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

2007-07-21  Rafael Avila de Espindola  <espindola@google.com>

        * Makefile.in: Replace toplev.h with TOPLEV_H.
        * c-decl.c (merge_decls): Don't set DECL_IN_SYSTEM_HEADER.
        * c-lex.c (fe_file_change): Don't set in_system_header.
        * c-parser.c (c_token): Remove in_system_header.
        (c_lex_one_token): Don't set in_system_header.
        (c_parser_set_source_position_from_token): Don't set in_system_header.
        * diagnostic.c (diagnostic_report_diagnostic): Use location from
        diagnostic_info.
        (warning_at): New.
        * diagnostic.h (diagnostic_report_warnings_p): Add LOC argument.
        * flags.h (in_system_header): Remove.
        * function.c (saved_in_system_header): Remove.
        (push_cfun): Don't set in_system_header.
        (pop_cfun): Don't set in_system_header.
        (push_struct_function): Don't set in_system_header.
        * input.h (expanded_location): Add sysp.
        (in_system_header_at): New.
        (in_system_header): New.
        * toplev.c (in_system_header): Remove.
        * toplev.h: Include input.h
        (warning_at): New.
        * tree-cfg.c (execute_warn_function_return): Call warning_at.
        * tree-ssa.c (warn_uninit): Call warning_at.
        (warn_uninitialized_var): Update calls to warn_uninit.
        (warn_uninitialized_phi): Update calls to warn_uninit.
        * tree.c (make_node_stat): Don't set DECL_IN_SYSTEM_HEADER.
        (expand_location): Initialize xloc.sysp.
        * tree.h (DECL_IN_SYSTEM_HEADER): Use in_system_header_at.
        (tree_decl_with_vis): Remove in_system_header_flag.

2008-07-21  Andreas Krebbel  <krebbel1@de.ibm.com>

        PR target/36822
        * recog.c (asm_operand_ok): Change the order of the extra
        memory constraint checks.

2008-07-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR tree-opt/36879
        * tree-switch-conversion.c (build_one_array): Call
        varpool_mark_needed_node and varpool_finalize_decl 
        instead of assemble_variable.

2008-07-19  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_add_new_function): Do early local passes.
        * tree-nrv.c (gate_pass_return_slot): New gate.
        (pass_nrv): Add the gate.
        * tree-ssa-coalese.c (hash_ssa_name_by_var, eq_ssa_name_by_var): New
        functions.
        (coalesce_ssa_name): Coalesce SSA names.
        * tree-ssa-live.c (remove_unused_locals): Be more conservative when
        not optimizing so unused user vars remains visible.
        * common.opt (flag_tree_ter): Always enable by default.
        * tree-ssa-ter.c: Include flags.h
        (is_replaceable_p): Check that locations match; when aliasing is missing
        be conservative about loads.
        * tree-optimize.c (gate_init_datastructures): Remove.
        (pass_init_datastructures): New.
        * passes.c: Reorder passes so we always go into SSA.

2008-07-19  Jan Hubicka  <jh@suse.cz>

        * doc/extend.texi (flatten attribute): Remove note about unit-at-a-time
        * doc/invoke.texi (--combine): Likewise.
        (-finline-functions-called-once): Update levels when enabled.
        (-funit-at-a-time): Document new behaviour.
        (-ftoplevel-reorder): Document that it is enabled -O0 and imply
        -fno-section-anchors when disabled explicitly.
        (inline params): They are not ignored now.
        (precompiled headers): Remove unit-at-a-time as being incompatible.
        * opts.c (decode_options): Handle unit-at-a-time as alias;
        imply -fno-section-anchors when toplevel reorder is disabled
        explicitly.
        * common.opt (ftoplevel-reorder): Set default value to 2.
        (funit-at-a-time): Set default value to 1.
        * config/rs6000/rs6000.c (optimization_options): Set section anchors
        to 2.

2008-07-19  Jan Hubicka  <jh@suse.cz>

        * builtins.c (expand_builtin_int_roundingfn,
        expand_builtin_int_roundingfn_2): Do not take subtarget argument;
        it is not useful.

2008-07-19  Richard Guenther  <rguenther@suse.de>

        PR bootstrap/36864
        * tree-ssa-sccvn.h (get_constant_value_id): Declare.
        * tree-ssa-sccvn.c (get_constant_value_id): New function.
        * tree-ssa-pre.c (get_expr_value_id): For newly created
        constant value-ids make sure to add the expression to its
        expression-set.

2008-07-19  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/36877
        * omp-low.c (expand_omp_atomic_fetch_op): Make sure the
        return value of the builtin is ignored.

2008-07-19  Olivier Hainque  <hainque@adacore.com>

        * doc/tm.texi (MALLOC_ABI_ALIGNMENT): New macro. Alignment, in
        bits, a C conformant malloc implementation has to provide.
        * defaults.h (MALLOC_ABI_ALIGNMENT): Default to BITS_PER_WORD.

2008-07-19  Joseph Myers  <joseph@codesourcery.com>

        PR target/36780
        PR target/36827
        * reload.c (find_reloads_subreg_address): Only reload address if
        reloaded == 0, not for reloaded != 1.

        Revert:
        2008-07-16  Joseph Myers  <joseph@codesourcery.com>
        * config/m32c/m32c.c (BIG_FB_ADJ): Move definition earlier.
        (m32c_legitimate_address_p): Handle "++rii" addresses created by
        m32c_legitimize_reload_address.

        2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
        * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Allow
        (plus (plus (reg) (const_int)) (const_int)) when reload_in_progress.

2008-07-19  Olivier Hainque  <hainque@adacore.com>

        * dwarf2out.c (add_subscript_info): New explicit COLLAPSE_P
        argument, saying whether nested array are to be collapsed
        into a single array type DIE with multiple subscripts.
        (gen_array_type_die): Factorize comments about the MIPS_DEBUG_INFO
        issues, centralize the nested array types collapsing control and
        disable the transformation for Ada.
        
2008-07-18  Uros Bizjak  <ubizjak@gmail.com>

        PR target/36786
        * config/i386/i386.md (x86_64_shift_adj_1): Rename from
        x86_64_shift_adj.
        (x86_64_shift_adj_2): New expander.
        (x86_64_shift_adj_3): Ditto.
        * config/i386/i386.c (ix86_split_ashr): Use gen_x86_64_shift_adj_3
        to split TImode operands.
        (ix86_split_ashl): Use gen_x86_64_shift_adj_2 to split TImode operands.
        (ix86_split_lshr): Ditto.

2008-07-18  Kris Van Hees  <kris.van.hees@oracle.com>

        * c-common.c (c_stddef_cpp_builtins): Define __CHAR16_TYPE__
        and __CHAR32_TYPE__.
        * c-typeck.c (digest_init): Support char16_t and char32_t.
        (set_nonincremental_init_from_string): Idem.

2008-07-18  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/36859
        * builtins.c (std_gimplify_va_arg_expr): Limit alignment to
        PREFERRED_STACK_BOUNDARY.
        * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.

2008-07-18  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/36858
        * function.c (locate_and_pad_parm): Cap boundary earlier.

2008-07-17  Julian Brown  <julian@codesourcery.com>

        * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Make
        no-op for targets which don't use DLLs.

2008-07-17  Martin Jambor  <mjambor@suse.cz>

        * ipa-cp.c (ipcp_print_all_lattices): New variable info, check
        that nodes are relevant by examining the node->analyzed flag.
        (ipcp_init_stage): Check which nodes are relevant, assert that the
        relevant ones are also required.
        (ipcp_propagate_stage): Check on the side arrays are properly
        allocated.
        (ipcp_print_all_jump_functions): Make sure not to touch any node
        that is not analyzed or an edge that does not have a corresponding
        entry in the on-the-side vectors.
        (ipcp_function_scale_print): Likewise.
        (ipcp_update_callgraph): Check that the node is relevant.
        (ipcp_insert_stage): Check that the node is relevant.  Check there is
        an info for every node and edge.
        * ipa-prop.c (ipa_init_func_list): Check the nodes are relevant.
        (ipa_print_all_tree_maps): Likewise and a new variable info.
        (ipa_print_all_params_modified): Likewise.
        * ipa-prop.h (ipa_edge_args_info_available_for_edge_p): New function.

2008-07-17  Roman Zippel <zippel@linux-m68k.org>

        PR target/25343
        * config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for __mc68000__.

2008-07-17  Paolo Bonzini  <bonzini@gnu.org>

        PR rtl-optimization/36753
        * fwprop.c (use_killed_between): Don't shortcut
        single-definition global registers.

2008-07-16  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (varpool_empty_needed_queue): Declare.
        * cgraphunit.c (output_in_order): Mark all variables as needed;
        empty the queue.
        * varpool.c (varpool_assemble_node): Update debug queue.
        (varpool_assemble_pending_decls): Don't do it here.
        (varpool_empty_needed_queue):  New function.

2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * recog.c (peephole2_optimize): Fix formatting.

2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * c-pch.c (get_ident): Avoid C++ keywords.
        * combine-stack-adj.c (single_set_for_csa): Likewise.
        * final.c (asm_insn_count, final_scan_insn, alter_subreg,
        output_asm_insn): Likewise.
        * reload.c (push_secondary_reload, find_reusable_reload,
        push_reload, combine_reloads, find_reloads,
        debug_reload_to_stream): Likewise.
        * reload.h (struct reload): Likewise.
        * reload1.c (reload_reg_class_lower, find_reg, find_reload_regs,
        allocate_reload_reg, choose_reload_regs, emit_input_reload_insns,
        emit_output_reload_insns): Likewise.
        * targhooks.c (default_secondary_reload): Likewise.
        * varasm.c (section_entry_eq, object_block_entry_eq): Likewise.

2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * recog.c (validate_change_1, validate_change,
        validate_unshare_change, validate_replace_rtx_1, struct
        funny_match, constrain_operands, peephole2_optimize): Avoid C++
        keywords.
        * reload.c (push_secondary_reload, secondary_reload_class,
        scratch_reload_class, find_valid_class, find_reusable_reload,
        push_reload, find_dummy_reload, find_reloads_address_1,
        find_reloads_address_part, find_equiv_reg): Likewise.
        * reload1.c (spill_failure, eliminate_regs_1, allocate_reload_reg,
        choose_reload_regs): Likewise.
        * rtlanal.c (replace_rtx, nonzero_bits1, num_sign_bit_copies1):
        Likewise.
        * rtlhooks.c (gen_lowpart_if_possible): Likewise.
        * sched-ebb.c (add_deps_for_risky_insns): Likewise.
        * sched-rgn.c (concat_INSN_LIST): Likewise.
        * stor-layout.c (mode_for_size, mode_for_size_tree,
        smallest_mode_for_size): Likewise.

2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * cfg.c (dump_reg_info): Avoid C++ keywords.
        * dwarf2asm.c (dw2_force_const_mem,
        dw2_asm_output_encoded_addr_rtx): Likewise.
        * except.c (gen_eh_region, add_action_record, output_ttype): Likewise.
        * expmed.c (expand_shift): Likewise.
        * global.c (find_reg): Likewise.
        * graph.c (draw_edge): Likewise.
        * local-alloc.c (reg_meets_class_p, find_free_reg): Likewise.
        * optabs.c (expand_binop, expand_twoval_unop, expand_twoval_binop,
        widen_clz, widen_bswap, expand_parity, expand_unop,
        emit_cmp_and_jump_insn_1): Likewise.
        * postreload.c (reload_cse_simplify_operands): Likewise.
        * ra.h (add_neighbor): Likewise.
        * reg-stack.c (remove_regno_note, change_stack): Likewise.
        * regclass.c (memory_move_secondary_cost, dump_regclass, regclass,
        record_reg_classes, copy_cost, record_address_regs,
        invalid_mode_change_p): Likewise.
        * regrename.c (regrename_optimize, scan_rtx_reg,
        dump_def_use_chain, find_oldest_value_reg,
        replace_oldest_value_reg, copyprop_hardreg_forward_1): Likewise.

2008-07-16  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (processor_target_table): Remove duplicate
        MASK_POWERPC64 for power4 in previous commit.

2008-07-16  Olivier Hainque  <hainque@adacore.com>

        * collect2.c (scan_prog_file, COFF version): Use CONST_CAST
        instead of bare conversion to cast const-ness away.

2008-07-16  Anatoly Sokolov  <aesok@post.ru>

        * config/xtensa/xtensa.h (FUNCTION_OUTGOING_VALUE,
        XTENSA_FUNCTION_VALUE, XTENSA_FUNCTION_VALUE): Remove.
        * config/xtensa/xtensa.c (xtensa_function_value): New function.
        (TARGET_FUNCTION_VALUE): Define.

2008-07-16  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (processor_target_table): Add
        MASK_PPC_GPOPT for power4, power5, power5+, power6, and power6x.

2008-07-16  Joseph Myers  <joseph@codesourcery.com>

        PR target/36827
        * config/m32c/m32c.c (BIG_FB_ADJ): Move definition earlier.
        (m32c_legitimate_address_p): Handle "++rii" addresses created by
        m32c_legitimize_reload_address.

2007-07-16  Rafael Avila de Espindola  <espindola@google.com>

       * c-decl.c (merge_decls): Keep DECL_SOURCE_LOCATION and
       DECL_IN_SYSTEM_HEADER in sync.

2008-07-15  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-sccvn.c (expressions_equal_p): Check type equality.
        * tree-ssa-pre.c (pre_expr_eq): Ditto
        (get_constant_for_value_id): Take a type as an argument.
        (fully_constant_expression): Pass in type.
        (find_or_generate_expression): Short circuit constant case.
        (create_expression_by_pieces): Remove special casing of
        pointer_plus.
        (do_regular_insertion): Short circuit constant case.
        (do_partial_partial_insertion): Ditto.

2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/36782
        * config/sh/sh.md (symGOT_load): Don't add REG_EQUAL note.

2008-07-15  Bob Wilson  <bob.wilson@acm.org>
        
        * config/xtensa/libgcc-xtensa.ver: New file.
        * config/xtensa/t-linux (SHLIB_MAPFILES): Append libgcc-xtensa.ver.
        
2008-07-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * df-problems.c (df_set_note): Avoid C++ keywords.
        * df-scan.c (df_ref_change_reg_with_loc_1): Likewise.
        * dse.c (record_store, remove_useless_values): Likewise.
        * emit-rtl.c (gen_reg_rtx, update_reg_offset, gen_rtx_REG_offset,
        gen_reg_rtx_offset, operand_subword, change_address_1,
        change_address, adjust_address_1, offset_address,
        widen_memory_access, emit_copy_of_insn_after): Likewise.
        * explow.c (round_push, allocate_dynamic_stack_space): Likewise.
        * fwprop.c (should_replace_address, propagate_rtx_1,
        propagate_rtx, try_fwprop_subst, forward_propagate_and_simplify):
        Likewise.
        * gcse.c (cprop_jump, find_implicit_sets, bypass_block,
        gcse_emit_move_after, update_ld_motion_stores): Likewise.
        * lcm.c (compute_insert_delete, pre_edge_lcm,
        compute_rev_insert_delete, pre_edge_rev_lcm): Likewise.
        * lower-subreg.c (resolve_reg_notes): Likewise.
        * mode-switching.c (optimize_mode_switching): Likewise.

2008-07-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * bt-load.c (add_btr_def, migrate_btr_def,
        branch_target_load_optimize): Avoid C++ keywords.
        * caller-save.c (insert_restore, insert_save, insert_one_insn):
        Likewise.
        * combine.c (subst, simplify_set, make_extraction,
        make_compound_operation, known_cond, simplify_shift_const_1): Likewise.
        * cse.c (make_regs_eqv, merge_equiv_classes, validate_canon_reg,
        fold_rtx, equiv_constant, cse_insn, cse_process_notes_1): Likewise.

2008-07-15  Richard Guenther  <rguenther@suse.de>

        PR middle-end/36369
        * c-common.c (strict_aliasing_warning): Do not warn for
        TYPE_REF_CAN_ALIAS_ALL pointers.
        (c_common_get_alias_set): may_alias types are not special.
        * tree.c (build_pointer_type_for_mode): Look up the may_alias
        attribute and set can_ref_all accordingly.
        (build_reference_type_for_mode): Likewise.
        * doc/extend.texi (may_alias): Clarify.

2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/36780
        * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Allow
        (plus (plus (reg) (const_int)) (const_int)) when reload_in_progress.

2008-07-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR target/31568
        * config/rs6000/rs6000.c (print_operand <case 'y'>): Don't use
        gcc_assert, instead call output_operand_lossage.

2008-07-15  Kai Tietz  <kai.tietz@onevision.com>

        * builtins.c (std_canonical_va_list): Treat structure based
        va_list types.

2008-07-15  Ben Elliston  <bje@au.ibm.com>

        * emit-rtl.c (set_mem_attributes_minus_bitpos): Improve comment.

2007-07-14  Rafael Avila de Espindola  <espindola@google.com>

        * c-decl.c (diagnose_mismatched_decls): Don't warn if TREE_NO_WARNING
        is set.

2008-07-14  Jan Hubicka  <jh@suse.cz>

        * i386.md (sse5 cmov pattern): Update call of ix86_sse5_valid_op_p
        * sse.md (sse5 patterns): Update call of ix86_sse5_valid_op_p;
        fix predicates and constraints.
        * i386.c (ix86_sse5_valid_op_p): Add commutative parameter.
        * i386-protos.h (ix86_sse5_valid_op_p): Update declaration.

2008-07-14  Doug Kwan  <dougkwan@google.com>

        * config.gcc (arm*-*-eabi*): Include arm/eabi.h and use
        additional option file arm/eabi.opt.
        * config/arm/eabi.h (File): New configuration file for EABI targets.
        * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Add
        SUBSUBTARGET_EXTRA_SPECS.
        (SUBSUBTARGET_EXTRA_SPECS): Provide empty default.
        * config/arm/unknown-elf.h (UNKNOWN_ELF_STARTFILE_SPEC): Renamed
        from STARTFILE_SPEC so that it can be referenced in an override.
        (STARTFILE_SPEC): Use UNKNOWN_ELF_STARTFILE_SPEC.
        (UNKNOWN_ELF_ENDFILE_SPEC): Renamed from ENDFILE_SPEC so that it
        can be referenced in an override.
        (ENDFILE_SPEC): Use UNKNOWN_ELF_ENDFILE_SPEC.
        * config/arm/bpabi.h (BPABI_LINK_SPEC): Renamed from LINK_SPEC
        so that it can be referenced in an override.
        (LINK_SPEC): Use BPABI_LINK_SPEC.
        * config/arm/eabi.opt (File): New.

2008-07-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * Makefile.in (TARGET_DEF_H): Add targhooks.h.
        (FIXED_VALUE_H): New variable.
        (RTL_BASE_H): Use $(INPUT_H) and $(FIXED_VALUE_H) instead of
        input.h, fixed-value.h.
        (TREE_H): Use $(INPUT_H), add $(SYMTAB_H).
        (BASIC_BLOCK_H): Use $(BITMAP_H).
        (FUNCTION_H): Add varray.h.
        (IPA_REFERENCE_H): Use $(BITMAP_H).
        (CGRAPH_H): Add $(BASIC_BLOCK_H).
        (DF_H): Use $(BITMAP_H).
        (GGC_H): Add statistics.h.
        (INSN_ADDR_H): New.
        (INSN_ATTR_H): Use it.
        (SYSTEM_H): Add safe-ctype.h, filenames.h.
        (INPUT_H): New.
        (SYMTAB_H): Add $(OBSTACK_H).
        (CPP_INTERNAL_H): New.
        (TREE_DUMP_H): Add tree-pass.h.
        (TREE_FLOW_H): Use $(BITMAP_H)
        (PRETTY_PRINT_H): Use $(INPUT_H).
        (EBITMAP_H): Rename from typo-ed EBIMAP_H.
        (GSTAB_H): New.
        (BITMAP_H): New.
        (many object files): Fix lots of header dependencies throughout.

2008-07-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * Makefile.in (write_entries_to_file, write_entries_to_file_split):
        New macros.
        (s-gtyp-input): Use them to write tmp-gi.list.
        (echo_to_gi.list): Remove.

2008-07-14  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.c (pre_info): Remove.
        (switch_to_PRE_table): Likewise.
        (free_scc_vn): Do not clear SSA_NAME_VALUE.  Do not free pre_info.
        (set_hashtable_value_ids): Do not create value-ids for the
        optimistic tables.
        (run_scc_vn): Remove double test.  Remove bogus special-case
        in value-number printing.
        * tree-ssa-sccvn.h (switch_to_PRE_table): Remove.
        * tree-ssa-ccp.c (get_symbol_constant_value): Do not look at
        SSA_NAME_VALUE.
        * tree-flow-inline.h (get_value_handle): Remove.
        * tree-flow.h (get_value_handle): Remove.

2008-07-14  Martin Jambor  <mjambor@suse.cz>

        * tree-switch-conversion.c (gen_inbound_check): Make sure the type
        in which we generate arithmetics is not a subrange.

2008-07-14  Martin Jambor  <mjambor@suse.cz>

        * Makefile.in (IPA_PROP_H): Added ipa-prop.h to IPA_PROP_H variable.

2008-07-14  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-pre.c (insert_into_preds_of_block): Do not call convert.

2008-07-14  Andreas Krebbel  <krebbel1@de.ibm.com>

        PR target/36745
        * config/s390/s390.c: (s390_secondary_reload): Add a secondary
        reload for symbol refs moved to r0 with -fPIC.
        (legitimize_pic_address): Use the target register as temporary
        reg if possible.
        (emit_symbolic_move): Adjust comment.
        * config/s390/s390.md (reloadsi_PIC_addr, reloaddi_PIC_addr):
        New expanders.

2008-07-14  Ben Elliston  <bje@au.ibm.com>

        * c-common.h (C_CPP_HASHNODE): New macro.
        * coretypes.h (struct cpp_token): Forward declare.
        * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
        the context-sensitive keyword method.
        * config/rs6000/rs6000-c.c (__vector_keyword, vector_keyword,
        __pixel_keyword, pixel_keyword, __bool_keyword, bool_keyword,
        expand_bool_pixel): New.
        (altivec_categorize_keyword): New function.
        (init_vector_keywords): New function.
        (rs6000_macro_to_expand): Likewise.
        (rs6000_cpu_cpp_builtins): Enable context-sensitive macros if not
        compiling an ISO C dialect.

2008-07-13  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-pre.c (fully_constant_expression): Add fold_convert calls.
        (create_expression_by_pieces): Fix typo.
        (do_regular_insertion): Use debug counter here too.

2008-07-14  Hans-Peter Nilsson  <hp@axis.com>

        PR target/35492.
        * config/cris/cris.h (CRIS_CONST_OK_FOR_LETTER_P): Renamed from
        CONST_OK_FOR_LETTER_P.  All port-local users changed.
        (CONST_OK_FOR_CONSTRAINT_P): Define; implement Kc as old K,
        implement Kp matching power-of-two.
        (CONSTRAINT_LEN): Define to match.
        * config/cris/cris.md: Replace all use of constraint K with Kc.
        ("*btst*): Use Kp for operand 0 of last alternative.

2008-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR testsuite/36440
        * tree-call-cdce.c (check_target_format): Accept MIPS single, double
        and quad formats.

2008-07-13  Jan Hubicka  <jh@suse.cz>

        * tree.c (decl_assembler_name_equal): Expect assembler name of decl
        to be mangled too.

2008-07-13  Richard Guenther  <rguenther@suse.de>

        PR middle-end/36811
        * langhooks.c (lhd_print_error_function): Deal with recursive
        BLOCK trees.

2008-07-12  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (assembler_name_hash): New static var.
        (hash_node_by_assembler_name, eq_assembler_name): New.
        (cgraph_node_for_asm): Use hashtable.
        (cgraph_remove_node): Maintain hashtable.
        (change_decl_assembler_name): Sanity check that names are not changing
        after aliasing was processed.
        * cgraph.h (varpoon_node): Add next GGC marker.
        * tree.c (decl_assembler_name_equal): Constify.
        (decl_assembler_name_hash): New.
        * tree.h (decl_assembler_name_equal): Constify.
        (decl_assembler_name_hash): Update.

2008-07-12  David Daney  <ddaney@avtrex.com>

        * config/mips/driver-native.c (host_detect_local_cpu): Handle
        sb1 and r5000 cpus.

2008-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * doc/md.texi: Document the MIPS "v" constraint.
        * config/mips/mips.h (reg_class): Revert last change.
        (REG_CLASS_NAMES): Likewise.
        (REG_CLASS_CONTENTS): Likewise.
        * config/mips/mips.c (mips_regno_to_class): Likewise.
        * config/mips/constraints.md (v): Likewise, but add documentation.
        Add a comment to say that this constraint should not be used in
        gcc code.

2008-07-11  DJ Delorie  <dj@redhat.com>

        * config/h8300/h8300.md (length): Fix branch offset limit.

2008-07-11  Anatoly Sokolov  <aesok@post.ru>    

        * config/avr/avr-protos.h (avr_peep2_scratch_safe): Remove prototype.
        * config/avr/avr.c (avr_peep2_scratch_safe): Remove.
        (avr_hard_regno_scratch_ok): New function.
        (TARGET_HARD_REGNO_SCRATCH_OK): Define.
        * config/avr/avr.md (all peepholes that request a scratch register):
        Remove avr_peep2_scratch_safe use.

2008-07-11  Tom Tromey  <tromey@redhat.com>
            Ian Lance Taylor  <iant@google.com>

        * c-common.h (enum rid): Add RID_CXX_COMPAT_WARN.
        (struct c_common_resword): Define.
        (D_CONLY, D_CXXONLY, D_C99, D_CXX0X, D_EXT, D_EXT89): Define.
        (D_ASM, D_OBJC, D_CXX_OBJC, D_CXXWARN): Define.
        (c_common_reswords, num_c_common_reswords): Declare.
        * c-common.c (c_common_reswords): New global const array.
        (num_c_common_reswords): New const int.
        * c-parser.c (struct resword, reswords): Don't define.
        (D_C89, D_EXT, D_EXT89, D_OBJC): Don't define.
        (c_parse_init): Clarify mask code.  Use c_common_reswords rather
        than reswords.  If warning about C++ keywords, give them a special
        RID code.
        (c_lex_one_token): Warn about C++ keywords.  Call
        objc_is_reserved_word rather than OBJC_IS_AT_KEYWORD.
        (c_parser_external_declaration): Look for RID_xxx rather than
        RID_AT_xxx, for ObjC++ keywords which are also C++ keywords.
        (c_parser_statement_after_labels): Likewise.
        (c_parser_objc_class_instance_variables): Likewise.
        (c_parser_objc_class_declaration): Likewise.
        (c_parser_objc_try_catch_statement): Likewise.
        * c-decl.c (c_print_identifier): Ignore RID_CXX_COMPAT_WARN.
        (declspecs_add_type): Likewise.

2008-07-11  Angelo Graziosi  <angelo.graziosi@alice.it>

        * ggc-page.c (alloc_page):
        Substituting xmalloc, xcalloc with
        XNEWVEC and XCNEWVAR macros which add the
        needed casts.

2008-07-11  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36765
        * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
        aliases from HEAP vars to SMTs.

2008-07-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * Makefile.in (LOOSE_WARN, STRICT_WARN): Update comments.
        * configure.ac (loose_warn): Move -Wc++-compat from here...
        (strict_warn): ...to here.
        * configure: Regenerate.

2008-07-10  Joseph Myers  <joseph@codesourcery.com>

        * config.gcc (arm-*-coff*, armel-*-coff*, h8300-*-*,
        i[34567]86-*-aout*, i[34567]86-*-coff*, m68k-*-aout*,
        m68k-*-coff*, sh-*-*, mips-sgi-irix[56]*, pdp11-*-bsd,
        rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Deprecate targets,
        excluding more specific h8300-*-* and sh-*-* targets.

2008-07-10  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-pre.c (create_expression_by_pieces): Add fold_convert calls.
        (eliminate): Ditto.
        (execute_pre): Call loop_optimizer_finalize in early exit.

2008-07-10  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/36790
        * omp-low.c (lower_omp_2): If task_shared_vars, test all DECL_P
        uids in the bitmap, not just VAR_DECL uids.

        PR rtl-optimization/36419
        * combine-stack-adj.c (adjust_frame_related_expr): New function.
        (combine_stack_adjustments_for_block): Call it if needed.  Delete
        correct insn.
        * dwarf2out.c (dwarf2out_frame_debug_expr): Adjust
        DW_CFA_GNU_args_size if CSA pass merged some adjustments into
        prologue sp adjustment.

2008-07-10  Peter Maydell  <pmaydell@chiark.greenend.org.uk>

        PR other/28322
        * opts.c (print_ignored_options): Report postponed diagnostics for
        unknown -Wno-* options as warnings, not errors.
        (postpone_unknown_option_error): Renamed to...
        (postpone_unknown_option_warning): ... this.

2008-07-09  Doug Kwan  <dougkwan@google.com>

        Revert:
        2008-07-08  Doug Kwan  <dougkwan@google.com>

        * config/arm/arm.opt (mandroid): New option.
        * config/arm/bpabi.h (ANDROID_LINK_SPEC): New macro.
        (LINK_SPEC): Enable Android specific behaviour when -mandroid is used.
        (CC1_SPEC): Same.
        (CC1PLUS_SPEC): Same.
        (LIB_SPEC): Same.
        (STARTFILE_SPEC): Same.
        (ENDFILE_SPEC): Same.
        (TARGET_BPABI_CPP_BUILTINS): Define __ANDROID__ when -mandroid is
        used.

2008-07-09  Richard Sandiford  <rdsandiford@googlemail.com>

        PR target/35802
        * config/mips/mips.h (reg_class): Remove V1_REG.
        (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
        * config/mips/mips.c (mips_regno_to_class): Map $3 to M16_NA_REGS
        instead of V1_REGS.
        (mips_get_tp): New function.
        (mips_legitimize_tls_address): Use it.
        * config/mips/constraints.md (v): Delete.
        * config/mips/mips.md (TLS_GET_TP_REGNUM): New constant.
        (tls_get_tp_<mode>): Allow any GPR destination and clobber $3.
        After reload, split into a move and ...
        (*tls_get_tp_<mode>_split): ...this new instruction.

2008-07-09  David Daney  <ddaney@avtrex.com>

        * config/mips/driver-native.c: Include coretypes.h and tm.h.

2008-07-09  Jakub Jelinek  <jakub@redhat.com>

        * gimplify.c (struct gimplify_ctx): Move to tree-gimple.h.
        (push_gimplify_context): Don't allocate temp_htab nor c itself here.
        Add c argument.
        (pop_gimplify_context): Check c->temp_htab instead of optimize whether
        htab_delete should be called.  Don't free c.
        (lookup_tmp_var): Create temp_htab lazily.
        (gimplify_scan_omp_clauses, gimplify_omp_parallel, gimplify_omp_task,
        gimplify_body, force_gimple_operand): Adjust push_gimplify_context
        callers.
        * omp-low.c (lower_omp_sections, lower_omp_single, lower_omp_master,
        lower_omp_ordered, lower_omp_critical, lower_omp_for,
        create_task_copyfn, lower_omp_taskreg, execute_lower_omp): 
        * tree-ssa-ccp.c (convert_to_gimple_builtin): Likewise.
        * tree-sra.c (generate_element_init): Likewise.
        * tree-mudflap.c (execute_mudflap_function_ops,
        execute_mudflap_function_decls): Likewise.
        * tree-inline.c (setup_one_parameter, optimize_inline_calls): Likewise.
        * tree-gimple.h (struct gimplify_ctx): New type.
        (push_gimplify_context): Adjust prototype.

2008-07-09  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-pre.c (phi_translate_1): Update placement of
        add_to_value calls.

2008-07-09  Anatoly Sokolov  <aesok@post.ru>

        * target.h (struct gcc_target): Add hard_regno_scratch_ok field.
        * target-def.h (TARGET_HARD_REGNO_SCRATCH_OK): New.
        (TARGET_INITIALIZER): Use TARGET_HARD_REGNO_SCRATCH_OK.
        * targhooks.c (default_hard_regno_scratch_ok): New function.
        * targhooks.h (default_hard_regno_scratch_ok): Declare function.
        * doc/tm.texi: Document TARGET_HARD_REGNO_SCRATCH_OK hook.
        * recog.c:  Include "target.h".
        (peep2_find_free_register): Add check for global regs. Add target
        specific check.
        * Makefile.in (recog.o): Depend on target.h.

2008-07-09  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_canonical_va_list_type): New.
        (TARGET_CANONICAL_VA_LIST_TYPE): Define.

2008-07-09  Raksit Ashok <raksit@google.com>

        * doc/invoke.texi (Option Summary): Mention new option
        -Wdisallowed-function-list=...
        (Warning Options): Document -Wdisallowed-function-list=...
        * common.opt (Wdisallowed-function-list=): New flag.
        * flags.h (warn_disallowed_functions): External definition of new
        boolean warning flag.
        (warn_if_disallowed_function_p): Declare new function.
        * opts.c (warning_disallowed_functions): New static variable.
        (warn_disallowed_functions): New boolean warning flag.
        (warn_if_disallowed_function_p): New function.
        (add_comma_separated_to_vector): Rename
        add_instrument_functions_exclude_list to this.
        (common_handle_option): Handle new option. Rename calls to
        add_instrument_functions_exclude_list into calls to
        add_comma_separated_to_vector.
        * c-parser.c (c_parser_postfix_expression_after_primary): New warning
        based on flag warn_disallowed_functions.

2008-07-09  Christian Bruel  <christian.bruel@st.com>

        * final.c (get_attr_length_1): Call get_attr_length_1 with fallback_fn
         instead of get_attr_length.

2008-07-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * genattrtab.c (insert_right_side, evaluate_eq_attr): Avoid C++
        keywords.
        * genemit.c (gen_insn): Likewise.
        * gengtype.c (note_def_vec): Likewise.
        * gengtype.h (note_def_vec): Likewise.
        * genoutput.c (struct data, output_insn_data, process_template,
        gen_expand, gen_split, note_constraint): Likewise.
        * genrecog.c (new_decision, add_to_sequence, factor_tests,
        make_insn_sequence): Likewise.
        * gensupport.c (record_insn_name): Likewise.

2008-07-08  Doug Kwan  <dougkwan@google.com>

        * config/arm/arm.opt (mandroid): New option.
        * config/arm/bpabi.h (ANDROID_LINK_SPEC): New macro.
        (LINK_SPEC): Enable Android specific behaviour when -mandroid is used.
        (CC1_SPEC): Same.
        (CC1PLUS_SPEC): Same.
        (LIB_SPEC): Same.
        (STARTFILE_SPEC): Same.
        (ENDFILE_SPEC): Same.
        (TARGET_BPABI_CPP_BUILTINS): Define __ANDROID__ when -mandroid is
        used.

2008-07-08  Raksit Ashok  <raksit@google.com>

        * expr.c (emit_block_move_via_movmem): Fix expected_align parameter.
        (set_storage_via_setmem): Fix expected_align parameter.
        * doc/invoke.texi (i386 and x86-64 Options): Add a couple of options
        missing from the list.
        * doc/md.texi (movmem): Explicitly state that expected alignment is
        to be expressed in bytes.
        (setmem): Explicitly state that expected alignment is to be expressed
        in bytes.

2008-07-08  Joseph Myers  <joseph@codesourcery.com>

        * reload.c (find_reloads_subreg_address): Do not require validity
        of address in original mode before reloading address.

2008-07-07  Tianwei Sheng  <tianweis@google.com>

        * df-core.c (df_remove_problem): Adjust the access to avoid out of
        bounds array access.

2008-07-08  Jakub Jelinek  <jakub@redhat.com>

        * tree-sra.c (sra_build_assignment): Handle CONVERT_EXPR_P dst.

2008-07-05  Daniel Berlin  <dberlin@dberlin.org>
        
        Fix PR tree-optimization/23455
        Fix PR tree-optimization/35286
        Fix PR tree-optimization/35287
        * Makefile.in (OBJS-common): Remove tree-vn.o.
        (tree-vn.o): Remove.
        * dbgcnt.def: Add treepre_insert debug counter.
        * gcc/tree-flow.h (add_to_value): Updated for other changes.
        (debug_value_expressions): Ditto.
        (print_value_expressions): Ditto.
        * tree-pretty-print.c (dump_generic_node): Updated for
        VALUE_HANDLE removal.
        * tree-ssa-dom.c (record_equality): Ditto.
        (cprop_operand): Ditto.
        (lookup_avail_expr): Ditto.
        * tree-ssa-threadedge.c
        (record_temporary_equivalences_from_stmts_at_dest): Ditto.
        (simplify_control_stmt_condition): Ditto.
        * tree.c (tree_code_size): Ditto.
        (tree_node_structure): Ditto.
        (iterative_hash_expr): Ditto.
        * tree.def: Ditto.
        * tree.h (VALUE_HANDLE_ID): Ditto.
        (VALUE_HANDLE_EXPR_SET): Ditto.
        (struct tree_value_handle): Ditto.
        (union tree_node): Ditto.
        * treestruct.def: Ditto.
        * tree-vn.c: Removed.
        * tree-ssa-pre.c: Rewritten entirely.
        * tree-ssa-sccvn.c (constant_to_value_id): New hashtable.
        (constant_value_ids): Ditto.
        (vn_nary_op_t): Moved to header.
        (vn_phi_t): Ditto.
        (vn_reference_op_t): Ditto
        (vn_reference_t): Ditto.
        (next_value_id): New variable.
        (VN_INFO): Add an assert.
        (vn_constant_eq): New function.
        (vn_constant_hash): Ditto.
        (get_or_alloc_constant_value_id): Ditto.
        (value_id_constant_p): Ditto.
        (vn_reference_compute_hash): De-staticify.
        (copy_reference_ops_from_ref): Don't use get_callee_fndecl.
        Disable some code with a FIXME.  Remove VALUE_HANDLE use.
        (valueize_refs): Update opcode if it changes from ssa name to constant.
        (vn_reference_lookup_1): Add new argument.
        (vn_reference_lookup):  Ditto.
        (vn_reference_lookup_pieces): New function.
        (vn_reference_insert): Add return type. Modify to deal with value ids.
        (vn_reference_insert_pieces):  New function.
        (vn_nary_op_compute_hash): De-staticify.
        (vn_nary_op_eq): Ditto.
        (vn_nary_op_lookup_pieces): New function.
        (vn_nary_op_lookup): Add new argument.  
        (vn_nary_op_insert_pieces): New function.
        (vn_nary_op_insert): Add return type. Modify to deal with value ids.
        (vn_phi_insert): Ditto.
        (visit_unary_op): Update for callee changes.
        (visit_binary_op): Ditto.
        (visit_reference_op_load): Ditto.
        (visit_reference_op_store): Ditto.
        (init_scc_vn): Init next_value_id, constant_to_value_id and
        constant_value_ids. 
        (free_scc_vn): Free them.
        (set_hashtable_value_ids): New function.
        (run_scc_vn): Use it.
        (get_max_value_id): New function.
        (get_next_value_id): Ditto.
        (expressions_equal_p): Moved from tree-vn.c
        (sort_vuses): Ditto.
        (sort_vuses_heap): Ditto.
        * tree-ssa-sccvn.h: Structures moved from tree-ssa-sccvn.c (noted
        above).
        * tree.c (iterative_hash_hashval_t): Made non-static
        * tree.h (iterative_hash_hashval_t): Declare it.
        
2008-07-08  Martin Jambor  <mjambor@suse.cz>

        * ipa-cp.c (ipcp_init_cloned_node): Call ipa_check_create_node_params
        instead of ipa_create_node_params.
        (ipcp_driver): Allocate infos with ipa_check_create_node_params and
        ipa_check_create_edge_args, free them with
        free_all_ipa_structures_after_ipa_cp, call ipa_register_cgraph_hooks.

        * ipa-prop.c: Include flags.h and tree-inline.h.
        (ipa_node_params_vector): New variable.
        (ipa_edge_args_vector): New variable.
        (edge_removal_hook_holder): New variable.
        (node_removal_hook_holder): New variable.
        (edge_duplication_hook_holder): New variable.
        (node_duplication_hook_holder): New variable.
        (ipa_detect_param_modifications): Check for presence of modified flags.
        (ipa_compute_jump_functions): Check for presence of jump functions.
        (ipa_free_edge_args_substructures): New function.
        (ipa_create_node_params): Removed.
        (ipa_free_all_edge_args): Changed to deallocate the on-the-side vector.
        (ipa_free_node_params_substructures): New function.
        (ipa_free_all_node_params): Changed to deallocate the on-the-side
        vector.
        (ipa_edge_removal_hook): New function.
        (ipa_node_removal_hook): New function.
        (duplicate_array): New function.
        (ipa_edge_duplication_hook): New function.
        (ipa_node_duplication_hook): New function.
        (ipa_register_cgraph_hooks): New function.
        (ipa_unregister_cgraph_hooks): New function.
        (free_all_ipa_structures_after_ipa_cp): New function.
        
        * ipa-prop.h: Include vec.h.
        (ipa_node_params_t): New typedef with vector types for it.
        (ipa_edge_args_t):  New typedef with vector types for it.
        (IPA_NODE_REF): Changed to access an on-the-side vector.
        (IPA_EDGE_REF): Changed to access an on-the-side vector.
        (ipa_check_create_node_params): New function.
        (ipa_check_create_edge_args): New function.
        
        * Makefile.in (IPA_PROP_H): New variable for ipa-prop.h.  Converted
        all users.
        
2008-07-07  Tom Tromey  <tromey@redhat.com>

        * configure, config.in: Rebuilt.
        * configure.ac: Don't check for scandir or alphasort.

2008-07-07  Joseph Myers  <joseph@codesourcery.com>

        * config/arm/arm.c (arm_init_neon_builtins): Register built-in
        types immediately after creating them.

2008-07-07  Joseph Myers  <joseph@codesourcery.com>

        * config/arm/aout.h (DOLLARS_IN_IDENTIFIERS): Remove.

2008-07-07  Fernando Pereira <fernando@cs.ucla.edu>

        * tree-ssa-structalias.c (compute_points_to_sets): Add call to
        dump_constraint_graph.
        (dump_constraint_edge): New function.
        (dump_constraint_graph): New function.
        (debug_constraint_graph): New function.
        (dump_constraint): Removed useless comparison.
        * tree-ssa-structalias.h (dump_constraint_edge): Declare.
        (dump_constraint_graph): Declare.
        (debug_constraint_graph): Declare.
        * tree-dump.c (struct dump_option_value_info): Declare TDF_GRAPH.

2008-07-07  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/i386.c (is_va_list_char_pointer): New.
        (ix86_va_start): Replace compare with ms_va_list_type_node
        by is_va_list_char_pointer.
        (ix86_gimplify_va_arg): Likewise.

2008-07-07  Martin Jambor  <mjambor@suse.cz>

        * cgraph.c (cgraph_edge_max_uid): New variable.
        (struct cgraph_edge_hook_list): New type.
        (struct cgraph_node_hook_list): New type.
        (struct cgraph_2edge_hook_list): New type.
        (struct cgraph_2node_hook_list): New type.
        (first_cgraph_edge_removal_hook): New variable.
        (first_cgraph_node_removal_hook): New variable.
        (first_cgraph_edge_duplicated_hook): New variable.
        (first_cgraph_node_duplicated_hook): New variable.
        (cgraph_add_edge_removal_hook): New function.
        (cgraph_remove_edge_removal_hook): New function.
        (cgraph_call_edge_removal_hooks):  New function.
        (cgraph_add_node_removal_hook):  New function.
        (cgraph_remove_node_removal_hook):  New function.
        (cgraph_call_node_removal_hooks):  New function.
        (cgraph_add_edge_duplication_hook):  New function.
        (cgraph_remove_edge_duplication_hook):  New function.
        (cgraph_call_edge_duplication_hooks):  New function.
        (cgraph_add_node_duplication_hook):  New function.
        (cgraph_remove_node_duplication_hook):  New function.
        (cgraph_call_node_duplication_hooks):  New function.
        (cgraph_create_edge): Assign to edge uid.
        (cgraph_remove_edge): Call edge removal hooks.
        (cgraph_node_remove_callees): Call edge removal hooks.
        (cgraph_node_remove_callers): Call edge removal hooks.
        (cgraph_remove_node): Call node removal hooks.
        (cgraph_clone_edge): Call edge duplication hooks.
        (cgraph_clone_node): Call node duplication hooks.

        * cgraph.h (cgraph_edge): New field uid.
        (cgraph_edge_hook): New type.
        (cgraph_node_hook): New type.
        (cgraph_2edge_hook): New type.
        (cgraph_2node_hook): New type.

2008-07-07  Andreas Tobler  <a.tobler@schweiz.org>

        * config.in: Regenerate.

2008-07-07  Vladimir Prus  <vladimir@codesourcery.com>

        * gcc.c (print_sysroot): New.
        (option_map, display_help, process_command): Handle the
        -print-sysroot option.
        (main): Print the sysroot if requested.
        * doc/invoke.texi (Debugging Options): Document -print-sysroot.
        
2008-07-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR target/34780
        * unwind-pe.h (size_of_encoded_value): add attribute unused.

2008-07-07  Daniel Jacobowitz  <dan@codesourcery.com>

        * function.c (assign_parm_remove_parallels): Check mode of entry_parm.
        (assign_parm_setup_block_p): Also check mode of entry_parm.

2008-07-07  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.h (set_used_smts): Remove.
        * tree-ssa-structalias.c (used_smts): Likewise.
        (set_used_smts): Likewise.
        * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Remove
        call to set_used_smts.

2008-07-07  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (struct variable_info): Add is_full_var flag.
        (new_var_info): Set it to false.
        (solution_set_add): Correctly handle pointers outside a var and
        inside a field.
        (type_safe): Treat variables with is_full_var properly.
        (do_sd_constraint): Likewise.
        (do_ds_constraint): Likewise.
        (process_constraint): Remove zeroing offset for !use_field_sensitive.
        (get_constraint_for_ptr_offset): New function.
        (get_constraint_for_component_ref): For addresses at least include
        the last field of the variable.  Handle is_full_vars properly.
        (get_constraint_for_1): Factor common code, handle POINTER_PLUS_EXPR.
        (handle_ptr_arith): Remove.
        (find_func_aliases): Simplify assignment handling.
        (create_function_info_for): For parameter and result varinfos set
        is_full_var flag.
        (create_variable_info_for): Set is_full_var flag whenever we
        just created a single varinfo for a decl.
        (init_alias_vars): Initialize use_field_sensitive from
        max-fields-for-field-sensitive parameter.

2008-07-07  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36713
        * tree-flow-inline.h (is_call_used): New function.
        * tree-nrv.c (dest_safe_for_nrv_p): Use it.
        * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
        * tree-outof-ssa.c (create_temp): Set call-used flag if required.

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

        * config/m68k/m68k.c (m68k_return_in_memory): Fix arguments types.
        
2008-07-07  Mark Shinwell  <shinwell@codesourcery.com>

        * config/m68k/lb1sf68.asm: Add PIC macros for Linux targets.

2008-07-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
            Nathan Sidwell  <nathan@codesourcery.com>

        * config.gcc (m68k-*-linux*): Add with_arch.  Add sysroot-suffix.h
        to tm_file.  Add m68k/t-floatlib, m68k/t-linux & m68k/t-mlibs to
        tmake_file.
        * config/m68k/t-linux: New.
        * doc/install.texi: Document m68k-*-linux is now multilibbed by
        default.

2008-07-07  Nathan Sidwell  <nathan@codesourcery.com>

        * config/m68k/t-cf (MULTILIB_EXTRA_OPTS): Add no-mac.
        * config/m68k/m68k-devices.def: Remove multilibs that only differ
        by MAC/EMAC.

2008-07-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * gcc.c (execute): Fix -Wc++-compat warning.

2008-07-06  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/36720
        * config/ia64/ia64.c (ia64_split_tmode): Fix typo in TImode
        constant for little endian.

2008-07-06  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Check
        mips_base_mips16 instead of TARGET_MIPS16.
        (mips_base_mips16): Declare.
        * config/mips/mips.c (mips_base_mips16): Make global.
        (was_mips16_p): Remove GTY marker.
        (was_mips16_pch_p): New variable.
        (mips_set_mips16_mode): Check both was_mips16_p and was_mips16_pch_p.
        (mips_override_options): Force to non-MIPS16 mode initially.
        Do not complain about MIPS16 PIC incompatibilities here.
        Only allow -mgpopt if -mexplicit-relocs is in force for
        non-MIPS16 code.

2008-07-06  Andreas Tobler  <a.tobler@schweiz.org>

        * configure.ac: Check for caddr_t, define to char * if not defined.
        * configure: Regenerate.
        * ggc-common.c (mmap_gt_pch_get_address): Fix -Wc++-compat warnings.
        (mmap_gt_pch_use_address): Likewise.
        * config/host-solaris.c (sol_gt_pch_use_address): Likewise.

2008-07-06  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (struct variable_info): Remove has_union.
        (new_var_info): Deal with it.
        (solution_set_add): Likewise.
        (bitpos_of_field): Make signed, fix.
        (struct fieldoff): Remove type and decl fields.  Make size field
        unsigned HOST_WIDE_INT.  Add has_unknown_size and may_have_pointers
        flags.
        (fieldoff_compare): Deal with it.
        (push_fields_onto_fieldstack): Remove has_union argument, glob
        adjacent non-pointer fields together.
        (create_function_info_for): Do not set has_union.
        (create_variable_info_for): Simplify.

2008-07-06  Kai Tietz  <kai.tietz@onevision.com>

        * config.gcc (extra_headers): Add cross-stdarg.h for target
        x86_64-*-* and i?86-*-*.
        * config/i386/cross-stdarg.h: New.
        * builtins.c (std_fn_abi_va_list): New.
        (std_canonical_va_list_type): New.
        (stabilize_va_list): Replace va_list_type_node use by
        mtarget.canonical_va_list_type.
        (gimplify_va_arg_expr): Likewise.
        (expand_builtin_va_copy): Replace va_list_type_node use by
        mtarget.fn_abi_va_list.
        * tree-sra.c (is_va_list_type): New helper.
        (decl_can_be_decomposed_p): Replace
        va_list_type_node use by is_va_list_type.
        * tree-ssa-ccp.c (optimize_stdarg_builtin): Likewise.
        * tree-stdarg.c (execute_optimize_stdarg): Likewise.
        * c-common.c (c_common_nodes_and_builtins): Use TARGET_ENUM_VA_LIST.
        * config/i386/i386-protos.h (ix86_get_valist_type): New.
        (ix86_enum_va_list): New.
        * config/i386/i386.c (sysv_va_list_type_node): New.
        (ms_va_list_type_node): New.
        (ix86_function_type_abi): Remove sorry.
        (ix86_build_builtin_va_list_abi): New.
        (ix86_build_builtin_va_list): Call ix86_build_builtin_va_list_abi
        for 64-bit targets.
        (ix86_va_start): Replace va_list_type_node by sysv_va_list_type_node.
        (ix86_init_builtins_va_builtins_abi): New.
        (ix86_init_builtins): Use ix86_init_builtins_va_builtins_abi
        for 64-bit targets.
        (ix86_handle_abi_attribute): New.
        (attribute_spec): Add sysv_abi and ms_abi.
        (ix86_fn_abi_va_list): New.
        (ix86_canonical_va_list_type): New.
        (ix86_enum_va_list): New.
        (TARGET_FN_ABI_VA_LIST): New.
        (TARGET_CANONICAL_VA_LIST_TYPE): New.
        * config/i386/i386.h (TARGET_ENUM_VA_LIST): New.
        * doc/tm.texi (TARGET_FN_ABI_VA_LIST): New.
        (TARGET_CANONICAL_VA_LIST_TYPE): New.
        (TARGET_ENUM_VA_LIST): New.
        * expr.h (std_fn_abi_va_list): New.
        (std_canonical_va_list_type): New.
        * target-def.h (TARGET_FN_ABI_VA_LIST): New.
        (TARGET_CANONICAL_VA_LIST_TYPE): New.
        (TARGET_INITIALIZER): Add TARGET_FN_ABI_VA_LIST and
        TARGET_CANONICAL_VA_LIST_TYPE.
        * target.h (struct gcc_target): Add fn_abi_va_list hook
        and canonical_va_list_type hook.

2008-07-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * fold-const.c (fold_convert_const): Treat OFFSET_TYPE the same as
        integral and pointer types.

2008-07-04  Roger Sayle  <roger@eyesopen.com>

        * config/rs6000/host-darwin.c (darwin_rs6000_extra_signals): Cast
        the "void*" result of xmalloc to "char*" to fix bootstrap breakage.

2008-07-04  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/36684
        * config/sh/sh.h (OVERRIDE_OPTIONS): Disable -fschedule-insns for PIC.

2008-07-04  Jakub Jelinek  <jakub@redhat.com>

        * tree-switch-conversion.c (build_one_array, gen_def_assigns): Use
        build_gimple_modify_stmt.
        (build_arrays, gen_inbound_check): Likewise.  Force RHS to be
        gimple operand.  Use fold_build* instead of build*.

2008-07-04  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (lookup_vi_for_tree): Declare.
        (do_sd_constraint): Handle a dereference of ESCAPED and CALLUSED
        properly to compute the reachability set if we do field-sensitive PTA.
        * invoke.texi (max-fields-for-field-sensitive): Document default.
        * opts.c (decode_options): Set max-fields-for-field-sensitive to
        100 for optimize >= 2.

2008-07-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * ggc-zone.c (lookup_page_table_if_allocated,
        set_page_table_entry, zone_find_object_size, alloc_small_page,
        alloc_large_page, ggc_free, gt_ggc_m_S, ggc_marked_p, init_ggc,
        new_ggc_zone, init_ggc_pch, ggc_pch_this_base, ggc_pch_read): Fix
        -Wc++-compat and/or -Wcast-qual warnings.

2008-07-04  Alan Modra  <amodra@bigpond.net.au>

        PR target/36634
        * config/rs6000/rs6000.md (call, call_value): Don't arrange for
        pic_offset_table_rtx to be marked as used here.
        (call_nonlocal_sysv, call_value_nonlocal_sysv): Add split for
        TARGET_SECURE_PLT to "use" pic_offset_table_rtx.
        (call_nonlocal_sysv_secure, call_value_nonlocal_sysv_secure): New insn.
        (sibcall_nonlocal_sysv, sibcall_value_nonlocal_sysv): Assert
        !TARGET_SECURE_PLT.

2008-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * alloc-pool.c (hash_descriptor, eq_descriptor,
        alloc_pool_descriptor): Fix -Wc++-compat warnings.
        * bitmap.c (hash_descriptor, eq_descriptor, bitmap_descriptor):
        Likewise.
        * ggc-common.c (hash_descriptor, eq_descriptor, hash_ptr, eq_ptr,
        loc_descriptor, ggc_prune_ptr, ggc_free_overhead,
        final_cmp_statistic, cmp_statistic, dump_ggc_loc_statistics): Likewise.
        * varray.c (hash_descriptor, eq_descriptor, varray_descriptor):
        Likewise.

2008-07-03  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-flow.h (loop_only_exit_p): Declare.
        * tree-ssa-loop-niter.c (loop_only_exit_p): Make public.
        * tree-ssa-loop-ivopts.c (may_eliminate_iv): Reinstate direct check on
        the number of iterations if it is constant.  Otherwise, if this is the
        only possible exit of the loop, use the conservative estimate on the
        number of iterations of the entire loop if available.

2008-07-03  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (libgcc.mvars): Add LIBGCC_SYNC and LIBGCC_SYNC_CFLAGS.
        * libgcc-std.ver (GCC_4.4.0): New version, inherited from GCC_4.3.0.
        Add synchronization functions.
        * config/sync.c: New file.
        * config/mips/t-libgcc-mips16 (LIBGCC_SYNC): Define.
        (LIBGCC_SYNC_CFLAGS): Likewise.

2008-07-03  Uros Bizjak  <ubizjak@gmail.com>

        PR target/36710
        * config/i386/i386.md (mode): Add TF to "mode" attribute.
        (*pushtf_sse): New insn pattern.
        (pushtf splitters): New splitters.

2008-07-03  Michael Meissner  <gnu@the-meissners.org>

        PR middle-end/35736
        * predict.c (build_predict_expr): Use void_type_node for the tree
        type, instead of NULL_TREE.

2008-07-03  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (contains_aligned_value_p): Return true
        for TCmode.
        (ix86_data_alignment): Align TCmode to 128bits.
        (ix86_local_alignment): Likewise.

2008-07-03  Andrew Haley  <aph@redhat.com>

        PR bootstrap/33304
        * vec.h (VEC_TA): New.
        (DEF_VEC_I, DEF_VEC_P, DEF_VEC_ALLOC_I, DEF_VEC_ALLOC_P,
        DEF_VEC_O, DEF_VEC_ALLOC_O: Use VEC_TA.
        * c-common.c (C_COMMON_FIXED_TYPES_SAT): New macro.
        (C_COMMON_FIXED_MODE_TYPES_SAT): New macro.
        (C_COMMON_FIXED_TYPES): Remove first arg.
        (C_COMMON_FIXED_MODE_TYPES): Likewise.
        * tree.c (MAKE_FIXED_TYPE_NODE): Break into two macros,
        MAKE_FIXED_TYPE_NODE and MAKE_FIXED_TYPE_NODE_WIDTH in order
        not to use empty macro arguments.

2008-07-02  Joseph Myers  <joseph@codesourcery.com>

        * config/alpha/vms_tramp.asm, config/arm/crti.asm,
        config/arm/crtn.asm, config/bfin/crti.s, config/bfin/crtlibid.s,
        config/bfin/crtn.s, config/fr30/crti.asm, config/fr30/crtn.asm,
        config/frv/lib1funcs.asm, config/i386/sol2-c1.asm,
        config/i386/sol2-ci.asm, config/i386/sol2-cn.asm,
        config/i386/sol2-gc1.asm, config/ia64/crti.asm,
        config/ia64/crtn.asm, config/m68hc11/larith.asm,
        config/m68hc11/m68hc11-crt0.S, config/m68k/crti.s,
        config/m68k/crtn.s, config/mcore/crti.asm, config/mcore/crtn.asm,
        config/rs6000/crtresfpr.asm, config/rs6000/crtresgpr.asm,
        config/rs6000/crtresxfpr.asm, config/rs6000/crtresxgpr.asm,
        config/rs6000/crtsavfpr.asm, config/rs6000/crtsavgpr.asm,
        config/rs6000/crtsavres.asm, config/rs6000/e500crtres32gpr.asm,
        config/rs6000/e500crtres64gpr.asm,
        config/rs6000/e500crtres64gprctr.asm,
        config/rs6000/e500crtrest32gpr.asm,
        config/rs6000/e500crtrest64gpr.asm,
        config/rs6000/e500crtresx32gpr.asm,
        config/rs6000/e500crtresx64gpr.asm,
        config/rs6000/e500crtsav32gpr.asm,
        config/rs6000/e500crtsav64gpr.asm,
        config/rs6000/e500crtsav64gprctr.asm,
        config/rs6000/e500crtsavg32gpr.asm,
        config/rs6000/e500crtsavg64gpr.asm,
        config/rs6000/e500crtsavg64gprctr.asm, config/rs6000/eabi-ci.asm,
        config/rs6000/eabi-cn.asm, config/rs6000/eabi.asm,
        config/rs6000/sol-ci.asm, config/rs6000/sol-cn.asm,
        config/rs6000/tramp.asm, config/sparc/sol2-ci.asm,
        config/sparc/sol2-cn.asm: Remove .file directives.

2008-07-02  Richard Sandiford  <rdsandiford@googlemail.com>

        * resource.c (mark_referenced_resources): Look inside
        UNSPEC_VOLATILEs and ASM_INPUTs.

2008-07-02  Ian Lance Taylor  <iant@google.com>

        * rtlanal.c (add_reg_note): New function.
        * rtl.h (add_reg_note): Declare.
        * auto-inc-dec.c (attempt_change): Use add_reg_note.
        * bb-reorder.c (add_reg_crossing_jump_notes): Likewise.
        * builtins.c (expand_builtin_longjmp): Likewise.
        (expand_builtin_nonlocal_goto): Likewise.
        * calls.c (emit_call_1, expand_call): Likewise.
        * cfgexpand.c (add_reg_br_prob_note): Likewise.
        * cfglayout.c (fixup_reorder_chain): Likewise.
        * cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
        (commit_one_edge_insertion): Likewise.
        * combine.c (move_deaths, distribute_notes): Likewise.
        * df-problems.c (df_set_note): Likewise.
        * emit-rtl.c (link_cc0_insns, try_split): Likewise.
        (set_unique_reg_note): Likewise.
        (emit_copy_of_insn_after): Likewise.
        * expr.c (expand_expr_real): Likewise.
        * gcse.c (add_label_notes): Likewise.
        * haifa-sched.c (create_check_block_twin): Likewise.
        * jump.c (mark_jump_label_1): Likewise.
        * loop-doloop.c (add_test, doloop_modify): Likewise.
        * loop-unswitch.c (compare_and_jump_seq): Likewise.
        * lower-subreg.c (move_eh_region_note): Likewise.
        * optabs.c (emit_libcall_block): Likewise.
        * predict.c (predict_insn): Likewise.
        (combine_predictions_for_insn): Likewise.
        * recog.c (peephole2_optimize): Likewise.
        * regmove.c (try_auto_increment): Likewise.
        * reg-stack.c (emit_pop_insn, move_for_stack_reg): Likewise.
        * reload.c (find_reloads): Likewise.
        * reload1.c (fixup_eh_region_note): Likewise.
        (reload_as_needed, add_auto_inc_notes, copy_eh_notes): Likewise.
        * reorg.c (delete_prior_computation): Likewise.
        (delete_computation, dbr_schedule): Likewise.
        * config/pa/pa.c (legitimize_pic_address): Likewise.
        * config/sh/sh.c (sh_reorg): Likewise.

2008-07-02  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/36669
        * config/libgcc-glibc.ver: Add %exclude.
        * config/m32r/libgcc-glibc.ver: Likwise.
        * config/s390/libgcc-glibc.ver: Likwise.
        * config/sh/libgcc-glibc.ver: Likwise.
        * config/sparc/libgcc-sparc-glibc.ver: Likwise.

        * config/i386/libgcc-glibc.ver: New.

        * config/i386/libgcc-x86_64-glibc.ver: Removed.

2008-07-02  H.J. Lu  <hongjiu.lu@intel.com>

        * config.gcc: Remove i386/t-fprules-softfp64 soft-fp/t-softfp
        from tmake_file from i[34567]86-*-darwin*, x86_64-*-darwin*,
        i[34567]86-*-linux*, x86_64-*-linux*.  Add
        i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file for
        i[34567]86-*-darwin*, x86_64-*-darwin*, i[34567]86-*-linux*,
        x86_64-*-linux*.  Add i386/t-linux to tmake_file for
        i[34567]86-*-linux*, x86_64-*-linux*.

        * libgcc-std.ver: Add empty GCC_4.4.0.

        * mkmap-symver.awk: Support multiple versions per symbol.

        * config/i386/i386.c (ix86_init_builtins): Always define
        __builtin_fabsq and __builtin_copysignq with fallbacks.
        (ix86_expand_builtin): Emit normal call for __builtin_fabsq
        and __builtin_copysignq if SSE2 isn't available.

        * config/i386/linux.h (LIBGCC2_HAS_TF_MODE): Defined.
        (LIBGCC2_TF_CEXT): Likwise.
        (TF_SIZE): Likwise.

        * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): Defined as 1.

        * config/i386/sfp-machine.h: Moved to libgcc.

        * config/i386/sfp-machine.h: New.
        * config/i386/t-linux: Likwise.

        * config/i386/t-darwin: Remove softfp_wrap_start and
        softfp_wrap_end.
        * config/i386/t-darwin64: Likewise.

        * config/i386/t-fprules-softfp64: Renamed to ...
        * config/i386/t-fprules-softfp: This.

        * config/i386/t-linux64: Remove SHLIB_MAPFILES, softfp_wrap_start
        and softfp_wrap_end.

2008-07-02  Jason Merrill  <jason@redhat.com>

        * tree.c (ctor_to_list): Use FOR_EACH_CONSTRUCTOR_ELT.

        * tree.c (ctor_to_list): New fn.
        * tree.h: Declare it.
        (CONSTRUCTOR_ELT): New macro.
        (CONSTRUCTOR_NELTS): New macro.

2008-07-02  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (struct variable_info): Reorder
        to fill padding on 64bit hosts.  Make collapsed_to an int.
        (get_varinfo_fc): Deal with that.
        (new_var_info): Likewise.
        (collapse_rest_of_var): Likewise.

2008-07-02  Joshua Sumali  <jsumali@redhat.com>

        * doc/install.texi (--enable-java-home): Document.
        (--enable-aot-compile-rpm): Likewise.
        (--with-arch-directory): Likewise.
        (--with-os-directory): Likewise.
        (--with-origin-name): Likewise.
        (--with-arch-suffix): Likewise.
        (--with-jvm-root-dir): Likewise.
        (--with-jvm-jar-dir): Likewise.
        (--with-python-dir): Likewise.

2008-07-02  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-forwprop.c (can_propagate_from): Exclude loads
        from decls explicitly.  Merge operand checking from tuples.

2008-07-02  Martin Jambor  <mjambor@suse.cz>

        * tree-switch-conversion.c: Included timevar.h which I forgot before.
        
2008-07-02  Martin Jambor  <mjambor@suse.cz>

        * tree-switch-conversion.c: Included timevar.h
        (pass_convert_switch): Added a timevar id (TV_TREE_SWITCH_CONVERSION).

        * timevar.def: Added TV_TREE_SWITCH_CONVERSION.

2008-07-02  Martin Jambor  <mjambor@suse.cz>

        * tree-switch-conversion.c: Corrected various comments and
        whitespace issues
        (build_constructors): Fixed minor formatting mistakes.

        * invoke.texi (Optimize Options): Corrected the
        switch-conversion-max-branch-ratio parameter.

2008-07-02  Mark Shinwell  <shinwell@codesourcery.com>

        * final.c (asm_insn_count): Return zero for an empty asm body.

2008-07-02  Richard Guenther  <rguenther@suse.de>

        * bitmap.h (bitmap_set_bit): Return bool.
        (bitmap_clear_bit): Likewise.
        * bitmap.c (bitmap_set_bit): Return if the bit changed.  Only
        write to the bitmap if it would.
        (bitmap_clear_bit): Likewise.
        * tree-ssa-structalias.c (add_implicit_graph_edge): Use
        bitmap_set_bit return value.
        (add_pred_graph_edge): Likewise.
        (add_graph_edge): Likewise.
        (do_sd_constraint): Likewise.
        (do_ds_constraint): Likewise.

2008-07-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * config/alpha/alpha.c (alpha_need_linkage, alpha_use_linkage):
        Fix -Wc++-compat and/or -Wcast-qual warnings.
        * config/i386/netware.c (gen_stdcall_or_fastcall_decoration,
        gen_regparm_prefix): Likewise.
        * vmsdbgout.c (write_modbeg, lookup_filename,
        vmsdbgout_source_line, vmsdbgout_init): Likewise.

2008-07-02  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/mingw32.h (TARGET_USE_JCR_SECTION): Undef to let
        defaults.h definition apply.

2008-07-01  Daniel Jacobowitz  <dan@codesourcery.com>

        * function.c (assign_parm_remove_parallels): New.
        (assign_parm_setup_block_p): Do not return true for non-BLKmode
        PARALLELs.
        (assign_parm_setup_block): Do not handle them.
        (assign_parm_setup_reg, assign_parm_setup_stack): Call
        assign_parm_remove_parallels.

2008-07-01  Daniel Jacobowitz  <dan@codesourcery.com>

        * c-typeck.c (convert_for_assignment): Use
        vector_targets_convertible_p.
        * c-common.c (vector_targets_convertible_p): New.
        * c-common.h (vector_targets_convertible_p): New prototype.
        * config/rs6000/rs6000.c (rs6000_is_opaque_type): Do not check
        opaque_p_V2SI_type_node.

2008-07-01  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.c (ia64_cannot_force_const_mem): Do not allow
        RFmode constants.

2008-07-01  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_build_signbit_mask): Generate TImode and
        TFmode constants via two element DImode vector for hosts with
        HOST_BITS_PER_WIDE_INT < 64.
        (ix86_init_builtins): Define __builtin_fabsq and __builtin_copysignq
        also for HOST_BITS_PER_WIDE_INT < 64.

2008-07-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36666
        * tree-ssa-structalias.c (get_constraint_for_1): Declare.
        (get_constraint_exp_from_ssa_var): Split into ...
        (get_constraint_exp_for_temp): ... this ...
        (get_constraint_for_ssa_var): ... and that.
        Return constraint expressions for all touched sub-fields
        if the results address is not taken.
        (process_constraint): Remove assertion that aggregate
        assignments do not happen at this place.
        (get_constraint_for_component_ref): Add address_p argument.
        Return constraint expressions for all touched sub-fields
        if the results address is not taken.
        (do_deref): Use get_constraint_exp_for_temp.
        (get_constraint_for_1): Rename from ...
        (get_constraint_for): ... this.  Add the old function as wrapper.
        (do_structure_copy): Use get_constraint_for_1.

2008-07-01  Martin Jambor  <mjambor@suse.cz>

        * Makefile.in (tree-switch-conversion.o): Add.
        (OBJS-common): Add tree-swtch-conversion.o.
        * passes.c (init_optimization_passes): Add pass_convert_switch.
        * tree-pass.h: (pass_convert_switch): Add.
        * tree-switch-conversion.c: New file.
        * gcc.dg/tree-ssa/cswtch.c: New testcase.
        * common.opt (ftree-cswtch): New option.
        * params.h (PARAM_SWITCH_CONVERSION_BRANCH_RATIO): New parameter.
        * params.def (PARAM_SWITCH_CONVERSION_BRANCH_RATIO): New parameter.
        * opts.c (decode_options): Set flag_tree_switch_conversion when
        optimization level is >= 2.
        * doc/invoke.texi (Optimize Options): Added description of
        -ftree-swtch-conversion and switch-conversion-max-branch-ratio.

2008-06-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * config/darwin-driver.c (darwin_default_min_version): Fix
        -Wc++-compat warnings.

2008-06-30  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*movti_rex64): Add "!" to "r" constraint
        of operand 0.

2008-06-30  Kenneth Zadeck <zadeck@naturalbridge.com>

        * ifcvt.c (cond_move_process_if_block): Free vectors on false return.
        
2008-06-30  Kenneth Zadeck <zadeck@naturalbridge.com>

        PR rtl-optimization/34744
        * df-scan.c (df_scan_free_ref_vec, df_scan_free_mws_vec): New macros.
        (df_scan_free_internal): Free data structures not
        allocated in storage pools.
        (df_mw_hardreg_chain_delete_eq_uses): Use df_scan_free_mws_vec.
        (df_refs_add_to_chains): Use df_scan_free_ref_vec and
        df_scan_free_mws_vec.
        * dse.c (dse_step6): Free offset_map_p and offset_map_n
        unconditionally.

2008-06-30  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (contains_aligned_value_p): Return true
        for __float128.
        (ix86_function_arg_boundary): Return its natural boundary
        for __float128.
        (return_in_memory_32): Don't check TDmode.
        (ix86_split_to_parts): Support splitting into 4 parts and
        support TFmode for 32bit target.
        (ix86_split_long_move): Support splitting into 4 parts.
        (bdesc_args): Enable IX86_BUILTIN_FABSQ and IX86_BUILTIN_COPYSIGNQ
        for SSE2.
        (ix86_init_mmx_sse_builtins): Move __float80 and __float128 to ...
        (ix86_init_builtins): Here.
        (ix86_scalar_mode_supported_p): Always return true for TFmode.
        (ix86_c_mode_for_suffix): Always return TFmode and XFmode for
        'q' and 'w', respectively. 

        * config/i386/i386.md (movtf): Check TARGET_SSE2 instead of
        TARGET_64BIT.
        (movtf_internal): Likewise.
        (<code>tf2): Likewise.
        (*absnegtf2_sse): Likewise.
        (copysign<mode>3): Likewise.
        (copysign<mode>3_const): Likewise.
        (copysign<mode>3_var): Likewise.
        (define_split UNSPEC_COPYSIGN): Likewise.
        * config/i386/sse.md (*nandtf3): Likewise.
        (<code>tf3): Likewise.
        (*<code>tf3): Likewise.

2008-06-30  Joey Ye  <joey.ye@intel.com>
            H.J. Lu  <hongjiu.lu@intel.com>

        * global.c (compute_regsets): Set frame_pointer_needed here.
        * reload1.c (init_elim_table): Don't set frame_pointer_needed here.

2008-06-30  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>

        * doc/install.texi (specific): Expand Windows build notes.

2008-06-30  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/36648
        * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Divide
        number of prolog iterations by step. Fix the comment.

2008-06-30  Richard Guenther  <rguenther@suse.de>

        PR middle-end/36671
        * tree-ssa-structalias.c (handle_lhs_call): Add flags argument,
        handle calls from ECF_MALLOC functions.
        (handle_pure_call): ECF_MALLOC functions do not return
        call-used memory.
        (find_func_aliases): Handle all calls, adjust calls to handle_lhs_call.

2008-06-29  Andreas Schwab  <schwab@suse.de>

        * config/m68k/m68k.c (print_operand): Always print a float
        constant in hex.
        * config/m68k/m68k.h (ASM_OUTPUT_FLOAT_OPERAND)
        (ASM_OUTPUT_DOUBLE_OPERAND, ASM_OUTPUT_LONG_DOUBLE_OPERAND):
        Remove macros.

        * config/rs6000/x-linux64: Remove never used file.

2008-06-29  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.h (compute_points_to_sets): Adjust
        prototype.
        (struct alias_info): Move ...
        * tree-ssa-alias.c: ... here.
        (update_alias_info): Declare.
        (compute_may_aliases): Call it.
        (update_alias_info): New function.
        * tree-ssa-structalias.c (update_alias_info): Move ...
        * tree-ssa-alias.c (update_alias_info_1): ... here.
        * tree-ssa-structalias.c (process_constraint_1): Remove
        unused from_call argument.  Rename to ...
        (process_constraint): ... this.  Delete old wrapper.
        (make_constraint_to): Adjust callers.
        (handle_const_call): Likewise.
        (handle_pure_call): Likewise.
        (init_base_vars): Likewise.
        (handle_lhs_call): Likewise.  Remove unnecessary constraint.
        (find_func_aliases): We don't need structure copies for
        complex types.
        (make_constraint_from_anything): Remove.
        (create_variable_info_for): For globals make constraints
        from escaped, not from anything.
        (compute_points_to_sets): Do not call update_alias_info.
        (ipa_pta_execute): Use make_constraint_from.

2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * Makefile.in (CXX_COMPAT_WARN, cxx_compat_warn): Delete.
        (bitmap.o-warn, dominance.o-warn): New.
        * configure.ac (cxx_compat_warn): Delete.
        (loose_warn): Add -Wcast-qual and -Wc++-compat.
        * system.h: Remove #pragma diagnostic for -Wcast-qual and
        -Wc++-compat.
        * configure: Regenerate.

        * optabs.c (libfunc_decl_hash, libfunc_decl_eq): Fix -Wcast-qual
        warnings.

2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * alloc-pool.c (create_alloc_pool): Fix -Wc++-compat warnings.
        * df-scan.c (df_notes_rescan): Likewise.
        * ggc-page.c (set_page_table_entry): Likewise.
        * intl.c (gcc_gettext_width): Likewise.
        * varasm.c (get_unnamed_section, get_noswitch_section,
        get_section): Likewise.

2008-06-28  Andrew Jenner  <andrew@codesourcery.com>

        * regrename.c (build_def_use): Don't copy RTX.

2008-06-28  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/extend.texi (Variable Attributes): Use @ref instead of @xref.
        (Type Attributes): Fix nesting of @table and @subsection.  Adjust
        punctuation.  Use @ref instead of @xref.
        (Function Names): Remove stray @display/@end display.
        (C++ Attributes): Use @ref instead of @xref.
        (Deprecated Features): Fix punctuation around @xref.
        (Backwards Compatibility): Likewise.
        * doc/rtl.texi (Incdec): Remove stray @table/@end table.

2008-06-28  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/predicates.md (easy_fp_constant): Reject TFmode
        constants for E500 double.

2008-06-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * doc/rtl.texi (const_vector): Document const_fixed as legitimate
        element type of const_vector.

2008-06-28  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (addti3, adddi3, addsi3, addhi3, addqi3):
        Remove FLAGS_REG clobber from expander pattern.
        (subti3, subdi3, subsi3, subhi3, subqi3): Ditto.
        (anddi3, andsi3, andhi3, andqi3): Ditto.
        (iordi3, iorsi3, iorhi3, iorqi3): Ditto.
        (xordi3, xorsi3, xorhi3, xorqi3): Ditto.
        (negti2, negdi2, negsi2, neghi2, negqi2): Ditto.
        (ashlsi3, ashlhi3, ashlqi3): Ditto.
        (ashrsi3, ashrhi3, ashrqi3): Ditto.
        (lshrsi3, lshrhi3, lshrqi3): Ditto.
        (rotldi3, rotlsi3, rotlhi3, rotlqi3): Ditto.
        (rotrdi3, rotrsi3, rotrhi3, rotrqi3): Ditto.

2008-06-28  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (callused_id, var_callused,
        callused_tree): Add.
        (handle_pure_call): New function.
        (find_func_aliases): Call it.
        (find_what_p_points_to): Handle the call-used set.
        (clobber_what_escaped): Likewise.
        (compute_call_used_vars): New function.
        (init_base_vars): Init the call-used variable.
        (do_sd_constraint): Do not propagate the solution from CALLUSED
        but use CALLUSED as a placeholder.
        (solve_graph): Likewise.
        * tree-flow-inline.h (gimple_call_used_vars): New function.
        * tree-flow.h (struct gimple_df): Add call_used_vars bitmap.
        (compute_call_used_vars): Declare.
        * tree-ssa-alias.c (set_initial_properties): Call
        compute_call_used_vars.
        (reset_alias_info): Clear call-used variables.
        (add_call_clobber_ops): Assert we are not called for const/pure
        functions.  Remove handling of them.
        (add_call_read_ops): Handle pure functions by adding the
        call-used set of variables as VUSEs.
        * tree-ssa.c (init_tree_ssa): Allocate call-used bitmap.
        (delete_tree_ssa): Free it.
        * tree-dfa.c (remove_referenced_var): Clear the var from the
        call-used bitmap.

2008-06-28  Kai Tietz  <kai.tietz@onevision.com>

        * tree.c (build_varargs_function_type_list): New.
        (build_function_type_list_1): New.
        (build_function_type_list): Use build_function_type_list_1.
        * tree.h (build_varargs_function_type_list): New.

2008-06-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        PR target/34856
        * config/spu/spu.c (spu_builtin_splats): Do not generate
        invalid CONST_VECTOR expressions.
        (spu_expand_vector_init): Likewise.

2008-06-28  Richard Sandiford  <rdsandiford@googlemail.com>

        * optabs.c (libfunc_decls): New variable.
        (libfunc_decl_hash, libfunc_decl_eq): New functions.
        (init_one_libfunc): Reuse decls and SYMBOL_REFs when asked
        for the same function twice.

2008-06-27  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (ashlti3, ashrti3, lshrti3): Expand using
        ix86_expand_binary_operator directly.
        (*ashlti3_1): Rename from ashlti3_1.  Use nonmemory_operand predicate
        for operand 2.
        (*ashrti3_1): Ditto.
        (*lshrti3_1): Ditto.
        (*ashlti3_2, *ashrti3_2, *lshrti3_2): Remove insn patterns.
        (ashlti, ashrti and lshrti splitters): Handle nonmemory operand 2
        using only one splitter.  Conditionaly execute splitter before or
        after peephole2 pass.
        (ashlti, ashrti and lshrti peephole2): Define peephole2 patterns.
        (x86_shld): Rename from x86_shld_1.  Compress operand 2 constraints.
        Use only one alternative in asm template.
        (x86_64_shld): Compress operand 2 constraints. Use only one alternative
        in asm template.
        (*ashldi3_cmp_rex64): Use const_1_to_63_operand operand predicate and
        "J" operand constraint for operand 2.
        (*ashldi3_cconly_rex64): Ditto.
        (*ashrdi3_cmp_rex64): Ditto.
        (*ashrdi3_cconly_rex64): Ditto.
        (*lshrdi3_cmp_rex64): Ditto.
        (*lshrdi3_cconly_rex64): Ditto.
        * config/i386/predicates.md (const_1_to_63_operand): New predicate.
        * config/i386/i386.md (print_operand) ['s']: Print ", " using fputs.
        (split_ashr, split_ashl, split_lshr): Use gen_x86_shrd instead of
        gen_x86_shrd_1.

2008-06-27  Jakub Jelinek  <jakub@redhat.com>

        * gimplify.c (omp_is_private): Don't return true if decl is not
        already private on #pragma omp for or #pragma omp parallel for.

        PR debug/36617
        * tree-cfg.c (struct move_stmt_d): Replace block field with
        orig_block and new_block fields.
        (move_stmt_r): Only set TREE_BLOCK to p->new_block if
        if it used to be NULL, p->orig_block or if p->orig_block is NULL.
        (move_block_to_fn): Replace vars_map and new_label_map arguments
        with struct move_stmt_d pointer.
        (replace_block_vars_by_duplicates): New function.
        (move_sese_region_to_fn): Add ORIG_BLOCK argument.  Adjust
        move_block_to_fn caller.  If ORIG_BLOCK is non-NULL, move over
        all subblocks of ORIG_BLOCK to the new function.  Call
        replace_block_vars_by_duplicates.
        * tree-flow.h (move_sese_region_to_fn): Adjust prototype.
        * omp-low.c (expand_omp_taskreg): Set TREE_USED on DECL_INITIAL
        BLOCK of the new function.  Adjust move_sese_region_to_fn caller.
        Prune vars with original DECL_CONTEXT from child_cfun->local_decls.
        (expand_omp): Temporarily set input_location to the location of
        region's controlling stmt.
        (lower_omp_sections, lower_omp_for): Add a BLOCK into outermost
        BIND_EXPR, push ctx->block_vars and gimplification vars into
        the BIND_EXPR and its block's BLOCK_VARS instead of directly
        into dest function.
        (lower_omp_single): Set TREE_USED on the BIND_EXPR's BLOCK if
        there are any BLOCK_VARS.
        (lower_omp_taskreg): Set BLOCK on a BIND_EXPR containing the
        OMP_PARALLEL or OMP_TASK stmt.
        (lower_omp): Save and restore input_location around the lower_omp_1
        call.

2008-06-27  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36400
        PR tree-optimization/36373
        PR tree-optimization/36344
        * tree-ssa-structalias.c (var_escaped, escaped_tree, escaped_id,
        var_nonlocal, nonlocal_tree, nonlocal_id): New globals
        (update_alias_info): Remove call clobbering code.
        (make_constraint_to): New helper function.
        (make_escape_constraint): Likewise.
        (handle_rhs_call): Use it on all pointer containing arguments.
        Also mark the static chain escaped.
        (handle_lhs_call): Make constraints from NONLOCAL and ESCAPED
        instead of ANYTHING.
        (make_constraint_from): New helper split out from ...
        (make_constraint_from_anything): ... here.
        (find_func_aliases): Add constraints for escape sites.
        (intra_create_variable_infos): Make constraints from NONLOCAL
        for parameters.
        (find_what_p_points_to): Interpret NONLOCAL and ESCAPED the same
        as ANYTHING.
        (clobber_what_p_points_to): Remove.
        (clobber_what_escaped): New function.
        (init_base_vars): Init NONLOCAL and ESCAPED.
        (do_sd_constraint): Do not propagate the solution from ESCAPED
        but use ESCAPED as a placeholder.
        (solve_graph): Likewise.
        * tree-flow.h (clobber_what_p_points_to): Remove.
        (clobber_what_escaped): Declare.
        * tree-ssa-alias.c (set_initial_properties): Call it.
        Remove code clobbering escaped pointers.

2008-06-27  Richard Sandiford  <rdsandiford@googlemail.com>

        * function.c (allocate_struct_function): Only allocate a unique
        funcdef_no if the decl is nonzero.

2008-06-27  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips-protos.h (mips_split_const_insns): Declare.
        * config/mips/mips.c (mips_split_const_insns): New function.
        * config/mips/mips.md (move_type): New attribute.
        (mode): Move attribute definition earlier in file.  Add "TI" and "TF".
        (dword_mode): New attribute.
        (type): Avoid long line.  Map "move_type"s to "type"s,
        choosing "multi" for doubleword moves if appropriate.
        Swap MTC/MFC comments to match their declaration order.
        (extended_mips16): Default to "yes" if "move_type" is "sll0",
        "type" is "branch" or "jal" is "direct".
        (length): Handle "extended_mips16" first.  Make the default
        "0" for "ghost" instructions.  Set the length from "move_type".
        (truncdisi2, truncdihi2, truncdiqi2): Use "move_type" instead
        of "type", with "sll0" for the register alternative.  Remove the
        "extended_mips16" attribute.
        (zero_extendsidi2, *clear_upper32): Use "move_type" instead
        of "type", with "shift_shift" for the register alternative.
        Remove the "length" attribute.
        (*extend<SHORT:mode><GPR:mode>2, *extendqihi2): Likewise.
        (*zero_extend<SHORT:mode><GPR:mode>2): Use "move_type" instead
        of "type", with "andi" for the register alternative.
        (*zero_extendqihi2): Likewise.
        (*zero_extend<SHORT:mode><GPR:mode>2_mips16e): Use a "move_type"
        of "andi" instead of a "type" of "arith".
        (*zero_extend<SHORT:mode><GPR:mode>2_mips16): Use "move_type"
        instead of "type".
        (*zero_extendqihi2_mips16, mov_<load>l, mov_<load>r, mov_<store>l)
        (mov_<store>r, *mov<mode>_ra): Likewise.
        (extendsidi2): Use "move_type" instead of "type", with "move"
        for the register alternative.
        (*extend<SHORT:mode><GPR:mode>2_mips16e): Use "move_type" instead
        of "type", with "signext" for the register alternative.
        (*extend<SHORT:mode><GPR:mode>2_se<SHORT:size>): Likewise.
        (*extendqihi2_mips16e, *extendqihi2_seb): Likewise.
        (fix_truncdfsi2_insn, fix_truncsfsi2_insn, fix_truncdfdi2)
        (fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2, floatdisf2)
        (floatdisf2, *branch_equality<mode>_mips16): Likewise.
        (unnamed branch insn): Likewise.
        (*movdi_gp32_fp64): Fold into...
        (*movdi_32bit): ...here.
        (*movdf_hardfloat_64bit, *movdf_hardfloat_32bit): Combine into...
        (*movdf_hardfloat): ...this new pattern.
        (*movdf_softfloat): Remove redundant FPR alternatives.
        (*movti, *movti_mips16, *movtf, *movtf_mips16): Add "mode" attributes.
        (*movv2sf_hardfloat_64bit, *movv2sf_hardfloat_32bit): Combine into...
        (*movv2sf): ...this new pattern.  Use "DF" rather than "SF" for
        the "move" attribute.
        (*movdi_32bit): Use "move_type" instead of "type" and remove the
        "length" attribute.  Use "fpload" and "fpstore" instead of "load"
        and "store" for COP loads and stores.
        (*movdi_32bit_mips16, *movdi_64bit, *movsi_internal, movcc)
        (*movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16)
        (*movsf_hardfloat, *movsf_softfloat, *movsi_mips16, *movdf_hardfloat)
        (*movdf_softfloat, *movdf_mips16, *movti, *movti_mips16, *movtf)
        (*movtf_mips16, *movv2sf): Likewise.
        (mfhi<GPR:mode>_<HILO:mode>, mflo<GPR:mode>_<HILO:mode>)
        (load_low<mode>, load_high<mode>, store_word<mode>, mthc1<mode>)
        (mfhc1<mode>): Use "move_type" instead of "move".
        (*low<mode>_mips16): Use "extended_mips16" instead of "length".
        (loadgp_blockage): Remove the "length" attribute.
        (blockage, set_got_version, update_got_version): Likewise.
        (call_internal): Remove the "extended_mips16" attribute.
        (call_value_internal, call_value_multiple_internal): Likewise.
        * config/mips/loongson.md (mov<mode>_internal): Use "move_type"
        instead of "move".
        * config/mips/mips-dsp.md (mips_lbux, mips_lhx, mips_lwx): Remove
        the "length" attribute.

2008-06-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * c-format.c (handle_format_attribute): Fix -Wc++-compat and/or
        -Wcast-qual warnings.
        * c-pragma.c (dpm_eq, handle_pragma_push_macro,
        handle_pragma_pop_macro): Likewise.
        * collect2.c (resolve_lib_name): Likewise.
        * config/arc/arc.c (arc_init): Likewise.
        * config/arm/arm.c (neon_builtin_compare,
        locate_neon_builtin_icode): Likewise.
        * config/arm/pe.c (arm_mark_dllexport, arm_pe_unique_section): Likewise.
        * config/bfin/bfin.c (bfin_init_machine_status,
        bfin_optimize_loop): Likewise.
        * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Likewise.
        * config/cris/cris.c (cris_init_expanders): Likewise.
        * config/darwin-c.c (frameworks_in_use, add_framework): Likewise.
        * config/darwin.c (machopic_indirection_eq,
        machopic_indirection_name, machopic_output_indirection): Likewise.
        * config/frv/frv.c (frv_init_machine_status, frv_compare_insns,
        frv_io_check_address, frv_io_handle_set, frv_io_handle_use_1,
        frv_optimize_membar): Likewise.
        * config/i386/cygwin.h (mingw_scan,
        GCC_DRIVER_HOST_INITIALIZATION): Likewise.
        * config/i386/cygwin1.c (mingw_scan): Likewise.
        * config/i386/i386.c (machopic_output_stub): Likewise.
        * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix,
        i386_pe_unique_section): Likewise.
        * config/ia64/ia64.c (ia64_init_machine_status,
        ia64_h_i_d_extended, get_free_bundle_state, bundling, ia64_reorg):
        Likewise.
        * config/iq2000/iq2000.c, iq2000_init_machine_status): Likewise.
        * config/m68hc11/m68hc11.c (m68hc11_encode_label): Likewise.
        * config/m68k/m68k.c (m68k_handle_option,
        m68k_sched_md_init_global): Likewise.
        * config/mcore/mcore.c (mcore_mark_dllexport, mcore_mark_dllimport,
        mcore_unique_section): Likewise.
        * config/mips/mips.c (mips_block_move_straight,
        mips16_rewrite_pool_refs, mips_sim_wait_regs_2, mips_sim_record_set):
        Likewise.
        * config/mmix/mmix.c (mmix_init_machine_status,
        mmix_encode_section_info): Likewise.
        * config/pa/pa.c (pa_init_machine_status, hppa_encode_label): Likewise.
        * config/rs6000/rs6000.c (rs6000_init_machine_status,
        print_operand_address, output_toc, redefine_groups,
        rs6000_elf_encode_section_info, machopic_output_stub): Likewise.
        * config/s390/s390.c (s390_init_machine_status): Likewise.
        * config/score/score.c (score_block_move_straight,
        score_block_move_loop_body): Likewise.
        * config/sparc/sparc.c (sparc_init_machine_status): Likewise.
        * config/xtensa/xtensa.c (xtensa_init_machine_status): Likewise.
        * emit-rtl.c (find_auto_inc): Likewise.
        * gcc.c (translate_options, process_command): Likewise.
        * reorg.c (dbr_schedule): Likewise.
        * sdbout.c (sdbout_start_source_file, sdbout_init): Likewise.
        * xcoffout.c (xcoffout_declare_function): Likewise.

2008-06-27  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-structalias.c (find_func_aliases): Trivial fix to get
        ipa-pta working again.

2008-06-27  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/t-aix52: Append large data option to LDFLAGS for
        genautomata.

2008-06-27  Edmar Wienskoski  <edmar@freescale.com>

        * config.gcc (powerpc*-*-*): Add new core e500mc.
        * config/rs6000/e500mc.md: New file.
        * config/rs6000/rs6000.c (processor_costs): Add new costs for
        e500mc.
        (rs6000_override_options): Add e500mc case to
        processor_target_table. Altivec and Spe options not allowed
        with e500mc. Add isel instruction to e500mc by
        default. Initialize rs6000_cost for e500mc.
        (rs6000_issue_rate): Set issue rate for e500mc.
        * config/rs6000/rs6000.h (processor_type): Add
        PROCESSOR_PPCE500MC.
        (ASM_CPU_SPEC): Add e500mc.
        Set TARGET_ISEL to rs6000_isel.
        * config/rs6000/e500.h: Remove redefinition of TARGET_ISEL.
        (CHECK_E500_OPTIONS): Remove TARGET_ISEL.
        * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce500mc.
        Include e500mc.md.
        * doc/invoke.texi: Add e500mc to list of cpus.

2008-06-27  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

        PR c/34867
        * c-lex.c (lex_charconst): Initialize unsignedp.

2008-06-27  Olivier Hainque  <hainque@adacore.com>

        * gimplify.c (gimplify_modify_expr_to_memset): Assert our
        documented assumptions.

2008-06-26  H.J. Lu  <hongjiu.lu@intel.com>

        * dwarf2out.c: Remove trailing white spaces.  Break long line
        in comments.

2008-06-26  Richard Sandiford  <rdsandiford@googlemail.com>

        * libfuncs.h (LTI_synchronize): New libfunc_index.
        (synchronize_libfunc): Declare.
        * builtins.c (expand_builtin_synchronize): Consider using
        synchronize_libfunc before falling back on an asm blockage.
        * config/mips/mips.c: Include libfuncs.h
        (mips_init_libfuncs): Initialize synchronize_libfunc for TARGET_MIPS16.

2008-06-26  Nathan Froyd  <froydnj@codesourcery.com>

        * config/rs6000/rs6000.c (emit_allocate_stack): Add copy_r11
        parameter.  Copy stack_reg to r11 where appropriate.
        (no_global_regs_above): Add gpr parameter.
        (rs6000_stack_info): Only add padding for SPE save area if we
        are saving SPE GPRs and CR.
        (saveres_routine_syms): New variable.
        (FIRST_SAVRES_REGISTER, LAST_SAVRES_REGISTER, N_SAVRES_REGISTERS):
        Define.
        (rs6000_savres_routine_sym): New function.
        (rs6000_emit_stack_reset, rs6000_restore_saved_cr): New functions,
        split out of...
        (rs6000_emit_epilogue): ...here.  Use rs6000_use_multiple_p and
        rs6000_savres_strategy.  Restore GPRs out-of-line if appropriate.
        Tweak FPR out-of-line saving.
        (rs6000_make_savres_rtx): New function.
        (rs6000_use_multiple_p): New function.
        (rs6000_savres_strategy): New function.
        (rs6000_emit_prologue): Use rs6000_savres_strategy.  Save GPRs
        out-of-line if appropriate.
        * config/rs6000/sysv4.h (FP_SAVE_INLINE): Save FPRs out-of-line
        if we are optimizing for size.
        (GP_SAVE_INLINE): Define.
        (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX): Only use _l on 64-bit targets.
        * config/rs6000/darwin.h (GP_SAVE_INLINE): Define.
        * config/rs6000/aix.h (GP_SAVE_INLINE): Define.
        * config/rs6000/rs6000.md (*save_gpregs_<mode>): New insn.
        (*save_fpregs_<mode>): Add use of r11.
        (*restore_gpregs_<mode>): New insn.
        (*return_and_restore_gpregs_<mode>): New insn.
        (*return_and_restore_fpregs_<mode>): Adjust to clobber LR and
        use r11.
        * config/rs6000/spe.md (*save_gpregs_spe): New insn.
        (*restore_gpregs_spe): New insn.
        (*return_and_restore_gpregs_spe): New insn.
        * config/rs6000/predicates.md (save_world_operation): Fix check.

2008-06-26  Steven Bosscher  <steven@gcc.gnu.org>

        * tree-into-ssa (insert_phi_nodes_for): 'var' must be a DECL at
        this point, so assert that.

2008-06-26  Steven Bosscher  <steven@gcc.gnu.org>

        * cfganal.c: Include vec.h and vecprim.h.
        (compute_idf): Import from...
        * tree-into-ssa (compute_idf): ...here.
        * basic-block.h (compute_idf): Export.

2008-06-26  Joseph Myers  <joseph@codesourcery.com>

        * c-decl.c (merge_decls): Use !current_function_decl to check for
        extern declaration of C99 inline function being at file scope.

2008-06-25  John David Anglin  <dave.anglin@gcc-cnrc.gc.ca>

        * config.gcc (hppa[12]*-*-hpux10*): Don't use fixproto.

2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * alias.c (record_alias_subset, init_alias_analysis): Fix
        -Wc++-compat and/or -Wcast-qual warnings.
        * attribs.c (lookup_attribute_spec): Likewise.
        * bb-reorder.c (find_traces, rotate_loop, find_traces_1_round,
        copy_bb, connect_traces,
        find_rarely_executed_basic_blocks_and_cr): Likewise.
        * bt-load.c (find_btr_def_group, add_btr_def, new_btr_user,
        note_btr_set, migrate_btr_defs): Likewise.
        * builtins.c (result_vector, expand_builtin_memcpy,
        expand_builtin_mempcpy_args, expand_builtin_strncpy,
        builtin_memset_read_str, expand_builtin_printf,
        fold_builtin_memchr, rewrite_call_expr, fold_builtin_printf):
        Likewise.
        * caller-save.c (mark_set_regs): Likewise.
        * calls.c (expand_call, emit_library_call_value_1): Likewise.
        * cgraph.c (cgraph_edge): Likewise.
        * combine.c (likely_spilled_retval_1): Likewise.
        * coverage.c (htab_counts_entry_hash, htab_counts_entry_eq,
        htab_counts_entry_del, get_coverage_counts): Likewise.
        * cselib.c (new_elt_list, new_elt_loc_list, entry_and_rtx_equal_p,
        new_cselib_val): Likewise.
        * dbgcnt.c (dbg_cnt_process_opt): Likewise.
        * dbxout.c (dbxout_init, dbxout_type, output_used_types_helper):
        Likewise.
        * df-core.c (df_compact_blocks): Likewise.
        * df-problems.c (df_grow_bb_info, df_chain_create): Likewise.
        * df-scan.c (df_grow_reg_info, df_ref_create,
        df_insn_create_insn_record, df_insn_rescan, df_notes_rescan,
        df_ref_compare, df_ref_create_structure, df_bb_refs_record,
        df_record_entry_block_defs, df_record_exit_block_uses,
        df_bb_verify): Likewise.
        * df.h (DF_REF_EXTRACT_WIDTH_CONST, DF_REF_EXTRACT_OFFSET_CONST,
        DF_REF_EXTRACT_MODE_CONST): New.
        * dominance.c (get_immediate_dominator, get_dominated_by,
        nearest_common_dominator, root_of_dom_tree,
        iterate_fix_dominators, first_dom_son, next_dom_son): Fix
        -Wc++-compat and/or -Wcast-qual warnings.
        * dse.c (clear_alias_set_lookup, get_group_info, gen_rtx_MEM,
        record_store, replace_read, check_mem_read_rtx, scan_insn,
        dse_step1, dse_record_singleton_alias_set): Likewise.
        * dwarf2asm.c (dw2_force_const_mem): Likewise.

2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * dwarf2out.c (new_cfi, queue_reg_save, dwarf2out_begin_prologue,
        dwarf2out_frame_init, new_loc_descr, new_die, lookup_decl_die,
        lookup_decl_loc, add_var_loc_to_decl, compute_section_prefix,
        assign_symbol_names, htab_cu_hash, htab_cu_eq, htab_cu_del,
        build_abbrev_table, new_loc_list, output_comp_unit, add_arange,
        add_ranges_num, add_ranges_by_labels, file_info_cmp,
        file_name_acquire, output_file_names, add_const_value_attribute,
        premark_used_types_helper, file_table_eq, file_table_hash,
        lookup_filename, dwarf2out_var_location, dwarf2out_source_line,
        dwarf2out_init, file_table_relative_p): Fix -Wc++-compat and/or
        -Wcast-qual warnings.
        * ebitmap.c (ebitmap_array_grow, ebitmap_array_init,
        ebitmap_alloc, ebitmap_ior, ebitmap_and_compl): Likewise.
        * emit-rtl.c (get_mem_attrs, get_reg_attrs, gen_rtvec,
        gen_reg_rtx, start_sequence, init_emit): Likewise.
        * et-forest.c (et_new_occ, et_new_tree): Likewise.
        * except.c (init_eh_for_function, gen_eh_region,
        remove_unreachable_regions, add_ehl_entry, duplicate_eh_regions_1,
        arh_to_landing_pad, arh_to_label, add_action_record,
        add_call_site, switch_to_exception_section): Likewise.
        * expmed.c (synth_mult): Likewise.
        * expr.c (gen_group_rtx, emit_group_load, emit_group_store,
        store_expr): Likewise.
        * final.c (shorten_branches, final_scan_insn, debug_queue_symbol):
        Likewise.
        * function.c (assign_stack_temp_for_type,
        allocate_struct_function, match_asm_constraints_1): Likewise.
        * gcov-io.c (gcov_allocate): Likewise.
        * gcse.c (GNEW, GCNEW, GNEWVEC, GCNEWVEC, GRESIZEVEC, GNEWVAR,
        GCNEWVAR, GRESIZEVAR, GOBNEW, GOBNEWVAR): New.
        (gcse_main, alloc_gcse_mem, alloc_gcse_mem, alloc_reg_set_mem,
        record_one_set, insert_expr_in_table, insert_set_in_table,
        dump_hash_table, compute_hash_table_work, alloc_hash_table,
        pre_ldst_expr_hash, pre_ldst_expr_eq, find_rtx_in_ldst,
        reg_set_info, reg_clear_last_set): Fix -Wc++-compat and/or
        -Wcast-qual warnings.

2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * cse.c (approx_reg_cost_1, cse_insn): Fix -Wc++-compat and/or
        -Wcast-qual warnings.
        * gcc.c (process_command): Likewise.
        * genattrtab.c (oballoc): Use XOBNEW.
        (oballocvec): Define.
        (attr_hash_add_rtx, attr_hash_add_string, attr_string,
        get_attr_value, fill_attr, make_length_attrs, gen_attr, gen_insn,
        gen_delay, find_attr, gen_insn_reserv, gen_bypass_1): Fix
        -Wc++-compat and/or -Wcast-qual warnings.
        * genautomata.c (XCREATENODE, XCREATENODEVEC, XCREATENODEVAR,
        XCOPYNODE, XCOPYNODEVEC, XCOPYNODEVAR): New.
        (gen_cpu_unit, gen_query_cpu_unit, gen_bypass, gen_excl_set,
        gen_presence_absence_set, gen_automaton, gen_regexp_el,
        gen_regexp_repeat, gen_regexp_allof, gen_regexp_oneof,
        gen_regexp_sequence, gen_reserv, gen_insn_reserv, process_excls,
        add_excls, process_presence_absence_names,
        process_presence_absence_patterns, add_presence_absence,
        process_regexp, add_advance_cycle_insn_decl, get_free_alt_state,
        get_free_state, add_arc, get_free_automata_list_el,
        form_reserv_sets_list, copy_insn_regexp, transform_1, transform_2,
        transform_3, cache_presence, create_ainsns, create_automata,
        create_state_ainsn_table, dfa_insn_code_enlarge,
        output_trans_func, output_min_issue_delay_func,
        output_dead_lock_func, output_reset_func,
        output_get_cpu_unit_code_func, output_dfa_start_func,
        expand_automata): Likewise.
        * genextract.c (gen_insn): Likewise.
        * gengtype-lex.l: Likewise.
        * gengtype.c (read_input_list, adjust_field_type,
        process_gc_options): Likewise.
        * genoutput.c (note_constraint): Likewise.
        * genpreds.c (mangle, add_constraint): Likewise.
        * genrecog.c (process_define_predicate, new_decision,
        add_to_sequence): Likewise.
        * gensupport.c (record_insn_name): Likewise.

2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * config/i386/driver-i386.c (detect_caches_amd,
        detect_caches_intel, host_detect_local_cpu): Fix -Wc++-compat
        and/or -Wcast-qual warnings.
        *ggc-common.c (ggc_mark_roots, gt_pch_note_object,
        gt_pch_note_reorder, relocate_ptrs, write_pch_globals,
        gt_pch_save): Likewise.
        * ggc-page.c (push_depth, push_by_depth, alloc_anon, alloc_page,
        gt_ggc_m_S, clear_marks, ggc_pch_read): Likewise.
        * global.c (compute_regsets): Likewise.
        * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
        finish_graph_dump_file): Likewise.
        * haifa-sched.c (schedule_block, extend_h_i_d, extend_ready,
        unlink_bb_notes): Likewise.
        * integrate.c (get_hard_reg_initial_val): Likewise.
        * ipa-prop.c (ipa_push_func_to_list): Likewise.
        * ipa-struct-reorg.c (gen_var_name, gen_cluster_name): Likewise.
        * local-alloc.c (update_equiv_regs): Likewise.
        * loop-invariant.c (check_invariant_table_size,
        hash_invariant_expr, eq_invariant_expr, find_or_insert_inv):
        Likewise.
        * loop-iv.c (check_iv_ref_table_size, analyzed_for_bivness_p,
        altered_reg_used, mark_altered): Likewise.
        * loop-unroll.c (si_info_eq, ve_info_eq, allocate_basic_variable,
        insert_var_expansion_initialization,
        combine_var_copies_in_loop_exit, apply_opt_in_copies,
        release_var_copies): Likewise.
        * matrix-reorg.c (mat_acc_phi_hash, mat_acc_phi_eq, mtt_info_eq,
        analyze_matrix_decl, add_allocation_site, analyze_transpose,
        analyze_accesses_for_phi_node, check_var_notmodified_p,
        check_allocation_function, find_sites_in_func,
        record_all_accesses_in_func, transform_access_sites,
        transform_allocation_sites): Likewise.
        * omp-low.c (new_omp_region, create_omp_child_function_name,
        check_omp_nesting_restrictions, check_combined_parallel,
        lower_omp_2, diagnose_sb_1, diagnose_sb_2): Likewise.
        * optabs.c (no_conflict_move_test, gen_libfunc, gen_fp_libfunc,
        gen_intv_fp_libfunc, gen_interclass_conv_libfunc,
        gen_intraclass_conv_libfunc, set_optab_libfunc, set_conv_libfunc):
        Likewise.
        * opts-common.c (prune_options): Likewise.
        * opts.c (add_input_filename, print_filtered_help,
        get_option_state): Likewise.
        * params.c (add_params): Likewise.
        * passes.c (set_pass_for_id, next_pass_1,
        do_per_function_toporder, pass_fini_dump_file): Likewise.
        * postreload.c (reload_cse_simplify_operands): Likewise.
        * predict.c (tree_predicted_by_p, tree_predict_edge,
        clear_bb_predictions, combine_predictions_for_bb): Likewise.

2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * ra.h (add_neighbor): Fix -Wc++-compat and/or -Wcast-qual
        warnings.
        * recog.c (check_asm_operands, validate_change_1): Likewise.
        * reg-stack.c (check_asm_stack_operands, subst_asm_stack_regs,
        subst_asm_stack_regs): Likewise.
        * regclass.c (regclass, som_hash, som_eq, record_subregs_of_mode,
        cannot_change_mode_set_regs, invalid_mode_change_p): Likewise.
        * regmove.c (reg_is_remote_constant_p): Likewise.
        * regrename.c (regrename_optimize, scan_rtx_reg,
        kill_clobbered_value, kill_set_value, kill_autoinc_value):
        Likewise.
        * regstat.c (regstat_init_n_sets_and_refs, regstat_compute_ri,
        regstat_compute_calls_crossed): Likewise.
        * reload1.c (init_reload, new_insn_chain,
        has_nonexceptional_receiver, reload, copy_reloads,
        calculate_needs_all_insns, init_elim_table): Likewise.
        * rtl-factoring.c (compute_rtx_cost, fill_hash_bucket): Likewise.
        * rtl.c (shallow_copy_rtx_stat): Likewise.
        * rtlanal.c (parms_set): Likewise.
        * sbitmap.c (sbitmap_alloc, sbitmap_alloc_with_popcount,
        sbitmap_resize, sbitmap_vector_alloc): Likewise.
        * sched-ebb.c (earliest_block_with_similiar_load,
        add_deps_for_risky_insns): Likewise.
        * sched-rgn.c (find_rgns, gather_region_statistics, extend_rgns,
        schedule_region): Likewise.
        * see.c (eq_descriptor_pre_extension,
        hash_descriptor_pre_extension, hash_del_pre_extension,
        eq_descriptor_properties, hash_descriptor_properties,
        hash_del_properties, see_seek_pre_extension_expr,
        see_initialize_data_structures, see_print_register_properties,
        see_print_pre_extension_expr, see_delete_merged_def_extension,
        see_delete_unmerged_def_extension, see_emit_use_extension,
        see_pre_delete_extension, see_map_extension, see_commit_changes,
        see_analyze_merged_def_local_prop,
        see_analyze_merged_def_local_prop,
        see_analyze_unmerged_def_local_prop, see_analyze_use_local_prop,
        see_set_prop_merged_def, see_set_prop_unmerged_def,
        see_set_prop_unmerged_use, see_print_one_extension,
        see_merge_one_use_extension, see_merge_one_def_extension,
        see_store_reference_and_extension, see_update_uses_relevancy,
        see_update_defs_relevancy): Likewise.
        * statistics.c (hash_statistics_hash, hash_statistics_eq,
        hash_statistics_free, curr_statistics_hash): Likewise.
        * stmt.c (parse_output_constraint, decl_overlaps_hard_reg_set_p,
        expand_asm_operands, expand_return, case_bit_test_cmp,
        expand_case): Likewise.
        * stor-layout.c (start_record_layout): Likewise.
        * stringpool.c (ggc_alloc_string, gt_pch_n_S,
        gt_pch_save_stringpool): Likewise.
        * tree-data-ref.c (hash_stmt_vertex_info,
        have_similar_memory_accesses_1, ref_base_address_1): Likewise.
        * tree-ssa-phiopt.c (name_to_bb_hash): Likewise.

2008-06-25  Uros Bizjak  <ubizjak@gmail.com>

        PR target/36627
        * config/i386/i386.md : Change constraints of HImode and QImode
        immediate operands from "i" to "n".  Change SImode "ni" constraint to
        "i" and SImode "rmi" constraint to "g".  Remove all constraints
        from const0_operand and const1_operand predicated operands.
        (i): Change QImode and HImode attribute from "i" to "n".
        (*subqi_2): Change HImode operands to QImode.
        (*subqi_3): Ditto.

2008-06-25  Olivier Hainque  <hainque@adacore.com>

        * Makefile.in (GTFILES_H): Use | instead of ; as separator in
        sed substitutions.

2008-06-25  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (fieldoff_compare): Make sure to
        not overflow the result type.

2008-06-25  Richard Guenther  <rguenther@suse.de>

        * tree-vn.c (vn_add): Handle TRUTH_*_EXPR.
        (vn_lookup): Likewise.

2008-06-25  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/35518
        * fold-const.c (fold_ternary): Strip trivial BIT_FIELD_REFs.
        * tree-sra.c (instantiate_element): Use fold_build3 to build
        BIT_FIELD_REFs.
        (try_instantiate_multiple_fields): Likewise.

2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * config/rs6000/rs6000.md: Change all string instruction's clobber to
        be early clobbers.

2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * config/rs6000/rs6000.c (rs6000_emit_epilogue): Set
        use_backchain_to_restore_sp to true
        if the offset of the link register save area would go over the 32k - 1
        offset limit of the load
        instructions.

2008-06-25  Hans-Peter Nilsson  <hp@axis.com>

        * doc/invoke.texi (Optimize Options) <fstrict-aliasing>: Add
        anchor for the type-punning blurb.  Cross-reference "Structures
        unions enumerations and bit-fields implementation".  Provide a
        cast-through-pointer example.  Make final sentence self-contained.
        * doc/implement-c.texi (Structures unions enumerations and
        bit-fields implementation): Cross-reference the type-punning blurb
        in the -fstrict-aliasing documentation.

2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR middle-end/36594
        * builtins.c (expand_builtin_nonlocal_goto): Stabilize the address of
        the memory instead of the memory itself for the save area.

2008-06-24  Olivier Hainque  <hainque@adacore.com>
            Nicolas Roche  <roche@adacore.com>

        * gengtype.c (srcdir_len): size_t instead of int.
        (get_file_realbasename): New function.  For F a filename, the real
        basename of F, with all the path components stripped.
        (get_file_srcdir_relative_path): New function.  For F a filename, the
        relative path to F from $(srcdir).
        (get_file_basename): Rewrite using get_file_srcdir_relative_path and
        get_file_realbasename.  Adjust the head comment.
        (get_prefix_langdir_index): New function. For F a filename, return the
        lang_dir_names[] relative index of the language directory that is
        a prefix in F.
        (get_file_langdir): For F a filename, return the name of the language
        directory where F is located.
        (get_file_gtfilename): New function. The gt- output file name for an
        input filename F.
        (get_output_file_with_visibility): Replace in-line computations with
        uses of get_file_gtfilename and get_prefix_langdir_index.
        * Makefile.in (GTFILES_H): Adjust to match what gengtype generates.

2008-06-24  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/36504
        * tree-ssa-loop-prefetch.c (gather_memory_references_ref): Skip
        references without base address.

2008-06-23  Uros Bizjak  <ubizjak@gmail.com>

        PR middle-end/36584
        * calls.c (expand_call): Increase alignment for recursive functions.

2008-06-23  Anatoly Sokolov  <aesok@post.ru>

        * config/avr/avr.c (avr_function_value): Add new 'outgoing' argument.
        (TARGET_FUNCTION_VALUE): New define.
        * config/avr/avr-protos.h (avr_function_value): Remove declaration.
        * config/avr/avr.h (FUNCTION_VALUE): Remove.

2008-06-23  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (fmodxf3): Change sequence of move instructions.
        (fmod<mode>3): Ditto.
        (remainderxf3): Ditto.
        (remainder<mode>3): Ditto.

2008-06-23  Jakub Jelinek  <jakub@redhat.com>

        PR target/36533
        * emit-rtl.c (set_reg_attrs_from_value): Do nothing if
        REG is a hard register.

        PR tree-optimization/36508
        * tree-ssa-pre.c (compute_antic): Allow num_iterations up to
        499, don't check it at all in release compilers.

2008-06-23  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*fop_<mode>_1_i387): Use SSE_FLOAT_MODE_P
        together with SSE_TARGET_MATH to disable insn pattern.
        (*fop_<MODEF:mode>_2_i387): Ditto.
        (*fop_<MODEF:mode>_3_i387): Ditto.

2008-06-22  Andy Hutchinson  <hutchinsonandy@aim.com>

        * config/avr/avr.h (SUPPORTS_INIT_PRIORITY): Define.
        
2008-06-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

        PR middle-end/34906
        * gimplify.c (gimplify_asm_expr): Check the return code of
        parse_output_constraint call, set function return and is_inout
        value if it failed.

2008-06-22  Ian Lance Taylor  <iant@google.com>

        * c-lex.c (narrowest_unsigned_type): Change itk to int.
        (narrowest_signed_type): Likewise.
        * c-typeck.c (c_common_type): Change local variable mclass to enum
        mode_class, twice.
        (parser_build_binary_op): Compare the TREE_CODE_CLASS with
        tcc_comparison, not the tree code itself.
        * c-common.c (def_fn_type): Pass int, not an enum, to va_arg.
        (c_expand_expr): Cast modifier to enum expand_modifier.
        * c-common.h (C_RID_CODE): Add casts.
        (C_SET_RID_CODE): Define.
        * c-parser.c (c_parse_init): Use C_SET_RID_CODE.
        (c_lex_one_token): Add cast to avoid warning.
        (c_parser_objc_type_name): Rename local typename to type_name.
        (check_no_duplicate_clause): Change code parameter to enum
        omp_clause_code.
        (c_parser_omp_var_list_parens): Change kind parameter to enum
        omp_clause_code.
        (c_parser_omp_flush): Pass OMP_CLAUSE_ERROR, not 0, to
        c_parser_omp_list_var_parens.
        (c_parser_omp_threadprivate): Likewise.
        * cp/lex.c (init_reswords): Use C_SET_RID_CODE.
        * cp/parser.c (cp_lexer_get_preprocessor_token): Likewise.
        * c-format.c (NO_FMT): Define.
        (printf_length_specs): Use NO_FMT.
        (asm_fprintf_length_specs): Likewise.
        (gcc_diag_length_specs): Likewise.
        (scanf_length_specs): Likewise.
        (strfmon_length_specs): Likewise.
        (gcc_gfc_length_specs): Likewise.
        (printf_flag_specs): Change 0 to STD_C89.
        (asm_fprintf_flag_specs): Likewise.
        (gcc_diag_flag_specs): Likewise.
        (gcc_cxxdiag_flag_specs): Likewise.
        (scanf_flag_specs): Likewise.
        (strftime_flag_specs): Likewise.
        (strfmon_flag_specs): Likewise.
        (print_char_table): Likewise.
        (asm_fprintf_char_table): Likewise.
        (gcc_diag_char_table): Likewise.
        (gcc_tdiag_char_table): Likewise.
        (gcc_cdiag_char_table): Likewise.
        (gcc_cxxdiag_char_table): Likewise.
        (gcc_gfc_char_table): Likewise.
        (scan_char_table): Likewise.
        (time_char_table): Likewis.
        (monetary_char_table): Likewise.
        * c-format.h (BADLEN): Likewise.

2008-06-21  Ian Lance Taylor  <iant@google.com>

        * tree.h (enum tree_code): Include all-tree.def, not tree.def.
        Define END_OF_BASE_TREE_CODES around inclusion.
        * tree.c (tree_code_type): New global array.
        (tree_code_length, tree_code_name): Likewise.
        * Makefile.in (TREE_H): Add all-tree.def, c-common.def, and
        $(lang_tree_files).
        (all-tree.def, s-alltree): New targets.
        (gencheck.h, s-gencheck): Remove.
        (tree.o): Depend upon all-tree.def.
        (build/gencheck.o): Remove gencheck.h dependency.
        (mostlyclean): Don't remove gencheck.h.
        * c-common.h (enum c_tree_code): Remove.
        * c-lang.c (tree_code_type): Remove.
        (tree_code_length, tree_code_name): Remove.
        * gencheck.c (tree_codes): Include all-tree.def, rather than
        tree.def, c-common.def, and gencheck.h.  Undefined DEFTREECODE
        after it is used.
        * tree-browser.c (tb_tree_codes): Include all-tree.def, rather
        than tree.def.
        * cp/cp-tree.h (enum cplus_tree_code): Remove.
        (operator_name_info): Size to MAX_TREE_CODES.
        (assignment_operator_name_info): Likewise.
        * cp/cp-lang.c (tree_code_type): Remove.
        (tree_code_length, tree_code_name): Remove.
        * cp/lex.c (operator_name_info): Size to MAX_TREE_CODES.
        (assignment_operator_name_info): Likewise.
        * cp/decl.c (grok_op_properties): Change LAST_CPLUS_TREE_CODE to
        MAX_TREE_CODES.
        * cp/mangle.c (write_expression): Likewise.
        * cp/Make-lang.in (CXX_TREE_H): Remove cp/cp-tree.def.
        * fortran/f95-lang.c (tree_code_type): Remove.
        (tree_code_length, tree_code_name): Remove.
        * java/java-tree.h (enum java_tree_code): Remove.
        * java/lang.c (tree_code_type): Remove.
        (tree_code_length, tree_code_name): Remove.
        * java/Make-lang.in (JAVA_TREE_H): Remove java/java-tree.def.
        * objc/objc-act.h (enum objc_tree_code): Remove.
        * objc/objc-lang.c (tree_code_type): Remove.
        (tree_code_length, tree_code_name): Remove.
        * objcp/objcp-lang.c (tree_code_type): Remove.
        (tree_code_length, tree_code_name): Remove.
        * ada/ada-tree.h (enum gnat_tree_code): Remove.
        * ada/Make-lang.in (ADA_TREE_H): Remove ada/ada-tre.def.
        * ada/misc.c (tree_code_type): Remove.
        (tree_code_length, tree_code_name): Remove.

2008-06-21  Bernhard Fischer  <aldot@gcc.gnu.org>

        * tree-ssa-pre.c (fini_antic): Bitmap_sets have to be freed before
        the grand_bitmap_obstack.

2008-06-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * ggc.h (GGC_RESIZEVAR): New, reorder macros.
        * tracer.c (tail_duplicate): Fix for -Wc++-compat.
        * tree-affine.c (aff_combination_expand, free_name_expansion): Likewise.
        * tree-cfg.c (replace_by_duplicate_decl, replace_ssa_name,
        move_stmt_r, new_label_mapper): Likewise.
        * tree-complex.c (cvc_lookup): Likewise.
        * tree-dfa.c (create_function_ann): Likewise.
        * tree-dump.c (dump_register): Likewise.
        * tree-if-conv.c (tree_if_conversion, add_to_predicate_list,
        find_phi_replacement_condition): Likewise.
        * tree-inline.c (copy_phis_for_bb, estimate_num_insns_1,
        tree_function_versioning): Likewise.
        * tree-into-ssa.c (cmp_dfsnum): Likewise.
        * tree-iterator.c (tsi_link_before, tsi_link_after): Likewise.
        * tree-nested.c (lookup_field_for_decl, lookup_tramp_for_decl,
        get_nonlocal_debug_decl, convert_nonlocal_reference,
        convert_nonlocal_omp_clauses, get_local_debug_decl,
        convert_local_reference, convert_local_omp_clauses,
        convert_nl_goto_reference, convert_nl_goto_receiver,
        convert_tramp_reference, convert_call_expr): Likewise.
        * tree-outof-ssa.c (contains_tree_r): Likewise.
        * tree-parloops.c (reduction_phi, initialize_reductions,
        eliminate_local_variables_1, add_field_for_reduction,
        add_field_for_name, create_phi_for_local_result,
        create_call_for_reduction_1, create_loads_for_reductions,
        create_stores_for_reduction, create_loads_and_stores_for_name):
        Likewise.
        * tree-phinodes.c (allocate_phi_node): Likewise.
        * tree-predcom.c (order_drefs, execute_pred_commoning_cbck): Likewise.
        * tree-sra.c (sra_elt_hash, sra_elt_eq, lookup_element): Likewise.
        * tree-ssa-alias.c (get_mem_sym_stats_for): Likewise.
        * tree-ssa-coalesce.c (compare_pairs): Likewise.
        * tree-ssa-loop-im.c (mem_ref_in_stmt, memref_hash, memref_eq,
        memref_free, gather_mem_refs_stmt, vtoe_hash, vtoe_eq, vtoe_free,
        record_vop_access, get_vop_accesses, get_vop_stores): Likewise.
        * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise. 
        * tree-ssa-sccvn.c (VN_INFO_GET, free_phi, free_reference,
        vn_nary_op_insert): Likewise.
        * tree-ssa.c (redirect_edge_var_map_add,
        redirect_edge_var_map_clear, redirect_edge_var_map_dup): Likewise.
        * tree-vectorizer.c (vectorize_loops): Likewise.
        * tree.c (make_node_stat, copy_node_stat, build_int_cst_wide,
        build_fixed, build_real, make_tree_binfo_stat, make_tree_vec_stat,
        tree_cons_stat, build1_stat, build_variant_type_copy,
        decl_init_priority_lookup, decl_fini_priority_lookup,
        decl_priority_info, decl_restrict_base_lookup,
        decl_restrict_base_insert, decl_debug_expr_lookup,
        decl_debug_expr_insert, decl_value_expr_lookup,
        decl_value_expr_insert, type_hash_eq, type_hash_lookup,
        type_hash_add, get_file_function_name, tree_check_failed,
        tree_not_check_failed, tree_range_check_failed,
        omp_clause_range_check_failed, build_omp_clause,
        build_vl_exp_stat): Likewise.
        * value-prof.c (gimple_histogram_value,
        gimple_duplicate_stmt_histograms): Likewise.
        * var-tracking.c (attrs_list_insert, attrs_list_copy,
        unshare_variable, variable_union_info_cmp_pos, variable_union,
        dataflow_set_different_1, dataflow_set_different_2,
        vt_find_locations, variable_was_changed, set_variable_part,
        emit_notes_for_differences_1, emit_notes_for_differences_2): Likewise.
        * varasm.c (prefix_name, emutls_decl, section_entry_eq,
        section_entry_hash, object_block_entry_eq,
        object_block_entry_hash, create_block_symbol,
        initialize_cold_section_name, default_function_rodata_section,
        strip_reg_name, set_user_assembler_name, const_desc_eq,
        build_constant_desc, output_constant_def, lookup_constant_def,
        const_desc_rtx_hash, const_desc_rtx_eq, const_rtx_hash_1,
        create_constant_pool, force_const_mem, compute_reloc_for_rtx_1,
        default_internal_label): Likewise.
        * varray.c (varray_init, varray_grow): Likewise.
        * vec.c (vec_gc_o_reserve_1, vec_heap_o_reserve_1): Likewise.

2008-06-20  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*jcc_fused_1): Handle all valid compare
        operators for "test" insn.  Macroize insn using SWI mode macro.
        (*jcc_fused_2): Ditto.
        (*jcc_fused_3): Macroize insn using SWI mode macro.
        (*jcc_fused_4): Ditto.

2008-06-20  Bernhard Fischer  <aldot@gcc.gnu.org>

        * tree-ssa-pre.c: Fix typo in comment.
        (init_antic, fini_antic): Add explicit funtions for
        initializing and deinitializing ANTIC and AVAIL sets.
        (create_expression_by_pieces): Fix typo in comment.
        Remove redundant set of new_stuff and use NULL_TREE instead of NULL.
        (execute_pre): Eventually dump details about ANTIC_IN.

2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * collect2.c (main, add_to_list): Fix for -Wc++-compat.
        * gcc.c (translate_options, init_spec, store_arg, read_specs,
        add_to_obstack, file_at_path, find_a_file, execute,
        add_preprocessor_option, add_assembler_option, add_linker_option,
        process_command, insert_wrapper, do_option_spec, do_self_spec,
        spec_path, do_spec_1, is_directory, main, used_arg,
        getenv_spec_function): Likewise.
        * tlink.c (symbol_hash_lookup, file_hash_lookup,
        demangled_hash_lookup, symbol_push, file_push, frob_extension):
        Likewise.

2008-06-19  Kenneth Zadeck <zadeck@naturalbridge.com>

        * doc/rtl.texi: Updated subreg section.

2008-06-19  Jakub Jelinek  <jakub@redhat.com>

        PR c++/36523
        * cgraphunit.c (cgraph_process_new_functions): Don't clear
        node->needed and node->reachable.
        * cgraphbuild.c (record_reference): Handle OMP_PARALLEL and OMP_TASK.
        * omp-low.c (delete_omp_context): Call finalize_task_copyfn.
        (expand_task_call): Don't call expand_task_copyfn.
        (expand_task_copyfn): Renamed to...
        (finalize_task_copyfn): ... this.

2008-06-19  Jan Hubicka  <jh@suse.cz>

        * builtins.c (expand_builtin_nonlocal_goto): Stabilize r_sp before
        clobbering framepointer.

2008-06-19  Jan Hubicka  <jh@suse.cz>

        * tree-optimize.c (execute_early_local_optimizations): Set
        cgraph_state only at first invocation.

2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * system.h (-Wc++-compat): Activate as a warning, no an error.

2008-06-19  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*jcc_fused_1): Use ASM_COMMENT_START
        instead of "#" in insn asm template.
        (*jcc_fused_2): Ditto.

2008-06-19  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.h (ix86_tune_indices)
        [X86_TUNE_FUSE_CMP_AND_BRANCH]: New.
        (TARGET_FUSE_CMP_AND_BRANCH): New define.
        * config/i386/i386.md (*jcc_fused_1): New insn pattern
        (*jcc_fused_2): Ditto.
        * config/i386/i386.c (ix86_tune_features): Add m_CORE2 to
        X86_TUNE_FUSE_CMP_AND_BRANCH targets.
        (print operand): Handle 'E' and 'e' code.

2008-06-19  Anatoly Sokolov  <aesok@post.ru>

        * config/avr/avr.c (avr_mcu_t): Add attiny13a.
        * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
        * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).

2008-06-19  Bernhard Fischer  <aldot@gcc.gnu.org>

        * cgraphunit.c (cgraph_finalize_function): Remove redundant setting of
        node->decl.
        (cgraph_expand_function): Use local copy of decl.
        (cgraph_expand_all_functions): Remove redundant initialization of
        order_pos.
        (cgraph_optimize): Reword internal_error message.

2008-06-19  Chung-Lin Tang  <ctang@marvell.com>

        * arm-protos.h (arm_return_in_memory): Remove public
        arm_return_in_memory() prototype.
        * arm.c (arm_return_in_memory): Add static prototype, add target
        hook macro, change definition and comments.
        * arm.h (TARGET_RETURN_IN_MEMORY): Remove.

2008-06-19  Ben Elliston  <bje@au.ibm.com>

        * dfp.h, dfp.c, config/dfp-bit.h, config/dfp-bit.c, real.h,
        real.c: Remove references to IEEE 754R.
        * doc/install.texi (Configuration): IEEE 754R -> IEEE 754-2008.
        * doc/libgcc.texi (Decimal float library routines): Likewise.

2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * targhooks.h (struct gcc_target): New member unwind_word_mode.
        (default_unwind_word_mode): Add prototype.
        * targhooks.c (default_unwind_word_mode): New function.
        (default_eh_return_filter_mode): Return targetm.unwind_word_mode ()
        instead of word_mode.
        * target-def.h (TARGET_UNWIND_WORD_MODE): New macro.
        (TARGET_INITIALIZER): Use it.

        * c-common.c (handle_mode_attribute): Support "unwind_word"
        mode attribute.
        * unwind-generic.h (_Unwind_Word, _Unwind_Sword): Use it.

        * except.c (init_eh): Use targetm.unwind_word_mode () instead of
        word_mode to access SjLj_Function_Context member "data".
        (sjlj_emit_dispatch_table): Likewise.  Also, perform type
        conversion from targetm.eh_return_filter_mode () to
        targetm.unwind_word_mode () if they differ.

        * builtin-types.def (BT_UNWINDWORD): New primitive type.
        (BT_FN_UNWINDWORD_PTR): New function type.
        (BT_FN_WORD_PTR): Remove.
        * builtins.def (BUILT_IN_EXTEND_POINTER): Use BT_FN_UNWINDWORD_PTR.
        * except.c (expand_builtin_extend_pointer): Convert pointer to
        targetm.unwind_word_mode () instead of word_mode.

        * config/spu/spu-protos.h (spu_eh_return_filter_mode): Remove.
        * config/spu/spu.c (spu_eh_return_filter_mode): Remove.
        (spu_unwind_word_mode): New function.
        (TARGET_EH_RETURN_FILTER_MODE): Do not define.
        (TARGET_UNWIND_WORD_MODE): Define.
        * config/spu/t-spu-elf (TARGET_LIBGCC2_CFLAGS): Remove -D__word__=SI.

2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (reg_align): Remove.
        (regno_aligned_for_load): Also accept ARG_POINTER_REGNUM.
        (spu_split_load): Use regno_aligned_for_load instead of reg_align.
        (spu_split_store): Likewise.

2008-06-18  Bernhard Fischer  <aldot@gcc.gnu.org>

        * gcc/tree-vn.c: Fix typo in comment.

2008-06-18  Jan Hubicka  <jh@suse.cz>

        * cgraphunit.c (cgraph_optimize): Output debug info when doing
        toplevel reorder too.

2008-06-18  Jan Hubicka  <jh@suse.cz>

        * c-opts.c (c_common_post_options): PCH is not compatible with
        no-unit-at-a-time.
        * opts.c (handle_options): Enable unit-at-a-time at O0 along with
        -fno-toplevel-reorder by default now.

2008-06-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR documentation/30739
        * doc/install.texi (Prerequisites): Document dependency on awk.

2008-06-18  Uros Bizjak  <ubizjak@gmail.com>
            Ian Lance Taylor  <iant@google.com>

        PR rtl-optimization/35604
        * jump.c (redirect_exp_1): Skip the condition of an IF_THEN_ELSE. We
        only want to change jump destinations, not eventual label comparisons.

2008-06-16  Jan Hubicka  <jh@suse.cz>

        * cgraphunit.c (cgraph_expand_pending_functions): Give up at
        syntax errors.
        (cgraph_analyze_function): Likewise.

2008-06-16  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (cgraph_mark_if_needed): New function.
        * cgraphunit.c (cgraph_mark_if_needed): New function.
        * c-decl.c (duplicate_decl): Use it.

2008-06-16  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_add_new_function): When in expansion state, do
        lowering.

2008-06-16  Jan Hubicka  <jh@suse.cz>

        * tree-outof-ssa.c (pass_out_of_ssa): Do not depend on PROP_alias.

2008-06-16  Daniel Jacobowitz  <dan@codesourcery.com>
            Kazu Hirata  <kazu@codesourcery.com>
            Maxim Kuvyrkov  <maxim@codesourcery.com

        * config.gcc (mips64el-st-linux-gnu): Use mips/st.h and mips/t-st.
        * config.host: Use driver-native.o and mips/x-native for mips*-linux*.
        * config/mips/linux.h (host_detect_local_cpu): Declare, add to
        EXTRA_SPEC_FUNCTIONS.
        (MARCH_MTUNE_NATIVE_SPECS, BASE_DRIVER_SELF_SPECS): New macros.
        (DRIVER_SELF_SPECS): Adjust.
        * config/mips/linux64.h (DRIVER_SELF_SPECS): Update.
        * config/mips/st.h, config/mips/t-st: New.
        * config/mips/driver-native.c, config/mips/x-native: New.
        * doc/invoke.texi (MIPS): Document 'native' value for -march and
        -mtune options.

2008-06-18  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * config/mips/mips.h (ISA_HAS_CONDMOVE): Slice ISA_HAS_FP_CONDMOVE
        from it.
        (ISA_HAS_FP_CONDMOVE): New macro.
        (ISA_HAS_FP_MADD4_MSUB4, ISA_HAS_FP_MADD3_MSUB3): New macros.
        (ISA_HAS_NMADD_NMSUB): Rename to ISA_HAS_NMADD4_NMSUB4.
        (ISA_HAS_NMADD3_NMSUB3): New macro.
        * config/mips/mips.c (mips_rtx_costs): Update.
        * config/mips/mips.md (MOVECC): Don't use FP conditional moves when
        compiling for ST Loongson 2E/2F.
        (madd<mode>): Rename to madd4<mode>.  Update.
        (madd3<mode>): New pattern.
        (msub<mode>): Rename to msub4<mode>.  Update.
        (msub3<mode>): New pattern.
        (nmadd<mode>): Rename to nmadd4<mode>.  Update.
        (nmadd3<mode>): New pattern.
        (nmadd<mode>_fastmath): Rename to nmadd4<mode>_fastmath.  Update.
        (nmadd3<mode>_fastmath): New pattern.
        (nmsub<mode>): Rename to nmsub4<mode>.  Update.
        (nmsub3<mode>): New pattern.
        (nmsub<mode>_fastmath): Rename to nmsub4<mode>_fastmath.  Update.
        (nmsub3<mode>_fastmath): New pattern.
        (mov<SCALARF:mode>_on_<MOVECC:mode>, mov<mode>cc): Update.

2008-06-18  Steven Bosscher  <steven@gcc.gnu.org>

        * df.h (struct df_ref): Replace 'insn' field with 'insn_info' field.
        (DF_REF_INSN_INFO): New.
        (DF_REF_INSN, DF_REF_INSN_UID): Rewrite macros using DF_REF_INSN_INFO.
        (DF_REF_IS_ARTIFICIAL): Artificial refs are now identified as refs
        with a NULL DF_REF_INSN_INFO.
        (DF_INSN_INFO_GET, DF_INSN_INFO_SET): Renamed from DF_INSN_GET and
        DF_INSN_SET.
        (DF_INSN_INFO_LUID, DF_INSN_INFO_DEFS, DF_INSN_INFO_USES,
        DF_INSN_INFO_EQ_USES): New.
        (DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES, DF_INSN_EQ_USES,
        DF_INSN_UID_LUID, DF_INSN_UID_DEFS, DF_INSN_UID_USES,
        DF_INSN_UID_EQ_USES): Rewrite using DF_INSN_INFO_* macros.
        * df-core.c: Update comment for above changes.
        (df_insn_debug_regno): Use DF_INSN_INFO_GET instead of INSN_UID and
        DF_INSN_UID_* macros.
        (df_ref_debug): Check for NULL DF_REF_INSN_INFO.
        * df-scan.c (df_ref_record): Take a df_insn_info instead of an
        insn rtx.  Update all callers.
        (df_def_record_1, df_defs_record, df_uses_record, df_get_call_refs,
        df_ref_create_structure, df_insn_refs_collect): Likewise.
        (df_ref_equal_p): Compare DF_REF_INSN_INFO pointers for the refs.
        * df-problems.c (df_chain_dump): Test for non-NULL DF_REF_INSN_INFO.
        (df_live_bb_local_compute): Retrieve DF_INSN_INFO, use DF_INSN_INFO_*
        macros to access the insn refs.
        (df_chain_top_dump, df_chain_bottom_dump, df_byte_lr_alloc): Likewise.
        * fwprop.c (use_killed_between): Use DF_REF_INSN accessor macro.
        (all_uses_available): Retrieve DF_INSN_INFO for def_insn, and use it
        for accessing the refs.
        (try_fwprop_subst): Likewise.
        * ddg.c (add_cross_iteration_register_deps): Use DF_REF_INSN macro.
        * web.c (union_defs): Retrieve DF_INSN_INFO for def_insn, and use it
        for accessing the refs.
        * loop-invariant.c (invariant_for_use): Use DF_REF_BB macro.
        (check_dependencies): Use DF_INSN_INFO_GET, use DF_INSN_INFO_* macros
        to look at the insn refs.
        (record_uses): Likewise.
        * dce.c (deletable_insn_p): Don't tolerate artificial DEFs in this
        function anymore.
        (mark_artificial_uses): Don't mark_insn for artificial refs.
        (mark_reg_rependencies): Likewise.

        * doc/rtl.texi: Remove documentation of ADDRESSOF.

2008-06-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * configure: Regenerate.

2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>

        * config/avr/avr.c (avr_mcu_t): Remove atmega32hvb.
        * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise. 
        * config/avr/t-avr (MULTILIB_MATCHES): Likewise. 

2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>

        * config/avr/avr.c (avr_mcu_t): Add attiny167.
        * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise. 
        * gcc/config/avr/t-avr (MULTILIB_MATCHES): Likewise. 

2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>

        * config/avr/avr.c (avr_mcu_t): Add atmega32u4.
        * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise. 
        * config/avr/t-avr (MULTILIB_MATCHES): Likewise. 

2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>

        * tree-ssa-sccvn.c: Fix format of comments.

2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>

        * cgraph.c: Remove unneeded forward declarations of eq_node()
        and hash_node().

2008-06-17  Steven Bosscher  <steven@gcc.gnu.org>

        * see.c (see_analyse_one_def): Do not look for REG_LIBCALL and
        REG_RETVAL notes.
        (see_update_relevancy): Likewise.
        * fwprop.c (try_fwprop_subst): Likewise.
        * rtlanal.c (noop_move_p): Likewise.
        * builtins.c (expand_buitlin_mathfn): Don't try to add REG_EQUAL
        notes to non-existing libcall blocks.
        * cse.c (cse_insn): Change prototype.  Don't update libcall notes.
        Remove orig_set.
        (cse_extended_basic_block): Don't track libcall and no-conflict notes.
        (dead_libcall_p): Remove.
        (delete_trivially_dead_insns): Don't use it.
        * web.c (union_defs): Remove comment about keeping nops.
        * gcse.c (hash_scan_insn): Don't take libcall pointers.
        (compute_hash_table_work): Don't track libcall notes.
        (do_local_cprop): Don't take libcall pointers.  Don't update
        libcall notes.
        (adjust_libcall_notes): Deleted.
        (local_cprop_pass): Remove stack for nested libcalls (which shouldn't
        ever have existed in the first place).
        (replace_store_insn): Don't try to remove libcall notes.
        * lower-subreg.c (move_libcall_note, move_retval_note): Deleted.
        (resolve_reg_notes): Don't call them.
        (resolve_simple_move): Likewise.
        (decompose_multiword_subregs): Remove block handling REG_RETVAL notes.
        Don't remove REG_RETVAL notes.
        * emit-rtl.c (try_split): Don't update libcall notes.
        (emit_copy_of_insn_after): Dito.
        * cselib.c (cselib_current_insn_in_libcall): Remove.
        (cselib_process_insn): Don't set/clear it.
        (new_elt_loc_list): Don't record it.
        (cselib_init): Don't initialize it.
        * cselib.c (struct elt_loc_list): Remove in_libcall field.
        * loop-invariant.c (find_invariant_insn): Don't look for libcall
        notes.
        * sched-deps.c (sched_analyze_insn): Don't group libcall blocks.
        (sched_analyze): Don't set up deps->libcall_block_tail_insn.
        (init_deps): Don't initialize it.
        * sched-int.h (struct deps): Rremove libcall_block_tail_insn field.
        * combine.c (delete_noop_moves): Don't update libcall notes.
        (can_combine_p): Remove now pointless #if 0 block.
        (try_combine): Remove another obsolete #if 0 block.
        (distribute_notes): Don't distribute libcall notes.
        * reg-notes.def (REG_LIBCALL, REG_RETVAL): Remove.
        * dce.c (libcall_dead_p): Remove.
        (delete_unmarked_insns): Don't handle libcall blocks.
        (preserve_libcall_for_dce): Remove.
        (prescan_insns_for_dce): Don't special-case libcall block insns.
        * reload1 (reload): Don't handle libcall notes. 
        * doc/rtl.texi (REG_LIBCALL, REG_RETVAL, REG_LIBCALL_ID): Remove
        documentation.

2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>

        * config/avr/avr.c (avr_mcu_t): Add atmega32c1.
        * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
        * config/avr/t-avr (MULTILIB_MATCHES): Likewise.

2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>

        * config/avr/avr.c (avr_mcu_t): Add atmega32m1.
        * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
        * config/avr/t-avr (MULTILIB_MATCHES): Likewise. 

2008-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * Makefile.in (FLAGS_TO_PASS): Add $(datarootdir).

2008-06-16  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/36493
        * tree-vect-transform.c (vect_create_data_ref_ptr): Remove TYPE from
        the arguments list. Use VECTYPE to create vector pointer.
        (vectorizable_store): Fail if accesses through a pointer to vectype
        do not alias the original memory reference operands.
        Call vect_create_data_ref_ptr without the removed argument.
        (vectorizable_load): Likewise.
        (vect_setup_realignment): Call vect_create_data_ref_ptr without the
        removed argument.

2008-06-015  Andy Hutchinson  <hutchinsonandy@aim.com>

        PR target/36336
        * config/avr/avr.h (LEGITIMIZE_RELOAD_ADDRESS): Add check for 
        reg_equiv_constant.

2008-06-15  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * config/mips/loongson2ef.md: New file.
        * config/mips/mips.md (UNSPEC_LOONGSON_ALU1_TURN_ENABLED_INSN)
        (UNSPEC_LOONGSON_ALU2_TURN_ENABLED_INSN)
        (UNSPEC_LOONGSON_FALU1_TURN_ENABLED_INSN)
        (UNSPEC_LOONGSON_FALU2_TURN_ENABLED_INSN): New constants.
        (define_attr "cpu"): Rename loongson2e and loongson2f to loongson_2e
        and loongson_2f.
        (loongson2ef.md): New include.
        * config/mips/loongson.md (vec_pack_ssat_<mode>, vec_pack_usat_<mode>)
        (add<mode>3, paddd, ssadd<mode>3, usadd<mode>3)
        (loongson_and_not_<mode>, loongson_average_<mode>, loongson_eq_<mode>)
        (loongson_gt_<mode>, loongson_extract_halfword)
        (loongson_insert_halfword_0, loongson_insert_halfword_2)
        (loongson_insert_halfword_3, loongson_mult_add, smax<mode>3)
        (umax<mode>3, smin<mode>3, umin<mode>3, loongson_move_byte_mask)
        (umul<mode>3_highpart, smul<mode>3_highpart, loongson_smul_lowpart)
        (loongson_umul_word, loongson_pasubub, reduc_uplus_<mode>)
        (loongson_psadbh, loongson_pshufh, loongson_psll<mode>)
        (loongson_psra<mode>, loongson_psrl<mode>, sub<mode>3, psubd)
        (sssub<mode>3, ussub<mode>3, vec_interleave_high<mode>)
        (vec_interleave_low<mode>): Define type attribute.
        * config/mips/mips.c (mips_ls2): New static variable.
        (mips_issue_rate): Update to handle tuning for Loongson 2E/2F.
        (mips_ls2_init_dfa_post_cycle_insn, mips_init_dfa_post_cycle_insn)
        (sched_ls2_dfa_post_advance_cycle, mips_dfa_post_advance_cycle):
        Implement target scheduling hooks.
        (mips_multipass_dfa_lookahead): Update to handle tuning for
        Loongson 2E/2F.
        (mips_sched_init): Initialize data for Loongson scheduling.
        (mips_ls2_variable_issue): New static function.
        (mips_variable_issue): Update to handle tuning for Loongson 2E/2F.
        Add sanity check.
        (TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN)
        (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Override target hooks.
        * config/mips/mips.h (TUNE_LOONGSON_2EF): New macros.
        (ISA_HAS_XFER_DELAY, ISA_HAS_FCMP_DELAY, ISA_HAS_HILO_INTERLOCKS):
        Handle ST Loongson 2E/2F cores.
        (CPU_UNITS_QUERY): Define macro to enable querying of DFA units.

2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * omp-low.c (extract_omp_for_data): Fix comment typo.
        * c.opt: Fix typo.

2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/sourcebuild.texi (Config Fragments): Remove obsolete
        FIXME note about gcc/config.guess.
        * doc/options.texi (Option file format): Remove non-ASCII bytes.
        * doc/cpp.texi: Expand TABs, drop indentation outside examples.
        * doc/cppopts.texi: Likewise.
        * doc/extend.texi: Likewise.
        * doc/gcc.texi: Likewise.
        * doc/gccint.texi: Likewise.
        * doc/gcov.texi: Likewise.
        * doc/gty.texi: Likewise.
        * doc/hostconfig.texi: Likewise.
        * doc/install.texi: Likewise.
        * doc/invoke.texi: Likewise.
        * doc/loop.texi: Likewise.
        * doc/makefile.texi: Likewise.
        * doc/md.texi: Likewise.
        * doc/passes.texi: Likewise.
        * doc/tm.texi: Likewise.
        * doc/tree-ssa.texi: Likewise.
        * doc/trouble.texi: Likewise.

2008-06-15  Mark Shinwell  <shinwell@codesourcery.com>
            Nathan Sidwell  <nathan@codesourcery.com>
            Maxim Kuvyrkov  <maxim@codesourcery.com>
            Richard Sandiford  <rdsandiford@googlemail.com>
        
        * config/mips/mips-modes.def: Add V8QI, V4HI and V2SI modes.
        * config/mips/mips-protos.h (mips_expand_vector_init): New.
        * config/mips/mips-ftypes.def: Add function types for Loongson-2E/2F
        builtins.
        * config/mips/mips.c (mips_split_doubleword_move): Handle new modes.
        (mips_hard_regno_mode_ok_p): Allow 64-bit vector modes for Loongson.
        (mips_vector_mode_supported_p): Add V2SImode, V4HImode and
        V8QImode cases.
        (LOONGSON_BUILTIN, LOONGSON_BUILTIN_ALIAS): New.
        (CODE_FOR_loongson_packsswh, CODE_FOR_loongson_packsshb,
        (CODE_FOR_loongson_packushb, CODE_FOR_loongson_paddw,
        (CODE_FOR_loongson_paddh, CODE_FOR_loongson_paddb,
        (CODE_FOR_loongson_paddsh, CODE_FOR_loongson_paddsb)
        (CODE_FOR_loongson_paddush, CODE_FOR_loongson_paddusb)
        (CODE_FOR_loongson_pmaxsh, CODE_FOR_loongson_pmaxub)
        (CODE_FOR_loongson_pminsh, CODE_FOR_loongson_pminub)
        (CODE_FOR_loongson_pmulhuh, CODE_FOR_loongson_pmulhh)
        (CODE_FOR_loongson_biadd, CODE_FOR_loongson_psubw)
        (CODE_FOR_loongson_psubh, CODE_FOR_loongson_psubb)
        (CODE_FOR_loongson_psubsh, CODE_FOR_loongson_psubsb)
        (CODE_FOR_loongson_psubush, CODE_FOR_loongson_psubusb)
        (CODE_FOR_loongson_punpckhbh, CODE_FOR_loongson_punpckhhw)
        (CODE_FOR_loongson_punpckhwd, CODE_FOR_loongson_punpcklbh)
        (CODE_FOR_loongson_punpcklhw, CODE_FOR_loongson_punpcklwd): New.
        (mips_builtins): Add Loongson builtins.
        (mips_loongson_2ef_bdesc): New.
        (mips_bdesc_arrays): Add mips_loongson_2ef_bdesc.
        (mips_builtin_vector_type): Handle unsigned versions of vector modes.
        (MIPS_ATYPE_UQI, MIPS_ATYPE_UDI, MIPS_ATYPE_V2SI, MIPS_ATYPE_UV2SI)
        (MIPS_ATYPE_V4HI, MIPS_ATYPE_UV4HI, MIPS_ATYPE_V8QI, MIPS_ATYPE_UV8QI):
        New.
        (mips_expand_vector_init): New.
        * config/mips/mips.h (HAVE_LOONGSON_VECTOR_MODES): New.
        (TARGET_CPU_CPP_BUILTINS): Define __mips_loongson_vector_rev
        if appropriate.
        * config/mips/mips.md: Add unspec numbers for Loongson
        builtins.  Include loongson.md.
        (MOVE64): Include Loongson vector modes.
        (SPLITF): Include Loongson vector modes.
        (HALFMODE): Handle Loongson vector modes.
        * config/mips/loongson.md: New.
        * config/mips/loongson.h: New.
        * config.gcc: Add loongson.h header for mips*-*-* targets.
        * doc/extend.texi (MIPS Loongson Built-in Functions): New.

2008-06-14  Joseph Myers  <joseph@codesourcery.com>

        * config.gcc (arc-*-elf*, avr-*-*, fr30-*-elf, frv-*-elf,
        h8300-*-elf*, h8300-*-*, i[34567]86-*-elf*, x86_64-*-elf*,
        i[34567]86-*-aout*, i[34567]86-*-coff*, ia64*-*-elf*,
        iq2000*-*-elf*, m32r-*-elf*, m32rle-*-elf*, m32r-*-linux*,
        m32rle-*-linux*, m68hc11-*-*|m6811-*-*, m68hc12-*-*|m6812-*-*,
        m68k-*-coff*, mcore-*-elf, mcore-*-pe*, mipsisa64sr71k-*-elf*,
        mipsisa64sb1-*-elf* | mipsisa64sb1el-*-elf*, mips-*-elf* |
        mipsel-*-elf*, mips64-*-elf* | mips64el-*-elf*, mips64vr-*-elf* |
        mips64vrel-*-elf*, mips64orion-*-elf* | mips64orionel-*-elf*,
        mipstx39-*-elf* | mipstx39el-*-elf*, mn10300-*-*, pdp11-*-,
        powerpc-*-elf*, powerpcle-*-elf*, sh-*-elf* | sh[12346l]*-*-elf* |
        sh-*-symbianelf* | sh[12346l]*-*-symbianelf* | sh-*-linux* |
        sh[2346lbe]*-*-linux* | sh-*-netbsdelf* | shl*-*-netbsdelf* |
        sh5-*-netbsd* | sh5l*-*-netbsd* | sh64-*-netbsd* |
        sh64l*-*-netbsd*, sh-*-*, sparc-*-elf*, sparc64-*-elf*,
        v850e1-*-*, v850e-*-*, v850-*-*, xstormy16-*-elf, m32c-*-elf*):
        Remove use_fixproto=yes.
        (ia64*-*-hpux*): Remove comment about using fixproto.
        (m68k-*-uclinuxoldabi*, m68k-*-uclinux*): Remove use_fixproto=no.

2008-06-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * configure.ac: Update gthr-default.h lazily, to avoid unneeded
        library rebuilds.
        * configure: Regenerate.

2008-06-13  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/36520
        * builtins.c (get_memory_rtx): Test for the presence of DECL_SIZE_UNIT
        before evaluating it.

2008-06-13  Jakub Jelinek  <jakub@redhat.com>

        PR c/36507
        * c-decl.c (merge_decls): Don't clear DECL_EXTERNAL for
        nested inline functions.
        (start_decl, start_function): Don't invert DECL_EXTERNAL
        for nested inline functions.

2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.md: Remove TARGET_DEBUG_D_MODE conditions from
        splits that must be made for correctness.

2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (BUILTIN_AVAIL_NON_MIPS16): New macro.
        (AVAIL_NON_MIPS16): Likewise.
        (mips_builtin_description): Replace target_flags with a predicate.
        (paired_single, sb1_paired_single, mips3d, dsp, dspr2, dsp_32)
        (dspr2_32): New availability predicates.
        (MIPS_BUILTIN): New macro.
        (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS)
        (CMP_4S_BUILTINS, MOVTF_BUILTINS, CMP_BUILTINS)
        (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): Use it.
        Replace the TARGET_FLAGS parameters with AVAIL parameters.
        (mips_ps_bdesc, mips_sb1_bdesc, mips_dsp_bdesc)
        (mips_dsp_32only_bdesc): Merge into...
        (mips_builtins): ...this new array.
        (mips_bdesc_map, mips_bdesc_arrays): Delete.
        (mips_init_builtins): Update after above changes.
        (mips_expand_builtin_1): Merge into...
        (mips_expand_builtin): ...here and update after above changes.

2008-06-12  Paul Brook  <paul@codesourcery.com>

        * longlong.h (__arm__): Define count_leading_zeros.
        * config/arm/lib1funcs.asm (xxh, xxl, yyh, yyl): Define.
        (clzsi2, clzdi2): New functions.
        * config/arm/bpabi-v6m.S (xxh, xxl, yyh, yyl): Remove.
        * config/arm/bpabi.S (xxh, xxl, yyh, yyl): Remove.
        * config/arm/t-strongarm-elf (LIB1ASMFUNCS): Ditto.
        * config/arm/t-vxworks (LIB1ASMFUNCS): Ditto.
        * config/arm/t-pe (LIB1ASMFUNCS): Ditto.
        * config/arm/t-arm-elf (LIB1ASMFUNCS): Ditto.
        * config/arm/t-arm-coff (LIB1ASMFUNCS): Ditto.
        * config/arm/t-linux (LIB1ASMFUNCS): Ditto.
        * config/arm/t-symbian (LIB1ASMFUNCS): Ditto.
        * config/arm/t-wince-pe (LIB1ASMFUNCS): Ditto.

2008-06-12  Kazu Hirata  <kazu@codesourcery.com>

        * config/m68k/m68k.c (m68k_tune_flags): New.
        (override_options): Compute m68k_tune_flags.
        (MULL_COST, MULW_COST): Update for various variants of CFV2.
        * config/m68k/m68k.h (TUNE_MAC, TUNE_EMAC): New.

2008-06-12  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/36506
        * omp-low.c (expand_omp_sections): Initialize l2 to avoid bogus warning.

2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-inline.c (copy_body_r): Copy TREE_SIDE_EFFECTS along with
        TREE_THIS_VOLATILE on INDIRECT_REF nodes.

2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>

        * expr.c (store_field): Do a block copy from BLKmode to BLKmode-like.
        (get_inner_reference): Use BLKmode for byte-aligned BLKmode bitfields.

2008-06-12  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/36506
        * omp-low.c (expand_omp_sections): Handle #pragma omp sections with
        reductions.

2008-06-12  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36345
        * tree-flow.h (struct ptr_info_def): Align escape_mask,
        add memory_tag_needed flag.
        (may_alias_p): Declare.
        * tree-ssa-alias.c (may_alias_p): Export.
        (set_initial_properties): Use memory_tag_needed flag.
        (update_reference_counts): Likewise.
        (reset_alias_info): Reset memory_tag_needed flag.
        (create_name_tags): Check memory_tag_needed flag.
        (dump_points_to_info_for): Dump it.
        * tree-ssa-structalias.c (struct variable_info): Remove
        directly_dereferenced flag.
        (new_var_info): Do not initialize it.
        (process_constraint_1): Do not set it.
        (update_alias_info): Set is_dereferenced flag.
        (set_uids_in_ptset): Use may_alias_p.
        (set_used_smts): Check memory_tag_needed flag.
        (find_what_p_points_to): Likewise.  Pass is_dereferenced flag.
        * tree-ssa-alias.c (verify_flow_sensitive_alias_info): Check
        memory_tag_needed flag.
        * tree-ssa-alias-warnings.c (dsa_named_for): Try to recover
        from broken design.

2008-06-12  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/i386.c (ix86_compute_frame_layout): Disable
        red zone for w64 abi.
        (ix86_expand_prologue): Likewise.
        (ix86_force_to_memory): Likewise.
        (ix86_free_from_memory): Likewise.

2008-06-11  Edmar Wienskoski  <edmar@freescale.com>

        PR target/36425
        * config/rs6000/rs6000.c (rs6000_override_options): Set
        rs6000_isel conditionally to the absence of comand line override.
        * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
        Remove duplicate rs6000_isel setting.
        * config/rs6000/eabispe.h: Ditto.

2008-06-11  Richard Guenther  <rguenther@suse.de>

        * alias.c (get_alias_set): Use the element alias-set for arrays.
        (record_component_aliases): For arrays and vectors do nothing.
        * c-common.c (strict_aliasing_warning): Handle the cases
        of alias set zero explicitly.
        * Makefile.in (dfp.o-warn): Add -Wno-error.

2008-06-11  Joseph Myers  <joseph@codesourcery.com>

        * config.gcc (all_defaults): Add arch_32 arch_64 cpu_32 cpu_64
        tune_32 tune_64.
        (i[34567]86-*-* | x86_64-*-*): Add arch_32 arch_64 cpu_32 cpu_64
        tune_32 tune_64 to supported_defaults.  Allow values not
        supporting 64-bit mode for arch_32, cpu_32 and tune_32 for
        x86_64.  Do not override cpu_32 or cpu_64 values from target name.
        (i[34567]86-*-linux*, i[34567]86-*-solaris2.1[0-9]*): Only default
        with_cpu_64 to generic for 64-bit-supporting configurations, not
        with_cpu.  Remove FIXMEs.
        * doc/install.texi (--with-cpu-32, --with-cpu-64, --with-arch-32,
        --with-arch-64, --with-tune-32, --with-tune-64): Document.
        * config/i386/i386.h (OPT_ARCH32, OPT_ARCH64): Define.
        (OPTION_DEFAULT_SPECS): Add tune_32, tune_64, cpu_32, cpu_64,
        arch_32 and arch_64.

2008-06-11  Eric Botcazou  <ebotcazou@adacore.com>
            Olivier Hainque  <hainque@adacore.com>

        * builtins.c (get_memory_rtx): Accept byte-addressable bitfields.
        Use DECL_SIZE_UNIT to retrieve the size of the field.

2008-06-11  Joseph Myers  <joseph@codesourcery.com>

        * config/arm/arm.c (arm_init_neon_builtins): Move initialization
        with function calls after declarations.  Lay out
        neon_float_type_node before further use.

2008-06-11  Richard Guenther  <rguenther@suse.de>

        * tree-flow.h (may_point_to_global_var): Declare.
        * tree-ssa-alias.c (may_point_to_global_var): New function.
        * tree-ssa-sink.c (is_hidden_global_store): Use it.

2008-06-10  Kazu Hirata  <kazu@codesourcery.com>

        * configure.ac: Teach that fido supports .debug_line.
        * configure: Regenerate.

2008-06-10  Tom Tromey  <tromey@redhat.com>

        * c-lex.c (fe_file_change): Pass SOURCE_LINE to start_source_file
        debug hook.

2008-06-10  Joseph Myers  <joseph@codesourcery.com>

        * dfp.c (WORDS_BIGENDIAN): Define to 0 if not defined.
        (encode_decimal64, decode_decimal64, encode_decimal128,
        decode_decimal128): Reverse order of 32-bit parts of value if host
        and target endianness differ.

2008-06-10  Vinodha Ramasamy  <vinodha@google.com>

        * value_prob.c (tree_divmod_fixed_value_transform): Use gcov_type.
        Avoid division by 0.
        (tree_mod_pow2_value_transform): Likewise.
        (tree_ic_transform): Likewise.
        (tree_stringops_transform): Likewise.
        (tree_mod_subtract_transform): Likewise.
        * tree-inline-c (copy_bb): Corrected int type to gcov_type.
        (copy_edges_for_bb): Likewise.
        (initialize_cfun): Likewise.

2008-06-10  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*btdi_rex64): Change operand 1 predicate to
        nonmemory_operand. Add "N" operand constraint.
        (*btsi): Ditto.
        (*jcc_btdi_mask_rex64): New instruction and split pattern.
        (*jcc_btsi_mask): Ditto.
        (*jcc_btsi_mask_1): Ditto.

2008-06-10  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/rs6000.c (build_opaque_vector_type): Set
        TYPE_CANONICAL for copied element type.

2008-06-10  Uros Bizjak  <ubizjak@gmail.com>

        PR target/36473
        * config/i386/i386.c (ix86_tune_features) [TUNE_USE_BT]:
        Add m_CORE2 and m_GENERIC.
        * config/i386/predicates.md (bt_comparison_operator): New predicate.
        * config/i386/i386.md (*btdi_rex64): New instruction pattern.
        (*btsi): Ditto.
        (*jcc_btdi_rex64): New instruction and split pattern.
        (*jcc_btsi): Ditto.
        (*jcc_btsi_1): Ditto.
        (*btsq): Fix Intel asm dialect operand order.
        (*btrq): Ditto.
        (*btcq): Ditto.

2008-06-09  Andy Hutchinson  <hutchinsonandy@aim.com>

        PR middle-end/36447
        * simplify-rtx.c (simplify_subreg): Add check for shift count 
        greater than size.

2008-06-09  Richard Sandiford  <rdsandiford@googlemail.com>

        * doc/md.texi: Synchronize with later constraints.md change.
        * longlong.h (umul_ppmm): Replace the MIPS asm implementation
        with a C implementation.
        * config/mips/mips.c (mips_legitimize_move): Remove MFHI and
        MFLO handling.
        (mips_subword): Assume TImode for CONST_INTs if TARGET_64BIT.
        (mips_split_doubleword_move): Use special MTHI and MFHI instructions
        when moving to and from MD_REGNUM.
        (mips_output_move): Don't handle moves from GPRs to HI_REGNUM.
        Handle moves from LO_REGNUM to GPRs using MFLO, MACC or DMACC.
        Handle byte and halfword moves.
        (mips_hard_regno_mode_ok_p): Handle MD_REGS and DSP_ACC_REGS
        separately.
        * config/mips/constraints.md (h): Turn into NO_REGS.
        (l, x): Update documentation.
        * config/mips/mips.md (UNSPEC_MFHILO): Delete.
        (UNSPEC_MFHI, UNSPEC_MTHI, UNSPEC_SET_HILO): New.
        (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): Renumber.
        (HILO): New mode iterator.
        (MOVE128): Add TI.
        (any_div): New code iterator.
        (u): Extend code attribute to div and udiv.
        (*add<mode>3_mips16, *movdi_64bit_mips16, *movsi_mips16): Use
        d_operand in the splitters.  Remove redundant CONST_INT checks.
        (mulsi3_mult3, mul<mode>3_internal, mul<mode>3_r4000, *mul_acc_si)
        (*macc, *msac, *msac_using_macc, *macc2, *msac2, *mul_sub_si)
        (*muls): Remove "=h" clobbers.  Adjust peephole2s and define_splits
        accordingly, using normal moves instead of unspecs to move LO into
        a GPR.  Use d_operand and lo_operand instead of *_REG_P checks.
        (<u>mulsidi3): Handle expansion in C code.
        (<u>mulsidi3_32bit_internal): Rename to...
        (<u>mulsidi3_32bit): ...this.
        (<u>mulsidi3_32bit_r4000): Fix insn separator.
        (*<u>mulsidi3_64bit): Rename to...
        (<u>mulsidi3_64bit): ...this.  Combine DImode "=h" and "=l" clobbers
        into a TImode "=x" clobber.  In the split, use an UNSPEC_SET_HILO
        to set LO and HI to the multiplication result.  Use a normal move
        for MFLO and an unspec for MFHI.
        (*<u>mulsidi3_64bit_parts): Replace with...
        (<u>mulsidi3_64bit_hilo): ...this new instruction.
        (<su>mulsi3_highpart): Extend to TARGET_FIX_R4000.
        (<su>mulsi3_highpart_internal): Turn into a define_insn_and_split
        and extend it to TARGET_FIX_R4000.  Store the destination in a GPR
        instead of HI.  Split the instruction into a separate multiplication
        and MFHI if !TARGET_FIX_R4000.
        (<su>muldi3_highpart): Likewise.
        (<su>mulsi3_highpart_mulhi_internal): Remove the first alternative
        and the "=h" clobber.
        (*<su>mulsi3_highpart_neg_mulhi_internal): Likewise.
        (<u>mulditi3): New expander.
        (<u>mulditi3_internal, <u>mulditi3_r4000): New patterns.
        (madsi): Remove "=h" clobber.
        (divmod<mode>4, udivmod<mode>4): Turn into define_insn_and_splits.
        Force the modulus result to be a GPR and split the instruction into
        a division followed by an MFHI after reload.
        (<u>divmod<GPR:mode>4_hilo_<HILO:mode>): New instruction.
        (*lea_high64): Use d_operand in the define_peephole2.  Likewise
        the MIPS16 HIGH define_split.
        (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16): Change type
        of acc<->gpr moves to "multi".
        (*movdi_64bit): Replace the single "x" alternative with
        alternatives for moving into and out of "a".
        (*movhi_internal, *movqi_internal): Likewise.  Use mips_output_move.
        (*movsi_internal): Extend the "d<-A" alternative to "d<-a".
        (*movdi_64bit_mips16, *movsi_mips16): Add d<-a alternatives.
        Use d_operand in the splitters.  Remove redundant CONST_INT checks.
        (*movhi_mips16, *movqi_mips16): Likewise.  Use mips_output_move.
        (movti): New expander.
        (*movti, *movti_mips16): New insns.
        (mfhilo_<mode>, *mfhilo_<mode>, *mfhilo_<mode>_macc): Delete.
        (mfhi<GPR:mode>_<HILO:mode>): New pattern.
        (mthi<GPR:mode>_<HILO:mode>): Likewise.
        * config/mips/predicates.md (fpr_operand): Delete.
        (d_operand): New predicate.

2008-06-09  Michael Meissner  <michael.meissner@amd.com>

        * config.gcc (i[34567]86-*-*): Put test in quotes to prevent
        failure on some Bourne shells.
        (x86_64-*-*): Ditto.

2008-06-09  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/cygming.h (TARGET_SUBTARGET64_DEFAULT): New.

2008-06-09  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/install.texi (*-*-solaris2*): Remove obsolete contents.
        (sparc-sun-solaris2*): Likewise.

2008-06-09  Arnaud Charlet  <charlet@adacore.com

        * doc/install.texi: Update requirements to build the Ada compiler.

2008-06-08  Steven Bosscher  <stevenb.gcc@gmail.com>

        * df-scan.c (struct df_scan_problem_data): Remove the
        mw_link_pool alloc pool.
        (df_scan_free_internal): Don't free it.
        (df_scan_alloc): Don't allocate it.
        * df.h (struct df_link): Update comment.

2008-06-08  Nathan Sidwell  <nathan@codesourcery.com>

        * except.h: Correct checks for when SJLJ exceptions must be used.

2008-06-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * doc/invoke.texi (Wenum-compare): Mention that it is enabled by
        default.
        
2008-06-08  Joseph Myers  <joseph@codesourcery.com>

        PR tree-optimization/36218
        * configure.ac: Use LDFLAGS="${LDFLAGS_FOR_BUILD}" when running
        configure for the build system.
        (BUILD_LDFLAGS): Define.
        * configure: Regenerate.
        * Makefile.in (BUILD_LDFLAGS): Define to @BUILD_LDFLAGS@.

2008-07-08  Anatoly Sokolov  <aesok@post.ru>

        PR target/36424
        * config/avr/avr.h (HARD_REGNO_RENAME_OK): Define.
        * config/avr/avr.c (avr_hard_regno_rename_ok): New function. 
        * config/avr/avr-protos.h (avr_hard_regno_rename_ok): New prototype. 

2008-06-07  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/cygming.h (MAYBE_UWIN_CPP_BUILTINS): Remove.

2008-06-07  Joseph Myers  <joseph@codesourcery.com>

        * config.gcc (Obsolete configurations): Remove list of
        configurations.
        (Unsupported targets list): Add *-*-linux*aout*, *-*-linux*libc1*,
        *-*-solaris2.[0-6], *-*-solaris2.[0-6].*, *-*-sysv*.  Remove other
        targets matched by those patterns.
        (strongarm*-*-*, ep9312*-*-*, xscale-*-*, parisc*-*-*,
        m680[012]0-*-*, *-*-linux*libc1*, *-*-linux*aout*,
        alpha*-*-unicosmk*, strongarm*-*-freebsd*, ep9312-*-elf,
        arm*-*-kaos*, cris-*-aout, parisc*64*-*-linux*, parisc*-*-linux*,
        hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
        i[34567]86-sequent-ptx4*, i[34567]86-sequent-sysv4*,
        i[34567]86-*-beoself*, i[34567]86-*-beos*, i[34567]86-*-sco3.2v5*,
        i[34567]86-*-sysv5*, i[34567]86-*-sysv4*, i[34567]86-*-uwin*,
        i[34567]86-*-kaos*, m68020-*-elf*, m68010-*-netbsdelf*,
        mips-wrs-windiss, mt-*-elf, powerpc-*-beos*, powerpc-*-chorusos*,
        powerpc-wrs-windiss*, powerpcle-*-sysv*, powerpc-*-kaos*,
        powerpcle-*-kaos*, sh*-*-kaos*, sparc-*-sysv4*, strongarm-*-elf*,
        strongarm-*-pe, strongarm-*-kaos*, vax-*-bsd*, vax-*-sysv*,
        vax-*-ultrix*, xscale-*-elf, xscale-*-coff,
        i[34567]86-*-linux*aout*, i[34567]86-*-linux*libc1): Remove.
        Make code for Solaris 7 and greater unconditional for Solaris.
        (ep9312-*-*, parisc1*, m680[012]0-*-*, parisc*-*-*, mt-*-*):
        Remove --with-* handling.
        * config/rs6000/sysv4.h (-mwindiss): Remove from all specs.
        (LIB_WINDISS_SPEC, CPP_OS_WINDISS_SPEC, STARTFILE_WINDISS_SPEC,
        ENDFILE_WINDISS_SPEC, LINK_START_WINDISS_SPEC,
        LINK_OS_WINDISS_SPEC): Remove.
        * config/rs6000/sysv4.opt (mwindiss): Remove.
        * configure.ac (strongarm*-*-*, xscale*-*-*): Remove.
        * configure: Regenerate.
        * doc/cpp.texi: Don't mention BeOS.
        * doc/extend.texi (interrupt): Don't mention MS1.
        * doc/install.texi: (i386-@var{any}-sysv, m68k-bull-sysv,
        m68k-hp-hpux, m68000-hp-hpux, m68000-att-sysv,
        alphaev5-cray-unicosmk*, xscale-*-*, i?86-*-linux*aout,
        i?86-*-sco3.2v5*, i?86-*-udk, m68k-hp-hpux, powerpc-*-sysv4,
        powerpc-*-sysv4, powerpcle-*-sysv4, *-*-sysv*, vax-dec-ultrix):
        Remove.
        * doc/invoke.texi (MT Options): Remove.
        (-mwindiss): Remove.
        (CRIS Options): Remove cris-axis-aout references.
        (HPPA Options): Don't mention hppa1.1-*-pro.
        * doc/md.texi: (MorphoTech family): Remove.
        * libgcc2.c: Don't handle UWIN.
        * config/alpha/t-unicosmk: Remove.
        * config/alpha/unicosmk.h: Remove.
        * config/arm/kaos-arm.h: Remove.
        * config/arm/kaos-strongarm.h: Remove.
        * config/arm/strongarm-coff.h: Remove.
        * config/arm/strongarm-elf.h: Remove.
        * config/arm/strongarm-pe.h: Remove.
        * config/arm/t-strongarm-pe: Remove.
        * config/arm/t-xscale-coff: Remove.
        * config/arm/t-xscale-elf: Remove.
        * config/arm/xscale-coff.h: Remove.
        * config/arm/xscale-elf.h: Remove.
        * config/chorus.h: Remove.
        * config/cris/aout.h: Remove.
        * config/cris/aout.opt: Remove.
        * config/cris/t-aout: Remove.
        * config/i386/beos-elf.h: Remove.
        * config/i386/kaos-i386.h: Remove.
        * config/i386/ptx4-i.h: Remove.
        * config/i386/sco5.h: Remove.
        * config/i386/sco5.opt: Remove.
        * config/i386/sysv4-cpp.h: Remove.
        * config/i386/sysv5.h: Remove.
        * config/i386/t-beos: Remove.
        * config/i386/t-sco5: Remove.
        * config/i386/t-uwin: Remove.
        * config/i386/uwin.asm: Remove.
        * config/i386/uwin.h: Remove.
        * config/kaos.h: Remove.
        * config/mips/windiss.h: Remove.
        * config/mt: Remove directory.
        * config/pa/pa-osf.h: Remove.
        * config/pa/pa-pro-end.h: Remove.
        * config/pa/t-pro: Remove.
        * config/ptx4.h: Remove.
        * config/rs6000/beos.h: Remove.
        * config/rs6000/kaos-ppc.h: Remove.
        * config/rs6000/t-beos: Remove.
        * config/rs6000/windiss.h: Remove.
        * config/sh/kaos-sh.h: Remove.
        * config/sol2-6.h: Remove.
        * config/sparc/sol26-sld.h: Remove.
        * config/sparc/sysv4-only.h: Remove.
        * config/vax/bsd.h: Remove.
        * config/vax/t-memfuncs: Remove.
        * config/vax/ultrix.h: Remove.
        * config/vax/vaxv.h: Remove.
        * config/windiss.h: Remove.

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

        PR rtl-optimization/36438
        * cse.c (fold_rtx) [ASHIFT, LSHIFTRT, ASHIFTRT]: Break out early
        for vector shifts with constant scalar shift operands.

2008-06-06  Sandip Matte  <sandip@rmicorp.com>

        * doc/invoke.texi: Document -march=xlr.
        * config/mips/xlr.md: New file.
        * config/mips/mips.md: Include it.
        (cpu): Add "xlr".
        * config/mips/mips.h (PROCESSOR_XLR): New processor_type.
        * config/mips/mips.c (mips_cpu_info_table): Add an XLR entry.
        (mips_rtx_cost_data): Likewise.

2008-06-06  Nathan Froyd  <froydnj@codesourcery.com>

        * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Remove
        PRE_INC and PRE_DEC cases.

2008-06-06  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/36419
        * except.c (expand_resx_expr): Call do_pending_stack_adjust () before
        the emitting jump insn.

        PR target/36362
        * gimplify.c (gimplify_expr) <case TRUTH_NOT_EXPR>: If *expr_p type
        is not bool, boolify the whole *expr_p and convert to the desired type.

2008-06-06  Jakub Jelinek  <jakub@redhat.com>

        * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805.
        * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause.
        Add omp_private_outer_ref hook, add another argument to
        omp_clause_default_ctor hook.
        * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define.
        (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define.
        (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to
        hook_tree_tree_tree_tree_null.
        (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and
        LANG_HOOKS_OMP_PRIVATE_OUTER_REF.
        * hooks.c (hook_tree_tree_tree_tree_null): New function.
        * hooks.h (hook_tree_tree_tree_tree_null): New prototype.
        * tree.def (OMP_TASK): New tree code.
        * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN,
        OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT,
        OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT,
        OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES,
        OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY,
        OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG,
        OMP_CLAUSE_COLLAPSE_EXPR): Define.
        (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
        (OMP_DIRECTIVE_P): Add OMP_TASK.
        (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes.
        (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind.
        * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE
        and OMP_CLAUSE_UNTIED entries.
        (omp_clause_num_ops): Likewise.  Increase OMP_CLAUSE_LASTPRIVATE
        num_ops to 2.
        (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
        Walk OMP_CLAUSE_LASTPRIVATE_STMT.
        * tree-pretty-print.c (dump_omp_clause): Handle
        OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE,
        OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
        (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops.
        * c-omp.c (c_finish_omp_for): Allow pointer iterators.  Remove
        warning about unsigned iterators.  Change decl/init/cond/incr
        arguments to TREE_VECs, check arguments for all collapsed loops.
        (c_finish_omp_taskwait): New function.
        (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to
        ws_clauses.
        * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops.  Call
        default_function_array_conversion on init.  Add par_clauses argument.
        If decl is present in parallel's lastprivate clause, change it to
        shared and add lastprivate clause for decl to OMP_FOR_CLAUSES.
        Add clauses argument, on success set OMP_FOR_CLAUSES to it.  Look up
        collapse count in clauses.
        (c_parser_omp_for, c_parser_omp_parallel): Adjust
        c_parser_omp_for_loop callers.
        (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE.
        (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT.
        (c_parser_omp_clause_name): Handle collapse and untied clauses.
        (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New
        functions.
        (c_parser_omp_clause_schedule): Handle schedule(auto).
        Include correct location in the error message.
        (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE
        and PRAGMA_OMP_CLAUSE_UNTIED.
        (OMP_TASK_CLAUSE_MASK): Define.
        (c_parser_omp_task, c_parser_omp_taskwait): New functions.
        (c_parser_omp_construct): Handle PRAGMA_OMP_TASK.
        * tree-nested.c (convert_nonlocal_omp_clauses,
        convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT,
        OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE,
        OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
        Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in
        OMP_CLAUSE_DECL.
        (conver_nonlocal_reference, convert_local_reference,
        convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL.  Use
        OMP_TASKREG_* macros rather than OMP_PARALLEL_*.
        (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes.
        * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK.
        * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes.
        * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New.
        (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New.
        * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions.
        (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
        OMP_CLAUSE_UNTIED.
        * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas.
        * c-common.h (c_finish_omp_taskwait): New prototype.
        * gimple-low.c (lower_stmt): Handle OMP_TASK.
        * tree-parloops.c (create_parallel_loop): Create 1 entry
        vectors for OMP_FOR_{INIT,COND,INCR}.
        * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
        (make_edges): Handle OMP_TASK.
        * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR
        loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
        * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK.
        * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR,
        BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR,
        BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR,
        BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR,
        BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New.
        * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT,
        BUILT_IN_GOMP_LOOP_ULL_STATIC_START,
        BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START,
        BUILT_IN_GOMP_LOOP_ULL_GUIDED_START,
        BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START,
        BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START,
        BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START,
        BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START,
        BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START,
        BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT,
        BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT,
        BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT,
        BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT,
        BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT,
        BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT,
        BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT,
        BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins.
        * gimplify.c (gimplify_omp_for): Allow pointer type for decl,
        handle POINTER_PLUS_EXPR.  If loop counter has been replaced and
        original iterator is present in lastprivate clause or if
        collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT.  Handle collapsed
        OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
        (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK.
        (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF.
        (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed,
        if it is set, lookup var in outer contexts too.  Handle
        OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.  Handle vars that are supposed
        to be implicitly determined firstprivate for task regions.
        (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed,
        if it is set, lookup var in outer contexts too.  Set
        OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set.
        Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and
        OMP_CLAUSE_UNTIED.  Take region_type as last argument
        instead of in_parallel and in_combined_parallel.
        (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
        Adjust callers.
        (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if
        GOVD_PRIVATE_OUTER_REF is set.  Call omp_finish_clause langhook.
        (new_omp_context): Set default_kind to
        OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions.
        (omp_region_type): New enum.
        (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel
        fields, add region_type.
        (new_omp_context): Take region_type as argument instead of is_parallel
        and is_combined_parallel.
        (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable,
        omp_is_private, omp_check_private): Adjust ctx->is_parallel and
        ctx->is_combined_parallel checks.
        (gimplify_omp_task): New function.
        (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
        OMP_CLAUSE_UNTIED.
        * omp-low.c (extract_omp_for_data): Use schedule(static)
        for schedule(auto).  Handle pointer and unsigned iterators.
        Compute fd->iter_type.  Handle POINTER_PLUS_EXPR increments.
        Add loops argument.  Extract data for collapsed OMP_FOR loops.
        (expand_parallel_call): Assert sched_kind isn't auto,
        map runtime schedule to index 3.
        (struct omp_for_data_loop): New type.
        (struct omp_for_data): Remove v, n1, n2, step, cond_code fields.
        Add loop, loops, collapse and iter_type fields.
        (workshare_safe_to_combine_p): Disallow combined for if
        iter_type is unsigned long long.  Don't combine collapse > 1 loops
        unless all bounds and steps are constant.  Adjust extract_omp_for_data
        caller.
        (expand_omp_for_generic): Handle pointer, unsigned and long long
        iterators.  Handle collapsed OMP_FOR loops.  Adjust
        for struct omp_for_data changes.  If libgomp function doesn't return
        boolean_type_node, add comparison of the return value with 0.
        (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle
        pointer, unsigned and long long iterators.  Adjust for struct
        omp_for_data changes.
        (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule
        to index 3.  Use GOMP_loop_ull*{start,next} if iter_type is
        unsigned long long.  Allocate loops array, pass it to
        extract_omp_for_data.  For collapse > 1 loops use always
        expand_omp_for_generic.
        (omp_context): Add sfield_map and srecord_type fields.
        (is_task_ctx, lookup_sfield): New functions.
        (use_pointer_for_field): Use is_task_ctx helper.  Change first
        argument's type from const_tree to tree.  Clarify comment.
        In OMP_TASK disallow copy-in/out sharing.
        (build_sender_ref): Call lookup_sfield instead of lookup_field.
        (install_var_field): Add mask argument.  Populate both record_type
        and srecord_type if needed.
        (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN
        in srecord_type.
        (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT}
        and DECL_FIELD_OFFSET.
        (scan_sharing_clauses): Adjust install_var_field callers.  For
        firstprivate clauses on explicit tasks allocate the var by value in
        record_type unconditionally, rather than by reference.
        Handle OMP_CLAUSE_PRIVATE_OUTER_REF.  Scan OMP_CLAUSE_LASTPRIVATE_STMT.
        Use is_taskreg_ctx instead of is_parallel_ctx.