PR target/42172
	* combine.c (combine_validate_cost): New arg I0.  All callers changed.
	Take its cost into account if nonnull.
	(insn_a_feeds_b): New static function.
	(combine_instructions): Look for four-insn combinations.
	(can_combine_p): New args PRED2, SUCC2.  All callers changed.  Take
	them into account when computing all_adjacent and looking for other
	uses.
	(combinable_i3pat): New args I0DEST, I0_NOT_IN_SRC.  All callers
	changed.  Treat them like I1DEST and I1_NOT_IN_SRC.
	(try_combine): New arg I0.  Handle four-insn combinations.
	(distribute_notes): New arg ELIM_I0.  All callers changed.  Treat it
	like ELIM_I1.

From-SVN: r163383

	* call.c (reference_related_p): Check for error_mark_node.
	(add_function_candidate): Check it instead of
	same_type_ignoring_top_level_qualifiers_p.

From-SVN: r163382

re PR c++/45315 (ICE: tree check: expected aggr_init_expr, have call_expr in build_value_init, at cp/init.c:317)

	PR c++/45315
	* init.c (build_new_1): Don't use build_value_init in a template.
	(build_value_init): Make sure we don't.

From-SVN: r163381

re PR middle-end/45307 (Stores expanding to no RTL not removed by tree optimizers, Empty ctors/dtors not eliminated)

	PR c++/45307
	* gimplify.c (gimplify_init_constructor): Just return GS_UNHANDLED
	if ctor is empty.
	(gimplify_modify_expr_rhs): Adjust.

From-SVN: r163380

	* except.c (pending_noexcept, pending_noexcept_checks): New.
	(perform_deferred_noexcept_checks): New.
	(maybe_noexcept_warning): Split from...
	(finish_noexcept_expr): ...here.  Adjust.
	* decl2.c (cp_write_global_declarations): Call
	perform_deferred_noexcept_checks.
	* cp-tree.h: And declare it.

From-SVN: r163379

	* cfgloop.c (get_loop_body_in_bfs_order): Avoid redundant call to
	bitmap_bit_p.
	* config/bfin/bifn.c (bfin_discover_loop): Likewise.
	* dominance.c (iterate_fix_dominators): Likewise.
	* dse.c (set_usage_bits): Likewise.
	(set_position_unneeded, record_store): Likewise.
	* gimple-fold.c (get_maxval_strlen): Likewise.
	* haifa-sched.c (fix_inter_tick, fix_recovery_deps): Likewise.
	* ipa-inline.c (update_caller_keys): Likewise.
	* ipa-split.c (verify_non_ssa_vars): Likewise.
	* ipa-type-escape.c (mark_type, close_type_seen): Likewise.
	(close_type_exposed_parameter, close_type_full_escape): Likewise.
	(close_addressof_down): Likewise.
	* ira-color.c (assign_hard_reg, push_allocno_to_stack): Likewise.
	(setup_allocno_left_conflicts_size): Likewise.
	(ira_reassign_conflict_allocnos): Likewise.
	(ira_reassign_pseudos): Likewise.
	* ira-emit.c (change_loop): Likewise.
	* loop-invariant.c (mark_regno_live, mark_regno_death): Likewise.
	* lto-streamer-out.c (write_symbol): Likewise.
	* predict.c (expr_expected_value_1): Likewise.
	* regstat.c (regstat_bb_compute_ri): Likewise.
	* sel-sched.c (create_block_for_bookkeeping): Likewise.
	(track_scheduled_insns_and_blocks, sel_sched_region_1): Likewise.
	* stmt.c (expand_case): Likewise.
	* tree-eh.c (emit_eh_dispatch): Likewise.
	* tree-into-ssa.c (prune_unused_phi_nodes): Likewise.
	* tree-loop-distribution.c (make_nodes_having_upstream_mem_writes):
	Likewise.
	(rdg_flag_vertex, rdg_flag_loop_exits): Likewise.
	(rdg_build_components): Likewise.
	* tree-object-size.c (collect_object_sizes_for): Likewise.
	* tree-sra.c (convert_callers): Likewise.
	* tree-ssa-coalesce.c (live_track_add_partition): Likewise.
	* tree-ssa-live.c (mark_all_vars_used_1): Likewise.
	* tree-ssa-pre.c (bitmap_set_replace_value): Likewise.

From-SVN: r163378

2010-08-19  Daniel Kraft  <d@domob.eu>

	PR fortran/29785
	PR fortran/45016
	* trans.h (struct gfc_se): New flag `byref_noassign'.
	* trans-array.h (gfc_conv_shift_descriptor_lbound): New method.
	(gfc_conv_array_extent_dim), (gfc_conv_descriptor_size): New methods.
	* expr.c (gfc_check_pointer_assign): Allow bounds and rank remapping
	and check for compile-time errors with those.
	* trans-decl.c (trans_associate_var): Use new routine
	`gfc_conv_shift_descriptor_lbound' instead of doing it manually.
	* trans-array.c (gfc_conv_shift_descriptor_lbound): New method.
	(gfc_conv_array_extent_dim), (gfc_conv_descriptor_size): New methods.
	(gfc_array_init_size): Use new `gfc_conv_array_extent_dim'.
	(gfc_conv_expr_descriptor): Handle new flag `byref_noassign'.
	* trans-expr.c (gfc_trans_pointer_assignment): Handle bounds and
	rank remapping for assignment.

2010-08-19  Daniel Kraft  <d@domob.eu>

	PR fortran/29785
	PR fortran/45016
	* gfortran.dg/pointer_assign_5.f90: Remove 'not implemented' error.
	* gfortran.dg/pointer_remapping_1.f90: New test.
	* gfortran.dg/pointer_remapping_2.f03: New test.
	* gfortran.dg/pointer_remapping_3.f08: New test.
	* gfortran.dg/pointer_remapping_4.f03: New test.
	* gfortran.dg/pointer_remapping_5.f08: New test.
	* gfortran.dg/pointer_remapping_6.f08: New test.

From-SVN: r163377

2010-08-19  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*lea_1): Use P mode iterator.
	(lea add splitter): Also handle DImode operands.
	(DImode lea add splitter): Use x86_64_immediate_operand for operand 2
	predicate.  Do not use ix86_lea_for_add_ok.
	(zext DImode lea add splitter): Use ix86_lea_for_add_ok.
	(lea ashift splitter): Also handle DImode operands.
	(DImode lea ashift splitter): Remove splitter.

2010-08-19  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*add<SWI:mode>3_cconly_overflow): Do not use
	ix86_binary_operator_ok.

From-SVN: r163375

2010-08-19  Uros Bizjak  <ubizjak@gmail.com>

	PR testsuite/45324
	* gcc.target/i386/volatile-bitfields-1.c: Also scan movb.

From-SVN: r163372

2010-08-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* gcc.dg/vect/vect-1.c (foo): Fix last commit.

From-SVN: r163370

re PR rtl-optimization/44691 (ICE: RTL check: expected code 'reg', have 'plus' in rhs_regno, at rtl.h:1050)

	PR rtl-optimization/44691
	* sel-sched.c (count_occurrences_1): Also punt when SUBREG_REG
	is not a register.

From-SVN: r163369

2010-08-19  Tejas Belagod  <tejas.belagod@arm.com>

	* gcc.dg/vect/vect-1.c (foo): Change inner loop index
	variable.

From-SVN: r163368

2010-08-19  Ian Bolton  <ian.bolton@arm.com>

	PR target/45070
	* gcc.c-torture/execute/pr45070.c: New.
	* config/arm/arm.c (arm_output_epilogue): Ensure that return
	 value of size 1-3 is handled correctly.

From-SVN: r163367

	* tree-switch-conversion.c (gen_inbound_check): Ensure that the
	type for the conditional has wide enough range.

	* testsuite/g++.dg/pr44328.C: New test.

From-SVN: r163366

2010-08-19  Tobias Burnus  <burnus@net-b.de>

        * intrinsic.texi (Bessel_jn, Bessel_yn): Fix typo.
        * * simplify.c (gfc_simplify_bessel_yn): Change recursive
        into recurrence.

From-SVN: r163365

2010-08-19  Tobias Burnus  <burnus@net-b.de>

        PR fortran/36158
        PR fortran/33197
        * check.c (gfc_check_bessel_n2): New function.
        * gfortran.h (gfc_isym_id): Add GFC_ISYM_JN2 and GFC_ISYM_YN2.
        * intrinsic.c (add_functions): Add transformational version
        of the Bessel_jn/yn intrinsics.
        * intrinsic.h (gfc_check_bessel_n2,gfc_simplify_bessel_jn2,
        gfc_simplify_bessel_yn2): New prototypes.
        * intrinsic.texi (Bessel_jn, Bessel_yn): Document
        transformational variant.
        * simplify.c (gfc_simplify_bessel_jn, gfc_simplify_bessel_yn):
        Check for negative order.
        (gfc_simplify_bessel_n2,gfc_simplify_bessel_jn2,
        gfc_simplify_bessel_yn2): New functions.

2010-08-19  Tobias Burnus  <burnus@net-b.de>

        PR fortran/36158
        PR fortran/33197
        * gfortran.dg/bessel_3.f90: New.
        * gfortran.dg/bessel_4.f90: New.
        * gfortran.dg/bessel_5.f90: New.

From-SVN: r163364

2010-08-19  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/41859
	* resolve.c (resolve_transfer): Traverse operands and set expression
	to be checked to a non EXPR_OP type.

From-SVN: r163363

From-SVN: r163362

re PR target/45327 (ICE: SIGSEGV in rtx_equal_p (rtl.c:496) with -O1 -funroll-loops -fnon-call-exceptions)

	PR target/45327
	* config/i386/i386.md (<any_or:code><SWI:mode>_3): Do not use
	ix86_binary_operator_ok.

From-SVN: r163357

2010-08-19  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/45290
	* gfortran.h (gfc_add_save): Modified prototype.
	* decl.c (add_init_expr_to_sym): Defer checking of proc pointer init.
	(match_pointer_init): New function to match F08 pointer initialization.
	(variable_decl,match_procedure_decl,match_ppc_decl): Use
	'match_pointer_init'.
	(match_attr_spec): Module variables are implicitly SAVE.
	(gfc_match_save): Modified call to 'gfc_add_save'.
	* expr.c (gfc_check_assign_symbol): Extra checks for pointer
	initialization.
	* primary.c (gfc_variable_attr): Handle SAVE attribute.
	* resolve.c (resolve_structure_cons): Add new argument and do pointer
	initialization checks.
	(gfc_resolve_expr): Modified call to 'resolve_structure_cons'.
	(resolve_values): Call 'resolve_structure_cons' directly with init arg.
	(resolve_fl_variable): Handle SAVE_IMPLICIT.
	* symbol.c (gfc_add_save,gfc_copy_attr,save_symbol): Handle
	SAVE_IMPLICIT.
	* trans-decl.c (gfc_create_module_variable): Module variables with
	TARGET can already exist.
	* trans-expr.c (gfc_conv_variable): Check for 'current_function_decl'.
	(gfc_conv_initializer): Implement non-NULL pointer
	initialization.


2010-08-19  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/45290
	* gfortran.dg/proc_ptr_comp_3.f90: Modified.
	* gfortran.dg/pointer_init_2.f90: New.
	* gfortran.dg/pointer_init_3.f90: New.
	* gfortran.dg/pointer_init_4.f90: New.

From-SVN: r163356

From-SVN: r163352

	* config/i386/i386.md (*add<mode>_1) <TYPE_LEA>: Split insn to lea.
	<default>:  Swap operands 1 and 2 for alternative 2 to use existing
	code to output insn mnemonic.  Fix comment.
	(*addsi_1_zext): Add r-r-0 alternative 1.
	<TYPE_LEA>: Split insn to lea.
	<default>: Handle alternative 1.
	(*addhi_1_lea): Add r-r-0 alternative 2.  Use cond RTX instead of
	multi-level if_then_else RTX to set "type" attribute.
	<default>: Handle alternative 2.
	(*addqi_1_lea): Add q-q-0 alternative 2 and r-r-0 alternative 4.
	Use cond RTX instead of multi-level if_then_else RTX to set
	"type" attribute.
	<default>: Handle alternatives 2 and 4.
	(lea splitters): Update calls to ix86_lea_for_add_ok.

	* config/i386/i386.c (ix86_lea_for_add_ok): Remove unused "code"
	argument.
	* config/i386/i386-protos.h (ix86_lea_for_add_ok): Update prototype.

From-SVN: r163351

2010-08-18  Tobias Burnus  <burnus@net-b.de>

        PR fortran/45295
        * intrinsic.texi (selected_char_kind): Document ISO_10646
        support.

From-SVN: r163347

re PR c++/45049 (ICE: tree check: expected tree that contains 'decl minimal' structure, have 'tree_list' in push_overloaded_decl, at cp/name-lookup.c:2160)

gcc/cp/
	PR c++/45049
	* name-lookup.c (push_overloaded_decl): Change DECL_CHAIN to
	TREE_CHAIN.

gcc/testsuite/
	PR c++/45049
	* g++.dg/pr45049-1.C: New test.
	* g++.dg/pr45049-2.C: New test.

From-SVN: r163344

2010-08-18  Kostya Serebryany <kcc@google.com>
	    Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/45276
	* doc/xml/manual/debug.xml ([debug.races]): Add.

Co-Authored-By: Paolo Carlini <paolo.carlini@oracle.com>

From-SVN: r163342

	* gcc.dg/builtin-apply2.c (STACK_ARGUMENTS_SIZE): Define to
	20 if __ARM_PCS is defined otherwise 64.
	(bar): Use STACK_ARGUMENTS_SIZE for the third argument
	instead of hard coded 64.

From-SVN: r163341

2010-08-18  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-uninit.c (find_uninit_use): Disregard debug stmts,
	use operand helpers.

From-SVN: r163340

2010-08-18  Paolo Bonzini  <bonzini@gnu.org>

	PR middle-end/45292
	* optabs.c (expand_bool_compare_and_swap): Expand pending
	pops before trying the optab.

From-SVN: r163339

gcc/
        PR target/45094
        * config/arm/arm.c (output_move_double): Fix typo generating 
        instructions ('ldr'->'str').

gcc/testsuite/

        PR target/45094
        * gcc.target/arm/pr45094.c: New test.

From-SVN: r163338

From-SVN: r163335

	gcc/
	PR rtl-optimization/42575
	* optabs.c (expand_doubleword_mult): Generate new pseudos to shorten
	live ranges.

	gcc/testsuite/
	PR rtl-optimization/42575
	* gcc.target/pr42575.c: New test.

From-SVN: r163334

	* lib/target-supports.exp (check_effective_target_tls_emulated): New.
	* gcc.dg/tls/thr-cse-1.c: New.

From-SVN: r163330

2010-08-18  Jack Howarth <howarth@bromo.med.uc.edu>

	    * libjava/configure.ac (THREADLIBS): Don't set on Darwin.
	    (THREADSPEC): Likwise.
	    * libjava/configure: Regenerate.
	    * libjava/Makefile.am: Define LIBJAVA_LDFLAGS_LIBMATH as
	    -lm only if USING_DARWIN_CRT undefined.
	    (libgcj_tools_la_LIBADD): Replace '-lm' with $(LIBJAVA_LDFLAGS_LIBMATH).
	    * libjava/Makefile.in: Regenerate.

From-SVN: r163329

2010-08-18  Marcus Shawcroft  <marcus.shawcroft@arm.com>

	* config/arm/arm-protos.h (arm_expand_sync): New.
	(arm_output_memory_barrier, arm_output_sync_insn): New.
	(arm_sync_loop_insns): New.
	* config/arm/arm.c (FL_ARCH7): New.
	(FL_FOR_ARCH7): Include FL_ARCH7.
	(arm_arch7): New.
	(arm_print_operand): Support %C markup.
	(arm_legitimize_sync_memory): New.
	(arm_emit, arm_insn_count, arm_count, arm_output_asm_insn): New.
	(arm_process_output_memory_barrier, arm_output_memory_barrier): New.
	(arm_ldrex_suffix, arm_output_ldrex, arm_output_strex): New.
	(arm_output_op2, arm_output_op3, arm_output_sync_loop): New.
	(arm_get_sync_operand, FETCH_SYNC_OPERAND): New.
	(arm_process_output_sync_insn, arm_output_sync_insn): New.
	(arm_sync_loop_insns,arm_call_generator, arm_expand_sync): New.
	* config/arm/arm.h (struct arm_sync_generator): New.
	(TARGET_HAVE_DMB, TARGET_HAVE_DMB_MCR): New.
	(TARGET_HAVE_MEMORY_BARRIER): New.
	(TARGET_HAVE_LDREX, TARGET_HAVE_LDREXBHD): New.
	* config/arm/arm.md: Include sync.md.
	(UNSPEC_MEMORY_BARRIER): New.
	(VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK): New.
	(VUNSPEC_SYNC_OP):New.
	(VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): New.
	(sync_result, sync_memory, sync_required_value): New attributes.
	(sync_new_value, sync_t1, sync_t2): Likewise.
	(sync_release_barrier, sync_op): Likewise.
	(length): Add logic to length attribute defintion to call
	arm_sync_loop_insns when appropriate.
	* config/arm/sync.md: New file.

From-SVN: r163327

	PR debug/42487
	* lib/target-supports.exp
	(check_effective_target_function_sections): New.
	* gcc.dg/debug/dwarf2/aranges-fnsec-1.c: Check that the target supports
	function sections before proceding.

From-SVN: r163326

From-SVN: r163323

	* tree.h (host_integerp): Add ATTRIBUTE_PURE when not
	ENABLE_TREE_CHECKING.
	(tree_low_cst): Add inline version for !ENABLE_TREE_CHECKING
	and GCC >= 4.3.

From-SVN: r163313

	PR fortran/45308
	* intrinsics/date_and_time.c (date_and_time): Pass __{zone,time,date}_len
	instead of {ZONE,TIME,DATE}_LEN as second argument to fstrcpy.  Drop
	asserts.  Adjust comment to the F2003 wording from the F95 wording.

	* gfortran.dg/pr45308.f03: New test.

From-SVN: r163312

	PR fortran/45304
	* trans-decl.c (build_library_function_decl_1): Chain on
	void_list_node instead of creating a new TREE_LIST.
	* trans-intrinsic.c (gfc_get_intrinsic_lib_fndecl): Likewise.
	* trans-types.c (gfc_get_function_type): Likewise.  Set
	typelist to void_list_node for the main program.

From-SVN: r163311

2010-08-17  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_lea_for_add_ok): For !TARGET_OPT_AGU
	or optimizing for size, always avoid lea if possible.

	* config/i386/i386.md (*add<mode>_1): Always avoid lea if
	possible.

From-SVN: r163310