2008-08-25 Vladimir Makarov <vmakarov@redhat.com>

[official-gcc.git] / gcc / ChangeLog

2008-08-25  Vladimir Makarov  <vmakarov@redhat.com>

        * opts.c (decode_options): Set up flag_ira.

        * doc/invoke.texi (fira): Document it.
        
        * caller-save.c (save_call_clobbered_regs): Define and use
        do_placement_opt_p.
        
2008-08-24  Jeff Law  <law@redhat.com>
            Vladimir Makarov  <vmakarov@redhat.com>

        * ira.c (setup_reg_class_intersect_union): Prefer smallest class
        when ignoring unavailable registers.

2008-08-24  Jeff Law  <law@redhat.com>
            Vladimir Makarov  <vmakarov@redhat.com>

        * ira-color.c (coalesced_pseudo_reg_slot_compare): Check
        FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.

        * ira.c (setup_eliminable_regset): Check stack_realign_needed.

2008-08-1  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-conflicts.c (process_regs_for_copy): Don't add copy for
        conflicting allocnos.
        (propagate_allocno_copy_info, propagate_copy_info): Remove.
        (propagate_copies): New.
        (collected_conflict_allocnos): New.
        (remove_conflict_allocno_copies): Remove.
        (build_allocno_conflicts): Add parameter.  Build conflicts only
        for one allocno. Check cap too.  Don't free conflict table row.
        (build_conflicts): New.
        (ira_build_conflicts): Build conflicts before adding copies.  Free
        conflict bit table rows.

        * ira-color.c (color_pass): Check cap.  Process caps only once.
        Remove propagation code.
        (move_spill_restore): Check caps and border allocnos.

        * ira-lives.c (propagate_new_allocno_info, propagate_new_info):
        Remove.
        (ira_create_allocno_live_ranges): Don't propagate info of new
        allocnos.

        * ira-emit.c (not_modified_p, update_costs): Check caps.

        * ira-build.c (allocnos_bitmap): Remove.
        (create_cap_allocno): Set up all cap attributes.
        (propagate_info_to_cap): Remove.
        (create_loop_allocnos): Create allocnos in parent for border
        allocnos if there is no one.
        (propagate_allocno_info): New.
        (create_allocnos): Don't propagate allocno info.
        (remove_unnecessary_allocnos): Accumulate all allocno info.
        (setup_min_max_allocno_live_range_point): Set up min/max for caps
        too.
        (create_loop_tree_node_caps): Remove.
        (create_caps): New.
        (propagate_info_to_loop_tree_node_caps): Remove.
        (ira_flattening): Check cap.  Stop decrease call info after
        reaching allocno which is destination of removed store.  Check
        allocno nrefs and freq.
        (calculate_high_pressure_loops): Remove.
        (check_allocno_creation): New.
        (ira_build): Call propagate_allocno_info, call_caps, and
        check_allocno_creation.  Move
        ira_tune_allocno_costs_and_cover_classes before
        setup_min_max_allocno_live_range_point.

        * ira.c: Update comments about IRA.
        (ira_print_disposition): Add comment.

        * ira-costs.c (total_costs): Rename to allocno_costs.
        (total_costs): New.
        (print_costs): Print accumulated costs too.
        (find_allocno_class_costs): Check border allocnos for propagation
        costs.  Setup non-accumulated costs for allocnos.
        (process_bb_node_for_hard_reg_moves): Don't propagate costs.
        (ira_costs): Add allocation/freeing allocno_costs.

        * common.opt (fira-propagate-cost): Remove.

        * doc/invoke.texi (-fira-propagate-cost): Remove.
        
2008-08-04  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/36450
        * caller-save.c (insert_restore): Replace
        PREFERRED_STACK_BOUNDARY with MAX_SUPPORTED_STACK_ALIGNMENT.
        (insert_save): Likewise.

2008-08-22  Anatoly Sokolov  <aesok@post.ru>

        PR target/11259
        * config/avr/avr.md (UNSPEC_SWAP): New constants.
        (*swap): New insn pattern.
        (*ashlqi3): Rename from ashlqi3 insn pattern.
        (ashlqi3): New expanders.
        (*lshrqi3): Rename from lshrqi3 insn pattern.
        (lshrqi3): New expanders.       
        (ashlqi3_const4, ashlqi3_const5, ashlqi3_const6, lshrqi3_const4,
        lshrqi3_const5, lshrqi3_const6): New splitters.
        (andi, ashlqi3_l_const4, ashlqi3_l_const5, ashlqi3_l_const6,
        lshrqi3_l_const4, lshrqi3_l_const5, lshrqi3_l_const6): Define
        peephole2 patterns.

2008-08-22  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/37078
        * tree-vrp.c (extract_range_from_unary_expr): Avoid generating
        [+INF, +INF] ranges.

2008-08-22  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/37143
        * tree-vect-transform.c (vect_create_cond_for_align_checks): Build
        a conversion statement instead of a copy.

2008-08-22  Uros Bizjak  <ubizjak@gmail.com>

        PR target/37184
        * config/i386/i386.c (ix86_match_ccmode): Handle CCAmode,
        CCCmode, CCOmode and CCSmode destination modes.

        PR target/37191
        * config/i386/mmx.md (*vec_extractv2sf_0): Avoid combining registers
        from different units in a single alternative.
        (*vec_extractv2sf_1): Ditto.
        (*vec_extractv2si_0): Ditto.
        (*vec_extractv2si_1): Ditto.
        * config/i386/sse.md (sse2_storehpd): Ditto.
        (sse2_storelpd): Ditto.
        (sse2_loadhpd): Ditto.
        (sse2_loadlpd): Ditto.

        PR target/37197
        * config/i386/i386.md (clzsi2_abm): Fix operand 1 constraints.
        (popcountsi2): Ditto.
        (clzdi2_abm): Ditto.
        (popcountdi2): Ditto.
        (clzhi2_abm): Ditto.
        (popcounthi2): Ditto.

2008-08-22  Richard Guenther  <rguenther@suse.de>

        PR middle-end/36548
        PR middle-end/37125
        * fold-const.c (extract_muldiv_1): Optimize (X * C1) % C2 only
        if the multiplication does not overflow.

2008-08-21  Nathan Sidwell  <nathan@codesourcery.com>

        * c-ppoutput.c (init_pp_output): Initialize src_line to 1.

2008-08-21  Richard Henderson  <rth@redhat.com>

        * configure.ac (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): Remove
        spurrious comma from test.
        * configure: Rebuild.

2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 30457
        * builtins.c (fold_builtin_next_arg): Add warning about undefined
        behaviour.
        
2008-08-21  Aldy Hernandez  <aldyh@redhat.com>

        * c-tree.h (grokfield): New argument.
        * c-decl.c (grokfield): Handle new location argument.
        * c-parser.c (c_parser_struct_declaration): Pass location to
        grokfield.

2008-08-21  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-ccp.c (ccp_fold): Fold VIEW_CONVERT_EXPRs of constants.

2008-08-21  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (first_cgraph_function_insertion_hook): New variable.
        (cgraph_add_function_insertion_hook,
        cgraph_remove_function_insertion_hook,
        cgraph_call_function_insertion_hooks): New functions.
        * cgraph.h (cgraph_add_function_insertion_hook,
        cgraph_remove_function_insertion_hook,
        cgraph_call_function_insertion_hooks): Declare.
        * ipa-reference.c (function_insertion_hook_holder): New variable.
        (check_operand, look_for_address_of): When checking late, do not care
        about module bitmaps.
        (add_new_function): New function.
        (generate_summary): Register hooks; zero module bitmaps.
        (propagate): Unregister hooks.
        * ipa-pure-const.c (function_insertion_hook_holder): New variable.
        (add_new_function): New function.
        (generate_summary): Register hook.
        (propagate): Remove hook.

        * ipa-cp.c (ipcp_need_redirect_p): Fix to not be constant 0.

        * tree-pass.h (pass_ipa_cp): Make ipa_opt_pass.
        * ipa-cp.c (ipcp_update_cloned_node): New function.
        (build_const_val): Handle functions correctly; bring type logic
        into sync with tree-inline.c
        (ipcp_init_stage):  Take care of computing stuff needed by
        indirect inlining; update clones.
        (ipcp_generate_summary): Break out of ipcp_driver.
        (ipcp_driver): Do only execution and transformation.
        (pass_ipa_cp): Make IPA_PASS.
        * tree-ssa-ccp.c (fold_stmt_r): Check type before trying to fold
        offset to address.
        * ipa-inline.c (inline_indirect_intraprocedural_analysis): When doing
        ipcp, some info is already available.
        * ipa-prop.c (ipa_count_arguments): Grow edge lists as needed.
        * tree-inline.c (remap_ssa_name): Unshare expression.

2008-08-21  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
        a PHI ask VN if it is already available.
        * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
        * tree-ssa-sccvn.c (vn_phi_lookup): Export.

2008-08-21  Richard Guenther  <rguenther@suse.de>

        PR middle-end/36817
        * tree-chrec.c (chrec_apply): Always call chrec_fold_plus which
        makes sure to produce a result of the correct type.

2008-08-21  Jan Hubicka  <jh@suse.cz>
        Backport from LTO branch:

        2008-05-05  Kenneth Zadeck <zadeck@naturalbridge.com>
                    Jan Hubicka  <jh@suse.cz>
        
        * ipa-pure-const.c
        (init_state, finish_state, set_function_state, generate_summary):
        New functions.
        (scan_stmt): Renamed from scan_function.  Changed to keep state in
        local static vars rather than cgraph aux field.
        (propagate): Renamed from static_execute. Changed to keep state in
        local static vars rather than cgraph aux field.
        (pass_ipa_pure_const): Changed from SIMPLE_IPA_PASS to IPA_PASS.
        * tree-pass.h (pass_ipa_pure_const): Turn into IPA_PASS.

        2008-07-15  Kenneth Zadeck <zadeck@naturalbridge.com>

        * tree-pass.h (pass_ipa_reference): Make into ipa_opt_pass.
        * ipa-reference.c (init_function_info, generate_summary, 
        propagate): New functions.
        (analyze_function):  Call init_function_info.
        (static_execute): Stripped into generate_summary and propagate.
        (pass_ipa_reference): Made into ipa_opt_pass.

2008-08-21  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/37181
        * tree-vrp.c (extract_range_from_binary_expr): Check for NULL
        folding result.
        (extract_range_from_unary_expr): Likewise.

2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * diagnostic.c (pedwarn_at): Rename as pedwarn.
        (pedwarn): Delete.
        * toplev.h (pedwarn_at): Likewise.
        * builtins.c: Update all calls to pedwarn.
        * c-lex.c: Likewise.
        * toplev.c: Likewise.
        * c-tree.h: Likewise.
        * c-decl.c: Likewise.
        * c-errors.c: Likewise.
        * c-typeck.c: Likewise.
        * c-common.c: Likewise.
        * c-parser.c: Likewise.

2008-08-20  Joseph Myers  <joseph@codesourcery.com>

        PR target/31070
        * config/sparc/sparc.c (function_arg_slotno): Handle structure
        with MODE_VECTOR_INT mode.

2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR middle-end/179
        * tree-ssa.c (warn_uninit): Do not warn for variables that can be
        initialized outside the current module.
        (warn_uninitialized_var): Ignore left-hand side when walking the
        trees. Ignore address expressions. Examine VUSE operands in gimple
        statements with a variable declaration on the right-hand side.

2008-08-20  Richard Sandiford  <rdsandiford@googlemail.com>

        PR bootstrap/37155
        * rtlanal.c (subreg_offset_representable_p): Revert last change.

2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 35701
        * c-common.c (conversion_warning): Do not warn if applying bit-and
        operator to unsigned constant that fits in the target type.

2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR c++/35602
        * c-common.c (conversion_warning): Do not warn for artificial
        expressions.

2008-08-20  Richard Guenther  <rguenther@suse.de>

        * tree-vrp.c (op_with_constant_singleton_value_range): New function.
        (extract_range_from_binary_expr): Fall back to constant propagation.
        (extract_range_from_unary_expr): Likewise.

2008-08-20  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Do not mess
        with TREE_THIS_VOLATILE on shared nodes.
        (fold_stmt_r): Likewise.

2008-08-20  Jakub Jelinek  <jakub@redhat.com>

        PR c/37171
        * c-parser.c (c_parser_attributes): For keywords use canonical
        spelling for attr_name.

2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * value-prof.c (check_counter): Revert wrong call to error.
        
2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * profile.c: Update calls to inform.
        * value-prof.c: Update calls to inform.
        
2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * diagnostic.c (inform): Add an explicit location_t parameter.
        * toplev.h (inform): Update declaration.
        * builtins.c: Update all calls to inform.
        * c-common.c: Likewise.
        * c-decl.c: Likewise.
        * c-opts.c: Likewise.
        * c-pch.c: Likewise.
        * c-pragma.c: Likewise.
        * c-typeck.c: Likewise.
        * coverage.c: Likewise.
        * opts.c: Likewise.
        * toplev.c: Likewise.
        * tree-cfg.c: Likewise.
        * tree-ssa.c: Likewise.

2008-08-20  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/37169
        * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): In
        V2DI mode, for SSE4.1, use movq instead of vector set if the
        second element is zero and inter-unit moves are OK.

2008-08-20  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): More
        properly handle conversion/copy chains after tuplification.

2008-08-20  Richard Guenther  <rguenther@suse.de>

        * passes.c (init_optimization_passes): Move the second
        forwprop pass before alias computation.  Remove the second
        DCE pass.  Remove the first dominator and phi copy/const
        prop passes.

2008-08-20  Nick Clifton  <nickc@redhat.com>

        * configure.ac (HAVE_GAS_CFI_DIRECTIVE): Always test for assembler
        support of this feature.  Do not assume that a sufficiently new
        assembler will support the feature regardless of the target type.
        (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): Likewise.
        * configure: Regenerate.

2008-08-20  Richard Guenther  <rguenther@suse.de>

        * tree-vrp.c (found_in_subgraph): Remove.
        (live): New global static.
        (live_on_edge): New function.
        (blocks_visited): Remove.
        (register_edge_assert_for_2): Use live_on_edge.
        (find_conditional_asserts): Remove code dealing with
        found_in_subgraph.  Do not walk the CFG.
        (find_switch_asserts): Likewise.
        (find_assert_locations_1): Renamed from find_assert_locations.
        Move finding assert locations for conditional and switch
        statements first.  Update live bitmap.  Do not walk the CFG.
        (find_assert_locations): New function.
        (insert_range_assertions): Remove entry of CFG walk.
        Adjust call to find_assert_locations.
        * tree-ssa-pre.c (do_regular_insertion): Ignore critical edges
        that only can appear because of fake exit edges but assert we
        never try to insert on those.
        (fini_pre): Do not remove fake exit edges here...
        (execute_pre): ...but here, before committing edge inserts.

2008-08-19  Richard Guenther  <rguenther@suse.de>

        * passes.c (init_optimization_passes): Exchange store-ccp
        with a ccp pass.

2008-08-19  Rafael Espindola  <espindola@google.com>

        * varasm.c (weak_decls): Move earlier in the file.
        (assemble_external): Add weak decls to the weak_decls list.
        (declare_weak): Don't add decls to the weak_decls list.

2008-08-19  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/37157
        * config/i386/sse.md (sse2_punpckhqdq, sse2_punpcklqdq): Moved
        before (sse2_shufpd_<mode>).

2008-08-19  Jakub Jelinek  <jakub@redhat.com>

        PR debug/37156
        * pretty-print.c (pp_base_format): Deal with recursive BLOCK trees.
        * tree.c (block_nonartificial_location): Likewise.

2008-08-19  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/35972
        PR tree-optimization/23094
        * tree-ssa-sccvn.h (vn_reference_lookup_pieces): Add maywalk
        parameter.
        * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Properly
        handle MISALIGNED_INDIRECT_REF.
        (get_ref_from_reference_ops): New helper.
        (vn_reference_lookup_pieces): Walk the use-def chain using the
        alias-oracle if requested.
        * tree-ssa-pre.c (phi_translate_1): Do reference lookup with
        walking the use-def chain.
        (compute_avail): But not here.
        (create_component_ref_by_pieces_1): Properly handle
        MISALIGNED_INDIRECT_REF.
        (do_regular_insertion): Handle fully redundant
        expressions after PHI-translation also for SSA_NAME values, not
        only constants.  Correctly use edoubleprime for that.

2008-08-19  Ira Rosen  <irar@il.ibm.com>

        * tree-vectorizer.c (supportable_widening_operation): Support
        multi-step conversion, return the number of steps in such conversion
        and the required intermediate types.
        (supportable_narrowing_operation): Likewise.
        * tree-vectorizer.h (vect_pow2): New function.
        (supportable_widening_operation): Change argument types.
        (supportable_narrowing_operation): Likewise.
        (vectorizable_type_promotion): Add an argument.
        (vectorizable_type_demotion): Likewise.
        * tree-vect-analyze.c (vect_analyze_operations): Call 
        vectorizable_type_promotion and vectorizable_type_demotion with
        additional argument.
        (vect_get_and_check_slp_defs): Detect patterns.
        (vect_build_slp_tree): Add an argument, don't fail in case of multiple
        types. 
        (vect_analyze_slp_instance): Don't fail in case of multiple types. Call
        vect_build_slp_tree with correct arguments. Calculate unrolling factor
        according to the smallest type in the loop.
        (vect_detect_hybrid_slp_stmts): Include statements from patterns.
        * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Call 
        supportable_widening_operation with correct arguments. 
        * tree-vect-transform.c (vect_get_slp_defs): Allocate output vector 
        operands lists according to the number of vector statements in left
        or right node, if exists.
        (vect_gen_widened_results_half): Remove unused argument.
        (vectorizable_conversion): Call supportable_widening_operation, 
        supportable_narrowing_operation, and vect_gen_widened_results_half
        with correct arguments. 
        (vectorizable_assignment): Change documentation, support multiple
        types in SLP. 
        (vectorizable_operation): Likewise.
        (vect_get_loop_based_defs): New function.
        (vect_create_vectorized_demotion_stmts): Likewise.
        (vectorizable_type_demotion): Support loop-aware SLP and general
        multi-step conversion. Call vect_get_loop_based_defs and
        vect_create_vectorized_demotion_stmts for transformation.
        (vect_create_vectorized_promotion_stmts): New function.
        (vectorizable_type_promotion): Support loop-aware SLP and general
        multi-step conversion. Call vect_create_vectorized_promotion_stmts
        for transformation.     
        (vectorizable_store): Change documentation, support multiple
        types in SLP. 
        (vectorizable_load): Likewise.
        (vect_transform_stmt): Pass SLP_NODE to 
        vectorizable_type_promotion and vectorizable_type_demotion.
        (vect_schedule_slp_instance): Move here the calculation of number
        of vectorized statements for each node from...
        (vect_schedule_slp): ... here.
        (vect_transform_loop): Call vect_schedule_slp without the last
        argument.

2008-08-19  Dorit Nuzman  <dorit@il.ibm.com>

        PR bootstrap/37152
        * tree-vect-transform.c (vect_create_epilog_for_reduction): Change = 
        to == in assert statement.
        (vectorizable_reduction): Fix typo.

2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>

        PR bootstrap/37153
        * value-prof.c (check_counter): Dereference pointer to overall
        count when printing it.

2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>

        * profile.h: Really add it.

2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>

        * mcf.c: Really add it.

2008-08-18  Paul Yuan  <yingbo.com@gmail.com>
            Vinodha Ramasamy  <vinodha@google.com>

        * cgraph.c (cgraph_edge): Handle inconsistent counts when setting
        count_scale.
        * value-prof.c (check_counter): Fix the counter if
        flag_profile_correction is true.
        (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
        tree_mod_subtract_transform):
        Follow check_counter parameter change.
        * common.opt (fprofile-correction): New option.
        * mcf.c: New file.
        * profile.h: Likewise.
        * profile.c (edge_info, EDGE_INFO): Moved to new file profile.h.
        (sum_edge_counts, is_edge_inconsistent, correct_negative_edge_counts,
        is_inconsistent, set_bb_counts, read_profile_edge_counts): New
        functions.
        (compute_branch_probabilities): Refactored. Invokes mcf_smooth_cfg if
        flag_profile_correction is set.

2008-08-18  Richard Sandiford  <rdsandiford@googlemail.com>

        * rtlanal.c (subreg_offset_representable_p): Check HARD_REGNO_MODE_OK.

2008-08-18  Tomas Bily  <tbily@suse.cz>

        * tree.h (IS_CONVERT_EXPR_CODE_P): Renamed to CONVERT_EXPR_CODE_P.
        * tree-ssa-threadedge.c (simplify_control_stmt_condition): Use
        CONVERT_EXPR_P.
        * tree-data-ref.c (split_constant_offset_1): Likewise.
        * tree-inline.c (estimate_operator_cost): Use CASE_CONVERT.
        * tree-sra.c (sra_walk_expr): Likewise.
        * matrix-reorg.c (ssa_accessed_in_assign_rhs): Likewise.
        * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
        * gimple.h (gimple_assign_cast_p): Use CONVERT_EXPR_CODE_P.
        * tree-ssa-structalias.c (find_func_aliases, find_func_aliases):
        Likewise.
        * gimple.c (gimple_assign_unary_nop_p): Likewise.
        * tree-vect-transform.c (vectorizable_type_demotion)
        (vectorizable_type_promotion): Likewise.
        * tree-inline.c (expand_call_inline): 
        * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
        (forward_propagate_addr_expr_1, forward_propagate_comparison)
        (tree_ssa_forward_propagate_single_use_vars): Likewise.
        * expr.c (expand_expr_real_1): Likewise.
        * tree-ssa-dom.c (hashable_expr_equal_p, iterative_hash_hashable_expr)
        (gimple_assign_unary_useless_conversion_p): Likewise.
        * tree-stdarg.c (execute_optimize_stdarg): Likewise.
        * tree-ssa-ccp.c (ccp_fold, fold_gimple_assign): Likewise.
        * fold-const.c (fold_unary): Likewise.
        * tree.h (CONVERT_EXPR_P): Likewise.
        * tree.c (simple_cst_equal, iterative_hash_expr): Likewise.
        * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
        * tree-vrp.c: 
        (register_edge_assert_for_2, extract_range_from_unary_expr)
        (register_edge_assert_for_1): Likewise.
        
2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * real.h (dconst_e, dconst_third, dconst_sqrt2, dconst_e_ptr,
        dconst_third_ptr, dconst_sqrt2_ptr): Declare.
        (enum real_value_const): Delete.
        (get_real_const): Delete.
        * real.c (get_real_const): Delete.
        (dconst_e_ptr): Define.
        (dconst_third_ptr): Define.
        (dconst_sqrt2_ptr): Define.
        * builtins.c: Update all callers.

2008-08-18  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-reassoc.c (reassociate_bb): Properly reset the
        statement iterator after statement removal.

2008-08-18  Andreas Tobler  <a.tobler@schweiz.org>

        * config/rs6000/driver-rs6000.c (detect_caches_freebsd): New function.
        (detect_processor_freebsd): Likewise.
        (host_detect_local_cpu): Call newly added functions for FreeBSD.

2008-08-18  Richard Guenther  <rguenther@suse.de>

        * tree-cfg.c (verify_types_in_gimple_assign): Verify copies
        and loads have the correct types.

2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR cpp/7263
        * c-opts.c (cpp_opts): Remove static.
        * c-parser.c (cpp_opts): Declare it extern.
        (disable_extension_diagnostics): Handle cpp options.
        (enable_extension_diagnostics): Likewise.

2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * diagnostics.c (permerror_at): Rename as permerror.
        (permerror): Delete.
        * toplev.h: Likewise.

2008-08-18  Richard Guenther  <rguenther@suse.de>

        * passes.c (init_optimization_passes): Remove cleanup_cfg1,
        sdse1 and addressables2 passes.  Replace dce1 with cddce1.
        Move call_cdce before build_alias.  Move copyrename2,
        cunrolli and ccp2 beafore build_alias.  Re-add addressable2
        right after final inlining.
        * tree-cfg.c (build_gimple_cfg): Do not dump function here.
        (pass_build_cfg): But instead via TODO_dump_func.

2008-08-18  Richard Guenther  <rguenther@suse.de>

        * tree-sra.c (generate_element_init_1): Deal with NULL constructor
        element index.
        (scalarize_init): If we failed to generate some initializers
        do not generate zeros for not instantiated members.  Instead
        rely on the copy out.
        * tree-ssa-operands.c (get_addr_dereference_operands): Warn
        about missing flow-sensitive alias info only if we have
        aliases computed.

2008-08-17  Nick Clifton  <nickc@redhat.com>

        * doc/extend.texi (Function Attributes): Fix typo in description
        if hot function attribute.

2008-08-17  Daniel Jacobowitz  <dan@codesourcery.com>
            Richard Sandiford  <rdsandiford@googlemail.com>

        * doc/install.texi (--with-mips-plt): Document.
        * doc/invoke.texi (-mplt, -mno-plt): Document.
        * config.gcc (mips*-*-*): Add mips-plt to supported_defaults
        and handle ${with_mips_plt}.
        * config/mips/mips.opt (mplt): New option.
        * config/mips/mips.h (TARGET_ABICALLS_PIC0): New macro.
        (TARGET_ABICALLS_PIC2): Likewise.
        (TARGET_GPWORD): Return false for TARGET_ABSOLUTE_ABICALLS.
        (OPTION_DEFAULT_SPECS): Add a mips-plt entry.
        (ASM_SPEC): Use !mabi=* instead of !mabi*.
        (MIPS_CALL): Use TARGET_ABICALLS_PIC2 instead of TARGET_ABICALLS
        to decide whether to output ".option picX" directives.
        * config/mips/linux.h (SUBTARGET_ASM_SPEC): Remove -mabi=64 handling.
        Pass -call_nonpic rather than -KPIC for -mplt.
        (BASE_DRIVER_SELF_SPECS): Remove -mplt if -mno-shared is not present
        on the command line.  Also remove it when -mabi=64 is used without
        -msym32.
        * config/mips/linux64.h (SUBTARGET_ASM_SPEC): Delete.
        * config/mips/mips.c (mips_use_pic_fn_addr_reg_p): Handle
        TARGET_ABICALLS_PIC0.
        (mips_classify_symbol): Use TARGET_ABICALLS_PIC2 instead of
        TARGET_ABICALLS.
        (mips16_build_function_stub): Only output ".option pic" directives
        and PIC stubs if TARGET_ABICALLS_PIC2.  Call through $25 instead of $1.
        (mips16_build_call_stub): Fix comment and remove redundant
        ".set at"/"set .noat" directives.
        (mips_function_rodata_section): Use the default behaviour for
        TARGET_ABSOLUTE_ABICALLS.
        (mips_file_start): Emit ".option pic0" for TARGET_ABICALLS_PIC0.
        (mips_global_pointer): Handle TARGET_ABICALLS_PIC0.
        (mips_restore_gp): Do nothing if the current function doesn't use
        a global pointer.
        (mips_expand_prologue): Only save $gp if the current function uses it.
        Use a normal move for TARGET_ABICALLS_PIC0.
        (mips_override_options): Only set flag_pic if TARGET_ABICALLS_PIC2.

2008-08-17  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (mips_save_reg_p): Don't short-circuit rest
        of function when handling GLOBAL_POINTER_REGNUM.

2008-08-16  Eric Botcazou  <ebotcazou@adacore.com>

        PR ada/20548
        * common.opt (-fstack-check): Do not declare the variable here.
        (-fstack-check=): New option variant.
        * doc/invoke.texi (Code Gen Options): Document it.
        * expr.h (STACK_OLD_CHECK_PROTECT): New macro.
        (STACK_CHECK_PROTECT): Bump to 3 pages if DWARF-2 EH is used.
        (STACK_CHECK_STATIC_BUILTIN): New macro.
        * doc/tm.texi (Stack Checking): Document STACK_CHECK_STATIC_BUILTIN.
        * opts.c: Include expr.h.
        (common_handle_option) <OPT_fold_stack_check_>: New case.
        <OPT_fstack_check>: Likewise.
        * calls.c (initialize_argument_information): Use TYPE_SIZE_UNIT
        consistently in the test for variable-sized types.  Adjust for
        new behaviour of flag_stack_check.
        * explow.c: Include except.h.
        (allocate_dynamic_stack_space): Do not take into account
        STACK_CHECK_MAX_FRAME_SIZE for static builtin stack checking.
        * function.c (gimplify_parameters): Use DECL_SIZE_UNIT in the test
        for variable-sized parameters.  Treat all parameters whose size is
        greater than STACK_CHECK_MAX_VAR_SIZE as variable-sized if generic
        stack checking is enabled.
        * gimplify.c (gimplify_decl_expr): Treat non-static objects whose
        size is greater than STACK_CHECK_MAX_VAR_SIZE as variable-sized
        if generic stack checking is enabled.
        (expand_function_end): Adjust for new behaviour of flag_stack_check.
        * reload1.c (reload): Likewise.
        * stmt.c (expand_decl): Assert that all automatic variables have
        fixed size at this point and remove dead code.
        * flags.h (stack_check_type): New enumeration type.
        (flag_stack_check): Declare.
        * toplev.c (flag_stack_check): New global variable.
        * Makefile.in (opts.o): Add dependency on EXPR_H.
        (explow.o): Add dependency on except.h.

2008-08-16  Andy Hutchinson  <hutchinsonandy@aim.com>

        * config/avr/avr.c (avr_override_options): Reduce value of 
        PARAM_INLINE_CALL_COST.

2008-08-15  Eric Botcazou  <ebotcazou@adacore.com>

        * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: When converting
        to BLKmode, try to fetch an inner memory reference.  Use 'mode' in
        lieu of TYPE_MODE (type) throughout.

2008-08-15  Joseph Myers  <joseph@codesourcery.com>

        * config/arm/arm.c (add_minipool_backward_ref): Check for
        8-byte-aligned entries in second case of forcing insertion after a
        particular entry.  Change third case to avoid inserting
        non-8-byte-aligned entries before 8-byte-aligned ones.

2008-08-15  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-ccp.c (maybe_fold_offset_to_reference): Do not
        strip components for unknown size accesses.

2008-08-15  Wolfgang Gellerich  <gellerich@de.ibm.com>

        * config/s390/2097.md New file.
        * config/s390/s390.md ("z10prop" attribute): Define none,
        z10_super, z10_super_E1, z10_super_A1, z10_super_c,
        z10_super_c_E1, z10_fwd, z10_fwd_A1, z10_fwd_A3, z10_fwd_E1,
        z10_rec, z10_fr, z10_fr_A3, z10_fr_E1, z10_c, and z10_cobra as
        possible values and apply them to insns as appropriate.
        ("type" attribute): Removed itof and added ftrunctf,ftruncdf,
        ftruncsd, ftruncdd, itoftf, itofdf, itofsf, itofdd, itoftd,
        fdivdd, fdivtd, floaddd, floadsd, fmuldd, fmultd, fsimpdd,
        fsimpsd, fsimptd, fstoredd, fstoresd, ftoidfp as possible
        values.
        ("bfp" mode attribute): Removed.  Every occurence replaced
        with <mode>.
        * config/s390/s390.c (struct "z10_cost"): Updated entries.
        * config/s390/2084.md (insn_reservation "x_itof"): Updated
          type attribute.

2008-08-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR c/28152
        * c-parser.c (c_lex_one_token): Do not store the canonical spelling
        for keywords.
        
2008-08-14  Dorit Nuzman  <dorit@il.ibm.com>

        * tree-vect-transform.c (vect_create_epilog_for_reduction): Takes an
        additional argument. Support reduction when duplication is needed due
        to data-types of different sizes in the loop.
        (get_initial_def_for_induction): Fix printout.
        (vect_get_vec_def_for_stmt_copy): Support case where the
        vec_stmt_for_operand is a phi node.
        (vectorizable_reduction): Support reduction when duplication is needed 
        due to data-types of different sizes in the loop.
        (vectorizable_call): Remove restriction to not vectorize in case we 
        have data-types of different sizes in the loop.
        (vectorizable_conversion): Likewise.
        (vectorizable_operation): Likewise.
        (vectorizable_type_demotion): Likewise.
        (vectorizable_type_promotion): Likewise.
        (vectorizable_induction): Add restriction to not vectorize in case 
        we have data-types of different sizes in the loop.

2008-08-14  Christophe Saout  <christophe@saout.de>
            Uros Bizjak  <ubizjak@gmail.com>

        PR target/37101
        * config/i386/sse.md (vec_concatv2di): Remove movlps alternative.
        (*vec_concatv2di_rex64_sse4_1): Ditto.
        (*vec_concatv2di_rex64_sse): Ditto.

2008-08-14  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/37103
        * fold-const.c (fold_widened_comparison): Do not allow
        sign changes that change the result even if shorter type
        is wider than arg1_unw's type.

2008-08-13  Kazu Hirata  <kazu@codesourcery.com>

        * gcc.dg/arm-g2.c, gcc.dg/arm-mmx-1.c, gcc.dg/arm-scd42-2.c:
        Skip if the multilib testing specifies -march that does not
        agree with the one specified in the testcase.

2008-08-13  Joseph Myers  <joseph@codesourcery.com>

        * config/sparc/sparc.c (emit_soft_tfmode_cvt): Explicitly sign or
        zero extend SImode values being converted to TFmode before passing
        to libcalls.

2008-08-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Predefine
        __PPU__ when targeting the Cell/B.E. PPU processor.

2008-08-13  Eric Botcazou  <ebotcazou@adacore.com>

        * gimple.h (gimple_call_set_chain): Accept SSA variables.
        * tree-ssa-pre.c (create_component_ref_by_pieces_1) <CALL_EXPR>:
        Rematerialize the static chain, if any.
        * tree-ssa-sccvn.c (copy_reference_ops_from_call): Also copy the
        static chain.

2008-08-13  H.J. Lu  <hongjiu.lu@intel.com>

        * dwarf2out.c (dwarf_stack_op_name): Remove prototype.
        (new_loc_descr): Likewise.
        (add_loc_descr): Likewise.
        (size_of_loc_descr): Likewise.
        (size_of_locs): Likewise.
        (output_loc_operands): Likewise.
        (output_loc_sequence): Likewise.
        (new_reg_loc_descr): New.
        (build_cfa_loc): Use it.
        (build_cfa_aligned_loc): Likewise.
        (one_reg_loc_descriptor): Likewise.
        (based_loc_descr): Likewise.

2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 30551
        * doc/invoke.texi (Wmain): Update.
        * c-decl.c (start_decl): warn_main is only 0 or 1.
        (start_function): Likewise. Fix formatting.
        (finish_function): Delete redundant warning.
        * c.opt (Wmain): Add Var(warn_main) and Init(-1).
        * c-opts (c_common_handle_option): -Wall only has effect if
        warn_main is uninitialized. OPT_Wmain is automatically
        handled. -pedantic also enables Wmain.
        (c_common_post_options): Handle all logic for Wmain here.
        * c-common.c (warn_main): Delete.
        (check_main_parameter_types): Make pedwarns conditional on
        OPT_Wmain.
        * c-common.h (warn_main): Delete.

2008-08-13  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/36701
        * expr.c (emit_group_store): Allocate stack temp with the
        largest alignment when copying from register to stack.

2008-08-13  Richard Guenther  <rguenther@suse.de>

        * tree.h (maybe_fold_offset_to_address): Declare.
        * tree-ssa-ccp.c (surely_varying_stmt_p): Fix typo in last commit.
        (ccp_fold): Handle pointer conversions the same as fold_stmt.
        Likewise for POINTER_PLUS_EXPR.
        (maybe_fold_offset_to_reference): Enable disabled code.
        (maybe_fold_offset_to_address): New function.
        (fold_stmt_r): Use it.
        (fold_gimple_assign): Likewise.
        * gimplify.c (gimplify_conversion): Use maybe_fold_offset_to_address.
        (gimplify_expr): Likewise.

2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * toplev.h (pedwarn_at): Fix declaration.
        
2008-08-13  Joseph Myers  <joseph@codesourcery.com>

        * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
        LINK_SPEC): Use %R in -Y P argument.

2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR c/15236
        * diagnostic.c (pedwarn_at): New.
        * toplev.h (pedwarn_at): Declare.
        * c-tree.h (build_enumerator): Update declaration.
        * c-decl.c (finish_enum): Update comment.
        (build_enumerator): Take a location parameter. Give a pedwarn but do
        not perform any conversion.
        * c-parser.c (c_parser_enum_specifier): Set correct location for
        enumerator.

2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 35635
        * c-common.c (conversion_warning): Use a switch. Ignore boolean
        expressions except for conversions to signed:1 bitfields. Handle
        COND_EXPR with constant operands.
        
2008-08-13  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/15255
        * tree-ssa-reassoc.c (linearize_expr_tree): Declare.
        (struct oecount_s): New struct and VEC types.
        (cvec): New global.
        (oecount_hash): New function.
        (oecount_eq): Likewise.
        (oecount_cmp): Likewise.
        (zero_one_operation): New function.
        (build_and_add_sum): Likewise.
        (undistribute_ops_list): Perform un-distribution of multiplication
        and division on the chain of summands.
        (should_break_up_subtract): Also break up subtracts for factors.
        (reassociate_bb): Delete dead visited statements.
        Call undistribute_ops_list.  Re-sort and optimize if it did something.
        * passes.c (init_optimization_passes): Move DSE before
        reassociation.
        * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Correctly handle
        PHI nodes.

2008-08-12  Janis Johnson  <janis187@us.ibm.com>

        * doc/invoke.texi (-fipa-pta): Say the option is experimental.

        * doc/invoke.texi: Revert unintended checkin.

2008-08-12  Nathan Froyd  <froydnj@codesourcery.com>

        PR libgomp/26165
        * gcc.c (include_spec_function): Tweak call to find_a_file.

2008-08-12  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/37014
        * expr.c (expand_expr_real_1): Handle TRUTH_ANDIF_EXPR
        and TRUTH_ORIF_EXPR.
        * dojump.c (do_jump): Likewise.

        PR tree-optimization/37084
        * tree-inline.c (copy_bb): Call gimple_regimplify_operands
        if id->regimplify, don't assume stmt is a cast assignment.

2008-08-12  Anatoly Sokolov  <aesok@post.ru>

        * final.c (final_scan_insn): Use app_enable/app_disable functions.

2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        PR bootstrap/37097
        * builtins.c (do_mpfr_bessel_n): Fix copy-and-paste bug introduced
        by last change.

2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * defaults.h (TARGET_FLOAT_FORMAT): Remove.
        (UNKNOWN_FLOAT_FORMAT, IEEE_FLOAT_FORMAT, VAX_FLOAT_FORMAT): Remove.

        * config/alpha/alpha.h (TARGET_FLOAT_FORMAT): Remove.
        * config/iq2000/iq2000.h (TARGET_FLOAT_FORMAT): Remove.
        * config/pdp11/pdp11.h (TARGET_FLOAT_FORMAT): Remove.
        * config/score/score.h (TARGET_FLOAT_FORMAT): Remove.
        * config/vax/vax.h (TARGET_FLOAT_FORMAT): Remove.

        * doc/tm.texi (Storage Layout): Remove documentation for
        TARGET_FLOAT_FORMAT.

        * simplify-rtx.c (simplify_binary_operation_1): Replace
        TARGET_FLOAT_FORMAT check by appropriate HONOR_... checks.

2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * real.h (struct real_format): New member has_sign_dependent_rounding.
        * real.c (ieee_single_format, mips_single_format, motorola_single_format,
        spu_single_format, ieee_double_format, mips_double_format,
        motorola_double_format, ieee_extended_motorola_format,
        ieee_extended_intel_96_format, ieee_extended_intel_128_format,
        ieee_extended_intel_96_round_53_format, ibm_extended_format,
        mips_extended_format, ieee_quad_format, mips_quad_format,
        vax_f_format, vax_d_format, vax_g_format): Initialize it.
        * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.

        * defaults.h (MODE_HAS_NANS, MODE_HAS_INFINITIES,
        MODE_HAS_SIGNED_ZEROS, MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove.
        * config/spu/spu.h (MODE_HAS_NANS, MODE_HAS_INFINITIES,
        MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove.
        (ROUND_TOWARDS_ZERO): Likewise.

        * real.h (REAL_MODE_FORMAT): Protect MODE against macro expansion.
        (FLOAT_MODE_FORMAT): New macro.
        (REAL_MODE_FORMAT_COMPOSITE_P): Remove, replace by ...
        (MODE_COMPOSITE_P): ... this new macro.
        (MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS,
        MODE_HAS_SIGN_DEPENDENT_ROUNDING): New macros.
        * machmode.h (GET_MODE_INNER): Cast result to enum machine_mode.

        * flags.h: Include "real.h".

        * fold-const.c (const_binop): Use MODE_COMPOSITE_P instead of
        REAL_MODE_FORMAT_COMPOSITE_P.
        * simplify-rtx.c (simplify_const_binary_operation): Likewise.

        * doc/tm.texi (Storage Layout): Remove documentation of
        MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS,
        MODE_HAS_SIGN_DEPENDENT_ROUNDING.  Update documentation of
        ROUND_TOWARDS_ZERO and LARGEST_EXPONENT_IS_NORMAL to clarify
        they only apply to libgcc2.a.

2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/float_disf.c: New file.
        * config/spu/float_unsdisf.c: New file.
        * config/spu/t-elf (LIB2FUNCS_STATIC_EXTRA): Add them.
        (LIB2FUNCS_EXCLUDE): Define.

2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
            Trevor Smigiel  <trevor_smigiel@playstation.sony.com>

        * real.h (struct real_format): New member round_towards_zero.
        * real.c (round_for_format): Respect fmt->round_towards_zero.
        (ieee_single_format, mips_single_format, motorola_single_format,
        spu_single_format, ieee_double_format, mips_double_format,
        motorola_double_format, ieee_extended_motorola_format,
        ieee_extended_intel_96_format, ieee_extended_intel_128_format,
        ieee_extended_intel_96_round_53_format, ibm_extended_format,
        mips_extended_format, ieee_quad_format, mips_quad_format,
        vax_f_format, vax_d_format, vax_g_format): Initialize it.
        * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.

        * builtins.s (do_mpfr_arg1): Consider round_towards_zero member of
        real_format to choose rounding mode when calling MPFR functions.
        (do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Likewise.
        (do_mpfr_bessel_n, do_mpfr_remquo, do_mpfr_lgamma_r): Likewise.

        * real.h (real_to_decimal_for_mode): Add prototype.
        * real.c (real_to_decimal_for_mode): Renames old real_to_decimal.
        Respect target rounding mode when generating decimal representation.
        (real_to_decimal): New stub for backwards compatibility.
        * c-cppbuiltin.c (builtin_define_with_hex_fp_value): Use
        real_to_decimal_for_mode instead of real_to_decimal.

        * config/spu/spu.md ("floatdisf2", "floatunsdisf2"): New.

2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
            Trevor Smigiel  <trevor_smigiel@playstation.sony.com>

        * real.c (spu_single_format): New variable.
        * real.h (spu_single_format): Declare.

        * config/spu/spu.c (spu_override_options): Install SFmode format.
        (spu_split_immediate): Use integer mode to operate on pieces of
        floating-point values in all cases.

        * config/spu/spu.md (UNSPEC_FLOAT_EXTEND, UNSPEC_FLOAT_TRUNCATE): New.
        ("extendsfdf2"): Use UNSPEC_FLOAT_EXTEND instead of FLOAT_EXTEND.
        ("truncdfsf2"): Use UNSPEC_FLOAT_TRUNCATE instead of FLOAT_TRUNCATE.

2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (spu_safe_dma): Respect TARGET_SAFE_DMA.

2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.h (DWARF_FRAME_RETURN_COLUMN): Define.

2008-08-12  Jakub Jelinek  <jakub@redhat.com>

        PR c++/36688
        * gimplify.c (gimplify_modify_expr_rhs): Test TREE_READONLY
        on the VAR_DECL instead of TYPE_READONLY on its type.

2008-08-12  Ira Rosen  <irar@il.ibm.com>

        * tree-vectorizer.c: Depend on langhooks.h.
        (supportable_widening_operation): Add two arguments. Support double
        type conversions.
        (supportable_narrowing_operation): Likewise.
        * tree-vectorizer.h (supportable_widening_operation): Add two 
        arguments.
        (supportable_narrowing_operation): Likewise.
        * tree-vect-patterns.c (vect_recog_widen_mult_pattern) : Call
        supportable_widening_operation with correct arguments.
        * tree-vect-transform.c (vectorizable_conversion): Likewise.
        (vectorizable_type_demotion): Support double type conversions.
        (vectorizable_type_promotion): Likewise.
        * Makefile.in (tree-vectorizer.o): Depend on langhooks.h.

2008-08-11  Michael Matz  <matz@suse.de>

        * i386/i386.c (override_options): Move initialisation from
        flag_schedule_insns_after_reload to here from ...
        (optimization_options): ... here.

2008-08-11  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/36998
        * dwarf2out.c (compute_barrier_args_size_1,
        compute_barrier_args_size): Temporarily remove assertions.

2008-08-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR middle-end/20644
        * tree-ssa.c (struct walk_data): Add new flag
        warn_possibly_uninitialized.
        (warn_uninitialized_var): Use it.
        (warn_uninitialized_vars): New.
        (execute_early_warn_uninitialized): Call it.
        (execute_late_warn_uninitialized): Likewise.

2008-08-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR middle-end/36238
        * reload1.c (gen_reload): Guard calls to get_secondary_mem
        for memory subregs.

2008-08-09  Jan Hubicka  <jh@suse.cz>

        PR target/37055
        * optabs.c (maybe_emit_unop_insn): Remove produced code if
        expansion failed.
        (expand_fix): Be prepared for expansion to fail.
        (expand_sfix_optab): Remove instructions if expansion failed.

2008-08-09  Anatoly Sokolov  <aesok@post.ru>

        * config/avr/avr.c (avr_mcu_types): Move the AT43USB320 device to
        avr31 architecture.
        * config/avr/avr.h (CRT_BINUTILS_SPECS): (Ditto.).
        * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).

2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>

        * config.gcc (mips*-*-linux*, mips64*-*-linux*): Add
        mips/t-libgcc-mips16 to tmake_file.
        * config/mips/mips-protos.h (mips_call_type): New enum.
        (mips_pic_base_register, mips_got_load): Declare.
        (mips_restore_gp): Take an rtx argument.
        (mips_use_pic_fn_addr_reg_p): Declare.
        (mips_expand_call): Replace the sibcall_p argument with
        a mips_call_type argument.  Add a lazy_p parameter.
        (mips_split_call): Declare.
        * config/mips/mips.h (MIPS16_PIC_TEMP_REGNUM): New macro.
        (MIPS16_PIC_TEMP): Likewise.
        (reg_class): Delete M16_NA_REGS.
        (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
        (SYMBOL_FLAG_BIND_NOW, SYMBOL_REF_BIND_NOW_P): New macros.
        (mips_split_hi_p): Declare.
        * config/mips/mips.c (mips_split_hi_p): New array.
        (mips_regno_to_class): Change M16_NA_REGS entries to M16_REGS.
        (mips_got_symbol_type_p): New function.
        (mips_global_symbol_p): Check SYMBOL_REF_EXTERNAL_P.
        (mips16_stub_function_p): New function.
        (mips16_local_function_p): Likewise.
        (mips_use_pic_fn_addr_reg_p): Likewise.
        (mips_cannot_force_const_mem): Return false for HIGHs.
        Extend CONST_INT and symbolic handling to MIPS16, using
        mips_symbol_insns to check that the base symbol type is a
        legitimate constant.  Reject GOT-based constants if
        TARGET_MIPS16_PCREL_LOADS.
        (mips_const_insns): Check targetm.cannot_force_const_mem when
        decomposing a symbolic base and a large offset.
        (mips_emit_call_insn): Add ORIG_ADDR and ADDR parameters.
        When calling a function that needs $25 from MIPS16 code,
        move the target address into $25 separately and add a USE
        to the call insn.
        (mips16_gp_pseudo_reg): Insert the initializer immediately
        before the first real insn.
        (mips_pic_base_register, mips_got_load): New functions.
        (mips_split_symbol): Generalize the name of the LO_SUM_OUT
        parameter to LOW_OUT.  Say that it can be any valid SET_SRC
        when splitting a load-address operation.  Split SYMBOL_GOT_DISP
        constants and highs of SYMBOL_GOT_PAGE_OFST constants.
        (mips_call_tls_get_addr): Update the call to mips_expand_call,
        also passing NULL_RTX rather than const0_rtx as the aux argument.
        (mips_rewrite_small_data_p): Check mips_lo_relocs and mips_split_p
        instead of TARGET_EXPLICIT_RELOCS.
        (mips_ok_for_lazy_binding_p): Check SYMBOL_REF_BIND_NOW_P.
        (mips_load_call_address): Replace the sibcall_p argument with
        a mips_call_type argument.  Use mips_got_load.
        (mips16_local_alias): New structure.
        (mips16_local_aliases): New variable.
        (mips16_local_aliases_hash): New function.
        (mips16_local_aliases_eq): Likewise.
        (mips16_local_alias): Likewise.
        (mips16_stub_function): Likewise.
        (mips16_build_function_stub): Create a local alias for the target
        function.  Handle TARGET_ABICALLS.  For PIC abicalls, emit a
        .cpload directive and an R_MIPS_NONE relocation for the target
        function, then load the alias rather than the function itself.
        Wrap the non-PIC abicalls version in ".option pic0/.option pic2".
        (mips16_copy_fpr_return_value): Use mips16_stub_function and
        mips_expand_call.  Set SYMBOL_REF_BIND_NOW on the symbol.
        (mips16_build_call_stub): Replace the FN parameter with an
        FN_PTR parameter.  Force the address into a register if it
        isn't a call_insn_operand; don't rely on the caller to do this.
        If a call to a locally-defined and locally-binding MIPS16
        function must be made indirectly, redirect the call to the
        function's local alias.  Use mips16_stub_function_p,
        mips16_stub_function, mips_expand_call and use_reg.
        Set SYMBOL_FLAG_BIND_NOW on __mips_call_* symbols.
        Use explicit %hi and %lo accesses where possible.
        Use MIPS_CALL to generate the correct code form of a
        jal instruction.  Add clobbers of $18 instead of uses.
        Update the call to mips_emit_call_insn.
        (mips_expand_call): Replace the SIBCALL_P argument with a
        mips_call_type argument and handle the new MIPS_CALL_EPILOGUE value.
        Take a LAZY_P parameter.  Call mips16_build_call_stub first,
        allowing it to modify the call address.  Update the calls to
        mips_load_call_address and mips_emit_call_insn.
        (mips_split_call): New function.
        (mips_init_relocs): Clear mips_split_hi_p.  Only use %gp_rel if
        !TARGET_MIPS16.  Split SYMBOL_GOT_DISP, and the high parts of
        SYMBOL_GOT_PAGE_OFST, for MIPS16 code.
        (mips_global_pointer): Check mips16_cfun_returns_in_fpr_p.
        (mips_extra_live_on_entry): Include MIPS16_PIC_TEMP_REGNUM
        if TARGET_MIPS16.
        (mips_cprestore_slot): New function.
        (mips_restore_gp): Take a TEMP parameter.  Handle TARGET_MIPS16
        and use mips_cprestore_slot.
        (mips_output_function_prologue): Handle TARGET_MIPS16 for
        LOADGP_OLDABI.
        (mips_emit_loadgp): Move into MIPS16_PIC_TEMP for MIPS16,
        then use a copygp_mips16 instruction to set up $28.
        (mips_expand_prologue): Initialize the cprestore slot for MIPS16 too.
        (mips16_lay_out_constants): Call split_all_insns_noflow.
        (mips_reorg_process_insns): Explicitly set all_noreorder_p to
        false if TARGET_MIPS16.
        (mips_reorg): Don't call vr4130_align_insns if TARGET_MIPS16.
        (mips_output_mi_thunk): Use mips_got_symbol_type_p.  Use the
        mips_dangerous_for_la25_p approach for MIPS16 PIC calls too.
        (mips_set_mips16_mode): Always set MASK_EXPLICIT_RELOCS for
        MIPS16 code.  Allow MIPS16 o32 PIC.
        (mips_override_options): Allow MIPS16 o32 PIC.
        * config/mips/mips.md: Lower CONST_GP_P moves into register moves
        after reload if TARGET_USE_GOT.
        (UNSPEC_COPYGP): New constant.
        (length): Use a default length of 8 for MIPS16 GOT loads.
        (*got_disp<mode>): Check mips_split_p instead of TARGET_XGOT.
        (*got_page<mode>): Check mips_split_hi_p.
        (*got_disp<mode>, *got_page<mode>): Use mips_got_load.
        (unspec_got<mode>, unspec_call<mode>): New expanders.
        (load_got<mode>, load_call<mode>): Remove the length attributes.
        Use a got attribute instead of a type attribute.
        (copygp_mips16): New insn.
        (restore_gp): Add a scratch clobber and pass it to mips_restore_gp.
        (load_call<mode>): Use a "d" constraint instead of an "r" constraint.
        (sibcall, sibcall_value, call, call_value): Update the calls
        to mips_expand_call.
        (call_internal, call_value_internal): Use mips_split_call.
        (call_value_multiple_internal): Likewise.
        (call_split): Move after call_internal (the insn it is split from).
        (call_internal_direct, call_value_internal_direct): Turn into
        define_insn_and_splits.  Split if TARGET_SPLIT_CALLS.
        (call_direct_split, call_value_direct_split): New patterns.
        * config/mips/constraints.md (c): Handle TARGET_MIPS16 first
        and use M16_REGS instead of M16_NA_REGS.
        * config/mips/predicates.md (const_call_insn_operand): Replace
        the TARGET_ABSOLUTE_ABICALLS-based check with a more general
        mips_use_pic_fn_addr_reg_p check.
        (move_operand): Reject HIGHs if mips_split_hi_p.
        * config/mips/mips16.S: Assembly as empty if the ABI is not suitable.
        (__mips16_floatunsisf): Inline __mips16_floatsisf.
        (CALL_STUB_NO_RET, CALL_STUB_REG): Copy the target register to $25.
        * config/mips/libgcc-mips16.ver: New file.
        * config/mips/t-libgcc-mips16 (SHLIB_MAPFILES): Add
        $(srcdir)/config/mips/libgcc-mips16.ver.

2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (mips_unspec_address_offset): Move earlier in file.
        (mips_unspec_address, mips_unspec_offset_high): Likewise.
        (mips_ok_for_lazy_binding_p, mips_load_call_address): Likewise.
        (mips16_cfun_returns_in_fpr_p): Likewise.

2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.h (MASK_RETURN_ADDR): Expand commentary.
        * config/mips/linux-unwind.h (mips_fallback_frame_state): Add 2
        rather than 4 to PC.

2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.h (STATIC_CHAIN_REGNUM): Remap to $15.
        (FUNCTION_PROFILER): Save the static chain pointer into $2
        beforehand and restore it aftewards.
        (TRAMPOLINE_TEMPLATE): Adjust accordingly.  Load the target
        address directly into $25 and call the function through $25;
        do not clobber $3.  Pad the DImode version to cover the space
        left by the deleted $25 <- $3 move.
        (TRAMPOLINE_SIZE): Adjust the size of the SImode version after
        the removal of the $25 <- $3 move.
        (INITIALIZE_TRAMPOLINE): Update offsets accordingly.
        * config/mips/sdemtk.h (FUNCTION_PROFILER): As for mips.h.

2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
            Daniel Jacobowitz  <dan@codesourcery.com>

        * config/mips/mips.h (FUNCTION_NAME_ALREADY_DECLARED): Delete.
        * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Delete.
        (ASM_DECLARE_FUNCTION_SIZE, FUNCTION_NAME_ALREADY_DECLARED): Delete.
        * config/mips/mips.c (mips_start_function_definition): New function.
        (mips_end_function_definition): Likewise.
        (mips_output_function_prologue): Use mips_start_function_definition.
        (mips_output_function_epilogue): Use mips_end_function_definition.
        (build_mips16_function_stub): Use mips_start_function_definition
        and mips_end_function_definition.
        (build_mips16_call_stub): Likewise.

2008-08-09  Richard Guenther  <rguenther@suse.de>

        * gimple.c (gimple_build_call_1): Deal with FUNCTION_DECL fn.
        * gimple.h (gimple_call_fn): Adjust comment.
        (gimple_call_set_fndecl): New function.
        (gimple_call_fndecl): Adjust for GIMPLE_CALL no
        longer having bare FUNCTION_DECL operand.
        (gimple_call_return_type): Likewise.
        * tree-cfg.c (verify_stmt): Verify function operand of a GIMPLE_CALL.

        * value-prof.c (gimple_divmod_fixed_value): Do not emit labels.
        (gimple_mod_pow2): Likewise.
        (gimple_mod_subtract): Likewise.
        (gimple_ic): Likewise.
        (gimple_stringop_fixed_value): Likewise.
        (gimple_indirect_call_to_profile): Fix for GIMPLE_CALL no
        longer having bare FUNCTION_DECL operand.
        * ipa-cp.c (ipcp_update_callgraph): Use gimple_call_set_fndecl.
        * omp-low.c (optimize_omp_library_calls): Likewise.
        * cgraphunit.c (update_call_expr): Likewise.
        * tree-ssa-math-opts.c (execute_cse_reciprocals): Likewise.
        (execute_convert_to_rsqrt): Likewise.
        * cfgexpand.c (gimple_to_tree): Simplify.
        (release_stmt_tree): Fix for GIMPLE_CALL no longer having
        bare FUNCTION_DECL operand.
        * tree-nested.c (init_tmp_var_with_call): Use gimple_call_return_type.
        (convert_gimple_call): Use gimple_call_fndecl.
        * c-common.c (c_warn_unused_result): Likewise.

2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR c/17880
        * c-typeck.c (digest_init): Call verify_sequence_points from here.
        (c_finish_return): Likewise.
        (c_start_case): Likewise.
        * c-common.c (warn_for_collisions_1): Use explicit location in
        warning.
        * c-parser.c (c_parser_condition): New. Call
        verify_sequence_points.
        (c_parser_paren_condition): Call c_parser_condition.
        (c_parser_for_statement): Call c_parser_condition.

2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 36901
        * diagnostic.def (DK_PEDWARN, DK_PERMERROR): New.  
        * diagnostic.c (pedantic_warning_kind, permissive_error_kind):
        Moved from diagnostic.h
        (diagnostic_report_diagnostic): Return bool. Handle DK_PEDWARN and
        DK_PERMERROR.
        (emit_diagnostic): New.
        (warning0, pedwarn0): Delete.
        (warning, warning_at, pedwarn, permerror): Return bool.  
        * diagnostic.h (pedantic_warning_kind, permissive_error_kind):
        Moved to diagnostic.c.
        (struct diagnostic_context): Use correct type for
        classify_diagnostic.
        (diagnostic_report_diagnostic): Update declaration.
        (emit_diagnostic): Declare.
        * errors.c (warning): Return bool.  
        * errors.h (warning): Update declaration.
        * toplev.h (warning0, pedwarn0): Delete.
        (warning, warning_at, pedwarn, permerror): Return bool.
        * c-errors.c (pedwarn_c99, pedwarn_c90): Use DK_PEDWARN.
        * c-decl.c (locate_old_decl): Delete 'diag' argument. Always use
        inform. Update all calls.
        (diagnose_mismatched_decls): Check return value of warning/pedwarn
        before giving informative note.
        (implicit_decl_warning): Likewise.  
        * c-typeck.c (build_function_call): Likewise.  
        * tree-sssa.c (warn_uninit): Likewise.  
        * builtins.c (gimplify_va_arg_expr): Likewise.

2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 7651
        * doc/invoke.texi (-Wextra): Move warning from here...
        (-Wuninitialized): ... to here.
        
2008-08-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 28875
        * flags.h (set_Wunused): Delete
        * toplev.c (process_options): Handle Wunused flags here.
        * opts.c (maybe_warn_unused_parameter): Delete.
        (common_handle_option): Replace set_Wunused by warn_unused.
        (set_Wextra): Do not handle Wunused-parameter here.
        (set_Wunused): Delete.
        * c-opts.c (c_common_handle_option): Replace set_Wunused by
        warn_unused.
        * common.opt (Wunused): Add Var and Init.
        (Wunused-function): Likewise.
        (Wunused-label): Likewise.
        (Wunused-parameter): Likewise.
        (Wunused-value): Likewise.
        (Wunused-variable): Likewise.
        
2008-08-08  Peter Bergner  <bergner@vnet.ibm.com>

        * doc/invoke.texi: Add cpu_type power7.
        * config.in (HAVE_AS_VSX): New.
        * config.gcc: Add cpu_type power7.
        * configure.ac (HAVE_AS_VSX): Check for assembler support of the
        VSX instructions.
        * configure: Regenerate.
        * config/rs6000/rs6000.c (rs6000_override_options): Alias power7 to
        power5.
        * config/rs6000/rs6000.h (ASM_CPU_POWER7_SPEC): Define.
        (ASM_CPU_SPEC): Pass %(asm_cpu_power7) for -mcpu=power7.
        (EXTRA_SPECS): Add asm_cpu_power7 spec string.

2008-08-08  Dorit Nuzman  <dorit@il.ibm.com>

        * tree-vect-transform.c (vectorizable_conversion): Pass the integral
        type to vectorize.builtin_conversion.
        (vectorizable_conversion): Likewise.
        * config/i386/i386.c (ix86_vectorize_builtin_conversion): Always takes
        integral type as input.
        * config/rs6000/rs6000.c (rs6000_builtin_conversion): Add case for
        FIX_TRUNC_EXPR.
        (rs6000_expand_builtin): Add case for ALTIVEC_BUILTIN_VCTUXS
        and ALTIVEC_BUILTIN_VCTSXS.
        (rs6000_builtin_mul_widen_even. rs6000_builtin_mul_widen_odd): Fix
        formatting. 

2008-08-08  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-ccp.c (likely_value): Calls are not all varying.
        (surely_varying_stmt_p): Calls are varying only if they are
        non-builtin and not indirect or have no result.
        (ccp_fold): Re-instantiate code before the tuples merge.

2008-08-08  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/37056
        * gimple.h (gimple_assign_rhs_class): New helper function.
        * tree-ssa-loop-niter.c (get_val_for): Fix tuplification, handle
        unary operations properly.

2008-08-07  Jan Hubicka  <jh@suse.cz>

        * i386.h (ix86_size_cost): Declare.
        (ix86_cur_cost): New function macro.
        * i386.md (peepholes expanding size and splitters): Predicate by
        optimize_insn_for_speed_p.
        (peepholes reduce size and splitters): Predicate by
        optimize_insn_for_size_p.
        * i386.c (ix86_size_cost): Rename from ...
        (size_cost): This one.
        (override_options): Update.
        (decide_alg): Likewise.
        (ix86_expand_clear): Use RTL profile.
        (ix86_pad_returns): Use RTL profile.

2008-08-07  Jan Hubicka  <jh@suse.cz>

        * recog.c (split_all_insns): Set RTL profile
        (peephole2_optimize): Likewise.
        * function.c (thread_prologue_and_epilogue_insns): Likewise.
        * combine.c (combine_instructions): Likewise.

2008-08-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * c-common.c (c_common_reswords): Also warn about keyword "bool".

2008-08-07  Bob Wilson  <bob.wilson@acm.org>
        
        * config/xtensa/xtensa.c (xtensa_copy_incoming_a7): Copy incoming
        value in a6 after the set_frame_ptr insn.
        
2008-08-07  Richard Henderson  <rth@redhat.com>

        PR debug/37033
        * gcc.c (cpp_options): Pass along -g*.

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

        * config/arm/arm.c (output_move_neon): Update comment describing
        big-endian vector layout.
        (arm_assemble_integer): Do not handle big-endian NEON vectors
        specially.
        * config/arm/neon.md (vec_set<mode>_internal, vec_extract<mode>,
        neon_vget_lane<mode>_sext_internal,
        neon_vget_lane<mode>_zext_internal, neon_vget_lane<mode>): Adjust
        element indices for big-endian.

2008-08-07  Richard Henderson  <rth@redhat.com>

        * configure.ac (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): New.
        * configure, config.in: Rebuild.
        * debug.h (dwarf2out_do_cfi_asm): Declare.
        * c-cppbuiltin.c (c_cpp_builtins): Use it.
        * dwarf2out.c (dwarf2out_do_cfi_asm): New.
        (dwarf2out_cfi_label, add_fde_cfi, output_call_frame_info,
        dwarf2out_begin_prologue, dwarf2out_end_epilogue): Use it.

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

        * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
        movv2si_internal): Combine into mov<mode>_internal.
        (movv2si_internal_2): Remove.

2008-08-07  Jan Hubicka  <jh@suse.cz>

        PR target/37048
        * i386.md (single stringop patterns): Enable unconditionally. 

2008-08-07  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/36992
        * config/i386/emmintrin.h (_mm_move_epi64): Use
        __builtin_ia32_movq128.

        * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVQ128.
        (bdesc_args): Add IX86_BUILTIN_MOVQ128.

        * config/i386/sse.md (sse2_movq128): New.

        * doc/extend.texi: Document __builtin_ia32_movq128.

2008-08-07  Richard Guenther  <rguenther@suse.de>

        PR middle-end/37042
        * tree-ssa-alias-warnings.c (nonstandard_alias_p): Ref-all
        pointers can access anything.

2008-08-06  Jan Hubicka  <jh@suse.cz>

        * optabs.c (emit_unop_insn): Break out to ...
        (maybe_emit_unop_insn): ... this one.
        (expand_sfix_optab): Use maybe variant.
        * optabs.h (maybe_emit_unop_insn): Declare.

        * i386.md (mov0 patterns): Enable by default.
        (FP conversion expanders): Disable expansion of code expanding
        sequences when instruction should be optimized for size.
        (single strinop patterns): Enable when optimizing for size.
        (string expanders): Disable expanding of code expanding sequences
        when optimizning instruction for size.
        * i386.c (ix86_expand_vector_move_misalign): Do code size optimization
        per BB basis.
        (ix86_fp_comparison_sahf_cost): Likewise.
        (ix86_expand_branch): Likewise.
        (ix86_expand_ashl_const): Likewise.
        (ix86_split_ashl): Likewise.
        (ix86_expand_strlen): Likewise.
        (ix86_emit_fp_unordered_jump): Likewie.

2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * c-common.c: Fix typo.
        (c_common_reswords): Activate more C++ keyword warnings.

        * matrix-reorg.c (compute_offset): Avoid C++ keywords.

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

        PR 26785
        * diagnostic.c (permerror_at): New.
        * toplev.h (permerror_at): Declare.
        
2008-08-06  Victor Kaplansky  <victork@il.ibm.com>
            Ira Rosen  <irar@il.ibm.com>

        * tree-vect-transform.c (vect_model_simple_cost): Return
        immediately if stmt is pure SLP.
        (vect_model_store_cost): Ditto.
        (vect_model_load_cost): Ditto.
        (vectorizable_store): Remove PURE_SLP check before call
        to vect_model_store_cost.
        (vect_model_store_cost): When checking whether stmt describe
        strided access, add a check that it is not slp_node.

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

        PR 8715
        * c-common.c (warn_for_sign_compare): New. Handle separately the
        case that 'constant' is zero.
        * c-typeck.c (build_binary_op): Move code to c-common.c
        
2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * config/alpha/alpha.c (alpha_preferred_reload_class,
        alpha_secondary_reload, alpha_emit_set_const_1, function_value,
        alpha_output_mi_thunk_osf): Avoid C++ keywords.
        * config/arm/arm.c (output_move_vfp, output_move_neon): Likewise.
        * config/arm/arm.md: Likewise.
        * config/avr/avr-protos.h (preferred_reload_class,
        test_hard_reg_class, avr_simplify_comparison_p,
        out_shift_with_cnt, class_max_nregs): Likewise.
        * config/avr/avr.c (class_max_nregs, avr_simplify_comparison_p,
        output_movqi, output_movhi, output_movsisf, out_shift_with_cnt,
        preferred_reload_class, test_hard_reg_class): Likewise.
        * config/bfin/bfin.c (legitimize_pic_address, hard_regno_mode_ok,
        bfin_memory_move_cost, bfin_secondary_reload,
        bfin_output_mi_thunk): Likewise.
        * config/crx/crx.c (crx_secondary_reload_class,
        crx_memory_move_cost): Likewise.
        * config/frv/frv-protos.h (frv_secondary_reload_class,
        frv_class_likely_spilled_p, frv_class_max_nregs): Likewise.
        * config/frv/frv.c (frv_override_options, frv_alloc_temp_reg,
        frv_secondary_reload_class, frv_class_likely_spilled_p,
        frv_class_max_nregs): Likewise.
        * config/h8300/h8300.c (h8300_classify_operand,
        h8300_unary_length, h8300_bitfield_length, h8300_asm_insn_count):
        Likewise.
        * config/i386/winnt.c (i386_pe_declare_function_type): Likewise.
        * config/ia64/ia64.c (ia64_preferred_reload_class,
        ia64_secondary_reload_class, ia64_output_mi_thunk): Likewise.
        * config/iq2000/iq2000.c (gen_int_relational): Likewise.
        * config/m32c/m32c.c (class_can_hold_mode, m32c_output_compare):
        Likewise.
        * config/m68hc11/m68hc11.c (preferred_reload_class,
        m68hc11_memory_move_cost): Likewise.
        * config/mcore/mcore.c (mcore_secondary_reload_class,
        mcore_reload_class): Likewise.
        * config/mips/mips.c (mips_hard_regno_mode_ok_p,
        mips_class_max_nregs, mips_cannot_change_mode_class,
        mips_preferred_reload_class, mips_secondary_reload_class,
        mips_output_mi_thunk): Likewise.
        * config/mmix/mmix.c (mmix_preferred_reload_class,
        mmix_preferred_output_reload_class, mmix_secondary_reload_class):
        Likewise.
        * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
        Likewise.
        * config/pa/pa.c (pa_secondary_reload, pa_combine_instructions,
        pa_can_combine_p, pa_cannot_change_mode_class): Likewise.
        * config/pa/pa.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
        * config/rs6000/rs6000.c (paired_expand_vector_init,
        rs6000_secondary_reload_class, rs6000_output_mi_thunk,
        compare_section_name, rs6000_memory_move_cost): Likewise.
        * config/s390/s390.c (s390_emit_compare_and_swap,
        s390_preferred_reload_class, s390_secondary_reload,
        legitimize_pic_address, legitimize_tls_address,
        legitimize_reload_address, s390_expand_cs_hqi, s390_expand_atomic,
        s390_class_max_nregs): Likewise.
        * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
        * config/s390/s390.md: Likewise.
        * config/score/score-protos.h (score_secondary_reload_class,
        score_preferred_reload_class): Likewise.
        * config/score/score.c (score_preferred_reload_class,
        score_secondary_reload_class): Likewise.
        * config/score/score3.c (score3_output_mi_thunk,
        score3_preferred_reload_class, score3_secondary_reload_class,
        score3_hard_regno_mode_ok): Likewise.
        * config/score/score3.h (score3_preferred_reload_class,
        score3_secondary_reload_class): Likewise.
        * config/score/score7.c (score7_output_mi_thunk,
        score7_preferred_reload_class, score7_secondary_reload_class,
        score7_hard_regno_mode_ok): Likewise.
        * config/score/score7.h (score7_preferred_reload_class,
        score7_secondary_reload_class): Likewise.
        * config/sh/sh.c (prepare_move_operands, output_far_jump,
        output_branchy_insn, add_constant, gen_block_redirect,
        sh_insn_length_adjustment, sh_cannot_change_mode_class,
        sh_output_mi_thunk, replace_n_hard_rtx, sh_secondary_reload):
        Likewise.
        * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
        * config/stormy16/stormy16.c (xstormy16_output_cbranch_hi,
        xstormy16_output_cbranch_si, xstormy16_secondary_reload_class,
        xstormy16_preferred_reload_class): Likewise.
        * config/xtensa/xtensa.c (xtensa_expand_compare_and_swap,
        xtensa_expand_atomic, override_options,
        xtensa_preferred_reload_class, xtensa_secondary_reload_class):
        Likewise.
        * reorg.c (try_merge_delay_insns): Likewise.
        * tree.c (merge_dllimport_decl_attributes): Likewise.

        * config/frv/frv.c (frv_print_operand): Change isalpha to ISALPHA.

2008-08-06  Michael Matz  <matz@suse.de>

        * Makefile.in (write_entries_to_file): Quote words.
        * gengtype.c: (read_input_line): Skip over leading white-space.

2008-08-06  Marc Gauthier  <marc@tensilica.com>

        * config.gcc: Match more processor names for Xtensa.
        * configure.ac: Likewise.
        * doc/install.texi (Specific): Likewise.
        * configure: Regenerate.

2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (expand_builtin_profile_func): Avoid C++ keywords.
        * calls.c (avoid_likely_spilled_reg): Likewise.
        * cfgexpand.c (gimple_assign_rhs_to_tree): Likewise.
        * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Likewise.
        * config/i386/i386.c (ix86_expand_special_args_builtin,
        ix86_secondary_reload): Likewise.
        * except.c (struct eh_region, gen_eh_region_catch,
        remove_unreachable_regions, duplicate_eh_regions,
        assign_filter_values, build_post_landing_pads,
        sjlj_find_directly_reachable_regions, remove_eh_handler,
        reachable_next_level, foreach_reachable_handler,
        can_throw_internal_1, can_throw_external_1,
        collect_one_action_chain): Likewise.
        * expr.c (expand_expr_real_1, vector_mode_valid_p): Likewise.
        * fold-const.c (twoval_comparison_p, eval_subst): Likewise.
        * function.c (update_temp_slot_address, instantiate_new_reg,
        instantiate_virtual_regs_in_rtx,
        instantiate_virtual_regs_in_insn): Likewise.
        * gimple.c (extract_ops_from_tree, gimple_seq_copy): Likewise.
        * gimplify.c (gimplify_call_expr, gimplify_init_constructor,
        gimplify_cleanup_point_expr): Likewise.
        * ipa-cp.c (ipcp_lattice_changed): Likewise.
        * passes.c (next_pass_1): Likewise.
        * print-tree.c (print_node_brief, print_node): Likewise.
        * profile.c (branch_prob): Likewise.
        * tree-dump.c (dump_register): Likewise.
        * tree-eh.c (replace_goto_queue_cond_clause, lower_catch):
        Likewise.
        * tree-inline.c (remap_ssa_name, remap_type_1, remap_blocks,
        copy_statement_list, remap_gimple_op_r, copy_tree_body_r,
        copy_edges_for_bb, copy_cfg_body, copy_tree_r,
        copy_arguments_for_versioning, copy_static_chain): Likewise.
        * tree-into-ssa.c (names_replaced_by, add_to_repl_tbl,
        add_new_name_mapping, register_new_name_mapping): Likewise.
        * tree-mudflap.c (mf_xform_derefs): Likewise.
        * tree-predcom.c (struct chain, dump_chain, replace_ref_with,
        get_init_expr, combine_chains): Likewise.
        * tree-pretty-print.c (dump_generic_node): Likewise.
        * tree-ssa-structalias.c (create_variable_info_for): Likewise.
        * tree-vrp.c (simplify_cond_using_ranges): Likewise.
        * tree.c (substitute_in_expr, iterative_hash_expr): Likewise.
        * value-prof.c (gimple_duplicate_stmt_histograms): Likewise.

2008-08-06  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/37010
        * calls.c (expand_call): Use the biggest preferred stack
        boundary.

2008-08-06  Michael Matz  <matz@suse.de>

        PR target/36613
        * reload.c (push_reload): Merge in,out,in_reg,out_reg members
        for reused reload, instead of overwriting them.

2008-08-06  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/37009
        * cfgexpand.c (expand_stack_alignment): Check parm_stack_boundary
        for incoming stack boundary.

        * function.c (assign_parm_find_entry_rtl): Update
        parm_stack_boundary.

        * function.h (rtl_data): Add parm_stack_boundary.

        * config/i386/i386.c (ix86_finalize_stack_realign_flags): Check
        parm_stack_boundary for incoming stack boundary.

2008-08-06  Joseph Myers  <joseph@codesourcery.com>

        * jump.c (rtx_renumbered_equal_p): Do not call subreg_regno_offset
        for unrepresentable subregs or treat them as equal to other regs
        or subregs with the same register number.

2008-08-06  Aldy Hernandez  <aldyh@redhat.com>

        PR middle-end/35432
        * gimplify.c (gimplify_modify_expr): Do not optimize zero-sized types
        if want_value.

2008-08-06  Jan Hubicka  <jh@suse.cz>

        * predict.c (maybe_hot_frequency_p): When profile is absent, all
        frequencies might be hot.

2008-08-06  Andreas Krebbel  <krebbel1@de.ibm.com>

        * reload.c (find_reloads): Force constants into literal pool
        also if they are wrapped in a SUBREG.

2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>

        PR target/35659
        * haifa-sched.c (sched_insn_is_legitimate_for_speculation_p): Move ...
        * sched-deps.c (sched_insn_is_legitimate_for_speculation_p): ... here.
        Don't allow predicated instructions for data speculation.
        * sched-int.h (sched_insn_is_legitimate_for_speculation_p): Move
        declaration.

2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * haifa-sched.c (extend_global): Split to extend_global_data and
        extend_region_data.  Update all uses.
        (extend_all): Rename to extend_block_data.

2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * sched-rgn.c (new_ready): Check if instruction can be
        speculatively scheduled before attempting speculation.
        (debug_rgn_dependencies): Remove wrongful assert.

2008-08-05  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/t-xtensa: Remove dependency for gt-xtensa.h.
        
2008-08-05  Bob Wilson  <bob.wilson@acm.org>
        
        * config/xtensa/xtensa.c (xtensa_va_start): Unshare valist.
        (xtensa_gimplify_va_arg_expr): Unshare valist, orig_ndx, ndx, array,
        va_size, and type_size.
        
2008-08-04  Jason Merrill  <jason@redhat.com>

        PR c++/37016
        * tree-ssa.c (useless_type_conversion_p_1): Call langhook
        if TYPE_STRUCTURAL_EQUALITY_P is true for both types.

2008-08-05  Richard Henderson  <rth@redhat.com>

        * configure.ac (HAVE_GAS_CFI_DIRECTIVE): Check .cfi_personality.
        * configure: Rebuild.

2008-08-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR tree-opt/37024
        * tree-tailcall.c (process_assignment): Use gimple_assign_cast_p
        instead of IS_CONVERT_EXPR_CODE_P for seeing if the assignment
        is a conversion.

2008-08-05  Richard Henderson  <rth@redhat.com>

        * Makefile.in (c-cppbuiltin.o): Depend on debug.h.
        * c-cppbuiltin.c (c_cpp_builtins): Define __GCC_HAVE_DWARF2_CFI_ASM.
        * doc/cpp.texi (__GCC_HAVE_DWARF2_CFI_ASM): Document it.
        * common.opt (fdwarf2-cfi-asm): New.
        * configure.ac (HAVE_GAS_CFI_DIRECTIVE): New.
        * config.in, configure: Rebuild.
        * dwarf2asm.c (dw2_asm_output_data_raw): New.
        (dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_sleb128_raw): New.
        (dw2_force_const_mem): Externalize.
        * dwarf2asm.h: Update.
        * dwarf2out.c (dwarf2out_cfi_label): If flag_dwarf2_cfi_asm, don't
        generate a real label.
        (output_cfi_directive): New.
        (add_fde_cfi): If flag_dwarf2_cfi_asm, use it.
        (output_call_frame_info): Do nothing if flag_dwarf2_cfi_asm.
        (dwarf2out_begin_prologue): Emit .cfi_startproc, .cfi_personality,
        and .cfi_lsda.
        (dwarf2out_end_epilogue): Emit .cfi_endproc.
        (output_loc_operands_raw, output_loc_sequence_raw): New.
        (output_cfa_loc_raw): New.
        
2008-08-05  Paul Brook  <paul@codesourcery.com>

        * doc/invoke.texi: Document new ARM -mfpu= and -mcpu= options.
        * config/arm/arm.c (all_fpus): Add vfpv3 and vfpv3-d16.
        (fp_model_for_fpu): Add entry for FPUTYPE_VFP3D16.
        (arm_file_start): Add FPUTYPE_VFP3D16.  Rename vfp3 to vfpv3.
        * config/arm/arm.h (TARGET_VFPD32): Define.
        (TARGET_VFP3): Use TARGET_VFPD32.
        (fputype): Add FPUTYPE_VFP3D16.
        (LAST_VFP_REGNUM): Use TARGET_VFPD32.
        * config/arm/constraints.md ("w"): Use TARGET_VFPD32.
        * config/arm/arm-cores.def: Add cortex-r4f.
        * config/arm/arm-tune.md: Regenerate.

2008-08-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu_spu_mfcio.h: Wrap in extern "C" if __cplusplus.
        Reword some comments throughout the file.

        (MFC_MIN_DMA_LIST_ELEMENTS): New define.
        (MFC_MAX_DMA_LIST_ELEMENTS): Likewise.
        (MFC_MIN_DMA_LIST_SIZE): Redefine in terms of MFC_MIN_DMA_LIST_ELEMENTS.
        (MFC_MAX_DMA_LIST_SIZE): Redefine in terms of MFC_MAX_DMA_LIST_ELEMENTS.

        (MFC_START_ENABLE): Remove PPU-only define.
        (MFC_PUTS_CMD, MFC_PUTFS_CMD, MFC_PUTBS_CMD): Likewise.
        (MFC_GETS_CMD, MFC_GETFS_CMD, MFC_GETBS_CMD): Likewise.

        (MFC_PUTB_CMD, MFC_PUTF_CMD): Reimplement using symbolic constants.
        (MFC_PUTL_CMD, MFC_PUTLB_CMD, MFC_PUTLF_CMD): Likewise.
        (MFC_PUTR_CMD, MFC_PUTRB_CMD, MFC_PUTRF_CMD): Likewise.
        (MFC_PUTRL_CMD, MFC_PUTRLB_CMD, MFC_PUTRLF_CMD): Likewise.
        (MFC_GETB_CMD, MFC_GETF_CMD): Likewise.
        (MFC_GETL_CMD, MFC_GETLB_CMD, MFC_GETLF_CMD): Likewise.
        (MFC_SNDSIGB_CMD, MFC_SNDSIGF_CMD): Likewise.

        (MFC_SDCRT_CMD, MFC_SDCRTST_CMD): New defines.
        (MFC_SDCRZ_CMD, MFC_SDCRST_CMD, MFC_SDCRF_CMD): Likewise.
        (mfc_sdcrt, mfc_sdcrtst): Likewise.
        (mfc_sdcrz, mfc_sdcrst, mfc_sdcrf): Likewise.

        (spu_read_machine_status): Fix typo.

2008-08-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.h (CANNOT_CHANGE_MODE_CLASS): Allow (multi)word-sized
        SUBREG of multi-word hard register.
        * config/spu/spu.c (valid_subreg): Likewise.
        (adjust_operand): Handle SUBREGs of multi-word hard registers.

2008-08-04  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-loop-ivopts.c (add_iv_value_candidates): Also add
        the candidate with the stripped base if that base is different
        from the original base even for offset zero.

2008-08-04  Richard Guenther  <rguenther@suse.de>

        PR middle-end/36691
        * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Correctly
        check for no_overflow.

2008-08-04  Richard Guenther  <rguenther@suse.de>

        * tree-vect-transform.c (vectorizable_call): Fix tuplification.

2008-08-04  Paul Brook  <paul@codesourcery.com>

        * cofig/arm/arm.c (thumb_core_reg_alloc_order): New.
        (arm_order_regs_for_local_alloc): New function.
        * config/arm/arm-protos.h (arm_order_regs_for_local_alloc): Add
        prototype.
        * config/arm/arm.h (ORDER_REGS_FOR_LOCAL_ALLOC): Define.

2008-08-04  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/37012
        * config/i386/i386.c (ix86_expand_prologue): Use UNITS_PER_WORD
        instead of STACK_BOUNDARY / BITS_PER_UNIT to align stack.
        (ix86_expand_epilogue): Likewise.

2008-08-04  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_compute_frame_layout): Fix a typo
        in comments.

2008-08-03  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/mmx.md (*mov<mode>_internal_rex64): Use Yi instead of x
        to avoid inter-unit moves for !TARGET_INTER_UNIT_MOVES.
        (*movv2sf_internal_rex64): Ditto.

2008-08-03  Jan Hubicka  <jh@suse.cz>

        * optabs.c (expand_binop, expand_builtin_pow, expand_builtin_powi,
        expand_builtin_strcat): Upse optimize_insn_for_speed predicate.
        * expmed.c (expand_smod_pow2): Likewise.

2008-08-03  Uros Bizjak  <ubizjak@gmail.com>

        PR target/36992
        * config/i386/sse.md (vec_concatv2di): Add Y2 constraint to
        alternative 0 of operand 1.
        (*vec_concatv2di_rex64_sse): Ditto.
        (*vec_concatv2di_rex64_sse4_1): Add x constraint to alternative 0
        of operand 1.
        (*sse2_storeq_rex64): Penalize allocation of "r" registers.
        * config/i386/mmx.md (*mov<mode>_internal_rex64): Penalize allocation
        of "Y2" registers to avoid SSE <-> MMX conversions for DImode moves.
        (*movv2sf_internal_rex64): Ditto.

2008-08-02  Richard Guenther  <rguenther@suse.de>

        PR target/35252
        * config/i386/sse.md (SSEMODE4S, SSEMODE2D): New mode iterators.
        (ssedoublesizemode): New mode attribute.
        (sse_shufps): Call gen_sse_shufps_v4sf.
        (sse_shufps_1): Macroize.
        (sse2_shufpd): Call gen_Sse_shufpd_v2df.
        (sse2_shufpd_1): Macroize.
        (vec_extract_odd, vec_extract_even): New expanders.
        (vec_interleave_highv4sf, vec_interleave_lowv4sf,
        vec_interleave_highv2df, vec_interleave_lowv2df): Likewise.
        * i386.c (ix86_expand_vector_init_one_nonzero): Call
        gen_sse_shufps_v4sf instead of gen_sse_shufps_1.
        (ix86_expand_vector_set): Likewise.
        (ix86_expand_reduc_v4sf): Likewise.

2008-08-01  Doug Kwan  <dougkwan@google.com>

        * matrix-reorg.c: Re-enable all code.
        (struct malloc_call_data): Change CALL_STMT to gimple type.
        (collect_data_for_malloc_call): Tuplify.
        (struct access_site_info): Change STMT to gimple type.
        (struct matrix_info): Change MIN_INDIRECT_LEVEL_ESCAPE_STMT,
        and MALLOC_FOR_LEVEL to gimple and gimple pointer type.
        (struct free_info): Change STMT to gimple type.
        (struct matrix_access_phi_node):  Change PHI to gimple type.
        (get_inner_of_cast_expr): Remove.
        (may_flatten_matrices_1): Tuplify.
        (may_flatten_matrices): Ditto.
        (mark_min_matrix_escape_level): Ditto.
        (ssa_accessed_in_tree): Refactor statement RHS related code into ...
        (ssa_accessed_in_call_rhs): New
        (ssa_accessed_in_assign_rhs): New
        (record_access_alloc_site_info): Tuplify.
        (add_allocation_site): Ditto.
        (analyze_matrix_allocation_site): Ditto.
        (analyze_transpose): Ditto.
        (get_index_from_offset): Ditto.
        (update_type_size): Ditto.
        (analyze_accesses_for_call_expr): Tuplify and renamed into ...
        (analyze_accesses_for_call_stmt): New. Also handle LHS of a call.
        (analyze_accesses_for_phi_node): Tuplify.
        (analyze_accesses_for_modify_stmt): Tuplify and renamed into ...
        (analyze_accesses_for_assign_stmt): Remove code for handling call LHS.
        (analyze_matrix_accesses): Tuplify.
        (check_var_data): New call-back type for check_var_notmodified_p.
        (check_var_notmodified_p): Tuplify and use call-back struct to
        return statement found.
        (can_calculate_expr_before_stmt): Factor out statement related code
        into ...
        (can_calculate_stmt_before_stmt): New.
        (check_allocation_function): Tuplify.
        (find_sites_in_func): Ditto.
        (record_all_accesses_in_func): Ditto.
        (transform_access_sites): Ditto.
        (transform_allocation_sites): Ditto.
        (matrix_reorg): Re-enable.
        (gate_matrix_reorg): Re-enable.

2008-08-01  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (compute_barrier_args_size): Set barrier_args_size
        for labels for which it hasn't been set yet.  If it has been set,
        stop walking insns and continue with next worklist item.
        (dwarf2out_stack_adjust): Don't call compute_barrier_args_size
        if the only BARRIER is at the very end of a function.

2008-08-01  H.J. Lu  <hongjiu.lu@intel.com>

        * cfgexpand.c (expand_stack_alignment): Assert that
        stack_realign_drap and drap_rtx must match.

        * function.c (instantiate_new_reg): If DRAP is used to realign
        stack, replace virtual_incoming_args_rtx with internal arg
        pointer.

2008-08-01  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-pre.c (fini_pre): Take in_fre parameter.  Free
        loop information only if we initialized it.
        (execute_pre): Call fini_pre with in_fre.
        * tree-ssa-loop-ivcanon (try_unroll_loop_completely): Dump
        if we do not unroll because we hit max-completely-peeled-insns.
        Use our estimation for consistency, do allow shrinking.

2008-08-01  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (override_options): Replace ABI_STACK_BOUNDARY
        with MIN_STACK_BOUNDARY.
        (ix86_update_stack_boundary): Likewise.
        (ix86_expand_prologue): Assert MIN_STACK_BOUNDARY instead of
        STACK_BOUNDARY.

        * config/i386/i386.h (ABI_STACK_BOUNDARY): Renamed to ...
        (MIN_STACK_BOUNDARY): This.

2008-08-01  Richard Guenther  <rguenther@suse.de>

        PR middle-end/36997
        * gimplify.c (gimplify_call_expr): Set error_mark_node on GS_ERROR.

2008-08-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36988
        * tree-ssa-ccp.c (ccp_fold): Conversions of constants only
        do not matter if that doesn't change volatile qualification.

2008-08-01  Paolo Bonzini  <bonzini@gnu.org>

        * configure.ac: Do not generate libada-mk.  Do not subst
        host_cc_for_libada.
        * libada-mk.in: Remove.
        * Makefile.in: Pass TARGET_LIBGCC2_CFLAGS to libgcc.mvars.
        * configure: Regenerate.

2008-08-01  Basile Starynkevitch  <basile@starynkevitch.net>

        * tree-pass.h: Added comment about not dumping passes with name
        starting with star in struct opt_pass.
        * passes.c (register_dump_files_1): Don't do dump for a pass with
        name starting with star.
        * doc/passes.texi (Pass manager): Mention pass names and special
        meaning of star prefix to avoid dump.

2008-07-31  Adam Nemet  <anemet@caviumnetworks.com>

        * config.gcc (mipsisa64r2*-*-linux*): New configuration.  Set ISA
        to MIPS64r2.
        * config/mips/mips.h (GENERATE_MIPS16E): Update comment.
        (ISA_MIPS64R2): New macro.
        (TARGET_CPU_CPP_BUILTINS, MULTILIB_ISA_DEFAULT): Handle it.
        (ISA_HAS_64BIT_REGS, ISA_HAS_MUL3, ISA_HAS_FP_CONDMOVE,
        ISA_HAS_8CC, ISA_HAS_FP4, ISA_HAS_PAIRED_SINGLE,
        ISA_HAS_MADD_MSUB, ISA_HAS_NMADD4_NMSUB4, ISA_HAS_CLZ_CLO,
        ISA_HAS_ROR, ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX, ISA_HAS_SEB_SEH,
        ISA_HAS_EXT_INS, ISA_HAS_MXHC1, ISA_HAS_HILO_INTERLOCKS,
        ISA_HAS_SYNCI, MIN_FPRS_PER_FMT): Return true for ISA_MIPS64R2.
        (MIPS_ISA_LEVEL_SPEC, ASM_SPEC, LINK_SPEC): Handle -mips64r2.
        (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF):
        Move up to keep list alphabetically sorted.
        (TUNE_20KC, TUNE_24K, TUNE_74K, TUNE_LOONGSON_2EF): Likewise.
        * config/mips/mips.c (mips_cpu_info_table): Add default MIPS64r2
        processor.
        * doc/invoke.texi (MIPS Options): Add -mips64r2.
        (-march=@var{arch}): Add mips64r2.

2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/darwin.h (MAIN_STACK_BOUNDARY): Define to 128.

2008-07-31  Steve Ellcey  <sje@cup.hp.com>

        * expr.c (expand_assignment): Check for complete type.

2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>

        PR debug/36977
        * cfgexpand.c (expand_stack_alignment): Set stack_realign_tried.

        * dwarf2out.c (based_loc_descr): Check crtl->stack_realign_tried
        for stack alignment.

        * function.h (rtl_data): Add stack_realign_tried.  Update comments.

2008-07-31  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_canonical_va_list_type): Remove.
        (TARGET_CANONICAL_VA_LIST_TYPE): Remove.

2008-07-31  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/36419
        * dwarf2out.c (barrier_args_size): New variable.
        (compute_barrier_args_size, compute_barrier_args_size_1): New
        functions.
        (dwarf2out_stack_adjust): For BARRIERs call compute_barrier_args_size
        if not called yet in the current function, use barrier_args_size
        array to find the new args_size value.
        (dwarf2out_frame_debug): Free and clear barrier_args_size.

2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>

        PR debug/36980
        * dwarf2out.c (dwarf2out_frame_debug_expr): Move rule 17 before
        rule 19.

2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>

        PR debug/36976
        * dwarf2out.c (dwarf2out_args_size_adjust): New.
        (dwarf2out_stack_adjust): Use it.
        (dwarf2out_frame_debug_expr): Likewise.

2008-07-31  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36978
        * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Do not fold
        the generated condition.

2008-07-31  Richard Guenther  <rguenther@suse.de>

        * passes.c (init_optimization_passes): Always call
        pass_early_warn_uninitialized.
        * opts.c (decode_options): Do not warn about -Wuninitialized at -O0.
        * doc/invoke.texi (-Wuninitialized): Correct for enabling at -O0.
        * doc/passes.texi (Warn for uninitialized variables): Adjust.

2008-07-31  Jakub Jelinek  <jakub@redhat.com>

        PR c/36970
        * builtins.c (maybe_emit_free_warning): New function.
        (expand_builtin): Process BUILT_IN_FREE even at -O0.  Call
        maybe_emit_free_warning for BUILT_IN_FREE.

        PR debug/36278
        * dwarf2out.c (get_context_die): New function.
        (force_decl_die, force_type_die): Use it.
        (dwarf2out_imported_module_or_decl): Likewise.  If base_type_die
        returns NULL, force generation of DW_TAG_typedef and put that into
        DW_AT_import.

        PR preprocessor/36649
        * c-pch.c (c_common_read_pch): Save and restore
        line_table->trace_includes across PCH restore.

2008-07-30  Eric Botcazou  <ebotcazou@adacore.com>

        PR ada/36554
        * dwarf2out.c (is_subrange_type): Deal with BOOLEAN_TYPE.

2008-07-30  Rafael Avila de Espindola  <espindola@google.com>

        PR 36974
        * final.c (call_from_call_insn): Handle COND_EXEC.

2008-07-30  H.J. Lu  <hongjiu.lu@intel.com>

        * builtins.c (std_gimplify_va_arg_expr): Replace
        PREFERRED_STACK_BOUNDARY with MAX_SUPPORTED_STACK_ALIGNMENT.
        * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.

2008-07-30  Joey Ye  <joey.ye@intel.com>
            H.J. Lu  <hongjiu.lu@intel.com>

        * builtins.c (expand_builtin_setjmp_receiver): Replace
        virtual_incoming_args_rtx with crtl->args.internal_arg_pointer.
        (expand_builtin_apply_args_1): Likewise.
        (expand_builtin_longjmp): Need DRAP for stack alignment.
        (expand_builtin_apply): Likewise.

        * caller-save.c (setup_save_areas): Call assign_stack_local_1
        instead of assign_stack_local to allow alignment reduction.

        * calls.c (emit_call_1): Need DRAP for stack alignment if
        return pops.
        (expand_call): Replace virtual_incoming_args_rtx with
        crtl->args.internal_arg_pointer.
        * stmt.c (expand_nl_goto_receiver): Likewise.

        * cfgexpand.c (get_decl_align_unit): Estimate stack variable
        alignment and store to stack_alignment_estimated and
        max_used_stack_slot_alignment.
        (expand_one_var): Likewise.
        (expand_stack_alignment): New function.
        (tree_expand_cfg): Initialize max_used_stack_slot_alignment
        and stack_alignment_estimated fields in rtl_data.  Call
        expand_stack_alignment at end.

        * defaults.h (INCOMING_STACK_BOUNDARY): New.
        (MAX_STACK_ALIGNMENT): Likewise.
        (MAX_SUPPORTED_STACK_ALIGNMENT): Likewise.
        (SUPPORTS_STACK_ALIGNMENT): Likewise.

        * emit-rtl.c (gen_reg_rtx): Estimate stack alignment for
        stack alignment when generating virtual registers.

        * function.c (assign_stack_local): Renamed to ...
        (assign_stack_local_1): This.  Add a parameter to indicate
        if it is OK to reduce alignment.
        (assign_stack_local): Use it.
        (instantiate_new_reg): Instantiate virtual incoming args rtx
        to vDRAP if stack realignment and DRAP is needed.
        (assign_parms): Collect parameter/return type alignment and
        contribute to stack_alignment_estimated.
        (locate_and_pad_parm): Likewise.
        (get_arg_pointer_save_area): Replace virtual_incoming_args_rtx
        with crtl->args.internal_arg_pointer.

        * function.h (rtl_data): Add new field drap_reg,
        max_used_stack_slot_alignment, stack_alignment_estimated,
        stack_realign_needed, need_drap, stack_realign_processed and
        stack_realign_finalized.
        (stack_realign_fp): New macro.
        (stack_realign_drap): Likewise.

        * global.c (compute_regsets): Frame pointer is needed when
        stack is realigned.  Can eliminate frame pointer when stack is
        realigned and dynamic realigned argument pointer isn't used.

        * reload1.c (update_eliminables):  Frame pointer is needed
        when stack is realigned.
        (init_elim_table): Can eliminate frame pointer when stack is
        realigned and dynamic realigned argument pointer isn't used.

        * rtl.h (assign_stack_local_1): Declare new funtion.

        * target-def.h (TARGET_UPDATE_STACK_BOUNDARY): New.
        (TARGET_GET_DRAP_RTX): Likewise.
        (TARGET_CALLS): Add TARGET_UPDATE_STACK_BOUNDARY and
        TARGET_GET_DRAP_RTX.

        * target.h (gcc_target): Add update_stack_boundary and get_drap_rtx.

        * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
        STACK_BOUNDARY with MAX_STACK_ALIGNMENT.

2008-07-30  Xuepeng Guo  <xuepeng.guo@intel.com>
            H.J. Lu  <hongjiu.lu@intel.com>

        * dwarf2out.c (dw_fde_struct): Add stack_realignment, drap_reg,
        vdrap_reg, stack_realign and drap_reg_saved.
        (add_cfi): Don't allow redefining CFA when DRAP is used.
        (reg_save): Handle stack alignment.
        (dwarf2out_frame_debug_expr): Add rules 16-20 to handle stack
        alignment.  Don't generate DWARF information for (set fp sp)
        when DRAP is used.
        (dwarf2out_begin_prologue): Initialize drap_reg and vdrap_reg
        to INVALID_REGNUM.
        (int_loc_descriptor): Move prototype forward.  Also define if
        DWARF2_UNWIND_INFO is true.
        (output_cfa_loc): Handle DW_CFA_expression.
        (build_cfa_aligned_loc): New.
        (based_loc_descr): Update assert for stack realign.  For local
        variables, use sp+offset when stack is aligned without drap and
        fp+offset when stack is aligned with drap.  For arguments, use
        cfa+offset when drap is used to align stack.

2008-07-30  Joey Ye  <joey.ye@intel.com>
            H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_force_align_arg_pointer_string):
        Break long line.
        (ix86_gen_andsp): New.
        (ix86_user_incoming_stack_boundary): Likewise.
        (ix86_default_incoming_stack_boundary): Likewise.
        (ix86_incoming_stack_boundary): Likewise.
        (ix86_can_eliminate): Likewise.
        (find_drap_reg): Likewise.
        (ix86_update_stack_boundary): Likewise.
        (ix86_get_drap_rtx): Likewise.
        (ix86_finalize_stack_realign_flags): Likewise.
        (TARGET_UPDATE_STACK_BOUNDARY): Likewise.
        (TARGET_GET_DRAP_RTX): Likewise.
        (override_options): Overide option value for new options.
        (ix86_function_ok_for_sibcall): Remove check for
        force_align_arg_pointer.
        (ix86_handle_cconv_attribute): Likewise.
        (ix86_function_regparm): Likewise.
        (setup_incoming_varargs_64): Don't set stack_alignment_needed here.
        (ix86_va_start): Replace virtual_incoming_args_rtx with
        crtl->args.internal_arg_pointer.
        (ix86_select_alt_pic_regnum): Check DRAP register.
        (ix86_save_reg): Replace force_align_arg_pointer with drap_reg.
        (ix86_compute_frame_layout): Compute frame layout wrt stack
        realignment.
        (ix86_internal_arg_pointer): Just return virtual_incoming_args_rtx.
        (ix86_expand_prologue): Decide if stack realignment is needed
        and generate prologue code accordingly.
        (ix86_expand_epilogue): Generate epilogue code wrt stack
        realignment is really needed or not.
        
        * config/i386/i386.h (MAIN_STACK_BOUNDARY): New.
        (ABI_STACK_BOUNDARY): Likewise.
        (PREFERRED_STACK_BOUNDARY_DEFAULT): Likewise.
        (STACK_REALIGN_DEFAULT): Likewise.
        (INCOMING_STACK_BOUNDARY): Likewise.
        (MAX_STACK_ALIGNMENT): Likewise.
        (ix86_incoming_stack_boundary): Likewise.
        (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Removed.
        (REAL_PIC_OFFSET_TABLE_REGNUM): Updated to use BX_REG.
        (CAN_ELIMINATE): Defined with ix86_can_eliminate.
        (machine_function): Remove force_align_arg_pointer.

        * config/i386/i386.md (BX_REG): New.
        (R13_REG): Likewise.

        * config/i386/i386.opt (mforce_drap): New.
        (mincoming-stack-boundary): Likewise.
        (mstackrealign): Add Init(-1).

        * config/i386/i386-protos.h (ix86_can_eliminate): New

2008-07-30  H.J. Lu  <hongjiu.lu@intel.com>

        * doc/extend.texi: Update force_align_arg_pointer.

        * doc/invoke.texi: Document -mincoming-stack-boundary.  Update
        -mstackrealign.

        * doc/tm.texi (MAX_STACK_ALIGNMENT): Add macro.
        (INCOMING_STACK_BOUNDARY): Likewise.
        (TARGET_UPDATE_STACK_BOUNDARY): New target hook.
        (TARGET_GET_DRAP_RTX): Likewise.

2008-07-30  Andreas Schwab  <schwab@suse.de>

        PR rtl-optimization/36929
        * dse.c (replace_inc_dec): Use emit_insn_before instead of
        add_insn_before and fix argument order.
        (replace_inc_dec_mem): Handle NULL rtx.

2008-07-30  Andrew Jenner  <andrew@codesourcery.com>

        * config/arm/arm.c (arm_compute_static_chain_stack_bytes): New
        function.
        (arm_compute_initial_elimination_offset): Use it.
        (arm_compute_save_reg_mask): Include static chain save slot when
        calculating alignment.
        (arm_get_frame_offsets): Ditto.
        (thumb1_compute_save_reg_mask): Ensure we have a low register saved
        that we can use to decrement the stack when the stack decrement
        could be too big for an immediate value in a single insn.
        (thumb1_expand_prologue): Avoid using r12 for stack decrement.

2008-07-30  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36967
        * tree-predcom.c (remove_stmt): Use gimple_assign_ssa_name_copy_p.
        Release defs of statements we remove.

2008-07-30  Nathan Froyd  <froydnj@codesourcery.com>

        * config/arm/arm.c (arm_expand_prologue): Use 0-length rtvec
        instead of NULL_RTVEC.

2008-07-30  Nathan Froyd  <froydnj@codesourcery.com>

        PR target/35866

        * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Add clause for
        vector modes.

2008-07-30  Rafael Avila de Espindola  <espindola@google.com>

        * final.c (call_from_call_insn): New.
        (final_scan_insn): Call assemble_external on FUNCTION_DECLs.

2008-07-30  Paolo Bonzini  <bonzini@gnu.org>

        * configure.ac: Substitute ADA_CFLAGS.
        * configure: Regenerate.
        * config.host: Remove mention of pa/x-ada and pa/x-ada-hpux10 files.
        * Makefile.in: Remove mention of X_* variables.
        * config/pa/x-ada-hpux10: Remove.
        * config/pa/x-ada: Remove.

        * doc/fragments.texi: Update.

2008-07-30  Olivier Hainque  <hainque@adacore.com>

        * config/mips/irix-crti.asm: .hide __gcc_init and __gcc_fini.
        * config/mips/iris6.h (IRIX_SUBTARGET_LINK_SPEC, irix ld): Hide
        __dso_handle explicitly here.

2008-07-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 34389
        * c-typeck.c (build_binary_op): Encapsulate code into...
        * c-common.c (shorten_binary_op): ...this new function.
        (conversion_warning): Use the new function. Handle non-negative
        constant in bitwise-and.
        * c-common.h (shorten_binary_op): Declare.

2008-07-30  Olivier Hainque  <hainque@adacore.com>

        * scan.c (make_sstring_space): Add explicit conversions of
        allocator's return value.
        * fix-header.c (recognized_function): Likewise.

2008-07-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/cpp.texi: Update to GFDL 1.2.
        * doc/gcc.texi: Do not list GPL as Invariant Section.
        * doc/gccint.texi: Likewise.  Update copyright years.
        * doc/install.texi: Update copyright years.

2008-07-30  Alan Modra  <amodra@bigpond.net.au>

        PR target/36955
        * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add
        a use of pic_offset_table_rtx for -msecure-plt __tls_get_addr calls.

2008-07-29  Jan Hubicka  <jh@suse.cz>

        * c-decl.c (merge_decls): Do not handle DECL_INLINE.
        (grokdeclarator): Likewise.
        * langhooks.c (lhd_warn_unused_global_decl): Use
        DECL_DECLARED_INLINE_P.
        * print-tree.c (print_node): Remove DECL_INLINE check.

2008-07-29  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36945
        * tree-ssa-sccvn.h (copy_reference_ops_from_ref): Declare.
        * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Export.
        Record invariant addresses un-decomposed.
        (copy_reference_ops_from_call): Record reference call
        arguments properly.  Simplify.
        * tree-ssa-pre.c (create_component_ref_by_pieces_1): New
        helper split out from ...
        (create_component_ref_by_pieces): ... here.  Simplify.
        Prepare for recursive invocation for call arguments.
        (create_expression_by_pieces): Adjust call to
        create_component_ref_by_pieces.
        (compute_avail): Process operand 2 of reference ops.

2008-07-29  Richard Guenther  <rguenther@suse.de>

        * gimplify.c (gimplify_expr): Clear TREE_SIDE_EFFECTS for OBJ_TYPE_REF.

2008-07-29  Jakub Jelinek  <jakub@redhat.com>

        * c-format.c (check_format_types): Revert unwanted checkin.

2008-07-29  Jan Hubicka  <jh@suse.cz>

        * flags.h (flag_really_no_inline): Remove.
        * cgraph.c (cgraph_function_possibly_inlined_p): Simplify.
        * toplev.c (flag_really_no_inline): Remove.
        * c-cppbuiltin.c (c_cpp_builtins): Use flag_no_inline.
        * ipa-inline.c (cgraph_decide_inlining): Do not check flag_no_inline.
        (cgraph_decide_inlining_incrementally): Likewise.
        (compute_inline_parameters): Likewise.
        * opts.c (decode_options): Simplify.
        * c-opts.c (c_common_post_options): Do not set flag_no_inline.
        * common.opt (finline): Initialize to 1.
        * tree-inline.c (inlinable_function_p): Check flag_no_inline.

2008-07-29  Jan Hubicka  <jh@suse.cz>

        * predict.c (always_optimize_for_size_p): New function.
        (optimize_bb_for_size_p, optimize_bb_for_speed_p,
        optimize_edge_for_size_p, optimize_edge_for_speed_p,
        optimize_insn_for_size_p, optimize_insn_for_speed_p): New global
        functions.
        (rtl_profile_for_bb, rtl_profile_for_edge, rtl_default_profile): New.
        * function.c (prepare_function_start): Set default profile.
        * function.h (rtl_data): Add maybe_hot_insn_p.
        * cfgexpand.c (expand_gimple_basic_block): Set RTL profile.
        (construct_exit_block): Likewise.
        (tree_expand_cfg): Likewise.
        * basic-block.h
        (optimize_bb_for_size_p, optimize_bb_for_speed_p,
        optimize_edge_for_size_p, optimize_edge_for_speed_p,
        optimize_insn_for_size_p, optimize_insn_for_speed_p): Declare.
        (rtl_profile_for_bb, rtl_profile_for_edge, default_rtl_profile):
        Declare.

2008-07-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 34985
        * c-decl.c (merge_decls): Merge USED flags.

2008-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_gimplify_va_arg_expr): Unshare the addr,
        valist, next_fp, next_fp_tmp, next_fp_limit, next_o, next_o_limit,
        next_stack, lab_false and lab_over trees.

2008-07-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36957
        * tree-flow.h (tree_ssa_useless_type_conversion): Remove.
        (useless_type_conversion_p): Remove.
        (types_compatible_p): Remove.
        * gimple.h (tree_ssa_useless_type_conversion): Declare.
        (useless_type_conversion_p): Declare.
        (types_compatible_p): Declare.
        (gimple_expr_type): Return the base type only if it is
        trivially convertible to the subtype.

2008-07-28  Andreas Tobler  <a.tobler@schweiz.org>

        * configure.ac: Use the m4_do macro to concatenate the warnings into
        one string in ACX_PROG_CC_WARNING_OPTS,
        ACX_PROG_CC_WARNING_ALMOST_PEDANTIC and ACX_PROG_CC_WARNINGS_ARE_ERRORS.
        * configure: Regenerate.

2008-07-28  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-pre.c (insert_into_preds_of_block): Remove dead code.
        (insert_fake_stores): Remove.
        (realify_fake_stores): Likewise.
        (execute_pre): Remove dead code.
        * tree-ssa-structalias.c (get_constraint_for_1): Remove tcc_unary case.
        (find_func_aliases): Deal with it here instead.
        Re-enable gcc_unreachable call.

2008-07-28  Richard Guenther  <rguenther@suse.de>

        Merge from gimple-tuples-branch.

        * ChangeLog.tuples: ChangeLog from gimple-tuples-branch.
        * gimple.def: New file.
        * gsstruct.def: Likewise.
        * gimple-iterator.c: Likewise.
        * gimple-pretty-print.c: Likewise.
        * tree-gimple.c: Removed.  Merged into ...
        * gimple.c: ... here.  New file.
        * tree-gimple.h: Removed.  Merged into ...
        * gimple.h: ... here.  New file.

        * Makefile.in: Add dependencies on GIMPLE_H and tree-iterator.h.
        * configure.ac: Added support for ENABLE_GIMPLE_CHECKING and the
        --enable-checking=gimple flag.
        * config.in: Likewise.
        * configure: Regenerated.

        * tree-ssa-operands.h: Tuplified.
        * tree-vrp.c: Likewise.
        * tree-loop-linear.c: Likewise.
        * tree-into-ssa.c: Likewise.
        * tree-ssa-loop-im.c: Likewise.
        * tree-dump.c: Likewise.
        * tree-complex.c: Likewise.
        * cgraphbuild.c: Likewise.
        * tree-ssa-threadupdate.c: Likewise.
        * tree-ssa-loop-niter.c: Likewise.
        * tree-pretty-print.c: Likewise.
        * tracer.c: Likewise.
        * gengtype.c: Likewise.
        * tree-loop-distribution.c: Likewise.
        * tree-ssa-loop-unswitch.c: Likewise.
        * cgraph.c: Likewise.
        * cgraph.h: Likewise.
        * tree-ssa-loop-manip.c: Likewise.
        * value-prof.c: Likewise.
        * tree-ssa-loop-ch.c: Likewise.
        * tree-tailcall.c: Likewise.
        * value-prof.h: Likewise.
        * tree.c: Likewise.
        * tree.h: Likewise.
        * tree-pass.h: Likewise.
        * ipa-cp.c: Likewise.
        * tree-scalar-evolution.c: Likewise.
        * tree-scalar-evolution.h: Likewise.
        * target.h: Likewise.
        * lambda-mat.c: Likewise.
        * tree-phinodes.c: Likewise.
        * diagnostic.h: Likewise.
        * builtins.c: Likewise.
        * tree-ssa-alias-warnings.c: Likewise.
        * cfghooks.c: Likewise.
        * fold-const.c: Likewise.
        * cfghooks.h: Likewise.
        * omp-low.c: Likewise.
        * tree-ssa-dse.c: Likewise.
        * ipa-reference.c: Likewise.
        * tree-ssa-uncprop.c: Likewise.
        * toplev.c: Likewise.
        * tree-gimple.c: Likewise.
        * tree-gimple.h: Likewise.
        * tree-chrec.c: Likewise.
        * tree-chrec.h: Likewise.
        * tree-ssa-sccvn.c: Likewise.
        * tree-ssa-sccvn.h: Likewise.
        * cgraphunit.c: Likewise.
        * tree-ssa-copyrename.c: Likewise.
        * tree-ssa-ccp.c: Likewise.
        * tree-ssa-loop-ivopts.c: Likewise.
        * tree-nomudflap.c: Likewise.
        * tree-call-cdce.c: Likewise.
        * ipa-pure-const.c: Likewise.
        * c-format.c: Likewise.
        * tree-stdarg.c: Likewise.
        * tree-ssa-math-opts.c: Likewise.
        * tree-ssa-dom.c: Likewise.
        * tree-nrv.c: Likewise.
        * tree-ssa-propagate.c: Likewise.
        * ipa-utils.c: Likewise.
        * tree-ssa-propagate.h: Likewise.
        * tree-ssa-alias.c: Likewise.
        * gimple-low.c: Likewise.
        * tree-ssa-sink.c: Likewise.
        * ipa-inline.c: Likewise.
        * c-semantics.c: Likewise.
        * dwarf2out.c: Likewise.
        * expr.c: Likewise.
        * tree-ssa-loop-ivcanon.c: Likewise.
        * predict.c: Likewise.
        * tree-ssa-loop.c: Likewise.
        * tree-parloops.c: Likewise.
        * tree-ssa-address.c: Likewise.
        * tree-ssa-ifcombine.c: Likewise.
        * matrix-reorg.c: Likewise.
        * c-decl.c: Likewise.
        * tree-eh.c: Likewise.
        * c-pretty-print.c: Likewise.
        * lambda-trans.c: Likewise.
        * function.c: Likewise.
        * langhooks.c: Likewise.
        * ebitmap.h: Likewise.
        * tree-vectorizer.c: Likewise.
        * function.h: Likewise.
        * langhooks.h: Likewise.
        * tree-vectorizer.h: Likewise.
        * ipa-type-escape.c: Likewise.
        * ipa-type-escape.h: Likewise.
        * domwalk.c: Likewise.
        * tree-if-conv.c: Likewise.
        * profile.c: Likewise.
        * domwalk.h: Likewise.
        * tree-data-ref.c: Likewise.
        * tree-data-ref.h: Likewise.
        * tree-flow-inline.h: Likewise.
        * tree-affine.c: Likewise.
        * tree-vect-analyze.c: Likewise.
        * c-typeck.c: Likewise.
        * gimplify.c: Likewise.
        * coretypes.h: Likewise.
        * tree-ssa-phiopt.c: Likewise.
        * calls.c: Likewise.
        * tree-ssa-coalesce.c: Likewise.
        * tree.def: Likewise.
        * tree-dfa.c: Likewise.
        * except.c: Likewise.
        * except.h: Likewise.
        * cfgexpand.c: Likewise.
        * tree-cfgcleanup.c: Likewise.
        * tree-ssa-pre.c: Likewise.
        * tree-ssa-live.c: Likewise.
        * tree-sra.c: Likewise.
        * tree-ssa-live.h: Likewise.
        * tree-predcom.c: Likewise.
        * lambda.h: Likewise.
        * tree-mudflap.c: Likewise.
        * ipa-prop.c: Likewise.
        * print-tree.c: Likewise.
        * tree-ssa-copy.c: Likewise.
        * ipa-prop.h: Likewise.
        * tree-ssa-forwprop.c: Likewise.
        * ggc-page.c: Likewise.
        * c-omp.c: Likewise.
        * tree-ssa-dce.c: Likewise.
        * tree-vect-patterns.c: Likewise.
        * tree-ssa-ter.c: Likewise.
        * tree-nested.c: Likewise.
        * tree-ssa.c: Likewise.
        * lambda-code.c: Likewise.
        * tree-ssa-loop-prefetch.c: Likewise.
        * tree-inline.c: Likewise.
        * tree-inline.h: Likewise.
        * tree-iterator.c: Likewise.
        * tree-optimize.c: Likewise.
        * tree-ssa-phiprop.c: Likewise.
        * tree-vect-transform.c: Likewise.
        * tree-object-size.c: Likewise.
        * tree-outof-ssa.c: Likewise.
        * cfgloop.c: Likewise.
        * system.h: Likewise.
        * tree-profile.c: Likewise.
        * cfgloop.h: Likewise.
        * c-gimplify.c: Likewise.
        * c-common.c: Likewise.
        * tree-vect-generic.c: Likewise.
        * tree-flow.h: Likewise.
        * c-common.h: Likewise.
        * basic-block.h: Likewise.
        * tree-ssa-structalias.c: Likewise.
        * tree-switch-conversion.c: Likewise.
        * tree-ssa-structalias.h: Likewise.
        * tree-cfg.c: Likewise.
        * passes.c: Likewise.
        * ipa-struct-reorg.c: Likewise.
        * ipa-struct-reorg.h: Likewise.
        * tree-ssa-reassoc.c: Likewise.
        * cfgrtl.c: Likewise.
        * varpool.c: Likewise.
        * stmt.c: Likewise.
        * tree-ssanames.c: Likewise.
        * tree-ssa-threadedge.c: Likewise.
        * langhooks-def.h: Likewise.
        * tree-ssa-operands.c: Likewise.
        * config/alpha/alpha.c: Likewise.
        * config/frv/frv.c: Likewise.
        * config/s390/s390.c: Likewise.
        * config/m32c/m32c.c: Likewise.
        * config/m32c/m32c-protos.h: Likewise.
        * config/spu/spu.c: Likewise.
        * config/sparc/sparc.c: Likewise.
        * config/i386/i386.c: Likewise.
        * config/sh/sh.c: Likewise.
        * config/xtensa/xtensa.c: Likewise.
        * config/stormy16/stormy16.c: Likewise.
        * config/ia64/ia64.c: Likewise.
        * config/rs6000/rs6000.c: Likewise.
        * config/pa/pa.c: Likewise.
        * config/mips/mips.c: Likewise.

2008-07-28  Simon Baldwin  <simonb@google.com>

        * c-pragma.c (handle_pragma_message): New function.
        (init_pragma): Register handle_pragma_message.
        * doc/extend.texi (Diagnostic Pragmas): Added #pragma message
        documentation.

2008-07-27  Victor Kaplansky  <victork@il.ibm.com>

        PR tree-optimization/35252
        * tree-vect-analyze.c (vect_build_slp_tree): Make IMAGPART_EXPR and
        REALPART_EXPR to be considered as same load operation.

2008-07-27  Eric Botcazou  <ebotcazou@adacore.com>

        PR tree-optimization/36830
        * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Hash operand #2.
        (expressions_equal_p): Return false if only one operand is null.

2008-07-26  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (powerpc-*-netbsd*): Remove redundant texinfo
        version requirements.

2008-07-26  Olivier Hainque  <hainque@adacore.com>

        * collect2.c (symkind): New enum.  Symbol kinds we care about.
        (is_ctor_dtor): Return symkind instead of int.  Adjust prototype,
        code and head comment accordingly.
        (scan_prog_file): Use symkind names instead of bare integers.

2008-07-25  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_function_possibly_inlined_p): Do not rely on
        DECL_INLINE.
        * cgraphunit.c (record_cdtor_fn): Do not initialize DECL_INLINE
        (cgraph_preserve_function_body_p): Do not rely on DECL_INLINE.
        * dojump.c (clear_pending_stack_adjust): Likewise.
        * print-tree.c (print_node): Ignore DECL_INLINE.
        * tree-inline.c (inlinable_function_p): Likewise.

2008-07-25  Michael Meissner  <gnu@the-meissners.org>

        * doc/extend.texi (hot attribute): Document that the hot attribute
        turns on -O3 for some ports.
        (cold attribute): Document that the cold attribute turns on -Os
        for some ports

        * doc/tm.texi (OPTIMIZATION_OPTIONS): Update documentation to
        reflect function specific option support.

        * target.h (struct target_option_hooks): Add fields to say whether
        the cold attribute implies -Os and the hot attribute implies -O3.

        * target-def.h (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION):
        By default, do not turn on -Os for cold functions.
        (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): By default, do
        not turn on -O3 for hot functions.

        * c-common.c (handle_hot_attribute): Use target hook to determine
        if hot functions should enable -O3.
        (handle_cold_attribute): Use target hook to determine if cold
        functions should enable -Os.

        * config/i386/i386.c (ix86_target_string): Add -m3dnowa support.
        (override_options): Move disable scheduling to
        optimization_options.
        (optimization_options): Disable scheduling here, not
        override_options.
        (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Define.
        (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Define.

        * config/ia64/ia64.c (ia64_override_options): Move setting
        scheduling flags to ia64_optimization_options.
        (ia64_optimization_options): Disable scheduling options here, and
        not in ia64_override_options.
        (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Define.
        (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Define.

2008-07-25  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/36936
        * config/i386/i386.c (override_options): Don't clear TARGET_CMOVE.

2008-07-25  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/36926
        * ipa-prop.c (ipa_analyze_call_uses): Call
        ipa_is_ssa_with_stmt_def instead of SSA_NAME_IS_DEFAULT_DEF.

2008-07-25  Joseph Myers  <joseph@codesourcery.com>

        * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
        movv2si_internal): Add mem = reg alternative.

2008-07-25  Andreas Tobler  <a.tobler@schweiz.org>

        PR bootstrap/36918
        * config/sparc/sparc.h (DEFAULT_PCC_STRUCT_RETURN): Define
        DEFAULT_PCC_STRUCT_RETURN to 127.

2008-07-24  Jan Hubicka  <jh@suse.cz>

        * cgraphbuild.c (record_reference): Drop non-unit-at-a-time code.
        (build_cgraph_edges): Likewise.
        * cgraph.c (cgraph_node): Do not update assembler hash.
        (cgraph_remove_node): Drop non-unit-at-a-time code.
        * tree-pass.h (pass_O0_always_inline): Remove.
        * ipa-reference.c (gate_reference): Remove unit-at-a-time check.
        * toplev.c (process_options): Flag unit-at-a-time does not imply
        no section anchors.
        * cgraphunit.c: Update comments.
        (decide_is_function_needed): Drop non-unit-at-a-time mode.
        (cgraph_assemble_pending_functions): Remove.
        (cgraph_reset_node): Drop non-unit-at-a-time code.
        (cgraph_finalize_function): Likewise.
        (cgraph_analyze_function): Likewise.
        (cgraph_finalize_compilation_unit): Likewise.
        (cgraph_expand_function): Likewise.
        (cgraph_optimize): Likesise.
        (save_inline_function_body): Likewise.
        * ipa-pure-const.c (gate_pure_const): Drop flag_unit_at_a_time check.
        * tree-ssa-alias.c (maybe_be_aliased): Likewise.
        * ipa-inline.c: Update comments.
        (enum inlining_mode): remove INLINE_SPEED.
        (cgraph_clone_inlined_nodes): Drop unit-at-a-time check.
        (cgraph_mark_inline_edge): Likewise.
        (try_inline): Likewise.
        (cgraph_decide_inlining_incrementally): Likewise.
        (cgraph_gate_inlining): Remove.
        (cgraph_early_inlining): Remove flag_unit_at_a_time checks.
        (cgraph_gate_early_inlining): Likewise.
        (gate_inline_passes): Remove.
        (pass_inline_parameters, pass_ipa_inline): Remove gates.
        (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
        pass_O0_always_inline): Remove.
        * c-pch.c (c_pch_matching): Remove -funit-at-a-time.
        * dwarf2out.c (reference_to_unused): Remove flag_unit_at_a_time check.
        * opts.c (no_unit_at_a_time_default): Remove.
        (decode_options): Remove flag_unit_at_a_time reset and warning.
        * opts.h (no_unit_at_a_time_default): Remove.
        * c-decl.c (diagnose_mismatched_decls): Do not require inline keyword
        early in GNU dialect.
        (merge_decls): Update comment; drop unit-at-a-time check.
        (finish_decl): Likewise.
        (grok_declaration): Remove flag_inline_trees code.
        (finish_functions): Return on function returning non-void on all
        statics.
        * ipa-tye-escape.c (gate_type_escape_vars): Remove.
        * cfgexpand.c (expand_one_static_var): Remove.
        (expand_one_var): Remove expand_one_static_var call.
        (expand_used_vars_for_block): Remove flag_unit_a_time check.
        * c-opts.c (c_common_post_options): Remove flag_inline_trees code
        and flag_unit_at_a-time compatibility checks.
        * varasm.c (assemble_alias): Remove flag_unit_at_a_time check.
        * tree-inline.c (flag_inline_trees): Remove.
        (inlinable_function_p): Don't check it.
        (expand_call_inline): Remove non-unit-at-a-time code.
        * tree-inline.h (flag_inline_trees): Remove.
        * tree-optimize.c (execute_early_local_optimizations): Remove
        unit-at-a-time checks.
        (tree_rest_of_compilation): Likewise.
        * combine.c (setup_incoming_promotions): Likewise.
        * tree-profile.c (tree_gen_ic_func_profiler): Likewise.
        * tree-ssa-structalias.c (delete_points_to_sets): Likewise.
        * passes.c (pass_inline_parameters): Update comments; remove
        O0_alwaysinline pass.
        (execute_one_ipa_transform_pass): Do not reset in_gimple_form.
        (execute_one_pass): Likewise.
        * i386.c (ix86_function_regparm): Remove unit-at-a-time check.
        (ix86_function_sseregparm): Likewise.
        * arm.c (arm_function_in_section_p): Likewise.
        * bfin.c (bfin_load_pic_reg, bfin_function_ok_for_sibcall): Likewise.
        * varpool.c: Update comments.
        (decide_is_variable_needed): Remove unit-at-a-time checks.
        (varpool_finalize_decl): Likewise.

2008-07-24  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_omit_frame_pointer
        to 2 instead of -1.
        (OVERRIDE_OPTIONS): Check if flag_omit_frame_pointer is equal to 2.

2008-07-24  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/i386.c (get_dllimport_decl): Treat user_label_prefix for
        imp symbol extension.

        2008-07-23  Ian Lance Taylor  <iant@google.com>

        * tree-vrp.c (infer_value_range): Ignore asm statements when
        looking for memory accesses for -fdelete-null-pointer-checks.

2008-07-24  Ben Elliston  <bje@au.ibm.com>

        * config/spu/spu-c.c (__vector_keyword): New variable.
        (vector_keyword): Likewise.
        (spu_categorize_keyword): New function.
        (spu_macro_to_expand): Likewise.
        (spu_cpu_cpp_builtins): Enable context-sensitive macros if not
        compiling an ISO C dialect.

2008-07-24  Ben Elliston  <bje@au.ibm.com>

        * config/rs6000/rs6000-c.c: Move GTY(()) markers to match
        conventional usage.

2008-07-23  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>

        * configure: Regenerate.
        * configure.ac: Require texinfo 4.7.
        * doc/install.texi: Document texinfo 4.7 requirement.

2008-07-23  Martin Jambor  <mjambor@suse.cz>

        * ipa-cp.c (ipcp_print_edge_profiles): Test for node->analyzed
        rather than for DECL_SAVED_TREE.
        * ipa-prop.c: Include diagnostic.h.
        (ipa_check_stmt_modifications): Check LHS of GIMPLE_MODIFY_EXPRs
        thoroughly.
        (ipa_detect_param_modifications): Function rewritten from scratch.
        (ipa_compute_jump_functions): Changed accesses to modification flags.
        (ipa_free_node_params_substructures): Update flags destruction.
        (ipa_node_duplication_hook): Update flags duplication.
        (ipa_print_all_params_modified): Updated flag access.
        * ipa-prop.h (struct ipa_param_flags): New structure.
        (struct ipa_node_params): New field modification_analysis_done,
        modified_flags changed into param_flags.
        (ipa_is_ith_param_modified): Changed to use new flags.
        * Makefile.in (ipa-prop.o): Add $(DIAGNOSTIC_H) to dependencies.

        * ipa-prop.c (ipa_print_all_jump_functions): Moved here from
        ipa-cp.c and split into two functions.
        (ipa_print_node_jump_functions): New function.
        (compute_scalar_jump_functions): New function.
        (type_like_member_ptr_p): New function.
        (compute_pass_through_member_ptrs): New function.
        (fill_member_ptr_cst_jump_function): New function.
        (determine_cst_member_ptr): New function.
        (compute_cst_member_ptr_arguments): New function.
        (ipa_compute_jump_functions): Complete rewrite.
        * ipa-prop.h (enum jump_func_type): Make explicit that we depend
        on IPA_UNKNOWN being zero. Added value IPA_CONST_MEMBER_PTR.
        (struct ipa_member_ptr_cst): New structure.
        (union jump_func_value): New field member_cst.
        * ipa-cp.c (ipcp_lat_is_insertable): New function.
        (ipcp_lattice_from_jfunc): Produces bottom lattices for unhandled
        jump function types.
        (ipcp_print_all_lattices): Slight fprintf rearrangement.
        (ipcp_print_all_structures): Call ipa_print_all_jump_functions
        instead of ipcp_print_all_jump_functions.
        (ipcp_insert_stage): Use ipcp_lat_is_insertable, create replace maps
        only for replacable scalars.

        * doc/invoke.texi (Optimize options): Add description of
        -findirect-inlining.
        * common.opt (flag_indirect_inlining): New flag.
        * opts.c (decode_options): Set flag_indirect_inlining when
        optimize >= 3.

        * ipa-inline.c: Include ipa-prop.h.
        (inline_indirect_intraprocedural_analysis): New function.
        (inline_generate_summary): Allocate parameter and argument info
        structures, call inline_indirect_intraprocedural_analysis on each
        node when doing indirect inlining and deallocate indirect inlining
        data structures in the end.
        * ipa-prop.c (ipa_create_param_decls_array): Return if already done.
        (free_all_ipa_structures_after_iinln): New function.
        (free_all_ipa_structures_after_ipa_cp): Checks whether iinln will be
        done.
        * Makefile.in (ipa-inline.o): Added $(IPA_PROP_H) to dependencies.

        * cgraphbuild.c (compute_call_stmt_bb_frequency): New function.
        (build_cgraph_edges): Call compute_call_stmt_bb_frequency instead
        of computing the frequency separately.
        (rebuild_cgraph_edges): Call compute_call_stmt_bb_frequency instead
        of computing the frequency separately.
        * ipa-cp.c (ipcp_print_all_structures): Replace a call to
        ipa_print_all_param_modified with a call to ipa_print_all_param_flags.
        * ipa-prop.c (ipa_get_member_ptr_load_param): New function.
        (ipa_get_stmt_member_ptr_load_param): New function.
        (ipa_is_ssa_with_stmt_def): New function.
        (ipa_note_param_call): New function.
        (ipa_analyze_call_uses): New function.
        (ipa_analyze_stmt_uses): New function.
        (ipa_analyze_params_uses): New function.
        (ipa_free_node_params_substructures): Also free the param_calls linked
        list.
        (ipa_node_duplication_hook): Also duplicate the param_calls linked list.
        (ipa_print_node_param_flags): New function.
        (ipa_print_all_params_modified): Renamed to ipa_print_all_param_flags.
        (ipa_print_all_param_flags): Calls ipa_print_node_param_flags.
        * ipa-prop.h (struct ipa_param_flags): New field called.
        (struct ipa_param_call_note): New structure.
        (struct ipa_node_params): New fields param_calls and
        uses_analysis_done.
        (ipa_is_ith_param_called): New function.
        * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call
        ipa_analyze_params_uses and dump parameter flags.

        * ipa-inline.c (cgraph_decide_recursive_inlining): Call
        ipa_propagate_indirect_call_infos if performing indirect inlining,
        pass a new parameter new_edges to it.
        (add_new_edges_to_heap): New fucntion.
        (cgraph_decide_inlining_of_small_functions): New vector
        new_indirect_edges for newly found indirect edges , call
        ipa_propagate_indirect_call_infos after inlining.
        (cgraph_decide_inlining): Call ipa_propagate_indirect_call_infos after
        inlining if performing indirect inlining.  Call
        free_all_ipa_structures_after_iinln when doing so too.
        (inline_generate_summary): Do not call
        free_all_ipa_structures_after_iinln here.
        * ipa-prop.c (update_jump_functions_after_inlining): New function.
        (print_edge_addition_message): New function.
        (update_call_notes_after_inlining): New function.
        (propagate_info_to_inlined_callees): New function.
        (ipa_propagate_indirect_call_infos): New function.
        * ipa-prop.h: Include cgraph.h
        (struct ipa_param_call_note): Fields reordered, new field processed.
        * cgraph.h (cgraph_edge): Shrink loop_nest field to 31 bits, add a new
        flag indirect_call.
        * cgraphunit.c (verify_cgraph_node): Allow indirect edges not to have
        rediscovered call statements.
        * cgraph.c (cgraph_create_edge): Initialize indirect_call to zero.
        (dump_cgraph_node): Dump also the indirect_call flag.
        (cgraph_clone_edge): Copy also the indirect_call flag.
        * tree-inline.c (copy_bb): Do not check for fndecls from call
        expressions, check for edge availability when moving clones.
        (get_indirect_callee_fndecl): New function.
        (expand_call_inline): If callee declaration is not apprent from
        the statement, try calling get_indirect_callee_fndecl.  Do not
        issue warnings or call sorry when not inlinings an indirect edge.
        * Makefile.in (IPA_PROP_H): Added $(CGRAPH_H) to dependencies.

        * ipa-prop.c (ipa_print_node_param_flags): Make the dump format a
        bit more frandly to matching.
        * testsuite/g++.dg/ipa/iinline-1.C: New testcase.
        * testsuite/gcc.dg/ipa/iinline-1.c: New testcase.
        * testsuite/gcc.dg/ipa/modif-1.c: New testcase.

2008-07-23  Michael Meissner  <gnu@the-meissners.org>

        PR 36907
        * opth-gen.awk: Suppress function specific features when building
        target libraries.
        * optc-gen.awk: Ditto.

2008-07-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 35058
        * diagnostic.c (pedwarn): Add opt parameter.
        (pedwarn0): New.
        * c-tree.h (pedwarn_init): Add opt parameter.
        (pedwarn_c90): Likewise.
        (pedwarn_c99): Likewise.
        * c-errors.c (pedwarn_c99): Likewise.
        (pedwarn_c90): Likewise.
        * toplev.h (pedwarn): Update declaration.
        (pedwarn0): Declare.
        * c-lex.c: All calls to pedwarn changed.
        * builtins.c: All calls to pedwarn changed.
        * toplev.c: All calls to pedwarn changed.
        * c-decl.c: All calls to pedwarn changed.
        * c-typeck.c: All calls to pedwarn changed.
        * c-common.c: All calls to pedwarn changed.
        * c-parser.c: All calls to pedwarn changed.

2008-07-23  Michael Meissner  <gnu@the-meissners.org>
            Karthik Kumar  <karthikkumar@gmail.com>

        * attribs.c (file scope): Include c-common.h.
        (decl_attributes): Add support for #pragma GCC optimize and
        #pragma GCC option.

        * targhooks.c (default_can_inline_p): New function that is the
        default for the TARGET_CAN_INLINE_P target hook.

        * targhooks.h (default_can_inline_p): Add declaration.

        * tree.c (cl_optimization_node): New static tree for building
        OPTIMIZATION_NODE tree.
        (cl_target_option_node): New static tree for building
        TARGET_OPTION_NODE tree.
        (cl_option_hash_table): New hash table for hashing
        OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
        (cl_option_hash_hash): New function to provide the hash value for
        OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
        (cl_option_hash_eq): New function to provide an equality test for
        OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
        (tree_code_size): Add support for OPTIMIZATION_NODE and
        TARGET_OPTION_NODE trees.
        (tree_code_structure): Add support for OPTIMIZATION_NODE and
        TARGET_OPTION_NODE trees.
        (build_optimization_node): Build a tree that has all of the
        current optimization options.
        (build_target_option_node): Build a tree that has the target
        options that might be changed on a per function basis.

        * tree.h (file scope): Include options.h.
        (DECL_FUNCTION_SPECIFIC_TARGET): New accessor macro.
        (DECL_FUNCTION_SPECIFIC_OPTIMIZATION): Ditto.
        (TREE_OPTIMIZATION): Ditto.
        (TREE_TARGET_SPECIFIC): Ditto.
        (struct tree_function_decl): Add fields for remembering the
        current optimization options and target specific options.
        (struct tree_optimization_option): New tree variant that remembers
        the optimization options.
        (struct tree_target_option): New tree variant that remembers the
        target specific flags that might change for compiling a particular
        function.
        (union tree_node): Include tree_optimization_option and
        tree_target_option fields.
        (enum tree_index): Add TI_OPTIMIZATION_DEFAULT,
        TI_OPTIMIZATION_CURRENT, TI_OPTIMIZATION_COLD,
        TI_OPTIMIZATION_HOT, TI_TARGET_OPTION_DEFAULT,
        TI_TARGET_OPTION_CURRENT, TI_CURRENT_OPTION_PRAGMA,
        TI_CURRENT_OPTIMIZE_PRAGMA entries for saving function specific
        optimization and target options.
        (optimization_default_node): New macro to refer to global_trees
        field.
        (optimization_current_node): Ditto.
        (optimization_cold_node): Ditto.
        (optimization_hot_node): Ditto.
        (target_option_default_node): Ditto.
        (target_option_current_node): Ditto.
        (current_option_pragma): Ditto.
        (current_optimize_pragma): Ditto.

        * target.h (struct gcc_target): Add valid_option_attribute_p,
        target_option_save, target_option_restore, target_option_print,
        target_option_pragma_parse, and can_inline_p hooks.

        * toplev.h (parse_optimize_options): Add declaration.
        (fast_math_flags_struct_set_p): Ditto.

        * c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): New function to
        adjust the current __OPTIMIZE__, etc. macros when #pragma GCC
        optimize is used.

        * ipa-inline.c (cgraph_decide_inlining_of_small_function): Call
        tree_can_inline_p hook to see if one function can inline another.
        (cgraph_decide_inlining): Ditto.
        (cgraph_decide_inlining_incrementally): Ditto.

        * opts.c (decode_options): Add support for running multiple times
        to allow functions with different target or optimization options
        than was specified on the command line.
        (fast_math_flags_struct_set_p): New function that is similar to
        fast_math_flags_set_p, except it uses the values in the
        cl_optimization structure instead of global variables.

        * optc-gen.awk: Add support for TargetSave to allow a back end to
        declare new fields that need to be saved when using function
        specific options.  Include flags.h and target.h in the options.c
        source.  Add support for Save to indicate which options can be set
        for individual functions.  Generate cl_optimize_save,
        cl_optimize_restore, cl_optimize_print, cl_target_option_save,
        cl_target_option_restore, cl_target_option_print functions to
        allow functions to use different optimization or target options.

        * opt-functions.awk (var_type_struct): Return the type used for
        storing the field in a structure.

        * opth-gen.awk: Add support for TargetSave to allow a back end to
        declare new fields that need to be saved when using function
        specific options.  Add support for Save to indicate which options
        can be set for individual functions.  Only generate one extern for
        Mask fields.  Generate cl_optimization and cl_target_option
        structures to remember optimization and target options.

        * treestruct.def (TS_OPTIMIZATION): Add support for garbage
        collecting new tree nodes.
        (TS_TARGET_OPTION): Ditto.

        * c-decl.c (merge_decls): Merge function specific target and
        optimization options.

        * function.c (invoke_set_current_function_hook): If the function
        uses different optimization options, change the global variables
        to reflect this.

        * coretypes.h (struct cl_optimization): Add forward reference.
        (struct cl_target_option): Ditto.

        * c-pragma.c (option_stack): New static vector to remember the
        current #pragma GCC option stack.
        (handle_pragma_option): New function to support #pragma GCC option
        to change target options.
        (optimize_stack): New static vector to remember the current
        #pragma GCC optimize stack.
        (handle_pragma_optimize): New function to support #pragma GCC
        optimize to change optimization options.
        (init_pragma): Add support for #pragma GCC optimize and #pragma
        GCC option.

        * tree.def (OPTIMIZATION_NODE): New tree code for remembering
        optimization options.
        (TARGET_OPTION_NODE): New tree code for remembering certain target
        options.

        * print-tree.c (print_node): Add support for OPTIMIZATION_NODE and
        TARGET_OPTION_NODE trees.

        * common.opt (-O): Add Optimization flag.
        (-Os): Ditto.
        (-fmath-errno): Ditto.
        (-falign-functions): Add UInteger flag to make sure flag gets full
        int in cl_optimization structure.
        (-falign-jumps): Ditto.
        (-falign-labels): Ditto.
        (-falign-loops): Ditto.
        (-fsched-stalled-insns): Ditto.
        (-fsched-stalled-insns-dep): Ditto.

        * target-def.h (TARGET_VALID_OPTION_ATTRIBUTE_P): Add default
        definition.
        (TARGET_OPTION_SAVE): Ditto.
        (TARGET_OPTION_RESTORE): Ditto.
        (TARGET_OPTION_PRINT): Ditto.
        (TARGET_OPTION_PRAGMA_PARSE): Ditto.
        (TARGET_CAN_INLINE_P): Ditto.
        (TARGET_INITIALIZER): Add new hooks.

        * tree-inline.c (tree_can_inline_p): New function to determine
        whether one function can inline another.  Check if the functions
        use compatible optimization options, and also call the backend
        can_inline_p hook.

        * tree-inline.h (tree_can_inline_p): Add declaration.

        * c-common.c (c_common_attribute): Add support for option and
        optimize attributes.
        (handle_option_attribute): Add support for the option attribute to
        allow the user to specify different target options for compiling a
        specific function.
        (handle_optimize_attribute): Add support for the optimize
        attribute to allow the user to specify different optimization
        options for compiling a specific function.
        (handle_hot_attribute): Turn on -O3 optimization for this one
        function if it isn't the default optimization level.
        (handle_cold_attribute): Turn on -Os optimization for this one
        function if it insn't the default optimization.
        (const_char_p): New const char * typedef.
        (optimize_args): New static vector to remember the optimization
        arguments.
        (parse_optimize_options): New function to set up the optimization
        arguments from either the optimize attribute or #pragma GCC optimize.

        * c-common.h (c_cpp_builtins_optimize_pragma): Add declaration.
        (builtin_define_std): Ditto.

        * config.gcc (i[3467]86-*-*): Add i386-c.o to C/C++ languages.
        Add t-i386 Makefile fragment to add i386-c.o and i386.o dependencies.
        (x86_64-*-*): Ditto.

        * Makefile.in (TREE_H): Add options.h.
        (options.o): Add $(TARGET_H) $(FLAGS_H) dependencies.

        * doc/extend.texi (option attribute): Document new attribute.
        (optimize attribute): Ditto.
        (hot attribute): Document hot attribute sets -O3.
        (cold attribute): Document cold attribute sets -Os.
        (#pragma GCC option): Document new pragma.
        (#pragma GCC optimize): Ditto.

        * doc/options.texi (TargetSave): Document TargetSave syntax.
        (UInteger): Document UInteger must be used for certain flags.
        (Save): Document Save option to create target specific options
        that can be saved/restored on a function specific context.

        * doc/c-tree.texi (DECL_FUNCTION_SPECIFIC_TARGET): Document new macro.
        (DECL_FUNCTION_SPECIFIC_OPTIMIZATION): Ditto.

        * doc/tm.texi (TARGET_VALID_OPTION_ATTRIBUTE_P): Document new hook.
        (TARGET_OPTION_SAVE): Ditto.
        (TARGET_OPTION_RESTORE): Ditto.
        (TARGET_OPTION_PRINT): Ditto.
        (TARGET_OPTION_PRAGMA_PARSE): Ditto.
        (TARGET_CAN_INLINE_P): Ditto.

        * doc/invoke.texi (-mfpmath=sse+387): Document as an alias for
        -mfpmath=sse,387.
        (-mfpmath=both): Ditto.

2008-07-23  Michael Meissner  <gnu@the-meissners.org>
            Karthik Kumar  <karthikkumar@gmail.com>

        * config/i386/i386.h (TARGET_ABM): Move switch into ix86_isa_flags.
        (TARGET_POPCNT): Ditto.
        (TARGET_SAHF): Ditto.
        (TARGET_AES): Ditto.
        (TARGET_PCLMUL): Ditto.
        (TARGET_CMPXCHG16B): Ditto.
        (TARGET_RECIP): Move switch into target_flags.
        (TARGET_FUSED_MADD): Ditto.
        (ix86_arch_features): Make an unsigned char type.
        (ix86_tune_features): Ditto.
        (OVERRIDE_OPTIONS): Add bool argument to override_options call.
        (TARGET_CPU_CPP_BUILTINS): Move into ix86_target_macros.
        (REGISTER_TARGET_PRAGMAS): Define, call ix86_register_pragmas.

        * config/i386/i386.opt (arch): New TargetSave field to define
        fields that need to be saved for function specific option support.
        (tune): Ditto.
        (fpmath): Ditto.
        (branch_cost): Ditto.
        (ix86_isa_flags_explicit): Ditto.
        (tune_defaulted): Ditto.
        (arch_specified): Ditto.
        (-m128-long-double): Add Save flag to save option for target
        specific option support.
        (-m80387): Ditto.
        (-maccumulate-outgoing-args): Ditto.
        (-malign-double): Ditto.
        (-malign-stringops): Ditto.
        (-mfancy-math-387): Ditto.
        (-mhard-float): Ditto.
        (-mieee-fp): Ditto.
        (-minline-all-stringops): Ditto.
        (-minline-stringops-dynamically): Ditto.
        (-mms-bitfields): Ditto.
        (-mno-align-stringops): Ditto.
        (-mno-fancy-math-387): Ditto.
        (-mno-push-args): Ditto.
        (-mno-red-zone): Ditto.
        (-mpush-args): Ditto.
        (-mred-zone): Ditto.
        (-mrtd): Ditto.
        (-msseregparm): Ditto.
        (-mstack-arg-probe): Ditto.
        (-m32): Ditto.
        (-m64): Ditto.
        (-mmmx): Ditto.
        (-m3dnow): Ditto.
        (-m3dnowa): Ditto.
        (-msse): Ditto.
        (-msse2): Ditto.
        (-msse3): Ditto.
        (-msse4.1): Ditto.
        (-msse4.2): Ditto.
        (-msse4): Ditto.
        (-mno-sse4): Ditto.
        (-msse4a): Ditto.
        (-msse5): Ditto.
        (-mrecip): Move flag into target_flags.
        (-mcld): Ditto.
        (-mno-fused-madd): Ditto.
        (-mfused-madd): Ditto.
        (-mabm): Move flag into ix86_isa_flags.
        (-mcx16): Ditto.
        (-mpopcnt): Ditto.
        (-msahf): Ditto.
        (-maes): Ditto.
        (-mpclmul): Ditto.

        * config/i386/i386-c.c: New file for #pragma support.
        (ix86_target_macros_internal): New function to #define or #undef
        target macros based when the user uses the #pragma GCC option to
        change target options.
        (ix86_pragma_option_parse): New function to add #pragma GCC option
        support.
        (ix86_target_macros): Move defining the target macros here from
        TARGET_CPU_CPP_BUILTINS in i386.h.
        (ix86_register_pragmas): Register the #pragma GCC option hook.  If
        defined, initialize any subtarget #pragmas.

        * config/i386/darwin.h (REGISTER_SUBTARGET_PRAGMAS): Rename from
        REGISTER_TARGET_PRAGMAS.

        * config/i386/t-i386: New file for x86 dependencies.
        (i386.o): Make dependencies mirror the include files used.
        (i386-c.o): New file, add dependencies.

        * config/i386/i386-protos.h (override_options): Add bool argument.
        (ix86_valid_option_attribute_tree): Add declaration.
        (ix86_target_macros): Ditto.
        (ix86_register_macros): Ditto.

        * config/i386/i386.c (ix86_tune_features): Move initialization of
        the target masks to initial_ix86_tune_features to allow functions
        to have different target options.  Make type unsigned char,
        instead of unsigned int.
        (initial_ix86_tune_features): New static vector to hold processor
        masks for the tune variables.
        (ix86_arch_features): Move initialization of the target masks to
        initial_ix86_arch_features to allow functions to have different
        target options.  Make type unsigned char, instead of unsigned int.
        (initial_ix86_arch_features): New static vector to hold processor
        masks for the arch variables.
        (enum ix86_function_specific_strings): New enum to describe the
        string options used for attribute((option(...))).
        (ix86_target_string): New function to return a string that
        describes the target options.
        (ix86_debug_options): New function to print the current options in
        the debugger.
        (ix86_function_specific_save): New function hook to save the
        function specific global variables in the cl_target_option structure.
        (ix86_function_specific_restore): New function hook to restore the
        function specific variables from the cl_target_option structure to
        the global variables.
        (ix86_function_specific_print): New function hook to print the
        target specific options in the cl_target_option structure.
        (ix86_valid_option_attribute_p): New function hook to validate
        attribute((option(...))) arguments.
        (ix86_valid_option_attribute_tree): New function that is common
        code between attribute((option(...))) and #pragma GCC option
        support that parses the options and returns a tree holding the options.
        (ix86_valid_option_attribute_inner_p): New helper function for
        ix86_valid_option_attribute_tree.
        (ix86_can_inline_p): New function hook to decide if one function
        can inline another on a target specific basis.
        (ix86_set_current_function); New function hook to switch target
        options if the user used attribute((option(...))) or #pragma GCC
        option.
        (ix86_tune_defaulted): Move to static file scope from
        override_options.
        (ix86_arch_specified): Ditto.
        (OPTION_MASK_ISA_AES_SET): New macro for moving switches into
        ix86_isa_flags.
        (OPTION_MASK_ISA_PCLMUL_SET): Ditto.
        (OPTION_MASK_ISA_ABM_SET): Ditto.
        (OPTION_MASK_ISA_POPCNT_SET): Ditto.
        (OPTION_MASK_ISA_CX16_SET): Ditto.
        (OPTION_MASK_ISA_SAHF_SET): Ditto.
        (OPTION_MASK_ISA_AES_UNSET): Ditto.
        (OPTION_MASK_ISA_PCLMUL_UNSET): Ditto.
        (OPTION_MASK_ISA_ABM_UNSET): Ditto.
        (OPTION_MASK_ISA_POPCNT_UNSET): Ditto.
        (OPTION_MASK_ISA_CX16_UNSET): Ditto.
        (OPTION_MASK_ISA_SAHF_UNSET): Ditto.
        (struct ptt): Move to static file scope from override_options.
        (processor_target_table): Ditto.
        (cpu_names): Ditto.
        (ix86_handle_option): Add support for options that are now isa options.
        (override_options): Add support for declaring functions that
        support different target options than were specified on the
        command line.  Move struct ptt, processor_target_table, cpu_names,
        ix86_tune_defaulted, ix86_arch_specified to static file scope.
        Add bool argument.  Fix up error messages so the appropriate error
        is given for either command line or attribute.
        (ix86_previous_fndecl): New static to remember previous function
        declaration to see if we need to change target options.
        (ix86_builtins_isa): New array to record the ISA of each builtin
        function.
        (def_builtin): Always create the builtin function, even if the
        current ISA doesn't support it.
        (ix86_init_mmx_sse_builtins): Remove TARGET_AES and TARGET_PCLMUL
        tests for those builtins.
        (ix86_init_builtins): Remove TARGET_MMX test for calling
        ix86_init_mmx_sse_builtins.
        (ix86_expand_builtin): If the current ISA doesn't support a given
        builtin, signal an error.
        (TARGET_VALID_OPTION_ATTRIBUTE_P): Set target hook.
        (TARGET_SET_CURRENT_FUNCTION): Ditto.
        (TARGET_OPTION_SAVE): Ditto.
        (TARGET_OPTION_RESTORE): Ditto.
        (TARGET_OPTION_PRINT): Ditto.
        (TARGET_CAN_INLINE_P): Ditto.

2008-07-22  Rafael Avila de Espindola  <espindola@google.com>

        * c-typeck.c (build_external_ref): Don't call assemble_external.
        * final.c (output_operand): Call assemble_external.

2008-07-21  DJ Delorie  <dj@redhat.com>

        * config/h8300/h8300.c (h8300_hard_regno_scratch_ok): New.
        (TARGET_HARD_REGNO_SCRATCH_OK): Define.

2008-07-21  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.md ("div<mode>3"): Convert into expander, move
        original insn and splitter contents into ...
        ("*div<mode>3_fast"): ... this new pattern.  Enable only if
        flag_unsafe_math_optimizations.  Add dummy scratch register.
        ("*div<mode>3_adjusted"): New insn and splitter.  Enable only if
        !flag_unsafe_math_optimizations.  Returns number with next
        highest magnitude if this is still less or equal to the true
        quotient in magnitude.

2008-07-21  Rafael Avila de Espindola  <espindola@google.com>

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * dwarf2out.c (add_subscript_info): New explicit COLLAPSE_P
        argument, saying whether nested array are to be collapsed
        into a single array type DIE with multiple subscripts.
        (gen_array_type_die): Factorize comments about the MIPS_DEBUG_INFO
        issues, centralize the nested array types collapsing control and
        disable the transformation for Ada.

2008-07-18  Uros Bizjak  <ubizjak@gmail.com>

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * recog.c (peephole2_optimize): Fix formatting.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

2008-07-15  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/libgcc-xtensa.ver: New file.
        * config/xtensa/t-linux (SHLIB_MAPFILES): Append libgcc-xtensa.ver.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

2008-07-05  Daniel Berlin  <dberlin@dberlin.org>

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

2008-07-08  Martin Jambor  <mjambor@suse.cz>

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

        * ipa-prop.c: Include flags.h and tree-inline.h.
        (ipa_node_params_vector): New variable.
        (ipa_edge_args_vector): New variable.
        (edge_removal_hook_holder): New variable.
        (node_removal_hook_holder): New variable.
        (edge_duplication_hook_holder): New variable.
        (node_duplication_hook_holder): New variable.
        (ipa_detect_param_modifications): Check for presence of modified flags.
        (ipa_compute_jump_functions): Check for presence of jump functions.
        (ipa_free_edge_args_substructures): New function.
        (ipa_create_node_params): Removed.
        (ipa_free_all_edge_args): Changed to deallocate the on-the-side vector.
        (ipa_free_node_params_substructures): New function.
        (ipa_free_all_node_params): Changed to deallocate the on-the-side
        vector.
        (ipa_edge_removal_hook): New function.
        (ipa_node_removal_hook): New function.
        (duplicate_array): New function.
        (ipa_edge_duplication_hook): New function.
        (ipa_node_duplication_hook): New function.
        (ipa_register_cgraph_hooks): New function.
        (ipa_unregister_cgraph_hooks): New function.
        (free_all_ipa_structures_after_ipa_cp): New function.

        * ipa-prop.h: Include vec.h.
        (ipa_node_params_t): New typedef with vector types for it.
        (ipa_edge_args_t):  New typedef with vector types for it.
        (IPA_NODE_REF): Changed to access an on-the-side vector.
        (IPA_EDGE_REF): Changed to access an on-the-side vector.
        (ipa_check_create_node_params): New function.
        (ipa_check_create_edge_args): New function.

        * Makefile.in (IPA_PROP_H): New variable for ipa-prop.h.  Converted
        all users.

2008-07-07  Tom Tromey  <tromey@redhat.com>

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

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

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

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

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

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

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

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

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

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

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

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

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

        * config.in: Regenerate.

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

        * gcc.c (print_sysroot): New.
        (option_map, display_help, process_command): Handle the
        -print-sysroot option.
        (main): Print the sysroot if requested.
        * doc/invoke.texi (Debugging Options): Document -print-sysroot.

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

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

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

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

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

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

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

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

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

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

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

        * config/m68k/m68k.c (m68k_return_in_memory): Fix arguments types.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

2008-07-15  Vladimir Makarov  <vmakarov@redhat.com>

        * caller-save.c (calculate_local_save_info): Clear save_in,
        restore_out, free_in.

2008-07-14  Vladimir Makarov  <vmakarov@redhat.com>

        * reload.h (struct insn): Add comment for live_throughout.

        * global.c (pseudo_for_reload_consideration_p): New function.
        (build_insn_chain): Use it.

2008-07-14  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-conflicts.c (propagate_modified_regnos): Move to
        ira-build.c.
        (ira_build_conflicts): Don't call propagate_modified_regnos.

        * ira-int.h (ira_allocno): Remove calls_crossed_start.
        (ALLOCNO_CALLS_CROSSED_START, ira_regno_calls,
        ira_add_regno_call): Remove.
        (ira_allocate_and_accumulate_costs): New function.

        * ira-lives.c (process_bb_node_lives): Don't call
        ira_add_regno_call.  Do't use ALLOCNO_CALLS_CROSSED_START.

        * ira-build.c (more_one_region_p): New function.
        (ira_regno_calls, regno_calls_num, initiate_calls, expand_calls,
        compress_calls, ira_add_regno_call, finish_calls): Remove.
        (ira_create_allocno, propagate_info_to_cap): Don't set up
        ALLOCNO_CALLS_CROSSED_START.
        (propagate_modified_regnos): Move from ira-conflicts.c.
        (create_allocnos): Call propagate_modified_regnos.
        (merge_ranges, change_allocno_in_range_list): Move before
        low_pressure_loop_node_p.
        (low_pressure_loop_node_p, loop_node_to_be_removed_p,
        removed_loop_vec, children_vec,
        remove_uneccesary_loop_nodes_from_loop_tree,
        remove_unnecessary_allocnos, remove_unnecessary_regions): New.
        (ira_flattening): Don't process allocno calls.
        (ira_build): Don't call initiate_calls and finish_calls.  Call
        remove_unnecessary_regions.  Use more_one_region_p.

        * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Split
        SPEC_OR_GEN_REGS onto GENERAL_REGS and SPECIAL_REGS.
        
2008-07-08  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-build.c (ira_flattening): Rename
        new_allocnos_p to new_pseudos_p.  Remove renamed_p.  Use
        new_pseudos_p instead of renamed_p.

        * ira-lives.c (max_point): Fix a typo in the comment.

        * ira-int.h (max_point): Ditto.

2008-07-07  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-color.c, ira-conflics.c, ira-lives.c, ira-emit.c,
        ira-build.c (IRA_ALLOCNO_TOTAL_CONFLICT_HARD_REGS,
        IRA_ALLOCNO_TOTAL_NO_STACK_REG_P): Rename to
        IRA_ALLOCNO_TOTAL_CONFLICT_HARD_REGS,
        IRA_ALLOCNO_TOTAL_NO_STACK_REG_P.

        * ira-int.h: Ditto.  Fix comment for max_point.

        * reload1.c (reload): Add comment for ira_sort_insn_chain.
        
2008-07-07  Vladimir Makarov  <vmakarov@redhat.com>
        PR target/36663

        * caller-saves.c (free_con_fun_n): Use liveness info.

2008-07-07  Vladimir Makarov  <vmakarov@redhat.com>
        PR target/36673

        * caller-saves.c (restore_con_fun_n, save_con_fun_n): Clear the
        result if mode or pseudo is different.

2008-07-07  Vladimir Makarov  <vmakarov@redhat.com>
        PR target/36672
        
        * ira.c (chain_insn_order): New variable.
        (chain_freq_compare, chain_bb_compare): Use it.
        (ira_sort_insn_chain): Set it up.

2008-07-03  Vladimir Makarov  <vmakarov@redhat.com>

        * doc/invoke.texi (-fira-ipra): Remove.
        
        * regrename.c (copyprop_hardreg_forward_1): Remove
        get_call_invalidated_used_regs.

        * postreload-gcse.c (record_opr_changes): Ditto.

        * postreload.c (reload_combine, reload_cse_move2add): Ditto.

        * rtlanal.c (reg_set_between_p): Ditto.

        * gcse.c (compute_hash_table_work, compute_store_table): Ditto.

        * cselib.c (cselib_process_insn): Ditto.

        * loop-iv.c (simplify_using_assignment): Ditto.
        
        * sched-deps.c (sched_analyze): Ditto.
        
        * combine.c (record_dead_and_set_regs): Ditto.

        * resource.c (mark_set_resources, mark_target_live_regs): Ditto.

        * var-tracking.c (compute_bb_dataflow, emit_notes_in_bb): Ditto.

        * reload1.c (reload): Ditto.
        
        * caller-save.c (setup_save_areas, calculate_local_save_info,
        save_call_clobbered_regs): Ditto.

        * cse.c (invalidate_for_call): Remove parameter.  Remove
        get_call_invalidated_used_regs.
        (cse_insn): Don't pass insn to invalidate_for_call.

        * ira-lives.c (process_bb_node_lives): Remove updating
        call_used_regs.
        
        * function.c (cgraph.h): Remove #include.
        (get_call, get_call_invalidated_used_regs): Remove.
        
        * final.c (update_regs_ever_live): Remove.
        (rest_of_handle_final): Remove updating call_used_regs.

        * toplev.h (flag_ira_ipra): Remove.
        
        * common.opt (fira-ipra): Remove.

        * ira-costs.c (ira_tune_allocno_costs_and_cover_classes): Remove
        coder for IPRA.
        
        * ira-color.c (ira_collect_pseudo_call_clobbered_regs): Remove.

        * ira.h (ira_collect_pseudo_call_clobbered_regs): Ditto.
        
        * function.h (hard-reg-set.h): Remove.
        (struct emit_status): Remove call_used_regs.
        (get_call_invalidated_used_regs): Remove.
        
        * Makefile.in (FUNCTION_H): Remove hard-reg-set.h.

        * gengtype.c (main): Remove HARD_REG_SET.

        * cgraph.c (cgraph_create_node): Remove setting
        function_used_regs.

        * cgraph.h (struct cgraph_node): Remove function_used_regs.

        * ira-build.c (ira_build): Remove resetting call_used_regs.
        
2008-07-03  Vladimir Makarov  <vmakarov@redhat.com>

        * ira.h, ira-int.h, ira-conflicts.c, ira-color.c, ira-lives.c,
        ira-emit.c, ira-build.c, ira.c, ira-costs.c: Add prefix ira_ to
        external variables, functions, common types, and macros.

        * toplev.c (init_ira_once, init_ira, finish_ira_once): Rename to
        ira_init_once, ira_init, ira_finish_once.

        * caller-save.c: Add prefix ira_ to
        collect_pseudo_call_clobbered_regs.

        * reload1.c: Add prefix ira_ to sort_insn_chain,
        mark_memory_move_deletion, better_spill_reload_regno_p,
        reuse_stack_slot, mark_new_stack_slot, mark_allocation_change,
        reassign_pseudos, mark_allocation_change.

2008-07-03  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-color.c (reassign_conflict_allocnos): Check nrefs first.

        * ira.c (ira.c): Exclude unprofitable allocno from reassigning.

        * reload1.c (find_reg): Move dump file check from
        EXECUTE_IF_SET_IN_REG_SET.

2008-06-26  Vladimir Makarov  <vmakarov@redhat.com>

        * caller-save.c (make_global_save_analysis): Add entry and exit
        blocks to all_blocks.
        (save_call_clobbered_regs): Initialize bb_info for entry/exit
        blocks.
        
2008-06-26  Kenneth Zadeck <zadeck@naturalbridge.com>

        * ira-conflicts.c ira-color.c ira-lives.c ira-emit.c ira-build.c
        ira.c ira-costs.c : Fix comments.

2008-06-11  Vladimir Makarov  <vmakarov@redhat.com>

        * caller-save.c (restore_con_fun_n, save_con_fun_n): Use loop
        mentioned_regs instead of clearing all result.

2008-06-11  Vladimir Makarov  <vmakarov@redhat.com>

        * doc/tm.texi (IRA_HARD_REGNO_ADD_COST_MULTIPLIER,
        IRA_COVER_CLASSES): Fix macro descriptions.
        
        * doc/invoke.texi (fira): Fix the description.
        
        * flags.h (ira_algorithm): Fix formatting.
        
        * ira-conflicts.c: Remove all forward prototypes of static
        functions.  Use type bool and true and false for boolean values.
        Change father to parent.
        (get_dup_num): Remove equiv_const.  More comments.
        (process_regs_for_copy, process_reg_shuffles): New functions.
        (add_insn_allocno_copies): Use them.

        * ira-int.h: Use type bool and true and false for boolean values.
        Change father to parent.

        * ira-color.c: Remove all forward prototypes of static
        functions.  Use type bool and true and false for boolean values.
        Change father to parent.

        * ira-lives.c: Remove all forward prototypes of static
        functions.  Use type bool and true and false for boolean values.
        Change father to parent.

        * ira-emit.c: Ditto.

        * ira.c: Ditto.

        * ira-costs.c: Remove all forward prototypes of static
        functions.  Use type bool and true and false for boolean values.
        Change father to parent.


        * ira-build.c: Remove all forward prototypes of static functions
        except for find_allocno_copy.  Use type bool and true and false
        for boolean values.  Change father to parent.

        * ira.h: Use type bool for boolean values.

        * reload1.c (reload): Pass false instead of FALSE.
        
2008-06-10  Vladimir Makarov  <vmakarov@redhat.com>
        PR target/36450
        * caller-save.c (insert_restore, insert_save):  Don't require
        alignment more than PREFERRED_STACK_BOUNDARY in asserts.

2008-06-10  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-int.h (allocno_copy):  Change comments.
        
        * ira-conflicts.c (build_conflict_bit_table): Use cast in printf
        for %ld.

2008-06-10  Vladimir Makarov  <vmakarov@redhat.com>

        * common.opt (fira-move-spills): Remove.

        * caller-save.c: Add more comments.
        (save_call_clobbered_regs): Remove flag_ira_move_spills.

        * doc/invoke.texi (-fno-ira-move-spills): Remove.

2008-06-06  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-build.c (ira_flattening): Check first info propagation.

        * config/alpha/alpha.h (IRA_COVER_CLASSES): New.

2008-06-03  Vladimir Makarov  <vmakarov@redhat.com>

        * caller-saves.c (mark_referenced_regs): Add new parameter.
        Process increments/decrements.
        (set_regs): Rename to modified_regs.
        (calculate_local_save_info, save_call_clobbered_regs): Pass the
        new parameter value to mark_referenced_regs.

        * ira-costs.c (find_allocno_class_costs): Always use important
        classes.

        * reload1.c (reload): Clear changed_allocation_pseudos at the end
        of reload.
        
2008-06-03  Steve Chamberlain <steve.chamberlain@gmail.com>

        * ira-build.c (allocno_range_compare_func): Stabilize sort.

2008-05-30  Vladimir Makarov  <vmakarov@redhat.com>
        Merge 132243:136204 from trunk
        * ira.c (setup_eliminable_regset): Use cfun.
        (ira): Set up DF_VERIFY_SCHEDULED.
        
        * ira-lives.c (process_bb_node_lives): Use cfun.
        
        * ira_build (ira_build): Use crtl.
        
        * local-alloc.c (update_equiv_regs): Rescan equivalent insn.

        * final (rest_of_handle_final): Use crtl.
        
        * caller-save.c (save_call_clobbered_regs): Initialize save.

2008-05-29  Andy Hutchinson   <hutchinsonandy@aim.com>

        * config/avr/avr.h (IRA_COVER_CLASSES): New macro

        * reload1.c (find_reg): Process registers in register allocation
        order.

2008-05-29  Vladimir Makarov  <vmakarov@redhat.com>

        * Makefile.in (caller-save.o): Add CFGLOOP_H.

        * ira.c (ira): Call flow_loops_find after the allocation before
        the reload.

        * global.c (print_insn_chain): Print bitmap saved.

        * reload.h (insn_chain): Add members saved and saved_pseudo_regno.

        * reload1.c (changed_allocation_pseudos): New bitmap.
        (init_reload): Initiate the bitmap.
        (new_insn_chain): Initiate bitmap saved.
        (order_regs_for_reload): Check bitmap saved.
        (find_reg): Check bitmap saved to find register.
        (delete_caller_save_insns): Print about removing caller-save insn.
        Invalidate reload register taken from saved registers.
        Recalculate used_spill_regs.
        (finish_spills): Check bitmap saved.  Set up
        changed_allocation_pseudos.  Remove sanity check.

        * caller-save.c (cfgloop.h): Add the header.
        (set_regs): New variable.
        (bb_info): Remove members empty_save_in_p, kill, gen.  Add members
        empty_save_out_p, empty_restore_in_p, save_kill, save_gen,
        restore_kill, restore_gen, free_gen, restore_in, restore_out,
        free_in, free_out, live_at_end, restore_here, restore_in_mode,
        restore_out_mode, save_in_pseudo, save_out_pseudo,
        restore_in_pseudo, restore_out_pseudo.
        (loop_info): New structure.
        (LOOP_INFO): New macro.
        (calculate_local_save_info): Add calculation of new bb_info
        members for local info.
        (restore_trans_fun, restore_con_fun_0, restore_con_fun_n,
        calculate_restore_in_out, calculate_restore_here, free_trans_fun,
        free_con_fun_0, free_con_fun_n, calculate_free_in_out): New
        functions.
        (make_global_save_analysis): Add calculation of new bb_info
        members for global info.
        (print_hard_reg_set_and_mode): Rename to
        print_annotated_hard_reg_set.  Print pseudo regnos too.
        (print_save_data): Add printing new bb_info members.
        (set_hard_reg_saved): New parameters from_saved_pseudo,
        save_pseudo.  Set them up.
        (save_call_clobbered_regs): Rewrite.
        (mark_referenced_regs): Set up set_regs.
        (insert_restore, insert_save): New parameter save_pseudo.  Use it
        for setting save_pseudo_regno and for debugging output.

        * ira-conflicts.c (build_conflict_bit_table): Check min/max.

        * ira-build.c (conflict_vector_profitable_p): Ditto.
        (clear_allocno_conflicts): Check that conflict allocno array size.
        
2008-05-21  Vladimir Makarov  <vmakarov@redhat.com>

        * ira.c (setup_preferred_alternate_classes): Remove.
        (setup_preferred_alternate_classes_for_new_pseudos): New.
        (setup_preferred_alternate_classes): Set memory cost for NO_REGS
        to minimal one.
        (ira): Remove setup_preferred_alternate_classes.  Call
        setup_preferred_alternate_classes_for_new_pseudos.

        * ira-costs.c (record_reg_classes): Don't decrease frequency for
        allows_mem.
        (record_operand_costs): Use memcpy instead of memmove.
        (print_costs): Use regno instead of allocno number in
        invalid_mode_change_p.
        (find_allocno_class_costs): Set up preferred and alternative
        classes.
        
2008-05-18  Vladimir Makarov  <vmakarov@redhat.com>
        PR tree-optimization/26854

        * timevar.def (TV_RELOAD): New timer.

        * ira.c (ira): Use TV_IRA and TV_RELOAD.
        (pass_ira): Remove TV_IRA.

        * Makefile.in (ira-color.o): Add SPLAY_TREE_H.

        * ira-conflicts.c (DEF_VEC_P, DEF_ALLOCC_P): Move to ira-int.h.

        * ira-int.h (DEF_VEC_P, DEF_ALLOCC_P): Move from ira-conflicts.c and
        ira-color.c.
        (struct allocno): New bitfield splay_removed_p.
        (ALLOCNO_MAY_BE_SPILLED_P): New macro.

        * ira-color.c (splay-tree.h): Add the header.
        (allocno_spill_priority_compare, splay_tree_allocate,
        splay_tree_free): New functions.
        (DEF_VEC_P, DEF_ALLOCC_P): Move to ira-int.h.
        (sorted_allocnos_for_spilling): Rename to allocnos_for_spilling.
        (splay_tree_node_pool, removed_splay_allocno_vec,
        uncolorable_allocnos_num, uncolorable_allocnos_splay_tree): New
        global variables.
        (add_allocno_to_bucket, add_allocno_to_ordered_bucket,
        delete_allocno_from_bucket): Update uncolorable_allocnos_num.
        (USE_SPLAY_P): New macro.
        (push_allocno_to_stack): Remove allocno from the splay tree.
        (push_allocnos_to_stack): Use the splay trees.
        (do_coloring): Create and finish splay_tree_node_pool.
        Move allocation/deallocation of allocnos_for_spilling to here...
        (initiate_ira_assign, finish_ira_assign): Move
        allocnos_for_spilling from here...
        (ira_color): Allocate/deallocate removed_splay_allocno_vec.

        * ira-build.c (DEF_VEC_P, DEF_ALLOCC_P): Move to ira-int.h.
        (create_allocno): Initiate ALLOCNO_SPLAY_REMOVED_P.
        
2008-05-12  Vladimir Makarov  <vmakarov@redhat.com>

        * Makefile.in (ira-build.o): Add sparseset.h.
        
        * ira-build.c (sparseset.h): Add.
        (remove_wrong_conflicts, change_allocno_conflicts,
        check_and_add_conflicts, add_conflict_with_underlying_allocnos):
        Remove.
        (finish_loop_tree_node, clear_allocno_conflicts,
        change_allocno_in_range_list): New functions.
        (allocnos_bitmap): New variable.
        (finish_loop_tree_nodes): Use finish_loop_tree_node.
        (initiate_allocnos): Initiate allocno conflict id by its allocno
        number.
        (conflict_vector_profitable_p): Use allocno min/max attributes.
        (temp_change_bit_vec): Remove.
        (finish_allocno): Nullify the corresponding element in allocnos
        and conflict_id_allocno_map.
        (local_allocnos_bitmap): Remove.
        (create_loop_tree_node_caps): Use local_allocnos_bitmap instead of
        local_allocnos_bitmap.
        (regno_top_level_allocno_map): Move to ira_flattening.
        (ira_flattening): Rewriting conflict rebuilding.
        (ira_build): Allocate/free allocnos_bitmap.  Move
        create_allocno_live_ranges before creation of allocno caps.

        * ira-lives.c (propagate_new_allocno_info, propagate_new_info):
        New functions.
        (create_allocno_live_ranges): Call propagate_new_info.

        * ira-color.c (ira_fast_allocation): Collect allocnos for sorting.

        * ira-conflicts.c (propagate_allocno_info): Rename to
        propagate_allocno_copy_info.  Propagate only copies.
        (propagate_info): Rename to propagate_copy_info.

2008-05-10  Richard Sandiford  <rsandifo@nildram.co.uk>

        * toplev.c (backend_init_target): Move init_ira call from here...
        (lang_dependent_init_target): ...to here.

2008-05-10  Richard Sandiford  <rsandifo@nildram.co.uk>

        * ira.c (setup_class_subset_and_memory_move_costs): Don't calculate
        memory move costs for NO_REGS.

2008-05-08  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-int.h (loop_tree_node): New members subloops and
        subloop_next.
        
        * ira-conflicts.c (propagate_modified_regnos): Check that it is a
        loop node.
        (ira_build_conflicts): Use TRUE for traverse_loop_tree.
        
        * ira-color.c (color_pass): Check that it is a
        loop node.  Use subloops and subloop_next for traversing.
        (move_spill_restore): Ditto.
        (coalesced_pseudo_reg_freq_compare,
        coalesced_pseudo_reg_slot_compare, pseudo_reg_compare): Don't
        discard const.
        
        * ira-lives.c (create_allocno_live_ranges): Use TRUE for
        traverse_loop_tree.
        
        * ira-emit.c (ira_emit): Ditto.

        * ira-build.c (add_loop_to_tree): Set up subloops and
        subloop_next.
        (setup_loop_tree_level): Use subloops and subloop_next for
        traversing.
        (form_loop_tree): Initialize subloops and subloop_next.
        (traverse_loop_tree): Change 1st parameter semantics.  Rewrite the
        function.
        (create_loop_tree_node_caps): Check that it is a loop node.
        (check_and_add_conflicts): Check allocno loop nodes.
        (add_conflict_with_underlying_allocnos): Use subloops and
        subloop_next for traversing.
        
        * ira.c (chain_freq_compare, chain_bb_compare): Don't discard
        const.
        (ira): Call regstat functions second time only if new pseudos are
        created.

        * ira-costs.c (find_allocno_class_costs): Use TRUE for
        traverse_loop_tree.
        (setup_allocno_cover_class_and_costs): Ditto.

2008-05-06  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/36028
        * caller-save.c (setup_save_areas): Adjust reused stack slot.

2008-05-05  Kaz Kojima  <kkojima@gcc.gnu.org>

        * ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
        STACK_REGS is defined.

2008-05-05  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-color.c (allocno_assign_compare_func): Remove.
        (ira_fast_allocation): Rewrite.

2008-05-02  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-conflicts.c (print_conflicts): Exclude non-allocatable hard
        regs and hard regs from different cover classes.
        (ira_build_conflicts): Build conflicts only for optimization mode.

        * cfgloopanal.c (estimate_reg_pressure_cost): Decrease cost only
        for optimization mode.

        * caller-save.c (caller-save.c, calculate_local_save_info,
        save_call_clobbered_regs): Do save/restore placement optimization
        and sharing stack slots only for optimization mode.

        * ira-int.h (set_allocno_cover_class, ira_fast_allocation): New
        prototypes.

        * ira-color.c (assign_hard_reg): Clear conflicting_regs.
        (allocno_assign_compare_func, allocno_assign_compare_func): New
        functions.

        * global.c (build_insn_chain): Add spilled pseudos only in
        optimization mode.

        * ira-emit.c (modify_move_list): Use set_allocno_cover_class.

        * alias.c (nonoverlapping_memrefs_p): Check addresses only in
        optimization mode.

        * ira-build.c (create_allocno): Initialize
        ALLOCNO_CONFLICT_HARD_REGS and ALLOCNO_TOTAL_CONFLICT_HARD_REGS by
        non-allocatable hard reg set.
        (set_allocno_cover_class): New function.
        (create_cap_allocno): Use set_allocno_cover_class.
        (ira_build): Call create_loop_tree_node_caps,
        propagate_info_to_loop_tree_node_caps, and
        propagate_info_to_loop_tree_node_caps only in optimization mode.
        * ira.c (setup_reg_renumber): Add optimize to ira_assert.
        (ira): Call find_reg_equiv_invariant_const, ira_color,
        sort_insn_chain, and fix_reg_equiv_init only in optimization mode.
        Call ira_fast_allocation for -O0.  Use right argument for reload.

        * ira-costs.c (find_allocno_class_costs): Use important_classes
        only for optimization mode.
        (setup_allocno_cover_class_and_costs): Use
        set_allocno_cover_class.  Initialize cost vectors only in
        optimization mode.  Call process_bb_node_for_hard_reg_moves only
        in optimization mode.

        * reload1.c (compute_use_by_pseudos): Add optimize to ira_assert.
        (reload): Sort pseudo-registers only optimization mode.  Restore
        original order for insn chain only in optimization mode.
        (calculate_needs_all_insns): Call mark_memory_move_deletion only
        in optimization mode.
        (count_pseudo, count_spilled_pseudo): Check spilled pseudos only
        in optimization mode.
        (alter_reg): Share stack slots only in optimization mode.
        (finish_spills): Check spilled pseudos only in optimization mode.
        (emit_input_reload_insns, delete_output_reload): Call
        mark_allocation_change only in optimization mode.
        
2008-05-01  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-int.h (IRA_BB_NODE_BY_INDEX, IRA_LOOP_NODE_BY_INDEX): Use
        gcc_unreachable instead of exit.
        (struct allocno): New members min, max, and conflict_id.
        (ALLOCNO_MIN, ALLOCNO_MAX, ALLOCNO_CONFLICT_ID): New macros.
        (conflict_id_allocno_map):
        (SET_ALLOCNO_SET_BIT, CLEAR_ALLOCNO_SET_BIT,
        TEST_ALLOCNO_SET_BIT): Add two new parameters.  Add versions for
        checking.
        (allocno_set_iterator): Add new member start_val.
        (allocno_set_iter_init): Add two new parameters.  Set up
        start_val.
        (allocno_set_iter_cond): Use start_val.
        (FOR_EACH_ALLOCNO_IN_SET): Add two new parameters.
        (allocno_set_words): Remove.
        (allocno_conflict_iterator): Add new member base_conflict_id.
        (allocno_conflict_iter_init): Set up base_conflict_id.  Use
        ALLOCNO_MIN and ALLOCNO_MAX.
        (allocno_conflict_iter_cond): Use conflict_id_allocno_map and
        base_conflict_id.

        * ira-lives.c: Include sparseset.h.
        (allocno_set_words, SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE,
        TEST_ALLOCNO_LIVE, allocnos_live_bitmap): Remove.
        (allocnos_live): Define as sparseset.
        (make_regno_born, clear_allocno_live, mark_reg_store,
        mark_reg_death, process_single_reg_class_operands,
        process_bb_node_lives, create_allocno_live_ranges): Don't use
        allocnos_live_bitmap.  Use allocnos_live as sparseset.

        * Makefile.in (ira-conflicts.o, ira-lives.o): Add sparseset.h

        * ira-conflicts.c: Add sparseset.h header.
        (mirror_conflicts): Remove.
        (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE, TEST_ALLOCNO_LIVE): Remove.
        (allocnos_live): Remove.
        (CONFLICT_P): Remove
        (CONFLICT_ALLOCNO_P): New.
        (build_conflict_bit_table): Use sparseset.  Use FOR_EACH_ALLOCNO.
        Allocate bits for [min..max] range.  Report conflict bit table
        sizes.  Setup conflicts for both allocnos.
        (DEF_VEC_P, DEF_VEC_ALLOC_P): Definitions for copy vectors.
        (remove_conflict_allocno_copies): Use CONFLICT_ALLOCNO_P.  Rename
        conflict_allocno_copy_varray to conflict_allocno_copy_vec and make
        it VEC.
        (build_allocno_conflicts): Use two new arguments for
        FOR_EACH_ALLOCNO_IN_SET.  Use conflict_id_allocno_map.  Modify
        calculation of ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE.  Use two new
        arguments for SET_ALLOCNO_SET_BIT.
        (ira_build_conflicts): Don't call mirror_conflicts.

        * ira-color.c (varray.h): Remove.
        (DEF_VEC_P, DEF_VEC_ALLOC_P): Definitions for
        allocno vectors.
        (allocno_stack_varray): Rename to allocno_stack_vec.  Make it a
        VEC.
        (assign_hard_reg, push_allocno_to_stack, pop_allocnos_from_stack,
        ira_color): Use allocno_stack_vec as VEC.
        
        * ira-build.c (setup_min_max_allocno_live_range_point,
        allocno_range_compare_func, sort_conflict_id_allocno_map,
        setup_min_max_conflict_allocno_ids): New function.
        (conflict_id_allocno_map, conflict_id_allocno_map_vec): New global
        variable.
        (DEF_VEC_P, DEF_VEC_ALLOC_P): Definitions for allocno vectors.
        (allocno_varray): Rename to allocno_vec and make it a VEC.
        (initiate_allocnos): Initiate conflict_id_allocno_map_vec.  Use
        allocno_vec as a VEC.
        (create_allocno): Initiate min, max, and conflict_id_allocno.
        Update conflict_id_allocno_map.  Use allocno_vec as a VEC.
        (allocate_allocno_conflict_bit_vec): Use ALLOCNO_MIN and
        ALLOCNO_MAX.
        (add_to_allocno_conflicts): Ditto.
        (remove_wrong_conflicts): Ditto.  Use conflict_id_allocno_map.
        (change_allocno_conflicts): Ditto.  Use add_to_allocno_conflicts
        instead of SET_ALLOCNO_SET_BIT.
        (finish_allocnos): Free conflict_id_allocno_map_vec.  Use
        allocno_vec as a VEC.
        (DEF_VEC_P, DEF_VEC_ALLOC_P): Definitions for copy vectors.
        (copy_varray): Rename to copy_vec and make it a VEC.
        (initiate_copies, create_copy, finish_copies): Use copy_vec as
        a VEC.
        (ira_build): Call setup_min_max_allocno_live_range_point,
        sort_conflict_id_allocno_map, and
        setup_min_max_conflict_allocno_ids.
        
        * ira-emit.c (move_t): New typedef.
        (DEF_VEC_P, DEF_VEC_ALLOC_P): Definitions for move vectors.
        (move_varray): Rename it to move_vec and make it a VEC.
        (emit_move_list, add_range_and_copies_from_move_list): Use move_t.
        (traverse_moves, ira_emit): Ditto.  Use move_vec as a VEC.
        (modify_move_list): Ditto.  Set up conflict_id, min, and max for
        the new allocno.
        
2008-04-10  Vladimir Makarov  <vmakarov@redhat.com>

        * reload1.c (substitute, gen_reload_chain_without_interm_reg_p):
        New functions.
        (reloads_conflict): Use gen_reload_chain_without_interm_reg_p.

2008-04-09  Vladimir Makarov  <vmakarov@redhat.com>

        * ira.c (ira): Move allocate_initial_values after initializing reg
        info.

2008-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * config/spu/spu.h (IRA_COVER_CLASSES): New macro.

2008-04-08  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-color.c (assign_hard_reg): Add debug printing.
        
        * ira-lives.c (mark_reg_store, mark_reg_death,
        process_bb_node_lives): Ignore hard regno of class NO_REGS.

        * ira.c: Fix typos in comments.

2008-04-07  Vladimir Makarov  <vmakarov@redhat.com>

        * cfgloopanal.c (estimate_reg_pressure_cost): Decrease register
        pressure cost for IRA regional allocation.

        * ira.c:  Add IRA overview.

2008-04-06  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-int.h (reg_class_intersect, reg_class_union): Add comments.
        
        * hard-reg-set.h (reg_class_subclasses): New external definition.

        * ira.c (setup_reg_class_intersect_union): Define for classes
        containing no hard registers available for allocation.

        * regclass.c (reg_class_subclasses): Make it external.

        * config/sh/sh.h (IRA_COVER_CLASSES): Add TARGET_REGS.
        
2008-04-05  Vladimir Makarov  <vmakarov@redhat.com>

        * toplev.c (backend_init_target): Move init_ira after
        init_fake_stack_mems.

        * config/sh/sh.c (sh_secondary_reload): Remove check of x on null.

2008-04-04  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.

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

        * config/sh/sh.h (IRA_COVER_CLASSES): Define.
        * config/sh/sh.c (sh_secondary_reload): Return NO_REGS for
        null rtl.
        * config/sh/sh.md (movsicc_true+3): Check if emit returns
        a barrier.
        * final.c (update_regs_ever_live): Check null rtl.
        
2008-04-04  Vladimir Makarov  <vmakarov@redhat.com>

        * reload1.c: Remove spaces before [.
        
        * ira-conflicts.c, ira-int.h, ira-color.c, ira-lives.c,
        ira-emit.c, ira-build.c, ira.c, ira.h, ira-costs.c: Ditto.  Use
        GPL3.
        
        * caller-save.c: Ditto.
        (set_up_bb_rts_numbers, rpost_cmp): Remove.
        (save_trans_fun, save_con_fun_0, save_con_fun_n): New functions.
        (struct bb_info): Remove member rts_number.
        (calculate_local_save_info): Setup empty_save_in_p for abnormal
        edges.
        (all_blocks): New variable.
        (calculate_save_in_out): Use df_simple_dataflow.
        (make_global_save_analysis): Allocate/setup/free all_blocks.
                
2008-04-04  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-costs.c: Use GPL3 in the header.
        (find_allocno_class_costs): Use all important
        classes on the 1st iteration.

2008-04-03  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/35817
        * ira-costs.c (ira-costs.c): Check have_regs_of_mode.

2008-04-02  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-color.c (start_allocno_priorities): Permit zero allocno
        nref.

2008-03-31  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-color.c (push_allocnos_to_stack): Don't use double.  Use
        const as the secondary heuristic.

        * ira-emit.c (set_allocno_reg): Change cap reg too.  Process all
        loop parents.
        
        * doc/invoke.texi (-fira-coalescing): Change to -fira-coalesce.

        * toplev.h (flag_lower_subreg): Remove.

        * global.c (build_insn_chain): Remove the prototype.

        * alias.c (value_addr_p): Change comment.

        * emit-rtl.c (gen_lowpart_common): Remove CONCATN.

        * simplify-rtx.c (simplify_subreg): Ditto.

        * common.opt (flower-subreg): Remove.

        * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Fix last
        merge.

2008-03-29  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-lives (process_single_reg_class_operands): Fix typo in
        setting up cover_class.

2008-03-28  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-conflicts.c, global.c, regmove.c, function.c,
        ira-emit.c, alias.c, reload1.c: Add comments, fix comments.

        * reload.h: Add 2008 to the Copyright.
        
        * caller-save.c: Add comments.
        (reg_save_code, reg_restore_code, initiate_saved_hard_regs,
        new_saved_hard_reg, finish_saved_hard_regs,
        saved_hard_reg_compare_func, calculate_local_save_info,
        set_up_bb_rts_numbers, rpost_cmp, calculate_save_in_out,
        calculate_save_here, make_global_save_analysis,
        print_hard_reg_set_and_mode, print_hard_reg_set, print_save_data,
        set_hard_reg_saved, add_stored_regs): Add prototypes.
        
        * df-scan.c (df_get_call_refs): Use
        get_call_invalidated_used_regs.

        * ira-int.h: Add comments.
        (loop_tree_node): Rename inner to children.
        (ira_allocate_regset, ira_free_regset): Remove.
        (reassign_conflict_allocnos): Remove one parameter.

        * ira-color.c: Add comments.
        (setup_curr_costs): Rename to update_curr_costs.
        (allocno_cost_compare_func, print_coalesced_allocno,
        allocno_reload_assign): Add prototypes.
        (reassign_conflict_allocnos): Remove one parameter.

        * ira-lives.c: Add comments.
        (make_regno_dead, make_regno_born_and_dead,
        create_start_finish_chains, print_allocno_live_ranges,
        print_live_ranges): Add protoypes.

        * ira-build.c: Add comments.
        (copy_allocno_live_range_list): Make it static.

        * ira.c: Add comments.
        (setup_cover_classes): Rename to
        setup_cover_and_important_classes.
        (free_register_move_costs, chain_freq_compare, chain_bb_compare,
        ira): New prototypes.
        (mode_inner_mode, setup_inner_mode, ira_allocate_regset,
        ira_free_regset): Remove.

        * ira.h: Add comments.
        (SECONDARY_INPUT_RELOAD_CLASS,
        SECONDARY_OUTPUT_RELOAD_CLASS, HAVE_SECONDARY_RELOADS,
        MEMORY_MOVE_COST, reg_equiv_memory_loc_varray, reg_equiv_constant,
        reg_equiv_memory_loc, reg_equiv_address, reg_equiv_mem, ira):
        Remove.
        
        * ira-costs.c: Add comments.
        (find_allocno_class_costs): Make common class a cover class.
        
2008-03-20  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-int.h (allocno): Rename conflict_allocno_vec and
        conflict_allocno_vec_size into conflict_allocno_array and
        conflict_allocno_array_size.  Remove conflict_allocnos_num.
        Rename total_conflict_allocnos_num into conflict_allocnos_num New
        members child_renamed_p and conflict_vec_p.
        (ALLOCNO_CONFLICT_ALLOCNO_VEC): Rename to
        ALLOCNO_CONFLICT_ALLOCNO_ARRAY.
        (ALLOCNO_CONFLICT_ALLOCNO_VEC_SIZE): Rename to
        ALLOCNO_CONFLICT_ALLOCNO_ARRAY_SIZE.
        (ALLOCNO_CHILD_RENAMED_P, ALLOCNO_CONFLICT_VEC_P): New macros.
        (EXECUTE_IF_SET_IN_ALLOCNO_SET): Change to
        FOR_EACH_ALLOCNO_IN_SET.
        (allocno_set_iterator): New typedef.
        (allocno_set_iter_init, allocno_set_iter_cond,
        allocno_set_iter_next): New functions.
        (conflict_vector_profitable_p, allocate_allocno_conflict_vec): New
        prototypes.
        (allocno_iterator): New typedef.
        (allocno_iter_init, allocno_iter_cond): New functions.
        (FOR_EACH_ALLOCNO): New macro.
        (copy_iterator): New typedef.
        (copy_iter_init, copy_iter_cond): New functions.
        (FOR_EACH_COPY): New macro.
        (allocno_conflict_iterator): New typedef.
        (allocno_conflict_iter_init, allocno_conflict_iter_cond,
        allocno_conflict_iter_next): New functions.
        (conflict_vector_profitable_p, allocate_allocno_conflict_vec): New
        prototypes.
        (FOR_EACH_ALLOCNO_CONFLICT): New macro.

        * ira-conflicts.c (conflicts): Change type.
        (CONFLICT_P): Use one more index for conflicts.
        (build_conflict_bit_table): Change allocation and initialization
        of conflicts.
        (mirror_conflicts): Rewrite.
        (remove_conflict_allocno_copies): Use FOR_EACH_ALLOCNO.
        (build_allocno_conflict_vects): Rename to build_allocno_conflicts.
        Rewrite it.
        (print_conflicts): Use FOR_EACH_ALLOCNO, don't print star.
        (ira_build_conflicts): Use FOR_EACH_ALLOCNO.

        * ira-color.c (assign_hard_reg): Use FOR_EACH_ALLOCNO_CONFLICT.
        Use min_full_cost for finding register profitability.
        (push_allocno_to_stack): Use FOR_EACH_ALLOCNO_CONFLICT.
        (setup_allocno_left_conflicts_num, coalesced_allocno_conflict_p):
        Ditto.
        (move_spill_restore): Use FOR_EACH_ALLOCNO.
        (reassign_conflict_allocnos): Ditto.  Use
        FOR_EACH_ALLOCNO_CONFLICT.
        (sort_regnos_for_alter_reg): Use FOR_EACH_ALLOCNO.
        (reassign_pseudos): Use FOR_EACH_ALLOCNO_CONFLICT.

        * ira-lives.c (make_regno_born, clear_allocno_live,
        mark_reg_death, process_single_reg_class_operands,
        process_bb_node_lives): Use FOR_EACH_ALLOCNO_IN_SET.
        (create_start_finish_chains, print_live_ranges): Use
        FOR_EACH_ALLOCNO.

        * ira-emit.c (set_allocno_reg): Set up ALLOCNO_CHILD_RENAMED_P.
        (set_allocno_somewhere_renamed_p): Use
        ALLOCNO_CONFLICT_ALLOCNO_ARRAY.
        (ira_emit): Use FOR_EACH_ALLOCNO.

        * ira.c (setup_reg_renumber, setup_allocno_assignment_flags,
        calculate_allocation_cost, check_allocation,
        print_redundant_copies, setup_preferred_alternate_classes): Use
        FOR_EACH_ALLOCNO.

        * ira-costs.c (print_costs, setup_allocno_cover_class_and_costs,
        ira_costs, tune_allocno_costs_and_cover_classes): Use
        FOR_EACH_ALLOCNO.

        * ira-build.c (check_allocno_conflict_vec): Remove.
        (add_to_allocno_conflict_vec): Rename to
        allocate_allocno_conflicts.  Rewrite.
        (allocate_allocno_conflict_bit_vec, allocate_allocno_conflicts,
        remove_wrong_conflicts, change_allocno_conflicts): New functions.
        (rebuild_regno_allocno_maps): Use FOR_EACH_ALLOCNO.
        (create_allocno): Initialize ALLOCNO_CHILD_RENAMED_P and
        ALLOCNO_CONFLICT_VEC_P.
        (conflict_vector_profitable_p): New function.
        (compress_allocno_conflict_vec): Use
        ALLOCNO_CONFLICT_ALLOCNO_ARRAY and don't use
        ALLOCNO_TOTAL_CONFLICT_ALLOCNOS_NUM.
        (compress_conflict_vecs): Use FOR_EACH_ALLOCNO.  Check
        ALLOCNO_CONFLICT_VEC_P.
        (propagate_info_to_cap): Use FOR_EACH_ALLOCNO_CONFLICT.
        (finish_allocnos): Use FOR_EACH_ALLOCNO.
        (finish_copies): Use FOR_EACH_COPY.
        (check_and_add_conflicts): Change second parameter.  Use
        add_to_allocno_conflicts instead of add_to_allocno_conflict_vec.
        (temp_change_bit_vec): New variable.
        (ira_flattening): Use FOR_EACH_ALLOCNO and FOR_EACH_COPY.  Use
        remove_wrong_conflicts, change_allocno_conflicts.  Allocate and
        free temp_change_bit_vec.  Nullify `allocnos' elements for removed
        allocnos.  Check ALLOCNO_CHILD_RENAMED_P for removing obsolete
        conflicts.  Don't compress and enumerate allocnos and copies.
        Nullify `copies' elements for removed copies.  Use
        add_to_allocno_conflicts instead of add_to_allocno_conflict_vec.
        (ira_build): Use FOR_EACH_ALLOCNO.
        
2008-03-18  Vladimir Makarov  <vmakarov@redhat.com>

        * common.opt (fira-algorithm): Fix description

        * ira-int.h (allocno): Remove best_class.
        (ALLOCNO_BEST_CLASS): Remove.
        (strict_class_subset_p): Remove.
        
        * ira-color.c (get_coalesced_allocnos_best_class_and_freq): Rename
        to get_coalesced_allocnos_attributes.  Change prototype.
        Calculate available regs.
        (bucket_allocno_compare_func, sort_bucket): New functions.
        (sorted_allocnos_for_spilling): New variable.
        (assign_hard_reg): Don't add prohibited_class_mode_regs to
        conflicting_regs.  Use it in loop for finding the best hard
        register.
        (add_allocno_to_ordered_bucket): Use bucket_allocno_compare_func.
        (push_only_colorable): Call sort_bucket.
        (push_allocnos_to_stack): Use sorted_allocnos_for_spilling instead
        of sorted_allocnos.
        (put_allocno_into_bucket): Use add_allocno_to_bucket instead of
        add_allocno_to_ordered_bucket.
        (initiate_ira_assign): Allocate sorted_allocnos_for_spilling.
        (finish_ira_assign): Free sorted_allocnos_for_spilling.

        * ira-emit.c (modify_move_list): Remove setting ALLOCNO_BEST_CLASS
        up.
        
        * ira-build.c (create_allocno, create_cap_allocno): Ditto.
        
        * ira.c (strict_class_subset_p): Remove.
        (setup_class_subset_and_memory_move_costs): Remove setting
        strict_class_subset_p up.
        
        * ira-costs.c (setup_allocno_cover_class_and_costs): Remove
        setting ALLOCNO_BEST_CLASS up.
        
2008-03-12  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-int.h (allocno_pool, copy_pool, allocno_live_range_pool):
        Remove external definitions.
        (free_allocno_updated_costs, allocate_cost_vector,
        free_cost_vector): New prototypes.
        (allocate_and_set_costs, allocate_and_copy_costs,
        allocate_and_set_or_copy_costs): Change prototypes.  Use
        allocate_cost_vector instead of ira_allocate.

        * ira-conflicts.c (add_insn_allocno_copies): Pass register class
        to allocate_and_set_costs.

        * ira-color.c (update_copy_costs_1): Pass register class to
        allocate_and_set_or_copy_costs.
        (assign_hard_reg): Pass register class to allocate_and_copy_costs.
        Free updated costs.
        (pop_allocnos_from_stack, color_allocnos): Check updated costs.
        (color_pass): Pass register class to allocate_and_set_costs.  Free
        updated costs.
        (move_spill_restore): Check reg equivalences.
        (setup_curr_costs): Pass register class to
        allocate_and_set_or_copy_costs.
        (reassign_conflict_allocnos, allocno_reload_assign): Check updated
        costs.
        (calculate_spill_cost): Use REG_N_REFS after checking regno.

        * ira-lives.c (process_single_reg_class_operands): Pass register
        class to allocate_and_set_costs.

        * ira-build.c (allocno_pool, allocno_live_range_pool): New
        variables.
        (initiate_allocnos): Initiate the pools.
        (free_allocno_updated_costs): New function.
        (finish_allocno): Use free_cost_vector.  Free the pools.
        (copy_pool): New variable.
        (initiate_copies): Initiate the pool.
        (cost_vector_pool): New variable.
        (initiate_cost_vectors, allocate_cost_vector, free_cost_vector,
        finish_cost_vectors): New functions.
        (ira_flattening): Call free_allocno_updated_costs.  Check updated
        costs.
        (ira_build): Call initiate_cost_vectors.
        (ira_destroy): Call finish_cost_vectors.

        * ira.c (find_reg_equiv_invariant_const): Check read only memory.
        (setup_reg_renumber, setup_allocno_assignment_flags): Call
        free_allocno_updated_costs.
        (ira): Remove initializations and freeing allocno_pool, copy_pool,
        and allocno_live_range_pool.  Call generate_setjmp_warnings.

        * ira-costs.c (process_bb_node_for_hard_reg_moves,
        tune_allocno_costs_and_cover_classes): Pass register class to
        allocate_and_set_costs.

        * caller-save.c (save_slots_num, save_slots): New variables.
        (init_save_areas): Initiate save_slots_num.
        (setup_save_areas): Use stack slots from the previous reload
        iteration independetly what slot was used on the previous pass.
        
2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>

        * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
        Remove commutativity hint.

2008-03-06  Vladimir Makarov  <vmakarov@redhat.com>

        * ira.h (sort_regnos_for_alter_reg): Add parameter.
        
        * reload1.c (reload): Pass additional argument to
        sort_regnos_for_alter_reg.

        * ira-int.h (reg_equiv_len): New global variable.

        * ira-emit.c (change_loop): Add assertion.

        * ira.c (reg_equiv_len): New global variable.
        (setup_reg_renumber): Use reg_equiv_len in assertion.
        (ira): Initialize reg_equiv_len and spilled_reg_stack_slots.

        * ira-color.c (coalesced_pseudo_reg_compare): Rename to
        coalesced_pseudo_reg_freq_compare.
        (coalesced_pseudo_reg_slot_compare,
        setup_coalesced_allocno_costs_and_nums,
        collect_spilled_coalesced_allocnos, coalesce_spill_slots): New
        functions.
        (coalesced_allocno_conflict_p): Add new parameter.  Use live
        ranges to find conflicts for the reload.
        (coalesce_allocnos): Don't coalesce allocnos with equivalences.
        (color_pass): Check reg_quiv_len.
        (regno_max_ref_width): New variable.
        (sort_regnos_for_alter_reg): Add secondary coalescing spilled
        allocnos.  Assign stack slot numbers.  Use costs instead of
        frequencies.
        (mark_allocation_change): Set up allocno hard regno.
        (allocno_reload_assign): Ditto.
        (reuse_stack_slot): Use stack slot numbers.
        (mark_new_stack_slot): Set up allocno slot number.

        * doc/passes.texi: Add more info about IRA.
        
2008-03-03  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-conflicts.c (allocno_conflict_p): Rename to
        allocno_live_ranges_intersect_p.
        (allocno_reg_conflict_p): Rename to
        pseudo_live_ranges_intersect_p.

        * ira-lives.c (high_pressure_start_point): New variable.
        (update_allocno_pressure_excess_length): New function.
        (make_regno_dead): Call it.
        (set_allocno_live): Udpate high_pressure_start_point.
        (clear_allocno_live, mark_reg_store, mark_reg_death): Ditto.
        (process_bb_node_lives): Initialize high_pressure_start_point.
        Consider only allocatable hard regs for liveness.
        
        * ira-costs.c (record_reg_classes): Multiply cost by frequency.
        Use half frequency when memory is allowed.  Remove check for
        prefferred small register classes of pseudo-registers.
        (scan_one_insn): Continue processing operands for moves of
        pseudo-registers with equivalence.  Don't multiply cost by
        frequency.
        (init_ira_costs): Use bigger initial cost value.
        
        * ira-int.h: Ditto.
        (allocno): New members somewhere_renamed_p and
        excess_pressure_points_num.
        (ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_EXCESS_PRESSURE_POINTS_NUM):
        New macros.
        (allocno_reg_conflict_p): Rename to
        pseudo_live_ranges_intersect_p.
        (allocno_conflict_p): Rename to allocno_live_ranges_intersect_p.

        * ira.h (sort_regnos_for_alter_reg, better_spill_reload_regno_p):
        New function prototypes.
        
        * ira-color.c (merge_allocnos): Remove mode check.
        (coalesce_allocnos): Add parameter and modify to use it for
        coalescing spilled allocnos.
        (color_allocnos): Pass parameter to coalesce_allocnos.
        (regno_coalesced_allocno_freq, regno_coalesced_allocno_num): New
        variables.
        (coalesced_pseudo_reg_compare, calculate_spill_cost,
        sort_regnos_for_alter_reg, better_spill_reload_regno_p): New
        functions.
        (mark_allocation_change, allocno_reload_assign, reassign_pseudos
        ): Use ALLOCNO_MEMORY_COST instead of ALLOCNO_UPDATED_MEMORY_COST.
        (reuse_stack_slot): Use pseudo_live_ranges_intersect_p instead of
        allocno_reg_conflict_p.
        
        * ira-emit.c (set_allocno_somewhere_renamed_p): New function.
        (renamed_regno_bitmap): New static variable.
        (change_loop): Check register pressure for creating new pseudo.
        Set up ALLOCNO_SOMEWHERE_RENAMED_P and renamed_regno_bitmap.
        (ira_emit): Allocate/deallocate renamed_regno_bitmap.
        Call set_allocno_somewhere_renamed_p.

        * ira-build.c (ira_loops): Move to ira.c.
        (create_allocno): Initialize ALLOCNO_SOMEWHERE_RENAMED_P and
        ALLOCNO_MEMORY_COST.
        (create_cap_allocno): Set up ALLOCNO_MEMORY_COST.
        (check_and_add_conflicts): Use allocno_live_ranges_intersect_p
        instead of allocno_conflict_p.
        (ira_flattening): Check conflicts of allocno renamed somewhere
        locally.  Update ALLOCNO_EXCESS_PRESSURE_POINTS_NUM.
        (ira_build): Move code for finding loops to ira.c.
        (ira_destroy): Move code for freeing loops to ira.c.

        * ira.c (setup_reg_class_intersect_union): Fix calculation of
        reg_class_union.
        (calculate_allocation_cost): Use ALLOCNO_MEMORY_COST instead of
        ALLOCNO_UPDATED_MEMORY_COST.
        (ira_loops): Move from ira-build.c.
        (ira): Move code for finding and freeing loops from ira-build.c.
        Don't use regional RA when there are too many loops.

        * reload1.c (pseudo_reg_compare): Remove.
        (reload): Use sort_regnos_for_alter_reg.
        (hard_regno_to_pseudo_regno): New variable.
        (count_pseudo): Set up hard_regno_to_pseudo_regno.
        (order_regs_for_reload): Initialize hard_regno_to_pseudo_regno.
        (count_spilled_pseudo): Update hard_regno_to_pseudo_regno.
        (find_reg): Use better_spill_reload_regno_p.  Check
        hard_regno_to_pseudo_regno.

        * cfgloopanal.c: Include params.h.
        (estimate_reg_pressure_cost): Check number of loops.

        * params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.

        * params.h (IRA_MAX_LOOPS_NUM): New macro.

        * Makefile.in (cfgloopanal.o): Add PARAMS_H.
        
        * doc/invoke.texi (ira-max-loops-num): Describe.
        
2008-02-20  Vladimir Makarov  <vmakarov@redhat.com>

        * ira.h, ira-emit.c: Add year 2008 to the copyright.
        
        * ira-int.h: Ditto.
        (struct copy): Rename move_insn to insn.
        (initiate_ira_assign, finish_ira_assign, debug_allocno_copies):
        New function prototypes.
        
        * ira-build.c: Add year 2008 to the copyright.  Rename member
        move_insn of the copies to insn.
        (find_allocno_copy): New function.
        (propagate_info_to_cap, add_allocno_copy): Use it.
        (print_allocno_copies, debug_allocno_copies): New functions.
        
        * ira-conflicts.c: Add year 2008 to the copyright.  Rename member
        move_insn of the copies to insn.

        * ira.c: Ditto.
        (setup_reg_class_intersect_union): Fix reg_class_union for cover
        classes.
        (ira): Call initiate_ira_assign and finish_ira_assign.  Remove
        setting reload_completed up.
        
        * ira-costs.c: Add year 2008 to the copyright.
        (ira_costs): Check modes of registers.

        * ira-lives.c: Add year 2008 to the copyright.
        (mark_reg_store, mark_reg_death, process_bb_node_lives): Don't use
        REG_N_REFS.
        (process_single_reg_class_operands): Check that the hard reg
        belongs to the cover class.

        * ira-color.c: Add year 2008 to the copyright.  Rename member
        move_insn of the copies to insn.
        (initiate_cost_update, finish_cost_update, update_copy_costs_1):
        New functions.
        (allocno_update_cost_check, update_cost_check): New static
        variables.
        (update_copy_costs): Increment update_cost_check.  Call
        update_copy_costs_1.
        (coalesce_allocnos): Don't coalesce already assigned allocnos or
        copies with null insn.
        (color_pass): Check loop tree node of the subloop allocno.
        (finish_allocno_priorities): Remove.
        (do_coloring): Move allocation/deallocation of
        consideration_allocno_bitmap into initiate_cost_update and
        finish_cost_update.
        (reassign_conflict_allocnos): Remove allocation/deallocation of
        sorted_allocnos.  Remove call of finish_allocno_priorities.
        (reassign_pseudos): Remove allocation/deallocation of
        consideration_allocno_bitmap and sorted_allocnos.  Remove call of
        finish_allocno_priorities.
        (initiate_ira_assign, finish_ira_assign): New fucntions.
        (ira_color): Remove allocation/deallocation of sorted_allocnos.
        Call initiate_ira_assign and finish_ira_assign.
        
        * postreload.c (gate_handle_postreload): Don't do post reload
        optimizations unless the reload is completed.
        
        * cfgloopanal.c (estimate_reg_pressure_cost): Return zero if we
        use regional RA.

        * recog.c (peep2_free_reg_search_ofs): New static variable.
        (peep2_find_free_register): Remove search_ofs.  Use
        peep2_free_reg_search_ofs instead of it.
        (peephole2_optimize): Reset peep2_free_reg_search_ofs.
        
2008-01-10  Vladimir Makarov  <vmakarov@redhat.com>

        * reload1.c (compute_use_by_pseudos): Permits spilled registers in
        FROM.
        (temp_pseudo_reg_arr): New variable.
        (reload): Use instead temp_pseudo_reg_arr of pseudo_regs.  Move
        freeing to the function end.  Don't clear spilled_pseudos for IRA.
        Restore original insn chain for IRA.
        (calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
        (count_pseudo, count_spilled_pseudo): Check spilled pseudos.
        (alter_reg): Set up spilled_pseudos.
        (finish_spills): Set up pseudo_previous_regs only for spilled
        pseudos.  Call reassign_pseudos once for all spilled pseudos,
        pass more arguments.  Don't clear live_throughout and dead_or_set
        for spilled pseudos.

2008-01-10  Vladimir Makarov  <vmakarov@redhat.com>

        * reload1.c (compute_use_by_pseudos): Permits spilled registers in
        FROM.
        (temp_pseudo_reg_arr): New variable.
        (reload): Use instead temp_pseudo_reg_arr of pseudo_regs.  Move
        freeing to the function end.  Don't clear spilled_pseudos for IRA.
        Restore original insn chain for IRA.
        (calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
        (count_pseudo, count_spilled_pseudo): Check spilled pseudos.
        (alter_reg): Set up spilled_pseudos.
        (finish_spills): Set up pseudo_previous_regs only for spilled
        pseudos.  Call reassign_pseudos once for all spilled pseudos,
        pass more arguments.  Don't clear live_throughout and dead_or_set
        for spilled pseudos.

        * global.c (reg_becomes_live, build_insn_chain): Don't ignore
        spilled pseudos for IRA.
        
        * caller-save.c (calculate_local_save_info,
        save_call_clobbered_regs): Ignore spilled pseudos for IRA.
        
        * toplev.c (backend_init_target): Call init_ira.
        (backend_init): Move call of init_ira_once before
        backend_init_target.
        
        * ira.h (init_ira, sort_insn_chain, mark_memory_move_deletion):
        New function prototypes.
        (retry_ira_color): Rename to reassign_pseudos.  Change
        signature.

        * ira-int.h (allocno): New member dont_reassign_p.
        (ALLOCNO_DONT_REASSIGN_P): New macro.
        (memory_move_cost): Change element type.
        (register_move_cost): Change type.
        (register_may_move_in_cost, register_may_move_out_cost,
        reg_class_intersect): New arrays.
        (important_class_nums): Fix element type.
        (hard_reg_not_in_set_p): Make it static inline.
        (init_register_move_cost, init_ira_costs): New function
        prototypes.
        (allocno_conflict_index): Remove.
        (allocate_and_set_costs, allocate_and_copy_costs,
        allocate_and_set_or_copy_costs): New static inline functions.
        
        * ira-build.c (compress_allocno_conflict_vec,
        compress_conflict_vecs): New functions.
        (allocno_conflict_index): Remove.
        (allocno_conflict_check, curr_allocno_conflict_check_tick): New
        variables.
        (propagate_info_to_cap): Use allocate_and_copy_costs.
        (check_and_add_conflicts): Don't call allocno_conflict_index.
        (ira_flattening): Add some assertions.  Check that cost vectors
        have been allocated.  Don't call allocno_conflict_index.  Call
        compress_conflict_vecs.

        * ira.c (memory_move_cost, register_move_cost): Change types.
        (register_may_move_in_cost, register_may_move_out_cost,
        strict_class_subset_p): New variables.
        (setup_class_subset_and_move_costs): Rename to
        setup_class_subset_and_memory_move_costs.  Remove
        register_move_cost setup.  Don't consider no_unit_alloc_regs.  Add
        strict_class_subset_p setup.
        (setup_reg_class_intersect): Rename to
        setup_reg_class_intersect_union.  Don't consider
        no_unit_alloc_regs.  Add reg_class_union setup.
        (hard_reg_not_in_set_p): Move to ira-int.h.
        (setup_reg_subclasses): Use no_unit_alloc_regs instead of
        fixed_reg_set.  Don't consider no_unit_alloc_regs.
        (important_class_nums): Fix element type.
        (setup_cover_classes): Use no_unit_alloc_regs instead of
        fixed_reg_set.  Don't consider no_unit_alloc_regs.
        (setup_class_translate): Ditto.
        (reg_class_union): New variable.
        (init_register_move_cost, free_register_move_costs): New
        functions.
        (init_ira_once): Initialize register_move_cost,
        register_may_move_in_cost, register_may_move_out_cost.  Move some
        code to init_ira.
        (init_ira): New function.  Move some code from init_ira_once.
        Call free_register_move_costs and init_ira_costs.
        (calculate_allocation_cost): Check allocation of allocno hard reg
        cost vector.
        (basic_block_order_nums): New variable.
        (chain_freq_compare, chain_bb_compare, sort_insn_chain): New
        functions.
        (ira): Call sort_insn_chain.

        * ira-color.c (allocno_coalesced_p): New variable.
        (update_copy_costs): Use allocate_and_set_or_copy_costs.
        (assign_hard_reg): Clear and use
        processed_coalesced_allocno_bitmap only if allocno_coalesced_p.
        Use allocate_and_copy_costs.  Use allocno cover class cost if the
        hard register cost vector is not allocated.
        (get_coalesced_allocnos_best_class_and_freq): Use
        reg_class_intersect instead of reg_class_subintersect.
        (add_allocno_to_ordered_bucket): Use strict_class_subset_p.
        (push_allocno_to_stack): Clear and use
        processed_coalesced_allocno_bitmap only if allocno_coalesced_p.
        (setup_allocno_left_conflicts_num): Don't setup
        ALLOCNO_UPDATED_HARD_REG_COSTS and
        ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS.  Clear and use
        processed_coalesced_allocno_bitmap only if allocno_coalesced_p.
        (put_allocno_into_bucket): Don't setup
        ALLOCNO_UPDATED_HARD_REG_COSTS and
        ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS.
        (coalesced_allocno_conflict_p): Clear and use
        processed_coalesced_allocno_bitmap only if allocno_coalesced_p.
        (coalesce_allocnos): Setup allocno_coalesced_p.
        (color_allocnos): Add processing reg class NO_REGS.
        (color_pass): Propagate assignment of spilled allocno not
        mentioned in the subregion for the mixed algorithm.  Use
        allocate_and_set_costs.
        (move_spill_restore, mark_allocation_change): Check unallocated
        hard reg cost vectors.
        (setup_curr_costs): Don't setup ALLOCNO_UPDATED_HARD_REG_COSTS and
        ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS.  Use
        allocate_and_set_or_copy_costs.
        (mark_memory_move_deletion, allocno_reload_assign,
        pseudo_reg_compare, reassign_pseudos): New functions.
        (retry_ira_color): Remove.
        
        * ira-conflicts.c (add_insn_allocno_copies): Use
        allocate_and_set_costs.
        (allocno_conflict_p): Simplify the code.
        
        * ira-costs.c: Rename reg_class_subunion to reg_class_union
        everywhere.
        (cost_classes, cost_classes_num, cost_class_nums,
        max_struct_costs_size): New variables.
        (copy_cost): Use init_register_move_cost instead of
        init_move_cost.
        (record_reg_classes): Ditto.  Use cost_classes and
        cost_classes_num instead of important_classes and
        important_classes_num.  Use register_may_move_{in,out}_cost
        instead of may_move_{in,out}_cost.  Check reg class intersection
        for alt_cost.
        (record_address_regs): Use init_register_move_cost instead of
        init_move_cost.  Use cost_classes and cost_classes_num instead of
        important_classes and important_classes_num.  Use
        register_may_move_in_cost instead of may_move_in_cost.
        (scan_one_insn): Use cost_classes_num instead of
        important_classes_num.
        (print_costs): Use cost_classes and cost_classes_num instead of
        important_classes and important_classes_num.
        (find_allocno_class_costs): Initialize cost_classes and
        cost_class_nums.  Use cost_classes and cost_classes_num instead of
        important_classes and important_classes_num.
        (process_bb_node_for_hard_reg_moves): Use allocate_and_set_costs.
        (setup_allocno_cover_class_and_costs): Use cost_classes and
        cost_classes_num instead of important_classes and
        important_classes_num.
        (init_ira_costs_once): Move some code to init_ira_costs.  Initiate
        cost_classes.
        (free_ira_costs: New function.  Move some code from
        finish_ira_costs_once.
        (init_ira_costs): New function.  Move some code from
        init_ira_costs_once.  Use max_struct_costs_size instead of
        struct_costs_size.  Call free_ira_costs.  Allocate cost_classes.
        (finish_ira_costs_once): Move some code to finish_ira_costs.  Call
        free_ira_costs.
        (ira_costs): Use max_struct_costs_size instead of
        struct_costs_size.  Use allocate_and_set_costs.

        * ira-emit.c (modify_move_list): Remove allocation of hard reg
        cost vectors.

        * ira-lives.c (process_single_reg_class_operands): Add new
        parameter freq.  Calculate costs basing on the frequency.
        (process_bb_node_lives): Pass the frequency to
        process_single_reg_class_operands.
        
2007-12-17  Vladimir Makarov  <vmakarov@redhat.com>

        * doc/invoke.texi (fira-algoirthm): Remove prioirity coloring.
        Make mixed the default.

        * flags.h (ira_algorithm): Remove IRA_ALGORITHM_PRIORITY.

        * ira-color.c (priority_coloring):  Remove.
        (do_coloring): Don't call priority_coloring.

        * opts.c (common_handle_option): Remove priority coloring option.

        * toplev.c (flag_ira_algorithm): Assign IRA_ALGORITHM_MIXED.
        
        * ira-build.c (check_and_add_conflicts, ira_flattening): Increase
        threshold for internal_flag_ira_verbose.
        
2007-12-17  Vladimir Makarov  <vmakarov@redhat.com>

        * common.opt (fira-assign-after-call-split, fira-biased-coloring,
        fira-split-around-calls): Remove.
        (fdump-simple-rtl, fira-verbose): New options.
        (fira, fira-coalesce): Initiate by 0.

        * opts.c (common_handle_option):  Process flag_ira_verbose.

        * flags.h (flag_ira_verbose): New external definition.

        * toplev.h (flag_ira_assign_after_call_split,
        flag_ira_biased_coloring, flag_ira_split_around_calls):  Remove.

        * toplev.c (flag_ira_verbose): New external declaration.
        (finalize): Call finish_ira_once.

        * print-rtl.c (flag_simple):  Rename to flag_dump_simple_rtl.

        * doc/invoke.texi (-fno-ira-assign-after-call-split,
        -fira-biased-coloring, -fno-ira-split-around-calls):  Remove.
        (-fdump-simple-rtl, -fira-verbose): New options.

        * caller-save.c (insert_restore, insert_save): Use
        adjust_address_nv instead of adjust_address.  Check the mode by
        reg_save_code.

        * ira-call.c: Remove file.

        * ira-lives.c: New file.

        * Makefile.in (ira-live.o): Add
        (ira-call.o): Remove.
        (IRA_INT_H): Add alloc-pool.h.

        * ira.h (finish_ira_once): New external definition.

        * ira-int.h (internal_flag_ira_verbose, alloc_pool allocno_pool,
        copy_pool, allocno_live_range_pool, ira_loop_tree_height,
        max_point, start_point_ranges, finish_point_ranges,
        prohibited_mode_move_regs, important_class_nums,
        ira_curr_regno_allocno_map, allocno_set_words): New external
        definitions.
        (loop_tree_node_t, allocno_live_range_t): New typedefs.  Use them
        everywhere.
        (ira_loop_tree_node): Rename to loop_tree_node.
        (loop_tree_node): New member level.
        (allocno_live_range): New structure.
        (allocno): New members nrefs, live_ranges,
        total_conflict_hard_regs, conflict_allocnos_num,
        total_conflict_allocnos_num, mem_optimized_dest,
        mem_optimized_dest_p, total_no_stack_reg_p.  Remove members
        conflict_allocno_vec_active_size and original_memory_cost.  Rename
        member curr_hard_reg_costs to updated_hard_reg_costs.
        (ALLOCNO_TOTAL_CONFLICT_ALLOCNOS_NUM,
        ALLOCNO_TOTAL_CONFLICT_HARD_REGS, ALLOCNO_CONFLICT_ALLOCNOS_NUM,
        ALLOCNO_TOTAL_CONFLICT_ALLOCNOS_NUM, ALLOCNO_NREFS,
        ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
        ALLOCNO_TOTAL_NO_STACK_REG_P, ALLOCNO_LIVE_RANGES): New access
        macros.
        (ALLOCNO_CONFLICT_ALLOCNO_VEC_ACTIVE_SIZE,
        ALLOCNO_ORIGINAL_MEMORY_COST): Remove.
        (ALLOCNO_CURR_CONFLICT_HARD_REG_COSTS): Rename to
        ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS.
        (allocno_copy): New member loop_tree_node.
        (INT_BITS, INT_TYPE, EXECUTE_IF_SET_IN_ALLOCNO_SET): Move from
        ira-conflicts.c.
        (SET_ALLOCNO_SET_BIT, CLEAR_ALLOCNO_SET_BIT,
        TEST_ALLOCNO_SET_BIT): New macros.
        (ira_reallocate, allocno_conflict_index, add_allocno_conflict,
        create_allocno_live_range, finish_allocno_live_range,
        add_allocno_copy_to_list, swap_allocno_copy_ends_if_necessary,
        remove_allocno_copy_from_list, add_allocno_copy, ira_flattening,
        finish_ira_costs_once, rebuild_start_finish_chains,
        print_live_range_list, debug_live_range_list,
        debug_allocno_live_ranges, debug_live_ranges,
        create_allocno_live_ranges, finish_allocno_live_ranges,
        allocno_conflict_p, loop_edge_freq): New external function
        definitions.
        (hard_reg_in_set_p, original_regno_call_crossed_p,
        ira_max_regno_before, ira_max_regno_call_before): Remove.
        (traverse_loop_tree): Add new parameter type.
        (create_copy): Ditto.
        (debug_conflicts, ira_emit, add_allocno_copy): Add parameter.
        (debug_ira_call_data, split_around_calls, get_around_calls_regno):
        Remove.
        
        * ira.c (setup_prohibited_mode_move_regs): New function.
        (internal_flag_ira_verbose, allocno_pool, copy_pool,
        allocno_live_range_pool, important_class_nums): New external
        variables.
        (IRA_NO_OBSTACK): Uncomment it.
        (ira_reallocate): New function.
        (setup_cover_classes): Set up important_class_nums.
        (finish_ira_once): New function.
        (prohibited_mode_move_regs,
        prohibited_mode_move_regs_initialized_p): New global variables.
        (setup_prohibited_mode_move_regs): New function.
        (setup_reg_renumber): Remove parameters.
        (setup_allocno_assignment_from_reg_renumber): Rename to
        setup_allocno_assignment_flags.  Set up ALLOCNO_ASSIGNED_P.
        (calculate_allocation_cost): Use ALLOCNO_UPDATED_MEMORY_COST.
        (ira_max_regno_before, ira_max_regno_call_before): Remove.
        (ira): Set up internal_flag_ira_verbose.  Call
        setup_prohibited_mode_move_regs.  Create and destroy allocno,
        copy, and live range pools.  Remove original_regno_call_crossed_p.
        Report major passes.  Use argument for ira_emit.  Call
        ira_flattening and df_analyze.  Remove live range splitting around
        calls.
        
        * ira-build.c (setup_loop_tree_level, rebuild_regno_allocno_maps,
        expand_calls, compress_calls, allocno_conflict_index,
        add_to_allocno_conflict_vec, propagate_info_to_cap,
        copy_allocno_live_range, copy_allocno_live_range_list,
        finish_allocno, finish_copy,
        propagate_info_to_loop_tree_node_caps, merge_ranges,
        common_loop_tree_node_dominator, check_and_add_conflicts,
        add_conflict_with_underlying_allocnos, ira_flattening): New
        functions.
        (check_coalesced_allocnos): Remove.
        (ira_loop_tree_height): New external variable.
        (form_loop_tree): Call setup_loop_tree_level.
        (initiate_calls): Allocate a bit more.  (create_allocno): Use
        pool_alloc.  Set up ALLOCNO_TOTAL_CONFLICT_ALLOCNOS_NUM,
        ALLOCNO_TOTAL_CONFLICT_HARD_REGS, ALLOCNO_NREFS,
        ALLOCNO_TOTAL_NO_STACK_REG_P, ALLOCNO_MEM_OPTIMIZED_DEST,
        ALLOCNO_MEM_OPTIMIZED_DEST_P, ALLOCNO_UPDATED_MEMORY_COST, and
        ALLOCNO_LIVE_RANGES.  Rename
        ALLOCNO_CONFLICT_ALLOCNO_VEC_ACTIVE_SIZE,
        ALLOCNO_CURR_HARD_REG_COSTS, and
        ALLOCNO_CURR_CONFLICT_HARD_REG_COSTS to
        ALLOCNO_CONFLICT_ALLOCNOS_NUM, ALLOCNO_UPDATED_HARD_REG_COSTS, and
        ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS.
        (add_allocno_conflict): Make it external.  Use
        add_to_allocno_conflict_vec.
        (create_cap_allocno): Move part of code to propagate_info_to_cap.
        (finish_allocnos): Use finish_allocno.
        (add_allocno_copy_to_list, remove_allocno_copy_from_list,
        swap_allocno_copy_ends_if_necessary, add_allocno_copy): Move from
        ira-conflicts.c.  Make them external.
        (create_copy): Use pool_alloc.  Add parameter loop_tree_node.
        (finish_copies): Use finish_copy.
        (ira_curr_regno_allocno_map): New external variable.
        (traverse_loop_tree): Add parameter bb_first_p.
        (create_insn_allocnos): Update ALLOCNO_NREFS.
        (create_loop_tree_node_allocnos): Traverse loop tree nodes with
        BBs first.  Update ALLOCNO_NREFS.
        (create_loop_tree_node_caps): Move part of code to
        propagate_info_to_loop_tree_node_cap.
        (regno_top_level_allocno_map): New global variable.
        (ira_build): Create caps before build conflicts.  Call
        create_allocno_live_ranges.  Propagate info to caps.  Report
        statistics.
        (ira_destroy): Call finish_allocno_live_ranges.

        * ira-conflicts.c (set_allocno_live, clear_allocno_live,
        record_regno_conflict, mark_reg_store, mark_reg_clobber,
        mark_reg_conflicts, mark_reg_death): Remove.
        (add_insn_allocno_copies, add_copies): New functions.
        (add_allocno_copy_to_list, remove_allocno_copy_from_list,
        swap_allocno_copy_ends_if_necessary, add_allocno_copy): Remove.
        (add_allocno_copies): Rename to add_insn_allocno_copies.  Use
        ira_curr_regno_allocno_map and add_insn_allocno_copies.
        (single_reg_class, single_reg_operand_class,
        process_single_reg_class_operands, process_bb_node_for_conflicts):
        Remove.
        (INT_BITS, INT_TYPE, EXECUTE_IF_SET_IN_ALLOCNO_SET): Move to
        ira-int.h.
        (allocnos_live_bitmap, SET_ALLOCNO_CONFLICT_ROW,
        CLEAR_ALLOCNO_CONFLICT_ROW, TEST_ALLOCNO_CONFLICT_ROW): Remove.
        (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE, TEST_ALLOCNO_LIVE):
        Use {SET, CLEAR, TEST}_ALLOCNO_SET_BIT.
        (allocno_row_words, hard_regs_live, curr_bb_node,
        curr_regno_allocno_map, curr_reg_pressure): Remove.
        (CONFLICTP): Rename to CONFLICT_P.
        (regs_set): Remove.
        (propagate_allocno_info): Use ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
        Set up ALLOCNO_CALLS_CROSSED_START.
        (allocno_conflict_p): New function.
        (allocno_reg_conflict_p): Use allocno_conflict_p.
        (build_allocno_conflict_vects): Divide original and propagated
        conflicts.
        (print_hard_reg_set): New function.
        (print_conflicts): Use print_hard_reg_set.  Set up mark for the
        start of propagated conflicts.
        (debug_conflicts): Add parameter.
        (ira_build_conflicts): Call add_copies.  Set up
        ALLOCNO_TOTAL_CONFLICT_HARD_REGS.

        * ira-costs.c (struct costs): Make cost allocated dynamically.
        (struct_costs_size, temp_cots, op_costs, this_op_costs): New
        variables.
        (costs): Rename to total_costs.
        (COSTS_OF_ALLOCNO): New macro.
        (curr_regno_allocno_map): Remove.  Use ira_curr_regno_allocno_map
        instead.
        (record_reg_classes): Check NO_REGS in allocno_pref.
        (record_address_regs): Use COSTS_OF_ALLOCNO.
        (scan_one_insn): Ditto.
        (print_costs): Ditto.
        (find_allocno_class_costs): Ditto.  Pass additional argument to
        traverse_loop_tree.  Set up NO_REGS if memory is cheaper.
        (setup_allocno_cover_class_and_costs): Use
        ALLOCNO_UPDATED_MEMORY_COST instead of
        ALLOCNO_ORIGINAL_MEMORY_COST, ALLOCNO_UPDATED_HARD_REG_COSTS
        instead of ALLOCNO_CURR_HARD_REG_COSTS, and
        ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS instead of
        ALLOCNO_CURR_CONFLICT_HARD_REG_COSTS.  Pass additional argument to
        traverse_loop_tree.
        (init_ira_costs_once): Allocate init_cost, op_costs,
        this_op_costs, temp_costs.
        (finish_ira_costs_once): New function.
        
        * ira-color.c: Use ALLOCNO_UPDATED_MEMORY_COST instead of
        ALLOCNO_ORIGINAL_MEMORY_COST, ALLOCNO_UPDATED_HARD_REG_COSTS
        instead of ALLOCNO_CURR_HARD_REG_COSTS, and
        ALLOCNO_UPDATED_CONFLICT_HARD_REG_COSTS instead of
        ALLOCNO_CURR_CONFLICT_HARD_REG_COSTS.  Use
        ALLOCNO_TOTAL_CONFLICT_HARD_REGS instead of
        ALLOCNO_CONFLICT_HARD_REGS.
        (processed_allocno_bitmap): Rename into
        processed_coalesced_allocno_bitmap.
        (allocno_cost_compare_func): Use ALLOCNO_UPDATED_MEMORY_COST
        instead of ALLOCNO_MEMORY_COST.
        (assign_hard_reg): Remove biased coloring.
        (add_allocno_to_ordered_bucket): Check cover class first.
        (loop_edge_freq): Make it external.
        (setup_allocno_left_conflicts_num): Check that conflicting
        allocnos of one class.
        (allocno_conflict_p): Rename to coalesced_allocno_conflict_p.
        (color_pass): Check pressure in the loop (not in subloops) for
        mixed algorithm.
        (allocno_priorities): New variable.
        (start_allocno_priorities, finish_allocno_priorities): New
        functions.
        (allocno_priority_compare_func): Use allocno_priorities.
        (priority_coloring): Call start_allocno_priorities and
        finish_allocno_priorities.
        (do_coloring): Pass additional argument to traverse_loop_tree.
        
        * ira-emit.c (struct move): Add member insn.
        (create_move): Initialize member insn.
        (generate_edge_moves): Set up ALLOCNO_MEM_OPTIMIZED_DEST and
        ALLOCNO_MEM_OPTIMIZED_DEST_P.
        (change_loop): Check prohibited_mode_move_regs.
        (curr_jump_map, can_move_through_p): Remove.
        (unify_moves): Don't move through jump.
        (modify_move_list): Set up attributes for new allocno used for
        breaking dependency loops.
        (emit_move_list): Set up insn codes.
        (update_costs, add_range_and_copies_from_move_list,
        add_ranges_and_copies): New functions.
        (ira_emit): Add a parameter.  Call add_ranges_and_copies.
        
2007-10-09  Vladimir Makarov  <vmakarov@redhat.com>

        * toplev.h (flag_ira_coalesce): New external variable.

        * ira-int.h (allocno): New members first_coalesced_allocno,
        next_coalesced_allocno.
        (ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO):
        New macros.
        (reg_class_subintersect): New external variable.

        * ira-color.c (processed_allocno_bitmap): New variable.
        (allocno_cost_compare_func, print_coalesced_allocno): New
        functions.
        (assign_hard_reg): Process coalesced allocnos.
        (get_coalesced_allocnos_best_class_and_freq): New function.
        (add_allocno_to_ordered_bucket): Use the function.
        (push_allocno_to_stack, push_allocnos_to_stack): Process coalesced
        allocnos.
        (remove_allocno_from_bucket_and_push, pop_allocnos_from_stack):
        Use print_coalesced_allocno.
        (setup_allocno_available_regs_num,
        setup_allocno_left_conflicts_num): Process coalesced allocnos.
        (copy_freq_compare_func, allocno_conflict_p, coalesce_allocnos):
        New functions.
        (color_allocnos): Allocate/free processed_allocno_bitmap.  Call
        coalesce_allocnos.
        (priority_coloring): Allocate/free processed_allocno_bitmap.

        * ira-build.c (check_coalesced_allocnos): New function.
        (create_allocno): Initiate next_coalesced_allocno,
        first_coalesced_allocno.
        (create_cap_allocno): Check  next_coalesced_allocno,
        first_coalesced_allocno.

        * common.opt (fira-coalesce): New option.

        * ira.c (setup_reg_class_intersect): New function.
        (reg_class_subintersect): New global variable.
        (init_ira_once): Call setup_reg_class_intersect.

        * doc/invoke.texi (-fira-coalescing): New option.
        
2007-09-20  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-build.c (create_allocno): Initialize ALLOCNO_BEST_CLASS.

        * ira-color.c (add_allocno_to_ordered_bucket): Use
        ALLOCNO_BEST_CLASS.

        * ira-costs.c (setup_allocno_cover_class_and_costs): Initialize
        ALLOCNO_BEST_CLASS.

        * ira-int.h (allocno): New member best_class.
        (ALLOCNO_BEST_CLASS): New macro.
        
2007-09-19  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-int.h (allocno): Remove calls_crosed.  Add
        calls_crossed_start.
        (ALLOCNO_CALLS_CROSSED): Remove.
        (ALLOCNO_CALLS_CROSSED_START): Add.
        (build_df): Remove.
        (regno_calls, add_regno_call): New.
        
        * ira-build.c (initiate_calls, finish_calls, add_regno_call): New
        functions.
        (regno_calls, regno_calls_num): New globals.
        (build_df): Remove.
        (add_loop_to_tree): Use loop_outer.
        (form_loop_tree): Ditto.
        (initiate_allocnos, create_cap_allocno): Remove
        ALLOCNO_CALLS_CROSSED.  Add ALLOCNO_CALLS_CROSSED_START.
        (finish_allocnos): Remove ALLOCNO_CALLS_CROSSED.
        (create_bb_allocnos, create_loop_allocnos): Use DF_LR_{IN,OUT}
        instead of DF_UPWARD_LIVE_{IN,OUT}.
        (ira_build): Remove adding df problems and call of
        free_dominance_info.  Call initiate_calls.
        (ira_destroy): Add free_dominance_info and finish_calls.  Remove
        df_finish.

        * ira-emit.c (change_regs): Return the result.
        (generate_edge_moves): Use DF_LR_{IN,OUT} instead of
        DF_UPWARD_LIVE_{IN,OUT}.
        (change_loop): Call df_insn_rescan and df_note_rescan if there is
        a change.
        (can_move_through_p): Use hard_reg_set_equal_p instead of
        GO_IF_HARD_REG_EQUAL.

        * ira-costs.c (copy_cost, record_reg_classes,
        record_address_regs): Call init_move_cost if it is necessary.
        (tune_allocno_costs_and_cover_classes): Use regno_calls and
        ALLOCNO_CALLS_CROSSED_START instead of ALLOCNO_CALLS_CROSSED.

        * ira-conflicts.c (n_regs_set): Remove.
        (regs_set): Make it a vector.
        (mark_reg_store, mark_reg_clobber): Change 2nd parameter type.
        (process_bb_node_for_conflicts): Use DF_LR_IN instead of
        DF_UPWARD_LIVE_IN.  Call add_regno_call.  Initialize
        ALLOCNO_CALLS_CROSSED_START.  Remove ALLOCNO_CALLS_CROSSED.
        (build_conflict_bit_table): Initialize and finalize regs_set.
        (propagate_allocno_info): Remove ALLOCNO_CALLS_CROSSED.
        Initialzie ALLOCNO_CALLS_CROSSED_START.
        
        * ira-color.c (setup_allocno_available_regs_num,
        setup_allocno_left_conflicts_num): New functions.
        (update_allocno_avaialable_regs): Remove.
        (sorted_allocnos, allocno_stack_varray): Move upper.
        (assign_hard_reg): Use hard_reg_set_subset_p instead of
        GO_IF_HARD_REG_SUBSET.
        (loop_edge_freq): Use DF_LR_{IN,OUT} instead of
        DF_UPWARD_LIVE_{IN,OUT}.
        (put_allocno_into_bucket): Call setup_allocno_available_regs_num
        and setup_allocno_left_conflicts_num.
        (print_loop_title): Use loop_depth.
        (allocno_priority_compare_func): Remove REG_N_REFS and
        REG_LIVE_LENGTH.
        (retry_ira_color): Use SET_REGNO.  Use ALLOCNO_CALLS_CROSSED_NUM
        instead of ALLOCNO_CALLS_CROSSED.
        (collect_pseudo_call_clobbered_regs):  Use regno_calls and
        ALLOCNO_CALLS_CROSSED_START instead of ALLOCNO_CALLS_CROSSED.

        * ira-call.c (init_ira_call_data): Add argument to
        post_order_compute.
        (n_regs_set): Remove.
        (regs_set): Make it a vector.
        (mark_reg_store, mark_reg_clobber): Change 2nd parameter type.
        (mark_referenced_regs): Check null x.
        (put_save_restore_and_calculate_local_info): Initialize and
        finalize regs_set.  Use DF_LR_{IN,OUT} instead of
        DF_UPWARD_LIVE_{IN,OUT}.  Use loop_outer.
        (do_init_nothing): Remove.
        (save_trans_fun, save_con_fun_0, restore_trans_fun,
        restore_con_fun_0): Remove 1st parameter.
        (save_con_fun_n, restore_con_fun_n): Ditto.  Use
        df_simple_dataflow instead of df_analyze_problem.
        (put_save_restore): Use DF_LR_IN instead of DF_UPWARD_LIVE_IN.
        Call mark_all_referenced_regs for all insn.  Use bitmap progress.
        (get_move_insn): New function.
        (put_save_restore_and_calculate_local_info, put_save_restore): Use
        the function.

        * ira.c (insn_contains_asm_1, insn_contains_asm,
        compute_regs_asm_clobbered, expand_reg_info): New functions.
        (setup_class_subset_and_move_costs): Use hard_reg_set_subset_p
        instead of GO_IF_HARD_REG_SUBSET.
        (setup_reg_subclasses, setup_class_translate): Ditto. Use
        hard_reg_set_equal_p instead of GO_IF_HARD_REG_EQUAL.
        (setup_eliminable_regset): Call compute_regs_asm_clobbered.  Use
        df_set_regs_ever_live instead of regs_ever_live.
        (setup_reg_renumber): Check reg_equiv_const and
        reg_equiv_invariant_p.
        (ira): Remove no_new_pseudos. Add df-problems and analyze.  Call
        regstat_init_n_sets_and_refs and regstat_compute_ri.  Remove
        delete_unreachable_blocks.  Use expand_reg_info.  Move
        setup_preferred_alternate_classes upper.  Remove life_analysis.
        Prepare df-insfrastructure for reload.

        * regclass.c (setup_reg_classes): Don't use reg_pref_buffer.

        * function.[ch] (get_call_invalidated_used_regs): Change 1st
        parameter type.
        
        * gengtype.c (main): Add HARD_REG_SET.

        * alias.c (value_addr_p): New function.
        (nonoverlapping_memrefs_p): Use it.

        * caller-save.c (init_caller_save): Use DF_LR_TOP for IRA instead
        of global_live_at_start.
        
2007-05-04  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-conflicts.c: Change pseudo to allocno.
        * ira-color.c: Ditto.
        * ira-emit.c: Ditto.
        * ira-build.c: Ditto.
        * ira.c: Ditto.
        (important_classes_num, important_classes): New variables.
        (setup_cover_classes): Set up the variable values.
        * ira-costs.c: Ditto.
        (record_reg_classes, record_address_regs, scan_one_insn,
        find_pseudo_class_costs):  Process only important classes.
        * ira-call.c: Ditto.  Add comments about placement optimization.
        * ira-int.h: Ditto.
        (allocno) Use one bit field for boolean members.
        (important_classes_num, important_classes): New external
        definitions.

2007-03-16  Vladimir Makarov  <vmakarov@redhat.com>

        * flags.h (ira_algorithm): Add IRA_ALGORITHM_MIXED.

        * opts.c (common_handle_option): Set up IRA_ALGORITHM_MIXED from
        the option argument.
        
        * common.opt (fira-assign-after-call-split, fira-propagate-cost,
        fira-split-around-calls): New options.
        (fira-ipra): Switch off by default.
        
        * doc/invoke.texi (-fira-algorithm): Add mixed algorithm.
        (-fno-ira-ipra): Rename to -fira-ipra.
        (-fno-ira-assign-after-call-split, -fira-propagate-cost,
        -fno-ira-split-around-calls): Add new options.
        
        * ira-conflicts.c (curr_reg_pressure): New variable.
        (set_pseudo_live, clear_pseudo_live, mark_reg_store,
        mark_reg_death): Update reg pressure.
        (add_pseudo_copies): Decrease cost for copy with dead pseudo.
        (process_bb_node_for_conflicts): Propagate reg pressure.
        (build_conflict_bit_table): Call process_bb_node_for_conflicts in
        preorder.
        (ira_build_conflicts): Add new coloring algorithm.
        (ira_build_conflicts): Add flag_ira_split_around_calls.

        * ira-emit.c (change_loop): Print allocation on the region
        borders.  Use pseudo_cap_member instead of regno.
        (modify_move_list): Add parameter to create pseudo.
        (ira_emit): Use pseudo_cap_member instead of regno.
        
        * ira-build.c (create_loop_tree_nodes): Set up initial reg
        pressure.
        (create_pseudo): Add parameter.  Use the parameter value instead
        of regno.
        (print_expanded_pseudo): Use pseudo_cap_member instead of regno.
        (create_cap_pseudo, create_insn_pseudos, create_bb_pseudos,
        create_loop_pseudos): Add argument to create_pseudo call.
        (create_pseudos, ira_build): Process IRA_ALGORITHM_MIXED.
        (create_loop_tree_node_caps):  Create cap pseudo for all pseudos
        not having father pseudo.
        
        * final.c (rest_of_handle_final): Process INCOMING_REGNO.

        * toplev.h (flag_ira_assign_after_call_split,
        flag_ira_propagate_cost, flag_ira_split_around_calls): New flags.

        * caller-save.c (save_call_clobbered_regs): Move declaration
        this_insn_sets to the function start.
        
        * ira-int.h (ira_loop_tree_node): Add reg_pressure.
        (pseudo): More comments for regno and cap_member
        (original_regno_call_crossed_p, ira_max_regno_before,
        ira_max_regno_call_before): New external variables.
        (create_pseudo): Add parameter.
        (reassign_conflict_pseudos, debug_ira_call_data,
        split_around_calls, get_around_calls_regno): New function
        prototypes.

        * ira-color.c (assign_hard_reg): Set best_hard_regno and
        conflict_regs earlier.  Check register availability earlier.
        Ignore conflict and copy cost for PSEUDO_MAY_BE_SPILLED_P.
        (calculate_pseudo_spill_cost): Use pseudo_cap instead of regno.
        Check father pseudo instead of subloop pseudos.
        (pop_pseudos_from_stack): Set up PSEUDO_ASSIGNED_P for NO_REGS
        pseudo.
        (print_loop_title): Print reg pressure.
        (color_pass): Use PSEUDO_CAP_MEMBER instead of regno.  Add mixed
        coloring algorithm.
        (move_spill_restore): Use PSEUDO_CAP_MEMBER instead of regno.  Use
        subloop pseudos instead of father pseudo for cost calculation.
        (setup_curr_costs, reassign_conflict_pseudos): New functions.
        (retry_ira_color): Don't allocate call used registers when
        flag_caller_saves or flag_ira_split_around_calls.  Call
        setup_curr_cost.  Print about spilling pseudo split around calls.
        (reuse_stack_slot): Choose the slot with minimal memory-memory
        costs.

        * ira.c (setup_reg_renumber): Add 2 parameters.  Use cap_number
        instead of regno.  Initialize caller_save_needed.  Make assertion
        stricter.
        (setup_pseudo_assignment_from_reg_renumber): New function.
        (calculate_allocation_cost): Add assertion.
        (print_redundant_copies): Use cap_number instead of regno.
        (original_regno_call_crossed_p, ira_max_regno_before,
        ira_max_regno_call_before): New global variables.
        (ira): Process IRA_ALGORITHM_MIXED.  Set up
        ira_max_regno_call_before and ira_max_regno_before.  New arguments
        for setup_reg_renumber.  Reassign if pseudo changed its class.
        Split pseudos around the call if necessary.  Reassign if a pseudo
        is split.

        * ira.h: New year for Copyright.

        * ira-costs.c (reg_pref): Rename to pseudo_pref.
        (reg_pref_buffer): rename to pseudo_pref_buffer.
        (find_pseudo_class_costs): Initialize best_cost and best_class.
        Process IRA_ALGORITHM_MIXED.  Find best cover class for regno.
        (process_bb_node_for_hard_reg_moves): Process IRA_ALGORITHM_MIXED.

        * Makefile.in (ira-call.o): Add new file.

        * reload1.c (calculate_needs_all_insns): Remove unnecessary
        memory-memory move.

        * ira-call.c: New file.
        
2007-02-09  Vladimir Makarov  <vmakarov@redhat.com>

        * common.opt (fipra): Rename to fira-ipra.  Make it default.
        (fira-move-spills, fira-share-save-slots, fira-share-spill-slots):
        New.
        * toplev.h (flag_ipra): Rename to flag_ira_ipra.
        (flag_ira_move_spills, flag_ira_share_save_slots,
        flag_ira_share_spill_slots): New external definitions.
        * doc/invoke.texi (-fipra): Rename to -fno-ira-ipra. 
        (-fno-ira-move-spills, -fno-ira-share-save-slots,
        -fno-ira-share-spill-slots): New options.
        * function.c (get_call_invalidated_used_regs): Rename flag_ipra to
        flag_ira_ipra.
        * ira-costs.c (tune_pseudo_costs_and_cover_classes): Ditto.
        * caller-save.c (setup_save_areas): Use flag_ira_share_save_slots.
        Rename flag_ipra to flag_ira_ipra.
        (flag_ira_share_save_slots): Use flag_ira_move_spills.
        * ira-color.c (assign_hard_reg): Skip pseudos with different cover
        class.
        (reuse_stack_slot): Use flag_ira_share_spill_slots.
        * config/arm/arm.h (IRA_COVER_CLASSES): New macro.
        
2007-02-31  Vladimir Makarov  <vmakarov@redhat.com>

        * reload.h (debug_save_data): New definition.
        
        * caller-save.c (struct bb_info): New.
        (BB_INFO, BB_INFO_BY_INDEX): New macros.
        (calculate_local_save_info, set_up_bb_rts_numbers, rpost_cmp,
        calculate_save_in_out, calculate_save_here,
        make_global_save_analysis, print_hard_reg_set_and_mode,
        print_hard_reg_set, print_save_data, debug_save_data,
        set_hard_reg_saved): New functions.
        (save_call_clobbered_regs): Make global save analysis and use it
        to put save/restore code.
        (insert_one_insn): Check CODE_LABEL.

2007-01-19  Vladimir Makarov  <vmakarov@redhat.com>

        * toplev.h (flag_ipra): New external definition.

        * common.opt (fipra): New option.

        * doc/invoke.texi (-fipra); Document the option.

        * cgraph.h (cgraph_node): New member function_used_regs.

        * cgraph.c (cgraph_create_node): Initialize function_used_regs.

        * final.c (update_regs_ever_live): New function.
        (rest_of_handle_final): Set up function_used_regs and
        call_used_regs.

        * ira-build.c (ira_build): Clear function call_used_regs.

        * function.h: Add hard-reg-set.h header.
        (emit_status): New member call_used_regs.
        (get_call_invalidated_used_regs): New definition.

        * function.c (get_call, get_call_invalidated_used_regs): New
        functions.

        * Makefile.in (FUNCTION_H): Add hard-reg-set.h.
        (caller-save.o): Add dependence on output.h and ira.h

        * regrename.c (copyprop_hardreg_forward_1): Use function
        get_call_invalidated_used_regs.

        * ira-conflicts.c (process_bb_node_for_conflicts): Ditto.

        * postreload-gcse.c (record_opr_changes,
        reg_set_between_after_reload_p, reg_used_between_after_reload_p):
        Ditto.

        * postreload.c (reload_combine, reload_cse_move2add): Ditto.

        * rtlanal.c (reg_set_between_p): Ditto.

        * flow.c (propagate_one_insn): Ditto.

        * df-scan.c (df_insn_refs_record): Ditto.

        * gcse.c (compute_hash_table_work, compute_store_table): Ditto.

        * cselib.c (cselib_process_insn): Ditto.

        * loop-iv.c (simplify_using_assignment): Ditto.

        * sched-deps.c (sched_analyze): Ditto.

        * combine.c (record_dead_and_set_regs): Ditto.

        * resource.c (mark_set_resources, mark_set_resources): Ditto.

        * var-tracking.c (var-tracking.c): Ditto.

        * reload1.c (reload): Ditto.

        * cse.c (invalidate_for_call): Ditto.  Add parameter.
        (cse_insn): Pass the parameter.

        * ira.h (try_to_migrate): Remove the definition.
        (collect_pseudo_call_clobbered_regs): New external definition.

        * ira-color.c (collect_pseudo_call_clobbered_regs): New function.

        * ira-costs.c (tune_pseudo_costs_and_cover_classes): Add cost
        calculation when IPRA is used.

        * caller-save.c: Include headers output.h and ira.h.
        (saved_hard_reg): New structure.
        (hard_reg_map, hard_reg_map, all_saved_regs): New variables.
        (all_saved_regs, new_saved_hard_reg, finish_saved_hard_regs,
        saved_hard_reg_compare_func): New functions.
        (setup_save_areas): Add code for sharing stack slots.
        (save_call_clobbered_regs): Use function
        get_call_invalidated_used_regs.
        
2007-01-12  Vladimir Makarov  <vmakarov@redhat.com>

        * doc/tm.texi (IRA_HARD_REGNO_ADD_COST_MULTIPLIER): New macro.

        * ira-conflicts.c (add_pseudo_copies): Add copy between output and
        died operand pseudos.

        * ira.c (setup_cover_classes, setup_class_translate): Define and
        call only when IRA_COVER_CLASSES is defined.
        (no_alloc_regs): Rename to no_unit_alloc_regs.
        (setup_eliminable_regset): Set up no_alloc_regs.

        * ira-costs.c (tune_pseudo_costs_and_cover_classes): Modify cost
        if IRA_HARD_REGNO_ADD_COST_MULTIPLIER is defined.

        * config/s390/s390.h (IRA_COVER_CLASSES,
        IRA_HARD_REGNO_ADD_COST_MULTIPLIER(regno)): Define.
        
2006-12-22  Vladimir Makarov  <vmakarov@redhat.com>

        * rtl.h (setup_reg_classes): New function prototype.
        
        * regclass.c (setup_reg_classes): New function.

        * global.c (global_alloc): Dump information about register
        assigning.

        * ira-int.h (ira_build): Change prototype signature.

        * ira-color.c (pseudo_compare_func): Rename to
        pseudo_priority_compare_func.
        (priority_coloring): Dump information about register
        assigning.

        * ira-build.c (ira_build): Return true if we have loops for the
        allocation.

        * ira.c (setup_preferred_alternate_classes): New function.
        (ira): Use it instead of regclass.  Rebuild only if we have loops.

2006-12-15  Vladimir Makarov  <vmakarov@redhat.com>

        * ira.h, ira-int.h, ira.c, ira-build.c, ira-costs.c
        ira-conflicts.c, ira-color.c, ira-emit.c: New files.

        * flags.h (ira_algorithm): New enumeration.
        (flag_ira_algorithm): New external variable declaration.

        * tree-pass.h (pass_ira): New external variable declaration.

        * toplev.c (ira.h): New include.
        (flag_ira_algorithm): New global variable.
        (backend_init): Call init_ira_once.

        * toplev.h (flag_ira, flag_ira_biased_coloring): New external
        variable declarations.

        * regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
        may_move_out_cost): New external variable declarations.
        
        * caller-save.c (no_caller_save_reg_set): New global variable.
        (init_caller_save): Set up no_caller_save_reg_set.
        
        * global.c (eliminable_regset): Make it external.
        (gate_handle_global_alloc): New function.
        (pass_global_alloc): Add the gate function.

        * opts.c (decode_options):  Print the warning for -fira.
        (common_handle_option): Process -fira-algorithm option.

        * timevar.def (TV_IRA): New pass.

        * hard-reg-set.h (no_caller_save_reg_set): New external variable
        declaration.

        * regmove.c (regmove_optimize): Don't do replacement of output
        operands by input operands.
        (rest_of_handle_regmove): Don't do CFG cleanup for IRA.

        * local-alloc.c (update_equiv_regs): Make it external.  Return
        true if jump label rebuilding should be done.
        (gate_handle_local_alloc): New function.
        (pass_local_alloc): Add the gate function.

        * alias.c (stack_addr_p): New function.
        (nonoverlapping_memrefs_p): Add code for IRA.

        * common.opt (fira, fira-algorithm, fira-biased-coloring): New
        options.

        * regclass.c (contains_reg_of_mode, move_cost, may_move_in_cost,
        may_move_out_cost): Make the variables external.
        
        * rtl.h (eliminable_regset): New external variable declaration.
        (update_equiv_regs): New external function definition.

        * Makefile.in (IRA_INT_H): New definition.
        (OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
        ira-conflicts.o, ira-color.o, and ira-emit.o.
        (reload1.o, toplev.o): Add dependence on ira.h.
        (ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
        ira-emit.o): New entries.

        * passes.c (pass_ira): New pass.

        * reload1.c (alter_reg): Add a new parameter.
        (pseudo_reg_compare): New function.
        (reload): Sort pseudos for IRA.  Call alter_reg with the
        additional parameter.
        (count_spilled_pseudo): New variable freq.  Use it.
        (alter_reg): Add code for IRA.
        (eliminate_regs_1, finish_spills, emit_input_reload_insns,
        delete_output_reload): Use additional parameter for alter_reg.
        (finish_spills, emit_input_reload_insns, delete_output_reload):
        Call mark_allocation_change.
        (finish_spills): Call retry_ira_color.
        
        * doc/invoke.texi: Describe new options -fira,
        -fira-biased-coloring, and -fira-algorithm.
        
        * doc/passes.texi: Decribe IRA.

        * doc/tm.texi:  Decribe macro IRA_COVER_CLASSES.
        
        * config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.

        * config/i386/i386.h (IRA_COVER_CLASSES): Ditto.

        * config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.

        * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
        
        Richard Henderson  <rth@redhat.com>

        * tree-pass.h (pass_lower_subreg): New external definition.
        * toplev.h (flag_lower_subreg): New external definition.
        * rtl.def (CONCATN): New rtl expression.
        * dwarf2out.c (concatn_loc_descriptor): New function.
        (loc_descriptor): Process CONCATN.
        * timevar.def (TV_LOWER_SUBREG): New definition.
        * emit-rtl.c (gen_reg_rtx_offset): New function.
        (gen_lowpart_common): Process CONCATN.
        * simplify-rtx.c (simplify_subreg): Process CONCATN.
        * common.opt (flower-subreg): New options.
        * rtl.h (gen_reg_rtx_offset): New external definition.
        * Makefile.in (OBJS-common): Add lower-subreg.o.
        (lower-subreg.o): New entry.
        * passes.c (pass_lower_subreg): Add new pass.
        * lower-subreg.c: New file.
        
2008-03-28  Rafael Espindola  <espindola@google.com>

        * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
        (tree_binary_nonnegative_warnv_p): Make it public.
        (tree_single_nonnegative_warnv_p): Make it public.
        (tree_invalid_nonnegative_warnv_p): Make it public.
        (tree_unary_nonzero_warnv_p): Make it public.
        (tree_binary_nonzero_warnv_p): Make it public
        (tree_single_nonzero_warnv_p): Make it public.
        * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
        (extract_range_from_binary_expr): Split the expr argument.
        (extract_range_from_unary_expr): Split the expr argument.
        (extract_range_from_comparison): Split the expr argument.
        (extract_range_from_expr): Use the new aux functions.
        (vrp_evaluate_conditional_warnv): Use
        vrp_evaluate_conditional_warnv_with_ops.
        * tree.h (tree_unary_nonzero_warnv_p): Declare.
        (tree_binary_nonzero_warnv_p): Declare.
        (tree_single_nonzero_warnv_p): Declare.
        (tree_expr_nonzero_warnv_p): Declare.
        (tree_unary_nonnegative_warnv_p): Declare.
        (tree_binary_nonnegative_warnv_p): Declare.
        (tree_single_nonnegative_warnv_p): Declare.
        (tree_invalid_nonnegative_warnv_p): Declare.

2008-03-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/30317
        PR tree-optimization/30911
        PR tree-optimization/34793
        * tree-vrp.c (set_and_canonicalize_value_range): New function.
        (struct assert_locus_d): New member EXPR.
        (register_new_assert_for): Add EXPR parameter to support
        ASSERT_EXPR <name, expr OP limit>.
        (register_edge_assert_for_1): Adjust callers.
        (find_assert_locations): Likewise.
        (process_assert_insertions_for): Build condition from
        expression.
        (extract_range_from_assert): Handle ASSERT_EXPRs
        of the form ASSERT_EXPR <name, expr OP limit>.
        (register_edge_assert_for_2): New helper registering
        asserts for comparisons.  Recognize range tests of the form
        (unsigned)i - CST1 OP CST2.
        (register_edge_assert_for_1): Use it.
        (register_edge_assert_for): Likewise.
        (needs_overflow_infinity): Integer sub-types
        do not need overflow infinities.
        (vrp_val_is_max): The extreme values of integer sub-types
        are those of the base type.
        (vrp_val_is_min): Likewise.
        * tree.def (ASSERT_EXPR): Document extra allowed conditional
        expressions.

2008-03-28  Nick Clifton  <nickc@redhat.com>

        * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
        Return GENERAL_REGS for stack adjustment reloads.

2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR target/31334
        * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
        const_vector when all the vectors are constant.

2008-03-27  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
        comparisons.
        * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
        (any_scc_sf): Add uneq, unlt, unle and unordered operators.
        (scc_sf): New.
        (s<code>_sf): Use new scc_sf attribute for opcode names.

2008-03-27  Tom Tromey  <tromey@redhat.com>

        * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
        configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
        config/spu/t-spu-elf, config/i386/t-interix,
        config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
        config/i386/x-darwin, config/i386/x-mingw32,
        config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
        config/sh/t-sh, config/sh/t-symbian, config/x-linux,
        config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
        config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
        config/rs6000/x-rs6000, config/rs6000/x-darwin64,
        config/rs6000/x-darwin, config/rs6000/t-rs6000,
        config/score/t-score-elf, config/arm/t-strongarm-pe,
        config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
        config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
        Revert automatic dependency patch.

2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/35657
        * config/i386/i386.c (ix86_function_arg_boundary): Align
        decimal floating point to its natural boundary.

2008-03-27  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35716
        * fold-const.c (fold_comparison): Restrict distinct decl
        comparison folding to VAR_DECLs and PARM_DECLs.  Do not
        solely rely on operand_equal_p.

2008-03-27  Richard Guenther  <rguenther@suse.de>

        PR c/32511
        * c-common.c (handle_weak_attribute): Reject combination of
        weak and inline.

2008-03-27  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/32810
        * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
        conversions from DECL_INITIAL.
        (fold_const_aggregate_ref): Likewise from constructor elements.

2008-03-27  Zdenek Dvorak  <ook@ucw.cz>

        * tree-affine.h (aff_combination_expand): Declare.
        (get_inner_reference_aff): Likewise.
        * tree-affine.c (aff_combination_expand): Split out from
        tree_to_aff_combination_expand.
        (get_inner_reference_aff): New function.
        * tree-parloops.c (loop_parallel_p): Free vectorizer info.
        * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
        (struct lim_aux_data): sm_done field removed.
        (mem_ref_loc_p, mem_ref_locs_p): New types.
        (struct mem_ref): Added id, stored, accesses_in_loop,
        indep_loop, dep_loop, indep_ref, dep_ref fields.
        Removed is_stored, locs and next fields.
        (memory_accesses): New variable.
        (movement_possibility): Do not allow moving statements
        that store to memory.
        (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
        New functions.
        (determine_max_movement): For statements with memory references,
        find the outermost loop in that the reference is independent.
        (move_computations_stmt): Mark the virtual operands for
        renaming.
        (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
        gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
        vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
        add_vop_ref_mapping, create_vop_ref_mapping_loop,
        create_vop_ref_mapping, analyze_memory_references,
        cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
        get_all_locs_in_loop, ref_always_accessed_p,
        refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
        ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
        store_motion_loop, store_motion): New functions.
        (struct vop_to_refs_elt): New type.
        (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
        memref_hash, memref_eq, hoist_memory_references): Rewritten.
        (schedule_sm): Replaced by...
        (execute_sm): ... this.
        (determine_lsm_ref, hoist_memory_references,
        loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
        find_more_ref_vops, free_mem_ref, free_mem_refs,
        determine_lsm_loop, determine_lsm): Removed.
        (tree_ssa_lim_finalize): Free data structures used by store
        motion.
        (tree_ssa_lim): Call analyze_memory_references.  Use
        store_motion instead of determine_lsm.

2008-03-27  Paolo Bonzini  <bonzini@gnu.org>

        * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
        rename tmake_file to m68hc11/t-m68hc11.
        (mcore): Set inhibit_libc to true.
        * config.host (alpha*-dec-*vms*): Set extra_programs.
        (interix3*): Don't use host_xmake_file.
        * configure.ac: Let config.gcc override inhibit_libc.
        * configure: Regenerate.

        * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
        * config/t-openbsd-thread: Remove commented out lines.
        
        * config/x-interix: Remove.

        * config/m68hc11/t-m68hc11-gas: Rename to...
        * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.

        * config/mcore/t-mcore: Remove T_CFLAGS.
        * config/mcore/t-mcore-pe: Likewise.

2008-03-27  Paolo Bonzini  <bonzini@gnu.org>

        * configure.ac: Replace custom __GNU_SOURCE test with
        AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
        * aclocal.m4: Regenerate.
        * configure: Regenerate.
        * config.in: Regenerate.

2008-03-27  Richard Guenther  <rguenther@suse.de>

        * fold-const.c (target.h): Include.
        (fold_comparison): Fold comparison of addresses of decls
        that bind locally or of constants.  Consolidate address folding code.
        * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
        results from fold_binary_to_constant.
        (compare_values_warnv): Likewise.

2008-03-27  Andrew Pinski  <pinskia@gmail.com>

        PR middle-end/35429
        * fold-const.c (fold_truthop): Check for integeral types when folding
        a == 0 && b == 0 and a != 0 || b != 0 .

2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.

2008-03-26  Andreas Schwab  <schwab@suse.de>

        * doc/invoke.texi: Fix use of @item vs. @itemx.

2008-03-26  Tom Tromey  <tromey@redhat.com>

        * Makefile.in (build/gensupport.o, build/print-rtl.o,
        build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
        build/genattrtab.o, build/genautomata.o, build/gencheck.o,
        build/gencodes.o, build/genconditions.o, build/genconfig.o,
        build/genconstants.o, build/genemit.o, build/genextract.o,
        build/genflags.o, build/genmddeps.o, build/genopinit.o,
        build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
        options.h.

2008-03-26  Richard Guenther  <rguenther@suse.de>

        Revert
        2008-03-26  Richard Guenther  <rguenther@suse.de>

        * fold-const.c (target.h): Include.
        (fold_comparison): Fold comparison of addresses of two decls
        that bind locally.  Consolidate address folding code.

2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (expand_builtin_pow, fold_builtin_cabs,
        fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
        fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
        dconstsqrt2, dconstthird, dconste and/or dconst10.
        * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
        * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
        dconstsqrt2, dconste): Delete.
        (init_emit_once): Likewise.  Simplify initializing dconstm1.
        Constify variable.
        * real.c (get_real_const): New.
        * real.h (dconst3, dconst10, dconstm2, dconstthird,
        dconstsqrt2, dconste): Delete.
        (real_value_const, get_real_const): New.

2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.

        * config/i386/i386.c (ix86_function_arg_boundary): Check
        BIGGEST_ALIGNMENT instead of 128.
        (setup_incoming_varargs_64): Likewise.

2008-03-26  Tom Tromey  <tromey@redhat.com>

        * Makefile.in (DEPFILES): Add missing '/'.

2008-03-26  Richard Guenther  <rguenther@suse.de>

        * fold-const.c (target.h): Include.
        (fold_comparison): Fold comparison of addresses of two decls
        that bind locally.  Consolidate address folding code.

2008-03-26  Nick Clifton  <nickc@redhat.com>

        PR target/31232
        * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
        not allow INT+INT as a legitimate addressing mode.

2008-03-26  Richard Guenther  <rguenther@suse.de>

        * tree-flow.h (widen_bitfield): Remove declaration.
        * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
        (widen_bitfield): Remove function.
        * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
        code.

2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR target/31558
        * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
        error_mark_node's.

2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>

        PR rtl-optimization/35232
        * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
        (forget_old_reloads_1, forget_marked_reloads): Don't clear
        reg_reloaded_call_part_clobbered here.
        (reload_regs_reach_end_p): New function.
        (reload_reg_rtx_for_input): New variable.
        (reload_reg_rtx_for_output): Likewise.
        (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
        when reassigning a pseudo register.  Load reloadreg from 
        reload_reg_rtx_for_input, moving the mode and register
        calculation to...
        (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
        instead of the original when deciding whether an input reload
        would be a no-op or whether an output reload can be deleted.
        (emit_output_reload_insns): Use the mode-adjusted reg_rtx
        when setting up new_spill_reg_store.  Load it from
        reload_reg_rtx_for_output, moving the mode and register
        calculation to...
        (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
        instead of the original when deciding whether an output reload
        would be a no-op.  Do the same when modifying insn notes.
        Use rtx_equal_p instead of == to compare the registers.
        (inherit_piecemeal_p): Take a mode and two register numbers
        as argument.
        (emit_reload_insns): Clear new_spill_reg_store for every hard
        register in the reload register.  Remove spill registers
        from reg_reloaded_valid before considering whether to record
        inheritance information for them.  Use reload_reg_rtx_for_output
        instead of reg_rtx when recording output reloads.  Use
        reload_reg_rtx_for_input instead of reg_rtx when recording
        input reloads.  Set or clear reg_reloaded_call_part_clobbered
        at the same time as setting reg_reloaded_valid.
        (delete_output_reload): Add a new_reload_reg parameter and use it
        instead of rld[j].reg_rtx.
        (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
        calls accordingly.

2008-03-25  Tom Tromey  <tromey@redhat.com>

        * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
        (build/genattr.o): Likewise.
        (build/genattrtab.o): Likewise.
        (build/gencodes.o): Likewise.
        (build/genconfig.o): Likewise.
        (build/genconstants.o): Likewise.
        (build/genemit.o): Likewise.
        (build/genextract.o): Likewise.
        (build/genflags.o): Likewise.

2008-03-25  Bob Wilson  <bob.wilson@acm.org>
        
        * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
        instead of size_int for integer types.
        (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
        to match type of MINUS_EXPR.
        
2008-03-25  Tom Tromey  <tromey@redhat.com>

        * configure: Rebuilt.
        * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
        Makefile.

2008-03-25  Tom Tromey  <tromey@redhat.com>

        * config/x-solaris (host-solaris.o): Update.
        * config/x-linux (host-linux.o): Update.
        * config/x-hpux (host-hpux.o): Update.
        * config/x-darwin (host-darwin.o): Update.
        * config/v850/t-v850e (v850-c.o): Update.
        * config/v850/t-v850 (v850-c.o): Update.
        * config/t-vxworks (vxworks.o): Update.
        * config/t-sol2 (sol2-c.o, sol2.o): Update.
        * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
        * config/spu/t-spu-elf (spu-c.o): Update.
        (spu.o): Remove.
        * config/sh/t-symbian (sh-c.o): Update.
        (symbian.o): Update.
        * config/sh/t-sh (sh-c.o): Update.
        * config/score/t-score-elf (score7.o, score3.o): Update.
        * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
        * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
        * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
        * config/rs6000/t-rs6000 (rs6000-c.o): Update.
        (rs6000.o): Remove.
        * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
        * config/m32c/t-m32c (m32c-pragma.o): Update.
        * config/ia64/t-ia64 (ia64-c.o): Update.
        * config/i386/x-mingw32 (host-mingw32.o): Update.
        * config/i386/x-i386 (driver-i386.o): Update.
        * config/i386/x-darwin (host-i386-darwin.o): Update.
        * config/i386/x-cygwin (host-cygwin.o): Update.
        * config/i386/t-nwld (nwld.o): Update.
        * config/i386/t-netware (netware.o): Update.
        * config/i386/t-interix (winnt.o): Update.
        * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
        * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
        msformat-c.o): Update.
        * config/bfin/t-bfin-linux (generated_files): Add
        linux-sysroot-suffix.h.
        * config/arm/t-wince-pe (pe.o): Update.
        * config/arm/t-strongarm-pe (pe.o): Update.
        * config/arm/t-pe (pe.o): Update.
        * config/arm/t-arm (arm-c.o): Update.
        * doc/install.texi (Prerequisites): Require make 3.80.
        * Makefile.in: Remove .o targets.
        (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
        (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
        (simple_generated_h, simple_generated_c): Move earlier.
        (generated_files): New variable.
        (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
        TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
        BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
        ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
        REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
        CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
        CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
        INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
        PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
        TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
        DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
        VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
        (.c.o): Remove.
        (COMPILE.base, COMPILE): New variables.
        (%.o): New pattern rule.
        (ALL_HOST_OBJS): New variable.
        (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
        (dummy-checksum.o, cc1-checksum.o): Remove.
        (DRIVER_SHLIB): New variable.
        (DRIVER_DEFINES): Use it.
        (gencondmd.c): Move out of build/.
        (s-conditions): Update.
        (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
        (ALL_BUILD_OBJS): Likewise.
        (build/%.o): Use BUILDCOMPILE.
        (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
        build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
        build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
        build/gencheck.o, build/gencodes.o, build/genconditions.o,
        build/genconfig.o, build/genconstants.o, build/genemit.o,
        build/genextract.o, build/genflags.o, build/genmddeps.o,
        build/genopinit.o, build/genoutput.o, build/genpeep.o,
        build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
        build/gen-protos.o, build/scan.o, build/fix-header.o,
        build/scan-decls.o): Simplify.
        (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
        cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
        prefix.o, toplev.o): Reduce to variable setting.
        (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
        ($(out_object_file), gcc-options.o): New targets.
        ($(ALL_HOST_OBJS)): New target.  Include dependency files.
        * configure: Rebuilt.
        * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
        * doc/sourcebuild.texi (Front End Directory): Document new variable.

2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>

        * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
        complain when we hit an error, return ERROR_MARK_NODE.

2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>

        * config/sh/constraints.md (Pso, Psz): New constraints.
        * config/sh/sh.c (print_operand): Add %V and %W operand codes.
        * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.

2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>

        * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
        * config/sh/sh.md (xorsi3_movrt, movrt): New insns.

2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>

        * config/sh/sh.md (prefetch): Add condition for SH2A target.
        (prefetch_sh2a): New.   

2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
            Naveen.H.S  <naveen.hs@kpitcummins.com>

        * config/sh/constraints.md (I28): New constraint.
        * config/sh/sh.c (broken_move): Add support for movi20s.
        * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.

2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
            Jayant Sonar  <Jayant.sonar@kpitcummins.com>
            Naveen.H.S  <naveen.hs@kpitcummins.com>

        * config/sh/sh.c (SH_ATTRIBUTES): Define.
        (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
        (print_operand): Handle resbank in %@ operand code.
        (sh_encode_section_info): New.
        (push_regs): Add conditions for resbank.
        (sh_expand_epilogue): Likewise.
        (sh_insert_attributes): Likewise.
        (sh_attribute_table): Likewise.
        (sh_handle_resbank_handler_attribute): New.
        (sh2a_handle_function_vector_handler_attribute): New.
        (sh2a_is_function_vector_call): New.
        (sh2a_get_function_vector_number): New.
        (sh2a_function_vector_p): New.
        (sh_cfun_resbank_handler_p): New.
        * config/sh/sh.md (calli): Emit jsr/n if possible.
        (calli_tbr_rel): New.
        (calli_pcrel): Emit jsr/n if possible.
        (return_i): Emit rts/n if possible.
        (call_valuei_tbr_rel): New.
        (call_valuei_pcrel): Add condition for SH2A target.
        (call_value): Likewise.
        * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
        (sh2a_get_function_vector_number): Likewise.
        (sh2a_is_function_vector_call): Likewise.
        * doc/extend.texi: Document TBR relative addressing of SH2A.
        (resbank): Add description for SH2A.

2008-03-24  Richard Guenther  <rguenther@suse.de>

        PR c/22371
        * gimplify.c (gimplify_modify_expr): For frontend type-correct
        pointer assignments change conversions according to middle-end rules.
        (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
        * configure.ac: Include type checking in yes.
        * configure: Regenerate.

2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * diagnostic.c (diagnostic_count_diagnostic): Delete.
        (diagnostic_report_diagnostic): Update. Handle ICEs here.
        
2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>

        * gthr-vxworks.h (UNUSED): Define.

2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and
        CX_REG.

2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>

        * doc/extend.texi (Function Attributes): Add missing comma in the
        example of the "alloc_size" attribute.
        
2008-03-23  Uros Bizjak  <ubizjak@gmail.com>

        Revert:
        2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386-modes.def: Use 4 byte alignment on DI for
        32bit host.

        2008-03-19  Uros Bizjak  <ubizjak@gmail.com>

        PR target/35496
        * stor-layout.c (update_alignment_for_field): Set minimum alignment
        of the underlying type of a MS bitfield layout to the natural
        alignment of the type.

        2008-03-22  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (assign_386_stack_local): Align DImode slots
        to their natural alignment to avoid store forwarding stalls.

2008-03-22  Richard Guenther  <rguenther@suse.de>

        * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
        For PHI nodes verify the address is invariant.
        * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
        (get_symbol_constant_value): Use is_gimple_min_invariant.
        (maybe_fold_stmt_indirect): Likewise.

2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>

        PR rtl-optimization/33927
        * Makefile.in (dse.o): Depend on $(TM_P_H).
        * expr.h (extract_low_bits): Declare.
        * expmed.c (extract_low_bits): New function.
        * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
        * dse.c: Include tm_p.h.
        (find_shift_sequence): Remove the read_reg argument and return the
        read value.  Emit the instructions instead of returning them.
        Iterate on new_mode rather than calculating it each time.
        Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
        source to NEW_MODE and extract_low_bits to convert the shifted
        value to READ_MODE.
        (replace_read): Allow the load and store to have different mode
        classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
        or extraction instructions before trying the replacement.  Update
        dump-file code accordingly, avoiding use of REGNO (store_info->rhs).

2008-03-22  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (assign_386_stack_local): Align DImode slots
        to their natural alignment to avoid store forwarding stalls.

2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR target/27946
        * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
        encouraging but not allowing gprs for input;
        change the input constraint to !f#r.
        (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
        gprs for output;
        change the output constraint to !f#r.

2008-03-21  Uros Bizjak  <ubizjak@gmail.com>

        PR target/13958
        * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
        corresponding post-reload splitters.
        ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
        when x87 FP math is selected.
        * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
        New function prototype.
        * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
        unreachable function to ease macroization of insn patterns.

2008-03-21  Martin Jambor  <mjambor@suse.cz>

        * tree-data-ref.c (dump_data_dependence_relation): Avoid data
        reference dumps if ddr is NULL or dependence is unknown.

2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
        unsigned extension into account.
        (ATOMIC_COMPARE_AND_SWAP): Likewise.
        (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
        Do computations on a scratch register.

2008-03-21  Richard Guenther  <rguenther@suse.de>

        * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
        Use is_gimple_min_invariant instead of TREE_INVARIANT.
        * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
        * tree-ssa-dom.c (record_equality): Likewise.
        * tree-inline.c (copy_body_r): Likewise.
        * tree-ssa-pre.c (make_values_for_stmt): Remove test for
        TREE_INVARIANT.

2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (split_branches): Pass zero to redirect_jump
        as 'delete_unused' argument.

2008-03-20  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
        special casing of constant qualifiers.
        * tree-ssa.c (useless_type_conversion_p_1): Instead do not
        care about them in general.
        * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
        regardless of their type.
        (fold_stmt_r): Forcefully fold *& if we end up with that.

2008-03-20  Paul Brook  <paul@codesourcery.com>

        * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
        * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
        linker flags.
        * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
        definition.
        (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
        * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.

2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>

        * common.opt (Wmudflap): New option.
        * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
        (mx_register_decls): Likewise.
        (mudflap_finish_file): Likewise.
        * doc/invoke.texi: Document -Wno-mudflap.

2008-03-20  Kai Tietz  <kai.tietz@onevision.com>

        * c-format.c (replace_format_name_to_system_name): New.
        (cmp_attribs): New.
        (convert_format_name_to_system_name): New.
        (decode_format_attr): Add use of convert_format_name_to_system_name.
        (format_types_orig): Add gnu_ prefix to names.
        (check_format_info_main): Special treating of \0 escaped names for
        supporting multi-character format specifiers as I32, I64.
        (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
        (gnu_target_overrides_format_attributes): New.
        * c-format.h: Add structure target_ovr_attr to hold
        system specific formatter names.
        * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
        msformat-c.o file to c_target_objs and cxx_target_objs.
        * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
        (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
        (TARGET_N_FORMAT_TYPES): New.
        * config/i386/msformat-c.c: New.
        * config/i386/t-cygming: Add build rule for msformat-c.o.
        * doc/extend.texi: Add new format names gnu_* and ms_* and
        further details.
        * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.

2008-03-20  Ira Rosen  <irar@il.ibm.com>

        * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
        optimizations turned on under -O3.
        (ftree-vectorize): Add that the flag is turned on with -O3.

2008-03-20  Ben Elliston  <bje@au.ibm.com>

        * regmove.c (try_auto_increment): Fix spelling error in comment.
        * final.c (final_scan_insn): Likewise.

2008-03-20  Uros Bizjak  <ubizjak@gmail.com>

        PR target/14552
        * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
        allocator preferences for "y" and "r" class registers.
        ("*mov<mode>_internal"): Ditto.
        ("*movv2sf_internal_rex64"): Ditto.
        ("*movv2sf_internal"): Ditto.

2008-03-19  Michael Matz  <matz@suse.de>

        PR middle-end/35616
        * calls.c (expand_call): Check overlap of arguments with call
        address for sibcalls.

2008-03-19  Uros Bizjak  <ubizjak@gmail.com>

        PR target/35496
        * stor-layout.c (update_alignment_for_field): Set minimum alignment
        of the underlying type of a MS bitfield layout to the natural
        alignment of the type.

2008-03-19  Jan Hubicka  <jh@suse.cz>

        PR other/35094
        * toplev.c (decode_d_option): Handle all CPP flags.
        * tree-vrp.c: Update tree_pass descriptors.
        * regrename.c: Update tree_pass descriptors.
        * fwprop.c: Update tree_pass descriptors.
        * doc/invoke.texi: Remove documentation of dropped -d? flags.
        * tree-into-ssa.c: Update tree_pass descriptors.
        * tree-dump.c: Update tree_pass descriptors.
        * tree-complex.c: Update tree_pass descriptors.
        * tree-dump.h: Update tree_pass descriptors.
        * see.c: Update tree_pass descriptors.
        * cgraphbuild.c: Update tree_pass descriptors.
        * tracer.c: Update tree_pass descriptors.
        * tree-loop-distribution.c: Update tree_pass descriptors.
        * cgraph.c: Update tree_pass descriptors.
        * postreload-gcse.c: Update tree_pass descriptors.
        * postreload.c: Update tree_pass descriptors.
        * tree-ssa-loop-ch.c: Update tree_pass descriptors.
        * tree-tailcall.c: Update tree_pass descriptors.
        * tree-pass.h (tree_opt_pass): Rename to ...
        (opt_pass) ... this one; add "type" field and remove letter field.
        (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
        (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
        all_lowering_passes): Update declaration.
        * ipa-cp.c: Update tree_pass descriptors.
        * final.c: Update tree_pass descriptors.
        * omp-low.c: Update tree_pass descriptors.
        * tree-ssa-dse.c: Update tree_pass descriptors.
        * ipa-reference.c: Update tree_pass descriptors.
        * tree-ssa-uncprop.c: Update tree_pass descriptors.
        * auto-inc-dec.c: Update tree_pass descriptors.
        * reorg.c: Update tree_pass descriptors.
        * cgraphunit.c: Update tree_pass descriptors.
        * tree-ssa-copyrename.c: Update tree_pass descriptors.
        * tree-ssa-ccp.c: Update tree_pass descriptors.
        * df-core.c: Update tree_pass descriptors.
        * mode-switching.c: Update tree_pass descriptors.
        * tree-nomudflap.c: Update tree_pass descriptors.
        * modulo-sched.c: Update tree_pass descriptors.
        * ipa-pure-const.c: Update tree_pass descriptors.
        * cse.c: Update tree_pass descriptors.
        * web.c: Update tree_pass descriptors.
        * tree-stdarg.c: Update tree_pass descriptors.
        * tree-ssa-math-opts.c: Update tree_pass descriptors.
        * tree-ssa-dom.c: Update tree_pass descriptors.
        * tree-nrv.c: Update tree_pass descriptors.
        * tree-ssa-alias.c: Update tree_pass descriptors.
        * loop-init.c: Update tree_pass descriptors.
        * gimple-low.c: Update tree_pass descriptors.
        * ipa-inline.c: Update tree_pass descriptors.
        * tree-ssa-sink.c: Update tree_pass descriptors.
        * global.c: Update tree_pass descriptors.
        * ifcvt.c: Update tree_pass descriptors.
        * jump.c: Update tree_pass descriptors.
        * predict.c: Update tree_pass descriptors.
        * tree-ssa-loop.c: Update tree_pass descriptors.
        * recog.c: Update tree_pass descriptors.
        * dse.c: Update tree_pass descriptors.
        * tree-ssa-ifcombine.c: Update tree_pass descriptors.
        * tree-eh.c: Update tree_pass descriptors.
        * regmove.c: Update tree_pass descriptors.
        * local-alloc.c
        * function.c: Update tree_pass descriptors.
        * tree-vectorizer.c: Update tree_pass descriptors.
        * gcse.c: Update tree_pass descriptors.
        * ipa-type-escape.c: Update tree_pass descriptors.
        * tree-if-conv.c: Update tree_pass descriptors.
        * init-regs.c: Update tree_pass descriptors.
        * ipa.c: Update tree_pass descriptors.
        * tree-ssa-phiopt.c: Update tree_pass descriptors.
        * rtl-factoring.c: Update tree_pass descriptors.
        * lower-subreg.c: Update tree_pass descriptors.
        * bt-load.c: Update tree_pass descriptors.
        * tree-dfa.c: Update tree_pass descriptors.
        * except.c: Update tree_pass descriptors.
        * emit-rtl.c: Update tree_pass descriptors.
        * cfgexpand.c: Update tree_pass descriptors.
        * tree-cfgcleanup.c: Update tree_pass descriptors.
        * cfgcleanup.c: Update tree_pass descriptors.
        * tree-ssa-pre.c: Update tree_pass descriptors.
        * tree-sra.c: Update tree_pass descriptors.
        * tree-mudflap.c: Update tree_pass descriptors.
        * tree-ssa-copy.c: Update tree_pass descriptors.
        * cfglayout.c: Update tree_pass descriptors.
        * tree-ssa-forwprop.c: Update tree_pass descriptors.
        * tree-ssa-dce.c: Update tree_pass descriptors.
        * tree-ssa.c: Update tree_pass descriptors.
        * regclass.c: Update tree_pass descriptors.
        * integrate.c: Update tree_pass descriptors.
        * tree-optimize.c: Update tree_pass descriptors.
        * tree-ssa-phiprop.c: Update tree_pass descriptors.
        * tree-object-size.c: Update tree_pass descriptors.
        * combine.c: Update tree_pass descriptors.
        * tree-outof-ssa.c: Update tree_pass descriptors.
        * bb-reorder.c: Update tree_pass descriptors.
        * stack-ptr-mod.c: Update tree_pass descriptors.
        * var-tracking.c: Update tree_pass descriptors.
        * tree-profile.c: Update tree_pass descriptors.
        * tree-vect-generic.c: Update tree_pass descriptors.
        * reg-stack.c: Update tree_pass descriptors.
        * sched-rgn.c: Update tree_pass descriptors.
        * tree-ssa-structalias.c: Update tree_pass descriptors.
        * tree-cfg.c: Update tree_pass descriptors.
        * passes.c (current_pass): Update declaration.
        (finish_optimization_passes): Update.
        (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
        (register_one_dump_file, register_dump_files_1, next_pass_1):
        Update arguments.
        (init_optimization_passes): Update handling of new types.
        (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
        * ipa-struct-reorg.c: Update tree_pass descriptors.
        * tree-ssa-reassoc.c: Update tree_pass descriptors.
        * combine-stack-adj.c: Update tree_pass descriptors.
        * cfgrtl.c: Update tree_pass descriptors.
        * dce.c: Update tree_pass descriptors.
        * tree-ssanames.c: Update tree_pass descriptors.

2008-03-19  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35609
        * tree-ssa.c (walk_data): New structure.
        (warn_uninitialized_var): If not always_executed warn with "maybe"
        instead of "is".
        (execute_early_warn_uninitialized): Compute post-dominators.
        Initialize always_executed before processing each basic block.

2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>

        PR target/35504
        * config/i386/i386.c (x86_this_parameter): Calculate correct location
        of "this" pointer when "regparm = N" or "fastcall" is in effect.

2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/include/texinfo.tex: Update to version 2008-03-17.10.

2008-03-18  Paolo Bonzini  <bonzini@gnu.org>

        * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
        is true.
        (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
        (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
        is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
        target after ignore has been set, and move there also the commputation
        of subtarget and original_target.
        * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
        (LANG_HOOKS_INITIALIZER): Remove it.
        * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.

2008-03-18  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
        found an expression with constants, note that in the VN for the lhs.
        * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
        fold them to constants if possible.  Run cleanup_cfg if done so.
        (execute_pre): Return todo.
        (do_pre): Likewise.
        (execute_fre): Likewise.
        * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
        of constants.
        (get_prop_source_stmt): Look through pointer conversions.

2008-03-18  Jan Hubicka  <jh@suse.cz>

        * tree-pretty-print.c: Include predict.h.
        (dump_generic_node): Dump predictor.
        * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
        * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
        * gimple-low.c (lower_stmt): Likewise.
        * expr.c (expand_expr_real): Likewise.
        * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
        them.
        (build_predict_expr, build_predict_expr): New.
        * predict.h (predictor_name, build_predict_expr): Update.
        * c-typeck.c (c_finish_bc_stmt): Add prediction.
        * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
        * predict.def (PRED_CONTINUE): Update hitrate.
        * tree.def (PREDICT_EXPR): Define.
        * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
        do not handle BIND_EXPR.
        * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
        * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
        * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
        operands.

2008-03-18  Michael Matz  <matz@suse.de>

        * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.

2008-03-18  Richard Guenther  <rguenther@suse.de>

        * tree-gimple.h (is_gimple_invariant_address): Declare.
        (is_gimple_constant): Likewise.
        * tree-gimple.c (is_gimple_constant): New function.
        (is_gimple_invariant_address): Likewise.
        (is_gimple_min_invariant): Implement in terms of is_gimple_constant
        and is_gimple_invariant_address.
        * tree-ssa-loop-niter.c (expand_simple_operations): Revert
        previous change.
        * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
        an addressable base.

2008-03-18  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/35611
        * gimplify.c (gimplify_expr): Gimplify second operand of
        OMP_ATOMIC_LOAD.

2008-03-17  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/19637
        * fold-const.c (fold_unary): Remove restrictions of removing
        intermediate pointer-conversions (P2)(P1)P0.
        * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
        conversion to void pointer.
        (get_maxval_strlen): Handle addresses of the form &(*p)[0].

2008-03-16  James E. Wilson  <wilson@tuliptree.org>

        PR debug/31510
        * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
        emulated thread local variables.

2008-03-16  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35607
        * tree-ssa-loop-niter.c (expand_simple_operations): Do not
        expand TREE_INVARIANT operations that are not gimple invariant.

2008-03-16  Hans-Peter Nilsson  <hp@axis.com>

        * doc/extend.texi (Alignment): Say that the ABI controls
        the __alignof__ for non-strict-alignment targets rather
        than being a recommendation.

2008-03-15  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
        annotations.
        (arm_output_fn_unwind): Mark functions that can not be unwound.

2008-03-15  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
        extension instructions.

2008-03-15  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-ccp.c (ccp_fold): Also read from constant values
        and fold constant aggregate refs.
        (fold_const_aggregate_ref): Handle string constants
        and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
        (evaluate_stmt): Simplify now that ccp_fold folds constant
        aggregate refs.

2008-03-15  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
        (extzv): Use gen_extzv_t2.
        (insv_t2, insv_zero, extv, extzv_t2): New patterns.

2008-03-15  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-ccp.c (get_symbol_constant_value): Export.
        (fold_const_aggregate_ref): Likewise.
        (get_value): Return NULL if we don't have any values.
        (ccp_finalize): Set const_val to NULL after freeing it.
        * tree-flow.h (get_symbol_constant_value): Declare.
        (fold_const_aggregate_ref): Likewise.
        * tree-ssa-sccvn.c (try_to_simplify): Use them.

2008-03-15  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35593
        * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
        to not produce negative array indices if not allowed.  Add
        parameter to indicate that.
        (maybe_fold_offset_to_component_ref): Allow negative array
        indices only for the first member of a structure.
        (maybe_fold_offset_to_reference): Allow negative array indices.
        (maybe_fold_stmt_addition): Likewise.

2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
            Anatoly Sokolov <aesok@post.ru>

        * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
        (avr_arch): Add ARCH_AVR6.
        (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
        (initial_elimination_offset): Initialize and use 'avr_pc_size' 
        instead of fixed value 2.
        (print_operand_address): Use gs() asm specifier instead of pm().
        (avr_assemble_integer): (Ditto.).
        (avr_output_addr_vec_elt): (Ditto.).
        (print_operand): Handle "!" code.
        * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
        __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
        (AVR_HAVE_EIJMP_EICALL): Define.
        (AVR_3_BYTE_PC): Redefine.
        (AVR_2_BYTE_PC): (Ditto.).
        (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
        (LINK_SPEC): Add atmega2560 and atmega2561.
        (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
        (crtm2561.o).
        * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
        for 3 byte PC devices.
        (call_value_insn): (Ditto.).
        (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
        (indirect_jump): Use only for for 2 byte PC devices.
        (*tablejump): (Ditto.).
        (*indirect_jump_avr6): Add insn.
        (*tablejump_rjmp): Don't use for 3 byte PC devices.
        * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
        instead of ijmp for 3 byte PC devices.
        (__tablejump2__): (Ditto.).
        * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
        (MULITLIB_DIRNAMES): (Ditto.). 
        (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.

2008-03-15  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
        "sse2_umulsidi3".  Use V1DI mode for operand 0.
        ("mmx_psadbw"): Use V1DI mode for operand 0.
        * config/i386/i386-modes.def (V1SI): New vector mode.
        * config/i386/i386.c (struct builtin_description)
        [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
        (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
        (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
        (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
        v1di_ftype_v8qi_v8qi type.
        [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.

        * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
        __builtin_ia32_pmuludq]: Fix the mode of return value.

2008-03-15  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35595
        * tree-ssa-pre.c (bitmap_find_leader): Handle expression
        being a PHI_NODE.

2008-03-14  Bob Wilson  <bob.wilson@acm.org>
        
        * doc/invoke.texi (Option Summary, Xtensa Options): Document
        -mserialize-volatile and -mno-serialize-volatile Xtensa options.
        * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
        unless TARGET_SERIALIZE_VOLATILE is enabled.
        * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
        * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
        * config/xtensa/xtensa.opt (mserialize_volatile): New option.

2008-03-14  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/34172
        * tree-flow.h (refs_may_alias_p): Declare.
        (get_single_def_stmt): Likewise.
        (get_single_def_stmt_from_phi): Likewise.
        (get_single_def_stmt_with_phi): Likewise.
        * tree-dfa.c (refs_may_alias_p): New function.
        (get_single_def_stmt): Likewise.
        (get_single_def_stmt_from_phi): Likewise.
        (get_single_def_stmt_with_phi): Likewise.
        * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
        (vn_reference_lookup_1): New helper function.
        (vn_reference_lookup): Walk the virtual use-def chain to
        continue searching for a match if the def does not alias the
        reference we are looking for.

2008-03-14  David Edelsohn  <edelsohn@gnu.org>

        * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
        archive and Perzl.  Update The Written Word listing.

2008-03-14  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/34043
        PR tree-optimization/33989
        * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
        when doing FRE.
        (bitmap_find_leader): Use extra argument to verify dominance
        relationship inside a basic-block.
        (can_PRE_operation): Add VIEW_CONVERT_EXPR.
        (find_leader_in_sets): Adjust.
        (create_component_ref_by_pieces): Take extra argument for
        dominance check, handle lookup failures.
        (find_or_generate_expression): Likewise.
        (create_expression_by_pieces): Likewise.
        (insert_into_preds_of_block): Adjust.
        (create_value_expr_from): If asked for, verify all operands
        are in the blocks AVAIL_OUT set.
        (make_values_for_stmt): Check for SSA_NAMEs that are life
        over an abnormal edge.
        (compute_avail): Remove such check.
        (do_SCCVN_insertion): New function.
        (eliminate): If we do not find a leader suitable for replacement
        insert a replacement expression from SCCVN if available.
        * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
        (struct vn_ssa_aux): Add needs_insertion flag.
        * tree-ssa-sccvn.c (may_insert): New global flag.
        (copy_reference_ops_from_ref): Value-number union member access
        based on its size, not type and member if insertion is allowed.
        (visit_reference_op_load): For a weak match from union type
        punning lookup a view-converted value and insert a SSA_NAME
        for that value if that is not found.
        (visit_use): Make dumps shorter.  Do not disallow value numbering
        SSA_NAMEs that are life over an abnormal edge to constants.
        (free_scc_vn): Release inserted SSA_NAMEs.
        (run_scc_vn): New flag to specify whether insertion is allowed.
        Process SSA_NAMEs in forward order.
        * tree-ssa-loop-im.c (for_each_index): Handle invariant
        ADDR_EXPRs inside VIEW_CONVERT_EXPR.
        * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
        pointer type to/from integral types that do not change the
        precision to regular conversions.

2008-03-13  Uros Bizjak  <ubizjak@gmail.com>

        * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
        __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
        __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
        __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
        input arguments and the mode of return value.  Built-in functions
        that operate on whole 64-bit MMX register now use V1DI mode.

2008-03-13  Alon Dayan  <alond@il.ibm.com>
            Olga Golovanevsky  <olga@il.ibm.com>

        PR tree-optimization/35041
        * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
        to locate the right position in a statement.

2008-03-13  Uros Bizjak  <ubizjak@gmail.com>

        PR target/34000
        PR target/35553
        * config/i386/xmmintrin.h:  Change all static inline functions to
        extern inline and add __gnu_inline__ attribute.
        * config/i386/bmintrin.h: Ditto.
        * config/i386/smmintrin.h: Ditto.
        * config/i386/tmmintrin.h: Ditto.
        * config/i386/mmintrin-common.h: Ditto.
        * config/i386/ammintrin.h: Ditto.
        * config/i386/emmintrin.h: Ditto.
        * config/i386/pmmintrin.h: Ditto.
        * config/i386/mmintrin.h: Ditto.
        * config/i386/mm3dnow.h: Ditto.

2008-03-13  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/35185
        * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
        (lower_omp_2): New function.
        (lower_omp_1, lower_omp): Rewritten.

2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>

        PR 35054
        * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
        with the phrase "Microsoft Windows compilers".
        (Push/Pop Macro Pragmas): New subsection. Document
        #pragma push_macro and pragma pop_macro.

2008-03-12  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.

2008-03-12  Paul Brook  <paul@codesourcery.com>

        * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
        (thumb2_alusi3_short): Exclude PLUS and MINUS.
        (thumb2_addsi_shortim): Rename ...
        (thumb2_addsi_short): ... to this.  Allow register operands.
        (thumb2_subsi_short): New pattern.
        (thumb2_one_cmplsi2_short,
        thumb2_negsi2_short): New patterns and peepholes.

2008-03-12  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.

2008-03-12  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (int_cond): New code iterator.
        (fp_cond): Ditto.
        ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
        sge, sgeu, sle and sleu expanders usign int_cond code iterator.
        ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
        sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
        ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
        bge, bgeu, ble and bleu expanders usign int_cond code iterator.
        ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
        bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.

2008-03-12  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
        instead of {arm,thumb}_compute_save_reg_mask.
        (output_return_instruction): Ditto.
        (thumb_unexpanded_epilogue): Ditto.
        (thumb1_expand_prologue): Ditto.
        (thumb1_output_function_prologue): Ditto.
        (arm_set_return_address): Ditto.
        (thumb_set_return_address): Ditto.
        (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
        regs to achieve stack alignment.
        (thumb1_compute_save_reg_mask): Fix compiler warning.
        (arm_output_epilogue): Use offsets->saved_regs_mask.
        Adjust stack pointer by poping call clobered registers.
        (arm_expand_prologue): Use offsets->saved_regs_mask.
        Adjust stack pointer by pushing extra registers.
        * config/arm.h (arm_stack_offsets): Add saved_regs_mask.

2008-03-12  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-opt/35422
        * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
        conversion to the operands of a multiplication.

2008-03-12  Richard Guenther  <rguenther@suse.de>

        * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
        (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
        * timevar.def (TV_TREE_PHIPROP): Add.
        * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
        pass description.  Use TV_TREE_PHIPROP.
        * tree-ssa-forwprop.c: Remove phiprop code.

2008-03-12  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/35549
        * omp-low.c (maybe_lookup_decl): Constify first argument.
        (use_pointer_for_field): Change last argument from bool to
        omp_context *.  Disallow shared copy-in/out in nested
        parallel if decl is shared in outer parallel too.
        (build_outer_var_ref, scan_sharing_clauses,
        lower_rec_input_clauses, lower_copyprivate_clauses,
        lower_send_clauses, lower_send_shared_vars): Adjust callers.

2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
            Ira Rosen  <irar@il.ibm.com>

        * tree-vectorizer.c (free_stmt_vec_info): New function.
        (destroy_loop_vec_info): Move code to free_stmt_vec_info().
        Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
        * tree-vectorizer.h (free_stmt_vec_info): Declare.
        * tree-vect-transform.c (vectorizable_conversion): Free
        vec_oprnds0 if it was allocated.
        (vect_permute_store_chain): Remove unused VECs.
        (vectorizable_store): Free VECs that are allocated in the..
        function.
        (vect_transform_strided_load, vectorizable_load): Likewise.
        (vect_remove_stores): Simplify the code.
        (vect_transform_loop): Move code to vect_remove_stores().
        Call vect_remove_stores() and free_stmt_vec_info().

2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
        TARGET_HPUX.  Revise comment.
        (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
        * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
        Use sr4 variant of `be' instruction when not generating PIC code.
        (attr_length_call): Adjust for above change.

2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * ipa-reference.c (static_execute): Remove module_statics_const and
        associated setting code.

2008-03-11  Uros Bizjak  <ubizjak@gmail.com>

        PR target/35540
        * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
        predicate for operand 1.
        (paritysi2_cmp): Use register_operand predicate for operand 2.
        Use earlyclobber modifier for operand 1.  Remove support for
        memory operands.
        (paritydi2_cmp): Use register_operand predicate for operand 3.
        Use earlyclobber modifier for operand 1.  Remove support for
        memory operands.

2008-03-11  Paul Brook  <paul@codesourcery.com>
            Vladimir Prus  <vladimir@codesourcery.com>

        * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
        (arm_compute_save_reg0_reg12_mask): Always
        check if register 11 must be saved.  Always safe hard frame pointer
        when frame_pointer_needeed.
        (arm_compute_save_reg_mask): Save IP and PC
        only with apcs frames.
        (arm_output_epilogue): Adjust Thumb2 codepath to
        be also invoked and work for ARM non-apcs frames.
        (arm_expand_prologue): Don't bother saving IP
        for non-apcs frame, since it's not clobbered by
        prologue code.  Implement non-apcs frame
        layout.

2008-03-11  Paolo Bonzini  <bonzini@gnu.org>

        PR rtl-optimization/35281
        * expr.c (convert_move): Use a new pseudo for the intermediate
        from_mode->word_mode result.

2008-03-11  Paolo Bonzini  <bonzini@gnu.org>

        * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
        * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
        * toplev.c (compile_file): Don't call it.

2008-03-11  Uros Bizjak  <ubizjak@gmail.com>

        PR middle-end/35526
        * expr.c (store_expr): Call emit_block_move if the mode
        of "temp" RTX is BLKmode.

2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
            Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/31358
        * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
        the step with a NULL_TREE.
        * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
        to sizetype if type is a pointer type.
        (add_candidate_1): Don't convert the base and step to
        the generic type if the orginal type is a pointer type.
        (add_iv_value_candidates): Use sizetype for the step
        if type is a pointer type.
        (cand_value_at): Likewise.
        * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
        for pointer types.
        * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
        Don't convert the tem affine to the type.
        (add_elt_to_tree): Use sizetype for the step if a pointer.
        Use POINTER_PLUS_EXPR for pointers.
        (aff_combination_to_tree): Use sizetype for the step if a
        pointer.

2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>

        * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
        Remove commutativity hint.

2008-03-10  Jakub Jelinek  <jakub@redhat.com>

        PR c/35438
        PR c/35439
        * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
        errorneous type.  Check that v is a VAR_DECL.

        PR middle-end/35099
        * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.

2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>

        PR tree-optimization/35494
        * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
        may be overriden at link and run time.

2008-03-10  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/34677
        * tree-ssa-pre.c (modify_expr_node_pool): Remove.
        (poolify_tree): Likewise.
        (modify_expr_template): Likewise.
        (poolify_modify_stmt): Likewise.
        (insert_fake_stores): Handle all component-ref style stores
        in addition to INDIRECT_REF.  Also handle complex types.
        Do not poolify the inserted load.
        (realify_fake_stores): Do not rebuild the tree but only
        make it a SSA_NAME copy.
        (init_pre): Remove initialzation of modify_expr_template.
        Do not allocate modify_expr_node_pool.
        (fini_pre): Do not free modify_expr_node_pool.

2008-03-10  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
        to avoid conflicts.

2008-03-10  Paul Brook  <paul@codesourcery.com>
            Mark Shinwell  <shinwell@codesourcery.com>

        * config/arm/cortex-r4.md: New.
        * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
        insn attributes.
        * config/arm/arm.md: Include cortex-r4.md.
        (insn): Add smmls, sdiv and udiv values.
        (generic_sched): Don't use generic scheduling for Cortex-R4.
        (arm_issue_rate): New function.
        (TARGET_SCHED_ISSUE_RATE): Define.

2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>

        * doc/invoke.texi (-ftree-loop-distribution): Add an example.

2008-03-10  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-pre.c (get_sccvn_value): Simplify.
        (compute_avail): Do not add stmt uses to AVAIL_OUT.

2008-03-10  Paolo Bonzini  <bonzini@gnu.org>

        * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
        Set default to true.

2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * c.opt (Wsynth): Deprecate.
        * doc/invoke.texi (Option Summary, Warning Options): Document
        -Wno-format-contains-nul.

2008-03-09  Uros Bizjak  <ubizjak@gmail.com>

        PR target/35496
        * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
        ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.

2008-03-09  Ira Rosen  <irar@il.ibm.com>

        * config/rs6000/rs6000.c (builtin_description): Rename vector
        left shift operations.
        * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
        (altivec_vsl<VI_char>): Rename to ...
        (ashl<mode>3): ... new name.
        (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
        gen_ashlv4si3.
        (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.

2008-03-08  Richard Guenther  <rguenther@suse.de>

        * coverage.h (tree_coverage_counter_addr): Declare.
        * coverage.c (tree_coverage_counter_addr): New function.
        * tree-profile.c (tree_gen_edge_profiler): Unshare counter
        before using again.
        (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
        (tree_gen_one_value_profiler): Likewise.
        (tree_gen_ic_profiler): Likewise.
        (tree_gen_average_profiler): Likewise.
        (tree_gen_ior_profiler): Likewise.

2008-03-08  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
        (vn_binary_op_insert): Likewise.
        (vn_unary_op_lookup): Likewise.
        (vn_unary_op_insert): Likewise.
        (vn_nary_op_lookup): Declare.
        (vn_nary_op_insert): Likewise.
        * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
        and binary hashes, use a single obstack for unary_op_pool
        and binary_op_pool.
        (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
        a single struct vn_nary_op_s.  Store tree code length and
        a variable number of operands.
        (struct vn_reference_op_struct): Remove unused op2.
        (vn_reference_op_eq): Do not compare op2.
        (vn_reference_op_compute_hash): Do not compute hash of op2.
        (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
        (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
        with vn_nary_op_compute_hash.
        (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
        (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
        vn_nary_op_lookup.
        (vn_unary_op_insert, vn_binary_op_insert): Replace with
        vn_nary_op_insert.
        (visit_unary_op): Call nary functions.
        (visit_binary_op): Likewise.
        (process_scc): Adjust for struct vn_tables_s changes.
        (allocate_vn_table): Likewise.
        (free_vn_table): Likewise.
        * tree-vn.c (vn_add): Call nary functions.
        (vn_lookup): Likewise.

2008-03-08  Jakub Jelinek  <jakub@redhat.com>

        PR target/35498
        * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
        wdst back after sync_compare_and_swapqhi_internal.

2008-03-08  Uros Bizjak  <ubizjak@gmail.com>

        PR target/22152
        * config/i386/i386-modes.def (V1DI): New vector mode.
        * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
        * config/i386/mmx.md (MMXMODEI8): New mode iterator.
        (MMXMODE248): Ditto.
        (MMXMODE): Add V1DI mode.
        (mmxvecsize): Change DI mode to V1DI mode.
        ("mov<mode>): Use MMXMODEI8 mode iterator.
        ("*mov<mode>_internal_rex64"): Ditto.
        ("*mov<mode>_internal"): Ditto.
        ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
        ("mmx_sub<mode>3"): Ditto.
        ("mmx_adddi3"): Remove insn pattern.
        ("mmx_subdi3"): Ditto.
        ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
        ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
        ("mmx_ashl<mode>3"): Ditto.
        ("mmx_lshrdi3"): Remove insn pattern.
        ("mmx_ashldi3"): Ditto.
        * config/i386/i386.c (classify_argument): Handle V1DImode.
        (function_arg_advance_32): Ditto.
        (function_arg_32): Ditto.
        (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
        mmx_addv1di3 insn pattern.
        [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
        [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
        IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
        IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
        Remove definitions of built-in functions.
        (V1DI_type_node): New node.
        (v1di_ftype_v1di_int): Ditto.
        (v1di_ftype_v1di_v1di): Ditto.
        (v2si_ftype_v2si_si): Ditto.
        (v4hi_ftype_v4hi_di): Remove node.
        (v2si_ftype_v2si_di): Ditto.
        (ix86_init_mmx_sse_builtins): Handle V1DImode.
        (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
        Redefine builtins using def_builtin_const with *_ftype_*_int node.
        (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
        Add new builtins using def_builtin_const.
        (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
        IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
        IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
        * config/i386/mmintrin.h (__v1di): New typedef.
        (_mm_add_si64): Cast arguments to __v1di type.
        (_mm_sub_si64): Ditto.
        (_mm_sll_pi16): Cast __count to __v4hi type.
        (_mm_sll_pi32): Cast __count to __v2si type.
        (_mm_sll_si64): Cast arguments to __v1di type.
        (_mm_srl_pi16): Cast __count to __v4hi type.
        (_mm_srl_pi32): Cast __count to __v2si type.
        (_mm_srl_si64): Cast arguments to __v1di type.
        (_mm_sra_pi16): Cast __count to __v4hi type.
        (_mm_sra_pi32): Cast __count to __v2si type.
        (_mm_slli_pi16): Use __builtin_ia32_psllwi.
        (_mm_slli_pi32): Use __builtin_ia32_pslldi.
        (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
        (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
        (_mm_srli_pi32): Use __builtin_ia32_psrldi.
        (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
        (_mm_srai_pi16): Use __builtin_ia32_psrawi.
        (_mm_srai_pi32): Use __builtin_ia32_psradi.
        * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
        * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
        __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
        __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.

2008-03-07  Joseph Myers  <joseph@codesourcery.com>

        * doc/include/texinfo.tex: Update to version 2008-03-07.10.

2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>

        PR target/35373
        * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
        reg+const addressing for Altivec modes.  Don't generate reg+reg
        addressing for TFmode or TDmode quantities.

2008-03-07  Paolo Bonzini  <bonzini@gnu.org>

        * c-common.c (vector_types_convertible_p): Call langhook
        instead of comptypes.

2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR tree-opt/35402
        * tree-ssa-ccp.c (get_symbol_constant_value): Handle
        integral and scalar float variables which have a
        NULL DECL_INITIAL.

2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>

        * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
        dwarf_register_span hook when emitting unwind information for
        register-to-memory saves.
        * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
        (rs6000_frame_related): Remove call to spe_synthesize_frame.

2008-03-06  Jakub Jelinek  <jakub@redhat.com>

        * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
        for the same VAR_DECL.

2008-03-06  Tom Tromey  <tromey@redhat.com>

        * treelang: Delete.
        * doc/standards.texi (Standards): Don't mention treelang.
        * doc/invoke.texi (Overall Options): Don't mention treelang.
        * doc/install.texi (Prerequisites): Don't mention bison or
        treelang.
        (Configuration): Don't mention treelang.
        (Building): Likewise.
        * doc/frontends.texi (G++ and GCC): Don't mention treelang.

2008-03-06  Paolo Bonzini  <bonzini@gnu.org>

        * simplify-rtx.c (simplify_subreg): Remove useless shifts from
        word-extractions out of a multi-word object.

2008-03-06  Richard Guenther  <rguenther@suse.de>

        * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
        * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
        result type and precision.
        * expr.c (get_inner_reference): Set unsignedp based on the result
        type of BIT_FIELD_REF.
        * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
        * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
        (try_instantiate_multiple_fields): Likewise.  Use the correct type
        for BIT_FIELD_REF.
        (sra_build_assignment): Likewise.
        (sra_build_elt_assignment): Likewise.
        (sra_explode_bitfield_assignment): Likewise.
        * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
        * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
        set BIT_FIELD_REF_UNSIGNED.
        (vectorizable_load): Likewise.

2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>

        * cse.c (cse_extended_basic_block): Invalidate artificial defs
        at bb start.

2008-03-06  Richard Guenther  <rguenther@suse.de>

        * alias.c (struct alias_set_entry): Move has_zero_child field
        to pack with alias_set.

2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386-modes.def: Use 4 byte alignment on DI for
        32bit host.

2008-03-05  Ian Lance Taylor  <iant@google.com>

        * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.

2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>

        * fwprop.c (update_df): Support width and offset parameters of
        df_ref_create.
        * ra-conflict.c (mark_reg_store, clear_reg_in_live,
        global_conflicts): Change DF_REF_EXTRACT to either
        DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
        DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
        * df-scan.c (df_ref_record, df_defs_record,
        df_ref_create_structure, df_def_record_1, df_uses_record,
        df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
        df_bb_refs_collect, df_entry_block_defs_collect,
        df_exit_block_uses_collect): Support new width and offset fields.
        (ref_extract_pool): New storage pool.
        (df_free_ref): New function.
        (df_reg_chain_unlink, df_free_collection_rec,
        df_sort_and_compress_refs): Call df_free_ref.
        (df_ref_equal_p, df_ref_compare): Compare offset and width fields
        of df_ref_extract.
        (df_ref_create_structure): Allocate df_ref_extract if offset and
        width fields are used.
        (df_def_record_1): Get offset and width from ZERO_EXTRACT.
        (df_uses_record): Get offset and width from ZERO_EXTRACT 
        and SIGN_EXTRACT.
        * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
        DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
        DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
        * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
        DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
        DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
        (df_ref_extract): New structure.
        (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
        (df_ref_create): Add width and offset parameters.
        
2008-03-05  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (get_constraint_for_component_ref):
        Use ranges_overlap_p.
        (offset_overlaps_with_access): Rename
        to ranges_overlap_p and move ...
        * tree-flow-inline.h (ranges_overlap_p): ... here.

        * tree.h (get_inner_reference, handled_component_p): Update
        comments.

        * tree.h (record_component_aliases, get_alias_set,
        alias_sets_conflict_p, alias_sets_must_conflict_p,
        objects_must_conflict_p): Move declarations ...
        * alias.h (record_component_aliases, get_alias_set,
        alias_sets_conflict_p, alias_sets_must_conflict_p,
        objects_must_conflict_p): ... here.
        Include coretypes.h.
        * Makefile.in (ALIAS_H): Add coretypes.h dependency.

2008-03-05  Aldy Hernandez  <aldyh@redhat.com>

        * cfg.c: Include tree-flow.h.
        (remove_edge_raw): Call redirect_edge_var_map_clear.
        (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
        * tree-flow-inline.h (redirect_edge_var_map_def): New.
        (redirect_edge_var_map_result): New.
        * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
        PENDING_STMT use with redirect_edge_var_map_*.
        * tree-ssa.c (edge_var_maps): New definition.
        (redirect_edge_var_map_add): New.
        (redirect_edge_var_map_clear): New.
        (redirect_edge_var_map_dup): New.
        (redirect_edge_var_map_vector): New.
        (redirect_edge_var_map_destroy): New.
        (ssa_redirect_edge): Replace PENDING_STMT use with
        redirect_edge_var_map_*.
        (flush_pending_stmts): Same.
        (delete_tree_ssa): Destroy edge var map.
        * tree-flow.h (struct _edge_var_map): New.
        Define edge_var_map vector type.
        Declare redirect_edge_var_map_* prototypes.
        * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
        * tree-cfg.c (reinstall_phi_args): Replace
        PENDING_STMT use with redirect_edge_var_map_*.

2008-03-05  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/35472
        * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
        whose single use_stmt has a overlapping set of loaded and
        stored symbols as that use_stmt might be a noop assignment then.

2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>

        * gthr-rtems.h: Implement __gthread_mutex_destroy.

2008-03-05  Richard Guenther  <rguenther@suse.de>

        PR c++/35336
        * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
        should be constants.
        * tree-cfg.c (verify_expr): Verify it.
        * fold-const.c (fold_truthop): Remove code generating
        BIT_FIELD_REFs of structure bases.
        (fold_binary): Likewise.
        (fold_ternary): Position and size of BIT_FIELD_REFs are
        always host integers.
        (make_bit_field_ref): Remove.
        (optimize_bit_field_compare): Remove.
        (all_ones_mask_p): Remove.

2008-03-05  Gabor Loki  <loki@gcc.gnu.org>

        PR gcc/33009
        * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
        (split_block_and_df_analyze): New. Split basic block and rebuild
        dataflow.
        (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
        SPLIT_BLOCK.
        (split_pattern_seq): Likewise.
        (erase_matching_seqs): Likewise.
        (split_pattern_seq): Skip return insn in case of REG_NORETURN note.

2008-03-04  Geoff Keating  <geoffk@apple.com>

        * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
        declaration and code.
        (tree_invalid_nonnegative_warnv_p): Likewise.

2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>

        * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
        examples.  Truncate option-names then causing overfull hbox.

2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/35222
        * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
        on hpux10.
        * configure: Rebuilt.

2008-03-04  Rafael Espindola  <espindola@google.com>

        * fold-const.c (tree_simple_nonnegative_warnv_p): New.
        (tree_unary_nonnegative_warnv_p): New.
        (tree_binary_nonnegative_warnv_p): New.
        (tree_single_nonnegative_warnv_p): New.
        (tree_invalid_nonnegative_warnv_p): New.
        (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.

2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 28322
        * opts.c (handle_option): Postpone 'unknown option' errors only for
        warning options.

2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/35453
        * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
        (_SIDD_XXX): This.

2008-03-04  Rafael Espindola  <espindola@google.com>

        * fold-const.c (tree_unary_nonzero_warnv_p): New.
        (tree_binary_nonzero_warnv_p): New.
        (tree_single_nonzero_warnv_p): New.
        (tree_expr_nonzero_warnv_p): Redefine using the new functions.

2008-03-04  Uros Bizjak  <ubizjak@gmail.com>

        PR middle-end/35456
        * fold-const.c (fold_cond_expr_with_comparison): Prevent
        transformations for modes that have signed zeros.
        * ifcvt.c (noce_try_abs): Ditto.

2008-03-04  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/i386.c (override_options): Force
        -maccumulate-outgoing-args on if TARGET_STACK_PROBE.

2008-03-04  Jan Hubicka  <jh@suse.cz>

        PR c++/35262
        * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
        in last commit.

2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
        label to probe the stack.

2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>

        * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
        (__gthr_win32_mutex_destroy): Declare.
        [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
        __gthr_win32_mutex_destroy.
        * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.

2008-03-03  Jan Hubicka  <jh@suse.cz>

        PR c++/35262
        * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
        aggressive on inlining cold calls.

2008-03-03  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
        struct copies into the expression table.
        (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
        (try_to_simplify): Likewise.
        * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
        integral and pointer arguments which do not change the
        precision to NOP_EXPRs.
        * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
        VIEW_CONVERT_EXPR case.

2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
        defined in a loop at depth 0 is invariant.
        * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
        * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
        be called at loop depth 0.

2008-03-02  Jakub Jelinek  <jakub@redhat.com>

        PR driver/35420
        * gcc.c (process_command): Update copyright notice dates.
        * gcov.c (print_version): Likewise.
        * gcov-dump.c (print_version): Likewise.
        * mips-tfile.c (main): Likewise.
        * mips-tdump.c (main): Likewise.

2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 24924
        * c-common.c (flag_permissive): Delete.
        (constant_expression_warnings): Check flags first.
        (constant_expression_error): New.
        * c-common.h (flag_permissive): Delete.
        (constant_expression_error): Declare.
        * flags.h (flag_permissive): Declare. Update description.
        * diagnostic.c (pedwarn): Update.
        (permerror): New.
        * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
        (permissive_error_kind): New.
        * toplev.c (flag_permissive): Define. Update description.
        * toplev.h (permissive_error_kind): Declare.
        * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
        (pedwarn_c90): Use pedantic_warning_kind.
        * c-opts.c (c_common_post_options): flag_permissive does not affect
        flag_pedantic_errors.

2008-03-02  Joseph Myers  <joseph@codesourcery.com>

        * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
        __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
        __absvsi2, __absvDI2): Use unsigned arithmetic.

2008-03-02  Andi Kleen  <ak@suse.de>
            Richard Guenther  <rguenther@suse.de>

        * struct-equiv.c: Remove file.
        * cfg_cleanup.c (condjump_equiv_p): Remove.
        * Makefile.in (OBJS-common): Remove struct-equiv.o.
        (struct-equiv.o): Remove rule.
        * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
        insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
        rtx_equiv_p, condjump_equiv_p): Remove prototypes.

2008-03-01  Alexandre Oliva  <aoliva@redhat.com>

        * ifcvt.c (noce_process_if_block): Try to handle only the then
        block if the else block exists but isn't suitable.

2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>

        PR gcc/35063
        * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
        * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
        regression from previous patch.

2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>

        PR gcc/35063
        * gthr.h: Add __gthread_mutex_destroy as a function that must be
        implemented.
        * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
        * gthr-single.h (__gthread_mutex_destroy): Likewise.
        * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
        * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
        * gthr-nks.h (__gthread_mutex_destroy): Likewise.
        * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
        * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
        (__gthread_mutex_destroy_function): Rename to
        __gthread_mutex_destroy.
        * gthr-dce.h (__gthread_mutex_destroy): Call
        pthread_mutex_destroy.
        * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
        * gthr-posix.h (__gthread_mutex_destroy): Likewise.
        * gthr-posix95.h (__gthread_mutex_destroy): Likewise.

2008-03-01  Alexandre Oliva  <aoliva@redhat.com>

        * df-scan.c (df_ref_chain_change_bb): Simplify.
        (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
        set_block_for_insn if there's any change.
        * df.h ((df_insn_change_bb): Fix prototype.
        * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
        df_insn_change_bb, don't call set_block_for_insn.
        * emit-rtl.c (reorder_insns): Likewise.
        * haifa-sched.c (move_insn): Likewise.

2008-03-01  Alexandre Oliva  <aoliva@redhat.com>

        * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.

2008-03-01  Alexandre Oliva  <aoliva@redhat.com>

        * tree-flow-inline.h (next_readonly_imm_use): Return
        NULL_USE_OPERAND_P after the end.

2008-03-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/35411
        * tree-sra.c (sra_build_assignment): Split conversion to
        final type to a separate statement if we are not assigning
        to a register.

2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        * fold-const.c (fold_convertible_p): Correct the logic to follow
        that in fold_convert().

2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>

        PR c++/35315
        * tree-inline.c (build_duplicate_type): When we make a
        duplicate type, make it unique in the canonical types system.

2008-02-29  Tom Tromey  <tromey@redhat.com>

        * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
        input_file_stack_history, input_file_stack_restored): Remove.
        (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
        * input.h (struct file_stack): Remove.
        (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
        (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
        Likewise.
        * diagnostic.h (struct diagnostic_context) <last_module>: Change
        type.
        (diagnostic_last_module_changed): Add 'map' argument.
        (diagnostic_set_last_function): Likewise.
        * diagnostic.c (undiagnostic_report_current_module): Iterate using
        line map, not input_file_stack.
        * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.

2008-02-29  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.

2008-02-29  Paul Brook  <paul@codesourcery.com>

        * config/arm/ieee754-df.S (muldf3): Use RET macros.

2008-02-29  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
        vn_lookup_or_add.
        * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
        value for comparing for a store match.
        (simplify_unary_expression): Do nothing for SSA_NAMEs.
        (try_to_simplify): Do not do a full-blown reference lookup.

2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
        (TARGET_SCALAR_MODE_SUPPORTED_P): Define.

        * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.

2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-loop-linear.c (try_interchange_loops): Compare memory access
        strides against cache sizes.

2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_secondary_reload): Handle loading a float
        constant to fpul.

2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>

        * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
        of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
        is smaller than the original promoted value.
        (simplify_subreg): If OP is a SUBREG, try to preserve its
        SUBREG_PROMOTED_VAR_P information.

2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>

        * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
        (VN_INFO_GET): Allocate new objects on the obstack.
        (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
        for rpo_numbers_temp, for consistency.
        (free_scc_vn): Free the obstack.

2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>

        * doc/invoke.texi: Document -ftree-loop-distribution.
        * tree-loop-distribution.c: New.
        * tree-pass.h (pass_loop_distribution): New.
        * graphds.h (struct graph): Add htab_t indices.
        * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
        * tree-vectorizer.c (rename_variables_in_loop): Extern.
        (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
        * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
        * tree-data-ref.c (debug_data_dependence_relations): New.
        (dump_data_dependence_relation): Also print data references.
        (free_data_ref): Extern.
        (same_access_functions): Moved...
        (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
        (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
        debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
        struct rdg_vertex_info, rdg_vertex_for_stmt): New.
        (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
        (stmts_from_loop): Skip LABEL_EXPR.
        (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
        New.
        (build_rdg): Initialize rdg->indices htab.
        (free_rdg, stores_from_loop, ref_base_address,
        rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
        have_similar_memory_accesses_1, ref_base_address_1,
        remove_similar_memory_refs): New.
        * tree-data-ref.h: Depend on tree-chrec.h.
        (debug_data_dependence_relations, free_data_ref): Declared.
        (same_access_functions): ... here.
        (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
        New.
        (struct rdg_vertex): Add has_mem_write and has_mem_reads.
        (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
        RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
        (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
        debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
        rdg_vertex_for_stmt): Declared.
        (struct rdg_edge): Add level.
        (RDGE_LEVEL): New.
        (free_rdg, stores_from_loop, remove_similar_memory_refs,
        rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
        Declared.
        (rdg_has_similar_memory_accesses): New.
        * tree-vect-analyze.c: Remove unused static decls.
        * lambda.h (dependence_level): New.
        * common.opt (ftree-loop-distribution): New.
        * tree-flow.h (mark_virtual_ops_in_bb, 
        slpeel_tree_duplicate_loop_to_edge_cfg,
        rename_variables_in_loop): Declared.
        * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
        (OBJS-common): Add tree-loop-distribution.o.
        (tree-loop-distribution.o): New rule.
        * tree-cfg.c (mark_virtual_ops_in_bb): New.
        (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
        * passes.c (init_optimization_passes): Schedule pass_loop_distribution.

2008-02-28  Joseph Myers  <joseph@codesourcery.com>

        PR target/33963
        * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
        other than structures and unions.

2008-02-28  Richard Guenther  <rguenther@suse.de>

        Revert:
        2008-02-26  Richard Guenther  <rguenther@suse.de>

        * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
        * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
        (lookup_decl_from_uid): Declare.
        (remove_decl_from_map): Likewise.
        * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
        * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
        (decl_for_uid_map): New global hashtable mapping DECL_UID
        to the decl tree.
        (init_ttree): Allocate it.
        (insert_decl_to_uid_decl_map): New helper function.
        (make_node_stat): Insert new decls into the map.
        (copy_node_stat): Likewise.
        (lookup_decl_from_uid): New function.
        (remove_decl_from_map): Likewise.
        (print_decl_for_uid_map_statistics): New helper.
        (dump_tree_statistics): Call it.

        * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
        (referenced_var_iterator): Adjust.
        (FOR_EACH_REFERENCED_VAR): Adjust.
        (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
        (num_referenced_vars): Adjust.
        * tree-flow-inline.h (gimple_referenced_vars): Adjust.
        (first_referenced_var): Remove.
        (end_referenced_vars_p): Likewise.
        (next_referenced_var): Likewise.
        (referenced_var_iterator_set): New helper function.
        * tree-dfa.c (referenced_var_lookup): Adjust.
        (referenced_var_check_and_insert): Likewise.
        (remove_referenced_var): Likewise.
        * tree-ssa.c (verify_flow_insensitive_alias_info): Use
        FOR_EACH_REFERENCED_VAR_IN_BITMAP.
        (verify_call_clobbering): Likewise.
        (verify_memory_partitions): Likewise.
        (init_tree_ssa): Allocate bitmap instead of hashtable for
        referenced_vars.
        (delete_tree_ssa): Adjust.
        * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
        FOR_EACH_REFERENCED_VAR_IN_BITMAP.
        (compute_tag_properties): Likewise.
        (set_initial_properties): Likewise.
        (find_partition_for): Likewise.
        (update_reference_counts): Likewise.
        (dump_may_aliases_for): Likewise.
        * tree-ssa-operands.c (add_virtual_operand): Likewise.
        (add_call_clobber_ops): Likewise.
        (add_call_read_ops): Likewise.
        (get_asm_expr_operands): Likewise.
        * tree-into-ssa.c (dump_decl_set): Likewise.
        (update_ssa): Likewise.
        * tree-sra.c (scan_function): Likewise.
        (decide_instantiations): Likewise.
        (scalarize_parms): Likewise.
        * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
        (dsa_named_for): Likewise.
        * tree-ssa-structalias.c (update_alias_info): Likewise.
        (merge_smts_into): Likewise.

2008-02-27  David Daney  <ddaney@avtrex.com>

        PR target/34409
        * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
        * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
        * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
        * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
        * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.

2008-02-27  Uros Bizjak  <ubizjak@gmail.com>

        PR target/25477
        * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
        (BUILT_IN_NEXTTOWARD): Remove.
        (BUILT_IN_NEXTTOWARDF): Ditto.
        * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
        alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.

2008-02-27  Tom Tromey  <tromey@redhat.com>

        * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
        DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.

2008-02-27  Jan Beulich  <jbeulich@novell.com>

        * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
        update the respective field on newdecl.

2008-02-27  Revital Eres  <eres@il.ibm.com>

        PR rtl-optimization/34999
        * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
        crossing edges that ends with a call insn.
        (fix_up_fall_thru_edges): Handle crossing edges that ends with a
        call insn and clear the EDGE_CROSSING flag of the crossing edge
        when fixing fallthru edges.

2008-02-27  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35390
        * fold-const.c (fold_unary): Return the correct argument,
        converted to the result type.

2008-02-27  Richard Guenther  <rguenther@suse.de>

        PR middle-end/34971
        * expr.c (expand_expr_real_1): Assert on rotates that operate
        on partial modes.
        * fold-const.c (fold_binary): Use the types precision, not the
        bitsize of the mode if folding rotate expressions.  Build rotates
        only for full modes.

2008-02-27  Jakub Jelinek  <jakub@redhat.com>

        * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
        and CPP_PRAGMA_EOL.
        * c-pragma.c (pragma_ns_name): New typedef.
        (registered_pp_pragmas): New variable.
        (c_pp_lookup_pragma): New function.
        (c_register_pragma_1): If flag_preprocess_only, do nothing
        for non-expanded pragmas, for expanded ones push pragma's
        namespace and name into registered_pp_pragmas vector.
        (c_invoke_pragma_handler): Register OpenMP pragmas even when
        flag_preprocess_only, don't register GCC pch_preprocess
        pragma if flag_preprocess_only.
        * c-opts.c (c_common_init): Call init_pragma even if
        flag_preprocess_only.
        * c-pragma.c (c_pp_lookup_pragma): New prototype.
        * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
        cpp_register_pragma if flag_preprocess_only.

2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR c/28800
        * c-parser.c (c_parser_translation_unit): Warn for empty
        translation unit, not empty source file.

2008-02-26  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
        operand for Thumb-2.
        * config/arm/arm.h (reg_class): Add CORE_REGS.
        (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
        (BASE_REG_CLASS): Use CORE_REGS.
        (PREFERRED_RELOAD_CLASS): Add STACK_REG.
        (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
        (REGNO_OK_FOR_INDEX_P): Exclude SP.
        (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
        ARM_REGNO_OK_FOR_INDEX_P.
        (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
        * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
        arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
        (ldm/stm peepholes): Ditto.
        * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
        * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
        * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
        * config/arm/constraints.md: Enable "k" constraint on ARM.

2008-02-27  Ben Elliston  <bje@au.ibm.com>

        * config/rs6000/rs6000.c: Annotate cache line size field in all
        instances of struct processor_costs.

2008-02-26  David Edelsohn  <edelsohn@gnu.org>

        * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
        dse2, gcse, if_conversion, if_after_combine, if_after_reload,
        jump_bypass): New counters.
        * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
        * dce.c (gate_ud_dce): Same.
        (gate_fast_dce): Same.
        * dse.c (gate_dse1): New function.
        (gate_dse2): New function.
        (gate_dse): Merge results of new gate functions.
        * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
        (gate_handle_jump_bypass): Add dbg_cnt.
        (gate_handle_gcse): Add dbg_cnt.
        * ifcvt.c (gate_handle_if_conversion): Same.
        (gate_handle_if_after_combine): Same.
        (gate_handle_if_after_reload): Same.
        * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.

2008-02-26  Edmar Wienskoski  <edmar@freescale.com>

        * config/rs6000/rs6000.c (processor_costs): Update e300 cache
        line sizes.
        * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.

2008-02-26  Jason Merrill  <jason@redhat.com>

        PR c++/35315
        * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
        alone if it's the naming decl for the type's main variant.

2008-02-26  Tom Tromey  <tromey@redhat.com>

        * system.h (USE_MAPPED_LOCATION): Poison.
        * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
        * tree-cfg.c (make_cond_expr_edges): Remove old location code.
        (make_goto_expr_edges): Likewise.
        (remove_bb): Likewise.
        (execute_warn_function_return): Likewise.
        * basic-block.h (struct edge_def) <goto_locus>: Change type to
        location_t.
        * c-common.c (fname_decl): Remove old location code.
        * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
        location code.
        * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
        variant.
        (ASM_INPUT_SOURCE_LOCATION): Likewise.
        (gen_rtx_ASM_INPUT): Likewise.
        (gen_rtx_ASM_INPUT_loc): Likewise.
        (get_rtx_asm_OPERANDS): Remove.
        * cfglayout.c (insn_locators_alloc): Remove old location code.
        (set_curr_insn_source_location): Likewise.
        (curr_insn_locator): Likewise.
        * print-tree.c (print_node): Remove old location code.
        * tree-mudflap.c (mf_varname_tree): Remove old location code.
        (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
        * cfgexpand.c (expand_gimple_cond_expr): Don't use
        location_from_locus.
        (construct_exit_block): Remove old location code.
        * emit-rtl.c (force_next_line_note): Remove old location code.
        * profile.c (branch_prob): Remove old location code.
        * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
        LOC_LINE): Remove old-location variants.
        * langhooks.c (lhd_print_error_function): Remove old location
        code.
        * configure, config.in: Rebuilt.
        * configure.ac (--enable-mapped-location): Remove.
        * c-decl.c (c_init_decl_processing): Remove old location code.
        (finish_function): Likewise.
        * recog.c (decode_asm_operands): Remove old location code.
        * c-pch.c (c_common_read_pch): Remove old location code.
        * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
        variants.
        * gimple-low.c (lower_function_body): Remove old location code.
        * toplev.c (unknown_location): Remove.
        (push_srcloc): Remove old-location variant.
        (process_options): Remove old location code.
        (lang_dependent_init): Likewise.
        * input.h (UNKNOWN_LOCATION): Move definition.
        (location_t): Undeprecate.
        (source_locus): Remove.
        (location_from_locus): Remove.
        (struct location_s): Remove.
        Remove all old-location code.
        (input_line, input_filename): Remove.
        * final.c (final_scan_insn): Remove old location code.
        * diagnostic.c (diagnostic_build_prefix): Remove
        USE_MAPPED_LOCATION test.
        * tree.h (gimple_stmt) <locus>: Now a location_t.
        (tree_exp) <locus>: Likewise.
        (DECL_IS_BUILTIN): Remove old-location variant.
        (annotate_with_file_line, annotate_with_locus): Likewise.
        (expr_locus, set_expr_locus): Update.
        * tree.c (build1_stat): Remove old location code.
        (last_annotated_node): Remove.
        (annotate_with_file_line): Remove old-location variant.
        (annotate_with_locus): Likewise.
        (expr_location): Remove old location code.
        (set_expr_location): Likewise.
        (expr_has_location): Likewise.
        (expr_locus): Likewise.
        (set_expr_locus): Likewise.
        (expr_filename): Don't use location_from_locus.
        (expr_lineno): Likewise.
        * rtl-error.c (location_for_asm): Remove old location code.
        * c-lex.c (cb_line_change): Remove old location code.
        (fe_file_change): Likewise.
        (cb_def_pragma): Likewise.
        (c_lex_with_flags): Likewise.
        * gengtype.c (do_typedef): Don't special-case location types.
        (define_location_structures): Remove.
        (main): Don't call define_location_structures.
        * tree-pretty-print.c (dump_implicit_edges): Remove old location
        code.

2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 26264
        * builtins.def (BUILT_IN_STDARG_START): Remove.
        * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
        * tree-stdarg.c (execute_optimize_stdarg): Likewise.
        * tree-inline.c (inline_forbidden_p_1): Likewise.
        
2008-02-26  Richard Guenther  <rguenther@suse.de>

        * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
        * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
        (lookup_decl_from_uid): Declare.
        (remove_decl_from_map): Likewise.
        * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
        * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
        (decl_for_uid_map): New global hashtable mapping DECL_UID
        to the decl tree.
        (init_ttree): Allocate it.
        (insert_decl_to_uid_decl_map): New helper function.
        (make_node_stat): Insert new decls into the map.
        (copy_node_stat): Likewise.
        (lookup_decl_from_uid): New function.
        (remove_decl_from_map): Likewise.
        (print_decl_for_uid_map_statistics): New helper.
        (dump_tree_statistics): Call it.

        * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
        (referenced_var_iterator): Adjust.
        (FOR_EACH_REFERENCED_VAR): Adjust.
        (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
        (num_referenced_vars): Adjust.
        * tree-flow-inline.h (gimple_referenced_vars): Adjust.
        (first_referenced_var): Remove.
        (end_referenced_vars_p): Likewise.
        (next_referenced_var): Likewise.
        (referenced_var_iterator_set): New helper function.
        * tree-dfa.c (referenced_var_lookup): Adjust.
        (referenced_var_check_and_insert): Likewise.
        (remove_referenced_var): Likewise.
        * tree-ssa.c (verify_flow_insensitive_alias_info): Use
        FOR_EACH_REFERENCED_VAR_IN_BITMAP.
        (verify_call_clobbering): Likewise.
        (verify_memory_partitions): Likewise.
        (init_tree_ssa): Allocate bitmap instead of hashtable for
        referenced_vars.
        (delete_tree_ssa): Adjust.
        * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
        FOR_EACH_REFERENCED_VAR_IN_BITMAP.
        (compute_tag_properties): Likewise.
        (set_initial_properties): Likewise.
        (find_partition_for): Likewise.
        (update_reference_counts): Likewise.
        (dump_may_aliases_for): Likewise.
        * tree-ssa-operands.c (add_virtual_operand): Likewise.
        (add_call_clobber_ops): Likewise.
        (add_call_read_ops): Likewise.
        (get_asm_expr_operands): Likewise.
        * tree-into-ssa.c (dump_decl_set): Likewise.
        (update_ssa): Likewise.
        * tree-sra.c (scan_function): Likewise.
        (decide_instantiations): Likewise.
        (scalarize_parms): Likewise.
        * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
        (dsa_named_for): Likewise.
        * tree-ssa-structalias.c (update_alias_info): Likewise.
        (merge_smts_into): Likewise.

2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 34351
        * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
        * c-opts.c (c_common_handle_option): Wall enables
        Wvolatile-register-var.
        * common.opt: Move Wvolatile-register-var to...
        * c.opt: ...here.
        
2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * common.opt (Wlarger-than=): New.
        * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
        -Wlarger-than=.
        * opts.c (common_handle_option): Handle -Wlarger-than=.
        * optc-gen.awk: Likewise.
        * opth-gen.awk: Likewise.
        * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
        * tree-optimize.c (tree_rest_of_compilation): Likewise.
        
2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>

        * c-common.c (match_case_to_enum_1): Add appropriate
        OPT_W* parameter to warning.
        (c_do_switch_warnings): Likewise.
        * c-typeck.c (warning_init): Add one more parameter following
        'warning' function.
        (push_init_level): Update call to warning_init.
        (pop_init_level): Likewise.
        (add_pending_init): Likewise.
        (output_init_element: Likewise.

2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 28322
        * toplev.c (toplev_main): If there are warnings or error, print
        errors for ignored options.
        * opts.c (ignored_options): New static variable.
        (postpone_unknown_option_error): New.
        (print_ignored_options): New.
        (handle_option): Postpone errors for unknown -Wno-* options.
        * opts.h (print_ignored_options): Declare.
        
2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.md (loadgp_blockage, blockage): Change type
        to "ghost".

2008-02-25  Richard Guenther  <rguenther@suse.de>

        Revert:
        2008-02-25  Richard Guenther  <rguenther@suse.de>

        * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
        * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
        (lookup_decl_from_uid): Declare.
        * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
        * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
        (decl_for_uid_map): New global hashtable mapping DECL_UID
        to the decl tree.
        (init_ttree): Allocate it.
        (insert_decl_to_uid_decl_map): New helper function.
        (make_node_stat): Insert new decls into the map.
        (copy_node_stat): Likewise.
        (lookup_decl_from_uid): New function.
        (print_decl_for_uid_map_statistics): New helper.
        (dump_tree_statistics): Call it.

        * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
        (referenced_var_iterator): Adjust.
        (FOR_EACH_REFERENCED_VAR): Adjust.
        (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
        (num_referenced_vars): Adjust.
        * tree-flow-inline.h (gimple_referenced_vars): Adjust.
        (first_referenced_var): Remove.
        (end_referenced_vars_p): Likewise.
        (next_referenced_var): Likewise.
        (referenced_var_iterator_set): New helper function.
        * tree-dfa.c (referenced_var_lookup): Adjust.
        (referenced_var_check_and_insert): Likewise.
        (remove_referenced_var): Likewise.
        * tree-ssa.c (verify_flow_insensitive_alias_info): Use
        FOR_EACH_REFERENCED_VAR_IN_BITMAP.
        (verify_call_clobbering): Likewise.
        (verify_memory_partitions): Likewise.
        (init_tree_ssa): Allocate bitmap instead of hashtable for
        referenced_vars.
        (delete_tree_ssa): Adjust.
        * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
        FOR_EACH_REFERENCED_VAR_IN_BITMAP.
        (compute_tag_properties): Likewise.
        (set_initial_properties): Likewise.
        (find_partition_for): Likewise.
        (update_reference_counts): Likewise.
        (dump_may_aliases_for): Likewise.
        * tree-ssa-operands.c (add_virtual_operand): Likewise.
        (add_call_clobber_ops): Likewise.
        (add_call_read_ops): Likewise.
        (get_asm_expr_operands): Likewise.
        * tree-into-ssa.c (dump_decl_set): Likewise.
        (update_ssa): Likewise.
        * tree-sra.c (scan_function): Likewise.
        (decide_instantiations): Likewise.
        (scalarize_parms): Likewise.
        * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
        (dsa_named_for): Likewise.
        * tree-ssa-structalias.c (update_alias_info): Likewise.
        (merge_smts_into): Likewise.

2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>

        PR fortran/29549
        * doc/invoke.texi (-fcx-limited-range): Document new option.
        * toplev.c (process_options): Handle -fcx-fortran-rules.
        * common.opt: Add documentation for -fcx-fortran-rules.

2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>

        PR c/35162
        * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
        actual behaviour and C99.
        
2008-02-26  Ben Elliston  <bje@au.ibm.com>

        * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
        (ASM_CPU_POWER6_SPEC): Likewise.
        (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
        Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
        (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.

2008-02-25  Richard Guenther  <rguenther@suse.de>

        * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
        * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
        (lookup_decl_from_uid): Declare.
        * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
        * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
        (decl_for_uid_map): New global hashtable mapping DECL_UID
        to the decl tree.
        (init_ttree): Allocate it.
        (insert_decl_to_uid_decl_map): New helper function.
        (make_node_stat): Insert new decls into the map.
        (copy_node_stat): Likewise.
        (lookup_decl_from_uid): New function.
        (print_decl_for_uid_map_statistics): New helper.
        (dump_tree_statistics): Call it.

        * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
        (referenced_var_iterator): Adjust.
        (FOR_EACH_REFERENCED_VAR): Adjust.
        (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
        (num_referenced_vars): Adjust.
        * tree-flow-inline.h (gimple_referenced_vars): Adjust.
        (first_referenced_var): Remove.
        (end_referenced_vars_p): Likewise.
        (next_referenced_var): Likewise.
        (referenced_var_iterator_set): New helper function.
        * tree-dfa.c (referenced_var_lookup): Adjust.
        (referenced_var_check_and_insert): Likewise.
        (remove_referenced_var): Likewise.
        * tree-ssa.c (verify_flow_insensitive_alias_info): Use
        FOR_EACH_REFERENCED_VAR_IN_BITMAP.
        (verify_call_clobbering): Likewise.
        (verify_memory_partitions): Likewise.
        (init_tree_ssa): Allocate bitmap instead of hashtable for
        referenced_vars.
        (delete_tree_ssa): Adjust.
        * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
        FOR_EACH_REFERENCED_VAR_IN_BITMAP.
        (compute_tag_properties): Likewise.
        (set_initial_properties): Likewise.
        (find_partition_for): Likewise.
        (update_reference_counts): Likewise.
        (dump_may_aliases_for): Likewise.
        * tree-ssa-operands.c (add_virtual_operand): Likewise.
        (add_call_clobber_ops): Likewise.
        (add_call_read_ops): Likewise.
        (get_asm_expr_operands): Likewise.
        * tree-into-ssa.c (dump_decl_set): Likewise.
        (update_ssa): Likewise.
        * tree-sra.c (scan_function): Likewise.
        (decide_instantiations): Likewise.
        (scalarize_parms): Likewise.
        * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
        (dsa_named_for): Likewise.
        * tree-ssa-structalias.c (update_alias_info): Likewise.
        (merge_smts_into): Likewise.

2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>

        PR target/35258
        * cse.c (cse_insn): Avoid creation of overlapping MEMs.
        * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
        * alias.h (nonoverlapping_memrefs_p): Likewise.

2008-02-25  Jan Beulich  <jbeulich@novell.com>

        * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
        * config/i386/netware-libgcc.exp: Add __bswap?i2,
        __emultls_get_address, __emultls_register_common,
        __floatundi?f, and _Unwind_GetIPInfo.
        * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
        Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
        (gen_regparm_prefix): Likewise.
        (i386_nlm_encode_section_info): Sync with
        config/i386/winnt.c:i386_pe_encode_section_info().
        (i386_nlm_maybe_mangle_decl_assembler_name): New.
        i386_nlm_mangle_decl_assembler_name): New.
        (netware_override_options): New.
        * config/i386/netware.h (netware_override_options): Declare.
        (OVERRIDE_OPTIONS): Re-define to netware_override_options.
        (i386_nlm_mangle_decl_assembler_name): Declare.
        (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.

2008-02-25  Ben Elliston  <bje@au.ibm.com>

        PR other/32948
        * c-decl.c (grokdeclarator): Remove unused local variables
        `typedef_type' and `type_as_written'.
        * bb-reorder.c
        (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
        unused local variable `has_hot_blocks'.
        (fix_crossing_conditional_branches): Remove unused local variable
        `prev_bb'.
        
2008-02-25  Uros Bizjak  <ubizjak@gmail.com>

        PR middle-end/19984
        * builtins.def (BUILT_IN_NAN): Define as c99 builtin
        using DEF_C99_BUILTIN.
        (BUILT_IN_NANF): Ditto.
        (BUILT_IN_NANL): Ditto.

2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
            Revital Eres  <eres@il.ibm.com>

        * modulo-sched.c (calculate_must_precede_follow): Address TODO
        regarding the order of two dependent insns in the same row.

2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>

        * stor-layout.c (layout_decl): Do not bump the alignment of a
        bit-field to more than byte alignment if it is packed.

2008-02-24  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (processor_costs): Add cache costs for
        e300c2 and e300c3.

2008-02-24  Diego Novillo  <dnovillo@google.com>

        http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html

        PR 33738
        * tree-vrp.c (vrp_evaluate_conditional): With
        -Wtype-limits, emit a warning when comparing against a
        constant outside the natural range of OP0's type.
        * c.opt (Wtype-limits): Move ...
        * common.opt (Wtype-limits): ... here.

2008-02-24  Edmar Wienskoski  <edmar@freescale.com>

        * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
        * config/rs6000/e300c2c3.md: New file.
        * config/rs6000/rs6000.c (processor_costs): Add new costs for
        e300c2 and e300c3.
        (rs6000_override_options): Add e300c2 and e300c3 cases to
        processor_target_table. Do not allow usage of Altivec or Spe
        with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
        (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
        * config/rs6000/rs6000.h (processor_type): Add
        PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
        (ASM_CPU_SPEC): Add e300c2 and e300c3.
        * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
        and ppce300c3. Include e300c2c3.md.

2008-02-23  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
        instead of TARGET_STRICT_ALIGN.

2008-02-23  Joseph Myers  <joseph@codesourcery.com>

        * explow.c (memory_address): Assert that the generated address is
        valid.

2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        PR target/25477
        * config/darwin-protos.h: Add darwin_patch_builtins prototype.
        * config/darwin-ppc-ldouble-patch.def: New file.
        * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
        * config/rs6000/rs6000.c (rs6000_init_builtins): Call
        SUBTARGET_INIT_BUILTINS if defined.
        * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
        New functions.

2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR rtl-opt/33512
        * simplify-rtx.c (simplify_binary_operation_1): Add simplification
        of (and X (ior (not X) Y) and (and (ior (not X) Y) X).

2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR pch/35027
        * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
        file" warning condtional on -Winvalid-PCH.

2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>

        * expmed.c (extract_bit_field): Always use adjust_address for MEM.

2008-02-23  Uros Bizjak  <ubizjak@gmail.com>

        PR target/22076
        PR target/34256 
        * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
        prevent reload from using MMX registers.
        (*mov<mode>_internal): Ditto.
        (*movv2sf_internal_rex64): Ditto.
        (*movv2sf_internal): Ditto.

2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR documentation/31569
        * doc/install.texi2html: Use makeinfo --no-number-sections.

2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>

        * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
        ensure that we can address an entire entity > 8 bytes.  Don't
        generate reg+reg addressing for such data.

2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>

        * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
        strings when optimizing for size, unless the target cares about
        alignment.

2008-02-22  Tom Tromey  <tromey@redhat.com>

        * regclass.c (current_pass): Remove declaration.

2008-02-22  Anatoly Sokolov <aesok@post.ru>

        * config/avr/libgcc.S (__RAMPZ__): Define.
        (__do_copy_data): Add for devices with 128KB code memory.

2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>

        * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
        Use spe_abi.
        * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.

2008-02-22  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
        GENNONACR_REGS.

2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR c/19999
        * c-typeck.c (build_binary_op): Warn about floating point
        comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.

2008-02-21  Janis Johnson  <janis187@us.ibm.com>

        PR target/34526
        * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
        (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
        add vrsave.
        (rs6000_override_options): Set altivec_abi as default, not override,
        for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
        TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
        is used; use new member spe_abi.
        (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
        spe_abi and altivec_abi.

2008-02-22  Tomas Bily  <tbily@suse.cz>

        * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.

2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR bootstrap/35273
        * config.build (build_file_translate): Set to `CMD //c' only if
        it works.
        * Makefile.in (build_file_translate): Improve comment.

2008-02-21  Jan Hubicka  <jh@suse.cz>

        * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
        PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
        PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.

2008-02-21  Michael Matz  <matz@suse.de>

        PR target/35264
        * config/i386/i386.c (ix86_expand_branch): Add missing breaks.

2008-02-21  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
        movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
        as insn constraint.
        * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
        from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
        SSE_VEC_FLOAT_MODE_P as insn constraint.
        (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
        (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
        sse4a_movntdf using MODEF mode iterator.
        (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
        sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
        (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
        (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
        (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
        (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
        (sse4_1_rounds<ssemodesuffixf2c>): Ditto.

2008-02-21  Richard Guenther  <rguenther@suse.de>

        * tree.def (PAREN_EXPR): New tree code.
        * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
        and PAREN_EXPR.
        * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
        * expr.c (expand_expr_real_1): Likewise.
        * tree-inline.c (estimate_num_insns_1): Likewise.
        * tree-complex.c (expand_complex_move): Likewise.
        * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
        as plain x.

2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/35225
        * config/sh/sh.c (find_barrier): Don't go past 'from' argument.

2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/35190
        * config/sh/sh.md (jump_compact): Disable for crossing jumps.

        * config/sh/sh.c (find_barrier): Don't go past
        NOTE_INSN_SWITCH_TEXT_SECTIONS note.

2008-02-20  DJ Delorie  <dj@redhat.com>

        * config/h8300/h8300.md (insv): Force source operand to be a register.

        * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
        as a jump, not as a plain insn.
        
2008-02-20  Seongbae Park <seongbae.park@gmail.com>

        * doc/invoke.texi (Warning Options): Add new option
        -Wframe-larger-than=.
        (-Wframe-larger-than): Document.

        * flags.h (warn_frame_larger_than, frame_larger_than_size):
        Add declarations for new option variables.

        * final.c (final_start_function): Check the frame size
        before emission and issue a Wframe-larger-than warning.

        * opts.c (warn_frame_larger_than, frame_larger_than_size):
        Add definitions for new option variables.
        (common_handle_option): Handle new option OPT_Wframe_larger_than_.

        * common.opt (Wframe-larger-than=): New option.

2008-02-20  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
        (<sse>_div<mode>3): Ditto.
        (<sse>_vmdiv<mode>3): Ditto.
        (<sse>_vmsqrt<mode>2): Ditto.
        (*smax<mode>3): Ditto.
        (sse5_frcz<mode>2): Ditto.
        (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
        as insn constraint.

2008-02-20  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35265
        * builtins.c (validate_arg): If we want an INTEGER_TYPE,
        be happy with INTEGRAL_TYPE_P.

2008-02-20  Richard Guenther  <rguenther@suse.de>

        * fold-const.c (split_tree): Associate floatig-point expressions
        if flag_associative_math is set.

2008-02-20  Richard Guenther  <rguenther@suse.de>

        * tree.h (fold_real_zero_addition_p): Declare.
        * fold-const.c (fold_real_zero_addition_p): Export.
        * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
        floating-point operations with zero and one.

2008-02-20  Paolo Bonzini  <bonzini@gnu.org>

        * doc/install.texi: Correct references to CFLAGS, replacing them
        with BOOT_CFLAGS.  Document flags used during bootstrap for
        target libraries.
                                
2008-02-20  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
        * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
        and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
        insn constraint.
        (smin<mode>3): Ditto from similar patterns.
        (smax<mode>3): Ditto.
        (*ieee_smin<mode>3): Ditto.
        (*ieee_smax<mode>3): Ditto.
        * config/i386/sse.md (sse): New mode attribute.
        (mov<mode>): Macroize expander from movv4sf and movv2df using
        SSEMODEF2P mode iterator.
        (<sse>_movnt<mode>): Ditto from similar patterns. Use
        SSE_VEC_FLOAT_MODE_P as insn constraint.
        (storent<mode>): Ditto.
        (storent<mode>): Macroize expander from storentsf and storentdf using
        MODEF mode iterator.
        (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
        mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
        (abs<mode>2): Ditto from similar patterns.
        (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
        (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
        (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
        (<sse>_vmsqrt<mode>2): Ditto.
        (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
        (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
        (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
        (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
        (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
        sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
        mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
        insn constraint.
        (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
        iterator and SSE_FLOAT_MODE_P as insn constraint.
        (<sse>_ucomi): Ditto from similar patterns.
        (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
        sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
        SSE_VEC_FLOAT_MODE_P as insn constraint.
        (vcond<mode>): Ditto from similar patterns.
        (and<mode>3, *and<mode>3): Ditto.
        (<sse>_nand<mode>3): Ditto.
        (ior<mode>3, *ior<mode>3): Ditto.
        (xor<mode>3, *xor<mode>3): Ditto.
        (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
        iterator and SSE_FLOAT_MODE_P as insn constraint.
        (*nand<mode>3): Ditto from similar patterns.
        (*ior<mode>3): Ditto.
        (*xor<mode>3): Ditto.

2008-02-20  Ira Rosen  <irar@il.ibm.com>

        * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
        vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
        vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.

2008-02-19  Jan Hubicka  <jh@suse.cz>

        * predict.c (tree_bb_level_predictions): Remove variable next
        mistakely introduced by previous commit.

2008-02-19  Jan Hubicka  <jh@suse.cz>

        * predict.c (predict_paths_leading_to): Rewrite.
        (predict_paths_for_bb): New.
        (tree_bb_level_predictions): Update call of predict_paths_leading_to.

2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR bootstrap/35218
        * Makefile.in (build_file_translate): New.
        (gcc-vers.texi): Use it for translating $(abs_srcdir).
        * config.build (build_file_translate): Set to `CMD //c' on MinGW.
        * configure.ac (build_file_translate): Substitute it.
        * configure: Regenerate.

2008-02-19  Jan Hubicka  <jh@suse.cz>

        PR rtl-optimization/34408
        * see.c (see_def_extension_not_merged): Copy subreg so we don't have
        invalid sharing.

2008-02-19  Jan Hubicka  <jh@suse.cz>

        PR middle-end/28779
        * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
        call_expr.

2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>

        PR Ada/35186
        * config/i386/i386-modes.def: Revert the last DI alignment
        change until Ada people can look into it.

2008-02-19  Nick Clifton  <nickc@redhat.com>

        * opts.c (print_specific_help): Fix typo in --help text.

2008-02-19  Jakub Jelinek  <jakub@redhat.com>

        PR target/35239
        * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
        32-bit inline asm without asm alternatives for host GCC < 3.0.

2008-02-19  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/34989
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
        Allow propagation to INDIRECT_REF if we can simplify only.

2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * c-common.c (warn_for_collisions_1): Use appropriate option when
        warning.

2008-02-19  Nick Clifton  <nickc@redhat.com>

        PR other/31349
        * opts.c (undocumented_msg): Leave blank unless checking is enabled.
        (handle_options): Fix indentation.
        (print_filtered_help): If no language-specific options were
        displayed tell the user how to list all the options supported by
        the language's front-end.
        (print_specific_help): Fix indentation and remove duplicate line.
        (common_handle_option): Handle the -v option.
        For --help enable the display of undocumented options if the -v
        switch has been included on the command line.
        For --help= check for overlaps in the arguments between the option
        classes and the language names and issue a warning when they
        cannot be disambiguated.
        * c.opt (v): Pass on to the common option handler.

2008-02-19  Revital Eres  <eres@il.ibm.com> 

        * modulo-sched.c (sms_schedule): Change dump message when
        create_ddg function fails.
        (try_scheduling_node_in_cycle): Rename row to cycle.
        (print_partial_schedule): Rename CYCLE to ROW.

2008-02-19  Christian Bruel  <christian.bruel@st.com>
            Zdenek Dvorak  <ook@ucw.cz>

        * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.

2008-02-19  Uros Bizjak  <ubizjak@gmail.com>

        PR target/33555
        * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
        (*x86_movdicc_0_m1_se): Ditto.

2008-02-19  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
        (CMPtype): Define as __gcc_CMPtype.
        * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
        (CMPtype): Define as __gcc_CMPtype.

2008-02-19  Hans-Peter Nilsson  <hp@axis.com>

        Support valgrind 3.3 for --enable-checking=valgrind.
        * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
        here.
        [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
        [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
        [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
        * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
        Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
        VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
        VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
        respectively.
        * ggc-zone.c: Similar.
        * ggc-page.c: Similar.

2008-02-19  Paul Brook  <paul@codesourcery.com>

        PR target/35071
        * config/arm/ieee754-df.S: Fix do_it typo.
        * config/arm/ieee754-sf.S: Fix do_it typo.

2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/35189
        * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
        (OPTION_MASK_ISA_3DNOW_SET): Likewise.
        (OPTION_MASK_ISA_SSE_SET): Likewise.
        (OPTION_MASK_ISA_SSE2_SET): Likewise.
        (OPTION_MASK_ISA_SSE3_SET): Likewise.
        (OPTION_MASK_ISA_SSSE3_SET): Likewise.
        (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
        (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
        (OPTION_MASK_ISA_SSE4_SET): Likewise.
        (OPTION_MASK_ISA_SSE4A_SET): Likewise.
        (OPTION_MASK_ISA_SSE5_SET): Likewise.
        (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
        (OPTION_MASK_ISA_MMX_UNSET): Updated.
        (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
        (OPTION_MASK_ISA_SSE_UNSET): Likewise.
        (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
        (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
        (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
        (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
        (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
        (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
        (OPTION_MASK_ISA_SSE4): Removed.
        (ix86_handle_option): Turn on bits in ix86_isa_flags and
        ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
        (override_options): Don't turn on implied SSE/MMX bits in
        ix86_isa_flags.

2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386-modes.def: Use 4 byte alignment on DI for
        32bit host.

2008-02-18  Joey Ye  <joey.ye@intel.com>

        PR middle-end/34921
        * tree-nested.c (insert_field_into_struct): Set type alignment
        to field alignment if the former is less than the latter.

2008-02-18  Jakub Jelinek  <jakub@redhat.com>

        * BASE-VER: Set to 4.4.0.

2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>

        * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
        * doc/cfg.texi: Likewise.
        * doc/extend.texi: Likewise.
        * doc/gty.texi: Likewise.
        * doc/invoke.texi: Likewise.
        * doc/loop.texi: Likewise.
        * doc/md.texi: Likewise.
        * doc/passes.texi: Likewise.
        * doc/rtl.texi: Likewise.
        * doc/sourcebuild.texi: Likewise.
        * doc/tm.texi: Likewise.
        * doc/tree-ssa.texi: Likewise.

2008-02-17  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35227
        * tree-complex.c (init_parameter_lattice_values): Handle parameters
        without default definition.

2008-02-17  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/35231
        * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
        if A | B != 1.

2008-02-17  Uros Bizjak  <ubizjak@gmail.com>

        Revert:
        2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
        * config/i386/sfp-machine.h (CMPtype): Define as typedef using
        libgcc_cmp_return mode.

2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR c/28368
        * doc/invoke.texi (-std): Clarify description of -std= and -ansi.

2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>

        * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
        multilibs.

2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/c-tree.texi: Use `@.' where appropriate.
        * doc/extend.texi: Likewise.
        * doc/install.texi: Likewise.
        * doc/invoke.texi: Likewise.
        * doc/loop.texi: Likewise.
        * doc/makefile.texi: Likewise.
        * doc/md.texi: Likewise.
        * doc/passes.texi: Likewise.
        * doc/standards.texi: Likewise.
        * doc/tm.texi: Likewise.

2008-02-15  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/35196
        * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
        in entry_bb.
        (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
        rather than in entry_bb.

2008-02-15  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sfp-machine.h (CMPtype): Define as typedef using
        libgcc_cmp_return mode.

2008-02-15  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/35130
        * tree-nested.c (convert_call_expr): Put FRAME.* vars into
        OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.

2008-02-15  Richard Guenther  <rguenther@suse.de>
            Zdenek Dvorak  <ook@ucw.cz>

        PR tree-optimization/35164
        * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
        * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
        * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
        Only propagate addresses which do not have abnormal SSA_NAMEs
        in their operands.

2008-02-15  Joseph Myers  <joseph@codesourcery.com>

        PR target/35088
        * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.

2008-02-15  Jan Hubicka  <jh@suse.cz>

        PR middle-end/35149
        * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.

2008-02-15  Uros Bizjak  <ubizjak@gmail.com>

        PR middle-end/34621
        * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
        when calculating alignment_pad.

2008-02-15  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
        (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
        * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
        and STACK_BOUNDARY define.

2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>

        PR preprocessor/35061
        * c-pragma.c (handle_pragma_pop_macro): Check that
        pushed_macro_table has been allocated.

2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/35136
        * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
        (force_gimple_operand): Likewise.
        * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
        for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
        Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
        (find_interesting_uses_address): Check addressability and alignment
        of the base expression only after substituting bases of IVs into it.

2008-02-14  Michael Matz  <matz@suse.de>

        PR target/34930
        * function.c (instantiate_virtual_regs_in_insn): Reload address
        before falling back to reloading the whole operand.

2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (s390_mainpool_start): Emit the pool
        before the first section switch note.

2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>

        * doc/bugreport.texi: Update copyright years.
        * doc/c-tree.texi: Likewise.
        * doc/cfg.texi: Likewise.
        * doc/cpp.texi: Likewise.
        * doc/cppinternals.texi: Likewise.
        * doc/fragments.texi: Likewise.
        * doc/frontends.texi: Likewise.
        * doc/gcc.texi: Likewise.
        * doc/gty.texi: Likewise.
        * doc/hostconfig.texi: Likewise.
        * doc/implement-c.texi: Likewise.
        * doc/libgcc.texi: Likewise.
        * doc/loop.texi: Likewise.
        * doc/makefile.texi: Likewise.
        * doc/options.texi: Likewise.
        * doc/passes.texi: Likewise.
        * doc/rtl.texi: Likewise.
        * doc/sourcebuild.texi: Likewise.
        * doc/standards.texi: Likewise.
        * doc/tree-ssa.texi: Likewise.
        * doc/trouble.texi: Likewise.

        * doc/extend.texi: Use @: or add comma where appropriate.
        * doc/invoke.texi: Likewise.
        * doc/tm.texi: Likewise.

2008-02-14  Alan Modra  <amodra@bigpond.net.au>

        PR target/34393
        * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
        to a reg.

2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>

        * doc/md.texi (clz, ctz): Add reference.
        * doc/rtl.texi (clz, ctz): Likewise.

2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR other/35148
        * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
        srcdir.

2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (struct constant_pool): New field
        emit_pool_after added.
        (s390_mainpool_start): Set the emit_pool_after flag according
        to the section switch notes.
        (s390_mainpool_finish): Consider emit_pool_after when emitting
        the literal pool at the end of the function.
        (s390_chunkify_start): Force literal pool splits at section
        switch notes.

2008-02-13  Michael Matz  <matz@suse.de>

        PR debug/35065
        * var-tracking.c (clobber_variable_part): Correctly traverse the
        list.

2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 29673
        * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
        Add -fdump-ipa-inline.
        * tree-dump.c (dump_files): Remove tree-inlined dump.
        * tree-pass.h (tree_dump_index): Remove TDI_inlined.
        
2008-02-12  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/35171
        * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
        default defs.

2008-02-12  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35163
        * fold-const.c (fold_widened_comparison): Use get_unwidened in
        value-preserving mode.  Disallow final truncation.

2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/35136
        * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
        code from here to...
        (force_gimple_operand): ...here.

2008-02-12  Jakub Jelinek  <jakub@redhat.com>

        PR c++/35144
        * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
        non-compatible pointers.
        (generate_element_copy): If SRC and DST are RECORD_TYPEs with
        different FIELD_DECLs, try harder by comparing field offsets, sizes
        and types.

        PR inline-asm/35160
        * function.c (match_asm_constraints_1): Don't replace the same input
        multiple times.

2008-02-12  Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
        * config/avr/avr.c (expand_prologue): Save RAMPZ register.
        (expand_epilogue): Restore RAMPZ register.
        * config/avr/avr.md (RAMPZ_ADDR): New constant.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * tree.c (ctor_to_list): Use FOR_EACH_CONSTRUCTOR_ELT.

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

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

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

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

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

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

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

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

        * tree-switch-conversion.c: Included timevar.h which I forgot before.

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

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

        * timevar.def: Added TV_TREE_SWITCH_CONVERSION.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * ifcvt.c (cond_move_process_if_block): Free vectors on false return.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * config/avr/avr.h (SUPPORTS_INIT_PRIORITY): Define.

2008-06-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * doc/rtl.texi: Updated subreg section.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * configure: Regenerate.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

2008-06-15  Mark Shinwell  <shinwell@codesourcery.com>
            Nathan Sidwell  <nathan@codesourcery.com>
            Maxim Kuvyrkov  <maxim@codesourcery.com>
            Richard Sandiford  <rdsandiford@googlemail.com>

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * doc/invoke.texi (Wenum-compare): Mention that it is enabled by
        default.

2008-06-08  Joseph Myers  <joseph@codesourcery.com>

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805.
        * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause.
        Add omp_private_outer_ref hook, add another argument to
        omp_clause_default_ctor hook.
        * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define.
        (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define.
        (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to
        hook_tree_tree_tree_tree_null.
        (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and
        LANG_HOOKS_OMP_PRIVATE_OUTER_REF.
        * hooks.c (hook_tree_tree_tree_tree_null): New function.
        * hooks.h (hook_tree_tree_tree_tree_null): New prototype.
        * tree.def (OMP_TASK): New tree code.
        * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN,
        OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT,
        OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT,
        OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES,
        OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY,
        OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG,
        OMP_CLAUSE_COLLAPSE_EXPR): Define.
        (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
        (OMP_DIRECTIVE_P): Add OMP_TASK.
        (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes.
        (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind.
        * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE
        and OMP_CLAUSE_UNTIED entries.
        (omp_clause_num_ops): Likewise.  Increase OMP_CLAUSE_LASTPRIVATE
        num_ops to 2.
        (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
        Walk OMP_CLAUSE_LASTPRIVATE_STMT.
        * tree-pretty-print.c (dump_omp_clause): Handle
        OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE,
        OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
        (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops.
        * c-omp.c (c_finish_omp_for): Allow pointer iterators.  Remove
        warning about unsigned iterators.  Change decl/init/cond/incr
        arguments to TREE_VECs, check arguments for all collapsed loops.
        (c_finish_omp_taskwait): New function.
        (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to
        ws_clauses.
        * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops.  Call
        default_function_array_conversion on init.  Add par_clauses argument.
        If decl is present in parallel's lastprivate clause, change it to
        shared and add lastprivate clause for decl to OMP_FOR_CLAUSES.
        Add clauses argument, on success set OMP_FOR_CLAUSES to it.  Look up
        collapse count in clauses.
        (c_parser_omp_for, c_parser_omp_parallel): Adjust
        c_parser_omp_for_loop callers.
        (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE.
        (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT.
        (c_parser_omp_clause_name): Handle collapse and untied clauses.
        (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New
        functions.
        (c_parser_omp_clause_schedule): Handle schedule(auto).
        Include correct location in the error message.
        (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE
        and PRAGMA_OMP_CLAUSE_UNTIED.
        (OMP_TASK_CLAUSE_MASK): Define.
        (c_parser_omp_task, c_parser_omp_taskwait): New functions.
        (c_parser_omp_construct): Handle PRAGMA_OMP_TASK.
        * tree-nested.c (convert_nonlocal_omp_clauses,
        convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT,
        OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE,
        OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
        Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in
        OMP_CLAUSE_DECL.
        (conver_nonlocal_reference, convert_local_reference,
        convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL.  Use
        OMP_TASKREG_* macros rather than OMP_PARALLEL_*.
        (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes.
        * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK.
        * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes.
        * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New.
        (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New.
        * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions.
        (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
        OMP_CLAUSE_UNTIED.
        * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas.
        * c-common.h (c_finish_omp_taskwait): New prototype.
        * gimple-low.c (lower_stmt): Handle OMP_TASK.
        * tree-parloops.c (create_parallel_loop): Create 1 entry
        vectors for OMP_FOR_{INIT,COND,INCR}.
        * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
        (make_edges): Handle OMP_TASK.
        * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR
        loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
        * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK.
        * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR,
        BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR,
        BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR,
        BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR,
        BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New.
        * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT,
        BUILT_IN_GOMP_LOOP_ULL_STATIC_START,
        BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START,
        BUILT_IN_GOMP_LOOP_ULL_GUIDED_START,
        BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START,
        BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START,
        BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START,
        BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START,
        BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START,
        BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT,
        BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT,
        BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT,
        BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT,
        BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT,
        BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT,
        BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT,
        BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins.
        * gimplify.c (gimplify_omp_for): Allow pointer type for decl,
        handle POINTER_PLUS_EXPR.  If loop counter has been replaced and
        original iterator is present in lastprivate clause or if
        collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT.  Handle collapsed
        OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
        (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK.
        (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF.
        (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed,
        if it is set, lookup var in outer contexts too.  Handle
        OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.  Handle vars that are supposed
        to be implicitly determined firstprivate for task regions.
        (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed,
        if it is set, lookup var in outer contexts too.  Set
        OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set.
        Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and
        OMP_CLAUSE_UNTIED.  Take region_type as last argument
        instead of in_parallel and in_combined_parallel.
        (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
        Adjust callers.
        (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if
        GOVD_PRIVATE_OUTER_REF is set.  Call omp_finish_clause langhook.
        (new_omp_context): Set default_kind to
        OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions.
        (omp_region_type): New enum.
        (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel
        fields, add region_type.
        (new_omp_context): Take region_type as argument instead of is_parallel
        and is_combined_parallel.
        (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable,
        omp_is_private, omp_check_private): Adjust ctx->is_parallel and
        ctx->is_combined_parallel checks.
        (gimplify_omp_task): New function.
        (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
        OMP_CLAUSE_UNTIED.
        * omp-low.c (extract_omp_for_data): Use schedule(static)
        for schedule(auto).  Handle pointer and unsigned iterators.
        Compute fd->iter_type.  Handle POINTER_PLUS_EXPR increments.
        Add loops argument.  Extract data for collapsed OMP_FOR loops.
        (expand_parallel_call): Assert sched_kind isn't auto,
        map runtime schedule to index 3.
        (struct omp_for_data_loop): New type.
        (struct omp_for_data): Remove v, n1, n2, step, cond_code fields.
        Add loop, loops, collapse and iter_type fields.
        (workshare_safe_to_combine_p): Disallow combined for if
        iter_type is unsigned long long.  Don't combine collapse > 1 loops
        unless all bounds and steps are constant.  Adjust extract_omp_for_data
        caller.
        (expand_omp_for_generic): Handle pointer, unsigned and long long
        iterators.  Handle collapsed OMP_FOR loops.  Adjust
        for struct omp_for_data changes.  If libgomp function doesn't return
        boolean_type_node, add comparison of the return value with 0.
        (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle
        pointer, unsigned and long long iterators.  Adjust for struct
        omp_for_data changes.
        (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule
        to index 3.  Use GOMP_loop_ull*{start,next} if iter_type is
        unsigned long long.  Allocate loops array, pass it to
        extract_omp_for_data.  For collapse > 1 loops use always
        expand_omp_for_generic.
        (omp_context): Add sfield_map and srecord_type fields.
        (is_task_ctx, lookup_sfield): New functions.
        (use_pointer_for_field): Use is_task_ctx helper.  Change first
        argument's type from const_tree to tree.  Clarify comment.
        In OMP_TASK disallow copy-in/out sharing.
        (build_sender_ref): Call lookup_sfield instead of lookup_field.
        (install_var_field): Add mask argument.  Populate both record_type
        and srecord_type if needed.
        (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN
        in srecord_type.
        (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT}
        and DECL_FIELD_OFFSET.
        (scan_sharing_clauses): Adjust install_var_field callers.  For
        firstprivate clauses on explicit tasks allocate the var by value in
        record_type unconditionally, rather than by reference.
        Handle OMP_CLAUSE_PRIVATE_OUTER_REF.  Scan OMP_CLAUSE_LASTPRIVATE_STMT.
        Use is_taskreg_ctx instead of is_parallel_ctx.
        Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
        (create_omp_child_function_name): Add task_copy argument, use
        *_omp_cpyfn* names if it is true.
        (create_omp_child_function): Add task_copy argument, if true create
        *_omp_cpyfn* helper function.
        (scan_omp_parallel): Adjust create_omp_child_function callers.
        Rename parallel_nesting_level to taskreg_nesting_level.
        (scan_omp_task): New function.
        (lower_rec_input_clauses): Don't run constructors for firstprivate
        explicit task vars which are initialized by *_omp_cpyfn*.
        Pass outer var ref to omp_clause_default_ctor hook if
        OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE.
        Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in
        OMP_CLAUSE_REDUCTION_INIT.
        (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to
        avoid duplicate setting of fields.  Handle
        OMP_CLAUSE_PRIVATE_OUTER_REF.
        (lower_send_shared_vars): Use srecord_type if non-NULL.  Don't
        copy-out if TREE_READONLY, only copy-in.
        (expand_task_copyfn): New function.
        (expand_task_call): New function.
        (struct omp_taskcopy_context): New type.
        (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn):
        New functions.
        (lower_omp_parallel): Rename to...
        (lower_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
        Call create_task_copyfn if srecord_type is needed.  Adjust
        sender_decl type.
        (task_shared_vars): New variable.
        (check_omp_nesting_restrictions): Warn if work-sharing,
        barrier, master or ordered region is closely nested inside OMP_TASK.
        Add warnings for barrier if closely nested inside of work-sharing,
        ordered, or master region.
        (scan_omp_1): Call check_omp_nesting_restrictions even for
        GOMP_barrier calls.  Rename parallel_nesting_level to
        taskreg_nesting_level.  Handle OMP_TASK.
        (lower_lastprivate_clauses): Even if some lastprivate is found on a
        work-sharing construct, continue looking for them on parent parallel
        construct.
        (lower_omp_for_lastprivate): Add lastprivate clauses
        to the beginning of dlist rather than end.  Adjust for struct
        omp_for_data changes.
        (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY,
        not after it.  Handle collapsed OMP_FOR loops, adjust for
        OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller.
        (get_ws_args_for): Adjust extract_omp_for_data caller.
        (scan_omp_for): Handle collapsed OMP_FOR
        loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
        (lower_omp_single_simple): If libgomp function doesn't return
        boolean_type_node, add comparison of the return value with 0.
        (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR
        loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.  Handle OMP_TASK.
        (parallel_nesting_level): Rename to...
        (taskreg_nesting_level): ... this.
        (is_taskreg_ctx): New function.
        (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead
        of is_parallel_ctx.
        (execute_lower_omp): Rename parallel_nesting_level to
        taskreg_nesting_level.
        (expand_omp_parallel): Rename to...
        (expand_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
        Call omp_task_call for OMP_TASK regions.
        (expand_omp): Adjust caller, handle OMP_TASK.
        (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK.

        * bitmap.c (bitmap_default_obstack_depth): New variable.
        (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing
        if argument is NULL and bitmap_default_obstack is already initialized.
        * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release
        at the end.
        * matrix-reorg.c (matrix_reorg): Likewise.

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

        * config/i386/i386.md (*indirect_jump): Macroize using P
        mode iterator.  Remove !TARGET_64BIT from insn constraints.
        (*tablejump_1): Ditto.
        (*indirect_jump_rex64): Remove insn pattern.
        (*tablejump_1_rex64): Ditto.
        (eh_return_<mode>): Macroize using P mode iterator from eh_return_di
        and eh_return_si insn patterns.

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

        * tree-ssa-structalias.c (merge_smts_into): Remove.
        (find_what_p_points_to): Do not bother to compute the
        points-to set for pt_anything pointers.
        * tree-ssa-operands.c (get_addr_dereference_operands): No NMT
        for pt_anything pointers is ok.

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

        * passes.c (execute_ipa_pass_list): Do not regenerate summaries.

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

        * cgraph.c: Fix typos in comments.
        (cgraph_availability_names): Fix string typo.
        * fold-const.c: Fix typos in comments.
        (fold_binary): Fix typo in warning.
        * genautomata.c: Fix typos in comments.
        (check_presence_pattern_sets): Fix typo in local variable.
        (output_description): Fix typo in output.
        * ggc-zone.c (ggc_pch_finish): Fix typo in error message.
        * hwint.h: Likewise.
        * matrix-reorg.c (check_allocation_function): Likewise.
        * omega.c (smooth_weird_equations): Likewise.
        * auto-inc-dec.c: Fix typos in comments.
        * bb-reorder.c: Likewise.
        * builtins.c: Likewise.
        * c-common.c: Likewise.
        * c-cppbuiltin.c: Likewise.
        * c-parser.c: Likewise.
        * c-pretty-print.c: Likewise.
        * cfgcleanup.c: Likewise.
        * cfgexpand.c: Likewise.
        * cfghooks.c: Likewise.
        * cfglayout.c: Likewise.
        * cfgloopmanip.c: Likewise.
        * cgraphunit.c: Likewise.
        * coverage.c: Likewise.
        * dbxout.c: Likewise.
        * df-byte-scan.c: Likewise.
        * df-core.c: Likewise.
        * df-problems.c: Likewise.
        * df-scan.c: Likewise.
        * dfp.c: Likewise.
        * dominance.c: Likewise.
        * domwalk.c: Likewise.
        * dse.c: Likewise.
        * dwarf2out.c: Likewise.
        * emit-rtl.c: Likewise.
        * et-forest.c: Likewise.
        * function.c: Likewise.
        * function.h: Likewise.
        * gcc.c: Likewise.
        * gcov-io.c: Likewise.
        * gcov.c: Likewise.
        * gcse.c: Likewise.
        * genattrtab.c: Likewise.
        * ggc-page.c: Likewise.
        * gimplify.c: Likewise.
        * gthr-lynx.h: Likewise.
        * haifa-sched.c: Likewise.
        * ipa-cp.c: Likewise.
        * ipa-inline.c: Likewise.
        * ipa-prop.h: Likewise.
        * ipa-pure-const.c: Likewise.
        * ipa-struct-reorg.c: Likewise.
        * ipa-struct-reorg.h: Likewise.
        * ipa-type-escape.c: Likewise.
        * ipa.c: Likewise.
        * loop-doloop.c: Likewise.
        * mips-tfile.c: Likewise.
        * mkmap-flat.awk: Likewise.
        * mkmap-symver.awk: Likewise.
        * modulo-sched.c: Likewise.
        * omp-low.c: Likewise.
        * optabs.c: Likewise.
        * optabs.h: Likewise.
        * opts.c: Likewise.
        * passes.c: Likewise.
        * postreload-gcse.c: Likewise.
        * postreload.c: Likewise.
        * predict.c: Likewise.
        * pretty-print.h: Likewise.
        * profile.c: Likewise.
        * protoize.c: Likewise.
        * ra-conflict.c: Likewise.
        * real.c: Likewise.
        * recog.c: Likewise.
        * regclass.c: Likewise.
        * regs.h: Likewise.
        * reload.c: Likewise.
        * rtl-error.c: Likewise.
        * rtlanal.c: Likewise.
        * scan.h: Likewise.
        * sched-rgn.c: Likewise.
        * see.c: Likewise.
        * stmt.c: Likewise.
        * target.h: Likewise.
        * tree-dfa.c: Likewise.
        * tree-eh.c: Likewise.
        * tree-flow-inline.h: Likewise.
        * tree-inline.c: Likewise.
        * tree-into-ssa.c: Likewise.
        * tree-loop-distribution.c: Likewise.
        * tree-nested.c: Likewise.
        * tree-parloops.c: Likewise.
        * tree-pass.h: Likewise.
        * tree-pretty-print.c: Likewise.
        * tree-profile.c: Likewise.
        * tree-scalar-evolution.c: Likewise.
        * tree-sra.c: Likewise.
        * tree-ssa-alias-warnings.c: Likewise.
        * tree-ssa-ccp.c: Likewise.
        * tree-ssa-coalesce.c: Likewise.
        * tree-ssa-dom.c: Likewise.
        * tree-ssa-dse.c: Likewise.
        * tree-ssa-forwprop.c: Likewise.
        * tree-ssa-live.c: Likewise.
        * tree-ssa-live.h: Likewise.
        * tree-ssa-loop-im.c: Likewise.
        * tree-ssa-loop-ivopts.c: Likewise.
        * tree-ssa-loop-niter.c: Likewise.
        * tree-ssa-loop-prefetch.c: Likewise.
        * tree-ssa-phiopt.c: Likewise.
        * tree-ssa-phiprop.c: Likewise.
        * tree-ssa-sccvn.c: Likewise.
        * tree-ssa-ter.c: Likewise.
        * tree-ssa-threadupdate.c: Likewise.
        * tree-ssa.c: Likewise.
        * tree-vect-analyze.c: Likewise.
        * tree-vect-transform.c: Likewise.
        * tree-vectorizer.c: Likewise.
        * tree-vn.c: Likewise.
        * tree-vrp.c: Likewise.
        * tree.c: Likewise.
        * tree.def: Likewise.
        * tree.h: Likewise.
        * unwind-dw2-fde.c: Likewise.
        * unwind.inc: Likewise.
        * value-prof.c: Likewise.
        * vmsdbgout.c: Likewise.

2008-06-05  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Do not
        always place FP constants in the TOC for TARGET_POWERPC64.
        * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Same.

2008-06-05  Joseph Myers  <joseph@codesourcery.com>

        * config.gcc (powerpc-*-linux*spe*): Use t-dfprules.
        * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): Do not
        enable for TARGET_E500_DOUBLE.
        (*movdd_softfloat32): Also enable for !TARGET_FPRS.
        * config/rs6000/rs6000.c (invalid_e500_subreg): Treat decimal
        floating-point modes like integer modes for E500 double.
        (rs6000_legitimate_offset_address_p): Likewise.
        (rs6000_legitimize_address): Likewise.  Do not allow REG+REG
        addressing for DDmode for E500 double.
        (rs6000_hard_regno_nregs): Do not treat decimal floating-point
        modes as using 64-bits of registers for E500 double.
        (spe_build_register_parallel): Do not handle DDmode or TDmode.
        (rs6000_spe_function_arg): Do not handle DDmode or TDmode
        specially for E500 double.
        (function_arg): Do not call rs6000_spe_function_arg for DDmode or
        TDmode for E500 double.
        (rs6000_gimplify_va_arg): Only handle SDmode in registers
        specially if TARGET_HARD_FLOAT && TARGET_FPRS.
        (rs6000_split_multireg_move): Do not handle TDmode specially for
        E500 double.
        (spe_func_has_64bit_regs_p): Do not treat DDmode or TDmode as
        using 64-bit registers for E500 double.
        (emit_frame_save): Do not handle DDmode specially for E500 double.
        (gen_frame_mem_offset): Likewise.
        (rs6000_function_value): Do not call spe_build_register_parallel
        for DDmode or TDmode.
        (rs6000_libcall_value): Likewise.
        * config/rs6000/rs6000.h (LOCAL_ALIGNMENT, MEMBER_TYPE_FORCES_BLK,
        DATA_ALIGNMENT, CLASS_MAX_NREGS): Do not handle DDmode specially
        for E500 double.

2008-06-04  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (setup_incoming_varargs_64): Fix a typo
        in comments.

2008-06-04  Junjie Gu <jgu@tensilica.com>

        * config/xtensa/lib2funcs.S (__xtensa_nonlocal_goto): Use unsigned
        comparison for frame pointers.

2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>

        PR target/27386
        * config/avr/avr.h (PUSH_ROUNDING): Remove.

2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>

        PR target/30243
        * builtins.c (expand_builtin_signbit): Don't take lowpart when
        register is already smaller or equal to required mode.

2008-06-04  Xinliang David Li  <davidxl@google.com>

        * tree-call-cdce.c: New file.
        (cond_dead_built_in_calls): New static variable.
        (input_domain): New struct.
        (check_pow): New function.
        (check_builtin_call): Ditto.
        (check_target_format): Ditto.
        (is_call_dce_candidate): Ditto.
        (gen_one_condition): Ditto.
        (gen_conditions_for_domain): Ditto.
        (get_domain): Ditto.
        (gen_conditions_for_pow_cst_base): Ditto.
        (gen_conditions_for_pow_int_base): Ditto.
        (gen_conditions_for_pow): Ditto.
        (get_no_error_domain): Ditto.
        (gen_shrink_wrap_conditions): Ditto.
        (shrink_wrap_one_built_in_call): Ditto.
        (shink_wrap_conditional_dead_built_in_calls): Ditto.
        (tree_call_cdce): Ditto.
        (gate_call_cdce): Ditto.
        (pass_call_cdce): New gimple pass.
        * passes.c: (init_optimization_passes): New pass.
        * tree-pass.h: New pass declaration.
        * opts.c (decode_options): New flag setting.
        * common.opt: Add -ftree-builtin-call-dce flag.
        * Makefile.in: Add new source file.
        * tempvar.def: New tv_id.
        * doc/invoke.texi (-ftree-builtin-call-dce): New flag.

2008-06-04  Richard Guenther  <rguenther@suse.de>

        * tree-flow-inline.h (is_global_var): Do not check TREE_STATIC on MTAGs.
        (is_call_clobbered): Always check var_ann->call_clobbered.
        (mark_call_clobbered): Always set var_ann->call_clobbered.
        (clear_call_clobbered): Always clear var_ann->call_clobbered.
        * tree-ssa-alias.c (mark_non_addressable): Use clear_call_clobbered.
        (reset_alias_info): Clear call clobbering info on MTAGs and
        globals as well.
        (set_pt_anything): Set pt_global_mem.
        (create_tag_raw): Adjust comment.
        (may_be_aliased): Do not check TREE_PUBLIC on MTAGs.

2008-06-04  Joseph Myers  <joseph@codesourcery.com>
            Maxim Kuvyrkov  <maxim@codesourcery.com>

        * config/m68k/m68k.opt (mxgot): New option.
        * config/m68k/m68k.c (legitimize_pic_address): Handle -mxgot.
        (m68k_output_addr_const_extra): New.
        * config/m68k/m68k.h (OUTPUT_ADDR_CONST_EXTRA): New.
        * config/m68k/m68k-protos.h (m68k_output_addr_const_extra): Declare.
        * config/m68k/m68k.md (UNSPEC_GOTOFF): Define.
        * doc/invoke.texi (M680x0 Options): Document -mxgot.

2008-06-04  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (handle_ptr_arith): Correctly handle
        negative or non-representable offsets.

2008-06-03  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_gen_leave): New.
        (ix86_gen_pop1): Likewise.
        (ix86_gen_add3): Likewise.
        (ix86_gen_sub3): Likewise.
        (ix86_gen_sub3_carry): Likewise.
        (ix86_gen_one_cmpl2): Likewise.
        (ix86_gen_monitor): Likewise.
        (override_options): Initialize ix86_gen_leave, ix86_gen_pop1,
        ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
        ix86_gen_one_cmpl2 and ix86_gen_monitor.
        (ix86_file_end): Use mov%z0 instead of mov{q}/mov{l}.
        (output_set_got): Use mov%z0, pop%z0 and add%z0 instead of
        mov{q}/mov{l}, pop{q}/pop{l} and add{q}/add{l}.
        (ix86_expand_epilogue): Updated.
        (print_operand): Handle integer register operand for 'z'.
        (ix86_expand_strlensi_unroll_1): Likewise.
        (ix86_expand_strlen): Likewise.
        (ix86_expand_builtin): Likewise.
        (x86_output_mi_thunk): Use mov%z1 and add%z1 instead of
        mov{q}/mov{l} and add{q}/add{l}.

2008-06-03  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/i386.md (P): New mode iterator.
        (SFmode push_operand splitter): Macroize DImode and SImode pushes
        using P mode iterator.
        (DFmode push_operand splitter): Ditto.
        (XFmode push_operand splitter): Ditto.
        (DFmode float_extend SFmode push_operand splitter): Ditto.
        (XFmode float_extend SFmode push_operand splitter): Do not generate
        SImode pushes for 64bit target.  Macroize Dimode and SImode
        pushes using P mode iterator.
        (XFmode float_extend DFmode push_operand splitter): Ditto.

2008-06-03  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/i386-protos.h (ix86_reg_parm_stack_space): New.
        * config/i386/i386.h (ix86_reg_parm_stack_space): Removed prototype.
        * config/i386/i386.c (ix86_reg_parm_stack_space): Changed
        return type to int.
        (ix86_call_abi_override): Remove check for call_used_regs.

2008-06-03  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (find_func_aliases): Add constraints
        for the lhs of calls if the return type contains pointers.

2008-06-03  Kai Tietz  <kai.tietz@onevision.com>

        * doc/tm.texi (OVERRIDE_ABI_FORMAT): New.
        * doc/extend.texi (ms_abi,sysv_abi): New attribute description.
        * function.c (allocate_struct_function): Use of OVERRIDE_ABI_FORMAT.
        * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Make use
        of cfun and DEFAULT_ABI to deceide abi mode.
        (DEFAULT_ABI): New.
        (REG_PARM_STACK_SPACE): Removed.
        (OUTGOING_REG_PARM_STACK_SPACE): Removed.
        (STACK_BOUNDARY): Use default target to deceide stack boundary.
        * config/i386/i386-protos.h (ix86_cfun_abi): New.
        (ix86_function_abi): Likewise.
        (ix86_function_type_abi): Likewise.
        (ix86_call_abi_override): Likewise.
        * confid/i386/i386.md (SSE_REGPARM_MAX): Replaced by abi
        specific define X86_64_SSE_REGPARM_MAX/X64_SSE_REGPARM_MAX.
        * config/i386/i386.c (override_options): Replace TARGET_64BIT_MS_ABI.
        (X86_64_VARARGS_SIZE): Replace REGPARM_MAX and SSE_REGPARM_MAX by abi
        specific defines.
        (X86_64_REGPARM_MAX): New.
        (X86_64_SSE_REGPARM_MAX): New.
        (X64_REGPARM_MAX): New.
        (X64_SSE_REGPARM_MAX): New.
        (X86_32_REGPARM_MAX): New.
        (X86_32_SSE_REGPARM_MAX): New.
        (ix86_handle_cconv_attribute): Replace TARGET_64BIT_MS_ABI.
        (ix86_function_regparm): Handle user calling abi.
        (ix86_function_arg_regno_p): Replace TARGET_64BIT_MS_ABI
        by DEFAULT_ABI versus SYSV_ABI check.
        (ix86_reg_parm_stack_space): New.
        (ix86_function_type_abi): New.
        (ix86_call_abi_override): New.
        (ix86_function_abi): New.
        (ix86_cfun_abi): New.
        (init_cumulative_args): Call abi specific initialization.
        (function_arg_advance): Remove TARGET_64BIT_MS_ABI.
        (function_arg_64): Extend SSE_REGPARM_MAX check.
        (function_arg (): Remove TARGET_64BIT_MS_ABI.
        (ix86_pass_by_reference): Likewise.
        (ix86_function_value_regno_p): Likewise.
        (function_value_64): Replace REGPARM_MAX, and SSE_REGPARM_MAX.
        (ix86_function_value_1): Replace TARGET_64BIT_MS_ABI.
        (return_in_memory_ms_64): Replace TARGET_64BIT_MS_ABI.
        (ix86_build_builtin_va_list): Replace TARGET_64BIT_MS_ABI.
        (setup_incoming_varargs_64): Adjust regparm for call abi.
        (ix86_setup_incoming_varargs): Replace TARGET_64BIT_MS_ABI.
        (ix86_va_start): Likewise.
        (ix86_gimplify_va_arg): Likewise.
        (ix86_expand_prologue): Likewise.
        (output_pic_addr_const): Likewise.
        (ix86_init_machine_status): Initialize call_abi by DEFAULT_ABI.
        (x86_this_parameter): Replace TARGET_64BIT_MS_ABI.
        (x86_output_mi_thunk): Likewise.
        (x86_function_profiler): Likewise.
        * config/i386/i386.h (TARGET_64BIT_MS_ABI): Use ix64_cfun_abi.
        (SYSV_ABI, MS_ABI): New constants.
        (DEFAULT_ABI): New.
        (init_regs): Add prototype of function in regclass.c file.
        (OVERRIDE_ABI_FORMAT): New.
        (CONDITIONAL_REGISTER_USAGE): Remove TARGET_64BIT_MS_ABI part.
        (REG_PARM_STACK_SPACE): Use ix86_reg_parm_stack_space.
        (OUTGOING_REG_PARM_STACK_SPACE): New.
        (ix86_reg_parm_stack_space): New prototype.
        (CUMULATIVE_ARGS): Add call_abi member.
        (machine_function): Add call_abi member.
        * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Replace
        TARGET_64BIT_MS_ABI by DEFAULT_ABI compare to MS_ABI.

2008-06-02  Andy Hutchinson  <hutchinsonandy@aim.com>

        PR target/34879
        * config/avr/avr.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Redefine.
        (avr_builtin_setjmp_frame_value): New function.
        * config/avr/avr.md (nonlocal_goto_receiver): Define.
        (nonlocal_goto): Define.

2008-06-02  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (mips_emit_loadgp): Return early if
        there is nothing do to, otherwise emit a blockage if
        !TARGET_EXPLICIT_RELOCS || crtl->profile.
        * config/mips/mips.md (loadgp_blockage): Use SI rather than DI.

2008-06-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * configure.ac: Drop unneeded backslash ending up in config.in.
        * acinclude.m4: Likewise.
        * config.in: Regenerate.

2008-05-26  Jan Hubicka  <jh@suse.cz>

        * predict.c (maybe_hot_frequency_p): Break out of...
        (maybe_hot_bb_p): ... here.
        (maybe_hot_edge_p): New.
        * tree-ssa-coalesce.c (coalesce_cost_edge): Compute cost based on edge.
        * basic-block.h (maybe_hot_edge_p): Declare.

2008-05-31  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*cmpfp_<mode>): Enable for optimize_size.
        (*cmpfp_<mode>_cc): Ditto.
        (*fp_jcc_8<mode>_387): Ditto.
        (*fop_<MODEF:mode>_2_i387): Ditto.
        (*fop_<MODEF:mode>_3_i387): Ditto.
        (*fop_xf_2_i387): Ditto.
        (*fop_xf_3_i387): Ditto.

2008-06-02  Tomas Bily  <tbily@suse.cz>

        * tree-ssa-ifcombine.c (get_name_for_bit_test): Use CONVERT_EXPR_P.

2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (mips_valid_offset_p): New function.
        (mips_valid_lo_sum_p): Likewise.
        (mips_classify_address): Use them.
        (mips_force_address): New function.
        (mips_legitimize_address): Use it.
        * config/mips/mips.md (MOVE128): New mode iterator.
        (movtf): Require TARGET_64BIT.  Remove empty strings.
        (*movtf_internal): Rename to...
        (*movtf): ...this and require !TARGET_MIPS16.  Use "m" instead
        of "R" and use {,fp}{load,store} attributes instead of "multi".
        Use a separate define_split.
        (*movtf_mips16): New pattern.

2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips-protos.h (mips_expand_before_return): Declare.
        * config/mips/mips.c (mips_expand_before_return): New function.
        (mips_expand_epilogue): Call it.
        * config/mips/mips.md (return): Turn into a define_expand.
        (*return): New insn.

2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>

        * rtl.h (emit_clobber, gen_clobber, emit_use, gen_use): Declare.
        * emit-rtl.c (emit_clobber, gen_clobber, emit_use, gen_use): New
        functions.  Do not emit uses and clobbers of CONCATs; individually
        use and clobber their operands.
        * builtins.c (expand_builtin_setjmp_receiver): Use emit_clobber,
        gen_clobber, emit_use and gen_use.
        (expand_builtin_longjmp, expand_builtin_nonlocal_goto): Likewise.
        (expand_builtin_return): Likewise.
        * cfgbuild.c (count_basic_blocks): Likewise.
        * cfgrtl.c (rtl_flow_call_edges_add): Likewise.
        * explow.c (emit_stack_restore): Likewise.
        * expmed.c (extract_bit_field_1): Likewise.
        * expr.c (convert_move, emit_move_complex_parts): Likewise.
        (emit_move_multi_word, store_constructor): Likewise.
        * function.c (do_clobber_return_reg, do_use_return_reg): Likewise.
        (thread_prologue_and_epilogue_insns): Likewise.
        * lower-subreg.c (resolve_simple_move): Likewise.
        * optabs.c (widen_operand, expand_binop): Likewise.
        (expand_doubleword_bswap, emit_no_conflict_block): Likewise.
        * reload.c (find_reloads): Likewise.
        * reload1.c (eliminate_regs_in_insn): Likewise.
        * stmt.c (expand_nl_goto_receiver): Likewise.
        * config/alpha/alpha.md (builtin_longjmp): Likewise.
        * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
        * config/arm/arm.c (arm_load_pic_register): Likewise.
        (thumb1_expand_epilogue, thumb_set_return_address): Likewise.
        * config/arm/arm.md (untyped_return): Likewise.
        * config/arm/linux-elf.h (PROFILE_HOOK): Likewise.
        * config/avr/avr.c (expand_prologue): Likewise.
        * config/bfin/bfin.c (do_unlink): Likewise.
        * config/bfin/bfin.md (<optab>di3, adddi3, subdi3): Likewise.
        * config/cris/cris.c (cris_expand_prologue): Likewise.
        * config/darwin.c (machopic_indirect_data_reference): Likewise.
        (machopic_legitimize_pic_address): Likewise.
        * config/frv/frv.c (frv_frame_access, frv_expand_epilogue): Likewise.
        (frv_ifcvt_modify_insn, frv_expand_mdpackh_builtin): Likewise.
        * config/i386/i386.c (ix86_expand_vector_move_misalign): Likewise.
        (ix86_expand_convert_uns_didf_sse): Likewise.
        (ix86_expand_vector_init_general): Likewise.
        * config/ia64/ia64.md (eh_epilogue): Likewise.
        * config/iq2000/iq2000.c (iq2000_expand_epilogue): Likewise.
        * config/m32c/m32c.c (m32c_emit_eh_epilogue): Likewise.
        * config/m32r/m32r.c (m32r_reload_lr): Likewise.
        (config/iq2000/iq2000.c): Likewise.
        * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
        (fixuns_truncdfdi2, fixuns_truncsfsi2, fixuns_truncsfdi2): Likewise.
        (builtin_longjmp): Likewise.
        * config/mn10300/mn10300.md (call, call_value): Likewise.
        * config/pa/pa.md (nonlocal_goto, nonlocal_longjmp): Likewise.
        * config/pdp11/pdp11.md (abshi2): Likewise.
        * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
        * config/s390/s390.c (s390_emit_prologue): Likewise.
        * config/s390/s390.md (movmem_long, setmem_long): Likewise.
        (cmpmem_long, extendsidi2, zero_extendsidi2, udivmoddi4): Likewise.
        (builtin_setjmp_receiver, restore_stack_nonlocal): Likewise.
        * config/sh/sh.c (prepare_move_operands): Likewise.
        (output_stack_adjust, sh_expand_epilogue): Likewise.
        (sh_set_return_address, sh_expand_t_scc): Likewise.
        * config/sparc/sparc.c (load_pic_register): Likewise.
        * config/sparc/sparc.md (untyped_return, nonlocal_goto): Likewise.
        * config/spu/spu.c (spu_expand_epilogue): Likewise.
        * config/v850/v850.c (expand_epilogue): Likewise.

2008-05-31  Anatoly Sokolov  <aesok@post.ru>

        * config/avr/avr.md (UNSPECV_WRITE_SP_IRQ_ON): New constants.
        (UNSPECV_WRITE_SP_IRQ_OFF): (Ditto.).
        (movhi_sp_r_irq_off, movhi_sp_r_irq_on): New insn.
        * config/avr/avr.c (expand_prologue, expand_epilogue): Use
        movhi_sp_r_irq_off and movhi_sp_r_irq_on insns for writing to the
        stack pointer register.
        (output_movhi): Remove code for interrupt specific writing to the
        stack pointer register.

2008-05-31  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/34244
        * fold-const.c (tree_expr_nonnegative_warnv_p): Do not ask VRP.
        (tree_expr_nonzero_warnv_p): Likewise.
        * tree-vrp.c (vrp_expr_computes_nonnegative): Call
        ssa_name_nonnegative_p.
        (vrp_expr_computes_nonzero): Call ssa_name_nonzero_p.
        (extract_range_from_unary_expr): Use vrp_expr_computes_nonzero,
        not tree_expr_nonzero_warnv_p.

        PR tree-optimization/36262
        Revert
        2007-11-29  Zdenek Dvorak  <ook@ucw.cz>

        PR tree-optimization/34244
        * tree-vrp.c (adjust_range_with_scev): Clear scev cache.
        (record_numbers_of_iterations): New function.
        (execute_vrp): Cache the numbers of iterations of loops.
        * tree-scalar-evolution.c (scev_reset_except_niters):
        New function.
        (scev_reset): Use scev_reset_except_niters.
        * tree-scalar-evolution.h (scev_reset_except_niters): Declare.

2008-05-31  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
        __WORKAROUND_RETS when appropriate.

2008-05-31  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*fop_<mode>_comm_mixed): Macroize from
        *fop_sf_comm_mixed and *fop_df_comm_mixed insn patterns using MODEF
        mode iterator.
        (*fop_<mode>_comm_sse): Macroize from *fop_sf_comm_sse and
        *fop_df_comm_sse insn patterns using MODEF mode iterator.
        (*fop_<mode>_comm_i387): Macroize from *fop_sf_comm_i387 and
        *fop_df_comm_i387 insn patterns using MODEF mode iterator.
        (*fop_<mode>_1_mixed): Macroize from *fop_sf_1_mixed and
        *fop_df_1_mixed insn patterns using MODEF mode iterator.
        (*fop_<mode>_1_sse): Macroize from *fop_sf_1_sse and
        *fop_df_1_sse insn patterns using MODEF mode iterator.
        (*fop_<mode>_1_i387): Macroize from *fop_sf_1_i387 and
        *fop_df_1_i387 insn patterns using MODEF mode iterator.
        (*fop_<MODEF:mode>_2_i387): Macroize from *fop_sf_2<mode>_i387 and
        *fop_df_2<mode>_i387 insn patterns using MODEF mode iterator.
        (*fop_<MODEF:mode>_3_i387): Macroize from *fop_sf_3<mode>_i387 and
        *fop_df_3<mode>_i387 insn patterns using MODEF mode iterator.
        (*fop_xf_2_i387): Rename from *fop_xf_2<mode>_i387.
        (*fop_xf_3_i387): Rename from *fop_xf_3<mode>_i387.
        (*fop_xf_4_i387): Use <MODE> for mode attribute.
        (*fop_xf_5_i387): Ditto.
        (*fop_xf_6_i387): Ditto.

2008-05-30  Richard Guenther  <rguenther@suse.de>

        * builtins.c (build_string_literal): Avoid generating
        a non-gimple_val result.

2008-05-30  DJ Delorie  <dj@redhat.com>

        * exec-tool.in: Use an environment variable (private) instead of a
        file (shared) as a semaphore, so as to not break parallel builds.

2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>

        * optabs.c (maybe_encapsulate_block): Remove.
        (emit_libcall_block): Adjust accordingly.
        * optabs.h (maybe_encapsulate_block): Remove prototype.

        * config/rs6000/rs6000.c (rs6000_legitimize_tls_address):
        Don't use maybe_encapsulate_block.

2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>

        * config/rs6000/rs6000.c (rs6000_legitimize_address,
        rs6000_legitimize_reload_address, rs6000_emit_move): Make sure an
        rtx is a SYMBOL_REF before calling get_pool_constant.

2008-05-30  Eric Botcazou  <ebotcazou@adacore.com>

        * fold-const.c (fold_unary) <CASE_CONVERT>: Add ??? comment.

2008-05-30  Danny Smith  <dannysmith@users.sourceforge.net>

        * incpath.c: Use HOST_LACKS_INODE_NUMBERS conditional
        rather than OS names to choose INO_T_EQ definition.
        (DIRS_EQ) [!INO_T_EQ]: Don't worry about case in comparison.
        (add_path) [!INO_T_EQ]: Use lrealpath to fill canonical_name field.

2008-05-29  Daniel Franke  <franke.daniel@gmail.com>

        PR target/36348
        * config/darwin-f.c: New.
        * config/t-darwin: Added rule to build darwin-f.o.
        * config.gcc: Defined new variable, fortran_target_objs.
        (*-*-darwin*): Set fortran_target_objs.
        * Makefile.in: Defined new variable FORTRAN_TARGET_OBJS.
        * configure.ac: Substitute fortran_target_objs, set FORTRAN_TARGET_OBJS.
        * configure: Regenerated.

2008-05-29  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/35771
        * config/i386/i386.c (ix86_function_arg_boundary): Convert to
        canonical type if needed.

2008-05-29  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-nested.c (check_for_nested_with_variably_modified): Fix typo.

2008-05-29  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36343
        PR tree-optimization/36346
        PR tree-optimization/36347
        * tree-flow.h (clobber_what_p_points_to): Declare.
        * tree-ssa-structalias.c (set_uids_in_ptset): Whether the
        pointed-to variable is dereferenced is irrelevant to whether
        the pointer can access the pointed-to variable.
        (clobber_what_p_points_to): New function.
        * tree-ssa-alias.c (set_initial_properties): Use it.
        * tree-ssa.c (verify_flow_sensitive_alias_info): Adjust
        call clobber check for NMTs.

2008-05-28  Seongbae Park  <seongbae.park@gmail.com>

        * value-prof.c (tree_ic_transform): Use HOST_WIDEST_INT_PRINT_DEC
        for printing gcov_type.

2008-05-28  Seongbae Park  <seongbae.park@gmail.com>

        * tree-ssa-propagate.c (set_rhs): Preserve the histogram
        and the eh region information.
        * value-prof.c (gimple_move_stmt_histograms): New function.
        * value-prof.h (gimple_move_stmt_histograms): New function declaration.

2008-05-28  Andreas Tobler  <a.tobler@schweiz.org>

        * config/pa/pa.md: Remove extern frame_pointer_needed declaration.

2008-05-28  Seongbae Park <seongbae.park@gmail.com>

        * value-prof.c (tree_ic_transform): Print counts.
        * tree-profile.c (tree_gen_ic_func_profiler):
        Clear __gcov_indreict_call_callee variable to avoid misattribution
        of the profile.

2008-05-28  Rafael Espindola  <espindola@google.com>

        * see.c (see_def_extension_not_merged): Use copy_rtx_if_shared to avoid
        invalid sharing.

2008-05-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36339
        * tree-ssa-alias.c (set_initial_properties): Move pt_anything
        and clobbering code out of the loop.

2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/constraints.md ('b', 'C', 'D', 'e'): New constraint
        letters defined.

        * config/s390/s390.c (s390_compare_and_branch_condition_mask,
        s390_contiguous_bitmask_p, s390_symref_operand_p,
        s390_check_symref_alignment, s390_reload_larl_operand,
        s390_reload_symref_address): New functions.
        (s390_branch_condition_mnemonic): Support compare and branch
        instructions.
        (s390_mem_constraint): Avoid symrefs to accepted by the 'T'
        and 'W' constraints.
        (s390_secondary_reload): Add secondary reloads for unaligned
        symbol refs or symbol refs to floating point or QI/TI mode
        integer values.
        (legitimate_address_p): Accept symbol references as addresses.
        (s390_expand_insv): Use rotate and insert selected bits
        instruction for insv when building for z10.
        (print_operand_address): Handle symbol ref addresses.
        (print_operand): Output modifier 'c' added for signed byte values.
        (s390_encode_section_info): Mark symbol refs with
        SYMBOL_FLAG_NOT_NATURALLY_ALIGNED if appropriate.

        * config/s390/s390.md (SIL,RRS,RIS): New instruction formats added.
        (length attribute): RRF, RRR have 4 byte length.
        (FPALL, INTALL): New mode iterators added.
        (*tstdi_sign, *cmpdi_ccs_sign, *cmpsi_ccs_sign,
        *cmp<mode>_ccs, *cmpdi_ccu_zero, *cmpdi_ccu, *cmpsi_ccu, *cmphi_ccu,
        *movdi_64, *movsi_zarch, *movhi, movmem<mode>, *movmem_short,
        *extendsidi2, *extendhidi2_extimm, *extendhisi2_extimm,
        *zero_extendsidi2, adddi3, *adddi3_31z, *adddi3_31, addsi3,
        *add<mode>3, *add<mode>3_carry1_cc, *add<mode>3_carry2_cc,
        *add<mode>3_cc, *add<mode>3_imm_cc, *muldi3_sign, muldi3,
        *mulsi3_sign, mulsi3, mulsidi3): Patterns enhanced with z10
        instructions.
        (*cmphi_ccs_z10, *cmpdi_ccs_signhi_rl, *cmpsi_ccu_zerohi_rlsi,
        *cmp<GPR:mode>_ccu_zerohi_rldi, *cmp_and_br_signed_<mode>,
        *cmp_and_br_unsigned_<mode>, reload<INTALL:mode><P:mode>_tomem_z10,
        reload<INTALL:mode><P:mode>_toreg_z10,
        reload<FPALL:mode><P:mode>_tomem_z10,
        reload<FPALL:mode><P:mode>_toreg_z10,
        reload<P:mode>_larl_odd_addend_z10, *execute_rl, *insv<mode>_z10,
        *insv<mode>_z10_noshift, *insv<mode>_or_z10_noshift,
        *zero_extendhi<mode>2_z10, *cmp_and_trap_signed_int<mode>,
        *cmp_and_trap_unsigned_int<mode>, prefetch): New pattern or expander
        definition.
        (movmem, clrmem, cmpmem): New splitters added.

        * config/s390/predicates.md (larl_operand): Use
        SYMBOL_REF_FLAGS (op) & SYMBOL_FLAG_ALIGN1 replaced with
        SYMBOL_REF_ALIGN1_P.
        (s390_signed_integer_comparison,
        s390_unsigned_integer_comparison): New predicates.

        * config/s390/s390-protos.h (s390_check_symref_alignment,
        s390_contiguous_bitmask_p, s390_reload_larl_operand,
        s390_reload_symref_address,
        s390_compare_and_branch_condition_mask): Prototypes added.

        * config/s390/s390.h (TARGET_MEM_CONSTRAINT,
        SYMBOL_REF_ALIGN1_P, SYMBOL_FLAG_NOT_NATURALLY_ALIGNED,
        SYMBOL_REF_NOT_NATURALLY_ALIGNED_P): Macro definition added.

2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (z10_cost): New cost function for z10.
        (s390_handle_arch_option, override_options): Support -march=z10 switch.
        (s390_issue_rate): Adjust issue rate for z10.
        * config/s390/s390.h (processor_type): Add PROCESSOR_2097_Z10.
        (processor_flags): Add PF_Z10.
        (TARGET_CPU_Z10, TARGET_Z10): New macro definitions.
        * config/s390/s390.md (cpu, cpu_facility attributes): Add z10.
        * gcc/config.gcc: Add z10.

2008-05-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36291
        * tree-flow. h (struct gimple_df): Remove var_anns member.
        * tree-flow-inline.h (gimple_var_anns): Remove.
        (var_ann): Simplify.
        * tree-dfa.c (create_var_ann): Simplify.
        (remove_referenced_var): Clear alias info from var_anns of globals.
        * tree-ssa.c (init_tree_ssa): Do not allocate var_anns.
        (delete_tree_ssa): Clear alias info from var_anns of globals.
        Do not free var_anns.
        (var_ann_eq): Remove.
        (var_ann_hash): Likewise.

2008-05-28  Mark Shinwell  <shinwell@codesourcery.com>

        * config/mips/mips.c (mips_cpu_info_table): Add loongson2e
        and loongson2f entries.
        (mips_rtx_cost_data): Add entries for Loongson-2E/2F.
        * config/mips/mips.h (processor_type): Add Loongson-2E
        and Loongson-2F entries.
        (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF): New.
        (MIPS_ISA_LEVEL_SPEC): Handle Loongson-2E/2F.
        * config/mips/mips.md (define_attr cpu): Add loongson2e and loongson2f.
        * doc/invoke.texi (MIPS Options): Document loongson2e
        and loongson2f processor names.

2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/35767
        PR target/35771
        * config/i386/i386.c (ix86_function_arg_boundary): Use
        alignment of canonical type.
        (ix86_expand_vector_move): Check unaligned memory access for
        all SSE modes.

2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>

        * dwarf2out.c (current_fde): Change return type to dw_fde_ref.
        Moved to the front of file.

2008-05-27  Xuepeng Guo  <xuepeng.guo@intel.com>
            H.J. Lu  <hongjiu.lu@intel.com>

        * dwarf2out.c (current_fde): New.
        (add_cfi): Use it.
        (lookup_cfa:): Likewise.
        (dwarf2out_end_epilogue): Likewise.
        (dwarf2out_note_section_used): Likewise.

2008-05-27  Michael Matz  <matz@suse.de>

        PR c++/27975
        * c.opt (Wenum-compare): New warning option.
        * doc/invoke.texi  (Warning Options): Document -Wenum-compare.

2008-05-27  Michael Matz  <matz@suse.de>

        PR middle-end/36326
        * tree-gimple.c (is_gimple_mem_rhs): Remove work-around for
        non-BLKmode types.
        * tree-tailcall.c (find_tail_calls): Don't mark calls storing
        into memory as tail calls.

2008-05-27  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36339
        * tree-ssa-alias.c (set_initial_properties): Escaped pt_anything
        pointers cause all addressable variables to be call clobbered.

2008-05-27  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36245
        * tree-ssa-address.c (add_to_parts): Deal with non-pointer bases.

2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.md: Replace all occurences of the 'm'
        constraint with 'RT'.

2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.md ("cpu_facility", "enabled"): Attribute
        definitions added.
        ("*movdi_64dfp", "*movdi_64extimm", "*movdi_64"): Merged into
        "*movdi_64".
        ("*anddi3_extimm", "*anddi3"): Merged into "*anddi3".
        ("*iordi3_extimm", "*iordi3"): Merged into "*iordi3".
        ("*xordi3_extimm", "*xordi3"): Merged into "*xordi3".

2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>

        * reload.c: (find_reloads): Skip alternatives according to the
        "enabled" attribute. Constify the constraint variable.
        * recog.c (get_attr_enabled): Add default implementation.
        (extract_insn): Set the alternative_enabled_p array
        in the recog_data struct.
        (preprocess_constraints, constrain_operands): Skip
        alternatives according to the "enabled" attribute
        * recog.h (struct recog_data): New field alternative_enabled_p.
        (skip_alternative): New inline function.
        * regclass.c: (record_operand_costs): Check the "enabled" attribute.
        (record_reg_classes): Skip alternative according to the
        "enabled" attribute.

        * doc/md.texi: Add documention for the "enabled" attribute.

2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>

        * defaults.h (TARGET_MEM_CONSTRAINT): New target macro added.
        * postreload.c (reload_cse_simplify_operands): Replace 'm'
        constraint with TARGET_MEM_CONSTRAINT.
        * recog.c (asm_operand_ok, preprocess_constraints,
        constrain_operands): Likewise.
        * regclass.c (record_reg_classes): Likewise.
        * reload.c (find_reloads, alternative_allows_const_pool_ref): Likewise.
        * reload1.c (maybe_fix_stack_asms): Likewise.
        * stmt.c (parse_output_constraint, parse_input_constraint): Likewise.
        * recog.h: Adjust comment.
        * genpreds.c (generic_constraint_letters): Remove 'm' constraint.
        * genoutput.c (note_constraint): Don't emit error for 'm' constraint.
        * doc/md.texi: Add a note to description of 'm' constraint.
        * doc/tm.texi: Document the new TARGET_MEM_CONSTRAINT macro.

2008-05-27  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-sra.c (sra_type_can_be_decomposed_p) <RECORD_TYPE>: Make sure
        that the bitfield is of integral type before testing its precision.

2008-05-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
            Sa Liu  <saliu@de.ibm.com>

        * config/spu/spu.c (spu_init_libfuncs): Add __multi3, __divti3,
        __modti3, __udivti3, __umodti3 and __udivmodti4.
        * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add files
        that implement TImode mul and div functions.
        * config/spu/multi3.c: New. Implement __multi3.
        * config/spu/divmodti4.c: New. Implement _udivmodti4 and others.
        * testsuite/gcc.target/spu/muldivti3.c: New. Test TImode mul and div
        functions on SPU.

2008-05-26  Steven Bosscher  <stevenb.gcc@gmail.com>

        * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Generate
        new tls_gd_* and tls_ld_* insns instead of an insn sequence.
        * config/rs6000/rs6000.md (TLSmode, tls_abi_suffix, tls_insn_suffix,
        tls_sysv_suffix): New mode and mode attribute iterators.
        (tls_gd_32, tls_gd_64, tls_ld_32, tls_ld_64): Remove.
        (lts_gd_aix*, tls_gd_sysv*, tls_ld_aix*, tls_ld_sysv*): New patterns.
        (tls_dtprel_*, tls_dtprel_ha_*, tls_dtprel_lo_*, tls_got_dtprel_*,
        tls_tprel_*, tls_tprel_ha_*, tls_tprel_lo_*, tls_got_tprel_*,
        tls_tls_*): Merge 32 bit and 64 bit variants using aforementioned
        iterators.

2008-05-26  Eric Botcazou  <ebotcazou@adacore.com>

        PR tree-optimization/36329
        * tree.h (CALL_CANNOT_INLINE_P): Add access check.
        * tree-gimple.h (CALL_STMT_CANNOT_INLINE_P): New macro.
        * cgraphbuild.c (initialize_inline_failed): Use the latter
        macro in lieu of the former.
        * ipa-inline.c (cgraph_mark_inline): Likewise.
        (cgraph_decide_inlining_of_small_function): Likewise.
        (cgraph_decide_inlining): Likewise.
        (cgraph_decide_inlining_incrementally): Likewise.

2008-05-26  Tristan Gingold  <gingold@adacore.com>
            Anatoly Sokolov  <aesok@post.ru>

        * config/avr/avr.md ("call_prologue_saves"): Use hi8(gs())/lo8(gs())
        instead of pm_lo8/pm_hi8 to makes this call working on avr6.
        * config/avr/avr.c (expand_prologue): Tune "call_prologue"
        optimization for 'avr6' architecture.

2008-05-26  Andy Hutchinson  <hutchinsonandy@aim.com>

        PR target/34932
        * config/avr/avr.md (*addhi3_zero_extend2): Remove.

2008-05-26  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.c (expr_has_constants): Declare.
        (visit_reference_op_load): Initialize VN_INFO->has_constants properly.

2008-05-26  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/36253
        * caller-save.c (insert_restore): Verify alignment of spill space.
        (insert_save): Likewise.
        * cfgexpand.c (LOCAL_ALIGNMENT): Removed.
        * defaults.h (LOCAL_ALIGNMENT): New. Provide default.
        (STACK_SLOT_ALIGNMENT): Likewise.
        * function.c (LOCAL_ALIGNMENT): Removed.
        (get_stack_local_alignment): New.
        (assign_stack_local): Use it.  Set alignment on stack slot.
        (assign_stack_temp_for_type): Use get_stack_local_alignment.
        * config/i386/i386.h (LOCAL_ALIGNMENT): Updated.
        (STACK_SLOT_ALIGNMENT): New.
        * config/i386/i386.c (ix86_local_alignment): Handle caller-save
        stack slot in XFmode.

        * doc/tm.texi (STACK_SLOT_ALIGNMENT): New.

2008-05-26  Kai Tietz  <kai.tietz@onevision.com>

        PR/36321
        * config/i386/i386.md (allocate_stack_worker_64): Make sure
        argument operand in rax isn't removed.

2008-05-26  Richard Guenther  <rguenther@suse.de>

        PR middle-end/36300
        * fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS,
        not TYPE_UNSIGNED.  Use TYPE_PRECISION instead of GET_MODE_SIZE.

2008-05-26  Daniel Franke  <franke.daniel@gmail.com>

        PR bootstrap/36331
        * c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__.

2008-05-26  Dominique Dhumieres  <dominiq@lps.ens.fr>

        * config/darwin-c.c: Include "incpath.h" instead of "c-incpath.h".
        * config/t-darwin: Use "incpath.h" instead of "c-incpath.h".

2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
        build a trampoline if we don't want one.
        * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Do not
        return zero for nested functions if we don't want a trampoline.

2008-05-26  Daniel Franke  <franke.daniel@gmail.com>

        * doc/invoke.texi: Added f77, f77-cpp-input to list of file types.

2008-05-26  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/18428
        * c.opt: Removed undocumented option '-lang-fortran'.
        * c-common.h: Removed global variable 'lang_fortran'.
        * c-opts.c (c_common_handle_option): Removed code to handle
        option '-lang-fortran'. Updated includes.
        * c-cppbuiltin.c (c_cpp_builtins): Removed conditional
        definition of '__GFORTRAN__'.
        (define__GNUC__): Reimplemented to use BASEVER and
        cpp_define_formatted.
        (builtin_define_with_value_n): Removed.
        * c-incpath.h: Renamed to ...
        * incpath.h: ... this.
        * c-incpath.c: Renamed to ...
        * incpath.c: ... this. Updated includes.
        * fix-header.c: Updated includes.
        * Makefile.in: Replaced c-incpath.[ch] by incpath.[ch].
        (c-cppbuiltin.o): Added dependency on and definition of BASEVER.
        (OBJ-archive): Added cppdefault.o, incpath.o and prefix.o.

2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.h: Update the table of flags used on tree nodes.
        (TREE_NO_TRAMPOLINE): New accessor for static_flag.
        (SAVE_EXPR_RESOLVED_P): Use automatically-built access check.
        (FORCED_LABEL): Add access check.
        (CALL_EXPR_RETURN_SLOT_OPT): Likewise.
        (ASM_INPUT_P): Likewise.
        (ASM_VOLATILE_P): Likewise.
        (EH_FILTER_MUST_NOT_THROW): Access static_flag directly.
        (OMP_SECTION_LAST): Access private_flag directly.
        (OMP_RETURN_NOWAIT): Likewise.
        (OMP_PARALLEL_COMBINED): Likewise.
        (OMP_CLAUSE_PRIVATE_DEBUG): Access public_flag directly.
        (OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE): Likewise.
        * tree-ssa-propagate.c (STMT_IN_SSA_EDGE_WORKLIST): Access
        deprecated_flag directly.

2008-05-25  H.J. Lu  <hongjiu.lu@intel.com>

        * final.c (frame_pointer_needed): Removed.
        * flags.h (frame_pointer_needed): Likewise.

        * function.h (rtl_data): Add frame_pointer_needed.
        (frame_pointer_needed): New.

2008-05-25  Arthur Loiret  <arthur.loiret@u-psud.fr>

        * config.gcc (sh2[lbe]*-*-linux*): Allow target.

2008-05-25  Steven Bosscher  <stevenb.gcc@gmail.com>

        * gcse.c (hash_scan_set): Do not pick up a REG_EQUAL value if
        SRC is a REG.

2008-05-25  Alan Modra  <amodra@bigpond.net.au>

        * c-common.c (strip_array_types): Move function to..
        * tree.c: ..here.
        (get_inner_array_type): Delete.
        * c-common.h (strip_array_types): Move declaration to..
        * tree.h: ..here.
        (get_inner_array_type): Delete.
        * config/i386/i386.c (x86_field_alignment): Use strip_array_types.
        * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
        * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
        * config/pa/pa.c (emit_move_sequence): Likewise.

2008-05-24  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.md (*sse_prologue_save_insn): Set length
        attribute to 34.

2008-05-24  Andy Hutchinson  <hutchinsonandy@aim.com>

        * function.c: Include target hook for nonlocal_goto frame value.

2008-05-24  Richard Guenther  <rguenther@suse.de>

        * tree-dfa.c (refs_may_alias_p): Re-instantiate case that a scalar
        variable can be only accessed through a pointer or a union.

2008-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (fold_builtin_fpclassify): Fix spelling of FP_INFINITE.
        * doc/extend.texi: Likewise.

2008-05-23  DJ Delorie  <dj@redhat.com>

        * config/m32c/jump.md (untyped_call): Add.

        * config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type
        for A24 to PSImode.
        (m32c_address_cost): Detail costs for indirect offsets.

2008-05-23  Rafael Espindola  <espindola@google.com>

        * see.c (see_get_extension_data): Don't use SUBREG_REG to test
        if a node is a SUBREG.
        (see_analyze_one_def): Don't use SUBREG_REG to test if a node
        is a SUBREG.

2008-05-23  Paul Brook  <paul@codesourcery.com>
            Carlos O'Donell  <carlos@codesourcery.com>

        * doc/extend.texi: Clarify use of __attribute__((naked)).
        * doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
        * target.h (gcc_target): Add allocate_stack_slots_for_args.
        * function.c (use_register_for_decl): Use
        targetm.calls.allocate_stack_slots_for_args.
        * target-def.h (TARGET_CALLS): Add TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
        * config/arm/arm.c (arm_allocate_stack_slots_for_args): New function.
        (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.

2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>

        * expr.c (highest_pow2_factor) <BIT_AND_EXPR>: New case.

2008-05-23  Steven Munroe  <sjmunroe@us.ibm.com>

        * config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full
        PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result
        is only rounded once.

2008-05-23  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-operands.c (mark_difference_for_renaming): Use bitmap_xor.

2008-05-23  Uros Bizjak  <ubizjak@gmail.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR target/36079
        * configure.ac: Handle --enable-cld.
        * configure: Regenerated.
        * config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets.
        * config/i386/i386.h (struct machine_function): Add needs_cld field.
        (ix86_current_function_needs_cld): New define.
        * config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant.
        (cld): New isns pattern.
        (strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1,
        cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag.
        * config/i386/i386.opt (mcld): New option.
        * config/i386/i386.c (ix86_expand_prologue): Emit cld insn if
        TARGET_CLD and ix86_current_function_needs_cld.
        (override_options): Use -mcld by default for 32-bit code if
        USE_IX86_CLD.

        * doc/install.texi (Options specification): Document --enable-cld.
        * doc/invoke.texi (Machine Dependent Options)
        [i386 and x86-64 Options]: Add -mcld option.
        (Intel 386 and AMD x86-64 Options): Document -mcld option.

2008-05-23  Kai Tietz  <kai.tietz@onevison.com>
        * config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
        (return_in_memory_64): Likewise.
        (return_in_memory_ms_64): Likewise.

2008-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New.
        * builtins.c (fold_builtin_fpclassify): New.
        (fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY.
        * builtins.def (BUILT_IN_FPCLASSIFY): New.
        * c-common.c (handle_type_generic_attribute): Adjust to accept
        fixed arguments before an elipsis.
        (check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY.
        * doc/extend.texi: Document __builtin_fpclassify.

2008-05-22  Aldy Hernandez  <aldyh@redhat.com>

        * omp-low.c (gate_expand_omp_ssa): Remove.
        (pass_expand_omp_ssa): Remove.
        (gate_expand_omp): Do not check for flag_openmp_ssa.
        * common.opt (-fopenmp-ssa): Remove.
        * passes.c (init_optimization_passes): Remove pass_expand_omp_ssa.

2008-05-22  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.opt (mfixed-range): New option.
        * config/sh/sh-protos.h (sh_fix_range): Declare.
        * config/sh/sh.c (sh_fix_range): New function.
        * config/sh/sh.h (sh_fixed_range_str): Declare.
        (OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
        is not empty.
        * doc/invoke.texi (SH Options): Document -mfixed-range.

2008-05-22  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine
        it before the redeclaration.

2008-05-22  Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.c (get_sequence_length): Add new function.
        (expand_prologue, expand_epilogue): Remove duplicate code.

2008-05-22  Rafael Espindola  <espindola@google.com>

        * see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
        sharing.

2008-05-22  H.J. Lu  <hongjiu.lu@intel.com>

        * defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
        * doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.

        * tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
        UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
        (vect_update_misalignment_for_peel): Likewise.
        (vector_alignment_reachable_p): Likewise.
        * tree-vect-transform.c (vectorizable_load): Likewise.
        * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
        (get_vectype_for_scalar_type): Pass mode of scalar_type
        to UNITS_PER_SIMD_WORD.

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

2008-05-22  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/36293
        * tree-vect-transform.c (vect_transform_strided_load): Don't check
        if the first load must be skipped because of a gap.

2008-05-22  Richard Guenther  <rguenther@suse.de>

        * tree-dfa.c (refs_may_alias_p): Exit early if possible.  Handle
        more cases of offset disambiguation that is possible if
        strict-aliasing rules apply.
        * tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
        for basic offset and type-based disambiguation.

2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_expand_vector_init_one_var): Use
        ix86_expand_vector_set on V16QImode for SSE4.1.

2008-05-21  Tom Tromey  <tromey@redhat.com>

        * c.opt (Wimport): Mark as undocumented.
        * doc/invoke.texi (Option Summary): Don't mention -Wimport or
        -Wno-import.
        (Warning Options): Likewise.
        * doc/cppopts.texi: Don't mention -Wimport.

2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/36287
        PR tree-optimization/36286
        * lambda-code.c (build_access_matrix): Do not use the loop->num
        for computing the number of induction variables: use the loop depth
        instead.

2008-05-21  Kai Tietz  <kai.tietz@onevision.com>

        PR/36280
        * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor
        option -f(no-)leading-underscore.

2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_expand_vector_init_general): Use
        GET_MODE_NUNITS (mode).

2008-05-21  Peter Bergner  <bergner@vnet.ibm.com>

        * doc/invoke.texi: Add cpu_type's 464 and 464fp.
        (-mmulhw): Add 464 to description.
        (-mdlmzb): Likewise.
        * config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
        * config/rs6000/rs6000.c (processor_target_table): Add 464 and
        464fp entries.
        * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
        * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
        * config/rs6000/rs6000.md: Update comments for 464.

2008-05-21  Janis Johnson  <janis187@us.ibm.com>

        * doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.

2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/sse.md (vec_extractv4sf): Removed.
        (vec_extractv2df): Likewise.
        (vec_extractv2di): Likewise.
        (vec_extractv4si): Likewise.
        (vec_extractv8hi): Likewise.
        (vec_extractv16qi): Likewise.
        (vec_extract<mode>): New.

2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/sse.md (vec_setv4sf): Removed.
        (vec_setv2df): Likewise.
        (vec_setv2di): Likewise.
        (vec_setv4si): Likewise.
        (vec_setv8hi): Likewise.
        (vec_setv16qi): Likewise.
        (vec_set<mode>): New.

2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_expand_vector_init_general): Remove
        goto for vec_concat and vec_interleave.

2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/sse.md (vec_initv4sf): Removed.
        (vec_initv2df): Likewise.
        (vec_initv2di): Likewise.
        (vec_initv4si): Likewise.
        (vec_initv8hi): Likewise.
        (vec_initv16qi): Likewise.
        (vec_init<mode>): New.

2008-05-21  Joseph Myers  <joseph@codesourcery.com>

        * collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.

2008-05-21  Tom Tromey  <tromey@redhat.com>

        * ggc-zone.c (lookup_page_table_if_allocated): New function.
        (zone_find_object_offset): Likewise.
        (gt_ggc_m_S): Likewise.
        (highest_bit): Likewise.
        * ggc-page.c (gt_ggc_m_S): New function.
        * stringpool.c (string_stack): Remove.
        (init_stringpool): Update.
        (ggc_alloc_string): Use ggc_alloc.
        (maybe_delete_ident): New function.
        (ggc_purge_stringpool): Likewise.
        (gt_ggc_m_S): Remove.
        * ggc-common.c (ggc_protect_identifiers): New global.
        (ggc_mark_roots): Call ggc_purge_stringpool.  Use
        ggc_protect_identifiers.
        * ggc.h (ggc_protect_identifiers): Declare.
        (gt_ggc_m_S): Update.
        (ggc_purge_stringpool): Declare.
        * toplev.c (compile_file): Set and reset ggc_protect_identifiers.
        * gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
        special case.
        (write_root): Cast gt_ggc_m_S to gt_pointer_walker.

2008-05-21  David S. Miller  <davem@davemloft.net>

        * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
        tmake_file.

2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>

        * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
        once finished.

2008-05-20  David Daney  <ddaney@avtrex.com>

        * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
        UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE_12): New define_constants.
        (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
        UNSPEC_UPDATE_GOT_VERSION): Renumber.
        (optab, insn): Add 'plus' and 'minus' to define_code_attr.
        (atomic_hiqi_op): New define_code_iterator.
        (sync_compare_and_swap<mode>): Call mips_expand_atomic_qihi instead of
        mips_expand_compare_and_swap_12.
        (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
        MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to MIPS_COMPARE_AND_SWAP_12.
        (sync_<optab><mode>, sync_old_<optab><mode>,
        sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
        sync_new_nand<mode>): New define_expands for HI and QI mode operands.
        (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
        sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
        (sync_lock_test_and_set<mode>): New define_expand for HI and QI modes.
        (test_and_set_12): New insn.
        (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
        sync_new_<optab><mode>, sync_old_nand<mode>,
        sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
        clobber to operand 0 for SI and DI mode insns.
        * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
        mips_gen_fn_4): New typedefs.
        (mips_gen_fn_ptrs): Define new union type.
        (mips_expand_compare_and_swap_12): Remove declaration.
        (mips_expand_atomic_qihi): Declare function.
        * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
        (mips_expand_atomic_qihi): ... this.  Use new generator function
        parameter.
        * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
        (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
        (MIPS_COMPARE_AND_SWAP_12_ZERO_OP, MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
        MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
        MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
        MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
        MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
        MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
        MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
        MIPS_SYNC_EXCHANGE_12_ZERO_OP, MIPS_SYNC_EXCHANGE_12_NONZERO_OP):
        New macros.

2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
        the missing break.

2008-05-20  Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
        * config/avr/avr.c (avr_OS_main_function_p): Add new function.
        (avr_attribute_table): Add 'OS_main' function attribute.
        (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
        functions with 'OS_main' attribute.

2008-05-20  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/35204
        * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
        helper, split out from ...
        (DFS): ... here.  Make the DFS walk non-recursive.

2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
            Jan Sjodin  <jan.sjodin@amd.com>

        PR tree-optimization/36181
        * tree-parloops.c (loop_has_vector_phi_nodes): New.
        (parallelize_loops): Don't parallelize when the loop has vector
        phi nodes.

2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
            Sebastian Pop  <sebastian.pop@amd.com>

        * tree-loop-linear.c (gather_interchange_stats): Look in the access
        matrix, and never look at the tree representation of the memory
        accesses.
        (linear_transform_loops): Computes parameters and access matrices.
        * tree-data-ref.c (compute_data_dependences_for_loop): Returns false
        when fails.
        (access_matrix_get_index_for_parameter): New.
        * tree-data-ref.h (struct access_matrix): New.
        (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
        AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
        AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
        am_vector_index_for_loop): New.
        (struct data_reference): Add field access_matrix.
        (DR_ACCESS_MATRIX): New.
        (compute_data_dependences_for_loop): Update declaration.
        (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
        * lambda.h (lambda_vector_vec_p): Declared.
        * lambda-code.c: Depend on pointer-set.h.
        (lambda_collect_parameters_from_af, lambda_collect_parameters,
        av_for_af_base, av_for_af, build_access_matrix,
        lambda_compute_access_matrices): New.
        * Makefile.in (lambda-code.o): Depend on pointer-set.h.

2008-05-20  Joseph Myers  <joseph@codesourcery.com>

        * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
        $SOURCEDIR/include.

2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
            Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/36206
        * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
        FOLD_CONVERSIONS.
        (instantiate_scev_1): Rename flags to fold_conversions.
        Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
        outeside instantiation_loop.
        * tree-chrec.h (evolution_function_is_affine_in_loop): New.
        (evolution_function_is_affine_or_constant_p): Removed.
        * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
        instantiate_scev.
        (analyze_siv_subscript): Pass in the loop nest number.
        Call evolution_function_is_affine_in_loop instead of
        evolution_function_is_affine_p.
        (analyze_overlapping_iterations): Pass in the loop nest number.

2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
            Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/36206
        * tree-chrec.h (chrec_fold_op): New.
        * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR,
        and other trees.

2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>

        * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
        (DIRS_EQ): New.
        (remove_duplicates): Do not set inode on non-inode systems.
        Use DIRS_EQ.

2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>

        * config.gcc (tm_file): Update comments about relative pathnames.

2008-05-20  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure.
        * tree-ssa-sccvn.c (process_scc): Likewise.
        * tree-ssa-sink.c (execute_sink_code): Likewise.
        * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
        * tree-vrp.c (process_assert_insertions): Likewise.
        * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
        (perform_tree_ssa_dce): Likewise.
        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
        (dump_dominator_optimization_stats): Likewise.
        * tree-vectorizer.c (vectorize_loops): Likewise.

2008-05-20  Richard Guenther  <rguenther@suse.de>

        * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.

2008-05-20  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
        (ix86_i386elf_return_in_memory): Likewise.
        (ix86_i386interix_return_in_memory): Likewise.
        * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
        (SUBTARGET_RETURN_IN_MEMORY): New.
        * config/i386/i386elf.h: Likewise.
        * config/i386/ptx4-i.h: Likewise.
        * config/i386/sol2-10.h: Likewise.
        * config/i386/sysv4.h: Likewise.
        * config/i386/vx-common.h: Likewise.
        * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
        * config/i386/i386.c (ix86_return_in_memory): Made static and
        make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
        (ix86_i386elf_return_in_memory): Removed.
        (ix86_i386interix_return_in_memory): Removed.
        (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
        * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.

2008-05-20  Alexandre Oliva  <aoliva@redhat.com>

        * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.

2008-05-19  Xinliang David Li  <davidxl@google.com>

        * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18.
        * opts.c: Ditto.
        * common.opt: Ditto.
        * doc/invoke.texi: Ditto.

2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
        (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.

2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_expand_vector_init_concat): Change
        sizes of operand array from 8/4 to 4/2.
        (ix86_expand_vector_init_general): Change size of operand array
        from 32 to 16.  Remove op0, op1 and half_mode.

2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_expand_vector_init_concat): New.
        (ix86_expand_vector_init_interleave): Likewise.
        (ix86_expand_vector_init_general): Use them.  Assert
        word_mode == SImode when n_words == 4.

2008-05-19  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_secondary_reload): New static function.
        (TARGET_SECONDARY_RELOAD): New define.
        * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
        * config/i386/i386.md (reload_outqi): Remove.

2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR middle-end/35509
        * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
        Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
        (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
        (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
        (fold_builtin_1): Likewise.
        * builtins.def (BUILT_IN_ISINF_SIGN): New.
        c-common.c (check_builtin_function_arguments): Handle
        BUILT_IN_ISINF_SIGN.
        * doc/extend.texi: Document __builtin_isinf_sign.
        * fold-const.c (operand_equal_p): Handle COND_EXPR.

2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
        EH cleanup at the end of the pass, search for those that have been
        turned into forwarder blocks and do the cleanup on their successor.

2008-05-18  Richard Guenther  <rguenther@suse.de>

        * tree-cfg.c (verify_gimple_expr): Allow conversions from
        pointers to sizetype and vice versa.

2008-05-18 Xinliang David Li   <davidxl@google.com>

        * gcc/tree-ssa-dce.c: Coding style fix.
        (check_pow): Documentation comment.
        (check_log): Documenation comment. Coding style fix.
        (is_unnecessary_except_errno_call): Ditto.
        (gen_conditions_for_pow): Ditto.
        (gen_conditions_for_log): Ditto.
        (gen_shrink_wrap_conditions): Ditto.
        (shrink_wrap_one_built_in_calls): Ditto.
        * gcc/doc/invoke.texi: Better documentation string.
        * ChangeLog: Fix wrong change log entries from
        May 17 checkin on function call DCE.

2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.

2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>

        * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
        * df-problems.c (simulation routines): Fixed block comment to
        properly say how to add forwards scanning functions.

2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-inline.c (setup_one_parameter): Remove dead code.

2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>

        * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
        a BIT_AND_EXPR only for an INTEGER_TYPE.

2008-05-17 Xinliang David Li   <davidxl@google.com>

        * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
        (check_pow, check_log, is_unnecessary_except_errno_call): New
        functions to check for eliminating math functions that are pure
        except for setting errno.
        (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
        general condition expressions for shrink-wrapping pow/log calls.
        (gen_shrink_wrap_conditions): Ditto.
        (shrink_wrap_one_built_in_call): Ditto.
        (shrink_wrap_conditional_dead_built_in_calls): Ditto.
        (mark_operand_necessary): If debugging, output if OP is necessary.
        (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
        unnecessary.
        * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
        opt level >= 2.
        * gcc/common.opt: New user flag -ftree-builtin-dce.
        * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.

2008-05-16  David S. Miller  <davem@davemloft.net>

        * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
        * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.

2008-05-16  Uros Bizjak  <ubizjak@gmail.com>

        PR target/36246
        * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.

2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>

        * ifcvt.c (dead_or_predicable): Rename
        df_simulate_one_insn_backwards to df_simulate_one_insn.
        * recog.c (peephole2_optimize): Ditto.
        * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
        Ditto.
        * df.h: Rename df_simulate_one_insn_backwards to
        df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
        * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
        scanning of defs and uses.
        (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
        (df_simulate_one_insn_forwards): Removed.

2008-05-16  Doug Kwan  <dougkwan@google.com>

        * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
        QNaN & SNaN.
        (real_from_string): Handle NaNs and Inf as approriate.

2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>

        * doc/gty.texi (Source Files Containing Type Information): Note
        that headers should appear first in the gtfiles list.

2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>

        * tree.def (COND_EXEC): Properly documented this code.

2008-05-16  Diego Novillo  <dnovillo@google.com>

        * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
        * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
        the new field.

2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>

        * tree-ssa-dse (max_stmt_uid): Removed.
        (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt,
        tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
        * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
        * function.h (cfun.last_stmt_uid): New field.
        * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
        gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
        New functions.
        * tree-dfa.c (renumber_gimple_stmt_uids): New function.
        (create_stmt_ann): Initialize the ann->uid field.
        * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
        with new calls.
        * tree-flow.h (renumber_gimple_stmt_uids): New function.

2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>

        * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
        * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
        (init_empty_tree_cfg): Call it.

2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>

        * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
        Update all users.

2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>

        * doc/invoke.text (-fdump-tree-*-verbose): New option.
        * tree-dump.c (dump_options): New verbose option.
        * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
        Add verbose dump.
        * tree-pass.h (TDF_VERBOSE): New dump flag.
        * print-tree.c (print_node): Added code to be able to print PHI_NODES.
        (tree-flow.h): Added include.
        * Makefile.in (print-tree.o):  Added TREE_FLOW_H.

2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.

        From Jie Zhang  <jie.zhang@analog.com>
        * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
        MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
        mcpu=bf561-none and mcpu=bf561-0.2.
        * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
        MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
        * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
        MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
        * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
        * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
        (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
        option.
        * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
        (cputype_selected): Remove.
        (bfin_handle_option): Don't use cputype_selected.
        (override_options): When no mcpu option, enable all workarounds.
        Don't use bfin_workarounds.
        * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
        processor type.
        (DEFAULT_CPU_TYPE): Don't define.

2008-05-16  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
        on deletion of the last stmt.

2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
        V8HImode for SSE2 and V16QImode for SSE4.1.

2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>

        * cgraph.h (compute_inline_parameters): Made public.
        * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
        variable_generate_summary, function_write_summary,
        variable_write_summary, variable_read_summary.  Added generate_summary,
        write_summary, read_summary.
        * cgraphunit.c (cgraph_process_new_functions): Changed call from
        pass_ipa_inline.function_generate_summary, to
        compute_inline_parameters.
        * ipa-inline.c (compute_inline_parameters): Made public and added
        node parameter.
        (compute_inline_parameters_for_current): New function.
        (pass_inline_param): Now calls compute_inline_parameters_for_current.
        (inline_generate_summary): Removed parameter and made to loop over
        all cgraph nodes.
        (pass_ipa_inline): Updated for new IPA_PASS structure.
        * passes.c (execute_ipa_summary_passes): Now is called once per
        pass rather than once per node*pass.

2008-05-15  Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p,
        avr_have_mul_p, avr_asm_only_p): Remove variables.
        (avr_override_options): Remove initialization of removed variables.
        (avr_file_start):  Convert removed variables to fields of
        'struct base_arch_s *avr_current_arch'.
        * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
        (AVR_HAVE_MUL): (Ditto.).
        (AVR_HAVE_MOVW): (Ditto.).
        (AVR_HAVE_LPMX): (Ditto.).
        (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p,
        avr_asm_only_p): Remove declaration.

2008-05-15  Diego Novillo  <dnovillo@google.com>

        * config/arm/arm.c (arm_return_in_memory): Fix return type.
        * config/arm/arm-protos.h (arm_return_in_memory): Likewise.

2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>

        PR middle-end/36194
        * combine.c (check_conversion): Rename back to check_promoted_subreg.
        Don't call record_truncated_value from here.
        (record_truncated_value): Turn it into a for_each_rtx callback.
        (record_truncated_values): New function.
        (combine_instructions): Call note_uses with record_truncated_values.
        Change name of check_conversion to check_promoted_subreg.

2008-05-15  Janis Johnson  <janis187@us.ibm.com>

        * doc/sourcebuild.texi: Document support for torture tests.

2008-05-15  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
        to alternative 4 of operand 2.

2008-05-15  Richard Guenther  <rguenther@suse.de>

        * tree-pass.h (current_pass): Declare.
        (get_pass_for_id): Likewise.
        * passes.c (passes_by_id, passes_by_id_size): New globals.
        (set_pass_for_id): New function.
        (get_pass_for_id): Likewise.
        (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
        (execute_function_todo): Flush per function statistics.
        * toplev.c (compile_file): Init statistics.
        (general_init): Do early statistics initialization.
        (finalize): Finish statistics.
        * statistics.h (statistics_early_init): Declare.
        (statistics_init): Likewise.
        (statistics_fini): Likewise.
        (statistics_fini_pass): Likewise.
        (statistics_counter_event): Likewise.
        (statistics_histogram_event): Likewise.
        * statistics.c: New file.
        * Makefile.in (OBJS-common): Add statistics.o.
        (statistics.o): Add dependencies.
        * doc/invoke.texi (-fdump-statistics): Document.

        * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
        (insert): Likewise.
        (execute_pre): Use statistics_counter_event.
        * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
        (substitute_and_fold): Increment it.  Use statistics_counter_event.

2008-05-15  Diego Novillo  <dnovillo@google.com>

        http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html

        * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
        * tree-ssa-alias.c (new_type_alias): Remove references to
        sub-variables from comment.
        * tree-ssa-operands.c (swap_tree_operands): Likewise.

2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
        attribute to 1 only for insertps alternative.

2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.md (loadbytes): New pattern.
        * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
        (bfin_init_builtins): Initialize it.
        (bdesc_1arg): Add it.

2008-05-15  Sa Liu  <saliu@de.ibm.com>

        * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
        * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
        * testsuite/lib/target-supports.exp: Add
        check_effective_target_fortran_integer_16.

2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
        * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
        * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
        (TARGET_RETURN_IN_MEMORY): Define.

2008-05-15  Richard Guenther  <rguenther@suse.de>

        PR middle-end/36244
        * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
        * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
        represent unmodifiable vars.

2008-05-15  Richard Guenther  <rguenther@suse.de>

        * tree-dfa.c (refs_may_alias_p): Allow all kinds of
        INDIRECT_REF and TARGET_MEM_REF.
        * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
        TARGET_MEM_REF.

2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
            H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
        (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
        for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
        insn alternatives.  Add missing alternatives.
        (*vec_concatv2di_rex64_sse4_1): Likewise.
        (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
        (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
        Require TARGET_SSE.

2008-05-15  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36009
        PR tree-optimization/36204
        * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
        (determine_invariantness_stmt): Record the loop a store is
        always executed in.
        * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
        dependency.

2008-05-15  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/34330
        * tree-ssa-alias.c (get_smt_for): Only assert that accesses
        through the pointer will alias the SMT.

2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>

        * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.

2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.

2008-05-14  Michael Meissner  <michael.meissner@amd.com>
            Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>

        * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
        OTI_vrotl, OTI_vrotr to support vector/vector shifts.
        (vashl_optab): New optab for vector/vector shifts.
        (vashr_optab): Ditto.
        (vlshr_optab): Ditto.
        (vrotl_optab): Ditto.
        (vrotr_optab): Ditto.
        (optab_subtype): New enum for optab_for_tree_code call.
        (optab_for_tree_code): Add enum optab_subtype argument.

        * optabs.c (optab_for_tree_code): Take an additional argument to
        distinguish between a vector shift by a scalar and vector shift by
        a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
        shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
        vector shift by a vector.
        (expand_widen_pattern_expr): Pass additional argument to
        optab_for_tree_code.

        * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
        vrotl_optab, vrotr_optab.

        * expr.c (expand_expr_real_1): Update calls to
        optab_for_tree_code to distinguish between vector shifted by a
        scalar and vector shifted by a vector.
        * tree-vectorizer.c (supportable_widening_operation): Ditto.
        (supportable_narrowing_operation): Ditto.
        * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
        * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
        * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
        (vect_create_epilog_for_reduction): Ditto.
        (vectorizable_reduction): Ditto.
        (vectorizable_operation): Ditto.
        (vect_strided_store_supported): Ditto.
        (vect_strided_load_supported): Ditto.
        * tree-vect-generic.c (expand_vector_operations_1): Ditto.
        * expmed.c (expand_shift): Ditto.

        * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
        scalar type.
        (ashr@var{m}3): Ditto.
        (vashl@var{m}3): Document new vector/vector shift standard name.
        (vashr@var{m}3): Ditto.
        (vlshr@var{m}3): Ditto.
        (vrotl@var{m}3): Ditto.
        (vrotr@var{m}3): Ditto.

        * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
        (PPERM_INVERT): Ditto.
        (PPERM_REVERSE): Ditto.
        (PPERM_REV_INV): Ditto.
        (PPERM_ZERO): Ditto.
        (PPERM_ONES): Ditto.
        (PPERM_SIGN): Ditto.
        (PPERM_INV_SIGN): Ditto.
        (PPERM_SRC1): Ditto.
        (PPERM_SRC2): Ditto.

        * config/i386/sse.md (mulv2di3): Add SSE5 support.
        (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
        allows a memory operand to be the value being added, and split it
        to improve vectorization.
        (sse5_pmacsdqh_mem): Ditto.
        (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
        (sse5_mulv2div2di3_high): Ditto.
        (vec_pack_trunc_v8hi): Add SSE5 pperm support.
        (vec_pack_trunc_v4si): Ditto.
        (vec_pack_trunc_v2di): Ditto.
        (sse5_pcmov_<mode>): Remove code that tried to use use
        andps/andnps instead of pcmov.
        (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
        pmacsdqh instructions.
        (vec_widen_smult_lo_v4si): Ditto.

        * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
        (PPERM_INVERT): Ditto.
        (PPERM_REVERSE): Ditto.
        (PPERM_REV_INV): Ditto.
        (PPERM_ZERO): Ditto.
        (PPERM_ONES): Ditto.
        (PPERM_SIGN): Ditto.
        (PPERM_INV_SIGN): Ditto.
        (PPERM_SRC1): Ditto.
        (PPERM_SRC2): Ditto.
        (ix86_expand_sse_movcc): Move the SSE5 test after the if
        true/false tests.
        (ix86_expand_int_vcond): If SSE5 generate all possible integer
        comparisons.
        (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
        says ignore whether the last reference is a memory operand.

2008-05-14  Michael Meissner  <michael.meissner@amd.com>
            Paolo Bonzini <bonzini at gnu dot org>

        * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
        shift patterns.

        * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
        (vlshr<mode>3): Rename from vlshr<mode>3.
        (vashr<mode>3): Rename from vashr<mode>3.
        (mulv4sf3): Change the names of vector shift patterns.
        (mulv4si3): Ditto.
        (negv4sf2): Ditt.

        * config/spu/spu.c (spu_initialize_trampoline): Rename vector
        shift insns.

        * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
        (SI_SHLHI): Ditto.
        (SI_SHL): Ditto.
        (SI_SHLI): Ditto.
        (SI_ROTH): Ditto.
        (SI_ROTHI): Ditto.
        (SI_ROT): Ditto.
        (SI_ROTI): Ditto.
        (SPU_RL_0): Ditto.
        (SPU_RL_1): Ditto.
        (SPU_RL_2): Ditto.
        (SPU_RL_3): Ditto.
        (SPU_RL_4): Ditto.
        (SPU_RL_5): Ditto.
        (SPU_RL_6): Ditto.
        (SPU_RL_7): Ditto.
        (SPU_SL_0): Ditto.
        (SPU_SL_1): Ditto.
        (SPU_SL_2): Ditto.
        (SPU_SL_3): Ditto.
        (SPU_SL_4): Ditto.
        (SPU_SL_5): Ditto.
        (SPU_SL_6): Ditto.
        (SPU_SL_7): Ditto.

        * config/spu/spu.md (v): New iterator macro to add v for vector types.
        (floatunssidf2_internal): Change vector/vector shift names.
        (floatunsdidf2_internal): Ditto.
        (mulv8hi3): Ditto.
        (ashrdi3): Ditto.
        (ashrti3): Ditto.
        (cgt_df): Ditto.
        (cgt_v2df): Ditto.
        (dftsv): Ditto.
        (vashl<mode>3): Rename from ashl<mode>3.
        (vashr<mode>3): Rename from ashr<mode>3.
        (vlshr<mode>3): Rename from lshr<mode>3.
        (vrotl<mode>3): Rename from rotl<mode>3.

2008-05-14  Michael Meissner  <michael.meissner@amd.com>

        PR target/36224
        * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
        multiply gives the wrong value when doing widening multiplies.
        (vec_widen_smult_lo_v4si): Ditto.

2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>

        * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
        LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
        emit_library_call_value.
        * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
        * tree.h (ECF_LIBCALL_BLOCK): Removed.
        * calls.c (initialize_argument_information, precompute_arguments,
        expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
        (precompute_arguments): Removed flags parameter.
        * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.

2008-05-14  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
        Make sure to register the store if the use is a PHI_NODE.

2008-05-14  Olivier Hainque  <hainque@adacore.com>

        * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
        memory if the component is to be referenced in BLKmode according
        to get_inner_reference.

2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>

        * calls.c (emit_library_call_value_1): Restore code clearing
        ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.

2008-05-14  Olivier Hainque  <hainque@adacore.com>
            Nicolas Roche  <roche@adacore.com>

        * configure.ac: Add support for a "gcc_subdir" variable in
        config-lang.in, to denote a subdirectory where the language/GCC
        integration files are to be found.
        * configure: Regenerate.

2008-05-14  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/36098
        * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
        value for the first load in the group in case of a gap.
        (vect_build_slp_tree): Check that there are no gaps in loads.

2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>

        * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
        * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
        expand_copysign_bit, ): Change call to emit_no_conflict_block to
        emit_insn and remove unneeded code to construct extra args.
        (emit_no_conflict_block): Removed.
        * optabls.h: (emit_no_conflict_block): Removed.
        * cse.c (cse_extended_basic_block): Remove search for
        REG_NO_CONFLICT note.
        * global.c: Removed incorrect comment added in revision 117.
        * expr.c (convert_move): Change call to emit_no_conflict_block to
        emit_insn.
        * recog.c: Change comments so that they do not mention
        REG_NO_CONFLICT.
        * local_alloc.c (combine_regs): Removed last parameter.
        (no_conflict_p): Removed.
        (block_alloc): Removed note, no_conflict_combined_regno and set
        local vars. Removed all code to process REG_NO_CONFLICT blocks.
        (combine_regs): Removed already_dead and code to look for
        REG_NO_CONFLICT notes.
        * lower_subreg (remove_retval_note): Removed code to look for
        REG_NO_CONFLICT block.
        (resolve_reg_notes): Removed REG_NO_CONFLICT case.
        (resolve_clobber): Remove code to process libcalls that have
        REG_NO_CONFLICT notes.
        * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
        case.
        * combine.c (can_combine_p, distribute_notes):  Removed
        REG_NO_CONFLICT case.
        * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
        to emit_insns.
        * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
        * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
        Ditto.
        * reg-notes.def (NO_CONFLICT): Removed.

2008-05-14  David S. Miller  <davem@davemloft.net>

        * config/sparc/sparc.c (sparc_profile_hook): If
        NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
        * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
        * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.

2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>

        * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.

2008-05-13  Uros Bizjak  <ubizjak@gmail.com>

        PR target/36222
        * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
        and op1 expansion before vector concat to have less live pseudos.

2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
        ix86_expand_vector_set if supported.

2008-05-13  Diego Novillo  <dnovillo@google.com>
            Kenneth Zadeck  <zadeck@naturalbridge.com>

        http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html

        * tree.h (init_phinodes, fini_phinodes, release_phi_node,
        phinodes_print_statistics, init_ssanames, fini_ssanames,
        make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
        release_ssa_name, release_defs, replace_ssa_name_symbol,
        ssanames_print_statistics): Move ...
        * tree-flow.h: ... here.
        * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
        Use FN instead of cfun.
        (make_ssa_name_fn): Rename from make_ssa_name.
        (pass_release_ssa_names): Add TODO_dump_func to finish flags.
        * tree-flow-inline.h (make_ssa_name): Move from
        tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
        * omp-low.c (expand_omp_parallel):
        * tree-flow-inline.h (redirect_edge_var_map_result):
        * tree-ssa.c (init_tree_ssa): Add argument FN.
        Use it instead of cfun.  Update all users.

2008-05-13  Tom Tromey  <tromey@redhat.com>

        PR preprocessor/22168:
        * doc/cpp.texi (Top): Update menu.
        (Alternatives to Wrapper #ifndef): New node.
        (Other Directives): Document deprecation.
        (Obsolete Features): Remove menu.
        (Assertions): Merge node into Obsolete Features.
        (Obsolete once-only headers): Move earlier; rename to Alternatives
        to Wrapper #ifndef.
        * doc/cppopts.texi: Update.
        * c.opt (Wdeprecated): Enable for C and ObjC.
        * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
        (C++ Dialect Options): Move -Wno-deprecated from here to...
        (Warning Options): ... here.

2008-05-13  Richard Guenther  <rguenther@suse.de>

        PR middle-end/36227
        * fold-const.c (fold_sign_changed_comparison): Do not allow
        changes in pointer-ness.

2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/24713
        * config/sh/sh.c (sh_expand_prologue): Don't clear
        RTX_FRAME_RELATED_P for push insns.

2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>

        * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.

2008-05-12  Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.h (machine_function): Add 'is_leaf' field.
        * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
        Use 'machine->is_leaf' instead of 'leaf_func_p'.

2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
        (*vec_concatv4sf_sse): This.
        (*sse2_concatv2si): Renamed to ...
        (*vec_concatv2si_sse2): This.
        (*sse1_concatv2si): Renamed to ...
        (*vec_concatv2si_sse): This.
        (*vec_concatv2di_rex): Renamed to ...
        (*vec_concatv2di_rex64): This.
        (*vec_concatv2si_sse4_1): New.
        (*vec_concatv2di_rex64_sse4_1): Likewise.

2008-05-12  Uros Bizjak  <ubizjak@gmail.com>

        PR rtl-optimization/36111
        * recog.c (validate_replace_rtx_1): Unshare new RTL expression
        that was created for swappable operands.

2008-05-12  Samuel Tardieu  <sam@rfc1149.net>

        PR ada/36001
        * Makefile.in: Substitute GNATMAKE and GNATBIND.
        * configure.ac: Add call to ACX_PROG_GNAT.

2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>

        * optc-gen.awk: Fix comment typo.

2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>

        * pretty-print.c (pp_integer_with_precision): Use
        HOST_LONG_LONG_FORMAT.

2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>

        * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.

2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (bdesc_ptest): Removed.
        (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
        (bdesc_args): Add __builtin_ia32_ptestz128,
        __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
        (ix86_init_mmx_sse_builtins): Updated.
        (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
        (ix86_expand_builtin): Updated.

2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>

        * tree-cfg.c (valid_fixed_convert_types_p): New function.
        (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.

2008-05-10  Uros Bizjak  <ubizjak@gmail.com>

        * value-prof.c (interesting_stringop_to_profile): Do not
        return early for BUILT_IN_MEMPCPY.

2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>

        * calls.c (expand_call): Don't use callgraph to increase
        preferred_stack_boundary.

        * cgraph.h (cgraph_rtl_info): Use unsigned on
        preferred_incoming_stack_boundary.

        * final.c (rest_of_clean_state): Use unsigned on
        preferred_stack_boundary.

2008-05-09  Tom Tromey  <tromey@redhat.com>

        PR preprocessor/22231:
        * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
        proceeding.

2008-05-09  Uros Bizjak  <ubizjak@gmail.com>

        PR tree-optimization/36129
        * tree-ssa-ccp.c: Include value-prof.h.
        (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
        built-in function was folded to a constant.
        * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h

2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
            Sebastian Pop  <sebastian.pop@amd.com>

        * tree-scalar-evolution.c: Document instantiate_scev.
        (instantiate_parameters_1): Renamed instantiate_scev_1.
        Don't use the same loop for instantiation_loop and evolution_loop.
        (instantiate_scev): New.
        (instantiate_parameters): Moved...
        (resolve_mixers): Update call to instantiate_scev_1 to pass the
        same loop twice.  Maintains the semantics for this function.
        * tree-scalar-evolution.h (instantiate_scev): Declare.
        (instantiate_parameters): ...here.  Now static inline.
        * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
        instead of resolve_mixers.

2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * rtl-factoring.c (collect_pattern_seqs): Fix typo.

2008-05-09  Tomas Bily  <tbily@suse.cz>

        * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
        * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
        * tree-ssa-structalias.c (get_constraint_for): Likewise.
        * c-common.c (c_common_truthvalue_conversion): Likewise.
        * tree-object-size.c (compute_object_offset): Likewise.
        * tree-inline.c (estimate_num_insns_1): Likewise.
        * varasm.c (const_hash_1, compare_constant, copy_constant)
        (compute_reloc_for_constant, output_addressed_constants)
        (initializer_constant_valid_p): Likewise.
        * c-omp.c (check_omp_for_incr_expr): Likewise.
        * gimplify.c (gimplify_expr): Likewise.
        * c-typeck.c (c_finish_return): Likewise.
        * tree-vectorizer.c (supportable_widening_operation)
        (supportable_narrowing_operation): Likewise.
        * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
        * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
        * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
        * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
        (descr_info_loc): Likewise.
        * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
        * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
        (fold_unary): Likewise.
        * builtins.c (get_pointer_alignment): Likewise.
        * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
        (instantiate_parameters_1): Likewise.
        * tree.c (expr_align, stabilize_reference): Likewise.
        * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
        * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
        * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
        * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
        * config/alpha/alpha.c (va_list_skip_additions): Likewise.
        * c-common.c (c_alignof_expr, check_function_arguments_recurse):
        Likewise.
        * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
        * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
        * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
        (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
        (forward_propagate_comparison)
        (tree_ssa_forward_propagate_single_use_vars): Likewise.
        * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
        * emit-rtl.c (component_ref_for_mem_expr)
        (set_mem_attributes_minus_bitpos): Likewise.
        * tree-ssa-phiopt.c (conditional_replacement): Likewise.
        * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
        Likewise.
        * c-typeck.c (default_function_array_conversion, build_indirect_ref)
        (build_function_call, pointer_diff, build_compound_expr)
        (c_finish_return): Likewise.
        * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
        * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
        Likewise.
        * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
        * expr.c (is_aligning_offset): Likewise.
        * tree-ssa-alias.c (is_escape_site): Likewise.
        * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
        (check_all_va_list_escapes): Likewise.
        * tree-ssa-loop-ivopts.c (determine_base_object)
        (determine_common_wider_type): Likewise.
        * dojump.c (do_jump): Likewise.
        * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
        * tree-gimple.c (is_gimple_cast): Likewise.
        * fold-const.c (decode_field_reference, )
        (fold_sign_changed_comparison, fold_unary, fold_comparison)
        (fold_binary): Likewise.
        * tree-ssa-alias-warnings.c (find_alias_site_helper)
        (already_warned_in_frontend_p): Likewise.
        * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
        * tree.c (really_constant_p, get_unwidened): Likewise.
        * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
        * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
        * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
        Likewise.
        * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
        CONVERT_EXPR_P.
        (CONVERT_EXPR_P): Define.
        (CASE_CONVERT): Define.

2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>

        PR middle-end/36117
        * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
        (delete_unmarked_insns): When deleting a call, call
        delete_unreachable_blocks.
        * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
        RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.

2008-05-08  Richard Guenther  <rguenther@suse.de>

        * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
        (-ftree-salias): Likewise.
        (salias-max-implicit-fields): Remove param documentation.
        (salias-max-array-elements): Likewise.
        * tree-pass.h (pass_create_structure_vars): Remove.
        * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
        (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
        * tree-ssa-alias.c (create_structure_vars): Remove.
        (gate_structure_vars): Likewise.
        (pass_create_structure_vars): Likewise.
        (gate_build_alias): Likewise.
        (pass_build_alias): Adjust to run always and dump the function.
        * common.opt (ftree-salias): Hide.
        * passes.c (init_optimization_passes): Remove
        pass_create_structure_vars, adjust comment.
        * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
        (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
        * opts.c (decode_options): Do not set flag_tree_salias.
        (common_handle_option): Add OPT_ftree_salias to the backward
        compatibility section.

2008-05-08  Richard Guenther  <rguenther@suse.de>

        * tree-flow-inline.h (var_can_have_subvars): Move ...
        * tree-ssa-structalias.c (var_can_have_subvars): ... here.
        * tree-flow.h (var_can_have_subvars): Remove.
        (push_fields_onto_fieldstack): Remove.
        (sort_fieldstack): Likewise.
        (struct fieldoff): Move ...
        * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
        alias_set and base_for_components fields.
        (sort_fieldstack): Make static.
        (push_fields_onto_fieldstack): Likewise.  Remove code that
        handles anything but RECORD_TYPEs.  Remove alias_set and
        base_for_components handling.
        (create_variable_info_for): Adjust.

2008-05-08  Seongbae Park  <seongbae.park@gmail.com>

        * common.opt (Wframe-larger-than=): Shorten the help message
        to one line.
        * doc/invoke.texi (Wframe-larger-than=): Add more description.

2008-05-08  Rafael Espindola  <espindola@google.com>

        * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
        trap.
        * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
        trap and that both operands are gimple values.
        (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
        * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
        is a fp operation.

2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>

        * read-rtl.c (join_c_conditions): Return the first string if the
        two strings are equal.

2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>

        * gensupport.h (pred_data): Add a "num_codes" field.
        (add_predicate_code): Declare.
        * gensupport.c (add_predicate_code): New function.
        (std_pred_table): Add an "allows_const_p" field.
        (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
        Remove the (incomplete) list of such codes from the codes field.
        (init_predicate_table): Use add_predicate_code.  Add all
        RTX_CONST_OBJs if allows_const_p is true.
        * genrecog.c (process_define_predicate): Use add_predicate_code.

2008-05-08  David Daney  <ddaney@avtrex.com>
            Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
        special case of constant zero operands.
        * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
        old and new values.  Special case constant zero values.
        * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
        fails.
        (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
        (MIPS_COMPARE_AND_SWAP_12_0): New macro.

2008-05-08  Paolo Bonzini  <bonzini@gnu.org>

        PR target/36090
        * simplify-rtx.c (simplify_plus_minus): Create CONST of
        similar RTX_CONST_OBJ before CONST_INT.

2008-05-08  Steve Ellcey  <sje@cup.hp.com>

        * stmt.c (expand_stack_restore): Change sa mode if needed.

2008-05-08  Richard Guenther  <rguenther@suse.de>

        * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
        return type to bool.
        (ix86_sol10_return_in_memory): Likewise.
        (ix86_i386elf_return_in_memory): Likewise.
        (ix86_i386interix_return_in_memory): Likewise.
        * config/i386/i386.c (ix86_return_in_memory): Likewise.
        (ix86_sol10_return_in_memory): Likewise.
        (ix86_i386elf_return_in_memory): Likewise.
        (ix86_i386interix_return_in_memory): Likewise.

2008-05-08  Kai Tietz  <kai.tietz@onevision.com>

        PR bootstrap/36180
        * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
        fndecl argument.
        (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
        * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
        declared in front.

2008-05-08  Richard Guenther  <rguenther@suse.de>

        * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
        * tree-data-ref.h (struct dr_alias): Remove subvars field.
        (DR_SUBVARS): Remove.
        * tree-dfa.c (dump_subvars_for): Remove.
        (debug_subvars_for): Likewise.
        (dump_variable): Do not dump subvars.
        (remove_referenced_var): Do not remove subvars.
        * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
        (lookup_subvars_for_var): Remove.
        (get_subvars_for_var): Likewise.
        (get_subvars_at): Likewise.
        (get_first_overlapping_subvar): Likewise.
        (overlap_subvar): Likewise.
        * tree-flow.h (subvar_t): Remove.
        (struct var_ann_d): Remove subvars field.
        * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
        argument.  Remove special handling of SFTs.
        (compute_tag_properties): Likewise.
        (set_initial_properties): Likewise.
        (compute_call_clobbered): Likewise.
        (count_mem_refs): Likewise.
        (compute_memory_partitions): Likewise.
        (compute_flow_insensitive_aliasing): Likewise.
        (setup_pointers_and_addressables): Likewise.
        (new_type_alias): Likewise.
        (struct used_part): Remove.
        (used_portions): Likewise.
        (struct used_part_map): Likewise.
        (used_part_map_eq): Likewise.
        (used_part_map_hash): Likewise.
        (free_used_part_map): Likewise.
        (up_lookup): Likewise.
        (up_insert): Likewise.
        (get_or_create_used_part_for): Likewise.
        (create_sft): Likewise.
        (create_overlap_variables_for): Likewise.
        (find_used_portions): Likewise.
        (create_structure_vars): Likewise.
        * tree.def (STRUCT_FIELD_TAG): Remove.
        * tree.h (MTAG_P): Adjust.
        (struct tree_memory_tag): Remove base_for_components and
        unpartitionable flags.
        (struct tree_struct_field_tag): Remove.
        (SFT_PARENT_VAR): Likewise.
        (SFT_OFFSET): Likewise.
        (SFT_SIZE): Likewise.
        (SFT_NONADDRESSABLE_P): Likewise.
        (SFT_ALIAS_SET): Likewise.
        (SFT_UNPARTITIONABLE_P): Likewise.
        (SFT_BASE_FOR_COMPONENTS_P): Likewise.
        (union tree_node): Remove sft field.
        * alias.c (get_alias_set): Remove special handling of SFTs.
        * print-tree.c (print_node): Remove handling of SFTs.
        * tree-dump.c (dequeue_and_dump): Likewise.
        * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
        * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
        * tree-predcom.c (set_alias_info): Do not set subvars.
        * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
        * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
        * tree-ssa-operands.c (access_can_touch_variable): Likewise.
        (add_vars_for_offset): Remove.
        (add_virtual_operand): Remove special handling of SFTs.
        (add_call_clobber_ops): Likewise.
        (add_call_read_ops): Likewise.
        (get_asm_expr_operands): Likewise.
        (get_modify_stmt_operands): Likewise.
        (get_expr_operands): Likewise.
        (add_to_addressable_set): Likewise.
        * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
        * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
        * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
        * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
        (tree_code_size): Remove STRUCT_FIELD_TAG handling.
        (tree_node_structure): Likewise.
        * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
        handling of SFTs.
        (find_what_p_points_to): Likewise.

2008-05-08  Sa Liu  <saliu@de.ibm.com>

        * config/spu/spu.md: Fixed subti3 pattern.

2008-05-08  Richard Guenther  <rguenther@suse.de>

        PR middle-end/36154
        * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
        sure to create a representative for trailing arrays for PTA.

2008-05-08  Richard Guenther  <rguenther@suse.de>

        PR middle-end/36172
        * fold-const.c (operand_equal_p): Two objects which types
        differ in pointerness are not equal.

2008-05-08  Kai Tietz  <kai.tietz@onevision.com>

        * calls.c (compute_argument_block_size): Add argument tree fndecl.
        (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
        (emit_library_call_value_1): Add new variable fndecl initialized by
        NULL_TREE. It should be the decl type of orgfun, but this information
        seems not to be available here, so it uses the default calling abi.
        * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
        * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
        by TARGET_RETURN_IN_MEMORY.
        * config/i386/i386-interix.h: Likewise.
        * config/i386/i386.h: Likewise.
        * config/i386/i386elf.h: Likewise.
        * config/i386/ptx4-i.h: Likewise.
        * config/i386/sol2-10.h: Likewise.
        * config/i386/sysv4.h: Likewise.
        * config/i386/vx-common.h: Likewise.
        * config/cris/cris.h: Removed #if 0 clause.
        * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
        * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
        argument.
        (ix86_sol10_return_in_memory): Likewise.
        (ix86_i386elf_return_in_memory): New.
        (ix86_i386interix_return_in_memory): New.
        * config/mt/mt-protos.h (mt_return_in_memory): New.
        * config/mt/mt.c: Likewise.
        * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
        (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
        * config/bfin/bfin.h: Likewise.
        * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
        argument.
        * config/bfin/bfin.c: Likewise.
        * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
        * config/alpha/unicosmk.h: Likewise.
        * config/i386/cygming.h: Likewise.
        * config/iq2000/iq2000.h: Likewise.
        * config/mips/mips.h: Likewise.
        * config/mn10300/mn10300.h: Likewise.
        * config/rs6000/rs6000.h: Likewise.
        * config/score/score.h: Likewise.
        * config/spu/spu.h: Likewise.
        * config/v850/v850.h: Likewise.
        * defaults.h: Likewise.
        * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
        * expr.c (emit_block_move): Adjust use of
        OUTGOING_REG_PARM_STACK_SPACE.
        * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
        OUTGOING_REG_PARM_STACK_SPACE.
        * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.

2008-05-08  Jakub Jelinek  <jakub@redhat.com>

        * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
        on OMP_RETURN for OMP_FOR.

        PR debug/35896
        * dwarf2out.c (dw_expand_expr, common_check): Removed.
        (fortran_common): New function.
        (gen_variable_die): Call fortran_common instead of common_check,
        adjust for it returning tree instead of rtx.  Formatting.

2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>

        PR rtl/7335
        PR rtl/33826
        * see.c (see_copy_insn): Copy new pure const attributes for new call.
        * c-decl.c (merge_decls): Ditto.
        * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
        to RTL_CONST_OR_PURE_CALL_P.
        * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
        Initialized DECL_LOOPING_CONST_PURE.
        (process_call_operands): Set tree_side_effects properly.
        * tree.h (TREE_READONLY_DECL_P): Removed.
        (DECL_IS_PURE): Renamed to DECL_PURE_P.
        (DECL_LOOPING_OR_CONST_P): New macro.
        (struct tree_function_decl): Added looping_const_or_pure_p.
        (ECF_*) Renumbered.
        (ECF_LOOPING_OR_CONST_P): New macro.
        * rtlanal.c (pure_const_p): Removed.
        * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
        * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
        to RTL_CONST_CALL_P.
        * ipa-pure-const.c (pure_const_state_e): Added looping field.
        (check_decl, check_tree, check_call, scan_function): Initialize
        looping.
        (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
        (static_execute): Set looping true for recursive functions.
        Undo setting state to IPA_NEITHER for recursive functions.
        * cse.c (cse_insn):
        * ifcvt.c (noce_can_store_speculate_p): Changed
        CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or
        RTL_CONST_OR_PURE_CALL_P.
        * dse.c (scan_insn): Ditto.
        * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
        * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
        RTL_CONST_OR_PURE_CALL_P.
        (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
        pure_call_p to RTL_CONST_CALL_P.
        * gimplify.c (gimplify_call_expr): Clear side effects for
        non-looping pure and constant calls.
        * calls.c (emit_call_1): Set rtl flags from ecf flags.
        (flags_from_decl_or_type): Set ecf flags from decl flags.
        (initialize_argument_information): Turn off
        ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
        Change const to pure if callee_copies is true rather than just
        turning off const.
        (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
        way of marking pure calls.
        (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
        Remove hack that was supposed to fix pr7335 and remove old
        way of marking pure calls.
        * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
        RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
        * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
        RTL_CONST_OR_PURE_CALL_P.
        * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
        * loop-invariant.c (find_exits, find_invariant_bb): Changed
        CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
        * sched-deps.c (schedule_analyze): Ditto.
        * rtl.h (struct rtx_def): Use call field, unchanging field, and
        return_val field of calls to represent pure and const function info.
        (CONST_OR_PURE_CALL_P): Deleted macro.
        (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
        RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
        * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
        TREE_READONLY.
        * tree-optimize.c (execute_fixup_cfg): Added test for
        ECF_LOOPING_CONST_OR_PURE.
        * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
        DECL_PURE_P.
        * tree-cfg.c (update_call_expr_flags): Do not clear tree side
        effects for looping pure or const calls.
        (verify_gimple_expr): Added verification code.
        * config/alpha/alpha.c (alpha_legitimize_address,
        alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
        RTL_CONST_CALL_P.
        * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
        * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
        * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
        * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
        RTL_CONST_OR_PURE_CALL_P.
        * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
        and const calls to be deleted.

2008-05-07  Uros Bizjak  <ubizjak@gmail.com>

        PR target/35714
        * config/i386/mmx.md (mmx_subv2sf3): New expander.
        (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
        (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
        (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
        to handle nonimmediate operands.
        (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
        (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
        to handle nonimmediate operands.
        (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
        (mmx_pmulhrwv4hi3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
        (sse2_umulv1siv1di3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
        (mmx_eq<mode>3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
        (mmx_uavgv8qi3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
        (mmx_uavgv4hi3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.

        * config/i386/sse.md
        (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
        to handle nonimmediate operands.
        (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
        to handle nonimmediate operands.
        (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
        to handle nonimmediate operands.
        (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
        to handle nonimmediate operands.
        (sse2_unpckhpd_exp): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (sse2_unpcklpd_exp): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
        to handle nonimmediate operands.
        (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
        to handle nonimmediate operands.
        (*sse2_<plusminus_insn><mode>3): Rename from
        sse2_<plusminus_insn><mode>3 insn pattern.
        (sse2_<plusminus_insn><mode>3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
        (sse2_umulv2siv2di3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
        (sse4_1_mulv2siv2di3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
        (sse2_pmaddwd): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
        (sse2_eq<mode>3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
        (sse4_1_eqv2di3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
        (sse2_uavgv16qi3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
        (sse2_uavgv16qi3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
        (sse2_uavgv8hi3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
        (ssse3_pmulhrswv8hi3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
        (ssse3_pmulhrswv4hi3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.

        (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
        (<sse>_vmmul<mode>3): Ditto.
        (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
        (divv2df3): Ditto.
        (ssse3_pmaddubsw128): Use register_operand for operand 1.
        (ssse3_pmaddubsw): Ditto.

        * config/i386/i386.c (struct_builtin_description)
        [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
        [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
        [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
        [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
        [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
        [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
        [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
        [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
        (ix86_fixup_binary_operands): Assert that src1
        and src2 must have the same mode when swapped.
        (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
        and ix86_binary_operator_ok.  Do not force operands in registers
        when optimizing.

2008-05-07  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (dump_cgraph_node): Update.
        * cgraph.h (cgraph_local_info): Break out inline summary.
        * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
        hook.
        * ipa-inline (inline_summary): New accestor function.
        (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
        cgraph_decide_inlining, compute_inline_parameters): Update.
        * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.

2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>

        Cleanup ColdFire scheduling support and add V4 pipeline model.

        * config/m68k/m68k.md (UNSPEC_TIE): New constant.
        (define_attr cpu): Add cfv4 value.
        (define_attr type, define_attr type1): Merge into a single 'type'
        attribute.  Update all uses.
        (define_attr opx_type, define_attr opy_type, define_attr opx_access):
        Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
        Update all uses.
        (define_attr opx_mem, define_attr opy_mem): Remove.
        (define_attr op_mem): Clean up, update comment.
        (define_attr size): Use specific values instead of general int.
        (define_attr guess, define_attr split): Remove.  Update all uses.
        (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
        tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
        movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
        zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
        68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
        floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
        fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
        adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
        add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
        add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
        sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
        sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
        mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
        umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
        mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
        div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
        one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
        bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
        beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
        bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
        symbolic_call_value_jsr, symbolic_call_value_bsr, link):
        Update or set attributes.
        (stack_tie): New fake instruction.

        * config/m68k/m68k.h (TUNE_CFV4): New macro.
        (m68k_sched_attr_size): Update declaration.
        (m68k_sched_attr_type2): Remove.
        (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
        Declare new bypass predicates.

        * config/m68k/m68k.c (m68k_sched_issue_rate,
        m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
        implementations.
        (TARGET_SCHED_ISSUE_RATE,
        TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
        (override_options): Handle scheduling for ColdFire V4 core.
        (m68k_expand_prologue): Emit stack_tie.
        (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
        'OP_TYPE_FPN'.  Update all uses.
        (sched_guess_p): Remove.
        (sched_address_type): Handle symbolic addresses.
        (sched_get_operand): New static function.
        (sched_operand_type): Merge into sched_attr_op_type.
        (sched_attr_op_type): Handle FP registers, handle quick constants,
        update.
        (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
        (m68k_sched_attr_size): Update.  Move logic to ...
        (sched_get_attr_size_int): New static function.
        (sched_get_opxy_mem_type): New static function.
        (m68k_sched_attr_op_mem): Update.
        (m68k_sched_attr_type2): Remove.
        (sched_cfv4_bypass_data): New static variable.
        (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
        (m68k_sched_issue_rate): Implement scheduler hook.
        (struct _sched_ib: enabled_p): New field.
        (m68k_sched_variable_issue): Update.  Handle V4.
        (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
        sched_dump_class_func_t, sched_dump_split_class,
        sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
        sched_dump_dfa_class, m68k_sched_dump): Remove.
        (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
        hook.
        (m68k_sched_init_global): Remove statisctics dumping, introduce
        sanity check that all instructions have pipeline reservations.  Handle
        ColdFire V4 core.
        (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
        Handle ColdFire V4 core.
        (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
        New static functions.
        (m68k_sched_address_bypass_p): New bypass predicate.
        (sched_get_indexed_address_scale): New static function.
        (m68k_sched_indexed_address_bypass_p): New bypass predicate.

        * cf.md: Update comments.
        (define_attr type2): Remove.  Use 'type' attribute instead.
        Update all uses.
        (cf_ib): Rename to cfv123_ib.  Update all uses.
        (cf_oep): Rename to cfv123_oep.  Update all uses.
        (cf_chr): Rename to cfv123_chr.  Update all uses.
        (cf_mem): Rename to cfv123_mem.  Update all uses.
        (cf_mac): Move to more appropriate place.
        (cfv123_guess): New automaton and cpu_unit.
        (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
        Update uses of 'size' attribute.  Handle before reload scheduling.
        (cfv123_guess): New dummy reservation for unhandled instructions.
        (cfv4_*): Pipeline description of ColdFire V4 core.
        (ignore): New reservation to handle 'ignore' type.

2008-05-07  Ian Lance Taylor  <iant@google.com>

        PR middle-end/36013
        * gimplify.c (find_single_pointer_decl_1): Don't look through
        indirections.
        (find_single_pointer_decl): Adjust comments.

2008-05-07  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/36137
        * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
        STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.

        PR middle-end/36106
        * omp-low.c (expand_omp_atomic_pipeline): Load value using the
        integral type rather than floating point, then VIEW_CONVERT_EXPR
        to the floating point type.

2008-05-07  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
        TFmode op0 to register.

2008-05-07  Alan Modra  <amodra@bigpond.net.au>

        * c-decl.c (grokdeclarator): Comment typo.

2008-05-06  Aldy Hernandez  <aldyh@redhat.com>

        * tree-flow.h: Remove prototype for computed_goto_p.
        * tree-cfg.c (computed_goto_p): Make static.

2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/35657
        * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
        (contains_aligned_value_p): This.  Handle _Decimal128.
        (ix86_function_arg_boundary): Only align _Decimal128 to its
        natural boundary and handle it properly.

2008-05-06  Martin Jambor  <mjambor@suse.cz>

        * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
        (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
        (ipcp_method_set_orig_node): Removed.
        (ipcp_cval_get_cvalue_type): Removed.
        (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
        (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
        (ipcp_cval_set_cvalue_type): Removed.
        (ipcp_cval_get_cvalue): Removed.
        (ipcp_cval_set_cvalue): Removed.
        (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
        (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
        (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
        (ipcp_cval_meet): Renamed to ipa_lattice_meet
        (ipcp_cval_changed): Changed to use ipcp_lat_is_const
        (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
        (ipcp_get_ith_lattice): Changed parameters.
        (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
        (ipcp_lattice_from_jfunc): Changed parameters.
        (ipcp_redirect): Local lattice pointer instead of lattice type variable.
        (ipcp_method_cval_print): Added temporary variable info.
        (ipcp_redirect): Removed already unused local variable caller.
        (ipcp_redirect): New temporary variable orig_callee_info
        (ipcp_redirect): Removed newly unused local variable callee.
        (ipcp_redirect): Removed (a bit confusing) local variable type.
        (ipcp_insert_stage): Added local variable info.
        (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters
        renamed too
        (ipcp_formal_create): Removed.
        (ipcp_method_cval_set): Removed.
        (ipcp_propagate_stage): Renamed lattice variables.
        (ipcp_method_cval_set_cvalue_type): Removed.
        (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
        (ipcp_print_all_lattices): Changed printed strings to refer to
        lattices rather than cvals.
        (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
        (ipcp_propagate_const): Changed formal parameters.
        (build_const_val): Changed formal parameters.
        (ipcp_insert_stage): Removed useless variable cvalue
        (build_const_val): Changed formal parameters.
        (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
        (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
        (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
        (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
        (ipcp_print_func_profile_counts): Changed string from "method" to
        "function"
        (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
        (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
        (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
        (ipcp_structures_print): Renamed to ipcp_print_all_structures
        (ipcp_profile_print): Renamed to ipcp_print_profile_data
        (ipcp_lat_is_const): Changed parameters and made inline.
        (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
        (ipcp_redirect): Renamed to ipcp_need_redirect_p
        (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using
        the predicate condition directly
        (ipcp_propagate_stage): Added local variable args. Removed local
        variable callee.  (Both are mere code simplifications.)
        (ipcp_method_dont_insert_const): Renamed to
        ipcp_node_not_modifiable_p.
        (ipcp_node_not_modifiable_p): Made inline.
        (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
        (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
        (ipcp_print_all_lattices): Removed variable cvalue
        (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
        Updated comments.

2008-05-06  Olivier Hainque  <hainque@adacore.com>

        * tree-sra.c (try_instantiate_multiple_fields): Early return
        if field has POINTER_TYPE.

2008-05-06  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
        by using 'q' specifier for instruction.
        (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.

2008-05-06  Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
        Change mode of zero_extract from QImode to HImode.
        (sign bit tests peepholes): (Ditto.).

2008-05-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/mmx.md: Remove double backslashes from asm templates.
        (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
        (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
        to handle nonimmediate operands.
        (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
        (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
        to handle nonimmediate operands.
        (*mmx_<code>v2sf3_finite): New insn pattern.
        (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
        (mmx_<code>v2sf3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (mmx_<plusminus_insn><mode>3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*mmx_<plusminus_insn><mode>3): New insn pattern.
        (mmx_add<mode>3): Removed.
        (mmx_ssadd<mode>3): Ditto.
        (mmx_usadd<mode>3): Ditto.
        (mmx_sub<mode>3): Ditto.
        (mmx_sssub<mode>3): Ditto.
        (mmx_ussub<mode>3): Ditto.
        (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
        (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
        to handle nonimmediate operands.
        (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
        insn pattern.
        (mmx_smulv4hi3_highpart): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
        insn pattern.
        (mmx_umulv4hi3_highpart): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
        (mmx_<code>v4hi3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
        (mmx_<code>v8qi3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
        (mmx_<code><mode>3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.

2008-05-05  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/36118
        * passes.c (pass_init_dump_file): Fix dump header.

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

        PR middle-end/36141
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
        VCE for function decls.

2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.

2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.md (sat_plusminus): New.
        (plusminus_insn): Likewise.
        (plusminus_mnemonic): Likewise.
        (addsub): Removed.
        (comm): Add ss_plus, us_plus, ss_minus and us_minus.
        (*<addsub><mode>3_cc_overflow): Renamed to ...
        (*<plusminus_insn><mode>3_cc_overflow): This.
        (*<addsub>si3_zext_cc_overflow): Renamed to ...
        (*<plusminus_insn>si3_zext_cc_overflow): This.

        * config/i386/sse.md (<addsub><mode>3): Renamed to ...
        (<plusminus_insn><mode>3): This.
        (*<addsub><mode>3): Renamed to ...
        (*<plusminus_insn><mode>3): This.
        (<sse>_vm<addsub><mode>3): Renamed to ...
        (<sse>_vm<plusminus_insn><mode>3): This.
        (sse3_h<addsub>v4sf3): Renamed to ...
        (sse3_h<plusminus_insn>v4sf3): This.
        (sse3_h<addsub>v2df3): Renamed to ...
        (sse3_h<plusminus_insn>v2df3): This.
        (<plusminus_insn><mode>3): New.
        (*<plusminus_insn><mode>3): Likewise.
        (sse2_<plusminus_insn><mode>3): Likewise.
        (add<mode>): Removed.
        (*add<mode>3): Likewise.
        (sse2_ssadd<mode>3): Likewise.
        (sse2_usadd<mode>3): Likewise.
        (sub<mode>3): Likewise.
        (*sub<mode>3): Likewise.
        (sse2_sssub<mode>3): Likewise.
        (sse2_ussub<mode>3): Likewise.

2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>

        * gthr-single.h: Add in required interface elements as per gthr.h.
        Add stub types for __gthread_key_t, __gthread_once_t. Add defines
        for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
        Generalize UNUSED macro.
        (__gthread_once): Add.
        (__gthread_key_create): Add.
        (__gthread_key_delete): Add.
        (__gthread_getspecific): Add.
        (__gthread_setspecific): Add.

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

        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
        the same size types for the indirect reference on the rhs, then
        create a VCE.

2008-05-05  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md
        (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
        one insn template instead of template series.
        (*xordi_1_rex64): Ditto.
        (*xordi_2_rex64): Ditto.

2008-05-05  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/36119
        * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
        in case of SLP.

2008-06-04  Jan Hubicka  <jh@suse.cz>

        tree-optimization/36100
        * tree-pass.h (pass_O0_always_inline): Declare.
        * ipa-inline.c (inline_transform): Remove dead code.
        (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
        pass_O0_always_inline): New.
        * passes.c (init_optimization_passes): Add pass_O0_always_inline.

2008-05-04  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
        mnemonic in this_param move for TARGET_64BIT.

2008-05-04  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
        (*strmovsi_rex_1): Ditto.
        (*strsetsi_1): Ditto.
        (*strsetsi_rex_1): Ditto.

        (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
        adddicc expanders using SWI mode iterator.

2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/36121
        * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
        argument handling.

2008-05-04  David S. Miller  <davem@davemloft.net>

        * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
        (sparc*-*-linux*): Use linux.h in tm_file.
        (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
        compiler defaulting to 32-bit.
        (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
        no longer needed.
        * config/sparc/linux.h: Remove definitions now obtained
        properly from linux.h
        * config/sparc/linux64.h: Likewise.
        (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
        don't want this setting for 32-bit builds in a biarch compiler.
        * doc/install.texi: Add sparc-linux to list of targets
        supporting --enable-targets=all.

2008-05-03  Andrew Pinski  <pinskia@gmail.com>

        * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.

2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
        after V4SI_FTYPE_V8HI.
        (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
        case V4SI_FTYPE_V2DF.

2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>

        * doc/invoke.texi (max-flow-memory-locations): Removed.
        * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.

2008-05-03  Richard Guenther  <rguenther@suse.de>

        PR middle-end/34973
        * opts.c (set_Wstrict_aliasing): Handle the turn-off case.

2008-05-02  David S. Miller  <davem@davemloft.net>

        * config.gcc (need_64bit_hwint): Document libcpp dependency.

2008-05-02  Simon Baldwin <simonb@google.com>

        PR bootstrap/36108
        * c-common.h (warn_array_subscript_range): Removed.
        * c-common.c (warn_array_subscript_range): Ditto.
        * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
        * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.

2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_special_builtin_type): New.
        (bdesc_special_args): Likewise.
        (ix86_expand_special_args_builtin): Likewise.
        (ix86_init_mmx_sse_builtins): Updated.
        (ix86_expand_builtin): Updated.
        (ix86_expand_store_builtin): Removed.
        (ix86_expand_unop_builtin): Likewise.

        * config/i386/mm3dnow.h (__v2sf): Moved to ...
        * config/i386/mmintrin.h (__v2sf): Here.

        * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
        const __v2sf.
        (_mm_loadl_pi): Likewise.
        (_mm_storeh_pi): Replace __v2si with __v2sf.
        (_mm_storel_pi): Likewise.

        * doc/extend.texi: Correct __builtin_ia32_loadhps,
        __builtin_ia32_loadlps, __builtin_ia32_storehps,
        __builtin_ia32_storelps, __builtin_ia32_loadhpd and
        __builtin_ia32_loadlpd.

2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
        V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
        (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
        (ix86_init_mmx_sse_builtins): Updated.
        (ix86_expand_args_builtin): Likewise.
        (ix86_expand_builtin): Likewise.
        (ix86_expand_unop1_builtin): Renamed to ...
        (ix86_expand_unop_vec_merge_builtin): This.

2008-05-01  Jan Hubicka  <jh@suse.cz>

        PR bootstrap/36100
        * ipa-inline.c (inline_generate_summary): Make static.
        (inline_transform): Do not call inlining at -O0; make static.
        * passes.c (execute_todo): Add sanity check.
        (execute_one_ipa_transform_pass): Execute proper flags.

2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
        (DECL_NONADDRESSABLE_P): Likewise.
        * alias.c (record_component_aliases): Fix comment.

2008-05-01  Simon Baldwin <simonb@google.com>

        * c-common.h (warn_array_subscript_range): New function.
        * c-common.c (warn_array_subscript_range): Ditto.
        * tree-vrp.c (check_array_ref): Corrected code to agree with
        comment, ignoring only arrays of size 0 or size 1.
        * c-typeck.c (build_array_ref): Call warn_array_subscript_range.

2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_builtin_type): Replace
        DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
        (bdesc_args): Updated.
        (ix86_init_mmx_sse_builtins): Likewise.
        (ix86_expand_args_builtin): Likewise.

        * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
        with __v1di.

        * doc/extend.texi: Correct __builtin_ia32_palignr.

2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/36095
        * config/i386/i386.c (bdesc_crc32): Removed.
        (ix86_expand_crc32): Likewise.
        (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
        V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
        V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
        UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
        UINT_FTYPE_UINT_UCHAR.
        (bdesc_args): Updated. Add crc32 builtins.
        (ix86_init_mmx_sse_builtins): Updated.
        (ix86_expand_args_builtin): Updated to support subreg.

        * doc/extend.texi: Correct __builtin_ia32_crc32di.

2008-05-01  Jan Hubicka  <jh@suse.cz>

        * tree-pass.h (opt_pass): Add IPA_PASS.
        (varpool_node, cgraph_node): Forward declare.
        (ipa_opt_pass): Define.
        (pass_ipa_inline): Turn into ipa_opt_pass.
        (pass_apply_inline): Remove.
        * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
        (apply_inline): Turn into ....
        (inline_transform): ... this one.
        (inline_generate_summary): New function.
        (pass_apply_inline): Remove.
        * function.h (ipa_opt_pass): Forward declare structure; typedef;
        vector.
        (struct function): Add ipa_transforms_to_apply.
        * passes.c (register_one_dump_file): Work on IPA_PASS.
        (init_optimization_passes): Remove pass_inline_parameters and
        pass_apply_inline.
        (pass_init_dump_file, pass_fini_dump_file): Break out from ....
        (execute_one_pass) ... here; apply transforms when possible.
        (add_ipa_transform_pass, execute_ipa_summary_asses,
        execute_one_ipa_transform_pass): New.
        (execute_ipa_pass_list): Update for IPA_PASS type.

2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_builtin_type): Add
        V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
        V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
        (bdesc_args): Add SSE4a builtins.
        (ix86_init_mmx_sse_builtins): Updated.
        (ix86_expand_args_builtin): Likewise.
        (ix86_expand_builtin): Likewise.

2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_builtin_type): Add
        V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
        V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
        V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
        V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
        V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
        V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
        V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
        V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
        and DI_FTYPE_DI_DI_INT.
        (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
        (ix86_init_mmx_sse_builtins): Updated.
        (ix86_expand_args_builtin): Likewise.
        (ix86_expand_builtin): Likewise.
        (ix86_expand_binop_imm_builtin): Removed.

        * doc/extend.texi: Correct __builtin_ia32_palignr128.

2008-04-30  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/32921
        * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.

2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/arm/arm.c (arm_unwind_emit): Use
        crtl->all_throwers_are_sibcalls instead of
        cfun->all_throwers_are_sibcalls.
        (arm_output_fn_unwind): Likewise.
        * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
        instead of cfun->uses_pic_offset_table.
        (frv_expand_prologue): Likewise.
        (frv_frame_pointer_required): Likewise.
        (frv_expand_fdpic_call): Likewise.
        (frv_emit_movsi): Likewise.
        * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
        cfun->returns_pcc_struct instead of
        current_function_returns_pcc_struct.
        * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
        instead of cfun->calls_eh_return.
        (m32c_pushm_popm): Likewise.
        * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
        "extern" declaration.

2008-04-30  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/21636
        * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
        constant address.
        (evaluate_stmt): Print the likely value.
        (ccp_visit_stmt): Avoid excessive vertical spacing.

2008-04-30  Rafael Espindola  <espindola@google.com>

        * builtins.c (fold_call_expr): Return realret.
        * tree-ssa-threadedge.c
        (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
        __builtin_object_size.

2008-04-30  Seongbae Park  <seongbae.park@gmail.com>

        * gcc.c (wrapper_string): New variable.
        (insert_wrapper): New function.
        (execute): New option -wrapper.
        * doc/invoke.texi (Overall Options): New driver option -wrapper.

2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>

        * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
        config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
        config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
        from...
        * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
        * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
        config/rs6000/e500crtres64gprctr.asm,
        config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
        config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
        config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
        config/rs6000/e500crtsav64gprctr.asm,
        config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
        config/rs6000/e500crtsavg64gprctr.asm: New files.
        * config/rs6000/t-ppccomm: Add build rules for new files.
        (LIB2FUNCS_STATIC_EXTRA): Add new files.
        * config/rs6000/t-netbsd: Add build rules for new files.
        (LIB2FUNCS_STATIC_EXTRA): New variable.
        * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
        (CRTSAVRES_DEFAULT_SPEC): Likewise.
        * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.

2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_builtin_type): Add
        FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
        V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
        V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
        V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
        V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
        V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
        V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
        V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
        V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
        V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
        V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
        V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
        V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
        V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
        V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
        V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
        V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
        V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
        V1DI_FTYPE_V2SI_V2SI.
        (bdesc_2arg): Moved to ...
        (bdesc_args): Here.
        (ix86_init_mmx_sse_builtins): Updated.
        (ix86_expand_args_builtin): Updated.  Take a pointer
        to const struct builtin_description.  Handle comparison
        builtin functions.
        (ix86_expand_sse_compare): Take a new argument for swapping operands.
        (ix86_expand_builtin): Updated.

        * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
        (ssse3_pmaddubsw128): This.
        (ssse3_pmaddubswv4hi3): Renamed to ...
        (ssse3_pmaddubsw): This.

        * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
        (__builtin_ia32_packssdw128): Likewise.
        (__builtin_ia32_packuswb128): Likewise.
        (__builtin_ia32_pmaddubsw): Likewise.
        (__builtin_ia32_pmaddubsw128): Likewise.

2008-04-30  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/14847
        * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
        (recognize_bits_test): Use it.
        (recognize_single_bit_test): Likewise.

2008-04-30  Martin Jambor  <mjambor@suse.cz>

        * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
        instead of setting number of formal parameters to zero.
        (ipcp_init_stage): Do not set the number of actual parameters to zero
        either.
        (ipcp_propagate_stage): Explicitly skipping all calls to nodes
        which are called with variable number of arguments.
        (ipcp_insert_stage): Explicitely skipping all nodes which are
        called with variable number of arguments.
        (ipcp_callsite_param_print): Skipps callsites to nodes with varaible
        number of parameters.

        * ipa-prop.h (struct ipa_node_params): Added flag
        called_with_var_arguments
        (ipa_set_param_count): Added.  Changed sole setter to use it.
        (ipa_get_param_count): Added.  All readers of param_count
        converted to use it instead.
        (ipa_set_called_with_variable_arg): Added.
        (ipa_is_called_with_var_arguments): Added.
        (ipa_get_ith_param): Added.  All readers of param_decls converted
        to use it instead.
        (ipa_set_cs_argument_count): Added, sole writer to argument_count
        changed to use it.
        (ipa_get_cs_argument_count): Added, all readers of argument_count
        changed to cal it.
        (ipa_get_ith_jump_func): Added. Accessors of jump values changed
        to use it.

        * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
        (struct ipcp_lattice): Renamed cval_type to type
        (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices

        * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
        (ipcp_cval_set_cvalue): Changed type of parameter value to tree
        (ipcp_insert_stage): Changed the type of variable cvalue to tree
        (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
        (build_const_val): Changed the type of parameter cvalue to tree
        (ipcp_propagate_const): Changed the type of parameter cvalue to tree
        (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type

        * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called
        constant

        * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
        (ipa_methodlist_not_empty): Removed, the sole user now checks directly
        (ipa_add_method): Renamed to ipa_push_func_to_list
        (ipa_remove_method): Renamed to ipa_pop_func_from_list
        (ipa_callsite_param_count): Removed.
        (ipa_callsite_param_count_set): Removed.
        (ipa_callsite_param): Removed.
        (ipa_callsite_callee): Removed.
        (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
        (ipa_callsite_compute_count): Renamed to ipa_count_arguments
        (ipa_method_formal_count): Removed.
        (ipa_method_formal_count_set): Removed.
        (ipa_method_get_tree): Removed.
        (ipa_method_tree_map_create): Removed.
        (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
        (ipa_create_param_decls_array): Creates the array itself
        (ipa_create_param_decls_array): Temporary variable info instead of
        a few dereferences.
        (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
        (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
        (get_type): Removed.
        (ipa_jf_get_info_type): Removed.
        (ipa_node_create): Renamed to ipa_create_node_params
        (ipa_free): Renamed to ipa_free_all_node_params
        (ipa_nodes_create): Renamed to ipa_create_all_node_params
        (ipa_edges_create): Renamed to ipa_create_all_edge_args
        (ipa_edges_free): Renamed to ipa_free_all_edge_args
        (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
        (ipa_free_all_node_params): Deallocation to jump_functions moved to
        ipa_free_all_edge_args
        (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
        (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
        (ipa_create_methodlist_node): Removed.
        (ipa_methodlist_method): Removed.
        (ipa_methodlist_method_set): Removed.
        (ipa_methodlist_next_method): Removed.
        (ipa_methodlist_next_method_set): Removed.
        (ipa_method_is_modified): Removed.
        (ipa_method_modify_create): Removed.
        (ipa_method_modify_init): Temporary variable info instead of a few
        dereferences.
        (ipa_detect_param_modifications): Temporary variable info instead of
        a few dereferences.
        (ipa_compute_jump_functions): Temporary variable info instead of
        a few dereferences.
        (ipa_method_modify_set): Removed.
        (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
        (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather
        than craph_node as the first parameter.
        (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
        (ipa_method_modify_init): Removed.
        (ipa_compute_jump_functions): Added a temp variable instead of
        repeatadly dereferencing the cgraph_edge.aux pointer
        (ipa_callsite_param_set_type): Removed.
        (ipa_compute_jump_functions): i renamed to index and moved to
        an inner block
        (ipa_callsite_param_set_info_type_formal): Removed.
        (ipa_callsite_param_set_info_type): Removed.
        (ipa_callsite_param_map_create): Removed.
        (ipa_callsite_tree): Removed.
        (ipa_callsite_caller): Removed.
        (ipa_pop_func_from_list): return_method removed to return_func

        * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
        prefixed all values with IPA_. Changed all users.
        (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN,
        CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF
        and FORMAL_IPATYPE IPA_PASS_THROUGH.
        (union parameter_info): Renamed to jump_func_value.
        (union jump_func_value): Renamed value to constant
        (struct ipa_jump_func): Renamed info_type to value
        (struct ipa_node): Renamed to ipa_node_params
        (struct ipa_node_params): Renamed ipa_arg_num to param_count
        (struct ipa_node_params): Renamed ipa_param_tree to param_decls
        (struct ipa_node_params): Renamed ipa_mod to modified_flags
        (struct ipa_edge): Renamed to ipa_edge_args
        (struct ipa_edge_args): Renamed ipa_param_num to argument_count
        (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
        (struct ipa_methodlist): Renamed to ipa_func_list
        (struct ipa_func_list): method_p renamed to node, next_method
        renamed to next
        (ipa_methodlist_p): Removed, switched all users to struct pointer
        (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX

2008-04-30  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
        (rs6000_emit_epilogue): Use backchain to restore only when we
        have a large frame.  Make use of frame pointer to restore if we
        have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.

2008-04-29  Paolo Bonzini  <bonzini@gnu.org>

        * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
        Add mode to zero_extract.
        (sign bit tests peepholes): (Ditto.).

2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_builtins): Replace Prescott New
        Instructions in comments with SSE3.
        (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
        INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
        INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
        V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
        V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
        V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
        V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
        V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
        V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
        V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
        V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
        V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
        (bdesc_sse_args): Renamed to ...
        (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
        IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
        IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
        IX86_BUILTIN_FABSQ.
        (bdesc_1arg): Moved to ...
        (bdesc_args): Here.
        (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
        Instructions in comments with SSE3.
        (ix86_expand_sse_operands_builtin): Renamed to ...
        (ix86_expand_args_builtin): This.  Updated.
        (ix86_expand_unop1_builtin): Update comments.
        (ix86_expand_builtin): Updated.

2008-04-29  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36078
        * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
        Update virtual SSA form after cleaning up the CFG.

2008-04-29  Richard Guenther  <rguenther@suse.de>

        PR middle-end/15255
        * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.

2008-04-29  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
        (compute_may_aliases): Do not call finalize_ref_all_pointers.
        (compute_flow_insensitive_aliasing): Do not treat
        PTR_IS_REF_ALL pointers special.
        (get_smt_for): Likewise.
        (may_alias_p): Re-structure.
        (is_escape_site): A ref-all pointer conversion is not an escape site.
        * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
        PTR_IS_REF_ALL pointers special.
        * tree-ssa-structalias.h (struct alias_info): Remove
        ref_all_symbol_mem_tag field.
        (PTR_IS_REF_ALL): Remove.

2008-04-29  Richard Guenther  <rguenther@suse.de>

        PR middle-end/36077
        * fold-const.c (extract_muldiv_1): In combining division constants
        make sure to never overflow.

2008-04-29  Nick Clifton  <nickc@redhat.com>

        * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.

2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR bootstrap/35169
        * optc-gen.awk: Work around HP-UX/IA awk bug.

2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
        2008-04-25 commit.

2008-04-28  Uros Bizjak  <ubizjak@gmail.com>

        PR target/36073
        * config/i386/i386.md
        (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
        Change operand 1 predicate to nonimmediate_operand.

2008-04-28  Jakub Jelinek  <jakub@redhat.com>

        PR debug/36060
        * dwarf2out.c (struct die_struct): Mark as chain_circular through
        die_sub field.
        * gengtype.c (walk_type, write_func_for_structure): Handle
        chain_circular.
        * doc/gty.texi: Document chain_circular.

2008-04-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36066
        * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
        SCEV and loop.

2008-04-28  Uros Bizjak  <ubizjak@gmail.com>

        PR target/36064
        * config/i386/i386.md
        (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
        Use match_scratch instead of match_operand for operands 3 and 4.

2008-04-27  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/18754
        PR tree-optimization/34223
        * tree-pass.h (pass_complete_unrolli): Declare.
        * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
        loop size before and after unconditionally of UL_NO_GROWTH in effect.
        Rewrite loop into loop closed SSA form if it is not already.
        (tree_unroll_loops_completely): Re-structure to iterate over
        innermost loops with intermediate CFG cleanups.
        Unroll outermost loops only if requested or the code does not grow
        doing so.
        * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
        loops are available.
        (tree_vectorize): Instead do so here.
        (tree_complete_unroll): Also unroll outermost loops.
        (tree_complete_unroll_inner): New function.
        (gate_tree_complete_unroll_inner): Likewise.
        (pass_complete_unrolli): New pass.
        * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
        uses outside of the loop.
        (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
        form if it is available.
        * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
        * passes.c (init_optimization_passes): Schedule complete inner
        loop unrolling pass before the first CCP pass after final inlining.

2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>

        * targhooks.h (default_emutls_var_fields,
        default_emutls_var_init): Declare.
        * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
        * target.h (struct gcc_target): Add struct emutls member.
        * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
        TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
        TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
        TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
        TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
        TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
        (TARGET_INITIALIZER): Add TARGET_EMUTLS.
        * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
        BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
        * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
        emit debug information.
        * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
        * varasm.c: Include targhooks.h.
        (emutls_object_section, emutls_tmpl_section): New.
        (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
        (EMUTLS_SEPARATOR): New.
        (prefix_name): New.
        (get_emutls_object_name): New.
        (default_emutls_var_fields): New, broken out of ...
        (get_emutls_object_type): ... here.  Adjust to use target hooks.
        (get_emutls_init_templ_addr): Adjust to use target hooks.
        (emutls_decl): Adjust to use target hooks.
        (emutls_finish): Likewise.
        (default_emutls_var_init): New, broken out of ...
        (assemble_variable): ... here.  Adjust to use target hooks.
        * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
        SECCAT_EMUTLS_TMPL.
        * c-common.c (handle_section_attribute): Prevent overriding
        sections for emulated tls with special sections.
        * config/i386/i386.c (x86_64_elf_select_section): Add
        SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
        (x86_64_elf_unique_section): Likewise.
        * config/vxworks.c: Include tree.h.
        (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
        (vxworks_override_options): Set TLS scheme.
        * doc/tm.texi (Emulated TLS): New node.

2008-04-26  Simon Baldwin <simonb@google.com>

        PR c/35652
        * builtins.c (c_strlen): Suppressed multiple warnings that can occur
        with propagated string constants.

2008-04-26  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
        constraint for operand 2 when operand 0 is memory operand.
        (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
        operand 0 is memory operand.
        (fix_trunc<mode>_i387_with_temp): Ditto.
        (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
        operand 2 when operand 1 is memory operand.
        (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
        (*floatsi<mode>2_vector_sse_with_temp): Ditto.
        (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
        (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
        (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
        operands 2,3 and 4 when operand 1 is memory operand.
        (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
        is memory operand.
        (fistdi2_floor_with_temp): Ditto.
        (fist<mode>2_floor_with_temp): Ditto.
        (fistdi2_ceil_with_temp): Ditto.
        (fist<mode>2_ceil_with_temp): Ditto.
        (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.

2008-04-26  David Daney  <ddaney@avtrex.com>

        * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
        unspec_volitile.
        (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
        UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
        UNSPEC_UPDATE_GOT_VERSION): Renumber.
        (sync_compare_and_swap<mode>): New expand for QI and HI modes.
        (compare_and_swap_12): New insn.
        * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
        * config/mips/mips.c (mips_force_binary): New function.
        (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
        (mips_expand_compare_and_swap_12): New function.
        * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.

2008-04-25  Jan Hubicka  <jh@suse.cz>

        PR testsuite/35843
        * cfgexpand.c (pass_expand): Turn into RTL pass.
        * passes.c (execute_one_pass): Do pass typechecking after execution.
        * tree-pass.h (pass_expand): Turn into RTL pass.

        * function.h (struct rtl_data): Move here fields
        accesses_prior_frames, calls_eh_return, saves_all_registers,
        has_nonlocal_goto, has_asm_statement, is_thunk,
        all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
        uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
        arg_pointer_save_area_init from struct function; turn into bool.
        (struct function): Move
        calls_eh_return, saves_all_registers, has_nonlocal_goto,
        has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
        profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
        tail_call_emit, arg_pointer_save_area_init
        into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
        (current_function_returns_struct, current_function_returns_pcc_struct,
        current_function_calls_setjmp, current_function_calls_alloca,
        current_function_accesses_prior_frames,
        current_function_calls_eh_return, current_function_is_thunk,
        current_function_stdarg, current_function_profile,
        current_function_limit_stack, current_function_uses_pic_offset_table,
        current_function_uses_const_pool, current_function_has_nonlocal_label,
        current_function_saves_all_registers,
        current_function_has_nonlocal_goto,
        current_function_has_asm_statement): Remove accesor macros.
        * ra-conflict.c (global_conflicts): Update.
        * tree-tailcall.c (suitable_for_tail_opt_p): Update.
        (suitable_for_tail_call_opt_p): Update.
        * builtins.c (expand_builtin_return_addr): Update.
        (expand_builtin_setjmp_setup): Update.
        (expand_builtin_nonlocal_goto): Update.
        * final.c (final_start_function): Update.
        (profile_function): Update.
        (leaf_function_p): Update.
        (only_leaf_regs_used): Update.
        * df-scan.c (df_get_exit_block_use_set): Update.
        * dojump.c (clear_pending_stack_adjust): Update.
        * tree-stdarg.c (gate_optimize_stdarg): Update.
        * gimple-low.c (lower_function_body): Update.
        * global.c (compute_regsets): Update.
        (global_alloc): Update.
        * dwarf2out.c (dwarf2out_begin_prologue): Update.
        * expr.c (expand_assignment): Update.
        * dse.c (dse_step0): Update.
        (dse_step1): Update.
        * c-decl.c (store_parm_decls): Update.
        * local-alloc.c (combine_regs): Update.
        (find_free_reg): Update.
        * function.c (assign_parms_augmented_arg_list): Update.
        (assign_parm_find_data_types): Update.
        (assign_parms): Update.
        (allocate_struct_function): Update.
        (expand_function_start): Update.
        (expand_function_end): Update.
        (get_arg_pointer_save_area): Update.
        (thread_prologue_and_epilogue_insns): Update.
        (rest_of_match_asm_constraints): Update.
        * stor-layout.c (variable_size): Update.
        * gcse.c (gcse_main): Update.
        (bypass_jumps): Update.
        * gimplify.c (gimplify_function_tree): Update.
        * calls.c (emit_call_1): Update.
        (expand_call): Update.
        * bt-load.c (compute_defs_uses_and_gen): Update.
        * except.c (sjlj_assign_call_site_values): Update.
        (sjlj_emit_function_enter): Update.
        (can_throw_external): Update.
        (set_nothrow_function_flags): Update.
        (expand_builtin_unwind_init): Update.
        (expand_eh_return): Update.
        (convert_to_eh_region_ranges): Update.
        (output_function_exception_table): Update.
        * emit-rtl.c (gen_tmp_stack_mem): Update.
        * cfgexpand.c (expand_used_vars): Update.
        (tree_expand_cfg): Update.
        * cfgcleanup.c (rest_of_handle_jump): Update.
        * explow.c (allocate_dynamic_stack_space): Update.
        * varasm.c (assemble_start_function): Update.
        (force_const_mem): Update.
        (mark_constant_pool): Update.
        * tree-optimize.c (tree_rest_of_compilation): Update.
        * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
        * tree-cfg.c (notice_special_calls): Update.
        (is_ctrl_altering_stmt): Update.
        (tree_can_make_abnormal_goto): Update.
        (tree_purge_dead_abnormal_call_edges): Update.
        * config/alpha/predicates.md: Update.
        * config/alpha/alpha.c (alpha_sa_mask): Update.
        (alpha_sa_size): Update.
        (alpha_does_function_need_gp): Update.
        (alpha_expand_prologue): Update.
        (alpha_start_function): Update.
        (alpha_output_function_end_prologue): Update.
        (alpha_expand_epilogue): Update.
        * config/frv/frv.c (frv_stack_info): Update.
        (frv_expand_epilogue): Update.
        * config/s390/s390.c (s390_regs_ever_clobbered): Update.
        (s390_register_info): Update.
        (s390_frame_info): Update.
        (s390_init_frame_layout): Update.
        (s390_can_eliminate): Update.
        (save_gprs): Update.
        * config/spu/spu.c (spu_split_immediate): Update.
        (need_to_save_reg): Update.
        (spu_expand_prologue): Update.
        (spu_expand_epilogue): Update.
        * config/sparc/sparc.md: Update.
        * config/sparc/sparc.c (eligible_for_return_delay): Update.
        (sparc_tls_got): Update.
        (legitimize_pic_address): Update.
        (sparc_emit_call_insn): Update.
        (sparc_expand_prologue): Update.
        (output_return): Update.
        (print_operand): Update.
        (sparc_function_ok_for_sibcall): Update.
        * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
        * config/m32r/m32r.md: Update.
        * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
        (m32r_compute_frame_size): Update.
        (m32r_expand_prologue): Update.
        (m32r_expand_epilogue): Update.
        (m32r_legitimize_pic_address): Update.
        * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
        * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
        * config/i386/i386.c (ix86_frame_pointer_required): Update.
        (gen_push): Update.
        (ix86_save_reg): Update.
        (ix86_compute_frame_layout): Update.
        (ix86_expand_prologue): Update.
        (ix86_expand_epilogue): Update.
        * config/sh/sh.c (output_stack_adjust): Update.
        (calc_live_regs): Update.
        (sh5_schedule_saves): Update.
        (sh_expand_prologue): Update.
        (sh_expand_epilogue): Update.
        (sh_setup_incoming_varargs): Update.
        (sh_allocate_initial_value): Update.
        (sh_get_pr_initial_val): Update.
        * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
        * config/sh/sh.md (label:): Update.
        * config/avr/avr.c (out_movhi_mr_r): Update.
        * config/crx/crx.h (enum): Update.
        * config/xtensa/xtensa.h (along): Update.
        * config/stormy16/stormy16.c Update.
        (xstormy16_compute_stack_layout): Update.
        * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
        (fr30_expand_prologue): Update.
        * config/cris/cris.c (cris_conditional_register_usage): Update.
        (cris_reg_saved_in_regsave_area): Update.
        (cris_initial_frame_pointer_offset): Update.
        (cris_simple_epilogue): Update.
        (cris_expand_prologue): Update.
        (cris_expand_epilogue): Update.
        (cris_expand_pic_call_address): Update.
        (cris_asm_output_symbol_ref): Update.
        (cris_asm_output_label_ref): Update.
        * config/cris/cris.md Update.
        * config/iq2000/iq2000.c (compute_frame_size): Update.
        (iq2000_expand_epilogue): Update.
        * config/mt/mt.h (save_direction): Update.
        * config/mn10300/mn10300.c (mn10300_function_value): Update.
        * config/ia64/ia64.c (ia64_compute_frame_size): Update.
        (ia64_secondary_reload_class): Update.
        * config/m68k/m68k.c (m68k_save_reg): Update.
        (m68k_expand_prologue): Update.
        (m68k_expand_epilogue): Update.
        (legitimize_pic_address): Update.
        * config/rs6000/rs6000.c (rs6000_got_register): Update.
        (first_reg_to_save): Update.
        (first_altivec_reg_to_save): Update.
        (compute_vrsave_mask): Update.
        (compute_save_world_info): Update.
        (rs6000_stack_info): Update.
        (spe_func_has_64bit_regs_p): Update.
        (rs6000_ra_ever_killed): Update.
        (rs6000_emit_eh_reg_restore): Update.
        (rs6000_emit_allocate_stack): Update.
        (rs6000_emit_prologue): Update.
        (rs6000_emit_epilogue): Update.
        (rs6000_output_function_epilogue): Update.
        (output_profile_hook): Update.
        (rs6000_elf_declare_function_name): Update.
        * config/rs6000/rs6000.h (rs6000_args): Update.
        * config/rs6000/rs6000.md: Update.
        * config/mcore/mcore.c (mcore_expand_prolog): Update.
        * config/arc/arc.c (arc_output_function_epilogue): Update.
        * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
        * config/darwin.c (machopic_function_base_name): Update.
        * config/score/score3.c (score3_compute_frame_size): Update.
        (rpush): Update.
        (rpop): Update.
        (score3_epilogue): Update.
        * config/score/score7.c (score7_compute_frame_size): Update.
        (score7_prologue): Update.
        (score7_epilogue): Update.
        * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
        * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
        * config/arm/arm.c (use_return_insn): Update.
        (require_pic_register): Update.
        (arm_load_pic_register): Update.
        (arm_compute_save_reg0_reg12_mask): Update.
        (arm_compute_save_reg_mask): Update.
        (thumb1_compute_save_reg_mask): Update.
        (output_return_instruction): Update.
        (arm_output_function_prologue): Update.
        (arm_output_epilogue): Update.
        (arm_get_frame_offsets): Update.
        (arm_expand_prologue): Update.
        (thumb_pushpop): Update.
        (thumb_exit): Update.
        (thumb1_expand_prologue): Update.
        (thumb1_expand_epilogue): Update.
        (arm_unwind_emit): Update.
        (arm_output_fn_unwind): Update.
        * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
        * config/arm/arm.md: Update.
        * config/pa/pa.md: Update.
        * config/pa/pa.c (legitimize_pic_address): Update.
        (compute_frame_size): Update.
        (hppa_expand_prologue): Update.
        (hppa_expand_epilogue): Update.
        (borx_reg_operand): Update.
        * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
        (HARD_REGNO_RENAME_OK): Update.
        * config/mips/mips.c (mips_global_pointer): Update.
        (mips_save_reg_p): Update.
        (mips_compute_frame_info): Update.
        (mips_frame_pointer_required): Update.
        (mips_expand_prologue): Update.
        (mips_expand_epilogue): Update.
        (mips_can_use_return_insn): Update.
        (mips_reorg_process_insns): Update.
        * config/v850/v850.c (compute_register_save_size): Update.
        * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
        * config/mmix/mmix.c (along): Update.
        (mmix_expand_epilogue): Update.
        * config/bfin/bfin.c (legitimize_pic_address): Update.
        (must_save_p): Update.
        (stack_frame_needed_p): Update.
        (add_to_reg): Update.
        (bfin_expand_prologue): Update.
        * stmt.c (expand_asm_operands): Update.
        * reload1.c (reload): Update.
        (init_elim_table): Update.

2008-04-25  Bob Wilson  <bob.wilson@acm.org>

        * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.

2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
        (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
        (mov<mode>): Removed.
        (*movv4sf_internal): Likewise.
        (*movv2df_internal): Likewise.

2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>

        * config.gcc (crx-*-elf): Remove deprecation.

2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/cygming-crtend.c (register_frame_ctor): Register
        __gcc_deregister_frame with atexit.
        (deregister_frame_dtor): Remove.

2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
            Nathan Sidwell  <nathan@codesourcery.com>

        * config/rs6000/rs6000.opt (mspe): Remove Var property.
        (misel): Likewise.
        * config/rs6000/rs6000.h (rs6000_spe): Declare.
        (rs6000_isel): Likewise.
        * config/rs6000/rs6000.c (rs6000_spe): New variable.
        (rs6000_isel): New variable.
        (rs6000_handle_option): Handle OPT_mspe and OPT_misel.

2008-04-24  Jakub Jelinek  <jakub@redhat.com>

        PR c++/35758
        * c-common.c (handle_vector_size_attribute): Call
        lang_hooks.types.reconstruct_complex_type instead of
        reconstruct_complex_type.
        * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
        * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
        * langhooks.h (struct lang_hooks_for_types): Add
        reconstruct_complex_type hook.
        * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
        (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.

2008-04-24  Richard Guenther  <rguenther@suse.de>

        * c-common.h (check_builtin_function_arguments): Declare.
        * c-common.c (validate_nargs): New function.
        (check_builtin_function_arguments): Likewise.
        * c-typeck.c (build_function_call): Call
        check_builtin_function_arguments.
        * builtins.c (fold_builtin_classify): Remove error reporting code.
        (fold_builtin_unordered_cmp): Likewise.
        (fold_builtin_1): Likewise.
        (fold_builtin_n): Likewise.

2008-04-24  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/36008
        * fold-const.c (try_move_mult_to_index): If s == NULL, divide
        the original op1, rather than delta by step.

2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
            Sebastian Pop  <sebastian.pop@amd.com>

        * tree-parloops.c (take_address_of, eliminate_local_variables_1,
        eliminate_local_variables_stmt, eliminate_local_variables,
        separate_decls_in_loop_name, separate_decls_in_loop_stmt,
        separate_decls_in_loop, gen_parallel_loop): Make them work on a region
        of code delimited by two edges in the CFG.
        (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
        (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
        (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
        the case of parallelisation of reductions.
        (expr_invariant_in_region_p): New.

        * tree-flow.h (gather_blocks_in_sese_region): Declared.
        * tree-cfg.c (gather_blocks_in_sese_region): Extern.

2008-04-24  Ira Rosen  <irar@il.ibm.com>
            Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36034
        * tree-vect-analyze.c (vect_analyze_group_access): SLP is
        incapable of dealing with loads with gaps.

2008-04-24  Rafael Espindola  <espindola@google.com>

        * tree-flow.h (vrp_evaluate_conditional): Change signature.
        * tree-ssa-propagate.c (fold_predicate_in): Update call to
        vrp_evaluate_conditional.
        * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
        (vrp_evaluate_conditional): Split the cond argument.
        (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
        (simplify_stmt_for_jump_threading): Update call to
        vrp_evaluate_conditional.

2008-04-24  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/35982
        * tree-vect-analyze.c (vect_check_interleaving): Check that the
        interleaved data-refs are of the same type.

2008-04-24  Danny Smith  <dannysmith@users.net>

        * c-format.c (check_format_info_main): Use strncmp rather than a
        magic prefix to handle multichar length specs.
        * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
        Don't prefix "I64" and "I32" with '\0'.

2008-04-24  Jakub Jelinek  <jakub@redhat.com>

        PR target/36015
        * config/i386/i386.c (init_cumulative_args): Don't pass anything
        in registers for -m32 only if stdarg_p (fntype).

2008-04-24  Uros Bizjak  <ubizjak@gmail.com>

        PR rtl-optimization/36006
        * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
        temp to op0 in order to avoid invalid rtx sharing.

2008-04-23  Paolo Bonzini  <bonzini@gnu.org>

        * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
        check TREE_INVARIANT.
        * tree-gimple.c (is_gimple_address): New.
        (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
        * tree-gimple.h (is_gimple_address): New.
        * tree.h (decl_address_invariant_p): New.
        * tree.c (make_node_stat): Don't set TREE_INVARIANT.
        (build_string): Likewise.
        (decl_address_invariant_p): New, from is_gimple_invariant_address.
        (tree_invariant_p_1): Likewise.
        (save_expr): Use it.
        (tree_invariant_p): New.
        (skip_simple_arithmetic): Use it.
        (stabilize_reference_1): Use it.
        (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
        simplify.
        (build1_stat): Drop code to compute TREE_INVARIANT.
        (build2_stat): Drop code to compute TREE_INVARIANT.
        (build3_stat): Drop code to compute TREE_INVARIANT.
        (build4_stat): Drop code to compute TREE_INVARIANT.
        (build5_stat): Drop code to compute TREE_INVARIANT.
        (build7_stat): Drop code to compute TREE_INVARIANT.
        (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
        * tree.h (struct tree_base): Remove invariant_flag.
        (TREE_INVARIANT): Remove.
        * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
        (fold_builtin_expect): Check TREE_CONSTANT.
        * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
        * c-tree.h (c_expr_to_decl): Drop third parameter.
        * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
        (build_c_cast): Don't set TREE_INVARIANT.
        (pop_init_level): Don't set TREE_INVARIANT.
        (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
        * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
        TREE_CONSTANT.
        (gimplify_init_constructor): Don't set TREE_INVARIANT.
        (gimplify_addr_expr): Adjust comment.
        * tree-mudflap.c (mf_build_string):
        * print-tree.c (print_node): Don't print TREE_INVARIANT.
        * tree-nested.c (convert_nonlocal_reference): Adjust comment.
        * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
        * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
        * langhooks.c (lhd_expr_to_decl): Drop third parameter.
        * langhooks.h (struct lang_hooks): Drop third parameter from
        expr_to_decl.

2008-04-23  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/27799
        PR tree-optimization/32921
        PR tree-optimization/32624
        * tree-ssa-structalias.c (merge_smts_into): Only merge the
        SMTs aliases and the tag itself into the solution.
        * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
        merge the points-to solution back into the SMT aliases.
        (may_alias_p): Use alias_set_subset_of instead of
        aliases_conflict_p.  A pointer which points to
        memory with alias set zero may access any variable.

2008-04-23  Richard Guenther  <rguenther@suse.de>

        * alias.c (alias_set_subset_of): Correctly handle asking
        if zero is a subset of an alias set with zero child.
        * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
        (compute_flow_insensitive_aliasing): Correctly walk all
        pointers.  Do not unnecessarily union sets.

2008-04-23  Richard Guenther  <rguenther@suse.de>

        PR middle-end/36021
        * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.

2008-04-22  Tomas Bily  <tbily@suse.cz>

        * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
        unreachable case.
        * tree-vrp.c (extract_range_from_unary_expr): Removed unused
        NON_LVALUE_EXPR.
        * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
        * tree-ssa-structalias.c (get_constraint_for): Likewise.
        * tree-inline.c (estimate_num_insns_1): Likewise.
        * varasm.c (const_hash_1, compare_constant, copy_constant)
        (compute_reloc_for_constant, output_addressed_constants): Likewise.
        * emit-rtl.c (component_ref_for_mem_expr)
        (set_mem_attributes_minus_bitpos): Likewise.
        * expr.c (highest_pow2_factor, expand_expr_real_1, )
        (is_aligning_offset): Likewise.
        * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
        * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
        * dojump.c (do_jump): Likewise.
        * builtins.c (get_pointer_alignment, get_memory_rtx)
        (integer_valued_real_p, fold_builtin_next_arg): Likewise.
        * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.

2008-04-23  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/36017
        * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
        expanding the library call.

2008-04-22  Ian Lance Taylor  <iant@google.com>

        * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
        than size_in_bytes.

2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>

        * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
        of LR/CTR moves for Power6.

2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>

        PR middle-end/36003
        * passes.c (init_optimization_passes): Remove
        pass_fast_rtl_byte_dce.

2008-04-22  Uros Bizjak  <ubizjak@gmail.com>

        PR target/29096
        * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
        builtin functions to generate faster code.
        (_mm_cvtpu16_ps): Ditto.
        (_mm_cvtpi32x2_ps): Ditto.

2008-04-22  Nick Clifton  <nickc@redhat.com>

        * common.opt (ftree-loop-distribution): Add Optimization
        attribute.

        * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
        (frv_expand_builtin_va_start): Likewise.

        * config/arm/arm.c (thumb_find_work_register): Fix location of
        argument register count.

2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>

        Support scheduling for ColdFire V1 and V3 microarchitecture.
        Improve scheduling of multiplication instructions.

        * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
        (mac): New instruction attribute.
        * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
        (m68k_sched_mac): New variable.
        (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
        Handle cfv1 and cfv3.
        (max_insn_size): New static variable.
        (struct _sched_ib): New type.
        (sched_ib): New static variable.
        (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
        to fields of 'struct _sched_ib sched_ib'.  Update all uses.
        (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
        Update.
        (m68k_sched_md_init_global, m68k_sched_md_finish_global,
        m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
        new variables.  Update.
        (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
        Add modeling of cfv3 instruction buffer.  Update.
        * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
        * config/m68k/m68k.h (TUNE_CFV3): New macro.
        * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
        (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
        a particular reservation applies to.
        (type2): Reorganize attribute values.  Rename alu to alu_reg,
        alu_l to alu, move_l to omove.  Join move to alu.  Split mul
        to mul_l and mul_w.
        (cf_ib_*): Simplify description of instruction buffer.
        (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
        (cf_mem): Split into cf_mem1 and cf_mem2.
        (cf_v2_move_??): Rename to cfv12_alu_??.
        (cf_v2_move_l_??): Rename to cfv12_omove_??.
        (cf_v2_mul_??): Remove reservations.
        (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
        cfv12_emac_??, cfv12_emac_w_i0): New reservations.
        (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
        appropriate place.
        (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
        cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
        cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
        cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
        cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
        cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
        (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
        expansions of the above reservations for instructions of sizes
        1, 2 and 3 words.

2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.

2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>

        * coverage.c: Include tree-pass.h.
        (coverage_counter_alloc): Print da_file_name to the dump file.

2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>

        * sbitmap.c (sbitmap_range_empty_p): New function.
        * sbitmap.h (sbitmap_range_empty_p): New function.
        * bitmap.h: Now includes obstack.h.

2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
            Kenneth Zadeck  <zadeck@naturalbridge.com>

        * dbgcnt.def (ra_byte_scan): Added.
        * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
        when the last hit happens for a counter.
        * timevar.def (TV_DF_BYTE_LR): New variable.
        * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
        * passes.c (pass_fast_rtl_byte_dce): New pass.
        * fwprop.c (update_df): Added mode to call df_ref_create.
        Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
        DF_REF_EXTRACT_OFFSET.
        * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN,
        DF_BYTE_LR_OUT, df_byte_lr): New macro.
        (df_mm): New enum.
        (df_ref_extract): Added mode field.
        (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
        DF_REF_EXTRACT_OFFSET.
        (DF_REF_EXTRACT_MODE): New macro.
        (df_byte_lr_bb_info): New structure.
        (df_print_byte_regset, df_compute_accessed_bytes,
        df_byte_lr_add_problem, df_byte_lr_get_regno_start,
        df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
        df_byte_lr_simulate_uses,
        df_byte_lr_simulate_artificial_refs_at_top,
        df_byte_lr_simulate_artificial_refs_at_end,
        df_compute_accessed_bytes): New function.
        (df_ref_create): Add parameter.
        (df_byte_lr_get_bb_info): New inline function.
        * df-scan.c (df_ref_record, df_uses_record,
        df_ref_create_structure): Added mode parameter.
        (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1,
        df_defs_record, df_uses_record, df_get_conditional_uses,
        df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
        df_entry_block_defs_collect, df_exit_block_uses_collect):
        Added mode parameter to calls to df_ref_record, df_uses_record,
        df_ref_create_structure.
        (df_ref_equal_p, df_ref_compare): Added test for modes.
        (df_ref_create_structure): Added code to set mode.  Renamed
        DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
        DF_REF_EXTRACT_OFFSET.
        * df-core.c (df_print_byte_regset): New function.
        * df-byte-scan.c: New file.
        * df-problems.c (df_rd_transfer_function): Removed unnecessary
        calls to BITMAP_FREE.
        (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
        (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
        df_byte_lr_set_bb_info, df_byte_lr_free_bb_info,
        df_byte_lr_check_regs, df_byte_lr_expand_bitmap,
        df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
        df_byte_lr_local_compute, df_byte_lr_init,
        df_byte_lr_confluence_0, df_byte_lr_confluence_n,
        df_byte_lr_transfer_function, df_byte_lr_free,
        df_byte_lr_top_dump, df_byte_lr_bottom_dump,
        df_byte_lr_add_problem, df_byte_lr_simulate_defs,
        df_byte_lr_simulate_uses,
        df_byte_lr_simulate_artificial_refs_at_top,
        df_byte_lr_simulate_artificial_refs_at_end): New function.
        * dce.c (byte_dce_process_block): New function.
        (dce_process_block): au is now passed in rather than computed
        locally.  Changed loops that look at artificial defs to not look
        for conditional or partial ones, because there never are any.
        (fast_dce): Now is able to drive byte_dce_process_block or
        dce_process_block depending on the kind of dce being done.
        (rest_of_handle_fast_dce): Add parameter to fast_dce.
        (rest_of_handle_fast_byte_dce): New function.
        (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
        * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.

2008-04-21  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/35019
        * gcc.h: Added fortran options that take arguments to
        DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
        macros.

2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
        scalarization if on the LHS and not a full access.

2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.

2008-04-18  Rafael Espindola  <espindola@google.com>

        * tree-vrp.c (find_case_label_index): Fix the binary search.
        (find_case_label_range): New.
        (vrp_visit_switch_stmt): Use find_case_label_range.
        (simplify_switch_using_ranges): Use find_case_label_range.

2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>

        * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
        using the is_gimple_lvalue predicate instead of is_gimple_min_lval.

2008-04-18  Tom Tromey  <tromey@redhat.com>

        PR libcpp/15500:
        * doc/cpp.texi (Implementation-defined behavior): Mention
        -finput-charset.

2008-04-18  Ian Lance Taylor  <iant@google.com>

        * fold-const.c (pointer_may_wrap_p): New static function.
        (fold_comparison): Add another test for pointer overflow.  Use
        pointer_may_wrap_p to disable some false positives.

2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>

        * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
        (fname_as_string): Match updated cpp_interpret_string prototype.
        (fix_string_type): Support char16_t* and char32_t*.
        (c_common_nodes_and_builtins): Add char16_t and char32_t (and
        derivative) nodes.  Register as builtin if C++0x.
        (c_parse_error): Support CPP_CHAR{16,32}.
        * c-common.h (RID_CHAR16, RID_CHAR32): New elements.
        (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
        CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
        CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
        CTI_CHAR32_ARRAY_TYPE>: New elements.
        (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
        char32_type_node, signed_char32_type_node, char16_array_type_node,
        char32_array_type_node): New defines.
        * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
        (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
        (lex_string): Support CPP_STRING{16,32}, match updated
        cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
        (lex_charconst): Support CPP_CHAR{16,32}.
        * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
        and CPP_STRING{16,32}.

2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

        PR bootstrap/35457
        * aclocal.m4: Regenerate.
        * configure: Regenerate.

2008-04-18  Jan Hubicka  <jh@suse.cz>

        * except.c (dw2_size_of_call_site_table,
        sjlj_size_of_call_site_table): Use vector API for call_site_record.

        * cgraphbuild.c (build_cgraph_edges): Update.
        * tree-pass.h: Update comment.
        * final.c (leaf_function_p): Update.
        (leaf_renumber_regs): Update.
        (rest_of_clean_state): Update.
        * omp-low.c (expand_omp_parallel): Update.
        * ipa-reference.c (analyze_function): Update.
        * reorg.c (find_end_label): Update.
        (optimize_skip): Update.
        (fill_simple_delay_slots): Update.
        (fill_simple_delay_slots): Update.
        (make_return_insns): Update.
        (dbr_schedule): Update.
        * gimple-low.c (record_vars_into): Update.
        * cfgbuild.c (make_edges): Update.
        * function.c (assign_stack_local): Update.
        (assign_parm_adjust_stack_rtl): Update.
        (locate_and_pad_parm): Update.
        (allocate_struct_function): Do not initialize stack_alignment_needed
        and preferred_stack_boundary here.
        (stack_protect_prologue): Update.
        (stack_protect_epilogue): Update.
        (expand_function_start): Initialize stack_alignment_needed,
        preferred_stack_boundary and max_jumptable_ents.
        (expand_function_end): Update.
        (free_after_compilation): Do not NULLify epilogue_delay_list.
        * function.h (struct rtl_data): Add stack_protect_guard,
        stack_alignment_needed,
        preferred_stack_boundary, epilogue_delay_list.
        (struct function): Remove value_histograms, stack_alignment_needed,
        preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
        last_label_uid,
        unexpanded_var_list, stack_protect_guard.
        (current_function_epilogue_delay_list): Remove.
        * ipa-type-escape.c (analyze_function): Update.
        * gimplify.c (pop_gimplify_context): Update comment.
        * calls.c (expand_call): Update.
        (emit_library_call_value_1): Update.
        * except.c (set_nothrow_function_flags): Update.
        * cfgexpand.c (get_decl_align_unit): Update.
        (create_stack_guard): Update.
        (estimated_stack_frame_size): Update.
        (expand_used_vars): Update.
        (tree_expand_cfg): Free histogram earliers, init expansion variables.
        * explow.c (allocate_dynamic_stack_space): Update.
        * tree-ssa-live.c (remove_unused_locals): Update.
        * varasm.c (mark_constant_pool): Update.
        * tree-inline.c (remap_decls): Update.
        (initialize_cfun): Update.
        (declare_return_variable): Update.
        (inline_forbidden_p): Update.
        (expand_call_inline): Update.
        (declare_inline_vars): Update.
        (tree_function_versioning): Update.
        * tree-flow.h (value_histograms): New.
        (VALUE_HISTOGRAMS): New macro.
        * basic-block.h (control_flow_graph): Add max_jumptable_ents,
        last_label_uid.
        * tree-cfg.c (set_bb_for_stmt): Update.
        (replace_by_duplicate_decl): Update.
        (move_block_to_fn): Update.
        (new_label_mapper): Update.
        (dump_function_to_file): Update.
        * ipa-struct-reorg.c (build_data_structure): Update.
        * cfgrtl.c (print_rtl_with_bb): Update.
        * reload1.c (reload): Update.
        (reload): Update.
        * config/i386/i386.c (setup_incoming_varargs_64,
        ix86_compute_frame_layout): Update.
        * config/arc/arc.c (arc_output_function_epilogue): Update.

2008-04-18  Marius Strobl <marius@FreeBSD.org>

        * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
        for FreeBSD as well.
        * gthr-posix95.h: Likewise.

2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>

        PR rtl-optimization/35838
        * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
        out the byte offset of the first subreg.

2008-04-17  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
        to split_ti instead of three separate calls with single member arrays.
        (subti3 splitter): Ditto.
        (adddi3 splitter): Ditto with split_di.
        (subdi3 splitter): Ditto.
        (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
        two separate calls with single member arrays.  Swap match_dup
        operands 1 and 2 to better fit into the array.
        (negdi2 splitter): Ditto with split_di.
        (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
        two separate calls with single member arrays.  Swap match_dup operands
        6 and 7 to better fit into the array.

2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (sse_builtin_type): New.
        (bdesc_sse_args): Likewise.
        (bdesc_sse_3arg): Removed.
        (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
        (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
        IX86_BUILTIN_ROUNDPS.
        (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
        bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
        IX86_BUILTIN_ROUNDPS.
        (ix86_expand_sse_4_operands_builtin): Removed.
        (ix86_expand_sse_operands_builtin): New.
        (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
        and CODE_FOR_sse4_1_roundps.
        (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
        Handle bdesc_sse_args.  Remove bdesc_sse_3arg.

2008-04-17  Alan Modra  <amodra@bigpond.net.au>

        PR target/35907
        * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
        regs before frame pop when needed.  If use_backchain_to_restore_sp
        then load backchain into a temp reg to restore vr and vrsave.  Add
        code to restore vr after frame pop if possible.

2008-04-17  Richard Guenther  <rguenther@suse.de>

        * tree-vn.c (expressions_equal_p): Do not check type
        equality or compatibility before calling operand_equal_p.
        * fold-const.c (operand_equal_p): Check equivalence of
        integer constants before bailing out due to signedness or
        precision differences.
        * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
        spurious differences in type qualification.  Ignore types
        for COMPONENT_REFs at all.

2008-04-17  Christian Bruel  <christian.bruel@st.com>

        * config/sh/sh.c (expand_cbranchdi4): Use original operands for
        msw_skip comparison.

2008-04-16  Jakub Jelinek  <jakub@redhat.com>

        PR c/35739
        * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
        reg type.

        PR tree-optimization/35899
        * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
        rather than TREE_OPERAND.

2008-04-16  Uros Bizjak  <ubizjak@gmail.com>

        PR target/35944
        * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
        temporary registers.  Change operand predicate to general_operand.
        (remainderxf3): Ditto.

2008-04-16  Richard Guenther  <rguenther@suse.de>

        * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
        * tree-affine.c (aff_combination_expand): Look through some
        conversions.

2008-04-15  Doug Kwan  <dougkwan@google.com>

        * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
        for hex printing.
        * tree-pretty-print.c (dump_generic_node): Ditto.
        * final.c (output_addr_const): Ditto.
        * dwarf2out.c (output_cfi): Ditto.
        * c-pretty-print.c (pp_c_integer_constant): Ditto.
        * print-rtl.c (print_rtx): Ditto.
        * print-tree.c (print_node_brief, print_node): Ditto.
        * c-common.c (match_case_to_enum_1): Ditto.
        * sched-vis.c (print_value): Ditto.
        * config/i386/i386.c (print_operand): Cast to long unsigned int
        for hex printing.

2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
        * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
        MS Windows VirtualProtect function.

2008-04-15  Jan Hubicka  <jh@suse.cz>

        * gengtype.c (write_root): Param_is argument is OK.
        * expr.c (expand_expr_real_1): Update call of get_exception_*.
        * function.h: Include varray.h
        (rtl_eh): New stucture based on except.c one.
        (call_site_record): New forward declaration and vector type.
        * calls.c (emit_call_1): Do not call
        note_current_region_may_contain_throw.
        * except.c (eh_status): Remove cur_region, try_region since they are
        unused.
        Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
        exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
        sjlj_fc, sjlj_exit_after to rth_eh in function.h.
        Remove call_site_data_used, call_site_data_size.
        Turn call_site_record into vector in function.h.
        (note_current_region_may_contain_throw): Remove.
        (get_exception_pointer, get_exception_filter): Do not take struct
        function argument; update.
        (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
        add_ttypes_entry, add_ehspec_entry, assign_filter_values,
        build_post_landing_pads, dw2_build_landing_pads,
        sjlj_assign_call_site_values, sjlj_mark_call_sites,
        sjlj_emit_function_enter, sjlj_emit_function_enter,
        sjlj_emit_function_exit, sjlj_emit_dispatch_table,
        sjlj_build_landing_pads, finish_eh_generation,
        remove_exception_handler_label, remove_eh_handler,
        maybe_remove_eh_handler, add_reachable_handler,
        reachable_handlers, expand_builtin_eh_return, expand_eh_return,
        add_action_record, collect_one_action_chain, add_call_site,
        convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
        sjlj_output_call_site_table, output_function_exception_table,
        * except.h (note_current_region_may_contain_throw): Remove
        (get_exception_pointer, get_exception_filter): Do not take struct
        function argument.
        * Makefile.in (GTFILES): Put varargs before struct function.

2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
        punt for STRING_CST.
        (get_constraint_for): Deal with STRING_CST here instead.

2008-04-15  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-propagate.c (substitute_and_fold): Substitute
        statements in a basic-block with a backward walk.  Do not
        substitute into dead statements but instead remove those.

2008-04-15  Richard Guenther  <rguenther@suse.de>

        * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
        to zero, thus disable creation of SFTs.

2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-predcom.c (suitable_reference_p): Return false if the
        reference can throw.

2008-04-15  Jakub Jelinek  <jakub@redhat.com>

        PR c/35751
        * c-decl.c (finish_decl): If extern or static var has variable
        size, set TREE_TYPE (decl) to error_mark_node.

2008-04-15  Rafael Espindola  <espindola@google.com>

        * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
        variable arg1.

2008-04-15  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
        * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
        (visit_reference_op_load): Do walk vuse-vdef chains on
        vn_reference_lookup.
        (visit_reference_op_store): But do not here.
        * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
        vn_reference_lookup.
        (vn_lookup_with_vuses): But do so here.

2008-04-14  Ian Lance Taylor  <iant@google.com>

        * fold-const.c (fold_overflow_warning): Remove assertion.

2008-04-15  Ben Elliston  <bje@au.ibm.com>

        * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
        temp1 local variables.

2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>

        PR target/35661
        * config/i386/winnt.c (i386_pe_section_type_flags): Mark
        ".text.unlikely" section as executable.

2008-04-14  James E. Wilson  <wilson@tuliptree.org>

        * config/ia64/ia64.c (rtx_needs_barrier): Handle
        UNSPEC_FR_SQRT_RECIP_APPROX_RES.
        * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
        (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
        divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
        divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
        divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.

2008-04-14  Ian Lance Taylor  <iant@google.com>

        * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
        * fold-const.c (fold_comparison): If appropriate, test
        POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
        (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
        reassociating a pointer type.
        * doc/invoke.texi (Optimize Options): Document that
        -fstrict-overflow applies to pointer wraparound.

2008-04-13  Jan Hubicka  <jh@suse.cz>

        * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.

2008-04-12  Andrew Pinski  <pinskia@gmail.com>

        * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
        we are going to "save the world".

2008-04-13  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
        ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
        operand 0 constraint, not "=".

2008-04-11  James E. Wilson  <wilson@tuliptree.org>

        * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.

2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>

        * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
        of size of positions_needed * CHAR_BIT.

2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/35897
        * dse.c (store_info): Change positions_needed to unsigned
        HOST_WIDE_INT.
        (lowpart_bitmask): New.
        (record_store): Cast to unsigned HOST_WIDE_INT for
        positions_needed.  Assert width <= size of positions_needed *
        CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
        (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
        lowpart_bitmask to set mask.

2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/constraints.md: New file.
        * config/bfin/bfin.md: Include it.
        (adddi3): Use satisfies_constraint functions instead of the old macros.
        * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
        CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
        CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
        CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
        CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
        CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
        EXTRA_CONSTRAINT): Delete.
        * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
        reg_or_neg7bit_operand): Use satisfies_constraint functions instead
        of the old macros.
        * config/bfin/bfin.c: Include "tm-constrs.h".
        (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
        Use satisfies_constraint functions instead of the old macros.
        * doc/md.texi (Blackfin Constraints): Update file name reference.

2008-04-11  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/35869
        * tree-vrp.c (execute_vrp): Move switch statement update after
        jump threading.  Schedule another cfg cleanup run.

2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>

        PR c/35744
        * attribs.c (decl_attributes): Return early on errorneous node.

2008-04-10  Oleg Ryjkov  <olegr@google.com>

        * tree.h (struct tree_base): Added a new flag default_def_flag.
        (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.

2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.

2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/35768
        * pa.md: Define mode iterator P.  Define mode attribute dwc.
        (dcacheflush): Update pattern to use iterator P and attribute dwc.
        (icacheflush): Likewise.
        * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
        !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.

2008-04-11  Ben Elliston  <bje@au.ibm.com>

        * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.

2008-04-10  Rafael Espindola  <espindola@google.com>

        * tree-vrp.c (extract_range_from_binary_expr): Don't handle
        TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
        (extract_range_from_expr): The same.

2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.md (GPR2): New mode iterator.
        (seq): Add comment.
        (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
        *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
        *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
        Rewrite these to take two modes, the mode of comparison and the
        mode of the destination.
        * config/mips/mips.c (mips_expand_scc): Instead of having
        paradoxical subreg as destination, expand "narrowing" scc if mode
        of comparison is SI and target is requested in DI mode.
        (mips_emit_int_order_test): Update comment.  Make mode of
        comparison match CMP0 rather than TARGET.  When creating inverse
        target use mode of TARGET.

2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>

        * gcov-dump.c (tag_summary): Only print summaries for the first
        GCOV_COUNTERS_SUMMABLE counters.

2008-04-10  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (absneg): New code iterator.
        (absnegprefix): New code attribute.
        (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
        patterns using absneg code iterator.
        (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
        using absneg code iterator.
        (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
        *neg<mode>2 patterns using absneg code iterator.
        (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
        *negextendsfdf2 patterns using absneg code iterator.
        (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
        *negextendsfxf2 patterns using absneg code iterator.
        (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
        *negextendsfdf2 patterns using absneg code iterator.
        * config/i386/sse.md (<code><mode>2): Macroize expander from
        abs<mode>2 and neg<mode>2 patterns using absneg code iterator.

2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.h: Remove the remains of the recent search
        & replace action of current_function_outgoing_args_size.

2008-04-10  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/35821
        * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
        NEW_STMT_LIST is not NULL.

2008-04-09  David Edelsohn  <edelsohn@gnu.org>

        PR libstdc++/35597
        * toplev.c (process_options): Remove -ffunction-sections debugging
        warning.

2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>

        PR middle-end/PR28690
        * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
        than gen_rtx_fmt_ee to perform more canonicalizations.

2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR driver/35665
        * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".

2008-04-09  Richard Guenther  <rguenther@suse.de>

        * tree-cfg.c (verify_stmt): Print complete bogus stmt.
        (dump_function_to_file): Dump function arguments with types.

2008-04-08  Richard Guenther  <rguenther@suse.de>

        * fold-const.c (fold_widened_comparison): Do not allow
        sign-changes that change the result.

2008-04-08  Janis Johnson  <janis187@us.ibm.com>

        PR target/35839
        * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
        kinds of indirect references.

2008-04-08  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
        GNU Fortran language string.

2008-04-08  Rafael Espindola  <espindola@google.com>

        * fold-canst.c (tree_call_nonnegative_warnv_p): New.
        (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
        * tree.h (tree_call_nonnegative_warnv_p): New.

2008-04-08  Jan Hubicka  <jh@suse.cz>

        * function.c (free_after_compilation): Clear out regno_reg_rtx
        pointer.

2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>

        Revert
        2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>

        PR middle-end/PR28690
        * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
        same precedence as REG_POINTER and MEM_POINTER operands.

2008-04-08  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35834
        * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
        for adding index to base.

2008-04-08  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
        (MINGW_ENABLE_EXECUTE_STACK): New.
        (IN_LIBGCC2): For libgcc include windows.h file for
        function declarations.

2008-04-08  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
        and tem2 if tem1 is not a REG or MULT.

2008-04-08  Jan Hubicka  <jh@suse.cz>

        * function.h (incomming_args): Break out of struct function.
        (function_subsections): Break out of struct function.
        (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
        return_rtx and hard_reg_initial_vals from struct function.
        Kill inl_max_label_num.
        (current_function_pops_args, current_function_args_info,
        current_function_args_size, current_function_args_size,
        current_function_pretend_args_size,
        current_function_outgoing_args_size,
        current_function_internal_arg_pointer, current_function_return_rtx):
        Kill compatibility accestor macros.
        * builtins.c (expand_builtin_apply_args_1): Update.
        (expand_builtin_next_arg): Update.
        * df-scan.c (df_get_call_refs): Update.
        * dbxout.c (dbxout_function_end): Update.
        * dwarf2out.c (dwarf2out_switch_text_section): Update.
        (output_line_info): Update.
        (secname_for_decl): Update.
        (dwarf2out_var_location): Update.
        * function.c (free_after_compilation): Update.
        (assign_parm_find_stack_rtl): Update.
        (assign_parms): Update.
        (expand_dummy_function_end): Update.
        (expand_function_end): Update.
        * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
        (expand_call): Update.
        (emit_library_call_value_1): Update.
        (store_one_arg): Update.
        * varasm.c (initialize_cold_section_name): Update.
        (unlikely_text_section): Update.
        (unlikely_text_section_p): Update.
        (assemble_start_function): Update.
        (assemble_end_function): Update.
        (default_section_type_flags): Update.
        (switch_to_section): Update.
        * integrate.c (set_decl_abstract_flags): Update.
        (get_hard_reg_initial_val): Update.
        (has_hard_reg_initial_val): Update.
        (allocate_initial_values): Update.
        * resource.c (init_resource_info): Update.
        * config/alpha/alpha.c (NUM_ARGS): Update.
        (direct_return): Update.
        (alpha_va_start): Update.
        (alpha_sa_size): Update.
        (alpha_initial_elimination_offset): Update.
        (alpha_expand_prologue): Update.
        (alpha_start_function): Update.
        (alpha_expand_epilogue): Update.
        (unicosmk_initial_elimination_offset):
        * config/alpha/alpha.md (call expander): Update.
        * config/s390/s390.c (s390_register_info): Update.
        (s390_register_info): Update.
        (s390_frame_info): Update.
        (s390_initial_elimination_offset): Update.
        (s390_build_builtin_va_list): Update.
        (s390_va_start): Update.
        * config/spu/spu.c (direct_return): Update.
        (spu_expand_prologue): Update.
        (spu_initial_elimination_offset): Update.
        (spu_build_builtin_va_list): Update.
        (spu_va_start): Update.
        * config/sparc/sparc.c (sparc_init_modes): Update.
        (sparc_compute_frame_size): Update.
        (function_value): Update.
        * config/m32r/m32r.c (m32r_compute_frame_size): Update.
        * config/i386/i386.md (return expander): Update.
        * config/i386/i386.c (ix86_va_start): Update.
        (ix86_can_use_return_insn_p): Update.
        (ix86_compute_frame_layout): Update.
        (ix86_expand_epilogue): Update.
        * config/sh/sh.c (output_stack_adjust): Update.
        (calc_live_regs): Update.
        (sh_expand_prologue): Update.
        (sh_builtin_saveregs): Update.
        (sh_va_start): Update.
        (initial_elimination_offset): Update.
        (sh_allocate_initial_value): Update.
        (sh_function_ok_for_sibcall): Update.
        (sh_get_pr_initial_val): Update.
        * config/sh/sh.md (return expander): Update.
        * config/avr/avr.c (frame_pointer_required_p): UPdate.
        * config/crx/crx.c (crx_compute_frame): UPdate.
        (crx_initial_elimination_offset): UPdate.
        * config/xtensa/xtensa.c (compute_frame_size): Update
        (xtensa_builtin_saveregs): Update.
        (xtensa_va_start): Update.
        (order_regs_for_local_alloc): Update.
        * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
        (xstormy16_expand_builtin_va_start): Update.
        * config/fr30/fr30.c (fr30_compute_frame_size): Update.
        * config/m68hc11/m68hc11.md (return expanders): Update.
        * config/m68hc11/m68hc11.c (expand_prologue): Update.
        (expand_epilogue): Update.
        * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
        (cris_simple_epilogue): Update.
        (cris_expand_prologue): Update.
        (cris_expand_epilogue): Update.
        * config/iq2000/iq2000.c (iq2000_va_start): Update.
        (compute_frame_size): Update.
        * config/mt/mt.c (mt_compute_frame_size): Update.
        * config/mn10300/mn10300.c (expand_prologue): Update.
        (expand_epilogue): Update.
        (initial_offset): Update.
        (mn10300_builtin_saveregs):
        * config/mn10300/mn10300.md (return expander): Update.
        * config/ia64/ia64.c (ia64_compute_frame_size): Update.
        (ia64_initial_elimination_offset): Update.
        (ia64_initial_elimination_offset): Update.
        (ia64_expand_prologue): Update.
        * config/m68k/m68k.md (return expander): Update.
        * config/rs6000/rs6000.c (rs6000_va_start): Update.
        (rs6000_stack_info): Update.
        * config/mcore/mcore.c (layout_mcore_frame): Update.
        (mcore_expand_prolog): Update.
        * config/arc/arc.c (arc_compute_frame_size): Update.
        * config/score/score3.c (score3_compute_frame_size): Update.
        * config/score/score7.c (score7_compute_frame_size): Update.
        * config/arm/arm.c (use_return_insn): Update.
        (thumb_find_work_register): Update.
        (arm_compute_save_reg_mask): Update.
        (arm_output_function_prologue): Update.
        (arm_output_epilogue): Update.
        (arm_size_return_regs): Update.
        (arm_get_frame_offsets): Update.
        (arm_expand_prologue): Update.
        (thumb_exit): Update.
        (thumb_unexpanded_epilogue): Update.
        (thumb1_output_function_prologue): Update.
        * config/pa/pa.md (return expander): Update.
        * config/pa/pa.c (compute_frame_size): Update.
        (hppa_builtin_saveregs): Update.
        * config/mips/mips.c (mips_va_start): Update.
        (mips16_build_function_stub): Update.
        (mips_compute_frame_info): Update.
        (mips_restore_gp): Update.
        (mips_output_function_prologue): Update.
        (mips_expand_prologue): Update.
        * config/v850/v850.c (compute_frame_size): Update.
        (expand_prologue): * config/mmix/mmix.c (along): update.
        (mmix_initial_elimination_offset): update.
        (mmix_reorg): update.
        (mmix_use_simple_return): update.
        (mmix_expand_prologue): update.
        (mmix_expand_epilogue): Update.
        * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
        (emit_link_insn): Update.

2008-04-08  Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define
        __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL
        instructions.
        * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for
        atmega103 device.

2008-04-07  Jan Hubicka  <jh@suse.cz>

        * function.h (rtl): Rename to x_rtl.
        (crtl): New define.
        (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
        frame_offset, stack_check_probe_note, arg_pointer_save_area,
        used_temp_slots avail_temp_slots, temp_slot_level,
        nonlocal_goto_handler_labels): Update accesstors.
        (rtl): New global variable.
        (struct function): Move some fileds to rtl_data.
        (get_arg_pointer_save_area): Update prototype.
        * builtins.c (expand_builtin_setjmp_receiver): Update call of
        get_arg_pointer_save_area.
        * expr.c (init_expr): Update
        * function.c (get_frame_size): Update
        (assign_stack_local): Update
        (expand_function_end): Update.
        (get_art_pointer_save_area): Update
        * function.h
        * emit-rtl.c (rtl): Declare.
        (regno_reg_rtx): Declare.
        (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
        Update.
        (gen_reg_rtx): Update.
        * varasm.c (n_deferred_constatns): Update accestor.
        (init_varasm_status): Do not allocate varasm_status.
        (force_const_mem, get_pool_size, output_constant_pool): Update.
        * stmt.c (force_label_rtx): Do not use x_ prefixes.
        (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
        * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
        * sparc/sparc.h (INIT_EXPANDERS): Update.
        * ia64/ia64.h (INIT_EXPANDERS): Update.

2008-04-07  James E. Wilson  <wilson@tuliptree.org>

        * reload.c (push_secondary_reload): Add missing break to for loop.

2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>

        PR middle-end/PR28690
        * rtlanal.c: Update copyright years.
        (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
        as REG_POINTER and MEM_POINTER operands.
        * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
        (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
        * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
        * gcse.c: Update copyright years.
        (pre_delete): Call gen_reg_rtx_and_attrs.
        (hoist_code): Likewise.
        (build_store_vectors): Likewise.
        (delete_store): Likewise.
        * loop-invariant.c (move_invariant_reg): Likewise.
        Update copyright years.

2008-04-07  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
        control string instead of quoted.

2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>

        * doc/rtl.texi: Rewrite of subreg section.

2008-04-07  Kai Tietz  <kai.tietz@onevision.com>

        PR/35842
        * config/i386/i386.c (legitimize_pic_address): Add treating
        of dllimport SYM_REF's.
        (legitimize_dllimport_symbol): Add prototype.

2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>

        * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
        reference in constructor with non self-referential type.

2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>

        Removal of Return with Depressed Stack Pointer support
        * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
        (ECF_SP_DEPRESSED): Likewise.
        (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
        * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
        (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
        (expand_call): Do not test ECF_SP_DEPRESSED.
        * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
        * function.c (keep_stack_depressed): Delete.
        (handle_epilogue_set): Likewise.
        (update_epilogue_consts): Likewise.
        (emit_equiv_load): Likewise.
        (thread_prologue_and_epilogue_insns): Remove support for Return with
        Depressed Stack Pointer.
        * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.

2008-04-06  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/35400
        * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
        information from SSA_NAMEs.

2008-04-06  Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.h (avr_mega_p): Remove declaration.
        (AVR_MEGA): Remove macro.
        * config/avr/avr.c (avr_mega_p): Remove variable.
        (avr_override_options): Remove inicializion of avr_mega_p.
        Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
        (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
        (avr_jump_mode): (Ditto.).
        (avr_output_progmem_section_asm_op): (Ditto.).
        (avr_asm_init_sections): (Ditto.).
        (avr_asm_init_sections): (Ditto.).
        (avr_rtx_costs): (Ditto.).
        * config/avr/avr.md: (Ditto.).
        * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of
        '__AVR_MEGA__'.

2008-04-06  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/35842
        * tree-ssa-address.c (fixed_address_object_p): Adjust to match
        is_gimple_invariant_address.

2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        * gcc.c (default_compilers): Sync Fortran extensions list with
        that in fortran/lang-specs.h.
        * doc/invoke.texi: Likewise.
        * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
        * dwarf2out.c (gen_compile_unit_die): Likewise.

2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>

        * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.

2008-04-05  Uros Bizjak  <ubizjak@gmail.com>

        PR target/12329
        * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
        attribute is used for nested functions.

2008-04-05  Jan Hubicka  <jh@suse.cz>

        * emit-rtl.c (init_emit): xcalloc regno_pointer_align.

        * tree-dump.c (dump_enable_all): Remove prototype; do not accept
        letter argument.
        (dump_files): Update.
        (enable_rtl_dump_file): Do not accept letter argument.
        * tree-pass.h (dump_file_info): Remove letter argument.
        * toplev.c (decode_d_option): Update -da handling.
        * toplev.h (enable_rtl_dump_file): Update prototype.
        * passes.c (register_one_dump_file): Do not accept IPA argument; work
        it out based on pass type.
        (register_dump_files_1): Likewise.
        (init_optimization_passes): Update register_one_dump_file calls.
        (execute_one_pass): Sanity check that IPA passes are called at IPA
        level and RTL passes at RTL level.
        (execute_pass_list): IPA pass can not be after or subpass of
        GIMPLE/RTL pass.
        (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
        disallov RTL subpasses of IPA subpasses.

2008-04-05  Ben Elliston  <bje@au.ibm.com>

        * tree-cfg.c (need_fake_edge_p): Return false for calls to
        builtins that return exactly once and do not throw. Cache call to
        call_expr_flags.

2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>

        PR rtl-optimization/34916
        PR middle-end/35519
        * combine.c (create_log_links): Do not create duplicate LOG_LINKS
        between instruction pairs.

2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>

        * doc/invoke.texi: Document -mbitops for SH.
        * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
        * config/sh/predicates.md (bitwise_memory_operand): New predicate.
        * config/sh/sh.c (print_operand): Add %t operand code.
        * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
        * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
        (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
        (extendqihi2): Likewise.
        (movqi_i): Likewise.
        (insv): Use bset, bclr and bst instructions for SH2A if possible.
        (extv): Use bld instruction for SH2A if possible.
        (extzv): Likewise.
        (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
        bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
        bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
        (bset.b, bclr.b): Define peepholes.
        * config/sh/sh.opt (mbitops): New option.

2008-04-04  Janis Johnson  <janis187@us.ibm.com>

        PR target/35620
        * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
        and view convert expression.

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

        PR target/35364
        * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.

2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>

        * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.

        * config/i386/cpuid.h (bit_AES): New.
        (bit_PCLMUL): Likewise.

        * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
        (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
        SSE2 if AES or PCLMUL is enabled.
        (ix86_builtins): Add IX86_BUILTIN_AESENC128,
        IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
        IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
        IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
        (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
        (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
        IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
        IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
        (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
        (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
        __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
        __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
        __builtin_ia32_aeskeygenassist128 and
        __builtin_ia32_pclmulqdq128.
        * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
        (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
        IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.

        * config/i386/i386.h (TARGET_AES): New.
        (TARGET_PCLMUL): Likewise.
        (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.

        * config/i386/i386.md (UNSPEC_AESENC): New.
        (UNSPEC_AESENCLAST): Likewise.
        (UNSPEC_AESDEC): Likewise.
        (UNSPEC_AESDECLAST): Likewise.
        (UNSPEC_AESIMC): Likewise.
        (UNSPEC_AESKEYGENASSIST): Likewise.
        (UNSPEC_PCLMUL): Likewise.

        * config/i386/i386.opt (maes): New.
        (mpclmul): Likewise.

        * config/i386/sse.md (aesenc): New pattern.
        (aesenclast): Likewise.
        (aesdec): Likewise.
        (aesdeclast): Likewise.
        (aesimc): Likewise.
        (aeskeygenassist): Likewise.
        (pclmulqdq): Likewise.

        * config/i386/wmmintrin.h: New.

        * doc/extend.texi: Document AES and PCLMUL built-in function.

        * doc/invoke.texi: Document -maes and -mpclmul.

2008-04-04  Paolo Bonzini  <bonzini@gnu.org>

        * function.c (free_after_parsing): Replace with
        cxx_push_function_context from C++ front-end.
        (allocate_struct_function): Don't call langhook.
        * langhooks.h (struct lang_hooks_for_functions): Delete.
        (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
        member "function".
        * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
        (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
        LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
        LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
        (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
        remove LANG_HOOKS_FUNCTION_INITIALIZER.
        * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.

        * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
        Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.

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

        PR c/35440
        * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
        for all types.

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

        PR middle-end/35823
        * fold-const.c (optimize_minmax_comparison): Use the correct
        type for the constant in the simplified comparison.

2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>

        * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
        Pass L2 size as "--param l2-cache-size" to the compiler.
        (decode_l2_cache): New function to decode L2 cache parameters using
        0x8000006 extended cpuid function.
        (detect_caches_amd): Determine parameters of L2 cache using
        decode_l2_caches function.
        (decode_caches_intel): Decode L2 cache parameters.
        (detect_caches_intel): Determine L2 cache parameters using
        decode_caches_intel and decode_l2_caches functions.

2008-04-03  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
        secondary input reload for subword loads from the constant pool.

2008-04-03  Janis Johnson  <janis187@us.ibm.com>

        PR target/35713
        * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
          constants of the appropriate size for runtime calculations.

        PR c/35712
        * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
          decimal-float literal constant zero.

2008-04-03  Jakub Jelinek  <jakub@redhat.com>

        PR c/35738
        * c-parser.c (c_parser_omp_atomic): Call
        default_function_array_conversion on the RHS.

        PR middle-end/35818
        * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
        call is_variable_sized if decl has incomplete type.

2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386-protos.h (ix86_aligned_p): Removed.

2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
        iterators.
        (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
        (sgt<u>): Merge sgt and sgtu into new expander.
        (sgt, sgtu): Remove expanders.
        (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
        (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
        (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
        *sgtu_<mode>_mips16 into new pattern.
        (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
        (sge<u>): Merge sge and sgeu into new expander.
        (sge, sgeu): Remove expanders.
        (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
        new pattern.
        (*sge_<mode>, second *sge_<mode>): Remove patterns.
        (slt<u>): Merge slt and sltu into new expander.
        (slt, sltu): Remove expanders.
        (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
        (*slt_<mode>, *sltu_<mode>): Remove patterns.
        (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
        *sltu_<mode>_mips16 into new pattern.
        (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
        (sle<u>): Merge sle and sleu into new expander.
        (sle, sleu): Remove expanders.
        (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
        (*sle_<mode>, *sleu_<mode>): Remove patterns.
        (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
        *sleu_<mode>_mips16 into new pattern.
        (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.

2008-04-03  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/35795
        * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
        * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
        * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
        * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
        * score/score3.c (score3_output_mi_thunk): Likewise.
        * score/score7.c (score7_output_mi_thunk): Likewise.
        * mips/mips.c (mips_output_mi_thunk): Likewise.

2008-04-03  Richard Guenther  <rguenther@suse.de>

        * tree-vrp.c (extract_range_from_unary_expr): Handle all
        conversions.  Simplify code.

2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_output_mi_thunk): Free cfun.

2008-04-03  Tom Tromey  <tromey@redhat.com>
            Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
        * config/bfin/t-bfin-linux (generated_files): Add
        linux-sysroot-suffix.h.
        * doc/install.texi (Prerequisites): Require make 3.80.
        * doc/sourcebuild.texi (Front End Directory): Document new
        variable.
        * Makefile.in (generated_files): New variable.
        (ALL_HOST_OBJS): New variable.
        ($(ALL_HOST_OBJS)): New target.

2008-04-03  Paolo Bonzini  <bonzini@gnu.org>

        * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
        (remap_block): Call id->transform_lang_insert_block instead
        of langhook.
        (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
        Set id.transform_lang_insert_block to NULL.
        (clone_body): Move to cp/optimize.c
        * tree-inline.h (struct copy_body_data): Change
        transform_lang_insert_block to function pointer.
        (copy_generic_body, copy_decl_no_change): Export.
        * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
        * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
        (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.

        * c-tree.h (insert_block): Kill.
        * c-decl.c (insert_block): Kill.

2008-04-03  Paolo Bonzini  <bonzini@gnu.org>

        * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
        LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
        * c-tree.h (c_push_function_context, c_pop_function_context): Remove
        argument.
        * c-decl.c (c_push_function_context, c_pop_function_context): Remove
        argument, call {push,pop}_function_context from here.
        * c-parser.c: Use c_{push,pop}_function_context.

        * function.c (push_function_context_to): Move meat ...
        (push_function_context): ... here.  Simplify.
        * function.c (pop_function_context_from): Move meat ...
        (pop_function_context): ... here.  Simplify.
        * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
        leave_nested).
        * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
        LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
        (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
        * tree.h (push_function_context_to, pop_function_context_from): Remove.

2008-04-03  Ben Elliston  <bje@au.ibm.com>

        * expmed.c (extract_force_align_mem_bit_field): Remove.

2008-04-03  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35800
        * expr.h (try_casesi): Adjust prototype.
        * expr.c (try_casesi): Take fallback label as extra parameter.
        Use that for gen_casesi if default_label is NULL.
        * stmt.c (expand_case): Pass fallback label to try_casesi,
        make sure to fill gaps with a fallback label if default_label
        is not present.

2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>

        PR target/35801
        * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.

2008-04-03  Ben Elliston  <bje@au.ibm.com>

        * expmed.c (extract_split_bit_field): Remove if (0) code.
        * tree-ssa-structalias.c (do_sd_constraint): Likewise.
        (do_ds_constraint): Likewise.

2008-04-02  Joseph Myers  <joseph@codesourcery.com>

        * doc/cppopts.texi (-dU): Document.
        * c-common.h (flag_dump_macros): Update comment.
        * c-opts.c (handle_OPT_d): Handle -dU.
        * c-ppoutput.c (macro_queue, define_queue, undef_queue,
        dump_queued_macros, cb_used_define, cb_used_undef): New.
        (init_pp_output): Handle -dU.
        (cb_line_change): Call dump_queued_macros.
        * toplev.c (decode_d_option): Accept -dU as preprocessor option.

2008-04-02  Anatoly Sokolov <aesok@post.ru>

        * config/avr/predicates.md (io_address_operand): New predicate.
        * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
        * config/avr/avr.c (avr_io_address_p): Remove function.
        (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
        'avr_io_address_p' function.
        (out_movhi_r_mr): (Ditto.).
        (out_movqi_mr_r): (Ditto.).
        (out_movhi_mr_r): (Ditto.).
        (avr_address_cost): (Ditto.).

2008-04-02  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
        Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
        in 32bit mode when XMM registers are available to avoid store
        forwarding stalls.
        (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
        corresponding post-reload splitters.

2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
        and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
        __builtin_ia32_roundss.
        (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
        __builtin_ia32_shufpd, __builtin_ia32_roundsd and
        __builtin_ia32_roundss.
        (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
        IX86_BUILTIN_SHUFPD here.

2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.md (plogic): New.
        (plogicprefix): Likewise.

        * config/i386/mmx.md (mmx_<code><mode>3): New.
        (mmx_and<mode>3): Removed.
        (mmx_ior<mode>3): Likewise.
        (mmx_xor<mode>3): Likewise.

        * config/i386/sse.md (<code><mode>3): New.
        (*<code><mode>3): Likewise.
        (*<code><mode>3): Likewise.
        (<code><mode>3): Likewise.
        (*sse_<code><mode>3): Likewise.
        (*sse2_<code><mode>3): Likewise.
        (<code>tf3): Likewise.
        (*<code>tf3): Likewise.
        (and<mode>3): Likewise.
        (*and<mode>3): Likewise.
        (ior<mode>3): Removed.
        (*ior<mode>3): Likewise.
        (xor<mode>3): Likewise.
        (*xor<mode>3): Likewise.
        (*and<mode>3): Likewise.
        (*ior<mode>3): Likewise.
        (*xor<mode>3): Likewise.
        (and<mode>3): Likewise.
        (*sse_and<mode>3): Likewise.
        (*sse2_and<mode>3): Likewise.
        (andtf3): Likewise.
        (*andtf3): Likewise.
        (ior<mode>3): Likewise.
        (*sse_ior<mode>3): Likewise.
        (*sse2_ior<mode>3): Likewise.
        (iortf3): Likewise.
        (*iortf3): Likewise.
        (xor<mode>3): Likewise.
        (*sse_xor<mode>3): Likewise.
        (*sse2_xor<mode>3): Likewise.
        (xortf3): Likewise.
        (*xortf3): Likewise.

2008-04-02  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/14495
        PR tree-optimization/34793
        * tree-vrp.c (struct switch_update): New structure.
        (to_remove_edges, to_update_switch_stmts): New VECs.
        (simplify_switch_using_ranges): New function.  Remove not taken
        case labels and edges.
        (simplify_stmt_using_ranges): Call it.
        (identify_jump_threads): Mark edges we have queued for removal
        so we don't thread them.
        (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
        case label vector.
        * tree-cfg.c (group_case_labels): Deal with missing default label.
        (tree_verify_flow_info): Allow missing default label.
        * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
        (emit_case_nodes): Likewise.
        (expand_case): Do not rely on the default label to be present.
        * expr.c (try_casesi): Deal with NULL default_label.
        (do_tablejump): Likewise.

2008-04-02  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/14495
        * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
        SWITCH_EXPR here ...
        (vrp_visit_switch_stmt): ... but here (new function).
        (find_case_label_index): New helper function.
        (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.

2008-04-02  Paolo Bonzini  <bonzini@gnu.org>

        * fwprop.c: Fix ISO-C99ism.

2008-04-02  Paolo Bonzini  <bonzini@gnu.org>

        PR bootstrap/35752
        * Makefile.in (objdir): Set it here.
        * configure.ac: Not here.  Find dynamic linker characteristics.
        * exec-tool.in: Use them.
        * aclocal.m4: Regenerate.
        * configure: Regenerate.

2008-04-02  Paolo Bonzini  <bonzini@gnu.org>

        * expr.c (expand_var): Delete it.
        * expr.h (expand_var): Delete prototype.
        * function.c (expand_function_start): Use expand_decl instead.
        * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
        langhook.

2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>

        PR rtl-optimization/35542
        * fwprop.c (forward_propagate_and_simplify): Replace
        loc_reg_mentioned_in_p with reg_mentioned_p.

2008-04-02  Paolo Bonzini  <bonzini@gnu.org>

        PR rtl-optimization/35281
        * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
        (propagate_rtx_1): Handle PR_HANDLE_MEM.
        (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
        (varying_mem_p): Move above propagate_rtx.
        (all_uses_available_at): Do not check MEMs.

2008-04-02  Rafael Espindola  <espindola@google.com>

        * tree-vrp.c (extract_code_and_val_from_cond): Remove.
        (register_edge_assert_for_2): Split the cond argument.
        (register_edge_assert_for_1): Adjust for the change in
        register_edge_assert_for_2.
        (register_edge_assert_for): Split the cond argument.
        (find_switch_asserts): Adjust for the change in
        register_edge_assert_for.

2008-04-02  Kai Tietz  <kai.tietz@onevision.com>

        * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
        * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
        offsets for 64-bit mingw.
        * config/i386/i386.c (ix86_pass_by_reference): Correct calling
        abi for x86_64-pc-mingw.

2008-04-02  Richard Guenther  <rguenther@suse.de>

        * tree-vrp.c (extract_range_from_assert): Make sure to not
        produce range min/max with TREE_OVERFOW set.
        If merging a anti-range and a range keep the anti-range if
        the range covers all values of the type.
        (register_edge_assert_for_2): Only allow sign-changing
        conversions in detecting canonical range checks.  Also
        register an assert for the unsigned name if useful.

        PR tree-optimization/35787
        * tree-vrp.c (vrp_val_max): New function.
        (vrp_val_min): Likewise.
        (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
        (vrp_val_is_min): Likewise.
        (supports_overflow_infinity): Use vrp_val_{min,max}.
        (negative_overflow_infinity): Likewise.
        (positive_overflow_infinity): Likewise.
        (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
        (is_positive_overflow_infinity): Likewise.
        (is_overflow_infinity): Likewise.
        (avoid_overflow_infinity): Use vrp_val_{min,max} and
        vrp_val_is_{min,max}.
        (set_and_canonicalize_value_range): Canonicalize anti-ranges
        to ranges if possible.  Avoid empty ranges.

2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/35705
        * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
        the expression is a function address.

2008-04-01  George Helffrich  <george@gcc.gnu.org>

        PR fortran/35154, fortran/23057
        * dbxout.c: Emit .stabs debug info for Fortran COMMON block
        variables as base symbol name + offset using N_BCOMM/N_ECOMM.
        (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
        (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
        in common.
        (dbxout_syms): Check for COMMON-based symbol and wrap in
        N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
        in bracket for efficiency.

        * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
        using DW_TAG_common_block + member offset.
        (add_pubname_string): New function.
        (dw_expand_expr): New function to find block name and offset for
        COMMON var.
        (common_check): New function to check whether symbol in Fortran COMMON.
        (gen_variable_die): If COMMON, use DW_TAG_common_block.

2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>

        PR c/35436
        * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.

2008-04-02  Ben Elliston  <bje@au.ibm.com>

        * config/v850/v850.md (casesi): Remove if (0) code.
        * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
        * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.

2008-04-01  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (rex64suffix): New mode attribute.
        (floathi<mode>2): Disable expander for SSE math.
        (*floathi<mode>2_1): New insn insn_and_split pattern.
        (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
        corresponding post-reload splitters.
        (*floathi<mode>2_i387): New macroized insn pattern.
        (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
        (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
        insn_and_split pattern.
        (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
        New macroized instruction patterns and corresponding post-reload
        splitters.
        (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
        and corresponding post-reload splitters.
        (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
        New macroized instruction patterns.
        (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
        macroized instruction patterns and corresponding post-reload splitters.
        (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
        corresponding post-reload splitters.
        (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
        New macroized instruction patterns.
        (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
        corresponding post-reload splitters.
        (*floatsi<mode>2_i387): New macroized instruction patterns.

2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.md (smaxmin): New.
        (umaxmin): Likewise.
        (maxminiprefix): Likewise.
        (maxminfprefix): Likewise.
        (<code><mode>3): Likewise.
        (smin<mode>3): Removed.
        (smax<mode>3): Likewise.

        * config/i386/mmx.md (mmx_<code>v2sf3): New.
        (mmx_<code>v4hi3): Likewise.
        (mmx_<code>v8qi3): Likewise.
        (mmx_smaxv2sf3): Removed.
        (mmx_sminv2sf3): Likewise.
        (mmx_umaxv8qi3): Likewise.
        (mmx_smaxv4hi3): Likewise.
        (mmx_uminv8qi3): Likewise.
        (mmx_sminv4hi3): Likewise.

        * config/i386/sse.md (<addsub><mode>3): New.
        (*<addsub><mode>3): Likewise.
        (<sse>_vm<addsub><mode>3): Likewise.
        (<maxmin><mode>3): Likewise.
        (*<maxmin><mode>3_finite): Likewise.
        (*<maxmin><mode>3): Likewise.
        (<sse>_vm<maxmin><mode>3): Likewise.
        (sse3_h<addsub>v4sf3): Likewise.
        (sse3_h<addsub>v2df3): Likewise.
        (<maxmin>v16qi3): Likewise.
        (*<maxmin>v16qi3): Likewise.
        (<maxmin>v8hi3): Likewise.
        (*<maxmin>v8hi3): Likewise.
        (*sse4_1_<maxmin><mode>3): Likewise.
        (*sse4_1_<maxmin><mode>3): Likewise.
        (add<mode>3): Removed.
        (*add<mode>3): Likewise.
        (<sse>_vmadd<mode>3): Likewise.
        (sub<mode>3): Likewise.
        (*sub<mode>3): Likewise.
        (<sse>_vmsub<mode>3): Likewise.
        (smin<mode>3): Likewise.
        (*smin<mode>3_finite): Likewise.
        (*smin<mode>3): Likewise.
        (<sse>_vmsmin<mode>3): Likewise.
        (smax<mode>3): Likewise.
        (*smax<mode>3_finite): Likewise.
        (*smax<mode>3): Likewise.
        (<sse>_vmsmax<mode>3): Likewise.
        (sse3_haddv4sf3): Likewise.
        (sse3_haddv2df3): Likewise.
        (sse3_hsubv4sf3): Likewise.
        (sse3_hsubv2df3): Likewise.
        (umaxv16qi3): Likewise.
        (*umaxv16qi3): Likewise.
        (smaxv8hi3): Likewise.
        (*smaxv8hi3): Likewise.
        (*sse4_1_smax<mode>3): Likewise.
        (*sse4_1_umax<mode>3): Likewise.
        (uminv16qi3): Likewise.
        (*uminv16qi3): Likewise.
        (sminv8hi3): Likewise.
        (*sminv8hi3): Likewise.
        (*sse4_1_smin<mode>3): Likewise.
        (*sse4_1_umin<mode>3): Likewise.

2008-04-01  Rafael Espindola  <espindola@google.com>

        * tree-cfg.c (verify_expr): remove in_phi.
        (verify_stmt): Don't call walk_tree with verify_expr. Use
        is_gimple_min_invariant instead of is_gimple_val.

2008-04-01  Joseph Myers  <joseph@codesourcery.com>

        * doc/include/gpl_v3.texi: Update for manpage generation.
        * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
        gpl.texi.
        * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
        * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
        gpl_v3.texi instead of gpl.texi.
        (gpl.pod): New.

2008-04-01  Jakub Jelinek  <jakub@redhat.com>

        PR pch/13675
        * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).

2008-04-01  Rafael Espindola  <espindola@google.com>

        * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
        (extract_code_and_val_from_cond): Use
        extract_code_and_val_from_cond_with_ops.

2008-04-01  Jan Hubicka  <jh@suse.cz>

        * function.c (free_after_compilation): Free epilogue_delay_list.
        (prepare_function_start): Assert that previous compilation was freed.

2008-04-01  Jan Hubicka  <jh@suse.cz>
            Jim Wilson  <wilson@tuliptree.org>
            Andreas Tobler <andreast@gcc.gnu.org>

        PR middle-end/35781
        * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
        rtl.emit instead cfun->emit.
        * sparc/sparc.h (INIT_EXPANDERS): Likewise.
        * ia64/ia64.h (INIT_EXPANDERS): Likewise.

2008-04-01  Ben Elliston  <bje@au.ibm.com>

        * doc/c-tree.texi (Function Basics): Fix grammatical error.

2008-03-31  Seongbae Park <seongbae.park@gmail.com>

        * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
        New options
        (fprofile-use): Add var flag_profile_use
        * coverage.c (coverage_begin_output): Do not open a gcno file for
        output only if -ftest-coverage is set.
        Do not add getpwd() to gcda file path.
        (build_gcov_info): Check the new flag
        flag_profile_datafile_relative_path.
        (coverage_init): Use profile_data_prefix.
        Read profile counter only if flag_profile_use is set.
        * opts.c (common_handle_option): New option fprofile-use=,
        fprofile-dir=, fprofile-generate=.
        * toplev.c (profile_data_prefix): New variable definition.
        * toplev.h (profile_data_prefix): New declaration.
        * doc/invoke.tex (Option Summary, Optimization Options):
        Add new options.

2008-03-31  James E. Wilson  <wilson@tuliptree.org>

        * varasm.c (output_constant_pool_1): In LABEL_REF check,
        use tmp consistently.

        PR target/35695
        * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
        * config/ia64/ia64.c (rtx_needs_barrier): Handle
        UNSPEC_FR_RECIP_APPROX_RES.
        * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.

2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>

        PR c/35750
        * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.

2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR middle-end/30186
        * fold-const.c (fold_indirect_ref_1): Support accessing non first
        element of the vector via a pointer.

2008-03-31  Ian Lance Taylor  <iant@google.com>

        * tlink.c (scan_linker_output): Look for symbol name in single quotes.

2008-03-31  Jan Hubicka  <jh@suse.cz>

        * builtins.c (expand_builtin_setjmp_receiver): Update call of
        get_arg_pointer_save_area.
        * expr.c (init_expr): Just clear out rtl.expr.
        * function.c (free_after_compilation): Clear out whole RTL structure.
        (get_func_frame_size): Merge into ...
        (get_frame_size): ... this one.
        (assign_stack_local_1): Merge into ...
        (assign_stack_local): ... this one.
        (expand_function_end): Update call of get_arg_pointer_save_area.
        (get_art_pointer_save_area): Remove cfun argument.
        * function.h (emit_status): regno_pointer_align does not need length
        attribute. Move x_regno_reg_rtx to ...
        (regno_reg_rtx): ... new global array.
        (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
        (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
        apply_args_value, forced_labels, stack_pointer_delta):
        Update accestors.
        (struct varasm_status): Move here from varasm.c
        (struct rtl_data): New. Move here some fields from struct function.
        (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
        frame_offset, stack_check_probe_note, arg_pointer_save_area,
        used_temp_slots avail_temp_slots, temp_slot_level,
        nonlocal_goto_handler_labels): Update accesstors.
        (rtl): New global variable.
        (struct function): Move some fileds to rtl_data.
        (get_arg_pointer_save_area): Update prototype.
        * emit-rtl.c (rtl): Declare.
        (regno_reg_rtx): Declare.
        (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
        Update.
        (gen_reg_rtx): Update.
        (init_virtual_regs): Do not tate emit_status argument.
        (init_emit): Do not allocate emit.
        * varasm.c (varasm_statuc): Move to function.h.
        (n_deferred_constatns): Update accestor.
        (init_varasm_status): Do not allocate varasm_status.
        (force_const_mem, get_pool_size, output_constant_pool): Update.
        * stmt.c (force_label_rtx): Do not use x_ prefixes.
        (expand_nl_goto_receiver): Update get_arg_pointer_save_area.

2008-03-31  Zdenek Dvorak  <ook@ucw.cz>

        PR rtl-optimization/35729
        * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
        references.

2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/32000
        * config/i386/i386.md (*movti_internal): Emit unaligned SSE
        load/store if memory is unaligned.
        (*movti_rex64): Likewise.

        * config/i386/predicates.md (misaligned_operand): New.

2008-03-31  Andrew Pinski  <pinskia@gmail.com>

        PR tree-opt/35431
        * tree-ssa-phiopt.c (conditional_replacement): Return early for
        complex types.

2008-03-31  Jan Beulich  <jbeulich@novell.com>

        * config/ia64/constraints.md: Add 'j' constraint.
        * config/ia64/ia64.md (movsi_internal): Add addp4 case.
        (movdi_internal): Likewise.

2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>

        PR c/35748
        * c-typeck.c (build_c_cast): Skip invalid fields in unions.

2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/35757
        * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
        proper error message for the third argument on blendpd and
        blendps.

        * config/i386/sse.md (blendbits): New.
        (sse4_1_blendp<ssemodesuffixf2c>): Use it.

2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>

        * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.

2008-03-30  Richard Guenther  <rguenther@suse.de>

        PR middle-end/31023
        * fold-const.c (fold_sign_changed_comparison): Do leave
        conversions to base-types alone.

2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
        the link register if one altivec register is be saved.

2008-03-30  Ben Elliston  <bje@au.ibm.com>

        * final.c (final_scan_insn): Remove if (0) code.

2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>

        * c-parser.c (c_parser_next_token_is_keyword): Simplify.

2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
        of V4SFmode to ix86_binary_operator_ok.

2008-03-28  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (override_options): Initialize
        ix86_veclib_handler to ix86_veclibabi_svml when
        -mveclibabi=svml is used.
        (ix86_veclibabi_svml): New function for SVML ABI style
        vectorization support.
        * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.

2008-03-28  Rafael Espindola  <espindola@google.com>

        * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
        (tree_binary_nonnegative_warnv_p): Make it public.
        (tree_single_nonnegative_warnv_p): Make it public.
        (tree_invalid_nonnegative_warnv_p): Make it public.
        (tree_unary_nonzero_warnv_p): Make it public.
        (tree_binary_nonzero_warnv_p): Make it public
        (tree_single_nonzero_warnv_p): Make it public.
        * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
        (extract_range_from_binary_expr): Split the expr argument.
        (extract_range_from_unary_expr): Split the expr argument.
        (extract_range_from_comparison): Split the expr argument.
        (extract_range_from_expr): Use the new aux functions.
        (vrp_evaluate_conditional_warnv): Use
        vrp_evaluate_conditional_warnv_with_ops.
        * tree.h (tree_unary_nonzero_warnv_p): Declare.
        (tree_binary_nonzero_warnv_p): Declare.
        (tree_single_nonzero_warnv_p): Declare.
        (tree_expr_nonzero_warnv_p): Declare.
        (tree_unary_nonnegative_warnv_p): Declare.
        (tree_binary_nonnegative_warnv_p): Declare.
        (tree_single_nonnegative_warnv_p): Declare.
        (tree_invalid_nonnegative_warnv_p): Declare.

2008-03-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/30317
        PR tree-optimization/30911
        PR tree-optimization/34793
        * tree-vrp.c (set_and_canonicalize_value_range): New function.
        (struct assert_locus_d): New member EXPR.
        (register_new_assert_for): Add EXPR parameter to support
        ASSERT_EXPR <name, expr OP limit>.
        (register_edge_assert_for_1): Adjust callers.
        (find_assert_locations): Likewise.
        (process_assert_insertions_for): Build condition from expression.
        (extract_range_from_assert): Handle ASSERT_EXPRs
        of the form ASSERT_EXPR <name, expr OP limit>.
        (register_edge_assert_for_2): New helper registering
        asserts for comparisons.  Recognize range tests of the form
        (unsigned)i - CST1 OP CST2.
        (register_edge_assert_for_1): Use it.
        (register_edge_assert_for): Likewise.
        (needs_overflow_infinity): Integer sub-types
        do not need overflow infinities.
        (vrp_val_is_max): The extreme values of integer sub-types
        are those of the base type.
        (vrp_val_is_min): Likewise.
        * tree.def (ASSERT_EXPR): Document extra allowed conditional
        expressions.

2008-03-28  Nick Clifton  <nickc@redhat.com>

        PR target/31110
        * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
        Return GENERAL_REGS for stack adjustment reloads.

2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR target/31334
        * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
        const_vector when all the vectors are constant.

2008-03-27  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
        comparisons.
        * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
        (any_scc_sf): Add uneq, unlt, unle and unordered operators.
        (scc_sf): New.
        (s<code>_sf): Use new scc_sf attribute for opcode names.

2008-03-27  Tom Tromey  <tromey@redhat.com>

        * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
        configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
        config/spu/t-spu-elf, config/i386/t-interix,
        config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
        config/i386/x-darwin, config/i386/x-mingw32,
        config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
        config/sh/t-sh, config/sh/t-symbian, config/x-linux,
        config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
        config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
        config/rs6000/x-rs6000, config/rs6000/x-darwin64,
        config/rs6000/x-darwin, config/rs6000/t-rs6000,
        config/score/t-score-elf, config/arm/t-strongarm-pe,
        config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
        config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
        Revert automatic dependency patch.

2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/35657
        * config/i386/i386.c (ix86_function_arg_boundary): Align
        decimal floating point to its natural boundary.

2008-03-27  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35716
        * fold-const.c (fold_comparison): Restrict distinct decl
        comparison folding to VAR_DECLs and PARM_DECLs.  Do not
        solely rely on operand_equal_p.

2008-03-27  Richard Guenther  <rguenther@suse.de>

        PR c/32511
        * c-common.c (handle_weak_attribute): Reject combination of
        weak and inline.

2008-03-27  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/32810
        * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
        conversions from DECL_INITIAL.
        (fold_const_aggregate_ref): Likewise from constructor elements.

2008-03-27  Zdenek Dvorak  <ook@ucw.cz>

        * tree-affine.h (aff_combination_expand): Declare.
        (get_inner_reference_aff): Likewise.
        * tree-affine.c (aff_combination_expand): Split out from
        tree_to_aff_combination_expand.
        (get_inner_reference_aff): New function.
        * tree-parloops.c (loop_parallel_p): Free vectorizer info.
        * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
        (struct lim_aux_data): sm_done field removed.
        (mem_ref_loc_p, mem_ref_locs_p): New types.
        (struct mem_ref): Added id, stored, accesses_in_loop,
        indep_loop, dep_loop, indep_ref, dep_ref fields.
        Removed is_stored, locs and next fields.
        (memory_accesses): New variable.
        (movement_possibility): Do not allow moving statements
        that store to memory.
        (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
        New functions.
        (determine_max_movement): For statements with memory references,
        find the outermost loop in that the reference is independent.
        (move_computations_stmt): Mark the virtual operands for renaming.
        (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
        gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
        vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
        add_vop_ref_mapping, create_vop_ref_mapping_loop,
        create_vop_ref_mapping, analyze_memory_references,
        cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
        get_all_locs_in_loop, ref_always_accessed_p,
        refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
        ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
        store_motion_loop, store_motion): New functions.
        (struct vop_to_refs_elt): New type.
        (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
        memref_hash, memref_eq, hoist_memory_references): Rewritten.
        (schedule_sm): Replaced by...
        (execute_sm): ... this.
        (determine_lsm_ref, hoist_memory_references,
        loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
        find_more_ref_vops, free_mem_ref, free_mem_refs,
        determine_lsm_loop, determine_lsm): Removed.
        (tree_ssa_lim_finalize): Free data structures used by store motion.
        (tree_ssa_lim): Call analyze_memory_references.  Use
        store_motion instead of determine_lsm.

2008-03-27  Paolo Bonzini  <bonzini@gnu.org>

        * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
        rename tmake_file to m68hc11/t-m68hc11.
        (mcore): Set inhibit_libc to true.
        * config.host (alpha*-dec-*vms*): Set extra_programs.
        (interix3*): Don't use host_xmake_file.
        * configure.ac: Let config.gcc override inhibit_libc.
        * configure: Regenerate.

        * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
        * config/t-openbsd-thread: Remove commented out lines.

        * config/x-interix: Remove.

        * config/m68hc11/t-m68hc11-gas: Rename to...
        * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.

        * config/mcore/t-mcore: Remove T_CFLAGS.
        * config/mcore/t-mcore-pe: Likewise.

2008-03-27  Paolo Bonzini  <bonzini@gnu.org>

        * configure.ac: Replace custom __GNU_SOURCE test with
        AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
        * aclocal.m4: Regenerate.
        * configure: Regenerate.
        * config.in: Regenerate.

2008-03-27  Richard Guenther  <rguenther@suse.de>

        * fold-const.c (target.h): Include.
        (fold_comparison): Fold comparison of addresses of decls
        that bind locally or of constants.  Consolidate address folding code.
        * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
        results from fold_binary_to_constant.
        (compare_values_warnv): Likewise.

2008-03-27  Andrew Pinski  <pinskia@gmail.com>

        PR middle-end/35429
        * fold-const.c (fold_truthop): Check for integeral types when folding
        a == 0 && b == 0 and a != 0 || b != 0 .

2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.

2008-03-26  Andreas Schwab  <schwab@suse.de>

        * doc/invoke.texi: Fix use of @item vs. @itemx.

2008-03-26  Tom Tromey  <tromey@redhat.com>

        * Makefile.in (build/gensupport.o, build/print-rtl.o,
        build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
        build/genattrtab.o, build/genautomata.o, build/gencheck.o,
        build/gencodes.o, build/genconditions.o, build/genconfig.o,
        build/genconstants.o, build/genemit.o, build/genextract.o,
        build/genflags.o, build/genmddeps.o, build/genopinit.o,
        build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
        options.h.

2008-03-26  Richard Guenther  <rguenther@suse.de>

        Revert
        2008-03-26  Richard Guenther  <rguenther@suse.de>

        * fold-const.c (target.h): Include.
        (fold_comparison): Fold comparison of addresses of two decls
        that bind locally.  Consolidate address folding code.

2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (expand_builtin_pow, fold_builtin_cabs,
        fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
        fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
        dconstsqrt2, dconstthird, dconste and/or dconst10.
        * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
        * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
        dconstsqrt2, dconste): Delete.
        (init_emit_once): Likewise.  Simplify initializing dconstm1.
        Constify variable.
        * real.c (get_real_const): New.
        * real.h (dconst3, dconst10, dconstm2, dconstthird,
        dconstsqrt2, dconste): Delete.
        (real_value_const, get_real_const): New.

2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.

        * config/i386/i386.c (ix86_function_arg_boundary): Check
        BIGGEST_ALIGNMENT instead of 128.
        (setup_incoming_varargs_64): Likewise.

2008-03-26  Tom Tromey  <tromey@redhat.com>

        * Makefile.in (DEPFILES): Add missing '/'.

2008-03-26  Richard Guenther  <rguenther@suse.de>

        * fold-const.c (target.h): Include.
        (fold_comparison): Fold comparison of addresses of two decls
        that bind locally.  Consolidate address folding code.

2008-03-26  Nick Clifton  <nickc@redhat.com>

        PR target/31232
        * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
        not allow INT+INT as a legitimate addressing mode.

2008-03-26  Richard Guenther  <rguenther@suse.de>

        * tree-flow.h (widen_bitfield): Remove declaration.
        * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
        (widen_bitfield): Remove function.
        * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
        code.

2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR target/31558
        * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
        error_mark_node's.

2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>

        PR rtl-optimization/35232
        * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
        (forget_old_reloads_1, forget_marked_reloads): Don't clear
        reg_reloaded_call_part_clobbered here.
        (reload_regs_reach_end_p): New function.
        (reload_reg_rtx_for_input): New variable.
        (reload_reg_rtx_for_output): Likewise.
        (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
        when reassigning a pseudo register.  Load reloadreg from
        reload_reg_rtx_for_input, moving the mode and register
        calculation to...
        (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
        instead of the original when deciding whether an input reload
        would be a no-op or whether an output reload can be deleted.
        (emit_output_reload_insns): Use the mode-adjusted reg_rtx
        when setting up new_spill_reg_store.  Load it from
        reload_reg_rtx_for_output, moving the mode and register
        calculation to...
        (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
        instead of the original when deciding whether an output reload
        would be a no-op.  Do the same when modifying insn notes.
        Use rtx_equal_p instead of == to compare the registers.
        (inherit_piecemeal_p): Take a mode and two register numbers
        as argument.
        (emit_reload_insns): Clear new_spill_reg_store for every hard
        register in the reload register.  Remove spill registers
        from reg_reloaded_valid before considering whether to record
        inheritance information for them.  Use reload_reg_rtx_for_output
        instead of reg_rtx when recording output reloads.  Use
        reload_reg_rtx_for_input instead of reg_rtx when recording
        input reloads.  Set or clear reg_reloaded_call_part_clobbered
        at the same time as setting reg_reloaded_valid.
        (delete_output_reload): Add a new_reload_reg parameter and use it
        instead of rld[j].reg_rtx.
        (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
        calls accordingly.

2008-03-25  Tom Tromey  <tromey@redhat.com>

        * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
        (build/genattr.o): Likewise.
        (build/genattrtab.o): Likewise.
        (build/gencodes.o): Likewise.
        (build/genconfig.o): Likewise.
        (build/genconstants.o): Likewise.
        (build/genemit.o): Likewise.
        (build/genextract.o): Likewise.
        (build/genflags.o): Likewise.

2008-03-25  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
        instead of size_int for integer types.
        (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
        to match type of MINUS_EXPR.

2008-03-25  Tom Tromey  <tromey@redhat.com>

        * configure: Rebuilt.
        * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
        Makefile.

2008-03-25  Tom Tromey  <tromey@redhat.com>

        * config/x-solaris (host-solaris.o): Update.
        * config/x-linux (host-linux.o): Update.
        * config/x-hpux (host-hpux.o): Update.
        * config/x-darwin (host-darwin.o): Update.
        * config/v850/t-v850e (v850-c.o): Update.
        * config/v850/t-v850 (v850-c.o): Update.
        * config/t-vxworks (vxworks.o): Update.
        * config/t-sol2 (sol2-c.o, sol2.o): Update.
        * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
        * config/spu/t-spu-elf (spu-c.o): Update.
        (spu.o): Remove.
        * config/sh/t-symbian (sh-c.o): Update.
        (symbian.o): Update.
        * config/sh/t-sh (sh-c.o): Update.
        * config/score/t-score-elf (score7.o, score3.o): Update.
        * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
        * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
        * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
        * config/rs6000/t-rs6000 (rs6000-c.o): Update.
        (rs6000.o): Remove.
        * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
        * config/m32c/t-m32c (m32c-pragma.o): Update.
        * config/ia64/t-ia64 (ia64-c.o): Update.
        * config/i386/x-mingw32 (host-mingw32.o): Update.
        * config/i386/x-i386 (driver-i386.o): Update.
        * config/i386/x-darwin (host-i386-darwin.o): Update.
        * config/i386/x-cygwin (host-cygwin.o): Update.
        * config/i386/t-nwld (nwld.o): Update.
        * config/i386/t-netware (netware.o): Update.
        * config/i386/t-interix (winnt.o): Update.
        * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
        * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
        msformat-c.o): Update.
        * config/bfin/t-bfin-linux (generated_files): Add
        linux-sysroot-suffix.h.
        * config/arm/t-wince-pe (pe.o): Update.
        * config/arm/t-strongarm-pe (pe.o): Update.
        * config/arm/t-pe (pe.o): Update.
        * config/arm/t-arm (arm-c.o): Update.
        * doc/install.texi (Prerequisites): Require make 3.80.
        * Makefile.in: Remove .o targets.
        (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
        (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
        (simple_generated_h, simple_generated_c): Move earlier.
        (generated_files): New variable.
        (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
        TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
        BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
        ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
        REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
        CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
        CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
        INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
        PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
        TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
        DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
        VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
        (.c.o): Remove.
        (COMPILE.base, COMPILE): New variables.
        (%.o): New pattern rule.
        (ALL_HOST_OBJS): New variable.
        (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
        (dummy-checksum.o, cc1-checksum.o): Remove.
        (DRIVER_SHLIB): New variable.
        (DRIVER_DEFINES): Use it.
        (gencondmd.c): Move out of build/.
        (s-conditions): Update.
        (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
        (ALL_BUILD_OBJS): Likewise.
        (build/%.o): Use BUILDCOMPILE.
        (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
        build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
        build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
        build/gencheck.o, build/gencodes.o, build/genconditions.o,
        build/genconfig.o, build/genconstants.o, build/genemit.o,
        build/genextract.o, build/genflags.o, build/genmddeps.o,
        build/genopinit.o, build/genoutput.o, build/genpeep.o,
        build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
        build/gen-protos.o, build/scan.o, build/fix-header.o,
        build/scan-decls.o): Simplify.
        (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
        cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
        prefix.o, toplev.o): Reduce to variable setting.
        (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
        ($(out_object_file), gcc-options.o): New targets.
        ($(ALL_HOST_OBJS)): New target.  Include dependency files.
        * configure: Rebuilt.
        * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
        * doc/sourcebuild.texi (Front End Directory): Document new variable.

2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>

        * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
        complain when we hit an error, return ERROR_MARK_NODE.

2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>

        * config/sh/constraints.md (Pso, Psz): New constraints.
        * config/sh/sh.c (print_operand): Add %V and %W operand codes.
        * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.

2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>

        * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
        * config/sh/sh.md (xorsi3_movrt, movrt): New insns.

2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>

        * config/sh/sh.md (prefetch): Add condition for SH2A target.
        (prefetch_sh2a): New.

2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
            Naveen.H.S  <naveen.hs@kpitcummins.com>

        * config/sh/constraints.md (I28): New constraint.
        * config/sh/sh.c (broken_move): Add support for movi20s.
        * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.

2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
            Jayant Sonar  <Jayant.sonar@kpitcummins.com>
            Naveen.H.S  <naveen.hs@kpitcummins.com>

        * config/sh/sh.c (SH_ATTRIBUTES): Define.
        (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
        (print_operand): Handle resbank in %@ operand code.
        (sh_encode_section_info): New.
        (push_regs): Add conditions for resbank.
        (sh_expand_epilogue): Likewise.
        (sh_insert_attributes): Likewise.
        (sh_attribute_table): Likewise.
        (sh_handle_resbank_handler_attribute): New.
        (sh2a_handle_function_vector_handler_attribute): New.
        (sh2a_is_function_vector_call): New.
        (sh2a_get_function_vector_number): New.
        (sh2a_function_vector_p): New.
        (sh_cfun_resbank_handler_p): New.
        * config/sh/sh.md (calli): Emit jsr/n if possible.
        (calli_tbr_rel): New.
        (calli_pcrel): Emit jsr/n if possible.
        (return_i): Emit rts/n if possible.
        (call_valuei_tbr_rel): New.
        (call_valuei_pcrel): Add condition for SH2A target.
        (call_value): Likewise.
        * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
        (sh2a_get_function_vector_number): Likewise.
        (sh2a_is_function_vector_call): Likewise.
        * doc/extend.texi: Document TBR relative addressing of SH2A.
        (resbank): Add description for SH2A.

2008-03-24  Richard Guenther  <rguenther@suse.de>

        PR c/22371
        * gimplify.c (gimplify_modify_expr): For frontend type-correct
        pointer assignments change conversions according to middle-end rules.
        (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
        * configure.ac: Include type checking in yes.
        * configure: Regenerate.

2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * diagnostic.c (diagnostic_count_diagnostic): Delete.
        (diagnostic_report_diagnostic): Update. Handle ICEs here.

2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>

        * gthr-vxworks.h (UNUSED): Define.

2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.

2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>

        * doc/extend.texi (Function Attributes): Add missing comma in the
        example of the "alloc_size" attribute.

2008-03-23  Uros Bizjak  <ubizjak@gmail.com>

        Revert:
        2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386-modes.def: Use 4 byte alignment on DI for
        32bit host.

        2008-03-19  Uros Bizjak  <ubizjak@gmail.com>

        PR target/35496
        * stor-layout.c (update_alignment_for_field): Set minimum alignment
        of the underlying type of a MS bitfield layout to the natural
        alignment of the type.

        2008-03-22  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (assign_386_stack_local): Align DImode slots
        to their natural alignment to avoid store forwarding stalls.

2008-03-22  Richard Guenther  <rguenther@suse.de>

        * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
        For PHI nodes verify the address is invariant.
        * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
        (get_symbol_constant_value): Use is_gimple_min_invariant.
        (maybe_fold_stmt_indirect): Likewise.

2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>

        PR rtl-optimization/33927
        * Makefile.in (dse.o): Depend on $(TM_P_H).
        * expr.h (extract_low_bits): Declare.
        * expmed.c (extract_low_bits): New function.
        * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
        * dse.c: Include tm_p.h.
        (find_shift_sequence): Remove the read_reg argument and return the
        read value.  Emit the instructions instead of returning them.
        Iterate on new_mode rather than calculating it each time.
        Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
        source to NEW_MODE and extract_low_bits to convert the shifted
        value to READ_MODE.
        (replace_read): Allow the load and store to have different mode
        classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
        or extraction instructions before trying the replacement.  Update
        dump-file code accordingly, avoiding use of REGNO (store_info->rhs).

2008-03-22  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (assign_386_stack_local): Align DImode slots
        to their natural alignment to avoid store forwarding stalls.

2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR target/27946
        * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
        encouraging but not allowing gprs for input;
        change the input constraint to !f#r.
        (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
        gprs for output;
        change the output constraint to !f#r.

2008-03-21  Uros Bizjak  <ubizjak@gmail.com>

        PR target/13958
        * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
        corresponding post-reload splitters.
        ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
        when x87 FP math is selected.
        * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
        New function prototype.
        * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
        unreachable function to ease macroization of insn patterns.

2008-03-21  Martin Jambor  <mjambor@suse.cz>

        * tree-data-ref.c (dump_data_dependence_relation): Avoid data
        reference dumps if ddr is NULL or dependence is unknown.

2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
        unsigned extension into account.
        (ATOMIC_COMPARE_AND_SWAP): Likewise.
        (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
        Do computations on a scratch register.

2008-03-21  Richard Guenther  <rguenther@suse.de>

        * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
        Use is_gimple_min_invariant instead of TREE_INVARIANT.
        * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
        * tree-ssa-dom.c (record_equality): Likewise.
        * tree-inline.c (copy_body_r): Likewise.
        * tree-ssa-pre.c (make_values_for_stmt): Remove test for
        TREE_INVARIANT.

2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (split_branches): Pass zero to redirect_jump
        as 'delete_unused' argument.

2008-03-20  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
        special casing of constant qualifiers.
        * tree-ssa.c (useless_type_conversion_p_1): Instead do not
        care about them in general.
        * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
        regardless of their type.
        (fold_stmt_r): Forcefully fold *& if we end up with that.

2008-03-20  Paul Brook  <paul@codesourcery.com>

        * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
        * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
        linker flags.
        * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
        definition.
        (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
        * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.

2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>

        * common.opt (Wmudflap): New option.
        * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
        (mx_register_decls): Likewise.
        (mudflap_finish_file): Likewise.
        * doc/invoke.texi: Document -Wno-mudflap.

2008-03-20  Kai Tietz  <kai.tietz@onevision.com>

        * c-format.c (replace_format_name_to_system_name): New.
        (cmp_attribs): New.
        (convert_format_name_to_system_name): New.
        (decode_format_attr): Add use of convert_format_name_to_system_name.
        (format_types_orig): Add gnu_ prefix to names.
        (check_format_info_main): Special treating of \0 escaped names for
        supporting multi-character format specifiers as I32, I64.
        (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
        (gnu_target_overrides_format_attributes): New.
        * c-format.h: Add structure target_ovr_attr to hold
        system specific formatter names.
        * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
        msformat-c.o file to c_target_objs and cxx_target_objs.
        * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
        (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
        (TARGET_N_FORMAT_TYPES): New.
        * config/i386/msformat-c.c: New.
        * config/i386/t-cygming: Add build rule for msformat-c.o.
        * doc/extend.texi: Add new format names gnu_* and ms_* and
        further details.
        * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.

2008-03-20  Ira Rosen  <irar@il.ibm.com>

        * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
        optimizations turned on under -O3.
        (ftree-vectorize): Add that the flag is turned on with -O3.

2008-03-20  Ben Elliston  <bje@au.ibm.com>

        * regmove.c (try_auto_increment): Fix spelling error in comment.
        * final.c (final_scan_insn): Likewise.

2008-03-20  Uros Bizjak  <ubizjak@gmail.com>

        PR target/14552
        * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
        allocator preferences for "y" and "r" class registers.
        ("*mov<mode>_internal"): Ditto.
        ("*movv2sf_internal_rex64"): Ditto.
        ("*movv2sf_internal"): Ditto.

2008-03-19  Michael Matz  <matz@suse.de>

        PR middle-end/35616
        * calls.c (expand_call): Check overlap of arguments with call
        address for sibcalls.

2008-03-19  Uros Bizjak  <ubizjak@gmail.com>

        PR target/35496
        * stor-layout.c (update_alignment_for_field): Set minimum alignment
        of the underlying type of a MS bitfield layout to the natural
        alignment of the type.

2008-03-19  Jan Hubicka  <jh@suse.cz>

        PR other/35094
        * toplev.c (decode_d_option): Handle all CPP flags.
        * tree-vrp.c: Update tree_pass descriptors.
        * regrename.c: Update tree_pass descriptors.
        * fwprop.c: Update tree_pass descriptors.
        * doc/invoke.texi: Remove documentation of dropped -d? flags.
        * tree-into-ssa.c: Update tree_pass descriptors.
        * tree-dump.c: Update tree_pass descriptors.
        * tree-complex.c: Update tree_pass descriptors.
        * tree-dump.h: Update tree_pass descriptors.
        * see.c: Update tree_pass descriptors.
        * cgraphbuild.c: Update tree_pass descriptors.
        * tracer.c: Update tree_pass descriptors.
        * tree-loop-distribution.c: Update tree_pass descriptors.
        * cgraph.c: Update tree_pass descriptors.
        * postreload-gcse.c: Update tree_pass descriptors.
        * postreload.c: Update tree_pass descriptors.
        * tree-ssa-loop-ch.c: Update tree_pass descriptors.
        * tree-tailcall.c: Update tree_pass descriptors.
        * tree-pass.h (tree_opt_pass): Rename to ...
        (opt_pass) ... this one; add "type" field and remove letter field.
        (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
        (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
        all_lowering_passes): Update declaration.
        * ipa-cp.c: Update tree_pass descriptors.
        * final.c: Update tree_pass descriptors.
        * omp-low.c: Update tree_pass descriptors.
        * tree-ssa-dse.c: Update tree_pass descriptors.
        * ipa-reference.c: Update tree_pass descriptors.
        * tree-ssa-uncprop.c: Update tree_pass descriptors.
        * auto-inc-dec.c: Update tree_pass descriptors.
        * reorg.c: Update tree_pass descriptors.
        * cgraphunit.c: Update tree_pass descriptors.
        * tree-ssa-copyrename.c: Update tree_pass descriptors.
        * tree-ssa-ccp.c: Update tree_pass descriptors.
        * df-core.c: Update tree_pass descriptors.
        * mode-switching.c: Update tree_pass descriptors.
        * tree-nomudflap.c: Update tree_pass descriptors.
        * modulo-sched.c: Update tree_pass descriptors.
        * ipa-pure-const.c: Update tree_pass descriptors.
        * cse.c: Update tree_pass descriptors.
        * web.c: Update tree_pass descriptors.
        * tree-stdarg.c: Update tree_pass descriptors.
        * tree-ssa-math-opts.c: Update tree_pass descriptors.
        * tree-ssa-dom.c: Update tree_pass descriptors.
        * tree-nrv.c: Update tree_pass descriptors.
        * tree-ssa-alias.c: Update tree_pass descriptors.
        * loop-init.c: Update tree_pass descriptors.
        * gimple-low.c: Update tree_pass descriptors.
        * ipa-inline.c: Update tree_pass descriptors.
        * tree-ssa-sink.c: Update tree_pass descriptors.
        * global.c: Update tree_pass descriptors.
        * ifcvt.c: Update tree_pass descriptors.
        * jump.c: Update tree_pass descriptors.
        * predict.c: Update tree_pass descriptors.
        * tree-ssa-loop.c: Update tree_pass descriptors.
        * recog.c: Update tree_pass descriptors.
        * dse.c: Update tree_pass descriptors.
        * tree-ssa-ifcombine.c: Update tree_pass descriptors.
        * tree-eh.c: Update tree_pass descriptors.
        * regmove.c: Update tree_pass descriptors.
        * local-alloc.c
        * function.c: Update tree_pass descriptors.
        * tree-vectorizer.c: Update tree_pass descriptors.
        * gcse.c: Update tree_pass descriptors.
        * ipa-type-escape.c: Update tree_pass descriptors.
        * tree-if-conv.c: Update tree_pass descriptors.
        * init-regs.c: Update tree_pass descriptors.
        * ipa.c: Update tree_pass descriptors.
        * tree-ssa-phiopt.c: Update tree_pass descriptors.
        * rtl-factoring.c: Update tree_pass descriptors.
        * lower-subreg.c: Update tree_pass descriptors.
        * bt-load.c: Update tree_pass descriptors.
        * tree-dfa.c: Update tree_pass descriptors.
        * except.c: Update tree_pass descriptors.
        * emit-rtl.c: Update tree_pass descriptors.
        * cfgexpand.c: Update tree_pass descriptors.
        * tree-cfgcleanup.c: Update tree_pass descriptors.
        * cfgcleanup.c: Update tree_pass descriptors.
        * tree-ssa-pre.c: Update tree_pass descriptors.
        * tree-sra.c: Update tree_pass descriptors.
        * tree-mudflap.c: Update tree_pass descriptors.
        * tree-ssa-copy.c: Update tree_pass descriptors.
        * cfglayout.c: Update tree_pass descriptors.
        * tree-ssa-forwprop.c: Update tree_pass descriptors.
        * tree-ssa-dce.c: Update tree_pass descriptors.
        * tree-ssa.c: Update tree_pass descriptors.
        * regclass.c: Update tree_pass descriptors.
        * integrate.c: Update tree_pass descriptors.
        * tree-optimize.c: Update tree_pass descriptors.
        * tree-ssa-phiprop.c: Update tree_pass descriptors.
        * tree-object-size.c: Update tree_pass descriptors.
        * combine.c: Update tree_pass descriptors.
        * tree-outof-ssa.c: Update tree_pass descriptors.
        * bb-reorder.c: Update tree_pass descriptors.
        * stack-ptr-mod.c: Update tree_pass descriptors.
        * var-tracking.c: Update tree_pass descriptors.
        * tree-profile.c: Update tree_pass descriptors.
        * tree-vect-generic.c: Update tree_pass descriptors.
        * reg-stack.c: Update tree_pass descriptors.
        * sched-rgn.c: Update tree_pass descriptors.
        * tree-ssa-structalias.c: Update tree_pass descriptors.
        * tree-cfg.c: Update tree_pass descriptors.
        * passes.c (current_pass): Update declaration.
        (finish_optimization_passes): Update.
        (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
        (register_one_dump_file, register_dump_files_1, next_pass_1):
        Update arguments.
        (init_optimization_passes): Update handling of new types.
        (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
        * ipa-struct-reorg.c: Update tree_pass descriptors.
        * tree-ssa-reassoc.c: Update tree_pass descriptors.
        * combine-stack-adj.c: Update tree_pass descriptors.
        * cfgrtl.c: Update tree_pass descriptors.
        * dce.c: Update tree_pass descriptors.
        * tree-ssanames.c: Update tree_pass descriptors.

2008-03-19  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35609
        * tree-ssa.c (walk_data): New structure.
        (warn_uninitialized_var): If not always_executed warn with "maybe"
        instead of "is".
        (execute_early_warn_uninitialized): Compute post-dominators.
        Initialize always_executed before processing each basic block.

2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>

        PR target/35504
        * config/i386/i386.c (x86_this_parameter): Calculate correct location
        of "this" pointer when "regparm = N" or "fastcall" is in effect.

2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/include/texinfo.tex: Update to version 2008-03-17.10.

2008-03-18  Paolo Bonzini  <bonzini@gnu.org>

        * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
        is true.
        (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
        (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
        is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
        target after ignore has been set, and move there also the commputation
        of subtarget and original_target.
        * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
        (LANG_HOOKS_INITIALIZER): Remove it.
        * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.

2008-03-18  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
        found an expression with constants, note that in the VN for the lhs.
        * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
        fold them to constants if possible.  Run cleanup_cfg if done so.
        (execute_pre): Return todo.
        (do_pre): Likewise.
        (execute_fre): Likewise.
        * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
        of constants.
        (get_prop_source_stmt): Look through pointer conversions.

2008-03-18  Jan Hubicka  <jh@suse.cz>

        * tree-pretty-print.c: Include predict.h.
        (dump_generic_node): Dump predictor.
        * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
        * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
        * gimple-low.c (lower_stmt): Likewise.
        * expr.c (expand_expr_real): Likewise.
        * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
        them.
        (build_predict_expr, build_predict_expr): New.
        * predict.h (predictor_name, build_predict_expr): Update.
        * c-typeck.c (c_finish_bc_stmt): Add prediction.
        * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
        * predict.def (PRED_CONTINUE): Update hitrate.
        * tree.def (PREDICT_EXPR): Define.
        * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
        do not handle BIND_EXPR.
        * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
        * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
        * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
        operands.

2008-03-18  Michael Matz  <matz@suse.de>

        * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.

2008-03-18  Richard Guenther  <rguenther@suse.de>

        * tree-gimple.h (is_gimple_invariant_address): Declare.
        (is_gimple_constant): Likewise.
        * tree-gimple.c (is_gimple_constant): New function.
        (is_gimple_invariant_address): Likewise.
        (is_gimple_min_invariant): Implement in terms of is_gimple_constant
        and is_gimple_invariant_address.
        * tree-ssa-loop-niter.c (expand_simple_operations): Revert
        previous change.
        * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
        an addressable base.

2008-03-18  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/35611
        * gimplify.c (gimplify_expr): Gimplify second operand of
        OMP_ATOMIC_LOAD.

2008-03-17  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/19637
        * fold-const.c (fold_unary): Remove restrictions of removing
        intermediate pointer-conversions (P2)(P1)P0.
        * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
        conversion to void pointer.
        (get_maxval_strlen): Handle addresses of the form &(*p)[0].

2008-03-16  James E. Wilson  <wilson@tuliptree.org>

        PR debug/31510
        * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
        emulated thread local variables.

2008-03-16  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35607
        * tree-ssa-loop-niter.c (expand_simple_operations): Do not
        expand TREE_INVARIANT operations that are not gimple invariant.

2008-03-16  Hans-Peter Nilsson  <hp@axis.com>

        * doc/extend.texi (Alignment): Say that the ABI controls
        the __alignof__ for non-strict-alignment targets rather
        than being a recommendation.

2008-03-15  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
        annotations.
        (arm_output_fn_unwind): Mark functions that can not be unwound.

2008-03-15  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
        extension instructions.

2008-03-15  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-ccp.c (ccp_fold): Also read from constant values
        and fold constant aggregate refs.
        (fold_const_aggregate_ref): Handle string constants
        and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
        (evaluate_stmt): Simplify now that ccp_fold folds constant
        aggregate refs.

2008-03-15  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
        (extzv): Use gen_extzv_t2.
        (insv_t2, insv_zero, extv, extzv_t2): New patterns.

2008-03-15  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-ccp.c (get_symbol_constant_value): Export.
        (fold_const_aggregate_ref): Likewise.
        (get_value): Return NULL if we don't have any values.
        (ccp_finalize): Set const_val to NULL after freeing it.
        * tree-flow.h (get_symbol_constant_value): Declare.
        (fold_const_aggregate_ref): Likewise.
        * tree-ssa-sccvn.c (try_to_simplify): Use them.

2008-03-15  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35593
        * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
        to not produce negative array indices if not allowed.  Add
        parameter to indicate that.
        (maybe_fold_offset_to_component_ref): Allow negative array
        indices only for the first member of a structure.
        (maybe_fold_offset_to_reference): Allow negative array indices.
        (maybe_fold_stmt_addition): Likewise.

2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
            Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.c (avr_arch_types): Add avr6 entry.
        (avr_arch): Add ARCH_AVR6.
        (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
        (initial_elimination_offset): Initialize and use 'avr_pc_size'
        instead of fixed value 2.
        (print_operand_address): Use gs() asm specifier instead of pm().
        (avr_assemble_integer): (Ditto.).
        (avr_output_addr_vec_elt): (Ditto.).
        (print_operand): Handle "!" code.
        * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
        __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
        (AVR_HAVE_EIJMP_EICALL): Define.
        (AVR_3_BYTE_PC): Redefine.
        (AVR_2_BYTE_PC): (Ditto.).
        (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
        (LINK_SPEC): Add atmega2560 and atmega2561.
        (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
        (crtm2561.o).
        * config/avr/avr.md (call_insn): Use eicall instead of icall
        for 3 byte PC devices.
        (call_value_insn): (Ditto.).
        (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
        (indirect_jump): Use only for for 2 byte PC devices.
        (*tablejump): (Ditto.).
        (*indirect_jump_avr6): Add insn.
        (*tablejump_rjmp): Don't use for 3 byte PC devices.
        * config/avr/libgcc.S (__prologue_saves__): Use eijmp
        instead of ijmp for 3 byte PC devices.
        (__tablejump2__): (Ditto.).
        * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
        (MULITLIB_DIRNAMES): (Ditto.).
        (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.

2008-03-15  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
        "sse2_umulsidi3".  Use V1DI mode for operand 0.
        ("mmx_psadbw"): Use V1DI mode for operand 0.
        * config/i386/i386-modes.def (V1SI): New vector mode.
        * config/i386/i386.c (struct builtin_description)
        [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
        (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
        (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
        (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
        v1di_ftype_v8qi_v8qi type.
        [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.

        * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
        __builtin_ia32_pmuludq]: Fix the mode of return value.

2008-03-15  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35595
        * tree-ssa-pre.c (bitmap_find_leader): Handle expression
        being a PHI_NODE.

2008-03-14  Bob Wilson  <bob.wilson@acm.org>

        * doc/invoke.texi (Option Summary, Xtensa Options): Document
        -mserialize-volatile and -mno-serialize-volatile Xtensa options.
        * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
        unless TARGET_SERIALIZE_VOLATILE is enabled.
        * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
        * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
        * config/xtensa/xtensa.opt (mserialize_volatile): New option.

2008-03-14  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/34172
        * tree-flow.h (refs_may_alias_p): Declare.
        (get_single_def_stmt): Likewise.
        (get_single_def_stmt_from_phi): Likewise.
        (get_single_def_stmt_with_phi): Likewise.
        * tree-dfa.c (refs_may_alias_p): New function.
        (get_single_def_stmt): Likewise.
        (get_single_def_stmt_from_phi): Likewise.
        (get_single_def_stmt_with_phi): Likewise.
        * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
        (vn_reference_lookup_1): New helper function.
        (vn_reference_lookup): Walk the virtual use-def chain to
        continue searching for a match if the def does not alias the
        reference we are looking for.

2008-03-14  David Edelsohn  <edelsohn@gnu.org>

        * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
        archive and Perzl.  Update The Written Word listing.

2008-03-14  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/34043
        PR tree-optimization/33989
        * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
        when doing FRE.
        (bitmap_find_leader): Use extra argument to verify dominance
        relationship inside a basic-block.
        (can_PRE_operation): Add VIEW_CONVERT_EXPR.
        (find_leader_in_sets): Adjust.
        (create_component_ref_by_pieces): Take extra argument for
        dominance check, handle lookup failures.
        (find_or_generate_expression): Likewise.
        (create_expression_by_pieces): Likewise.
        (insert_into_preds_of_block): Adjust.
        (create_value_expr_from): If asked for, verify all operands
        are in the blocks AVAIL_OUT set.
        (make_values_for_stmt): Check for SSA_NAMEs that are life
        over an abnormal edge.
        (compute_avail): Remove such check.
        (do_SCCVN_insertion): New function.
        (eliminate): If we do not find a leader suitable for replacement
        insert a replacement expression from SCCVN if available.
        * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
        (struct vn_ssa_aux): Add needs_insertion flag.
        * tree-ssa-sccvn.c (may_insert): New global flag.
        (copy_reference_ops_from_ref): Value-number union member access
        based on its size, not type and member if insertion is allowed.
        (visit_reference_op_load): For a weak match from union type
        punning lookup a view-converted value and insert a SSA_NAME
        for that value if that is not found.
        (visit_use): Make dumps shorter.  Do not disallow value numbering
        SSA_NAMEs that are life over an abnormal edge to constants.
        (free_scc_vn): Release inserted SSA_NAMEs.
        (run_scc_vn): New flag to specify whether insertion is allowed.
        Process SSA_NAMEs in forward order.
        * tree-ssa-loop-im.c (for_each_index): Handle invariant
        ADDR_EXPRs inside VIEW_CONVERT_EXPR.
        * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
        pointer type to/from integral types that do not change the
        precision to regular conversions.

2008-03-13  Uros Bizjak  <ubizjak@gmail.com>

        * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
        __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
        __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
        __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
        input arguments and the mode of return value.  Built-in functions
        that operate on whole 64-bit MMX register now use V1DI mode.

2008-03-13  Alon Dayan  <alond@il.ibm.com>
            Olga Golovanevsky  <olga@il.ibm.com>

        PR tree-optimization/35041
        * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
        to locate the right position in a statement.

2008-03-13  Uros Bizjak  <ubizjak@gmail.com>

        PR target/34000
        PR target/35553
        * config/i386/xmmintrin.h:  Change all static inline functions to
        extern inline and add __gnu_inline__ attribute.
        * config/i386/bmintrin.h: Ditto.
        * config/i386/smmintrin.h: Ditto.
        * config/i386/tmmintrin.h: Ditto.
        * config/i386/mmintrin-common.h: Ditto.
        * config/i386/ammintrin.h: Ditto.
        * config/i386/emmintrin.h: Ditto.
        * config/i386/pmmintrin.h: Ditto.
        * config/i386/mmintrin.h: Ditto.
        * config/i386/mm3dnow.h: Ditto.

2008-03-13  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/35185
        * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
        (lower_omp_2): New function.
        (lower_omp_1, lower_omp): Rewritten.

2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>

        PR 35054
        * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
        with the phrase "Microsoft Windows compilers".
        (Push/Pop Macro Pragmas): New subsection. Document
        #pragma push_macro and pragma pop_macro.

2008-03-12  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.

2008-03-12  Paul Brook  <paul@codesourcery.com>

        * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
        (thumb2_alusi3_short): Exclude PLUS and MINUS.
        (thumb2_addsi_shortim): Rename ...
        (thumb2_addsi_short): ... to this.  Allow register operands.
        (thumb2_subsi_short): New pattern.
        (thumb2_one_cmplsi2_short,
        thumb2_negsi2_short): New patterns and peepholes.

2008-03-12  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.

2008-03-12  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (int_cond): New code iterator.
        (fp_cond): Ditto.
        ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
        sge, sgeu, sle and sleu expanders usign int_cond code iterator.
        ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
        sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
        ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
        bge, bgeu, ble and bleu expanders usign int_cond code iterator.
        ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
        bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.

2008-03-12  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
        instead of {arm,thumb}_compute_save_reg_mask.
        (output_return_instruction): Ditto.
        (thumb_unexpanded_epilogue): Ditto.
        (thumb1_expand_prologue): Ditto.
        (thumb1_output_function_prologue): Ditto.
        (arm_set_return_address): Ditto.
        (thumb_set_return_address): Ditto.
        (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
        regs to achieve stack alignment.
        (thumb1_compute_save_reg_mask): Fix compiler warning.
        (arm_output_epilogue): Use offsets->saved_regs_mask.
        Adjust stack pointer by poping call clobered registers.
        (arm_expand_prologue): Use offsets->saved_regs_mask.
        Adjust stack pointer by pushing extra registers.
        * config/arm.h (arm_stack_offsets): Add saved_regs_mask.

2008-03-12  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-opt/35422
        * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
        conversion to the operands of a multiplication.

2008-03-12  Richard Guenther  <rguenther@suse.de>

        * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
        (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
        * timevar.def (TV_TREE_PHIPROP): Add.
        * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
        pass description.  Use TV_TREE_PHIPROP.
        * tree-ssa-forwprop.c: Remove phiprop code.

2008-03-12  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/35549
        * omp-low.c (maybe_lookup_decl): Constify first argument.
        (use_pointer_for_field): Change last argument from bool to
        omp_context *.  Disallow shared copy-in/out in nested
        parallel if decl is shared in outer parallel too.
        (build_outer_var_ref, scan_sharing_clauses,
        lower_rec_input_clauses, lower_copyprivate_clauses,
        lower_send_clauses, lower_send_shared_vars): Adjust callers.

2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
            Ira Rosen  <irar@il.ibm.com>

        * tree-vectorizer.c (free_stmt_vec_info): New function.
        (destroy_loop_vec_info): Move code to free_stmt_vec_info().
        Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
        * tree-vectorizer.h (free_stmt_vec_info): Declare.
        * tree-vect-transform.c (vectorizable_conversion): Free
        vec_oprnds0 if it was allocated.
        (vect_permute_store_chain): Remove unused VECs.
        (vectorizable_store): Free VECs that are allocated in the..
        function.
        (vect_transform_strided_load, vectorizable_load): Likewise.
        (vect_remove_stores): Simplify the code.
        (vect_transform_loop): Move code to vect_remove_stores().
        Call vect_remove_stores() and free_stmt_vec_info().

2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
        TARGET_HPUX.  Revise comment.
        (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
        * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
        Use sr4 variant of `be' instruction when not generating PIC code.
        (attr_length_call): Adjust for above change.

2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * ipa-reference.c (static_execute): Remove module_statics_const and
        associated setting code.

2008-03-11  Uros Bizjak  <ubizjak@gmail.com>

        PR target/35540
        * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
        predicate for operand 1.
        (paritysi2_cmp): Use register_operand predicate for operand 2.
        Use earlyclobber modifier for operand 1.  Remove support for
        memory operands.
        (paritydi2_cmp): Use register_operand predicate for operand 3.
        Use earlyclobber modifier for operand 1.  Remove support for
        memory operands.

2008-03-11  Paul Brook  <paul@codesourcery.com>
            Vladimir Prus  <vladimir@codesourcery.com>

        * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
        (arm_compute_save_reg0_reg12_mask): Always
        check if register 11 must be saved.  Always safe hard frame pointer
        when frame_pointer_needeed.
        (arm_compute_save_reg_mask): Save IP and PC
        only with apcs frames.
        (arm_output_epilogue): Adjust Thumb2 codepath to
        be also invoked and work for ARM non-apcs frames.
        (arm_expand_prologue): Don't bother saving IP
        for non-apcs frame, since it's not clobbered by
        prologue code.  Implement non-apcs frame
        layout.

2008-03-11  Paolo Bonzini  <bonzini@gnu.org>

        PR rtl-optimization/35281
        * expr.c (convert_move): Use a new pseudo for the intermediate
        from_mode->word_mode result.

2008-03-11  Paolo Bonzini  <bonzini@gnu.org>

        * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
        * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
        * toplev.c (compile_file): Don't call it.

2008-03-11  Uros Bizjak  <ubizjak@gmail.com>

        PR middle-end/35526
        * expr.c (store_expr): Call emit_block_move if the mode
        of "temp" RTX is BLKmode.

2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
            Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/31358
        * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
        the step with a NULL_TREE.
        * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
        to sizetype if type is a pointer type.
        (add_candidate_1): Don't convert the base and step to
        the generic type if the orginal type is a pointer type.
        (add_iv_value_candidates): Use sizetype for the step
        if type is a pointer type.
        (cand_value_at): Likewise.
        * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
        for pointer types.
        * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
        Don't convert the tem affine to the type.
        (add_elt_to_tree): Use sizetype for the step if a pointer.
        Use POINTER_PLUS_EXPR for pointers.
        (aff_combination_to_tree): Use sizetype for the step if a
        pointer.

2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>

        * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
        Remove commutativity hint.

2008-03-10  Jakub Jelinek  <jakub@redhat.com>

        PR c/35438
        PR c/35439
        * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
        errorneous type.  Check that v is a VAR_DECL.

        PR middle-end/35099
        * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.

2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>

        PR tree-optimization/35494
        * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
        may be overriden at link and run time.

2008-03-10  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/34677
        * tree-ssa-pre.c (modify_expr_node_pool): Remove.
        (poolify_tree): Likewise.
        (modify_expr_template): Likewise.
        (poolify_modify_stmt): Likewise.
        (insert_fake_stores): Handle all component-ref style stores
        in addition to INDIRECT_REF.  Also handle complex types.
        Do not poolify the inserted load.
        (realify_fake_stores): Do not rebuild the tree but only
        make it a SSA_NAME copy.
        (init_pre): Remove initialzation of modify_expr_template.
        Do not allocate modify_expr_node_pool.
        (fini_pre): Do not free modify_expr_node_pool.

2008-03-10  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
        to avoid conflicts.

2008-03-10  Paul Brook  <paul@codesourcery.com>
            Mark Shinwell  <shinwell@codesourcery.com>

        * config/arm/cortex-r4.md: New.
        * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
        insn attributes.
        * config/arm/arm.md: Include cortex-r4.md.
        (insn): Add smmls, sdiv and udiv values.
        (generic_sched): Don't use generic scheduling for Cortex-R4.
        (arm_issue_rate): New function.
        (TARGET_SCHED_ISSUE_RATE): Define.

2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>

        * doc/invoke.texi (-ftree-loop-distribution): Add an example.

2008-03-10  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-pre.c (get_sccvn_value): Simplify.
        (compute_avail): Do not add stmt uses to AVAIL_OUT.

2008-03-10  Paolo Bonzini  <bonzini@gnu.org>

        * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
        Set default to true.

2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * c.opt (Wsynth): Deprecate.
        * doc/invoke.texi (Option Summary, Warning Options): Document
        -Wno-format-contains-nul.

2008-03-09  Uros Bizjak  <ubizjak@gmail.com>

        PR target/35496
        * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
        ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.

2008-03-09  Ira Rosen  <irar@il.ibm.com>

        * config/rs6000/rs6000.c (builtin_description): Rename vector
        left shift operations.
        * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
        (altivec_vsl<VI_char>): Rename to ...
        (ashl<mode>3): ... new name.
        (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
        gen_ashlv4si3.
        (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.

2008-03-08  Richard Guenther  <rguenther@suse.de>

        * coverage.h (tree_coverage_counter_addr): Declare.
        * coverage.c (tree_coverage_counter_addr): New function.
        * tree-profile.c (tree_gen_edge_profiler): Unshare counter
        before using again.
        (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
        (tree_gen_one_value_profiler): Likewise.
        (tree_gen_ic_profiler): Likewise.
        (tree_gen_average_profiler): Likewise.
        (tree_gen_ior_profiler): Likewise.

2008-03-08  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
        (vn_binary_op_insert): Likewise.
        (vn_unary_op_lookup): Likewise.
        (vn_unary_op_insert): Likewise.
        (vn_nary_op_lookup): Declare.
        (vn_nary_op_insert): Likewise.
        * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
        and binary hashes, use a single obstack for unary_op_pool
        and binary_op_pool.
        (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
        a single struct vn_nary_op_s.  Store tree code length and
        a variable number of operands.
        (struct vn_reference_op_struct): Remove unused op2.
        (vn_reference_op_eq): Do not compare op2.
        (vn_reference_op_compute_hash): Do not compute hash of op2.
        (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
        (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
        with vn_nary_op_compute_hash.
        (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
        (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
        vn_nary_op_lookup.
        (vn_unary_op_insert, vn_binary_op_insert): Replace with
        vn_nary_op_insert.
        (visit_unary_op): Call nary functions.
        (visit_binary_op): Likewise.
        (process_scc): Adjust for struct vn_tables_s changes.
        (allocate_vn_table): Likewise.
        (free_vn_table): Likewise.
        * tree-vn.c (vn_add): Call nary functions.
        (vn_lookup): Likewise.

2008-03-08  Jakub Jelinek  <jakub@redhat.com>

        PR target/35498
        * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
        wdst back after sync_compare_and_swapqhi_internal.

2008-03-08  Uros Bizjak  <ubizjak@gmail.com>

        PR target/22152
        * config/i386/i386-modes.def (V1DI): New vector mode.
        * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
        * config/i386/mmx.md (MMXMODEI8): New mode iterator.
        (MMXMODE248): Ditto.
        (MMXMODE): Add V1DI mode.
        (mmxvecsize): Change DI mode to V1DI mode.
        ("mov<mode>): Use MMXMODEI8 mode iterator.
        ("*mov<mode>_internal_rex64"): Ditto.
        ("*mov<mode>_internal"): Ditto.
        ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
        ("mmx_sub<mode>3"): Ditto.
        ("mmx_adddi3"): Remove insn pattern.
        ("mmx_subdi3"): Ditto.
        ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
        ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
        ("mmx_ashl<mode>3"): Ditto.
        ("mmx_lshrdi3"): Remove insn pattern.
        ("mmx_ashldi3"): Ditto.
        * config/i386/i386.c (classify_argument): Handle V1DImode.
        (function_arg_advance_32): Ditto.
        (function_arg_32): Ditto.
        (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
        mmx_addv1di3 insn pattern.
        [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
        [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
        IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
        IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
        Remove definitions of built-in functions.
        (V1DI_type_node): New node.
        (v1di_ftype_v1di_int): Ditto.
        (v1di_ftype_v1di_v1di): Ditto.
        (v2si_ftype_v2si_si): Ditto.
        (v4hi_ftype_v4hi_di): Remove node.
        (v2si_ftype_v2si_di): Ditto.
        (ix86_init_mmx_sse_builtins): Handle V1DImode.
        (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
        Redefine builtins using def_builtin_const with *_ftype_*_int node.
        (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
        Add new builtins using def_builtin_const.
        (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
        IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
        IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
        * config/i386/mmintrin.h (__v1di): New typedef.
        (_mm_add_si64): Cast arguments to __v1di type.
        (_mm_sub_si64): Ditto.
        (_mm_sll_pi16): Cast __count to __v4hi type.
        (_mm_sll_pi32): Cast __count to __v2si type.
        (_mm_sll_si64): Cast arguments to __v1di type.
        (_mm_srl_pi16): Cast __count to __v4hi type.
        (_mm_srl_pi32): Cast __count to __v2si type.
        (_mm_srl_si64): Cast arguments to __v1di type.
        (_mm_sra_pi16): Cast __count to __v4hi type.
        (_mm_sra_pi32): Cast __count to __v2si type.
        (_mm_slli_pi16): Use __builtin_ia32_psllwi.
        (_mm_slli_pi32): Use __builtin_ia32_pslldi.
        (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
        (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
        (_mm_srli_pi32): Use __builtin_ia32_psrldi.
        (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
        (_mm_srai_pi16): Use __builtin_ia32_psrawi.
        (_mm_srai_pi32): Use __builtin_ia32_psradi.
        * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
        * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
        __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
        __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.

2008-03-07  Joseph Myers  <joseph@codesourcery.com>

        * doc/include/texinfo.tex: Update to version 2008-03-07.10.

2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>

        PR target/35373
        * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
        reg+const addressing for Altivec modes.  Don't generate reg+reg
        addressing for TFmode or TDmode quantities.

2008-03-07  Paolo Bonzini  <bonzini@gnu.org>

        * c-common.c (vector_types_convertible_p): Call langhook
        instead of comptypes.

2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR tree-opt/35402
        * tree-ssa-ccp.c (get_symbol_constant_value): Handle
        integral and scalar float variables which have a
        NULL DECL_INITIAL.

2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>

        * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
        dwarf_register_span hook when emitting unwind information for
        register-to-memory saves.
        * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
        (rs6000_frame_related): Remove call to spe_synthesize_frame.

2008-03-06  Jakub Jelinek  <jakub@redhat.com>

        * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
        for the same VAR_DECL.

2008-03-06  Tom Tromey  <tromey@redhat.com>

        * treelang: Delete.
        * doc/standards.texi (Standards): Don't mention treelang.
        * doc/invoke.texi (Overall Options): Don't mention treelang.
        * doc/install.texi (Prerequisites): Don't mention bison or
        treelang.
        (Configuration): Don't mention treelang.
        (Building): Likewise.
        * doc/frontends.texi (G++ and GCC): Don't mention treelang.

2008-03-06  Paolo Bonzini  <bonzini@gnu.org>

        * simplify-rtx.c (simplify_subreg): Remove useless shifts from
        word-extractions out of a multi-word object.

2008-03-06  Richard Guenther  <rguenther@suse.de>

        * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
        * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
        result type and precision.
        * expr.c (get_inner_reference): Set unsignedp based on the result
        type of BIT_FIELD_REF.
        * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
        * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
        (try_instantiate_multiple_fields): Likewise.  Use the correct type
        for BIT_FIELD_REF.
        (sra_build_assignment): Likewise.
        (sra_build_elt_assignment): Likewise.
        (sra_explode_bitfield_assignment): Likewise.
        * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
        * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
        set BIT_FIELD_REF_UNSIGNED.
        (vectorizable_load): Likewise.

2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>

        * cse.c (cse_extended_basic_block): Invalidate artificial defs
        at bb start.

2008-03-06  Richard Guenther  <rguenther@suse.de>

        * alias.c (struct alias_set_entry): Move has_zero_child field
        to pack with alias_set.

2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386-modes.def: Use 4 byte alignment on DI for
        32bit host.

2008-03-05  Ian Lance Taylor  <iant@google.com>

        * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.

2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>

        * fwprop.c (update_df): Support width and offset parameters of
        df_ref_create.
        * ra-conflict.c (mark_reg_store, clear_reg_in_live,
        global_conflicts): Change DF_REF_EXTRACT to either
        DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
        DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
        * df-scan.c (df_ref_record, df_defs_record,
        df_ref_create_structure, df_def_record_1, df_uses_record,
        df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
        df_bb_refs_collect, df_entry_block_defs_collect,
        df_exit_block_uses_collect): Support new width and offset fields.
        (ref_extract_pool): New storage pool.
        (df_free_ref): New function.
        (df_reg_chain_unlink, df_free_collection_rec,
        df_sort_and_compress_refs): Call df_free_ref.
        (df_ref_equal_p, df_ref_compare): Compare offset and width fields
        of df_ref_extract.
        (df_ref_create_structure): Allocate df_ref_extract if offset and
        width fields are used.
        (df_def_record_1): Get offset and width from ZERO_EXTRACT.
        (df_uses_record): Get offset and width from ZERO_EXTRACT
        and SIGN_EXTRACT.
        * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
        DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
        DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
        * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
        DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
        DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
        (df_ref_extract): New structure.
        (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
        (df_ref_create): Add width and offset parameters.

2008-03-05  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (get_constraint_for_component_ref):
        Use ranges_overlap_p.
        (offset_overlaps_with_access): Rename
        to ranges_overlap_p and move ...
        * tree-flow-inline.h (ranges_overlap_p): ... here.

        * tree.h (get_inner_reference, handled_component_p): Update
        comments.

        * tree.h (record_component_aliases, get_alias_set,
        alias_sets_conflict_p, alias_sets_must_conflict_p,
        objects_must_conflict_p): Move declarations ...
        * alias.h (record_component_aliases, get_alias_set,
        alias_sets_conflict_p, alias_sets_must_conflict_p,
        objects_must_conflict_p): ... here.
        Include coretypes.h.
        * Makefile.in (ALIAS_H): Add coretypes.h dependency.

2008-03-05  Aldy Hernandez  <aldyh@redhat.com>

        * cfg.c: Include tree-flow.h.
        (remove_edge_raw): Call redirect_edge_var_map_clear.
        (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
        * tree-flow-inline.h (redirect_edge_var_map_def): New.
        (redirect_edge_var_map_result): New.
        * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
        PENDING_STMT use with redirect_edge_var_map_*.
        * tree-ssa.c (edge_var_maps): New definition.
        (redirect_edge_var_map_add): New.
        (redirect_edge_var_map_clear): New.
        (redirect_edge_var_map_dup): New.
        (redirect_edge_var_map_vector): New.
        (redirect_edge_var_map_destroy): New.
        (ssa_redirect_edge): Replace PENDING_STMT use with
        redirect_edge_var_map_*.
        (flush_pending_stmts): Same.
        (delete_tree_ssa): Destroy edge var map.
        * tree-flow.h (struct _edge_var_map): New.
        Define edge_var_map vector type.
        Declare redirect_edge_var_map_* prototypes.
        * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
        * tree-cfg.c (reinstall_phi_args): Replace
        PENDING_STMT use with redirect_edge_var_map_*.

2008-03-05  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/35472
        * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
        whose single use_stmt has a overlapping set of loaded and
        stored symbols as that use_stmt might be a noop assignment then.

2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>

        * gthr-rtems.h: Implement __gthread_mutex_destroy.

2008-03-05  Richard Guenther  <rguenther@suse.de>

        PR c++/35336
        * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
        should be constants.
        * tree-cfg.c (verify_expr): Verify it.
        * fold-const.c (fold_truthop): Remove code generating
        BIT_FIELD_REFs of structure bases.
        (fold_binary): Likewise.
        (fold_ternary): Position and size of BIT_FIELD_REFs are
        always host integers.
        (make_bit_field_ref): Remove.
        (optimize_bit_field_compare): Remove.
        (all_ones_mask_p): Remove.

2008-03-05  Gabor Loki  <loki@gcc.gnu.org>

        PR gcc/33009
        * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
        (split_block_and_df_analyze): New. Split basic block and rebuild
        dataflow.
        (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
        SPLIT_BLOCK.
        (split_pattern_seq): Likewise.
        (erase_matching_seqs): Likewise.
        (split_pattern_seq): Skip return insn in case of REG_NORETURN note.

2008-03-04  Geoff Keating  <geoffk@apple.com>

        * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
        declaration and code.
        (tree_invalid_nonnegative_warnv_p): Likewise.

2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>

        * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
        examples.  Truncate option-names then causing overfull hbox.

2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/35222
        * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
        on hpux10.
        * configure: Rebuilt.

2008-03-04  Rafael Espindola  <espindola@google.com>

        * fold-const.c (tree_simple_nonnegative_warnv_p): New.
        (tree_unary_nonnegative_warnv_p): New.
        (tree_binary_nonnegative_warnv_p): New.
        (tree_single_nonnegative_warnv_p): New.
        (tree_invalid_nonnegative_warnv_p): New.
        (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.

2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 28322
        * opts.c (handle_option): Postpone 'unknown option' errors only for
        warning options.

2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/35453
        * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
        (_SIDD_XXX): This.

2008-03-04  Rafael Espindola  <espindola@google.com>

        * fold-const.c (tree_unary_nonzero_warnv_p): New.
        (tree_binary_nonzero_warnv_p): New.
        (tree_single_nonzero_warnv_p): New.
        (tree_expr_nonzero_warnv_p): Redefine using the new functions.

2008-03-04  Uros Bizjak  <ubizjak@gmail.com>

        PR middle-end/35456
        * fold-const.c (fold_cond_expr_with_comparison): Prevent
        transformations for modes that have signed zeros.
        * ifcvt.c (noce_try_abs): Ditto.

2008-03-04  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/i386.c (override_options): Force
        -maccumulate-outgoing-args on if TARGET_STACK_PROBE.

2008-03-04  Jan Hubicka  <jh@suse.cz>

        PR c++/35262
        * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
        in last commit.

2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
        label to probe the stack.

2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>

        * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
        (__gthr_win32_mutex_destroy): Declare.
        [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
        __gthr_win32_mutex_destroy.
        * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.

2008-03-03  Jan Hubicka  <jh@suse.cz>

        PR c++/35262
        * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
        aggressive on inlining cold calls.

2008-03-03  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
        struct copies into the expression table.
        (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
        (try_to_simplify): Likewise.
        * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
        integral and pointer arguments which do not change the
        precision to NOP_EXPRs.
        * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
        VIEW_CONVERT_EXPR case.

2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
        defined in a loop at depth 0 is invariant.
        * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
        * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
        be called at loop depth 0.

2008-03-02  Jakub Jelinek  <jakub@redhat.com>

        PR driver/35420
        * gcc.c (process_command): Update copyright notice dates.
        * gcov.c (print_version): Likewise.
        * gcov-dump.c (print_version): Likewise.
        * mips-tfile.c (main): Likewise.
        * mips-tdump.c (main): Likewise.

2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 24924
        * c-common.c (flag_permissive): Delete.
        (constant_expression_warnings): Check flags first.
        (constant_expression_error): New.
        * c-common.h (flag_permissive): Delete.
        (constant_expression_error): Declare.
        * flags.h (flag_permissive): Declare. Update description.
        * diagnostic.c (pedwarn): Update.
        (permerror): New.
        * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
        (permissive_error_kind): New.
        * toplev.c (flag_permissive): Define. Update description.
        * toplev.h (permissive_error_kind): Declare.
        * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
        (pedwarn_c90): Use pedantic_warning_kind.
        * c-opts.c (c_common_post_options): flag_permissive does not affect
        flag_pedantic_errors.

2008-03-02  Joseph Myers  <joseph@codesourcery.com>

        * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
        __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
        __absvsi2, __absvDI2): Use unsigned arithmetic.

2008-03-02  Andi Kleen  <ak@suse.de>
            Richard Guenther  <rguenther@suse.de>

        * struct-equiv.c: Remove file.
        * cfg_cleanup.c (condjump_equiv_p): Remove.
        * Makefile.in (OBJS-common): Remove struct-equiv.o.
        (struct-equiv.o): Remove rule.
        * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
        insns_match_p, struct_equiv_block_eq, struct_equiv_init,
        rtx_equiv_p, condjump_equiv_p): Remove prototypes.

2008-03-01  Alexandre Oliva  <aoliva@redhat.com>

        * ifcvt.c (noce_process_if_block): Try to handle only the then
        block if the else block exists but isn't suitable.

2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>

        PR gcc/35063
        * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
        * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
        regression from previous patch.

2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>

        PR gcc/35063
        * gthr.h: Add __gthread_mutex_destroy as a function that must be
        implemented.
        * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
        * gthr-single.h (__gthread_mutex_destroy): Likewise.
        * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
        * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
        * gthr-nks.h (__gthread_mutex_destroy): Likewise.
        * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
        * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
        (__gthread_mutex_destroy_function): Rename to
        __gthread_mutex_destroy.
        * gthr-dce.h (__gthread_mutex_destroy): Call
        pthread_mutex_destroy.
        * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
        * gthr-posix.h (__gthread_mutex_destroy): Likewise.
        * gthr-posix95.h (__gthread_mutex_destroy): Likewise.

2008-03-01  Alexandre Oliva  <aoliva@redhat.com>

        * df-scan.c (df_ref_chain_change_bb): Simplify.
        (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
        set_block_for_insn if there's any change.
        * df.h ((df_insn_change_bb): Fix prototype.
        * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
        df_insn_change_bb, don't call set_block_for_insn.
        * emit-rtl.c (reorder_insns): Likewise.
        * haifa-sched.c (move_insn): Likewise.

2008-03-01  Alexandre Oliva  <aoliva@redhat.com>

        * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.

2008-03-01  Alexandre Oliva  <aoliva@redhat.com>

        * tree-flow-inline.h (next_readonly_imm_use): Return
        NULL_USE_OPERAND_P after the end.

2008-03-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/35411
        * tree-sra.c (sra_build_assignment): Split conversion to
        final type to a separate statement if we are not assigning
        to a register.

2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        * fold-const.c (fold_convertible_p): Correct the logic to follow
        that in fold_convert().

2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>

        PR c++/35315
        * tree-inline.c (build_duplicate_type): When we make a
        duplicate type, make it unique in the canonical types system.

2008-02-29  Tom Tromey  <tromey@redhat.com>

        * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
        input_file_stack_history, input_file_stack_restored): Remove.
        (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
        * input.h (struct file_stack): Remove.
        (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
        (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
        Likewise.
        * diagnostic.h (struct diagnostic_context) <last_module>: Change
        type.
        (diagnostic_last_module_changed): Add 'map' argument.
        (diagnostic_set_last_function): Likewise.
        * diagnostic.c (undiagnostic_report_current_module): Iterate using
        line map, not input_file_stack.
        * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.

2008-02-29  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.

2008-02-29  Paul Brook  <paul@codesourcery.com>

        * config/arm/ieee754-df.S (muldf3): Use RET macros.

2008-02-29  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
        vn_lookup_or_add.
        * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
        value for comparing for a store match.
        (simplify_unary_expression): Do nothing for SSA_NAMEs.
        (try_to_simplify): Do not do a full-blown reference lookup.

2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
        (TARGET_SCALAR_MODE_SUPPORTED_P): Define.

        * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.

2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-loop-linear.c (try_interchange_loops): Compare memory access
        strides against cache sizes.

2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_secondary_reload): Handle loading a float
        constant to fpul.

2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>

        * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
        of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
        is smaller than the original promoted value.
        (simplify_subreg): If OP is a SUBREG, try to preserve its
        SUBREG_PROMOTED_VAR_P information.

2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>

        * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
        (VN_INFO_GET): Allocate new objects on the obstack.
        (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
        for rpo_numbers_temp, for consistency.
        (free_scc_vn): Free the obstack.

2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>

        * doc/invoke.texi: Document -ftree-loop-distribution.
        * tree-loop-distribution.c: New.
        * tree-pass.h (pass_loop_distribution): New.
        * graphds.h (struct graph): Add htab_t indices.
        * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
        * tree-vectorizer.c (rename_variables_in_loop): Extern.
        (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
        * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
        * tree-data-ref.c (debug_data_dependence_relations): New.
        (dump_data_dependence_relation): Also print data references.
        (free_data_ref): Extern.
        (same_access_functions): Moved...
        (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
        (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
        debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
        struct rdg_vertex_info, rdg_vertex_for_stmt): New.
        (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
        (stmts_from_loop): Skip LABEL_EXPR.
        (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
        New.
        (build_rdg): Initialize rdg->indices htab.
        (free_rdg, stores_from_loop, ref_base_address,
        rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
        have_similar_memory_accesses_1, ref_base_address_1,
        remove_similar_memory_refs): New.
        * tree-data-ref.h: Depend on tree-chrec.h.
        (debug_data_dependence_relations, free_data_ref): Declared.
        (same_access_functions): ... here.
        (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
        New.
        (struct rdg_vertex): Add has_mem_write and has_mem_reads.
        (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
        RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
        (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
        debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
        rdg_vertex_for_stmt): Declared.
        (struct rdg_edge): Add level.
        (RDGE_LEVEL): New.
        (free_rdg, stores_from_loop, remove_similar_memory_refs,
        rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
        Declared.
        (rdg_has_similar_memory_accesses): New.
        * tree-vect-analyze.c: Remove unused static decls.
        * lambda.h (dependence_level): New.
        * common.opt (ftree-loop-distribution): New.
        * tree-flow.h (mark_virtual_ops_in_bb,
        slpeel_tree_duplicate_loop_to_edge_cfg,
        rename_variables_in_loop): Declared.
        * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
        (OBJS-common): Add tree-loop-distribution.o.
        (tree-loop-distribution.o): New rule.
        * tree-cfg.c (mark_virtual_ops_in_bb): New.
        (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
        * passes.c (init_optimization_passes): Schedule pass_loop_distribution.

2008-02-28  Joseph Myers  <joseph@codesourcery.com>

        PR target/33963
        * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
        other than structures and unions.

2008-02-28  Richard Guenther  <rguenther@suse.de>

        Revert:
        2008-02-26  Richard Guenther  <rguenther@suse.de>

        * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
        * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
        (lookup_decl_from_uid): Declare.
        (remove_decl_from_map): Likewise.
        * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
        * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
        (decl_for_uid_map): New global hashtable mapping DECL_UID
        to the decl tree.
        (init_ttree): Allocate it.
        (insert_decl_to_uid_decl_map): New helper function.
        (make_node_stat): Insert new decls into the map.
        (copy_node_stat): Likewise.
        (lookup_decl_from_uid): New function.
        (remove_decl_from_map): Likewise.
        (print_decl_for_uid_map_statistics): New helper.
        (dump_tree_statistics): Call it.

        * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
        (referenced_var_iterator): Adjust.
        (FOR_EACH_REFERENCED_VAR): Adjust.
        (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
        (num_referenced_vars): Adjust.
        * tree-flow-inline.h (gimple_referenced_vars): Adjust.
        (first_referenced_var): Remove.
        (end_referenced_vars_p): Likewise.
        (next_referenced_var): Likewise.
        (referenced_var_iterator_set): New helper function.
        * tree-dfa.c (referenced_var_lookup): Adjust.
        (referenced_var_check_and_insert): Likewise.
        (remove_referenced_var): Likewise.
        * tree-ssa.c (verify_flow_insensitive_alias_info): Use
        FOR_EACH_REFERENCED_VAR_IN_BITMAP.
        (verify_call_clobbering): Likewise.
        (verify_memory_partitions): Likewise.
        (init_tree_ssa): Allocate bitmap instead of hashtable for
        referenced_vars.
        (delete_tree_ssa): Adjust.
        * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
        FOR_EACH_REFERENCED_VAR_IN_BITMAP.
        (compute_tag_properties): Likewise.
        (set_initial_properties): Likewise.
        (find_partition_for): Likewise.
        (update_reference_counts): Likewise.
        (dump_may_aliases_for): Likewise.
        * tree-ssa-operands.c (add_virtual_operand): Likewise.
        (add_call_clobber_ops): Likewise.
        (add_call_read_ops): Likewise.
        (get_asm_expr_operands): Likewise.
        * tree-into-ssa.c (dump_decl_set): Likewise.
        (update_ssa): Likewise.
        * tree-sra.c (scan_function): Likewise.
        (decide_instantiations): Likewise.
        (scalarize_parms): Likewise.
        * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
        (dsa_named_for): Likewise.
        * tree-ssa-structalias.c (update_alias_info): Likewise.
        (merge_smts_into): Likewise.

2008-02-27  David Daney  <ddaney@avtrex.com>

        PR target/34409
        * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
        * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
        * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
        * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
        * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.

2008-02-27  Uros Bizjak  <ubizjak@gmail.com>

        PR target/25477
        * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
        (BUILT_IN_NEXTTOWARD): Remove.
        (BUILT_IN_NEXTTOWARDF): Ditto.
        * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
        alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.

2008-02-27  Tom Tromey  <tromey@redhat.com>

        * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
        DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.

2008-02-27  Jan Beulich  <jbeulich@novell.com>

        * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
        update the respective field on newdecl.

2008-02-27  Revital Eres  <eres@il.ibm.com>

        PR rtl-optimization/34999
        * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
        crossing edges that ends with a call insn.
        (fix_up_fall_thru_edges): Handle crossing edges that ends with a
        call insn and clear the EDGE_CROSSING flag of the crossing edge
        when fixing fallthru edges.

2008-02-27  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35390
        * fold-const.c (fold_unary): Return the correct argument,
        converted to the result type.

2008-02-27  Richard Guenther  <rguenther@suse.de>

        PR middle-end/34971
        * expr.c (expand_expr_real_1): Assert on rotates that operate
        on partial modes.
        * fold-const.c (fold_binary): Use the types precision, not the
        bitsize of the mode if folding rotate expressions.  Build rotates
        only for full modes.

2008-02-27  Jakub Jelinek  <jakub@redhat.com>

        * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
        and CPP_PRAGMA_EOL.
        * c-pragma.c (pragma_ns_name): New typedef.
        (registered_pp_pragmas): New variable.
        (c_pp_lookup_pragma): New function.
        (c_register_pragma_1): If flag_preprocess_only, do nothing
        for non-expanded pragmas, for expanded ones push pragma's
        namespace and name into registered_pp_pragmas vector.
        (c_invoke_pragma_handler): Register OpenMP pragmas even when
        flag_preprocess_only, don't register GCC pch_preprocess
        pragma if flag_preprocess_only.
        * c-opts.c (c_common_init): Call init_pragma even if
        flag_preprocess_only.
        * c-pragma.c (c_pp_lookup_pragma): New prototype.
        * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
        cpp_register_pragma if flag_preprocess_only.

2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR c/28800
        * c-parser.c (c_parser_translation_unit): Warn for empty
        translation unit, not empty source file.

2008-02-26  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
        operand for Thumb-2.
        * config/arm/arm.h (reg_class): Add CORE_REGS.
        (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
        (BASE_REG_CLASS): Use CORE_REGS.
        (PREFERRED_RELOAD_CLASS): Add STACK_REG.
        (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
        (REGNO_OK_FOR_INDEX_P): Exclude SP.
        (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
        ARM_REGNO_OK_FOR_INDEX_P.
        (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
        * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
        arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
        (ldm/stm peepholes): Ditto.
        * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
        * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
        * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
        * config/arm/constraints.md: Enable "k" constraint on ARM.

2008-02-27  Ben Elliston  <bje@au.ibm.com>

        * config/rs6000/rs6000.c: Annotate cache line size field in all
        instances of struct processor_costs.

2008-02-26  David Edelsohn  <edelsohn@gnu.org>

        * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
        dse2, gcse, if_conversion, if_after_combine, if_after_reload,
        jump_bypass): New counters.
        * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
        * dce.c (gate_ud_dce): Same.
        (gate_fast_dce): Same.
        * dse.c (gate_dse1): New function.
        (gate_dse2): New function.
        (gate_dse): Merge results of new gate functions.
        * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
        (gate_handle_jump_bypass): Add dbg_cnt.
        (gate_handle_gcse): Add dbg_cnt.
        * ifcvt.c (gate_handle_if_conversion): Same.
        (gate_handle_if_after_combine): Same.
        (gate_handle_if_after_reload): Same.
        * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.

2008-02-26  Edmar Wienskoski  <edmar@freescale.com>

        * config/rs6000/rs6000.c (processor_costs): Update e300 cache
        line sizes.
        * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.

2008-02-26  Jason Merrill  <jason@redhat.com>

        PR c++/35315
        * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
        alone if it's the naming decl for the type's main variant.

2008-02-26  Tom Tromey  <tromey@redhat.com>

        * system.h (USE_MAPPED_LOCATION): Poison.
        * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
        * tree-cfg.c (make_cond_expr_edges): Remove old location code.
        (make_goto_expr_edges): Likewise.
        (remove_bb): Likewise.
        (execute_warn_function_return): Likewise.
        * basic-block.h (struct edge_def) <goto_locus>: Change type to
        location_t.
        * c-common.c (fname_decl): Remove old location code.
        * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
        location code.
        * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
        variant.
        (ASM_INPUT_SOURCE_LOCATION): Likewise.
        (gen_rtx_ASM_INPUT): Likewise.
        (gen_rtx_ASM_INPUT_loc): Likewise.
        (get_rtx_asm_OPERANDS): Remove.
        * cfglayout.c (insn_locators_alloc): Remove old location code.
        (set_curr_insn_source_location): Likewise.
        (curr_insn_locator): Likewise.
        * print-tree.c (print_node): Remove old location code.
        * tree-mudflap.c (mf_varname_tree): Remove old location code.
        (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
        * cfgexpand.c (expand_gimple_cond_expr): Don't use
        location_from_locus.
        (construct_exit_block): Remove old location code.
        * emit-rtl.c (force_next_line_note): Remove old location code.
        * profile.c (branch_prob): Remove old location code.
        * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
        LOC_LINE): Remove old-location variants.
        * langhooks.c (lhd_print_error_function): Remove old location
        code.
        * configure, config.in: Rebuilt.
        * configure.ac (--enable-mapped-location): Remove.
        * c-decl.c (c_init_decl_processing): Remove old location code.
        (finish_function): Likewise.
        * recog.c (decode_asm_operands): Remove old location code.
        * c-pch.c (c_common_read_pch): Remove old location code.
        * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
        variants.
        * gimple-low.c (lower_function_body): Remove old location code.
        * toplev.c (unknown_location): Remove.
        (push_srcloc): Remove old-location variant.
        (process_options): Remove old location code.
        (lang_dependent_init): Likewise.
        * input.h (UNKNOWN_LOCATION): Move definition.
        (location_t): Undeprecate.
        (source_locus): Remove.
        (location_from_locus): Remove.
        (struct location_s): Remove.
        Remove all old-location code.
        (input_line, input_filename): Remove.
        * final.c (final_scan_insn): Remove old location code.
        * diagnostic.c (diagnostic_build_prefix): Remove
        USE_MAPPED_LOCATION test.
        * tree.h (gimple_stmt) <locus>: Now a location_t.
        (tree_exp) <locus>: Likewise.
        (DECL_IS_BUILTIN): Remove old-location variant.
        (annotate_with_file_line, annotate_with_locus): Likewise.
        (expr_locus, set_expr_locus): Update.
        * tree.c (build1_stat): Remove old location code.
        (last_annotated_node): Remove.
        (annotate_with_file_line): Remove old-location variant.
        (annotate_with_locus): Likewise.
        (expr_location): Remove old location code.
        (set_expr_location): Likewise.
        (expr_has_location): Likewise.
        (expr_locus): Likewise.
        (set_expr_locus): Likewise.
        (expr_filename): Don't use location_from_locus.
        (expr_lineno): Likewise.
        * rtl-error.c (location_for_asm): Remove old location code.
        * c-lex.c (cb_line_change): Remove old location code.
        (fe_file_change): Likewise.
        (cb_def_pragma): Likewise.
        (c_lex_with_flags): Likewise.
        * gengtype.c (do_typedef): Don't special-case location types.
        (define_location_structures): Remove.
        (main): Don't call define_location_structures.
        * tree-pretty-print.c (dump_implicit_edges): Remove old location
        code.

2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 26264
        * builtins.def (BUILT_IN_STDARG_START): Remove.
        * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
        * tree-stdarg.c (execute_optimize_stdarg): Likewise.
        * tree-inline.c (inline_forbidden_p_1): Likewise.

2008-02-26  Richard Guenther  <rguenther@suse.de>

        * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
        * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
        (lookup_decl_from_uid): Declare.
        (remove_decl_from_map): Likewise.
        * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
        * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
        (decl_for_uid_map): New global hashtable mapping DECL_UID
        to the decl tree.
        (init_ttree): Allocate it.
        (insert_decl_to_uid_decl_map): New helper function.
        (make_node_stat): Insert new decls into the map.
        (copy_node_stat): Likewise.
        (lookup_decl_from_uid): New function.
        (remove_decl_from_map): Likewise.
        (print_decl_for_uid_map_statistics): New helper.
        (dump_tree_statistics): Call it.

        * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
        (referenced_var_iterator): Adjust.
        (FOR_EACH_REFERENCED_VAR): Adjust.
        (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
        (num_referenced_vars): Adjust.
        * tree-flow-inline.h (gimple_referenced_vars): Adjust.
        (first_referenced_var): Remove.
        (end_referenced_vars_p): Likewise.
        (next_referenced_var): Likewise.
        (referenced_var_iterator_set): New helper function.
        * tree-dfa.c (referenced_var_lookup): Adjust.
        (referenced_var_check_and_insert): Likewise.
        (remove_referenced_var): Likewise.
        * tree-ssa.c (verify_flow_insensitive_alias_info): Use
        FOR_EACH_REFERENCED_VAR_IN_BITMAP.
        (verify_call_clobbering): Likewise.
        (verify_memory_partitions): Likewise.
        (init_tree_ssa): Allocate bitmap instead of hashtable for
        referenced_vars.
        (delete_tree_ssa): Adjust.
        * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
        FOR_EACH_REFERENCED_VAR_IN_BITMAP.
        (compute_tag_properties): Likewise.
        (set_initial_properties): Likewise.
        (find_partition_for): Likewise.
        (update_reference_counts): Likewise.
        (dump_may_aliases_for): Likewise.
        * tree-ssa-operands.c (add_virtual_operand): Likewise.
        (add_call_clobber_ops): Likewise.
        (add_call_read_ops): Likewise.
        (get_asm_expr_operands): Likewise.
        * tree-into-ssa.c (dump_decl_set): Likewise.
        (update_ssa): Likewise.
        * tree-sra.c (scan_function): Likewise.
        (decide_instantiations): Likewise.
        (scalarize_parms): Likewise.
        * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
        (dsa_named_for): Likewise.
        * tree-ssa-structalias.c (update_alias_info): Likewise.
        (merge_smts_into): Likewise.

2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 34351
        * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
        * c-opts.c (c_common_handle_option): Wall enables
        Wvolatile-register-var.
        * common.opt: Move Wvolatile-register-var to...
        * c.opt: ...here.

2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * common.opt (Wlarger-than=): New.
        * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
        -Wlarger-than=.
        * opts.c (common_handle_option): Handle -Wlarger-than=.
        * optc-gen.awk: Likewise.
        * opth-gen.awk: Likewise.
        * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
        * tree-optimize.c (tree_rest_of_compilation): Likewise.

2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>

        * c-common.c (match_case_to_enum_1): Add appropriate
        OPT_W* parameter to warning.
        (c_do_switch_warnings): Likewise.
        * c-typeck.c (warning_init): Add one more parameter following
        'warning' function.
        (push_init_level): Update call to warning_init.
        (pop_init_level): Likewise.
        (add_pending_init): Likewise.
        (output_init_element: Likewise.

2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 28322
        * toplev.c (toplev_main): If there are warnings or error, print
        errors for ignored options.
        * opts.c (ignored_options): New static variable.
        (postpone_unknown_option_error): New.
        (print_ignored_options): New.
        (handle_option): Postpone errors for unknown -Wno-* options.
        * opts.h (print_ignored_options): Declare.

2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.md (loadgp_blockage, blockage): Change type
        to "ghost".

2008-02-25  Richard Guenther  <rguenther@suse.de>

        Revert:
        2008-02-25  Richard Guenther  <rguenther@suse.de>

        * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
        * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
        (lookup_decl_from_uid): Declare.
        * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
        * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
        (decl_for_uid_map): New global hashtable mapping DECL_UID
        to the decl tree.
        (init_ttree): Allocate it.
        (insert_decl_to_uid_decl_map): New helper function.
        (make_node_stat): Insert new decls into the map.
        (copy_node_stat): Likewise.
        (lookup_decl_from_uid): New function.
        (print_decl_for_uid_map_statistics): New helper.
        (dump_tree_statistics): Call it.

        * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
        (referenced_var_iterator): Adjust.
        (FOR_EACH_REFERENCED_VAR): Adjust.
        (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
        (num_referenced_vars): Adjust.
        * tree-flow-inline.h (gimple_referenced_vars): Adjust.
        (first_referenced_var): Remove.
        (end_referenced_vars_p): Likewise.
        (next_referenced_var): Likewise.
        (referenced_var_iterator_set): New helper function.
        * tree-dfa.c (referenced_var_lookup): Adjust.
        (referenced_var_check_and_insert): Likewise.
        (remove_referenced_var): Likewise.
        * tree-ssa.c (verify_flow_insensitive_alias_info): Use
        FOR_EACH_REFERENCED_VAR_IN_BITMAP.
        (verify_call_clobbering): Likewise.
        (verify_memory_partitions): Likewise.
        (init_tree_ssa): Allocate bitmap instead of hashtable for
        referenced_vars.
        (delete_tree_ssa): Adjust.
        * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
        FOR_EACH_REFERENCED_VAR_IN_BITMAP.
        (compute_tag_properties): Likewise.
        (set_initial_properties): Likewise.
        (find_partition_for): Likewise.
        (update_reference_counts): Likewise.
        (dump_may_aliases_for): Likewise.
        * tree-ssa-operands.c (add_virtual_operand): Likewise.
        (add_call_clobber_ops): Likewise.
        (add_call_read_ops): Likewise.
        (get_asm_expr_operands): Likewise.
        * tree-into-ssa.c (dump_decl_set): Likewise.
        (update_ssa): Likewise.
        * tree-sra.c (scan_function): Likewise.
        (decide_instantiations): Likewise.
        (scalarize_parms): Likewise.
        * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
        (dsa_named_for): Likewise.
        * tree-ssa-structalias.c (update_alias_info): Likewise.
        (merge_smts_into): Likewise.

2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>

        PR fortran/29549
        * doc/invoke.texi (-fcx-limited-range): Document new option.
        * toplev.c (process_options): Handle -fcx-fortran-rules.
        * common.opt: Add documentation for -fcx-fortran-rules.

2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>

        PR c/35162
        * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
        actual behaviour and C99.

2008-02-26  Ben Elliston  <bje@au.ibm.com>

        * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
        (ASM_CPU_POWER6_SPEC): Likewise.
        (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
        Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
        (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.

2008-02-25  Richard Guenther  <rguenther@suse.de>

        * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
        * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
        (lookup_decl_from_uid): Declare.
        * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
        * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
        (decl_for_uid_map): New global hashtable mapping DECL_UID
        to the decl tree.
        (init_ttree): Allocate it.
        (insert_decl_to_uid_decl_map): New helper function.
        (make_node_stat): Insert new decls into the map.
        (copy_node_stat): Likewise.
        (lookup_decl_from_uid): New function.
        (print_decl_for_uid_map_statistics): New helper.
        (dump_tree_statistics): Call it.

        * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
        (referenced_var_iterator): Adjust.
        (FOR_EACH_REFERENCED_VAR): Adjust.
        (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
        (num_referenced_vars): Adjust.
        * tree-flow-inline.h (gimple_referenced_vars): Adjust.
        (first_referenced_var): Remove.
        (end_referenced_vars_p): Likewise.
        (next_referenced_var): Likewise.
        (referenced_var_iterator_set): New helper function.
        * tree-dfa.c (referenced_var_lookup): Adjust.
        (referenced_var_check_and_insert): Likewise.
        (remove_referenced_var): Likewise.
        * tree-ssa.c (verify_flow_insensitive_alias_info): Use
        FOR_EACH_REFERENCED_VAR_IN_BITMAP.
        (verify_call_clobbering): Likewise.
        (verify_memory_partitions): Likewise.
        (init_tree_ssa): Allocate bitmap instead of hashtable for
        referenced_vars.
        (delete_tree_ssa): Adjust.
        * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
        FOR_EACH_REFERENCED_VAR_IN_BITMAP.
        (compute_tag_properties): Likewise.
        (set_initial_properties): Likewise.
        (find_partition_for): Likewise.
        (update_reference_counts): Likewise.
        (dump_may_aliases_for): Likewise.
        * tree-ssa-operands.c (add_virtual_operand): Likewise.
        (add_call_clobber_ops): Likewise.
        (add_call_read_ops): Likewise.
        (get_asm_expr_operands): Likewise.
        * tree-into-ssa.c (dump_decl_set): Likewise.
        (update_ssa): Likewise.
        * tree-sra.c (scan_function): Likewise.
        (decide_instantiations): Likewise.
        (scalarize_parms): Likewise.
        * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
        (dsa_named_for): Likewise.
        * tree-ssa-structalias.c (update_alias_info): Likewise.
        (merge_smts_into): Likewise.

2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>

        PR target/35258
        * cse.c (cse_insn): Avoid creation of overlapping MEMs.
        * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
        * alias.h (nonoverlapping_memrefs_p): Likewise.

2008-02-25  Jan Beulich  <jbeulich@novell.com>

        * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
        * config/i386/netware-libgcc.exp: Add __bswap?i2,
        __emultls_get_address, __emultls_register_common,
        __floatundi?f, and _Unwind_GetIPInfo.
        * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
        Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
        (gen_regparm_prefix): Likewise.
        (i386_nlm_encode_section_info): Sync with
        config/i386/winnt.c:i386_pe_encode_section_info().
        (i386_nlm_maybe_mangle_decl_assembler_name): New.
        i386_nlm_mangle_decl_assembler_name): New.
        (netware_override_options): New.
        * config/i386/netware.h (netware_override_options): Declare.
        (OVERRIDE_OPTIONS): Re-define to netware_override_options.
        (i386_nlm_mangle_decl_assembler_name): Declare.
        (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.

2008-02-25  Ben Elliston  <bje@au.ibm.com>

        PR other/32948
        * c-decl.c (grokdeclarator): Remove unused local variables
        `typedef_type' and `type_as_written'.
        * bb-reorder.c
        (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
        unused local variable `has_hot_blocks'.
        (fix_crossing_conditional_branches): Remove unused local variable
        `prev_bb'.

2008-02-25  Uros Bizjak  <ubizjak@gmail.com>

        PR middle-end/19984
        * builtins.def (BUILT_IN_NAN): Define as c99 builtin
        using DEF_C99_BUILTIN.
        (BUILT_IN_NANF): Ditto.
        (BUILT_IN_NANL): Ditto.

2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
            Revital Eres  <eres@il.ibm.com>

        * modulo-sched.c (calculate_must_precede_follow): Address TODO
        regarding the order of two dependent insns in the same row.

2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>

        * stor-layout.c (layout_decl): Do not bump the alignment of a
        bit-field to more than byte alignment if it is packed.

2008-02-24  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (processor_costs): Add cache costs for
        e300c2 and e300c3.

2008-02-24  Diego Novillo  <dnovillo@google.com>

        http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html

        PR 33738
        * tree-vrp.c (vrp_evaluate_conditional): With
        -Wtype-limits, emit a warning when comparing against a
        constant outside the natural range of OP0's type.
        * c.opt (Wtype-limits): Move ...
        * common.opt (Wtype-limits): ... here.

2008-02-24  Edmar Wienskoski  <edmar@freescale.com>

        * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
        * config/rs6000/e300c2c3.md: New file.
        * config/rs6000/rs6000.c (processor_costs): Add new costs for
        e300c2 and e300c3.
        (rs6000_override_options): Add e300c2 and e300c3 cases to
        processor_target_table. Do not allow usage of Altivec or Spe
        with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
        (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
        * config/rs6000/rs6000.h (processor_type): Add
        PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
        (ASM_CPU_SPEC): Add e300c2 and e300c3.
        * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
        and ppce300c3. Include e300c2c3.md.

2008-02-23  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
        instead of TARGET_STRICT_ALIGN.

2008-02-23  Joseph Myers  <joseph@codesourcery.com>

        * explow.c (memory_address): Assert that the generated address is
        valid.

2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        PR target/25477
        * config/darwin-protos.h: Add darwin_patch_builtins prototype.
        * config/darwin-ppc-ldouble-patch.def: New file.
        * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
        * config/rs6000/rs6000.c (rs6000_init_builtins): Call
        SUBTARGET_INIT_BUILTINS if defined.
        * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
        New functions.

2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR rtl-opt/33512
        * simplify-rtx.c (simplify_binary_operation_1): Add simplification
        of (and X (ior (not X) Y) and (and (ior (not X) Y) X).

2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR pch/35027
        * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
        file" warning condtional on -Winvalid-PCH.

2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>

        * expmed.c (extract_bit_field): Always use adjust_address for MEM.

2008-02-23  Uros Bizjak  <ubizjak@gmail.com>

        PR target/22076
        PR target/34256
        * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
        prevent reload from using MMX registers.
        (*mov<mode>_internal): Ditto.
        (*movv2sf_internal_rex64): Ditto.
        (*movv2sf_internal): Ditto.

2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR documentation/31569
        * doc/install.texi2html: Use makeinfo --no-number-sections.

2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>

        * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
        ensure that we can address an entire entity > 8 bytes.  Don't
        generate reg+reg addressing for such data.

2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>

        * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
        strings when optimizing for size, unless the target cares about
        alignment.

2008-02-22  Tom Tromey  <tromey@redhat.com>

        * regclass.c (current_pass): Remove declaration.

2008-02-22  Anatoly Sokolov <aesok@post.ru>

        * config/avr/libgcc.S (__RAMPZ__): Define.
        (__do_copy_data): Add for devices with 128KB code memory.

2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>

        * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
        Use spe_abi.
        * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.

2008-02-22  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
        GENNONACR_REGS.

2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR c/19999
        * c-typeck.c (build_binary_op): Warn about floating point
        comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.

2008-02-21  Janis Johnson  <janis187@us.ibm.com>

        PR target/34526
        * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
        (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
        add vrsave.
        (rs6000_override_options): Set altivec_abi as default, not override,
        for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
        TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
        is used; use new member spe_abi.
        (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
        spe_abi and altivec_abi.

2008-02-22  Tomas Bily  <tbily@suse.cz>

        * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.

2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR bootstrap/35273
        * config.build (build_file_translate): Set to `CMD //c' only if
        it works.
        * Makefile.in (build_file_translate): Improve comment.

2008-02-21  Jan Hubicka  <jh@suse.cz>

        * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
        PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
        PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.

2008-02-21  Michael Matz  <matz@suse.de>

        PR target/35264
        * config/i386/i386.c (ix86_expand_branch): Add missing breaks.

2008-02-21  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
        movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
        as insn constraint.
        * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
        from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
        SSE_VEC_FLOAT_MODE_P as insn constraint.
        (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
        (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
        sse4a_movntdf using MODEF mode iterator.
        (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
        sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
        (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
        (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
        (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
        (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
        (sse4_1_rounds<ssemodesuffixf2c>): Ditto.

2008-02-21  Richard Guenther  <rguenther@suse.de>

        * tree.def (PAREN_EXPR): New tree code.
        * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
        and PAREN_EXPR.
        * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
        * expr.c (expand_expr_real_1): Likewise.
        * tree-inline.c (estimate_num_insns_1): Likewise.
        * tree-complex.c (expand_complex_move): Likewise.
        * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
        as plain x.

2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/35225
        * config/sh/sh.c (find_barrier): Don't go past 'from' argument.

2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/35190
        * config/sh/sh.md (jump_compact): Disable for crossing jumps.

        * config/sh/sh.c (find_barrier): Don't go past
        NOTE_INSN_SWITCH_TEXT_SECTIONS note.

2008-02-20  DJ Delorie  <dj@redhat.com>

        * config/h8300/h8300.md (insv): Force source operand to be a register.

        * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
        as a jump, not as a plain insn.

2008-02-20  Seongbae Park <seongbae.park@gmail.com>

        * doc/invoke.texi (Warning Options): Add new option
        -Wframe-larger-than=.
        (-Wframe-larger-than): Document.

        * flags.h (warn_frame_larger_than, frame_larger_than_size):
        Add declarations for new option variables.

        * final.c (final_start_function): Check the frame size
        before emission and issue a Wframe-larger-than warning.

        * opts.c (warn_frame_larger_than, frame_larger_than_size):
        Add definitions for new option variables.
        (common_handle_option): Handle new option OPT_Wframe_larger_than_.

        * common.opt (Wframe-larger-than=): New option.

2008-02-20  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
        (<sse>_div<mode>3): Ditto.
        (<sse>_vmdiv<mode>3): Ditto.
        (<sse>_vmsqrt<mode>2): Ditto.
        (*smax<mode>3): Ditto.
        (sse5_frcz<mode>2): Ditto.
        (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
        as insn constraint.

2008-02-20  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35265
        * builtins.c (validate_arg): If we want an INTEGER_TYPE,
        be happy with INTEGRAL_TYPE_P.

2008-02-20  Richard Guenther  <rguenther@suse.de>

        * fold-const.c (split_tree): Associate floatig-point expressions
        if flag_associative_math is set.

2008-02-20  Richard Guenther  <rguenther@suse.de>

        * tree.h (fold_real_zero_addition_p): Declare.
        * fold-const.c (fold_real_zero_addition_p): Export.
        * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
        floating-point operations with zero and one.

2008-02-20  Paolo Bonzini  <bonzini@gnu.org>

        * doc/install.texi: Correct references to CFLAGS, replacing them
        with BOOT_CFLAGS.  Document flags used during bootstrap for
        target libraries.

2008-02-20  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
        * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
        and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
        insn constraint.
        (smin<mode>3): Ditto from similar patterns.
        (smax<mode>3): Ditto.
        (*ieee_smin<mode>3): Ditto.
        (*ieee_smax<mode>3): Ditto.
        * config/i386/sse.md (sse): New mode attribute.
        (mov<mode>): Macroize expander from movv4sf and movv2df using
        SSEMODEF2P mode iterator.
        (<sse>_movnt<mode>): Ditto from similar patterns. Use
        SSE_VEC_FLOAT_MODE_P as insn constraint.
        (storent<mode>): Ditto.
        (storent<mode>): Macroize expander from storentsf and storentdf using
        MODEF mode iterator.
        (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
        mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
        (abs<mode>2): Ditto from similar patterns.
        (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
        (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
        (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
        (<sse>_vmsqrt<mode>2): Ditto.
        (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
        (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
        (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
        (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
        (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
        sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
        mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
        insn constraint.
        (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
        iterator and SSE_FLOAT_MODE_P as insn constraint.
        (<sse>_ucomi): Ditto from similar patterns.
        (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
        sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
        SSE_VEC_FLOAT_MODE_P as insn constraint.
        (vcond<mode>): Ditto from similar patterns.
        (and<mode>3, *and<mode>3): Ditto.
        (<sse>_nand<mode>3): Ditto.
        (ior<mode>3, *ior<mode>3): Ditto.
        (xor<mode>3, *xor<mode>3): Ditto.
        (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
        iterator and SSE_FLOAT_MODE_P as insn constraint.
        (*nand<mode>3): Ditto from similar patterns.
        (*ior<mode>3): Ditto.
        (*xor<mode>3): Ditto.

2008-02-20  Ira Rosen  <irar@il.ibm.com>

        * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
        vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
        vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.

2008-02-19  Jan Hubicka  <jh@suse.cz>

        * predict.c (tree_bb_level_predictions): Remove variable next
        mistakely introduced by previous commit.

2008-02-19  Jan Hubicka  <jh@suse.cz>

        * predict.c (predict_paths_leading_to): Rewrite.
        (predict_paths_for_bb): New.
        (tree_bb_level_predictions): Update call of predict_paths_leading_to.

2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR bootstrap/35218
        * Makefile.in (build_file_translate): New.
        (gcc-vers.texi): Use it for translating $(abs_srcdir).
        * config.build (build_file_translate): Set to `CMD //c' on MinGW.
        * configure.ac (build_file_translate): Substitute it.
        * configure: Regenerate.

2008-02-19  Jan Hubicka  <jh@suse.cz>

        PR rtl-optimization/34408
        * see.c (see_def_extension_not_merged): Copy subreg so we don't have
        invalid sharing.

2008-02-19  Jan Hubicka  <jh@suse.cz>

        PR middle-end/28779
        * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
        call_expr.

2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>

        PR Ada/35186
        * config/i386/i386-modes.def: Revert the last DI alignment
        change until Ada people can look into it.

2008-02-19  Nick Clifton  <nickc@redhat.com>

        * opts.c (print_specific_help): Fix typo in --help text.

2008-02-19  Jakub Jelinek  <jakub@redhat.com>

        PR target/35239
        * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
        32-bit inline asm without asm alternatives for host GCC < 3.0.

2008-02-19  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/34989
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
        Allow propagation to INDIRECT_REF if we can simplify only.

2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * c-common.c (warn_for_collisions_1): Use appropriate option when
        warning.

2008-02-19  Nick Clifton  <nickc@redhat.com>

        PR other/31349
        * opts.c (undocumented_msg): Leave blank unless checking is enabled.
        (handle_options): Fix indentation.
        (print_filtered_help): If no language-specific options were
        displayed tell the user how to list all the options supported by
        the language's front-end.
        (print_specific_help): Fix indentation and remove duplicate line.
        (common_handle_option): Handle the -v option.
        For --help enable the display of undocumented options if the -v
        switch has been included on the command line.
        For --help= check for overlaps in the arguments between the option
        classes and the language names and issue a warning when they
        cannot be disambiguated.
        * c.opt (v): Pass on to the common option handler.

2008-02-19  Revital Eres  <eres@il.ibm.com>

        * modulo-sched.c (sms_schedule): Change dump message when
        create_ddg function fails.
        (try_scheduling_node_in_cycle): Rename row to cycle.
        (print_partial_schedule): Rename CYCLE to ROW.

2008-02-19  Christian Bruel  <christian.bruel@st.com>
            Zdenek Dvorak  <ook@ucw.cz>

        * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.

2008-02-19  Uros Bizjak  <ubizjak@gmail.com>

        PR target/33555
        * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
        (*x86_movdicc_0_m1_se): Ditto.

2008-02-19  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
        (CMPtype): Define as __gcc_CMPtype.
        * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
        (CMPtype): Define as __gcc_CMPtype.

2008-02-19  Hans-Peter Nilsson  <hp@axis.com>

        Support valgrind 3.3 for --enable-checking=valgrind.
        * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
        here.
        [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
        [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
        [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
        * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
        Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
        VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
        VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
        respectively.
        * ggc-zone.c: Similar.
        * ggc-page.c: Similar.

2008-02-19  Paul Brook  <paul@codesourcery.com>

        PR target/35071
        * config/arm/ieee754-df.S: Fix do_it typo.
        * config/arm/ieee754-sf.S: Fix do_it typo.

2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/35189
        * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
        (OPTION_MASK_ISA_3DNOW_SET): Likewise.
        (OPTION_MASK_ISA_SSE_SET): Likewise.
        (OPTION_MASK_ISA_SSE2_SET): Likewise.
        (OPTION_MASK_ISA_SSE3_SET): Likewise.
        (OPTION_MASK_ISA_SSSE3_SET): Likewise.
        (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
        (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
        (OPTION_MASK_ISA_SSE4_SET): Likewise.
        (OPTION_MASK_ISA_SSE4A_SET): Likewise.
        (OPTION_MASK_ISA_SSE5_SET): Likewise.
        (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
        (OPTION_MASK_ISA_MMX_UNSET): Updated.
        (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
        (OPTION_MASK_ISA_SSE_UNSET): Likewise.
        (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
        (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
        (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
        (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
        (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
        (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
        (OPTION_MASK_ISA_SSE4): Removed.
        (ix86_handle_option): Turn on bits in ix86_isa_flags and
        ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
        (override_options): Don't turn on implied SSE/MMX bits in
        ix86_isa_flags.

2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386-modes.def: Use 4 byte alignment on DI for
        32bit host.

2008-02-18  Joey Ye  <joey.ye@intel.com>

        PR middle-end/34921
        * tree-nested.c (insert_field_into_struct): Set type alignment
        to field alignment if the former is less than the latter.

2008-02-18  Jakub Jelinek  <jakub@redhat.com>

        * BASE-VER: Set to 4.4.0.

2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>

        * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
        * doc/cfg.texi: Likewise.
        * doc/extend.texi: Likewise.
        * doc/gty.texi: Likewise.
        * doc/invoke.texi: Likewise.
        * doc/loop.texi: Likewise.
        * doc/md.texi: Likewise.
        * doc/passes.texi: Likewise.
        * doc/rtl.texi: Likewise.
        * doc/sourcebuild.texi: Likewise.
        * doc/tm.texi: Likewise.
        * doc/tree-ssa.texi: Likewise.

2008-02-17  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35227
        * tree-complex.c (init_parameter_lattice_values): Handle parameters
        without default definition.

2008-02-17  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/35231
        * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
        if A | B != 1.

2008-02-17  Uros Bizjak  <ubizjak@gmail.com>

        Revert:
        2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
        * config/i386/sfp-machine.h (CMPtype): Define as typedef using
        libgcc_cmp_return mode.

2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR c/28368
        * doc/invoke.texi (-std): Clarify description of -std= and -ansi.

2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>

        * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
        multilibs.

2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/c-tree.texi: Use `@.' where appropriate.
        * doc/extend.texi: Likewise.
        * doc/install.texi: Likewise.
        * doc/invoke.texi: Likewise.
        * doc/loop.texi: Likewise.
        * doc/makefile.texi: Likewise.
        * doc/md.texi: Likewise.
        * doc/passes.texi: Likewise.
        * doc/standards.texi: Likewise.
        * doc/tm.texi: Likewise.

2008-02-15  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/35196
        * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
        in entry_bb.
        (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
        rather than in entry_bb.

2008-02-15  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sfp-machine.h (CMPtype): Define as typedef using
        libgcc_cmp_return mode.

2008-02-15  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/35130
        * tree-nested.c (convert_call_expr): Put FRAME.* vars into
        OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.

2008-02-15  Richard Guenther  <rguenther@suse.de>
            Zdenek Dvorak  <ook@ucw.cz>

        PR tree-optimization/35164
        * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
        * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
        * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
        Only propagate addresses which do not have abnormal SSA_NAMEs
        in their operands.

2008-02-15  Joseph Myers  <joseph@codesourcery.com>

        PR target/35088
        * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.

2008-02-15  Jan Hubicka  <jh@suse.cz>

        PR middle-end/35149
        * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.

2008-02-15  Uros Bizjak  <ubizjak@gmail.com>

        PR middle-end/34621
        * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
        when calculating alignment_pad.

2008-02-15  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
        (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
        * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
        and STACK_BOUNDARY define.

2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>

        PR preprocessor/35061
        * c-pragma.c (handle_pragma_pop_macro): Check that
        pushed_macro_table has been allocated.

2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/35136
        * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
        (force_gimple_operand): Likewise.
        * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
        for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
        Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
        (find_interesting_uses_address): Check addressability and alignment
        of the base expression only after substituting bases of IVs into it.

2008-02-14  Michael Matz  <matz@suse.de>

        PR target/34930
        * function.c (instantiate_virtual_regs_in_insn): Reload address
        before falling back to reloading the whole operand.

2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (s390_mainpool_start): Emit the pool
        before the first section switch note.

2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>

        * doc/bugreport.texi: Update copyright years.
        * doc/c-tree.texi: Likewise.
        * doc/cfg.texi: Likewise.
        * doc/cpp.texi: Likewise.
        * doc/cppinternals.texi: Likewise.
        * doc/fragments.texi: Likewise.
        * doc/frontends.texi: Likewise.
        * doc/gcc.texi: Likewise.
        * doc/gty.texi: Likewise.
        * doc/hostconfig.texi: Likewise.
        * doc/implement-c.texi: Likewise.
        * doc/libgcc.texi: Likewise.
        * doc/loop.texi: Likewise.
        * doc/makefile.texi: Likewise.
        * doc/options.texi: Likewise.
        * doc/passes.texi: Likewise.
        * doc/rtl.texi: Likewise.
        * doc/sourcebuild.texi: Likewise.
        * doc/standards.texi: Likewise.
        * doc/tree-ssa.texi: Likewise.
        * doc/trouble.texi: Likewise.

        * doc/extend.texi: Use @: or add comma where appropriate.
        * doc/invoke.texi: Likewise.
        * doc/tm.texi: Likewise.

2008-02-14  Alan Modra  <amodra@bigpond.net.au>

        PR target/34393
        * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
        to a reg.

2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>

        * doc/md.texi (clz, ctz): Add reference.
        * doc/rtl.texi (clz, ctz): Likewise.

2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR other/35148
        * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
        srcdir.

2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (struct constant_pool): New field
        emit_pool_after added.
        (s390_mainpool_start): Set the emit_pool_after flag according
        to the section switch notes.
        (s390_mainpool_finish): Consider emit_pool_after when emitting
        the literal pool at the end of the function.
        (s390_chunkify_start): Force literal pool splits at section
        switch notes.

2008-02-13  Michael Matz  <matz@suse.de>

        PR debug/35065
        * var-tracking.c (clobber_variable_part): Correctly traverse the
        list.

2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 29673
        * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
        Add -fdump-ipa-inline.
        * tree-dump.c (dump_files): Remove tree-inlined dump.
        * tree-pass.h (tree_dump_index): Remove TDI_inlined.

2008-02-12  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/35171
        * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
        default defs.

2008-02-12  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35163
        * fold-const.c (fold_widened_comparison): Use get_unwidened in
        value-preserving mode.  Disallow final truncation.

2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/35136
        * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
        code from here to...
        (force_gimple_operand): ...here.

2008-02-12  Jakub Jelinek  <jakub@redhat.com>

        PR c++/35144
        * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
        non-compatible pointers.
        (generate_element_copy): If SRC and DST are RECORD_TYPEs with
        different FIELD_DECLs, try harder by comparing field offsets, sizes
        and types.

        PR inline-asm/35160
        * function.c (match_asm_constraints_1): Don't replace the same input
        multiple times.

2008-02-12  Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
        * config/avr/avr.c (expand_prologue): Save RAMPZ register.
        (expand_epilogue): Restore RAMPZ register.
        * config/avr/avr.md (RAMPZ_ADDR): New constant.

2008-02-11  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/cygwin.asm: (__alloca): Correct calling
        convention and alignment.
        (__chkstk): Force 8 byte stack alignment.

2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
            Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/33992
        * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
        the zero we compare against.

2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>

        PR libfortran/35063
        * gthr-win32.h (__gthread_mutex_destroy_function): New function
        to CloseHandle after unlocking to prevent accumulation of handle
        count.

2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle_end/34150
        * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
        pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
        and update LABEL_NUSES during and after reload.

2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>

        PR middle-end/34627
        * combine.c (simplify_if_then_else): Make sure the comparison is
        against const0_rtx when simplifying to (abs x) or (neg (abs X)).

2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>

        PR bootstrap/35051
        * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
        (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
        * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
        (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
        * tree.h (get_type_static_bounds): Likewise.

2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/invoke.texi (Option Summary, C++ Dialect Options)
        (Objective-C and Objective-C++ Dialect Options, Warning Options):
        Make -Wfoo language annotations match what the compiler outputs.

2008-02-08  Sa Liu  <saliu@de.ibm.com>

        * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
        intrinsics spu_convts, spu_convtu, spu_convtf.

2008-02-08  Hans-Peter Nilsson  <hp@axis.com>

        * doc/extend.texi (Function Attributes) <noinline>: Mention
        asm ("") as method to keep calls.

2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR other/32754
        * doc/options.texi (Options): Replace references to opts.sh with
        optc-gen.awk.
        * opts-common.c: Likewise.
        * optc-gen.awk: Likewise.

2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.

2008-02-07  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/33410
        * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
        EXPR_LIST for the REG_EQUAL instead of a comparison with a
        funny mode.

2008-02-07  Uros Bizjak  <ubizjak@gmail.com>

        PR tree-optimization/35085
        * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
        for operand entry oe2 in addition to operand entry oe3 in order to
        expose more opportunities for vectorizer sum reduction.

2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR other/35107
        * Makefile.in (LIBS): Remove $(GMPLIBS).
        (cc1-dummy, cc1): Add $(GMPLIBS).

2008-02-06  Jan Hubicka  <jh@suse.cz>

        PR target/23322
        * i386.md (moddf_integer): Do not produce partial memory stalls for
        targets where it hurts.

2008-02-06  Uros Bizjak  <ubizjak@gmail.com>

        PR target/35083
        * optabs.c (expand_float): Do not check for decimal modes when
        expanding unsigned integer through signed conversion.

2008-02-06  Nick Clifton  <nickc@redhat.com>

        * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
        inside the clobber with a match_operand and duplicated operand
        number in the constraint.
        (ineqbranchsi): Delete redundant comment.

2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>

        * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
        builtin_define ("__USE_INIT_FINI__").
        * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
        -msx multilibs.
        * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.

2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR documentation/30330
        * doc/invoke.texi (C++ Dialect Options)
        (Objective-C and Objective-C++ Dialect Options, Warning Options):
        For each warning option -Wfoo that allows -Wno-foo, ensure both
        -Wfoo and -Wno-foo are listed in the option index.  Fix index
        entry of -Wswitch-default, index -Wnormalized= including the
        `=', and -Wlarger-than-@var{len} including @var{len}.

2008-02-05  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (floatunssisf2): Use
        ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
        (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
        Macroize expander using MODEF mode iterator.

2008-02-05  Diego Novillo  <dnovillo@google.com>

        http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html

        PR 33738
        * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.

2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR other/35070
        * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.

2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/35084
        * config/i386/i386.c (ix86_function_sseregparm): Add an arg
        to indicate if a message should be generated.
        (init_cumulative_args): Updated.
        (function_value_32): Likewise.

2008-02-05  Joseph Myers  <joseph@codesourcery.com>

        * doc/include/texinfo.tex: Update to version 2008-02-04.16.

2008-02-05  Uros Bizjak  <ubizjak@gmail.com>

        PR target/35083
        * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
        Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.

2008-02-04  Diego Novillo  <dnovillo@google.com>

        http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html

        PR 33738
        * tree-vrp.c (vrp_evaluate_conditional): With
        -Wtype-limits, emit a warning when comparing against a
        constant outside the natural range of OP0's type.

2008-02-04  Richard Guenther  <rguenther@suse.de>

        PR middle-end/33631
        * expr.c (count_type_elements): Give for unions instead of
        guessing.

2008-02-04  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35043
        * gimplify.c (gimplify_init_ctor_eval): Convert array indices
        to TYPE_DOMAINs base type instead of using bitsizetype here.

2008-02-03  Jason Merrill  <jason@redhat.com>

        * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.

2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR other/29972
        * doc/invoke.texi (C++ Dialect Options, Optimize Options)
        (HPPA Options, i386 and x86-64 Options, IA-64 Options)
        (RS/6000 and PowerPC Options): Fix typos and markup.
        * doc/passes.texi (Tree-SSA passes): Likewise.

2008-02-02  Michael Matz  <matz@suse.de>

        PR target/35045
        * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
        from record_last_reg_set_info.
        (record_last_reg_set_info): Take an RTX argument, iterate over all
        constituent hardregs.
        (record_last_set_info, record_opr_changes): Change calls to
        new signature or to record_last_reg_set_info_regno.

2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/extend.texi (X86 Built-in Functions): Fix grammar.

2008-02-01  Hans-Peter Nilsson  <hp@axis.com>

        PR rtl-optimization/34773
        * reg-notes.def (EQUAL): Mention significance of combination of
        REG_EQUAL and REG_RETVAL.
        * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
        insn that has a REG_RETVAL.

2008-02-01  Roger Sayle  <roger@eyesopen.com>

        PR bootstrap/33781
        * configure.ac (--enable-fixed-point): Disable unless explicitly
        requested on IRIX.
        * configure: Regenerate.

2008-02-01  Richard Guenther  <rguenther@suse.de>

        PR other/35042
        * invoke.texi (-finline-limit): Remove no longer true parts
        of the documentation.  Note that there is no default value.

2008-02-01  Andrew Pinski  <pinskia@gmail.com>
            Mark Mitchell  <mark@codesourcery.com>
            Ben Elliston  <bje@au.ibm.com>

        PR c/29326
        * doc/extend.texi (Other Builtins): Document.

2008-01-31  Tom Browder <tom.browder@gmail.com>

        * doc/c-tree.texi (Types): Fix grammar.
        (Expression trees): Ditto.
        * doc/passes.texi (Tree-SSA passes): Ditto.

        * doc/configterms.texi (Configure Terms): Fix typo.
        * doc/cpp.texi (Common Predefined Macros): Ditto.
        * doc/md.texi (Machine Constraints): Ditto.

        * doc/makefile.texi (Makefile): Add comma.

2008-01-31  Tom Browder  <tom.browder@gmail.com>
            Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/sourcebuild.texi (Front End): Remove references to CVS
        and CVSROOT/modules.
        (Texinfo Manuals): Replace reference to CVS by one to SVN.
        (Back End): Remove reference to CVS.

2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>

        PR target/34900
        * config/mips/mips.c (gen_load_const_gp): New function, taking a
        comment from...
        (mips16_gp_pseudo_reg): ...here.
        * config/mips/mips.md (load_const_gp): Replace with...
        (load_const_gp_<mode>): ...this :P-based insn.

2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
        options. Minor fixes.
        (-std): Move reference to standards closer to where language
        standards are first mentioned.

2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>

        PR rtl-optimization/34995
        * reload.c (alternative_allows_const_pool_ref): Take an rtx
        parameter and return a bool.  If the rtx parameter is nonnull,
        check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
        (find_reloads): Update call accordingly.  Pass the new operand
        if it needed no address reloads, otherwise pass null.

2008-01-30  Richard Henderson  <rth@redhat.com>

        PR c/34993
        * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
        for unbounded arrays.

2008-01-30  Silvius Rus  <rus@google.com>

        * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.

2008-01-30  Jan Hubicka  <jh@suse.cz>

        PR target/34982
        * i386.c (init_cumulative_args): Use real function declaration when
        calling locally.

2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>

        PR rtl-optimization/34998
        * global.c (build_insn_chain): Treat non-subreg_lowpart
        SUBREGs of pseudos as clobbering all the words covered by the
        SUBREG, not just all the bytes.
        * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
        original df_ref rather than an extract parameter.
        (global_conflicts): Update call accordingly.

2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
        the overflow check to make it easier to read.
        (__fixtfdi): Change the type of the ll member in union
        long_double to UDItype_x.

2008-01-30  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/34969
        * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
        * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
        * tree-inline.c (fold_marked_statements): Call
        cgraph_update_edges_for_call_stmt if folding a call statement.
        * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
        debug_generic_stmt calls, reset it back afterwards.

        PR c/35017
        * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
        static decls.
        * c-typeck.c (build_external_ref): Don't pedwarn about
        static vars in current function's scope.

2008-01-29  Joseph Myers  <joseph@codesourcery.com>

        * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.

2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>

        PR c/35002
        * ipa-struct-reorg.c: Fix spelling.
        * params.def: Ditto.

2008-01-29  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35006
        * tree-inline.h (struct copy_body_data): Add remapping_type_depth
        field.
        * tree-inline.c (remap_type): Increment remapping_type_depth
        around remapping types.
        (copy_body_r): Only add referenced variables if they are referenced
        from code, not types.

2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>

        PR c++/34055
        PR c++/34103
        PR c++/34219
        PR c++/34606
        PR c++/34753
        PR c++/34754
        PR c++/34755
        PR c++/34919
        PR c++/34961
        * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
        qualifiers for an ERROR_MARK_NODE or a NULL_TREE.

2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>

        PR target/34412
        * config/avr/avr.c (expand_prologue): Use correct QI mode frame
        pointer for tiny stack.

2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>

        * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.

2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>

        * config/vx-common.h: Fix typo in comment.

2008-01-28  Ian Lance Taylor  <iant@google.com>

        PR c++/34862
        PR c++/33407
        * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
        coalesce pointers if they have different DECL_NO_TBAA_P values.
        * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
        between variables with different DECL_NO_TBAA_P values.

2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>

        PR 31535
        * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
        are not legitimate small data references on SPE targets.

2008-01-28  David Daney  <ddaney@avtrex.com>

        * doc/install.texi (mips-*-*): Recommend binutils 2.18.

2008-01-28  David Daney  <ddaney@avtrex.com>

        * doc/install.texi (--disable-libgcj-bc):  Reword documentation.

2008-01-27  Joseph Myers  <joseph@codesourcery.com>

        * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
        m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
        *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
        *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
        hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
        i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
        i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
        vax-*-bsd*, vax-*-ultrix*): Mark obsolete.

2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>

        * basic-block.h (condjump_equiv_p): Fix comment.

2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>

        * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
        print_generic_stmt_indented): Fix comment.

2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>

        * configure.ac (__stack_chk_fail): Add detecion for availability
        of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
        * configure: Regenerate.

2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>

        PR middle-end/34688
        * final.c (output_addr_const): Handle TRUNCATE.

2008-01-26  Zdenek Dvorak  <ook@ucw.cz>

        PR target/34711
        * tree-ssa-loop-ivopts.c (comp_cost): New type.
        (zero_cost, infinite_cost): New constants.
        (struct cost_pair): Change type of cost to comp_cost.
        (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
        (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
        New functions.
        (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
        split_address_cost, ptr_difference_cost, difference_cost,
        get_computation_cost_at, get_computation_cost,
        determine_use_iv_cost_generic, determine_use_iv_cost_address,
        determine_use_iv_cost_condition, determine_use_iv_costs,
        cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
        iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
        iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
        Change type of cost to comp_cost.
        (determine_iv_cost): Increase cost of non-original ivs, instead
        of decreasing the cost of original ones.
        (get_address_cost): Indicate the complexity of the addressing mode
        in comp_cost.
        (try_add_cand_for): Prefer using ivs not specific to some object.
        * tree-flow.h (force_expr_to_var_cost): Declaration removed.

2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
            Janis Johnson  <janis187@us.ibm.com>

        PR target/34814
        * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
        (TARGET_INSTANTIATE_DECLS): Likewise.
        * target.h (expand_to_rtl_hook): New target hook.
        (instantiate_decls): Likewise.
        * function.c (instantiate_decl): Make non-static.  Rename to...
        (instantiate_decl_rtl): ... this.
        (instantiate_expr): Use instantiate_decl_rtl.
        (instantiate_decls_1): Likewise.
        (instantiate_decls): Likewise.
        (instantiate_virtual_regs: Call new instantiate_decls taget hook.
        * function.h (instantiate_decl_rtl): Add prototype.
        * cfgexpand.c (target.h): New include.
        (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
        * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
        (TARGET_INSTANTIATE_DECLS): Likewise.
        (TARGET_INITIALIZER): New target hooks added.
        * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
        New prototype.
        * config/rs6000/rs6000.c (tree-flow.h): New include.
        (machine_function): Add sdmode_stack_slot field.
        (rs6000_alloc_sdmode_stack_slot): New function.
        (rs6000_instantiate_decls): Likewise.
        (rs6000_secondary_memory_needed_rtx): Likewise.
        (rs6000_check_sdmode): Likewise.
        (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
        (TARGET_INSTANTIATE_DECLS): Likewise.
        (rs6000_hard_regno_mode_ok): Allow SDmode.
        (num_insns_constant): Likewise.  Handle _Decimal32 constants.
        (rs6000_emit_move): Handle SDmode.
        (function_arg_advance): Likewise.
        (function_arg): Likewise.
        (rs6000_gimplify_va_arg): Likewise.  Add special handling of
        SDmode var args for 32-bit compiles.
        (rs6000_secondary_reload_class): Handle SDmode.
        (rs6000_output_function_epilogue): Likewise.
        (rs6000_function_value): Simplify if statement.
        (rs6000_libcall_value): Likewise.
        * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
        (SECONDARY_MEMORY_NEEDED_RTX): Add define.
        * config/rs6000/dfp.md (movsd): New define_expand and splitter.
        (movsd_hardfloat): New define_insn.
        (movsd_softfloat): Likewise.
        (movsd_store): Likewise.
        (movsd_load): Likewise.
        (extendsddd2): Likewise.
        (extendsdtd2): Likewise.
        (truncddsd2): Likewise.
        (movdd_hardfloat64): Fixup comment.
        (UNSPEC_MOVSD_LOAD): New constant.
        (UNSPEC_MOVSD_STORE): Likewise.

2008-01-26  Jakub Jelinek  <jakub@redhat.com>

        PR c++/34965
        * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
        TRUTH_XOR_EXPR.
        (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
        (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
        (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
        and TRUTH_XOR_EXPR.

2008-01-26  David Edelsohn  <edelsohn@gnu.org>

        PR target/34794
        * config.gcc: Separate AIX 5.3 from AIX 6.1.
        * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
        __LONGDOUBLE128 too.
        * config/rs6000/aix61.h: New file.

2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>

        PR rtl-optimization/34959
        * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
        popcount and parity rtxes the same mode as their operand.
        Truncate or extend the result to the return value's mode
        if necessary.

2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>

        PR target/34981
        * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
        * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
        to GOT_VERSION_REGNUM.
        (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
        (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
        * config/mips/mips.c (mips_emit_call_insn): New function.
        (mips_call_tls_get_addr): Call mips_expand_call directly.
        (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
        emit_call_insn.
        (mips16_build_call_stub): Likewise.  Return the call insn or null.
        (mips_expand_call): Update the call to mips16_build_call_stub
        accordingly and a remove redundant condition.  Assert that MIPS16
        stubs do not use lazy binding.  Use mips_emit_call_insn and return
        the call insn.
        (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
        TARGET_USE_GOT.
        (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
        (mips_avoid_hazard): Remove hazard_set handling.
        * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
        (UNSPEC_RESTORE_GP): ...this.
        (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
        (FAKE_CALL_REGNO): Rename to...
        (GOT_VERSION_REGNUM): ...this.
        (type): Add "ghost" value.  Add an associated insn reservation.
        (hazard_set): Remove.
        (exception_receiver): Rename to...
        (restore_gp): ...this and update the unspec identifier accordingly.
        (exception_receiver, nonlocal_got_receiver): New expanders.
        (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
        FAKE_CALL_REGNO.  Remove hazard_set attribute.
        (set_got_version, update_got_version): New patterns.

2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>

        PR target/34970
        * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.

2008-01-25  Joseph Myers  <joseph@codesourcery.com>

        PR other/31955
        * doc/install.texi2html: Generate gcc-vers.texi.

2008-01-25  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.

2008-01-25  Joseph Myers  <joseph@codesourcery.com>

        * config/c4x: Remove directory.
        * config.gcc (crx-*, mt-*): Mark obsolete.
        (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
        h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
        sh-*-rtemscoff*): Remove cases.
        * defaults.h (C4X_FLOAT_FORMAT): Remove.
        * real.c (encode_c4x_single, decode_c4x_single,
        encode_c4x_extended, decode_c4x_extended, c4x_single_format,
        c4x_extended_format): Remove.
        * real.h (c4x_single_format, c4x_extended_format): Remove.
        * doc/extend.texi (interrupt, naked): Remove mention of attributes
        on C4x.
        (Pragmas): Remove comment about c4x pragmas.
        * doc/install.texi (c4x): Remove target-specific instructions.
        * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
        * doc/md.texi (Machine Constraints): Remove C4x documentation.
        * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
        refer to C4x source files as examples.
        (C4X_FLOAT_FORMAT): Remove documentation.

2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (override_options): Reorder tests so that
        flag_pic gets enabled for -msep-data.

2008-01-25  Richard Guenther  <rguenther@suse.de>

        PR middle-end/32244
        * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
        to its bitfield precision if required.

2008-01-25  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/33880
        * tree-nested.c (walk_omp_for): New function.
        (convert_nonlocal_reference, convert_local_reference): Call
        walk_omp_for on OMP_FOR.
        (convert_call_expr): Call walk_body on OMP_FOR's
        OMP_FOR_PRE_INIT_BODY.

2008-01-25  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/34966
        * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
        default defs and PHI_NODEs we have to insert after the
        defining statement.

2008-01-24  Nick Clifton  <nickc@redhat.com>

        * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
        Provide a default definition.
        (LIBGCC2_UNITS_PER_WORD): Likewise.

        * config/stormy16/stormy16.c: Include df.h for the prototype
        for df_regs_ever_live_p.
        (xstormy16_expand_builtin_va_start): Convert the stack offset
        into a component_ref and then use POINTER_PLUS_EXPR to add it
        to the incoming_virtual_args_rtx.
        (xstormy16_gimplify_va_arg_expr): Rename to
        xstormy16_gimplify_va_arg_expr.
        Use POINTER_PLUS_EXPR when performing pointer arithmetic.
        (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
        xstormy16_gimplify_va_arg_expr.
        Fix up some formatting issues.

        * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
        Move to predicates.md.
        (xs_hi_general_operand): Likewise.
        (xs_hi_nonmemory_operand): Likewise.
        * config/stormy16/predicates.md:
        (xstormy16_carry_plus_operand): New predicate.
        (xs_hi_general_operand): New predicate.
        (xs_hi_nonmemory_operand): New predicate.
        * config/stormy16/stormy16-protos.h:
        (xstormy16_carry_plus_operand): Delete prototype.
        (xs_hi_general_operand): Likewise.
        (xs_hi_nonmemory_operand): Likewise.

        * config/storm16/stormy16.md (addhi3): Remove earlyclobber
        modifiers as they are no longer needed and they can trigger
        reload spill failures.

        * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
        with a match_operand in order to help reload.

        * config/storm16/stormy16.md (movhi_internal): Replace 'r'
        constraint with 'e' for the 8th alternative as this version of
        the mov.w instruction only accepts the lower 8 registers.

2008-01-25  Uros Bizjak  <ubizjak@gmail.com>

        PR target/34856
        * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
        Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
        vector elements.

2008-01-25  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/33333
        * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.

2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>

        * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
        New functions.
        (remove_structure): Update allocations list before removing structure.

2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>

        * ipa-struct-reorg.c (is_safe_cond_expr,
        create_new_stmts_for_cond_expr): Use integer_zerop function,
        that recognize not only zero-pointer, but zero-integer too.

2008-01-25  Ben Elliston  <bje@au.ibm.com>

        PR other/22232
        * fixproto: Escape "." in sed expression that strips leading "./".

2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>

        PR driver/34904
        * gcc.c (SWITCH_OK): Removed.
        (SWITCH_LIVE): Changed to bit.
        (SWITCH_FALSE): Likewise.
        (SWITCH_IGNORE): Likewise.
        (switchstr): Change live_cond to unsigned int.
        (process_command): Replace SWITCH_OK with 0.
        (do_self_spec): Likewise.
        (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
        (give_switch): Likewise.
        (used_arg): Likewise.
        (do_spec_1): Set the SWITCH_IGNORE bit.
        (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
        bits.  Set the SWITCH_LIVE bit.

2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.h (MOVE_RATIO): Define new target macro.

2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>

        PR tree-optimization/34472
        * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
        parameter to a "bool *" and set *DATA to false if there is
        an unsafe access.  Do not delete the structure here.
        (check_cond_exprs): Delete it here instead.
        (check_cond_exprs, exclude_cold_structs): Do not increase
        I when removing a structure.

2008-01-24  Uros Bizjak  <ubizjak@gmail.com>

        PR target/34856
        * config/i386/i386.c (ix86_expand_vector_init): Consider only
        CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.

2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/34934
        * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
        a fixed vector for stack.

2008-01-24  Ben Elliston  <bje@au.ibm.com>

        PR c++/25701
        * doc/gcc.texi (Software development): Add a direntry for g++.

2008-01-23  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
        stale and straggling -fforce-addr comments above.

        * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
        define.
        * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
        * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.

2008-01-23  Michael Matz  <matz@suse.de>

        PR debug/34895
        * dwarf2out.c (force_type_die): Use modified_type_die instead of
        gen_type_die.

2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>

        * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
        malloc result type.

2008-01-23 Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.c (avr_current_arch): New variable.
        (avr_arch_types): Add 'avr31' and 'avr51' entries.
        (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
        (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
        (avr_override_options): Init 'avr_current_arch'.
        (base_arch_s): Move from here...
        * config/avr/avr.h (base_arch_s): ... here. Add new members
        'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
        'mega' to 'have_jmp_call'.
        (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
        "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
        macros.
        (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
        architectures.
        * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
        MULTILIB_MATCHES): Ditto.

2008-01-23  Richard Guenther  <rguenther@suse.de>

        PR middle-end/31529
        * cgraphunit.c (cgraph_reset_node): Always mark the node
        not reachable if it is not queued already.

2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
        * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
        (cputype_selected): New static variable.
        (bfin_handle_option): Set it if -mcpu is used.
        (override_option): Select default set of workarounds if no cpu type
        selected on the command line.
        (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.

        From  Michael Frysinger  <michael.frysinger@analog.com>
        * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
        BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.

        * config/bfin/elf.h (LIB_SPEC): Use proper linker script
        for bf547, bf523, bf524, and bf526.
        * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
        bf526.
        * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
        __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
        __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
        __ADSPBF547__ and __ADSPBF54x__ for bf547.
        * doc/invoke.texi (Blackfin Options): Document that
        -mcpu now accept bf547, bf523, bf524, and bf526.

2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/34628
        * combine.c (try_combine): Stop and undo after the first combination
        if an autoincrement side-effect on the first insn has effectively
        been lost.

2008-01-22  David Edelsohn  <edelsohn@gnu.org>

        PR target/34529
        * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
        Offset addresses are not valid for Altivec or paired float modes.

2008-01-22  Jakub Jelinek  <jakub@redhat.com>

        PR c++/34607
        * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
        if DECL_INITIAL (decl) is error_mark_node.

        PR c++/34914
        * c-common.c (handle_vector_size_attribute): Only allow
        integral, scalar float and fixed point types.  Handle OFFSET_TYPE
        the same way as pointer, array etc. types.
        * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.

        PR c++/34917
        * tree.c (build_type_attribute_qual_variant): Call
        build_qualified_type if attributes are equal, but quals are not.

2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 32102
        * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
        * flags.h (warn_strict_aliasing): Remove.
        (warn_strict_overflow): Remove.
        * opts.c (warn_strict_aliasing): Remove.
        (warn_strict_overflow): Remove.
        * c-opts.c (c_common_handle_option): -Wall only sets
        -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
        (c_common_post_options): Give default values to -Wstrict-aliasing
        and -Wstrict-overflow if they are uninitialized.
        * common.opt (Wstrict-aliasing): Specify Var and Init.
        (Wstrict-overflow): Likewise.

2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>

        PR rtl-optimization/26854
        PR rtl-optimization/34400
        PR rtl-optimization/34884
        * ddg.c (create_ddg_dep_from_intra_loop_link): Use
        DF_RD->gen.
        * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
        (df_rd_bb_info.expanded_lr_out): Deleted
        * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
        * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
        (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
        df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
        Removed code to allocate, initialize or free expanded_lr_out.
        (df_rd_bb_local_compute_process_def): Restructured to make more
        understandable.
        (df_rd_confluence_n): Removed code to no apply invalidate_by_call
        sets if the sets are being trimmed.

2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>

        PR bootstrap/32287
        * configure.ac (ld_vers): Support GNU linker version xx.xx.*
        (as_vers): Likewise.
        * configure: Regenerated.

2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR middle-end/33092
        * tree-pass.h (pass_build_alias): New pass.
        * tree-ssa-alias.c (gate_build_alias): New.
        (pass_build_alias): New.
        * passes.c (init_optimization_passes): Add pass_build_alias after
        pass_create_structure_vars.

2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>

        * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
        Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
        (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
        S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
        (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
        S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
        (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
        S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
        (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
        (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
        (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
        (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
        * config/s390/s390.md (FP_ALL): New mode iterator.
        (_d): New mode attribute.
        ("*signbit<mode>2>"): Changed mode of first operand.
        ("isinf<mode>2"): Changed mode of first operand.
        ("*TDC_insn"): Adaptation for DFP modes.

2008-01-22  Ben Elliston  <bje@au.ibm.com>

        * tree.c (check_qualified_type): Improve function description.

2008-01-21  Jason Merrill  <jason@redhat.com>

        PR c++/34196
        * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
        * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
        if it is set.

2008-01-21  DJ Delorie  <dj@redhat.com>

        * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
        return zero.

2008-01-21  Richard Guenther  <rguenther@suse.de>

        PR middle-end/34856
        * tree-cfg.c (verify_expr): Allow all invariant expressions
        instead of just constant class ones as reference argument.
        * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
        like any other constant.
        * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.

2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>

        * regmove.c (fixup_match_1): Update call crossed frequencies.

2008-01-21  Richard Guenther  <rguenther@suse.de>

        PR c/34885
        * tree-inline.c (setup_one_parameter): Deal with mismatched
        types using a VIEW_CONVERT_EXPR.

2008-01-21  Alon Dayan  <alond@il.ibm.com>
            Olga Golovanevsky  <olga@il.ibm.com>

        PR tree-optimization/34701
        * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
        when the structure size is not a power of 2.

2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>

        * doc/install.texi: Add doc for --enable-checking=df.

2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR rtl-optimization/34808
        * emit-rtl.c (try_split): Handle REG_RETVAL notes.

2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>

        * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
        input.

2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>

        PR rtl-optimization/26854
        PR rtl-optimization/34400
        * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
        DF_RD->gen.
        * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
        (df_rd_bb_info.expanded_lr_out): New.
        * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
        * loop_iv.c (iv_analysis_loop_init): Ditto.
        * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
        df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
        Added code to allocate, initialize or free expanded_lr_out.
        (df_rd_bb_local_compute_process_def): Restructured to make
        more understandable.
        (df_rd_confluence_n): Add code to do nothing with fake edges and
        code to no apply invalidate_by_call sets if the sets are being trimmed.
        (df_lr_local_finalize): Renamed to df_lr_finalize.
        (df_live_local_finalize): Renamed to df_live_finalize.

2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>

        PR target/34831
        * config/mips/mips.md (div<mode>3): Use <recip_condition> when
        deciding whether to use reciprocal instructions.

2008-01-19  Uros Bizjak  <ubizjak@gmail.com>

        * dwarf2out.c (dwarf2out_switch_text_section): Do not call
        dwarf2out_note_section_used if cold_text_section is NULL.

2008-01-19  Jakub Jelinek  <jakub@redhat.com>

        PR gcov-profile/34610
        * tree-cfg.c (make_edges): Mark both outgoing edges from
        OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
        * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
        from OMP_FOR and OMP_CONTINUE outgoing edges.

        * tree-profile.c (tree_profiling): Return early if
        cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
        at the end.
        * omp-low.c (expand_omp_parallel): Copy after_tree_profile
        from cfun to child_cfun.
        * function.h (struct function): Add after_tree_profile bit.

2008-01-19 Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.S (_exit): Disable interrupt.

2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
            Steven Bosscher  <stevenb.gcc@gmail.com>

        PR rtl-optimization/26854
        PR rtl-optimization/34400
        * df-problems.c (df_live_scratch): New scratch bitmap.
        (df_live_alloc): Allocate df_live_scratch when doing df_live.
        (df_live_reset): Clear the proper bitmaps.
        (df_live_bb_local_compute): Only process the artificial defs once
        since the order is not important.
        (df_live_init): Init the df_live sets only with the variables
        found live by df_lr.
        (df_live_transfer_function): Use the df_lr sets to prune the
        df_live sets as they are being computed.
        (df_live_free): Free df_live_scratch.

2008-01-18  Ian Lance Taylor  <iant@google.com>

        * common.opt: Add fmerge-debug-strings.
        * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
        flag_merge_debug_strings rather than flag_merge_constants.
        * doc/invoke.texi (Option Summary): Mention
        -fmerge-debug-strings.
        (Debugging Options): Document -fmerge-debug-strings.

2008-01-18  Ian Lance Taylor  <iant@google.com>

        PR c++/33407
        * tree.h (DECL_IS_OPERATOR_NEW): Define.
        (struct tree_function_decl): Add new field operator_new_flag.
        * tree-inline.c (expand_call_inline): When inlining a call to
        operator new, force the return value to go into a variable, and
        set DECL_NO_TBAA_P on that variable.
        * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.

2008-01-18  Uros Bizjak  <ubizjak@gmail.com>

        PR debug/34484
        * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
        DWARF2_DEBUGGING_INFO.
        (dwarf2out_note_section_used): Ditto.  Add prototype.
        (have_multiple_function_sections, text_section_used,
        cold_text_section_used, *cold_text_sections): Move declarations
        before their uses.

2008-01-17  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
        field and add signal_ra.
        * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
        assignments to frame state pc.  Move end of stack check after
        MD_FALLBACK_FRAME_STATE_FOR.
        (uw_update_context_1): Use frame state signal_regs if set, instead
        of checking signal_frame flag.
        (uw_update_context): Use frame state signal_ra if set.
        * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
        * config/xtensa/linux-unwind.h: New file.

2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>

        * modulo-sched.c (get_sched_window): Fix comment typo.

2008-01-17  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/34648
        * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.

2008-01-17  Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
        * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.

2008-01-17  Seongbae Park  <seongbae.park@gmail.com>

        PR rtl-optimization/34400
        * df-core.c (df_worklist_dataflow_overeager,
        df_worklist_dataflow_doublequeue): New functions.
        (df_worklist_dataflow): Two different worklist solvers.
        * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
        New param.

2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>

        PR testsuite/34821
        * doc/invoke.texi: Document the dependence on pthread for fopenmp
        and ftree-parallelize-loops.

2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>

        PR rtl-optimization/34826
        * loop-doloop (doloop_modify): Update the REG_BR_PROB note.

2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>

        * global.c (find_reg): Mark the eh regs as used if necessary.
        * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
        * ra.h (struct allocno): no_eh_reg field added.  Changed
        no_stack_reg type to bitfield.

2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.c (substitute_in_expr): Add missing 'break'.

2008-01-17  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/34825
        * tree-ssa-math-opts.c (is_division_by): Do not recognize
        x / x as division to handle.

2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
        "-pthread" is specified.
        * pa-hpux11.h (LIB_SPEC): Likewise.

2008-01-16  Janis Johnson  <janis187@us.ibm.com>
            Peter Bergner  <bergner@vnet.ibm.com>

        PR rtl-optimization/33796
        * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.

2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR libgfortran/34699
        * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
        static links.
        * pa-hpux10.h (LINK_SPEC): Likewise.
        * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.

2008-01-16  Richard Guenther  <rguenther@suse.de>

        PR middle-end/32628
        * fold-const.c (fold_convert_const_int_from_int): Do not
        set overflow if that occured only because of a sign extension
        change when converting from/to a sizetype with the same
        precision and signedness.

2008-01-16  Uros Bizjak  <ubizjak@gmail.com>

        PR debug/34249
        * dwarf2out.c (output_call_frame_info): Move output of FDE initial
        location address to the correct place.  Update copyright year.

2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>

        * lambda-code.c (lambda_transform_legal_p): Handle the case of
        no dependences in the dependence_relations vector.

2008-01-16  Jan Hubicka  <jh@suse.cz>

        PR rtl-optimization/31396
        * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
        * cfg.c (dump_reg_info): Print it.
        * regs.h (struct reg_info_t): add freq_calls_crossed.
        (REG_FREQ_CALLS_CROSSED): New macro.
        * global.c (global_alloc): Compute freq_calls_crossed for allocno.
        (find_reg): Update call of CALLER_SAVE_PROFITABLE.
        * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
        regmove_optimize): Update call crossed frequencies.
        * local-alloc.c (struct qty): Add freq_calls_crossed.
        (alloc_qty): Copute freq_calls_crossed.
        (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
        (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
        * ra.h (struct allocno): Add freq_calls_crossed.

2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>

        * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
        libgomp when compiling with ftree-parallelize-loops.
        (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.

2008-01-16  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/34769
        * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
        * tree.c (int_cst_value): Instead make this function more
        permissive in what it accepts as valid input.  Document this
        function always sign-extends the value.

2008-01-16  Jakub Jelinek  <jakub@redhat.com>
            Richard Guenther  <rguenther@suse.de>

        PR c/34668
        * gimplify.c (fold_indirect_ref_rhs): Rename to ...
        (gimple_fold_indirect_ref_rhs): ... this.
        (gimple_fold_indirect_ref): New function with foldings
        that preserve lvalueness.
        (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
        * tree-flow.h (gimple_fold_indirect_ref): Declare.
        * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
        to fold an INDIRECT_REF, fall back to the old use of
        fold_indirect_ref_1.

2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-data-ref.c (subscript_dependence_tester_1): Call
        free_conflict_function.
        (compute_self_dependence): Same.

2008-01-16  Uros Bizjak  <ubizjak@gmail.com>

        PR debug/34249
        * debug.h (dwarf2out_switch_text_section): Move declaration from ...
        * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
        function global.
        * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
        Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
        for DWARF2_UNWIND_INFO targets.

2008-01-16  Richard Guenther  <rguenther@suse.de>

        PR c/34768
        * c-typeck.c (common_pointer_type): Do not merge inconsistent
        type qualifiers for function types.

2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
        loop_iterator li from previous commit.

2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.

2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
        (parallelize_loops): Don't parallelize irreducible components.

2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR c++/24924
        * c-opts (c_common_post_options): Do not enable CPP
        flag_pedantic_errors by default.

2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/31944
        * cse.c (remove_pseudo_from_table): New function.
        (merge_equiv_classes): Use above function to remove pseudo-registers.
        (invalidate): Likewise.

2008-01-13  Richard Guenther  <rguenther@suse.de>

        PR middle-end/34601
        * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
        instead of TYPE_MODE to deal with calls from expand_one_error_var.

2008-01-13  Uros Bizjak  <ubizjak@gmail.com>

        * gcse.c (cprop_jump): Call validate_unshare_change instead of
        validate_change to unshare the source of the PC set.

2008-01-12  Jan Hubicka  <jh@suse.cz>

        PR middle-end/32135
        * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
        references above array bounds.  This might trigger bounds checks for
        pointers to arrays.

2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
        new_replaceable_dependencies.

2008-01-12  Doug Kwan  <dougkwan@google.com>

        * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
        instead of OPT_Wreturn_type in warning due to ignored return type
        qualifiers.
        * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
        options included in -Wextra.
        * c.opt: New option -Wignored_qualifiers.
        * doc/invoke.texi (Warning Options, -Wextra): Add new option
        -Wignore_qualifiers.
        (-Wignored-qualifiers): Document.
        (-Wreturn-type): Remove description of functionality now handled
        by -Wignored-qualifiers.

2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>

        PR ada/33788
        * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
        NOP_EXPR if it is between integral types with the same precision.

2008-01-12  Jan Hubicka  <jh@suse.cz>

        PR other/28023
        * invoke.texi (max-inline-recursive-depth): Fix default value.

2008-01-12  Zdenek Dvorak  <ook@ucw.cz>

        * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
        correct type.

2008-01-11  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (override_options): Set flag_shlib.

2008-01-11  James E. Wilson  <wilson@specifix.com>

        PR target/26015
        * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.

2008-01-11  Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
        save/restore frame pointer register and don't use 'call-prologues'
        optimization in function with "OS_task" attribute.

2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/31309
        * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
        when copying to memory.

2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>

        PR rtl-optimization/30905
        * cfgcleanup.c: Include dce.h
        (crossjumps_occured): New global variable.
        (try_crossjump_bb): Exit loop after finding a fallthru edge.
        If something changed, set crossjumps_occured to true.
        (try_optimize_cfg): Clear crossjumps_occured at the beginning.
        Don't add/remove fake edges to exit here...
        (cleanup_cfg): ...but do it here, when crossjumping.
        Run a fast DCE when successful crossjumps occured in the latest
        iteration of try_optimize_cfg.

2008-01-11  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
        (struct vn_unary_op_s): Likewise.
        (vn_reference_insert): Free old reference on hash collision.

2008-01-10  Raksit Ashok  <raksit@google.com>

        PR rtl-optimization/27971
        * combine.c (find_split_point): Split PLUS expressions which are
        inside a MEM rtx, and whose first operand is complex.

2008-01-10  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
        (m32c_hard_regno_nregs): ...this, which is now a wrapper.
        (m32c_hard_regno_ok): Call the underlying function.

2008-01-10  Richard Guenther  <rguenther@suse.de>

        PR middle-end/34683
        * tree-cfg.c (tree_merge_blocks): Do not go through the
        full-blown folding and stmt updating path if we just deal
        with virtual operands.
        * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
        test for abnormal SSA_NAMEs.

2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>

        PR middle-end/34641
        * reload.c (push_reload): Add assertions.  All constants from
        reg_equiv_constant should have been used for replacing the respective
        pseudo earlier.
        (find_reloads_address): Invoke find_reloads_address_part for
        constant taken from the reg_equiv_constant array.

2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>

        * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
        field (valnum) the first in the struct.  Replace bools with
        unit bit fields.

2008-01-10  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/34651
        * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
        types and ordering for masking and converting.

2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/34017
        * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
        also for PHI_NODE expressions.

2008-01-09  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/34708
        * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
        based on number of case labels.
        (init_inline_once): Remove switch_cost.
        * tree-inline.h (eni_weights_d): Remove switch_cost.

2008-01-09  Richard Guenther  <rguenther@suse.de>
        Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR middle-end/30132
        * gimplify.c (gimplify_cond_expr): Do not create an addressable
        temporary if an rvalue is ok or an lvalue is not required.

2008-01-09  Richard Guenther  <rguenther@suse.de>

        PR middle-end/34458
        * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
        adjust return type.

2008-01-09  Richard Guenther  <rguenther@suse.de>

        PR middle-end/34679
        * tree.c (host_integerp): Check for sizetype only if the
        type is an integer type.

2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>

        PR debug/26364
        * opts.c (decode_options): Disable inlining of functions called
        once if not in unit-at-a-time mode.

2008-01-09  Alexandre Oliva  <aoliva@redhat.com>

        * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.

2008-01-08  Richard Guenther  <rguenther@suse.de>

        PR middle-end/31863
        * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
        out early if the result will be unused.

2008-01-08  Uros Bizjak  <ubizjak@gmail.com>

        PR target/34709
        Revert:

        2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
        * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
        for TARGET_RECIP.

2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>

        * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
        for vectorization tuned.

2008-01-08  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/34683
        * tree-ssa-operands.c (operand_build_cmp): Export.
        * tree-ssa-operands.h (operand_build_cmp): Declare.
        * tree-vn.c (vuses_compare): Remove.
        (sort_vuses): Use operand_build_cmp.
        (sort_vuses_heap): Likewise.
        * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
        to re-use old VEC if available.  Do not sort already sorted VUSEs.
        (vdefs_to_vec): Do not sort already sorted VDEFs.

2008-01-08  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/34694
        * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.

2008-01-08  Uros Bizjak  <ubizjak@gmail.com>

        PR target/34702
        * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
        limitations of reciprocal sequences on x86 targets.

2008-01-08  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/34683
        * tree-flow-inline.h (var_ann): Remove overzealous asserts.

2008-01-07  Jakub Jelinek  <jakub@redhat.com>

        PR target/34622
        * config/darwin.c (darwin_mergeable_string_section): Don't use
        .cstring if int_size_in_bytes != TREE_STRING_LENGTH.

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

        PR target/34682
        * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
        negxf2.  Macroize expander using X87MODEF mode iterator.  Change
        predicates of op0 and op1 to register_operand.
        (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
        expander using X87MODEF mode iterator.  Change predicates of
        op0 and op1 to register_operand.
        ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
        corresponding patterns and macroize using MODEF macro.  Change
        predicates of op0 and op1 to register_operand and remove
        "m" constraint. Disparage "r" alternative with "!".
        ("*absneg<mode>2_i387"): Rename from corresponding patterns and
        macroize using X87MODEF macro.  Change predicates of op0 and op1
        to register_operand and remove "m" constraint.  Disparage "r"
        alternative with "!".
        (absneg splitter with memory operands): Remove.
        ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
        patterns and macroize using X87MODEF mode iterator.
        * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
        Change predicate of op1 to register_operand.
        * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
        for memory operands.

2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>

        * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.

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

        * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
        fields.

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

        PR tree-optimization/34683
        * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
        VOPs of the needed size to save memory.  Use VEC_quick_push
        to save compile-time.
        (vdefs_to_vec): Likewise.

2008-01-07  Sa Liu  <saliu@de.ibm.com>

        * config/spu/spu.md (divdf3): Genetate inline code for double
        division.  The implementation doesn't handle INF or NAN, therefore it
        only applies when -ffinite-math-only is given.

2008-01-06  Paolo Carlini  <pcarlini@suse.de>

        PR libstdc++/34680
        * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
        * doc/cpp.texi ([Common Predefined Macros]): Document.

2008-01-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
        order to use commutative addition instead of subtraction.

2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
            Mircea Namolaru  <namolaru@il.ibm.com>
            Vladimir Yanovsky  <yanov@il.ibm.com>
            Revital Eres  <eres@il.ibm.com>

        PR tree-optimization/34263
        * tree-outof-ssa.c (process_single_block_loop_latch,
        contains_tree_r): New functions.
        (analyze_edges_for_bb): Call process_single_block_loop_latch
        function to empty single-basic-block latch block if possible.

2008-01-05  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
        for TARGET_RECIP.
        (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.

2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>

        * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.

2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.

2008-01-05  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/34618
        * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
        flag from T.

2008-01-05  Uros Bizjak  <ubizjak@gmail.com>

        PR target/34673
        * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
        in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
        Update copyright year.

        * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
        Update copyright year.
        * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
        using NR fixup.

2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>

        * tree-vrp.c (find_conditional_asserts): Remove redundant check that
        edge does not point to current bb before changing need_assert.

2008-01-04  Richard Guenther  <rguenther@suse.de>

        PR middle-end/34029
        * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
        for verifying purposes if they are is_gimple_min_invariant.

2008-01-04  Aldy Hernandez  <aldyh@redhat.com>

        PR tree-optimization/34448
        PR tree-optimization/34465
        * gimplify.c (gimplify_init_constructor): Add new parameter
        notify_temp_creation.  Use it.
        (gimplify_modify_expr_rhs): Take volatiles into account when
        optimizing constructors.
        Do not optimize constructors if gimplify_init_constructor will dump to
        memory.
        * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
        * gcc.c-torture/compile/pr34448.c: New.

2008-01-04  Jakub Jelinek  <jakub@redhat.com>

        PR gcov-profile/34609
        * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
        return_slot if result is TREE_ADDRESSABLE.

2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.md (sqrt_condition): Tweak comment.
        (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.

2008-01-03  Tom Tromey  <tromey@redhat.com>

        PR c/34457
        * c-common.c (c_type_hash): Handle VLAs.

2008-01-03  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/31081
        * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
        0 when inlining and not inlining to first basic block.
        (remap_decl): When var is initialized to 0, don't set default_def.
        (expand_call_inline): Set entry_bb.
        * tree-inline.h (copy_body_data): Add entry_bb.

2008-01-03  Jakub Jelinek  <jakub@redhat.com>

        PR c++/34619
        * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
        before returning.

        PR tree-optimization/29484
        * tree-inline.c (inline_forbidden_p_2): New function.
        (inline_forbidden_p): Disallow inlining if some static var
        has an address of a local LABEL_DECL in its initializer.
        * doc/extend.texi (Labels as Values): Document &&foo behaviour
        vs. inlining.

2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/34635
        * tree-data-ref.c (add_other_self_distances): Make sure that the
        evolution step is constant.

2008-01-03  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/34608
        * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.

2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>

        * tree-sra.c (scalarize_init): Insert the generate_element_init
        statements after the generate_element_zero statements.

2008-01-02  Richard Guenther  <rguenther@suse.de>

        PR middle-end/34093
        PR middle-end/31976
        * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
        for very large number of operands instead of ICEing.

2008-01-02  Arthur Norman <acn1@cam.ac.uk>

        PR target/34013
        * config/i386/i386.c (ix86_expand_prologue): Save red-zone
        while stack probing.

2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>

        * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
        in C++0x mode.

2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>

        PR libmudflap/26442
        * tree-mudflap.c (mx_register_decls): Guard warning by
        !DECL_ARTIFICIAL check.

2008-01-01  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
        sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
        sse5_perm<mode>): Fix constraints.