re PR target/27946 (double to long long and back to double stores to the stack)

[gcc.git] / gcc / ChangeLog

2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR target/27946
        * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
        encouraging but not allowing gprs for input;
        change the input constraint to !f#r.
        (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
        gprs for output;
        change the output constraint to !f#r.

2008-03-21  Uros Bizjak  <ubizjak@gmail.com>

        PR target/13958
        * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
        corresponding post-reload splitters.
        ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
        when x87 FP math is selected.
        * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
        New function prototype.
        * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
        unreachable function to ease macroization of insn patterns.

2008-03-21  Martin Jambor  <mjambor@suse.cz>

        * tree-data-ref.c (dump_data_dependence_relation): Avoid data
        reference dumps if ddr is NULL or dependence is unknown.

2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
        unsigned extension into account.
        (ATOMIC_COMPARE_AND_SWAP): Likewise.
        (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
        Do computations on a scratch register.

2008-03-21  Richard Guenther  <rguenther@suse.de>

        * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
        Use is_gimple_min_invariant instead of TREE_INVARIANT.
        * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
        * tree-ssa-dom.c (record_equality): Likewise.
        * tree-inline.c (copy_body_r): Likewise.
        * tree-ssa-pre.c (make_values_for_stmt): Remove test for
        TREE_INVARIANT.

2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (split_branches): Pass zero to redirect_jump
        as 'delete_unused' argument.

2008-03-20  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
        special casing of constant qualifiers.
        * tree-ssa.c (useless_type_conversion_p_1): Instead do not
        care about them in general.
        * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
        regardless of their type.
        (fold_stmt_r): Forcefully fold *& if we end up with that.

2008-03-20  Paul Brook  <paul@codesourcery.com>

        * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
        * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
        linker flags.
        * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
        definition.
        (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
        * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.

2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>

        * common.opt (Wmudflap): New option.
        * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
        (mx_register_decls): Likewise.
        (mudflap_finish_file): Likewise.
        * doc/invoke.texi: Document -Wno-mudflap.

2008-03-20  Kai Tietz  <kai.tietz@onevision.com>

        * c-format.c (replace_format_name_to_system_name): New.
        (cmp_attribs): New.
        (convert_format_name_to_system_name): New.
        (decode_format_attr): Add use of convert_format_name_to_system_name.
        (format_types_orig): Add gnu_ prefix to names.
        (check_format_info_main): Special treating of \0 escaped names for
        supporting multi-character format specifiers as I32, I64.
        (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
        (gnu_target_overrides_format_attributes): New.
        * c-format.h: Add structure target_ovr_attr to hold
        system specific formatter names.
        * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
        msformat-c.o file to c_target_objs and cxx_target_objs.
        * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
        (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
        (TARGET_N_FORMAT_TYPES): New.
        * config/i386/msformat-c.c: New.
        * config/i386/t-cygming: Add build rule for msformat-c.o.
        * doc/extend.texi: Add new format names gnu_* and ms_* and
        further details.
        * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.

2008-03-20  Ira Rosen  <irar@il.ibm.com>

        * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
        optimizations turned on under -O3.
        (ftree-vectorize): Add that the flag is turned on with -O3.

2008-03-20  Ben Elliston  <bje@au.ibm.com>

        * regmove.c (try_auto_increment): Fix spelling error in comment.
        * final.c (final_scan_insn): Likewise.

2008-03-20  Uros Bizjak  <ubizjak@gmail.com>

        PR target/14552
        * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
        allocator preferences for "y" and "r" class registers.
        ("*mov<mode>_internal"): Ditto.
        ("*movv2sf_internal_rex64"): Ditto.
        ("*movv2sf_internal"): Ditto.

2008-03-19  Michael Matz  <matz@suse.de>

        PR middle-end/35616
        * calls.c (expand_call): Check overlap of arguments with call
        address for sibcalls.

2008-03-19  Uros Bizjak  <ubizjak@gmail.com>

        PR target/35496
        * stor-layout.c (update_alignment_for_field): Set minimum alignment
        of the underlying type of a MS bitfield layout to the natural
        alignment of the type.

2008-03-19  Jan Hubicka  <jh@suse.cz>

        PR other/35094
        * toplev.c (decode_d_option): Handle all CPP flags.
        * tree-vrp.c: Update tree_pass descriptors.
        * regrename.c: Update tree_pass descriptors.
        * fwprop.c: Update tree_pass descriptors.
        * doc/invoke.texi: Remove documentation of dropped -d? flags.
        * tree-into-ssa.c: Update tree_pass descriptors.
        * tree-dump.c: Update tree_pass descriptors.
        * tree-complex.c: Update tree_pass descriptors.
        * tree-dump.h: Update tree_pass descriptors.
        * see.c: Update tree_pass descriptors.
        * cgraphbuild.c: Update tree_pass descriptors.
        * tracer.c: Update tree_pass descriptors.
        * tree-loop-distribution.c: Update tree_pass descriptors.
        * cgraph.c: Update tree_pass descriptors.
        * postreload-gcse.c: Update tree_pass descriptors.
        * postreload.c: Update tree_pass descriptors.
        * tree-ssa-loop-ch.c: Update tree_pass descriptors.
        * tree-tailcall.c: Update tree_pass descriptors.
        * tree-pass.h (tree_opt_pass): Rename to ...
        (opt_pass) ... this one; add "type" field and remove letter field.
        (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
        (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
        all_lowering_passes): Update declaration.
        * ipa-cp.c: Update tree_pass descriptors.
        * final.c: Update tree_pass descriptors.
        * omp-low.c: Update tree_pass descriptors.
        * tree-ssa-dse.c: Update tree_pass descriptors.
        * ipa-reference.c: Update tree_pass descriptors.
        * tree-ssa-uncprop.c: Update tree_pass descriptors.
        * auto-inc-dec.c: Update tree_pass descriptors.
        * reorg.c: Update tree_pass descriptors.
        * cgraphunit.c: Update tree_pass descriptors.
        * tree-ssa-copyrename.c: Update tree_pass descriptors.
        * tree-ssa-ccp.c: Update tree_pass descriptors.
        * df-core.c: Update tree_pass descriptors.
        * mode-switching.c: Update tree_pass descriptors.
        * tree-nomudflap.c: Update tree_pass descriptors.
        * modulo-sched.c: Update tree_pass descriptors.
        * ipa-pure-const.c: Update tree_pass descriptors.
        * cse.c: Update tree_pass descriptors.
        * web.c: Update tree_pass descriptors.
        * tree-stdarg.c: Update tree_pass descriptors.
        * tree-ssa-math-opts.c: Update tree_pass descriptors.
        * tree-ssa-dom.c: Update tree_pass descriptors.
        * tree-nrv.c: Update tree_pass descriptors.
        * tree-ssa-alias.c: Update tree_pass descriptors.
        * loop-init.c: Update tree_pass descriptors.
        * gimple-low.c: Update tree_pass descriptors.
        * ipa-inline.c: Update tree_pass descriptors.
        * tree-ssa-sink.c: Update tree_pass descriptors.
        * global.c: Update tree_pass descriptors.
        * ifcvt.c: Update tree_pass descriptors.
        * jump.c: Update tree_pass descriptors.
        * predict.c: Update tree_pass descriptors.
        * tree-ssa-loop.c: Update tree_pass descriptors.
        * recog.c: Update tree_pass descriptors.
        * dse.c: Update tree_pass descriptors.
        * tree-ssa-ifcombine.c: Update tree_pass descriptors.
        * tree-eh.c: Update tree_pass descriptors.
        * regmove.c: Update tree_pass descriptors.
        * local-alloc.c
        * function.c: Update tree_pass descriptors.
        * tree-vectorizer.c: Update tree_pass descriptors.
        * gcse.c: Update tree_pass descriptors.
        * ipa-type-escape.c: Update tree_pass descriptors.
        * tree-if-conv.c: Update tree_pass descriptors.
        * init-regs.c: Update tree_pass descriptors.
        * ipa.c: Update tree_pass descriptors.
        * tree-ssa-phiopt.c: Update tree_pass descriptors.
        * rtl-factoring.c: Update tree_pass descriptors.
        * lower-subreg.c: Update tree_pass descriptors.
        * bt-load.c: Update tree_pass descriptors.
        * tree-dfa.c: Update tree_pass descriptors.
        * except.c: Update tree_pass descriptors.
        * emit-rtl.c: Update tree_pass descriptors.
        * cfgexpand.c: Update tree_pass descriptors.
        * tree-cfgcleanup.c: Update tree_pass descriptors.
        * cfgcleanup.c: Update tree_pass descriptors.
        * tree-ssa-pre.c: Update tree_pass descriptors.
        * tree-sra.c: Update tree_pass descriptors.
        * tree-mudflap.c: Update tree_pass descriptors.
        * tree-ssa-copy.c: Update tree_pass descriptors.
        * cfglayout.c: Update tree_pass descriptors.
        * tree-ssa-forwprop.c: Update tree_pass descriptors.
        * tree-ssa-dce.c: Update tree_pass descriptors.
        * tree-ssa.c: Update tree_pass descriptors.
        * regclass.c: Update tree_pass descriptors.
        * integrate.c: Update tree_pass descriptors.
        * tree-optimize.c: Update tree_pass descriptors.
        * tree-ssa-phiprop.c: Update tree_pass descriptors.
        * tree-object-size.c: Update tree_pass descriptors.
        * combine.c: Update tree_pass descriptors.
        * tree-outof-ssa.c: Update tree_pass descriptors.
        * bb-reorder.c: Update tree_pass descriptors.
        * stack-ptr-mod.c: Update tree_pass descriptors.
        * var-tracking.c: Update tree_pass descriptors.
        * tree-profile.c: Update tree_pass descriptors.
        * tree-vect-generic.c: Update tree_pass descriptors.
        * reg-stack.c: Update tree_pass descriptors.
        * sched-rgn.c: Update tree_pass descriptors.
        * tree-ssa-structalias.c: Update tree_pass descriptors.
        * tree-cfg.c: Update tree_pass descriptors.
        * passes.c (current_pass): Update declaration.
        (finish_optimization_passes): Update.
        (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
        (register_one_dump_file, register_dump_files_1, next_pass_1):
        Update arguments.
        (init_optimization_passes): Update handling of new types.
        (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
        * ipa-struct-reorg.c: Update tree_pass descriptors.
        * tree-ssa-reassoc.c: Update tree_pass descriptors.
        * combine-stack-adj.c: Update tree_pass descriptors.
        * cfgrtl.c: Update tree_pass descriptors.
        * dce.c: Update tree_pass descriptors.
        * tree-ssanames.c: Update tree_pass descriptors.

2008-03-19  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35609
        * tree-ssa.c (always_executed): New global flag.
        (warn_uninitialized_var): If !always_executed warn with "maybe"
        instead of "is".
        (execute_early_warn_uninitialized): Compute post-dominators.
        Initialize always_executed before processing each basic block.

2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>

        PR target/35504
        * config/i386/i386.c (x86_this_parameter): Calculate correct location
        of "this" pointer when "regparm = N" or "fastcall" is in effect.

2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/include/texinfo.tex: Update to version 2008-03-17.10.

2008-03-18  Paolo Bonzini  <bonzini@gnu.org>

        * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
        is true.
        (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
        (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
        is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
        target after ignore has been set, and move there also the commputation
        of subtarget and original_target.
        * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
        (LANG_HOOKS_INITIALIZER): Remove it.
        * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.

2008-03-18  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
        found an expression with constants, note that in the VN for the lhs.
        * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
        fold them to constants if possible.  Run cleanup_cfg if done so.
        (execute_pre): Return todo.
        (do_pre): Likewise.
        (execute_fre): Likewise.
        * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
        of constants.
        (get_prop_source_stmt): Look through pointer conversions.

2008-03-18  Jan Hubicka  <jh@suse.cz>

        * tree-pretty-print.c: Include predict.h.
        (dump_generic_node): Dump predictor.
        * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
        * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
        * gimple-low.c (lower_stmt): Likewise.
        * expr.c (expand_expr_real): Likewise.
        * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
        them.
        (build_predict_expr, build_predict_expr): New.
        * predict.h (predictor_name, build_predict_expr): Update.
        * c-typeck.c (c_finish_bc_stmt): Add prediction.
        * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
        * predict.def (PRED_CONTINUE): Update hitrate.
        * tree.def (PREDICT_EXPR): Define.
        * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
        do not handle BIND_EXPR.
        * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
        * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
        * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
        operands.

2008-03-18  Michael Matz  <matz@suse.de>

        * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.

2008-03-18  Richard Guenther  <rguenther@suse.de>

        * tree-gimple.h (is_gimple_invariant_address): Declare.
        (is_gimple_constant): Likewise.
        * tree-gimple.c (is_gimple_constant): New function.
        (is_gimple_invariant_address): Likewise.
        (is_gimple_min_invariant): Implement in terms of is_gimple_constant
        and is_gimple_invariant_address.
        * tree-ssa-loop-niter.c (expand_simple_operations): Revert
        previous change.
        * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
        an addressable base.

2008-03-18  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/35611
        * gimplify.c (gimplify_expr): Gimplify second operand of
        OMP_ATOMIC_LOAD.

2008-03-17  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/19637
        * fold-const.c (fold_unary): Remove restrictions of removing
        intermediate pointer-conversions (P2)(P1)P0.
        * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
        conversion to void pointer.
        (get_maxval_strlen): Handle addresses of the form &(*p)[0].

2008-03-16  James E. Wilson  <wilson@tuliptree.org>

        PR debug/31510
        * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
        emulated thread local variables.

2008-03-16  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35607
        * tree-ssa-loop-niter.c (expand_simple_operations): Do not
        expand TREE_INVARIANT operations that are not gimple invariant.

2008-03-16  Hans-Peter Nilsson  <hp@axis.com>

        * doc/extend.texi (Alignment): Say that the ABI controls
        the __alignof__ for non-strict-alignment targets rather
        than being a recommendation.

2008-03-15  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
        annotations.
        (arm_output_fn_unwind): Mark functions that can not be unwound.

2008-03-15  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
        extension instructions.

2008-03-15  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-ccp.c (ccp_fold): Also read from constant values
        and fold constant aggregate refs.
        (fold_const_aggregate_ref): Handle string constants
        and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
        (evaluate_stmt): Simplify now that ccp_fold folds constant
        aggregate refs.

2008-03-15  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
        (extzv): Use gen_extzv_t2.
        (insv_t2, insv_zero, extv, extzv_t2): New patterns.

2008-03-15  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-ccp.c (get_symbol_constant_value): Export.
        (fold_const_aggregate_ref): Likewise.
        (get_value): Return NULL if we don't have any values.
        (ccp_finalize): Set const_val to NULL after freeing it.
        * tree-flow.h (get_symbol_constant_value): Declare.
        (fold_const_aggregate_ref): Likewise.
        * tree-ssa-sccvn.c (try_to_simplify): Use them.

2008-03-15  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35593
        * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
        to not produce negative array indices if not allowed.  Add
        parameter to indicate that.
        (maybe_fold_offset_to_component_ref): Allow negative array
        indices only for the first member of a structure.
        (maybe_fold_offset_to_reference): Allow negative array indices.
        (maybe_fold_stmt_addition): Likewise.

2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
            Anatoly Sokolov <aesok@post.ru>

        * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
        (avr_arch): Add ARCH_AVR6.
        (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
        (initial_elimination_offset): Initialize and use 'avr_pc_size' 
        instead of fixed value 2.
        (print_operand_address): Use gs() asm specifier instead of pm().
        (avr_assemble_integer): (Ditto.).
        (avr_output_addr_vec_elt): (Ditto.).
        (print_operand): Handle "!" code.
        * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
        __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
        (AVR_HAVE_EIJMP_EICALL): Define.
        (AVR_3_BYTE_PC): Redefine.
        (AVR_2_BYTE_PC): (Ditto.).
        (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
        (LINK_SPEC): Add atmega2560 and atmega2561.
        (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
        (crtm2561.o).
        * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
        for 3 byte PC devices.
        (call_value_insn): (Ditto.).
        (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
        (indirect_jump): Use only for for 2 byte PC devices.
        (*tablejump): (Ditto.).
        (*indirect_jump_avr6): Add insn.
        (*tablejump_rjmp): Don't use for 3 byte PC devices.
        * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
        instead of ijmp for 3 byte PC devices.
        (__tablejump2__): (Ditto.).
        * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
        (MULITLIB_DIRNAMES): (Ditto.). 
        (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.

2008-03-15  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
        "sse2_umulsidi3".  Use V1DI mode for operand 0.
        ("mmx_psadbw"): Use V1DI mode for operand 0.
        * config/i386/i386-modes.def (V1SI): New vector mode.
        * config/i386/i386.c (struct builtin_description)
        [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
        (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
        (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
        (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
        v1di_ftype_v8qi_v8qi type.
        [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.

        * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
        __builtin_ia32_pmuludq]: Fix the mode of return value.

2008-03-15  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35595
        * tree-ssa-pre.c (bitmap_find_leader): Handle expression
        being a PHI_NODE.

2008-03-14  Bob Wilson  <bob.wilson@acm.org>
        
        * doc/invoke.texi (Option Summary, Xtensa Options): Document
        -mserialize-volatile and -mno-serialize-volatile Xtensa options.
        * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
        unless TARGET_SERIALIZE_VOLATILE is enabled.
        * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
        * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
        * config/xtensa/xtensa.opt (mserialize_volatile): New option.

2008-03-14  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/34172
        * tree-flow.h (refs_may_alias_p): Declare.
        (get_single_def_stmt): Likewise.
        (get_single_def_stmt_from_phi): Likewise.
        (get_single_def_stmt_with_phi): Likewise.
        * tree-dfa.c (refs_may_alias_p): New function.
        (get_single_def_stmt): Likewise.
        (get_single_def_stmt_from_phi): Likewise.
        (get_single_def_stmt_with_phi): Likewise.
        * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
        (vn_reference_lookup_1): New helper function.
        (vn_reference_lookup): Walk the virtual use-def chain to
        continue searching for a match if the def does not alias the
        reference we are looking for.

2008-03-14  David Edelsohn  <edelsohn@gnu.org>

        * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
        archive and Perzl.  Update The Written Word listing.

2008-03-14  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/34043
        PR tree-optimization/33989
        * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
        when doing FRE.
        (bitmap_find_leader): Use extra argument to verify dominance
        relationship inside a basic-block.
        (can_PRE_operation): Add VIEW_CONVERT_EXPR.
        (find_leader_in_sets): Adjust.
        (create_component_ref_by_pieces): Take extra argument for
        dominance check, handle lookup failures.
        (find_or_generate_expression): Likewise.
        (create_expression_by_pieces): Likewise.
        (insert_into_preds_of_block): Adjust.
        (create_value_expr_from): If asked for, verify all operands
        are in the blocks AVAIL_OUT set.
        (make_values_for_stmt): Check for SSA_NAMEs that are life
        over an abnormal edge.
        (compute_avail): Remove such check.
        (do_SCCVN_insertion): New function.
        (eliminate): If we do not find a leader suitable for replacement
        insert a replacement expression from SCCVN if available.
        * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
        (struct vn_ssa_aux): Add needs_insertion flag.
        * tree-ssa-sccvn.c (may_insert): New global flag.
        (copy_reference_ops_from_ref): Value-number union member access
        based on its size, not type and member if insertion is allowed.
        (visit_reference_op_load): For a weak match from union type
        punning lookup a view-converted value and insert a SSA_NAME
        for that value if that is not found.
        (visit_use): Make dumps shorter.  Do not disallow value numbering
        SSA_NAMEs that are life over an abnormal edge to constants.
        (free_scc_vn): Release inserted SSA_NAMEs.
        (run_scc_vn): New flag to specify whether insertion is allowed.
        Process SSA_NAMEs in forward order.
        * tree-ssa-loop-im.c (for_each_index): Handle invariant
        ADDR_EXPRs inside VIEW_CONVERT_EXPR.
        * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
        pointer type to/from integral types that do not change the
        precision to regular conversions.

2008-03-13  Uros Bizjak  <ubizjak@gmail.com>

        * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
        __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
        __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
        __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
        input arguments and the mode of return value.  Built-in functions
        that operate on whole 64-bit MMX register now use V1DI mode.

2008-03-13  Alon Dayan  <alond@il.ibm.com>
            Olga Golovanevsky  <olga@il.ibm.com>

        PR tree-optimization/35041
        * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
        to locate the right position in a statement.

2008-03-13  Uros Bizjak  <ubizjak@gmail.com>

        PR target/34000
        PR target/35553
        * config/i386/xmmintrin.h:  Change all static inline functions to
        extern inline and add __gnu_inline__ attribute.
        * config/i386/bmintrin.h: Ditto.
        * config/i386/smmintrin.h: Ditto.
        * config/i386/tmmintrin.h: Ditto.
        * config/i386/mmintrin-common.h: Ditto.
        * config/i386/ammintrin.h: Ditto.
        * config/i386/emmintrin.h: Ditto.
        * config/i386/pmmintrin.h: Ditto.
        * config/i386/mmintrin.h: Ditto.
        * config/i386/mm3dnow.h: Ditto.

2008-03-13  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/35185
        * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
        (lower_omp_2): New function.
        (lower_omp_1, lower_omp): Rewritten.

2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>

        PR 35054
        * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
        with the phrase "Microsoft Windows compilers".
        (Push/Pop Macro Pragmas): New subsection. Document
        #pragma push_macro and pragma pop_macro.

2008-03-12  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.

2008-03-12  Paul Brook  <paul@codesourcery.com>

        * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
        (thumb2_alusi3_short): Exclude PLUS and MINUS.
        (thumb2_addsi_shortim): Rename ...
        (thumb2_addsi_short): ... to this.  Allow register operands.
        (thumb2_subsi_short): New pattern.
        (thumb2_one_cmplsi2_short,
        thumb2_negsi2_short): New patterns and peepholes.

2008-03-12  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.

2008-03-12  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (int_cond): New code iterator.
        (fp_cond): Ditto.
        ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
        sge, sgeu, sle and sleu expanders usign int_cond code iterator.
        ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
        sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
        ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
        bge, bgeu, ble and bleu expanders usign int_cond code iterator.
        ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
        bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.

2008-03-12  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
        instead of {arm,thumb}_compute_save_reg_mask.
        (output_return_instruction): Ditto.
        (thumb_unexpanded_epilogue): Ditto.
        (thumb1_expand_prologue): Ditto.
        (thumb1_output_function_prologue): Ditto.
        (arm_set_return_address): Ditto.
        (thumb_set_return_address): Ditto.
        (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
        regs to achieve stack alignment.
        (thumb1_compute_save_reg_mask): Fix compiler warning.
        (arm_output_epilogue): Use offsets->saved_regs_mask.
        Adjust stack pointer by poping call clobered registers.
        (arm_expand_prologue): Use offsets->saved_regs_mask.
        Adjust stack pointer by pushing extra registers.
        * config/arm.h (arm_stack_offsets): Add saved_regs_mask.

2008-03-12  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-opt/35422
        * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
        conversion to the operands of a multiplication.

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

        * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
        (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
        * timevar.def (TV_TREE_PHIPROP): Add.
        * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
        pass description.  Use TV_TREE_PHIPROP.
        * tree-ssa-forwprop.c: Remove phiprop code.

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

        PR middle-end/35549
        * omp-low.c (maybe_lookup_decl): Constify first argument.
        (use_pointer_for_field): Change last argument from bool to
        omp_context *.  Disallow shared copy-in/out in nested
        parallel if decl is shared in outer parallel too.
        (build_outer_var_ref, scan_sharing_clauses,
        lower_rec_input_clauses, lower_copyprivate_clauses,
        lower_send_clauses, lower_send_shared_vars): Adjust callers.

2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
            Ira Rosen  <irar@il.ibm.com>

        * tree-vectorizer.c (free_stmt_vec_info): New function.
        (destroy_loop_vec_info): Move code to free_stmt_vec_info().
        Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
        * tree-vectorizer.h (free_stmt_vec_info): Declare.
        * tree-vect-transform.c (vectorizable_conversion): Free
        vec_oprnds0 if it was allocated.
        (vect_permute_store_chain): Remove unused VECs.
        (vectorizable_store): Free VECs that are allocated in the..
        function.
        (vect_transform_strided_load, vectorizable_load): Likewise.
        (vect_remove_stores): Simplify the code.
        (vect_transform_loop): Move code to vect_remove_stores().
        Call vect_remove_stores() and free_stmt_vec_info().

2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
        TARGET_HPUX.  Revise comment.
        (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
        * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
        Use sr4 variant of `be' instruction when not generating PIC code.
        (attr_length_call): Adjust for above change.

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

        * ipa-reference.c (static_execute): Remove module_statics_const and
        associated setting code.

2008-03-11  Uros Bizjak  <ubizjak@gmail.com>

        PR target/35540
        * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
        predicate for operand 1.
        (paritysi2_cmp): Use register_operand predicate for operand 2.
        Use earlyclobber modifier for operand 1.  Remove support for
        memory operands.
        (paritydi2_cmp): Use register_operand predicate for operand 3.
        Use earlyclobber modifier for operand 1.  Remove support for
        memory operands.

2008-03-11  Paul Brook  <paul@codesourcery.com>
            Vladimir Prus  <vladimir@codesourcery.com>

        * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
        (arm_compute_save_reg0_reg12_mask): Always
        check if register 11 must be saved.  Always safe hard frame pointer
        when frame_pointer_needeed.
        (arm_compute_save_reg_mask): Save IP and PC
        only with apcs frames.
        (arm_output_epilogue): Adjust Thumb2 codepath to
        be also invoked and work for ARM non-apcs frames.
        (arm_expand_prologue): Don't bother saving IP
        for non-apcs frame, since it's not clobbered by
        prologue code.  Implement non-apcs frame
        layout.

2008-03-11  Paolo Bonzini  <bonzini@gnu.org>

        PR rtl-optimization/35281
        * expr.c (convert_move): Use a new pseudo for the intermediate
        from_mode->word_mode result.

2008-03-11  Paolo Bonzini  <bonzini@gnu.org>

        * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
        * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
        * toplev.c (compile_file): Don't call it.

2008-03-11  Uros Bizjak  <ubizjak@gmail.com>

        PR middle-end/35526
        * expr.c (store_expr): Call emit_block_move if the mode
        of "temp" RTX is BLKmode.

2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
            Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/31358
        * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
        the step with a NULL_TREE.
        * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
        to sizetype if type is a pointer type.
        (add_candidate_1): Don't convert the base and step to
        the generic type if the orginal type is a pointer type.
        (add_iv_value_candidates): Use sizetype for the step
        if type is a pointer type.
        (cand_value_at): Likewise.
        * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
        for pointer types.
        * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
        Don't convert the tem affine to the type.
        (add_elt_to_tree): Use sizetype for the step if a pointer.
        Use POINTER_PLUS_EXPR for pointers.
        (aff_combination_to_tree): Use sizetype for the step if a
        pointer.

2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>

        * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
        Remove commutativity hint.

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

        PR c/35438
        PR c/35439
        * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
        errorneous type.  Check that v is a VAR_DECL.

        PR middle-end/35099
        * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.

2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>

        PR tree-optimization/35494
        * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
        may be overriden at link and run time.

2008-03-10  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/34677
        * tree-ssa-pre.c (modify_expr_node_pool): Remove.
        (poolify_tree): Likewise.
        (modify_expr_template): Likewise.
        (poolify_modify_stmt): Likewise.
        (insert_fake_stores): Handle all component-ref style stores
        in addition to INDIRECT_REF.  Also handle complex types.
        Do not poolify the inserted load.
        (realify_fake_stores): Do not rebuild the tree but only
        make it a SSA_NAME copy.
        (init_pre): Remove initialzation of modify_expr_template.
        Do not allocate modify_expr_node_pool.
        (fini_pre): Do not free modify_expr_node_pool.

2008-03-10  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
        to avoid conflicts.

2008-03-10  Paul Brook  <paul@codesourcery.com>
            Mark Shinwell  <shinwell@codesourcery.com>

        * config/arm/cortex-r4.md: New.
        * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
        insn attributes.
        * config/arm/arm.md: Include cortex-r4.md.
        (insn): Add smmls, sdiv and udiv values.
        (generic_sched): Don't use generic scheduling for Cortex-R4.
        (arm_issue_rate): New function.
        (TARGET_SCHED_ISSUE_RATE): Define.

2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>

        * doc/invoke.texi (-ftree-loop-distribution): Add an example.

2008-03-10  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-pre.c (get_sccvn_value): Simplify.
        (compute_avail): Do not add stmt uses to AVAIL_OUT.

2008-03-10  Paolo Bonzini  <bonzini@gnu.org>

        * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
        Set default to true.

2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * c.opt (Wsynth): Deprecate.
        * doc/invoke.texi (Option Summary, Warning Options): Document
        -Wno-format-contains-nul.

2008-03-09  Uros Bizjak  <ubizjak@gmail.com>

        PR target/35496
        * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
        ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.

2008-03-09  Ira Rosen  <irar@il.ibm.com>

        * config/rs6000/rs6000.c (builtin_description): Rename vector
        left shift operations.
        * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
        (altivec_vsl<VI_char>): Rename to ...
        (ashl<mode>3): ... new name.
        (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
        gen_ashlv4si3.
        (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.

2008-03-08  Richard Guenther  <rguenther@suse.de>

        * coverage.h (tree_coverage_counter_addr): Declare.
        * coverage.c (tree_coverage_counter_addr): New function.
        * tree-profile.c (tree_gen_edge_profiler): Unshare counter
        before using again.
        (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
        (tree_gen_one_value_profiler): Likewise.
        (tree_gen_ic_profiler): Likewise.
        (tree_gen_average_profiler): Likewise.
        (tree_gen_ior_profiler): Likewise.

2008-03-08  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
        (vn_binary_op_insert): Likewise.
        (vn_unary_op_lookup): Likewise.
        (vn_unary_op_insert): Likewise.
        (vn_nary_op_lookup): Declare.
        (vn_nary_op_insert): Likewise.
        * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
        and binary hashes, use a single obstack for unary_op_pool
        and binary_op_pool.
        (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
        a single struct vn_nary_op_s.  Store tree code length and
        a variable number of operands.
        (struct vn_reference_op_struct): Remove unused op2.
        (vn_reference_op_eq): Do not compare op2.
        (vn_reference_op_compute_hash): Do not compute hash of op2.
        (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
        (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
        with vn_nary_op_compute_hash.
        (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
        (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
        vn_nary_op_lookup.
        (vn_unary_op_insert, vn_binary_op_insert): Replace with
        vn_nary_op_insert.
        (visit_unary_op): Call nary functions.
        (visit_binary_op): Likewise.
        (process_scc): Adjust for struct vn_tables_s changes.
        (allocate_vn_table): Likewise.
        (free_vn_table): Likewise.
        * tree-vn.c (vn_add): Call nary functions.
        (vn_lookup): Likewise.

2008-03-08  Jakub Jelinek  <jakub@redhat.com>

        PR target/35498
        * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
        wdst back after sync_compare_and_swapqhi_internal.

2008-03-08  Uros Bizjak  <ubizjak@gmail.com>

        PR target/22152
        * config/i386/i386-modes.def (V1DI): New vector mode.
        * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
        * config/i386/mmx.md (MMXMODEI8): New mode iterator.
        (MMXMODE248): Ditto.
        (MMXMODE): Add V1DI mode.
        (mmxvecsize): Change DI mode to V1DI mode.
        ("mov<mode>): Use MMXMODEI8 mode iterator.
        ("*mov<mode>_internal_rex64"): Ditto.
        ("*mov<mode>_internal"): Ditto.
        ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
        ("mmx_sub<mode>3"): Ditto.
        ("mmx_adddi3"): Remove insn pattern.
        ("mmx_subdi3"): Ditto.
        ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
        ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
        ("mmx_ashl<mode>3"): Ditto.
        ("mmx_lshrdi3"): Remove insn pattern.
        ("mmx_ashldi3"): Ditto.
        * config/i386/i386.c (classify_argument): Handle V1DImode.
        (function_arg_advance_32): Ditto.
        (function_arg_32): Ditto.
        (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
        mmx_addv1di3 insn pattern.
        [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
        [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
        IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
        IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
        Remove definitions of built-in functions.
        (V1DI_type_node): New node.
        (v1di_ftype_v1di_int): Ditto.
        (v1di_ftype_v1di_v1di): Ditto.
        (v2si_ftype_v2si_si): Ditto.
        (v4hi_ftype_v4hi_di): Remove node.
        (v2si_ftype_v2si_di): Ditto.
        (ix86_init_mmx_sse_builtins): Handle V1DImode.
        (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
        Redefine builtins using def_builtin_const with *_ftype_*_int node.
        (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
        Add new builtins using def_builtin_const.
        (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
        IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
        IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
        * config/i386/mmintrin.h (__v1di): New typedef.
        (_mm_add_si64): Cast arguments to __v1di type.
        (_mm_sub_si64): Ditto.
        (_mm_sll_pi16): Cast __count to __v4hi type.
        (_mm_sll_pi32): Cast __count to __v2si type.
        (_mm_sll_si64): Cast arguments to __v1di type.
        (_mm_srl_pi16): Cast __count to __v4hi type.
        (_mm_srl_pi32): Cast __count to __v2si type.
        (_mm_srl_si64): Cast arguments to __v1di type.
        (_mm_sra_pi16): Cast __count to __v4hi type.
        (_mm_sra_pi32): Cast __count to __v2si type.
        (_mm_slli_pi16): Use __builtin_ia32_psllwi.
        (_mm_slli_pi32): Use __builtin_ia32_pslldi.
        (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
        (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
        (_mm_srli_pi32): Use __builtin_ia32_psrldi.
        (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
        (_mm_srai_pi16): Use __builtin_ia32_psrawi.
        (_mm_srai_pi32): Use __builtin_ia32_psradi.
        * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
        * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
        __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
        __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.

2008-03-07  Joseph Myers  <joseph@codesourcery.com>

        * doc/include/texinfo.tex: Update to version 2008-03-07.10.

2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>

        PR target/35373
        * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
        reg+const addressing for Altivec modes.  Don't generate reg+reg
        addressing for TFmode or TDmode quantities.

2008-03-07  Paolo Bonzini  <bonzini@gnu.org>

        * c-common.c (vector_types_convertible_p): Call langhook
        instead of comptypes.

2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR tree-opt/35402
        * tree-ssa-ccp.c (get_symbol_constant_value): Handle
        integral and scalar float variables which have a
        NULL DECL_INITIAL.

2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>

        * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
        dwarf_register_span hook when emitting unwind information for
        register-to-memory saves.
        * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
        (rs6000_frame_related): Remove call to spe_synthesize_frame.

2008-03-06  Jakub Jelinek  <jakub@redhat.com>

        * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
        for the same VAR_DECL.

2008-03-06  Tom Tromey  <tromey@redhat.com>

        * treelang: Delete.
        * doc/standards.texi (Standards): Don't mention treelang.
        * doc/invoke.texi (Overall Options): Don't mention treelang.
        * doc/install.texi (Prerequisites): Don't mention bison or
        treelang.
        (Configuration): Don't mention treelang.
        (Building): Likewise.
        * doc/frontends.texi (G++ and GCC): Don't mention treelang.

2008-03-06  Paolo Bonzini  <bonzini@gnu.org>

        * simplify-rtx.c (simplify_subreg): Remove useless shifts from
        word-extractions out of a multi-word object.

2008-03-06  Richard Guenther  <rguenther@suse.de>

        * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
        * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
        result type and precision.
        * expr.c (get_inner_reference): Set unsignedp based on the result
        type of BIT_FIELD_REF.
        * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
        * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
        (try_instantiate_multiple_fields): Likewise.  Use the correct type
        for BIT_FIELD_REF.
        (sra_build_assignment): Likewise.
        (sra_build_elt_assignment): Likewise.
        (sra_explode_bitfield_assignment): Likewise.
        * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
        * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
        set BIT_FIELD_REF_UNSIGNED.
        (vectorizable_load): Likewise.

2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>

        * cse.c (cse_extended_basic_block): Invalidate artificial defs
        at bb start.

2008-03-06  Richard Guenther  <rguenther@suse.de>

        * alias.c (struct alias_set_entry): Move has_zero_child field
        to pack with alias_set.

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

        * config/i386/i386-modes.def: Use 4 byte alignment on DI for
        32bit host.

2008-03-05  Ian Lance Taylor  <iant@google.com>

        * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.

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

        * fwprop.c (update_df): Support width and offset parameters of
        df_ref_create.
        * ra-conflict.c (mark_reg_store, clear_reg_in_live,
        global_conflicts): Change DF_REF_EXTRACT to either
        DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
        DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
        * df-scan.c (df_ref_record, df_defs_record,
        df_ref_create_structure, df_def_record_1, df_uses_record,
        df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
        df_bb_refs_collect, df_entry_block_defs_collect,
        df_exit_block_uses_collect): Support new width and offset fields.
        (ref_extract_pool): New storage pool.
        (df_free_ref): New function.
        (df_reg_chain_unlink, df_free_collection_rec,
        df_sort_and_compress_refs): Call df_free_ref.
        (df_ref_equal_p, df_ref_compare): Compare offset and width fields
        of df_ref_extract.
        (df_ref_create_structure): Allocate df_ref_extract if offset and
        width fields are used.
        (df_def_record_1): Get offset and width from ZERO_EXTRACT.
        (df_uses_record): Get offset and width from ZERO_EXTRACT 
        and SIGN_EXTRACT.
        * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
        DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
        DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
        * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
        DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
        DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
        (df_ref_extract): New structure.
        (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
        (df_ref_create): Add width and offset parameters.
        
2008-03-05  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (get_constraint_for_component_ref):
        Use ranges_overlap_p.
        (offset_overlaps_with_access): Rename
        to ranges_overlap_p and move ...
        * tree-flow-inline.h (ranges_overlap_p): ... here.

        * tree.h (get_inner_reference, handled_component_p): Update
        comments.

        * tree.h (record_component_aliases, get_alias_set,
        alias_sets_conflict_p, alias_sets_must_conflict_p,
        objects_must_conflict_p): Move declarations ...
        * alias.h (record_component_aliases, get_alias_set,
        alias_sets_conflict_p, alias_sets_must_conflict_p,
        objects_must_conflict_p): ... here.
        Include coretypes.h.
        * Makefile.in (ALIAS_H): Add coretypes.h dependency.

2008-03-05  Aldy Hernandez  <aldyh@redhat.com>

        * cfg.c: Include tree-flow.h.
        (remove_edge_raw): Call redirect_edge_var_map_clear.
        (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
        * tree-flow-inline.h (redirect_edge_var_map_def): New.
        (redirect_edge_var_map_result): New.
        * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
        PENDING_STMT use with redirect_edge_var_map_*.
        * tree-ssa.c (edge_var_maps): New definition.
        (redirect_edge_var_map_add): New.
        (redirect_edge_var_map_clear): New.
        (redirect_edge_var_map_dup): New.
        (redirect_edge_var_map_vector): New.
        (redirect_edge_var_map_destroy): New.
        (ssa_redirect_edge): Replace PENDING_STMT use with
        redirect_edge_var_map_*.
        (flush_pending_stmts): Same.
        (delete_tree_ssa): Destroy edge var map.
        * tree-flow.h (struct _edge_var_map): New.
        Define edge_var_map vector type.
        Declare redirect_edge_var_map_* prototypes.
        * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
        * tree-cfg.c (reinstall_phi_args): Replace
        PENDING_STMT use with redirect_edge_var_map_*.

2008-03-05  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/35472
        * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
        whose single use_stmt has a overlapping set of loaded and
        stored symbols as that use_stmt might be a noop assignment then.

2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>

        * gthr-rtems.h: Implement __gthread_mutex_destroy.

2008-03-05  Richard Guenther  <rguenther@suse.de>

        PR c++/35336
        * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
        should be constants.
        * tree-cfg.c (verify_expr): Verify it.
        * fold-const.c (fold_truthop): Remove code generating
        BIT_FIELD_REFs of structure bases.
        (fold_binary): Likewise.
        (fold_ternary): Position and size of BIT_FIELD_REFs are
        always host integers.
        (make_bit_field_ref): Remove.
        (optimize_bit_field_compare): Remove.
        (all_ones_mask_p): Remove.

2008-03-05  Gabor Loki  <loki@gcc.gnu.org>

        PR gcc/33009
        * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
        (split_block_and_df_analyze): New. Split basic block and rebuild
        dataflow.
        (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
        SPLIT_BLOCK.
        (split_pattern_seq): Likewise.
        (erase_matching_seqs): Likewise.
        (split_pattern_seq): Skip return insn in case of REG_NORETURN note.

2008-03-04  Geoff Keating  <geoffk@apple.com>

        * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
        declaration and code.
        (tree_invalid_nonnegative_warnv_p): Likewise.

2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>

        * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
        examples.  Truncate option-names then causing overfull hbox.

2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/35222
        * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
        on hpux10.
        * configure: Rebuilt.

2008-03-04  Rafael Espindola  <espindola@google.com>

        * fold-const.c (tree_simple_nonnegative_warnv_p): New.
        (tree_unary_nonnegative_warnv_p): New.
        (tree_binary_nonnegative_warnv_p): New.
        (tree_single_nonnegative_warnv_p): New.
        (tree_invalid_nonnegative_warnv_p): New.
        (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.

2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 28322
        * opts.c (handle_option): Postpone 'unknown option' errors only for
        warning options.

2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/35453
        * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
        (_SIDD_XXX): This.

2008-03-04  Rafael Espindola  <espindola@google.com>

        * fold-const.c (tree_unary_nonzero_warnv_p): New.
        (tree_binary_nonzero_warnv_p): New.
        (tree_single_nonzero_warnv_p): New.
        (tree_expr_nonzero_warnv_p): Redefine using the new functions.

2008-03-04  Uros Bizjak  <ubizjak@gmail.com>

        PR middle-end/35456
        * fold-const.c (fold_cond_expr_with_comparison): Prevent
        transformations for modes that have signed zeros.
        * ifcvt.c (noce_try_abs): Ditto.

2008-03-04  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/i386.c (override_options): Force
        -maccumulate-outgoing-args on if TARGET_STACK_PROBE.

2008-03-04  Jan Hubicka  <jh@suse.cz>

        PR c++/35262
        * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
        in last commit.

2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
        label to probe the stack.

2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>

        * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
        (__gthr_win32_mutex_destroy): Declare.
        [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
        __gthr_win32_mutex_destroy.
        * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.

2008-03-03  Jan Hubicka  <jh@suse.cz>

        PR c++/35262
        * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
        aggressive on inlining cold calls.

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

        * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
        struct copies into the expression table.
        (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
        (try_to_simplify): Likewise.
        * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
        integral and pointer arguments which do not change the
        precision to NOP_EXPRs.
        * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
        VIEW_CONVERT_EXPR case.

2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
        defined in a loop at depth 0 is invariant.
        * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
        * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
        be called at loop depth 0.

2008-03-02  Jakub Jelinek  <jakub@redhat.com>

        PR driver/35420
        * gcc.c (process_command): Update copyright notice dates.
        * gcov.c (print_version): Likewise.
        * gcov-dump.c (print_version): Likewise.
        * mips-tfile.c (main): Likewise.
        * mips-tdump.c (main): Likewise.

2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 24924
        * c-common.c (flag_permissive): Delete.
        (constant_expression_warnings): Check flags first.
        (constant_expression_error): New.
        * c-common.h (flag_permissive): Delete.
        (constant_expression_error): Declare.
        * flags.h (flag_permissive): Declare. Update description.
        * diagnostic.c (pedwarn): Update.
        (permerror): New.
        * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
        (permissive_error_kind): New.
        * toplev.c (flag_permissive): Define. Update description.
        * toplev.h (permissive_error_kind): Declare.
        * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
        (pedwarn_c90): Use pedantic_warning_kind.
        * c-opts.c (c_common_post_options): flag_permissive does not affect
        flag_pedantic_errors.

2008-03-02  Joseph Myers  <joseph@codesourcery.com>

        * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
        __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
        __absvsi2, __absvDI2): Use unsigned arithmetic.

2008-03-02  Andi Kleen  <ak@suse.de>
            Richard Guenther  <rguenther@suse.de>

        * struct-equiv.c: Remove file.
        * cfg_cleanup.c (condjump_equiv_p): Remove.
        * Makefile.in (OBJS-common): Remove struct-equiv.o.
        (struct-equiv.o): Remove rule.
        * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
        insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
        rtx_equiv_p, condjump_equiv_p): Remove prototypes.

2008-03-01  Alexandre Oliva  <aoliva@redhat.com>

        * ifcvt.c (noce_process_if_block): Try to handle only the then
        block if the else block exists but isn't suitable.

2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>

        PR gcc/35063
        * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
        * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
        regression from previous patch.

2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>

        PR gcc/35063
        * gthr.h: Add __gthread_mutex_destroy as a function that must be
        implemented.
        * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
        * gthr-single.h (__gthread_mutex_destroy): Likewise.
        * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
        * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
        * gthr-nks.h (__gthread_mutex_destroy): Likewise.
        * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
        * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
        (__gthread_mutex_destroy_function): Rename to
        __gthread_mutex_destroy.
        * gthr-dce.h (__gthread_mutex_destroy): Call
        pthread_mutex_destroy.
        * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
        * gthr-posix.h (__gthread_mutex_destroy): Likewise.
        * gthr-posix95.h (__gthread_mutex_destroy): Likewise.

2008-03-01  Alexandre Oliva  <aoliva@redhat.com>

        * df-scan.c (df_ref_chain_change_bb): Simplify.
        (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
        set_block_for_insn if there's any change.
        * df.h ((df_insn_change_bb): Fix prototype.
        * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
        df_insn_change_bb, don't call set_block_for_insn.
        * emit-rtl.c (reorder_insns): Likewise.
        * haifa-sched.c (move_insn): Likewise.

2008-03-01  Alexandre Oliva  <aoliva@redhat.com>

        * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.

2008-03-01  Alexandre Oliva  <aoliva@redhat.com>

        * tree-flow-inline.h (next_readonly_imm_use): Return
        NULL_USE_OPERAND_P after the end.

2008-03-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/35411
        * tree-sra.c (sra_build_assignment): Split conversion to
        final type to a separate statement if we are not assigning
        to a register.

2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        * fold-const.c (fold_convertible_p): Correct the logic to follow
        that in fold_convert().

2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>

        PR c++/35315
        * tree-inline.c (build_duplicate_type): When we make a
        duplicate type, make it unique in the canonical types system.

2008-02-29  Tom Tromey  <tromey@redhat.com>

        * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
        input_file_stack_history, input_file_stack_restored): Remove.
        (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
        * input.h (struct file_stack): Remove.
        (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
        (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
        Likewise.
        * diagnostic.h (struct diagnostic_context) <last_module>: Change
        type.
        (diagnostic_last_module_changed): Add 'map' argument.
        (diagnostic_set_last_function): Likewise.
        * diagnostic.c (undiagnostic_report_current_module): Iterate using
        line map, not input_file_stack.
        * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.

2008-02-29  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.

2008-02-29  Paul Brook  <paul@codesourcery.com>

        * config/arm/ieee754-df.S (muldf3): Use RET macros.

2008-02-29  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
        vn_lookup_or_add.
        * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
        value for comparing for a store match.
        (simplify_unary_expression): Do nothing for SSA_NAMEs.
        (try_to_simplify): Do not do a full-blown reference lookup.

2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
        (TARGET_SCALAR_MODE_SUPPORTED_P): Define.

        * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.

2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-loop-linear.c (try_interchange_loops): Compare memory access
        strides against cache sizes.

2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_secondary_reload): Handle loading a float
        constant to fpul.

2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>

        * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
        of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
        is smaller than the original promoted value.
        (simplify_subreg): If OP is a SUBREG, try to preserve its
        SUBREG_PROMOTED_VAR_P information.

2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>

        * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
        (VN_INFO_GET): Allocate new objects on the obstack.
        (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
        for rpo_numbers_temp, for consistency.
        (free_scc_vn): Free the obstack.

2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>

        * doc/invoke.texi: Document -ftree-loop-distribution.
        * tree-loop-distribution.c: New.
        * tree-pass.h (pass_loop_distribution): New.
        * graphds.h (struct graph): Add htab_t indices.
        * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
        * tree-vectorizer.c (rename_variables_in_loop): Extern.
        (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
        * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
        * tree-data-ref.c (debug_data_dependence_relations): New.
        (dump_data_dependence_relation): Also print data references.
        (free_data_ref): Extern.
        (same_access_functions): Moved...
        (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
        (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
        debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
        struct rdg_vertex_info, rdg_vertex_for_stmt): New.
        (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
        (stmts_from_loop): Skip LABEL_EXPR.
        (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
        New.
        (build_rdg): Initialize rdg->indices htab.
        (free_rdg, stores_from_loop, ref_base_address,
        rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
        have_similar_memory_accesses_1, ref_base_address_1,
        remove_similar_memory_refs): New.
        * tree-data-ref.h: Depend on tree-chrec.h.
        (debug_data_dependence_relations, free_data_ref): Declared.
        (same_access_functions): ... here.
        (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
        New.
        (struct rdg_vertex): Add has_mem_write and has_mem_reads.
        (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
        RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
        (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
        debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
        rdg_vertex_for_stmt): Declared.
        (struct rdg_edge): Add level.
        (RDGE_LEVEL): New.
        (free_rdg, stores_from_loop, remove_similar_memory_refs,
        rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
        Declared.
        (rdg_has_similar_memory_accesses): New.
        * tree-vect-analyze.c: Remove unused static decls.
        * lambda.h (dependence_level): New.
        * common.opt (ftree-loop-distribution): New.
        * tree-flow.h (mark_virtual_ops_in_bb, 
        slpeel_tree_duplicate_loop_to_edge_cfg,
        rename_variables_in_loop): Declared.
        * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
        (OBJS-common): Add tree-loop-distribution.o.
        (tree-loop-distribution.o): New rule.
        * tree-cfg.c (mark_virtual_ops_in_bb): New.
        (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
        * passes.c (init_optimization_passes): Schedule pass_loop_distribution.

2008-02-28  Joseph Myers  <joseph@codesourcery.com>

        PR target/33963
        * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
        other than structures and unions.

2008-02-28  Richard Guenther  <rguenther@suse.de>

        Revert:
        2008-02-26  Richard Guenther  <rguenther@suse.de>

        * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
        * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
        (lookup_decl_from_uid): Declare.
        (remove_decl_from_map): Likewise.
        * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
        * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
        (decl_for_uid_map): New global hashtable mapping DECL_UID
        to the decl tree.
        (init_ttree): Allocate it.
        (insert_decl_to_uid_decl_map): New helper function.
        (make_node_stat): Insert new decls into the map.
        (copy_node_stat): Likewise.
        (lookup_decl_from_uid): New function.
        (remove_decl_from_map): Likewise.
        (print_decl_for_uid_map_statistics): New helper.
        (dump_tree_statistics): Call it.

        * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
        (referenced_var_iterator): Adjust.
        (FOR_EACH_REFERENCED_VAR): Adjust.
        (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
        (num_referenced_vars): Adjust.
        * tree-flow-inline.h (gimple_referenced_vars): Adjust.
        (first_referenced_var): Remove.
        (end_referenced_vars_p): Likewise.
        (next_referenced_var): Likewise.
        (referenced_var_iterator_set): New helper function.
        * tree-dfa.c (referenced_var_lookup): Adjust.
        (referenced_var_check_and_insert): Likewise.
        (remove_referenced_var): Likewise.
        * tree-ssa.c (verify_flow_insensitive_alias_info): Use
        FOR_EACH_REFERENCED_VAR_IN_BITMAP.
        (verify_call_clobbering): Likewise.
        (verify_memory_partitions): Likewise.
        (init_tree_ssa): Allocate bitmap instead of hashtable for
        referenced_vars.
        (delete_tree_ssa): Adjust.
        * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
        FOR_EACH_REFERENCED_VAR_IN_BITMAP.
        (compute_tag_properties): Likewise.
        (set_initial_properties): Likewise.
        (find_partition_for): Likewise.
        (update_reference_counts): Likewise.
        (dump_may_aliases_for): Likewise.
        * tree-ssa-operands.c (add_virtual_operand): Likewise.
        (add_call_clobber_ops): Likewise.
        (add_call_read_ops): Likewise.
        (get_asm_expr_operands): Likewise.
        * tree-into-ssa.c (dump_decl_set): Likewise.
        (update_ssa): Likewise.
        * tree-sra.c (scan_function): Likewise.
        (decide_instantiations): Likewise.
        (scalarize_parms): Likewise.
        * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
        (dsa_named_for): Likewise.
        * tree-ssa-structalias.c (update_alias_info): Likewise.
        (merge_smts_into): Likewise.

2008-02-27  David Daney  <ddaney@avtrex.com>

        PR target/34409
        * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
        * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
        * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
        * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
        * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.

2008-02-27  Uros Bizjak  <ubizjak@gmail.com>

        PR target/25477
        * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
        (BUILT_IN_NEXTTOWARD): Remove.
        (BUILT_IN_NEXTTOWARDF): Ditto.
        * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
        alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.

2008-02-27  Tom Tromey  <tromey@redhat.com>

        * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
        DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.

2008-02-27  Jan Beulich  <jbeulich@novell.com>

        * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
        update the respective field on newdecl.

2008-02-27  Revital Eres  <eres@il.ibm.com>

        PR rtl-optimization/34999
        * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
        crossing edges that ends with a call insn.
        (fix_up_fall_thru_edges): Handle crossing edges that ends with a
        call insn and clear the EDGE_CROSSING flag of the crossing edge
        when fixing fallthru edges.

2008-02-27  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35390
        * fold-const.c (fold_unary): Return the correct argument,
        converted to the result type.

2008-02-27  Richard Guenther  <rguenther@suse.de>

        PR middle-end/34971
        * expr.c (expand_expr_real_1): Assert on rotates that operate
        on partial modes.
        * fold-const.c (fold_binary): Use the types precision, not the
        bitsize of the mode if folding rotate expressions.  Build rotates
        only for full modes.

2008-02-27  Jakub Jelinek  <jakub@redhat.com>

        * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
        and CPP_PRAGMA_EOL.
        * c-pragma.c (pragma_ns_name): New typedef.
        (registered_pp_pragmas): New variable.
        (c_pp_lookup_pragma): New function.
        (c_register_pragma_1): If flag_preprocess_only, do nothing
        for non-expanded pragmas, for expanded ones push pragma's
        namespace and name into registered_pp_pragmas vector.
        (c_invoke_pragma_handler): Register OpenMP pragmas even when
        flag_preprocess_only, don't register GCC pch_preprocess
        pragma if flag_preprocess_only.
        * c-opts.c (c_common_init): Call init_pragma even if
        flag_preprocess_only.
        * c-pragma.c (c_pp_lookup_pragma): New prototype.
        * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
        cpp_register_pragma if flag_preprocess_only.

2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR c/28800
        * c-parser.c (c_parser_translation_unit): Warn for empty
        translation unit, not empty source file.

2008-02-26  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
        operand for Thumb-2.
        * config/arm/arm.h (reg_class): Add CORE_REGS.
        (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
        (BASE_REG_CLASS): Use CORE_REGS.
        (PREFERRED_RELOAD_CLASS): Add STACK_REG.
        (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
        (REGNO_OK_FOR_INDEX_P): Exclude SP.
        (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
        ARM_REGNO_OK_FOR_INDEX_P.
        (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
        * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
        arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
        (ldm/stm peepholes): Ditto.
        * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
        * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
        * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
        * config/arm/constraints.md: Enable "k" constraint on ARM.

2008-02-27  Ben Elliston  <bje@au.ibm.com>

        * config/rs6000/rs6000.c: Annotate cache line size field in all
        instances of struct processor_costs.

2008-02-26  David Edelsohn  <edelsohn@gnu.org>

        * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
        dse2, gcse, if_conversion, if_after_combine, if_after_reload,
        jump_bypass): New counters.
        * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
        * dce.c (gate_ud_dce): Same.
        (gate_fast_dce): Same.
        * dse.c (gate_dse1): New function.
        (gate_dse2): New function.
        (gate_dse): Merge results of new gate functions.
        * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
        (gate_handle_jump_bypass): Add dbg_cnt.
        (gate_handle_gcse): Add dbg_cnt.
        * ifcvt.c (gate_handle_if_conversion): Same.
        (gate_handle_if_after_combine): Same.
        (gate_handle_if_after_reload): Same.
        * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.

2008-02-26  Edmar Wienskoski  <edmar@freescale.com>

        * config/rs6000/rs6000.c (processor_costs): Update e300 cache
        line sizes.
        * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.

2008-02-26  Jason Merrill  <jason@redhat.com>

        PR c++/35315
        * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
        alone if it's the naming decl for the type's main variant.

2008-02-26  Tom Tromey  <tromey@redhat.com>

        * system.h (USE_MAPPED_LOCATION): Poison.
        * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
        * tree-cfg.c (make_cond_expr_edges): Remove old location code.
        (make_goto_expr_edges): Likewise.
        (remove_bb): Likewise.
        (execute_warn_function_return): Likewise.
        * basic-block.h (struct edge_def) <goto_locus>: Change type to
        location_t.
        * c-common.c (fname_decl): Remove old location code.
        * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
        location code.
        * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
        variant.
        (ASM_INPUT_SOURCE_LOCATION): Likewise.
        (gen_rtx_ASM_INPUT): Likewise.
        (gen_rtx_ASM_INPUT_loc): Likewise.
        (get_rtx_asm_OPERANDS): Remove.
        * cfglayout.c (insn_locators_alloc): Remove old location code.
        (set_curr_insn_source_location): Likewise.
        (curr_insn_locator): Likewise.
        * print-tree.c (print_node): Remove old location code.
        * tree-mudflap.c (mf_varname_tree): Remove old location code.
        (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
        * cfgexpand.c (expand_gimple_cond_expr): Don't use
        location_from_locus.
        (construct_exit_block): Remove old location code.
        * emit-rtl.c (force_next_line_note): Remove old location code.
        * profile.c (branch_prob): Remove old location code.
        * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
        LOC_LINE): Remove old-location variants.
        * langhooks.c (lhd_print_error_function): Remove old location
        code.
        * configure, config.in: Rebuilt.
        * configure.ac (--enable-mapped-location): Remove.
        * c-decl.c (c_init_decl_processing): Remove old location code.
        (finish_function): Likewise.
        * recog.c (decode_asm_operands): Remove old location code.
        * c-pch.c (c_common_read_pch): Remove old location code.
        * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
        variants.
        * gimple-low.c (lower_function_body): Remove old location code.
        * toplev.c (unknown_location): Remove.
        (push_srcloc): Remove old-location variant.
        (process_options): Remove old location code.
        (lang_dependent_init): Likewise.
        * input.h (UNKNOWN_LOCATION): Move definition.
        (location_t): Undeprecate.
        (source_locus): Remove.
        (location_from_locus): Remove.
        (struct location_s): Remove.
        Remove all old-location code.
        (input_line, input_filename): Remove.
        * final.c (final_scan_insn): Remove old location code.
        * diagnostic.c (diagnostic_build_prefix): Remove
        USE_MAPPED_LOCATION test.
        * tree.h (gimple_stmt) <locus>: Now a location_t.
        (tree_exp) <locus>: Likewise.
        (DECL_IS_BUILTIN): Remove old-location variant.
        (annotate_with_file_line, annotate_with_locus): Likewise.
        (expr_locus, set_expr_locus): Update.
        * tree.c (build1_stat): Remove old location code.
        (last_annotated_node): Remove.
        (annotate_with_file_line): Remove old-location variant.
        (annotate_with_locus): Likewise.
        (expr_location): Remove old location code.
        (set_expr_location): Likewise.
        (expr_has_location): Likewise.
        (expr_locus): Likewise.
        (set_expr_locus): Likewise.
        (expr_filename): Don't use location_from_locus.
        (expr_lineno): Likewise.
        * rtl-error.c (location_for_asm): Remove old location code.
        * c-lex.c (cb_line_change): Remove old location code.
        (fe_file_change): Likewise.
        (cb_def_pragma): Likewise.
        (c_lex_with_flags): Likewise.
        * gengtype.c (do_typedef): Don't special-case location types.
        (define_location_structures): Remove.
        (main): Don't call define_location_structures.
        * tree-pretty-print.c (dump_implicit_edges): Remove old location
        code.

2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 26264
        * builtins.def (BUILT_IN_STDARG_START): Remove.
        * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
        * tree-stdarg.c (execute_optimize_stdarg): Likewise.
        * tree-inline.c (inline_forbidden_p_1): Likewise.
        
2008-02-26  Richard Guenther  <rguenther@suse.de>

        * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
        * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
        (lookup_decl_from_uid): Declare.
        (remove_decl_from_map): Likewise.
        * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
        * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
        (decl_for_uid_map): New global hashtable mapping DECL_UID
        to the decl tree.
        (init_ttree): Allocate it.
        (insert_decl_to_uid_decl_map): New helper function.
        (make_node_stat): Insert new decls into the map.
        (copy_node_stat): Likewise.
        (lookup_decl_from_uid): New function.
        (remove_decl_from_map): Likewise.
        (print_decl_for_uid_map_statistics): New helper.
        (dump_tree_statistics): Call it.

        * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
        (referenced_var_iterator): Adjust.
        (FOR_EACH_REFERENCED_VAR): Adjust.
        (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
        (num_referenced_vars): Adjust.
        * tree-flow-inline.h (gimple_referenced_vars): Adjust.
        (first_referenced_var): Remove.
        (end_referenced_vars_p): Likewise.
        (next_referenced_var): Likewise.
        (referenced_var_iterator_set): New helper function.
        * tree-dfa.c (referenced_var_lookup): Adjust.
        (referenced_var_check_and_insert): Likewise.
        (remove_referenced_var): Likewise.
        * tree-ssa.c (verify_flow_insensitive_alias_info): Use
        FOR_EACH_REFERENCED_VAR_IN_BITMAP.
        (verify_call_clobbering): Likewise.
        (verify_memory_partitions): Likewise.
        (init_tree_ssa): Allocate bitmap instead of hashtable for
        referenced_vars.
        (delete_tree_ssa): Adjust.
        * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
        FOR_EACH_REFERENCED_VAR_IN_BITMAP.
        (compute_tag_properties): Likewise.
        (set_initial_properties): Likewise.
        (find_partition_for): Likewise.
        (update_reference_counts): Likewise.
        (dump_may_aliases_for): Likewise.
        * tree-ssa-operands.c (add_virtual_operand): Likewise.
        (add_call_clobber_ops): Likewise.
        (add_call_read_ops): Likewise.
        (get_asm_expr_operands): Likewise.
        * tree-into-ssa.c (dump_decl_set): Likewise.
        (update_ssa): Likewise.
        * tree-sra.c (scan_function): Likewise.
        (decide_instantiations): Likewise.
        (scalarize_parms): Likewise.
        * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
        (dsa_named_for): Likewise.
        * tree-ssa-structalias.c (update_alias_info): Likewise.
        (merge_smts_into): Likewise.

2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 34351
        * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
        * c-opts.c (c_common_handle_option): Wall enables
        Wvolatile-register-var.
        * common.opt: Move Wvolatile-register-var to...
        * c.opt: ...here.
        
2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * common.opt (Wlarger-than=): New.
        * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
        -Wlarger-than=.
        * opts.c (common_handle_option): Handle -Wlarger-than=.
        * optc-gen.awk: Likewise.
        * opth-gen.awk: Likewise.
        * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
        * tree-optimize.c (tree_rest_of_compilation): Likewise.
        
2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>

        * c-common.c (match_case_to_enum_1): Add appropriate
        OPT_W* parameter to warning.
        (c_do_switch_warnings): Likewise.
        * c-typeck.c (warning_init): Add one more parameter following
        'warning' function.
        (push_init_level): Update call to warning_init.
        (pop_init_level): Likewise.
        (add_pending_init): Likewise.
        (output_init_element: Likewise.

2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 28322
        * toplev.c (toplev_main): If there are warnings or error, print
        errors for ignored options.
        * opts.c (ignored_options): New static variable.
        (postpone_unknown_option_error): New.
        (print_ignored_options): New.
        (handle_option): Postpone errors for unknown -Wno-* options.
        * opts.h (print_ignored_options): Declare.
        
2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.md (loadgp_blockage, blockage): Change type
        to "ghost".

2008-02-25  Richard Guenther  <rguenther@suse.de>

        Revert:
        2008-02-25  Richard Guenther  <rguenther@suse.de>

        * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
        * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
        (lookup_decl_from_uid): Declare.
        * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
        * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
        (decl_for_uid_map): New global hashtable mapping DECL_UID
        to the decl tree.
        (init_ttree): Allocate it.
        (insert_decl_to_uid_decl_map): New helper function.
        (make_node_stat): Insert new decls into the map.
        (copy_node_stat): Likewise.
        (lookup_decl_from_uid): New function.
        (print_decl_for_uid_map_statistics): New helper.
        (dump_tree_statistics): Call it.

        * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
        (referenced_var_iterator): Adjust.
        (FOR_EACH_REFERENCED_VAR): Adjust.
        (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
        (num_referenced_vars): Adjust.
        * tree-flow-inline.h (gimple_referenced_vars): Adjust.
        (first_referenced_var): Remove.
        (end_referenced_vars_p): Likewise.
        (next_referenced_var): Likewise.
        (referenced_var_iterator_set): New helper function.
        * tree-dfa.c (referenced_var_lookup): Adjust.
        (referenced_var_check_and_insert): Likewise.
        (remove_referenced_var): Likewise.
        * tree-ssa.c (verify_flow_insensitive_alias_info): Use
        FOR_EACH_REFERENCED_VAR_IN_BITMAP.
        (verify_call_clobbering): Likewise.
        (verify_memory_partitions): Likewise.
        (init_tree_ssa): Allocate bitmap instead of hashtable for
        referenced_vars.
        (delete_tree_ssa): Adjust.
        * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
        FOR_EACH_REFERENCED_VAR_IN_BITMAP.
        (compute_tag_properties): Likewise.
        (set_initial_properties): Likewise.
        (find_partition_for): Likewise.
        (update_reference_counts): Likewise.
        (dump_may_aliases_for): Likewise.
        * tree-ssa-operands.c (add_virtual_operand): Likewise.
        (add_call_clobber_ops): Likewise.
        (add_call_read_ops): Likewise.
        (get_asm_expr_operands): Likewise.
        * tree-into-ssa.c (dump_decl_set): Likewise.
        (update_ssa): Likewise.
        * tree-sra.c (scan_function): Likewise.
        (decide_instantiations): Likewise.
        (scalarize_parms): Likewise.
        * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
        (dsa_named_for): Likewise.
        * tree-ssa-structalias.c (update_alias_info): Likewise.
        (merge_smts_into): Likewise.

2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>

        PR fortran/29549
        * doc/invoke.texi (-fcx-limited-range): Document new option.
        * toplev.c (process_options): Handle -fcx-fortran-rules.
        * common.opt: Add documentation for -fcx-fortran-rules.

2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>

        PR c/35162
        * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
        actual behaviour and C99.
        
2008-02-26  Ben Elliston  <bje@au.ibm.com>

        * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
        (ASM_CPU_POWER6_SPEC): Likewise.
        (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
        Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
        (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.

2008-02-25  Richard Guenther  <rguenther@suse.de>

        * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
        * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
        (lookup_decl_from_uid): Declare.
        * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
        * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
        (decl_for_uid_map): New global hashtable mapping DECL_UID
        to the decl tree.
        (init_ttree): Allocate it.
        (insert_decl_to_uid_decl_map): New helper function.
        (make_node_stat): Insert new decls into the map.
        (copy_node_stat): Likewise.
        (lookup_decl_from_uid): New function.
        (print_decl_for_uid_map_statistics): New helper.
        (dump_tree_statistics): Call it.

        * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
        (referenced_var_iterator): Adjust.
        (FOR_EACH_REFERENCED_VAR): Adjust.
        (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
        (num_referenced_vars): Adjust.
        * tree-flow-inline.h (gimple_referenced_vars): Adjust.
        (first_referenced_var): Remove.
        (end_referenced_vars_p): Likewise.
        (next_referenced_var): Likewise.
        (referenced_var_iterator_set): New helper function.
        * tree-dfa.c (referenced_var_lookup): Adjust.
        (referenced_var_check_and_insert): Likewise.
        (remove_referenced_var): Likewise.
        * tree-ssa.c (verify_flow_insensitive_alias_info): Use
        FOR_EACH_REFERENCED_VAR_IN_BITMAP.
        (verify_call_clobbering): Likewise.
        (verify_memory_partitions): Likewise.
        (init_tree_ssa): Allocate bitmap instead of hashtable for
        referenced_vars.
        (delete_tree_ssa): Adjust.
        * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
        FOR_EACH_REFERENCED_VAR_IN_BITMAP.
        (compute_tag_properties): Likewise.
        (set_initial_properties): Likewise.
        (find_partition_for): Likewise.
        (update_reference_counts): Likewise.
        (dump_may_aliases_for): Likewise.
        * tree-ssa-operands.c (add_virtual_operand): Likewise.
        (add_call_clobber_ops): Likewise.
        (add_call_read_ops): Likewise.
        (get_asm_expr_operands): Likewise.
        * tree-into-ssa.c (dump_decl_set): Likewise.
        (update_ssa): Likewise.
        * tree-sra.c (scan_function): Likewise.
        (decide_instantiations): Likewise.
        (scalarize_parms): Likewise.
        * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
        (dsa_named_for): Likewise.
        * tree-ssa-structalias.c (update_alias_info): Likewise.
        (merge_smts_into): Likewise.

2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>

        PR target/35258
        * cse.c (cse_insn): Avoid creation of overlapping MEMs.
        * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
        * alias.h (nonoverlapping_memrefs_p): Likewise.

2008-02-25  Jan Beulich  <jbeulich@novell.com>

        * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
        * config/i386/netware-libgcc.exp: Add __bswap?i2,
        __emultls_get_address, __emultls_register_common,
        __floatundi?f, and _Unwind_GetIPInfo.
        * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
        Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
        (gen_regparm_prefix): Likewise.
        (i386_nlm_encode_section_info): Sync with
        config/i386/winnt.c:i386_pe_encode_section_info().
        (i386_nlm_maybe_mangle_decl_assembler_name): New.
        i386_nlm_mangle_decl_assembler_name): New.
        (netware_override_options): New.
        * config/i386/netware.h (netware_override_options): Declare.
        (OVERRIDE_OPTIONS): Re-define to netware_override_options.
        (i386_nlm_mangle_decl_assembler_name): Declare.
        (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.

2008-02-25  Ben Elliston  <bje@au.ibm.com>

        PR other/32948
        * c-decl.c (grokdeclarator): Remove unused local variables
        `typedef_type' and `type_as_written'.
        * bb-reorder.c
        (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
        unused local variable `has_hot_blocks'.
        (fix_crossing_conditional_branches): Remove unused local variable
        `prev_bb'.
        
2008-02-25  Uros Bizjak  <ubizjak@gmail.com>

        PR middle-end/19984
        * builtins.def (BUILT_IN_NAN): Define as c99 builtin
        using DEF_C99_BUILTIN.
        (BUILT_IN_NANF): Ditto.
        (BUILT_IN_NANL): Ditto.

2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
            Revital Eres  <eres@il.ibm.com>

        * modulo-sched.c (calculate_must_precede_follow): Address TODO
        regarding the order of two dependent insns in the same row.

2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>

        * stor-layout.c (layout_decl): Do not bump the alignment of a
        bit-field to more than byte alignment if it is packed.

2008-02-24  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (processor_costs): Add cache costs for
        e300c2 and e300c3.

2008-02-24  Diego Novillo  <dnovillo@google.com>

        http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html

        PR 33738
        * tree-vrp.c (vrp_evaluate_conditional): With
        -Wtype-limits, emit a warning when comparing against a
        constant outside the natural range of OP0's type.
        * c.opt (Wtype-limits): Move ...
        * common.opt (Wtype-limits): ... here.

2008-02-24  Edmar Wienskoski  <edmar@freescale.com>

        * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
        * config/rs6000/e300c2c3.md: New file.
        * config/rs6000/rs6000.c (processor_costs): Add new costs for
        e300c2 and e300c3.
        (rs6000_override_options): Add e300c2 and e300c3 cases to
        processor_target_table. Do not allow usage of Altivec or Spe
        with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
        (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
        * config/rs6000/rs6000.h (processor_type): Add
        PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
        (ASM_CPU_SPEC): Add e300c2 and e300c3.
        * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
        and ppce300c3. Include e300c2c3.md.

2008-02-23  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
        instead of TARGET_STRICT_ALIGN.

2008-02-23  Joseph Myers  <joseph@codesourcery.com>

        * explow.c (memory_address): Assert that the generated address is
        valid.

2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

        PR target/25477
        * config/darwin-protos.h: Add darwin_patch_builtins prototype.
        * config/darwin-ppc-ldouble-patch.def: New file.
        * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
        * config/rs6000/rs6000.c (rs6000_init_builtins): Call
        SUBTARGET_INIT_BUILTINS if defined.
        * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
        New functions.

2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR rtl-opt/33512
        * simplify-rtx.c (simplify_binary_operation_1): Add simplification
        of (and X (ior (not X) Y) and (and (ior (not X) Y) X).

2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR pch/35027
        * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
        file" warning condtional on -Winvalid-PCH.

2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>

        * expmed.c (extract_bit_field): Always use adjust_address for MEM.

2008-02-23  Uros Bizjak  <ubizjak@gmail.com>

        PR target/22076
        PR target/34256 
        * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
        prevent reload from using MMX registers.
        (*mov<mode>_internal): Ditto.
        (*movv2sf_internal_rex64): Ditto.
        (*movv2sf_internal): Ditto.

2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR documentation/31569
        * doc/install.texi2html: Use makeinfo --no-number-sections.

2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>

        * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
        ensure that we can address an entire entity > 8 bytes.  Don't
        generate reg+reg addressing for such data.

2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>

        * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
        strings when optimizing for size, unless the target cares about
        alignment.

2008-02-22  Tom Tromey  <tromey@redhat.com>

        * regclass.c (current_pass): Remove declaration.

2008-02-22  Anatoly Sokolov <aesok@post.ru>

        * config/avr/libgcc.S (__RAMPZ__): Define.
        (__do_copy_data): Add for devices with 128KB code memory.

2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>

        * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
        Use spe_abi.
        * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.

2008-02-22  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
        GENNONACR_REGS.

2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR c/19999
        * c-typeck.c (build_binary_op): Warn about floating point
        comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.

2008-02-21  Janis Johnson  <janis187@us.ibm.com>

        PR target/34526
        * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
        (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
        add vrsave.
        (rs6000_override_options): Set altivec_abi as default, not override,
        for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
        TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
        is used; use new member spe_abi.
        (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
        spe_abi and altivec_abi.

2008-02-22  Tomas Bily  <tbily@suse.cz>

        * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.

2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR bootstrap/35273
        * config.build (build_file_translate): Set to `CMD //c' only if
        it works.
        * Makefile.in (build_file_translate): Improve comment.

2008-02-21  Jan Hubicka  <jh@suse.cz>

        * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
        PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
        PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.

2008-02-21  Michael Matz  <matz@suse.de>

        PR target/35264
        * config/i386/i386.c (ix86_expand_branch): Add missing breaks.

2008-02-21  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
        movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
        as insn constraint.
        * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
        from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
        SSE_VEC_FLOAT_MODE_P as insn constraint.
        (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
        (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
        sse4a_movntdf using MODEF mode iterator.
        (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
        sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
        (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
        (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
        (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
        (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
        (sse4_1_rounds<ssemodesuffixf2c>): Ditto.

2008-02-21  Richard Guenther  <rguenther@suse.de>

        * tree.def (PAREN_EXPR): New tree code.
        * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
        and PAREN_EXPR.
        * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
        * expr.c (expand_expr_real_1): Likewise.
        * tree-inline.c (estimate_num_insns_1): Likewise.
        * tree-complex.c (expand_complex_move): Likewise.
        * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
        as plain x.

2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/35225
        * config/sh/sh.c (find_barrier): Don't go past 'from' argument.

2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/35190
        * config/sh/sh.md (jump_compact): Disable for crossing jumps.

        * config/sh/sh.c (find_barrier): Don't go past
        NOTE_INSN_SWITCH_TEXT_SECTIONS note.

2008-02-20  DJ Delorie  <dj@redhat.com>

        * config/h8300/h8300.md (insv): Force source operand to be a register.

        * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
        as a jump, not as a plain insn.
        
2008-02-20  Seongbae Park <seongbae.park@gmail.com>

        * doc/invoke.texi (Warning Options): Add new option
        -Wframe-larger-than=.
        (-Wframe-larger-than): Document.

        * flags.h (warn_frame_larger_than, frame_larger_than_size):
        Add declarations for new option variables.

        * final.c (final_start_function): Check the frame size
        before emission and issue a Wframe-larger-than warning.

        * opts.c (warn_frame_larger_than, frame_larger_than_size):
        Add definitions for new option variables.
        (common_handle_option): Handle new option OPT_Wframe_larger_than_.

        * common.opt (Wframe-larger-than=): New option.

2008-02-20  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
        (<sse>_div<mode>3): Ditto.
        (<sse>_vmdiv<mode>3): Ditto.
        (<sse>_vmsqrt<mode>2): Ditto.
        (*smax<mode>3): Ditto.
        (sse5_frcz<mode>2): Ditto.
        (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
        as insn constraint.

2008-02-20  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35265
        * builtins.c (validate_arg): If we want an INTEGER_TYPE,
        be happy with INTEGRAL_TYPE_P.

2008-02-20  Richard Guenther  <rguenther@suse.de>

        * fold-const.c (split_tree): Associate floatig-point expressions
        if flag_associative_math is set.

2008-02-20  Richard Guenther  <rguenther@suse.de>

        * tree.h (fold_real_zero_addition_p): Declare.
        * fold-const.c (fold_real_zero_addition_p): Export.
        * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
        floating-point operations with zero and one.

2008-02-20  Paolo Bonzini  <bonzini@gnu.org>

        * doc/install.texi: Correct references to CFLAGS, replacing them
        with BOOT_CFLAGS.  Document flags used during bootstrap for
        target libraries.
                                
2008-02-20  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
        * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
        and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
        insn constraint.
        (smin<mode>3): Ditto from similar patterns.
        (smax<mode>3): Ditto.
        (*ieee_smin<mode>3): Ditto.
        (*ieee_smax<mode>3): Ditto.
        * config/i386/sse.md (sse): New mode attribute.
        (mov<mode>): Macroize expander from movv4sf and movv2df using
        SSEMODEF2P mode iterator.
        (<sse>_movnt<mode>): Ditto from similar patterns. Use
        SSE_VEC_FLOAT_MODE_P as insn constraint.
        (storent<mode>): Ditto.
        (storent<mode>): Macroize expander from storentsf and storentdf using
        MODEF mode iterator.
        (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
        mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
        (abs<mode>2): Ditto from similar patterns.
        (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
        (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
        (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
        (<sse>_vmsqrt<mode>2): Ditto.
        (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
        (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
        (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
        (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
        (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
        sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
        mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
        insn constraint.
        (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
        iterator and SSE_FLOAT_MODE_P as insn constraint.
        (<sse>_ucomi): Ditto from similar patterns.
        (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
        sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
        SSE_VEC_FLOAT_MODE_P as insn constraint.
        (vcond<mode>): Ditto from similar patterns.
        (and<mode>3, *and<mode>3): Ditto.
        (<sse>_nand<mode>3): Ditto.
        (ior<mode>3, *ior<mode>3): Ditto.
        (xor<mode>3, *xor<mode>3): Ditto.
        (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
        iterator and SSE_FLOAT_MODE_P as insn constraint.
        (*nand<mode>3): Ditto from similar patterns.
        (*ior<mode>3): Ditto.
        (*xor<mode>3): Ditto.

2008-02-20  Ira Rosen  <irar@il.ibm.com>

        * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
        vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
        vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.

2008-02-19  Jan Hubicka  <jh@suse.cz>

        * predict.c (tree_bb_level_predictions): Remove variable next
        mistakely introduced by previous commit.

2008-02-19  Jan Hubicka  <jh@suse.cz>

        * predict.c (predict_paths_leading_to): Rewrite.
        (predict_paths_for_bb): New.
        (tree_bb_level_predictions): Update call of predict_paths_leading_to.

2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR bootstrap/35218
        * Makefile.in (build_file_translate): New.
        (gcc-vers.texi): Use it for translating $(abs_srcdir).
        * config.build (build_file_translate): Set to `CMD //c' on MinGW.
        * configure.ac (build_file_translate): Substitute it.
        * configure: Regenerate.

2008-02-19  Jan Hubicka  <jh@suse.cz>

        PR rtl-optimization/34408
        * see.c (see_def_extension_not_merged): Copy subreg so we don't have
        invalid sharing.

2008-02-19  Jan Hubicka  <jh@suse.cz>

        PR middle-end/28779
        * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
        call_expr.

2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>

        PR Ada/35186
        * config/i386/i386-modes.def: Revert the last DI alignment
        change until Ada people can look into it.

2008-02-19  Nick Clifton  <nickc@redhat.com>

        * opts.c (print_specific_help): Fix typo in --help text.

2008-02-19  Jakub Jelinek  <jakub@redhat.com>

        PR target/35239
        * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
        32-bit inline asm without asm alternatives for host GCC < 3.0.

2008-02-19  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/34989
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
        Allow propagation to INDIRECT_REF if we can simplify only.

2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * c-common.c (warn_for_collisions_1): Use appropriate option when
        warning.

2008-02-19  Nick Clifton  <nickc@redhat.com>

        PR other/31349
        * opts.c (undocumented_msg): Leave blank unless checking is enabled.
        (handle_options): Fix indentation.
        (print_filtered_help): If no language-specific options were
        displayed tell the user how to list all the options supported by
        the language's front-end.
        (print_specific_help): Fix indentation and remove duplicate line.
        (common_handle_option): Handle the -v option.
        For --help enable the display of undocumented options if the -v
        switch has been included on the command line.
        For --help= check for overlaps in the arguments between the option
        classes and the language names and issue a warning when they
        cannot be disambiguated.
        * c.opt (v): Pass on to the common option handler.

2008-02-19  Revital Eres  <eres@il.ibm.com> 

        * modulo-sched.c (sms_schedule): Change dump message when
        create_ddg function fails.
        (try_scheduling_node_in_cycle): Rename row to cycle.
        (print_partial_schedule): Rename CYCLE to ROW.

2008-02-19  Christian Bruel  <christian.bruel@st.com>
            Zdenek Dvorak  <ook@ucw.cz>

        * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.

2008-02-19  Uros Bizjak  <ubizjak@gmail.com>

        PR target/33555
        * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
        (*x86_movdicc_0_m1_se): Ditto.

2008-02-19  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
        (CMPtype): Define as __gcc_CMPtype.
        * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
        (CMPtype): Define as __gcc_CMPtype.

2008-02-19  Hans-Peter Nilsson  <hp@axis.com>

        Support valgrind 3.3 for --enable-checking=valgrind.
        * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
        here.
        [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
        [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
        [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
        * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
        Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
        VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
        VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
        respectively.
        * ggc-zone.c: Similar.
        * ggc-page.c: Similar.

2008-02-19  Paul Brook  <paul@codesourcery.com>

        PR target/35071
        * config/arm/ieee754-df.S: Fix do_it typo.
        * config/arm/ieee754-sf.S: Fix do_it typo.

2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/35189
        * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
        (OPTION_MASK_ISA_3DNOW_SET): Likewise.
        (OPTION_MASK_ISA_SSE_SET): Likewise.
        (OPTION_MASK_ISA_SSE2_SET): Likewise.
        (OPTION_MASK_ISA_SSE3_SET): Likewise.
        (OPTION_MASK_ISA_SSSE3_SET): Likewise.
        (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
        (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
        (OPTION_MASK_ISA_SSE4_SET): Likewise.
        (OPTION_MASK_ISA_SSE4A_SET): Likewise.
        (OPTION_MASK_ISA_SSE5_SET): Likewise.
        (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
        (OPTION_MASK_ISA_MMX_UNSET): Updated.
        (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
        (OPTION_MASK_ISA_SSE_UNSET): Likewise.
        (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
        (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
        (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
        (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
        (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
        (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
        (OPTION_MASK_ISA_SSE4): Removed.
        (ix86_handle_option): Turn on bits in ix86_isa_flags and
        ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
        (override_options): Don't turn on implied SSE/MMX bits in
        ix86_isa_flags.

2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386-modes.def: Use 4 byte alignment on DI for
        32bit host.

2008-02-18  Joey Ye  <joey.ye@intel.com>

        PR middle-end/34921
        * tree-nested.c (insert_field_into_struct): Set type alignment
        to field alignment if the former is less than the latter.

2008-02-18  Jakub Jelinek  <jakub@redhat.com>

        * BASE-VER: Set to 4.4.0.

2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>

        * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
        * doc/cfg.texi: Likewise.
        * doc/extend.texi: Likewise.
        * doc/gty.texi: Likewise.
        * doc/invoke.texi: Likewise.
        * doc/loop.texi: Likewise.
        * doc/md.texi: Likewise.
        * doc/passes.texi: Likewise.
        * doc/rtl.texi: Likewise.
        * doc/sourcebuild.texi: Likewise.
        * doc/tm.texi: Likewise.
        * doc/tree-ssa.texi: Likewise.

2008-02-17  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35227
        * tree-complex.c (init_parameter_lattice_values): Handle parameters
        without default definition.

2008-02-17  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/35231
        * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
        if A | B != 1.

2008-02-17  Uros Bizjak  <ubizjak@gmail.com>

        Revert:

        2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
        * config/i386/sfp-machine.h (CMPtype): Define as typedef using
        libgcc_cmp_return mode.

2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR c/28368
        * doc/invoke.texi (-std): Clarify description of -std= and -ansi.

2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>

        * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
        multilibs.

2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/c-tree.texi: Use `@.' where appropriate.
        * doc/extend.texi: Likewise.
        * doc/install.texi: Likewise.
        * doc/invoke.texi: Likewise.
        * doc/loop.texi: Likewise.
        * doc/makefile.texi: Likewise.
        * doc/md.texi: Likewise.
        * doc/passes.texi: Likewise.
        * doc/standards.texi: Likewise.
        * doc/tm.texi: Likewise.

2008-02-15  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/35196
        * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
        in entry_bb.
        (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
        rather than in entry_bb.

2008-02-15  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sfp-machine.h (CMPtype): Define as typedef using
        libgcc_cmp_return mode.

2008-02-15  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/35130
        * tree-nested.c (convert_call_expr): Put FRAME.* vars into
        OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.

2008-02-15  Richard Guenther  <rguenther@suse.de>
            Zdenek Dvorak  <ook@ucw.cz>

        PR tree-optimization/35164
        * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
        * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
        * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
        Only propagate addresses which do not have abnormal SSA_NAMEs
        in their operands.

2008-02-15  Joseph Myers  <joseph@codesourcery.com>

        PR target/35088
        * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.

2008-02-15  Jan Hubicka  <jh@suse.cz>

        PR middle-end/35149
        * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.

2008-02-15  Uros Bizjak  <ubizjak@gmail.com>

        PR middle-end/34621
        * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
        when calculating alignment_pad.

2008-02-15  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
        (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
        * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
        and STACK_BOUNDARY define.

2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>

        PR preprocessor/35061
        * c-pragma.c (handle_pragma_pop_macro): Check that
        pushed_macro_table has been allocated.

2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/35136
        * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
        (force_gimple_operand): Likewise.
        * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
        for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
        Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
        (find_interesting_uses_address): Check addressability and alignment
        of the base expression only after substituting bases of IVs into it.

2008-02-14  Michael Matz  <matz@suse.de>

        PR target/34930
        * function.c (instantiate_virtual_regs_in_insn): Reload address
        before falling back to reloading the whole operand.

2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (s390_mainpool_start): Emit the pool
        before the first section switch note.

2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>

        * doc/bugreport.texi: Update copyright years.
        * doc/c-tree.texi: Likewise.
        * doc/cfg.texi: Likewise.
        * doc/cpp.texi: Likewise.
        * doc/cppinternals.texi: Likewise.
        * doc/fragments.texi: Likewise.
        * doc/frontends.texi: Likewise.
        * doc/gcc.texi: Likewise.
        * doc/gty.texi: Likewise.
        * doc/hostconfig.texi: Likewise.
        * doc/implement-c.texi: Likewise.
        * doc/libgcc.texi: Likewise.
        * doc/loop.texi: Likewise.
        * doc/makefile.texi: Likewise.
        * doc/options.texi: Likewise.
        * doc/passes.texi: Likewise.
        * doc/rtl.texi: Likewise.
        * doc/sourcebuild.texi: Likewise.
        * doc/standards.texi: Likewise.
        * doc/tree-ssa.texi: Likewise.
        * doc/trouble.texi: Likewise.

        * doc/extend.texi: Use @: or add comma where appropriate.
        * doc/invoke.texi: Likewise.
        * doc/tm.texi: Likewise.

2008-02-14  Alan Modra  <amodra@bigpond.net.au>

        PR target/34393
        * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
        to a reg.

2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>

        * doc/md.texi (clz, ctz): Add reference.
        * doc/rtl.texi (clz, ctz): Likewise.

2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR other/35148
        * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
        srcdir.

2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (struct constant_pool): New field
        emit_pool_after added.
        (s390_mainpool_start): Set the emit_pool_after flag according
        to the section switch notes.
        (s390_mainpool_finish): Consider emit_pool_after when emitting
        the literal pool at the end of the function.
        (s390_chunkify_start): Force literal pool splits at section
        switch notes.

2008-02-13  Michael Matz  <matz@suse.de>

        PR debug/35065
        * var-tracking.c (clobber_variable_part): Correctly traverse the
        list.

2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 29673
        * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
        Add -fdump-ipa-inline.
        * tree-dump.c (dump_files): Remove tree-inlined dump.
        * tree-pass.h (tree_dump_index): Remove TDI_inlined.
        
2008-02-12  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/35171
        * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
        default defs.

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

        PR middle-end/35163
        * fold-const.c (fold_widened_comparison): Use get_unwidened in
        value-preserving mode.  Disallow final truncation.

2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/35136
        * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
        code from here to...
        (force_gimple_operand): ...here.

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

        PR c++/35144
        * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
        non-compatible pointers.
        (generate_element_copy): If SRC and DST are RECORD_TYPEs with
        different FIELD_DECLs, try harder by comparing field offsets, sizes
        and types.

        PR inline-asm/35160
        * function.c (match_asm_constraints_1): Don't replace the same input
        multiple times.

2008-02-12  Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
        * config/avr/avr.c (expand_prologue): Save RAMPZ register.
        (expand_epilogue): Restore RAMPZ register.
        * config/avr/avr.md (RAMPZ_ADDR): New constant.

2008-02-11  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/cygwin.asm: (__alloca): Correct calling
        convention and alignment.
        (__chkstk): Force 8 byte stack alignment.

2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
            Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/33992
        * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
        the zero we compare against.

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

        PR libfortran/35063
        * gthr-win32.h (__gthread_mutex_destroy_function): New function
        to CloseHandle after unlocking to prevent accumulation of handle
        count.

2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle_end/34150
        * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
        pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
        and update LABEL_NUSES during and after reload.

2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>

        PR middle-end/34627
        * combine.c (simplify_if_then_else): Make sure the comparison is
        against const0_rtx when simplifying to (abs x) or (neg (abs X)).

2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>

        PR bootstrap/35051
        * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
        (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
        * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
        (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
        * tree.h (get_type_static_bounds): Likewise.

2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/invoke.texi (Option Summary, C++ Dialect Options)
        (Objective-C and Objective-C++ Dialect Options, Warning Options):
        Make -Wfoo language annotations match what the compiler outputs.

2008-02-08  Sa Liu  <saliu@de.ibm.com>

        * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
        intrinsics spu_convts, spu_convtu, spu_convtf.
        * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.

2008-02-08  Hans-Peter Nilsson  <hp@axis.com>

        * doc/extend.texi (Function Attributes) <noinline>: Mention
        asm ("") as method to keep calls.

2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR other/32754
        * doc/options.texi (Options): Replace references to opts.sh with
        optc-gen.awk.
        * opts-common.c: Likewise.
        * optc-gen.awk: Likewise.
        
2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.

2008-02-07  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/33410
        * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
        EXPR_LIST for the REG_EQUAL instead of a comparison with a 
        funny mode.

2008-02-07  Uros Bizjak  <ubizjak@gmail.com>

        PR tree-optimization/35085
        * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
        for operand entry oe2 in addition to operand entry oe3 in order to
        expose more opportunities for vectorizer sum reduction.

2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR other/35107
        * Makefile.in (LIBS): Remove $(GMPLIBS).
        (cc1-dummy, cc1): Add $(GMPLIBS).

2008-02-06  Jan Hubicka  <jh@suse.cz>

        PR target/23322
        * i386.md (moddf_integer): Do not produce partial memory stalls for
        targets where it hurts.

2008-02-06  Uros Bizjak  <ubizjak@gmail.com>

        PR target/35083
        * optabs.c (expand_float): Do not check for decimal modes when
        expanding unsigned integer through signed conversion.

2008-02-06  Nick Clifton  <nickc@redhat.com>

        * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
        inside the clobber with a match_operand and duplicated operand
        number in the constraint.
        (ineqbranchsi): Delete redundant comment.

2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>

        * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
        builtin_define ("__USE_INIT_FINI__").
        * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
        -msx multilibs.
        * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.

2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR documentation/30330
        * doc/invoke.texi (C++ Dialect Options)
        (Objective-C and Objective-C++ Dialect Options, Warning Options):
        For each warning option -Wfoo that allows -Wno-foo, ensure both
        -Wfoo and -Wno-foo are listed in the option index.  Fix index
        entry of -Wswitch-default, index -Wnormalized= including the
        `=', and -Wlarger-than-@var{len} including @var{len}.

2008-02-05  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (floatunssisf2): Use
        ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
        (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
        Macroize expander using MODEF mode iterator.

2008-02-05  Diego Novillo  <dnovillo@google.com>

        http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html

        PR 33738
        * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.

2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR other/35070
        * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.

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

        PR target/35084
        * config/i386/i386.c (ix86_function_sseregparm): Add an arg
        to indicate if a message should be generated.
        (init_cumulative_args): Updated.
        (function_value_32): Likewise.

2008-02-05  Joseph Myers  <joseph@codesourcery.com>

        * doc/include/texinfo.tex: Update to version 2008-02-04.16.

2008-02-05  Uros Bizjak  <ubizjak@gmail.com>

        PR target/35083
        * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
        Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.

2008-02-04  Diego Novillo  <dnovillo@google.com>

        http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html

        PR 33738
        * tree-vrp.c (vrp_evaluate_conditional): With
        -Wtype-limits, emit a warning when comparing against a
        constant outside the natural range of OP0's type.

2008-02-04  Richard Guenther  <rguenther@suse.de>

        PR middle-end/33631
        * expr.c (count_type_elements): Give for unions instead of
        guessing.

2008-02-04  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35043
        * gimplify.c (gimplify_init_ctor_eval): Convert array indices
        to TYPE_DOMAINs base type instead of using bitsizetype here.

2008-02-03  Jason Merrill  <jason@redhat.com>

        * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.

2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR other/29972
        * doc/invoke.texi (C++ Dialect Options, Optimize Options)
        (HPPA Options, i386 and x86-64 Options, IA-64 Options)
        (RS/6000 and PowerPC Options): Fix typos and markup.
        * doc/passes.texi (Tree-SSA passes): Likewise.

2008-02-02  Michael Matz  <matz@suse.de>

        PR target/35045
        * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
        from record_last_reg_set_info.
        (record_last_reg_set_info): Take an RTX argument, iterate over all
        constituent hardregs.
        (record_last_set_info, record_opr_changes): Change calls to
        new signature or to record_last_reg_set_info_regno.

2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/extend.texi (X86 Built-in Functions): Fix grammar.

2008-02-01  Hans-Peter Nilsson  <hp@axis.com>

        PR rtl-optimization/34773
        * reg-notes.def (EQUAL): Mention significance of combination of
        REG_EQUAL and REG_RETVAL.
        * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
        insn that has a REG_RETVAL.

2008-02-01  Roger Sayle  <roger@eyesopen.com>

        PR bootstrap/33781
        * configure.ac (--enable-fixed-point): Disable unless explicitly
        requested on IRIX.
        * configure: Regenerate.

2008-02-01  Richard Guenther  <rguenther@suse.de>

        PR other/35042
        * invoke.texi (-finline-limit): Remove no longer true parts
        of the documentation.  Note that there is no default value.

2008-02-01  Andrew Pinski  <pinskia@gmail.com>
            Mark Mitchell  <mark@codesourcery.com>
            Ben Elliston  <bje@au.ibm.com>

        PR c/29326
        * doc/extend.texi (Other Builtins): Document.

2008-01-31  Tom Browder <tom.browder@gmail.com>

        * doc/c-tree.texi (Types): Fix grammar.
        (Expression trees): Ditto.
        * doc/passes.texi (Tree-SSA passes): Ditto.
        
        * doc/configterms.texi (Configure Terms): Fix typo.
        * doc/cpp.texi (Common Predefined Macros): Ditto.
        * doc/md.texi (Machine Constraints): Ditto.
        
        * doc/makefile.texi (Makefile): Add comma.

2008-01-31  Tom Browder  <tom.browder@gmail.com>
            Gerald Pfeifer  <gerald@pfeifer.com>
        
        * doc/sourcebuild.texi (Front End): Remove references to CVS
        and CVSROOT/modules.
        (Texinfo Manuals): Replace reference to CVS by one to SVN.
        (Back End): Remove reference to CVS.

2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>

        PR target/34900
        * config/mips/mips.c (gen_load_const_gp): New function, taking a
        comment from...
        (mips16_gp_pseudo_reg): ...here.
        * config/mips/mips.md (load_const_gp): Replace with...
        (load_const_gp_<mode>): ...this :P-based insn.

2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
        options. Minor fixes.
        (-std): Move reference to standards closer to where language
        standards are first mentioned.
        
2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>

        PR rtl-optimization/34995
        * reload.c (alternative_allows_const_pool_ref): Take an rtx
        parameter and return a bool.  If the rtx parameter is nonnull,
        check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
        (find_reloads): Update call accordingly.  Pass the new operand
        if it needed no address reloads, otherwise pass null.

2008-01-30  Richard Henderson  <rth@redhat.com>

        PR c/34993
        * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
        for unbounded arrays.

2008-01-30  Silvius Rus  <rus@google.com>

        * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.

2008-01-30  Jan Hubicka  <jh@suse.cz>

        PR target/34982
        * i386.c (init_cumulative_args): Use real function declaration when
        calling locally.

2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>

        PR rtl-optimization/34998
        * global.c (build_insn_chain): Treat non-subreg_lowpart
        SUBREGs of pseudos as clobbering all the words covered by the
        SUBREG, not just all the bytes.
        * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
        original df_ref rather than an extract parameter.
        (global_conflicts): Update call accordingly.

2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
        the overflow check to make it easier to read.
        (__fixtfdi): Change the type of the ll member in union
        long_double to UDItype_x.

2008-01-30  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/34969
        * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
        * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
        * tree-inline.c (fold_marked_statements): Call
        cgraph_update_edges_for_call_stmt if folding a call statement.
        * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
        debug_generic_stmt calls, reset it back afterwards.

        PR c/35017
        * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
        static decls.
        * c-typeck.c (build_external_ref): Don't pedwarn about
        static vars in current function's scope.

2008-01-29  Joseph Myers  <joseph@codesourcery.com>

        * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.

2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>

        PR c/35002
        * ipa-struct-reorg.c: Fix spelling.
        * params.def: Ditto.

2008-01-29  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35006
        * tree-inline.h (struct copy_body_data): Add remapping_type_depth
        field.
        * tree-inline.c (remap_type): Increment remapping_type_depth
        around remapping types.
        (copy_body_r): Only add referenced variables if they are referenced
        from code, not types.

2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>

        PR c++/34055
        PR c++/34103
        PR c++/34219
        PR c++/34606
        PR c++/34753
        PR c++/34754
        PR c++/34755
        PR c++/34919
        PR c++/34961
        * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
        qualifiers for an ERROR_MARK_NODE or a NULL_TREE.

2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>

        PR target/34412
        * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
        pointer for tiny stack.

2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>

        * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.

2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>

        * config/vx-common.h: Fix typo in comment.

2008-01-28  Ian Lance Taylor  <iant@google.com>

        PR c++/34862
        PR c++/33407
        * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
        coalesce pointers if they have different DECL_NO_TBAA_P values.
        * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
        between variables with different DECL_NO_TBAA_P values.

2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>

        PR 31535
        * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
        are not legitimate small data references on SPE targets.

2008-01-28  David Daney  <ddaney@avtrex.com>

        * doc/install.texi (mips-*-*): Recommend binutils 2.18.

2008-01-28  David Daney  <ddaney@avtrex.com>

        * doc/install.texi (--disable-libgcj-bc):  Reword documentation.

2008-01-27  Joseph Myers  <joseph@codesourcery.com>

        * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
        m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
        *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
        *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
        hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
        i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
        i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
        vax-*-bsd*, vax-*-ultrix*): Mark obsolete.

2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>

        * basic-block.h (condjump_equiv_p): Fix comment.

2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>

        * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
        print_generic_stmt_indented): Fix comment.

2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>

        * configure.ac (__stack_chk_fail): Add detecion for availability
        of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
        * configure: Regenerate.

2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>

        PR middle-end/34688
        * final.c (output_addr_const): Handle TRUNCATE.

2008-01-26  Zdenek Dvorak  <ook@ucw.cz>

        PR target/34711
        * tree-ssa-loop-ivopts.c (comp_cost): New type.
        (zero_cost, infinite_cost): New constants.
        (struct cost_pair): Change type of cost to comp_cost.
        (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
        (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
        New functions.
        (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
        split_address_cost, ptr_difference_cost, difference_cost,
        get_computation_cost_at, get_computation_cost,
        determine_use_iv_cost_generic, determine_use_iv_cost_address,
        determine_use_iv_cost_condition, determine_use_iv_costs,
        cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
        iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
        iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
        Change type of cost to comp_cost.
        (determine_iv_cost): Increase cost of non-original ivs, instead
        of decreasing the cost of original ones.
        (get_address_cost): Indicate the complexity of the addressing mode 
        in comp_cost.
        (try_add_cand_for): Prefer using ivs not specific to some object.
        * tree-flow.h (force_expr_to_var_cost): Declaration removed.

2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
            Janis Johnson  <janis187@us.ibm.com>

        PR target/34814
        * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
        (TARGET_INSTANTIATE_DECLS): Likewise.
        * target.h (expand_to_rtl_hook): New target hook.
        (instantiate_decls): Likewise.
        * function.c (instantiate_decl): Make non-static.  Rename to...
        (instantiate_decl_rtl): ... this.
        (instantiate_expr): Use instantiate_decl_rtl.
        (instantiate_decls_1): Likewise.
        (instantiate_decls): Likewise.
        (instantiate_virtual_regs: Call new instantiate_decls taget hook.
        * function.h (instantiate_decl_rtl): Add prototype.
        * cfgexpand.c (target.h): New include.
        (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
        * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
        (TARGET_INSTANTIATE_DECLS): Likewise.
        (TARGET_INITIALIZER): New target hooks added.
        * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
        New prototype.
        * config/rs6000/rs6000.c (tree-flow.h): New include.
        (machine_function): Add sdmode_stack_slot field.
        (rs6000_alloc_sdmode_stack_slot): New function.
        (rs6000_instantiate_decls): Likewise.
        (rs6000_secondary_memory_needed_rtx): Likewise.
        (rs6000_check_sdmode): Likewise.
        (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
        (TARGET_INSTANTIATE_DECLS): Likewise.
        (rs6000_hard_regno_mode_ok): Allow SDmode.
        (num_insns_constant): Likewise.  Handle _Decimal32 constants.
        (rs6000_emit_move): Handle SDmode.
        (function_arg_advance): Likewise.
        (function_arg): Likewise.
        (rs6000_gimplify_va_arg): Likewise.  Add special handling of
        SDmode var args for 32-bit compiles.
        (rs6000_secondary_reload_class): Handle SDmode.
        (rs6000_output_function_epilogue): Likewise.
        (rs6000_function_value): Simplify if statement.
        (rs6000_libcall_value): Likewise.
        * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
        (SECONDARY_MEMORY_NEEDED_RTX): Add define.
        * config/rs6000/dfp.md (movsd): New define_expand and splitter.
        (movsd_hardfloat): New define_insn.
        (movsd_softfloat): Likewise.
        (movsd_store): Likewise.
        (movsd_load): Likewise.
        (extendsddd2): Likewise.
        (extendsdtd2): Likewise.
        (truncddsd2): Likewise.
        (movdd_hardfloat64): Fixup comment.
        (UNSPEC_MOVSD_LOAD): New constant.
        (UNSPEC_MOVSD_STORE): Likewise.

2008-01-26  Jakub Jelinek  <jakub@redhat.com>

        PR c++/34965
        * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
        TRUTH_XOR_EXPR.
        (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
        (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
        (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
        and TRUTH_XOR_EXPR.

2008-01-26  David Edelsohn  <edelsohn@gnu.org>

        PR target/34794
        * config.gcc: Separate AIX 5.3 from AIX 6.1.
        * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
        __LONGDOUBLE128 too.
        * config/rs6000/aix61.h: New file.

2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>

        PR rtl-optimization/34959
        * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
        popcount and parity rtxes the same mode as their operand.
        Truncate or extend the result to the return value's mode
        if necessary.

2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>

        PR target/34981
        * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
        * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
        to GOT_VERSION_REGNUM.
        (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
        (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
        * config/mips/mips.c (mips_emit_call_insn): New function.
        (mips_call_tls_get_addr): Call mips_expand_call directly.
        (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
        emit_call_insn.
        (mips16_build_call_stub): Likewise.  Return the call insn or null.
        (mips_expand_call): Update the call to mips16_build_call_stub
        accordingly and a remove redundant condition.  Assert that MIPS16
        stubs do not use lazy binding.  Use mips_emit_call_insn and return
        the call insn.
        (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
        TARGET_USE_GOT.
        (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
        (mips_avoid_hazard): Remove hazard_set handling.
        * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
        (UNSPEC_RESTORE_GP): ...this.
        (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
        (FAKE_CALL_REGNO): Rename to...
        (GOT_VERSION_REGNUM): ...this.
        (type): Add "ghost" value.  Add an associated insn reservation.
        (hazard_set): Remove.
        (exception_receiver): Rename to...
        (restore_gp): ...this and update the unspec identifier accordingly.
        (exception_receiver, nonlocal_got_receiver): New expanders.
        (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
        FAKE_CALL_REGNO.  Remove hazard_set attribute.
        (set_got_version, update_got_version): New patterns.

2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>

        PR target/34970
        * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.

2008-01-25  Joseph Myers  <joseph@codesourcery.com>

        PR other/31955
        * doc/install.texi2html: Generate gcc-vers.texi.

2008-01-25  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.

2008-01-25  Joseph Myers  <joseph@codesourcery.com>

        * config/c4x: Remove directory.
        * config.gcc (crx-*, mt-*): Mark obsolete.
        (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
        h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
        sh-*-rtemscoff*): Remove cases.
        * defaults.h (C4X_FLOAT_FORMAT): Remove.
        * real.c (encode_c4x_single, decode_c4x_single,
        encode_c4x_extended, decode_c4x_extended, c4x_single_format,
        c4x_extended_format): Remove.
        * real.h (c4x_single_format, c4x_extended_format): Remove.
        * doc/extend.texi (interrupt, naked): Remove mention of attributes
        on C4x.
        (Pragmas): Remove comment about c4x pragmas.
        * doc/install.texi (c4x): Remove target-specific instructions.
        * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
        * doc/md.texi (Machine Constraints): Remove C4x documentation.
        * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
        refer to C4x source files as examples.
        (C4X_FLOAT_FORMAT): Remove documentation.

2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (override_options): Reorder tests so that
        flag_pic gets enabled for -msep-data.

2008-01-25  Richard Guenther  <rguenther@suse.de>

        PR middle-end/32244
        * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
        to its bitfield precision if required.

2008-01-25  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/33880
        * tree-nested.c (walk_omp_for): New function.
        (convert_nonlocal_reference, convert_local_reference): Call
        walk_omp_for on OMP_FOR.
        (convert_call_expr): Call walk_body on OMP_FOR's
        OMP_FOR_PRE_INIT_BODY.

2008-01-25  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/34966
        * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
        default defs and PHI_NODEs we have to insert after the
        defining statement.

2008-01-24  Nick Clifton  <nickc@redhat.com>

        * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
        Provide a default definition.
        (LIBGCC2_UNITS_PER_WORD): Likewise.

        * config/stormy16/stormy16.c: Include df.h for the prototype
        for df_regs_ever_live_p.
        (xstormy16_expand_builtin_va_start): Convert the stack offset
        into a component_ref and then use POINTER_PLUS_EXPR to add it
        to the incoming_virtual_args_rtx.
        (xstormy16_gimplify_va_arg_expr): Rename to
        xstormy16_gimplify_va_arg_expr.
        Use POINTER_PLUS_EXPR when performing pointer arithmetic.
        (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
        xstormy16_gimplify_va_arg_expr.
        Fix up some formatting issues.

        * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
        Move to predicates.md.
        (xs_hi_general_operand): Likewise.
        (xs_hi_nonmemory_operand): Likewise.
        * config/stormy16/predicates.md:
        (xstormy16_carry_plus_operand): New predicate.
        (xs_hi_general_operand): New predicate.
        (xs_hi_nonmemory_operand): New predicate.
        * config/stormy16/stormy16-protos.h:
        (xstormy16_carry_plus_operand): Delete prototype.
        (xs_hi_general_operand): Likewise.
        (xs_hi_nonmemory_operand): Likewise.

        * config/storm16/stormy16.md (addhi3): Remove earlyclobber
        modifiers as they are no longer needed and they can trigger
        reload spill failures.

        * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
        with a match_operand in order to help reload.

        * config/storm16/stormy16.md (movhi_internal): Replace 'r'
        constraint with 'e' for the 8th alternative as this version of
        the mov.w instruction only accepts the lower 8 registers.

2008-01-25  Uros Bizjak  <ubizjak@gmail.com>

        PR target/34856
        * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
        Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
        vector elements.

2008-01-25  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/33333
        * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.

2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>

        * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
        New functions.
        (remove_structure): Update allocations list before removing structure.
        
2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>

        * ipa-struct-reorg.c (is_safe_cond_expr, 
        create_new_stmts_for_cond_expr): Use integer_zerop function,
        that recognize not only zero-pointer, but zero-integer too.

2008-01-25  Ben Elliston  <bje@au.ibm.com>

        PR other/22232
        * fixproto: Escape "." in sed expression that strips leading "./".

2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>

        PR driver/34904
        * gcc.c (SWITCH_OK): Removed.
        (SWITCH_LIVE): Changed to bit.
        (SWITCH_FALSE): Likewise.
        (SWITCH_IGNORE): Likewise.
        (switchstr): Change live_cond to unsigned int.
        (process_command): Replace SWITCH_OK with 0.
        (do_self_spec): Likewise.
        (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
        (give_switch): Likewise.
        (used_arg): Likewise.
        (do_spec_1): Set the SWITCH_IGNORE bit.
        (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
        bits.  Set the SWITCH_LIVE bit.

2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.h (MOVE_RATIO): Define new target macro.

2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>

        PR tree-optimization/34472
        * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
        parameter to a "bool *" and set *DATA to false if there is
        an unsafe access.  Do not delete the structure here.
        (check_cond_exprs): Delete it here instead.
        (check_cond_exprs, exclude_cold_structs): Do not increase
        I when removing a structure.

2008-01-24  Uros Bizjak  <ubizjak@gmail.com>

        PR target/34856
        * config/i386/i386.c (ix86_expand_vector_init): Consider only
        CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.

2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/34934
        * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
        a fixed vector for stack.

2008-01-24  Ben Elliston  <bje@au.ibm.com>

        PR c++/25701
        * doc/gcc.texi (Software development): Add a direntry for g++.
        
2008-01-23  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
        stale and straggling -fforce-addr comments above.

        * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
        define.
        * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
        * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.

2008-01-23  Michael Matz  <matz@suse.de>

        PR debug/34895
        * dwarf2out.c (force_type_die): Use modified_type_die instead of
        gen_type_die.

2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>

        * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
        malloc result type.

2008-01-23 Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.c (avr_current_arch): New variable.
        (avr_arch_types): Add 'avr31' and 'avr51' entries.
        (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
        (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
        (avr_override_options): Init 'avr_current_arch'. 
        (base_arch_s): Move from here...
        * config/avr/avr.h (base_arch_s): ... here. Add new members 
        'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
        'mega' to 'have_jmp_call'.
        (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
        "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
        macros.
        (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
        architectures.
        * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
        MULTILIB_MATCHES): (Ditto.).

2008-01-23  Richard Guenther  <rguenther@suse.de>

        PR middle-end/31529
        * cgraphunit.c (cgraph_reset_node): Always mark the node
        not reachable if it is not queued already.

2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
        * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
        (cputype_selected): New static variable.
        (bfin_handle_option): Set it if -mcpu is used.
        (override_option): Select default set of workarounds if no cpu type
        selected on the command line.
        (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.

        From  Michael Frysinger  <michael.frysinger@analog.com>
        * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
        BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.

        * config/bfin/elf.h (LIB_SPEC): Use proper linker script
        for bf547, bf523, bf524, and bf526.
        * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
        bf526.
        * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
        __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
        __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
        __ADSPBF547__ and __ADSPBF54x__ for bf547.
        * doc/invoke.texi (Blackfin Options): Document that
        -mcpu now accept bf547, bf523, bf524, and bf526.

2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/34628
        * combine.c (try_combine): Stop and undo after the first combination
        if an autoincrement side-effect on the first insn has effectively
        been lost.

2008-01-22  David Edelsohn  <edelsohn@gnu.org>

        PR target/34529
        * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
        Offset addresses are not valid for Altivec or paired float modes.

2008-01-22  Jakub Jelinek  <jakub@redhat.com>

        PR c++/34607
        * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
        if DECL_INITIAL (decl) is error_mark_node.

        PR c++/34914
        * c-common.c (handle_vector_size_attribute): Only allow
        integral, scalar float and fixed point types.  Handle OFFSET_TYPE
        the same way as pointer, array etc. types.
        * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.

        PR c++/34917
        * tree.c (build_type_attribute_qual_variant): Call
        build_qualified_type if attributes are equal, but quals are not.

2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR 32102
        * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
        * flags.h (warn_strict_aliasing): Remove.
        (warn_strict_overflow): Remove.
        * opts.c (warn_strict_aliasing): Remove.
        (warn_strict_overflow): Remove.
        * c-opts.c (c_common_handle_option): -Wall only sets
        -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
        (c_common_post_options): Give default values to -Wstrict-aliasing
        and -Wstrict-overflow if they are uninitialized.
        * common.opt (Wstrict-aliasing): Specify Var and Init.
        (Wstrict-overflow): Likewise.

2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>

        PR rtl-optimization/26854
        PR rtl-optimization/34400
        PR rtl-optimization/34884
        * ddg.c (create_ddg_dep_from_intra_loop_link): Use
        DF_RD->gen.
        * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
        (df_rd_bb_info.expanded_lr_out): Deleted
        * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
        * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
        (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
        df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
        Removed code to allocate, initialize or free expanded_lr_out.
        (df_rd_bb_local_compute_process_def): Restructured to make more
        understandable.
        (df_rd_confluence_n): Removed code to no apply invalidate_by_call
        sets if the sets are being trimmed.

2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>

        PR bootstrap/32287
        * configure.ac (ld_vers): Support GNU linker version xx.xx.*
        (as_vers): Likewise.
        * configure: Regenerated.

2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR middle-end/33092
        * tree-pass.h (pass_build_alias): New pass.
        * tree-ssa-alias.c (gate_build_alias): New.
        (pass_build_alias): New.
        * passes.c (init_optimization_passes): Add pass_build_alias after
        pass_create_structure_vars.

2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>

        * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
        Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
        (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
        S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
        (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
        S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
        (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
        S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
        (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
        (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
        (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
        (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
        * config/s390/s390.md (FP_ALL): New mode iterator.
        (_d): New mode attribute.
        ("*signbit<mode>2>"): Changed mode of first operand.
        ("isinf<mode>2"): Changed mode of first operand.
        ("*TDC_insn"): Adaptation for DFP modes.

2008-01-22  Ben Elliston  <bje@au.ibm.com>

        * tree.c (check_qualified_type): Improve function description.

2008-01-21  Jason Merrill  <jason@redhat.com>

        PR c++/34196
        * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
        * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
        if it is set.

2008-01-21  DJ Delorie  <dj@redhat.com>

        * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
        return zero.

2008-01-21  Richard Guenther  <rguenther@suse.de>

        PR middle-end/34856
        * tree-cfg.c (verify_expr): Allow all invariant expressions
        instead of just constant class ones as reference argument.
        * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
        like any other constant.
        * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.

2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>

        * regmove.c (fixup_match_1): Update call crossed frequencies.

2008-01-21  Richard Guenther  <rguenther@suse.de>

        PR c/34885
        * tree-inline.c (setup_one_parameter): Deal with mismatched
        types using a VIEW_CONVERT_EXPR.

2008-01-21  Alon Dayan  <alond@il.ibm.com>
            Olga Golovanevsky  <olga@il.ibm.com>
        
        PR tree-optimization/34701
        * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
        when the structure size is not a power of 2.

2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>

        * doc/install.texi: Add doc for --enable-checking=df.
        
2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR rtl-optimization/34808
        * emit-rtl.c (try_split): Handle REG_RETVAL notes.

2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>

        * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
        input.

2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>

        PR rtl-optimization/26854
        PR rtl-optimization/34400
        * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
        DF_RD->gen.
        * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
        (df_rd_bb_info.expanded_lr_out): New.
        * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
        * loop_iv.c (iv_analysis_loop_init): Ditto.
        * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
        df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
        Added code to allocate, initialize or free expanded_lr_out.
        (df_rd_bb_local_compute_process_def): Restructured to make
        more understandable.
        (df_rd_confluence_n): Add code to do nothing with fake edges and
        code to no apply invalidate_by_call sets if the sets are being trimmed.
        (df_lr_local_finalize): Renamed to df_lr_finalize.
        (df_live_local_finalize): Renamed to df_live_finalize.

2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>

        PR target/34831
        * config/mips/mips.md (div<mode>3): Use <recip_condition> when
        deciding whether to use reciprocal instructions.

2008-01-19  Uros Bizjak  <ubizjak@gmail.com>

        * dwarf2out.c (dwarf2out_switch_text_section): Do not call
        dwarf2out_note_section_used if cold_text_section is NULL.

2008-01-19  Jakub Jelinek  <jakub@redhat.com>

        PR gcov-profile/34610
        * tree-cfg.c (make_edges): Mark both outgoing edges from
        OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
        * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
        from OMP_FOR and OMP_CONTINUE outgoing edges.

        * tree-profile.c (tree_profiling): Return early if
        cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
        at the end.
        * omp-low.c (expand_omp_parallel): Copy after_tree_profile
        from cfun to child_cfun.
        * function.h (struct function): Add after_tree_profile bit.

2008-01-19 Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.S (_exit): Disable interrupt.

2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
            Steven Bosscher  <stevenb.gcc@gmail.com>

        PR rtl-optimization/26854
        PR rtl-optimization/34400
        * df-problems.c (df_live_scratch): New scratch bitmap.
        (df_live_alloc): Allocate df_live_scratch when doing df_live.
        (df_live_reset): Clear the proper bitmaps.
        (df_live_bb_local_compute): Only process the artificial defs once
        since the order is not important.
        (df_live_init): Init the df_live sets only with the variables
        found live by df_lr.
        (df_live_transfer_function): Use the df_lr sets to prune the
        df_live sets as they are being computed.  
        (df_live_free): Free df_live_scratch.

2008-01-18  Ian Lance Taylor  <iant@google.com>

        * common.opt: Add fmerge-debug-strings.
        * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
        flag_merge_debug_strings rather than flag_merge_constants.
        * doc/invoke.texi (Option Summary): Mention
        -fmerge-debug-strings.
        (Debugging Options): Document -fmerge-debug-strings.

2008-01-18  Ian Lance Taylor  <iant@google.com>

        PR c++/33407
        * tree.h (DECL_IS_OPERATOR_NEW): Define.
        (struct tree_function_decl): Add new field operator_new_flag.
        * tree-inline.c (expand_call_inline): When inlining a call to
        operator new, force the return value to go into a variable, and
        set DECL_NO_TBAA_P on that variable.
        * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.

2008-01-18  Uros Bizjak  <ubizjak@gmail.com>

        PR debug/34484
        * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
        DWARF2_DEBUGGING_INFO.
        (dwarf2out_note_section_used): Ditto.  Add prototype.
        (have_multiple_function_sections, text_section_used,
        cold_text_section_used, *cold_text_sections): Move declarations
        before their uses.

2008-01-17  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
        field and add signal_ra.
        * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
        assignments to frame state pc.  Move end of stack check after
        MD_FALLBACK_FRAME_STATE_FOR.
        (uw_update_context_1): Use frame state signal_regs if set, instead
        of checking signal_frame flag.
        (uw_update_context): Use frame state signal_ra if set.
        * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
        * config/xtensa/linux-unwind.h: New file.

2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>

        * modulo-sched.c (get_sched_window): Fix comment typo.

2008-01-17  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/34648
        * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.

2008-01-17  Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
        * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.

2008-01-17  Seongbae Park  <seongbae.park@gmail.com>

        PR rtl-optimization/34400
        * df-core.c (df_worklist_dataflow_overeager,
        df_worklist_dataflow_doublequeue): New functions.
        (df_worklist_dataflow): Two different worklist solvers.
        * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
        New param.

2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>

        PR testsuite/34821
        * doc/invoke.texi: Document the dependence on pthread for fopenmp
        and ftree-parallelize-loops.

2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>

        PR rtl-optimization/34826
        * loop-doloop (doloop_modify): Update the REG_BR_PROB note.

2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>

        * global.c (find_reg): Mark the eh regs as used if necessary.
        * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
        * ra.h (struct allocno): no_eh_reg field added.  Changed
        no_stack_reg type to bitfield.

2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.c (substitute_in_expr): Add missing 'break'.

2008-01-17  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/34825
        * tree-ssa-math-opts.c (is_division_by): Do not recognize
        x / x as division to handle.

2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
        "-pthread" is specified.
        * pa-hpux11.h (LIB_SPEC): Likewise.

2008-01-16  Janis Johnson  <janis187@us.ibm.com>
            Peter Bergner  <bergner@vnet.ibm.com>

        PR rtl-optimization/33796
        * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.

2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR libgfortran/34699
        * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
        static links.
        * pa-hpux10.h (LINK_SPEC): Likewise.
        * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.

2008-01-16  Richard Guenther  <rguenther@suse.de>

        PR middle-end/32628
        * fold-const.c (fold_convert_const_int_from_int): Do not
        set overflow if that occured only because of a sign extension
        change when converting from/to a sizetype with the same
        precision and signedness.

2008-01-16  Uros Bizjak  <ubizjak@gmail.com>

        PR debug/34249
        * dwarf2out.c (output_call_frame_info): Move output of FDE initial
        location address to the correct place.  Update copyright year.

2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>

        * lambda-code.c (lambda_transform_legal_p): Handle the case of
        no dependences in the dependence_relations vector.

2008-01-16  Jan Hubicka  <jh@suse.cz>

        PR rtl-optimization/31396
        * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
        * cfg.c (dump_reg_info): Print it.
        * regs.h (struct reg_info_t): add freq_calls_crossed.
        (REG_FREQ_CALLS_CROSSED): New macro.
        * global.c (global_alloc): Compute freq_calls_crossed for allocno.
        (find_reg): Update call of CALLER_SAVE_PROFITABLE.
        * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
        regmove_optimize): Update call crossed frequencies.
        * local-alloc.c (struct qty): Add freq_calls_crossed.
        (alloc_qty): Copute freq_calls_crossed.
        (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
        (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
        * ra.h (struct allocno): Add freq_calls_crossed.

2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>

        * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
        libgomp when compiling with ftree-parallelize-loops.
        (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.

2008-01-16  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/34769
        * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
        * tree.c (int_cst_value): Instead make this function more
        permissive in what it accepts as valid input.  Document this
        function always sign-extends the value.

2008-01-16  Jakub Jelinek  <jakub@redhat.com>
            Richard Guenther  <rguenther@suse.de>

        PR c/34668
        * gimplify.c (fold_indirect_ref_rhs): Rename to ...
        (gimple_fold_indirect_ref_rhs): ... this.
        (gimple_fold_indirect_ref): New function with foldings
        that preserve lvalueness.
        (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
        * tree-flow.h (gimple_fold_indirect_ref): Declare.
        * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
        to fold an INDIRECT_REF, fall back to the old use of
        fold_indirect_ref_1.

2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-data-ref.c (subscript_dependence_tester_1): Call 
        free_conflict_function.
        (compute_self_dependence): Same.

2008-01-16  Uros Bizjak  <ubizjak@gmail.com>

        PR debug/34249
        * debug.h (dwarf2out_switch_text_section): Move declaration from ...
        * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
        function global.
        * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
        Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
        for DWARF2_UNWIND_INFO targets.

2008-01-16  Richard Guenther  <rguenther@suse.de>

        PR c/34768
        * c-typeck.c (common_pointer_type): Do not merge inconsistent
        type qualifiers for function types.

2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

        * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
        loop_iterator li from previous commit.

2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.

2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
        (parallelize_loops): Don't parallelize irreducible components.

2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR c++/24924
        * c-opts (c_common_post_options): Do not enable CPP
        flag_pedantic_errors by default.
        
2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/31944
        * cse.c (remove_pseudo_from_table): New function.
        (merge_equiv_classes): Use above function to remove pseudo-registers.
        (invalidate): Likewise.

2008-01-13  Richard Guenther  <rguenther@suse.de>

        PR middle-end/34601
        * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
        instead of TYPE_MODE to deal with calls from expand_one_error_var.

2008-01-13  Uros Bizjak  <ubizjak@gmail.com>

        * gcse.c (cprop_jump): Call validate_unshare_change instead of
        validate_change to unshare the source of the PC set.

2008-01-12  Jan Hubicka  <jh@suse.cz>

        PR middle-end/32135
        * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
        references above array bounds.  This might trigger bounds checks for
        pointers to arrays.

2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
        new_replaceable_dependencies.

2008-01-12  Doug Kwan  <dougkwan@google.com>

        * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
        instead of OPT_Wreturn_type in warning due to ignored return type
        qualifiers.
        * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
        options included in -Wextra.
        * c.opt: New option -Wignored_qualifiers.
        * doc/invoke.texi (Warning Options, -Wextra): Add new option
        -Wignore_qualifiers.
        (-Wignored-qualifiers): Document.
        (-Wreturn-type): Remove description of functionality now handled
        by -Wignored-qualifiers.

2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>

        PR ada/33788
        * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
        NOP_EXPR if it is between integral types with the same precision.

2008-01-12  Jan Hubicka  <jh@suse.cz>

        PR other/28023
        * invoke.texi (max-inline-recursive-depth): Fix default value.

2008-01-12  Zdenek Dvorak  <ook@ucw.cz>

        * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
        correct type.

2008-01-11  Bob Wilson  <bob.wilson@acm.org>
        
        * config/xtensa/xtensa.c (override_options): Set flag_shlib.
        
2008-01-11  James E. Wilson  <wilson@specifix.com>

        PR target/26015
        * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.

2008-01-11  Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
        save/restore frame pointer register and don't use 'call-prologues' 
        optimization in function with "OS_task" attribute.

2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/31309
        * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
        when copying to memory.

2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>

        PR rtl-optimization/30905
        * cfgcleanup.c: Include dce.h
        (crossjumps_occured): New global variable.
        (try_crossjump_bb): Exit loop after finding a fallthru edge.
        If something changed, set crossjumps_occured to true.
        (try_optimize_cfg): Clear crossjumps_occured at the beginning.
        Don't add/remove fake edges to exit here...
        (cleanup_cfg): ...but do it here, when crossjumping.
        Run a fast DCE when successful crossjumps occured in the latest
        iteration of try_optimize_cfg.

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

        * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
        (struct vn_unary_op_s): Likewise.
        (vn_reference_insert): Free old reference on hash collision.

2008-01-10  Raksit Ashok  <raksit@google.com>

        PR rtl-optimization/27971
        * combine.c (find_split_point): Split PLUS expressions which are
        inside a MEM rtx, and whose first operand is complex.

2008-01-10  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
        (m32c_hard_regno_nregs): ...this, which is now a wrapper.
        (m32c_hard_regno_ok): Call the underlying function.

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

        PR middle-end/34683
        * tree-cfg.c (tree_merge_blocks): Do not go through the
        full-blown folding and stmt updating path if we just deal
        with virtual operands.
        * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
        test for abnormal SSA_NAMEs.

2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>

        PR middle-end/34641
        * reload.c (push_reload): Add assertions.  All constants from
        reg_equiv_constant should have been used for replacing the respective
        pseudo earlier.
        (find_reloads_address): Invoke find_reloads_address_part for
        constant taken from the reg_equiv_constant array.

2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>

        * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
        field (valnum) the first in the struct.  Replace bools with
        unit bit fields.

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

        PR tree-optimization/34651
        * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
        types and ordering for masking and converting.

2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/34017
        * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
        also for PHI_NODE expressions.

2008-01-09  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/34708
        * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
        based on number of case labels.
        (init_inline_once): Remove switch_cost.
        * tree-inline.h (eni_weights_d): Remove switch_cost.

2008-01-09  Richard Guenther  <rguenther@suse.de>
        Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR middle-end/30132
        * gimplify.c (gimplify_cond_expr): Do not create an addressable
        temporary if an rvalue is ok or an lvalue is not required.

2008-01-09  Richard Guenther  <rguenther@suse.de>

        PR middle-end/34458
        * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
        adjust return type.

2008-01-09  Richard Guenther  <rguenther@suse.de>

        PR middle-end/34679
        * tree.c (host_integerp): Check for sizetype only if the
        type is an integer type.

2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>

        PR debug/26364
        * opts.c (decode_options): Disable inlining of functions called
        once if not in unit-at-a-time mode.

2008-01-09  Alexandre Oliva  <aoliva@redhat.com>

        * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.

2008-01-08  Richard Guenther  <rguenther@suse.de>

        PR middle-end/31863
        * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
        out early if the result will be unused.

2008-01-08  Uros Bizjak  <ubizjak@gmail.com>

        PR target/34709
        Revert:

        2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
        * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
        for TARGET_RECIP.       
        
2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
        
        * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
        for vectorization tuned.
        
2008-01-08  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/34683
        * tree-ssa-operands.c (operand_build_cmp): Export.
        * tree-ssa-operands.h (operand_build_cmp): Declare.
        * tree-vn.c (vuses_compare): Remove.
        (sort_vuses): Use operand_build_cmp.
        (sort_vuses_heap): Likewise.
        * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
        to re-use old VEC if available.  Do not sort already sorted VUSEs.
        (vdefs_to_vec): Do not sort already sorted VDEFs.

2008-01-08  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/34694
        * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.

2008-01-08  Uros Bizjak  <ubizjak@gmail.com>

        PR target/34702
        * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
        limitations of reciprocal sequences on x86 targets.

2008-01-08  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/34683
        * tree-flow-inline.h (var_ann): Remove overzealous asserts.

2008-01-07  Jakub Jelinek  <jakub@redhat.com>

        PR target/34622
        * config/darwin.c (darwin_mergeable_string_section): Don't use
        .cstring if int_size_in_bytes != TREE_STRING_LENGTH.

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

        PR target/34682
        * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
        negxf2.  Macroize expander using X87MODEF mode iterator.  Change
        predicates of op0 and op1 to register_operand.
        (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
        expander using X87MODEF mode iterator.  Change predicates of
        op0 and op1 to register_operand.
        ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
        corresponding patterns and macroize using MODEF macro.  Change
        predicates of op0 and op1 to register_operand and remove
        "m" constraint. Disparage "r" alternative with "!".
        ("*absneg<mode>2_i387"): Rename from corresponding patterns and
        macroize using X87MODEF macro.  Change predicates of op0 and op1
        to register_operand and remove "m" constraint.  Disparage "r"
        alternative with "!".
        (absneg splitter with memory operands): Remove.
        ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
        patterns and macroize using X87MODEF mode iterator.
        * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
        Change predicate of op1 to register_operand.
        * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
        for memory operands.

2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>

        * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.

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

        * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
        fields.

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

        PR tree-optimization/34683
        * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
        VOPs of the needed size to save memory.  Use VEC_quick_push
        to save compile-time.
        (vdefs_to_vec): Likewise.

2008-01-07  Sa Liu  <saliu@de.ibm.com>

        * config/spu/spu.md (divdf3): Genetate inline code for double
        division.  The implementation doesn't handle INF or NAN, therefore it
        only applies when -ffinite-math-only is given.

2008-01-06  Paolo Carlini  <pcarlini@suse.de>

        PR libstdc++/34680
        * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
        * doc/cpp.texi ([Common Predefined Macros]): Document.

2008-01-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
        order to use commutative addition instead of subtraction.

2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
            Mircea Namolaru  <namolaru@il.ibm.com>
            Vladimir Yanovsky  <yanov@il.ibm.com>
            Revital Eres  <eres@il.ibm.com>

        PR tree-optimization/34263
        * tree-outof-ssa.c (process_single_block_loop_latch,
        contains_tree_r): New functions.
        (analyze_edges_for_bb): Call process_single_block_loop_latch
        function to empty single-basic-block latch block if possible.

2008-01-05  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
        for TARGET_RECIP.
        (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.

2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>

        * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.

2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.

2008-01-05  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/34618
        * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
        flag from T.

2008-01-05  Uros Bizjak  <ubizjak@gmail.com>

        PR target/34673
        * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
        in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
        Update copyright year.

        * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
        Update copyright year.
        * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
        using NR fixup.

2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>

        * tree-vrp.c (find_conditional_asserts): Remove redundant check that
        edge does not point to current bb before changing need_assert.

2008-01-04  Richard Guenther  <rguenther@suse.de>

        PR middle-end/34029
        * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
        for verifying purposes if they are is_gimple_min_invariant.

2008-01-04  Aldy Hernandez  <aldyh@redhat.com>

        PR tree-optimization/34448
        PR tree-optimization/34465
        * gimplify.c (gimplify_init_constructor): Add new parameter
        notify_temp_creation.  Use it.
        (gimplify_modify_expr_rhs): Take volatiles into account when
        optimizing constructors.
        Do not optimize constructors if gimplify_init_constructor will dump to
        memory.
        * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
        * gcc.c-torture/compile/pr34448.c: New.

2008-01-04  Jakub Jelinek  <jakub@redhat.com>

        PR gcov-profile/34609
        * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
        return_slot if result is TREE_ADDRESSABLE.

2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.md (sqrt_condition): Tweak comment.
        (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.

2008-01-03  Tom Tromey  <tromey@redhat.com>

        PR c/34457
        * c-common.c (c_type_hash): Handle VLAs.

2008-01-03  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/31081
        * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
        0 when inlining and not inlining to first basic block.
        (remap_decl): When var is initialized to 0, don't set default_def.
        (expand_call_inline): Set entry_bb.
        * tree-inline.h (copy_body_data): Add entry_bb.

2008-01-03  Jakub Jelinek  <jakub@redhat.com>

        PR c++/34619
        * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
        before returning.

        PR tree-optimization/29484
        * tree-inline.c (inline_forbidden_p_2): New function.
        (inline_forbidden_p): Disallow inlining if some static var
        has an address of a local LABEL_DECL in its initializer.
        * doc/extend.texi (Labels as Values): Document &&foo behaviour
        vs. inlining.

2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/34635
        * tree-data-ref.c (add_other_self_distances): Make sure that the
        evolution step is constant.

2008-01-03  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/34608
        * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.

2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>

        * tree-sra.c (scalarize_init): Insert the generate_element_init
        statements after the generate_element_zero statements.

2008-01-02  Richard Guenther  <rguenther@suse.de>

        PR middle-end/34093
        PR middle-end/31976
        * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
        for very large number of operands instead of ICEing.

2008-01-02  Arthur Norman <acn1@cam.ac.uk>

        PR target/34013
        * config/i386/i386.c (ix86_expand_prologue): Save red-zone
        while stack probing.

2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>

        * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
        in C++0x mode.

2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>

        PR libmudflap/26442
        * tree-mudflap.c (mx_register_decls): Guard warning by
        !DECL_ARTIFICIAL check.

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

        * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
        sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
        sse5_perm<mode>): Fix constraints.