* configure.ac (gcc_cv_ld_hidden): Sun ld on Solaris 9 and up

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

2008-12-16  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * configure.ac (gcc_cv_ld_hidden): Sun ld on Solaris 9 and up
        supports hidden.
        * configure: Regenerate.

2008-12-16  Richard Earnshaw  <rearnsha@arm.com>

        PR target/37436
        * arm.c (arm_legitimate_index): Only accept addresses that are in
        canonical form.
        * predicates.md (arm_reg_or_extendqisi_mem_op): New predicate.
        * arm.md (extendqihi2): Use arm_reg_or_extendqisi_mem_op predicate
        for operand1.
        (extendqisi2): Likewise.
        (arm_extendqisi, arm_extendqisi_v6): Use arm_extendqisi_mem_op
        predicate for operand1.
        
2008-12-15  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.c (mips_output_conditional_branch): Assert that
        openrands[1] is a CODE_LABEL.

2008-12-15  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (mips_expand_builtin_direct): Set TARGET to
        the result of mips_prepare_builtin_target.

2008-12-15  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_abicalls
        if TARGET_ABICALLS is true.

2008-12-15  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.md (move_doubleword_fpr<mode>): Use
        TARGET_FLOAT64 && !TARGET_64BIT to detect the mxhc1 case.

2008-12-15  Hariharan Sandanagobalane <hariharan@picochip.com>

        * config/picochip/picochip.c (picochip_override_options): Disable CFI
        asm and change the signature of brev and byteSwap functions to use
        unsigned values.
        * config/picochip/picochip.md (commsTestPort): This is a complex
        instruction and should not be vliwed. Dont set insn type.

2008-12-15  Wolfgang Gellerich  <gellerich@de.ibm.com>
        * config/s390/s390.c (s390_swap_cmp): New function.
        (s390_non_addr_reg_read_p): New function.
        (s390_z10_optimize_cmp): New function.
        (s390_reorg): Added call to s390_optimize_cmp.
        * config/s390/s390.md (nop1): New insn.

2008-12-12  Rainer Emrich  <r.emrich@de.tecosim.com>

        PR bootstrap/38383
        * pa64-hpux.h (LINK_GCC_C_SEQUENCE_SPEC): Don't hardcode search path
        for the milli.a library.

2008-12-12  Andrew Pinski  <andrew_pinskia@playstation.sony.com>
            Peter Bergner <bergner@vnet.ibm.com>

        PR target/24779
        * config/rs6000/rs6000.md (call_indirect_aix32): Move the load of the
        TOC into the call pattern.
        (call_indirect_aix64): Likewise.
        (call_value_indirect_aix32): Likewise.
        (call_value_indirect_aix64): Likewise.
        (call_indirect_nonlocal_aix32_internal): New insn and split patterns
        to split off the load of the TOC.
        (call_indirect_nonlocal_aix32): Enable only after reload.
        (call_indirect_nonlocal_aix64_internal): New insn and split patterns
        to split off the load of the TOC.
        (call_indirect_nonlocal_aix64): Enable only after reload.
        (call_value_indirect_nonlocal_aix32_internal): New insn and split
        patterns to split off the load of the TOC.
        (call_value_indirect_nonlocal_aix32): Enable only after reload.
        (call_value_indirect_nonlocal_aix64_internal): New insn and split
        patterns to split off the load of the TOC.
        (call_value_indirect_nonlocal_aix64): Enable only after reload.

2008-12-12  Andreas Schwab  <schwab@suse.de>

        Revert:
        2008-12-12  Andreas Schwab  <schwab@suse.de>
        * cfgrtl.c (rtl_verify_flow_info_1): Don't apply BLOCK_FOR_INSN on
        a BARRIER insn.

2008-12-12  Zdenek Dvorak  <ook@ucw.cz>

        PR tree-optimization/32044
        * tree-scalar-evolution.h (expression_expensive_p): Declare.
        * tree-scalar-evolution.c (expression_expensive_p): New function.
        (scev_const_prop): Avoid introducing expensive expressions.
        * tree-ssa-loop-ivopts.c (may_eliminate_iv): Ditto.

2008-12-12  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/38409
        * graphite.c (nb_reductions_in_loop): Use simple_iv.

2008-12-12  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>

        * config/i386/x86intrin.h: New header file to support all x86
        intrinsics
        * config.gcc (extra_headers): For x86 and x86-64, add x86intrin.h

2008-12-12  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/38402
        * gcc/doc/md.texi: Remove Y and document Yz, Y2, Yi and Ym
        constraints for x86.

2008-12-12  Andreas Schwab  <schwab@suse.de>

        * cfgrtl.c (rtl_verify_flow_info_1): Don't apply BLOCK_FOR_INSN on
        a BARRIER insn.

2008-12-12  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/sync.md (memory_barrier): Remove mem:BLK from operands.
        Use Pmode for scratch reg.
        (*mb_internal): Use (match_dup 0) for unspec operand.

2008-12-12  Alexandre Oliva  <aoliva@redhat.com>

        * tree-vrp.c (extract_range_from_binary_expr): Don't shift by
        floor_log2 of zero.  Negate widened zero.

2008-12-12  Ben Elliston  <bje@au.ibm.com>

        * config/fp-bit.c (nan): Rename from this ...
        (makenan): ... to this.

2008-12-11  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.md (*branch_bit<bbv><mode>,
        *branch_bit<bbv><mode>_inverted): Renumber operands so that the
        label becomes operands[1].

2008-12-11  Harsha Jagasia  <harsha.jagasia@amd.com>

        PR tree-optimization/38446
        * graphite.c (register_bb_in_sese): New.
        (bb_in_sese_p): Check if bb belongs to sese region by explicitly
        looking at the bbs in the region.
        * graphite.h (sese): Add region_basic_blocks pointer set to
        structure and initialize at the time of defining new scop.

2008-12-11  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (new_graphite_bb): Initialize GBB_STATIC_SCHEDULE.
        (find_params_in_bb): Do not free data refs.
        (free_graphite_bb): Add FIXME on disabled free_data_refs.

2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (struct ivtype_map_elt): New.
        (debug_ivtype_elt, debug_ivtype_map_1, debug_ivtype_map,
        new_ivtype_map_elt, ivtype_map_elt_info, eq_ivtype_map_elts,
        gcc_type_for_cloog_iv): New.
        (loop_iv_stack_patch_for_consts): Use the type of the induction
        variable from the original loop, except for the automatically
        generated loops, i.e., in the case of a strip-mined loop, in
        which case there is no original loop: in that case just use
        integer_type_node.
        (new_graphite_bb): Initialize GBB_CLOOG_IV_TYPES.
        (free_graphite_bb): Free GBB_CLOOG_IV_TYPES.
        (clast_name_to_gcc): Accept params to be NULL.
        (clast_to_gcc_expression): Take an extra parameter for the type.
        Convert to that type all the expressions built by this function.
        (gcc_type_for_clast_expr, gcc_type_for_clast_eq): New.
        (graphite_translate_clast_equation): Compute the type of the
        clast_equation before translating its LHS and RHS.
        (clast_get_body_of_loop, gcc_type_for_iv_of_clast_loop): New.
        (graphite_create_new_loop): Compute the type of the induction
        variable before translating the lower and upper bounds and before
        creating the induction variable.
        (rename_variables_from_edge, rename_phis_end_scop): New.
        (copy_bb_and_scalar_dependences): Call rename_phis_end_scop.
        (sese_add_exit_phis_edge): Do not use integer_zero_node.
        (find_cloog_iv_in_expr, compute_cloog_iv_types_1,
        compute_cloog_iv_types): New.
        (gloog): Call compute_cloog_iv_types before starting the
        translation of the clast.

        * graphite.h (struct graphite_bb): New field cloog_iv_types.
        (GBB_CLOOG_IV_TYPES): New.
        (debug_ivtype_map): Declared.
        (oldiv_for_loop): New.

2008-12-10  Tobias Grosser  <grosser@fim.uni-passau.de>

        PR middle-end/38459
        * graphite.c (new_scop): Initialize SCOP_ADD_PARAMS.
        (param_index): Assert if parameter is not know after parameter
        detection.
        (find_params_in_bb): Detect params directly in GBB_CONDITIONS.
        (find_scop_parameters): Mark, that we have finished parameter
        detection.
        (graphite_transform_loops): Move condition detection before parameter
        detection.
        * graphite.h (struct scop): Add SCOP_ADD_PARAMS.

2008-12-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR testsuite/35677
        * emutls.c (__emutls_get_address): Make sure offset is really zero
        before initializing the object's offset.

2008-12-11  Jakub Jelinek  <jakub@redhat.com>

        PR c++/38253
        * gimplify.c (gimplify_init_constructor): Don't force constructor
        into memory if there is just one nonzero element.

2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>

        Fix testsuite/gfortran.dg/graphite/id-4.f90.
        * graphite.c (scan_tree_for_params): Do not compute the multiplicand
        when not needed.

2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (build_scops_1): Initialize open_scop.exit
        and sinfo.last.

2008-12-11  Sebastian Pop  <sebastian.pop@amd.com>
            Jan Sjodin  <jan.sjodin@amd.com>
            Harsha Jagasia  <harsha.jagasia@amd.com>

        PR middle-end/37852
        PR middle-end/37883
        PR middle-end/37928
        PR middle-end/37980
        PR middle-end/38038
        PR middle-end/38039
        PR middle-end/38073
        PR middle-end/38083
        PR middle-end/38125

        * tree-phinodes.c (remove_phi_nodes): New, extracted from...
        * tree-cfg.c (remove_phi_nodes_and_edges_for_unreachable_block):
        ... here.
        * tree-flow.h (remove_phi_nodes, canonicalize_loop_ivs): Declared.
        * Makefile.in (graphite.o): Depend on value-prof.h.
        (graphite.o-warn): Removed -Wno-error.
        * tree-parloops.c (canonicalize_loop_ivs): Allow reduction_list
        to be a NULL pointer.  Call update_stmt.  Return the newly created
        cannonical induction variable.

        * graphite.h (debug_rename_map): Declared.  Fix some comments.

        * graphite.c: Reimplement the code generation from graphite to gimple.
        Include value-prof.h.
        (loop_iv_stack_get_iv): Do not return NULL for constant substitutions.
        (get_old_iv_from_ssa_name): Removed.
        (graphite_stmt_p): New.
        (new_graphite_bb): Test for useful statements before building a
        graphite statement for the basic block.
        (free_graphite_bb): Do not free GBB_DATA_REFS: this is a bug
        in free_data_ref that calls BITMAP_FREE (DR_VOPS (dr)) without reason.
        (recompute_all_dominators, graphite_verify,
        nb_reductions_in_loop, graphite_loop_normal_form): New.
        (scop_record_loop): Call graphite_loop_normal_form.
        (build_scop_loop_nests): Iterate over all the blocks of the
        function instead of relying on the incomplete information from
        SCOP_BBS.  Return the success of the operation.
        (find_params_in_bb): Use the data from GBB_DATA_REFS.
        (add_bb_domains): Removed.
        (build_loop_iteration_domains): Don't call add_bb_domains.
        Add the iteration domain only to the basic blocks that have been
        translated to graphite.
        (build_scop_conditions_1): Add constraints only if the basic
        block have been translated to graphite.
        (build_scop_data_accesses): Completely disabled until data
        dependence is correctly implemented.
        (debug_rename_elt, debug_rename_map_1, debug_rename_map): New.
        (remove_all_edges_1, remove_all_edges): Removed.
        (get_new_name_from_old_name): New.
        (graphite_rename_variables_in_stmt): Renamed.
        rename_variables_in_stmt.  Call get_new_name_from_old_name.
        Use replace_exp and update_stmt.
        (is_old_iv): Renamed is_iv.
        (expand_scalar_variables_stmt): Extra parameter for renaming map.
        Use replace_exp and update_stmt.
        (expand_scalar_variables_expr): Same.  Use the map to get the
        new names for the renaming of induction variables and for the
        renaming of variables after a basic block has been copied.
        (expand_scalar_variables): Same.
        (graphite_rename_variables): Renamed rename_variables.
        (move_phi_nodes): Removed.
        (get_false_edge_from_guard_bb): New.
        (build_iv_mapping): Do not insert the induction variable of a
        loop in the renaming iv map if the basic block does not belong
        to that loop.
        (register_old_new_names, graphite_copy_stmts_from_block,
        copy_bb_and_scalar_dependences): New.
        (translate_clast): Heavily reimplemented: copy basic blocks,
        do not move them.  Finally, in call cleanup_tree_cfg in gloog.
        At each translation step call graphite_verify ensuring the
        consistency of the SSA, loops and dominators information.
        (collect_virtual_phis, find_vdef_for_var_in_bb,
        find_vdef_for_var_1, find_vdef_for_var,
        patch_phis_for_virtual_defs): Removed huge hack.
        (mark_old_loops, remove_dead_loops, skip_phi_defs,
        collect_scop_exit_phi_args, patch_scop_exit_phi_args,
        gbb_can_be_ignored, scop_remove_ignoreable_gbbs): Removed.
        (remove_sese_region, ifsese, if_region_entry, if_region_exit,
        if_region_get_condition_block, if_region_set_false_region,
        create_if_region_on_edge, move_sese_in_condition, bb_in_sese_p,
        sese_find_uses_to_rename_use, sese_find_uses_to_rename_bb,
        sese_add_exit_phis_edge, sese_add_exit_phis_var,
        rewrite_into_sese_closed_ssa): New.
        (gloog): Remove dead code.  Early return if code cannot be
        generated.  Call cleanup_tree_cfg once the scop has been code
        generated.
        (graphite_trans_scop_block, graphite_trans_loop_block): Do not
        block loops with less than two loops.
        (graphite_apply_transformations): Remove the call to
        scop_remove_ignoreable_gbbs.
        (limit_scops): When build_scop_loop_nests fails, continue on next
        scop.  Fix open_scop.entry.
        (graphite_transform_loops): Call recompute_all_dominators: force the
        recomputation of correct CDI_DOMINATORS and CDI_POST_DOMINATORS.
        Call initialize_original_copy_tables and free_original_copy_tables
        to be able to copy basic blocks during code generation.
        When build_scop_loop_nests fails, continue on next scop.
        (value_clast): New union.
        (clast_to_gcc_expression): Fix type cast warning.

2008-12-10  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36792
        * tree-ssa-pre.c (compute_avail): Handle tcc_comparison like
        tcc_binary.

2008-12-10  Daniel Berlin  <dberlin@dberlin.org>

        PR tree-optimization/36792
        * tree-ssa-pre.c (compute_avail): Don't insert defs into maximal set.

2008-12-10  Alexandre Oliva  <aoliva@redhat.com>

        PR target/37033
        * dwarf2out.c (saved_do_cfi_asm): New.
        (dwarf2out_do_frame): Take it into account.
        (dwarf2out_d_cfi_asm): Likewise.  Set it when appropriate.

2008-12-10  Alexandre Oliva  <aoliva@redhat.com>

        PR middle-end/38271
        * tree-sra.c (sra_build_bf_assignment): Avoid warnings for
        variables initialized from SRAed bit fields.

2008-12-10  Martin Guy <martinwguy@yahoo.it>

        PR target/37668
        * arm.c (arm_size_rtx_costs, case NEG): Don't fall through if the
        result will be in an FPU register.

2008-12-10  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/37170
        PR target/38448
        * final.c (output_addr_const) <SYMBOL_REF>: Call assemble_external
        on the associated SYMBOL_REF_DECL node, if any.

2008-12-09 David Daney <ddaney@caviumnetworks.com>

        * config/mips/sync.md (sync_<optab>_12): Replace
        MIPS_SYNC_OP_12_NOT_NOP with MIPS_SYNC_OP_12_AND.
        (sync_old_<optab>_12): Remove third paramater to
        MIPS_SYNC_OLD_OP_12 macro, replace MIPS_SYNC_OLD_OP_12_NOT_NOP
        with MIPS_SYNC_OLD_OP_12_AND.
        (sync_new_<optab>_12): Replace MIPS_SYNC_NEW_OP_12_NOT_NOP
        with MIPS_SYNC_NEW_OP_12_AND.
        (sync_nand_12): Replace MIPS_SYNC_OP_12_NOT_NOT with
        MIPS_SYNC_OP_12_XOR, reduce length attribute to 40.
        (sync_old_nand_12): Remove third paramater to MIPS_SYNC_OLD_OP_12
        macro, replace MIPS_SYNC_OLD_OP_12_NOT_NOT with
        MIPS_SYNC_OLD_OP_12_XOR and reduce length attribute to 40.
        (sync_new_nand_12): Replace MIPS_SYNC_NEW_OP_12_NOT_NOT with
        MIPS_SYNC_NEW_OP_12_XOR.
        * config/mips/mips.h (MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
        MIPS_SYNC_OP_12_NOT_NOT,MIPS_SYNC_OLD_OP_12_NOT_NOP,
        MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_NEW_OP_12,
        MIPS_SYNC_NEW_OP_12_NOT_NOP, MIPS_SYNC_NEW_OP_12_NOT_NOT,
        MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND, MIPS_SYNC_NEW_NAND): Rewritten
        to implement new __sync_nand semantics.
        (MIPS_SYNC_OLD_OP_12): Implement new __sync_nand semantics, and
        remove third parameter.
        (MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
        MIPS_SYNC_OLD_OP_12_NOT_NOT_REG): Removed.
        (MIPS_SYNC_OP_12_NOT_NOP): Renamed to MIPS_SYNC_OP_12_AND.
        (MIPS_SYNC_OP_12_NOT_NOT): Renamed to MIPS_SYNC_OP_12_XOR.
        (MIPS_SYNC_OLD_OP_12_NOT_NOP): Renamed to MIPS_SYNC_OLD_OP_12_AND.
        (MIPS_SYNC_OLD_OP_12_NOT_NOT): Renamed to MIPS_SYNC_OLD_OP_12_XOR.
        (MIPS_SYNC_NEW_OP_12_NOT_NOP): Renamed to MIPS_SYNC_NEW_OP_12_AND.
        (MIPS_SYNC_NEW_OP_12_NOT_NOT): Renamed to MIPS_SYNC_NEW_OP_12_XOR

2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (graphite_transform_loops): Always call find_transform ()
        in ENABLE_CHECKING.  So we test these code paths, even if we do not
        generate code.

2008-12-09  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (print_graphite_bb): Fix printing to file != dump_file.

2008-12-09  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/38454
        * function.h (struct function): Add always_inline_functions_inlined.
        * ipa-inline.c (cgraph_early_inlining): Set it to true.
        * tree-optimize.c (execute_fixup_cfg): Likewise.
        * builtins.c (avoid_folding_inline_builtin): New function.
        (fold_call_expr): Don't optimize always_inline builtins before
        inlining.
        (fold_call_stmt): Likewise.
        (fold_builtin_call_array): Likewise.  Don't call
        fold_builtin_varargs for BUILT_IN_MD builtins.

        PR tree-optimization/37416
        * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Handle NOP_EXPR.

2008-12-09  Janis Johnson  <janis187@us.ibm.com>

        * doc/sourcebuild.texi (Test Directives): Fix formatting.

2008-12-09  Vladimir Makarov  <vmakarov@redhat.com>

        * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.

        * doc/invoke.texi (-fira-region): Describe new option.
        (-fira-algorithm): Change the values.

        * ira-conflicts.c (build_conflict_bit_table,
        build_allocno_conflicts): Use ira_reg_classes_intersect_p.
        (ira_build_conflicts): Use flag flag_ira_region instead of
        flag_ira_algorithm.  Prohibit usage of callee-saved likely spilled
        base registers for allocnos crossing calls.

        * flags.h (enum ira_algorithm): Redefine.
        (enum ira_region): New.
        (flag_ira_region): New.

        * cfgloopanal.c (estimate_reg_pressure_cost): Use flag_ira_region
        instead of flag_ira_algorithm.

        * toplev.c (flag_ira_algorithm): Change the initial value.
        (flag_ira_region): New.

        * ira-int.h (ira_reg_classes_intersect_p,
        ira_reg_class_super_classes): New.

        * ira-color.c (update_copy_costs): Use
        ira_reg_classes_intersect_p.  Use right class to find hard reg index.
        (update_conflict_hard_regno_costs): Ditto.  Add a new parameter.
        (assign_hard_reg): Ditto.  Pass additional argument to
        update_conflict_hard_regno_costs.  Do not uncoalesce for priority
        coloring.
        (allocno_priorities, setup_allocno_priorities,
        allocno_priority_compare_func): Move before color_allocnos.
        (color_allocnos): Add priority coloring.  Use flag flag_ira_region
        instead of flag_ira_algorithm.
        (move_spill_restore): Check classes of the same reg allocno from
        different regions.
        (update_curr_costs): Use ira_reg_classes_intersect_p.
        (ira_reassign_conflict_allocnos): Ditto.

        * opts.c (decode_options): Always set up flag_ira.  Set up
        flag_ira_algorithm.  Warn CB can not be used for architecture.
        (common_handle_option): Modify code for -fira-algorithm.  Add code
        to process -fira-region.

        * ira-lives.c (update_allocno_pressure_excess_length): Process
        superclasses too.
        (set_allocno_live, clear_allocno_live, mark_reg_live,
        mark_reg_dead, process_bb_node_lives): Ditto.

        * ira-emit.c (ira_emit): Fix insn codes.

        * ira-build.c (propagate_allocno_info): Use flag flag_ira_region
        instead of flag_ira_algorithm.
        (allocno_range_compare_func): Ignore classes for priority coloring.
        (setup_min_max_conflict_allocno_ids): Ditto.
        (ira_flattening): Use ira_reg_classes_intersect_p.

        * genpreds.c (write_enum_constraint_num): Output CONSTRAINT__LIMIT.

        * common.opt (fira-algorithm): Modify.
        (fira-region): New.

        * ira.c (setup_class_hard_regs): Initialize.
        (setup_cover_and_important_classes): Modify code setting class
        related info for priority coloring.
        (setup_class_translate): Ditto.
        (ira_reg_classes_intersect_p, ira_reg_class_super_classes): New.
        (setup_reg_class_intersect_union): Rename to
        setup_reg_class_relations.  Add code for setting up new variables.
        (find_reg_class_closure): Do not check targetm.ira_cover_classes.
        (ira): Use flag flag_ira_region instead of flag_ira_algorithm.

        * ira-costs.c (common_classes): New.
        (print_costs): Use flag flag_ira_region instead of flag_ira_algorithm.
        (find_allocno_class_costs): Ditto.  Use common_classes.  Translate
        alt_class.
        (ira_costs): Allocate/deallocate common_classes.

        * config/m32c/m32.h (REG_ALLOC_ORDER): Add reg 19.
        (REG_CLASS_CONTENTS, reg_class, REG_CLASS_NAMES): New entries for
        R02A_REGS.

        * reload1.c (choose_reload_regs): Use MODE_INT for partial ints in
        smallest_mode_for_size.

2008-12-10  Ben Elliston  <bje@au.ibm.com>

        * config/rs6000/linux-unwind.h (get_regs): Constify casts.

2008-12-09  Jan Hubicka  <jh@suse.cz>

        * predict.c (estimate_bb_frequencies): Fix test if profile is present.

2008-12-09  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/35468
        * tree-ssa-ccp.c (fold_stmt_r): Don't fold reads from constant
        string on LHS.

2008-12-09  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38445
        * tree-ssa-structalias.c (emit_pointer_definition): Only visit
        names once.
        (emit_alias_warning): Adjust.

2008-12-09  Andrew Haley  <aph@redhat.com>

        * fixed-value.c (do_fixed_add): Add comment.
        * tree-ssa-loop-ivopts.c (iv_ca_cost): Likewise.
        * builtins.c (fold_builtin_sqrt): Likewise.

2008-12-09  Kai Tietz  <kai.tietz@onevision.com>

        PR/38366
        * function.c (aggregate_value_p): Get fntype from CALL_EXPR in any
        case.
        * calls.c (nitialize_argument_information): Add fntype argument
        and use it for calls.promote_function_args.
        (expand_call): Pass fntype to aggregate_value_p if no fndecl
        available and pass additional fntype to
        initialize_argument_information.
        * config/i386/i386.c (ix86_reg_parm_stack_space): Remove cfun part
        to get function abi type.
        (init_cumulative_args): Use for abi kind detection fntype, when no
        fndecl is available.

2008-12-09  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.md (movti, movdi_64, movdi_31,
        *movsi_zarch, *movhi, *movqi, *mov<mode>_64, *mov<mode>_31,
        *mov<mode>_64dfp, *mov<mode>_64, *mov<mode>_31, mov<mode>): Remove
        Q->Q alternative.
        (Integer->BLKmode splitter): Removed.

2008-12-08  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (alpha_set_memflags): Process memory
        references in full insn sequence.

2008-12-09  Jason Merrill  <jason@redhat.com>

        * gimplify.c (gimplify_init_constructor): Revert to using < rather
        than <= for sparseness test.

        PR c++/38410
        * gimplify.c (gimplify_init_constructor): Don't write out a static
        copy of the CONSTRUCTOR for TREE_ADDRESSABLE types or small sparse
        initializers.

2008-12-09 Tobias Grosser  <grosser@fim.uni-passau.de>

        PR middle-end/38084
        Fix testsuite/gfortran.dg/graphite/id-3.f90.
        * graphite.c (scopdet_basic_block_info): Fix bug that found some
        regions more than once.

2008-12-09  Ben Elliston  <bje@au.ibm.com>

        * emutls.c (__emutls_get_address): Prototype.
        (__emutls_register_common): Likewise.

        * config/dfp-bit.c (DFP_TO_INT): Remove unnecessary cast.

2008-12-09  Ben Elliston  <bje@au.ibm.com>

        * config/rs6000/darwin-ldouble.c (fmsub): Remove unused variable, v.

2008-12-08  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.md (UNSPECV_GOTO_RECEIVER): New constant.
        (nonlocal_goto_receiver): New instruction.

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

        PR c/35443
        * c-pretty-print.c (pp_c_expression): Handle BIND_EXPR.

        PR c/35442
        * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
        VIEW_CONVERT_EXPR the same as CASE_CONVERT.

2008-12-08  Richard Henderson  <rth@redhat.com>

        PR 38240
        * tree.h (TYPE_MODE): Invoke vector_type_mode when needed.
        (SET_TYPE_MODE): New.
        * c-decl.c (parser_xref_tag): Use it.
        (finish_enum): Likewise.
        * tree.c (build_pointer_type_for_mode): Likewise.
        (build_reference_type_for_mode, build_index_type): Likewise.
        (build_range_type, make_vector_type): Likewise.
        (build_common_tree_nodes_2): Likewise.
        * stor-layout.c (compute_record_mode): Likewise.
        (finalize_type_size, layout_type, make_fract_type): Likewise.
        (make_accum_type, initialize_sizetypes): Likewise.
        (vector_type_mode): New.
        * function.c (allocate_struct_function): Call
        invoke_set_current_function_hook before querying anything else.

        * config/i386/i386.c (ix86_valid_target_attribute_inner_p): Add avx.

2008-12-08  Luis Machado  <luisgpm@br.ibm.com>

        * alias.c (find_base_term): Synch LO_SUM handling with what
        find_base_value does.

2008-12-08  Andrew Haley  <aph@redhat.com>
            Kamaraju Kusumanchi <raju.mailinglists@gmail.com>

        * gimple.h (gimple_build_try): Fix declaration.

        * builtins.c (fold_builtin_sqrt): Don't use a conditional operator.
        * fixed-value.c (do_fixed_add): Likewise.
        * tree-ssa-loop-ivopts.c (iv_ca_cost): Likewise.

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

        PR middle-end/36802
        * omp-low.c (use_pointer_for_field): Only call maybe_lookup_decl
        on parallel and task contexts.

2008-12-07  Eric Botcazou  <ebotcazou@adacore.com>

        * gimple.c (recalculate_side_effects) <tcc_constant>: New case.

2008-12-07  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38405
        * tree-vrp.c (simplify_truth_ops_using_ranges): Make sure to
        not sign-extend truth values.

2008-12-07  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-sra.c (scalarize_use): Create another temporary with the proper
        type for signed types in the use_all && !is_output bitfield case.

2008-12-06  Steven Bosscher  <steven@gcc.gnu.org>

        PR rtl-optimization/36365
        * df-core.c (df_worklist_dataflow_overeager): Remove.
        (df_worklist_dataflow): Don't call it, use double-queue only.
        * params.def (PARAM_DF_DOUBLE_QUQUQ_THRESHOLD_FACTOR): Remove.

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

        PR middle-end/38428
        * tree-ssa-operands.c (get_expr_operands) <case BIT_FIELD_REF>: Set
        gimple_set_has_volatile_ops if the BIT_FIELD_REF is volatile.

2008-12-07  Ben Elliston  <bje@au.ibm.com>

        * gthr-single.h (__gthread_once): Adjust prototype to match all
        other gthreads models.

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

        * config/i386/i386.c (override_options): Use CPU_AMDFAM10
        instead of PROCESSOR_AMDFAM10 for barcelona's schedule.

        PR middle-end/38422
        * fold-const.c (fold_unary) <CASE_CONVERT>: Don't convert MULT_EXPR
        operands to mult_type if it isn't narrower than op0's type.

2008-12-06  Jan Hubicka  <jh@suse.cz>
            Jakub Jelinek <jakub@redhat.com>

        PR tree-optimization/38074
        * cgraphbuild.c (compute_call_stmt_bb_frequency): Fix handling of 0
        entry frequency.
        * predict.c (combine_predictions_for_bb): Ignore predictor predicting
        in both dirrection for first match heuristics.
        (tree_bb_level_predictions): Disable noreturn heuristic when there
        is no returning path.

2008-12-05  Bernd Schmidt  <bernd.schmidt@analog.com>

        PR rtl-optimization/38272
        * reload1.c (choose_reload_regs): Keep reload_spill_index correct
        in all cases.

2008-12-05  Jakub Jelinek  <jakub@redhat.com>

        PR c++/35336
        * c-pretty-print.c (pp_c_postfix_expression): Handle BIT_FIELD_REF.
        (pp_c_expression): Likewise.

2008-12-05  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR c/38416
        * c-parser.c (struct c_token): Make pragma_kind 8 bits.

2008-12-05  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/37248
        * fold-const.c (make_bit_field_ref): Change bitpos and bitsize
        arguments to HOST_WIDE_INT.  If type has different signedness
        than unsignedp or different precision from bitsize, create
        the right type for BIT_FIELD_REF and cast to type.
        (fold_truthop): Change first_bit and end_bit to HOST_WIDE_INT.

        Revert:
        2008-03-05  Richard Guenther  <rguenther@suse.de>
        PR c++/35336
        * fold-const.c (fold_truthop): Remove code generating
        BIT_FIELD_REFs of structure bases.
        (fold_binary): Likewise.
        (make_bit_field_ref): Remove.
        (optimize_bit_field_compare): Remove.
        (all_ones_mask_p): Remove.

2008-12-05  Jakub Jelinek  <jakub@redhat.com>

        * tree-sra.c (sra_explode_bitfield_assignment): Always
        call unsigned_type_for, if the precision is higher than
        needed, call build_nonstandard_integer_type.

        PR debug/38367
        * function.c (assign_parm_find_stack_rtl): If promoted_mode
        is wider than DECL_MODE, adjust MEM_OFFSET (stack_parm) for
        big endian.

        PR middle-end/38338
        * builtins.c (expand_builtin_apply_args): Put before parm_birth_insn
        only if internal_arg_pointer is a non-virtual pseudo.

2008-12-05  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/rs6000.md (move_from_CR_gt_bit): Enable for
        TARGET_HARD_FLOAT && !TARGET_FPRS, not TARGET_E500.
        * config/rs6000/spe.md (e500_cr_ior_compare): Likewise.

2008-12-05  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/37716
        * gimplify.c (gimplify_expr): Allow COND_EXPR if
        gimplify_ctxp->allow_rhs_cond_expr.

2008-12-05  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (alpha_fold_vector_minmax): Create
        VIEW_CONVERT_EXPR to convert output to long_integer_type_node.

        (alpha_emit_conditional_branch): Do not generate direct branch
        for UNORDERED comparisons.

2008-12-05  Andreas Schwab  <schwab@suse.de>

        * config/rs6000/linux-unwind.h (frob_update_context): Check for
        NULL lr.

2008-12-05  Jakub Jelinek  <jakub@redhat.com>

        PR c/38408
        * fold-const.c (fold_checksum_tree): Change buf type to union
        tree_node.

2008-12-05  Sebastian Pop  <sebastian.pop@amd.com>

        PR bootstrap/38262
        * Makefile.in (LIBS): Remove GMPLIBS, CLOOGLIBS and PPLLIBS.
        (BACKENDLIBS): New.
        (cc1-dummy, cc1): Add BACKENDLIBS, remove GMPLIBS.

2008-12-05  Ben Elliston  <bje@au.ibm.com>

        * c-parser.c (c_parser_enum_specifier): Initialise ident_loc and
        comma_loc.
        (c_parser_initelt): Initialise des_loc and ellipsis_loc.

2008-12-04  Eric Botcazou  <ebotcazou@adacore.com>
            Gary Funck  <gary@intrepid.com>

        * cse.c (lookup_as_function): Delete mode frobbing code.
        (equiv_constant): Re-implement it there for SUBREGs.

2008-12-04  Richard Guenther  <rguenther@suse.de>

        PR middle-end/36509
        * Makefile.in (tree-ssa-alias-warnings.o): Remove.
        (tree-ssa-structalias.o): Remove errors.h dependency.
        (tree-ssa-reassoc.o): Likewise.
        * tree-ssa-reassoc.c: Do not include errors.h.
        * tree-ssa-alias-warnings.c: Remove.
        * tree-ssa-alias.c (compute_may_aliases): Remove call to
        strict_aliasing_warning_backend.
        * tree-ssa-structalias.c (emit_pointer_definition): New function.
        (emit_alias_warning): Likewise.
        (set_uids_in_ptset): Warn for clear cases of type-punning.
        * tree-inline.c (remap_gimple_op_r): Preserve TREE_NO_WARNING
        on INDIRECT_REFs.

2008-12-04  Eric Botcazou  <ebotcazou@adacore.com>

        * cse.c (equiv_constant): Fix pasto.

2008-12-04  Nick Clifton  <nickc@redhat.com>

        * config/stormy16/stormy16.md: Remove extraneous spaces and quotes.
        * config/stormy16/stormy16.c: Remove extraneous spaces and fix up
        formatting of quotes.

2008-12-04  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/38371
        * fold-const.c (fold_checksum_tree): Allow modification of
        TYPE_NEXT_VARIANT.

2008-12-03  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/38360
        * tree-ssa-ccp.c (ccp_fold_builtin): Bail out if the builtin doesn't
        have the right number of arguments.

2008-12-03  Richard Guenther  <rguenther@suse.de>

        PR middle-end/36326
        * gimplify.c (is_gimple_mem_or_call_rhs): Remove work-around for
        non-BLKmode types.

2008-12-03  Tomas Bily  <tbily@suse.cz>

        PR middle-end/38250
        * tree-loop-distribution.c (build_size_arg): New function.
        (generate_memset_zero): Checks if dr_analyze_innermost succeed.
        Reorganized generating of stmts.
        * testsuite/gcc.dg/tree-ssa/pr38250.c: New file.
        * tree-data-ref.c (dr_analyze_innermost): Returns bool.
        Indicate if analysis succeed.
        * tree-data-ref.h (dr_analyze_innermost): Returns bool.
        * tree-predcom.c (valid_initializer_p, find_looparound_phi):
        Uses new definition of dr_analyze_innermost.

2008-12-03  Ben Elliston  <bje@au.ibm.com>

        * tree-ssa-pre.c (do_regular_insertion): Initialise edoubleprime.

2008-12-03  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/37716
        * tree-sra.c (sra_build_assignment): For scalar bitfield SRC construct
        all the needed operations as trees and gimplify_assign it to dst.

        PR target/37610
        * configure.ac (gcc_cv_readelf): Look for readelf.
        (gcc_cv_as_cfi_advance_working): Check for working
        cfi advances with code alignment factor > 1.
        (HAVE_GAS_CFI_DIRECTIVE): Don't define if cfi advances
        don't work properly.
        * configure: Regenerated.

2008-12-03  Eric Botcazou  <ebotcazou@adacore.com>
            Jakub Jelinek  <jakub@redhat.com>
            Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR rtl-optimization/38281
        * combine.c (distribute_notes): When invoking SET_INSN_DELETED on i2,
        set it to NULL_RTX afterwards.

        * emit-rtl.c (set_insn_deleted): Fix formatting.

2008-12-02  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (mips_expand_builtin): Fix the mode of the
        error return value.
        * config/mips/mips.md (IMOVE32): New mode iterator.
        (movsi): Generalize with IMOVE32.
        (*movsi_internal): Likewise.
        (*mov<mode>_mips16): Likewise.
        (*lwxs): Likewise.

2008-12-02  Nathan Sidwell  <nathan@codesourcery.com>
            Maxim Kuvyrkov  <maxim@codesourcery.com>

        * config/m68k/lb1sf68.asm (PICCALL, PICJUMP): Use GOT instead of
        PC-relative addressing when compiling for uclinux PIC.
        (__cmpdf_internal, __cmpsf_internal): Hide.
        (__cmpdf, __cmpsf): Use PIC call sequence.

2008-12-02  Andreas Tobler  <a.tobler@schweiz.org>
            Jack Howarth <howarth@bromo.med.uc.edu>

        * config/i386/t-darwin64: Add m32 multilib support.

2008-12-02  Jack Howarth  <howarth@bromo.med.uc.edu>

        * testsuite/gcc.dg/darwin-comm.c: Expand to darwin10 and later.

2008-12-02  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/38343
        * builtins.c (fold_builtin_memory_op): Convert len to sizetype
        before using it in POINTER_PLUS_EXPR.

2008-12-02  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38359
        * fold-const.c (fold_binary): Fold -1 >> x to -1 only for
        non-negative x.

2008-12-02  Martin Jambor  <mjambor@suse.cz>

        PR middle-end/37861
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not check
        for INDIRECT_REFs.
        (forward_propagate_addr_into_variable_array_index): Check that the
        offset is not computed from a MULT_EXPR, use is_gimple_assign rather
        than the gimple code directly.

2008-12-02  Ben Elliston  <bje@au.ibm.com>

        * config/spu/float_disf.c (__floatdisf): Prototype.
        * config/spu/float_unsdisf.c (__float_undisf): Likewise.
        * config/spu/float_unssidf.c (__float_unssidf): Constify cast.
        * config/spu/float_unsdidf.c (__float_unsdidf): Likewise.

2008-12-02  DJ Delorie  <dj@redhat.com>

        * config/stormy16/stormy16.h (INCOMING_FRAME_SP_OFFSET): Negate.
        (DWARF_CIE_DATA_ALIGNMENT): Define.

        * config/stormy16/stormy16.c (xstormy16_compute_stack_layout):
        Invert add/sub for INCOMING_FRAME_SP_OFFSET.
        (xstormy16_expand_prologue): Likewise.
        (xstormy16_expand_builtin_va_start): Likewise.
        (xstormy16_gimplify_va_arg_expr): Likewise.

2008-12-02  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/38343
        * builtins.c (expand_builtin_mempcpy_args): Handle COMPOUND_EXPRs
        potentially returned from folding memcpy.
        (expand_builtin_stpcpy_args): Similarly for folding strcpy.
        (fold_builtin_2): Handle BUILT_IN_STPCPY if result is ignored.

2008-12-02  Danny Smith  <dannysmith@users.sourceforge.net>

        PR target/38054
        * config/i386/winnt.c (i386_pe_encode_section_info): Condition stdcall
        decoration of function RTL names here on Ada language.

2008-12-01  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/38280
        * ira-build.c (loop_is_inside_p, regno_allocno_order_compare_func,
        ira_rebuild_regno_allocno_list): New functions.
        (regno_allocnos): New static variable.
        (remove_unnecessary_allocnos): Allocate/deallocate regno_allocnos.
        Call ira_rebuild_regno_allocno_list.

2008-12-01  David Daney  <ddaney@caviumnetworks.com>
            Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/linux64.h (DRIVER_SELF_SPECS): Add
        LINUX_DRIVER_SELF_SPECS.

2008-12-01  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/37514
        * reload1.c (reload_as_needed): Invalidate reg_last_reload
        from previous insns.

2008-12-01  Jakub Jelinek  <jakub@redhat.com>

        PR c++/38348
        * c-omp.c (c_finish_omp_for): Only transform pointer
        ++ or -- into MODIFY_EXPR if second argument is non-NULL.

        PR rtl-optimization/38245
        * tree-vrp.c (abs_extent_range): New function.
        (extract_range_from_binary_expr): Compute range
        for *_DIV_EXPR even if vr1 is VR_VARYING, VR_ANTI_RANGE
        or includes zero or if vr1 is VR_RANGE and op0 has some
        other range.

2008-12-01  Uros Bizjak  <ubizjak@gmail.com>

        PR middle-end/37908
        * config/alpha/alpha.c (alpha_split_atomic_op): Properly handle NAND
        case by calculating ~(new_reg & val) instead of (~new_reg & val).
        * config/alpha/sync.md (sync_nand<mode>): Change insn RTX
        to (not:I48MODE (and:I48MODE (...))).
        (sync_old_nand<mode>): Ditto.
        (sync_new_nand<mode>): Ditto.

2008-12-01  Nick Clifton  <nickc@redhat.com>

        * config/stormy16/stormy16.md (CARRY_REG): New constant.
        Replace uses of the "y" register class with direct references to
        the CARRY_REG register.
        * config/stormy16/stormy16.c: Replace clobbers of a BImode scratch
        register with clobbers of the carry register.
        (xstormy16_secondary_reload_class): Do not return CARRY_REGS.
        (xstormy16_split_cbranch): Remove redundant carry parameter.
        (xstormy16_expand_arith): Likewise.
        * config/stormy16/stormy16.h (enum reg_class): Remove CARRY_REGS.
        (IRA_COVER_CLASSES, REG_CLASS_NAMES, REG_CLASS_CONTENTS,
        REGNO_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
        (CARRY_REGNUM): Define.
        * config/stormy16/stormy16-protos.h (xstormy16_split_cbranch):
        Update prototype.
        (xstormy16_expand_arith): Likewise.

2008-12-01  Chen Liqin  <liqin.chen@sunplusct.com>

        * config/score/score.h (IRA_COVER_CLASSES): Define.

2008-11-30  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/38287
        * config/sparc/sparc.md (divsi3 expander): Remove constraints.
        (divsi3_sp32): Add new alternative with 'K' for operand #2.
        (cmp_sdiv_cc_set): Factor common string.
        (udivsi3_sp32): Add new alternative with 'K' for operand #2.
        Add TARGET_V9 case.
        (cmp_udiv_cc_set): Factor common string.

2008-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/38283
        * varasm.c (emutls_finish): Fix common registration.

2008-11-29  Jakub Jelinek  <jakub@redhat.com>

        PR target/29987
        * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.

2008-11-29  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_emit_sync): Remove support for
        operand wrapped in NOT.  Emit NAND as (ior (not X) (not Y)).
        (rs6000_split_atomic_op): Emit NAND as (ior (not X) (not Y)).
        * config/rs6000/sync.md (sync_nand<mode>): Represent NAND in RTL.
        Call rs6000_emit_sync with CODE=NOT and unmodified operands.
        Ignore sub-word case for now.
        (sync_nand<mode>_internal): Represent NAND in RTL.
        (sync_old_nand<mode): Same.
        (sync_old_name<mode>_internal): Same.
        (sync_new_nand<mode>): Same.
        (sync_new_nand<mode>_internal): Same.
        (sync_boolcshort_internal): Expect NAND.

2008-11-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/37955
        PR tree-optimization/37742
        * tree-vect-transform.c (vectorizable_store): Remove assert for
        compatible aliases.
        (vectorizable_load): Likewise.

2008-11-27  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (intra_create_variable_infos): Make
        a constraint for the static chain parameter.

2008-11-27  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.opt (micplb): New option.
        * config/bfin/linux.h (SUBTARGET_DRIVER_SELF_SPECS): Set it.
        * config/bfin/bfin-protos.h (WA_INDIRECT_CALLS,
        ENABLE_WA_INDIRECT_CALLS): New macros.
        * config/bfin/bfin.c (bfin_cpus): Add WA_INDIRECT_CALLS to
        all 54x CPUs.
        (indirect_call_p): New function.
        (workaround_speculation): Handle anomaly 05-00-0426 when
        ENABLE_WA_INDIRECT_CALLS is true.
        * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
        __WORKAROUND_INDIRECT_CALLS if ENABLE_WA_INDIRECT_CALLS.
        * doc/invoke.texi (Blackfin Options): Document -micplb.

2008-11-26  DJ Delorie  <dj@redhat.com>

        * config/m32c/mov.md ("extendhipsi2"): New.

        * config/m32c/bitops.md (bset_qi): Add memsym_operand predicate.

        * config/m32c/bitops.md (andhi3_24, iorhi3_24): Don't prefer HL class.
        * config/m32c/mov.md (zero_extendqihi2): Likewise.

2008-11-26  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.md (clear_hazard): Rename to
        clear_hazard_<mode>.  Use mode-specific addition.
        (clear_cache): Rename gen_clear_hazard to gen_clear_hazard_si
        or gen_clear_hazard_di depending on the size of Pmode.

2008-11-26  DJ Delorie  <dj@redhat.com>

        * configure.ac: Test m32c-elf-gas for .loc.
        * configure: Likewise.

2008-11-26  Janis Johnson  <janis187@us.ibm.com>

        PR testsuite/28870
        * doc/sourcebuild.texi (Test Directives): Add dg-timeout and
        dg-timeout-factor.

2008-11-26  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sync.md (memory_barrier_nosse): Disable also for
        TARGET_64BIT.  Remove special asm template for TARGET_64BIT case.
        (memory_barrier): Do not generate memory_barrier_nosse instruction
        for TARGET_64BIT.
        * config/i386/sse.md (*sse2_mfence): Also enable for TARGET_64BIT.

2008-11-26  Fredrik Unger  <fred@tree.se>

        * config/soft-fp/floatuntisf.c (__floatuntisf): Correct
        function name from __floatundisf.
        * config/soft-fp/fixdfti.c (__fixdfti): Correct argument type to
        DFtype.

2008-11-25  Daniel Berlin  <dberlin@dberlin.org>
            Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/37869
        * tree-ssa-structalias.c (struct constraint_graph): Remove
        pt_used and number_incoming members.
        (build_pred_graph): Do not allocate them.
        (condense_visit): Do not use them.
        (label_visit): Likewise.
        (free_var_substitution_info): Do not free them.

2008-11-25  Vladimir Makarov  <vmakarov@redhat.com>

        * doc/invoke.texi (ira-max-loops-num): Change semantics.

        * ira-int.h (struct ira_loop_tree_node): New member to_remove_p.

        * ira-color.c (allocno_spill_priority): New function.
        (remove_allocno_from_bucket_and_push, push_allocno_to_spill):
        Print more info about the spilled allocno.
        (push_allocnos_to_stack): Use allocno_spill_priority.  Add more
        checks on bad spill.

        * ira-build.c (loop_node_to_be_removed_p): Remove.
        (loop_compare_func, mark_loops_for_removal): New functions.
        (remove_uneccesary_loop_nodes_from_loop_t): Use member
        to_remove_p.
        (remove_unnecessary_allocnos): Call mark_loops_for_removal.

        * ira.c (ira): Don't change flag_ira_algorithm.

        * params.def (ira-max-loops-num): Change the value.

2008-11-25  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * config/m68k/m68k.md (extendsidi2, extendsidi2_mem): Merge, clean up.
        Disable unsupported alternative for ColdFire,
        add new alternative that ColdFire can handle.

2008-11-25  Eric Botcazou  <ebotcazou@adacore.com>

        * regrename.c (merge_overlapping_regs): Add registers artificially
        defined at the top of the basic block to the set of live ones just
        before the first insn.

2008-11-25  H.J. Lu  <hongjiu.lu@intel.com>
            Joey Ye  <joey.ye@intel.com>

        PR middle-end/37843
        * config/i386/i386.c (ix86_function_ok_for_sibcall): Return
        false if we need to align the outgoing stack.
        (ix86_update_stack_boundary): Check parm_stack_boundary.

2008-11-25  Richard Guenther  <rguenther@suse.de>

        PR middle-end/38151
        PR middle-end/38236
        * tree-ssa-alias.c (struct alias_info): Remove written_vars.
        Remove dereferenced_ptrs_store and dereferenced_ptrs_load
        in favor of dereferenced_ptrs.
        (init_alias_info): Adjust.
        (delete_alias_info): Likewise.
        (compute_flow_insensitive_aliasing): Properly
        include all aliased variables.
        (update_alias_info_1): Use dereferenced_ptrs.
        (setup_pointers_and_addressables): Likewise.
        (get_smt_for): Honor ref-all pointers and pointers with known alias
        set properly.
        * config/i386/i386.c (ix86_gimplify_va_arg): Use ref-all pointers.

2008-11-25  Uros Bizjak  <ubizjak@gmail.com>

        PR target/38254
        * config/i386/sync.md (memory_barrier_nosse): New insn pattern.
        (memory_barrier): Generate memory_barrier_nosse insn for !TARGET_SSE2.

2008-11-24  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * config/m68k/m68k.md (cmpdi): Use (scratch) instead of pseudo.

2008-11-24  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.h (ASM_OUTPUT_DEBUG_LABEL): Define.

2008-11-24  Maxim Kuvyrkov  <maxim@codesourcery.com>

        PR target/35018
        * config/m68k/m68k.md (ok_for_coldfire, enabled): New attributes.
        (addsi_lshrsi_31): Add ColdFire-friendly alternatives.

2008-11-24  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (UNSPECV_CMPXCHG): Rename from
        UNSPECV_CMPXCHG_[12].
        * config/i386/sync.md: Use UNSPECV_CMPXCHG instead of
        UNSPECV_CMPXCHG_[12].

        PR target/36793
        * config/i386/sync.md (memory_barrier): New expander.

2008-11-24  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/37135
        * dse.c (find_shift_sequence): Optimize extraction from a constant.

2008-11-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (function_arg): Revert 2008-10-26 change.

2008-11-23  Helge Deller  <deller@gmx.de>

        * pa/linux-atomic.c (EBUSY): Define if not _LP64.
        (__kernel_cmpxchg): Return -EBUSY if the kernel LWS call
        succeeded and lws_ret is not equal to oldval.

2008-11-23  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.md (consttable_4): Call mark_symbol_refs_as_used.

2008-11-22  Andreas Schwab  <schwab@suse.de>

        * varasm.c (default_file_start): Suppress ASM_APP_OFF also with
        -dA and -dP.

2008-11-22  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.md (rdhwr): Rename to rdhwr_synci_step_<mode>.
        Use constant 1 as the operand.
        * config/mips/mips.c (mips_expand_synci_loop): Make INC Pmode.
        Rename gen_rdhwr to gen_rdhwr_synci_step_si or
        gen_rdhwr_synci_step_di depending on the size of Pmode.

2008-11-22  Uros Bizjak  <ubizjak@gmail.com>

        PR target/38222
        * config/i386/i386.md (SWI248): New mode iterator.
        (SWI32): Remove mode iterator.
        (popcount<mode>2): Rename from popcounthi2, popcountsi2 and
        popcounthi2 insn patterns. Macroize pattern using SWI248 mode
        iterator.  Generate popcnt mnemonic without mode extensions
        for Darwin x86 targets.
        (*popcount<mode>2_cmp): Ditto.
        (*popcountsi2_cmp_zext): Generate popcnt mnemonic without mode
        extensions for Darwin x86 targets.

2008-11-22  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sparc.c (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define
        only if HAVE_AS_SPARC_UA_PCREL is defined.

2008-11-22  Richard Sandiford  <rdsandiford@googlemail.com>

        * ira-costs.c (find_allocno_class_costs): Work out the maximum
        allocno_costs value of the classees with the lowest total_costs
        value.  Use this to set ALLOCNO_COVER_CLASS_COST here...
        (setup_allocno_cover_class_and_costs): ...rather than here.
        Use the ALLOCNO_COVER_CLASS_COST for all registers in the
        preferred class.

2008-11-22  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/37323
        * builtins.c (expand_builtin_apply_args): Emit sequence before
        parm_birth_insn instead of after entry_of_function's first insn.

        PR middle-end/37316
        * function.c (assign_parm_remove_parallels): Pass
        data->passed_type as third argument to emit_group_store.

        PR target/37170
        * final.c (mark_symbol_refs_as_used): New function.
        * output.h (mark_symbol_refs_as_used): New prototype.
        * config/s390/s390.c (s390_mark_symbol_ref_as_used): Removed.
        (s390_output_pool_entry): Use mark_symbol_refs_as_used.
        * config/arm/arm.md (consttable_4): Likewise.

        PR target/37880
        * doc/invoke.texi: Adjust wording of -mcmodel=medium description.

2008-11-21  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/38200
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
        propagate x = &a into *x = b if conversion from b to a's type is
        useless.

2008-11-21  Eric Botcazou  <ebotcazou@adacore.com>

        * caller-save.c (insert_one_insn): Take into account REG_INC notes
        for the liveness computation of the new insn.

2008-11-21  DJ Delorie  <dj@redhat.com>

        * config/stormy16/stormy16.md (movqi_internal, movhi_internal):
        Moves to/from below100 space (W) can only use r0-r7.

2008-11-21  Paolo Carlini  <paolo.carlini@oracle.com>

        PR other/38214
        * doc/invoke.texi (Optimization Options): Fix typo.

2008-11-21  H.J. Lu  <hongjiu.lu@intel.com>
            Xuepeng Guo  <xuepeng.guo@intel.com>

        * config.gcc (extra_headers): For x86 and x86-64, remove
        gmmintrin.h, add immintrin.h and avxintrin.h.

        * config/i386/gmmintrin.h: Renamed to ...
        * config/i386/avxintrin.h: This.  Issue an error if
        _IMMINTRIN_H_INCLUDED is undedined.

        * config/i386/immintrin.h: New.

2008-11-21  Jakub Jelinek  <jakub@redhat.com>

        PR target/38208
        * reload1.c (eliminate_regs_in_insn): For trunc_int_for_mode use
        mode of PLUS, not mode of the eliminated register.

2008-11-21  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/mmx.md (mmx_nand<mode>3): Rename to mmx_andnot<mode>3.
        * config/i386/sse.md (avx_nand<mode>3): Rename to avx_andnot<mode>3.
        (<sse>_nand<mode>3): Rename to <sse>_andnot<mode>3.
        (sse2_nand<mode>3): Rename to sse2_andnot<mode>3.
        (*sse_nand<mode>3): Rename to *sse_andnot<mode>3.
        (*avx_nand<mode>3): Rename to *avx_andnot<mode>3.
        (*nand<mode>3): Rename to *andnot<mode>3.
        (*nandtf3): rename to *andnottf3.
        * config/i386/i386.c (bdesc_args) [IX86_BUILTIN_PANDN]:
        Use CODE_FOR_mmx_andnotv2si3.
        [IX86_BUILTIN_ANDNPS]: Use CODE_FOR_sse_andnotv4sf3.
        [IX86_BUILTIN_ANDNPD]: Use CODE_FOR_sse2_andnotv2df3.
        [IX86_BUILTIN_PANDN128]: Use CODE_FOR_sse2_andnotv2di3.
        [IX86_BUILTIN_ANDNPS256]: Use CODE_FOR_avx_andnotv8sf3.
        [IX86_BUILTIN_ANDNPD256]: Use CODE_FOR_avx_andnotv4df3.

2008-11-21  Uros Bizjak  <ubizjak@gmail.com>

        PR middle-end/37908
        * config/ia64/ia64.c (ia64_expand_atomic_op): Properly handle NAND
        case by calculating ~(new_reg & val) instead of (~new_reg & val).
        * config/ia64/sync.md (sync_nand<mode>): Change insn RTX
        to (not:IMODE (and:IMODE (...))).
        (sync_old_nand<mode>): Ditto.
        (sync_new_nand<mode>): Ditto.

2008-11-20  Joseph Myers  <joseph@codesourcery.com>

        * config/arm/thumb2.md (thumb2_casesi_internal,
        thumb2_casesi_internal_pic): Use earlyclobber for scratch operand 4.

2008-11-20  Andreas Krebbel  <krebbel1@de.ibm.com>

        * gcc/config/s390/s390.c (s390_expand_atomic): Adjust QI/HI atomic
        nand to the changed 4.4 semantic.

2008-11-20  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/29215
        * builtins.c (SLOW_UNALIGNED_ACCESS): Define if not defined.
        (fold_builtin_memory_op): Handle even the case where just one
        of src and dest is an address of a var decl component, using
        TYPE_REF_CAN_ALIAS_ALL pointers.  Remove is_gimple_min_invariant
        and readonly_data_expr src check.
        * tree-ssa-sccvn.c (DFS): Use clear_and_done_ssa_iter to shut
        up warnings.

        PR rtl-optimization/36998
        * dwarf2out.c (stack_adjust_offset): Add cur_args_size and cur_offset
        arguments.  Handle sp = reg and (set (foo) (mem (pre_inc (reg sp)))).
        (compute_barrier_args_size_1, dwarf2out_frame_debug_expr): Adjust
        stack_adjust_offset callers.
        (dwarf2out_stack_adjust): Likewise.  Handle insns in annulled
        branches properly.
        (compute_barrier_args_size): Handle insns in annulled branches
        properly.

2008-11-20  Uros Bizjak  <ubizjak@gmail.com>

        PR target/38151
        * config/i386/i386.c (classify_argument) [integer mode size <= 64bit]:
        Handle cases when integer argument crosses argument register boundary.

2008-11-20  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        PR bootstrap/33100
        * config.gcc (i[34567]86-*-solaris2*): Don't include
        i386/t-crtstuff here.
        Move extra_parts, i386/t-sol2 in tmake_file to libgcc/config.host.
        * config/i386/t-sol2: Move to libgcc/config/i386.

2008-11-20  Samuel Thibault  <samuel.thibault@ens-lyon.org>

        PR driver/21706
        * tlink.c: Include "libiberty.h".
        (initial_cwd): Change type into char *.
        (tlink_init): Call getpwd instead of getcwd.

2008-11-19  Zdenek Dvorak  <ook@ucw.cz>

        PR rtl-optimization/32283
        * tree-ssa-loop-niter.c (scev_probably_wraps_p): Use type of the base
        of the induction variable to decide whether it may wrap.
        * tree-ssa-loop-ivopts.c (rewrite_use_compare): Emit the
        initialization of the bound before the loop.
        * simplify-rtx.c (simplify_binary_operation_1): Add two
        simplifications regarding AND.
        (simplify_plus_minus): Only fail if no simplification is possible.
        * loop-iv.c (simple_rhs_p): Consider reg + reg and reg << cst simple.

2008-11-20  Jakub Jelinek  <jakub@redhat.com>

        PR c++/36631
        * gimplify.c (gimplify_call_expr): Defer most of the cannot inline
        checking until GIMPLE lowering.
        * gimple-low.c (check_call_args): New function.
        (lower_stmt) <case GIMPLE_CALL>: Call it.

2008-11-19  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.c (mips_gimplify_va_arg_expr): Use -rsize
        with the same type as the first operand of the AND expression.

2008-11-19  Vladimir Makarov  <vmakarov@redhat.com>

        PR bootstrap/37859
        * ira-int.h (struct ira_loop_tree_node): New member
        entered_from_non_parent_p.

        * ira-color.c (print_loop_title): Print loop bbs.

        * ira-emit.c (entered_from_non_parent_p,
        setup_entered_from_non_parent_p): New functions.
        (not_modified_p): Rename to store_can_be_removed_p.  Check there
        is no side entries.
        (generate_edge_moves): Use store_can_be_removed_p instead of
        not_modified_p.
        (ira_emit): Call setup_entered_from_non_parent_p.

        * ira-build.c (copy_info_to_removed_store_destinations):
        Accumulate CALL_FREQ, CALL_CROSSED_NUM, and
        ALLOCNO_EXCESS_PRESSURE_POINTS_NUM.
        (ira_flattening): Don't CHECK MEM_OPTIMIZED_DEST[_P], always
        update all accumulated attributes.

2008-11-19  Vladimir Makarov  <vmakarov@redhat.com>

        PR bootstrap/37790
        * ira-int.h (ira_copy_allocno_live_range_list,
        ira_merge_allocno_live_ranges, ira_allocno_live_ranges_intersect_p,
        ira_finish_allocno_live_range_list): New prototypes.
        (ira_allocno_live_ranges_intersect_p,
        ira_pseudo_live_ranges_intersect_p): Remove.

        * ira-conflicts.c (ira_allocno_live_ranges_intersect_p,
        ira_pseudo_live_ranges_intersect_p): Rename to
        allocnos_have_intersected_live_ranges_p and
        pseudos_have_intersected_live_ranges_p.  Move them from here to ...

        * ira-color.c: ... here
        (coalesced_allocno_conflict_p): Use
        allocnos_have_intersected_live_ranges_p.
        (coalesced_allocnos_living_at_program_points,
        coalesced_allocnos_live_at_points_p,
        set_coalesced_allocnos_live_points): Remove.
        (slot_coalesced_allocnos_live_ranges,
        slot_coalesced_allocno_live_ranges_intersect_p,
        setup_slot_coalesced_allocno_live_ranges): New.
        (coalesce_spill_slots): Use ranges of coalesced allocnos.
        (ira_sort_regnos_for_alter_reg): Use
        allocnos_have_intersected_live_ranges_p.
        (ira_reuse_stack_slot): Use
        pseudos_have_intersected_live_ranges_p.

        * global.c (pseudo_for_reload_consideration_p): Check
        flag_ira_share_spill_slots too.

        * ira-build.c (copy_allocno_live_range_list): Rename to
        ira_copy_allocno_live_range_list.  Make it external.
        (merge_ranges): Rename to ira_merge_allocno_live_ranges.  Make it
        external.
        (ira_allocno_live_ranges_intersect_p): New.
        (ira_finish_allocno_live_range_list): New.
        (finish_allocno): Use it.
        (remove_unnecessary_allocnos): Use ira_merge_allocno_live_ranges.
        (copy_info_to_removed_store_destinations): Ditto.  Use
        ira_copy_allocno_live_range_list.
        (ira_flattening): Use ira_merge_allocno_live_ranges.

        * ira.c (too_high_register_pressure_p): New function.
        (ira): Switch off sharing spill slots if the pressure is too high.

2008-11-19  Richard Guenther  <rguenther@suse.de>

        * tree.c (build2_stat): Allow non-POINTER_PLUS_EXPRs with
        non-sizetype offsets if their precision matches that of the pointer.
        * expr.c (expand_expr_real_1): Always sign-extend the offset
        operand of a POINTER_PLUS_EXPR.

2008-11-19  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config.gcc: Unobsolete mips-sgi-irix[56]*.
        (mips-sgi-irix[56]*): No need to use fixproto.

2008-11-19  Maxim Kuvyrkov  <maxim@codesourcery.com>
            Paul Brook  <paul@codesourcery.com>

        * config/m68k/lb1sf68.asm: Add GNU-stack annotation to avoid
        executable stack.

2008-11-19  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * config/m68k/m68k.c (sched_attr_op_type): Handle all CONSTs.

2008-11-19  Razya Ladelsky  <razya@il.ibm.com>

        PR target/38156
        * tree-parloops.c (loop_parallel_p): NULL vect_dump.
        (separate_decls_in_region): Create shared struct even when there
        are only reductions.

2008-11-19  Hariharan Sandanagobalane <hariharan@picochip.com>

        * config/picochip/picochip.c (headers): Remove an unnecessary
        header file.

2008-11-19  Andrew Stubbs  <ams@codesourcery.com>

        PR target/36133
        * config/m68k/m68k.h (CC_OVERFLOW_UNUSABLE, CC_NO_CARRY): New defines.
        * config/m68k/m68k.c (notice_update_cc): Set cc_status properly for
        shift instructions.
        * config/m68k/m68k.md: Adjust all conditional branches that use the
        carry and overflow flags so they understand CC_OVERFLOW_UNUSABLE.

2008-11-18  Uros Bizjak  <ubizjak@gmail.com>

        PR target/37362
        * config/mips/mips.md (move_doubleword_fpr<mode>): Check that "high"
        is a register or zero operand in the correct mode before generating
        mtch1 insn or a register operand in the correct mode before generating
        mfch1 insn.
        (mtch1<mode>): Correct operand 1 predicate to reg_or_0_operand.

2008-11-18  Adam Nemet  <anemet@caviumnetworks.com>

        * config.gcc (mips*-sde-elf*): Handle mipsisa64r2*.
        (mipsisa64r2-*-elf*, mipsisa64r2el-*-elf*): Add new cases to
        mipsisa*-*-elf*.  Handle mipsisa64r2*.
        * config/mips/sde.h (LINK_SPEC): Handle -mips64r2.
        * config/mips/t-isa3264 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add
        mips64r2.
        (MULTILIB_EXCLUSIONS): Add mips64r2/mfp64.
        * config/mips/t-sde (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add
        mips64r2.
        (MULTILIB_EXCLUSIONS): Add mips64r2/mfp64.  Add mips64r2/mips16.
        Fix mips16 if mips64 or mips64r2 are multilib defaults.
        * config/mips/t-sdemtk (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add
        mips64r2.

2008-11-18  Jakub Jelinek  <jakub@redhat.com>

        PR target/38130
        * config/i386/i386.md (allocate_stack_worker_32,
        allocate_stack_worker_64): Don't use match_dup between input and
        output operand.
        (allocate_stack): Adjust gen_stack_worker_{32,64} caller.
        * config/i386/i386.c (ix86_expand_prologue): Likewise.

2008-11-18  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/t-cygming (SHLIB_LINK): Make sure that $(SHLIB_MAP).def
        is forced when trying to do a symbol link for it.

2008-11-17  Adam Nemet  <anemet@caviumnetworks.com>

        * expmed.c (extract_bit_field_1): Also use a temporary and
        convert_extracted_bit_field when the conversion from ext_mode to
        the target mode requires explicit truncation.

2008-11-17  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.h (REG_ALLOC_ORDER): Put accumulators first.
        Tweak formatting.
        * config/mips/mips.c (mips_ira_cover_classes): Don't use accumulator
        registers when not optimizing.

2008-11-17  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.md (*mul_acc_si): Remove middle alternative
        and its associated define_split.  Expose the all-d alternative
        to the register allocator, but mark it with "?".  Mark the first
        alternative with "*?*?".
        (*mul_sub_si): Likewise.
        (*mul_acc_si_r3900): New pattern.

2008-11-17  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/38140
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If
        propagating x = &a into *x = b, add a cast if not useless
        type conversion or don't optimize if another stmt would be
        needed.

2008-11-17  Uros Bizjak  <ubizjak@gmail.com>

        PR middle-end/37908
        * optabs.c (expand_sync_operation): Properly handle NAND case
        by calculating ~(t1 & val) instead of (~t1 & val).
        * builtins.c (expand_builtin_sync_operation): Warn for changed
        semantics in NAND builtins.
        * c.opt (Wsync-nand): New warning option.  Describe -Wsync-nand.

        * doc/invoke.texi (Warning options): Add Wsync-nand.
        * doc/extend.texi (Atomic Builtins) [__sync_fetch_and_nand]: Correct
        __sync_fetch_and_nand builtin operation in the example.  Add a note
        about changed semantics in GCC 4.4.
        [__sync_nand_and_fetch]: Correct __sync_nand_and_fetch builtin
        operation in the example.  Add a note about changed semantics in
        GCC 4.4.

2008-11-16  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_function_body_availability): Fix test of externally
        visible.

2008-11-16  Joshua Kinard  <kumba@gentoo.org>

        * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Map -march=r1[0246]000
        to -mips4.

2008-11-16  Richard Sandiford  <rdsandiford@googlemail.com>

        PR target/38052
        * config/mips/mips.c (mips_cfun_call_saved_reg_p)
        (mips_cfun_might_clobber_call_saved_reg_p): New functions,
        split out from...
        (mips_save_reg_p): ...here.  Always consult TARGET_CALL_SAVED_GP
        rather than call_really_used_regs when handling $gp.

2008-11-16  Richard Sandiford  <rdsandiford@googlemail.com>

        PR target/38052
        * config/mips/mips.c (machine_function): Update the comment
        above global_pointer.
        (mips_global_pointer): Use INVALID_REGNUM rather than 0 to indicate
        that a function doesn't need a global pointer.
        (mips_current_loadgp_style): Update accordingly.
        (mips_restore_gp): Likewise.
        (mips_output_cplocal): Likewise.
        (mips_expand_prologue): Likewise.

2008-11-16  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sparc.c (function_arg_vector_value): Remove 'base_mode'
        parameter.  Use DImode for computing the number of registers.
        (function_arg): Adjust for above change.
        (function_value): Likewise.

2008-11-15  Zdenek Dvorak  <ook@ucw.cz>

        PR tree-optimization/37950
        * tree-flow-inline.h (memory_partition): Return NULL when aliases were
        not computed for the current function.

2008-11-15  Jakub Jelinek  <jakub@redhat.com>

        PR target/38123
        * config/i386/i386.c (ix86_gimplify_va_arg): Don't share valist between
        gpr and other COMPONENT_REFs.

2008-11-15  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38051
        * tree-ssa-alias.c (update_alias_info_1): Manually find
        written variables.

2008-11-15  Joshua Kinard  <kumba@gentoo.org>

        * doc/invoke.texi (-mfix-r10000): Document.
        * config/mips/mips.opt (mfix-r10000): New option.
        * config/mips/mips-protos.h (mips_output_sync_loop): Declare.
        * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Use %?.
        (MIPS_COMPARE_AND_SWAP_12): Likewise.
        (MIPS_SYNC_OP): Likewise.
        (MIPS_SYNC_OP_12): Likewise.
        (MIPS_SYNC_OLD_OP_12): Likewise.
        (MIPS_SYNC_NEW_OP_12): Likewise.
        (MIPS_SYNC_OLD_OP): Likewise.
        (MIPS_SYNC_NAND): Likewise.
        (MIPS_SYNC_OLD_NAND): Likewise.
        (MIPS_SYNC_EXCHANGE): Likewise.
        (MIPS_SYNC_EXCHANGE_12): Likewise.
        (MIPS_SYNC_NEW_OP): Likewise, using %~ to fill branch-likely
        delay slots.
        (MIPS_SYNC_NEW_NAND): Likewise.
        * config/mips/mips.c (mips_print_operand_punctuation): Handle '~'.
        (mips_init_print_operand_punct): Treat '~' as a punctuation character.
        (mips_output_sync_loop): New function.
        (mips_override_options): Make -march=r10000 imply -mfix-r10000.
        Make -mfix-r10000 require branch-likely instructions.
        * config/mips/sync.md (sync_compare_and_swap<mode>): Use
        mips_output_sync_loop.
        (compare_and_swap_12): Likewise.
        (sync_add<mode>): Likewise.
        (sync_<optab>_12): Likewise.
        (sync_old_<optab>_12): Likewise.
        (sync_new_<optab>_12): Likewise.
        (sync_nand_12): Likewise.
        (sync_old_nand_12): Likewise.
        (sync_new_nand_12): Likewise.
        (sync_sub<mode>): Likewise.
        (sync_old_add<mode>): Likewise.
        (sync_old_sub<mode>): Likewise.
        (sync_new_add<mode>): Likewise.
        (sync_new_sub<mode>): Likewise.
        (sync_<optab><mode>): Likewise.
        (sync_old_<optab><mode>): Likewise.
        (sync_new_<optab><mode>): Likewise.
        (sync_nand<mode>): Likewise.
        (sync_old_nand<mode>): Likewise.
        (sync_new_nand<mode>): Likewise.
        (sync_lock_test_and_set<mode>): Likewise.
        (test_and_set_12): Likewise.

2008-11-15  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc.c (cc1_options): Fix comment.

2008-11-15  Jakub Jelinek  <jakub@redhat.com>

        PR c++/37561
        * c-typeck.c (build_unary_op): Don't call get_unwidened.  Use
        argtype instead of result_type.

2008-11-14  Adam Nemet  <anemet@caviumnetworks.com>

        * ira-int.h (struct ira_loop_tree_node): Improve comments for
        subloop_next/next and subloops/childen fields.

2008-11-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu-elf.h (STANDARD_STARTFILE_PREFIX_2): Disable default.
        (STANDARD_INCLUDE_DIR): Redefine to "/include".
        (LOCAL_INCLUDE_DIR): Undefine.
        * config/spu/t-spu-elf (NATIVE_SYSTEM_HEADER_DIR): Define.

2008-11-14  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/37397
        * ira-int.h (struct ira_allocno): New member bad_spill_p.
        (ALLOCNO_BAD_SPILL_P): New macro.

        * ira-color.c (push_allocnos_to_stack): Check ALLOCNO_BAD_SPILL_P.

        * ira-build.c (ira_create_allocno): Initialize ALLOCNO_BAD_SPILL_P.
        (create_cap_allocno, propagate_allocno_info,
        remove_unnecessary_allocnos): Set up or update ALLOCNO_BAD_SPILL_P.
        (update_bad_spill_attribute): New function.
        (ira_build): Call it.

        * ira-costs.c (record_reg_classes): Set up ALLOCNO_BAD_SPILL_P.

2008-11-14  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/38104
        * gimplify.c (gimple_regimplify_operands): Add referenced vars
        before calling mark_symbols_for_renaming, not after it.

2008-11-14  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.h (OPTIMIZATION_OPTIONS): Revert last change.
        (OVERRIDE_OPTIONS): Likewise.

2008-11-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
            Andrew Stubbs  <ams@codesourcery.com>
            Gunnar Von Boehn  <gunnar@genesi-usa.com>

        PR target/36134
        * config/m68k/m68k.md (addsi3_5200): Add a new alternative preferring
        the shorter LEA insn over ADD.L where possible.

2008-11-14  Thomas Schwinge  <tschwinge@gnu.org>

        * configure.ac (gcc_cv_libc_provides_ssp): Also consider GNU/Hurd
        systems, which are assumend to always provide SSP-support in glibc.
        Also consider GNU/kFreeBSD, GNU/kNetBSD systems in the `*-*-linux*'
        case.
        * configure: Regenerate.

2008-11-14  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/36125
        * function.c (gimplify_parameters): For callee copies parameters,
        move TREE_ADDRESSABLE flag from the PARM_DECL to the local copy.

2008-11-13  Thomas Schwinge  <tschwinge@gnu.org>

        PR target/28102
        * config.gcc (*-*-gnu*): Move Alpha parts into the `alpha*-*-gnu*',
        x86 parts into the `i[34567]86-*-linux*' and parts that are
        independent of the processor architecture into the `*-*-linux*' cases.
        (*-*-linux*): Consider `linux.opt' only for Linux-based configurations.
        * config/i386/gnu.h (GLIBC_DYNAMIC_LINKER): Redefine.
        (TARGET_OS_CPP_BUILTINS, LINK_SPEC): Don't redefine.
        [TARGET_LIBC_PROVIDES_SSP] (TARGET_THREAD_SSP_OFFSET): Undefine.
        * config/gnu.h (NO_IMPLICIT_EXTERN_C): Don't redefine.
        (HURD_TARGET_OS_CPP_BUILTINS): Don't define, but instead...
        (LINUX_TARGET_OS_CPP_BUILTINS): Redefine.

2008-11-13  Ruan Beihong  <ruanbeihong@gmail.com>

        * config/mips/loongson.md (<u>div<mode>3, <u>mod<mode>3): New patterns.
        * config/mips/loongson2ef.md (ls2_imult): Handle imul3nc.
        (ls2_idiv): Likewise idiv3.
        (ls2_prefetch): New reservation.
        * config/mips/mips.h (ISA_HAS_PREFETCH): Add TARGET_LOONGSON_2EF.
        * config/mips/mips.md (type): Add imul3nc and idiv3.
        (length): Handle idiv3.
        (any_mod): New code_iterator.
        (u): Handle MOD and UMOD.
        (mul<mode>3): Generate mul<mode>3_mul3_ls2ef on Loongson targets.
        (prefetch): Handle TARGET_LOONGSON_2EF.

2008-11-13  Jakub Jelinek  <jakub@redhat.com>

        PR c++/27017
        * dwarf2out.c (prune_unused_types_walk_local_classes): New function.
        (prune_unused_types_walk): Call it for non-perennial local classes.
        Set die_mark to 2 if recursing on children.  If die_mark is 1 on
        entry, just set it to 2 and recurse on children, don't walk attributes
        again.

2008-11-13  Martin Michlmayr  <tbm@cyrius.com>

        * c-common.c (warn_about_parentheses): Add missing whitespace
        in warning.

2008-11-13  Paul Brook  <paul@codesourcery.com>

        * doc/invoke.texi: Document --fix-cortex-m3.
        * config/arm/arm.c (arm_override_options): Set fix_cm3_ldrd if
        Cortex-M3 cpu is selected.
        (output_move_double): Avoid overlapping base register and first
        destination register when fix_cm3_ldrd.
        * config/arm/arm.opt: Add mfix-cortex-m3-ldrd.

2008-11-13  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/38100
        * gimple.h (gimple_range_check_failed): Remove prototype.
        * gimple.c (gimple_check_failed): Don't check GCC_VERSION
        in guarding #if.
        (gimple_range_check_failed): Removed.

2008-11-13  Andrew Haley  <aph@redhat.com>

        PR bootstrap/38088
        * mcf.c (CAP_INFINITY): Use HOST_WIDEST_INT maximum, not GCC specific
        __LONG_LONG_MAX__.

2008-11-12  Jakub Jelinek  <jakub@redhat.com>

        PR c++/36478
        Revert:
        2007-05-07  Mike Stump  <mrs@apple.com>
        * doc/invoke.texi (Warning Options): Document that -Wempty-body
        also checks for and while statements in C++.

2008-11-12  Dodji Seketeli  <dodji@redhat.com>

        PR debug/27574
        * cgraph.h: New abstract_and_needed member to struct cgraph_node.
        * cgraphunit.c (cgraph_analyze_functions): Flag abstract functions
        - which clones are reachable - as "abstract and needed".
        * cgraph.c (cgraph_release_function_body):  If a node is
        "abstract and needed", do not release its DECL_INITIAL() content
        that will be needed to emit debug info.

2008-11-12  Steve Ellcey  <sje@cup.hp.com>

        PR target/27880
        * configure.ac (GCC_CHECK_UNWIND_GETIPINFO): Use this macro
        to set HAVE_GETIPINFO.
        * aclocal.m4: Include ../config/unwind_ipinfo.m4.
        * configure: Regenerate.
        * config.in: Regenerate.

2008-11-12  Jack Howarth  <howarth@bromo.med.uc.edu>

        PR bootstrap/38010
        * gcc/config.gcc: Use darwin9.h on darwin10 as well.

2008-11-12  Jakub Jelinek  <jakub@redhat.com>

        Revert:
        2008-10-21  Jakub Jelinek  <jakub@redhat.com>
        * gimplify.c (gimplify_expr): Drop TREE_OVERFLOW from INTEGER_CSTs.

2008-11-12  Jason Merrill  <jason@redhat.com>

        PR c++/38007
        * c-common.c (c_common_signed_or_unsigned_type): Remove C++
        special casing.

2008-11-12  Anatoly Sokolov  <aesok@post.ru>

        * config/avr/avr.c (avr_mcu_t): Add atmega16hvb, atmega32hvb,
        atmega4hvd, atmega8hvd, atmega64c1, atmega64m1, atmega16u4 and
        atmega32u6 devices.
        * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
        * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).

2008-11-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * gcc/config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Remove
        packed-stack special handling.
        (FRAME_ADDR_RTX): Add definition.

2008-11-12  Jakub Jelinek  <jakub@redhat.com>

        PR target/35366
        * fold-const.c (native_encode_string): New function.
        (native_encode_expr): Use it for STRING_CST.

2008-11-12  DJ Delorie  <dj@redhat.com>

        * config/m32c/cond.md (cond_to_int peephole2): Don't eliminate the
        insns if the intermediate value will be used later.

2008-11-12  Andreas Schwab  <schwab@suse.de>

        * config/m68k/m68k.c (print_operand): Mask off extra extension
        bits when writing out the representation of real values.

2008-11-12  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/38079
        * tree-vect-analyze.c (vect_analyze_data_refs): Replace dump_file
        with vect_dump.

2008-11-12  Jakub Jelinek  <jakub@redhat.com>

        PR c++/35334
        * c-pretty-print.c (pp_c_complex_expr): New function.
        (pp_c_postfix_expression) <case COMPLEX_EXPR>: Call it.

        PR target/35366
        * expr.c (expand_expr_addr_expr_1): If EXP needs bigger alignment
        than INNER and INNER is a constant, forcibly align INNER as much
        as needed.

2008-11-11  Richard Sandiford  <rdsandiford@googlemail.com>

        * cse.c (fold_rtx): Remove redundant gen_rtx_CONST.

2008-11-11  Richard Sandiford  <rdsandiford@googlemail.com>

        PR rtl-optimization/37363
        * simplify-rtx.c (simplify_plus_minus): Don't create
        (const (minus ...)) expresisons.

2008-11-11  Eric Botcazou  <ebotcazou@adacore.com>

        * ira-lives.c (process_bb_node_lives): Restore EH_RETURN_DATA_REGNO
        handling.

2008-11-10  Catherine Moore  <clm@codesourcery.com>

        * config.gcc (mips64vrel-*-elf*): Include the tm_file
        prior to vr.h.
        * config/mips/linux.h (LINUX_DRIVER_SELF_SPECS): New.
        (BASE_DRIVER_SELF_SPECS): Remove.
        (DRIVER_SELF_SPECS): New definition.
        * config/mips/elfoabi.h: (DRIVER_SELF_SPECS): Include
        BASE_DRIVER_SELF_SPECS.
        * config/mips/sde.h: Likewise.
        * config/mips/iris6.h: Likewise.
        * config/mips/vr.h: Likewise.
        * config/mips/mips.h (BASE_DRIVER_SELF_SPECS): New.

2008-11-10  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimizations/37948
        * ira-int.h (struct ira_allocno_copy): New member constraint_p.
        (ira_create_copy, ira_add_allocno_copy): New parameter.

        * ira-conflicts.c (process_regs_for_copy): New parameter.  Pass it
        to ira_add_allocno_copy.
        (process_reg_shuffles, add_insn_allocno_copies): Pass a new
        parameter to process_regs_for_copy.
        (propagate_copies): Pass a new parameter to ira_add_allocno_copy.
        Fix typo in passing second allocno to ira_add_allocno_copy.

        * ira-color.c (update_conflict_hard_regno_costs): Use head of
        coalesced allocnos list.
        (assign_hard_reg): Ditto.  Check that assigned allocnos are not in
        the graph.
        (add_ira_allocno_to_bucket): Rename to add_allocno_to_bucket.
        (add_ira_allocno_to_ordered_bucket): Rename to
        add_allocno_to_ordered_bucket.
        (push_ira_allocno_to_stack): Rename to push_allocno_to_stack.  Use
        head of coalesced allocnos list.
        (push_allocnos_to_stack): Remove calculation of ALLOCNO_TEMP.
        Check that it is aready calculated.
        (push_ira_allocno_to_spill): Rename to push_ira_allocno_to_spill.
        (setup_allocno_left_conflicts_num): Use head of coalesced allocnos
        list.
        (coalesce_allocnos): Do extended coalescing too.

        * ira-emit.c (add_range_and_copies_from_move_list): Pass a new
        parameter to ira_add_allocno_copy.

        * ira-build.c (ira_create_copy, ira_add_allocno_copy): Add a new
        parameter.
        (print_copy): Print copy origination too.

        * ira-costs.c (scan_one_insn): Use alloc_pref for load from
        equivalent memory.

2008-11-10  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR rtl-optimization/37514
        * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set
        flag_ira_share_spill_slots to 2 if it's already non-zero.
        (OVERRIDE_OPTIONS): Clear flag_ira_share_spill_slots if
        flag_ira_share_spill_slots is 2.

2008-11-10  Kevin Buettner  <kevinb@redhat.com>

        * config/m32c/prologue.md (prologue_enter_16): Set FB to SP - 2.
        (prologue_enter_32): Set FB to SP - 4.

2008-11-10  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add ImB
        constraint for single-bit-clear in lower byte of HI constant, vs
        Imb which just ignores the upper byte.
        * config/m32c/predicates.md (m32c_1mask8_operand): Use it.
        * config/m32c/bitops.md (andhi3_16, andhi3_24): Use it.
        (iorhi3_16): Check for single bit set, not single bit clear.

2008-11-10  Janis Johnson  <janis187@us.ibm.com>

        * doc/sourcebuild.texi (Torture Tests): Fix formatting for bullets.

        * doc/sourcebuild.texi (Torture Tests): Fix formatting in example.

2008-11-10  Eric Botcazou  <ebotcazou@adacore.com>

        * calls.c (store_unaligned_arguments_into_pseudos): Deal only with
        values living in memory and use more precise alignment information.

2008-11-10  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/35314
        * tree-mudflap.c (mf_build_check_statement_for): Split then_block
        after __mf_check call if the call must end a bb.

2008-11-10  Ralph Loader  <suckfish@ihug.co.nz>

        PR middle-end/37807
        PR middle-end/37809
        * combine.c (force_to_mode): Do not process vector types.

        * rtlanal.c (nonzero_bits1): Do not process vector types.
        (num_sign_bit_copies1): Likewise.

2008-11-09  Thomas Schwinge  <tschwinge@gnu.org>

        * config/i386/gnu.h: Add copyright and licensing header.
        * config/gnu.h: Likewise.

2008-11-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * fwprop.c (fwprop_done): Call df_remove_problem.

2008-11-07  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/37379
        * tree-scalar-evolution.c (instantiate_scev_1): Return
        chrec_dont_know for VL_EXP_CLASS_P.

2008-11-06  Uros Bizjak  <ubizjak@gmail.com>

        * reg-stack.c (reg_to_stack): Add missing braces in memset
        size calculation.

2008-11-06  Andrew Stubbs  <ams@codesourcery.com>

        * config/arm/bpabi.h (PROFILE_HOOK): New undef.
        (NO_PROFILE_COUNTERS): New define.

2008-11-06  David Edelsohn  <edelsohn@gnu.org>

        PR target/26397
        * config/rs6000/aix.h (LIBSTDCXX_STATIC): Define.

2008-11-06  Kazu Hirata  <kazu@codesourcery.com>

        PR target/35574
        * config/sparc/constraints.md (D): New.
        * config/sparc/predicates.md (const_double_or_vector_operand): New.
        * config/sparc/sparc.c (sparc_extra_constraint_check): Handle the
        'D' constraint.
        * config/sparc/sparc.md (*movdf_insn_sp32_v9, *movdf_insn_sp64):
        Use the 'D' constraint in addition to 'F' in some alternatives.
        (DF splitter): Generalize for V64mode.
        * doc/md.texi (SPARC): Document the 'D' constraint.

2008-11-06  Uros Bizjak  <ubizjak@gmail.com>

        * reg-stack.c (reg_to_stack): Generate +QNaN using real_nan.

2008-11-06  Ben Elliston  <bje@au.ibm.com>

        * gcc.c: Remove ancient comment about a bug in Sun cc.

2008-11-05  Janis Johnson  <janis187@us.ibm.com>

        * doc/sourcebuild.texi (Torture Tests): Add ADDITIONAL_TORTURE_OPTIONS.

2008-11-06  Ben Elliston  <bje@au.ibm.com>

        * config/rs6000/rs6000.c (rs6000_override_options): Comment fix.

2008-11-06  Ben Elliston  <bje@au.ibm.com>

        * config/rs6000/rs6000.opt (mwarn-cell-microcode): Improve option
        description.

2008-11-05  Hans-Peter Nilsson  <hp@axis.com>

        PR target/38016
        * config/cris/cris.c (cris_order_for_addsi3): Test for !REG_P, not
        just MEM_P.

2008-11-05  Martin Jambor  <mjambor@suse.cz>

        PR middle-end/37861
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't turn
        pointer arithmetics into array_ref if the array is accessed
        through an indirect_ref.

2008-11-05  Richard Guenther  <rguenther@suse.de>

        PR middle-end/37742
        * tree-ssa.c (useless_type_conversion_p_1): Check different restrict
        qualified pointer conversion before stripping qualifiers.
        * gimplify.c (create_tmp_from_val): Use correctly qualified type.
        * tree-flow.h (may_propagate_address_into_dereference): Declare.
        * tree-ssa-ccp.c (may_propagate_address_into_dereference): New
        function.
        (ccp_fold): Use it.
        * tree-ssa-forwprop.c (rhs_to_tree): Remove useless conversions,
        properly canonicalize binary ops.
        (forward_propagate_addr_expr_1): Use
        may_propagate_address_into_dereference.

2008-11-05  Uros Bizjak  <ubizjak@gmail.com>

        PR middle-end/37286
        * reg-stack.c (subst_stack_regs_pat) [MINUS, DIV, MULT, PLUS]:
        Initialize uninitialized input registers with a NaN.

2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>

        PR middle-end/37833

        * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.

2008-11-05  Tobias Grosser  <grosser@fim.uni-passau.de>

        PR middle-end/37943

        * graphite.c (scopdet_basic_block_info): Fix loops with multiple
        exits and conditions.
        * testsuite/gcc.dg/graphite/pr37943.c: New.

2008-11-04  Jakub Jelinek  <jakub@redhat.com>
            Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR c/35430
        * c-common.c (warn_for_sign_compare): For complex result_type
        use component's type.

2008-11-04  Jakub Jelinek  <jakuB@redhat.com>

        * print-tree.c (print_node): Use code instead of TREE_CODE (node).

        * print-tree.c (print_node): Don't print DECL_INITIAL
        for PARM_DECL.

        PR c/37106
        * c-common.c (parse_optimize_options): Save and restore
        flag_strict_aliasing around decode_options call.

2008-11-04  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/driver-i386.c (enum vendor_signatures): New enum.
        (host_detect_local_cpu): Use it instead of casted strings to
        compare vendor signatures.

2008-11-03  Mikael Pettersson  <mikpe@it.uu.se>

        PR target/37989
        * config/i386/mingw32.h (REAL_LIBGCC_SPEC): Only add libgcc_s.a
        or libgcc_eh.a to spec if ENABLE_SHARED_LIBGCC.

2008-11-03  Catherine Moore  <clm@codesourcery.com>

        * config/mips.c (mips_conditional_register_usage):  Handle the
        DSP control register.
        * doc/extend.texi: Document the DSP control register.

2008-11-03  Steve Ellcey <sje@cup.hp.com>
            Jakub Jelinek  <jakub@redhat.com>

        * omp-low.c (expand_omp_for_generic): If iter_type has different
        precision than type and type is a pointer type, cast n1 and n2
        first to an integer type with the same precision as pointers
        and only afterwards to iter_type.

2008-11-03  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/arm/arm.md (UNSPEC_PIC_BASE): Update documentation.
        (UNSPEC_GOTSYM_OFF): New unspec.
        (pic_add_dot_plus_four): Simplify the UNSPEC_PIC_BASE operands.
        (pic_add_dot_plus_eight): Likewise.
        (tls_load_dot_plus_eight): Likewise.  Update peephole2.
        * config/arm/thumb2.md (pic_load_dot_plus_four): Simplify the
        UNSPEC_PIC_BASE operands.
        * config/arm/arm.c (arm_load_pic_register): Use UNSPEC_GOTSYM_OFF.
        (arm_output_addr_const_extra): Handle it.

2008-11-03  Eric Botcazou  <ebotcazou@adacore.com>

        * config/i386/i386.c (classify_argument) <ARRAY_TYPE>: Promote partial
        integer class to full integer class if the offset is not word-aligned.

2008-11-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR rtl-opt/37782
        * loop-doloop.c (doloop_modify): Add from_mode argument that says what
        mode count is in.
        (doloop_optimize): Update call to doloop_modify.

2008-11-03  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-sra.c (bitfield_overlaps_p): Fix oversight.

2008-11-03  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        PR other/37463
        * configure.ac (gcc_cv_ld_ro_rw_mix): Move before
        gcc_cv_as_cfi_directive.
        (gcc_cv_as_cfi_directive) [*-*-solaris*]: Check if linker supports
        merging read-only and read-write sections or assembler emits
        read-write .eh_frame sections.
        * configure: Regenerate.

2008-11-03  Nathan Froyd  <froydnj@codesourcery.com>

        Revert:
        2008-10-31  Nathan Froyd  <froydnj@codesourcery.com>

        * config/rs6000/rs6000.c (no_global_regs_above): Fix precedence
        problem.
        (rs6000_emit_prologue): Invert logic.
        * config/rs6000/rs6000.md (*save_gpregs_<mode>): Use explicit
        (reg:P 11) instead of match_operand.
        (*save_fpregs_<mode>): Likewise.
        (*restore_gpregs_<mode>): Likewise.
        (*return_and_restore_gpregs_<mode>): Likewise.
        (*return_and_restore_fpregs_<mode>): Likewise.
        * config/rs6000/spe.md (*save_gpregs_spe): Use explicit
        (reg:P 11) insted of match_operand.
        (*restore_gpregs_spe): Likewise.
        (*return_and_restore_gpregs_spe): Likewise.

2008-11-03  Harsha Jagasia  <harsha.jagasia@amd.com>

        PR tree-optimization/37684
        * gcc.dg/graphite/pr37684.c: New.
        * graphite.c (exclude_component_ref): New.
        (is_simple_operand): Call exclude_component_ref.

2008-11-03  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/36908
        * testsuite/gcc.dg/tree-ssa/pr36908.c: New.
        * tree-loop-distribution.c (number_of_rw_in_rdg): New.
        (number_of_rw_in_partition): New.
        (partition_contains_all_rw): New.
        (ldist_gen): Do not distribute when one of the partitions
        contains all the memory operations.

2008-11-03  Sebastian Pop  <sebastian.pop@amd.com>

        * cfghooks.c (split_block): Set BB_IRREDUCIBLE_LOOP and
        EDGE_IRREDUCIBLE_LOOP.

2008-11-03  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (bfin_optimize_loop): Properly handle case
        where we have one entry point in the loop which isn't the head.

2008-11-03  Richard Guenther  <rguenther@suse.de>

        PR middle-end/37573
        * tree-data-ref.c (split_constant_offset_1): Fix tuplification.

2008-11-03  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/37858
        * passes.c (execute_one_pass): Don't look at cfun->curr_properties
        for ipa and simple ipa passes.

2008-11-02  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/37542
        * tree-ssa-pre.c (fully_constant_expression): Handle more cases.
        * tree-ssa-sccvn.c (vn_get_expr_for): Fix typo.
        (vn_nary_op_lookup_stmt): Adjust for unary reference trees.
        (vn_nary_op_insert_stmt): Likewise.
        (visit_use): Likewise.

2008-11-02  Anatoly Sokolov  <aesok@post.ru>

        * config/avr/avr.md (UNSPEC_SWAP): Remove constants.
        (*swap): Remove.
        (rotlqi3, *rotlqi3_4, rotlhi3, *rotlhi3_8,
        rotlsi3, *rotlsi3_8, *rotlsi3_16, *rotlsi3_24): New patterns.
        (ashlqi3_const4, ashlqi3_const5, ashlqi3_const6, ashlqi3_l_const4,
        ashlqi3_l_const5, ashlqi3_l_const6, lshrqi3_const4, lshrqi3_const5,
        lshrqi3_const6, lshrqi3_l_const4, lshrqi3_l_const4, lshrqi3_l_const6
        peephole2's): Replace unspec with rotate.
        * config/avr/avr.c (avr_rtx_costs): Add ROTATE.

2008-11-02  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/37991
        * tree-ssa-sccvn.h (copy_vuses_from_stmt): Remove.
        * tree-ssa-sccvn.c (copy_vuses_from_stmt): Make static.
        (set_ssa_val_to): Print if the value changed.
        (simplify_binary_expression): Strip useless conversions.

2008-11-01  Hans-Peter Nilsson  <hp@axis.com>

        PR target/37939
        * config/cris/cris.c (cris_rtx_costs) <MULT>: Return 0 for an ADDI
        operand.

2008-11-01  Richard Guenther  <rguenther@suse.de>

        PR middle-end/37976
        * builtins.c (fold_builtin_strspn): Return a size_t.
        (fold_builtin_strcspn): Likewise.

2008-10-31  Nathan Froyd  <froydnj@codesourcery.com>

        * config/rs6000/rs6000.c (rs6000_file_start): Output gnu
        attribute for struct return convention.

2008-10-31  Nathan Froyd  <froydnj@codesourcery.com>

        * config/rs6000/crtsavres.asm: Really, really delete.

2008-10-31  Nathan Froyd  <froydnj@codesourcery.com>

        * config/rs6000/rs6000.c (no_global_regs_above): Fix precedence
        problem.
        (rs6000_emit_prologue): Invert logic.
        * config/rs6000/rs6000.md (*save_gpregs_<mode>): Use explicit
        (reg:P 11) instead of match_operand.
        (*save_fpregs_<mode>): Likewise.
        (*restore_gpregs_<mode>): Likewise.
        (*return_and_restore_gpregs_<mode>): Likewise.
        (*return_and_restore_fpregs_<mode>): Likewise.
        * config/rs6000/spe.md (*save_gpregs_spe): Use explicit
        (reg:P 11) insted of match_operand.
        (*restore_gpregs_spe): Likewise.
        (*return_and_restore_gpregs_spe): Likewise.

2008-10-28  Luis Machado  <luisgpm@br.ibm.com>

        * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add "dumpbase" to the
        list of word switches that take args.

2008-10-30  Jakub Jelinek  <jakub@redhat.com>

        * config/s390/s390.c (s390_mark_symbol_ref_as_used): New function.
        (s390_output_pool_entry): Call it through for_each_rtx.

        PR middle-end/37730
        * expr.c (store_constructor): For vectors, if target is a MEM, use
        target's MEM_ALIAS_SET instead of elttype alias set.

2008-10-29  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/37909
        * config/sh/sh.c (untangle_mova): Return -1 when NEW_MOVA has
        no address.

2008-10-29  David Edelsohn  <edelsohn@gnu.org>

        PR target/37878
        * config/rs6000/predicates.md (word_offset_memref_operand):
        Restructure code and look inside auto-inc/dec addresses.

2008-10-29  Steve Ellcey  <sje@cup.hp.com>

        PR target/32277
        * libgcov.c ( __gcov_indirect_call_profiler): Check
        TARGET_VTABLE_USES_DESCRIPTORS.

2008-10-29  Stefan Schulze Frielinghaus  <xxschulz@de.ibm.com>

        * config/spu/spu.h (FRAME_GROWS_DOWNWARD): Define.
        (INITIAL_FRAME_POINTER_OFFSET): Remove.
        * config/spu/spu.c (spu_initial_elimination_offset): Calculate new
        offset if eliminating soft frame pointer.
        * config/spu/spu.md (stack_protect_set, stack_protect_test)
        (stack_protect_test_si): Add initial machine description
        for Stack Smashing Protector

2008-10-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 11492
        * c-common.c (min_precision): Move to...
        * tree.c (tree_int_cst_min_precision): ... to here. Renamed.
        * tree.h (tree_int_cst_min_precision): Declare.
        * c-common.h (min_precision): Delete declaration.
        * fold-const.c (tree_binary_nonnegative_warnv_p): Handle
        multiplication of non-negative integer constants.
        * c-decl.c (check_bitfield_type_and_width): Rename min_precision to
        tree_int_cst_min_precision.
        (finish_enum): Likewise.

2008-10-29  Joseph Myers  <joseph@codesourcery.com>

        PR middle-end/36578
        * convert.c (convert_to_real): Do not optimize conversions of
        binary arithmetic operations between binary and decimal
        floating-point types.  Consider mode of target type in determining
        decimal type for arithmetic.  Unless
        flag_unsafe_math_optimizations, do not optimize binary conversions
        where this may change rounding behavior.
        * real.c (real_can_shorten_arithmetic): New.
        * real.h (real_can_shorten_arithmetic): Declare.

2008-10-29  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315,
        ENABLE_WA_05000257, ENABLE_WA_05000283, ENABLE_WA_05000315): New.
        * config/bfin/bfin.c (bfin_cpus): Add these workaround bits as
        appropriate.
        (must_save_p): For some workarounds, interrupts need to clobber a
        P register.
        (expand_prologue_reg_save, expand_epilogue_reg_restore): Save LC0
        and LC1 for WA_05000257.
        (expand_interrupt_handler_prologue): Add dummy read of CHIPID for
        WA_05000283 and WA_05000315.
        * config/bfin/bfin.md (UNSPEC_VOLATILE_DUMMY): New constant.
        (movbi): Add alternative to set CC to 1; improve code for setting
        CC to 0.
        (dummy_load): New pattern.

2008-10-29  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/37870
        * expmed.c (extract_bit_field_1): If int_mode_for_mode returns
        BLKmode for non-memory, convert using a wider MODE_INT mode
        or through memory.

        PR middle-end/37913
        * tree-cfgcleanup.c (split_bbs_on_noreturn_calls): Only split bbs
        that haven't been removed yet.

2008-10-29  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (struct machine_function): New member
        has_loopreg_clobber.
        (bfin_expand_movmem): Set it when generating memcpy insns.
        (n_regs_saved_by_prologue, expand_prologue_reg_save,
        expand_epilogue_reg_restore): If we have hardware loops,
        memcpy insns (indicated by has_loopreg_clobber) or function
        calls, we need to save the loop registers.

2008-10-28  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (core2_cost): Fix typos in comments.

2008-10-28  Jakub Jelinek  <jakub@redhat.com>

        PR c/37924
        * combine.c (make_compound_operation): Don't call make_extraction with
        non-positive length.
        (simplify_shift_const_1): Canonicalize count even if complement_p.

2008-10-28  Joseph Myers  <joseph@codesourcery.com>

        * convert.c (strip_float_extensions): Do not remove or introduce
        conversions between binary and decimal floating-point types.

2008-10-28  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/37931
        * fold-const.c (distribute_bit_expr): Convert common, left and
        right arguments to type.

2008-10-28  Nick Clifton  <nickc@redhat.com>

        * config/mn10300/mn10300.h (CALL_REALLY_USED_REGISTERS): Define.
        * config/mn10300/mn10300.c (fp_regs_to_save): Test the
        call_really_used_regs array rather than the call_used_regs array.
        (mn10300_get_live_callee_saved_regs, expand_prologue,
        expand_epilogue, output_tst): Likewise.

2008-10-27  Jakub Jelinek  <jakub@redhat.com>

        PR target/37378
        * df-scan.c (df_bb_refs_collect): Don't handle EH_USES here.
        (df_get_entry_block_def_set): Neither here.
        (df_get_regular_block_artificial_uses): Add EH_USES registers.

        PR tree-optimization/37879
        * predict.c (tree_estimate_probability): Check if last_stmt is
        non-NULL before dereferencing it.

2008-10-27  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-int.h (ira_allocno): Add member updated_cover_class_cost.
        (ALLOCNO_UPDATED_COVER_CLASS_COST): New.
        (ira_fast_allocation): Remove the prototype.

        * ira-color.c (update_copy_costs, allocno_cost_compare_func,
        assign_hard_reg, calculate_allocno_spill_cost): Use updated costs.
        (color_pass): Modify the updated costs.
        (ira_color): Rename to color.  Make it static.
        (ira_fast_allocation): Rename to fast_allocation.  Make it static.
        (ira_color): New function.

        * ira-conflicts.c (process_regs_for_copy): Propagate hard reg cost
        change.

        * ira-lives.c (last_call_num, allocno_saved_at_call): New
        variables.
        (set_allocno_live, clear_allocno_live, mark_ref_live,
        mark_ref_dead): Invalidate corresponding element of
        allocno_saved_at_call.
        (process_bb_node_lives): Increment last_call_num.  Setup
        allocno_saved_at_call.  Don't increase ALLOCNO_CALL_FREQ if the
        allocno was already saved.
        (ira_create_allocno_live_ranges): Initiate last_call_num and
        allocno_saved_at_call.

        * ira-build.c (ira_create_allocno): Initiate
        ALLOCNO_UPDATED_COVER_CLASS_COST.
        (create_cap_allocno, propagate_allocno_info,
        remove_unnecessary_allocnos): Remove setting updated costs.
        (ira_flattening): Set up ALLOCNO_UPDATED_COVER_CLASS_COST.

        * ira.c (ira):  Don't call ira_fast_allocation.

        * ira-costs.c (setup_allocno_cover_class_and_costs): Don't set up
        updated costs.

2008-10-27  Vladimir Makarov  <vmakarov@redhat.com>

        PR middle-end/37813
        * ira-conflicts.c (process_regs_for_copy): Remove class subset check.

        * ira-int.h (ira_hard_regno_cover_class): New.

        * ira-lives.c (mark_reg_live, mark_reg_dead,
        process_bb_node_lives): Use ira_hard_regno_cover_class.

        * ira.c (reg_class ira_hard_regno_cover_class): New global variable.
        (setup_hard_regno_cover_class): New function.
        (ira_init): Call setup_hard_regno_cover_class.

        * ira-costs.c (cost_class_nums): Add comment.
        (find_allocno_class_costs): Initiate cost_class_nums.
        (setup_allocno_cover_class_and_costs): Check cost_class_nums.

2008-10-27  Vladimir Makarov  <vmakarov@redhat.com>

        PR middle-end/37884
        * ira-build.c (copy_live_ranges_to_removed_store_destinations):
        Rename to copy_info_to_removed_store_destinations.  Propagate
        conflict hard regs and register stack attribute.

2008-10-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/37316
        * pa.c (function_arg_padding):  Pad complex and vector types
        upward in 64-bit runtime.
        (function_arg): Use BLKmode for PARALLEL in 64-bit runtime.

2008-10-26  Matthias Klose  <doko@ubuntu.com>

        * doc/install.texi: Document requirements on antlr.

2008-10-25  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.h (REG_ALLOC_ORDER): Put call-clobbered registers
        first.

2008-10-24  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/37841
        * function.c (locate_and_pad_parm): If FUNCTION_ARG_ADJUST_OFFSET
        is defined, use it to modify the constant offset.

        * doc/tm.texi (FUNCTION_ARG_OFFSET): Document new macro.

        * config/spu/spu.h (FUNCTION_ARG_OFFSET): New macro to move char
        and short arguments to the correct location as mandated by the ABI.

2008-10-24  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR rtl-optimization/37769
        * regmove.c (optimize_reg_copy_2): Update REG_INC note if needed.

2008-10-24  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/t-sh: Use $(MULTILIB_CFLAGS) when compiling to
        unwind-dw2-Os-4-200.o.

2008-10-24  Joseph Myers  <joseph@codesourcery.com>

        * c-typeck.c (enum impl_conv): Remove ic_argpass_nonproto.
        (convert_for_assignment): Remove ic_argpass_nonproto cases.

2008-10-24  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/36038
        * tree-ssa-loop-ivopts.c (add_old_iv_candidates): For pointer bases
        add sizetype IV with initial value zero instead of pointer type.

2008-10-24  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/7543
        * value-prof.c (gimple_stringop_fixed_value): Use parentheses
        around bit operation.
        * profile.c (is_edge_inconsistent): Likewise.
        * fold-const.c (truth_value_p): Move from here...
        * tree.h (truth_value_p): ... to here.
        * c-tree.h (c_expr): Update description of original_code.
        * c-typeck.c (parser_build_unary_op): Set original_code.
        (parser_build_binary_op): Update call to warn_about_parentheses.
        * c-common.c (warn_about_parentheses): Take two additional
        arguments of the operands. Use a switch. Quote operators
        appropriately. Define macro APPEARS_TO_BE_BOOLEAN_EXPR_P.
        Add warning about !x | y and !x & y.
        * c-common.h (warn_about_parentheses): Update declaration.

2008-10-24  Jakub Jelinek  <jakub@redhat.com>

        * Makefile.in (lang_checks_parallelized, check_gcc_parallelize,
        check_p_tool, check_p_vars, check_p_subno, check_p_comma,
        check_p_subwork, check_p_numbers, check_p_subdir, check_p_subdirs):
        New variables.
        (check-subtargets, check-%-subtargets, check-parallel-%): New targets.
        (check-%): For test targets listed in lang_checks_parallelized
        if -j is used and RUNTESTFLAGS doesn't specify tests to execute,
        run the testing in multiple make goals, possibly parallel, and
        afterwards run dg-extract-results.sh to merge the sum and log files.

2008-10-24  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (mips_canonicalize_move_class): New function.
        (mips_move_to_gpr_cost): Likewise.
        (mips_move_from_gpr_cost): Likewise.
        (mips_register_move_cost): Make more fine-grained.

2008-10-23  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (graphite_apply_transformations): Check for
        -fgraphite-identity.
        * toplev.c (process_options): Add graphite_identity.
        * tree-ssa-loop.c (gate_graphite_transforms): Add graphite_identity.

2008-10-23  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (bdesc_2arg): Add mulhisill, mulhisilh,
        mulhisihl and mulhisihh builtins.

        From Jie Zhang  <jie.zhang@analog.com>
        * config/bfin/bfin.md (composev2hi): Put operands into vector
        with correct order.

2008-10-22  Chao-ying Fu  <fu@mips.com>

        * config/mips/mips.opt (msmartmips): Accept -mno-smartmips.

2008-10-22  Bernd Schmidt  <bernd.schmidt@analog.com>

        From Mike Frysinger  <michael.frysinger@analog.com>
        * config/bfin/bfin-protos.h (bfin_cpu_type): Add BFIN_CPU_BF512,
        BFIN_CPU_BF514, BFIN_CPU_BF516, and BFIN_CPU_BF518.
        * config/bfin/bfin.c (bfin_cpus[]): Add 0.0 for bf512, bf514, bf516,
        and bf518.  Add 0.2 for bf522, bf523, bf524, bf526, and bf527.
        Add 0.6 for bf533, bf532, and bf531.  Add 0.5 for bf538 and bf539.
        Add 0.2 for bf542, bf544, bf547, bf548, and bf549.
        * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF512__
        for BFIN_CPU_BF512, __ADSPBF514__ for BFIN_CPU_BF514, __ADSPBF516__
        for BFIN_CPU_BF516, and __ADSPBF518__ for BFIN_CPU_BF518.  Define
        __ADSPBF51x__ for all of them.
        * config/bfin/elf.h (LIB_SPEC): Select proper linker scripts for
        -mcpu bf512, bf514, bf516, and bf518.
        * config/bfin/t-bfin-elf (MULTILIB_MATCHES): Select bf532-none for
        bf512-none, bf514-none, bf516-none, and bf518-none.
        * config/bfin/t-bfin-linux (MULTILIB_MATCHES): Likewise.
        * config/bfin/t-bfin-uclinux (MULTILIB_MATCHES): Likewise.
        * doc/invoke.texi (Blackfin Options): Document that
        -mcpu now accepts bf512, bf514, bf516, and bf518.

2008-10-22  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/37882
        * fold-const.c (build_range_type): For 1 .. signed_max
        range call build_nonstandard_inter_type if signed_type_for
        returned a type with bigger precision.

2008-10-22  Richard Guenther  <rguenther@suse.de>

        * tree.def (COMPLEX_TYPE): Constrain element type.
        * tree.c (build_complex_type): Assert that.
        * tree-ssa-structalias.c (could_have_pointers): Complex types
        cannot have pointers.

2008-10-22  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/30949
        * c-typeck.c (convert_for_assignment): Do not give declaration's
        location for builtins. Spell out which type was expected and which
        was given.

2008-10-22  Nick Clifton  <nickc@redhat.com>

        * config/frv/frv.h (HARD_REGNO_RENAME_OK): Define.  Do not allow
        the fdpic register to be a target when running in fdpic mode.

2008-10-22 Rafael Espindola  <espindola@google.com>

        * ipa-struct-reorg.c (create_new_alloc_sites): Properly insert the
        newly created statements.

2008-10-22  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/37633
        * config/sh/sh.c (sh_hard_regno_mode_ok): New function.
        * config/sh/sh.h (HARD_REGNO_MODE_OK): Use it.
        * config/sh/sh-protos.h (sh_hard_regno_mode_ok): Declare.

2008-10-22  Jakub Jelinek  <jakub@redhat.com>

        PR target/37880
        * doc/invoke.texi: Fix spelling of -mlarge-data-threshold option.
        Adjust -mcmodel=medium description for 2005-07-31 changes.

2008-10-22  Jan Hubicka  <jh@suse.cz>
            Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/35853
        * doc/invoke.texi: Remove references to obsoleted -d dumps.

2008-10-21  Richard Henderson  <rth@redhat.com>

        PR 37815
        * emit-rtl.c (get_spill_slot_decl): Export.
        * emit-rtl.h (get_spill_slot_decl): Declare.
        * var-tracking.c (vt_add_function_parameters): Relax assertion
        on the contents of MEM_EXPR in a PARM_DECL to include a spill slot.

2008-10-21  Bob Wilson  <bob.wilson@acm.org>

        * var-tracking.c (insn_stack_adjust_offset_pre_post): If insn has a
        REG_FRAME_RELATED_EXPR note, examine the pattern from the note instead
        of from insn.

2008-10-21  Adam Nemet  <anemet@caviumnetworks.com>

        PR middle-end/37669
        * tree-ssa-ccp.c (ccp_fold_builtin): Only allow one argument to be
        processed by get_maxval_strlen.

2008-10-21  David Edelsohn  <edelsohn@gnu.org>

        PR target/35485
        * tree.c (get_file_function_name): Copy first_global_object_name.
        Centralize call to clean_symbol_name.

2008-10-21  Sandra Loosemore  <sandra@codesourcery.com>

        * config.gcc (powerpc-*): Make t-ppcgas imply usegas.h.
        * config/svr4.h (SVR4_ASM_SPEC): New.
        (ASM_SPEC): Inherit from SVR4_ASM_SPEC.
        * config/rs6000/sysv4.h (ASM_SPEC): Inherit from SVR4_ASM_SPEC.

        * doc/invoke.texi (Option Summary): Add -T to linker options.
        (Link Options): Document -T.

2008-10-21  Jakub Jelinek  <jakub@redhat.com>

        * tree-inline.c (tree_inlinable_function_p): Remove tuples
        debugging hack.

        * gimplify.c (gimplify_expr): Drop TREE_OVERFLOW from INTEGER_CSTs.

        PR debug/37020
        * c-decl.c (merge_decls): Don't call outlining_inline_function hook.

2008-10-20  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-pre.c (insert_into_preds_of_block): Don't rewrite constant
        part of expression.

2008-10-20  Tobias Schlüter  <tobi@gcc.gnu.org>

        * doc/install.texi: Fix typos in previous patch.

2008-10-19  Tobias Schlüter  <tobi@gcc.gnu.org>

        * doc/install.texi: Document in-tree building of gcc and mpfr.

2008-10-19  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-alias.c (may_alias_p): Remove bogus shortcut.

2008-10-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/30260
        * c-decl.c (finish_enum): Convert non-integer enumerators to enum type.
        (build_enumerator): Convert enumerators that fit in integer to
        integer type.

2008-10-18  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (unnamed peephole2): Do not force memory
        operands of arith or logical instructions into registers for
        non-TARGET_READ_MODIFY targets.

        (ffs_cmove): Change operand 0 predicate to register_operand.
        Change operand 1 predicate to nonimmediate_operand.
        (ffsdi2): Ditto.
        (*ffs_no_cmove): Change operand 0 predicate to register_operand.

2008-10-18  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Guard
        VIEW_CONVERT_EXPR case against invalid gimple.

2008-10-17  Andreas Krebbel  <krebbel1@de.ibm.com>

        * c-parser.c (c_parser_binary_expression): Silence the
        uninitialized variable warning emitted for binary_loc.

2008-10-16  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-pre.c (phi_translate_set): Add constants to phi
        translation cache.

2008-10-16  Joseph Myers  <joseph@codesourcery.com>

        PR c/33192
        * c-typeck.c (build_unary_op): Use omit_one_operand for
        IMAGPART_EXPR of real argument.

2008-10-16  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/37664
        * fold-const.c (fold_binary): When optimizing comparison with
        highest or lowest type's value, don't consider TREE_OVERFLOW.

2008-10-16  David Edelsohn  <edelsohn@gnu.org>

        PR target/35483
        * Makefile.in (coverage.o): Depend on $(TM_P_H).
        * coverage.c: Include tm_p.h.
        * config/rs6000/x-aix (jc1): Override LDFLAGS.
        * config/rs6000/xcoff.h (ASM_GENERATE_INTERNAL_LABEL): Strip
        dollar signs from PREFIX.
        * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
        instead of manual strip_name_encoding.

2008-10-16  Richard Guenther  <rguenther@suse.de>

        PR middle-end/37418
        * tree-ssa.c (useless_type_conversion_p_1): Do not treat
        volatile qualified functions or methods as relevant.

2008-10-16  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/37525
        * tree.c (int_fits_type_p): Rewrite using double_int.  Zero extend
        sizetype unsigned constants, both in the case of C and bounds.

2008-10-15  Jan Hubicka  <jh@suse.cz>

        * ira-emit.c (change_regs): Return false when replacing reg by itself.

2008-10-14  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/37633
        * ira-costs.c (ira_tune_allocno_costs_and_cover_classes): Check
        HARD_REGNO_CALL_PART_CLOBBERED.

2008-10-15  Vladimir Makarov  <vmakarov@redhat.com>

        PR middle-end/37535
        * ira-lives.c (mark_early_clobbers): Remove.
        (make_pseudo_conflict, check_and_make_def_use_conflicts,
        check_and_make_def_conflicts,
        make_early_clobber_and_input_conflicts,
        mark_hard_reg_early_clobbers): New functions.
        (process_bb_node_lives): Call
        make_early_clobber_and_input_conflicts and
        mark_hard_reg_early_clobbers.  Make hard register inputs live again.

        * doc/rtl.texi (clobber): Change descriotion of RA behaviour for
        early clobbers of pseudo-registers.

2008-10-15  Vladimir Makarov  <vmakarov@redhat.com>

        PR middle-end/37674
        * ira-build.c (ira_flattening): Recalculate
        ALLOCNO_TOTAL_NO_STACK_REG_P and ALLOCNO_TOTAL_CONFLICT_HARD_REGS
        from the scratch instead of the propagation.

2008-10-15  Richard Sandiford  <rdsandiford@googlemail.com>

        * doc/rtl.texi (const_double): Remove the "addr" operand.
        Describe CONST_DOUBLE_* macros under const_double rather
        than const_vector.
        (const_fixed): Fix the operand description.
        (const): Add an @findex directive.
        (CONST0_RTX, CONST1_RTX, CONST2_RTX): Move description
        after the constant rtl table.
        (fix): Combine floating-point and fixed-point descriptions.
        Fix hyphenation.
        * sched-deps.c (sched_analyze_2): Remove reference to
        CONST_DOUBLE_CHAIN.

2008-10-15  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mn10300/mn10300.h (OUTPUT_ADDR_CONST_EXTRA): Handle
        UNSPEC_GOTSYM_OFFs.
        * config/mn10300/mn10300.c (legitimate_pic_operand_p): Return true
        for UNSPEC_GOTSYM_OFFs.
        * config/mn10300/mn10300.md (UNSPEC_GOTSYM_OFF): New unspec.
        (add_GOT_to_pic_reg): Use it.
        * config/mn10300/constraints.md (S): Allow UNSPEC_GOTSYM_OFF.

2008-10-15  Jan Sjodin  <jan.sjodin@amd.com>
            Harsha Jagasia  <harsha.jagasia@amd.com>

        PR tree-optimization/37485
        * graphite.c (gmp_cst_to_tree): Moved.
        (iv_stack_entry_is_constant): New.
        (iv_stack_entry_is_iv): New.
        (loop_iv_stack_push): Renamed to loop_iv_stack_push_iv.
        (loop_iv_stack_insert_constant): New.
        (loop_iv_stack_pop): Use new datatpype.
        (loop_iv_stack_get_iv): Same.
        (loop_iv_stack_get_iv_from_name): Same.
        (loop_iv_stack_debug): Renamed to debug_loop_iv_stack.
        (loop_iv_stack_patch_for_consts): New.
        (loop_iv_stack_remove_constants): New.
        (graphite_create_new_loop): Use loop_iv_stack_push_iv.
        (translate_clast): Call loop_iv_stack_patch_for_consts and
        loop_iv_stack_remove_constants.
        (gloog): Use new datatype.  Redirect construction edge to end
        block to avoid accidental deletion.
        * graphite.h (enum iv_stack_entry_kind): New.  Tag for data in
        iv stack entry.
        (union iv_stack_entry_data): New.  Data in iv stack entry.
        (struct iv_stack_entry): New.  Datatype for iv stack entries.

2008-10-15  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-data-ref.c (stmt_simple_memref_p): Fix memleak.
        * graphite.c (free_scop): Same.
        (build_scops): Same.
        (free_scattering): New.
        (build_cloog_prog): Call free_scattering.
        (patch_phis_for_virtual_defs): Fix memleak.
        (graphite_trans_bb_strip_mine): Same.
        (limit_scops): Same.

2008-10-15  Sebastian Pop  <sebastian.pop@amd.com>
            Harsha Jagasia  <harsha.jagasia@amd.com>

        PR tree-optimization/37828
        * graphite.c (graphite_trans_loop_block): Do not loop block
        single nested loops.

2008-10-15  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/37686
        * tree-loop-linear.c (linear_transform_loops): Build a
        loop nest vector.  Pass it to lambda_compute_access_matrices.
        * tree-data-ref.h (struct access_matrix): Store the loop nest
        relative to which it encodes the information.
        (AM_LOOP_NEST_NUM): Renamed AM_LOOP_NEST.
        (am_vector_index_for_loop): Reimplemented: iterate over the
        loop nest for finding the loop index in the access matrix.
        (lambda_compute_access_matrices): Update declaration.
        * lambda-code.c (build_access_matrix): Pass the loop nest and
        record it.
        (lambda_compute_access_matrices): Same.

2008-10-15  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.h: (TARGET_DFP): This requires TARGET_HARD_FLOAT.
        * config/s390/s390.md: Replace "TARGET_HARD_FLOAT &&
        TARGET_(HARD_)DFP" with only TARGET_(HARD_)DFP since this
        already implies hard float.  Also fix several insn condition
        with TARGET_DFP which shall require TARGET_HARD_DFP instead.

2008-10-15  David Edelsohn  <edelsohn@gnu.org>

        PR target/35483
        Based on patches by Laurent Vivier.
        * xcoffout.h (DBX_FINISH_STABS): Translate dollar sign to underscore.
        * config/rs6000/rs6000-protos.h (rs6000_xcoff_strip_dollar): Declare.
        * config/rs6000/xcoff.h (ASM_DECLARE_FUNCTION_NAME): Translate
        dollar sign to underscore.
        (ASM_OUTPUT_EXTERNAL): Same.
        (ASM_OUTPUT_LABELREF): New.
        * config/rs6000/rs6000.c (rs6000_xcoff_strip_dollar): New.

        * config/rs6000/aix51.h (TARGET_USE_JCR_SECTION): Define.
        * config/rs6000/aix52.h (TARGET_USE_JCR_SECTION): Define.
        * config/rs6000/aix53.h (TARGET_USE_JCR_SECTION): Define.
        * config/rs6000/aix61.h (TARGET_USE_JCR_SECTION): Define.

2008-10-15  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/36881
        * tree-switch-conversion.c (check_final_bb): For flag_pic, check
        that each value doesn't need runtime relocations, for !flag_pic
        check that each value is just a valid initializer constant.

2008-10-14  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.h (reg_class): Remove HI_AND_GR_REGS,
        LO_AND_GR_REGS, HI_AND_FP_REGS, COP0_AND_GR_REGS, COP2_AND_GR_REGS,
        COP3_AND_GR_REGS, ALL_COP_REGS and ALL_COP_AND_GR_REGS.
        Add GR_AND_MD0_REGS, GR_AND_MD1_REGS, GR_AND_MD_REGS and
        GR_AND_ACC_REGS.
        (REG_CLASS_NAMES): Update accordingly.
        (REG_CLASS_CONTENTS): Likewise.  Use the class name in the comments,
        rather than an unpredictable descriptive string.
        * config/mips/mips.c (mips_register_move_cost): Remove comment.
        (mips_register_move_cost): Check for specific COP*_REGS classes,
        instead of ALL_COP_AND_GR_REGS.
        (mips_ira_cover_classes): New function.
        (mips_secondary_reload_class): Remove MTLO and MTHI workarounds.
        (TARGET_IRA_COVER_CLASSES): Define.

2008-10-14  Douglas Gregor  <doug.gregor@gmail.com>

        PR c++/37553
        * tree.c (build_type_attribute_qual_variant): Hash on the
        unqualified type, and don't overwrite an existing
        (type_hash_eq): Make the TYPE_NAME of the types significant, to
        allow distinguishing between wchar_t and its underlying type. This
        also means that we'll retain a little more typedef information.

2008-10-14  Andrey Belevantsev  <abel@ispras.ru>
            Dmitry Melnik  <dm@ispras.ru>
            Dmitry Zhurikhin  <zhur@ispras.ru>
            Alexander Monakov  <amonakov@ispras.ru>
            Maxim Kuvyrkov  <maxim@codesourcery.com>

        * target.h (struct gcc_target): Update prototypes of needs_block_p
        and gen_spec_check.
        * haifa-sched.c (create_check_block_twin): Update calls to the above.
        * sel-sched.c (create_speculation_check): Likewise.
        * doc/tm.texi: Provide documentation for new target hooks.

        * config/ia64/ia64.c: Include sel-sched.h.  Rewrite speculation hooks.
        (ia64_gen_spec_insn): Removed.
        (get_spec_check_gen_function, insn_can_be_in_speculative_p,
        ia64_gen_spec_check): New static functions.
        (ia64_alloc_sched_context, ia64_init_sched_context,
        ia64_set_sched_context, ia64_clear_sched_context,
        ia64_free_sched_context, ia64_get_insn_spec_ds,
        ia64_get_insn_checked_ds, ia64_skip_rtx_p): Declare functions.
        (ia64_needs_block_p): Change prototype.
        (ia64_gen_check): Rename to ia64_gen_spec_check.
        (ia64_adjust_cost): Rename to ia64_adjust_cost_2.  Add new parameter
        into declaration, add special memory dependencies handling.
        (TARGET_SCHED_ALLOC_SCHED_CONTEXT, TARGET_SCHED_INIT_SCHED_CONTEXT,
        TARGET_SCHED_SET_SCHED_CONTEXT, TARGET_SCHED_CLEAR_SCHED_CONTEXT,
        TARGET_SCHED_FREE_SCHED_CONTEXT, TARGET_SCHED_GET_INSN_SPEC_DS,
        TARGET_SCHED_GET_INSN_CHECKED_DS, TARGET_SCHED_SKIP_RTX_P):
        Define new target hooks.
        (TARGET_SCHED_GEN_CHECK): Rename to TARGET_SCHED_GEN_SPEC_CHECK.
        (ia64_optimization_options): Turn on selective scheduling with -O3,
        disable -fauto-inc-dec. Set mflag_sched_control_spec to true by
        default with selective scheduling.
        (ia64_override_options): Initialize align_loops and align_functions
        to 32 and 64, respectively.  Set global selective scheduling flags
        according to target-dependent flags.
        (rtx_needs_barrier): Support UNSPEC_LDS_A.
        (group_barrier_needed): Use new mstop-bit-before-check flag.
        Add heuristic.
        (dfa_state_size): Make global.
        (spec_check_no, max_uid): Remove.
        (mem_ops_in_group, current_cycle): New variables.
        (ia64_sched_init): Disable checks for !SCHED_GROUP_P after reload.
        Initialize new variables.
        (is_load_p, record_memory_reference): New functions.
        (ia64_dfa_sched_reorder): Lower priority of loads when limit is
        reached.
        (ia64_variable_issue): Change use of current_sched_info to
        sched_deps_info.  Update comment.  Note if a load or a store is issued.
        (ia64_first_cycle_multipass_dfa_lookahead_guard_spec): Require a cycle
        advance if maximal number of loads or stores was issued on current
        cycle.
        (scheduled_good_insn): New static helper function.
        (ia64_dfa_new_cycle): Assert that last_scheduled_insn is set when
        a group barrier is needed.  Fix vertical spacing.  Guard the code
        doing state transition with last_scheduled_insn check.
        Mark that a stop bit should be before current insn if there was a
        cycle advance.  Update current_cycle and mem_ops_in_group.
        (ia64_h_i_d_extended): Change use of current_sched_info to
        sched_deps_info. Reallocate stops_p by larger chunks.
        (struct _ia64_sched_context): New structure.
        (ia64_sched_context_t): New typedef.
        (ia64_alloc_sched_context, ia64_init_sched_context,
        ia64_set_sched_context, ia64_clear_sched_context,
        ia64_free_sched_context): New static functions.
        (gen_func_t): New typedef.
        (get_spec_load_gen_function): New function.
        (SPEC_GEN_EXTEND_OFFSET): Declare.
        (ia64_set_sched_flags): Check common_sched_info instead of *flags.
        (get_mode_no_for_insn): Change the condition that prevents use of
        special hardware registers so it can now handle pseudos.
        (get_spec_unspec_code): New function.
        (ia64_skip_rtx_p, get_insn_spec_code, ia64_get_insn_spec_ds,
        ia64_get_insn_checked_ds, ia64_gen_spec_load): New static functions.
        (ia64_speculate_insn, ia64_needs_block_p): Support branchy checks
        during selective scheduling.
        (ia64_speculate_insn): Use ds_get_speculation_types when
        determining whether we need to change the pattern.
        (SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET): Declare.
        (ia64_spec_check_src_p): Support new speculation/check codes.
        (struct bundle_state): New field.
        (issue_nops_and_insn): Initialize it.
        (insert_bundle_state): Minimize mid-bundle stop bits.
        (important_for_bundling_p): New function.
        (get_next_important_insn): Use important_for_bundling_p.
        (bundling): When shifting TImode from unimportant insns, ignore
        also group barriers.  Assert that best state is found before
        the backward bundling pass.  Print number of mid-bundle stop bits.
        Minimize mid-bundle stop bits.  Check correct calculation of
        mid-bundle stop bits.
        (ia64_sched_finish, final_emit_insn_group_barriers): Fix formatting.
        (final_emit_insn_group_barriers): Emit stop bits before insns starting
        a new cycle.
        (sel2_run): New variable.
        (ia64_reorg): When flag_selective_scheduling2 is set, run the
        selective scheduling pass instead of schedule_ebbs.

        * config/ia64/ia64.md (speculable1, speculable2): New attributes.
        (UNSPEC_LDS_A): New UNSPEC.
        (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
        movti_internal, movsf_internal, movdf_internal,
        movxf_internal): Make visible.  Add speculable* attributes.
        (output_c_nc): New mode attribute.
        (mov<mode>_speculative_a, zero_extend<mode>di2_speculative_a,
        mov<mode>_nc, zero_extend<mode>di2_nc,
        advanced_load_check_nc_<mode>): New insns.
        (zero_extend*): Add speculable* attributes.

        * config/ia64/ia64.opt (msched_fp_mem_deps_zero_cost): New option.
        (msched-stop-bits-after-every-cycle): Likewise.
        (msched-max-memory-insns, msched-max-memory-insns-hard-limit):
        Likewise.
        (msched-spec-verbose): Remove.
        (msched-prefer-non-data-spec-insns,
        msched-prefer-non-control-spec-insns,
        msched-count-spec-in-critical-path,
        msel-sched-dont-check-control-spec): Use Target  Report Var
        instead of Common Report Var.

        * config/ia64/itanium2.md: Remove incorrect bypass.

        * config/ia64/t-ia64 (ia64.o): Add dependency on sel-sched.h.

2008-10-14  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/37805
        * opts.c (common_handle_option): Don't ICE on -fhelp=joined
        and -fhelp=separate.

2008-10-14  Ben Elliston  <bje@au.ibm.com>

        * config/rs6000/rs6000.md (cell_micro): Fix formatting.

2008-10-13  Joseph Myers  <joseph@codesourcery.com>

        * combine.c (simplify_set): Avoid calling LOAD_EXTEND_OP on
        non-integer modes.

2008-10-13  Matthias Klose  <doko@ubuntu.com>

        * config/pa/linux-atomic.c: Work around missing header file
        for hppa64-linux-gnu targets.

2008-10-13  Andrew Pinski  <andrew_pinski@playstation.sony.com>
            Kaushal Kantawala <Kaushal_Kantawala@playstation.sony.com>
            Trevor Smigiel  <Trevor_Smigiel@playstation.sony.com>
            Grace Cao  <grace_cao@playstation.sony.com>

        * doc/invoke.texi (-mgen-cell-microcode): Document.
        (-mwarn-cell-microcode): Document.
        * cfglayout.c (locator_location): Export.
        * rtl.h (locator_location): Define prototype.
        * config/rs6000/predicates.md (cc_reg_not_micro_cr0_operand):
        New predicate.
        * rs6000/rs6000-protos.h (rs6000_final_prescan_insn): Define prototype.
        * config/rs6000/rs6000.opt (mgen-cell-microcode): New option.
        (mwarn-cell-microcode): New option.
        * rs6000/rs6000.c (rs6000_cell_dont_microcode): Delete unused variable.
        (rs6000_override_options): Set rs6000_gen_cell_microcode if tuning for
        cell and not already set.
        Turn off string instructions if not generating cell microcode.
        (rs6000_final_prescan_insn): New function that warns about microcoded
        instructions.
        * config/rs6000/rs6000.h (FINAL_PRESCAN_INSN): Define.
        * config/rs6000/rs6000.md
        Replace cc_reg_not_cr0_operand with cc_reg_not_micro_cr0_operand if
        the instruction would have been microcoded on the Cell.  Set
        cell_micro to always on unnamed patterns for the string instructions.
        (cell_micro): Update definition, remove load/store conditional
        microcoded.
        (sign_extend:DI): Define new pattern for non microcoded version.
        (sign_extend:SI): Likewise.
        (compare (div:P)): Set cell_micro to not.
        (andsi3): Define as an expand.
        (andsi3_mc): New pattern.
        (andsi3_nomc): New pattern.
        (andsi3_internal0_nomc): New pattern.
        (andsi3_internal2): Rename to ...
        (andsi3_internal2_mc): this and enable iff generating microcode.
        (andsi3_internal3): Rename to ...
        (andsi3_internal3_mc): this and enable iff generating microcode.
        (andsi3_internal4): Enable iif generating microcode.
        (andsi3_internal5): Rename to ..
        (andsi3_internal5_mc): this and enable iff generating microcode.
        (andsi3_internal5_nomc): New pattern.
        (extzvdi_internal1): Enable iff generating microcode.
        (extzvdi_internal2): Likewise.
        (rotlsi3_internal7): Set cell_micro to always if non immediate form.
        (anddi3): Change to expand.
        (anddi3_mc): Rename from anddi3.
        (anddi3_no_mc): New pattern.
        (anddi3_internal2): Rename to ..
        (anddi3_internal2_mc): this and enable iff generating microcode.
        (anddi3_internal2_nomc): New pattern.
        (anddi3_internal3): Rename to ..
        (anddi3_internal3_mc): this and enable iff generating microcode.
        (anddi3_internal3_nomc): New pattern.
        (movti_string): Set cell_micro to always if TARGET_STRING.
        (stmsi8): Set cell_micro to always.
        (stmsi7): Likewise.
        (stmsi6): Likewise.
        (stmsi5): Likewise.
        (stmsi4): Likewise.
        (stmsi3): Likewise.
        (stmsi8_power): Likewise.
        (stmsi7_power): Likewise.
        (stmsi6_power): Likewise.
        (stmsi5_power): Likewise.
        (stmsi4_power): Likewise.
        (stmsi3_power): Likewise.
        (movsi_update2): Enable iff generating microcode.
        (movhi_update3): Likewise.
        (lmw): Set cell_micro to always.

2008-10-13  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/s390/s390.md (UNSPEC_POOL_OFFSET): New constant.
        * config/s390/s390.c (machine_function): Remove
        decomposed_literal_pool_addresses_ok_p.
        (s390_decompose_address): Check for UNSPEC_POOL_OFFSET instead of
        the difference of two labels.
        (s390_output_addr_const_extra): Handle UNSPEC_POOL_OFFSET.
        (s390_pool_offset): New function.
        (s390_find_constant, s390_find_execute, s390_dump_pool): Use it.
        (s390_reorg): Don't set decomposed_literal_pool_addresses_ok_p.

2008-10-13  Nathan Froyd  <froydnj@codesourcery.com>

        * doc/install.texi (powerpc-*-*): Require binutils 2.15.
        (powerpc*-*-linux-gnu*): Describe.
        * config/rs6000/ppc-asm.h (HIDDEN_FUNC): New macro.
        * 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/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: Use it.
        * config/rs6000/crtsavres.asm: Really remove.

2008-10-13  Kai Tietz  <kai.tietz@onevision.com>

        Fix PR/25502
        * c-format.c (convert_format_name_to_system_name): Use
        TARGET_OVERRIDES_FORMAT_INIT.
        * config.gcc (extra_options): Add for mingw targets mingw.opt.
        * config/i386/mingw.opt: New.
        * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_INIT): New.
        * config/i386/msformat-c.c (TARGET_OVERRIDES_FORMAT_INIT): New.
        (ms_printf_length_specs): Removed const specifier.
        * doc/tm.texi (TARGET_OVERRIDES_FORMAT_INIT): New.
        * doc/invoke.texi (Wno-pedantic-ms-format): New.

2008-10-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c: Remove MPFR_VERSION_NUM(2,3,0) conditionals.
        * doc/install.texi: Bump recommended MPFR to 2.3.2.

2008-10-12  Kenneth Zadeck <zadeck@naturalbridge.com>

        PR middle-end/37808
        * df-scan.c (df_ref_change_reg_with_loc_1): Added test to make
        sure that ref has valid bb.

2008-10-12  Richard Henderson  <rth@redhat.com>

        PR middle-end/37447
        * Makefile.in (reload1.o): Depend on EMIT_RTL_H.
        * alias.c (value_addr_p, stack_addr_p): Remove.
        (nonoverlapping_memrefs_p): Remove IRA special case.
        * emit-rtl.c (get_spill_slot_decl, set_mem_attrs_for_spill): New.
        * emit-rtl.h (set_mem_attrs_for_spill): Declare.
        * reload1.c (alter_reg): Use it.

2008-10-12  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/driver-i386.c (detect_caches_cpuid2): Use array
        of registers instead of eax, ebx, ecx and edx.  Use for loop
        and check register for non-zero value before the call
        to decode_caches_intel.

2008-10-11  Kenneth Zadeck <zadeck@naturalbridge.com>

        PR rtl-optimization/37448
        * df.h: (df_ref_class): New enum.
        (DF_REF_TYPE_NAMES, df_ref_extract): Removed.
        (struct df_ref): Replaced with union df_ref_d.
        (df_base_ref, df_artificial_ref, df_regular_ref, df_extract_ref):
        New members of df_ref_d union.
        (DF_REF_REAL_REG, DF_REF_REGNO, DF_REF_REAL_LOC, DF_REF_REG,
        DF_REF_LOC, DF_REF_BB, DF_REF_INSN_INFO, DF_REF_INSN,
        DF_REF_CLASS, DF_REF_TYPE, DF_REF_CHAIN, DF_REF_ID, DF_REF_FLAGS,
        DF_REF_ORDER, DF_REF_IS_ARTIFICIAL, DF_REF_NEXT_REG,
        DF_REF_PREV_REG, DF_REF_EXTRACT_WIDTH, DF_REF_EXTRACT_OFFSET,
        DF_REF_EXTRACT_MODE): Replaced definition to access union df_ref_d.
        (DF_MWS_REG_DEF_P, DF_MWS_REG_USE_P, DF_MWS_TYPE): New macros.
        (df_scan_bb_info, df_bb_regno_first_def_find,
        df_bb_regno_last_def_find, df_find_def, df_find_use,
        df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
        debug_df_ref, df_chain_create, df_chain_unlink, df_chain_copy,
        df_ref_create, df_ref_remove, df_compute_accessed_bytes,
        df_get_artificial_defs, df_get_artificial_uses, union_defs)
        Replaced struct df_ref * with df_ref.
        * df-scan.c (df_collection_rec, df_null_ref_rec,
        df_ref_chain_delete_du_chain, df_ref_chain_delete, df_install_ref,
        df_grow_ref_info, df_ref_create, df_reg_chain_unlink,
        df_ref_compress_rec, df_ref_remove, df_ref_chain_delete_du_chain,
        df_ref_chain_delete, df_free_collection_rec, df_insn_rescan,
        df_reorganize_refs_by_reg_by_reg,
        df_reorganize_refs_by_reg_by_insn, df_reorganize_refs_by_reg,
        df_ref_change_reg_with_loc_1, df_notes_rescan, df_swap_refs,
        df_sort_and_compress_refs, df_install_ref, df_install_refs,
        df_ref_record, df_get_conditional_uses, df_get_call_refs,
        df_bb_refs_record, df_exit_block_uses_collect,
        df_record_exit_block_uses, df_reg_chain_mark,
        df_reg_chain_verify_unmarked, df_refs_verify): Replaced struct
        df_ref * with df_ref.
        (df_ref_record, df_uses_record, df_ref_create_structure): Added
        df_ref_class parameter.
        (df_scan_problem_data): Added new pools for different types of refs.
        (df_scan_free_internal, df_scan_alloc, df_free_ref,
        df_ref_create_structure): Processed new ref pools.
        (df_scan_start_dump): Added counts of refs and insns.
        (df_ref_create, df_notes_rescan, df_def_record_1, df_uses_record,
        df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
        df_entry_block_defs_collect, df_exit_block_uses_collect): Added
        code to pass df_ref_class down to ref creation functions.
        (df_reg_chain_unlink, df_ref_remove, df_ref_change_reg_with_loc_1,
        df_reg_chain_mark): Use macros to hide references to df_refs.
        (df_ref_chain_change_bb): Removed.
        (df_insn_change_bb): Remove calls to df_ref_insn_change_bb.
        (df_ref_equal_p, df_ref_compare, df_ref_create_structure):
        Enhanced to understand df_ref union structure.
        * fwprop.c (local_ref_killed_between_p, use_killed_between,
        all_uses_available_at, update_df, try_fwprop_subst,
        forward_propagate_subreg, forward_propagate_and_simplify,
        forward_propagate_into, fwprop, fwprop_addr): Replaced struct
        df_ref * with df_ref.
        (use_killed_between, all_uses_available_at): Use macros to hide
        references to df_refs.
        * regstat.c (regstat_bb_compute_ri,
        regstat_bb_compute_calls_crossed): Replaced struct df_ref * with
        df_ref.
        * see.c (see_handle_relevant_defs, see_handle_relevant_uses,
        see_handle_relevant_refs, see_analyze_one_def,
        see_update_relevancy, see_propagate_extensions_to_uses): Replaced
        struct df_ref * with df_ref.
        * ra-conflict.c (record_one_conflict, clear_reg_in_live,
        global_conf