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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * config/i386/immintrin.h: New.

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

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

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

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

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

        PR middle-end/37908
        * config/ia64/ia64.c (ia64_expand_atomic_ope): Properly handle NAND
        case by calculating ~(new_reg & val) instead of (~new_reg & val).
        * config/ia64/sync.md (sync_nand<mode>): Change insn RTX
        to (not:IMODE (and:IMODE (...))).
        (sync_old_nand<mode>): Ditto.
        (sync_new_nand<mode>): Ditto.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * ira-emit.c (entered_from_non_parent_p,
        setup_entered_from_non_parent_p): New functions.
        (not_modified_p): Rename to store_can_be_removed_p.  Check there
        is no side entries.
        (generate_edge_moves): Use store_can_be_removed_p instead of
        not_modified_p.
        (ira_emit): Call setup_entered_from_non_parent_p.
        
        * ira-build.c (copy_info_to_removed_store_destinations):
        Accumulate CALL_FREQ, CALL_CROSSED_NUM, and
        ALLOCNO_EXCESS_PRESSURE_POINTS_NUM.
        (ira_flattening): Don't CHECK MEM_OPTIMIZED_DEST[_P], always
        update all accumulated attributes.
        
2008-11-19  Vladimir Makarov  <vmakarov@redhat.com>

        PR bootstrap/37790
        * ira-int.h (ira_copy_allocno_live_range_list,
        ira_merge_allocno_live_ranges, ira_allocno_live_ranges_intersect_p,
        ira_finish_allocno_live_range_list): New prototypes.
        (ira_allocno_live_ranges_intersect_p,
        ira_pseudo_live_ranges_intersect_p): Remove.
        
        * ira-conflicts.c (ira_allocno_live_ranges_intersect_p,
        ira_pseudo_live_ranges_intersect_p): Rename to
        allocnos_have_intersected_live_ranges_p and
        pseudos_have_intersected_live_ranges_p.  Move them from here to ...

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

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

        * ira-build.c (copy_allocno_live_range_list): Rename to
        ira_copy_allocno_live_range_list.  Make it external.
        (merge_ranges): Rename to ira_merge_allocno_live_ranges.  Make it
        external.
        (ira_allocno_live_ranges_intersect_p): New.
        (ira_finish_allocno_live_range_list): New.
        (finish_allocno): Use it.
        (remove_unnecessary_allocnos): Use ira_merge_allocno_live_ranges.
        (copy_info_to_removed_store_destinations): Ditto.  Use
        ira_copy_allocno_live_range_list.
        (ira_flattening): Use ira_merge_allocno_live_ranges.
        
        * ira.c (too_high_register_pressure_p): New function.
        (ira): Switch off sharing spill slots if the pressure is too high.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        PR middle-end/37908
        * optabs.c (expand_sync_operation): Properly handle NAND case
        by calculating ~(t1 & val) instead of (~t1 & val).
        * builtins.c (expand_builtin_sync_operation): Warn for changed
        semantics in NAND builtins.
        * c.opt (Wsync-nand): New warning option.  Describe -Wsync-nand.
        
        * doc/invoke.texi (Warning options): Add Wsync-nand.
        * doc/extend.texi (Atomic Builtins) [__sync_fetch_and_nand]: Correct
        __sync_fetch_and_nand builtin operation in the example.  Add a note
        about changed semantics in GCC 4.4.
        [__sync_nand_and_fetch]: Correct __sync_nand_and_fetch builtin
        operation in the example.  Add a note about changed semantics in
        GCC 4.4.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * gcc.c (cc1_options): Fix comment.

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

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

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

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

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

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

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

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

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

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

        * ira-costs.c (record_reg_classes): Set up ALLOCNO_BAD_SPILL_P.
        
2008-11-14  Jakub Jelinek  <jakub@redhat.com>

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * ira-costs.c (scan_one_insn): Use alloc_pref for load from
        equivalent memory.
        
2008-11-10  Kaz Kojima  <kkojima@gcc.gnu.org>

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * fwprop.c (fwprop_done): Call df_remove_problem.

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

        PR middle-end/37379
        * tree-scalar-evolution.c (instantiate_scev_1): Return
        chrec_dont_know for VL_EXP_CLASS_P.
        
2008-11-06  Uros Bizjak  <ubizjak@gmail.com>

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

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

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

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

        PR target/26397
        * config/rs6000/aix.h (LIBSTDCXX_STATIC): Define.
        
2008-11-06  Kazu Hirata  <kazu@codesourcery.com>

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        PR middle-end/37833

        * graphite.c (scan_tree_for_params): Add POINTER_PLUS_EXPR.

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

        PR middle-end/37943

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        PR other/37463
        * configure.ac (gcc_cv_ld_ro_rw_mix): Move before
        gcc_cv_as_cfi_directive.
        (gcc_cv_as_cfi_directive) [*-*-solaris*]: Check if linker supports
        merging read-only and read-write sections or assembler emits
        read-write .eh_frame sections.
        * configure: Regenerate.
        
2008-11-03  Nathan Froyd  <froydnj@codesourcery.com>

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        PR target/37878
        * config/rs6000/predicates.md (word_offset_memref_operand):
        Restructure code and look inside auto-inc/dec addresses.
        
2008-10-29  Steve Ellcey  <sje@cup.hp.com>

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

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

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

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

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

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

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

2008-10-29  Bernd Schmidt  <bernd.schmidt@analog.com>
        
        * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315,
        ENABLE_WA_05000257, ENABLE_WA_05000283, ENABLE_WA_05000315): New.
        * config/bfin/bfin.c (bfin_cpus): Add these workaround bits as
        appropriate.
        (must_save_p): For some workarounds, interrupts need to clobber a
        P register.
        (expand_prologue_reg_save, expand_epilogue_reg_restore): Save LC0
        and LC1 for WA_05000257.
        (expand_interrupt_handler_prologue): Add dummy read of CHIPID for
        WA_05000283 and WA_05000315.
        * config/bfin/bfin.md (UNSPEC_VOLATILE_DUMMY): New constant.
        (movbi): Add alternative to set CC to 1; improve code for setting
        CC to 0.
        (dummy_load): New pattern.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * ira-int.h (ira_allocno): Add member updated_cover_class_cost.
        (ALLOCNO_UPDATED_COVER_CLASS_COST): New.
        (ira_fast_allocation): Remove the prototype.
        
        * ira-color.c (update_copy_costs, allocno_cost_compare_func,
        assign_hard_reg, calculate_allocno_spill_cost): Use updated costs.
        (color_pass): Modify the updated costs.
        (ira_color): Rename to color.  Make it static.
        (ira_fast_allocation): Rename to fast_allocation.  Make it static.
        (ira_color): New function.
        
        * ira-conflicts.c (process_regs_for_copy): Propagate hard reg cost
        change.

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

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

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

        * ira-costs.c (setup_allocno_cover_class_and_costs): Don't set up
        updated costs.
        
2008-10-27  Vladimir Makarov  <vmakarov@redhat.com>

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        From Jie Zhang  <jie.zhang@analog.com>
        * config/bfin/bfin.md (composev2hi): Put operands into vector
        with correct order.
        
2008-10-22  Chao-ying Fu  <fu@mips.com>

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * doc/invoke.texi (Option Summary): Add -T to linker options.
        (Link Options): Document -T.
        
2008-10-21  Jakub Jelinek  <jakub@redhat.com>

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * doc/rtl.texi (clobber): Change descriotion of RA behaviour for
        early clobbers of pseudo-registers.
        
2008-10-15  Vladimir Makarov  <vmakarov@redhat.com>

        PR middle-end/37674
        * ira-build.c (ira_flattening): Recalculate
        ALLOCNO_TOTAL_NO_STACK_REG_P and ALLOCNO_TOTAL_CONFLICT_HARD_REGS
        from the scratch instead of the propagation.
        
2008-10-15  Richard Sandiford  <rdsandiford@googlemail.com>

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * target.h (struct gcc_target): Update prototypes of needs_block_p
        and gen_spec_check.
        * haifa-sched.c (create_check_block_twin): Update calls to the above.
        * sel-sched.c (create_speculation_check): Likewise.
        * doc/tm.texi: Provide documentation for new target hooks.
                
        * config/ia64/ia64.c: Include sel-sched.h.  Rewrite speculation hooks.
        (ia64_gen_spec_insn): Removed.
        (get_spec_check_gen_function, insn_can_be_in_speculative_p,
        ia64_gen_spec_check): New static functions.
        (ia64_alloc_sched_context, ia64_init_sched_context,
        ia64_set_sched_context, ia64_clear_sched_context,
        ia64_free_sched_context, ia64_get_insn_spec_ds,
        ia64_get_insn_checked_ds, ia64_skip_rtx_p): Declare functions.
        (ia64_needs_block_p): Change prototype.
        (ia64_gen_check): Rename to ia64_gen_spec_check.
        (ia64_adjust_cost): Rename to ia64_adjust_cost_2.  Add new parameter
        into declaration, add special memory dependencies handling.
        (TARGET_SCHED_ALLOC_SCHED_CONTEXT, TARGET_SCHED_INIT_SCHED_CONTEXT,
        TARGET_SCHED_SET_SCHED_CONTEXT, TARGET_SCHED_CLEAR_SCHED_CONTEXT,
        TARGET_SCHED_FREE_SCHED_CONTEXT, TARGET_SCHED_GET_INSN_SPEC_DS,
        TARGET_SCHED_GET_INSN_CHECKED_DS, TARGET_SCHED_SKIP_RTX_P):
        Define new target hooks.
        (TARGET_SCHED_GEN_CHECK): Rename to TARGET_SCHED_GEN_SPEC_CHECK.
        (ia64_optimization_options): Turn on selective scheduling with -O3,
        disable -fauto-inc-dec. Set mflag_sched_control_spec to true by
        default with selective scheduling.
        (ia64_override_options): Initialize align_loops and align_functions
        to 32 and 64, respectively.  Set global selective scheduling flags
        according to target-dependent flags.
        (rtx_needs_barrier): Support UNSPEC_LDS_A.
        (group_barrier_needed): Use new mstop-bit-before-check flag.
        Add heuristic.
        (dfa_state_size): Make global.
        (spec_check_no, max_uid): Remove.
        (mem_ops_in_group, current_cycle): New variables.
        (ia64_sched_init): Disable checks for !SCHED_GROUP_P after reload.
        Initialize new variables.
        (is_load_p, record_memory_reference): New functions.
        (ia64_dfa_sched_reorder): Lower priority of loads when limit is
        reached.
        (ia64_variable_issue): Change use of current_sched_info to
        sched_deps_info.  Update comment.  Note if a load or a store is issued.
        (ia64_first_cycle_multipass_dfa_lookahead_guard_spec): Require a cycle
        advance if maximal number of loads or stores was issued on current
        cycle.
        (scheduled_good_insn): New static helper function.
        (ia64_dfa_new_cycle): Assert that last_scheduled_insn is set when
        a group barrier is needed.  Fix vertical spacing.  Guard the code
        doing state transition with last_scheduled_insn check.
        Mark that a stop bit should be before current insn if there was a 
        cycle advance.  Update current_cycle and mem_ops_in_group.
        (ia64_h_i_d_extended): Change use of current_sched_info to
        sched_deps_info. Reallocate stops_p by larger chunks.
        (struct _ia64_sched_context): New structure.
        (ia64_sched_context_t): New typedef.
        (ia64_alloc_sched_context, ia64_init_sched_context,
        ia64_set_sched_context, ia64_clear_sched_context,
        ia64_free_sched_context): New static functions.
        (gen_func_t): New typedef.
        (get_spec_load_gen_function): New function.
        (SPEC_GEN_EXTEND_OFFSET): Declare.      
        (ia64_set_sched_flags): Check common_sched_info instead of *flags.
        (get_mode_no_for_insn): Change the condition that prevents use of
        special hardware registers so it can now handle pseudos.
        (get_spec_unspec_code): New function.
        (ia64_skip_rtx_p, get_insn_spec_code, ia64_get_insn_spec_ds,
        ia64_get_insn_checked_ds, ia64_gen_spec_load): New static functions.
        (ia64_speculate_insn, ia64_needs_block_p): Support branchy checks
        during selective scheduling.
        (ia64_speculate_insn): Use ds_get_speculation_types when
        determining whether we need to change the pattern.
        (SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET): Declare.
        (ia64_spec_check_src_p): Support new speculation/check codes.
        (struct bundle_state): New field.
        (issue_nops_and_insn): Initialize it.
        (insert_bundle_state): Minimize mid-bundle stop bits.
        (important_for_bundling_p): New function.
        (get_next_important_insn): Use important_for_bundling_p.
        (bundling): When shifting TImode from unimportant insns, ignore
        also group barriers.  Assert that best state is found before
        the backward bundling pass.  Print number of mid-bundle stop bits.
        Minimize mid-bundle stop bits.  Check correct calculation of
        mid-bundle stop bits.
        (ia64_sched_finish, final_emit_insn_group_barriers): Fix formatting.
        (final_emit_insn_group_barriers): Emit stop bits before insns starting
        a new cycle.
        (sel2_run): New variable.
        (ia64_reorg): When flag_selective_scheduling2 is set, run the
        selective scheduling pass instead of schedule_ebbs.
        
        * config/ia64/ia64.md (speculable1, speculable2): New attributes.
        (UNSPEC_LDS_A): New UNSPEC.
        (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
        movti_internal, movsf_internal, movdf_internal,
        movxf_internal): Make visible.  Add speculable* attributes.
        (output_c_nc): New mode attribute.
        (mov<mode>_speculative_a, zero_extend<mode>di2_speculative_a,
        mov<mode>_nc, zero_extend<mode>di2_nc,
        advanced_load_check_nc_<mode>): New insns.
        (zero_extend*): Add speculable* attributes.

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

        * config/ia64/itanium2.md: Remove incorrect bypass.
        
        * config/ia64/t-ia64 (ia64.o): Add dependency on sel-sched.h.

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

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

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

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

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

        * combine.c (simplify_set): Avoid calling LOAD_EXTEND_OP on
        non-integer modes.

2008-10-13  Matthias Klose  <doko@ubuntu.com>

        * config/pa/linux-atomic.c: Work around missing header file
        for hppa64-linux-gnu targets.

2008-10-13  Andrew Pinski  <andrew_pinski@playstation.sony.com>
            Kaushal Kantawala <Kaushal_Kantawala@playstation.sony.com>
            Trevor Smigiel  <Trevor_Smigiel@playstation.sony.com>
            Grace Cao  <grace_cao@playstation.sony.com>

        * doc/invoke.texi (-mgen-cell-microcode): Document.
        (-mwarn-cell-microcode): Document.
        * cfglayout.c (locator_location): Export.
        * rtl.h (locator_location): Define prototype.
        * config/rs6000/predicates.md (cc_reg_not_micro_cr0_operand):
        New predicate.
        * rs6000/rs6000-protos.h (rs6000_final_prescan_insn): Define prototype.
        * config/rs6000/rs6000.opt (mgen-cell-microcode): New option.
        (mwarn-cell-microcode): New option.
        * rs6000/rs6000.c (rs6000_cell_dont_microcode): Delete unused variable.
        (rs6000_override_options): Set rs6000_gen_cell_microcode if tuning for
        cell and not already set.
        Turn off string instructions if not generating cell microcode.
        (rs6000_final_prescan_insn): New function that warns about microcoded
        instructions.
        * config/rs6000/rs6000.h (FINAL_PRESCAN_INSN): Define.
        * config/rs6000/rs6000.md
        Replace cc_reg_not_cr0_operand with cc_reg_not_micro_cr0_operand if
        the instruction would have been microcoded on the Cell.  Set
        cell_micro to always on unnamed patterns for the string instructions.
        (cell_micro): Update definition, remove load/store conditional
        microcoded.
        (sign_extend:DI): Define new pattern for non microcoded version.
        (sign_extend:SI): Likewise.
        (compare (div:P)): Set cell_micro to not.
        (andsi3): Define as an expand.
        (andsi3_mc): New pattern.
        (andsi3_nomc): New pattern.
        (andsi3_internal0_nomc): New pattern.
        (andsi3_internal2): Rename to ...
        (andsi3_internal2_mc): this and enable iff generating microcode.
        (andsi3_internal3): Rename to ...
        (andsi3_internal3_mc): this and enable iff generating microcode.
        (andsi3_internal4): Enable iif generating microcode.
        (andsi3_internal5): Rename to ..
        (andsi3_internal5_mc): this and enable iff generating microcode.
        (andsi3_internal5_nomc): New pattern.
        (extzvdi_internal1): Enable iff generating microcode.
        (extzvdi_internal2): Likewise.
        (rotlsi3_internal7): Set cell_micro to always if non immediate form.
        (anddi3): Change to expand.
        (anddi3_mc): Rename from anddi3.
        (anddi3_no_mc): New pattern.
        (anddi3_internal2): Rename to ..
        (anddi3_internal2_mc): this and enable iff generating microcode.
        (anddi3_internal2_nomc): New pattern.
        (anddi3_internal3): Rename to ..
        (anddi3_internal3_mc): this and enable iff generating microcode.
        (anddi3_internal3_nomc): New pattern.
        (movti_string): Set cell_micro to always if TARGET_STRING.
        (stmsi8): Set cell_micro to always.
        (stmsi7): Likewise.
        (stmsi6): Likewise.
        (stmsi5): Likewise.
        (stmsi4): Likewise.
        (stmsi3): Likewise.
        (stmsi8_power): Likewise.
        (stmsi7_power): Likewise.
        (stmsi6_power): Likewise.
        (stmsi5_power): Likewise.
        (stmsi4_power): Likewise.
        (stmsi3_power): Likewise.
        (movsi_update2): Enable iff generating microcode.
        (movhi_update3): Likewise.
        (lmw): Set cell_micro to always.

2008-10-13  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/s390/s390.md (UNSPEC_POOL_OFFSET): New constant.
        * config/s390/s390.c (machine_function): Remove
        decomposed_literal_pool_addresses_ok_p.
        (s390_decompose_address): Check for UNSPEC_POOL_OFFSET instead of
        the difference of two labels.
        (s390_output_addr_const_extra): Handle UNSPEC_POOL_OFFSET.
        (s390_pool_offset): New function.
        (s390_find_constant, s390_find_execute, s390_dump_pool): Use it.
        (s390_reorg): Don't set decomposed_literal_pool_addresses_ok_p.

2008-10-13  Nathan Froyd  <froydnj@codesourcery.com>

        * doc/install.texi (powerpc-*-*): Require binutils 2.15.
        (powerpc*-*-linux-gnu*): Describe.
        * config/rs6000/ppc-asm.h (HIDDEN_FUNC): New macro.
        * config/rs6000/crtresfpr.asm, config/rs6000/crtresgpr.asm,
        config/rs6000/crtresxfpr.asm, config/rs6000/crtresxgpr.asm,
        config/rs6000/crtsavfpr.asm, config/rs6000/crtsavgpr.asm,
        config/rs6000/e500crtres32gpr.asm,
        config/rs6000/e500crtres64gpr.asm,
        config/rs6000/e500crtres64gprctr.asm,
        config/rs6000/e500crtrest32gpr.asm,
        config/rs6000/e500crtrest64gpr.asm,
        config/rs6000/e500crtresx32gpr.asm,
        config/rs6000/e500crtresx64gpr.asm,
        config/rs6000/e500crtsav32gpr.asm,
        config/rs6000/e500crtsav64gpr.asm,
        config/rs6000/e500crtsav64gprctr.asm,
        config/rs6000/e500crtsavg32gpr.asm,
        config/rs6000/e500crtsavg64gpr.asm,
        config/rs6000/e500crtsavg64gprctr.asm: Use it.
        * config/rs6000/crtsavres.asm: Really remove.

2008-10-13  Kai Tietz  <kai.tietz@onevision.com>

        Fix PR/25502
        * c-format.c (convert_format_name_to_system_name): Use
        TARGET_OVERRIDES_FORMAT_INIT.
        * config.gcc (extra_options): Add for mingw targets mingw.opt.
        * config/i386/mingw.opt: New.
        * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_INIT): New.
        * config/i386/msformat-c.c (TARGET_OVERRIDES_FORMAT_INIT): New.
        (ms_printf_length_specs): Removed const specifier.
        * doc/tm.texi (TARGET_OVERRIDES_FORMAT_INIT): New.
        * doc/invoke.texi (Wno-pedantic-ms-format): New.

2008-10-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c: Remove MPFR_VERSION_NUM(2,3,0) conditionals.
        * doc/install.texi: Bump recommended MPFR to 2.3.2.

2008-10-12  Kenneth Zadeck <zadeck@naturalbridge.com>

        PR middle-end/37808
        * df-scan.c (df_ref_change_reg_with_loc_1): Added test to make
        sure that ref has valid bb.
        
2008-10-12  Richard Henderson  <rth@redhat.com>

        PR middle-end/37447
        * Makefile.in (reload1.o): Depend on EMIT_RTL_H.
        * alias.c (value_addr_p, stack_addr_p): Remove.
        (nonoverlapping_memrefs_p): Remove IRA special case.
        * emit-rtl.c (get_spill_slot_decl, set_mem_attrs_for_spill): New.
        * emit-rtl.h (set_mem_attrs_for_spill): Declare.
        * reload1.c (alter_reg): Use it.

2008-10-12  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/driver-i386.c (detect_caches_cpuid2): Use array
        of registers instead of eax, ebx, ecx and edx.  Use for loop
        and check register for non-zero value before the call
        to decode_caches_intel.

2008-10-11  Kenneth Zadeck <zadeck@naturalbridge.com>

        PR rtl-optimization/37448
        * df.h: (df_ref_class): New enum.
        (DF_REF_TYPE_NAMES, df_ref_extract): Removed.
        (struct df_ref): Replaced with union df_ref_d.
        (df_base_ref, df_artificial_ref, df_regular_ref, df_extract_ref):
        New members of df_ref_d union.
        (DF_REF_REAL_REG, DF_REF_REGNO, DF_REF_REAL_LOC, DF_REF_REG,
        DF_REF_LOC, DF_REF_BB, DF_REF_INSN_INFO, DF_REF_INSN,
        DF_REF_CLASS, DF_REF_TYPE, DF_REF_CHAIN, DF_REF_ID, DF_REF_FLAGS,
        DF_REF_ORDER, DF_REF_IS_ARTIFICIAL, DF_REF_NEXT_REG,
        DF_REF_PREV_REG, DF_REF_EXTRACT_WIDTH, DF_REF_EXTRACT_OFFSET,
        DF_REF_EXTRACT_MODE): Replaced definition to access union df_ref_d.
        (DF_MWS_REG_DEF_P, DF_MWS_REG_USE_P, DF_MWS_TYPE): New macros.
        (df_scan_bb_info, df_bb_regno_first_def_find,
        df_bb_regno_last_def_find, df_find_def, df_find_use,
        df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
        debug_df_ref, df_chain_create, df_chain_unlink, df_chain_copy,
        df_ref_create, df_ref_remove, df_compute_accessed_bytes,
        df_get_artificial_defs, df_get_artificial_uses, union_defs)
        Replaced struct df_ref * with df_ref.
        * df-scan.c (df_collection_rec, df_null_ref_rec,
        df_ref_chain_delete_du_chain, df_ref_chain_delete, df_install_ref,
        df_grow_ref_info, df_ref_create, df_reg_chain_unlink,
        df_ref_compress_rec, df_ref_remove, df_ref_chain_delete_du_chain,
        df_ref_chain_delete, df_free_collection_rec, df_insn_rescan,
        df_reorganize_refs_by_reg_by_reg,
        df_reorganize_refs_by_reg_by_insn, df_reorganize_refs_by_reg,
        df_ref_change_reg_with_loc_1, df_notes_rescan, df_swap_refs,
        df_sort_and_compress_refs, df_install_ref, df_install_refs,
        df_ref_record, df_get_conditional_uses, df_get_call_refs,
        df_bb_refs_record, df_exit_block_uses_collect,
        df_record_exit_block_uses, df_reg_chain_mark,
        df_reg_chain_verify_unmarked, df_refs_verify): Replaced struct
        df_ref * with df_ref.
        (df_ref_record, df_uses_record, df_ref_create_structure): Added
        df_ref_class parameter.
        (df_scan_problem_data): Added new pools for different types of refs.
        (df_scan_free_internal, df_scan_alloc, df_free_ref,
        df_ref_create_structure): Processed new ref pools.
        (df_scan_start_dump): Added counts of refs and insns.
        (df_ref_create, df_notes_rescan, df_def_record_1, df_uses_record,
        df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
        df_entry_block_defs_collect, df_exit_block_uses_collect): Added
        code to pass df_ref_class down to ref creation functions.
        (df_reg_chain_unlink, df_ref_remove, df_ref_change_reg_with_loc_1,
        df_reg_chain_mark): Use macros to hide references to df_refs.
        (df_ref_chain_change_bb): Removed.
        (df_insn_change_bb): Remove calls to df_ref_insn_change_bb.
        (df_ref_equal_p, df_ref_compare, df_ref_create_structure):
        Enhanced to understand df_ref union structure.
        * fwprop.c (local_ref_killed_between_p, use_killed_between,
        all_uses_available_at, update_df, try_fwprop_subst,
        forward_propagate_subreg, forward_propagate_and_simplify,
        forward_propagate_into, fwprop, fwprop_addr): Replaced struct
        df_ref * with df_ref.
        (use_killed_between, all_uses_available_at): Use macros to hide
        references to df_refs.
        * regstat.c (regstat_bb_compute_ri,
        regstat_bb_compute_calls_crossed): Replaced struct df_ref * with
        df_ref.
        * see.c (see_handle_relevant_defs, see_handle_relevant_uses,
        see_handle_relevant_refs, see_analyze_one_def,
        see_update_relevancy, see_propagate_extensions_to_uses): Replaced
        struct df_ref * with df_ref.
        * ra-conflict.c (record_one_conflict, clear_reg_in_live,
        global_conflicts): Replaced struct df_ref * with df_ref.
        * ddg.c (create_ddg_dep_from_intra_loop_link,
        add_cross_iteration_register_deps, build_inter_loop_deps):
        Replaced struct df_ref * with df_ref.
        (create_ddg_dep_from_intra_loop_link,
        add_cross_iteration_register_deps): Use macros to hide references
        to df_refs.
        * auto-inc-dec.c (find_inc, merge_in_block): Replaced struct
        df_ref * with df_ref.
        * df-core.c (df_bb_regno_first_def_find,
        df_bb_regno_last_def_find, df_find_def, df_find_use,
        df_refs_chain_dump, df_regs_chain_dump, df_ref_debug,
        debug_df_ref): Replaced struct df_ref * with df_ref.
        (df_mws_dump, df_ref_debug): Use macros to hide references to df_refs.
        * cse.c (cse_extended_basic_block): Replaced struct df_ref * with
        df_ref.
        * web.c (union_defs, entry_register, replace_ref, web_main):
        Replaced struct df_ref * with df_ref.
        (union_defs, replace_ref): Use macros to hide references to df_refs.
        * global.c (compute_regs_asm_clobbered, build_insn_chain):
        Replaced struct df_ref * with df_ref.
        * ifcvt.c (dead_or_predicable): Replaced struct df_ref * with df_ref.
        * sel-sched-ir.c (maybe_downgrade_id_to_use, setup_id_reg_sets, ):
        Replaced struct df_ref * with df_ref.
        * ira-lives.c (mark_ref_live, def_conflicts_with_inputs_p,
        mark_ref_dead, process_bb_node_lives): Replaced struct df_ref *
        with df_ref.
        * local-alloc.c (block_alloc): Replaced struct df_ref * with df_ref.
        * df-byte-scan.c (df_compute_accessed_bytes_extract,
        df_compute_accessed_bytes_strict_low_part,
        df_compute_accessed_bytes_subreg, df_compute_accessed_bytes):
        Replaced struct df_ref * with df_ref.
        (df_compute_accessed_bytes): Use macros to hide references to df_refs.
        * init-regs.c (initialize_uninitialized_regs): Replaced struct
        df_ref * with df_ref.
        * loop-invariant.c (invariant_for_use, hash_invariant_expr_1,
        check_dependency, check_dependencies, record_uses): Replaced
        struct df_ref * with df_ref.
        (invariant_for_use, check_dependency): Use macros to hide
        references to df_refs.
        * loop-iv.c (iv_analysis_loop_init, iv_get_reaching_def,
        get_biv_step_1, get_biv_step, record_iv, iv_analyze_def,
        iv_analyze, biv_p): Replaced struct df_ref * with df_ref.
        (iv_analysis_loop_init, iv_get_reaching_def): Use macros to hide
        references to df_refs.
        * ira.c (compute_regs_asm_clobbered): Replaced struct df_ref *
        with df_ref.
        * combine.c (create_log_links): Replaced struct df_ref * with df_ref.
        * df-problems.c (df_rd_bb_local_compute_process_def,
        df_lr_bb_local_compute, df_live_bb_local_compute, df_chain_create,
        df_chain_unlink_1, df_chain_unlink, df_chain_copy,
        df_chain_remove_problem, df_chain_create_bb_process_use,
        df_chain_create_bb, df_chain_top_dump, df_chain_bottom_dump,
        df_byte_lr_check_regs, df_byte_lr_bb_local_compute,
        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_create_unused_note,
        df_note_bb_compute, df_note_add_problem, df_simulate_defs,
        df_simulate_uses, df_simulate_artificial_refs_at_end,
        df_simulate_artificial_refs_at_top): Replaced struct df_ref * with
        df_ref.
        (df_chain_dump): Use macros to hide references to df_refs.
        * config/mips/mips.c (r10k_simplify_address): Replaced struct
        df_ref * with df_ref.
        * dce.c (mark_nonreg_stores, delete_corresponding_reg_eq_notes,
        mark_artificial_uses, mark_reg_dependencies,
        byte_dce_process_block): Replaced struct df_ref * with df_ref.

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

        * tree.h (contains_packed_reference): Mention ARRAY_RANGE_REF in
        head comment.
        (array_ref_element_size): Likewise.
        (array_ref_low_bound): Likewise.
        (array_ref_up_bound): Likewise.
        * expr.c (contains_packed_reference): Likewise.
        (array_ref_element_size): Likewise.
        (array_ref_low_bound): Likewise.
        (array_ref_up_bound): Likewise.
        * tree-ssa-loop-ivopts.c (idx_contains_abnormal_ssa_name_p): Deal
        with ARRAY_RANGE_REF.
        (idx_find_step): Likewise.
        (idx_record_use): Likewise.
        (strip_offset_1): Likewise.
        (idx_remove_ssa_names): Likewise.

2008-10-11  Uros Bizjak  <ubizjak@gmail.com>
            Andi Kleen  <ak@linux.intel.com>

        * config/i386/cpuid.h (__cpuid_count): New defines.
        * config/i386/driver-i386.c (struct cache_desc): New structure.
        (describe_cache): Use struct cache_desc to pass cache descriptions.
        (detect_l2_cache): Ditto. Rename from decode_l2_cache.
        (detect_caches_amd): Use struct cache_desc to describe caches.
        (decode_caches_intel): Use struct cache_desc to pass cache
        descriptions.  Update descriptions to match latest (rev -032,
        December 2007) CPUID documentation.  Do not check valid bit here.
        Check for Xeon MP value 0x49 problems.
        (detect_caches_cpuid2): New function, split from detect_caches_intel.
        Check valid bit before calling decode_caches_intel.  Detect number
        of times to repeat CPUID instruction.
        (detect_caches_cpuid4): New function.
        (detect_caches_intel): Depending on max_level, call
        detect_caches_cpuid2 or detect_caches_cpuid4.  Call detect_l2_cache
        only when other methods fail to provide valid L2 cache description.

2008-10-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/37608
        * pa.md (call, call_value): Generate an rtx for register r4 and pass
        it to PIC call patterns.
        (call_symref_pic): Revise pattern to expose PIC register save.  Remove
        code generation and attributes from pattern.  Change peephole2 to
        split for noreturn case.  Revise split pattern for non noreturn case.
        (call_symref_64bit, call_reg_pic, call_reg_64bit, call_val_symref_pic,
        call_val_symref_64bit, call_val_reg_pic, call_val_reg_64bit): Likewise.
        * pa.c (attr_length_call): Simplify extraction of call rtx.  Add some
        asserts.

2008-10-11  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (aux_truncdfsf2): Remove TARGET_SINGLE_FLOAT.
        (addsf3, subsf3, mulsf3 ! TARGET_POWERPC): Remove TARGET_SINGLE_FLOAT
        and fp_type.
        (divdf3): Reformat long line.

2008-10-11  Michael J. Eager  <eager@eagercon.com>

        * config/rs6000/rs6000.c (rs6000_parse_fpu_option): Interpret
        -mfpu options.
        (rs6000_handle_option): Process -mfpu options.
        * config/rs6000/rs6000.h: (TARGET_XILINX_FPU): New.
        (enum fpu_type_t): New.
        * config/rs6000/rs6000.md (attr fp_type): New.  Include xfpu.md.
        (addsf3, subsf3, mulsf3, adddf3, subdf3, muldf3, trunctfdf2): Set
        fp_type.
        (floatsisf2): Remove TARGET_SINGLE_FPU condition.
        (floatdidf2): Add TARGET_SINGLE_FPU condition.
        * config/rs6000/rs6000.opt (-mfpu): New.
        (-mxilinx-fpu): New.
        * config/rs6000/sysv4.h: (DRIVER_SELF_SPECS): New.
        * config/rs6000/xfpu.h: New. Define TARGET_XILINX_FPU.
        * config/rs6000/xfpu.md: New. Define Xilinx pipeline.
        * gcc/config.gcc: powerpc-xilinx-eabi target: New.
        * gcc/doc/invoke.texi (RS/6000 and PowerPC Options): Add -mfpu option.

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

        PR target/35760
        * config/rs6000/rs6000.c (rs6000_legitimize_address): Only create
        LO_SUM on Darwin if mode has just one unit.

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

        PR debug/37002
        * dwarf2out.c (mem_loc_descriptor): Use DRAP for vDRAP which
        has been optimized out.

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

        * config/sh/sh.h (PREFERRED_RELOAD_CLASS): Test PIC_ADDR_P
        instead of PIC_DIRECT_ADDR_P.
        (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
        (IS_LITERAL_OR_SYMBOLIC_S16_P, IS_LITERAL_OR_SYMBOLIC_U16_P): Delete.
        (IS_NON_EXPLICIT_CONSTANT_P): Don't test PIC_OFFSET_P.
        (PIC_OFFSET_P): Rename to...
        (PCREL_SYMOFF_P): ...this.
        (PIC_DIRECT_ADDR_P): Delete.
        (MOVI_SHORI_BASE_OPERAND_P): Check PCREL_SYMOFF_P instead of
        PIC_OFFSET_P.
        (OUTPUT_ADDR_CONST_EXTRA): Don't require unspecs to have a
        single argument.  Handle UNSPEC_EXTRACT_S16, UNSPEC_EXTRACT_U16,
        UNSPEC_SYMOFF and UNSPEC_PCREL_SYMOFF.
        * config/sh/sh.c (print_operand): Remove CONST handling.
        (unspec_caller_rtx_p): Rewrite to use split_const and check
        the operands of UNSPEC bases.
        (fixup_mova): Replace (unspec [(minus A B)] UNSPEC_PIC)
        with (unspec [A B] UNSPEC_SYMOFF).
        (nonpic_symbol_mentioned_p): Check for UNSPEC_SYMOFF and
        UNSPEC_PCREL_SYMOFF.
        (sh_secondary_reload): Test PIC_ADDR_P instead of PIC_DIRECT_ADDR_P.
        * config/sh/sh.md (UNSPEC_EXTRACT_S16): New unspec.
        (UNSPEC_EXTRACT_U16): Likewise.
        (UNSPEC_SYMOFF): Likewise.
        (UNSPEC_PCREL_SYMOFF): Likewise.
        (movsi_const): Use UNSPEC_EXTRACT_*16s to extract 16-bit portions
        of constants.
        (movsi_const_16bit): Likewise.
        (movdi_const, movdi_const_32bit, movdi_const_16bit): Likewise.
        (GOTaddr2picreg): Replace (unspec [(minus A (minus B pc))] UNSPEC_PIC)
        with (unspec [A B] UNSPEC_PCREL_SYMOFF).
        (sym_label2reg): Replace (minus (const (unspec [A] UNSPEC_PIC)) B)
        with (unspec [A B] UNSPEC_SYMOFF).
        (symPLT_label2reg): Replace (minus A (minus B pc)) with
         (unspec [A B] PCREL_UNSPEC_SYMOFF).
        * config/sh/constraints.md (Css): Check for an UNSPEC_EXTRACT_S16.
        (Csu): Likewise UNSPEC_EXTRACT_U16.
        (Csy): Test PIC_ADDR_P instead of PIC_DIRECT_ADDR_P.
        (Cpg): Update after changes to IS_NON_EXPLICIT_CONSTANT_P.

2008-10-10  Stepan Kasal  <skasal@redhat.com>

        * gcc/doc/invoke.texi (Optimize Options): Fix typo in examples
        for loop strip mining and loop blocking.

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

        * fortran/trans-types.c (gfc_get_nodesc_array_type): Don't
        vary types depending on debug info.

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

        * c-gimplify.c (c_genericize): Don't refer to DECL_ASSEMBLER_NAME
        before ensuring it's already computed.

2008-10-09  Jakub Jelinek  <jakub@redhat.com>

        * rtl.h (locator_eq): New decl.
        * cfglayout.c (locator_scope): New function.
        (insn_scope): Use it.
        (locator_eq): New function.
        (fixup_reorder_chain): Search for last insn in src bb
        that has locator set or first insn in dest bb.  Use
        locator_eq instead of == to compare locators.
        * cfgrtl.c (cfg_layout_merge_blocks): Likewise.
        * cfgcleanup.c (try_forward_edges): Use locator_eq instead of
        == to compare locators.

        * tree-ssa-live.c (remove_unused_locals): Mark all edge's goto_block
        as used.
        * gimple-low.c (lower_function_body, lower_gimple_return,
        lower_builtin_setjmp): Set gimple_block on the newly created stmts.
        * tree-cfg.c (make_cond_expr_edges, make_goto_expr_edges): Only set
        goto_block on edges if goto_locus is known.

        PR middle-end/37774
        * tree.h (get_object_alignment): Declare.
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Call
        get_object_alignment if needed.
        * builtins.c (get_pointer_alignment): Move ADDR_EXPR operand
        handling to ...
        (get_object_alignment): ... here.  New function.  Try harder to
        determine alignment from get_inner_reference returned offset.

2008-10-08  Jakub Jelinek  <jakub@redhat.com>

        * graphite.c (gloog): Don't call find_unreachable_blocks
        before delte_unreachable_blocks.

        * cfgexpand.c (expand_gimple_cond): Convert also goto_block and
        goto_locus of true_edge into RTL locator.

2008-10-08  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*jcc_btdi_rex64): Clobber FLAGS_REG.
        (*jcc_btdi_mask_rex64): Ditto.
        (*jcc_btsi): Ditto.
        (*jcc_btsi_mask): Ditto.
        (*jcc_btsi_1): Ditto.
        (*jcc_btsi_mask_1): Ditto.

2008-10-08  Paul Brook  <paul@codesourcery.com>

        * config/arm/bpabi.h (ARM_FUNCTION_PROFILER): Define new EABI
        compatible profiler (__gnu_mcount_nc).
        (SUBTARGET_FRAME_POINTER_REQUIRED): Define.

2008-10-08  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (initial_ix86_tune_features): Add
        X86_TUNE_USE_VECTOR_FP_CONVERTS.
        * config/i386/i386.h (ix86_tune_indices): Likewise.
        (TARGET_USE_VECTOR_FP_CONVERTS): New.

        * config/i386/i386.md: Check TARGET_USE_VECTOR_FP_CONVERTS
        instead of (TARGET_USE_VECTOR_CONVERTS || TARGET_GENERIC)
        for FP to FP splitters.

2008-10-08  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.md: Add missing gen_sse2_cvtdq2p to convert
        splitter.

2008-10-08  Jakub Jelinek  <jakub@redhat.com>

        PR target/36635
        PR target/37290
        PR rtl-optimization/37341
        * cse.c (cse_cc_succs): Add ORIG_BB argument, don't follow edges
        to ORIG_BB, pass through ORIG_BB recursively.
        (cse_condition_code_reg): Adjust caller.

2008-10-08  Kai Tietz  <kai.tietz@onevision.com>

        * sdbout.c (sdbout_one_type): Treat the value type
        CONST_DECL for enumerals.

2008-10-07  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.md: Remove trailing white spaces.

2008-10-07  Kenneth Zadeck <zadeck@naturalbridge.com>

        PR rtl-optimization/37448
        * alloc-pool.c (struct alloc_pool_descriptor) [elt_size]: New field.
        (stuct alloc_pool_descriptor) [created, allocated, current, peak]:
        Make unsigned long.
        (struct output_info) [count]: Renamed total_created and made
        unsigned long.
        (struct output_info) [size]: Renamed total_allocated and made
        unsigned long.
        (create_alloc_pool, empty_alloc_pool, pool_alloc, pool_free):
        Properly keep track of desc->size.
        (print_statistics, dump_alloc_pool_statistics): Enhance the
        printing of statistics to print the number of elements and to use
        unsigned longs.
        
2008-10-07  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/37576
        * opts.h (CL_SAVE): Move up to flags range.
        (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_TARGET,
        CL_COMMON): Renumber.
        (CL_MIN_OPTION_CLASS): Set to CL_PARAMS.
        * opts.c (common_handle_option): Revert last change.

2008-10-07  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386-protos.h (ix86_schedule): New.

        * config/i386/i386.c (ix86_schedule): New.
        (override_options): Add schedule to processor_alias_table.  Set
        ix86_schedule from the schedule field in processor_alias_table.
        (ix86_function_specific_save): Save ix86_schedule.
        (ix86_function_specific_restore): Restore ix86_schedule.

        * config/i386/i386.md (cpu): Map to ix86_schedule instead of
        ix86_tune.  Add none and remove i386, i486, pentium4, nocona
        and generic32.

        * config/i386/i386.opt: Add schedule.

        * config/i386/ppro.md: Remove generic32.

2008-10-07  Simon Martin  <simartin@users.sourceforge.net>

        PR c/35437
        * expr.c (count_type_elements): Handle ERROR_MARK.

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

        PR debug/29609
        PR debug/36690
        PR debug/37616
        * basic-block.h (struct edge_def): Add goto_block field.
        * cfglayout.c (fixup_reorder_chain): Ensure that there is at least
        one insn with locus corresponding to edge's goto_locus if !optimize.
        * profile.c (branch_prob): Copy edge's goto_block.
        * cfgrtl.c (force_nonfallthru_and_redirect): Use goto_locus for
        emitted jumps.
        (cfg_layout_merge_blocks): Emit a nop with edge's goto_locus
        locator in between the merged basic blocks if !optimize and needed.
        * cfgexpand.c (expand_gimple_cond): Convert goto_block and
        goto_locus into RTL locator.  For unconditional jump use that
        locator for the jump insn.
        (expand_gimple_cond): Convert goto_block and goto_locus into
        RTL locator for all remaining edges.  For unconditional jump
        use that locator for the jump insn.
        * cfgcleanup.c (try_forward_edges): Avoid the optimization if
        there is more than one edge or insn locator along the forwarding
        edges and !optimize.  If there is just one, set e->goto_locus.
        * tree-cfg.c (make_cond_expr_edges, make_goto_expr_edges): Set also
        edge's goto_block.
        (move_block_to_fn): Adjust edge's goto_block.

2008-10-07  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/37731
        * expmed.c (expand_mult): Properly check DImode constant in
        CONST_DOUBLE.

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

        PR debug/37738
        * dwarf2out.c (common_block_die_table): New variable.
        (common_block_die_table_hash, common_block_die_table_eq): New
        functions.
        (gen_variable_die): Look up a DW_TAG_common_block die for a particular
        COMMON block in the current scope rather than globally.  Optimize
        DW_OP_addr SYMBOL_REF DW_OP_plus_uconst off into
        DW_OP_addr SYMBOL_REF+off.

2008-10-07  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p) <VIEW_CONVERT_EXPR>:
        Return true for non-addressable GIMPLE operands.

2008-10-07  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/24765
        * config/i386/i386.c (initial_ix86_tune_features): Remove
        X86_TUNE_USE_BIT_TEST.
        * config/i386/i386.h (ix86_tune_indices): Likewise.
        (TARGET_USE_BIT_TEST): Removed.

2008-10-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * config.gcc (arm*-*-*): Add aapcs-linux to supported ABIs.

2008-10-06  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.md (mulsi3_mul3, muldi3_mul3): Merge these ...
        (mul<mode>3_mul3): ... into this new template.

2008-10-06  Aldy Hernandez  <aldyh@redhat.com>

        * gimplify.c (gimplify_arg): Add location argument.  Use it.
        (gimplify_call_expr): Pass location to gimplify_arg.
        (gimplify_modify_expr_to_memcpy): Same.
        (gimplify_modify_expr_to_memset): Same.

2008-10-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
        Update calls to build_unary_op and build_indirect_ref for location
        changes.

2008-10-06  Aldy Hernandez  <aldyh@redhat.com>

        build_modify_expr.
        * c-decl.c (finish_decl): Pass input_location to build_unary_op.
        * c-typeck.c (array_to_pointer_conversion): Pass location to
        build_unary_op.
        (function_to_pointer_conversion): Use error_at and warning_at.
        (build_indirect_ref): Same.
        (build_array_ref): Pass location to build_binary_op.
        (parser_build_unary_op): Do not set location after calling
        build_unary_op.
        (build_unary_op): Add location argument.  Use it throughout.  Set
        EXPR_LOCATION before returning new tree.
        (build_modify_expr): Same.
        (build_binary_op): Use location throughout.  Set EXPR_LOCATION before
        returning node.
        * c-omp.c (c_finish_omp_atomic): Pass location to build_unary_op,
        build_indirect_ref, build_modify_expr.
        (c_finish_omp_for): Same.  Use error_at instead of error.
        * c-common.c (c_common_truthvalue_conversion): Pass location to
        build_unary_op.
        (warn_for_div_by_zero): Add location argument.
        * c-common.h: Add argument to build_modify_expr, build_indirect_ref,
        build_unary_op, warn_for_div_by_zero.
        * c-parser.c (c_parser_typeof_specifier): Use
        protected_set_expr_location.
        (c_parser_statement_after_labels): Same.
        (c_parser_condition): Same.
        (c_parser_expr_no_commas): Pass correct location to build_modify_expr.
        (c_parser_conditional_expression): Use protected_set_expr_location.
        (c_parser_unary_expression): Pass location to build_indirect_ref.
        (c_parser_postfix_expression_after_primary): Pass location to
        build_indirect_ref, build_unary_op.
        (c_parser_omp_for_loop): Set the increment expression's EXPR_LOCATION.

2008-10-06  Joshua Kinard  <kumba@gentoo.org>

        * doc/invoke.texi: List r1x000 family under the -march MIPS option.
        * config/mips/mips.h (PROCESSOR_R10000): New processor_type.
        * config/mips/mips.c (mips_cpu_info_table): Add r10000, r12000,
        r14000 and r16000.
        (mips_rtx_cost_data): Add a PROCESSOR_R10000 entry.
        (mips_issue_rate): Handle PROCESSOR_R10000.
        * config/mips/mips.md (cpu): Add r10000.
        Include r10000.md.
        * config/mips/10000.md: New file.

2008-10-06  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/rs6000/rs6000-protos.h (rs6000_find_base_term): Declare.
        * config/rs6000/rs6000.h (FIND_BASE_TERM): New macro.
        * config/rs6000/rs6000.c (rs6000_find_base_term): New function.

2008-10-06  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/darwin-protos.h (machopic_function_base_name): Delete.
        (machopic_function_base_sym): Likewise.
        (machopic_gen_offset): Declare.
        * config/darwin.h (MACHOPIC_FUNCTION_BASE_NAME): New macro.
        (ASM_OUTPUT_LABELREF): Use it instead of a hard-coded string constant.
        * config/darwin.c (machopic_function_base_name): Delete.
        (machopic_function_base_sym): Likewise.
        (gen_pic_offset): Rename to...
        (machopic_gen_offset): ...this and remove the pic_base argument.
        Instead use MACHO_DYNAMIC_NO_PIC_P to decide whether a PIC offset
        is needed.  Create an UNSPEC_MACHOPIC_OFFSET if so, and set
        crtl->uses_pic_offset_table.
        (machopic_indirect_data_reference): Use new machopic_gen_offset
        interface.
        (machopic_legitimize_pic_address): Likewise.
        (machopic_operand_p): Check for UNSPEC_MACHOPIC_OFFSET.

        * config/i386/darwin.h (GOT_SYMBOL_NAME): Use
        MACHOPIC_FUNCTION_BASE_NAME instead of machopic_function_base_name.
        * config/i386/i386.c (output_set_got): Likewise.
        (darwin_local_data_pic): Check for an UNSPEC_MACHOPIC_OFFSET
        instead of a MINUS.
        (legitimate_pic_operand_p): Handle UNSPEC_MACHOPIC_OFFSET.
        (legitimate_address_p): Likewise.
        (output_pic_addr_const): Likewise.
        (output_addr_const_extra): Likewise.
        (ix86_delegitimize_address): Expect darwin_local_data_pic to
        match an UNSPEC rather than a MINUS.
        * config/i386/i386.md (UNSPEC_MACHOPIC_OFFSET): Define.
        (builtin_setjmp_receiver): Use machopic_gen_offset.
        * config/i386/predicates.md (pic_symbolic_operand): Handle
        UNSPEC_MACHOPIC_OFFSET.

        * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
        Use machopic_gen_offset and machopic_operand_p.
        (rs6000_output_addr_const_extra): Handle UNSPEC_MACHOPIC_OFFSET.
        (rs6000_emit_prologue): Use MACHOPIC_FUNCTION_BASE_NAME.
        * config/rs6000/rs6000.md (UNSPEC_MACHOPIC_OFFSET): Define.
        (builtin_setjmp_receiver): Use MACHOPIC_FUNCTION_BASE_NAME.
        Set crtl->uses_pic_offset_table.

2008-10-06  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/rs6000/rs6000-protos.h (rs6000_output_addr_const_extra):
        Declare.
        * config/rs6000/rs6000.h (OUTPUT_ADDR_CONST_EXTRA): New macro.
        * config/rs6000/rs6000.md (UNSPEC_TOCREL): New constant.
        * config/rs6000/rs6000.c (constant_pool_expr_1): Delete.
        (constant_pool_expr_p): Use split_const and check the base.
        (toc_relative_expr_p): Likewise, checking for an UNSPEC_TOCREL
        instead of a MINUS.
        (legitimate_constant_pool_address_p): Check toc_relative_p
        instead of constant_pool_expr_p.
        (print_operand_address): Always use output_addr_const for
        constant pool addresses.
        (rs6000_output_addr_const_extra): New function.
        (create_TOC_reference): Create an UNSPEC_TOCREL instead of a MINUS.

2008-10-06  Vladimir Makarov  <vmakarov@redhat.com>

        PR middle-end/37535

        * ira-lives.c (mark_reg_live, mark_reg_dead): New functions.
        (mark_ref_live, mark_ref_dead): Use them.
        (def_conflicts_with_inputs_p): Remove.
        (mark_early_clobbers): New function.
        (process_bb_node_lives): Call preprocess_constraints and
        mark_early_clobbers.

        * doc/rtx.texi (clobber): Change how RA deals with clobbers.

2008-10-06  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/mingw32.h (REAL_LIBGCC_SPEC): Add thread cleanup
        lib with -mthread switch.

2008-10-05  Dodji Seketeli  <dodji@redhat.com>

        PR c++/37410
        * dwarf2out.c (dwarf2out_imported_module_or_decl): Split this
        function in two, making it call a new and reusable
        dwarf2out_imported_module_or_decl() that takes the containing
        BLOCK of the declaration in argument.
        (dwarf2out_imported_module_or_decl_real): New function.
        (decls_for_scope, gen_decl_die, dwarf2out_decl): Take
        IMPORTED_DECL in account.
        * tree.def: Added IMPORTED_DECL node type.
        * tree.h: Added accessors for IMPORTED_DECL nodes.
        * tree.c (init_ttree): Initialise IMPORTED_DECL node type.

2008-10-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/gimple.texi: Fix some typos, wrap some long lines,
        fix some broken wraps with continuations.
        * tree-ssa-reassoc.c: Fix comment typos.

2000-10-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/37603
        * pa.c (legitimize_pic_address): Force function labels to memory in
        word mode.

2008-10-04  Anton Blanchard  <anton@samba.org>

        * config/rs6000/rs6000.c (rs6000_emit_sync): Use gen_lwsync().
        (rs6000_split_atomic_op): Same.
        (rs6000_split_compare_and_swap): Same.
        (rs6000_split_compare_and_swapqhi): Same.

2008-10-04  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.c (vn_reference_op_eq): Use types_compatible_p
        instead of pointer equality.
        (vn_nary_op_eq): Likewise.

2008-10-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * config/rs6000/rs6000.md (fseldfsf4): Add TARGET_SINGLE_FLOAT 
        condition.
        (fselsfdf4): Make condition on "TARGET_HARD_FLOAT && TARGET_FPRS &&
        TARGET_DOUBLE_FLOAT && TARGET_SINGLE_FLOAT".

2008-10-03  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/winnt.c (i386_pe_strip_name_encoding_full):
        Revert previous change.

2008-10-03  Tom Tromey  <tromey@redhat.com>

        * stringpool.c (ggc_alloc_string): Terminate string.

2008-10-03  Jakub Jelinek  <jakub@redhat.com>

        * gimplify.c (gimplify_function_tree): For -finstrument-functions
        use gimple_bind_{,set_}block instead of gimple_{,set_}block.
        * gimple.h (gimple_bind_set_block): Allow second argument to be NULL.

        PR debug/37726
        * gimplify.c (declare_vars): Use gimple_bind_block instead of
        gimple_block.

2008-10-03  Pascal Obry  <obry@adacore.com>

        * gcov.c (create_file_names): Properly handle UNIX and DOS
        directory separators.
        (make_gcov_file_name): Likewise + convert the ':' DOS drive
        separator to '~' to ensure clean filenames on Windows.

2008-10-02  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/winnt.c (i386_pe_strip_name_encoding_full):
        Add a null terminator to the stripped name.

2008-10-02  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (USE_FP_FOR_ARG_P): Revert
        TARGET_DOUBLE_FLOAT, TARGET_SINGLE_FLOAT.
        (function_arg_advance): Condition on TARGET_DOUBLE_FLOAT,
        TARGET_SINGLE_FLOAT.  Revert SCALAR_FLOAT_MODE_P condition.
        (function_arg): Condition on TARGET_DOUBLE_FLOAT, TARGET_SINGLE_FLOAT.
        (rs6000_function_value): Revert TARGET_DOUBLE_FLOAT,
        TARGET_SINGLE_FLOAT.

2008-10-02  Daniel Jacobowitz  <dan@codesourcery.com>

        * builtins.c (fold_builtin_pow): Check for 0 ** NEGATIVE.

2008-10-02  Richard Guenther  <rguenther@suse.de>

        PR middle-end/37713
        * tree-ssa.c (useless_type_conversion_p_1): For COMPLEX_TYPE
        and VECTOR_TYPE recurse with useless_type_conversion_p which
        properly handles void pointer conversion.

2008-10-02  Danny Smith  <dannysmith@users.sourceforge.net>  

        PR target/37528
        * config/i386/mingw32.h (LIBGCC_SPEC) : Replace with ..
        (REAL_LIBGCC_SPEC): New.  Always include -lgcc.

2008-10-01  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
        Handle ALTIVEC_BUILTIN_VEC_SPLATS, ALTIVEC_BUILTIN_VEC_PROMOTE,
        ALTIVEC_BUILTIN_VEC_EXTRACT, and ALTIVEC_BUILTIN_VEC_INSERT specially,
        they translate to non builtins.
        * config/rs6000/rs6000.c (altivec_init_builtins): Add new variable
        opaque_ftype_opaque.  Define builtins __builtin_vec_splats,
        __builtin_vec_promote, __builtin_vec_extract, and
        __builtin_vec_insert.
        * config/rs6000/rs6000.h (enum rs6000_builtins): Add
        ALTIVEC_BUILTIN_VEC_EXTRACT, ALTIVEC_BUILTIN_VEC_PROMOTE,
        ALTIVEC_BUILTIN_VEC_INSERT, and ALTIVEC_BUILTIN_VEC_SPLATS.
        * config/rs6000/altivec.h (vec_extract): Define
        (vec_insert): Define.
        (vec_splats): Define.
        (vec_promote): Define.

2008-10-01  Andrew Pinski  <andrew_pinski@playstation.sony.com>
            Yukishige Shibata  <shibata@rd.scei.sony.co.jp>
            Trevor Smigiel  <Trevor_Smigiel@playstation.sony.com>

        * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add Cell
        Altivec intrinsics.
        * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Delete
        prototype.  Add new parameter, blk.
        Use BLKmode for the MEM if blk is true.
        (altivec_expand_builtin): Handle ALTIVEC_BUILTIN_STVLX,
        ALTIVEC_BUILTIN_STVLXL, ALTIVEC_BUILTIN_STVRX, and
        ALTIVEC_BUILTIN_STVRXL.
        Update usage of altivec_expand_lv_builtin.
        Handle ALTIVEC_BUILTIN_LVLX, ALTIVEC_BUILTIN_LVLXL,
        ALTIVEC_BUILTIN_LVRX, and ALTIVEC_BUILTIN_LVRXL.
        (altivec_init_builtins): If compiling for the Cell, also define the
        cell VMX builtins.
        * config/rs6000/rs6000.h (rs6000_builtins): Define
        ALTIVEC_BUILTIN_LVLX, ALTIVEC_BUILTIN_LVLXL, ALTIVEC_BUILTIN_LVRX,
        ALTIVEC_BUILTIN_LVRXL, ALTIVEC_BUILTIN_STVLX, ALTIVEC_BUILTIN_STVLXL,
        ALTIVEC_BUILTIN_STVRX, ALTIVEC_BUILTIN_STVRXL,
        ALTIVEC_BUILTIN_VEC_LVLX, ALTIVEC_BUILTIN_VEC_LVLXL,
        ALTIVEC_BUILTIN_VEC_LVRX, ALTIVEC_BUILTIN_VEC_LVRXL,
        ALTIVEC_BUILTIN_VEC_STVLX, ALTIVEC_BUILTIN_VEC_STVLXL,
        ALTIVEC_BUILTIN_VEC_STVRX, and ALTIVEC_BUILTIN_VEC_STVRXL.
        * config/rs6000/altivec.md (define_constants): Define UNSPEC_LVLX,
        UNSPEC_LVLXL, UNSPEC_LVRX, UNSPEC_LVRXL, UNSPEC_STVLX, UNSPEC_STVLXL,
        UNSPEC_STVRX, and UNSPEC_STVRXL.
        (altivec_lvlx): New pattern.
        (altivec_lvlxl): New pattern.
        (altivec_lvrx): New pattern.
        (altivec_lvrxl): New pattern.
        (altivec_stvlx): New pattern.
        (altivec_stvlxl): New pattern.
        (altivec_stvrx): New pattern.
        (altivec_stvrxl): New pattern.
        * config/rs6000/altivec.h (vec_lvlx): Define if PPU is defined.
        (vec_lvlxl): Likewise.
        (vec_lvrx): Define if PPU is defined.
        (vec_lvrxl): Likewise.
        (vec_stvlx): Define if PPU is defined.
        (vec_stvlxl): Likewise.
        (vec_stvrx): Define if PPU is defined.
        (vec_stvrxl): Likewise.

2008-10-01  Geert Bosch  <bosch@adacore.com>

        * tree.c (contains_placeholder_p): Return 0 for a SAVE_EXPR.

2008-10-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/37617
        * tree-ssa-pre.c (create_expression_by_pieces): During FRE
        do not add to the NEW_SETS.

2008-10-01  Richard Guenther  <rguenther@suse.de>

        PR middle-end/37285
        * tree-vrp.c (execute_vrp): If we optimized away the default
        case make sure to promote the label that got in place of it
        to a default case label.

2008-10-01  Richard Henderson  <rth@redhat.com>

        PR tree-opt/35737
        * tree-complex.c (set_component_ssa_name): Don't optimize
        is_gimple_min_invariant values with ssa_names in abnormal phis.

2008-09-30  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/37662
        * tree-ssa-ccp.c (fold_gimple_assign): Invert the operands of a
        commutative binary operation if they are in the wrong order and
        fold_build2 produces non-GIMPLE.

2008-09-30  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/37662
        PR tree-optimization/37663
        * tree-vrp.c (simplify_truth_ops_using_ranges): Don't call
        get_value_range with non-SSA_NAME.  Don't assert operands have been
        folded, instead just bail out.

2008-09-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * config/rs6000/rs6000.md (fnmadds combiner): Revert typo.

2008-09-30  Richard Guenther  <rguenther@suse.de>

        PR middle-end/37491
        * tree-vect-transform.c (vect_create_data_ref_ptr): Properly
        build restrict-qualified pointers.
        (vectorizable_store): Move alias check later.
        (vectorizable_load): Likewise.

2008-09-30  Paolo Bonzini  <bonzini@gnu.org>

        * c-common.c (empty_if_body_warning): Remove.
        * c-common.h (empty_if_body_warning): Remove.
        * c-parser.c (c_parser_if_body, c_parser_else_body): Implement
        here the -Wempty-body warning for `if' and `else' statements.
        * c-typeck.c (c_finish_if_stmt): Do not call empty_body_warning.

2008-09-29  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.opt: Add msse2avx.

        * config/i386/linux.h (ASM_SPEC): New.  Support -msse2avx.
        * config/i386/linux64.h (ASM_SPEC): Likewise.

        * doc/invoke.texi: Document -msse2avx.

2008-09-29  Eric Botcazou  <ebotcazou@adacore.com>

        * dwarf2out.c (constant_size): Use HOST_WIDE_INT in parameter type.

2008-09-29  Joseph Myers  <joseph@codesourcery.com>

        * ifcvt.c (noce_emit_store_flag): If using condition from original
        jump, reverse it if if_info->cond was reversed.

2008-09-29  Eric Botcazou  <ebotcazou@adacore.com>

        * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
        non-constant memory if it cannot be forced to constant memory.
        Overhaul surrounding code and factor out common condition.

2008-09-29  Jeff Law <law@redhat.com>

        * reload1.c (alter_reg): Add missing curly braces.

2008-09-29  Michael J. Eager  <eager@eagercon.com>

        * config/rs6000/predicates.md (easy_fp_constant): Single FP consts
        are easy.
        * config/rs6000/rs6000.c (rs6000_override_options): Move
        rs6000_init_hard_regno_mode_ok after all options changed.
        Set rs6000_single_float, rs6000_double_float if TARGET_HARD_FLOAT.
        (rs6000_handle_option): Process -msingle-float, -mdouble-float,
        -msimple-fpu flags.  Add warning messages if single FP not configured.
        (rs6000_file_start): Output gnu_attribute for single-float.
        (legitimate_lo_sum_address_p): Condition on TARGET_DOUBLE_FLOAT.
        (rs6000_legitimize_address): Likewise.
        (rs6000_legitimize_reload_address): Likewise.
        (rs6000_emit_move): Condition on TARGET_DOUBLE_FLOAT,
        TARGET_SINGLE_FLOAT.
        (function_arg_advance): Likewise (partial conversion).
        (setup_incoming_varargs): Condition on TARGET_DOUBLE_FLOAT.
        (rs6000_gimplify_va_arg): Condition on TARGET_DOUBLE_FLOAT,
        TARGET_SINGLE_FLOAT.
        (rs6000_split_multireg_move): Condition on TARGET_DOUBLE_FLOAT.
        (rs6000_emit_prologue): Likewise.
        (rs6000_function_value): Condition on TARGET_DOUBLE_FLOAT,
        TARGET_SINGLE_FLOAT.
        (rs6000_libcall_value): Likewise.
        * config/rs6000/rs6000.h (TARGET_SINGLE_FLOAT): New default to 1.
        (TARGET_DOUBLE_FLOAT): New default to 1
        (TARGET_SIMPLE_FPU): New default to 0
        (TARGET_SINGLE_FPU): New default to 0
        (TARGET_SINGLE_FLOAT_MODE): New.
        (TARGET_DOUBLE_FLOAT_MODE): New.
        * config/rs6000/singlefp.h: New; redefine TARGET_SINGLE_FLOAT,
        TARGET_DOUBLE_FLOAT, TARGET_SIMPLE_FPU, TARGET_SINGLE_FPU,
        UNITS_PER_FP_WORD
        * config/rs6000/rs6000.md (define_mode_iterator): Condition on
        TARGET_DOUBLE_FLOAT, TARGET_SINGLE_FLOAT.
        (extendsfdf2, extendsfdf2_fpr, truncdfsf2, truncdfsf2_fpr,
        copysigndf3,fseldfsf4, negdf2, negdf2_fpr, absdf2, absdf2_fpr,
        nabsdf2_fpr, adddf3, adddf3_fpr, subdf3, subdf3_fpr, muldf3,
        muldf3_fpr, divdf3, divdf3_fpr, sqrtdf2, smaxdf3, smindf3,
        movdfcc, *fseldfdf4, floatsidf2, *floatsidf2_internal,
        floatunssidf2, *floatunssidf2_internal, fix_truncdfsi2,
        *fix_truncdfsi2_internal, fix_truncdfsi2_internal_gfxopt,
        fix_truncdfsi2_mfpgpr, fctiwz, btruncdf2, ceildf2, floordf2,
        rounddf2, floatdidf2, floatsidf_ppc64_mfpgpr, floatsidf_ppc64,
        floatunssidf_ppc64, fix_truncdfdi2, movdf_hardfloat32,
        movdf_hardfloat64_mfpgpr, movdf_hardfloat64, extenddftf2_fprs,
        extenddftf2_internal, trunctfdf2_internal2, fix_trunc_helper,
        abstf2_internal, movdf_update1, movdf_update2, cmpdf_internal1,
        cmptf_internal1, *cmptf_internal2): Condition on
        TARGET_DOUBLE_FLOAT.
        (aux_truncdfsf2, negsf2, *negsf2, abssf2, *abssf2, addsf3, subsf3,
        mulsf3, divsf3, sqrtsf2, copysignsf3, smaxsf3, sminsf3, movsfcc,
        *fselsfsf4, fixuns_truncsfsi2, fix_truncsfsi2, floatunssisf2,
        btruncsf2, ceilsf2, floorsf2, roundsf2, floatdisf2_internal1,
        floatdisf2_internal2, *movsf_hardfloat, trunctfsf2_fprs,
        *movsf_update1, *movsf_update2, *cmpsf_internal1): Condition on
        TARGET_SINGLE_FLOAT.
        (divsf3, sqrtsf2, divdf3, divdf3_fpr): Condition on TARGET_SIMPLE_FPU.
        * config/rs6000/rs6000.opt (-msingle-float): New.
        (-mdouble-float): New.
        (-msimple-fpu): New.
        * doc/invoke.texi (RS/6000 and PowerPC Options): Add
        -msingle-float, -mdouble-float, -msimple-fpu options.
        * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Set
        _SOFT_DOUBLE for -msingle-float.
        * config.gcc: New config for target=powerpc-xilinx-eabi.

2008-09-29  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (dot_all_scops_1): Remove unused checks. SCoPs always
        have exit and entry.
        (new_scop): Take entry and exit edge to define new SCoP.
        (sd_region_p): New structure used during SCoP detection.
        (move_scops): Delete.
        (move_sd_regions): New.
        (scopdet_info): Change the definition from edges back to basic_blocks.
        (scopdet_edge_info):  Work on basic_blocks and rename to
        scopdet_basic_block_info.
        (split_difficult_bb): At the moment removed. We should later
        add it at another place.
        (build_scops_1): Work on basic_blocks.
        (bb_in_sd_region): New.
        (find_single_entry_edge): New.
        (find_single_exit_edge): New.
        (create_single_entry_edge): New.
        (sd_region_without_exit): New.
        (create_single_exit_edge): New.
        (unmark_exit_edges): New.
        (mark_exit_edges): New.
        (create_sese_edges): New.
        (build_graphite_scops): New.
        (build_scops): Make SCoPs SESE.
        (limit_scops): Use the new functions.

2008-09-29  Hans-Peter Nilsson  <hp@axis.com>

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

2008-09-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR target/37640
        * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Force
        address to a register before taking the lower part.

2008-09-28  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.h (OVERRIDE_OPTIONS): Unset flag_dwarf2_cfi_asm
        for SHmedia.

2008-09-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
            Kaushal Kantawala  <kaushal_kantawala@playstation.sony.com>

        PR tree-opt/36891
        * tree-ssa-loop-im.c (rewrite_reciprocal): Set DECL_GIMPLE_REG_P on
        the newly created variable.
        Create a VECTOR_CST of all 1s for vector types.

2008-09-28  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/36575
        * fold-const.c (div_and_round_double) <ROUND_DIV_EXPR>: Fix typo.

2008-09-28  Eric Botcazou  <ebotcazou@adacore.com>

        * expmed.c (store_fixed_bit_field): Always use convert_to_mode in
        order to convert between modes.
        (extract_bit_field_1): Test TRULY_NOOP_TRUNCATION on the right mode.

2008-09-27  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_gimplify_va_arg_expr): Use VIEW_CONVERT_EXPR
        if needed.

2008-09-26  Vladimir Makarov  <vmakarov@redhat.com>

        Revert:
        2008-09-25  Vladimir Makarov  <vmakarov@redhat.com>
        * ira-lives.c:...
        * doc/rtl.texi:...

2008-09-26  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.h (ISA_HAS_DMUL3, ISA_HAS_BADDU, ISA_HAS_BBIT,
        ISA_HAS_CINS, ISA_HAS_EXTS, ISA_HAS_SEQ_SNE, ISA_HAS_POP): Change
        them to yield false with MIPS16.

2008-09-26  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/37275
        * dwarf2out.c (tls_mem_loc_descriptor): New function.
        (mem_loc_descriptor): Use it for MEM.  For PLUS fail if second
        mem_loc_descriptor failed.  Accept UNSPEC.
        (loc_descriptor): Use tls_mem_loc_descriptor for MEM.  For PARALLEL
        fail if one of the loc_descriptor calls for pieces failed.
        (loc_descriptor_from_tree_1): Handle even DECL_EXTERNAL __thread vars,
        as long as they bind locally.  For COMPONENT_REF, ARRAY_REF etc. fail
        if loc_descriptor_from_tree_1 on offset failed.

        PR middle-end/37576
        * opts.c (common_handle_option): Don't call print_specific_help with
        CL_SAVE as first argument.

2008-09-26  Peter O'Gorman  <pogma@thewrittenword.com>
            Steve Ellcey  <sje@cup.hp.com>

        * configure: Regenerate for new libtool.
        * aclocal.m4: Ditto.

2008-09-26  Pat Haugen  <pthaugen@us.ibm.com>

        * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Use correct
        alias set on MEM when saving stack pointer.
        * config/rs6000/rs6000.md (allocate_stack): Likewise

2008-09-26  Dorit Nuzman  <dorit@il.ibm.com>

        PR tree-optimization/37574
        * tree-vectorizer.c (vect_is_simple_use): Fix indentation.
        * tree-vect-transform.c (vect_get_constant_vectors): Use vectype
        instead of vector_type for constants. Take computation out of loop.
        (vect_get_vec_def_for_operand): Use only vectype for constant case,
        and use only vector_type for invariant case.
        (get_initial_def_for_reduction): Use vectype instead of vector_type.

2008-09-25  Jakub Jelinek  <jakub@redhat.com>

        PR c/37645
        * c-common.c (handle_weakref_attribute): Ignore the attribute unless
        the decl is a VAR_DECL or FUNCTION_DECL.

2008-09-25  Vladimir Makarov  <vmakarov@redhat.com>

        PR middle-end/37535
        * ira-lives.c (mark_reg_live, mark_reg_dead): New functions.
        (mark_ref_live, mark_ref_dead): Use them.
        (def_conflicts_with_inputs_p): Remove.
        (mark_early_clobbers): New function.
        (process_bb_node_lives): Call preprocess_constraints and
        mark_early_clobbers.

        * doc/rtl.texi (clobber): Change how RA deals with clobbers.

2008-09-25  Vladimir Makarov  <vmakarov@redhat.com>

        PR middle-end/37448
        * ira-int.h (IRA_ALLOCNO_TEMP): Rename to ALLOCNO_TEMP.
        (ira_compress_allocno_live_ranges): New prototype.

        * ira-color.c: Rename IRA_ALLOCNO_TEMP to ALLOCNO_TEMP.
        (coalesced_allocnos_living_at_program_points): New.
        (coalesced_allocnos_live_at_points_p,
        set_coalesced_allocnos_live_points): New functions.
        (coalesce_spill_slots): Rewrite.
        
        * ira-lives.c (remove_some_program_points_and_update_live_ranges,
        ira_compress_allocno_live_ranges): New functions.

        * ira-build.c (ira_flattening): Call
        ira_compress_allocno_live_ranges.
        (ira_build): Ditto.

2008-09-25  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.md: Check cmp/branch fuse for cmp peephole
        optimization.

2008-09-25  Richard Sandiford  <rdsandiford@googlemail.com>

        * combine.c (make_compound_operation): Handle the 'E' format.
        (count_rtxs): Likewise.
        (update_table_tick): Likewise.
        (get_last_value_validate): Likewise.

2008-09-25  Eric Botcazou  <ebotcazou@adacore.com>

        * dbxout.c (dbxout_parms): Fetch the inner REG inside a PARALLEL.

2008-09-25 Sergei Dyshel <sergeid@il.ibm.com>

        * matrix-reorg.c (transform_allocation_sites): Initializers 
        added to avoid the warning.

2008-09-25  Martin Jambor  <mjambor@suse.cz>

        * cgraph.c (free_nodes): New variable.
        (NEXT_FREE_NODE): New macro.
        (cgraph_create_node): Reuse nodes from the free list.  Do not
        update uid if doing so.
        (cgraph_remove_node): Add the node to the free list.

2008-09-25  Gerald Pfeifer  <gerald@pfeifer.com>

        * config/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.

2008-09-24  Richard Henderson  <rth@redhat.com>

        * dwarf2.h (DW_OP_GNU_encoded_addr): New.
        * unwind-dw2.c (execute_stack_op): Handle it.

2008-09-24  David Edelsohn  <edelsohn@gnu.org>

        Revert:
        2008-09-24  Michael J. Eager  <eager@eagercon.com>

2008-09-24  Aldy Hernandez  <aldyh@redhat.com>

        * c-common.c (fname_decl): New location argument.
        * c-common.h (fname_decl): Same.
        * c-parser.c (c_lex_one_token): Use {warning,error}_at instead of
        {warning,error}.
        (c_parser_typeof_specifier): Same.
        (c_parser_parms_list_declarator): Same.
        (c_parser_asm_string_literal): Same.
        (c_parser_compound_statement_nostart): Same.
        (c_parser_label): Same.
        (c_parser_do_statement): Same.
        (c_parser_asm_statement): Same.
        (c_parser_unary_expression): Same.
        (c_parser_sizeof_expression): Same.
        (c_parser_postfix_expression): Same.
        (c_parser_pragma): Same.
        (c_parser_omp_clause_collapse): Same.
        (c_parser_omp_clause_num_threads): Same.
        (c_parser_omp_clause_schedule): Same.
        (c_parser_omp_all_clauses): Same.
        (c_parser_omp_sections_scope): Same.
        (c_parser_omp_for_loop): Same.  Pass condition's location to
        c_objc_common_truthvalue_conversion.
        (c_parser_enum_specifier): Remove comment.

2008-09-24  Michael J. Eager  <eager@eagercon.com>

        * config/rs6000/predicates.md (easy_fp_constant): Single FP consts
        are easy.
        * config/rs6000/rs6000.c (rs6000_override_options): Move
        rs6000_init_hard_regno_mode_ok after all options changed.
        Set rs6000_single_float, rs6000_double_float if TARGET_HARD_FLOAT.
        (rs6000_handle_option): Process -msingle-float, -mdouble-float,
        -msimple-fpu flags.  Add warning messages if single FP not configured.
        (rs6000_file_start): Output gnu_attribute for single-float.
        (legitimate_lo_sum_address_p): Condition on TARGET_DOUBLE_FLOAT.
        (rs6000_legitimize_address): Likewise.
        (rs6000_legitimize_reload_address): Likewise.
        (rs6000_emit_move): Condition on TARGET_DOUBLE_FLOAT,
        TARGET_SINGLE_FLOAT.
        (function_arg_advance): Likewise.
        (function_arg): Likewise.
        (setup_incoming_varargs): Condition on TARGET_DOUBLE_FLOAT.
        (rs6000_gimplify_va_arg): Condition on TARGET_DOUBLE_FLOAT,
        TARGET_SINGLE_FLOAT.
        (rs6000_split_multireg_move): Condition on TARGET_DOUBLE_FLOAT.
        (rs6000_emit_prologue): Likewise.
        (rs6000_function_value): Condition on TARGET_DOUBLE_FLOAT,
        TARGET_SINGLE_FLOAT.
        (rs6000_libcall_value): Likewise.
        * config/rs6000/rs6000.h (TARGET_SINGLE_FLOAT): New default to 1.
        (TARGET_DOUBLE_FLOAT): New default to 1
        (TARGET_SIMPLE_FPU): New default to 0
        (TARGET_SINGLE_FPU): New default to 0
        (TARGET_SINGLE_FLOAT_MODE): New.
        (TARGET_DOUBLE_FLOAT_MODE): New.
        * config/rs6000/singlefp.h: New; redefine TARGET_SINGLE_FLOAT,
        TARGET_DOUBLE_FLOAT, TARGET_SIMPLE_FPU, TARGET_SINGLE_FPU,
        UNITS_PER_FP_WORD
        * config/rs6000/rs6000.md (define_mode_iterator): Condition on
        TARGET_DOUBLE_FLOAT, TARGET_SINGLE_FLOAT.
        (extendsfdf2, extendsfdf2_fpr, truncdfsf2, truncdfsf2_fpr,
        copysigndf3,fseldfsf4, negdf2, negdf2_fpr, absdf2, absdf2_fpr,
        nabsdf2_fpr, adddf3, adddf3_fpr, subdf3, subdf3_fpr, muldf3,
        muldf3_fpr, divdf3, divdf3_fpr, sqrtdf2, smaxdf3, smindf3,
        movdfcc, *fseldfdf4, floatsidf2, *floatsidf2_internal,
        floatunssidf2, *floatunssidf2_internal, fix_truncdfsi2,
        *fix_truncdfsi2_internal, fix_truncdfsi2_internal_gfxopt,
        fix_truncdfsi2_mfpgpr, fctiwz, btruncdf2, ceildf2, floordf2,
        rounddf2, floatdidf2, floatsidf_ppc64_mfpgpr, floatsidf_ppc64,
        floatunssidf_ppc64, fix_truncdfdi2, movdf_hardfloat32,
        movdf_hardfloat64_mfpgpr, movdf_hardfloat64, extenddftf2_fprs,
        extenddftf2_internal, trunctfdf2_internal2, fix_trunc_helper,
        abstf2_internal, movdf_update1, movdf_update2, cmpdf_internal1,
        cmptf_internal1, *cmptf_internal2): Condition on
        TARGET_DOUBLE_FLOAT.
        (aux_truncdfsf2, negsf2, *negsf2, abssf2, *abssf2, addsf3, subsf3,
        mulsf3, divsf3, sqrtsf2, copysignsf3, smaxsf3, sminsf3, movsfcc,
        *fselsfsf4, fixuns_truncsfsi2, fix_truncsfsi2, floatunssisf2,
        btruncsf2, ceilsf2, floorsf2, roundsf2, floatdisf2_internal1,
        floatdisf2_internal2, *movsf_hardfloat, trunctfsf2_fprs,
        *movsf_update1, *movsf_update2, *cmpsf_internal1): Condition on
        TARGET_SINGLE_FLOAT.
        (divsf3, sqrtsf2, divdf3, divdf3_fpr): Condition on TARGET_SIMPLE_FPU.
        * config/rs6000/rs6000.opt (-msingle-float): New.
        (-mdouble-float): New.
        (-msimple-fpu): New.
        * doc/invoke.texi (RS/6000 and PowerPC Options): Add
        -msingle-float, -mdouble-float, -msimple-fpu options.
        * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Set
        _SOFT_DOUBLE for -msingle-float.
        * config.gcc: New config for target=powerpc-xilinx-eabi.

2008-09-23  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/constraints.md: New file.
        * config/sparc/sparc.md: Include it.
        * config/sparc/sparc-protos.h (memory_ok_for_ldd): Declare.
        (sparc_extra_constraint_check): Delete.
        * config/sparc/sparc.c (register_ok_for_ldd): Minor tweaks.
        (memory_ok_for_ldd): New predicate.
        (sparc_extra_constraint_check): Delete.
        * config/sparc/sparc.h (REG_CLASS_FROM_LETTER): Likewise.
        (CONST_OK_FOR_LETTER_P): Likewise.
        (CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
        (EXTRA_CONSTRAINT): Likewise.

2008-08-23  Steve Ellcey  <sje@cup.hp.com>

        * regrename.c (do_replace): Copy REG_POINTER value to new reg.

2008-09-23  Richard Sandiford  <rdsandiford@googlemail.com>

        * alias.c (find_base_value): Use FIND_BASE_TERM.
        * doc/tm.texi (FIND_BASE_TERM): Update documentation.

2008-09-23  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/i386/i386.c: Include cselib.h.
        (ix86_pic_register_p): New function.
        (ix86_delegitimize_address): Use it to check for the PIC register.

2008-09-23  Richard Sandiford  <rdsandiford@googlemail.com>

        * doc/tm.texi (FIND_BASE_TERM): Expand documentation.
        * config/i386/i386.c (ix86_find_base_term): Don't check for
        SYMBOL_REF and LABEL_REF.

2008-09-23  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/i386/i386.c (ix86_delegitimize_address): Wrap the
        constant PLUS in a CONST.

2008-09-23  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/i386.c (ix86_function_ok_for_sibcall): Correct
        check for sibcall support for w64.

2008-09-23  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ppoutput.c (cb_used_define): Do nothing for a builtin node.

2008-09-23  Aldy Hernandez  <aldyh@redhat.com>