* gcc.dg/vect/vect-over-widen-3-big-array.c: Only look for 1
	vect_recog_over_widening_pattern in dump if we have vect_widen_shift.

From-SVN: r232720

re PR debug/66668 (FAIL: gcc.dg/debug/dwarf2/stacked-qualified-types-3.c scan-assembler-times DIE \\([^\n]*\\) DW_TAG_(?:const|volatile|atomic|restrict)_type 8)

	PR debug/66668
	* dwarf2out.c (add_child_die_after): New function.
	(dwarf_qual_info_t): New type.
	(dwarf_qual_info): New variable.
	(qualified_die_p): New function.
	(modified_type_die): For -fdebug-types-section, ensure
	canonical order of qualifiers.  Put qualified DIEs adjacent
	to the corresponding non-qualified type DIE and search there
	for existing qualified DIEs.

From-SVN: r232719

extend.texi (scalar_storage_order type attribute): Document restriction on type punning and aliasing, and remove future tense.

	* doc/extend.texi (scalar_storage_order type attribute): Document
	restriction on type punning and aliasing, and remove future tense.

From-SVN: r232718

2016-01-21  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR testsuite/67489
	* gcc.target/powerpc/p8vector-builtin-8.c: Remove { target int128
	} from dg-do compile directive, and instead add {
	dg-require-effective-target int128 }.

From-SVN: r232717

From-SVN: r232716

PR c/69405 - [6 Regression] ICE in c_tree_printer on an invalid
    __atomic_fetch_add

gcc/testsuite/ChangeLog:
2016-01-20  Martin Sebor  <msebor@redhat.com>

        PR c/69405
        * gcc.dg/sync-fetch.c: New test.

gcc/c-family/ChangeLog:
2016-01-20  Martin Sebor  <msebor@redhat.com>

        PR c/69405
        * c-common.c (sync_resolve_size): Avoid printing diagnostic about
        an incompatible argument when the argument isn't a valid tree node.

From-SVN: r232713

re PR target/69252 (gcc.dg/vect/vect-iv-9.c FAILs with -Os -fmodulo-sched -fmodulo-sched-allow-regmoves -fsched-pressure)

	PR target/69252
	* modulo-sched.c (optimize_sc):	Allow branch-scheduling to add a new
	first stage.

	PR target/69252
	* gcc.target/powerpc/pr69252.c: New test.

From-SVN: r232712

	PR middle-end/69347
	* tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
	useless call to record_temporary_equivalences.
	* tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
	allocate 10 slots in the bb_path vector and let it grow as needed.
	(fsm_find_control_statement_thread_paths): Similarly for the next_path
	vector.

From-SVN: r232711

2016-01-21  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/65996
	* error.c (gfc_error): Save the state of abort_on_error and set
	it to false for buffered errors to allow normal processing.
	Restore the state before leaving.

2016-01-21  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/65996
	gfortran.dg/pr65996.f90: New test.

From-SVN: r232707

	PR c++/68810
	* g++.dg/cpp0x/constexpr-reinterpret1.C: Fix line number that is                                                                           
	expected to generate an error.

From-SVN: r232705

	PR c++/59281
	* g++.dg/ext/attr-constructor1.C: New.

From-SVN: r232704

	PR c++/65687
	* decl.c (type_is_deprecated): Don't look into a typedef.

From-SVN: r232703

	PR c++/40751
	PR c++/64987
	* decl.c (copy_type_enum): Respect TYPE_USER_ALIGN.

From-SVN: r232702

	PR c++/43407
	* decl.c (start_enum): Add attributes parameter.
	* parser.c (cp_parser_enum_specifier): Pass it.
	* pt.c (lookup_template_class_1): Pass it.
	* cp-tree.h: Adjust.

From-SVN: r232701

From-SVN: r232698

        * configure.ac (gcc_cv_as_powerpc_mfcrf, gcc_cv_as_machine_directive):
        Detangle.

From-SVN: r232697

From-SVN: r232695

	* config/rs6000/aix71.h (ASM_CPU_SPEC): Add entry for Power9.
	* config/rs6000/driver-rs6000.c (struct asm_names): Likewise.

From-SVN: r232694

	* testsuite/libitm.c++/libstdc++-safeexc.C: Not supported on darwin
	or AIX.

From-SVN: r232693

From-SVN: r232690

	PR middle-end/66178
	* expr.c (expand_expr_real_2) [PLUS_EXPR, MINUS_EXPR]: Don't
	drop EXPAND_INITIALIZER.
	* rtl.h (contains_symbolic_reference_p): Declare.
	* rtlanal.c (contains_symbolic_reference_p): New function.
	* simplify-rtx.c (simplify_binary_operation_1): Don't turn
	a subtraction into a NOT if symbolic constants are involved.

testsuite/
	PR middle-end/66178
	gcc.dg/torture/pr66178.c: New test.

From-SVN: r232689

2016-01-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
	    Steven Munroe <munroesj@linux.vnet.ibm.com>
	    Tulio Magno Quites Machado Filho <tulioqm@br.ibm.com>

	* config/rs6000/float128-sed: New files to convert TF names to KF
	names for PowerPC IEEE 128-bit floating point support.
	* config/rs6000/float128-sed-hw: Likewise.

	* config/rs6000/float128-hw.c: New file for ISA 3.0 IEEE 128-bit
	floating point hardware support.

	* config/rs6000/float128-ifunc.c: New file to pick either IEEE
	128-bit floating point software emulation or use ISA 3.0 hardware
	support if it is available.

	* config/rs6000/quad-float128.h: New file to support IEEE 128-bit
	floating point.

	* config/rs6000/extendkftf2-sw.c: New file, convert IEEE 128-bit
	floating point to IBM extended double.

	* config/rs6000/trunctfkf2-sw.c: New file, convert IBM extended
	double to IEEE 128-bit floating point.

	* config/rs6000/t-float128: New Makefile fragments to enable
	building __float128 emulation support.
	* config/rs6000/t-float128-hw: Likewise.

	* config/rs6000/sfp-exceptions.c: New file to provide exception
	support for IEEE 128-bit floating point.

	* config/rs6000/floattikf.c: New files for converting between IEEE
	128-bit floating point and signed/unsigned 128-bit integers.
	* config/rs6000/fixunskfti.c: Likewise.
	* config/rs6000/fixkfti.c: Likewise.
	* config/rs6000/floatuntikf.c: Likewise.

	* config/rs6000/sfp-machine.h (_FP_W_TYPE_SIZE): Use 64-bit types
	when building on 64-bit systems, or when VSX is enabled.
	(_FP_W_TYPE): Likewise.
	(_FP_WS_TYPE): Likewise.
	(_FP_I_TYPE): Likewise.
	(TItype): Define on 64-bit systems.
	(UTItype): Likewise.
	(TI_BITS): Likewise.
	(_FP_MUL_MEAT_D): Add support for using 64-bit types.
	(_FP_MUL_MEAT_Q): Likewise.
	(_FP_DIV_MEAT_D): Likewise.
	(_FP_DIV_MEAT_Q): Likewise.
	(_FP_NANFRAC_D): Likewise.
	(_FP_NANFRAC_Q): Likewise.
	(ISA_BIT): Add exception support if we are being compiled on a
	machine with hardware floating point support to build the IEEE
	128-bit emulation functions.
	(FP_EX_INVALID): Likewise.
	(FP_EX_OVERFLOW): Likewise.
	(FP_EX_UNDERFLOW): Likewise.
	(FP_EX_DIVZERO): Likewise.
	(FP_EX_INEXACT): Likewise.
	(FP_EX_ALL): Likewise.
	(__sfp_handle_exceptions): Likewise.
	(FP_HANDLE_EXCEPTIONS): Likewise.
	(FP_RND_NEAREST): Likewise.
	(FP_RND_ZERO): Likewise.
	(FP_RND_PINF): Likewise.
	(FP_RND_MINF): Likewise.
	(FP_RND_MASK): Likewise.
	(_FP_DECL_EX): Likewise.
	(FP_INIT_ROUNDMODE): Likewise.
	(FP_ROUNDMODE): Likewise.

	* libgcc/config.host (powerpc*-*-linux*): If compiler can compile
	VSX code, enable IEEE 128-bit floating point.  If the compiler can
	compile IEEE 128-bit floating point code with ISA 3.0 IEEE 128-bit
	floating point hardware instructions and it supports declaring
	functions with the ifunc attribute, enable ifunc functions to
	switch between software and hardware support.
	* configure.ac (powerpc*-*-linux*): Likewise.
	* configure: Regenerate.



Co-Authored-By: Steven Munroe <munroesj@linux.vnet.ibm.com>
Co-Authored-By: Tulio Magno Quites Machado Filho <tulioqm@br.ibm.com>

From-SVN: r232685

re PR target/63354 (gcc -pg -mprofile-kernel creates unused stack frames on leaf functions on ppc64le)

[gcc]

2016-01-21  Anton Blanchard  <anton@samba.org>
	    Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR target/63354
	* config/rs6000/linux64.h (TARGET_KEEP_LEAF_WHEN_PROFILED): New
	#define.
	* config/rs6000/rs6000.c (rs6000_keep_leaf_when_profiled): New
	function.

[gcc/testsuite]

2016-01-21  Anton Blanchard  <anton@samba.org>
	    Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR target/63354
	* gcc.target/powerpc/pr63354.c:  New test.


Co-Authored-By: Bill Schmidt <wschmidt@linux.vnet.ibm.com>

From-SVN: r232684

This optimization is enabled with  microblaze target flag mxl-prefetch.

From-SVN: r232683

From-SVN: r232682

gcc/

2016-01-21  Yuri Rumyantsev  <ysrumyan@gmail.com>

	PR rtl-optimization/68920
	* ifcvt.c (cond_move_process_if_block): Limit number of conditional
	moves.

From-SVN: r232680

2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/68990
	* lra-coalesce.c (lra_coalesce): Invalidate value for the result
	pseudo instead of inheritance ones.

2016-01-21  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/68990
	* gcc.target/i386/pr68990: New.

From-SVN: r232679

From-SVN: r232675

	PR target/69129
	PR target/69012
	* config/mips/mips.c (mips_compute_frame_info): Initialise
	args_size and hard_frame_pointer_offset fields of the frame
	structure before calling mips_global_pointer.

	PR target/69129
	* gcc.target/mips/pr69129.c: New.

From-SVN: r232674

* configure.ac (gcc_cv_as_dwloc): Test support for debug frame section
label reference.
* configure: Regenerate.

From-SVN: r232673

	PR libstdc++/69406
	* include/bits/cpp_type_traits.h: Ensure C++ language linkage.
	* include/ext/type_traits.h: Likewise.
	* testsuite/17_intro/headers/c++2011/linkage.cc: Check autoconf macros
	for presence of C headers.
	* testsuite/ext/type_traits/add_unsigned_floating_neg.cc: Adjust
	dg-error line number.
	* testsuite/ext/type_traits/add_unsigned_integer_neg.cc: Likewise.
	* testsuite/ext/type_traits/remove_unsigned_floating_neg.cc: Likewise.
	* testsuite/ext/type_traits/remove_unsigned_integer_neg.cc: Likewise.

From-SVN: r232672

2016-01-21  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/58046
	* g++.dg/cpp0x/pr58046.C: New.

From-SVN: r232671

2016-01-21  Richard Biener  <rguenther@suse.de>

	* graphite-optimize-isl.c (get_schedule_map): Fix typo.

From-SVN: r232670

It seems at some point the .size hook was hijacked to emit some
machine-specific directives, and the actual .size directive was
forgotten.  This caused problems for split-stack support, since
linker couldn't scan the function body for non-split-stack calls.

gcc/ChangeLog:

	* config/s390/s390.c (s390_asm_declare_function_size): Add code
	to actually emit the .size directive.

From-SVN: r232669

re PR target/69187 (ICE: Aborted when native compiling neon code with __builtin_neon_vmlals_lanev4hi)

	PR target/69187
	PR target/65624
	* config/arm/arm-builtins.c (arm_expand_neon_builtin): Increase
	args array size by one to avoid buffer overflow.

	* gcc.target/arm/pr69187.c: New test.

From-SVN: r232668

Previously, .rodata was hardcoded.  For C++ vague linkage functions,
this resulted in needlessly duplicated literals.  With the new split
stack support, this resulted in link errors, due to .rodata containing
relocations to the discarded text sections.

gcc/ChangeLog:

	* config/s390/s390.md (pool_section_start): Use switch_to_section
	to select proper read-only data section instead of hardcoding .rodata.
	(pool_section_end): Use switch_to_section to match the above.

From-SVN: r232667

2016-01-21  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/69378
	* tree-ssa-sccvn.c (dominated_by_p_w_unex): New function.
	(set_ssa_val_to): Use it for dominance checks taking into
	account not executable edges.

From-SVN: r232666

	PR c++/69355
	* tree-dfa.c (get_ref_base_and_extent): Use GET_MODE_BITSIZE (mode)
	for bitsize instead of GET_MODE_PRECISION (mode).

	* g++.dg/torture/pr69355.C: New test.

From-SVN: r232663

PR c/52291 - __sync_fetch_and_add and friends poorly specified for pointer
    types

2016-01-20  Martin Sebor  <msebor@redhat.com>

	* extend.texi (__sync Builtins): Clarify the semantics of
	__sync_fetch_and_OP built-ins on pointers.
	(__atomic Builtins): Same.

From-SVN: r232662

we used to fail using an iv from a different loop.

	* graphite-isl-ast-to-gimple.c (enum phi_node_kind): New.
	(class translate_isl_ast_to_gimple): Use phi_node_kind instead of bool.
	(is_valid_rename): Same.
	(translate_isl_ast_to_gimple::get_rename): Same.
	(translate_isl_ast_to_gimple::rename_all_uses): Same.
	(translate_isl_ast_to_gimple::rename_uses): Same.
	(get_new_name): Check for close_phi nodes.
	(copy_loop_phi_args): Use phi_node_kind.
	(translate_isl_ast_to_gimple::copy_loop_close_phi_args): Same.
	(translate_isl_ast_to_gimple::copy_cond_phi_args): Same.

gcc/testsuite

	* gfortran.dg/graphite/interchange-3.f90: Adjust pattern.

Co-Authored-By: Sebastian Pop <s.pop@samsung.com>

From-SVN: r232660