2010-11-04  Chao-ying Fu  <fu@mips.com>

	* configure.ac: Test assembler support for DSP Rev1 mult.
	* configure: Regenerate.
	* config.in: Regenerate.
	* config/mips/mips.h (ISA_HAS_DSP_MULT): New define.
	* config/mips/mips.c (CODE_FOR_mips_mult): New define.
	(CODE_FOR_mips_multu): New define.
	(mips_builtins): Move madd, maddu, msub, msubu, mult, multu from
	dspr2_32 to dsp_32.
	(mips_mulsidi3_gen_fn): Test (TARGET_FIX_R4000 && !ISA_HAS_DSP).
	Delete returns when ISA_HAS_DSPR2, because the old patterns are deleted.
	* config/mips/mips-dsp.md (mips_madd<u>, mips_msub<u>):
	New define_expand patterns.
	* config/mips/constraints.md (ka): Update the constraint to test
	ISA_HAS_DSP_MULT instead of ISA_HAS_DSPR2.
	* config/mips/mips-dspr2.md (mips_madd<u>, mips_msub<u>, mips_mult,
	mips_multu): Delete.
	* config/mips/mips.md (<u>mulsidi3_32bit): Add comments.
	Change target constraint to "ka".
	Use (!TARGET_FIX_R4000 || ISA_HAS_DSP), instead of
	(!TARGET_FIX_R4000 && !ISA_HAS_DSPR2).
	Emit the accumulator destination when ISA_HAS_DSP_MULT.
	(<u>msubsidi4): Add comments.
	Test ISA_HAS_DSP.
	Emit the accumulator destination when ISA_HAS_DSP_MULT.
	(<u>maddsidi4): Likewise.
	* doc/extend.texi (MIPS DSP Built-in Functions): Move madd, maddu,
	msub, msubu, mult, multu built-in functions from DSP r2 to DSP r1.

From-SVN: r166344

From-SVN: r166343

	* configure.ac (AC_CHECK_HEADERS): Add process.h.
	(checkfuncs): Add dup3, spawnve, spawnvpe; sort the list.
	(AC_CHECK_FUNCS): Add dup3, spawnve, spawnvpe.
	* configure, config.in: Rebuild.
	* pex-unix.c [HAVE_SPAWNVE] (pex_unix_exec_child): New function.
	[HAVE_SPAWNVE] (save_and_install_fd, restore_fd): New functions.

From-SVN: r166339

	PR target/44751
	* config/h8300/h8300.c: Include df.h.
	(push, pop): Use add_reg_note.
	(compute_plussi_cc, compute_logical_op_cc): Return enum attr_c.
	(compute_a_shift_cc): Likewise.
	(expand_a_shift): Argument code has type enum rtx_code.
	(struct shift_insn): Member cc_valid has type enum attr_cc.
	(struct shift_info) <cc_inline, cc_special>: Likewise.
	enum attr_cc.
	* config/h8300/h8300-protos.h (compute_plussi_cc): Update prototype.
	(compute_a_shift_cc, compute_logical_op_cc, expand_a_shift): Likewise.

From-SVN: r166336

From-SVN: r166335

From-SVN: r166334

In gcc/:
2010-11-04  Nicola Pero  <nicola.pero@meta-innovation.com>

        Fixed using the Objective-C 2.0 dot-syntax with class names.
        * c-parser.c (c_parser_next_token_starts_declspecs): In
        Objective-C, detect Objective-C 2.0 dot-syntax with a class name.
        (c_parser_next_token_starts_declaration): Same.
        (c_parser_postfix_expression): Parse the Objective-C 2.0
        dot-syntax with a class name.

In gcc/cp/:
2010-11-04  Nicola Pero  <nicola.pero@meta-innovation.com>

        Fixed using the Objective-C 2.0 dot-syntax with class names.
        * parser.c (cp_parser_primary_expression): Recognize Objective-C
        2.0 dot-syntax with class names and process it.
        (cp_parser_nonclass_name): Recognize Objective-C 2.0 dot-syntax
        with class names.
        (cp_parser_class_name): Same change.
        (cp_parser_simple_type_specifier): Tidied comments.

In gcc/c-family/:
2010-11-04  Nicola Pero  <nicola.pero@meta-innovation.com>

        Fixed using the Objective-C 2.0 dot-syntax with class names.
        * c-common.h (objc_build_class_component_ref): New.
        * stub-objc.c (objc_build_class_component_ref): New.

In gcc/objc/:
2010-11-04  Nicola Pero  <nicola.pero@meta-innovation.com>

        Fixed using the Objective-C 2.0 dot-syntax with class names.
        * objc-act.c (objc_build_class_component_ref): New.

In gcc/testsuite/:
2010-11-04  Nicola Pero  <nicola.pero@meta-innovation.com>

        Fixed using the Objective-C 2.0 dot-syntax with class names.
        * objc.dg/property/dotsyntax-3.m: New.
        * objc.dg/property/dotsyntax-4.m: New.
        * obj-c++.dg/property/dotsyntax-3.mm: New.
        * obj-c++.dg/property/dotsyntax-4.mm: New.

        * objc.dg/fobjc-std-1.m: Added test for warnings when the
        Objective-C 2.0 dot-syntax is used with class names.
        * obj-c++.dg/fobjc-std-1.mm: Same change.

From-SVN: r166333

	PR bootstrap/44756
	* genopinit.c (main) [FIXUNS_TRUNC_LIKE_FIX_TRUNC]: Cast
	iteration variables to enum machine_mode.

From-SVN: r166332

        PR target/44750
        * config/pdp11/pdp11.c: (pdp11_secondary_reload): Now static.
        (pdp11_preferred_reload_class): Rename class to rclass.
        (pdp11_preferred_output_reload_class): Likewise.
        * config/pdp11/t-pdp11 (dwarf2out.o): Add -Wno-error=type-limits to
        ALL_COMPILERFLAGS .
        (java/constants.o): Add -Wno-error to ALL_COMPILERFLAGS.

From-SVN: r166331

	PR c++/46298
	* semantics.c (build_constexpr_constructor_member_initializers):
	Handle an enclosing STATEMENT_LIST.

From-SVN: r166330

	* final.c (compute_alignments): Compute/free loop info all the time.
	* config/rs6000/rs6000.h (LOOP_ALIGN): Define.
	* config/rs6000/rs6000-protos.h (rs6000_loop_align): Declare.
	* config/rs6000/t-rs6000 (rs6000.o): Add cfgloop.h.
	* config/rs6000/rs6000.c (cfgloop.h): Include.
	(can_override_loop_align): New.
	(rs6000_option_override_internal): Set it.
	(TARGET_ASM_LOOP_ALIGN_MAX_SKIP): Define target hook.
	(rs6000_loop_align): New function.
	(rs6000_loop_align_max_skip): Likewise.

	* gcc.target/powerpc/loop_align.c: New.

From-SVN: r166329

        PR bootstrap/44756
        * varasm.c (asm_output_bss): Add ATTRIBUTE_UNUSED to function.

From-SVN: r166328

gcc/:
	PR driver/45703
	* collect2.c (main): Print --help output to stdout.  Do not
	exit right away, so ld --help is appended.  Add empty lines
	to separate output suitably.

From-SVN: r166327

	* gcc.target/powerpc/ppc64-abi-1.c: Skip for Darwin.

	merge from FSF 'apple/trunk' branch.
	* gcc.target/powerpc/darwin64-abi.c: New.

From-SVN: r166326

From-SVN: r166325

re PR tree-optimization/46233 (ICE: verify_flow_info failed: control flow in the middle of basic block 3 with -foptimize-sibling-calls)

	PR tree-optimization/46233
	* ipa-pure-const.c (local_pure_const): Do noreturn discovery
	after calling analyze_function, not before.

	* gcc.dg/pr46233.c: New test.

From-SVN: r166324

	PR target/46234
	* config/rs6000/rs6000.c (rs6000_va_start): Use build_simple_mem_ref
	instead of build_va_arg_indirect_ref.
	* config/spu/spu.c (spu_va_start): Likewise.
	* config/s390/s390.c (s390_va_start): Likewise.

From-SVN: r166323

testsuite:

	* objc.dg/property/property-2.m: Deleted.
	* objc.dg/property/property-3.m: Deleted.

From-SVN: r166322

	* objc-obj-c++-shared/next-mapping.h: Ensure a GNU-compatible nil is
	defined.
	* objc.dg/property/fsf-property-basic.m: XFAIL m64 NeXT run.
	* objc.dg/property/fsf-property-named-ivar.m: Likewise.
	* objc.dg/property/property-1.m: Likewise.
	* objc.dg/property/at-property-6.m: Likewise.
	* objc.dg/property/at-property-7.m: Likewise.
	* objc.dg/property/dotsyntax-1.m: Likewise.
	* objc.dg/property/at-property-8.m: Likewise.
	* objc.dg/property/dotsyntax-2.m: Likewise.
	* objc.dg/property/at-property-9.m: Likewise.
	* objc.dg/property/synthesize-2.m: Likewise.
	* objc.dg/property/at-property-10.m: Likewise.
	* objc.dg/property/at-property-11.m: Likewise.
	* objc.dg/property/at-property-12.m: Likewise.
	* objc.dg/property/at-property-13.m: Likewise.
	* objc.dg/property/fsf-property-method-access.m: Likewise.
	* objc.dg/torture/strings/const-cfstring-1.m: Cater for bogus Darwin10
	linker warning.
	* objc.dg/encode-7-next.m: Use next-mapping.h, ignore deprecation 
	warnings.
	* objc.dg/encode-7-next-64bit.m: Use next-mapping.h, ignore 
	deprecation warnings.  Use Object1 implemenation.
	* objc.dg/demangle-1.m: Provide +initialize.  XFAIL m64 NeXT run.
	* objc/execute/forward-1.m: Move to objc.dg/torture and reduce scope
	to m32 NeXT.
	* objc/execute/forward-1.x: Remove.

From-SVN: r166321

        PR bootstrap/44756
        * function.c (thread_prologue_and_epilogue_insns): Add
        ATTRIBUTE_UNUSED to seq, epilogue_end and entry_edge.

From-SVN: r166320

re PR libstdc++/46303 ('mutex' is not a member of 'std' failures in 30_threads/call_once/constexpr.cc, 30_threads/mutex/cons/constexpr.cc,  30_threads/once_flag/cons/constexpr.cc)

2010-11-04  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/46303
	* testsuite/30_threads/call_once/constexpr.cc: Add missing dg-require
	directives.
	* testsuite/30_threads/mutex/cons/constexpr.cc: Likewise.
	* testsuite/30_threads/once_flag/cons/constexpr.cc: Likewise.

2010-11-04  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/std/ratio (ratio_add, ratio_subtract, ratio_multiply,
	ratio_divide): Declare the data members constexpr.
	* testsuite/20_util/ratio/requirements/constexpr_data.cc: Extend.

From-SVN: r166319

	PR middle-end/46292
	* lower-suberg.c (simplify_subreg_concatn): For VOIDmode elements,
	if the innermode is not vector mode, determine the mode of a subreg
	by using mode_for_size of inner_size.

From-SVN: r166318

	* semantics.c (speculative_access_check): New.
	* cp-tree.h: Declare it.
	* call.c (build_over_call): Use it.
	* class.c (type_has_constexpr_default_constructor): Use locate_ctor.
	* method.c (locate_ctor): Use push/pop_deferring_access_checks.

From-SVN: r166317

re PR tree-optimization/46183 (ICE: in calc_dfs_tree, at dominance.c:396 with -O -fno-dse -fgcse -ftree-pre)

2010-11-04  Richard Guenther  <rguenther@suse.de>

	PR rtl-optimization/46183
	* gcse.c (execute_rtl_cprop): Cleanup the CFG if something changed.
	(execute_rtl_pre): Likewise.
	(execute_rtl_hoist): Likewise.

	* gcc.dg/torture/pr46183.c: New testcase.

From-SVN: r166316

re PR tree-optimization/46068 (ICE: in consider_split, at ipa-split.c:313 with asm goto and __builtin_unreachable ())

2010-11-04  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/46068
	* ipa-split.c (consider_split): Remove gcc_unreachable.

	* gcc.dg/torture/pr46068.c: New testcase.

From-SVN: r166315

2010-11-04  Richard Guenther  <rguenther@suse.de>

	* tree-nested.c (build_addr): Use build_fold_addr_expr.

From-SVN: r166314

        PR bootstrap/44756
        * ifcvt.c (noce_emit_cmove): Add ATTRIBUTE_UNUSED to target and
        unsignedp.
        * reload1.c (set_reload_reg): Add ATTRIBUTE_UNUSED to regno.

From-SVN: r166313

re PR tree-optimization/45991 (ICE: verify_stmts failed: Invalid address operand in in TARGET_MEM_REF. with -fstrict-overflow)

2010-11-04  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/45991
	* gimplify.c (force_gimple_operand_1): Use the provded test
	function in the initial test.

	* gcc.dg/pr45991.c: New testcase.

From-SVN: r166312

re PR tree-optimization/46154 (ICE: failed to reclaim unneeded function with -fipa-cp -fipa-cp-clone)

2010-11-03  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/46154
	* g++.dg/torture/pr46154.C: New testcase.

From-SVN: r166311

From-SVN: r166310

ira.c (validate_equiv_mem): Remove code to avoid invalidation of readonly memory equivalances for...

	* ira.c (validate_equiv_mem): Remove code to avoid invalidation
	of readonly memory equivalances for const/pure calls.

From-SVN: r166309

re PR tree-optimization/45733 (ICE: verify_stmts failed: invalid conversion in gimple call with -fstrict-overflow -ftree-vectorize)

2010-11-04  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/45733
	* tree-vect-stmts.c (reverse_vec_elements): Honor the
	permute builtins function return type.

	* gcc.dg/pr45733.c: New testcase.

From-SVN: r166308

	PR middle-end/44765
	* emit-rtl.c (gen_rtx_REG): Before using PIC_OFFSET_TABLE_REGNUM
	as an index, check it is not INVALID_REGNUM.

From-SVN: r166307

re PR tree-optimization/46213 (gfortran.dg/aliasing_array_result_1.f90 ICE: in vectorizable_reduction, at tree-vect-loop.c:4046 with custom compiler flags)


        PR tree-optimization/46213
        * tree-vect-loop.c (vect_is_simple_reduction_1): Handle 
        MINUS_EXPR only if the first operand is reduction operand.

From-SVN: r166306

2010-11-04  Richard Guenther  <rguenther@suse.de>

	PR testsuite/45702
	* gcc.dg/pr34989-1.c: Move ...
	* gcc.dg/lto/pr34989-1_0.c: ... here.
	* gcc.dg/pr34989-2.c: Move ...
	* gcc.dg/lto/pr34989-1_1.c: ... here.
	* gcc.dg/pr27898.c: Move ...
	* gcc.dg/lto/pr27898_0.c: ... here and ...
	* gcc.dg/lto/pr27898_1.c: ... split.
	* gcc.dg/pr28712.c: Move ...
	* gcc.dg/lto/pr28712_0.c: ... here and ...
	* gcc.dg/lto/pr28712_1.c: ... split ...
	* gcc.dg/lto/pr28712_2.c: ... twice.
	* gcc.dg/pr28706.c: Move ...
	* gcc.dg/lto/pr28706_0.c: ... here and ...
	* gcc.dg/lto/pr28706_1.c: ... split.

From-SVN: r166305

2010-11-04  Richard Guenther  <rguenther@suse.de>
	Richard Henderson  <rth@redhat.com>

	* tree.def (FMA_EXPR): New tree code.
	* expr.c (expand_expr_real_2): Add FMA_EXPR expansion code.
	* gimple.c (gimple_rhs_class_table): FMA_EXPR is a GIMPLE_TERNARY_RHS.
	* tree-cfg.c (verify_gimple_assign_ternary): Verify FMA_EXPR types.
	* tree-inline.c (estimate_operator_cost): Handle FMA_EXPR.
	* gimple-pretty-print.c (dump_ternary_rhs): Likewise.
	* tree-ssa-math-opts.c (convert_mult_to_fma): New function.
	(execute_optimize_widening_mul): Call it.  Reorganize to allow
	dead stmt removal.  Move TODO flags ...
	(pass_optimize_widening_mul): ... here.
	* flag-types.h (enum fp_contract_mode): New enum.
	* common.opt (flag_fp_contract_mode): New variable.
	(-ffp-contract): New option.
	* opts.c (common_handle_option): Handle it.
	* doc/invoke.texi (-ffp-contract): Document.
	* tree.h (fold_fma): Declare.
	* builtins.c (fold_fma): New function.
	(fold_builtin_fma): Likewise.
	(fold_builtin_3): Call it for fma.
	* fold-const.c (fold_ternary_loc): Fold FMA_EXPR.
	* optabs.c (optab_for_tree_code): Handle FMA_EXPR.
	* config/i386/sse.md (fms<mode>4, fnma<mode>, fnms<mode>4):
	New expanders.
	* doc/md.texi (fms<mode>4, fnma<mode>, fnms<mode>4): Document new
	named patterns.
	* genopinit.c (optabs): Initialize fms_optab, fnma_optab and fnms_optab.
	* optabs.h (enum optab_index): Add OTI_fms, OTI_fnma and OTI_fnms.
	(fms_optab, fnma_optab, fnms_optab): New defines.
	* gimplify.c (gimplify_expr): Handle binary truth expressions
	explicitly.  Handle FMA_EXPR.
	* tree-vect-stmts.c (vectorizable_operation): Handle ternary
	operations.

	* gcc.target/i386/fma4-vector-2.c: New testcase.

Co-Authored-By: Richard Henderson <rth@redhat.com>

From-SVN: r166304

2010-11-04  Artjoms Sinkarovs <artyom.shinakroff@gmail.com>
	Richard Guenther  <rguenther@suse.de>

	* passes.c (init_optimization_passes): Move veclower after SSA.
	* tree-vect-generic.c (uniform_vector_p): New function.
	(expand_vector_operations_1): Handle conversion.
	(pass_lower_vector): Update SSA form.

	testsuite/
	* gcc.dg/vec-scal-opt.c: New testcase.
	* gcc.dg/vec-scal-opt1.c: New testcase.
	* gcc.dg/vec-scal-opt2.c: New testcase.

From-SVN: r166303

	* configure.ac (*-*-darwin*): Use mh-darwin for all Darwin variants.
	* configure: Regenerate.
	* config/mh-ppc-darwin: Rename to mh-darwin.

gcc:

	* gcc/configure.ac: Filter -mdynamic-no-pic from CFLAGS when testing for
	plugin capabilities.
	* gcc/configure: Regenerate.

gcc/testsuite:

	* lib/plugin-support.exp (plugin-test-execute): Filter -mdynamic-no-pic from
	plugin build flags on Darwin targets.

From-SVN: r166302

2010-11-03  Benjamin Kosnik  <bkoz@redhat.com>

	* include/std/tuple (tuple): Make default constructors constexpr.
	* testsuite/20_util/tuple/cons/constexpr.cc: Add.

	* testsuite/18_support/initializer_list/requirements/
	constexpr_functions.cc: Add.
	* testsuite/18_support/initializer_list/constexpr.cc: Add.

From-SVN: r166301

2010-11-03  H.J. Lu  <hongjiu.lu@intel.com>

	* gcc.target/i386/pr46285.c: Require split_stack target.

From-SVN: r166298