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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * doc/extend.texi: Update force_align_arg_pointer.

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

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

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

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

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

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

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

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

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

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

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

        PR target/35866

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

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

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

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

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

        * doc/fragments.texi: Update.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        Merge from gimple-tuples-branch.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * targhooks.h (default_can_inline_p): Add declaration.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * recog.c (peephole2_optimize): Fix formatting.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * config.in: Regenerate.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

        * configure.ac: Check for caddr_t, define to char * if not defined.
        * configure: Regenerate.
        * ggc-common.c (mmap_gt_pch_get_address): Fix -Wc++-compat warnings.
        (mmap_gt_pch_use_address): Likewise.
        * config/host-solaris.c (sol_gt_pch_use_address): Likewise.

2008-07-06  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (struct variable_info): Remove has_union.
        (new_var_info): Deal with it.
        (solution_set_add): Likewise.
        (bitpos_of_field): Make signed, fix.
        (struct fieldoff): Remove type and decl fields.  Make size field
        unsigned HOST_WIDE_INT.  Add has_unknown_size and may_have_pointers
        flags.
        (fieldoff_compare): Deal with it.
        (push_fields_onto_fieldstack): Remove has_union argument, glob
        adjacent non-pointer fields together.
        (create_function_info_for): Do not set has_union.
        (create_variable_info_for): Simplify.

2008-07-06  Kai Tietz  <kai.tietz@onevision.com>

        * config.gcc (extra_headers): Add cross-stdarg.h for target
        x86_64-*-* and i?86-*-*.
        * config/i386/cross-stdarg.h: New.
        * builtins.c (std_fn_abi_va_list): New.
        (std_canonical_va_list_type): New.
        (stabilize_va_list): Replace va_list_type_node use by
        mtarget.canonical_va_list_type.
        (gimplify_va_arg_expr): Likewise.
        (expand_builtin_va_copy): Replace va_list_type_node use by
        mtarget.fn_abi_va_list.
        * tree-sra.c (is_va_list_type): New helper.
        (decl_can_be_decomposed_p): Replace
        va_list_type_node use by is_va_list_type.
        * tree-ssa-ccp.c (optimize_stdarg_builtin): Likewise.
        * tree-stdarg.c (execute_optimize_stdarg): Likewise.
        * c-common.c (c_common_nodes_and_builtins): Use TARGET_ENUM_VA_LIST.
        * config/i386/i386-protos.h (ix86_get_valist_type): New.
        (ix86_enum_va_list): New.
        * config/i386/i386.c (sysv_va_list_type_node): New.
        (ms_va_list_type_node): New.
        (ix86_function_type_abi): Remove sorry.
        (ix86_build_builtin_va_list_abi): New.
        (ix86_build_builtin_va_list): Call ix86_build_builtin_va_list_abi
        for 64-bit targets.
        (ix86_va_start): Replace va_list_type_node by sysv_va_list_type_node.
        (ix86_init_builtins_va_builtins_abi): New.
        (ix86_init_builtins): Use ix86_init_builtins_va_builtins_abi
        for 64-bit targets.
        (ix86_handle_abi_attribute): New.
        (attribute_spec): Add sysv_abi and ms_abi.
        (ix86_fn_abi_va_list): New.
        (ix86_canonical_va_list_type): New.
        (ix86_enum_va_list): New.
        (TARGET_FN_ABI_VA_LIST): New.
        (TARGET_CANONICAL_VA_LIST_TYPE): New.
        * config/i386/i386.h (TARGET_ENUM_VA_LIST): New.
        * doc/tm.texi (TARGET_FN_ABI_VA_LIST): New.
        (TARGET_CANONICAL_VA_LIST_TYPE): New.
        (TARGET_ENUM_VA_LIST): New.
        * expr.h (std_fn_abi_va_list): New.
        (std_canonical_va_list_type): New.
        * target-def.h (TARGET_FN_ABI_VA_LIST): New.
        (TARGET_CANONICAL_VA_LIST_TYPE): New.
        (TARGET_INITIALIZER): Add TARGET_FN_ABI_VA_LIST and
        TARGET_CANONICAL_VA_LIST_TYPE.
        * target.h (struct gcc_target): Add fn_abi_va_list hook
        and canonical_va_list_type hook.

2008-07-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * fold-const.c (fold_convert_const): Treat OFFSET_TYPE the same as
        integral and pointer types.

2008-07-04  Roger Sayle  <roger@eyesopen.com>

        * config/rs6000/host-darwin.c (darwin_rs6000_extra_signals): Cast
        the "void*" result of xmalloc to "char*" to fix bootstrap breakage.

2008-07-04  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/36684
        * config/sh/sh.h (OVERRIDE_OPTIONS): Disable -fschedule-insns for PIC.

2008-07-04  Jakub Jelinek  <jakub@redhat.com>

        * tree-switch-conversion.c (build_one_array, gen_def_assigns): Use
        build_gimple_modify_stmt.
        (build_arrays, gen_inbound_check): Likewise.  Force RHS to be
        gimple operand.  Use fold_build* instead of build*.

2008-07-04  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (lookup_vi_for_tree): Declare.
        (do_sd_constraint): Handle a dereference of ESCAPED and CALLUSED
        properly to compute the reachability set if we do field-sensitive PTA.
        * invoke.texi (max-fields-for-field-sensitive): Document default.
        * opts.c (decode_options): Set max-fields-for-field-sensitive to
        100 for optimize >= 2.

2008-07-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * ggc-zone.c (lookup_page_table_if_allocated,
        set_page_table_entry, zone_find_object_size, alloc_small_page,
        alloc_large_page, ggc_free, gt_ggc_m_S, ggc_marked_p, init_ggc,
        new_ggc_zone, init_ggc_pch, ggc_pch_this_base, ggc_pch_read): Fix
        -Wc++-compat and/or -Wcast-qual warnings.

2008-07-04  Alan Modra  <amodra@bigpond.net.au>

        PR target/36634
        * config/rs6000/rs6000.md (call, call_value): Don't arrange for
        pic_offset_table_rtx to be marked as used here.
        (call_nonlocal_sysv, call_value_nonlocal_sysv): Add split for
        TARGET_SECURE_PLT to "use" pic_offset_table_rtx.
        (call_nonlocal_sysv_secure, call_value_nonlocal_sysv_secure): New insn.
        (sibcall_nonlocal_sysv, sibcall_value_nonlocal_sysv): Assert
        !TARGET_SECURE_PLT.

2008-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * alloc-pool.c (hash_descriptor, eq_descriptor,
        alloc_pool_descriptor): Fix -Wc++-compat warnings.
        * bitmap.c (hash_descriptor, eq_descriptor, bitmap_descriptor):
        Likewise.
        * ggc-common.c (hash_descriptor, eq_descriptor, hash_ptr, eq_ptr,
        loc_descriptor, ggc_prune_ptr, ggc_free_overhead,
        final_cmp_statistic, cmp_statistic, dump_ggc_loc_statistics): Likewise.
        * varray.c (hash_descriptor, eq_descriptor, varray_descriptor):
        Likewise.

2008-07-03  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-flow.h (loop_only_exit_p): Declare.
        * tree-ssa-loop-niter.c (loop_only_exit_p): Make public.
        * tree-ssa-loop-ivopts.c (may_eliminate_iv): Reinstate direct check on
        the number of iterations if it is constant.  Otherwise, if this is the
        only possible exit of the loop, use the conservative estimate on the
        number of iterations of the entire loop if available.

2008-07-03  Richard Sandiford  <rdsandiford@googlemail.com>

        * Makefile.in (libgcc.mvars): Add LIBGCC_SYNC and LIBGCC_SYNC_CFLAGS.
        * libgcc-std.ver (GCC_4.4.0): New version, inherited from GCC_4.3.0.
        Add synchronization functions.
        * config/sync.c: New file.
        * config/mips/t-libgcc-mips16 (LIBGCC_SYNC): Define.
        (LIBGCC_SYNC_CFLAGS): Likewise.

2008-07-03  Uros Bizjak  <ubizjak@gmail.com>

        PR target/36710
        * config/i386/i386.md (mode): Add TF to "mode" attribute.
        (*pushtf_sse): New insn pattern.
        (pushtf splitters): New splitters.

2008-07-03  Michael Meissner  <gnu@the-meissners.org>

        PR middle-end/35736
        * predict.c (build_predict_expr): Use void_type_node for the tree
        type, instead of NULL_TREE.

2008-07-03  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (contains_aligned_value_p): Return true
        for TCmode.
        (ix86_data_alignment): Align TCmode to 128bits.
        (ix86_local_alignment): Likewise.

2008-07-03  Andrew Haley  <aph@redhat.com>

        PR bootstrap/33304
        * vec.h (VEC_TA): New.
        (DEF_VEC_I, DEF_VEC_P, DEF_VEC_ALLOC_I, DEF_VEC_ALLOC_P,
        DEF_VEC_O, DEF_VEC_ALLOC_O: Use VEC_TA.
        * c-common.c (C_COMMON_FIXED_TYPES_SAT): New macro.
        (C_COMMON_FIXED_MODE_TYPES_SAT): New macro.
        (C_COMMON_FIXED_TYPES): Remove first arg.
        (C_COMMON_FIXED_MODE_TYPES): Likewise.
        * tree.c (MAKE_FIXED_TYPE_NODE): Break into two macros,
        MAKE_FIXED_TYPE_NODE and MAKE_FIXED_TYPE_NODE_WIDTH in order
        not to use empty macro arguments.

2008-07-02  Joseph Myers  <joseph@codesourcery.com>

        * config/alpha/vms_tramp.asm, config/arm/crti.asm,
        config/arm/crtn.asm, config/bfin/crti.s, config/bfin/crtlibid.s,
        config/bfin/crtn.s, config/fr30/crti.asm, config/fr30/crtn.asm,
        config/frv/lib1funcs.asm, config/i386/sol2-c1.asm,
        config/i386/sol2-ci.asm, config/i386/sol2-cn.asm,
        config/i386/sol2-gc1.asm, config/ia64/crti.asm,
        config/ia64/crtn.asm, config/m68hc11/larith.asm,
        config/m68hc11/m68hc11-crt0.S, config/m68k/crti.s,
        config/m68k/crtn.s, config/mcore/crti.asm, config/mcore/crtn.asm,
        config/rs6000/crtresfpr.asm, config/rs6000/crtresgpr.asm,
        config/rs6000/crtresxfpr.asm, config/rs6000/crtresxgpr.asm,
        config/rs6000/crtsavfpr.asm, config/rs6000/crtsavgpr.asm,
        config/rs6000/crtsavres.asm, config/rs6000/e500crtres32gpr.asm,
        config/rs6000/e500crtres64gpr.asm,
        config/rs6000/e500crtres64gprctr.asm,
        config/rs6000/e500crtrest32gpr.asm,
        config/rs6000/e500crtrest64gpr.asm,
        config/rs6000/e500crtresx32gpr.asm,
        config/rs6000/e500crtresx64gpr.asm,
        config/rs6000/e500crtsav32gpr.asm,
        config/rs6000/e500crtsav64gpr.asm,
        config/rs6000/e500crtsav64gprctr.asm,
        config/rs6000/e500crtsavg32gpr.asm,
        config/rs6000/e500crtsavg64gpr.asm,
        config/rs6000/e500crtsavg64gprctr.asm, config/rs6000/eabi-ci.asm,
        config/rs6000/eabi-cn.asm, config/rs6000/eabi.asm,
        config/rs6000/sol-ci.asm, config/rs6000/sol-cn.asm,
        config/rs6000/tramp.asm, config/sparc/sol2-ci.asm,
        config/sparc/sol2-cn.asm: Remove .file directives.

2008-07-02  Richard Sandiford  <rdsandiford@googlemail.com>

        * resource.c (mark_referenced_resources): Look inside
        UNSPEC_VOLATILEs and ASM_INPUTs.

2008-07-02  Ian Lance Taylor  <iant@google.com>

        * rtlanal.c (add_reg_note): New function.
        * rtl.h (add_reg_note): Declare.
        * auto-inc-dec.c (attempt_change): Use add_reg_note.
        * bb-reorder.c (add_reg_crossing_jump_notes): Likewise.
        * builtins.c (expand_builtin_longjmp): Likewise.
        (expand_builtin_nonlocal_goto): Likewise.
        * calls.c (emit_call_1, expand_call): Likewise.
        * cfgexpand.c (add_reg_br_prob_note): Likewise.
        * cfglayout.c (fixup_reorder_chain): Likewise.
        * cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
        (commit_one_edge_insertion): Likewise.
        * combine.c (move_deaths, distribute_notes): Likewise.
        * df-problems.c (df_set_note): Likewise.
        * emit-rtl.c (link_cc0_insns, try_split): Likewise.
        (set_unique_reg_note): Likewise.
        (emit_copy_of_insn_after): Likewise.
        * expr.c (expand_expr_real): Likewise.
        * gcse.c (add_label_notes): Likewise.
        * haifa-sched.c (create_check_block_twin): Likewise.
        * jump.c (mark_jump_label_1): Likewise.
        * loop-doloop.c (add_test, doloop_modify): Likewise.
        * loop-unswitch.c (compare_and_jump_seq): Likewise.
        * lower-subreg.c (move_eh_region_note): Likewise.
        * optabs.c (emit_libcall_block): Likewise.
        * predict.c (predict_insn): Likewise.
        (combine_predictions_for_insn): Likewise.
        * recog.c (peephole2_optimize): Likewise.
        * regmove.c (try_auto_increment): Likewise.
        * reg-stack.c (emit_pop_insn, move_for_stack_reg): Likewise.
        * reload.c (find_reloads): Likewise.
        * reload1.c (fixup_eh_region_note): Likewise.
        (reload_as_needed, add_auto_inc_notes, copy_eh_notes): Likewise.
        * reorg.c (delete_prior_computation): Likewise.
        (delete_computation, dbr_schedule): Likewise.
        * config/pa/pa.c (legitimize_pic_address): Likewise.
        * config/sh/sh.c (sh_reorg): Likewise.

2008-07-02  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/36669
        * config/libgcc-glibc.ver: Add %exclude.
        * config/m32r/libgcc-glibc.ver: Likwise.
        * config/s390/libgcc-glibc.ver: Likwise.
        * config/sh/libgcc-glibc.ver: Likwise.
        * config/sparc/libgcc-sparc-glibc.ver: Likwise.

        * config/i386/libgcc-glibc.ver: New.

        * config/i386/libgcc-x86_64-glibc.ver: Removed.

2008-07-02  H.J. Lu  <hongjiu.lu@intel.com>

        * config.gcc: Remove i386/t-fprules-softfp64 soft-fp/t-softfp
        from tmake_file from i[34567]86-*-darwin*, x86_64-*-darwin*,
        i[34567]86-*-linux*, x86_64-*-linux*.  Add
        i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file for
        i[34567]86-*-darwin*, x86_64-*-darwin*, i[34567]86-*-linux*,
        x86_64-*-linux*.  Add i386/t-linux to tmake_file for
        i[34567]86-*-linux*, x86_64-*-linux*.

        * libgcc-std.ver: Add empty GCC_4.4.0.

        * mkmap-symver.awk: Support multiple versions per symbol.

        * config/i386/i386.c (ix86_init_builtins): Always define
        __builtin_fabsq and __builtin_copysignq with fallbacks.
        (ix86_expand_builtin): Emit normal call for __builtin_fabsq
        and __builtin_copysignq if SSE2 isn't available.

        * config/i386/linux.h (LIBGCC2_HAS_TF_MODE): Defined.
        (LIBGCC2_TF_CEXT): Likwise.
        (TF_SIZE): Likwise.

        * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): Defined as 1.

        * config/i386/sfp-machine.h: Moved to libgcc.

        * config/i386/sfp-machine.h: New.
        * config/i386/t-linux: Likwise.

        * config/i386/t-darwin: Remove softfp_wrap_start and
        softfp_wrap_end.
        * config/i386/t-darwin64: Likewise.

        * config/i386/t-fprules-softfp64: Renamed to ...
        * config/i386/t-fprules-softfp: This.

        * config/i386/t-linux64: Remove SHLIB_MAPFILES, softfp_wrap_start
        and softfp_wrap_end.

2008-07-02  Jason Merrill  <jason@redhat.com>

        * tree.c (ctor_to_list): Use FOR_EACH_CONSTRUCTOR_ELT.

        * tree.c (ctor_to_list): New fn.
        * tree.h: Declare it.
        (CONSTRUCTOR_ELT): New macro.
        (CONSTRUCTOR_NELTS): New macro.

2008-07-02  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (struct variable_info): Reorder
        to fill padding on 64bit hosts.  Make collapsed_to an int.
        (get_varinfo_fc): Deal with that.
        (new_var_info): Likewise.
        (collapse_rest_of_var): Likewise.

2008-07-02  Joshua Sumali  <jsumali@redhat.com>

        * doc/install.texi (--enable-java-home): Document.
        (--enable-aot-compile-rpm): Likewise.
        (--with-arch-directory): Likewise.
        (--with-os-directory): Likewise.
        (--with-origin-name): Likewise.
        (--with-arch-suffix): Likewise.
        (--with-jvm-root-dir): Likewise.
        (--with-jvm-jar-dir): Likewise.
        (--with-python-dir): Likewise.

2008-07-02  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-forwprop.c (can_propagate_from): Exclude loads
        from decls explicitly.  Merge operand checking from tuples.

2008-07-02  Martin Jambor  <mjambor@suse.cz>

        * tree-switch-conversion.c: Included timevar.h which I forgot before.

2008-07-02  Martin Jambor  <mjambor@suse.cz>

        * tree-switch-conversion.c: Included timevar.h
        (pass_convert_switch): Added a timevar id (TV_TREE_SWITCH_CONVERSION).

        * timevar.def: Added TV_TREE_SWITCH_CONVERSION.

2008-07-02  Martin Jambor  <mjambor@suse.cz>

        * tree-switch-conversion.c: Corrected various comments and
        whitespace issues
        (build_constructors): Fixed minor formatting mistakes.

        * invoke.texi (Optimize Options): Corrected the
        switch-conversion-max-branch-ratio parameter.

2008-07-02  Mark Shinwell  <shinwell@codesourcery.com>

        * final.c (asm_insn_count): Return zero for an empty asm body.

2008-07-02  Richard Guenther  <rguenther@suse.de>

        * bitmap.h (bitmap_set_bit): Return bool.
        (bitmap_clear_bit): Likewise.
        * bitmap.c (bitmap_set_bit): Return if the bit changed.  Only
        write to the bitmap if it would.
        (bitmap_clear_bit): Likewise.
        * tree-ssa-structalias.c (add_implicit_graph_edge): Use
        bitmap_set_bit return value.
        (add_pred_graph_edge): Likewise.
        (add_graph_edge): Likewise.
        (do_sd_constraint): Likewise.
        (do_ds_constraint): Likewise.

2008-07-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * config/alpha/alpha.c (alpha_need_linkage, alpha_use_linkage):
        Fix -Wc++-compat and/or -Wcast-qual warnings.
        * config/i386/netware.c (gen_stdcall_or_fastcall_decoration,
        gen_regparm_prefix): Likewise.
        * vmsdbgout.c (write_modbeg, lookup_filename,
        vmsdbgout_source_line, vmsdbgout_init): Likewise.

2008-07-02  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/mingw32.h (TARGET_USE_JCR_SECTION): Undef to let
        defaults.h definition apply.

2008-07-01  Daniel Jacobowitz  <dan@codesourcery.com>

        * function.c (assign_parm_remove_parallels): New.
        (assign_parm_setup_block_p): Do not return true for non-BLKmode
        PARALLELs.
        (assign_parm_setup_block): Do not handle them.
        (assign_parm_setup_reg, assign_parm_setup_stack): Call
        assign_parm_remove_parallels.

2008-07-01  Daniel Jacobowitz  <dan@codesourcery.com>

        * c-typeck.c (convert_for_assignment): Use
        vector_targets_convertible_p.
        * c-common.c (vector_targets_convertible_p): New.
        * c-common.h (vector_targets_convertible_p): New prototype.
        * config/rs6000/rs6000.c (rs6000_is_opaque_type): Do not check
        opaque_p_V2SI_type_node.

2008-07-01  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.c (ia64_cannot_force_const_mem): Do not allow
        RFmode constants.

2008-07-01  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_build_signbit_mask): Generate TImode and
        TFmode constants via two element DImode vector for hosts with
        HOST_BITS_PER_WIDE_INT < 64.
        (ix86_init_builtins): Define __builtin_fabsq and __builtin_copysignq
        also for HOST_BITS_PER_WIDE_INT < 64.

2008-07-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36666
        * tree-ssa-structalias.c (get_constraint_for_1): Declare.
        (get_constraint_exp_from_ssa_var): Split into ...
        (get_constraint_exp_for_temp): ... this ...
        (get_constraint_for_ssa_var): ... and that.
        Return constraint expressions for all touched sub-fields
        if the results address is not taken.
        (process_constraint): Remove assertion that aggregate
        assignments do not happen at this place.
        (get_constraint_for_component_ref): Add address_p argument.
        Return constraint expressions for all touched sub-fields
        if the results address is not taken.
        (do_deref): Use get_constraint_exp_for_temp.
        (get_constraint_for_1): Rename from ...
        (get_constraint_for): ... this.  Add the old function as wrapper.
        (do_structure_copy): Use get_constraint_for_1.

2008-07-01  Martin Jambor  <mjambor@suse.cz>

        * Makefile.in (tree-switch-conversion.o): Add.
        (OBJS-common): Add tree-swtch-conversion.o.
        * passes.c (init_optimization_passes): Add pass_convert_switch.
        * tree-pass.h: (pass_convert_switch): Add.
        * tree-switch-conversion.c: New file.
        * gcc.dg/tree-ssa/cswtch.c: New testcase.
        * common.opt (ftree-cswtch): New option.
        * params.h (PARAM_SWITCH_CONVERSION_BRANCH_RATIO): New parameter.
        * params.def (PARAM_SWITCH_CONVERSION_BRANCH_RATIO): New parameter.
        * opts.c (decode_options): Set flag_tree_switch_conversion when
        optimization level is >= 2.
        * doc/invoke.texi (Optimize Options): Added description of
        -ftree-swtch-conversion and switch-conversion-max-branch-ratio.

2008-06-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * config/darwin-driver.c (darwin_default_min_version): Fix
        -Wc++-compat warnings.

2008-06-30  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*movti_rex64): Add "!" to "r" constraint
        of operand 0.

2008-06-30  Kenneth Zadeck <zadeck@naturalbridge.com>

        * ifcvt.c (cond_move_process_if_block): Free vectors on false return.

2008-06-30  Kenneth Zadeck <zadeck@naturalbridge.com>

        PR rtl-optimization/34744
        * df-scan.c (df_scan_free_ref_vec, df_scan_free_mws_vec): New macros.
        (df_scan_free_internal): Free data structures not
        allocated in storage pools.
        (df_mw_hardreg_chain_delete_eq_uses): Use df_scan_free_mws_vec.
        (df_refs_add_to_chains): Use df_scan_free_ref_vec and
        df_scan_free_mws_vec.
        * dse.c (dse_step6): Free offset_map_p and offset_map_n
        unconditionally.

2008-06-30  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (contains_aligned_value_p): Return true
        for __float128.
        (ix86_function_arg_boundary): Return its natural boundary
        for __float128.
        (return_in_memory_32): Don't check TDmode.
        (ix86_split_to_parts): Support splitting into 4 parts and
        support TFmode for 32bit target.
        (ix86_split_long_move): Support splitting into 4 parts.
        (bdesc_args): Enable IX86_BUILTIN_FABSQ and IX86_BUILTIN_COPYSIGNQ
        for SSE2.
        (ix86_init_mmx_sse_builtins): Move __float80 and __float128 to ...
        (ix86_init_builtins): Here.
        (ix86_scalar_mode_supported_p): Always return true for TFmode.
        (ix86_c_mode_for_suffix): Always return TFmode and XFmode for
        'q' and 'w', respectively.

        * config/i386/i386.md (movtf): Check TARGET_SSE2 instead of
        TARGET_64BIT.
        (movtf_internal): Likewise.
        (<code>tf2): Likewise.
        (*absnegtf2_sse): Likewise.
        (copysign<mode>3): Likewise.
        (copysign<mode>3_const): Likewise.
        (copysign<mode>3_var): Likewise.
        (define_split UNSPEC_COPYSIGN): Likewise.
        * config/i386/sse.md (*nandtf3): Likewise.
        (<code>tf3): Likewise.
        (*<code>tf3): Likewise.

2008-06-30  Joey Ye  <joey.ye@intel.com>
            H.J. Lu  <hongjiu.lu@intel.com>

        * global.c (compute_regsets): Set frame_pointer_needed here.
        * reload1.c (init_elim_table): Don't set frame_pointer_needed here.

2008-06-30  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>

        * doc/install.texi (specific): Expand Windows build notes.

2008-06-30  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/36648
        * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Divide
        number of prolog iterations by step. Fix the comment.

2008-06-30  Richard Guenther  <rguenther@suse.de>

        PR middle-end/36671
        * tree-ssa-structalias.c (handle_lhs_call): Add flags argument,
        handle calls from ECF_MALLOC functions.
        (handle_pure_call): ECF_MALLOC functions do not return
        call-used memory.
        (find_func_aliases): Handle all calls, adjust calls to handle_lhs_call.

2008-06-29  Andreas Schwab  <schwab@suse.de>

        * config/m68k/m68k.c (print_operand): Always print a float
        constant in hex.
        * config/m68k/m68k.h (ASM_OUTPUT_FLOAT_OPERAND)
        (ASM_OUTPUT_DOUBLE_OPERAND, ASM_OUTPUT_LONG_DOUBLE_OPERAND):
        Remove macros.

        * config/rs6000/x-linux64: Remove never used file.

2008-06-29  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.h (compute_points_to_sets): Adjust
        prototype.
        (struct alias_info): Move ...
        * tree-ssa-alias.c: ... here.
        (update_alias_info): Declare.
        (compute_may_aliases): Call it.
        (update_alias_info): New function.
        * tree-ssa-structalias.c (update_alias_info): Move ...
        * tree-ssa-alias.c (update_alias_info_1): ... here.
        * tree-ssa-structalias.c (process_constraint_1): Remove
        unused from_call argument.  Rename to ...
        (process_constraint): ... this.  Delete old wrapper.
        (make_constraint_to): Adjust callers.
        (handle_const_call): Likewise.
        (handle_pure_call): Likewise.
        (init_base_vars): Likewise.
        (handle_lhs_call): Likewise.  Remove unnecessary constraint.
        (find_func_aliases): We don't need structure copies for
        complex types.
        (make_constraint_from_anything): Remove.
        (create_variable_info_for): For globals make constraints
        from escaped, not from anything.
        (compute_points_to_sets): Do not call update_alias_info.
        (ipa_pta_execute): Use make_constraint_from.

2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * Makefile.in (CXX_COMPAT_WARN, cxx_compat_warn): Delete.
        (bitmap.o-warn, dominance.o-warn): New.
        * configure.ac (cxx_compat_warn): Delete.
        (loose_warn): Add -Wcast-qual and -Wc++-compat.
        * system.h: Remove #pragma diagnostic for -Wcast-qual and
        -Wc++-compat.
        * configure: Regenerate.

        * optabs.c (libfunc_decl_hash, libfunc_decl_eq): Fix -Wcast-qual
        warnings.

2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * alloc-pool.c (create_alloc_pool): Fix -Wc++-compat warnings.
        * df-scan.c (df_notes_rescan): Likewise.
        * ggc-page.c (set_page_table_entry): Likewise.
        * intl.c (gcc_gettext_width): Likewise.
        * varasm.c (get_unnamed_section, get_noswitch_section,
        get_section): Likewise.

2008-06-28  Andrew Jenner  <andrew@codesourcery.com>

        * regrename.c (build_def_use): Don't copy RTX.

2008-06-28  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/extend.texi (Variable Attributes): Use @ref instead of @xref.
        (Type Attributes): Fix nesting of @table and @subsection.  Adjust
        punctuation.  Use @ref instead of @xref.
        (Function Names): Remove stray @display/@end display.
        (C++ Attributes): Use @ref instead of @xref.
        (Deprecated Features): Fix punctuation around @xref.
        (Backwards Compatibility): Likewise.
        * doc/rtl.texi (Incdec): Remove stray @table/@end table.

2008-06-28  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/predicates.md (easy_fp_constant): Reject TFmode
        constants for E500 double.

2008-06-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * doc/rtl.texi (const_vector): Document const_fixed as legitimate
        element type of const_vector.

2008-06-28  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (addti3, adddi3, addsi3, addhi3, addqi3):
        Remove FLAGS_REG clobber from expander pattern.
        (subti3, subdi3, subsi3, subhi3, subqi3): Ditto.
        (anddi3, andsi3, andhi3, andqi3): Ditto.
        (iordi3, iorsi3, iorhi3, iorqi3): Ditto.
        (xordi3, xorsi3, xorhi3, xorqi3): Ditto.
        (negti2, negdi2, negsi2, neghi2, negqi2): Ditto.
        (ashlsi3, ashlhi3, ashlqi3): Ditto.
        (ashrsi3, ashrhi3, ashrqi3): Ditto.
        (lshrsi3, lshrhi3, lshrqi3): Ditto.
        (rotldi3, rotlsi3, rotlhi3, rotlqi3): Ditto.
        (rotrdi3, rotrsi3, rotrhi3, rotrqi3): Ditto.

2008-06-28  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (callused_id, var_callused,
        callused_tree): Add.
        (handle_pure_call): New function.
        (find_func_aliases): Call it.
        (find_what_p_points_to): Handle the call-used set.
        (clobber_what_escaped): Likewise.
        (compute_call_used_vars): New function.
        (init_base_vars): Init the call-used variable.
        (do_sd_constraint): Do not propagate the solution from CALLUSED
        but use CALLUSED as a placeholder.
        (solve_graph): Likewise.
        * tree-flow-inline.h (gimple_call_used_vars): New function.
        * tree-flow.h (struct gimple_df): Add call_used_vars bitmap.
        (compute_call_used_vars): Declare.
        * tree-ssa-alias.c (set_initial_properties): Call
        compute_call_used_vars.
        (reset_alias_info): Clear call-used variables.
        (add_call_clobber_ops): Assert we are not called for const/pure
        functions.  Remove handling of them.
        (add_call_read_ops): Handle pure functions by adding the
        call-used set of variables as VUSEs.
        * tree-ssa.c (init_tree_ssa): Allocate call-used bitmap.
        (delete_tree_ssa): Free it.
        * tree-dfa.c (remove_referenced_var): Clear the var from the
        call-used bitmap.

2008-06-28  Kai Tietz  <kai.tietz@onevision.com>

        * tree.c (build_varargs_function_type_list): New.
        (build_function_type_list_1): New.
        (build_function_type_list): Use build_function_type_list_1.
        * tree.h (build_varargs_function_type_list): New.

2008-06-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        PR target/34856
        * config/spu/spu.c (spu_builtin_splats): Do not generate
        invalid CONST_VECTOR expressions.
        (spu_expand_vector_init): Likewise.

2008-06-28  Richard Sandiford  <rdsandiford@googlemail.com>

        * optabs.c (libfunc_decls): New variable.
        (libfunc_decl_hash, libfunc_decl_eq): New functions.
        (init_one_libfunc): Reuse decls and SYMBOL_REFs when asked
        for the same function twice.

2008-06-27  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (ashlti3, ashrti3, lshrti3): Expand using
        ix86_expand_binary_operator directly.
        (*ashlti3_1): Rename from ashlti3_1.  Use nonmemory_operand predicate
        for operand 2.
        (*ashrti3_1): Ditto.
        (*lshrti3_1): Ditto.
        (*ashlti3_2, *ashrti3_2, *lshrti3_2): Remove insn patterns.
        (ashlti, ashrti and lshrti splitters): Handle nonmemory operand 2
        using only one splitter.  Conditionaly execute splitter before or
        after peephole2 pass.
        (ashlti, ashrti and lshrti peephole2): Define peephole2 patterns.
        (x86_shld): Rename from x86_shld_1.  Compress operand 2 constraints.
        Use only one alternative in asm template.
        (x86_64_shld): Compress operand 2 constraints. Use only one alternative
        in asm template.
        (*ashldi3_cmp_rex64): Use const_1_to_63_operand operand predicate and
        "J" operand constraint for operand 2.
        (*ashldi3_cconly_rex64): Ditto.
        (*ashrdi3_cmp_rex64): Ditto.
        (*ashrdi3_cconly_rex64): Ditto.
        (*lshrdi3_cmp_rex64): Ditto.
        (*lshrdi3_cconly_rex64): Ditto.
        * config/i386/predicates.md (const_1_to_63_operand): New predicate.
        * config/i386/i386.md (print_operand) ['s']: Print ", " using fputs.
        (split_ashr, split_ashl, split_lshr): Use gen_x86_shrd instead of
        gen_x86_shrd_1.

2008-06-27  Jakub Jelinek  <jakub@redhat.com>

        * gimplify.c (omp_is_private): Don't return true if decl is not
        already private on #pragma omp for or #pragma omp parallel for.

        PR debug/36617
        * tree-cfg.c (struct move_stmt_d): Replace block field with
        orig_block and new_block fields.
        (move_stmt_r): Only set TREE_BLOCK to p->new_block if
        if it used to be NULL, p->orig_block or if p->orig_block is NULL.
        (move_block_to_fn): Replace vars_map and new_label_map arguments
        with struct move_stmt_d pointer.
        (replace_block_vars_by_duplicates): New function.
        (move_sese_region_to_fn): Add ORIG_BLOCK argument.  Adjust
        move_block_to_fn caller.  If ORIG_BLOCK is non-NULL, move over
        all subblocks of ORIG_BLOCK to the new function.  Call
        replace_block_vars_by_duplicates.
        * tree-flow.h (move_sese_region_to_fn): Adjust prototype.
        * omp-low.c (expand_omp_taskreg): Set TREE_USED on DECL_INITIAL
        BLOCK of the new function.  Adjust move_sese_region_to_fn caller.
        Prune vars with original DECL_CONTEXT from child_cfun->local_decls.
        (expand_omp): Temporarily set input_location to the location of
        region's controlling stmt.
        (lower_omp_sections, lower_omp_for): Add a BLOCK into outermost
        BIND_EXPR, push ctx->block_vars and gimplification vars into
        the BIND_EXPR and its block's BLOCK_VARS instead of directly
        into dest function.
        (lower_omp_single): Set TREE_USED on the BIND_EXPR's BLOCK if
        there are any BLOCK_VARS.
        (lower_omp_taskreg): Set BLOCK on a BIND_EXPR containing the
        OMP_PARALLEL or OMP_TASK stmt.
        (lower_omp): Save and restore input_location around the lower_omp_1
        call.

2008-06-27  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36400
        PR tree-optimization/36373
        PR tree-optimization/36344
        * tree-ssa-structalias.c (var_escaped, escaped_tree, escaped_id,
        var_nonlocal, nonlocal_tree, nonlocal_id): New globals
        (update_alias_info): Remove call clobbering code.
        (make_constraint_to): New helper function.
        (make_escape_constraint): Likewise.
        (handle_rhs_call): Use it on all pointer containing arguments.
        Also mark the static chain escaped.
        (handle_lhs_call): Make constraints from NONLOCAL and ESCAPED
        instead of ANYTHING.
        (make_constraint_from): New helper split out from ...
        (make_constraint_from_anything): ... here.
        (find_func_aliases): Add constraints for escape sites.
        (intra_create_variable_infos): Make constraints from NONLOCAL
        for parameters.
        (find_what_p_points_to): Interpret NONLOCAL and ESCAPED the same
        as ANYTHING.
        (clobber_what_p_points_to): Remove.
        (clobber_what_escaped): New function.
        (init_base_vars): Init NONLOCAL and ESCAPED.
        (do_sd_constraint): Do not propagate the solution from ESCAPED
        but use ESCAPED as a placeholder.
        (solve_graph): Likewise.
        * tree-flow.h (clobber_what_p_points_to): Remove.
        (clobber_what_escaped): Declare.
        * tree-ssa-alias.c (set_initial_properties): Call it.
        Remove code clobbering escaped pointers.

2008-06-27  Richard Sandiford  <rdsandiford@googlemail.com>

        * function.c (allocate_struct_function): Only allocate a unique
        funcdef_no if the decl is nonzero.

2008-06-27  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips-protos.h (mips_split_const_insns): Declare.
        * config/mips/mips.c (mips_split_const_insns): New function.
        * config/mips/mips.md (move_type): New attribute.
        (mode): Move attribute definition earlier in file.  Add "TI" and "TF".
        (dword_mode): New attribute.
        (type): Avoid long line.  Map "move_type"s to "type"s,
        choosing "multi" for doubleword moves if appropriate.
        Swap MTC/MFC comments to match their declaration order.
        (extended_mips16): Default to "yes" if "move_type" is "sll0",
        "type" is "branch" or "jal" is "direct".
        (length): Handle "extended_mips16" first.  Make the default
        "0" for "ghost" instructions.  Set the length from "move_type".
        (truncdisi2, truncdihi2, truncdiqi2): Use "move_type" instead
        of "type", with "sll0" for the register alternative.  Remove the
        "extended_mips16" attribute.
        (zero_extendsidi2, *clear_upper32): Use "move_type" instead
        of "type", with "shift_shift" for the register alternative.
        Remove the "length" attribute.
        (*extend<SHORT:mode><GPR:mode>2, *extendqihi2): Likewise.
        (*zero_extend<SHORT:mode><GPR:mode>2): Use "move_type" instead
        of "type", with "andi" for the register alternative.
        (*zero_extendqihi2): Likewise.
        (*zero_extend<SHORT:mode><GPR:mode>2_mips16e): Use a "move_type"
        of "andi" instead of a "type" of "arith".
        (*zero_extend<SHORT:mode><GPR:mode>2_mips16): Use "move_type"
        instead of "type".
        (*zero_extendqihi2_mips16, mov_<load>l, mov_<load>r, mov_<store>l)
        (mov_<store>r, *mov<mode>_ra): Likewise.
        (extendsidi2): Use "move_type" instead of "type", with "move"
        for the register alternative.
        (*extend<SHORT:mode><GPR:mode>2_mips16e): Use "move_type" instead
        of "type", with "signext" for the register alternative.
        (*extend<SHORT:mode><GPR:mode>2_se<SHORT:size>): Likewise.
        (*extendqihi2_mips16e, *extendqihi2_seb): Likewise.
        (fix_truncdfsi2_insn, fix_truncsfsi2_insn, fix_truncdfdi2)
        (fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2, floatdisf2)
        (floatdisf2, *branch_equality<mode>_mips16): Likewise.
        (unnamed branch insn): Likewise.
        (*movdi_gp32_fp64): Fold into...
        (*movdi_32bit): ...here.
        (*movdf_hardfloat_64bit, *movdf_hardfloat_32bit): Combine into...
        (*movdf_hardfloat): ...this new pattern.
        (*movdf_softfloat): Remove redundant FPR alternatives.
        (*movti, *movti_mips16, *movtf, *movtf_mips16): Add "mode" attributes.
        (*movv2sf_hardfloat_64bit, *movv2sf_hardfloat_32bit): Combine into...
        (*movv2sf): ...this new pattern.  Use "DF" rather than "SF" for
        the "move" attribute.
        (*movdi_32bit): Use "move_type" instead of "type" and remove the
        "length" attribute.  Use "fpload" and "fpstore" instead of "load"
        and "store" for COP loads and stores.
        (*movdi_32bit_mips16, *movdi_64bit, *movsi_internal, movcc)
        (*movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16)
        (*movsf_hardfloat, *movsf_softfloat, *movsi_mips16, *movdf_hardfloat)
        (*movdf_softfloat, *movdf_mips16, *movti, *movti_mips16, *movtf)
        (*movtf_mips16, *movv2sf): Likewise.
        (mfhi<GPR:mode>_<HILO:mode>, mflo<GPR:mode>_<HILO:mode>)
        (load_low<mode>, load_high<mode>, store_word<mode>, mthc1<mode>)
        (mfhc1<mode>): Use "move_type" instead of "move".
        (*low<mode>_mips16): Use "extended_mips16" instead of "length".
        (loadgp_blockage): Remove the "length" attribute.
        (blockage, set_got_version, update_got_version): Likewise.
        (call_internal): Remove the "extended_mips16" attribute.
        (call_value_internal, call_value_multiple_internal): Likewise.
        * config/mips/loongson.md (mov<mode>_internal): Use "move_type"
        instead of "move".
        * config/mips/mips-dsp.md (mips_lbux, mips_lhx, mips_lwx): Remove
        the "length" attribute.

2008-06-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * c-format.c (handle_format_attribute): Fix -Wc++-compat and/or
        -Wcast-qual warnings.
        * c-pragma.c (dpm_eq, handle_pragma_push_macro,
        handle_pragma_pop_macro): Likewise.
        * collect2.c (resolve_lib_name): Likewise.
        * config/arc/arc.c (arc_init): Likewise.
        * config/arm/arm.c (neon_builtin_compare,
        locate_neon_builtin_icode): Likewise.
        * config/arm/pe.c (arm_mark_dllexport, arm_pe_unique_section): Likewise.
        * config/bfin/bfin.c (bfin_init_machine_status,
        bfin_optimize_loop): Likewise.
        * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Likewise.
        * config/cris/cris.c (cris_init_expanders): Likewise.
        * config/darwin-c.c (frameworks_in_use, add_framework): Likewise.
        * config/darwin.c (machopic_indirection_eq,
        machopic_indirection_name, machopic_output_indirection): Likewise.
        * config/frv/frv.c (frv_init_machine_status, frv_compare_insns,
        frv_io_check_address, frv_io_handle_set, frv_io_handle_use_1,
        frv_optimize_membar): Likewise.
        * config/i386/cygwin.h (mingw_scan,
        GCC_DRIVER_HOST_INITIALIZATION): Likewise.
        * config/i386/cygwin1.c (mingw_scan): Likewise.
        * config/i386/i386.c (machopic_output_stub): Likewise.
        * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix,
        i386_pe_unique_section): Likewise.
        * config/ia64/ia64.c (ia64_init_machine_status,
        ia64_h_i_d_extended, get_free_bundle_state, bundling, ia64_reorg):
        Likewise.
        * config/iq2000/iq2000.c, iq2000_init_machine_status): Likewise.
        * config/m68hc11/m68hc11.c (m68hc11_encode_label): Likewise.
        * config/m68k/m68k.c (m68k_handle_option,
        m68k_sched_md_init_global): Likewise.
        * config/mcore/mcore.c (mcore_mark_dllexport, mcore_mark_dllimport,
        mcore_unique_section): Likewise.
        * config/mips/mips.c (mips_block_move_straight,
        mips16_rewrite_pool_refs, mips_sim_wait_regs_2, mips_sim_record_set):
        Likewise.
        * config/mmix/mmix.c (mmix_init_machine_status,
        mmix_encode_section_info): Likewise.
        * config/pa/pa.c (pa_init_machine_status, hppa_encode_label): Likewise.
        * config/rs6000/rs6000.c (rs6000_init_machine_status,
        print_operand_address, output_toc, redefine_groups,
        rs6000_elf_encode_section_info, machopic_output_stub): Likewise.
        * config/s390/s390.c (s390_init_machine_status): Likewise.
        * config/score/score.