gcc:

2012-10-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/55008
	* gimple-ssa-strength-reduction.c (find_basis_for_candidate): Don't
	allow a candidate to be a basis for itself under another interpretation.

gcc/testsuite:

2012-10-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/55008
	* gcc.dg/tree-ssa/pr55008.c: New test.

From-SVN: r192696

2012-10-22  François Dumont  <fdumont@gcc.gnu.org>

	* include/bits/unordered_set.h (unordered_set<>): Prefer
	aggregation to inheritance with _Hashtable.
	(unordered_multiset<>): Likewise.
	* include/debug/unordered_set (operator==): Adapt.
	* include/profile/unordered_set (operator==): Adapt.

From-SVN: r192695

	* config/i386/i386.c (memory_address_length):
	Added missing part from my previous commit.

From-SVN: r192694

2012-10-22  Sharad Singhai  <singhai@google.com>

        * dumpfile.c (dump_phase_enabled_p): Renamed dump_enabled_p. Update
        all callers.
	(dump_enabled_p): A new function to check if any of the dump files
	is available.
	(dump_kind_p): Remove check for current_function_decl. Add check for
	dumpfile and alt_dump_file.
	* dumpfile.h: Add declaration of dump_enabled_p.

From-SVN: r192692

re PR lto/55021 (The tests gfortran.dg/integer_exponentiation_5.F90 and masklr_1.F90 are miscompiled with -flto after revision 192529)

2012-10-22  Richard Biener  <rguenther@suse.de>

	PR lto/55021
	* tree-streamer-in.c (unpack_ts_int_cst_value_fields): Remove
	bogus truncations.

From-SVN: r192691

	* config/i386/i386.c (memory_address_length): Assert that non-null
	base or index RTXes are registers.  Do not check for REG RTXes.
	Determine addr32 prefix from original base and index RTXes.
	Simplify code.

From-SVN: r192690

2012-10-22  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/55011
	* tree-vrp.c (update_value_range): For invalid lattice transitions
	drop to VARYING.

	* gcc.dg/torture/pr55011.c: New testcase.

From-SVN: r192689

	* config/arm/arm.h (CANNOT_CHANGE_MODE_CLASS): Avoid subreg'ing
	VFP D registers in big-endian mode.

From-SVN: r192687

	* doc/invoke.texi (AVR Options): Document __AVR_ARCH__.
	Note __AVR_<device>__ is not defined for cores.
	Don't point to --help=target.

From-SVN: r192685

From-SVN: r192682

gcc/testsuite

2012-10-22  Greta Yorsh  <Greta.Yorsh@arm.com>

	* gcc.target/arm/pr40457-1.c: Adjust expected output.
	* gcc.target/arm/pr40457-2.c: Likewise.
	* gcc.target/arm/pr40457-3.c: Likewise.

From-SVN: r192681

2012-10-22  Sameera Deshpande  <sameera.deshpande@arm.com>
	    Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm.c (thumb2_emit_ldrd_pop): New function.
	(arm_expand_epilogue): Use the new function.


Co-Authored-By: Greta Yorsh <greta.yorsh@arm.com>

From-SVN: r192680

2012-10-22  Sameera Deshpande  <sameera.deshpande@arm.com>
	    Greta Yorsh  <Greta.Yorsh@arm.com>

	* config/arm/arm.c (thumb2_emit_strd_push): New function.
       (arm_expand_prologue): Use the new function.


Co-Authored-By: Greta Yorsh <greta.yorsh@arm.com>

From-SVN: r192679

2012-10-22  Sameera Deshpande  <sameera.deshpande@arm.com>
	    Greta Yorsh  <Greta.Yorsh@arm.com>

        * config/arm/arm-protos.h (offset_ok_for_ldrd_strd): New
        declaration.
        (operands_ok_ldrd_strd): Likewise.
        * config/arm/arm.c (offset_ok_for_ldrd_strd): New function.
        (operands_ok_ldrd_strd): Likewise.
        * config/arm/arm.md (thumb2_ldrd, thumb2_ldrd_base): New patterns.
        (thumb2_ldrd_base_neg): Likewise.
        (thumb2_strd, thumb2_strd_base, thumb_strd_base_neg): Likewise.
        * predicates.md (ldrd_strd_offset_operand): New predicate.
        * config/arm/constraints.md (Do): New constraint.



Co-Authored-By: Greta Yorsh <greta.yorsh@arm.com>

From-SVN: r192678

	* config/mmix/mmix.md ("nonlocal_goto_receiver"): Refer to the
	frame-pointer as an operand.
	("*nonlocal_goto_receiver_expanded"): Ditto.  Use
	mmix_output_register_setting instead of naked output_asm_insn for
	the offset from the frame-pointer to the saved rO.
	* config/mmix/mmix.c (mmix_output_register_setting): Emit NEGU for
	values -255..0.
	* config/mmix/predicates.md ("frame_pointer_operand"): New.
	* config/mmix/constraints.md ("Yf"): New.

From-SVN: r192677

	* stmt.c (expand_nl_goto_receiver): Remove almost-copy of
	expand_builtin_setjmp_receiver.
	(expand_label): Adjust, call expand_builtin_setjmp_receiver
	with NULL for the label parameter.
	* builtins.c (expand_builtin_setjmp_receiver): Don't clobber
	the frame-pointer.  Adjust comments.
	[HAVE_builtin_setjmp_receiver]: Emit builtin_setjmp_receiver
	only if LABEL is non-NULL.

From-SVN: r192676

From-SVN: r192675

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Array_Type>: Force
	BLKmode on the type if it is passed by reference.
	<E_Array_Subtype>: Likewise.
	<E_Record_Type>: Guard the call to Is_By_Reference_Type predicate.
	<E_Record_Subtype>: Likewise.

From-SVN: r192673

utils.c (rest_of_record_type_compilation): Simplify and robustify pattern machine code for masking operations.

	* gcc-interface/utils.c (rest_of_record_type_compilation): Simplify and
	robustify pattern machine code for masking operations.

From-SVN: r192672

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Subprogram_Type>: In
	type annotation mode, break circularities introduced by AI05-0151.

From-SVN: r192671

trans.c (Loop_Statement_to_gnu): Use gnat_type_for_size directly to obtain an unsigned version of the base type.

	* gcc-interface/trans.c (Loop_Statement_to_gnu): Use gnat_type_for_size
	directly to obtain an unsigned version of the base type.

From-SVN: r192669

decl.c (gnat_to_gnu_entity): Do not generate the special PARM_DECL for an Out parameter in LTO mode.

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Out_Parameter>: Do not
	generate the special PARM_DECL for an Out parameter in LTO mode.

From-SVN: r192667

	PR bootstrap/54820
	* Makefile.tpl (STAGE1_FLAGS_TO_PASS): New variable.
	(all-[+prefix+][+module+]): Pass stage1_args to sub-makes.
	(all-stage[+id+]-[+prefix+][+module+]): Likewise, if prev is false.
	(clean-stage[+id+]-[+prefix+][+module+]): Likewise, if prev is false.
	(host_modules): Set stage1_args to STAGE1_FLAGS_TO_PASS.
	* Makefile.in: Regenerate.
	* configure.ac (have_static_libs): New variable and associated check.
	(stage1-ldflags): Move to after stage1_libs and set to -static-libstdc++
	-static-libgcc if stage1_libs is empty and have_static_libs is yes.
	* configure: Regenerate.
ada/
	* gcc-interface/Make-lang.in (GCC_LINK): Remove hardcoded options.

From-SVN: r192666

From-SVN: r192664

2012-10-22  Yufeng Zhang  <yufeng.zhang@arm.com>
	    Jonathan Wakely  <jwakely.gcc@gmail.com>

	* doc/xml/manual/configure.xml (--enable-clocale): Document the
	'newlib' and 'darwin' options. Minor stylistic improvements.

Co-Authored-By: Jonathan Wakely <jwakely.gcc@gmail.com>

From-SVN: r192661

	* config/i386/i386-protos.h (memory_address_length): Add new bool
	argument.  Update all uses.
	* config/i386/i386.c (memory_address_length): If not LEA insn, then
	add length of addr32 prefix based on mode of base or index register.
	(ix86_attr_length_address_default) <TYPE_LEA>: Do not handle SImode
	addresses here.  Update call to memory_address_length.
	(ix86_print_address_operand): Use SImode_address_operand predicate.
	* config/i386/predicates.md (SImode_address_operand): New.
	* config/i386/i386.md (lea<mode>): Use SImode_address_operand
	to calculate "mode" attribute.  Use SImode_address_operand predicate
	instead of open-coding accepted RTX codes.

From-SVN: r192660

	* gnat.dg/specs/atomic1.ads: XFAIL on MIPS.
	* gnat.dg/specs/addr1.ads: Likewise.

From-SVN: r192658

2012-10-21  François Dumont  <fdumont@gcc.gnu.org>

	* include/profile/map.h (map::emplace_hint): Remove invalid
	parenthesis.

From-SVN: r192656

From-SVN: r192654

From-SVN: r192652

	PR rtl-optimization/44194
	* calls.c (expand_call): Allow sibling calls in the PARALLEL case.

From-SVN: r192651

gcc/
2012-10-21  Tobias Burnus  <burnus@net-b.de>

        PR fortran/54725
        * Makefile.in (TARGET_SYSTEM_ROOT_DEFINE): New.

gcc/fortran
2012-10-21  Tobias Burnus  <burnus@net-b.de>

        PR fortran/54725
        * Make-lang.in (CFLAGS-cpp.o): Use TARGET_SYSTEM_ROOT_DEFINE.
        * cpp.o (gfc_cpp_init_options): Use it for
        setting gfc_cpp_option.sysroot.

From-SVN: r192650

2012-10-21  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/54465
	* lang.opt (Wextra):  Add.
	* invoke.texi:  Document that -Wc-binding-type, -Wconversion
	and -Wline-truncation are implied by -Wall.  Document that
	-Wcompare-reals is implied by -Wextra.  Document -Wextra.
	* options.c (set_Wextra):  New function.
	(gfc_handle_option):  Handle -Wextra.

2012-10-21  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/54465
	* gfortran.dg/wextra_1.f:  New test.

From-SVN: r192649

2012-10-21  Chung-Lin Tang  <cltang@codesourcery.com>

	* config/xtensa/xtensa.c (xtensa_expand_builtin): Remove unused 'arg'
	variable.

From-SVN: r192648

	* testsuite/23_containers/bitset/45713.cc: Skip for mmix-*-*.
	Tweak sizetype-related comment.

From-SVN: r192647

	* config/mmix/crti.S: Mark program and data addresses using PRELD.
	Remove typo'd and unnecessary alignment-LOC for .data.  Remove
	no-longer-needed LDBU insns.

From-SVN: r192646

From-SVN: r192644

	PR rtl-optimization/54315
	* calls.c (expand_call): Don't deal specifically with BLKmode values
	returned in naked registers.
	* expr.h (copy_blkmode_from_reg): Adjust prototype.
	* expr.c (copy_blkmode_from_reg): Rename first parameter into TARGET and
	make it required.  Assert that SRCREG hasn't BLKmode.  Add a couple of 
	short-circuits for common cases and be prepared for sub-word registers.
	(expand_assignment): Call copy_blkmode_from_reg for BLKmode values
	returned in naked registers.
	(store_expr): Likewise.
	(store_field): Likewise.

From-SVN: r192641

	* gcc.dg/tree-prof/unroll-1.c: New testcase.

	* loop-unroll.c (decide_unroll_constant_iterations): Don't
	perform unrolling for loops with low iterations bounds or estimates.

From-SVN: r192638

loop-iv.c (iv_number_of_iterations): Record the upper bound only if there are no further conditions on it.


	* loop-iv.c (iv_number_of_iterations): Record the upper bound
	only if there are no further conditions on it.

From-SVN: r192636