6000/rs6000.c: Likewise.
        * config/rx/rx.c: Likewise.
        * config/s390/s390.c: Likewise.
        * config/score/score.c: Likewise.
        * config/score/score3.c: Likewise.
        * config/score/score7.c: Likewise.
        * config/sh/sh.c: Likewise.
        * config/sh/symbian-base.c: Likewise.
        * config/sh/symbian-c.c: Likewise.
        * config/sh/symbian-cxx.c: Likewise.
        * config/sol2-c.c: Likewise.
        * config/sol2.c: Likewise.
        * config/sparc/sparc.c: Likewise.
        * config/spu/spu.c: Likewise.
        * config/stormy16/stormy16.c: Likewise.
        * config/v850/v850-c.c: Likewise.
        * config/v850/v850.c: Likewise.
        * config/vax/vax.c: Likewise.
        * config/vxworks.c: Likewise.
        * config/xtensa/xtensa.c: Likewise.
        * convert.c: Likewise.
        * cse.c: Likewise.
        * cselib.c: Likewise.
        * dbgcnt.c: Likewise.
        * dbxout.c: Likewise.
        * ddg.c: Likewise.
        * dominance.c: Likewise.
        * emit-rtl.c: Likewise.
        * explow.c: Likewise.
        * expmed.c: Likewise.
        * fixed-value.c: Likewise.
        * fold-const.c: Likewise.
        * fwprop.c: Likewise.
        * gcse.c: Likewise.
        * ggc-common.c: Likewise.
        * ggc-page.c: Likewise.
        * ggc-zone.c: Likewise.
        * gimple-low.c: Likewise.
        * gimplify.c: Likewise.
        * graph.c: Likewise.
        * haifa-sched.c: Likewise.
        * ifcvt.c: Likewise.
        * implicit-zee.c: Likewise.
        * integrate.c: Likewise.
        * ira-build.c: Likewise.
        * ira-color.c: Likewise.
        * ira-conflicts.c: Likewise.
        * ira-costs.c: Likewise.
        * ira-lives.c: Likewise.
        * ira.c: Likewise.
        * lists.c: Likewise.
        * loop-doloop.c: Likewise.
        * loop-iv.c: Likewise.
        * lto-opts.c: Likewise.
        * lto-symtab.c: Likewise.
        * main.c: Likewise.
        * modulo-sched.c: Likewise.
        * optabs.c: Likewise.
        * params.c: Likewise.
        * plugin.c: Likewise.
        * postreload-gcse.c: Likewise.
        * postreload.c: Likewise.
        * predict.c: Likewise.
        * profile.c: Likewise.
        * real.c: Likewise.
        * regcprop.c: Likewise.
        * reginfo.c: Likewise.
        * regmove.c: Likewise.
        * reorg.c: Likewise.
        * resource.c: Likewise.
        * rtl.c: Likewise.
        * rtlanal.c: Likewise.
        * sched-deps.c: Likewise.
        * sched-ebb.c: Likewise.
        * sched-rgn.c: Likewise.
        * sdbout.c: Likewise.
        * sel-sched-dump.c: Likewise.
        * sel-sched-ir.c: Likewise.
        * simplify-rtx.c: Likewise.
        * stmt.c: Likewise.
        * stor-layout.c: Likewise.
        * store-motion.c: Likewise.
        * targhooks.c: Likewise.
        * tree-cfg.c: Likewise.
        * tree-cfgcleanup.c: Likewise.
        * tree-dump.c: Likewise.
        * tree-eh.c: Likewise.
        * tree-inline.c: Likewise.
        * tree-nomudflap.c: Likewise.
        * tree-object-size.c: Likewise.
        * tree-optimize.c: Likewise.
        * tree-outof-ssa.c: Likewise.
        * tree-phinodes.c: Likewise.
        * tree-profile.c: Likewise.
        * tree-ssa-ccp.c: Likewise.
        * tree-ssa-coalesce.c: Likewise.
        * tree-ssa-live.c: Likewise.
        * tree-ssa-loop-niter.c: Likewise.
        * tree-ssa-loop-prefetch.c: Likewise.
        * tree-ssa-loop.c: Likewise.
        * tree-ssa-structalias.c: Likewise.
        * tree-ssa-uninit.c: Likewise.
        * tree-ssa.c: Likewise.
        * tree-vect-data-refs.c: Likewise.
        * tree-vect-loop-manip.c: Likewise.
        * tree-vect-loop.c: Likewise.
        * tree-vect-patterns.c: Likewise.
        * tree-vect-stmts.c: Likewise.
        * tree-vrp.c: Likewise.
        * varasm.c: Likewise.
        * vec.c: Likewise.
        * web.c: Likewise.
        * xcoffout.c: Likewise.

2010-07-07  Richard Sandiford  <rdsandiford@googlemail.com>

        * gengtype.c (write_field_root): New function.
        (write_root): Use it.

2010-07-07  Wei Guozhi  <carrot@google.com>

        * config/arm/thumb2.md (peephole2 to convert zero_extract/compare
        of lowest bits to lshift/compare): Add a missing line.

2010-07-07  Wei Guozhi  <carrot@google.com>

        * config/arm/thumb2.md (peephole2 to convert zero_extract/compare
        of lowest bits to lshift/compare): New.

2010-07-07  Tom Tromey  <tromey@redhat.com>

        * doc/tm.texi: Update.
        * doc/tm.texi.in (SDB and DWARF) <TARGET_WANT_DEBUG_PUB_SECTIONS>:
        Add @hook.
        * target.def (want_debug_pub_sections): New hook.
        * config/darwin.h (TARGET_WANT_DEBUG_PUB_SECTIONS): Define.
        * dwarf2out.c (add_pubname_string): Check
        targetm.want_debug_pub_sections.
        (add_pubname): Likewise.
        (add_pubtype): Likewise.

2010-07-07  Jie Zhang  <jie@codesourcery.com>

        * genautomata.c (output_automata_list_min_issue_delay_code):
        Correctly decompress min_issue_delay.

2010-07-07  Bernd Schmidt  <bernds@codesourcery.com>

        PR rtl-optimization/44404
        * auto-inc-dec.c (find_inc): Avoid calling count_occurrences if
        possible, use reg_overlap_mentioned_p instead.

2010-07-07  Duncan Sands  <baldrick@free.fr>

        PR middle-end/41355
        * tree.c (build_function_type_skip_args): Copy the original type using
        build_distinct_type_copy rather than copy_node.

2010-07-07  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/44850
        * config/i386/i386.c (ix86_function_ms_hook_prologue): Revert
        revision 161876.
        (ix86_expand_prologue): Likewise.
        (ix86_handle_fndecl_attribute): Likewise.
        (ix86_asm_declare_function_name): Likewise.
        * config/i386/i386.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
        * config/i386/cygming.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
        (SUBTARGET_ASM_DECLARE_FUNCTION_NAME): Likewise.
        * config/i386/i386-protos.h (ix86_asm_declare_function_name): Likewise.
        * doc/extend.texi: Likewise.

2010-07-07  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/44844
        * config/i386/i386.md (rdrand<mode>): Changed to expand to
        retry if the carry flag isn't valid.
        (rdrand<mode>_1): New.

2010-07-07  Richard Guenther  <rguenther@suse.de>

        PR middle-end/44790
        * expr.c (expand_expr_real_1): Go the POINTER_PLUS_EXPR path
        for expanding the constant offset for MEM_REFs.

2010-07-07  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-propagate.h (valid_gimple_call_p): Remove.
        * tree-ssa-propagate.c (valid_gimple_call_p): Make static.  Fix.
        * gimple.h (is_gimple_operand): Remove.
        * gimple.c (is_gimple_operand): Likewise.
        (walk_gimple_op): Fix wi->val_only setting for calls.
        * tree-cfg.c (verify_gimple_call): Fix argument validation.
        * tree-profile.c (tree_gen_ic_func_profiler): Do not create
        invalid gimple calls.

2010-07-06  Jan Hubicka  <jh@suse.cz>

        * lto-cgraph.c (output_cgraph): Add missing declaration.

2010-07-06  Jan Hubicka  <jh@suse.cz>

        * lto-cgraph.c (output_cgraph): Output toplevel asms only into first
        partition.

2010-07-06  Alexandre Oliva  <aoliva@redhat.com>

        * doc/gimple.texi (GIMPLE_DEBUG): Document.
        * doc/rtl.texi (Debug Information): New node.
        (NOTE_INSN_VAR_LOCATION): Document.
        (debug_insn): Likewise.
        * doc/generic.texi (DEBUG_EXPR_DECL): Document.

2010-07-07  Jan Hubicka  <jh@suse.cz>

        With parts by Richard Guenther.

        PR middle-end/44813
        * tree-ssa-uninit.c (ssa_undefined_value_p): Result decl is defined
        for functions passed by reference.
        * tree.c (needs_to_live_in_memory): RESULT_DECL don't need to live
        in memory when passed by reference.
        * tree-ssa-ccp.c (get_default_value): Only VAR_DECL is undefined at
        beggining.
        * ipa-split.c (split_function): Cleanup way return value is passed;
        handle SSA DECL_BY_REFERENCE retvals.
        * tree-ssa.c (verify_def): Verify that RESULT_DECL is read only when
        DECL_BY_REFERENCE is set.
        * tree-ssa-structalias.c (get_constraint_for_ssa_var, get_fi_for_callee,
        find_what_p_points_to): Handle RESULT_DECL.
        * tree-inline.c (declare_return_variable): Get new entry_block argument;
        when passing by reference ensure that RESULT_DECL is gimple_val.
        (remap_gimple_op_r): Remap RESULT_DECL ssa name.
        (remap_gimple_stmt): Handle SSA DECL_BY_REFERENCE returns.

2010-07-07  Bernd Schmidt  <bernds@codesourcery.com>

        PR rtl-optimization/44787
        * config/arm/arm.md (arith_shiftsi): Allow stack pointer in operand 2.
        * config/arm/thumb2.md (thumb2_arith_shiftsi): Likewise.

2010-07-06  Jan Hubicka  <jh@suse.cz>

        * lto-symtab.c (lto_cgraph_replace_node): Handle aliases.
        (lto_symtab_resolve_can_prevail_p): Also alias of cgraph node
        with body can prevail.
        (lto_symtab_resolve_symbols): Use cgraph_get_node_or_alias.
        (lto_symtab_merge_cgraph_nodes_1): Do not remove nodes from aliases.
        * cgraph.c (cgraph_get_node_or_alias): New function.
        * cgraph.h (cgraph_get_node_or_alias): Declare.

2010-07-06  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/i386.c (ix86_function_ms_hook_prologue): Enable x64
        support.
        (ix86_expand_prologue): Likewise.
        (ix86_handle_fndecl_attribute): Likewise.
        (ix86_asm_declare_function_name): New function for
        ASM_DECLARE_FUNCTION_NAME.
        * config/i386/i386.h (ASM_DECLARE_FUNCTION_NAME): New macro.
        * config/i386/cygming.h (ASM_DECLARE_FUNCTION_NAME): Removed.
        (SUBTARGET_ASM_DECLARE_FUNCTION_NAME): New macro.
        * config/i386/i386-protos.h (ix86_asm_declare_function_name): New.
        * doc/extend.texi: Adjust documentation about ms_hook_prologue
        attribute.

2010-07-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (immediate_operand): New mode attribute.

        (pro_epilogue_adjust_stack_<mode>_1): Macroize insn from
        pro_epilogue_adjust_stack  and pro_epilogue_adjust_stack_rex64
        using P mode iterator.
        (pro_epilogue_adjust_stack_di_2): Rename from
        pro_epilogue_adjust_stack_rex64_2.

        * config/i386/i386.c (pro_epilogue_adjust_stack): Update for rename.

2010-07-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (insv): Call gen_movdi_insv1 or gen_movsi_insv1
        through gen_mov_insv_1 function pointer.
        (fmod<mode>3): Call gen_truncxf<mode>2_i387_noop_unspec or
        gen_truncxf<mode>2 through gen_truncxf function pointer.
        (remainder<mode>3): Ditto.
        (cmpstrnsi): Rename cmp_insn function pointer to gen_cmp.
        (allocate_stack): Call gen_allocate_stack_worker_64 or
        gen_allocate_stack_worker_32 through gen_allocate_stack_worker
        function pointer.
        (probe_stack): Call gen_iordi3 or gen_iorsi3 through gen_ior3
        function pointer.

2010-07-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*add<mode>3_cconly_overflow): Use <g>
        operand constraint instead of <r><i>m.

2010-07-06  Richard Guenther  <rguenther@suse.de>

        PR middle-end/44828
        * convert.c (convert_to_integer): Watch out for overflowing
        MULT_EXPR as well.

2010-07-05  Jan Hubicka  <jh@suse.cz>

        * lto-streamer.c (write_symbol_vec): Rename to ...
        (write_symbol) ... this one; write only symbol given and when
        present in cache. Sanity check that what is defined is present
        in cgraph/varpool with body/finalized decl.
        (write_symbols_of_kind): Remove.
        (produce_symtab): Take outputblock and sets; use cgraph/varpool/alias
        pairs to produce symtab.
        (produce_asm_for_decls): Update call of produce_symtab; don't do so
        when doing WPA streaming.

2010-07-05  Jan Hubicka  <jh@suse.cz>

        * gimple-fold.c (gimple_fold_obj_type_ref_known_binfo): Check that
        function is still available to fold into.

2010-07-05  Nathan Froyd  <froydnj@codesourcery.com>

        * vec.h (FOR_EACH_VEC_ELT_REVERSE): New macro.
        * function.h (struct_function): Change type of local_decls field
        to a VEC.
        (add_local_decl): New function.
        (FOR_EACH_LOCAL_DECL): New macro.
        * cfgexpand.c (init_vars_expansion): Adjust for new type of
        cfun->local_decls.
        (estimated_stack_frame_size): Likewise.
        (expand_used_vars): Likewise.
        * cgraphbuild.c (build_cgraph_edges): Likewise.
        * function.c (instantiate_decls_1): Likewise.
        * ipa-struct-reorg.c (build_data_structure): Likewise.
        * ipa-type-escape.c (analyze_function): Likewise.
        * lto-streamer-in.c (input_function): Likewise.
        * lto-streamer-out.c (output_function): Likewise.
        * tree-ssa-live.c (remove_unused_locals): Likewise.
        * tree.c (free_lang_data_in_decl): Likewise.
        (find_decls_types_in_node): Likewise.
        * omp-low.c (remove_exit_barrier): Likewise.
        (expand_omp_taskreg): Likewise.
        (list2chain): Rename to...
        (vec2chain): ...this.  Adjust.
        * cgraphunit.c (assemble_thunk): Call add_local_decl.
        * tree-cfg.c (replace_by_duplicate_decl): Likewise.
        * gimple-low.c (record_vars_into): Likewise.
        * tree-inline.c (remap_decls): Likewise.
        (declare_return_variable): Likewise.
        (declare_inline_vars): Likewise.
        (copy_forbidden): Adjust for new type of cfun->local_decls.
        (add_local_variables): New function.
        (expand_call_inline): Call it.
        (tree_function_versioning): Likewise.

2010-07-05  H.J. Lu  <hongjiu.lu@intel.com>

        AVX Programming Reference (June, 2010)
        * config/i386/cpuid.h (bit_F16C): New.
        (bit_RDRND): Likewise.
        (bit_FSGSBASE): Likewise.

        * config/i386/i386-builtin-types.def: Add
        "DEF_FUNCTION_TYPE (UINT16)", function types for
        float16 <-> float conversions and
        "DEF_FUNCTION_TYPE (VOID, UINT64)".

        * config/i386/i386-c.c (ix86_target_macros_internal): Support
        OPTION_MASK_ISA_FSGSBASE, OPTION_MASK_ISA_RDRND and
        OPTION_MASK_ISA_F16C.

        * config/i386/i386.c (OPTION_MASK_ISA_FSGSBASE_SET): New.
        (OPTION_MASK_ISA_RDRND_SET): Likewise.
        (OPTION_MASK_ISA_F16C_SET): Likewise.
        (OPTION_MASK_ISA_FSGSBASE_UNSET): Likewise.
        (OPTION_MASK_ISA_RDRND_UNSET): Likewise.
        (OPTION_MASK_ISA_F16C_UNSET): Likewise.
        (OPTION_MASK_ISA_AVX_UNSET): Add OPTION_MASK_ISA_F16C_UNSET.
        (ix86_handle_option): Handle OPT_mfsgsbase, OPT_mrdrnd and OPT_mf16c.
        (ix86_target_string): Support -mfsgsbase, -mrdrnd and -mf16c.
        (pta_flags): Add PTA_FSGSBASE, PTA_RDRND and PTA_F16C.
        (override_options): Handle them.
        (ix86_valid_target_attribute_inner_p): Handle fsgsbase, rdrnd and f16c.
        (ix86_builtins): Add IX86_BUILTIN_RDFSBASE32,
        IX86_BUILTIN_RDFSBASE64, IX86_BUILTIN_RDGSBASE32,
        IX86_BUILTIN_RDGSBASE64, IX86_BUILTIN_WRFSBASE32,
        IX86_BUILTIN_WRFSBASE64, IX86_BUILTIN_WRGSBASE32,
        IX86_BUILTIN_WRGSBASE64, IX86_BUILTIN_RDRAND16,
        IX86_BUILTIN_RDRAND32, IX86_BUILTIN_RDRAND64,
        IX86_BUILTIN_CVTPH2PS, IX86_BUILTIN_CVTPH2PS256,
        IX86_BUILTIN_CVTPS2PH and IX86_BUILTIN_CVTPS2PH256.
        (bdesc_args): Likewise.
        (ix86_expand_args_builtin): Handle V8SF_FTYPE_V8HI,
        V4SF_FTYPE_V8HI, V8HI_FTYPE_V8SF_INT and V8HI_FTYPE_V4SF_INT.
        (ix86_expand_special_args_builtin): Handle VOID_FTYPE_UINT64,
        VOID_FTYPE_UNSIGNED, UNSIGNED_FTYPE_VOID and UINT16_FTYPE_VOID.
        Handle non-memory store.

        * config/i386/i386.h (TARGET_FSGSBASE): New.
        (TARGET_RDRND): Likewise.
        (TARGET_F12C): Likewise.

        * config/i386/i386.md (UNSPEC_VCVTPH2PS): New.
        (UNSPEC_VCVTPS2PH): Likewise.
        (UNSPECV_RDFSBASE): Likewise.
        (UNSPECV_RDGSBASE): Likewise.
        (UNSPECV_WRFSBASE): Likewise.
        (UNSPECV_WRGSBASE): Likewise.
        (UNSPECV_RDRAND): Likewise.
        (rdfsbase<mode>): Likewise.
        (rdgsbase<mode>): Likewise.
        (wrfsbase<mode>): Likewise.
        (wrgsbase<mode>): Likewise.
        (rdrand<mode>): Likewise.

        * config/i386/i386.opt: Add -mfsgsbase, -mrdrnd and -mf16c.

        * config/i386/immintrin.h (_rdrand_u16): New.
        (_rdrand_u32): Likewise.
        (_readfsbase_u32): Likewise.
        (_readfsbase_u64): Likewise.
        (_readgsbase_u32): Likewise.
        (_readgsbase_u64): Likewise.
        (_writefsbase_u32): Likewise.
        (_writefsbase_u64): Likewise.
        (_writegsbase_u32): Likewise.
        (_writegsbase_u64): Likewise.
        (_rdrand_u64): Likewise.
        (_cvtsh_ss): Likewise.
        (_mm_cvtph_ps): Likewise.
        (_mm256_cvtph_ps): Likewise.
        (_cvtss_sh): Likewise.
        (_mm_cvtps_ph): Likewise.
        (_mm256_cvtps_ph): Likewise.

        * config/i386/sse.md (vcvtph2ps): New.
        (*vcvtph2ps_load): Likewise.
        (vcvtph2ps256): Likewise.
        (vcvtps2ph): Likewise.
        (*vcvtps2ph): Likewise.
        (*vcvtps2ph_store): Likewise.
        (vcvtps2ph256): Likewise.

        * doc/extend.texi: Document FSGSBASE and RDRND built-in functions.

        * doc/invoke.texi: Document -mfsgsbase, -mrdrnd and -mf16c.

2010-07-05  Joern Rennecke  <joern.rennecke@embecosm.com>

        PR bootstrap/44512
        * genenums.c (main): Output include of insn-constants.h
        * Makefile.in (insn-enums.o): Depend on insn-constants.h.

2010-07-05  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_gen_allocate_stack_worker): New.
        (override_options): Initialize it.
        (ix86_expand_prologue): Use it.

2010-07-05  Jakub Jelinek  <jakub@redhat.com>

        * tree-nrv.c (tree_nrv): Set DECL_VALUE_EXPR on found to result.

2010-07-05  Anatoly Sokolov  <aesok@post.ru>

        * double-int.h (fit_double_type): Remove declaration.
        * double-int.c (fit_double_type): Remove function.
        * tree.h (int_fits_type_p): Adjust prototype.
        * tree.c (int_fits_type_p): Return bool. Use double_int_fits_to_tree_p
        instead of fit_double_type.
        (build_int_cst_type): Use double_int_to_tree and shwi_to_double_int
        instead of fit_double_type and build_int_cst_wide.
        * builtins.c (): Use double_int_fits_to_tree_p and double_int_to_tree
        instead of fit_double_type and build_int_cst_wide.
        (fold_builtin_object_size): Use double_int_fits_to_tree_p instead
        of fit_double_type.

2010-07-05  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (cgraph_node, cgraph_varpool_node): Update docmentation of
        in_other_partition.
        * lto-cgraph.c (referenced_from_other_partition_p,
        reachable_from_other_partition_p): Use in_other_partition flags.
        (output_node, output_varpool_node): COMDAT nodes always have private
        copies and thus are never used from other partition.

2010-07-05  Anatoly Sokolov  <aesok@post.ru>

        * config/ia64/ia64.h (MEMORY_MOVE_COST): Remove macro.
        * config/ia64/t-ia64 (ia64.o): Depend on reload.h.
        * config/ia64/ia64.c Include reload.h.
        (ia64_memory_move_cost): New function.
        (TARGET_MEMORY_MOVE_COST): Define.
        (ia64_register_move_cost): Replace MEMORY_MOVE_COST with
        memory_move_cost.

2010-07-05  Sandra Loosemore  <sandra@codesourcery.com>

        PR middle-end/42505
        * tree-ssa-loop-ivopts.c (determine_set_costs): Delete obsolete
        comments about cost model.
        (try_add_cand_for):  Add second strategy for choosing initial set
        based on original IVs, controlled by ORIGINALP argument.
        (get_initial_solution): Add ORIGINALP argument.
        (find_optimal_iv_set_1): New function, split from find_optimal_iv_set.
        (find_optimal_iv_set): Try two different strategies for choosing
        the IV set, and return the one with lower cost.

2010-07-05  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Copy alias info.

2010-07-05  Richard Guenther  <rguenther@suse.de>

        * tree.c (reference_alias_ptr_type): New function.
        * tree.h (reference_alias_ptr_type): Declare.
        * tree-ssa-loop-ivopts.c (copy_ref_info): Restructure to
        allow non-TARGET_MEM_REF new refs.
        (rewrite_use_address): Pass old alias pointer type to create_mem_ref.
        * tree-ssa-address.c (create_mem_ref_raw): Get alias pointer type.
        Build a MEM_REF instead of a TARGET_MEM_REF if possible.
        (create_mem_ref): Get alias pointer type.  Adjust calls to
        create_mem_ref_raw.
        (maybe_fold_tmr): Likewise.
        * tree-flow.h (create_mem_ref): Adjust prototype.

2010-07-05  Jakub Jelinek  <jakub@redhat.com>

        PR c++/44808
        * gimplify.c (gimplify_modify_expr): Only SET_DECL_DEBUG_EXPR if
        *from_p is VAR_DECL.

2010-07-05  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.h (build_call_list): Remove.
        * tree.c (build_call_list): Remove.

2010-07-05  Richard Guenther  <rguenther@suse.de>

        * double-int.h (double_int_sub): Declare.
        * double-int.c (double_int_sub): New function.
        * dwarf2out.c (field_byte_offset): Use it.
        * fixed-value.c (do_fixed_add): Likewise.
        (do_fixed_multiply): Likewise.
        (do_fixed_divide): Likewise.
        * tree-predcom.c (add_ref_to_chain): Likewise.
        (determine_roots_comp): Likewise.
        * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Likewise.

2010-07-05  Nathan Froyd  <froydnj@codesourcery.com>

        * vec.h (VEC_splice, VEC_safe_splice): New macros.  Add function
        implementations.

2010-07-05  Bernd Schmidt  <bernds@codesourcery.com>

        * config/arm/arm.c (get_arm_condition_code): Remove CC_NOTBmode case.
        * arm-modes.def (CC_NOTB): Don't define.
        * config/arm/arm.md (arm_adddi3): Generate canonical RTL.
        (adddi_sesidi_di, adddi_zesidi_di): Likewise.
        (LTUGEU): New code_iterator.
        (cnb, optab): New corresponding code_attrs.
        (addsi3_carryin_<optab>): Renamed from addsi3_carryin.  Change pattern
        to canonical form.  Operands 1 and 2 are commutative.  Parametrize
        using LTUGEU.
        (addsi3_carryin_shift_<optab>): Likewise.
        (addsi3_carryin_alt2_<optab>): Renamed from addsi3_carryin_alt2.
        Operands 1 and 2 are commutative.  Parametrize using LTUGEU.
        (addsi3_carryin_alt1, addsi3_carryin_alt3): Remove.
        (subsi3_compare): Renamed from subsi3_compare0_c.
        Change CC_NOTB to CC.
        (arm_subsi3_insn): Allow constants for operand 0.
        (compare_scc peephole for eq case): New.
        (compare_scc splitters): Change CC_NOTB to CC.

2010-07-05  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-loop-im.c (for_each_index): Do not handle
        ALIGN_INDIRECT_REF.
        (gen_lsm_tmp_name): Likewise.
        * tree-dump.c (dequeue_and_dump): Likewise.
        * tree-pretty-print.c (dump_generic_node): Likewise.
        (op_code_prio): Likewise.
        (op_symbol_code): Likewise.
        * tree.c (staticp): Likewise.
        (build1_stat): Likewise.
        * tree.h (INDIRECT_REF_P): Likewise.
        * fold-const.c (maybe_lvalue_p): Likewise.
        (operand_equal_p): Likewise.
        * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
        (ao_ref_init_from_vn_reference): Likewise.
        * tree-ssa-loop-ivopts.c (idx_find_step): Likewise.
        (find_interesting_uses_address): Likewise.
        * dwarf2out.c (loc_list_from_tree): Likewise.
        * gimplify.c (gimplify_expr): Likewise.
        * tree-eh.c (tree_could_trap_p): Likewise.
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
        * cfgexpand.c (expand_debug_expr): Likewise.
        * tree-ssa-pre.c (create_component_ref_by_pieces_1): Likewise.
        * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise.
        * tree-cfg.c (verify_types_in_gimple_min_lval): Likewise.
        * config/rs6000/rs6000 (rs6000_check_sdmode): Likewise.
        * tree-ssa-operands.c (get_expr_operands): Likewise.
        * expr.c (safe_from_p): Likewise.
        (expand_expr_real_1): Likewise.  TER BIT_AND_EXPRs into MEM_REFs.
        * tree-vect-data-refs.c (vect_setup_realignment): Build
        BIT_AND_EXPR and MEM_REF instead of ALIGN_INDIRECT_REF.
        * tree-vect-stmts.c (vectorizable_load): Likewise.
        * tree.def (ALIGN_INDIRECT_REF): Remove.

2010-07-05  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44784
        * tree-ssa-pre.c (bitmap_find_leader): Fix dominance check
        for inserted stmts.
        (find_or_generate_expression): Fix SCCVN insertion check.

2010-07-05  Nathan Sidwell  <nathan@codesourcery.com>

        * config/rs6000/e500crtsavg64gprctr.asm: Correct done label name.
        * config/rs6000/e500crtsav64gprctr.asm: Likewise.
        * config/rs6000/e500crtres64gprctr.asm: Likewise. Add FUNC_END
        directives.

2010-07-05  Ira Rosen  <irar@il.ibm.com>

        * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Skip
        statements that are not vectorized.
        * tree-vect-stmts.c (vect_get_load_cost): Update the value stored
        in INSIDE_COST.

2010-07-05  Mikael Pettersson  <mikpe@it.uu.se>

        PR bootstrap/44820
        * config/arm/arm.c (arm_attr_length_move_neon): Delete regno.

2010-07-05  Richard Guenther  <rguenther@suse.de>

        * tree-cfg.c (verify_gimple_return): Handle DECL_BY_REFERENCE
        RESULT_DECLs properly.

2010-07-04  H.J. Lu  <hongjiu.lu@intel.com>

        PR rtl-optimization/44695
        * config/i386/i386.md (extract_code): Removed.
        (<u>divmodqi4): Likewise.
        (divmodqi4): New.
        (udivmodqi4): Likewise.
        (divmodhiqi3): Change div/mod to HImode and extend operand 2 to HImode.
        (udivmodhiqi3): Likewise.

2010-07-04  Jan Hubicka  <jh@suse.cz>

        * lto-cgraph.c (input_edge): Do not care about resolution decisions.

2010-07-04  Jan Hubicka  <jh@suse.cz>

        * cgraphunit.c (init_cgraph): Only initialize dump file if it
        is not already initialized.

2010-07-04  Richard Sandiford  <rdsandiford@googlemail.com>

        * optabs.h (reload_in_optab, reload_out_optab, code_to_optab)
        (vcond_gen_code, vcondu_gen_code, movmem_optab, setmem_optab)
        (cmpstr_optab, cmpstrn_optab, cmpmem_optab, sync_add_optab)
        (sync_sub_optab, sync_ior_optab, sync_and_optab, sync_xor_optab)
        (sync_nand_optab, sync_old_add_optab, sync_old_sub_optab)
        (sync_old_ior_optab, sync_old_and_optab, sync_old_xor_optab)
        (sync_old_nand_optab, sync_new_add_optab, sync_new_sub_optab)
        (sync_new_ior_optab, sync_new_and_optab, sync_new_xor_optab)
        (sync_new_nand_optab): Redefine as macros.
        (sync_compare_and_swap, sync_lock_test_and_set, sync_lock_release):
        Delete.
        (direct_optab_index): New enum.
        (direct_optab_d): New structure.
        (direct_optab): New typedef.
        (direct_optab_table): Declare.
        (direct_optab_handler, set_direct_optab_handler): New functions.
        (sync_compare_and_swap_optab, sync_lock_test_and_set_optab)
        (sync_lock_release_optab): New macros.
        * optabs.c (direct_optab_table): New variable.
        (movcc_gen_code, vcond_gen_code, vcondu_gen_code): Delete.
        (prepare_cmp_insn): Use direct_optab_handler for cmpmem_optab,
        cmpstr_optab and cmpstrn_optab.
        (emit_conditional_move): Likewise for movcc_optab.
        (can_conditionally_move_p): Likewise for movcc_gen_code.
        (init_insn_codes): Clear direct_optab_table.
        (init_optabs): Don't initialize the new "direct optabs" here.
        (get_vcond_icode): Use direct_optab_handler for vcondu_gen_code and
        vcond_gen_code.
        (expand_val_compare_and_swap): Likewise sync_compare_and_swap_optab.
        (expand_bool_compare_and_swap): Likewise sync_compare_and_swap_optab.
        (expand_compare_and_swap_loop): Likewise sync_compare_and_swap_optab.
        (expand_sync_operation): Likewise other sync_*_optabs.
        (expand_sync_fetch_operation): Likewise.  Rename sync_compare_and_swap
        to sync_compare_and_swap_optab.
        (expand_sync_lock_test_and_set): Use direct_optab_handler for
        sync_lock_test_and_set and sync_compare_and_swap, adding "_optab"
        to the names of both.
        * builtins.c (expand_builtin_strcmp): Use direct_optab_handler for
        cmpstr_optab and cmpstrn_optab.
        (expand_builtin_lock_release): Likewise sync_lock_release.
        * expr.c (movmem_optab, setmem_optab, cmpstr_optab, cmpstrn_optab)
        (cmpmem_optab, sync_add_optab, sync_sub_optab, sync_ior_optab)
        (sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab)
        (sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab)
        (sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab)
        (sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab)
        (sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap)
        (sync_lock_test_and_set, sync_lock_release): Delete.
        (emit_block_move_via_movmem): Use direct_optab_handler for movmem_optab.
        (emit_block_move_via_setmem): Use direct_optab_handler for setmem_optab.
        * genopinit.c (optabs): Use set_direct_optab_handler for the new
        macro optabs.
        * omp-low.c (expand_omp_atomic_fetch_op): Update the type of
        the "optab" local variable.  Use direct_optab_handler for optab and
        sync_compare_and_swap_optab.
        * reload1.c (reload_in_optab, reload_out_optab): Delete.
        * targhooks.c (default_secondary_reload): Use direct_optab_handler for
        reload_in_optab and reload_out_optab.
        * config/alpha/alpha.c (alpha_secondary_reload): Likewise.
        * config/frv/frv.c (frv_alloc_temp_reg): Likewise.
        * config/pa/pa.c (pa_secondary_reload): Likewise.
        * java/builtins.c (compareAndSwapInt_builtin): Use direct_optab_handler
        for sync_compare_and_swap, renaming it to sync_compare_and_swap_optab.
        (compareAndSwapLong_builtin, compareAndSwapObject_builtin): Likewise.
        (VMSupportsCS8_builtin): Likewise.

2010-07-04  Richard Sandiford  <rdsandiford@googlemail.com>

        * optabs.h (optab_handlers): Change type of insn_code to int.
        (optab_handler, set_optab_handler, convert_optab_handler)
        (set_convert_optab_handler): Treat the insn_code field as "insn_code -
        CODE_FOR_nothing".
        * optabs.c (optab_table, convert_optab_table): Always zero-initialize.
        (init_insn_codes): Zero both the above arrays.
        (init_optabs): Never call init_insn_codes first time around.

2010-07-04  Richard Sandiford  <rdsandiford@googlemail.com>

        * optabs.h (optab_handler, convert_optab_handler): Turn into
        inline functions that return an insn code.
        (set_optab_handler, set_convert_optab_handler): New functions.
        * builtins.c: Replace optab_handler(X)->insn_code with
        optab_handler or set_optab_handler thoughout.  Likewise
        convert_optab_handler(X)->insn_code with convert_optab_handler
        and set_convert_optab_handler.
        * expmed.c, expr.c, genopinit.c, ifcvt.c, optabs.c, reload.c,
        reload1.c, stmt.c, targhooks.c, tree-ssa-loop-prefetch.c,
        tree-ssa-math-opts.c, tree-vect-data-refs.c, tree-vect-generic.c,
        tree-vect-loop.c, tree-vect-patterns.c, tree-vect-slp.c,
        tree-vect-stmts.c, config/m32c/m32c.c, config/rs6000/rs6000.c,
        config/spu/spu.c: Likewise.

2010-07-04  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/44531
        * config.gcc (sh*-*-*): Use regular expressions instead of
        the 'i' modifier for sed substitutions.

2010-07-04  Jeremie Salvucci  <jeremie.salvucci@free.fr>

        * gimple.c (gimple_body): Comments added.

2010-07-04  Richard Guenther  <rguenther@suse.de>

        PR middle-end/44809
        * gimplify.c (gimplify_expr): Properly build a MEM_REF instead
        of an INDIRECT_REF.

2010-07-04  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44479
        * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Avoid
        extra SSA name copy statements which preserves points-to
        information.
        * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
        Copy points-to information for all pointers.  Properly handle
        MEM_REFs.
        (vect_create_data_ref_ptr): Likewise.  Avoid extra SSA name
        copy statements.
        * Makefile.in (tree-ssa-loop-ivopts.o): Add tree-ssa-propagate.h
        dependency.

2010-07-04  Richard Guenther  <rguenther@suse.de>

        PR middle-end/44785
        * tree-inline.c (initialize_inlined_parameters): Do not
        re-use pointer-map slot over remap_type call.

2010-07-04  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.c (vn_reference_lookup_3): Fix last commit.

2010-07-04  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44656
        * tree-ssa-sccvn.c (vn_reference_lookup_3): Try disambiguation
        again after value-replacing in the defintions lhs.

2010-07-04  Ira Rosen  <irar@il.ibm.com>
            Revital Eres  <eres@il.ibm.com>

        * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST):
        Document new arguments.
        * doc/tm.texi: Regenerate.
        * targhooks.c (default_builtin_vectorization_cost): Add new arguments.
        Handle unaligned store.
        * targhooks.h (default_builtin_vectorization_cost): Add new arguments.
        * target.def (builtin_vectorization_cost): Add new arguments.
        * target.h (enum vect_cost_for_stmt): Add unaligned_store.
        * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Take number
        of iterations of prolog loop directly from LOOP_PEELING_FOR_ALIGNMENT.
        (vect_vfa_segment_size): Fix indentation.
        * tree-vectorizer.h (struct _vect_peel_info): New.
        (struct _vect_peel_extended_info): New.
        (struct _loop_vec_info): Add new field for peeling hash table and a
        macro for its access.
        (VECT_MAX_COST): Define.
        (vect_get_load_cost): Declare.
        (vect_get_store_cost, vect_get_known_peeling_cost,
        vect_get_single_scalar_iteraion_cost): Likewise.
        (vect_supportable_dr_alignment): Add new argument.
        * tree-vect-loop.c (new_loop_vec_info): Initialize peeling hash table
        field.
        (destroy_loop_vec_info): Free peeling hash table.
        (vect_analyze_loop_form): Update call to builtin_vectorization_cost.
        (vect_analyze_loop): Move vect_enhance_data_refs_alignment before
        vect_analyze_slp. Fix indentation.
        (vect_get_single_scalar_iteraion_cost): New function.
        (vect_get_known_peeling_cost): Likewise.
        (vect_estimate_min_profitable_iters): Rename byte_misalign to npeel.
        Call vect_get_single_scalar_iteraion_cost instead of cost_for_stmt per
        statement. Move outside cost calculation inside unknown peeling case.
        Call vect_get_known_peeling_cost for known amount of peeling.
        * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Add data
        reference to the print message of forced alignment.
        (vect_verify_datarefs_alignment): Update call to
        vect_supportable_dr_alignment.
        (vect_get_data_access_cost): New function.
        (vect_peeling_hash, vect_peeling_hash_eq, vect_peeling_hash_insert,
        vect_peeling_hash_get_most_frequent, vect_peeling_hash_get_lowest_cost,
        vect_peeling_hash_choose_best_peeling): Likewise.
        (vect_enhance_data_refs_alignment): Fix documentation. Use hash table
        to store all the accesses in the loop and find best possible access to
        align using peeling for known alignment case. For unknown alignment
        check if stores are preferred or if peeling is worthy.
        (vect_find_same_alignment_drs): Analyze pairs of loads too.
        (vect_supportable_dr_alignment): Add new argument and check aligned
        accesses according to it.
        * tree-vect-stmts.c (vect_get_stmt_cost): New function.
        (cost_for_stmt): Call vect_get_stmt_cost.
        (vect_model_simple_cost): Likewise.
        (vect_model_store_cost): Call vect_get_stmt_cost. Call
        vect_get_store_cost to calculate the cost of the statement.
        (vect_get_store_cost): New function.
        (vect_model_load_cost): Call vect_get_stmt_cost. Call
        vect_get_load_cost to calculate the cost of the statement.
        (vect_get_load_cost): New function.
        (vectorizable_store): Update call to vect_supportable_dr_alignment.
        (vectorizable_load): Likewise.
        * config/spu/spu.c (spu_builtin_vectorization_cost): Add new arguments.
        * config/i386/i386.c (ix86_builtin_vectorization_cost): Add new
        arguments. Handle unaligned store.
        * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): New.
        (rs6000_builtin_support_vector_misalignment): Return true for word and
        double word alignments for VSX.
        * tree-vect-slp.c (vect_build_slp_tree): Update calls to
        vect_supportable_dr_alignment and builtin_vectorization_cost.

2010-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/44597
        * config/pa/predicates.md (prefetch_cc_operand): Remove.
        (prefetch_nocc_operand): Likewise.
        * config/pa/pa.md (prefetch): Revise expander to use prefetch_20.
        (prefetch_20): New insn.
        (prefetch_cc): Remove.
        (prefetch_nocc): Likewise.

2010-07-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * expr.c (vector_mode_valid_p): Move to c-common.c.
        * expr.h (vector_mode_valid_p): Do not declare here.
        * system.h: Poison GCC_EXPR_H in front-ends.
        * Makefile.in: Update dependencies.

2010-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/44705
        * config/pa/pa.h (GO_IF_LEGITIMATE_ADDRESS): Reject LABEL_REF.

2010-07-03  Jan Hubicka  <jh@suse.cz>

        * timevar.def (TV_OUT_OF_SSA, TV_VAR_EXPAND, TV_POST_EXPAND,
        TV_VAR_TRACKING_DATAFLOW, TV_VAR_TRACKING_EMIT): New timevars.
        * cfgexpand.c (gimple_expand_cfg): Use new timevars.
        * var-tracking.c (vt_find_locations, variable_tracking_main_1):
        Likewise.

        * lto-stramer-out.c (pass_ipa_lto_gimple_out, pass_ipa_lto_finish_out):
        Update timevars.V
        * timevar.def (TV_IPA_LTO_GIMPLE_IO, TV_IPA_LTO_DECL_IO): Remove.
        (TV_IPA_LTO_GIMPLE_IN, TV_IPA_LTO_GIMPLE_OUT, TV_IPA_LTO_DECL_IN,
        TV_IPA_LTO_DECL_OUT): New.
        * lto.c (read_cgraph_and_symbols, materialize_cgraph): Update timevars.

2010-07-03  Jan Hubicka  <jh@suse.cz>

        * ipa-inline.c (update_edge_key): Break out from ...
        update_callers_keys): ... here;
        (update_callee_keys): Update only the edges from caller to callee.
        (update_all_calle_keys): Do what update_calle_keys did.
        (decide_inlining_of_small_functions): Avoid recomputing of all
        callees when badness increase.

2010-07-03  Jie Zhang  <jie@codesourcery.com>

        * config/arm/arm.c (arm_attr_length_move_neon): New.
        * config/arm/arm-protos.h (arm_attr_length_move_neon): Declare.
        * config/arm/neon.md (define_mode_attr V_slen): Remove.
        (neon_mov<mode> for VSTRUCT): Use arm_attr_length_move_neon
        to compute length attribute.

2010-07-03  Jie Zhang  <jie@codesourcery.com>

        * config/arm/vfp.md (*push_multi_vfp): Use vfp_register_operand
        as predicate for operand 1 and remove its constraint.
        * config/arm/predicates.md (vfp_register_operand): New.
        * config/arm/arm.md (*push_multi): Remove the constraint of operand 1.
        (*push_fp_multi): Likewise.

2010-07-03  Eric Botcazou  <ebotcazou@adacore.com>

        * gimplify.c (mostly_copy_tree_r): Deal with BIND_EXPR.

2010-07-03  Jan Hubicka  <jh@suse.cz>

        * config/i386/i386.c (override_options): Revert accidental commit.

2010-07-02  Le-Chun Wu  <lcwu@google.com>

        PR c++/44128
        * doc/invoke.texi: Update documentation of -Wshadow.

2010-07-02  Daniel Jacobowitz  <dan@codesourcery.com>
            Julian Brown  <julian@codesourcery.com>
            Sandra Loosemore  <sandra@codesourcery.com>

        * config/arm/arm.c (arm_canonicalize_comparison): Canonicalize DImode
        comparisons.  Adjust to take both operands.
        (arm_select_cc_mode): Handle DImode comparisons.
        (arm_gen_compare_reg): Generate a scratch register for DImode
        comparisons which require one.  Use xor for Thumb equality checks.
        (arm_const_double_by_immediates): New.
        (arm_print_operand): Allow 'Q' and 'R' for constants.
        (get_arm_condition_code): Handle new CC_CZmode and CC_NCVmode.
        * config/arm/arm.h (CANONICALIZE_COMPARISON): Always use
        arm_canonicalize_comparison.
        * config/arm/arm-modes.def: Add CC_CZmode and CC_NCVmode.
        * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
        prototype.
        (arm_const_double_by_immediates): Declare.
        * config/arm/constraints.md (Di): New constraint.
        * config/arm/predicates.md (arm_immediate_di_operand)
        (arm_di_operand, cmpdi_operand): New.
        * config/arm/arm.md (cbranchdi4): Handle non-Cirrus also.
        (*arm_cmpdi_insn, *arm_cmpdi_unsigned)
        (*arm_cmpdi_zero, *thumb_cmpdi_zero): New insns.
        (cstoredi4): Handle non-Cirrus also.

2010-07-02  Julian Brown  <julian@codesourcery.com>
            Sandra Loosemore  <sandra@codesourcery.com>

        PR target/43703
        * config/arm/vec-common.md (add<mode>3, sub<mode>3, smin<mode>3)
        (smax<mode>3): Disable for NEON float modes when
        flag_unsafe_math_optimizations is false.
        * config/arm/neon.md (*add<mode>3_neon, *sub<mode>3_neon)
        (*mul<mode>3_neon)
        (mul<mode>3add<mode>_neon, mul<mode>3neg<mode>add<mode>_neon)
        (reduc_splus_<mode>, reduc_smin_<mode>, reduc_smax_<mode>): Disable
        for NEON float modes when flag_unsafe_math_optimizations is false.
        (quad_halves_<code>v4sf): Only enable if
        flag_unsafe_math_optimizations is true.
        * doc/invoke.texi (ARM Options): Add note about floating point
        vectorization requiring -funsafe-math-optimizations.

2010-07-02  Sandra Loosemore  <sandra@codesourcery.com>
            Julian Brown  <julian@codesourcery.com>

        * config/arm/neon.md (UNSPEC_VABA): Delete.
        (UNSPEC_VABAL): Delete.
        (UNSPEC_VABS): Delete.
        (UNSPEC_VMUL_N): Delete.
        (adddi3_neon): New.
        (subdi3_neon): New.
        (mul<mode>3add<mode>_neon): Make the pattern named.
        (mul<mode>3neg<mode>add<mode>_neon): Likewise.
        (neon_vadd<mode>): Replace with define_expand, and move the remaining
        unspec parts...
        (neon_vadd<mode>_unspec): ...to this.
        (neon_vmla<mode>, neon_vmla<mode>_unspec): Likewise.
        (neon_vlms<mode>, neon_vmls<mode>_unspec): Likewise.
        (neon_vsub<mode>, neon_vsub<mode>_unspec): Likewise.
        (neon_vaba<mode>): Rewrite in terms of vabd.
        (neon_vabal<mode>): Rewrite in terms of vabdl.
        (neon_vabs<mode>): Rewrite without unspec.
        * config/arm/arm.md (*arm_adddi3): Disable for TARGET_NEON.
        (*arm_subdi3): Likewise.
        * config/arm/neon.ml (Vadd, Vsub): Split out 64-bit variants and add
        No_op attribute to disable assembly output checks.
        * config/arm/arm_neon.h: Regenerated.
        * doc/arm-neon-intrinsics.texi: Regenerated.

2010-07-02  Jan Hubicka  <jh@suse.cz>

        * ipa-split.c (split_function): For aggregate values, set the return
        slot optimization bit.  When passing DECL_BY_REFERENCE, produce
        *<retval> = fncall.part ().
        (execute_split_functions): Do not care about DECL_BY_REFERENCE.

2010-07-02  Sandra Loosemore  <sandra@codesourcery.com>

        * config/arm/neon.md (UNSPEC_VAND): Delete.
        (UNSPEC_VBIC): Delete.
        (UNSPEC_VCLZ): Delete.
        (UNSPEC_VCNT): Delete.
        (UNSPEC_VEOR): Delete.
        (UNSPEC_VORN): Delete.
        (UNSPEC_VORR): Delete.
        (iordi3_neon): Rewrite RTL without unspec.  Add alternatives to handle
        core registers too.
        (anddi3_neon): Likewise.
        (orndi3_neon): Likewise.
        (bicdi3_neon): Likewise.
        (xordi3_neon): Likewise.
        (neon_vclz<mode>): Rewrite as define_expand and clz<mode>2 to get
        rid of unspec and handle unused operand.
        (neon_vcnt<mode>): Similarly, with popcount<mode>2.
        * config/arm/predicates.md (imm_for_neon_logic_operand):
        Require TARGET_NEON.
        (imm_for_neon_inv_logic_operand): Likewise.
        * config/arm/arm.md (define_split for logical_binary_operator):
        Disable for NEON registers.
        (anddi3): Add new define_expand, and rename the insn.  Disable
        this insn for NEON, where anddi3_neon now applies.
        (*anddi_notdi_di): Disable for TARGET_NEON, where bicdi3_neon applies.
        (iordi3): As for anddi3.
        (xordi3): Likewise.
        * config/arm/neon.ml (Vand): Split DImode variants and mark them
        as No_op to disable testing for exact instruction match.
        (Vorr): Likewise.
        (Veor): Likewise.
        (Vbic): Likewise.
        (Vorn): Likewise.
        * config/arm/arm_neon.h: Regenerated.
        * doc/arm-neon-intrinsics.texi: Regenerated.

2010-07-02  Eric Botcazou  <ebotcazou@adacore.com>

        * expr.h (emit_stack_probe): Declare.
        * explow.c (emit_stack_probe): Make global.
        (anti_adjust_stack_and_probe): Fix comments.
        * config/sparc/linux.h (STACK_CHECK_STATIC_BUILTIN): Define to 1.
        * config/sparc/linux64.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
        * config/sparc/sol2.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
        * config/sparc/sparc.c: Include except.h.
        (sparc_emit_probe_stack_range): New function.
        (output_probe_stack_range): Likewise.
        (sparc_expand_prologue): Invoke sparc_emit_probe_stack_range if static
        built-in stack checking is enabled.
        * config/sparc/sparc-protos.h (output_probe_stack_range): Declare.
        * config/sparc/sparc.md (UNSPECV_PROBE_STACK_RANGE): New constant.
        (probe_stack_range): New insn.

2010-07-02  Richard Guenther  <rguenther@suse.de>

        PR target/43958
        * config/pa/pa.c (hppa_gimplify_va_arg_expr): Use pointer arithmetic
        for argument alignment.

2010-07-02  Jan Hubicka  <jh@suse.cz>

        * ipa-split.c (verify_non_ssa_vars): Break out from ...; perform DFS
        walk backwards from entry_bb to check only those basic block of header
        that might lead to execution of split part.
        (consider_split) ... here.
        (find_return_bb): Allow assignment in return BB.
        (find_retval): New.
        (split_function): Fix name of cloned function; take care of updating
        return value in return_bb containing move.

2010-07-02  Andreas Schwab  <schwab@linux-m68k.org>

        PR target/44771
        * config/m68k/m68k.c (m68k_expand_prologue): Remove set but not
        used variable insn.

2010-07-02  Eric Botcazou  <ebotcazou@adacore.com>

        * implicit-zee.c (combine_reaching_defs): Fix long lines.
        (is_set_with_extension_DI): Delete.
        (struct zero_extend_info): New structure.
        (add_removable_zero_extend): New function.
        (find_removable_zero_extends): Use note_stores to find SETs.
        (find_and_remove_ze): Fix long line, remove superfluous parentheses.

2010-07-02  Changpeng Fang  <changpeng.fang@amd.com>

        * tree-ssa-loop-prefetch.c (compute_miss_rate): Rename to
        is_miss_rate_acceptable. Pull total_positions computation
        out of the loops.  Early return if miss_positions exceeds
        the acceptable threshold.
        * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Call
        is_miss_rate_acceptable after renaming of compute_miss_rate.

2010-07-02  Changpeng Fang  <changpeng.fang@amd.com>

        PR middle-end/44576
        * tree-ssa-loop-prefetch.c (compute_miss_rate): Return 1000 (out
        of 1000) for miss rate if the address diference is greater than or
        equal to the cache line size (the two reference will never hit the
        same cache line).

2010-07-02  Bernd Schmidt  <bernds@codesourcery.com>

        PR target/42835
        * config/arm/arm-modes.def (CC_NOTB): New mode.
        * config/arm/arm.c (get_arm_condition_code): Handle it.
        * config/arm/thumb2.md (thumb2_compare_scc): Delete pattern.
        * config/arm/arm.md (subsi3_compare0_c): New pattern.
        (compare_scc): Now a define_and_split.  Add a number of extra
        splitters before it.

        PR target/42172
        * config/arm/arm.c (thumb1_rtx_costs): Improve support for SIGN_EXTEND
        and ZERO_EXTEND.
        (arm_rtx_costs_1): Likewise.
        (arm_size_rtx_costs): Use arm_rtx_costs_1 for these codes.
        * config/arm/arm.md (is_arch6): New attribute.
        (zero_extendhisi2, zero_extendqisi2, extendhisi2,
        extendqisi2): Tighten the code somewhat, avoiding invalid
        RTL to occur in the expander patterns.
        (thumb1_zero_extendhisi2): Merge with thumb1_zero_extendhisi2_v6.
        (thumb1_zero_extendhisi2_v6): Delete.
        (thumb1_extendhisi2): Merge with thumb1_extendhisi2_v6.
        (thumb1_extendhisi2_v6): Delete.
        (thumb1_extendqisi2): Merge with thumb1_extendhisi2_v6.
        (thumb1_extendqisi2_v6): Delete.
        (zero_extendhisi2 for register input splitter): New.
        (zero_extendqisi2 for register input splitter): New.
        (thumb1_extendhisi2 for register input splitter): New.
        (extendhisi2 for register input splitter): New.
        (extendqisi2 for register input splitter): New.
        (TARGET_THUMB1 extendqisi2 for memory input splitter): New.
        (arm_zero_extendhisi2): Allow nonimmediate_operand for operand 1,
        and add support for a register alternative requiring a split.
        (thumb1_zero_extendqisi2): Likewise.
        (arm_zero_extendqisi2): Likewise.
        (arm_extendhisi2): Likewise.
        (arm_extendqisi2): Likewise.

2010-07-02  Sandra Loosemore  <sandra@codesourcery.com>

        * config/arm/arm.c (neon_vdup_constant): Expand into canonical RTL
        instead of an unspec.
        (neon_expand_vector_init): Likewise.
        * config/arm/neon.md (UNSPEC_VCOMBINE): Delete.
        (UNSPEC_VDUP_LANE): Delete.
        (UNSPEC VDUP_N): Delete.
        (UNSPEC_VGET_HIGH): Delete.
        (UNSPEC_VGET_LANE): Delete.
        (UNSPEC_VGET_LOW): Delete.
        (UNSPEC_VMVN): Delete.
        (UNSPEC_VSET_LANE): Delete.
        (V_double_vector_mode): New.
        (vec_set<mode>_internal): Make code emitted match that for the
        corresponding intrinsics.
        (vec_setv2di_internal): Likewise.
        (neon_vget_lanedi): Rewrite to expand into emit_move_insn.
        (neon_vget_lanev2di): Rewrite to expand into vec_extractv2di.
        (neon_vset_lane<mode>): Combine double and quad patterns and
        expand into vec_set<mode>_internal instead of UNSPEC_VSET_LANE.
        (neon_vset_lanedi): Rewrite to expand into emit_move_insn.
        (neon_vdup_n<mode>): Rewrite RTL without unspec.
        (neon_vdup_ndi): Rewrite as define_expand and use emit_move_insn.
        (neon_vdup_nv2di): Rewrite RTL without unspec and merge with
        with neon_vdup_lanev2di, adjusting the pattern from the latter
        to be predicable for consistency.
        (neon_vdup_lane<mode>_internal): New.
        (neon_vdup_lane<mode>): Turn into a define_expand and rewrite
        to avoid using an unspec.
        (neon_vdup_lanedi): Rewrite RTL pattern to avoid unspec.
        (neon_vdup_lanev2di): Turn into a define_expand.
        (neon_vcombine): Rewrite pattern to eliminate UNPSEC_VCOMBINE.
        (neon_vget_high<mode>): Replace with....
        (neon_vget_highv16qi): New pattern using canonical RTL.
        (neon_vget_highv8hi): Likewise.
        (neon_vget_highv4si): Likewise.
        (neon_vget_highv4sf): Likewise.
        (neon_vget_highv2di): Likewise.
        (neon_vget_low<mode>): Replace with....
        (neon_vget_lowv16qi): New pattern using canonical RTL.
        (neon_vget_lowv8hi): Likewise.
        (neon_vget_lowv4si): Likewise.
        (neon_vget_lowv4sf): Likewise.
        (neon_vget_lowv2di): Likewise.

        * config/arm/neon.ml (Vget_lane): Add No_op attribute to suppress
        test for this emitting vmov.
        (Vset_lane): Likewise.
        (Vdup_n): Likewise.
        (Vmov_n): Likewise.

        * doc/arm-neon-intrinsics.texi: Regenerated.

2010-07-02  Sandra Loosemore  <sandra@codesourcery.com>

        * config/arm/neon.md (vec_extractv2di): Correct error in register
        numbering to reconcile with neon_vget_lanev2di.

2010-07-02  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (pt_solution_set_var): New function.
        * tree-ssa-alias.h (pt_solution_set_var): Declare.
        * tree-ssa-loop-ivopts.c (copy_ref_info): Also copy or create
        points-to information.

2010-07-02  Christian Borntraeger  <borntraeger@de.ibm.com>

        * config/s390/s390.c (override_options): Adopt prefetching
        at -O3 to handle flag_prefetch_loop_arrays as a tristate.

2010-07-02  Jan Hubicka  <jh@suse.cz>

        * df-problems.c (df_kill_notes): Do not collect dead  notes.
        (df_set_note): Just call add_reg_note.
        (df_set_unused_notes_for_mw, df_set_dead_notes_for_mw,
        df_create_unused_note): Do not deal with lists of old notes.
        (df_note_bb_compute): Likewise.

2010-07-02  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (find_func_aliases): Handle
        pointer alignment via BIT_AND_EXPR.
        * tree-vrp.c (extract_range_from_binary_expr): Likewise.

2010-07-02  Richard Guenther  <rguenther@suse.de>

        * tree-data-ref.c (initialize_data_dependence_relation): Handle
        mismatching number of dimensions properly.

2010-07-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        PR target/44707
        * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Recognize
        (lo_sum (high ...) ...) patterns generated by earlier passes.

2010-07-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/install.texi (Prerequisites): Document Perl requirement on
        Solaris 2.
        (Specific, *-*-solaris2*): Document GNU c++filt requirement.

2010-07-02  Richard Guenther  <rguenther@suse.de>

        PR middle-end/44777
        * tree-cfg.c (gimple_block_ends_with_call_p): Handle empty BBs.

2010-07-02  Jan Hubicka  <jh@suse.cz>

        PR middle-end/44706
        * predict.c (predict_paths_for_bb): Handle case when control dependence
        BB has only abnormal edges.

2010-07-02  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44748
        * tree-ssa-ccp.c (fold_const_aggregate_ref): Properly handle
        the embedded conversion in MEM_REFs.

2010-07-01  López-Ibáñez  <manu@gcc.gnu.org>

        * reload.c: Include toplev.h.
        * recog.c:  Likewise.
        * Makefile.in: Adjust dependencies.

2010-07-01  Jakub Jelinek  <jakub@redhat.com>

        PR debug/44694
        * dwarf2out.c (reg_loc_descriptor): For eliminated arg_pointer_rtx
        or frame_pointer_rtx use DW_OP_fbreg offset DW_OP_stack_value.

2010-07-01  Richard Guenther  <rguenther@suse.de>

        * emit-rtl.c (set_mem_attributes_minus_bitpos): Use unsigned
        types for offsets.

2010-07-01  Joern Rennecke  <joern.rennecke@embecosm.com>

        PR target/44732
        * config/ia64/ia64.c (ia64_register_move_cost): Remove stray '{'.
        Fix argument types.

2010-07-01  Bernd Schmidt  <bernds@codesourcery.com>

        PR target/44727
        * config/i386/i386.md (peephole2 for arithmetic ops with memory):
        Make sure operand 0 dies.

2010-07-01  Richard Guenther  <rguenther@suse.de>

        PR middle-end/42834
        PR middle-end/44468
        * doc/gimple.texi (is_gimple_mem_ref_addr): Document.
        * doc/generic.texi (References to storage): Document MEM_REF.
        * tree-pretty-print.c (dump_generic_node): Handle MEM_REF.
        (print_call_name): Likewise.
        * tree.c (recompute_tree_invariant_for_addr_expr): Handle MEM_REF.
        (build_simple_mem_ref_loc): New function.
        (mem_ref_offset): Likewise.
        * tree.h (build_simple_mem_ref_loc): Declare.
        (build_simple_mem_ref): Define.
        (mem_ref_offset): Declare.
        * fold-const.c: Include tree-flow.h.
        (operand_equal_p): Handle MEM_REF.
        (build_fold_addr_expr_with_type_loc): Likewise.
        (fold_comparison): Likewise.
        (fold_unary_loc): Fold
        VIEW_CONVERT_EXPR <T1, MEM_REF <T2, ...>> to MEM_REF <T1, ...>.
        (fold_binary_loc): Fold MEM[&MEM[p, CST1], CST2] to MEM[p, CST1 + CST2],
        fold MEM[&a.b, CST2] to MEM[&a, offsetof (a, b) + CST2].
        * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Handle MEM_REF.
        (ptr_deref_may_alias_ref_p_1): Likewise.
        (ao_ref_base_alias_set): Properly differentiate base object for
        offset and TBAA.
        (ao_ref_init_from_ptr_and_size): Use MEM_REF.
        (indirect_ref_may_alias_decl_p): Handle MEM_REFs properly.
        (indirect_refs_may_alias_p): Likewise.
        (refs_may_alias_p_1): Likewise.  Remove pointer SSA name def
        chasing code.
        (ref_maybe_used_by_call_p_1): Handle MEM_REF.
        (call_may_clobber_ref_p_1): Likewise.
        * dwarf2out.c (loc_list_from_tree): Handle MEM_REF.
        * expr.c (expand_assignment): Handle MEM_REF.
        (store_expr): Handle MEM_REFs from STRING_CSTs.
        (store_field): If expanding a MEM_REF of a non-addressable
        decl use bitfield operations.
        (get_inner_reference): Handle MEM_REF.
        (expand_expr_addr_expr_1): Likewise.
        (expand_expr_real_1): Likewise.
        * tree-eh.c (tree_could_trap_p): Handle MEM_REF.
        * alias.c (ao_ref_from_mem): Handle MEM_REF.
        (get_alias_set): Likewise.  Properly handle VIEW_CONVERT_EXPRs.
        * tree-data-ref.c (dr_analyze_innermost): Handle MEM_REF.
        (dr_analyze_indices): Likewise.
        (dr_analyze_alias): Likewise.
        (object_address_invariant_in_loop_p): Likewise.
        * gimplify.c (mark_addressable): Handle MEM_REF.
        (gimplify_cond_expr): Build MEM_REFs.
        (gimplify_modify_expr_to_memcpy): Likewise.
        (gimplify_init_ctor_preeval_1): Handle MEM_REF.
        (gimple_fold_indirect_ref): Adjust.
        (gimplify_expr): Handle MEM_REF.  Gimplify INDIRECT_REF to MEM_REF.
        * tree.def (MEM_REF): New tree code.
        * tree-dfa.c: Include toplev.h.
        (get_ref_base_and_extent): Handle MEM_REF.
        (get_addr_base_and_unit_offset): New function.
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Handle MEM_REF.
        * gimple-fold.c (may_propagate_address_into_dereference): Handle
        MEM_REF.
        (maybe_fold_offset_to_array_ref): Allow possibly out-of bounds
        accesses if the array has just one dimension.  Remove always true
        parameter.  Do not require type compatibility here.
        (maybe_fold_offset_to_component_ref): Remove.
        (maybe_fold_stmt_indirect): Remove.
        (maybe_fold_reference): Remove INDIRECT_REF handling.
        Fold back to non-MEM_REF.
        (maybe_fold_offset_to_address): Simplify.  Deal with type
        mismatches here.
        (maybe_fold_reference): Likewise.
        (maybe_fold_stmt_addition): Likewise.  Also handle
        &ARRAY + I in addition to &ARRAY[0] + I.
        (fold_gimple_assign): Handle ADDR_EXPR of MEM_REFs.
        (gimple_get_relevant_ref_binfo): Handle MEM_REF.
        * cfgexpand.c (expand_debug_expr): Handle MEM_REF.
        * tree-ssa.c (useless_type_conversion_p): Make most pointer
        conversions useless.
        (warn_uninitialized_var): Handle MEM_REF.
        (maybe_rewrite_mem_ref_base): New function.
        (execute_update_addresses_taken): Implement re-writing of MEM_REFs
        to SSA form.
        * tree-inline.c (remap_gimple_op_r): Handle MEM_REF, remove
        INDIRECT_REF handling.
        (copy_tree_body_r): Handle MEM_REF.
        * gimple.c (is_gimple_addressable): Adjust.
        (is_gimple_address): Likewise.
        (is_gimple_invariant_address): ADDR_EXPRs of MEM_REFs with
        invariant base are invariant.
        (is_gimple_min_lval): Adjust.
        (is_gimple_mem_ref_addr): New function.
        (get_base_address): Handle MEM_REF.
        (count_ptr_derefs): Likewise.
        (get_base_loadstore): Likewise.
        * gimple.h (is_gimple_mem_ref_addr): Declare.
        (gimple_call_fndecl): Handle invariant MEM_REF addresses.
        * tree-cfg.c (verify_address): New function, split out from ...
        (verify_expr): ... here.  Use for verifying ADDR_EXPRs and
        the address operand of MEM_REFs.  Verify MEM_REFs.  Reject
        INDIRECT_REFs.
        (verify_types_in_gimple_min_lval): Handle MEM_REF.  Disallow
        INDIRECT_REF.  Allow conversions.
        (verify_types_in_gimple_reference): Verify VIEW_CONVERT_EXPR of
        a register does not change its size.
        (verify_types_in_gimple_reference): Verify MEM_REF.
        (verify_gimple_assign_single): Disallow INDIRECT_REF.
        Handle MEM_REF.
        * tree-ssa-operands.c (opf_non_addressable, opf_not_non_addressable):
        New.
        (mark_address_taken): Handle MEM_REF.
        (get_indirect_ref_operands): Pass through opf_not_non_addressable.
        (get_asm_expr_operands): Pass opf_not_non_addressable.
        (get_expr_operands): Handle opf_[not_]non_addressable.
        Handle MEM_REF.  Remove INDIRECT_REF handling.
        * tree-vrp.c (check_array_ref): Handle MEM_REF.
        (search_for_addr_array): Likewise.
        (check_array_bounds): Likewise.
        (vrp_stmt_computes_nonzero): Adjust for MEM_REF.
        * tree-ssa-loop-im.c (for_each_index): Handle MEM_REF.
        (ref_always_accessed_p): Likewise.
        (gen_lsm_tmp_name): Likewise.  Handle ADDR_EXPR.
        * tree-complex.c (extract_component): Do not handle INDIRECT_REF.
        Handle MEM_REF.
        * cgraphbuild.c (mark_load): Properly check for NULL result
        from get_base_address.
        (mark_store): Likewise.
        * tree-ssa-loop-niter.c (array_at_struct_end_p): Handle MEM_REF.
        * tree-loop-distribution.c (generate_builtin): Exchange INDIRECT_REF
        handling for MEM_REF.
        * tree-scalar-evolution.c (follow_ssa_edge_expr): Handle
        &MEM[ptr + CST] similar to POINTER_PLUS_EXPR.
        * builtins.c (stabilize_va_list_loc): Use the function ABI
        valist type if we couldn't canonicalize the argument type.
        Always dereference with the canonical va-list type.
        (maybe_emit_free_warning): Handle MEM_REF.
        (fold_builtin_memory_op): Simplify and handle MEM_REFs in folding
        memmove to memcpy.
        * builtins.c (fold_builtin_memory_op): Use ref-all types
        for all memcpy foldings.
        * omp-low.c (build_receiver_ref): Adjust for MEM_REF.
        (build_outer_var_ref): Likewise.
        (scan_omp_1_op): Likewise.
        (lower_rec_input_clauses): Likewise.
        (lower_lastprivate_clauses): Likewise.
        (lower_reduction_clauses): Likewise.
        (lower_copyprivate_clauses): Likewise.
        (expand_omp_atomic_pipeline): Likewise.
        (expand_omp_atomic_mutex): Likewise.
        (create_task_copyfn): Likewise.
        * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle MEM_REF.
        Remove old union trick.  Initialize constant offsets.
        (ao_ref_init_from_vn_reference): Likewise.  Do not handle
        INDIRECT_REF.  Init base_alias_set properly.
        (vn_reference_lookup_3): Replace INDIRECT_REF handling with MEM_REF.
        (vn_reference_fold_indirect): Adjust for MEM_REFs.
        (valueize_refs): Fold MEM_REFs.  Re-evaluate constant offset
        for ARRAY_REFs.
        (may_insert): Remove.
        (visit_reference_op_load): Do not test may_insert.
        (run_scc_vn): Remove parameter, do not fiddle with may_insert.
        * tree-ssa-sccvn.h (struct vn_reference_op_struct): Add
        a field to store the constant offset this op applies.
        (run_scc_vn): Adjust prototype.
        * cgraphunit.c (thunk_adjust): Adjust for MEM_REF.
        * tree-ssa-ccp.c (ccp_fold): Replace INDIRECT_REF folding with
        MEM_REF.  Propagate &foo + CST as &MEM[&foo, CST].  Do not
        bother about volatile qualifiers on pointers.
        (fold_const_aggregate_ref): Handle MEM_REF, do not handle INDIRECT_REF.
        * tree-ssa-loop-ivopts.c
        * tree-ssa-loop-ivopts.c (determine_base_object): Adjust for MEM_REF.
        (strip_offset_1): Likewise.
        (find_interesting_uses_address): Replace INDIRECT_REF handling with
        MEM_REF handling.
        (get_computation_cost_at): Likewise.
        * ipa-pure-const.c (check_op): Handle MEM_REF.
        * tree-stdarg.c (check_all_va_list_escapes): Adjust for MEM_REF.
        * tree-ssa-sink.c (is_hidden_global_store): Handle MEM_REF
        and constants.
        * ipa-inline.c (likely_eliminated_by_inlining_p): Handle MEM_REF.
        * tree-parloops.c (take_address_of): Adjust for MEM_REF.
        (eliminate_local_variables_1): Likewise.
        (create_call_for_reduction_1): Likewise.
        (create_loads_for_reductions): Likewise.
        (create_loads_and_stores_for_name): Likewise.
        * matrix-reorg.c (may_flatten_matrices_1): Sanitize.
        (ssa_accessed_in_tree): Handle MEM_REF.
        (ssa_accessed_in_assign_rhs): Likewise.
        (update_type_size): Likewise.
        (analyze_accesses_for_call_stmt): Likewise.
        (analyze_accesses_for_assign_stmt): Likewise.
        (transform_access_sites): Likewise.
        (transform_allocation_sites): Likewise.
        * tree-affine.c (tree_to_aff_combination): Handle MEM_REF.
        * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref): Do
        not handle INDIRECT_REF.
        * tree-ssa-phiopt.c (add_or_mark_expr): Handle MEM_REF.
        (cond_store_replacement): Likewise.
        * tree-ssa-pre.c (create_component_ref_by_pieces_1): Handle
        MEM_REF, no not handle INDIRECT_REFs.
        (insert_into_preds_of_block): Properly initialize avail.
        (phi_translate_1): Fold MEM_REFs.  Re-evaluate constant offset
        for ARRAY_REFs.  Properly handle reference lookups that
        require a bit re-interpretation.
        (can_PRE_operation): Do not handle INDIRECT_REF.  Handle MEM_REF.
        * tree-sra.c (build_access_from_expr_1): Handle MEM_REF.
        (build_ref_for_offset_1): Remove.
        (build_ref_for_offset): Build MEM_REFs.
        (gate_intra_sra): Disable for now.
        (sra_ipa_modify_expr): Handle MEM_REF.
        (ipa_early_sra_gate): Disable for now.
        * tree-sra.c (create_access): Swap INDIRECT_REF handling for
        MEM_REF handling.
        (disqualify_base_of_expr): Likewise.
        (ptr_parm_has_direct_uses): Swap INDIRECT_REF handling for
        MEM_REF handling.
        (sra_ipa_modify_expr): Remove INDIRECT_REF handling.
        Use mem_ref_offset.  Remove bogus folding.
        (build_access_from_expr_1): Properly handle MEM_REF for non IPA-SRA.
        (make_fancy_name_1): Add support for MEM_REF.
        * tree-predcom.c (ref_at_iteration): Handle MEM_REFs.
        * tree-mudflap.c (mf_xform_derefs_1): Adjust for MEM_REF.
        * ipa-prop.c (compute_complex_assign_jump_func): Handle MEM_REF.
        (compute_complex_ancestor_jump_func): Likewise.
        (ipa_analyze_virtual_call_uses): Likewise.
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Replace
        INDIRECT_REF folding with more generalized MEM_REF folding.
        (tree_ssa_forward_propagate_single_use_vars): Adjust accordingly.
        (forward_propagate_addr_into_variable_array_index): Also handle
        &ARRAY + I in addition to &ARRAY[0] + I.
        * tree-ssa-dce.c (ref_may_be_aliased): Handle MEM_REF.
        * tree-ssa-ter.c (find_replaceable_in_bb): Avoid TER if that
        creates assignments with overlap.
        * tree-nested.c (get_static_chain): Adjust for MEM_REF.
        (get_frame_field): Likewise.
        (get_nonlocal_debug_decl): Likewise.
        (convert_nonlocal_reference_op): Likewise.
        (struct nesting_info): Add mem_refs pointer-set.
        (create_nesting_tree): Allocate it.
        (convert_local_reference_op): Insert to be folded mem-refs.
        (fold_mem_refs): New function.
        (finalize_nesting_tree_1): Perform defered folding of mem-refs
        (free_nesting_tree): Free the pointer-set.
        * tree-vect-stmts.c (vectorizable_store): Adjust for MEM_REF.
        (vectorizable_load): Likewise.
        * tree-ssa-phiprop.c (phiprop_insert_phi): Adjust for MEM_REF.
        (propagate_with_phi): Likewise.
        * tree-object-size.c (addr_object_size): Handle MEM_REFs
        instead of INDIRECT_REFs.
        (compute_object_offset): Handle MEM_REF.
        (plus_stmt_object_size): Handle MEM_REF.
        (collect_object_sizes_for): Dispatch to plus_stmt_object_size
        for &MEM_REF.
        * tree-flow.h (get_addr_base_and_unit_offset): Declare.
        (symbol_marked_for_renaming): Likewise.
        * Makefile.in (tree-dfa.o): Add $(TOPLEV_H).
        (fold-const.o): Add $(TREE_FLOW_H).
        * tree-ssa-structalias.c (get_constraint_for_1): Handle MEM_REF.
        (find_func_clobbers): Likewise.
        * ipa-struct-reorg.c (decompose_indirect_ref_acc): Handle MEM_REF.
        (decompose_access): Likewise.
        (replace_field_acc): Likewise.
        (replace_field_access_stmt): Likewise.
        (insert_new_var_in_stmt): Likewise.
        (get_stmt_accesses): Likewise.
        (reorg_structs_drive): Disable.
        * config/i386/i386.c (ix86_va_start): Adjust for MEM_REF.
        (ix86_canonical_va_list_type): Likewise.

2010-06-30  Joern Rennecke  <joern.rennecke@embecosm.com>

        PR other/44566
        * coretypes.h [!USED_FOR_TARGET] (reg_class_t): Define.
        * target.def (struct gcc_target): Replace enum reg_class with
        reg_class_t in hook argument / return types.
        * doc/tm.texi.in (TARGET_SECONDARY_RELOAD): Likewise.
        (TARGET_IRA_COVER_CLASSES, TARGET_MEMORY_MOVE_COST): Likewise.
        (TARGET_BRANCH_TARGET_REGISTER_CLASS): Likewise.
        * targhooks.h (default_branch_target_register_class): Likewise.
        (default_ira_cover_classes, default_secondary_reload): Likewise.
        (default_memory_move_cost, default_register_move_cost): Likewise.
        * targhooks.c (default_branch_target_register_class): Likewise.
        (default_ira_cover_classes, default_secondary_reload): Likewise.
        (default_memory_move_cost, default_register_move_cost): Likewise.
        * reload.c (push_secondary_reload, secondary_reload_class): Likewise.
        * bt-load.c (branch_target_load_optimize): Likewise.
        * ira.c (setup_cover_and_important_classes): Likewise.
        * ira-costs.c (copy_cost): Likewise.
        * reload1.c (emit_input_reload_insns): Likewise.
        * config/alpha/alpha.c (alpha_secondary_reload): Likewise.
        * config/frv/frv.c (frv_secondary_reload): Likewise.
        * config/s390/s390.c (s390_secondary_reload): Likewise.
        * config/i386/i386.c (i386_ira_cover_classes): Likewise.
        (ix86_secondary_reload, ix86_memory_move_cost): Likewise.
        (ix86_register_move_cost): Likewise.
        * config/sh/sh-protos.h (sh_secondary_reload): Likewise.
        * config/sh/sh.c (sh_target_reg_class, sh_secondary_reload): Likewise.
        * config/xtensa/xtensa.c (xtensa_secondary_reload): Likewise.
        * config/xtensa/xtensa-protos.h (xtensa_secondary_reload): Likewise.
        * config/rs6000/rs6000.c (rs6000_secondary_reload): Likewise.
        (rs6000_ira_cover_classes): Likewise.
        * config/picochip/picochip.c (picochip_secondary_reload): Likewise.
        * config/picochip/picochip-protos.h (picochip_secondary_reload):
        Likewise.
        * config/pa/pa.c (pa_secondary_reload): Likewise.
        * config/mips/mips.c (mips_ira_cover_classes): Likewise.
        * config/bfin/bfin.c (bfin_secondary_reload): Likewise.
        * config/ia64/ia64.c (ia64_register_move_cost): Likewise.
        * doc/tm.texi: Regenerate.

2010-06-30  Sebastian Pop  <sebastian.pop@amd.com>

        PR bootstrrap/44726
        * graphite-sese-to-poly.c (build_poly_dr): Avoid uninitialized
        use.
        (build_alias_set_optimal_p): Likewise.
        (build_base_obj_set_for_drs): Likewise.

2010-06-30  Joern Rennecke  <joern.rennecke@embecosm.com>

        * target.def: Remove comment about licensing problems of function
        declarations.

        * target.def (declare_constant_name): Change exp to expr.  Use DEFHOOK.
        * doc/tm.texi.in (TARGET_ASM_DECLARE_CONSTANT_NAME): Use @hook.
        * doc/tm.texi: Regenerate.

        * target.def (builtin_reciprocal): Change tm_fn to md_fn.  Use DEFHOOK.
        * doc/tm.texi.in (TARGET_BUILTIN_RECIPROCAL): Use @hook.

        * target.def (enum_va_list_p): Use DEFHOOK.
        * doc/tm.texi.in (TARGET_ENUM_VA_LIST_P): Use @hook.
        Rename ptype to ptree.
        * doc/tm.texi: Regenerate.

        * target.def (fold_builtin): Rename nargs to n_args.  Use DEFHOOK.
        * doc/tm.texi.in (TARGET_FOLD_BUILTIN): Use @hook.
        * doc/tm.texi: Regenerate.

        * target.def (memory_move_cost): Use DEFHOOK.
        * doc/tm.texi.in (TARGET_MEMORY_MOVE_COST): Use @hook.
        Rename regclass AKA class to rclass.
        * doc/tm.texi: Regenerate.

        * target.def (pragma_parse): Use DEFHOOK.
        * doc/tm.texi.in (TARGET_OPTION_PRAGMA_PARSE): Use @hook.
        s/TARGET_VALID_OPTION_ATTRIBUTE_P/TARGET_OPTION_VALID_ATRIBUTE_P/ .
        * doc/tm.texi: Regenerate.

        * target.def (pass_by_reference): Use DEFHOOK.
        * doc/tm.texi.in (TARGET_PASS_BY_REFERENCE): Use @hook.
        * doc/tm.texi: Regenerate.

        * target.def (resolve_overloaded_builtin): Rename params to arglist.
        Use DEFHOOK.
        * doc/tm.texi.in (TARGET_RESOLVE_OVERLOADED_BUILTIN): Use @hook.
        * doc/tm.texi: Regenerate.

        * target.def (return_pops_args): Use DEFHOOK.
        * doc/tm.texi.in (TARGET_RETURN_POPS_ARGS): Use @hook.
        Rename stack-size to size.
        * doc/tm.texi: Regenerate.

        * target.def (dfa_new_cycle): Use DEFHOOK.  Rename dump_file to dump,
        last-sched_cycle to last_clock, cur_cycle to clock.
        * doc/tm.texi.in: Use @hook.
        * doc/tm.texi: Regenerate.

        * target.def (print_operand, print_operand_address): Update comment.
        (print_operand_punct_valid_p): Likewise.

2010-06-30  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * toplev.h (_fatal_insn_not_found, _fatal_insn): Move declarations
        to rtl.h.
        (error_for_asm, warning_for_asm): Move declarations to rtl-error.h.
        * rtl.h (_fatal_insn_not_found, _fatal_insn): Move declarations here.
        * rtl-error.h: New.
        * regrename.c: Do not include toplev.h. Include rtl-error.h.
        * rtl-error.c: Likewise.
        * reload.c: Likewise.
        * recog.c:  Likewise.
        * sel-sched.c: Likewise.
        * function.c: Likewise.
        * reg-stack.c: Likewise.
        * cfgrtl.c: Likewise.
        * reload1.c: Likewise.
        * final.c: Include rtl-error.
        * Makefile.in: Adjust dependencies.

2010-06-30  Jan Hubicka  <jh@suse.cz>

        PR middle-end/PR44706
        * ipa-split (split_function): Refine conditions when to use DECL_RESULT
        to return the value.

2010-06-30  Michael Matz  <matz@suse.de>

        PR bootstrap/44699
        * tree-vrp.c (vrp_finalize): Deal with changing num_ssa_names.
        * gimple-fold.c (gimplify_and_update_call_from_tree): If LHS is
        a gimple reg, attach the original VDEF to the last store in the
        sequence.

2010-06-30  Iain Sandoe  <iains@gcc.gnu.org>

        PR other/44034
        * config/darwin.c (darwin_override_options): Use renamed
        targetm.asm_out.emit_unwind_label.

2010-06-30  Bernd Schmidt  <bernds@codesourcery.com>

        PR tree-optimization/39799
        * tree-inline.c (remap_ssa_name): Initialize variable only if
        SSA_NAME_OCCURS_IN_ABNORMAL_PHI.

2010-06-30  Nathan Froyd  <froydnj@codesourcery.com>

        * c-parser.c (c_parser_omp_for_loop): Use a VEC for for_block.

2010-06-30  Richard Guenther  <rguenther@suse.de>

        PR target/44722
        * config/i386/i386.md (peephole2 for fix:SSEMODEI24): Guard
        against oscillation with reverse peephole2.

2010-06-30  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/44721
        * config/i386/i386.md (peephole2 for arithmetic ops with memory):
        Fix last commit.

2010-06-30  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx-modes.def: New file.
        * config/rx/rx.h (FIRST_PSEUDO_REGISTER): Increase to 17.
        (CC_REGNUM): Define.
        (FIXED_REGISTERS, CALL_USED_REGISTERS, REGISTER_NAMES): Add cc
        register.
        (CC_NO_CARRY, NOTICE_UPDATE_CC): Delete.
        (SELECT_CC_MODE): Define.
        * config/rx/rx.md (CC_REG): Define.  Update all patterns to use
        (reg:CC CC_REG) instead of (cc0).
        (attr "cc"): Delete.
        (cbranchsi4): Do not split compare and branch here. Instead move
        it to...
        (cbranchsi4_<code>): ... here.  New patterns.
        (cmpsi): Call rx-compare_redundant to find out if it is necessary
        to emit the compare instruction.
        * config/rx/rx.c (rx_gen-cond_branch_template): Remove tests of
        cc_status flags.
        (rx_get_stack_layout): Iterate up to before CC_REGNUM not
        FIRST_PSEUDO_REGNUM.
        (rx_expand_prologue, rx_expand_epilogue): Likewise.
        (rx_notice_update_cc): Delete.
        (rx_cc_modes_compatible): New function.
        (flags_needed_for_conditional): New function.
        (flags_from_mode): New function.
        (rx_compare_redundant): New function - scans backwards through
        insn list to find out if condition flags are already set correctly.
        (TARGET_CC_MODES_COMPATIBLE): Define.
        * config/rx/rx-protos.h (rx_compare_redundant): Prototype.

        * config/rx/rx.h (BRANCH_COST): Define.
        (REGISTER_MOVE_COST): Define.
        * config/rx/predicates (rx_source_operand): Allow all constant types.
        * config/rx/rx.md (addsi3): Add alternative for swapped operands.
        (tstsi4): New pattern.
        * config/rx/rx.c (rx_memory_move_cost): Define.
        (TARGET_MEMORY_MOVE_COST): Define.

2010-06-30  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * tree.h (block_may_fallthru): Declare here.
        * tree-flow.h (block_may_fallthru): Do not declare here.
        * c-typeck.c: Do not include tree-flow.h. Include gimple.h and
        bitmap.h
        * Makefile.in (c-typeck.o): Update dependencies.

2010-06-30  Jakub Jelinek  <jakub@redhat.com>

        PR debug/44694
        * cselib.h (cselib_preserve_cfa_base_value): Add regno argument.
        * cselib.c (cfa_base_preserved_regno): New static variable.
        (cselib_reset_table): Don't reset cfa_base_preserved_regno instead
        of REGNO (cfa_base_preserved_val->locs->loc).
        (cselib_preserve_cfa_base_value): Add regno argument, set
        cfa_base_preserved_regno to it.
        (cselib_invalidate_regno): Allow removal of registers other than
        cfa_base_preserved_regno from cfa_base_preserved_val.
        (cselib_finish): Set cfa_base_preserved_regno to INVALID_REGNUM.
        * var-tracking.c (adjust_mems): Replace sp or hfp even outside
        of MEM addresses, if not on LHS.
        (reverse_op): Don't add reverse ops for cfa_base_rtx.
        (vt_init_cfa_base): Adjust cselib_preserve_cfa_base_value caller.

2010-06-30  Bernd Schmidt  <bernds@codesourcery.com>

        * recog.c (peep2_do_rebuild_jump_labels, peep2_do_cleanup_cfg): New
        static variables.
        (peep2_buf_position): New static function.
        (peep2_regno_dead_p, peep2_reg_dead_p, peep2_find_free_register,
        peephole2_optimize): Use it.
        (peep2_attempt, peep2_update_life): New static functions, broken out
        of peephole2_optimize.
        (peep2_fill_buffer): New static function.
        (peephole2_optimize): Change the main loop to try to fill the buffer
        with the maximum number of insns before matching them against
        peepholes.  Use a forward scan.  Remove special case for targets with
        conditional execution.
        * genrecog.c (change_state): Delete dead code.
        * config/i386/i386.md (peephole2 for arithmetic ops with memory):
        Rewrite so as not to expect the second insn to have had a peephole
        applied yet.

2010-06-29  Nathan Froyd  <froydnj@codesourcery.com>

        * genhooks.c (emit_findices): Cast field precision to int.
        (emit_documentation): Likewise.

2010-06-29  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/43801
        * cgraph.c (cgraph_create_virtual_clone): Clear DECL_SECTION_NAME
        if old_decl was DECL_ONE_ONLY.

        PR debug/44668
        * dwarf2out.c (add_accessibility_attribute): New function.
        (gen_subprogram_die, gen_variable_die, gen_field_die): Use it
        instead of adding DW_AT_accessibility manually.
        (gen_enumeration_type_die, gen_struct_or_union_type_die,
        gen_typedef_die): Use it.

2010-06-29  Douglas B Rupp  <rupp@gnat.com>

        * vmsdbgout.c (full_name): Just output the file name if not native.

2010-06-29  Douglas B Rupp  <rupp@gnat.com>

        * vmsdbgout.c (func_table): Replace with VEC func{nam,num}_tables.
        (funcnam_table): New static table.
        (funcnum_table): New static table.
        (write_rtnbeg): Write value saved in funcnum_table.
        (write_rtnend): Write value saved in funcnum_table.
        (vmsdbgout_begin_function): Save current function info in
        (vmsdbgout_init): Initialize func{nam,num}_tables. Minor reformatting.
        (vmsdbgout_finish): Iterate over funcnum_table.

2010-06-29  Douglas B Rupp  <rupp@gnat.com>

        * vmsdbgout.c (vmsdbgout_begin_epilogue): Declare
        (vmsdbgout_type_decl): Declare
        (vmsdbg_debug_hooks): Add entry for type_decl and begin_epilogue.
        (FUNC_EPILOGUE_LABEL): New macro
        (vmsdbgout_begin_epilogue): New function.
        (vmsdbgout_type_decl): New function.

2010-06-29  Douglas B Rupp  <rupp@gnat.com>

        * vmsdbg.h: Update copyright.

2010-06-29  Douglas B Rupp  <rupp@gnat.com>

        * vmsdbg.h (DST_K_TBG): New DST constant.
        * vmsdbgout.c (addr_const_to_string): Removed, not referenced.
        (write_modbeg): Cast module_language to avoid warning.
        (write_rtnbeg): Use DST_K_TBG vice magic mystery number.

2010-06-29  Joern Rennecke  <joern.rennecke@embecosm.com>

        PR other/44034
        * target.def, doc/tm.texi.in, genhooks.c: New files.
        * target.h: Instead of defining individual hook members,
        define DEFHOOKPOD / DEFHOOK / DEFHOOK_UNDOC / HOOKSTRUCT and
        include target.def.
        * target-def.h: Instead of defining individual hook initializers,
        include target-hooks-def.h.
        * df-scan.c, haifa-sched.c, sel-sched.c: Rename targetm members:
        targetm.live_on_entry -> targetm.extra_live_on_entry
        targetm.sched.md_finish ->targetm.sched.finish
        targetm.sched.md_init -> targetm.sched.init
        targetm.sched.md_init_global -> targetm.sched.init_global
        targetm.asm_out.unwind_label -> targetm.asm_out.emit_unwind_label
        targetm.asm_out.except_table_label ->
          targetm.asm_out.emit_except_table_label
        targetm.asm_out.visibility -> targetm.asm_out.assemble_visibility
        targetm.target_help -> targetm.help
        targetm.vectorize.builtin_support_vector_misalignment ->
          targetm.vectorize.support_vector_misalignment
        targetm.file_start_app_off -> targetm.asm_file_start_app_off
        targetm.file_start_file_directive ->
         targetm.asm_file_start_file_directive
        * dwarf2out.c, opts.c, tree-vect-data-refs.c, except.c: Likewise.
        * varasm.c, config/alpha/alpha.c, config/cris/cris.c: Likewise.
        * config/spu/spu.c, config/ia64/ia64.c: Rename target macros:
        TARGET_VECTOR_ALIGNMENT_REACHABLE ->
          TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE
        TARGET_SUPPORT_VECTOR_MISALIGNMENT ->
          TARGET_VECTORIZE_SUPPORT_VECTOR_MISALIGNMENT
        TARGET_UNWIND_EMIT -> TARGET_ASM_UNWIND_EMIT
        * config/rs6000/rs6000.c, config/arm/arm.c: Likewise.
        * Makefile.in (TARGET_H): Depend on target.def.
        (TARGET_DEF_H): Depend on target-hooks-def.h.
        (target-hooks-def.h, tm.texi, s-target-hooks-def-h): New rules.
        (s-tm-texi, build/genhooks.o, build/genhooks): Likewise.
        * doc/tm.texi: Regenerate.

        * Makefile.in (s-tm-texi): Remove stray tab / rule.

        * config/m68k/m68k.c (targetm.sched.init_global): Update comment.
        (targetm.sched.init): Likewise.

2010-06-29  Nathan Froyd  <froydnj@codesourcery.com>

        PR bootstrap/44713
        * config/i386/i386.c (type_natural_mode): Const-ify CUM parameter.
        (function_arg_advance_32): Const-ify TYPE parameter.
        (function_arg_advance_64): Likewise.  Change type of NAMED to bool.
        (ix86_function_arg_advance): Change type of NAMED to bool.
        (function_arg_32): Const-ify CUM and TYPE parameters.
        (function_arg_64): Likewise.  Change type of NAMED to bool.
        (function_arg_ms_64): Const-ify CUM parameter. Change type of NAMED
        to bool.
        (ix86_function_arg): Change type of NAMED to bool.
        (ix86_setup_incoming_varargs): Call ix86_function_arg_advance.  Pass
        last argument as a bool.

2010-06-29  Joern Rennecke  <joern.rennecke@embecosm.com>

        * doc/tm.texi (TARGET_OPTION_OVERRIDE): Document.
        (OVERRIDE_OPTIONS): Add note of obsolescence.
        Replace references with references to TARGET_OPTION_OVERRIDE.
        (Except for C_COMMON_OVERRIDE_OPTIONS, which remains similar to
         the macro).
        * targhooks.c (default_target_option_override): New function.
        * targhooks.h (default_target_option_override): Declare.
        * target.h (struct gcc_target): Add override member to
        target_option member.
        * toplev.c (process_options): Replace OVERRIDE_OPTIONS use with
        targetm.target_option.override call.
        * target-def.h (TARGET_OPTION_OVERRIDE): Define.
        (TARGET_OPTION_HOOKS): Add TARGET_OPTION_OVERRIDE.

2010-06-29  Jan Hubicka  <jh@suse.cz>

        * tree-inline.c: Replace incomming by incomin and clonning by cloning.

2010-06-29  Jan Hubicka  <jh@suse.cz>

        * predict.c (propagate_freq): Clear EXIT_BLOCK_PTR frequency if it is
        unreachable.
        (rebuild_frequencies): New function.
        * predict.h (rebuild_frequencies): Declare.
        * tree-inline.c (copy_cfg_body): Compute properly count & frequency of
        entry block and edge reaching new_entry.
        (tree_function_versioning): When doing partial cloning, rebuild
        frequencies when done.
        * passes.c (execute_function_todo): Use rebild_frequencies.

2010-06-29  Richard Guenther  <rguenther@suse.de>

        * tree-dfa.c (dump_variable): Remove noalias_state dumping.
        * tree-flow.h (enum noalias_state): Remove.
        (struct var_ann_d): Remove noalias_state member.

2010-06-29  Bernd Schmidt  <bernds@codesourcery.com>

        PR target/43902
        * config/arm/arm.md (maddsidi4, umaddsidi4): New expanders.
        (maddhisi4): Renamed from mulhisi3addsi.  Operands renumbered.
        (maddhidi4): Likewise.

        Revert parts of the change for PR25130.
        * cse.c (exp_equiv_p): For MEMs, if for_gcse, only compare
        MEM_ALIAS_SET.

2010-06-29  Nathan Froyd  <froydnj@codesourcery.com>

        * calls.c, dse.c, expr.c, function.c: Call targetm.calls.function_arg,
        targetm.calls.function_incoming_arg, and
        targetm.calls.function_arg_advance instead of FUNCTION_ARG,
        FUNCTION_INCOMING_ARG, and FUNCTION_ARG_ADVANCE, respectively.
        * target.h (struct gcc_target): Add function_arg_advance,
        function_arg, and function_incoming_arg fields.
        * target-def.h (TARGET_FUNCTION_ARG_ADVANCE, TARGET_FUNCTION_ARG):
        (TARGET_FUNCTION_INCOMING_ARG): Define.
        (TARGET_CALLS): Add TARGET_FUNCTION_ARG_ADVANCE, TARGET_FUNCTION_ARG,
        and TARGET_FUNCTION_INCOMING_ARG.
        * targhooks.h (default_function_arg_advance): Declare.
        (default_function_arg, default_function_incoming_arg): Declare.
        * targhooks.c (default_function_arg_advance): New function.
        (default_function_arg, default_function_incoming_arg): New function.
        * config/i386/i386.c (function_arg_advance): Rename to...
        (ix86_function_arg_advance): ...this.  Make static.
        (function_arg): Rename to...
        (ix86_function_arg): ...this.  Make static.
        (TARGET_FUNCTION_ARG_ADVANCE): Define.
        (TARGET_FUNCTION_ARG): Define.
        * config/i386/i386.h (FUNCTION_ARG_ADVANCE): Delete.
        (FUNCTION_ARG): Delete.
        * config/i386/i386-protos.h (function_arg_advance): Delete prototype.
        (function_arg): Delete prototype.

2010-06-29  Nathan Froyd  <froydnj@codesourcery.com>

        * reginfo.c (init_reg_sets_1): Adjust comments.
        * combine-stack-adj.c (rest_of_handle_stack_adjustments): Likewise.
        * calls.c (prepare_call_address): Likewise.
        (emit_call_1): Use targetm.calls.return_pops_args.
        (expand_call): Likewise.
        * function.c (assign_parms): Likewise.
        * system.h (RETURN_POPS_ARGS): Add to #pragma poison list.
        * target.h (struct gcc_target) [struct calls]: Add
        return_pops_args field.
        * targhooks.h (default_return_pops_args): Declare.
        * targhooks.c (default_return_pops_args): Define.
        * target-def.h (TARGET_RETURN_POPS_ARGS): Define.
        (TARGET_CALLS): Add TARGET_RETURN_POPS_ARGS.
        * doc/tm.texi (RETURN_POPS_ARGS): Rename to...
        (TARGET_RETURN_POPS_ARGS): ...this.  Use deftypefn.  Adjust
        documentation.
        * config/alpha/alpha.h (RETURN_POPS_ARGS): Delete.
        * config/arc/arc.h (RETURN_POPS_ARGS): Likewise.
        * config/arm/arm.h (RETURN_POPS_ARGS): Likewise.
        * config/avr/avr.h (RETURN_POPS_ARGS): Likewise.
        * config/bfin/bfin.h (RETURN_POPS_ARGS): Likewise.
        * config/cris/cris.h (RETURN_POPS_ARGS): Likewise.
        * config/crx/crx.h (RETURN_POPS_ARGS): Likewise.
        * config/fr30/fr30.h (RETURN_POPS_ARGS): Likewise.
        * config/frv/frv.h (RETURN_POPS_ARGS): Likewise.
        * config/h8300/h8300.h (RETURN_POPS_ARGS): Likewise.
        * config/ia64/ia64.h (RETURN_POPS_ARGS): Likewise.
        * config/iq2000/iq2000.h (RETURN_POPS_ARGS): Likewise.
        * config/lm32/lm32.h (RETURN_POPS_ARGS): Likewise.
        * config/m32c/m32c.h (RETURN_POPS_ARGS): Likewise.
        * config/m32r/m32r.h (RETURN_POPS_ARGS): Likewise.
        * config/m68hc11/m68hc11.h (RETURN_POPS_ARGS): Likewise.
        * config/mcore/mcore.h (RETURN_POPS_ARGS): Likewise.
        * config/mep/mep.h (RETURN_POPS_ARGS): Likewise.
        * config/mips/mips.h (RETURN_POPS_ARGS): Likewise.
        * config/mmix/mmix.h (RETURN_POPS_ARGS): Likewise.
        * config/mn10300/mn10300.h (RETURN_POPS_ARGS): Likewise.
        * config/moxie/moxie.h (RETURN_POPS_ARGS): Likewise.
        * config/pa/pa.h (RETURN_POPS_ARGS): Likewise.
        * config/pdp11/pdp11.h (RETURN_POPS_ARGS): Likewise.
        * config/picochip/picochip.h (RETURN_POPS_ARGS): Likewise.
        * config/rs6000/rs6000.h (RETURN_POPS_ARGS): Likewise.
        * config/rx/rx.h (RETURN_POPS_ARGS): Likewise.
        * config/s390/s390.h (RETURN_POPS_ARGS): Likewise.
        * config/score/score.h (RETURN_POPS_ARGS): Likewise.
        * config/sh/sh.h (RETURN_POPS_ARGS): Likewise.
        * config/sparc/sparc.h (RETURN_POPS_ARGS): Likewise.
        * config/spu/spu.h (RETURN_POPS_ARGS): Likewise.
        * config/stormy16/stormy16.h (RETURN_POPS_ARGS): Likewise.
        * config/v850/v850.h (RETURN_POPS_ARGS): Likewise.
        * config/xtensa/xtensa.h (RETURN_POPS_ARGS): Likewise.
        * config/i386/i386-protos.h (ix86_return_pops_args): Delete.
        * config/i386/i386.h (RETURN_POPS_ARGS): Delete.
        * config/i386/i386.c (ix86_return_pops_args): Make static.
        Constify arguments.
        (TARGET_RETURN_POPS_ARGS): Define.
        * config/m68k/m68k.h (RETURN_POPS_ARGS): Move to...
        * config/m68k/m68k.c (m68k_return_pops_args): ...here.  New function.
        (TARGET_RETURN_POPS_ARGS): Define.
        * config/vax/vax.h (RETURN_POPS_ARGS): Move to...
        * config/vax/vax.c (vax_return_pops_args): ...here.  New function.
        (TARGET_RETURN_POPS_ARGS): Define.

2010-06-29  Richard Guenther  <rguenther@suse.de>

        PR middle-end/44667
        * tree-inline.c (initialize_inlined_parameters): Make sure
        to remap the inlined parameter variable substitutions types.

2010-06-29  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/44659
        * combine.c (make_compound_operation) <SUBREG>: Do not return the
        result of force_to_mode if it partially re-expanded the compound.

2010-06-28  Jan Hubicka  <jh@suse.cz>

        PR middle-end/44671
        * ipa-split.c (test_nonssa_use, mark_nonssa_use): Check also uses of
        RESULT_DECL.

2010-06-28  Anatoly Sokolov  <aesok@post.ru>

        * double-int.h (force_fit_type_double): Remove declaration.
        * double-int.c (force_fit_type_double): Move to tree.c.
        * tree.h (force_fit_type_double): Declare.
        * tree.h (force_fit_type_double): Moved from double-int.c. Use
        double_int type for 'cst' argument. Use double_int_fits_to_tree_p and
        double_int_to_tree instead of fit_double_type and build_int_cst_wide.
        * convert.c (convert_to_pointer): Adjust call to
        force_fit_type_double.
        * tree-vrp.c (extract_range_from_assert,
        extract_range_from_unary_expr): Adjust call to force_fit_type_double.
        * fold-const.c: Update comment.
        (int_const_binop, fold_convert_const_int_from_int,
        fold_convert_const_int_from_real, fold_convert_const_int_from_fixed,
        extract_muldiv_1, fold_div_compare, fold_sign_changed_comparison,
        fold_unary_loc, fold_negate_const, fold_abs_const, fold_not_const,
        round_up_loc): Adjust call to force_fit_type_double.

2010-06-28  Philipp Tomsich  <philipp.tomsich@theobroma-systems.com>

        * config/rs6000/rs6000.h (PROCESSOR_TITAN): Declare.

2010-06-28  Martin Jambor  <mjambor@suse.cz>

        * tree-sra.c (convert_callers): New parameter, change fndecls of
        recursive calls.
        (modify_function): Pass the old decl to convert_callers.

2010-06-28  Martin Jambor  <mjambor@suse.cz>

        * ipa-cp.c (ipcp_init_cloned_node): Replace calls to
        ipa_check_create_node_params and ipa_initialize_node_params with
        checking asserts they are not necessary.

2010-06-28  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/44687
        * ipa-split.c (split_function): Use DECL_RESULT to store return value.

2010-06-28  Martin Jambor  <mjambor@suse.cz>

        PR c++/44535
        * gimple-fold.c (get_first_base_binfo_with_virtuals): New function.
        (gimple_get_relevant_ref_binfo): Use get_first_base_binfo_with_virtuals
        instead of BINFO_BASE_BINFO.

2010-06-28  Michael Matz  <matz@suse.de>

        PR middle-end/44592
        * gimple-fold.c (gimplify_and_update_call_from_tree): Maintain
        proper VDEF chain for intermediate stores in the sequence.

2010-06-28  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/44357
        * ipa-inline.c (add_new_edges_to_heap): Do not add edges to
        uninlinable functions.

2010-06-28  Philipp Tomsich  <philipp.tomsich@theobroma-systems.com>

        * config.gcc (powerpc*-*-*): Handle titan.
        * config/rs6000/rs6000.c (titan_cost): New costs.
        (rs6000_override_options): Add "titan" to processor_target_table.
        Add Titan to branch alignment logic.
        Correctly set rs6000_cost for titan.
        * config/rs6000/rs6000.md (cpu): Add titan.  Include "titan.md".
        * config/rs6000/titan.md: New file.
        * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mcpu=titan.

2010-06-28  Nathan Froyd  <froydnj@codesourcery.com>

        * tree-browser.c (TB_history_stack): Convert to a VEC.
        (TB_SET_HEAD): Adjust for new type of TB_history_stack.
        (TB_history_prev): Likewise.

2010-06-28  Nathan Froyd  <froydnj@codesourcery.com>

        * vec.h (vec_heap_free): Add parentheses around free.

2010-06-28  Steven Bosscher  <steven@gcc.gnu.org>

        * system.h: Poison GCC_EXCEPT_H for front-end files.

        * langhooks.h (struct lang_hooks): Add eh_protect_cleanup_actions
        langhook.
        * langhooks-def.h (LANG_HOOKS_EH_PROTECT_CLEANUP_ACTIONS) New.
        Define to NULL by default.
        * except.h: Define GCC_EXCEPT_H.
        (doing_eh): Remove prototype.
        (init_eh, init_eh_for_function): Move prototypes to toplev.h.
        (lang_protect_cleanup_actions): Remove.
        * except.c (lang_protect_cleanup_actions): Remove.
        (doing_eh): Remove.
        (gen_eh_region): Don't check doing_eh here.
        * toplev.h (init_eh, init_eh_for_function_): Moved from except.h.
        * tree-eh.c (honor_protect_cleanup_actions): Use new langhook
        instead of lang_protect_cleanup_actions.
        * omp-low.c (maybe_catch_exception): Likewise.
        * Makefile.in: Update dependencies.

2010-06-28  Bingfeng Mei  <bmei@broadcom.com>

        * cgraph.h (struct varpool_node): new used_from_object_file flag.
        (struct cgraph_local_info): new used_from_object_file flag.
        * cgraph.c (dump_cgraph_node): dump used_from_object_file flag.
        (cgraph_clone_node): initialize used_from_object_file.
        (cgraph_create_virtual_clone): initialize used_from_object_file.
        * lto-symbtab.c (lto_symtab_merge_decls_1): Set
        used_from_object_file flags for symbols of LDPR_PREVAILING_DEF
        when compiling with -fwhole-program.
        (lto_symtab_resolve_symbols) Use LDPR_PREVAILING_DEF_IRONLY for
        internal resolver.
        * ipa.c (function_and_variable_visibility): Set externally_visible
        flag of varpool_node if used_from_object_file flag is set.
        (cgraph_externally_visible_p): check used_from_object_file flag.
        * doc/invoke.texi (-fwhole-program option): Change description of
        externally_visible attribute accordingly.
        * doc/extend.texi (externally_visible): Ditto.

2010-06-27  Jan Hubicka  <jh@suse.cz>

        * params.def (max-inline-insns-auto): Default to 40.
        * doc/invoke.texi (max-inline-insns-auto): Document the change.

2010-06-27  Jan Hubicka  <jh@suse.cz>

        PR middle-end/44671
        PR middle-end/44686
        * tree.c (build_function_decl_skip_args): Clear DECL_BUILT_IN on
        signature change.
        * ipa-split.c (split_function): Always clear DECL_BUILT_IN.
        * ipa-prop.c (ipa_modify_formal_parameters): Likewise.

2010-06-27  Anatoly Sokolov  <aesok@post.ru>

        * target.h (struct gcc_target): Add register_move_cost field.
        * target-def.h (TARGET_REGISTER_MOVE_COST): New.
        (TARGET_INITIALIZER): Use TARGET_REGISTER_MOVE_COST.
        * targhooks.c (default_register_move_cost): New function.
        * targhooks.h (default_register_move_cost): Declare function.
        * defaults.h (REGISTER_MOVE_COST): Delete.
        * ira-int.h (ira_register_move_cost): Update comment.
        * ira.c (ira_register_move_cost): Update comment.
        * reload.h (register_move_cost): Declare.
        * reginfo.c (register_move_cost): New function.
        (move_cost): Update comment.
        (init_move_cost, memory_move_secondary_cost): Replace
        REGISTER_MOVE_COST with register_move_cost.
        * postreload.c (reload_cse_simplify_set): (Ditto.).
        * reload.c (find_valid_class, find_reloads): (Ditto.).
        * reload1.c (choose_reload_regs): (Ditto.).
        * doc/tm.texi (TARGET_REGISTER_MOVE_COST): New.
        (REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Update documentation.
        * doc/md.texi (can_create_pseudo_p): Update documentation.

        * config/i386/i386.h (MEMORY_MOVE_COST): Remove macro.
        * config/i386/i386-protos.h (int ix86_memory_move_cost): Remove.
        * config/i386/i386.h (ix86_memory_move_cost): Make static.
        (TARGET_MEMORY_MOVE_COST): Define.

        * config/ia64/ia64.h (MEMORY_MOVE_COST): Remove macro.
        * config/ia64/ia64-protos.h (int ia64_memory_move_cost): Remove.
        * config/ia64/ia64.h (ia64_memory_move_cost): Make static.
        (TARGET_MEMORY_MOVE_COST): Define.

2010-06-27  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44683
        * tree-ssa-dom.c (record_edge_info): Record equivalences for the
        false edge from the inverted condition.

2010-06-27  Richard Guenther  <rguenther@suse.de>

        PR middle-end/44684
        * tree-ssa-alias.c (refs_may_alias_p_1): Allow SSA name refs.
        (stmt_may_clobber_ref_p_1): Do not bother to call the oracle
        for register LHS.  Or non-store assignments.

2010-06-26  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sparc.c (sparc_emit_set_const32): Make static.
        (sparc_emit_set_const64): Likewise.  Remove disabled code.
        * config/sparc/sparc-protos.h (sparc_emit_set_const32): Delete.
        (sparc_emit_set_const64): Likewise.

2010-06-26  Catherine Moore  <clm@codesourcery.com>

        * config/mips/mips.md (alu_type): New attribute.
        (type): Infer type from alu_type.
        (*add<mode>3, *add<mode>3_mips16, *addsi3_extended,
        *baddu_si_eb, *baddu_si_el, *baddu_di, sub<mode>3,
        *subsi3_extended, negsi2, negdi2, *low<mode>,
        *low<mode>_mips16, *ior<mode>3, *ior<mode>3_mips16,
        xor<mode>3, *nor<mode>3,
        *zero_extend<GPR:mode>_trunc<SHORT:mode>,
        *zero_extendhi_truncqi):  Set alu_type instead of type.

2010-06-26  Douglas B Rupp  <rupp@gnat.com>

        * config/alpha/alpha.c (alpha_need_linkage): Adjust
        splay_tree_new_ggc call.
        (alpha_use_linkage): Likewise.

2010-06-26  Joseph Myers  <joseph@codesourcery.com>

        * collect2.c (main): Remove SWITCHES_NEED_SPACES conditional.
        * doc/tm.texi (SWITCHES_NEED_SPACES): Don't document.
        * gcc.c (SWITCHES_NEED_SPACES, switches_need_spaces): Remove.
        (static_specs): Remove switches_need_spaces.
        (process_command, do_self_spec): Hardcode handling "-o" instead of
        checking switches_need_spaces.
        * system.h (SWITCHES_NEED_SPACES): Poison.

2010-06-26  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44393
        * tree-loop-distribution.c (generate_loops_for_partition): Fix
        stmt removal and VOP renaming.
        (generate_memset_zero): Remove redundant stmt updating.
        * tree-flow.h (mark_virtual_ops_in_bb): Remove.
        * tree-cfg.c (mark_virtual_ops_in_bb): Likewise.

2010-06-26  Jan Hubicka  <jh@suse.cz>

        * ipa-split.c (consider_split): PHI in entry block is OK as long as all
        edges comming from header are equivalent.
        (visit_bb): Handle PHIs correctly.
        * tree-inline.c (copy_phis_for_bb): Be able to copy
        PHI from entry edge.
        (copy_cfg_body): Produce edge from entry BB before copying PHIs.

2010-06-26  Richard Guenther  <rguenther@suse.de>

        PR middle-end/44674
        * tree-ssa-alias.c (refs_may_alias_p_1): Allow all kind of
        decls.  Handle LABEL_DECLs like FUNCTION_DECLs.

2010-06-26  Joseph Myers  <joseph@codesourcery.com>

        * gcc.c (n_switches_alloc, n_infiles_alloc, alloc_infile,
        add_infile, alloc_switch): New.
        (process_command): Remove variable lang_n_infiles.  Process
        options in a single pass.  Use new functions for allocating
        infiles and switches arrays.  Properly skip operands of
        -Xpreprocessor and -Xassembler.

2010-06-26  Jan Hubicka  <jh@suse.cz>

        PR middle-end/44671
        * cgraphunit.c (cgraph_function_versioning): Remove wrong
        cgraph_make_decl_local call; fix typo copying RTL data.

2010-06-25  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c-protos.h (m32c_note_pragma_address): Declare.
        (m32c_output_aligned_common): Likewise.
        * config/m32c/m32c.h (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
        (ASM_OUTPUT_ALIGNED_DECL_LOCAL): New.
        * config/m32c/m32c-pragma.c (m32c_pragma_address): New.
        (m32c_register_pragmas): Register it.
        * config/m32c/m32c.c (m32c_get_pragma_address): New.
        (m32c_insert_attributes): Set #pragma address decls volatile.
        (pragma_entry_eq): New.
        (pragma_entry_hash): New.
        (m32c_note_pragma_address): New.
        (m32c_get_pragma_address): New.
        (m32c_output_aligned_common): New.
        * doc/extend.texi: Document the new pragma.

        * config/m32c/m32c.c (m32c_illegal_subreg_p): Reject illegal MEMs
        also.
        * config/m32c/predicates.md (m32c_any_operand): Check the code
        instead of memory_operand so as to allow matching volatile MEMs.
        (m32c_nonimmediate_operand): Likewise.
        (mra_operand): Allow volatiles.

2010-06-25  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/44610
        * simplify-rtx.c (delegitimize_mem_from_attrs): Don't use a base
        address if the offset is unknown.

2010-06-25  Douglas B Rupp  <rupp@gnat.com>

        * dwarf2out.c (dwarf2out_vms_debug_main_pointer): New function.
        * dwarf2out.h (dwarf2out_vms_debug_main_pointer): Declare new function.
        * config/ia64/ia64-protos.h (ia64_start_function): Declare.
        * config/ia64/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Move contents
        to ia64_start_function. Invoke it.
        * config/ia64/ia64.c (ia64_start_function): Call new function
        dwarf2out_vms_debug_main_pointer.

2010-06-25  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c (insert_gimplified_predicates): Do not insert
        statements computing the true predicate.

2010-06-25  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c (init_bb_predicate): Initialize the predicate
        to boolean_true_node.
        (reset_bb_predicate): New.
        (predicate_bbs): Call reset_bb_predicate.

2010-06-25  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c (combine_blocks): Remove FIXME comment.
        (tree_if_conversion): Returns true when something has been changed.
        (main_tree_if_conversion): Return TODO_cleanup_cfg when if-conversion
        changed something.

2010-06-25  Sebastian Pop  <sebastian.pop@amd.com>

        * Makefile.in (tree-if-conv.o): Depends on DBGCNT_H.
        * dbgcnt.def (if_conversion_tree): New DEBUG_COUNTER.
        * tree-if-conv.c: Include dbgcnt.h.
        (tree_if_conversion): Use if_conversion_tree to count the number of
        if-convertible loops.

2010-06-25  Changpeng Fang  <changpeng.fang@amd.com>

        * common.opt (fprefetch-loop-arrays): Re-define
        -fprefetch-loop-arrays as a tri-state option with the initial
        value of -1.
        * tree-ssa-loop.c (gate_tree_ssa_loop_prefetch): Invoke prefetch
        pass only when flag_prefetch_loop_arrays > 0.
        * toplev.c (process_options): Note that, with tri-states,
        flag_prefetch_loop_arrays>0 means prefetching is enabled.
        * config/i386/i386.c (override_options): Enable prefetching at -O3
        for a set of CPUs that sw prefetching is helpful.
        (software_prefetching_beneficial_p): New.  Return TRUE if software
        prefetching is beneficial for the given CPU.

2010-06-25  H.J. Lu  <hongjiu.lu@intel.com>

        PR rtl-optimization/44326
        * implicit-zee.c (find_removable_zero_extends): Replace
        INSN_P with NONDEBUG_INSN_P.

2010-06-25  Martin Jambor  <mjambor@suse.cz>

        * ipa-prop.h (struct ipa_param_descriptor): Removed the modified flag.
        (struct ipa_node_params): Removed the modification_analysis_done flag.
        (ipa_is_param_modified): Removed.
        (ipa_analyze_node): Declare.
        (ipa_compute_jump_functions): Remove declaration.
        (ipa_count_arguments): Likewise.
        (ipa_detect_param_modifications): Likewise.
        (ipa_analyze_params_uses): Likewise.
        * ipa-prop.c (struct param_analysis_info): New type.
        (visit_store_addr_for_mod_analysis): Removed.
        (visit_load_for_mod_analysis): Renamed to visit_ref_for_mod_analysis,
        moved down in the file.
        (ipa_detect_param_modifications): Merged into ipa_analyze_params_uses.
        (ipa_count_arguments): Made static.
        (mark_modified): New function.
        (is_parm_modified_before_call): New function.
        (compute_pass_through_member_ptrs): New parameter parms_info, call
        is_parm_modified_before_call instead of ipa_is_param_modified.
        (ipa_compute_jump_functions_for_edge): New parameter parms_info, pass
        it to compute_pass_through_member_ptrs.
        (ipa_compute_jump_functions): New parameter parms_info, pass it to
        ipa_compute_jump_functions_for_edge.  Call ipa_initialize_node_params
        on the callee if it is analyzed.  Made static.
        (ipa_analyze_indirect_call_uses): New parameter parms_info, call
        is_parm_modified_before_call instead of ipa_is_param_modified.
        (ipa_analyze_call_uses): New parameter parms_info, pass it to
        ipa_analyze_indirect_call_uses.
        (ipa_analyze_stmt_uses): New parameter parms_info, pass it to
        ipa_analyze_call_uses.
        (ipa_analyze_params_uses): New parameter parms_info, pass it to
        ipa_analyze_stmt_uses.  Also perform the used analysis.  Made static.
        (ipa_analyze_node): New function.
        (ipa_print_node_params): Do not dump the modified flag.
        (ipa_write_node_info): Assert uses_analysis_done rather than streaming
        it.  Do not stream the modified parameter flag.
        (ipa_read_node_info): Set uses_analysis_done to 1 instead of streaming
        it.  Do not stream the modified parameter flag.
        * ipa-cp.c (ipcp_analyze_node): Removed.
        (ipcp_init_stage): Iterate only once over the nodes, analyze each one
        with only a call to ipa_analyze_node.
        * ipa-inline.c (inline_indirect_intraprocedural_analysis): Analyze the
        node with only a call to ipa_analyze_node.

2010-06-25  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * doc/invoke.texi (-Wsuggest-attribute): Add item for noreturn.

2010-06-25  Jan Hubicka  <jh@suse.cz>

        * tree-pass.h (pass_split_functions): Declare.
        * opts.c (decode_options): Enable function splitting at -O2
        * timevar.def (TV_IPA_FNSPLIT): New macro.
        * ipa-split.c: New file.
        * common.opt (-fpartial-inlining): New flag.
        * Makefile.in (ipa-split.o): New object file.
        * passes.c (init_optimization_passes): Add ipa-split.
        * params.def (partial-inlining-entry-probability): New parameters.
        * doc/invoke.texi (-fpartial-inlining): New.

2010-06-25  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR 44665
        * tree-inline.c (gimple_expand_calls_inline): Fix typo in comment.
        * gimplify.c (is_gimple_reg_rhs_or_call): Likewise.
        (gimplify_expr): Likewise.

2010-06-25  Martin Jambor  <mjambor@suse.cz>

        * ipa-prop.c (determine_cst_member_ptr): Ignore non-clobbering
        statements instead of bailing out on them.
        (ipa_analyze_indirect_call_uses): Do not require that loads from the
        parameter are in the same BB as the condition.  Update comments.

2010-06-25  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/43866
        * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): If stmt is always
        true or always false, return NULL_TREE.
        (tree_unswitch_single_loop): Optimize conditions even when reaching
        max-unswitch-level parameter.  If num > 0, optimize first all conditions
        using entry checks, then do still reachable block discovery and consider
        only conditions in still reachable basic blocks in the loop.

        PR tree-optimization/44539
        * tree-cfgcleanup.c (fixup_noreturn_call): Call update_stmt even when
        the call doesn't have LHS, but has VDEF.

2010-06-25  Joseph Myers  <joseph@codesourcery.com>

        * config/pa/pa.h (MODIFY_TARGET_NAME): Remove.
        * doc/tm.texi (MODIFY_TARGET_NAME): Don't document.
        * gcc.c (enum add_del, struct modify_target, modify_target): Remove.
        (process_command): Remove code conditional on MODIFY_TARGET_NAME.
        * system.h (MODIFY_TARGET_NAME): Poison.

2010-06-25  Alan Modra  <amodra@gmail.com>

        * doc/invoke.texi: Delete mcmodel=medium from powerpc options.
        * config/rs6000/rs6000.h (enum rs6000_cmodel): Delete CMODEL_MEDIUM.
        * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
        CMODEL_LARGE as default.
        * config/rs6000/rs6000.c (rs6000_handle_option): Remove mcmodel=medium.
        (offsettable_ok_by_alignment): Delete.
        (rs6000_emit_move): Remove mcmodel=medium optimization.

2010-06-25  Bernd Schmidt  <bernds@codesourcery.com>

        With large parts from Jim Wilson:
        PR target/43902
        * tree-pretty-print.c (dump_generic_node, op_code_prio): Add
        WIDEN_MULT_PLUS_EXPR and WIDEN_MULT_MINUS_EXPR.
        * optabs.c (optab_for_tree_code): Likewise.
        (expand_widen_pattern_expr): Likewise.
        * tree-ssa-math-opts.c (convert_mult_to_widen): New function, broken
        out of execute_optimize_widening_mul.
        (convert_plusminus_to_widen): New function.
        (execute_optimize_widening_mul): Use the two new functions.
        * expr.c (expand_expr_real_2): Add support for GIMPLE_TERNARY_RHS.
        Remove code to generate widening multiply-accumulate.  Add support
        for WIDEN_MULT_PLUS_EXPR and WIDEN_MULT_MINUS_EXPR.
        * gimple-pretty-print.c (dump_ternary_rhs): New function.
        (dump_gimple_assign): Call it when appropriate.
        * tree.def (WIDEN_MULT_PLUS_EXPR, WIDEN_MULT_MINUS_EXPR): New codes.
        * cfgexpand.c (gimple_assign_rhs_to_tree): Likewise.
        (expand_gimple_stmt_1): Likewise.
        (expand_debug_expr): Support WIDEN_MULT_PLUS_EXPR and
        WIDEN_MULT_MINUS_EXPR.
        * tree-ssa-operands.c (get_expr_operands): Likewise.
        * tree-inline.c (estimate_operator_cost): Likewise.
        * gimple.c (extract_ops_from_tree_1): Renamed from
        extract_ops_from_tree.  Add new arg for a third operand; fill it.
        (gimple_build_assign_stat): Support operations with three operands.
        (gimple_build_assign_with_ops_stat): Likewise.
        (gimple_assign_set_rhs_from_tree): Likewise.
        (gimple_assign_set_rhs_with_ops_1): Renamed from
        gimple_assign_set_rhs_with_ops.  Add new arg for a third operand.
        (get_gimple_rhs_num_ops): Support GIMPLE_TERNARY_RHS.
        (get_gimple_rhs_num_ops): Handle WIDEN_MULT_PLUS_EXPR and
        WIDEN_MULT_MINUS_EXPR.
        * gimple.h (enum gimple_rhs_class): Add GIMPLE_TERNARY_RHS.
        (extract_ops_from_tree_1): Adjust declaration.
        (gimple_assign_set_rhs_with_ops_1): Likewise.
        (gimple_build_assign_with_ops): Pass NULL for last operand.
        (gimple_build_assign_with_ops3): New macro.
        (gimple_assign_rhs3, gimple_assign_rhs3_ptr, gimple_assign_set_rhs3,
        gimple_assign_set_rhs_with_ops, extract_ops_from_tree): New inline
        functions.
        * tree-cfg.c (verify_gimple_assign_ternary): New static function.
        (verify_gimple_assign): Call it.
        * doc/gimple.texi (Manipulating operands): Document GIMPLE_TERNARY_RHS.
        (Tuple specific accessors, subsection GIMPLE_ASSIGN): Document new
        functions for dealing with three-operand statements.
        * tree.c (commutative_ternary_tree_code): New function.
        * tree.h (commutative_ternary_tree_code): Declare it.
        * tree-vrp.c (gimple_assign_nonnegative_warnv_p): Return false for
        ternary statements.
        (gimple_assign_nonzero_warnv_p): Likewise.
        * tree-ssa-sccvn.c (stmt_has_constants): Handle GIMPLE_TERNARY_RHS.
        * tree-ssa-ccp.c (get_rhs_assign_op_for_ccp): New static function.
        (ccp_fold): Use it.  Handle GIMPLE_TERNARY_RHS.
        * tree-ssa-dom.c (enum expr_kind): Add EXPR_TERNARY.
        (struct hashtable_expr): New member ternary in the union.
        (initialize_hash_element): Handle GIMPLE_TERNARY_RHS.
        (hashable_expr_equal_p): Fix indentation.  Handle EXPR_TERNARY.
        (iterative_hash_hashable_expr): Likewise.
        (print_expr_hash_elt): Handle EXPR_TERNARY.
        * gimple-fold.c (fold_gimple_assign): Handle GIMPLE_TERNARY_RHS.
        * tree-ssa-threadedge.c (fold_assignment_stmt): Remove useless break
        statements.  Handle GIMPLE_TERNARY_RHS.

2010-06-25  Jan Hubicka  <jh@suse.cz>

        * doc/invoke.texi (-Wsuggest-attribute): Add noreturn.

2010-06-25  Shujing Zhao  <pearly.zhao@oracle.com>

        PR c/44517
        * c-parser.c (c_parser_parms_list_declarator): Return NULL if one of
        parameters are not good.
        (c_parser_parameter_declaration): Error unknown type name if the type
        name can't start declaration specifiers.

2010-06-25  Joseph Myers  <joseph@codesourcery.com>

        * gcc.c (translate_options): Don't mention +e in comment.
        (process_command): Don't handle +e specially.

2010-06-25  Bernd Schmidt  <bernds@codesourcery.com>

        * ira.c (allocno_pool, copy_pool, allocno_live_range_pool): Delete.

        * ira-build.c (merge_hard_reg_conflicts): New function.
        (create_cap_allocno, copy_info_to_removed_store_destinations,
        propagate_some_info_from_allocno, propagate_allocno_info): Use it.
        (move_allocno_live_ranges, copy_allocno_live_ranges): New functions.
        (remove_unnecessary_allocnos, remove_low_level_allocnos)
        copy_nifo_to_removed_store_destination): Use them.
        * ira-lives.c (make_hard_regno_born): New function, split out of
        make_regno_born.
        (make_allocno_born): Likewise.
        (make_hard_regno_dead): New function, split out of make_regno_dead.
        (make_allocno_dead): Likewise.
        (inc_register_pressure): New function, split out of set_allocno_live.
        (dec_register_pressure): New function, split out of clear_allocno_live.
        (mark_pseudo_regno_live): New function, split out of mark_reg_live.
        (mark_hard_reg_live): Likewise.  Use inc_register_pressure.
        (mark_pseudo_regno_dead): New function, split out of mark_reg_dead.
        (mark_hard_reg_dead): Likewise.  Use dec_register_pressure.
        (make_pseudo_conflict): Use mark_pseudo_regno_dead and
        mark_pseudo_regno_live.
        (process_bb_node_lives): Use mark_pseudo_regno_live,
        make_hard_regno_born and make_allocno_dead.
        (make_regno_born, make_regno_dead, mark_reg_live, mark_reg_dead,
        set_allocno_live, clear_allocno_live): Delete functions.

        * ira-int.h (ira_parent_allocno, ira_parent_or_cap_allocno): Declare.
        * ira-build.c (ira_parent_allocno, ira_parent_or_cap_allocno): New
        functions.
        (ira_flattening): Use ira_parent_allocno.
        * ira-conflicts.c (process_regs_for_copy, propagate_copies)
        build_allocno_conflicts): Use ira_parent_or_cap_allocno.

        * ira-color.c (assign_hard_reg): Improve formatting of multi-line for
        statement.

        * ira-int.h (SET_MINMAX_SET_BIT, CLEAR_MINMAX_SET_BIT,
        TEST_MINMAX_SET_BIT, minmax_set_iterator, minmax_set_iter_init,
        minmax_set_iter_cond, minmax_set_iter_next,
        FOR_EACH_BIT_IN_MINMAX_SET): Renamed from SET_ALLOCNO_SET_BIT,
        CLEAR_ALLOCNO_SET_BIT, TEST_ALLOCNO_SET_BIT, ira_allocno_set_iterator,
        ira_allocno_set_iter_init, ira_allocno_set_iter_cond,
        ira_allocno_set_iter_Next and FOR_EACH_ALLOCNO_IN_ALLOCNO_SET.  All
        uses changed.

        * ira-int.h (struct live_range, live_range_t): Renamed from struct
        ira_allocno_live_range and allocno_live_range_t; all uses changed.
        * ira-build.c (live_range_pool): Renamed from allocno_live_range_pool.
        All uses changed.

2010-06-24  Richard Earnshaw  <rearnsha@arm.com>

        * thumb2.md (thumb2_tlobits_cbranch): Delete.
        (peephole2 to convert zero_extract/compare of single bit to
         lshift/compare): New.

2010-06-24  Anatoly Sokolov  <aesok@post.ru>

        * fold-const.c (const_binop): Remove 'notrunc' argement. Adjust
        recursive call and call to 'int_const_binop'.
        (build_range_check, fold_cond_expr_with_comparison, unextend,
        fold_truthop, extract_muldiv_1, fold_comparison, fold_binary_loc,
        multiple_of_p): Adjust call to const_binop.

2010-06-24  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (XFmode push splitter): Use GET_MODE_SIZE to
        determine size of XFmode operand.
        (XFmode extended DFmode push splitter): Ditto.
        (XFmode extended SFmode push splitter): Ditto.

2010-06-24  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/44588
        * config/i386/i386.md (extract_code): New.
        (<u>divmodqi4): Likewise.
        (divmodhiqi3): Likewise.
        (udivmodhiqi3): Likewise.
        (<u>divqi3): Remvoved.

2010-06-24  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/44492
        * recog.h (struct recog_data): Add is_asm field.
        * recog.c (asm_operand_ok, constrain_operands): If neither < nor > is
        present in constraints of inline-asm operand and memory operand
        contains {PRE,POST}_{INC,DEC,MODIFY}, return 0.
        (extract_insn): Initialize recog_data.is_asm.
        * doc/md.texi (Constraints): Document operand side-effect rules.

2010-06-24  Andi Kleen  <ak@linux.intel.com>

        * c-parser.c (c_parser_conditional_expression): Call
        warn_for_omitted_condop.
        * doc/invoke.texi: Document omitted condop warning.

2010-06-24  Nick Clifton<nickc@redhat.com>

        * loop-unswitch.c (compare_and_jump_seq): Assert that the last
        insn in the sequence is a jump insn before setting its label.

2010-06-24  Alan Modra  <amodra@gmail.com>

        * collect2.c (main): Match exactly --version and --help.

2010-06-24  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c-pragma.c: Don't include rtl.h.

2010-06-23  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (mov<mode>): Macroize expander from mov{sf,df,xf}
        using X87MODEF mode iterator.
        (pushsf splitter): Macroize splitter using P mode iterator.
        (*swap<mode>): Macroize insn from *swap{sf,df} using MODEF
        mode iterator.

        (*movxf_internal): Rename from *movxf_integer.
        (*movxf_internal_nointeger): Rename from *movxf_nointeger.
        (*movdf_internal_rex64): Rename from *movdf_integer_rex64.
        (*movdf_internal): Rename from *movdf_integer.
        (*movdf_internal_nointeger): Rename from *movdf_nointeger.
        (*movsf_internal): Rename from *movdf_1.

2010-06-23  Basile Starynkevitch  <basile@starynkevitch.net>

        * coretypes.h (gimple_seq_node_d, gimple_seq_node)
        (const_gimple_seq_node): Removed typedefs.

        * gimple.h (gimple_seq_node_d, gimple_seq_node)
        (const_gimple_seq_node): Added typedefs moved from coretypes.h.

2010-06-23  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (bdesc_args): Replace CODE_FOR_avx_si_si256,
        CODE_FOR_avx_ps_ps256 and CODE_FOR_avx_pd_pd256 with
        CODE_FOR_vec_extract_lo_v8si, CODE_FOR_vec_extract_lo_v8sf
        and CODE_FOR_vec_extract_lo_v4df.

        * config/i386/sse.md (vec_extract_lo_<AVX256MODE4P:mode>):
        Changed to define_insn_and_split.
        (vec_extract_lo_<AVX256MODE8P:mode>): Likewise.
        (vec_extract_lo_v16hi): Likewise.
        (vec_extract_lo_v32qi): Likewise.
        (avx_<avxmodesuffixp><avxmodesuffix>_<avxmodesuffixp>): Likewise.
        (avx_<avxmodesuffixp>_<avxmodesuffixp><avxmodesuffix>): Removed.

2010-06-23  Joern Rennecke  <joern.rennecke@embecosm.com>

        PR target/44640
        * config/spu/spu-protos.h (spu_expand_epilogue) Use bool.
        * config/spu/spu.c (spu_scalar_mode_supported_p): Declare with bool.
        (spu_vector_mode_supported_p, spu_handle_fndecl_attribute): Likewise.
        (spu_handle_vector_attribute, spu_pass_by_reference): Likewise.
        (spu_rtx_costs, spu_function_ok_for_sibcall): Likewise.

        PR target/44640
        * config/spu/spu.c (ea_load_store_inline): Use add_reg_note.

        PR other/44644
        * df-core.c (struct df): Rename to df_d.
        * df.h (struct df): Likewise.
        * dse.h (struct df): Remove forward declaration.
        * recog.h (struct insn_data): Rename to:
        (struct_insn_data_d).  Adjusted all users.

2010-06-23  Arnaud Charlet  <charlet@adacore.com

        PR ada/22220
        * doc/install.texi: Update requirements to build GNAT.

2010-06-22  Andreas Schwab  <schwab@linux-m68k.org>

        * config/m68k/m68k.c (m68k_output_addr_const_extra): Add cast to
        enum type.
        (m68k_sched_attr_opx_type): Remove unreachable return.
        (m68k_sched_attr_opy_type): Likewise.
        (m68k_sched_attr_size): Likewise.
        (sched_get_opxy_mem_type): Likewise.
        (m68k_sched_attr_op_mem): Likewise.

2010-06-22  Eric Botcazou  <ebotcazou@adacore.com>

        * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Chain the
        new statement and adjust VDEF only if necessary.  Remove superfluous
        call to maybe_clean_or_replace_eh_stmt.
        * gimple.c (gimple_call_copy_skip_args): Use gimple_call_copy_flags to
        copy the flags.
        * gimple-iterator.c (gsi_replace): Clear BB of old statement here...
        * tree-inline.c (copy_bb): ...and not there.

2010-06-22  Cary Coutant  <ccoutant@google.com>

        * dwarf2out.c (is_nested_in_subprogram): New function.
        (should_move_die_to_comdat): Use it.
        (copy_ancestor_tree): Don't mark DIEs here.
        (copy_decls_walk): Start walk from root of newly-added tree;
        mark DIEs here instead.

2010-06-22  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.md (unit): Also check sseishft1.

2010-06-22  Jan Hubicka  <jh@suse.cz>

        * gimple.h (gimple_expr_code): Do checking on when gimple checking is
        enabled.

2010-06-22  Jan Hubicka  <jh@suse.cz>

        * df-problems.c (df_rd_confluence_n, df_lr_confluence_n,
        df_live_confluence_n, df_byte_lr_confluence_n, df_md_confluence_n):
        Return true if something changed.
        * df.h (df_confluence_function_n): Return bool.
        * df-core.c (df_worklist_propagate_forward,
        df_worklist_propagate_backward): Track changes and ages.
        (df_worklist_dataflow_doublequeue): Use bitmap iterator for main walk;
        track ages.
        * dse.c (dse_confluence_n): Return always true.

2010-06-22  Jan Hubicka  <jh@suse.cz>

        * bitmap.c (bitmap_clear_bit): Micro optimize.

2010-06-22  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (SWI1248x): New mode iterator.
        (SWI48x): Ditto.
        (SWI12): Ditto.
        (SWI24): Ditto.

        (mov<mode>): Macroize expander from mov{qi,hi,si,di} using
        SWI1248x mode iterator.
        (*push<mode>2_rex64): Macroize insn from *push{qi,hi,si}_rex64
        using SWI124 mode iterator.
        (*push<mode>2): Macroize insn from *push{qi,hi} using SWI12
        mode iterator.
        (*push<mode>2_prologue): Macroize insn from  *pushsi2_prologue and
        *pushdi2_prologue_rex64 using P mode iterator.
        (*mov<mode>_xor): Macroize insn from *movsi_xor and *movdi_xor_rex64
        using SWI48 mode iterator.
        (*mov<mode>_or): Ditto from *movsi_or and *movdi_or_rex64.
        (*movabs<mode>_1): Macroize insn from *movabs{qi,hi,si,di}_1_rex64
        using SWI1248x mode iterator.
        (*movabs<mode>_2): Ditto from *movabs{qi,hi,si,di}_1_rex64.
        (*swap<mode>): Macroize insn from *swapsi and *swapdi_rex64 using
        SWI48 mode iterator.
        (*swap<mode>_1): Macroize insn from *swap{qi,hi}_1 using SWI12 mode
        iterator.
        (*swap<mode>_2): Ditto from *swap{qi,hi}_2.
        (movstrict<mode>): Macroize expander from movstrict{qi,hi} using
        SWI12 mode iterator.
        (*movstrict<mode>_1): Macroize insn from *movstrict{qi,hi}_1 using
        SWI12 mode iterator.
        (*movstrict<mode>_xor): Ditto from *movstrict{qi,hi}_xor.
        (*mov<mode>_extv_1): Macroize insn from *mov{hi,si}_extv_1 using
        SWI24 mode iterator.
        (*mov<mode>_extzv_1): Macroize insn from *mov{si,di}_extzv_1 using
        SWI48 mode iterator.
        (mov<mode>_insn_1): New expander.
        (*mov<mode>_insv_1_rex64): Macroize insn from *mov{si,di}_insv_1_rex64
        using SWI48x mode iterator.

        (*movoi_internal_avx): Rename from *movoi_internal.
        (*movti_internal_rex64): Rename from *movti_rex64.
        (*movti_internal_sse): Rename from *movti_sse.
        (*movdi_internal_rex64): Rename from *movdi_1_rex64.
        (*movdi_internal): Rename from *movdi_2.
        (*movsi_internal): Rename from *movsi_1.
        (*movhi_internal): Rename from *movhi_1.
        (*movqi_internal): Rename from *movqi_1.

        (insv): Update the call to gen_movsi_insv_1 for rename.
        * config/i386/i386.c (promote_duplicated_reg): Ditto.

2010-06-22  Jan Hubicka  <jh@suse.cz>

        * passes.c (execute_function_todo): Move call of statistics_fini_pass
        to ...
        (execute_todo) ... this one.

2010-06-22  Alan Modra  <amodra@gmail.com>

        PR target/44364
        * config/rs6000/e500.h (HARD_REGNO_CALLER_SAVE_MODE): Define.
        * caller-save.c (insert_restore, insert_save): Use non-validate
        form of adjust_address.

2010-06-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/39690
        * config/pa/pa.c (override_options): Disable
        -freorder-blocks-and-partition.

2010-06-21  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/44615
        * config/i386/atom.md (atom_sseishft_2): Also check sseishft1.

        * config/i386/i386.md (type): Add sseishft1

        * config/i386/ppro_insn (ppro_insn): Also check sseishft1.
        (ppro_insn_load): Likewise.
        (ppro_insn_store): Likewise.
        (ppro_insn_both): Likewise.

        * config/i386/sse.md (sse2_lshrv1ti3): Add atom_unit.
        (*vec_extractv2di_1_rex64_avx): Replace sseishft with sseishft1
        for type.
        (*vec_extractv2di_1_avx): Likewise.
        (*vec_extractv2di_1_rex64): Replace sseishft with sseishft1 for
        type.  Remove atom_unit.
        (*vec_extractv2di_1_sse2): Likewise.

2010-06-21  DJ Delorie  <dj@redhat.com>

        * diagnostic.h (diagnostic_classification_change_t): New.
        (diagnostic_context): Add history and push/pop list.
        (diagnostic_push_diagnostics): Declare.
        (diagnostic_pop_diagnostics): Declare.
        * diagnostic.c (diagnostic_classify_diagnostic): Store changes
        from pragmas in a history chain instead of the global table.
        (diagnostic_push_diagnostics): New.
        (diagnostic_pop_diagnostics): New.
        (diagnostic_report_diagnostic): Scan history chain to find state
        of diagnostics as of the diagnostic location.
        * opts.c (set_option): Pass UNKNOWN_LOCATION to
        diagnostic_classify_diagnostic.
        (enable_warning_as_error): Likewise.
        * diagnostic-core.h (DK_POP): Add after "real" diagnostics, for
        use in the history chain.
        * doc/extend.texi: Document pragma GCC diagnostic changes.

2010-06-21  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (add_linkage_name): New function.  Don't add
        anything to DW_TAG_member DIEs.
        (add_name_and_src_coords_attributes): Use it.
        (gen_variable_die): Call it for C++ static data members if
        specification is DW_TAG_member.

        * dwarf2out.c (base_type_die): Use DW_ATE_UTF for
        C++ char16_t and char32_t.

        * Makefile.in (build/genattrtab.o): Depend on vecprim.h.
        * genattrtab.c: Include vecprim.h.
        (cached_attrs, cached_attr_count, attrs_seen_once,
        attrs_seen_more_than_once, attrs_to_cache, attrs_cached_inside,
        attrs_cached_after): New variables.
        (find_attrs_to_cache): New function.
        (FLG_BITWISE, FLG_AFTER, FLG_INSIDE, FLG_OUTSIDE_AND): Define.
        (write_test_expr): Add attrs_cached argument, return it too,
        attempt to cache non-const attributes used more than once in
        a single case handling.
        (write_attr_get): Use find_attrs_to_cache, for caching candidates
        emit cached_* variables.  Adjust write_attr_set callers.
        (write_attr_set): Add attrs_cached attribute, use find_attrs_to_cache
        to find attributes that should be cached in this block.  Adjust
        write_test_expr callers.
        (write_attr_case): Clear attrs_to_cache.  Adjust write_attr_set
        callers.
        (make_automaton_attrs): Adjust write_test_expr caller.

        * Makefile.in (cfgexpand.o): Depend on $(INSN_ATTR_H).
        * genattrtab.c (check_tune_attr, find_tune_attr): New functions.
        (make_automaton_attrs): If find_tune_attr returns non-NULL,
        write separate internal_dfa_insn_code_* and insn_default_latency_*
        functions for each attribute's value and emit init_sched_attrs
        function and function pointers.
        * genattr.c (const_attrs, reservations): New variables.
        (gen_attr): Add const attributes to const_attrs vector.
        (check_tune_attr, find_tune_attr): New functions.
        (main): Add reservations to reservations vector.  If find_tune_attr
        returns true, add prototype for init_sched_attrs and make
        internal_dfa_insn_code and insn_default_latency function pointers,
        otherwise define init_sched_attrs as dummy macro.
        * cfgexpand.c: Include insn-attr.h.
        (gimple_expand_cfg): Call init_sched_attrs.

        * stmt.c (resolve_asm_operand_names): Fix handling of %%.

        PR target/44575
        * config/i386/i386.c (ix86_gimplify_va_arg): When copying
        va_arg from a set of register save slots into a temporary,
        if the container is bigger than type size, do the copying
        using smaller mode or using memcpy.

        PR bootstrap/44426
        * sel-sched-dump.h (sel_prepare_string_for_dot_label): Remove
        prototype.
        (sel_print_to_dot): Remove macro.
        (sel_print): Likewise.  New prototype.
        * sel-sched-dump.c (sel_prepare_string_for_dot_label): Make static.
        (sel_print): New function.

2010-06-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/sol2.h (TARGET_OS_CPP_BUILTINS): Define
        __STDC_VERSION__=199901L, _XOPEN_SOURCE=600 for C++.

2010-06-21  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.h (PTRDIFF_TYPE): Define.
        (SMALL_REGISTER_CLASS): Define (to zero).
        (PRINT_OPERAND): Delete.
        (PRINT_OPERAND_ADDRESS): Delete.
        * config/rx/rx-protos.h (rx_print_operand): Delete prototype.
        (rx_print_operand_address): Delete prototype.
        * config/rx/rx.c (rx_print_operand): Make static.
        Allow %H and %L to handle CONST_DOUBLEs.
        (rx_print_operand_address): Make static.
        (rx_gen_move_template): Rename local variable 'template' to
        out_template.
        (rx_function_arg): Do not pass unknown sized objects in registers.
        (TARGET_PRINT_OPERAND): Define.
        (TARGET_PRINT_OPERAND_ADDRESS): Define.

2010-06-21  Jan Kratochvil  <jan.kratochvil@redhat.com>

        * Makefile.in (POD2MAN): Provide --date from $(DATESTAMP).

2010-06-21  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/i386.c (ix86_compute_frame_layout): Avoid
        stack-alignment for simple leaf-functions.

2010-06-20  Alexandre Oliva  <aoliva@redhat.com>

        * doc/install.texi: Document bootstrap-lto.

2010-06-20  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/44248
        * lto-streamer-in.c (input_bb): Leave debug stmts alone.
        (input_function): Drop them here, if VTA is disabled.

2010-06-20  Uros Bizjak  <ubizjak@gmail.com>

        PR target/44546
        * config/i386/predicates.md (ix86_swapped_fp_comparsion_operator):
        New predicate.
        * config/i386/i386.md (*fp_jcc_8<mode>_387 and splitters): Use
        ix86_swapped_fp_comparsion_operator instead of
        ix86_fp_comparison_operator.

        (*fp_jcc_1_387): Rename from *fp_jcc_3_387.
        (*fp_jcc_1r_387): Rename from *fp_jcc_4_387.
        (*fp_jcc_2_387): Rename from *fp_jcc_5_387.
        (*fp_jcc_2r_387): Rename from *fp_jcc_6_387.
        (*fp_jcc_3_387): Rename from *fp_jcc_7_387.
        (*fp_jcc_4_<mode>_387): Rename from *fp_jcc_8<mode>_387.

2010-06-20  Joseph Myers  <joseph@codesourcery.com>

        PR other/32998
        * opth-gen.awk: Generate definitions of OPT_SPECIAL_unknown,
        OPT_SPECIAL_program_name and OPT_SPECIAL_input_file.
        * opts-common.c (find_opt): Return OPT_SPECIAL_unknown on failure.
        (decode_cmdline_option): Update for this return value.  Set
        orig_option_with_args_text field.  Set arg field for unknown
        options.  Make static.
        (decode_cmdline_options_to_array): New.
        (prune_options): Update handling of find_opt return value.
        * opts.c (read_cmdline_option): Take decoded option.  Return void.
        (read_cmdline_options): Take decoded options.
        (decode_options): Add parameters for decoded options.  Use
        decode_cmdline_options_to_array.  Use decoded options for -O
        scan.  Use integral_argument for -O parameters.  Update call to
        read_cmdline_options.
        (enable_warning_as_error): Update handling of find_opt return value.
        * opts.h: Update comment on unknown options.
        (struct cl_decoded_option): Update comments on opt_index and arg.
        Add orig_option_with_args_text.
        (decode_cmdline_option): Remove.
        (decode_cmdline_options_to_array): Declare.
        (decode_options): Update prototype.
        * toplev.c (save_argv): Remove.
        (save_decoded_options, save_decoded_options_count): New.
        (read_integral_parameter): Remove.
        (print_switch_values): Use decoded options.
        (toplev_main): Don't set save_argv.  Update call to decode_options.
        * toplev.h (read_integral_parameter): Remove.
        * varasm.c (elf_record_gcc_switches): Don't handle holding back names.

2010-06-19  Richard Earnshaw  <rearnsha@arm.com>

        PR target/44072
        * arm.md (cmpsi2_addneg): Prefer emitting adds to subs with a negative
        immediate.
        * constraints.md (Pw, Px): New constraints.
        * thumb2.md (cmpsi2_addneg peephole2): New peepholes.

2010-06-19  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/sse.md (fma4modesuffixf4): Removed.
        (ssemodesuffixf2s): Likewise.
        (ssemodesuffixf4): Likewise.
        (ssemodesuffixf2c): Likewise.
        (ssescalarmodesuffix2s): Likewise.
        (avxmodesuffixf2c): Likewise.
        (ssemodesuffix): New.
        (ssescalarmodesuffix): Likewise.
        Update patterns with ssemodesuffix and ssescalarmodesuffix.

2010-06-19  Philip Herron  <herron.philip@googlemail.com>

        * c-decl.c (c_write_global_declarations): Don't check flag_syntax_only.

2010-06-18  H.J. Lu  <hongjiu.lu@intel.com>

        * stor-layout.c (debug_rli): Remove unused local variables.

2010-06-18  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/40900
        * expr.c (expand_expr_real_1) <SSA_NAME>: Fix long line.  Save the
        original expression for later reuse.
        <expand_decl_rtl>: Use promote_function_mode to compute the signedness
        of the promoted RTL for a SSA_NAME on the LHS of a call statement.

2010-06-18  Anatoly Sokolov  <aesok@post.ru>

        * double-int.h (double_int_to_shwi, double_int_to_uhwi,
        double_int_fits_in_uhwi_p): Implement as static inline.
        (double_int_xor): New inline function.
        (double_int_lrotate, double_int_rrotate, double_int_max,
        double_int_umax, double_int_smax, double_int_min, double_int_umin,
        double_int_smin): Declare.
        (lrotate_double, rrotate_double): Remove declaration.
        * double-int.c (double_int_fits_in_uhwi_p, double_int_to_shwi,
        double_int_to_uhwi, lrotate_double, rrotate_double): Remove function.
        (double_int_lrotate, double_int_rrotate, double_int_max,
        double_int_umax, double_int_smax, double_int_min, double_int_umin,
        double_int_smin): New function.
        * fold-const.c (int_const_binop): Clean up, use double_int_*
        functions.
        * simplify-rtx.c (simplify_const_binary_operation): Clean up, use
        double_int_* and immed_double_int_const functions.

2010-06-18  Nathan Froyd  <froydnj@codesourcery.com>

        * function.h (types_used_by_cur_var_decl): Change type to a VEC.
        * function.c (types_used_by_cur_var_decl): Likewise.
        (used_types_insert): Adjust for new type of types_used_by_cur_var_decl.

2010-06-18  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.h (record_layout_info): Change type of pending_statics field
        to a VEC.
        * stor-layout.c (start_record_layout): Store NULL into
        pending_statics.
        (debug_rli): Call debug_vec_tree instead of debug_tree.
        (place_field): Likewise.
        (finish_record_layout): Likewise.

2010-06-18  Alan Modra  <amodra@gmail.com>

        * config/rs6000/linux64.h (SET_CMODEL): Don't expand to empty.

2010-06-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/43740
        * config/pa/pa.c (emit_move_sequence): Don't infer REG_POINTER flag
        for SET source operand from SET destination operand.

2010-06-17  Bernd Schmidt  <bernds@codesourcery.com>

        PR rtl-optimization/39871
        * reload1.c (init_eliminable_invariants): For flag_pic, disable
        equivalences only for constants that aren't LEGITIMATE_PIC_OPERAND_P.
        (function_invariant_p): Rule out a plus of frame or arg pointer with
        a SYMBOL_REF.
        * ira.c (find_reg_equiv_invariant_const): Likewise.

2010-06-17  Gunther Nikl  <gnikl@users.sourceforge.net>

        * config/rs6000/rs6000.c (print_operand) <'K'>: Also use
        print_operand_address and puts to output the operand for CONST.

2010-06-17  Jakub Jelinek  <jakub@redhat.com>

        PR debug/44572
        * dwarf2out.c (dwarf2out_debug_hooks): Add entry for begin_epilogue
        hook.

2010-06-17  Nathan Froyd  <froydnj@codesourcery.com>

        * v850-protos.h (print_operand): Delete.
        (print_operand_address): Delete.
        * v850.h (PRINT_OPERAND): Delete.
        (PRINT_OPERAND_PUNCT_VALID_P): Delete.
        (PRINT_OPERAND_ADDRESS): Delete.
        * v850.c (print_operand_address): Rename to...
        (v850_print_operand_address): ...this.  Make static. Call
        v850_print_operand.
        (print_operand): Rename to...
        (v850_print_operand): ...this.  Make static.  Call
        v850_print_operand_address.
        (v850_print_operand_punct_valid_p): New function.
        (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define.
        (TARGET_PRINT_OPERAND_PUNCT_VALID_P): Define.

2010-06-17  Nathan Froyd  <froydnj@codesourcery.com>

        * config/sh/sh-protos.h (print_operand): Delete.
        (print_operand_address): Delete.
        * config/sh/sh.h (PRINT_OPERAND): Delete.
        (PRINT_OPERAND_PUNCT_VALID_P): Delete.
        (PRINT_OPERAND_ADDRESS): Delete.
        * config/sh/sh.c (sh_print_operand_address): Make static.
        (sh_print_operand): Make static.  Call sh_print_operand_address
        and sh_print_operand.
        (sh_print_operand_punct_valid_p): New function.
        (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define.
        (TARGET_PRINT_OPERAND_PUNCT_VALID_P): Define.

2010-06-17  Nathan Froyd  <froydnj@codesourcery.com>

        * config/mcore/mcore-protos.h (mcore_print_operand): Delete.
        (mcore_print_operand_address): Delete.
        * config/mcore/mcore.h (PRINT_OPERAND): Delete.
        (PRINT_OPERAND_PUNCT_VALID_P): Delete.
        (PRINT_OPERAND_ADDRESS): Delete.
        * config/mcore/mcore.c (mcore_print_operand_address): Make static.
        (mcore_print_operand): Make static.
        (mcore_print_operand_punct_valid_p): New function.
        (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define
        (TARGET_PRINT_OPERAND_PUNCT_VALID_P): Define.

2010-06-17  Nathan Froyd  <froydnj@codesourcery.com>

        * config/m68hc11/m68hc11-protos.h (print_operand): Delete.
        (print_operand_address): Delete.
        * config/m68hc11/m68hc11.h (PRINT_OPERAND): Delete.
        (PRINT_OPERAND_ADDRESS): Delete.
        * config/m68hc11/m68hc11.c (m68hc11_print_operand_address): Make
        static.
        (m68hc11_print_operand): Make static.
        (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define.

2010-06-17  Nathan Froyd  <froydnj@codesourcery.com>

        * config/m32r/m32r-protos.h (m32r_print_operand): Delete.
        (m32r_print_operand_address): Delete.
        * config/m32r/m32r.h (m32r_punct_chars): Delete.
        (PRINT_OPERAND): Delete.
        (PRINT_OPERAND_PUNCT_VALID_P): Delete.
        (PRINT_OPERAND_ADDRESS): Delete.
        * config/m32r/m32r.c (m32r_punct_chars): Make static.
        (m32r_print_operand_address): Make static.
        (m32r_print_operand): Make static.
        (m32r_print_operand_punct_valid_p): New function.
        (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS):
        (TARGET_PRINT_OPERAND_ADDRESS): Define.

2010-06-17  Nathan Froyd  <froydnj@codesourcery.com>

        * config/iq2000/iq2000-protos.h (print_operand): Delete.
        (print_operand_address): Delete.
        * config/iq2000/iq2000.h (PRINT_OPERAND): Delete.
        (PRINT_OPERAND_PUNCT_VALID_P): Delete.
        (PRINT_OPERAND_ADDRESS): Delete.
        (iq2000_print_operand_punct): Delete.
        * config/iq2000/iq2000.c (iq2000_print_operand_punct): Make static.
        (iq2000_print_operand_address): Make static.
        (iq2000_print_operand): Make static.
        (iq2000_print_operand_punct_valid_p): New function.
        (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS):
        (TARGET_PRINT_OPERAND_ADDRESS): Define.

2010-06-17  Nathan Froyd  <froydnj@codesourcery.com>

        * config/frv/frv-protos.h (frv_print_operand): Delete.
        (frv_print_operand_address): Delete.
        * config/frv/frv.h (PRINT_OPERAND): Delete.
        (PRINT_OPERAND_PUNCT_VALID_P): Delete.
        (PRINT_OPERAND_ADDRESS): Delete.
        * config/frv/frv.c (frv_print_operand_address): Make static.
        (frv_print_operand): Make static.
        (frv_print_operand_punct_valid_p): New function.
        (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS):
        (TARGET_PRINT_OPERAND_ADDRESS): Define.

2010-06-17  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.h (vec_member): Declare.
        * tree.c (vec_member): Define.

2010-06-17  Richard Guenther  <rguenther@suse.de>

        * tree-flow-inline.h (array_ref_contains_indirect_ref): Remove.
        * tree-flow.h (array_ref_contains_indirect_ref): Likewise.

2010-06-17  Richard Guenther  <rguenther@suse.de>

        * tree-inline.c (declare_return_variable): Remove bogus code.

2010-06-17  Richard Guenther  <rguenther@suse.de>

        * gimplify.c (gimplify_bind_expr): Always promote complex
        and vector variables to registers if possible.

2010-06-17  Richard Guenther  <rguenther@suse.de>

        * expr.c (get_inner_reference): Use double_int for bit_offset
        calculation.

2010-06-16  DJ Delorie  <dj@redhat.com>

        * common.opt (-fstrict-volatile-bitfields): new.
        * doc/invoke.texi: Document it.
        * fold-const.c (optimize_bit_field_compare): For volatile
        bitfields, use the field's type to determine the mode, not the
        field's size.
        * expr.c (expand_assignment): Likewise.
        (get_inner_reference): Likewise.
        (expand_expr_real_1): Likewise.
        * expmed.c (store_fixed_bit_field): Likewise.
        (extract_bit_field_1): Likewise.
        (extract_fixed_bit_field): Likewise.

2010-06-16  Richard Guenther  <rguenther@suse.de>

        * tree-inline.c (remap_gimple_op_r): Recurse using remap_gimple_op_r.

2010-06-16  Douglas B Rupp  <rupp@gnat.com>

        * config/ia64/vms.h (ASM_OUTPUT_DWARF_DELTA_UNITS): Remove.
        (ASM_OUTPUT_DWARF_VMS_DELTA: Define new macro.
        * dbxout.c (gcc_debug_hooks): New entry begin_epilogue.
        * debug.c: Likewise.
        * sdbout.c: Likewise.
        * vmsdbgout.c: Likewise.
        * debug.h: Likewise. (dwarf2out_vms_{begin,end}_prologue): Declare.
        * doc/tm.texi (ASM_OUTPUT_DWARF_VMS_DELTA): Document.
        * dwarf2asm.c (dw2_asm_output_vms_delta): New function.
        (ASM_OUTPUT_DWARF_VMS_DELTA): Call it.
        * dwarf2asm.h (dw2_asm_output_vms_delta): Declare.
        * dwarf2out.c (dw_fde_struct): New fields
        dw_fde_vms_{end,begin}_prologue.
        (PROLOGUE_END_LABEL, EPILOGUE_BEGIN_LABEL): New macros.
        (dwarf2out_begin_prologue): Set dw_fde_struct defaults for above.
        (dwarf2out_vms_end_prologue): New function.
        (dwarf2out_vms_begin_epilogue): New function.
        (dw_val_struct): New value dw_val_class_vms_delta.
        (gcc_debug_hooks): New entry begin_epilogue. Set end_prologue,
        begin_epilogue for VMS.
        (AT_vms_delta1, AT_vms_delta2, add_AT_vms_delta): Declare
        new static functions.
        (dwarf_attr_name): New cases DW_AT_HP_{prologue,epilogue}.
        (AT_vms_delta1, AT_vms_delta2, add_AT_vms_delta): New
        static functions.
        (print_die): New case dw_val_class_vms_delta.
        (attr_checksum): Likewise.
        (same_dw_val_p: Likewise.
        (size_of_die): Likewise.
        (value_format): Likewise.
        (output_die): Likewise.
        (gen_subprogram_die): Call add_AT_vms_delta on VMS.
        (dwarf2out_begin_epilogue): Rename to dwarf2out_cfi_begin_epilogue
        * dwarf2out.h (dwarf2out_begin_epilogue): Rename to
        dwarf2out_cfi_begin_epilogue
        * final.c (final_scan_insn): Likewise. Call begin_epilogue.

2010-06-16  Nathan Froyd  <froydnj@codesourcery.com>

        * config/cris/cris-protos.h (cris_print_operand): Delete.
        (cris_print_operand_address): Delete.
        * config/cris/cris.h (PRINT_OPERAND): Delete.
        (PRINT_OPERAND_PUNCT_VALID_P): Delete.
        (PRINT_OPERAND_ADDRESS): Delete.
        * config/cris/cris.c (cris_print_operand_address): Make static.
        (cris_print_operand): Make static.
        (cris_print_operand_punct_valid_p): New function.
        (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS):
        (TARGET_PRINT_OPERAND_ADDRESS): Define.

2010-06-16  Nathan Froyd  <froydnj@codesourcery.com>

        * config/arm/arm-protos.h (arm_print_operand): Delete.
        (arm_print_operand_address): Delete.
        * config/arm/arm.h (PRINT_OPERAND): Delete.
        (PRINT_OPERAND_PUNCT_VALID_P): Delete.
        (PRINT_OPERAND_ADDRESS, ARM_PRINT_OPERAND_ADDRESS):
        (THUMB_PRINT_OPERAND_ADDRESS): Delete and move code to...
        * config/arm/arm.c (arm_print_operand_address): ...here.  New function.
        (arm_print_operand): Make static.
        (arm_print_operand_punct_valid_p): New function.
        (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS):
        (TARGET_PRINT_OPERAND_ADDRESS): Define.

2010-06-16  Nick Clifton  <nickc@redhat.com>

        * config/rx/constraints.md (NEGint4): New constraint.
        * config/rx/rx.md (attr cc): Add set_zsc.
        (cbranchsf4): Only test for -fnon-call-exceptions if cfun has been
        initialised.
        (cmpsf): Likewise.
        (call_internal): Clobber the cc0 register.
        (call_value_internal): Likewise.
        (cstoresi4): Likewise.
        (movsieq): Likewise.
        (movsine): Likewise.
        (addsi3): Add alternative to handle small negative constants.
        (sunsi3): Likewise.
        (addsi3): Do not set the O bit in the cc0 register.
        (adddi3): Likewise.
        (subsi3): Likewise.
        (subdi3): Likewise.
        (andsi3): Reorder alternatives to prefer shorter forms.
        (mulsi3): Likewise.
        (iorsi3): Likewise.
        (negsi2): Note that the cc0 flags are set.
        (rotlsi3): Note that only the Z and S bits are set in cc0.
        (lshrsi3): Likewise.
        (ashlsi3): Likewise.
        (subsf3): Use %Q for the MEM operand.
        (fix_truncsfsi2): Likewise.
        (floatsisf2): Likewise.
        (bitset): Remove early clobber from destination.
        (bitset_in_memory): Likewise.
        (lrintsf2): Clobber the cc0 register.
        * config/rx/rx.c (rx_notice_update_cc): Handle CC_SET_ZSC.
        (rx_print_operand): Handle %N.

2010-06-16  Jan Hubicka  <jh@suse.cz>

        * df-core.c (df_compact_blocks): Free problem_temps vector.

2010-06-16  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/43905
        * tree-sra.c: Include tree-inline.h.
        (create_abstract_origin): Removed.
        (modify_function): Version the call graph node instead of creating
        abstract origins and dealing with same_body aliases.
        * tree-sra.c (ipa_sra_preliminary_function_checks): Check whether the
        function is versionable.
        * Makefile.in (tree-sra.o): Add TREE_INLINE_H to dependencies.

2010-06-16  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * config/mips/linux64.h (BIONIC_DYNAMIC_LINKERN32): Define.
        (CHOOSE_DYNAMIC_LINKER): Update.

2010-06-15  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (*prefetch_sse_<mode>):  Macroize insn from
        *prefetch_sse and *prefetch_sse_rex using P mode iterator.
        (*prefetch_3dnow_<mode>): Ditto from *prefetch_3dnow and
        *prefetch_3dnow_rex.

2010-06-15  Anatoly Sokolov  <aesok@post.ru>

        * target.h (struct asm_out):Add declare_constant_name field.
        * target-def.h (TARGET_ASM_DECLARE_CONSTANT_NAME): Define.
        (TARGET_INITIALIZER): Use TARGET_ASM_DECLARE_CONSTANT_NAME.
        * output.h (default_asm_declare_constant_name): Declare.
        (assemble_label): Update prototype.
        * varasm.c (assemble_constant_contents): Use
        targetm.asm_out.declare_constant_name target hook.
        (assemble_label): Add 'file' argument.
        (default_asm_declare_constant_name): New function.
        * system.h (ASM_DECLARE_CONSTANT_NAME): Poison.
        * doc/tm.texi (ASM_DECLARE_CONSTANT_NAME): Remove.
        (TARGET_ASM_DECLARE_CONSTANT_NAME): Document it.

        * config/darwin-protos.h (darwin_asm_declare_constant_name): Declare.
        * config/darwin.c (darwin_asm_declare_constant_name): New function.
        (machopic_output_indirection): Update assemble_label argument list.
        * config/darwin.h (ASM_DECLARE_CONSTANT_NAME): Remove.
        (TARGET_ASM_DECLARE_CONSTANT_NAME): Define.

2010-06-15  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/44391
        * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
        size_one_node for pointer types.  Do not call gmp_cst_to_tree.

2010-06-15  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-pre.c (eliminate): Handle PHI elimination to constants.

2010-06-15  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (use_vfp_abi): Add sorry() for Thumb-1
        hard-float ABI.

2010-06-15  Alexandre Oliva  <aoliva@redhat.com>

        * tree-vect-patterns.c (vect_pattern_recog_1): Bail out if we
        don't get a vector type for output.

2010-06-15  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/44536
        * langhooks.h (struct lang_hooks_for_decls): Add omp_report_decl.
        * langhooks-def.h (LANG_HOOKS_OMP_REPORT_DECL): Define.
        (LANG_HOOKS_DECLS): Add it.
        * gimplify.c (omp_notice_variable): Call
        lang_hooks.decls.omp_report_decl.

2010-06-15  Martin Jambor  <mjambor@suse.cz>

        PR lto/44464
        * tree-sra.c (replace_removed_params_ssa_names): Call release_ssa_name
        on the newly dead SSA name.

2010-06-15  Alan Modra  <amodra@gmail.com>

        * doc/invoke.texi: Add mcmodel to powerpc options.
        * configure.ac: Add HAVE_LD_LARGE_TOC test.
        * configure: Regenerate.
        * config.in: Regenerate.
        * config/rs6000/linux64.opt (mcmodel): New.
        * config/rs6000/linux64.h (TARGET_USES_LINUX64_OPT): Define.
        (TARGET_CMODEL, SET_CMODEL): Define.
        (SUBSUBTARGET_OVERRIDE_OPTIONS): Check user -mcmodel choice,
        select CMODEL_MEDIUM default.
        * config/rs6000/rs6000.h (enum rs6000_cmodel): New.
        (TARGET_CMODEL): Define default.
        * config/rs6000/rs6000.c (cmodel): New variable.
        (rs6000_explicit_options): Add cmodel field.
        (rs6000_handle_option): Handle -mcmodel.
        (create_TOC_reference): Add largetoc_reg param.  Generate high,
        lo_sum rtl for CMODEL_MEDIUM and CMODEL_LARGE.  Update all callers.
        (rs6000_delegitimize_address): Recognise new toc reference rtl
        and minimal-toc rtl.
        (rs6000_legitimize_reload_address): Handle new toc references.
        (print_operand_address): Handle legitimate_constant_pool_address_p
        match before lo_sum.
        (rs6000_eliminate_indexed_memrefs): Tidy.
        (rs6000_emit_move): Tweak threshold for inlining constants.
        Keep rs6000_emit_allocate_stack large stack frame offsets
        loaded into r0 inline.
        (rs6000_generate_compare <cmptf_internal2>): One more clobber.
        (tocrel_base, tocrel_offset): New variables.
        (toc_relative_expr_p): Set them here.
        (print_operand_address): Skip over any offset on constant pool address.
        (rs6000_output_addr_const_extra): Print tocrel_offset before @toc.
        (rs6000_mode_dependent_address <LO_SUM>): False for new toc refs.
        (offsettable_ok_by_alignment): New function.
        (rs6000_emit_move): Address suitably aligned local symbol_refs
        relative to the toc pointer for -mcmodel=medium.
        (legitimate_constant_pool_address_p): Make param const_rtx.  Add
        strict param.  Allow lo_sum version of addressing.  Verify reg
        used for -mminimal-toc and -mcmodel != small.  Update all callers.
        * config/rs6000/constraints.md: Update for above change.
        * config/rs6000/predicates.md: Likewise.
        * config/rs6000/rs6000.md (tls_gd_aix): Generate -mcmodel=medium/large
        code.
        (tls_gd): Split for -mcmodel=medium/large.
        (tls_gd_high, tls_gd_low): New.
        (tls_ld_aix, tls_ld, tls_ld_high, tls_ld_low): Similarly.
        (tls_got_dtprel, tls_got_dtprel_high, tls_got_dtprel_low): Similarly.
        (tls_got_tprel, tls_got_tprel_high, tls_got_tprel_low): Similarly.
        (largetoc_high, largetoc_low): New.
        (cmptf_internal2): Add clobber.
        * config/rs6000/rs6000-protos.h: Update.

2010-06-14  Changpeng Fang  <changpeng.fang@amd.com>

        * tree-ssa-loop-prefetch.c (nothing_to_prefetch_p): New.  Return
        true if no prefetch is going to be generated for a given group.
        (estimate_prefetch_count): Use prefetch_mod and unroll_factor to
        estimate the prefetch_count.
        (loop_prefetch_arrays): Call nothing_to_prefetch_p; estimate the
        prefetch count by considering the unroll_factor and prefetch_mod
        for is_loop_prefetching_profitable.

2010-06-14  Andreas Schwab  <schwab@linux-m68k.org>

        * config/m68k/m68k.c (m68k_delegitimize_address): Don't do
        anything if the argument is not a MEM.

2010-06-14  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/43650
        PR debug/44181
        PR debug/44247
        * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Skip
        debug stmts.
        (canonicalize_loop_ivs): Likewise.

2010-06-14  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/43656
        * haifa-sched.c (setup_insn_reg_pressure_info,
        update_register_pressure): Reject debug insns.
        (ready_sort): Don't setup reg pressure for debug insns.
        (schedule_insn): Don't update reg pressure for debug insns.

2010-06-14  Richard Guenther  <rguenther@suse.de>

        * lto-streamer.c (cached_bp): Remove.
        (bitpack_delete): Likewise.
        (bitpack_create): Likewise.
        (bp_get_next_word): Likewise.
        (bp_pack_value, bp_unpack_value): Move ...
        * lto-streamer.h (bp_pack_value, bp_unpack_value): ... here.
        Re-implement.
        (struct bitpack_d): Likewise.
        (bitpack_create, lto_output_bitpack, lto_input_bitpack):
        New inline functions.
        * lto-streamer-out.c (lto_output_bitpack): Remove.
        (pack_ts_base_value_fields): Adjust.  Avoid conditional bitpacking.
        (pack_value_fields): Adjust.
        (lto_write_tree): Likewise.
        (output_gimple_stmt): Likewise.
        (output_function): Likewise.
        * lto-streamer-in.c (input_gimple_stmt): Adjust.
        (input_function): Likewise.
        (unpack_ts_base_value_fields): Adjust.  Avoid conditional bitpacking.
        (lto_input_bitpack): Remove.
        (lto_materialize_tree): Adjust.
        * Makefile.in (ipa-prop.o): Add $(LTO_STREAMER_H) dependency.
        * lto-cgraph.c (lto_output_edge): Adjust.
        (lto_output_node): Likewise.
        (lto_output_varpool_node): Likewise.
        (lto_output_ref): Likewise.
        (input_node): Likewise.
        (input_varpool_node): Likewise.
        (input_ref): Likewise.
        (input_edge): Likewise.
        (output_node_opt_summary): Likewise.
        (input_node_opt_summary): Likewise.
        * ipa-pure-const.c (pure_const_write_summary): Likewise.
        (pure_const_read_summary): Likewise.
        * ipa-prop.c (ipa_write_indirect_edge_info): Likewise.
        (ipa_read_indirect_edge_info): Likewise.
        (ipa_write_node_info): Likewise.
        (ipa_read_node_info): Likewise.

2010-06-14  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/44534
        * config/i386/sse.md (vec_extract_lo_<mode>): Replace 0x1 with 0x0.
        (vec_extract_lo_v16hi): Likewise.
        (vec_extract_lo_v32qi): Likewise.

2010-06-14  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/44426
        * tree.h (build_call_expr): Don't define as vararg macro, instead
        add a prototype.
        * builtins.c (build_call_nofold): Remove.
        (expand_builtin_int_roundingfn, expand_builtin_pow,
        expand_builtin_mempcpy_args, expand_builtin_stpcpy,
        expand_builtin_memset_args, expand_builtin_strcmp,
        expand_builtin_strncmp, expand_builtin_memory_chk): Use
        build_call_nofold_loc instead of build_call_nofold.
        (build_call_expr): New function.

        PR tree-optimization/44508
        * tree-ssa-propagate.h (substitute_and_fold): Add DO_DCE argument.
        * tree-ssa-propagate.c (substitute_and_fold): If !DO_DCE,
        don't eliminate trivially dead stmts.
        * tree-vrp.c (vrp_finalize): Pass false as last argument
        to substitute_and_fold.
        * tree-ssa-copy.c (fini_copy_prop): Pass true as last argument
        to substitute_and_fold.
        * tree-ssa-ccp.c (ccp_finalize): Likewise.

        PR bootstrap/44509
        * c-config-lang.in (gtfiles): Add c-family/c-cppbuiltin.c.

2010-06-14  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/44507
        * tree-vect-loop.c (get_initial_def_for_reduction): Use -1
        to build initial vector for BIT_AND_EXPR.
        * tree-vect-slp.c (vect_get_constant_vectors): Likewise.

2010-06-14  Jakub Jelinek  <jakub@redhat.com>

        * config/s390/s390.md (*mov<mode>_64 DD_DF, mov<mode>): Properly
        adjust z10prop set_attr.

2010-06-13  Jan Hubicka  <jh@suse.cz>

        * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
        bitmap_and_compl_into, bitmap_compl_and_into, bitmap_ior,
        bitmap_ior_into, bitmap_xor, bitmap_xor_into,
        bitmap_ior_and_compl, bitmap_ior_and_compl): Turn internal
        datastructure checks into checking asserts.
        * rtlanal.c (find_reg_note): Use gcc_checking_assert.
        * tree-ssa-sccvn.c (VN_INFO): Likewise.
        * df-scan.c (df_reorganize_refs_by_reg_by_reg, df_install_ref,
        df_ref_create_structure): Likewise.
        * alloc-pool.c (create_alloc_pool, empty_alloc_pool, pool_alloc,
        pool_free): Use gcc_checking_assert.
        * alias.c (get_alias_set): Likewise.
        * var-tracking.c (variable_htab_free, shared_hash_copy,
        canonicalize_values_mark, variable_merge_over_cur): Likewise.
        * lto-streamer.c (bp_unpack_value): Likewise.

2010-06-13  Richard Guenther  <rguenther@suse.de>

        * lto-streamer-in.c (lto_input_ts_type_tree_pointers):
        Do not stream but initialize TYPE_CANONICAL to NULL.
        (lto_output_ts_type_tree_pointers): Do not stream TYPE_CANONICAL.
        * gimple.c (gimple_types_compatible_p): Disregard
        TYPE_STRUCTURAL_EQUALITY_P.
        (gimple_register_type): Use TYPE_CANONICAL as cache.
        * lto-streamer.c (lto_record_common_node): Zero TYPE_CANONICAL
        before registering common types.
        * config/i386/i386.c (ix86_function_arg_boundary): Do not
        use TYPE_CANONICAL, instead use TYPE_MAIN_VARIANT.
        * tree.h (TYPE_CANONICAL): Clarify documentation.

2010-06-13  Anatoly Sokolov  <aesok@post.ru>

        * config/ia64/ia64.h (FUNCTION_VALUE_REGNO_P, FUNCTION_VALUE,
        LIBCALL_VALUE): Remove macros.
        * config/ia64/ia64-protos.h (ia64_function_value): Remove.
        * config/ia64/ia64.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
        TARGET_FUNCTION_VALUE_REGNO_P): Define.
        (ia64_libcall_value, ia64_function_value_regno_p): New functions.
        (ia64_function_value): Make static. Handle receiving the function
        type in 'fn_decl_or_type' argunent. Add 'outgoing' argument.

2010-06-12  Jan Hubicka  <jh@suse.cz>

        * cse.c (cse_extended_basic_block): Move optimize_bb_for_speed_p
        at correct place.

2010-06-12  Bernd Schmidt  <bernds@codesourcery.com>

        * config/arm/arm.c (thumb2_reorg): Fix errors in previous change.

2010-06-12  Jan Hubicka  <jh@suse.cz>

        * df-core.c (df_clear_bb_info): New function.
        (df_set_blocks): bb_info is always allocated.
        (df_get_bb_info): Use block_info_elt_size.
        (df_set_bb_info): Likewise.
        (df_compact_blocks): Update for new block_info.
        (grow_bb_info): New function.
        * df-problems.c (df_grow_bb_info): Move to df-core.c
        (df_rd_set_bb_info): Remove.
        (df_rd_free_bb_info): Do not free block pool.
        (df_rd_alloc): Do not create pool, use check for
        obstack presence instead of NULL pointer for new blocks.
        (df_rd_free): DO not free alloc pool; clear block_info.
        (problem_RD): Add size of block info structure.
        (df_lr_set_bb_info): Remove.
        (df_lr_free_bb_info): Do not free block pool.
        (df_lr_alloc): Do not create pool, use check for
        obstack presence instead of NULL pointer for new blocks.
        (df_lr_free): DO not free alloc pool; clear block_info.
        (problem_LR): Add size of block info structure.
        (df_live_set_bb_info): Remove.
        (df_live_free_bb_info): Do not free block pool.
        (df_live_alloc): Do not create pool, use check for
        obstack presence instead of NULL pointer for new blocks.
        (df_live_free): DO not free alloc pool; clear block_info.
        (problem_LIVE): Add size of block info structure.
        (problem_CHAIN): Add size of block info structure.
        (df_byte_lr_set_bb_info): Remove.
        (df_byte_lr_free_bb_info): Do not free block pool.
        (df_byte_lr_alloc): Do not create pool, use check for
        obstack presence instead of NULL pointer for new blocks.
        (df_byte_lr_free): DO not free alloc pool; clear block_info.
        (problem_BYTE_LR): Add size of block info structure.
        (problem_NOTE): Add size of block info structure.
        (df_byte_MD_set_bb_info): Remove.
        (df_byte_MD_free_bb_info): Do not free block pool.
        (df_byte_MD_alloc): Do not create pool, use check for
        obstack presence instead of NULL pointer for new blocks.
        (df_byte_MD_free): DO not free alloc pool; clear block_info.
        (problem_BD): Add size of block info structure.
        * df-scan.c (df_scan_free_internal): Free block pool.
        (df_scan_set_bb_info): Remove.
        (df_scan_free_bb_info): Check for artificial_defs instead
        of bb_info being non-NULL.
        (df_scan_alloc): DO not create df_scan_block pool.
        (problem_SCAN): Set size of block info.
        (df_bb_refs_record): Do not allocate bb_info.
        * df.h (df_problem): Add block_info_elt_size.
        (struct dataflow): Change block_info to void *.
        (df_scan_get_bb_info, df_rd_get_bb_info, df_lr_get_bb_info,
        df_md_get_bb_info, df_live_get_bb_info, df_byte_lr_get_bb_info): Return
        in-line structures.

2010-06-12  Jan Hubicka  <jh@suse.cz>

        PR tree-optimize/44485
        * tree-cfgcleanup.c (fixup_noreturn_call): Remove basic blocks
        containing use of return value of noreturn function.

2010-06-12  Anatoly Sokolov  <aesok@post.ru>

        * targhooks.c (default_function_value): Don't use
        FUNCTION_OUTGOING_VALUE.
        * system.h (FUNCTION_OUTGOING_VALUE): Poison.
        * doc/tm.texi (FUNCTION_OUTGOING_VALUE): Removed.

2010-06-12  Kazu Hirata  <kazu@codesourcery.com>

        * config.gcc (mips64*-*-linux*, mipsisa64*-*-linux*, mips*-*-linux*):
        Add crtfastmath.o to extra_parts.
        * config/mips/crtfastmath.c: New.
        * config/mips/linux.h (ENDFILE_SPEC): New.

2010-06-12  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (gcc_type_for_interval): Do not pass
        old_type in parameter.
        (gcc_type_for_value): Update call to gcc_type_for_interval.
        (compute_type_for_level_1): Renamed compute_type_for_level.
        Update call to gcc_type_for_interval.

2010-06-11  Joseph Myers  <joseph@codesourcery.com>

        * common.opt (Wstrict-aliasing=, Wstrict-overflow=, fabi-version=,
        flto-compression-level=, ftree-parallelize-loops=): Add RejectNegative.

2010-06-11  Joseph Myers  <joseph@codesourcery.com>

        * opts-common.c: Include options.h.
        (integral_argument): Move from opts.c.
        (decode_cmdline_option): New.  Based on read_cmdline_option.
        * opts.c (integral_argument): Move to opts-common.c.
        (read_cmdline_option): Move most contents to
        decode_cmdline_option.  Use %qs in diagnostics.
        * opts.h (CL_ERR_DISABLED, CL_ERR_MISSING_ARG, CL_ERR_WRONG_LANG,
        CL_ERR_UINT_ARG, struct cl_decoded_option, integral_argument,
        decode_cmdline_option): New.

2010-06-11  Uros Bizjak  <ubizjak@gmail.com>

        PR target/44481
        * config/i386/i386.md (UNSPEC_PARITY): New unspec.
        (paritydi2_cmp): Use UNSPEC_PARITY unspec instead of parity RTX.
        (partiysi2_cmp): Ditto.
        (*partiyhi2_cmp): Ditto.
        (*parityqi2_cmp): Remove.

2010-06-11  Jan Hubicka  <jh@suse.cz>

        * bitmap.h (bmp_iter_next_bit): New.
        (bmp_iter_set, bmp_iter_and, bmp_iter_and_compl): Use it.

2010-06-11  Sandra Loosemore  <sandra@codesourcery.com>
            Eric Botcazou  <ebotcazou@adacore.com>

        * tree-ssa-loop-ivopts.c (get_computation_cost_at): Return again the
        computed cost.

2010-06-11  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (unspec): New define_c_enum.
        (unspecv): Ditto.

2010-06-10  Jakub Jelinek  <jakub@redhat.com>

        * Makefile.in (c-family/c-cppbuiltin.o): Depend on $(CPP_ID_DATA_H).

2010-06-11  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/44483
        * tree-if-conv.c (bb_predicate_s): New struct.
        (bb_predicate_p): New.
        (bb_has_predicate): New.
        (bb_predicate): New.
        (set_bb_predicate): New.
        (bb_predicate_gimplified_stmts): New.
        (set_bb_predicate_gimplified_stmts): New.
        (add_bb_predicate_gimplified_stmts): New.
        (init_bb_predicate): New.
        (free_bb_predicate): New.
        (is_predicated): Use bb_predicate.
        (add_to_predicate_list): Use bb_predicate and set_bb_predicate.
        (predicate_bbs): Same.  Gimplify the condition of the basic blocks
        before processing their successors.
        (clean_predicate_lists): Removed.
        (find_phi_replacement_condition): Use bb_predicate.
        (process_phi_nodes): Renamed ifconvert_phi_nodes.  Avoid useless
        computations.
        (insert_gimplified_predicates): New.
        (combine_blocks): Call insert_gimplified_predicates.
        (tree_if_conversion): Call free_bb_predicate instead of
        clean_predicate_lists.

2010-10-11  Paul Brook  <paul@codesourcery.com>

        * doc/invoke.texi: Document ARM -mcpu=cortex-m4.
        * config/arm/arm.c (all_architectures): Change v7e-m default to
        cortexm4.
        * config/arm/arm-cores.def: Add cortex-m4.
        * config/arm/arm-tune.md: Regenerate.

2010-06-11  Jan Hubicka  <jh@suse.cz>

        * ipa-pure-const.c (special_builtlin_state): New function.
        (check_call): Use it instead of special casign BUILT_IN_RETURN.
        (propagate_pure_const): Use it.

2010-06-11  Jan Hubicka  <jh@suse.cz>

        * df-problems.c (df_live_scratch): Convert to bitmap_head.
        (df_live_alloc): Initialize df_live_scratch when initializing
        problem_data.
        (df_live_transfer_function): Update uses of df_live_scratch.
        (df_live_free): Free problem_data; clear df_live_scratch before
        releasing the obstack.
        (df_md_free): Free problem data.

2010-06-11  Jan Hubicka  <jh@suse.cz>

        * doc/invoke.texi (Wsuggest-attribute): Document.
        (Wmissing-noreturn): Remove.
        * ipa-pure-const.c (warn_function_noreturn): New function.
        * opts.c (decode_options): Set warn_suggest_attribute_noreturn on
        warn_missing_noreturn.
        * common.opt (Wsuggest-attribute=noreturn): New.
        * tree-flow.h (warn_function_noreturn): Declare.
        * tree-cfg.c (execute_warn_function_noreturn): Use
        warn_function_noreturn.
        (gate_warn_function_noreturn): New.
        (pass_warn_function_noreturn): Update.

2010-06-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c-typeck.c (handle_warn_cast_qual): Add loc
        parameter. Improve warning message.
        (build_c_cast): Pass location to handle_warn_cast_qual.

2010-06-11  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (pro_epilogue_adjust_stack_1) <TYPE_ALU>: Assert
        that operand 0 == operand 1.  Use x86_maybe_negate_const_int to output
        insn mnemonic.
        (pro_epilogue_adjust_stack_rex64) <TYPE_ALU>: Ditto.

2010-06-10  Dodji Seketeli  <dodji@redhat.com>

        Fix bootstap on mips
        * dwarf2out.c (is_naming_typedef_dec): Built-in TYPE_DECLs cannot
        be naming typedefs.

2010-06-11  Kai Tietz  <kai.tietz@onevision.com>

        * system.h (helper_const_non_const_cast): New inline for
        gcc version <= 4.0.
        (CONST_CAST2): For gcc version <= 4.0 use
        new helper to do const/non-const casting.

2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>

        * doc/md.texi: Document the "unspec" and "unspecv" enum names.
        * Makefile.in (OBJS-common): Include insn-enums.o.
        (insn-enums.o): New rule.
        (simple_generated_c): Add insn-enums.c.
        (build/genenums.o): New rule.
        (genprogmd): Add "enums".
        * genconstants.c (print_enum_type): Declare a C string array
        for each enum.
        * genenums.c: New file.
        * print-rtl.c (print_rtx): If defined, use the "unspecv" enum
        for UNSPEC_VOLATILE.  If defined, use the "unspec" enum for both
        UNSPEC and (as a fallback) for UNSPEC_VOLATILE.

2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>

        * doc/md.texi (define_enum_attr): Document.
        * rtl.def (DEFINE_ENUM_ATTR): New rtx.
        * read-md.h (lookup_enum_type): Declare.
        * read-md.c (lookup_enum_type): New function.
        * genattr.c (gen_attr, main): Handle DEFINE_ENUM_ATTR.
        * genattrtab.c (attr_desc): Add an enum_name field.
        (evaluate_eq_attr): Take the associated attribute as argument.
        Get the enum prefix from the enum_name field, if defined.
        Use ACONCAT rather than a fixed-length buffer.  Update recursive calls.
        (simplify_test_exp): Pass attr to evaluate_eq_attr.
        (add_attr_value): New function, split out from...
        (gen_attr): ...here.  Handle DEFINE_ENUM_ATTR.
        (write_test_expr): Pass attr to evaluate_eq_attr.
        (write_attr_get): Use the enum_name as the enum tag, if defined.
        (write_attr_valueq): Use the enum_name as a prefix, if defined.
        (find_attr): Initialize enum_name.
        (main): Handle DEFINE_ENUM_ATTR.
        * gensupport.c (process_rtx): Likewise.
        * config/mips/mips.h (mips_tune_attr): Delete.
        * config/mips/mips.md (cpu): Use define_attr_enum.

2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>

        * doc/md.texi (define_c_enum, define_enum): Document.
        * read-md.h (md_constant): Add a parent_enum field.
        (enum_value, enum_type): New structures.
        (upcase_string, traverse_enum_types): Declare.
        * read-md.c (enum_types): New variable.
        (upcase_string, add_constant): New functions.
        (handle_constants): Don't create the hash table here.
        Use add_constant.
        (traverse_md_constants): Don't check for a null md_constants.
        (decimal_string, handle_enum, traverse_enum_types): New functions.
        (read_md_files): Initialize md_constants and md_enums.
        * genconstants.c (print_md_constant): Ignore info argument.
        Only print constants that belong to no enum.
        (print_enum_type): New function.
        (main): Don't pass stdout to print_md_constant.  Call print_enum_type
        for each defined enum type.
        * config/mips/mips.md (processor): New define_enum.
        (unspec): New define_c_enum.
        (UNSPEC_COMPARE_AND_SWAP, UNSPEC_COMPARE_AND_SWAP_12)
        (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_NEW_OP_12)
        (UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE, UNSPEC_SYNC_EXCHANGE_12)
        (UNSPEC_MEMORY_BARRIER): Moved to sync.md.
        (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
        (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
        (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
        (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
        (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
        (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
        (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
        (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
        (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
        (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
        (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
        (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
        (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
        (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
        (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
        (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
        (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
        (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
        (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
        (UNSPEC_RDDSP): Move to mips-dsp.md.
        (UNSPEC_ABSQ_S_QB, UNSPEC_ADDU_PH, UNSPEC_ADDU_S_PH, UNSPEC_ADDUH_QB)
        (UNSPEC_ADDUH_R_QB, UNSPEC_APPEND, UNSPEC_BALIGN, UNSPEC_CMPGDU_EQ_QB)
        (UNSPEC_CMPGDU_LT_QB, UNSPEC_CMPGDU_LE_QB, UNSPEC_DPA_W_PH)
        (UNSPEC_DPS_W_PH, UNSPEC_MADD, UNSPEC_MADDU, UNSPEC_MSUB, UNSPEC_MSUBU)
        (UNSPEC_MUL_PH, UNSPEC_MUL_S_PH, UNSPEC_MULQ_RS_W, UNSPEC_MULQ_S_PH)
        (UNSPEC_MULQ_S_W, UNSPEC_MULSA_W_PH, UNSPEC_MULT, UNSPEC_MULTU)
        (UNSPEC_PRECR_QB_PH, UNSPEC_PRECR_SRA_PH_W, UNSPEC_PRECR_SRA_R_PH_W)
        (UNSPEC_PREPEND, UNSPEC_SHRA_QB, UNSPEC_SHRA_R_QB, UNSPEC_SHRL_PH)
        (UNSPEC_SUBU_PH, UNSPEC_SUBU_S_PH, UNSPEC_SUBUH_QB, UNSPEC_SUBUH_R_QB)
        (UNSPEC_ADDQH_PH, UNSPEC_ADDQH_R_PH, UNSPEC_ADDQH_W, UNSPEC_ADDQH_R_W)
        (UNSPEC_SUBQH_PH, UNSPEC_SUBQH_R_PH, UNSPEC_SUBQH_W, UNSPEC_SUBQH_R_W)
        (UNSPEC_DPAX_W_PH, UNSPEC_DPSX_W_PH, UNSPEC_DPAQX_S_W_PH)
        (UNSPEC_DPAQX_SA_W_PH, UNSPEC_DPSQX_S_W_PH, UNSPEC_DPSQX_SA_W_PH):
        Moved to mips-dspr2.md.
        (UNSPEC_MOVE_TF_PS, UNSPEC_C, UNSPEC_ALNV_PS, UNSPEC_CABS)
        (UNSPEC_ADDR_PS, UNSPEC_CVT_PW_PS, UNSPEC_CVT_PS_PW, UNSPEC_MULR_PS)
        (UNSPEC_ABS_PS, UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1)
        (UNSPEC_RECIP2, UNSPEC_SINGLE_CC, UNSPEC_SCC): Move from mips-ps-3d.md.
        (UNSPEC_LOONGSON_PAVG, UNSPEC_LOONGSON_PCMPEQ, UNSPEC_LOONGSON_PCMPGT)
        (UNSPEC_LOONGSON_PEXTR, UNSPEC_LOONGSON_PINSR_0)
        (UNSPEC_LOONGSON_PINSR_1, UNSPEC_LOONGSON_PINSR_2)
        (UNSPEC_LOONGSON_PINSR_3, UNSPEC_LOONGSON_PMADD)
        (UNSPEC_LOONGSON_PMOVMSK, UNSPEC_LOONGSON_PMULHU)
        (UNSPEC_LOONGSON_PMULH, UNSPEC_LOONGSON_PMULL, UNSPEC_LOONGSON_PMULU)
        (UNSPEC_LOONGSON_PASUBUB, UNSPEC_LOONGSON_BIADD,
        UNSPEC_LOONGSON_PSADBH)
        (UNSPEC_LOONGSON_PSHUFH, UNSPEC_LOONGSON_PUNPCKH)
        (UNSPEC_LOONGSON_PUNPCKL, UNSPEC_LOONGSON_PADDD)
        (UNSPEC_LOONGSON_PSUBD): Move to mips-loongson.md.
        (UNSPEC_LOONGSON_ALU1_TURN_ENABLED_INSN)
        (UNSPEC_LOONGSON_ALU2_TURN_ENABLED_INSN)
        (UNSPEC_LOONGSON_FALU1_TURN_ENABLED_INSN)
        (UNSPEC_LOONGSON_FALU2_TURN_ENABLED_INSN): Move to mips-loongson2ef.md.
        (cpu): Update comment.
        * config/mips/sync.md (UNSPEC_COMPARE_AND_SWAP)
        (UNSPEC_COMPARE_AND_SWAP_12, UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP)
        (UNSPEC_SYNC_NEW_OP_12, UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE)
        (UNSPEC_SYNC_EXCHANGE_12, UNSPEC_MEMORY_BARRIER): Moved from mips.md.
        * config/mips/loongson.md (UNSPEC_LOONGSON_PAVG,
        UNSPEC_LOONGSON_PCMPEQ)
        (UNSPEC_LOONGSON_PCMPGT, UNSPEC_LOONGSON_PEXTR,
        UNSPEC_LOONGSON_PINSR_0)
        (UNSPEC_LOONGSON_PINSR_1, UNSPEC_LOONGSON_PINSR_2)
        (UNSPEC_LOONGSON_PINSR_3, UNSPEC_LOONGSON_PMADD)
        (UNSPEC_LOONGSON_PMOVMSK, UNSPEC_LOONGSON_PMULHU)
        (UNSPEC_LOONGSON_PMULH, UNSPEC_LOONGSON_PMULL, UNSPEC_LOONGSON_PMULU)
        (UNSPEC_LOONGSON_PASUBUB, UNSPEC_LOONGSON_BIADD,
        UNSPEC_LOONGSON_PSADBH)
        (UNSPEC_LOONGSON_PSHUFH, UNSPEC_LOONGSON_PUNPCKH)
        (UNSPEC_LOONGSON_PUNPCKL, UNSPEC_LOONGSON_PADDD)
        (UNSPEC_LOONGSON_PSUBD): Moved from mips.md
        * config/mips/loongson2ef.md (UNSPEC_LOONGSON_ALU1_TURN_ENABLED_INSN)
        (UNSPEC_LOONGSON_ALU2_TURN_ENABLED_INSN)
        (UNSPEC_LOONGSON_FALU1_TURN_ENABLED_INSN)
        (UNSPEC_LOONGSON_FALU2_TURN_ENABLED_INSN): Moved from mips.md
        * config/mips/mips-dsp.md (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ)
        (UNSPEC_SUBQ_S, UNSPEC_ADDSC, UNSPEC_ADDWC, UNSPEC_MODSUB)
        (UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S, UNSPEC_PRECRQ_QB_PH)
        (UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W, UNSPEC_PRECRQU_S_QB_PH)
        (UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR, UNSPEC_PRECEQU_PH_QBL)
        (UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA, UNSPEC_PRECEQU_PH_QBRA)
        (UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR, UNSPEC_PRECEU_PH_QBLA)
        (UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL, UNSPEC_SHLL_S, UNSPEC_SHRL_QB)
        (UNSPEC_SHRA_PH, UNSPEC_SHRA_R, UNSPEC_MULEU_S_PH_QBL)
        (UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH, UNSPEC_MULEQ_S_W_PHL)
        (UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL, UNSPEC_DPAU_H_QBR)
        (UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR, UNSPEC_DPAQ_S_W_PH)
        (UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH, UNSPEC_DPAQ_SA_L_W)
        (UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL, UNSPEC_MAQ_S_W_PHR)
        (UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR, UNSPEC_BITREV, UNSPEC_INSV)
        (UNSPEC_REPL_QB, UNSPEC_REPL_PH, UNSPEC_CMP_EQ, UNSPEC_CMP_LT)
        (UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB, UNSPEC_CMPGU_LT_QB)
        (UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH, UNSPEC_EXTR_W)
        (UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H, UNSPEC_EXTP)
        (UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
        (UNSPEC_RDDSP): Moved from mips.md.
        * config/mips/mips-dspr2.md (UNSPEC_ABSQ_S_QB, UNSPEC_ADDU_PH)
        (UNSPEC_ADDU_S_PH, UNSPEC_ADDUH_QB, UNSPEC_ADDUH_R_QB, UNSPEC_APPEND)
        (UNSPEC_BALIGN, UNSPEC_CMPGDU_EQ_QB, UNSPEC_CMPGDU_LT_QB)
        (UNSPEC_CMPGDU_LE_QB, UNSPEC_DPA_W_PH, UNSPEC_DPS_W_PH, UNSPEC_MADD)
        (UNSPEC_MADDU, UNSPEC_MSUB, UNSPEC_MSUBU, UNSPEC_MUL_PH)
        (UNSPEC_MUL_S_PH, UNSPEC_MULQ_RS_W, UNSPEC_MULQ_S_PH, UNSPEC_MULQ_S_W)
        (UNSPEC_MULSA_W_PH, UNSPEC_MULT, UNSPEC_MULTU, UNSPEC_PRECR_QB_PH)
        (UNSPEC_PRECR_SRA_PH_W, UNSPEC_PRECR_SRA_R_PH_W, UNSPEC_PREPEND)
        (UNSPEC_SHRA_QB, UNSPEC_SHRA_R_QB, UNSPEC_SHRL_PH, UNSPEC_SUBU_PH)
        (UNSPEC_SUBU_S_PH, UNSPEC_SUBUH_QB, UNSPEC_SUBUH_R_QB, UNSPEC_ADDQH_PH)
        (UNSPEC_ADDQH_R_PH, UNSPEC_ADDQH_W, UNSPEC_ADDQH_R_W, UNSPEC_SUBQH_PH)
        (UNSPEC_SUBQH_R_PH, UNSPEC_SUBQH_W, UNSPEC_SUBQH_R_W, UNSPEC_DPAX_W_PH)
        (UNSPEC_DPSX_W_PH, UNSPEC_DPAQX_S_W_PH, UNSPEC_DPAQX_SA_W_PH)
        (UNSPEC_DPSQX_S_W_PH, UNSPEC_DPSQX_SA_W_PH): Moved from mips.md.
        * config/mips/mips-ps-3d.md (UNSPEC_MOVE_TF_PS, UNSPEC_C)
        (UNSPEC_ALNV_PS, UNSPEC_CABS, UNSPEC_ADDR_PS, UNSPEC_CVT_PW_PS)
        (UNSPEC_CVT_PS_PW, UNSPEC_MULR_PS, UNSPEC_ABS_PS, UNSPEC_RSQRT1)
        (UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2, UNSPEC_SINGLE_CC)
        (UNSPEC_SCC): Moved from mips.md.
        * config/mips/mips.c (mips_arch, mips_tune): Change enum from
        "processor_type" to "processor".
        (mips_rtx_cost_data): Replace PROCESSOR_MAX with NUM_PROCESSOR_VALUES.
        * config/mips/mips.h (processor_type): Delete.
        (mips_cpu_info.cpu, mips_arch, mips_tune): Change enum from
        "processor_type" to "processor".

2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>

        * configure.ac (tm_include_list): Add insn-constants.h.
        * configure: Regenerate.
        * Makefile.in (GTM_H): Move insn-constants.h here from...
        (TM_H): ...here.
        * mkconfig.sh: Remove special handling for insn-constants.h.

2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (BUILD_RTL): Move build/read-md.o to...
        (BUILD_MD): ...this new variable.
        (simple_generated_rtl_h, simple_generated_rtl_c): New variables
        that include the old contents of simple_generated_h and
        simple_generated_c.
        (simple_generated_h, simple_generated_c): Include them.  Add
        insn-constants.h.
        (s-%): Make simple_generated_{h,c} stamps depend on $(MD_DEPS)
        and simple_generated_rtl_{h,c} stamps depend on insn-conditions.md.
        Remove these dependencies from the main rule and include
        insn-conditions.md in the command line only if it appears
        in the dependency list.
        (insn-constants.h, s-constants): Delete.
        (build/genconstants.o): Don't depend on $(RTL_BASE_H), $(GTM_H)
        or gensupport.h.
        (build/genmddeps.o): Likewise.
        (genprogrtl): New variable that contains everything from genprogmd
        except mddeps and constants.
        (genprogmd): Redefine in terms of genprogrtl.  Make these programs
        depend on $(BUILD_MD)
        (genprog): New variable.  Make these programs depend on
        $(BUILD_ERRORS).
        * genmddeps.c: Don't include tm.h, rtl.h or gensupport.h.
        (main): Use read_md_files instead of init_rtx_reader_args.
        * genconstants.c: As for genmddeps.c.
        * read-md.h (read_skip_construct): Declare.
        * read-md.c (read_skip_construct): New function.
        (handle_file): Allow a null handle_directive, skipping the
        construct if so.
        (parse_include): Update the comment accordingly.

2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (build/genmddeps.o): Depend on $(READ_MD_H).
        * genmddeps.c: Include read-md.h.
        (main): Call init_rtx_reader_args instead of init_md_reader_args.
        * genattr.c (main): Likewise.
        * genattrtab.c (main): Likewise.
        * genautomata.c (main): Likewise.
        * gencodes.c (main): Likewise.
        * genconditions.c (main): Likewise.
        * genconfig.c (main): Likewise.
        * genconstants.c (main): Likewise.
        * genemit.c (main): Likewise.
        * genextract.c (main): Likewise.
        * genflags.c (main): Likewise.
        * genopinit.c (main): Likewise.
        * genoutput.c (main): Likewise.
        * genpeep.c (main): Likewise.
        * genrecog.c (main): Likewise.
        * genpreds.c (main): Likewise.
        * gensupport.h (in_fname): Move to read-md.h.
        (init_md_reader_args_cb): Rename to...
        (init_rtx_reader_args_cb): ...this and return a bool.
        (init_md_reader_args): Rename to...
        (init_rtx_reader_args): ...this and return a bool.
        (include_callback): Move to read-md.h.
        * gensupport.c (in_fname, include_callback, base_dir, max_include_len)
        (file_name_list, first_dir_md_include): Move to read-md.c
        (first_bracket_include): Delete unused variable.
        (last_dir_md_include): Move to read-md.c.
        (process_include): Delete, moving code to read-md.c:handle_include.
        (process_rtx): Don't handle INCLUDE.
        (save_string): Delete.
        (rtx_handle_directive): New function.
        (init_md_reader_args_cb): Rename to...
        (init_rtx_reader_args_cb): ...this and return a boolean success value.
        Use read_md_args.
        (init_md_reader_args): Rename to...
        (init_rtx_reader_args): ...this and return a boolean success value.
        * rtl.def (INCLUDE): Delete.
        * rtl.h (read_rtx): Remove "int *" argument.  Add "const char *"
        argument.
        * read-rtl.c (read_conditions): Don't gobble ')' here.
        (read_mapping): Likewise.
        (read_rtx): Remove LINENO argument.  Add RTX_NAME argument.
        Handle top-level non-rtx constructs here rather than in read_rtx_1.
        Store the whole queue in *X.  Remove call to init_md_reader.
        (read_rtx_1): Rename to...
        (read_rtx_code): ...this.  Call read_nested_rtx to read subrtxes.
        Don't handle top-level non-rtx constructs here.  Don't handle (nil)
        here.
        (read_nested_rtx): New function.  Handle (nil) here rather than
        in read_rtx_code.
        (read_rtx_variadic): Call read_nested_rtx to read subrtxes.  Don't
        gobble ')' here.
        * read-md.h (directive_handler_t): New type.
        (in_fname, include_callback): Moved from read-md.h.
        (read_constants, init_md_reader): Delete.
        (read_md_files): Declare.
        * read-md.c (file_name_list, in_fname, base_dir, first_dir_md_include)
        (last_dir_md_include_ptr, include_callback, max_include_len): Moved
        from gensupport.c.
        (read_constants): Rename to...
        (handle_constants): ...this.  Don't gobble ')' here.
        (handle_include, handle_file, handle_toplevel_file)
        (parse_include): New functions, mostly taken from gensupport.c.
        (init_md_reader): Subsume into...
        (read_md_files): ...this new function.

2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>

        * read-md.h (read_char): Increment read_md_lineno after reading '\n'.
        (unread_char): Decrement read_md_lineno after putting back '\n'.
        * read-md.c (fatal_with_file_and_line): Push back any characters
        that we decide not to add to the context.
        (read_skip_spaces): Don't increment read_md_lineno here.  Avoid using
        fatal_expected_char in cases where '/' ends a line (for example).
        (read_name): Don't increment read_md_lineno here.
        (read_escape): Likewise.
        (read_quoted_string): Likewise.
        (read_braced_string): Likewise.

2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (READ_MD_H): Add $(HASHTAB_H).
        (build/genconstants.o): Depend on $(READ_MD_H) gensupport.h.
        * genconstants.c: Include read-md.h.
        * read-rtl.c (md_constants): Move to read-md.c.
        (md_name): Move to read-md.h.
        (initialize_iterators): Use leading_string_hash instead of def_hash
        and leading_string_eq_p instead of def_name_eq_p.
        (read_name): Move to read-md.c.
        (def_hash, def_name_eq_p): Delete.
        (read_constants, traverse_md_constants): Move to read-md.c.
        * rtl.h (md_constant, traverse_md_constants): Move to read-md.h.
        * read-md.h: Include hashtab.h.
        (md_name): Moved from read-rtl.c.
        (md_constant): Moved from read-md.h.
        (leading_string_hash, leading_string_eq_p, read_name)
        (read_constants, traverse_md_constants): Declare.
        * read-md.c (md_constants): Moved from read-rtl.c.
        (leading_string_hash, leading_string_eq_p): New functions.
        (read_name, read_constants, traverse_md_constants): Moved from
        read-rtl.c.

2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>

        * read-rtl.c (md_name): New structure.
        (read_name): Take an md_name instead of a buffer pointer.
        Use the "string" field instead of strcpy when expanding constants.
        (read_constants): Remove the tmp_char argument.  Update the calls
        to read_name, using two local name buffers instead of the tmp_char
        argument.  Merge the constant-creation code.
        (read_conditions): Remove the tmp_char argument.  Update the calls
        to read_name, using a local name buffer instead of the tmp_char
        argument.
        (read_mapping): Replace tmp_char variable with a local name buffer.
        Update the calls to read_name.
        (read_rtx_1): Likewise.  Update the calls to read_constants and
        read_conditions.

2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (build/read-md.o): Depend on errors.h.
        * read-md.h (error_with_line): Declare.
        * read-md.c: Include errors.h.
        (message_with_line_1): New function, extracted from...
        (message_with_line): ...here.
        (error_with_line): New function.
        * genattrtab.c: If a call to message_with_line is followed by
        "have_error = 1;", replace both statements with a call to
        error_with_line.
        * genoutput.c: Likewise.
        * genpreds.c: Likewise.
        * genrecog.c: If a call to message_with_line is followed by
        "error_count++;", replace both statements with a call to
        error_with_line.
        (errorcount): Delete.
        (main): Don't check it.
        * gensupport.c: If a call to message_with_line is followed by
        "errors = 1;", replace both statements with a call to error_with_line.
        (errors): Delete.
        (process_define_cond_exec): Check have_error instead of errors.
        (init_md_reader_args_cb): Likewise.  Don't set errors.

2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>

        * read-md.h (read_md_file): Declare.
        (read_char, unread_char): New functions.
        (fatal_with_file_and_line, fatal_expected_char, read_skip_spaces)
        (read_quoted_string, read_string): Remove FILE * argument.
        * read-md.c (read_md_file): New variable.
        (read_md_filename, read_md_lineno): Update comments and remove
        unnecessary initialization.
        (fatal_with_file_and_line, fatal_expected_char, read_skip_spaces)
        (read_escape, read_quoted_string, read_braced_string, read_string):
        Remove FILE * argument.  Update calls accordingly, using read_char
        and unread_char instead of getc and ungetc.
        * rtl.h (read_rtx): Remove FILE * argument.
        * read-rtl.c (iterator_group): Remove FILE * argument from
        "find_builtin".
        (iterator_traverse_data): Remove "infile" field.
        (find_mode, find_code, apply_mode_maps, apply_iterator_to_rtx)
        (add_mapping, read_name, read_constants, read_conditions)
        (validate_const_int, find_iterator, read_mapping, check_code_iterator)
        (read_rtx, read_rtx_1, read_rtx_variadic): Remove FILE * argument.
        Remove file arguments from all calls, using read_char and unread_char
        instead of getc and ungetc.
        * gensupport.c (process_include): Preserve read_md_file around
        the include.  Set read_md_file to the handle of the included file.
        Update call to read_rtx.
        (init_md_reader_args_cb): Set read_md_file to the handle of the file
        and remove local FILE *.  Update calls to read_rtx.

2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>

        * read-md.h (read_rtx_lineno): Rename to...
        (read_md_lineno): ...this.
        (read_rtx_filename): Rename to...
        (read_md_filename): ...this.
        (copy_rtx_ptr_loc): Rename to...
        (copy_md_ptr_loc): ...this.
        (print_rtx_ptr_loc): Rename to...
        (print_md_ptr_loc): ...this.
        * read-md.c: Likewise.  Update references after renaming.
        (string_obstack): Replace RTL with MD in comment.
        (set_rtx_ptr_loc): Rename to...
        (set_md_ptr_loc): ...this.
        (get_rtx_ptr_loc): Rename to...
        (get_md_ptr_loc): ...this.
        * genconditions.c: Update references after renaming.
        * genemit.c: Likewise.
        * genoutput.c: Likewise.
        * genpreds.c: Likewise.
        * gensupport.c: Likewise.
        * read-rtl.c: Likewise.

2010-06-10  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (READ_MD_H): New variable.
        (BUILD_RTL): Add build/read-md.o.
        (lto-wrapper.o): Depend on coretypes.h instead of defaults.h.
        (build/gensupport.o, build/read-rtl.o, build/genattr.o)
        (build/genattrtab.o, build/genconditions.o build/genemit.o)
        (build/genextract.o, build/genflags.o, build/genoutput.o)
        (build/genpreds.o, build/genrecog.o): Depend on $(READ_MD_H).
        (build/read-md.o): New rule.
        * defaults.h (obstack_chunk_alloc, obstack_chunk_free)
        (OBSTACK_CHUNK_SIZE, gcc_obstack_init): Move to...
        * coretypes.h: ...here.
        * lto-wrapper.c: Include coretypes.h instead of defaults.h.
        * pretty-print.c (obstack_chunk_alloc, obstack_chunk_free): Delete.
        * genattr.c: Include read-md.h.
        * genattrtab.c: Likewise.
        * genconditions.c: Likewise.
        * genemit.c: Likewise.
        * genextract.c: Likewise.
        * genflags.c: Likewise.
        * genoutput.c: Likewise.
        * genpreds.c: Likewise.
        * genrecog.c: Likewise.
        * rtl.h (read_skip_spaces, copy_rtx_ptr_loc, print_rtx_ptr_loc)
        (join_c_conditions, print_c_condition, read_rtx_filename)
        (read_rtx_lineno): Move to read-md.h.
        * read-rtl.c: Include read-md.h.
        (ptr_loc, string_obstack, ptr_locs, ptr_loc_obstack)
        (joined_conditions, joined_conditions_obstack, read_rtx_lineno)
        (read_rtx_filename, fatal_with_file_and_line, fatal_expected_char)
        (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc, get_rtx_ptr_loc)
        (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
        (print_c_condition, read_skip_spaces, read_escape, read_quoted_string)
        (read_braced_string, read_string): Move to read-md.c.
        (read_rtx): Move some initialization to init_md_reader and call
        init_md_reader here.
        * gensupport.h (message_with_line, n_comma_elts, scan_comma_elt):
        Move to read-md.h.
        * gensupport.c: Include read-md.h.
        (message_with_line, n_comma_elts, scan_comma_elt): Move to read-md.c.
        * read-md.h, read-md.c: New files.

2010-06-10  Anatoly Sokolov  <aesok@post.ru>

        * config/moxie/moxie.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
        LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
        * config/moxie/moxie-protos.h (moxie_function_value): Remove.
        * config/moxie/moxie.c (moxie_function_value): Make static.
        (moxie_libcall_value, moxie_function_value_regno_p): New functions.
        (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.

2010-06-10  Martin Jambor  <mjambor@suse.cz>

        * Makefile.in (tree-sra.o): Add DBGCNT_H to dependencies.
        * dbgcnt.def (tree_sra): New counter.
        * tree-sra.c: Include dbgcnt.h.
        (gate_intra_sra): Check tree_sra debug counter.

2010-06-10  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/44258
        * tree-sra.c (build_access_subtree): Return false iff there is a
        partial overlap.
        (build_access_trees): Likewise.
        (analyze_all_variable_accesses): Disqualify candidates if
        build_access_trees returns true for them.

2010-06-10  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/41371
        * var-tracking.c (find_loc_in_1pdv): Remove recursion, only
        tail-recurse into canonical node.  Fast-forward over
        non-canonical VALUEs.

2010-06-10  H.J. Lu  <hongjiu.lu@intel.com>

        PR boostrap/44470
        * config/i386/i386.md (*add<mode>_1): Revert revision 160394.
        (*addsi_1_zext) <TYPE_LEA>: Likewise.
        (add lea splitter): Likewise.
        (add_zext lea splitter): Likewise.

2010-06-10  Joseph Myers  <joseph@codesourcery.com>

        * common.opt (fshow-column): Don't mark as C ObjC C++ ObjC++.

2010-06-10  Jan Hubicka  <jh@suse.cz>

        * df-problems.c (df_live_problem_data): Add live_bitmaps.
        (df_live_alloc): Initialize problem data and live_osbtacks.
        (df_live_finalize): Remove obstack, problem data; do not
        clear all bitmaps.
        (df_live_top_dump, df_live_bottom_dump): Do not dump old
        data when not allocated.
        (df_live_verify_solution_start): Do not allocate problem data.
        (df_live_verify_solution_end): Check if out is allocated.
        (struct df_md_problem_data): New structure.
        (df_md_alloc): Allocate problem data.
        (df_md_free): Free problem data; do not clear bitmaps.

2010-06-10  Jan Beulich  <jbeulich@novell.com>

        PR bootstrap/37304
        * configure.ac: Replace $() with ${} when intending to expand
        variables rather than invoking commands.
        * configure: Re-generate.

2010-06-10  Jan Hubicka  <jh@suse.cz>

        PR rtl-optimization/44460
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Remove
        TYPE_NEEDS_CONSTRUCTING sanity check.

2010-06-10  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/include/fdl.texi: Move to GFDL version 1.3.

        * doc/cpp.texi: Move to GFDL version 1.3.
        * doc/gcc.texi: Move to GFDL version 1.3.  Fix copyright years.
        * doc/gccint.texi: Move to GFDL version 1.3.
        * doc/gcov.texi: Move to GFDL version 1.3.  Update copyright years.
        * doc/install.texi: Move to GFDL version 1.3.  Fix copyright years.
        * doc/invoke.texi: Move to GFDL version 1.3.

2010-06-09  Jan Hubicka  <jh@suse.cz>

        * ipa-pure-const.c (propagate_pure_const, propagate_noreturn):
        Break out from ...
        (propagate) ... here; swap the order.

2010-06-09  Jan Hubicka  <jh@suse.cz>

        * bitmap.c (bitmap_elt_insert_after, bitmap_first_set_bit,
        bitmap_first_set_bit, bitmap_last_set_bit, bitmap_last_set_bit,
        bitmap_and_into, bitmap_and_compl_into, bitmap_set_range,
        bitmap_compl_and_into, bitmap_elt_ior): Use checking asserts.

2010-06-09  Changpeng Fang  <changpeng.fang@amd.com>

        * tree-ssa-loop-prefetch.c (gather_memory_references_ref):
        Do not the gather memory reference in the outer loop if the step
        is not a constant.

2010-06-09  Changpeng Fang  <changpeng.fang@amd.com>

        * tree-ssa-loop-prefetch.c (PREFETCH_MOD_TO_UNROLL_FACTOR_RATIO) :
        Change the PREFETCH_MOD_TO_UNROLL_FACTOR_RATIO threshold value from
        8 to 4.  Minor change of the related comments.

2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-scalar-evolution.c (instantiate_scev_name): Do not fail
        the scev analysis when the variable is not used outside the loop
        in a close phi node: call compute_overall_effect_of_inner_loop.

2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (single_pred_cond): Renamed
        single_pred_cond_non_loop_exit.  Return NULL for loop exit edges.
        (build_sese_conditions_before): Renamed call to single_pred_cond.
        (build_sese_conditions_after): Same.

2010-06-09  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.h: Fix comments and indentation.
        * graphite-sese-to-poly.c: Same.
        (build_sese_conditions_before): Compute stmt and gbb only when needed.
        * tree-chrec.c: Fix comments and indentation.
        (tree-ssa-loop-niter.c): Same.

2010-06-09  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/42461
        * dce.c (deletable_insn_p): Return true for const or pure calls again.
        * except.c (insn_could_throw_p): Return false if !flag_exceptions.

2010-06-09  Jan Hubicka  <jh@suse.cz>

        * bitmap.c (bitmap_and): Walk array forward.
        (bitmap_and_compl_into): Likewise.
        (bitmap_xor): Likewise.
        (bitmap_xor_into):  Likewise.
        (bitmap_equal_p): Likewise.
        (bitmap_intersect_p): Likewise.
        (bitmap_intersect_compl_p): Likewise.
        (bitmap_ior_and_into): Likewise.
        (bitmap_elt_copy): Likewise.
        (bitmap_and_compl): Likewise.
        (bitmap_elt_ior): Likewise.

2010-06-09  Dave Korn  <dave.korn.cygwin@gmail.com>

        * opts-common.c (prune_options): Ensure replacement argv array
        is correctly terminated by a NULL entry.

2010-06-09  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (varpool_first_static_initializer,
        varpool_next_static_initializer): Make checking only when
        checking enabled.
        * tree-vectorizer.h (vinfo_for_stmt): Remove check.
        (set_vinfo_for_stmt, get_earlier_stmt, is_loop_header_bb_p): Change
        gcc_assert to gcc_checking_assert.
        * tree-flow-inline.h (gimple_vop, get_var_ann, relink_imm_use,
        phi_nodes, set_phi_nodes, phi_arg_index_from_use, op_iter_next_use,
        op_iter_next_def, op_iter_next_tree, op_iter_init, op_iter_init_use,
        op_iter_init_phiuse, op_iter_init_phidef,
        array_ref_contains_indirect_ref, ref_contains_array_ref): Use
        gcc_checking_assert.
        * emit-rtl.h (set_first_insn, set_last_insn): Likewise.
        * tree-ssa-live.h (var_to_partition, var_to_partition_to_var,
        partition_is_global, live_on_entry, live_on_exit,
        live_merge_and_clear): Likewise.
        * system.h (gcc_checking_assert): New macro.
        * gimple.h (set_bb_seq): Use gcc_checking_assert.

2010-06-09  Jason Merrill  <jason@redhat.com>

        * Makefile.in (TAGS): Collect tags info from c-family.

2010-06-09  Jan Hubicka  <jh@suse.cz>

        * gimple.h (gcc_gimple_checking_assert): New macro.
        (gimple_set_def_ops, gimple_set_use_ops,
        gimple_set_vuse, gimple_set_vdef,
        gimple_omp_subcode, gimple_omp_set_subcode, gimple_ops, gimple_op,
        gimple_op_ptr, gimple_op_ptr, gimple_set_op, gimple_bind_set_block,
        gimple_asm_input_op, gimple_asm_input_op_ptr, gimple_asm_set_input_op,
        gimple_asm_output_op, gimple_asm_output_op_ptr,
        gimple_asm_set_output_op, gimple_asm_clobber_op,
        gimple_asm_set_clobber_op, gimple_asm_label_op,
        gimple_asm_set_label_op, gimple_try_set_kind,
        gimple_try_catch_is_cleanup, gimple_try_set_catch_is_cleanup,
        gimple_phi_arg, gimple_switch_num_labels, gimple_switch_set_index,
        gimple_switch_label, gimple_switch_set_label, gimple_omp_for_index,
        gimple_omp_for_index_ptr, gimple_omp_for_set_index,
        gimple_omp_for_initial, gimple_omp_for_initial_ptr,
        gimple_omp_for_set_initial, gimple_omp_for_final,
        gimple_omp_for_final_ptr, gimple_omp_for_set_final,
        gimple_omp_for_incr, gimple_omp_for_incr_ptr, gimple_omp_for_set_incr,
        gimple_omp_for_set_cond, gimple_omp_for_cond): Make checking
        conditional with ENABLE_GIMPLE_CHECKING.
        (gimple_phi_set_arg): Likewise; replace memcpy by assignment.

2010-06-09  Sandra Loosemore  <sandra@codesourcery.com>

        * tree-ssa-loop-ivopts.c (adjust_setup_cost): New function.
        (get_computation_cost_at): Use it.
        (determine_use_iv_cost_condition): Likewise.
        (determine_iv_cost): Likewise.

2010-06-09  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-loop-niter.c (simplify_replace_tree): Do not
        replace constants.

2010-06-09  Kai Tietz  <kai.tietz@onevision.com>

        * c-objc-common.c (c_tree_printer): Pre-intialize t by NULL_TREE.

2010-06-09  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/44423
        * tree-sra.c (dump_access): Dump also grp_assignment_read.
        (analyze_access_subtree): Pass negative allow_replacements to children
        if the current type is scalar.

2010-06-09  Joern Rennecke  <joern.rennecke@embecosm.com>

        PR testsuite/42843
        * gcc-plugin.h (int plugin_is_GPL_compatible): Declare as extern "C".
        * doc/plugins.texi (Plugin license check): Update information
        on type of plugin_is_GPL_compatible.
        * Makefile.in (PLUGINCC): Define as $(COMPILER).
        (PLUGINCFLAGS): Define as $(COMPILER_FLAGS).

2010-06-09  Bernd Schmidt  <bernds@codesourcery.com>

        * config/arm/arm.c (thumb2_reorg): New function.
        (arm_reorg): Call it.
        * config/arm/thumb2.md (define_peephole2 for flag clobbering
        arithmetic operations): Delete.

2010-06-09  Edmar Wienskoski  <edmar@freescale.com>

        PR target/44067
        * config/rs6000/rs6000.md (DIFD): Do not split dpfp values for
        e500v2 target.

2010-06-09  Joern Rennecke  <joern.rennecke@embecosm.com>

        PR plugins/44459
        * gcc-plugin.h: Encapsulate all declarations in extern "C".

2010-06-08  Jan Hubicka  <jh@suse.cz>

        * basic-block.h (single_succ_edge, single_pred_edge, ei_container,
        ei_next, ei_prev): Do sanity checking with ENABLE_CHECKING only.

2010-06-08  Sandra Loosemore  <sandra@codesourcery.com>

        PR tree-optimization/39874
        PR middle-end/28685
        * gimple.h (maybe_fold_and_comparisons, maybe_fold_or_comparisons):
        Declare.
        * gimple-fold.c (canonicalize_bool, same_bool_comparison_p,
        same_bool_result_p): New.
        (and_var_with_comparison, and_var_with_comparison_1,
        and_comparisons_1, and_comparisons, maybe_fold_and_comparisons): New.
        (or_var_with_comparison, or_var_with_comparison_1,
        or_comparisons_1, or_comparisons, maybe_fold_or_comparisons): New.
        * tree-ssa-reassoc.c (eliminate_redundant_comparison): Use
        maybe_fold_and_comparisons or maybe_fold_or_comparisons instead
        of combine_comparisons.
        * tree-ssa-ifcombine.c (ifcombine_ifandif, ifcombine_iforif): Likewise.

2010-06-08  Anatoly Sokolov  <aesok@post.ru>

        * config/pdp11/pdp11.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
        LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
        * config/pdp11/pdp11.c (pdp11_function_value, pdp11_libcall_value,
        pdp11_function_value_regno_p): New functions.
        (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
        TARGET_FUNCTION_VALUE_REGNO_P): Define.

2010-06-08  Kazu Hirata  <kazu@codesourcery.com>

        * config/arm/arm.c (arm_rtx_costs_1): Don't special case for
        Thumb-2 in the MINUS case.

2010-06-08  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

        * doc/tm.texi (Per-Function Data): Do not reference ggc_alloc.

        * doc/gty.texi (GTY Options): Document typed GC allocation and
        variable_size GTY option.

        * ggc-internal.h: New.

        * ggc.h: Update copyright year.
        (digit_string): Move to stringpool.c.
        (ggc_mark_stringpool, ggc_purge_stringpool, ggc_mark_roots)
        (gt_pch_save_stringpool, gt_pch_fixup_stringpool)
        (gt_pach_restore_stringpool, gt_pch_p_S, gt_pch_note_object)
        (init_ggc_pch, ggc_pch_count_object, ggc_pch_total_size)
        (ggc_pch_this_base, ggc_pch_alloc_object, ggc_pch_prepare_write)
        (ggc_pch_write_object, ggc_pch_finish, ggc_pch_read)
        (ggc_force_collect, ggc_get_size, ggc_statistics)
        (ggc_print_common_statistics): Move to ggc-internal.h.
        (digit_vector, new_ggc_zone, destroy_ggc_zone, ggc_alloc_stat)
        (ggc_alloc, ggc_alloc_cleared, ggc_realloc, ggc_calloc, GGC_NEW)
        (GGC_CNEW, GGC_NEWVEC, GGC_CNEWVEC, GGC_NEWVAR, ggc_alloc_rtvec)
        (ggc_alloc_tree, gt_pch_save, ggc_min_expand_heuristic)
        (ggc_min_heapsize_heuristic, ggc_alloc_zone)
        (ggc_alloc_zone_pass_stat): Remove.
        (ggc_internal_alloc_stat, ggc_internal_alloc)
        (ggc_internal_cleared_alloc_stat): New.
        (GGC_RESIZEVEC, GGC_RESIZEVAR): Redefine.
        (ggc_internal_vec_alloc_stat)
        (ggc_internal_cleared_vec_alloc_stat)
        (ggc_internal_vec_alloc_stat, ggc_internal_cleared_vec_alloc)
        (ggc_alloc_atomic_stat, ggc_alloc_atomic)
        (ggc_alloc_cleared_atomic, ggc_cleared_alloc_htab_ignore_args)
        (ggc_cleared_alloc_ptr_array_two_args): New.
        (htab_create_ggc, splay_tree_new_ggc): Redefine.
        (ggc_splay_alloc): Change the type of the first argument to
        enum gt_types_enum.
        (ggc_alloc_string): Make macro.
        (ggc_alloc_string_stat): New.
        (ggc_strdup): Redefine.
        (rtl_zone, tree_zone, tree_id_zone): Declare unconditionally.
        (ggc_alloc_rtvec_sized): New.
        (ggc_alloc_zone_stat): Rename to ggc_internal_alloc_zone_stat.
        (ggc_internal_alloc_zone_pass_stat, ggc_internal_alloc_zone_stat)
        (ggc_internal_cleared_alloc_zone_stat)
        (ggc_internal_zone_alloc_stat)
        (ggc_internal_zone_cleared_alloc_stat)
        (ggc_internal_zone_vec_alloc_stat)
        (ggc_alloc_zone_rtx_def_stat)
        (ggc_alloc_zone_tree_node_stat)
        (ggc_alloc_zone_cleared_tree_node_stat)
        (ggc_alloc_cleared_gimple_statement_d_stat): New.

        * ggc-common.c: Include ggc-internal.h.
        (ggc_internal_cleared_alloc_stat): Rename from
        ggc_alloc_cleared_stat.
        (ggc_realloc_stat): Use ggc_internal_alloc_stat.
        (ggc_calloc): Remove.
        (ggc_cleared_alloc_htab_ignore_args): New.
        (ggc_cleared_alloc_ptr_array_two_args): New.
        (ggc_splay_alloc): Add obj_type parameter.
        (init_ggc_heuristics): Formatting fixes.

        * ggc-none.c: Update copyright year.
        (ggc_alloc_stat): Rename to ggc_alloc_stat.
        (ggc_alloc_cleared_stat): Rename to
        ggc_internal_cleared_alloc_stat.
        (struct alloc_zone, rtl_zone, tree_zone, tree_id_zone): New.

        * ggc-page.c: Update copyright year.  Include ggc-internal.h.
        Remove references to ggc_alloc in comments.
        (ggc_alloc_typed_stat): Call ggc_internal_alloc_stat.
        (ggc_alloc_stat): Rename to ggc_internal_alloc_stat.
        (new_ggc_zone, destroy_ggc_zone): Remove.
        (struct alloc_zone, rtl_zone, tree_zone, tree_id_zone): New.

        * ggc-zone.c: Include ggc-internal.h.  Remove references to
        ggc_alloc in comments.
        (ggc_alloc_zone_stat): ggc_internal_alloc_zone_stat.
        (ggc_internal_alloc_zone_pass_stat): New.
        (ggc_internal_cleared_alloc_zone_stat): New.
        (ggc_alloc_typed_stat): Use ggc_internal_alloc_zone_pass_stat.
        (ggc_alloc_stat): Rename ggc_internal_alloc_stat.
        (new_ggc_zone, destroy_ggc_zone): Remove.

        * stringpool.c: Update copyright year.  Include ggc-internal.h
        (digit_vector): Make static.
        (digit_string): Moved from ggc.h.
        (stringpool_ggc_alloc): Use ggc_alloc_atomic.
        (ggc_alloc_string): Rename to ggc_alloc_string_stat.

        * Makefile.in (GGC_INTERNAL_H): New.
        (ggc_common.o, ggc-page.o, ggc-zone.o, stringpool.o): Add
        $(GGC_INTERNAL_H) to dependencies.

        * gentype.c: Update copyright year.
        (walk_type): Accept variable_size GTY option.
        (USED_BY_TYPED_GC_P): New macro.
        (write_enum_defn): Use USED_BY_TYPED_GC_P.  Do not output
        whitespace at the end of strings.
        (get_type_specifier, variable_size_p): New functions.
        (alloc_quantity, alloc_zone): New enums.
        (write_typed_alloc_def): New function.
        (write_typed_struct_alloc_def): Likewise.
        (write_typed_typed_typedef_alloc_def): Likewise.
        (write_typed_alloc_defns): Likewise.
        (output_typename, write_splay_tree_allocator_def): Likewise.
        (write_splay_tree_allocators): Likewise.
        (main): Call write_typed_alloc_defns and
        write_splay_tree_allocators.

        * lto-streamer.h (lto_file_decl_data_ptr): New.

        * passes.c (order): Define using cgraph_node_ptr.

        * strinpool.c (struct string_pool_data): Declare nested_ptr using
        ht_identifier_ptr.

        * gimple.h (union gimple_statement_d): Likewise.

        * rtl.h (struct rtx_def): Likewise.
        (struct rtvec_def): Likewise.

        * tree.h (union tree_node): Likewise.

        * tree-ssa-operands.h (struct ssa_operand_memory_d): Likewise.

        * cfgloop.c (record_loop_exits): Use htab_create_ggc.

        * tree-scalar-evolution.c (scev_initialize): Likewise.

        * alias.c (record_alias_subset): Update splay_tree_new_ggc call.

        * dwarf2asm.c (dw2_force_const_mem): Likewise.

        * omp-low.c (lower_omp_critical): Likewise.

        * bitmap.h (struct bitmap_head_def): Update comment to not
        reference ggc_alloc.

        * config/pa/pa.c (get_deferred_label): Use GGC_RESIZEVEC.

        * ira.c (fix_reg_equiv_init): Use GGC_RESIZEVEC.

        * ipa-prop.c (duplicate_ggc_array): Rename to
        duplicate_ipa_jump_func_array.  Use typed GC allocation.
        (ipa_edge_duplication_hook): Call duplicate_ipa_jump_func_array.

        * gimple.c (gimple_alloc_stat): Use
        ggc_alloc_cleared_gimple_statement_d_stat.

        * varasm.c (create_block_symbol): Use ggc_alloc_zone_rtx_def.

        * tree.c (make_node_stat): Use
        ggc_alloc_zone_cleared_tree_node_stat.
        (make_tree_vec_stat): Likewise.
        (build_vl_exp_stat): Likewise.
        (copy_node_stat): Use ggc_alloc_zone_tree_node_stat.
        (make_tree_binfo_stat): Likewise.
        (tree_cons_stat): Likewise.

        * rtl.c (rtx_alloc_stat): Use ggc_alloc_zone_rtx_def_stat.
        (shallow_copy_rtx_stat): Likewise.
        (make_node_stat): Likewise.

        * lto-symtab.c: Fix comment.

        * tree-cfg.c (create_bb): Update comment to not reference
        ggc_alloc_cleared.
        * tree-ssa-structalias.c (struct heapvar_for_stmt): Fix param_is value.

        * varpool.c (varpool_node): Use typed GC allocation.
        (varpool_extra_name_alias): Likewise.

        * varasm.c (emutls_decl): Likewise.
        (get_unnamed_section): Likewise.
        (get_noswitch_section): Likewise.
        (get_section): Likewise.
        (get_block_for_section): Likewise.
        (build_constant_desc): Likewise.
        (create_constant_pool): Likewise.
        (force_const_mem): Likewise.

        * tree.c (build_vl_exp_stat): Likewise.
        (build_real): Likewise.
        (build_string): Likewise.
        (decl_debug_expr_insert): Likewise.
        (decl_value_expr_insert): Likewise.
        (type_hash_add): Likewise.
        (build_omp_clause): Likewise.

        * tree-ssanames.c (duplicate_ssa_name_ptr_info): Likewise.

        * tree-ssa.c (init_tree_ssa): Likewise.

        * tree-ssa-structalias.c (heapvar_insert): Likewise.

        * tree-ssa-operands.c (ssa_operand_alloc): Likewise.

        * tree-ssa-loop-niter.c (record_estimate): Likewise.

        * tree-ssa-alias.c (get_ptr_info): Likewise.

        * tree-scalar-evolution.c (new_scev_info_str): Likewise.

        * tree-phinodes.c (allocate_phi_node): Likewise.

        * tree-iterator.c (tsi_link_before): Likewise.
        (tsi_link_after): Likewise.

        * tree-eh.c (add_stmt_to_eh_lp_fn): Likewise.

        * tree-dfa.c (create_var_ann): Likewise.

        * tree-cfg.c (create_bb): Likewise.

        * toplev.c (alloc_for_identifier_to_locale): Likewise.
        (general_init): Likewise.

        * stringpool.c (stringpool_ggc_alloc): Likewise.
        (gt_pch_save_stringpool): Likewise.

        * sese.c (if_region_set_false_region): Likewise.

        * passes.c (do_per_function_toporder): Likewise.

        * optabs.c (set_optab_libfunc): Likewise.
        (set_conv_libfunc): Likewise.

        * lto-symtab.c (lto_symtab_register_decl): Likewise.

        * lto-streamer-in.c (lto_input_eh_catch_list): Likewise.
        (input_eh_region): Likewise.
        (input_eh_lp): Likewise.
        (make_new_block): Likewise.
        (unpack_ts_real_cst_value_fields): Likewise.

        * lto-section-in.c (lto_new_in_decl_state): Likewise.

        * lto-cgraph.c (input_node_opt_summary): Likewise.

        * loop-init.c (loop_optimizer_init): Likewise.

        * lambda.h (lambda_vector_new): Likewise.

        * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.

        * ira.c (update_equiv_regs): Likewise.

        * ipa.c (cgraph_node_set_new): Likewise.
        (cgraph_node_set_add): Likewise.
        (varpool_node_set_new): Likewise.
        (varpool_node_set_add): Likewise.

        * ipa-prop.c (ipa_compute_jump_functions_for_edge): Likewise.
        (duplicate_ipa_jump_func_array): Likewise.
        (ipa_read_node_info): Likewise.

        * ipa-cp.c (ipcp_create_replace_map): Likewise.

        * integrate.c (get_hard_reg_initial_val): Likewise.

        * gimple.c (gimple_alloc_stat): Likewise.
        (gimple_build_omp_for): Likewise.
        (gimple_seq_alloc): Likewise.
        (gimple_copy): Likewise.

        * gimple-iterator.c (gsi_insert_before_without_update): Likewise.
        (gsi_insert_after_without_update): Likewise.

        * function.c (add_frame_space): Likewise.
        (insert_temp_slot_address): Likewise.
        (assign_stack_temp_for_type): Likewise.
        (allocate_struct_function): Likewise.
        (types_used_by_var_decl_insert): Likewise.

        * except.c (init_eh_for_function): Likewise.
        (gen_eh_region): Likewise.
        (gen_eh_region_catch): Likewise.
        (gen_eh_landing_pad): Likewise.
        (add_call_site): Likewise.

        * emit-rtl.c (get_mem_attrs): Likewise.
        (get_reg_attrs): Likewise.
        (start_sequence): Likewise.
        (init_emit): Likewise.

        * dwarf2out.c (new_cfi): Likewise.
        (queue_reg_save): Likewise.
        (dwarf2out_frame_init): Likewise.
        (new_loc_descr): Likewise.
        (find_AT_string): Likewise.
        (new_die): Likewise.
        (add_var_loc_to_decl): Likewise.
        (clone_die): Likewise.
        (clone_as_declaration): Likewise.
        (break_out_comdat_types): Likewise.
        (new_loc_list): Likewise.
        (loc_descriptor): Likewise.
        (add_loc_descr_to_each): Likewise.
        (add_const_value_attribute): Likewise.
        (tree_add_const_value_attribute): Likewise.
        (add_comp_dir_attribute): Likewise.
        (add_name_and_src_coords_attributes): Likewise.
        (lookup_filename): Likewise.
        (store_vcall_insn): Likewise.
        (dwarf2out_init): Likewise.

        * dbxout.c (dbxout_init): Likewise.

        * config/xtensa/xtensa.c (xtensa_init_machine_status): Likewise.

        * config/sparc/sparc.c (sparc_init_machine_status): Likewise.

        * config/score/score7.c (score7_output_external): Likewise.

        * config/score/score3.c (score3_output_external): Likewise.

        * config/s390/s390.c (s390_init_machine_status): Likewise.

        * config/rs6000/rs6000.c (builtin_function_type): Likewise.
        (rs6000_init_machine_status): Likewise.
        (output_toc): Likewise.

        * config/pa/pa.c (pa_init_machine_status): Likewise.
        (get_deferred_plabel): Likewise.

        * config/moxie/moxie.c (moxie_init_machine_status): Likewise.

        * config/mmix/mmix.c (mmix_init_machine_status): Likewise.

        * config/mips/mips.c (mflip_mips16_use_mips16_p): Likewise.

        * config/mep/mep.c (mep_init_machine_status): Likewise.
        (mep_note_pragma_flag): Likewise.

        * config/m32c/m32c.c (m32c_init_machine_status): Likewise.

        * config/iq2000/iq2000.c (iq2000_init_machine_status): Likewise.

        * config/ia64/ia64.c (ia64_init_machine_status): Likewise.

        * config/i386/winnt.c (i386_pe_record_external_function): Likewise.
        (i386_pe_maybe_record_exported_symbol): Likewise.

        * config/i386/i386.c (get_dllimport_decl): Likewise.
        (ix86_init_machine_status): Likewise.
        (assign_386_stack_local): Likewise.

        * config/frv/frv.c (frv_init_machine_status): Likewise.

        * config/darwin.c (machopic_indirection_name): Likewise.

        * config/cris/cris.c (cris_init_machine_status): Likewise.

        * config/bfin/bfin.c (bfin_init_machine_status): Likewise.

        * config/avr/avr.c (avr_init_machine_status): Likewise.

        * config/arm/arm.c (arm_init_machine_status): Likewise.

        * config/alpha/alpha.c (alpha_init_machine_status): Likewise.
        (alpha_need_linkage): Likewise.
        (alpha_use_linkage): Likewise.

        * cgraph.c (cgraph_allocate_node): Likewise.
        (cgraph_create_edge_1): Likewise.
        (cgraph_create_indirect_edge): Likewise.
        (cgraph_add_asm_node): Likewise.

        * cfgrtl.c (init_rtl_bb_info): Likewise.

        * cfgloop.c (alloc_loop): Likewise.
        (rescan_loop_exit): Likewise.

        * cfg.c (init_flow): Likewise.
        (alloc_block): Likewise.
        (unchecked_make_edge): Likewise.

        * c-parser.c (c_parse_init): Likewise.
        (c_parse_file): Likewise.

        * c-decl.c (bind): Likewise.
        (record_inline_static): Likewise.
        (push_scope): Likewise.
        (make_label): Likewise.
        (lookup_label_for_goto): Likewise.
        (finish_struct): Likewise.
        (finish_enum): Likewise.
        (c_push_function_context): Likewise.

        * bitmap.c (bitmap_element_allocate): Likewise.
        (bitmap_gc_alloc_stat): Likewise.

        * alias.c (record_alias_subset): Likewise.
        (init_alias_analysis): Likewise.

2010-06-08  Shujing Zhao  <pearly.zhao@oracle.com>

        * fold-const.c (fold_comparison): Remove redundant parenthesis.
        * tree-inline.c (expand_call_inline): Pass translated return value of
        cgraph_inline_failed_string to diagnostic function.

2010-06-08  Andrew Pinski  <pinskia@gmail.com>
            Shujing Zhao  <pearly.zhao@oracle.com>

        PR c/37724
        * c-typeck.c (convert_for_assignment): Call pedwarn_init if the
        implicit bad conversions is initialization.
        (error_init): Use gmsgid instead of msgid for argument name and change
        the call for error.
        (pedwarn_init): Use gmsgid instead of msgid for argument name and
        change the call for pedwarn.
        (warning_init): Use gmsgid instead of msgid for argument name and
        change the call for warning.

2010-06-07  Nathan Froyd  <froydnj@codesourcery.com>

        * config/mips/mips-protos.h (mips_print_operand): Delete.
        (mips_print_operand_address): Delete.
        * config/mips/mips.h (mips_print_operand_punct): Delete.
        (PRINT_OPERAND): Delete.
        (PRINT_OPERAND_PUNCT_VALID_P): Delete.
        (PRINT_OPERAND_ADDRESS): Delete.
        * config/mips/mips.c (mips_print_operand_punct): Make static.
        (mips_print_operand_address): Make static.
        (mips_print_operand): Make static.  Call
        mips_print_operand_punct_valid_p.
        (mips_print_operand_punct_valid_p): New function.
        (TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define.
        (TARGET_PRINT_OPERAND_PUNCT_VALID_P): Define.

2010-06-07  Jan Hubicka  <jh@suse.cz>

        PR middle-end/44454
        (df_lr_top_dump, df_lr_bottom_dump): Check that in/out bitmaps
        are allocated.

2010-06-07  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_build_builtin_va_list): Set tree type
        name of RECORD.

2010-06-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/sourcebuild.texi (Effective-Target Keywords, Other
        attributes): Document gas.

2010-06-07  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*add<mode>_1): Remove alternative 2.
        <TYPE_LEA>: Split instruction.
        <default>: Remove alternative 2 handling.
        (*addsi_1_zext) <TYPE_LEA>: Split instruction.
        (add lea splitter): Generate SImode lea for mode sizes <= SImode.
        (add_zext lea splitter): Use ix86_lea_for_add_ok in insn predicate.

        (*movsi_1) <TYPE_LEA>: Use %a modifier to output operand 1.
        (ashift_zext lea splitter): Use DImode for multiplication.

        * config/i386/i386.c (ix86_expand_epilogue): Do not use ix86_gen_add
        to generate addition.

2010-06-07  Joseph Myers  <joseph@codesourcery.com>

        * common.opt (fira-verbose): Use Var.
        (fpcc-struct-return): Use Init instead of VarExists.
        * defaults.h (DEFAULT_PCC_STRUCT_RETURN): Move definition from
        toplev.c.
        * flags.h (flag_signed_char, flag_short_enums,
        flag_pcc_struct_return, flag_ira_verbose,
        flag_detailed_statistics, flag_remove_unreachable_functions): Remove.
        * toplev.c (flag_detailed_statistics, flag_signed_char,
        flag_short_enums, flag_pcc_struct_return, flag_ira_verbose): Remove.
        (DEFAULT_PCC_STRUCT_RETURN): Move definition to defaults.h.
        * toplev.h (flag_crossjumping, flag_if_conversion,
        flag_if_conversion2, flag_keep_static_consts, flag_peel_loops,
        flag_rerun_cse_after_loop, flag_thread_jumps, flag_tracer,
        flag_unroll_loops, flag_unroll_all_loops, flag_unswitch_loops,
        flag_cprop_registers, time_report, flag_ira_loop_pressure,
        flag_ira_coalesce, flag_ira_move_spills,
        flag_ira_share_save_slots, flag_ira_share_spill_slots): Remove.

2010-06-07  Jan Hubicka  <jh@suse.cz>

        * df-core.c (df_analyze_problem): Do verification after allocation.

        * df-problems.c (df_lr_problem_data): Add lr_bitmaps.
        (df_lr_alloc): Initialize problem data; move bitmaps to
        lr_bitmaps obstack.
        (df_lr_finalize): Free problem data; do not bother to free bitmaps.
        (df_lr_verify_solution_start): Do not initialize problem data;
        allocate bitmaps in lr_bitmaps.
        (df_lr_verify_solution_end): Do not free problem data.

2010-06-07  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_edge_cannot_lead_to_return): Also check
        if caller is noreturn.
        * ipa-reference.c (analyze_function): Use ipa_ref_cannot_lead_to_return
        * ipa-ref.h (ipa_ref_cannot_lead_to_return): New function.
        * ipa-ref.c (ipa_ref_cannot_lead_to_return): New function.
        * ipa-pure-const.c (check_decl): Add IPA parameter.
        (state_from_flags): New function.
        (better_state, worse_state): New functions.
        (check_call): When in IPA mode, do not care about callees.
        (check_load, check_store): Update.
        (check_ipa_load, check_ipa_store): New.
        (check_stmt): When in IPA mode, use IPA checkers.
        (analyze_function): Use state_from_flags.
        (propagate): Check indirect edges and references.

2010-06-07  Kazu Hirata  <kazu@codesourcery.com>

        PR rtl-optimization/44404
        * auto-inc-dec.c (find_inc): Use reg_overlap_mentioned_p instead
        of count_occurrences to see if it's safe to modify mem_insn.

2010-06-07  Richard Guenther  <rguenther@suse.de>

        * gimplify.c (gimplify_cleanup_point_expr): For empty body
        and EH-only cleanup drop the cleanup instead of inserting it
        unconditionally.

2010-06-07  Ira Rosen  <irar@il.ibm.com>

        * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Update
        documentation.
        * targhooks.c (default_builtin_vectorization_cost): New function.
        * targhooks.h (default_builtin_vectorization_cost): Declare.
        * target.h (enum vect_cost_for_stmt): Define.
        (builtin_vectorization_cost): Change argument and comment.
        * tree-vectorizer.h: Remove cost model macros.
        * tree-vect-loop.c: Include target.h.
        (vect_get_cost): New function.
        (vect_estimate_min_profitable_iters): Replace cost model macros with
        calls to vect_get_cost.
        (vect_model_reduction_cost, vect_model_induction_cost): Likewise.
        * target-def.h (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Add
        default implementation.
        * tree-vect-stmts.c (cost_for_stmt): Replace cost model macros with
        calls to target hook builtin_vectorization_cost.
        (vect_model_simple_cost, vect_model_store_cost, vect_model_load_cost):
        Likewise.
        * Makefile.in (tree-vect-loop.o): Add dependency on TARGET_H.
        * config/spu/spu.c (spu_builtin_vectorization_cost): Replace with new
        implementation to return costs.
        * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
        * config/spu/spu.h: Remove vectorizer cost model macros.
        * config/i386/i386.h: Likewise.
        * tree-vect-slp.c (vect_build_slp_tree): Replace cost model macro with
        a call to target hook builtin_vectorization_cost.

2010-06-06  Sriraman Tallam  <tmsriram@google.com>

        PR target/44319
        * config/i386/i386.c (override_options): Turn zee pass on for level 2
        and above and defer till target is known.
        (optimization_options): Turn on zee pass if TARGET_64BIT is set and
        turn off otherwise.

2010-05-25  Jan Hubicka  <jh@suse.cz>

        * df-core.c (df_set_blocks): Use bitmap_head instead of bitmap.
        (df_compact_blocks): Likewise.
        * df.h (struct df): Turn hardware_regs_used,
        regular_block_artificial_uses, eh_block_artificial_uses,
        insns_to_delete, insns_to_rescan, insns_to_notes_rescan into
        bitmap_head.
        * df-problems.c (df_lr_local_compute, df_lr_confluence_0,
        df_byte_lr_alloc, df_simulate_fixup_sets): Update.
        * df-scan.c (df_scan_free_internal, df_scan_alloc, df_scan_start_dump,
        df_scan_blocks, df_insn_delete, df_insn_rescan,
        df_insn_rescan_debug_internal, df_insn_rescan_all,
        df_process_deferred_rescans, df_process_deferred_rescans,
        df_notes_rescan, df_get_call_refs, df_get_call_refs,
        regs_invalidated_by_call_regset, df_get_call_refs, df_bb_refs_collect,
        df_record_entry_block_defs, df_record_exit_block_uses,
        df_update_exit_block_uses, df_bb_verify, df_entry_block_bitmap_verify,
        df_scan_verify): Update.

2010-05-25  Dodji Seketeli  <dodji@redhat.com>

        PR c++/44188
        * c-common.c (is_typedef_decl): Move this definition ...
        * tree.c (is_typedef_decl): ... here.
        (typdef_variant_p): Move definition here from cp/tree.c.
        * c-common.h (is_typedef_decl): Move this declaration ...
        * tree.h (is_typedef_decl): ... here.
        (typedef_variant_p): Move declaration here from cp/cp-tree.h
        * dwarf2out.c (is_naming_typedef_decl): New function.
        (gen_tagged_type_die): Split out of ...
        (gen_type_die_with_usage): ... this function. When an anonymous
        tagged type is named by a typedef, make sure a DW_TAG_typedef DIE
        is emitted for the typedef.
        (gen_typedef_die): Emit DW_TAG_typedef also for typedefs naming
        anonymous tagged types.

2010-06-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/20000
        * c-decl.c (grokdeclarator): Delete warning.

2010-06-06  Eric Botcazou  <ebotcazou@adacore.com>

        * stor-layout.c (self_referential_size): Set UNKNOWN_LOCATION on the
        newly built CALL_EXPR.
        * tree-profile.c (tree_profiling): Don't profile functions produced
        for built-in stuff.

2010-06-06  Segher Boessenkool  <segher@kernel.crashing.org>

        PR bootstrap/44427
        PR bootstrap/44428
        * genautomata.c (SET_BIT, CLEAR_BIT, TEST_BIT): Make these macros
        endianness-independent.

2010-06-05  Steven Bosscher  <steven@gcc.gnu.org>

        * c-common.c: Move to c-family/.
        * c-common.def: Likewise.
        * c-common.h: Likewise.
        * c-cppbuiltin.c: Likewise.
        * c-dump.c: Likewise.
        * c-format.c: Likewise.
        * c-format.h : Likewise.
        * c-gimplify.c: Likewise.
        * c-lex.c: Likewise.
        * c-omp.c: Likewise.
        * c.opt: Likewise.
        * c-opts.c: Likewise.
        * c-pch.c: Likewise.
        * c-ppoutput.c: Likewise.
        * c-pragma.c: Likewise.
        * c-pragma.h: Likewise.
        * c-pretty-print.c: Likewise.
        * c-pretty-print.h: Likewise.
        * c-semantics.c: Likewise.
        * stub-objc.c: Likewise.

        * gengtype.c (get_file_langdir): Special-case files in c-family/.
        (get_output_file_with_visibility): Fix name for c-common.h.
        * c-config-lang.in: Update paths in gtfiles for files in c-family/.

        * c-tree.h: Update include path for moved files.
        * c-lang.c: Likewise.
        * c-lang.h: Likewise.
        * c-parser.c: Likewise.
        * c-convert.c: Likewise.
        * c-decl.c: Likewise.
        * c-objc-common.c: Likewise.
        * configure.ac: Make sure c-family/ exists in the build directory.
        * configure: Regenerate.
        * Makefile.in: Update paths for moved files.  Regroup files per
        location and update dependencies.  Move generated_files down after
        ALL_GTFILES_H.

        * config/spu/spu-c.c: Update paths for moved files.
        * config/mep/mep-pragma.c: Likewise.
        * config/darwin-c.c: Likewise.
        * config/i386/msformat-c.c: Likewise.
        * config/i386/i386-c.c: Likewise.
        * config/avr/avr-c.c: Likewise.
        * config/sol2-c.c: Likewise.
        * config/ia64/ia64-c.c: Likewise.
        * config/rs6000/rs6000-c.c: Likewise.
        * config/arm/arm.c: Likewise.
        * config/arm/arm-c.c: Likewise.
        * config/h8300/h8300.c: Likewise.
        * config/v850/v850-c.c: Likewise.

        * config/t-darwin: Fix dependencies for moved files.
        * config/t-sol2: Fix dependencies for moved files.
        * config/mep/t-mep: Fix dependencies for moved files.
        * config/ia64/t-ia64: Fix dependencies for moved files.
        * config/rs6000/t-rs6000: Fix dependencies for moved files.
        * config/v850/t-v850: Fix dependencies for moved files.
        * config/v850/t-v850e: Fix dependencies for moved files.

        * config/m32c/m32c-pragma.c

        * po/exgettext: Look in c-family/ also.

2010-06-05  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-ssa-dce.c (mark_last_stmt_necessary): New function.
        (mark_control_dependent_edges_necessary): Call it instead of marking
        the last statement manually.
        (propagate_necessity): Likewise.

2010-06-05  Jan Hubicka  <jh@suse.cz>

        * basic-block.h (compute_dominance_frontiers): Updated.
        (compute_idf): Likewise.

        * tree-into-ssa.c (insert_phi_nodes): Use bitmap heads
        for dominance frontiers.
        (rewrite_into_ssa): Update for bitmap heads in dominance frontiers.
        (insert_updated_phi_nodes_for): Likewise.
        (update_ssa): Likewise.
        * cfganal.c (compute_dominance_frontiers_1): Likewise.
        (compute_dominance_frontiers): Likewise.
        (compute_idf): Likewise.
        * df-problems.c (df_md_local_compute): Likewise.

2010-06-05  Anatoly Sokolov  <aesok@post.ru>

        * target.h (struct gcc_target): Add memory_move_cost field.
        * target-def.h (TARGET_MEMORY_MOVE_COST): New.
        (TARGET_INITIALIZER): Use TARGET_MEMORY_MOVE_COST.
        * targhooks.c (default_memory_move_cost): New function.
        * targhooks.h (default_memory_move_cost): Declare function.
        * reload.h (memory_move_cost): Declare.
        (memory_move_secondary_cost): Change type of 'in' argument to bool.
        * reginfo.c (memory_move_cost): New function.
        (memory_move_secondary_cost): Change type of 'in' argument to bool.
        * ira.h (ira_memory_move_cost): Update comment.
        * ira.c (ira_memory_move_cost): Update comment.
        (setup_class_subset_and_memory_move_costs): Replace MEMORY_MOVE_COST
        with memory_move_cost.
        * postreload.c (reload_cse_simplify_set): (Ditto.).
        * reload1.c (choose_reload_regs): (Ditto.).
        * doc/tm.texi (TARGET_MEMORY_MOVE_COST): New.
        (MEMORY_MOVE_COST):  Revise documentation.

        * config/i386/i386.h (MEMORY_MOVE_COST): Remove macro.
        * config/i386/i386-protos.h (int ix86_memory_move_cost): Remove.
        * config/i386/i386.h (ix86_memory_move_cost): Make static. Change
        type of 'in' argument to bool.
        (TARGET_MEMORY_MOVE_COST): Define.

2010-06-05  Jan Hubicka  <jh@suse.cz>

        * ipa-pure-const.c (propagate): Fix typo in handling of functions
        that cannot return.  Be more careful when merging the results with
        previously known ones.

2010-06-05  Matthias Klose  <doko@ubuntu.com>

        * gcc.c (cc1_options, cpp_unique_options): Use find-plugindir spec
        function to add the -iplugindir option.
        (find_plugindir_spec_function): Add new declaration and function.
        (static_spec_func): Use it for "find-plugindir".

2010-06-05  Jakub Jelinek  <jakub@redhat.com>

        PR c++/44361
        * c-typeck.c (mark_exp_read): Handle C_MAYBE_CONST_EXPR.
        * c-parser.c (c_parser_postfix_expression): Call mark_exp_read on
        statement expression.

2010-06-05  Jan Hubicka  <jh@suse.cz>

        * df-problems.c (seen_in_block, seen_in_insn): Convert to bitmap_head.
        (df_rd_problem_data): Convert sparse_invalidated_by_call,
        dense_invalidated_by_call to bitmap head.
        (df_rd_alloc, df_rd_bb_local_compute_process_def,
        df_rd_bb_local_compute, df_rd_confluence_n, df_rd_transfer_function,
        df_rd_start_dump, df_lr_verify_transfer_functions,
        df_live_verify_transfer_functions, df_chain_create_bb,
        df_chain_add_problem, df_byte_lr_check_regs, df_byte_lr_alloc,
        df_byte_lr_confluence_0, df_byte_lr_confluence_n, df_note_compute,
        df_simulate_one_insn_forwards, df_md_alloc,
        df_md_bb_local_compute_process_def,
        df_md_bb_local_compute_process_def, df_md_local_compute,
        df_md_transfer_function df_md_free): Update.

2010-06-05  Joseph Myers  <joseph@codesourcery.com>

        PR c/44322
        * c-typeck.c (build_unary_op): Merge qualifiers into pointer
        target type for ADDR_EXPR; require no changes to qualifiers except
        for function types.
        * c-tree.h (c_build_type_variant): Remove.

2010-06-05  Segher Boessenkool  <segher@kernel.crashing.org>

        * genautomata.c (get_excl_set): Do work per element, not per char.
        (check_presence_pattern_sets): Similar.
        (check_absence_pattern_sets): Similar.

2010-06-05  Segher Boessenkool  <segher@kernel.crashing.org>

        * genautomata.c (curr_state_pass_num): Delete.
        (min_issue_delay_pass_states): Delete.
        (min_issue_delay): Delete.
        (initiate_min_issue_delay_pass_states): Delete.
        (output_min_issue_delay_table): Compute min_issue_delay_vect
        using a breadth-first search variant.
        (output_tables): Don't call initiate_min_issue_delay_pass_states.

2010-06-04  H.J. Lu  <hongjiu.lu@intel.com>

        PR boostrap/44421
        * df-problems.c (df_lr_bb_local_compute): Updated for embedded bitmaps.
        (df_byte_lr_bb_local_compute): Likewise.

2010-06-03  Jason Merrill  <jason@redhat.com>

        Implement noexcept operator (5.3.7)
        * c-common.c (c_common_reswords): Add noexcept.
        * c-common.h (enum rid): Add RID_NOEXCEPT.

2010-06-04  Joseph Myers  <joseph@codesourcery.com>

        * config/darwin-driver.c (darwin_default_min_version): Use
        GCC-specific formats in diagnostics.
        * cppspec.c (lang_specific_driver): Use GCC-specific formats in
        diagnostics.
        * gcc.c (translate_options, read_specs, add_sysrooted_prefix,
        execute, process_command, end_going_arg, do_self_spec, do_spec_1,
        eval_spec_function, handle_braces, process_brace_body, main,
        perror_with_name, used_arg, set_multilib_dir, print_multilib_info,
        getenv_spec_function, compare_version_strings,
        version_compare_spec_function): Use GCC-specific formats in
        diagnostics.

2010-06-04  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*addhi_1_lea) <TYPE_INCDEC, default>: Assert
        that operand 0 and operand 1 are equal.
        (*addqi_1_lea) <TYPE_INCDEC, default>: Ditto.
        (*add<mode>_2) <TYPE_INCDEC>: Remove assert that operand 0
        and operand 1 are equal.
        <default>: Ditto.  Remove ??? comment.
        (*add<mode>_3) <TYPE_INCDEC>: Remove assert that operand 0
        and operand 1 are equal.
        <default>: Ditto.  Remove ??? comment.
        (*adddi_4) <default>: Remove assert that operand 0 and operand 1
        are equal.
        (*add<mode>_4) <default>: Ditto.
        (*add<mode>_5) <TYPE_INCDEC, default>: Ditto.

2010-06-04  Nathan Froyd  <froydnj@codesourcery.com>

        * config/i386/i386-protos.h (ix86_print_operand): Declare.
        * config/i386/i386.c (ix86_print_operand): Make non-static.
        * config/i386/sol2.h (ASM_OUTPUT_CALL): Call ix86_print_operand.
        * output.h (output_operand): Declare.
        * final.c (output_operand): Make non-static.

2010-06-04  Alexandre Oliva  <aoliva@redhat.com>

        PR rtl-optimization/44013
        * sched-deps.c (add_dependence_list_and_free): Don't free lists
        when processing debug insns.

        PR debug/41371
        * var-tracking.c (find_loc_in_1pdv): Mark initial value before
        recursing.  Check that recursion is bounded.  Rename inner var
        to avoid hiding incoming argument.

2010-06-04  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*addqi_2) <TYPE_INCDEC>: Do not assert that
        operands[2] == 255.
        (*addqi_3): Ditto.
        (*addqi_4): Ditto.
        (*addqi_5): Ditto.
        (*addqi_ext_1_rex64): Ditto.
        (*addqi_ext_1): Ditto.

        (*addqi_4): Check for incdec_operand in QImode.

        (*add<mode>_2): Macroize insn from *add<mode>_2 and *add{qi,hi}_2
        using SWI mode iterator.
        (*add<mode>_3): Ditto from *add<mode>_3 and *add{qi,hi}_3.
        (*add<mode>_4): Macroize insn from *add{qi,hi,si}_4 using SWI124
        mode iterator.
        (*add<mode>_5): Macroize insn from *add<mode>_5 and *add{qi,hi}_5
        using SWI mode iterator.

2010-06-04  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/25880
        * c-objc-common.c (c_tree_printer): Handle %V, %v and %#v.
        * c-format.c (gcc_diag_flag_specs): Add hash.
        (gcc_cxxdiag_flag_specs): Use gcc_diag_flag_specs directly.
        (gcc_tdiag_char_table,gcc_cdiag_char_table): Handle %V and %v.
        * c-pretty-print.c (pp_c_cv_qualifier): Rename as
        pp_c_cv_qualifiers. Handle qualifiers spelling here.
        (pp_c_type_qualifier_list): Call the function above.
        * c-pretty-print.h (pp_c_cv_qualifiers): Declare.
        * c-typeck.c (handle_warn_cast_qual): Print qualifiers.
        (WARN_FOR_QUALIFIERS): New macro.
        (convert_for_assignment): Use it.

2010-06-04  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/cygming.h (ASM_GENERATE_INTERNAL_LABEL): Prefix by '*'.

2010-06-04  Jan Hubicka  <jh@suse.cz>

        * df.h (df_rd_bb_info, df_md_bb_info, df_lr_bb_info, df_live_bb_info,
        df_byte_lr_bb_info): Embedd bitmap_head into the structure.
        (DF_LIVE_IN, DF_LIVE_OUT, DF_LR_IN, DF_LR_OUT, DF_BYTE_LR_IN,
        DF_BYTE_LR_OUT): Update for embedded bitmaps.
        * fwprop.c (single_def_use_enter_block): Likewise.
        * ddg.c (create_ddg_dep_from_intra_loop_link,
        add_cross_iteration_register_deps, build_inter_loop_deps): Likewise.
        * loop-iv.c (latch_dominating_def): Likewise.
        * df-problems.c (df_rd_free_bb_info, df_rd_alloc,
        df_rd_bb_local_compute_process_def, df_rd_bb_local_compute_process_def,
        df_rd_init_solution, df_rd_init_solution, df_rd_transfer_function,
        df_rd_transfer_function, df_rd_top_dump,
        df_rd_bottom_dump): Update.
        (df_lr_free_bb_info, df_lr_alloc, df_lr_reset, df_lr_bb_local_compute,
        df_lr_bb_local_compute, df_lr_bb_local_compute, df_lr_bb_local_compute,
        df_lr_bb_local_compute, df_lr_local_compute, df_lr_init, df_lr_init,
        df_lr_confluence_0, df_lr_free, df_lr_top_dump, df_lr_bottom_dump,
        df_lr_verify_solution_start, df_lr_verify_solution_end,
        df_lr_verify_transfer_functions, df_lr_verify_transfer_functions,
        df_live_free_bb_info, df_live_alloc, df_live_reset,
        df_live_bb_local_compute, df_live_init, df_live_transfer_function,
        df_live_finalize, df_live_free, df_live_top_dump, df_live_bottom_dump,
        df_live_verify_solution_start, df_live_verify_solution_end,
        df_live_verify_transfer_functions, df_chain_create_bb,
        df_byte_lr_free_bb_info, df_byte_lr_alloc, df_byte_lr_reset,
        df_byte_lr_bb_local_compute, df_byte_lr_bb_local_compute,
        df_byte_lr_bb_local_compute, df_byte_lr_bb_local_compute,
        df_byte_lr_bb_local_compute, df_byte_lr_local_compute, df_byte_lr_init,
        df_byte_lr_confluence_0, df_byte_lr_confluence_n,
        df_byte_lr_transfer_function, df_byte_lr_top_dump,
        df_byte_lr_bottom_dump, df_create_unused_note,
        df_note_bb_compute, df_md_free_bb_info, df_md_alloc,
        df_md_bb_local_compute_process_def, df_md_local_compute, df_md_reset,
        df_md_transfer_function, df_md_init, df_md_confluence_0,
        df_md_confluence_n,
        df_md_top_dump, df_md_bottom_dump): Update.
        (struct df_lr_problem_data): Embedd bitmap headers.

2010-06-04  Jan Hubicka  <jh@suse.cz>

        * dce.c (dce_process_block): Do not re-scan already marked
        instructions.

2010-06-04  Bernd Schmidt  <bernds@codesourcery.com>

        PR rtl-optimization/39871
        PR rtl-optimization/40615
        PR rtl-optimization/42500
        PR rtl-optimization/42502
        * ira.c (init_reg_equiv_memory_loc: New function.
        (ira): Call it twice.
        * reload.h (calculate_elim_costs_all_insns): Declare.
        * ira-costs.c: Include "reload.h".
        (regno_equiv_gains): New static variable.
        (init_costs): Allocate it.
        (finish_costs): Free it.
        (ira_costs): Call calculate_elim_costs_all_insns.
        (find_costs_and_classes): Take estimated elimination costs
        into account.
        (ira_adjust_equiv_reg_cost): New function.
        * ira.h (ira_adjust_equiv_reg_cost): Declare it.
        * reload1.c (init_eliminable_invariants, free_reg_equiv,
        elimination_costs_in_insn, note_reg_elim_costly): New static functions.
        (elim_bb): New static variable.
        (reload): Move code out of here into init_eliminable_invariants and
        free_reg_equiv.  Call them.
        (calculate_elim_costs_all_insns): New function.
        (eliminate_regs_1): Declare.  Add extra arg FOR_COSTS;
        all callers changed.  If FOR_COSTS is true, don't call alter_reg,
        but call note_reg_elim_costly if we turned a valid memory address
        into an invalid one.
        * Makefile.in (ira-costs.o): Depend on reload.h.

2010-06-04  Julian Brown  <julian@codesourcery.com>

        * config/arm/thumb2.md (*thumb2_movdf_soft_insn): Fix alternatives
        for pool ranges.

2010-06-04  Richard Guenther  <rguenther@suse.de>

        PR lto/41584
        * cgraph.h (struct varpool_node): Add lto_file_data field.
        * lto-cgraph.c (input_varpool_node): Initialize it.

2010-06-04  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/predicates.md (pic_symbolic_operand): Remove predicate.
        * config/i386/i386.md (*add<mode>_1): Do not use pic_symbolic_operand
        predicate in "type" attribute calculation.
        (*addsi_1_zext): Ditto.
        (*add<mode>_2): Do not use pic_symbolic_operand in insn predicate.
        (*addsi_2_zext): Ditto.
        (*add<mode>_3): Ditto.
        (*addsi_3_zext): Ditto.
        (*add<mode>_5): Ditto.

2010-06-03  Jan Hubicka  <jh@suse.cz>

        * tree-into-ssa.c (mark_block_for_update): Avoid redundant call
        of bitmap_bit_p.
        * cfganal.c (compute_dominance_frontiers_1): Likewise.

2010-06-03  Jan Hubicka  <jh@suse.cz>

        * df-problems.c (df_create_unused_note, df_note_bb_compute):
        micro-optimize the checks when to add new note.

2010-06-03  Nathan Froyd  <froydnj@codesourcery.com>

        * final.c (output_asm_insn): Call
        targetm.asm_out.print_operand_punct_valid_p.  Update comments.
        (output_operand): Call targetm.asm_out.print_operand.  Update comments.
        (output_address): Call targetm.asm_out.print_operand_address.
        Update comments.
        * target.h (struct gcc_target): Add print_operand,
        print_operand_address, and print_operand_punct_valid_p fields.
        * targhooks.h (default_print_operand): Declare.
        (default_print_operand_address): Declare.
        (default_print_operand_punct_valid_p): Declare.
        * targhooks.c (default_print_operand): Define.
        (default_print_operand_address): Define.
        (default_print_operand_punct_valid_p): Define.
        * target-def.h (TARGET_PRINT_OPERAND): Define if not defined.
        (TARGET_PRINT_OPERAND_ADDRESS): Likewise.
        (TARGET_PRINT_OPERAND_PUNCT_VALID_P): Likewise.
        (TARGET_ASM_OUT): Add TARGET_PRINT_OPERAND,
        TARGET_PRINT_OPERAND_ADDRESS, and TARGET_PRINT_OPERAND_PUNCT_VALID_P.
        * vmsdbgout.c (addr_const_to_string): Update comment.
        * config/i386/i386.c (print_operand): Rename to...
        (ix86_print_operand): ...this.  Make static.
        (print_operand_address): Rename to...
        (ix86_print_operand_address): ...this.  Make static.  Call
        ix86_print_operand instead of PRINT_OPERAND.
        (ix86_print_operand_punct_valid_p): New function.
        (TARGET_PRINT_OPERAND): Define.
        (TARGET_PRINT_OPERAND_ADDRESS): Define.
        (TARGET_PRINT_OPERAND_PUNCT_VALID_P): Define.
        * config/i386/i386.h (HI_REGISTER_NAMES): Update comment.
        (PRINT_OPERAND_PUNCT_VALID_P): Delete.
        (PRINT_OPERAND): Delete.
        (PRINT_OPERAND_ADDRESS): Delete.
        * config/i386/i386-protos.h (print_operand): Delete prototype.
        (print_operand_address): Delete prototype.

2010-06-03  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44403
        * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
        Preserve pointer qualifiers.
        (vect_create_data_ref_ptr): Likewise.

2010-06-03  H.J. Lu  <hongjiu.lu@intel.com>

        PR c++/44294
        * defaults.h (MAX_FIXED_MODE_SIZE): New.

        * stor-layout.c (MAX_FIXED_MODE_SIZE): Removed.

2010-06-03  Jakub Jelinek  <jakub@redhat.com>

        PR debug/44375
        * tree-cfg.c (gimple_can_merge_blocks_p): For -O0
        return false if merging the bbs would lead to goto_locus
        location being lost from the IL.

2010-06-03  Jan Hubicka  <jh@suse.cz>
            Jakub Jelinek  <jakub@redhat.com>

        * var-tracking.c (dataflow_set_equiv_regs): Shortcut the loop if
        set->regs[i] is NULL or has just one entry.

2010-06-03  Jan Hubicka  <jh@suse.cz>

        * lto-cgraph.c (lto_varpool_encoder_size): Remove.
        * lto-streamer.h (lto_varpool_encoder_size): New inline function.

2010-06-03  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (FL_TUNE): Define.
        (arm_default_cpu, arm_cpu_select): Remove.
        (all_cores): Populate core field.
        (arm_selected_arch, arm_selected_cpu, arm_selected_tune): New.
        (arm_find_cpu): New function.
        (arm_handle_option): Lookup cpu/architecture names.
        (arm_override_options): Cleanup mcpu/march/mtune handling.
        (arm_file_start): Ditto.

2010-06-03  Alan Modra  <amodra@gmail.com>

        PR target/44169
        * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Add label operand.
        * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Pass label
        rtx to gen_load_toc_v4_PIC_1b.  Tidy.
        (rs6000_emit_load_toc_table): Likewise.

2010-06-02  Jan Hubicka  <jh@suse.cz>

        * passes.c (init_optimization_passes): Put ipa reference
        after ipa pure-const.

2010-06-02  Jan Hubicka  <jh@suse.cz>

        * ipa-reference.c (ipa_reference_local_vars_info_d): Remove
        calls_read_all and calls_write_all.
        (get_reference_optimization_summary): Fix formatting.
        (is_proper_for_analysis): Check that decl is not readonly.
        (propagate_bits): Check CONST/PURE/noreturn flags.
        (ipa_init): Move all_module_statics to optimization_summary_obstack.
        (analyze_function): Ignore indirect edges.
        (copy_global_bitmap): For all module statics, do nothing.
        (generate_summary): Do not print calls_read_all/calls_write_all.
        (read_write_all_from_decl): Take node as argument; check
        cgraph_node_cannot_return.
        (propagate): Reorganize read_all/write_all computation;
        check indirect edges; check ecf flags; use all_module_statics
        in the results; do not free all_module_statics.
        (stream_out_bitmap): Handle all_module_statics.
        (ipa_reference_write_optimization_summary): Likewise; use
        varpool/cgraph encoders to get boundaries.
        (ipa_reference_read_optimization_summary): Read in all_module_statics;
        use it when possible.

2010-06-02  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/44218
        * doc/invoke.texi (RS/6000 and PowerPC Options): Delete obsolete
        -mswdiv option.  Add -mrecip, -mrecip=<xxx>, -mrecip-precision options.

        * doc/extend.texi (powerpc builtins): Document vec_recip,
        vec_rsqrt, vec_rsqrte altivec/vsx builtins.

        * config/rs6000/rs60000-protos.h (rs6000_emit_swdiv): New function.
        (rs6000_emit_swrsqrt): Ditto.
        (rs6000_emit_swdivsf): Delete.
        (rs6000_emit_swdivdf): Ditto.
        (rs6000_emit_swrsqrtsf): Ditto.

        * config/rs6000/rs6000.c (rs6000_recip_bits): New global to
        describe the reciprocal estimate support for each type.
        (recip_options): Map -mrecip=<opt> into option bits.
        (gen_2arg_fn_t): New typedef for binary rtx gen function.
        (rs6000_debug_reg_global): If -mdebug=reg, print the state of the
        reciprocal estimate instructions.
        (rs6000_init_hard_regno_mode_ok): Key ws constraint off of the
        debug -mvsx-scalar-memory switch instead of -mvsx-scalar-double.
        Set up rs6000_recip_bits based on the -mrecip* options.  Print the
        cost information if -mdebug=cost or -mdebug=reg.
        (rs6000_override_options): Set -mrecip-precision for power6, and
        power7 machines.  If -mvsx or -mdfp, enable various options that
        came in previous instruction set ISAs, unless the option was
        explicitly disabled by the command line option.  Parse
        -mrecip=<opt> options.
        (rs6000_builtin_vectorized_function): Add support for vectorizing
        the reciprocal estimate builtins and expansions.
        (rs6000_handle_option): Add -mrecip, -mrecip=<opt> support.
        (bdesc_2arg): Add reciprocal estimate builtins.
        (bdesc_1arg): Add reciprocal square root estimate builtins.
        (rs6000_expand_builtin): Rewrite to use a switch statement,
        instead of multiple if/then/elses.  Add reciprocal estimate builtins.
        (rs6000_init_builtins): Create declarations for reciprocal
        estimate builtins.
        (rs6000_preferred_reload_class): Simplify VSX preferences, if scalar
        sized, prefer traditional floating point registers, if integer
        vector types, prefer altivec registers.  Don't actually look at
        the memory address any more.
        (rs6000_builtin_reciprocal): Add new builtin reciprocal estimate
        builtins.
        (rs6000_load_constant_and_splat): New helper function to load up
        the constant for reciprocal estimate instructions.
        (rs6000_emit_madd): New helper function for generating
        multiply/add type instructions, based on the current switches.
        (rs6000_emit_msub): Ditto.
        (rs6000_emit_mnsub): Ditto.
        (rs6000_emit_swdiv_high_precision): Replace rs6000_emit_swdivsf to
        replace a divide with a reciprocal estimate and fixup, adding
        support for machines with high precision and vectors.
        (rs6000_emit_swdiv_low_precision): Rewrite rs6000_emit_swdivdf for
        low precision machines.
        (rs6000_emit_swdiv): New common function to be called to replace a
        division with reciprocal estimate and fixup.
        (rs6000_emit_swrsqrt): Replace rs6000_emit_swrsqrtsf.  Add support
        for double and vector types.  Add support for high precision machines.

        * config/rs6000/rs6000.h (TARGET_FRES): New macro to say whether
        the reciprocal estimate instructions can be generated.
        (TARGET_FRE): Ditto.
        (TARGET_FRSQRTES): Ditto.
        (TARGET_FRSQRTE): Ditto.
        (RS6000_RECIP_*): New macros for reciprocal estimate support.

        * config/rs6000/vector.md (rsqrte<mode>2): New insn for reciprocal
        square root estimate on vectors.
        (re<mode>2): New insn for reciprocal division estimate on vectors.

        * config/rs6000/rs6000-buitlins.def (ALTIVEC_BUILTIN_VRSQRTFP):
        New builtin.
        (ALTIVEC_BUILTIN_VRECIPFP): Ditto.
        (ALTIVEC_BUITLIN_VEC_RE): Ditto.
        (ALTIVEC_BUILTIN_VEC_RSQRT): Ditto.
        (VSX_BUILTIN_RSQRT_V4SF): Ditto.
        (VSX_BUITLIN_RSQRT_V2DF): Ditto.
        (RS6000_BUILTIN_RSQRT): Ditto.
        (ALTIVEC_BUILTIN_VEC_RSQRTE): Denote that the builtin is a
        floating point builtin.

        * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
        macros __RECIP__, __RECIPF__, __RSQRTE__, __RSQRTEF__,
        __RECIP_PRECISION__ based on the command line switches.
        (altivec_overloaded_builtins): Add reciprocal estimate builtins.

        * config/rs6000/rs6000.opt (-mrecip): Document add support for
        replacing division instructions with reciprocal estimate and fixup.
        (-mrecip=<opt>): New option.
        (-mrecip-precision): Ditto.

        * config/rs6000/vsx.md (UNSPEC_VSX_RSQRTE): Delete.
        (vsx_rsqrte<mode>2): Use UNSPEC_RSQRT not UNSPEC_VSX_RSQRTE.
        (vsx_copysignsf3): If -mvsx, use double precision cpsign on single
        precision scalar.

        * config/rs6000/altivec.md (UNSPEC_RSQRTEFP): Delete.
        (UNSPEC_VREFP): Ditto.
        (altivec_vnmsubfp*): Make altivec nmsub mirror the scalar and VSX
        conterparts with regard to support of -mno-fused-madd and -ffast-math.
        (altivec_vrsqrtefp): Use common UNSPEC to allow scalar/vector
        reciprocal estimate instructions to be generated.
        (altivec_vrefp): Ditto.

        * config/rs6000/rs6000.md (RECIPF): New iterator for reciprocal
        estimate support.
        (rreg): New mode attribute for reciprocal estimate support.
        (recip<mode>3): New insn for division using reciprocal estimate
        and fixup builtins.
        (divide define_split): New define_split to convert floating point
        division to use reciprocal estimate if the user used the
        appropriate options and the split is run when we can add new
        pseudo registers for the fixup.
        (rsqrt<mode>2): New insn for reciprocal square root support.
        (recipsf3): Move into recip<mode>3.
        (recipdf3): Ditto.
        (fres): Use TARGET_FRES.
        (rsqrtsf2): Move into rsqrt<mode>2.
        (rsqrtsf_internal1): Use TARGET_FRSQRTSES.
        (copysignsf3): Add support for VSX.
        (fred): Use TARGET_FRE.
        (fred_fpr): Ditto.
        (rsqrtdf_internal1): New function for frsqrte instruciton.

        * config/rs6000/altivec.h (vec_recipdiv): Define new vector builtin.
        (vec_rsqrt): Ditto.

2010-06-03  Richard Guenther  <rguenther@suse.de>

        PR middle-end/44291
        * optabs.c (init_one_libfunc): Use IDENTIFIER_HASH_VALUE.
        (set_user_assembler_libfunc): Likewise.

2010-06-02  Steven Bosscher  <steven@gcc.gnu.org>

        * mkconfig.sh: Include insn-flags.h and insn-constants.h before
        defaults.h.
        * except.h: Move MUST_USE_SJLJ_EXCEPTIONS and USING_SJLJ_EXCEPTIONS
        to defaults.h
        * expr.h (BRANCH_COST, MOVE_RATIO, CLEAR_RATIO, SET_RATIO,
        DEFAULT_FUNCTION_ARG_PADDING, FUNCTION_ARG_PADDING,
        FUNCTION_ARG_BOUNDARY, STACK_SAVEAREA_MODE, STACK_SIZE_MODE,
        STACK_CHECK_BUILTIN, STACK_CHECK_STATIC_BUILTIN,
        STACK_CHECK_PROBE_INTERVAL_EXP, STACK_CHECK_MOVING_SP,
        STACK_OLD_CHECK_PROTECT, STACK_CHECK_PROTECT,
        STACK_CHECK_MAX_FRAME_SIZE, STACK_CHECK_FIXED_FRAME_SIZE,
        STACK_CHECK_MAX_VAR_SIZE): Move target macro defaults to defaults.h.
        * defaults.h: Updated for above mentioned changes.

2010-06-02  Kai Tietz  <kai.tietz@onevision.com>

        * c-common.c: Remove header include of tm_p.h.
        * Makefile.in (c-common.o): Remove TM_P_H dependency.

2010-06-02  Jakub Jelinek  <jakub@redhat.com>

        * tree.h (struct tree_decl_map): New type.
        (tree_decl_map_eq, tree_decl_map_marked_p): Define.
        (tree_decl_map_hash): New prototype.
        (debug_expr_for_decl, value_expr_for_decl): Change into
        tree_decl_map hashtab from tree_map.
        (init_ttree): Adjust initialization.
        (tree_decl_map_hash): New function.
        (decl_debug_expr_lookup, decl_debug_expr_insert,
        decl_value_expr_lookup, decl_value_expr_insert): Adjust.

2010-06-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (gcc_cv_ld_sol2_emulation): Test for GNU ld *_sol2
        linker emulations.
        * configure: Regenerate.
        * config.in: Regenerate.

        * config/i386/sol2-10.h [TARGET_GNU_LD] (I386_EMULATION): Define.
        (X86_64_EMULATION): Define.
        (TARGET_LD_EMULATION): Use them.

        * config/sparc/sol2-gld-bi.h (SPARC32_EMULATION): Define.
        (SPARC64_EMULATION): Define.
        (LINK_ARCH_SPEC): Use them.

2010-06-02  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (gcc_type_for_interval): Use
        smallest_mode_for_size for computing the precision types of new
        graphite IVs.  Do not call lang_hooks.types.type_for_size.

2010-06-02  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c (predicate_bbs): Do not reset the GIMPLE_DEBUG
        information.
        (remove_conditions_and_labels): Reset the GIMPLE_DEBUG information.

2010-06-02  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/44363
        * tree-if-conv.c (predicate_bbs): Do not call gcc_unreachable,
        return false instead.

2010-06-02  Jan Hubicka  <jh@suse.cz>

        PR middle-end/44295
        * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Do not
        create new cgraph node to check callee.

2010-06-02  Richard Guenther  <rguenther@suse.de>

        * lto-streamer-in.c (input_gimple_stmt): Fix typo.

2010-06-02  Richard Guenther  <rguenther@suse.de>

        * lto-wrapper.c (lto_wrapper_exit): Rename to ...
        (lto_wrapper_cleanup): ... this.  Do not exit.
        (fatal): Adjust.  Exit here.
        (fatal_perror): Likewise.
        (fatal_signal): New function.
        (main): Set up signal handlers to cleanup temporary files.
        * Makefile.in (lto-wrapper.o): Adjust dependencies.

2010-06-02  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44377
        * tree-ssa-structalias.c (find_func_aliases): Fix typo.

2010-06-02  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/2097.md (z10_fhex): Remove insn reservation.
        * config/s390/s390.md (UNSPEC_COPYSIGN): Remove unused constant.
        (*mov<mode>_64 TD_TF, *mov<mode>_31 TD_TF, *mov<mode>_64dfp DD_DF,
        *mov<mode>_64 DD_DF, *mov<mode>_31, mov<mode>): Remove load zero
        instruction.
        * config/s390/s390.c: Don't accept fp zeros as valid constants anymore.

2010-06-02  Jan Hubicka  <jh@suse.cz>

        * bitmap.c (bitmap_descriptor): Add search_iter.
        (bitmap_find_bit): Increment it.
        (print_statistics): Print it.

2010-06-02  Nathan Froyd  <froydnj@codesourcery.com>

        * tree-vect-slp.c (vect_create_mask_and_perm): Use gimple_build_call
        instead of gimple_build_call_vec.  Delete unnecessary local variable.

2010-06-02  Steven Bosscher  <steven@gcc.gnu.org>

        * gimplify.c (gimplify_body): Revert "Do not initialize RTL profiling"
        change from yesterday.

2010-06-02  Steven Bosscher  <steven@gcc.gnu.org>

        * c-ada-spec.c: Clean up redundant includes.

2010-06-01  Steven Bosscher  <steven@gcc.gnu.org>

        * gimplify.c: Do not include except.h and optabs.h.
        (gimplify_body): Do not initialize RTL profiling.
        * gimple-low.c: Do not include rtl.h, diagnostic.h, langhooks.h,
        langhooks-def.h, timevar.h, except.h, hashtab.h, and expr.h.
        * gimple-fold.c: Do not include rtl.h, tm_p.h, ggc.h, basic-block.h,
        output.h, expr.h, diagnostic.h, timevar.h, value-prof.h, and
        langhooks.h.

        * tree-pretty-print.h: Include pretty-print.h.
        * gimple-pretty-print.h: Include pretty-print.h.

        * tree-pretty-print.c: Do not include diagnostic.h.
        * tree-vrp.c: Likewise.
        * tree-tailcall.c: Likewise
        * tree-scalar-evolution.c: Likewise
        * tree-ssa-dse.c: Likewise
        * tree-chrec.c: Likewise
        * tree-ssa-sccvn.c: Likewise
        * tree-ssa-copyrename.c: Likewise
        * tree-nomudflap.c: Likewise
        * tree-call-cdce.c: Likewise
        * tree-stdarg.c: Likewise
        * tree-ssa-math-opts.c: Likewise
        * tree-nrv.c: Likewise
        * tree-ssa-sink.c: Likewise
        * tree-browser.c: Likewise
        * tree-ssa-loop-ivcanon.c: Likewise
        * tree-ssa-loop.c: Likewise
        * tree-parloops.c: Likewise
        * tree-ssa-address.c: Likewise
        * tree-ssa-ifcombine.c: Likewise
        * tree-if-conv.c: Likewise
        * tree-data-ref.c: Likewise
        * tree-affine.c: Likewise
        * tree-ssa-phiopt.c: Likewise
        * tree-ssa-coalesce.c: Likewise
        * tree-ssa-pre.c: Likewise
        * tree-ssa-live.c: Likewise
        * tree-predcom.c: Likewise
        * tree-ssa-forwprop.c: Likewise
        * tree-ssa-dce.c: Likewise
        * tree-ssa-ter.c: Likewise
        * tree-ssa-loop-prefetch.c: Likewise
        * tree-optimize.c: Likewise
        * tree-ssa-phiprop.c: Likewise
        * tree-object-size.c: Likewise
        * tree-outof-ssa.c: Likewise
        * tree-ssa-structalias.c: Likewise
        * tree-switch-conversion.c: Likewise
        * tree-ssa-reassoc.c: Likewise
        * tree-ssa-operands.c: Likewise
        * tree-vectorizer.c: Likewise
        * tree-vect-data-refs.c: Likewise
        * tree-vect-generic.c: Likewise
        * tree-vect-stmts.c: Likewise
        * tree-vect-patterns.c: Likewise
        * tree-vect-slp.c: Likewise
        * tree-vect-loop.c: Likewise
        * tree-ssa-loop-ivopts.c: Likewise
        * tree-ssa-loop-im.c: Likewise
        * tree-ssa-loop-niter.c: Likewise
        * tree-ssa-loop-unswitch.c: Likewise
        * tree-ssa-loop-manip.c: Likewise
        * tree-ssa-loop-ch.c: Likewise
        * tree-dump.c: Likewise
        * tree-complex.c: Likewise

        * tree-into-ssa.c: Do not include diagnostic.h and expr.h.
        * tree-ssa-uninit.c: Likewise
        * tree-ssa-threadupdate.c: Likewise
        * tree-ssa-uncprop.c: Likewise
        * tree-ssa-ccp.c: Likewise
        * tree-ssa-dom.c: Likewise
        * tree-ssa-propagate.c: Likewise
        * tree-ssa-alias.c: Likewise
        * tree-dfa.c: Likewise
        * tree-cfgcleanup.c: Likewise
        * tree-sra.c: Likewise
        * tree-ssa-copy.c: Likewise
        * tree-ssa.c: Likewise
        * tree-profile.c: Likewise
        * tree-cfg.c: Likewise
        * tree-ssa-threadedge.c: Likewise
        * tree-vect-loop-manip.c: Likewise

        * tree-inline.c: Do not include diagnostic.h and expr.h.
        Include rtl.h.
        (copy_decl_for_dup_finish): Do not use NULL_RTX.

        * tree-loop-linear.c: Do not include diagnostic.h, expr.h and optabs.h.
        * tree-loop-distribution.c: Likewise.

2010-06-01  Jan Hubicka  <jh@suse.cz>

        * ipa-pure-const.c (local_pure_const): Do NORETURN discovery.

2010-06-01  Jan Hubicka  <jh@suse.cz>

        * tree-cfgcleanup.c (fixup_noreturn_call): Break out from ...;
        remove return value.
        (split_bbs_on_noreturn_calls) .... here.
        * tree-optimize.c (execute_fixup_cfg): Fixup noreturn calls too.
        * tree-flow.h (fixup_noreturn_call): New.

2010-06-01  Jan Hubicka  <jh@suse.cz>

        * emit-rtl.c (remove_insn): Fix thinko in prevoius patch.

2010-06-01  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.h (build_nt_call_list): Delete.
        * tree.c (build_nt_call_list): Delete.

2010-06-01  Jan Hubicka  <jh@suse.cz>

        * fwprop.c: Make emit-rtl.h include last.
        * rtlanal.c: Include emit-rtl.h.
        * genautomata.c: Output emit-rtl include into insn-automata.c
        * df-scan.c: Include emit-rtl.h.
        * haifa-sched.c: Indlude emit-rtl.h.
        * mode-switching.c: Indlude emit-rtl.h.
        * graph.c: Indlude emit-rtl.h.
        * sel-sched.c: Include emit-rtl.h.
        * sel-sched-ir.c: Include emit-rtl.h.
        * ira-build.c: Include emit-rtl.h.
        * emit-rtl.c (first_insn, last_insn): Remove defines.
        (get_insns, set_first_insn, get_last_insn, set_last_insn, get_max_uid):
        Move to emit-rtl.h.
        (set_new_first_and_last_insn, get_last_insn_anywhere,
        get_first_nonnote_insn, get_last_nonnote_insn, try_split,
        make_call_insn_raw, add_insn_after, add_insn_before, remove_insn,
        delete_insns_since, reorder_insns_nobb, emit_insn_after_1,
        emit_debug_insn_before, emit_insn, start_sequence, push_to_sequence,
        push_to_sequence2, push_topmost_sequence, end_sequence, copy_insn):
        Use accessor functions.
        * emit-rtl.h (gen_blockage, gen_rtvec, copy_insn_1, copy_insn,
         gen_int_mode, emit_copy_of_insn_after, set_reg_attrs_from_value,
        set_reg_attrs_for_parm, set_reg_attrs_for_decl_rtl, adjust_reg_mode,
        mem_expr_equal_p): Move here from rtl.h.
        (get_insns, set_first-insn, get_last_insn, set_last_insn, get_max_uid):
        Move here from emit-rtl.c; make inline.
        * cfglayout.h: Include emit-rtl.h.
        * rtl.h (gen_blockage, gen_rtvec, copy_insn_1, copy_insn,
         gen_int_mode, emit_copy_of_insn_after, set_reg_attrs_from_value,
        set_reg_attrs_for_parm, set_reg_attrs_for_decl_rtl, adjust_reg_mode,
        mem_expr_equal_p, get_insns, set_first-insn,
        get_last_insn, set_last_insn, get_max_uid): Move to emit-rtl.h.
        * reg-stack.c: Include emit-rtl.h.
        * dce.c: Likewise.

2010-06-01  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (tree_function_versioning): Update prototype.
        (cgraph_function_versioning): Update prototype.
        * cgraphunit.c (cgraph_copy_node_for_versioning): Accept bbs_to_copy
        bitmap.
        (cgraph_function_versioning): Accept new_entry_block and bbs_to_copy.
        (cgraph_materialize_clone, save_inline_function_body): Update use of
        tree_function_versioning.
        * tree-inline.c (copy_bb): Look for previous copied block to link
        after; fix debug output.
        (copy_cfg_body): Accept new_entry_block and bbs_to_copy.
        (copy_body): Likewise.
        (expand_call_inline): Update use of copy_body.
        (tree_function_versioning): Update use of copy body; accept
        blocks_to_copy and new_entry.

2010-06-01  Jan Hubicka  <jh@suse.cz>

        * gegenrtl.c: Remove unnecesary prototypes.
        (gendecl): Remove.
        (gendef): Produce static inline.
        (gencode): Remove.
        (main): Do not decode parameters; generate header only.
        * Makefile.in (genrtl.c): Remove.

2010-06-01  Jan Hubicka  <jh@suse.cz>

        * tree-switch-conversion.c (build_one_array): Make it readonly.

2010-06-01  Richard Guenther  <rguenther@suse.de>

        * optabs.c (init_optabs): Guard all accesses to reinit.
        * ipa-pure-const.c (propagate): Fix another typo.
        * opts.c (common_handle_option): Split assignment to bool.
        * c-opts.c (c_common_handle_option): Likewise.

2010-06-01  Arnaud Charlet  <charlet@adacore.com>
            Matthew Gingell  <gingell@adacore.com>

        * doc/invoke.texi: Mention -fdump-ada-spec.
        * tree-dump.c (dump_files): Add ada-spec.
        (FIRST_AUTO_NUMBERED_DUMP): Bump to 8.
        * tree-pass.h (tree_dump_index): Add TDI_ada.
        * gcc.c: Add support for -C without -E and for -fdump-ada-spec.
        (cpp_unique_options): Do not reject -C or -CC when -E isn't present.
        (default_compilers) <@c-header>: Allow -fdump-ada-spec on header files.
        * c-decl.c: Include c-ada-spec.h.
        (collect_source_ref_cb, collect_all_refs, for_each_global_decl): New
        functions.
        (c_write_global_declarations): Add handling of -fdump-ada-spec.
        * c-lex.c (c_lex_with_flags): Add handling of CPP_COMMENT.
        * Makefile.in (C_AND_OBJC_OBJS): Add c-ada-spec.o.
        * c-ada-spec.h, c-ada-spec.c: New files.

2010-06-01  Richard Guenther  <rguenther@suse.de>

        PR lto/43853
        * ipa-pure-const.c (get_function_state): Hand back varying state
        if we do not have one.
        (has_function_state): New function.
        (duplicate_node_data): Adjust.
        (remove_node_data): Likewise.
        (pure_const_write_summary): Likewise.
        (propagate): Likewise.  Fix typo.

2010-06-01  Jan Hubicka  <jh@suse.cz>

        * tree-cfg.c (verify_stmt): Do not skip could_throw test.
        * passes.c (execute_function_todo): Do not make implicit verify_ssa.
        (execute_all_ipa_transforms): Do not play with the states.

2010-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * config/arm/t-linux-androideabi: New.
        * config.gcc (arm*-*-linux-androideabi): Include multilib config.

2010-06-01  Jan Hubicka  <jh@suse.cz>

        * tree-inline.c (estimate_num_insns): For stdarg functions look
        into call statement to count cost of argument passing.

2010-06-01  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386.c (ix86_output_addr_vec_elt): Make LPREFIX
        argument for fprintf.
        (ix86_output_addr_diff_elt): Likewise.
        (x86_function_profiler): Likewise.
        * config/cygming.h (LOCAL_LABEL_PREFIX): Fix for x64 no-underscore.
        (LPREFIX): Likewise.
        (ASM_GENERATE_INTERNAL_LABEL): Likewise.

2010-05-31  Jakub Jelinek  <jakub@redhat.com>

        PR target/44338
        * config/i386/sse.md (fma4i_fmadd<mode>4256, fma4i_fmsub<mode>4256,
        fma4i_fnmadd<mode>4256, fma4i_fnmsub<mode>4256, fma4i_fmadd<mode>4,
        fma4i_fmsub<mode>4, fma4i_fnmadd<mode>4, fma4i_fnmsub<mode>4,
        fma4i_vmfmadd<mode>4, fma4i_vmfmsub<mode>4, fma4i_vmfnmadd<mode>4,
        fma4i_vmfnmsub<mode>4, fma4i_fmaddsubv8sf4, fma4i_fmaddsubv4df4,
        fma4i_fmaddsubv4sf4, fma4i_fmaddsubv2df4, fma4i_fmsubaddv8sf4,
        fma4i_fmsubaddv4df4, fma4i_fmsubaddv4sf4, fma4i_fmsubaddv2df4):
        Guard only with TARGET_FMA4 instead of TARGET_FMA4 &&
        TARGET_FUSED_MADD.

2010-05-31  Jan Hubicka  <jh@suse.cz>

        * tree.h (tree_range_check_failed): Declare noreturn.

2010-05-31  Jan Hubicka  <jh@suse.cz>

        * gimple.c (gimple_call_builtin_p): New function.
        * gimple.h (gimple_call_builtin_p): Declare.
        * tree-cfg.c (make_edges): Produce edge from BUILT_IN_RETURN
        to exit.
        (execute_warn_function_return): BUILT_IN_RETURN is return.
        (split_critical_edges): Return edges are not critical.
        (is_ctrl_altering_stmt): Builtin_in_return is altering.
        (gimple_verify_flow_info): Handle built_in_return.
        (execute_warn_function_return): Handle built_in_return.
        * ipa-pure-const.c (check_call): Ignore builtin_return.

2010-05-31  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/44337
        * expr.c (expand_assignment): Don't store anything for out-of-bounds
        array accesses with non-MEM.

        PR tree-optimization/44182
        * tree-inline.c (copy_edges_for_bb): Don't split bb if a stmt that
        newly needs to end a bb is followed by debug stmts, instead return
        true from the function at the end.
        (maybe_move_debug_stmts_to_successors): New function.
        (copy_cfg_body): Call it if copy_edges_for_bb returned true.

2010-05-31  Kai Tietz  <kai.tietz@onevision.com>

        PR target/44161
        * config/i386/cygming.h (SUBTARGET_OVERRIDE_OPTIONS): Handle flag_pic.

2010-05-31  Eric Botcazou  <ebotcazou@adacore.com>

        * cgraphunit.c (cgraph_decide_is_function_needed): Really return false
        for nested functions in non-optimized compilation.

2010-05-31  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (find_func_aliases): Handle BUILT_IN_RETURN.

2010-05-30  Jan Hubicka  <jh@suse.cz>

        * predict.c (maybe_hot_edge_p): Calls to functions called once is cold.

2010-05-30  Richard Guenther  <rguenther@suse.de>

        PR lto/42975
        * tree-eh.c (execute_cleanup_eh_1): Copy from execute_cleanup_eh.
        (execute_cleanup_eh): Clear DECL_FUNCTION_PERSONALITY if it is
        no longer needed.

2010-05-30  Iain Sandoe  <iains@gcc.gnu.org>

        * config/darwin.c (output_objc_section_asm_op): Add comment.
        (name_needs_quotes): Add '_' to list of valid comment chars.
        (machopic_output_function_base_name): Remove unneeded quotes.
        (darwin_encode_section_info): Adjust asm whitespace.
        * config/i386/darwin.h (ASM_OUTPUT_COMMON): Adjust asm tabs.
        (ASM_OUTPUT_LOCAL): Ditto.
        * config/rs6000/darwin.h (ASM_OUTPUT_COMMON): Ditto.
        * config/darwin.h (GLOBAL_ASM_OP): Ditto.
        * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Ditto.

2010-05-30  Eric Botcazou  <ebotcazou@adacore.com>

        * config/rs6000/rs6000.c (rs6000_output_function_entry): Use
        RS6000_OUTPUT_BASENAME unconditionally.
        (rs6000_output_function_epilogue): Likewise.

2010-05-30  Jan Hubicka  <jh@suse.cz>

        * toplev.c (wrapup_global_declaration_2): Avoid creation of new varpool
        nodes.

2010-05-30  Richard Guenther  <rguenther@suse.de>

        * tree-cfg.c (verify_gimple_assign_single): Implement
        verification for COND_EXPR rhs.

2010-05-30  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (cgraph_dump_file): Declare.
        * cgraphunit.c (cgraph_dump_file): Export.
        * ipa.c (dump_cgraph_node_set, dump_varpool_node_set): Be less verbose.

2010-05-30  Jan Hubicka  <jh@suse.cz>

        * dwarf2out.c (reference_to_unused,
        premark_types_used_by_global_vars_helper): Avoid creation of new
        varpool nodes.

2010-05-30  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (cgraph_node_cannot_return,
        cgraph_edge_cannot_lead_to_return): New functions.
        * cgraph.c (cgraph_node_cannot_return,
        cgraph_edge_cannot_lead_to_return): Use them.
        * ipa-pure-const.c (pure_const_names): New static var.
        (check_call): Handle calls not leading to return.
        (pure_const_read_summary): Dump info read.
        (propagate): Dump info about propagation process; ignore side effects
        of functions not leading to exit; fix handling of pure functions.

2010-05-30  Jan Hubicka  <jh@suse.cz>

        * config/i386/i386.c (pro_epilogue_adjust_stack): Use EBP
        for tail call epilogues.

2010-05-30  Jan Hubicka  <jh@suse.cz>

        * passes.c (ipa_write_optimization_summaries_1, ipa_write_summaries_2,
        ipa_read_summaries_1, ipa_read_optimization_summaries_1): Initialize
        dump files.

2010-05-29  Jan Hubicka  <jh@suse.cz>

        * ipa.c (cgraph_remove_unreachable_node): Walk references of correct
        node; remove references in node we no longer keep in cgrpah but need
        body of.

2010-05-29  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_mark_reachable): Relax check for analyzed nodes.

2010-05-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/44165
        * config/pa/pa32-linux.h (CTOR_LIST_BEGIN): Mark __CTOR_LIST__ as used.

2010-05-29  Jan Hubicka  <jh@suse.cz>

        * tree-vrp.c (debug_value_range, debug_all_value_ranges,
        debug_asserts_for, debug_all_asserts): Annotate with DEBUG_FUNCTION.
        * tree-into-ssa.c (debug_decl_set, debug_defs_stack, debug_currdefs,
        debug_tree_ssa, debug_tree_ssa_stats, debug_def_blocks,
        debug_names_replaced_by, debug_update_ssa): Likewise.
        * sbitmap.c (debug_sbitmap): Likewise.
        * genrecog.c (debug_decision, debug_decision_list): Likewise.
        * tree-pretty-print.c (debug_generic_expr, debug_generic_stmt,
        debug_tree_chain): Likewise.
        * tree-loop-distribution.c (debug_rdg_partitions): Likewise.
        * cgraph.c (debug_cgraph_node, debug_cgraph): Likewise.
        * optabs.c (debug_optab_libfuncs): Likewise.
        (verify_loop_closed_ssa): Likewise.
        * value-prof.c (verify_histograms): Likewise.
        * reload.c (debug_reload_to_stream, debug_reload): Likewise.
        * bitmap.c (debug_bitmap_file, debug_bitmap, bitmap_print): Likewise.
        * cfghooks.c (verify_flow_info): Likewise.
        * fold-const.c (debug_fold_checksum): Likewise.
        * omp-low.c (debug_omp_region, debug_all_omp_regions): Likewise.
        * cfg.c (debug_regset, debug_flow_info, debug_bb, debug_bb_n):
        Likewise.
        * omega.c (debug_omega_problem): Likewise.
        * cgraphunit.c (verify_cgraph_node, verify_cgraph): Likewise.
        * tree-ssa-ccp.c (debug_lattice_value): Likewise.
        * dominance.c (verify_dominators, debug_dominance_info,
        debug_dominance_tree): Likewise.
        * df-core.c (df_insn_uid_debug, df_insn_debug, df_insn_debug_regno,
        * df_regno_debug, df_ref_debug,
        debug_df_insn, debug_df_reg, debug_df_regno, debug_df_ref,
        debug_df_defno, debug_df_useno, debug_df_chain): Likewise.
        * tree-ssa-dom.c (debug_dominator_optimization_stats): Likewise.
        * sel-sched.c (debug_state): Likewise.
        * tree-ssa-alias.c (debug_alias_info, debug_points_to_info_for):
        Likewise.
        * cfganal.c (print_edge_list, verify_edge_list): Likewise.
        * dwarf2out.c (debug_dwarf_die, debug_dwarf): Likewise.
        * tree-eh.c (verify_eh_edges, verify_eh_dispatch_edge): Likewise.
        * gimple-pretty-print.c (debug_gimple_stmt, debug_gimple_seq):
        Likewise.
        * c-pretty-print.c (debug_c_tree): Likewise.
        * sel-sched-dump.c (debug_insn_rtx, debug_vinsn, debug_expr, debug_insn
        debug_av_set, debug_lv_set, debug_ilist, debug_blist,
        debug_insn_vector, debug_hard_reg_set, debug_mem_addr_value): Likewise.
        * ebitmap.c (debug_ebitmap): Likewise.
        * function.c (debug_find_var_in_block_tree): Likewise.
        * print-rtl.c (debug_rtx): Likewise.
        (debug_rtx_count): Likewise.
        (debug_rtx_list, debug_rtx_range, debug_rtx_find): Likewise.
        * stor-layout.c (debug_rli): Likewise.
        * ipa.c (debug_cgraph_node_set, debug_varpool_node_set): Likewise.
        * tree-data-ref.c (debug_data_references,
        debug_data_dependence_relations, debug_data_reference,
        debug_data_dependence_relation, debug_rdg_vertex,
        debug_rdg_component, debug_rdg): Likewise.
        * tree-affine.c (debug_aff): Likewise.
        * tree-dfa.c (debug_referenced_vars, debug_variable, debug_dfa_stats):
        Likewise.
        * except.c (debug_eh_tree, verify_eh_tree): Likewise.
        * emit-rtl.c (verify_rtl_sharing): Likewise.
        * tree-ssa-pre.c (debug_pre_expr, debug_bitmap_set,
        debug_value_expressions): Likewise.
        * tree-ssa-live.c (debug_scope_block, debug_scope_blocks): Likewise.
        * sese.c (debug_rename_map, debug_ivtype_map): Likewise.
        * print-tree.c (debug_tree, debug_vec_tree): Likewise.
        * cfglayout.c (verify_insn_chain): Likewise.
        * graphite-clast-to-gimple.c (debug_clast_name_indexes,
        debug_clast_stmt, debug_generated_program): Likewise.
        * ggc-page.c (debug_print_page_list): Likewise.
        * tree-ssa-ter.c (debug_ter): Likewise.
        * graphite-dependences.c (debug_pddr): Likewise.
        * sched-deps.c (debug_ds): Likewise.
        * tree-ssa.c (verify_ssa): Likewise.
        * graphite-poly.c (debug_scattering_function, debug_iteration_domain,
        debug_scattering_functions, debug_iteration_domains, debug_pdr,
        debug_pdrs, debug_pbb_domain, debug_pbb, debug_scop_context,
        debug_scop, debug_cloog, debug_scop_params, debug_lst): Likewise.
        * tree-inline.c (debug_find_tree): Likewise.
        * graphite-ppl.c (debug_ppl_linear_expr, debug_ppl_polyhedron_matrix,
        debug_ppl_powerset_matrix): Likewise.
        * var-tracking.c (debug_dv): Likewise.
        * system.h (DEBUG_FUNCTION, DEBUG_VARIABLE): Define.
        * cfgloop.c (verify_loop_structure): Likewise.
        * plugin.c (dump_active_plugins, debug_active_plugins): Likewise.
        * c-common.c (verify_sequence_points): Likewise.
        * sched-rgn.c (debug_regions, debug_region, debug_candidate,
        debug_candidates, debug_rgn_dependencies): Likewise.
        * tree-ssa-structalias.c (debug_constraint, debug_constraints,
        * debug_constraint_graph, debug_solution_for_var,
        debug_sa_points_to_info): Likewise.
        * sched-vis.c (debug_insn_slim, debug_bb_slim, debug_bb_n_slim):
        Likewie.
        * tree-cfg.c (debug_cfg_stats, verify_stmts, debug_function,
        debug_loops, debug_loop, debug_loop_num): Likewise.
        * passes.c (debug_pass): Likewise.
        (dump_properties): Likewise; add cfglayout property.
        (debug_properties): Likewise.
        * tree-ssa-reassoc.c (debug_ops_vector): Likewise.
        * varpool.c (debug_varpool): Likewise.
        * regcprop.c (debug_value_data): Likewise.
        * tree-ssa-operands.c (verify_imm_links, debug_immediate_uses,
        debug_immediate_uses_for): Likewise.

2010-05-29  H.J. Lu  <hongjiu.lu@intel.com>

        PR bootstrap/44315
        * Makefile.in (build/gencondmd.o): Remove TM_H := $(GTM_H).
        Filter out insn-flags.h.

2010-05-29  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (struct varpool_node_set_def,
        struct cgraph_node_set_def): Remove unused AUX pointer.
        (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p): Use
        VEC_empty macro.

2010-05-29  Jan Hubicka  <jh@suse.cz>

        PR middle-end/44324
        * ipa-cp.c (ipcp_insert_stage): Replace "clone" by "constprop".

2010-05-29  Richard Guenther  <rguenther@suse.de>

        * lto-streamer.c (cached_bp): New global variable.
        (bitpack_create): Return the cached bitpack, if available.
        (bitpack_delete): Clear and cache the bitpack, if appropriate.
        (bp_pack_value): Remove redundant asserts.

2010-05-29  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/44306
        * tree-if-conv.c (is_true_predicate): New.
        (is_predicated): Use is_true_predicate.
        (add_to_predicate_list): Same.  Do not use unshare_expr.
        (add_to_dst_predicate_list): Same.

2010-05-29  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c (add_to_dst_predicate_list): Do not use the ->aux
        field on edges.
        (predicate_bbs): Same.
        (clean_predicate_lists): Same.
        (find_phi_replacement_condition): Do not AND the predicate from
        edge->aux.

2010-05-29  H.J. Lu  <hongjiu.lu@intel.com>

        PR bootstrap/44315
        * Makefile.in (build/gencondmd.o): Add a missing `\'.

2010-05-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/44261
        config/pa/pa.md (negdf2_slow, negsf2_slow): New patterns.
        (negdf2): Adjust expander pattern and use negdf2_slow.
        (negsf2): Likewise.

2010-05-29  Nathan Froyd  <froydnj@codesourcery.com>

        * basic-block.h (struct control_flow_graph): Move last_label_uid field
        up.
        * df.h (struct df_base_ref): Move regno field up.
        * dwarf2out.c (struct dw_fde_struct): Move funcdef_number field down.
        * expr.h (struct separate_ops): Move location field up.
        * optabs.h (struct optab_d): Move libcall_basename field down.
        * config/i386/i386.c (struct ix86_frame): Move red_zone_size up.
        * config/i386/i386.h (struct machine_function): Convert call_abi field
        into a bitfield.  Move cfa field to the end of the structure.

2010-05-29  Jan Hubicka  <jh@suse.cz>

        * varpool.c (varpool_get_node): Fix lookup.

2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>

        * config/spu/spu-protos.h: Do not include rtl.h.  Protect
        RTL specific prototypes with #ifdef RTX_CODE.
        * config/spu/spu-c.c: Include c-common.h instead of c-tree.h.
        * config/spu/t-spu-elf: Fix dependencies.

        * config/t-darwin (darwin-c.o): Remove C_TREE_H dependency.

2010-05-29  Mike Stump  <mikestump@comcast.net>

        PR bootstrap/44315
        * Makefile.in (build/gencondmd.o): Be sure to use GTM_H instead of
        TM_H when building to avoid dependency loops.

2010-05-29  Jan Hubicka  <jh@suse.cz>

        * cgraphunit.c (cgraph_materialize_clone): Only remove calles,
        refs and body; not the whole node for masters of materialized clones.

2010-05-29  Mike Stump  <mikestump@comcast.net>

        * config/rs6000/rs6000-c.c: Remove c-tree.h include.

2010-05-29  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (clone_function_name): Take SUFFIX argument; export.
        (cgraph_create_virtual_clone): Take SUFFIX argument; udpate
        use of clone_function_name.
        * cgraph.h (cgraph_create_virtual_clone,
        cgraph_function_versioning): update prototypes.
        (clone_function_name): Declare.
        * ipa-cp.c (ipcp_insert_stage): Update call of
        cgraph_create_virtual_clone.
        * omp-low.c (create_omp_child_function_name): Use
        cgraph_create_virtual_clone.
        * cgraphunit.c (cgraph_copy_node_for_versioning): Fix edges updating.
        (cgraph_function_versioning): Take SUFFIX argument; produce new name
        and make decl local.

2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>

        * vec.h: Include statistics.h
        * Makefile.in: Introduce VEC_H.  Replace all vec.h dependencies
        with VEC_H.

2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>

        * c-lex.c: Do not include c-tree.h.
        * c-pretty-print.c: Likewise.
        * c-opts.c: Likewise.
        * c-gimplify.c: Likewise.
        * c-common.c: Likewise.
        * c-dump.c: Likewise.  Include c-common.h.

2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>

        * c-common.h (GCC_DIAG_STYLE): Define earlier in the file,
        before including diagnostic-core.h.
        (c_cpp_error): New prototype moved from c-tree.h.
        Use ATTRIBUTE_GCC_DIAG instead of ATTRIBUTE_GCC_CDIAG.
        * c-tree.h (ATTRIBUTE_GCC_CDIAG): Remove define.
        (pedwarn_c90, perwarn_c99): Use ATTRIBUTE_GCC_DIAG instead.
        (c_cpp_error): Prototype moved to c-common.h.
        * Makefile.in: Update dependency for C_COMMON_H.

2010-05-29  Steven Bosscher  <steven@gcc.gnu.org>

        * c-common.h: Add FIXME for awkward split of c_register_addr_space.
        * c-common.c (c_register_addr_space): Remove here.
        * c-decl.c (c_register_addr_space): Re-add here.

2010-05-28  Mike Stump  <mikestump@comcast.net>

        * config/darwin-c.c: Remove c-tree.h include.

2010-05-28  Joseph Myers  <joseph@codesourcery.com>

        * gcc.c: Include diagnostic.h.
        (error_count): Remove.  All users changed to use errorcount.
        (programname): Remove.  All users changed to use progname.
        (fancy_abort, internal_error, fatal_error, error, warning, inform,
        fnotice): Remove.
        (execute): Don't include "Internal error" and bug reporting
        information in argument of internal_error call.
        (process_command): Don't increment error_count after calling
        perror_with_name.
        (input_filename): Rename to gcc_input_filename.  All users
        changed.
        (main): Call diagnostic_initialize.  Register delete_temp_files
        with atexit.  Use seen_error to test for errors.
        * gcc.h: Include diagnostic-core.h.
        (fatal_error, error, warning): Remove.
        * Makefile.in (GCC_H): Add $(DIAGNOSTIC_CORE_H).
        (GCC_OBJS): Add diagnostic.o, pretty-print.o and input.o.
        (gcc.o): Update dependencies.

2010-05-28  Jeff Law  <law@redhat.com>

        * ira.c (ira_bad_reload_regno, ira_build_reload_regno_1): New
        functions.
        * ira.h (ira_bad_reload_regno): Declare
        * reload1.c (allocate_reload_reg): Use ira_bad_reload_regno.

        * ira-color.c (update_curr_costs): Free updated hard reg costs.
        (ira_reassign_conflict_allocnos): Remove bogus asserts.
        (allocno_reload_assign): Likewise.

2010-05-28  Nathan Froyd  <froydnj@codesourcery.com>

        * tree-vect-stmts.c (vectorizable_assignment): Call build1 instead of
        build1_stat.

2010-05-28  Richard Guenther  <rguenther@suse.de>

        PR lto/44312
        * lto-streamer-in.c (unpack_ts_fixed_cst_value_fields):
        Stream fixed-point constants mode.
        (unpack_ts_type_value_fields): Fix width of TYPE_MODE
        and TYPE_PRECISION.
        * lto-streamer-out.c (pack_ts_fixed_cst_value_fields):
        Stream fixed-point constants mode.
        (pack_ts_function_decl_value_fields): Fix width of TYPE_MODE
        and TYPE_PRECISION.

2010-05-28  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-scalar-evolution.c (set_nb_iterations_in_loop): Inlined in the
        only place it was called from.
        (number_of_latch_executions): Do not return chrec_dont_know when the
        may_be_zero is a runtime condition: instead, return a COND_EXPR
        including the may_be_zero condition.
        * cfgloop.h (struct loop): Add a note on COND_EXPRs to the comment
        of nb_iterations.
        * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Handle
        COND_EXPRs.

2010-05-28  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c (replace_phi_with_cond_gimple_assign_stmt): Don't
        generate COND_EXPRs for degenerate_phi_result.

2010-05-28  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/44293
        * tree-if-conv.c (if_convertible_loop_p): Check the
        if-convertibility of phi nodes in non predicated BBs.

2010-05-28  Joseph Myers  <joseph@codesourcery.com>

        * gcc.c (error, warning, inform): Remove duplicate ": " in output.

2010-05-28  Joseph Myers  <joseph@codesourcery.com>

        PR driver/15303
        * gcc.c (inform, warning, inform): New functions.
        (fatal_ice): Rename to internal_error; change cmsgid parameter to
        gmsgid.  All callers changed.
        (notice): Rename to fnotice; add parameter fp.  All callers changed.
        (fatal_error): Rename to fatal_signal.  All users changed.
        (fatal): Rename to fatal_error; change cmsgid parameter to
        gmsgid.  All callers changed.
        (process_command): Use warning instead of error for warnings.
        (end_going_arg): Don't use _() around argument of error.
        (do_spec_1): Use inform for message from %n specs.  Use warning
        instead of error for warnings.
        (main): Use inform for comparison messages.  Use warning for
        message about unused linker input.
        (error): Increment error_count.  Print "error: ".
        * gcc.h (fatal): Change to fatal_error.
        (warning): Declare.
        * config/darwin-driver.c (darwin_default_min_version): Use warning
        instead of fprintf for warnings.
        * cppspec.c (lang_specific_driver): Use fatal_error instead of fatal.

2010-05-28  Julian Brown  <julian@codesourcery.com>

        * config/arm/thumb2.md (*thumb2_addsi3_compare0): New.
        (*thumb2_addsi3_compare0_scratch): New.
        * config/arm/constraints.md (Pv): New.
        * config/arm/arm.md (*addsi3_compare0): Remove FIXME comment. Use
        for ARM mode only.
        (*addsi3_compare0_scratch): Likewise.

2010-05-28  Jan Hubicka  <jh@suse.cz>

        * ipa-reference.c (add_static_var): Remove redundant all_module_statics
        check.
        (ipa_reference_write_optimization_summary): Call is_proper_for_analysis
        only on local statics.

2010-05-28  Iain Sandoe  <iains@gcc.gnu.org>

        * config.gcc (*-*-darwin*): Adjust t-make fragments for Darwin.

2010-05-28  Maxim Kuvyrkov  <maxim@codesourcery.com>

        PR bootstrap/44314
        * config/alpha/linux.h, config/rs6000/linux.h, config/rs6000/linux64.h
        (OPTION_GLIBC): Define.

2010-05-28  Jakub Jelinek  <jakub@redhat.com>

        PR debug/41048
        * dwarf2out.c (double_int_type_size_in_bits): New function.
        (round_up_to_align): Change first argument and return value to
        double_int.
        (field_byte_offset): Work internally on double_ints.

        PR target/43636
        * builtins.c (expand_movstr): Use a temporary pseudo instead
        of target even when target is not NULL and not const0_rtx, but
        fails movstr predicate.
        * config/m32c/blkmov.md (movstr): Add predicate to first operand.

2010-05-28  Joseph Myers  <joseph@codesourcery.com>

        * final.c (rest_of_clean_state): Use %m in errors instead of
        strerror (errno).
        * gengtype.c (read_input_list, close_output_files): Use xstrerror
        instead of strerror.
        * toplev.c (process_options): Use %m in errors instead of strerror
        (errno).
        * tree-dump.c (dump_begin): Use %m in errors instead of strerror
        (errno).

2010-05-28  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_fn_abi_va_list): Make static.
        (ix86_canonical_va_list_type): Make static.  Add declaration.
        (ix86_enum_va_list): Make static.  Reindent.
        * config/i386/i386-protos.h (ix86_fn_abi_va_list): Remove declaration.
        (ix86_canonical_va_list_type): Ditto.
        (ix86_enum_va_list): Ditto.

2010-05-28  Richard Guenther  <rguenther@suse.de>

        * lto-wrapper.c (run_gcc): With -save-temps generate a
        user-visible ltrans filename.  Fixup ltrans unit numbering.

2010-05-28  Kai Tietz  <kai.tietz@onevision.com>

        * c-common.c (c_common_nodes_and_builtins): Replace use
        of TARGET_ENUM_VA_LIST by target hook enum_va_list.
        * config/i386/i386.c (TARGET_ENUM_VA_LIST_P): Hook
        to ix86_enum_va_list.
        * config/i386/i386.h (TARGET_ENUM_VA_LIST): Removed.
        * doc/tm.texi (TARGET_ENUM_VA_LIST): Removed.
        (TARGET_ENUM_VA_LIST_P): Add hook description.
        * target-def.h (TARGET_ENUM_VA_LIST_P): Added.
        * target.h (gcc_target): Add enum_va_list hook.

        PR bootstrap/44299
        * config/i386/t-cygming: Adjust header dependencies for winnt-cxx.c.
        * config/i386/winnt-cxx.c (IN_GCC_FRONTEND): Remove undefine.
        * config/i386/winnt.c (IN_GCC_FRONTEND): Likewise.

2010-05-28  Alan Modra  <amodra@gmail.com>

        PR target/44266
        * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Use
        emit_library_call machinery to set up __tls_get_addr calls.

2010-05-28  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.md (movqi): Fix typo ('*' -> '#').

2010-05-28  Dodji Seketeli  <dodji@redhat.com>

        Revert fix for PR c++/44188
        * c-common.c (is_typedef_decl): Revert the moving of  this
        definition ...
        * tree.c (is_typedef_decl): ... here.
        (typdef_variant_p): Revert the moving of this  definition
        here from cp/tree.c.
        * c-common.h (is_typedef_decl): Revert the moving of this
        declaration ...
        * tree.h (is_typedef_decl): ... here.
        (typedef_variant_p): Revert the moving of this  declaration here
        from cp/cp-tree.h
        * dwarf2out.c (is_naming_typedef_decl): Revert this new function.
        (gen_tagged_type_die): Revert the splitting out of ...
        (gen_type_die_with_usage): ... this function. Revert the anonymous
        tagged type handling.
        (gen_typedef_die): Revert emitting DW_TAG_typedef  for
        typedefs naming anonymous tagged types.

2010-05-28  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000-modes.def (PSImode): Delete.

2010-05-28  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/constraints.md ("z" constraint): Change to CA_REGS.
        * config/rs6000/predicates.md: Change XER_REGNO_P to CA_REGNO_P
        throughout.
        * config/rs6000/rs6000.c (rs6000_reg_names, alt_reg_names): Change
        "xer" to "ca".
        Change XER_REGNO_P to CA_REGNO_P, XER_REGNO to CA_REGNO, and
        XER_REGS to CA_REGS throughout.
        * config/rs6000/rs6000.h: Same.
        (ADDITIONAL_REGISTER_NAMES): Add "xer".
        * config/rs6000/rs6000.md: Change XER_REGNO to CA_REGNO.  Document
        that mode_iterator "P" is the size for arithmetic carries as well.
        * doc/md.texi (rs6000 section, "z" constraint): Fix documentation.

2010-05-28  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/44255
        * combine.c (struct rtx_subst_pair): Define unconditionally.
        (propagate_for_debug_subst): Likewise.  If not AUTO_INC_DEC,
        copy_rtx pair->to instead of cleanup_auto_inc_dec it.
        Call make_compound_operation on pair->to.
        (propagate_for_debug): Don't call make_compound_operation here.
        Always use simplify_replace_fn_rtx.

2010-05-27  Sterling Augustine  <sterling@tensilica.com>

        * doc/invoke.texi (xtensa options): Add -mforce-no-pic.
        * config/xtensa/xtensa.c (override_options): Check
          TARGET_FORCE_NO_PIC and set flag_pic.
        * config/xtensa/xtensa.opt: Document -mforce-no-pic

2010-05-27  Kai Tietz  <kai.tietz@onevision.com>

        PR bootstrap/44299
        * config/i386/winnt.c (IN_GCC_FRONTEND): Undefine.
        * config/i386/winnt-cxx.c (IN_GCC_FRONTEND): Likewise.

2010-05-27  Joseph Myers  <joseph@codesourcery.com>

        * diagnostic-core.h: New.  Contents moved from diagnostic.h and
        toplev.h.
        * diagnostic.c: Don't include toplev.h.
        (progname): Define.  Moved from toplev.c.
        (seen_error): New function.
        * diagnostic.h: Include diagnostic-core.h.
        (diagnostic_t, emit_diagnostic): Don't declare here.
        * toplev.c (progname): Move to toplev.c.
        (emit_debug_global_declarations, compile_file, finalize,
        do_compile, toplev_main): Use seen_error.
        * toplev.h: Include diagnostic-core.h.
        (trim_filename, GCC_DIAG_STYLE, ATTRIBUTE_GCC_DIAG,
        internal_error, warning, warning_at, error, error_n, error_at,
        fatal_error, pedwarn, permerror, sorry, inform, inform_n,
        verbatim, fnotice, progname): Move to diagnostic-core.h.
        * builtins.c: Include diagnostic-core.h instead of diagnostic.h.
        (expand_builtin_expect): Use seen_error.
        * c-decl.c: Include diagnostic-core.h instead of diagnostic.h.
        (c_make_fname_decl, c_write_global_declarations): Use seen_error.
        * c-format.c: Include diagnostic-core.h instead of diagnostic.h.
        * c-gimplify.c: Include diagnostic-core.h instead of diagnostic.h.
        * c-lang.c: Include diagnostic-core.h instead of diagnostic.h.
        * c-lex.c (c_lex_with_flags, interpret_float): Don't increment
        errorcount for errors.
        * c-opts.c (c_common_finish): Use seen_error.
        * cgraph.c: Include diagnostic-core.h instead of diagnostic.h.
        * cgraphunit.c (verify_cgraph_node, verify_cgraph,
        cgraph_output_pending_asms, cgraph_optimize): Use seen_error.
        * coverage.c: Include diagnostic-core.h instead of diagnostic.h.
        (get_coverage_counts): Use seen_error.
        * dwarf2out.c (dwarf2out_finish): Use seen_error.
        * gimplify.c (gimplify_var_or_parm_decl, gimple_push_cleanup,
        gimplify_body): Use seen_error.
        * ipa-inline.c (cgraph_early_inlining): Use seen_error.
        * ipa-pure-const.c (gate_pure_const): Use seen_error.
        * ipa-reference.c (gate_reference): Use seen_error.
        * jump.c: Include diagnostic-core.h instead of diagnostic.h.
        * lambda-code.c: Include diagnostic-core.h instead of
        diagnostic.h.
        * lto-cgraph.c: Include diagnostic-core.h instead of diagnostic.h.
        * lto-compress.c: Include diagnostic-core.h instead of
        diagnostic.h.
        * lto-section-in.c: Include diagnostic-core.h instead of
        diagnostic.h.
        * lto-streamer-out.c: Include diagnostic-core.h instead of
        diagnostic.h.
        * lto-streamer.c: Include diagnostic-core.h instead of
        diagnostic.h.
        (gate_lto_out): Use seen_error.
        * matrix-reorg.c: Include diagnostic-core.h instead of
        diagnostic.h.
        * omega.c: Include diagnostic-core.h instead of diagnostic.h.
        * omp-low.c: Include diagnostic-core.h instead of diagnostic.h.
        (gate_expand_omp, lower_omp_1): Use seen_error.
        * passes.c: Include diagnostic-core.h instead of diagnostic.h.
        (rest_of_decl_compilation, rest_of_type_compilation,
        gate_rest_of_compilation, ipa_write_summaries): Use seen_error.
        * tree-cfg.c (label_to_block_fn): Use seen_error.
        * tree-inline.c (optimize_inline_calls): Use seen_error.
        * tree-mudflap.c (mudflap_finish_file): Use
        seen_error.
        * tree-optimize.c (gate_all_optimizations,
        gate_all_early_local_passes, gate_all_early_optimizations): Use
        seen_error.
        * tree-ssa-structalias.c (gate_ipa_pta): Use seen_error.
        * varpool.c: Include diagnostic-core.h instead of diagnostic.h.
        (varpool_remove_unreferenced_decls,
        varpool_assemble_pending_decls): Use seen_error.
        * Makefile.in (DIAGNOSTIC_CORE_H): Define.
        (TOPLEV_H, DIAGNOSTIC_H): Update.
        (c-decl.o, c-lang.o, c-format.o, lto-compress.o, lto-cgraph.o,
        lto-streamer-out.o, lto-section-in.o, lto-streamer.o,
        c-gimplify.o, omp-low.o, omega.o, diagnostic.o, passes.o,
        builtins.o, jump.o, cgraph.o, varpool.o, matrix-reorg.o,
        coverage.o, lambda-code.o): Update dependencies.

2010-05-25  Dodji Seketeli  <dodji@redhat.com>

        PR c++/44188
        * c-common.c (is_typedef_decl): Move this definition ...
        * tree.c (is_typedef_decl): ... here.
        (typdef_variant_p): Move definition here from cp/tree.c.
        * c-common.h (is_typedef_decl): Move this declaration ...
        * tree.h (is_typedef_decl): ... here.
        (typedef_variant_p): Move declaration here from cp/cp-tree.h
        * dwarf2out.c (is_naming_typedef_decl): New function.
        (gen_tagged_type_die): Split out of ...
        (gen_type_die_with_usage): ... this function. When an anonymous
        tagged type is named by a typedef, make sure a DW_TAG_typedef DIE
        is emitted for the typedef.
        (gen_typedef_die): Emit DW_TAG_typedef also for typedefs naming
        anonymous tagged types.

2010-05-27  Jason Merrill  <jason@redhat.com>

        * print-tree.c (debug_vec_tree): New fn.
        (print_vec_tree): New fn.
        * tree.h: Declare them.
        * gdbinit.in (pvt): New command.

        * print-tree.c (print_node) [TREE_VEC]: Print elements normally.

        * gdbinit.in (pdd): New command.

2010-05-27  Jan Hubicka  <jh@suse.cz>

        * ipa-inline.c (cgraph_estimate_size_after_inlining): Make inline.
        (update_caller_keys): Return early if there are no callers;
        only update fibheap when decresing the key.
        (update_callee_keys): Avoid recursion.
        (decide_inlining_of_small_functions): When badness does not match;
        re-insert into fibheap.

2010-05-27  Steven Bosscher  <steven@gcc.gnu.org>

        * Makefile.in (ALL_CFLAGS): Add file-specific CFLAGS.
        (ALL_HOST_FRONTEND_OBJS): New, for all front-end specific objects.
        (ALL_HOST_BACKEND_OBJS): New, for all backend and target objects.
        (ALL_HOST_OBJS): Now a union of the above two.
        <section "Language makefile fragments">: Add -DIN_GCC_FRONTEND for
        all files in ALL_HOST_FRONTEND_OBJS.
        * system.h: Poison GCC_RTL_H if IN_GCC_FRONTEND is defined.

        * c-common.c: Pretend to be a backend file by undefining
        IN_GCC_FRONTEND (still need rtl.h here).

2010-05-27  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (struct cgraph_node): Mark former_clone_of by GTY ((skip)).
        * cgraphunit.c (clone_of_p): Compile only when checking is enabled.

2010-05-27  Jan Hubicka  <jh@suse.cz>

        * sched-ebb.c: Rename struct deps to struct deps_desc.
        * ddg.c: Likewise.
        * sel-sched-ir.c: Likewise.
        * sched-deps.c: Likewise.
        * sched-int.h: Likewise.
        * sched-rgn.c: Likewise.

2010-05-27  Jon Beniston  <jon@beniston.com>

        PR 43726
        * config/lm32/lm32.h: Remove definition of
        GO_IF_MODE_DEPENDENT_ADDRESS. Update copyright year.

2010-05-27  Eric Botcazou  <ebotcazou@adacore.com>

        PR lto/44230
        * dwarf2out.c (dwarf2out_begin_prologue): Fix nits in sorry message.

2010-05-27  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44284
        * tree-vect-stmts.c (vectorizable_assignment): Handle
        sign-changing conversions as simple copy.

2010-05-27  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * gthr-posix.h (pthread_cancel): Don't declare if compiling against
        Bionic C library.
        (__gthread_active_p): Check for pthread_create if compiling against
        Bionic C library.

2010-05-27  Maxim Kuvyrkov  <maxim@codesourcery.com>

        Support compilation for Android platform.  Reimplement -mandroid.

        * config.gcc (*linux*): Include linux-android.h and linux-android.opt.
        (*android*): Set ANDROID_DEFAULT.
        (arm*-*-linux*): Include linux-android.h.
        (arm*-*-eabi*): Don't include previous -mandroid implementation.
        * config/arm/eabi.h: Remove, move Android-specific parts ...
        * config/linux-android.h: ... here.  New file.
        * config/arm/eabi.opt: Rename to ...
        * config/linux-android.opt: ... this.
        (mandroid): Allow -mno-android option.  Initialize based on
        ANDROID_DEFAULT.
        * config/linux.h (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC, LIB_SPEC):
        Move logic to corresponding LINUX_TARGET_* macros.
        (TARGET_OS_CPP_BUILTINS): Define __ANDROID__, when appropriate.
        * config/linux-eabi.h (LINK_SPEC, CC1_SPEC, CC1PLUS_SPEC, LIB_SPEC,)
        (STARTFILE_SPEC, ENDFILE_SPEC): Define to choose between Linux and
        Android definitions.
        (LINUX_TARGET_OS_CPP_BUILTINS): Define __ANDROID__ if TARGET_ANDROID.
        * doc/invoke.texi (-mandroid, -tno-android-cc, -tno-android-ld):
        Document.

2010-05-27  Maxim Kuvyrkov  <maxim@codesourcery.com>

        Add support for Bionic C library

        * config.gcc (LIBC_GLIBC, LIBC_BIONIC, LIBC_UCLIBC): New tm_define
        macro.
        (DEFAULT_LIBC): New tm_define macro set to one of LIBC_*.
        (bfin*-uclinux, moxie-*-uclinux*, m68k-*-uclinux*): Update.

        * config/linux.h (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC): Define.
        (LINUX_TARGET_OS_CPP_BUILTINS): Define __gnu_linux__ only for GLIBC.
        (CHOOSE_DYNAMIC_LINKER1, CHOOSE_DYNAMIC_LINKER): Make it easier
        to support multiple C libraries.  Handle Bionic.
        (BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,)
        (BIONIC_DYNAMIC_LINKER64): Define.
        (LINUX_DYNAMIC_LINKER, LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64):
        Update.
        (TARGET_HAS_SINCOS): Enable for Bionic.

        * config/linux.opt: Rewrite to handle more than 2 C libraries.  Make
        the last option specified on command line take effect.
        (linux_uclibc): Rename to linux_libc, initialize using DEFAULT_LIBC.
        (mbionic): New.
        (mglibc, muclibc): Update.

        * config/alpha/linux-elf.h, config/rs6000/linux64.h,
        * config/rs6000/sysv4.h (CHOOSE_DYNAMIC_LINKER): Update to use
        DEFAULT_LIBC.

        * doc/invoke.texi (-mglibc, -muclibc): Update.
        (-mbionic): Document.

2010-05-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * c-common.h (c_register_addr_space): Add prototype.
        (ADDR_SPACE_KEYWORD): Remove.
        * c-common.c (c_register_addr_space): New function.
        (c_addr_space_name): Reimplement.
        (c_common_reswords): Do not include TARGET_ADDR_SPACE_KEYWORDS.

        * config/spu/spu.h (TARGET_ADDR_SPACE_KEYWORDS): Remove.
        (REGISTER_TARGET_PRAGMAS): Call c_register_addr_space.

        * doc/tm.texi (Named Address Spaces): Mention c_register_addr_space.
        Remove TARGET_ADDR_SPACE_KEYWORDS.

2010-05-27  Joseph Myers  <joseph@codesourcery.com>

        * input.c: New file.
        * input.h (main_input_filename): Move declaration to toplev.h.
        * toplev.c (input_location, line_table): Move to input.c
        * toplev.h (main_input_filename): Move declaration from input.h.
        * tree.c (expand_location): Move to input.c.
        * Makefile.in (OBJS-common): Add input.o.
        (input.o): Add dependencies.

2010-05-27  Richard Guenther  <rguenther@suse.de>

        * lto-wrapper.c (maybe_unlink_file): Ignore unlink failure
        for non-existant files.
        (fork_execute): Mark args_name file as deleted.

2010-05-27  Kai Tietz  <kai.tietz@onevision.com>

        PR bootstrp/44287
        * c-lex.c (narrowest_unsigned_type): Check for NULL_TREE.
        (narrow_signed_type): Likewise.

2010-05-26  Jan Hubicka  <jh@suse.cz>

        * cgraphunit.c (verify_cgraph_node): Do checking that DECL match
        edge only when checking is enabled; check using former_clone_of;
        check inline clones too.
        (cgraph_materialize_clone): Record former_clone_of pointer.
        (cgraph_redirect_edge_call_stmt_to_callee): Assert that we are not
        combining redirections; dump args_to_skip bitmap
        (cgraph_materialize_all_clones): Do no redirection here.
        * ipa-inline.c (inline_transform): Do redirection here.
        * cgraph.h (struct cgraph_node): Add former_clone_of filed (enabled
        cheking only).

2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>

        * config/avr/avr-c.c: Do not include regs.h.
        Include cpplib.h for cpp_define and tree.h for c-common.h.
        * config/avr/avr-devices.c (avr_mcu_types): Fix initializer.
        * config/avr/t-avr: Fix dependencies for avr-c.o.

2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>

        * explow.c (set_stack_check_libfunc): Adjust to accept name as a
        string instead of SYMBOL_REF rtx.
        * rtl.h (set_stack_check_libfunc): Move prototype from here...
        * libfuncs.h: ...to here.  Adjust for explow.c change.

2010-05-26  Joseph Myers  <joseph@codesourcery.com>

        * pretty-print.c: Don't include ggc.h.
        (identifier_to_locale_alloc, identifier_to_locale_free): Define.
        (identifier_to_locale): Use them for allocation.
        * pretty-print.h (identifier_to_locale_alloc,
        identifier_to_locale_free): Declare.
        * toplev.c (alloc_for_identifier_to_locale): New.
        (general_init): Set identifier_to_locale_alloc and
        identifier_to_locale_free.
        * Makefile.in (pretty-print.o): Update dependencies.

2010-05-26  Eric Botcazou  <ebotcazou@adacore.com>

        * gimple.c (gimple_types_compatible_p): Return 0 for aggregate and
        pointer types if they have different alignment or mode.

2010-05-26  Anatoly Sokolov  <aesok@post.ru>

        * config/sparc/sparc.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
        LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
        * config/sparc/sparc-protos.h (function_value): Remove declaration.
        * config/sparc/sparc.c (sparc_function_value, sparc_libcall_value,
        sparc_function_value_regno_p): New functions.
        (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
        TARGET_FUNCTION_VALUE_REGNO_P): Define.
        (function_value): Rename to...
        (sparc_function_value_1): ... this. Make static. Change 'incoming_p'
        argument to 'outgoing'.
        (function_arg_record_value, function_arg_union_value,
        function_arg_vector_value): Update comment.

2010-05-26  Eric Botcazou  <ebotcazou@adacore.com>

        * dwarf2out.c (struct dw_fde_struct): Reorder flags.
        (fde_needed_for_eh_p): New predicate.
        (output_call_frame_info): Use it throughout to decide whether FDEs
        are needed for EH purpose.
        (dwarf2out_begin_prologue): Reorder assignments.

2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c (if_convertible_gimple_assign_stmt_p): Do not
        special case loop->header.
        (is_predicated): New.
        (if_convertible_loop_p): Call it.

2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c (add_to_dst_predicate_list): Do not pass a statemet
        iterator in parameter.  Do not generate code during the analysis.
        (tree_if_convert_cond_stmt): Removed.
        (tree_if_convert_stmt): Removed.
        (predicate_bbs): New.
        (if_convertible_loop_p): Call predicate_bbs.
        (tree_if_conversion): Simplify the top-level logic as predicate_bbs
        now contains all the analysis part.

2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c (tree_if_convert_cond_stmt): Do not remove
        statements in the analysis part.
        (tree_if_convert_stmt): Update comment.
        (remove_conditions_and_labels): New.
        (combine_blocks): Call remove_conditions_and_labels.
        (tree_if_conversion): Update comment.

2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c (if_convertible_bb_p): Don't handle BBs with more
        than 2 predecessors or more than 2 successors.

2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c (if_convertible_loop_p): Avoid if-conversion
        of loops in which the data dependence analysis fails.

2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c (if_convertible_loop_p): Do not compute/free
        CDI_POST_DOMINATORS.
        (tree_if_conversion): Same.

2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c (tree_if_conversion): Do not return a bool.

2010-05-26  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c: Update copyright years.  Fix comments.
        Fix indentation.

2010-05-26  Kai Tietz  <kai.tietz@onevision.com>

        * builtin-types.def (BT_INT128): New primitive type.
        (BT_UINT128): Likewise.
        * c-common.c (c_common_r): Add __int128 keyword.
        (c_common_type_for_size): Handle __int128.
        (c_common_type_for_mode): Likewise.
        (c_common_signed_or_unsigned_type): Likewise.
        (c_common_nodes_and_builtins): Add builtin type
        if target supports 128-bit integer scalar.
        * c-common.h (enum rid): Add RID_INT128.
        * c-cppbuiltin.c (c_cpp_builtins): Define __SIZEOF_INT128__
        if target supports 128-bit integer scalar.
        * c-decl.c (declspecs_add_type): Handle new keyword __int128.
        (finish_declspecs): Likewise.
        * c-parser.c (c_token_starts_typename): Handle RID_INT128.
        (c_token_starts_declspecs): Likewise.
        (c_parser_declspecs): Likewise.
        (c_parser_attributes): Likewise.
        (c_parser_objc_selector): Likewise.
        * c-pretty-print.c (pp_c_integer_constant): Handle __int128.
        * c-tree.h (enum c_typespec_keyword): Add cts_int128.
        * gimple.c (gimple_signed_or_unsigned_type): Handle int128 types.
        * tree.c (make_or_reuse_type): Likewise.
        (make_unsigned_type): Likewise.
        (build_common_tree_nodes_2): Likewise.
        * tree.h (enum integer_type_kind): Add itk_int128 and
        itk_unsigned_int128.
        (int128_integer_type_node): New define.
        (int128_unsigned_type_node): New define.
        * doc/extend.texi: Add documentation about __int128 type.

2010-05-26  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.c (copy_nary): Adjust.
        (copy_phis): Rename to ...
        (copy_phi): ... this.  Adjust.
        (copy_references): Rename to ...
        (copy_reference): ... this.  Adjust.
        (process_scc): Use HTAB_FOR_EACH_ELEMENT to insert the
        result into the valid table.

2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>

        * config/spu/spu-c.c: Do not include function.h, rtl.h, expr.h,
        insn-config.h, insn-codes.h, recog.h, and optabs.h.

2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

        * ggc.h (ggc_min_expand_heuristic, ggc_min_heapsize_heuristic): Remove.

2010-05-26  Richard Guenther  <rguenther@suse.de>

        * opts.c (common_handle_option): Handle OPT_Ofast.

2010-05-26  Joseph Myers  <joseph@codesourcery.com>

        * diagnostic.c: Don't include opts.h.
        (permissive_error_option): Define.
        (diagnostic_initialize): Take n_opts parameter.  Allocate memory
        for classify_diagnostic.  Don't use memset for
        classify_diagnostic.  Initialize new and recently added fields.
        (diagnostic_classify_diagnostic): Use context->n_opts instead of
        N_OPTS.
        (diagnostic_report_diagnostic): Pass context parameter to
        diagnostic_report_warnings_p.  Use option_enabled and option_name
        hooks from context.
        (emit_diagnostic): Use permissive_error_option.
        (permerror): Likewise.
        * diagnostic.h: Don't include options.h.
        (struct diagnostic_context): Add n_opts, opt_permissive,
        inhibit_warnings, warn_system_headers, option_enabled and
        option_name fields.  Change classify_diagnostic to a pointer.
        * opts-diagnostic.h: New file.
        * opts.c: Include opts-diagnostic.h.
        (common_handle_option): Set global_dc fields for -Wfatal-errors,
        -Wsystem-headers, -fshow-column, -pedantic-errors and -w.
        (option_name): New function.
        * c-opts.c (c_common_init_options): Set global_dc->opt_permissive.
        (c_common_handle_option): Set global_dc->permissive for
        -fpermissive.
        * c-common.c (c_cpp_error): Save and restore
        global_dc->warn_system_headers, not variable warn_system_headers.
        * toplev.c: Include opts-diagnostic.h.
        (general_init): Update call to diagnostic_initialize.  Set
        global_dc->show_column, global_dc->option_enabled and
        global_dc->option_name.
        (process_options): Don't set global_dc fields here.
        * Makefile.in (DIAGNOSTIC_H): Remove options.h.
        (diagnostic.o, opts.o, toplev.o): Update dependencies.

2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>

        * config/picochip/picochip.md (movsi): Split a movsi from a
        const after reload.

2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

        * ggc-zone.c: Update copyright year.
        (poison_region): Mark memory for Valgrind as undefined before
        memset () call and inaccessible afterwards.
        (ggc_pch_total_size): Change type of i to int.

2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

        * ggc-common.c (ggc_free_overhead): Allow empty slot.

2010-05-26  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

        * ggc-common.c: Update copyright year.
        (ggc_rlimit_bound): Remove prototype.  Compile only if
        !ENABLE_GC_CHECKING && !ENABLE_GC_ALWAYS_COLLECT.
        (ggc_min_heapsize_heuristic): Compile only if !ENABLE_GC_CHECKING
        && !ENABLE_GC_ALWAYS_COLLECT.  Make static.
        (ggc_min_heapsize_heuristic): Likewise.

2010-05-26  Richard Guenther  <rguenther@suse.de>

        PR rtl-optimization/44164
        * tree-ssa-alias.c (aliasing_component_refs_p): Fix the
        no-common access-path disambiguation.
        (indirect_ref_may_alias_decl_p): Adjust.
        (indirect_refs_may_alias_p): Likewise.
        (refs_may_alias_p_1): Likewise.

2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>

        * c-typeck.c: Do not include expr.h.

2010-05-26  Steven Bosscher  <steven@gcc.gnu.org>

        * rtl.h (decl_default_tls_model): Move prototype from here...
        * output.h: ...to here.
        * c-decl.c: Do not include rtl.h.
        * c-pragma.c: Likewise.
        * c-parser.c: Likewise.
        * c-gimplify.c: Likewise.  And also not hard-reg-set.
        * c-common.c: Do not include rtl.h.  Include tm_p.h and add a
        FIXME note for it.  Add a FIXME note for expr.h.
        * config/i386/i386-protos.h (ix86_enum_va_list, ix86_fn_abi_va_list,
        ix86_canonical_va_list_type): Make visible even if RTX_CODE is not
        defined.

2010-05-26  Jakub Jelinek  <jakub@redhat.com>

        PR target/44199
        * config/rs6000/rs6000.c (rs6000_emit_epilogue): If cfun->calls_alloca
        or total_size is larger than red zone size for non-V4 ABI, emit a
        stack_tie resp. frame_tie insn before stack pointer restore.
        * config/rs6000/rs6000.md (frame_tie): New insn.

2010-05-25  Eric Botcazou  <ebotcazou@adacore.com>

        * function.h (struct function): Add can_throw_non_call_exceptions bit.
        * lto-streamer-in.c (input_function): Stream it in.
        * lto-streamer-out.c (output_function): Stream it out.
        * function.c (allocate_struct_function): Set it.
        (expand_function_end): Substitute cfun->can_throw_non_call_exceptions
        for flag_non_call_exceptions.
        * cfgbuild.c (control_flow_insn_p): Likewise.
        (make_edges): Likewise.
        * cfgexpand.c (expand_stack_alignment): Likewise.
        * combine.c (distribute_notes): Likewise.
        * cse.c (cse_extended_basic_block): Likewise.
        * except.c (insn_could_throw_p): Likewise.
        * gcse.c (simple_mem): Likewise.
        * ipa-pure-const.c (check_call): Likewise.
        (check_stmt ): Likewise.
        * lower-subreg.c (lower-subreg.c): Likewise.
        * optabs.c (emit_libcall_block): Likewise.
        (prepare_cmp_insn): Likewise.
        * postreload-gcse.c (eliminate_partially_redundant_loads): Likewise.
        * postreload.c (rest_of_handle_postreload): Likewise.
        * reload1.c (reload_as_needed): Likewise.
        (emit_input_reload_insns): Likewise.
        (emit_output_reload_insns): Likewise.
        (fixup_abnormal_edges): Likewise.
        * sel-sched-ir.c (init_global_and_expr_for_insn): Likewise.
        * store-motion.c (find_moveable_store): Likewise.
        * tree-eh.c (stmt_could_throw_p): Likewise.
        (tree_could_throw_p): Likewise.
        * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
        * config/arm/arm.c (arm_expand_prologue): Likewise.
        (thumb1_expand_prologue): Likewise.
        * config/rx/rx.md (cbranchsf4): Likewise.
        (cmpsf): Likewise.
        * config/s390/s390.c (s390_emit_prologue): Likewise.
        * tree-inline.c (initialize_cfun): Copy can_throw_non_call_exceptions.
        (inline_forbidden_into_p): New predicate.
        (expand_call_inline): Use it to forbid inlining.
        (tree_can_inline_p): Likewise.

2010-05-25  Steven Bosscher  <steven@gcc.gnu.org>

        * config/i386/i386-c.c: Do not include rtl.h.
        * config/i386/t-i386: Update dependencies.

2010-05-25  Steven Bosscher  <steven@gcc.gnu.org>

        * attribs.c: Do not include rtl.h.
        * Makefile.in: Update dependencies.

2010-05-25  Anatoly Sokolov  <aesok@post.ru>

        * double-int.h (double_int_and): New.
        * combine.c (try_combine): Clean up, use double_int_* and
        immed_double_int_const functions.

2010-05-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (gcc_cv_as_ld_jalr_reloc): Redirect grep stdout,
        stderr to /dev/null instead of grep -q.
        * configure: Regenerate.

2010-05-25  Steven Bosscher  <steven@gcc.gnu.org>

        * Makefile.in (EXCEPT_H): Fix typo.

2010-05-25  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-build.c (update_conflict_hard_reg_costs): New.
        (ira_build): Call update_conflict_hard_reg_costs.

2010-05-25  Jakub Jelinek  <jakub@redhat.com>

        PR debug/41371
        * var-tracking.c (find_loc_in_1pdv): Guard asserts with
        ENABLE_CHECKING.
        (intersect_loc_chains): Walk the s2var's loc_chain together
        with s1node chain as long as the locations are equal, don't
        call find_loc_in_1pdv in that case.

        PR debug/42801
        * tree-inline.c (remap_decls): Remap DECL_VALUE_EXPR here...
        (copy_bind_expr): ... instead of here.
        (copy_tree_body_r): If id->remapping_type_depth clear TREE_BLOCK
        if the block hasn't been remapped.
        * dwarf2out.c (gen_formal_parameter_die, gen_variable_die): When
        emitting concrete instance of abstract VLA, add DW_AT_type attribute.

2010-05-25  Richard Guenther  <rguenther@suse.de>

        PR middle-end/44069
        * gimple-fold.c (maybe_fold_stmt_addition): Avoid generating
        out-of-bounds array accesses.

2010-05-25  Richard Guenther  <rguenther@suse.de>

        * lto-wrapper.c (nr, input_names, output_names, makefile): Globalize.
        (lto_wrapper_exit): Unlink all LTRANS temporary files on error.
        (run_gcc): Re-organize to make cleanup easier.

2010-05-25  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (optimization_options): Fix and move the
        flag_prefetch_loop_arrays override ...
        (override_options): ... here.

2010-05-25  Joseph Myers  <joseph@codesourcery.com>

        * diagnostic.c: Don't include plugin.h.
        (diagnostic_report_diagnostic): Don't handle plugins specially
        here.  Pass context to internal_error callback.
        * diagnostic.h (struct diagnostic_context): Add context parameter
        to internal_error callback.
        * plugin.c (warn_if_plugins, plugins_internal_error_function): New.
        * plugin.h (struct diagnostic_context): Declare.
        (warn_if_plugins, plugins_internal_error_function): Declare.
        * toplev.c (general_init): Set global_dc->internal_error.
        * Makefile.in (diagnostic.o): Update dependencies.

2010-05-25  Iain Sandoe  <iains@gcc.gnu.org>

        * config/rs6000/darwin64.h: Update DARWIN_ARCH_SPEC.
        * config/rs6000/t-darwin64: New.
        * config.gcc (powerpc64-*-darwin*): Use darwin.opts, t-darwin64,
        build crt2.

2010-05-25  Christian Borntraeger  <borntraeger@de.ibm.com>

        PR 44203
        * tree-ssa-loop-prefetch.c: Fix logic for step calculation to
        match the original (and intended) behaviour before r159557.  This
        changeset changed a=a+b*c to a=(a+b)*b which was obviously wrong
        in two ways.

2010-05-25  Richard Guenther  <rguenther@suse.de>

        * doc/invoke.texi: Document -Ofast.
        * target.h (struct gcc_target): Add handle_ofast.
        * target-def.h (TARGET_HANDLE_OFAST): Add.
        (TARGET_INITIALIZER): Adjust.
        * opts.c (decode_options): Handle -Ofast.  Enable -ffast-math with it.
        * common.opt (Ofast): Add.

2010-05-25  Paolo Bonzini  <bonzini@gnu.org>

        * doc/tm.texi (STORE_FLAG_VALUE): Do not refer to sCC patterns.
        * doc/md.texi (cstoreXX4): Update for cond-optab changes.

2010-05-25  Paolo Bonzini  <bonzini@gnu.org>

        PR target/43610
        * optabs.c (prepare_float_lib_cmp): Allow reversing the comparison
        even if !FLOAT_LIB_COMPARE_RETURNS_BOOL.  Always compute true_rtx and
        false_rtx.  Use false_rtx to compute the correct *ptest for reversed
        comparisons for which !FLOAT_LIB_COMPARE_RETURNS_BOOL.

2010-05-25  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (loc_descr_plus_const): When offset is negative, use
        DW_OP_minus with negated offset instead of DW_OP_plus.
        (loc_list_from_tree): Don't test whether second operand is INTEGER_CST.

2010-05-25  Wei Guozhi  <carrot@google.com>

        * config/arm/thumb2.md (thumb2_tlobits_cbranch): Add constraint to
        tst instruction and a new alternative.
        * config/arm/constraints.md (Pu): New constraint.

2010-05-24  Sebastian Pop  <sebastian.pop@amd.com>

        * function.c (assign_stack_local_1): Initialize variable
        to avoid warning when bootstrapping at -O3.

2010-05-24  Steven Bosscher  <steven@gcc.gnu.org>

        * configure.ac (all_lang_makefiles): Remove everything related to it.
        * configure: Regenerate.
        * Makefile.in: Fix reference to ada Make-lang.in.
        Remove support for LANG_MAKEFILES.

2010-05-24  Daniel Jacobowitz  <dan@codesourcery.com>
            Sandra Loosemore  <sandra@codesourcery.com>

        * config/arm/neon-testgen.ml: Use dg-add-options arm_neon.
        * doc/sourcebuild.texi (Effective-Target Keywords): Update arm_neon_ok
        description.  Add arm_neon_fp16_ok.
        (Add Options): Add arm_neon and arm_neon_fp16.

2010-05-24  Joseph Myers  <joseph@codesourcery.com>

        * diagnostic.c: Don't include flags.h.
        (pedantic_warning_kind, permissive_error_kind): Take diagnostic
        context parameters.  Check flags in the context passed as a parameter.
        (diagnostic_build_prefix): Add context parameter.  Check
        show_column flag in context.
        (diagnostic_action_after_output): Check fatal_errors flag in context.
        (diagnostic_report_current_module): Check show_column flag in context.
        (default_diagnostic_starter): Update call to
        diagnostic_build_prefix.
        (diagnostic_report_diagnostic): Pass context to pedantic_warning_kind.
        (emit_diagnostic): Pass context to permissive_error_kind.
        (permerror): Pass context to permissive_error_kind.
        * diagnostic.h (struct diagnostic_context): Add show_column,
        pedantic_errors, permissive and fatal_errors fields.
        (diagnostic_build_prefix): Update prototype.
        * langhooks.c
        * toplev.c (process_options): Set flags in global_dc from
        flag_show_column, flag_pedantic_errors, flag_permissive,
        flag_fatal_errors.
        * tree-diagnostic.c (default_tree_diagnostic_starter): Update call
        to diagnostic_build_prefix.
        * Makefile.in (diagnostic.o): Update dependencies.

2010-05-24  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/ia32intrin.h (__crc32q): Define only if
        __SSE4_2__ is defined.

2010-05-24  Iain Sandoe  <iains@gcc.gnu.org>

        PR target/44132
        PR middle-end/43602
        * varasm.c (get_emutls_init_templ_addr): Copy DECL_PRESERVE_P,
        DECL_VISIBILITY_SPECIFIED.
        (emutls_decl): Set DECL_PRESERVE_P and copy
        DECL_VISIBILITY_SPECIFIED, DECL_RESTRICTED_P.
        (emutls_finalize_control_var): New callback.
        (emutls_finish): Finalize emutls control variables.
        * toplev.c (compile_file): Move the call to emutls_finish ()
        before varpool_assemble_pending_decls ().

2010-05-24  Daniel Gutson  <dgutson@codesourcery.com>

        * config/arm/lib1funcs.asm (__ARM_ARCH__): __ARM_ARCH_7EM__
        added to the preprocessor condition.

2010-05-24  Paul Brook  <paul@codesourcery.com>

        * gengtype-lex.l: Add HARD_REG_SET.
        * expr.c (expand_expr_real_1): Record writes to hard registers.
        * function.c (rtl_data): Add asm_clobbers.
        * ira.c (compute_regs_asm_clobbered): Use crtl->asm_clobbers.
        (ira_setup_eliminable_regset): Remove regs_asm_clobbered.
        Use crtl->asm_clobbers.

2010-05-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/makefile.texi (Makefile): Mention stages 'profile'
        and 'feedback' for profiledbootstrap.

2010-05-23  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/44245
        * config/i386/i386.c (def_builtin): Properly check
        OPTION_MASK_ISA_64BIT.

2010-05-23  Joseph Myers  <joseph@codesourcery.com>

        * c-decl.c (diagnose_mismatched_decls): Give error for duplicate
        typedefs with different but compatible types.  Allow duplicate
        typedefs with the same type except for pedantic non-C1X, but give
        warning for variably modified types.
        * c-typeck.c (tagged_types_tu_compatible_p,
        function_types_compatible_p, type_lists_compatible_p,
        comptypes_internal): Add parameter different_types_p; set
        *different_types_p for different but compatible types.  All
        callers changed.
        (comptypes_check_different_types): New.
        * c-tree.h (comptypes_check_different_types): Declare.

2010-05-23  Steven Bosscher  <steven@gcc.gnu.org>

        * regs.h: Do not include obstack.h, basic-block.h.  Include machmode.h.
        * jump.c: Include basic-block.h.
        * profile.c: Likewise.
        * tree-profile.c: Likewise.
        * coverage.c: Likewise.
        * basic-block.h (optimize_function_for_size_p): Move to function.h.
        (optimize_function_for_speed_p): Likewise.
        * function.h (optimize_function_for_size_p,
        optimize_function_for_speed_p): Moved here from basic-block.h.
        * Makefile.in: Update dependencies.

2010-05-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * lto-wrapper.c (run_gcc): Unset MAKEFLAGS and MFLAGS
        before calling make; allow override through $MAKE.
        * doc/invoke.texi (Optimize Options): Document override.

2010-05-23  Anatoly Sokolov  <aesok@post.ru>

        * config/rs6000/rs6000.c (rs6000_mode_dependent_address_p): New.
        (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
        (rs6000_mode_dependent_address_ptr): Make static.
        * config/rs6000/rs6000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
        * config/rs6000/rs6000-protos.h (rs6000_mode_dependent_address_ptr):
        Remove.

2010-05-23  Maarten Lankhorst  <mlankhorst@codeweavers.com>

        PR target/43869
        * config/i386/i386.c: Make sure that the correct regparm is passed.

2010-05-23  Steven Bosscher  <steven@gcc.gnu.org>

        * sbitmap.h (sbitmap_ptr, const_sbitmap_ptr): Move from here...
        * sbitmap.c: ...to here to internalize sbitmap element access.
        Do not include tm.h, rtl.h, flags.h, hard-reg-set.h, and obstack.h.
        Explain why basic-block.h is included.
        * function.h: Include tm.h for CUMULATIVE_ARGS.
        * Makefile.in: Update dependencies.

2010-05-22  Steven Bosscher  <steven@gcc.gnu.org>

        * coretypes.h (struct simple_bitmap_def, sbitmap, const_sbitmap):
        New core types.
        * sbitmap.h (struct sbitmap_def): Do not typedef here.
        * sbitmap.c: Include sbitmap.h.
        * basic-block.h: Do not include bitmap.h, sbitmap.h, partition.h,
        hard-reg-set.h.  Split everything related to regsets out from here...
        * regset.h: ...to here.  New file.
        * df.h: Include regset.h and sbitmap.h.
        * tree-flow.h: Likewise.
        * cfgloop.h: Likewise.
        * except.h: Do not include sbitmap.h.  Include hashtab.h.
        * cgraph.h: Include vec.h and function.h.
        * reload.h (struct insn_chain): Change types of live_throughout
        and dead_or_set from regset_head to bitmap_head.
        (compute_use_by_pseudos): Be defined also if regset.h is not included.
        * ira-int.h (struct ira_spilled_reg_stack_slot): Change type of
        spilled_regs from regset_head to bitmap_head to avoid dependency
        in regset.h.
        * sel-sched-ir.h: Include regset.h.
        * reload.c: Include df.h before reload.h.
        * caller-save.c: Likewise.
        * reload1.c: Likewise.
        * ira.c: Likewise.
        (mark_elimination): Update type of r to bitmap, consistent with
        DF_LR_IN.
        * dominance.c: Include bitmap.h.
        * modulo-sched.c: Include df.h.
        * cfganal.c: Include bitmap.h and sbitmap.h.
        * cfgbuild.c: Include sbitmap.h.
        * lcm.c: Include sbitmap.h.
        * gcse.c (alloc_gcse_mem): Allocate regset with ALLOC_REG_SET.
        * domwalk.c: Include sbitmap.h, exclude ggc.h.
        * cfgexpand.c: Inlcude bitmap.h and sbitmap.h.
        * cselib.c: Include bitmap.h.
        * tree-optimize.c: Include regset.h.
        * stmt.c: Include bitmap.h.
        * Makefile.in: Update dependencies.

2010-05-22  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (struct varpool_node): Add same_comdat_group.
        * lto-cgrpah.c (lto_output_varpool_node): Output same_comdat_group
        pointer.
        (output_varpool): Update call of lto_output_varpool_node.
        (input_varpool): Read same_comdat_group pointer.
        (input_varpool_1): Fixup same_comdat_group pointer.
        * ipa.c (cgraph_remove_unreachable_nodes): WHen one of same comdat
        group is needed, all are.
        * varpool.c (varpool_remove_node): Remove node from same comdat group
        linklist too.
        (varpool_analyze_pending_decls): Walk same comdat groups.

2010-05-22  Steven Bosscher  <steven@gcc.gnu.org>

        * rtl.h (union rtunion_def): Remove rt_bit member.
        (XBITMAP, X0BITMAP, XCBITMAP): Remove.
        * print-rtl (print_rtx): Do not print the member.
        * gengtype.c (adjust_field_rtx_def): Do not handle it.
        * gengenrtl.c (type_from_format): Likewise.
        (accessor_from_format): Likewise.

2010-05-22  Joseph Myers  <joseph@codesourcery.com>

        * dbgcnt.c: Include toplev.h instead of errors.h.
        * ira-emit.c: Don't include errors.h.
        * ira.c: Include toplev.h instead of errors.h.
        * lto-compress.c: Include toplev.h instead of errors.h.
        * Makefile.in (lto-compress.o, lto-streamer-out.o, ira-emit.o,
        ira.o, dbgcnt.o): Update dependencies.

2010-05-22  Richard Guenther  <rguenther@suse.de>

        * gimple.c (gimple_types_compatible_p): Check type qualifications
        before merging pointer to complete and pointer to incomplete type.
        * lto-symtab.c (lto_symtab_resolve_symbols): For commons make sure
        we use our own resolution algorithm.  The gold linker plugin
        doesn't do the job we want it to do here.

2010-05-22  Anatoly Sokolov  <aesok@post.ru>

        * config/sparc/sparc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
        * config/sparc/sparc.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
        (sparc_mode_dependent_address_p): New function.

2010-05-21  Steven Bosscher  <steven@gcc.gnu.org>

        * Makefile.in: Fix c-pch.o and ggc-common.o dependencies on timevars.

        * timevar.c: Do not include any core headers.
        (timevar_print): De-i18n-ize.
        (print_time): Likewise.
        * timevar.h (timevar_push, timevar_pop): Make inline functions.

2010-05-21  Joseph Myers  <joseph@codesourcery.com>

        * diagnostic.c: Don't include tm.h, tree.h, tm_p.h, langhooks.h or
        langhooks-def.h.
        (diagnostic_initialize): Initialize x_data not last_function.
        (diagnostic_report_current_function): Move to tree-diagnostic.c.
        (default_diagnostic_starter): Call
        diagnostic_report_current_module not
        diagnostic_report_current_function.
        (diagnostic_report_diagnostic): Initialize x_data not
        abstract_origin.
        (verbatim): Likewise.
        * diagnostic.h (struct diagnostic_info): Change abstract_origin to
        x_data.
        (struct diagnostic_context): Change last_function to x_data.
        (diagnostic_auxiliary_data): Replace with
        diagnostic_context_auxiliary_data and
        diagnostic_info_auxiliary_data.
        (diagnostic_last_function_changed, diagnostic_set_last_function,
        diagnostic_report_current_function): Move to tree-diagnostic.h.
        (print_declaration, dump_generic_node, print_generic_stmt,
        print_generic_stmt_indented, print_generic_expr,
        print_generic_decl, debug_c_tree, dump_omp_clauses,
        print_call_name, debug_generic_expr, debug_generic_stmt,
        debug_tree_chain, default_tree_printer): Move to
        tree-pretty-print.h.
        (debug_gimple_stmt, debug_gimple_seq, print_gimple_seq,
        print_gimple_stmt, print_gimple_expr, dump_gimple_stmt): Move to
        gimple-pretty-print.h.
        * pretty-print.c: Don't include tree.h
        (pp_base_format): Don't handle %K here.
        (pp_base_tree_identifier): Move to tree-pretty-print.c.
        * pretty-print.h (text_info): Change abstract_origin to x_data.
        (pp_tree_identifier, pp_unsupported_tree,
        pp_base_tree_identifier): Move to tree-pretty-print.h.
        * gimple-pretty-print.h, tree-diagnostic.c, tree-diagnostic.h,
        tree-pretty-print.h: New files.
        * tree-pretty-print.c: Include tree-pretty-print.h.
        (percent_K_format): New.  Moved from pretty-print.c.
        (pp_base_tree_identifier): Move from pretty-print.c.
        * c-objc-common.c: Include tree-pretty-print.h.
        (c_tree_printer): Handle %K here.
        * langhooks.c: Include tree-diagnostic.h.
        (lhd_print_error_function): Use diagnostic_abstract_origin macro.
        * toplev.c: Include tree-diagnostic.h and tree-pretty-print.h.
        (default_tree_printer): Handle %K using percent_K_format.
        (general_init): Use default_tree_diagnostic_starter.
        * tree.c: Include tree-diagnostic.h and tree-pretty-print.h.
        (free_lang_data): Use default_tree_diagnostic_starter.
        * c-pretty-print.c: Include tree-pretty-print.h.
        * cfgexpand.c: Include tree-pretty-print.h and gimple-pretty-print.h.
        * cgraphunit.c: Include tree-pretty-print.h and gimple-pretty-print.h.
        * dwarf2out.c: Include tree-pretty-print.h.
        * except.c: Include tree-pretty-print.h.
        * gimple-pretty-print.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * gimplify.c: Include tree-pretty-print.h.
        * graphite-poly.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * ipa-cp.c: Include tree-pretty-print.h.
        * ipa-inline.c: Include gimple-pretty-print.h.
        * ipa-prop.c: Include tree-pretty-print.h and gimple-pretty-print.h.
        * ipa-pure-const.c: Include gimple-pretty-print.h.
        * ipa-struct-reorg.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * ipa-type-escape.c: Include tree-pretty-print.h.
        * print-rtl.c: Include tree-pretty-print.h.
        * print-tree.c: Include gimple-pretty-print.h.
        * sese.c: Include tree-pretty-print.h.
        * tree-affine.c: Include tree-pretty-print.h.
        * tree-browser.c: Include tree-pretty-print.h.
        * tree-call-cdce.c: Include gimple-pretty-print.h.
        * tree-cfg.c: Include tree-pretty-print.h and gimple-pretty-print.h.
        * tree-chrec.c: Include tree-pretty-print.h.
        * tree-data-ref.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-dfa.c: Include tree-pretty-print.h.
        * tree-if-conv.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-inline.c: Include tree-pretty-print.h.
        * tree-into-ssa.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-nrv.c: Include tree-pretty-print.h.
        * tree-object-size.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-outof-ssa.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-parloops.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-predcom.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-scalar-evolution.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-sra.c: Include tree-pretty-print.h.
        * tree-ssa-address.c: Include tree-pretty-print.h.
        * tree-ssa-alias.c: Include tree-pretty-print.h.
        * tree-ssa-ccp.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-ssa-coalesce.c: Include tree-pretty-print.h.
        * tree-ssa-copy.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-ssa-copyrename.c: Include tree-pretty-print.h.
        * tree-ssa-dce.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-ssa-dom.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-ssa-dse.c: Include gimple-pretty-print.h.
        * tree-ssa-forwprop.c: Include tree-pretty-print.h.
        * tree-ssa-ifcombine.c: Include tree-pretty-print.h.
        * tree-ssa-live.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-ssa-loop-im.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-ssa-loop-ivcanon.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-ssa-loop-ivopts.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-ssa-loop-niter.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-ssa-loop-prefetch.c: Include tree-pretty-print.h.
        * tree-ssa-math-opts.c: Include gimple-pretty-print.h.
        * tree-ssa-operands.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-ssa-phiprop.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-ssa-pre.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-ssa-propagate.c: Include gimple-pretty-print.h.
        * tree-ssa-reassoc.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-ssa-sccvn.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-ssa-sink.c: Include gimple-pretty-print.h.
        * tree-ssa-ter.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-ssa-uninit.c: Include gimple-pretty-print.h.
        * tree-ssa.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-stdarg.c: Include gimple-pretty-print.h.
        * tree-switch-conversion.c: Include gimple-pretty-print.h.
        * tree-tailcall.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-vect-data-refs.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-vect-loop-manip.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-vect-loop.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-vect-patterns.c: Include gimple-pretty-print.h.
        * tree-vect-slp.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-vect-stmts.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * tree-vectorizer.c: Include tree-pretty-print.h.
        * tree-vrp.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * value-prof.c: Include tree-pretty-print.h and
        gimple-pretty-print.h.
        * var-tracking.c: Include tree-pretty-print.h.
        * Makefile.in (OBJS-common): Add tree-diagnostic.o.
        (tree-diagnostic.o): New dependencies.
        (c-objc-common.o, c-pretty-print.o, langhooks.o, tree.o,
        tree-inline.o, print-tree.o, stor-layout.o, tree-ssa-uninit.o,
        tree-ssa.o, tree-into-ssa.o, tree-ssa-ter.o, tree-ssa-coalesce.o,
        tree-outof-ssa.o, tree-ssa-forwprop.o, tree-ssa-phiprop.o,
        tree-ssa-ifcombine.o, tree-nrv.o, tree-ssa-copy.o,
        tree-ssa-propagate.o, tree-ssa-dom.o, tree-ssa-uncprop.o,
        tree-ssa-live.o, tree-ssa-copyrename.o, tree-ssa-pre.o,
        tree-ssa-sccvn.o, tree-vrp.o, tree-cfg.o, tree-tailcall.o,
        tree-ssa-sink.o, tree-if-conv.o, tree-dfa.o, tree-ssa-operands.o,
        tree-ssa-address.o, tree-ssa-loop-niter.o,
        tree-ssa-loop-ivcanon.o, tree-ssa-loop-prefetch.o, tree-predcom.o,
        tree-ssa-loop-ivopts.o, tree-affine.o, tree-ssa-loop-im.o,
        tree-ssa-math-opts.o, tree-ssa-alias.o, tree-ssa-reassoc.o,
        gimplify.o, tree-browser.o, tree-chrec.o, tree-scalar-evolution.o,
        tree-data-ref.o, sese.o, graphite-poly.o, tree-vect-loop.o,
        tree-vect-loop-manip.o, tree-vect-patterns.o, tree-vect-slp.o,
        tree-vect-stmts.o, tree-vect-data-refs.o, tree-vectorizer.o,
        tree-parloops.o, tree-stdarg.o, tree-object-size.o,
        gimple-pretty-print.o, tree-pretty-print.o, diagnostic.o,
        toplev.o, print-rtl.o, except.o, dwarf2out.o, cgraphunit.o,
        ipa-prop.o, ipa-cp.o, ipa-inline.o, ipa-pure-const.o,
        ipa-type-escape.o, ipa-struct-reorg.o, tree-ssa-dce.o,
        tree-call-cdce.o, tree-ssa-ccp.o, tree-sra.o,
        tree-switch-conversion.o, var-tracking.o, value-prof.o,
        cfgexpand.o, pretty-print.o): Update dependencies.

2010-05-22  Andreas Tobler  <andreast@fgznet.ch>

        * tree-ssa-structalias.c: Remove tm_p.h from include.

2010-05-21  Jeff Law  <law@redhat.com>

        * ira-costs.c (ira_tune_allocno_costs_and_cover_classes): Fix typo.

2010-05-21  Jason Merrill  <jason@redhat.com>

        * tree-eh.c (cleanup_is_dead_in): New.
        (lower_try_finally): Don't generate a dead cleanup region.
        (lower_cleanup): Likewise.

2010-05-21  Jakub Jelinek  <jakub@redhat.com>

        PR debug/44223
        * haifa-sched.c (schedule_insn): When freeing INSN_REG_USE_LIST,
        unchain each use from the cyclic next_regno_use chain first.

2010-05-21  Steven Bosscher  <steven@gcc.gnu.org>

        * real: Do not include gmp.h, mpfr.h, and mpc.h.
        (REAL_VALUE_NEGATE, REAL_VALUE_ABS, real_arithmetic2): Remove.
        (real_value_negate, real_value_abs): New prototypes.
        (do_mpc_arg2, real_from_mpfr, mpfr_from_real): Move from here...
        * realmpfr.h (do_mpc_arg2, real_from_mpfr, mpfr_from_real): ...to here,
        new include file for interface between MPFR and REAL_VALUE_TYPE.
        * real.c: Include realmpfr.h.
        (real_arithmetic2): Remove legacy function.
        (real_value_negate): New.
        (real_value_abs): New.
        (mfpr_from_real, real_from_mpfr): Move from here...
        * realmpfr.c (mpfr_from_real, real_from_mpfr): ...to here, new file.
        * builtins.c: Include realmpfr.h.
        * fold-const.c: Include realmpfr.h.
        (fold_comparison): Use real_value_negate instead of REAL_VALUE_NEGATE.
        (fold_negate_const): Likewise.
        (fold_abs_const): Use real_value_abs instead of REAL_VALUE_ABS.
        * toplev.c: Include realmpfr.h.
        * simplify-rtx.c (simplify_const_unary_operation): Use real_value_abs
        and real_value_negate.
        * fixed-value.c (check_real_for_fixed_mode): Likewise.
        * config/arm/arm.c (neg_const_double_rtx_ok_for_fpa): Likewise.
        (vfp3_const_double_index): Likewise.
        (arm_print_operand): Likewise.
        * Makefile.in: Update dependencies.

2010-05-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (override_options): Increase the default
        of max-completely-peel-times.

2010-05-21  Julian Brown  <julian@codesourcery.com>
            Mark Mitchell  <mark@codesourcery.com>

        * config/arm/arm.c (arm_function_ok_for_sibcall): Only forbid
        sibling calls for Thumb-1.
        * config/arm/arm.h (USE_RETURN_INSN): Enable for Thumb-2.
        * config/arm/arm.md (*call_symbol, *call_value_symbol): Use for
        Thumb-2.
        (*call_insn, *call_value_insn): Don't use for Thumb-2.
        (sibcall, sibcall_value, *sibcall_insn, *sibcall_value_insn): Use
        for Thumb-2.
        (return): New expander.
        (*arm_return): New name for ARM return insn.
        * config/arm/thumb2.md (*thumb2_return): New insn pattern.

2010-05-19  Joel Sherrill  <joel.sherrill@oarcorp.com>

        * config.gcc (sparc64-*-rtems*): New target.

2010-05-21  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.c (build_function_decl_skip_args): Fix grammar.
        (build_function_type_list_1): Fix typos, adjust formatting.

2010-05-21  Steven Bosscher  <steven@gcc.gnu.org>

        * tree.h: Include real.h and fixed-value.h as basic datatypes.
        * dfp.c, convert.c, reload1.c, reginfo.c, tree-flow.h,
        tree-ssa-threadedge.c, tree-ssanames.c, tree-loop-linear.c,
        tree-into-ssa.c, tree-vect-generic.c, tree-ssa-structalias.c,
        tree-ssa-loop-im.c, tree-dump.c, tree-complex.c, tree-ssa-uninit.c,
        genrecog.c, tree-ssa-threadupdate.c, tree-ssa-loop-niter.c,
        tree-pretty-print.c, tree-loop-distribution.c,
        tree-ssa-loop-unswitch.c, c-lex.c, optabs.c, postreload-gcse.c,
        tree-ssa-loop-manip.c, postreload.c, tree-ssa-loop-ch.c,
        tree-tailcall.c, tree.c, reload.c, tree-scalar-evolution.c, rtlanal.c,
        tree-phinodes.c, builtins.c, final.c, genoutput.c, fold-const.c,
        tree-ssa-dse.c, genautomata.c, tree-ssa-uncprop.c, toplev.c,
        tree-chrec.c, genemit.c, c-cppbuiltin.c, tree-ssa-sccvn.c,
        tree-ssa-ccp.c, tree-ssa-loop-ivopts.c, mode-switching.c,
        tree-call-cdce.c, cse.c, genpeep.c, tree-ssa-math-opts.c,
        tree-ssa-dom.c, tree-nrv.c, tree-ssa-propagate.c, tree-ssa-alias.c,
        tree-ssa-sink.c, jump.c, ifcvt.c, dwarf2out.c, expr.c, genattrtab.c,
        genconditions.c, tree-ssa-loop-ivcanon.c, tree-ssa-loop.c,
        tree-parloops.c, recog.c, tree-ssa-address.c, lcm.c, tree-eh.c,
        gimple-pretty-print.c, c-pretty-print.c, print-rtl.c, gcse.c,
        tree-if-conv.c, tree-data-ref.c, tree-affine.c, gimplify.c,
        tree-ssa-phiopt.c, implicit-zee.c, expmed.c, tree-dfa.c, emit-rtl.c,
        store-motion.c, cselib.c, tree-cfgcleanup.c, simplify-rtx.c,
        tree-ssa-pre.c, genpreds.c, tree-mudflap.c, print-tree.c,
        tree-ssa-copy.c, tree-ssa-forwprop.c, tree-ssa-dce.c, varasm.c,
        tree-nested.c, tree-ssa.c, tree-ssa-loop-prefetch.c, rtl.c,
        tree-inline.c, integrate.c, tree-optimize.c, tree-ssa-phiprop.c,
        fixed-value.c, combine.c, tree-profile.c, c-common.c, sched-vis.c,
        tree-cfg.c, passes.c, tree-ssa-reassoc.c, config/alpha/alpha.c,
        config/frv/frv.c, config/s390/s390.c, config/m32c/m32c.c,
        config/spu/spu.c, config/sparc/sparc.c, config/mep/mep.c,
        config/m32r/m32r.c, config/rx/rx.c, config/i386/i386.c,
        config/sh/sh.c, config/pdp11/pdp11.c, config/avr/avr.c,
        config/crx/crx.c, config/xtensa/xtensa.c, config/stormy16/stormy16.c,
        config/fr30/fr30.c, config/lm32/lm32.c, config/moxie/moxie.c,
        config/m68hc11/m68hc11.c, config/cris/cris.c, config/iq2000/iq2000.c,
        config/mn10300/mn10300.c, config/ia64/ia64.c, config/m68k/m68k.c,
        config/rs6000/rs6000.c, config/picochip/picochip.c, config/darwin.c,
        config/arc/arc.c, config/mcore/mcore.c, config/score/score3.c,
        config/score/score7.c, config/score/score.c, config/arm/arm.c,
        config/pa/pa.c, config/mips/mips.c, config/vax/vax.c,
        config/h8300/h8300.c, config/v850/v850.c, config/mmix/mmix.c,
        config/bfin/bfin.c: Clean up redundant includes.
        * Makefile.in: Update accordingly.

2010-05-21  Nathan Froyd  <froydnj@codesourcery.com>

        PR middle-end/44204
        * builtins.c (fold_call_stmt): Pass &error_mark_node if the call
        statement has no arguments.

2010-05-21  Kai Tietz  <kai.tietz@onevision.com>

        PR/44139
        * varasm.c (emutls_decl): Merge attributes to new decl.

2010-05-21  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/44101
        * gimplify.c (gimplify_init_constructor): Build a VIEW_CONVERT_EXPR
        around the uniquized constructor if its type requires a conversion.

2010-05-21  Jakub Jelinek  <jakub@redhat.com>

        PR debug/44205
        * tree-cfgcleanup.c (tree_forwarder_block_p): Return false if
        at -O0 goto_locus of any of the incoming edges differs from
        goto_locus of outgoing edge, or gimple_location of any of the
        labels differs.

2009-09-14  Vladimir Makarov  <vmakarov@redhat.com>

        * ira.c (ira_non_ordered_class_hard_regs): Define.
        (setup_class_hard_regs): Initialize ira_non_ordered_class_hard_regs.
        * ira-int.h (ira_non_ordered_class_hard_regs): Declare.
        * ira-costs.c (ira_tune_allocno_costs_and_cover_classes): Increase
        cost of unaligned hard regs when allocating multi-reg pseudos.

2010-05-20  Richard Sandiford  <rdsandiford@googlemail.com>

        * config.gcc (mips*-sde-elf*): Don't use sdemtk.opt.
        * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_no_float
        for TARGET_NO_FLOAT.
        * config/mips/mips.c (mips_file_start): Expand conditional expression
        into "if" statements.  Use .gnu_attribute 4,0 for TARGET_NO_FLOAT.
        (mips_override_options): Move -mno-float override -msoft-float and
        -mhard-float.
        * config/mips/mips.opt (mno-float): Move from sdemtk.opt, but add
        Condition(TARGET_SUPPORTS_NO_FLOAT).
        * config/mips/sdemtk.h (TARGET_OS_CPP_BUILTINS): Don't set
        __mips_no_float here.
        (SUBTARGET_OVERRIDE_OPTIONS): Delete.
        (TARGET_SUPPORTS_NO_FLOAT): Define.
        * config/mips/sdemtk.opt: Delete.

2010-05-20  Segher Boessenkool  <segher@kernel.crashing.org>

        * ipa-prop.c (compute_complex_ancestor_jump_func): Bail out if !cond.

2010-05-20  Uros Bizjak  <ubizjak@gmail.com>

        PR target/43733
        * configure.ac (gcc_cv_as_ix86_sahf): Switch to 64bit mode.
        * configure: Regenerate.
        * config.in: Regenerate.
        * config/i386/i386.md (x86_sahf_1): Conditionally output 0x9e
        instead of sahf only for 64bit targets.

2010-05-20  Jakub Jelinek  <jakub@redhat.com>

        PR debug/44178
        * haifa-sched.c (initiate_bb_reg_pressure_info): Do not call
        setup_ref_regs for DEBUG_INSNs.

2010-05-20  Jan Hubicka  <jh@suse.cz>

        PR middle-end/44197
        * varpool.c (varpool_remove_node): Handle in-varpool aliases.

2010-05-20  Kenneth Zadeck  <zadeck@naturalbridge.com>

        PR bootstrap/43870
        * df-scan.c (df_ref_compare): Stabilize sort.

2010-05-20  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (new_loc_descr_op_bit_piece): Add offset
        argument.  Don't use DW_OP_piece if offset is non-zero,
        put offset into second DW_OP_bit_piece argument.
        (dw_sra_loc_expr): Adjust callers.  For memory expressions
        compute offset.

2010-05-20  Hans-Peter Nilsson  <hp@axis.com>

        PR target/44202
        * config/cris/cris.md ("*addsi3_v32"): Correct "cc"
        settings for 16-bit-constant "addo" alternative.

2010-05-19  James E. Wilson  <wilson@codesourcery.com>

        * config/mips/mips-dsp.md (add<DSPV:mode>3,
        mips_add<DSP:dspfmt1>_s_<DSP:dspfmt2>): Add ISA_HAS_DSP condition.

        PR target/43764
        * mips.c (mips_call_expr_from_insn): New arg second_call.  Set it.
        (mips_annotate_pic_calls): Pass new arg to mips_call_expr_from_insn.
        Use it.

2010-05-19  Joseph Myers  <joseph@codesourcery.com>

        * diagnostic.c (FLOAT, FFS): Don't undefine.
        * passes.c, pretty-print.c, rtl-error.c, toplev.c: Likewise.
        * cse.c, regmove.c: Remove comments about stdio.h and rtl.h
        include ordering.

2010-05-19  Richard Sandiford  <rdsandiford@googlemail.com>

        * combine.c (propagate_for_debug): Call make_compound_operation
        on the source value.
        (try_combine): When implementing a split chosen by find_split_point,
        either copy i2src or set it to null.  Assert that i2src is not null
        before substituting into CALL_INSN_FUNCTION_USAGE.

2010-05-19  Anatoly Sokolov  <aesok@post.ru>

        * double-int.h (double_int_ior): New function.
        * tree.h (build_int_cst_wide_type): Remove.
        * tree.c (build_int_cst_wide_type): Remove.
        * fold-const.c (native_interpret_int): Use double_int_to_tree instead
        of build_int_cst_wide_type.
        * stor-layout.c (set_sizetype): (Ditto.).
        * dojump.c (do_jump): Use build_int_cstu instead of
        build_int_cst_wide_type.

2010-05-19  Eric Botcazou  <ebotcazou@adacore.com>

        * langhooks.h (struct lang_hooks): Add new field deep_unsharing.
        * langhooks-def.h (LANG_HOOKS_DEEP_UNSHARING): New macro.
        (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_DEEP_UNSHARING.
        * gimplify.c (mostly_copy_tree_r): Copy trees under SAVE_EXPR and
        TARGET_EXPR nodes, but only once, if instructed to do so.  Do not
        propagate the 'data' argument to copy_tree_r.
        (copy_if_shared_r): Remove bogus ATTRIBUTE_UNUSED marker.
        Propagate 'data' argument to walk_tree.
        (copy_if_shared): New function.
        (unmark_visited_r): Remove bogus ATTRIBUTE_UNUSED marker.
        (unmark_visited): New function.
        (unshare_body): Call copy_if_shared instead of doing it manually.
        (unvisit_body): Call unmark_visited instead of doing it manually.

2010-05-19  Nathan Froyd  <froydnj@codesourcery.com>

        * hooks.h (hook_tree_tree_tree_bool_null): Rename to...
        (hook_tree_tree_int_treep_bool_null): ...this.  Update signature.
        * hooks.c: Likewise.
        * target-def.h (TARGET_FOLD_BUILTIN): Define to
        hook_tree_tree_int_treep_bool_null.
        * target.h (struct gcc_target): Update signature of fold_builtin
        field.
        * doc/tm.texi (TARGET_FOLD_BUILTIN): Update description and signature.
        * builtins.c (fold_call_expr): Pass call_expr_nargs and CALL_EXPR_ARGP
        instead of the call expression.
        (fold_builtin_call_array): Pass n and argarray directly.
        (fold_call_stmt): Pass nargs and gimple_call_arg_ptr instead of
        consing a list.
        * config/alpha/alpha.c (alpha_fold_builtin): Update signature.  Lift
        MAX_ARGS check out of the loop.  Delete declaration of `arity', declare
        `i' and use it in place of `arity'.
        * config/sparc/sparc.c (sparc_fold_builtin): Update signature.
        Dereference `args' directly.
        * config/xtensa/xtensa (xtensa_fold_builtin): Likewise.

2010-05-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/sourcebuild.texi (Effective-Target Keywords): Document
        3dnow, sse3, sse2.
        (Directives): Document optional dg-require-effective-target
        selector.

2010-05-19  Richard Guenther  <rguenther@suse.de>

        PR lto/44196
        * tree.c (find_decls_types_r): Walk BLOCKs and its vars.

2010-05-19  Richard Guenther  <rguenther@suse.de>

        * doc/invoke.texi (-fwhopr): Document new optional jobs argument.
        * common.opt (fwhopr=): New.
        * opts.c (common_handle_option): Handle OPT_fwhopr.
        * gcc.c (LINK_COMMAND_SPEC): Pass fwhopr*.
        * collect2.c (main): Match -fwhopr*.
        * lto-wrapper.c (run_gcc): Handle jobs argument of -fwhopr.
        Execute ltrans stage in parallel when jobs is bigger than 1.

2010-05-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32 to
        pentiumpro on Solaris 8/x86 with Sun as.
        * configure.ac (gcc_cv_as_hidden): Check for Solaris 9/x86 as
        hidden alias bug.
        (gcc_cv_as_ix86_quad): Check for .quad directive.
        * configure: Regenerate.
        * config.in: Regenerate.
        * config/i386/sol2.h (ASM_QUAD): Change guard to !HAVE_AS_IX86_QUAD.

2010-05-19  Martin Jambor  <mjambor@suse.cz>

        * ipa-prop.c (ipa_print_node_jump_functions): Print jump functions
        also for indirect edges.  Actual printing moved...
        (ipa_print_node_jump_functions_for_edge): ...here.
        (ipa_compute_jump_functions): Renamed to
        ipa_compute_jump_functions_for_edge and made static.
        (ipa_compute_jump_functions): New function.
        (make_edge_direct_to_target): Check if the number of arguments on
        the newly direct edge is the same as the number of parametrs of
        the callee.
        * ipa-cp.c (ipcp_init_stage): Most functionality moved to new
        ipa_compute_jump_functions.  Call ipa_analyze_params_uses.
        * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call
        analysis functions unconditionally, call the new
        ipa_analyze_params_uses on the node instead of every edge.

2010-05-19  Christian Borntraeger  <borntraeger@de.ibm.com>

        * tree-ssa-loop-prefetch.c (mem_ref_group, ar_data): Change step
        to tree.
        (dump_mem_ref): Adopt debug code to handle a tree as step.  This
        also checks for a constant int vs.  non-constant but
        loop-invariant steps.
        (find_or_create_group): Change the sort algorithm to only consider
        steps that are constant ints.
        (idx_analyze_ref): Adopt code to handle a tree instead of a
        HOST_WIDE_INT for step.
        (gather_memory_references_ref): Handle tree instead of int and be
        prepared to see a NULL_TREE.
        (prune_ref_by_self_reuse, prune_ref_by_group_reuse): Do not prune
        prefetches if the step cannot be calculated at compile time.
        (issue_prefetch_ref): Issue prefetches for non-constant but
        loop-invariant steps.

2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>

        Revert:
        2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.h (build_call_list): Remove.
        * tree.c (build_call_list): Remove.

2010-05-18  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.h (build_call_list): Remove.
        * tree.c (build_call_list): Remove.

2010-05-18  Jan Hubicka  <jh@suse.cz>

        * ipa-reference.c (propagate): Walk all nodes in the cleanup stage.

2010-05-18  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/43332
        * haifa-sched.c (setup_insn_max_reg_pressure): Check barrier.

2010-05-18  Anatoly Sokolov  <aesok@post.ru>

        * tree.h (build_int_cstu): Implement as static inline.
        * tree.c (build_int_cstu): Remove function.
        (double_int_to_tree, double_int_fits_to_tree_p): Handle size types as
        sign extended.

2010-05-18  Richard Guenther  <rguenther@suse.de>

        PR lto/44143
        * lto-wrapper.c (verbose): New variable.  Initialize from -v.
        (debug): Initialize from -save-temps.
        (collect_execute): Print command-line when verbose.
        (run_gcc): Always use COLLECT_GCC_OPTIONS.  Use fork_execute
        for ltrans invocation.  Produce -dumpbase flag again.
        (process_args): Remove.
        (main): Simplify.
        * collect2.c (maybe_run_lto_and_relink): Only pass object
        files to lto-wrapper.
        * gcc.c (LINK_COMMAND_SPEC): Likewise.

2010-05-18  Jan Hubicka  <jh@suse.cz>

        * opts.c (decode_options): Do not disable whopr at ipa_cp.
        * ipa-prop.c (ipa_detect_param_modifications): Walk PHI nodes too.

2010-05-18  Steven Bosscher  <steven@gcc.gnu.org>

        PR lto/44184
        * lto-streamer-out.c (output_gimple_stmt): Output number of labels
        in a GIMPLE_ASM.
        * lto-streamer-in.c (input_gimple_stmt): Read number of labels
        in a GIMPLE_ASM.

2010-05-18  Jakub Jelinek  <jakub@redhat.com>

        PR debug/41371
        * var-tracking.c (find_loc_in_1pdv): Add a few checks from
        rtx_equal_p inline.

2010-05-18  Steven Bosscher  <steven@gcc.gnu.org>

        * config.gcc (powerpc-*-darwin*, powerpc64-*-darwin*): Add
        lto-macho as lto_binary_reader.

        * darwin.c (darwin_asm_named_section): Do not add assembler comment
        after .section directive; just print it before the directive instead.

2010-05-17  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_create_virtual_clone): Only check
        versionable_function_p when not in wpa and checking is enabled.
        * cgraphunit.c (cgraph_materialize_all_clones): Stabilize after
        there are no more functions to materialize.

2010-05-17  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (struct ipa_replace_map): Add parm_num parameter.
        * lto-cgraph.c (output_cgraph_opt_summary, input_cgraph_opt_summary):
        New functions.
        (output_cgraph): Call output_cgraph_opt_summary.
        (input_cgrpah): Call input_cgraph_opt_summary.
        (output_cgraph_opt_summary_p, output_node_opt_summary,
        input_node_opt_summary, input_cgraph_opt_section): New functions.
        * lto-section-in.c (lto_section_name): Add cgraphopt.
        * tree-inline.c (tree_function_versioning): Handle parm_num.
        * lto-streamer.c (lto_get_section_name): Handle cgraphopt.
        * lto-streamer.h (lto_section_type): Add LTO_section_cgraph_opt_sum.

2010-05-17  Changpeng Fang  <changpeng.fang@amd.com>

        * doc/invoke.texi: Update documentation for min-insn-to-prefetch-ratio.
        * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Also apply
        the insn to prefetch ratio heuristic to loops with known trip count.

2010-05-17  Changpeng Fang  <changpeng.fang@amd.com>

        * tree-ssa-loop-prefetch.c (PREFETCH_MOD_TO_UNROLL_FACTOR_RATIO): New.
        (schedule_prefetches): Do not generate a prefetch if the unroll factor
        is far from what is required by the prefetch.

2010-05-17  Jan Hubicka  <jh@suse.cz>

        * ipa-cp.c (ipcp_update_callgraph): Use ipa_is_param_used.
        (ipcp_estimate_growth): Likewise.
        (ipcp_const_param_count): Likewise.
        (ipcp_insert_stage): Likewise.
        * ipa-prop.c (visit_load_for_mod_analysis): New function.
        (visit_store_addr_for_mod_analysis): Set used flag.
        (ipa_detect_param_modifications): Set used flag for SSE params;
        update use of walk_stmt_load_store_addr_ops.
        (ipa_print_node_params): Print used flag.
        (ipa_write_node_info): Stream used flag.
        (ipa_read_node_info): Likewise.
        * ipa-prop.h (struct ipa_param_descriptor): Add used field.
        (ipa_is_param_used): New function.
        (lto_ipa_fixup_call_notes): Remove unused declaration.

2010-05-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR target/44074
        * configure.ac (HAVE_AS_IX86_REP_LOCK_PREFIX): New test.
        * configure: Regenerate.
        * config.in: Regenerate.
        * config/i386/i386.c (print_operand) <case ;>: Also print ";" if
        !HAVE_AS_IX86_REP_LOCK_PREFIX.
        Don't emit whitespace.
        * config/i386/i386.md (*rep_movdi_rex64): Use {%;} after rep.
        (*rep_movsi): Likewise.
        (*rep_movsi_rex64): Likewise.
        (*rep_movqi): Likewise.
        (*rep_movqi_rex64): Likewise.
        (*rep_stosdi_rex64): Likewise.
        (*rep_stossi): Likewise.
        (*rep_stossi_rex64): Likewise.
        (*rep_stosqi): Likewise.
        (*rep_stosqi_rex64): Likewise.
        (*cmpstrnqi_nz_1): Use {%;} after repz.
        (*cmpstrnqi_nz_rex_1): Likewise.
        (*cmpstrnqi_1): Likewise.
        (*cmpstrnqi_rex_1): Likewise.
        (*strlenqi_1): Use {%;} after repnz.
        (*strlenqi_rex_1): Likewise.
        * config/i386/sync.md (memory_barrier_nosse): Replace {%;| } by {%;} .
        (*sync_compare_and_swap<mode>): Likewise.
        (sync_double_compare_and_swap<mode>): Likewise.
        (*sync_double_compare_and_swapdi_pic): Likewise.
        (sync_old_add<mode>): Likewise.
        (sync_add<mode>): Likewise.
        (sync_sub<mode>): Likewise.
        (sync_<code><mode>): Likewise.

2010-05-17  Martin Jambor  <mjambor@suse.cz>

        * cgraph.h (cgraph_indirect_call_info): New fields anc_offset,
        otr_token and polymorphic.
        * cgraph.c (cgraph_create_indirect_edge): Inilialize the above fields.
        (cgraph_clone_edge): Copy the above fields.
        * tree.c (get_binfo_at_offset): New function.
        * tree.h (get_binfo_at_offset): Declare.
        * ipa-prop.h (enum jump_func_type): Added known_type jump function
        type, reordered items, updated comments.
        (union jump_func_value): Added base_type field, reordered fields.
        (enum ipa_lattice_type): Moved down in the file.
        (struct ipa_param_descriptor): New field polymorphic.
        (ipa_is_param_polymorphic): New function.
        * ipa-prop.c: Include gimple.h and gimple-fold.h.
        (ipa_print_node_jump_functions): Print known type jump functions.
        (compute_complex_pass_through): Renamed to...
        (compute_complex_assign_jump_func): this.
        (compute_complex_ancestor_jump_func): New function.
        (compute_known_type_jump_func): Likewise.
        (compute_scalar_jump_functions): Create known type and complex ancestor
        jump functions.
        (ipa_note_param_call): New parameter polymorphic, set the corresponding
        flag in the call note accordingly.
        (ipa_analyze_call_uses): Renamed to...
        (ipa_analyze_indirect_call_uses): this.  New parameter target, define
        variable var only in the block where it is used.
        (ipa_analyze_virtual_call_uses): New function.
        (ipa_analyze_call_uses): Likewise.
        (combine_known_type_and_ancestor_jfs): Likewise.
        (update_jump_functions_after_inlining): Implemented handling of a
        number of new jump function types combination.
        (print_edge_addition_message): Removed.
        (make_edge_direct_to_target): New function.
        (try_make_edge_direct_simple_call): Likewise.
        (try_make_edge_direct_virtual_call): Likewise.
        (update_call_notes_after_inlining): Renamed to...
        (update_indirect_edges_after_inlining): this.  Moved edge creation for
        indirect calls to try_make_edge_direct_simple_call, also calls
        try_make_edge_direct_virtual_call for virtual calls.
        (ipa_print_node_params): Changed the header message.
        (ipa_write_jump_function): Stream also known type jump functions.
        (ipa_read_jump_function): Likewise.
        (ipa_write_indirect_edge_info): Stream new fields in
        cgraph_indirect_call_info.
        (ipa_read_indirect_edge_info): Likewise.
        * Makefile.in (ipa-prop.o): Add dependency to GIMPLE_H and
        GIMPLE_FOLD_H.

2010-05-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/i386/sol2.h (TARGET_SUN_TLS): Remove duplicate definition.

2010-05-17  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.h (CALL_EXPR_ARGS): Delete.
        (call_expr_arglist): Delete.
        * tree.c (call_expr_arglist): Delete.
        * builtins.c (fold_call_expr): Pass the whole CALL_EXPR to
        targetm.fold_builtin.
        * config/alpha/alpha.c (alpha_fold_builtin): Rename arglist parameter.
        Rewrite iteration to work on call_expr_nargs rather than TREE_CHAIN.
        * config/picochip/picochip.c (picochip_expand_builtin_2op): Rename
        arglist parameter.  Use CALL_EXPR_ARG.
        (picochip_expand_builtin_3op): Likewise.
        (picochip_expand_builtin_2opvoid): Likewise.
        (picochip_expand_array_get): Likewise.
        (picochip_expand_array_put): Likewise.
        (picochip_expand_array_testport): Likewise.
        (picochip_expand_builtin): Don't call CALL_EXPR_ARGS.  Pass exp
        rather than arglist.
        * config/rx/rx.c (rx_expand_builtin): Call call_expr_nargs instead of
        CALL_EXPR_ARGS.
        * config/sparc/sparc.c (sparc_fold_builtin): Use CALL_EXPR_ARG rather
        than TREE_VALUE and TREE_CHAIN.
        * config/xtensa/xtensa.c (xtensa_fold_builtin): Likewise.
        * doc/tm.texi (TARGET_FOLD_BUILTIN): Pass CALL_EXPR tree instead of
        the arglist.

2010-05-17  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/42347
        * cfglayout.c (fixup_reorder_chain): Allow returnjump_p
        to have no fallthru edge.

        PR middle-end/44102
        * cfgcleanup.c (try_optimize_cfg): When removing trivially empty
        bb with no successors, move footer whenever in IR_RTL_CFGLAYOUT
        mode, not just when CLEANUP_CFGLAYOUT, and when in IR_RTL_CFGRTL
        add BARRIER after previous bb if needed.

2010-05-17  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.c (build_function_type_list_1): Remove bogus assert condition.

2010-05-17  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Delete
        unnecessary prototype.  Replace copy_r12 and copy_r11 flag params
        with copy_reg rtx param.
        (rs6000_emit_prologue): Update rs6000_emit_allocate_stack calls.
        Correct cases where code for ABI_V4 did not initialise the reg
        used to access frame.  Also leave frame_reg_rtx as sp for large
        frames that save no regs.

2010-05-17  Martin Jambor  <mjambor@suse.cz>

        PR middle-end/44133
        * tree-sra.c (create_access_replacement): New parameter rename, mark
        the replaement for renaming only when it is true.
        (get_access_replacement): Pass true in the rename parameter of
        create_access_replacement.
        (get_unrenamed_access_replacement): New function.
        (replace_uses_with_default_def_ssa_name): New parameter racc, get the
        replacement declaration from it.

2010-05-17  Bernd Schmidt  <bernds@codesourcery.com>

        * function.c (try_fit_stack_local, add_frame_space): New static
        functions.
        (assign_stack_local_1): Use them.  Look for opportunities to use
        space previously wasted on alignment.
        * function.h (struct frame_space): New.
        (struct rtl_data): Add FRAME_SPACE_LIST member.
        * reload1.c (something_was_spilled): New static variable.
        (alter_reg): Set it.
        (reload): Test it in addition to testing if the frame size changed.

2010-05-17  Christian Borntraeger  <borntraeger@de.ibm.com>

        * config/s390/s390.c: Define sane prefetch settings and activate
        flag_prefetch_loop_arrays on -O3.
        * config/s390/s390.h: Declare that read can use write prefetch.

2010-05-17  Jakub Jelinek  <jakub@redhat.com>

        * lto-streamer-out.c (lto_output): Fix --enable-checking=release
        build.

2010-05-16  Jan Hubicka  <jh@suse.cz>

        * ipa-cp.c (ipcp_versionable_function_p): Walk cgraph edges instead of
        function body; do not check stdarg field of struct function.

2010-05-16  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (dump_cgraph_node): Dump versionable flag.
        * cgraph.h (cgraph_local_info): Add versionable flag.
        * ipa-cp.c (ipcp_analyze_node): Set versionable flag.
        (ipcp_versionable_function_p): Use it.
        * lto-cgraph.c (lto_output_node, input_overwrite_node): Stream
        versionable flag.

2010-05-16  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_clone_node): Take decl argument and insert
        clone into hash when it is different from orig.
        (cgraph_create_virtual_clone): Update use of cgraph_clone_node.
        * cgraph.h (cgraph_clone_node): Update prototype.
        * lto-cgrpah.c (lto_cgraph_encoder_new): Create body map.
        (lto_cgraph_encoder_delete): Delete body map.
        (lto_cgraph_encoder_size): Move to header.
        (lto_cgraph_encoder_encode_body_p,
        lto_set_cgraph_encoder_encode_body): New.
        (lto_output_node): Do not take written_decls argument; output clone_of
        pointer.
        (add_node_to): Add include_body_argument; call
        lto_set_cgraph_encoder_encode_body on master of the clone.
        (add_references): Update use of add_node_to.
        (compute_ltrans_boundary): Likewise.
        (output_cgraph): Do not create written_decls bitmap.
        (input_node): Take nodes argument; stream in clone_of correctly.
        (input_cgraph_1): Update use of input_node.
        * lto-streamer-out.c (lto_output): Use encoder info to decide
        what bodies to output.
        * ipa-inline.c (cgraph_clone_inlined_nodes,
        cgraph_decide_recursive_inlining): Update call of cgraph_clone_node.
        * lto-streamer.h (lto_cgraph_encoder_d): Add body.
        (lto_cgraph_encoder_size): Define here.
        (lto_cgraph_encoder_encode_body_p, lto_varpool_encoder_encode_body_p):
        Declare.

2010-05-16  Richard Guenther  <rguenther@suse.de>

        * doc/invoke.texi (-fipa-struct-reorg): Do not mention
        -fipa-type-escape.
        * ipa-type-escape.c (gate_type_escape_vars): Run when
        -fipa-struct-reorg runs.
        * opts.c (decode_options): Do not unset flag_ipa_type_escape.
        * common.opt (fipa-type-escape): Remove.

2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>

        * opts.c (handle_option): Call into LTO streamer only if ENABLE_LTO.
        (decode_options): Likewise.
        * Makefile.in (opts.o): Add dependency on LTO_STREAMER_H.

2010-05-16  Jan Hubicka  <jh@suse.cz>

        * ipa.c (function_and_variable_visibility): Also bring local all
        aliases.

2010-05-16  Richard Guenther  <rguenther@suse.de>

        * alias.c (nonoverlapping_memrefs_p): Remove use of
        IPA type-escape information.

2010-05-16  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (c_common_reswords): Add _Static_assert for C.
        * c-parser.c (c_token_starts_declaration,
        c_parser_next_token_starts_declaration,
        c_parser_static_assert_declaration_no_semi,
        c_parser_static_assert_declaration): New.
        (c_parser_declaration_or_fndef): Add parameter static_assert_ok.
        Handle static assertions if static_assert_ok.
        (c_parser_external_declaration, c_parser_declaration_or_fndef,
        c_parser_compound_statement_nostart, c_parser_label,
        c_parser_for_statement, c_parser_objc_methodprotolist,
        c_parser_omp_for_loop): All callers of
        c_parser_declaration_or_fndef changed.
        (c_parser_struct_declaration): Handle static assertions.
        (c_parser_compound_statement_nostart): Use
        c_parser_next_token_starts_declaration and
        c_token_starts_declaration to detect start of declarations.
        (c_parser_label, c_parser_for_statement, c_parser_omp_for_loop):
        Likewise.

2010-05-16  Anatoly Sokolov  <aesok@post.ru>

        * config/mmix/mmix.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE,
        LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
        * config/mmix/mmix.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
        TARGET_FUNCTION_VALUE_REGNO_P): Define.
        (mmix_function_outgoing_value): Rename to...
        (mmix_function_value): ...this. Make static. Add 'outgoing' argument.
        (mmix_function_value_regno_p): Make static.
        (mmix_libcall_value): New function.
        * config/mmix/mmix-protos.h (mmix_function_outgoing_value,
        mmix_function_value_regno_p): Remove declaration.

2010-05-16  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.c (build_common_builtin_nodes): Always clear TREE_NOTHROW on
        BUILT_IN_ALLOCA if stack checking is enabled.

2010-05-16  Richard Guenther  <rguenther@suse.de>

        * var-tracking.c (vars_copy_1): Inline ...
        (vars_copy): ... here.  Use FOR_EACH_HTAB_ELEMENT.
        (variable_union): Use FOR_EACH_HTAB_ELEMENT.  Merge asserts.
        (variable_merge_over_cur): Adjust.  Merge asserts.
        (variable_merge_over_src): Likewise.
        (dataflow_set_merge): Use FOR_EACH_HTAB_ELEMENT.
        (variable_post_merge_new_vals): Merge asserts.
        (variable_post_merge_perm_vals): Likewise.
        (find_mem_expr_in_1pdv): Likewise.
        (dataflow_set_different_value): Remove.
        (onepart_variable_different_p): Merge asserts.
        (variable_different_p): Likewise.
        (dataflow_set_different_1): Inline ...
        (dataflow_set_different): ... here.  Use FOR_EACH_HTAB_ELEMENT.
        (emit_notes_for_differences_1): Merge asserts.

2010-05-16  Richard Guenther  <rguenther@suse.de>

        * lto-symtab.c (lto_symtab_entry_hash): Use IDENTIFIER_HASH_VALUE.
        * optabs.c (libfunc_decl_hash): Likewise.
        * varasm.c (emutls_decl): Likewise.

2010-05-16  Steven Bosscher  <steven@gcc.gnu.org>

        * c-decl.c: Don't include gimple.h.
        (merge_decls): Do not copy gimple_body.

2010-05-15  Jason Merrill  <jason@redhat.com>

        * c.opt: Add -fnothrow-opt.

2010-05-15  Jan Hubicka  <jh@suse.cz>

        * ipa-prop.c (ipa_prop_read_section): Add sanity check that node is
        analyzed.
        * passes.c (ipa_write_summaries): Write all analyzed nodes.

2010-05-15  Steven Bosscher  <steven@gcc.gnu.org>

        * vecir.h: New file with VEC primitives for tree, gimple, and rtl.
        * Makefile.in: Add it.
        Fix all other Makefile dependencies for changes below.
        * tree.h: Include it instead of defining VEC primitives here.
        * gimple.h: Likewise.
        * rtl.h: Likewise.
        * tree-inline.h: Inlclude vecir.h instead of gimple.h.
        * except.h: Include vecir.h, break dependence on tree.h.

        * gimplify.c (append_to_statement_list_1, append_to_statement_list):
        Move from here...
        * tree-iterator.c: ...to here.
        * tree-iterator.h: Fix file introduction comment.  Add extern markers.

        * c-lex.c: Include fixed-value.h instead of rtl.h.  Do not include
        tm_p.h.
        * c-cppbuiltin.c: Explain why debug.h and tm_p.h are included.
        * c-objc-common.h: Do not include tm.h, rtl.h, insn-config.h,
        integrate.h, function.h, toplev.h, tree-inline.h, ggc.h,
        tree-mudflap.h, and target.h.
        * c-semantics.c: Do not include except.h, ggc.h, rtl.h, timevar.h,
        predict.h, tree-inline.h, gimple.h, and langhooks.h.
        * c-decl.c: Do not include expr.h, ggc.h, libfuncs.h, except.h.
        Add FIXME for why gimple.h is still included (should be unnecessary
        since GCC 4.5 gimplification unit-at-a-time).
        * c-typeck.c: Do not include rtl.h, tm_p.h, ggc.h, and gimple.h.
        * c-pragma.c: Add FIXME for why function.h needs to be included just
        for cfun, at front-end level.
        Add note that REGISTER_TARGET_PRAGMAS should probably be a target hook.
        Do not include ggc.h, but include vecprim.h for VEC(char).
        * c-opts.c: Do not include tm.h, tree-inline.h, and tm_p.h.
        Explain why target.h is included.
        * c-omp.h: Do not include tm.h, function.h, and bitmap.h.
        Explain why gimple.h is included.
        * c-ppoutput.c: Do not include tm.h.
        * c-common.c: Do not include gimple.h.  Explain why expr.h is included.
        * c-parses.c: Explain why rtl.h is included, and that this (and only
        this) is also why tm.h must be included.
        Do not include except.h.
        * c-lang.c: Do not include ggc.h.

2010-05-15  Uros Bizjak  <ubizjak@gmail.com>

        * targhooks.c (GO_IF_MODE_DEPENDENT_ADDRESS): Use CONST_CAST_RTX.

2010-05-15  Joseph Myers  <joseph@codesourcery.com>

        * c-decl.c (grokfield): Allow typedefs for anonymous structs and
        unions by default if those structs and unions have no tags.  Do
        not condition anonymous struct and unions handling on flag_iso.
        Allow anonymous structs and unions for C1X.
        (finish_struct): Do not diagnose lack of named fields when
        anonymous structs and unions present for C1X.  Accept flexible
        array members in structure with anonymous structs or unions but no
        directly named fields.
        * doc/extend.texi (Unnamed Fields): Update.

2010-05-15  Eric Botcazou  <ebotcazou@adacore.com>

        * gimple.h (compare_field_offset): Rename into...
        (gimple_compare_field_offset): ...this.
        * gimple.c (compare_field_offset): Rename into...
        (gimple_compare_field_offset): ...this.  Compare the full access if
        the offset is self-referential.
        (gimple_types_compatible_p): Adjust for above renaming.
        * lto-streamer-in.c (input_gimple_stmt): Likewise.  Also compare the
        DECL_NONADDRESSABLE_P flag of fields before merging them.

2010-05-15  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.h (ctor_to_list): Delete.
        * tree.c (ctor_to_list): Delete.

2010-05-15  Jan Hubicka  <jh@suse.cz>

        * ipa-reference.c: Include toplev.h
        (is_proper_for_analysis): Only add to all_module_statics
        if it is allocated.
        (write_node_summary_p, stream_out_bitmap,
        ipa_reference_write_optimization_summary,
        ipa_reference_read_optimization_summary): New.
        (struct ipa_opt_pass_d pass_ipa_reference): Add
        optimization summary streaming.
        * lto-cgraph.c (referenced_from_this_partition_p,
        reachable_from_this_partition_p): New functions.
        * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
        call_may_clobber_ref_p_1): Ask ipa-reference even for public vars.
        * opts.c (decode_options): Enable ipa_reference.
        * Makefile.in (ipa-reference.o): Add toplev.h dependency.
        * lto-streamer.h (referenced_from_this_partition_p,
        reachable_from_this_partition_p): Declare.

2010-05-15  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44038
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Avoid
        taking the address of a V_C_E of a constant.

2010-05-14  Jan Hubicka  <jh@suse.cz>

        * tree.h (memory_identifier_string): Remove.
        * ipa-reference.c: Update comment; do not include gt-ipa-reference.h
        (ipa_reference_global_vars_info_d): Remove statics_not_read and
        statics_not_written.
        (ipa_reference_optimization_summary_d): New structure.
        (ipa_reference_optimization_summary_t): New type and vector.
        (ipa_reference_vars_info_d): Embedd structures instead of using
        pointers.
        (reference_vars_to_consider): Remove out of GGC space.
        (module_statics_escape): Remove.
        (global_info_obstack): Rename to ...
        (optimization_summary_obstack): ... this one.
        (initialization_status_t): Remove.
        (memory_identifier_string): Remove.
        (get_reference_vars_info): Fix indenting.
        (set_reference_vars_info): Likewise.
        (get_reference_optimization_summary): New.
        (set_reference_optimization_summary): New.
        (get_global_reference_vars_info): Remove.
        (ipa_reference_get_read_global): Remove.
        (ipa_reference_get_written_global): Remove.
        (ipa_reference_get_not_read_global): Update.
        (ipa_reference_get_not_written_global): Update.
        (is_proper_for_analysis): Outlaw addressable.
        (propagate_bits): Update for new datastructures.
        (analyze_variable): Remove.
        (init_function_info): Update for new datastructures.
        (clean_function_local_data): Remove.
        (clean_function): Remove.
        (copy_global_bitmap): Use optimizations_summary_obstack.
        (duplicate_node_data): Duplicate optimization summary only.
        (remove_node_data): Remove optimization summary only.
        (generate_summary): Do not analyze variables; do not compute
        module_statics_escape; do not prune solutions by it.
        (read_write_all_from_decl): Fix typos in comments.
        (propagate): Doscover readonly and nonaddressable first;
        update for new datastructures; share global bitmaps.
        * ipa-reference.h (ipa_reference_get_read_global,
        ipa_reference_get_written_global): Remove.
        * ipa-pure-const.c (check_stmt): Do not use memory_identifier_string.
        * Makefile.in: Remove ipa-refereference from GT files.

2010-05-14  Jakub Jelinek  <jakub@redhat.com>

        PR debug/44112
        * dwarf2out.c (resolve_one_addr): Check TREE_ASM_WRITTEN
        for all SYMBOL_REF_DECLs.

2010-05-14  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (ipa_discover_readonly_nonaddressable_vars): Declare.
        (varpool_all_refs_explicit_p): New inline function.
        * ipa-reference.c: Update comment.
        (module_statics_written): Remove.
        (get_static_decl): Remove.
        (ipa_init): Do not initialize module_statics_written.
        (analyze_function): Likewise.
        (generate_summary): Likewise; do not compute module_statics_readonly
        and do not update variable flags.
        (propagate): Call ipa_discover_readonly_nonaddressable_vars.
        * ipa.c: Inlucde flags.h
        (cgraph_local_node_p): New.
        (cgraph_remove_unreachable_nodes): Return early when not optimizing;
        promote functions to local.
        (ipa_discover_readonly_nonaddressable_vars): New function.
        (function_and_variable_visibility): Use cgraph_local_node_p.
        * varpool.c (varpool_finalize_decl): Set force_output for
        DECL_PRESERVE_P vars.

2010-05-14  Jan Hubicka  <jh@suse.cz>

        * ipa.c (cgraph_remove_unreachable_nodes): Revert accidental commit.

2010-05-14  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44119
        * tree-ssa-pre.c (eliminate): Properly mark replacement of
        a PHI node necessary.

2010-05-14  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.h (TREE_ADDRESSABLE): Remove bogus usage for FIELD_DECL.

2010-05-14  Jason Merrill  <jason@redhat.com>

        PR c++/44127
        * gimple.h (enum gf_mask): Add GF_CALL_NOTHROW.
        (gimple_call_set_nothrow): New.
        * gimple.c (gimple_build_call_from_tree): Call it.
        (gimple_call_flags): Set ECF_NOTHROW from GF_CALL_NOTHROW.

        PR c++/44127
        * gimplify.c (gimplify_seq_add_stmt): No longer static.
        * gimple.h: Declare it.
        * gimple.c (gimple_build_eh_filter): No ops.

2010-05-14  Jan Hubicka  <jh@suse.cz>

        * ipa.c (enqueue_cgraph_node): Update comment; do not re-enqueue
        nodes already in queue.
        (cgraph_remove_unreachable_nodes): Cleanup; fix problem with
        re-enqueueing node.

2010-05-14  Jakub Jelinek  <jakub@redhat.com>

        PR debug/44136
        * cfgexpand.c (expand_debug_expr): If non-memory op0
        has BLKmode, return NULL.

2010-05-14  Harsha Jagasia  <harsha.jagasia@amd.com>

        * config.gcc: Add support for --with-cpu option for bdver1.
        * config/i386/i386.h (TARGET_BDVER1): New macro.
        (ix86_tune_indices): Change SSE_UNALIGNED_MOVE_OPTIMAL
        to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
        (ix86_tune_features) :Change SSE_UNALIGNED_MOVE_OPTIMAL
        to SSE_UNALIGNED_LOAD_OPTIMAL. Add SSE_UNALIGNED_STORE_OPTIMAL.
        Add SSE_PACKED_SINGLE_INSN_OPTIMAL.
        (TARGET_CPU_DEFAULT_NAMES): Add bdver1.
        (processor_type): Add PROCESSOR_BDVER1.
        * config/i386/i386.md: Add bdver1 as a new cpu attribute to match
        processor_type in config/i386/i386.h.
        Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit
        movaps <reg, reg> instead of movapd <reg, reg> when replacing
        movsd <reg, reg> or movss <reg, reg> for SSE and AVX.
        Add check for  TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL
        to emit packed xor instead of packed double/packed integer
        xor for SSE and AVX when moving a zero value.
        * config/i386/sse.md: Add check for
        TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movaps instead of
        movapd/movdqa for SSE and AVX.
        Add check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed
        single logical operations i.e and, or and xor instead of packed double
        logical operations for SSE and AVX.
        * config/i386/i386-c.c (ix86_target_macros_internal):
        Add PROCESSOR_BDVER1.
        * config/i386/driver-i386.c: Turn on -mtune=native for BDVER1.
        (has_fma4, has_xop): New.
        * config/i386/i386.c (bdver1_cost): New variable.
        (m_BDVER1): New macro.
        (m_AMD_MULTIPLE): Add m_BDVER1.
        (x86_tune_use_leave, x86_tune_push_memory, x86_tune_unroll_strlen,
        x86_tune_deep_branch_prediction, x86_tune_use_sahf, x86_tune_movx,
        x86_tune_use_simode_fiop, x86_tune_promote_qimode,
        x86_tune_add_esp_8, x86_tune_tune_sub_esp_4, x86_tune_sub_esp_8,
        x86_tune_integer_dfmode_moves, x86_tune_partial_reg_dependency,
        x86_tune_sse_partial_reg_dependency,
        x86_tune_sse_unaligned_load_optimal,
        x86_tune_sse_unaligned_store_optimal, x86_tune_sse_typeless_stores,
        x86_tune_memory_mismatch_stall, x86_tune_use_ffreep,
        x86_tune_inter_unit_moves, x86_tune_inter_unit_conversions,
        x86_tune_use_bt, x86_tune_pad_returns, x86_tune_slow_imul_imm32_mem,
        x86_tune_slow_imul_imm8, x86_tune_fuse_cmp_and_branch):
        Enable/disable for bdver1.
        (processor_target_table): Add bdver1_cost.
        (cpu_names): Add bdver1.
        (override_options): Set up PROCESSOR_BDVER1 for bdver1 entry in
         processor_alias_table.
        (ix86_expand_vector_move_misalign): Change.
        TARGET_SSE_UNALIGNED_MOVE_OPTIMAL to TARGET_SSE_UNALIGNED_LOAD_OPTIMAL.
        Check for TARGET_SSE_UNALIGNED_STORE_OPTIMAL.
        Check for TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit movups instead
        of movupd/movdqu for SSE and AVX.
        (ix86_tune_issue_rate): Add PROCESSOR_BDVER1.
        (ix86_tune_adjust_cost): Add code for bdver1.
        (standard_sse_constant_opcode): Add check for
        TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL to emit packed single xor instead
        of packed double xor for SSE and AVX.

2010-05-14  Pat Haugen  <pthaugen@us.ibm.com>

        * tree-ssa-loop.prefetch.c (prune_ref_by_group_reuse): Cast abs()
        result to unsigned.

2010-05-14  Tristan Gingold  <gingold@adacore.com>

        * toplev.c (default_debug_hooks): Remove this variable.
        (process_options): Remove assignments to default_debug_hooks.

2010-05-14  Martin Jambor  <mjambor@suse.cz>

        * langhooks-def.h (LANG_HOOKS_FOLD_OBJ_TYPE_REF): Remove.
        (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_FOLD_OBJ_TYPE_REF.
        * langhooks.h (struct lang_hooks_for_decls): Removed field
        fold_obj_type_ref.
        * tree.c (free_lang_data): Remove assignment to
        lang_hooks.fold_obj_type_ref.
        * tree.def (OBJ_TYPE_REF): Update comment.

2010-05-14  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44124
        * tree-ssa-sccvn.c (vn_nary_may_trap): Fix invalid memory access.

2010-05-14  Alan Modra  <amodra@gmail.com>

        PR target/44075
        * config/rs6000/rs6000.c (struct machine_function): Reorder
        fields for better packing.  Add lr_save_state.
        (rs6000_ra_ever_killed): Return lr_save_state if set.
        (rs6000_emit_eh_reg_restore): Set lr_save_state.

2010-05-13  Jan Hubicka  <jh@suse.cz>

        * varpool.c (decide_is_variable_needed): Drop code checking
        TREE_SYMBOL_REFERENCED.

2010-05-13  Jan Hubicka  <jh@suse.cz>

        * final.c (output_addr_const): Do not call mark_decl_referenced.
        * cgraphunit.c (process_function_and_variable_attributes): Use
        mark_needed_node dirrectly.
        (assemble_thunk): Do not call mark_decl_referenced.

2010-05-13  Anatoly Sokolov  <aesok@post.ru>

        * targhooks.c (default_mode_dependent_address_p): Cast 'addr' to rtx.

2010-05-13  Jeff Law  <law@redhat.com>

        * ira-conflicts.c (print_allocno_conflicts): New function broken out
        from...
        (print_conflicts): Call print_allocno_conflicts.

2010-05-13  Jakub Jelinek  <jakub@redhat.com>

        PR debug/44104
        * dwarf2out.c (modified_type_die): Don't dereference mod_type_die
        if it is NULL.

2010-05-13  Kai Tietz  <kai.tietz@onevision.com>

        * config.gcc (i[34567]86-*-mingw* | x86_64-*-mingw*): Choose
        t-mingw-w64 or t-mingw-w32 for multilib configuration.
        * config/i386/t-mingw-w32: New.
        * config/i386/t-mingw-w64 (MULTILIB_OSDIRNAMES): Change lib64 to lib.

2010-05-13  Martin Jambor  <mjambor@suse.cz>

        * gimple.c (gimple_fold_obj_type_ref): Removed (a replacement moved to
        gimple-fold.c).
        * gimple-fold.c (get_base_binfo_for_type): New function.
        (gimple_get_relevant_ref_binfo): Likewise.
        (gimple_fold_obj_type_ref_known_binfo): Likewise.
        (gimple_fold_obj_type_ref): Likewise.
        (fold_gimple_call): Simplify condition for folding virtual calls
        and call gimple_fold_obj_type_ref.
        * gimple.h (gimple_get_relevant_ref_binfo): Declare.
        (gimple_fold_obj_type_ref_known_binfo): Likewise.

2010-05-13  Andreas Schwab  <schwab@linux-m68k.org>

        * config/rs6000/rs6000-protos.h
        (rs6000_mode_dependent_address_ptr): Change argument to const_rtx.
        * config/rs6000/rs6000.c (rs6000_mode_dependent_address)
        (rs6000_debug_mode_dependent_address)
        (rs6000_mode_dependent_address_ptr): Likewise.

2010-05-13  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43983
        * var-tracking.c (track_expr_p): Allow tracking of variables optimized
        by SRA.
        * Makefile.in (dwarf2out.o): Depend on $(TREE_FLOW_H).
        * tree-sra.c (create_access_replacement): Call unshare_expr before
        passing expr to SET_DECL_DEBUG_EXPR, and remove any SSA_NAMEs from it.
        * dwarf2out.c: Include tree-flow.h.
        (struct var_loc_node): Rename var_loc_note field to loc, add comment.
        (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
        Handle DW_OP_bit_piece.
        (decl_piece_bitsize, decl_piece_varloc_ptr, decl_piece_node,
        construct_piece_list, adjust_piece_list): New functions.
        (add_var_loc_to_decl): Handle SRA optimized variables.
        Adjust for var_loc_note to loc field renaming.
        (dw_loc_list_1): For WANT_ADDRESS == 2 prefer DECL_MODE of decl
        in VAR_LOCATION note.
        (new_loc_descr_op_bit_piece): New function.
        (dw_sra_loc_expr): New function.
        (dw_loc_list): Use it.  Don't handle the last range after the
        loop, handle it inside of the loop.  Adjust for var_loc_note
        to loc field renaming.
        (add_location_or_const_value_attribute): Only special case
        single entry loc lists if loc is NOTE_P.  Adjust for
        var_loc_note to loc field renaming.
        (dwarf2out_var_location): Don't set newloc->var_loc_note
        and newloc->next here.

2010-05-12  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_mark_address_taken_node): No longer imply needed
        flag.
        * cgraph.h (cgraph_only_called_directly_p,
        cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
        (cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
        * cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
        (assemble
        * ipa.c (cgraph_remove_unreachable_nodes): Use
        cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken
        flags.
        * tree-inline.c (copy_bb): Check address_taken flag.
        * tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
        externally_visible flag.

2010-05-12  Jason Merrill  <jason@redhat.com>

        PR bootstrap/44048
        PR target/44099
        * dbxout.c (dbxout_type): Remove NULLPTR_TYPE handling.
        * sdbout.c (plain_type_1): Likewise.
        * dwarf2out.c (is_base_type): Likewise.
        (gen_type_die_with_usage): Likewise.  Generate
        DW_TAG_unspecified_type for any LANG_TYPE.

2010-05-12  Jan Hubicka  <jh@suse.cz>

        * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Build
        indrect edges too.
        * cgraph.c (cgraph_create_indirect_edge): Take ecf_flags argument.
        (cgraph_clone_edge): Update.
        (cgraph_node_remove_callees): Remove indirect calls too.
        * cgraph.h (cgraph_indirect_call_info): Add ecf_flags.
        (cgraph_create_indirect_edge): Update prototype.
        * ipa-reference.c (has_proper_scope_for_analysis): Rename to
        is_proper_for_analysis.
        (add_new_function, visited_nodes, function_insertion_hook_holder,
        get_local_reference_vars_info, mark_address_taken, mark_address,
        mark_load, mark_store, check_asm_memory_clobber, check_call,
        scan_stmt_for_static_refs, scan_initializer_for_static_refs): Remove.
        (ipa_init): Do not initialize visited_nodes;
        function_insertion_hook_holder.
        (analyze_variable): Rewrite.
        (analyze_function): Rewrite.
        (copy_local_bitmap): Remove.
        (duplicate_node_dat): Do not duplicate local info.
        (generate_summary): Simplify to only walk cgraph.
        (write_node_summary_p, ipa_reference_write_summary,
        ipa_reference_read_summary): Remove.
        (propagate): Do not remove function insertion;
        generate summary.
        (pass_ipa_reference): NULLify summary handling fields.
        * lto-cgraph.c (lto_output_edge): Output ecf_flags.
        (input_edge): Input ecf_flags.
        * ipa-prop.c (ipa_note_parm_call): Expect edge to be around.
        (update_indirect_edges_after_inlining): Ignore edges with unknown
        param.

2010-05-12  Sriraman Tallam  <tmsriram@google.com>

        * implicit-zee.c: New file.
        * tree-pass.h (pass_implicit_zee): Declare.
        * passes.c (init_optimization_passes): Add zee pass.
        * common.opt (fzee): New flag.
        * timevar.def (TV_ZEE): Define.
        * config/i386/i386.c (optimization_options): Turn on ZEE for level 2
        and beyond.
        * Makefile.in (implicit-zee.o): Add new build file.

2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
            Nathan Froyd  <froydnj@codesourcery.com>

        * c-common.c (sync_resolve_params): Remove write-only variable.

2010-05-12  Anatoly Sokolov  <aesok@post.ru>

        * target.h (struct gcc_target): Add mode_dependent_address_p field.
        * target-def.h (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
        (TARGET_INITIALIZER): Use TARGET_MODE_DEPENDENT_ADDRESS_P.
        * targhooks.c (default_mode_dependent_address_p): New function.
        * targhooks.h (default_mode_dependent_address_p): Declare function.
        * doc/tm.texi (TARGET_MODE_DEPENDENT_ADDRESS_P): New.
        (GO_IF_MODE_DEPENDENT_ADDRESS): Update.
        * recog.c (mode_dependent_address_p): Call mode_dependent_address_p
        target hook. Change return type to bool.
        * recog.h (mode_dependent_address_p): Change return type to bool.

2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
            Nathan Froyd  <froydnj@codesourcery.com>

        * tree-mudflap.c (build_function_type_0, build_function_type_1,
        build_function_type_2, build_function_type_3): Remove.
        (mudflap_init): Use build_function_type_list.

2010-05-12  Kazu Hirata  <kazu@codesourcery.com>
            Nathan Froyd  <froydnj@codesourcery.com>

        * coverage.c (build_fn_info_value): Call build_constructor instead of
        build_constructor_from_list.
        (build_ctr_info_value): Likewise.
        (build_gcov_info): Likewise.

2010-05-12  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.c (build_constructor): Compute TREE_CONSTANT for the
        resultant constructor.
        (build_constructor_single): Don't set TREE_CONSTANT.
        (build_constructor_from_list): Don't compute TREE_CONSTANT.

2010-05-12  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (struct varpool_node): Add aux.
        * varasm.c (find_decl_and_mark_needed): Force output of varpool nodes.
        * varpool.c (varpool_remove_node): Do not remove initializer.
        (varpool_reset_queue): Export.
        (varpool_finalize_decl): Volatile vars are forced to be output.
        * lto-symtab.c (lto_varpool_replace_node): Clear out initializer of
        replaced decl.
        * ipa.c (enqueue_cgraph_node, enqueue_varpool_node,
        process_references, varpool_can_remove_if_no_refs): New functions.
        (cgraph_remove_unreachable_nodes): Handle variables too.

2010-05-12  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/44088
        * config/i386/sse.md (*avx_vmmaskcmp<mode>3): New.

2010-05-12  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/44085
        * gimplify.c (enum omp_region_type): Add ORT_UNTIED_TASK,
        change value of ORT_TASK.
        (new_omp_context): Handle ORT_UNTIED_TASK like ORT_TASK.
        (omp_notice_threadprivate_variable): New function.
        (omp_notice_variable): Call it for threadprivate variables.
        If enclosing ctx is a task, print enclosing task rather than
        enclosing parallel.  Handle ORT_UNTIED_TASK like ORT_TASK.
        (gimplify_omp_task): Pass ORT_UNTIED_TASK instead of ORT_TASK
        if task has untied clause.

        PR debug/42278
        * dwarf2out.c (base_type_die): Don't add name attribute here.
        (modified_type_die): Instead of sizetype use
        its underlying original type.  If a DW_TAG_base_type doesn't
        have name added, add __unknown__.
        (dwarf2out_imported_module_or_decl_1): Don't call base_type_die,
        always call force_type_die instead.

2010-05-12  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * targhooks.c (default_stack_protect_guard): Avoid sharing RTL
        for __stack_chk_guard.

2010-05-11  Jakub Jelinek  <jakub@redhat.com>

        * c-opts.c (c_common_parse_file): If start_end_main_source_file,
        don't call start_source_file debug hook here...
        (finish_options): ... but here, after outputting predefined and
        command line defines and undefs.

        PR middle-end/44071
        * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
        no fallthru edge.
        * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
        optimizing away empty bb with no successors, move over its
        footer chain to fallthru predecessor.
        * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
        (rtl_split_edge): For asm goto call patch_jump_insn even if
        splitting fallthru edge.

        PR c++/44059
        * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
        even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
        * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
        * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
        on DW.ref.* decls.

        PR c++/44062
        * c-parser.c (c_parser_expression): Mark LHS of a comma
        expression as read if it is a decl, handled component or
        COMPOUND_EXPR with that on the RHS.
        * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
        if it is a decl or handled component.

2010-05-11  Jan Hubicka  <jh@suse.cz>

        * lto-symtab.c (lto_symtab_free): New function.
        * lto-streamer.h (lto_symtab_free): Declare.

2010-05-11  Jan Hubicka  <jh@suse.cz>

        * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
        that if function is needed it is reachable.
        (lto_output_node): See if it the function is reachable or referenced.
        (output_cgraph): Update call of lto_output_node.
        * lto-streamer.h (reachable_from_other_partition_p): Declare.

2010-05-11  Jan Hubicka  <jh@suse.cz>

        * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
        Mark as used.

2010-05-11  Jan Hubicka  <jh@suse.cz>

        PR tree-optimize/44063
        * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of
        queue.
        (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
        limits.
        (estimate_function_body_sizes): Compute sizes even when disregarding.

2010-05-11  Kai Tietz  <kai.tietz@onevision.com>

        * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.

2010-05-11  Jan Hubicka  <jh@suse.cz>

        * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
        into every boundary.

2010-05-11  Jan Hubicka  <jh@suse.cz>

        * matrix-reorg.c (matrix_reorg): Rebuild edges.

2010-05-11  Jan Hubicka  <jh@suse.cz>

        * lto-streamer.c (lto_streamer_cache_add_to_node_array,
        lto_streamer_cache_delete): Put nodes into heap.
        * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
        heap.

2010-05-11  Jan Hubicka  <jh@suse.cz>

        * cgraphbuild.c (cgraph_rebuild_references): New.
        * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
        out extern inlines.
        * cgraph.h (cgraph_rebuild_references): Declare.
        * tree-inline.c (tree_function_versioning): Use it.
        * ipa-struct-reorg.c (do_reorg_for_func): Likewise.

2010-05-11  Jan Hubicka  <jh@suse.cz>

        * cgraph.c: Include ipa-utils.h
        (cgraph_create_virtual_clone): Update references.
        * Makefile.in (cgraph.o): Add dependency at ipa-utils.h

2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>

        * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
        prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
        cache size.

2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>

        * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.

2010-05-11  Jakub Jelinek  <jakub@redhat.com>

        * gcc.c (execute): For -### don't quote arguments that
        contain just alphanumerics and _/-. characters.
        * doc/invoke.texi: Document that change for -###.

        PR debug/44023
        * df-problems.c (struct dead_debug): Add to_rescan field.
        (dead_debug_init): Clear to_rescan field.
        (dead_debug_finish): Rescan all debug insns in to_rescan
        bitmap and free the bitmap.
        (dead_debug_insert_before): Instead of rescanning debug insns
        immediately queue their rescanning until dead_debug_finish.
        (df_note_bb_compute): After dead_debug_add do continue instead
        of break.

2010-05-10  Jakub Jelinek  <jakub@redhat.com>

        PR debug/44028
        * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
        clear also INSN_REG_USE_LIST.

2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.

2010-05-10  Jan Hubicka  <jh@suse.cz>

        * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally
        commited change.

2010-05-10  Jan Hubicka  <jh@suse.cz>

        * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries):
        Allocate encoders.
        * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
        * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
        (lto_streamer_cache_create): Init alloc pool.
        (lto_streamer_cache_delete): Free alloc pool.
        * lto-streamer.h: Include alloc pool.
        (lto_streamer_cache_d): Use alloc pool.
        * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.

2010-05-10  Jan Hubicka  <jh@suse.cz>

        * Makefile.in (cgraphbuild.o): Add dependency on except.h.
        * cgraphbuild.c: Include except.h
        (record_type_list, record_eh_tables): New function.
        (build_cgraph_edges, rebuild_cgraph_edges): Use it.

2010-05-10  Jan Hubicka  <jh@suse.cz>

        * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
        __frame_dummy_init_array_entry, force_to_data): Attribute as used
        rather than unused.

2010-05-10  Michael Matz  <matz@suse.de>

        * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
        (can_reassociate_p): Use FLOAT_TYPE_P.
        * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
        (vect_force_simple_reduction): ... this.
        * tree-parloops.c (gather_scalar_reductions): Use
        vect_force_simple_reduction.
        * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
        vect_is_simple_reduction, add modify argument, if true rewrite
        "a-b" into "a+(-b)".
        (vect_is_simple_reduction, vect_force_simple_reduction): New
        functions.
        (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.

2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
            Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/44012
        * ira-build.c (remove_unnecessary_allocnos): Nullify
        regno_allocno_map of the removed allocno.

2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
        to /dev/null.
        * configure: Regenerate.

2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
        unused.
        Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
        * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
        support in Sun ld.
        * configure: Regenerate.

2010-05-10  Richard Guenther  <rguenther@suse.de>

        * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
        marked if the entry identifier is marked.

2010-05-10  Richard Guenther  <rguenther@suse.de>

        * c-common.c (struct c_common_attributes): Add fnspec attribute.
        (handle_fnspec_attribute): New function.
        * gimple.h (gimple_call_return_flags): Declare.
        (gimple_call_arg_flags): Likewise.
        * gimple.c (gimple_call_arg_flags): New function.
        (gimple_call_return_flags): Likewise.
        * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
        New argument flags.
        (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
        return value flags.
        * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
        * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
        main work to ...
        (make_heapvar_for): ... this new function.
        (handle_rhs_call): Handle fnspec attribute argument specifiers.
        (handle_lhs_call): Likewise.
        (find_func_aliases): Adjust.

2010-05-10  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44050
        * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.

2010-05-10  Wei Guozhi  <carrot@google.com>

        PR target/42879
        * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.

2010-05-09  Joseph Myers  <joseph@codesourcery.com>

        PR c/10676
        * c-typeck.c (lookup_field): Take a type directly.  Update
        recursive calls.
        (build_component_ref): Update call to lookup_field.
        (set_init_label): Use lookup_field to find initialized field.
        Handle returned list of fields like a sequence of designators.

2010-05-09  Richard Guenther  <rguenther@suse.de>

        PR middle-end/44024
        * fold-const.c (tree_single_nonzero_warnv_p): Properly
        handle &FUNCTION_DECL.

2010-05-09  Joseph Myers  <joseph@codesourcery.com>

        PR c/4784
        * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
        structures and unions recursively.
        (detect_field_duplicates): Move duplicate detection with a hash to
        detect_field_duplicates_hash.  Always use a hash if anonymous
        structures or unions are present.
        * doc/extend.texi (Unnamed Fields): Document that duplicate fields
        give errors.

2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/44046
        * config/i386/driver-i386.c (host_detect_local_cpu): Properly
        detect Atom, Core 2 and Core i7.

2010-05-09  Richard Guenther  <rguenther@suse.de>

        * gcc.c (store_arg): Handle temporary file deletion for
        joined arguments.

2010-05-09  Richard Guenther  <rguenther@suse.de>

        PR middle-end/44043
        * ipa-inline.c (estimate_function_body_sizes): Return after
        disregarding inline limits.

2010-05-09  Richard Guenther  <rguenther@suse.de>

        * gcc.c (store_arg): Revert last change.

2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>

        PR middle-end/28685
        * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
        (optimize_ops_list): Call it.

2010-05-08  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44030
        * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
        NECESSARY flag if we propagate from a inserted expression.

2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>

        * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
        domain types as equal if they are both PLACEHOLDER_EXPRs.

2010-05-08  Richard Guenther  <rguenther@suse.de>

        * lto-wrapper.c (run_gcc): Remove linker output from
        command line for LTRANS invocation.

2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>

        * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
        lto-macho as lto_binary_reader.
        * target.h (struct gcc_target): New hooks lto_start and lto_end.
        * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
        * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
        in lto_start and lto_end calls.
        (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
        magic numbers.
        (scan_prog_file): Update is_elf_or_coff call.
        * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.

        * collect2.c (main): Fix enum comparison.

        * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
        Add prototypes.
        * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
        * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
        and TARGET_ASM_LTO_END.
        * darwin.c: Include obstack.h and lto-streamer.h.
        (lto_section_names_offset, lto_section_names_obstack,
        lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
        global variables.
        (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
        (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
        to a temporary file.
        (darwin_asm_lto_end): New function.  Restore asm_out_file.
        (darwin_asm_named_section): For LTO sections, replace the name with
        the offset of the section name in a string table, and build this
        table.
        (darwin_file_start): Initialize global vars for LTO support.
        (darwin_file_end): If output to asm_out_file was redirected, append it
        to the proper asm_out_file here.  Add the section names section.

2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>

        * c-pragma.c (pending_weak_d, pending_weak): New.
        (pending_weaks): Change the type to VEC((pending_weak,gc) *.
        (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
        handle_pragma_weak): Update the uses of pending_weaks.

2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR documentation/44016
        * doc/standards.texi (Standards): Link to unversioned
        cxx0x_status.html page.

2010-05-07  Iain Sandoe  <iains@gcc.gnu.org>

        PR target/43708
        * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
        in addition to TREE_USED, to avoid "set but unused" warnings.

2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>

        * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
        (is_loop_prefetching_profitable): Do not insert prefetches
        when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
        times the prefetch ahead distance.

2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>

        * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
        Account for loop unrolling in the insn-to-prefetch ratio heuristic.
        (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
        the unroll_factor.

2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>

        * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
        a diagnostic info when the insn-to-mem ratio is too small.

2010-05-07  Richard Guenther  <rguenther@suse.de>

        * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
        the linker plugin.
        (store_arg): Queue temp_filename for deletion instead of
        the whole argument.

2010-05-07  Richard Guenther  <rguenther@suse.de>

        * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
        (run_gcc): Handle LTRANS phase invocation.
        * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.

2010-05-07  Jakub Jelinek  <jakub@redhat.com>

        * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
        this is also meaningful on PARM_DECLs and RESULT_DECLs.

2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.

2010-05-07  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44020
        * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
        code when PRE is not yet initialized.

2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/mips/dbxmdebug.h: Remove.
        * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.

2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>

        * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
        with null pointer and also warn about ordered comparison of zero with
        pointer if -Wextra.

2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>

        * graphite-blocking.c
        (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
        * graphite-clast-to-gimple.c
        (clast_to_gcc_expression): Same.
        (precision_for_value): Same.
        (precision_for_interval): Same.
        (gcc_type_for_interval): Same.
        (graphite_create_new_guard): Same.
        (compute_bounds_for_level): Same.
        (graphite_create_new_loop_guard): Same.
        * graphite-interchange.c
        (build_linearized_memory_access): Same.
        (pdr_stride_in_loop): Same.
        (memory_strides_in_loop_1): Same.
        (memory_strides_in_loop): Same.
        (extend_scattering): Same.
        (psct_scattering_dim_for_loop_depth): Same.
        (pbb_number_of_iterations): Same.
        * graphite-poly.h
        (debug_iteration_domains): Same.
        * graphite-ppl.c
        (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
        (ppl_set_inhomogeneous_gmp): Same.
        (ppl_strip_loop): Same.
        (ppl_lexico_compare_linear_expressions): Same.
        (ppl_read_polyhedron_matrix): Same.
        (ppl_max_for_le_pointset): Same.
        * graphite-ppl.h
        (ppl_read_polyhedron_matrix): Same.
        (tree_int_to_gmp): Same.
        (gmp_cst_to_tree): Same.
        (ppl_set_inhomogeneous): Same.
        (ppl_set_inhomogeneous_tree): Same.
        (ppl_set_coef): Same.
        (ppl_set_coef_tree): Same.
        * graphite-sese-to-poly.c
        (build_pbb_scattering_polyhedrons): Same.
        (build_scop_scattering): Same.
        (scan_tree_for_params_right_scev): Same.
        (scan_tree_for_params): Same.
        (find_params_in_bb): Same.
        (find_scop_parameters): Same.
        (add_upper_bounds_from_estimated_nit): Same.
        (build_loop_iteration_domains): Same.
        (add_condition_to_domain): Same.
        (pdr_add_memory_accesses): Same.

2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>

        * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
        CLooG's value_* macros to their respective mpz_* counterparts.
        * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
        (graphite_create_new_loop_guard): Same.
        * graphite-interchange.c (build_linearized_memory_access): Same.
        (pdr_stride_in_loop): Same.
        (memory_strides_in_loop_1): Same.
        (1st_interchange_profitable_p): Same.
        * graphite-poly.c (extend_scattering): Same.
        (psct_scattering_dim_for_loop_depth): Same.
        (pbb_number_of_iterations): Same.
        (pbb_number_of_iterations_at_time): Same.
        * graphite-poly.h (new_1st_loop): Same.
        * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
        (oppose_constraint): Same.
        (insert_constraint_into_matrix): Same.
        (ppl_set_inhomogeneous_gmp): Same.
        (ppl_set_coef_gmp): Same.
        (ppl_strip_loop): Same.
        (ppl_lexico_compare_linear_expressions): Same.
        (ppl_max_for_le_pointset): Same.
        (ppl_min_for_le_pointset): Same.
        (ppl_build_realtion): Same.
        * graphite-ppl.h (gmp_cst_to_tree): Same.
        (ppl_set_inhomogeneous): Same.
        (ppl_set_inhomogeneous_tree): Same.
        (ppl_set_coef): Same.
        (ppl_set_coef_tree): Same.
        * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
        (build_scop_scattering): Same.
        (add_value_to_dim): Same.
        (scan_tree_for_params_right_scev): Same.
        (scan_tree_for_params_int): Same.
        (scan_tree_for_params): Same.
        (find_params_in_bb): Same.
        (find_scop_parameters): Same.
        (add_upper_bounds_from_estimated_nit): Same.
        (build_loop_iteration_domains): Same.
        (create_linear_expr_from_tree): Same.
        (add_condition_to_domain): Same.
        (pdr_add_memory_accesses): Same.

2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
            Jason Merrill  <jason@redhat.com>

        * c-common.c (c_common_reswords): Add nullptr.
        * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
        * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
        (gen_type_die_with_usage): Likewise.
        * dbxout.c (dbxout_type): Likewise.
        * sdbout.c (plain_type_1): Likewise.

2010-05-06  Jason Merrill  <jason@redhat.com>

        * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
        Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
        ret appropriately.
        (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.

        * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
        stripping WITH_SIZE_EXPR.
        (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
        change.

2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
        list of obsolete configurations.
        Disabled check for obsolete configurations.
        (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
        Removed support for previous versions.
        * config/mips/iris.h: Removed.
        * config/mips/iris5.h: Removed.
        * config/mips/iris6.h: Merged old iris.h contents.
        (TARGET_IRIX): Removed.
        (DRIVER_SELF_SPECS): Removed mabi=32.
        (IDENT_ASM_OP): Removed undef.
        (STARTFILE_SPEC): Removed mabi=32.
        (ENDFILE_SPEC): Likewise.
        (IRIX_SUBTARGET_LINK_SPEC): Likewise.
        (MACHINE_TYPE): Update for IRIX 6.5.
        * config/mips/mips.c (mips_build_builtin_va_list): Replaced
        TARGET_IRIX by TARGET_IRIX6.
        (mips_file_start): Likewise.
        (mips_output_external): Remove IRIX 5/6 O32 support.
        (mips_output_function_prologue): Likewise.
        * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
        TARGET_IRIX6.
        (TARGET_CPU_CPP_BUILTINS): Likewise.
        (TARGET_IRIX): Removed.
        * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
        (MULTILIB_DIRNAMES): Removed 32.
        (MULTILIB_OSDIRNAMES): Removed ../lib.
        * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
        (Specific, mips-sgi-irix5): Document removal.
        (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
        Remove references to older IRIX 6 releases and the O32 ABI.

2010-05-06  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/43994
        * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
        instead of DF_REF_REAL_REG.

2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR target/43888
        * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
        handling to still return true for x64 targets.

2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.

2010-05-06  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/43791
        * ipa-inline.c (update_caller_keys): Remove bogus
        disregard_inline_limits check.

2010-05-06  Michael Matz  <matz@suse.de>

        PR tree-optimization/43984
        * tree-ssa-pre.c (inserted_phi_names): Remove.
        (inserted_exprs): Change to bitmap.
        (create_expression_by_pieces): Set bits, don't append to vector.
        (insert_into_preds_of_block): Don't handle inserted_phi_names.
        (eliminate): Don't look at inserted_phi_names, remove deleted
        insns from inserted_exprs.
        (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
        (init_pre, fini_pre): Allocate and free bitmaps.
        (execute_pre): Insert insns on edges before elimination.

2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * tree.c (initializer_zerop): Handle STRING_CST.

2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR 40989
        * doc/invoke.texi (Wimplicit): Document as C only.
        * opts.c (common_handle_option): Add argument kind.
        (handle_option): Rename as read_cmdline_option. Factor out code to...
        (handle_option): ... here. New.
        (handle_options): Rename as read_cmdline_options.
        (decode_options): Update call.
        (set_option): Use option index instead of option pointer. Classify
        diagnostics correctly.
        (enable_warning_as_error): Call handle_option.
        * opts.h (set_option): Update declaration.
        (handle_option): Declare.
        * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
        * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
        * c-opts.c (set_Wimplicit): Delete.
        (c_family_lang_mask): New static constant.
        (c_common_handle_option): Add argument kind. Use handle_option
        instead of set_Wimplicit.
        (c_common_post_options): warn_implicit and warn_implicit_int
        are disabled by default.
        * c-common.c (warn_implicit): Do not define here.
        * c-common.h (warn_implicit): Do not declare here.
        (c_common_handle_option): Update declaration.
        * lto-opts.c (lto_reissue_options): Update call to set_option.

2010-05-06  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43571
        * domwalk.c (walk_dominator_tree): Walk the dominator
        sons in more optimal order.

2010-05-06  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43934
        * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
        (stmt_cost): Likewise.
        (extract_true_false_args_from_phi): New helper.
        (determine_max_movement): For PHI nodes verify we can hoist them
        and compute their cost.
        (determine_invariantness_stmt): Handle PHI nodes.
        (move_computations_stmt): Likewise.  Hoist PHI nodes in
        if-converted form using COND_EXPRs.
        (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
        (tree_ssa_lim): Likewise.
        * tree-flow.h (tree_ssa_lim): Adjust prototype.
        * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.

2010-05-06  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43987
        * tree-ssa-structalias.c (could_have_pointers): For possibly
        address-taken variables force pointers to be recorded.
        (create_variable_info_for_1): Likewise.
        (push_fields_onto_fieldstack): Pass in wheter all fields
        must have pointers.
        (find_func_aliases): Query types instead of vars whether
        they contain pointers where appropriate.

2010-05-06  Jan Hubicka  <jh@suse.cz>

        * cgraphbuild.c (record_reference_ctx): Add varpool_node.
        (record_reference, mark_address, mark_load, mark_store): Record
        references.
        (record_references_in_initializer): Update call of record_references.
        (rebuild_cgraph_edges): Remove all references before rebuiding.
        * cgraph.c (cgraph_create_node): Clear ref list.
        (cgraph_remove_node): Remove references.
        (dump_cgraph_node): Dump references.
        (cgraph_clone_node): Clone references.
        * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
        (struct cgraph_node, varpool_node): Add ref_lst.
        * ipa-ref.c: New file.
        * ipa-ref.h: New file.
        * ipa-ref-inline.h: New file.
        * lto-cgraph.c (output_varpool): Take cgrag node set argument.
        (referenced_from_other_partition_p): New function.
        (lto_output_varpool_node): Take set arugment; call
        referenced_from_other_partition.
        (lto_output_ref): New.
        (add_references): New.
        (output_refs): New.
        (output_cgraph): Compute boundary based on references; output refs.
        (output_varpool): Accept cgraph_node_set argument.
        (input_ref): New.
        (input_refs): New.
        (input_cgraph): Call input_refs.
        * lto-section-in.c (lto_section_name): Add refs.
        * Makefile.in (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
        (ipa-ref.o): New file.
        * varpool.c (varpool_node): Clear ipa ref list.
        (varpool_remove_node): Remove references.
        (dump_varpool_node): Dump references.
        (varpool_assemble_decl): Only compile finalized ones.
        (varpool_extra_name_alias): Initialize ref list.
        * lto-streamer.c (lto-get_section_name): Add .refs section.
        * lto-streamer.h (lto_section_type): Add LTO_section_refs.
        (referenced_from_other_partition_p): Declared.

2010-05-06  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/43901
        * tree-vect-stmts.c (vectorizable_call): Assert that vector
        type is not NULL if it's transformation phase, and return
        FALSE if it's analysis.
        (vectorizable_conversion, vectorizable_operation,
        vectorizable_type_demotion, vectorizable_type_promotion): Likewise.

2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>

        * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
        Delete.
        * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
        New define.
        * config/mips/mips-protos.h
        (mips_small_register_classes_for_mode_p): Delete prototype.

2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>

        * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
        * config/arm/arm.c (multiple_operation_profitable_p,
        compute_offset_order): New static functions.
        (load_multiple_sequence, store_multiple_sequence): Use them.
        Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
        memory offsets, not register numbers.
        (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.

2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>

        * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
        (get_pending_sizes, put_pending_size, put_pending_sizes):
        Update the uses of pending_sizes.
        * c-decl.c (store_parm_decls): Likewise.
        * c-tree.h (struct c_arg_info): Likewise.
        * tree.h: Update the prototype for get_pending_sizes and
        put_pending_sizes.

2010-05-05  Jason Merrill  <jason@redhat.com>

        PR debug/43370
        * c-common.c (handle_aligned_attribute): Respect
        ATTR_FLAG_TYPE_IN_PLACE.

        PR testsuite/43758
        * target.h (struct gcc_target): Add attribute_takes_identifier_p.
        * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
        (TARGET_INITIALIZER): Use it.
        * c-common.c (attribute_takes_identifier_p): Call it.
        * c-common.h: Update prototype.
        * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
        (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.

2010-05-05  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43950
        * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
        DW_ID_down_case for Fortran compilation units.

2010-05-05  Jan Hubicka  <jh@suse.cz>

        * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
        handle aliases.

2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>

        * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
        a variable-sized RESULT_DECL.

2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.

2010-05-05  Jason Merrill  <jason@redhat.com>

        PR c++/43787
        * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
        returns GS_OK.
        (gimplify_modify_expr_rhs): Return GS_OK if anything changed.

2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR debug/43478
        * df-problems.c (struct dead_debug_use, struct dead_debug): New.
        (dead_debug_init, dead_debug_finish): New functions.
        (dead_debug_add, dead_debug_insert_before): Likewise.
        (df_note_bb_compute): Initialize a dead_debug object, add dead
        debug uses to it, insert debug bind insns before death insns,
        reset debug insns that refer to pending uses at the end.
        * rtl.h (make_debug_expr_from_rtl): New prototype.
        * varasm.c (make_debug_expr_from_rtl): New function.

2010-05-05  Jan Hubicka  <jh@suse.cz>

        * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
        (lto_varpool_encoder_new, lto_varpool_encoder_delete,
        lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
        lto_varpool_encoder_deref, lto_varpool_encoder_size,
        lto_varpool_encoder_encode_initializer_p,
        lto_set_varpool_encoder_encode_initializer): New functions.
        (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
        call output_varpool.
        (input_varpool_node): Do not always set analyzed.
        (input_cgraph_1): Return vector of cgraph nodes.
        (input_varpool_1): Return vector of varpools.
        (input_cgraph): Free the vectors.
        * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
        output only initializers needed.
        (lto_output): Only call output_cgraph.
        (produce_asm_for_decls): Call lto_varpool_encoder_delete.
        * lto-section-out.c (lto_new_out_decl_state): Initialize
        state->varpool_node_encoder.
        * lto-streamer.h (lto_varpool_encoder_d): New.
        (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
        (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
        (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
        lto_varpool_encoder_encode, lto_varpool_encoder_delete,
        lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
        Declare.
        (output_varpool, input_varpool): Remove declarations.

2010-05-05  Jan Hubicka  <jh@suse.cz>

        * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
        with body can prevail.

2010-05-05  Jan Hubicka  <jh@suse.cz>

        * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
        size.

2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

        * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.

        * gengtype.h (erro_at_line): Constify pos argument.

        * gengtype.c: Include hashtab.h.
        (enum gc_used): Document GC_MAYBE_POINTED_TO.
        (error_at_line): Constify pos argument.
        (do_typedef): Initialize p->opt field.
        (get_file_gtfilename): Fix comment typo.
        (struct walk_type_data): Constify line field.
        (get_output_file_for_structure): New function.
        (write_local_func_for_structure): Constify orig_s argument.
        Use get_output_file_for_structure.
        (write_func_for_structure): Use get_output_file_for_structure.
        (INDENT): New define.
        (dump_pair, dump_type, dump_type_list, dump_typekind)
        (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
        (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
        functions.
        (seen_types): New variable.
        (main): New variable do_dump.  Process "-d" command line option.
        Call dump_everything if dump requested.

2010-05-05  Jakub Jelinek  <jakub@redhat.com>

        * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
        in a temporary instead of invoking the macro multiple times.
        (track_expr_p): Likewise.

2010-05-04  Neil Vachharajani  <nvachhar@google.com>

        * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
        per new semantics.
        * opts.c (decode_options): Enable -Werror=coverage-mismatch.
        * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
        conditions for printing notes.
        * common.opt (-Wcoverage-mismatch): Allow negative, default to
        true, update documentation.
        * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.

2010-05-04  Jakub Jelinek  <jakub@redhat.com>

        PR c/43981
        * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
        on dimen.

2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/43799
        * config/i386/i386.md (sse_prologue_save): Clobber CC register.
        (*sse_prologue_save_insn1): Likewise.
        (SSE prologue save splitter): Likewise.

2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.c (free_lang_data_in_one_sizepos): New inline function.
        (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
        types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
        (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
        all decls.  Call it on DECL_FIELD_OFFSET of fields.
        (find_decls_types_r): Follow DECL_VALUE_EXPR.
        (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.

2010-05-04  Martin Jambor  <mjambor@suse.cz>

        * tree-sra.c (build_access_from_expr_1): The first parameter type
        changed to simple tree.
        (build_access_from_expr): Likewise, gsi parameter was eliminated.
        (scan_assign_result): Renamed to assignment_mod_result, enum elements
        renamed as well.
        (build_accesses_from_assign): Removed all parameters except for a
        simple gimple statement.  Now returns a simple bool.
        (scan_function): All non-analysis parts moved to separate functions
        sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
        parameters and updated both callers.
        (sra_modify_expr): Removed parameter data.
        (sra_modify_function_body): New function.
        (perform_intra_sra): Call sra_modify_function_body to modify the
        function body.
        (replace_removed_params_ssa_names): Parameter data changed into
        adjustments vector.
        (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
        changed the parameter dont_convert to convert with the opposite
        meaning.
        (sra_ipa_modify_assign): Parameter data changed into adjustments
        vector, return value changed to bool.
        (ipa_sra_modify_function_body): New function.
        (sra_ipa_reset_debug_stmts): Updated a comment.
        (modify_function): Use ipa_sra_modify_function_body to modify function
        body.

2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/43671
        * alias.c (true_dependence): Handle the same VALUE in x and mem.
        (canon_true_dependence): Likewise.
        (write_dependence_p): Likewise.

2010-05-04  Jan Hubicka  <jh@suse.cz>

        * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
        * cgraphbuild.c: Include ipa-utils.h
        (record_reference_ctx): New struct.
        (record_reference): Simplify to work on initializers; not statements.
        (mark_address, mark_load, mark_store): New.
        (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
        walk PHI nodes too.
        (record_references_in_initializer): Update use of record_reference.
        (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
        walk PHI nodes too.

2010-05-04  Jan Hubicka  <jh@suse.cz>

        * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
        node will be removed anyway.
        (lto_varpool_replace_node): Allow also unanalyzed nodes;
        relink aliases of node into prevailing node.
        * varpool.c (varpool_remove_node): Remove aliases properly;
        when removing node, remove all its aliases too; remove DECL_INITIAL
        of removed node; ggc_free the varpool node.

2010-05-04  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43879
        * tree-ssa-structalias.c (alias_get_name): Use
        DECL_ASSEMBLER_NAME if available.
        (create_function_info_for): Return the varinfo node.
        (ipa_pta_execute): Associate same-body aliases and extra names
        with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.

2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.

2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>

        PR bootstrap/43964
        * ira-color.c (assign_hard_reg): Declare rclass and add_cost
        only if HONOR_REG_ALLOC_ORDER is not defined.

2010-05-04  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43949
        * tree-vrp.c (extract_range_from_binary_expr): Only handle
        TRUNC_MOD_EXPR.

2010-04-26  Jason Merrill  <jason@redhat.com>

        * c.opt (-fstrict-enums): New.
        * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.

2010-05-03  David Ung  <davidu@mips.com>
            James E. Wilson  <wilson@codesourcery.com>

        * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
        emit the trap instruction before the divide for TUNE_74K.

2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>

        * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
        (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
        based on the above, for new target hook.

        * hooks.c (hook_bool_mode_true): New generic hook.
        * hooks.h (hook_bool_mode_true): Add prototype.

        * target.h (struct gcc_target): Add small_register_classes_for_mode_p
        target hook.
        * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
        target hook, set to hook_bool_mode_false.
        * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
        * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
        with targetm.small_register_classes_for_mode_p.
        (find_reusable_reload): Likewise.
        (combine_reloads): Likewise.
        * reload1.c (reload_as_needed): Likewise.
        * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
        * ifcvt.c (noce_process_if_block, check_cond_move_block,
        dead_or_predicable): Likewise.
        * regmove.c (optimize_reg_copy_1): Likewise.
        * calls.c (prepare_call_address): Likewise.
        (precompute_register_parameters): Likewise.

        * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
        hook definition.
        * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
        implementation of the hook that considers all register classes
        small except for SH64.
        (sh_override_options): Use the new hook.
        * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
        Add prototype.

        * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
        hook definition.
        * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
        implementation of the hook that considers all register classes
        small for THUMB1.
        * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
        Add prototype.

        * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
        hook definition.
        * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
        implementation of the hook that considers all register classes
        small for MIPS16.
        * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
        Add prototype.

        * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
        hook definition.
        * config/m32c/m32c.h: Likewise.
        * config/pdp11/pdp11.h: Likewise.
        * config/avr/avr.h: Likewise.
        * config/xtensa/xtensa.h: Likewise.
        * config/m68hc11/m68hc11.h: Likewise.
        * config/mn10300/mn10300.h: Likewise.
        * config/mcore/mcore.h: Likewise.
        * config/h8300/h8300.h: Likewise.
        * config/bfin/bfin.h: Likewise.

        * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
        * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.

2010-05-03  Anatoly Sokolov  <aesok@post.ru>

        * double-int.h (tree_to_double_int): Remove macro.
        (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
        * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
        (tree_to_double_int): New function.
        * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
        Move ...
        * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.

2010-05-03  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43971
        * tree-ssa-structalias.c (get_constraint_for_1): Fix
        constraints in the !flag_delete_null_pointer_checks case.

2010-05-03  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43972
        * config/i386/i386.c (ix86_delegitimize_address): Make sure the
        result mode matches original rtl mode.

2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR target/43888
        * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.

2010-05-02  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
        when processing flag options.

2010-05-02  Uros Bizjak  <ubizjak@gmail.com>

        * gcov-iov.c (main): Change format string placeholder
        from %#08x to 0x%08x.
        * genchecksum.c (dosum): Change format string placeholder
        from %#02x to 0x%02x.

2010-05-02  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43879
        * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.

2010-05-02  Bruno Haible  <bruno@clisp.org>

        * doc/extend.texi (Function Attributes): Fix a typo.

2010-05-02  Uros Bizjak  <ubizjak@gmail.com>

        Revert:
        * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
        placeholder from 0x%x to %#x.
        (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
        * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
        * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
        * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
        * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
        * config/i386/i386.c (ix86_target_string): Ditto.
        * config/i386/i386.c (output_pic_addr_const): Ditto.
        (print_operand): Ditto.

2010-05-02  Uros Bizjak  <ubizjak@gmail.com>

        * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
        placeholder from 0x%x to %#x.
        (ASM_OUTPUT_DEBUG_DATA1): Ditto.
        (ASM_OUTPUT_DEBUG_DATA4): Ditto.
        (ASM_OUTPUT_DEBUG_DATA): Ditto.
        (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
        (ASM_OUTPUT_DEBUG_DATA8): Ditto.
        * optc-gen.awk: Ditto.
        * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
        (HOST_WIDE_INT_PRINT_HEX): Ditto.
        (HOST_WIDEST_INT_PRINT_HEX): Ditto.
        (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.

2010-05-01  Anatoly Sokolov  <aesok@post.ru>

        * target.h (struct calls): Add function_value_regno_p field.
        * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
        (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
        * targhooks.c (default_function_value_regno_p): New function.
        * targhooks.h (default_function_value_regno_p): Declare function.
        * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
        * builtins.c. (apply_result_size): (Ditto.).
        * combine.c. (likely_spilled_retval_p): (Ditto.).
        * mode-switching.c. Include 'target.h'.
        (create_pre_exit): Use function_value_regno_p hook.
        * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
        * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
        TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.

        * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
        * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
        (ix86_function_value_regno_p): Declare as static, change argument
        type to const unsigned int.
        * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.

2010-05-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43949
        * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
        types.
        (extract_range_from_binary_expr): Handle *_MOD_EXPR.

2010-05-01  Anatoly Sokolov  <aesok@post.ru>

        * rtl.h (CONST_DOUBLE_P): Define.
        (rtx_to_double_int): Declare.
        * emit-rtl.c (rtx_to_double_int): New function.
        * dwarf2out.c (insert_double): New function.
        (loc_descriptor, add_const_value_attribute): Clean up, use
        rtx_to_double_int and insert_double functions.

2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>

        * doc/extend.texi (Inline): Add missing return keyword to examples.
        (Function Attributes, Variable Attributes, Pragmas): Hyphenate
        "command-line".

2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
        the variable part of the offset as well.  Use highest_pow2_factor for
        all alignment checks.

2010-04-30  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43879
        * tree-ssa-structalias.c (type_could_have_pointers): Functions
        can have pointers.

2010-04-30  Jan Hubicka  <jh@suse.cz>

        * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
        varpool.
        (lto_symtab_merge_decls_1): Remove logic looking for an initializer.

2010-04-30  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
        New.
        * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
        * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
        (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
        cgraph_node_set_needs_ltrans_p): Remove.

2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>

        * sdbout.c: Include vec.h, do not include varray.h.
        (deferred_global_decls, sdbout_global_decl,
        sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
        * toplev.c: Do not include varray.h.
        (dump_memory_report): Do not dump VARRAY statistics.
        * gengtype.c (open_base_file): Ignore varray.h.
        * Makefile.in: Update for abovementioned changes.
        Remove all traces of varray.c and varray.h.
        * varray.c: Remove file.
        * varray.h: Remove file.

2010-04-30  Jan Hubicka  <jh@suse.cz>

        * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
        references.

2010-04-30  Jan Hubicka  <jh@suse.cz>

        * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
        needed.

2010-04-30  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (get_constraint_for_1): Generate
        constraints for CONSTRUCTOR.

2010-04-30  Richard Guenther  <rguenther@suse.de>

        PR lto/43946
        * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
        first after all lowering passes.

2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>

        * toplev.c: Include varray.h for statistics dumping.
        * tree.h: Do not declare varray_head_tag.
        * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
        regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
        c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
        gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
        lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
        tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
        c-common.c, c-common.h, reg-stack.c, basic-block.h,
        tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
        include varray.h.
        * Makefile.in: Update for abovementioned changes.

2010-04-30  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43942
        * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.

2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>

        * config/picochip/picochip.c (picochip_legitimize_address): Define.
        Use this function to do machine-specific conversion.
        (picochip_legitimize_reload_address): Likewise.
        (picochip_legitimate_address_p): Check valid base register only if
        strict.
        (picochip_check_conditional_copy): Check for modw only if opnd is
        register.
        * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
        to call the function in c.
        * config/picochip/picochip-protos.h
        (picochip_legitimize_reload_address): Define.
        * config/picochip/picochip.md (supported_compare1): Define.

2010-04-30  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (cgraph_local_info): Remove for_functions_valid.
        (cgraph_global_info): Remove inlined.
        (LTO_cgraph_tag_names): Remove.
        (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
        * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
        simplify cgraph tags and document.
        (lto_output_node): Use only LTO_cgraph_unavail_node and
        LTO_cgraph_analyzed_node; Do not save analzed, reachable,
        for_functions_valid, global info, process and output flags.
        (input_overwrite_node): Initialize estimated stack size and
        estimated growth.  Do not read flags we no longer store.
        (input_node): Likewise do not read info no longer stored.
        * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
        flag.

2010-04-30  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43879
        * tree-ssa-structalias.c (get_constraint_for_1): Properly
        handle non-zero initializers.

2010-04-30  Richard Guenther  <rguenther@suse.de>

        * builtins.c (fold_builtin_1): Delete free (0).

2010-04-29  Jan Hubicka  <jh@suse.cz>

        * gengtype.c (open_base_files): Add lto-streamer.h
        * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
        (pass_ipa_cp): GGC collect.
        * toplev. (compile_file): Do not output symbols.
        * ipa-inline.c (pass_ipa_inline): Add ggc collect.
        * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
        TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
        * lto-section-in.c: Include ggc.h
        (lto_new_in_decl_state): Alloc in GGC.
        (lto_delete_in_decl_state): Likewise.
        * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
        Collect.

2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>

        PR target/42895
        * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
        ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
        (HONOR_REG_ALLOC_ORDER): Describe new macro.
        * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
        * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
        account only if HONOR_REG_ALLOC_ORDER is not defined.
        * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
        * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.

2010-04-29  Jon Grant  <04@jguk.org>

        * collect2.c (vflag): Change type from int to bool.
        (debug): Likewise.
        (helpflag): New global bool.
        (main): Set vflag and debug with boolean, not integer truth values.
        Accept new "--help" option and output usage text if found.
        * collect2.h (vflag): Update prototype.
        (debug): Likewise.

2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>

        PR bootstrap/43936
        * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.

2010-04-29  Richard Guenther  <rguenther@suse.de>

        PR bootstrap/43935
        * plugin.h (invoke_plugin_callbacks): Annotate arguments
        with ATTRIBUTE_UNUSED.

2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/43921
        * config/i386/i386.c (get_some_local_dynamic_name): Replace
        INSN_P with NONDEBUG_INSN_P.
        (distance_non_agu_define): Likewise.
        (distance_agu_use): Likewise.

2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>

        From Dominique d'Humieres  <dominiq@lps.ens.fr>
        PR bootstrap/43858
        * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
        test_set.

2010-04-29  Brian Hackett  <bhackett1024@gmail.com>

        * plugin.h (invoke_plugin_callbacks): New inline function.
        * plugin.c (flag_plugin_added): New global flag.
        (add_new_plugin): Initialize above flag.
        (invoke_plugin_callbacks): Rename to ...
        (invoke_plugin_callbacks_full): ... this.

2010-04-28  Jan Hubicka  <jh@suse.cz>

        * lto-symtab.c (lto_symtab_entry_def) Add vnode.
        (lto_varpool_replace_node): New.
        (lto_symtab_resolve_symbols): Resolve varpool nodes.
        (lto_symtab_merge_decls_1): Prefer decls with varpool node.
        (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
        * cgraph.h (varpool_node_ptr): New type.
        (varpool_node_ptr): New vector.
        (varpool_node_set_def): New structure.
        (varpool_node_set): New type.
        (varpool_node_set): New vector.
        (varpool_node_set_element_def): New structure.
        (varpool_node_set_element, const_varpool_node_set_element): New types.
        (varpool_node_set_iterator): New type.
        (varpool_node): Add prev pointers, add used_from_other_partition,
        in_other_partition.
        (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
        varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
        varpool_get_node, varpool_remove_node): Declare.
        (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
        varpool_node_set_size): New inlines.
        * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
        * tree-pass.h (varpool_node_set_def): Forward declare.
        (ipa_opt_pass_d): Summary writting takes vnode sets too.
        (ipa_write_optimization_summaries): Update prototype.
        * ipa-cp.c (ipcp_write_summary): Update.
        * ipa-reference.c (ipa_reference_write_summary): Update.
        * lto-cgraph.c (lto_output_varpool_node): New static function.
        (output_varpool): New function.
        (input_varpool_node): New static function.
        (input_varpool_1): New function.
        (input_cgraph): Input varpool.
        * ipa-pure-const.c (pure_const_write_summary): Update.
        * lto-streamer-out.c (lto_output): Update, output varpool too.
        (write_global_stream): Kill WPA hack.
        (produce_asm_for_decls): Update.
        (output_alias_pair_p): Handle variables.
        (output_unreferenced_globals): Output only needed partition of varpool.
        * ipa-inline.c (inline_write_summary): Update.
        * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
        cgraph.
        * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
        * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
        varpool_node_set_new, varpool_node_set_add,
        varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
        debug_varpool_node_set): New functions.
        * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
        (execute_one_pass): Process new decls too.
        (ipa_write_summaries_2): Pass around vsets.
        (ipa_write_summaries_1): Likewise.
        (ipa_write_summaries): Build vset; be more selective about cgraph nodes
        to add.
        (ipa_write_optimization_summaries_1): Pass around vsets.
        (ipa_write_optimization_summaries): Likewise.
        * varpool.c (varpool_get_node): New.
        (varpool_node): Update doubly linked lists.
        (varpool_remove_node): New.
        (dump_varpool_node): More dumping.
        (varpool_enqueue_needed_node): Update doubly linked lists.
        (decide_is_variable_needed): Kill ltrans hack.
        (varpool_finalize_decl): Kill lto hack.
        (varpool_assemble_decl): Skip decls in other partitions.
        (varpool_assemble_pending_decls): Update doubly linkes lists.
        (varpool_empty_needed_queue): Likewise.
        (varpool_extra_name_alias): Likewise.
        * lto-streamer.c (lto_get_section_name): Add vars section.
        * lto-streamer.h (lto_section_type): Update.
        (output_varpool, input_varpool): Declare.

2010-04-28  Mike Stump  <mikestump@comcast.net>

        * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.

2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>

        * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
        record or union type with RECORD_OR_UNION_TYPE_P predicate.
        (lto_input_ts_type_tree_pointers): Likewise.
        * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
        (lto_output_ts_type_tree_pointers): Likewise.

2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>

        Uniquization of constants at the Tree level
        * tree.h (DECL_IN_CONSTANT_POOL): New macro.
        (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
        bit to the end.
        (tree_output_constant_def): Declare.
        * gimplify.c (gimplify_init_constructor): When using block copy, first
        uniquize the constant constructor on the RHS.
        * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
        DECL_IN_CONSTANT_POOL flag.
        * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
        * varasm.c (make_decl_rtl): Deal with variables belonging to the global
        constant pool.
        (assemble_variable): Deal with symbols belonging to the tree constant
        pool.
        (get_constant_section): Add ALIGN parameter and simplify.
        (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
        (assemble_constant_contents): Use the expression of the VAR_DECL.
        (output_constant_def_contents): Use the alignment of the VAR_DECL.
        (tree_output_constant_def): New global function.
        (mark_constant): Use the expression of the VAR_DECL.
        (place_block_symbol): Use the alignment of the VAR_DECL and the size of
        its expression.
        (output_object_block): Likewise and assemble the expression.

2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>

        * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
        hash_tree, eq_tree): New tree hash table.
        (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
        [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
        lto_orig_address_remove): Reimplement.

2010-04-28  Xinliang David Li  <davidxl@google.com>

        PR c/42643
        * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
        (compute_uninit_opnds_pos): New function.
        (is_non_loop_exit_postdominating): New function.
        (compute_control_dep_chain): New function.
        (find_pdom): New function.
        (convert_control_dep_chain_into_preds): New function.
        (find_predicates): New function.
        (find_control_equiv_block): New function.
        (collect_phi_def_edges): New function.
        (find_def_preds): New function.
        (find_dom): New function.
        (dump_predicates): New function.
        (get_cmp_code): New function.
        (is_value_included_in): New function.
        (find_matching_predicate_in_rest_chains): New function.
        (use_pred_not_overlap_with_undef_path_pred): New function.
        (is_use_properly_guarded): New function.
        (normalize_cond_1): New function.
        (is_and_or_or): New function.
        (normalize_cond): New function.
        (is_gcond_subset_of): New function.
        (is_subset_of_any): New function.
        (is_or_set_subset_of): New function.
        (is_and_set_subset_of): New function.
        (is_norm_cond_subset_of): New function.
        (is_pred_expr_subset_of): New function.
        (is_pred_chain_subset_of): New function.
        (is_included_in): New function.
        (is_superset_of): New function.
        (find_uninit_use): New function.
        (warn_uninitialized_phi): New function.
        (compute_possibly_undefined_names): New function.
        (ssa_undefined_value_p): New function.
        (execute_late_warn_uninitialized): New function.
        * tree-ssa.c (ssa_undefined_value_p): Removed.
        (warn_uninit): Changed to extern.
        (warn_uninitialized_phi): Removed.
        (warn_uninitialized_vars): Changed to extern.
        (execute_late_warn_uninitialized): Removed
        * tree-flow.h: Add new prototypes.
        * timevar.def: Add new time variable.
        * Makefile.in: Add new build file.

2010-04-28  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
        type if available.

2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR target/22224
        * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.

2010-04-28  Martin Jambor  <mjambor@suse.cz>

        * cgraph.h (struct cgraph_node): New field indirect_calls.
        (struct cgraph_indirect_call_info): New type.
        (struct cgraph_edge): Removed field indirect_call. New fields
        indirect_info, indirect_inlining_edge and indirect_unknown_callee.
        (cgraph_create_indirect_edge): Declare.
        (cgraph_make_edge_direct): Likewise.
        (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
        * ipa-prop.h (struct ipa_param_call_note): Removed.
        (struct ipa_node_params): Removed field param_calls.
        (ipa_create_all_structures_for_iinln): Declare.
        * cgraph.c: Described indirect edges and uids in initial comment.
        (cgraph_add_edge_to_call_site_hash): New function.
        (cgraph_edge): Search also among the indirect edges, use
        cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
        (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
        one, use cgraph_add_edge_to_call_site_hash to add edges to the call
        site hash.
        (initialize_inline_failed): Assign a reason to indirect edges.
        (cgraph_create_edge_1): New function.
        (cgraph_create_edge): Moved some functionality to
        cgraph_create_edge_1.
        (cgraph_create_indirect_edge): New function.
        (cgraph_edge_remove_callee): Add an assert checking for
        non-indirectness.
        (cgraph_edge_remove_caller): Special-case indirect edges.
        (cgraph_remove_edge): Likewise.
        (cgraph_set_edge_callee): New function.
        (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
        (cgraph_make_edge_direct): New function.
        (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
        the declaration of the call statement matches.
        (cgraph_node_remove_callees): Special-case indirect edges.
        (cgraph_clone_edge): Likewise.
        (cgraph_clone_node): Clone also the indirect edges.
        (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
        indirect_call, dump count of indirect_calls edges.
        * ipa-prop.c (iinlining_processed_edges): New variable.
        (ipa_note_param_call): Create indirect edges instead of
        creating notes.  New parameter node.
        (ipa_analyze_call_uses): New parameter node, pass it on to
        ipa_note_param_call.
        (ipa_analyze_stmt_uses): Likewise.
        (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
        (print_edge_addition_message): Work on edges rather than on notes.
        (update_call_notes_after_inlining): Likewise, renamed to
        update_indirect_edges_after_inlining.
        (ipa_create_all_structures_for_iinln): New function.
        (ipa_free_node_params_substructures): Do not free notes.
        (ipa_edge_duplication_hook): Propagate bits within
        iinlining_processed_edges bitmap.
        (ipa_node_duplication_hook): Do not duplicate notes.
        (free_all_ipa_structures_after_ipa_cp): Renamed to
        ipa_free_all_structures_after_ipa_cp.
        (free_all_ipa_structures_after_iinln): Renamed to
        ipa_free_all_structures_after_iinln.
        (ipa_write_param_call_note): Removed.
        (ipa_read_param_call_note): Removed.
        (ipa_write_indirect_edge_info): New function.
        (ipa_read_indirect_edge_info): Likewise.
        (ipa_write_node_info): Do not stream notes, do stream information
        in indirect edges.
        (ipa_read_node_info): Likewise.
        (lto_ipa_fixup_call_notes): Removed.
        * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
        * ipa-inline.c (pass_ipa_inline): Likewise.
        * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
        * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
        * tree-inline.c (copy_bb): Removed an unnecessary double check for
        is_gimple_call.
        * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
        edges.
        * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
        (output_cgraph): Stream also indirect edges.
        (lto_output_edge): Added capability to stream indirect edges.
        (input_edge): Likewise.
        (input_cgraph_1): Likewise.
        * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
        of indirect edges.

2010-04-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43879
        PR tree-optimization/43909
        * tree-ssa-structalias.c (struct variable_info): Add
        only_restrict_pointers flag.
        (new_var_info): Initialize it.  Increment stats.total_vars here.
        (create_function_info_for): Do not increment stats.total_vars here.
        (get_function_part_constraint): Fix build with C++.
        (insert_into_field_list): Remove.
        (push_fields_onto_fieldstack): Properly merge fields.
        (create_variable_info_for): Split and simplify.
        (create_variable_info_for_1): New piece.
        (intra_create_variable_infos): Properly make restrict constraints
        from parameters.

2010-04-28  Richard Guenther  <rguenther@suse.de>

        PR c++/43880
        * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.

2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
            Jan Hubicka  <hubicka@ucw.cz>

        * doc/invoke.texi (-Wsuggest-attribute=const,
        -Wsuggest-attribute=pure): Document.
        * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
        (function_always_visible_to_compiler_p,
        suggest_attribute, warn_function_pure, warn_function_const):
        New functions.
        (check_call): Improve debug info.
        (analyze_function): Do not check availability.
        (add_new_function): Check availability.
        (propagate): Output warnings.
        (skip_function_for_local_pure_const): New function.
        (local_pure_const): Use it; output warnings.
        * common.opt (Wsuggest-attribute=const,
        Wsuggest-attribute=pure): New.

2010-04-27  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
        force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
        or DW_CFA_def_cfa_offset{,_sf}.

2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.h: Fix truncated long macros.

2010-04-27  Kai Tietz  <kai.tietz@onevision.com>

        * collect2.c (TARGET_64BIT): Redefine to target's default.
        * tlink.c: Likewise.
        * config/i386/cygming.h (USER_LABEL_PREFIX): Define
        dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
        * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
        for underscoring __USER_LABEL_PREFIX__.
        * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
        (SUB_LINK_ENTRY32): New.
        (SUB_LINK_ENTRY64): New.
        (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
        * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
        (SUB_LINK_ENTRY64): New.
        (SUB_LINK_ENTRY): New.
        (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
        (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
        x64 target is choosen.
        * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
        * configure: Regenerated.
        * configure.ac (leading-mingw64-underscores): Option added.

2010-04-27  Jan Hubicka  <jh@suse.cz>

        * doc/invoke.texi (-fipa-profile): Document.
        * opts.c (decode_options): Enable ipa-profile at -O1.
        * timevar.def (TV_IPA_PROFILE): Define.
        * common.opt (fipa-profile): Add.
        * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
        flag for clones.
        (cgraph_propagate_frequency): Handle only local ones.
        * tree-pass.h (pass_ipa_profile): Declare.
        * ipa-profile.c (gate_profile): Use flag_ipa_profile.
        (pass_ipa_profile): Use TV_IPA_PROFILE.
        * ipa.c (ipa_profile): New function.
        (gate_ipa_profile): Likewise.
        (pass_ipa_profile): New global variable.
        * passes.c (pass_ipa_profile): New.

2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>

        * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.

2010-04-27  Martin Jambor  <mjambor@suse.cz>

        PR middle-end/43812
        * ipa.c (dissolve_same_comdat_group_list): New function.
        (function_and_variable_visibility): Call
        dissolve_same_comdat_group_list when comdat group contains external or
        newly local nodes.
        * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
        lists are circular and that they contain only DECL_ONE_ONLY nodes.

2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>

        * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
        (const_hash_1) <VECTOR_CST>: New case.
        (compare_constant) <VECTOR_CST>: Likewise.
        <ADDR_EXPR>: Deal with LABEL_REFs.
        (copy_constant) <VECTOR_CST>: New case.

2010-04-27  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_propagate_frequency): New function.
        * cgraph.h (cgraph_propagate_frequency): Declare.
        * ipa-inline.c (cgraph_clone_inlined_nodes): Call
        cgraph_propagate_frequency.

2010-04-27  Jakub Jelinek  <jakub@redhat.com>

        * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.

2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>

        PR target/40657
        * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
        (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
        here to determine which regs to push and how much stack to reserve.

2010-04-27  Jie Zhang  <jie@codesourcery.com>

        * doc/gimple.texi (gimple_statement_with_ops): Remove
        addresses_taken field.
        (gimple_statement_with_memory_ops): Likewise.

2010-04-27  Jan Hubicka  <jh@suse.cz>

        * tree-inline.c (eni_inlining_weights): Remove.
        (estimate_num_insns): Special case more builtins.

2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>

        PR c/32207
        * c-typeck.c (build_binary_op): Move forward check for comparison
        pointer with null pointer constant and adjust the diagnostic message.

2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR lto/42776
        * configure.ac (gcc_cv_as_section_has_align): Set if installed
        binutils supports extended .section directive needed by LTO, or
        warn if older binutils found.
        (LTO_BINARY_READER): New AC_SUBST'd variable.
        (LTO_USE_LIBELF): Likewise.
        * config.gcc (lto_binary_reader): New target-specific configure
        variable.
        * Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
        (LTO_USE_LIBELF): Likewise.
        * configure: Regenerate.

        * collect2.c (is_elf): Rename from this ...
        (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
         object files in addition to ELF-formatted ones.
        (scan_prog_file): Caller updated.  Also allow for LTO info marker
        symbol to be prefixed or not by an extra underscore.

        * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
        * config/i386/winnt.c: Also #include lto-streamer.h
        (i386_pe_asm_named_section): Specify 1-byte section alignment for
        LTO named sections.
        (i386_pe_asm_output_aligned_decl_common): Add comment.
        (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.

2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>

        PR target/43889
        * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
        Add missing earlyclobber for second alternative.

2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>

        * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
        bits for artificial defs at the top of the block.
        * fwprop.c (single_def_use_enter_block): Don't call it.

2010-04-26  Jack Howarth  <howarth@bromo.med.uc.edu>

        PR 43715
        * configure.ac: Use "$gcc_cv_nm -g" on darwin
        instead of "$gcc_cv_objdump -T".
        Use "-undefined dynamic_lookup" on darwin.
        * configure: Regenerate.

2010-04-26  Jakub Jelinek  <jakub@redhat.com>

        PR c/43893
        * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.

2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>

        * c-parser.c (struct c_token): Move location field up.
        * c-tree.h (struct c_typespec): Move expr_const_operands field up.
        (struct c_declspecs): Convert typespec_word, storage_class, and
        default_int_p into bitfields.
        (struct c_declarator): Move loc field up.

2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>

        * cfgloop.h (struct loop): Move can_be_parallel field up.
        * ipa-prop.h (struct ip_node_params): Move bitfields up.
        * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
        down.
        (struct iv_cand): Convert pos field into a bitfield.
        * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
        field up.
        (struct _stmt_vec_info): Shuffle fields for better packing.

2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>

        * varasm.c (IN_NAMED_SECTION): Remove guard.
        * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
        (IN_NAMED_SECTION_P): ...this.
        (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
        (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.

2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>

        * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
        Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
        of shadowing it.  Fix comments.

2010-04-26  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_create_node): Set node frequency to normal.
        (cgraph_clone_node): Copy function frequency.
        * cgraph.h (node_frequency): New enum
        (struct cgraph_node): Add.
        * final.c (rest_of_clean_state): Update.
        * lto-cgraph.c (lto_output_node): Output node frequency.
        (input_overwrite_node): Input node frequency.
        * tre-ssa-loop-ivopts (computation_cost): Update.
        * lto-streamer-out.c (output_function): Do not output function
        frequency.
        * predict.c (maybe_hot_frequency_p): Update and handle functions
        executed once.
        (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
        attribute lookup.
        (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
        (compute_function_frequency): Set noreturn functions to be executed
        once.
        (choose_function_section): Update.
        * lto-streamer-in.c (input_function): Do not input function frequency.
        * function.c (allocate_struct_function): Do not initialize function
        frequency.
        * function.h (function_frequency): Remove.
        (struct function): Remove function frequency.
        * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
        (try_update): Update.
        * tree-inline.c (initialize_cfun): Do not update function frequency.
        * passes.c (pass_init_dump_file): Update.
        * i386.c (ix86_compute_frame_layout): Update.
        (ix86_pad_returns): Update.

2010-04-26  Jie Zhang  <jie@codesourcery.com>

        PR tree-optimization/43833
        * tree-vrp.c (range_int_cst_p): New.
        (range_int_cst_singleton_p): New.
        (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
        when both operands are constants.  Use range_int_cst_p in
        BIT_IOR_EXPR case.

2010-04-26  Jan Hubicka  <jh@suse.cz>

        * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.

2010-04-26  Richard Guenther  <rguenther@suse.de>

        PR lto/43080
        * gimple.c (gimple_decl_printable_name): Deal gracefully
        with a NULL DECL_NAME.

2010-04-26  Richard Guenther  <rguenther@suse.de>

        PR lto/42425
        * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
        if emitting debug information and it is either a function
        or a namespace decl.

2010-04-26  Ira Rosen  <irar@il.ibm.com>

        * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
        determine if the statement is vectorizable, and a macro to access it.
        * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
        Skip statements that can't be vectorized. If the analysis fails,
        mark the statement as unvectorizable if vectorizing basic block.
        (vect_compute_data_refs_alignment): Likewise.
        (vect_verify_datarefs_alignment): Skip statements marked as
        unvectorizable. Add print.
        (vect_analyze_group_access): Skip statements that can't be
        vectorized. If the analysis fails, mark the statement as
        unvectorizable if vectorizing basic block.
        (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
        * tree-vect-stmts.c (vectorizable_store): Fix the number of
        generated stmts for SLP.
        (new_stmt_vec_info): Initialize the new field.
        * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
        statements marked as unvectorizable.

2010-04-25  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (flag_isoc1x): New.
        (flag_isoc99): Update comment.
        * c-common.h (flag_isoc1x): New.
        (flag_isoc99): Update comment.
        * c-cppbuiltin.c (builtin_define_float_constants): Also define
        __<type>_DECIMAL_DIG__.
        * c-opts.c (set_std_c1x): New.
        (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
        (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
        * c.opt (-std=c1x, -std=gnu1x): New options.
        * doc/cpp.texi: Mention -std=c1x.
        * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
        * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
        * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
        * doc/standards.texi: Mention C1X.
        * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
        LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
        LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
        Define for C1X.

2010-04-25  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/gmon-sol2.c (_mcleanup): Change format string
        placeholder from 0x%x to %#x.
        * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
        * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
        * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
        * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
        * config/i386/i386.c (ix86_target_string): Ditto.
        (output_pic_addr_const): Ditto.
        (print_operand): Ditto.

2010-04-25  Paolo Bonzini  <bonzini@gnu.org>

        * combine.c (find_split_point): Add third argument.  Use it
        to find nested multiply-accumulate instructions.  Adjust calls.
        (try_combine): Adjust call to find_split_point.

2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/contrib.texi (Contributors): Add Dodji Seketeli.

2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>

        PR tree-optimization/41442
        * fold-const.c (merge_truthop_with_opposite_arm): New function.
        (fold_binary_loc): Call it.

2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * toplev.c (general_init): Set default for fdiagnostics-show-option.
        * opts.c (common_handle_option): Allow disabling it.
        * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.

2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>

        * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
        between modes if both types are integral.

2010-04-23  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43572
        * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.

2010-04-23  Richard Guenther  <rguenther@suse.de>

        PR lto/43455
        * tree-inline.c (tree_can_inline_p): Also check compatibility
        of return types.

2010-04-23  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/43846
        * tree-sra.c (struct access): New flag grp_assignment_read.
        (build_accesses_from_assign): Set grp_assignment_read.
        (sort_and_splice_var_accesses): Propagate grp_assignment_read.
        (enum mark_read_status): New type.
        (analyze_access_subtree): Propagate grp_assignment_read, create
        accesses also if both direct_read and root->grp_assignment_read.

2010-04-23  Martin Jambor  <mjambor@suse.cz>

        PR middle-end/43835
        * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
        function does not have type attributes.

2010-04-23  Richard Guenther  <rguenther@suse.de>

        PR lto/42653
        * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
        of FUNCTION_DECLs.

2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

        * sese.h (create_if_region_on_edge): Remove.

        * sese.c (create_if_region_on_edge): Make static.

        * tree-inline.c: Do not include ggc.h.

        * expr.c: Do not include ggc.h.

        * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
        dependencies.

2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/43744
        * config/sh/sh.c (find_barrier): Don't emit a constant pool
        in the middle of insns for casesi_worker_2.

2010-04-22  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.

2010-04-22  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/43842
        * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
        loop unrolling in update of exit phis. Fix comment.
        * tree-vect-slp.c (vect_analyze_slp): Check that there are at
        least two reduction statements in the loop before starting SLP
        analysis.

2010-04-22  Nick Clifton  <nickc@redhat.com>

        * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.

2010-04-22  Alexander Monakov  <amonakov@ispras.ru>

        * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
        to simplify a + ~a.

2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

        * tree-parloops.c (loop_parallel_p): New argument
        parloop_obstack.  Pass it down.
        (parallelize_loops): New variable parloop_obstack.  Initialize it,
        pass it down, free it.

        * tree-loop-linear.c (linear_transform_loops): Pass down
        lambda_obstack.

        * tree-data-ref.h (lambda_compute_access_matrices): New argument
        of type struct obstack *.

        * tree-data-ref.c (analyze_subscript_affine_affine): New variable
        scratch_obstack.  Initialize it, pass down, free it.

        * lambda.h (lambda_loop_new): Remove.
        (lambda_matrix_new, lambda_matrix_inverse)
        (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
        argument of type struct obstack *.

        * lambda-trans.c (lambda_trans_matrix_new): New argument
        lambda_obstack.  Pass it down, use obstack allocation for ret.
        (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
        it down.

        * lambda-mat.c (lambda_matrix_get_column)
        (lambda_matrix_project_to_null): Remove.
        (lambda_matrix_new): New argument lambda_obstack.  Use obstack
        allocation for mat.
        (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
        lambda_obstack.

        * lambda-code.c (lambda_loop_new): New function.
        (lambda_lattice_new, compute_nest_using_fourier_motzkin)
        (lambda_compute_auxillary_space, lambda_compute_target_space)
        (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
        (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
        (build_access_matrix): New argument lambda_obstack.  Use obstack
        allocation for am.
        (lambda_compute_step_signs, lambda_compute_access_matrices): New
        argument lambda_obstack.  Pass it down.

2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>

        * optabs.h (expand_widening_mult): Declare.

2010-04-22  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43845
        * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
        lookup the CALL_EXPR function and arguments.

2010-04-22  Nick Clifton  <nickc@redhat.com>

        * config/stormy16/stormy16.c
        (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
        * config/stormy16/stormy16.h: Tidy up formatting.
        (DONT_USE_BUILTIN_SETJMP): Remove definition.
        * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
        (ineqbranchsi): Delete pattern.
        * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
        * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
        * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
        stormy16-lib2-ucmpsi2.c.

2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>

        * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
        df_simulate_find_noclobber_defs as appropriate.  Keep track of an
        extra set merge_set_noclobber, and use it to relax the final test
        slightly.
        * df.h (df_simulate_find_noclobber_defs): Declare.
        * df-problems.c (df_simulate_find_defs): Don't ignore partial or
        conditional defs.
        (df_simulate_find_noclobber_defs): New function.

2010-04-22  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md: Use {} around multi-line preparation statements.

2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

        * c-tree.h (push_init_level, pop_init_level, set_init_index)
        (process_init_element): New argument of type struct obstack *.

        * c-typeck.c (push_init_level, pop_init_level, set_designator)
        (set_init_index, set_init_label, set_nonincremental_init)
        (set_nonincremental_init_from_string, find_init_member)
        (output_init_element, output_pending_init_elements)
        (process_init_element): New argument braced_init_obstack.  Pass it
        down.
        (push_range_stack, add_pending_init): New argument
        braced_init_obstack.  Use obstack allocation.

        * c-parser.c (c_parser_initelt, c_parser_initval): New argument
        braced_init_obstack.  Pass it down.
        (c_parser_braced_init): New variables ret, braced_init_obstack.
        Initialize obstack, pass it down and finally free it.

2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>

        PR middle-end/29274
        * tree-pass.h (pass_optimize_widening_mul): Declare.
        * tree-ssa-math-opts.c (execute_optimize_widening_mul,
        gate_optimize_widening_mul): New static functions.
        (pass_optimize_widening_mul): New.
        * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
        <case MULT_EXPR>: Remove support for widening multiplies.
        * tree.def (WIDEN_MULT_EXPR): Tweak comment.
        * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
        simplify_gen_unary rather than directly building extensions.
        * tree-cfg.c (verify_gimple_assign_binary): Add tests for
        WIDEN_MULT_EXPR.
        * expmed.c (expand_widening_mult): New function.
        * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.

2010-04-21  Jan Hubicka  <jh@suse.cz>

        * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
        * lto-section-in.c (lto_section_name): Remove wpa_fixup.
        * lto-wpa-fixup.c: Remove.
        * Makefile.in (lto-wpa-fixup.o): Remove.
        * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
        (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
        * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.

2010-04-21  Jan Hubicka  <jh@suse.cz>

        * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
        add write_optimization_summary, read_optimization_summary.
        (ipa_write_summaries_of_cgraph_node_set): Remove.
        (ipa_write_optimization_summaries): Declare.
        (ipa_read_optimization_summaries): Declare.
        * ipa-cp.c (pass_ipa_cp): Update.
        * ipa-reference.c (pass_ipa_reference): Update.
        * ipa-pure-const.c (pass_ipa_pure_const): Update.
        * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
        Update.
        * ipa-inline.c (pass_ipa_inline): Update.
        * ipa.c (pass_ipa_whole_program): Update.
        * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
        * passes.c (ipa_write_summaries_1): Do not test wpa.
        (ipa_write_optimization_summaries_1): New.
        (ipa_write_optimization_summaries): New.
        (ipa_read_summaries): Do not test ltrans.
        (ipa_read_optimization_summaries_1): New.
        (ipa_read_optimization_summaries): New.

2010-04-21  Jan Hubicka  <jh@suse.cz>

        * lto-cgraph.c (lto_output_node): Do not output comdat groups
        for boundary nodes.
        (output_cgraph): Do not arrange comdat groups for boundary nodes.

2010-04-21  Jakub Jelinek  <jakub@redhat.com>

        PR debug/40040
        * dwarf2out.c (add_name_and_src_coords_attributes): Add
        DW_AT_{,MIPS_}linkage_name even for Fortran decls.

2010-04-21  Jan Hubicka  <jh@suse.cz>

        * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.

2010-04-21  Jan Hubicka  <jh@suse.cz>

        * varpool.c (decide_is_variable_needed): Variable is always needed
        during ltrans.

2010-04-21  Jan Hubicka  <jh@suse.cz>

        * opts.c (decode_options): Enable pure-const pass for whopr.

2010-04-21  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (dump_cgraph_node): Dump also assembler name.
        * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
        at WPA dumping.
        (cgraph_decide_inlining): Do not expect callee to be removed in all
        cases.

2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>

        * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.

2010-04-21  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (x86_shrd): Add athlon_decode and
        amdfam10_decode attributes.

2010-04-21  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/43570
        * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
        OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
        (lower_copyprivate_clauses): Use private var in outer
        context instead of original var.  Make sure the types
        are correct for VLAs.

2010-04-21  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
        to non-pointer objects.

2010-04-21  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
        last chain entry if it starts with the still current label.
        (add_location_or_const_value_attribute): Check that
        loc_list->first->next is NULL instead of comparing ->first with ->last.
        (dwarf2out_var_location): Pass last_label resp. last_postcall_label
        to add_var_loc_to_decl.

        * dwarf2out.c (output_call_frame_info): For dw_cie_version
        >= 4 add also address size and segment size fields into CIE header.

        * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
        long as address size is the same as sizeof (void *) and
        segment size is 0.
        * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
        address size or segment size is unexpected, return DW_EH_PE_omit.
        (classify_object_over_fdes): If get_cie_encoding returned
        DW_EH_PE_omit, return -1.
        (init_object): If classify_object_over_fdes returned -1,
        pretend there were no FDEs at all.

2010-04-21  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (bswap<mode>2): Macroize expander from
        bswap{si,di}2 using SWI48 mode iterator.
        (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
        SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
        set modrm attribute of bswap insn to 0 and remove length attribute.
        (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
        iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
        set mode attribute to <MODE> and remove length attribute.

2010-04-20  James E. Wilson  <wilson@codesourcery.com>

        PR rtl-optimization/43520
        * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
        zero available registers.

2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (fold_builtin_cproj): Fold more cases.

2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
        (fold_builtin_1): Fold builtin cproj.
        * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
        Use ATTR_CONST_NOTHROW_LIST.

2010-04-20  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
        and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
        ffsi2_no_cmove for !TARGET_CMOVE.
        (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
        (ffssi2): Remove expander.
        (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
        mode iterator.
        (ctz<mode>2): Ditto from ctz{si,di}2.
        (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
        mode iterator.
        (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
        mode iterator.

2010-04-20  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (AT_linkage_name): Define.
        (clone_as_declaration): Handle DW_AT_linkage_name.
        (add_name_and_src_coords_attributes): Use AT_linkage_name instead
        of DW_AT_MIPS_linkage_name.
        (move_linkage_attr): Likewise.
        (dwarf2out_finish): Likewise.

2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>

        PR middle-end/41952
        * fold-const.c (fold_comparison): New folding rule.

2010-04-20  Anatoly Sokolov  <aesok@post.ru>

        * double-int.h (double_int_setbit): Declare.
        * double-int.c (double_int_setbit): New function.
        * rtl.h (immed_double_int_const): Declare.
        * emit-rtl.c (immed_double_int_const): New function.
        * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
        and immed_double_int_const functions.
        * optabs.c (expand_absneg_bit, expand_copysign_absneg,
        expand_copysign_bit): (Ditto.).
        * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
        * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
        * dojump.c (prefer_and_bit_test): (Ditto.).
        * expr.c (convert_modes, reduce_to_bit_field_precision,
        const_vector_from_tree): (Ditto.).
        * expmed.c (mask_rtx, lshift_value): (Ditto.).

2010-04-20  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
        (dump_cgraph_node): Dump new flags.
        * cgraph.h (struct cgraph_node): Add flags
        reachable_from_other_partition and in_other_partition.
        (cgraph_can_remove_if_no_direct_calls_p): Functions used by
        other partition can not be removed.
        * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
        the other partition must be output; silence sanity checking on
        leaking functions bodies from other paritition.
        * lto-cgraph.c (reachable_from_other_partition_p): New function.
        (lto_output_node): Output new flags; do not sanity check that inline
        clones are output; drop lto_forced_extern_inline_p code; do not mock
        visibility flags at partition boundaries.
        (add_node_to): New function.
        (output_cgraph): Use it to sort functions so masters appear before
        clones.
        (input_overwrite_node): Input new flags.
        * passes.c (ipa_write_summaries): Do not call
        lto_new_extern_inline_states.
        * lto-section-out.c (forced_extern_inline,
        lto_new_extern_inline_states lto_delete_extern_inline_states,
        lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
        * lto-streamer.h (lto_new_extern_inline_states,
        * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
        lto_forced_extern_inline_p): Kill.

2010-04-20  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (do_sd_constraint): Add edges only
        from vars that can have pointers.
        (process_constraint): Dump useless constraints.

2010-04-20  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
        (dump_sa_points_to_info): Remove asserts.
        (init_base_vars): nothing_id isn't an escape point nor does it
        have pointers.

2010-04-20  Jakub Jelinek  <jakub@redhat.com>

        * tree.h (TYPE_REF_IS_RVALUE): Define.
        * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
        should_move_die_to_comdat, prune_unused_types_walk): Handle
        DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
        (modified_type_die, gen_reference_type_die): Emit
        DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
        if TYPE_REF_IS_RVALUE and -gdwarf-4.

2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        PR target/43635
        * config/s390/s390.c (s390_emit_call): Turn direct into indirect
        calls for -fpic -m31 if they have been sibcall optimized.

2010-04-19  James E. Wilson  <wilson@codesourcery.com>

        * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
        ar.lc fixed and call-used.

        * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.

2010-04-19  Jan Hubicka  <jh@suse.cz>

        * opts.c (decode_options): Disable whpr incompatible passes.
        * lto/lto.c (lto_1_to_1_map): Skip clones.
        (read_cgraph_and_symbols): Do not mark everything as needed.
        (do_whole_program_analysis): Do map only after optimizing;
        set proper cgraph_state; use passmanager.

2010-04-19  DJ Delorie  <dj@redhat.com>

        * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
        POINTER_PLUS_EXPR and fix them.

2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>

        * config/avr/avr-devices.c (avr_mcu_types): Add support for new
        devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
        attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
        atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
        atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
        atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
        atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
        atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
        m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
        atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
        * config/avr/t-avr.c (MULTILIB_MATCHES): Same.

2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>

        * ifcvt.c (noce_try_cmove_arith): Fix long lines.
        (check_cond_move_block): Likewise.
        (cond_move_process_if_block): Likewise.
        (noce_find_if_block): Improve formatting.
        (find_if_header): Pass 0 to memset and tweak conditions.
        (cond_exec_find_if_block): Fix long lines and tweak conditions.

2010-04-19  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
        for -gdwarf-4.

        PR middle-end/43337
        * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
        with non-local decl doesn't need chain.

2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-color.c (allocno_reload_assign): Avoid accumulating
        reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.

2010-04-19  Martin Jambor  <mjambor@suse.cz>

        * gimple.h (create_tmp_reg): Declare.
        * gimplify.c (create_tmp_reg): New function.
        (gimplify_return_expr): Use create_tmp_reg.
        (gimplify_omp_atomic): Likewise.
        (gimple_regimplify_operands): Likewise.
        * tree-dfa.c (make_rename_temp): Likewise.
        * tree-predcom.c (predcom_tmp_var): Likewise.
        (reassociate_to_the_same_stmt): Likewise.
        * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
        (get_replaced_param_substitute): Likewise.
        * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
        * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
        * tree-ssa-pre.c (get_representative_for): Likewise.
        (create_expression_by_pieces): Likewise.
        * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
        (create_tailcall_accumulator): Likewise.

2010-04-19  Martin Jambor  <mjambor@suse.cz>

        * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
        new_stmt.
        (cgraph_materialize_all_clones): Assert !need_ssa_update_p.

2010-04-19  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43796
        * tree-vrp.c (adjust_range_with_scev): Lookup init and step
        from SCEV in the lattice.
        (vrp_visit_phi_node): Dump change.

2010-04-19  Richard Guenther  <rguenther@suse.de>

        * configure.ac: Fix quoting around elf_getshstrndx ABI check.
        * configure: Re-generated.

2010-04-19  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43783
        * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
        constant ARRAY_REF operands two and three if possible.

2010-04-19  Uros Bizjak  <ubizjak@gmail.com>

        PR target/43766
        * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.

2010-04-19  Jie Zhang  <jie@codesourcery.com>

        PR target/43662
        * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.

2010-04-19  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/37027
        * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
        and macro to access it.
        (vectorizable_reduction): Add argument.
        (vect_get_slp_defs): Likewise.
        * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
        statements for possible use in SLP.
        (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
        (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
        (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
        add new argument.
        (vectorizable_reduction): Likewise.
        * tree-vect-stmts.c (vect_get_vec_defs): Update call to
        vect_get_slp_defs.
        (vectorizable_type_demotion, vectorizable_type_promotion,
        vectorizable_store): Likewise.
        (vect_analyze_stmt): Update call to vectorizable_reduction.
        (vect_transform_stmt): Likewise.
        * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
        (vect_build_slp_tree): Fix indentation. Check that there are no loads
        from different interleaving chains in same node.
        (vect_slp_rearrange_stmts): New function.
        (vect_supported_load_permutation_p): Allow load permutations for
        reductions. Call vect_slp_rearrange_stmts() to rearrange statements
        inside SLP nodes if necessary.
        (vect_analyze_slp_instance): Handle reductions.
        (vect_analyze_slp): Try to build SLP instances originating from groups
        of reductions.
        (vect_detect_hybrid_slp_stmts): Skip reduction statements.
        (vect_get_constant_vectors): Create initial vectors for reductions
        according to reduction code. Add new argument.
        (vect_get_slp_defs): Add new argument, pass it to
        vect_get_constant_vectors.
        (vect_schedule_slp_instance): Remove SLP tree root statements.

2010-04-19  Jakub Jelinek  <jakub@redhat.com>

        * tree.h (ENUM_IS_SCOPED): Define.
        * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
        for ENUM_IS_SCOPED enums.

2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>

        * fold-const.c (fold_comparison): Use ssizetype.
        * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
        * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
        * tree-loop-distribution.c (build_size_arg_loc): Likewise.
        * tree-object-size.c (compute_object_sizes): Use size_type_node.

        * tree.h (initialize_sizetypes): Remove parameter.
        (build_common_tree_nodes): Remove second parameter.
        * stor-layout.c (initialize_sizetypes): Remove parameter.
        Always create an unsigned type.
        (set_sizetype): Assert that the passed type is unsigned and simplify.
        * tree.c (build_common_tree_nodes): Remove second parameter.
        Adjust call to initialize_sizetypes.
        * c-decl.c (c_init_decl_processing): Remove second argument in call to
        build_common_tree_nodes.

2010-04-18  Matthias Klose  <doko@ubuntu.com>

        * gcc.c (main): Search for liblto_plugin.so with mode R_OK.

2010-04-18  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/43771
        * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
        load permutation doesn't have gaps.

2010-04-18  Jan Hubicka  <jh@suse.cz>

        * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
        (sse_prologue_save_insn expander): Use new pattern.
        (sse_prologue_save_insn1): New pattern and splitter.
        (sse_prologue_save_insn): Update to deal also with 64bit aligned
        blocks.
        * i386.c (setup_incoming_varargs_64): Do not compute jump
        destination here.
        (ix86_gimplify_va_arg): Update alignment needed.
        (ix86_local_alignment): Do not align all local arrays to 128bit.

2010-04-17  Jan Hubicka  <jh@suse.cz>

        * ipa-inline.c (cgraph_early_inlining): Handle flattening too.

2010-04-17  Richard Earnshaw  <rearnsha@arm.com>

        * arm.md (negdi2): Remove redundant code to force values into a
        register.

2010-04-17  Richard Earnshaw  <rearnsha@arm.com>

        * arm/bpabi.S: Add EABI alignment attributes to objects.
        * arm/bpabi-v6m.S: Likewise.
        * arm/crti.asm: Likewise.
        * arm/crtn.asm: Likewise.
        * arm/lib1funcs.asm: Likewise.
        * arm/libunwind.S: Likewise.

2010-04-17  Richard Earnshaw  <rearnsha@arm.com>

        * arm-protos.h (tune_params): New structure.
        * arm.c (current_tune): New variable.
        (arm_constant_limit): Delete.
        (struct processors): Add pointer to the tune parameters.
        (arm_slowmul_tune): New tuning option.
        (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
        (all_cores): Adjust to pick up the tuning model.
        (arm_constant_limit): New function.
        (arm_override_options): Select the appropriate tuning model.  Delete
        initialization of arm_const_limit.
        (arm_split_constant): Use the new constant-limit model.
        (arm_rtx_costs): Pick up the current tuning model.
        * arm.md (is_strongarm, is_xscale): Delete.
        * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
        for Xscale variant architectures.
        (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.

2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm.c (arm_gen_constant): Remove unused variable
        can_shift.
        (arm_rtx_costs_1): Remove unused variable extra_cost.
        (arm_unwind_emit_set): Use variable offset.
        (thumb1_output_casesi): Remove unused variable flags.

2010-04-16  Jeff Law  <law@redhat.com>

        * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
        needing assignment rather than doing a two-phase assignment.  Remove
        unused variable 'm'.

2010-04-16  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/43767
        * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.

2010-04-16  Doug Kwan  <dougkwan@google.com>

        * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
        (next_operand_entry_id): New static variable.
        (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
        (add_to_ops_vec): Assigned unique ID to operand entry.
        (struct oecount_s): New field ID.
        (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
        (undistribute_ops_list): Assign unique IDs to oecounts.
        (init_reassoc): reset next_operand_entry_id.

2010-04-16  Doug Kwan  <dougkwan@google.com>

        * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
        missing left parenthesis.

2010-04-16  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
        *btdi_rex64 using SWI48 mode iterator.
        (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
        (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
        *jcc_btdi_mask_rex64.

2010-04-16  Anatoly Sokolov  <aesok@post.ru>

        * double-int.h (tree_to_double_int): Convert to macro.
        * double-int.c (tree_to_double_int): Remove.

2010-04-16  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43762
        * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
        with want_address 2 and in case a single element list might be
        possible, call it again with want_address 0.

2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>

        * config/h8300/h8300.c (print_operand) : Modify case 'V' and
        case 'W' print operands for HI mode.
        * config/h8300/h8300.h (Y0, Y2) : New constraints.
        * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
        (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
        * config/h8300/predicate.md (bit_register_indirect_operand): New.

        * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.

        * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
        cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
        #xx:3 and #xx:4 mode.

        * config/h8300/h8300.md (inverted load with HImode dest): Add
        support for H8300SX.

        * config/h8300/predicate.md (bit_operand): Allow immediate values that
        satisfy 'U' constraint.

2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
        * configure: Regenerate.
        * config.in: Regenerate.
        * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
        works.

2010-04-16  Richard Guenther  <rguenther@suse.de>

        * tree.h (struct tree_decl_minimal): Move pt_uid ...
        (struct tree_decl_common): ... here.
        (DECL_PT_UID): Adjust.
        (SET_DECL_PT_UID): Likewise.
        (DECL_PT_UID_SET_P): Likewise.

2010-04-16  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43572
        * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
        * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
        * tree-flow.h (is_call_clobbered): Remove.
        * tree-flow-inline.h (is_call_clobbered): Likewise.
        * tree-dfa.c (dump_variable): Do not dump call clobber state.
        * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
        (execute_return_slot_opt): Adjust.
        * tree-tailcall.c (suitable_for_tail_opt_p): Remove
        check for call clobbered vars here.
        (find_tail_calls): Move tailcall verification to the
        proper place.

2010-04-16  Diego Novillo  <dnovillo@google.com>

        * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.

2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>

        PR target/40603
        * config/arm/arm.md (cbranchqi4): New pattern.
        * config/arm/predicates.md (const0_operand,
        cbranchqi4_comparison_operator): New predicates.

2010-04-16  Richard Guenther  <rguenther@suse.de>

        * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
        (dump_gimple_stmt): Likewise.

2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>

        * recog.h (struct recog_data): New field is_operator.
        (struct insn_operand_data): New field is_operator.
        * recog.c (extract_insn): Set recog_data.is_operator.
        * genoutput.c (output_operand_data): Emit code to set the
        is_operator field.
        * reload.c (find_reloads): Use it rather than testing for an
        empty constraint string.

        PR target/41514
        * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
        If the previous insn is a cbranchsi4_insn with the same arguments,
        omit the compare instruction.

        * config/arm/arm.md (addsi3_cbranch): If destination is a high
        register, inputs must be low registers and we need a low register
        scratch.  Handle alternative 2 like alternative 3.

2010-04-16  Jakub Jelinek  <jakub@redhat.com>

        * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
        don't call get_addr on both.  If one expression is a VALUE and
        the other a REG, check VALUE's locs if the REG isn't among them.

2010-04-16  Christian Bruel  <christian.bruel@st.com>

        * config/sh/sh.h (sh_frame_pointer_required): New function.
        * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
        (flag_omit_frame_pointer) Set.
        (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
        (rounded_frame_size): Adjust size with outgoing_args_size.
        (sh_set_return_address): Must return from stack pointer.
        * config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
        (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
        (ACCUMULATE_OUTGOING_ARGS): Define.
        * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
        * config/sh/sh.opt (maccumulate-outgoing-args): New option.

2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/43471
        * config/sh/sh.c (sh_legitimize_reload_address): Use
        MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
        Remove a unneeded check for offset_base.

2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>

        * configure: Regenerated.

2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (s390_call_save_register_used): Switch back
        to HARD_REGNO_NREGS.

2010-04-15  Richard Guenther  <rguenther@suse.de>

        * alias.c (alias_set_subset_of): Handle alias-set zero
        child properly.

2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
            Julian Brown  <julian@codesourcery.com>

        * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
        alternatives according to use of high and low regs.
        * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
        * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
        optimizing for size on Thumb-2.

2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>

        * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.

2010-04-15  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (struct variable_info): Add
        is_fn_info flag.
        (new_var_info): Initialize it.
        (dump_constraints): Support printing last added constraints.
        (debug_constraints): Adjust.
        (dump_constraint_graph): Likewise.
        (make_heapvar_for): Check for NULL cfun.
        (get_function_part_constraint): New function.
        (get_fi_for_callee): Likewise.
        (find_func_aliases): Properly implement IPA PTA constraints.
        (process_ipa_clobber): New function.
        (find_func_clobbers): Likewise.
        (insert_into_field_list_sorted): Remove.
        (create_function_info_for): Properly allocate vars for IPA mode.
        Do not use insert_into_field_list_sorted.
        (create_variable_info_for): Properly generate constraints for
        global vars in IPA mode.
        (dump_solution_for_var): Always dump the solution.
        (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
        (find_what_var_points_to): Adjust.
        (pt_solution_set): Change.
        (pt_solution_ior_into): New function.
        (pt_solution_empty_p): Export.
        (pt_solution_includes_global): Adjust.
        (pt_solution_includes_1): Likewise.
        (pt_solutions_intersect_1): Likewise.
        (dump_sa_points_to_info): Check some invariants.
        (solve_constraints): Move constraint dumping ...
        (compute_points_to_sets): ... here.
        (ipa_pta_execute): ... and here.
        (compute_may_aliases): Do not re-compute points-to info
        locally if IPA info is available.
        (ipa_escaped_pt): New global var.
        (ipa_pta_execute): Properly implement IPA PTA.
        * tree-into-ssa.c (dump_decl_set): Support dumping
        decls not in referenced-vars.
        * tree-flow.h (struct gimple_df): Add ipa_pta flag.
        * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
        (dump_points_to_solution): Likewise.
        * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
        * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
        (remap_gimple_stmt): Reset call clobber/use information if necessary.
        (copy_decl_to_var): Copy DECL_PT_UID.
        (copy_result_decl_to_var): Likewise.
        * tree.c (make_node_stat): Initialize DECL_PT_UID.
        (copy_node_stat): Copy it.
        * tree.h (DECL_PT_UID): New macro.
        (SET_DECL_PT_UID): Likewise.
        (DECL_PT_UID_SET_P): Likewise.
        (struct tree_decl_minimal): Add pt_uid member.
        * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
        (pt_solution_empty_p): Declare.
        (pt_solution_set): Adjust.
        (ipa_escaped_pt): Declare.
        * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
        * gimple-pretty-print.c (pp_points_to_solution): New function.
        (dump_gimple_call): Dump call clobber/use information.
        * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
        * tree-pass.h (TDF_ALIAS): New dump option.
        * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
        * doc/invoke.texi (-fipa-pta): Update documentation.

2010-04-15  Richard Guenther  <rguenther@suse.de>

        * Makefile.in (OBJS-common): Add gimple-fold.o.
        (gimple-fold.o): New rule.
        * tree.h (maybe_fold_offset_to_reference,
        maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
        prototypes ...
        * gimple.h: ... here.
        * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
        may_propagate_address_into_dereference): Move prototypes ...
        * gimple.h: ... here.
        * tree-ssa-ccp.c (get_symbol_constant_value,
        may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
        maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
        maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
        maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
        ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
        fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
        gimplify_and_update_call_from_tree): Move ...
        * gimple-fold.c: ... here.  New file.
        (ccp_fold_builtin): Rename to ...
        (gimple_fold_builtin): ... this.
        * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.

2010-04-15  Richard Guenther  <rguenther@suse.de>

        * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
        fit_double_type, force_fit_type_double, add_double_with_sign,
        neg_double, mul_double_with_sign, lshift_double, rshift_double,
        lrotate_double, rrotate_double, div_and_round_double): Move ...
        * double-int.c: ... here.
        * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
        add_double, neg_double, mul_double_with_sign, mul_double,
        lshift_double, rshift_double, lrotate_double, rrotate_double,
        div_and_round_double): Move prototypes ...
        * double-int.h: ... here.

2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>

        PR target/43742
        * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
        matching constraints to ensure inputs match the output.

2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/43742
        * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
        in an input-only operand.

2010-04-15  Anatoly Sokolov  <aesok@post.ru>

        * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
        (double_int_not, double_int_lshift, double_int_rshift): Declare.
        (double_int_negative_p): Convert to static inline function.
        * double-int.c (double_int_lshift, double_int_lshift): New functions.
        (double_int_negative_p): Remove.
        * tree.h (lshift_double, rshift_double):
        * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
        * fold-const.c (fold_convert_const_int_from_real,
        fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
        (lshift_double): Change type of arith argument to bool.
        (rshift_double): Change type of arith argument to bool. Correct
        comment.
        * expmed.c (mask_rtx, lshift_value): (Ditto.).

2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>

        PR target/21803
        * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
        at the start and end of the then/else blocks, and omit them from the
        conversion.
        * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
        argument; all callers changed.  Pass zero to old_insns_match_p instead.
        (flow_find_head_matching_sequence): New function.
        (old_insns_match_p): Check REG_EH_REGION notes for calls.
        * basic-block.h (flow_find_cross_jump,
        flow_find_head_matching_sequence): Declare functions.

2010-04-14  Jason Merrill  <jason@redhat.com>

        PR c++/36625
        * c-common.c (attribute_takes_identifier_p): New fn.
        * c-common.h: Declare it.

2010-04-14  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
        splitter condition.
        (*udivmod<mode>4): Ditto.

2010-04-14  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (maxmin_int): Rename code attribute from
        maxminiprefix and update all users.
        (maxmin_float): Ditto from maxminfprefix.
        (logic): Ditto from logicprefix.
        (absneg_mnemonic): Ditto from absnegprefix.
        * config/i386/mmx.md: Update all users of maxminiprefix,
        maxminfprefix and logicprefix for rename.
        * config/i386/sse.md: Ditto.
        * config/i386/sync.md (sync_<code><mode>): Update for
        logicprefix rename.

2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR 42966
        * diagnostics.c (diagnostic_report_diagnostic): Mark specially
        warnings converted to errors.

2010-04-14  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
        used insn_type variable.
        (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
        to avoid set-but-not-used warning.

2010-04-14  Uros Bizjak  <ubizjak@gmail.com>

        * df-core.c (df_ref_debug): Change format string placeholder
        from 0x%x to %#x.
        * dwarf2asm.c (dw2_asm_output_data_raw,
        dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
        dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
        * dwarf2out.c (output_cfi, output_cfi_directive,
        dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
        output_cfa_loc_raw, output_die, output_ranges, output_file_names):
        Ditto.
        * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
        * print-rtl.c (print_rtx): Ditto.

2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR middle-end/42694
        * builtins.c (expand_builtin_pow_root): New function to expand pow
        calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
        series of sqrt and cbrt calls under -ffast-math.
        (expand_builtin_pow): Call it.

2010-04-14  Michael Matz  <matz@suse.de>

        PR tree-optimization/42963
        * tree-cfg.c (touched_switch_bbs): New static variable.
        (group_case_labels_stmt): New function broken out from ...
        (group_case_labels): ... here, use the above.
        (start_recording_case_labels): Allocate touched_switch_bbs.
        (end_recording_case_labels): Deallocate it, call
        group_case_labels_stmt.
        (gimple_redirect_edge_and_branch): Remember index of affected BB.

2010-04-14  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
        from insn template.

2010-04-14  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.

2010-04-13  Jan Hubicka  <jh@suse.cz>

        * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
        of optimized out static functions.
        (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
        cost computation.  Also sanity check for overflows.
        (update_caller_keys): Update cgraph_edge_badness call; properly
        update fibheap and sanity check that it is up to date.
        (add_new_edges_to_heap): Update cgraph_edge_badness.
        (cgraph_decide_inlining_of_small_function): Likewise;
        add sanity checking that badness in heap is up to date;
        improve dumping of reason; Update badness of calls to the
        offline copy of function currently inlined; dump badness
        of functions not inlined because of unit growth limits.

2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/32628
        * c-common.c (pointer_int_sum): Disregard overflow that occured only
        because of sign-extension change when converting to sizetype here...
        * fold-const.c (fold_convert_const_int_from_int): ...and not here.

        * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
        the folding to constants.  Remove redundant final conversion.
        (fold_binary) <associate>: Do not associate if the re-association of
        constants alone overflows.
        (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
        to the end of the list.
        (multiple_of_p) <COND_EXPR>: New case.

2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * opt-functions.awk (opt_sanitized_name): New.
        (opt_enum): New.
        * optc-gen.awk: Use it
        * opth-gen.awk: Use it.

2010-04-13  Martin Jambor  <mjambor@suse.cz>

        * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
        (sra_modify_assign): Delete stmts loading dead data even if racc has no
        children.  Call replace_uses_with_default_def_ssa_name to handle
        SSA_NAES on lhs.

2010-04-13  Michael Matz  <matz@suse.de>

        PR middle-end/43730
        * builtins.c (expand_builtin_interclass_mathfn): Also create
        a register if the predicate doesn't match.

2010-04-13  Diego Novillo  <dnovillo@google.com>

        * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
        * c-pch.c: Include timevar.h.
        (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
        (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
        * ggc-common.c: Include timevar.h.
        (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
        * timevar.def (TV_PCH_SAVE): Define.
        (TV_PCH_CPP_SAVE): Define.
        (TV_PCH_PTR_REALLOC): Define.
        (TV_PCH_PTR_SORT): Define.
        (TV_PCH_RESTORE): Define.
        (TV_PCH_CPP_RESTORE): Define.

2010-04-13  Michael Matz  <matz@suse.de>

        * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
        into MINUS_EXPRs.
        (can_reassociate_p): New function.
        (break_up_subtract_bb, reassociate_bb): Use it.

2010-04-13  Richard Guenther  <rguenther@suse.de>

        PR bootstrap/43737
        * builtins.c (c_readstr): Fix assert.

2010-04-13  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
        when generating cltd insn.

        (*ashl<mode>3_1): Remove special handling for register operand 2.
        (*ashlsi3_1_zext): Ditto.
        (*ashlhi3_1): Ditto.
        (*ashlhi3_1_lea): Ditto.
        (*ashlqi3_1): Ditto.
        (*ashlqi3_1_lea): Ditto.
        (*<shiftrt_insn><mode>3_1): Ditto.
        (*<shiftrt_insn>si3_1_zext): Ditto.
        (*<shiftrt_insn>qi3_1_slp): Ditto.
        (*<rotate_insn><mode>3_1): Ditto.
        (*<rotate_insn>si3_1_zext): Ditto.
        (*<rotate_insn>qi3_1_slp): Ditto.

2010-04-13  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (callused_id): Remove.
        (call_stmt_vars): New.
        (get_call_vi): Likewise.
        (lookup_call_use_vi): Likewise.
        (lookup_call_clobber_vi): Likewise.
        (get_call_use_vi): Likewise.
        (get_call_clobber_vi): Likewise.
        (make_transitive_closure_constraints): Likewise.
        (handle_const_call): Adjust to do per-call call-used handling.
        (handle_pure_call): Likewise.
        (find_what_var_points_to): Remove general callused handling.
        (init_base_vars): Likewise.
        (init_alias_vars): Initialize call_stmt_vars.
        (compute_points_to_sets): Process call-used and call-clobbered
        vars for call statements.
        (delete_points_to_sets): Free call_stmt_vars.

2010-04-13  Richard Guenther  <rguenther@suse.de>

        * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
        Only add RW dependence for dependence distance zero.
        Adjust maximal vectorization factor according to dependences.
        Move alignment handling ...
        (vect_find_same_alignment_drs): ... here.  New function.
        (vect_analyze_data_ref_dependences): Adjust.
        (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
        (vect_analyze_data_refs): Adjust minimal vectorization factor
        according to data references.
        * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
        dependences before determining the vectorization factor.
        Analyze alignment after determining the vectorization factor.
        * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
        dependences before alignment.
        * tree-vectorizer.h (vect_analyze_data_ref_dependences):
        Adjust prototype.
        (vect_analyze_data_refs): Likewise.
        (MAX_VECTORIZATION_FACTOR): New define.

2010-04-13  Duncan Sands  <baldrick@free.fr>

        * except.h (lang_eh_type_covers): Remove.
        * except.c (lang_eh_type_covers): Likewise.

2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
            Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
        * config/s390/s390.c: Replace UNTIS_PER_WORD with
        UNITS_PER_LONG where it is ABI relevant.
        (s390_return_addr_rtx): Likewise.
        (s390_back_chain_rtx): Likewise.
        (s390_frame_area): Likewise.
        (s390_frame_info): Likewise.
        (s390_initial_elimination_offset): Likewise.
        (save_gprs): Likewise.
        (s390_emit_prologue): Likewise.
        (s390_emit_epilogue): Likewise.
        (s390_function_arg_advance): Likewise.
        (s390_function_arg): Likewise.
        (s390_va_start): Likewise.
        (s390_gimplify_va_arg): Likewise.
        (s390_function_profiler): Likewise.
        (s390_optimize_prologue): Likewise.
        (s390_rtx_costs): Likewise.
        (s390_secondary_reload): Likewise.
        (s390_promote_function_mode): Likewise.
        (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
        (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
        registers available.
        (s390_unwind_word_mode): New function.
        (s390_function_value): Split 64 bit values into register pair if
        used as return value.
        (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
        function call parameters.  Handle parallels.
        (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
        (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
        (DWARF_CIE_DATA_ALIGNMENT): New macro.
        (s390_expand_setmem): Remove unused variable src_addr.
        * longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
        deal with 64 bit registers.
        * config/s390/s390.h: Define __zarch__ predefined macro.
        Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
        (UNITS_PER_LONG): New macro.
        * libjava/include/s390-signal.h: Define extended ucontext
        structure containing the upper halfs of the 64 bit registers.

2010-04-13  Simon Baldwin  <simonb@google.com>

        * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.

2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>

        * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
        rvalue on the RHS if the LHS is of a non-renamable type.
        * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.

2010-04-13  Matthias Klose  <doko@ubuntu.com>

        * gcc.c (cc1_options): Handle -iplugindir before processing
        the cc1 spec. Only add -iplugindir once.
        (cpp_unique_options): Add -iplugindir option if -fplugin* options
        found.
        * common.opt (iplugindir): Remove `Separate' property, initialize.
        * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
        option.
        * Makefile.in (check-%, check-parallel-%): Create plugin dir.
        (distclean): Remove plugin dir.
        * doc/invoke.texi: Document -iplugindir.

2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>

        * doc/plugins.texi (Loading Plugins): Document short
        -fplugin=foo option.
        (Plugin API): Mention default_plugin_dir_name function.

        * gcc.c (find_file_spec_function): Add new declaration.
        (static_spec_func): Use it for "find-file".
        (find_file_spec_function): Add new function.
        (cc1_options): Add -iplugindir option if -fplugin* options found.

        * gcc-plugin.h (default_plugin_dir_name): Added new declaration.

        * plugin.c (add_new_plugin): Updated comment, and handle short
        plugin name.
        (default_plugin_dir_name): Added new function.

        * common.opt (iplugindir): New option to set the plugin directory.

2010-04-12  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (any_rotate): New code iterator.
        (rotate_insn): New code attribute.
        (rotate): Ditto.
        (SWIM124): New mode iterator.
        (<rotate_insn>ti3): New expander.
        (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
        any_rotate code iterator.
        (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
        using any_rotate code iterator and SWIM124 mode iterator.
        (ix86_rotlti3): New insn_and_split pattern.
        (ix86_rotrti3): Ditto.
        (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
        ix86_rotl{di,ti}3 patterns.
        (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
        (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
        and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
        *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
        code iterator and SWI mode iterator.
        (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
        Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
        code iterator.
        (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
        Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
        (bswap rotatert splitter): Add splitter.
        (bswap splitter): Macroize splitter using any_rotate code iterator.
        Add insn predicate to split only for TARGET_USE_XCHGB or when
        optimizing function for size.

2010-04-12  Steve Ellcey  <sje@cup.hp.com>

        * config/pa/pa.c (emit_move_sequence): Remove use of
        deleted variable flag_argument_noalias.

2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config.gcc: Removed *-*-solaris2.7* from list of obsolete
        configurations.
        Add to unsupported targets list.
        * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
        sparc*-sun-solaris2.[567]* from target lists.
        * configure: Regenerate.
        * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
        removal.
        Remove Solaris 7 patch references.
        (Specific, sparc-sun-solaris2.7): Removed.
        (sparc-sun-solaris2*): Update Solaris 7 example.
        (sparc64-*-solaris2*): Likewise.

2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config.build (alpha*-dec-osf4*): Remove.
        * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
        of obsolete configurations.
        (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
        support.
        * config/alpha/t-osf4: Renamed to ...
        * config/alpha/t-osf5: ... this.
        * config/alpha/osf.h: Renamed to ...
        * config/alpha/osf5.h: ... this.
        Merged old osf5.h contents.
        Update comments.
        (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
        (EXTRA_SPECS): Removed.
        * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
        reflect removal of Tru64 UNIX V4.0/V5.0 support.
        Document that.

2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/contrib.texi (Contributors, Rainer Orth): Update.

2010-04-12  Kai Tietz  <kai.tietz@onevision.com>

        PR/43702
        * config/i386/i386.c (x86_this_parameter): Handle aggregate for
        __thiscall convention.

2010-04-12  Steve Ellcey  <sje@cup.hp.com>

        * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
        orig_base.
        * config/pa/pa.md (call, call_value): Remove unused variable call_insn.

2010-04-12  Steve Ellcey  <sje@cup.hp.com>

        * function.c (assign_parms_initialize_all): Add unused attribute
        to fntype.

2010-04-12  Richard Guenther  <rguenther@suse.de>

        * gsstruct.def (GSS_CALL): New.
        * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
        * gimple.h: Include tree-ssa-alias.h.
        (struct gimple_statement_call): New.
        (union gimple_statement_struct_d): Add gimple_call member.
        (gimple_call_reset_alias_info): Declare.
        (gimple_call_use_set): New function.
        (gimple_call_clobber_set): Likewise.
        * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
        * gimple.c (gimple_call_reset_alias_info): New function.
        (gimple_build_call_1): Call it.
        * lto-streamer-in.c (input_gimple_stmt): Likewise.
        * tree-inline.c (remap_gimple_stmt): Likewise.
        (expand_call_inline): Remove callused handling.
        * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
        * tree-dfa.c (dump_variable): Likewise.
        * tree-parloops.c (parallelize_loops): Likewise.
        * tree-ssa.c (init_tree_ssa): Likewise.
        (delete_tree_ssa): Likewise.
        * tree-flow-inline.h (is_call_used): Remove.
        * tree-flow.h (struct gimple_df): Remove callused member.
        * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
        * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
        (ref_maybe_used_by_call_p_1): Simplify.
        (call_may_clobber_ref_p_1): Likewise.
        * tree-ssa-structalias.c (compute_points_to_sets): Set
        the call stmt used and clobbered sets.
        * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
        (find_tail_calls): Verify the tail call.

2010-04-12  Richard Guenther  <rguenther@suse.de>

        * ipa.c (cgraph_postorder): Adjust postorder to guarantee
        single-iteration always-inline inlining.
        * ipa-inline.c (cgraph_mark_inline): Do not return anything.
        (cgraph_decide_inlining): Do not handle always-inline specially.
        (try_inline): Remove always-inline cycle detection special case.
        Do not recurse on always-inlines.
        (cgraph_early_inlining): Do not iterate if not optimizing.
        (cgraph_gate_early_inlining): remove.
        (pass_early_inline): Run unconditionally.
        (gate_cgraph_decide_inlining): New function.
        (pass_ipa_inline): Use it.  Do not run the IPA inliner if
        not inlining or optimizing.
        (cgraph_decide_inlining_of_small_functions): Also consider
        always-inline functions.
        (cgraph_default_inline_p): Return true for nodes which should
        disregard inline limits.
        (estimate_function_body_sizes): Assume zero size and time for
        nodes which are marked as disregarding inline limits.
        (cgraph_decide_recursive_inlining): Do not perform recursive
        inlining on always-inline nodes.

2010-04-12  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/43699
        * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
        for exprs satisfying handled_component_p.

2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>

        * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
        non-constant aggregate elements.

        * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
        is a real initialization.

2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>

        PR c/36774
        * c-decl.c (start_function): Move forward check for nested function.

2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
        * config/sh/sh.c: Include reload.h.
        (sh_legitimize_reload_address): New.
        * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
        sh_legitimize_reload_address.

2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>

        * config/sh/sh.md (*movqi_pop): New insn pattern.
        * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.

2010-04-11  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (any_shiftrt): New code iterator.
        (shiftrt_insn): New code attribute.
        (shiftrt): Ditto.
        (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
        using any_shiftrt code iterator.
        (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
        *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
        (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
        pattern from corresponding peephole2 patterns.
        (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
        using any_shiftrt code iterator.
        (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
        (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
        (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
        (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
        *{ashr,lshr}<mode>3_cmp_zext.
        (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.

2010-04-11  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
        scratch register.
        (*lshr<mode>3_cconly): Ditto.

2010-04-11  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (lshr<mode>3): Macroize expander from
        lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
        (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
        pattern from *lshr{di,ti}3_1 and corresponding splitters using
        DWI mode iterator.
        (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
        from corresponding peephole2 patterns.
        (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
        *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
        and *lshrdi3_1_rex64 using SWI mode iterator.
        (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
        (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
        (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
        *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
        and *lshrdi3_cmp_rex64 using SWI mode iterator.
        (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
        (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
        *lshrdi3_one_bit_cconly_rex64. Macroize insn from
        *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
        SWI mode iterator.

2010-04-10  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (ashr<mode>3): Macroize expander from
        ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
        (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
        pattern from *ashr{di,ti}3_1 and corresponding splitters using
        DWI mode iterator.
        (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
        from corresponding peephole2 patterns.
        (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
        (ashrsi3_cvt): Rename from ashrsi3_31.
        (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
        (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
        and x86_64_shift_adj_3 using SWI48 mode iterator.
        (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
        *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
        and *ashrdi3_1_rex64 using SWI mode iterator.
        (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
        (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
        (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
        *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
        and *ashrdi3_cmp_rex64 using SWI mode iterator.
        (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
        (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
        *ashrdi3_one_bit_cconly_rex64. Macroize insn from
        *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
        SWI mode iterator.
        (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
        * config/i386/i386.c (ix86_split_ashr): Update for renamed
        x86_shift<mode>_adj_3 expanders.

2010-04-10  Wei Guozhi  <carrot@google.com>

        PR target/42601
        * config/arm/arm.c (arm_pic_static_addr): New function.
        (legitimize_pic_address): Call arm_pic_static_addr when it detects
        a static symbol.
        (arm_output_addr_const_extra): Output expression for new pattern.
        * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.

2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>

        * ira-costs.c (record_reg_classes): Ignore alternatives that are
        not enabled.

        * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
        * web.c: Include "insn-config.h" and "recog.h".
        (union_match_dups): New function.
        (web_main): Call it.
        (union_defs): Don't try to recognize match_dups.

        * reload1.c (eliminate_regs_in_insn): Don't restore an operand
        if doing so would replace the entire pattern.

2010-04-09  Uros Bizjak  <ubizjak@gmail.com>

        PR target/43707
        PR target/43709
        * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
        and splitter pattern.  Change splitter operand 1 predicate to
        nonmemory_operand.

2010-04-09  Martin Jambor  <mjambor@suse.cz>

        * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
        lattices are addresses of CONST_DECLs with the same initial value.
        (ipcp_print_all_lattices): Print values of CONST_DECLs.
        * ipa-prop.c (ipa_print_node_jump_functions): Likewise.

2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
            Bernd Schmidt  <bernds@codesourcery.com>

        * loop-invariant.c (replace_uses): New static function.
        (move_invariant_reg): Use it to ensure we can replace the uses.

2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>

        * config/picochip/picochip.c (picochip_rtx_costs): Use correct
        function template.
        (picochip_override_options): Enable section anchors only above -O1.
        (picochip_reorg): Fixed a couple of build warnings.

2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (plugin -rdynamic test): Log result.
        * configure: Regenerate.
        * config/sol2.h (LINK_SPEC): Handle -rdynamic.
        (RDYNAMIC_SPEC): Define.
        * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.

2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac: Determine Sun ld version numbers.
        (comdat_group): Restrict GNU ld version checks to gld.
        (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
        (enable_comdat): Support --enable-comdat.
        * configure: Regenerate.
        * doc/install.texi (Configuration): Document --enable-comdat.

2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
        * config/sol2-gld.h: ... here.
        * config.gcc (sparc*-*-solaris2*): Reflect this.
        (i[34567]86-*-solaris2*): Use it.

2010-04-09  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
        setup_clocks_p.
        (final_emit_insn_group_barriers): Remove unused variable prev_insn.

2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR 42965
        * diagnostic.c (diagnostic_initialize): Initialize
        some_warnings_are_errors.
        (diagnostic_finish): New.
        (diagnostic_action_after_output): Call it before exiting.
        (diagnostic_report_diagnostic): Do not print message here. Set
        some_warnings_are_errors.
        * diagnostic.h (diagnostic_context): Delete
        issue_warnings_are_errors_message. Add some_warnings_are_errors.
        (diagnostic_finish): Declare.
        * toplev.c (toplev_main): Call it before exit.

2010-04-09  Jason Merrill  <jason@redhat.com>

        PR c++/42623
        * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
        for incomplete type.

        PR c++/41788
        * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
        based on a warning flag.

2010-04-09  Richard Guenther  <rguenther@suse.de>

        * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.

2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>

        PR bootstrap/43684
        * varasm.c (default_assemble_visibility): Wrap vars that are
        set, but unused, by targets without GAS.
        * config/rs6000/rs6000.c (paired_emit_vector_compare):
        Remove set, but unused, vars.
        (rs6000_legitimize_tls_address): Likewise.
        (altivec_expand_dst_builtin): Likewise.
        * config/darwin.c (machopic_classify_symbol): Likewise.
        (machopic_indirection_name): Likewise.

2010-04-09  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (DWI): New mode iterator.
        (S): New mode attribute.
        (shift_operand): Ditto.
        (shift_immediate_operand): Ditto.
        (ashl_input_operand): Ditto.
        (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
        using SDWIM mode iterator.
        (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
        pattern from *ashl{di,ti}3_1 and corresponding splitters using
        DWI mode iterator.
        (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
        from corresponding peephole2 patterns.
        (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
        and x86_64_shift_adj_1 using SWI48 mode iterator.
        (x86_shift<mode>_adj_2): Ditto.
        (*ashldi3_1_rex64): Split TYPE_LEA pattern.
        (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
        using SWI48 mode iterator.
        (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
        *ashldi3_cmp_rex64 using SWI mode iterator.
        (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
        *ashldi3_cconly_rex64 using SWI mode iterator.
        * config/i386/i386.c (ix86_split_ashl): Update for renamed
        x86_shift<mode>_adj_{1,2}.
        (ix86_split_ashr): Ditto.
        (ix86_split_lshr): Ditto.

2010-04-09  Richard Guenther  <rguenther@suse.de>

        * target.h (builtin_conversion): Pass in input and output types.
        * targhooks.c (default_builtin_vectorized_conversion): Adjust.
        * targhooks.h (default_builtin_vectorized_conversion): Likewise.
        * tree-vect-stmts.c (vectorizable_conversion): Adjust.
        * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.

        * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
        Handle AVX modes.
        * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.

2010-04-09  Richard Guenther  <rguenther@suse.de>

        PR target/43152
        * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.

2010-04-09  Richard Guenther  <rguenther@suse.de>

        * tree-vectorizer.h (struct _stmt_vec_info): Document
        that vectype is the type of the LHS.
        (supportable_widening_operation, supportable_narrowing_operation):
        Get both input and output vector types as arguments.
        (vect_is_simple_use_1): Declare.
        (get_same_sized_vectype): Likewise.
        * tree-vect-loop.c (vect_determine_vectorization_factor):
        Set STMT_VINFO_VECTYPE to the vector type of the def.
        (vectorizable_reduction): Adjust.
        * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
        Adjust.  Specify the output vector type.
        (vect_pattern_recog_1): Adjust.
        * tree-vect-stmts.c (get_same_sized_vectype): New function.
        (vectorizable_call): Adjust.
        (vectorizable_conversion): Likewise.
        (vectorizable_operation): Likewise.
        (vectorizable_type_demotion): Likewise.
        (vectorizable_type_promotion): Likewise.
        (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
        the def.
        (vect_is_simple_use_1): New function.
        (supportable_widening_operation): Get both input and output
        vector types.
        (supportable_narrowing_operation): Likewise.
        * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.

2010-04-09  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
        __thiscall and _thiscall as predefined macros.
        * config/i386/i386.c (ix86_handle_cconv_attribute): Add
        thiscall attribute handling.
        (ix86_comp_type_attributes): Likewise.
        (ix86_function_regparm): Likewise.
        (ix86_return_pops_args): Likewise.
        (init_cumulative_args): Likewise.
        (find_drap_reg): Likewise.
        (ix86_static_chain): Likewise.
        (x86_this_parameter): Likewise.
        (x86_output_mi_thunk): Likewise.
        (ix86_attribute_table): Add description for thiscall attribute.
        * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
        * doc/extend.texi: Add documentation for thiscall.

2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c++/28584
        * c.opt (Wint-to-pointer-cast): Available in C++.
        * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.

2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
        * calls.c (expand_call): Pass the function type to aggregate_value_p.
        * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
        the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
        function type instead.  Reorder and simplify checks.

        * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.

2010-04-08  Jing Yu  <jingyu@google.com>
            Zdenek Dvorak  <ook@ucw.cz>

        PR tree-optimization/42720
        * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
        loop unswitch conditions here from ...
        (tree_unswitch_single_loop): ... here.

2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c: Fix comments and simplify logic.

2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
        (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
        (main_tree_if_conversion): Update call to tree_if_conversion.

2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR 42485
        * doc/invoke.texi (-b,-V): Delete.
        * doc/tm.texi: Do not mention -b.
        * gcc.c (display_help): Delete -b and -V.
        (process_command): Delete -b and -V.
        * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.

2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
            Wolfgang Gellerich  <gellerich@de.ibm.com>

        Implement target hook for loop unrolling
        * target.h (loop_unroll_adjust): Add a new target hook function.
        * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
        * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
        * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
        (s390_loop_unroll_adjust): Implement the new target hook for s390.
        * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
        target hook.
        (decide_unroll_stupid): Likewise.

2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR target/43643
        * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.

2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
        (Specific, *-*-solaris2*): Likewise.
        Don't prefer Sun as over GNU as.

2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>

        * config/s390/s390.c (override_options): Adjust the z10 defaults
        for max-unroll-times, max-completely-peeled-insns
        and max-completely-peel-times.

2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (s390_expand_movmem): Issue prefetch
        instructions for z10.
        (s390_expand_setmem): Likewise.
        (s390_expand_cmpmem): Likewise.

2010-04-08  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43679
        * tree-ssa-pre.c (eliminate): Only propagate copies.

2010-04-08  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/43681
        * expr.c (block_move_libcall_safe_for_call_parm): Avoid
        set but not used variable warning.

2010-04-08  Wei Guozhi  <carrot@google.com>

        PR target/41653
        * config/arm/arm.c (thumb1_size_rtx_costs): New function.
        (arm_size_rtx_costs): Call the new function when optimized for size.

2010-04-08  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43670
        * cfgexpand.c (expand_debug_expr): If for non-NULL offset
        op0 is not a MEM, just return NULL instead of assertion
        failure.
        (discover_nonconstant_array_refs): Don't walk debug stmts.

2010-04-08  Doug Kwan  <dougkwan@google.com>

        * configure.ac: Recognize gold and do not use its version number
        to test ld features.
        * configure: Regenerate.

2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>

        PR middle-end/40815
        * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
        (negate_value): Move code to push elements to broken_up_substracts ...
        (eliminate_plus_minus_pair): ... here.  Push operands that have no
        negative pair to plus_negates.
        (repropagate_negates, init_reassoc, fini_reassoc): Update.

2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/install.texi (Configuration): Move description of
        --enable-lto, --with-libelf*, --enable-gold from Java section to
        general section.

        * doc/generic.texi (Working with declarations)
        (Function Properties, C and C++ Trees): Fix typos.
        * doc/sourcebuild.texi (Top Level): Likewise.

2010-04-07  Jakub Jelinek  <jakub@redhat.com>

        PR c/18624
        * tree.h (DECL_READ_P): Define.
        (struct tree_decl_common): Add decl_read_flag.
        * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
        a set but not used warning.
        (merge_decls): Merge DECL_READ_P flag.
        (finish_decl, build_compound_literal): Set DECL_READ_P flag.
        (finish_function): Issue -Wunused-but-set-parameter diagnostics.
        * c-common.c (handle_used_attribute, handle_unused_attribute):
        Likewise.
        * c-tree.h (default_function_array_read_conversion, mark_exp_read):
        New prototypes.
        * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
        New functions.
        (default_conversion, c_process_expr_stmt): Call mark_exp_read.
        * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
        c_parser_binary_expression, c_parser_cast_expression,
        c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
        Call default_function_array_read_conversion instead of
        default_function_array_conversion where needed.
        (c_parser_unary_expression, c_parser_conditional_expression,
        c_parser_postfix_expression_after_primary, c_parser_initelt):
        Likewise.  Call mark_exp_read where needed.
        (c_parser_statement_after_labels, c_parser_asm_operands,
        c_parser_typeof_specifier, c_parser_sizeof_expression,
        c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
        where needed.
        * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
        New.
        * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
        (warn_unused_but_set_parameter): Default to warn_unused
        && extra_warnings.
        * doc/invoke.texi: Document -Wunused-but-set-variable and
        -Wunused-but-set-parameter.

        * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
        used count variable.
        * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
        when operandN variables aren't used in the body of the expander
        or splitter.
        * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
        FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
        * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
        * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
        FOR_EACH_IMM_USE_ON_STMT): Likewise.
        * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
        * tree.c (PROCESS_ARG): Likewise.

2010-04-07  Simon Baldwin  <simonb@google.com>

        * diagnostic.h (diagnostic_override_option_index): New macro to
        set a diagnostic's option_index.
        * c-tree.h (c_cpp_error): Add warning reason argument.
        * opts.c (_warning_as_error_callback): New.
        (register_warning_as_error_callback): Store callback for
        warnings enabled via enable_warning_as_error.
        (enable_warning_as_error): Call callback, minor code tidy.
        * opts.h (register_warning_as_error_callback): Declare.
        * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
        response to -Werror=.
        (c_common_init_options): Register warning_as_error_callback in opts.c.
        * common.opt: Add -Wno-cpp option.
        * c-common.c (struct reason_option_codes_t): Map cpp warning
        reason codes to gcc option indexes.
        * (c_option_controlling_cpp_error): New function, lookup the gcc
        option index for a cpp warning reason code.
        * (c_cpp_error): Add warning reason argument, call
        c_option_controlling_cpp_error for diagnostic_override_option_index.
        * doc/invoke.texi: Document -Wno-cpp.

2010-04-07  Richard Guenther  <rguenther@suse.de>

        * ipa-reference.c (mark_load): Use get_base_address.
        (mark_store): Likewise.

        * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
        inserting GIMPLE_NOPs into the IL.
        * tree-ssa-structalias.c (get_constraint_for_component_ref):
        Explicitly strip handled components and indirect references.

        * fold-const.c (fold_unary_loc): Do not strip qualifiers when
        folding address expressions.
        * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
        * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
        operand_equal_p to compare decls.
        (ptr_deref_may_alias_decl_p): Likewise.
        * tree-ssa-operands.c (get_asm_expr_operands): Simplify
        * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
        Handle reversed comparison ops.
        * tree-sra.c (asm_visit_addr): Use get_base_address.
        * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
        * ipa-reference.c (mark_address): Use get_base_address.

2010-04-07  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-forwprop.c (forward_propagate_addr_expr):
        Propagate constants everywhere.

2010-04-07  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43516
        * tree.c (MAX_INT_CACHED_PREC): Define.
        (nonstandard_integer_type_cache): New array.
        (build_nonstandard_integer_type): Cache results for precision
        <= MAX_INT_CACHED_PREC.

2010-04-07  Richard Guenther  <rguenther@suse.de>

        * doc/invoke.texi (-fargument-alias, -fargument-noalias,
        -fargument-noalias-global, -fargument-noalias-anything): Remove.
        * common.opt: Likewise.
        * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
        * alias.c (base_alias_check): Remove flag_argument_noalias handling.
        (nonoverlapping_memrefs_p): Likewise.
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
        * opts.c (common_handle_option): Handle OPT_fargument_alias,
        OPT_fargument_noalias, OPT_fargument_noalias_anything and
        OPT_fargument_noalias_global for backward compatibility.

2010-04-07  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43270
        * tree-vrp.c (check_array_ref): Fix flexible array member detection.
        * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
        * tree-ssa-pre.c (phi_translate_1): Adjust.
        (fully_constant_expression): Split out vn_reference handling to ...
        * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
        Fold reads from constant strings.
        (vn_reference_lookup): Handle fully constant references.
        (vn_reference_lookup_pieces): Likewise.
        * Makefile.in (expmed.o-warn): Add -Wno-error.

2010-04-07  Martin Jambor  <mjambor@suse.cz>

        * tree-sra.c (find_param_candidates): Allow scalar va_list types.

2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>

        PR driver/41594
        * gcc.c: Add -static-libstdc++ to list of recognized options.

2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.

2010-04-07  Richard Guenther  <rguenther@suse.de>

        PR middle-end/42617
        * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
        bases build simple mem attributes to retain points-to information.

2010-04-07  Richard Guenther  <rguenther@suse.de>

        PR middle-end/42617
        * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
        preserve points-to related information.

2010-04-07  Richard Guenther  <rguenther@suse.de>

        PR middle-end/42617
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
        discard plain indirect references.
        * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
        * tree.c (tree_nop_conversion): Likewise.

2010-04-07  Dodji Seketeli  <dodji@redhat.com>

        PR debug/43628
        * dwarf2out.c (modified_type_die): Ignore artificial typedefs.

2010-04-06  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
        calling convention attributes on METHOD_TYPEs for w64 ABI, too.

2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c: Fix indentation and comments.

2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c: Sort static functions in topological order.

2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c: Fix indentation and comments.

2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43519
        * graphite-clast-to-gimple.c (max_signed_precision_type): Use
        lang_hooks.types.type_for_size instead of
        build_nonstandard_integer_type.
        When converting an unsigned type to signed, double its precision.
        (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
        (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
        (graphite_create_new_loop_guard): When ub + 1 wraps around,
        use lb <= ub.

2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43519
        * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
        POINTER_PLUS_EXPR for pointer types.

2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43519
        * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
        * graphite-clast-to-gimple.c: Include langhooks.h.
        (max_signed_precision_type): New.
        (max_precision_type): Takes two types as arguments.
        (precision_for_value): New.
        (precision_for_interval): New.
        (gcc_type_for_interval): New.
        (gcc_type_for_value): New.
        (gcc_type_for_clast_term): New.
        (gcc_type_for_clast_red): New.
        (gcc_type_for_clast_bin): New.
        (gcc_type_for_clast_expr): Split up into several functions.
        (gcc_type_for_clast_eq): Rewritten.
        (compute_bounds_for_level): New.
        (compute_type_for_level_1): New.
        (compute_type_for_level): New.
        (gcc_type_for_cloog_iv): Removed.
        (gcc_type_for_iv_of_clast_loop): Rewritten.
        (graphite_create_new_loop): Compute the lower and upper bound types
        with gcc_type_for_clast_expr.
        (graphite_create_new_loop_guard): Same.
        (find_cloog_iv_in_expr): Removed.
        (compute_cloog_iv_types_1): Removed.
        (compute_cloog_iv_types): Removed.
        (gloog): Do not call compute_cloog_iv_types.
        * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
        GBB_CLOOG_IV_TYPES.
        (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
        * sese.h (struct gimple_bb): Removed field cloog_iv_types.
        (GBB_CLOOG_IV_TYPES): Removed.

2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
        gimple_phi_num_args of the loop close SSA phi node is equal to 1.
        (detect_commutative_reduction): Same.

2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
        call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
        argument.
        * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
        * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
        (rewrite_commutative_reductions_out_of_ssa): Same.
        * passes.c (execute_function_todo): Call verify_ssa for every pass
        in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
        * tree-flow.h (verify_loop_closed_ssa): Update declaration.
        * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
        with an extra argument.
        * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
        verify_ssa only when the extra argument is true.
        (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
        with an extra argument.
        (tree_transform_and_unroll_loop): Same.

2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>

        * passes.c (execute_function_todo): Call verify_loop_closed_ssa
        for all the passes of the LNO having LOOP_CLOSED_SSA.
        * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
        * tree-loop-distribution.c (pass_loop_distribution): Same.
        * tree-pass.h (TODO_verify_loops): Removed.
        * tree-ssa-loop.c (pass_tree_loop_init): Same.
        (pass_lim): Same.
        (pass_tree_unswitch): Same.
        (pass_predcom): Same.
        (pass_vectorize): Same.
        (pass_linear_transform): Same.
        (pass_graphite_transforms): Same.
        (pass_iv_canon): Same.
        (pass_complete_unroll): Same.
        (pass_complete_unrolli): Same.
        (pass_parallelize_loops): Same.
        (pass_loop_prefetch): Same.
        (pass_iv_optimize): Same.

2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>

        PR middle-end/32824
        * passes.c (init_optimization_passes): Move pass_lim before
        pass_copy_prop and pass_dce_loop.

2010-04-06  Jakub Jelinek  <jakub@redhat.com>

        PR target/43667
        * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
        instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
        (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
        MULTI_* defines for 4 argument vpermil2p* builtins.

2010-04-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
        * config/i386/i386.c (x86_maybe_negate_const_int): New.
        (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
        * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
        *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
        *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
        *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
        Use x86_maybe_negate_const_int to output insn mnemonic.
        (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
        check from instruction predicate.  Update comments.
        * config/i386/sync.md (sync_add<mode>): Use
        x86_maybe_negate_const_int to output insn mnemonic.

2010-04-06  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/42906
        * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
        IGNORE_SELF argument.  Set visited_control_parents for fully
        processed BBs.
        (find_obviously_necessary_stmts): Update call of
        mark_control_dependent_edges_necessary.
        (propagate_necessity): Likewise.  Handle PHI edges more curefully.

2010-04-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md: Remove comment about 'e' and 'E'
        operand modifier.

2010-04-06  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43627
        * tree-vrp.c (extract_range_from_unary_expr): Widenings
        of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
        not varying.

2010-04-06  Jakub Jelinek  <jakub@redhat.com>

        * BASE-VER: Change to 4.6.0.

        PR target/43638
        * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
        handling.

2010-04-06  Richard Guenther  <rguenther@suse.de>

        PR middle-end/43661
        * fold-const.c (fold_comparison): Handle X * 0 CMP 0.

2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/invoke.texi (Optimize Options): Document that LTO
        won't remove object access purely due to incompatible
        declarations.

2010-04-04  Matthias Klose  <doko@ubuntu.com>

        * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
        Initialize variable.

2010-04-03  Richard Guenther  <rguenther@suse.de>

        PR middle-end/42509
        * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
        require a non-NULL MEM_OFFSET.

2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>

        * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
        basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
        collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
        config/alpha/predicates.md, config/arm/arm.md,
        config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
        config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
        config/darwin9.h, config/darwin.c, config/darwin.h,
        config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
        config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
        config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
        config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
        config/mips/mips.md, config/mn10300/mn10300.c,
        config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
        config/rs6000/aix.h, config/rs6000/dfp.md,
        config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
        config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
        config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
        config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
        config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
        config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
        c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
        diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
        doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
        doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
        fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
        gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
        graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
        graphite-dependences.c, graphite-poly.c, graphite-poly.h,
        graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
        graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
        intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
        ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
        ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
        loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
        objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
        opt-functions.awk, opth-gen.awk, params.def, passes.c,
        postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
        rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
        store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
        tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
        tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
        tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
        tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
        tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
        tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
        tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
        tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
        tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
        tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
        unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.

2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR other/43620
        * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
        * aclocal.m4: Regenerate.

2010-04-02  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43629
        * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
        if we have seen a constant value.

2010-04-02  Joseph Myers  <joseph@codesourcery.com>

        * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.

2010-04-02  Richard Earnshaw  <rearnsha@arm.com>

        PR target/43469
        * arm.c (legitimize_tls_address): Adjust call to
        gen_tls_load_dot_plus_four.
        (arm_note_pic_base): New function.
        (arm_cannot_copy_insn_p): Use it.
        * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
        constraint.

2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR bootstrap/43531

        Revert:
        2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * Makefile.in ($(out_object_file)): Depend on
        gt-$(basename $(notdir $(out_file))).h.

2010-04-01  Ralf Corsépius  <ralf.corsepius@rtems.org>

        * config.gcc (lm32-*-rtems*): Add t-lm32.

2010-04-01  Joel Sherrill  <joel.sherrill@oarcorp.com>

        * config.gcc: Add lm32-*-rtems*.
        * config/lm32/rtems.h: New file.

2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR target/42609
        * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.

2010-04-01  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (output_compilation_unit_header): For
        -gdwarf-4 use version 4 instead of version 3.
        (output_line_info): For version 4 and above emit additional
        maximum ops per insn header field.
        (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.

        * dwarf2out.c (is_c_family, is_java): Remove.
        (lower_bound_default): New function.
        (add_bound_info, gen_descr_array_type_die): Use it.

2010-04-01  Dodji Seketeli  <dodji@redhat.com>

        PR debug/43325
        * dwarf2out.c (gen_variable_die): Allow debug info for variable
        re-declaration when it happens in a function.

2010-04-01  Aldy Hernandez  <aldyh@redhat.com>

        * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
        (cgraph_remove_function_insertion_hook): Same.
        (cgraph_call_function_insertion_hooks): Same.

2010-04-01  Richard Guenther  <rguenther@suse.de>

        PR middle-end/43614
        * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
        and TREE_THIS_VOLATILE.
        (copy_ref_info): Likewise.
        * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
        * tree.c (build6_stat): Ignore side-effects of all but arg5
        for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
        TARGET_MEM_REF.

2010-04-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43607
        * ipa-type-escape.c (check_call): Do not access non-existing
        arguments.

2010-04-01  Richard Guenther  <rguenther@suse.de>

        PR middle-end/43602
        Revert
        2010-03-30  Seongbae Park  <seongbae.park@gmail.com>
                    Jack Howarth  <howarth@bromo.med.uc.edu>

        * tree-profile.c (tree_init_ic_make_global_vars): Make static
        variables TLS.

2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/install.texi (Prerequisites): Document libelf usability on
        IRIX 5/6 and Solaris 2.
        (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
        Update GNU as, GNU ld requirements.
        (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
        Document Sun Studio compiler download.
        Update and simplify as, ld recommendations.
        (Specific, *-*-solaris2.7): Note obsoletion, removal.

2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
        with_tune_32 to pentium4.

2010-04-01  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.

2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
        obsoletion, removal.
        Update IDO URL.
        Document GNU as requirement.
        Update configure requirements.
        (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
        Recomment IRIX 6.5.18+.
        Document IDF/IDL requirement.
        Document GNU as requirement.
        Document GNU ld bootstrap failure.
        Remove freeware.sgi.com reference.

2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
        UNIX V4.0, V5.0 obsoletion, removal.
        Remove --with-gc=simple reference.
        Update VM requirements during bootstrap.
        Remove -oldas bootstrap description.
        Update binutils reference.
        Remove comparison failure note.

2010-03-31  Richard Guenther  <rguenther@suse.de>
            Zdenek Dvorak  <ook@ucw.cz>
            Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43464
        * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
        with multiple arguments.
        (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.

2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (print_pddr): Call print_pdr with an
        extra argument.
        * graphite-poly.c (debug_pdr): Add an extra argument for the
        verbosity level.
        (print_pdr): Same.
        (print_pbb_domain): Same.
        (print_pbb): Same.
        (print_scop_context): Same.
        (print_scop): Same.
        (print_cloog): Same.
        (debug_pbb_domain): Same.
        (debug_pbb): Same.
        (print_pdrs): Same.
        (debug_pdrs): Same.
        (debug_scop_context): Same.
        (debug_scop): Same.
        (debug_cloog): Same.
        (print_scop_params): Same.
        (debug_scop_params): Same.
        (print_iteration_domain): Same.
        (print_iteration_domains): Same.
        (debug_iteration_domain): Same.
        (debug_iteration_domains): Same.
        (print_scattering_function): Same.
        (print_scattering_functions): Same.
        (debug_scattering_function): Same.
        (debug_scattering_functions): Same.
        * graphite-poly.h (debug_pdr): Update declaration.
        (print_pdr): Same.
        (print_pbb_domain): Same.
        (print_pbb): Same.
        (print_scop_context): Same.
        (print_scop): Same.
        (print_cloog): Same.
        (debug_pbb_domain): Same.
        (debug_pbb): Same.
        (print_pdrs): Same.
        (debug_pdrs): Same.
        (debug_scop_context): Same.
        (debug_scop): Same.
        (debug_cloog): Same.
        (print_scop_params): Same.
        (debug_scop_params): Same.
        (print_iteration_domain): Same.
        (print_iteration_domains): Same.
        (debug_iteration_domain): Same.
        (debug_iteration_domains): Same.
        (print_scattering_function): Same.
        (print_scattering_functions): Same.
        (debug_scattering_function): Same.
        (debug_scattering_functions): Same.

2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (print_scattering_function_1): New.
        (print_scattering_function): Call it.
        (print_scop_params): Remove spaces at the end of lines.
        (print_cloog): New.
        (debug_cloog): New.
        * graphite-poly.h (print_cloog): Declared.
        (debug_cloog): Declared.

2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
        in loop->header.
        * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
        * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
        * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
        to switch between adding the IV bump in loop->latch or in loop->header.

2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (print_scattering_function): Pretty print following
        the scoplib format.
        (print_pdr): Same.
        (print_pbb_domain): Same.
        (dump_gbb_cases): Same.
        (dump_gbb_conditions): Same.
        (print_pdrs): Same.
        (print_pbb): Same.
        (print_scop_params): Same.
        (print_scop_context): Same.
        (print_scop): Same.
        (print_pbb_body): New.
        (lst_indent_to): New.
        (print_lst): Start new lines with a #.
        * graphite-poly.h (pbb_bb): New.
        (pbb_index): Use pbb_bb.
        * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
        disjuncts.
        * tree-data-ref.c (dump_data_reference): Start new lines with a #.

2010-03-31  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (size_of_die): For -gdwarf-4 use
        uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
        and 0 instead of 1 for dw_val_class_flag.
        (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
        dw_val_class_range_list, dw_val_class_loc_list,
        dw_val_class_lineptr and dw_val_class_macptr, use
        DW_FORM_flag_present for dw_val_class_flag and
        DW_FORM_exprloc for dw_val_class_loc.
        (output_die): For -gdwarf-4 print dw_val_class_loc
        size as uleb128 instead of 1 or 2 bytes and don't print
        anything for dw_val_class_flag.

        * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
        instead of cselib_lookup following by tweaking locs->setting_insn.

        PR bootstrap/43596
        * cselib.c (cselib_process_insn): Clear cselib_current_insn
        even before returning from label, setjmp call or volatile asm
        handling.

2010-03-31  Richard Guenther  <rguenther@suse.de>

        PR middle-end/43600
        * cgraphunit.c (cgraph_output_in_order): Do not allocate
        temporary data on stack.

2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
        (PUSHSECTION_ASM_OP): Remove.
        (POPSECTION_ASM_OP): Remove.
        (PUSHSECTION_FORMAT): Remove.
        * config/sol2.h (PUSHSECTION_FORMAT): Define.
        * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
        * config/sol2.c (solaris_output_init_fini): Use it.

2010-03-31  Jie Zhang  <jie@codesourcery.com>

        PR 43574
        * opt-functions.awk (var_type_struct): Use signed char type
        for simple variables.

2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/sol2.c: Include output.h.
        (solaris_assemble_visibility): New function.
        * config/t-sol2 (sol2.o): Add output.h dependency.
        * config/sol2-protos.h (solaris_assemble_visibility): Declare.
        * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
        Redefine.

2010-03-31  Jakub Jelinek  <jakub@redhat.com>

        PR target/43580
        * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
        V2SImode or XFmode on PRE_DEC.

        PR debug/43557
        * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
        BLKmode.

2010-03-31  Jie Zhang  <jie@codesourcery.com>

        PR 43562
        * reload.h (caller_save_initialized_p): Declare.
        * toplev.c (backend_init_target): Don't call
        init_caller_save but set caller_save_initialized_p to false.
        * caller-save.c (caller_save_initialized_p): Define.
        (init_caller_save): Check caller_save_initialized_p.
        * ira.c (ira): Call init_caller_save if flag_caller_saves.

2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR target/39048
        * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
        and soft-fp/t-softfp to tmake_file.
        * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
        (LIBGCC2_TF_CEXT): Define.
        (TF_SIZE): Define.

2010-03-30  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/42977
        * cselib.c (n_useless_values): Document handling of debug locs.
        (n_useless_debug_values, n_debug_values): New variables.
        (new_elt_loc_list): Don't add to debug values, keep count.
        (promote_debug_loc): New.
        (cselib_reset_table): Zero new variables.
        (entry_and_rtx_equal_p): Promote debug locs.
        (discard_useless_locs): Increment n_useless_debug_values for
        debug values.
        (remove_useless_values): Adjust n_useless_values and n_debug_values
        with n_useless_debug_values.
        (add_mem_for_addr): Promote debug locs.
        (cselib_lookup_mem): Likewise.
        (cselib_lookup_addr): Renamed to...
        (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
        (cselib_log_lookup): ... this.  Turn into...
        (cselib_lookup_addr): ... new wrapper.
        (cselib_lookup_from_insn): New.
        (cselib_invalidate_regno): Increment n_useless_debug_values for
        debug values.
        (cselib_invalidate_mem): Likewise.
        (cselib_process_insn): Take n_deleted and n_debug_values into
        account to guard remove_useless_value call.
        (cselib_finish): Zero n_useless_debug_values.
        * cselib.h (cselib_lookup_from_insn): Declare.
        * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
        (sched_analyze_2): Likewise.

2010-03-30  Jakub Jelinek  <jakub@redhat.com>

        * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
        functions.
        (adjust_mems): Replace narrowing SUBREG of expression containing
        just PLUS, MINUS, MULT and ASHIFT of registers and constants
        with operations in the narrower mode.

        PR debug/43593
        * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
        regs_invalidated_by_call instead all call_used_reg_set registers.

2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43430
        * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
        pointer comparisons with types_compatible_p.
        * tree-vect-stmts.c (vectorizable_call): Same.
        (vectorizable_condition): Same.

2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
        stack check if the mask would be zero.

2010-03-30  Seongbae Park  <seongbae.park@gmail.com>
            Jack Howarth  <howarth@bromo.med.uc.edu>

        * tree-profile.c (tree_init_ic_make_global_vars): Make static
        variables TLS.

2010-03-30  Joseph Myers  <joseph@codesourcery.com>

        PR other/25232
        * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
        and __unordtf2.
        * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
        Include ___unordxf2 and ___unordtf2.
        * config/i386/libgcc-glibc.ver: Do not define inheritance from
        GCC_4.4.0 here.

2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>

        * config/lm32/t-lm32: New file.
        * config.gcc: Use the above file when targetting lm32.

2010-03-28  Duncan Sands  <baldrick@free.fr>

        * Makefile.in (PLUGIN_HEADERS): Add except.h.

2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43431
        * tree-vect-loop.c (vect_estimate_min_profitable_iters):
        Improve vectorization cost model diagnostic.

2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43436
        * tree-vect-data-refs.c (vect_analyze_data_refs): When
        compute_data_dependences_for_loop returns false, early exit
        and output an extra diagnostic for the failed data reference
        analysis.

2010-03-29  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43560
        * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
        (can_sm_ref_p): Treat stores to readonly locations as trapping.

2010-03-29  Jie Zhang  <jie@codesourcery.com>

        PR 43564
        * toplev.c (process_options): Set optimization_default_node
        and optimization_current_node.
        * opts.c (decode_options): Don't set optimization_default_node
        and optimization_current_node.

2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>

        * config/rtems.h: Abandon -qrtems_debug.

2010-03-28  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/43505
        * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
        map should not be copied.

2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/41674
        * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
        cdtors, set DECL_PRESERVE_P.
        * ipa.c (cgraph_externally_visible_p): Return true if declaration
        should be preseved.

2010-03-27  Uros Bizjak  <ubizjak@gmail.com>

        PR tree-optimization/43528
        * stor-layout.c (place_field): Check that constant fits into
        unsigned HWI when skipping calculation of MS bitfield layout.

2010-03-27  Jan Hubicka  <jh@suse.cz>

        PR middle-end/43391
        * varasm.c (make_decl_rtl): Deal with COMMON flag to make
        notice_global_symbol work.

2010-03-27  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
        instead of dwarf2out_decl.
        (struct var_loc_node): Remove section_label field.
        (dwarf2out_function_decl): New function.
        (dwarf2out_var_location): Don't set section_label field.
        (dwarf2out_begin_function): Don't empty decl_loc_table here.

2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR tree-optimization/43544
        * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
        First argument for builtin vectorized function hook is now a
        tree to be able to distinguish between machine specific and
        standard builtins.
        * targhooks.c (default_builtin_vectorized_function): Ditto.
        * targhooks.h (default_builtin_vectorized_function): Ditto.
        * target.h (struct gcc_target): Ditto.
        * tree-vect-stmts.c (vectorizable_function): Ditto.
        * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
        * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
        Ditto.

2010-03-26  Joseph Myers  <joseph@codesourcery.com>

        PR c/43381
        * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
        nested binding iff it is a FUNCTION_DECL.
        (store_parm_decls_newstyle): Pass nested=true to bind for
        FUNCTION_DECLs amongst parameters.

2010-03-26  Jakub Jelinek  <jakub@redhat.com>

        * var-tracking.c (vt_expand_loc_callback): Don't run
        cselib_expand_value_rtx_cb in dummy mode if
        cselib_dummy_expand_value_rtx_cb returned false.

        * var-tracking.c (emit_note_insn_var_location): For one part
        notes with offset 0, don't add EXPR_LIST around the location.
        * dwarf2out.c (loc_descriptor, dw_loc_list_1,
        add_location_or_const_value_attribute): Adjust for that change.

        PR debug/43540
        * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
        into first operand and location into second.
        (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
        dw_cfi_oprnd_loc for DW_CFA_expression.
        (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
        (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
        assume first argument is regnum and second argument is location.

2010-03-26  Uros Bizjak  <ubizjak@gmail.com>

        PR target/42113
        * config/alpha/alpha.md (*cmp_sadd_si): Change mode
        of scratch register to DImode.  Split to DImode comparison operator.
        Use SImode subreg of scratch register in the multiplication.
        (*cmp_sadd_sidi): Ditto.
        (*cmp_ssub_si): Ditto.
        (*cmp_ssub_sidi): Ditto.

2010-03-26  Uros Bizjak  <ubizjak@gmail.com>

        PR target/43524
        * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
        Remove invalid assert and wrong comment.

2010-03-26  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43516
        * flags.h (final_insns_dump_p): New extern.
        * final.c (final_insns_dump_p): New variable.
        (rest_of_clean_state): Set it before -fdump-final-insns=
        dumping, clear afterwards.
        * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
        MEM_ALIAS_SET on MEMs.

2010-03-26  David S. Miller  <davem@davemloft.net>

        * configure.ac: Fix sparc GOTDATA_OP bug check.
        * configure: Rebuild.

2010-03-26  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.

2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
        TLS_SECTION_ASM_FLAG.

2010-03-25  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/43511
        * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
        Clear first_function_block_is_cold.

        PR c/43385
        * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
        argument if the argument is truth_value_p.

2010-03-24  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/constraints.md: Update copyright year for my changes.

        PR target/43484
        * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
        used in reg+reg addressing, swap registers.

2010-03-24  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43293
        * target.h (struct gcc_target): Add code_end hook.
        * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
        if not yet defined.
        (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
        * toplev.c (compile_file): Call targetm.asm_out.code_end
        hook before unwind info/debug info output.
        * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
        * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
        (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
        * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
        (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
        * config/i386/i386.c (ix86_file_end): Renamed to...
        (ix86_code_end): ... this.  Make static.  Don't call
        file_end_indicate_exec_stack.  Emit unwind info using
        final_start_function/final_end_function.
        (darwin_x86_file_end): Remove.
        (TARGET_ASM_CODE_END): Define.
        * config/i386/i386.h (TARGET_ASM_FILE_END,
        NEED_INDICATE_EXEC_STACK): Don't define.
        * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
        (TARGET_ASM_FILE_END): Define to darwin_file_end.
        * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
        * doc/tm.texi (TARGET_ASM_CODE_END): Document.

        PR target/43498
        * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
        at the beginning and final_end_function at the end.
        * config/s390/s390.c (s390_output_mi_thunk): Likewise.

2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
        and Sun as TLS syntax.
        (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
        * configure: Regenerate.
        * config.in: Regenerate.
        * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
        (default_elf_asm_named_section): Use it.
        * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
        (i386_output_dwarf_dtprel): Likewise.
        (output_addr_const_extra): Likewise.
        (output_pic_addr_const): Lowercase @GOTTPOFF.
        (output_addr_const_extra): Likewise.
        (output_pic_addr_const): Lowercase @GOTNTPOFF.
        (output_addr_const_extra): Likewise.
        (output_pic_addr_const): Lowercase @INDNTPOFF.
        (output_addr_const_extra): Likewise.
        (output_pic_addr_const): Lowercase @NTPOFF.
        (output_addr_const_extra): Likewise.
        (output_pic_addr_const): Lowercase @TPOFF.
        (output_addr_const_extra): Likewise.
        * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
        (*tls_global_dynamic_64): Likewise.
        (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
        (*tls_local_dynamic_base_64): Lowercase @TLSLD.

        * defaults.h (TLS_COMMON_ASM_OP): Provide default.
        (ASM_OUTPUT_TLS_COMMON): Use it.
        * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.

        PR target/38118
        * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
        * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
        * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
        * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
        * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
        (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.

2010-03-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/i386/i386.c (override_options): Don't accept
        -mtls-dialect=sun any longer.
        * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
        * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
        (*tls_local_dynamic_base_32_sun): Likewise.
        * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.

2010-03-24  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43508
        * dwarf2out.c (mem_loc_descriptor): Don't ICE on
        VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.

        PR debug/43479
        * ira.c (adjust_cleared_regs): New function.
        (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.

        PR debug/19192
        PR debug/43479
        * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
        from gimple_block.
        * expr.c (expand_expr_real): Restore previous
        curr_insn_source_location and curr_insn_block after
        expand_expr_real_1 call.
        (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
        instead of expand_expr_real_1.

2010-03-23  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/43413
        * ira-color.c (setup_allocno_available_regs_num): Count prohibited
        hard regs too.

2010-03-22  James E. Wilson  <wilson@codesourcery.com>

        PR target/43348
        * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
        call_value_gp, sibcall_gp): Use 's' constraint not 'i'.

2010-03-22  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_target_string): Add -mfma.
        Fix a typo in comment.

2010-03-22  Mike Stump  <mikestump@comcast.net>

        PR target/23071
        * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
        Don't overly align based upon packed packed fields.

2010-03-22  Jason Merrill  <jason@redhat.com>

        * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
        Use () rather than [], and move before the element type.

2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/configfiles.texi (Configuration Files): Removed
        fixinc/Makefile*, intl/Makefile.*.
        * doc/makefile.texi: Fixed markup. Abstract from version
        control system used.
        (Makefile): Removed obsolete java/parse.y example.
        * doc/sourcebuild.texi: Likewise.
        (Top Level): Added config, gnattools, libdecnumber, libgcc,
        libgomp, libssp.  Removed fastjar.
        (Miscellaneous Docs): Clarify location.
        Added COPYING3, COPYING3.LIB.
        (Front End Directory): Moved Make-lang.in entry to new subsubsection.

2010-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR target/38085
        * config/i386/i386.c (x86_function_profiler)
        [!NO_PROFILE_COUNTERS]: Fix typo.
        * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
        instead of callq.

2010-03-22  Janis Johnson  <janis187@us.ibm.com>
            Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/sourcebuild.texi (Test Directives): Split into six
        subsections, with most of the current text in new subsections
        Directives, Selectors, and Final Actions.
        (Directives): Split list of test directives into multiple
        subsubsections.
        (Selectors): Describe use and syntax of selectors.
        (Effective-Target Keywords): Describe all existing keywords.
        (Add Options): Describe features for dg-add-options.
        (Require Support): Describe variants of dg-require-support.
        (Final Actions): Describe commands to use in dg-final.

2010-03-22  Michael Matz  <matz@suse.de>

        PR middle-end/43475
        * recog.c (validate_replace_rtx_group): Replace also in
        REG_EQUAL and REG_EQUIV notes.

2010-03-22  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43390
        * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
        sure vector extracts are type correct.

2010-03-22  Richard Guenther  <rguenther@suse.de>

        PR middle-end/40106
        * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
        x * sqrt (x) even when optimizing for size if the target
        has native support for sqrt.

2010-03-22  Jakub Jelinek  <jakub@redhat.com>

        * varasm.c (make_decl_rtl_for_debug): Also clear
        flag_mudflap for the duration of make_decl_rtl call.

        PR debug/43443
        * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
        locs from preserved VALUEs.

2010-03-21  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/42718
        * pa.md (movmemsi): Set align to one if zero.
        (movmemdi): Likewise.

2010-03-21  Richard Earnshaw  <rearnsha@arm.com>

        PR target/42321
        * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
        with their corresponding prologue pushes.

2010-03-20  Andrew Pinski  <pinskia@gmail.com>

        PR target/43156
        * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
        at the begining or end.
        (spu_expand_epilogue): Likewise.

2010-03-20  Richard Guenther  <rguenther@suse.de>

        PR rtl-optimization/43438
        * combine.c (make_extraction): Properly zero-/sign-extend an
        extraction of the low part of a CONST_INT.  Also handle
        CONST_DOUBLE.

2010-03-19  Mike Stump  <mikestump@comcast.net>

        * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
        * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
        (override_options): Use SUBTARGET32_DEFAULT_CPU.

2010-03-19  Andrew Pinski  <andrew_pinski@caviumnetworks.com>

        PR c/43211
        * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
        an error.

2010-03-19  Bernd Schmidt  <bernds@codesourcery.com>

        PR rtl-optimization/42258
        * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
        use that may match DEF.

        PR target/40697
        * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
        the cost of loading the constant rather than assuming
        COSTS_N_INSNS (1).
        * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
        outer code is AND, do the same tests as the andsi3 expander and
        return COSTS_N_INSNS (1) if and is cheap.

        * optabs.c (avoid_expensive_constant): Fix formatting.

2010-03-19  Michael Matz  <matz@suse.de>

        PR c++/43116
        * attribs.c (decl_attributes): When rebuilding a function pointer
        type use the same qualifiers as the original pointer type.

2010-03-19  Martin Jambor  <mjambor@suse.cz>

        * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
        and is_gimple_ip_invariant_address.

2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        Revert
        2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm.c (arm_override_options): Turn off
        flag_dwarf2_cfi_asm for AAPCS variants.

2010-03-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        PR target/43399
        * config/arm/arm.c (emit_multi_reg_push): Update comments.
        Use PRE_MODIFY instead of PRE_DEC.
        (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
        (vfp_emit_fstmd): Likewise.

2010-03-19  Michael Matz  <matz@suse.de>

        PR target/43305
        * builtins.c (expand_builtin_interclass_mathfn,
        expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
        if that fails.

2010-03-19  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43415
        * tree-ssa-pre.c (phi_translate): Split out worker to ...
        (phi_translate_1): ... this.
        (phi_translate): Move all caching here.  Cache all NARY
        and REFERENCE translations.

2010-03-19  David S. Miller  <davem@davemloft.net>

        With help from Eric Botcazou.
        * config/sparc/sparc.c: Include dwarf2out.h.
        (emit_pic_helper): Delete.
        (pic_helper_symbol_name): Delete.
        (pic_helper_emitted_p): Delete.
        (pic_helper_needed): New.
        (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
        (get_pc_thunk_name): New.
        (load_pic_register): Remove 'delay_pic_helper' arg.  Use
        get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
        Set pic_helper_needed to true.  Don't call emit_pic_helper.
        (sparc_expand_prologue): Update load_pic_register call.
        (sparc_output_mi_thunk): Likewise.
        (sparc_file_end): Emit a hidden comdat symbol for the PIC
        thunk if possible.  Output CFI information as needed.

2010-03-18  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
            Jack Howarth  <howarth@bromo.med.uc.edu>

        PR target/36399
        * config/i386/i386.h: Fix ABI on darwin x86-32.

2010-03-18  Aldy Hernandez  <aldyh@redhat.com>

        * tree.h: Declare make_decl_rtl_for_debug.
        * varasm.c (make_decl_rtl_for_debug): New.
        * dwarf2out.c (rtl_for_decl_location): Call it.
        * cfgexpand.c (expand_debug_expr): Call it.

2010-03-18  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/43399
        * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
        mem_mode.

        PR bootstrap/43403
        * var-tracking.c (vt_init_cfa_base): Do nothing if
        cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.

2010-03-18  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/42873
        * var-tracking.c (canonicalize_vars_star): New.
        (dataflow_post_merge_adjust): Use it.

2010-03-18  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43058
        * var-tracking.c (non_suitable_const): New function.
        (add_uses): For DEBUG_INSNs with constants, don't record any
        value, instead just the constant value itself.
        (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
        is not VAR_LOC_UNKNOWN_P, set var to the constant.
        (emit_notes_in_bb): Likewise.
        (emit_note_insn_var_location): For onepart variables if
        cur_loc is a VOIDmode constant, use DECL_MODE.

2010-03-18  Martin Jambor  <mjambor@suse.cz>

        PR middle-end/42450
        * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
        * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
        all non-clones.  Moved call redirection...
        (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
        (cgraph_materialize_all_clones): Dispose of all
        combined_args_to_skip bitmaps.
        (verify_cgraph_node): Do not check for edges pointing to wrong
        nodes in inline clones.
        * tree-inline.c (copy_bb): Call
        cgraph_redirect_edge_call_stmt_to_callee.
        * ipa.c (cgraph_remove_unreachable_nodes): Call
        cgraph_node_remove_callees even when there are used clones.

2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.

2010-03-18  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/43383
        * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
        for 32bit.

2010-03-18  Michael Matz  <matz@suse.de>

        PR middle-end/43419
        * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
        into sqrt(x) if we need to preserve signed zeros.

2010-03-18  Steven Bosscher  <steven@gcc.gnu.org>
            Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/43360
        * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
        note if we don't know its invariant status.

2010-03-18  Michael Matz  <matz@suse.de>

        PR tree-optimization/43402
        * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
        PHI chains of ssa names registered for update.

2010-03-17  Peter Bergner  <bergner@vnet.ibm.com>

        PR target/42427
        * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
        non-offsettable and pre_modify update addressing.
        * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
        and "2" alternatives "#".
        (*movdd_softfloat32): Make all alternatives "#";
        * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
        (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
        (*movdf_softfloat32): Make all alternatives "#";
        (movdi): Use the new DIFD mode iterator to create a common splitter
        for movdi, movdf and movdd patterns.

2010-03-18  Shujing Zhao  <pearly.zhao@oracle.com>

        * common.opt (dumpdir): Remove redundant tab.

2010-03-17  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/43347
        * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
        original base is DECL_ARTIFICIAL or DECL_IGNORED_P.

2010-03-17  Bernd Schmidt  <bernd.schmidt@analog.com>

        PR rtl-optimization/42216
        * regrename.c (create_new_chain): New function, broken out from...
        (scan_rtx_reg): ... here.  Call it.  Handle the case where we are
        appending a use to an empty chain.
        (build_def_use): Remove previous changes that convert OP_INOUT to
        OP_OUT operands; instead detect the case where an OP_INOUT operand
        uses a previously untracked register and create an empty chain for it.

2010-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/extend.texi (Function Attributes): Rewrite unfinished
        sentence in ms_abi documentation.

2010-03-17  Alan Modra  <amodra@gmail.com>

        * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
        * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
        (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
        * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.

2010-03-16  Richard Henderson  <rth@redhat.com>

        PR middle-end/43365
        * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
        (lower_try_finally): Save and restore eh_seq around the expansion
        of the try-finally.

2010-03-16  Aldy Hernandez  <aldyh@redhat.com>

        * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
        statements before splitting block.

2010-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/sourcebuild.texi (Testsuites): Fix markup.
        Use pathnames relative to gcc/testsuite.
        (Test Directives): Move description of how timeout is determined.
        (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
        (C Tests): Correct gcc.misc-tests directory.
        Framework tests now live in gcc.test-framework.

2010-03-16  Richard Guenther  <rguenther@suse.de>

        PR middle-end/43379
        * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
        operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.

2010-03-16  Aldy Hernandez  <aldyh@redhat.com>
            Alexandre Oliva  <aoliva@redhat.com>

        PR tree-optimization/42917
        * lambda-code.c (remove_iv): Skip debug statements.
        (lambda_loopnest_to_gcc_loopnest): Likewise.
        (not_interesting_stmt): Debug statements are not interesting.

2010-03-16  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43051
        PR debug/43092
        * cselib.c (cselib_preserve_constants,
        cfa_base_preserved_val): New static variables.
        (preserve_only_constants): New function.
        (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
        clear its REG_VALUES.  If cselib_preserve_constants, don't
        empty the whole hash table, but preserve there VALUEs with constants,
        cfa_base_preserved_val and cfa_base_preserved_val plus constant.
        (cselib_preserve_cfa_base_value): New function.
        (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
        (cselib_init): Change argument to int bitfield.  Set
        cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
        is in it.
        (cselib_finish): Clear cselib_preserve_constants and
        cfa_base_preserved_val.
        * cselib.h (enum cselib_record_what): New enum.
        (cselib_init): Change argument to int.
        (cselib_preserve_cfa_base_value): New prototype.
        * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
        * dse.c (dse_step1): Likewise.
        * cfgcleanup.c (thread_jump): Likewise.
        * sched-deps.c (sched_analyze): Likewise.
        * gcse.c (local_cprop_pass): Likewise.
        * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
        If FN is non-NULL, call the callback always and whenever it returns
        non-NULL just return that.  Only do rtx_equal_p if FN is NULL.
        * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
        * combine.c (propagate_for_debug_subst): Add old_rtx argument,
        compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
        * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
        * var-tracking.c: Include recog.h.
        (bb_stack_adjust_offset): Remove.
        (vt_stack_adjustments): Don't call it, instead just gather the
        adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
        (adjust_stack_reference): Remove.
        (compute_cfa_pointer): New function.
        (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
        (struct adjust_mem_data): New type.
        (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
        functions.
        (get_address_mode): New function.
        (replace_expr_with_values): Use it.
        (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
        Use get_address_mode.  For cfa_base_rtx return MO_CLOBBER.
        (adjust_sets): Remove.
        (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
        Use get_address_mode.
        (get_adjusted_src): Remove.
        (add_stores): Don't call it.  Never reuse expr SET.  Don't add extra
        MO_VAL_USE for cfa_base_rtx plus constant.  Use get_address_mode.
        (add_with_sets): Don't call adjust_sets.
        (fp_setter, vt_init_cfa_base): New functions.
        (vt_initialize): Change return type to bool.  Move most of pool etc.
        initialization to the beginning of the function from end.  Pass
        CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
        If !frame_pointer_needed, call vt_stack_adjustment before mos
        vector is filled, call vt_init_cfa_base if argp/framep has been
        eliminated to sp.  If frame_pointer_needed and argp/framep has
        been eliminated to hard frame pointer, set
        hard_frame_pointer_adjustment and call vt_init_cfa_base after
        encountering fp setter in the prologue.  For MO_ADJUST, call
        log_op_type before pusing the op into mos vector, not afterwards.
        Call adjust_insn before cselib_process_insn/add_with_sets,
        call cancel_changes (0) afterwards.
        (variable_tracking_main_1): Adjust for vt_initialize calling
        vt_stack_adjustments and returning whether it succeeded or not.

2010-03-15  Aldy Hernandez  <aldyh@redhat.com>

        * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
        debug statements.

2010-03-15  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
        has been set.
        (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
        drap_reg has not been set.

2010-03-15  Michael Matz  <matz@suse.de>

        PR middle-end/43300
        * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
        use it to expand block copies.
        (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
        insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
        (insert_value_copy_on_edge): Use store_expr for BLKmode values.

2010-03-15  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43367
        * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
        elimination check.

2010-03-15  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43317
        * ipa-struct-reorg.c (create_new_general_access): Update stmt.

2010-03-15  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/43141
        * tree-sra.c (create_abstract_origin): New function.
        (modify_function): Call create_abstract_origin.

2010-03-15  Chris Demetriou  <cgd@google.com>

        * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
        wasn't copied.

2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43354
        * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
        call insert_out_of_ssa_copy for default definitions.

2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (my_long_long): Defined.
        (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
        * graphite-sese-to-poly.c (my_long_long): Defined.
        (scop_ivs_can_be_represented): Use it.

2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>

        * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
        graphite-max-bbs-per-function, and loop-block-tile-size.
        * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
        with "maximum".
        (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.

2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
        forward declaration.
        * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
        (add_upper_bounds_from_estimated_nit): New.
        (build_loop_iteration_domains): Use it.

2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>

        * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.

2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43306
        * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
        should be an INTEGER_CST.  Also handle CASE_CONVERT.

2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (graphite_initialize): To bound the number of bbs per
        function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
        * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
        * doc/invoke.texi: Document it.

2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
        * graphite-sese-to-poly.h (build_poly_scop): Same.

2010-03-13  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
        the number of parameters in the scop.  Use as an upper bound
        PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
        * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
        * doc/invoke.texi: Document it.

2010-03-13  Jerry Quinn  <jlquinn@optonline.net>

        * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
        * doc/c-tree.texi: Remove.
        * doc/generic.texi: Merge c-tree.texi here.
        * doc/gccint.texi (Trees): Remove menu entry.
        (c-tree.texi): Remove @include.
        * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
        * doc/languages.texi (Reading RTL): Ditto.

2010-03-12  Steve Ellcey  <sje@cup.hp.com>

        PR target/42869
        * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.

2010-03-12  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR middle-end/42431
        * config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
        code added to work around reload clobbering CONST insns.

2010-03-12  Jakub Jelinek  <jakub@redhat.com>

        * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
        (cselib_preserve_definitely, cselib_clear_preserve): Remove.
        (cselib_preserve_only_values): Remove retain argument, don't
        traverse hash table with cselib_{preserve_definitely,clear_preserve}.
        * cselib.h (cselib_preserve_only_values): Remove retain argument.
        * var-tracking.c (micro_operation): Move insn field before union.
        Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
        (struct variable_tracking_info_def): Remove n_mos field, change
        mos into a vector of micro_operations.
        (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
        (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
        compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
        changing into a vector.
        (add_with_sets): Likewise.  Ensure MO_VAL_USE uops from add_stores
        come before all other uops generated by add_stores.
        (vt_add_function_parameters): Adjust for cselib_preserve_only_values
        argument removal.
        (vt_initialize): Likewise.  Adjust for VTI (bb)->mos changing into
        a vector.  Run just one pass over the bbs instead of separate counting
        and computation phase.
        (vt_finalize): Free VTI (bb)->mos vector instead of array.

        PR debug/43329
        * tree-inline.c (remap_decls): Put old_var rather than origin_var
        into *nonlocalized_list vector.
        * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
        even if origin is non-NULL.
        (gen_variable_die): Likewise.
        (process_scope_var): Don't change origin.
        (gen_decl_die): Likewise.
        * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
        before adding new edges instead of after it, fix moving over
        debug stmts.

2010-03-11  David S. Miller  <davem@davemloft.net>

        * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
        of four.
        * configure: Rebuild.

2010-03-11  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/43257
        * tree.c (assign_assembler_name_if_neeeded): New function.
        (free_lang_data_in_cgraph): Assembler name assignment moved to the
        above new function.
        * tree.h (assign_assembler_name_if_neeeded): Declare.
        * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
        the function if needed.

2010-03-11  Chris Demetriou  <cgd@google.com>

        * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
        include/stdint-gcc.h, and include/stdint.h world-readable.

2010-03-11  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43255
        * tree-vrp.c (process_assert_insertions_for): Do not insert
        asserts for trivial conditions.

2010-03-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        PR tree-optimization/43280
        * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
        generation.  Move calculation of size out of the if branch.
        (find_bswap): Modify compare number generation.

2010-03-11  Richard Guenther  <rguenther@suse.de>

        PR lto/43200
        * lto-streamer-in.c (maybe_fixup_decls): Simplify.
        (input_gimple_stmt): Fixup handled component types during
        operand read.  Also fix up decls in ADDR_EXPRs.

2010-03-10  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
        * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.

2010-03-10  Jan Hubicka  <jh@suse.cz>

        PR c/43288
        * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
        * varasm.c (get_variable_section): Don't do that here...
        (make_decl_rtl): ... and here.
        (do_assemble_alias): Produce decl RTL.
        (assemble_alias): Likewise.

2010-03-10  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43290
        * reg-notes.def (REG_CFA_SET_VDRAP): New note.
        * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
        of fde->vdrap_reg.
        (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
        (based_loc_descr): Only express drap or vdrap regno based expressions
        using DW_OP_fbreg when not optimizing.
        * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
        make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
        REG_CFA_SET_VDRAP note.

2010-03-10  Alexander Monakov  <amonakov@ispras.ru>

        PR tree-optimization/43236
        * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
        error in calculation of base address in reverse iteration case.
        (generate_builtin): Take number of latch executions if the statement
        is in the latch.

2010-03-10  Andrey Belevantsev  <abel@ispras.ru>

        PR middle-end/42859
        * tree-eh.c: Include pointer-set.h.
        (lower_eh_dispatch): Filter out duplicate case labels and
        remove the unneeded edge when the label is unused.  Return
        true when some edges are removed.
        (execute_lower_eh_dispatch): When any lowering resulted in
        removing an edge, also delete unreachable blocks.

2010-03-10  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/43287
        * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
        UNSPEC_MACHOPIC_OFFSET.

2010-03-09  Andreas Schwab  <schwab@linux-m68k.org>

        PR target/43294
        * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
        (m68k_delegitimize_address): New function.

2010-03-09  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43299
        * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.

        PR debug/43299
        * var-tracking.c (adjust_sets): New function.
        (count_with_sets, add_with_sets): Use it.
        (get_adjusted_src): New inline function.
        (add_stores): Use it.

        PR debug/43304
        * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
        call cselib_dummy_expand_value_rtx_cb instead of
        cselib_expand_value_rtx_cb.

        PR debug/43293
        * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
        * config/i386/i386.c: Include debug.h and dwarf2out.h.
        (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
        and .cfi_endproc around the pic thunks.
        (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
        all queued unwind info register saves are saved before the call.
        For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
        considered as sp-=4 for unwind info and the pop as sp+=4 which
        also clobbers dest, but doesn't actually restore it.

        PR debug/43290
        * config/i386/i386.c (ix86_get_drap_rtx): Don't set
        RTX_FRAME_RELATED_P.

2010-03-09  Jie Zhang  <jie@codesourcery.com>

        * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
        whitespaces in output template.

2010-03-09  Jie Zhang  <jie@codesourcery.com>

        * ira-lives.c (check_and_make_def_use_conflict): Don't fall
        out array boundary.

2010-03-08  Jakub Jelinek  <jakub@redhat.com>

        * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
        builtins.exp in a separate job.

2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (add_param_constraints): Use
        lower_bound_in_type and upper_bound_in_type.

2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
        instead of unsigned_type_node.

2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>
            Reza Yazdani  <reza.yazdani@amd.com>

        PR middle-end/43065
        * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
        on pointer type parameters.

2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>

        PR middle-end/42644
        PR middle-end/42130
        * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
        handle conversions from pointer to integers.
        (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
        induction variable, to be able to work with code generated by CLooG.
        * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
        (build_poly_scop): Bail out if we cannot codegen a loop.

2010-03-08  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
        code generation with gloog_error.

2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>

        * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
        Call fold_convert on all the returned values.
        (expand_scalar_variables_expr): Pass to
        expand_scalar_variables_ssa_name the type of the resulting expression.

2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
        ppl_min_for_le_pointset.
        Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
        * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.

2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (map_into_dep_poly): Removed.
        (dependence_polyhedron_1): Use combine_context_id_scat.

2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.h (struct poly_scattering): Add layout documentation.
        (struct poly_bb): Same.
        (combine_context_id_scat): New.

2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42326
        * sese.c (name_defined_in_loop_p): Return false for default
        definitions.

2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
        and clean up the logic.

2010-03-08  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
        early return.

2010-03-08  Jakub Jelinek  <jakub@redhat.com>

        * var-tracking.c (remove_cselib_value_chains): Define only for
        ENABLE_CHECKING.
        (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
        delete_slot_part, emit_notes_for_differences_1): Don't call
        remove_cselib_value_chains here.
        (set_slot_part, emit_notes_for_differences_2): Don't call
        add_cselib_value_chains here.
        (preserved_values): New vector.
        (preserve_value): New function.
        (add_uses, add_stores, vt_add_function_parameters): Use it
        instead of cselib_preserve_value.
        (changed_values_stack): New vector.
        (check_changed_vars_0): New function.
        (check_changed_vars_1, check_changed_vars_2): Use it.
        (emit_notes_for_changes): Call set_dv_changed (*, false) on all
        changed_values_stack VALUEs.
        (vt_emit_notes): For all preserved_values call
        add_cselib_value_chains.  If ENABLE_CHECKING call
        remove_cselib_value_chains before verifying value_chains is empty.
        Initialize and free changed_values_stack.
        (vt_initialize): Initialize preserved_values.
        (vt_finalize): Free preserved_values.

2010-03-08  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43269
        * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
        region detection.

2010-03-08  Martin Jambor  <mjambor@suse.cz>

        * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
        (ipa_is_param_called): Removed.
        * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
        (ipa_print_node_params): Do not print the called flag.
        (ipa_write_node_info): Do not stream the called flag.
        (ipa_read_node_info): Likewise.

2010-03-07  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43176
        * Makefile.in (var-tracking.o): Depend on pointer-set.h.
        * cselib.c (struct expand_value_data): Add dummy field.
        (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
        dummy to false.
        (cselib_dummy_expand_value_rtx_cb): New function.
        (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
        any rtl.
        * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
        * var-tracking.c: Include pointer-set.h.
        (variable): Change n_var_parts to char from int.  Add
        cur_loc_changed and in_changed_variables fields.
        (variable_canonicalize): Remove.
        (shared_var_p): New inline function.
        (unshare_variable): Maintain cur_loc_changed and
        in_changed_variables fields.  If var was in changed_variables,
        replace it there with new_var.  Just copy cur_loc instead of
        resetting it to something else.
        (variable_union): Don't recompute cur_loc.  Use shared_var_p.
        (dataflow_set_union): Don't call variable_canonicalize.
        (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
        of their DEBUG_EXPR_TREE_DECLs.
        (canonicalize_loc_order_check): Verify that cur_loc is NULL
        and in_changed_variables and cur_loc_changed is false.
        (variable_merge_over_cur): Clear cur_loc, in_changed_variables
        and cur_loc_changed.  Don't update cur_loc here.
        (variable_merge_over_src): Don't call variable_canonicalize.
        (dataflow_set_preserve_mem_locs): Use shared_var_p.  When
        removing loc that is equal to cur_loc, clear cur_loc,
        set cur_loc_changed and ensure variable_was_changed is called.
        (dataflow_set_remove_mem_locs): Use shared_var_p.  Only
        compare pointers in cur_loc check, if it is equal to loc,
        clear cur_loc and set cur_loc_changed.  Don't recompute cur_loc here.
        (variable_different_p): Remove compare_current_location argument,
        don't compare cur_loc.
        (dataflow_set_different_1): Adjust variable_different_p caller.
        (variable_was_changed): If dv had some var in changed_variables
        already, reset in_changed_variables flag for it and propagate
        cur_loc_changed over to the new variable.  On empty var
        always set cur_loc_changed.  Set in_changed_variables on whatever
        var is added to changed_variables.
        (set_slot_part): Clear cur_loc_changed and in_changed_variables.
        Use shared_var_p.  When removing loc that is equal to cur_loc,
        clear cur_loc and set cur_loc_changed.  If cur_loc is NULL at the
        end, don't set it to something else, just call variable_was_changed.
        (delete_slot_part): Use shared_var_p.  When cur_loc equals to
        loc being removed, clear cur_loc and set cur_loc_changed.
        Set cur_loc_changed if all locations have been removed.
        (struct expand_loc_callback_data): New type.
        (vt_expand_loc_callback): Add dummy mode in which no rtxes are
        allocated.  Always create SUBREGs if simplify_subreg failed.
        Prefer to use cur_loc, when that fails and still in
        changed_variables (and seen first time) recompute it.  Set
        cur_loc_changed of variables which had to change cur_loc and
        compute elcd->cur_loc_changed if any of the subexpressions used
        had to change cur_loc.
        (vt_expand_loc): Adjust to pass arguments in
        expand_loc_callback_data structure.
        (vt_expand_loc_dummy): New function.
        (emitted_notes): New variable.
        (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
        that weren't used for any other decl in current
        emit_notes_for_changes call call vt_expand_loc_dummy to update
        cur_loc.  For -fno-var-tracking-assignments, set cur_loc to
        first loc_chain location if NULL before.  Always use just
        cur_loc instead of first loc_chain location.  When cur_loc_changed
        is false, when not --enable-checking=rtl just don't emit any note.
        When rtl checking, compute the note and assert it is the same
        as previous note.  Clear cur_loc_changed and in_changed_variables
        at the end before removing from changed_variables.
        (check_changed_vars_3): New function.
        (emit_notes_for_changes): Traverse changed_vars to call
        check_changed_vars_3 on each changed var.
        (emit_notes_for_differences_1): Clear cur_loc_changed and
        in_changed_variables.  Recompute cur_loc of new_var.
        (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
        (vt_emit_notes): Initialize and destroy emitted_notes.

2010-03-07  Bernd Schmidt  <bernd.schmidt@analog.com>

        PR rtl-optimization/42220
        * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
        Use verify_reg_tracked to determine if we should use OP_OUT rather
        than OP_INOUT.
        (build_def_use): If we see an in-out operand for a register that we
        know nothing about, treat is an output if possible, fail the block if
        not.

2010-03-06  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/42897
        * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
        permanently.

2010-03-06  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/42897
        * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
        uses of relevant DEFs that are dead outside the loop too.

2010-03-06  Alexandre Oliva  <aoliva@redhat.com>

        * var-tracking.c (dataflow_set_merge): Swap src and src2.
        Reverted:
        2010-01-13  Jakub Jelinek  <jakub@redhat.com>
        PR debug/41371
        * var-tracking.c (values_to_unmark): New variable.
        (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
        values_to_unmark vector.  Moved body to...
        (find_loc_in_1pdv_1): ... this.  Don't clear VALUE_RECURSED_INTO,
        instead queue it into values_to_unmark vector.
        (vt_find_locations): Free values_to_unmark vector.

2010-03-05  Eric Botcazou  <ebotcazou@adacore.com>

        * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
        (site.exp): Export them when plugins are enabled.

2010-03-05  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42326
        * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
        that contain scevs.
        (chrec_fold_multiply): Same.

2010-03-04  Andrew Pinski  <andrew_pinski@caviumnetworks.com>

        PR c/43248
        * c-decl.c (build_compound_literal): Return early if init is
        an error_mark_node.

2010-03-04  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/43164
        PR tree-optimization/43191
        * tree-sra.c (type_consists_of_records_p): Reject records with
        zero-size bit-fields at the end.

2010-03-04  Mike Stump  <mikestump@comcast.net>

        * Makefile.in (TAGS): Remove *.y.

2010-03-04  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/40761
        * tree-ssa-pre.c (compute_antic): Walk reverse postorder
        in reverse order.
        (my_rev_post_order_compute): New function.
        (init_pre): Call it.

2010-03-04  Changpeng Fang  <changpeng.fang@amd.com>

        PR middle-end/43209
        * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
        decrease the cost of an IV candidate when the cost is infinite.

2010-03-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
        Use '3DNow!' for the extension of that name, ensure normal space
        after the string.
        * doc/invoke.texi (i386 and x86-64 Options): Likewise.

2010-03-03  Jeff Law  <law@redhat.com>

        * PR middle-end/32693
        * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
        than gen_rtx_SUBREG.
        (extract_bit_field_1): Likewise.

2010-03-03  Janis Johnson  <janis187@us.ibm.com>

        * doc/sourcebuild.texi (Test directives): Document that arguments
        include-opts and exclude-opts are now optional for dg-skip-if,
        dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.

2010-03-03  Jason Merrill  <jason@redhat.com>

        PR c++/12909
        * cgraph.h (varpool_node): Add extra_name field.
        * varpool.c (varpool_extra_name_alias): New.
        (varpool_assemble_decl): Emit extra name aliases.
        (varpool_mark_needed_node): Look past an extra name alias.
        * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
        * lto-streamer-in.c (lto_input_tree): Read it.
        * lto-streamer-out.c (output_unreferenced_globals): Write it.

2010-03-03  Eric Botcazou  <ebotcazou@adacore.com>

        * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
        (sparc*-*-solaris2*): ...this.

2010-03-03  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43229
        * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
        WIDEN_MULT_EXPR and WIDEN_SUM_EXPR.  Return NULL without
        ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
        FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.

        PR debug/43237
        * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
        fallthrough to default handling, just with want_address 0 instead of 2.
        For single element lists, add_AT_loc directly, otherwise create an
        artificial variable DIE and stick location list to it.

        PR debug/43177
        * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
        (VAL_EXPR_HAS_REVERSE): Define.
        (reverse_op): New function.
        (add_stores): For reversible operations add an extra MO_VAL_USE.

2010-03-02  Jason Merrill  <jason@redhat.com>

        * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.

2010-03-02  Eric Botcazou  <ebotcazou@adacore.com>

        * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
        (sparc64-*-linux*): Likewise.
        (sparc64-*-solaris2*): Include assembler files before linker ones.
        (sparc-*-solaris2*): Simplify and reorder to match previous case.
        * config/sparc/gas.h: Delete.
        * config/sparc/sol2-64.h: Add copyright notice.
        * config/sparc/sol2-gas-bi.h: Likewise.
        * config/sparc/sol2-gld.h: Likewise.
        * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
        * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
        * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
        * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
        (sparc_elf_asm_named_section): Rename into...
        (sparc_solaris_elf_asm_named_section): ...this.  Always define.

2010-03-02  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (override_options): Fix -mtune error message.

2010-03-02  Jeff Law  <law@redhat.com>

        PR middle-end/42431
        * reload1.c (rtx_p, substitute_stack): Declare.
        (substitute): Record addresses of changed rtxs.
        (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
        Restore the original rtx when complete.
        (reload): Free subsitute_stack when complete.

2010-03-02  Janis Johnson  <janis187@us.ibm.com>

        * doc/gccint.texi (menu): Add Testsuites as a chapter.
        * doc/sourcebuild.texi (Testsuites): Move up a level to be a
        new chapter.
        (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
        LTO Testing, gcov Testing, profopt Testing, compat Testing,
        Torture Tests): Change from subsection to section.

2010-03-02  Jakub Jelinek  <jakub@redhat.com>
            Steven Bosscher  <steven@gcc.gnu.org>

        * var-tracking.c (vt_initialize): Scan insns in ebb chunks
        instead of bb.

2010-03-02  Reza Yazdani  <reza.yazdani@amd.com>

        PR middle-end/42640
        * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
        the assignment from the new induction variable to the assignment
        of the value from the original loop PHI function.

2010-03-01  Janis Johnson  <janis187@us.ibm.com>
            Daniel Jacobowitz  <dan@codesourcery.com>

        * doc/sourcebuild.texi (Test directives): Clarify options to
        dg-skip-if.

2010-03-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
        Disable cfi directives unless GCC and gas agree on using read-only
        .eh_frame sections for 64-bit.
        * configure: Regenerate.

2010-03-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43220
        * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
        BUILT_IN_STACK_{SAVE,RESTORE} around alloca.

2010-03-01  Richard Guenther  <rguenther@suse.de>
            Martin Jambor  <mjambor@suse.cz>

        PR middle-end/41250
        * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
        gimplified parameters.

2010-03-01  Christian Bruel  <christian.bruel@st.com>

        * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.

2010-03-01  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.

2010-03-01  Richard Guenther  <rguenther@suse.de>

        PR middle-end/43213
        * expr.c (expand_assignment): Use the alias-oracle to tell
        if the rhs aliases the result decl.

2010-03-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR pch/14940
        * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
        to sol_gt_pch_get_address.
        (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
        64-bit, SPARC and x86.
        (sol_gt_pch_get_address): New function.

2010-03-01  Marco Poletti  <poletti.marco@gmail.com>

        * toplev.h (inform_n, error_n): Declare.
        * diagnostic.c (inform_n, error_n): New function.

2010-03-01  Jakub Jelinek  <jakub@redhat.com>

        * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
        has no rtl yet when processing local_decls, queue it and recheck
        if deferred stack allocation hasn't assigned it rtl.

2010-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (unspec_bbr_uid): New.
        (gen_block_redirect): Use it instead of INSN_UID.
        (gen_far_branch): Likewise.

2010-02-28  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
        it the same as TARGET_SUBTARGET64_ISA_DEFAULT.

2010-02-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/invoke.texi (Warning Options, RX Options): Fix typos.
        (Warning Options): -Wno-conversion-null is valid for
        Objective-C++ as well.
        * doc/tm.texi (Named Address Spaces): Likewise.
        * doc/plugins.texi (Plugins): Replace TABs with spaces.
        * doc/tree-ssa.texi (Tree SSA): Likewise.

2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>

        PR bootstrap/43202
        * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
        by default.  Don't set the default arch for
        i[34567]86-*-darwin*|x86_64-*-darwin*.

2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>

        PR bootstrap/43202
        * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
        default.  Set the default 32bit/64bit archs with $with_arch
        instead of $arch for i[34567]86-*-*|x86_64-*-* targets.

2010-02-27  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43186
        * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
        * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
        * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
        unroller iterations.

2010-02-27  H.J. Lu  <hongjiu.lu@intel.com>

        * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
        required and i[34567]86-*-* targets don't support 64bit ISA.

2010-02-26  Eric Botcazou  <ebotcazou@adacore.com>

        PR ada/43096
        * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
        the same alias set.

2010-02-26  H.J. Lu  <hongjiu.lu@intel.com>

        * config.gcc: Set the default arch at least to Prescott for
        i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
        if SSE math is enabled.

2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * diagnostic.c (diagnostic_initialize): Update.
        (diagnostic_report_diagnostic): Test inhibit_notes_p for
        informative notes.
        * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
        (diagnostic_inhibit_notes): New.
        * toplev.c (process_options): inhibit notes with -fcompare-debug.

2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/20631
        * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
        * doc/standards.texi: Likewise.
        * doc/extend.texi: Likewise.
        * doc/trouble.texi: Likewise.
        * doc/cppopts.texi: Likewise.
        * doc/install.texi: Likewise.
        * c.opt (std=c90,std=gnu90): New options.
        * c-opts.c (c_common_handle_option): Handle them.

2010-02-26  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/24577
        * c-decl.c (undeclared_variable): Use an informative note.

2010-02-26  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43186
        * gimple.h (gimple_fold): Remove.
        * gimple.c (gimple_fold): Remove.  Inline into single user ...
        * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
        Try harder for conditions.

2010-02-26  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43190
        * function.c (used_types_insert): Don't skip through named pointer
        types.  Don't use TYPE_MAIN_VARIANT if the original type has a name
        and it is different from the main variant's type.

2010-02-26  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.md (sminsi3): Remove bogus alternative.

2010-02-26  H.J. Lu  <hongjiu.lu@intel.com>

        * config.gcc: Support --with-fpmath=sse for x86.

        * config/i386/ssemath.h: New.

        * doc/install.texi (--with-fpmath=sse): Documented.

2010-02-26  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43188
        * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
        vector types of over-aligned element type.

2010-02-26  Uros Bizjak  <ubizjak@gmail.com>

        PR target/43175
        * config/i386/i386.c (expand_vec_perm_blend): Use correct
        operands in V8HImode subregs.  Fix operand order in VEC_MERGE rtx.

2010-02-26  Jan Kratochvil  <jan.kratochvil@redhat.com>

        * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.

2010-02-26  Jakub Jelinek  <jakub@redhat.com>

        * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
        * var-tracking.c: Include diagnostic.h.
        (debug_dv): New function.
        (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.

        PR debug/43160
        * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
        (add_value_chain, add_value_chains, remove_value_chain,
        remove_value_chains): Handle DEBUG_EXPRs.
        (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.

        PR debug/43161
        * regcprop.c (struct queued_debug_insn_change): New type.
        (struct value_data_entry): Add debug_insn_changes field.
        (struct value_data): Add n_debug_insn_changes field.
        (debug_insn_changes_pool): New variable.
        (free_debug_insn_changes, apply_debug_insn_changes,
        cprop_find_used_regs_1, cprop_find_used_regs): New functions.
        (kill_value_one_regno): Call free_debug_insn_changes if needed.
        (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
        fields.
        (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
        changes for them.
        (copyprop_hardreg_forward_1): Don't call apply_change_group for
        DEBUG_INSNs.  For a real insn, if there are queued DEBUG_INSN
        changes, call cprop_find_used_regs via note_stores.
        (copyprop_hardreg_forward): When copying vd from predecessor
        which has any queued DEBUG_INSN changes, make sure the pointers are
        cleared.  At the end call df_analyze and then if there are any
        DEBUG_INSN changes queued at the end of some basic block for still
        live registers, apply them.
        (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.

2010-02-25  Uros Bizjak  <ubizjak@gmail.com>

        * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
        (arm*-*-*): Ditto.

2010-02-25  H.J. Lu  <hongjiu.lu@intel.com>

        * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
        targets.  Set the default with_cpu/with_arch from arch/cpu.
        Allow x86-64 and native for with_cpu/with_arch.

2010-02-25  Nicolas Benoit  <nbenoit@tuxfamily.org>

        * ebitmap.c: Change calls to verify_popcount with calls to
        sbitmap_verify_popcount.
        (ebitmap_clear_bit): Fixed map->cacheindex test and
        map>cache update when bit clearing results in an empty
        element.

2010-02-25  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/43154
        * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
        (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
        and support both V2DF and V2DI modes.
        (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
        support both V2DF and V2DI modes.
        (general): Delete trailing whitespace from a few patterns.

        * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
        V2DF/V2DI interleave high/low builtins.

        * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
        new VSX builtins.

        * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
        interleave high/low functions.

2010-02-25  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
        #pragma extern_prefix.

2010-02-25  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43166
        * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
        BLKmode, assert op0 is a MEM and just adjust its mode.

        PR debug/43165
        * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
        if bitpos isn't multiple of mode's bitsize.

2010-02-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c.opt (-ftemplate-depth=): New.
        (-ftemplate-depth-): Deprecate.
        * optc-gen.awk: Handle -ftemplate-depth=.
        * opth-gen.awk: Likewise.
        * c-opts.c (c_common_handle_option): Likewise.
        * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.

2010-02-24  Jason Merrill  <jason@redhat.com>

        * doc/invoke.texi: Improve -Wabi and -fabi-version docs.

2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * cfg.c (alloc_aux_for_block): Remove inline.
        (alloc_aux_for_edge): Likewise.

2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.

2010-02-24  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
        * config/i386/sol2-gas.h: New file.
        * config.gcc (i[34567]86-*-solaris2*): Use it.

2010-02-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/43128
        * c-typeck.c (ep_convert_and_check): New.
        (build_conditional_expr): Use it.
        (build_binary_op): Likewise.

2010-02-24  Jakub Jelinek  <jakub@redhat.com>

        * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.

        PR debug/43150
        * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
        bounds even for -O+.
        * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
        expr needs to have DECL_NAME set.

2010-02-24  Nick Clifton  <nickc@redhat.com>

        * config/mep/mep.c: Include gimple.h.
        (mep_function_uses_sp): Delete unused function.
        (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
        parameters.  Use unsigned integers to count args.  Return a
        NULL_RTX instead of an error_mark_node.  Toidy up formatting.

2010-02-23  Jakub Jelinek  <jakub@redhat.com>

        PR target/43107
        * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
        greater or equal to nelt instead of 2 * nelt.
        (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
        with nelt - 1.

2010-02-23  Jason Merrill  <jason@redhat.com>

        PR debug/42800
        * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
        in cfun->local_decls even if they have register types.

        PR c++/42837
        * stor-layout.c (place_field): Don't warn about unnecessary
        DECL_PACKED if the type is packed.

2010-02-23  Jakub Jelinek  <jakub@redhat.com>

        PR target/43139
        * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
        GOTOFF relocs, even when the base reg isn't pic pointer.

2010-02-23  Michael Matz  <matz@suse.de>

        PR debug/43077
        * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
        (expand_gimple_basic_block): Generate and use debug temps if there
        are debug uses left after the last real use of TERed ssa names.
        Unlink debug immediate uses when they are expanded.

2010-02-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR 43123
        * config/i386/i386.c (override_options): Reorganise to provide
        better error messages.

2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43083
        * graphite-scop-detection.c (create_single_exit_edge): Move
        the call to find_single_exit_edge to....
        (create_sese_edges): ...here.  Don't handle multiple edges
        exiting the function.
        (build_graphite_scops): Don't handle multiple edges
        exiting the function.

2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43097
        * sese.c (get_rename): Assert that old_name is an SSA_NAME.
        (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.

2010-02-22  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/43026
        * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.

2010-02-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c++/43126
        * c-typeck.c (convert_arguments): Print declaration location.
        * c-common.c (validate_nargs): Rename as
        builtin_function_validate_nargs.
        (check_builtin_function_arguments): Update.

2010-02-22  Richard Guenther  <rguenther@suse.de>

        PR lto/43045
        * tree-inline.c (declare_return_variable): Use the type of
        the call stmt lhs if available.

2010-02-22  Duncan Sands  <baldrick@free.fr>

        * passes.c (register_pass): Always consider all pass lists when
        ref_pass_instance_number is zero.

2010-02-22  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/42749
        * tree-tailcall.c (adjust_return_value_with_ops): Drop update
        parameter.  Do arithmetic in the original type.
        (update_accumulator_with_ops): Likewise.
        (adjust_accumulator_values): Adjust.

2010-02-22  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
        (QI to BLKmode splitter): New splitter.

2010-02-22  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (initial_ix86_tune_features): Turn on
        X86_TUNE_INTER_UNIT_MOVES for m_ATOM.

2010-02-22  Richard Guenther  <rguenther@suse.de>

        * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.

2010-02-22  Hans-Peter Nilsson  <hp@bitrange.com>

        Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
        * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
        ($(T)crti.o, $(T)crtn.o): Remove rules.

2010-02-21  Tobias Burnus  <burnus@net-b.de>

        PR fortran/35259
        * doc/invoke.texi (-fassociative-math): Document that this
        option is automatically enabled for Fortran.

2010-02-20  David S. Miller  <davem@davemloft.net>

        * configure.ac: Test if linker and assembler properly support
        GOTDATA_OP relocations.
        * configure: Rebuild.
        * config.in: Likewise.
        * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
        (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
        (movsi_high_pic): Likewise.
        (movdi_lo_sum_pic): Likewise.
        (movdi_high_pic): Likewise.
        (movsi_pic_gotdata_op): New pattern.
        (movdi_pic_gotdata_op): Likewise.
        * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
        emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.

2010-02-20  Uros Bizjak  <ubizjak@gmail.com>

        PR target/43067
        * config/i386/sse.md (xop_mulv2div2di3_low): Change type
        attribute to ssemul.
        (xop_mulv2div2di3_high): Ditto.

2010-02-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c++/35669
        * c.opt (Wconversion-null): New option.
        * doc/invoke.texi (Wconversion-null): Document.

2010-02-20  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * common.opt (Wlarger-than-): Add Undocumented.

2010-02-19  Mike Stump  <mikestump@comcast.net>

        * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.

2010-02-19  Jason Merrill  <jason@redhat.com>

        PR target/40332
        * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
        * configure: Likewise.

2010-02-20  Alan Modra  <amodra@gmail.com>

        PR middle-end/42344
        * cgraph.h (cgraph_make_decl_local): Declare.
        * cgraph.c (cgraph_make_decl_local): New function.
        (cgraph_make_node_local): Use it.
        * cgraphunit.c (cgraph_function_versioning): Likewise.
        * ipa.c (function_and_variable_visibility): Likewise.

2010-02-19  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/43121
        * except.c (sjlj_emit_function_enter): Don't call
        add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
        directly.
        * rtl.h (add_reg_br_prob_note): Remove prototype.

2010-02-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR 41779
        * c-common.c (conversion_warning): Remove widening conversions
        before checking the conversion of integers to reals.

2010-02-19  Mike Stump  <mikestump@comcast.net>

        PR middle-end/43125
        * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.

        PR objc/43061
        * cgraphunit.c (process_function_and_variable_attributes): Check
        DECL_PRESERVE_P instead of looking up attribute "used".
        * ipa-pure-const.c (check_decl): Likewise.
        * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
        * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
        * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
        instead of attribute "used".
        * config/sol2-c.c (solaris_pragma_init): Likewise.
        (solaris_pragma_fini): Likewise.

2010-02-19  Jakub Jelinek  <jakub@redhat.com>

        * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
        Use XCNEW instead of xcalloc.
        (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
        XNEW instead of xmalloc.
        (get_fields): Use XNEWVEC instead of xmalloc.

        PR debug/43084
        * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
        populate vars array.
        (create_new_general_access): For debug stmts just reset value.
        (get_stmt_accesses): For accesses within debug stmts just record them
        using add_access_to_acc_sites instead of preventing the peeling or
        counting them as accesses.

        PR middle-end/42233
        * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.

2010-02-19  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/42916
        * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
        instructions.

2010-02-19  Andreas Schwab  <schwab@linux-m68k.org>

        * configure.ac: Replace all uses of changequote in macro arguments
        with proper quoting.

2010-02-19  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/42233
        * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.

2010-02-19  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/42944
        * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
        test for aliasing with errno.

2010-02-19  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/42233
        * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
        do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
        * dojump.c: Include output.h.
        (inv): New inline function.
        (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
        do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
        do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
        do_jump_by_parts_equality, do_compare_and_jump): Add PROB
        argument, pass it down to other calls.
        (do_compare_rtx_and_jump): Likewise.  If PROB is not -1,
        add REG_BR_PROB note to the conditional jump.
        * cfgexpand.c (add_reg_br_prob_note): Removed.
        (expand_gimple_cond): Don't call it, add the probability
        as last argument to jumpif_1/jumpifnot_1.
        * Makefile.in (dojump.o): Depend on output.h.
        * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
        callers.
        * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
        * stmt.c (do_jump_if_equal): Likewise.
        * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
        * loop-unswitch.c (compare_and_jump_seq): Likewise.
        * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
        Likewise.
        * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
        * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
        jumpifnot_1 callers.
        (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
        callers.
        (store_expr): Adjust jumpifnot caller.
        (store_constructor): Adjust jumpif caller.

        PR middle-end/42233
        * gimplify.c (gimple_boolify): For __builtin_expect call
        gimple_boolify also on its first argument.

2010-02-18  Uros Bizjak  <ubizjak@gmail.com>

        * configure.ac (gnu-unique-object): Wrap regexps using [] in
        changequote block.
        (__stack_chk_fail): Ditto.  Remove quadrigraphs.
        * configure: Regenerated.

2010-02-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
        lang_hooks.types_compatible_p instead of comptypes.

2010-02-18  Sebastian Huber  <sebastian.huber@embedded-brains.de>

        * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
        (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
        if __prefer_thumb__ is defined.

2010-02-18  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/43066
        * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
        array with zero-sized element type.

2010-02-18  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (add_var_loc_to_decl): Change last argument to
        rtx, allocate struct var_loc_node here and return it to the
        caller, and only if it is actually needed.
        (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
        move it earlier and return immediately if it returns NULL.

2010-02-17  Mikael Pettersson  <mikpe@it.uu.se>

        * config/sparc/gas.h: New file.  Restore
        TARGET_ASM_NAMED_SECTION to its ELF default.
        * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
        check !HAVE_GNU_AS.
        * config/sparc/sparc.c (sparc_elf_asm_named_section):
        Likewise.  Add ATTRIBUTE_UNUSED to prototype.
        * config.gcc (sparc*-*-linux*): Include sparc/gas.h
        after sparc/sysv4.h.

2010-02-17  Dave Korn  <dave.korn.cygwin@gmail.com>

        * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.

2010-02-17  Steven Bosscher  <steven@gcc.gnu.org>

        * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
        patterns from predicated pattern.

2010-02-17  Uros Bizjak  <ubizjak@gmail.com>

        PR target/43103
        * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
        for insn mnemonic suffix.

2010-02-17  Richard Guenther  <rguenther@suse.de>

        * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
        to loop PHI nodes.

2010-02-17  Jakub Jelinek  <jakub@redhat.com>

        PR debug/42918
        * caller-save.c (save_call_clobbered_regs): If BB ends with
        a DEBUG_INSN, move any notes in between last real insn and the last
        DEBUG_INSN after the last DEBUG_INSN.

2010-02-16  Joern Rennecke  <joern.rennecke@embecosm.com>

        * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
        Fix return type.  Fix argument type.  Explain meaning of return value.

2010-02-16  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/41043
        * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
        (vrp_visit_assignment_or_call): Do not ask SCEV for regular
        statements ...
        (vrp_visit_phi_node): ... but only for loop PHI nodes.

2010-02-16  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/43074
        * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
        * tree-vect-loop.c (vect_analyze_loop_operations): Add
        vectorizable cycles in hybrid SLP check.
        * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.

2010-02-16  Richard Guenther  <rguenther@suse.de>

        * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
        (true_dependence): If memrefs_conflict_p computes must-alias
        trust it.  Move TBAA check after offset-based disambiguation.
        (canon_true_dependence): Likewise.

2010-02-16  Alexandre Oliva  <aoliva@redhat.com>

        * params.def (PARAM_MAX_VARTRACK_SIZE): New.
        * doc/invoke.texi: Document it.
        * var-tracking.c: Include toplev.h and params.h.
        (vt_find_locations): Return bool indicating success.  Compute
        hash sizes unconditionally.  Check new parameter, report.
        (variable_tracking_main_1): Check vt_find_locations results and
        retry.  Renamed from...
        (variable_tracking_main): ... this.  New wrapper to preserve
        flag_var_tracking_assignments.
        * Makefile.in (var-tracking.o): Adjust dependencies.

2010-02-16  Jack Howarth  <howarth@bromo.med.uc.edu>
            Jakub Jelinek  <jakub@redhat.com>

        PR target/42854
        * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
        if weak_import attribute is present.
        * config/darwin.c (machopic_select_section): Likewise.

2010-02-15  Joern Rennecke  <joern.rennecke@embecosm.com>

        * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
        (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
        (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
        (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.

        * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
        types.

        * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
        Fix argument types.

        * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
        Rewrite text to refer to the names.

2010-02-15  Sebastian Pop  <sebastian.pop@amd.com>

        * config/i386/i386-builtin-types.def
        (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
        (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
        (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
        (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
        * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
        IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
        IX86_BUILTIN_VPERMIL2PS256.
        (MULTI_ARG_4_DF2_DI_I): Defined.
        (MULTI_ARG_4_DF2_DI_I1): Defined.
        (MULTI_ARG_4_SF2_SI_I): Defined.
        (MULTI_ARG_4_SF2_SI_I1): Defined.
        (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
        __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
        __builtin_ia32_vpermil2ps256.
        (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
        MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
        MULTI_ARG_4_SF2_SI_I1.  Handle builtins with 4 arguments.
        (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
        MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
        MULTI_ARG_4_SF2_SI_I1.  Handle CODE_FOR_xop_vpermil2v2df3,
        CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
        CODE_FOR_xop_vpermil2v8sf3.
        * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
        * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
        * config/i386/xopintrin.h (_mm_permute2_pd): New.
        (_mm256_permute2_pd): New.
        (_mm_permute2_ps): New.
        (_mm256_permute2_ps): New.

2010-02-15  Nick Clifton  <nickc@redhat.com>

        * config/h8300/h8300.c (h8300_push_pop): Use bool type for
        boolean parameters.  Use emit_jump_insn when emitting a pop
        instruction containing a return insn.
        (push): Use 'true' rather than '1' as second parameter to F.
        (h8300_expand_prologue): Likewise.
        Use 'true' and 'false' for boolean parameters to h8300_push_pop.
        (h8300_expand_epilogue): Likewise.

2010-02-15  Richard Guenther  <rguenther@suse.de>

        PR middle-end/43068
        * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
        if that is zero.

2010-02-15  Nick Clifton  <nickc@redhat.com>

        * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
        delta.

2010-02-14  Marco Poletti  <poletti.marco@gmail.com>

        * intl.c (fake_ngettext): New function.
        * intl.h (fake_ngettext): Declare.
        (ngettext): Define macro.
        * collect2.c (notice_translated): New function.
        (main): Use notice_translated and ngettext.
        * collect2.h (notice_translated): Declare.

2010-02-14  Steven Bosscher  <steven@gcc.gnu.org>

        * reorg.c (delete_computation): Comment fixes.
        * caller-save.c (setup_save_areas): Idem.
        * sel-sched-dump.c (dump_lv_set): Idem.
        * rtl.def: Idem.

2010-02-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (s390_sched_init): New function.
        (TARGET_SCHED_INIT): Target hook defined.

2010-02-12  Dave Korn  <dave.korn.cygwin@gmail.com>
            Jack Howarth  <howarth@bromo.med.uc.edu>
            Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>

        PR target/42982
        Partial revert of unintended change in fix for PR41605.
        * config/darwin.h: Fix typo.
        * config/darwin9.h: Same.

2010-02-11  Jakub Jelinek  <jakub@redhat.com>

        * c-pch.c (pch_init): Clear v.

2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42930
        * graphite-scop-detection.c (graphite_can_represent_scev): Call
        graphite_can_represent_init for MULT_EXPR.

2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42914
        PR middle-end/42530
        * graphite-sese-to-poly.c (remove_phi): New.
        (translate_scalar_reduction_to_array): Call remove_phi.

2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42771
        * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
        * graphite-clast-to-gimple.h (gloog): Update declaration.
        * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
        * graphite-poly.h (struct poly_bb): Add missing comments.
        (struct scop): Add poly_scop_p field.
        (POLY_SCOP_P): New.
        * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
        * graphite.c (graphite_transform_loops): Build the polyhedral
        representation for each scop before code generation.
        * sese.c (rename_variables_in_operand): Removed.
        (rename_variables_in_expr): Return the renamed expression.
        (rename_sese_parameters): New.
        * sese.h (rename_sese_parameters): Declared.

2010-02-11  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/42998
        * tree-ssa-pre.c (create_expression_by_pieces): Treat
        POINTER_PLUS_EXPR properly.

2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>
            Changpeng Fang  <changpeng.fang@amd.com>

        PR middle-end/40886
        * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
        the cost of an IV candidate when the IV is used in a test against zero.

        * gcc.dg/tree-ssa/ivopts-3.c: New.

2010-02-11  Richard Guenther  <rguenther@suse.de>

        PR lto/41664
        * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
        pointer-vs-decl case by swapping refs.  Handle some cases
        of pointer-vs-decl disambiguations more conservatively.
        * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
        to false after expanding.

2010-02-11  Richard Guenther  <rguenther@suse.de>

        PR driver/43021
        * gcc.c (process_command): Handle LTO file@offset case more
        appropriately.

2010-02-11  Jakub Jelinek  <jakub@redhat.com>

        * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
        modifications outside of the DEBUG_INSN.  Accept CLOBBERs inside
        of DEBUG_INSNs.
        (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.

        * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
        if MEM's mode size isn't DWARF2_ADDR_SIZE.
        (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
        Optimize eq/ne comparisons when both arguments are known to be
        zero-extended.
        (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
        Don't mask operands unnecessarily if they are known to be already
        zero-extended.

2010-02-10  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
        instead of loop.

2010-02-10  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43017
        * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
        for wrapping signed arithmetic.

2010-02-10  Jakub Jelinek  <jakub@redhat.com>

        PR debug/43010
        * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
        if no debug info should be emitted for it.

2010-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
        note when flag_exceptions is set.

2010-02-10  Duncan Sands  <baldrick@free.fr>

        * Makefile.in (PLUGIN_HEADERS): Add debug.h.

2010-02-10  Richard Guenther  <rguenther@suse.de>

        PR c/43007
        * tree.c (get_unwidened): Handle constants.
        * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.

2010-02-10  Martin Jambor  <mjambor@suse.cz>

        PR lto/42985
        * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
        check for variable argument counts independently.

2010-02-10  Christian Bruel  <christian.bruel@st.com>

        PR target/42841
        * config/sh/sh.c (find_barrier): Increase length for non delayed
        conditional branches.

2010-02-10  Christian Bruel  <christian.bruel@st.com>

        * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.

2010-02-10  Jakub Jelinek  <jakub@redhat.com>

        * builtins.c (set_builtin_user_assembler_name): Also handle
        ffs if int is smaller than word.

2010-02-09  Vladimir Makarov  <vmakarov@redhat.com>

        PR middle-end/42973
        * ira-conflicts.c (get_dup): Remove.
        (process_reg_shuffles): Add new parameter.  Use it as an
        additional guard for copy generation.
        (add_insn_allocno_copies): Rewrite.

2010-02-09  Alexander Monakov  <amonakov@ispras.ru>

        * common.opt (fsched2-use-traces): Preserved for backward
        compatibility.
        * doc/invoke.texi: Remove the documentation about option
        -fsched2-use-traces.
        * sched-rgn.c (rest_of_handle_sched2): Remove usage of
        flag_sched2_use_traces.
        * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
        the backward compatibility flag section.

2010-02-09  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43008
        * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
        make HEAP variables initialized from global memory if they
        are not known builtin functions.
        (find_func_aliases): Adjust.

2010-02-09  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43000
        * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
        arithmetic manually.

2010-02-08  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/42931
        * tree-loop-linear.c (try_interchange_loops): Don't call
        double_int_mul if estimated_loop_iterations failed.

2010-02-08  Martin Jambor  <mjambor@suse.cz>

        PR middle-end/42898
        * tree-sra.c (build_accesses_from_assign): Do not mark in
        should_scalarize_away_bitmap if stmt has volatile ops.
        (sra_modify_assign): Do not process assigns piecemeal if if stmt
        has volatile ops.

2010-02-08  Joern Rennecke  <joern.rennecke@embecosm.com>

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

2010-02-07  Adam Nemet  <adambnmet@gmail.com>

        * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
        before the pattern.

2010-02-07  Andrew Pinski  <pinskia@gmail.com>

        PR middle-end/42946
        * df-core.c (df_finish_pass): Change type of saved_flags to int.

2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/42988
        * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
        to unknown_dependence.
        (graphite_legal_transform_dr): Handle the unknown_dependence.
        (graphite_carried_dependence_level_k): Same.

2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>

        * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.

2010-02-07  Richard Guenther  <rguenther@suse.de>

        PR middle-end/42991
        * expr.c (get_inner_reference): Always initialize *pbitsize.

2010-02-07  Richard Guenther  <rguenther@suse.de>

        PR middle-end/42956
        * gimplify.c (gimple_fold_indirect_ref): Avoid generating
        new ARRAY_REFs on variable size element or minimal index arrays.
        Complete.
        * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
        gimple_fold_indirect_ref.

2010-02-06  Richard Earnshaw  <rearnsha@arm.com>

        PR target/42957
        * arm.c (arm_override_options): Just return if the user has specified
        an invalid fpu name.

2010-02-03  Jason Merrill  <jason@redhat.com>

        PR c++/42870
        * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
        i386_pe_maybe_record_exported_symbol.

2010-02-05  Steve Ellcey  <sje@cup.hp.com>

        PR target/42924
        * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
        (pa_delegitimize_address): New function.

2010-02-05  Ozkan Sezer  <sezeroz@gmail.com>

        * config/i386/msformat-c.c (ms_printf_length_specs): Set the
        scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.

2010-02-05  Richard Guenther  <rguenther@suse.de>

        PR lto/42762
        * lto-streamer-in.c (get_resolution): Deal with references
        to undefined functions.

2010-02-05  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
        (fold_const_aggregate_ref): Likewise.
        (ccp_fold_stmt): Substitute loads.
        (maybe_fold_reference): Verify types before substituting.
        Unshare properly.
        (fold_gimple_assign): Unshare properly.
        (fold_stmt_1): Insert conversion if necessary before replacing the RHS.

2010-02-05  Nathan Froyd  <froydnj@codesourcery.com>

        * config/rs6000/rs6000.c (rs6000_override_options): Invert check
        for rs6000_gen_cell_microcode.

2010-02-04  Richard Guenther  <rguenther@suse.de>

        PR rtl-optimization/42952
        * dse.c (const_or_frame_p): Remove MEM handling.

2010-02-04  Nick Clifton  <nickc@redhat.com>

        * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
        (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
        (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
        (mn10300_asm_output_mi_thunk): New function.
        (mn10300_can_output_mu_thunk): New function.
        * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
        (FUNCTION_ARG_REGNO_P): Fix comment.  Accept d0 and d1.
        (FUNCTION_ARG): Delete incorrect comment.

2010-02-03  Jason Merrill  <jason@redhat.com>

        PR c++/40138
        * fold-const.c (operand_equal_p): Handle erroneous types.

2010-02-03  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>

        * config/h8300/h8300.md (can_delay): Fix attibute condition.

2010-02-03  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/42941
        * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
        of xmalloc.

2010-02-03  Jason Merrill  <jason@redhat.com>

        PR c++/35652
        * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.

2010-02-03  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/42896
        * cselib.h (struct cselib_val_struct): Add uid.  Rename value to hash.
        (cselib_reset_table): Renamed from...
        (cselib_reset_table_with_next_value): ... this.
        (cselib_get_next_uid): Renamed from...
        (cselib_get_next_unknown_value): ... this.
        * cselib.c (next_uid): Renamed from...
        (next_unknown_value): ... this.
        (cselib_clear_table): Adjust.
        (cselib_reset_table): Adjust.  Renamed from...
        (cselib_reset_table_with_next_value): ... this.
        (cselib_get_next_uid): Adjust.  Renamed from...
        (cselib_get_next_unknown_value): ... this.
        (get_value_hash): Use hash.
        (cselib_hash_rtx): Likewise.
        (new_cselib_val): Adjust.  Set and dump uid.
        (cselib_lookup_mem): Pass next_uid as hash.
        (cselib_subst_to_values): Likewise.
        (cselib_log_lookup): Dump uid.
        (cselib_lookup): Pass next_uid as hash.  Adjust.
        (cselib_process_insn): Adjust.
        (cselib_init): Initialize next_uid.
        (cselib_finish): Adjust.
        (dump_cselib_table): Likewise.
        * dse.c (canon_address): Dump value uid.
        * print-rtl.c (print_rtx): Print value uid.
        * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
        (dvuid): New type.
        (dv_uid): New function, sort of renamed from...
        (dv_htab_hash): ... this, reimplemented in terms of it and...
        (dv_uid2hash): ... this.  New.
        (variable_htab_eq): Drop excess assertions.
        (tie_break_pointers): Removed.
        (canon_value_cmp): Compare uids.
        (variable_post_merge_New_vals): Print uids.
        (vt_add_function_parameters): Adjust.
        (vt_initialize): Reset table.  Adjust.

2010-02-03  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/42944
        * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
        (call_may_clobber_ref_p_1): Likewise.  Properly handle
        malloc and calloc clobbering errno.

2010-02-03  Steven Bosscher  <steven@gcc.gnu.org>

        * doc/invoke.texi: Fix name of sched1 dump.

        * opts.c (decode_options): Set flag_tree_switch_conversion
        only conditionally on optimize >= 2.

        * gcse.c: Assorted comment fixes in pass description.

2010-02-03  Anthony Green  <green@moxielogic.com>

        * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
        nop padding in order to maintain alignment of storage location of
        target function address.
        (moxie_trampoline_init): Store target function address at newly
        aligned location.
        * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
        to 32.
        (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.

2010-02-03  Richard Guenther  <rguenther@suse.de>

        PR middle-end/42927
        * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.

2010-02-03  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config.gcc: Reenable check for obsolete targets.
        Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
        mips-sgi-irix6.[0-4]*.

2010-02-02  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
        constant size of 4 as being the same as 0.
        * doc/invoke.texi (RX Options): Document that -mmax-constant-size
        can take values in the range 0..4.

2010-02-02  Jack Howarth  <howarth@bromo.med.uc.edu>

        PR java/41991
        * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
        as _darwin10_Unwind_FindEnclosingFunction().
        * libgcc-libsystem.ver: New.

2010-02-01  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/41399
        * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
        implicitly set registers.

2010-02-01  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
        (arm_override_options): Allow automatic selection of the thread
        pointer register if thumb2.
        (legitimize_pic_address): Improve code sequences for Thumb2.
        (arm_call_tls_get_addr): Likewise.
        (legitimize_tls_address): Likewise.
        * arm.md (pic_load_addr_arm): Delete.  Replace with ...
        (pic_load_addr_32bit): ... this.  New named pattern.
        * thumb2.md (pic_load_addr_thumb2): Delete.
        (pic_load_dot_plus_four): Delete.
        (tls_load_dot_plus_four): New named pattern.

2010-02-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR libgomp/29986
        * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
        Document fix for TLS bug.

2010-01-31  Richard Guenther  <rguenther@suse.de>

        * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
        conservatively correct.

2010-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/42850
        Revert:
        2010-01-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.

2010-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * doc/install.texi: Update recommended GMP/MPFR/MPC versions.

2010-01-31  Kai Tietz  <kai.tietz@onevision.com>

        * config.gcc: Adjust order of makefile fragments for mingw targets.

2010-01-31  Richard Guenther  <rguenther@suse.de>

        PR middle-end/42898
        * gimplify.c (gimplify_init_constructor): For volatile LHS
        initialize a temporary.

2010-01-31  Matthias Klose  <doko@ubuntu.com>

        * configure.ac: Fix __stack_chk_fail check for cross builds configured
        --with-headers
        * configure: Regenerate.

2010-01-29  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
        the same alias set and their sizes different constantness.
        (aliasing_component_refs_p): Revert 2009-10-24 change.

2010-01-29  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
        unused.

2010-01-29  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
        Assert we successfully updated the call.

2010-01-29  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/42889
        * df.h (df_set_bb_dirty_nonlr): New prototype.
        * df-core.c (df_set_bb_dirty_nonlr): New function.
        * df-scan.c (df_insn_rescan): Call it instead of
        df_set_bb_dirty for DEBUG_INSNs.

2010-01-29  Richard Guenther  <rguenther@suse.de>

        PR middle-end/37448
        * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
        quadratic behavior in most cases.

2010-01-28  Uros Bizjak  <ubizjak@gmail.com>

        PR target/42891
        * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
        in the call to gen_x86_movsicc_0_m1.

2010-01-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/42871
        * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.

2010-01-28  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
        into call arguments.

2010-01-28  Richard Guenther  <rguenther@suse.de>

        PR middle-end/42883
        * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
        the forwarder if the destination is an EH landing pad.

2010-01-28  Razya Ladelsky  <razya@il.ibm.com>

        * tree-parloops.c (transform_to_exit_first_loop): Update the basic
        block list passed to gimple_duplicate_sese_tail.
        (parallelize_loops): Avoid parallelization when the function
        has_nonlocal_label.
        Avoid parallelization when the preheader is IRREDUCIBLE.
        Try to optimize when estimated_loop_iterations_int is unresolved.
        Add the loop's location to the dump file.
        * tree-cfg.c (add_phi_args_after_redirect): Remove.
        (gimple_duplicate_sese_tail): Remove the check for the latch.
        Redirect nexits to the exit block.
        Remove handling of the incoming edges to the latch.
        Redirect the backedge from the copied latch to the exit bb.

2010-01-28  Michael Matz  <matz@suse.de>

        PR target/42881
        * config/i386/i386.c (ix86_expand_vector_init_duplicate):
        Wrap force_reg into a sequence, emit it before user.

2010-01-28  Stephen Thomas  <stephen.thomas@arm.com>

        * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
        (arm_rev): New.
        (arm_legacy_rev): Likewise.
        (thumb_legacy_rev): Likewise.

2010-01-27  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (mem_loc_descriptor): Remove special casing of
        CONSTANT_POOL_ADDRESS_P SYMBOL_REFs.  If for MEM recursive call
        on MEM's address failed, try avoid_constant_pool_reference and
        recurse if it returned something different.
        (loc_descriptor): If for MEM mem_loc_descriptor failed on the
        address, try avoid_constant_pool_reference and recurse if it
        returned something different.
        (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
        address and avoid_constant_pool_reference returned something
        different, don't set have_address.

2010-01-27  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/42861
        * var-tracking.c (val_store): Add modified argument, obey it.
        Adjust callers.
        (count_uses): Move down logging of main.
        (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
        don't need resolution.
        (emit_notes_in_bb): Likewise.

2010-01-27  Richard Guenther  <rguenther@suse.de>

        PR middle-end/42878
        * tree-inline.c (remap_decl): Delay remapping of SSA name
        default definitions until we need them.

2010-01-27  Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
        (rs6000_delegitimize_address): New function.

        * config/s390/s390.c (s390_delegitimize_address): Call
        delegitimize_mem_from_attrs.

        PR middle-end/42874
        * tree-inline.c (cannot_copy_type_1): Removed.
        (copy_forbidden): Don't forbid copying of functions containing
        records/unions with variable length fields.

2010-01-27  Christian Bruel  <christian.bruel@st.com>

        Revert:
        PR target/42841
        * config/sh/sh.c (find_barrier): Increase length for non delayed
        conditional branches.

2010-01-27  Matthias Klose  <doko@ubuntu.com>

        * configure.ac (gnu-unique-object): Fix ldd version check.
        * configure: Regenerate.

2010-01-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
        HAVE_GNU_AS value.
        * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
        Test for HAVE_GNU_AS value.

2010-01-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
        * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
        INT64_TYPE): Define.
        (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
        (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
        INT_LEAST64_TYPE): Define.
        (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
        UINT_LEAST64_TYPE): Define.
        (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
        INT_FAST64_TYPE): Define.
        (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
        UINT_FAST64_TYPE): Define.
        (INTMAX_TYPE, UINTMAX_TYPE): Define.
        (INTPTR_TYPE, UINTPTR_TYPE): Define.
        (SIG_ATOMIC_TYPE): Define.

2010-01-26  Richard Guenther  <rguenther@suse.de>

        * df-scan.c (df_scan_set_bb_info): Remove assert.
        (df_insn_rescan_debug_internal): Merge asserts.
        (df_install_ref): Likewise.
        (df_mark_reg): Use bitmap_set_range.
        (df_hard_reg_used_p): Remove assert.
        (df_hard_reg_used_count): Likewise.

2010-01-26  Richard Guenther  <rguenther@suse.de>

        PR rtl-optimization/42685
        * web.c (web_main): Ignore DEBUG_INSNs.

2010-01-26  Joern Rennecke  <amylaar@spamcop.net>

        * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.

        (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
        Fix types of fndecl and arglist parameters.

2010-01-26  Richard Guenther  <rguenther@suse.de>

        PR middle-end/42806
        * tree-eh.c (unsplit_eh): Skip debug insns.

2010-01-26  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/42250
        * ipa-type-escape.c (type_escape_execute): Do not analyze clones.

2010-01-26  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/42866
        * omp-low.c (expand_omp_sections): Only use single_pred if
        l2_bb is single_pred_p.

2010-01-25  Christian Bruel  <christian.bruel@st.com>

        PR target/42841
        * config/sh/sh.c (find_barrier): Increase length for non delayed
        conditional branches.
        (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.

2010-01-24  David S. Miller  <davem@davemloft.net>

        * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
        define if not using GAS.
        * config/sparc/sparc.c (sparc_elf_asm_named_section):
        Likewise.  Delete SECTION_MERGE code, which is only applicable
        when using GAS.

2010-01-24  Mark Mitchell  <mark@codesourcery.com>

        PR c++/42748
        * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
        mangling of va_list in system headers.

2010-01-23  Toon Moene  <toon@moene.org>

        * tree-predcom.c (combine_chains): Return NULL, not false.

2010-01-23  Joern Rennecke  <amylaar@spamcop.net>

        * tree-loop-distribution.c (distribute_loop): Fix declaration and
        initialization of variable res to agree with return type.

2010-01-22  Steve Ellcey  <sje@cup.hp.com>

        * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
        * tree-sra.c: Add include of expr.h.

2010-01-22  Jakub Jelinek  <jakub@redhat.com>

        * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
        insert the debug stmt on the single non-EH edge from the stmt.

2010-01-22  Richard Henderson  <rth@redhat.com>

        PR tree-opt/42833
        * tree-sra.c (sra_modify_assign): Delay re-gimplification of
        the RHS until after generate_subtree_copies has insertted its
        code before the current statement.

2010-01-22  Joern Rennecke  <amylaar@spamcop.net>

        * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.

        * gcc-plugin.h (plugin_init): Use "C" likage for c++.

2010-01-21  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/42585
        * tree-sra.c (struct access): New field grp_total_scalarization.
        (dump_access): Dump the new field.
        (should_scalarize_away_bitmap): New variable.
        (cannot_scalarize_away_bitmap): Likewise.
        (sra_initialize): Allocate new bitmaps.
        (sra_deinitialize): Free new bitmaps.
        (create_access_1): New function.
        (create_access): Parts moved to create_access_1.
        (type_consists_of_records_p): New function.
        (completely_scalarize_record): Likewise.
        (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
        (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
        (sort_and_splice_var_accesses): Hint groups with a total_scalarization
        access.
        (analyze_all_variable_accesses): Completely scalarize small eligible
        records.

2010-01-21  Martin Jambor  <mjambor@suse.cz>

        * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.

2010-01-21  Andrew Haley  <aph@redhat.com>

        * gcc.c (process_command): Move lang_specific_driver before
        setting cc_libexec_prefix.

2010-01-21  Richard Guenther  <rguenther@suse.de>

        PR middle-end/19988
        * fold-const.c (negate_expr_p): Pretend only negative
        real constants are easily negatable.

2010-01-20  Janis Johnson  <janis187@us.ibm.com>
            Jason Merrill  <jason@redhat.com>

        * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
        (TYPE_TRANSPARENT_AGGR): this, for union and record.
        * calls.c (initialize argument_information): Handle it.
        * c-common.c (handle_transparent_union_attribute): Use new name.
        * c-decl.c (finish_struct): Ditto.
        * c-typeck.c (type_lists_compatible_p): Ditto.
        (convert_for_assignment): Use new name and also handle record.
        * function.c (aggregate_value_p): Handle it.
        (pass_by_reference): Ditto.
        (assign_parm_data_types): Ditto.
        * print-tree.c (print_node): Ditto.
        * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
        * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
        * tree.c (first_field): New fn.

2010-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR target/42818
        * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
        even when linking statically, for now.

2010-01-20  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/42715
        * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
        without a cselib val.
        (count_uses): Accept MO_VAL_SET with no val on stores.
        (add_stores): Likewise.

2010-01-20  Jakub Jelinek  <jakub@redhat.com>

        * var-tracking.c (check_value_val): Add a compile time assertion.
        (dv_is_decl_p): Simplify.
        (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
        gcc_assert if ENABLE_CHECKING.

2010-01-20  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/42782
        * var-tracking.c: Include tree-flow.h.
        (mem_dies_at_call): New.
        (dataflow_set_preserve_mem_locs): Use it.
        (dataflow_set_remove_mem_locs): Likewise.
        (dump_var): Renamed from dump_variable.  Adjust all callers.
        (dump_var_slot): Renamed from dump_variable_slot.  Likewise.
        * Makefile.in (var-tracking.o): Adjust deps.

2010-01-20  Joern Rennecke  <amylaar@spamcop.net>

        * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.

2010-01-20  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/42717
        * tree-ssa-dce.c (get_live_post_dom): Remove.
        (forward_edge_to_pdom): Take an arbitrary edge to copy
        degenerate PHI args from.
        (remove_dead_stmt): Use the first post-dominator even if it
        does not contain live statements as redirection destination.

2010-01-20  Richard Guenther  <rguenther@suse.de>

        * tree-inline.c (estimate_num_insns): Handle EH builtins.

2010-01-20  Jakub Jelinek  <jakub@redhat.com>

        * sel-sched.c (create_speculation_check): Remove set but not used
        variable twin.
        (try_transformation_cache): Remove set but not used variable ds.
        (calculate_privileged_insns): Remove set but not used variables
        cur_insn and min_spec_insn.
        (find_best_expr): Remove set but not used variable avail_n.
        * tree-predcom.c (base_names_in_chain_on): Remove set but not used
        variable e.
        * cgraphunit.c (assemble_thunk): Remove set but not used variable
        false_label.
        * haifa-sched.c (remove_notes): Remove set but not used variable prev.
        * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
        new_scop_exit_edge.

2010-01-20  Felyza Wishbringer  <fwishbringer@gmail.com>

        PR bootstrap/42786
        * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
        cpu types.  Add support for *-sse3 cpu types.
        (x86_64-*-*): Ditto.

2010-01-20  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/42803
        * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
        argument, call initializer_constant_valid_p_1 instead of
        initializer_constant_valid_p, pass CACHE to it, return NULL
        immediately if first call returns NULL.
        (initializer_constant_valid_p_1): New function.
        (initializer_constant_valid_p): Use it.

2010-01-20  Thomas Quinot  <quinot@adacore.com>

        * tree.def (PLACEHOLDER_EXPR): Fix comment.

2010-01-20  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
        of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
        (loc_list_from_tree): Don't handle unsigned division.  Handle
        signed modulo using DW_OP_{over,over,div,mul,minus}.
        * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
        modulo instead of signed.

2010-01-20  DJ Delorie  <dj@redhat.com>

        * config/h8300/h8300.c (F): Add "in_epilogue" flag.
        (Fpa): Pass it
        (h8300_emit_stack_adjustment): Propogate it.
        (push): Pass it.
        (h8300_expand_prologue): Likewise.
        (h8300_expand_epilogue): Likewise.

2010-01-19  Michael Matz  <matz@suse.de>

        PR tree-optimization/41783
        * tree-data-ref.c (toplevel): Include flags.h.
        (dump_data_dependence_relation):  Also dump the inputs if the
        result will be unknown.
        (split_constant_offset_1): Look through some conversions.
        * tree-predcom.c (determine_roots_comp): Restart a new chain if
        the offset from last element is too large.
        (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
        (reassociate_to_the_same_stmt): Handle vector registers.
        * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
        (e.g. conversions).
        * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
        wide_prolog_niters argument, emit widening instructions.
        (vect_do_peeling_for_alignment): Adjust caller, use widened
        variant of the iteration cound.
        * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).

2010-01-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        PR target/38697
        * config/arm/neon-testgen.m (emit_automatics): New parameter
        features. Adjust for Fixed_return_reg feature.
        (test_intrinsic): Call emit_automatics with new feature.
        * config/arm/neon.ml: Update copyright years.
        (features): New Fixed_return_reg feature.
        (ops): Update feature for Vget_low.

2010-01-19  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/42719
        * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
        stmt uses.

        PR debug/42728
        * fwprop.c (all_uses_available_at): Return false if def_set dest
        is a REG that is used in def_insn.

2010-01-19  Joern Rennecke  <amylaar@spamcop.net>

        * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.

        (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
        Add argument names.

        (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.

        * target.h (struct gcc_target) <secondary_reload>: Change type
        of last argument to secondary_reload_info *.

2010-01-18  Uros Bizjak  <ubizjak@gmail.com>

        PR target/42774
        * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
        memory references with unaligned offsets.  Remove CQImode handling.
        (unaligned_memory_operand): Return 1 for memory references with
        unaligned offsets.  Remove CQImode handling.

2010-01-18  Richard Guenther  <rguenther@suse.de>

        PR middle-end/39954
        * cfgexpand.c (expand_call_stmt): TER pointer arguments in
        builtin calls.

2010-01-18  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/42781
        * tree-ssa-structalias.c (find_what_var_points_to): Skip
        restrict processing only if the original variable was artificial.

2010-01-18  Joern Rennecke  <amylaar@spamcop.net>

        * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
        find number of popped argument bytes.

        (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
        Fix the text that describes the return value for invalid insns.

        (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type.  Fix argument list.

        (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
        Clarify what 'cost of the -dependence' is.  Fix quoting.

        * toplev.c (default_get_pch_validity): Rename argument to "sz".
        * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.

2010-01-17  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (mem_loc_descriptor): Don't ICE on
        {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.

2010-01-17  Richard Guenther  <rguenther@suse.de>

        PR middle-end/42248
        * function.c (split_complex_args): Take a VEC to modify.
        (assign_parms_augmented_arg_list): Build a VEC instead of
        a chain of PARM_DECLs.
        (assign_parms_unsplit_complex): Take a VEC of arguments.
        Do not fixup unmodified parms.
        (assign_parms): Deal with the VEC.
        (gimplify_parameters): Likewise.

2010-01-17  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
        node existence check.
        * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
        * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
        * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
        * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
        (gimple_execute_on_growing_pred): Likewise.

2010-01-17  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/42773
        * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
        (compute_antic_aux): Likewise.
        (compute_partial_antic_aux): Likewise.

2010-01-17  Jie Zhang  <jie.zhang@analog.com>

        PR debug/42767
        * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
        and US_TRUNCATE.

2010-01-17  Joern Rennecke  <amylaar@spamcop.net>

        * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
        appearance.

        (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
        Fix markup for strict argument.

        (TARGET_SCHED_REORDER2): Fix argument types.

        (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
        (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.

        (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
        (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.

        (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
        Add argument name.

        (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
        (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
        (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
        (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
        (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.

        (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.

        (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.

        (TARGET_ASM_RELOC_RW_MASK): Add return type.
        (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.

        (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.

        (TARGET_ASM_FILE_START): Put @findex before paragraph start.
        Use prototype.

        (TARGET_ASM_NAMED_SECTION): Fix argument list.

        (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
        (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.

        (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.

        (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.

        (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
        referring to it.  Fix language.

        (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.

        (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.

        (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.

        (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.

        (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
        '@var{stream}.  Remove stray 'and'.

        (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.

        (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.

        (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.

        (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
        misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.

        (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
        Fix description of return value.
        Rename argument "sz" to "len."

        (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
        Clarify meaning of 'true' return value.

        (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.

        (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
        rep_mode versus mode_rep.

        (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.

        (TARGET_BUILTIN_DECL): Fix name.

        (TARGET_COMMUTATIVE_P): Fix type of first argument.

        (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.

        (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.

        (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.

        (TARGET_RELAXED_ORDERING): Use @deftypevr.

        (TARGET_GET_DRAP_RTX): Note that this is a hook.
        Clarify language.

        (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
        Rename argument tm_fn to md_fn.

        (TARGET_OPTION_PRINT): Fix argument list.

2010-01-16  Harsha Jagasia  <harsha.jagasia@amd.com>

        PR target/42664
        * config/i386/i386.c (ix86_fixup_binary_operands):
        Revert FMA4 fixup of operands.

2010-01-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR gcc/42525
        * Makefile.in (write_entries_to_file, install-plugin):
        Use \012 instead of \n with tr.

2010-01-16  Richard Sandiford  <r.sandiford@uk.ibm.com>

        * configure.ac (HAVE_AS_REF): New C macro.
        * configure: Regenerate.
        * config.in: Likewise.
        * collect2.c (main): Only postpone SCAN_DWEH to the second pass
        if HAVE_AS_REF.
        * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
        if HAVE_AS_REF.

2010-01-16  Joern Rennecke  <amylaar@spamcop.net>

        * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.

        (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.

        (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.

        (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.

        (TARGET_IN_SMALL_DATA_P): Fix argument type.

        (TARGET_BINDS_LOCAL_P): Fix argument type.

        (TARGET_ASM_FILE_END): Use prototype.

        (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.

        (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.

        (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.

        (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.

        (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
        (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.

        (TARGET_PCH_VALID_P): Put 'const char *' in braces.
        (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.

        (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
        (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
        (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
        (TARGET_ADDR_SPACE_CONVERT): Likewise.

        (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.

        (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.

        (TARGET_INIT_BUILTINS): Use prototype.

        (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
        Put 'const char *' in braces.  Fix parameter types.
        (TARGET_INVALID_CONVERSION): Fix parameter types.
        (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
        (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.

        (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
        Fix argument type.

        (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.

        (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.

2010-01-15  Joern Rennecke  <amylaar@spamcop.net>

        * doc/tm.texi (TARGET_HELP): Fix return type.

        (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
        in braces.  Fix argument types.

        (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.

        (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.

        (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.

        (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
        (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.

        (TARGET_MANGLE_TYPE): Fix argument types.

        (TARGET_IRA_COVER_CLASSES): Use prototype.

        (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type.  Use prototype.

        (TARGET_CAN_ELIMINATE): Use identifiers for argument names.

        (TARGET_PROMOTE_PROTOTYPES): Fix argument type.

        (TARGET_MUST_PASS_IN_STACK): Fix argument type.

        (TARGET_CALLEE_COPIES): Fix argument types.

        (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.

        (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.

        (TARGET_FUNCTION_VALUE): Fix argument types.

        (TARGET_RETURN_IN_MSB): Fix argument type.

        (TARGET_RETURN_IN_MEMORY): Fix argument types.

        (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.

        (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.

        (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
        agree with return type.

        (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.

2010-01-15  Jing Yu  <jingyu@google.com>

        PR rtl-optimization/42691
        * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
        a pseudo to a constant and are merged, and adjust comments.

2010-01-15  Eric Botcazou  <ebotcazou@adacore.com>

        * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.

2010-01-15  Richard Guenther  <rguenther@suse.de>

        PR middle-end/42739
        * tree-cfgcleanup.c (remove_forwarder_block): Move destination
        labels of computed or non-local gotos to the destination.
        * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
        landing pad label is the first label.

2010-01-15  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.

2010-01-14  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/42747
        * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
        to allow generation of the xssqrtdp instruction on power7.
        (sqrtdf2_fpr): Ditto.

2010-01-14  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/42674
        * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
        functions with noreturn attribute.

        PR c++/42608
        * varasm.c (declare_weak): Add weak attribute to decl if it
        doesn't have one already.
        (assemble_external): Only add decls to weak_decls if they also
        have weak attribute.

2010-01-14  Alexandre Oliva  <aoliva@redhat.com>

        * var-tracking.c (var_reg_delete): Don't delete the association
        between REGs and values or one-part variables if the register
        isn't clobbered.

2010-01-14  Jakub Jelinek  <jakub@redhat.com>

        PR debug/42657
        * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
        because its first operand is a non-localized variable.

2010-01-14  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/42706
        * tree-sra.c (encountered_recursive_call): New variable.
        (encountered_unchangable_recursive_call): Likewise.
        (sra_initialize): Initialize both new variables.
        (callsite_has_enough_arguments_p): New function.
        (scan_function): Call decl and flags check only for IPA-SRA, check
        whether there is a recursive call and whether it has enough arguments.
        (all_callers_have_enough_arguments_p): New function.
        (convert_callers): Look for recursive calls only when
        encountered_recursive_call is set.
        (ipa_early_sra): Bail out either if
        !all_callers_have_enough_arguments_p or
        encountered_unchangable_recursive_call.

2010-01-14  Alexander Monakov  <amonakov@ispras.ru>

        * sel-sched.c: Add 2010 to copyright years.
        * sel-sched-ir.c: Likewise.
        * sel-sched-ir.h: Likewise.

2010-01-14  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/42714
        * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
        constructors specially.

2010-01-14  Andi Kleen  <ak@linux.intel.com>

        * config/i386/drivers-i386.c (detect_caches_intel):
        Add l2sizekb parameter and fill in.
        (host_detect_local_cpu): Add l2sizekb, fill in.
        Add Atom small cache heuristic.

2010-01-14  Andi Kleen  <ak@linux.intel.com>

        * config/i386/drivers-i386.c (detect_caches_cpuid4):
        Add level3 parameter and fill in.
        (detect_caches_intel): Handle level3 cache.

2010-01-14  Andi Kleen  <ak@linux.intel.com>

        * config/i386/drivers-i386.c (host_detect_local_cpu):
        Fix core duo detection.

2010-01-14  Andi Kleen  <ak@linux.intel.com>

        * config/i386/drivers-i386.c (host_detect_local_cpu):
        Fix Atom detection.

2010-01-14  Alexander Monakov  <amonakov@ispras.ru>

        * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
        (rs6000_variable_issue_1): this.  Use...
        (rs6000_variable_issue): here.  Reimplement.  Print debug info.

2010-01-14  Alexander Monakov  <amonakov@ispras.ru>

        * sel-sched-ir.c (sel_restore_other_notes): Rename to
        sel_restore_notes.  Update all callers.  Call reemit_notes
        for all insns.

2010-01-14  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/42246
        * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
        loops.

2010-01-14  Andrey Belevantsev  <abel@ispras.ru>

        * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
        all successors is the same as number of successors in current region.

2010-01-14  Alexander Monakov  <amonakov@ispras.ru>

        * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
        to rename is not separable.  Otherwise check that its LHS is not NULL.

2010-01-14  Alexander Monakov  <amonakov@ispras.ru>

        * sel-sched.c (choose_best_reg_1):  Loop over all regs for mode.

2010-01-14  Alexander Monakov  <amonakov@ispras.ru>

        * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
        available registers when failed to discover LHS register class.
        Fix indentation.  Update comment.

2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
            Alexander Monakov  <amonakov@ispras.ru>

        PR rtl-optimization/42389
        * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
        to can_issue_more.
        (advance_state_on_fence): Likewise.
        (sel_target_adjust_priority): Print debug output only when
        sched_verbose >= 4, not 2.
        (get_expr_cost): Do not issue all unique insns on the next cycle.
        (fill_insns): Initialize can_issue_more from the value saved
        with the fence.
        * sel-sched-ir.c (flist_add): New parameter issue_more.
        Init FENCE_ISSUE_MORE with it.
        (merge_fences): Likewise.
        (init_fences): Update call to flist_add.
        (add_to_fences, add_clean_fence_to_fences)
        (add_dirty_fence_to_fences): Likewise.
        (move_fence_to_fences): Update call to merge_fences.
        (invoke_reorder_hooks): Do not reset can_issue_more on insns from
        sched groups.
        * sel-sched-ir.h (struct _fence): New field issue_more.
        (FENCE_ISSUE_MORE): New accessor macro.

2010-01-14  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/42388
        * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
        that have no predecessors nor successors.  Do not call move_bb_info
        for empty blocks outside of current region.

2010-01-14  Alexander Monakov  <amonakov@ispras.ru>

        PR rtl-optimization/42294
        * sel-sched-ir.h (struct _sel_insn_data): Update comment.
        * sel-sched.c (move_exprs_to_boundary): Transitively add all
        originators' originators.

2010-01-14  Alexander Monakov  <amonakov@ispras.ru>

        PR rtl-optimization/39453
        PR rtl-optimization/42246
        * sel-sched-ir.c (considered_for_pipelining_p): Do not test
        for pipelining_p.
        (sel_add_loop_preheaders): Add preheader to last_added_blocks.

2010-01-14  Andrey Belevantsev  <abel@ispras.ru>
            Alexander Monakov  <amonakov@ispras.ru>

        PR middle-end/42245
        * sel-sched-ir.c (sel_recompute_toporder): New.  Use it...
        (maybe_tidy_empty_bb): ... here.  Make static.  Add new
        argument.  Update all callers.
        (tidy_control_flow): ... and here.  Recompute topological order
        of basic blocks in region if necessary.
        (sel_redirect_edge_and_branch): Change return type.  Return true
        if topological order might have been invalidated.
        (purge_empty_blocks): Export and move from...
        * sel-sched.c (purge_empty_blocks): ... here.
        * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
        (maybe_tidy_empty_bb): Delete prototype.
        (purge_empty_blocks): Declare.

2010-01-14  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/42249
        * sel-sched.c (try_replace_dest_reg): When chosen register
        and original register is the same, do not bail out early, but
        still check all original insns for validity of replacing destination
        register.  Set EXPR_TARGET_AVAILABLE to 1 before leaving function
        in this case.

2010-01-14  Jakub Jelinek  <jakub@redhat.com>

        PR c/42721
        Port from no-undefined-overflow branch:
        2009-03-09  Richard Guenther  <rguenther@suse.de>

        * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.

2010-01-14  Richard Guenther  <rguenther@suse.de>

        PR lto/42665
        * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.

2010-01-14  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/42709
        * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
        as scalar type in creation of constant vector operand.

2010-01-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR testsuite/42414
        * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
        (check-parallel-%): Match `testsuite' directory component only
        at the end.

2010-01-14  Shujing Zhao  <pearly.zhao@oracle.com>

        PR translation/39521
        * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
        strings with _().

2010-01-13  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/42730
        * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
        offset zero.

2010-01-13  Steve Ellcey  <sje@cup.hp.com>

        PR target/pr42542
        * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
        for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
        them signed.

2010-01-13  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/libgcc-bfin.ver: Regenerate based on current
        libgcc-std.ver.  Add entries for ___smulsi3_highpart and
        ___umulsi3_highpart.

        * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
        rather than schedule_insns if the pass is enabled.

2010-01-13  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/42704
        * tree-sra.c (sra_modify_assign): Do not delete assignments to
        SSA_NAMEs.

2010-01-13  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/42703
        * tree-sra.c (analyze_access_subtree): Check that we can build a
        reference to the original data within the aggregate.

2010-01-13  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/42705
        * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.

2010-01-13  Richard Guenther  <rguenther@suse.de>

        PR middle-end/42716
        * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.

2010-01-13  Jakub Jelinek  <jakub@redhat.com>

        PR debug/41371
        * var-tracking.c (values_to_unmark): New variable.
        (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
        values_to_unmark vector.  Moved body to...
        (find_loc_in_1pdv_1): ... this.  Don't clear VALUE_RECURSED_INTO,
        instead queue it into values_to_unmark vector.
        (vt_find_locations): Free values_to_unmark vector.

2010-01-13  Wolfgang Gellerich  <gellerich@de.ibm.com>

        * config/s390/s390.c (override_options): Set
        default of max-pending-list-length to 256

2010-01-13  Richard Guenther  <rguenther@suse.de>

        PR lto/42678
        * tree-pass.h (PROP_gimple_lcx): New.
        * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
        * passes.c (init_optimization_passes): Move pass_lower_complex_O0
        before the final cleanup_eh.
        (dump_properties): Dump PROP_gimple_lcx.
        * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
        (tree_lower_complex_O0): Remove.
        (gate_no_optimization): Run if PROP_gimple_lcx is not set.
        (pass_lower_complex_O0): Provide PROP_gimple_lcx.  Run
        tree_lower_complex, schedule TODO_update_ssa.
        * lto-streamer-out.c (output_function): Stream the functions
        properties.
        * lto-streamer-in.c (input_function): Likewise.
        (lto_read_body): Do not override them here.

2010-01-12  Joseph Myers  <joseph@codesourcery.com>

        PR c/42708
        * c-typeck.c (build_c_cast): Fold value cast to union type before
        wrapping it in a CONSTRUCTOR.

2010-01-12  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/42699
        * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
        involved.

2010-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
        SUBTARGET_WARN_UNUSED_SPEC): Move ...
        config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
        SUBTARGET_WARN_UNUSED_SPEC): ... here
        * config/mips/iris5.h (LIBGCC_SPEC): Define.

2010-01-12  Julian Brown  <julian@codesourcery.com>

        * config/arm/neon-schedgen.ml (Utils): Don't try to
        open missing module.
        (find_with_result): New.

2010-01-12  Jakub Jelinek  <jakub@redhat.com>

        PR debug/42662
        * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
        sharing when canonicalizing ({lt,ge}u (plus a b) b).

        PR tree-optimization/42645
        * tree-inline.c (processing_debug_stmt): Move earlier.  Make static.
        (remap_ssa_name): If processing_debug_stmt and name wasn't found in
        decl_map, set processing_debug_stmt to -1 and return name without
        any remapping.

2010-01-11  Dave Korn  <dave.korn.cygwin@gmail.com>

        * doc/install.texi (Specific#x-x-cygwin): Document minimum required
        binutils version, and reword target configuration description.

2010-01-11  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>

        * config/avr/avr.h (LINKER_NAME): Remove.

2010-01-11  Janis Johnson  <janis187@us.ibm.com>

        PR target/42416
        * config/rs6000/rs6000.c (rs6000_override_options): On targets
        that support VSX, warn for -mno-altivec if vsx is not disabled,
        and disable vsx.

2010-01-11  Joseph Myers  <joseph@codesourcery.com>
            Shujing Zhao  <pearly.zhao@oracle.com>

        PR translation/42469
        * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
        fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
        character between option name and help text.
        * c.opt (imultilib): Likewise.

2010-01-10  Rafael Avila de Espindola  <espindola@google.com>

        * lto-streamer-out.c (output_unreferenced_globals): Output static
        variables.

2010-01-10  Steven Bosscher  <steven@gcc.gnu.org>

        PR rtl-optimization/42621
        * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
        optimizing for size.
        (duplicate_computed_gotos): Remove now-redundant check.

2010-01-10  Steve Ellcey  <sje@cup.hp.com>

        PR target/37454
        * configure.ac: Save and restore LDFLAGS and LIBS
        * configure: Regenerate.

2010-01-10  Richard Guenther  <rguenther@suse.de>

        PR middle-end/42667
        * builtins.c (fold_builtin_strlen): Add type argument and
        convert the resulting length to it.
        (fold_builtin_1): Adjust.

2010-01-09  Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
        sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
        1 insn.
        (num_insns_constant_wide): Adjust for that change.

2010-01-09  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/42631
        * web.c (union_defs): Add used argument, to combine uses of
        uninitialized regs.
        (entry_register): Adjust type and tests of used argument.
        (web_main): Widen used for new use.  Pass it to union_defs.
        * df.h (union_defs): Adjust prototype.

2010-01-09  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/42630
        * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
        uses in new incoming argument.  Free body.
        (reset_debug_uses_in_loop): New.
        (analyze_insn_to_expand_var): Call the latter if the former found
        anything.  Fix whitespace.  Reject invalid dest overlaps before
        going through all insns in the loop.

2010-01-09  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/42629
        * haifa-sched.c (dying_use_p): Debug insns don't count.

2010-01-09  Alexandre Oliva  <aoliva@redhat.com>

        PR middle-end/42363
        * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
        * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
        (verify_gimple_call): Reject LHS in noreturn calls.

2010-01-09  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/42604
        PR debug/42395
        * tree-vect-loop-manip.c (adjust_info): New type.
        (adjust_vec): New pointer to vector.
        (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
        (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
        (slpeel_update_phis_for_duplicate_loop): Use them.
        (slpeel_update_phi_nodes_for_guard1): Likewise.
        (slpeel_update_phi_nodes_for_guard2): Likewise.
        (slpeel_tree_peel_loop_to_edge): Likewise.
        (vect_update_ivs_after_vectorizer): Likewise.

2010-01-09  Alexandre Oliva  <aoliva@redhat.com>

        * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
        (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.

2010-01-09  Alexandre Oliva  <aoliva@redhat.com>

        * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
        bogus uninitialized warning.

2010-01-09  Richard Guenther  <rguenther@suse.de>

        PR middle-end/42512
        * tree-scalar-evolution.c (interpret_loop_phi): Make sure
        the evolution is compatible with the initial condition.

2010-01-09  Jakub Jelinek  <jakub@redhat.com>

        * gcc.c (process_command): Update copyright notice dates.
        * gcov.c (print_version): Likewise.
        * gcov-dump.c (print_version): Likewise.
        * mips-tfile.c (main): Likewise.
        * mips-tdump.c (main): Likewise.

2010-01-08  Andy Hutchinson  <hutchinsonandy@gcc.gnu.org>

        PR target/41885
        * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
        (rotlhi3): Delete.
        (rotlhi3_8): Delete.
        (rotlsi3): Delete.
        (rotlsi3_8): Delete.
        (rotlsi3_16): Delete.
        (rotlsi3_24): Delete.
        (rotl<mode>3): New.
        (*rotw<mode>3): New.
        (*rotb<mode>3): New.
        * config/avr/avr.c (avr_rotate_bytes): New function.
        * config/avr/avr-proto.h (avr_rotate_bytes): New function.

2010-01-08  Steve Ellcey  <sje@cup.hp.com>

        PR target/37454
        * configure.ac: Modify -rdynamic check.
        * configure: Regenerate.

2010-01-08  DJ Delorie  <dj@redhat.com>

        * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
        register popping order.

2010-01-08  Richard Guenther  <rguenther@suse.de>

        PR lto/42528
        * c.opt (fsigned-char): Also let LTO handle this option.
        (funsigned-char): Likewise.

2010-01-07  Richard Guenther  <rguenther@suse.de>

        * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
        (gimple_op): Likewise.
        (gimple_op_ptr): Likewise.
        (gimple_assign_set_lhs): Remove gcc_assert.
        (gimple_assign_set_rhs1): Likewise.
        (gimple_assign_set_rhs2): Likewise.
        (gimple_call_set_lhs): Likewise.
        (gimple_call_set_fn): Likewise.
        (gimple_call_set_fndecl): Likewise.
        (gimple_call_fndecl): Likewise.
        (gimple_call_return_type): Likewise.
        (gimple_call_set_chain): Likewise.
        (gimple_call_num_args): Likewise.
        (gimple_call_set_arg): Likewise.
        (gimple_cond_set_code): Likewise.
        (gimple_cond_set_lhs): Likewise.
        (gimple_cond_set_rhs): Likewise.
        (gimple_cond_set_true_label): Likewise.
        (gimple_cond_set_false_label): Likewise.
        (gimple_label_set_label): Likewise.
        (gimple_goto_set_dest): Likewise.
        (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
        (gimple_debug_bind_get_value): Likewise.
        (gimple_debug_bind_get_value_ptr): Likewise.
        (gimple_debug_bind_set_var): Likewise.
        (gimple_debug_bind_set_value): Likewise.
        (gimple_debug_bind_reset_value): Likewise.
        (gimple_debug_bind_has_value_p): Likewise.
        (gimple_return_retval_ptr): Remove gcc_assert.
        (gimple_return_retval): Likewise.
        (gimple_return_set_retval): Likewise.
        * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
        (safe_referenced_var_iterator): Remove.
        (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
        * tree-flow-inline.h (gimple_nonlocal_all): Remove.
        (fill_referenced_var_vec): Remove.
        (first_readonly_imm_use): Remove redundant gcc_assert.
        (phi_arg_index_from_use): Combine gcc_asserts.
        (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
        (first_imm_use_stmt): Remove redundant gcc_assert.
        * tree-cfg.c (verify_gimple_call): Verify function and chain
        operands.  Verify arguments.
        (verify_types_in_gimple_stmt): Verify condition code and labels.

2010-01-07  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/42641
        * sese.c (rename_map_elt_info): Use the SSA name version, do
        not hash pointers.

2010-01-07  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/42625
        * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
        TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.

2010-01-07  Duncan Sands  <baldrick@free.fr>

        * Makefile.in (PLUGIN_HEADERS): Add version.h.

2010-01-07  Uros Bizjak  <ubizjak@gmail.com>

        PR target/42511
        * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
        note itself is not function_invariant_p.

2009-01-07  Steven Bosscher  <steven@gcc.gnu.org>

        * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
        Do not add the DF_NOTE problem.
        * store-motion.c (execute_rtl_store_motion): Likewise.

2010-01-07  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/42157
        * tree-sra.c (compare_access_positions): Stabilize sort if both
        accesses have integer types, return zero immediately if they are the
        same.

2010-01-06  Richard Henderson  <rth@redhat.com>

        PR middle-end/41883
        * haifa-sched.c (add_to_note_list): Merge into ...
        (concat_note_lists): ... here, and ...
        (unlink_other_notes, rm_other_notes): Merge into...
        (remove_notes): ... here.  Create REG_SAVE_NOTEs for
        NOTE_INSN_EPILOGUE_BEG.

2010-01-06  Richard Guenther  <rguenther@suse.de>

        * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
        not inline regular functions into always-inline functions.

2010-01-06  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.h (enum rx_cpu_type): Add RX200.
        (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
        used together.
        (OVERRIDE_OPTIONS): Delete.
        (OPTIMIZATION_OPTIONS): Define.
        (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
        * config/rx/rx.c (rx_handle_option): Issue an error message if
        -mcpu=rx200 and -fpu are used together.
        (rx_set_optimization_options): New function.  Issue an error
        message if an optimization attribute attempts to reset the FPU/
        math optimization pairing.
        * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
        * config/rx/rx.opt: Set the default to 32-bit doubles.
        * config/rx/t-rx: Add multilibs for -nofpu option.
        * doc/invoke.texi: Update documentation of RX options.

2010-01-06  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-pre.c (name_to_id): New global.
        (alloc_expression_id): Simplify SSA name handling.
        (lookup_expression_id): Likewise.
        (init_pre): Zero name_to_id.
        (fini_pre): Free it.

2010-01-06  Uros Bizjak  <ubizjak@gmail.com>

        * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.

2010-01-05  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/42542
        * config/i386/sse.md (smaxv2di3): New.
        (umaxv2di3): Likewise.
        (sminv2di3): Likewise.
        (uminv2di3): Likewise.

2010-01-05  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/42564
        * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
        * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
        (legitimize_tls_address): Likewise.
        (sparc_tls_referenced_p): Likewise.
        * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
        and adjust calls to legitimize_pic_address.
        (legitimate_constant_p) Use sparc_tls_referenced_p.
        (legitimate_pic_operand_p): Likewise.
        (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
        (sparc_tls_symbol_ref_1): Delete.
        (sparc_tls_referenced_p): Make static, recognize specific patterns.
        (legitimize_tls_address): Make static, handle CONST patterns.
        (legitimize_pic_address): Make static, remove unused parameter and
        adjust recursive calls.
        (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
        and adjust call to legitimize_pic_address.
        (sparc_output_mi_thunk): Likewise.

2010-01-05  Paolo Bonzini  <bonzini@gnu.rg>
            H.J. Lu  <hongjiu.lu@intel.com>

        PR target/42542
        * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
        for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
        operands to make them signed.

        Revert:
        2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/42542
        * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
        GTU to GT for V4SI and V2DI.

        * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
        (umin<mode>3): Removed.
        (uminv8hi3): New.
        (uminv4si3): Likewise.

2010-01-05  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/42462
        * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
        current_function_decl to helper functions and macros.

2010-01-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR bootstrap/41771
        * flags.h: Don't include real.h.
        (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
        HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
        * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
        HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
        * dominance.c: Update copyright.
        * gimple.c (walk_gimple_op): Remove inline.
        * tree-ssa-reassoc.c: Include real.h.
        * Makefile.in (FLAGS_H): Remove $(REAL_H).
        (tree-ssa-reassoc.o): Depend on $(REAL_H).

2010-01-05  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
        register to push into the stack frame when the accumulator has to
        be saved during interrupts.

2010-01-05  Eric Fisher  <joefoxreal@gmail.com>

        * doc/invoke.texi: Remove the documentation about option
        -Wunreachable-code.
        * common.opt (Wunreachable-code):  Preserved for backward
        compatibility.
        * tree-cfg.c: Remove the implementation of -Wunreachable-code.
        * opts.c (common_handle_option): Add OPT_Wunreachable_code to
        the backward compatibility flag section.

2010-01-05  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.

2010-01-05  Jakub Jelinek  <jakub@redhat.com>

        PR other/42611
        * cfgexpand.c (expand_one_var): Diagnose too large variables.

        PR tree-optimization/42508
        * tree-sra.c (convert_callers): Check for recursive call
        by comparing cgraph nodes instead of decls.
        (modify_function): Call ipa_modify_formal_parameters also
        on all same_body aliases.

        * cgraphunit.c (cgraph_materialize_all_clones): Compare
        cgraph nodes when checking for same_body aliases.

2010-01-05  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
        allocation and lookup.
        (get_or_alloc_expr_for_constant): Likewise.
        (phi_translate): Sink allocation.

2010-01-04  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
        a new entry only if needed.
        * tree-ssa-dom.c (lookup_avail_expr): Likewise.
        * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
        hashtable lookup.
        * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
        the result array.
        (phi_translate): Handle CONSTANTs early.

2010-01-04  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/42398
        * tree-sra.c (struct access): Removed flag grp_different_types.
        (dump_access): Do not dump the removed flag.
        (sort_and_splice_var_accesses): Do not set the removed flag.
        (sra_modify_expr): Check for type compatibility directly.

2010-01-04  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/42366
        * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
        edges with variable number of parameters.
        * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
        flag instead of asserting it.
        (ipa_read_node_info): Read uses_analysis_done flag.

2010-01-04  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
        iterative_hash_* as intended.
        (vn_reference_compute_hash): Likewise.  Simplify hashing
        SSA names.
        (vn_reference_lookup_2): Likewise.
        (vn_nary_op_compute_hash): Likewise.
        (vn_phi_compute_hash): Likewise.
        (expressions_equal_p): Remove strange code.
        * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
        (pre_expr_hash): Likewise.  Simplify hashing SSA names.
        (bitmap_insert_into_set_1): Take value-id as parameter.
        (add_to_value): Pass it.
        (bitmap_insert_into_set): Likewise.
        (bitmap_value_insert_into_set): Likewise.  Remove redundant check.

2010-01-04  Jakub Jelinek  <jakub@redhat.com>

        PR driver/42442
        * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
        (do_self_spec): For switches with SWITCH_IGNORE set set also
        SWITCH_IGNORE_PERMANENTLY.
        (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
        of SWITCH_IGNORE.

2010-01-04  Rafael Avila de Espindola  <espindola@google.com>

        * lto-streamer-out.c (output_unreferenced_globals): Output the full
        tree of an unreferenced global var.

2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/42542
        * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
        GTU to GT for V4SI and V2DI.

        * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
        (umin<mode>3): Removed.
        (uminv8hi3): New.
        (uminv4si3): Likewise.

2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>

        PR lto/42581
        * collect2.c (main): Turn on trace in collect2 if -v is passed
        to gcc with LTO.

2010-01-03  Jerry Quinn  <jlquinn@optonline.net>

        * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR.  Update
        description of expression operand.

2010-01-03  Andrew Jenner  <andrew@codesourcery.com>

        * configure.ac: Add install-html to target_list for Make-hooks.
        * configure: Regenerate.
        * fortran/Make-lang.in (F95_HTMLFILES): New.
        (fortran.html): Use it.
        (fortran.install-html): New.
        * Makefile.in (install-html): Add lang.install-html.
        * java/Make-lang.in (JAVA_HTMLFILES): New.
        (java.html): Use it.
        (java.install-html): New.
        * objc/Make-lang.in (objc.install-html): New.
        * objcp/Make-lang.in (obj-c++.install-html): New.
        * cp/Make-lang.in (c++.install-html): New.
        * ada/gcc-interface/Make-lang.in (ada.install-html): New.
        * lto/Make-lang.in (lto.install-html): New.

2010-01-03  H.J. Lu  <hongjiu.lu@intel.com>

        PR lto/42520
        * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.

2009-01-03  Steven Bosscher  <steven@gcc.gnu.org>

        PR rtl-optimization/41862
        * store-motion.c (store_killed_in_insn, compute_store_table,
        remove_reachable_equiv_notes, replace_store_insn,
        build_store_vectors): Ignore all DEBUG_INSNs.

2010-01-03  H.J. Lu  <hongjiu.lu@intel.com>

        PR lto/41564
        * common.opt: Add dumpdir.

        * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
        isn't specified.
        (option_map): Add --dumpdir.

        * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.

        * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.

        * opts.c (decode_options): Try dump_dir_name first if
        dump_base_name isn't an absolute path.
        (common_handle_option): Handle OPT_dumpdir.

        * toplev.c (dump_dir_name): New.
        (print_switch_values): Also ignore -dumpdir.

        * toplev.h (dump_dir_name): New.

2010-01-03  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/42589
        * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
        double-word expansion of bswap32.

2010-01-03  Steven Bosscher  <steven@gcc.gnu.org>

        * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
        with BLOCK_FOR_INSN.
        * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
        * ifcvt.c (noce_get_alt_condition, noce_try_abs,
        noce_process_if_block): Likewise.
        * gcse.c (compute_local_properties, insert_expr_in_table,
        insert_set_in_table, canon_list_insert, find_avail_set,
        pre_insert_copy_insn): Likewise.

        * basic-block.h (BLOCK_NUM): Move from here...
        * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.

2010-01-03  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/42438
        * tree-ssa-pre.c (struct bb_bitmap_sets): Add
        contains_may_not_return_call flag.
        (BB_MAY_NOTRETURN): New.
        (valid_in_sets): Trapping nary operations are not valid
        in blocks that may not return.
        (insert_into_preds_of_block): Remove check for trapping expressions.
        (compute_avail): Compute also BB_MAY_NOTRETURN.

2010-01-03  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/invoke.texi: Add 2010 to copyright years.

2010-01-03  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sparc.c: Fix formatting nits.

2010-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
            Alexander Monakov  <amonakov@ispras.ru>

        * doc/invoke.texi (Optimize Options): Reword introduction a bit.

2010-01-02  Richard Guenther  <rguenther@suse.de>

        PR middle-end/42577
        * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
        (simplify_switch_using_ranges): Mark to be removed edges
        as non-executable.

2010-01-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.

        * collect2.c (scan_libraries): Add missing argument in call to
        scan_prog_file.

2010-01-02  Uros Bizjak  <ubizjak@gmail.com>

        PR target/42448
        * config/alpha/predicates.md (aligned_memory_operand): Return false
        for CQImode.
        (unaligned_memory_operand): Return true for CQImode.
        * config/alpha/alpha.c (get_aligned_mem): Assert that location
        doesn not cross aligned SImode word boundary.

2010-01-02  Anatoly Sokolov  <aesok@post.ru>

        * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
        Remove.
        * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
        avr_change_section, avr_reg_class_from_letter) : Remove declaration.

2010-01-02  Richard Guenther  <rguenther@suse.de>

        PR lto/41597
        * toplev.c (compile_file): Emit LTO marker properly.  Change
        it to __gnu_lto_v1.
        * collect2.c (scan_prog_file): Adjust for changed LTO marker.

2010-01-01  Richard Guenther  <rguenther@suse.de>

        PR debug/42455
        * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.

2010-01-01  Richard Guenther  <rguenther@suse.de>

        PR c/42570
        * c-decl.c (grokdeclarator): For zero-size arrays force
        structural equality checks as layout_type does.

2010-01-01  H.J. Lu  <hongjiu.lu@intel.com>

        * builtins.c: Update copyright to 2010.

2010-01-01  H.J. Lu  <hongjiu.lu@intel.com>

        PR lto/42531
        * lto-streamer-out.c (produce_asm): Revert the last change.
        (copy_function): Likewise.

        * lto-streamer.c (lto_get_section_name): Skip any leading
        asterisk in name.

2010-01-01  Richard Guenther  <rguenther@suse.de>

        PR middle-end/42559
        * builtins.c (get_object_alignment): Do not use DECL_ALIGN
        for LABEL_DECLs.

\f
Copyright (C) 2010 Free Software Foundation, Inc.

Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
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