2011-05-30  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/std/type_traits (__or_, __and_): Add trivial definitions
	for a single element.
	* include/bits/stl_pair.h: Use __and_ in noexcept specs and
	constraints.
	(pair<>::pair(pair&&)): Define.
	(pair<>::pair(const pair<>&)): Constrain with is_convertible.
	(pair<>::pair(pair<>&&)): Likewise, remove noexcept.
	* include/std/tuple: Use __and_ in noexcept specs and constraints.
	(_Tuple_impl<>::_Tuple_impl(allocator_arg_t, const _Alloc&,
	_Tuple_impl&&)): Remove noexcept.
	(tuple<>::tuple(_UElements&&...), tuple(const tuple<_UElements...>&),
	tuple(tuple<_UElements...>&&), tuple(const pair<_U1, _U2>&),
	tuple(pair<_U1, _U2>&&)): Constrain with is_convertible.
	* testsuite/20_util/tuple/moveable2.cc: Use = delete.
	* testsuite/20_util/make_signed/requirements/typedefs_neg.cc:
	Adjust dg-error line numbers.
	* testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
	Likewise.
	* testsuite/20_util/declval/requirements/1_neg.cc: Likewise.
	* testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Likewise.
	* testsuite/20_util/weak_ptr/comparison/cmp_neg.cc: Likewise.

From-SVN: r174464

From-SVN: r174463

2011-05-31  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* include/std/tuple: Restore is_convertible constraint.
	* testsuite/20_util/tuple/cons/allocate_noncopyable.cc: Remove.

From-SVN: r174458

	* config/sh/sh.c (expand_cbranchdi4): Set msw_skip when the high
	part of the second operand is 0.
	* gcc.c-torture/execute/pr49186.c: New.

From-SVN: r174456

2011-05-30  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/49236
	* testsuite/20_util/weak_ptr/comparison/cmp_neg.cc: Adjust dg-warning
	line number.

From-SVN: r174455

	* config/i386/i386.md (*movxf_internal): Penalize FYx*r->o alternative
	to prevent partial memory stalls.  Do not move CONST_DOUBLEs directly
	to memory for !TARGET_MEMORY_MISMATCH_STALL.
	(*movdf_internal_rex64): Do not penalize F->r alternative.
	(*movdf_internal):  Penalize FYd*r->o alternative to prevent partial
	memory stalls.  Generate SSE and x87 CONST_DOUBLE immediates only
	when optimizing function for size.  Do not move CONST_DOUBLEs
	directly to memory for !TARGET_MEMORY_MISMATCH_STALL.
	(FP move splitters): Merge {TF,XF,DF}mode move splitters.  Do not
	handle SUBREGs.  Do not check for MEM_P operands in the insn condition,
	check for ANY_FP_REGNO_P instead.
	* config/i386/constraints.md (Yd): Enable GENERAL_REGS for
	TARGET_64BIT and for TARGET_INTEGER_DFMODE_MOVES when optimizing
	function for speed.
	* config/i386/i386.c (ix86_option_override_internal): Do not
	set TARGET_INTEGER_DFMODE_MOVES here.

From-SVN: r174453

gcc/

2011-05-30  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/49168
	* config/i386/i386.md (*movtf_internal): Handle misaligned
	load/store.

gcc/testsuite/

2011-05-30  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/49168
	 * gcc.target/i386/pr49168-1.c: New.

From-SVN: r174451

dwarf2out.c (modified_type_die, [...]): Use DW_TAG_rvalue_reference_type even for -gdwarf-4 -fno-debug-types-section.

	* dwarf2out.c (modified_type_die, gen_reference_type_die): Use
	DW_TAG_rvalue_reference_type even for
	-gdwarf-4 -fno-debug-types-section.

From-SVN: r174449

2011-05-30  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/46728
	* tree-ssa-math-opts.c (build_and_insert_call): Reorder parms.
	(build_and_insert_binop): New.
	(gimple_expand_builtin_pow): Reorder args for
	build_and_insert_call; use build_and_insert_binop; add more
	optimizations for fractional exponents.

From-SVN: r174446

fix PR bootstrap/4910
gcc/
	PR bootstrap/49190

	Revert:
	2011-05-26  Nathan Froyd  <froydnj@codesourcery.com>

	* tree.h (struct tree_identifier): Inherit from tree_typed, not
	tree_common.
	(HT_IDENT_TO_GCC_IDENT): Adjust for said change.
	* tree.c (initialize_tree_contains_struct): Mark TS_IDENTIFIER as
	TS_BASE instead of TS_COMMON.
	* varasm.c (assemble_name): Remove assert.

gcc/c-family/
	PR bootstrap/49190

	Revert:
	2011-05-26  Nathan Froyd  <froydnj@codesourcery.com>

	* c-common.h (struct c_common_identifier): Inherit from tree_typed,
	not tree_common.

From-SVN: r174445

2011-05-30  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* include/std/tuple: Implement uses-allocator construction.
	* include/bits/allocator.h (uses_allocator): Move to ...
	* include/bits/uses_allocator.h: New file.
	* include/Makefile.am: Add new header.
	* include/Makefile.in: Regenerate.
	* testsuite/20_util/uses_allocator/cons_neg.cc: New.
	* testsuite/20_util/uses_allocator/construction.cc: New.
	* testsuite/20_util/tuple/cons/allocate_noncopyable.cc: New.
	* testsuite/20_util/tuple/cons/allocators.cc: New.

From-SVN: r174443

gcc/
	* config.gcc: Keep obselete list sorted.

From-SVN: r174442

var-tracking.c (vt_add_function_parameter): Remap incoming MEMs with crtl->args.internal_arg_pointer based address to...

	* var-tracking.c (vt_add_function_parameter): Remap incoming MEMs with
	crtl->args.internal_arg_pointer based address to arg_pointer_rtx if
	there is a DRAP register and arg_pointer_rtx is the CFA pointer.
	(vt_init_cfa_base): Don't equate cfa_base_rtx if stack was realigned.
	(vt_initialize): Initialize cfa_base_rtx if there is a DRAP register.

From-SVN: r174438

2011-05-30  Richard Guenther  <rguenther@suse.de>

	* gimple.c (gimple_types_compatible_p_1): Compare record
	and union type members properly.

From-SVN: r174436

2011-05-30  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/49210
	* ipa-split.c (split_function): Care for the case where the
	call result is not trivially convertible to the result holding
	variable.

	* gnat.dg/boolean_subtype2.adb: New testcase.
	* gnat.dg/boolean_subtype2.ads: Likewise.
	* gnat.dg/boolean_subtype2_pkg.ads: Likewise.

From-SVN: r174435

	PR c++/49223
	* semantics.c (finish_omp_clauses): Call require_complete_type
	even for copyin/copyprivate clauses.  Only call
	cxx_omp_create_clause_info if inner_type is COMPLETE_TYPE_P.

	* g++.dg/gomp/pr49223-1.C: New test.
	* g++.dg/gomp/pr49223-2.C: New test.

From-SVN: r174432

	PR middle-end/46500
gcc/java:
	* expr.c: Include "tm.h" .

From-SVN: r174431

2011-05-30  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/49218
	* tree-vrp.c (adjust_range_with_scev): Properly check whether
	overflow occured.

	* gcc.c-torture/execute/pr49218.c: New testcase.

From-SVN: r174429

2011-05-30  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-forwprop.c (forward_propagate_into_comparison):
	New function split out from ...
	(forward_propagate_into_gimple_cond): ... here.  Adjust.
	(forward_propagate_into_cond): Likewise.
	(forward_propagate_comparison): Also propagate into
	comparisons on assignment RHS.  Change return value to
	behave similar to forward_propagate_into_cond.
	(tree_ssa_forward_propagate_single_use_vars): Handle
	strict-overflow warnings properly for forward_propagate_comparison.

From-SVN: r174428

	* configure.ac (gcc_cv_lto_plugin): Determine lto plugin support
	from plugin linker.
	* configure: Regenerate.

From-SVN: r174426

re PR tree-optimization/49199 (ICE: in vect_create_epilog_for_reduction at tree-vect-loop.c:3445 with -O -fno-tree-scev-cprop -ftree-vectorize -funswitch-loops)


        PR tree-optimization/49199
        * tree-vect-loop.c (vect_is_slp_reduction): Check that the 
        non-reduction operands are either defined in the loop or
        by induction.

From-SVN: r174425

From-SVN: r174424

From-SVN: r174423

From-SVN: r174422

	* config/i386/i386.md (*movoi_internal_avx): Use
	standard_sse_constant_opcode for alternative 0.
	(*movti_internal_sse): Ditto.
	(*movti_internal_rex64): Use standard_sse_constant_opcode for
	alternative 2.
	(*movdi_internal_rex64): Use standard_sse_constant_opcode for
	sselog1 type moves.
	(*movsi_internal): Ditto.
	(*movdi_internal): Ditto.  Add ssecvt type moves.

From-SVN: r174417

2011-05-29  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/47601
	* module.c (mio_component_ref): Handle components of extended types.
	* symbol.c (gfc_find_component): Return is sym is NULL.

2011-05-29  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/47601
	* gfortran.dg/extends_13.f03: New.

From-SVN: r174416

From-SVN: r174415

	PR target/48830
	* rtlanal.c (simplify_subreg_regno): Adjust comment.

From-SVN: r174414

	PR rtl-optimization/49095
	* config/i386/predicates.md (plusminuslogic_operator): New predicate.
	* config/i386/i386.md: Add peepholes for mem {+,-,&,|,^}= x; mem != 0.

	* gcc.target/i386/pr49095.c: New test.

From-SVN: r174413

2011-05-29  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/45786
	* interface.c (gfc_equivalent_op):  New function.
	(gfc_check_interface):  Use gfc_equivalent_op instead
	of switch statement.
	* decl.c (access_attr_decl):  Also set access to an
	equivalent operator.

2011-05-29  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/45786
	* gfortran.dg/operator_7.f90:  New test case.

From-SVN: r174412

2011-05-29  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * interface.c (compare_parameter): Add check for passing coarray
        to allocatable noncoarray dummy.

2011-05-29  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * gfortran.dg/coarray_24.f90: New.

From-SVN: r174411

2011-05-29  Tobias Burnus  <burnus@net-b.de>
            Richard Guenther  <rguenther@suse.de>

        PR fortran/18918
        * trans-types.c (gfc_get_nodesc_array_type): Don't mess with
        the type's TREE_TYPE.
        * trans-array.c (gfc_conv_array_ref): Use TYPE_MAIN_VARIANT.
        * trans.c (gfc_build_array_ref): Ditto.

2011-05-29  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * gfortran.dg/coarray_23.f90: New.


Co-Authored-By: Richard Guenther <rguenther@suse.de>

From-SVN: r174410

From-SVN: r174403

gcc/
	PR target/43995
	* config/mips/mips.c (mips_pic_call_symbol_from_set): Add a
	recurse_p argument.  Only follow register copies if it is set,
	and prevent mips_find_pic_call_symbol from recursing.
	(mips_find_pic_call_symbol): Add a recurse_p argument.
	Pass it to mips_pic_call_symbol_from_set.
	(mips_annotate_pic_calls): Update accordingly.

From-SVN: r174402

gcc/
	* emit-rtl.c (try_split): Use a loop to search for
	NOTE_INSN_CALL_ARG_LOCATIONs.

gcc/testsuite/
	From Ryan Mansfield
	* gcc.dg/pr48826.c: New test.

From-SVN: r174401

2011-05-29  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/49217
	* ipa-pure-const.c (propagate_pure_const): Fix typos.

	* gcc.dg/torture/pr49217.c: New testcase.

From-SVN: r174400

	PR testsuite/49222
	* gcc.dg/vect/pr49038.c: Use MAP_ANON if MAP_ANONYMOUS is not defined.

From-SVN: r174398

	* lto-streamer-out.c (hash_string_slot_node): Hash string based on its
	length.
	(string_slot_free): Remove
	(create_output_block): Initialize obstack.
	(destroy_output_block): Free obstack.
	(lto_string_index): Add PERSISTENT parameter; do not duplicate
	the string unless it needs to be added into the hash.
	(lto_output_string_with_length): Add persistent attribute;
	handle NULL strings.
	(lto_output_string): Add PERSISTENT parameter.
	(output_string_cst, output_identifier): Simplify.
	(lto_output_location_bitpack): Update.
	(lto_output_builtin_tree): Update.
	* lto-streamer.h (struct output_block): Add obstack.
	(lto_output_string, lto_output_string_with_length): Remove declarations;
	functions are static now.

From-SVN: r174397

From-SVN: r174395

	* lto-streamer-out.c (pack_ts_fixed_cst_value_fields,
	pack_ts_decl_common_value_fields, pack_ts_decl_with_vis_value_fields,
	pack_ts_function_decl_value_fields, lto_output_builtin_tree,
	output_cfg, output_gimple_stmt): Use enum and variable length i/o.
	* lto-streamer-in.c (input_cfg, input_gimple_stmt,
	unpack_ts_fixed_cst_value_fields, unpack_ts_decl_common_value_fields,
	unpack_ts_decl_with_vis_value_fields,
	unpack_ts_type_common_value_fields, unpack_ts_block_value_fields,
	lto_get_builtin_tree): Use enum and variable length i/o.
	* basic-block.h (profile_status_d): Add PROFILE_LAST.
	* lto-streamer.h (bp_pack_int_in_range, bp_unpack_int_in_range):
	New functions.
	(bp_pack_enum, bp_unpack_enum): New macros.

From-SVN: r174394