2015-07-03  Ville Voutilainen  <ville.voutilainen@gmail.com>

	Implement std::experimental::fundamentals_v2::propagate_const.
	* include/Makefile.am: Add propagate_const.
	* include/Makefile.in: Regenerate.
	* include/experimental/propagate_const: New.
	* testsuite/experimental/propagate_const/assignment/copy.cc: Likewise.
	* testsuite/experimental/propagate_const/assignment/move.cc: Likewise.
	* testsuite/experimental/propagate_const/assignment/move_neg.cc:
	Likewise.
	* testsuite/experimental/propagate_const/cons/copy.cc: Likewise.
	* testsuite/experimental/propagate_const/cons/default.cc: Likewise.
	* testsuite/experimental/propagate_const/cons/move.cc: Likewise.
	* testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
	* testsuite/experimental/propagate_const/hash/1.cc: Likewise.
	* testsuite/experimental/propagate_const/observers/1.cc: Likewise.
	* testsuite/experimental/propagate_const/relops/1.cc: Likewise.
	* testsuite/experimental/propagate_const/requirements1.cc: Likewise.
	* testsuite/experimental/propagate_const/requirements2.cc: Likewise.
	* testsuite/experimental/propagate_const/requirements3.cc: Likewise.
	* testsuite/experimental/propagate_const/requirements4.cc: Likewise.
	* testsuite/experimental/propagate_const/requirements5.cc: Likewise.
	* testsuite/experimental/propagate_const/swap/1.cc: Likewise.
	* testsuite/experimental/propagate_const/typedefs.cc: Likewise.

From-SVN: r225379

2015-07-03  Richard Biener  <rguenther@suse.de>

	* genmatch.c (commutative_tree_code, commutative_ternary_tree_code):
	Copy from tree.c
	(dt_operand::gen_gimple_expr): After valueizing operands
	re-canonicalize operand order for commutative tree codes.

From-SVN: r225378

From-SVN: r225377

x86intrin.h has useful intrinsics for instructions for IA MCU.  This
patch adds __iamcu__ check to x86intrin.h and ia32intrin.h.

gcc/

	PR target/66746.
	* config/i386/ia32intrin.h (__crc32b): Don't define if __iamcu__
	is defined.
	(__crc32w): Likewise.
	(__crc32d): Likewise.
	(__rdpmc): Likewise.
	(__rdtscp): Likewise.
	(_rdpmc): Likewise.
	(_rdtscp): Likewise.
	* config/i386/x86intrin.h: Only include ia32intrin.h if __iamcu__
	is defined.

gcc/testsuite/

	PR target/66746.
	* gcc.target/i386/pr66746.c: New file.

From-SVN: r225376

2015-07-03  Richard Biener  <rguenther@suse.de>

	* fold-const.c (fold_mathfn_compare): Remove.
	(fold_inf_compare): Likewise.
	(fold_comparison): Move floating point comparison simplifications...
	* match.pd: ... to patterns here.  Introduce simple_comparisons
	operator list and use it for patterns formerly in fold_comparison.

From-SVN: r225375

2015-07-03  Christophe Lyon  <christophe.lyon@linaro.org>

	* gcc.target/aarch64/advsimd-intrinsics/vget_lane.c: New testcase.

From-SVN: r225374

	* Fix component of my last ChangeLog entries.

From-SVN: r225371

gcc/

	PR tree-optimization/66119
	* toplev.c (process_options): Don't set up default values for
	the sra_max_scalarization_size_{speed,size} parameters.
	* tree-sra (analyze_all_variable_accesses): If no values
	have been set for the sra_max_scalarization_size_{speed,size}
	parameters, call get_move_ratio to get target defaults.

gcc/testsuite/

	PR tree-optimization/66119
	* g++.dg/opt/pr66119.C: New.

From-SVN: r225369

2015-07-03  Richard Biener  <rguenther@suse.de>

	* fold-const.c (fold_binary_loc): Move (T)ptr & CST folding...
	* match.pd: ... here.

From-SVN: r225368

	PR target/37072
	* doc/invoke.texi (i386 and x86-64 Options): -mno-fancy-math-387
	is not actually the default on FreeBSD.

From-SVN: r225367

re PR c++/66743 (ICE: tree check: expected record_type or union_type or qual_union_type, have underlying_type in for_each_template_parm_r, at cp/pt.c:8234)

	PR c++/66743
	* pt.c (for_each_template_parm_r) [UNDERLYING_TYPE]: Use
	TYPE_VALUES_RAW rather than TYPE_FIELDS.

From-SVN: r225365

From-SVN: r225364

	* pt.c (type_dependent_expression_p): Handle expressions
	that refer to variable templates.

From-SVN: r225361

From-SVN: r225358

	* acinclude.m4 (GLIBCXX_DEFAULT_ABI): Change valid arguments for
	--with-default-libstdcxx-abi
	* configure: Regenerate.
	* doc/xml/manual/configure.xml: Document valid arguments.

From-SVN: r225356

2015-07-02  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/52846
	* decl.c (get_proc_name): Make a partially populated interface
	symbol to carry the characteristics of a module procedure and
	its result.
	(variable_decl): Declarations of dummies or results in the
	abreviated form of module procedure is an error.
	(gfc_match_import): IMPORT is not permitted in the interface
	declaration of module procedures.
	(match_attr_spec): Submodule variables have implicit save
	attribute for F2008 onwards.
	(gfc_match_prefix): Add 'module' as the a prefix and set the
	module_procedure attribute.
	(gfc_match_formal_arglist): For a module procedure keep the
	interface formal_arglist from the interface, match new the
	formal arguments and then compare the number and names of each.
	(gfc_match_procedure): Add case COMP_SUBMODULE.
	(gfc_match_function_decl, gfc_match_subroutine_decl): Set the
	module_procedure attribute.
	(gfc_match_entry, gfc_match_end):  Add case COMP_SUBMODULE. If
	attr abr_modproc_decl is set, switch the message accordingly
	for subroutines and functions.
	(gfc_match_submod_proc): New function to match the abbreviated
	style of submodule declaration.
	* gfortran.h : Add ST_SUBMODULE and ST_END_SUBMODULE. Add the
	attribute bits 'used_in_submodule' and 'module_procedure'. Add
	the bit field 'abr_modproc_decl' to gfc_symbol. Add prototypes
	for 'gfc_copy_dummy_sym', 'gfc_check_dummy_characteristics' and
	'gfc_check_result_characteristics'.
	* interface.c : Add the prefix 'gfc_' to the names of functions
	'check_dummy(result)_characteristics' and all their references.
	* match.h : Add prototype for 'gfc_match_submod_proc' and
	'gfc_match_submodule'.
	(check_sym_interfaces): A module procedure is not an error in
	a module procedure statment in a generic interface.
	* module.c (gfc_match_submodule): New function. Add handling
	for the 'module_procedure' attribute bit.
	(gfc_use_module): Make sure that a submodule cannot use itself.
	* parse.c (decode_statement): Set attr has_'import_set' for
	the interface declaration of module procedures. Handle a match
	occurring in 'gfc_match_submod_proc' and a match for
	'submodule'.
	(gfc_enclosing_unit): Include the state COMP_SUBMODULE.
	(gfc_ascii_statement): Add END SUBMODULE.
	(accept_statement): Add ST_SUBMODULE.
	(parse_spec): Disallow statement functions in a submodule
	specification part.
	(parse_contained): Add ST_END_SUBMODULE and COMP_SUBMODULE
	twice each.
	(get_modproc_result): Copy the result symbol of the interface.
	(parse_progunit): Call it.
	(set_syms_host_assoc): Make symbols from the ancestor module
	and submodules use associated, as required by the standard and
	set all private components public. Module procedures 'external'
	attribute bit is reset and the 'used_in_submodule' bit is set.
	(parse_module): If this is a submodule, use the ancestor module
	and submodules. Traverse the namespace, calling
	'set_syms_host_assoc'. Add ST_END_SUBMODULE and COMP_SUBMODULE.
	* parse.h : Add COMP_SUBMODULE.
	* primary.c (match_variable): Add COMP_SUBMODULE.
	* resolve.c (compare_fsyms): New function to compare the dummy
	characteristics of a module procedure with its interface.
	(resolve_fl_procedure): Compare the procedure, result and dummy
	characteristics of a module_procedure with its interface, using
	'compare_fsyms' for the dummy arguments.
	* symbol.c (gfc_add_procedure): Suppress the check for existing
	procedures in the case of a module procedure.
	(gfc_add_explicit_interface): Skip checks that must fail for
	module procedures.
	(gfc_add_type): Allow a new type to be added to module
	procedures, their results or their dummy arguments.
	(gfc_copy_dummy_sym): New function to generate new dummy args
	and copy the characteristics from the interface.
	* trans-decl.c (gfc_sym_mangled_function_id): Module procedures
	must always have their names mangled as if they are symbols
	coming from a declaration in a module.
	(gfc_get_symbol_decl): Add 'used_in_submodule' to the assert.
	(gfc_finish_var_decl): Symbols with the 'used_in_submodule' bit
	set are set DECL_EXTERNAL as if they were use associated.

2015-07-02  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/52846
	* gfortran.dg/submodule_1.f90: New test
	* gfortran.dg/submodule_2.f90: New test
	* gfortran.dg/submodule_3.f90: New test
	* gfortran.dg/submodule_4.f90: New test
	* gfortran.dg/submodule_5.f90: New test
	* gfortran.dg/submodule_6.f90: New test
	* gfortran.dg/submodule_7.f90: New test

From-SVN: r225354

/libcpp
2015-07-02  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/53690
	* charset.c (_cpp_valid_ucn): Add cppchar_t * parameter and change
	return type to bool.  Fix encoding of \u0000 and \U00000000 in C++.
	(convert_ucn): Adjust call.
	* lex.c (forms_identifier_p): Likewise.
	* internal.h (_cpp_valid_ucn): Adjust declaration.

/gcc/testsuite
2015-07-02  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/53690
	* g++.dg/cpp/pr53690.C: New.

From-SVN: r225353

[gcc]

2015-07-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* config/rs6000/rs6000-builtin.def (CMPGE_16QI): New built-in
	definition.
	(CMPGE_8HI): Likewise.
	(CMPGE_4SI): Likewise.
	(CMPGE_2DI): Likewise.
	(CMPGE_U16QI): Likewise.
	(CMPGE_U8HI): Likewise.
	(CMPGE_U4SI): Likewise.
	(CMPGE_U2DI): Likewise.
	(CMPLE_16QI): Likewise.
	(CMPLE_8HI): Likewise.
	(CMPLE_4SI): Likewise.
	(CMPLE_2DI): Likewise.
	(CMPLE_U16QI): Likewise.
	(CMPLE_U8HI): Likewise.
	(CMPLE_U4SI): Likewise.
	(CMPLE_U2DI): Likewise.
	* config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
	overloads for ALTIVEC_BUILTIN_VEC_CMPGE and
	ALTIVEC_BUILTIN_VEC_CMPLE.
	* config/rs6000/vector.md (vector_ge<mode>): Restrict to
	floating-point vector modes.
	(vector_nlt<mode>): New define_expand.
	(vector_nltu<mode>): Likewise.
	(vector_ngt<mode>): Likewise.
	(vector_ngtu<mode>): Likewise.

[gcc/testsuite]

2015-07-02  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* gcc.target/powerpc/vec-cmp.c: New test.

From-SVN: r225351

2015-07-02  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/56520
	* match.c (gfc_match_name): Special case unary minus and plus.

2015-07-02  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/56520
	* gfortran.dg/pr56520.f90: New test.

From-SVN: r225349

2015-07-02  Steven G. Kargl   <kargl@gcc.gnu.org>

	PR fortran/66545
	* primary.c (match_sym_complex_part): Do not dereference NULL pointer.

2015-07-02  Steven G. Kargl   <kargl@gcc.gnu.org>

	PR fortran/66545
	* gfortran.dg/pr66545_1.f90: New test.
	* gfortran.dg/pr66545_2.f90: New test.

From-SVN: r225348

	PR rtl-optimization/66706
	* combine.c (make_compound_operation): If an AND of SUBREG of
	LSHIFTRT does not simplify, see if just the AND of SUBREG does.

From-SVN: r225344

gcc/po:
	* gcc.pot: Regenerate.

libcpp/po:
	* cpplib.pot: Regenerate.

From-SVN: r225313

gcc/:

	* tree-pass.h (make_pass_ch_vect): New.
	* passes.def: Add pass_ch_vect just before pass_if_conversion.

	* tree-ssa-loop-ch.c (ch_base, pass_ch_vect, pass_data_ch_vect,
	pass_ch::process_loop_p, pass_ch_vect::process_loop_p,
	make_pass_ch_vect): New.
	(pass_ch): Extend ch_base.

	(pass_ch::execute): Move all but loop_optimizer_init/finalize to...
	(ch_base::copy_headers): ...here.

gcc/testsuite/:

	* gcc.dg/vect/vect-strided-a-u16-i4.c (main1): Narrow scope of x,y,z,w.
	* gcc.dg/vect/vect-ifcvt-11.c: New testcase.

From-SVN: r225311

2015-07-02  Richard Biener  <rguenther@suse.de>

	* builtins.c (get_pointer_alignment_1): Handle POINTER_PLUS_EXPR.
	* fold-const.c (get_pointer_modulus_and_residue): Remove.
	(fold_binary_loc): Implement (T)ptr & CST in terms of
	get_pointer_alignment_1.
	* tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop):
	Make sure to build the alignment test on a SSA name without
	final alignment info valid only after the prologue.

From-SVN: r225310

	* config/cris/cris.md ("epilogue"): Remove condition.
	("prologue"): Ditto.

From-SVN: r225308

2015-07-02  Richard Biener  <rguenther@suse.de>

	PR testsuite/66719
	* gcc.dg/vect/bb-slp-32.c: Re-add XFAIL for targets not supporting
	unaligned loads.

From-SVN: r225303

	* configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
	* configure: Regenerate.
	* config.h.in: Ditto.

From-SVN: r225302

	* testsuite/libgomp.c++/pr66702-1.C: Require
	vect_simd_clones effective target.
	* testsuite/libgomp.c++/pr66702-2.C: Ditto.

From-SVN: r225301

tree-ssa-dom.c (build_and_record_new_cond): Add optional parameter to record a condition that is false.

2015-07-02  Richard Biener  <rguenther@suse.de>

	* tree-ssa-dom.c (build_and_record_new_cond): Add optional
	parameter to record a condition that is false.
	(record_conditions): When recording an extra NE_EXPR that is
	true also record a EQ_EXPR that is false.

	* gcc.dg/tree-ssa/ssa-dom-cse-4.c: New testcase.

From-SVN: r225299

	* libsupc++/guard.cc (__test_and_acquire): Use __p after __atomic_load
	to avoid unused variable warning.
	(__set_and_release): Use __p after __atomic_store to avoid unused
	variable warning.

From-SVN: r225298

	* gcc.target/i386/mpx/pr66568.c (exit): New prototype.

From-SVN: r225296

	* tree-ssa-loop-ivopts.c (struct ivopts_data): New field iv_obstack.
	(tree_ssa_iv_optimize_init): Initialize iv_obstack.
	(alloc_iv): New parameter.  Allocate struct iv using obstack_alloc.
	(set_iv, find_interesting_uses_address, add_candidate_1): New
	argument to alloc_iv.
	(find_interesting_uses_op, find_interesting_uses_cond): Don't
	duplicate struct iv.
	(free_loop_data): Don't free struct iv explicitly.
	(tree_ssa_iv_optimize_finalize): Free iv_obstack.

From-SVN: r225293

From-SVN: r225286

* config/s390/tpf.h (LIBSTDCXX): Change to CPP1.
(LIB_SPEC): Add.
(SUPPORTS_DISCRIMINATOR): Define.

From-SVN: r225278

gcc/c-family/
	* c-common.h (D_CXX11): Rename from D_CXX0X.
	(RID_FIRST_CXX11, RID_LAST_CXX11): Rename from *_CXX0X.
	* c-common.c: Adjust.
gcc/cp/
	* lex.c (init_reswords): s/CXX0X/CXX11/.
	* parser.c (cp_lexer_get_preprocessor_token): Likewise.

From-SVN: r225273

gcc/c-family/
	* c-opts.c (c_common_post_options): Default to C++14.
gcc/testsuite/
	* lib/target-supports.exp (cxx_default): Set to C++14.

From-SVN: r225272

gcc/c-family/
	* c-opts.c (c_common_post_options): Highest ABI level is now 10.
gcc/cp/
	* mangle.c (write_CV_qualifiers_for_type, write_nested_name):
	Attribute mangling is now -fabi-version=10.

From-SVN: r225271

	PR c++/65945
	* decl.c (cxx_init_decl_processing): Set TYPE_ALIGN of nullptr_t.
	* class.c (layout_nonempty_base_or_field): Warn if that affects
	the offset of a field.

From-SVN: r225270

linux-atomic.c (__kernel_cmpxchg): Reorder arguments to better match light-weight syscall argument order.

	* config/pa/linux-atomic.c (__kernel_cmpxchg): Reorder arguments to
	better match light-weight syscall argument order.
	(__kernel_cmpxchg2): Likewise.
	Adjust callers.

From-SVN: r225267

2015-07-01  Tom de Vries  <tom@codesourcery.com>

	PR testsuite/66723
	* gcc.target/i386/vararg-loc.c: Use scan-rtl-dump instead of
	scan-assembler.

From-SVN: r225266