* config/rs6000/rs6000.c (rs6000_emit_prologue): Use gen_int_mode

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

2010-10-07  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.c (rs6000_emit_prologue): Use gen_int_mode
        rather than sign extension by hand.

2010-10-07  Jan Hubicka  <jh@suse.cz>

        PR middle-end/45926
        * ipa.c (cgraph_remove_unreachable_nodes): Revert my previous patch.

2010-10-07  Richard Guenther  <rguenther@suse.de>

        PR bootstrap/45914
        * configure.ac: Fix typo.
        * configure: Regenerated.

2010-10-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Don't use
        define_builtin_std where it's unnecessary.
        * config/i386/nto.h (TARGET_OS_CPP_BUILTINS): Likewise.

2010-10-06  Anatoly Sokolov  <aesok@post.ru>

        * doc/tm.texi.in (CLASS_LIKELY_SPILLED_P): Remove documentation.
        * doc/tm.texi.in: Regenerate.
        * system.h (CLASS_LIKELY_SPILLED_P): Poison.
        * targhooks.c (default_class_likely_spilled_p): Don't use the
        CLASS_LIKELY_SPILLED_P macro.

        * config/arm/arm.md: Update comment.

2010-10-06  Jan Hubicka  <jh@suse.cz>

        * ipa.c (cgraph_remove_unreachable_nodes): External references can
        always be removed.
        (cgraph_externally_visible_p): We can not bring local comdats that
        are known to linker; fix handling of internal visibility.
        (function_and_variable_visibility): Likewise.

2010-10-06  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/45394
        * combine.c (cleanup_auto_inc_dec): Remove AFTER parameter and adjust.
        (struct rtx_subst_pair): Remove AFTER field.
        (propagate_for_debug_subst): Adjust call to cleanup_auto_inc_dec.
        (propagate_for_debug): Remove MOVE parameter and adjust.
        (try_combine): In the special case where I2 is a PARALLEL, combine only
        destinations of SETs and set I2SRC to the I2 source.
        Adjust calls to propagate_for_debug throughout.
        * reload1.c (eliminate_regs_1) <ASM_OPERANDS>: Do not abort for debug
        insns.

2010-10-06  Olivier Hainque  <hainque@adacore.com>

        * config/rs6000/rs6000.c (rs6000_expand_ternop_builtin): Rewrite
        switch on insn codes as sequence of ifs.

2010-10-06  Hariharan Sandanagobalane  <hariharan@picochip.com>

        * config/picochip/picochip.c (TARGET_EXCEPT_UNWIND_INFO): Define it to
        be UI_NONE for picochip.
        (picochip_option_override): Do not disable exception flags.
        * config/picochip/picochip-protos.h (picochip_except_unwind_info):
        Declare.

2010-10-06  Richard Guenther  <rguenther@suse.de>

        * Makefile.in (regmove.o): Depend on $(TARGET_H).

2010-10-06  Nicola Pero  <nicola.pero@meta-innovation.com>

        Implemented fast enumeration for Objective-C.
        * c-parser.c (objc_could_be_foreach_context): New.
        (c_lex_one_token): Recognize RID_IN keyword in a potential
        Objective-C foreach context.
        (c_parser_declaration_or_fndef): Added parameter.  Accept
        Objective-C RID_IN keyword as terminating a declaration; in that
        case, return the declaration in the new parameter.
        (c_parser_extenral_declaration): Updated calls to
        c_parser_declaration_or_fndef.
        (c_parser_declaration_or_fndef): Same change.
        (c_parser_compound_statement_nostart): Same change.
        (c_parser_label): Same change.
        (c_parser_objc_methodprotolist): Same change.
        (c_parser_omp_for_loop): Same change.
        (c_parser_for_statement): Detect and parse Objective-C foreach
        statements.
        (c_parser_omp_for_loop): Updated call to check_for_loop_decls().
        * c-decl.c (check_for_loop_decls): Added parameter to allow ObjC
        fast enumeration parsing code to turn off the c99 error but still
        perform checks on the loop declarations.
        * c-tree.h (check_for_loop_decls): Updated declaration.
        * doc/objc.texi: Document fast enumeration.

2010-10-06  Nick Clifton  <nickc@redhat.com>

        * config/mn10300/mn10300.h (FIRST_PSEUDO_REGISTER): Increment by
        one.
        (MDR_REGNUM): Define.
        (FIXED_REGISTERS, CALL_USED_REGISTERS): Add MDR as a fixed
        register.
        (REG_CLASS_CONTENTS): Add MDR to ALL_REGS.
        (INCOMING_RETURN_ADDR_RTX): Define in terms of MDR.
        (REGISTER_NAMES): Add MDR.
        (DWARF2_DEBUGGING_INFO): Define to 1.
        * config/mn10300/mn10300.c (TARGET_EXCEPT_UNWIND_INFO): Define.
        (F): New function.  Sets RTX_FRAME_RELATED_P.
        (mn10300_gen_multiple_store): Use F.
        (expand_prologue): Use F.  Use gen_movsf() to push floating
        point registers.
        (expand_epilogue): Use gen_movsf() to pop floating point
        registers.
        (mn10300_option_override): Disable combine stack adjust pass.

2010-10-06  Thomas Schwinge  <thomas@schwinge.name>

        PR target/45901
        * config/alpha/gnu.h (TARGET_OS_CPP_BUILTINS): Refer to
        LINUX_TARGET_OS_CPP_BUILTINS instead of HURD_TARGET_OS_CPP_BUILTINS.

2010-10-06  Jakub Jelinek  <jakub@redhat.com>

        * builtins.def (BUILT_IN_CALLOC, BUILT_IN_REALLOC,
        BUILT_IN_ISALNUM, BUILT_IN_ISALPHA, BUILT_IN_ISASCII,
        BUILT_IN_ISBLANK, BUILT_IN_ISCNTRL, BUILT_IN_ISDIGIT,
        BUILT_IN_ISGRAPH, BUILT_IN_ISLOWER, BUILT_IN_ISPRINT,
        BUILT_IN_ISPUNCT, BUILT_IN_ISSPACE, BUILT_IN_ISUPPER,
        BUILT_IN_ISXDIGIT, BUILT_IN_TOASCII, BUILT_IN_TOLOWER,
        BUILT_IN_TOUPPER): Mark as leaf.

        PR middle-end/45838
        * omp-builtins.def (BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
        BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
        BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
        BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
        BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_TASK,
        BUILT_IN_GOMP_PARALLEL_SECTIONS_START): Use
        Revert back to ATTR_NOTHROW_LIST instead of ATTR_NOTHROW_LEAF_LIST.

2010-10-05  Anatoly Sokolov  <aesok@post.ru>

        * config/m68hc11/m68hc11.h (CLASS_LIKELY_SPILLED_P): Remove.
        * config/m68hc11/m68hc11.c (TARGET_CLASS_LIKELY_SPILLED_P): Define.
        (m68hc11_class_likely_spilled_p): New function.

2010-10-05  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-parser.c (c_parser_objc_method_definition): Updated comment.

2010-10-05  Jan Hubicka  <jh@suse.cz>

        * doc/invoke.texi (-flto-partition, lto-partitions, lto-minpartition):
        Document.
        * opts.c (decode_options): Handle lto partitions.
        * common.opt (flto-partition=1to1, flto-partition=balanced): New.
        * params.def (PARAM_LTO_PARTITIONS, MIN_PARTITION_SIZE): New.

2010-10-05  Jan Hubicka  <jh@suse.cz>

        * cgraphunit.c (assemble_function): Output thunks and aliases before
        the function itself.

2010-09-29  Hariharan Sandanagobalane  <hariharan@picochip.com>

        * config/picochip/picochip.c (picochip_option_override): Disable
        exception flags for picochip.

2010-10-05  Joseph Myers  <joseph@codesourcery.com>

        * opts-common.c (handle_option, handle_generated_option,
        read_cmdline_option, set_option): Add diagnostic_context
        parameter.  Update calls among these functions.
        (set_option): Don't use global_dc.
        * opts.c (read_cmdline_options): Pass global_dc to
        read_cmdline_option.
        (decode_options): Pass global_dc to enable_warning_as_error.
        (common_handle_option): Pass global_dc to enable_warning_as_error.
        (enable_warning_as_error): Add diagnostic_context parameter.
        Document parameters.  Don't use global_dc.  Pass
        diagnostic_context parameter to handle_generated_option.
        * opts.h (set_option, handle_option, handle_generated_option,
        read_cmdline_option, enable_warning_as_error): Add
        diagnostic_context parameter.
        * Makefile.in (lto-opts.o): Update dependencies.
        * coretypes.h (struct diagnostic_context, diagnostic_context):
        Declare here.
        * diagnostic.h (diagnostic_context): Don't declare typedef here.
        * gcc.c (process_command): Pass global_dc to read_cmdline_option.
        * langhooks-def.h (struct diagnostic_context): Don't declare here.
        (lhd_print_error_function, lhd_initialize_diagnostics): Declare
        using diagnostic_context typedef.
        * langhooks.c (lhd_initialize_diagnostics): Declare using
        diagnostic_context typedef.
        * langhooks.h (struct diagnostic_context): Don't declare here.
        (initialize_diagnostics, print_error_function): Declare using
        diagnostic_context typedef.
        * lto-opts.c: Include diagnostic.h.
        (lto_reissue_options): Pass global_dc to set_option.  Pass
        DK_UNSPECIFIED not 0.
        * plugin.c (plugins_internal_error_function): Declare using
        diagnostic_context typedef.
        * plugin.h (struct diagnostic_context): Don't declare here.
        (plugins_internal_error_function): Declare using
        diagnostic_context typedef.

2010-10-05  Olivier Hainque  <hainque@adacore.com>
            Nicolas Roche  <roche@adacore.com>

        * config/vxworksae.h: Add missing VXWORKS_OS_CPP_BUILTINS.
        * config/rs6000/vxworks.h: Remove redundant CPP builtin definitions.

2010-10-05  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/45752
        * tree-vect-slp.c (vect_get_mask_element): Remove static
        variables, make them function arguments.
        (vect_transform_slp_perm_load): Pass new arguments to
        vect_get_mask_element.

2010-10-05  Richard Guenther  <rguenther@suse.de>

        * value-prof.c (gimple_divmod_fixed_value): Work on SSA form.
        (gimple_mod_pow2): Likewise.
        (gimple_mod_subtract): Likewise.
        (gimple_ic): Likewise.
        (gimple_stringop_fixed_value): Likewise.
        * tree-profile.c (tree_init_edge_profiler): Mark profile
        functions nothrow and leaf.
        (add_abnormal_goto_call_edges): Remove.
        (tree_gen_edge_profiler): Work on SSA form.
        (tree_gen_ic_profiler): Likewise.  Simplify.
        (do_tree_profiling): Update SSA form.
        (pass_tree_profile): Remove.
        (do_tree_profiling): Likewise.
        (gate_tree_profile_ipa): New function.
        (pass_ipa_tree_profile): New.
        (tree_profiling): Re-write as IPA pass.  Properly drop const/pure
        state of instrumented functions.
        * passes.c (init_optimization_passes): Remove early non-SSA
        inlining.  Move profiling after early optimizations.
        * ipa-inline.c (cgraph_gate_ipa_early_inlining): Remove.
        (pass_ipa_early_inline): Likewise.
        * tree-pass.h (pass_ipa_early_inline): Remove.
        (pass_tree_profile): Likewise.
        (pass_ipa_tree_profile): Declare.

2010-10-05  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
            Christian Borntraeger  <Christian.Borntraeger@de.ibm.com>

        * gcc/config/s390/s390.c (z196_cost): New.
        (s390_handle_arch_option): Add -march=z196.
        (s390_option_override): Use the new cost function and use the z10
        defaults also for z196.
        (legitimate_reload_constant_p): Adjust comment.
        (legitimate_reload_fp_constant_p): New function.
        (s390_preferred_reload_class): Distingiush between FP and Int constants.
        (preferred_la_operand_p): Avoid la with index on z196.
        (s390_adjust_priority): Trigger also for z196.
        (s390_issue_rate): Issue rate for z196 is 3.
        (s390_z10_fix_long_loop_prediction): Rename to ...
        (s390_fix_long_loop_prediction): ... this.
        (s390_reorg): Apply the z10 adjustments also for z196.
        (s390_loop_unroll_adjust): Do this also for z196.
        * gcc/config/s390/s390.h (enum processor_type): Add PROCESSOR_2817_Z196.
        (enum processor_flags): Add PF_Z196.
        (TARGET_AVOID_CMP_AND_BRANCH): New macro.
        (TARGET_CPU_Z196, TARGET_Z196): New macros.
        * gcc/config.gcc: Enable z196 for --with-arch.
        * gcc/config/s390/2817.md: New file.
        * gcc/config/s390/2084.md: New type for multiply and add.
        * gcc/config/s390/2097.md: Likewise.
        * gcc/config/s390/s390.md (UNSPEC_POPCNT, UNSPEC_COPYSIGN)
        (UNSPECV_ATOMIC_OP): New constants.
        (fmadddf, fmaddsf): New values for type attribute.
        (z196prop): New insn attribute.
        (cpu, cpu_facility): Add z196.
        (ATOMIC_Z196): New code iterator.
        (noxa): New code attribute.
        (gk): New mode attribute.
        (*mov<mode>_64, *mov<mode>_31, *mov<mode>_64dfp, mov<mode>):
        Support load zero for fp constants.
        (fixuns_truncdddi2, fixuns_trunctddi2)
        (fixuns_trunc<BFP:mode><GPR:mode>2): Use the standard rtx pattern
        for z196.
        (fixuns_trunc<mode>si2, mov<mode>cc, popcountdi2, popcountsi2)
        (popcounthi2, popcountqi2): New expander.
        (*fixuns_trunc<FP:mode><GPR:mode>2_z196, floatsi<mode>2)
        (floatuns<GPR:mode><FP:mode>2, *mov<mode>cc, sync_<atomic><mode>)
        (sync_old_<atomic><mode>, *popcount<mode>, copysign<mode>3): New
        insn definition.
        (add<mode>3, *add<mode>3_carry1_cc, *add<mode>3_carry1_cconly)
        (*add<mode>3_carry2_cc, *add<mode>3_carry2_cconly, *add<mode>3_cc)
        (*add<mode>3_cconly, *add<mode>3_cconly2, *add<mode>3_imm_cc, *sub<mode>3)
        (*sub<mode>3_borrow_cc, *sub<mode>3_borrow_cconly, *sub<mode>3_cc)
        (*sub<mode>3_cc2, *sub<mode>3_cconly, *sub<mode>3_cconly2)
        (*anddi3_cc, *anddi3_cconly, *anddi3, *andsi3_cc, *andsi3_cconly)
        (*andsi3_zarch, *andsi3_esa, *andhi3_zarch, *andqi3_zarch, *iordi3_cc)
        (*iordi3_cconly, *iordi3, *iorsi3_cc, *iorsi3_cconly, *iorsi3_zarch)
        (*iorhi3_zarch, *iorqi3_zarch, *xordi3_cc, *xordi3_cconly, *xordi3)
        (*xorsi3_cc, *xorsi3_cconly, *xorsi3, *xorhi3, *xorqi3, *<shift><mode>3)
        (*<shift><mode>3_and, *ashr<mode>3_cc, *ashr<mode>3_cconly, *ashr<mode>3)
        (*ashr<mode>3_cc_and, *ashr<mode>3_cconly_and, *ashr<mode>3_and):
        Support new z196 instructions.

2010-10-05  Richard Guenther  <rguenther@suse.de>

        PR middle-end/45877
        * gimple-fold.c (gimplify_and_update_call_from_tree): Handle
        case where gimplification optimizes away the stmt.

2010-10-04  Jakub Jelinek  <jakub@redhat.com>

        PR debug/45849
        * var-tracking.c (strip_pointer_flags): New function.
        (emit_note_insn_var_location): If rtx_equal_p check failed,
        retry on locations simplified with simplify_replace_fn_rtx
        and strip_pointer_flags as its callback.

2010-10-04  Jan Hubicka  <jh@suse.cz>

        * gimple-fold.c (static_object_in_other_unit_p): Rename to...
        (can_refer_decl_in_current_unit_p): ... this one; reverse return
        value; handle comdats too.
        (canonicalize_constructor_val): Use it; handle function_decls
        correctly.
        (gimple_fold_obj_type_ref_known_binfo): Likewise.
        * gimple.c (get_base_address): Accept all kinds of decls.

2010-10-04  Joseph Myers  <joseph@codesourcery.com>

        * flags.h (g_switch_value, g_switch_set): Remove.
        * opts.c (g_switch_value, g_switch_set): Remove.
        * config/g.opt (G): Add Var(g_switch_value).
        * config/alpha/alpha.c (alpha_handle_option): Don't handle -G
        here.
        (alpha_option_override): Check global_options_set.x_g_switch_value
        instead of g_switch_set.
        (alpha_in_small_data_p): Remove cast in comparison with
        g_switch_value.
        * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Cast
        g_switch_value to unsigned HOST_WIDE_INT.
        * config/frv/frv.c (frv_const_unspec_p): Remove cast in comparison
        with g_switch_value.
        (frv_handle_option): Don't handle -G here.
        (frv_option_override): Check global_options_set.x_g_switch_value
        instead of g_switch_set.  Don't modify g_switch_set.
        (frv_in_small_data_p): Remove cast in comparison with
        g_switch_value.
        * config/frv/frv.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Cast
        g_switch_value to unsigned HOST_WIDE_INT.
        * config/ia64/ia64.c (ia64_handle_option): Don't handle -G here.
        (ia64_option_override): Check global_options_set.x_g_switch_value
        instead of g_switch_set.
        * config/lm32/lm32.c (lm32_handle_option, TARGET_HANDLE_OPTION):
        Remove.
        (lm32_in_small_data_p): Remove cast in comparison with
        g_switch_value.
        * config/lm32/lm32.h (ASM_OUTPUT_ALIGNED_LOCAL,
        ASM_OUTPUT_ALIGNED_COMMON): Cast g_switch_value to unsigned
        HOST_WIDE_INT.
        * config/m32r/m32r.c (m32r_handle_option): Don't handle -G here.
        (m32r_init): Check global_options_set.x_g_switch_value instead of
        g_switch_set.
        (m32r_in_small_data_p): Remove cast in comparison with
        g_switch_value.
        (m32r_file_start): Format g_switch_value with %d.
        * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_COMMON,
        ASM_OUTPUT_ALIGNED_BSS): Cast g_switch_value to unsigned
        HOST_WIDE_INT.
        * config/microblaze/microblaze.c (microblaze_handle_option): Don't
        handle -G here.
        (microblaze_option_override): Check
        global_options_set.x_g_switch_value instead of g_switch_set.
        * config/mips/mips.c (mips_handle_option): Don't handle -G here.
        (mips_option_override): Check global_options_set.x_g_switch_value
        instead of g_switch_set.
        * config/rs6000/rs6000.c (rs6000_handle_option): Don't handle -G
        here.
        (rs6000_file_start): Format g_switch_value with %d.
        (small_data_operand, rs6000_elf_in_small_data_p): Remove casts in
        comparisons with g_switch_value.
        * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Check
        global_options_set.x_g_switch_value instead of g_switch_set.
        * config/rs6000/vxworks.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Check
        global_options_set.x_g_switch_value instead of g_switch_set.
        * config/score/score.c (score_handle_option): Don't handle -G
        here.
        * config/score/score3.c (score3_option_override): Check
        global_options_set.x_g_switch_value instead of g_switch_set.
        * config/score/score7.c (score7_option_override): Check
        global_options_set.x_g_switch_value instead of g_switch_set.

2010-10-04  Vladimir Makarov  <vmakarov@redhat.com>

        * common.opt (fira-coalesce): Remove.

        * doc/invoke.texi (flag_ira_coalesce): Remove.

        * ira-color.c (allocno_coalesced_p): Move before
        copy_freq_compare_func.
        processed_coalesced_allocno_bitmap): Ditto.
        (update_conflict_hard_regno_costs): Don't use
        ALLOCNO_FIRST_COALESCED_ALLOCNO.
        (allocno_cost_compare_func, print_coalesced_allocno): Remove.
        (assign_hard_reg): Assume no coalesced allocnos.
        (get_coalesced_allocnos_attributes): Remove.
        (bucket_allocno_compare_func): Assume no coalesced allocnos.
        (push_allocno_to_stack): Ditto.
        (remove_allocno_from_bucket_and_push): Use
        ira_print_expanded_allocno instead of print_coalesced_allocno.
        (push_allocnos_to_stack): Assume uncoalesced allocnos.
        (all_conflicting_hard_regs_coalesced): Ditto.  Rename to
        all_conflicting_hard_regs.
        (setup_allocno_available_regs_num): Assume uncoalesced allocnos.
        (setup_allocno_left_conflicts_size): Ditto.
        (put_allocno_into_bucket): Ditto.
        (copy_freq_compare_func): Remove.
        (copy_freq_compare_func, merge_allocnos): Move before
        coalesced_pseudo_reg_freq_compare.
        coalesced_allocno_conflict_p): Ditto.
        (coalesced_allocno_conflict_p, coalesce_allocnos): Ditto.  Remove
        parameter.  Assume it true.
        (color_allocnos): Assume uncoalesced allocnos.  Use
        ira_print_expanded_allocno instead of print_coalesced_allocno.
        (ira_sort_regnos_for_alter_reg): Call coalesce_allocnos without
        parameter.

        * ira.c: Remove comment about coalescing.

2010-10-04  Joseph Myers  <joseph@codesourcery.com>

        * config/mips/mips.h (target_flags_explicit): Declare for
        GENERATOR_FILE.

2010-10-04  Andi Kleen <ak@linux.intel.com>

        * Makefile.in (xgcc, cpp, cc1, collect2, lto-wrapper, gcov,
        gcov-dump, cc1-dummy, genprog, build/gcov-iov): Add + to build rule.

2010-10-04  Matthias Klose  <doko@ubuntu.com>

        * config/sparc/t-linux64 (MULTILIB_OSDIRNAMES): Use ../lib32 as the
        multilib osdirname if it exists.
        * config/s390/t-linux64 (MULTILIB_OSDIRNAMES): Likewise.

2010-10-04  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/45876
        * fold-const.c (fold_binary_loc) <case BIT_AND_EXPR>: Use
        arg0's type or its unsigned counterpart as utype.  Convert
        arg1 to utype unconditionally.

2010-10-04  Julian Brown  <julian@codesourcery.com>

        * expr.c (expand_assignment): Add assertion to prevent emitting
        null rtx for movmisalign pattern.
        (expand_expr_real_1): Likewise.
        * config/arm/arm.c (arm_builtin_support_vector_misalignment): New.
        (TARGET_VECTORIZE_SUPPORT_VECTOR_MISALIGNMENT): New. Use above.
        (arm_vector_alignment_reachable): New.
        (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): New. Use above.
        (neon_vector_mem_operand): Disallow PRE_DEC for misaligned loads.
        (arm_print_operand): Include alignment qualifier in %A.
        * config/arm/neon.md (UNSPEC_MISALIGNED_ACCESS): New constant.
        (movmisalign<mode>): New expander.
        (movmisalign<mode>_neon_store, movmisalign<mode>_neon_load): New
        insn patterns.

2010-10-04  Joseph Myers  <joseph@codesourcery.com>

        * optc-gen.awk: Define global_options_set.  Don't define
        target_flags_explicit.
        * opth-gen.awk: Declare global_options_set.  Define
        target_flags_explicit as macro.
        * opts-common.c (handle_option): Take opts_set and generated_p
        parameters.
        (handle_generated_option, read_cmdline_option, set_option): Take
        opts_set parameter.
        (set_option): Use opts_set instead of hardcoding target_flags and
        target_flags_explicit.
        * opts.c (sel_sched_switch_set, profile_arc_flag_set,
        flag_profile_values_set, flag_unroll_loops_set, flag_tracer_set,
        flag_value_profile_transformations_set, flag_peel_loops_set,
        flag_branch_probabilities_set, flag_inline_functions_set,
        flag_ipa_cp_set, flag_ipa_cp_clone_set,
        flag_predictive_commoning_set, flag_unswitch_loops_set,
        flag_gcse_after_reload_set): Remove.
        (common_handle_option, lang_handle_option, target_handle_option):
        Take opts_set parameter.  Assert that it is &global_options_set.
        (common_handle_option): Don't set _set variables.  Check opts_set
        instead of such variables.
        (enable_warning_as_error): Pass &global_options_set to
        handle_generated_option.
        * opts.h (cl_option_handler_func.handler, set_option,
        handle_option, handle_generated_option, read_cmdline_option): Add
        opts_set parameters.
        (handle_option): Add generated_p parameter.
        * config/i386/i386.c (ix86_function_specific_save,
        ix86_function_specific_restore): Updat for renaming of
        target_flags_explicit field.
        * config/i386/i386.opt (target_flags_explicit): Rename to
        ix86_target_flags_explicit.
        * config/ia64/ia64.c (ia64_override_options_after_change): Check
        global_options_set.x_flag_selective_scheduling and
        global_options_set.x_flag_selective_scheduling2, not
        sel_sched_switch_set.
        * flags.h (sel_sched_switch_set,
        flag_speculative_prefetching_set): Remove.
        * gcc.c (driver_handle_option): Take opts_set parameter.  Assert
        that it is &global_options_set.
        (process_command): Pass &global_options_set to
        read_cmdline_option.
        * lto-opts.c (lto_reissue_options): Pass &global_options_set to
        set_option.
        * toplev.c (target_flags_explicit): Remove.

2010-10-04  Jan Hubicka  <jh@suse.cz>

        PR middle-end/45871
        * tree-ssa-ccp.c (get_base_constructor): Take HOST_WIDE_INT offset;
        use get_ref_base_and_offset to handle references.
        (fold_const_aggregate_ref): Update.

2010-10-04  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/45572
        * ipa-prop.c (ipa_make_edge_direct_to_target): Call
        ipa_check_create_node_params.
        * ipa-inline.c (add_new_edges_to_heap): Do not insert inlined edges.

2010-10-04  Yao Qi  <yao@codesourcery.com>

        * doc/passes.texi: Clean up.

2010-10-03  Ian Lance Taylor  <iant@google.com>

        * c-typeck.c (lookup_field): If -fplan9-extensions, permit
        referring to a field using a typedef name.
        (find_anonymous_field_with_type): New static function.
        (convert_to_anonymous_field): New static function.
        (convert_for_assignment): If -fplan9-extensions, permit converting
        pointer to struct to pointer to anonymous field.
        * c-decl.c (grokfield): If -fplan9-extensions, permit anonymous
        fields.
        (is_duplicate_field): New static function.
        (detect_field_duplicates_hash): If -fplan9-extensions, check for
        typedef names duplicating field names.
        (detect_field_duplicates): Likewise.
        * doc/invoke.texi (Option Summary): Mention -fplan9-extensions.
        (C Dialect Options): Document -fplan9-extensions.
        * doc/extend.texi (Unnamed Fields): Document -fplan9-extensions.

2010-10-03  H.J. Lu  <hongjiu.lu@intel.com>

        * tree-vect-data-refs.c (vect_analyze_data_ref_access): Revert
        revision 164914.
        (vect_create_data_ref_ptr): Likewise.
        * tree-vect-stmts.c (vectorizable_store): Likewise.
        (perm_mask_for_reverse): Likewise.
        (reverse_vec_elements): Likewise.
        (vectorizable_load): Likewise.

2010-10-03  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        * cppbuiltin.c: New file.
        * cppbuiltin.h: New file.
        * Makefile.in: Take into account cppbuiltin.{h,c}.

2010-10-03  Andi Kleen <ak@linux.intel.com>

        * lto-cgraph.c (input_cgraph): Check for missing sections.

2010-10-03  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*ashl<mode>3_mask): Change operand 2 preticate
        to nonimmediate_operand.  Force operand 2 to register when allowed.
        (*<shiftrt_insn><mode>3_mask): Ditto.
        (*<rotate_insn><mode>3_mask): Ditto.

2010-10-02  H.J. Lu  <hongjiu.lu@intel.com>

        PR tree-optimization/45720
        PR tree-optimization/45764
        * tree-vect-data-refs.c (vect_analyze_data_ref_access):
        Don't accept backwards consecutive accesses.
        (vect_create_data_ref_ptr): Disallow negative steps.

        * tree-vect-stmts.c (vectorizable_store): Allow negative steps.
        (perm_mask_for_reverse): Removed.
        (reverse_vec_elements): Likewise.
        (vectorizable_load): Don't handle negative steps.

2010-10-02  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-ccp.c (ccp_fold_stmt): Fold away OBJ_TYPE_REF when
        call destination is known.

2010-10-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/45820
        * config/pa/pa.c (pa_secondary_reload): Handle symbolic operands
        earlier.

2010-10-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/install.texi (Configuration): Document build_configargs,
        host_configargs, target_configargs.

2010-10-01  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*ashl<mode>3_mask): New insn_and_split pattern.
        (*<shiftrt_insn><mode>3_mask): Ditto.
        (*<rotate_insn><mode>3_mask): Ditto.

2010-10-01  Steve Ellcey  <sje@cup.hp.com>

        PR tree-optimization/44716
        * config/ia64/hpux.h (UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Define.
        (HOT_TEXT_SECTION_NAME): Define.

2010-10-01  Nick Clifton  <nickc@redhat.com>

        * common.opt: Add -fcombine-stack-adjustments.
        * opts.c (decode_options): Enable -fcombine-stack-adjustments at -O1.
        * combine-stack-adj.c (gate_handle_stack_adjustments): Check
        flag_combine_stack_adjustments.
        * doc/invoke.texi: Document the new option.

2010-10-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/45854
        * tree-eh.c (cleanup_empty_eh): Avoid degenerate case.

2010-10-01  Anthony Green  <green@moxielogic.com>

        * config.gcc: Fix moxie-*-rtems* configuration.

2010-10-01  Richard Guenther  <rguenther@suse.de>

        * dwarf2out.c (gen_namespace_die): Use DECL_FILE_SCOPE_P.
        (gen_decl_die): Likewise.

2010-10-01  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (spu_init_builtins): No longer add END_BUILTINS
        to the function code for SPU MD builtins.
        (spu_expand_builtin): Update.
        * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Update.

2010-10-01  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (TARGET_EXCEPT_UNWIND_INFO): Set to
        sjlj_except_unwind_info.

2010-10-01  Tristan Gingold  <gingold@adacore.com>

        * configure.ac: Define the nop insn for avr*-*-*
        * configure: Regenerate.

2010-10-01  Alan Modra  <amodra@gmail.com>

        PR target/45807
        * config/rs6000/rs6000.c (rs6000_emit_prologue): Properly sign
        extend toc_restore_insn.

2010-09-30  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/43959
        * function.c (gimplify_parameters): Use create_tmp_reg instead of
        create_tmp_var.

2010-09-30  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_expand_prologue): Set
        current_function_static_stack_size.

2010-09-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac: Check for Solaris 8 ld with .hidden support.
        * configure: Regenerate.

2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/45758
        * graphite.c (graphite_initialize): Call scev_reset.

2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>

        * sese.h (scev_analyzable_p): Return false for real or floating
        point.  Only handle INTEGRAL_TYPE_P and POINTER_TYPE_P.

2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (compute_bounds_for_level): Free le
        and ps.
        * graphite-poly.c (pbb_number_of_iterations_at_time): Free le and
        domain.
        * graphite-sese-to-poly.c (add_upper_bounds_from_estimated_nit):
        Do not allocate ub_expr, it is passed in initialized.

2010-09-30  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>

        * graphite-clast-to-gimple.c (init_cloog_input_file): New.
        (build_cloog_prog): Dump CLooG input file when
        flag_graphite_dump_cloog is set.  This is disabled on trunk.
        * graphite-cloog-compat.h (cloog_program_dump_cloog): New.

2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (graphite_verify): Remove call to
        verify_dominators for CDI_POST_DOMINATORS.
        * sese.h: Remove comment about CDI_POST_DOMINATORS.
        (recompute_all_dominators): Remove call to free_dominance_info
        for CDI_POST_DOMINATORS.  Remove call to calculate_dominance_info
        for CDI_POST_DOMINATORS.

2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (pbb_number_of_iterations_at_time): Only iterate
        over pbb_dim_iter_domain.

2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-flattening.c: Fix comments.

2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>

        * Makefile.in (OBJS-common): Add graphite-flattening.o.
        (graphite-flattening.o): New rule.
        * common.opt (floop-flatten): New flag.
        * doc/invoke.texi (-floop-flatten): Documented.
        * graphite-flattening.c: New.
        * graphite-poly.c (apply_poly_transforms): Call flatten_all_loops.
        * graphite-poly.h (flatten_all_loops): Declared.
        (lst_remove_loop_and_inline_stmts_in_loop_father): New.
        * tree-ssa-loop.c (gate_graphite_transforms): When flag_loop_flatten
        is set, also set flag_graphite.

2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (cloog_checksum): New.
        * graphite-poly.h (cloog_checksum): Declared.

2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (pbb_number_of_iterations): Removed.
        (pbb_number_of_iterations_at_time): Correctly compute the number
        of iterations in the transformed loop.
        * graphite-poly.h (pbb_number_of_iterations): Removed.

2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.h (lst_update_scattering_seq): Removed.
        (lst_update_scattering): Correctly handle outermost loop dewey
        renumbering.

2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-blocking.c (pbb_strip_mine_profitable_p): Renamed
        lst_strip_mine_profitable_p.  Call lst_niter_for_loop.
        * graphite-poly.h (lst_niter_for_loop): New.

2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (apply_poly_transforms): Do not abort when the
        transform read from disk is not legal.  Call fatal_error instead.

2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (print_pbb_body): Add missing closing parenthesis.
        (print_scop_header): Removed.  Inlined in the only call place...
        (print_scop): ... here.

2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.h (lst_dewey_number): Use FOR_EACH_VEC_ELT.

2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (graphite_read_scop_file): Fix uninitialize warning.

2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (dot_deps): Avoid set but not used warning.
        (dot_deps_stmt): Same.
        * graphite-poly.c (dot_lst): Same.

2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-blocking.c (scop_do_strip_mine): Do not call
        graphite_legal_transform.
        (scop_do_block): Same.

2010-09-30  Vladimir Kargov  <kargov@gmail.com>

        * graphite-scop-detection.c (graphite_can_represent_loop): Correct the
        description.

2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-scalar-evolution.c (instantiate_array_ref): New.
        (instantiate_scev_r): Also handle ARRAY_REFs.

2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
        Do not check for VAR_DECL, PARM_DECL, FUNCTION_DECL, LABEL_DECL,
        RESULT_DECL, and FIELD_DECL.  Return false for an
        SSA_NAME_IS_DEFAULT_DEF.
        (compute_scalar_evolution_in_loop): Do not further analyze the
        scalar evolution when no_evolution_in_loop_p returns true.

2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-chrec.h (evolution_function_is_affine_p): Do not check
        whether CHREC_LEFT is invariant.  A function is affine when
        CHREC_RIGHT is invariant.

2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (reduction_phi_p): Remove check for
        is_gimple_reg.
        (rewrite_degenerate_phi): Same.
        (rewrite_reductions_out_of_ssa): Add check for is_gimple_reg.

2010-09-30  Vladimir Kargov  <kargov@gmail.com>

        * graphite-scop-detection.c (graphite_can_represent_scev,
        graphite_can_represent_expr, stmt_has_simple_data_refs_p,
        graphite_can_represent_loop): Remove outermost_loop.

2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/45229
        * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Do not
        handle GIMPLE_CALLs with no LHS.

2010-09-30  Riyadh Baghdadi <baghdadi.mr@gmail.com>

        * graphite-poly.c (init_graphite_out_file): New.
        (init_graphite_in_file): New.
        (apply_poly_transforms): Updated to enable reading and writing of
        multiple scop files.

2010-09-30  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite-scop-detection.c (graphite_can_represent_scev): Remove
        redundant checks.

2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (precision_for_value): Adjust
        computation of precision by 1.

2010-09-30  Riyadh Baghdadi <baghdadi.mr@gmail.com>

        * graphite-cloog-util.c (openscop_read_cloog_matrix): New.
        (openscop_read_polyhedron_matrix): New.
        * graphite-cloog-util.h (openscop_read_polyhedron_matrix): Declared.
        (openscop_read_N_int): Same.
        * graphite-poly.c (openscop_read_N_int): New.
        (openscop_read_one_int): New.
        (openscop_read_N_string): New.
        (openscop_read_one_string): New.
        (openscop_read_powerset_matrix): New.
        (graphite_read_transforms): Remove.
        (graphite_read_scatt): New.
        (graphite_read_scop_file): New.
        (apply_poly_transforms): Updated to call graphite_read_scop_file.

2010-09-30  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>

        * graphite-poly.c: Change include order.

2010-09-30  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>

        * graphite-cloog-compat.h (cloog_matrix_ncolumns): New.
        (cloog_matrix_nrows): New.

2010-09-30  Riyadh Baghdadi <baghdadi.mr@gmail.com>

        * graphite-cloog-util.c (openscop_print_cloog_matrix): Remove spaces
        from matrix lines.
        * graphite-poly.c (openscop_print_scattering_function_1): Same.
        (print_scattering_function_1): Same.
        (openscop_print_pbb_domain): Same.
        (openscop_print_scop_context): Same.
        (print_scop_context): Same.

2010-09-30  Riyadh Baghdadi <baghdadi.mr@gmail.com>

        * graphite-poly.c (openscop_print_pdr_polyhedron): Fix indentation.
        (openscop_print_pdr_polyhedron): Print pph.

2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (gcc_type_for_interval): Generate in
        priority signed types.

2010-09-30  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (max_signed_precision_type): Remove
        the call to lang_hooks.types.type_for_size.  Call
        build_nonstandard_integer_type.

2010-09-30  Riyadh Baghdadi <baghdadi.mr@gmail.com>

        * graphite-cloog-util.c (openscop_print_cloog_matrix): New.
        (openscop_print_polyhedron_matrix): New.
        * graphite-cloog-util.h (openscop_print_polyhedron_matrix): Declared.
        * graphite-poly.c (openscop_print_pdr_polyhedron): Same.
        (openscop_print_pdr_powerset): New.
        (openscop_print_powerset_matrix): New.
        (openscop_print_scattering_function_1): New.
        (print_scattering_function): Add support for scattering names and
        OpenScop format.
        (graphite_write_transforms): Remove.
        (print_pdr_access_layout): Updated to support OpenScop format.
        (print_pdr): Same.
        (openscop_print_pbb_domain): New.
        (print_pbb_body): Added a parameter to allow indicating that pbb_body
        is not provided.
        (print_pbb): Updated to call the new print_pbb_body.
        (openscop_print_scop_context): New.
        (print_scop_header): New.
        (print_scop): Updated to call print_scop_header.
        * graphite-poly.h: Document OpenScop format.

2010-09-30  Anatoly Sokolov  <aesok@post.ru>

        * config/cris/m32c.c (cris_memory_move_cost): New.
        (cris_register_move_cost): Make static. Change arguments type from
        enum reg_class to reg_class_t.
        (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
        * config/cris/cris.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
        * config/cris/cris-protos.h (cris_register_move_cost): Remove.

2010-09-30  Jakub Jelinek  <jakub@redhat.com>

        PR target/45843
        * config/i386/i386.c (ix86_gimplify_va_arg): Use
        INTVAL (XEXP (slot, 1)) as prev_size.

2010-09-30  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/45837
        * config/rs6000/aix.h (TARGET_AIX_OS): Define to be 1.
        * config/rs6000/rs6000.h (TARGET_AIX_OS): Define to be 0 if not
        defined.
        * config/rs6000/option-defaults.h (toplevel): Change #if
        TARGET_AIX to TARGET_AIX_OS to allow compiler to build after
        global option changes.

2010-09-30  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (mem_loc_descriptor): Handle IF_THEN_ELSE.

        PR tree-optimization/31261
        * fold-const.c (fold_binary): Optimize ((A & N) + B) & M
        for constants M and N, M == (1LL << cst) - 1 && (N & M) == M.

2010-09-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR bootstrap/45796
        * Makefile.in (build/gen%$(build_exeext)): Move rule after all
        special-casing for generators and turn into ...
        ((genprog:%=build/gen%$(build_exeext))): ... this static pattern
        rule, for better error messages in case of toplevel dependency errors.
        (genprog): Add hooks, rename to ...
        (genprogerr): ... this, and let genprog also contain check,
        checksum, condmd.
        ((genprog:%=build/gen%$(build_exeext))): Rename to ...
        ((genprogerr:%=build/gen%$(build_exeext))): ... this.
        (build/genhooks$(build_exeext)): Remove now-unneeded dependency.

2010-09-30  Jonathan Wakely  <jwakely.gcc@gmail.com>
            Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/install.texi: Suggest using LD_LIBRARY_PATH to find libs
        for GMP, MPFR and MPC.

2010-09-30  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/sparc/sparc.opt (mimpure-text): Move ...
        * config/sol2.opt: ... here.  Correct description.
        * config.gcc (*-*-solaris2*): Add sol2.opt to extra_options.
        * doc/invoke.texi (Option Summary, SPARC Options): Move
        -mimpure-text, -mno-impure-text, -threads, -pthreads, -pthread ...
        (Option Summary, Solaris 2 Options): ... here.
        (Submodel Options, Solaris 2 Options): New menu entry.
        (SPARC Options): Move -mimpure-text, -threads, -pthreads, -pthread ...
        (Solaris 2 Options): ... here.

2010-09-30  Michael Eager  <eager@eagercon.com>

        * extend.texi (interrupt_handler): Add MicroBlaze to list.
        (save_volatiles): Describe option for MicroBlaze.
        * invoke.texi: Add MicroBlaze Options.
        * contrib.texi: Add acknowledgment.
        * md.texi: Add MicroBlaze d and z constraints.
        * install.texi: Add microblaze-*-elf.
        * configure.ac: Add microblaze-*-* to target list.
        * configure: Regenerate.
        * config.gcc: Add microblaze*-*-*, microblaze*-linux*.
        * config/microblaze/microblaze-protos.h: New.
        * config/microblaze/crti.s: New.
        * config/microblaze/predicates.md: New.
        * config/microblaze/linux.h: New.
        * config/microblaze/microblaze.md: New.
        * config/microblaze/constraints.md: New.
        * config/microblaze/crtn.s: New.
        * config/microblaze/microblaze.opt: New.
        * config/microblaze/microblaze-c.c: New.
        * config/microblaze/t-microblaze: New.
        * config/microblaze/microblaze.c: New.
        * config/microblaze/microblaze.h: New.

2010-09-30  Iain Sandoe  <iains@gcc.gnu.org>

        * c-parser.c (c_parser_objc_methodprotolist): Amend preceding comment,
        parse @optional/@required and set the flags as appropriate.

2010-09-30  Nathan Froyd  <froydnj@codesourcery.com>

        * config/iq2000/t-iq2000 (TARGET_LIBGCC2_CFLAGS): Delete.

2010-09-30  Joseph Myers  <joseph@codesourcery.com>

        * opt-functions.awk (static_var): Update comment.
        (var_ref): Return offsetof expression or -1, not variable address.
        * optc-gen.awk: Generate structure field initializers instead of
        static variables.  Expect -1 for missing variables instead of null
        pointer.  Add gcc_options parameters to generated functions.
        * opth-gen.awk: Generate structure fields for static variables.
        Add gcc_options parameters to generated functions.
        * common.opt (optimize, optimize_size): Add variables.
        * config/i386/i386-c.c (ix86_pragma_target_parse): Pass
        &global_options to cl_target_option_restore.
        * config/i386/i386.c (ix86_valid_target_attribute_p): Pass
        &global_options to cl_optimization_restore, cl_target_option_save
        and cl_target_option_restore.
        (ix86_set_current_function): Pass &global_options to
        cl_target_option_restore.
        * config/pdp11/pdp11.h (optimize): Remove.
        * config/rs6000/rs6000.h (optimize): Remove.
        * config/sh/sh.h (optimize): Remove.
        * config/xtensa/xtensa.h (optimize): Remove.
        * coretypes.h (struct gcc_options): Declare.
        * diagnostic.c (diagnostic_initialize): Initialize
        context->option_state.
        (diagnostic_report_diagnostic): Pass option_state to
        option_enabled hook.
        * diagnostic.h (diagnostic_context.option_enabled): Add void *
        parameter.
        (diagnostic_context.option_state): New field.
        * final.c (final_start_function, final, final_scan_insn): Rename
        optimize parameter to optimize_p.
        * flags.h (optimize, optimize_size): Remove.
        * function.c (invoke_set_current_function_hook): Pass
        &global_options to cl_optimization_restore.
        * gcc.c (driver_handle_option): Take gcc_options parameter.
        Assert that it is &global_options.
        (process_command): Pass &global_options to read_cmdline_option.
        * ipa-pure-const.c (suggest_attribute): Pass &global_options to
        option_enabled.
        * lto-opts.c (lto_reissue_options): Use option_flag_var.  Pass
        &global_options to set_option.
        * opts-common.c (handle_option, handle_generated_option,
        read_cmdline_option, set_option): Take explicit gcc_options
        parameters.  Use option_flag_var.
        (option_flag_var): New.
        * opts.c (common_handle_option, lang_handle_option,
        target_handle_option): Take gcc_options parameter.  Assert that it
        is &global_options.
        (read_cmdline_options): Pass &global_options to read_cmdline_option.
        (print_filtered_help): Use option_flag_var.  Pass &global_options
        to option_enabled.
        (common_handle_option): Use option_flag_var.
        (option_enabled): Take opts parameter.  Use option_flag_var.
        (get_option_state): Take gcc_options parameter.  Use
        option_flag_var.  Pass gcc_options parameter to option_enabled.
        (enable_warning_as_error): Pass &global_options to
        handle_generated_option.
        * opts.h (struct cl_option): Change flag_var to flag_var_offset.
        (cl_option_handler_func.handler): Take gcc_options parameter.
        (option_enabled, get_option_state, set_option, handle_option,
        handle_generated_option, read_cmdline_option): Take gcc_options
        parameters.
        * toplev.c (optimize, optimize_size): Remove.
        (print_switch_values): Pass &global_options to option_enabled.
        (option_affects_pch_p): Use option_flag_var.  Pass &global_options
        to get_option_state.
        (general_init): Initialize global_dc->option_state.
        * tree.c (build_optimization_node): Pass &global_options to
        cl_optimization_save.
        (build_target_option_node): Pass &global_options to
        cl_target_option_save.

2010-09-30  Martin Jambor  <mjambor@suse.cz>

        * tree-sra.c (type_consists_of_records_p): Do not check for trailing
        zero sized bit-fields.

2010-09-30  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-parser.c (c_lex_one_token): When finding a CPP_AT_NAME
        Objective-C token, map RID_CLASS to RID_AT_CLASS and similar.
        (c_parser_external_declaration): Use RID_AT_CLASS instead of RID_CLASS.
        (c_parser_objc_class_declaration): Same change.
        (c_parser_objc_try_catch_statement): Use RID_AT_TRY instead of
        RID_TRY and RID_AT_CATCH instead of RID_CATCH.
        (c_parser_objc_class_instance_variables): Use RID_AT_PRIVATE
        instead of RID_PRIVATE, RID_AT_PROTECTED instead of RID_PROTECTED
        and RID_AT_PUBLIC instead of RID_PUBLIC.
        (c_parser_statement_after_labels): Use RID_AT_TRY instead of
        RID_TRY and RID_AT_CATCH instead of RID_CATCH.

2010-09-30  Tom G. Christensen <tgc@jupiterrise.com>

        * doc/install.texi (Binaries): Update link to HP-UX porting centre.
        Add links to current providers of packages for Solaris and IRIX.

2010-09-29  Nicola Pero  <nicola.pero@meta-innovation.com>

        Merge from 'apple/trunk' branch on FSF servers.
        * c-parser.c: Applied change originally in c-parse.in.

        2005-10-04  Fariborz Jahanian <fjahanian@apple.com>

        Radar 4281748
        * c-decl.c (start_decl): Check for redeclaration of class name.
        * c-parse.in (after_type_declarator): Recognize CLASSNAME.

2010-09-29  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.c (ia64_builtin_decl): New.
        (TARGET_BUILTIN_DECL): Define.
        (ia64_builtins): New.
        (ia64_init_builtins): Save decls in ia64_builtins.

2010-09-29  Bernd Schmidt  <bernds@codesourcery.com>

        PR target/40457
        * postreload.c (move2add_use_add2_insn): Use full_costs for comparison.
        (move2add_use_add3_insn): Likewise.
        (reload_cse_move2add): Likewise.
        * rtlanal.c (get_full_rtx_cost): New function.
        * rtl.h (struct full_rtx_costs): New.
        (init_costs_to_max, init_costs_to_zero, costs_lt_p,
        costs_add_n_insns): New inline functions.
        (get_full_rtx_cost): Declare.

        PR c/45054
        * reload1.c (replace_pseudos_in): Use eliminate_regs_1, allowing
        invariants.  Check for reg_equiv_invariant.
        (reload): Assert that spilled_pseudos is empty when returning.

2010-09-29  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/mingw32.h (TARGET_64BIT): replaced by
        TARGET_64BIT_DEFAULT in #if check.

2010-09-29  Jack Howarth <howarth@bromo.med.uc.edu>

        * varasm.c (assemble_alias): Add error message for unsupported ifunc.

2010-09-29  Mike Stump  <mikestump@comcast.net>

        * config/darwin.h (flag_mkernel): Remove.
        (flag_apple_kext): Likewise.

2010-09-29  Joseph Myers  <joseph@codesourcery.com>
            Jack Howarth <howarth@bromo.med.uc.edu>

        * config/darwin.opt (undefined): Add.

2010-09-29  Nathan Sidwell  <nathan@codesourcery.com>

        PR testsuite/45664
        * configure.ac: Add --enable-indirect-function option.
        * config.gcc: Add default_gnu_indirect_function.
        * config.in (HAVE_GAS_INDIRECT_FUNCTION): Rename to ...
        (HAVE_GNU_INDIRECT_FUNCTION): ... this.
        * varasm.c (do_assemble_alias): Adjust for macro name change.
        * configure: Rebuilt.
        * doc/install.texi: Document --enable-indirect-function.

2010-09-29  Joseph Myers  <joseph@codesourcery.com>

        * doc/options.texi (Variable, Var, Init): Update documentation
        without reference to VarExists.
        (VarExists): Remove.
        * common.opt, config/i386/i386.opt, config/linux.opt,
        config/rs6000/rs6000.opt, config/sh/sh.opt, config/spu/spu.opt:
        Don't use VarExists.

2010-09-29  Joseph Myers  <joseph@codesourcery.com>

        * optc-gen.awk: Generate global_options initializer instead of
        individual variables.  Add x_ prefix to names of structure members.
        * opth-gen.awk: Generate gcc_options structure.  Add x_ prefix to
        names of structure members.
        * doc/tm.texi.in (HARD_FRAME_POINTER_IS_FRAME_POINTER,
        HARD_FRAME_POINTER_IS_ARG_POINTER): Document.
        * doc/tm.texi: Regenerate.
        * alias.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER
        * builtins.c: Use HARD_FRAME_POINTER_IS_ARG_POINTER.
        * c-parser.c (disable_extension_diagnostics,
        restore_extension_diagnostics): Update names of cpp_options members.
        * combine.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER
        * common.opt (fcompare-debug-second): Don't use Var.
        * config/alpha/alpha.h (target_flags): Remove.
        * config/arm/arm.h (HARD_FRAME_POINTER_IS_FRAME_POINTER,
        HARD_FRAME_POINTER_IS_ARG_POINTER): Define.
        * config/bfin/bfin.h (target_flags): Remove.
        * config/cris/cris.h (target_flags): Remove.
        * config/i386/i386-c.c (ix86_pragma_target_parse): Update names of
        cl_target_option members.
        * config/i386/i386.c (ix86_force_align_arg_pointer): Remove.
        (ix86_function_specific_print, ix86_valid_target_attribute_tree,
        ix86_can_inline_p): Update names of cl_target_option members.
        * config/i386/i386.h (ix86_isa_flags): Remove.
        * config/lm32/lm32.h (target_flags): Remove.
        * config/mcore/mcore.h (mcore_stack_increment): Remove.
        * config/mcore/mcore.md (addsi3): Remove extern declaration of
        flag_omit_frame_pointer.
        * config/mep/mep.h (target_flags): Remove.
        * config/mips/mips.h (HARD_FRAME_POINTER_IS_FRAME_POINTER,
        HARD_FRAME_POINTER_IS_ARG_POINTER): Define.
        * config/mmix/mmix.h (target_flags): Remove.
        * config/rs6000/rs6000.h (rs6000_xilinx_fpu, flag_pic,
        flag_expensive_optimizations): Remove.
        * config/s390/s390.h (flag_pic): Remove.
        * config/score/score-conv.h (target_flags): Remove.
        * config/sh/sh.h (sh_fixed_range_str): Remove.
        * config/spu/spu.h (target_flags, spu_fixed_range_string): Remove.
        * dbxout.c: Use HARD_FRAME_POINTER_IS_ARG_POINTER
        * df-scan.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER.
        * diagnostic.c (diagnostic_initialize): Update names of
        diagnostic_context members.
        * diagnostic.h (diagnostic_context): Rename inhibit_warnings and
        warn_system_headers.
        (diagnostic_report_warnings_p): Update for new names.
        * dwarf2out.c: Use HARD_FRAME_POINTER_IS_ARG_POINTER
        * emit-rtl.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER and
        HARD_FRAME_POINTER_IS_ARG_POINTER.
        * flags.h (flag_compare_debug): Declare.
        * ira.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER
        * opts.c (flag_compare_debug): Define.
        (common_handle_option): Update names of diagnostic_context
        members.  Handle -fcompare-debug-second.
        (fast_math_flags_struct_set_p): Update names of cl_optimization
        members.
        * reginfo.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER.
        * regrename.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER.
        * reload.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER.
        * reload1.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER.
        * resource.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER.
        * rtl.h (HARD_FRAME_POINTER_IS_FRAME_POINTER,
        HARD_FRAME_POINTER_IS_ARG_POINTER): Define and use.
        * sel-sched.c: Use HARD_FRAME_POINTER_IS_FRAME_POINTER
        * stmt.c: Use HARD_FRAME_POINTER_IS_ARG_POINTER.

2010-09-29  Hariharan Sandanagobalane  <hariharan@picochip.com>

        * config/picochip/picochip.c (picochip_output_internal_label):
        This function can now be called for debug CFI labels, which can come
        in the middle of a vliw instruction.  Postpone until end of vliw.

2010-09-29  Richard Guenther  <rguenther@suse.de>

        * tree.h (SCOPE_FILE_SCOPE_P): New macro.
        (DECL_FILE_SCOPE_P): Use it.
        (TYPE_FILE_SCOPE_P): New macro.

2010-09-29  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-parser.c (c_lex_one_token): In Objective-C, when dealing with
        a CPP_NAME which is a reserved word, clearly separate cases for
        OBJC_IS_PQ_KEYWORD, OBJC_IS_AT_KEYWORD and OBJC_IS_CXX_KEYWORD.

2010-09-29  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-parser.c (c_lex_one_token): In Objective-C, do not replace
        token->value with the canonical spelling.  Do exactly like C and
        C++ and leave it as it is.

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

        * config/alpha/alpha.c (alpha_builtins): New.
        (alpha_builtin_decl, TARGET_BUILTIN_DECL): New.
        (alpha_builtin_function): New.
        (alpha_add_builtins, alpha_init_builtins): Use it.

2010-09-28  Nicola Pero  <nicola.pero@meta-innovation.com>

        * doc/standards.texi (Standards): Expanded the section on
        Objective-C and Objective-C++.

2010-09-28  DJ Delorie  <dj@redhat.com>

        PR target/45800
        * config/m32c/m32c.c (m32c_subreg): Force adjustment of subregs of
        volatile MEMs.

2010-09-28  Iain Sandoe  <iains@gcc.gnu.org>

        * c-parser.c (c_parser_declaration_or_fndef): Diagnose incorrect prefix
        attributes on methods.
         (c_parser_objc_method_definition): Handle attributes.
        (c_parser_objc_methodproto): Likewise.
        (c_parser_objc_maybe_method_attributes): New.
        (c_parser_objc_method_decl): Handle attributes, add a diagnostic for a
        missing definition, similar to that in ObjC++.

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

        * defaults.h (DWARF2_UNWIND_INFO): Don't depend on TARGET_UNWIND_INFO.
        (MUST_USE_SJLJ_EXCEPTIONS): Remove.
        (CONFIG_SJLJ_EXCEPTIONS): Remove.
        (STACK_OLD_CHECK_PROTECT): Use targetm.except_unwind_info.
        (STACK_CHECK_PROTECT): Likewise.
        * dwarf2out.c (DWARF2_UNWIND_INFO, DWARF2_FRAME_INFO): Poison.
        (dwarf2out_do_frame): Use debug_unwind_info and except_unwind_info.
        (dwarf2out_do_cfi_asm, dwarf2out_begin_prologue): Likewise.
        (dwarf2out_frame_init, dwarf2out_frame_finish): Likewise.
        (dwarf2out_assembly_start): Likewise.
        * except.c (init_eh): Use targetm.except_unwind_info.
        (finish_eh_generation, gate_convert_to_eh_region_ranges): Likewise.
        (output_one_function_exception_table): Likewise.
        * final.c: Unconditionally include dwarf2out.h.
        (final_start_function): Unconditionally call dwarf2out routines.
        (final_end_function, final_scan_insn): Likewise.
        * function.c (expand_function_end): Use targetm.except_unwind_info.
        * opts.c (decode_options): Use targetm.except_unwind_info.
        * system.h (USING_SJLJ_EXCEPTIONS, TARGET_UNWIND_INFO): Poison.
        * target.def (debug_unwind_info, except_unwind_info): New.
        * target.h (enum unwind_info_type): New.
        * targhooks.c (default_debug_unwind_info): New.
        (default_except_unwind_info): New.
        (dwarf2_except_unwind_info, sjlj_except_unwind_info): New.
        * targhooks.h: Declare them.
        * tree-tailcall.c: Include "target.h"
        (suitable_for_tail_call_opt_p): Use targetm.except_unwind_info.
        * Makefile.in (tree-tailcall.o): Update.
        * tree.c (build_common_builtin_nodes): Use targetm.except_unwind_info.
        (lhd_gcc_personality): Likewise.

        * doc/tm.texi.in (TARGET_UNWIND_INFO): Remove.
        (TARGET_EXCEPT_UNWIND_INFO): New.
        (DWARF2_UNWIND_INFO): Update.
        (TARGET_DEBUG_UNWIND_INFO): New.
        * doc/tm.texi: Rebuild.

        * c-family/c-cppbuiltin.c (c_cpp_builtins): Use
        targetm.except_unwind_info.

        * config/arm/arm.c (TARGET_EXCEPT_UNWIND_INFO): New.
        (arm_except_unwind_info): New.
        (arm_compute_func_type): Use it.
        (arm_expand_prologue, thumb_pushpop): Likewise.
        (thumb1_expand_prologue, thumb1_output_function_prologue): Likewise.
        (arm_unwind_emit, arm_output_fn_unwind): Likewise.
        * config/arm/bpabi.h (ARM_UNWIND_INFO): Rename from TARGET_UNWIND_INFO.
        * config/arm/arm.h (ARM_UNWIND_INFO): Likewise.
        (DWARF2_UNWIND_INFO): Remove.
        (MUST_USE_SJLJ_EXCEPTIONS): Remove.
        (ARM_EABI_UNWIND_TABLES): Remove.

        * config/ia64/ia64.c (ia64_debug_unwind_info): New.
        (TARGET_DEBUG_UNWIND_INFO, TARGET_EXCEPT_UNWIND_INFO): New.
        (ia64_except_unwind_info): New.
        (ia64_output_function_prologue): Use it.
        (ia64_add_bundle_selector_before): Likewise.
        (ia64_reorg, ia64_asm_unwind_emit): Likewise.
        * config/ia64/ia64.h (DWARF2_FRAME_INFO): Remove.
        (TARGET_UNWIND_INFO): Remove.

        * config/pa/pa.c (pa_option_override): Use targetm.except_unwind_info.

2010-09-28  Iain Sandoe  <iains@gcc.gnu.org>

        * c-parser.c (c_parser_objc_class_definition): Adjust prototype.
        (c_parser_objc_protocol_definition): Likewise.
        (c_parser_external_declaration): Provide dummy attribute arguments.
        (c_parser_declaration_or_fndef): Parse prefix attributes for ObjC.
        (c_parser_objc_class_definition): Handle attributes.
        (c_parser_objc_protocol_definition): Likewise.

2010-09-28  Tobias Burnus  <burnus@net-b.de>

        PR fortran/40569
        PR fortran/40568
        * toplev.h (save_decoded_options, save_decoded_options_count):
        New global variables.
        * toplev.c (save_decoded_options, save_decoded_options_count):
        Export variables.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * dwarf2out.c (dwarf2out_cfi_label): Use ASM_OUTPUT_DEBUG_LABEL.

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

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

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

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

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

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

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

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

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

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

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

        Radar 4229905
        * c-typeck.c (build_conditional_expr): Call objc_have_common_type when
        looking for objective-c common pointer types.

        2005-06-22  Ziemowit Laski  <zlaski@apple.com>

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

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

        * dbxout.c (dbxout_symbol): Use DECL_FILE_SCOPE_P.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * common.opt (undef): New.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * target.def: Add units_per_simd_word to vectorize.

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

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

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

        * system.h (UNITS_PER_SIMD_WORD): Poisoned.

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

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

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

        * doc/tm.texi: Regenerated.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * config/i386/i386.c: Include sched-int.h.
        (TARGET_SCHED_DISPATCH): Defined.
        (TARGET_SCHED_DISPATCH_DO): Defined.
        (DISPATCH_WINDOW_SIZE): Defined.
        (MAX_DISPATCH_WINDOWS): Defined.
        (MAX_INSN): Defined.
        (MAX_IMM): Defined.
        (MAX_IMM_SIZE): Defined.