2016-01-28  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/69466
	* tree-vect-loop-manip.c (slpeel_duplicate_current_defs_from_edges):
	Account for PHIs we couldn't duplicate.

	* gfortran.dg/vect/pr69466.f90: New testcase.

From-SVN: r232916

Fix PR pch/68758.

	PR pch/68758
	* ggc-common.c (gt_pch_save): Use ENABLE_VALGRIND_ANNOTATIONS macro
	instead of ENABLE_VALGRIND_CHECKING.

From-SVN: r232915

From-SVN: r232914

2016-01-28  Thomas Preud'homme  <thomas.preudhomme@arm.com>

    gcc/testsuite/
    * g++.dg/pr67989.C: Remove ARM-specific option.
    * gcc.target/arm/pr67989.C: New file.

From-SVN: r232913

gcc/cp/ChangeLog:

	PR c++/24208
	* parser.c (LEXER_DEBUGGING_ENABLED_P): New macro.
	(cp_lexer_debugging_p): Use it.
	(cp_lexer_start_debugging): Likewise.
	(cp_lexer_stop_debugging): Likewise.

From-SVN: r232912

From-SVN: r232911

	* gcc.dg/torture/pr68264.c: Disable log1p test for glibc < 2.22
	and expm1 test for glibc < 2.11.

From-SVN: r232907

2016-01-27  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/69484
	* invoke.texi: Fix documentation of -Wall with respect to -Wtabs.

From-SVN: r232906

re PR rtl-optimization/69447 (wrong code with -O2 -fno-schedule-insns and mixed 8/16/32/64bit arithmetics @ armv7a)

PR rtl-opt/69447

  * lra-remat.c (subreg_regs): New.
  (dump_candidates_and_remat_bb_data): Dump it.
  (operand_to_remat): Reject if operand in subreg_regs.
  (set_bb_regs): Collect subreg_regs.
  (lra_remat): Init and free subreg_regs.  Compute
  calculate_local_reg_remat_bb_data before create_cands.

From-SVN: r232905

2016-01-27  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/69385
	* trans-expr.c (is_scalar_reallocatable_lhs): Remove the check
	for allocatable components, whilst checking if the symbol is a
	derived or class entity..

2015-01-27  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/69385
	* gfortran.dg/alloc_comp_assign_15.f03: New test.

From-SVN: r232904

__tls_get_addr must be called with 16-byte aligned stack, which is
guaranted by setting preferred_stack_boundary to 128 bits.  There
is no need to change stack_alignment_needed for __tls_get_addr.

	PR target/68986
	* config/i386/i386.c (ix86_update_stack_boundary): Don't
	change stack_alignment_needed for __tls_get_addr call.

From-SVN: r232901

It turns out the 's' output modifier is used in some glibc math code,
and is in an installed header even.  So let's put it back, it is much
less of a burden supporting it a bit longer than to deal with the fallout.
(It is also being fixed for glibc.)


	* config/rs6000/rs6000.c (print_operand): Rollback 's' removal.

From-SVN: r232900

	PR debug/66869
	* c-decl.c (c_write_global_declarations_1): Warn with
	warn_unused_function if static prototype without definition
	is not C_DECL_USED.

	* gcc.dg/pr66869.c: New test.

From-SVN: r232899

From-SVN: r232898

	PR tree-optimization/68398
	* params.def (PARAM_FSM_SCALE_PATH_STMTS): New parameter.
	(PARAM_FSM_SCALE_PATH_BLOCKS): Likewise.
	* tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
	Only count PHIs in the last block in the path.  The others will
	const/copy propagate away.  Add heuristic to allow more irreducible
	subloops to be created when it is likely profitable to do so.

	* tree-ssa-threadbackward.c (fsm_find_control_statement_thread_paths):
	Fix typo in comment.  Use gsi_after_labels and remove the GIMPLE_LABEL
	check from within the loop.  Use gsi_next_nondebug rather than gsi_next.

	PR tree-optimization/68398
	* gcc.dg/tree-ssa/pr66752-3.c: Update expected output.
	* gcc.dg/tree-ssa/ssa-dom-thread-2c.c: Add extra statements on thread
	path to avoid new heuristic allowing more irreducible regions
	* gcc.dg/tree-ssa/ssa-dom-thread-2d.c: Likewise.
	* gcc.dg/tree-ssa/vrp46.c: Likewise.
	* gcc.dg/tree-ssa/ssa-dom-thread-7.c: Update expected output.
	* gcc.dg/tree-ssa/ssa-dom-thread-2g.c: New test.
	* gcc.dg/tree-ssa/ssa-dom-thread-2h.c: Likewise.

From-SVN: r232897

	PR c/68062
	* c-typeck.c (build_binary_op) [EQ_EXPR, GE_EXPR]: Promote operand
	to unsigned, if needed.  Add -Wsign-compare warning.

	* typeck.c (cp_build_binary_op): Promote operand to unsigned, if
	needed.  Add -Wsign-compare warning.

	* c-c++-common/vector-compare-4.c: New test.

From-SVN: r232894

gcc/testsuite/ChangeLog:
	PR preprocessor/69126
	* c-c++-common/pr69126.c: New test case.

libcpp/ChangeLog:
	PR preprocessor/69126
	* directives.c (destringize_and_run): Add expansion_loc param; use
	it when handling unexpanded pragmas to fixup the locations of the
	synthesized tokens.
	(_cpp_do__Pragma): Add expansion_loc param and use it when calling
	destringize_and_run.
	* internal.h (_cpp_do__Pragma): Add expansion_loc param.
	* macro.c (builtin_macro): Pass expansion location of _Pragma to
	_cpp_do__Pragma.

From-SVN: r232893

    compiler: Copy key_path_ when copying a Composite_literal_expression.
    
    Fixes golang/go#10263.
    
    Reviewed-on: https://go-review.googlesource.com/14299
    Reviewed-on: https://go-review.googlesource.com/18988

From-SVN: r232892

re PR lto/69254 (ICE in streamer_get_builtin_tree when using -fsanitize=shift on the compile side only)

	PR lto/69254
	* sanitizer.def: Add BEGIN_SANITIZER_BUILTINS and
	END_SANITIZER_BUILTINS markers using DEF_BUILTIN_STUB.
	* asan.c (DEF_BUILTIN_STUB): Temporarily define.
	* tree-streamer-in.c: Include asan.h.
	(streamer_get_builtin_tree): For builtins in sanitizer
	range call initialize_sanitizer_builtins and retry.

From-SVN: r232891

	* go-lang.c (go_langhook_init_options_struct): Default to
	-fkeep-gc-roots-live.

From-SVN: r232890

gcc/:
	* common.opt (fkeep-gc-roots-live): New undocumented option.
	* tree-ssa-loop-ivopts.c (add_candidate_1): If
	-fkeep-gc-roots-live, skip pointers.
	(add_iv_candidate_for_biv): Handle add_candidate_1 returning
	NULL.

gcc/testsuite/:
	* gcc.dg/tree-ssa/ivopt_5.c: New test.

From-SVN: r232888

2016-01-15  Ryan Burn  <contact@rnburn.com>

        PR cilkplus/69267
        * cilk.c (cilk_gimplify_call_params_in_spawned_fn): Change to use
        gimplify_arg. Removed superfluous post_p argument.
        * c-family.h (cilk_gimplify_call_params_in_spawned_fn): Removed
        superfluous post_p argument.
        * c-gimplify.c (c_gimplify_expr): Likewise.

gcc/cp/ChangeLog:

2016-01-15  Ryan Burn  <contact@rnburn.com>

        PR cilkplus/69267
        * cp-gimplify.c (cilk_cp_gimplify_call_params_in_spawned_fn): Removed
        superfluous post_p argument in call to
        cilk_gimplify_call_params_in_spawned_fn.

gcc/testsuite/ChangeLog:

2016-01-15  Ryan Burn  <contact@rnburn.com>

	PR cilkplus/69267
	* g++.dg/cilk-plus/CK/pr69267.cc: New test.

From-SVN: r232887

2016-01-27  Uros Bizjak  <ubizjak@gmail.com>

	PR target/69512
	* config/i386/i386.md (*zext<mode>_doubleword_and): New pattern.
	(*zext<mode>_doubleword): Disable for TARGET_ZERO_EXTEND_WITH_AND.

testsuite/ChangeLog:

2016-01-27  Uros Bizjak  <ubizjak@gmail.com>

	PR target/69512
	* gcc.target/i386/pr69512.c: New test.

From-SVN: r232885

2016-01-27  Thomas Klausner  <wiz@NetBSD.org>

	PR target/68380
	* configure.ac: NetBSD provides SSP in its C library.
	* configure: Updated.

From-SVN: r232884

	PR ada/69488
	* gnat.dg/sso/*.adb: Robustify dg-output directives.

From-SVN: r232883

	PR c++/69379
	* constexpr.c (cxx_eval_constant_expression): Handle PTRMEM_CSTs
	wrapped in NOP_EXPRs.

	* g++.dg/pr69379.C: New test.

From-SVN: r232882

gcc/cp/ChangeLog:
2016-01-27  Martin Sebor  <msebor@redhat.com>

	PR c++/69317
	* mangle.c (mangle_decl): Reference the correct (saved) version
	of the ABI in -Wabi diagnostics.

gcc/testsuite/ChangeLog:
2016-01-27  Martin Sebor  <msebor@redhat.com>

	PR c++/69317
	* g++.dg/abi/Wabi-2-2.C: New test.
	* g++.dg/abi/Wabi-2-3.C: New test.
	* g++.dg/abi/Wabi-3-2.C: New test.
	* g++.dg/abi/Wabi-3-3.C: New test.

From-SVN: r232881

2015-01-27  Wilco Dijkstra  <wdijkstr@arm.com>

	* MAINTAINERS: (Write After Approval): Add myself.

From-SVN: r232880

	PR libstdc++/69295
	* testsuite/ext/special_functions/hyperg/check_value.cc: Use
	-ffp-contract=off, and -ffloat-store to disable excess precision.
	* testsuite/special_functions/02_assoc_legendre/check_value.cc: Use
	-ffp-contract=off.

From-SVN: r232879

2016-01-27  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/69166
	* tree-vect-loop.c (vect_is_simple_reduction): Always check
	reduction code for commutativity / associativity.

	* gcc.dg/torture/pr69166.c: New testcase.

From-SVN: r232878

2016-01-27  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/69355
	* tree-sra.c (analyze_access_subtree): Correct hole detection when
	total_scalarization fails.

testsuite/
	* gcc.dg/tree-ssa/pr69355.c: New test.

From-SVN: r232877

	PR c++/69496
	* constexpr.c (cxx_eval_array_reference): Evaluate the number of
	elements of the array.

	* g++.dg/ext/constexpr-vla1.C: New test.

From-SVN: r232875

        * config/rs6000/driver-rs6000.c (detect_processor_aix): Add
        power9.

From-SVN: r232873

2016-01-20  Christian Bruel  <christian.bruel@st.com>

	PR target/69245
	* config/arm/arm-c.c (arm_pragma_target_parse): Add comments.
	Move arm_reset_previous_fndecl and set_target_option_current_node in
	the conditional part.  Call save_restore_target_globals.
	* config/arm/arm.c (arm_set_current_function):
	Refactor to better support #pragma target and attribute mix.
	Call save_restore_target_globals.
	* config/arm/arm-protos.h (save_restore_target_globals): New function.

From-SVN: r232872

	* lto-partition.c (add_symbol_to_partition_1): Remove usage
	of hsa_summaries.
	* hsa.c (hsa_summary_t::link_functions): Create IPA_REF_ADDR
	reference for an HSA kernel and its host function.

From-SVN: r232871

	PR tree-optimization/69399
	* wide-int.h (wi::lrshift): For larger precisions, only
	use fast path if shift is known to be < HOST_BITS_PER_WIDE_INT.

	* gcc.dg/torture/pr69399.c: New test.

From-SVN: r232869

gcc/
2016-01-27  Claudiu Zissulescu  <claziss@synopsys.com>

        * config/arc/predicates.md (proper_comparison_operator): Reject
        constant-constant comparison.

From-SVN: r232868

From-SVN: r232867

libiberty/ChangeLog:

2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>

	* d-demangle.c (dlang_call_convention): Handle extern Objective-C
	function calling convention.
	(dlang_call_convention_p): Likewise.
	(dlang_type): Likewise.
	* testsuite/d-demangle-expected: Add coverage tests.

From-SVN: r232864

d-demangle.c (dlang_function_args): Append ',' for variadic functions only if parameters were seen before the...

libiberty/ChangeLog:

2016-01-26  Iain Buclaw  <ibuclaw@gdcproject.org>

	* d-demangle.c (dlang_function_args): Append ',' for variadic functions
	only if parameters were seen before the elipsis symbol.
	* testsuite/d-demangle-expected: Add coverage test for parameter-less
	variadic functions.

From-SVN: r232863