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

2009-10-09  Neil Vachharajani <nvachhar@google.com>

        * doc/cpp.texi (Other Directives): Do not list #ident and #sccs as
        deprecated.

2009-10-09  Richard Guenther  <rguenther@suse.de>

        PR lto/41638
        * target-def.h (TARGET_BUILTIN_DECL): Define.
        (TARGET_INITIALIZER): Add TARGET_BUILTIN_DECL.
        * target.h (struct gcc_target): Add builtin_decl target hook.
        * doc/tm.texi (TARGET_BUILTIN_DECL): Document.
        * lto-streamer-in.c (lto_get_builtin_tree): Fix handling of
        target builtins.
        * lto-streamer-out.c (lto_output_tree_pointers): Use sorry,
        not gcc_unreachable.
        (lto_output_builtin_tree): Sorry if the target does not support
        streaming target builtins.
        * config/rs6000/rs6000.c (TARGET_BUILTIN_DECL): Define.
        (rs6000_builtin_decl): New function.
        * config/i386/i386.c (TARGET_BUILTIN_DECL): Define.
        (ix86_builtin_decl): New function.

2009-10-09  Jakub Jelinek  <jakub@redhat.com>

        PR preprocessor/41445
        * c-ppoutput.c (do_line_change): New function.
        (cb_line_change): Use it.
        (scan_translation_unit): Call do_line_change if
        avoid_paste or PREV_WHITE and token location is on a different line
        than print.src_line.

        PR debug/40521
        * dwarf2out.c (dwarf2out_init): Test whether
        HAVE_GAS_CFI_SECTIONS_DIRECTIVE is non-zero instead of checking
        it is defined.

        PR rtl-optimization/41646
        * calls.c (expand_call): For BLKmode types returned in registers
        avoid likely spilled hard regs in copy_blkmode_from_reg generated
        insns.

2009-10-09  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/41634
        * tree-ssa-dom.c (remove_local_expressions_from_table): Assert
        we remove the correct elements.
        (optimize_stmt): Make sure to update stmt operands before
        optimizing redundancies.

2009-10-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.md ("prefetch"): Remove stcmh for prefetching.

2009-10-09  Richard Guenther  <rguenther@suse.de>

        PR driver/41637
        * lto-wrapper.c (ltrans_output_file, flto_out, args_name): New
        globals.
        (lto_wrapper_exit): New function.
        (fatal): Use it.
        (fatal_perror): Likewise.
        (fork_execute): Use global args_name, do not free it.
        (run_gcc): Use global ltrans_output_file, flto_out, do not free them.
        * lto-streamer.h: Remove duplicate prototypes.

2009-10-09  Richard Guenther  <rguenther@suse.de>

        * cgraph.c (cgraph_create_edge): Check for NULL call_stmt
        before calling stmt_can_throw_external.

2009-10-09  Eric Botcazou  <ebotcazou@adacore.com>

        PR tree-optimization/40071
        * tree-vect-data-refs.c (vect_create_data_ref_ptr): Build a ref-all
        pointer if the original data reference doesn't conflict with the
        created vector data reference.  Fix long line.

2009-10-09  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (any_div): New code iterator.
        (u): Handle div and udiv.
        (sgnprefix): Ditto.
        (<u>divqi3): Macroize insn from {,u}divqi3  using any_div
        code iterator.
        (lfloor<MODEF:mode><SWI48:mode>2): Macroize insn from
        lfloor<mode>{si,di}2 patterns using SWI48 mode iterator.
        (lceil<MODEF:mode><SWI48:mode>2): Macroize insn from
        lceil<mode>{si,di}2 patterns using SWI48 mode iterator.

2009-10-08  Joseph Myers  <joseph@codesourcery.com>

        * gcc.c (main): Remove trailing "." from diagnostics.

2009-10-08  Cary Coutant  <ccoutant@google.com>

        Add support for debugging with ICF (Identical Code Folding).
        * calls.c (debug.h): New #include.
        (emit_call_1): Call virtual_call_token debug hook.
        * common.opt (-fenable-icf-debug): New option.
        * dwarf2out.c (dwarf2_debug_hooks): Add entries for new hooks (two
        locations in the source).
        (poc_label_num): New variable.
        (dcall_entry, vcall_entry): New typedefs.
        (dcall_table, vcall_table): New variables.
        (struct vcall_insn): New type.
        (vcall_insn_table): New variable.
        (DEBUG_DCALL_SECTION, DEBUG_VCALL_SECTION): New macros.
        (size_of_dcall_table): New function.
        (output_dcall_table): New function.
        (size_of_vcall_table): New function.
        (output_vcall_table): New function.
        (dwarf2out_direct_call): New function.
        (vcall_insn_table_hash): New function.
        (vcall_insn_table_eq): New function.
        (dwarf2out_virtual_call_token): New function.
        (dwarf2out_virtual_call): New function.
        (dwarf2out_init): Allocate new tables and sections.
        (prune_unused_types): Mark DIEs referenced from direct call table.
        (dwarf2out_finish): Output direct and virtual call tables.
        * final.c (final_scan_insn): Call direct_call and virtual_call
        debug hooks.
        * debug.h (struct gcc_debug_hooks): Add direct_call,
        virtual_call_token, virtual_call hooks.
        (debug_nothing_uid): New function.
        * debug.c (do_nothing_debug_hooks): Add dummy entries for new hooks.
        (debug_nothing_uid): New function.
        * dbxout.c (dbx_debug_hooks): Add dummy entries for new hooks.
        (xcoff_debug_hooks): Likewise.
        * sdbout.c (sdb_debug_hooks): Likewise.
        * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
        * doc/invoke.texi (-fenable-icf-debug): New option.

2009-10-08  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/41353
        * regmove.c (regmove_backward_pass): Replace src with dst in the
        debug insn, and check for dst before rather than after.

2009-10-08  Janis Johnson <janis187@us.ibm.com>

        * config/rs6000/rs6000.c (rs6000_delegitimize_address): Remove.
        (TARGET_DELEGITIMIZE_ADDRESS): Likewise.

2009-10-08  Jan Hubicka  <jh@suse.cz>

        PR middle-end/41626
        * cgraphbuild.c (record_reference): When parameter DATA is NULL,
        do not mark cgraph nodes as needed.
        (record_references_in_initializer): Add new only_vars parameter.
        * cgraph.h (record_references_in_initializer): New parameter.
        * varasm.c (assemble_variable): Update call.
        * varpool.c (varpool_analyze_pending_decls): Always look for
        referenced vars.

2009-10-08  Anatoly Sokolov  <aesok@post.ru>

        * config/avr/avr.c (last_insn_address) Remove variable.
        (expand_prologue): Don't initialise last_insn_address variable.
        (final_prescan_insn): Don't output insn size.
        * config/avr/avr.opt (msize): Remove switch.
        * doc/invoke.texi (AVR Options): Remove documentation of -msize
        switch.

2009-10-08  Adam Nemet  <anemet@caviumnetworks.com>

        * combine.c (label_tick_ebb_start): Fix comment.
        (combine_instructions): Set label_tick and label_tick_ebb_start before
        calling setup_incoming_promotions.  Start them from 1.  Increment
        label_tick instead of deriving it from the BB index.  Rather than
        comparing ticks use the block from the previous iteration to decide
        whether to start a new EBB.  Remove empty lines before function.

2009-10-08  Michael Matz  <matz@suse.de>

        PR middle-end/41573
        * builtins.c (fold_builtin_isascii): Use fold_build2.
        (fold_builtin_isdigit): Ditto.
        * except.c (duplicate_eh_regions_1): Tolerate NULL labels.
        * tree-cfg.c (struct rus_data, remove_useless_stmts_warn_notreached,
        remove_useless_stmts_cond, remove_useless_stmts_tf,
        remove_useless_stmts_tc, remove_useless_stmts_bind,
        remove_useless_stmts_goto, remove_useless_stmts_label,
        remove_useless_stmts_1, remove_useless_stmts,
        pass_remove_useless_stmts): Remove.
        * tree-pass.h (pass_remove_useless_stmts): Don't declare.
        * passes.c (init_optimization_passes): Don't add
        pass_remove_useless_stmts.
        * tree-eh.c (lower_eh_constructs_2): Handle empty cleanups.
        * tree.c (free_lang_data_in_decl): Don't clear DECL_INITIAL of
        static constants.
        * lto-symtab.c (lto_symtab_register_decl): Accepts DECL_INITIAL
        for static constants.
        * lto-streamer-out.c (output_gimple_stmt): Handle GIMPLE_NOP.
        * lto-streamer-in.c (input_gimple_stmt): Handle GIMPLE_NOP.

2009-10-08  Richard Guenther  <rguenther@suse.de>

        * gimple.c (free_gimple_type_tables): New function.
        * gimple.h (free_gimple_type_tables): Declare.

2009-10-07  Mark Heffernan  <meheff@google.com>

        * ipa-prop.c (ipa_print_node_params) Only print
        names of named arguments.

2009-10-08  Rafael Avila de Espindola  <espindola@google.com>

        * gcc.c (LINK_COMMAND_SPEC): Pass libc with -pass-through if it is
        being statically linked.

2009-10-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * collect2.c (add_lto_object): Only define if OBJECT_FORMAT_NONE.

2009-10-08  Jan Hubicka  <jh@suse.cz>

        PR bootstrap/41620
        * ipa.c (cgraph_externally_visible_p,
        function_and_variable_visibility,
        whole_program_function_and_variable_visibility): Skip non-finalized
        nodes.

2009-10-08  Nick Clifton  <nickc@redhat.com>

        * config/mn10300/mn10300.h (CONSTANT_ADDRESS_P): Do not allow
        CONST_DOUBLEs.

2009-10-08  Andreas Tobler  <a.tobler@schweiz.org>

        PR bootstrap/37739
        * config.host: Use config/x-cflags-O1 for powerpc FreeBSD.

2009-10-07  Joseph Myers  <joseph@codesourcery.com>

        PR c/41182
        * c-common.c (c_fully_fold_internal): Strip nops from the result
        of recursive calls to c_fully_fold_internal.
        (c_wrap_maybe_const): New.
        (c_save_expr): Use c_wrap_maybe_const.
        * c-common.h (c_wrap_maybe_const): Declare.
        * c-typeck.c (build_conditional_expr, c_finish_stmt_expr,
        build_binary_op): Use c_wrap_maybe_const.

2009-10-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * real.c: Fix comment to reflect actual exponent size.

2009-10-08  Ben Elliston  <bje@au.ibm.com>

        * config/rs6000/a2.md: Add FSF comment header.

2009-10-07  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (any_extend): New code iterator.
        (u, s): New code attributes.
        (sgnprefix): Ditto.
        (DWIH): Rewrite as code iterator for SI and DI modes.
        (DWI): Rewrite as mode attribute.
        (dwi): New mode attribute.
        (di): Depend on SI mode and DI mode.
        (doubleint_general_operand): Remove mode attribute.

        (*lea_1): Macroize insn from *lea_1_rex64 and *lea_1 patterns using
        DWIH mode iterator.

        (*add<mode>3_doubleword): Use DWIH as the base mode iterator.
        (*sub<mode>3_doubleword): Ditto.

        (mul<mode>3): Macroize expander from mul{hi,si,di}3 patterns
        using SWIM248 mode iterator.
        (*mul<mode>3_1): Macroize insn from mul{si,di}3_1 patterns
        using SWI48 mode iterator.
        (<u>mul<mode><dwi>3): Macroize expander from {,u}mul{sidi,diti}3
        patterns using DWIH mode iterator and any_extend code iterator.
        (<u>mulqihi3): Macroize expander from {,u}mulqihi3 patterns
        using any_extend code iterator.
        (*<u>mul<mode><dwi>3_1): Macroize insn from {,u}mul{sidi,diti}3_1
        patterns using DWIH mode iterator and any_extend code iterator.
        (*<u>mulqihi3_1): Macroize insn from {,u}mulqihi3_1 patterns
        using any_extend code iterator.
        (<s>mul<mode>3_highpart): Macroize expander from
        {s,u}mul{si,di}3_highpart patterns using DWIH mode iterator
        and any_extend code iterator.
        (*<s>muldi3_highpart_1): Macroize insn from
        *{s,u}muldi3_highpart_rex64 patterns using any_extend code iterator.
        (*<s>mulsi3_highpart_1): Macroize insn from *{s,u}mulsi3_highpart_1
        patterns using any_extend code iterator.
        (*<s>mulsi3_highpart_zext): Macroize insn from
        *{s,u}mulsi3_highpart_zext patterns using any_extend code iterator.

2009-10-07  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (tree_add_const_value_attribute_for_decl): Don't add
        DW_AT_const_value if VAR_DIE already has DW_AT_abstract_origin
        refering to a DIE with DW_AT_const_value.

2009-10-07  Vladimir Makarov  <vmakarov@redhat.com>

        PR middle-end/22072
        * ira-lives.c (check_and_make_def_conflict): Process all operands.

2009-10-06  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_node_can_be_local): Handle externally visible nodes
        correctly.

2009-10-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*lea_1_rex64, *lea_1, *lea_1_zext,
        *lea_2_rex64): Move before *add<mode>_1 pattern.

2009-10-07  Jan Hubicka  <jh@suse.cz>

        * collect2.c (main): Add -fno-whole-program.
        * gcc.c (set_collect_gcc_options): Do not remove whole program here.

2009-10-07  Jan Hubicka  <jh@suse.cz>

        * lto-symtab.c (lto_cgraph_replace_node): Assert that inline clones
        has no address taken.
        * cgraph.c (cgraph_mark_needed_node): Assert that inline clones are
        never needed.
        (cgraph_clone_node): Clear externally_visible flag for clones.
        * cgraph.h (cgraph_only_called_directly_p,
        cgraph_can_remove_if_no_direct_calls_p): New predicates.
        * tree-pass.h (pass_ipa_whole_program_visibility): Declare.
        * ipa-cp.c (ipcp_cloning_candidate_p): Use new predicate.
        (ipcp_initialize_node_lattices, ipcp_estimate_growth,
        ipcp_insert_stage): Likwise.
        * cgraphunit.c (cgraph_decide_is_function_needed): Do not compute
        externally_visible flag.
        (verify_cgraph_node): Verify that inline clones look right.
        (process_function_and_variable_attributes): Do not set
        externally_visible flags.
        (ipa_passes): Avoid executing small_ipa_passes at LTO stage; they've
        been already run.
        * lto-cgraph.c (lto_output_node): Assert that inline clones are not
        boundaries.
        * ipa-inline.c (cgraph_clone_inlined_nodes): Use new predicates;
        clear externally_visible when turning into inline clones
        (cgraph_mark_inline_edge): Use new predicates.
        (cgraph_estimate_growth): Likewise.
        (cgraph_decide_inlining): Likewise.
        * ipa.c (cgraph_postorder): Likewise.
        (cgraph_remove_unreachable_nodes): Likewise; sanity check
        that inline clones are not needed.
        (cgraph_externally_visible_p): New predicate.
        (function_and_variable_visibility): Add whole_program parameter;
        always set externally_visible flag; handle COMDAT function
        privatization.
        (local_function_and_variable_visibility): New function.
        (gate_whole_program_function_and_variable_visibility): New function.
        (whole_program_function_and_variable_visibility): New function.
        (pass_ipa_whole_program_visibility): New function.
        * passes.c  (init_optimization_passes): Add whole program visibility
        pass.
        (do_per_function_toporder, function_called_by_processed_nodes_p): Do
        not care about needed/reachable flags.
        * varpool.c: Include flags.h
        (decide_is_variable_needed): When doing LTO assume whole-program mode.
        (varpool_finalize_decl): When we are in LTO read-back, all variables
        are analyzed.
        (varpool_analyze_pending_decls): Skip analyzis of analyzed vars.

2009-10-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/tpf.h (TARGET_DEFAULT): Remove MASK_HARD_FLOAT and
        add MASK_HARD_DFP.

2009-10-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config.gcc: Don't include the makefile fragments intended for
        libgcc.
        * config/s390/fixdfdi.h: File removed.
        * config/s390/libgcc-glibc.ver: File removed.
        * config/s390/s390.h: Remove the fixdfdi.h hack.
        * config/s390/t-crtstuff: File moved to libgcc dir.
        * config/s390/t-linux: Likewise.
        * config/s390/t-tpf: libgcc specific parts removed.
        * config/s390/t-linux64: Likewise.

2009-10-06  Jerry Quinn  <jlquinn@optonline.net>

        * Makefile.in (lto-wrapper): Use COMPILER and ALL_COMPILERFLAGS.
        (lto-compress.o): Likewise.

2009-10-07  Danny Smith  <dannysmith@users.sourceforge.net>

        PR target/41512
        * config/i386/winnt.c (i386_pe_determine_dllexport_p): Don't propagate
        dllexport to class members here.
        (i386_pe_determine_dllimport_p): Only check static class data for
        definition.
        (i386_pe_encode_section_info): Don't recheck DECL_DLLIMPORT_P.
        * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Only check
        functions for vague linkage.
        (i386_pe_type_dllexport_p): Fix formatting.
        (maybe_add_dllexport) New function.
        (i386_pe_adjust_class_at_definition): Use it to propagate dllexport
        to class members.

2009-10-07  Ben Elliston  <bje@au.ibm.com>

        * config/rs6000/a2.md: Remove duplicated lines.

2009-10-07  Ben Elliston  <bje@au.ibm.com>

        * config.gcc (powerpc*-*-*): Handle a2.
        * config/rs6000/rs6000.md (cpu): Add ppca2.  Include "a2.md".
        * config/rs6000/a2.md: New file.
        * config/rs6000/rs6000.opt (mno-update): New.
        (mupdate): Return to using a mask, not a var.
        * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add support for a2.
        (enum processor_type): Add PROCESSOR_PPCA2.
        * config/rs6000/rs6000.c (ppca2_cost): New costs.
        (rs6000_override_options): Add "a2" to processor_target_table.
        Update rs6000_always_hint logic.  Correctly set rs6000_cost for a2.
        * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mcpu=a2.

2009-10-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
        Use explicit gen_truncxfsf2 and gen_truncxfdf2 references to avoid
        reference to nonexistent gen_truncxfxf2 function.

2009-10-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (SWI48, SDWIM, DWI): New mode iterators.
        (DWIH, g, di, doubleint_general_operand): New mode attributes.
        (general_operand): Handle TI mode.
        (add<mode>3): Macroize expander from add{qi,hi,si,di,ti}3 patterns
        using SDWIM mode iterator.
        (*add<mode>3_doubleword): New insn_and_split pattern.  Macroize
        pattern from *add{di,ti}3_1 patterns and corresponding splitters
        using DWI mode iterator.
        (add<mode>3_carry): Macroize insn from add{qi,hi,si,di}3_carry
        patterns using SWI mode iterator.
        (*add<mode>3_cc): Macroize insn from add{si,di}3_cc patterns
        using SWI48 mode iterator.
        (*add<mode>_1): Ditto from add{si,di}_1 patterns.
        (*add<mode>_2): Ditto from add{si,di}_2 patterns.
        (*add<mode>_3): Ditto from add{si,di}_3 patterns.
        (*add<mode>_5): Ditto from add{si,di}_5 patterns.
        (sub<mode>3): Macroize expander from sub{qi,hi,si,di,ti}3 patterns
        using SDWIM mode iterator.
        (*sub<mode>3_doubleword): New insn_and_split pattern.  Macroize
        pattern from *sub{di,ti}3_1 patterns and corresponding splitters
        using DWI mode iterator.
        (sub<mode>3_carry): Macroize insn from sub{qi,hi,si,di}3_carry
        patterns using SWI mode iterator.
        (*sub<mode>_1): Ditto from from sub{qi,hi,si,di}_1 patterns.
        (*sub<mode>_2): Ditto from sub{qi,hi,si,di}_2 patterns.
        (*sub<mode>_3): Ditto from sub{qi,hi,si,di}_3 patterns.
        (<plusminus_insn>xf3): Macroize expander from addxf3 and subxf3
        patterns using plusminus code iterator.
        (<plusminus_insn><mode>3): Macroize expander from add<mode>3 and
        sub<mode>3 patterns using plusminus code iterator.
        * config/i386/i386.c (override_options): Update call to
        gen_subdi_carry_rex64 for renamed function.
        (ix86_expand_int_addcc): Update calls to gen_subdi3_carry_rex64
        and gen_adddi3_carry_rex64 for renamed functions.  Use indirect
        calls to instruction expanders.

2009-10-06  Martin Jambor  <mjambor@suse.cz>

        PR bootstrap/41395
        * opts.c (decode_options): Run IPA-SRA at -O2.

2009-10-06  Richard Guenther  <rguenther@suse.de>

        * lto-symtab.c (lto_symtab_entry_hash): Hash strings, not pointers.

2009-10-06  Tobias Burnus  <burnus@net-b.de>

        PR lto/41591
        * doc/invoke.texi (-flto,-fwhole-program): Make clear that the
        -flto and -fwhole-program flags can be combined.

2009-10-06  Ryan Mansfield  <rmansfield@qnx.com>

        PR driver/41217
        * gcc.c (process_command): Check that -o argument was specified.

2009-10-06  Jerry Quinn  <jlquinn@optonline.net>

        * gimple.c (gimple_type_hash): Use CONST_CAST_TREE to fix compilation.

2009-10-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * c.opt (Wjump-misses-init): Fix typo to enable for ObjC.
        * doc/invoke.texi (Warning Options): Annotate allowed languages
        for -Wunsuffixed-float-constants.

2009-10-05  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (modified_type_die): Don't add DW_AT_name to
        DW_TAG_{const,volatile}_type if its DW_AT_type already has the
        same name and isn't the main variant.

        PR debug/41558
        * dwarf2out.c (loc_by_reference): Removed.
        (dw_loc_list_1): New function.
        (dw_loc_list): Remove toplev argument, add want_address argument.
        Don't look at decl_by_reference_p at all.  Use dw_loc_list_1.
        (loc_list_from_tree) <case VAR_DECL>: Pass want_address rather than
        want_address == 2 to dw_loc_list.  For successful dw_loc_list
        set have_address to 1 only if want_address is not 0.

2009-10-05  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips-protos.h (mips_trampoline_code_size): Declare.
        * config/mips/mips.h (TRAMPOLINE_SIZE): Redefine as the size of
        a code block followed by two pointers.
        (TRAMPOLINE_ALIGNMENT): Define to 64 for 32-bit targets too.
        * config/mips/mips.c (MIPS_LOAD_PTR): New macro.
        (MIPS_MOVE): Likewise.
        (MIPS_LUI): Likewise.
        (MIPS_JR): Likewise.
        (MIPS_BAL): Likewise.
        (MIPS_NOP): Likewise.
        (mips_asm_trampoline_template): Delete.
        (mips_trampoline_code_size): New function.
        (mips_trampoline_init): Add shorter sequences for all cases
        except Pmode == DImoe && !TARGET_USE_PIC_FN_ADDR_REG.
        Calculate the opcodes directly, rather than copying from a template.
        Only flush the code part of the trampoline.
        (TARGET_ASM_TRAMPOLINE_TEMPLATE): Delete.

2009-10-05  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.h (DWARF_FRAME_RETURN_COLUMN): Replace
        GP_REG_FIRST + 31 with RETURN_ADDR_REGNUM.
        (INCOMING_RETURN_ADDR_RTX): Likewise.
        (FUNCTION_PROFILER): Likewise.  Replace GP_REG_FIRST + 1
        with AT_REGNUM.
        * config/mips/sdemtk.h (FUNCTION_PROFILER): Replace GP_REG_FIRST + 31
        with RETURN_ADDR_REGNUM.
        (MIPS_SAVE_REG_FOR_PROFILING_P): Likewise.
        * config/mips/mips.c (mips16_build_call_stub): Replace
        GP_REG_FIRST + 31 with RETURN_ADDR_REGNUM, GP_REG_FIRST + 1
        with AT_REGNUM and 31 with RETURN_ADDR_REGNUM.
        (mips_print_operand_punctuation): Likewise.
        (mips_frame_set): Likewise.
        (mips16e_output_save_restore): Likewise.
        (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
        (mips_save_reg_p): Likewise.
        (mips_return_addr): Likewise.
        (mips_set_return_address): Likewise.
        (mips_direct_save_slot_move_p): Likewise.
        (mips_output_function_prologue): Likewise.
        (mips_restore_reg): Likewise.
        (mips_expand_epilogue): Likewise.
        (mips_epilogue_uses): Likewise.
        * config/mips/mips.md (RETURN_ADD_REGNUM): Define.
        (*mov<mode>_ra): Use it instead of a hard-coded 31.
        (clear_hazard_<mode>): Likewise.
        (call_internal): Likewise.
        (call_internal_direct): Likewise.
        (call_direct_split): Likewise.
        (call_value_internal): Likewise.
        (call_value_split): Likewise.
        (call_value_internal_direct): Likewise.
        (call_value_direct_split): Likewise.
        (call_value_multiple_internal): Likewise.
        (call_value_multiple_split): Likewise.

2009-10-05  Eric Botcazou  <ebotcazou@adacore.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/41511
        * combine.c (record_value_for_reg): Pass explicit values as argument
        to get_last_value_validate.
        (get_last_value_validate): Document INSN parameter.
        For non-readonly MEMs, assume they might have been modified if INSN
        was in another basic block.
        (get_last_value): Minor reformatting.

2009-10-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR tree-opt/40992
        * final.c (asm_str_count): Split out from asm_insn_count.
        * rtl.h (asm_str_count): New prototype.
        * tree-inline (estimate_num_insns) <case GIMPLE_ASM>: Call
        asm_str_count.

2009-10-05  Sriraman Tallam  <tmsriram@google.com>

        * doc/plugins.texi: Change plugin_pass to register_pass_info.

2009-10-05  Basile Starynkevitch  <basile@starynkevitch.net>
            Rafael Espindola  <espindola@google.com>

        * gengtype.c (write_types): Moved call to write_func_for_structure
        into seperate loops.

2009-10-05  Richard Guenther  <rguenther@suse.de>

        PR lto/41281
        * lto-cgraph.c (output_cgraph): Output toplevel asms.
        (input_cgraph_1): Input toplevel asms.

2009-10-05  Richard Guenther  <rguenther@suse.de>

        PR lto/40902
        * lto-symtab.c (lto_compatible_attributes_p): Remove.
        (external_aggregate_decl_p): Likewise.
        (lto_symtab_compatible): Re-structure.  Remove dead code.
        For variables ignore toplevel qualifiers when comparing types.
        Issue warnings, not errors for mismatched user-alignment.

2009-10-05  Richard Guenther  <rguenther@suse.de>

        PR lto/41552
        PR lto/41487
        * lto-symtab.c (struct lto_symtab_base_def): Remove.
        (struct lto_symtab_identifier_def): Likewise.
        (struct lto_symtab_decl_def): Likewise.
        (struct lto_symtab_entry_def): New.
        (lto_symtab_identifier_t): Rename to ...
        (lto_symtab_entry_t): ... this.
        (lto_symtab_decls): Remove.
        (lto_symtab_base_hash): Rename to ...
        (lto_symtab_entry_hash): ... this.
        (lto_symtab_base_eq): Rename to ...
        (lto_symtab_entry_eq): ... this.
        (lto_symtab_base_marked_p): Rename to ...
        (lto_symtab_entry_marked_p): ... this.
        (lto_symtab_identifier_marked_p): Remove.
        (lto_symtab_decl_marked_p): Likewise.
        (lto_symtab_maybe_init_hash_tables): Rename to ...
        (lto_symtab_maybe_init_hash_table): ... this.
        (lto_symtab_set_resolution_and_file_data): Remove.
        (lto_symtab_register_decl): New function.
        (lto_symtab_get_identifier): Remove.
        (lto_symtab_get): New function.
        (lto_symtab_get_resolution): Adjust.
        (lto_symtab_get_identifier_decl): Remove.
        (lto_symtab_set_identifier_decl): Likewise.
        (lto_symtab_merge_decl): Rename to ...
        (lto_symtab_merge): ... this.  Rewrite.
        (lto_symtab_merge_var): Remove.
        (lto_symtab_merge_fn): Likewise.
        (lto_symtab_prevailing_decl): Adjust.
        (lto_cgraph_replace_node): New function.
        (lto_symtab_merge_decls_2): Likewise.
        (lto_symtab_merge_decls_1): Likewise.
        (lto_symtab_fixup_var_decls): Likewise.
        (lto_symtab_resolve_symbols): Likewise.
        (lto_symtab_merge_decls): Likewise.
        (lto_symtab_prevailing_decl): Adjust.
        (lto_symtab_get_symtab_def): Remove.
        (lto_symtab_get_file_data): Likewise.
        (lto_symtab_clear_resolution): Adjust.
        (lto_symtab_clear_resolution): Likewise.
        * lto-cgraph.c (input_edge): Do not merge cgraph nodes here.
        (input_cgraph_1): Likewise.
        * lto-streamer-in.c (get_resolution): Do not provide fake
        symbol resolutions here.
        (deferred_global_decls): Remove.
        (lto_register_deferred_decls_in_symtab): Likewise.
        (lto_register_var_decl_in_symtab): Change signature, register
        variable via lto_symtab_register_decl.
        (lto_register_function_decl_in_symtab): Likewise.
        (lto_read_tree): Adjust.
        * lto-streamer.h (lto_register_deferred_decls_in_symtab): Remove.
        (lto_symtab_merge_var): Likewise.
        (lto_symtab_merge_fn): Likewise.
        (lto_symtab_register_decl): Declare.
        (lto_symtab_merge_decls): Likewise.

2009-10-05  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/23821
        * tree-vrp.c (vrp_finalize): Do not perform copy propagation.
        * tree-ssa-dom.c (cprop_operand): Do not propagate copies into
        simple IV increments.

2009-10-05  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm.c (arm_override_options): Really initialize
        flag_dwarf2_cfi_asm to 0.

2009-10-05  Doug Kwan  <dougkwan@google.com>

        PR rtl-optimization/41574
        * combine.c (distribute_and_simplify_rtx): Quit if RTX mode is
        floating point and we are not doing unsafe math optimizations.

2009-10-03  Simon Baldwin  <simonb@google.com>
            Cary Coutant  <ccoutant@google.com>
            Rafael Espindola  <espindola@google.com>
            Richard Guenther  <rguenther@suse.de>
            Jan Hubicka  <jh@suse.cz>
            Doug Kwan <dougkwan@google.com>
            H.J. Lu  <hongjiu.lu@intel.com>
            Bill Maddox  <maddox@google.com>
            Ryan Mansfield  <rmansfield@qnx.com>
            Diego Novillo  <dnovillo@google.com>
            Ollie Wild  <aaw@google.com>
            Kenneth Zadeck <zadeck@naturalbridge.com>

        * lto-cgraph.c: New file.
        * lto-compress.c: New file.
        * lto-compress.h: New file.
        * lto-opts.c: New file.
        * lto-section-in.c: New file.
        * lto-section-out.c: New file.
        * lto-streamer-in.c: New file.
        * lto-streamer-out.c: New file.
        * lto-streamer.c: New file.
        * lto-streamer.h: New file.
        * lto-symtab.c: New file.
        * lto-wpa-fixup.c: New file.
        * lto-wrapper.c: New file.

2009-10-03  Simon Baldwin  <baldwin@google.com>
            Ben Elliston  <bje@au.ibm.com>
            Rafael Espindola  <espindola@google.com>
            Nathan Froyd  <froydnj@codesourcery.com>
            Jan Hubicka  <jh@suse.cz>
            Doug Kwan  <dougkwan@google.com>
            Diego Novillo  <dnovillo@google.com>
            Kenneth Zadeck  <zadeck@naturalbridge.com>

        * Makefile.in (enable_lto): New.
        (site.exp): If @enable_lto@ is set to 'yes' define ENABLE_LTO.
        (LINKER_PLUGIN_API_H): Define.
        (LTO_SYMTAB_H): Define.
        (LTO_STREAMER_H): Define.
        (TREE_VECTORIZER_H): Define.
        (INCLUDES): Add LIBELFINC.
        (OBJS-common): Add lto-cgraph.o, lto-streamer-in.o,
        lto-streamer-out.o, lto-section-in.o, lto-section-out.o, lto-symtab.o,
        lto-opts.o, lto-streamer.o, lto-wpa-fixup.o, lto-compress.o.
        (MOSTLYCLEANFILES): Add lto-wrapper$(exeext)
        (native): Add lto-wrapper$(exeext)
        (lto-compress.o, lto-cgraph.o, lto-streamer-in.o,
        lto-streamer-out.o, lto-section-in.o, lto-section-out.o,
        lto-symtab.o, lto-opts.o, lto-streamer.o, lto-wpa-fixup.o): New rules.
        (gimple.o): Add dependency on LTO_HEADER_H and LTO_SECTION_OUT_H.
        (varasm.o): Add dependency on tree-iterator.h.
        (cgraph.o): Add dependency on cif-code.def.
        (ipa-reference.o): Add dependency on LTO_STREAMER_H.
        (ipa-pure-const.o): Likewise.
        (GTFILES): Add lto-symtab.c.
        (install-lto-wrapper): New.
        * configure.ac: If 'lto' is in enable_languages, define ENABLE_LTO
        and enable_lto.  If LIBELFLIBS is set, define HAVE_libelf.
        * config.in: Regenerate.

2009-10-03  Rafael Espindola  <espindola@google.com>
            Diego Novillo  <dnovillo@google.com>

        * cgraphunit.c (ipa_passes): Prevent lto1 from calling
        ipa_write_summaries.
        Call execute_ipa_summary_passes for all_regular_ipa_passes and
        all_lto_gen_passes.
        (cgraph_optimize): Make extern.

2009-10-03  Nathan Froyd  <froydnj@codesourcery.com>
            Kenneth Zadeck <zadeck@naturalbridge.com>

        * toplev.c (in_lto_p): Declare.
        * collect2.c (scan_prog_file): Read all the output when reading
        information for LTO.
        (enum lto_mode_d): Declare.

2009-10-03  Richard Guenther  <rguenther@suse.de>
            Diego Novillo  <dnovillo@google.com>

        * gimple.c: Include target.h and alias.h.
        (gimple_types): Declare.
        (type_hash_cache): Declare.
        (gimple_alloc_stat): Make extern.
        (gimple_build_eh_must_not_throw): Call
        gimple_eh_must_not_throw_set_fndecl.
        (struct type_pair_d): Declare.
        (type_pair_t): Declare.
        (type_pair_hash): New.
        (type_pair_eq): New.
        (lookup_type_pair): New.
        (gimple_force_type_merge): New.
        (compare_type_names_p): New.
        (compare_field_offset): New.
        (gimple_types_compatible_p): New.
        (struct sccs): Declare.
        (next_dfs_num): Declare.
        (iterative_hash_gimple_type): New.
        (visit): New.
        (iterative_hash_type_name): New.
        (iterative_hash_gimple_type): New.
        (gimple_type_hash): New.
        (gimple_type_eq): New.
        (gimple_register_type): New.
        (print_gimple_types_stats): New.
        (gimple_signed_or_unsigned_type): New.
        (gimple_unsigned_type): New.
        (gimple_signed_type): New.
        (gimple_get_alias_set): New.
        (gimple_decl_printable_name): Do not use DMGL_TYPES.
        * gimple.h (gimple_alloc, gimple_alloc_stat): Declare.
        (gimple_force_type_merge): Declare.
        (gimple_types_compatible_p): Declare.
        (gimple_register_type): Declare.
        (print_gimple_types_stats): Declare.
        (gimple_unsigned_type): Declare.
        (gimple_signed_type): Declare.
        (gimple_get_alias_set): Declare.
        (gimple_eh_must_not_throw_set_fndecl): New.

2009-10-03  Jan Hubicka  <jh@suse.cz>
            Kenneth Zadeck <zadeck@naturalbridge.com>

        * ipa-pure-const.c: Include lto-streamer.h.
        (register_hooks): Factor out of ...
        (generate_summary): ... here.
        (pure_const_write_summary): New.
        (pure_const_read_summary): New.
        (pass_ipa_pure_const): Add pure_const_write_summary and
        pure_const_read_summary.
        * ipa-reference.c: Include lto-streamer.h.
        (add_new_function): New.
        (remove_node_data): New.
        (duplicate_node_data): New.
        (ipa_init): Guard against multiple calls.
        Move hook setup from analyze_function.
        (write_node_summary_p): New.
        (ipa_reference_write_summary): New.
        (ipa_reference_read_summary): New.
        (pass_ipa_reference): Add ipa_reference_write_summary and
        ipa_reference_read_summary.
        * cgraph.h (cgraph_local_info): Add field lto_file_data.
        (struct cgraph_edge): Add fields lto_stmt_uid and
        call_stmt_cannot_inline_p.
        (cgraph_optimize): Declare.
        (cgraph_decide_is_function_needed): Declare.
        (reset_inline_failed): Declare.
        (enum LTO_cgraph_tags): Declare.
        (LTO_cgraph_tag_names): Declare.
        (LCC_NOT_FOUND): Define.

2009-10-03  Doug Kwan  <dougkwan@google.com>
            Rafael Espindola  <espindola@google.com>
            Jan Hubicka  <jh@suse.cz>
            Diego Novillo  <dnovillo@google.com>
            Kenneth Zadeck  <zadeck@naturalbridge.com>

        * passes.c (all_regular_ipa_passes): New.
        (all_ipa_passes): Rename to all_small_ipa_passes.
        (init_optimization_passes): Init all_regular_ipa_passes.
        * tree-pass.h (all_regular_ipa_passes): New.
        (all_ipa_passes): Rename to all_small_ipa_passes.
        * passes.c (all_lto_gen_passes): New.
        (init_optimization_passes): Initialize all_lto_gen_passes.
        (execute_ipa_summary_passes): Make non-static.
        (ipa_write_summaries_1): New.
        (ipa_write_summaries_2): New.
        (ipa_write_summaries): New.
        (ipa_write_summaries_of_cgraph_node_set): New.
        (ipa_read_summaries_1): New.
        (ipa_read_summaries): New.
        (execute_ipa_pass_list): Call cgraph_process_new_functions.
        (execute_regular_ipa_pass_list): Remove.
        (init_optimization_passes): Schedule
        pass_rebuild_cgraph_edges and pass_early_inline outside
        of pass_all_early_optimizations.  Document reason.
        (pass_ipa_lto_gimple_out, pass_ipa_lto_wpa_fixup,
        pass_ipa_lto_finish_out): New pass.
        (pass_ipa_summary_passes): Start and stop timers if the pass has them.
        (execute_all_ipa_transforms): New.
        (execute_one_pass): Don't call execute_one_ipa_transform_pass.
        (dump_properties, debug_properties): New.
        * tree-optimize.c (gate_all_early_local_passes): Return
        false if we are in lto1.
        (tree_rest_of_compilation): Call execute_all_ipa_transforms.
        * tree-pass.h (execute_all_ipa_transforms): Declare.
        (pass_ipa_function_and_variable_visibility): Declare.
        (pass_ipa_early_inline): Declare.
        (pass_ipa_lto_gimple_out): Declare.
        (pass_ipa_lto_wpa_fixup): Declare.
        (pass_ipa_lto_finish_out): Declare.
        (all_small_ipa_passes, all_regular_ipa_passes,
        all_lto_gen_passes): Declare.
        (execute_ipa_summary_passes): Declare.
        (execute_all_ipa_transforms): Declare.
        (ipa_write_summaries): Declare
        (ipa_write_summaries_of_cgraph_node_set): Declare.
        (ipa_read_summaries): Declare.

2009-10-03  Doug Kwan  <dougkwan@google.com>
            Ollie Wild  <aaw@google.com>

        * ipa-prop.c (ipa_propagate_indirect_call_infos): Do nothing in WPA.

        * collect2.c (LTO_MODE_NONE, LTO_MODE_LTO, LTO_MODE_WPA): New enums.
        (lto_mode): New variable.
        (maybe_run_lto_and_relink): Handle the -fwpa option.
        (main): Handle the -fwpa option.
        (maybe_unlink_list): New function.
        * gcc.c (link_lto_options): Replace -flto with -fwpa.
        * common.opt (flto): New flag.
        * toplev.c (flag_generate_lto): Declare.

2009-10-03  Simon Baldwin  <simonb@google.com>

        * common.opt (flto-compression-level): New flag.

        * opts.c: Include lto-opts.h.
        (handle_option): Call lto_register_user_option for each
        valid option handled.
        (decode_options): Clear registered options before the options
        handling loop.

2009-10-03  Cary Coutant  <ccoutant@google.com>

        * collect2.c (is_elf): New function.
        (scan_prog_file): Require LTO object to be in ELF format.

2009-10-03  Rafael Espindola  <espindola@google.com>

        * gcc.c (LINK_COMMAND_SPEC): Use the -pass-through option to pass
        libgcc to the linker.

        * ipa-cp.c (cgraph_gate_cp): Return false if LTRANS is running.

        * collect2.c (maybe_run_lto_and_relink): Execute lto-wrapper.
        (collect_execute): Add flags argument. Pass flags to pex_run. Update
        all callers.
        * collect2.h (collect_execute): Add flags argument.
        * tlink.c (tlink_execute): Update call to collect_execute.
        * gcc.c (main): Set the COLLECT_LTO_WRAPPER environment variable.
        (use_linker_plugin): New.
        (use_linker_plugin_spec_function): New.
        (LINK_COMMAND_SPEC): Pass plugin options to the linker.
        (linker_plugin_file_spec): New.
        (lto_wrapper_spec): New.
        (lto_gcc_spec): New.
        (static_specs): Add linker_plugin_file, lto_wrapper and lto_gcc.
        (static_spec_functions): Add use-linker-plugin.
        (process_command): Handle -use-linker-plugin.
        (main): Use lto_wrapper_spec instead of lto_wrapper. Set
        linker_plugin_file_spec and lto_gcc_spec.
        (use_linker_plugin_spec_function): New.

2009-10-03  Richard Guenther  <rguenther@suse.de>

        PR lto/41547
        PR lto/41548
        * tree.h (is_lang_specific): Include LANG_TYPE.
        * tree.c (find_decls_types_r): Manually add interesting parts
        of TYPE_FIELDS.  Walk BINFO_VIRTUALS.  Do not walk TYPE_METHODS.

        * gimple.c (type_pair_hash): Make symmetric.
        (type_pair_eq): Likewise.
        (lookup_type_pair): Increase initial hashtable size.
        (gimple_force_type_merge): Rely on type-pair symmetry.
        (visit): Remove excessive checking code.
        (iterative_hash_type_name): Do not hash TYPE_NAME of anonymous unions.
        (gimple_register_type): Remove getenv calls, shrink initial
        hashtable size.

        PR middle-end/41502
        * cgraphunit.c (ipa_passes): Do not remove bodies of extern
        inline functions if not generating lto output.

        PR lto/41379
        * toplev.c (finalize): In WPA mode remove the asm file.

2009-10-03  Doug Kwan  <dougkwan@google.com>

        * ipa-inline.c (cgraph_mark_inline): Check
        edge->call_stmt_cannot_inline_p instead of calling
        gimple_call_cannot_inline_p.
        (cgraph_decide_inlining): Do nothing in WPA and LTRANS.
        (cgraph_gate_ipa_early_inlining): Return false if in_lto_p is set.
        (inline_generate_summary): Do nothing in LTRANS.
        * cgraph.c (initialize_inline_failed): Make sure e->call_stmt
        exists before calling gimple_call_cannot_inline_p.
        (cgraph_create_edge): Set edge->call_stmt_cannot_inline_p.
        (cgraph_clone_edge): Add argument STMT_UID.  Modify all callers.
        Update new_edge->lto_stmt_uid.
        * cgraphbuild.c (reset_inline_failed): New.

        * common.opt (fwpa): New flag.
        (fltrans): New option.
        * gcc.c (gcc_lto_option_t): New type.
        (current_lto_option): New variable.
        (lto_single_spec_function): Remove and is replaced by ..
        (lto_option_spec_function): New function.
        (LINK_COMMAND_SPEC): Use link_lto_option spec instead of just
        passing the -flto flag.
        (cc1_options): Separate non-LTO related parts into ..
        (cc1_non_lto_options): Non-LTO related options shared by all FEs.
        (lto1_options): New spec for lto FE.
        (link_lto_options): New spec for handling LTO flags in linker.
        (invoke_lto_single): Re-format to fit in 80 column.  Replace
        lto-single with lto-option.
        (static_specs): Add cc1_non_lto_options, lto1_options and
        link_lto_options.
        (static_spec_function): Replace lto-single with lto-option.
        (process_command): Handle -flto, -fwpa and -fltran by setting
        current_lto_option and not passing it to subprocess unconditionally.

2009-10-03  Bill Maddox  <maddox@google.com>

        Add `gcc' driver support for link-time code generation (LTO).

        * collect2.c (enum pass): Add new literal PASS_LTOINFO.
        (lto_flag, lto_objects, lto_o_file): New variables.
        (struct lto_object, struct lto_object_list): New structures.
        (collect_exit, handler): Remove LTO temporary output file on exit.
        (add_lto_object): New function.
        (maybe_run_lto_and_relink): New function. Perform link time code
        generation and relinking for object files containing LTO information.
        (main): Invoke maybe_run_lto_and_relink().
        (dump_argv): New function.  For debugging, currently disabled.
        (scan_prog_file): Add LTO information pass.
        * gcc.c (LINK_COMMAND_SPEC): Pass `-flto' switch to linker, i.e.,
        collect2.
        * toplev.c (compile_file): Emit assembler directive to create
        the `gnu_lto_v1' marker symbol when compiling with `-flto'.

2009-10-03  Diego Novillo  <dnovillo@google.com>

        * c.opt: Add LTO to warn_abi and warn_psabi.

        * tree.c (fld_worklist_push): Rename from PUSH.  Convert to static
        inline function.  Ignore language-specific nodes.  Update all users.
        (find_decls_types_r): Do not traverse the subtrees of
        language-specific nodes.  Do not traverse DECL_INITIAL for TYPE_DECLs.
        * tree.h (is_lang_specific): New.
        * langhooks.h (struct lang_hooks_for_decls): Remove
        may_need_assembler_name_p.  Update all users.

        * c-common.c (set_builtin_user_assembler_name): Move ...
        * builtins.c (set_builtin_user_assembler_name): ... here.
        (is_builtin_name): Add comment
        (is_builtin_fn): New.
        * except.c (output_ttype): Only call
        lookup_type_for_runtime if TYPE is not a runtime type.

        * passes.c (register_pass): Call position_pass on
        all_small_ipa_passes, all_regular_ipa_passes and all_lto_gen_passes.
        * timevar.def (TV_IPA_LTO_GIMPLE_IO): Define.
        (TV_IPA_LTO_DECL_IO): Define.
        (TV_IPA_LTO_CGRAPH_IO): Define.
        (TV_LTO): Define.
        (TV_WHOPR_WPA): Define.
        (TV_WHOPR_WPA_IO): Define.
        (TV_WHOPR_LTRANS): Define.
        (TV_WHOPR_WPA_FIXUP): Define.
        (TV_WHOPR_WPA_LTRANS_EXEC): Define.
        * tree-cfg.c (tree_node_can_be_shared): Make extern.
        * tree-flow.h (tree_node_can_be_shared): Declare.
        * tree-inline.c (tree_can_inline_p): Check that E has a
        statement associated with it.
        * tree.c (free_lang_data_in_binf): Factor out of ...
        (free_lang_data_in_type): ... here.
        Call RECORD_OR_UNION_TYPE_P.
        (need_assembler_name_p): Ignore DECL if it does not have TREE_PUBLIC
        set.  Call lang_hooks.decls.may_need_assembler_name_p if set.
        (free_lang_data_in_decl): Do not clear DECL_CONTEXT for CONST_DECLs.
        (free_lang_data): Set debug_info_level to DINFO_LEVEL_NONE.  Set
        write_symbols to NO_DEBUG.  Set debug_hooks to do_nothing_debug_hooks.
        (gate_free_lang_data): Return true if flag_generate_lto is set.
        (walk_tree_1): Call RECORD_OR_UNION_TYPE_P.
        * c-common.h (set_builtin_user_assembler_name): Move ...
        * tree.h (set_builtin_user_assembler_name): ... here.

        * common.opt (flto-report): New flag.
        * opts.c (complain_wrong_lang): Do not complain if running lto1.
        * collect2.c (scan_prog_file): Send the error output of
        'nm' to HOST_BIT_BUCKET.

2009-10-03  Ollie Wild  <aaw@google.com>

        * langhooks-def.h (lhd_begin_section): New function declaration.
        (lhd_write_section): New function declaration.
        (lhd_end_section): New function declaration.
        (LANG_HOOKS_BEGIN_SECTION): New macro.
        (LANG_HOOKS_WRITE_SECTION_DATA): New macro.
        (LANG_HOOKS_END_SECTION): New macro.
        (LANG_HOOKS_LTO): New macro.
        (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_LTO.
        * langhooks.c (output.h): Add include.
        (saved_section): New static variable.
        (lhd_begin_section): New function.
        (lhd_write_section_data): New function.
        (lhd_end_section): New function.
        * langhooks.h (struct lang_hooks_for_lto): New structure.
        (struct lang_hooks): Add member lto.
        * Makefile.in (langhooks.o): Add dependency on output.h.

        * c-opts.c (c_common_post_options): Handle -flto and -fwhopr.

2009-10-03  Richard Guenther  <rguenther@suse.de>

        * config/rs6000/rs6000.c (rs6000_output_function_epilogue):
        Handle LTO.

2009-10-03  Simon Baldwin  <simonb@google.com>
            Richard Guenther  <rguenther@suse.de>
            Janis Johnson  <janis187@us.ibm.com>
            Doug Kwan  <dougkwan@google.com>
            Diego Novillo  <dnovillo@google.com>
            Ramana Radhakrishnan  <ramana.r@gmail.com>
            Ollie Wild  <aaw@google.com>

        * doc/install.texi: Add documentation for libelf and --enable-lto.
        * doc/invoke.texi: Document -fwpa, -flto, -fwhopr, -fltrans,
        -flto-report, -flto-compression-level and -use-linker-plugin.
        * doc/sourcebuild.texi: Document use of zlib.  Document lto-plugin.
        Add section for LTO Testing.

2009-10-02  Cary Coutant  <ccoutant@google.com>

        Add support for comdat type sections for DWARF v4.
        Merge from dwarf4 branch.

        * dwarf2out.c (DWARF_TYPE_SIGNATURE_SIZE): New constant.
        (dw_die_ref): Define vector type.
        (enum dw_val_class): Add dw_val_class_data8.
        (struct dw_val_struct): Add v.val_data8.
        (comdat_type_node_ref): New type.
        (struct die_struct): Move die_symbol into a union; add new field
        die_type_node.  Change all uses.
        (comdat_type_node): New type.
        (skeleton_chain_node): New type.
        (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): New constant.
        (comdat_type_list): New variable.
        (dwarf_tag_name): Add DW_TAG_type_unit.
        (dwarf_attr_name): Add DW_AT_signature.
        (add_AT_data8): New function.
        (replace_child): New function.
        (move_all_children): New function.
        (print_signature): New function.
        (print_die): Print signature information; add dw_val_class_data8.
        (attr_checksum): Support dw_val_class_data8.
        (CHECKSUM_STRING): Redefine for DWARF-4 to include trailing NULL byte.
        (CHECKSUM_SLEB128, CHECKSUM_ULEB128): New macros.
        (checksum_sleb128, checksum_uleb128): New functions.
        (checksum_die_context): New function.
        (loc_checksum_ordered): New function.
        (attr_checksum_ordered): New function.
        (struct checksum_attributes): New structure.
        (collect_checksum_attributes): New function.
        (die_checksum_ordered): New function.
        (generate_type_signature): New function.
        (same_dw_val_p): Add dw_val_class_data8.
        (is_symbol_die): Use new is_declaration_die function.
        (is_declaration_die): New function.
        (should_move_die_to_comdat): New function.
        (clone_die): New function.
        (clone_tree): New function.
        (clone_as_declaration): New function.
        (copy_declaration_context): New function.
        (generate_skeleton_ancestor_tree): New function.
        (generate_skeleton_bottom_up): New function.
        (generate_skeleton): New function.
        (remove_child_or_replace_with_skeleton): New function.
        (break_out_comdat_types): New function.
        (struct decl_table_entry): New type.
        (htab_decl_hash): New function.
        (htab_decl_eq): New function.
        (htab_decl_del): New function.
        (copy_ancestor_tree): New function.
        (copy_decls_walk): New function.
        (copy_decls_for_unworthy_types): New function.
        (build_abbrev_table): Don't assert on missing die_symbol when doing
        comdat type sections.
        (size_of_die): Use DW_FORM_sig8 for external references.  Add
        dw_val_class_data8.
        (unmark_dies): Don't assert for unmarked dies when doing comdat
        type sections.
        (value_format): Support DW_FORM_sig8 and dw_val_class_data8.
        (output_signature): New function.
        (output_die): Likewise.
        (output_compilation_unit_header): Mark output as DWARF version 3
        even if generating DWARF 4.
        (output_comdat_type_unit): New function.
        (output_line_info): Mark output as DWARF version 3 even if generating
        DWARF 4.
        (dwarf2out_start_source_file): Don't do eliminate_dwarf2_dups with
        DWARF-4.
        (dwarf2out_end_source_file): Likewise.
        (prune_unused_types_walk_attribs): Don't follow references into
        comdat type sections.
        (prune_unused_types_mark): When generating type units, do not mark
        children of non-defining declarations of types; do mark children of
        type entries.
        (prune_unused_types): Process comdat type sections.
        (htab_ct_hash): New function.
        (htab_ct_eq): New function.
        (dwarf2out_finish): Move types to comdat sections when using DWARF-4.
        Add a pointer to the line table from type unit entries so
        DW_AT_decl_file has meaning.
        * varasm.c (default_elf_asm_named_section): Use identifier name as
        comdat key instead of lang hook.

2009-10-02  Neil Vachharajani  <nvachhar@google.com>

        * gcov-io.c (gcov_open): Open files read-only when MODE < 0.

2009-10-02  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (SWIM248): New mode iterator.
        (divmod<mode>4) Macroize expander from divmoddi4, divmodsi4 and
        divmodhi4 patterns using SWIM248 macro.
        (*divmod<mode>4): Macroize insn_and_split pattern from
        *divmoddi4_cltd_rex64, *divmodsi4_cltd and divmodhi4 insn patterns
        and their corresponding splitters usign SWIM248 macro.  Split SImode
        insn to generate cltd and DImode insn to generate cqto instead of
        move+shift when optimizing for size or TARGET_USE_CLTD is in effect.
        (*divmoddi4_nocltd_rex64, *divmodsi4_nocltd): Remove insn patterns.
        (*divmod<mode>4_noext): Macroize insn from *divmoddi_noext_rex64 and
        *divmodsi_noext patterns using SWIM248 macro.
        (udivmod<mode>4): Macroize expander from udivmoddi4, udivmodsi4 and
        udivmodhi4 patterns using SWIM248 macro.
        (*udivmod<mode>4): Macroize insn_and_split pattern from
        *udivmoddi4, udivmodsi4 and udivmodhi4 patterns and their
        corresponding splitters using SWIM248 macro.
        (*udivmod<mode>4_noext): Macroize insn from *udivmoddi4_noext,
        *udivmodsi4_noext and *udivmodhi_noext patterns using SWIM248 macro.

2009-10-02  Eric Botcazou  <ebotcazou@adacore.com>

        * stor-layout.c (layout_type) <ARRAY_TYPE>: Make sure that an array
        of zero-sized element is zero-sized regardless of its extent.

2009-10-02  Jakub Jelinek  <jakub@redhat.com>

        PR debug/40521
        * configure.ac (HAVE_GAS_CFI_SECTIONS_DIRECTIVE): New test.
        * configure: Regenerated.
        * config.in: Regenerated.
        * dwarf2out.c (dwarf2out_do_cfi_asm): Return false if
        !HAVE_GAS_CFI_SECTIONS_DIRECTIVE and not emitting .eh_frame.
        (dwarf2out_init): If HAVE_GAS_CFI_SECTIONS_DIRECTIVE and
        not emitting .eh_frame, emit .cfi_sections .debug_frame
        directive.

        PR debug/41404
        PR debug/41353
        * cfgexpand.c (expand_debug_expr) <case STRING_CST>: Don't create
        CONST_STRING if STRING_CST contains embedded '\0's or doesn't end
        with '\0'.
        (expand_debug_expr) <case VAR_DECL>: For TREE_STATIC !DECL_EXTERNAL
        vars use DECL_RTL with resetting it back to NULL afterwards.
        * dwarf2out.c (same_dw_val_p): For dw_val_class_addr compare with
        rtx_equal_p instead of asserting it is a SYMBOL_REF.
        (value_format): For dw_val_class_addr only use DW_FORM_addr if
        the attribute type allows it, otherwise use DW_FORM_dataN.
        (mem_loc_descriptor): Handle CONST_STRING.
        (add_const_value_attribute): Handle CONST_STRING using add_AT_addr.
        Handle MEM with CONST_STRING address using add_AT_string.
        (rtl_for_decl_init): Return MEM with CONST_STRING address instead of
        CONST_STRING for const arrays initialized with a string literal.
        (resolve_one_addr, resolve_addr_in_expr, resolve_addr): New functions.
        (dwarf2out_finish): Call resolve_addr.

2009-10-02  Andreas Schwab  <schwab@linux-m68k.org>
            Maxim Kuvyrkov  <maxim@codesourcery.com>

        * config/m68k/lb1sf68.asm (PICCALL): Use variable sized branch.

2009-10-02  Nick Clifton  <nickc@redhat.com>

        * config/mn10300/mn10300.h (USER_LABEL_PREFIX): Define.
        (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.

2009-10-01  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_clone_node): Add redirect_callers parameter.
        (cgraph_create_virtual_clone): Just pass redirect_callers
        around.
        * cgraph.h (cgraph_clone_node): Update prototype.
        * ipa-pure-const.c (self_recursive_p): New function.
        (propagate): Use it.
        * ipa-inline.c (cgraph_clone_inlined_nodes,
        cgraph_decide_recursive_inlining): Update.

2009-10-01  David Daney  <ddaney@caviumnetworks.com>

        * gcc/config/mips/mips.c (mips_process_sync_loop) Emit syncw
        instructions for TARGET_OCTEON.

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.

2009-10-01  Martin Jambor  <mjambor@suse.cz>

        PR middle-end/12392
        * tree-sra.c (convert_callers): Do not call
        compute_inline_parameters on one caller more than once.

2009-10-01  Nick Clifton  <nickc@redhat.com>

        * config/vax/netbsd-elf.h (NETBSD_CC1_AND_CC1PLUS_SPEC): Define as
        an empty string if not already defined.

2009-10-01  Martin Jambor  <mjambor@suse.cz>

        PR bootstrap/41395
        * tree-sra.c (is_va_list_type): New function.
        (find_var_candidates): Call is_va_list_type.
        (find_param_candidates): Check that the type or the type pointed
        to are not va_list types.

2009-10-01  Martin Jambor  <mjambor@suse.cz>

        PR c++/41503
        * cp/pt.c (function_parameter_expanded_from_pack_p): Return false if
        DECL_ARTIFICIAL (param_decl) is true.

2009-09-30  Gabriel Dos Reis  <gdr@cs.tamu.edu>

        * tree.h (tree_decl_common::lang_flag_8): New.
        * c-common.c (c_common_reswords): Include "constexpr" as C++0x
        keyword.
        * c-common.h (RID_CONSTEXPR): New.

2009-09-30  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (alpha_gimplify_va_arg_1):
        Use ref-all pointers.
        (alpha_gimplify_va_arg): Ditto.

2009-09-30  Jakub Jelinek  <jakub@redhat.com>

        PR target/41279
        * cfgloopanal.c (num_loop_insns): Don't increment ninsns for each bb
        before insn counting loop now that BB_END (bb) is counted.  Ensure
        the return value isn't zero.

2009-09-30  Nick Clifton  <nickc@redhat.com>

        * config.gcc (sh-symbianelf): Replace definition of extra_objs
        with separate definitions of c_target_objs and cxx_target_objs.
        * config/sh/t-sh: Add rules to build symbian-cxx.o, symbian-c.o
        and symbian-base.o.
        * config/sh/sh.c (TARGET_CXX_INPUT_EXPORT_CLASS): Use
        sh_symbian_import_export_class.
        * config/sh/sh-protos.h: Fix names of exported symbian functions.
        * config/sh/symbian.c: Delete, moving code into...
        * config/sh/symbian-base.c: ... here
        * config/sh/symbian-c.c: ... and here
        * config/sh/symbian-cxx.c: ... and here.

2009-09-30  Uros Bizjak  <ubizjak@gmail.com>

        PR target/22093
        * config/alpha/alpha.md (unaligned_storehi_be): Force operand
        of plus RTX into register.

2009-09-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/install.texi: Linguistic and markup fixes.
        (Configuration) <--disable-cpp>: Remove description.
        <--enable-maintainer-mode>: Autotools files are affected, too.
        <--with-sysroot>: Improve description.
        (Building): Bump required GNU make version.

2009-09-29  Harsha Jagasia  <harsha.jagasia@amd.com>

        * config.gcc (i[34567]86-*-*): Include fma4intrin.h.
        (x86_64-*-*): Ditto.

        * config/i386/fma4intrin.h: New file, provide common x86 compiler
        intrinisics for FMA4.
        * config/i386/cpuid.h (bit_FMA4): Define FMA4 bit.
        * config/i386/x86intrin.h: Fix typo to SSE4A instead of SSE4a.
        Add FMA4 check and fma4intrin.h.
        * config/i386/i386-c.c(ix86_target_macros_internal): Check
        ISA_FLAG for FMA4.
        * config/i386/i386.h(TARGET_FMA4): New macro for FMA4.
        * config/i386/i386.md (UNSPEC_FMA4_INTRINSIC): Add new UNSPEC
        constant for FMA4 support.
        (UNSPEC_FMA4_FMADDSUB): Ditto.
        (UNSPEC_FMA4_FMSUBADD): Ditto.
        * config/i386/i386.opt (-mfma4): New switch for FMA4 support.
        * config/i386/i386-protos.h (ix86_fma4_valid_op_p): Add declaration.
        (ix86_expand_fma4_multiple_memory): Ditto.
        * config/i386/i386.c (OPTION_MASK_ISA_FMA4_SET): New.
        (OPTION_MASK_ISA_FMA4_UNSET): New.
        (OPTION_MASK_ISA_SSE4A_UNSET): Change definition to depend on FMA4.
        (OPTION_MASK_ISA_AVX_UNSET): Change definition to depend on FMA4.
        (ix86_handle_option): Handle -mfma4.
        (isa_opts): Handle -mfma4.
        (enum pta_flags): Add PTA_FMA4.
        (override_options): Add FMA4 support.
        (IX86_BUILTIN_VFMADDSS): New for FMA4 intrinsic.
        (IX86_BUILTIN_VFMADDSD): Ditto.
        (IX86_BUILTIN_VFMADDPS): Ditto.
        (IX86_BUILTIN_VFMADDPD): Ditto.
        (IX86_BUILTIN_VFMSUBSS): Ditto.
        (IX86_BUILTIN_VFMSUBSD): Ditto.
        (IX86_BUILTIN_VFMSUBPS): Ditto.
        (IX86_BUILTIN_VFMSUBPD): Ditto.
        (IX86_BUILTIN_VFMADDSUBPS): Ditto.
        (IX86_BUILTIN_VFMADDSUBPD): Ditto.
        (IX86_BUILTIN_VFMSUBADDPS): Ditto.
        (IX86_BUILTIN_VFMSUBADDPD): Ditto.
        (IX86_BUILTIN_VFNMADDSS): Ditto.
        (IX86_BUILTIN_VFNMADDSD): Ditto.
        (IX86_BUILTIN_VFNMADDPS): Ditto.
        (IX86_BUILTIN_VFNMADDPD): Ditto.
        (IX86_BUILTIN_VFNMSUBSS): Ditto.
        (IX86_BUILTIN_VFNMSUBSD): Ditto.
        (IX86_BUILTIN_VFNMSUBPS): Ditto.
        (IX86_BUILTIN_VFNMSUBPD): Ditto.
        (IX86_BUILTIN_VFMADDPS256): Ditto.
        (IX86_BUILTIN_VFMADDPD256): Ditto.
        (IX86_BUILTIN_VFMSUBPS256): Ditto.
        (IX86_BUILTIN_VFMSUBPD256): Ditto.
        (IX86_BUILTIN_VFMADDSUBPS256): Ditto.
        (IX86_BUILTIN_VFMADDSUBPD256): Ditto.
        (IX86_BUILTIN_VFMSUBADDPS256): Ditto.
        (IX86_BUILTIN_VFMSUBADDPD256): Ditto.
        (IX86_BUILTIN_VFNMADDPS256): Ditto.
        (IX86_BUILTIN_VFNMADDPD256): Ditto.
        (IX86_BUILTIN_VFNMSUBPS256): Ditto.
        (IX86_BUILTIN_VFNMSUBPD256): Ditto.
        (enum multi_arg_type): New enum for describing the various FMA4
        intrinsic argument types.
        (bdesc_multi_arg): New table for FMA4 intrinsics.
        (ix86_init_mmx_sse_builtins): Add FMA4 intrinsic support.
        (ix86_expand_multi_arg_builtin): New function for creating FMA4
        intrinsics.
        (ix86_expand_builtin): Add FMA4 intrinsic support.
        (ix86_fma4_valid_op_p): New function to validate FMA4 3 and 4
        operand instructions.
        (ix86_expand_fma4_multiple_memory): New function to split the
        second memory reference from FMA4 instructions.
        * config/i386/sse.md (ssemodesuffixf4): New mode attribute for FMA4.
        (ssemodesuffixf2s): Ditto.
        (fma4_fmadd<mode>4): Add FMA4 floating point multiply/add
        instructions.
        (fma4_fmsub<mode>4): Ditto.
        (fma4_fnmadd<mode>4): Ditto.
        (fma4_fnmsub<mode>4): Ditto.
        (fma4_vmfmadd<mode>4): Ditto.
        (fma4_vmfmsub<mode>4): Ditto.
        (fma4_vmfnmadd<mode>4): Ditto.
        (fma4_vmfnmsub<mode>4): Ditto.
        (fma4_fmadd<mode>4256): Ditto.
        (fma4_fmsub<mode>4256): Ditto.
        (fma4_fnmadd<mode>4256): Ditto.
        (fma4_fnmsub<mode>4256): Ditto.
        (fma4_fmaddsubv8sf4): Ditto.
        (fma4_fmaddsubv4sf4): Ditto.
        (fma4_fmaddsubv4df4): Ditto.
        (fma4_fmaddsubv2df4): Ditto.
        (fma4_fmsubaddv8sf4): Ditto.
        (fma4_fmsubaddv4sf4): Ditto.
        (fma4_fmsubaddv4df4): Ditto.
        (fma4_fmsubaddv2df4): Ditto.
        (fma4i_fmadd<mode>4): Add FMA4 floating point multiply/add
        instructions for intrinsics.
        (fma4i_fmsub<mode>4): Ditto.
        (fma4i_fnmadd<mode>4): Ditto.
        (fma4i_fnmsub<mode>4): Ditto.
        (fma4i_vmfmadd<mode>4): Ditto.
        (fma4i_vmfmsub<mode>4): Ditto.
        (fma4i_vmfnmadd<mode>4): Ditto.
        (fma4i_vmfnmsub<mode>4): Ditto.
        (fma4i_fmadd<mode>4256): Ditto.
        (fma4i_fmsub<mode>4256): Ditto.
        (fma4i_fnmadd<mode>4256): Ditto.
        (fma4i_fnmsub<mode>4256): Ditto.
        (fma4i_fmaddsubv8sf4): Ditto.
        (fma4i_fmaddsubv4sf4): Ditto.
        (fma4i_fmaddsubv4df4): Ditto.
        (fma4i_fmaddsubv2df4): Ditto.
        (fma4i_fmsubaddv8sf4): Ditto.
        (fma4i_fmsubaddv4sf4): Ditto.
        (fma4i_fmsubaddv4df4): Ditto.
        (fma4i_fmsubaddv2df4): Ditto.

        * doc/invoke.texi (-mfma4): Add documentation.
        * doc/extend.texi (x86 intrinsics): Add FMA4 intrinsics.

2009-09-29  Richard Henderson  <rth@redhat.com>

        * tree-eh.c (unsplit_eh): Do not unsplit if there's already
        an edge to the new destination block.

2009-09-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/41393
        * pa.c (hppa_profile_hook): Use
        make_reg_eh_region_note_nothrow_nononlocal to add REG_EH_REGION note.

2009-09-29  Steve Ellcey  <sje@cup.hp.com>
            Alexander Monakov  <amonakov@ispras.ru>

        PR target/41365
        * config/ia64/predicates.md (not_postinc_destination_operand): New.
        (not_postinc_memory_operand): New.
        (not_postinc_move_operand): New.
        * config/ia64/ia64.md (*cmovdi_internal): Disallow autoincrement.
        (*cmovsi_internal): Ditto.

2009-09-29  Pat Haugen  <pthaugen@us.ibm.com>

        * config/rs6000/rs6000.c (rs6000_issue_rate): Don't artificially
        restrict issue_rate in first pass when scheduling for register
        pressure.

2009-09-29  Basile Starynkevitch  <basile@starynkevitch.net>
            Rafael Avila de Espindola  <espindola@google.com>

        * gengtype.c (plugin_output): New.
        (get_output_file_with_visibility): Return plugin_output for plugins.
        (main): Parse and use the -P option.
        * gty.texi: Update the command line format.

2009-09-29  Jakub Jelinek  <jakub@redhat.com>

        PR debug/41438
        * dwarf2out.c (const_ok_for_output_1, const_ok_for_output): New
        functions.
        (mem_loc_descriptor, loc_descriptor, add_const_value_attribute): Bail
        out if !const_ok_for_output.

        PR debug/41474
        * dwarf2out.c (mem_loc_descriptor) <case CONCAT, case CONCATN,
        case VAR_LOCATION>: Remove gcc_unreachable ().

2009-09-29  Harsha Jagasia  <harsha.jagasia@amd.com>

        * config.gcc (i[34567]86-*-*): Remove mmintrin-common.h.
        (x86_64-*-*): Ditto.
        * config/i386/smmintrin.h: Move instructions in mmintrin-common.h
        back to smmintrin.h.
        * config/i386/cpuid.h: (bit_SSE5): Remove SSE5 bit.
        * config/i386/x86intrin.h: Remove SSE5.
        * config/i386/mmintrin-common.h: Delete file.
        * doc/extend.texi (x86 intrinsics): Remove SSE5 flags and builtins.

2009-09-29  Richard Guenther  <rguenther@suse.de>

        * alias.c (ao_ref_from_mem): Properly deal with off decl accesses
        resulting from stack temporaries on STRICT_ALIGNMENT targets.

2009-09-29  Nick Clifton  <nickc@redhat.com>

        * function.c (current_function_name): If there is no current
        function just return "<none>".

2009-09-28  Sriraman Tallam  <tmsriram@google.com>

        * tree-pass.h (register_pass_info): New structure.
        (pass_positioning_ops): Move enum from gcc-plugin.h.
        (register_pass): New function.
        * gcc-plugin.h (plugin_pass): Delete structure.
        (pass_positioning_ops): Delete enum.
        * plugin.c (regsiter_pass): Delete function.
        (position_pass): Delete function.
        (added_pass_nodes): Delete variable.
        (prev_added_pass_nodes): Delete variable.
        (pass_list_node): Delete structure.
        * passes.c (make_pass_instance): New function.
        (next_pass_1): Change to call make_pass_instance.
        (pass_list_node): Move structure from gcc-plugin.h.
        (added_pass_nodes): Move variable from plugin.c.
        (prev_added_pass_nodes): Move variable from plugin.c.
        (position_pass): New function.
        (register_pass): New function.

2009-09-28  Easwaran Raman  <eraman@google.com>

        * ifcvt.c (noce_try_abs): Recognize pattern and call
        expand_one_cmpl_abs_nojump.
        * optabs.c (expand_one_cmpl_abs_nojump): New function.
        * optabs.h (expand_one_cmpl_abs_nojump): Declare.

2009-09-28  Ian Lance Taylor  <iant@google.com>

        PR middle-end/40500
        * c-opts.c (c_common_handle_option): Don't set
        warn_jump_misses_init for -Wall.
        * doc/invoke.texi (Warning Options): Update documentation.

2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * Makefile.in ($(out_object_file)): Depend on
        gt-$(basename $(notdir $(out_file))).h.

2009-09-28  Richard Henderson  <rth@redhat.com>

        * except.h (struct eh_region_d): Add use_cxa_end_cleanup.
        * except.c (gen_eh_region): Set it.
        (duplicate_eh_regions_1): Copy it.
        * tree-eh.c (lower_resx): Use it to determine which function
        to call to resume.

        * langhooks.h (struct lang_hooks): Add eh_use_cxa_end_cleanup.
        * langhooks-def.h (LANG_HOOKS_EH_USE_CXA_END_CLEANUP): New.
        * builtins.def (BUILT_IN_CXA_END_CLEANUP): New.
        * tree.c (build_common_builtin_nodes): Remove parameter.  Build
        BUILT_IN_CXA_END_CLEANUP if necessary.

        * c-common.c (c_define_builtins): Update call to
        build_common_builtin_nodes.

2009-09-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * spu.c (get_branch_target): Return NULL for ASM_OPERANDS patterns.

2009-09-28  Michael Matz  <matz@suse.de>

        * builtins.c (interclass_mathfn_icode): New helper.
        (expand_builtin_interclass_mathfn): Use it here, and split folding
        into ...
        (fold_builtin_interclass_mathfn): ... this new folder.
        (build_call_nofold_loc): New static helper.
        (build_call_nofold): New wrapper macro for above.
        (expand_builtin_int_roundingfn): Use it instead of build_call_expr.
        (expand_builtin_pow): Ditto.
        (expand_builtin_memset_args): Ditto.
        (expand_builtin_printf): Ditto.
        (expand_builtin_fprintf): Ditto.
        (expand_builtin_sprintf): Ditto.
        (expand_builtin_memory_chk): Ditto.
        (expand_builtin_mempcpy_args): Ditto and don't call folders.
        (expand_builtin_stpcpy): Ditto.
        (expand_builtin_strcmp): Ditto.
        (expand_builtin_strncmp): Ditto.
        (expand_builtin_strcpy): Remove FNDECL and MODE arguments.
        (expand_builtin_strcpy_args): Don't call folders.
        (expand_builtin_memcmp): Ditto.
        (expand_builtin_strncpy): Ditto, and use target.
        (expand_builtin_memcpy): Ditto.
        (expand_builtin_strstr, expand_builtin_strchr, expand_builtin_strrchr,
        expand_builtin_strpbrk, expand_builtin_memmove,
        expand_builtin_memmove_args, expand_builtin_bcopy,
        expand_builtin_memchr, expand_builtin_strcat, expand_builtin_strncat,
        expand_builtin_strspn, expand_builtin_strcspn,
        expand_builtin_fputs): Remove these.
        (expand_builtin): Don't call the above, change calls to other
        expanders that changed prototype.
        (fold_builtin_stpcpy): New folder split out from expand_builtin_stpcpy.
        (fold_builtin_1 <ISFINITE, ISINF, ISNORMAL>): Call
        fold_builtin_interclass_mathfn.
        (fold_builtin_2 <STPCPY>): Call fold_builtin_stpcpy.
        (fold_builtin_strcat): Add folding split from expand_builtin_strcat.

        * fold-const.c (fold_binary_loc <NE_EXPR>): Add !exp != 0 -> !exp.
        * passes.c (init_optimization_passes): Move pass_fold_builtins
        after last phiopt pass.
        * tree-inline.c (fold_marked_statements): When folding builtins
        iterate over all instruction potentially generated.
        * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Declare
        earlier.
        (fold_gimple_call): Use it to always fold calls (into potentially
        multiple instructions).
        * tree-ssa-dom.c (optimize_stmt): Resolve __builtin_constant_p
        calls into zero at this time.
        * tree-ssa-propagate.c (substitute_and_fold): Ignore multiple
        statements generated by builtin folding.

2009-09-28  Nick Clifton  <nickc@redhat.com>

        * config/m32r/m32r.c (m32r_is_insn): Return false for debugging insns.

2009-09-28  Duncan Sands  <baldrick@free.fr>

        * gcc-plugin.h (PLUGIN_REGISTER_GGC_CACHES): New event.
        * plugin.c (plugin_event_name): Add PLUGIN_REGISTER_GGC_CACHES.
        (register_callback): Dispatch it.
        (invoke_plugin_callbacks): Incorporate in sanity check.
        * ggc.h (ggc_register_cache_tab): Add declaration.
        * ggc-common.c (ggc_register_root_tab): Simplify.
        (const_ggc_cache_tab_t): New typedef.
        (extra_cache_vec): New vector of dynamically added cache tables.
        (ggc_register_cache_tab): New function.
        (ggc_scan_cache_tab): New function.
        (ggc_mark_roots): Simplify dynamic roots.  Handle dynamic caches.
        * doc/plugins.texi: Document PLUGIN_REGISTER_GGC_CACHES.

2009-09-27  Richard Henderson  <rth@redhat.com>

        * tree-ssa-ccp.c (optimize_stack_restore): Relax the conditions under
        which we remove __builtin_stack_restore.

2009-09-27  Bernd Schmidt  <bernd.schmidt@analog.com>

        * loop-iv.c (iv_analyze_op): Use function_invariant_p, not CONSTANT_P,
        to test for GRD_INVARIANT.
        (simple_rhs_p): Anything that's function_invariant_p is fine.

2009-09-27  Rafael Avila de Espindola  <espindola@google.com>

        * gengtype.c (main): Use plunge_files instead of plugin_output.

2009-09-27  Basile Starynkevitch  <basile@starynkevitch.net>
            Rafael Avila de Espindola  <espindola@google.com>

        * gengtype.c (write_root, write_roots): Add a emit_pch argument.
        Don't print pch related info if it is false.
        (main): Don't print pch info in plugin mode.

2009-09-27  Eric Botcazou  <ebotcazou@adacore.com>

        * dwarf2out.c (enum dw_val_class): Replace dw_val_class_long_long
        with dw_val_class_const_double.
        (struct dw_val_struct): Replace val_long_long with val_double and
        adjust for above change.
        (output_loc_operands): Likewise.
        (add_AT_long_long): Rename into...
        (add_AT_double): ...this.
        (print_die): Replace dw_val_class_long_long with
        dw_val_class_const_double and adjust.
        (attr_checksum): Likewise.
        (same_dw_val_p): Likewise.
        (size_of_die): Likewise.
        (value_format): Likewise.
        (output_die): Likewise.
        (loc_descriptor) <CONST_DOUBLE>: Likewise.
        (add_const_value_attribute) <CONST_DOUBLE>: Call add_AT_double
        instead of add_AT_long_long.
        (add_bound_info) <INTEGER_CST>: Generate the bound as an unsigned
        value with the precision of its type.

2009-09-27  Andreas Schwab  <schwab@linux-m68k.org>

        PR c/41476
        * c-typeck.c (build_conditional_expr): Use the readonly and
        volatile flags of the operand types, not of the operands itself.

2009-09-27  Peter O'Gorman  <pogma@thewrittenword.com>

        * collect2.c (main): Look for -brtl before adding libraries.

2009-09-27  Jonathan Gray  <jsg@openbsd.org>

        * config.gcc: Update OpenBSD targets.
        * config/openbsd-stdint.h: New file.
        * config/openbsd-libpthread.h: New file.
        * config/openbsd.h: Update and break out LIB_SPEC definition.
        * config/alpha/openbsd.h: Overhaul to reflect ELF migration.
        * config/i386/openbsdelf.h: Correct types.
        * config/m68k/openbsd.h: Likewise.
        * config/mips/openbsd.h: Likewise.
        * config/vax/openbsd.h: Likewise.

2009-09-27  Eric Botcazou  <ebotcazou@adacore.com>

        * fold-const.c (maybe_lvalue_p): Return false for M(IN|AX)_EXPR.
        (extract_muldiv_1) <MINUS_EXPR>: Swap operands if necessary.
        * stor-layout.c (layout_type) <ARRAY_TYPE>: Do not take the maximum
        of the length and zero.

2009-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * Makefile.in (TOPLEV_H): Use $(INPUT_H) not input.h.
        (FLAGS_H): Add options.h $(REAL_H).
        (SEL_SCHED_IR_H): Add $(BITMAP_H) vecprim.h $(CFGLOOP_H).
        (TREE_VECTORIZER_H): New.
        (EBITMAP_H): Renamed from EBIMAP_H.
        (c-decl.o, c-objc-common.o, c-pretty-print.o, attribs.o, c-omp.o)
        (gtype-desc.o, ggc-common.o, ggc-page.o, ggc-zone.o, langhooks.o)
        (tree.o, tree-ssa-structalias.o, tree-ssa-ter.o, tree-ssanames.o)
        (tree-phinodes.o, tree-ssa-loop.o, tree-ssa-math-opts.o)
        (gimple-low.o, omp-low.o, sese.o, graphite-blocking.o)
        (graphite-clast-to-gimple.o, graphite-dependences.o)
        (graphite-interchange.o, graphite-poly.o, graphite-scop-detection.o)
        (graphite-sese-to-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, gimple.o, tree-mudflap.o)
        (targhooks.o, stmt.o, emit-rtl.o, ipa.o, matrix-reorg.o, ipa-inline.o)
        (gcse.o, tree-ssa-ccp.o, df-byte-scan.o, vec.o, caller-save.o)
        (ira-build.o, ira-costs.o, ira-color.o, ira-emit.o, ira.o)
        (haifa-sched.o, sched-rgn.o, sel-sched.o, sel-sched-dump.o)
        (sel-sched-ir.o, final.o, $(out_object_file)): Dependencies
        updated and fixed as per above changes and per
        check_makefile_deps.sh output.

        PR bootstrap/40928
        * configure.ac: Use $LIBS for '-ldl', not $LDFLAGS.
        * configure: Regenerate.

2009-09-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * doc/install.texi: Update minimum MPC version to 0.7.

2009-09-26  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Binaries): Remove reference to the binary
        distribution CD-ROM from the FSF.

2009-09-26  Michael Matz  <matz@suse.de>

        PR lto/40758
        PR middle-end/41470
        * tree-ssa-coalesce.c (coalesce_ssa_name): Add only SSA names
        that are mentioned in the body.

2009-09-26  Michael Matz  <matz@suse.de>

        PR tree-optimization/41454
        * tree-ssa-dom (stmts_to_rescan): Remove variable.
        (tree_ssa_dominator_optimize): Don't allocate and free it.
        (dom_opt_leave_block): Don't iterate over it.
        (eliminate_redundant_computations): Don't return a value.
        (cprop_operand, cprop_into_stmt): Ditto.
        (optimize_stmt): Don't defer updating stmts.

2009-09-25  Dodji Seketeli  <dodji@redhat.com>

        * dwarf2out.c (dwarf_tag_name, gen_generic_params_dies,
        generic_parameter_die, template_parameter_pack_die,
        gen_formal_parameter_die, gen_subprogram_die): Adjust after
        renaming DW_TAG_formal_parameter_pack and
        DW_TAG_template_parameter_pack into DW_TAG_GNU_formal_parameter_pack
        and DW_TAG_GNU_template_parameter_pack.

2009-09-25  Anatoly Sokolov  <aesok@post.ru>

        * config/v850/v850.h (FUNCTION_VALUE): Remove.
        * config/v850/v850.c (v850_function_value): New function.
        (TARGET_FUNCTION_VALUE): Define.

2009-09-25  Jakub Jelinek  <jakub@redhat.com>

        * tree-vect-stmts.c (vectorizable_call): Call
        mark_symbols_for_renaming after vect_finish_stmt_generation.

        * dwarf2out.c (tls_mem_loc_descriptor): Pass 1 instead of 2
        to loc_descriptor_from_tree.
        (add_location_or_const_value_attribute): Pass 0 instead of 2
        for decl_by_reference_p decls.

2009-09-25  Richard Guenther  <rguenther@suse.de>

        PR middle-end/41463
        * tree-dfa.c (get_ref_base_and_extent): Fix issue with trailing
        arrays again.

2009-09-25  Ben Elliston  <bje@au.ibm.com>

        * doc/invoke.texi (RS/6000 and PowerPC Options): Add missing comma
        after `power7'.

2009-09-25  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.md (load_toc_v4_PIC_3c): Correct POWER
        form of instruction.

2009-09-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR middle-end/41435
        * fold-const.c (const_binop): Handle complex int division.
        * tree-complex.c (expand_complex_div_straight,
        expand_complex_div_wide): Update comments.

2009-09-24  DJ Delorie  <dj@redhat.com>

        PR target/41456
        * config/m32c/m32c.h (REG_CLASS_CONTENTS): Add R13.
        (reg_class): Likewise.
        (REG_CLASS_NAMES): Likewise.
        * config/m32c/m32c.c (m32c_reg_class_from_constraint): Likewise.
        (m32c_override_options): Disable -fivopts for M32C.

2009-09-24  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/predicates.md (indexed_or_indirect_operand):
        Delete VSX load/store with update support.
        * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Ditto.
        * config/rs6000/vsx.md (vsx_mov<mode>): Ditto.
        (vsx_movti): Ditto.
        (VSX_U): Delete.
        (VSbit): Ditto.
        (VStype_load_update): Ditto.
        (VStype_store_update): Ditto.
        (vsx_load<VSX_U:mode>_update_<P:mptrsize>): Ditto.
        (vsx_store<VSX_U:mode>_update_<P:mptrsize>): Ditto.

        * config/rs6000/rs6000.h (enum rs6000_builtins): Delete VSX
        load/store with update builtins.

2009-09-24  Kai Tietz  <kai.tietz@onevision.com>

        * libgcc2.c (L_trampoline): Prototype for getpagesize
        and mprotect in WINNT case.

2009-09-24  Anatoly Sokolov  <aesok@post.ru>

        * config/rs6000/rs6000.h (FUNCTION_VALUE): Remove macro.
        * config/rs6000/rs6000-protos.h (rs6000_function_value): Remove.
        * config/rs6000/rs6000.c (rs6000_function_value): Make static, add
        'outgoing' argument.
        (TARGET_FUNCTION_VALUE): Define.

2009-09-24  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>

        * config/darwin.h (DWARF2_DEBUGGING_INFO): Define as 1.

2009-09-24  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>

        PR bootstrap/41405
        * common.opt: Initialize dwarf_strict to -1.
        * toplev.c (process_options): Catch unset dwarf_strict
        and set to 0 for all targets not overriding.
        * config/darwin.c (darwin_override_options): Catch unset
        dwarf_strict and override to 1.

2009-09-24  Jeff Law  <law@redhat.com>

        * tree-into-ssa.c (rewrite_into_ssa): Free interesting_blocks.

2009-09-24  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36143
        PR tree-optimization/38747
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
        create VIEW_CONVERT_EXPRs for TBAA compatible accesses.

2009-09-24  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/41457
        * dwarf2out.c (add_const_value_attribute): For HIGH and CONST_FIXED,
        return false instead of gcc_unreachable ().  For CONST return the
        value returned by recursive call instead of always returning true.
        (tree_add_const_value_attribute): Return the value returned by
        add_const_value_attribute instead of always returning true if rtl
        is non-NULL.

2009-09-23  Justin Seyster  <jrseys@gmail.com>

        * Makefile.in (PLUGIN_HEADERS): Include real.h.

2009-09-24  Jakub Jelinek  <jakub@redhat.com>

        * cgraphunit.c (cgraph_lower_function): Revert last change.
        * targhooks.c (default_static_chain): Use !DECL_STATIC_CHAIN
        instead of DECL_NO_STATIC_CHAIN.
        * tree-cfg.c (verify_gimple_call): Likewise.
        * tree-nested.c (get_chain_decl, get_chain_field,
        convert_tramp_reference_op, convert_gimple_call): Likewise.
        (convert_all_function_calls): Likewise.  Always set or clear
        DECL_STATIC_CHAIN initially, for !n->outer clear it.
        (lower_nested_functions): Remove DECL_NO_STATIC_CHAIN checking code.
        * c-parser.c (c_parser_declaration_or_fndef): Set DECL_STATIC_CHAIN
        if nested.
        * print-tree.c (print_node): Handle DECL_STATIC_CHAIN instead of
        DECL_NO_STATIC_CHAIN.
        * config/i386/i386.c (ix86_static_chain): Use !DECL_STATIC_CHAIN
        instead of DECL_NO_STATIC_CHAIN.
        (ix86_function_regparm, find_drap_reg): Likewise.  Don't test
        decl_function_context.
        * varasm.c (initializer_constant_valid_p): Likewise.
        * tree.h (DECL_NO_STATIC_CHAIN): Renamed to ...
        (DECL_STATIC_CHAIN): ... this.
        * config/moxie/moxie.c (moxie_static_chain): Use !DECL_STATIC_CHAIN
        instead of DECL_NO_STATIC_CHAIN.

2009-09-23  Basile Starynkevitch  <basile@starynkevitch.net>
            Rafael Avila de Espindola  <espindola@google.com>

        * gengtype.c (nb_plugin_files): Make it unsigned to match
        num_gt_files. Adjust other variables to avoid warnings.
        (main): Allocate an all zero lang_bitmap before each plugin file name
        to match regular file names.

2009-09-23  Richard Henderson  <rth@redhat.com>

        * doc/tm.texi (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Remove.
        (TARGET_STATIC_CHAIN): Mention that this hook must be used for
        static chain passed in memory.
        * system.h (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Poison.
        * targhooks.c (default_static_chain): Don't handle STATIC_CHAIN,
        STATIC_CHAIN_INCOMING.  Issue a sorry if there's no
        STATIC_CHAIN_REGNUM defined.

        * config/picochip/picochip-protos.h: s/class/klass/.
        * config/picochip/picochip.c (TARGET_STATIC_CHAIN): New.
        (picochip_static_chain): New.
        * config/picochip/picochip.h (STATIC_CHAIN): Remove.
        (STATIC_CHAIN_INCOMING): Remove.

        * config/xtensa/xtensa.c (TARGET_STATIC_CHAIN): New.
        (xtensa_static_chain): New.
        * config/xtensa/xtensa.h (STATIC_CHAIN): Remove.
        (STATIC_CHAIN_INCOMING): Remove.

2009-09-23  Anatoly Sokolov  <aesok@post.ru>

        * config/pa/pa.h (FUNCTION_VALUE): Remove macro.
        * config/pa/pa-protos.h (function_value): Remove.
        * config/pa/pa.c (pa_function_value): Rename from function_value.
        Make static, add 'outgoing' argument.
        (TARGET_FUNCTION_VALUE): Define.

2009-09-23  Anatoly Sokolov  <aesok@post.ru>

        * config/avr/avr.c (avr_regs_to_save): Use current_function_is_leaf
        instead of cfun->machine->is_leaf.
        * config/avr/avr.h (machine_function): Remove is_leaf field.

2009-09-23  Jakub Jelinek  <jakub@redhat.com>

        PR debug/41439
        * dwarf2out.c (address_of_int_loc_descriptor): Don't emit
        DW_OP_piece after DW_OP_stack_value, adjust size calculations
        for it, when DW_OP_stack_value and DW_OP_implicit_value has
        the same size, prefer DW_OP_stack_value.
        (loc_descriptor, loc_list_for_address_of_addr_expr_of_indirect_ref,
        loc_list_from_tree): Don't emit DW_OP_piece after DW_OP_stack_value.

2009-09-23  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/41353
        * var-tracking.c (add_with_sets): Sort MO_VAL_LOC last among uses.

2009-09-23  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/41248
        * cfgexpand.c (convert_debug_memory_address): New.
        (expand_debug_expr): Convert base address and offset to the same
        mode.  Use it to convert addresses to other modes.  Accept
        ptr_mode addresses.

2009-09-23  Richard Guenther  <rguenther@suse.de>

        * alias.c (ao_ref_from_mem): Correct for negative MEM_OFFSET
        produced for bigendian targets with promoted subregs.

2009-09-23  Richard Guenther  <rguenther@suse.de>

        * value-prof.c (gimple_ic): Purge old EH edges only after building
        the new ones.

2009-09-23  Nick Clifton  <nickc@redhat.com>

        * config/arc/arc.c (arc_trampoline_init): Fix typo.

2009-09-23  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/41405
        * doc/invoke.texi: Document -gstrict-dwarf and -gno-strict-dwarf.

        PR bootstrap/41436
        * cgraphunit.c (cgraph_lower_function): Set DECL_NO_STATIC_CHAIN
        on non-nested functions.

2009-09-23  Jakub Jelinek  <jakub@redhat.com>
            Jan Hubicka  <jh@suse.cz>

        * dwarf2out.c (loc_list_plus_const): Only define if
        DWARF2_DEBUGGING_INFO.
        (address_of_int_loc_descriptor): Likewise.

        PR debug/41411
        * dwarf2out.c (mem_loc_descriptor): Handle HIGH.

2009-09-23  Uros Bizjak  <ubizjak@gmail.com>

        PR c/39779
        * c-typeck.c (build_binary_op) <short_shift>: Check that integer
        constant is more than zero.

2009-09-23  Alan Modra  <amodra@bigpond.net.au>

        PR target/40473
        * config/rs6000/rs6000.c (rs6000_output_function_prologue): Don't
        call final to emit non-scheduled prologue, instead insert at entry.

2009-09-22  Loren J. Rittle  <ljrittle@acm.org>
            Joseph S. Myers  <joseph@codesourcery.com>

        * doc/install.texi (*-*-freebsd*): Add proper format codes.

2009-09-22  Basile Starynkevitch  <basile@starynkevitch.net>
            Rafael Avila de Espindola  <espindola@google.com>

        * gengtype.c (is_file_equal): New function.
        (close_output_files): Use is_file_equal. Free of->buf.

2009-09-22  Basile Starynkevitch  <basile@starynkevitch.net>
            Rafael Avila de Espindola  <espindola@google.com>

        * gengtype.c (write_types, write_local): Add the output_header
        argument. Update all callers.

2009-09-22  Dodji Seketeli  <dodji@redhat.com>

        * dwarf2out.c (template_parameter_pack_die,
        gen_formal_parameter_pack_die ): New functions.
        (make_ith_pack_parameter_name): Remove this function.
        (dwarf_tag_name): Support printing DW_TAG_template_parameter_pack and
        DW_TAG_formal_parameter_pack.
        (gen_generic_params_dies): Represent each template parameter pack
        by a DW_TAG_template_parameter_pack DIE. Argument pack elements are
        represented by usual DW_TAG_template_*_parameter DIEs that are
        children of the DW_TAG_template_parameter_pack element DIE.
        (generic_parameter_die): This doesn't deal with parameter pack
        names anymore. Don't generate DW_AT_name for some DIEs, e.g. children
        of parameter pack DIEs.
        (gen_formal_parameter_die): Add a flag to not emit DW_AT_name
        in certain cases, e.g. for pack elements.
        (gen_formal_types_die, gen_decl_die): Adjust usage of
        gen_formal_parameter_die.
        (gen_subprogram_die): Represent each function parameter pack by a
        DW_TAG_formal_parameter_pack DIE. Arguments of of the pack are
        represented by usual DW_TAG_formal_parameter DIEs that are children
        of the DW_TAG_formal_parameter_pack DIE. Remove references to
        ____builtin_va_alist decls as no part of the compiler uses those
        anymore.
        * langhooks.h (struct lang_hooks_for_decls): Add
        function_parm_expanded_from_pack_p, get_generic_function_decl
        and function_parameter_pack_p hooks.  Fix comment for
        get_innermost_generic_parms hook.
        * langhooks-def.h (LANG_HOOKS_FUNCTION_PARAMETER_PACK_P,
        LANG_HOOKS_FUNCTION_PARM_EXPANDED_FROM_PACK_P ): Declare new hook
        macros and use them to initialize lang_hook.

2009-09-22  Richard Henderson  <rth@redhat.com>

        * system.h (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Poison.
        (TRAMPOLINE_ADJUST_ADDRESS): Poison.
        * target-def.h (TARGET_ASM_TRAMPOLINE_TEMPLATE): Don't conditionalize
        on TRAMPOLINE_TEMPLATE.
        (TARGET_TRAMPOLINE_ADJUST_ADDRESS): Don't conditionalize on
        TRAMPOLINE_ADJUST_ADDRESS.
        * targhooks.c (default_asm_trampoline_template): Remove.
        (default_trampoline_adjust_address): Remove.
        (default_trampoline_init): Don't handle INITIALIZE_TRAMPOLINE.
        * targhooks.h: Update decls.

2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>

        * config/i386/cygming.h (TARGET_USE_JCR_SECTION): Enable.
        * config/i386/cygwin.h (LIBGCJ_SONAME): Define.
        * config/i386/mingw32.h (LIBGCJ_SONAME): Likewise.

2009-09-22  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/41295
        * reload1.c (reload): Reset debug insns with pseudos without
        equivalences.

2009-09-22  Janis Johnson  <janis187@us.ibm.com>

        * config/i386/i386.c (ix86_scalar_mode_supported_p): Don't return
        unconditional true for decimal float modes.
        * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): Ditto.
        * config/s390/s390.c (s390_scalar_mode_supported_p): Ditto.

2009-09-22  Loren J. Rittle  <ljrittle@acm.org>

        * unwind-dw2-fde-glibc.c: Define and use USE_PT_GNU_EH_FRAME.
        Enable a new case for __FreeBSD__ >= 7.
        * crtstuff.c:  Define USE_PT_GNU_EH_FRAME for __FreeBSD__ >= 7.
        * config/t-freebsd: Define LIB2ADDEH and LIB2ADDEHDEP.
        * config/freebsd-spec.h: Conditionally define LINK_EH_SPEC
        and USE_LD_AS_NEEDED.

        * doc/install.texi (*-*-freebsd*): Update target information.

2009-09-22  Richard Guenther  <rguenther@suse.de>

        PR middle-end/41395
        * tree-dfa.c (get_ref_base_and_extent): Handle trailing
        arrays really properly.

2009-09-22  Richard Henderson  <rth@redhat.com>

        PR target/41246
        * target.h (struct gcc_target): Add asm_out.trampoline_template,
        calls.static_chain, calls.trampoline_init,
        calls.trampoline_adjust_address.
        * target-def.h (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
        (TARGET_STATIC_CHAIN, TARGET_TRAMPOLINE_INIT): New.
        (TARGET_TRAMPOLINE_ADJUST_ADDRESS): New.
        * builtins.c (expand_builtin_setjmp_receiver): Use
        targetm.calls.static_chain; only clobber registers.
        (expand_builtin_init_trampoline): Use targetm.calls.trampoline_init;
        set up memory attributes properly for the trampoline block.
        (expand_builtin_adjust_trampoline): Use
        targetm.calls.trampoline_adjust_address.
        * calls.c (prepare_call_address): Add fndecl argument.  Use
        targetm.calls.static_chain.
        * df-scan.c (df_need_static_chain_reg): Remove.
        (df_get_entry_block_def_set): Use targetm.calls.static_chain;
        consolodate static chain handling.
        * doc/tm.texi: Document new hooks.
        * emit-rtl.c (static_chain_rtx, static_chain_incoming_rtx): Remove.
        (init_emit_regs): Don't initialize them.
        * expr.h (prepare_call_address): Update decl.
        * final.c (profile_function): Use targetm.calls.static_chain.
        * function.c (expand_function_start): Likewise.
        * rtl.h (static_chain_rtx, static_chain_incoming_rtx): Remove.
        * stmt.c (expand_nl_goto_receiver): Use targetm.calls.static_chain;
        only clobber registers.
        * targhooks.c (default_static_chain): New.
        (default_asm_trampoline_template, default_trampoline_init): New.
        (default_trampoline_adjust_address): New.
        * targhooks.h: Declare them.
        * varasm.c (assemble_trampoline_template): Use
        targetm.asm_out.trampoline_template.  Make the memory block const
        and set its size.

        * config/alpha/alpha.c (alpha_trampoline_init): Rename from
        alpha_initialize_trampoline.  Make static.  Merge VMS parameter
        differences into the TARGET_ABI_OPEN_VMS code block.
        (TARGET_TRAMPOLINE_INIT): New.
        * config/alpha/alpha.h (TRAMPOLINE_TEMPLATE): Remove.
        (TRAMPOLINE_SECTION, INITIALIZE_TRAMPOLINE): Remove.
        * config/alpha/vms.h (TRAMPOLINE_SIZE, TRAMPOLINE_ALIGNMENT): Remove.
        (INITIALIZE_TRAMPOLINE): Remove.

        * config/arc/arc.h (TRAMPOLINE_ALIGNMENT): New.
        (TRAMPOLINE_TEMPLATE): Merge with ...
        (INITIALIZE_TRAMPOLINE): ... this and move ...
        * config/arc/arc.c (arc_trampoline_init): ... here.
        (TARGET_TRAMPOLINE_INIT): New.

        * config/arm/arm.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
        (TARGET_TRAMPOLINE_INIT, TARGET_TRAMPOLINE_ADJUST_ADDRESS): New.
        (arm_asm_trampoline_template): New.
        (arm_trampoline_init, arm_trampoline_adjust_address): New.
        * config/arm/arm.h (TRAMPOLINE_TEMPLATE, ARM_TRAMPOLINE_TEMPLATE,
        THUMB2_TRAMPOLINE_TEMPLATE, THUMB1_TRAMPOLINE_TEMPLATE): Move all
        code to arm_asm_trampoline_template.
        (TRAMPOLINE_ADJUST_ADDRESS): Move code to
        arm_trampoline_adjust_address.
        (INITIALIZE_TRAMPOLINE): Move code to arm_trampoline_init;
        adjust for target hook parameters.

        * config/avr/avr.h (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE):
        Remove.

        * config/bfin/bfin-protos.h (initialize_trampoline): Remove.
        * config/bfin/bfin.c (bfin_asm_trampoline_template): New.
        (bfin_trampoline_init): Rename from initialize_trampoline;
        make static; update for target hook parameters.
        (TARGET_ASM_TRAMPOLINE_TEMPLATE, TARGET_TRAMPOLINE_INIT): New.
        * config/bfin/bfin.h (TRAMPOLINE_TEMPLATE): Move code to
        bfin_asm_trampoline_template.
        (INITIALIZE_TRAMPOLINE): Remove.

        * config/cris/cris.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
        TARGET_TRAMPOLINE_INIT, cris_asm_trampoline_template,
        cris_trampoline_init): New.
        * config/cris/cris.h (TRAMPOLINE_TEMPLATE): Move code to
        cris_asm_trampoline_template.
        (INITIALIZE_TRAMPOLINE): Move code to cris_trampoline_init;
        adjust for target hook parameters.

        * config/crx/crx.h (INITIALIZE_TRAMPOLINE): Remove.

        * config/fr30/fr30.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
        TARGET_TRAMPOLINE_INIT, fr30_asm_trampoline_template,
        fr30_trampoline_init): New.
        * config/fr30/fr30.h (TRAMPOLINE_TEMPLATE): Move code to
        fr30_asm_trampoline_template.
        (INITIALIZE_TRAMPOLINE): Move code to fr30_trampoline_init;
        adjust for target hook parameters.

        * config/frv/frv.c (TARGET_TRAMPOLINE_INIT): New.
        (frv_trampoline_init): Rename from frv_initialize_trampoline;
        make static, adjust arguments for TARGET_TRAMPOLINE_INIT hook.
        * config/frv/frv.h (INITIALIZE_TRAMPOLINE): Remove.
        * config/frv/frv-protos.h (frv_initialize_trampoline): Remove.

        * config/h8300/h8300.c (h8300_trampoline_init): New.
        (TARGET_TRAMPOLINE_INIT): New.
        * config/h8300/h8300.h (INITIALIZE_TRAMPOLINE): Move code
        to h8300_trampoline_init and adjust for hook parameters.

        * config/ia64/ia64-protos.h (ia64_initialize_trampoline): Remove.
        * config/ia64/ia64.c (TARGET_TRAMPOLINE_INIT): New.
        (ia64_trampoline_init): Rename from ia64_initialize_trampoline;
        make static; adjust for hook parameters.
        * config/ia64/ia64.h (INITIALIZE_TRAMPOLINE): Remove.

        * config/iq2000/iq2000.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
        (TARGET_TRAMPOLINE_INIT): New.
        (iq2000_asm_trampoline_template, iq2000_trampoline_init): New.
        * config/iq2000/iq2000.h (TRAMPOLINE_TEMPLATE): Move code to
        iq2000_asm_trampoline_template.
        (INITIALIZE_TRAMPOLINE): Move code to iq2000_trampoline_init.
        (TRAMPOLINE_CODE_SIZE): New.
        (TRAMPOLINE_SIZE): Use it.
        (TRAMPOLINE_ALIGNMENT): Follow Pmode.

        * config/m32c/m32c-protos.h (m32c_initialize_trampoline): Remove.
        * config/m32c/m32c.c (TARGET_TRAMPOLINE_INIT): New.
        (m32c_trampoline_init): Rename from m32c_initialize_trampoline;
        adjust for hook parameters.
        * config/m32c/m32c.h (INITIALIZE_TRAMPOLINE): Remove.

        * config/m32r/m32r.c (TARGET_TRAMPOLINE_INIT): New.
        (m32r_trampoline_init): New.
        * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Move code to
        m32r_trampoline_init.

        * config/m68hc11/m68hc11.c (TARGET_TRAMPOLINE_INIT): New.
        (m68hc11_trampoline_init): Rename from m68hc11_initialize_trampoline;
        make static; update for hook parameters.
        * config/m68hc11/m68hc11-protos.h: Update.
        * config/m68hc11/m68hc11.h (INITIALIZE_TRAMPOLINE): Remove.

        * config/mcore/mcore.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
        (TARGET_TRAMPOLINE_INIT): New.
        (mcore_function_value): Fix typo.
        (mcore_asm_trampoline_template, mcore_trampoline_init): New.
        * config/mcore/mcore.h (TRAMPOLINE_TEMPLATE): Move code
        to mcore_asm_trampoline_template.
        (INITIALIZE_TRAMPOLINE): Move code to mcore_trampoline_init.

        * config/mep/mep.h (INITIALIZE_TRAMPOLINE): Remove.
        * config/mep/mep.c (TARGET_TRAMPOLINE_INIT): New.
        (mep_trampoline_init): Rename from mep_init_trampoline; make static;
        update for hook parameters.
        * config/mep/mep-protos.h (mep_init_trampoline): Remove.

        * config/mips/mips.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
        mips_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
        mips_trampoline_init): New.
        * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Move code to
        mips_asm_trampoline_template.
        (INITIALIZE_TRAMPOLINE): Move code to mips_trampoline_init;
        update for hook parameters.

        * gcc/config/mmix/mmix.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
        (TARGET_TRAMPOLINE_INIT): New.
        (mmix_trampoline_size): Remove.
        (mmix_asm_trampoline_template): Rename from mmix_trampoline_template;
        make static.  Remove out-of-date tetra vs octa comment.
        (mmix_trampoline_init): Rename from mmix_initialize_trampoline;
        make static; update for hook parameters.
        * config/mmix/mmix.h (TRAMPOLINE_TEMPLATE): Remove.
        (INITIALIZE_TRAMPOLINE): Remove.
        (TRAMPOLINE_SIZE): Use a constant instead of mmix_trampoline_size.
        (TRAMPOLINE_ALIGNMENT): New.
        * gcc/config/mmix/mmix-protos.h: Update.

        * config/mn10300/mn10300.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
        mn10300_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
        mn10300_trampoline_init): New.
        * config/mn10300/mn10300.h (TRAMPOLINE_TEMPLATE): Move code to
        mn10300_asm_trampoline_template.
        (INITIALIZE_TRAMPOLINE): Move code to mn10300_trampoline_init.

        * config/moxie/moxie.c (moxie_static_chain,
        moxie_asm_trampoline_template, moxie_trampoline_init,
        TARGET_STATIC_CHAIN, TARGET_ASM_TRAMPOLINE_TEMPLATE,
        TARGET_TRAMPOLINE_INIT): New.
        * config/moxie/moxie.h (INITIALIZE_TRAMPOLINE): Move code to
        moxie_trampoline_init.
        (TRAMPOLINE_TEMPLATE): Move code to moxie_asm_trampoline_template.
        (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Remove.

        * gcc/config/pa/pa.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
        pa_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
        pa_trampoline_init, TARGET_TRAMPOLINE_ADJUST_ADDRESS,
        pa_trampoline_adjust_address): New.
        * config/pa/pa.h (TRAMPOLINE_TEMPLATE): Move code to
        pa_asm_trampoline_template.
        (TRAMPOLINE_ALIGNMENT): New.
        (TRAMPOLINE_CODE_SIZE): Move to pa.c.
        (INITIALIZE_TRAMPOLINE): Move code to pa_trampoline_init;
        adjust for hook parameters.
        (TRAMPOLINE_ADJUST_ADDRESS): Move code to pa_trampoline_adjust_address.

        * config/pdp11/pdp11.c (pdp11_trampoline_init): New.
        (TARGET_TRAMPOLINE_INIT): New.
        * config/pdp11/pdp11.h (TRAMPOLINE_TEMPLATE): Remove.
        (INITIALIZE_TRAMPOLINE): Move code to pdp11_trampoline_init.

        * config/picochip/picochip.h (INITIALIZE_TRAMPOLINE): Remove.

        * config/rs6000/rs6000-protos.h (rs6000_initialize_trampoline): Remove.
        * config/rs6000/rs6000.c (TARGET_TRAMPOLINE_INIT): New.
        (rs6000_trampoline_init): Rename from rs6000_initialize_trampoline;
        make static; adjust parameters for the hook.
        * config/rs6000/rs6000.h (INITIALIZE_TRAMPOLINE): Remove.

        * config/s390/s390.c (s390_asm_trampoline_template): Rename from
        s390_trampoline_template; make static.
        (s390_trampoline_init): Rename from s390_initialize_trampoline;
        make static; adjust for target hook.
        (TARGET_ASM_TRAMPOLINE_TEMPLATE, TARGET_TRAMPOLINE_INIT): New.
        * config/s390/s390-protos.h: Remove trampoline decls.
        * config/s390/s390.h (INITIALIZE_TRAMPOLINE): Remove.
        (TRAMPOLINE_TEMPLATE): Remove.
        (TRAMPOLINE_ALIGNMENT): New.

        * config/score/score-protos.h (score_initialize_trampoline): Remove.
        * config/score/score.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
        (TARGET_TRAMPOLINE_INIT): New.
        (score_asm_trampoline_template): New.
        (score_trampoline_init): Rename from score_initialize_trampoline;
        make static; adjust for hook parameters.
        * config/score/score.h (TRAMPOLINE_TEMPLATE): Move code to
        score[37]_asm_trampoline_template.
        (INITIALIZE_TRAMPOLINE): Remove.
        * config/score/score3.c (score3_asm_trampoline_template): New.
        (score3_trampoline_init): Rename from score3_initialize_trampoline;
        adjust for target hook.
        * config/score/score7.c (score7_asm_trampoline_template): New.
        (score7_trampoline_init): Rename from score7_initialize_trampoline;
        adjust for target hook.
        * config/score/score3.h, config/score/score7.h: Update.

        * config/sh/sh-protos.h (sh_initialize_trampoline): Remove.
        * config/sh/sh.c (TARGET_TRAMPOLINE_INIT): New.
        (TARGET_TRAMPOLINE_ADJUST_ADDRESS): New.
        (sh_trampoline_init): Rename from sh_initialize_trampoline;
        make static; adjust for target hook parameters.
        (sh_trampoline_adjust_address): New.
        * config/sh/sh.h (INITIALIZE_TRAMPOLINE): New.
        (TRAMPOLINE_ADJUST_ADDRESS): Move code to sh_trampoline_adjust_address.

        * config/sparc/sparc.c (TARGET_TRAMPOLINE_INIT): New.
        (sparc32_initialize_trampoline): Rename from
        sparc_initialize_trampoline; make static; replace tramp parameter
        with m_tramp and update memory accesses.
        (sparc64_initialize_trampoline): Similarly.
        (sparc_trampoline_init): New.
        * config/sparc/sparc-protos.h: Remove trampoline decls.
        * config/sparc/sparc.h (INITIALIZE_TRAMPOLINE): Remove.
        * config/sparc/sparc.md (nonlocal_goto): Don't use static_chain_rtx.

        * config/spu/spu.c (TARGET_TRAMPOLINE_INIT): New.
        (array_to_constant): Make ARR parameter const.
        (spu_trampoline_init): Rename from spu_initialize_trampoline;
        make static; update for hook parameters.
        * config/spu/spu-protos.h: Update decls.
        * config/spu/spu.h (INITIALIZE_TRAMPOLINE): Remove.

        * config/stormy16/stormy16.c (xstormy16_trampoline_init): Rename
        from xstormy16_initialize_trampoline; make static; update for
        hook parameters.
        (TARGET_TRAMPOLINE_INIT): New.
        * config/stormy16/stormy16.h (INITIALIZE_TRAMPOLINE): Remove.

        * config/v850/v850.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
        (TARGET_TRAMPOLINE_INIT): New.
        (v850_can_eliminate): Make static.
        (v850_asm_trampoline_template, v850_trampoline_init): New.
        * config/v850/v850.h (TRAMPOLINE_TEMPLATE): Move code to
        v850_asm_trampoline_template.
        (INITIALIZE_TRAMPOLINE): Move code to v850_trampoline_init
        and adjust for target hook parameters.

        * config/vax/vax.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
        (TARGET_TRAMPOLINE_INIT): New.
        (vax_asm_trampoline_template, vax_trampoline_init): New.
        * config/vax/vax.h (TRAMPOLINE_TEMPLATE): Move code to
        vax_asm_trampoline_template.
        (INITIALIZE_TRAMPOLINE): Move code to vax_trampoline_init.

        * config/xtensa/xtensa.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
        (TARGET_TRAMPOLINE_INIT): New.
        (xtensa_asm_trampoline_template): Rename from
        xtensa_trampoline_template; make static.
        (xtensa_trampoline_init): Rename from xtensa_initialize_trampoline;
        make static; update for hook parameters.
        * config/xtensa/xtensa-protos.h: Remove trampoline decls.
        * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Remove.
        (INITIALIZE_TRAMPOLINE): Remove.

        * config/i386/i386.c (ix86_function_regparm): Do not issue an
        error for nested functions with regparm=3.
        (ix86_compute_frame_layout): Adjust frame pointer offset for
        ix86_static_chain_on_stack.
        (ix86_expand_prologue): Handle ix86_static_chain_on_stack.
        (ix86_emit_restore_reg_using_pop): Increment ix86_cfa_state->offset,
        don't reset to UNITS_PER_WORD.
        (ix86_emit_leave): Adjust ix86_cfa_state.
        (ix86_expand_epilogue): Handle ix86_static_chain_on_stack.
        (ix86_static_chain): New.
        (ix86_trampoline_init): Rename from x86_initialize_trampoline;
        make static; update for target hook parameters; use ix86_static_chain.
        (TARGET_STATIC_CHAIN, TARGET_TRAMPOLINE_INIT): New.
        * config/i386/i386.h (STATIC_CHAIN_REGNUM): Remove.
        (INITIALIZE_TRAMPOLINE): Remove.
        (TRAMPOLINE_SIZE): Use 24 for 64-bit.
        (struct machine_function): Use BOOL_BITFIELD; rearrange bitfields
        to the end.  Add static_chain_on_stack.
        (ix86_static_chain_on_stack): New.

        * config/m68k/m68k.c (TARGET_TRAMPOLINE_INIT): New.
        (m68k_output_mi_thunk): Don't use static_chain_rtx.
        (m68k_trampoline_init): New.
        * config/m68k/m68k.h (INITIALIZE_TRAMPOLINE): Move code to
        m68k_trampoline_init and adjust for hook parameters.
        * config/m68k/netbsd-elf.h (TRAMPOLINE_TEMPLATE): Remove.
        (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Remove.

2009-09-22  Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/rs6000.c (bdesc_2arg): Fix CODE_FOR_vector_gt* codes
        for __builtin_altivec_vcmpgt{sb,uh,sh,uw}.

        * reload1.c (reload): Call wrap_constant when substituting
        reg for equiv inside of DEBUG_INSNs.

        PR bootstrap/41405
        * dwarf2out.c (base_type_die, record_type_tag, gen_subprogram_die,
        add_call_src_coords_attributes, add_high_low_attributes,
        gen_compile_unit_die, gen_type_die_with_usage force_decl_die,
        gen_decl_die, dwarf2out_imported_module_or_decl_1, dwarf2out_finish,
        dwarf2out_imported_module_or_decl): Avoid using DWARF3 additions
        when -gdwarf-2 -gstrict-dwarf.
        (loc_list_from_tree): Likewise.  Avoid using DWARF4 additions when
        -gdwarf-[23] -gstrict-dwarf.
        (address_of_int_loc_descriptor, loc_descriptor,
        loc_list_for_address_of_addr_expr_of_indirect_ref): Avoid using
        DWARF4 additions when -gdwarf-[23] -gstrict-dwarf.
        * common.opt (gno-strict-dwarf, gstrict-dwarf): New options.

2009-09-22  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/41428
        * tree-ssa-ccp.c (ccp_fold_stmt): New function.
        (ccp_finalize): Pass it to substitute_and_fold.

2009-09-22  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-propagate.h (ssa_prop_fold_stmt_fn): Declare.
        (substitute_and_fold): Adjust prototype.
        * tree-vrp.c (vrp_evaluate_conditional): Make static.
        (simplify_stmt_using_ranges): Likewise.
        (fold_predicate_in): Move here from tree-ssa-propagate.c.
        (vrp_fold_stmt): New function.
        (vrp_finalize): Pass it to substitute_and_fold.
        * tree-flow.h (vrp_evaluate_conditional): Remove.
        (simplify_stmt_using_ranges): Likewise.
        * tree-ssa-ccp.c (ccp_finalize): Adjust call to substitute_and_fold.
        * tree-ssa-copy.c (fini_copy_prop): Likewise.
        * tree-ssa-propagate.c (struct prop_stats_d): Rename num_pred_folded
        member.
        (fold_predicate_in): Move to tree-vrp.c.
        (substitute_and_fold): Use the callback instead of calling into
        tree-vrp.c functions directly.

2009-09-22  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (address_of_int_loc_descriptor): Avoid signed/unsigned
        comparison warning on rs6000.

        PR middle-end/41429
        * tree-cfg.c (remove_useless_stmts_tc): Call gsi_next (gsi) even for
        GIMPLE_EH_MUST_NOT_THROW cleanup.
        (verify_types_in_gimple_stmt): Handle GIMPLE_EH_MUST_NOT_THROW.

2009-09-22  Jack Howarth  <howarth@bromo.med.uc.edu>

        PR middle-end/41260
        * gcc/config.gcc: Use darwin9.h and darwin10.h on darwin10 and later.
        * gcc/config/darwin10.h: Add file to pass -no_compact_unwind on
        LIB_SPEC for darwin10 and later since it always uses the unwinder in
        libSystem which is derived from the gcc 4.2.1 unwinder.

2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR middle-end/41357
        * varasm.c (default_encode_section_info): Copy TLS model into
        sym_ref flags regardless of backend support for TLS, for all
        model types except TLS_MODEL_EMULATED.

2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR bootstrap/41404
        * dwarf2out.c (mem_loc_descriptor): Punt on CONST_STRING until
        we can handle it correctly.

2009-09-21  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (os2): Remove section.

2009-09-21  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/standards.texi (Objective-C): Adjust two URLs.

2009-09-21  Giuseppe Scrivano <gscrivano@gnu.org>

        * tree-tailcall.c (process_assignment): Don't check if a
        multiplication or an addition are already present.
        (find_tail_calls): Combine multiple additions and multiplications.
        (adjust_accumulator_values): Emit accumulators.

2009-09-21  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/i386.c (ix86_expand_epilogue): Adjust offset for
        xmm register restore.

2009-09-21  Jan Hubicka  <jh@suse.cz>

        * dwarf2out.c (decl_loc_table_eq): Allow decl_loc_table to be NULL.
        (dwarf2out_abstract_function): NULLify decl_loc_table at begginig and
        restore at the end.

2009-09-21  Eric Botcazou  <ebotcazou@adacore.com>

        * stor-layout.c (layout_type): Remove obsolete code.

2009-09-20  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/41395
        * opts.c (decode_options): Don't turn on flag_ipa_sra for opt2.

2009-09-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR middle-end/30789
        * builtins.c (do_mpc_arg2): Accept DO_NONFINITE parameter.
        (do_mpc_ckconv): Accept FORCE_CONVERT parameter.
        (fold_builtin_2, do_mpc_arg1): Update accordingly.
        * fold-const.c (const_binop): Likewise.
        * real.h (do_mpc_arg2): Update prototype.

2009-09-20  Jan Hubicka  <jh@suse.cz>

        * dwarf2out.c (add_const_value_attribute): Return true if successful.
        (add_location_or_const_value_attribute): Rewrite using
        loc_list_from_tree.
        (tree_add_const_value_attribute): Return true if successful.
        (tree_add_const_value_attribute_for_decl): Likewise.

        * dwarf2out.c (address_of_int_loc_descriptor): Break out from ...
        (loc_descriptor): ... here;
        (loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
        (cst_pool_loc_descr): Break out from ...; do not reffer constant
        pool items that was not marked for output.
        (loc_list_from_tree): ... here; handle special cases of ADDR_EXPR;
        (loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
        (loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
        handle ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, REALPART_EXPR,
        IMAGPART_EXPR; handle address of INTEGER_CST; improve handling of
        CONSTRUCTOR; handle REAL_CST, STRING_CST, COMPLEX_CST; use
        DW_OP_stack_value to get address of items that are not available
        as addresses.
        (dw_loc_list): Handle single element lists correctly.

2009-09-20  Kai Tietz  <kai.tietz@onevision.com>
            Pascal Obry  <obry@adacore.com>

        * unwind-dw2-fde.c (classify_object_over_fdes):
        Cast the constant 1 to _Unwind_Ptr.
        (add_fdes): Likewise.
        (linear_search_fdes): Likewise.

2009-09-20  Eric Botcazou  <ebotcazou@adacore.com>

        * stor-layout.c (set_sizetype): Avoid useless type copy.

2009-09-20  Richard Sandiford  <rdsandiford@googlemail.com>

        * configure.ac (gcc_cv_ld_mips_personality_relaxation): New
        feature check.
        (HAVE_LD_PERSONALITY_RELAXATION): New macro definition.
        * configure, config.in: Regenerate.
        * dwarf2asm.c (eh_data_format_name): Handle DW_EH_PE_indirect |
        DW_EH_PE_absptr.
        * config/mips/mips.h (TARGET_WRITABLE_EH_FRAME): New macro.
        (ASM_PREFERRED_EH_DATA_FORMAT): Define.  Use MIPS_EH_INDIRECT
        for global data if the output could be used in a shared library.
        * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
        to 0 if TARGET_WRITABLE_EH_FRAME.

2009-09-20  Paolo Bonzini <bonzini@gnu.org>

        PR rtl-optimization/39886
        * combine.c (update_cfg_for_uncondjump): Set EDGE_FALLTHRU
        just when insn is equal to BB_END (bb).

2009-09-19  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.opt (mrelax-pic-calls): New option.
        * config/mips/mips.c (mips_strip_unspec_address): Move it up in
        the file.
        (mips_unspec_call): Change "unspec_call" expander into this.
        (mips_strip_unspec_call): New function.
        (mips_got_load): Call mips_unspec_call instead of
        gen_unspec_call<mode>.
        (mips16_build_call_stub): Fix comment for fp_code.  Adjust call to
        MIPS_CALL.
        (mips_cfg_in_reorg): New function.
        (mips16_lay_out_constants): Use it to decide whether to call
        CFG-aware insn splitting.
        (r10k_insert_cache_barriers): Move CFG set-up code from here to
        mips_reorg.  Move DF set-up code from here ...
        (mips_df_reorg): ... to here.  Call r10k_insert_cache_barriers
        from here.
        (mips_reorg): Call mips_df_reorg instead of
        r10k_insert_cache_barriers.  Move CFG set-up code here from
        r10k_insert_cache_barriers.
        (mips_call_expr_from_insn): New function.
        (mips_pic_call_symbol_from_set): Likewise.
        (mips_find_pic_call_symbol): Likewise.
        (mips_annotate_pic_call_expr): Likewise.
        (mips_get_pic_call_symbol): Likewise.
        (mips_annotate_pic_calls): Likewise.
        (mips_override_options): Disable -mrelax-pic-calls unless PIC
        calls are used.
        (mips_set_mips16_mode): Disable -mrelax-pic-calls for MIPS16.
        * config/mips/mips-protos.h (mips_get_pic_call_symbol): Declare it.
        * config/mips/mips.h (MIPS_CALL): Use it to print the .reloc
        directive.
        * config/mips/mips.md (UNSPEC_CALL_ATTR): New unspec.
        (unspec_call<mode>): Remove it.
        (sibcall_internal, sibcall_value_internal,
        sibcall_value_multiple_internal, call_internal, call_split,
        call_value_internal, call_value_split,
        call_value_multiple_internal, call_value_multiple_split): Pass
        SIZE_OPNO to MIPS_CALL.
        (call_internal_direct, call_direct_split,
        call_value_internal_direct, call_value_direct_split): Pass -1 as
        SIZE_OPNO to MIPS_CALL.
        * configure.ac <mips*-*-*>: Add test for .reloc R_MIPS_JALR.
        * configure: Regenerate.
        * doc/invoke.texi (Option Summary): Add -mrelax-pic-calls
        and -mno-relax-pic-calls.
        (MIPS Options): Document -mrelax-pic-calls and -mno-relax-pic-calls.

2009-09-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR bootstrap/35619
        * Makefile.in (stmp-fixinc): Ensure `include-fixed' is created
        in the directory this rule is called from, rather than the
        toplevel 'gcc' directory, to fix in-tree build.

2009-09-19  Chris Demetriou  <cgd@google.com>

        PR preprocessor/28435:
        * c-opts.c (c_common_handle_option): For -MD and -MMD, indicate
        to cpplib that the preprocessor output is needed.

2009-09-19  Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/rs6000.md (*save_gpregs_<mode>, *save_fpregs_<mode>,
        *restore_gpregs_<mode>, *return_and_restore_gpregs_<mode>,
        *return_and_restore_fpregs_<mode>,
        *return_and_restore_fpregs_aix_<mode>): Remove 'z' operand modifier.

        PR bootstrap/41397
        * dwarf2out.c (mem_loc_descriptor) <case SUBREG>: Recurse
        instead of assuming it has always a REG inside of it.

2009-09-18  Gerald Pfeifer  <gerald@pfeifer.com>

        * config/freebsd.h: Update comment on types.
        (WINT_TYPE): Define.

2009-09-18  Jason Merrill  <jason@redhat.com>

        * c.opt: Add -fno-deduce-init-list.

2009-09-18  Neil Vachharajani  <nvachhar@google.com>

        * value-prof.c (interesting_stringop_to_profile_p): Added output
        argument to indicate which parameter is the size parameter.
        * value-prof.c (gimple_stringop_fixed_value): Use
        INTERESTING_STRINGOP_TO_PROFILE_P to find size argument.
        * value-prof.c (gimple_stringops_transform): Update call sites to
        INTERESTING_STRINGOP_TO_PROFILE_P to reflect parameter change.

2009-09-18  Uros Bizjak  <ubizjak@gmail.com>

        PR target/38288
        From David Binderman <dcb314@hotmail.com>:
        * gcc/config/i386/i386.c (ix86_function_regparm): Remove useless
        local variable f.  Remove stale comments.
        (ix86_compute_frame_layout): Remove useless local variable total_size.
        Remove #if 0'd code.
        (legitimate_address_p): Remove useless local variables
        reason_rtx and reason.
        (ix86_split_copysign_const): Remove useless local variable op1.
        (scale_counter): Remove useless local variable piece_size_mask.

2009-09-18  Jakub Jelinek  <jakub@redhat.com>

        * stmt.c (expand_asm_operands): Set REG_ATTRS on the temporary from
        output decl.

2009-09-17  Michael Haubenwallner  <michael.haubenwallner@salomon.at>

        PR target/40913
        * config/pa/t-hpux-shlib: Set soname in libgcc_s.sl.

2009-09-17  Jakub Jelinek  <jakub@redhat.com>

        * c-decl.c (finish_struct): Adjust DECL_SOURCE_LOCATION of
        TYPE_STUB_DECL.

2009-09-17  Alexandre Oliva  <aoliva@redhat.com>

        * dwarf2out.c (loc_descriptor): Emit DW_OP_stack_value and
        DW_OP_implicit_value even without dwarf_version 4.

2009-09-17  Jan Hubicka  <jh@suse.cz>

        * dwarf2out.c: Include tree-pass.h and gimple.h.
        (loc_list_plus_const): New function.
        (loc_descriptor_from_tree_1): Rename to ...
        (loc_descriptor_from_tree): ... remove original.
        (loc_list_from_tree): New function.
        (add_AT_location_description): Accept location list.
        (tls_mem_loc_descriptor): Update call of loc_descriptor_from_tree.
        (concatn_mem_loc_descriptor): Remove.
        (mem_loc_descriptor): Handle CONCAT/CONCATN and VAR_LOCATION by
        returning NULL.
        (secname_for_decl): Move up.
        (hidden_reference_p): New function; break out from ...
        (loc_by_refernece): ... here; move up.
        (dw_loc_list): New function.
        (single_element_loc_list): New function.
        (single_element_loc_list_p): New function.
        (add_loc_descr_to_each): New function.
        (add_loc_list): New function.
        (loc_descr_from_tree): Make wraper of loc_list_from_tree.
        (loc_list_from_tree): Reroganized from loc_descr_from_tree;
        add diagnostics why expansion failed.
        (add_location_or_const_value_attribute): Support location lists.
        (add_bound_info): Likewise.
        (descr_info_loc): Update call of loc_descriptor_from_tree.
        (gen_variable_die): Work on location lists.
        * final.c (pass_final): Add dump file.
        * Makefile.in (dwarf2out.o): Add new dependencies.

2009-09-17  Janis Johnson  <janis187@us.ibm.com>

        PR c/41049
        * real.c decimal_from_integer, decimal_integer_string): New.
        (real_from_integer): Use them as special case for decimal float.
        * config/dfp-bit.c (_si_to_sd, _usi_to_sd): Use default rounding.
        (_di_to_sd, _di_to_dd, _di_to_td, _udi_to_sd, _udi_to_dd, _udi_to_td):
        Do not append zero after the decimal point in string to convert.

2009-09-17  Alexander Monakov  <amonakov@ispras.ru>

        * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
        for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.

2009-09-17  Martin Jambor  <mjambor@suse.cz>

        * common.opt (fipa-sra): New switch.
        * opts.c (decode_options): Turn flag_ipa_sra on for opt2.
        * timevar.def (TV_IPA_SRA): New timevar.
        * params.def (ipa-sra-ptr-growth-factor): New parameter.
        * doc/invoke.texi: Document -fipa-sra and ipa-sra-ptr-growth-factor.
        * tree-sra.c: Include cgraph.c.
        (enum sra_mode): Added SRA_MODE_EARLY_IPA.
        (struct access): Added fields stmt, grp_maybe_modified, grp_scalar_ptr
        and grp_not_necessarilly_dereferenced.
        (func_param_count): New variable.
        (encountered_apply_args): New variable.
        (bb_dereferences): New variable.
        (final_bbs): New variable.
        (no_accesses_representant): New variable.
        (no_accesses_p): New function.
        (dump_access): Dump the new fields.
        (sra_initialize): Set encountered_apply_args to false.
        (get_ssa_base_param): New function.
        (mark_parm_dereference): New function.
        (create_access): Caring for INIDRECT_REFs and different handling of
        varialble length accesses in early IPA SRA.  Store the stmt - a new
        parameter - to the new access.
        (build_access_from_expr_1): New parameter stmt, passed to
        create_access.  Handle INDIRECT_REFs.
        (build_access_from_expr): Pass the current statement to
        build_access_from_expr_1.
        (disqualify_ops_if_throwing_stmt): Trigger only in intraprocedural
        passes.
        (build_accesses_from_assign): Pass the current statement to
        build_access_from_expr_1.  Do not create assign links in IPA-SRA.
        (scan_function): Call handle_ssa_defs on phi nodes.  Set bits in
        final_bbs when necessary.  Check for calls to __builtin_apply_args.
        Fixup EH info if anythng was changed.
        (is_unused_scalar_param): New function.
        (ptr_parm_has_direct_uses): New function.
        (find_param_candidates): New function.
        (mark_maybe_modified): New function.
        (analyze_modified_params): New function.
        (propagate_dereference_distances): New function.
        (dump_dereferences_table): New function.
        (analyze_caller_dereference_legality): New function.
        (unmodified_by_ref_scalar_representative): New function.
        (splice_param_accesses): New function.
        (decide_one_param_reduction): New function.
        (enum ipa_splicing_result): New type.
        (splice_all_param_accesses): New function.
        (get_param_index): New function.
        (turn_representatives_into_adjustments): New function.
        (analyze_all_param_acesses): New function.
        (get_replaced_param_substitute): New function.
        (get_adjustment_for_base): New function.
        (replace_removed_params_ssa_names): New function.
        (sra_ipa_reset_debug_stmts): New function.
        (sra_ipa_modify_expr): New function.
        (sra_ipa_modify_assign): New function.
        (convert_callers): New function.
        (modify_function): New function.
        (ipa_sra_preliminary_function_checks): New function.
        (ipa_early_sra): New function.
        (ipa_early_sra_gate): New function.
        (pass_early_ipa_sra): New variable.
        * Makefile.in (tree-sra.o): Add cgraph.h to dependencies.

2009-09-17  Michael Matz  <matz@suse.de>

        PR middle-end/41347
        * tree.c (build_type_attribute_qual_variant): Export.
        * tree.h (build_type_attribute_qual_variant): Declare.
        * tree-inline.c (remap_type_1): Use it to build variants with
        the original qualifiers and attributes.

2009-09-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * cfglayout.c (fixup_reorder_chain): Accept conditional jumps
        without a fallthrough edge.

2009-09-16  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.c (m32c_emit_epilogue): Check for R8C or M16C
        chip and ignore the "fast_interrupt" attribute if so.

2009-09-16  Richard Henderson  <rth@redhat.com>

        PR middle-end/41360
        * cfgbuild.c (find_bb_boundaries): Really re-instate 2009-09-02
        barrier fix.

2009-09-16  Richard Henderson  <rth@redhat.com>

        PR target/41246
        * tree-cfg.c (verify_gimple_call): Validate that gimple_call_chain
        is set only if DECL_NO_STATIC_CHAIN is unset.
        * tree-nested.c (iter_nestinfo_start, iter_nestinfo_next): New.
        (FOR_EACH_NEST_INFO): New.
        (walk_all_functions): Use it.
        (finalize_nesting_tree): Likewise.
        (unnest_nesting_tree): Likewise.
        (free_nesting_tree): Use iter_nestinfo_start, iter_nestinfo_next.
        (get_chain_decl, get_chain_field): Reset DECL_NO_STATIC_CHAIN.
        (convert_gimple_call): Early out if gimple_call_chain already set.
        (convert_all_function_calls): Iterate until no new functions
        require a static chain.
        (finalize_nesting_tree_1): Assert DECL_NO_STATIC_CHAIN is unset
        when building a trampoline.  Use dump_function_to_file instead
        of dump_function.
        (lower_nested_functions): Open dump_file.  Validate that decls
        that have DECL_NO_STATIC_CHAIN from the front end don't have that
        bit reset by this pass.

2009-09-16  Michael Matz  <matz@suse.de>

        PR fortran/41212
        * tree.h (struct tree_decl_common): Add decl_restricted_flag,
        shorten decl_common_unused.
        (DECL_RESTRICTED_P): New accessor.
        * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Use it
        to disambiguate marked decls and restrict pointers.

2009-09-16  Richard Henderson  <rth@redhat.com>

        PR middle-end/41360
        * cfgbuild.c (find_bb_boundaries): Re-instate 2009-09-02 barrier fix.

2009-09-16  Jakub Jelinek  <jakub@redhat.com>

        * integrate.c (set_block_abstract_flags): Call
        set_decl_abstract_flags also on BLOCK_NONLOCALIZED_VARs.

2009-09-16  Richard Guenther  <rguenther@suse.de>

        PR middle-end/34011
        * tree-flow-inline.h (may_be_aliased): Compute readonly variables
        as non-aliased.

2009-09-16  DJ Delorie  <dj@redhat.com>
            Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (output_stack_adjust): Add new argument frame_p.
        (sh_expand_prologue): Update calls to output_stack_adjust.
        (sh_expand_epilogue): Likewise.

2009-09-15  Adam Nemet  <anemet@caviumnetworks.com>

        PR bootstrap/41349
        * reorg.c (redundant_insn): Don't count notes or DEBUG_INSNs when
        trying to limit the extent of searches in the insn stream.

2009-09-15  Nathan Froyd  <froydnj@codesourcery.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR target/41175
        PR target/40677
        * config/rs6000/rs6000.c (no_global_regs_above): Fix precedence
        problem.
        (SAVRES_NOINLINE_GPRS_SAVES_LR, SAVRES_NOINLINE_FPRS_SAVES_LR,
        SAVRES_NOINLINE_FPRS_DOESNT_RESTORE_LR): New strategy bits.
        (rs6000_savres_strategy): Always save FP registers inline if the
        target doesn't support hardware double-precision.  Set the above
        bits in return value when needed.
        (rs6000_savres_routine_sym): Fix computation for cache selector.
        Mark the generated symbol as a function.  Rename exitp argument to
        lr.  Move code for determining the name of the symbol...
        (rs6000_savres_routine_name): ...here.  New function.  Add cases for
        getting the names right on AIX and 64-bit Linux.
        (savres_routine_name): New variable.
        (rs6000_make_savres_rtx): Rename exitp argument to lr.  Don't assert
        lr isn't set when savep.  Use r12 resp. r1 instead of r11 depending
        on what the target routine uses as a base register.  If savep && lr
        describe saving of r0 into memory slot.
        (rs6000_emit_prologue): Correct use of call_used_regs.  Fix out of
        line calls for AIX ABI.
        (rs6000_output_function_prologue): Use rs6000_savres_routine_name to
        determine FP save/restore functions.
        (rs6000_emit_stack_reset): Handle savres if sp_offset != 0 and
        frame_reg_rtx != sp_reg_rtx.  Use gen_add3_insn instead of
        gen_addsi3.
        (rs6000_emit_epilogue): Adjust computation of restore_lr.
        Duplicate restoration of LR and execute the appropriate one
        depending on whether GPRs are being restored inline.  Set r11 from
        offsetted frame_reg_rtx instead of sp_reg_rtx; if frame_reg_rtx is
        r11, adjust sp_offset.  Use gen_add3_insn instead of gen_addsi3.
        Fix out of line calls for AIX ABI.
        * config/rs6000/rs6000.md (*return_and_restore_fpregs_aix_<mode>):
        New insn.
        * config/rs6000/spe.md (*save_gpregs_spe): Use explicit match for
        register 11.
        (*restore_gpregs_spe): Likewise.
        (*return_and_restore_gpregs_spe): Likewise.
        * config/rs6000/linux64.h (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX):
        Define to empty string unconditionally.
        * config/rs6000/sysv4.h (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX):
        Define to empty string unconditionally.
        (GP_SAVE_INLINE, FP_SAVE_INLINE): Handle TARGET_64BIT the same as
        !TARGET_64BIT.

2009-09-15  Jan Hubicka  <jh@suse.cz>

        * doc/invoke.texi (inline-insns-auto): Drop from 60 to 50.
        * params.def (inline-insns-auto): Likewise.

2009-09-15  Martin Jambor  <mjambor@suse.cz>

        * ipa-inline.c (estimate_function_body_sizes): Dump info about
        individual statements only at TDF_DETAILS dump level.  Format
        source for 80 characters per line.

2009-09-15  Christian Bruel  <christian.bruel@st.com>

        * regrename.c (do_replace): Update REG_DEAD notes.

2009-09-15  Revital Eres  <eres@il.ibm.com>

        * doc/tm.texi (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Document.
        * targhooks.c (default_builtin_support_vector_misalignment):
        New builtin function.
        * targhooks.h (default_builtin_support_vector_misalignment):
        Declare.
        * target.h (builtin_support_vector_misalignment):
        New field in struct gcc_target.
        * tree-vect-data-refs.c (vect_supportable_dr_alignment): Call
        new builtin function.
        * target-def.h (TARGET_SUPPORT_VECTOR_MISALIGNMENT):
        Define.
        * config/rs6000/rs6000.c
        (rs6000_builtin_support_vector_misalignment): New function.
        (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Define.

2009-09-15  Jie Zhang  <jie.zhang@analog.com>

        * config/bfin/bfin.c (length_for_loop): Use NONDEBUG_INSN_P
        instead of INSN_P.
        (bfin_optimize_loop): Likewise.
        (bfin_gen_bundles): Likewise.
        (workaround_speculation): Likewise.
        (find_load): Return NULL_RTX for debug_insn.

2009-09-15  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.md (smaxsf3): Disable for IEEE mode.
        (sminsf3): Ditto.

2009-09-14  DJ Delorie  <dj@redhat.com>

        * config/mep/mep.h (JUMP_TABLES_IN_TEXT_SECTION): Define.
        * config/mep/mep.c (mep_emit_cbranch): Don't use BEQZ/BNEI in
        VLIW mode.

2009-09-14  Richard Henderson  <rth@redhat.com>
            Jakub Jelinek  <jakub@redhat.com>

        * builtins.c (expand_builtin_synchronize): Use gimple_build_asm_vec.
        * cfgbuild.c (make_edges): Handle asm goto.
        * cfglayout.c (fixup_reorder_chain): Likewise.
        * cfgrtl.c (patch_jump_insn): Likewise.
        * gimple-pretty-print.c (dump_gimple_asm): Likewise.
        * gimple.c (gimple_build_asm_1): Add and use nlabels parameter.
        (gimple_build_asm_vec): Add and use labels parameter.
        (gimple_build_asm): Remove.
        (walk_gimple_asm): Walk labels too.
        * gimple.def (GIMPLE_ASM): Update docs.
        * gimple.h: Update decls.
        (struct gimple_statement_asm): Change nc to use unsigned char;
        add nl member.
        (gimple_asm_nlabels): New.
        (gimple_asm_label_op, gimple_asm_set_label_op): New.
        * gimplify.c (gimplify_asm_expr): Copy labels from ASM_EXPR
        into gimple_build_asm_vec.
        * jump.c (mark_jump_label_asm): New.
        (mark_jump_label): Use it.
        (redirect_jump_1): Handle asm goto.
        (invert_jump_1): Soft fail if X is null.
        * recog.c (extract_asm_operands): New.
        (asm_noperands): Use it; handle asm labels.
        (decode_asm_operands): Use extract_asm_operands.
        (asm_operand_ok): Properly handle empty string.
        * reg-stack.c (get_asm_operands_in_out): Rename from
        get_asm_operand_n_inputs; use extract_asm_operands; return both
        inputs and outputs by reference; update all callers.
        * rtl.def (ASM_OPERANDS): Add label vector as operand 6.
        * rtl.h (ASM_OPERANDS_LABEL_VEC): New.
        (ASM_OPERANDS_LABEL_LENGTH, ASM_OPERANDS_LABEL): New.
        (ASM_OPERANDS_SOURCE_LOCATION): Renumber.
        (extract_asm_operands): Declare.
        * stmt.c (expand_asm_operands): Add and use labels parameter.
        (check_unique_operand_names): Likewise.
        (resolve_asm_operand_names, resolve_operand_name_1): Likewise.
        (expand_asm_stmt): Handle asm labels.
        * tree-cfg.c (make_gimple_asm_edges): New.
        (make_edges): Use it.
        (cleanup_dead_labels): Handle asm labels.
        (is_ctrl_altering_stmt): Likewise.
        (gimple_redirect_edge_and_branch): Likewise.
        * tree.def (ASM_EXPR): Add 5th operand.
        * tree.h (ASM_LABELS): New.
        (resolve_asm_operand_names): Update decl.

        * c-parser.c (c_parser_asm_statement): Parse asm goto.
        (c_parser_asm_goto_operands): New.
        * c-tree.h (build_asm_expr): Update decl.
        * c-typeck.c (build_asm_expr): Add and use labels parameter.
        * doc/extend.texi: Document asm goto.

2009-09-14  Richard Henderson  <rth@redhat.com>

        * except.h: Update declarations.
        (struct pointer_map_t): Forward declare.
        (ERT_UNKNOWN, ERT_THROW, ERT_CATCH): Remove.
        (struct eh_landing_pad_d, eh_landing_pad): New.
        (struct eh_catch_d, eh_catch): New.
        (struct eh_region_d): Remove next_region_sharing_label, aka,
        label, tree_label, landing_pad, post_landing_pad, resume,
        may_contain_throw.  Rename region_number to index.  Remove
        u.eh_catch, u.eh_throw.  Rename u.eh_try.eh_catch to first_catch.
        Add u.must_not_throw, landing_pads, exc_ptr_reg, filter_reg.
        (VEC(eh_landing_pad,gc)): New.
        (struct eh_status): Remove last_region_number.  Add lp_array,
        throw_stmt_table, ttype_data, ehspec_data.
        (ehr_next, FOR_ALL_EH_REGION_AT): New.
        (FOR_ALL_EH_REGION_FN, FOR_ALL_EH_REGION): New.
        * except.c (lang_protect_cleanup_actions): Return tree.
        (struct ehl_map_entry): Remove.
        (init_eh_for_function): Push zero entries for region and lp_array.
        (gen_eh_region): Add to region_array immediately.
        (gen_eh_region_catch): Operate on eh_catch objects.
        (gen_eh_landing_pad): New.
        (get_eh_region_may_contain_throw, get_eh_region_tree_label): Remove.
        (get_eh_region_no_tree_label, set_eh_region_tree_label): Remove.
        (get_eh_region_from_number, get_eh_region_from_number_fn): New.
        (get_eh_landing_pad_from_number_fn): New.
        (get_eh_landing_pad_from_number): New.
        (get_eh_region_from_lp_number_fn): New.
        (get_eh_region_from_lp_number): New.
        (expand_resx_stmt, note_eh_region_may_contain_throw): Remove.
        (get_exception_pointer, get_exception_filter): Remove.
        (collect_eh_region_array, can_be_reached_by_runtime): Remove.
        (current_function_has_exception_handlers): Simplify.
        (bring_to_root, eh_region_replaceable_by_p): Remove.
        (replace_region, hash_type_list, hash_eh_region): Remove.
        (eh_regions_equal_p, merge_peers, remove_unreachable_regions): Remove.
        (label_to_region_map, num_eh_regions): Remove.
        (get_next_region_sharing_label, must_not_throw_labels): Remove.
        (find_exception_handler_labels): Remove.
        (duplicate_eh_regions_0, find_prev_try): Remove.
        (struct duplicate_eh_regions_data): New.
        (duplicate_eh_regions_1): Rewrite.
        (duplicate_eh_regions): Return a pointer map instead of an
        integer offset.
        (copy_eh_region_1, copy_eh_region, push_reachable_handler): Remove.
        (redirect_eh_edge_to_label): Remove.
        (eh_region_outermost): Rewrite using eh_region pointers
        instead of integers.
        (add_ttypes_entry): Update for ttype_data move to eh_status.
        (add_ehspec_entry): Rewrite with VEC instead of varray.
        (assign_filter_values): Likewise.  Export.
        (build_post_landing_pads, connect_post_landing_pads): Remove.
        (dw2_build_landing_pads): Rewrite to use lp_array.
        (struct sjlj_lp_info, sjlj_find_directly_reachable_regions): Remove.
        (sjlj_assign_call_site_values): Rewrite to use lp_array.
        (sjlj_emit_dispatch_table, sjlj_build_landing_pads): Likewise.
        (sjlj_mark_call_sites): Update for landing pad numbers.
        (finish_eh_generation): Rewrite.
        (gate_handle_eh): Do nothing for no eh tree.
        (pass_rtl_eh): Move up near finish_eh_generation.
        (remove_eh_landing_pad): New.
        (remove_eh_handler): Export.
        (remove_eh_region, remove_eh_handler_and_replace): Remove.
        (for_each_eh_label): Rewrite to use lp_array.
        (make_reg_eh_region_note): New.
        (make_reg_eh_region_note_nothrow_nononlocal): New.
        (insn_could_throw_p): New.
        (copy_reg_eh_region_note_forward): New.
        (copy_reg_eh_region_note_backward): New.
        (check_handled, add_reachable_handler): Remove.
        (reachable_next_level, foreach_reachable_handler): Remove.
        (arh_to_landing_pad, arh_to_label, reachable_handlers): Remove.
        (get_eh_region_and_lp_from_rtx): New.
        (get_eh_region_from_rtx): New.
        (can_throw_internal_1, can_throw_external_1): Remove.
        (can_throw_internal): Use get_eh_region_from_rtx.
        (can_throw_external): Use get_eh_region_and_lp_from_rtx.
        (insn_nothrow_p, can_nonlocal_goto): New.
        (expand_builtin_eh_common, expand_builtin_eh_pointer): New.
        (expand_builtin_eh_filter, expand_builtin_eh_copy_values): New.
        (add_action_record): Use VEC not varray.
        (collect_one_action_chain): Update for eh_region changes.
        (convert_to_eh_region_ranges): Make static.  Use VEC not varray.
        Use get_eh_region_and_lp_from_rtx.
        (gate_convert_to_eh_region_ranges): New.
        (pass_convert_to_eh_region_ranges): Use it.
        (push_uleb128, push_sleb128): Use VEC not varray.
        (output_one_function_exception_table): Likewise.
        (dump_eh_tree): Update for eh_region changes.
        (verify_eh_tree): Likewise.
        (verify_eh_region, default_init_unwind_resume_libfunc): Remove.
        * tree-eh.c: Include target.h.
        (add_stmt_to_eh_lp_fn): Rename from add_stmt_to_eh_region_fn.
        Don't disallow GIMPLE_RESX; adjust argument check.
        (add_stmt_to_eh_lp): Rename from add_stmt_to_eh_region.
        (record_stmt_eh_region): Update for landing pad numbers;
        generate a landing pad if necessary.
        (remove_stmt_from_eh_lp): Rename from remove_stmt_from_eh_region.
        (remove_stmt_from_eh_lp_fn): Similarly.
        (lookup_stmt_eh_lp_fn): Rename from lookup_stmt_eh_region_fn.
        Update for lp numbers; don't special case missing throw_stmt_table.
        (lookup_expr_eh_lp): Similarly.
        (lookup_stmt_eh_lp): Rename from lookup_stmt_eh_region.
        (eh_seq, eh_region_may_contain_throw): New.
        (struct leh_state): Add ehp_region.
        (struct leh_tf_state): Remove eh_label.
        (emit_post_landing_pad): New.
        (emit_resx, emit_eh_dispatch): New.
        (note_eh_region_may_contain_throw): New.
        (frob_into_branch_around): Take eh_region not eh label;
        emit eh code into eh_seq.
        (honor_protect_cleanup_actions): Early exit for no actions.  Don't
        handle EXC_PTR_EXPR, FILTER_EXPR.  Use gimple_build_eh_must_not_throw,
        lower_eh_must_not_throw.  Emit code to eh_seq.
        (lower_try_finally_nofallthru): Emit eh code to eh_seq.
        (lower_try_finally_onedest): Likewise.
        (lower_try_finally_copy): Likewise.
        (lower_try_finally_switch): Likewise.
        (lower_try_finally): Initialize ehp_region.
        (lower_catch): Update for eh_catch objects.
        (lower_eh_filter): Don't handle must_not_throw.
        (lower_eh_must_not_throw): New.
        (lower_cleanup): Don't set eh_label.
        (lower_eh_constructs_2): Resolve eh builtins.
        Handle GIMPLE_EH_MUST_NOT_THROW.
        (lower_eh_constructs): Initialize eh_region_may_contain_throw.
        Add eh_seq to the end of the function body.
        (make_eh_dispatch_edges): New.
        (make_eh_edge): Remove.
        (make_eh_edges): Simplify for landing pads.
        (redirect_eh_edge_1): New.
        (redirect_eh_edge): Use it.
        (redirect_eh_dispatch_edge): New.
        (stmt_could_throw_p): Use a switch.  Allow RESX.
        (stmt_can_throw_external): Use lookup_stmt_eh_lp.
        (stmt_can_throw_internal): Likewise.
        (maybe_clean_eh_stmt_fn, maybe_clean_eh_stmt): New.
        (maybe_clean_or_replace_eh_stmt): Update for landing pads.
        (maybe_duplicate_eh_stmt_fn, maybe_duplicate_eh_stmt): New.
        (gate_refactor_eh): New.
        (pass_refactor_eh): Use it.
        (lower_resx, execute_lower_resx, pass_lower_resx): New.
        (lower_eh_dispatch, execute_lower_eh_dispatch): New.
        (gate_lower_ehcontrol, pass_lower_eh_dispatch): New.
        (remove_unreachable_handlers): Rename from
        tree_remove_unreachable_handlers; rewrite for landing pads;
        call remove_eh_handler directly.
        (remove_unreachable_handlers_no_lp): New.
        (unsplit_eh, unsplit_all_eh): New.
        (tree_empty_eh_handler_p, all_phis_safe_to_merge): Remove.
        (cleanup_empty_eh_merge_phis, cleanup_empty_eh_move_lp): New.
        (cleanup_empty_eh_unsplit): New.
        (cleanup_empty_eh): Rewrite.
        (cleanup_all_empty_eh): New.
        (execute_cleanup_eh): Rename from cleanup_eh.  Remove unreachable
        handlers first.  Use unsplit_all_eh, cleanup_all_empty_eh.
        (gate_cleanup_eh): New.
        (pass_cleanup_eh): Use it.
        (verify_eh_edges): Move later in file.  Expect one EH edge.
        (verify_eh_dispatch_edge): New.

        * Makefile.in (FUNCTION_H): Use vecprim.h, not varray.h.
        (gtype-desc.o): Add TARGET_H.
        (tree.o): Use EXCEPT_H, not except.h.
        (cfgbuild.o): Add EXPR_H.
        (GTFILES): Add vecprim.h.
        * builtins.c (expand_builtin): Handle BUILT_IN_EH_POINTER,
        BUILT_IN_EH_FILTER, BUILT_IN_EH_COPY_VALUES.
        * builtins.def (BUILT_IN_UNWIND_RESUME, BUILT_IN_EH_POINTER,
        BUILT_IN_EH_FILTER, BUILT_IN_EH_COPY_VALUES): New.
        * calls.c (emit_call_1): Use make_reg_eh_region_note.
        * cfgbuild.c (control_flow_insn_p): Use can_nonlocal_goto; tidy
        calls to can_throw_internal.
        (rtl_make_eh_edge): Use get_eh_landing_pad_from_rtx.
        (make_edges): Don't handle RESX; use can_nonlocal_goto.
        * cfgexpand.c (expand_gimple_stmt_1): Don't handle RESX.
        (expand_gimple_stmt): Use make_reg_eh_region_note.
        (expand_debug_expr): Don't handle EXC_PTR_EXPR and FILTER_EXPR.
        (gimple_expand_cfg): Don't call convert_from_eh_region_ranges,
        or find_exception_handler_labels.
        * cfgrtl.c (rtl_verify_flow_info_1): Don't handle RESX.  Assert
        there is exacly one EH edge.  Use can_nonlocal_goto and
        can_throw_internal.
        * cgraphunit.c (update_call_expr): Use maybe_clean_eh_stmt_fn.
        (cgraph_materialize_all_clones): Use maybe_clean_or_replace_eh_stmt.
        * combine.c (can_combine_p, try_combine): Use insn_nothrow_p.
        * cse.c (count_reg_usage, insn_live_p): Use insn_could_throw_p.
        * dce.c (deletable_insn_p_1): Don't test may_trap_p.
        (deletable_insn_p): Use insn_nothrow_p; reorder nonjump insn test.
        * dse.c (scan_insn): Use insn_could_throw_p.
        * emit-rtl.c (try_split): Use copy_reg_eh_region_note_backward.
        * expr.c (expand_expr_real): Use make_reg_eh_region_note.
        (expand_expr_real_1): Don't handle RESX, EXC_PTR, or FILTER_EXPR.
        * fold-const.c (tree_expr_nonnegative_warnv_p): Don't handle
        EXC_PTR_EXPR or FILTER_EXPR.
        (tree_expr_nonzero_warnv_p): Likewise.
        * function.h: Include vecprim.h, not varray.h
        (struct rtl_eh): Remove filter, exc_ptr, built_landing_pad members;
        move ttype_data and ehspec_data members to struct eh_status; change
        action_record_data member to a VEC.
        * gcse.c (hash_scan_set): Use can_throw_internal.
        * gengtype.c (open_base_files): Add target.h to gtype-desc.c.
        * gimple-iterator.c (gsi_replace): Use maybe_clean_or_replace_eh_stmt.
        * gimple-low.c (lower_stmt): Handle GIMPLE_EH_MUST_NOT_THROW.
        (block_may_fallthru): Don't handle RESX_EXPR.
        * gimple-pretty-print.c (dump_gimple_label): Dump EH_LANDING_PAD_NR.
        (dump_gimple_eh_must_not_throw, dump_gimple_eh_dispatch): New.
        (dump_gimple_stmt): Dump landing pad information with TDF_EH;
        handle GIMPLE_EH_MUST_NOT_THROW, GIMPLE_EH_DISPATCH.
        * gimple.c (gss_for_code): Handle GIMPLE_EH_MUST_NOT_THROW,
        GIMPLE_EH_DISPATCH, GIMPLE_RESX.
        (gimple_size): Likewise.
        (gimple_build_eh_dispatch, gimple_build_eh_must_not_throw): New.
        (gimple_build_resx): Use gimple_build_with_ops.
        (DEFTREECODE): Don't handle EXC_PTR_EXPR, FILTER_EXPR.
        (is_gimple_val): Likewise.
        (is_gimple_stmt): Remove RESX_EXPR.
        * gimple.def (GIMPLE_EH_MUST_NOT_THROW, GIMPLE_EH_DISPATCH): New.
        (GIMPLE_RESX): Reorder with other EH constructs.
        * gimple.h (struct gimple_statement_eh_mnt): New.
        (struct gimple_statement_eh_ctrl): Rename from gimple_statement_resx.
        (gimple_eh_filter_must_not_throw): Remove.
        (gimple_eh_filter_set_must_not_throw): Remove.
        (gimple_eh_must_not_throw_fndecl): New.
        (gimple_eh_dispatch_region, gimple_eh_dispatch_set_region): New.
        (is_gimple_resx): New.
        * gimplify.c (gimplify_expr): Don't handle EXC_PTR_EXPR, RESX_EXPR.
        Don't copy EH_FILTER_MUST_NOT_THROW.
        * gsstruct.def (GSS_EH_MNT, GSS_EHCONTROL): New.
        * ipa-inline.c (estimate_function_body_sizes): Don't try to
        handle must_not_throw_labels specially.
        * ipa-pure-const.c (check_call): Update debug statement for LP.
        * ipa-type-escape.c (check_operand): Don't handle EXC_PTR or FILTER.
        * ipa-utils.c (get_base_var): Likewise.
        * libfunc.h (LTI_unwind_resume, unwind_resume_libfunc): Remove.
        * lower-subreg.c (move_eh_region_note): Remove.
        (resolve_simple_move): Use copy_reg_eh_region_note_forward.
        * omp-low.c (new_omp_context): Update for eh_lp_nr.
        (create_task_copyfn): Likewise.
        (maybe_catch_exception): Use gimple_build_eh_filter.
        * optabs.c (emit_libcall_block): Update test for no-nonlocal-goto
        REG_EH_REGION.  Use make_reg_eh_region_note_nothrow_nononlocal.
        * passes.c (init_optimization_passes): Add pass_lower_eh_dispatch
        and pass_lower_resx.
        * print-tree.c (print_node): Dump EH_LANDING_PAD_NR.
        * recog.c (peephole2_optimize): Use copy_reg_eh_region_note_backward,
        can_throw_internal, can_nonlocal_goto.
        * reload1.c (fixup_eh_region_note): Use insn_could_throw_p,
        copy_reg_eh_region_note_forward.
        (emit_input_reload_insns): Use copy_reg_eh_region_note_forward.
        (emit_output_reload_insns): Likewise.
        (copy_eh_notes): Remove.
        * rtl.def (RESX): Remove.
        * rtl.h: Update declarations.
        * sese.c (graphite_copy_stmts_from_block): Use maybe_duplicate_eh_stmt.
        * tree-cfg.c (make_edges): Handle GIMPLE_EH_DISPATCH.
        (update_eh_label): Remove.
        (cleanup_dead_labels_eh): New.
        (cleanup_deal_labels): Use it instead of update_eh_label.
        (gimple_merge_blocks): Update landing pad data structure when
        removing a landing pad label.
        (remove_useless_stmts_tc): Remove gimple_eh_filter_must_not_throw
        test; handle GIMPLE_EH_MUST_NOT_THROW.
        (is_ctrl_altering_stmt): Handle GIMPLE_EH_DISPATCH.
        (verify_gimple_assign_single): Don't handle EXC_PTR or FILTER_EXPR.
        (verify_types_in_gimple_stmt): Handle GIMPLE_EH_DISPATCH.
        (verify_stmt): Likewise.  Verify landing pads.
        (gimple_redirect_edge_and_branch): Handle GIMPLE_EH_DISPATCH.
        (gimple_duplicate_bb): Use maybe_duplicate_eh_stmt.
        (struct move_stmt_d): Add eh_map.
        (move_stmt_eh_region_nr, move_stmt_eh_region_tree_nr): New.
        (move_stmt_r): Remap eh region numbers in builtin calls,
        resx and eh_dispatch.
        (move_block_to_fn): Remove eh_offset parameter.  Use
        maybe_duplicate_eh_stmt_fn.
        (find_outermost_region_in_block): Operate on eh_region pointers
        instead of region numbers.
        (move_sese_region_to_fn): Expect eh_map instead of eh_offset from
        duplicate_eh_regions.
        * tree-cfgcleanup.c (tree_forwarder_block_p): Move entry block edge
        test earlier.  Disallow EH landing pads.
        * tree-cfa.c (create_tree_common_ann): Don't set ann->rn.
        * tree-flow.h: Update declarations.
        (struct tree_ann_common_d): Replace rn with lp_nr.
        * tree-inline.c (copy_tree_body_r): Don't handle RESX_EXPR.
        (remap_eh_region_nr, remap_eh_region_tree_nr): New.
        (remap_gimple_stmt): Remap eh region numbers in builtin calls,
        resx and eh_dispatch.
        (copy_bb): Use maybe_duplicate_eh_stmt_fn.
        (copy_edges_for_bb): Use make_eh_dispatch_edges.
        (copy_cfg_body): Expect eh_map instead of eh_region_offset
        from duplicate_eh_regions.
        (estimate_num_insns): Don't handle EXC_PTR_EXPR or FILTER_EXPR;
        update RESX; handle EH_DISPATCH.
        (expand_call_inline): Set eh_lp_nr, not eh_region.
        (maybe_inline_call_in_expr): Likewise.
        * tree-inline.h (struct copy_body_data): Replace eh_region with
        eh_lp_nr, eh_region_offset with eh_map.
        * tree-optimize.c (execute_fixup_cfg): Use maybe_clean_eh_stmt.
        * tree-pass.h (pass_lower_eh_dispatch, pass_lower_resx): New.
        * tree-pretty-print.c (dump_generic_node): Don't handle
        EXC_PTR_EXPR, FILTER_EXPR, RESX_EXPR.
        * tree-sra.c (scan_function): Use maybe_clean_eh_stmt.
        * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Don't handle
        EXC_PTR_EXPR, FILTER_EXPR.
        * tree-ssa-operands.c (get_expr_operands): Likewise.
        * tree-ssa-propagate.c (valid_gimple_rhs_p): Likewise.
        * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
        (ao_ref_init_from_vn_reference): Likewise.
        * tree-ssa-sink.c (statement_sink_location): Likewise.
        * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
        (mark_virtual_phi_result_for_renaming): Export.  Tidy.
        * tree-ssa-pre.c (get_or_alloc_expr_for): Don't handle
        EXC_PTR_EXPR, FILTER_EXPR.
        (is_exception_related): Remove.
        (compute_avail): Don't call it.
        * tree-ssa-structalias.c: Remove VEC definitions for int and unsigned.
        * tree.c (find_decls_types_in_eh_region): Update for eh_region changes.
        (find_decls_types_in_node): Use FOR_ALL_EH_REGION_FN.
        (build_common_builtin_nodes): Add enable_cxa_end_cleanup parameter.
        Build EH builtins.
        (build_resx): Remove.
        * tree.def (EXC_PTR_EXPR, FILTER_EXPR, RESX_EXPR): Remove.
        * tree.h: Update declarations.
        (EH_FILTER_MUST_NOT_THROW): Remove.
        (struct tree_label_decl): Add eh_landing_pad_nr.
        (EH_LANDING_PAD_NR): New.
        * value-prof.c (gimple_ic): Tidy variable names.  Update for
        landing pad numbers.
        (gimple_stringop_fixed_value): Tidy variable names.  Assert
        that neither call stmt can throw.
        * vecprim.h (uchar): New.
        (VEC(uchar,heap), VEC(uchar,gc)): New.

        * c-common.c (c_define_builtins): Update call to
        build_common_builtin_nodes.
        * c-parser.c (c_parse_file): Don't call
        default_init_unwind_resume_libfunc.

2009-09-14  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips-protos.h (mips_cfun_has_cprestore_slot_p): Declare.
        (mips_cprestore_address_p): Likewise.
        (mips_save_gp_to_cprestore_slot): Likewise.
        (mips_restore_gp): Rename to...
        (mips_restore_gp_from_cprestore_slot): ...this.
        (mips_must_initialize_gp_p): Declare.
        (mips_emit_save_slot_move): Likewise.
        (mips_output_load_label): Return nothing.
        (mips_eh_uses): Declare.
        * config/mips/mips.h (TARGET_SPLIT_CALLS): Require epilogue_completed.
        (TARGET_CPRESTORE_DIRECTIVE): New macro.
        (TARGET_ABSOLUTE_JUMPS): Likewise.
        (EH_USES): Likewise.
        (FIRST_PSEUDO_REGISTER): Update comment.
        (MIPS_ABSOLUTE_JUMP): New macro, extracted from...
        (MIPS_CALL): ...here.
        (REGISTER_NAMES): Add $cprestore.
        * config/mips/mips.c (machine_function): Remove has_gp_insn_p.
        Add load_label_length, has_inflexible_gp_insn_p,
        has_flexible_gp_insn_p, must_initialize_gp_p and
        must_restore_gp_when_clobbered_p.
        (mips_expand_call): Don't generate split instructions here.
        (mips_split_call): Update the call to mips_restore_gp after
        the above name change.
        (mips16_cfun_returns_in_fpr_p): Move earlier in file.
        (mips_find_gp_ref): New function.
        (mips_insn_has_inflexible_gp_ref_p): Likewise.
        (mips_cfun_has_inflexible_gp_ref_p): Likewise.
        (mips_insn_has_flexible_gp_ref_p): Likewise.
        (mips_cfun_has_flexible_gp_ref_p): Likewise.
        (mips_function_has_gp_insn): Delete.
        (mips_global_pointer): Drop the df_regs_ever_live_p check.
        Use the new functions above.  Only return INVALID_REGNUM
        for TARGET_ABSOLUTE_JUMPS.
        (mips_must_initialize_gp_p): New function.
        (mips_get_cprestore_base_and_offset): New function, extracted from...
        (mips_cprestore_slot): ...here.  Take a bool parameter.
        (mips_cfun_has_cprestore_slot_p): New function.
        (mips_cprestore_address_p): Likewise.
        (mips_save_gp_to_cprestore_slot): Likewise.
        (mips_restore_gp): Rename to...
        (mips_restore_gp_from_cprestore_slot): ...this.  Assert
        epilogue_completed.  Update the call to mips_cprestore_slot.
        Test cfun->machine->must_restore_gp_when_clobbered_p.
        (mips_direct_save_slot_move_p): New function.
        (mips_emit_save_slot_move): Likewise.
        (mips_output_cplocal): Test mips_must_initialize_gp_p () instead
        of cfun->machine->global_pointer.
        (mips_output_function_prologue): Check mips_must_initialize_gp_p ().
        (mips_save_reg): Use mips_emit_save_slot_move.
        (mips_expand_prologue): Set must_initialize_gp_p.
        Use mips_cfun_has_cprestore_slot_p.  Use gen_potential_cprestore
        for all cprestore saves.  Emit a use_cprestore instruction after
        setting up the cprestore slot.
        (mips_restore_reg): Use mips_emit_save_slot_move.
        (mips_process_load_label): New function.
        (mips_load_label_length): Likewise.
        (mips_output_load_label): Don't return asm: output it here instead.
        Use mips_process_load_label.
        (mips_adjust_insn_length): Adjust the length of branch instructions
        that have length MAX_PIC_BRANCH_LENGTH.
        (mips_output_conditional_branch): Update the call to
        mips_output_load_label.  Assume the branch target is OPERANDS[0]
        rather than OPERANDS[1].  Use MIPS_ABSOLUTE_JUMP for absolute jumps.
        (mips_output_order_conditional_branch): Swap the meaning of
        OPERANDS[0] and OPERANDS[1].
        (mips_variable_issue): Don't count ghost instructions.
        (mips_expand_ghost_gp_insns): New function.
        (mips_reorg): Rerun mips_reorg_process_insns if it returns true.
        (mips_output_mi_thunk): Set must_initialize_gp_p.
        (mips_eh_uses): New function.
        * config/mips/predicates.md (cprestore_save_slot_operand)
        (cprestore_load_slot_operand): New predicates.
        * config/mips/mips.md (UNSPEC_POTENTIAL_CPRESTORE): New unspec.
        (UNSPEC_MOVE_GP): Likewise.
        (UNSPEC_CPRESTORE, UNSPEC_RESTORE_GP, UNSPEC_EH_RETURN)
        (UNSPEC_CONSTTABLE_INT, UNSPEC_CONSTTABLE_FLOAT): Bump to make room.
        (CPRESTORE_SLOT_REGNUM): New register.
        (MAX_PIC_BRANCH_LENGTH): New constant.
        (jal_macro): Use MIPS_ABSOLUTE_JUMPS.
        (length): Use MAX_PIC_BRANCH_LENGTH as a placeholder for PIC long
        branches.  Fix commentary.
        (loadgp_newabi_<mode>): Change from unspec_volatile to unspec.
        Only split if mips_must_initialize_gp_p; expand to nothing otherwise.
        Change type to "ghost".
        (loadgp_absolute_<mode>): Likewise.
        (loadgp_rtp_<mode>): Likewise.
        (copygp_mips16): Likewise.
        (loadgp_blockage): Remove redundant mode attribute.
        (potential_cprestore): New instruction.
        (cprestore): Turn into an unspec set.
        (use_cprestore): New instruction.
        (*branch_fp): Swap operands 0 and 1.  Remove redundant mode attribute.
        (*branch_fp_inverted): Likewise.
        (*branch_order<mode>): Likewise.
        (*branch_order<mode>_inverted): Likewise.
        (*branch_equality<mode>): Likewise.
        (*branch_equality<mode>_inverted): Likewise.
        (*branch_bit<bbv><mode>): Likewise.
        (*branch_bit<bbv><mode>_inverted): Likewise.
        (*branch_equality<mode>_mips16): Remove redundant mode.
        (jump): Turn into a define_expand.
        (*jump_absolute): New instruction.
        (*jump_pic): Likewise.
        (*jump_mips16): Rename previously-unnamed pattern.  Remove
        redundant mode attribute.
        (restore_gp): Split on epilogue_completed rather than
        reload_completed.  Change type to "ghost".
        (move_gp<mode>): New instruction.
        * config/mips/mips-dsp.md (mips_bposge): Swap operands 0 and 1.
        Remove redundant mode attribute.
        * config/mips/mips-ps-3d.md (bc1any4t): Likewise.
        (bc1any4f, bc1any2t, bc1any2f): Likewise.
        (*branch_upper_lower, *branch_upper_lower_inverted): Likewise.

2009-09-14  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/41210
        * config/rs6000/rs6000.c (rs6000_function_value): V2DF and V2DI
        are returned in the same register (vs34 or v2) that Altivec vector
        types are returned in.
        (rs6000_libcall_value): Ditto.

        PR target/41331
        * config/rs6000/rs6000.c (rs6000_emit_move): Use gen_add3_insn
        instead of explicit addsi3/adddi3 calls.
        (rs6000_split_multireg_move): Ditto.
        (rs6000_emit_allocate_stack): Ditto.
        (rs6000_emit_prologue): Ditto.
        (rs6000_output_mi_thunk): Ditto.

        * config/rs6000/rs6000.md (bswapdi*): Don't assume the pointer
        size is 64 bits if we can use 64-bit registers.

2009-09-14  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (bfin_longcall_p): Don't use short calls for weak
        symbols.

        From Jie Zhang <jie.zhang@analog.com>:
        * config/bfin/bfin.c (bfin_expand_prologue): Ask do_link to
        save FP and RETS with saveall attribute.
        (bfin_expand_epilogue): Ask do_unlink to restore FP and RETS
        with saveall attribute.

        * config/bfin/bfin.c (bfin_expand_builtin,
        case BFIN_BUILTIN_MULT_1X32X32): Force constants to registers for the
        operands.

        From Jie Zhang <jie.zhang@analog.com>:
        * config/bfin/bfin.c (bfin_expand_builtin): Initialize icodes
        before use in two places.
        * config/bfin/bfin.md (AREG): Define mode iterator.
        (reload_in, reload_out): Use mode iterator AREG.

2009-09-14  Richard Guenther  <rguenther@suse.de>

        PR middle-end/41350
        * dwarf2out.c (dwarf2out_begin_prologue): Adjust non-CFI asm
        EH personality path.

2009-09-13  Richard Guenther  <rguenther@suse.de>
            Rafael Avila de Espindola  <espindola@google.com>

        * langhooks-def.h (LANG_HOOKS_EH_RUNTIME_TYPE): Define.
        (LANG_HOOKS_EH_PERSONALITY): Likewise.
        (LANG_HOOKS_INITIALIZER): Adjust.
        (lhd_pass_through_t): Declare.
        * langhooks.h (struct lang_hooks): Add eh_runtime_type and
        eh_personality.
        * langhooks.c (lhd_pass_through_t): New function.
        * dwarf2out.c (output_call_frame_info, dwarf2out_do_cfi_startproc,
        dwarf2out_begin_prologue): Use personality from current_function_decl.
        * expr.h (get_personality_function): Declare.
        * expr.c (get_personality_function): New function.
        (build_personality_function): Likewise.
        * libfuncs.h (libfunc_index): Remove LTI_eh_personality.
        (eh_personality_libfunc): Remove.
        * optabs.c (build_libfunc_function): New function split out from ...
        (init_one_libfunc): ... here.
        * tree.h (DECL_FUNCTION_PERSONALITY): New.
        (tree_function_decl): Add personality.
        (lhd_gcc_personality): Declare.
        (build_personality_function): Likewise.
        * tree.c (gcc_eh_personality_decl): New.
        (lhd_gcc_personality): New function.
        * except.h (lang_eh_runtime_type): Remove.
        (enum eh_personality_kind): New.
        (build_personality_function): Declare.
        (function_needs_eh_personality): Declare.
        * except.c (lang_eh_runtime_type): Remove.
        (function_needs_eh_personality): New function.
        (add_type_for_runtime): Call lang_hooks.type_for_runtime instead.
        (sjlj_emit_function_enter, output_function_exception_table):
        Use personality from current_function_decl.
        * tree-eh.c (lower_eh_constructs): Set DECL_FUNCTION_PERSONALITY.
        * tree-inline.c (tree_can_inline_p): Do not inline across different
        EH personalities.
        (expand_call_inline): Likewise.  Adjust the callers EH personality.
        (tree_function_versioning): Copy DECL_FUNCTION_PERSONALITY.
        * cgraph.c (cgraph_add_new_function): Set DECL_FUNCTION_PERSONALITY.
        * Makefile.in (cgraph.o): Add $(EXCEPT_H) dependency.
        (c-parser.o): Likewise
        * c-tree.h (c_eh_initialized_p): Remove.
        (c_maybe_initialize_eh): Likewise.
        * c-decl.c (finish_decl): Don't call c_maybe_initialize_eh.
        (finish_decl): Don't call c_maybe_initialize_eh.
        (c_eh_initialized_p): Remove.
        (c_maybe_initialize_eh): Likewise.
        * c-parser.c (c_parser_omp_construct): Likewise.
        (c_parse_file): Initialize exception handling.

2009-09-13  Kai Tietz  <kai.tietz@onevision.com>

        * config.gcc (tm_file): Remove i386/biarch32.h
        for i?86-w64-mingw* case.
        (i?86-*-mingw* andx86_64-*-mingw*): Add multilib
        support.
        * config.host: Set for x64 mingw the option
        use_long_long_for_widest_fast_int to yes.

2009-09-13  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
        * dbxout.c (dbxout_function_end): Do not test DECL_IGNORED_P.
        (dbxout_begin_function): Likewise.
        * final.c (dwarf2_debug_info_emitted_p): New predicate.
        (final_start_function): Do not emit debug info if DECL_IGNORED_P is
        set on the function.
        (final_end_function): Likewise.
        (final_scan_insn): Likewise.
        (rest_of_handle_final): Likewise.
        * varasm.c (assemble_start_function): Likewise.
        * config/rs6000/xcoff.h (ASM_DECLARE_FUNCTION_NAME): Likewise.

2009-09-12  Jason Merrill  <jason@redhat.com>

        * dbgcnt.c (dbg_cnt_process_single_pair): constify.
        * opts.c (common_handle_option): constify.

2009-09-12  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (avr): Remove obsolete reference site.

2009-09-12  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Binaries): Adjust AIX link.

2009-09-12  Akim Demaille  <demaille@gostai.com>

        * doc/invoke.texi (-fstrict-aliasing): Correct two examples.
        Use an imperative sentence.

2009-09-11  Richard Henderson  <rth@redhat.com>

        * gsstruct.def (DEFGSSTRUCT): Remove printable-name argument; add
        structure-name and has-tree-operands arguments; update all entries.
        * gimple.def (DEFGSCODE): Replace 3rd argument with GSS_symbol;
        update all entries.
        * gimple.c (gimple_ops_offset_): Use HAS_TREE_OP argument.
        (gsstruct_code_size): New.
        (gss_for_code_): New.
        (gss_for_code): Remove.
        (gimple_size): Rewrite using gsstruct_code_size.
        (gimple_statement_structure): Move to gimple.h.
        * gimple.h (gimple_ops_offset_, gss_for_code_): Declare.
        (gss_for_code, gimple_statement_structure): New.
        (gimple_ops): Use new arrays; tidy.

2009-09-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config/pa/predicates.md (symbolic_operand): Require a CONST symbolic
        operand to be a PLUS expression.
        * config/pa/pa.c (pa_secondary_reload): Likewise.

2009-09-11  Jakub Jelinek  <jakub@redhat.com>

        * combine.c (propagate_for_debug_subst): Call wrap_constant on top.

        * print-rtl.c (print_rtx): Use JUMP_LABEL (in_rtx) instead of
        XEXP (in_rtx, 8).

2009-09-11  Bernd Schmidt  <bernd.schmidt@analog.com>

        From Jie Zhang <jie.zhang@analog.com>:
        * doc/extend.texi (node Function Attributes): Document l2
        function attribute.
        (node Blackfin Variable Attributes): Document l2 variable attributes.

2009-09-11  Loren J. Rittle  <ljrittle@acm.org>

        * config.gcc (*-*-freebsd*): Enable default_use_cxa_atexit
        to match the system compiler's configuration at inflection point.
        Add comment to remark a remaining difference with system compiler.

        * configure.ac (*-*-freebsd*): Enable check for __stack_chk_fail.
        * configure: Regenerate.

2009-09-11  Bernd Schmidt  <bernd.schmidt@analog.com>

        From Jie Zhang <jie.zhang@analog.com>:
        * config/bfin/bfin.c (bfin_expand_call): Handle L2 functions.
        (bfin_handle_l2_attribute): New.
        (bfin_attribute_table): Add l2 attribute.

2009-09-11  Michael Matz  <matz@suse.de>

        PR middle-end/41275
        * tree-inline.c (remap_decls): Don't put DECL_EXTERNAL decls
        on the local_decls list.

2009-09-11  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/41276
        PR debug/41307
        * cselib.c (cselib_expand_value_rtx_cb): Document callback
        interface.
        (cselib_expand_value_rtx_1): Use callback for SUBREGs.  Adjust
        for VALUEs, to implement the documented interface.
        * var-tracking.c (vt_expand_loc_callback): Handle SUBREGs.
        Adjust for VALUEs and anything else, to implement the
        documented interface.

2009-09-10  Nathan Froyd  <froydnj@codesourcery.com>

        * config/rs6000/rs6000.h (DATA_ALIGNMENT): Check that we are dealing
        with actual SPE/paired vector modes before using 64-bit alignment.
        Check that TYPE is a REAL_TYPE for TARGET_E500_DOUBLE.

2009-09-10  DJ Delorie  <dj@redhat.com>

        * config/mep/mep.md (eh_epilogue): Defer until after epilogue is
        emitted.

        * config/mep/mep.h (LEGITIMATE_CONSTANT_P): New.
        * config/mep/mep.c (mep_legitimate_constant_p): New.
        * config/mep/mep-protos.h: Prototype it.

2009-09-10  Richard Henderson  <rth@redhat.com>

        * print-rtl.c (print_rtx): Fix JUMP_LABEL index.

2009-09-10  Jason Merrill  <jason@redhat.com>

        * tree.c (chain_index): New fn.
        * tree.h: Declare it.

2009-09-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/sol2-c.c (cmn_err_length_specs): Initialize
        scalar_identity_flag.

2009-09-10  Richard Henderson  <rth@redhat.com>

        * tree.h (struct tree_decl_common): Move align member earlier;
        move label_decl_uid member ...
        (struct tree_label_decl): ... here.
        (LABEL_DECL_UID): Update to match.

        * tree-cfg.c (dump_function_to_file): Dump eh tree with TDF_EH,
        not TDF_DETAILS.

        * tree-cfg.c (gimple_redirect_edge_and_branch): Do
        gimple_try_redirect_by_replacing_jump test after no-op and EH tests.

        * tree-cfg.c (split_edge_bb_loc): Don't disallow placement at
        dest_prev if the edge is complex.

        * tree-cfg.c (is_ctrl_stmt): Use a switch.

        * tree-cfg.c (gimple_can_merge_blocks_p): Move label and
        loop latch tests earlier.

        * gimple-iterator.c (gimple_find_edge_insert_loc): Insert
        before GIMPLE_RETURN, not after its predecessor; insert
        before GIMPLE_RESX.

        * gimple-iterator.c (gimple_find_edge_insert_loc): Use
        gimple_seq_empty_p to test for no PHI nodes.
        * tree-cfg.c (split_critical_edges): Likewise.

        * c-common.h (c_dialect_cxx, c_dialect_objc): Boolify.

2009-09-10  Hariharan Sandanagobalane  <hariharan@picochip.com>

        * final.c (shorten_branches) : Ignore DEBUG_INSN_P instructions
        introduced by the VTA branch merge.

2009-09-10  Uros Bizjak  <ubizjak@gmail.com>

        * ira-conflicts.c: Use fputs or putc instead of fprintf
        where appropriate.
        * cfg.c: Ditto.
        * toplev.c: Ditto.
        * tree-switch-conversion.c: Ditto.

2009-09-10  Hariharan Sandanagobalane  <hariharan@picochip.com>

        * config/picochip/picochip.c : Ignore DEBUG_INSN_P instructions
        introduced by the VTA branch merge.

2009-09-10  Uros Bizjak  <ubizjak@gmail.com>

        Revert:
        2009-09-09  Uros Bizjak  <ubizjak@gmail.com>

        PR rtl-optimization/39779
        * expr.c (convert_modes): Return when mode == oldmode after
        CONST_INTs are processed.

2009-09-10  Nick Clifton  <nickc@redhat.com>

        * config/mep/mep.c (mep_encode_section_info): Copy weakness
        attribute and referring decl when creating renamed symbol.

2009-09-10  Richard Guenther  <rguenther@suse.de>

        PR middle-end/41257
        * cgraphunit.c (cgraph_emit_thunks): Emit thunks only for
        reachable nodes.
        (cgraph_finalize_compilation_unit): Compute reachability
        before emitting thunks.  Properly process aliases before
        possibly removing unreachable nodes.

2009-09-10  Richard Guenther  <rguenther@suse.de>

        PR middle-end/41254
        * tree.c (struct free_lang_data_d): Add worklist member.
        (find_decls_types_r): Push onto the worklist instead of recursing.
        Handle TREE_BINFOs properly.
        (find_decls_types): New function wrapped around find_decls_types_r
        to process the worklist.
        (find_decls_types_in_eh_region): Use it.
        (find_decls_types_in_node): Likewise.
        (find_decls_types_in_var): Likewise.
        (free_lang_data_in_cgraph): Likewise.  Free the worklist.
        * tree.h (RECORD_OR_UNION_TYPE_P): New.
        (AGGREGATE_TYPE_P): Adjust.

2009-09-09  Jason Merrill  <jason@redhat.com>

        * configure.ac: Check glibc version even if we have an in-tree
        assembler.

2009-09-09  Anthony Green  <green@moxielogic.com>

        * config/moxie/moxie.md (*movsi, *movhi, *movqi): Use xor to load
        the constant 0 when appropriate.
        * config/moxie/constraints.md: Add constraint O.

        * config/moxie/moxie.c (moxie_setup_incoming_varargs): Adjust
        to pass up to 6 32-bit argument values in registers.
        (moxie_function_arg): Ditto.
        (moxie_arg_partial_bytes): Ditto.