* config/i386/i386.c (ix86_secondary_reload): New static function.

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

2008-05-18  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_secondary_reload): New static function.
        (TARGET_SECONDARY_RELOAD): New define.
        * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
        * config/i386/i386.md (reload_outqi): Remove.

2008-05-18 Xinliang David Li   <davidxl@google.com>

        * gcc/tree-ssa-dce.c: Coding style fix.
        (check_pow): Documentation comment. 
        (check_log): Documenation comment. Coding style fix.
        (is_unnecessary_except_errno_call): Ditto.
        (gen_conditions_for_pow): Ditto.
        (gen_conditions_for_log): Ditto.
        (gen_shrink_wrap_conditions): Ditto.
        (shrink_wrap_one_built_in_calls): Ditto.
        * gcc/doc/invoke.texi: Better documentation string.
        * ChangeLog: Fix wrong change log entries from 
        May 17 checkin on function call DCE.

2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.

2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-inline.c (setup_one_parameter): Remove dead code.

2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>

        * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
        a BIT_AND_EXPR only for an INTEGER_TYPE.

2008-05-17 Xinliang David Li   <davidxl@google.com>

        * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
        (check_pow, check_log, is_unnecessary_except_errno_call): New 
        functions to check for eliminating math functions that are pure 
        except for setting errno.
        (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
        general condition expressions for shrink-wrapping pow/log calls.
        (gen_shrink_wrap_conditions): Ditto.
        (shrink_wrap_one_built_in_call): Ditto.
        (shrink_wrap_conditional_dead_built_in_calls): Ditto.
        (mark_operand_necessary): If debugging, output if OP is necessary.
        (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
        unnecessary.
        * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
        opt level >= 2.
        * gcc/common.opt: New user flag -ftree-builtin-dce.
        * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.

2008-05-16  David S. Miller  <davem@davemloft.net>

        * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
        * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.

2008-05-16  Uros Bizjak  <ubizjak@gmail.com>

        PR target/36246
        * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.

2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>

        * ifcvt.c (dead_or_predicable): Rename
        df_simulate_one_insn_backwards to df_simulate_one_insn.
        * recog.c (peephole2_optimize): Ditto.
        * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq): Ditto.
        * df.h: Rename df_simulate_one_insn_backwards to
        df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
        * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
        scanning of defs and uses.
        (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
        (df_simulate_one_insn_forwards): Removed.

2008-05-16  Doug Kwan  <dougkwan@google.com>

        * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
        QNaN & SNaN.
        (real_from_string): Handle NaNs and Inf as approriate.

2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>

        * doc/gty.texi (Source Files Containing Type Information): Note
        that headers should appear first in the gtfiles list.

2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>

        * tree.def (COND_EXEC): Properly documented this code.

2008-05-16  Diego Novillo  <dnovillo@google.com>

        * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
        * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
        the new field.

2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>

        * tree-ssa-dse (max_stmt_uid): Removed.
        (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt, 
        tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
        * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
        * function.h (cfun.last_stmt_uid): New field.
        * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
        gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
        New functions.
        * tree-dfa.c (renumber_gimple_stmt_uids): New function.
        (create_stmt_ann): Initialize the ann->uid field.
        * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
        with new calls.
        * tree-flow.h (renumber_gimple_stmt_uids): New function.

2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>

        * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
        * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
        (init_empty_tree_cfg): Call it.

2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>

        * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
        Update all users.

2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>

        * doc/invoke.text (-fdump-tree-*-verbose): New option.
        * tree-dump.c (dump_options): New verbose option.
        * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
        Add verbose dump.
        * tree-pass.h (TDF_VERBOSE): New dump flag.
        * print-tree.c (print_node): Added code to be able to print PHI_NODES.
        (tree-flow.h): Added include.
        * Makefile.in (print-tree.o):  Added TREE_FLOW_H.

2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.

        From Jie Zhang  <jie.zhang@analog.com>
        * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
        MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
        mcpu=bf561-none and mcpu=bf561-0.2.
        * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
        MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
        * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
        MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
        * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
        * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
        (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
        option.
        * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
        (cputype_selected): Remove.
        (bfin_handle_option): Don't use cputype_selected.
        (override_options): When no mcpu option, enable all workarounds.
        Don't use bfin_workarounds.
        * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
        processor type.
        (DEFAULT_CPU_TYPE): Don't define.

2008-05-16  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
        on deletion of the last stmt.

2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
        V8HImode for SSE2 and V16QImode for SSE4.1.

2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>

        * cgraph.h (compute_inline_parameters): Made public.
        * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
        variable_generate_summary, function_write_summary,
        variable_write_summary, variable_read_summary.  Added generate_summary,
        write_summary, read_summary.
        * cgraphunit.c (cgraph_process_new_functions): Changed call from
        pass_ipa_inline.function_generate_summary, to
        compute_inline_parameters. 
        * ipa-inline.c (compute_inline_parameters): Made public and added
        node parameter.
        (compute_inline_parameters_for_current): New function.
        (pass_inline_param): Now calls compute_inline_parameters_for_current.
        (inline_generate_summary): Removed parameter and made to loop over
        all cgraph nodes.
        (pass_ipa_inline): Updated for new IPA_PASS structure.
        * passes.c (execute_ipa_summary_passes): Now is called once per
        pass rather than once per node*pass.
        
2008-05-15  Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p, 
        avr_have_mul_p, avr_asm_only_p): Remove variables.
        (avr_override_options): Remove initialization of removed variables.
        (avr_file_start):  Convert removed variables to fields of 
        'struct base_arch_s *avr_current_arch'. 
        * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
        (AVR_HAVE_MUL): (Ditto.).
        (AVR_HAVE_MOVW): (Ditto.).
        (AVR_HAVE_LPMX): (Ditto.). 
        (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p, 
        avr_asm_only_p): Remove declaration.

2008-05-15  Diego Novillo  <dnovillo@google.com>

        * config/arm/arm.c (arm_return_in_memory): Fix return type.
        * config/arm/arm-protos.h (arm_return_in_memory): Likewise.

2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>

        PR middle-end/36194
        * combine.c (check_conversion): Rename back to check_promoted_subreg.
        Don't call record_truncated_value from here.
        (record_truncated_value): Turn it into a for_each_rtx callback.
        (record_truncated_values): New function.
        (combine_instructions): Call note_uses with record_truncated_values.
        Change name of check_conversion to check_promoted_subreg. 

2008-05-15  Janis Johnson  <janis187@us.ibm.com>

        * doc/sourcebuild.texi: Document support for torture tests.

2008-05-15  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
        to alternative 4 of operand 2.

2008-05-15  Richard Guenther  <rguenther@suse.de>

        * tree-pass.h (current_pass): Declare.
        (get_pass_for_id): Likewise.
        * passes.c (passes_by_id, passes_by_id_size): New globals.
        (set_pass_for_id): New function.
        (get_pass_for_id): Likewise.
        (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
        (execute_function_todo): Flush per function statistics.
        * toplev.c (compile_file): Init statistics.
        (general_init): Do early statistics initialization.
        (finalize): Finish statistics.
        * statistics.h (statistics_early_init): Declare.
        (statistics_init): Likewise.
        (statistics_fini): Likewise.
        (statistics_fini_pass): Likewise.
        (statistics_counter_event): Likewise.
        (statistics_histogram_event): Likewise.
        * statistics.c: New file.
        * Makefile.in (OBJS-common): Add statistics.o.
        (statistics.o): Add dependencies.
        * doc/invoke.texi (-fdump-statistics): Document.

        * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
        (insert): Likewise.
        (execute_pre): Use statistics_counter_event.
        * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
        (substitute_and_fold): Increment it.  Use statistics_counter_event.

2008-05-15  Diego Novillo  <dnovillo@google.com>

        http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html

        * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
        * tree-ssa-alias.c (new_type_alias): Remove references to
        sub-variables from comment.
        * tree-ssa-operands.c (swap_tree_operands): Likewise.

2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
        attribute to 1 only for insertps alternative.

2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.md (loadbytes): New pattern.
        * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
        (bfin_init_builtins): Initialize it.
        (bdesc_1arg): Add it.

2008-05-15  Sa Liu  <saliu@de.ibm.com>

        * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
        * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
        * testsuite/lib/target-supports.exp: Add
        check_effective_target_fortran_integer_16.

2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
        * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
        * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
        (TARGET_RETURN_IN_MEMORY): Define.

2008-05-15  Richard Guenther  <rguenther@suse.de>

        PR middle-end/36244
        * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
        * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
        represent unmodifiable vars.

2008-05-15  Richard Guenther  <rguenther@suse.de>

        * tree-dfa.c (refs_may_alias_p): Allow all kinds of
        INDIRECT_REF and TARGET_MEM_REF.
        * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
        TARGET_MEM_REF.

2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
            H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
        (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
        for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
        insn alternatives.  Add missing alternatives.
        (*vec_concatv2di_rex64_sse4_1): Likewise.
        (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
        (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
        Require TARGET_SSE.

2008-05-15  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36009
        PR tree-optimization/36204
        * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
        (determine_invariantness_stmt): Record the loop a store is
        always executed in.
        * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
        dependency.

2008-05-15  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/34330
        * tree-ssa-alias.c (get_smt_for): Only assert that accesses
        through the pointer will alias the SMT.

2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>

        * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.

2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.

2008-05-14  Michael Meissner  <michael.meissner@amd.com>
            Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>

        * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
        OTI_vrotl, OTI_vrotr to support vector/vector shifts.
        (vashl_optab): New optab for vector/vector shifts.
        (vashr_optab): Ditto.
        (vlshr_optab): Ditto.
        (vrotl_optab): Ditto.
        (vrotr_optab): Ditto.
        (optab_subtype): New enum for optab_for_tree_code call.
        (optab_for_tree_code): Add enum optab_subtype argument.

        * optabs.c (optab_for_tree_code): Take an additional argument to
        distinguish between a vector shift by a scalar and vector shift by
        a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
        shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
        vector shift by a vector.
        (expand_widen_pattern_expr): Pass additional argument to
        optab_for_tree_code.

        * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
        vrotl_optab, vrotr_optab.

        * expr.c (expand_expr_real_1): Update calls to
        optab_for_tree_code to distinguish between vector shifted by a
        scalar and vector shifted by a vector.
        * tree-vectorizer.c (supportable_widening_operation): Ditto.
        (supportable_narrowing_operation): Ditto.
        * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
        * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
        * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
        (vect_create_epilog_for_reduction): Ditto.
        (vectorizable_reduction): Ditto.
        (vectorizable_operation): Ditto.
        (vect_strided_store_supported): Ditto.
        (vect_strided_load_supported): Ditto.
        * tree-vect-generic.c (expand_vector_operations_1): Ditto.
        * expmed.c (expand_shift): Ditto.

        * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
        scalar type.
        (ashr@var{m}3): Ditto.
        (vashl@var{m}3): Document new vector/vector shift standard name.
        (vashr@var{m}3): Ditto.
        (vlshr@var{m}3): Ditto.
        (vrotl@var{m}3): Ditto.
        (vrotr@var{m}3): Ditto.

        * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
        (PPERM_INVERT): Ditto.
        (PPERM_REVERSE): Ditto.
        (PPERM_REV_INV): Ditto.
        (PPERM_ZERO): Ditto.
        (PPERM_ONES): Ditto.
        (PPERM_SIGN): Ditto.
        (PPERM_INV_SIGN): Ditto.
        (PPERM_SRC1): Ditto.
        (PPERM_SRC2): Ditto.

        * config/i386/sse.md (mulv2di3): Add SSE5 support.
        (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
        allows a memory operand to be the value being added, and split it
        to improve vectorization.
        (sse5_pmacsdqh_mem): Ditto.
        (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
        (sse5_mulv2div2di3_high): Ditto.
        (vec_pack_trunc_v8hi): Add SSE5 pperm support.
        (vec_pack_trunc_v4si): Ditto.
        (vec_pack_trunc_v2di): Ditto.
        (sse5_pcmov_<mode>): Remove code that tried to use use
        andps/andnps instead of pcmov.
        (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
        pmacsdqh instructions.
        (vec_widen_smult_lo_v4si): Ditto.

        * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
        (PPERM_INVERT): Ditto.
        (PPERM_REVERSE): Ditto.
        (PPERM_REV_INV): Ditto.
        (PPERM_ZERO): Ditto.
        (PPERM_ONES): Ditto.
        (PPERM_SIGN): Ditto.
        (PPERM_INV_SIGN): Ditto.
        (PPERM_SRC1): Ditto.
        (PPERM_SRC2): Ditto.
        (ix86_expand_sse_movcc): Move the SSE5 test after the if
        true/false tests.
        (ix86_expand_int_vcond): If SSE5 generate all possible integer
        comparisons.
        (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
        says ignore whether the last reference is a memory operand.

2008-05-14  Michael Meissner  <michael.meissner@amd.com>
            Paolo Bonzini <bonzini at gnu dot org>

        * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
        shift patterns.

        * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
        (vlshr<mode>3): Rename from vlshr<mode>3.
        (vashr<mode>3): Rename from vashr<mode>3.
        (mulv4sf3): Change the names of vector shift patterns.
        (mulv4si3): Ditto.
        (negv4sf2): Ditt.

        * config/spu/spu.c (spu_initialize_trampoline): Rename vector
        shift insns.

        * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
        (SI_SHLHI): Ditto.
        (SI_SHL): Ditto.
        (SI_SHLI): Ditto.
        (SI_ROTH): Ditto.
        (SI_ROTHI): Ditto.
        (SI_ROT): Ditto.
        (SI_ROTI): Ditto.
        (SPU_RL_0): Ditto.
        (SPU_RL_1): Ditto.
        (SPU_RL_2): Ditto.
        (SPU_RL_3): Ditto.
        (SPU_RL_4): Ditto.
        (SPU_RL_5): Ditto.
        (SPU_RL_6): Ditto.
        (SPU_RL_7): Ditto.
        (SPU_SL_0): Ditto.
        (SPU_SL_1): Ditto.
        (SPU_SL_2): Ditto.
        (SPU_SL_3): Ditto.
        (SPU_SL_4): Ditto.
        (SPU_SL_5): Ditto.
        (SPU_SL_6): Ditto.
        (SPU_SL_7): Ditto.

        * config/spu/spu.md (v): New iterator macro to add v for vector types.
        (floatunssidf2_internal): Change vector/vector shift names.
        (floatunsdidf2_internal): Ditto.
        (mulv8hi3): Ditto.
        (ashrdi3): Ditto.
        (ashrti3): Ditto.
        (cgt_df): Ditto.
        (cgt_v2df): Ditto.
        (dftsv): Ditto.
        (vashl<mode>3): Rename from ashl<mode>3.
        (vashr<mode>3): Rename from ashr<mode>3.
        (vlshr<mode>3): Rename from lshr<mode>3.
        (vrotl<mode>3): Rename from rotl<mode>3.

2008-05-14  Michael Meissner  <michael.meissner@amd.com>

        PR target/36224
        * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
        multiply gives the wrong value when doing widening multiplies.
        (vec_widen_smult_lo_v4si): Ditto.

2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>

        * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
        LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
        emit_library_call_value. 
        * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
        * tree.h (ECF_LIBCALL_BLOCK): Removed.
        * calls.c (initialize_argument_information, precompute_arguments, 
        expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
        (precompute_arguments): Removed flags parameter.
        * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
        
2008-05-14  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
        Make sure to register the store if the use is a PHI_NODE.

2008-05-14  Olivier Hainque  <hainque@adacore.com>

        * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
        memory if the component is to be referenced in BLKmode according
        to get_inner_reference.

2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>

        * calls.c (emit_library_call_value_1): Restore code clearing
        ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.

2008-05-14  Olivier Hainque  <hainque@adacore.com>
            Nicolas Roche  <roche@adacore.com>

        * configure.ac: Add support for a "gcc_subdir" variable in
        config-lang.in, to denote a subdirectory where the language/GCC
        integration files are to be found.
        * configure: Regenerate.

2008-05-14  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/36098
        * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
        value for the first load in the group in case of a gap.
        (vect_build_slp_tree): Check that there are no gaps in loads.

2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>

        * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
        * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
        expand_copysign_bit, ): Change call to emit_no_conflict_block to
        emit_insn and remove unneeded code to construct extra args.
        (emit_no_conflict_block): Removed.
        * optabls.h: (emit_no_conflict_block): Removed.
        * cse.c (cse_extended_basic_block): Remove search for
        REG_NO_CONFLICT note.
        * global.c: Removed incorrect comment added in revision 117.
        * expr.c (convert_move): Change call to emit_no_conflict_block to
        emit_insn.
        * recog.c: Change comments so that they do not mention
        REG_NO_CONFLICT.
        * local_alloc.c (combine_regs): Removed last parameter.
        (no_conflict_p): Removed.
        (block_alloc): Removed note, no_conflict_combined_regno and set
        local vars. Removed all code to process REG_NO_CONFLICT blocks.
        (combine_regs): Removed already_dead and code to look for
        REG_NO_CONFLICT notes.
        * lower_subreg (remove_retval_note): Removed code to look for
        REG_NO_CONFLICT block.
        (resolve_reg_notes): Removed REG_NO_CONFLICT case.
        (resolve_clobber): Remove code to process libcalls that have
        REG_NO_CONFLICT notes.
        * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
        case.
        * combine.c (can_combine_p, distribute_notes):  Removed
        REG_NO_CONFLICT case.
        * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
        to emit_insns.
        * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
        * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
        Ditto.
        * reg-notes.def (NO_CONFLICT): Removed.

2008-05-14  David S. Miller  <davem@davemloft.net>

        * config/sparc/sparc.c (sparc_profile_hook): If
        NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
        * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
        * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.

2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>

        * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.

2008-05-13  Uros Bizjak  <ubizjak@gmail.com>

        PR target/36222
        * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
        and op1 expansion before vector concat to have less live pseudos.

2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
        ix86_expand_vector_set if supported.

2008-05-13  Diego Novillo  <dnovillo@google.com>
            Kenneth Zadeck  <zadeck@naturalbridge.com>

        http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html

        * tree.h (init_phinodes, fini_phinodes, release_phi_node,
        phinodes_print_statistics, init_ssanames, fini_ssanames,
        make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
        release_ssa_name, release_defs, replace_ssa_name_symbol,
        ssanames_print_statistics): Move ...
        * tree-flow.h: ... here.
        * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
        Use FN instead of cfun.
        (make_ssa_name_fn): Rename from make_ssa_name.
        (pass_release_ssa_names): Add TODO_dump_func to finish flags.
        * tree-flow-inline.h (make_ssa_name): Move from
        tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
        * omp-low.c (expand_omp_parallel):
        * tree-flow-inline.h (redirect_edge_var_map_result):
        * tree-ssa.c (init_tree_ssa): Add argument FN.
        Use it instead of cfun.  Update all users.

2008-05-13  Tom Tromey  <tromey@redhat.com>

        PR preprocessor/22168:
        * doc/cpp.texi (Top): Update menu.
        (Alternatives to Wrapper #ifndef): New node.
        (Other Directives): Document deprecation.
        (Obsolete Features): Remove menu.
        (Assertions): Merge node into Obsolete Features.
        (Obsolete once-only headers): Move earlier; rename to Alternatives
        to Wrapper #ifndef.
        * doc/cppopts.texi: Update.
        * c.opt (Wdeprecated): Enable for C and ObjC.
        * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
        (C++ Dialect Options): Move -Wno-deprecated from here to...
        (Warning Options): ... here.

2008-05-13  Richard Guenther  <rguenther@suse.de>

        PR middle-end/36227
        * fold-const.c (fold_sign_changed_comparison): Do not allow
        changes in pointer-ness.

2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/24713
        * config/sh/sh.c (sh_expand_prologue): Don't clear
        RTX_FRAME_RELATED_P for push insns.

2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>

        * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.

2008-05-12  Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.h (machine_function): Add 'is_leaf' field.
        * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
        Use 'machine->is_leaf' instead of 'leaf_func_p'.

2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
        (*vec_concatv4sf_sse): This.
        (*sse2_concatv2si): Renamed to ...
        (*vec_concatv2si_sse2): This.
        (*sse1_concatv2si): Renamed to ...
        (*vec_concatv2si_sse): This.
        (*vec_concatv2di_rex): Renamed to ...
        (*vec_concatv2di_rex64): This.
        (*vec_concatv2si_sse4_1): New.
        (*vec_concatv2di_rex64_sse4_1): Likewise.

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

        PR rtl-optimization/36111
        * recog.c (validate_replace_rtx_1): Unshare new RTL expression
        that was created for swappable operands.

2008-05-12  Samuel Tardieu  <sam@rfc1149.net>

        PR ada/36001
        * Makefile.in: Substitute GNATMAKE and GNATBIND.
        * configure.ac: Add call to ACX_PROG_GNAT.

2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>

        * optc-gen.awk: Fix comment typo.

2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>

        * pretty-print.c (pp_integer_with_precision): Use
        HOST_LONG_LONG_FORMAT.

2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>

        * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
                
2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (bdesc_ptest): Removed.
        (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
        (bdesc_args): Add __builtin_ia32_ptestz128,
        __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
        (ix86_init_mmx_sse_builtins): Updated.
        (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
        (ix86_expand_builtin): Updated.

2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>

        * tree-cfg.c (valid_fixed_convert_types_p): New function.
        (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.

2008-05-10  Uros Bizjak  <ubizjak@gmail.com>

        * value-prof.c (interesting_stringop_to_profile): Do not
        return early for BUILT_IN_MEMPCPY.

2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>

        * calls.c (expand_call): Don't use callgraph to increase
        preferred_stack_boundary.

        * cgraph.h (cgraph_rtl_info): Use unsigned on
        preferred_incoming_stack_boundary.

        * final.c (rest_of_clean_state): Use unsigned on
        preferred_stack_boundary.

2008-05-09  Tom Tromey  <tromey@redhat.com>

        PR preprocessor/22231:
        * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
        proceeding.

2008-05-09  Uros Bizjak  <ubizjak@gmail.com>

        PR tree-optimization/36129
        * tree-ssa-ccp.c: Include value-prof.h.
        (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
        built-in function was folded to a constant.
        * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h

2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
            Sebastian Pop  <sebastian.pop@amd.com>

        * tree-scalar-evolution.c: Document instantiate_scev.
        (instantiate_parameters_1): Renamed instantiate_scev_1.
        Don't use the same loop for instantiation_loop and evolution_loop.
        (instantiate_scev): New.
        (instantiate_parameters): Moved...
        (resolve_mixers): Update call to instantiate_scev_1 to pass the
        same loop twice.  Maintains the semantics for this function.
        * tree-scalar-evolution.h (instantiate_scev): Declare.
        (instantiate_parameters): ...here.  Now static inline.
        * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
        instead of resolve_mixers.

2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * rtl-factoring.c (collect_pattern_seqs): Fix typo.

2008-05-09  Tomas Bily  <tbily@suse.cz>

        * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
        * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
        * tree-ssa-structalias.c (get_constraint_for): Likewise.
        * c-common.c (c_common_truthvalue_conversion): Likewise.
        * tree-object-size.c (compute_object_offset): Likewise.
        * tree-inline.c (estimate_num_insns_1): Likewise.
        * varasm.c (const_hash_1, compare_constant, copy_constant)
        (compute_reloc_for_constant, output_addressed_constants)
        (initializer_constant_valid_p): Likewise.
        * c-omp.c (check_omp_for_incr_expr): Likewise.
        * gimplify.c (gimplify_expr): Likewise.
        * c-typeck.c (c_finish_return): Likewise.
        * tree-vectorizer.c (supportable_widening_operation)
        (supportable_narrowing_operation): Likewise.
        * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
        * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
        * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
        * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
        (descr_info_loc): Likewise.
        * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
        * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
        (fold_unary): Likewise.
        * builtins.c (get_pointer_alignment): Likewise.
        * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
        (instantiate_parameters_1): Likewise.
        * tree.c (expr_align, stabilize_reference): Likewise.
        * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
        * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
        * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
        * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
        * config/alpha/alpha.c (va_list_skip_additions): Likewise.
        * c-common.c (c_alignof_expr, check_function_arguments_recurse):
        Likewise.
        * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
        * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
        * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
        (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
        (forward_propagate_comparison)
        (tree_ssa_forward_propagate_single_use_vars): Likewise.
        * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
        * emit-rtl.c (component_ref_for_mem_expr)
        (set_mem_attributes_minus_bitpos): Likewise.
        * tree-ssa-phiopt.c (conditional_replacement): Likewise.
        * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
        Likewise.
        * c-typeck.c (default_function_array_conversion, build_indirect_ref)
        (build_function_call, pointer_diff, build_compound_expr)
        (c_finish_return): Likewise.
        * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
        * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
        Likewise.
        * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
        * expr.c (is_aligning_offset): Likewise.
        * tree-ssa-alias.c (is_escape_site): Likewise.
        * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
        (check_all_va_list_escapes): Likewise.
        * tree-ssa-loop-ivopts.c (determine_base_object)
        (determine_common_wider_type): Likewise.
        * dojump.c (do_jump): Likewise.
        * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
        * tree-gimple.c (is_gimple_cast): Likewise.
        * fold-const.c (decode_field_reference, )
        (fold_sign_changed_comparison, fold_unary, fold_comparison)
        (fold_binary): Likewise.
        * tree-ssa-alias-warnings.c (find_alias_site_helper)
        (already_warned_in_frontend_p): Likewise.
        * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
        * tree.c (really_constant_p, get_unwidened): Likewise.
        * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
        * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
        * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
        Likewise.
        * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
        CONVERT_EXPR_P.
        (CONVERT_EXPR_P): Define.
        (CASE_CONVERT): Define.
        
2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>

        PR middle-end/36117
        * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
        (delete_unmarked_insns): When deleting a call, call
        delete_unreachable_blocks.
        * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
        RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.

2008-05-08  Richard Guenther  <rguenther@suse.de>

        * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
        (-ftree-salias): Likewise.
        (salias-max-implicit-fields): Remove param documentation.
        (salias-max-array-elements): Likewise.
        * tree-pass.h (pass_create_structure_vars): Remove.
        * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
        (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
        * tree-ssa-alias.c (create_structure_vars): Remove.
        (gate_structure_vars): Likewise.
        (pass_create_structure_vars): Likewise.
        (gate_build_alias): Likewise.
        (pass_build_alias): Adjust to run always and dump the function.
        * common.opt (ftree-salias): Hide.
        * passes.c (init_optimization_passes): Remove
        pass_create_structure_vars, adjust comment.
        * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
        (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
        * opts.c (decode_options): Do not set flag_tree_salias.
        (common_handle_option): Add OPT_ftree_salias to the backward
        compatibility section.

2008-05-08  Richard Guenther  <rguenther@suse.de>

        * tree-flow-inline.h (var_can_have_subvars): Move ...
        * tree-ssa-structalias.c (var_can_have_subvars): ... here.
        * tree-flow.h (var_can_have_subvars): Remove.
        (push_fields_onto_fieldstack): Remove.
        (sort_fieldstack): Likewise.
        (struct fieldoff): Move ...
        * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
        alias_set and base_for_components fields.
        (sort_fieldstack): Make static.
        (push_fields_onto_fieldstack): Likewise.  Remove code that
        handles anything but RECORD_TYPEs.  Remove alias_set and
        base_for_components handling.
        (create_variable_info_for): Adjust.

2008-05-08  Seongbae Park  <seongbae.park@gmail.com>

        * common.opt (Wframe-larger-than=): Shorten the help message
        to one line.
        * doc/invoke.texi (Wframe-larger-than=): Add more description.

2008-05-08  Rafael Espindola  <espindola@google.com>

        * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
        trap.
        * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
        trap and that both operands are gimple values.
        (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
        * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
        is a fp operation.

2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>

        * read-rtl.c (join_c_conditions): Return the first string if the
        two strings are equal.

2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>

        * gensupport.h (pred_data): Add a "num_codes" field.
        (add_predicate_code): Declare.
        * gensupport.c (add_predicate_code): New function.
        (std_pred_table): Add an "allows_const_p" field.
        (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
        Remove the (incomplete) list of such codes from the codes field.
        (init_predicate_table): Use add_predicate_code.  Add all
        RTX_CONST_OBJs if allows_const_p is true.
        * genrecog.c (process_define_predicate): Use add_predicate_code.

2008-05-08  David Daney  <ddaney@avtrex.com>
            Richard Sandiford  <rsandifo@nildram.co.uk>
        
        * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
        special case of constant zero operands.
        * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
        old and new values.  Special case constant zero values.
        * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
        fails.
        (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
        (MIPS_COMPARE_AND_SWAP_12_0): New macro.

2008-05-08  Paolo Bonzini  <bonzini@gnu.org>

        PR target/36090
        * simplify-rtx.c (simplify_plus_minus): Create CONST of
        similar RTX_CONST_OBJ before CONST_INT.

2008-05-08  Steve Ellcey  <sje@cup.hp.com>

        * stmt.c (expand_stack_restore): Change sa mode if needed.

2008-05-08  Richard Guenther  <rguenther@suse.de>

        * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
        return type to bool.
        (ix86_sol10_return_in_memory): Likewise.
        (ix86_i386elf_return_in_memory): Likewise.
        (ix86_i386interix_return_in_memory): Likewise.
        * config/i386/i386.c (ix86_return_in_memory): Likewise.
        (ix86_sol10_return_in_memory): Likewise.
        (ix86_i386elf_return_in_memory): Likewise.
        (ix86_i386interix_return_in_memory): Likewise.

2008-05-08  Kai Tietz  <kai.tietz@onevision.com>

        PR bootstrap/36180
        * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
        fndecl argument.
        (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
        * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
        declared in front.

2008-05-08  Richard Guenther  <rguenther@suse.de>

        * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
        * tree-data-ref.h (struct dr_alias): Remove subvars field.
        (DR_SUBVARS): Remove.
        * tree-dfa.c (dump_subvars_for): Remove.
        (debug_subvars_for): Likewise.
        (dump_variable): Do not dump subvars.
        (remove_referenced_var): Do not remove subvars.
        * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
        (lookup_subvars_for_var): Remove.
        (get_subvars_for_var): Likewise.
        (get_subvars_at): Likewise.
        (get_first_overlapping_subvar): Likewise.
        (overlap_subvar): Likewise.
        * tree-flow.h (subvar_t): Remove.
        (struct var_ann_d): Remove subvars field.
        * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
        argument.  Remove special handling of SFTs.
        (compute_tag_properties): Likewise.
        (set_initial_properties): Likewise.
        (compute_call_clobbered): Likewise.
        (count_mem_refs): Likewise.
        (compute_memory_partitions): Likewise.
        (compute_flow_insensitive_aliasing): Likewise.
        (setup_pointers_and_addressables): Likewise.
        (new_type_alias): Likewise.
        (struct used_part): Remove.
        (used_portions): Likewise.
        (struct used_part_map): Likewise.
        (used_part_map_eq): Likewise.
        (used_part_map_hash): Likewise.
        (free_used_part_map): Likewise.
        (up_lookup): Likewise.
        (up_insert): Likewise.
        (get_or_create_used_part_for): Likewise.
        (create_sft): Likewise.
        (create_overlap_variables_for): Likewise.
        (find_used_portions): Likewise.
        (create_structure_vars): Likewise.
        * tree.def (STRUCT_FIELD_TAG): Remove.
        * tree.h (MTAG_P): Adjust.
        (struct tree_memory_tag): Remove base_for_components and
        unpartitionable flags.
        (struct tree_struct_field_tag): Remove.
        (SFT_PARENT_VAR): Likewise.
        (SFT_OFFSET): Likewise.
        (SFT_SIZE): Likewise.
        (SFT_NONADDRESSABLE_P): Likewise.
        (SFT_ALIAS_SET): Likewise.
        (SFT_UNPARTITIONABLE_P): Likewise.
        (SFT_BASE_FOR_COMPONENTS_P): Likewise.
        (union tree_node): Remove sft field.
        * alias.c (get_alias_set): Remove special handling of SFTs.
        * print-tree.c (print_node): Remove handling of SFTs.
        * tree-dump.c (dequeue_and_dump): Likewise.
        * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
        * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
        * tree-predcom.c (set_alias_info): Do not set subvars.
        * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
        * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
        * tree-ssa-operands.c (access_can_touch_variable): Likewise.
        (add_vars_for_offset): Remove.
        (add_virtual_operand): Remove special handling of SFTs.
        (add_call_clobber_ops): Likewise.
        (add_call_read_ops): Likewise.
        (get_asm_expr_operands): Likewise.
        (get_modify_stmt_operands): Likewise.
        (get_expr_operands): Likewise.
        (add_to_addressable_set): Likewise.
        * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
        * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
        * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
        * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
        (tree_code_size): Remove STRUCT_FIELD_TAG handling.
        (tree_node_structure): Likewise.
        * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
        handling of SFTs.
        (find_what_p_points_to): Likewise.

2008-05-08  Sa Liu  <saliu@de.ibm.com>

        * config/spu/spu.md: Fixed subti3 pattern.

2008-05-08  Richard Guenther  <rguenther@suse.de>

        PR middle-end/36154
        * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
        sure to create a representative for trailing arrays for PTA.

2008-05-08  Richard Guenther  <rguenther@suse.de>

        PR middle-end/36172
        * fold-const.c (operand_equal_p): Two objects which types
        differ in pointerness are not equal.

2008-05-08  Kai Tietz  <kai.tietz@onevision.com>

        * calls.c (compute_argument_block_size): Add argument tree fndecl.
        (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
        (emit_library_call_value_1): Add new variable fndecl initialized by
        NULL_TREE. It should be the decl type of orgfun, but this information
        seems not to be available here, so it uses the default calling abi.
        * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
        * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
        by TARGET_RETURN_IN_MEMORY.
        * config/i386/i386-interix.h: Likewise.
        * config/i386/i386.h: Likewise.
        * config/i386/i386elf.h: Likewise.
        * config/i386/ptx4-i.h: Likewise.
        * config/i386/sol2-10.h: Likewise.
        * config/i386/sysv4.h: Likewise.
        * config/i386/vx-common.h: Likewise.
        * config/cris/cris.h: Removed #if 0 clause.
        * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
        * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
        argument.
        (ix86_sol10_return_in_memory): Likewise.
        (ix86_i386elf_return_in_memory): New.
        (ix86_i386interix_return_in_memory): New.
        * config/mt/mt-protos.h (mt_return_in_memory): New.
        * config/mt/mt.c: Likewise.
        * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
        (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
        * config/bfin/bfin.h: Likewise.
        * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
        argument.
        * config/bfin/bfin.c: Likewise.
        * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
        * config/alpha/unicosmk.h: Likewise.
        * config/i386/cygming.h: Likewise.
        * config/iq2000/iq2000.h: Likewise.
        * config/mips/mips.h: Likewise.
        * config/mn10300/mn10300.h: Likewise.
        * config/rs6000/rs6000.h: Likewise.
        * config/score/score.h: Likewise.
        * config/spu/spu.h: Likewise.
        * config/v850/v850.h: Likewise.
        * defaults.h: Likewise.
        * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
        * expr.c (emit_block_move): Adjust use of
        OUTGOING_REG_PARM_STACK_SPACE.
        * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
        OUTGOING_REG_PARM_STACK_SPACE.
        * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.

2008-05-08  Jakub Jelinek  <jakub@redhat.com>

        * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
        on OMP_RETURN for OMP_FOR.

        PR debug/35896
        * dwarf2out.c (dw_expand_expr, common_check): Removed.
        (fortran_common): New function.
        (gen_variable_die): Call fortran_common instead of common_check,
        adjust for it returning tree instead of rtx.  Formatting.

2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>

        PR rtl/7335
        PR rtl/33826
        * see.c (see_copy_insn): Copy new pure const attributes for new call.
        * c-decl.c (merge_decls): Ditto.
        * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
        to RTL_CONST_OR_PURE_CALL_P.
        * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
        Initialized DECL_LOOPING_CONST_PURE.
        (process_call_operands): Set tree_side_effects properly.
        * tree.h (TREE_READONLY_DECL_P): Removed.
        (DECL_IS_PURE): Renamed to DECL_PURE_P.
        (DECL_LOOPING_OR_CONST_P): New macro.
        (struct tree_function_decl): Added looping_const_or_pure_p.
        (ECF_*) Renumbered.
        (ECF_LOOPING_OR_CONST_P): New macro.
        * rtlanal.c (pure_const_p): Removed.
        * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
        * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
        to RTL_CONST_CALL_P.
        * ipa-pure-const.c (pure_const_state_e): Added looping field.
        (check_decl, check_tree, check_call, scan_function): Initialize
        looping.
        (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
        (static_execute): Set looping true for recursive functions.
        Undo setting state to IPA_NEITHER for recursive functions.
        * cse.c (cse_insn): 
        * ifcvt.c (noce_can_store_speculate_p): Changed
        CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or 
        RTL_CONST_OR_PURE_CALL_P.
        * dse.c (scan_insn): Ditto.
        * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
        * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
        RTL_CONST_OR_PURE_CALL_P.
        (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
        pure_call_p to RTL_CONST_CALL_P.
        * gimplify.c (gimplify_call_expr): Clear side effects for
        non-looping pure and constant calls.
        * calls.c (emit_call_1): Set rtl flags from ecf flags.
        (flags_from_decl_or_type): Set ecf flags from decl flags.
        (initialize_argument_information): Turn off
        ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
        Change const to pure if callee_copies is true rather than just
        turning off const.
        (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
        way of marking pure calls.
        (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
        Remove hack that was supposed to fix pr7335 and remove old
        way of marking pure calls.
        * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
        RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
        * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
        RTL_CONST_OR_PURE_CALL_P.
        * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
        * loop-invariant.c (find_exits, find_invariant_bb): Changed
        CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
        * sched-deps.c (schedule_analyze): Ditto.
        * rtl.h (struct rtx_def): Use call field, unchanging field, and
        return_val field of calls to represent pure and const function info.
        (CONST_OR_PURE_CALL_P): Deleted macro.
        (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
        RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
        * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
        TREE_READONLY.
        * tree-optimize.c (execute_fixup_cfg): Added test for
        ECF_LOOPING_CONST_OR_PURE.
        * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
        DECL_PURE_P.
        * tree-cfg.c (update_call_expr_flags): Do not clear tree side
        effects for looping pure or const calls.
        (verify_gimple_expr): Added verification code. 
        * config/alpha/alpha.c (alpha_legitimize_address,
        alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
        RTL_CONST_CALL_P.
        * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
        * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
        * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
        * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
        RTL_CONST_OR_PURE_CALL_P.
        * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
        and const calls to be deleted.

2008-05-07  Uros Bizjak  <ubizjak@gmail.com>

        PR target/35714
        * config/i386/mmx.md (mmx_subv2sf3): New expander.
        (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
        (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
        (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
        to handle nonimmediate operands.
        (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
        (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
        to handle nonimmediate operands.
        (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
        (mmx_pmulhrwv4hi3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
        (sse2_umulv1siv1di3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
        (mmx_eq<mode>3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
        (mmx_uavgv8qi3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
        (mmx_uavgv4hi3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.

        * config/i386/sse.md
        (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
        to handle nonimmediate operands.
        (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
        to handle nonimmediate operands.
        (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
        to handle nonimmediate operands.
        (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
        to handle nonimmediate operands.
        (sse2_unpckhpd_exp): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (sse2_unpcklpd_exp): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
        to handle nonimmediate operands.
        (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
        to handle nonimmediate operands.
        (*sse2_<plusminus_insn><mode>3): Rename from
        sse2_<plusminus_insn><mode>3 insn pattern.
        (sse2_<plusminus_insn><mode>3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
        (sse2_umulv2siv2di3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
        (sse4_1_mulv2siv2di3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
        (sse2_pmaddwd): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
        (sse2_eq<mode>3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
        (sse4_1_eqv2di3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
        (sse2_uavgv16qi3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
        (sse2_uavgv16qi3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
        (sse2_uavgv8hi3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
        (ssse3_pmulhrswv8hi3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
        (ssse3_pmulhrswv4hi3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.

        (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
        (<sse>_vmmul<mode>3): Ditto.
        (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
        (divv2df3): Ditto.
        (ssse3_pmaddubsw128): Use register_operand for operand 1.
        (ssse3_pmaddubsw): Ditto.

        * config/i386/i386.c (struct_builtin_description)
        [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
        [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
        [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
        [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
        [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
        [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
        [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
        [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
        (ix86_fixup_binary_operands): Assert that src1
        and src2 must have the same mode when swapped.
        (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
        and ix86_binary_operator_ok.  Do not force operands in registers
        when optimizing.

2008-05-07  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (dump_cgraph_node): Update.
        * cgraph.h (cgraph_local_info): Break out inline summary.
        * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
        hook.
        * ipa-inline (inline_summary): New accestor function.
        (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
        cgraph_decide_inlining, compute_inline_parameters): Update.
        * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.

2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>

        Cleanup ColdFire scheduling support and add V4 pipeline model.

        * config/m68k/m68k.md (UNSPEC_TIE): New constant.
        (define_attr cpu): Add cfv4 value.
        (define_attr type, define_attr type1): Merge into a single 'type'
        attribute.  Update all uses.
        (define_attr opx_type, define_attr opy_type, define_attr opx_access):
        Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
        Update all uses.
        (define_attr opx_mem, define_attr opy_mem): Remove.
        (define_attr op_mem): Clean up, update comment.
        (define_attr size): Use specific values instead of general int.
        (define_attr guess, define_attr split): Remove.  Update all uses.
        (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
        tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
        movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
        zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
        68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
        floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
        fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
        adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
        add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
        add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
        sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
        sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
        mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
        umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
        mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
        div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
        one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
        bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
        beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
        bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
        symbolic_call_value_jsr, symbolic_call_value_bsr, link):
        Update or set attributes.
        (stack_tie): New fake instruction.

        * config/m68k/m68k.h (TUNE_CFV4): New macro.
        (m68k_sched_attr_size): Update declaration.
        (m68k_sched_attr_type2): Remove.
        (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
        Declare new bypass predicates.

        * config/m68k/m68k.c (m68k_sched_issue_rate,
        m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
        implementations.
        (TARGET_SCHED_ISSUE_RATE,
        TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
        (override_options): Handle scheduling for ColdFire V4 core.
        (m68k_expand_prologue): Emit stack_tie.
        (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
        'OP_TYPE_FPN'.  Update all uses.
        (sched_guess_p): Remove.
        (sched_address_type): Handle symbolic addresses.
        (sched_get_operand): New static function.
        (sched_operand_type): Merge into sched_attr_op_type.
        (sched_attr_op_type): Handle FP registers, handle quick constants,
        update.
        (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
        (m68k_sched_attr_size): Update.  Move logic to ...
        (sched_get_attr_size_int): New static function.
        (sched_get_opxy_mem_type): New static function.
        (m68k_sched_attr_op_mem): Update.
        (m68k_sched_attr_type2): Remove.
        (sched_cfv4_bypass_data): New static variable.
        (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
        (m68k_sched_issue_rate): Implement scheduler hook.
        (struct _sched_ib: enabled_p): New field.
        (m68k_sched_variable_issue): Update.  Handle V4.
        (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
        sched_dump_class_func_t, sched_dump_split_class,
        sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
        sched_dump_dfa_class, m68k_sched_dump): Remove.
        (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
        hook.
        (m68k_sched_init_global): Remove statisctics dumping, introduce
        sanity check that all instructions have pipeline reservations.  Handle
        ColdFire V4 core.
        (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
        Handle ColdFire V4 core.
        (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
        New static functions.
        (m68k_sched_address_bypass_p): New bypass predicate.
        (sched_get_indexed_address_scale): New static function.
        (m68k_sched_indexed_address_bypass_p): New bypass predicate.

        * cf.md: Update comments.
        (define_attr type2): Remove.  Use 'type' attribute instead.
        Update all uses.
        (cf_ib): Rename to cfv123_ib.  Update all uses.
        (cf_oep): Rename to cfv123_oep.  Update all uses.
        (cf_chr): Rename to cfv123_chr.  Update all uses.
        (cf_mem): Rename to cfv123_mem.  Update all uses.
        (cf_mac): Move to more appropriate place.
        (cfv123_guess): New automaton and cpu_unit.
        (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
        Update uses of 'size' attribute.  Handle before reload scheduling.
        (cfv123_guess): New dummy reservation for unhandled instructions.
        (cfv4_*): Pipeline description of ColdFire V4 core.
        (ignore): New reservation to handle 'ignore' type.

2008-05-07  Ian Lance Taylor  <iant@google.com>

        PR middle-end/36013
        * gimplify.c (find_single_pointer_decl_1): Don't look through
        indirections.
        (find_single_pointer_decl): Adjust comments.

2008-05-07  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/36137
        * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
        STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.

        PR middle-end/36106
        * omp-low.c (expand_omp_atomic_pipeline): Load value using the
        integral type rather than floating point, then VIEW_CONVERT_EXPR
        to the floating point type.

2008-05-07  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
        TFmode op0 to register.

2008-05-07  Alan Modra  <amodra@bigpond.net.au>

        * c-decl.c (grokdeclarator): Comment typo.

2008-05-06  Aldy Hernandez  <aldyh@redhat.com>

        * tree-flow.h: Remove prototype for computed_goto_p.
        * tree-cfg.c (computed_goto_p): Make static.

2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/35657
        * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
        (contains_aligned_value_p): This.  Handle _Decimal128.
        (ix86_function_arg_boundary): Only align _Decimal128 to its
        natural boundary and handle it properly.

2008-05-06  Martin Jambor  <mjambor@suse.cz>

        * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
        (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
        (ipcp_method_set_orig_node): Removed.
        (ipcp_cval_get_cvalue_type): Removed.
        (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
        (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
        (ipcp_cval_set_cvalue_type): Removed.
        (ipcp_cval_get_cvalue): Removed.
        (ipcp_cval_set_cvalue): Removed.
        (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
        (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
        (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
        (ipcp_cval_meet): Renamed to ipa_lattice_meet
        (ipcp_cval_changed): Changed to use ipcp_lat_is_const
        (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
        (ipcp_get_ith_lattice): Changed parameters.
        (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
        (ipcp_lattice_from_jfunc): Changed parameters.
        (ipcp_redirect): Local lattice pointer instead of lattice type variable.
        (ipcp_method_cval_print): Added temporary variable info.
        (ipcp_redirect): Removed already unused local variable caller.
        (ipcp_redirect): New temporary variable orig_callee_info
        (ipcp_redirect): Removed newly unused local variable callee.
        (ipcp_redirect): Removed (a bit confusing) local variable type.
        (ipcp_insert_stage): Added local variable info.
        (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters 
        renamed too
        (ipcp_formal_create): Removed.
        (ipcp_method_cval_set): Removed.
        (ipcp_propagate_stage): Renamed lattice variables.
        (ipcp_method_cval_set_cvalue_type): Removed.
        (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
        (ipcp_print_all_lattices): Changed printed strings to refer to 
        lattices rather than cvals.
        (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
        (ipcp_propagate_const): Changed formal parameters.
        (build_const_val): Changed formal parameters.
        (ipcp_insert_stage): Removed useless variable cvalue
        (build_const_val): Changed formal parameters.
        (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
        (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
        (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
        (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
        (ipcp_print_func_profile_counts): Changed string from "method" to 
        "function"
        (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
        (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
        (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
        (ipcp_structures_print): Renamed to ipcp_print_all_structures
        (ipcp_profile_print): Renamed to ipcp_print_profile_data
        (ipcp_lat_is_const): Changed parameters and made inline.
        (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
        (ipcp_redirect): Renamed to ipcp_need_redirect_p
        (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using 
        the predicate condition directly
        (ipcp_propagate_stage): Added local variable args. Removed local
        variable callee.  (Both are mere code simplifications.)
        (ipcp_method_dont_insert_const): Renamed to
        ipcp_node_not_modifiable_p.
        (ipcp_node_not_modifiable_p): Made inline.
        (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
        (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
        (ipcp_print_all_lattices): Removed variable cvalue
        (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
        Updated comments.

2008-05-06  Olivier Hainque  <hainque@adacore.com>

        * tree-sra.c (try_instantiate_multiple_fields): Early return
        if field has POINTER_TYPE.

2008-05-06  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
        by using 'q' specifier for instruction.
        (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.

2008-05-06  Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
        Change mode of zero_extract from QImode to HImode.
        (sign bit tests peepholes): (Ditto.).

2008-05-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/mmx.md: Remove double backslashes from asm templates.
        (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
        (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
        to handle nonimmediate operands.
        (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
        (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
        to handle nonimmediate operands.
        (*mmx_<code>v2sf3_finite): New insn pattern.
        (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
        (mmx_<code>v2sf3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (mmx_<plusminus_insn><mode>3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*mmx_<plusminus_insn><mode>3): New insn pattern.
        (mmx_add<mode>3): Removed.
        (mmx_ssadd<mode>3): Ditto.
        (mmx_usadd<mode>3): Ditto.
        (mmx_sub<mode>3): Ditto.
        (mmx_sssub<mode>3): Ditto.
        (mmx_ussub<mode>3): Ditto.
        (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
        (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
        to handle nonimmediate operands.
        (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
        insn pattern.
        (mmx_smulv4hi3_highpart): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
        insn pattern.
        (mmx_umulv4hi3_highpart): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
        (mmx_<code>v4hi3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
        (mmx_<code>v8qi3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
        (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
        (mmx_<code><mode>3): New expander.  Use
        ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.

2008-05-05  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/36118
        * passes.c (pass_init_dump_file): Fix dump header.

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

        PR middle-end/36141
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
        VCE for function decls.

2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.

2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.md (sat_plusminus): New.
        (plusminus_insn): Likewise.
        (plusminus_mnemonic): Likewise.
        (addsub): Removed.
        (comm): Add ss_plus, us_plus, ss_minus and us_minus.
        (*<addsub><mode>3_cc_overflow): Renamed to ...
        (*<plusminus_insn><mode>3_cc_overflow): This.
        (*<addsub>si3_zext_cc_overflow): Renamed to ...
        (*<plusminus_insn>si3_zext_cc_overflow): This.

        * config/i386/sse.md (<addsub><mode>3): Renamed to ...
        (<plusminus_insn><mode>3): This.
        (*<addsub><mode>3): Renamed to ...
        (*<plusminus_insn><mode>3): This.
        (<sse>_vm<addsub><mode>3): Renamed to ...
        (<sse>_vm<plusminus_insn><mode>3): This.
        (sse3_h<addsub>v4sf3): Renamed to ...
        (sse3_h<plusminus_insn>v4sf3): This.
        (sse3_h<addsub>v2df3): Renamed to ...
        (sse3_h<plusminus_insn>v2df3): This.
        (<plusminus_insn><mode>3): New.
        (*<plusminus_insn><mode>3): Likewise.
        (sse2_<plusminus_insn><mode>3): Likewise.
        (add<mode>): Removed.
        (*add<mode>3): Likewise.
        (sse2_ssadd<mode>3): Likewise.
        (sse2_usadd<mode>3): Likewise.
        (sub<mode>3): Likewise.
        (*sub<mode>3): Likewise.
        (sse2_sssub<mode>3): Likewise.
        (sse2_ussub<mode>3): Likewise.

2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>

        * gthr-single.h: Add in required interface elements as per gthr.h.
        Add stub types for __gthread_key_t, __gthread_once_t. Add defines
        for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
        Generalize UNUSED macro. 
        (__gthread_once): Add.
        (__gthread_key_create): Add.
        (__gthread_key_delete): Add.
        (__gthread_getspecific): Add.
        (__gthread_setspecific): Add.
        
2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>

        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
        the same size types for the indirect reference on the rhs, then
        create a VCE.

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

        * config/i386/i386.md
        (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
        one insn template instead of template series.
        (*xordi_1_rex64): Ditto.
        (*xordi_2_rex64): Ditto.

2008-05-05  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/36119
        * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
        in case of SLP.

2008-06-04  Jan Hubicka  <jh@suse.cz>

        tree-optimization/36100
        * tree-pass.h (pass_O0_always_inline): Declare.
        * ipa-inline.c (inline_transform): Remove dead code.
        (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
        pass_O0_always_inline): New.
        * passes.c (init_optimization_passes): Add pass_O0_always_inline.

2008-05-04  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
        mnemonic in this_param move for TARGET_64BIT.

2008-05-04  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
        (*strmovsi_rex_1): Ditto.
        (*strsetsi_1): Ditto.
        (*strsetsi_rex_1): Ditto.

        (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
        adddicc expanders using SWI mode iterator.

2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/36121
        * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
        argument handling.

2008-05-04  David S. Miller  <davem@davemloft.net>

        * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
        (sparc*-*-linux*): Use linux.h in tm_file.
        (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
        compiler defaulting to 32-bit.
        (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
        no longer needed.
        * config/sparc/linux.h: Remove definitions now obtained
        properly from linux.h
        * config/sparc/linux64.h: Likewise.
        (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
        don't want this setting for 32-bit builds in a biarch compiler.
        * doc/install.texi: Add sparc-linux to list of targets
        supporting --enable-targets=all.

2008-05-03  Andrew Pinski  <pinskia@gmail.com>

        * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.

2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
        after V4SI_FTYPE_V8HI.
        (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
        case V4SI_FTYPE_V2DF.

2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>

        * doc/invoke.texi (max-flow-memory-locations): Removed.
        * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
        
2008-05-03  Richard Guenther  <rguenther@suse.de>

        PR middle-end/34973
        * opts.c (set_Wstrict_aliasing): Handle the turn-off case.

2008-05-02  David S. Miller  <davem@davemloft.net>

        * config.gcc (need_64bit_hwint): Document libcpp dependency.

2008-05-02  Simon Baldwin <simonb@google.com>

        PR bootstrap/36108
        * c-common.h (warn_array_subscript_range): Removed.
        * c-common.c (warn_array_subscript_range): Ditto.
        * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
        * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.

2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_special_builtin_type): New.
        (bdesc_special_args): Likewise.
        (ix86_expand_special_args_builtin): Likewise.
        (ix86_init_mmx_sse_builtins): Updated.
        (ix86_expand_builtin): Updated.
        (ix86_expand_store_builtin): Removed.
        (ix86_expand_unop_builtin): Likewise.

        * config/i386/mm3dnow.h (__v2sf): Moved to ...
        * config/i386/mmintrin.h (__v2sf): Here.

        * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
        const __v2sf.
        (_mm_loadl_pi): Likewise.
        (_mm_storeh_pi): Replace __v2si with __v2sf.
        (_mm_storel_pi): Likewise.

        * doc/extend.texi: Correct __builtin_ia32_loadhps,
        __builtin_ia32_loadlps, __builtin_ia32_storehps,
        __builtin_ia32_storelps, __builtin_ia32_loadhpd and
        __builtin_ia32_loadlpd.

2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
        V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
        (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
        (ix86_init_mmx_sse_builtins): Updated.
        (ix86_expand_args_builtin): Likewise.
        (ix86_expand_builtin): Likewise.
        (ix86_expand_unop1_builtin): Renamed to ...
        (ix86_expand_unop_vec_merge_builtin): This.

2008-05-01  Jan Hubicka  <jh@suse.cz>

        PR bootstrap/36100
        * ipa-inline.c (inline_generate_summary): Make static.
        (inline_transform): Do not call inlining at -O0; make static.
        * passes.c (execute_todo): Add sanity check.
        (execute_one_ipa_transform_pass): Execute proper flags.

2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
        (DECL_NONADDRESSABLE_P): Likewise.
        * alias.c (record_component_aliases): Fix comment.

2008-05-01  Simon Baldwin <simonb@google.com>

        * c-common.h (warn_array_subscript_range): New function.
        * c-common.c (warn_array_subscript_range): Ditto.
        * tree-vrp.c (check_array_ref): Corrected code to agree with
        comment, ignoring only arrays of size 0 or size 1.
        * c-typeck.c (build_array_ref): Call warn_array_subscript_range.

2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_builtin_type): Replace
        DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
        (bdesc_args): Updated.
        (ix86_init_mmx_sse_builtins): Likewise.
        (ix86_expand_args_builtin): Likewise.

        * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
        with __v1di.

        * doc/extend.texi: Correct __builtin_ia32_palignr.

2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/36095
        * config/i386/i386.c (bdesc_crc32): Removed.
        (ix86_expand_crc32): Likewise.
        (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
        V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
        V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
        UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
        UINT_FTYPE_UINT_UCHAR.
        (bdesc_args): Updated. Add crc32 builtins.
        (ix86_init_mmx_sse_builtins): Updated.
        (ix86_expand_args_builtin): Updated to support subreg.

        * doc/extend.texi: Correct __builtin_ia32_crc32di.

2008-05-01  Jan Hubicka  <jh@suse.cz>

        * tree-pass.h (opt_pass): Add IPA_PASS.
        (varpool_node, cgraph_node): Forward declare.
        (ipa_opt_pass): Define.
        (pass_ipa_inline): Turn into ipa_opt_pass.
        (pass_apply_inline): Remove.
        * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
        (apply_inline): Turn into ....
        (inline_transform): ... this one.
        (inline_generate_summary): New function.
        (pass_apply_inline): Remove.
        * function.h (ipa_opt_pass): Forward declare structure; typedef;
        vector.
        (struct function): Add ipa_transforms_to_apply.
        * passes.c (register_one_dump_file): Work on IPA_PASS.
        (init_optimization_passes): Remove pass_inline_parameters and
        pass_apply_inline.
        (pass_init_dump_file, pass_fini_dump_file): Break out from ....
        (execute_one_pass) ... here; apply transforms when possible.
        (add_ipa_transform_pass, execute_ipa_summary_asses,
        execute_one_ipa_transform_pass): New.
        (execute_ipa_pass_list): Update for IPA_PASS type.

2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_builtin_type): Add
        V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
        V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
        (bdesc_args): Add SSE4a builtins.
        (ix86_init_mmx_sse_builtins): Updated.
        (ix86_expand_args_builtin): Likewise.
        (ix86_expand_builtin): Likewise.

2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_builtin_type): Add
        V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
        V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
        V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
        V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
        V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
        V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
        V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
        V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
        and DI_FTYPE_DI_DI_INT.
        (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
        (ix86_init_mmx_sse_builtins): Updated.
        (ix86_expand_args_builtin): Likewise.
        (ix86_expand_builtin): Likewise.
        (ix86_expand_binop_imm_builtin): Removed.

        * doc/extend.texi: Correct __builtin_ia32_palignr128.

2008-04-30  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/32921
        * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.

2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/arm/arm.c (arm_unwind_emit): Use
        crtl->all_throwers_are_sibcalls instead of
        cfun->all_throwers_are_sibcalls.
        (arm_output_fn_unwind): Likewise.
        * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
        instead of cfun->uses_pic_offset_table.
        (frv_expand_prologue): Likewise.
        (frv_frame_pointer_required): Likewise.
        (frv_expand_fdpic_call): Likewise.
        (frv_emit_movsi): Likewise.
        * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
        cfun->returns_pcc_struct instead of
        current_function_returns_pcc_struct.
        * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
        instead of cfun->calls_eh_return.
        (m32c_pushm_popm): Likewise.
        * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
        "extern" declaration.

2008-04-30  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/21636
        * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
        constant address.
        (evaluate_stmt): Print the likely value.
        (ccp_visit_stmt): Avoid excessive vertical spacing.

2008-04-30  Rafael Espindola  <espindola@google.com>

        * builtins.c (fold_call_expr): Return realret.
        * tree-ssa-threadedge.c
        (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
        __builtin_object_size.

2008-04-30  Seongbae Park  <seongbae.park@gmail.com>

        * gcc.c (wrapper_string): New variable.
        (insert_wrapper): New function.
        (execute): New option -wrapper.
        * doc/invoke.texi (Overall Options): New driver option -wrapper.

2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>

        * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
        config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
        config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
        from...
        * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
        * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
        config/rs6000/e500crtres64gprctr.asm,
        config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
        config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
        config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
        config/rs6000/e500crtsav64gprctr.asm,
        config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
        config/rs6000/e500crtsavg64gprctr.asm: New files.
        * config/rs6000/t-ppccomm: Add build rules for new files.
        (LIB2FUNCS_STATIC_EXTRA): Add new files.
        * config/rs6000/t-netbsd: Add build rules for new files.
        (LIB2FUNCS_STATIC_EXTRA): New variable.
        * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
        (CRTSAVRES_DEFAULT_SPEC): Likewise.
        * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.

2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_builtin_type): Add
        FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
        V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
        V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
        V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
        V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
        V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
        V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
        V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
        V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
        V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
        V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
        V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
        V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
        V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
        V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
        V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
        V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
        V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
        V1DI_FTYPE_V2SI_V2SI.
        (bdesc_2arg): Moved to ...
        (bdesc_args): Here.
        (ix86_init_mmx_sse_builtins): Updated.
        (ix86_expand_args_builtin): Updated.  Take a pointer
        to const struct builtin_description.  Handle comparison
        builtin functions.
        (ix86_expand_sse_compare): Take a new argument for swapping operands.
        (ix86_expand_builtin): Updated.

        * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
        (ssse3_pmaddubsw128): This.
        (ssse3_pmaddubswv4hi3): Renamed to ...
        (ssse3_pmaddubsw): This.

        * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
        (__builtin_ia32_packssdw128): Likewise.
        (__builtin_ia32_packuswb128): Likewise.
        (__builtin_ia32_pmaddubsw): Likewise.
        (__builtin_ia32_pmaddubsw128): Likewise.

2008-04-30  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/14847
        * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
        (recognize_bits_test): Use it.
        (recognize_single_bit_test): Likewise.

2008-04-30  Martin Jambor  <mjambor@suse.cz>

        * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
        instead of setting number of formal parameters to zero.
        (ipcp_init_stage): Do not set the number of actual parameters to zero 
        either.
        (ipcp_propagate_stage): Explicitly skipping all calls to nodes
        which are called with variable number of arguments.
        (ipcp_insert_stage): Explicitely skipping all nodes which are
        called with variable number of arguments.
        (ipcp_callsite_param_print): Skipps callsites to nodes with varaible 
        number of parameters.

        * ipa-prop.h (struct ipa_node_params): Added flag
        called_with_var_arguments
        (ipa_set_param_count): Added.  Changed sole setter to use it.
        (ipa_get_param_count): Added.  All readers of param_count
        converted to use it instead.
        (ipa_set_called_with_variable_arg): Added.
        (ipa_is_called_with_var_arguments): Added.
        (ipa_get_ith_param): Added.  All readers of param_decls converted
        to use it instead.
        (ipa_set_cs_argument_count): Added, sole writer to argument_count 
        changed to use it. 
        (ipa_get_cs_argument_count): Added, all readers of argument_count
        changed to cal it.
        (ipa_get_ith_jump_func): Added. Accessors of jump values changed 
        to use it.
        
        * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
        (struct ipcp_lattice): Renamed cval_type to type
        (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices

        * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
        (ipcp_cval_set_cvalue): Changed type of parameter value to tree
        (ipcp_insert_stage): Changed the type of variable cvalue to tree
        (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
        (build_const_val): Changed the type of parameter cvalue to tree
        (ipcp_propagate_const): Changed the type of parameter cvalue to tree
        (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
        
        * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called 
        constant 

        * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
        (ipa_methodlist_not_empty): Removed, the sole user now checks directly
        (ipa_add_method): Renamed to ipa_push_func_to_list
        (ipa_remove_method): Renamed to ipa_pop_func_from_list
        (ipa_callsite_param_count): Removed.
        (ipa_callsite_param_count_set): Removed.
        (ipa_callsite_param): Removed.
        (ipa_callsite_callee): Removed.
        (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
        (ipa_callsite_compute_count): Renamed to ipa_count_arguments
        (ipa_method_formal_count): Removed.
        (ipa_method_formal_count_set): Removed.
        (ipa_method_get_tree): Removed.
        (ipa_method_tree_map_create): Removed.
        (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
        (ipa_create_param_decls_array): Creates the array itself
        (ipa_create_param_decls_array): Temporary variable info instead of 
        a few dereferences.
        (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
        (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
        (get_type): Removed.
        (ipa_jf_get_info_type): Removed.
        (ipa_node_create): Renamed to ipa_create_node_params
        (ipa_free): Renamed to ipa_free_all_node_params
        (ipa_nodes_create): Renamed to ipa_create_all_node_params
        (ipa_edges_create): Renamed to ipa_create_all_edge_args
        (ipa_edges_free): Renamed to ipa_free_all_edge_args
        (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
        (ipa_free_all_node_params): Deallocation to jump_functions moved to 
        ipa_free_all_edge_args
        (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
        (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
        (ipa_create_methodlist_node): Removed.
        (ipa_methodlist_method): Removed.
        (ipa_methodlist_method_set): Removed.
        (ipa_methodlist_next_method): Removed.
        (ipa_methodlist_next_method_set): Removed.
        (ipa_method_is_modified): Removed.
        (ipa_method_modify_create): Removed.
        (ipa_method_modify_init): Temporary variable info instead of a few 
        dereferences.
        (ipa_detect_param_modifications): Temporary variable info instead of 
        a few dereferences.
        (ipa_compute_jump_functions): Temporary variable info instead of 
        a few dereferences.
        (ipa_method_modify_set): Removed.
        (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
        (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather 
        than craph_node as the first parameter.
        (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
        (ipa_method_modify_init): Removed.
        (ipa_compute_jump_functions): Added a temp variable instead of 
        repeatadly dereferencing the cgraph_edge.aux pointer
        (ipa_callsite_param_set_type): Removed.
        (ipa_compute_jump_functions): i renamed to index and moved to 
        an inner block
        (ipa_callsite_param_set_info_type_formal): Removed.
        (ipa_callsite_param_set_info_type): Removed.
        (ipa_callsite_param_map_create): Removed.
        (ipa_callsite_tree): Removed.
        (ipa_callsite_caller): Removed.
        (ipa_pop_func_from_list): return_method removed to return_func

        * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
        prefixed all values with IPA_. Changed all users.
        (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN, 
        CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF 
        and FORMAL_IPATYPE IPA_PASS_THROUGH. 
        (union parameter_info): Renamed to jump_func_value.
        (union jump_func_value): Renamed value to constant
        (struct ipa_jump_func): Renamed info_type to value
        (struct ipa_node): Renamed to ipa_node_params
        (struct ipa_node_params): Renamed ipa_arg_num to param_count
        (struct ipa_node_params): Renamed ipa_param_tree to param_decls
        (struct ipa_node_params): Renamed ipa_mod to modified_flags
        (struct ipa_edge): Renamed to ipa_edge_args
        (struct ipa_edge_args): Renamed ipa_param_num to argument_count
        (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
        (struct ipa_methodlist): Renamed to ipa_func_list
        (struct ipa_func_list): method_p renamed to node, next_method
        renamed to next
        (ipa_methodlist_p): Removed, switched all users to struct pointer
        (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX

2008-04-30  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
        (rs6000_emit_epilogue): Use backchain to restore only when we
        have a large frame.  Make use of frame pointer to restore if we
        have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.

2008-04-29  Paolo Bonzini  <bonzini@gnu.org>

        * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
        Add mode to zero_extract.
        (sign bit tests peepholes): (Ditto.).

2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_builtins): Replace Prescott New
        Instructions in comments with SSE3.
        (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
        INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
        INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
        V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
        V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
        V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
        V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
        V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
        V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
        V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
        V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
        V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
        (bdesc_sse_args): Renamed to ...
        (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
        IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
        IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
        IX86_BUILTIN_FABSQ.
        (bdesc_1arg): Moved to ...
        (bdesc_args): Here.
        (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
        Instructions in comments with SSE3.
        (ix86_expand_sse_operands_builtin): Renamed to ...
        (ix86_expand_args_builtin): This.  Updated.
        (ix86_expand_unop1_builtin): Update comments.
        (ix86_expand_builtin): Updated.

2008-04-29  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36078
        * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
        Update virtual SSA form after cleaning up the CFG.

2008-04-29  Richard Guenther  <rguenther@suse.de>

        PR middle-end/15255
        * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.

2008-04-29  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
        (compute_may_aliases): Do not call finalize_ref_all_pointers.
        (compute_flow_insensitive_aliasing): Do not treat
        PTR_IS_REF_ALL pointers special.
        (get_smt_for): Likewise.
        (may_alias_p): Re-structure.
        (is_escape_site): A ref-all pointer conversion is not an escape site.
        * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
        PTR_IS_REF_ALL pointers special.
        * tree-ssa-structalias.h (struct alias_info): Remove
        ref_all_symbol_mem_tag field.
        (PTR_IS_REF_ALL): Remove.

2008-04-29  Richard Guenther  <rguenther@suse.de>

        PR middle-end/36077
        * fold-const.c (extract_muldiv_1): In combining division constants
        make sure to never overflow.

2008-04-29  Nick Clifton  <nickc@redhat.com>

        * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.

2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR bootstrap/35169
        * optc-gen.awk: Work around HP-UX/IA awk bug.

2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
        2008-04-25 commit.

2008-04-28  Uros Bizjak  <ubizjak@gmail.com>

        PR target/36073
        * config/i386/i386.md
        (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
        Change operand 1 predicate to nonimmediate_operand.

2008-04-28  Jakub Jelinek  <jakub@redhat.com>

        PR debug/36060
        * dwarf2out.c (struct die_struct): Mark as chain_circular through
        die_sub field.
        * gengtype.c (walk_type, write_func_for_structure): Handle
        chain_circular.
        * doc/gty.texi: Document chain_circular.

2008-04-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36066
        * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
        SCEV and loop.

2008-04-28  Uros Bizjak  <ubizjak@gmail.com>

        PR target/36064
        * config/i386/i386.md
        (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
        Use match_scratch instead of match_operand for operands 3 and 4.

2008-04-27  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/18754
        PR tree-optimization/34223
        * tree-pass.h (pass_complete_unrolli): Declare.
        * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
        loop size before and after unconditionally of UL_NO_GROWTH in effect.
        Rewrite loop into loop closed SSA form if it is not already.
        (tree_unroll_loops_completely): Re-structure to iterate over
        innermost loops with intermediate CFG cleanups.
        Unroll outermost loops only if requested or the code does not grow
        doing so.
        * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
        loops are available.
        (tree_vectorize): Instead do so here.
        (tree_complete_unroll): Also unroll outermost loops.
        (tree_complete_unroll_inner): New function.
        (gate_tree_complete_unroll_inner): Likewise.
        (pass_complete_unrolli): New pass.
        * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
        uses outside of the loop.
        (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
        form if it is available.  
        * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
        * passes.c (init_optimization_passes): Schedule complete inner
        loop unrolling pass before the first CCP pass after final inlining.

2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>

        * targhooks.h (default_emutls_var_fields,
        default_emutls_var_init): Declare.
        * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
        * target.h (struct gcc_target): Add struct emutls member.
        * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
        TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
        TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
        TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
        TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
        TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
        (TARGET_INITIALIZER): Add TARGET_EMUTLS.
        * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
        BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
        * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
        emit debug information.
        * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
        * varasm.c: Include targhooks.h.
        (emutls_object_section, emutls_tmpl_section): New.
        (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
        (EMUTLS_SEPARATOR): New.
        (prefix_name): New.
        (get_emutls_object_name): New.
        (default_emutls_var_fields): New, broken out of ...
        (get_emutls_object_type): ... here.  Adjust to use target hooks.
        (get_emutls_init_templ_addr): Adjust to use target hooks.
        (emutls_decl): Adjust to use target hooks.
        (emutls_finish): Likewise.
        (default_emutls_var_init): New, broken out of ...
        (assemble_variable): ... here.  Adjust to use target hooks.
        * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
        SECCAT_EMUTLS_TMPL.
        * c-common.c (handle_section_attribute): Prevent overriding
        sections for emulated tls with special sections.
        * config/i386/i386.c (x86_64_elf_select_section): Add
        SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
        (x86_64_elf_unique_section): Likewise.
        * config/vxworks.c: Include tree.h.
        (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
        (vxworks_override_options): Set TLS scheme.
        * doc/tm.texi (Emulated TLS): New node.

2008-04-26  Simon Baldwin <simonb@google.com>

        PR c/35652
        * builtins.c (c_strlen): Suppressed multiple warnings that can occur
        with propagated string constants.

2008-04-26  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
        constraint for operand 2 when operand 0 is memory operand.
        (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
        operand 0 is memory operand.
        (fix_trunc<mode>_i387_with_temp): Ditto.
        (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
        operand 2 when operand 1 is memory operand.
        (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
        (*floatsi<mode>2_vector_sse_with_temp): Ditto.
        (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
        (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
        (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
        operands 2,3 and 4 when operand 1 is memory operand.
        (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
        is memory operand.
        (fistdi2_floor_with_temp): Ditto.
        (fist<mode>2_floor_with_temp): Ditto.
        (fistdi2_ceil_with_temp): Ditto.
        (fist<mode>2_ceil_with_temp): Ditto.
        (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.

2008-04-26  David Daney  <ddaney@avtrex.com>

        * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
        unspec_volitile.
        (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
        UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
        UNSPEC_UPDATE_GOT_VERSION): Renumber.
        (sync_compare_and_swap<mode>): New expand for QI and HI modes.
        (compare_and_swap_12): New insn.
        * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
        * config/mips/mips.c (mips_force_binary): New function.
        (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
        (mips_expand_compare_and_swap_12): New function.
        * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.

2008-04-25  Jan Hubicka  <jh@suse.cz>

        PR testsuite/35843
        * cfgexpand.c (pass_expand): Turn into RTL pass.
        * passes.c (execute_one_pass): Do pass typechecking after execution.
        * tree-pass.h (pass_expand): Turn into RTL pass.

        * function.h (struct rtl_data): Move here fields
        accesses_prior_frames, calls_eh_return, saves_all_registers,
        has_nonlocal_goto, has_asm_statement, is_thunk,
        all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
        uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
        arg_pointer_save_area_init from struct function; turn into bool.
        (struct function): Move
        calls_eh_return, saves_all_registers, has_nonlocal_goto,
        has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
        profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
        tail_call_emit, arg_pointer_save_area_init
        into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
        (current_function_returns_struct, current_function_returns_pcc_struct,
        current_function_calls_setjmp, current_function_calls_alloca,
        current_function_accesses_prior_frames,
        current_function_calls_eh_return, current_function_is_thunk,
        current_function_stdarg, current_function_profile,
        current_function_limit_stack, current_function_uses_pic_offset_table,
        current_function_uses_const_pool, current_function_has_nonlocal_label,
        current_function_saves_all_registers,
        current_function_has_nonlocal_goto,
        current_function_has_asm_statement): Remove accesor macros.
        * ra-conflict.c (global_conflicts): Update.
        * tree-tailcall.c (suitable_for_tail_opt_p): Update.
        (suitable_for_tail_call_opt_p): Update.
        * builtins.c (expand_builtin_return_addr): Update.
        (expand_builtin_setjmp_setup): Update.
        (expand_builtin_nonlocal_goto): Update.
        * final.c (final_start_function): Update.
        (profile_function): Update.
        (leaf_function_p): Update.
        (only_leaf_regs_used): Update.
        * df-scan.c (df_get_exit_block_use_set): Update.
        * dojump.c (clear_pending_stack_adjust): Update.
        * tree-stdarg.c (gate_optimize_stdarg): Update.
        * gimple-low.c (lower_function_body): Update.
        * global.c (compute_regsets): Update.
        (global_alloc): Update.
        * dwarf2out.c (dwarf2out_begin_prologue): Update.
        * expr.c (expand_assignment): Update.
        * dse.c (dse_step0): Update.
        (dse_step1): Update.
        * c-decl.c (store_parm_decls): Update.
        * local-alloc.c (combine_regs): Update.
        (find_free_reg): Update.
        * function.c (assign_parms_augmented_arg_list): Update.
        (assign_parm_find_data_types): Update.
        (assign_parms): Update.
        (allocate_struct_function): Update.
        (expand_function_start): Update.
        (expand_function_end): Update.
        (get_arg_pointer_save_area): Update.
        (thread_prologue_and_epilogue_insns): Update.
        (rest_of_match_asm_constraints): Update.
        * stor-layout.c (variable_size): Update.
        * gcse.c (gcse_main): Update.
        (bypass_jumps): Update.
        * gimplify.c (gimplify_function_tree): Update.
        * calls.c (emit_call_1): Update.
        (expand_call): Update.
        * bt-load.c (compute_defs_uses_and_gen): Update.
        * except.c (sjlj_assign_call_site_values): Update.
        (sjlj_emit_function_enter): Update.
        (can_throw_external): Update.
        (set_nothrow_function_flags): Update.
        (expand_builtin_unwind_init): Update.
        (expand_eh_return): Update.
        (convert_to_eh_region_ranges): Update.
        (output_function_exception_table): Update.
        * emit-rtl.c (gen_tmp_stack_mem): Update.
        * cfgexpand.c (expand_used_vars): Update.
        (tree_expand_cfg): Update.
        * cfgcleanup.c (rest_of_handle_jump): Update.
        * explow.c (allocate_dynamic_stack_space): Update.
        * varasm.c (assemble_start_function): Update.
        (force_const_mem): Update.
        (mark_constant_pool): Update.
        * tree-optimize.c (tree_rest_of_compilation): Update.
        * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
        * tree-cfg.c (notice_special_calls): Update.
        (is_ctrl_altering_stmt): Update.
        (tree_can_make_abnormal_goto): Update.
        (tree_purge_dead_abnormal_call_edges): Update.
        * config/alpha/predicates.md: Update.
        * config/alpha/alpha.c (alpha_sa_mask): Update.
        (alpha_sa_size): Update.
        (alpha_does_function_need_gp): Update.
        (alpha_expand_prologue): Update.
        (alpha_start_function): Update.
        (alpha_output_function_end_prologue): Update.
        (alpha_expand_epilogue): Update.
        * config/frv/frv.c (frv_stack_info): Update.
        (frv_expand_epilogue): Update.
        * config/s390/s390.c (s390_regs_ever_clobbered): Update.
        (s390_register_info): Update.
        (s390_frame_info): Update.
        (s390_init_frame_layout): Update.
        (s390_can_eliminate): Update.
        (save_gprs): Update.
        * config/spu/spu.c (spu_split_immediate): Update.
        (need_to_save_reg): Update.
        (spu_expand_prologue): Update.
        (spu_expand_epilogue): Update.
        * config/sparc/sparc.md: Update.
        * config/sparc/sparc.c (eligible_for_return_delay): Update.
        (sparc_tls_got): Update.
        (legitimize_pic_address): Update.
        (sparc_emit_call_insn): Update.
        (sparc_expand_prologue): Update.
        (output_return): Update.
        (print_operand): Update.
        (sparc_function_ok_for_sibcall): Update.
        * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
        * config/m32r/m32r.md: Update.
        * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
        (m32r_compute_frame_size): Update.
        (m32r_expand_prologue): Update.
        (m32r_expand_epilogue): Update.
        (m32r_legitimize_pic_address): Update.
        * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
        * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
        * config/i386/i386.c (ix86_frame_pointer_required): Update.
        (gen_push): Update.
        (ix86_save_reg): Update.
        (ix86_compute_frame_layout): Update.
        (ix86_expand_prologue): Update.
        (ix86_expand_epilogue): Update.
        * config/sh/sh.c (output_stack_adjust): Update.
        (calc_live_regs): Update.
        (sh5_schedule_saves): Update.
        (sh_expand_prologue): Update.
        (sh_expand_epilogue): Update.
        (sh_setup_incoming_varargs): Update.
        (sh_allocate_initial_value): Update.
        (sh_get_pr_initial_val): Update.
        * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
        * config/sh/sh.md (label:): Update.
        * config/avr/avr.c (out_movhi_mr_r): Update.
        * config/crx/crx.h (enum): Update.
        * config/xtensa/xtensa.h (along): Update.
        * config/stormy16/stormy16.c Update.
        (xstormy16_compute_stack_layout): Update.
        * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
        (fr30_expand_prologue): Update.
        * config/cris/cris.c (cris_conditional_register_usage): Update.
        (cris_reg_saved_in_regsave_area): Update.
        (cris_initial_frame_pointer_offset): Update.
        (cris_simple_epilogue): Update.
        (cris_expand_prologue): Update.
        (cris_expand_epilogue): Update.
        (cris_expand_pic_call_address): Update.
        (cris_asm_output_symbol_ref): Update.
        (cris_asm_output_label_ref): Update.
        * config/cris/cris.md Update.
        * config/iq2000/iq2000.c (compute_frame_size): Update.
        (iq2000_expand_epilogue): Update.
        * config/mt/mt.h (save_direction): Update.
        * config/mn10300/mn10300.c (mn10300_function_value): Update.
        * config/ia64/ia64.c (ia64_compute_frame_size): Update.
        (ia64_secondary_reload_class): Update.
        * config/m68k/m68k.c (m68k_save_reg): Update.
        (m68k_expand_prologue): Update.
        (m68k_expand_epilogue): Update.
        (legitimize_pic_address): Update.
        * config/rs6000/rs6000.c (rs6000_got_register): Update.
        (first_reg_to_save): Update.
        (first_altivec_reg_to_save): Update.
        (compute_vrsave_mask): Update.
        (compute_save_world_info): Update.
        (rs6000_stack_info): Update.
        (spe_func_has_64bit_regs_p): Update.
        (rs6000_ra_ever_killed): Update.
        (rs6000_emit_eh_reg_restore): Update.
        (rs6000_emit_allocate_stack): Update.
        (rs6000_emit_prologue): Update.
        (rs6000_emit_epilogue): Update.
        (rs6000_output_function_epilogue): Update.
        (output_profile_hook): Update.
        (rs6000_elf_declare_function_name): Update.
        * config/rs6000/rs6000.h (rs6000_args): Update.
        * config/rs6000/rs6000.md: Update.
        * config/mcore/mcore.c (mcore_expand_prolog): Update.
        * config/arc/arc.c (arc_output_function_epilogue): Update.
        * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
        * config/darwin.c (machopic_function_base_name): Update.
        * config/score/score3.c (score3_compute_frame_size): Update.
        (rpush): Update.
        (rpop): Update.
        (score3_epilogue): Update.
        * config/score/score7.c (score7_compute_frame_size): Update.
        (score7_prologue): Update.
        (score7_epilogue): Update.
        * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
        * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
        * config/arm/arm.c (use_return_insn): Update.
        (require_pic_register): Update.
        (arm_load_pic_register): Update.
        (arm_compute_save_reg0_reg12_mask): Update.
        (arm_compute_save_reg_mask): Update.
        (thumb1_compute_save_reg_mask): Update.
        (output_return_instruction): Update.
        (arm_output_function_prologue): Update.
        (arm_output_epilogue): Update.
        (arm_get_frame_offsets): Update.
        (arm_expand_prologue): Update.
        (thumb_pushpop): Update.
        (thumb_exit): Update.
        (thumb1_expand_prologue): Update.
        (thumb1_expand_epilogue): Update.
        (arm_unwind_emit): Update.
        (arm_output_fn_unwind): Update.
        * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
        * config/arm/arm.md: Update.
        * config/pa/pa.md: Update.
        * config/pa/pa.c (legitimize_pic_address): Update.
        (compute_frame_size): Update.
        (hppa_expand_prologue): Update.
        (hppa_expand_epilogue): Update.
        (borx_reg_operand): Update.
        * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
        (HARD_REGNO_RENAME_OK): Update.
        * config/mips/mips.c (mips_global_pointer): Update.
        (mips_save_reg_p): Update.
        (mips_compute_frame_info): Update.
        (mips_frame_pointer_required): Update.
        (mips_expand_prologue): Update.
        (mips_expand_epilogue): Update.
        (mips_can_use_return_insn): Update.
        (mips_reorg_process_insns): Update.
        * config/v850/v850.c (compute_register_save_size): Update.
        * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
        * config/mmix/mmix.c (along): Update.
        (mmix_expand_epilogue): Update.
        * config/bfin/bfin.c (legitimize_pic_address): Update.
        (must_save_p): Update.
        (stack_frame_needed_p): Update.
        (add_to_reg): Update.
        (bfin_expand_prologue): Update.
        * stmt.c (expand_asm_operands): Update.
        * reload1.c (reload): Update.
        (init_elim_table): Update.

2008-04-25  Bob Wilson  <bob.wilson@acm.org>
        
        * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
        
2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
        (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
        (mov<mode>): Removed.
        (*movv4sf_internal): Likewise.
        (*movv2df_internal): Likewise.

2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>

        * config.gcc (crx-*-elf): Remove deprecation.

2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/cygming-crtend.c (register_frame_ctor): Register
        __gcc_deregister_frame with atexit.
        (deregister_frame_dtor): Remove.

2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
            Nathan Sidwell  <nathan@codesourcery.com>

        * config/rs6000/rs6000.opt (mspe): Remove Var property.
        (misel): Likewise.
        * config/rs6000/rs6000.h (rs6000_spe): Declare.
        (rs6000_isel): Likewise.
        * config/rs6000/rs6000.c (rs6000_spe): New variable.
        (rs6000_isel): New variable.
        (rs6000_handle_option): Handle OPT_mspe and OPT_misel.

2008-04-24  Jakub Jelinek  <jakub@redhat.com>

        PR c++/35758
        * c-common.c (handle_vector_size_attribute): Call
        lang_hooks.types.reconstruct_complex_type instead of
        reconstruct_complex_type.
        * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
        * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
        * langhooks.h (struct lang_hooks_for_types): Add
        reconstruct_complex_type hook.
        * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
        (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.

2008-04-24  Richard Guenther  <rguenther@suse.de>

        * c-common.h (check_builtin_function_arguments): Declare.
        * c-common.c (validate_nargs): New function.
        (check_builtin_function_arguments): Likewise.
        * c-typeck.c (build_function_call): Call
        check_builtin_function_arguments.
        * builtins.c (fold_builtin_classify): Remove error reporting code.
        (fold_builtin_unordered_cmp): Likewise.
        (fold_builtin_1): Likewise.
        (fold_builtin_n): Likewise.

2008-04-24  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/36008
        * fold-const.c (try_move_mult_to_index): If s == NULL, divide
        the original op1, rather than delta by step.

2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
            Sebastian Pop  <sebastian.pop@amd.com>

        * tree-parloops.c (take_address_of, eliminate_local_variables_1,
        eliminate_local_variables_stmt, eliminate_local_variables,
        separate_decls_in_loop_name, separate_decls_in_loop_stmt,
        separate_decls_in_loop, gen_parallel_loop): Make them work on a region
        of code delimited by two edges in the CFG.
        (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
        (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
        (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate 
        the case of parallelisation of reductions.
        (expr_invariant_in_region_p): New.

        * tree-flow.h (gather_blocks_in_sese_region): Declared.
        * tree-cfg.c (gather_blocks_in_sese_region): Extern.

2008-04-24  Ira Rosen  <irar@il.ibm.com>
            Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36034
        * tree-vect-analyze.c (vect_analyze_group_access): SLP is
        incapable of dealing with loads with gaps.

2008-04-24  Rafael Espindola  <espindola@google.com>

        * tree-flow.h (vrp_evaluate_conditional): Change signature.
        * tree-ssa-propagate.c (fold_predicate_in): Update call to
        vrp_evaluate_conditional.
        * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
        (vrp_evaluate_conditional): Split the cond argument.
        (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
        (simplify_stmt_for_jump_threading): Update call to
        vrp_evaluate_conditional.

2008-04-24  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/35982
        * tree-vect-analyze.c (vect_check_interleaving): Check that the
        interleaved data-refs are of the same type.

2008-04-24  Danny Smith  <dannysmith@users.net>

        * c-format.c (check_format_info_main): Use strncmp rather than a
        magic prefix to handle multichar length specs.
        * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
        Don't prefix "I64" and "I32" with '\0'.

2008-04-24  Jakub Jelinek  <jakub@redhat.com>

        PR target/36015
        * config/i386/i386.c (init_cumulative_args): Don't pass anything
        in registers for -m32 only if stdarg_p (fntype).

2008-04-24  Uros Bizjak  <ubizjak@gmail.com>

        PR rtl-optimization/36006
        * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
        temp to op0 in order to avoid invalid rtx sharing.

2008-04-23  Paolo Bonzini  <bonzini@gnu.org>

        * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
        check TREE_INVARIANT.
        * tree-gimple.c (is_gimple_address): New.
        (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
        * tree-gimple.h (is_gimple_address): New.
        * tree.h (decl_address_invariant_p): New.
        * tree.c (make_node_stat): Don't set TREE_INVARIANT.
        (build_string): Likewise.
        (decl_address_invariant_p): New, from is_gimple_invariant_address.
        (tree_invariant_p_1): Likewise.
        (save_expr): Use it.
        (tree_invariant_p): New.
        (skip_simple_arithmetic): Use it.
        (stabilize_reference_1): Use it.
        (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
        simplify.
        (build1_stat): Drop code to compute TREE_INVARIANT.
        (build2_stat): Drop code to compute TREE_INVARIANT.
        (build3_stat): Drop code to compute TREE_INVARIANT.
        (build4_stat): Drop code to compute TREE_INVARIANT.
        (build5_stat): Drop code to compute TREE_INVARIANT.
        (build7_stat): Drop code to compute TREE_INVARIANT.
        (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
        * tree.h (struct tree_base): Remove invariant_flag.
        (TREE_INVARIANT): Remove.
        * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
        (fold_builtin_expect): Check TREE_CONSTANT.
        * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
        * c-tree.h (c_expr_to_decl): Drop third parameter.
        * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
        (build_c_cast): Don't set TREE_INVARIANT.
        (pop_init_level): Don't set TREE_INVARIANT.
        (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
        * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
        TREE_CONSTANT.
        (gimplify_init_constructor): Don't set TREE_INVARIANT.
        (gimplify_addr_expr): Adjust comment.
        * tree-mudflap.c (mf_build_string):
        * print-tree.c (print_node): Don't print TREE_INVARIANT.
        * tree-nested.c (convert_nonlocal_reference): Adjust comment.
        * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
        * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
        * langhooks.c (lhd_expr_to_decl): Drop third parameter.
        * langhooks.h (struct lang_hooks): Drop third parameter from
        expr_to_decl.

2008-04-23  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/27799
        PR tree-optimization/32921
        PR tree-optimization/32624
        * tree-ssa-structalias.c (merge_smts_into): Only merge the
        SMTs aliases and the tag itself into the solution.
        * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
        merge the points-to solution back into the SMT aliases.
        (may_alias_p): Use alias_set_subset_of instead of
        aliases_conflict_p.  A pointer which points to
        memory with alias set zero may access any variable.

2008-04-23  Richard Guenther  <rguenther@suse.de>

        * alias.c (alias_set_subset_of): Correctly handle asking
        if zero is a subset of an alias set with zero child.
        * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
        (compute_flow_insensitive_aliasing): Correctly walk all
        pointers.  Do not unnecessarily union sets.

2008-04-23  Richard Guenther  <rguenther@suse.de>

        PR middle-end/36021
        * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.

2008-04-22  Tomas Bily  <tbily@suse.cz>

        * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
        unreachable case.
        * tree-vrp.c (extract_range_from_unary_expr): Removed unused
        NON_LVALUE_EXPR.
        * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
        * tree-ssa-structalias.c (get_constraint_for): Likewise.
        * tree-inline.c (estimate_num_insns_1): Likewise.
        * varasm.c (const_hash_1, compare_constant, copy_constant)
        (compute_reloc_for_constant, output_addressed_constants): Likewise.
        * emit-rtl.c (component_ref_for_mem_expr)
        (set_mem_attributes_minus_bitpos): Likewise.
        * expr.c (highest_pow2_factor, expand_expr_real_1, )
        (is_aligning_offset): Likewise.
        * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
        * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
        * dojump.c (do_jump): Likewise.
        * builtins.c (get_pointer_alignment, get_memory_rtx)
        (integer_valued_real_p, fold_builtin_next_arg): Likewise.
        * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.

2008-04-23  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/36017
        * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
        expanding the library call.

2008-04-22  Ian Lance Taylor  <iant@google.com>

        * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
        than size_in_bytes.

2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>

        * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
        of LR/CTR moves for Power6.

2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>

        PR middle-end/36003
        * passes.c (init_optimization_passes): Remove
        pass_fast_rtl_byte_dce.
        
2008-04-22  Uros Bizjak  <ubizjak@gmail.com>

        PR target/29096
        * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
        builtin functions to generate faster code.
        (_mm_cvtpu16_ps): Ditto.
        (_mm_cvtpi32x2_ps): Ditto.

2008-04-22  Nick Clifton  <nickc@redhat.com>

        * common.opt (ftree-loop-distribution): Add Optimization
        attribute.

        * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
        (frv_expand_builtin_va_start): Likewise.

        * config/arm/arm.c (thumb_find_work_register): Fix location of
        argument register count.

2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>

        Support scheduling for ColdFire V1 and V3 microarchitecture.
        Improve scheduling of multiplication instructions.

        * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
        (mac): New instruction attribute.
        * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
        (m68k_sched_mac): New variable.
        (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
        Handle cfv1 and cfv3.
        (max_insn_size): New static variable.
        (struct _sched_ib): New type.
        (sched_ib): New static variable.
        (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
        to fields of 'struct _sched_ib sched_ib'.  Update all uses.
        (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
        Update.
        (m68k_sched_md_init_global, m68k_sched_md_finish_global,
        m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
        new variables.  Update.
        (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
        Add modeling of cfv3 instruction buffer.  Update.
        * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
        * config/m68k/m68k.h (TUNE_CFV3): New macro.
        * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
        (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
        a particular reservation applies to.
        (type2): Reorganize attribute values.  Rename alu to alu_reg,
        alu_l to alu, move_l to omove.  Join move to alu.  Split mul
        to mul_l and mul_w.
        (cf_ib_*): Simplify description of instruction buffer.
        (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
        (cf_mem): Split into cf_mem1 and cf_mem2.
        (cf_v2_move_??): Rename to cfv12_alu_??.
        (cf_v2_move_l_??): Rename to cfv12_omove_??.
        (cf_v2_mul_??): Remove reservations.
        (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
        cfv12_emac_??, cfv12_emac_w_i0): New reservations.
        (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
        appropriate place.
        (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
        cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
        cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
        cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
        cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
        cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
        (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
        expansions of the above reservations for instructions of sizes
        1, 2 and 3 words.

2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.

2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>

        * coverage.c: Include tree-pass.h.
        (coverage_counter_alloc): Print da_file_name to the dump file.

2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>

        * sbitmap.c (sbitmap_range_empty_p): New function.
        * sbitmap.h (sbitmap_range_empty_p): New function.
        * bitmap.h: Now includes obstack.h.

2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
            Kenneth Zadeck  <zadeck@naturalbridge.com>

        * dbgcnt.def (ra_byte_scan): Added.
        * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
        when the last hit happens for a counter.  
        * timevar.def (TV_DF_BYTE_LR): New variable.
        * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
        * passes.c (pass_fast_rtl_byte_dce): New pass.
        * fwprop.c (update_df): Added mode to call df_ref_create.
        Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
        DF_REF_EXTRACT_OFFSET.
        * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN, 
        DF_BYTE_LR_OUT, df_byte_lr): New macro.
        (df_mm): New enum.
        (df_ref_extract): Added mode field.
        (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
        DF_REF_EXTRACT_OFFSET.
        (DF_REF_EXTRACT_MODE): New macro.
        (df_byte_lr_bb_info): New structure.
        (df_print_byte_regset, df_compute_accessed_bytes, 
        df_byte_lr_add_problem, df_byte_lr_get_regno_start,
        df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
        df_byte_lr_simulate_uses,
        df_byte_lr_simulate_artificial_refs_at_top,
        df_byte_lr_simulate_artificial_refs_at_end,
        df_compute_accessed_bytes): New function.
        (df_ref_create): Add parameter.
        (df_byte_lr_get_bb_info): New inline function.
        * df-scan.c (df_ref_record, df_uses_record,
        df_ref_create_structure): Added mode parameter.
        (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1, 
        df_defs_record, df_uses_record, df_get_conditional_uses,
        df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect, 
        df_entry_block_defs_collect, df_exit_block_uses_collect):
        Added mode parameter to calls to df_ref_record, df_uses_record,
        df_ref_create_structure.
        (df_ref_equal_p, df_ref_compare): Added test for modes.
        (df_ref_create_structure): Added code to set mode.  Renamed
        DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
        DF_REF_EXTRACT_OFFSET.
        * df-core.c (df_print_byte_regset): New function.
        * df-byte-scan.c: New file.
        * df-problems.c (df_rd_transfer_function): Removed unnecessary
        calls to BITMAP_FREE.  
        (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
        (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
        df_byte_lr_set_bb_info, df_byte_lr_free_bb_info, 
        df_byte_lr_check_regs, df_byte_lr_expand_bitmap, 
        df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
        df_byte_lr_local_compute, df_byte_lr_init,
        df_byte_lr_confluence_0, df_byte_lr_confluence_n, 
        df_byte_lr_transfer_function, df_byte_lr_free, 
        df_byte_lr_top_dump, df_byte_lr_bottom_dump,
        df_byte_lr_add_problem, df_byte_lr_simulate_defs, 
        df_byte_lr_simulate_uses,
        df_byte_lr_simulate_artificial_refs_at_top,
        df_byte_lr_simulate_artificial_refs_at_end): New function.
        * dce.c (byte_dce_process_block): New function.
        (dce_process_block): au is now passed in rather than computed
        locally.  Changed loops that look at artificial defs to not look
        for conditional or partial ones, because there never are any.  
        (fast_dce): Now is able to drive byte_dce_process_block or 
        dce_process_block depending on the kind of dce being done.
        (rest_of_handle_fast_dce): Add parameter to fast_dce.
        (rest_of_handle_fast_byte_dce): New function.
        (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
        * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.

2008-04-21  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/35019
        * gcc.h: Added fortran options that take arguments to
        DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
        macros.

2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
        scalarization if on the LHS and not a full access.

2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.

2008-04-18  Rafael Espindola  <espindola@google.com>

        * tree-vrp.c (find_case_label_index): Fix the binary search.
        (find_case_label_range): New.
        (vrp_visit_switch_stmt): Use find_case_label_range.
        (simplify_switch_using_ranges): Use find_case_label_range.

2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>

        * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
        using the is_gimple_lvalue predicate instead of is_gimple_min_lval.

2008-04-18  Tom Tromey  <tromey@redhat.com>

        PR libcpp/15500:
        * doc/cpp.texi (Implementation-defined behavior): Mention
        -finput-charset.

2008-04-18  Ian Lance Taylor  <iant@google.com>

        * fold-const.c (pointer_may_wrap_p): New static function.
        (fold_comparison): Add another test for pointer overflow.  Use
        pointer_may_wrap_p to disable some false positives.

2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
          
        * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
        (fname_as_string): Match updated cpp_interpret_string prototype.
        (fix_string_type): Support char16_t* and char32_t*.
        (c_common_nodes_and_builtins): Add char16_t and char32_t (and
        derivative) nodes.  Register as builtin if C++0x.
        (c_parse_error): Support CPP_CHAR{16,32}.
        * c-common.h (RID_CHAR16, RID_CHAR32): New elements. 
        (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
        CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
        CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
        CTI_CHAR32_ARRAY_TYPE>: New elements.
        (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
        char32_type_node, signed_char32_type_node, char16_array_type_node,
        char32_array_type_node): New defines.
        * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
        (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
        (lex_string): Support CPP_STRING{16,32}, match updated
        cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
        (lex_charconst): Support CPP_CHAR{16,32}.
        * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
        and CPP_STRING{16,32}.

2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

        PR bootstrap/35457
        * aclocal.m4: Regenerate.
        * configure: Regenerate.

2008-04-18  Jan Hubicka  <jh@suse.cz>

        * except.c (dw2_size_of_call_site_table,
        sjlj_size_of_call_site_table): Use vector API for call_site_record.

        * cgraphbuild.c (build_cgraph_edges): Update.
        * tree-pass.h: Update comment.
        * final.c (leaf_function_p): Update.
        (leaf_renumber_regs): Update.
        (rest_of_clean_state): Update.
        * omp-low.c (expand_omp_parallel): Update.
        * ipa-reference.c (analyze_function): Update.
        * reorg.c (find_end_label): Update.
        (optimize_skip): Update.
        (fill_simple_delay_slots): Update.
        (fill_simple_delay_slots): Update.
        (make_return_insns): Update.
        (dbr_schedule): Update.
        * gimple-low.c (record_vars_into): Update.
        * cfgbuild.c (make_edges): Update.
        * function.c (assign_stack_local): Update.
        (assign_parm_adjust_stack_rtl): Update.
        (locate_and_pad_parm): Update.
        (allocate_struct_function): Do not initialize stack_alignment_needed
        and preferred_stack_boundary here.
        (stack_protect_prologue): Update.
        (stack_protect_epilogue): Update.
        (expand_function_start): Initialize stack_alignment_needed,
        preferred_stack_boundary and max_jumptable_ents.
        (expand_function_end): Update.
        (free_after_compilation): Do not NULLify epilogue_delay_list.
        * function.h (struct rtl_data): Add stack_protect_guard,
        stack_alignment_needed,
        preferred_stack_boundary, epilogue_delay_list.
        (struct function): Remove value_histograms, stack_alignment_needed,
        preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
        last_label_uid,
        unexpanded_var_list, stack_protect_guard.
        (current_function_epilogue_delay_list): Remove.
        * ipa-type-escape.c (analyze_function): Update.
        * gimplify.c (pop_gimplify_context): Update comment.
        * calls.c (expand_call): Update.
        (emit_library_call_value_1): Update.
        * except.c (set_nothrow_function_flags): Update.
        * cfgexpand.c (get_decl_align_unit): Update.
        (create_stack_guard): Update.
        (estimated_stack_frame_size): Update.
        (expand_used_vars): Update.
        (tree_expand_cfg): Free histogram earliers, init expansion variables.
        * explow.c (allocate_dynamic_stack_space): Update.
        * tree-ssa-live.c (remove_unused_locals): Update.
        * varasm.c (mark_constant_pool): Update.
        * tree-inline.c (remap_decls): Update.
        (initialize_cfun): Update.
        (declare_return_variable): Update.
        (inline_forbidden_p): Update.
        (expand_call_inline): Update.
        (declare_inline_vars): Update.
        (tree_function_versioning): Update.
        * tree-flow.h (value_histograms): New.
        (VALUE_HISTOGRAMS): New macro.
        * basic-block.h (control_flow_graph): Add max_jumptable_ents,
        last_label_uid.
        * tree-cfg.c (set_bb_for_stmt): Update.
        (replace_by_duplicate_decl): Update.
        (move_block_to_fn): Update.
        (new_label_mapper): Update.
        (dump_function_to_file): Update.
        * ipa-struct-reorg.c (build_data_structure): Update.
        * cfgrtl.c (print_rtl_with_bb): Update.
        * reload1.c (reload): Update.
        (reload): Update.
        * config/i386/i386.c (setup_incoming_varargs_64,
        ix86_compute_frame_layout): Update.
        * config/arc/arc.c (arc_output_function_epilogue): Update.

2008-04-18  Marius Strobl <marius@FreeBSD.org>

        * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
        for FreeBSD as well.
        * gthr-posix95.h: Likewise.

2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>

        PR rtl-optimization/35838
        * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
        out the byte offset of the first subreg.

2008-04-17  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
        to split_ti instead of three separate calls with single member arrays.
        (subti3 splitter): Ditto.
        (adddi3 splitter): Ditto with split_di.
        (subdi3 splitter): Ditto.
        (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
        two separate calls with single member arrays.  Swap match_dup
        operands 1 and 2 to better fit into the array.
        (negdi2 splitter): Ditto with split_di.
        (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
        two separate calls with single member arrays.  Swap match_dup operands
        6 and 7 to better fit into the array.

2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (sse_builtin_type): New.
        (bdesc_sse_args): Likewise.
        (bdesc_sse_3arg): Removed.
        (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
        (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
        IX86_BUILTIN_ROUNDPS.
        (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
        bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
        IX86_BUILTIN_ROUNDPS.
        (ix86_expand_sse_4_operands_builtin): Removed.
        (ix86_expand_sse_operands_builtin): New.
        (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
        and CODE_FOR_sse4_1_roundps.
        (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
        Handle bdesc_sse_args.  Remove bdesc_sse_3arg.

2008-04-17  Alan Modra  <amodra@bigpond.net.au>

        PR target/35907
        * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
        regs before frame pop when needed.  If use_backchain_to_restore_sp
        then load backchain into a temp reg to restore vr and vrsave.  Add
        code to restore vr after frame pop if possible.

2008-04-17  Richard Guenther  <rguenther@suse.de>

        * tree-vn.c (expressions_equal_p): Do not check type
        equality or compatibility before calling operand_equal_p.
        * fold-const.c (operand_equal_p): Check equivalence of
        integer constants before bailing out due to signedness or
        precision differences.
        * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
        spurious differences in type qualification.  Ignore types
        for COMPONENT_REFs at all.

2008-04-17  Christian Bruel  <christian.bruel@st.com>

        * config/sh/sh.c (expand_cbranchdi4): Use original operands for
        msw_skip comparison.
        
2008-04-16  Jakub Jelinek  <jakub@redhat.com>

        PR c/35739
        * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
        reg type.

        PR tree-optimization/35899
        * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
        rather than TREE_OPERAND.

2008-04-16  Uros Bizjak  <ubizjak@gmail.com>

        PR target/35944
        * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
        temporary registers.  Change operand predicate to general_operand.
        (remainderxf3): Ditto.

2008-04-16  Richard Guenther  <rguenther@suse.de>

        * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
        * tree-affine.c (aff_combination_expand): Look through some
        conversions.

2008-04-15  Doug Kwan  <dougkwan@google.com>

        * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
        for hex printing.
        * tree-pretty-print.c (dump_generic_node): Ditto.
        * final.c (output_addr_const): Ditto.
        * dwarf2out.c (output_cfi): Ditto.
        * c-pretty-print.c (pp_c_integer_constant): Ditto.
        * print-rtl.c (print_rtx): Ditto.
        * print-tree.c (print_node_brief, print_node): Ditto.
        * c-common.c (match_case_to_enum_1): Ditto.
        * sched-vis.c (print_value): Ditto.
        * config/i386/i386.c (print_operand): Cast to long unsigned int
        for hex printing.

2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
        * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
        MS Windows VirtualProtect function.

2008-04-15  Jan Hubicka  <jh@suse.cz>

        * gengtype.c (write_root): Param_is argument is OK.
        * expr.c (expand_expr_real_1): Update call of get_exception_*.
        * function.h: Include varray.h
        (rtl_eh): New stucture based on except.c one.
        (call_site_record): New forward declaration and vector type.
        * calls.c (emit_call_1): Do not call
        note_current_region_may_contain_throw.
        * except.c (eh_status): Remove cur_region, try_region since they are
        unused.
        Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
        exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
        sjlj_fc, sjlj_exit_after to rth_eh in function.h. 
        Remove call_site_data_used, call_site_data_size.
        Turn call_site_record into vector in function.h.
        (note_current_region_may_contain_throw): Remove.
        (get_exception_pointer, get_exception_filter): Do not take struct
        function argument; update.
        (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
        add_ttypes_entry, add_ehspec_entry, assign_filter_values,
        build_post_landing_pads, dw2_build_landing_pads,
        sjlj_assign_call_site_values, sjlj_mark_call_sites,
        sjlj_emit_function_enter, sjlj_emit_function_enter, 
        sjlj_emit_function_exit, sjlj_emit_dispatch_table,
        sjlj_build_landing_pads, finish_eh_generation,
        remove_exception_handler_label, remove_eh_handler,
        maybe_remove_eh_handler, add_reachable_handler,
        reachable_handlers, expand_builtin_eh_return, expand_eh_return,
        add_action_record, collect_one_action_chain, add_call_site,
        convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
        sjlj_output_call_site_table, output_function_exception_table,
        * except.h (note_current_region_may_contain_throw): Remove
        (get_exception_pointer, get_exception_filter): Do not take struct
        function argument.
        * Makefile.in (GTFILES): Put varargs before struct function.

2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
        punt for STRING_CST.
        (get_constraint_for): Deal with STRING_CST here instead.

2008-04-15  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-propagate.c (substitute_and_fold): Substitute
        statements in a basic-block with a backward walk.  Do not
        substitute into dead statements but instead remove those.

2008-04-15  Richard Guenther  <rguenther@suse.de>

        * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
        to zero, thus disable creation of SFTs.

2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-predcom.c (suitable_reference_p): Return false if the
        reference can throw.

2008-04-15  Jakub Jelinek  <jakub@redhat.com>

        PR c/35751
        * c-decl.c (finish_decl): If extern or static var has variable
        size, set TREE_TYPE (decl) to error_mark_node.

2008-04-15  Rafael Espindola  <espindola@google.com>

        * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
        variable arg1.

2008-04-15  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
        * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
        (visit_reference_op_load): Do walk vuse-vdef chains on
        vn_reference_lookup.
        (visit_reference_op_store): But do not here.
        * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
        vn_reference_lookup.
        (vn_lookup_with_vuses): But do so here.

2008-04-14  Ian Lance Taylor  <iant@google.com>

        * fold-const.c (fold_overflow_warning): Remove assertion.

2008-04-15  Ben Elliston  <bje@au.ibm.com>

        * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
        temp1 local variables.

2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>

        PR target/35661
        * config/i386/winnt.c (i386_pe_section_type_flags): Mark
        ".text.unlikely" section as executable.

2008-04-14  James E. Wilson  <wilson@tuliptree.org>

        * config/ia64/ia64.c (rtx_needs_barrier): Handle
        UNSPEC_FR_SQRT_RECIP_APPROX_RES.
        * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
        (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
        divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
        divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
        divxf3_internal_th