* config/i386/cygming-crtend.c (__FRAME_END__): Replace attribute

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

2010-07-14  Dave Korn  <dave.korn.cygwin@gmail.com>

        * config/i386/cygming-crtend.c (__FRAME_END__): Replace attribute
        "unused" with attribute "used".
        (__JCR_END__): Likewise.
        * config/i386/cygming-crtbegin.c (__EH_FRAME_BEGIN__): Add missing
        "used" attribute.
        (__JCR_LIST__): Replace attribute "unused" with attribute "used".

2010-07-14  Richard Guenther  <rguenther@suse.de>

        * lto-streamer-in.c (maybe_fixup_handled_component): Remove.
        (maybe_fixup_decls): Likewise.
        (input_gimple_stmt): Do not fixup anything.
        * lto-streamer-out.c (output_gimple_stmt): Make sure all
        non-automatic variable uses are wrapped inside a MEM_REF.

2010-07-14  Richard Henderson  <rth@redhat.com>

        * passes.c (rest_of_decl_compilation): Do not call assemble_variable
        for functions.
        * varasm.c (assemble_variable): Remove early exit for functions;
        assert that we're given a variable.

2010-07-14  Jie Zhang  <jie@codesourcery.com>

        * config/arm/cortex-a8.md (cortex_a8_alu): Don't use
        cortex_a8_default when neon_type is not none.

2010-07-14  Bernd Schmidt  <bernds@codesourcery.com>

        * lower-subreg.c (subreg_context): New static bitmap.
        (decompose_multiword_subregs): Allocate and free it.
        (find_decomposable_subregs): Set a bit in it for a register that
        occurs in a subreg that changes mode but not size.
        (can_decompose_p): Test it instead of non_decomposable_context.

2010-07-14  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44824
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Use
        is_gimple_mem_ref_addr.
        (tree_ssa_forward_propagate_single_use_vars): Do not propagate
        non-decl_address_invariant_p addresses.

2010-07-14  Bernd Schmidt  <bernds@codesourcery.com>

        * reload.c (find_reloads): Revert code to penalize small register
        classes that was brought in with the IRA merge.

2010-07-14  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle MEM_REF
        as base of ARRAY_REFs.

2010-07-14  Richard Guenther  <rguenther@suse.de>

        PR middle-end/44930
        * tree-pretty-print.c (do_niy): Do not print a newline.

2010-07-14  Bernd Schmidt  <bernds@codesourcery.com>

        * ira-int.h (struct ira_object): New.
        (ira_object_t): New typedef.  Add DEF_VEC_P and DEF_VEC_ALLOC_P
        for it.
        (struct ira_allocno): Remove members min, max,
        conflict_allocno_array, conflict_id, conflict_allocno_array_size,
        conflict_allocnos_num and conflict_vec_p.  Add new member object.
        (OBJECT_CONFLICT_ARRAY, OBJECT_CONFLICT_VEC_P,
        OBJECT_NUM_CONFLICTS, OBJECT_CONFLICT_ARRAY_SIZE,
        OBJECT_CONFLICT_HARD_REGS, OBJECT_TOTAL_CONFLICT_HARD_REGS,
        OBJECT_MIN, OBJECT_MAX, OBJECT_CONFLICT_ID): Renamed from
        ALLOCNO_CONFLICT_ALLOCNO_ARRAY, ALLOCNO_CONFLICT_VEC_P,
        ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE,
        ALLOCNO_CONFLICT_HARD_REGS, ALLOCNO_TOTAL_CONFLICT_HARD_REGS)
        ALLOCNO_MIN, ALLOCNO_MAX, and ALLOCNO_CONFLICT_ID; now operate on
        an ira_object_t rather than ira_allocno_t.  All uses changed.
        (ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
        contains a vector of ira_object_t; all uses changed.
        (ira_objects_num): Declare variable.
        (ira_create_allocno_object): Declare function.
        (ira_conflict_vector_profitable_p): Adjust prototype.
        (ira_allocate_conflict_vec): Renamed from
        ira_allocate_allocno_conflict_vec; first arg now ira_object_t.
        (ira_allocate_object_conflicts): Renamed from
        ira_allocate_allocno_conflicts; first arg now ira_object_t.
        (struct ira_object_iterator): New.
        (ira_object_iter_init, ira_object_iter_cond, FOR_EACH_OBJECT): New.
        (ira_allocno_conflict_iterator): Renamed member allocno_conflict_vec_p
        to conflict_vec_p.  All uses changed.
        (ira_allocno_conflict_iter_init, ira_allocno_conflict_iter_cond):
        Changed to take into account that conflicts are now tracked for
        objects.
        * ira-conflicts.c (OBJECTS_CONFLICT_P): Renamed from
        CONFLICT_ALLOCNO_P.  Args changed to accept ira_object_t.  All
        uses changed.
        (allocnos_conflict_p): New static function.
        (collected_conflict_objects): Renamed from collected_allocno_objects;
        now a vector of ira_object_t.  All uses changed.
        (build_conflict_bit_table): Changed to take into account that
        conflicts are now tracked for objects.
        (process_regs_for_copy, propagate_copies, build_allocno_conflicts)
        (print_allocno_conflicts, ira_build_conflicts): Likewise.
        * ira-color.c (assign_hard_reg, setup_allocno_available_regs_num)
        setup_allocno_left_conflicts_size, allocno_reload_assign,
        fast_allocation): Likewise.
        * ira-lives.c (make_hard_regno_born, make_allocno_born)
        process_single_reg_class_operands, process_bb_node_lives): Likewise.
        * ira-emit.c (modify_move_list, add_range_and_copies_from_move_list):
        Likewise.
        * ira-build.c (ira_objects_num): New variable.
        (ira_object_id_map): Renamed from ira_conflict_id_allocno_map; now
        contains a vector of ira_object_t; all uses changed.
        (ira_object_id_map_vec): Corresponding change.
        (object_pool): New static variable.
        (initiate_allocnos): Initialize it.
        (finish_allocnos): Free it.
        (ira_create_object, ira_create_allocno_object, create_allocno_objects):
        New functions.
        (ira_create_allocno): Don't set members that were removed.
        (ira_set_allocno_cover_class): Don't change conflict hard regs.
        (merge_hard_reg_conflicts): Changed to take into account that
        conflicts are now tracked for objects.
        (ira_conflict_vector_profitable_p, ira_allocate_conflict_vec,
        allocate_conflict_bit_vec, ira_allocate_object_conflicts,
        compress_conflict_vecs, remove_low_level_allocnos, ira_flattening,
        setup_min_max_allocno_live_range_point, allocno_range_compare_func,
        setup_min_max_conflict_allocno_ids, ):  Likewise.
        ((add_to_conflicts): Renamed from add_to_allocno_conflicts, args changed
        to ira_object_t; all callers changed.
        (ira_add_conflict): Renamed from ira_add_allocno_conflict, args changed
        to ira_object_t, all callers changed.
        (clear_conflicts): Renamed from clear_allocno_conflicts, arg changed
        to ira_object_t, all callers changed.
        (conflict_check, curr_conflict_check_tick): Renamed from
        allocno_conflict_check and curr_allocno_conflict_check_tick; all uses
        changed.
        (compress_conflict_vec): Renamed from compress_allocno_conflict_vec,
        arg changed to ira_object_t, all callers changed.
        (create_cap_allocno): Call ira_create_allocno_object.
        (finish_allocno): Free the corresponding object.
        (sort_conflict_id_map): Renamed from sort_conflict_id_allocno_map; all
        callers changed.  Adjusted for dealing with objects.
        (ira_build): Call create_allocno_objects after ira_costs.  Adjusted for
        dealing with objects.
        * ira.c (ira_bad_reload_regno_1): Adjusted for dealing with objects.

        * ira-int.h (struct live_range): Rename allocno member to object and change
        type to ira_object_t.
        (struct ira_object): New member live_ranges.
        (struct ira_allocno): Remove member live_ranges.
        (ALLOCNO_LIVE_RANGES): Remove.
        (OBJECT_LIVE_RANGES): New macro.
        (ira_create_live_range, ira_copy_live_range_list,
        ira_merge_live_range_list, ira_live_ranges_intersect_p,
        ira_finish_live_range, ira_finish_live_range_list): Adjust declarations.
        * ira-build.c (ira_create_object): Initialize live ranges here.
        (ira_create_allocno): Not here.
        (ira_create_live_range): Rename from ira_create_allocno_live_range, arg
        changed to ira_object_t, all callers changed.
        (copy_live_range): Rename from copy_allocno_live_range, all callers
        changed.
        (ira_copy_live_range_list): Rename from ira_copy_allocno_live_range_list,
        all callers changed.
        (ira_merge_live_ranges): Rename from ira_merge_allocno_live_range_list,
        all callers changed.
        (ira_live_ranges_intersect_p): Rename from
        ira_allocno_live_ranges_intersect_p, all callers changed.
        (ira_finish_live_range): Rename from ira_finish_allocno_live_range, all
        callers changed.
        (ira_finish_live_range_list): Rename from
        ira_finish_allocno_live_range_list, all callers changed.
        (change_object_in_range_list): Rename from change_allocno_in_range_list,
        last arg changed to ira_object_t, all callers changed.
        (finish_allocno): Changed to expect live ranges in the allocno's object.
        (move_allocno_live_ranges, copy_allocno_live_ranges,
        update_bad_spill_attribute, setup_min_max_allocno_live_range_point,
        ira_flattening, ira_build): Likewise.
        * ira-color.c (allocnos_have_intersected_live_ranges_p,
        slot_coalesced_allocno_live_ranges_intersect,
        setup_slot_coalesced_allocno_live_ranges, fast_allocation): Likewise.
        * ira-conflicts.c (build_conflict_bit_table): Likewise.
        * ira-emit.c (add_range_and_copies_from_move_list): Likewise.
        * ira-lives.c (make_allocno_born, update_allocno_pressure_excess_length,
        make_allocno_dead, create_start_finish_chains,
        remove_some_program_points_and_update_live_ranges,
        ira_debug_live_range_list): Likewise.

        * ira-int.h (ira_object_conflict_iterator): Rename from
        ira_allocno_conflict_iterator.
        (ira_object_conflict_iter_init): Rename from
        ira_allocno_conflict_iter_init, second arg changed to
        * ira.c (check_allocation): Use FOR_EACH_OBJECT_CONFLICT rather than
        FOR_EACH_ALLOCNO_CONFLICT.
        * ira-color.c (assign_hard_reg, push_allocno_to_stack)
        setup_allocno_left_conflicts_size, coalesced_allocno_conflict_p,
        ira_reassign_conflict_allocnos, ira_reassign_pseudos): Likewise.
        * ira-conflicts.c (print_allocno_conflicts): Likewise.

2010-07-13  Joern Rennecke  <joern.rennecke@embecosm.com>

        PR other/44874
        * tree-dump.c (dump_options): Add enumerate_locals entry.
        Add TDF_NOID exclusion to all entry.
        * tree-dump.h (dump_enumerated_decls): Declare.
        * tree-pretty-print.c (dump_generic_node): For TDF_NOID,
        Don't display type uid.
        (print_declaration): Don't crash on TREE_TYPE (t) == 0.
        * tree-pass.h (TDF_ENUMERATE_LOCALS): Define.
        * tree-ssa-live.c: Include gimple.h.
        (numbered_tree_d): New struct.
        (numbered_tree): New typedef.
        (DEF_VEC_O (numbered_tree): New.
        (DEF_VEC_ALLOC_O (numbered_tree, heap)): Likewise.
        (compare_decls_by_uid, dump_enumerated_decls_push): New functions.
        (dump_enumerated_decls): Likewise.
        * tree-optimize.c (execute_cleanup_cfg_post_optimizing): If comparing
        debug info and flag_dump_final_insns, call dump_enumerated_decls.
        * tree-cfg.c (dump_function_to_file): Call dump_enumerated_decls.
        * Makefile.in (tree-ssa-live.o): Depend on $(GIMPLE_H).

2010-07-13  Richard Sandiford  <rdsandiford@googlemail.com>

        * expmed.h (MAX_BITS_PER_WORD): Move to...
        * defaults.h (MAX_BITS_PER_WORD): ...here.

2010-07-13  DJ Delorie  <dj@redhat.com>

        * config/h8300/h8300.c (h8300_init_once): Default to
        -fstrict_volatile_bitfields.

        * config/sh/sh.c (sh_override_options): Default to
        -fstrict_volatile_bitfields.

        * config/rx/rx.c (rx_option_override): New.

        * config/m32c/m32c.c (m32c_override_options): Default to
        -fstrict_volatile_bitfields.

2010-07-13  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.h (build_function_call_expr): Delete.
        (build_call_expr_loc_array): New function.
        (build_call_expr_loc_vec): New function.
        * tree-flow.h (struct omp_region): Change type of ws_args field
        to a VEC.
        * builtins.c (build_function_call_expr): Delete.
        (build_call_expr_loc_array): New function.
        (build_call_expr_loc): Call it.  Use XALLOCAVEC.
        (build_call_expr): Likewise.
        (build_call_expr_loc_vec): New function.
        * cgraphunit.c (build_cdtor): Call build_call_expr instead of
        build_function_call_expr.
        * expr.c (emutls_var_address): Likewise.
        * varasm.c (emutls_common_1): Likewise.
        * omp-low.c (expand_omp_atomic_mutex): Likewise.
        (expand_omp_taskreg): Adjust for new type of region->ws_args.
        (get_ws_args_for): Return a VEC instead of a tree.
        (expand_parallel_call): Call build_call_expr_loc_vec instead of
        build_function_call_expr.
        * stor-layout.c (self_referential_size): Likewise.

2010-07-13  Jakub Jelinek  <jakub@redhat.com>

        PR testsuite/44701
        * recog.c (constrain_operands): Allow side-effects in memory
        operands if either < or > constraint is used, rather than if
        both < and > is used.

2010-07-13  Richard Guenther  <rguenther@suse.de>

        PR middle-end/44911
        * tree-pretty-print.c (dump_generic_node): Use TDF_SLIM for
        MEM_REF pointer type dumping.  Avoid recursing for TYPE_DECLs
        without name.

2010-07-13  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/44761
        * mode-switching.c (optimize_mode_switching): Add ATTRIBUTE_UNUSED
        to variable emited.
        * config/sh/sh.c (sh_expand_epilogue): Remove unused variable.
        * config/sh/sh.md (symGOT_load): Likewise.
        (symDTPOFF2reg): Likewise.
        (symTPOFF2reg): Likewise.

2010-07-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * expmed.c (MAX_BITS_PER_WORD): Moved to expmed.h.
        * expmed.h (MAX_BITS_PER_WORD): Moved from expmed.c.

2010-07-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/i386/sol2-unwind.h (x86_64_fallback_frame_state): Correct
        explanation.
        Find ucontext_t * on Solaris 11.
        (x86_fallback_frame_state): Handle Solaris 9 multi-threaded pattern.
        Handle new Solaris 11 __sighndlr patterns.

2010-07-13  Jakub Jelinek  <jakub@redhat.com>

        PR debug/44901
        * vec.h (VEC_block_remove): Fix comment.
        * tree-ssa-live.c (remove_unused_locals): Don't use
        VEC_unordered_remove on local_decls, instead replace a single
        vector element in each iteration if at least one element had
        to be removed and VEC_truncate at the end.
        * omp-low.c (expand_omp_taskreg): Likewise.

2010-07-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c-decl.c (finish_function): Fix typo in comment.
        
2010-07-12  H.J. Lu  <hongjiu.lu@intel.com>

        PR bootstrap/44921
        * postreload.c (move2add_use_add3_insn): Silence gcc warning
        on min_regno.

2010-07-12  Jakub Jelinek  <jakub@redhat.com>

        * tree-vrp.c (simplify_bit_ops_using_ranges): New function.
        (simplify_stmt_using_ranges): Use it.

2010-07-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.h (struct spu_builtin_description): Remove FNDECL
        member.  Do not mark as GTY(()).
        * config/spu/spu.c (spu_builtins): Remove FNDECL initializer elements.
        (spu_builtin_decls): New static variable.
        (spu_builtin_decl): Use it instead of spu_builtins[].fndecl.
        (spu_init_builtins): Likewise.
        (spu_builtin_mul_widen_even): Likewise.
        (spu_builtin_mul_widen_odd): Likewise.
        (spu_builtin_mask_for_load): Likewise.
        (spu_builtin_vec_perm): Likewise.
        * config/spu/spu-c.c: Include "target.h".
        (spu_resolve_overloaded_builtin): Call targetm.builtin_decl instead
        of using spu_builtins[].fndecl.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (mips_override_options): Make -mflip-mips16
        imply -minterlink-mips16.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.h (mips16_globals): Declare.
        (SWITCHABLE_TARGET): Define.
        * config/mips/mips.c: Include target-globals.h.
        (mips16_globals): New variable.
        (mips_set_mips16_mode): Use save_target_globals and
        restore_target_globals instead of target_reinit.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * reginfo.c (init_reg_sets): Don't zero globals here.  Update comment
        to say that the function can be called more than once.
        * target-globals.c (save_target_globals): Call init_reg_sets.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (bb-reorder.o, target-globals.o): Depend on bb-reorder.h
        * bb-reorder.h: New file.
        * bb-reorder.c (default_target_bb_reorder): New variable.
        (this_target_bb_reorder): New conditional variable.
        (uncond_jump_length): Redefine as a macro.
        * target-globals.h (this_target_bb_reorder): Declare.
        (target_globals): Add a bb_reorder field.
        (restore_target_globals): Copy the bb_reorder field to
        this_target_bb-reorder.
        * target-globals.c: Include bb-reorder.h.
        (default_target_globals): Initialize the bb_reorder field.
        (save_target_globals): Likewise.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (gcse.o, target-globals.o): Depend on gcse.h..
        * gcse.h: New file.
        * gcse.c: Include gcse.h.
        (default_target_gcse): New variable.
        (this_target_gcse): New conditional variable.
        (can_copy): Redefine as a macro.
        (can_copy_init_p): New macro.
        (can_copy_p): Remove can_copy_init_p.
        * target-globals.h (this_target_gcse): Declare.
        (target_globals): Add a gcse field.
        (restore_target_globals): Copy the gcse field to
        this_target_gcse.
        * target-globals.c: Include gcse.h.
        (default_target_globals): Initialize the gcse field.
        (save_target_globals): Likewise.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * ira-int.h (target_ira_int): Add x_ira_prohibited_mode_move_regs
        and x_ira_prohibited_mode_move_regs_initialized_p.
        (ira_prohibited_mode_move_regs): Redefine as a macro.
        * ira.c (ira_prohibited_mode_move_regs): Delete.
        (ira_prohibited_mode_move_regs_initialized_p): Redefine as a macro.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * reload.h (target_reload): Add x_cached_reg_save_code and
        x_cached_reg_restore_code.
        * caller-save.c (cached_reg_save_code, cached_reg_restore_code):
        Redefine as macros.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (target-globals.o): Depend on builtins.h.
        * builtins.h: New file.
        * builtins.c: Include builtins.h.
        (default_target_builtins): New variable.
        (this_target_builtins): New conditional variable.
        (apply_args_mode, apply_result_mode): Redefine as macros.
        * target-globals.h (this_target_builtins): Declare.
        (target_globals): Add a builtins field.
        (restore_target_globals): Copy the builtins field to
        this_target_builtins.
        * target-globals.c: Include builtins.h.
        (default_target_globals): Initialize the builtins field.
        (save_target_globals): Likewise.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * expmed.h (alg_code, mult_cost, MULT_COST_LESS, CHEAPER_MULT_COST)
        (algorithm, alg_hash_entry, NUM_ALG_HASH_ENTRIES, alg_hash): Moved
        from expmed.c.
        (target_expmed): Add x_alg_hash and x_alg_hash_used_p.
        (alg_hash, alg_hash_used_p): New macros.
        * expmed.c (init_expmed): Clear alg_hash if reinitializing.
        (alg_code, mult_cost, MULT_COST_LESS, CHEAPER_MULT_COST, algorithm)
        (alg_hash_entry, NUM_ALG_HASH_ENTRIES, alg_hash): Moved to expmed.h.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * ira-int.h (target_ira_int): Add x_max_struct_costs_size, x_init_cost,
        x_temp_costs, x_op_costs, x_this_op_costs and x_cost_classes.
        * ira-costs.c (max_struct_costs_size, init_cost, temp_costs, op_costs)
        (this_op_costs, costs_classes): Redefine as macros.
        (record_reg_classes): Don't take op_costs as a parameter.
        (record_operand_costs): Likewise.  Update calls to record_reg_classes.
        (scan_one_insn): Update call to record_operand_costs.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (target-globals.o): Depend on $(IRA_INT_H).
        * ira-int.h (ira_max_nregs, ira_important_class_nums): Delete.
        (target_ira_int): New structure.
        (default_target_ira_int): Declare.
        (this_target_ira_int): Declare as a variable or define as a macro.
        (ira_reg_mode_hard_regset, ira_register_move_cost)
        (ira_may_move_in_cost, ira_may_move_out_cost, ira_class_subset_p)
        (ira_non_ordered_class_hard_regs, ira_class_hard_reg_index)
        (prohibited_class_mode_regs, ira_important_classes_num)
        (ira_important_classes, ira_reg_class_intersect)
        (ira_reg_classes_intersect_p, ira_reg_class_super_classes)
        (ira_reg_class_union): Redefine as macros.
        * ira.h (target_ira): New structure.
        (default_target_ira): Declare.
        (this_target_ira): Declare as a variable or define as a macro.
        (ira_available_class_regs, ira_hard_regno_cover_class)
        (ira_reg_class_cover_size, ira_reg_class_cover, ira_class_translate)
        (ira_reg_class_nregs, ira_memory_move_cost, ira_class_hard_regs)
        (ira_class_hard_regs_num): Redefine as macros.
        * ira.c (default_target_ira, default_target_ira_int): New variables.
        (this_target_ira, this_target_ira_int): New conditional variables.
        (ira_reg_mode_hard_regset, ira_memory_move_cost)
        (ira_register_move_cost, ira_may_move_in_cost, ira_may_move_out_cost)
        (ira_class_subset_p): Delete.
        (no_unit_alloc_regs): Redefine as a macro.
        (ira_class_hard_regs, ira_non_ordered_class_hard_regs)
        (ira_class_hard_regs_num, ira_class_hard_reg_index)
        (ira_available_class_regs): Delete.
        (alloc_reg_class_subclasses): Redefine as a macro.
        (ira_reg_class_cover_size, ira_reg_class_cover)
        (ira_important_classes_num, ira_important_classes)
        (ira_important_class_nums, ira_class_translate): Delete.
        (cover_class_order): Document the variable's lifetime.
        (reorder_important_classes): Don't set ira_important_class_nums.
        (ira_reg_class_intersect, ira_reg_classes_intersect_p)
        (ira_reg_class_super_classes, ira_reg_class_union)
        (ira_hard_regno_cover_class, ira_reg_class_nregs, ira_max_nregs):
        Delete.
        (setup_reg_class_nregs): Don't set ira_max_regs.
        (prohibited_class_mode_regs): Delete.
        * target-globals.h (this_target_ira, this_target_ira_int): Declare.
        (target_globals): Add ira and ira_int fields.
        (restore_target_globals): Copy the ira field to this_target_ira
        and the ira_int field to this_target_ira_int.
        * target-globals.c: Include ira-int.h.
        (default_target_globals): Initialize the ira and ira_int fields.
        (save_target_globals): Likewise.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (target-globals.o): Depend on $(CFGLOOP_H).
        * cfgloop.h (target_cfgloop): New structure.
        (default_target_cfgloop): Declare.
        (this_target_cfgloop): Declare as a variable or define as a macro.
        (target_avail_regs, target_clobbered_regs, target_res_regs)
        (target_reg_cost, target_spill_cost): Redefine as macros.
        * cfgloopanal.c (default_target_cfgloop): New variable.
        (this_target_cfgloop): New conditional variable.
        (target_avail_regs, target_clobbered_regs, target_res_regs)
        (target_reg_cost, target_spill_cost): Delete.
        * target-globals.h (this_target_cfgloop): Declare.
        (target_globals): Add a cfgloop field.
        (restore_target_globals): Copy the cfgloop field to
        this_target_cfgloop.
        * target-globals.c: Include cfgloop.h.
        (default_target_globals): Initialize the cfgloop field.
        (save_target_globals): Likewise.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * regs.h (target_regs): Add x_direct_load, x_direct_store and
        x_float_extend_from_mem.
        (direct_load, direct_store, float_extend_from_mem): New macros.
        * expr.c (direct_load, direct_store, float_extend_from_mem): Delete.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (LIBFUNCS_H): Add $(HASHTAB_H).
        (target-globals.o): Depend on $(LIBFUNCS_H).
        * libfuncs.h: Include hashtab.h.
        (libfunc_entry): Moved from optabs.c.
        (target_libfuncs): New structure.
        (default_target_libfuncs): Declare.
        (this_target_libfuncs): Declare as a variable or define as a macro.
        (libfunc_table): Redefine as a macro.
        * optabs.c (default_target_libfuncs): New variable.
        (this_target_libfuncs): New conditional variable.
        (libfunc_table): Delete.
        (libfunc_entry): Moved to optabs.h.
        (libfunc_hash): Redefine as a macro.
        (hash_libfunc, eq_libfunc): Fix comments.
        (init_optabs): Use libfunc_hash to detect cases where the function
        has already been called.  Clear the hash table instead of
        recreating it.
        * target-globals.h (this_target_libfuncs): Declare.
        (target_globals): Add a libfuncs field.
        (restore_target_globals): Copy the libfuncs field to
        this_target_libfuncs.
        * target-globals.c: Include libfuncs.h.
        (default_target_globals): Initialize the libfuncs field.
        (save_target_globals): Likewise.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (LIBFUNCS_H): New variable.  Use instead of libfuncs.h
        in all dependency lists.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (target-globals.o): Depend on $(EXPR_H) and $(OPTABS_H).
        * optabs.h (target_optabs): New structure.
        (default_target_optabs): Declare.
        (this_target_optabs): Declare as a variable or define as a macro.
        (optab_table, convert_optab_table, direct_optab_table): Redefine
        as macros.
        * optabs.c (default_target_optabs): New variable.
        (this_target_optabs): New conditional variable.
        (optab_table, convert_optab_table, direct_optab_table): Delete.
        * target-globals.h (this_target_optabs): Declare.
        (target_globals): Add a optabs field.
        (restore_target_globals): Copy the optabs field to
        this_target_optabs.
        * target-globals.c: Include expr.h and optabs.h.
        (default_target_globals): Initialize the optabs field.
        (save_target_globals): Likewise.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * flags.h (target_flagstate): Add x_flag_excess_precision.
        (flag_excess_precision): Redefine as a macro.
        * toplev.c (flag_excess_precision): Delete.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * defaults.h (MAX_MOVE_MAX, MIN_UNITS_PER_WORD): Define if not defined.
        * libgcc2.c (MIN_UNITS_PER_WORD): Delete.
        * hard-reg-set.h (target_hard_regs): Add x_no_caller_save_reg_set.
        (no_caller_save_reg_set): Redefine as a macro.
        * reload.h (target_reload): Add x_caller_save_initialized_p and
        x_regno_save_mode.
        (caller_save_initialized_p): Redefine as a macro.
        * caller-save.c (caller_save_initialized_p, no_caller_save_reg_set)
        (MAX_MOVE_MAX, MIN_UNITS_PER_WORD): Delete.
        (regno_save_mode): Redefine as a macro.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (expmed.o, target-globals.o): Depend on expmed.h.
        * expmed.h: New file.
        * expmed.c (default_target_costs): New variable.
        (this_target_costs): New conditional variable.
        (sdiv_pow2_cheap, smod_pow2_cheap, zero_cost, add_cost, neg_cost)
        (shift_cost, shiftadd_cost, shiftsub0_cost, shiftsub1_cost, mul_cost)
        (sdiv_cost, udiv_cost, mul_widen_cost, mul_highpart_cost): Delete.
        * target-globals.h (this_target_expmed): Declare.
        (target_globals): Add a expmed field.
        (restore_target_globals): Copy the expmed field to
        this_target_expmed.
        * target-globals.c: Include expmed.h.
        (default_target_globals): Initialize the expmed field.
        (save_target_globals): Likewise.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (target-globals.o): Depend on reload.h.
        * reload.h (target_reload): New structure.
        (default_target_reload): Declare.
        (this_target_reload): Declare as a variable or define as a macro.
        (indirect_symref_ok, double_reg_address_ok): Redefine as macros.
        * reload1.c (default_target_reload): New variable
        (this_target_reload): New conditional variable.
        (indirect_symref_ok, double_reg_address_ok): Delete.
        (spill_indirect_levels): Redefine as a macro.
        * target-globals.h (this_target_reload): Declare.
        (target_globals): Add a reload field.
        (restore_target_globals): Copy the reload field to
        this_target_reload.
        * target-globals.c: Include hard-reg-set.h.
        (default_target_globals): Initialize the reload field.
        (save_target_globals): Likewise.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * rtl.h (target_rtl): Add x_static_reg_base_value.
        * alias.c (static_reg_base_value): Redefine as a macro.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (reginfo.o): Don't depend on $(GGC_H) or gt-reginfo.h.
        (GTFILES): Remove reginfo.c.
        * rtl.h (target_rtl): Add x_top_of_stack.
        (top_of_stack): New macro.
        * reginfo.c: Don't include ggc.h or gt-reginfo.h.
        (top_of_stack): Delete.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * regs.h (target_regs): Add x_hard_regs_of_mode, x_contains_reg_of_mode,
        x_move_cost, x_may_move_in_cost, x_may_move_out_cost and
        x_last_mode_for_init_move_cost.
        (have_regs_of_mode, contains_reg_of_mode, move_cost)
        (may_move_in_cost, may_move_out_cost): Redefine as macros.
        * reginfo.c (have_regs_of_mode, contains_reg_of_mode, move_cost)
        (may_move_in_cost, may_move_out_cost): Delete.
        (last_mode_for_init_move_cost): Redefine as a macro.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * hard-reg-set.h (target_hard_regs): New structure.
        (default_target_hard_regs): Declare.
        (this_target_hard_regs): Declare as a variable or define as a macro.
        (fixed_regs, fixed_reg_set, call_used_regs, call_really_used_regs)
        (call_used_reg_set, call_fixed_reg_set, regs_invalidated_by_call)
        (reg_alloc_order, inv_reg_alloc_order, reg_class_contents)
        (reg_class_size, reg_class_subclasses, reg_class_subunion)
        (reg_class_superunion, reg_names): Redefine as macros.
        * reginfo.c (fixed_regs, fixed_reg_set, call_used_regs)
        (call_used_reg_set, call_really_used_regs, call_fixed_reg_set)
        (regs_invalidated_by_call, reg_alloc_order, inv_reg_alloc_order)
        (reg_class_contents, reg_class_size, reg_class_subclasses)
        (reg_class_subunion, reg_class_superunion, reg_names): Delete.
        (default_target_hard_regs): New variable
        (this_target_hard_regs, initial_call_really_used_regs)
        (initial_reg_alloc_order): New conditional variables.
        (initial_reg_names): New variable.
        (init_reg_sets): Assert that initial_call_really_used_regs,
        initial_reg_alloc_order and initial_reg_names
        are all the same size as their variable counterparts.  Use them to
        initialize those counterparts.
        * target-globals.h (this_target_hard_regs): Declare.
        (target_globals): Add a hard_regs field.
        (restore_target_globals): Copy the hard_regs field to
        this_target_hard_regs.
        * target-globals.c: Include hard-reg-set.h.
        (default_target_globals): Initialize the hard_regs field.
        (save_target_globals): Likewise.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (target-globals.o): Depend on $(RTL_H).
        * rtl.h: (target_rtl): New structure.
        (default_target_rtl): Declare.
        (this_target_rtl): Declare as a variable or define as a macro.
        (global_rtl, pic_offset_table_rtx, return_address_pointer_rtx):
        Redefine as macros.
        * emit-rtl.c (default_target_rtl): New variable.
        (this_target_rtl): New conditional variable.
        (global_rtl, static_regno_reg_rtx, pic_offset_table_rtx)
        (return_address_pointer_rtx): Delete.
        (initial_regno_reg_rtx): New macro.
        (init_emit): Use initial_regno_reg_rtx instead of static_regno_reg_rtx.
        (init_emit_regs): Likewise.
        * target-globals.h (this_target_rtl): Declare.
        (target_globals): Add a rtl field.
        (restore_target_globals): Copy the rtl field to this_target_rtl.
        * target-globals.c: Include rtl.h.
        (default_target_globals): Initialize the rtl field.
        (save_target_globals): Likewise.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (target-globals.o): Depend on $(REGS_H).
        * regs.h (target_reg_modes): New structure.
        (default_target_reg_modes): Declare.
        (this_target_reg_modes): Declare as a variable or define as a macro.
        (hard_regno_nregs, reg_raw_mode): Redefine as macros.
        * reginfo.c (default_target_reg_modes): New variable.
        (this_target_reg_modes): New conditional variable.
        (hard_regno_nregs, reg_raw_mode): Delete.
        * target-globals.h (this_target_regs): Declare.
        (target_globals): Add a regs field.
        (restore_target_globals): Copy the regs field to this_target_regs.
        * target-globals.c: Include regs.h.
        (default_target_globals): Initialize the regs field.
        (save_target_globals): Likewise.

2010-07-12  Richard Sandiford  <rdsandiford@googlemail.com>

        * doc/tm.texi.in (SWITCHABLE_TARGET): Document.
        * doc/tm.texi: Regenerate.
        * Makefile.in (OBJS-common): Add target-globals.o.
        (gtype-desc.o): Depend on $(IPA_PROP_H), $(LTO_STREAMER_H)
        and target-globals.h.
        (target-globals.o): New rule.
        (GTFILES): Include $(srcdir)/target-globals.h.
        * defaults.h (SWITCHABLE_TARGET): Define.
        * gengtype.c (open_base_files): Add target-globals.h to the
        list of includes.
        * target-globals.h: New file.
        * target-globals.c: Likewise.

        * Makefile.in (target-globals.o): Depend on $(FLAGS_H).
        * flags.h (target_flag_state): New structure.
        (default_target_flag_state): Declare.
        (this_target_flag_state): Declare as a variable or define as a macro.
        (align_loops_log): Redefine as a macro.
        (align_loops_max_skip, align_jumps_log): Likewise.
        (align_jumps_max_skip, align_labels_log): Likewise.
        (align_labels_max_skip, align_functions_log): Likewise.
        * toplev.c (default_target_flag_state): New variable.
        (this_target_flag_state): New conditional variable.
        (align_loops_log): Delete.
        (align_loops_max_skip, align_jumps_log): Likewise.
        (align_jumps_max_skip, align_labels_log): Likewise.
        (align_labels_max_skip, align_functions_log): Likewise.
        * target-globals.h (this_target_flag_state): Declare.
        (target_globals): Add a flag_state field.
        (restore_target_globals): Copy the flag_state field to
        this_target_flag_state.
        * target-globals.c: Include flags.h.
        (default_target_globals): Initialize the flag_state field.
        (save_target_globals): Likewise.

2010-07-12  Jie Zhang  <jie@codesourcery.com>

        * postreload.c (reg_symbol_ref[]): New.
        (move2add_use_add2_insn): New.
        (move2add_use_add3_insn): New.
        (reload_cse_move2add): Handle SYMBOL + OFFSET case.
        (move2add_note_store): Likewise.

2010-07-12  Joern Rennecke  <joern.rennecke@embecosm.com>

        PR rtl-optimization/44752
        * genautomata.c (main): Don't emit an empty file even if there
        is no automaton.

2010-07-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/i386/i386.c (ix86_sol10_return_in_memory): Rename to
        ix86_solaris_return_in_memory.
        * config/i386-protos.h: Reflect this.
        * config/i386/vx-common.h (SUBTARGET_RETURN_IN_MEMORY): Likewise.
        * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Likewise.
        Move ...
        * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): ... here.

2010-07-12  Jie Zhang  <jie@codesourcery.com>

        * config/arm/arm.c (arm_get_frame_offsets): Don't use r3 to
        align the stack when it's going to be saved.

2010-07-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR pch/14940
        * config/host-solaris.c (mmap_fixed): New function.
        (sol_gt_pch_get_address): Use it.
        (sol_gt_pch_use_address): Likewise.

2010-07-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32 to
        pentiumpro on Solaris 8 and 9/x86.
        * doc/install.texi (Specific, i?86-*-solaris2.[89]): Recommend GNU as.
        Document SSE/SSE2 support.
        * doc/sourcebuild.texi (Effective-Target Keywords): Document sse.

2010-07-12  Andi Kleen  <ak@linux.intel.com>

        * lto-symtab.c (lto_symtab_merge_decls_1): Use fatal_error
        instead of gcc_assert to print better error message for multiple
        prevailing defs.

2010-07-12  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_asm_output_function_label): Change format
        string placeholder from 0x%x to %#x.
        (ix86_code_end): Use putc to output '\n'.
        (ix86_print_operand) <case ';'>: Use putc to output ';'.

2010-07-11  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/winnt.c (i386_pe_file_end): Quote symbol name
        in directive -export.

2010-07-10  Anatoly Sokolov  <aesok@post.ru>

        * reginfo.h (reg_classes_intersect_p): Change arguments type to
        reg_class_t.
        * rtl.h (reg_classes_intersect_p): Adjust prototype.

        * config/rs6000/rs6000.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
        Remove macros.
        * config/rs6000/rs6000-protos.h (rs6000_register_move_cost,
        rs6000_memory_move_cost): Remove
        * config/rs6000/rs6000.c (TARGET_REGISTER_MOVE_COST,
        TARGET_MEMORY_MOVE_COST): Define.
        (rs6000_register_move_cost): Make static. Change arguments type from
        enum reg_class to reg_class_t. Adjust rs6000_memory_move_cost calls.
        (rs6000_memory_move_cost): Make static. Change arguments type from
        'enum reg_class' to reg_class_t.

2010-07-10  Sandra Loosemore  <sandra@codesourcery.com>

        PR middle-end/42505
        * tree-inline.c (estimate_num_insns): Refactor builtin complexity
        lookup code into....
        * builtins.c (is_simple_builtin, is_inexpensive_builtin): ...these
        new functions.
        * tree.h (is_simple_builtin, is_inexpensive_builtin): Declare.
        * cfgloopanal.c (target_clobbered_regs): Define.
        (init_set_costs): Initialize target_clobbered_regs.
        (estimate_reg_pressure_cost): Add call_p argument.  When true,
        adjust the number of available registers to exclude the
        call-clobbered registers.
        * cfgloop.h (target_clobbered_regs): Declare.
        (estimate_reg_pressure_cost): Adjust declaration.
        * tree-ssa-loop-ivopts.c (struct ivopts_data): Add body_includes_call.
        (ivopts_global_cost_for_size): Pass it to estimate_reg_pressure_cost.
        (determine_set_costs): Dump target_clobbered_regs.
        (loop_body_includes_call): New function.
        (tree_ssa_iv_optimize_loop): Use it to initialize new field.
        * loop-invariant.c (gain_for_invariant): Adjust arguments to pass
        call_p flag through.
        (best_gain_for_invariant): Likewise.
        (find_invariants_to_move): Likewise.
        (move_single_loop_invariants): Likewise, using already-computed
        has_call field.

2010-07-10  Richard Guenther  <rguenther@suse.de>
            Joern Rennecke  <joern.rennecke@embecosm.com>

        PR debug/44832
        * tree-ssa-live.c (mark_all_vars_used_1): Set TREE_USED for LABEL_DECL.
        (remove_unused_scope_block_p): Don't drop TREE_USED LABEL_DECLs
        unless they have DECL_IGNORED_P set.

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

        PR lto/44889
        * gimple.c (gimple_fixup_complete_and_incomplete_subtype_p): New
        helper function.
        (gimple_types_compatible_p): Similar to pointed-to
        types allow and merge a mix of complete and incomplete aggregate.
        Use gimple_fixup_complete_and_incomplete_subtype_p for that.
        (iterative_hash_gimple_type): Adjust for that.

2010-07-10  Richard Sandiford  <r.sandiford@uk.ibm.com>

        * tree.h (DECL_REPLACEABLE_P): Strengthen check for weak symbols.

2010-07-10  Iain Sandoe  <iains@gcc.gnu.org>

        PR objc/44140
        * config/darwin.c (output_objc_section_asm_op): Save and restore
        section when outputting ObjC section list.

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

        * lto-streamer-out.c (produce_symtab): Do not write alias
        cgraph/varpool nodes.

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

        * tree-inline.c (declare_return_variable): Fix ICE while
        inlining DECL_BY_VALUE function not in SSA form

2010-07-09  Changpeng Fang  <changpeng.fang@amd.com>

        PR tree-optimization/44576
        * tree-ssa-loop-prefetch.c (trip_count_to_ahead_ratio_too_small_p):
        New.  Pull out from is_loop_prefetching_profitable to implement
        the trip count to ahead ratio heuristic.
        (mem_ref_count_reasonable_p): New.  Pull out from
        is_loop_prefetching_profitable to implement the instruction to
        memory reference ratio heuristic.  Also consider not reasonable if
        the memory reference count is above a threshold (to avoid
        explosive compilation time.
        (insn_to_prefetch_ratio_too_small_p): New.  Pull out from
        is_loop_prefetching_profitable to implement the instruction to
        prefetch ratio heuristic.
        (is_loop_prefetching_profitable): Removed.
        (loop_prefetch_arrays): Distribute the cost analysis across the
        function to allow early exit of the prefetch analysis.
        is_loop_prefetching_profitable is splitted into three functions,
        with each one called as early as possible.
        (PREFETCH_MAX_MEM_REFS_PER_LOOP): New.  Threshold above which the
        number of memory references in a loop is considered too many.

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

        * reload.c (find_reloads): Don't clear badop if we have a winreg
        alternative, but not win, and the class only has fixed regs.
        * hard-reg-set.h (class_only_fixed_regs): Declare.
        * reginfo.c (class_only_fixed_regs): New array.
        (init_reg_sets_1): Initialize it.
        * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn): Don't
        discourage alternatives using the stack pointer.

        * config/arm/arm.md (addsi3_cbranch): Switch alternatives 0 and 1.

        * config/arm/arm.md (Thumb-1 ldrsb peephole): New.

        * config/arm/arm.md (cbranchqi4): Fix array size.
        (addsi3_cbranch): Also andle alternative 2 like alternative 3 when
        calculating length.

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

        * gimple.c (struct type_fixup_s): New struct and VEC type.
        (gimple_register_type_fixups): New static global.
        (gimple_queue_type_fixup): New function.
        (gimple_types_compatible_p): Queue type fixups instead of
        applying them here.
        (gimple_register_type): Apply queued fixups for the
        canonical type.  Empty the type fixup queue.

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

        * configure.ac (gcc_cv_as_ix86_rep_lock_prefix): Fix test.
        * configure: Regenerate.
        * config.in: Ditto.

2010-07-09  Jakub Jelinek  <jakub@redhat.com>
            Denys Vlasenko  <dvlasenk@redhat.com>
            Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        PR tree-optimization/28632
        * tree-vrp.c (zero_nonzero_bits_from_vr): New function.
        (extract_range_from_binary_expr): Further optimize
        BIT_AND_EXPR and BIT_IOR_EXPR.

2010-07-09  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-if-conv.c (fold_or_predicates): New.
        (add_to_predicate_list): Call it.

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

        PR middle-end/44890
        * tree-ssa-address.c (create_mem_ref_raw): Only build a MEM_REF
        if base is a pointer.
        * tree-cfg.c (verify_expr): Update MEM_REF checking.

2010-07-08  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/44877
        * config/rs6000/rs6000.c (rs6000_expand_builtin): Use
        POINTER_TYPE_P instead of checking only for POINTER_TYPE for the
        builtin mask for load/store builtins.

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

        * configure.ac (gcc_cv_as_ix86_rep_lock_prefix): Also check
        for "lock addl".
        * configure: Regenerate.
        * config/i386/i386.c (ix86_print_operand) <case ';'>:
        Remove TARGET_MACHO.

2010-07-09  Peter Bergner  <bergner@vnet.ibm.com>

        * config/rs6000/rs6000.c (rs6000_override_options): Fix setting of
        default ISA flags.
        * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mvsx.

2010-07-09  Tom de Vries  <tjvries@xs4all.nl>

        * tree.c (type_hash_if_marked_p): Removed non-ggc_marked_p clause.

2010-07-09  Hariharan Sandanagobalane  <hariharan@picochip.com>

        * config/picochip/picochip.md (commsTestPort): Emit more
        efficient sequence for tstport instruction.

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

        * config/i386/i386.c (ix86_veclib_handler): Make static.

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

        PR tree-optimization/44852
        * tree-ssa-alias.c: Include toplev.h for exact_log2.
        (indirect_ref_may_alias_decl_p): Properly handle negative offsets
        in MEM_REF.
        (indirect_refs_may_alias_p): Likewise.
        * Makefile.in (tree-ssa-alias.o): Add $(TOPLEV_H).

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

        PR tree-optimization/44882
        * tree-vect-stmts.c (vectorizable_store): Do not assert alias
        sets do conflict.
        (vectorizable_load): Likewise.

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

        PR target/40657
        * config/arm/arm.c (thumb1_extra_regs_pushed): New arg FOR_PROLOGUE.
        All callers changed.
        Handle the case when we're called for the epilogue.
        (thumb_unexpanded_epilogue): Use it.
        (thumb1_expand_epilogue): Likewise.

2010-07-09  Jakub Jelinek  <jakub@redhat.com>

        * tree-vrp.c (extract_range_from_binary_expr) <BIT_AND_EXPR>: If
        both ranges are range_int_cst_p with non-negative minimum,
        try harder to derive smaller range.

2010-07-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * genrecog.c: Include diagnostic-core.h before toplev.h.
        * genoutput.c: Likewise.
        * genextract.c: Likewise.
        * genautomata.c: Likewise.
        * genemit.c: Likewise.
        * genpeep.c: Likewise.
        * genattrtab.c: Likewise.
        * genconditions.c: Likewise.
        * genpreds.c: Likewise.

2010-07-08  Andi Kleen  <ak@linux.intel.com>

        * lto-section-in.c (lto_section_name): Add missing comma.

2010-07-08  Anatoly Sokolov  <aesok@post.ru>

        * config/ia64/ia64.h (OVERRIDE_OPTIONS): Remove macros.
        * config/ia64/ia64-protos.h (ia64_override_options): Remove.
        * config/ia64/ia64.c (TARGET_OPTION_OVERRIDE): Define.
        (ia64_override_options): Rename to...
        (ia64_option_override): ... this one. Make static.

2010-07-08  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/44843
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not rely on the
        pointed-to type of the offset in a MEM_REF to compute the alignment.

2010-07-08  Kai Tietz  <kai.tietz@onevision.com>

        * final.c (final_scan_insn): Replace
        TARGET_UNWIND_INFO macro check by unwind_emit
        hook NULL check.
        * targhooks.c (default_unwind_emit): Removed.
        * targhooks.h (default_unwind_emit): Likewise.
        * target.def (unwind_emit): Set default value to NULL.

        * config/i386/i386-protos.h (ix86_asm_output_function_label):
        New prototype.
        * config/i386/i386.c (ix86_function_ms_hook_prologue): Check
        for NULL fntype argument and allow 64-bit targets.
        (ix86_asm_output_function_label): New function.
        (ix86_expand_prologue): Handle 64-bit ms hook prologue.
        (ix86_handle_fndecl_attribute): Likewise.
        * doc/extend.texi (ms_hook_prologue): Adjust documentation.
        * doc/doc/tm.texi: Regenerated.
        * doc/doc/doc/tm.texi.in (ASM_OUTPUT_FUNCTION_LABEL): New.
        (ASM_DECLARE_FUNCTION_NAME): Adjust documentation.
        * defaults.h (ASM_OUTPUT_FUNCTION_LABEL): New macro.
        * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Use
        ASM_OUTPUT_FUNCTION_LABEL instead of ASM_OUTPUT_LABEL.
        * config/elfos.h: Likewise.
        * config/i386/cygming.h: Likewise.
        * config/netbsd-aout.h: Likewise.
        * config/openbsd.h: Likewise.
        * config/i386/i386.h (ASM_OUTPUT_FUNCTION_LABEL): Override
        by ix86_asm_output_function_label function call.
        * varasm.c (assemble_start_function): Use
        ASM_OUTPUT_FUNCTION_LABEL instead of ASM_OUTPUT_LABEL.

2010-07-08  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_will_be_removed_from_program_if_no_direct_calls):
        New function.
        * cgraph.h (cgraph_will_be_removed_from_program_if_no_direct_calls):
        Declare.
        * ipa-cp.c (ipcp_estimate_growth): Use it.
        * ipa-inline.c (cgraph_estimate_growth, cgraph_decide_inlining):
        Likewise.

2010-07-08  Jan Hubicka  <jh@suse.cz>

        * tree-inline.c (declare_return_variable): Allocate annotation for new
        temporary.

2010-07-08  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/44710
        * tree-if-conv.c (parse_predicate): New.
        (add_to_predicate_list): Call it, call maybe_fold_or_comparisons.
        Make sure that the predicates are either SSA_NAMEs or gimple_condexpr.

2010-07-08  Sebastian Pop  <sebastian.pop@amd.com>

        * common.opt (ftree-loop-if-convert): New flag.
        * doc/invoke.texi (ftree-loop-if-convert): Documented.
        * tree-if-conv.c (gate_tree_if_conversion): Enable if-conversion
        when flag_tree_loop_if_convert is set.

2010-07-08  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c: Use short syntax for function calls
        through function pointers.
        * config/i386/i386.md: Ditto.

2010-07-08  Eric Botcazou  <ebotcazou@adacore.com>

        * emit-rtl.c (set_mem_attributes_minus_bitpos): Fix formatting issues.

2010-07-08  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address): Fix
        stmt check for POINTER_PLUS_EXPRs, fix the pointer assignment.

2010-07-08  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (mem_loc_descriptor): Use DW_OP_const[48]u
        instead of DW_OP_addr for DW_OP_GNU_push_tls_address operand.
        (loc_list_from_tree): Likewise.
        (output_loc_operands): Handle outputting DW_OP_const[48]u
        with loc->dtprel set.
        (resolve_addr_in_expr): Handle loc->dtprel like DW_OP_addr.

2010-07-08  Jan Hubicka  <jh@suse.cz>

        * ipa.c: Include pointer-set.h
        (cgraph_externally_visible_p): New attribute ALIASED;
        when in LTO, hidden symbols are local unless they are aliased.
        (function_and_variable_visibility): Compute aliased nodes;
        handle LTO and hidden symbol on functions and vars.
        * cgraph.c (cgraph_make_decl_local): Clear NAMED_SECTION
        for COMDAT symbols; handle COMDAT_GROUPS also at vars.

2010-07-08  Eric Botcazou  <ebotcazou@adacore.com>

        * config/i386/cygming.h (STACK_CHECK_STATIC_BUILTIN): Define to 1.
        * config/i386/freebsd.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
        * config/i386/linux.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
        * config/i386/linux64.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
        * config/i386/sol2.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
        * config/i386/i386.c (ix86_gen_adjust_stack_and_probe): New variable.
        (ix86_gen_probe_stack_range): Likewise.
        (override_options): Set them.
        (ix86_target_stack_probe): New function.
        (ix86_compute_frame_layout): Force use of push instructions to
        save registers if stack checking with probes is enabled.
        (get_scratch_register_on_entry): New function.
        (release_scratch_register_on_entry): Likewise.
        (ix86_adjust_stack_and_probe): Likewise.
        (output_adjust_stack_and_probe): Likewise.
        (ix86_emit_probe_stack_range): Likewise.
        (output_probe_stack_range): Likewise.
        (ix86_expand_prologue): Emit stack checking code if static built-in
        stack checking is enabled.
        Test ix86_target_stack_probe instead of TARGET_STACK_PROBE.
        * config/i386/i386-protos.h (ix86_target_stack_probe): Declare.
        (output_adjust_stack_and_probe): Likewise.
        (output_probe_stack_range): Likewise.
        * config/i386/i386.md (UNSPECV_PROBE_STACK_RANGE): New constant.
        (allocate_stack_worker_32): Test ix86_target_stack_probe instead of
        TARGET_STACK_PROBE.
        (allocate_stack_worker_64): Likewise.
        (allocate_stack): Likewise.
        (adjust_stack_and_probe): New insn.
        (probe_stack_range): Likewise.

2010-07-08  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44831
        * tree-ssa-phiprop.c (phiprop_insert_phi): Properly build
        a MEM_REF preserving TBAA info of the original dereference.
        Dereference the original pointer if the address is not invariant.
        (propagate_with_phi): Fixup type checks wrt MEM_REFs.  Require
        at least one invariant address that we are going to dereference.

2010-07-08  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44861
        * tree-vect-stmts.c (vectorizable_store): Preserve TBAA
        information when building MEM_REFs.
        (vectorizable_load): Likewise.
        * tree-vect-data-refs.c (vect_setup_realignment): Likewise.

2010-07-08  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sol2-c.c: Do not include diagnostic-core.h.

2010-07-08  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        PR bootstrap/44768
        * cfgexpand.c (estimated_stack_frame_size): Make self-contained
        with respect to current_function_decl. Pass decl of the function.
        * tree-inline.h (estimated_stack_frame_size): Adjust prototype.
        * ipa-inline.c (compute_inline_parameters): Pass decl to
        estimated_stack_frame_size.

2010-07-08  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.c (vn_reference_maybe_forwprop_address):
        New function.
        (valueize_refs): Call it.

2010-07-08  Richard Guenther  <rguenther@suse.de>

        PR rtl-optimization/44838
        * tree-ssa-alias.c (indirect_refs_may_alias_p): When not in
        SSA form do not use pointer equivalence.

2010-07-08  Eric Botcazou  <ebotcazou@adacore.com>

        * dwarf2out.c (AT_linkage_name): Delete.
        (add_linkage_attr): New function.
        (add_linkage_name): Call it to emit the linkage attribute.
        (dwarf2out_finish): Likewise.
        (move_linkage_attr): Explicitly accept both attribute variants.

2010-07-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * toplev.h: Do not include diagnostic-core.h.
        Include diagnostic-core.h in every file that includes toplev.h.
        * c-tree.h: Do not include toplev.h.
        * pretty-print.h: Update comment.
        * Makefile.in: Update dependencies.
        * alias.c: Include diagnostic-core.h in every file that includes
        toplev.h.
        * attribs.c: Likewise.
        * auto-inc-dec.c: Likewise.
        * bb-reorder.c: Likewise.
        * bt-load.c: Likewise.
        * caller-save.c: Likewise.
        * calls.c: Likewise.
        * cfg.c: Likewise.
        * cfganal.c: Likewise.
        * cfgbuild.c: Likewise.
        * cfgcleanup.c: Likewise.
        * cfghooks.c: Likewise.
        * cfgloop.c: Likewise.
        * combine.c: Likewise.
        * config/alpha/alpha.c: Likewise.
        * config/arc/arc.c: Likewise.
        * config/arm/arm.c: Likewise.
        * config/arm/pe.c: Likewise.
        * config/avr/avr.c: Likewise.
        * config/bfin/bfin.c: Likewise.
        * config/cris/cris.c: Likewise.
        * config/crx/crx.c: Likewise.
        * config/darwin-c.c: Likewise.
        * config/darwin.c: Likewise.
        * config/fr30/fr30.c: Likewise.
        * config/frv/frv.c: Likewise.
        * config/h8300/h8300.c: Likewise.
        * config/host-darwin.c: Likewise.
        * config/i386/i386.c: Likewise.
        * config/i386/netware.c: Likewise.
        * config/i386/nwld.c: Likewise.
        * config/i386/winnt-cxx.c: Likewise.
        * config/i386/winnt-stubs.c: Likewise.
        * config/i386/winnt.c: Likewise.
        * config/ia64/ia64-c.c: Likewise.
        * config/ia64/ia64.c: Likewise.
        * config/iq2000/iq2000.c: Likewise.
        * config/lm32/lm32.c: Likewise.
        * config/m32c/m32c-pragma.c: Likewise.
        * config/m32c/m32c.c: Likewise.
        * config/m32r/m32r.c: Likewise.
        * config/m68hc11/m68hc11.c: Likewise.
        * config/m68k/m68k.c: Likewise.
        * config/mcore/mcore.c: Likewise.
        * config/mep/mep-pragma.c: Likewise.
        * config/mep/mep.c: Likewise.
        * config/mmix/mmix.c: Likewise.
        * config/mn10300/mn10300.c: Likewise.
        * config/moxie/moxie.c: Likewise.
        * config/pa/pa.c: Likewise.
        * config/pdp11/pdp11.c: Likewise.
        * config/picochip/picochip.c: Likewise.
        * config/rs6000/rs6000-c.c: Likewise.
        * config/rs6000/rs6000.c: Likewise.
        * config/rx/rx.c: Likewise.
        * config/s390/s390.c: Likewise.
        * config/score/score.c: Likewise.
        * config/score/score3.c: Likewise.
        * config/score/score7.c: Likewise.
        * config/sh/sh.c: Likewise.
        * config/sh/symbian-base.c: Likewise.
        * config/sh/symbian-c.c: Likewise.
        * config/sh/symbian-cxx.c: Likewise.
        * config/sol2-c.c: Likewise.
        * config/sol2.c: Likewise.
        * config/sparc/sparc.c: Likewise.
        * config/spu/spu.c: Likewise.
        * config/stormy16/stormy16.c: Likewise.
        * config/v850/v850-c.c: Likewise.
        * config/v850/v850.c: Likewise.
        * config/vax/vax.c: Likewise.
        * config/vxworks.c: Likewise.
        * config/xtensa/xtensa.c: Likewise.
        * convert.c: Likewise.
        * cse.c: Likewise.
        * cselib.c: Likewise.
        * dbgcnt.c: Likewise.
        * dbxout.c: Likewise.
        * ddg.c: Likewise.
        * dominance.c: Likewise.
        * emit-rtl.c: Likewise.
        * explow.c: Likewise.
        * expmed.c: Likewise.
        * fixed-value.c: Likewise.
        * fold-const.c: Likewise.
        * fwprop.c: Likewise.
        * gcse.c: Likewise.
        * ggc-common.c: Likewise.
        * ggc-page.c: Likewise.
        * ggc-zone.c: Likewise.
        * gimple-low.c: Likewise.
        * gimplify.c: Likewise.
        * graph.c: Likewise.
        * haifa-sched.c: Likewise.
        * ifcvt.c: Likewise.
        * implicit-zee.c: Likewise.
        * integrate.c: Likewise.
        * ira-build.c: Likewise.
        * ira-color.c: Likewise.
        * ira-conflicts.c: Likewise.
        * ira-costs.c: Likewise.
        * ira-lives.c: Likewise.
        * ira.c: Likewise.
        * lists.c: Likewise.
        * loop-doloop.c: Likewise.
        * loop-iv.c: Likewise.
        * lto-opts.c: Likewise.
        * lto-symtab.c: Likewise.
        * main.c: Likewise.
        * modulo-sched.c: Likewise.
        * optabs.c: Likewise.
        * params.c: Likewise.
        * plugin.c: Likewise.
        * postreload-gcse.c: Likewise.
        * postreload.c: Likewise.
        * predict.c: Likewise.
        * profile.c: Likewise.
        * real.c: Likewise.
        * regcprop.c: Likewise.
        * reginfo.c: Likewise.
        * regmove.c: Likewise.
        * reorg.c: Likewise.
        * resource.c: Likewise.
        * rtl.c: Likewise.
        * rtlanal.c: Likewise.
        * sched-deps.c: Likewise.
        * sched-ebb.c: Likewise.
        * sched-rgn.c: Likewise.
        * sdbout.c: Likewise.
        * sel-sched-dump.c: Likewise.
        * sel-sched-ir.c: Likewise.
        * simplify-rtx.c: Likewise.
        * stmt.c: Likewise.
        * stor-layout.c: Likewise.
        * store-motion.c: Likewise.
        * targhooks.c: Likewise.
        * tree-cfg.c: Likewise.
        * tree-cfgcleanup.c: Likewise.
        * tree-dump.c: Likewise.
        * tree-eh.c: Likewise.
        * tree-inline.c: Likewise.
        * tree-nomudflap.c: Likewise.
        * tree-object-size.c: Likewise.
        * tree-optimize.c: Likewise.
        * tree-outof-ssa.c: Likewise.
        * tree-phinodes.c: Likewise.
        * tree-profile.c: Likewise.
        * tree-ssa-ccp.c: Likewise.
        * tree-ssa-coalesce.c: Likewise.
        * tree-ssa-live.c: Likewise.
        * tree-ssa-loop-niter.c: Likewise.
        * tree-ssa-loop-prefetch.c: Likewise.
        * tree-ssa-loop.c: Likewise.
        * tree-ssa-structalias.c: Likewise.
        * tree-ssa-uninit.c: Likewise.
        * tree-ssa.c: Likewise.
        * tree-vect-data-refs.c: Likewise.
        * tree-vect-loop-manip.c: Likewise.
        * tree-vect-loop.c: Likewise.
        * tree-vect-patterns.c: Likewise.
        * tree-vect-stmts.c: Likewise.
        * tree-vrp.c: Likewise.
        * varasm.c: Likewise.
        * vec.c: Likewise.
        * web.c: Likewise.
        * xcoffout.c: Likewise.

2010-07-07  Richard Sandiford  <rdsandiford@googlemail.com>

        * gengtype.c (write_field_root): New function.
        (write_root): Use it.

2010-07-07  Wei Guozhi  <carrot@google.com>

        * config/arm/thumb2.md (peephole2 to convert zero_extract/compare
        of lowest bits to lshift/compare): Add a missing line.

2010-07-07  Wei Guozhi  <carrot@google.com>

        * config/arm/thumb2.md (peephole2 to convert zero_extract/compare
        of lowest bits to lshift/compare): New.

2010-07-07  Tom Tromey  <tromey@redhat.com>

        * doc/tm.texi: Update.
        * doc/tm.texi.in (SDB and DWARF) <TARGET_WANT_DEBUG_PUB_SECTIONS>:
        Add @hook.
        * target.def (want_debug_pub_sections): New hook.
        * config/darwin.h (TARGET_WANT_DEBUG_PUB_SECTIONS): Define.
        * dwarf2out.c (add_pubname_string): Check
        targetm.want_debug_pub_sections.
        (add_pubname): Likewise.
        (add_pubtype): Likewise.

2010-07-07  Jie Zhang  <jie@codesourcery.com>

        * genautomata.c (output_automata_list_min_issue_delay_code):
        Correctly decompress min_issue_delay.

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

        PR rtl-optimization/44404
        * auto-inc-dec.c (find_inc): Avoid calling count_occurrences if
        possible, use reg_overlap_mentioned_p instead.

2010-07-07  Duncan Sands  <baldrick@free.fr>

        PR middle-end/41355
        * tree.c (build_function_type_skip_args): Copy the original type using
        build_distinct_type_copy rather than copy_node.

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

        PR target/44850
        * config/i386/i386.c (ix86_function_ms_hook_prologue): Revert
        revision 161876.
        (ix86_expand_prologue): Likewise.
        (ix86_handle_fndecl_attribute): Likewise.
        (ix86_asm_declare_function_name): Likewise.
        * config/i386/i386.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
        * config/i386/cygming.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
        (SUBTARGET_ASM_DECLARE_FUNCTION_NAME): Likewise.
        * config/i386/i386-protos.h (ix86_asm_declare_function_name): Likewise.
        * doc/extend.texi: Likewise.

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

        PR target/44844
        * config/i386/i386.md (rdrand<mode>): Changed to expand to
        retry if the carry flag isn't valid.
        (rdrand<mode>_1): New.

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

        PR middle-end/44790
        * expr.c (expand_expr_real_1): Go the POINTER_PLUS_EXPR path
        for expanding the constant offset for MEM_REFs.

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

        * tree-ssa-propagate.h (valid_gimple_call_p): Remove.
        * tree-ssa-propagate.c (valid_gimple_call_p): Make static.  Fix.
        * gimple.h (is_gimple_operand): Remove.
        * gimple.c (is_gimple_operand): Likewise.
        (walk_gimple_op): Fix wi->val_only setting for calls.
        * tree-cfg.c (verify_gimple_call): Fix argument validation.
        * tree-profile.c (tree_gen_ic_func_profiler): Do not create
        invalid gimple calls.

2010-07-06  Jan Hubicka  <jh@suse.cz>

        * lto-cgraph.c (output_cgraph): Add missing declaration.

2010-07-06  Jan Hubicka  <jh@suse.cz>

        * lto-cgraph.c (output_cgraph): Output toplevel asms only into first
        partition.

2010-07-06  Alexandre Oliva  <aoliva@redhat.com>

        * doc/gimple.texi (GIMPLE_DEBUG): Document.
        * doc/rtl.texi (Debug Information): New node.
        (NOTE_INSN_VAR_LOCATION): Document.
        (debug_insn): Likewise.
        * doc/generic.texi (DEBUG_EXPR_DECL): Document.

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

        With parts by Richard Guenther.

        PR middle-end/44813
        * tree-ssa-uninit.c (ssa_undefined_value_p): Result decl is defined
        for functions passed by reference.
        * tree.c (needs_to_live_in_memory): RESULT_DECL don't need to live
        in memory when passed by reference.
        * tree-ssa-ccp.c (get_default_value): Only VAR_DECL is undefined at
        beggining.
        * ipa-split.c (split_function): Cleanup way return value is passed;
        handle SSA DECL_BY_REFERENCE retvals.
        * tree-ssa.c (verify_def): Verify that RESULT_DECL is read only when
        DECL_BY_REFERENCE is set.
        * tree-ssa-structalias.c (get_constraint_for_ssa_var, get_fi_for_callee,
        find_what_p_points_to): Handle RESULT_DECL.
        * tree-inline.c (declare_return_variable): Get new entry_block argument;
        when passing by reference ensure that RESULT_DECL is gimple_val.
        (remap_gimple_op_r): Remap RESULT_DECL ssa name.
        (remap_gimple_stmt): Handle SSA DECL_BY_REFERENCE returns.

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

        PR rtl-optimization/44787
        * config/arm/arm.md (arith_shiftsi): Allow stack pointer in operand 2.
        * config/arm/thumb2.md (thumb2_arith_shiftsi): Likewise.

2010-07-06  Jan Hubicka  <jh@suse.cz>

        * lto-symtab.c (lto_cgraph_replace_node): Handle aliases.
        (lto_symtab_resolve_can_prevail_p): Also alias of cgraph node
        with body can prevail.
        (lto_symtab_resolve_symbols): Use cgraph_get_node_or_alias.
        (lto_symtab_merge_cgraph_nodes_1): Do not remove nodes from aliases.
        * cgraph.c (cgraph_get_node_or_alias): New function.
        * cgraph.h (cgraph_get_node_or_alias): Declare.

2010-07-06  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/i386.c (ix86_function_ms_hook_prologue): Enable x64
        support.
        (ix86_expand_prologue): Likewise.
        (ix86_handle_fndecl_attribute): Likewise.
        (ix86_asm_declare_function_name): New function for
        ASM_DECLARE_FUNCTION_NAME.
        * config/i386/i386.h (ASM_DECLARE_FUNCTION_NAME): New macro.
        * config/i386/cygming.h (ASM_DECLARE_FUNCTION_NAME): Removed.
        (SUBTARGET_ASM_DECLARE_FUNCTION_NAME): New macro.
        * config/i386/i386-protos.h (ix86_asm_declare_function_name): New.
        * doc/extend.texi: Adjust documentation about ms_hook_prologue
        attribute.

2010-07-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (immediate_operand): New mode attribute.

        (pro_epilogue_adjust_stack_<mode>_1): Macroize insn from
        pro_epilogue_adjust_stack  and pro_epilogue_adjust_stack_rex64
        using P mode iterator.
        (pro_epilogue_adjust_stack_di_2): Rename from
        pro_epilogue_adjust_stack_rex64_2.

        * config/i386/i386.c (pro_epilogue_adjust_stack): Update for rename.

2010-07-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (insv): Call gen_movdi_insv1 or gen_movsi_insv1
        through gen_mov_insv_1 function pointer.
        (fmod<mode>3): Call gen_truncxf<mode>2_i387_noop_unspec or
        gen_truncxf<mode>2 through gen_truncxf function pointer.
        (remainder<mode>3): Ditto.
        (cmpstrnsi): Rename cmp_insn function pointer to gen_cmp.
        (allocate_stack): Call gen_allocate_stack_worker_64 or
        gen_allocate_stack_worker_32 through gen_allocate_stack_worker
        function pointer.
        (probe_stack): Call gen_iordi3 or gen_iorsi3 through gen_ior3
        function pointer.

2010-07-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*add<mode>3_cconly_overflow): Use <g>
        operand constraint instead of <r><i>m.

2010-07-06  Richard Guenther  <rguenther@suse.de>

        PR middle-end/44828
        * convert.c (convert_to_integer): Watch out for overflowing
        MULT_EXPR as well.

2010-07-05  Jan Hubicka  <jh@suse.cz>

        * lto-streamer.c (write_symbol_vec): Rename to ...
        (write_symbol) ... this one; write only symbol given and when
        present in cache. Sanity check that what is defined is present
        in cgraph/varpool with body/finalized decl.
        (write_symbols_of_kind): Remove.
        (produce_symtab): Take outputblock and sets; use cgraph/varpool/alias
        pairs to produce symtab.
        (produce_asm_for_decls): Update call of produce_symtab; don't do so
        when doing WPA streaming.

2010-07-05  Jan Hubicka  <jh@suse.cz>

        * gimple-fold.c (gimple_fold_obj_type_ref_known_binfo): Check that
        function is still available to fold into.

2010-07-05  Nathan Froyd  <froydnj@codesourcery.com>

        * vec.h (FOR_EACH_VEC_ELT_REVERSE): New macro.
        * function.h (struct_function): Change type of local_decls field
        to a VEC.
        (add_local_decl): New function.
        (FOR_EACH_LOCAL_DECL): New macro.
        * cfgexpand.c (init_vars_expansion): Adjust for new type of
        cfun->local_decls.
        (estimated_stack_frame_size): Likewise.
        (expand_used_vars): Likewise.
        * cgraphbuild.c (build_cgraph_edges): Likewise.
        * function.c (instantiate_decls_1): Likewise.
        * ipa-struct-reorg.c (build_data_structure): Likewise.
        * ipa-type-escape.c (analyze_function): Likewise.
        * lto-streamer-in.c (input_function): Likewise.
        * lto-streamer-out.c (output_function): Likewise.
        * tree-ssa-live.c (remove_unused_locals): Likewise.
        * tree.c (free_lang_data_in_decl): Likewise.
        (find_decls_types_in_node): Likewise.
        * omp-low.c (remove_exit_barrier): Likewise.
        (expand_omp_taskreg): Likewise.
        (list2chain): Rename to...
        (vec2chain): ...this.  Adjust.
        * cgraphunit.c (assemble_thunk): Call add_local_decl.
        * tree-cfg.c (replace_by_duplicate_decl): Likewise.
        * gimple-low.c (record_vars_into): Likewise.
        * tree-inline.c (remap_decls): Likewise.
        (declare_return_variable): Likewise.
        (declare_inline_vars): Likewise.
        (copy_forbidden): Adjust for new type of cfun->local_decls.
        (add_local_variables): New function.
        (expand_call_inline): Call it.
        (tree_function_versioning): Likewise.

2010-07-05  H.J. Lu  <hongjiu.lu@intel.com>

        AVX Programming Reference (June, 2010)
        * config/i386/cpuid.h (bit_F16C): New.
        (bit_RDRND): Likewise.
        (bit_FSGSBASE): Likewise.

        * config/i386/i386-builtin-types.def: Add
        "DEF_FUNCTION_TYPE (UINT16)", function types for
        float16 <-> float conversions and
        "DEF_FUNCTION_TYPE (VOID, UINT64)".

        * config/i386/i386-c.c (ix86_target_macros_internal): Support
        OPTION_MASK_ISA_FSGSBASE, OPTION_MASK_ISA_RDRND and
        OPTION_MASK_ISA_F16C.

        * config/i386/i386.c (OPTION_MASK_ISA_FSGSBASE_SET): New.
        (OPTION_MASK_ISA_RDRND_SET): Likewise.
        (OPTION_MASK_ISA_F16C_SET): Likewise.
        (OPTION_MASK_ISA_FSGSBASE_UNSET): Likewise.
        (OPTION_MASK_ISA_RDRND_UNSET): Likewise.
        (OPTION_MASK_ISA_F16C_UNSET): Likewise.
        (OPTION_MASK_ISA_AVX_UNSET): Add OPTION_MASK_ISA_F16C_UNSET.
        (ix86_handle_option): Handle OPT_mfsgsbase, OPT_mrdrnd and OPT_mf16c.
        (ix86_target_string): Support -mfsgsbase, -mrdrnd and -mf16c.
        (pta_flags): Add PTA_FSGSBASE, PTA_RDRND and PTA_F16C.
        (override_options): Handle them.
        (ix86_valid_target_attribute_inner_p): Handle fsgsbase, rdrnd and f16c.
        (ix86_builtins): Add IX86_BUILTIN_RDFSBASE32,
        IX86_BUILTIN_RDFSBASE64, IX86_BUILTIN_RDGSBASE32,
        IX86_BUILTIN_RDGSBASE64, IX86_BUILTIN_WRFSBASE32,
        IX86_BUILTIN_WRFSBASE64, IX86_BUILTIN_WRGSBASE32,
        IX86_BUILTIN_WRGSBASE64, IX86_BUILTIN_RDRAND16,
        IX86_BUILTIN_RDRAND32, IX86_BUILTIN_RDRAND64,
        IX86_BUILTIN_CVTPH2PS, IX86_BUILTIN_CVTPH2PS256,
        IX86_BUILTIN_CVTPS2PH and IX86_BUILTIN_CVTPS2PH256.
        (bdesc_args): Likewise.
        (ix86_expand_args_builtin): Handle V8SF_FTYPE_V8HI,
        V4SF_FTYPE_V8HI, V8HI_FTYPE_V8SF_INT and V8HI_FTYPE_V4SF_INT.
        (ix86_expand_special_args_builtin): Handle VOID_FTYPE_UINT64,
        VOID_FTYPE_UNSIGNED, UNSIGNED_FTYPE_VOID and UINT16_FTYPE_VOID.
        Handle non-memory store.

        * config/i386/i386.h (TARGET_FSGSBASE): New.
        (TARGET_RDRND): Likewise.
        (TARGET_F12C): Likewise.

        * config/i386/i386.md (UNSPEC_VCVTPH2PS): New.
        (UNSPEC_VCVTPS2PH): Likewise.
        (UNSPECV_RDFSBASE): Likewise.
        (UNSPECV_RDGSBASE): Likewise.
        (UNSPECV_WRFSBASE): Likewise.
        (UNSPECV_WRGSBASE): Likewise.
        (UNSPECV_RDRAND): Likewise.
        (rdfsbase<mode>): Likewise.
        (rdgsbase<mode>): Likewise.
        (wrfsbase<mode>): Likewise.
        (wrgsbase<mode>): Likewise.
        (rdrand<mode>): Likewise.

        * config/i386/i386.opt: Add -mfsgsbase, -mrdrnd and -mf16c.

        * config/i386/immintrin.h (_rdrand_u16): New.
        (_rdrand_u32): Likewise.
        (_readfsbase_u32): Likewise.
        (_readfsbase_u64): Likewise.
        (_readgsbase_u32): Likewise.
        (_readgsbase_u64): Likewise.
        (_writefsbase_u32): Likewise.
        (_writefsbase_u64): Likewise.
        (_writegsbase_u32): Likewise.
        (_writegsbase_u64): Likewise.
        (_rdrand_u64): Likewise.
        (_cvtsh_ss): Likewise.
        (_mm_cvtph_ps): Likewise.
        (_mm256_cvtph_ps): Likewise.
        (_cvtss_sh): Likewise.
        (_mm_cvtps_ph): Likewise.
        (_mm256_cvtps_ph): Likewise.

        * config/i386/sse.md (vcvtph2ps): New.
        (*vcvtph2ps_load): Likewise.
        (vcvtph2ps256): Likewise.
        (vcvtps2ph): Likewise.
        (*vcvtps2ph): Likewise.
        (*vcvtps2ph_store): Likewise.
        (vcvtps2ph256): Likewise.

        * doc/extend.texi: Document FSGSBASE and RDRND built-in functions.

        * doc/invoke.texi: Document -mfsgsbase, -mrdrnd and -mf16c.

2010-07-05  Joern Rennecke  <joern.rennecke@embecosm.com>

        PR bootstrap/44512
        * genenums.c (main): Output include of insn-constants.h
        * Makefile.in (insn-enums.o): Depend on insn-constants.h.

2010-07-05  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_gen_allocate_stack_worker): New.
        (override_options): Initialize it.
        (ix86_expand_prologue): Use it.

2010-07-05  Jakub Jelinek  <jakub@redhat.com>

        * tree-nrv.c (tree_nrv): Set DECL_VALUE_EXPR on found to result.

2010-07-05  Anatoly Sokolov  <aesok@post.ru>

        * double-int.h (fit_double_type): Remove declaration.
        * double-int.c (fit_double_type): Remove function.
        * tree.h (int_fits_type_p): Adjust prototype.
        * tree.c (int_fits_type_p): Return bool. Use double_int_fits_to_tree_p
        instead of fit_double_type.
        (build_int_cst_type): Use double_int_to_tree and shwi_to_double_int
        instead of fit_double_type and build_int_cst_wide.
        * builtins.c (): Use double_int_fits_to_tree_p and double_int_to_tree
        instead of fit_double_type and build_int_cst_wide.
        (fold_builtin_object_size): Use double_int_fits_to_tree_p instead
        of fit_double_type.

2010-07-05  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (cgraph_node, cgraph_varpool_node): Update docmentation of
        in_other_partition.
        * lto-cgraph.c (referenced_from_other_partition_p,
        reachable_from_other_partition_p): Use in_other_partition flags.
        (output_node, output_varpool_node): COMDAT nodes always have private
        copies and thus are never used from other partition.

2010-07-05  Anatoly Sokolov  <aesok@post.ru>

        * config/ia64/ia64.h (MEMORY_MOVE_COST): Remove macro.
        * config/ia64/t-ia64 (ia64.o): Depend on reload.h.
        * config/ia64/ia64.c Include reload.h.
        (ia64_memory_move_cost): New function.
        (TARGET_MEMORY_MOVE_COST): Define.
        (ia64_register_move_cost): Replace MEMORY_MOVE_COST with
        memory_move_cost.

2010-07-05  Sandra Loosemore  <sandra@codesourcery.com>

        PR middle-end/42505
        * tree-ssa-loop-ivopts.c (determine_set_costs): Delete obsolete
        comments about cost model.
        (try_add_cand_for):  Add second strategy for choosing initial set
        based on original IVs, controlled by ORIGINALP argument.
        (get_initial_solution): Add ORIGINALP argument.
        (find_optimal_iv_set_1): New function, split from find_optimal_iv_set.
        (find_optimal_iv_set): Try two different strategies for choosing
        the IV set, and return the one with lower cost.

2010-07-05  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Copy alias info.

2010-07-05  Richard Guenther  <rguenther@suse.de>

        * tree.c (reference_alias_ptr_type): New function.
        * tree.h (reference_alias_ptr_type): Declare.
        * tree-ssa-loop-ivopts.c (copy_ref_info): Restructure to
        allow non-TARGET_MEM_REF new refs.
        (rewrite_use_address): Pass old alias pointer type to create_mem_ref.
        * tree-ssa-address.c (create_mem_ref_raw): Get alias pointer type.
        Build a MEM_REF instead of a TARGET_MEM_REF if possible.
        (create_mem_ref): Get alias pointer type.  Adjust calls to
        create_mem_ref_raw.
        (maybe_fold_tmr): Likewise.
        * tree-flow.h (create_mem_ref): Adjust prototype.

2010-07-05  Jakub Jelinek  <jakub@redhat.com>

        PR c++/44808
        * gimplify.c (gimplify_modify_expr): Only SET_DECL_DEBUG_EXPR if
        *from_p is VAR_DECL.

2010-07-05  Nathan Froyd  <froydnj@codesourcery.com>

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

2010-07-05  Richard Guenther  <rguenther@suse.de>

        * double-int.h (double_int_sub): Declare.
        * double-int.c (double_int_sub): New function.
        * dwarf2out.c (field_byte_offset): Use it.
        * fixed-value.c (do_fixed_add): Likewise.
        (do_fixed_multiply): Likewise.
        (do_fixed_divide): Likewise.
        * tree-predcom.c (add_ref_to_chain): Likewise.
        (determine_roots_comp): Likewise.
        * tree-ssa-loop-niter.c (derive_constant_upper_bound_ops): Likewise.

2010-07-05  Nathan Froyd  <froydnj@codesourcery.com>

        * vec.h (VEC_splice, VEC_safe_splice): New macros.  Add function
        implementations.

2010-07-05  Bernd Schmidt  <bernds@codesourcery.com>

        * config/arm/arm.c (get_arm_condition_code): Remove CC_NOTBmode case.
        * arm-modes.def (CC_NOTB): Don't define.
        * config/arm/arm.md (arm_adddi3): Generate canonical RTL.
        (adddi_sesidi_di, adddi_zesidi_di): Likewise.
        (LTUGEU): New code_iterator.
        (cnb, optab): New corresponding code_attrs.
        (addsi3_carryin_<optab>): Renamed from addsi3_carryin.  Change pattern
        to canonical form.  Operands 1 and 2 are commutative.  Parametrize
        using LTUGEU.
        (addsi3_carryin_shift_<optab>): Likewise.
        (addsi3_carryin_alt2_<optab>): Renamed from addsi3_carryin_alt2.
        Operands 1 and 2 are commutative.  Parametrize using LTUGEU.
        (addsi3_carryin_alt1, addsi3_carryin_alt3): Remove.
        (subsi3_compare): Renamed from subsi3_compare0_c.
        Change CC_NOTB to CC.
        (arm_subsi3_insn): Allow constants for operand 0.
        (compare_scc peephole for eq case): New.
        (compare_scc splitters): Change CC_NOTB to CC.

2010-07-05  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-loop-im.c (for_each_index): Do not handle
        ALIGN_INDIRECT_REF.
        (gen_lsm_tmp_name): Likewise.
        * tree-dump.c (dequeue_and_dump): Likewise.
        * tree-pretty-print.c (dump_generic_node): Likewise.
        (op_code_prio): Likewise.
        (op_symbol_code): Likewise.
        * tree.c (staticp): Likewise.
        (build1_stat): Likewise.
        * tree.h (INDIRECT_REF_P): Likewise.
        * fold-const.c (maybe_lvalue_p): Likewise.
        (operand_equal_p): Likewise.
        * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
        (ao_ref_init_from_vn_reference): Likewise.
        * tree-ssa-loop-ivopts.c (idx_find_step): Likewise.
        (find_interesting_uses_address): Likewise.
        * dwarf2out.c (loc_list_from_tree): Likewise.
        * gimplify.c (gimplify_expr): Likewise.
        * tree-eh.c (tree_could_trap_p): Likewise.
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
        * cfgexpand.c (expand_debug_expr): Likewise.
        * tree-ssa-pre.c (create_component_ref_by_pieces_1): Likewise.
        * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise.
        * tree-cfg.c (verify_types_in_gimple_min_lval): Likewise.
        * config/rs6000/rs6000 (rs6000_check_sdmode): Likewise.
        * tree-ssa-operands.c (get_expr_operands): Likewise.
        * expr.c (safe_from_p): Likewise.
        (expand_expr_real_1): Likewise.  TER BIT_AND_EXPRs into MEM_REFs.
        * tree-vect-data-refs.c (vect_setup_realignment): Build
        BIT_AND_EXPR and MEM_REF instead of ALIGN_INDIRECT_REF.
        * tree-vect-stmts.c (vectorizable_load): Likewise.
        * tree.def (ALIGN_INDIRECT_REF): Remove.

2010-07-05  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44784
        * tree-ssa-pre.c (bitmap_find_leader): Fix dominance check
        for inserted stmts.
        (find_or_generate_expression): Fix SCCVN insertion check.

2010-07-05  Nathan Sidwell  <nathan@codesourcery.com>

        * config/rs6000/e500crtsavg64gprctr.asm: Correct done label name.
        * config/rs6000/e500crtsav64gprctr.asm: Likewise.
        * config/rs6000/e500crtres64gprctr.asm: Likewise. Add FUNC_END
        directives.

2010-07-05  Ira Rosen  <irar@il.ibm.com>

        * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Skip
        statements that are not vectorized.
        * tree-vect-stmts.c (vect_get_load_cost): Update the value stored
        in INSIDE_COST.

2010-07-05  Mikael Pettersson  <mikpe@it.uu.se>

        PR bootstrap/44820
        * config/arm/arm.c (arm_attr_length_move_neon): Delete regno.

2010-07-05  Richard Guenther  <rguenther@suse.de>

        * tree-cfg.c (verify_gimple_return): Handle DECL_BY_REFERENCE
        RESULT_DECLs properly.

2010-07-04  H.J. Lu  <hongjiu.lu@intel.com>

        PR rtl-optimization/44695
        * config/i386/i386.md (extract_code): Removed.
        (<u>divmodqi4): Likewise.
        (divmodqi4): New.
        (udivmodqi4): Likewise.
        (divmodhiqi3): Change div/mod to HImode and extend operand 2 to HImode.
        (udivmodhiqi3): Likewise.

2010-07-04  Jan Hubicka  <jh@suse.cz>

        * lto-cgraph.c (input_edge): Do not care about resolution decisions.

2010-07-04  Jan Hubicka  <jh@suse.cz>

        * cgraphunit.c (init_cgraph): Only initialize dump file if it
        is not already initialized.

2010-07-04  Richard Sandiford  <rdsandiford@googlemail.com>

        * optabs.h (reload_in_optab, reload_out_optab, code_to_optab)
        (vcond_gen_code, vcondu_gen_code, movmem_optab, setmem_optab)
        (cmpstr_optab, cmpstrn_optab, cmpmem_optab, sync_add_optab)
        (sync_sub_optab, sync_ior_optab, sync_and_optab, sync_xor_optab)
        (sync_nand_optab, sync_old_add_optab, sync_old_sub_optab)
        (sync_old_ior_optab, sync_old_and_optab, sync_old_xor_optab)
        (sync_old_nand_optab, sync_new_add_optab, sync_new_sub_optab)
        (sync_new_ior_optab, sync_new_and_optab, sync_new_xor_optab)
        (sync_new_nand_optab): Redefine as macros.
        (sync_compare_and_swap, sync_lock_test_and_set, sync_lock_release):
        Delete.
        (direct_optab_index): New enum.
        (direct_optab_d): New structure.
        (direct_optab): New typedef.
        (direct_optab_table): Declare.
        (direct_optab_handler, set_direct_optab_handler): New functions.
        (sync_compare_and_swap_optab, sync_lock_test_and_set_optab)
        (sync_lock_release_optab): New macros.
        * optabs.c (direct_optab_table): New variable.
        (movcc_gen_code, vcond_gen_code, vcondu_gen_code): Delete.
        (prepare_cmp_insn): Use direct_optab_handler for cmpmem_optab,
        cmpstr_optab and cmpstrn_optab.
        (emit_conditional_move): Likewise for movcc_optab.
        (can_conditionally_move_p): Likewise for movcc_gen_code.
        (init_insn_codes): Clear direct_optab_table.
        (init_optabs): Don't initialize the new "direct optabs" here.
        (get_vcond_icode): Use direct_optab_handler for vcondu_gen_code and
        vcond_gen_code.
        (expand_val_compare_and_swap): Likewise sync_compare_and_swap_optab.
        (expand_bool_compare_and_swap): Likewise sync_compare_and_swap_optab.
        (expand_compare_and_swap_loop): Likewise sync_compare_and_swap_optab.
        (expand_sync_operation): Likewise other sync_*_optabs.
        (expand_sync_fetch_operation): Likewise.  Rename sync_compare_and_swap
        to sync_compare_and_swap_optab.
        (expand_sync_lock_test_and_set): Use direct_optab_handler for
        sync_lock_test_and_set and sync_compare_and_swap, adding "_optab"
        to the names of both.
        * builtins.c (expand_builtin_strcmp): Use direct_optab_handler for
        cmpstr_optab and cmpstrn_optab.
        (expand_builtin_lock_release): Likewise sync_lock_release.
        * expr.c (movmem_optab, setmem_optab, cmpstr_optab, cmpstrn_optab)
        (cmpmem_optab, sync_add_optab, sync_sub_optab, sync_ior_optab)
        (sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab)
        (sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab)
        (sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab)
        (sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab)
        (sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap)
        (sync_lock_test_and_set, sync_lock_release): Delete.
        (emit_block_move_via_movmem): Use direct_optab_handler for movmem_optab.
        (emit_block_move_via_setmem): Use direct_optab_handler for setmem_optab.
        * genopinit.c (optabs): Use set_direct_optab_handler for the new
        macro optabs.
        * omp-low.c (expand_omp_atomic_fetch_op): Update the type of
        the "optab" local variable.  Use direct_optab_handler for optab and
        sync_compare_and_swap_optab.
        * reload1.c (reload_in_optab, reload_out_optab): Delete.
        * targhooks.c (default_secondary_reload): Use direct_optab_handler for
        reload_in_optab and reload_out_optab.
        * config/alpha/alpha.c (alpha_secondary_reload): Likewise.
        * config/frv/frv.c (frv_alloc_temp_reg): Likewise.
        * config/pa/pa.c (pa_secondary_reload): Likewise.
        * java/builtins.c (compareAndSwapInt_builtin): Use direct_optab_handler
        for sync_compare_and_swap, renaming it to sync_compare_and_swap_optab.
        (compareAndSwapLong_builtin, compareAndSwapObject_builtin): Likewise.
        (VMSupportsCS8_builtin): Likewise.

2010-07-04  Richard Sandiford  <rdsandiford@googlemail.com>

        * optabs.h (optab_handlers): Change type of insn_code to int.
        (optab_handler, set_optab_handler, convert_optab_handler)
        (set_convert_optab_handler): Treat the insn_code field as "insn_code -
        CODE_FOR_nothing".
        * optabs.c (optab_table, convert_optab_table): Always zero-initialize.
        (init_insn_codes): Zero both the above arrays.
        (init_optabs): Never call init_insn_codes first time around.

2010-07-04  Richard Sandiford  <rdsandiford@googlemail.com>

        * optabs.h (optab_handler, convert_optab_handler): Turn into
        inline functions that return an insn code.
        (set_optab_handler, set_convert_optab_handler): New functions.
        * builtins.c: Replace optab_handler(X)->insn_code with
        optab_handler or set_optab_handler thoughout.  Likewise
        convert_optab_handler(X)->insn_code with convert_optab_handler
        and set_convert_optab_handler.
        * expmed.c, expr.c, genopinit.c, ifcvt.c, optabs.c, reload.c,
        reload1.c, stmt.c, targhooks.c, tree-ssa-loop-prefetch.c,
        tree-ssa-math-opts.c, tree-vect-data-refs.c, tree-vect-generic.c,
        tree-vect-loop.c, tree-vect-patterns.c, tree-vect-slp.c,
        tree-vect-stmts.c, config/m32c/m32c.c, config/rs6000/rs6000.c,
        config/spu/spu.c: Likewise.

2010-07-04  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/44531
        * config.gcc (sh*-*-*): Use regular expressions instead of
        the 'i' modifier for sed substitutions.

2010-07-04  Jeremie Salvucci  <jeremie.salvucci@free.fr>

        * gimple.c (gimple_body): Comments added.

2010-07-04  Richard Guenther  <rguenther@suse.de>

        PR middle-end/44809
        * gimplify.c (gimplify_expr): Properly build a MEM_REF instead
        of an INDIRECT_REF.

2010-07-04  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44479
        * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Avoid
        extra SSA name copy statements which preserves points-to
        information.
        * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref):
        Copy points-to information for all pointers.  Properly handle
        MEM_REFs.
        (vect_create_data_ref_ptr): Likewise.  Avoid extra SSA name
        copy statements.
        * Makefile.in (tree-ssa-loop-ivopts.o): Add tree-ssa-propagate.h
        dependency.

2010-07-04  Richard Guenther  <rguenther@suse.de>

        PR middle-end/44785
        * tree-inline.c (initialize_inlined_parameters): Do not
        re-use pointer-map slot over remap_type call.

2010-07-04  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.c (vn_reference_lookup_3): Fix last commit.

2010-07-04  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44656
        * tree-ssa-sccvn.c (vn_reference_lookup_3): Try disambiguation
        again after value-replacing in the defintions lhs.

2010-07-04  Ira Rosen  <irar@il.ibm.com>
            Revital Eres  <eres@il.ibm.com>

        * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST):
        Document new arguments.
        * doc/tm.texi: Regenerate.
        * targhooks.c (default_builtin_vectorization_cost): Add new arguments.
        Handle unaligned store.
        * targhooks.h (default_builtin_vectorization_cost): Add new arguments.
        * target.def (builtin_vectorization_cost): Add new arguments.
        * target.h (enum vect_cost_for_stmt): Add unaligned_store.
        * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Take number
        of iterations of prolog loop directly from LOOP_PEELING_FOR_ALIGNMENT.
        (vect_vfa_segment_size): Fix indentation.
        * tree-vectorizer.h (struct _vect_peel_info): New.
        (struct _vect_peel_extended_info): New.
        (struct _loop_vec_info): Add new field for peeling hash table and a
        macro for its access.
        (VECT_MAX_COST): Define.
        (vect_get_load_cost): Declare.
        (vect_get_store_cost, vect_get_known_peeling_cost,
        vect_get_single_scalar_iteraion_cost): Likewise.
        (vect_supportable_dr_alignment): Add new argument.
        * tree-vect-loop.c (new_loop_vec_info): Initialize peeling hash table
        field.
        (destroy_loop_vec_info): Free peeling hash table.
        (vect_analyze_loop_form): Update call to builtin_vectorization_cost.
        (vect_analyze_loop): Move vect_enhance_data_refs_alignment before
        vect_analyze_slp. Fix indentation.
        (vect_get_single_scalar_iteraion_cost): New function.
        (vect_get_known_peeling_cost): Likewise.
        (vect_estimate_min_profitable_iters): Rename byte_misalign to npeel.
        Call vect_get_single_scalar_iteraion_cost instead of cost_for_stmt per
        statement. Move outside cost calculation inside unknown peeling case.
        Call vect_get_known_peeling_cost for known amount of peeling.
        * tree-vect-data-refs.c (vect_compute_data_ref_alignment): Add data
        reference to the print message of forced alignment.
        (vect_verify_datarefs_alignment): Update call to
        vect_supportable_dr_alignment.
        (vect_get_data_access_cost): New function.
        (vect_peeling_hash, vect_peeling_hash_eq, vect_peeling_hash_insert,
        vect_peeling_hash_get_most_frequent, vect_peeling_hash_get_lowest_cost,
        vect_peeling_hash_choose_best_peeling): Likewise.
        (vect_enhance_data_refs_alignment): Fix documentation. Use hash table
        to store all the accesses in the loop and find best possible access to
        align using peeling for known alignment case. For unknown alignment
        check if stores are preferred or if peeling is worthy.
        (vect_find_same_alignment_drs): Analyze pairs of loads too.
        (vect_supportable_dr_alignment): Add new argument and check aligned
        accesses according to it.
        * tree-vect-stmts.c (vect_get_stmt_cost): New function.
        (cost_for_stmt): Call vect_get_stmt_cost.
        (vect_model_simple_cost): Likewise.
        (vect_model_store_cost): Call vect_get_stmt_cost. Call
        vect_get_store_cost to calculate the cost of the statement.
        (vect_get_store_cost): New function.
        (vect_model_load_cost): Call vect_get_stmt_cost. Call
        vect_get_load_cost to calculate the cost of the statement.
        (vect_get_load_cost): New function.
        (vectorizable_store): Update call to vect_supportable_dr_alignment.
        (vectorizable_load): Likewise.
        * config/spu/spu.c (spu_builtin_vectorization_cost): Add new arguments.
        * config/i386/i386.c (ix86_builtin_vectorization_cost): Add new
        arguments. Handle unaligned store.
        * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): New.
        (rs6000_builtin_support_vector_misalignment): Return true for word and
        double word alignments for VSX.
        * tree-vect-slp.c (vect_build_slp_tree): Update calls to
        vect_supportable_dr_alignment and builtin_vectorization_cost.

2010-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/44597
        * config/pa/predicates.md (prefetch_cc_operand): Remove.
        (prefetch_nocc_operand): Likewise.
        * config/pa/pa.md (prefetch): Revise expander to use prefetch_20.
        (prefetch_20): New insn.
        (prefetch_cc): Remove.
        (prefetch_nocc): Likewise.

2010-07-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * expr.c (vector_mode_valid_p): Move to c-common.c.
        * expr.h (vector_mode_valid_p): Do not declare here.
        * system.h: Poison GCC_EXPR_H in front-ends.
        * Makefile.in: Update dependencies.

2010-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/44705
        * config/pa/pa.h (GO_IF_LEGITIMATE_ADDRESS): Reject LABEL_REF.

2010-07-03  Jan Hubicka  <jh@suse.cz>

        * timevar.def (TV_OUT_OF_SSA, TV_VAR_EXPAND, TV_POST_EXPAND,
        TV_VAR_TRACKING_DATAFLOW, TV_VAR_TRACKING_EMIT): New timevars.
        * cfgexpand.c (gimple_expand_cfg): Use new timevars.
        * var-tracking.c (vt_find_locations, variable_tracking_main_1):
        Likewise.

        * lto-stramer-out.c (pass_ipa_lto_gimple_out, pass_ipa_lto_finish_out):
        Update timevars.V
        * timevar.def (TV_IPA_LTO_GIMPLE_IO, TV_IPA_LTO_DECL_IO): Remove.
        (TV_IPA_LTO_GIMPLE_IN, TV_IPA_LTO_GIMPLE_OUT, TV_IPA_LTO_DECL_IN,
        TV_IPA_LTO_DECL_OUT): New.
        * lto.c (read_cgraph_and_symbols, materialize_cgraph): Update timevars.

2010-07-03  Jan Hubicka  <jh@suse.cz>

        * ipa-inline.c (update_edge_key): Break out from ...
        update_callers_keys): ... here;
        (update_callee_keys): Update only the edges from caller to callee.
        (update_all_calle_keys): Do what update_calle_keys did.
        (decide_inlining_of_small_functions): Avoid recomputing of all
        callees when badness increase.

2010-07-03  Jie Zhang  <jie@codesourcery.com>

        * config/arm/arm.c (arm_attr_length_move_neon): New.
        * config/arm/arm-protos.h (arm_attr_length_move_neon): Declare.
        * config/arm/neon.md (define_mode_attr V_slen): Remove.
        (neon_mov<mode> for VSTRUCT): Use arm_attr_length_move_neon
        to compute length attribute.

2010-07-03  Jie Zhang  <jie@codesourcery.com>

        * config/arm/vfp.md (*push_multi_vfp): Use vfp_register_operand
        as predicate for operand 1 and remove its constraint.
        * config/arm/predicates.md (vfp_register_operand): New.
        * config/arm/arm.md (*push_multi): Remove the constraint of operand 1.
        (*push_fp_multi): Likewise.

2010-07-03  Eric Botcazou  <ebotcazou@adacore.com>

        * gimplify.c (mostly_copy_tree_r): Deal with BIND_EXPR.

2010-07-03  Jan Hubicka  <jh@suse.cz>

        * config/i386/i386.c (override_options): Revert accidental commit.

2010-07-02  Le-Chun Wu  <lcwu@google.com>

        PR c++/44128
        * doc/invoke.texi: Update documentation of -Wshadow.

2010-07-02  Daniel Jacobowitz  <dan@codesourcery.com>
            Julian Brown  <julian@codesourcery.com>
            Sandra Loosemore <sandra@codesourcery.com>

        * config/arm/arm.c (arm_canonicalize_comparison): Canonicalize DImode
        comparisons.  Adjust to take both operands.
        (arm_select_cc_mode): Handle DImode comparisons.
        (arm_gen_compare_reg): Generate a scratch register for DImode
        comparisons which require one.  Use xor for Thumb equality checks.
        (arm_const_double_by_immediates): New.
        (arm_print_operand): Allow 'Q' and 'R' for constants.
        (get_arm_condition_code): Handle new CC_CZmode and CC_NCVmode.
        * config/arm/arm.h (CANONICALIZE_COMPARISON): Always use
        arm_canonicalize_comparison.
        * config/arm/arm-modes.def: Add CC_CZmode and CC_NCVmode.
        * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
        prototype.
        (arm_const_double_by_immediates): Declare.
        * config/arm/constraints.md (Di): New constraint.
        * config/arm/predicates.md (arm_immediate_di_operand)
        (arm_di_operand, cmpdi_operand): New.
        * config/arm/arm.md (cbranchdi4): Handle non-Cirrus also.
        (*arm_cmpdi_insn, *arm_cmpdi_unsigned)
        (*arm_cmpdi_zero, *thumb_cmpdi_zero): New insns.
        (cstoredi4): Handle non-Cirrus also.

2010-07-02  Julian Brown  <julian@codesourcery.com>
            Sandra Loosemore <sandra@codesourcery.com>

        PR target/43703
        * config/arm/vec-common.md (add<mode>3, sub<mode>3, smin<mode>3)
        (smax<mode>3): Disable for NEON float modes when
        flag_unsafe_math_optimizations is false.
        * config/arm/neon.md (*add<mode>3_neon, *sub<mode>3_neon)
        (*mul<mode>3_neon)
        (mul<mode>3add<mode>_neon, mul<mode>3neg<mode>add<mode>_neon)
        (reduc_splus_<mode>, reduc_smin_<mode>, reduc_smax_<mode>): Disable
        for NEON float modes when flag_unsafe_math_optimizations is false.
        (quad_halves_<code>v4sf): Only enable if
        flag_unsafe_math_optimizations is true.
        * doc/invoke.texi (ARM Options): Add note about floating point
        vectorization requiring -funsafe-math-optimizations.

2010-07-02  Sandra Loosemore  <sandra@codesourcery.com>
            Julian Brown  <julian@codesourcery.com>

        * config/arm/neon.md (UNSPEC_VABA): Delete.
        (UNSPEC_VABAL): Delete.
        (UNSPEC_VABS): Delete.
        (UNSPEC_VMUL_N): Delete.
        (adddi3_neon): New.
        (subdi3_neon): New.
        (mul<mode>3add<mode>_neon): Make the pattern named.
        (mul<mode>3neg<mode>add<mode>_neon): Likewise.
        (neon_vadd<mode>): Replace with define_expand, and move the remaining
        unspec parts...
        (neon_vadd<mode>_unspec): ...to this.
        (neon_vmla<mode>, neon_vmla<mode>_unspec): Likewise.
        (neon_vlms<mode>, neon_vmls<mode>_unspec): Likewise.
        (neon_vsub<mode>, neon_vsub<mode>_unspec): Likewise.
        (neon_vaba<mode>): Rewrite in terms of vabd.
        (neon_vabal<mode>): Rewrite in terms of vabdl.
        (neon_vabs<mode>): Rewrite without unspec.
        * config/arm/arm.md (*arm_adddi3): Disable for TARGET_NEON.
        (*arm_subdi3): Likewise.
        * config/arm/neon.ml (Vadd, Vsub): Split out 64-bit variants and add
        No_op attribute to disable assembly output checks.
        * config/arm/arm_neon.h: Regenerated.
        * doc/arm-neon-intrinsics.texi: Regenerated.

2010-07-02  Jan Hubicka  <jh@suse.cz>

        * ipa-split.c (split_function): For aggregate values, set the return
        slot optimization bit.  When passing DECL_BY_REFERENCE, produce
        *<retval> = fncall.part ().
        (execute_split_functions): Do not care about DECL_BY_REFERENCE.

2010-07-02  Sandra Loosemore  <sandra@codesourcery.com>

        * config/arm/neon.md (UNSPEC_VAND): Delete.
        (UNSPEC_VBIC): Delete.
        (UNSPEC_VCLZ): Delete.
        (UNSPEC_VCNT): Delete.
        (UNSPEC_VEOR): Delete.
        (UNSPEC_VORN): Delete.
        (UNSPEC_VORR): Delete.
        (iordi3_neon): Rewrite RTL without unspec.  Add alternatives to handle
        core registers too.
        (anddi3_neon): Likewise.
        (orndi3_neon): Likewise.
        (bicdi3_neon): Likewise.
        (xordi3_neon): Likewise.
        (neon_vclz<mode>): Rewrite as define_expand and clz<mode>2 to get
        rid of unspec and handle unused operand.
        (neon_vcnt<mode>): Similarly, with popcount<mode>2.
        * config/arm/predicates.md (imm_for_neon_logic_operand):
        Require TARGET_NEON.
        (imm_for_neon_inv_logic_operand): Likewise.
        * config/arm/arm.md (define_split for logical_binary_operator):
        Disable for NEON registers.
        (anddi3): Add new define_expand, and rename the insn.  Disable
        this insn for NEON, where anddi3_neon now applies.
        (*anddi_notdi_di): Disable for TARGET_NEON, where bicdi3_neon applies.
        (iordi3): As for anddi3.
        (xordi3): Likewise.
        * config/arm/neon.ml (Vand): Split DImode variants and mark them
        as No_op to disable testing for exact instruction match.
        (Vorr): Likewise.
        (Veor): Likewise.
        (Vbic): Likewise.
        (Vorn): Likewise.
        * config/arm/arm_neon.h: Regenerated.
        * doc/arm-neon-intrinsics.texi: Regenerated.

2010-07-02  Eric Botcazou  <ebotcazou@adacore.com>

        * expr.h (emit_stack_probe): Declare.
        * explow.c (emit_stack_probe): Make global.
        (anti_adjust_stack_and_probe): Fix comments.
        * config/sparc/linux.h (STACK_CHECK_STATIC_BUILTIN): Define to 1.
        * config/sparc/linux64.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
        * config/sparc/sol2.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
        * config/sparc/sparc.c: Include except.h.
        (sparc_emit_probe_stack_range): New function.
        (output_probe_stack_range): Likewise.
        (sparc_expand_prologue): Invoke sparc_emit_probe_stack_range if static
        built-in stack checking is enabled.
        * config/sparc/sparc-protos.h (output_probe_stack_range): Declare.
        * config/sparc/sparc.md (UNSPECV_PROBE_STACK_RANGE): New constant.
        (probe_stack_range): New insn.

2010-07-02  Richard Guenther  <rguenther@suse.de>

        PR target/43958
        * config/pa/pa.c (hppa_gimplify_va_arg_expr): Use pointer arithmetic
        for argument alignment.

2010-07-02  Jan Hubicka  <jh@suse.cz>

        * ipa-split.c (verify_non_ssa_vars): Break out from ...; perform DFS
        walk backwards from entry_bb to check only those basic block of header
        that might lead to execution of split part.
        (consider_split) ... here.
        (find_return_bb): Allow assignment in return BB.
        (find_retval): New.
        (split_function): Fix name of cloned function; take care of updating
        return value in return_bb containing move.

2010-07-02  Andreas Schwab  <schwab@linux-m68k.org>

        PR target/44771
        * config/m68k/m68k.c (m68k_expand_prologue): Remove set but not
        used variable insn.

2010-07-02  Eric Botcazou  <ebotcazou@adacore.com>

        * implicit-zee.c (combine_reaching_defs): Fix long lines.
        (is_set_with_extension_DI): Delete.
        (struct zero_extend_info): New structure.
        (add_removable_zero_extend): New function.
        (find_removable_zero_extends): Use note_stores to find SETs.
        (find_and_remove_ze): Fix long line, remove superfluous parentheses.

2010-07-02  Changpeng Fang  <changpeng.fang@amd.com>

        * tree-ssa-loop-prefetch.c (compute_miss_rate): Rename to
        is_miss_rate_acceptable. Pull total_positions computation
        out of the loops.  Early return if miss_positions exceeds
        the acceptable threshold.
        * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Call
        is_miss_rate_acceptable after renaming of compute_miss_rate.

2010-07-02  Changpeng Fang  <changpeng.fang@amd.com>

        PR middle-end/44576
        * tree-ssa-loop-prefetch.c (compute_miss_rate): Return 1000 (out
        of 1000) for miss rate if the address diference is greater than or
        equal to the cache line size (the two reference will never hit the
        same cache line).

2010-07-02  Bernd Schmidt  <bernds@codesourcery.com>

        PR target/42835
        * config/arm/arm-modes.def (CC_NOTB): New mode.
        * config/arm/arm.c (get_arm_condition_code): Handle it.
        * config/arm/thumb2.md (thumb2_compare_scc): Delete pattern.
        * config/arm/arm.md (subsi3_compare0_c): New pattern.
        (compare_scc): Now a define_and_split.  Add a number of extra
        splitters before it.

        PR target/42172
        * config/arm/arm.c (thumb1_rtx_costs): Improve support for SIGN_EXTEND
        and ZERO_EXTEND.
        (arm_rtx_costs_1): Likewise.
        (arm_size_rtx_costs): Use arm_rtx_costs_1 for these codes.
        * config/arm/arm.md (is_arch6): New attribute.
        (zero_extendhisi2, zero_extendqisi2, extendhisi2,
        extendqisi2): Tighten the code somewhat, avoiding invalid
        RTL to occur in the expander patterns.
        (thumb1_zero_extendhisi2): Merge with thumb1_zero_extendhisi2_v6.
        (thumb1_zero_extendhisi2_v6): Delete.
        (thumb1_extendhisi2): Merge with thumb1_extendhisi2_v6.
        (thumb1_extendhisi2_v6): Delete.
        (thumb1_extendqisi2): Merge with thumb1_extendhisi2_v6.
        (thumb1_extendqisi2_v6): Delete.
        (zero_extendhisi2 for register input splitter): New.
        (zero_extendqisi2 for register input splitter): New.
        (thumb1_extendhisi2 for register input splitter): New.
        (extendhisi2 for register input splitter): New.
        (extendqisi2 for register input splitter): New.
        (TARGET_THUMB1 extendqisi2 for memory input splitter): New.
        (arm_zero_extendhisi2): Allow nonimmediate_operand for operand 1,
        and add support for a register alternative requiring a split.
        (thumb1_zero_extendqisi2): Likewise.
        (arm_zero_extendqisi2): Likewise.
        (arm_extendhisi2): Likewise.
        (arm_extendqisi2): Likewise.

2010-07-02  Sandra Loosemore  <sandra@codesourcery.com>

        * config/arm/arm.c (neon_vdup_constant): Expand into canonical RTL
        instead of an unspec.
        (neon_expand_vector_init): Likewise.
        * config/arm/neon.md (UNSPEC_VCOMBINE): Delete.
        (UNSPEC_VDUP_LANE): Delete.
        (UNSPEC VDUP_N): Delete.
        (UNSPEC_VGET_HIGH): Delete.
        (UNSPEC_VGET_LANE): Delete.
        (UNSPEC_VGET_LOW): Delete.
        (UNSPEC_VMVN): Delete.
        (UNSPEC_VSET_LANE): Delete.
        (V_double_vector_mode): New.
        (vec_set<mode>_internal): Make code emitted match that for the
        corresponding intrinsics.
        (vec_setv2di_internal): Likewise.
        (neon_vget_lanedi): Rewrite to expand into emit_move_insn.
        (neon_vget_lanev2di): Rewrite to expand into vec_extractv2di.
        (neon_vset_lane<mode>): Combine double and quad patterns and
        expand into vec_set<mode>_internal instead of UNSPEC_VSET_LANE.
        (neon_vset_lanedi): Rewrite to expand into emit_move_insn.
        (neon_vdup_n<mode>): Rewrite RTL without unspec.
        (neon_vdup_ndi): Rewrite as define_expand and use emit_move_insn.
        (neon_vdup_nv2di): Rewrite RTL without unspec and merge with
        with neon_vdup_lanev2di, adjusting the pattern from the latter
        to be predicable for consistency.
        (neon_vdup_lane<mode>_internal): New.
        (neon_vdup_lane<mode>): Turn into a define_expand and rewrite
        to avoid using an unspec.
        (neon_vdup_lanedi): Rewrite RTL pattern to avoid unspec.
        (neon_vdup_lanev2di): Turn into a define_expand.
        (neon_vcombine): Rewrite pattern to eliminate UNPSEC_VCOMBINE.
        (neon_vget_high<mode>): Replace with....
        (neon_vget_highv16qi): New pattern using canonical RTL.
        (neon_vget_highv8hi): Likewise.
        (neon_vget_highv4si): Likewise.
        (neon_vget_highv4sf): Likewise.
        (neon_vget_highv2di): Likewise.
        (neon_vget_low<mode>): Replace with....
        (neon_vget_lowv16qi): New pattern using canonical RTL.
        (neon_vget_lowv8hi): Likewise.
        (neon_vget_lowv4si): Likewise.
        (neon_vget_lowv4sf): Likewise.
        (neon_vget_lowv2di): Likewise.

        * config/arm/neon.ml (Vget_lane): Add No_op attribute to suppress
        test for this emitting vmov.
        (Vset_lane): Likewise.
        (Vdup_n): Likewise.
        (Vmov_n): Likewise.

        * doc/arm-neon-intrinsics.texi: Regenerated.

2010-07-02  Sandra Loosemore  <sandra@codesourcery.com>

        * config/arm/neon.md (vec_extractv2di): Correct error in register
        numbering to reconcile with neon_vget_lanev2di.

2010-07-02  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (pt_solution_set_var): New function.
        * tree-ssa-alias.h (pt_solution_set_var): Declare.
        * tree-ssa-loop-ivopts.c (copy_ref_info): Also copy or create
        points-to information.

2010-07-02  Christian Borntraeger  <borntraeger@de.ibm.com>

        * config/s390/s390.c (override_options): Adopt prefetching
        at -O3 to handle flag_prefetch_loop_arrays as a tristate.

2010-07-02  Jan Hubicka  <jh@suse.cz>

        * df-problems.c (df_kill_notes): Do not collect dead  notes.
        (df_set_note): Just call add_reg_note.
        (df_set_unused_notes_for_mw, df_set_dead_notes_for_mw,
        df_create_unused_note): Do not deal with lists of old notes.
        (df_note_bb_compute): Likewise.

2010-07-02  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (find_func_aliases): Handle
        pointer alignment via BIT_AND_EXPR.
        * tree-vrp.c (extract_range_from_binary_expr): Likewise.

2010-07-02  Richard Guenther  <rguenther@suse.de>

        * tree-data-ref.c (initialize_data_dependence_relation): Handle
        mismatching number of dimensions properly.

2010-07-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        PR target/44707
        * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Recognize
        (lo_sum (high ...) ...) patterns generated by earlier passes.

2010-07-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/install.texi (Prerequisites): Document Perl requirement on
        Solaris 2.
        (Specific, *-*-solaris2*): Document GNU c++filt requirement.

2010-07-02  Richard Guenther  <rguenther@suse.de>

        PR middle-end/44777
        * tree-cfg.c (gimple_block_ends_with_call_p): Handle empty BBs.

2010-07-02  Jan Hubicka  <jh@suse.cz>

        PR middle-end/44706
        * predict.c (predict_paths_for_bb): Handle case when control dependence
        BB has only abnormal edges.

2010-07-02  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/44748
        * tree-ssa-ccp.c (fold_const_aggregate_ref): Properly handle
        the embedded conversion in MEM_REFs.

2010-07-01  López-Ibáñez  <manu@gcc.gnu.org>

        * reload.c: Include toplev.h.
        * recog.c:  Likewise.
        * Makefile.in: Adjust dependencies.

2010-07-01  Jakub Jelinek  <jakub@redhat.com>

        PR debug/44694
        * dwarf2out.c (reg_loc_descriptor): For eliminated arg_pointer_rtx
        or frame_pointer_rtx use DW_OP_fbreg offset DW_OP_stack_value.

2010-07-01  Richard Guenther  <rguenther@suse.de>

        * emit-rtl.c (set_mem_attributes_minus_bitpos): Use unsigned
        types for offsets.

2010-07-01  Joern Rennecke  <joern.rennecke@embecosm.com>

        PR target/44732
        * config/ia64/ia64.c (ia64_register_move_cost): Remove stray '{'.
        Fix argument types.

2010-07-01  Bernd Schmidt  <bernds@codesourcery.com>

        PR target/44727
        * config/i386/i386.md (peephole2 for arithmetic ops with memory):
        Make sure operand 0 dies.

2010-07-01  Richard Guenther  <rguenther@suse.de>

        PR middle-end/42834
        PR middle-end/44468
        * doc/gimple.texi (is_gimple_mem_ref_addr): Document.
        * doc/generic.texi (References to storage): Document MEM_REF.
        * tree-pretty-print.c (dump_generic_node): Handle MEM_REF.
        (print_call_name): Likewise.
        * tree.c (recompute_tree_invariant_for_addr_expr): Handle MEM_REF.
        (build_simple_mem_ref_loc): New function.
        (mem_ref_offset): Likewise.
        * tree.h (build_simple_mem_ref_loc): Declare.
        (build_simple_mem_ref): Define.
        (mem_ref_offset): Declare.
        * fold-const.c: Include tree-flow.h.
        (operand_equal_p): Handle MEM_REF.
        (build_fold_addr_expr_with_type_loc): Likewise.
        (fold_comparison): Likewise.
        (fold_unary_loc): Fold
        VIEW_CONVERT_EXPR <T1, MEM_REF <T2, ...>> to MEM_REF <T1, ...>.
        (fold_binary_loc): Fold MEM[&MEM[p, CST1], CST2] to MEM[p, CST1 + CST2],
        fold MEM[&a.b, CST2] to MEM[&a, offsetof (a, b) + CST2].
        * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Handle MEM_REF.
        (ptr_deref_may_alias_ref_p_1): Likewise.
        (ao_ref_base_alias_set): Properly differentiate base object for
        offset and TBAA.
        (ao_ref_init_from_ptr_and_size): Use MEM_REF.
        (indirect_ref_may_alias_decl_p): Handle MEM_REFs properly.
        (indirect_refs_may_alias_p): Likewise.
        (refs_may_alias_p_1): Likewise.  Remove pointer SSA name def
        chasing code.
        (ref_maybe_used_by_call_p_1): Handle MEM_REF.
        (call_may_clobber_ref_p_1): Likewise.
        * dwarf2out.c (loc_list_from_tree): Handle MEM_REF.
        * expr.c (expand_assignment): Handle MEM_REF.
        (store_expr): Handle MEM_REFs from STRING_CSTs.
        (store_field): If expanding a MEM_REF of a non-addressable
        decl use bitfield operations.
        (get_inner_reference): Handle MEM_REF.
        (expand_expr_addr_expr_1): Likewise.
        (expand_expr_real_1): Likewise.
        * tree-eh.c (tree_could_trap_p): Handle MEM_REF.
        * alias.c (ao_ref_from_mem): Handle MEM_REF.
        (get_alias_set): Likewise.  Properly handle VIEW_CONVERT_EXPRs.
        * tree-data-ref.c (dr_analyze_innermost): Handle MEM_REF.
        (dr_analyze_indices): Likewise.
        (dr_analyze_alias): Likewise.
        (object_address_invariant_in_loop_p): Likewise.
        * gimplify.c (mark_addressable): Handle MEM_REF.
        (gimplify_cond_expr): Build MEM_REFs.
        (gimplify_modify_expr_to_memcpy): Likewise.
        (gimplify_init_ctor_preeval_1): Handle MEM_REF.
        (gimple_fold_indirect_ref): Adjust.
        (gimplify_expr): Handle MEM_REF.  Gimplify INDIRECT_REF to MEM_REF.
        * tree.def (MEM_REF): New tree code.
        * tree-dfa.c: Include toplev.h.
        (get_ref_base_and_extent): Handle MEM_REF.
        (get_addr_base_and_unit_offset): New function.
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Handle MEM_REF.
        * gimple-fold.c (may_propagate_address_into_dereference): Handle
        MEM_REF.
        (maybe_fold_offset_to_array_ref): Allow possibly out-of bounds
        accesses if the array has just one dimension.  Remove always true
        parameter.  Do not require type compatibility here.
        (maybe_fold_offset_to_component_ref): Remove.
        (maybe_fold_stmt_indirect): Remove.
        (maybe_fold_reference): Remove INDIRECT_REF handling.
        Fold back to non-MEM_REF.
        (maybe_fold_offset_to_address): Simplify.  Deal with type
        mismatches here.
        (maybe_fold_reference): Likewise.
        (maybe_fold_stmt_addition): Likewise.  Also handle
        &ARRAY + I in addition to &ARRAY[0] + I.
        (fold_gimple_assign): Handle ADDR_EXPR of MEM_REFs.
        (gimple_get_relevant_ref_binfo): Handle MEM_REF.
        * cfgexpand.c (expand_debug_expr): Handle MEM_REF.
        * tree-ssa.c (useless_type_conversion_p): Make most pointer
        conversions useless.
        (warn_uninitialized_var): Handle MEM_REF.
        (maybe_rewrite_mem_ref_base): New function.
        (execute_update_addresses_taken): Implement re-writing of MEM_REFs
        to SSA form.
        * tree-inline.c (remap_gimple_op_r): Handle MEM_REF, remove
        INDIRECT_REF handling.
        (copy_tree_body_r): Handle MEM_REF.
        * gimple.c (is_gimple_addressable): Adjust.
        (is_gimple_address): Likewise.
        (is_gimple_invariant_address): ADDR_EXPRs of MEM_REFs with
        invariant base are invariant.
        (is_gimple_min_lval): Adjust.
        (is_gimple_mem_ref_addr): New function.
        (get_base_address): Handle MEM_REF.
        (count_ptr_derefs): Likewise.
        (get_base_loadstore): Likewise.
        * gimple.h (is_gimple_mem_ref_addr): Declare.
        (gimple_call_fndecl): Handle invariant MEM_REF addresses.
        * tree-cfg.c (verify_address): New function, split out from ...
        (verify_expr): ... here.  Use for verifying ADDR_EXPRs and
        the address operand of MEM_REFs.  Verify MEM_REFs.  Reject
        INDIRECT_REFs.
        (verify_types_in_gimple_min_lval): Handle MEM_REF.  Disallow
        INDIRECT_REF.  Allow conversions.
        (verify_types_in_gimple_reference): Verify VIEW_CONVERT_EXPR of
        a register does not change its size.
        (verify_types_in_gimple_reference): Verify MEM_REF.
        (verify_gimple_assign_single): Disallow INDIRECT_REF.
        Handle MEM_REF.
        * tree-ssa-operands.c (opf_non_addressable, opf_not_non_addressable):
        New.
        (mark_address_taken): Handle MEM_REF.
        (get_indirect_ref_operands): Pass through opf_not_non_addressable.
        (get_asm_expr_operands): Pass opf_not_non_addressable.
        (get_expr_operands): Handle opf_[not_]non_addressable.
        Handle MEM_REF.  Remove INDIRECT_REF handling.
        * tree-vrp.c: (check_array_ref): Handle MEM_REF.
        (search_for_addr_array): Likewise.
        (check_array_bounds): Likewise.
        (vrp_stmt_computes_nonzero): Adjust for MEM_REF.
        * tree-ssa-loop-im.c (for_each_index): Handle MEM_REF.
        (ref_always_accessed_p): Likewise.
        (gen_lsm_tmp_name): Likewise.  Handle ADDR_EXPR.
        * tree-complex.c (extract_component): Do not handle INDIRECT_REF.
        Handle MEM_REF.
        * cgraphbuild.c (mark_load): Properly check for NULL result
        from get_base_address.
        (mark_store): Likewise.
        * tree-ssa-loop-niter.c (array_at_struct_end_p): Handle MEM_REF.
        * tree-loop-distribution.c (generate_builtin): Exchange INDIRECT_REF
        handling for MEM_REF.
        * tree-scalar-evolution.c (follow_ssa_edge_expr): Handle
        &MEM[ptr + CST] similar to POINTER_PLUS_EXPR.
        * builtins.c (stabilize_va_list_loc): Use the function ABI
        valist type if we couldn't canonicalize the argument type.
        Always dereference with the canonical va-list type.
        (maybe_emit_free_warning): Handle MEM_REF.
        (fold_builtin_memory_op): Simplify and handle MEM_REFs in folding
        memmove to memcpy.
        * builtins.c (fold_builtin_memory_op): Use ref-all types
        for all memcpy foldings.
        * omp-low.c (build_receiver_ref): Adjust for MEM_REF.
        (build_outer_var_ref): Likewise.
        (scan_omp_1_op): Likewise.
        (lower_rec_input_clauses): Likewise.
        (lower_lastprivate_clauses): Likewise.
        (lower_reduction_clauses): Likewise.
        (lower_copyprivate_clauses): Likewise.
        (expand_omp_atomic_pipeline): Likewise.
        (expand_omp_atomic_mutex): Likewise.
        (create_task_copyfn): Likewise.
        * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle MEM_REF.
        Remove old union trick.  Initialize constant offsets.
        (ao_ref_init_from_vn_reference): Likewise.  Do not handle
        INDIRECT_REF.  Init base_alias_set properly.
        (vn_reference_lookup_3): Replace INDIRECT_REF handling with MEM_REF.
        (vn_reference_fold_indirect): Adjust for MEM_REFs.
        (valueize_refs): Fold MEM_REFs.  Re-evaluate constant offset
        for ARRAY_REFs.
        (may_insert): Remove.
        (visit_reference_op_load): Do not test may_insert.
        (run_scc_vn): Remove parameter, do not fiddle with may_insert.
        * tree-ssa-sccvn.h (struct vn_reference_op_struct): Add
        a field to store the constant offset this op applies.
        (run_scc_vn): Adjust prototype.
        * cgraphunit.c (thunk_adjust): Adjust for MEM_REF.
        * tree-ssa-ccp.c (ccp_fold): Replace INDIRECT_REF folding with
        MEM_REF.  Propagate &foo + CST as &MEM[&foo, CST].  Do not
        bother about volatile qualifiers on pointers.
        (fold_const_aggregate_ref): Handle MEM_REF, do not handle INDIRECT_REF.
        * tree-ssa-loop-ivopts.c
        * tree-ssa-loop-ivopts.c (determine_base_object): Adjust for MEM_REF.
        (strip_offset_1): Likewise.
        (find_interesting_uses_address): Replace INDIRECT_REF handling with
        MEM_REF handling.
        (get_computation_cost_at): Likewise.
        * ipa-pure-const.c (check_op): Handle MEM_REF.
        * tree-stdarg.c (check_all_va_list_escapes): Adjust for MEM_REF.
        * tree-ssa-sink.c (is_hidden_global_store): Handle MEM_REF
        and constants.
        * ipa-inline.c (likely_eliminated_by_inlining_p): Handle MEM_REF.
        * tree-parloops.c (take_address_of): Adjust for MEM_REF.
        (eliminate_local_variables_1): Likewise.
        (create_call_for_reduction_1): Likewise.
        (create_loads_for_reductions): Likewise.
        (create_loads_and_stores_for_name): Likewise.
        * matrix-reorg.c (may_flatten_matrices_1): Sanitize.
        (ssa_accessed_in_tree): Handle MEM_REF.
        (ssa_accessed_in_assign_rhs): Likewise.
        (update_type_size): Likewise.
        (analyze_accesses_for_call_stmt): Likewise.
        (analyze_accesses_for_assign_stmt): Likewise.
        (transform_access_sites): Likewise.
        (transform_allocation_sites): Likewise.
        * tree-affine.c (tree_to_aff_combination): Handle MEM_REF.
        * tree-vect-data-refs.c (vect_create_addr_base_for_vector_ref): Do
        not handle INDIRECT_REF.
        * tree-ssa-phiopt.c (add_or_mark_expr): Handle MEM_REF.
        (cond_store_replacement): Likewise.
        * tree-ssa-pre.c (create_component_ref_by_pieces_1): Handle
        MEM_REF, no not handle INDIRECT_REFs.
        (insert_into_preds_of_block): Properly initialize avail.
        (phi_translate_1): Fold MEM_REFs.  Re-evaluate constant offset
        for ARRAY_REFs.  Properly handle reference lookups that
        require a bit re-interpretation.
        (can_PRE_operation): Do not handle INDIRECT_REF.  Handle MEM_REF.
        * tree-sra.c (build_access_from_expr_1): Handle MEM_REF.
        (build_ref_for_offset_1): Remove.
        (build_ref_for_offset): Build MEM_REFs.
        (gate_intra_sra): Disable for now.
        (sra_ipa_modify_expr): Handle MEM_REF.
        (ipa_early_sra_gate): Disable for now.
        * tree-sra.c (create_access): Swap INDIRECT_REF handling for
        MEM_REF handling.
        (disqualify_base_of_expr): Likewise.
        (ptr_parm_has_direct_uses): Swap INDIRECT_REF handling for
        MEM_REF handling.
        (sra_ipa_modify_expr): Remove INDIRECT_REF handling.
        Use mem_ref_offset.  Remove bogus folding.
        (build_access_from_expr_1): Properly handle MEM_REF for non IPA-SRA.
        (make_fancy_name_1): Add support for MEM_REF.
        * tree-predcom.c (ref_at_iteration): Handle MEM_REFs.
        * tree-mudflap.c (mf_xform_derefs_1): Adjust for MEM_REF.
        * ipa-prop.c (compute_complex_assign_jump_func): Handle MEM_REF.
        (compute_complex_ancestor_jump_func): Likewise.
        (ipa_analyze_virtual_call_uses): Likewise.
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Replace
        INDIRECT_REF folding with more generalized MEM_REF folding.
        (tree_ssa_forward_propagate_single_use_vars): Adjust accordingly.
        (forward_propagate_addr_into_variable_array_index): Also handle
        &ARRAY + I in addition to &ARRAY[0] + I.
        * tree-ssa-dce.c (ref_may_be_aliased): Handle MEM_REF.
        * tree-ssa-ter.c (find_replaceable_in_bb): Avoid TER if that
        creates assignments with overlap.
        * tree-nested.c (get_static_chain): Adjust for MEM_REF.
        (get_frame_field): Likewise.
        (get_nonlocal_debug_decl): Likewise.
        (convert_nonlocal_reference_op): Likewise.
        (struct nesting_info): Add mem_refs pointer-set.
        (create_nesting_tree): Allocate it.
        (convert_local_reference_op): Insert to be folded mem-refs.
        (fold_mem_refs): New function.
        (finalize_nesting_tree_1): Perform defered folding of mem-refs
        (free_nesting_tree): Free the pointer-set.
        * tree-vect-stmts.c (vectorizable_store): Adjust for MEM_REF.
        (vectorizable_load): Likewise.
        * tree-ssa-phiprop.c (phiprop_insert_phi): Adjust for MEM_REF.
        (propagate_with_phi): Likewise.
        * tree-object-size.c (addr_object_size): Handle MEM_REFs
        instead of INDIRECT_REFs.
        (compute_object_offset): Handle MEM_REF.
        (plus_stmt_object_size): Handle MEM_REF.
        (collect_object_sizes_for): Dispatch to plus_stmt_object_size
        for &MEM_REF.
        * tree-flow.h (get_addr_base_and_unit_offset): Declare.
        (symbol_marked_for_renaming): Likewise.
        * Makefile.in (tree-dfa.o): Add $(TOPLEV_H).
        (fold-const.o): Add $(TREE_FLOW_H).
        * tree-ssa-structalias.c (get_constraint_for_1): Handle MEM_REF.
        (find_func_clobbers): Likewise.
        * ipa-struct-reorg.c (decompose_indirect_ref_acc): Handle MEM_REF.
        (decompose_access): Likewise.
        (replace_field_acc): Likewise.
        (replace_field_access_stmt): Likewise.
        (insert_new_var_in_stmt): Likewise.
        (get_stmt_accesses): Likewise.
        (reorg_structs_drive): Disable.
        * config/i386/i386.c (ix86_va_start): Adjust for MEM_REF.
        (ix86_canonical_va_list_type): Likewise.

2010-06-30  Joern Rennecke  <joern.rennecke@embecosm.com>

        PR other/44566
        * coretypes.h [!USED_FOR_TARGET] (reg_class_t): Define.
        * target.def (struct gcc_target): Replace enum reg_class with
        reg_class_t in hook argument / return types.
        * doc/tm.texi.in (TARGET_SECONDARY_RELOAD): Likewise.
        (TARGET_IRA_COVER_CLASSES, TARGET_MEMORY_MOVE_COST): Likewise.
        (TARGET_BRANCH_TARGET_REGISTER_CLASS): Likewise.
        * targhooks.h (default_branch_target_register_class): Likewise.
        (default_ira_cover_classes, default_secondary_reload): Likewise.
        (default_memory_move_cost, default_register_move_cost): Likewise.
        * targhooks.c (default_branch_target_register_class): Likewise.
        (default_ira_cover_classes, default_secondary_reload): Likewise.
        (default_memory_move_cost, default_register_move_cost): Likewise.
        * reload.c (push_secondary_reload, secondary_reload_class): Likewise.
        * bt-load.c (branch_target_load_optimize): Likewise.
        * ira.c (setup_cover_and_important_classes): Likewise.
        * ira-costs.c (copy_cost): Likewise.
        * reload1.c (emit_input_reload_insns): Likewise.
        * config/alpha/alpha.c (alpha_secondary_reload): Likewise.
        * config/frv/frv.c (frv_secondary_reload): Likewise.
        * config/s390/s390.c (s390_secondary_reload): Likewise.
        * config/i386/i386.c (i386_ira_cover_classes): Likewise.
        (ix86_secondary_reload, ix86_memory_move_cost): Likewise.
        (ix86_register_move_cost): Likewise.
        * config/sh/sh-protos.h (sh_secondary_reload): Likewise.
        * config/sh/sh.c (sh_target_reg_class, sh_secondary_reload): Likewise.
        * config/xtensa/xtensa.c (xtensa_secondary_reload): Likewise.
        * config/xtensa/xtensa-protos.h (xtensa_secondary_reload): Likewise.
        * config/rs6000/rs6000.c (rs6000_secondary_reload): Likewise.
        (rs6000_ira_cover_classes): Likewise.
        * config/picochip/picochip.c (picochip_secondary_reload): Likewise.
        * config/picochip/picochip-protos.h (picochip_secondary_reload):
        Likewise.
        * config/pa/pa.c (pa_secondary_reload): Likewise.
        * config/mips/mips.c (mips_ira_cover_classes): Likewise.
        * config/bfin/bfin.c (bfin_secondary_reload): Likewise.
        * config/ia64/ia64.c (ia64_register_move_cost): Likewise.
        * doc/tm.texi: Regenerate.

2010-06-30  Sebastian Pop  <sebastian.pop@amd.com>

        PR bootstrrap/44726
        * graphite-sese-to-poly.c (build_poly_dr): Avoid uninitialized
        use.
        (build_alias_set_optimal_p): Likewise.
        (build_base_obj_set_for_drs): Likewise.

2010-06-30  Joern Rennecke  <joern.rennecke@embecosm.com>

        * target.def: Remove comment about licensing problems of function
        declarations.

        * target.def (declare_constant_name): Change exp to expr.  Use DEFHOOK.
        * doc/tm.texi.in (TARGET_ASM_DECLARE_CONSTANT_NAME): Use @hook.
        * doc/tm.texi: Regenerate.

        * target.def (builtin_reciprocal): Change tm_fn to md_fn.  Use DEFHOOK.
        * doc/tm.texi.in (TARGET_BUILTIN_RECIPROCAL): Use @hook.

        * target.def (enum_va_list_p): Use DEFHOOK.
        * doc/tm.texi.in (TARGET_ENUM_VA_LIST_P): Use @hook.
        Rename ptype to ptree.
        * doc/tm.texi: Regenerate.

        * target.def (fold_builtin): Rename nargs to n_args.  Use DEFHOOK.
        * doc/tm.texi.in (TARGET_FOLD_BUILTIN): Use @hook.
        * doc/tm.texi: Regenerate.

        * target.def (memory_move_cost): Use DEFHOOK.
        * doc/tm.texi.in (TARGET_MEMORY_MOVE_COST): Use @hook.
        Rename regclass AKA class to rclass.
        * doc/tm.texi: Regenerate.

        * target.def (pragma_parse): Use DEFHOOK.
        * doc/tm.texi.in (TARGET_OPTION_PRAGMA_PARSE): Use @hook.
        s/TARGET_VALID_OPTION_ATTRIBUTE_P/TARGET_OPTION_VALID_ATRIBUTE_P/ .
        * doc/tm.texi: Regenerate.

        * target.def (pass_by_reference): Use DEFHOOK.
        * doc/tm.texi.in (TARGET_PASS_BY_REFERENCE): Use @hook.
        * doc/tm.texi: Regenerate.

        * target.def (resolve_overloaded_builtin): Rename params to arglist.
        Use DEFHOOK.
        * doc/tm.texi.in (TARGET_RESOLVE_OVERLOADED_BUILTIN): Use @hook.
        * doc/tm.texi: Regenerate.

        * target.def (return_pops_args): Use DEFHOOK.
        * doc/tm.texi.in (TARGET_RETURN_POPS_ARGS): Use @hook.
        Rename stack-size to size.
        * doc/tm.texi: Regenerate.

        * target.def (dfa_new_cycle): Use DEFHOOK.  Rename dump_file to dump,
        last-sched_cycle to last_clock, cur_cycle to clock.
        * doc/tm.texi.in: Use @hook.
        * doc/tm.texi: Regenerate.

        * target.def (print_operand, print_operand_address): Update comment.
        (print_operand_punct_valid_p): Likewise.

2010-06-30  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * toplev.h (_fatal_insn_not_found, _fatal_insn): Move declarations
        to rtl.h.
        (error_for_asm, warning_for_asm): Move declarations to rtl-error.h.
        * rtl.h (_fatal_insn_not_found, _fatal_insn): Move declarations here.
        * rtl-error.h: New.
        * regrename.c: Do not include toplev.h. Include rtl-error.h.
        * rtl-error.c: Likewise.
        * reload.c: Likewise.
        * recog.c:  Likewise.
        * sel-sched.c: Likewise.
        * function.c: Likewise.
        * reg-stack.c: Likewise.
        * cfgrtl.c: Likewise.
        * reload1.c: Likewise.
        * final.c: Include rtl-error.
        * Makefile.in: Adjust dependencies.

2010-06-30  Jan Hubicka  <jh@suse.cz>

        PR middle-end/PR44706
        * ipa-split (split_function): Refine conditions when to use DECL_RESULT
        to return the value.

2010-06-30  Michael Matz  <matz@suse.de>

        PR bootstrap/44699
        * tree-vrp.c (vrp_finalize): Deal with changing num_ssa_names.
        * gimple-fold.c (gimplify_and_update_call_from_tree): If LHS is
        a gimple reg, attach the original VDEF to the last store in the
        sequence.

2010-06-30  Iain Sandoe  <iains@gcc.gnu.org>

        PR other/44034
        * config/darwin.c (darwin_override_options): Use renamed
        targetm.asm_out.emit_unwind_label.

2010-06-30  Bernd Schmidt  <bernds@codesourcery.com>

        PR tree-optimization/39799
        * tree-inline.c (remap_ssa_name): Initialize variable only if
        SSA_NAME_OCCURS_IN_ABNORMAL_PHI.

2010-06-30  Nathan Froyd  <froydnj@codesourcery.com>

        * c-parser.c (c_parser_omp_for_loop): Use a VEC for for_block.

2010-06-30  Richard Guenther  <rguenther@suse.de>

        PR target/44722
        * config/i386/i386.md (peephole2 for fix:SSEMODEI24): Guard
        against oscillation with reverse peephole2.

2010-06-30  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/44721
        * config/i386/i386.md (peephole2 for arithmetic ops with memory):
        Fix last commit.

2010-06-30  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx-modes.def: New file.
        * config/rx/rx.h (FIRST_PSEUDO_REGISTER): Increase to 17.
        (CC_REGNUM): Define.
        (FIXED_REGISTERS, CALL_USED_REGISTERS, REGISTER_NAMES): Add cc
        register.
        (CC_NO_CARRY, NOTICE_UPDATE_CC): Delete.
        (SELECT_CC_MODE): Define.
        * config/rx/rx.md (CC_REG): Define.  Update all patterns to use
        (reg:CC CC_REG) instead of (cc0).
        (attr "cc"): Delete.
        (cbranchsi4): Do not split compare and branch here. Instead move
        it to...
        (cbranchsi4_<code>): ... here.  New patterns.
        (cmpsi): Call rx-compare_redundant to find out if it is necessary
        to emit the compare instruction.
        * config/rx/rx.c (rx_gen-cond_branch_template): Remove tests of
        cc_status flags.
        (rx_get_stack_layout): Iterate up to before CC_REGNUM not
        FIRST_PSEUDO_REGNUM.
        (rx_expand_prologue, rx_expand_epilogue): Likewise.
        (rx_notice_update_cc): Delete.
        (rx_cc_modes_compatible): New function.
        (flags_needed_for_conditional): New function.
        (flags_from_mode): New function.
        (rx_compare_redundant): New function - scans backwards through
        insn list to find out if condition flags are already set correctly.
        (TARGET_CC_MODES_COMPATIBLE): Define.
        * config/rx/rx-protos.h (rx_compare_redundant): Prototype.

        * config/rx/rx.h (BRANCH_COST): Define.
        (REGISTER_MOVE_COST): Define.
        * config/rx/predicates (rx_source_operand): Allow all constant types.
        * config/rx/rx.md (addsi3): Add alternative for swapped operands.
        (tstsi4): New pattern.
        * config/rx/rx.c (rx_memory_move_cost): Define.
        (TARGET_MEMORY_MOVE_COST): Define.

2010-06-30  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * tree.h (block_may_fallthru): Declare here.
        * tree-flow.h (block_may_fallthru): Do not declare here.
        * c-typeck.c: Do not include tree-flow.h. Include gimple.h and
        bitmap.h
        * Makefile.in (c-typeck.o): Update dependencies.

2010-06-30  Jakub Jelinek  <jakub@redhat.com>

        PR debug/44694
        * cselib.h (cselib_preserve_cfa_base_value): Add regno argument.
        * cselib.c (cfa_base_preserved_regno): New static variable.
        (cselib_reset_table): Don't reset cfa_base_preserved_regno instead
        of REGNO (cfa_base_preserved_val->locs->loc).
        (cselib_preserve_cfa_base_value): Add regno argument, set
        cfa_base_preserved_regno to it.
        (cselib_invalidate_regno): Allow removal of registers other than
        cfa_base_preserved_regno from cfa_base_preserved_val.
        (cselib_finish): Set cfa_base_preserved_regno to INVALID_REGNUM.
        * var-tracking.c (adjust_mems): Replace sp or hfp even outside
        of MEM addresses, if not on LHS.
        (reverse_op): Don't add reverse ops for cfa_base_rtx.
        (vt_init_cfa_base): Adjust cselib_preserve_cfa_base_value caller.

2010-06-30  Bernd Schmidt  <bernds@codesourcery.com>

        * recog.c (peep2_do_rebuild_jump_labels, peep2_do_cleanup_cfg): New
        static variables.
        (peep2_buf_position): New static function.
        (peep2_regno_dead_p, peep2_reg_dead_p, peep2_find_free_register,
        peephole2_optimize): Use it.
        (peep2_attempt, peep2_update_life): New static functions, broken out
        of peephole2_optimize.
        (peep2_fill_buffer): New static function.
        (peephole2_optimize): Change the main loop to try to fill the buffer
        with the maximum number of insns before matching them against
        peepholes.  Use a forward scan.  Remove special case for targets with
        conditional execution.
        * genrecog.c (change_state): Delete dead code.
        * config/i386/i386.md (peephole2 for arithmetic ops with memory):
        Rewrite so as not to expect the second insn to have had a peephole
        applied yet.

2010-06-29  Nathan Froyd  <froydnj@codesourcery.com>

        * genhooks.c (emit_findices): Cast field precision to int.
        (emit_documentation): Likewise.

2010-06-29  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/43801
        * cgraph.c (cgraph_create_virtual_clone): Clear DECL_SECTION_NAME
        if old_decl was DECL_ONE_ONLY.

        PR debug/44668
        * dwarf2out.c (add_accessibility_attribute): New function.
        (gen_subprogram_die, gen_variable_die, gen_field_die): Use it
        instead of adding DW_AT_accessibility manually.
        (gen_enumeration_type_die, gen_struct_or_union_type_die,
        gen_typedef_die): Use it.

2010-06-29  Douglas B Rupp  <rupp@gnat.com>

        * vmsdbgout.c (full_name): Just output the file name if not native.

2010-06-29  Douglas B Rupp  <rupp@gnat.com>

        * vmsdbgout.c (func_table): Replace with VEC func{nam,num}_tables.
        (funcnam_table): New static table.
        (funcnum_table): New static table.
        (write_rtnbeg): Write value saved in funcnum_table.
        (write_rtnend): Write value saved in funcnum_table.
        (vmsdbgout_begin_function): Save current function info in
        (vmsdbgout_init): Initialize func{nam,num}_tables. Minor reformatting.
        (vmsdbgout_finish): Iterate over funcnum_table.

2010-06-29  Douglas B Rupp  <rupp@gnat.com>

        * vmsdbgout.c (vmsdbgout_begin_epilogue): Declare
        (vmsdbgout_type_decl): Declare
        (vmsdbg_debug_hooks): Add entry for type_decl and begin_epilogue.
        (FUNC_EPILOGUE_LABEL): New macro
        (vmsdbgout_begin_epilogue): New function.
        (vmsdbgout_type_decl): New function.

2010-06-29  Douglas B Rupp  <rupp@gnat.com>

        * vmsdbg.h: Update copyright.

2010-06-29  Douglas B Rupp  <rupp@gnat.com>

        * vmsdbg.h (DST_K_TBG): New DST constant.
        * vmsdbgout.c (addr_const_to_string): Removed, not referenced.
        (write_modbeg): Cast module_language to avoid warning.
        (write_rtnbeg): Use DST_K_TBG vice magic mystery number.

2010-06-29  Joern Rennecke  <joern.rennecke@embecosm.com>

        PR other/44034
        * target.def, doc/tm.texi.in, genhooks.c: New files.
        * target.h: Instead of defining individual hook members,
        define DEFHOOKPOD / DEFHOOK / DEFHOOK_UNDOC / HOOKSTRUCT and
        include target.def.
        * target-def.h: Instead of defining individual hook initializers,
        include target-hooks-def.h.
        * df-scan.c, haifa-sched.c, sel-sched.c: Rename targetm members:
        targetm.live_on_entry -> targetm.extra_live_on_entry
        targetm.sched.md_finish ->targetm.sched.finish
        targetm.sched.md_init -> targetm.sched.init
        targetm.sched.md_init_global -> targetm.sched.init_global
        targetm.asm_out.unwind_label -> targetm.asm_out.emit_unwind_label
        targetm.asm_out.except_table_label ->
          targetm.asm_out.emit_except_table_label
        targetm.asm_out.visibility -> targetm.asm_out.assemble_visibility
        targetm.target_help -> targetm.help
        targetm.vectorize.builtin_support_vector_misalignment ->
          targetm.vectorize.support_vector_misalignment
        targetm.file_start_app_off -> targetm.asm_file_start_app_off
        targetm.file_start_file_directive ->
         targetm.asm_file_start_file_directive
        * dwarf2out.c, opts.c, tree-vect-data-refs.c, except.c: Likewise.
        * varasm.c, config/alpha/alpha.c, config/cris/cris.c: Likewise.
        * gcc/config/spu/spu.c, config/ia64/ia64.c: Rename target macros:
        TARGET_VECTOR_ALIGNMENT_REACHABLE ->
          TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE
        TARGET_SUPPORT_VECTOR_MISALIGNMENT ->
          TARGET_VECTORIZE_SUPPORT_VECTOR_MISALIGNMENT
        TARGET_UNWIND_EMIT -> TARGET_ASM_UNWIND_EMIT
        * config/rs6000/rs6000.c, config/arm/arm.c: Likewise.
        * Makefile.in (TARGET_H): Depend on target.def.
        (TARGET_DEF_H): Depend on target-hooks-def.h.
        (target-hooks-def.h, tm.texi, s-target-hooks-def-h): New rules.
        (s-tm-texi, build/genhooks.o, build/genhooks): Likewise.
        * doc/tm.texi: Regenerate.

        * Makefile.in (s-tm-texi): Remove stray tab / rule.

        * config/m68k/m68k.c (targetm.sched.init_global): Update comment.
        (targetm.sched.init): Likewise.

2010-06-29  Nathan Froyd  <froydnj@codesourcery.com>

        PR bootstrap/44713
        * config/i386/i386.c (type_natural_mode): Const-ify CUM parameter.
        (function_arg_advance_32): Const-ify TYPE parameter.
        (function_arg_advance_64): Likewise.  Change type of NAMED to bool.
        (ix86_function_arg_advance): Change type of NAMED to bool.
        (function_arg_32): Const-ify CUM and TYPE parameters.
        (function_arg_64): Likewise.  Change type of NAMED to bool.
        (function_arg_ms_64): Const-ify CUM parameter. Change type of NAMED
        to bool.
        (ix86_function_arg): Change type of NAMED to bool.
        (ix86_setup_incoming_varargs): Call ix86_function_arg_advance.  Pass
        last argument as a bool.

2010-06-29  Joern Rennecke  <joern.rennecke@embecosm.com>

        * doc/tm.texi (TARGET_OPTION_OVERRIDE): Document.
        (OVERRIDE_OPTIONS): Add note of obsolescence.
        Replace references with references to TARGET_OPTION_OVERRIDE.
        (Except for C_COMMON_OVERRIDE_OPTIONS, which remains similar to
         the macro).
        * targhooks.c (default_target_option_override): New function.
        * targhooks.h (default_target_option_override): Declare.
        * target.h (struct gcc_target): Add override member to
        target_option member.
        * toplev.c (process_options): Replace OVERRIDE_OPTIONS use with
        targetm.target_option.override call.
        * target-def.h (TARGET_OPTION_OVERRIDE): Define.
        (TARGET_OPTION_HOOKS): Add TARGET_OPTION_OVERRIDE.

2010-06-29  Jan Hubicka  <jh@suse.cz>

        * tree-inline.c: Replace incomming by incomin and clonning by cloning.

2010-06-29  Jan Hubicka  <jh@suse.cz>

        * predict.c (propagate_freq): Clear EXIT_BLOCK_PTR frequency if it is
        unreachable.
        (rebuild_frequencies): New function.
        * predict.h (rebuild_frequencies): Declare.
        * tree-inline.c (copy_cfg_body): Compute properly count & frequency of
        entry block and edge reaching new_entry.
        (tree_function_versioning): When doing partial cloning, rebuild
        frequencies when done.
        * passes.c (execute_function_todo): Use rebild_frequencies.

2010-06-29  Richard Guenther  <rguenther@suse.de>

        * tree-dfa.c (dump_variable): Remove noalias_state dumping.
        * tree-flow.h (enum noalias_state): Remove.
        (struct var_ann_d): Remove noalias_state member.

2010-06-29  Bernd Schmidt  <bernds@codesourcery.com>

        PR target/43902
        * config/arm/arm.md (maddsidi4, umaddsidi4): New expanders.
        (maddhisi4): Renamed from mulhisi3addsi.  Operands renumbered.
        (maddhidi4): Likewise.

        Revert parts of the change for PR25130.
        * cse.c (exp_equiv_p): For MEMs, if for_gcse, only compare
        MEM_ALIAS_SET.

2010-06-29  Nathan Froyd  <froydnj@codesourcery.com>

        * calls.c, dse.c, expr.c, function.c: Call targetm.calls.function_arg,
        targetm.calls.function_incoming_arg, and
        targetm.calls.function_arg_advance instead of FUNCTION_ARG,
        FUNCTION_INCOMING_ARG, and FUNCTION_ARG_ADVANCE, respectively.
        * target.h (struct gcc_target): Add function_arg_advance,
        function_arg, and function_incoming_arg fields.
        * target-def.h (TARGET_FUNCTION_ARG_ADVANCE, TARGET_FUNCTION_ARG):
        (TARGET_FUNCTION_INCOMING_ARG): Define.
        (TARGET_CALLS): Add TARGET_FUNCTION_ARG_ADVANCE, TARGET_FUNCTION_ARG,
        and TARGET_FUNCTION_INCOMING_ARG.
        * targhooks.h (default_function_arg_advance): Declare.
        (default_function_arg, default_function_incoming_arg): Declare.
        * targhooks.c (default_function_arg_advance): New function.
        (default_function_arg, default_function_incoming_arg): New function.
        * config/i386/i386.c (function_arg_advance): Rename to...
        (ix86_function_arg_advance): ...this.  Make static.
        (function_arg): Rename to...
        (ix86_function_arg): ...this.  Make static.
        (TARGET_FUNCTION_ARG_ADVANCE): Define.
        (TARGET_FUNCTION_ARG): Define.
        * config/i386/i386.h (FUNCTION_ARG_ADVANCE): Delete.
        (FUNCTION_ARG): Delete.
        * config/i386/i386-protos.h (function_arg_advance): Delete prototype.
        (function_arg): Delete prototype.

2010-06-29  Nathan Froyd  <froydnj@codesourcery.com>

        * reginfo.c (init_reg_sets_1): Adjust comments.
        * combine-stack-adj.c (rest_of_handle_stack_adjustments): Likewise.
        * calls.c (prepare_call_address): Likewise.
        (emit_call_1): Use targetm.calls.return_pops_args.
        (expand_call): Likewise.
        * function.c (assign_parms): Likewise.
        * system.h (RETURN_POPS_ARGS): Add to #pragma poison list.
        * target.h (struct gcc_target) [struct calls]: Add
        return_pops_args field.
        * targhooks.h (default_return_pops_args): Declare.
        * targhooks.c (default_return_pops_args): Define.
        * target-def.h (TARGET_RETURN_POPS_ARGS): Define.
        (TARGET_CALLS): Add TARGET_RETURN_POPS_ARGS.
        * doc/tm.texi (RETURN_POPS_ARGS): Rename to...
        (TARGET_RETURN_POPS_ARGS): ...this.  Use deftypefn.  Adjust
        documentation.
        * config/alpha/alpha.h (RETURN_POPS_ARGS): Delete.
        * config/arc/arc.h (RETURN_POPS_ARGS): Likewise.
        * config/arm/arm.h (RETURN_POPS_ARGS): Likewise.
        * config/avr/avr.h (RETURN_POPS_ARGS): Likewise.
        * config/bfin/bfin.h (RETURN_POPS_ARGS): Likewise.
        * config/cris/cris.h (RETURN_POPS_ARGS): Likewise.
        * config/crx/crx.h (RETURN_POPS_ARGS): Likewise.
        * config/fr30/fr30.h (RETURN_POPS_ARGS): Likewise.
        * config/frv/frv.h (RETURN_POPS_ARGS): Likewise.
        * config/h8300/h8300.h (RETURN_POPS_ARGS): Likewise.
        * config/ia64/ia64.h (RETURN_POPS_ARGS): Likewise.
        * config/iq2000/iq2000.h (RETURN_POPS_ARGS): Likewise.
        * config/lm32/lm32.h (RETURN_POPS_ARGS): Likewise.
        * config/m32c/m32c.h (RETURN_POPS_ARGS): Likewise.
        * config/m32r/m32r.h (RETURN_POPS_ARGS): Likewise.
        * config/m68hc11/m68hc11.h (RETURN_POPS_ARGS): Likewise.
        * config/mcore/mcore.h (RETURN_POPS_ARGS): Likewise.
        * config/mep/mep.h (RETURN_POPS_ARGS): Likewise.
        * config/mips/mips.h (RETURN_POPS_ARGS): Likewise.
        * config/mmix/mmix.h (RETURN_POPS_ARGS): Likewise.
        * config/mn10300/mn10300.h (RETURN_POPS_ARGS): Likewise.
        * config/moxie/moxie.h (RETURN_POPS_ARGS): Likewise.
        * config/pa/pa.h (RETURN_POPS_ARGS): Likewise.
        * config/pdp11/pdp11.h (RETURN_POPS_ARGS): Likewise.
        * config/picochip/picochip.h (RETURN_POPS_ARGS): Likewise.
        * config/rs6000/rs6000.h (RETURN_POPS_ARGS): Likewise.
        * config/rx/rx.h (RETURN_POPS_ARGS): Likewise.
        * config/s390/s390.h (RETURN_POPS_ARGS): Likewise.
        * config/score/score.h (RETURN_POPS_ARGS): Likewise.
        * config/sh/sh.h (RETURN_POPS_ARGS): Likewise.
        * config/sparc/sparc.h (RETURN_POPS_ARGS): Likewise.
        * config/spu/spu.h (RETURN_POPS_ARGS): Likewise.
        * config/stormy16/stormy16.h (RETURN_POPS_ARGS): Likewise.
        * config/v850/v850.h (RETURN_POPS_ARGS): Likewise.