gnattools/
	* Makefile.in (LOOSE_WARN): Delete.
	(GCC_WARN_CFLAGS): Set to -W -Wall.
	(TOOLS_FLAGS_TO_PASS_1): Delete.
	(TOOLS_FLAGS_TO_PASS_1re): Rename into...
	(TOOLS_FLAGS_TO_PASS_RE): ...this.
	(gnattools-native): Use TOOLS_FLAGS_TO_PASS_NATIVE.
	(regnattools): Use TOOLS_FLAGS_TO_PASS_RE.
libada/
	* Makefile.in (LOOSE_WARN): Delete.
	(GCC_WARN_CFLAGS): Likewise.
	(WARN_CFLAGS): Likewise.
	(GNATLIBFLAGS): Add -nostdinc.
	(GNATLIBCFLAGS_FOR_C): Add -W -Wall.
 	(LIBADA_FLAGS_TO_PASS): Remove WARN_CFLAGS.
	* configure.ac (warn_cflags): Delete.
	* configure: Regenerate.
gcc/ada/
	* sem_util.adb (Denotes_Same_Prefix): Fix fatal warning.
	* gcc-interface/Make-lang.in (WARN_ADAFLAGS): New.
	(ALL_ADAFLAGS): Include WARN_ADAFLAGS.
	(ADA_FLAGS_TO_PASS): Likewise.
	(COMMON_FLAGS_TO_PASS): New.
	(ADA_TOOLS_FLAGS_TO_PASS): Use COMMON_FLAGS_TO_PASS.  In the regular
	native case, also use FLAGS_TO_PASS and ADA_FLAGS_TO_PASS.
	(gnatlib): Use COMMON_FLAGS_TO_PASS.
	(ada.install-common): Likewise.
	(install-gnatlib): Likewise.
	(install-gnatlib-obj): Likewise.
	(gnattools): Use ADA_TOOLS_FLAGS_TO_PASS for gnattools1 as well.
	(gnat-cross): Delete.
	(gnatboot): Likewise.
	(gnatboot2): Likewise.
	(gnatboot3): Likewise.
	(gnatstage1): Likewise.
	(gnatstage2): Likewise.
	* gcc-interface/Makefile.in (SOME_ADAFLAGS): Likewise.
	(MOST_ADAFLAGS): Likewise.
	(LOOSE_CFLAGS): Likewise.
 	(gnat-cross): Likewise.
	(GNATLIBFLAGS): Add -W -Wall.
	(GNATLIBCFLAGS_FOR_C): Likewise.
	* gcc-interface/lang.opt: Remove C-specific warnings.  Add doc lines.
	* gcc-interface/misc.c (gnat_handle_option): Remove obsolete cases.

From-SVN: r179878

	* gcc.target/powerpc/warn-1.c: Skip if not powerpc_vsx_ok.
	* gcc.target/powerpc/warn-2.c: Ditto.

From-SVN: r179877

	* gcc.target/powerpc/ppc-fma-3.c: Require powerpc_fprs.
	* gcc.target/powerpc/ppc-fma-4.c: Likewise.
	* gcc.target/powerpc/ppc-fma-5.c: Likewise.
	* gcc.target/powerpc/ppc-fma-7.c: Likewise.
	* gcc.target/powerpc/ppc-fpconv-11.c: Likewise.
	* gcc.target/powerpc/ppc-fpconv-3.c: Likewise.
	* gcc.target/powerpc/ppc-fpconv-7.c: Likewise.
	* gcc.target/powerpc/ppc-fpconv-8.c: Likewise.
	* gcc.target/powerpc/ppc-pow.c: Likewise.
	* gcc.target/powerpc/recip-1.c: Likewise.
	* gcc.target/powerpc/recip-2.c: Likewise.
	* gcc.target/powerpc/recip-3.c: Likewise.
	* gcc.target/powerpc/recip-4.c: Likewise.
	* gcc.target/powerpc/recip-5.c: Likewise.

From-SVN: r179876

gcc/

	* config/sparc/sparc.h: Do not force TARGET_VIS3 and TARGET_FMAF
	to zero when assembler lacks support for such instructions.
	* config/sparc/sparc.c (sparc_option_override): Clear MASK_VIS3
	and MASK_FMAF in defaults when assembler lacks necessary support.

gcc/testsuite/

	* gcc.target/sparc/cmask.c: Remove 'vis3' target check and specify
	'-mvis3' instead of 'mcpu=niagara3' in options.
	* gcc.target/sparc/fhalve.c: Likewise.
	* gcc.target/sparc/fnegop.c: Likewise.
	* gcc.target/sparc/fpadds.c: Likewise.
	* gcc.target/sparc/fshift.c: Likewise.
	* gcc.target/sparc/fucmp.c: Likewise.
	* gcc.target/sparc/lzd.c: Likewise.
	* gcc.target/sparc/vis3misc.c: Likewise.
	* gcc.target/sparc/xmul.c: Likewise.

From-SVN: r179875

	* gcc-interface/trans.c (Attribute_to_gnu): Use remove_conversions.
	(push_range_check_info): Likewise.
	(gnat_to_gnu) <N_Code_Statement>: Likewise.
	* gcc-interface/utils2.c (build_unary_op) <INDIRECT_REF>: Likewise.
	(gnat_invariant_expr): Likewise.
	* gcc-interface/utils.c (compute_related_constant): Likewise.
	(max_size): Fix handling of SAVE_EXPR.
	(remove_conversions): Fix formatting.

From-SVN: r179873

	* config/i386/sse.md (vec_unpacks_lo_<mode>,
	vec_unpacks_hi_<mode>, vec_unpacku_lo_<mode>,
	vec_unpacku_hi_<mode>): Change VI124_128 mode to
	VI124_AVX2.
	* config/i386/i386.c (ix86_expand_sse_unpack): Handle
	V32QImode, V16HImode and V8SImode for TARGET_AVX2.

From-SVN: r179872

	* config/i386/sse.md (vec_avx2): New mode_attr.
	(mulv16qi3): Macroize to cover also mulv32qi3 for
	TARGET_AVX2 into ...
	(mul<mode>3): ... this.

From-SVN: r179871

	* config/i386/i386.md (UNSPEC_VPERMDI): Remove.
	* config/i386/i386.c (ix86_expand_vec_perm): Handle
	V16QImode and V32QImode for TARGET_AVX2.
	(MAX_VECT_LEN): Increase to 32.
	(expand_vec_perm_blend): Add support for 32-byte integer
	vectors with TARGET_AVX2.
	(valid_perm_using_mode_p): New function.
	(expand_vec_perm_pshufb): Add support for 32-byte integer
	vectors with TARGET_AVX2.
	(expand_vec_perm_vpshufb2_vpermq): New function.
	(expand_vec_perm_vpshufb2_vpermq_even_odd): New function.
	(expand_vec_perm_even_odd_1): Handle 32-byte integer vectors
	with TARGET_AVX2.
	(ix86_expand_vec_perm_builtin_1): Try expand_vec_perm_vpshufb2_vpermq
	and expand_vec_perm_vpshufb2_vpermq_even_odd.
	* config/i386/sse.md (VEC_EXTRACT_EVENODD_MODE): Add for TARGET_AVX2
	32-byte integer vector modes.
	(vec_pack_trunc_<mode>): Use VI248_AVX2 instead of VI248_128.
	(avx2_interleave_highv32qi, avx2_interleave_lowv32qi): Remove pasto.
	(avx2_pshufdv3, avx2_pshuflwv3, avx2_pshufhwv3): Generate
	4 new operands.
	(avx2_pshufd_1, avx2_pshuflw_1, avx2_pshufhw_1): Don't use
	match_dup, instead add 4 new operands and require they have
	right cross-lane values.
	(avx2_permv4di): Change into define_expand.
	(avx2_permv4di_1): New instruction.
	(avx2_permv2ti): Use nonimmediate_operand instead of register_operand
	for "xm" constrained operand.
	(VEC_PERM_AVX2): Add V32QI and V16QI for TARGET_AVX2.

From-SVN: r179870

	* config/i386/sse.md (avx2_gathersi<mode>,
	avx2_gatherdi<mode>, avx2_gatherdi<mode>256): Add clobber of
	match_scratch, change memory_operand to register_operand,
	add (mem:BLK (scratch)) use.
	(*avx2_gathersi<mode>, *avx2_gatherdi<mode>,
	*avx2_gatherdi<mode>256): Add clobber of match_scratch,
	add earlyclobber to the output operand and match_scratch,
	add (mem:BLK (scratch)) use, change the other mem to match_operand.
	Use %p6 instead of %c6 in the pattern.
	* config/i386/i386.c (ix86_expand_builtin): Adjust for
	operand 2 being a Pmode register_operand instead of memory_operand.

From-SVN: r179869

	* gcc-interface/ada-tree.h (DECL_LOOP_PARM_P): New flag.
	(DECL_INDUCTION_VAR): New macro.
	(SET_DECL_INDUCTION_VAR): Likewise.
	* gcc-interface/gigi.h (convert_to_index_type): Declare.
	(gnat_invariant_expr): Likewise.
	* gcc-interface/decl.c (gnat_to_gnu_entity) <object>: If this is a loop
	parameter, set DECL_LOOP_PARM_P on it.
	* gcc-interface/misc.c (gnat_print_decl) <VAR_DECL>: If DECL_LOOP_PARM_P
	is set, print DECL_INDUCTION_VAR instead of DECL_RENAMED_OBJECT.
	* gcc-interface/trans.c (gnu_loop_label_stack): Delete.
	(struct range_check_info_d): New type.
	(struct loop_info_d): Likewise.
	(gnu_loop_stack): New stack.
	(Identifier_to_gnu): Set TREE_READONLY flag on the first dereference
	built for a by-double-ref read-only parameter.  If DECL_LOOP_PARM_P
	is set, do not test DECL_RENAMED_OBJECT.
	(push_range_check_info): New function.
	(Loop_Statement_to_gnu): Push a new struct loop_info_d instead of just
	the label.  Reference the label and the iteration variable from it.
	Build the special induction variable in the unsigned version of the
	size type, if it is larger than the base type.  And attach it to the
	iteration variable if the latter isn't by-ref.  In the iteration scheme
	case, initialize the invariant conditions in front of the loop if
	deemed profitable.  Use gnu_loop_stack.
	(gnat_to_gnu) <N_Exit_Statement>: Use gnu_loop_stack.
	<N_Raise_Constraint_Error>: Always process the reason.  In the range
	check and related cases, and if loop unswitching is enabled, compute
	invariant conditions and push this information onto the stack.
	Do not translate again the condition if it has been already translated.
	* gcc-interface/utils.c (record_global_renaming_pointer): Assert that
	DECL_LOOP_PARM_P isn't set.
	(convert_to_index_type): New function.
	* gcc-interface/utils2.c (build_binary_op) <ARRAY_REF>: Use it in order
	to convert the index from the base index type to sizetype.
	(gnat_invariant_expr): New function.

From-SVN: r179868

2011-10-12  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/50594
	* decl.c (cxx_init_decl_processing): Add
	__attribute__((externally_visible)) to operator new and
	operator delete library fn.

2011-10-12  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/50594
	* libsupc++/new (operator new, operator delete): Decorate with
	__attribute__((__externally_visible__)).
	* include/bits/c++config: Add _GLIBCXX_THROW.
	* libsupc++/del_op.cc: Adjust.
	* libsupc++/del_opv.cc: Likewise.
	* libsupc++/del_opnt.cc: Likewise.
	* libsupc++/del_opvnt.cc: Likewise.
	* libsupc++/new_op.cc: Likewise.
	* libsupc++/new_opv.cc: Likewise.
	* libsupc++/new_opnt.cc: Likewise.
	* libsupc++/new_opvnt.cc: Likewise.
	* testsuite/18_support/50594.cc: New.
	* testsuite/ext/profile/mutex_extensions_neg.cc: Adjust dg-error
	line number.

From-SVN: r179863

2011-10-12  H.J. Lu  <hongjiu.lu@intel.com>

	* gcc.target/i386/fma_run_double_1.c: Add -mfpmath=sse.
	* gcc.target/i386/fma_run_double_2.c: Likewise.
	* gcc.target/i386/fma_run_double_3.c: Likewise.
	* gcc.target/i386/fma_run_double_4.c: Likewise.
	* gcc.target/i386/fma_run_double_5.c: Likewise.
	* gcc.target/i386/fma_run_double_6.c: Likewise.
	* gcc.target/i386/fma_run_float_1.c: Likewise.
	* gcc.target/i386/fma_run_float_2.c: Likewise.
	* gcc.target/i386/fma_run_float_3.c: Likewise.
	* gcc.target/i386/fma_run_float_4.c: Likewise.
	* gcc.target/i386/fma_run_float_5.c: Likewise.
	* gcc.target/i386/fma_run_float_6.c: Likewise.

	* gcc.target/i386/l_fma_double_1.c: Add -mtune=generic and
	remove the extra dg-options.
	* gcc.target/i386/l_fma_double_2.c: Likewise.
	* gcc.target/i386/l_fma_double_3.c: Likewise.
	* gcc.target/i386/l_fma_double_4.c: Likewise.
	* gcc.target/i386/l_fma_double_5.c: Likewise.
	* gcc.target/i386/l_fma_double_6.c: Likewise.
	* gcc.target/i386/l_fma_float_1.c: Likewise.
	* gcc.target/i386/l_fma_float_2.c: Likewise.
	* gcc.target/i386/l_fma_float_3.c: Likewise.
	* gcc.target/i386/l_fma_float_4.c: Likewise.
	* gcc.target/i386/l_fma_float_5.c: Likewise.
	* gcc.target/i386/l_fma_float_6.c: Likewise.

From-SVN: r179861

        * config/i386/i386.md (simple_return): Disable
        if TARGET_SEH is active.

From-SVN: r179860

2011-10-12  Steve Ellcey  <sje@cup.hp.com>

	* config/ia64/ia64.c (ia64_init_builtins): Fix unbalanced parentheses.

From-SVN: r179859

tree-ssa-alias.c (maybe_skip_until): Cache also at the point of the first store we visit in a basic-block.

2011-10-12  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-alias.c (maybe_skip_until): Cache also at the point
	of the first store we visit in a basic-block.
	(get_continuation_for_phi): Search for a candidate VUSE that
	might dominates all others.  Do pairwise disambiguation against
	that candidate.

From-SVN: r179858

2011-10-12  Paul Koning  <pkoning@gcc.gnu.org>

	PR tree-optimization/50189
	* tree-vrp.c (extract_range_from_assert): Use the type of
	the variable, not the limit.

	* g++.dg/torture/pr50189.C: New testcase.

From-SVN: r179857

2011-10-11  Tobias Burnus  <burnus@net-b.de>
            Janus Weil  <janus@gcc.gnu.org>

        * invoke.texi (-fwhole-file): Update wording since -fwhole-file
        is now enabled by default.


Co-Authored-By: Janus Weil <janus@gcc.gnu.org>

From-SVN: r179854

2011-10-12  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/50700
	* tree-object-size.c (addr_object_size): Simplify and treat
	MEM_REF bases consistently.

	* gcc.dg/builtin-object-size-12.c: New testcase.

From-SVN: r179850

	* function.c (prepare_shrink_wrap, bb_active_p): New function.
	(thread_prologue_and_epilogue_insns): Use bb_active_p.
	Call prepare_shrink_wrap, then recompute bb_active_p for the
	last block.

From-SVN: r179848

	PR c/50565
	* convert.c (convert_to_integer): Do not narrow operands of
	pointer subtraction.

testsuite:
	* gcc.c-torture/compile/pr50565-1.c,
	gcc.c-torture/compile/pr50565-2.c: New tests.

From-SVN: r179845

	* config/arm/arm.h (EMIT_EABI_ATTRIBUTE): New macro.  Used to
	emit a .eabi_attribute assembler directive, possibly with a
	comment attached.
	* config/arm/arm.c (arm_file_start): Use the new macro.
	* config/arm/arm-c.c (arm_output_c_attributes): Likewise.

From-SVN: r179844

	PR target/49939
	* config/avr/avr.md (*movqi): Rename to movqi_insn.
	(*call_insn): Rename to call_insn.
	(*call_value_insn): Rename to call_value_insn.
	* config/avr/avr.c (avr_2word_insn_p): New static function.
	(jump_over_one_insn_p): Use it.

From-SVN: r179843

gcc/
	* expr.h (copy_blkmode_to_reg): Declare.
	* expr.c (copy_blkmode_to_reg): New function.
	(expand_assignment): Don't expand register RESULT_DECLs before
	the lhs.  Use copy_blkmode_to_reg to copy BLKmode values into a
	RESULT_DECL register.
	(expand_expr_real_1): Handle BLKmode decls when looking for promotion.
	* stmt.c (expand_return): Move BLKmode-to-register code into
	copy_blkmode_to_reg.

From-SVN: r179839

From-SVN: r179835

	PR target/49965
	* config/sparc/sparc.md (mov<I:mode>cc): Do not save comparison code.
	(mov<F:mode>cc): Likewise.

From-SVN: r179827

From-SVN: r179826

2011-10-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* tree-ssa-address.c (copy_ref_info): Remove copy of TREE_THIS_NOTRAP.

From-SVN: r179825

From-SVN: r179820

2011-10-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* tree.h (copy_ref_info): Expose existing function.
	* tree-ssa-loop-ivopts.c (copy_ref_info): Move function to...
	* tree-ssa-address.c (copy_ref_info): ...here, and remove static token.

From-SVN: r179818

	* config/avr/avr-protos.h (avr_mode_code_base_reg_class): New prototype.
	(avr_regno_mode_code_ok_for_base_p): New prototype.
	* config/avr/avr.h (BASE_REG_CLASS): Remove.
	(REGNO_OK_FOR_BASE_P): Remove.
	(REG_OK_FOR_BASE_NOSTRICT_P): Remove.
	(REG_OK_FOR_BASE_STRICT_P): Remove.
	(MODE_CODE_BASE_REG_CLASS): New define.
	(REGNO_MODE_CODE_OK_FOR_BASE_P): New define.
	* config/avr/avr.c (avr_mode_code_base_reg_class): New function.
	(avr_regno_mode_code_ok_for_base_p): New function.
	(avr_reg_ok_for_addr_p): New static function.
	(avr_legitimate_address_p): Use it.  Beautify.

From-SVN: r179817

re PR target/50447 ([avr] Better support of AND, OR, XOR and PLUS with constant integers for 16- and 32-bit values)

	PR target/50447
	* config/avr/avr.md (cc): Add out_plus attribute alternative.
	(addsi3): Use it.  Adapt avr_out_plus to new prototype.  Use
	avr_out_plus for all CONST_INT addends.
	* config/avr/avr-protos.h (avr_out_plus): Change prototype.
	* config/avr/avr.c (notice_update_cc): Call avr_out_plus on
	CC_OUT_PLUS.
	(avr_out_plus_1): Change prototype and report effect on cc0.
	(avr_out_plus): Ditto.
	(adjust_insn_length): Adapt call to avr_out_plus to new prototype.

From-SVN: r179816

	PR c++/49855
	PR c++/49896
	* cp-tree.def (IMPLICIT_CONV_EXPR): New.
	* call.c (perform_implicit_conversion_flags): Build it
	instead of NOP_EXPR.
	* cp-objcp-common.c (cp_common_init_ts): It's typed.
	* cxx-pretty-print.c (pp_cxx_cast_expression): Handle it.
	(pp_cxx_expression): Likewise.
	* error.c (dump_expr): Likewise.
	* semantics.c (potential_constant_expression_1): Likewise.
	* tree.c (cp_tree_equal): Likewise.
	(cp_walk_subtrees): Likewise.
	* pt.c (iterative_hash_template_arg): Likewise.
	(for_each_template_parm_r): Likewise.
	(type_dependent_expression_p): Likewise.
	(tsubst_copy, tsubst_copy_and_build): Handle IMPLICIT_CONV_EXPR
	and CONVERT_EXPR.
	* cp-tree.h (IMPLICIT_CONV_EXPR_DIRECT_INIT): New.

From-SVN: r179813

2011-10-11  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_expand_special_args_builtin): Remove
	the extra break.

From-SVN: r179812

From-SVN: r179807

2011-10-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* gcc.dg/pr49994-3.c: Add -mbackchain for s390 and s390x.

From-SVN: r179805

2011-10-11  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/50611
	* pt.c (tsubst_copy_and_build): If (complain & tf_error) is false
	do not call unqualified_name_lookup_error.

From-SVN: r179802

2011-10-11  Emil Wojak  <emil@wojak.eu>

	PR c++/50661
	* include/bits/stl_algobase.h (equal): Compare arrays of pointers
	too with memcmp.

From-SVN: r179801

2011-10-11  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/50204
	* tree-ssa-alias.c (get_continuation_for_phi_1): Split out
	two argument handling from ...
	(get_continuation_for_phi): ... here.  Handle arbitrary number
	of PHI args.

	* gcc.dg/tree-ssa/ssa-fre-36.c: New testcase.

From-SVN: r179799

2011-10-11  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* gcc.target/s390/20090223-1.c: Add -Wno-attributes.

From-SVN: r179798

2011-10-11  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/33067
	* c-family/c-pretty-print.c (pp_c_floating_constant): Output
	max_digits10 (in the ISO C++ WG N1822 sense) decimal digits.

From-SVN: r179797