* config.gcc (powerpc*-*-* | rs6000-*-*): Add

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

2009-04-28  Joseph Myers  <joseph@codesourcery.com>

        * config.gcc (powerpc*-*-* | rs6000-*-*): Add
        rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
        tune_32 and tune_64.
        * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
        support on PowerPC.
        * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
        * config/rs6000/option-defaults.h: ... here.  New file.
        (OPT_64, OPT_32): Define.
        (MASK_64BIT): Define to 0 if not already defined.
        (OPT_ARCH64, OPT_ARCH32): Define.
        (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
        and tune_64.

2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm.c (arm_override_options): Emit error on using
        fpa with AAPCS.

2009-04-28  Uros Bizjak  <ubizjak@gmail.com>

        PR rtl-optimization/39914
        * ira-conflicts.c (ira_build_conflicts): Prohibit call used
        registers for allocnos created from user-defined variables only
        when not optimizing.

2009-04-28  Richard Guenther  <rguenther@suse.de>

        PR middle-end/39937
        * fold-const.c (fold_binary): Use distribute_real_division only
        on float types.

2009-04-28  Steve Ellcey  <sje@cup.hp.com>

        * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
        add hpux-stdint.h to tm_file.
        (hppa[12]*-*-hpux11*): Ditto.
        (ia64*-*-hpux*): Ditto.
        * config/hpux-stdint.h: New.
        * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
        __STDC_EXT__ for all compiles.
        * config/pa/pa-hpux.h: Ditto.
        * config/pa/pa-hpux10.h: Ditto.
        * config/pa/pa-hpux11.h: Ditto.

2009-04-28  Catherine Moore  <clm@codesourcery.com>

        * debug.h (set_name): Add comment.

2009-04-28  Andrew Pinski  <pinskia@gmail.com>

        PR target/39929
        * config/darwin.c (machopic_gen_offset): Check
        currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
        * config/arm/arm.c (require_pic_register): Likewise.

2009-04-28  Paolo Bonzini  <bonzini@gnu.org>

        * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
        m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
        m32c_promote_prototypes): Delete.

2009-04-28  Michael Matz  <matz@suse.de>

        PR middle-end/39922
        * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
        constants.

2009-04-28  Richard Guenther  <rguenther@suse.de>

        * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.

2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm-cores.def: Add support for arm1156t2f-s.
        * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
        * config/arm/arm-tune.md: Regenerate.

2009-04-28  Alexander Monakov  <amonakov@ispras.ru>

        * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
        block if there are complex incoming edges.
        (sel_merge_blocks): Remove useless assert.
        (sel_redirect_edge_and_branch): Check that edge was redirected.
        * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
        (sel_find_rgns): Delete declaration.
        * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
        the region when it is not a preheader.

2009-04-28  Uros Bizjak  <ubizjak@gmail.com>

        PR c/39323
        * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h

2009-04-28  Richard Guenther  <rguenther@suse.de>

        * tree.h (SSA_NAME_VALUE): Remove.
        (struct tree_ssa_name): Remove value_handle member.
        * tree-vrp.c (execute_vrp): Initialize/free the value-handle
        array for jump threading.
        * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
        SSA_NAME_VALUEs.
        * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
        * tree-flow.h (threadedge_initialize_values): Declare.
        (threadedge_finalize_values): Likewise.
        * tree-ssa-threadedge.c (ssa_name_values): New global variable.
        (SSA_NAME_VALUE): Define.
        (threadedge_initialize_values): New function.
        (threadedge_finalize_values): Likewise.
        * tree-ssa-dom.c (ssa_name_values): New global variable.
        (SSA_NAME_VALUE): Define.
        (tree_ssa_dominator_optimize): Initialize/free the value-handle array.

2009-04-28  Ira Rosen  <irar@il.ibm.com>

        * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
        Use REPORT_VECTORIZED_LOCATIONS instead 
        REPORT_VECTORIZED_LOOPS.
        * tree-vectorizer.c (vect_verbosity_level): Make static.
        (vect_loop_location): Rename to vect_location.
        (vect_set_verbosity_level): Update comment.
        (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
        and vect_location.
        (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
        and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
        instead REPORT_UNVECTORIZED_LOOPS.
        * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def and
        vect_loop_def to vect_external_def and vect_internal_def.
        (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
        and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and 
        REPORT_UNVECTORIZED_LOCATIONS.
        (enum vect_relevant): Update comment. Rename vect_unused_in_loop
        and vect_used_in_loop and to vect_unused_in_scope and 
        vect_used_in_scope.
        (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
        (vect_verbosity_level): Remove declaration.
        (vect_analyze_operations): Likewise.
        (vect_analyze_stmt): Declare.
        * tree-vect-loop.c (vect_determine_vectorization_factor): Use
        REPORT_UNVECTORIZED_LOCATIONS.
        (vect_get_loop_niters): Fix indentation.
        (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
        (vect_analyze_loop_operations): New function.
        (vect_analyze_loop): Call vect_analyze_loop_operations instead of
        vect_analyze_operations.
        (vect_is_simple_reduction): Use new names.
        (vectorizable_live_operation, vect_transform_loop): Likewise.
        * tree-vect-data-refs.c (vect_check_interleaving): Add a return value to
        specify whether the data references can be a part of interleaving chain.
        (vect_analyze_data_ref_dependence): Use new names.
        (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
        (vect_create_addr_base_for_vector_ref): Remove redundant code.
        * tree-vect-patterns.c (widened_name_p): Use new names.
        (vect_recog_dot_prod_pattern): Likewise.
        * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
        (process_use, vect_mark_stmts_to_be_vectorized, 
        vect_model_simple_cost, vect_model_store_cost,
        vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
        vectorizable_call, vectorizable_conversion, vectorizable_assignment,
        vectorizable_operation, vectorizable_type_demotion,
        vectorizable_type_promotion, vectorizable_store, vectorizable_load,
        vectorizable_condition): Likewise.
        (vect_analyze_operations): Split into vect_analyze_loop_operations
        and ...
        (vect_analyze_stmt): ... new function.
        (new_stmt_vec_info): Use new names.
        (vect_is_simple_use): Use new names and fix comment.
        * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
        (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.

2009-04-28  Uros Bizjak  <ubizjak@gmail.com>

        PR target/39911
        * config/i386/i386.c (print_operand) ['Z']: Handle floating point
        and integer modes for x87 operands.  Do not ICE for unsupported size,
        generate error instead.  Generate error for unsupported operand types.
        ['z']: Do not handle HImode memory operands specially.  Warning
        for floating-point operands.  Fallthru to 'Z' for unsupported operand
        types.  Do not ICE for unsupported size, generate error instead.
        (output_387_binary_op): Use %Z to output operands.
        (output_fp_compare): Ditto.
        (output_387_reg_move): Ditto.

2009-04-28  Ben Elliston  <bje@au.ibm.com>

        PR c++/35652
        Revert:

        2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * builtins.c (c_strlen): Do not warn here.
        * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
        * c-common.c (pointer_int_sum): Take an explicit location.
        Warn about offsets out of bounds.
        * c-common.h (pointer_int_sum): Adjust declaration.

2009-04-27  Ian Lance Taylor  <iant@google.com>

        * collect2.c (is_ctor_dtor): Change type of ret field in struct
        names to symkind.
        * dce.c (run_fast_df_dce): Change type of old_flags to int.
        * df-core.c (df_set_flags): Change return type to int.  Change
        type of old_flags to int.
        (df_clear_flags): Likewise.
        * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
        (df_get_conditional_uses): Likewise.
        * df.h (df_set_flags, df_clear_flags): Update declarations.
        * dwarf2out.c (struct indirect_string_node): Change type of form
        field to enum dwarf_form.
        (AT_string_form): Change return type to enum dwarf_form.
        * fixed-value.c (fixed_compare): Add cast to enum type.
        * fwprop.c (update_df): Change 0 to VOIDmode.
        * gensupport.c: Change 0 to UNKNOWN.
        * gimple.h (gimple_cond_code): Add cast to enum type.
        * haifa-sched.c (reemit_notes): Add cast to enum type.
        * hooks.c (hook_int_void_no_regs): Remove function.
        * hooks.h (hook_int_void_no_regs): Remove declaration.
        * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
        * predict.c (combine_predictions_for_insn): Add casts to enum type.
        * real.c (real_arithmetic): Add cast to enum type.
        (real_compare): Likewise.
        * target.h (struct gcc_target): Change return type of
        branch_target_register_class to enum reg_class.
        * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
        default_branch_target_register_class.
        * targhooks.c (default_branch_target_register_class): New function.
        * targhooks.h (default_branch_target_register_class): Declare.
        * tree-data-ref.c (print_direction_vector): Add cast to enum type.
        * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
        cast to int.
        * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
        ERROR_MARK.
        * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
        vect_uninitialized_def.  Change 0 to ERROR_MARK.
        * tree-vect-stmts.c (supportable_widening_operation): Don't
        initialize icode1 and icode2.
        * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
        * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
        and to STD_C89.
        (cmn_err_flag_specs): Change 0 to STD_C89.
        (cmn_err_char_table): Likewise.
        * config/arm/arm.c (get_arm_condition_code): Change type of code
        to enum arm_cond_code.
        (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
        (IWMMXT_BUILTIN2): Likewise.
        (neon_builtin_type_bits): Don't define typedef.
        (neon_builtin_datum): Change type of bits field to int.
        (arm_expand_neon_args): Add cast to enum type.
        * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
        TLS_MODEL_NONE.
        * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
        casts to enum type.
        * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
        MIPS_FP_COND_f.
        * config/mips/mips.md (jal_macro): Return enum constant.
        (single_insn): Likewise.
        * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
        CODE_FOR_nothing.
        * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
        casts to enum type.
        * config/s390/s390.c (s390_tune_flags): Change type to int.
        (s390_arch_flags): Likewise.
        (s390_handle_arch_option): Change flags field of struct pta to int.
        * config/s390/s390.h (s390_tune_flags): Update declaration.
        (s390_arch_flags): Likewise.
        * config/sh/sh.c (prepare_move_operands): Compare
        tls_symbolic_operand result with enum constant.
        (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
        (sh_expand_prologue): Add cast to enum type.
        (sh_expand_epilogue): Likewise.
        (tls_symbolic_operand): Change return type to enum tls_model.
        (fpscr_set_from_mem): Add cast to enum type.
        (legitimize_pic_address): Compare tls_symbolic_operand result with
        enum constant.
        (sh_target_reg_class): Change return type to enum reg_class.
        * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
        PROCESSOR_xxx.
        * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
        * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
        * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
        (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
        (delayed_branch, tls_call_delay): Likewise.
        (eligible_for_sibcall_delay): Likewise.
        (eligible_for_return_delay): Likewise. 
        * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
        (spu_expand_builtin_1): Likewise.

        * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
        for all types of conversions.
        (output_init_element): Issue -Wc++-compat warning if needed when
        initializing a bitfield with enum type.
        * c-parser.c (c_parser_expression): Set original_type to
        original_type of right hand operand of comman operator.

2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/c-tree.texi (Types, Functions, Expression trees): Fix
        grammar nits.
        * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
        * doc/cpp.texi (Standard Predefined Macros)
        (Implementation-defined behavior): Likewise.
        * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
        * doc/gimple.texi (GIMPLE Exception Handling)
        (@code{GIMPLE_ASSIGN}): Likewise.
        * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
        * doc/invoke.texi (Warning Options, Optimize Options)
        (AVR Options, Darwin Options): Likewise.
        (Optimize Options): Reformulate -fwhole-program description.
        * doc/loop.texi (Lambda): Likewise.
        * doc/md.texi (Output Template, Define Constraints)
        (Standard Names, Insn Splitting): Likewise.
        * doc/options.texi (Option properties): Likewise.
        * doc/passes.texi (Tree-SSA passes): Likewise.
        * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
        * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
        (File Names and DBX): Likewise.
        * doc/trouble.texi (Incompatibilities): Likewise.

2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>

        * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
        instruction is correct.

2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>

        Allow non-constant arguments to conversion intrinsics.
        * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
        * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
        * spu.c (print_operand): Handle 'v' and 'w'.
        (exp2_immediate_p, spu_gen_exp2): Define.
        * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
        spu_convtf_1): Update parameter descriptions.
        * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
        * constraints.md ('v', 'w'): New.
        * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
        Remove.
        (i2f, I2F): New define_mode_attr.
        (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
        floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
        fixuns_truncv4sfv4si2):  Update to use mode attribute.
        (float<mode><i2f>2_mul, float<mode><i2f>2_div,
        fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
        floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
        patterns for combine.

2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>

        * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
        (cprop, hoist, pre, store_motion): New debug counters.
        * tree-pass.h (pass_tracer): Move to list of gimple passes, it
        is not an RTL pass anymore.
        (pass_profiling): Remove extern decl for pass removed in 2005.
        (pass_gcse, pass_jump_bypass): Remove.
        * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
        to 0 for clean state.
        * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
        * cse.c (gate_handle_cse_after_global_opts,
        rest_of_handle_cse_after_global_opts): New functions.
        (pass_cse_after_global_opts): New pass, does local CSE.
        * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
        (TV_CPROP): New timevar.
        * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
        (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
        (gcse_main, recompute_all_luids): Remove.
        (compute_hash_table_work): Call max_reg_num instead of reading
        max_gcse_regno.
        (cprop_jump): Don't set run_jump_opt_after_gcse.
        (constprop_register): Always allow to alter jumps.
        (cprop_insn): Likewise.
        (do_local_cprop): Likewise.
        (local_cprop_pass): Likewise.  Return non-zero if something changed.
        (cprop): Remove function, fold interesting bits into one_cprop_pass.
        (find_implicit_sets): Add note about missed optimization opportunity.
        (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
        pass_rtl_cprop execute function.
        Don't bother tracking the pass number, each pass gets its own dumpfile
        now anyway.
        Always allow to alter jumpsand bypass jumps.
        (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
        will just find no suitable set.
        (pre_edge_insert): Fix dumping, this function is for PRE only.
        (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
        pass_rtl_pre execute function.
        (hoist_code): Return non-zero if something changed.  Keep track of
        substitutions and insertions for statistics gathering similar to PRE.
        (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
        called from the pass_rtl_hoist execute function.  Show pass statistics.
        (compute_store_table): Use max_reg_num directly instead of using the
        formerly global max_gcse_regno.
        (build_store_vectors): Likewise.
        (replace_store_insn): Fix dumping.
        (store_motion): Rename to ...
        (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
        pass, called from the pass_rtl_store_motion execute function.  Keep
        track of substitutions and insertions for statistics gathering similar
        to PRE.
        (bypass_jumps): Remove, fold interesting bits into ...
        (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
        from the pass_rtl_cprop execute function.
        (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
        pass_jump_bypass): Remove.
        (gate_handle_gcse, rest_of_handle_gcse): Remove.
        (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
        (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
        (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
        (gate_rtl_store_motion, execute_rtl_store_motion,
        pass_rtl_store_motion): New.
        * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
        make it clear that -fcse-skip-blocks is a no-op for backward compat.
        * passes.c (init_optimization_passes): Remove pass_gcse and
        pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
        and cse_after_global_opts in place of pass_gcse.  Schedule cprop
        instead of pass_jump_bypass.

2009-04-27  Richard Guenther  <rguenther@suse.de>

        PR middle-end/39928
        * gimplify.c (gimplify_expr): If we are required to create
        a temporary make sure it ends up as register.

2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39903
        * config/i386/i386.c (construct_container): Don't call
        gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
        X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.

2009-04-27  Michael Matz  <matz@suse.de>

        * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
        (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
        * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
        (dump_replaceable_exprs): Take a bitmap.
        * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
        array.
        (expand_gimple_basic_block): Likewise.
        * tree-ssa-ter.c (struct temp_expr_table_d): Make
        replaceable_expressions member a bitmap.
        (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
        (mark_replaceable): Likewise.
        (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
        * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.

2009-04-27  Richard Guenther  <rguenther@suse.de>

        * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
        (verify_stmts): Dispatch to gimple/type verification code.
        * tree-inline.c (remap_gimple_op_r): Work around C++ FE
        issue with call argument types.

2009-04-27  Michael Matz  <matz@suse.de>

        * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
        (init_update_ssa, delete_update_ssa, update_ssa): Remove references
        to above.

2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
            Eric Botcazou  <ebotcazou@adacore.com>

        * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
        a label's basic block.
        (mark_target_live_regs): Tidy and rework obsolete comments.
        Change back DF problem to LIVE.  If a label starts a basic block,
        assume that all registers that used to be live then still are.
        (init_resource_info): If a label starts a basic block, set its
        BLOCK_FOR_INSN accordingly.
        (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.

2009-04-27  Richard Guenther  <rguenther@suse.de>

        * tree-flow-inline.h (function_ann): Remove.
        (get_function_ann): Likewise.
        * tree-dfa.c (create_function_ann): Remove.
        * tree-flow.h (struct static_var_ann_d): Remove.
        (struct function_ann_d): Likewise.
        (union tree_ann_d): Remove fdecl member.
        (function_ann_t): Remove.
        (function_ann, get_function_ann, create_function_ann): Remove
        declarations.

2009-04-27  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.

2009-04-27  Jan Hubicka  <jh@suse.cz>

        * ipa-pure-const.c (struct funct_state_d): New fields
        state_previously_known, looping_previously_known; remove
        state_set_in_source.
        (analyze_function): Use new fields.
        (propagate): Avoid assumption that state_set_in_source imply
        nonlooping.

        * tree-ssa-loop-niter.c (finite_loop_p): New function.
        * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
        * cfgloop.h (finite_loop_p): Declare.

2009-04-26  Michael Matz  <matz@suse.de>

        * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.

2009-04-26  Michael Matz  <matz@suse.de>

        * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
        pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
        * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
        pass_mark_used_blocks): Remove.
        * tree-optimize.c (pass_free_datastructures,
        execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
        * passes.c (init_optimization_passes): Don't call
        pass_mark_used_blocks, remove dead code.

2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>

        * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
        * tree-ssa-live.h (register_ssa_partition): Likewise.

2009-04-26  Michael Matz  <matz@suse.de>

        Expand from SSA.
        * builtins.c (fold_builtin_next_arg): Handle SSA names.
        * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
        * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
        SSA names. 
        (compare_pairs): Swap cost comparison.
        (coalesce_ssa_name): Don't use change_partition_var.
        * tree-nrv.c (struct nrv_data): Add modified member.
        (finalize_nrv_r): Set it.
        (tree_nrv): Use it to update statements.
        (pass_nrv): Require PROP_ssa.
        * tree-mudflap.c (mf_decl_cache_locals,
        mf_build_check_statement_for): Use make_rename_temp.
        (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
        * alias.c (find_base_decl): Handle SSA names.
        * emit-rtl (set_reg_attrs_for_parm): Make non-static.
        (component_ref_for_mem_expr): Don't leak SSA names into RTL.
        * rtl.h (set_reg_attrs_for_parm): Declare.
        * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
        to "optimized", remove unused locals at finish.
        (execute_free_datastructures): Make global, call
        delete_tree_cfg_annotations.
        (execute_free_cfg_annotations): Don't call
        delete_tree_cfg_annotations.

        * ssaexpand.h: New file.
        * expr.c (toplevel): Include ssaexpand.h.
        (expand_assignment): Handle SSA names the same as register variables.
        (expand_expr_real_1): Expand SSA names.
        * cfgexpand.c (toplevel): Include ssaexpand.h.
        (SA): New global variable.
        (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
        (SSAVAR): New macro.
        (set_rtl): New helper function.
        (add_stack_var): Deal with SSA names, use set_rtl.
        (expand_one_stack_var_at): Likewise.
        (expand_one_stack_var): Deal with SSA names.
        (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
        before unique numbers.
        (expand_stack_vars): Use set_rtl.
        (expand_one_var): Accept SSA names, add asserts for them, feed them
        to above subroutines.
        (expand_used_vars): Expand all partitions (without default defs),
        then only the local decls (ignoring those expanded already).
        (expand_gimple_cond): Remove edges when jumpif() expands an
        unconditional jump.
        (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
        or remove abnormal edges.  Ignore insns setting the LHS of a TERed
        SSA name.
        (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
        members of SA; deal with PARM_DECL partitions here; expand
        all PHI nodes, free tree datastructures and SA.  Commit instructions
        on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
        (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
        info and statements at start, collect garbage at finish.
        * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
        (VAR_ANN_PARTITION) Remove.
        (change_partition_var): Don't declare.
        (partition_to_var): Always return SSA names.
        (var_to_partition): Only accept SSA names.
        (register_ssa_partition): Only check argument.
        * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
        member.
        (delete_var_map): Don't free it.
        (var_union): Only accept SSA names, simplify.
        (partition_view_init): Mark only useful SSA names as used.
        (partition_view_fini): Only deal with SSA names.
        (change_partition_var): Remove.
        (dump_var_map): Use ssa_name instead of partition_to_var member.
        * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
        basic blocks.
        * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
        (struct _elim_graph): New member const_dests; nodes member vector of
        ints.
        (set_location_for_edge): New static helper.
        (create_temp): Remove.
        (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
        insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
        (new_elim_graph): Allocate const_dests member.
        (clean_elim_graph): Truncate const_dests member.
        (delete_elim_graph): Free const_dests member.
        (elim_graph_size): Adapt to new type of nodes member.
        (elim_graph_add_node): Likewise.
        (eliminate_name): Likewise.
        (eliminate_build): Don't take basic block argument, deal only with
        partition numbers, not variables.
        (get_temp_reg): New static helper.
        (elim_create): Use it, deal with RTL temporaries instead of trees.
        (eliminate_phi): Adjust all calls to new signature.
        (assign_vars, replace_use_variable, replace_def_variable): Remove.
        (rewrite_trees): Only do checking.
        (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
        (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
        init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
        contains_tree_r, MAX_STMTS_IN_LATCH,
        process_single_block_loop_latch, analyze_edges_for_bb,
        perform_edge_inserts): Remove.
        (expand_phi_nodes): New global function.
        (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
        functions, initialize new parameter, remember partitions having a
        default def.
        (finish_out_of_ssa): New global function.
        (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
        don't reset in_ssa_p here, don't disable TER when mudflap.
        (pass_del_ssa): Remove.
        * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
        partition members.
        (execute_free_datastructures): Declare.
        * Makefile.in (SSAEXPAND_H): New variable.
        (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
        * basic-block.h (commit_one_edge_insertion): Declare.
        * passes.c (init_optimization_passes): Move pass_nrv and
        pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
        pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
        * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
        (redirect_branch_edge): Deal with super block when expanding, split
        out jump patching itself into ...
        (patch_jump_insn): ... here, new static helper.

2009-04-26  Michael Matz  <matz@suse.de>

        * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
        beyond num_ssa_names.
        * tree-ssa-ter.c (free_temp_expr_table): Likewise.
        * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.

2009-04-26  Jakub Jelinek  <jakub@redhat.com>

        PR inline-asm/39543
        * fwprop.c (forward_propagate_asm): New function.
        (forward_propagate_and_simplify): Propagate also into __asm, if it
        doesn't increase the number of referenced registers.

        PR c/39889
        * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.

2009-04-26  Jakub Jelinek  <jakub@redhat.com>

        * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
        note_nonlocal_vla_type for nonlocal VLAs.
        (note_nonlocal_vla_type, note_nonlocal_block_vlas,
        contains_remapped_vars, remap_vla_decls): New functions.
        (convert_nonlocal_reference_stmt): If not optimizing, call
        note_nonlocal_block_vlas on GIMPLE_BIND block vars.
        (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
        if it wasn't found in var_map.
        (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
        GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
        to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
        declare_vars.
        * gimplify.c (nonlocal_vlas): New variable.
        (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
        referenced VLAs.
        (gimplify_body): Create and destroy nonlocal_vlas.

        * dwarf2out.c (loc_descr_plus_const): New function.
        (build_cfa_aligned_loc, tls_mem_loc_descriptor,
        mem_loc_descriptor, loc_descriptor_from_tree_1,
        descr_info_loc, gen_variable_die): Use it.

        * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
        !TREE_STATIC VAR_DECLs.
        * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
        DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
        (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
        DECL_BY_REFERENCE is valid.
        * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
        for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
        * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
        Copy DECL_BY_REFERENCE.
        (struct nesting_copy_body_data): New type.
        (nesting_copy_decl): New function.
        (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
        if they have variable length.

2009-04-26  Michael Matz  <matz@suse.de>

        * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
        mark new temporaries for renaming.

2009-04-26  Joseph Myers  <joseph@codesourcery.com>

        PR c/39581
        * c-decl.c (global_bindings_p): Return negative value.
        (c_variable_size): New.  Based on variable_size from
        stor-layout.c.
        (grokdeclarator): Call c_variable_size not variable_size.

2009-04-26  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (print_operand) ['z']: Fix typo.

2009-04-26  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
        Redefine it to just use mingw/include.
        (ASM_SPEC): Rules for -m32 and -m64.
        (LINK_SPEC): Use Likewise.
        (SPEC_32): New define.
        (SPEC_64): Likewise.
        (SUB_LINK_SPEC): Likewise.
        (MULTILIB_DEFAULTS): New define.
        * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
        Add multilib options.
        (MULTILIB_DIRNAMES): Likewise.
        (MULTILIB_OSDIRNAMES): Likewise.
        (LIBGCC): Likewise.
        (INSTALL_LIBGCC): Likewise.

2009-04-26  Joseph Myers  <joseph@codesourcery.com>

        PR c/39556
        * c-tree.h (enum c_inline_static_type): New.
        (record_inline_static): Declare.
        * c-decl.c (struct c_inline_static, c_inline_statics,
        record_inline_static, check_inline_statics): New.
        (pop_file_scope): Call check_inline_statics.
        (start_decl): Call record_inline_static instead of pedwarning
        directly for static in inline function.
        * c-typeck.c (build_external_ref): Call record_inline_static
        instead of pedwarning directly for static referenced in inline
        function.

2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>

        * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
        not new but only being rescanned.
        * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
        reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
        alloc_reg_set_mem, free_reg_set_mem, record_one_set,
        record_set_info, compute_set, grealloc): Remove.
        (recompute_all_luids): New function.
        (gcse_main): Don't compute sets, and don't do related memory
        allocations/free-ing.  If something changed before the end of the
        pass, update LUIDs using recompute_all_luids.
        (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
        (free_gcse_mem): Don't free it either.
        (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
        Use the df insn LUIDs.
        (load_killed_in_block): Likewise.
        (compute_hash_table_work): Don't compute reg_set_in_block.
        (compute_transp): Use DF_REG_DEF_CHAINs.
        (local_cprop_pass): Don't use compute_sets and related functions.
        (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
        Use get_max_uid() instead of max_cuid.
        (insert_insn_end_basic_block, pre_insert_copy_insn,
        update_ld_motion_stores): Don't try to
        keep reg_set tables up to date.
        (pre_insert_copies): Use df insn LUIDs.
        (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
        (reg_set_info): Don't use extra bitmap argument.
        (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
        information to compute regs_set_in_block.
        (free_store_memory, store_motion): Don't nullify reg_set_in_block.
        (bypass_jumps): Don't use compute_sets and friends.

2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR testsuite/39710
        * opts.c (undocumented_msg): Do not leave blank even with
        ENABLE_CHECKING.

2009-04-25  Joseph Myers  <joseph@codesourcery.com>

        * c-decl.c (build_enumerator): Allow values folding to integer
        constants but not integer constant expressions with a pedwarn if
        pedantic.

2009-04-25  Joseph Myers  <joseph@codesourcery.com>

        PR c/39582
        * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
        with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
        type is an integer constant.

2009-04-25  Uros Bizjak  <ubizjak@gmail.com>

        PR target/39897
        * config/i386/i386.c (print_operand) ['z']: Revert handling of
        HImode operands.

2009-04-25  Joseph Myers  <joseph@codesourcery.com>

        PR c/39564
        * c-decl.c (grokdeclarator): Diagnose declarations of functions
        with variably modified return type and no storage class
        specifiers, except for the case of nested functions.  Distinguish
        extern declarations of functions with variably modified return
        types from those of objects with variably modified types.

2009-04-25  Jan Hubicka  <jh@suse.cz>

        * tree.c (list_equal_p): New function.
        * tree.h (list_equal_p): Declare.
        * coretypes.h (edge_def, edge, const_edge, basic_block_def
        basic_block_def, basic_block, const_basic_block): New.
        * tree-eh.c (make_eh_edge): EH edges are not abnormal.
        (redirect_eh_edge): New function.
        (make_eh_edge_update_phi): EH edges are not abnormal.
        * except.c: Include tree-flow.h.
        (list_match): New function.
        (eh_region_replaceable_by_p): New function.
        (replace_region): New function.
        (hash_type_list): New function.
        (hash_eh_region): New function.
        (eh_regions_equal_p): New function.
        (merge_peers): New function.
        (remove_unreachable_regions): Verify EH tree when checking;
        merge peers.
        (copy_eh_region_1): New function.
        (copy_eh_region): New function.
        (push_reachable_handler): New function.
        (build_post_landing_pads, dw2_build_landing_pads): Be ready for
        regions without label but with live RESX.
        * except.h (redirect_eh_edge_to_label): New.
        * tree-flow.h (redirect_eh_edge): New.
        * coretypes.h (edge_def, edge, const_edge, basic_block_def
        basic_block_def, basic_block, const_basic_block): Remove.
        * Makefile.in (except.o): Add dependency on tree-flow.h
        * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
        * basic-block.h (edge, const_edge, basic_block, const_basic_block):
        Remove.

2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>

        PR bootstrap/39645
        * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
        on the destination of memcpy.

2009-04-25  Paolo Bonzini  <bonzini@gnu.org>

        * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
        REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
        REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.

2009-04-25  Jan Hubicka  <jh@suse.cz>

        * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
        (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
        to be reached by different label than left.
        (update_eh_edges): Update comment; remove edge_to_remove if possible
        and return true if suceeded.
        (cleanup_empty_eh): Accept sharing map; handle shared regions.
        (cleanup_eh): Compute sharing map.
        * except.c (remove_eh_handler_and_replace): Add argument if we should
        update regions.
        (remove_unreachable_regions): Update for label sharing.
        (label_to_region_map): Likewise.
        (get_next_region_sharing_label): New function.
        (remove_eh_handler_and_replace): Add update_catch_try parameter; update
        prev_try pointers.
        (remove_eh_handler): Update.
        (remove_eh_region_and_replace_by_outer_of): New function.
        * except.h (struct eh_region): Add next_region_sharing_label.
        (remove_eh_region_and_replace_by_outer_of,
        get_next_region_sharing_label): Declare.
        * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.

2009-04-25  Jan Hubicka  <jh@suse.cz>

        * tree-cfg.c (split_critical_edges): Split also edges where we can't
        insert code even if they are not critical.

2009-04-25  Jan Hubicka  <jh@suse.cz>

        * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
        (gimple_can_remove_branch_p): EH edges won't remove branch by
        redirection.
        * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
        updating of non-abnormal EH edges.
        * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
        (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
        (split_critical_edges): Split also edges where emitting code on them
        will lead to splitting later.

2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
            H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39590
        * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
        the configured assembler supports fildq and fistpq mnemonics.
        (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
        * configure: Regenerated.
        * config.in: Ditto.

        * config/i386/i386.c (print_operand): Handle 'Z'.
        ['z']: Remove handling of special fild/fist suffixes.
        (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
        * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
        suffix of fild insn.
        (*floatsi<mode>2_vector_mixed): Ditto.
        (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
        (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
        (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
        (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
        * config/i386/gas.h (GAS_MNEMONICS): Remove.

2009-04-25  Ben Elliston  <bje@au.ibm.com>
 
        * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
        the source of a set operation.

2009-04-25  Anatoly Sokolov  <aesok@post.ru>

        * target.h (struct gcc_target): Add case_values_threshold field.
        * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
        (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
        * targhooks.c (default_case_values_threshold): New function.
        * targhooks.h (default_case_values_threshold): Declare function.
        * stmt.c (expand_case): Use case_values_threshold target hook.
        * expr.h (case_values_threshold): Remove declartation.
        * expr.c (case_values_threshold): Remove function.
        * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.

        * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
        * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
        (avr_case_values_threshold): Declare as static.
        * config/avr/avr-protos.h (avr_case_values_threshold): Remove.

        * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
        * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
        (mn10300_case_values_threshold): New function.

2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>

        * ira.c (setup_cover_and_important_classes): Add enum cast.

2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>

        * genpreds.c (write_enum_constraint_num): Output definition of
        CONSTRAINT_NUM_DEFINED_P macro.
        * ira.c (setup_cover_and_important_classes): Use
        CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
        
2009-04-24  DJ Delorie  <dj@redhat.com>

        * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
        __SH2A_SINGLE_ONLY__ also.

2009-04-24  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.md (movfs_internal): Allow flt constants.
        (movdf_internal): Ditto.
        * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
        SFmode and DFmode constants.
        (ia64_print_operand): Add 'G' format for printing
        floating point constants.

2009-04-24  Richard Guenther  <rguenther@suse.de>

        * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
        from unsigned additions.

2009-04-24  Joseph Myers  <joseph@codesourcery.com>

        * c-typeck.c (set_init_index): Allow array designators that are
        not integer constant expressions with a pedwarn if pedantic.

2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>

        * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
        zero if no overlap in nonzero bits between the operands.

2009-04-24  Ian Lance Taylor  <iant@google.com>

        * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
        (record_dead_and_set_regs): Likewise.
        * df.h (struct df_mw_hardreg): Change flags field to int.
        (struct df_base_ref): Likewise.
        (struct df): Change changeable_flags field to int.
        * df-scan.c (df_defs_record): Change clobber_flags to int.
        * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
        constants rather than #define macros.
        (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
        (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
        (enum dwarf_calling_convention): Likewise.
        (enum dwarf_line_number_x_ops): Likewise.
        (enum dwarf_call_frame_info): Likewise.
        (enum dwarf_source_language): Likewise.
        * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
        (add_calling_convention_attribute): Likewise.
        * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
        (combine_comparisons): Change compcode to int.  Add cast to enum type.
        * genrecog.c (maybe_both_true_2): Change c to int.
        (write_switch): Likewise.  Add cast to enum type.
        * gimplify.c (gimplify_omp_for): Handle return values from
        gimplify_expr using MIN rather than bitwise or.
        (gimplify_expr): Add cast to enum type.
        * ipa-prop.c (update_jump_functions_after_inlining): Change
        IPA_BOTTOM to IPA_JF_UNKNOWN.
        * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
        Add casts to enum type.
        (setup_cover_and_important_classes): Change cl to int.  Add casts
        to enum type.
        (setup_class_translate): Change cl and mode to int.
        (ira_init_once): Change mode to int.
        (free_register_move_costs): Likewise.
        (setup_prohibited_mode_move_regs): Add casts to enum type.
        * langhooks.c (add_builtin_function_common): Rework assertion that
        value fits bitfield.
        * mcf.c (add_fixup_edge): Change type parameter to edge_type.
        * omega.c (omega_do_elimination): Avoid math on enum types.
        * optabs.c (expand_vec_shift_expr): Remove casts to int.
        * opts.c (set_debug_level): Change 2 to enum constant.  Use new
        int local to handle integral_argment value.
        * regmove.c (try_auto_increment): Change PUT_MODE to
        PUT_REG_NOTE_KIND.
        * reload.c (push_secondary_reload): Add casts to enum type.
        (secondary_reload_class, find_valid_class): Likewise.
        * reload1.c (emit_input_reload_insns): Likewise.
        * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
        * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
        * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
        constant.
        * tree.c (build_common_builtin_nodes): Add casts to enum type.
        * tree-complex.c (complex_lattice_t): Typedef to int rather than
        enum type.
        (expand_complex_libcall): Add casts to enum type.
        * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
        * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
        with ERROR_MARK, not NUM_TREE_CODES.
        (vect_create_epilog_for_reduction): Likewise.
        (vectorizable_reduction): Don't initialize epiloc_reduc_code.
        When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
        * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
        enum machine_mode.
        * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
        vect_unused_in_loop.  Change 0 to loop_vect.
        * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
        * var-tracking.c (get_init_value): Change return type to enum
        var_init_status.
        * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
        * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
        arm_fp_model.
        (arm_override_options): Add casts to enum type.
        (arm_emit_tls_decoration): Likewise.
        * config/i386/i386.c (ix86_function_specific_restore): Add casts
        to enum type.
        * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
        * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
        * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
        enum type.
        * config/s390/s390.c (code_for_builtin_64): Change to array of
        enum insn_code.
        (code_for_builtin_31): Likewise.
        (s390_expand_builtin): Change code_for_builtin to enum insn_code
        const *.
        * config/sparc/sparc.c (sparc_override_options): Change value
        field in struct code_model to enum cmodel.  In initializer change
        0 to NULL and add cast to enum type.

        * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
        Change all callers.  Issue a -Wc++-compat warning using
        lhs_origtype if necessary.
        (convert_for_assignment): Issue -Wc++-compat warnings about
        invalid conversions to enum type on assignment.
        * c-common.h (build_modify_expr): Update declaration.

2009-04-24  Nick Clifton  <nickc@redhat.com>

        * config/iq2000/iq2000.c (function_arg): Handle TImode values.
        (function_arg_advance): Likewise.
        * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
        5th alternative.

2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/constraints.md ('I', 'J'): Fix condition.

2009-04-24  Diego Novillo  <dnovillo@google.com>

        * gengtype-parse.c (parse_error): Add newline after message.

2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/sse.md (avxmodesuffixs): Removed.
        (*avx_pinsr<avxmodesuffixs>): Renamed to ...
        (*avx_pinsr<ssevecsize>): This.

2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>

        * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
        follow chains of regs with a single definition, and allow expressions
        that are function_invariant_p.
        (simple_rhs_p): Allow expressions that are function_invariant_p.

2009-04-24  Paolo Bonzini  <bonzini@gnu.org>

        PR middle-end/39867
        * fold-const.c (fold_cond_expr_with_comparison): When folding
        > and >= to MAX, make sure the MAX uses the same type as the
        comparison's operands.

2009-04-24  Nick Clifton  <nickc@redhat.com>

        * config/frv/frv.c (frv_frame_access): Do not use reg+reg
        addressing for DImode accesses.
        (frv_print_operand_address): Handle PLUS case.
        * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.

2009-04-24  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/39794
        * alias.c (canon_true_dependence): Add x_addr argument.
        * rtl.h (canon_true_dependence): Adjust prototype.
        * cse.c (check_dependence): Adjust canon_true_dependence callers.
        * cselib.c (cselib_invalidate_mem): Likewise.
        * gcse.c (compute_transp): Likewise.
        * dse.c (scan_reads_nospill): Likewise.
        (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
        addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
        canon_base_addr of the group, plus optional offset.
        (struct group_info): Rename canon_base_mem to
        canon_base_addr.
        (get_group_info): Set canon_base_addr to canon_rtx of base, not
        canon_rtx of base_mem.

2009-04-23  Paolo Bonzini  <bonzini@gnu.org>

        * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
        Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.

2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu-builtins.h: Delete file.

        * config/spu/spu.h (enum spu_builtin_type): Move here from
        spu-builtins.h.
        (struct spu_builtin_description): Likewise.  Add GTY marker.
        Do not use enum spu_function_code or enum insn_code.
        (spu_builtins): Add extern declaration.

        * config/spu/spu.c: Do not include "spu-builtins.h".
        (enum spu_function_code, enum spu_builtin_type_index,
        V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
        V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
        unsigned_V8HI_type_node, unsigned_V4SI_type_node,
        unsigned_V2DI_type_node): Move here from spu-builtins.h.
        (spu_builtin_types): Make static.  Add GTY marker.
        (spu_builtins): Add extern declaration with GTY marker.
        Include "gt-spu.h".

        * config/spu/spu-c.c: Do not include "spu-builtins.h".
        (spu_resolve_overloaded_builtin): Do not use spu_function_code.
        Check programmatically whether all parameters are scalar.

        * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.

2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>

        * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
        assignment from the constructor either if the target is volatile.

2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/arm.md (insv): Do not share operands[0].

2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>

        * config/vxlib-tls.c (active_tls_threads): Delete.
        (delete_hook_installed): New.
        (tls_delete_hook): Don't delete the delete hook.
        (tls_destructor): Delete it here.
        (__gthread_set_specific): Adjust installing the delete hook.
        (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
        __gthread_leave_tsd_dtor_context.

2009-04-23  Rafael Avila de Espindola  <espindola@google.com>

        * c-format.c (gcc_tdiag_char_table): Add support for %E.

2009-04-23  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
        enum type.
        (alpha_rtx_costs): Ditto.
        (emit_unlikely_jump): Use add_reg_note.
        (emit_frame_store_1): Ditto.
        (alpha_expand_prologue): Ditto.
        (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
        * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.

2009-04-23  Nick Clifton  <nickc@redhat.com>

        * config/v850/v850.md (epilogue): Remove suppressed code.
        (return): Rename to return_simple and remove test of frame size.
        * config/v850/v850.c (expand_epilogue): Rename call to gen_return
        to gen_return_simple.

2009-04-22  Jing Yu  <jingyu@google.com>

        PR testsuite/39781
        * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.

2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR C/31499
        * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
        and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
        value is a VECTOR_CST, the element type is the element type of the
        vector.

2009-04-22  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.h: Update GTY annotations to new syntax.

2009-04-22  Jakub Jelinek  <jakub@redhat.com>

        * alias.c (find_base_term): Move around LO_SUM case, so that
        CONST falls through into PLUS/MINUS handling.

        PR c/39855
        * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
        into 0, use omit_one_operand.

2009-04-23  Ben Elliston  <bje@au.ibm.com>

        * config/rs6000/linux-unwind.h (get_regs): Remove type
        puns. Change the type of `pc' to an array of unsigned ints and
        update all users.  Constify frame24.

2009-04-22  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.c (m32c_special_page_vector_p): Move
        declarations before code.
        (current_function_special_page_vector): Likewise.
        (m32c_expand_insv): Silence a warning.

2009-04-21  Taras Glek  <tglek@mozilla.com>

        * alias.c: Update GTY annotations to new syntax.
        * basic-block.h: Likewise.
        * bitmap.h: Likewise.
        * c-common.h: Likewise.
        * c-decl.c: Likewise.
        * c-parser.c: Likewise.
        * c-pragma.c: Likewise.
        * c-tree.h: Likewise.
        * cfgloop.h: Likewise.
        * cgraph.h: Likewise.
        * config/alpha/alpha.c: Likewise.
        * config/arm/arm.h: Likewise.
        * config/avr/avr.h: Likewise.
        * config/bfin/bfin.c: Likewise.
        * config/cris/cris.c: Likewise.
        * config/darwin.c: Likewise.
        * config/frv/frv.c: Likewise.
        * config/i386/i386.c: Likewise.
        * config/i386/i386.h: Likewise.
        * config/i386/winnt.c: Likewise.
        * config/ia64/ia64.h: Likewise.
        * config/iq2000/iq2000.c: Likewise.
        * config/mips/mips.c: Likewise.
        * config/mmix/mmix.h: Likewise.
        * config/pa/pa.c: Likewise.
        * config/pa/pa.h: Likewise.
        * config/rs6000/rs6000.c: Likewise.
        * config/s390/s390.c: Likewise.
        * config/sparc/sparc.c: Likewise.
        * config/xtensa/xtensa.c: Likewise.
        * cselib.h: Likewise.
        * dbxout.c: Likewise.
        * dwarf2out.c: Likewise.
        * except.c: Likewise.
        * except.h: Likewise.
        * fixed-value.h: Likewise.
        * function.c: Likewise.
        * function.h: Likewise.
        * gimple.h: Likewise.
        * integrate.c: Likewise.
        * optabs.c: Likewise.
        * output.h: Likewise.
        * real.h: Likewise.
        * rtl.h: Likewise.
        * stringpool.c: Likewise.
        * tree-data-ref.c: Likewise.
        * tree-flow.h: Likewise.
        * tree-scalar-evolution.c: Likewise.
        * tree-ssa-address.c: Likewise.
        * tree-ssa-alias.h: Likewise.
        * tree-ssa-operands.h: Likewise.
        * tree.c: Likewise.
        * tree.h: Likewise.
        * varasm.c: Likewise.
        * varray.h: Likewise.
        * vec.h: Likewise.
        * coretypes.h: Do not define GTY macro if it is already defined.
        * doc/gty.texi: Update GTY documentation to new syntax.
        * gengtype-lex.l: Enforce attribute-like syntax for GTY
        annotations on structs.
        * gengtype-parse.c: Likewise.

2009-04-22  Mark Heffernan  <meheff@google.com>

        * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.

2009-04-22  Kazu Hirata  <kazu@codesourcery.com>

        * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
        where appropriate.

2009-04-22  Kazu Hirata  <kazu@codesourcery.com>

        * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
        the same as a PLUS without a shift.  Increase the cost of a
        CONST_INT in MULT.

2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * Makefile.in: Update dependencies.
        * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
        * errors.h: Remove bogus comment about compatibility.
        (warning): Update declaration.
        * genautomata.c: Update all calls to warning.
        * gimple.c: Do not include errors.h. Include toplev.h.
        * tree-ssa-structalias.c: Do not include errors.h.
        * omega.c: Likewise.
        * tree-ssa-reassoc.c: Likewise.
        * config/spu/spu-c.c: Likewise.
        * config/spu/t-spu-elf: Update dependencies.

2009-04-22  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39824
        * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
        make sure the types are compatible.

2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR c++/14875
        * c-common.c (c_parse_error): Take a token_flags parameter.
        Use token_type for the token type instead.
        Pass token_flags to cpp_type2name.
        * c-common.h (c_parse_error): Update declaration.
        * c-parser.c (c_parser_error): Pass 0 as token flags.

2009-04-22  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/39580
        * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. 
        
2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * function.c (expand_function_end): Do not emit a jump to the "naked"
        return label for fall-through returns.
        * except.c (sjlj_emit_function_exit): Always place the call to the
        unregister function at the location installed by expand_function_end.

2009-04-22  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39845
        * tree-switch-conversion.c (build_arrays): Add new referenced vars.
        (gen_inbound_check): Likewise.

2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>

        * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
        padding for PPC.
        (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
        * config/vxlib.c (__gthread_once): Add race guard for PPC.

2009-04-22  Paolo Bonzini  <bonzini@gnu.org>

        * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
        sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
        shift counts to avoid out-of-bounds array accesses.

2009-04-22  Paolo Bonzini  <bonzini@gnu.org>

        * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
        (Pmode): Move above.

2009-04-22  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
        NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
        GET_CODE macro.  Use IN_RANGE macro where appropriate.
        * config/alpha/alpha.h: Ditto.
        * config/alpha/alpha.md: Ditto.
        * config/alpha/constraints.md: Ditto.
        * config/alpha/predicates.md: Ditto.
        
2009-04-22  Paolo Bonzini  <bonzini@gnu.org>

        * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
        * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.

2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

        * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
        references from comments.
        * cfgbuild.c: (count_basic_blocks): Delete.
        (find_basic_blocks_1): Delete.
        (find_basic_blocks): Delete.
        * except.c (finish_eh_generation): Make static.  Move comment from
        except.h here.  Remove find_basic_blocks references from comments.
        * except.h (finish_eh_generation): Delete.
        * basic-block.h (find_basic_blocks): Delete.
        * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.

2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>

        * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
        (sdbout_parms):  Likewise.

2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (prepare_cbranch_operands): Use
        LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
        (expand_cbranchdi4): Likewise.
        (from_compare): Add cast to enum type.
        (expand_cbranchsi4): Use add_reg_note.
        (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
        (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
        (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
        (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
        * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
        instead of CODE_FOR_nothing.
        (cbranchdi4): Likewise.  Fix the order of arguments for
        gen_rtx_fmt_ee.
        (push_fpscr): Use add_reg_note.
        (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
        reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
        
2009-04-21  Joseph Myers  <joseph@codesourcery.com>

        * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
        ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
        ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
        ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
        ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
        FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
        config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
        config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
        config/alpha/x-vms, config/arc/t-arc,
        config/arm/README-interworking, config/arm/arm-c.c,
        config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
        config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
        config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
        config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
        config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
        config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
        config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
        config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
        config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
        config/cris/t-elfmulti, config/crx/t-crx,
        config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
        config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
        config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
        config/h8300/t-h8300, config/i386/athlon.md,
        config/i386/darwin-libgcc.10.4.ver,
        config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
        config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
        config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
        config/i386/t-linux64, config/i386/t-nwld,
        config/i386/t-rtems-i386, config/i386/t-sol2-10,
        config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
        config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
        config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
        config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
        config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
        config/iq2000/t-iq2000, config/libgcc-glibc.ver,
        config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
        config/m32r/t-m32r, config/m68hc11/t-m68hc11,
        config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
        config/m68k/t-uclinux, config/mcore/t-mcore,
        config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
        config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
        config/mips/crtn.asm, config/mips/irix-crti.asm,
        config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
        config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
        config/mips/mips-fixed.md, config/mips/sb1.md,
        config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
        config/mips/t-iris6, config/mips/t-isa3264,
        config/mips/t-libgcc-mips16, config/mips/t-linux64,
        config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
        config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
        config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
        config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
        config/mn10300/t-linux, config/mn10300/t-mn10300,
        config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
        config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
        config/picochip/libgccExtras/clzsi2.asm,
        config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
        config/rs6000/darwin-libgcc.10.4.ver,
        config/rs6000/darwin-libgcc.10.5.ver,
        config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
        config/rs6000/t-aix43, config/rs6000/t-aix52,
        config/rs6000/t-darwin, config/rs6000/t-fprules,
        config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
        config/rs6000/t-lynx, config/rs6000/t-netbsd,
        config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
        config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
        config/rs6000/t-rtems, config/rs6000/t-spe,
        config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
        config/score/t-score-elf, config/sh/divcost-analysis,
        config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
        config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
        config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
        config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
        config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
        config/stormy16/stormy-abi, config/stormy16/t-stormy16,
        config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
        config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
        config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
        config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
        config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
        gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
        java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
        limitx.h, version.c, xcoff.h: Add copyright and license notices.
        * config/h8300/genmova.sh: Include copyright and license notices
        in generated output.
        * config/h8300/mova.md: Regenerate.
        * doc/install.texi2html: Include word "Copyright" in copyright
        notice and use name "Free Software Foundation, Inc.".
        * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
        ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
        ChangeLog-2007, ChangeLog-2008: Correct dates.

2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>

        * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
        NE_EXPR operations as well.
        * c-parser.c (c_parser_condition): Do not set location information on
        the condition.
        (c_parser_conditional_expression): Likewise.
        (c_parser_binary_expression): Set location information on operators.
        * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
        TRUTH_NOT_EXPR has been folded.
        * fold-const.c (fold_truth_not_expr): Copy location information from
        the incoming expression to the outgoing one.
        * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
        recursive calls on the LHS of the operator but pass that of the
        operator to recursive calls on the RHS of the operator.  Set it
        on the COND_EXPR.
        (shortcut_cond_expr): Set the locus of the operator on the second
        COND_EXPR and that of the expression on the first in degenerate cases.
        Pass the locus of the expression to calls to shortcut_cond_r.
        Set the locus of the 'then' block on the associated jump, if any.
        (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
        (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
        expression to call to gimplify_boolean_expr.

2009-04-21  Kai Tietz  <kai.tietz@onevision.com>

        * config.gcc: Add additional configuration for
        i686-w64-mingw* and x86_64-w64-mingw* triplet.
        * config/i386/mingw-w64.h: New mingw-w64 specific header.
        (CPP_SPEC): Redefine for allowing -municode option.
        (STARTFILE_SPEC): Likewise.
        * config/i386/t-mingw-w64: New.
        * config/i386/mingw-w64.opt: New.
        (municode): Add new target option.
        * doc/invoke.texi (municode): Add documentation for new option.

2009-04-21  Ian Lance Taylor  <iant@google.com>

        * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
        Correct test for number of arguments.
        * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.

2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>

        * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
        argument of emit_library_call.

2009-04-21  Richard Guenther  <rguenther@suse.de>

        PR middle-end/39829
        * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
        inside VIEW_CONVERT_EXPRs.

2009-04-21  Martin Jambor  <mjambor@suse.cz>

        * tree-switch-conversion.c (build_constructors): Split a long line.
        (constructor_contains_same_values_p): New function.
        (build_one_array): Create assigns of constants if possible, do not
        call mark_sym_for_renaming, call update_stmt.
        (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
        make_rename_temp.  Do not call mark_symbols_for_renaming, call
        update_stmt.
        (gen_def_assigns): Do not call mark_symbols_for_renaming or
        find_new_referenced_vars, call update_stmt.
        (gen_inbound_check): Use create_tmp_var and create ssa names manually
        instead of calling make_rename_temp.  Do not call
        find_new_referenced_vars or mark_symbols_for_renaming, call
        update_stmt.

2009-04-21  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39827
        * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
        (tree_ssa_phiprop): Pass the correct array size.

2009-04-21  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.md (tune): Add cast to enum attr_tune.

2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR 16202
        * c-typeck.c (lvalue_p): Move declaration ...
        * c-common.h (lvalue_p): ... to here.
        * c-common.c (candidate_equal_p): New.
        (add_tlist): Use it.
        (merge_tlist): Use it.
        (warn_for_collisions_1): Likewise.
        (warning_candidate_p): Accept more candidates.
        (verify_tree): A warning candidate can be an expression. Use
        candidate_equal_p.

2009-04-21  Ben Elliston  <bje@au.ibm.com>

        PR target/5267
        * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
        for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
        options.  Remove -mcall-solaris documentation.

2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR c++/13358
        * doc/invoke.texi (-Wlong-long): Update description.
        * c-lex (interpret_integer): Only warn if there was no previous
        overflow and -Wlong-long is enabled.
        * c-decl.c (declspecs_add_type): Drop redundant flags.
        * c.opt (Wlong-long): Init to -1.
        * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
        and front-end warn_long_long. Wlong-long only depends on other
        flags if it is uninitialized.
        * c-parser.c (disable_extension_diagnostics): warn_long_long is
        the same for CPP and FE.
        (restore_extension_diagnostics): Likewise.

2009-04-20  Ian Lance Taylor  <iant@google.com>

        Fix enum conversions which are invalid in C++:
        * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
        * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
        * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
        * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
        * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
        (dbxout_parms): Likewise.
        * df-core.c (df_set_flags): Change changeable_flags parameter to int.
        (df_clear_flags): Likewise.
        * df-problems.c (df_rd_bb_local_compute_process_def): Change
        top_flag parameter to int.
        (df_chain_create_bb_process_use): Likewise.
        (df_chain_add_problem): Change chain_flags parameter to unsigned int.
        Remove cast.
        * df-scan.c (df_ref_create): Change ref_flags parameter to int.
        (df_ref_create_structure, df_def_record_1): Likewise.
        (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
        (df_notes_rescan): Change 0 to VOIDmode in function call.
        (df_get_call_refs, df_insn_refs_collect): Likewise.
        (df_bb_regs_collect): Likewise.
        (df_entry_block_defs_collect): Likewise.
        (df_exit_block_uses_collect): Likewise.
        * df.h: Update declarations.
        * double-int.c (double_int_divmod): Add cast to enum type.
        * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
        * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
        (based_loc_descr): Likewise.
        (loc_descriptor_from_tree_1): Change first_op and second_op to
        enum dwarf_location_atom.  Add cast to enum type.
        * expmed.c (init_expmed): Change 0 to SET in function call.
        * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
        (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
        (do_store_flag): Likewise.
        * fixed-value.h (struct fixed_value): Change mode to enum
        machine_mode.
        * function.c (assign_parms): Change 0 to VOIDmode in function call.
        * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
        function call.
        (insert_insn_decl, insert_decl, insert_state): Likewise.
        (automata_list_finish): Likewise.
        * genrecog.c (process_define_predicate): Add cast to enum type.
        * gensupport.c (init_predicate_table): Add cast to enum type.
        * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
        function call.
        (gimple_build_call_1, gimple_build_label): Likewise.
        (gimple_build_goto, gimple_build_asm_1): Likewise.
        (gimple_build_switch_1, gimple_build_cdt): Likewise.
        * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
        (enum fallback): Rename from enum fallback_t.
        (fallback_t): Typedef as int.
        * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
        GSI_SAME_STMT in function call.
        * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
        enum type.
        (setup_reg_class_relations): Likewise.
        (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
        (setup_prohibited_class_mode_regs): Add cast to enum type.
        (setup_prohibited_mode_move_regs): Likewise.
        * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
        (record_address_regs): Change i to enum reg_class.
        * lists.c (alloc_EXPR_LIST): Add cast to enum type.
        * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
        (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
        (GET_MODE_2XWIDER_MODE): Likewise.
        (GET_CLASS_NARROWEST_MODE): Likewise.
        * omp-low.c (expand_omp_for): Add cast to enum type.
        * optabs.c (debug_optab_libfuncs): Add casts to enum type.
        * opts.c (enable_warning_as_error): Change kind to diagostic_t.
        * postreload.c (reload_cse_simplify_operands): Change rclass local
        to enum reg_class.
        * predict.c (combine_predictions_for_insn): Change best_predictor
        and predictor to enum br_predictor.
        (combine_predictions_for_bb): Likewise.
        (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
        use SET_PREDICT_EXPR_OUTCOME.
        * real.c (real_arithmetic): Change icode to code in function call.
        * reginfo.c (init_move_cost): Add casts to enum type.
        (init_reg_sets_1, init_fake_stack_mems): Likewise.
        * regmove.c (regclass_compatible_p): Change class0 and class1 to
        enum reg_class.
        * reload.c (find_valid_class): Add casts to enum type.
        (push_reload): Change 0 to NO_REGS in function call.
        (find_reloads): Change this_alternative to array of enum
        reg_class.  Remove some now-unnecessary casts.
        (make_memloc): Change 0 to VOIDmode in function call.
        * reload1.c (reload): Change 0 to VOIDmode in function call.
        (eliminate_regs_1, elimination_effects): Likewise.
        (eliminate_regs_in_insn): Likewise.
        (emit_input_reload_insns): Add cast to enum type.
        (delete_output_reload): Change 0 to VOIDmode in function call.
        * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
        to enum type in function call.
        * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
        (SET_PREDICT_EXPR_OUTCOME): Define.
        * tree-dump.c (get_dump_file_info): Change phase parameter to int.
        (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
        (dump_initialized_p, dump_flag_name, dump_end): Likewise.
        (dump_function): Likewise.
        * tree-dump.h: Update declarations.
        * tree-pass.h: Update declarations.
        * varasm.c (assemble_integer): Change mclass to enum mode_class.
        * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
        enum type.
        (arm_rtx_costs_1): Correct parenthesization.
        (arm_rtx_costs): Add casts to enum type.
        (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
        (vfp_emit_fstmd): Use add_rg_note.
        (emit_multi_reg_push, emit_sfm): Likewise.
        (thumb_set_frame_pointer): Likewise.
        (arm_expand_prologue): Likewise.
        (arm_regno_class): Change return type to enum reg_class.
        (thumb1_expand_prologue): Use add_reg_note.
        * config/arm/arm-protos.h (arm_regno_class): Update declaration.
        * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
        in function call.
        * config/arm/gentune.sh: Add cast to enum type.
        * config/arm/arm-tune.md: Rebuild.
        * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
        (ix86_split_fp_branch, predict_jump): Likewise.
        (ix86_expand_multi_arg_builtin): Change sub_code from enum
        insn_code to enum rtx_code.
        (ix86_builtin_vectorized_function): Add cast to enum type.
        * config/i386/i386.md (truncdfsf2): Change slot to enum
        ix86_stack_slot.
        (truncxf<mode>2, isinf<mode>2): Likewise.
        * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
        enum type.
        * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
        (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
        (insert_bundle_state): Change 1 to INSERT in function call.
        (ia64_add_bundle_selector_before): Likewise.
        * config/ia64/ia64.md (cpu attr): Add cast to enum type.
        (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
        (restore_stack_nonlocal): Likewise.
        * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
        function call.
        * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
        function call.
        (mips_rtx_costs): Likewise.
        (mips_override_options): Add casts to enum type.
        * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
        in function call.
        * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
        (store_reg, set_reg_plus_d): Likewise.
        (hppa_expand_prologue, hppa_profile_hook): Likewise.
        * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
        cast to enum type.
        (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
        function call.
        (emit_unlikely_jump): Use add_reg_note.
        (rs6000_emit_allocate_stack): Likewise.
        (rs6000_frame_related, rs6000_emit_prologue): Likewise.
        (output_toc): Change 1 to INSERT in function call.
        (output_profile_hook): Change 0 to LCT_NORMAL in function call.
        (rs6000_initialize_trampoline): Likewise.
        (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
        function call.
        * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
        (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
        (s390_expand_setmem, s390_expand_cmpmem): Likewise.
        (save_gprs): Use add_reg_note.
        (s390_emit_prologue): Likewise.
        (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
        * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
        (sparc_fold_builtin): Add cast to enum type.
        * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
        enum insn_code.
        (spu_expand_prologue): Use add_reg_note.
        (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.

2009-04-20  Ian Lance Taylor  <iant@google.com>

        * c-parser.c (c_parser_attributes): Change VEC back to tree list.
        (c_parser_postfix_expression_after_primary): Get VEC for list of
        arguments.  Get original types of arguments.  Call
        build_function_call_vec.
        (cached_expr_list_1, cached_expr_list_2): New static variables.
        (c_parser_expr_list): Change return type to VEC *.  Add
        p_orig_types parameter.  Change all callers.
        (c_parser_release_expr): New static function.
        (c_parser_vec_to_tree_list): New static function.
        * c-typeck.c (build_function_call): Rewrite to build a VEC and
        call build_function_call_vec.
        (build_function_call_vec): New function, based on old
        build_function_call.
        (convert_arguments): Remove nargs and argarray parameters.  Change
        values to a VEC.  Add origtypes parameter.
        (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
        (convert_for_assignment): Add origtype parameter.  Change all
        callers.  If warn_cxx_compat, check for conversion to an enum
        type when calling a function.
        (store_init_value): Add origtype parameter.  Change all callers.
        (digest_init): Likewise.
        (struct init_node): Add origtype field.
        (add_pending_init): Add origtype parameter.  Change all callers.
        (output_init_element): Likewise.
        (output_pending_init_elements): Pass origtype from init_node to
        output_init_element.
        (process_init_element): Pass origtype from c_expr to
        output_init_element.
        (c_finish_return): Add origtype parameter.  Change all callers.
        * c-common.c (sync_resolve_size): Change params to VEC *.  Change
        caller.
        (sync_resolve_params): Likewise.
        (sync_resolve_return): Change params to first_param.  Change caller.
        (resolve_overloaded_builtins): Change params to VEC *.  Change
        callers.  Save first parameter around call to build_function_call_vec.
        * c-decl.c (finish_decl): Add origtype parameter.  Change all
        callers.  Call build_function_call_vec rather than
        build_function_call for cleanup.
        * c-tree.h: Update declarations.
        * c-common.h: Update declarations.
        * stub-objc.c (objc_rewrite_function_call): Change parameter from
        params to first_param.
        * target.h (struct gcc_target): Change resolve_overloaded_builtin
        params parameter from tree to void *.
        * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
        Change arglist parameter to have type void *, and to be a pointer
        to a VEC.
        * config/rs6000/rs6000-protos.h
        (altivec_resolve_overloaded_builtin): Update declaration.
        * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
        fnargs parameter to have type void *, and to be a pointer to a
        VEC.  Call build_function_call_vec instead of
        build_function_call.
        * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.

2009-04-20  Joey Ye  <joey.ye@intel.com>
            Xuepeng Guo  <xuepeng.guo@intel.com>
            H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.

        * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
        (IX86_LEA_PRIORITY): Likewise.
        (distance_non_agu_define): New function.
        (distance_agu_use): Likewise.
        (ix86_lea_for_add_ok): Likewise.
        (ix86_dep_by_shift_count): Likewise.

        * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
        should split for LEA.

        * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
        function.
        (ix86_dep_by_shift_count): Likewise.

2009-04-20  Richard Guenther  <rguenther@suse.de>

        * expr.c (handled_component_p): Move ...
        * tree.h (handled_component_p): ... here.
        * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
        ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
        and REALPART_EXPR to be in one group.

2009-04-20  Richard Guenther  <rguenther@suse.de>

        * basic-block.h (get_all_dominated_blocks): Declare.
        * dominance.c (get_all_dominated_blocks): New function.
        * tree-cfg.c (get_all_dominated_blocks): Remove.
        (remove_edge_and_dominated_blocks): Adjust.
        * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
        (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
        instead of recursing.

2009-04-20  Doug Kwan  <dougkwan@google.com>

        * cgraph.h (cgraph_node_ptr): New type for vector functions.
        (struct cgraph_node_set_def): New type.
        (cgraph_node_set) New type. Also declare vector functions.
        (struct cgraph_node_set_element_def): New type.
        (cgraph_node_set_element): Ditto.
        (cgraph_node_set_iterator): New iterator type.
        (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
        cgraph_node_set_remove, dump_cgraph_node_set,
        debug_cgraph_node_set): New prototypes.
        (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
        cgraph_node_set_size): New inlines.
        * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
        including cgraph.h.
        (struct ipa_opt_pass): Add struct cgraph_node_set_def
        argument to function 'write_summary'.
        * ipa.c: Include ggc.h.
        (hash_cgraph_node_set_element,
        eq_cgraph_node_set_element, cgraph_node_set_new,
        cgraph_node_set_add, cgraph_node_set_remove,
        cgraph_node_set_find, dump_cgraph_node_set,
        debug_cgraph_node_set): New functions.
        * Makefile.in (ipa.o): Add dependency on GGC_H.

2009-04-20  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/39675
        * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
        check of the return code of vect_schedule_slp. Check that
        stmt_vec_info still exists for the statement, before checking its
        vectorization type.

2009-04-20  Michael Matz  <matz@suse.de>

        * Makefile.in (generated_files): Take out $(simple_generated_c).

2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>

        * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
        (UINTPTR_TYPE):  Likewise.

2009-04-19  Joseph Myers  <joseph@codesourcery.com>

        PR c/37481
        * c-typeck.c (digest_init): Check for initializing an array with a
        string literal.

2009-04-19  Joseph Myers  <joseph@codesourcery.com>

        PR c/19771
        * c-semantics.c (pop_stmt_list): Propagate
        STATEMENT_LIST_HAS_LABEL to parent statement list.

2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.h (mips_tune_attr): New macro.
        * config/mips/mips.md (cpu): Use it.

2009-04-19  Joseph Myers  <joseph@codesourcery.com>

        PR c/38243
        * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
        declaring a tag.

2009-04-19  Diego Novillo  <dnovillo@google.com>

        * toplev.c (compile_file): Move call to coverage_finish ...
        * cgraphunit.c (ipa_passes): ... here.
        Call cgraph_process_new_functions.
        * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
        * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.

2009-04-19  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
        cfun.
        (dump_cgraph_node): Dump can throw external flag.
        * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.

2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/32061
        PR c++/36954
        * doc/invoke.texi: Add -Wlogical-op to -Wextra.
        * common.opt (Wlogical-op): Move from here...
        * c.opt (Wlogical-op): ... to here.
        * c-typeck.c (parser_build_binary_op): Update call to
        warn_logical_operator.
        * c-opts.c (c_common_post_options): Enable warn_logical_op with
        extra_warnings.
        * c-common.c (warn_logical_op): Update.
        * c-common.h (warn_logical_op): Update declaration.

2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.c (protected_set_expr_location): Fix formatting.

2009-04-18  Joseph Myers  <joseph@codesourcery.com>

        PR c/27676
        * c-typeck.c (readonly_warning): new.
        (build_unary_op, build_modify_expr): Use readonly_warning for
        storing into something readonly but not const-qualified.

2009-04-18  Joseph Myers  <joseph@codesourcery.com>

        PR c/22367
        * c-typeck.c (build_unary_op): Check for taking address of
        expression of type void.

2009-04-18  Joseph Myers  <joseph@codesourcery.com>

        PR c/35210
        * c-typeck.c (build_function_call): Check for calling a function
        with qualified void return types.  Call require_complete_type when
        generating a trap.

2009-04-18  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
        Set nothrow flag.
        * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
        can_throw_external flag.
        * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
        * ipa-pure-const.c (ignore_edge): New function.
        (propagate): Compute order for NOTHROW computation; set NOTHROWs
        only over can_throw_external edges.
        (local_pure_const): Add nothrow flag.
        * ipa-utils.c (searchc): Add ignore_edge callback.
        (ipa_utils_reduced_inorder): Add ignore_edge callback.
        * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
        (set_nothrow_function_flags): Update cgraph.
        * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.

2009-04-18  Richard Guenther  <rguenther@suse.de>

        PR middle-end/39804
        * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
        (fold_stmt): ... this and ...
        (fold_stmt_inplace): ... this.
        (fold_stmt_1): Fold references in calls and asms.
        * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.

2009-04-18  Kazu Hirata  <kazu@codesourcery.com>

        * tree-vrp.c (ssa_name_nonzero_p): Remove.
        * tree.h: Remove the prototype for ssa_name_nonzero_p.

2009-04-18  Kazu Hirata  <kazu@codesourcery.com>

        * tree.c (function_args_count): Remove.
        * tree.h: Remove the prototype for function_args_count.

2009-04-18  Kazu Hirata  <kazu@codesourcery.com>

        * tree-iterator.c (expr_only): Remove.
        * tree.h: Remove the prototype for expr_only.

2009-04-18  Kazu Hirata  <kazu@codesourcery.com>

        * reginfo.c (cannot_change_mode_set_regs): Remove.
        * rtl.h: Remove the prototype for cannot_change_mode_set_regs.

2009-04-08  Anatoly Sokolov  <aesok@post.ru>

        * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
        whether operands 0 and 1 overlaps.

2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR middle-end/36902
        * tree-vrp.c (check_array_ref): Pass a location_t instead of a
        pointer. Use warning_at instead of warning.
        (search_for_addr_array): Likewise.
        (check_array_bounds): Likewise.
        (check_all_array_refs): Check that the incoming edge is not in the
        list of edges to be removed.
        (check_all_array_refs): Avoid the temporal pointer.
        (vrp_visit_cond_stmt): Fix typo.
        (simplify_switch_using_ranges): Handle the case where the switch
        index is an integer constant.

2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.c (mips_final_postscan_insn): Make it static.

2009-04-18  Kazu Hirata  <kazu@codesourcery.com>

        * doc/extend.texi, doc/invoke.texi: Fix typos.

2009-04-17  Cary Coutant  <ccoutant@google.com>

        * tree-flow-inline.h (get_lineno): Fix inverted test.

2009-04-17  Diego Novillo  <dnovillo@google.com>

        * tree-ssa-pre.c (create_expression_by_pieces): Remove
        assertion for AVAIL_OUT.

2009-04-17  Mike Frysinger  <vapier@gentoo.org>

        PR target/38627
        * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
        * config/sh/linux-atomic.asm: Likewise.

2009-04-17  Diego Novillo  <dnovillo@google.com>

        * except.c (debug_eh_tree): New.
        (struct eh_region, struct eh_status): Move ...
        * except.h: ... here.
        (add_type_for_runtime): Declare extern.
        (lookup_type_for_runtime): Likewise.
        (debug_eh_tree): Declare.
        * Makefile.in (GTFILES): List except.h before except.c

2009-04-17  Diego Novillo  <dnovillo@google.com>

        * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
        * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
        * tree-dfa.c (find_referenced_vars_in): Factor out of ...
        (find_vars_r): ... here.
        * tree-flow.h (find_referenced_vars_in): Declare.
        * tree-ssa-pre.c (create_expression_by_pieces): Assert
        that AVAIL_OUT exists for BLOCK.
        * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
        (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
        (tree-parloops.o): Likewise.

2009-04-17  Simon Baldwin  <simonb@google.com>

        * toplev.c (default_tree_printer): Add handling for %E format.

2009-04-17  Diego Novillo  <dnovillo@google.com>

        * tree-pretty-print.c (dump_generic_node): Add break after
        TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
        FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
        FUNCTION_TYPE together.  Call print_struct_decl when printing
        structures and TDF_SLIM is not given.
        (print_struct_decl): Fix logic for detecting recursion.

2009-04-17  Rafael Avila de Espindola  <espindola@google.com>

        PR 31567
        * gcc.c (create_at_file): New.
        (compile_input_file_p): New.
        (do_spec_1): Use @args files for %i. Use create_at_file for %o.
        * main.c (main): Update call to toplev_main.
        * toplev.c (toplev_main): Change signature. Call expandargv.
        * toplev.h (toplev_main): Change signature.

2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>

        * dwarf2out.c (field_byte_offset): Use the type size as the field size
        if the latter is not constant.

2009-04-17  David Edelsohn  <edelsohn@gnu.org>

        * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.

2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>

        * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
        * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.

2009-04-17  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (get_constraint_for_component_ref):
        Handle component references view-converting an invariant address.

2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>

        * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
        TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
        TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
        TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
        Use @deftypevr rather than @deftypevar.

2009-04-17  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
        (get_prop_source_stmt): Likewise.
        (can_propagate_from): Likewise.

2009-04-17  Andrew Stubbs  <ams@codesourcery.com>

        * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
        TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
        (--with-multilib-list): Add default value.
        * configure: Regenerate.
        * Makefile.in (TM_ENDIAN_CONFIG): Define.
        (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
        * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
        TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
        Don't add default cpu to multilib list unnecessarily, but do enable
        the relevant compiler option..
        Add support for --with-multilib-list=<blank> and
        --with-multilib-list=!<somelib> to supress unwanted multilibs.
        * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
        (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
        (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
        TM_MULTILIB_CONFIG.
        (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
        (MULTILIB_OSDIRNAMES): New variable.
        * config/sh/t-1e: Delete file.
        * config/sh/t-mlib-sh1: Delete file.
        * config/sh/t-mlib-sh2: Delete file.
        * config/sh/t-mlib-sh2a: Delete file.
        * config/sh/t-mlib-sh2a-nofpu: Delete file.
        * config/sh/t-mlib-sh2a-single: Delete file.
        * config/sh/t-mlib-sh2a-single-only: Delete file.
        * config/sh/t-mlib-sh2e: Delete file.
        * config/sh/t-mlib-sh3e: Delete file.
        * config/sh/t-mlib-sh4: Delete file.
        * config/sh/t-mlib-sh4-nofpu: Delete file.
        * config/sh/t-mlib-sh4-single: Delete file.
        * config/sh/t-mlib-sh4-single-only: Delete file.
        * config/sh/t-mlib-sh4a: Delete file.
        * config/sh/t-mlib-sh4a-nofpu: Delete file.
        * config/sh/t-mlib-sh4a-single: Delete file.
        * config/sh/t-mlib-sh4a-single-only: Delete file.
        * config/sh/t-mlib-sh4al: Delete file.
        * config/sh/t-mlib-sh5-32media: Delete file.
        * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
        * config/sh/t-mlib-sh5-64media: Delete file.
        * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
        * config/sh/t-mlib-sh5-compact: Delete file.
        * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
        * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
        * doc/install.texi (Options specification): Add
        --with-multilib-list and --with-endian.

2009-04-17  Rafael Avila de Espindola  <espindola@google.com>

        * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
        REVISION_c.
        (OBJS-common): Add plugin-version.o.
        (plugin-version.o): New.
        * gcc-plugin.h (plugin_gcc_version): New.
        (plugin_default_version_check): New.
        (plugin_init_func, plugin_init): Add version argument.
        * plugin-version.c: New.
        * plugin.c (str_plugin_gcc_version_name): New.
        (try_init_one_plugin): Read plugin_gcc_version from the plugin and
        pass it to the init function.
        (plugin_default_version_check): New.

2009-04-17  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
        for decl-vs-decl disambiguation.

2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.h (s390_tune_attr): New macro definition.
        * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.

2009-04-17  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
        (fold_stmt_r): Likewise.
        (maybe_fold_reference): New function.
        (fold_gimple_assign): Handle cases fold_stmt_r did.
        (fold_stmt): Do not use fold_stmt_r.
        (fold_stmt_inplace): Likewise.

2009-04-17  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
        (record_equivalences_from_stmt): Remove useless checks and
        simplifications.
        * tree-ssa-pre.c (eliminate): Avoid converting a constant if
        the type is already suitable.

2009-04-17  Paolo Bonzini  <bonzini@gnu.org>

        * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.

2009-04-17  Uros Bizjak  <ubizjak@gmail.com>

        * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
        (CMPtype): Define as __gcc_CMPtype.

2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>

        * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
        for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.

2009-04-17  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39746
        * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
        special-casing for builtins and static variable use/def.
        (call_may_clobber_ref_p_1): Likewise.

2009-04-16  Ian Lance Taylor  <iant@google.com>

        * df.h: Include "timevar.h".
        (struct df_problem): Change tv_id field to timevar_id_t.
        * tree-pass.h: Include "timevar.h".
        (struct opt_pass): Change tv_id field to timevar_id_t.
        * timevar.h (timevar_id_t): Define TV_NONE.
        * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
        TV_NONE rather than tv_id != 0.
        (execute_one_pass): Likewise.
        * Makefile.in (DF_H): Add $(TIMEVAR_H).
        (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
        dependencies to $(TREE_PASS_H).
        * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
        to TV_NONE.
        (pass_branch_target_load_optimize2): Likewise.
        * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
        (pass_outof_cfg_layout_mode): Likewise.
        * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
        (pass_rebuild_cgraph_edges): Likewise.
        (pass_remove_cgraph_callee_edges): Likewise.
        * df-core.c (pass_df_initialize_opt): Likewise.
        (pass_df_initialize_no_opt): Likewise.
        (pass_df_finish): Likewise.
        * emit-rtl.c (pass_unshare_all_rtl): Likewise.
        * except.c (pass_set_nothrow_function_flags): Likewise.
        (pass_convert_to_eh_region_ranges): Likewise.
        * final.c (pass_compute_alignments): Likewise.
        * function.c (pass_instantiate_virtual_regs): Likewise.
        (pass_init_function): Likewise.
        (pass_leaf_regs): Likewise.
        (pass_match_asm_constraints): Likewise.
        * gimple-low.c (pass_lower_cf): Likewise.
        (pass_mark_used_blocks): Likewise.
        * init-regs.c (pass_initialize_regs): Likewise.
        * integrate.c (pass_initial_value_sets): Likewise.
        * ira.c (pass_ira): Likewise.
        * jump.c (pass_cleanup_barriers): Likewise.
        * omp-low.c (pass_expand_omp): Likewise.
        (pass_lower_omp): Likewise.
        * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
        * recog.c (pass_split_all_insns): Likewise.
        (pass_split_after_reload): Likewise.
        (pass_split_before_regstack): Likewise.
        (pass_split_before_sched2): Likewise.
        (pass_split_for_shorten_branches): Likewise.
        * reginfo.c (pass_reginfo_init): Likewise.
        (pass_subregs_of_mode_init): Likewise.
        (pass_subregs_of_mode_finish): Likewise.
        * passes.c (pass_postreload): Likewise.
        * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
        * tree-cfg.c (pass_remove_useless_stmts): Likewise.
        (pass_warn_function_return): Likewise.
        (pass_warn_function_noreturn): Likewise.
        * tree-complex.c (pass_lower_complex): Likewise.
        (pass_lower_complex_O0): Likewise.
        * tree-if-conv.c (pass_if_conversion): Likewise.
        * tree-into-ssa.c (pass_build_ssa): Likewise.
        * tree-mudflap.c (pass_mudflap_1): Likewise.
        (pass_mudflap_2): Likewise.
        * tree-nomudflap.c (pass_mudflap_1): Likewise.
        (pass_mudflap_2): Likewise.
        * tree-nrv.c (pass_return_slot): Likewise.
        * tree-object-size.c (pass_object_sizes): Likewise.
        * tree-optimize.c (pass_all_optimizations): Likewise.
        (pass_early_local_passes): Likewise.
        (pass_all_early_optimizations): Likewise.
        (pass_cleanup_cfg): Likewise.
        (pass_cleanup_cfg_post_optimizing): Likewise.
        (pass_free_datastructures): Likewise.
        (pass_free_cfg_annotations): Likewise.
        (pass_fixup_cfg): Likewise.
        (pass_init_datastructures): Likewise.
        * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
        (pass_late_warn_uninitialized): Likewise.
        (pass_update_address_taken): Likewise.
        * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
        * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
        (pass_cse_sincos): Likewise.
        (pass_convert_to_rsqrt): Likewise.
        * tree-ssa-structalias.c (pass_build_alias): Likewise.
        * tree-stdarg.c (pass_stdarg): Likewise.
        * tree-tailcall.c (pass_tail_recursion): Likewise.
        (pass_tail_calls): Likewise.
        * tree-vect-generic.c (pass_lower_vector): Likewise.
        (pass_lower_vector_ssa): Likewise.
        * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.

2009-04-16  Joseph Myers  <joseph@codesourcery.com>

        * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
        XLR entry.
        * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
        Handle -march=xlr.
        * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
        logical and signext.

2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/39767
        * config/sh/predicates.md (arith_operand): Check if the operand
        of TRUNCATE is a REG.

2009-04-16  Kazu Hirata  <kazu@codesourcery.com>

        * cfgrtl.c (delete_insn_chain_and_edges): Remove.
        * rtl.h: Remove the prototype for delete_insn_chain_and_edges.

2009-04-16  Kazu Hirata  <kazu@codesourcery.com>

        * tree-iterator.c (tsi_split_statement_list_after,
        tsi_split_statement_list_before): Remove.
        * tree-iterator.h: Remove the prototypes for
        tsi_split_statement_list_after and tsi_split_statement_list_before.

2009-04-16  Kazu Hirata  <kazu@codesourcery.com>

        * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
        * tree-ssa-propagate.h: Remove the prototype for
        stmt_makes_single_load.

2009-04-16  Kazu Hirata  <kazu@codesourcery.com>

        * emit-rtl.c (set_mem_attrs_from_reg): Remove.
        * rtl.h: Remove the prototype for set_mem_attrs_from_reg.

2009-04-16  Kazu Hirata  <kazu@codesourcery.com>

        * tree-iterator.c (EXPR_LAST_BODY): Remove.

2009-04-16  Kazu Hirata  <kazu@codesourcery.com>

        * except.c (eh_region_outer_p): Remove.
        * except.h: Remove the prototype for eh_region_outer_p.

2009-04-16  Kazu Hirata  <kazu@codesourcery.com>

        * function.c (current_function_assembler_name): Remove.
        * function.h: Remove the prototype for
        current_function_assembler_name.

2009-04-16  Ian Lance Taylor  <iant@google.com>

        * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
        (add_reg_note): Call alloc_reg_note.
        * rtl.h (alloc_reg_note): Declare.
        * combine.c (try_combine): Use alloc_reg_note.
        (recog_for_combine, move_deaths): Likewise.
        (distribute_notes): Use alloc_reg_note and add_reg_note.
        * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
        * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
        * reload1.c (eliminate_regs_1): Use alloc_reg_note.

2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/39762
        * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
        ira_may_move_out_cost): Add comments about way of their usage.
        (ira_get_register_move_cost, ira_get_may_move_cost): New functions.

        * ira-conflicts.c (process_regs_for_copy): Use function
        ira_get_register_move_cost instead of global
        ira_register_move_cost.

        * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
        color_pass, move_spill_restore, update_curr_costs): Ditto.

        * ira-lives.c (process_single_reg_class_operands): Ditto.

        * ira-emit.c (emit_move_list): Ditto.

        * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
        (record_reg_classes): Ditto.  Use functions
        ira_get_register_move_cost and ira_get_may_move_cost instead of
        global vars ira_register_move_cost, ira_may_move_out_cost and
        ira_may_move_in_cost.
        (record_address_regs): Don't call ira_init_register_move_cost.
        Use function ira_get_may_move_cost instead of global
        ira_may_move_in_cost.
        (process_bb_node_for_hard_reg_moves): Use function
        ira_get_register_move_cost instead of global ira_register_move_cost.
        (ira_costs): Don't call ira_init_register_move_cost.

2009-04-16  Richard Guenther  <rguenther@suse.de>

        * tree-cfg.c (verify_gimple_assign_binary):
        Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
        * ipa-struct-reorg.c (gen_size): Fold the built expressions.
        (create_general_new_stmt): Note that this function is broken.

2009-04-16  Rafael Avila de Espindola  <espindola@google.com>

        * common.opt (fhelp): Add Var(help_flag).
        * gcc-plugin.h (plugin_info): Add help.
        * plugin.c (plugin_name_args): Add help.
        (register_plugin_info): Set plugin->help.
        (print_help_one_plugin): New.
        (print_plugins_help): New.
        * plugin.h (print_plugins_help): New.
        * toplev.c (toplev_main): Call print_plugins_help if needed.

2009-04-16  Richard Guenther  <rguenther@suse.de>

        * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
        (gimple_ior_addresses_taken_1): New function.
        (gimple_ior_addresses_taken): Likewise.
        * gimple.h (struct gimple_statement_with_ops_base): Remove
        addresses_taken member.
        (gimple_ior_addresses_taken): Declare.
        (gimple_addresses_taken, gimple_addresses_taken_ptr,
        gimple_set_addresses_taken): Remove.
        * ipa-reference.c (mark_address): New function.
        (scan_stmt_for_static_refs): Use it for marking addresses taken.
        * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
        (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
        (gimple_add_to_addresses_taken): Remove.
        (get_tmr_operands): Call mark_address_taken.
        (get_asm_expr_operands): Likewise.
        (get_expr_operands): Likewise.
        (build_ssa_operands): Do not clear the addresses_taken bitmap.
        (free_stmt_operands): Do not free it.
        * tree-ssa.c (delete_tree_ssa): Likewise.
        (execute_update_addresses_taken): Use gimple_ior_addresses_taken.

2009-04-16  Richard Guenther  <rguenther@suse.de>

        * gimple.h (walk_stmt_load_store_addr_ops): Declare.
        (walk_stmt_load_store_ops): Likewise.
        * gimple.c (get_base_loadstore): New function.
        (walk_stmt_load_store_addr_ops): Likewise.
        (walk_stmt_load_store_ops): Likewise.
        * ipa-pure-const.c (check_op): Simplify.
        (check_load, check_store): New functions.
        (check_stmt): Use walk_stmt_load_store_ops.
        * ipa-reference.c (mark_load): Adjust signature.
        (mark_store): Likewise.
        (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.

2009-04-16  Rafael Avila de Espindola  <espindola@google.com>

        * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
        (plugin_info): New.
        * opts.c (common_handle_option): Don't call print_version.
        * plugin.c (plugin_name_args): Add version.
        (register_plugin_info): New.
        (register_callback): Handle PLUGIN_INFO.
        (try_init_one_plugin): New.
        (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
        if failed to init.
        (finalize_one_plugin): New.
        (finalize_plugins): New.
        (print_one_plugin): New.
        (print_plugins_versions): New.
        * plugin.h (print_plugins_versions): New.
        (finalize_plugins): New.
        * toplev.c (compile_file): Don't call initialize_plugins.
        (print_version): Call print_plugins_versions.
        (toplev_main): Call initialize_plugins. Print version if needed.
        Call finalize_plugins.

2009-04-16  Rafael Avila de Espindola  <espindola@google.com>

        * common.opt (fversion): New.
        * gcc.c (print_version): New.
        (process_command): Don't print the version. Just set print_version.
        (main): Print version. Call subprocesses if print_version and
        verbose_flag are set.
        * opts.c (common_handle_option): Handle OPT_fversion.

2009-04-16  Richard Guenther  <rguenther@suse.de>
            Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/39698
        * tree-vect-loop.c (get_initial_def_for_reduction): Use the
        type of the reduction variable.  Only generate the def if
        it is needed.

        * omp-low.c (expand_omp_for_generic): When converting to a pointer
        make sure to first convert to an integer of the same precision.
        * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
        the type of the evolution correctly in computing the new
        induction variable base.

2009-04-16  Richard Guenther  <rguenther@suse.de>

        PR middle-end/39625
        * tree-cfg.c (make_blocks): Split statements with to-be
        abnormal SSA names on the lhs.

2009-04-16  Paolo Bonzini  <bonzini@gnu.org>

        * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
        Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
        * c-typeck.c (really_start_incremental_init): Likewise.
        * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
        (TARGET_INITIALIZER): Remove it.
        * target.h (struct target): Remove vector_opaque_p.
        * tree.c (build_opaque_vector_type): New.
        * tree.h (TYPE_VECTOR_OPAQUE): New.
        (build_opaque_vector_type): Declare.
        * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
        * config/rs6000/rs6000.c (build_opaque_vector_type,
        rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
        (rs6000_init_builtins): Use build_opaque_vector_type for
        opaque_V4SI_type_node.

2009-04-15  Catherine Moore  <clm@codesourcery.com>

        * debug.h (set_name):  Declare.
        * dwarf2out.c (dwarf2out_set_name): Declare.
        (dwarf2_debug_hooks): Add set_name.
        (find_AT_string): New.
        (add_AT_string): Call find_AT_string.
        (dwarf2out_set_name): New.
        * cp/decl.c (grokdeclarator): Call set_name.
        * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
        * debug.c (do_nothing_debug_hooks):  Likewise.
        * dbxout.c (dbx_debug_hooks): Likewise.
        * sdbout.c (sdb_debug_hooks): Likewise.

2009-04-15  Michael Eager  <eager@eagercon.com>

        * config/rs6000/rs6000.c (rs6000_function_value): Set function return
        reg for single-precision FPU.
        * config/rs6000/rs6000.md (movsi_internal1): Only for
        !TARGET_SINGLE_FPU.
        (movsi_internal1_single): New. Add pattern to move SI values to/from
        single-precision FP regs.

2009-04-15  Richard Guenther  <rguenther@suse.de>

        * omp-low.c (lower_rec_input_clauses): Build correct address
        expressions.
        (expand_omp_for_generic): Fix multiplication type.
        * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
        (generate_memset_zero): Fix types.
        * tree-profile.c (prepare_instrumented_value): Correctly
        widen a pointer.

2009-04-15  Ian Lance Taylor  <iant@google.com>

        * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
        * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
        for -Wall and for -Wc++-compat.
        (c_common_post_options): For C++, set warn_enum_compare if not
        already set.
        * c-tree.h (struct c_expr): Add field original_type.
        (build_external_ref): Update declaration.
        * c-parser.c (c_parser_braced_init): Set original_type.
        (c_parser_initelt): Likewise.
        (c_parser_expr_no_commas): Likewise.
        (c_parser_conditional_expression): Likewise.
        (c_parser_cast_expression): Likewise.
        (c_parser_unary_expression): Likewise.  Pull setting of
        original_code to top of function.
        (c_parser_sizeof_expression): Set original_type.
        (c_parser_alignof_expression): Likewise.
        (c_parser_postfix_expression): Likewise.  Pull setting of
        original_code to top of function.
        (c_parser_postfix_expression_after_paren_type): Set original_type.
        (c_parser_postfix_expression_after_primary): Likewise.
        (c_parser_expression): Likewise.
        * c-typeck.c (build_external_ref): Add type parameter.  Change all
        callers.
        (c_expr_sizeof_expr): Set original_type field.
        (parser_build_unary_op): Likewise.
        (parser_build_binary_op): Likewise.  Optionally warn about
        comparisons of enums of different types.
        (digest_init): Set original_type field.
        (really_start_incremental_init): Likewise.
        (push_init_level, pop_init_level): Likewise.
        * doc/invoke.texi (Warning Options): -Wenum-compare now
        supported in C.

2009-04-15  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
        out a necessary conversion.
        * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
        names we didn't value number.
        * tree-mudflap.c (mf_build_check_statement_for): Use correct types.

2009-04-15  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39764
        * tree-ssa-ccp.c (get_value): Canonicalize value with
        canonicalize_float_value.

2009-04-15  Jan Hubicka  <jh@suse.cz>

        * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
        Wrong version of patch.

2009-04-15  Jan Hubicka  <jh@suse.cz>

        * builtins.def (va_start, va_end, va_copy): Mark nothrow.

2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>

        * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
        our distinct integral and vector types.

2009-04-15  Rafael Avila de Espindola  <espindola@google.com>

        * class.c (build_vtbl_ref_1): Remove call to assemble_external.
        * init.c (build_vtbl_address): Remove call to assemble_external.

2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
        output for other floating point modes.

2009-04-14  Diego Novillo  <dnovillo@google.com>

        * diagnostic.c (diagnostic_report_diagnostic): Do not
        warn about loaded plugins for DK_ERROR and DK_WARNING.
        * c-decl.c (declspecs_add_type): Move call to
        invoke_plugin_callbacks ...
        * c-parser.c (c_parser_declspecs): ... here.
        * plugin.c (dump_active_plugins): Tidy output.

2009-04-14  Diego Novillo  <dnovillo@google.com>
            Le-Chun Wu  <lcwu@google.com>

        * configure.ac: Add --enable-plugin support.
        Define ENABLE_PLUGIN and PLUGINLIBS when specified.
        * Makefile.in (PLUGIN_H): Define.
        Export ENABLE_PLUGIN and GMPINC to site.exp.
        Add PLUGINLIBS to link command.
        Add/modify dependencies for plugin.o and files including plugin.h.
        (plugin.o): New.
        * config.in: Regenerate.

        * opts.c (common_handle_option): Handle OPT_fplugin_ and
        OPT_fplugin_arg_.

2009-04-14  Le-Chun Wu  <lcwu@google.com>

        * tree-pass.h (register_one_dump_file): Add a prototype for
        register_one_dump_file.
        * toplev.c (compile_file): Call initialize_plugins.
        (do_compile): Call invoke_plugin_callbacks.
        (toplev_main): Call invoke_plugin_callbacks.
        * common.opt: Add -fplugin= and -fplugin-arg-.
        * gcc-plugin.h: New public header file for plugins to include.
        * plugin.c: New source file.
        * plugin.h: New internal header file.
        * passes.c (register_one_dump_file): Make it external.

        * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.

2009-04-14  Diego Novillo  <dnovillo@google.com>

        * doc/plugins.texi: New.
        * doc/gccint.texi: Add reference to Plugins chapter.
        * doc/invoke.texi: Document -fplugin and -fplugin-arg
        * diagnostic.c (diagnostic_report_diagnostic): Warn about
        loaded plugins, if any.
        * timevar.def (TV_PLUGIN_INIT): Define.
        (TV_PLUGIN_RUN): Define.
        * plugin.c: Include timevar.h
        (plugins_active_p): New.
        (dump_active_plugins): New.
        (debug_active_plugins): New.

2009-04-14  Joseph Myers  <joseph@codesourcery.com>

        * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
        library paths.
        * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.

2009-04-14  Kazu Hirata  <kazu@codesourcery.com>

        * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
        the same as a minus without a shift.

2009-04-14  Nick Clifton  <nickc@redhat.com>

        * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
        comparisons with small integers will always produce a short
        branch.

2009-04-14  Rafael Avila de Espindola  <espindola@google.com>

        Merge:
        2008-12-19  Diego Novillo  <dnovillo@google.com>

        * cgraph.c (dump_cgraph_node): Show memory address of NODE.

2009-04-14  Richard Guenther  <rguenther@suse.de>

        * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
        verification.
        (verify_gimple_assign_binary): Likewise.  Handle shifts and
        rotates correctly.
        (verify_gimple_phi): Print the mismatched argument position.
        * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
        Fix types.
        (vect_update_init_of_dr): Likewise.
        * matrix-reorg.c (transform_access_sites): Do what the
        comment suggests.
        * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.

2009-04-13  Michael Eager  <eager@eagercon.com>

        * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
        _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
        * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
        * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
        remove duplicate config

2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>

        * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
        file_name:line_number type locator of the call site.

2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>

        * genautomata.c: Put blank after comma.
        (automaton_decls): New.
        (struct unit_usage): Add comments to member next.
        (store_alt_unit_usage): Keep the list ordered.
        (unit_present_on_list_p, equal_alternatives_p): New.
        (check_regexp_units_distribution): Check units distribution
        correctness correctly.
        (main): Don't write automata if error is found.  Return correct
        exit code.

        * config/m68k/cf.md (cfv4_ds): Remove.
        (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
        cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.

        * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
        power4-load-ext, power4-store, power4-store-update,
        power4-fpstore, power4-fpstore-update, power4-two, power4-three,
        power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
        power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
        power4-sqrt, power4-isync): Modify reservation to make correct
        unit distribution to automata.

        * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
        power5-store-update, power5-two, power5-three, power5-lmul,
        power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.

2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>

        * except.c (pass_set_nothrow_function_flags): Set name and add
        TODO_dump_func.
        (set_nothrow_function_flags): Mention in the dump file when
        changing a function to nothrow.

2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>

        PR/39066
        * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
        instead of unsigned long.

2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm.c (return_used_this_function): Remove.
        (arm_output_function_prologue): Remove use of
        return_used_this_function.
        (output_return_instruction): Replace use of
        return_used_this_function
        by cfun->machine->return_used_this_function.
        (arm_output_epilogue): Likewise.
        (arm_output_function_epilogue): Likewise.
        (thumb_unexpanded_epilogue): Likewise.
        * config/arm/arm.h (struct machine_function):
        New member return_used_this_function.

2009-04-12  Mark Mitchell  <mark@codesourcery.com>

        * doc/install.texi: Correct description of default directory for
        --with-gxx-include-dir.

2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>

        * fold-const.c (build_range_check): Properly deal with enumeral and
        boolean base types.

2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>

        * doc/invoke.texi (max_gcse_passes): Remove documentation.
        * params.def (PARAM_MAX_GCSE_PASSES): Remove.
        * params.h (MAX_GCSE_PASSES): Remove.
        * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
        in sequence.  Remove ability to run multiple passes.
        (bypass_jumps): Report run as third CPROP pass.

2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>

        PR middle-end/39651
        * except.c (can_throw_external): Look at each insn in a SEQUENCE
        when deciding whether the whole SEQUENCE can throw.

2009-04-12  Uros Bizjak  <ubizjak@gmail.com>

        PR target/39740
        * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
        offseted label references.

2009-04-11  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-pre.c (eliminate): Fix call of update_stmt.

2009-04-11  Richard Guenther  <rguenther@suse.de>

        PR middle-end/39732
        * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
        return variables as TREE_ADDRESSABLE.

2009-04-11  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39713
        * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
        reference trees have SSA_NAME operands.

2009-04-11  Richard Guenther  <rguenther@suse.de>

        PR c/39712
        * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
        address expressions.

2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>

        * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
        match changes in Cygwin 1.7
        (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
        UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.

2009-04-10  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/39701
        * doc/invoke.texi (Optimization Options): Document change in
        meaning and initialization of -fdelete-null-pointer-checks.

2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/39701
        * common.opt (-fdelete-null-pointer-checks): Initialize to 1.

        * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
        here.

        * doc/invoke.texi: Update -fdelete-null-pointer-checks.

2009-04-10  Chao-ying Fu  <fu@mips.com>

        * doc/tm.texi (Instruction Output): Document
        TARGET_ASM_FINAL_POSTSCAN_INSN.
        * target.h (final_postscan_insn): New field in asm_out.
        * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
        (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
        * final.c (final_scan_insn): Call
        targetm.asm_out.final_postscan_insn after outputting
        an asm macro and a normal instruction.

        * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
        * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
        * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
        (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
        (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.

2009-04-10  Paolo Bonzini  <bonzini@gnu.org>

        PR middle-end/39701
        * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
        variables as non-NULL even with -fdelete-null-pointer-checks.

2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>

        * config/rs6000/darwin-vecsave.asm: Remove extra "*/".

2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39678
        * config/i386/i386.c (classify_argument): Handle SCmode with
        (bit_offset % 64) != 0.

2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi (Optimize Options): Add cross-reference to
        -Q --help=optimizers examples.

2009-04-10  Ben Elliston  <bje@au.ibm.com>

        PR target/36800
        * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
        regalign for the reg == fpr and TDmode case.

2009-04-09  David Ayers  <ayers@fsfe.org>

        PR objc/29200
        * objc/objc-act.c (warn_with_method): Remove helper function.
        (check_duplicates): Call warning and inform directly.
        (really_start_method): Likewise.

2009-04-09  Paolo Bonzini  <bonzini@gnu.org>

        * expmed.c (expand_divmod): Always use a comparison for a division
        by a large unsigned integer.

        * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
        for things others than variables or functions as nonzero.

2009-04-09  Nick Clifton  <nickc@redhat.com>

        * unwind-compat.c: Change copyright header to refer to version
        3 of the GNU General Public License with version 3.1 of the
        GCC Runtime Library Exception and to point readers at the
        COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
        * config/alpha/crtfastmath.c: Likewise.
        * config/alpha/linux-unwind.h: Likewise.
        * config/alpha/qrnnd.asm: Likewise.
        * config/alpha/vms-crt0-64.c: Likewise.
        * config/alpha/vms-crt0.c: Likewise.
        * config/alpha/vms-dwarf2.asm: Likewise.
        * config/alpha/vms-dwarf2eh.asm: Likewise.
        * config/alpha/vms-psxcrt0-64.c: Likewise.
        * config/alpha/vms-psxcrt0.c: Likewise.
        * config/alpha/vms_tramp.asm: Likewise.
        * config/arc/initfini.c: Likewise.
        * config/arc/lib1funcs.asm: Likewise.
        * config/arm/bpabi-v6m.S: Likewise.
        * config/arm/bpabi.S: Likewise.
        * config/arm/bpabi.c: Likewise.
        * config/arm/crti.asm: Likewise.
        * config/arm/crtn.asm: Likewise.
        * config/arm/ieee754-df.S: Likewise.
        * config/arm/ieee754-sf.S: Likewise.
        * config/arm/lib1funcs.asm: Likewise.
        * config/arm/libunwind.S: Likewise.
        * config/arm/linux-atomic.c: Likewise.
        * config/arm/mmintrin.h: Likewise.
        * config/arm/pr-support.c: Likewise.
        * config/arm/unaligned-funcs.c: Likewise.
        * config/arm/unwind-arm.c: Likewise.
        * config/arm/unwind-arm.h: Likewise.
        * config/avr/libgcc.S: Likewise.
        * config/bfin/crti.s: Likewise.
        * config/bfin/crtlibid.s: Likewise.
        * config/bfin/crtn.s: Likewise.
        * config/bfin/lib1funcs.asm: Likewise.
        * config/bfin/linux-unwind.h: Likewise.
        * config/cris/arit.c: Likewise.
        * config/cris/cris_abi_symbol.c: Likewise.
        * config/darwin-64.c: Likewise.
        * config/darwin-crt2.c: Likewise.
        * config/darwin-crt3.c: Likewise.
        * config/darwin.h: Likewise.
        * config/dbxelf.h: Likewise.
        * config/dfp-bit.c: Likewise.
        * config/dfp-bit.h: Likewise.
        * config/elfos.h: Likewise.
        * config/fixed-bit.c: Likewise.
        * config/fixed-bit.h: Likewise.
        * config/fp-bit.c: Likewise.
        * config/fp-bit.h: Likewise.
        * config/fr30/crti.asm: Likewise.
        * config/fr30/crtn.asm: Likewise.
        * config/fr30/lib1funcs.asm: Likewise.
        * config/freebsd-spec.h: Likewise.
        * config/frv/cmovd.c: Likewise.
        * config/frv/cmovh.c: Likewise.
        * config/frv/cmovw.c: Likewise.
        * config/frv/frvbegin.c: Likewise.
        * config/frv/frvend.c: Likewise.
        * config/frv/lib1funcs.asm: Likewise.
        * config/glibc-stdint.h: Likewise.
        * config/h8300/clzhi2.c: Likewise.
        * config/h8300/crti.asm: Likewise.
        * config/h8300/crtn.asm: Likewise.
        * config/h8300/ctzhi2.c: Likewise.
        * config/h8300/fixunssfsi.c: Likewise.
        * config/h8300/lib1funcs.asm: Likewise.
        * config/h8300/parityhi2.c: Likewise.
        * config/h8300/popcounthi2.c: Likewise.
        * config/i386/ammintrin.h: Likewise.
        * config/i386/att.h: Likewise.
        * config/i386/avxintrin.h: Likewise.
        * config/i386/biarch64.h: Likewise.
        * config/i386/bmmintrin.h: Likewise.
        * config/i386/cpuid.h: Likewise.
        * config/i386/cross-stdarg.h: Likewise.
        * config/i386/crtfastmath.c: Likewise.
        * config/i386/crtprec.c: Likewise.
        * config/i386/cygming-crtbegin.c: Likewise.
        * config/i386/cygming-crtend.c: Likewise.
        * config/i386/cygwin.asm: Likewise.
        * config/i386/emmintrin.h: Likewise.
        * config/i386/gmm_malloc.h: Likewise.
        * config/i386/gthr-win32.c: Likewise.
        * config/i386/i386.h: Likewise.
        * config/i386/immintrin.h: Likewise.
        * config/i386/linux-unwind.h: Likewise.
        * config/i386/linux64.h: Likewise.
        * config/i386/mm3dnow.h: Likewise.
        * config/i386/mmintrin-common.h: Likewise.
        * config/i386/mmintrin.h: Likewise.
        * config/i386/nmmintrin.h: Likewise.
        * config/i386/pmm_malloc.h: Likewise.
        * config/i386/pmmintrin.h: Likewise.
        * config/i386/smmintrin.h: Likewise.
        * config/i386/sol2-c1.asm: Likewise.
        * config/i386/sol2-ci.asm: Likewise.
        * config/i386/sol2-cn.asm: Likewise.
        * config/i386/sol2-gc1.asm: Likewise.
        * config/i386/tmmintrin.h: Likewise.
        * config/i386/unix.h: Likewise.
        * config/i386/w32-unwind.h: Likewise.
        * config/i386/wmmintrin.h: Likewise.
        * config/i386/x86-64.h: Likewise.
        * config/i386/x86intrin.h: Likewise.
        * config/i386/xmmintrin.h: Likewise.
        * config/ia64/crtbegin.asm: Likewise.
        * config/ia64/crtend.asm: Likewise.
        * config/ia64/crtfastmath.c: Likewise.
        * config/ia64/crti.asm: Likewise.
        * config/ia64/crtn.asm: Likewise.
        * config/ia64/fde-glibc.c: Likewise.
        * config/ia64/lib1funcs.asm: Likewise.
        * config/ia64/linux-unwind.h: Likewise.
        * config/ia64/quadlib.c: Likewise.
        * config/ia64/unwind-ia64.c: Likewise.
        * config/linux.h: Likewise.
        * config/m32c/m32c-lib1.S: Likewise.
        * config/m32c/m32c-lib2-trapv.c: Likewise.
        * config/m32c/m32c-lib2.c: Likewise.
        * config/m32r/initfini.c: Likewise.
        * config/m68hc11/larith.asm: Likewise.
        * config/m68hc11/m68hc11-crt0.S: Likewise.
        * config/m68k/cf.md: Likewise.
        * config/m68k/crti.s: Likewise.
        * config/m68k/crtn.s: Likewise.
        * config/m68k/lb1sf68.asm: Likewise.
        * config/m68k/linux-unwind.h: Likewise.
        * config/mcore/crti.asm: Likewise.
        * config/mcore/crtn.asm: Likewise.
        * config/mcore/lib1.asm: Likewise.
        * config/mips/linux-unwind.h: Likewise.
        * config/mips/loongson.h: Likewise.
        * config/mips/mips16.S: Likewise.
        * config/mmix/crti.asm: Likewise.
        * config/mmix/crtn.asm: Likewise.
        * config/pa/fptr.c: Likewise.
        * config/pa/hpux-unwind.h: Likewise.
        * config/pa/lib2funcs.asm: Likewise.
        * config/pa/linux-atomic.c: Likewise.
        * config/pa/linux-unwind.h: Likewise.
        * config/pa/milli64.S: Likewise.
        * config/pa/quadlib.c: Likewise.
        * config/pa/stublib.c: Likewise.
        * config/picochip/libgccExtras/adddi3.asm: Likewise.
        * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
        * config/picochip/libgccExtras/ashlsi3.c: Likewise.
        * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
        * config/picochip/libgccExtras/ashrsi3.c: Likewise.
        * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
        * config/picochip/libgccExtras/divmod15.asm: Likewise.
        * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
        * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
        * config/picochip/libgccExtras/longjmp.asm: Likewise.
        * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
        * config/picochip/libgccExtras/lshrsi3.c: Likewise.
        * config/picochip/libgccExtras/parityhi2.asm: Likewise.
        * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
        * config/picochip/libgccExtras/setjmp.asm: Likewise.
        * config/picochip/libgccExtras/subdi3.asm: Likewise.
        * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
        * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
        * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
        * config/rs6000/750cl.h: Likewise.
        * config/rs6000/altivec.h: Likewise.
        * config/rs6000/biarch64.h: Likewise.
        * config/rs6000/crtresfpr.asm: Likewise.
        * config/rs6000/crtresgpr.asm: Likewise.
        * config/rs6000/crtresxfpr.asm: Likewise.
        * config/rs6000/crtresxgpr.asm: Likewise.
        * config/rs6000/crtsavfpr.asm: Likewise.
        * config/rs6000/crtsavgpr.asm: Likewise.
        * config/rs6000/darwin-asm.h: Likewise.
        * config/rs6000/darwin-fallback.c: Likewise.
        * config/rs6000/darwin-fpsave.asm: Likewise.
        * config/rs6000/darwin-ldouble.c: Likewise.
        * config/rs6000/darwin-tramp.asm: Likewise.
        * config/rs6000/darwin-unwind.h: Likewise.
        * config/rs6000/darwin-vecsave.asm: Likewise.
        * config/rs6000/darwin-world.asm: Likewise.
        * config/rs6000/e500crtres32gpr.asm: Likewise.
        * config/rs6000/e500crtres64gpr.asm: Likewise.
        * config/rs6000/e500crtres64gprctr.asm: Likewise.
        * config/rs6000/e500crtrest32gpr.asm: Likewise.
        * config/rs6000/e500crtrest64gpr.asm: Likewise.
        * config/rs6000/e500crtresx32gpr.asm: Likewise.
        * config/rs6000/e500crtresx64gpr.asm: Likewise.
        * config/rs6000/e500crtsav32gpr.asm: Likewise.
        * config/rs6000/e500crtsav64gpr.asm: Likewise.
        * config/rs6000/e500crtsav64gprctr.asm: Likewise.
        * config/rs6000/e500crtsavg32gpr.asm: Likewise.
        * config/rs6000/e500crtsavg64gpr.asm: Likewise.
        * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
        * config/rs6000/eabi-ci.asm: Likewise.
        * config/rs6000/eabi-cn.asm: Likewise.
        * config/rs6000/eabi.asm: Likewise.
        * config/rs6000/linux-unwind.h: Likewise.
        * config/rs6000/linux64.h: Likewise.
        * config/rs6000/paired.h: Likewise.
        * config/rs6000/paired.md: Likewise.
        * config/rs6000/ppc64-fp.c: Likewise.
        * config/rs6000/ppu_intrinsics.h: Likewise.
        * config/rs6000/rs6000.h: Likewise.
        * config/rs6000/si2vmx.h: Likewise.
        * config/rs6000/sol-ci.asm: Likewise.
        * config/rs6000/sol-cn.asm: Likewise.
        * config/rs6000/spe.h: Likewise.
        * config/rs6000/spu2vmx.h: Likewise.
        * config/rs6000/sysv4.h: Likewise.
        * config/rs6000/tramp.asm: Likewise.
        * config/rs6000/vec_types.h: Likewise.
        * config/s390/linux-unwind.h: Likewise.
        * config/s390/tpf-unwind.h: Likewise.
        * config/score/crti.asm: Likewise.
        * config/score/crtn.asm: Likewise.
        * config/sh/crt1.asm: Likewise.
        * config/sh/crti.asm: Likewise.
        * config/sh/crtn.asm: Likewise.
        * config/sh/divtab-sh4-300.c: Likewise.
        * config/sh/divtab-sh4.c: Likewise.
        * config/sh/divtab.c: Likewise.
        * config/sh/lib1funcs-4-300.asm: Likewise.
        * config/sh/lib1funcs-Os-4-200.asm: Likewise.
        * config/sh/lib1funcs.asm: Likewise.
        * config/sh/lib1funcs.h: Likewise.
        * config/sh/linux-atomic.asm: Likewise.
        * config/sh/linux-unwind.h: Likewise.
        * config/sh/shmedia.h: Likewise.
        * config/sh/sshmedia.h: Likewise.
        * config/sh/ushmedia.h: Likewise.
        * config/sparc/crtfastmath.c: Likewise.
        * config/sparc/linux-unwind.h: Likewise.
        * config/sparc/sol2-c1.asm: Likewise.
        * config/sparc/sol2-ci.asm: Likewise.
        * config/sparc/sol2-cn.asm: Likewise.
        * config/spu/divmodti4.c: Likewise.
        * config/spu/divv2df3.c: Likewise.
        * config/spu/float_disf.c: Likewise.
        * config/spu/float_unsdidf.c: Likewise.
        * config/spu/float_unsdisf.c: Likewise.
        * config/spu/float_unssidf.c: Likewise.
        * config/spu/mfc_multi_tag_release.c: Likewise.
        * config/spu/mfc_multi_tag_reserve.c: Likewise.
        * config/spu/mfc_tag_release.c: Likewise.
        * config/spu/mfc_tag_reserve.c: Likewise.
        * config/spu/mfc_tag_table.c: Likewise.
        * config/spu/multi3.c: Likewise.
        * config/spu/spu_internals.h: Likewise.
        * config/spu/spu_intrinsics.h: Likewise.
        * config/spu/spu_mfcio.h: Likewise.
        * config/spu/vec_types.h: Likewise.
        * config/spu/vmx2spu.h: Likewise.
        * config/stormy16/stormy16-lib2.c: Likewise.
        * config/svr4.h: Likewise.
        * config/sync.c: Likewise.
        * config/v850/lib1funcs.asm: Likewise.
        * config/vxlib-tls.c: Likewise.
        * config/vxlib.c: Likewise.
        * config/vxworks-dummy.h: Likewise.
        * config/xtensa/crti.asm: Likewise.
        * config/xtensa/crtn.asm: Likewise.
        * config/xtensa/ieee754-df.S: Likewise.
        * config/xtensa/ieee754-sf.S: Likewise.
        * config/xtensa/lib1funcs.asm: Likewise.
        * config/xtensa/lib2funcs.S: Likewise.
        * config/xtensa/linux-unwind.h: Likewise.
        * config/xtensa/unwind-dw2-xtensa.c: Likewise.
        * config/xtensa/unwind-dw2-xtensa.h: Likewise.
        * coretypes.h: Likewise.
        * crtstuff.c: Likewise.
        * defaults.h: Likewise.
        * dwarf2.h: Likewise.
        * emutls.c: Likewise.
        * gbl-ctors.h: Likewise.
        * gcov-io.h: Likewise.
        * ginclude/float.h: Likewise.
        * ginclude/iso646.h: Likewise.
        * ginclude/stdarg.h: Likewise.
        * ginclude/stdbool.h: Likewise.
        * ginclude/stddef.h: Likewise.
        * ginclude/stdfix.h: Likewise.
        * ginclude/stdint-gcc.h: Likewise.
        * ginclude/tgmath.h: Likewise.
        * gthr-aix.h: Likewise.
        * gthr-dce.h: Likewise.
        * gthr-gnat.c: Likewise.
        * gthr-gnat.h: Likewise.
        * gthr-lynx.h: Likewise.
        * gthr-mipssde.h: Likewise.
        * gthr-nks.h: Likewise.
        * gthr-posix.c: Likewise.
        * gthr-posix.h: Likewise.
        * gthr-posix95.h: Likewise.
        * gthr-rtems.h: Likewise.
        * gthr-single.h: Likewise.
        * gthr-solaris.h: Likewise.
        * gthr-tpf.h: Likewise.
        * gthr-vxworks.h: Likewise.
        * gthr-win32.h: Likewise.
        * gthr.h: Likewise.
        * libgcc2.c: Likewise.
        * libgcc2.h: Likewise.
        * libgcov.c: Likewise.
        * tsystem.h: Likewise.
        * typeclass.h: Likewise.
        * unwind-c.c: Likewise.
        * unwind-compat.h: Likewise.
        * unwind-dw2-fde-compat.c: Likewise.
        * unwind-dw2-fde-darwin.c: Likewise.
        * unwind-dw2-fde-glibc.c: Likewise.
        * unwind-dw2-fde.c: Likewise.
        * unwind-dw2-fde.h: Likewise.
        * unwind-dw2.c: Likewise.
        * unwind-dw2.h: Likewise.
        * unwind-generic.h: Likewise.
        * unwind-pe.h: Likewise.
        * unwind-sjlj.c: Likewise.